lldpd-1.0.18/0000755000076400001440000000000014550773325012151 5ustar00bernatuserslldpd-1.0.18/include/0000755000076400001440000000000014532716672013576 5ustar00bernatuserslldpd-1.0.18/include/linux/0000755000076400001440000000000014213121371014713 5ustar00bernatuserslldpd-1.0.18/include/linux/if.h0000644000076400001440000002507514213121371015473 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Global definitions for the INET interface module. * * Version: @(#)if.h 1.0.2 04/18/93 * * Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1982-1988 * Ross Biro * Fred N. van Kempen, * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IF_H #define _LINUX_IF_H #include /* for compatibility with glibc */ #include /* for "__kernel_caddr_t" et al */ #include /* for "struct sockaddr" et al */ /* for "__user" et al */ #include /* for struct sockaddr. */ #if __UAPI_DEF_IF_IFNAMSIZ #define IFNAMSIZ 16 #endif /* __UAPI_DEF_IF_IFNAMSIZ */ #define IFALIASZ 256 #include /* For glibc compatibility. An empty enum does not compile. */ #if __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO != 0 || \ __UAPI_DEF_IF_NET_DEVICE_FLAGS != 0 /** * enum net_device_flags - &struct net_device flags * * These are the &struct net_device flags, they can be set by drivers, the * kernel and some can be triggered by userspace. Userspace can query and * set these flags using userspace utilities but there is also a sysfs * entry available for all dev flags which can be queried and set. These flags * are shared for all types of net_devices. The sysfs entries are available * via /sys/class/net//flags. Flags which can be toggled through sysfs * are annotated below, note that only a few flags can be toggled and some * other flags are always preserved from the original net_device flags * even if you try to set them via sysfs. Flags which are always preserved * are kept under the flag grouping @IFF_VOLATILE. Flags which are __volatile__ * are annotated below as such. * * You should have a pretty good reason to be extending these flags. * * @IFF_UP: interface is up. Can be toggled through sysfs. * @IFF_BROADCAST: broadcast address valid. Volatile. * @IFF_DEBUG: turn on debugging. Can be toggled through sysfs. * @IFF_LOOPBACK: is a loopback net. Volatile. * @IFF_POINTOPOINT: interface is has p-p link. Volatile. * @IFF_NOTRAILERS: avoid use of trailers. Can be toggled through sysfs. * Volatile. * @IFF_RUNNING: interface RFC2863 OPER_UP. Volatile. * @IFF_NOARP: no ARP protocol. Can be toggled through sysfs. Volatile. * @IFF_PROMISC: receive all packets. Can be toggled through sysfs. * @IFF_ALLMULTI: receive all multicast packets. Can be toggled through * sysfs. * @IFF_MASTER: master of a load balancer. Volatile. * @IFF_SLAVE: slave of a load balancer. Volatile. * @IFF_MULTICAST: Supports multicast. Can be toggled through sysfs. * @IFF_PORTSEL: can set media type. Can be toggled through sysfs. * @IFF_AUTOMEDIA: auto media select active. Can be toggled through sysfs. * @IFF_DYNAMIC: dialup device with changing addresses. Can be toggled * through sysfs. * @IFF_LOWER_UP: driver signals L1 up. Volatile. * @IFF_DORMANT: driver signals dormant. Volatile. * @IFF_ECHO: echo sent packets. Volatile. */ enum net_device_flags { /* for compatibility with glibc net/if.h */ #if __UAPI_DEF_IF_NET_DEVICE_FLAGS IFF_UP = 1<<0, /* sysfs */ IFF_BROADCAST = 1<<1, /* __volatile__ */ IFF_DEBUG = 1<<2, /* sysfs */ IFF_LOOPBACK = 1<<3, /* __volatile__ */ IFF_POINTOPOINT = 1<<4, /* __volatile__ */ IFF_NOTRAILERS = 1<<5, /* sysfs */ IFF_RUNNING = 1<<6, /* __volatile__ */ IFF_NOARP = 1<<7, /* sysfs */ IFF_PROMISC = 1<<8, /* sysfs */ IFF_ALLMULTI = 1<<9, /* sysfs */ IFF_MASTER = 1<<10, /* __volatile__ */ IFF_SLAVE = 1<<11, /* __volatile__ */ IFF_MULTICAST = 1<<12, /* sysfs */ IFF_PORTSEL = 1<<13, /* sysfs */ IFF_AUTOMEDIA = 1<<14, /* sysfs */ IFF_DYNAMIC = 1<<15, /* sysfs */ #endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS */ #if __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO IFF_LOWER_UP = 1<<16, /* __volatile__ */ IFF_DORMANT = 1<<17, /* __volatile__ */ IFF_ECHO = 1<<18, /* __volatile__ */ #endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO */ }; #endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO != 0 || __UAPI_DEF_IF_NET_DEVICE_FLAGS != 0 */ /* for compatibility with glibc net/if.h */ #if __UAPI_DEF_IF_NET_DEVICE_FLAGS #define IFF_UP IFF_UP #define IFF_BROADCAST IFF_BROADCAST #define IFF_DEBUG IFF_DEBUG #define IFF_LOOPBACK IFF_LOOPBACK #define IFF_POINTOPOINT IFF_POINTOPOINT #define IFF_NOTRAILERS IFF_NOTRAILERS #define IFF_RUNNING IFF_RUNNING #define IFF_NOARP IFF_NOARP #define IFF_PROMISC IFF_PROMISC #define IFF_ALLMULTI IFF_ALLMULTI #define IFF_MASTER IFF_MASTER #define IFF_SLAVE IFF_SLAVE #define IFF_MULTICAST IFF_MULTICAST #define IFF_PORTSEL IFF_PORTSEL #define IFF_AUTOMEDIA IFF_AUTOMEDIA #define IFF_DYNAMIC IFF_DYNAMIC #endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS */ #if __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO #define IFF_LOWER_UP IFF_LOWER_UP #define IFF_DORMANT IFF_DORMANT #define IFF_ECHO IFF_ECHO #endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO */ #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\ IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT) #define IF_GET_IFACE 0x0001 /* for querying only */ #define IF_GET_PROTO 0x0002 /* For definitions see hdlc.h */ #define IF_IFACE_V35 0x1000 /* V.35 serial interface */ #define IF_IFACE_V24 0x1001 /* V.24 serial interface */ #define IF_IFACE_X21 0x1002 /* X.21 serial interface */ #define IF_IFACE_T1 0x1003 /* T1 telco serial interface */ #define IF_IFACE_E1 0x1004 /* E1 telco serial interface */ #define IF_IFACE_SYNC_SERIAL 0x1005 /* can't be set by software */ #define IF_IFACE_X21D 0x1006 /* X.21 Dual Clocking (FarSite) */ /* For definitions see hdlc.h */ #define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */ #define IF_PROTO_PPP 0x2001 /* PPP protocol */ #define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */ #define IF_PROTO_FR 0x2003 /* Frame Relay protocol */ #define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */ #define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */ #define IF_PROTO_X25 0x2006 /* X.25 */ #define IF_PROTO_HDLC_ETH 0x2007 /* raw HDLC, Ethernet emulation */ #define IF_PROTO_FR_ADD_ETH_PVC 0x2008 /* Create FR Ethernet-bridged PVC */ #define IF_PROTO_FR_DEL_ETH_PVC 0x2009 /* Delete FR Ethernet-bridged PVC */ #define IF_PROTO_FR_PVC 0x200A /* for reading PVC status */ #define IF_PROTO_FR_ETH_PVC 0x200B #define IF_PROTO_RAW 0x200C /* RAW Socket */ /* RFC 2863 operational status */ enum { IF_OPER_UNKNOWN, IF_OPER_NOTPRESENT, IF_OPER_DOWN, IF_OPER_LOWERLAYERDOWN, IF_OPER_TESTING, IF_OPER_DORMANT, IF_OPER_UP, }; /* link modes */ enum { IF_LINK_MODE_DEFAULT, IF_LINK_MODE_DORMANT, /* limit upward transition to dormant */ }; /* * Device mapping structure. I'd just gone off and designed a * beautiful scheme using only loadable modules with arguments * for driver options and along come the PCMCIA people 8) * * Ah well. The get() side of this is good for WDSETUP, and it'll * be handy for debugging things. The set side is fine for now and * being very small might be worth keeping for clean configuration. */ /* for compatibility with glibc net/if.h */ #if __UAPI_DEF_IF_IFMAP struct ifmap { unsigned long mem_start; unsigned long mem_end; unsigned short base_addr; unsigned char irq; unsigned char dma; unsigned char port; /* 3 bytes spare */ }; #endif /* __UAPI_DEF_IF_IFMAP */ struct if_settings { unsigned int type; /* Type of physical device or protocol */ unsigned int size; /* Size of the data allocated by the caller */ union { /* {atm/eth/dsl}_settings anyone ? */ raw_hdlc_proto *raw_hdlc; cisco_proto *cisco; fr_proto *fr; fr_proto_pvc *fr_pvc; fr_proto_pvc_info *fr_pvc_info; /* interface settings */ sync_serial_settings *sync; te1_settings *te1; } ifs_ifsu; }; /* * Interface request structure used for socket * ioctl's. All interface ioctl's must have parameter * definitions which begin with ifr_name. The * remainder may be interface specific. */ /* for compatibility with glibc net/if.h */ #if __UAPI_DEF_IF_IFREQ struct ifreq { #define IFHWADDRLEN 6 union { char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ } ifr_ifrn; union { struct sockaddr ifru_addr; struct sockaddr ifru_dstaddr; struct sockaddr ifru_broadaddr; struct sockaddr ifru_netmask; struct sockaddr ifru_hwaddr; short ifru_flags; int ifru_ivalue; int ifru_mtu; struct ifmap ifru_map; char ifru_slave[IFNAMSIZ]; /* Just fits the size */ char ifru_newname[IFNAMSIZ]; void * ifru_data; struct if_settings ifru_settings; } ifr_ifru; }; #endif /* __UAPI_DEF_IF_IFREQ */ #define ifr_name ifr_ifrn.ifrn_name /* interface name */ #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ #define ifr_addr ifr_ifru.ifru_addr /* address */ #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */ #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ #define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */ #define ifr_flags ifr_ifru.ifru_flags /* flags */ #define ifr_metric ifr_ifru.ifru_ivalue /* metric */ #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ #define ifr_map ifr_ifru.ifru_map /* device map */ #define ifr_slave ifr_ifru.ifru_slave /* slave device */ #define ifr_data ifr_ifru.ifru_data /* for use by interface */ #define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */ #define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */ #define ifr_qlen ifr_ifru.ifru_ivalue /* Queue length */ #define ifr_newname ifr_ifru.ifru_newname /* New name */ #define ifr_settings ifr_ifru.ifru_settings /* Device/proto settings*/ /* * Structure used in SIOCGIFCONF request. * Used to retrieve interface configuration * for machine (useful for programs which * must know all networks accessible). */ /* for compatibility with glibc net/if.h */ #if __UAPI_DEF_IF_IFCONF struct ifconf { int ifc_len; /* size of buffer */ union { char *ifcu_buf; struct ifreq *ifcu_req; } ifc_ifcu; }; #endif /* __UAPI_DEF_IF_IFCONF */ #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ #define ifc_req ifc_ifcu.ifcu_req /* array of structures */ #endif /* _LINUX_IF_H */ lldpd-1.0.18/include/linux/sockios.h0000644000076400001440000001373214213121371016544 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Definitions of the socket-level I/O control calls. * * Version: @(#)sockios.h 1.0.2 03/09/93 * * Authors: Ross Biro * Fred N. van Kempen, * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_SOCKIOS_H #define _LINUX_SOCKIOS_H #include /* Linux-specific socket ioctls */ #define SIOCINQ FIONREAD #define SIOCOUTQ TIOCOUTQ /* output queue size (not sent + not acked) */ #define SOCK_IOC_TYPE 0x89 /* Routing table calls. */ #define SIOCADDRT 0x890B /* add routing table entry */ #define SIOCDELRT 0x890C /* delete routing table entry */ #define SIOCRTMSG 0x890D /* unused */ /* Socket configuration controls. */ #define SIOCGIFNAME 0x8910 /* get iface name */ #define SIOCSIFLINK 0x8911 /* set iface channel */ #define SIOCGIFCONF 0x8912 /* get iface list */ #define SIOCGIFFLAGS 0x8913 /* get flags */ #define SIOCSIFFLAGS 0x8914 /* set flags */ #define SIOCGIFADDR 0x8915 /* get PA address */ #define SIOCSIFADDR 0x8916 /* set PA address */ #define SIOCGIFDSTADDR 0x8917 /* get remote PA address */ #define SIOCSIFDSTADDR 0x8918 /* set remote PA address */ #define SIOCGIFBRDADDR 0x8919 /* get broadcast PA address */ #define SIOCSIFBRDADDR 0x891a /* set broadcast PA address */ #define SIOCGIFNETMASK 0x891b /* get network PA mask */ #define SIOCSIFNETMASK 0x891c /* set network PA mask */ #define SIOCGIFMETRIC 0x891d /* get metric */ #define SIOCSIFMETRIC 0x891e /* set metric */ #define SIOCGIFMEM 0x891f /* get memory address (BSD) */ #define SIOCSIFMEM 0x8920 /* set memory address (BSD) */ #define SIOCGIFMTU 0x8921 /* get MTU size */ #define SIOCSIFMTU 0x8922 /* set MTU size */ #define SIOCSIFNAME 0x8923 /* set interface name */ #define SIOCSIFHWADDR 0x8924 /* set hardware address */ #define SIOCGIFENCAP 0x8925 /* get/set encapsulations */ #define SIOCSIFENCAP 0x8926 #define SIOCGIFHWADDR 0x8927 /* Get hardware address */ #define SIOCGIFSLAVE 0x8929 /* Driver slaving support */ #define SIOCSIFSLAVE 0x8930 #define SIOCADDMULTI 0x8931 /* Multicast address lists */ #define SIOCDELMULTI 0x8932 #define SIOCGIFINDEX 0x8933 /* name -> if_index mapping */ #define SIOGIFINDEX SIOCGIFINDEX /* misprint compatibility :-) */ #define SIOCSIFPFLAGS 0x8934 /* set/get extended flags set */ #define SIOCGIFPFLAGS 0x8935 #define SIOCDIFADDR 0x8936 /* delete PA address */ #define SIOCSIFHWBROADCAST 0x8937 /* set hardware broadcast addr */ #define SIOCGIFCOUNT 0x8938 /* get number of devices */ #define SIOCGIFBR 0x8940 /* Bridging support */ #define SIOCSIFBR 0x8941 /* Set bridging options */ #define SIOCGIFTXQLEN 0x8942 /* Get the tx queue length */ #define SIOCSIFTXQLEN 0x8943 /* Set the tx queue length */ /* SIOCGIFDIVERT was: 0x8944 Frame diversion support */ /* SIOCSIFDIVERT was: 0x8945 Set frame diversion options */ #define SIOCETHTOOL 0x8946 /* Ethtool interface */ #define SIOCGMIIPHY 0x8947 /* Get address of MII PHY in use. */ #define SIOCGMIIREG 0x8948 /* Read MII PHY register. */ #define SIOCSMIIREG 0x8949 /* Write MII PHY register. */ #define SIOCWANDEV 0x894A /* get/set netdev parameters */ #define SIOCOUTQNSD 0x894B /* output queue size (not sent only) */ #define SIOCGSKNS 0x894C /* get socket network namespace */ /* ARP cache control calls. */ /* 0x8950 - 0x8952 * obsolete calls, don't re-use */ #define SIOCDARP 0x8953 /* delete ARP table entry */ #define SIOCGARP 0x8954 /* get ARP table entry */ #define SIOCSARP 0x8955 /* set ARP table entry */ /* RARP cache control calls. */ #define SIOCDRARP 0x8960 /* delete RARP table entry */ #define SIOCGRARP 0x8961 /* get RARP table entry */ #define SIOCSRARP 0x8962 /* set RARP table entry */ /* Driver configuration calls */ #define SIOCGIFMAP 0x8970 /* Get device parameters */ #define SIOCSIFMAP 0x8971 /* Set device parameters */ /* DLCI configuration calls */ #define SIOCADDDLCI 0x8980 /* Create new DLCI device */ #define SIOCDELDLCI 0x8981 /* Delete DLCI device */ #define SIOCGIFVLAN 0x8982 /* 802.1Q VLAN support */ #define SIOCSIFVLAN 0x8983 /* Set 802.1Q VLAN options */ /* bonding calls */ #define SIOCBONDENSLAVE 0x8990 /* enslave a device to the bond */ #define SIOCBONDRELEASE 0x8991 /* release a slave from the bond*/ #define SIOCBONDSETHWADDR 0x8992 /* set the hw addr of the bond */ #define SIOCBONDSLAVEINFOQUERY 0x8993 /* rtn info about slave state */ #define SIOCBONDINFOQUERY 0x8994 /* rtn info about bond state */ #define SIOCBONDCHANGEACTIVE 0x8995 /* update to a new active slave */ /* bridge calls */ #define SIOCBRADDBR 0x89a0 /* create new bridge device */ #define SIOCBRDELBR 0x89a1 /* remove bridge device */ #define SIOCBRADDIF 0x89a2 /* add interface to bridge */ #define SIOCBRDELIF 0x89a3 /* remove interface from bridge */ /* hardware time stamping: parameters in linux/net_tstamp.h */ #define SIOCSHWTSTAMP 0x89b0 /* set and get config */ #define SIOCGHWTSTAMP 0x89b1 /* get config */ /* Device private ioctl calls */ /* * These 16 ioctls are available to devices via the do_ioctl() device * vector. Each device should include this file and redefine these names * as their own. Because these are device dependent it is a good idea * _NOT_ to issue them to random objects and hope. * * THESE IOCTLS ARE _DEPRECATED_ AND WILL DISAPPEAR IN 2.5.X -DaveM */ #define SIOCDEVPRIVATE 0x89F0 /* to 89FF */ /* * These 16 ioctl calls are protocol private */ #define SIOCPROTOPRIVATE 0x89E0 /* to 89EF */ #endif /* _LINUX_SOCKIOS_H */ lldpd-1.0.18/include/linux/if_packet.h0000644000076400001440000001735714213121371017026 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __LINUX_IF_PACKET_H #define __LINUX_IF_PACKET_H #include struct sockaddr_pkt { unsigned short spkt_family; unsigned char spkt_device[14]; __be16 spkt_protocol; }; struct sockaddr_ll { unsigned short sll_family; __be16 sll_protocol; int sll_ifindex; unsigned short sll_hatype; unsigned char sll_pkttype; unsigned char sll_halen; unsigned char sll_addr[8]; }; /* Packet types */ #define PACKET_HOST 0 /* To us */ #define PACKET_BROADCAST 1 /* To all */ #define PACKET_MULTICAST 2 /* To group */ #define PACKET_OTHERHOST 3 /* To someone else */ #define PACKET_OUTGOING 4 /* Outgoing of any type */ #define PACKET_LOOPBACK 5 /* MC/BRD frame looped back */ #define PACKET_USER 6 /* To user space */ #define PACKET_KERNEL 7 /* To kernel space */ /* Unused, PACKET_FASTROUTE and PACKET_LOOPBACK are invisible to user space */ #define PACKET_FASTROUTE 6 /* Fastrouted frame */ /* Packet socket options */ #define PACKET_ADD_MEMBERSHIP 1 #define PACKET_DROP_MEMBERSHIP 2 #define PACKET_RECV_OUTPUT 3 /* Value 4 is still used by obsolete turbo-packet. */ #define PACKET_RX_RING 5 #define PACKET_STATISTICS 6 #define PACKET_COPY_THRESH 7 #define PACKET_AUXDATA 8 #define PACKET_ORIGDEV 9 #define PACKET_VERSION 10 #define PACKET_HDRLEN 11 #define PACKET_RESERVE 12 #define PACKET_TX_RING 13 #define PACKET_LOSS 14 #define PACKET_VNET_HDR 15 #define PACKET_TX_TIMESTAMP 16 #define PACKET_TIMESTAMP 17 #define PACKET_FANOUT 18 #define PACKET_TX_HAS_OFF 19 #define PACKET_QDISC_BYPASS 20 #define PACKET_ROLLOVER_STATS 21 #define PACKET_FANOUT_DATA 22 #define PACKET_FANOUT_HASH 0 #define PACKET_FANOUT_LB 1 #define PACKET_FANOUT_CPU 2 #define PACKET_FANOUT_ROLLOVER 3 #define PACKET_FANOUT_RND 4 #define PACKET_FANOUT_QM 5 #define PACKET_FANOUT_CBPF 6 #define PACKET_FANOUT_EBPF 7 #define PACKET_FANOUT_FLAG_ROLLOVER 0x1000 #define PACKET_FANOUT_FLAG_UNIQUEID 0x2000 #define PACKET_FANOUT_FLAG_DEFRAG 0x8000 struct tpacket_stats { unsigned int tp_packets; unsigned int tp_drops; }; struct tpacket_stats_v3 { unsigned int tp_packets; unsigned int tp_drops; unsigned int tp_freeze_q_cnt; }; struct tpacket_rollover_stats { __aligned_u64 tp_all; __aligned_u64 tp_huge; __aligned_u64 tp_failed; }; union tpacket_stats_u { struct tpacket_stats stats1; struct tpacket_stats_v3 stats3; }; struct tpacket_auxdata { __u32 tp_status; __u32 tp_len; __u32 tp_snaplen; __u16 tp_mac; __u16 tp_net; __u16 tp_vlan_tci; __u16 tp_vlan_tpid; }; /* Rx ring - header status */ #define TP_STATUS_KERNEL 0 #define TP_STATUS_USER (1 << 0) #define TP_STATUS_COPY (1 << 1) #define TP_STATUS_LOSING (1 << 2) #define TP_STATUS_CSUMNOTREADY (1 << 3) #define TP_STATUS_VLAN_VALID (1 << 4) /* auxdata has valid tp_vlan_tci */ #define TP_STATUS_BLK_TMO (1 << 5) #define TP_STATUS_VLAN_TPID_VALID (1 << 6) /* auxdata has valid tp_vlan_tpid */ #define TP_STATUS_CSUM_VALID (1 << 7) /* Tx ring - header status */ #define TP_STATUS_AVAILABLE 0 #define TP_STATUS_SEND_REQUEST (1 << 0) #define TP_STATUS_SENDING (1 << 1) #define TP_STATUS_WRONG_FORMAT (1 << 2) /* Rx and Tx ring - header status */ #define TP_STATUS_TS_SOFTWARE (1 << 29) #define TP_STATUS_TS_SYS_HARDWARE (1 << 30) /* deprecated, never set */ #define TP_STATUS_TS_RAW_HARDWARE (1 << 31) /* Rx ring - feature request bits */ #define TP_FT_REQ_FILL_RXHASH 0x1 struct tpacket_hdr { unsigned long tp_status; unsigned int tp_len; unsigned int tp_snaplen; unsigned short tp_mac; unsigned short tp_net; unsigned int tp_sec; unsigned int tp_usec; }; #define TPACKET_ALIGNMENT 16 #define TPACKET_ALIGN(x) (((x)+TPACKET_ALIGNMENT-1)&~(TPACKET_ALIGNMENT-1)) #define TPACKET_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket_hdr)) + sizeof(struct sockaddr_ll)) struct tpacket2_hdr { __u32 tp_status; __u32 tp_len; __u32 tp_snaplen; __u16 tp_mac; __u16 tp_net; __u32 tp_sec; __u32 tp_nsec; __u16 tp_vlan_tci; __u16 tp_vlan_tpid; __u8 tp_padding[4]; }; struct tpacket_hdr_variant1 { __u32 tp_rxhash; __u32 tp_vlan_tci; __u16 tp_vlan_tpid; __u16 tp_padding; }; struct tpacket3_hdr { __u32 tp_next_offset; __u32 tp_sec; __u32 tp_nsec; __u32 tp_snaplen; __u32 tp_len; __u32 tp_status; __u16 tp_mac; __u16 tp_net; /* pkt_hdr variants */ union { struct tpacket_hdr_variant1 hv1; }; __u8 tp_padding[8]; }; struct tpacket_bd_ts { unsigned int ts_sec; union { unsigned int ts_usec; unsigned int ts_nsec; }; }; struct tpacket_hdr_v1 { __u32 block_status; __u32 num_pkts; __u32 offset_to_first_pkt; /* Number of valid bytes (including padding) * blk_len <= tp_block_size */ __u32 blk_len; /* * Quite a few uses of sequence number: * 1. Make sure cache flush etc worked. * Well, one can argue - why not use the increasing ts below? * But look at 2. below first. * 2. When you pass around blocks to other user space decoders, * you can see which blk[s] is[are] outstanding etc. * 3. Validate kernel code. */ __aligned_u64 seq_num; /* * ts_last_pkt: * * Case 1. Block has 'N'(N >=1) packets and TMO'd(timed out) * ts_last_pkt == 'time-stamp of last packet' and NOT the * time when the timer fired and the block was closed. * By providing the ts of the last packet we can absolutely * guarantee that time-stamp wise, the first packet in the * next block will never precede the last packet of the * previous block. * Case 2. Block has zero packets and TMO'd * ts_last_pkt = time when the timer fired and the block * was closed. * Case 3. Block has 'N' packets and NO TMO. * ts_last_pkt = time-stamp of the last pkt in the block. * * ts_first_pkt: * Is always the time-stamp when the block was opened. * Case a) ZERO packets * No packets to deal with but atleast you know the * time-interval of this block. * Case b) Non-zero packets * Use the ts of the first packet in the block. * */ struct tpacket_bd_ts ts_first_pkt, ts_last_pkt; }; union tpacket_bd_header_u { struct tpacket_hdr_v1 bh1; }; struct tpacket_block_desc { __u32 version; __u32 offset_to_priv; union tpacket_bd_header_u hdr; }; #define TPACKET2_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket2_hdr)) + sizeof(struct sockaddr_ll)) #define TPACKET3_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket3_hdr)) + sizeof(struct sockaddr_ll)) enum tpacket_versions { TPACKET_V1, TPACKET_V2, TPACKET_V3 }; /* Frame structure: - Start. Frame must be aligned to TPACKET_ALIGNMENT=16 - struct tpacket_hdr - pad to TPACKET_ALIGNMENT=16 - struct sockaddr_ll - Gap, chosen so that packet data (Start+tp_net) alignes to TPACKET_ALIGNMENT=16 - Start+tp_mac: [ Optional MAC header ] - Start+tp_net: Packet data, aligned to TPACKET_ALIGNMENT=16. - Pad to align to TPACKET_ALIGNMENT=16 */ struct tpacket_req { unsigned int tp_block_size; /* Minimal size of contiguous block */ unsigned int tp_block_nr; /* Number of blocks */ unsigned int tp_frame_size; /* Size of frame */ unsigned int tp_frame_nr; /* Total number of frames */ }; struct tpacket_req3 { unsigned int tp_block_size; /* Minimal size of contiguous block */ unsigned int tp_block_nr; /* Number of blocks */ unsigned int tp_frame_size; /* Size of frame */ unsigned int tp_frame_nr; /* Total number of frames */ unsigned int tp_retire_blk_tov; /* timeout in msecs */ unsigned int tp_sizeof_priv; /* offset to private data area */ unsigned int tp_feature_req_word; }; union tpacket_req_u { struct tpacket_req req; struct tpacket_req3 req3; }; struct packet_mreq { int mr_ifindex; unsigned short mr_type; unsigned short mr_alen; unsigned char mr_address[8]; }; #define PACKET_MR_MULTICAST 0 #define PACKET_MR_PROMISC 1 #define PACKET_MR_ALLMULTI 2 #define PACKET_MR_UNICAST 3 #endif lldpd-1.0.18/include/linux/filter.h0000644000076400001440000000425014213121371016352 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Linux Socket Filter Data Structures */ #ifndef __LINUX_FILTER_H__ #define __LINUX_FILTER_H__ #include #include /* * Current version of the filter code architecture. */ #define BPF_MAJOR_VERSION 1 #define BPF_MINOR_VERSION 1 /* * Try and keep these values and structures similar to BSD, especially * the BPF code definitions which need to match so you can share filters */ struct sock_filter { /* Filter block */ __u16 code; /* Actual filter code */ __u8 jt; /* Jump true */ __u8 jf; /* Jump false */ __u32 k; /* Generic multiuse field */ }; struct sock_fprog { /* Required for SO_ATTACH_FILTER. */ unsigned short len; /* Number of filter blocks */ struct sock_filter *filter; }; /* ret - BPF_K and BPF_X also apply */ #define BPF_RVAL(code) ((code) & 0x18) #define BPF_A 0x10 /* misc */ #define BPF_MISCOP(code) ((code) & 0xf8) #define BPF_TAX 0x00 #define BPF_TXA 0x80 /* * Macros for filter block array initializers. */ #ifndef BPF_STMT #define BPF_STMT(code, k) { (unsigned short)(code), 0, 0, k } #endif #ifndef BPF_JUMP #define BPF_JUMP(code, k, jt, jf) { (unsigned short)(code), jt, jf, k } #endif /* * Number of scratch memory words for: BPF_ST and BPF_STX */ #define BPF_MEMWORDS 16 /* RATIONALE. Negative offsets are invalid in BPF. We use them to reference ancillary data. Unlike introduction new instructions, it does not break existing compilers/optimizers. */ #define SKF_AD_OFF (-0x1000) #define SKF_AD_PROTOCOL 0 #define SKF_AD_PKTTYPE 4 #define SKF_AD_IFINDEX 8 #define SKF_AD_NLATTR 12 #define SKF_AD_NLATTR_NEST 16 #define SKF_AD_MARK 20 #define SKF_AD_QUEUE 24 #define SKF_AD_HATYPE 28 #define SKF_AD_RXHASH 32 #define SKF_AD_CPU 36 #define SKF_AD_ALU_XOR_X 40 #define SKF_AD_VLAN_TAG 44 #define SKF_AD_VLAN_TAG_PRESENT 48 #define SKF_AD_PAY_OFFSET 52 #define SKF_AD_RANDOM 56 #define SKF_AD_VLAN_TPID 60 #define SKF_AD_MAX 64 #define SKF_NET_OFF (-0x100000) #define SKF_LL_OFF (-0x200000) #define BPF_NET_OFF SKF_NET_OFF #define BPF_LL_OFF SKF_LL_OFF #endif /* __LINUX_FILTER_H__ */ lldpd-1.0.18/include/linux/if_ether.h0000644000076400001440000001760114213121371016656 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Global definitions for the Ethernet IEEE 802.3 interface. * * Version: @(#)if_ether.h 1.0.1a 02/08/94 * * Author: Fred N. van Kempen, * Donald Becker, * Alan Cox, * Steve Whitehouse, * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IF_ETHER_H #define _LINUX_IF_ETHER_H #include /* * IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble * and FCS/CRC (frame check sequence). */ #define ETH_ALEN 6 /* Octets in one ethernet addr */ #define ETH_TLEN 2 /* Octets in ethernet type field */ #define ETH_HLEN 14 /* Total octets in header. */ #define ETH_ZLEN 60 /* Min. octets in frame sans FCS */ #define ETH_DATA_LEN 1500 /* Max. octets in payload */ #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ #define ETH_FCS_LEN 4 /* Octets in the FCS */ #define ETH_MIN_MTU 68 /* Min IPv4 MTU per RFC791 */ #define ETH_MAX_MTU 0xFFFFU /* 65535, same as IP_MAX_MTU */ /* * These are the defined Ethernet Protocol ID's. */ #define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */ #define ETH_P_PUP 0x0200 /* Xerox PUP packet */ #define ETH_P_PUPAT 0x0201 /* Xerox PUP Addr Trans packet */ #define ETH_P_TSN 0x22F0 /* TSN (IEEE 1722) packet */ #define ETH_P_ERSPAN2 0x22EB /* ERSPAN version 2 (type III) */ #define ETH_P_IP 0x0800 /* Internet Protocol packet */ #define ETH_P_X25 0x0805 /* CCITT X.25 */ #define ETH_P_ARP 0x0806 /* Address Resolution packet */ #define ETH_P_BPQ 0x08FF /* G8BPQ AX.25 Ethernet Packet [ NOT AN OFFICIALLY REGISTERED ID ] */ #define ETH_P_IEEEPUP 0x0a00 /* Xerox IEEE802.3 PUP packet */ #define ETH_P_IEEEPUPAT 0x0a01 /* Xerox IEEE802.3 PUP Addr Trans packet */ #define ETH_P_BATMAN 0x4305 /* B.A.T.M.A.N.-Advanced packet [ NOT AN OFFICIALLY REGISTERED ID ] */ #define ETH_P_DEC 0x6000 /* DEC Assigned proto */ #define ETH_P_DNA_DL 0x6001 /* DEC DNA Dump/Load */ #define ETH_P_DNA_RC 0x6002 /* DEC DNA Remote Console */ #define ETH_P_DNA_RT 0x6003 /* DEC DNA Routing */ #define ETH_P_LAT 0x6004 /* DEC LAT */ #define ETH_P_DIAG 0x6005 /* DEC Diagnostics */ #define ETH_P_CUST 0x6006 /* DEC Customer use */ #define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */ #define ETH_P_TEB 0x6558 /* Trans Ether Bridging */ #define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */ #define ETH_P_ATALK 0x809B /* Appletalk DDP */ #define ETH_P_AARP 0x80F3 /* Appletalk AARP */ #define ETH_P_8021Q 0x8100 /* 802.1Q VLAN Extended Header */ #define ETH_P_ERSPAN 0x88BE /* ERSPAN type II */ #define ETH_P_IPX 0x8137 /* IPX over DIX */ #define ETH_P_IPV6 0x86DD /* IPv6 over bluebook */ #define ETH_P_PAUSE 0x8808 /* IEEE Pause frames. See 802.3 31B */ #define ETH_P_SLOW 0x8809 /* Slow Protocol. See 802.3ad 43B */ #define ETH_P_WCCP 0x883E /* Web-cache coordination protocol * defined in draft-wilson-wrec-wccp-v2-00.txt */ #define ETH_P_MPLS_UC 0x8847 /* MPLS Unicast traffic */ #define ETH_P_MPLS_MC 0x8848 /* MPLS Multicast traffic */ #define ETH_P_ATMMPOA 0x884c /* MultiProtocol Over ATM */ #define ETH_P_PPP_DISC 0x8863 /* PPPoE discovery messages */ #define ETH_P_PPP_SES 0x8864 /* PPPoE session messages */ #define ETH_P_LINK_CTL 0x886c /* HPNA, wlan link local tunnel */ #define ETH_P_ATMFATE 0x8884 /* Frame-based ATM Transport * over Ethernet */ #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ #define ETH_P_AOE 0x88A2 /* ATA over Ethernet */ #define ETH_P_8021AD 0x88A8 /* 802.1ad Service VLAN */ #define ETH_P_802_EX1 0x88B5 /* 802.1 Local Experimental 1. */ #define ETH_P_PREAUTH 0x88C7 /* 802.11 Preauthentication */ #define ETH_P_TIPC 0x88CA /* TIPC */ #define ETH_P_MACSEC 0x88E5 /* 802.1ae MACsec */ #define ETH_P_8021AH 0x88E7 /* 802.1ah Backbone Service Tag */ #define ETH_P_MVRP 0x88F5 /* 802.1Q MVRP */ #define ETH_P_1588 0x88F7 /* IEEE 1588 Timesync */ #define ETH_P_NCSI 0x88F8 /* NCSI protocol */ #define ETH_P_PRP 0x88FB /* IEC 62439-3 PRP/HSRv0 */ #define ETH_P_FCOE 0x8906 /* Fibre Channel over Ethernet */ #define ETH_P_IBOE 0x8915 /* Infiniband over Ethernet */ #define ETH_P_TDLS 0x890D /* TDLS */ #define ETH_P_FIP 0x8914 /* FCoE Initialization Protocol */ #define ETH_P_80221 0x8917 /* IEEE 802.21 Media Independent Handover Protocol */ #define ETH_P_HSR 0x892F /* IEC 62439-3 HSRv1 */ #define ETH_P_NSH 0x894F /* Network Service Header */ #define ETH_P_LOOPBACK 0x9000 /* Ethernet loopback packet, per IEEE 802.3 */ #define ETH_P_QINQ1 0x9100 /* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */ #define ETH_P_QINQ2 0x9200 /* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */ #define ETH_P_QINQ3 0x9300 /* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */ #define ETH_P_EDSA 0xDADA /* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */ #define ETH_P_IFE 0xED3E /* ForCES inter-FE LFB type */ #define ETH_P_AF_IUCV 0xFBFB /* IBM af_iucv [ NOT AN OFFICIALLY REGISTERED ID ] */ #define ETH_P_802_3_MIN 0x0600 /* If the value in the ethernet type is less than this value * then the frame is Ethernet II. Else it is 802.3 */ /* * Non DIX types. Won't clash for 1500 types. */ #define ETH_P_802_3 0x0001 /* Dummy type for 802.3 frames */ #define ETH_P_AX25 0x0002 /* Dummy protocol id for AX.25 */ #define ETH_P_ALL 0x0003 /* Every packet (be careful!!!) */ #define ETH_P_802_2 0x0004 /* 802.2 frames */ #define ETH_P_SNAP 0x0005 /* Internal only */ #define ETH_P_DDCMP 0x0006 /* DEC DDCMP: Internal only */ #define ETH_P_WAN_PPP 0x0007 /* Dummy type for WAN PPP frames*/ #define ETH_P_PPP_MP 0x0008 /* Dummy type for PPP MP frames */ #define ETH_P_LOCALTALK 0x0009 /* Localtalk pseudo type */ #define ETH_P_CAN 0x000C /* CAN: Controller Area Network */ #define ETH_P_CANFD 0x000D /* CANFD: CAN flexible data rate*/ #define ETH_P_PPPTALK 0x0010 /* Dummy type for Atalk over PPP*/ #define ETH_P_TR_802_2 0x0011 /* 802.2 frames */ #define ETH_P_MOBITEX 0x0015 /* Mobitex (kaz@cafe.net) */ #define ETH_P_CONTROL 0x0016 /* Card specific control frames */ #define ETH_P_IRDA 0x0017 /* Linux-IrDA */ #define ETH_P_ECONET 0x0018 /* Acorn Econet */ #define ETH_P_HDLC 0x0019 /* HDLC frames */ #define ETH_P_ARCNET 0x001A /* 1A for ArcNet :-) */ #define ETH_P_DSA 0x001B /* Distributed Switch Arch. */ #define ETH_P_TRAILER 0x001C /* Trailer switch tagging */ #define ETH_P_PHONET 0x00F5 /* Nokia Phonet frames */ #define ETH_P_IEEE802154 0x00F6 /* IEEE802.15.4 frame */ #define ETH_P_CAIF 0x00F7 /* ST-Ericsson CAIF protocol */ #define ETH_P_XDSA 0x00F8 /* Multiplexed DSA protocol */ #define ETH_P_MAP 0x00F9 /* Qualcomm multiplexing and * aggregation protocol */ /* * This is an Ethernet frame header. */ /* allow libcs like musl to deactivate this, glibc does not implement this. */ #ifndef __UAPI_DEF_ETHHDR #define __UAPI_DEF_ETHHDR 1 #endif #if __UAPI_DEF_ETHHDR struct ethhdr { unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ unsigned char h_source[ETH_ALEN]; /* source ether addr */ __be16 h_proto; /* packet type ID field */ } __attribute__((packed)); #endif #endif /* _LINUX_IF_ETHER_H */ lldpd-1.0.18/include/linux/netlink.h0000644000076400001440000001715014213121371016534 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __LINUX_NETLINK_H #define __LINUX_NETLINK_H #include #include /* for __kernel_sa_family_t */ #include #define NETLINK_ROUTE 0 /* Routing/device hook */ #define NETLINK_UNUSED 1 /* Unused number */ #define NETLINK_USERSOCK 2 /* Reserved for user mode socket protocols */ #define NETLINK_FIREWALL 3 /* Unused number, formerly ip_queue */ #define NETLINK_SOCK_DIAG 4 /* socket monitoring */ #define NETLINK_NFLOG 5 /* netfilter/iptables ULOG */ #define NETLINK_XFRM 6 /* ipsec */ #define NETLINK_SELINUX 7 /* SELinux event notifications */ #define NETLINK_ISCSI 8 /* Open-iSCSI */ #define NETLINK_AUDIT 9 /* auditing */ #define NETLINK_FIB_LOOKUP 10 #define NETLINK_CONNECTOR 11 #define NETLINK_NETFILTER 12 /* netfilter subsystem */ #define NETLINK_IP6_FW 13 #define NETLINK_DNRTMSG 14 /* DECnet routing messages */ #define NETLINK_KOBJECT_UEVENT 15 /* Kernel messages to userspace */ #define NETLINK_GENERIC 16 /* leave room for NETLINK_DM (DM Events) */ #define NETLINK_SCSITRANSPORT 18 /* SCSI Transports */ #define NETLINK_ECRYPTFS 19 #define NETLINK_RDMA 20 #define NETLINK_CRYPTO 21 /* Crypto layer */ #define NETLINK_SMC 22 /* SMC monitoring */ #define NETLINK_INET_DIAG NETLINK_SOCK_DIAG #define MAX_LINKS 32 struct sockaddr_nl { unsigned short nl_family; /* AF_NETLINK */ unsigned short nl_pad; /* zero */ __u32 nl_pid; /* port ID */ __u32 nl_groups; /* multicast groups mask */ }; struct nlmsghdr { __u32 nlmsg_len; /* Length of message including header */ __u16 nlmsg_type; /* Message content */ __u16 nlmsg_flags; /* Additional flags */ __u32 nlmsg_seq; /* Sequence number */ __u32 nlmsg_pid; /* Sending process port ID */ }; /* Flags values */ #define NLM_F_REQUEST 0x01 /* It is request message. */ #define NLM_F_MULTI 0x02 /* Multipart message, terminated by NLMSG_DONE */ #define NLM_F_ACK 0x04 /* Reply with ack, with zero or error code */ #define NLM_F_ECHO 0x08 /* Echo this request */ #define NLM_F_DUMP_INTR 0x10 /* Dump was inconsistent due to sequence change */ #define NLM_F_DUMP_FILTERED 0x20 /* Dump was filtered as requested */ /* Modifiers to GET request */ #define NLM_F_ROOT 0x100 /* specify tree root */ #define NLM_F_MATCH 0x200 /* return all matching */ #define NLM_F_ATOMIC 0x400 /* atomic GET */ #define NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATCH) /* Modifiers to NEW request */ #define NLM_F_REPLACE 0x100 /* Override existing */ #define NLM_F_EXCL 0x200 /* Do not touch, if it exists */ #define NLM_F_CREATE 0x400 /* Create, if it does not exist */ #define NLM_F_APPEND 0x800 /* Add to end of list */ /* Modifiers to DELETE request */ #define NLM_F_NONREC 0x100 /* Do not delete recursively */ /* Flags for ACK message */ #define NLM_F_CAPPED 0x100 /* request was capped */ #define NLM_F_ACK_TLVS 0x200 /* extended ACK TVLs were included */ /* 4.4BSD ADD NLM_F_CREATE|NLM_F_EXCL 4.4BSD CHANGE NLM_F_REPLACE True CHANGE NLM_F_CREATE|NLM_F_REPLACE Append NLM_F_CREATE Check NLM_F_EXCL */ #define NLMSG_ALIGNTO 4U #define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) ) #define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr))) #define NLMSG_LENGTH(len) ((len) + NLMSG_HDRLEN) #define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len)) #define NLMSG_DATA(nlh) ((void*)(((char*)nlh) + NLMSG_LENGTH(0))) #define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \ (struct nlmsghdr*)(((char*)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len))) #define NLMSG_OK(nlh,len) ((len) >= (int)sizeof(struct nlmsghdr) && \ (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \ (nlh)->nlmsg_len <= (len)) #define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len))) #define NLMSG_NOOP 0x1 /* Nothing. */ #define NLMSG_ERROR 0x2 /* Error */ #define NLMSG_DONE 0x3 /* End of a dump */ #define NLMSG_OVERRUN 0x4 /* Data lost */ #define NLMSG_MIN_TYPE 0x10 /* < 0x10: reserved control messages */ struct nlmsgerr { int error; struct nlmsghdr msg; /* * followed by the message contents unless NETLINK_CAP_ACK was set * or the ACK indicates success (error == 0) * message length is aligned with NLMSG_ALIGN() */ /* * followed by TLVs defined in enum nlmsgerr_attrs * if NETLINK_EXT_ACK was set */ }; /** * enum nlmsgerr_attrs - nlmsgerr attributes * @NLMSGERR_ATTR_UNUSED: unused * @NLMSGERR_ATTR_MSG: error message string (string) * @NLMSGERR_ATTR_OFFS: offset of the invalid attribute in the original * message, counting from the beginning of the header (u32) * @NLMSGERR_ATTR_COOKIE: arbitrary subsystem specific cookie to * be used - in the success case - to identify a created * object or operation or similar (binary) * @__NLMSGERR_ATTR_MAX: number of attributes * @NLMSGERR_ATTR_MAX: highest attribute number */ enum nlmsgerr_attrs { NLMSGERR_ATTR_UNUSED, NLMSGERR_ATTR_MSG, NLMSGERR_ATTR_OFFS, NLMSGERR_ATTR_COOKIE, __NLMSGERR_ATTR_MAX, NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1 }; #define NETLINK_ADD_MEMBERSHIP 1 #define NETLINK_DROP_MEMBERSHIP 2 #define NETLINK_PKTINFO 3 #define NETLINK_BROADCAST_ERROR 4 #define NETLINK_NO_ENOBUFS 5 #define NETLINK_RX_RING 6 #define NETLINK_TX_RING 7 #define NETLINK_LISTEN_ALL_NSID 8 #define NETLINK_LIST_MEMBERSHIPS 9 #define NETLINK_CAP_ACK 10 #define NETLINK_EXT_ACK 11 struct nl_pktinfo { __u32 group; }; struct nl_mmap_req { unsigned int nm_block_size; unsigned int nm_block_nr; unsigned int nm_frame_size; unsigned int nm_frame_nr; }; struct nl_mmap_hdr { unsigned int nm_status; unsigned int nm_len; __u32 nm_group; /* credentials */ __u32 nm_pid; __u32 nm_uid; __u32 nm_gid; }; enum nl_mmap_status { NL_MMAP_STATUS_UNUSED, NL_MMAP_STATUS_RESERVED, NL_MMAP_STATUS_VALID, NL_MMAP_STATUS_COPY, NL_MMAP_STATUS_SKIP, }; #define NL_MMAP_MSG_ALIGNMENT NLMSG_ALIGNTO #define NL_MMAP_MSG_ALIGN(sz) __ALIGN_KERNEL(sz, NL_MMAP_MSG_ALIGNMENT) #define NL_MMAP_HDRLEN NL_MMAP_MSG_ALIGN(sizeof(struct nl_mmap_hdr)) #define NET_MAJOR 36 /* Major 36 is reserved for networking */ enum { NETLINK_UNCONNECTED = 0, NETLINK_CONNECTED, }; /* * <------- NLA_HDRLEN ------> <-- NLA_ALIGN(payload)--> * +---------------------+- - -+- - - - - - - - - -+- - -+ * | Header | Pad | Payload | Pad | * | (struct nlattr) | ing | | ing | * +---------------------+- - -+- - - - - - - - - -+- - -+ * <-------------- nlattr->nla_len --------------> */ struct nlattr { __u16 nla_len; __u16 nla_type; }; /* * nla_type (16 bits) * +---+---+-------------------------------+ * | N | O | Attribute Type | * +---+---+-------------------------------+ * N := Carries nested attributes * O := Payload stored in network byte order * * Note: The N and O flag are mutually exclusive. */ #define NLA_F_NESTED (1 << 15) #define NLA_F_NET_BYTEORDER (1 << 14) #define NLA_TYPE_MASK ~(NLA_F_NESTED | NLA_F_NET_BYTEORDER) #define NLA_ALIGNTO 4 #define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1)) #define NLA_HDRLEN ((int) NLA_ALIGN(sizeof(struct nlattr))) /* Generic 32 bitflags attribute content sent to the kernel. * * The value is a bitmap that defines the values being set * The selector is a bitmask that defines which value is legit * * Examples: * value = 0x0, and selector = 0x1 * implies we are selecting bit 1 and we want to set its value to 0. * * value = 0x2, and selector = 0x2 * implies we are selecting bit 2 and we want to set its value to 1. * */ struct nla_bitfield32 { __u32 value; __u32 selector; }; #endif /* __LINUX_NETLINK_H */ lldpd-1.0.18/include/linux/neighbour.h0000644000076400001440000001036414213121371017052 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __LINUX_NEIGHBOUR_H #define __LINUX_NEIGHBOUR_H #include #include struct ndmsg { __u8 ndm_family; __u8 ndm_pad1; __u16 ndm_pad2; __s32 ndm_ifindex; __u16 ndm_state; __u8 ndm_flags; __u8 ndm_type; }; enum { NDA_UNSPEC, NDA_DST, NDA_LLADDR, NDA_CACHEINFO, NDA_PROBES, NDA_VLAN, NDA_PORT, NDA_VNI, NDA_IFINDEX, NDA_MASTER, NDA_LINK_NETNSID, NDA_SRC_VNI, __NDA_MAX }; #define NDA_MAX (__NDA_MAX - 1) /* * Neighbor Cache Entry Flags */ #define NTF_USE 0x01 #define NTF_SELF 0x02 #define NTF_MASTER 0x04 #define NTF_PROXY 0x08 /* == ATF_PUBL */ #define NTF_EXT_LEARNED 0x10 #define NTF_OFFLOADED 0x20 #define NTF_ROUTER 0x80 /* * Neighbor Cache Entry States. */ #define NUD_INCOMPLETE 0x01 #define NUD_REACHABLE 0x02 #define NUD_STALE 0x04 #define NUD_DELAY 0x08 #define NUD_PROBE 0x10 #define NUD_FAILED 0x20 /* Dummy states */ #define NUD_NOARP 0x40 #define NUD_PERMANENT 0x80 #define NUD_NONE 0x00 /* NUD_NOARP & NUD_PERMANENT are pseudostates, they never change and make no address resolution or NUD. NUD_PERMANENT also cannot be deleted by garbage collectors. */ struct nda_cacheinfo { __u32 ndm_confirmed; __u32 ndm_used; __u32 ndm_updated; __u32 ndm_refcnt; }; /***************************************************************** * Neighbour tables specific messages. * * To retrieve the neighbour tables send RTM_GETNEIGHTBL with the * NLM_F_DUMP flag set. Every neighbour table configuration is * spread over multiple messages to avoid running into message * size limits on systems with many interfaces. The first message * in the sequence transports all not device specific data such as * statistics, configuration, and the default parameter set. * This message is followed by 0..n messages carrying device * specific parameter sets. * Although the ordering should be sufficient, NDTA_NAME can be * used to identify sequences. The initial message can be identified * by checking for NDTA_CONFIG. The device specific messages do * not contain this TLV but have NDTPA_IFINDEX set to the * corresponding interface index. * * To change neighbour table attributes, send RTM_SETNEIGHTBL * with NDTA_NAME set. Changeable attribute include NDTA_THRESH[1-3], * NDTA_GC_INTERVAL, and all TLVs in NDTA_PARMS unless marked * otherwise. Device specific parameter sets can be changed by * setting NDTPA_IFINDEX to the interface index of the corresponding * device. ****/ struct ndt_stats { __u64 ndts_allocs; __u64 ndts_destroys; __u64 ndts_hash_grows; __u64 ndts_res_failed; __u64 ndts_lookups; __u64 ndts_hits; __u64 ndts_rcv_probes_mcast; __u64 ndts_rcv_probes_ucast; __u64 ndts_periodic_gc_runs; __u64 ndts_forced_gc_runs; __u64 ndts_table_fulls; }; enum { NDTPA_UNSPEC, NDTPA_IFINDEX, /* u32, unchangeable */ NDTPA_REFCNT, /* u32, read-only */ NDTPA_REACHABLE_TIME, /* u64, read-only, msecs */ NDTPA_BASE_REACHABLE_TIME, /* u64, msecs */ NDTPA_RETRANS_TIME, /* u64, msecs */ NDTPA_GC_STALETIME, /* u64, msecs */ NDTPA_DELAY_PROBE_TIME, /* u64, msecs */ NDTPA_QUEUE_LEN, /* u32 */ NDTPA_APP_PROBES, /* u32 */ NDTPA_UCAST_PROBES, /* u32 */ NDTPA_MCAST_PROBES, /* u32 */ NDTPA_ANYCAST_DELAY, /* u64, msecs */ NDTPA_PROXY_DELAY, /* u64, msecs */ NDTPA_PROXY_QLEN, /* u32 */ NDTPA_LOCKTIME, /* u64, msecs */ NDTPA_QUEUE_LENBYTES, /* u32 */ NDTPA_MCAST_REPROBES, /* u32 */ NDTPA_PAD, __NDTPA_MAX }; #define NDTPA_MAX (__NDTPA_MAX - 1) struct ndtmsg { __u8 ndtm_family; __u8 ndtm_pad1; __u16 ndtm_pad2; }; struct ndt_config { __u16 ndtc_key_len; __u16 ndtc_entry_size; __u32 ndtc_entries; __u32 ndtc_last_flush; /* delta to now in msecs */ __u32 ndtc_last_rand; /* delta to now in msecs */ __u32 ndtc_hash_rnd; __u32 ndtc_hash_mask; __u32 ndtc_hash_chain_gc; __u32 ndtc_proxy_qlen; }; enum { NDTA_UNSPEC, NDTA_NAME, /* char *, unchangeable */ NDTA_THRESH1, /* u32 */ NDTA_THRESH2, /* u32 */ NDTA_THRESH3, /* u32 */ NDTA_CONFIG, /* struct ndt_config, read-only */ NDTA_PARMS, /* nested TLV NDTPA_* */ NDTA_STATS, /* struct ndt_stats, read-only */ NDTA_GC_INTERVAL, /* u64, msecs */ NDTA_PAD, __NDTA_MAX }; #define NDTA_MAX (__NDTA_MAX - 1) #endif lldpd-1.0.18/include/linux/bpf_common.h0000644000076400001440000000252714213121371017211 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __LINUX_BPF_COMMON_H__ #define __LINUX_BPF_COMMON_H__ /* Instruction classes */ #define BPF_CLASS(code) ((code) & 0x07) #define BPF_LD 0x00 #define BPF_LDX 0x01 #define BPF_ST 0x02 #define BPF_STX 0x03 #define BPF_ALU 0x04 #define BPF_JMP 0x05 #define BPF_RET 0x06 #define BPF_MISC 0x07 /* ld/ldx fields */ #define BPF_SIZE(code) ((code) & 0x18) #define BPF_W 0x00 /* 32-bit */ #define BPF_H 0x08 /* 16-bit */ #define BPF_B 0x10 /* 8-bit */ /* eBPF BPF_DW 0x18 64-bit */ #define BPF_MODE(code) ((code) & 0xe0) #define BPF_IMM 0x00 #define BPF_ABS 0x20 #define BPF_IND 0x40 #define BPF_MEM 0x60 #define BPF_LEN 0x80 #define BPF_MSH 0xa0 /* alu/jmp fields */ #define BPF_OP(code) ((code) & 0xf0) #define BPF_ADD 0x00 #define BPF_SUB 0x10 #define BPF_MUL 0x20 #define BPF_DIV 0x30 #define BPF_OR 0x40 #define BPF_AND 0x50 #define BPF_LSH 0x60 #define BPF_RSH 0x70 #define BPF_NEG 0x80 #define BPF_MOD 0x90 #define BPF_XOR 0xa0 #define BPF_JA 0x00 #define BPF_JEQ 0x10 #define BPF_JGT 0x20 #define BPF_JGE 0x30 #define BPF_JSET 0x40 #define BPF_SRC(code) ((code) & 0x08) #define BPF_K 0x00 #define BPF_X 0x08 #ifndef BPF_MAXINSNS #define BPF_MAXINSNS 4096 #endif #endif /* __LINUX_BPF_COMMON_H__ */ lldpd-1.0.18/include/linux/if_bridge.h0000644000076400001440000001443714213121371017007 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * Linux ethernet bridge * * Authors: * Lennert Buytenhek * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IF_BRIDGE_H #define _LINUX_IF_BRIDGE_H #include #include #define SYSFS_BRIDGE_ATTR "bridge" #define SYSFS_BRIDGE_FDB "brforward" #define SYSFS_BRIDGE_PORT_SUBDIR "brif" #define SYSFS_BRIDGE_PORT_ATTR "brport" #define SYSFS_BRIDGE_PORT_LINK "bridge" #define BRCTL_VERSION 1 #define BRCTL_GET_VERSION 0 #define BRCTL_GET_BRIDGES 1 #define BRCTL_ADD_BRIDGE 2 #define BRCTL_DEL_BRIDGE 3 #define BRCTL_ADD_IF 4 #define BRCTL_DEL_IF 5 #define BRCTL_GET_BRIDGE_INFO 6 #define BRCTL_GET_PORT_LIST 7 #define BRCTL_SET_BRIDGE_FORWARD_DELAY 8 #define BRCTL_SET_BRIDGE_HELLO_TIME 9 #define BRCTL_SET_BRIDGE_MAX_AGE 10 #define BRCTL_SET_AGEING_TIME 11 #define BRCTL_SET_GC_INTERVAL 12 #define BRCTL_GET_PORT_INFO 13 #define BRCTL_SET_BRIDGE_STP_STATE 14 #define BRCTL_SET_BRIDGE_PRIORITY 15 #define BRCTL_SET_PORT_PRIORITY 16 #define BRCTL_SET_PATH_COST 17 #define BRCTL_GET_FDB_ENTRIES 18 #define BR_STATE_DISABLED 0 #define BR_STATE_LISTENING 1 #define BR_STATE_LEARNING 2 #define BR_STATE_FORWARDING 3 #define BR_STATE_BLOCKING 4 struct __bridge_info { __u64 designated_root; __u64 bridge_id; __u32 root_path_cost; __u32 max_age; __u32 hello_time; __u32 forward_delay; __u32 bridge_max_age; __u32 bridge_hello_time; __u32 bridge_forward_delay; __u8 topology_change; __u8 topology_change_detected; __u8 root_port; __u8 stp_enabled; __u32 ageing_time; __u32 gc_interval; __u32 hello_timer_value; __u32 tcn_timer_value; __u32 topology_change_timer_value; __u32 gc_timer_value; }; struct __port_info { __u64 designated_root; __u64 designated_bridge; __u16 port_id; __u16 designated_port; __u32 path_cost; __u32 designated_cost; __u8 state; __u8 top_change_ack; __u8 config_pending; __u8 unused0; __u32 message_age_timer_value; __u32 forward_delay_timer_value; __u32 hold_timer_value; }; struct __fdb_entry { __u8 mac_addr[ETH_ALEN]; __u8 port_no; __u8 is_local; __u32 ageing_timer_value; __u8 port_hi; __u8 pad0; __u16 unused; }; /* Bridge Flags */ #define BRIDGE_FLAGS_MASTER 1 /* Bridge command to/from master */ #define BRIDGE_FLAGS_SELF 2 /* Bridge command to/from lowerdev */ #define BRIDGE_MODE_VEB 0 /* Default loopback mode */ #define BRIDGE_MODE_VEPA 1 /* 802.1Qbg defined VEPA mode */ #define BRIDGE_MODE_UNDEF 0xFFFF /* mode undefined */ /* Bridge management nested attributes * [IFLA_AF_SPEC] = { * [IFLA_BRIDGE_FLAGS] * [IFLA_BRIDGE_MODE] * [IFLA_BRIDGE_VLAN_INFO] * } */ enum { IFLA_BRIDGE_FLAGS, IFLA_BRIDGE_MODE, IFLA_BRIDGE_VLAN_INFO, IFLA_BRIDGE_VLAN_TUNNEL_INFO, __IFLA_BRIDGE_MAX, }; #define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1) #define BRIDGE_VLAN_INFO_MASTER (1<<0) /* Operate on Bridge device as well */ #define BRIDGE_VLAN_INFO_PVID (1<<1) /* VLAN is PVID, ingress untagged */ #define BRIDGE_VLAN_INFO_UNTAGGED (1<<2) /* VLAN egresses untagged */ #define BRIDGE_VLAN_INFO_RANGE_BEGIN (1<<3) /* VLAN is start of vlan range */ #define BRIDGE_VLAN_INFO_RANGE_END (1<<4) /* VLAN is end of vlan range */ #define BRIDGE_VLAN_INFO_BRENTRY (1<<5) /* Global bridge VLAN entry */ struct bridge_vlan_info { __u16 flags; __u16 vid; }; enum { IFLA_BRIDGE_VLAN_TUNNEL_UNSPEC, IFLA_BRIDGE_VLAN_TUNNEL_ID, IFLA_BRIDGE_VLAN_TUNNEL_VID, IFLA_BRIDGE_VLAN_TUNNEL_FLAGS, __IFLA_BRIDGE_VLAN_TUNNEL_MAX, }; #define IFLA_BRIDGE_VLAN_TUNNEL_MAX (__IFLA_BRIDGE_VLAN_TUNNEL_MAX - 1) struct bridge_vlan_xstats { __u64 rx_bytes; __u64 rx_packets; __u64 tx_bytes; __u64 tx_packets; __u16 vid; __u16 flags; __u32 pad2; }; /* Bridge multicast database attributes * [MDBA_MDB] = { * [MDBA_MDB_ENTRY] = { * [MDBA_MDB_ENTRY_INFO] { * struct br_mdb_entry * [MDBA_MDB_EATTR attributes] * } * } * } * [MDBA_ROUTER] = { * [MDBA_ROUTER_PORT] = { * u32 ifindex * [MDBA_ROUTER_PATTR attributes] * } * } */ enum { MDBA_UNSPEC, MDBA_MDB, MDBA_ROUTER, __MDBA_MAX, }; #define MDBA_MAX (__MDBA_MAX - 1) enum { MDBA_MDB_UNSPEC, MDBA_MDB_ENTRY, __MDBA_MDB_MAX, }; #define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1) enum { MDBA_MDB_ENTRY_UNSPEC, MDBA_MDB_ENTRY_INFO, __MDBA_MDB_ENTRY_MAX, }; #define MDBA_MDB_ENTRY_MAX (__MDBA_MDB_ENTRY_MAX - 1) /* per mdb entry additional attributes */ enum { MDBA_MDB_EATTR_UNSPEC, MDBA_MDB_EATTR_TIMER, __MDBA_MDB_EATTR_MAX }; #define MDBA_MDB_EATTR_MAX (__MDBA_MDB_EATTR_MAX - 1) /* multicast router types */ enum { MDB_RTR_TYPE_DISABLED, MDB_RTR_TYPE_TEMP_QUERY, MDB_RTR_TYPE_PERM, MDB_RTR_TYPE_TEMP }; enum { MDBA_ROUTER_UNSPEC, MDBA_ROUTER_PORT, __MDBA_ROUTER_MAX, }; #define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1) /* router port attributes */ enum { MDBA_ROUTER_PATTR_UNSPEC, MDBA_ROUTER_PATTR_TIMER, MDBA_ROUTER_PATTR_TYPE, __MDBA_ROUTER_PATTR_MAX }; #define MDBA_ROUTER_PATTR_MAX (__MDBA_ROUTER_PATTR_MAX - 1) struct br_port_msg { __u8 family; __u32 ifindex; }; enum { MDBA_SET_ENTRY_UNSPEC, MDBA_SET_ENTRY, __MDBA_SET_ENTRY_MAX, }; #define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1) /* Embedded inside LINK_XSTATS_TYPE_BRIDGE */ enum { BRIDGE_XSTATS_UNSPEC, BRIDGE_XSTATS_VLAN, BRIDGE_XSTATS_MCAST, BRIDGE_XSTATS_PAD, __BRIDGE_XSTATS_MAX }; #define BRIDGE_XSTATS_MAX (__BRIDGE_XSTATS_MAX - 1) enum { BR_MCAST_DIR_RX, BR_MCAST_DIR_TX, BR_MCAST_DIR_SIZE }; /* IGMP/MLD statistics */ struct br_mcast_stats { __u64 igmp_v1queries[BR_MCAST_DIR_SIZE]; __u64 igmp_v2queries[BR_MCAST_DIR_SIZE]; __u64 igmp_v3queries[BR_MCAST_DIR_SIZE]; __u64 igmp_leaves[BR_MCAST_DIR_SIZE]; __u64 igmp_v1reports[BR_MCAST_DIR_SIZE]; __u64 igmp_v2reports[BR_MCAST_DIR_SIZE]; __u64 igmp_v3reports[BR_MCAST_DIR_SIZE]; __u64 igmp_parse_errors; __u64 mld_v1queries[BR_MCAST_DIR_SIZE]; __u64 mld_v2queries[BR_MCAST_DIR_SIZE]; __u64 mld_leaves[BR_MCAST_DIR_SIZE]; __u64 mld_v1reports[BR_MCAST_DIR_SIZE]; __u64 mld_v2reports[BR_MCAST_DIR_SIZE]; __u64 mld_parse_errors; __u64 mcast_bytes[BR_MCAST_DIR_SIZE]; __u64 mcast_packets[BR_MCAST_DIR_SIZE]; }; #endif /* _LINUX_IF_BRIDGE_H */ lldpd-1.0.18/include/linux/rtnetlink.h0000644000076400001440000004444014213121371017104 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __LINUX_RTNETLINK_H #define __LINUX_RTNETLINK_H #include #include #include #include #include /* rtnetlink families. Values up to 127 are reserved for real address * families, values above 128 may be used arbitrarily. */ #define RTNL_FAMILY_IPMR 128 #define RTNL_FAMILY_IP6MR 129 #define RTNL_FAMILY_MAX 129 /**** * Routing/neighbour discovery messages. ****/ /* Types of messages */ enum { RTM_BASE = 16, #define RTM_BASE RTM_BASE RTM_NEWLINK = 16, #define RTM_NEWLINK RTM_NEWLINK RTM_DELLINK, #define RTM_DELLINK RTM_DELLINK RTM_GETLINK, #define RTM_GETLINK RTM_GETLINK RTM_SETLINK, #define RTM_SETLINK RTM_SETLINK RTM_NEWADDR = 20, #define RTM_NEWADDR RTM_NEWADDR RTM_DELADDR, #define RTM_DELADDR RTM_DELADDR RTM_GETADDR, #define RTM_GETADDR RTM_GETADDR RTM_NEWROUTE = 24, #define RTM_NEWROUTE RTM_NEWROUTE RTM_DELROUTE, #define RTM_DELROUTE RTM_DELROUTE RTM_GETROUTE, #define RTM_GETROUTE RTM_GETROUTE RTM_NEWNEIGH = 28, #define RTM_NEWNEIGH RTM_NEWNEIGH RTM_DELNEIGH, #define RTM_DELNEIGH RTM_DELNEIGH RTM_GETNEIGH, #define RTM_GETNEIGH RTM_GETNEIGH RTM_NEWRULE = 32, #define RTM_NEWRULE RTM_NEWRULE RTM_DELRULE, #define RTM_DELRULE RTM_DELRULE RTM_GETRULE, #define RTM_GETRULE RTM_GETRULE RTM_NEWQDISC = 36, #define RTM_NEWQDISC RTM_NEWQDISC RTM_DELQDISC, #define RTM_DELQDISC RTM_DELQDISC RTM_GETQDISC, #define RTM_GETQDISC RTM_GETQDISC RTM_NEWTCLASS = 40, #define RTM_NEWTCLASS RTM_NEWTCLASS RTM_DELTCLASS, #define RTM_DELTCLASS RTM_DELTCLASS RTM_GETTCLASS, #define RTM_GETTCLASS RTM_GETTCLASS RTM_NEWTFILTER = 44, #define RTM_NEWTFILTER RTM_NEWTFILTER RTM_DELTFILTER, #define RTM_DELTFILTER RTM_DELTFILTER RTM_GETTFILTER, #define RTM_GETTFILTER RTM_GETTFILTER RTM_NEWACTION = 48, #define RTM_NEWACTION RTM_NEWACTION RTM_DELACTION, #define RTM_DELACTION RTM_DELACTION RTM_GETACTION, #define RTM_GETACTION RTM_GETACTION RTM_NEWPREFIX = 52, #define RTM_NEWPREFIX RTM_NEWPREFIX RTM_GETMULTICAST = 58, #define RTM_GETMULTICAST RTM_GETMULTICAST RTM_GETANYCAST = 62, #define RTM_GETANYCAST RTM_GETANYCAST RTM_NEWNEIGHTBL = 64, #define RTM_NEWNEIGHTBL RTM_NEWNEIGHTBL RTM_GETNEIGHTBL = 66, #define RTM_GETNEIGHTBL RTM_GETNEIGHTBL RTM_SETNEIGHTBL, #define RTM_SETNEIGHTBL RTM_SETNEIGHTBL RTM_NEWNDUSEROPT = 68, #define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT RTM_NEWADDRLABEL = 72, #define RTM_NEWADDRLABEL RTM_NEWADDRLABEL RTM_DELADDRLABEL, #define RTM_DELADDRLABEL RTM_DELADDRLABEL RTM_GETADDRLABEL, #define RTM_GETADDRLABEL RTM_GETADDRLABEL RTM_GETDCB = 78, #define RTM_GETDCB RTM_GETDCB RTM_SETDCB, #define RTM_SETDCB RTM_SETDCB RTM_NEWNETCONF = 80, #define RTM_NEWNETCONF RTM_NEWNETCONF RTM_DELNETCONF, #define RTM_DELNETCONF RTM_DELNETCONF RTM_GETNETCONF = 82, #define RTM_GETNETCONF RTM_GETNETCONF RTM_NEWMDB = 84, #define RTM_NEWMDB RTM_NEWMDB RTM_DELMDB = 85, #define RTM_DELMDB RTM_DELMDB RTM_GETMDB = 86, #define RTM_GETMDB RTM_GETMDB RTM_NEWNSID = 88, #define RTM_NEWNSID RTM_NEWNSID RTM_DELNSID = 89, #define RTM_DELNSID RTM_DELNSID RTM_GETNSID = 90, #define RTM_GETNSID RTM_GETNSID RTM_NEWSTATS = 92, #define RTM_NEWSTATS RTM_NEWSTATS RTM_GETSTATS = 94, #define RTM_GETSTATS RTM_GETSTATS RTM_NEWCACHEREPORT = 96, #define RTM_NEWCACHEREPORT RTM_NEWCACHEREPORT RTM_NEWCHAIN = 100, #define RTM_NEWCHAIN RTM_NEWCHAIN RTM_DELCHAIN, #define RTM_DELCHAIN RTM_DELCHAIN RTM_GETCHAIN, #define RTM_GETCHAIN RTM_GETCHAIN __RTM_MAX, #define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1) }; #define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE) #define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2) #define RTM_FAM(cmd) (((cmd) - RTM_BASE) >> 2) /* Generic structure for encapsulation of optional route information. It is reminiscent of sockaddr, but with sa_family replaced with attribute type. */ struct rtattr { unsigned short rta_len; unsigned short rta_type; }; /* Macros to handle rtattributes */ #define RTA_ALIGNTO 4U #define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) ) #define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \ (rta)->rta_len >= sizeof(struct rtattr) && \ (rta)->rta_len <= (len)) #define RTA_NEXT(rta,attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \ (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len))) #define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len)) #define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len)) #define RTA_DATA(rta) ((void*)(((char*)(rta)) + RTA_LENGTH(0))) #define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0)) /****************************************************************************** * Definitions used in routing table administration. ****/ struct rtmsg { unsigned char rtm_family; unsigned char rtm_dst_len; unsigned char rtm_src_len; unsigned char rtm_tos; unsigned char rtm_table; /* Routing table id */ unsigned char rtm_protocol; /* Routing protocol; see below */ unsigned char rtm_scope; /* See below */ unsigned char rtm_type; /* See below */ unsigned rtm_flags; }; /* rtm_type */ enum { RTN_UNSPEC, RTN_UNICAST, /* Gateway or direct route */ RTN_LOCAL, /* Accept locally */ RTN_BROADCAST, /* Accept locally as broadcast, send as broadcast */ RTN_ANYCAST, /* Accept locally as broadcast, but send as unicast */ RTN_MULTICAST, /* Multicast route */ RTN_BLACKHOLE, /* Drop */ RTN_UNREACHABLE, /* Destination is unreachable */ RTN_PROHIBIT, /* Administratively prohibited */ RTN_THROW, /* Not in this table */ RTN_NAT, /* Translate this address */ RTN_XRESOLVE, /* Use external resolver */ __RTN_MAX }; #define RTN_MAX (__RTN_MAX - 1) /* rtm_protocol */ #define RTPROT_UNSPEC 0 #define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects; not used by current IPv4 */ #define RTPROT_KERNEL 2 /* Route installed by kernel */ #define RTPROT_BOOT 3 /* Route installed during boot */ #define RTPROT_STATIC 4 /* Route installed by administrator */ /* Values of protocol >= RTPROT_STATIC are not interpreted by kernel; they are just passed from user and back as is. It will be used by hypothetical multiple routing daemons. Note that protocol values should be standardized in order to avoid conflicts. */ #define RTPROT_GATED 8 /* Apparently, GateD */ #define RTPROT_RA 9 /* RDISC/ND router advertisements */ #define RTPROT_MRT 10 /* Merit MRT */ #define RTPROT_ZEBRA 11 /* Zebra */ #define RTPROT_BIRD 12 /* BIRD */ #define RTPROT_DNROUTED 13 /* DECnet routing daemon */ #define RTPROT_XORP 14 /* XORP */ #define RTPROT_NTK 15 /* Netsukuku */ #define RTPROT_DHCP 16 /* DHCP client */ #define RTPROT_MROUTED 17 /* Multicast daemon */ #define RTPROT_BABEL 42 /* Babel daemon */ #define RTPROT_BGP 186 /* BGP Routes */ #define RTPROT_ISIS 187 /* ISIS Routes */ #define RTPROT_OSPF 188 /* OSPF Routes */ #define RTPROT_RIP 189 /* RIP Routes */ #define RTPROT_EIGRP 192 /* EIGRP Routes */ /* rtm_scope Really it is not scope, but sort of distance to the destination. NOWHERE are reserved for not existing destinations, HOST is our local addresses, LINK are destinations, located on directly attached link and UNIVERSE is everywhere in the Universe. Intermediate values are also possible f.e. interior routes could be assigned a value between UNIVERSE and LINK. */ enum rt_scope_t { RT_SCOPE_UNIVERSE=0, /* User defined values */ RT_SCOPE_SITE=200, RT_SCOPE_LINK=253, RT_SCOPE_HOST=254, RT_SCOPE_NOWHERE=255 }; /* rtm_flags */ #define RTM_F_NOTIFY 0x100 /* Notify user of route change */ #define RTM_F_CLONED 0x200 /* This route is cloned */ #define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */ #define RTM_F_PREFIX 0x800 /* Prefix addresses */ #define RTM_F_LOOKUP_TABLE 0x1000 /* set rtm_table to FIB lookup result */ #define RTM_F_FIB_MATCH 0x2000 /* return full fib lookup match */ /* Reserved table identifiers */ enum rt_class_t { RT_TABLE_UNSPEC=0, /* User defined values */ RT_TABLE_COMPAT=252, RT_TABLE_DEFAULT=253, RT_TABLE_MAIN=254, RT_TABLE_LOCAL=255, RT_TABLE_MAX=0xFFFFFFFF }; /* Routing message attributes */ enum rtattr_type_t { RTA_UNSPEC, RTA_DST, RTA_SRC, RTA_IIF, RTA_OIF, RTA_GATEWAY, RTA_PRIORITY, RTA_PREFSRC, RTA_METRICS, RTA_MULTIPATH, RTA_PROTOINFO, /* no longer used */ RTA_FLOW, RTA_CACHEINFO, RTA_SESSION, /* no longer used */ RTA_MP_ALGO, /* no longer used */ RTA_TABLE, RTA_MARK, RTA_MFC_STATS, RTA_VIA, RTA_NEWDST, RTA_PREF, RTA_ENCAP_TYPE, RTA_ENCAP, RTA_EXPIRES, RTA_PAD, RTA_UID, RTA_TTL_PROPAGATE, RTA_IP_PROTO, RTA_SPORT, RTA_DPORT, __RTA_MAX }; #define RTA_MAX (__RTA_MAX - 1) #define RTM_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg)))) #define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg)) /* RTM_MULTIPATH --- array of struct rtnexthop. * * "struct rtnexthop" describes all necessary nexthop information, * i.e. parameters of path to a destination via this nexthop. * * At the moment it is impossible to set different prefsrc, mtu, window * and rtt for different paths from multipath. */ struct rtnexthop { unsigned short rtnh_len; unsigned char rtnh_flags; unsigned char rtnh_hops; int rtnh_ifindex; }; /* rtnh_flags */ #define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */ #define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */ #define RTNH_F_ONLINK 4 /* Gateway is forced on link */ #define RTNH_F_OFFLOAD 8 /* offloaded route */ #define RTNH_F_LINKDOWN 16 /* carrier-down on nexthop */ #define RTNH_F_UNRESOLVED 32 /* The entry is unresolved (ipmr) */ #define RTNH_COMPARE_MASK (RTNH_F_DEAD | RTNH_F_LINKDOWN | RTNH_F_OFFLOAD) /* Macros to handle hexthops */ #define RTNH_ALIGNTO 4 #define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) ) #define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \ ((int)(rtnh)->rtnh_len) <= (len)) #define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len))) #define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len)) #define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len)) #define RTNH_DATA(rtnh) ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0))) /* RTM_CACHEINFO */ struct rta_cacheinfo { __u32 rta_clntref; __u32 rta_lastuse; __s32 rta_expires; __u32 rta_error; __u32 rta_used; #define RTNETLINK_HAVE_PEERINFO 1 __u32 rta_id; __u32 rta_ts; __u32 rta_tsage; }; /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */ enum { RTAX_UNSPEC, #define RTAX_UNSPEC RTAX_UNSPEC RTAX_LOCK, #define RTAX_LOCK RTAX_LOCK RTAX_MTU, #define RTAX_MTU RTAX_MTU RTAX_WINDOW, #define RTAX_WINDOW RTAX_WINDOW RTAX_RTT, #define RTAX_RTT RTAX_RTT RTAX_RTTVAR, #define RTAX_RTTVAR RTAX_RTTVAR RTAX_SSTHRESH, #define RTAX_SSTHRESH RTAX_SSTHRESH RTAX_CWND, #define RTAX_CWND RTAX_CWND RTAX_ADVMSS, #define RTAX_ADVMSS RTAX_ADVMSS RTAX_REORDERING, #define RTAX_REORDERING RTAX_REORDERING RTAX_HOPLIMIT, #define RTAX_HOPLIMIT RTAX_HOPLIMIT RTAX_INITCWND, #define RTAX_INITCWND RTAX_INITCWND RTAX_FEATURES, #define RTAX_FEATURES RTAX_FEATURES RTAX_RTO_MIN, #define RTAX_RTO_MIN RTAX_RTO_MIN RTAX_INITRWND, #define RTAX_INITRWND RTAX_INITRWND RTAX_QUICKACK, #define RTAX_QUICKACK RTAX_QUICKACK RTAX_CC_ALGO, #define RTAX_CC_ALGO RTAX_CC_ALGO RTAX_FASTOPEN_NO_COOKIE, #define RTAX_FASTOPEN_NO_COOKIE RTAX_FASTOPEN_NO_COOKIE __RTAX_MAX }; #define RTAX_MAX (__RTAX_MAX - 1) #define RTAX_FEATURE_ECN (1 << 0) #define RTAX_FEATURE_SACK (1 << 1) #define RTAX_FEATURE_TIMESTAMP (1 << 2) #define RTAX_FEATURE_ALLFRAG (1 << 3) #define RTAX_FEATURE_MASK (RTAX_FEATURE_ECN | RTAX_FEATURE_SACK | \ RTAX_FEATURE_TIMESTAMP | RTAX_FEATURE_ALLFRAG) struct rta_session { __u8 proto; __u8 pad1; __u16 pad2; union { struct { __u16 sport; __u16 dport; } ports; struct { __u8 type; __u8 code; __u16 ident; } icmpt; __u32 spi; } u; }; struct rta_mfc_stats { __u64 mfcs_packets; __u64 mfcs_bytes; __u64 mfcs_wrong_if; }; /**** * General form of address family dependent message. ****/ struct rtgenmsg { unsigned char rtgen_family; }; /***************************************************************** * Link layer specific messages. ****/ /* struct ifinfomsg * passes link level specific information, not dependent * on network protocol. */ struct ifinfomsg { unsigned char ifi_family; unsigned char __ifi_pad; unsigned short ifi_type; /* ARPHRD_* */ int ifi_index; /* Link index */ unsigned ifi_flags; /* IFF_* flags */ unsigned ifi_change; /* IFF_* change mask */ }; /******************************************************************** * prefix information ****/ struct prefixmsg { unsigned char prefix_family; unsigned char prefix_pad1; unsigned short prefix_pad2; int prefix_ifindex; unsigned char prefix_type; unsigned char prefix_len; unsigned char prefix_flags; unsigned char prefix_pad3; }; enum { PREFIX_UNSPEC, PREFIX_ADDRESS, PREFIX_CACHEINFO, __PREFIX_MAX }; #define PREFIX_MAX (__PREFIX_MAX - 1) struct prefix_cacheinfo { __u32 preferred_time; __u32 valid_time; }; /***************************************************************** * Traffic control messages. ****/ struct tcmsg { unsigned char tcm_family; unsigned char tcm__pad1; unsigned short tcm__pad2; int tcm_ifindex; __u32 tcm_handle; __u32 tcm_parent; /* tcm_block_index is used instead of tcm_parent * in case tcm_ifindex == TCM_IFINDEX_MAGIC_BLOCK */ #define tcm_block_index tcm_parent __u32 tcm_info; }; /* For manipulation of filters in shared block, tcm_ifindex is set to * TCM_IFINDEX_MAGIC_BLOCK, and tcm_parent is aliased to tcm_block_index * which is the block index. */ #define TCM_IFINDEX_MAGIC_BLOCK (0xFFFFFFFFU) enum { TCA_UNSPEC, TCA_KIND, TCA_OPTIONS, TCA_STATS, TCA_XSTATS, TCA_RATE, TCA_FCNT, TCA_STATS2, TCA_STAB, TCA_PAD, TCA_DUMP_INVISIBLE, TCA_CHAIN, TCA_HW_OFFLOAD, TCA_INGRESS_BLOCK, TCA_EGRESS_BLOCK, __TCA_MAX }; #define TCA_MAX (__TCA_MAX - 1) #define TCA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg)))) #define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg)) /******************************************************************** * Neighbor Discovery userland options ****/ struct nduseroptmsg { unsigned char nduseropt_family; unsigned char nduseropt_pad1; unsigned short nduseropt_opts_len; /* Total length of options */ int nduseropt_ifindex; __u8 nduseropt_icmp_type; __u8 nduseropt_icmp_code; unsigned short nduseropt_pad2; unsigned int nduseropt_pad3; /* Followed by one or more ND options */ }; enum { NDUSEROPT_UNSPEC, NDUSEROPT_SRCADDR, __NDUSEROPT_MAX }; #define NDUSEROPT_MAX (__NDUSEROPT_MAX - 1) /* RTnetlink multicast groups - backwards compatibility for userspace */ #define RTMGRP_LINK 1 #define RTMGRP_NOTIFY 2 #define RTMGRP_NEIGH 4 #define RTMGRP_TC 8 #define RTMGRP_IPV4_IFADDR 0x10 #define RTMGRP_IPV4_MROUTE 0x20 #define RTMGRP_IPV4_ROUTE 0x40 #define RTMGRP_IPV4_RULE 0x80 #define RTMGRP_IPV6_IFADDR 0x100 #define RTMGRP_IPV6_MROUTE 0x200 #define RTMGRP_IPV6_ROUTE 0x400 #define RTMGRP_IPV6_IFINFO 0x800 #define RTMGRP_DECnet_IFADDR 0x1000 #define RTMGRP_DECnet_ROUTE 0x4000 #define RTMGRP_IPV6_PREFIX 0x20000 /* RTnetlink multicast groups */ enum rtnetlink_groups { RTNLGRP_NONE, #define RTNLGRP_NONE RTNLGRP_NONE RTNLGRP_LINK, #define RTNLGRP_LINK RTNLGRP_LINK RTNLGRP_NOTIFY, #define RTNLGRP_NOTIFY RTNLGRP_NOTIFY RTNLGRP_NEIGH, #define RTNLGRP_NEIGH RTNLGRP_NEIGH RTNLGRP_TC, #define RTNLGRP_TC RTNLGRP_TC RTNLGRP_IPV4_IFADDR, #define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_MROUTE, #define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_ROUTE, #define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_RULE, #define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE RTNLGRP_IPV6_IFADDR, #define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_MROUTE, #define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_ROUTE, #define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_IFINFO, #define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO RTNLGRP_DECnet_IFADDR, #define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR RTNLGRP_NOP2, RTNLGRP_DECnet_ROUTE, #define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_RULE, #define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE RTNLGRP_NOP4, RTNLGRP_IPV6_PREFIX, #define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_RULE, #define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE RTNLGRP_ND_USEROPT, #define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT RTNLGRP_PHONET_IFADDR, #define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_ROUTE, #define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE RTNLGRP_DCB, #define RTNLGRP_DCB RTNLGRP_DCB RTNLGRP_IPV4_NETCONF, #define RTNLGRP_IPV4_NETCONF RTNLGRP_IPV4_NETCONF RTNLGRP_IPV6_NETCONF, #define RTNLGRP_IPV6_NETCONF RTNLGRP_IPV6_NETCONF RTNLGRP_MDB, #define RTNLGRP_MDB RTNLGRP_MDB RTNLGRP_MPLS_ROUTE, #define RTNLGRP_MPLS_ROUTE RTNLGRP_MPLS_ROUTE RTNLGRP_NSID, #define RTNLGRP_NSID RTNLGRP_NSID RTNLGRP_MPLS_NETCONF, #define RTNLGRP_MPLS_NETCONF RTNLGRP_MPLS_NETCONF RTNLGRP_IPV4_MROUTE_R, #define RTNLGRP_IPV4_MROUTE_R RTNLGRP_IPV4_MROUTE_R RTNLGRP_IPV6_MROUTE_R, #define RTNLGRP_IPV6_MROUTE_R RTNLGRP_IPV6_MROUTE_R __RTNLGRP_MAX }; #define RTNLGRP_MAX (__RTNLGRP_MAX - 1) /* TC action piece */ struct tcamsg { unsigned char tca_family; unsigned char tca__pad1; unsigned short tca__pad2; }; enum { TCA_ROOT_UNSPEC, TCA_ROOT_TAB, #define TCA_ACT_TAB TCA_ROOT_TAB #define TCAA_MAX TCA_ROOT_TAB TCA_ROOT_FLAGS, TCA_ROOT_COUNT, TCA_ROOT_TIME_DELTA, /* in msecs */ __TCA_ROOT_MAX, #define TCA_ROOT_MAX (__TCA_ROOT_MAX - 1) }; #define TA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg)))) #define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg)) /* tcamsg flags stored in attribute TCA_ROOT_FLAGS * * TCA_FLAG_LARGE_DUMP_ON user->kernel to request for larger than TCA_ACT_MAX_PRIO * actions in a dump. All dump responses will contain the number of actions * being dumped stored in for user app's consumption in TCA_ROOT_COUNT * */ #define TCA_FLAG_LARGE_DUMP_ON (1 << 0) /* New extended info filters for IFLA_EXT_MASK */ #define RTEXT_FILTER_VF (1 << 0) #define RTEXT_FILTER_BRVLAN (1 << 1) #define RTEXT_FILTER_BRVLAN_COMPRESSED (1 << 2) #define RTEXT_FILTER_SKIP_STATS (1 << 3) /* End of information exported to user level */ #endif /* __LINUX_RTNETLINK_H */ lldpd-1.0.18/include/linux/types.h0000644000076400001440000000270414213121371016233 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _LINUX_TYPES_H #define _LINUX_TYPES_H #include #ifndef __ASSEMBLY__ #include /* * Below are truly Linux-specific types that should never collide with * any application/library that wants linux/types.h. */ #ifdef __CHECKER__ #define __bitwise__ __attribute__((bitwise)) #else #define __bitwise__ #endif #define __bitwise __bitwise__ typedef __u16 __bitwise __le16; typedef __u16 __bitwise __be16; typedef __u32 __bitwise __le32; typedef __u32 __bitwise __be32; typedef __u64 __bitwise __le64; typedef __u64 __bitwise __be64; typedef __u16 __bitwise __sum16; typedef __u32 __bitwise __wsum; /* * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid * common 32/64-bit compat problems. * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other * architectures) and to 8-byte boundaries on 64-bit architectures. The new * aligned_64 type enforces 8-byte alignment so that structs containing * aligned_64 values have the same alignment on 32-bit and 64-bit architectures. * No conversions are necessary between 32-bit user-space and a 64-bit kernel. */ #define __aligned_u64 __u64 __attribute__((aligned(8))) #define __aligned_be64 __be64 __attribute__((aligned(8))) #define __aligned_le64 __le64 __attribute__((aligned(8))) typedef unsigned __bitwise __poll_t; #endif /* __ASSEMBLY__ */ #endif /* _LINUX_TYPES_H */ lldpd-1.0.18/include/linux/if_bonding.h0000644000076400001440000001025414213121371017164 0ustar00bernatusers/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */ /* * Bond several ethernet interfaces into a Cisco, running 'Etherchannel'. * * * Portions are (c) Copyright 1995 Simon "Guru Aleph-Null" Janes * NCM: Network and Communications Management, Inc. * * BUT, I'm the one who modified it for ethernet, so: * (c) Copyright 1999, Thomas Davis, tadavis@lbl.gov * * This software may be used and distributed according to the terms * of the GNU Public License, incorporated herein by reference. * * 2003/03/18 - Amir Noam * - Added support for getting slave's speed and duplex via ethtool. * Needed for 802.3ad and other future modes. * * 2003/03/18 - Tsippy Mendelson and * Shmulik Hen * - Enable support of modes that need to use the unique mac address of * each slave. * * 2003/03/18 - Tsippy Mendelson and * Amir Noam * - Moved driver's private data types to bonding.h * * 2003/03/18 - Amir Noam , * Tsippy Mendelson and * Shmulik Hen * - Added support for IEEE 802.3ad Dynamic link aggregation mode. * * 2003/05/01 - Amir Noam * - Added ABI version control to restore compatibility between * new/old ifenslave and new/old bonding. * * 2003/12/01 - Shmulik Hen * - Code cleanup and style changes * * 2005/05/05 - Jason Gabler * - added definitions for various XOR hashing policies */ #ifndef _LINUX_IF_BONDING_H #define _LINUX_IF_BONDING_H #include #include #include /* userland - kernel ABI version (2003/05/08) */ #define BOND_ABI_VERSION 2 /* * We can remove these ioctl definitions in 2.5. People should use the * SIOC*** versions of them instead */ #define BOND_ENSLAVE_OLD (SIOCDEVPRIVATE) #define BOND_RELEASE_OLD (SIOCDEVPRIVATE + 1) #define BOND_SETHWADDR_OLD (SIOCDEVPRIVATE + 2) #define BOND_SLAVE_INFO_QUERY_OLD (SIOCDEVPRIVATE + 11) #define BOND_INFO_QUERY_OLD (SIOCDEVPRIVATE + 12) #define BOND_CHANGE_ACTIVE_OLD (SIOCDEVPRIVATE + 13) #define BOND_CHECK_MII_STATUS (SIOCGMIIPHY) #define BOND_MODE_ROUNDROBIN 0 #define BOND_MODE_ACTIVEBACKUP 1 #define BOND_MODE_XOR 2 #define BOND_MODE_BROADCAST 3 #define BOND_MODE_8023AD 4 #define BOND_MODE_TLB 5 #define BOND_MODE_ALB 6 /* TLB + RLB (receive load balancing) */ /* each slave's link has 4 states */ #define BOND_LINK_UP 0 /* link is up and running */ #define BOND_LINK_FAIL 1 /* link has just gone down */ #define BOND_LINK_DOWN 2 /* link has been down for too long time */ #define BOND_LINK_BACK 3 /* link is going back */ /* each slave has several states */ #define BOND_STATE_ACTIVE 0 /* link is active */ #define BOND_STATE_BACKUP 1 /* link is backup */ #define BOND_DEFAULT_MAX_BONDS 1 /* Default maximum number of devices to support */ #define BOND_DEFAULT_TX_QUEUES 16 /* Default number of tx queues per device */ #define BOND_DEFAULT_RESEND_IGMP 1 /* Default number of IGMP membership reports */ /* hashing types */ #define BOND_XMIT_POLICY_LAYER2 0 /* layer 2 (MAC only), default */ #define BOND_XMIT_POLICY_LAYER34 1 /* layer 3+4 (IP ^ (TCP || UDP)) */ #define BOND_XMIT_POLICY_LAYER23 2 /* layer 2+3 (IP ^ MAC) */ #define BOND_XMIT_POLICY_ENCAP23 3 /* encapsulated layer 2+3 */ #define BOND_XMIT_POLICY_ENCAP34 4 /* encapsulated layer 3+4 */ typedef struct ifbond { __s32 bond_mode; __s32 num_slaves; __s32 miimon; } ifbond; typedef struct ifslave { __s32 slave_id; /* Used as an IN param to the BOND_SLAVE_INFO_QUERY ioctl */ char slave_name[IFNAMSIZ]; __s8 link; __s8 state; __u32 link_failure_count; } ifslave; struct ad_info { __u16 aggregator_id; __u16 ports; __u16 actor_key; __u16 partner_key; __u8 partner_system[ETH_ALEN]; }; #endif /* _LINUX_IF_BONDING_H */ /* * Local variables: * version-control: t * kept-new-versions: 5 * c-indent-level: 8 * c-basic-offset: 8 * tab-width: 8 * End: */ lldpd-1.0.18/include/linux/hdlc/0000755000076400001440000000000014213121371015625 5ustar00bernatuserslldpd-1.0.18/include/linux/hdlc/ioctl.h0000644000076400001440000000514114213121371017111 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __HDLC_IOCTL_H__ #define __HDLC_IOCTL_H__ #define GENERIC_HDLC_VERSION 4 /* For synchronization with sethdlc utility */ #define CLOCK_DEFAULT 0 /* Default setting */ #define CLOCK_EXT 1 /* External TX and RX clock - DTE */ #define CLOCK_INT 2 /* Internal TX and RX clock - DCE */ #define CLOCK_TXINT 3 /* Internal TX and external RX clock */ #define CLOCK_TXFROMRX 4 /* TX clock derived from external RX clock */ #define ENCODING_DEFAULT 0 /* Default setting */ #define ENCODING_NRZ 1 #define ENCODING_NRZI 2 #define ENCODING_FM_MARK 3 #define ENCODING_FM_SPACE 4 #define ENCODING_MANCHESTER 5 #define PARITY_DEFAULT 0 /* Default setting */ #define PARITY_NONE 1 /* No parity */ #define PARITY_CRC16_PR0 2 /* CRC16, initial value 0x0000 */ #define PARITY_CRC16_PR1 3 /* CRC16, initial value 0xFFFF */ #define PARITY_CRC16_PR0_CCITT 4 /* CRC16, initial 0x0000, ITU-T version */ #define PARITY_CRC16_PR1_CCITT 5 /* CRC16, initial 0xFFFF, ITU-T version */ #define PARITY_CRC32_PR0_CCITT 6 /* CRC32, initial value 0x00000000 */ #define PARITY_CRC32_PR1_CCITT 7 /* CRC32, initial value 0xFFFFFFFF */ #define LMI_DEFAULT 0 /* Default setting */ #define LMI_NONE 1 /* No LMI, all PVCs are static */ #define LMI_ANSI 2 /* ANSI Annex D */ #define LMI_CCITT 3 /* ITU-T Annex A */ #define LMI_CISCO 4 /* The "original" LMI, aka Gang of Four */ #ifndef __ASSEMBLY__ typedef struct { unsigned int clock_rate; /* bits per second */ unsigned int clock_type; /* internal, external, TX-internal etc. */ unsigned short loopback; } sync_serial_settings; /* V.35, V.24, X.21 */ typedef struct { unsigned int clock_rate; /* bits per second */ unsigned int clock_type; /* internal, external, TX-internal etc. */ unsigned short loopback; unsigned int slot_map; } te1_settings; /* T1, E1 */ typedef struct { unsigned short encoding; unsigned short parity; } raw_hdlc_proto; typedef struct { unsigned int t391; unsigned int t392; unsigned int n391; unsigned int n392; unsigned int n393; unsigned short lmi; unsigned short dce; /* 1 for DCE (network side) operation */ } fr_proto; typedef struct { unsigned int dlci; } fr_proto_pvc; /* for creating/deleting FR PVCs */ typedef struct { unsigned int dlci; char master[IFNAMSIZ]; /* Name of master FRAD device */ }fr_proto_pvc_info; /* for returning PVC information only */ typedef struct { unsigned int interval; unsigned int timeout; } cisco_proto; /* PPP doesn't need any info now - supply length = 0 to ioctl */ #endif /* __ASSEMBLY__ */ #endif /* __HDLC_IOCTL_H__ */ lldpd-1.0.18/include/linux/ethtool.h0000644000076400001440000021637314213121371016556 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * ethtool.h: Defines for Linux ethtool. * * Copyright (C) 1998 David S. Miller (davem@redhat.com) * Copyright 2001 Jeff Garzik * Portions Copyright 2001 Sun Microsystems (thockin@sun.com) * Portions Copyright 2002 Intel (eli.kupermann@intel.com, * christopher.leech@intel.com, * scott.feldman@intel.com) * Portions Copyright (C) Sun Microsystems 2008 */ #ifndef _LINUX_ETHTOOL_H #define _LINUX_ETHTOOL_H #include #include #include #include /* for INT_MAX */ /* All structures exposed to userland should be defined such that they * have the same layout for 32-bit and 64-bit userland. */ /** * struct ethtool_cmd - DEPRECATED, link control and status * This structure is DEPRECATED, please use struct ethtool_link_settings. * @cmd: Command number = %ETHTOOL_GSET or %ETHTOOL_SSET * @supported: Bitmask of %SUPPORTED_* flags for the link modes, * physical connectors and other link features for which the * interface supports autonegotiation or auto-detection. * Read-only. * @advertising: Bitmask of %ADVERTISED_* flags for the link modes, * physical connectors and other link features that are * advertised through autonegotiation or enabled for * auto-detection. * @speed: Low bits of the speed, 1Mb units, 0 to INT_MAX or SPEED_UNKNOWN * @duplex: Duplex mode; one of %DUPLEX_* * @port: Physical connector type; one of %PORT_* * @phy_address: MDIO address of PHY (transceiver); 0 or 255 if not * applicable. For clause 45 PHYs this is the PRTAD. * @transceiver: Historically used to distinguish different possible * PHY types, but not in a consistent way. Deprecated. * @autoneg: Enable/disable autonegotiation and auto-detection; * either %AUTONEG_DISABLE or %AUTONEG_ENABLE * @mdio_support: Bitmask of %ETH_MDIO_SUPPORTS_* flags for the MDIO * protocols supported by the interface; 0 if unknown. * Read-only. * @maxtxpkt: Historically used to report TX IRQ coalescing; now * obsoleted by &struct ethtool_coalesce. Read-only; deprecated. * @maxrxpkt: Historically used to report RX IRQ coalescing; now * obsoleted by &struct ethtool_coalesce. Read-only; deprecated. * @speed_hi: High bits of the speed, 1Mb units, 0 to INT_MAX or SPEED_UNKNOWN * @eth_tp_mdix: Ethernet twisted-pair MDI(-X) status; one of * %ETH_TP_MDI_*. If the status is unknown or not applicable, the * value will be %ETH_TP_MDI_INVALID. Read-only. * @eth_tp_mdix_ctrl: Ethernet twisted pair MDI(-X) control; one of * %ETH_TP_MDI_*. If MDI(-X) control is not implemented, reads * yield %ETH_TP_MDI_INVALID and writes may be ignored or rejected. * When written successfully, the link should be renegotiated if * necessary. * @lp_advertising: Bitmask of %ADVERTISED_* flags for the link modes * and other link features that the link partner advertised * through autonegotiation; 0 if unknown or not applicable. * Read-only. * * The link speed in Mbps is split between @speed and @speed_hi. Use * the ethtool_cmd_speed() and ethtool_cmd_speed_set() functions to * access it. * * If autonegotiation is disabled, the speed and @duplex represent the * fixed link mode and are writable if the driver supports multiple * link modes. If it is enabled then they are read-only; if the link * is up they represent the negotiated link mode; if the link is down, * the speed is 0, %SPEED_UNKNOWN or the highest enabled speed and * @duplex is %DUPLEX_UNKNOWN or the best enabled duplex mode. * * Some hardware interfaces may have multiple PHYs and/or physical * connectors fitted or do not allow the driver to detect which are * fitted. For these interfaces @port and/or @phy_address may be * writable, possibly dependent on @autoneg being %AUTONEG_DISABLE. * Otherwise, attempts to write different values may be ignored or * rejected. * * Users should assume that all fields not marked read-only are * writable and subject to validation by the driver. They should use * %ETHTOOL_GSET to get the current values before making specific * changes and then applying them with %ETHTOOL_SSET. * * Drivers that implement set_settings() should validate all fields * other than @cmd that are not described as read-only or deprecated, * and must ignore all fields described as read-only. * * Deprecated fields should be ignored by both users and drivers. */ struct ethtool_cmd { __u32 cmd; __u32 supported; __u32 advertising; __u16 speed; __u8 duplex; __u8 port; __u8 phy_address; __u8 transceiver; __u8 autoneg; __u8 mdio_support; __u32 maxtxpkt; __u32 maxrxpkt; __u16 speed_hi; __u8 eth_tp_mdix; __u8 eth_tp_mdix_ctrl; __u32 lp_advertising; __u32 reserved[2]; }; static __inline__ void ethtool_cmd_speed_set(struct ethtool_cmd *ep, __u32 speed) { ep->speed = (__u16)(speed & 0xFFFF); ep->speed_hi = (__u16)(speed >> 16); } static __inline__ __u32 ethtool_cmd_speed(const struct ethtool_cmd *ep) { return (ep->speed_hi << 16) | ep->speed; } /* Device supports clause 22 register access to PHY or peripherals * using the interface defined in . This should not be * set if there are known to be no such peripherals present or if * the driver only emulates clause 22 registers for compatibility. */ #define ETH_MDIO_SUPPORTS_C22 1 /* Device supports clause 45 register access to PHY or peripherals * using the interface defined in and . * This should not be set if there are known to be no such peripherals * present. */ #define ETH_MDIO_SUPPORTS_C45 2 #define ETHTOOL_FWVERS_LEN 32 #define ETHTOOL_BUSINFO_LEN 32 #define ETHTOOL_EROMVERS_LEN 32 /** * struct ethtool_drvinfo - general driver and device information * @cmd: Command number = %ETHTOOL_GDRVINFO * @driver: Driver short name. This should normally match the name * in its bus driver structure (e.g. pci_driver::name). Must * not be an empty string. * @version: Driver version string; may be an empty string * @fw_version: Firmware version string; may be an empty string * @erom_version: Expansion ROM version string; may be an empty string * @bus_info: Device bus address. This should match the dev_name() * string for the underlying bus device, if there is one. May be * an empty string. * @n_priv_flags: Number of flags valid for %ETHTOOL_GPFLAGS and * %ETHTOOL_SPFLAGS commands; also the number of strings in the * %ETH_SS_PRIV_FLAGS set * @n_stats: Number of u64 statistics returned by the %ETHTOOL_GSTATS * command; also the number of strings in the %ETH_SS_STATS set * @testinfo_len: Number of results returned by the %ETHTOOL_TEST * command; also the number of strings in the %ETH_SS_TEST set * @eedump_len: Size of EEPROM accessible through the %ETHTOOL_GEEPROM * and %ETHTOOL_SEEPROM commands, in bytes * @regdump_len: Size of register dump returned by the %ETHTOOL_GREGS * command, in bytes * * Users can use the %ETHTOOL_GSSET_INFO command to get the number of * strings in any string set (from Linux 2.6.34). * * Drivers should set at most @driver, @version, @fw_version and * @bus_info in their get_drvinfo() implementation. The ethtool * core fills in the other fields using other driver operations. */ struct ethtool_drvinfo { __u32 cmd; char driver[32]; char version[32]; char fw_version[ETHTOOL_FWVERS_LEN]; char bus_info[ETHTOOL_BUSINFO_LEN]; char erom_version[ETHTOOL_EROMVERS_LEN]; char reserved2[12]; __u32 n_priv_flags; __u32 n_stats; __u32 testinfo_len; __u32 eedump_len; __u32 regdump_len; }; #define SOPASS_MAX 6 /** * struct ethtool_wolinfo - Wake-On-Lan configuration * @cmd: Command number = %ETHTOOL_GWOL or %ETHTOOL_SWOL * @supported: Bitmask of %WAKE_* flags for supported Wake-On-Lan modes. * Read-only. * @wolopts: Bitmask of %WAKE_* flags for enabled Wake-On-Lan modes. * @sopass: SecureOn(tm) password; meaningful only if %WAKE_MAGICSECURE * is set in @wolopts. */ struct ethtool_wolinfo { __u32 cmd; __u32 supported; __u32 wolopts; __u8 sopass[SOPASS_MAX]; }; /* for passing single values */ struct ethtool_value { __u32 cmd; __u32 data; }; #define PFC_STORM_PREVENTION_AUTO 0xffff #define PFC_STORM_PREVENTION_DISABLE 0 enum tunable_id { ETHTOOL_ID_UNSPEC, ETHTOOL_RX_COPYBREAK, ETHTOOL_TX_COPYBREAK, ETHTOOL_PFC_PREVENTION_TOUT, /* timeout in msecs */ /* * Add your fresh new tunable attribute above and remember to update * tunable_strings[] in net/core/ethtool.c */ __ETHTOOL_TUNABLE_COUNT, }; enum tunable_type_id { ETHTOOL_TUNABLE_UNSPEC, ETHTOOL_TUNABLE_U8, ETHTOOL_TUNABLE_U16, ETHTOOL_TUNABLE_U32, ETHTOOL_TUNABLE_U64, ETHTOOL_TUNABLE_STRING, ETHTOOL_TUNABLE_S8, ETHTOOL_TUNABLE_S16, ETHTOOL_TUNABLE_S32, ETHTOOL_TUNABLE_S64, }; struct ethtool_tunable { __u32 cmd; __u32 id; __u32 type_id; __u32 len; void *data[0]; }; #define DOWNSHIFT_DEV_DEFAULT_COUNT 0xff #define DOWNSHIFT_DEV_DISABLE 0 enum phy_tunable_id { ETHTOOL_PHY_ID_UNSPEC, ETHTOOL_PHY_DOWNSHIFT, /* * Add your fresh new phy tunable attribute above and remember to update * phy_tunable_strings[] in net/core/ethtool.c */ __ETHTOOL_PHY_TUNABLE_COUNT, }; /** * struct ethtool_regs - hardware register dump * @cmd: Command number = %ETHTOOL_GREGS * @version: Dump format version. This is driver-specific and may * distinguish different chips/revisions. Drivers must use new * version numbers whenever the dump format changes in an * incompatible way. * @len: On entry, the real length of @data. On return, the number of * bytes used. * @data: Buffer for the register dump * * Users should use %ETHTOOL_GDRVINFO to find the maximum length of * a register dump for the interface. They must allocate the buffer * immediately following this structure. */ struct ethtool_regs { __u32 cmd; __u32 version; __u32 len; __u8 data[0]; }; /** * struct ethtool_eeprom - EEPROM dump * @cmd: Command number = %ETHTOOL_GEEPROM, %ETHTOOL_GMODULEEEPROM or * %ETHTOOL_SEEPROM * @magic: A 'magic cookie' value to guard against accidental changes. * The value passed in to %ETHTOOL_SEEPROM must match the value * returned by %ETHTOOL_GEEPROM for the same device. This is * unused when @cmd is %ETHTOOL_GMODULEEEPROM. * @offset: Offset within the EEPROM to begin reading/writing, in bytes * @len: On entry, number of bytes to read/write. On successful * return, number of bytes actually read/written. In case of * error, this may indicate at what point the error occurred. * @data: Buffer to read/write from * * Users may use %ETHTOOL_GDRVINFO or %ETHTOOL_GMODULEINFO to find * the length of an on-board or module EEPROM, respectively. They * must allocate the buffer immediately following this structure. */ struct ethtool_eeprom { __u32 cmd; __u32 magic; __u32 offset; __u32 len; __u8 data[0]; }; /** * struct ethtool_eee - Energy Efficient Ethernet information * @cmd: ETHTOOL_{G,S}EEE * @supported: Mask of %SUPPORTED_* flags for the speed/duplex combinations * for which there is EEE support. * @advertised: Mask of %ADVERTISED_* flags for the speed/duplex combinations * advertised as eee capable. * @lp_advertised: Mask of %ADVERTISED_* flags for the speed/duplex * combinations advertised by the link partner as eee capable. * @eee_active: Result of the eee auto negotiation. * @eee_enabled: EEE configured mode (enabled/disabled). * @tx_lpi_enabled: Whether the interface should assert its tx lpi, given * that eee was negotiated. * @tx_lpi_timer: Time in microseconds the interface delays prior to asserting * its tx lpi (after reaching 'idle' state). Effective only when eee * was negotiated and tx_lpi_enabled was set. */ struct ethtool_eee { __u32 cmd; __u32 supported; __u32 advertised; __u32 lp_advertised; __u32 eee_active; __u32 eee_enabled; __u32 tx_lpi_enabled; __u32 tx_lpi_timer; __u32 reserved[2]; }; /** * struct ethtool_modinfo - plugin module eeprom information * @cmd: %ETHTOOL_GMODULEINFO * @type: Standard the module information conforms to %ETH_MODULE_SFF_xxxx * @eeprom_len: Length of the eeprom * * This structure is used to return the information to * properly size memory for a subsequent call to %ETHTOOL_GMODULEEEPROM. * The type code indicates the eeprom data format */ struct ethtool_modinfo { __u32 cmd; __u32 type; __u32 eeprom_len; __u32 reserved[8]; }; /** * struct ethtool_coalesce - coalescing parameters for IRQs and stats updates * @cmd: ETHTOOL_{G,S}COALESCE * @rx_coalesce_usecs: How many usecs to delay an RX interrupt after * a packet arrives. * @rx_max_coalesced_frames: Maximum number of packets to receive * before an RX interrupt. * @rx_coalesce_usecs_irq: Same as @rx_coalesce_usecs, except that * this value applies while an IRQ is being serviced by the host. * @rx_max_coalesced_frames_irq: Same as @rx_max_coalesced_frames, * except that this value applies while an IRQ is being serviced * by the host. * @tx_coalesce_usecs: How many usecs to delay a TX interrupt after * a packet is sent. * @tx_max_coalesced_frames: Maximum number of packets to be sent * before a TX interrupt. * @tx_coalesce_usecs_irq: Same as @tx_coalesce_usecs, except that * this value applies while an IRQ is being serviced by the host. * @tx_max_coalesced_frames_irq: Same as @tx_max_coalesced_frames, * except that this value applies while an IRQ is being serviced * by the host. * @stats_block_coalesce_usecs: How many usecs to delay in-memory * statistics block updates. Some drivers do not have an * in-memory statistic block, and in such cases this value is * ignored. This value must not be zero. * @use_adaptive_rx_coalesce: Enable adaptive RX coalescing. * @use_adaptive_tx_coalesce: Enable adaptive TX coalescing. * @pkt_rate_low: Threshold for low packet rate (packets per second). * @rx_coalesce_usecs_low: How many usecs to delay an RX interrupt after * a packet arrives, when the packet rate is below @pkt_rate_low. * @rx_max_coalesced_frames_low: Maximum number of packets to be received * before an RX interrupt, when the packet rate is below @pkt_rate_low. * @tx_coalesce_usecs_low: How many usecs to delay a TX interrupt after * a packet is sent, when the packet rate is below @pkt_rate_low. * @tx_max_coalesced_frames_low: Maximum nuumber of packets to be sent before * a TX interrupt, when the packet rate is below @pkt_rate_low. * @pkt_rate_high: Threshold for high packet rate (packets per second). * @rx_coalesce_usecs_high: How many usecs to delay an RX interrupt after * a packet arrives, when the packet rate is above @pkt_rate_high. * @rx_max_coalesced_frames_high: Maximum number of packets to be received * before an RX interrupt, when the packet rate is above @pkt_rate_high. * @tx_coalesce_usecs_high: How many usecs to delay a TX interrupt after * a packet is sent, when the packet rate is above @pkt_rate_high. * @tx_max_coalesced_frames_high: Maximum number of packets to be sent before * a TX interrupt, when the packet rate is above @pkt_rate_high. * @rate_sample_interval: How often to do adaptive coalescing packet rate * sampling, measured in seconds. Must not be zero. * * Each pair of (usecs, max_frames) fields specifies that interrupts * should be coalesced until * (usecs > 0 && time_since_first_completion >= usecs) || * (max_frames > 0 && completed_frames >= max_frames) * * It is illegal to set both usecs and max_frames to zero as this * would cause interrupts to never be generated. To disable * coalescing, set usecs = 0 and max_frames = 1. * * Some implementations ignore the value of max_frames and use the * condition time_since_first_completion >= usecs * * This is deprecated. Drivers for hardware that does not support * counting completions should validate that max_frames == !rx_usecs. * * Adaptive RX/TX coalescing is an algorithm implemented by some * drivers to improve latency under low packet rates and improve * throughput under high packet rates. Some drivers only implement * one of RX or TX adaptive coalescing. Anything not implemented by * the driver causes these values to be silently ignored. * * When the packet rate is below @pkt_rate_high but above * @pkt_rate_low (both measured in packets per second) the * normal {rx,tx}_* coalescing parameters are used. */ struct ethtool_coalesce { __u32 cmd; __u32 rx_coalesce_usecs; __u32 rx_max_coalesced_frames; __u32 rx_coalesce_usecs_irq; __u32 rx_max_coalesced_frames_irq; __u32 tx_coalesce_usecs; __u32 tx_max_coalesced_frames; __u32 tx_coalesce_usecs_irq; __u32 tx_max_coalesced_frames_irq; __u32 stats_block_coalesce_usecs; __u32 use_adaptive_rx_coalesce; __u32 use_adaptive_tx_coalesce; __u32 pkt_rate_low; __u32 rx_coalesce_usecs_low; __u32 rx_max_coalesced_frames_low; __u32 tx_coalesce_usecs_low; __u32 tx_max_coalesced_frames_low; __u32 pkt_rate_high; __u32 rx_coalesce_usecs_high; __u32 rx_max_coalesced_frames_high; __u32 tx_coalesce_usecs_high; __u32 tx_max_coalesced_frames_high; __u32 rate_sample_interval; }; /** * struct ethtool_ringparam - RX/TX ring parameters * @cmd: Command number = %ETHTOOL_GRINGPARAM or %ETHTOOL_SRINGPARAM * @rx_max_pending: Maximum supported number of pending entries per * RX ring. Read-only. * @rx_mini_max_pending: Maximum supported number of pending entries * per RX mini ring. Read-only. * @rx_jumbo_max_pending: Maximum supported number of pending entries * per RX jumbo ring. Read-only. * @tx_max_pending: Maximum supported number of pending entries per * TX ring. Read-only. * @rx_pending: Current maximum number of pending entries per RX ring * @rx_mini_pending: Current maximum number of pending entries per RX * mini ring * @rx_jumbo_pending: Current maximum number of pending entries per RX * jumbo ring * @tx_pending: Current maximum supported number of pending entries * per TX ring * * If the interface does not have separate RX mini and/or jumbo rings, * @rx_mini_max_pending and/or @rx_jumbo_max_pending will be 0. * * There may also be driver-dependent minimum values for the number * of entries per ring. */ struct ethtool_ringparam { __u32 cmd; __u32 rx_max_pending; __u32 rx_mini_max_pending; __u32 rx_jumbo_max_pending; __u32 tx_max_pending; __u32 rx_pending; __u32 rx_mini_pending; __u32 rx_jumbo_pending; __u32 tx_pending; }; /** * struct ethtool_channels - configuring number of network channel * @cmd: ETHTOOL_{G,S}CHANNELS * @max_rx: Read only. Maximum number of receive channel the driver support. * @max_tx: Read only. Maximum number of transmit channel the driver support. * @max_other: Read only. Maximum number of other channel the driver support. * @max_combined: Read only. Maximum number of combined channel the driver * support. Set of queues RX, TX or other. * @rx_count: Valid values are in the range 1 to the max_rx. * @tx_count: Valid values are in the range 1 to the max_tx. * @other_count: Valid values are in the range 1 to the max_other. * @combined_count: Valid values are in the range 1 to the max_combined. * * This can be used to configure RX, TX and other channels. */ struct ethtool_channels { __u32 cmd; __u32 max_rx; __u32 max_tx; __u32 max_other; __u32 max_combined; __u32 rx_count; __u32 tx_count; __u32 other_count; __u32 combined_count; }; /** * struct ethtool_pauseparam - Ethernet pause (flow control) parameters * @cmd: Command number = %ETHTOOL_GPAUSEPARAM or %ETHTOOL_SPAUSEPARAM * @autoneg: Flag to enable autonegotiation of pause frame use * @rx_pause: Flag to enable reception of pause frames * @tx_pause: Flag to enable transmission of pause frames * * Drivers should reject a non-zero setting of @autoneg when * autoneogotiation is disabled (or not supported) for the link. * * If the link is autonegotiated, drivers should use * mii_advertise_flowctrl() or similar code to set the advertised * pause frame capabilities based on the @rx_pause and @tx_pause flags, * even if @autoneg is zero. They should also allow the advertised * pause frame capabilities to be controlled directly through the * advertising field of &struct ethtool_cmd. * * If @autoneg is non-zero, the MAC is configured to send and/or * receive pause frames according to the result of autonegotiation. * Otherwise, it is configured directly based on the @rx_pause and * @tx_pause flags. */ struct ethtool_pauseparam { __u32 cmd; __u32 autoneg; __u32 rx_pause; __u32 tx_pause; }; #define ETH_GSTRING_LEN 32 /** * enum ethtool_stringset - string set ID * @ETH_SS_TEST: Self-test result names, for use with %ETHTOOL_TEST * @ETH_SS_STATS: Statistic names, for use with %ETHTOOL_GSTATS * @ETH_SS_PRIV_FLAGS: Driver private flag names, for use with * %ETHTOOL_GPFLAGS and %ETHTOOL_SPFLAGS * @ETH_SS_NTUPLE_FILTERS: Previously used with %ETHTOOL_GRXNTUPLE; * now deprecated * @ETH_SS_FEATURES: Device feature names * @ETH_SS_RSS_HASH_FUNCS: RSS hush function names * @ETH_SS_PHY_STATS: Statistic names, for use with %ETHTOOL_GPHYSTATS * @ETH_SS_PHY_TUNABLES: PHY tunable names */ enum ethtool_stringset { ETH_SS_TEST = 0, ETH_SS_STATS, ETH_SS_PRIV_FLAGS, ETH_SS_NTUPLE_FILTERS, ETH_SS_FEATURES, ETH_SS_RSS_HASH_FUNCS, ETH_SS_TUNABLES, ETH_SS_PHY_STATS, ETH_SS_PHY_TUNABLES, }; /** * struct ethtool_gstrings - string set for data tagging * @cmd: Command number = %ETHTOOL_GSTRINGS * @string_set: String set ID; one of &enum ethtool_stringset * @len: On return, the number of strings in the string set * @data: Buffer for strings. Each string is null-padded to a size of * %ETH_GSTRING_LEN. * * Users must use %ETHTOOL_GSSET_INFO to find the number of strings in * the string set. They must allocate a buffer of the appropriate * size immediately following this structure. */ struct ethtool_gstrings { __u32 cmd; __u32 string_set; __u32 len; __u8 data[0]; }; /** * struct ethtool_sset_info - string set information * @cmd: Command number = %ETHTOOL_GSSET_INFO * @sset_mask: On entry, a bitmask of string sets to query, with bits * numbered according to &enum ethtool_stringset. On return, a * bitmask of those string sets queried that are supported. * @data: Buffer for string set sizes. On return, this contains the * size of each string set that was queried and supported, in * order of ID. * * Example: The user passes in @sset_mask = 0x7 (sets 0, 1, 2) and on * return @sset_mask == 0x6 (sets 1, 2). Then @data[0] contains the * size of set 1 and @data[1] contains the size of set 2. * * Users must allocate a buffer of the appropriate size (4 * number of * sets queried) immediately following this structure. */ struct ethtool_sset_info { __u32 cmd; __u32 reserved; __u64 sset_mask; __u32 data[0]; }; /** * enum ethtool_test_flags - flags definition of ethtool_test * @ETH_TEST_FL_OFFLINE: if set perform online and offline tests, otherwise * only online tests. * @ETH_TEST_FL_FAILED: Driver set this flag if test fails. * @ETH_TEST_FL_EXTERNAL_LB: Application request to perform external loopback * test. * @ETH_TEST_FL_EXTERNAL_LB_DONE: Driver performed the external loopback test */ enum ethtool_test_flags { ETH_TEST_FL_OFFLINE = (1 << 0), ETH_TEST_FL_FAILED = (1 << 1), ETH_TEST_FL_EXTERNAL_LB = (1 << 2), ETH_TEST_FL_EXTERNAL_LB_DONE = (1 << 3), }; /** * struct ethtool_test - device self-test invocation * @cmd: Command number = %ETHTOOL_TEST * @flags: A bitmask of flags from &enum ethtool_test_flags. Some * flags may be set by the user on entry; others may be set by * the driver on return. * @len: On return, the number of test results * @data: Array of test results * * Users must use %ETHTOOL_GSSET_INFO or %ETHTOOL_GDRVINFO to find the * number of test results that will be returned. They must allocate a * buffer of the appropriate size (8 * number of results) immediately * following this structure. */ struct ethtool_test { __u32 cmd; __u32 flags; __u32 reserved; __u32 len; __u64 data[0]; }; /** * struct ethtool_stats - device-specific statistics * @cmd: Command number = %ETHTOOL_GSTATS * @n_stats: On return, the number of statistics * @data: Array of statistics * * Users must use %ETHTOOL_GSSET_INFO or %ETHTOOL_GDRVINFO to find the * number of statistics that will be returned. They must allocate a * buffer of the appropriate size (8 * number of statistics) * immediately following this structure. */ struct ethtool_stats { __u32 cmd; __u32 n_stats; __u64 data[0]; }; /** * struct ethtool_perm_addr - permanent hardware address * @cmd: Command number = %ETHTOOL_GPERMADDR * @size: On entry, the size of the buffer. On return, the size of the * address. The command fails if the buffer is too small. * @data: Buffer for the address * * Users must allocate the buffer immediately following this structure. * A buffer size of %MAX_ADDR_LEN should be sufficient for any address * type. */ struct ethtool_perm_addr { __u32 cmd; __u32 size; __u8 data[0]; }; /* boolean flags controlling per-interface behavior characteristics. * When reading, the flag indicates whether or not a certain behavior * is enabled/present. When writing, the flag indicates whether * or not the driver should turn on (set) or off (clear) a behavior. * * Some behaviors may read-only (unconditionally absent or present). * If such is the case, return EINVAL in the set-flags operation if the * flag differs from the read-only value. */ enum ethtool_flags { ETH_FLAG_TXVLAN = (1 << 7), /* TX VLAN offload enabled */ ETH_FLAG_RXVLAN = (1 << 8), /* RX VLAN offload enabled */ ETH_FLAG_LRO = (1 << 15), /* LRO is enabled */ ETH_FLAG_NTUPLE = (1 << 27), /* N-tuple filters enabled */ ETH_FLAG_RXHASH = (1 << 28), }; /* The following structures are for supporting RX network flow * classification and RX n-tuple configuration. Note, all multibyte * fields, e.g., ip4src, ip4dst, psrc, pdst, spi, etc. are expected to * be in network byte order. */ /** * struct ethtool_tcpip4_spec - flow specification for TCP/IPv4 etc. * @ip4src: Source host * @ip4dst: Destination host * @psrc: Source port * @pdst: Destination port * @tos: Type-of-service * * This can be used to specify a TCP/IPv4, UDP/IPv4 or SCTP/IPv4 flow. */ struct ethtool_tcpip4_spec { __be32 ip4src; __be32 ip4dst; __be16 psrc; __be16 pdst; __u8 tos; }; /** * struct ethtool_ah_espip4_spec - flow specification for IPsec/IPv4 * @ip4src: Source host * @ip4dst: Destination host * @spi: Security parameters index * @tos: Type-of-service * * This can be used to specify an IPsec transport or tunnel over IPv4. */ struct ethtool_ah_espip4_spec { __be32 ip4src; __be32 ip4dst; __be32 spi; __u8 tos; }; #define ETH_RX_NFC_IP4 1 /** * struct ethtool_usrip4_spec - general flow specification for IPv4 * @ip4src: Source host * @ip4dst: Destination host * @l4_4_bytes: First 4 bytes of transport (layer 4) header * @tos: Type-of-service * @ip_ver: Value must be %ETH_RX_NFC_IP4; mask must be 0 * @proto: Transport protocol number; mask must be 0 */ struct ethtool_usrip4_spec { __be32 ip4src; __be32 ip4dst; __be32 l4_4_bytes; __u8 tos; __u8 ip_ver; __u8 proto; }; /** * struct ethtool_tcpip6_spec - flow specification for TCP/IPv6 etc. * @ip6src: Source host * @ip6dst: Destination host * @psrc: Source port * @pdst: Destination port * @tclass: Traffic Class * * This can be used to specify a TCP/IPv6, UDP/IPv6 or SCTP/IPv6 flow. */ struct ethtool_tcpip6_spec { __be32 ip6src[4]; __be32 ip6dst[4]; __be16 psrc; __be16 pdst; __u8 tclass; }; /** * struct ethtool_ah_espip6_spec - flow specification for IPsec/IPv6 * @ip6src: Source host * @ip6dst: Destination host * @spi: Security parameters index * @tclass: Traffic Class * * This can be used to specify an IPsec transport or tunnel over IPv6. */ struct ethtool_ah_espip6_spec { __be32 ip6src[4]; __be32 ip6dst[4]; __be32 spi; __u8 tclass; }; /** * struct ethtool_usrip6_spec - general flow specification for IPv6 * @ip6src: Source host * @ip6dst: Destination host * @l4_4_bytes: First 4 bytes of transport (layer 4) header * @tclass: Traffic Class * @l4_proto: Transport protocol number (nexthdr after any Extension Headers) */ struct ethtool_usrip6_spec { __be32 ip6src[4]; __be32 ip6dst[4]; __be32 l4_4_bytes; __u8 tclass; __u8 l4_proto; }; union ethtool_flow_union { struct ethtool_tcpip4_spec tcp_ip4_spec; struct ethtool_tcpip4_spec udp_ip4_spec; struct ethtool_tcpip4_spec sctp_ip4_spec; struct ethtool_ah_espip4_spec ah_ip4_spec; struct ethtool_ah_espip4_spec esp_ip4_spec; struct ethtool_usrip4_spec usr_ip4_spec; struct ethtool_tcpip6_spec tcp_ip6_spec; struct ethtool_tcpip6_spec udp_ip6_spec; struct ethtool_tcpip6_spec sctp_ip6_spec; struct ethtool_ah_espip6_spec ah_ip6_spec; struct ethtool_ah_espip6_spec esp_ip6_spec; struct ethtool_usrip6_spec usr_ip6_spec; struct ethhdr ether_spec; __u8 hdata[52]; }; /** * struct ethtool_flow_ext - additional RX flow fields * @h_dest: destination MAC address * @vlan_etype: VLAN EtherType * @vlan_tci: VLAN tag control information * @data: user defined data * * Note, @vlan_etype, @vlan_tci, and @data are only valid if %FLOW_EXT * is set in &struct ethtool_rx_flow_spec @flow_type. * @h_dest is valid if %FLOW_MAC_EXT is set. */ struct ethtool_flow_ext { __u8 padding[2]; unsigned char h_dest[ETH_ALEN]; __be16 vlan_etype; __be16 vlan_tci; __be32 data[2]; }; /** * struct ethtool_rx_flow_spec - classification rule for RX flows * @flow_type: Type of match to perform, e.g. %TCP_V4_FLOW * @h_u: Flow fields to match (dependent on @flow_type) * @h_ext: Additional fields to match * @m_u: Masks for flow field bits to be matched * @m_ext: Masks for additional field bits to be matched * Note, all additional fields must be ignored unless @flow_type * includes the %FLOW_EXT or %FLOW_MAC_EXT flag * (see &struct ethtool_flow_ext description). * @ring_cookie: RX ring/queue index to deliver to, or %RX_CLS_FLOW_DISC * if packets should be discarded, or %RX_CLS_FLOW_WAKE if the * packets should be used for Wake-on-LAN with %WAKE_FILTER * @location: Location of rule in the table. Locations must be * numbered such that a flow matching multiple rules will be * classified according to the first (lowest numbered) rule. */ struct ethtool_rx_flow_spec { __u32 flow_type; union ethtool_flow_union h_u; struct ethtool_flow_ext h_ext; union ethtool_flow_union m_u; struct ethtool_flow_ext m_ext; __u64 ring_cookie; __u32 location; }; /* How rings are layed out when accessing virtual functions or * offloaded queues is device specific. To allow users to do flow * steering and specify these queues the ring cookie is partitioned * into a 32bit queue index with an 8 bit virtual function id. * This also leaves the 3bytes for further specifiers. It is possible * future devices may support more than 256 virtual functions if * devices start supporting PCIe w/ARI. However at the moment I * do not know of any devices that support this so I do not reserve * space for this at this time. If a future patch consumes the next * byte it should be aware of this possiblity. */ #define ETHTOOL_RX_FLOW_SPEC_RING 0x00000000FFFFFFFFLL #define ETHTOOL_RX_FLOW_SPEC_RING_VF 0x000000FF00000000LL #define ETHTOOL_RX_FLOW_SPEC_RING_VF_OFF 32 static __inline__ __u64 ethtool_get_flow_spec_ring(__u64 ring_cookie) { return ETHTOOL_RX_FLOW_SPEC_RING & ring_cookie; } static __inline__ __u64 ethtool_get_flow_spec_ring_vf(__u64 ring_cookie) { return (ETHTOOL_RX_FLOW_SPEC_RING_VF & ring_cookie) >> ETHTOOL_RX_FLOW_SPEC_RING_VF_OFF; } /** * struct ethtool_rxnfc - command to get or set RX flow classification rules * @cmd: Specific command number - %ETHTOOL_GRXFH, %ETHTOOL_SRXFH, * %ETHTOOL_GRXRINGS, %ETHTOOL_GRXCLSRLCNT, %ETHTOOL_GRXCLSRULE, * %ETHTOOL_GRXCLSRLALL, %ETHTOOL_SRXCLSRLDEL or %ETHTOOL_SRXCLSRLINS * @flow_type: Type of flow to be affected, e.g. %TCP_V4_FLOW * @data: Command-dependent value * @fs: Flow classification rule * @rss_context: RSS context to be affected * @rule_cnt: Number of rules to be affected * @rule_locs: Array of used rule locations * * For %ETHTOOL_GRXFH and %ETHTOOL_SRXFH, @data is a bitmask indicating * the fields included in the flow hash, e.g. %RXH_IP_SRC. The following * structure fields must not be used, except that if @flow_type includes * the %FLOW_RSS flag, then @rss_context determines which RSS context to * act on. * * For %ETHTOOL_GRXRINGS, @data is set to the number of RX rings/queues * on return. * * For %ETHTOOL_GRXCLSRLCNT, @rule_cnt is set to the number of defined * rules on return. If @data is non-zero on return then it is the * size of the rule table, plus the flag %RX_CLS_LOC_SPECIAL if the * driver supports any special location values. If that flag is not * set in @data then special location values should not be used. * * For %ETHTOOL_GRXCLSRULE, @fs.@location specifies the location of an * existing rule on entry and @fs contains the rule on return; if * @fs.@flow_type includes the %FLOW_RSS flag, then @rss_context is * filled with the RSS context ID associated with the rule. * * For %ETHTOOL_GRXCLSRLALL, @rule_cnt specifies the array size of the * user buffer for @rule_locs on entry. On return, @data is the size * of the rule table, @rule_cnt is the number of defined rules, and * @rule_locs contains the locations of the defined rules. Drivers * must use the second parameter to get_rxnfc() instead of @rule_locs. * * For %ETHTOOL_SRXCLSRLINS, @fs specifies the rule to add or update. * @fs.@location either specifies the location to use or is a special * location value with %RX_CLS_LOC_SPECIAL flag set. On return, * @fs.@location is the actual rule location. If @fs.@flow_type * includes the %FLOW_RSS flag, @rss_context is the RSS context ID to * use for flow spreading traffic which matches this rule. The value * from the rxfh indirection table will be added to @fs.@ring_cookie * to choose which ring to deliver to. * * For %ETHTOOL_SRXCLSRLDEL, @fs.@location specifies the location of an * existing rule on entry. * * A driver supporting the special location values for * %ETHTOOL_SRXCLSRLINS may add the rule at any suitable unused * location, and may remove a rule at a later location (lower * priority) that matches exactly the same set of flows. The special * values are %RX_CLS_LOC_ANY, selecting any location; * %RX_CLS_LOC_FIRST, selecting the first suitable location (maximum * priority); and %RX_CLS_LOC_LAST, selecting the last suitable * location (minimum priority). Additional special values may be * defined in future and drivers must return -%EINVAL for any * unrecognised value. */ struct ethtool_rxnfc { __u32 cmd; __u32 flow_type; __u64 data; struct ethtool_rx_flow_spec fs; union { __u32 rule_cnt; __u32 rss_context; }; __u32 rule_locs[0]; }; /** * struct ethtool_rxfh_indir - command to get or set RX flow hash indirection * @cmd: Specific command number - %ETHTOOL_GRXFHINDIR or %ETHTOOL_SRXFHINDIR * @size: On entry, the array size of the user buffer, which may be zero. * On return from %ETHTOOL_GRXFHINDIR, the array size of the hardware * indirection table. * @ring_index: RX ring/queue index for each hash value * * For %ETHTOOL_GRXFHINDIR, a @size of zero means that only the size * should be returned. For %ETHTOOL_SRXFHINDIR, a @size of zero means * the table should be reset to default values. This last feature * is not supported by the original implementations. */ struct ethtool_rxfh_indir { __u32 cmd; __u32 size; __u32 ring_index[0]; }; /** * struct ethtool_rxfh - command to get/set RX flow hash indir or/and hash key. * @cmd: Specific command number - %ETHTOOL_GRSSH or %ETHTOOL_SRSSH * @rss_context: RSS context identifier. Context 0 is the default for normal * traffic; other contexts can be referenced as the destination for RX flow * classification rules. %ETH_RXFH_CONTEXT_ALLOC is used with command * %ETHTOOL_SRSSH to allocate a new RSS context; on return this field will * contain the ID of the newly allocated context. * @indir_size: On entry, the array size of the user buffer for the * indirection table, which may be zero, or (for %ETHTOOL_SRSSH), * %ETH_RXFH_INDIR_NO_CHANGE. On return from %ETHTOOL_GRSSH, * the array size of the hardware indirection table. * @key_size: On entry, the array size of the user buffer for the hash key, * which may be zero. On return from %ETHTOOL_GRSSH, the size of the * hardware hash key. * @hfunc: Defines the current RSS hash function used by HW (or to be set to). * Valid values are one of the %ETH_RSS_HASH_*. * @rsvd: Reserved for future extensions. * @rss_config: RX ring/queue index for each hash value i.e., indirection table * of @indir_size __u32 elements, followed by hash key of @key_size * bytes. * * For %ETHTOOL_GRSSH, a @indir_size and key_size of zero means that only the * size should be returned. For %ETHTOOL_SRSSH, an @indir_size of * %ETH_RXFH_INDIR_NO_CHANGE means that indir table setting is not requested * and a @indir_size of zero means the indir table should be reset to default * values (if @rss_context == 0) or that the RSS context should be deleted. * An hfunc of zero means that hash function setting is not requested. */ struct ethtool_rxfh { __u32 cmd; __u32 rss_context; __u32 indir_size; __u32 key_size; __u8 hfunc; __u8 rsvd8[3]; __u32 rsvd32; __u32 rss_config[0]; }; #define ETH_RXFH_CONTEXT_ALLOC 0xffffffff #define ETH_RXFH_INDIR_NO_CHANGE 0xffffffff /** * struct ethtool_rx_ntuple_flow_spec - specification for RX flow filter * @flow_type: Type of match to perform, e.g. %TCP_V4_FLOW * @h_u: Flow field values to match (dependent on @flow_type) * @m_u: Masks for flow field value bits to be ignored * @vlan_tag: VLAN tag to match * @vlan_tag_mask: Mask for VLAN tag bits to be ignored * @data: Driver-dependent data to match * @data_mask: Mask for driver-dependent data bits to be ignored * @action: RX ring/queue index to deliver to (non-negative) or other action * (negative, e.g. %ETHTOOL_RXNTUPLE_ACTION_DROP) * * For flow types %TCP_V4_FLOW, %UDP_V4_FLOW and %SCTP_V4_FLOW, where * a field value and mask are both zero this is treated as if all mask * bits are set i.e. the field is ignored. */ struct ethtool_rx_ntuple_flow_spec { __u32 flow_type; union { struct ethtool_tcpip4_spec tcp_ip4_spec; struct ethtool_tcpip4_spec udp_ip4_spec; struct ethtool_tcpip4_spec sctp_ip4_spec; struct ethtool_ah_espip4_spec ah_ip4_spec; struct ethtool_ah_espip4_spec esp_ip4_spec; struct ethtool_usrip4_spec usr_ip4_spec; struct ethhdr ether_spec; __u8 hdata[72]; } h_u, m_u; __u16 vlan_tag; __u16 vlan_tag_mask; __u64 data; __u64 data_mask; __s32 action; #define ETHTOOL_RXNTUPLE_ACTION_DROP (-1) /* drop packet */ #define ETHTOOL_RXNTUPLE_ACTION_CLEAR (-2) /* clear filter */ }; /** * struct ethtool_rx_ntuple - command to set or clear RX flow filter * @cmd: Command number - %ETHTOOL_SRXNTUPLE * @fs: Flow filter specification */ struct ethtool_rx_ntuple { __u32 cmd; struct ethtool_rx_ntuple_flow_spec fs; }; #define ETHTOOL_FLASH_MAX_FILENAME 128 enum ethtool_flash_op_type { ETHTOOL_FLASH_ALL_REGIONS = 0, }; /* for passing firmware flashing related parameters */ struct ethtool_flash { __u32 cmd; __u32 region; char data[ETHTOOL_FLASH_MAX_FILENAME]; }; /** * struct ethtool_dump - used for retrieving, setting device dump * @cmd: Command number - %ETHTOOL_GET_DUMP_FLAG, %ETHTOOL_GET_DUMP_DATA, or * %ETHTOOL_SET_DUMP * @version: FW version of the dump, filled in by driver * @flag: driver dependent flag for dump setting, filled in by driver during * get and filled in by ethtool for set operation. * flag must be initialized by macro ETH_FW_DUMP_DISABLE value when * firmware dump is disabled. * @len: length of dump data, used as the length of the user buffer on entry to * %ETHTOOL_GET_DUMP_DATA and this is returned as dump length by driver * for %ETHTOOL_GET_DUMP_FLAG command * @data: data collected for get dump data operation */ struct ethtool_dump { __u32 cmd; __u32 version; __u32 flag; __u32 len; __u8 data[0]; }; #define ETH_FW_DUMP_DISABLE 0 /* for returning and changing feature sets */ /** * struct ethtool_get_features_block - block with state of 32 features * @available: mask of changeable features * @requested: mask of features requested to be enabled if possible * @active: mask of currently enabled features * @never_changed: mask of features not changeable for any device */ struct ethtool_get_features_block { __u32 available; __u32 requested; __u32 active; __u32 never_changed; }; /** * struct ethtool_gfeatures - command to get state of device's features * @cmd: command number = %ETHTOOL_GFEATURES * @size: On entry, the number of elements in the features[] array; * on return, the number of elements in features[] needed to hold * all features * @features: state of features */ struct ethtool_gfeatures { __u32 cmd; __u32 size; struct ethtool_get_features_block features[0]; }; /** * struct ethtool_set_features_block - block with request for 32 features * @valid: mask of features to be changed * @requested: values of features to be changed */ struct ethtool_set_features_block { __u32 valid; __u32 requested; }; /** * struct ethtool_sfeatures - command to request change in device's features * @cmd: command number = %ETHTOOL_SFEATURES * @size: array size of the features[] array * @features: feature change masks */ struct ethtool_sfeatures { __u32 cmd; __u32 size; struct ethtool_set_features_block features[0]; }; /** * struct ethtool_ts_info - holds a device's timestamping and PHC association * @cmd: command number = %ETHTOOL_GET_TS_INFO * @so_timestamping: bit mask of the sum of the supported SO_TIMESTAMPING flags * @phc_index: device index of the associated PHC, or -1 if there is none * @tx_types: bit mask of the supported hwtstamp_tx_types enumeration values * @rx_filters: bit mask of the supported hwtstamp_rx_filters enumeration values * * The bits in the 'tx_types' and 'rx_filters' fields correspond to * the 'hwtstamp_tx_types' and 'hwtstamp_rx_filters' enumeration values, * respectively. For example, if the device supports HWTSTAMP_TX_ON, * then (1 << HWTSTAMP_TX_ON) in 'tx_types' will be set. * * Drivers should only report the filters they actually support without * upscaling in the SIOCSHWTSTAMP ioctl. If the SIOCSHWSTAMP request for * HWTSTAMP_FILTER_V1_SYNC is supported by HWTSTAMP_FILTER_V1_EVENT, then the * driver should only report HWTSTAMP_FILTER_V1_EVENT in this op. */ struct ethtool_ts_info { __u32 cmd; __u32 so_timestamping; __s32 phc_index; __u32 tx_types; __u32 tx_reserved[3]; __u32 rx_filters; __u32 rx_reserved[3]; }; /* * %ETHTOOL_SFEATURES changes features present in features[].valid to the * values of corresponding bits in features[].requested. Bits in .requested * not set in .valid or not changeable are ignored. * * Returns %EINVAL when .valid contains undefined or never-changeable bits * or size is not equal to required number of features words (32-bit blocks). * Returns >= 0 if request was completed; bits set in the value mean: * %ETHTOOL_F_UNSUPPORTED - there were bits set in .valid that are not * changeable (not present in %ETHTOOL_GFEATURES' features[].available) * those bits were ignored. * %ETHTOOL_F_WISH - some or all changes requested were recorded but the * resulting state of bits masked by .valid is not equal to .requested. * Probably there are other device-specific constraints on some features * in the set. When %ETHTOOL_F_UNSUPPORTED is set, .valid is considered * here as though ignored bits were cleared. * %ETHTOOL_F_COMPAT - some or all changes requested were made by calling * compatibility functions. Requested offload state cannot be properly * managed by kernel. * * Meaning of bits in the masks are obtained by %ETHTOOL_GSSET_INFO (number of * bits in the arrays - always multiple of 32) and %ETHTOOL_GSTRINGS commands * for ETH_SS_FEATURES string set. First entry in the table corresponds to least * significant bit in features[0] fields. Empty strings mark undefined features. */ enum ethtool_sfeatures_retval_bits { ETHTOOL_F_UNSUPPORTED__BIT, ETHTOOL_F_WISH__BIT, ETHTOOL_F_COMPAT__BIT, }; #define ETHTOOL_F_UNSUPPORTED (1 << ETHTOOL_F_UNSUPPORTED__BIT) #define ETHTOOL_F_WISH (1 << ETHTOOL_F_WISH__BIT) #define ETHTOOL_F_COMPAT (1 << ETHTOOL_F_COMPAT__BIT) #define MAX_NUM_QUEUE 4096 /** * struct ethtool_per_queue_op - apply sub command to the queues in mask. * @cmd: ETHTOOL_PERQUEUE * @sub_command: the sub command which apply to each queues * @queue_mask: Bitmap of the queues which sub command apply to * @data: A complete command structure following for each of the queues addressed */ struct ethtool_per_queue_op { __u32 cmd; __u32 sub_command; __u32 queue_mask[__KERNEL_DIV_ROUND_UP(MAX_NUM_QUEUE, 32)]; char data[]; }; /** * struct ethtool_fecparam - Ethernet forward error correction(fec) parameters * @cmd: Command number = %ETHTOOL_GFECPARAM or %ETHTOOL_SFECPARAM * @active_fec: FEC mode which is active on porte * @fec: Bitmask of supported/configured FEC modes * @rsvd: Reserved for future extensions. i.e FEC bypass feature. * * Drivers should reject a non-zero setting of @autoneg when * autoneogotiation is disabled (or not supported) for the link. * */ struct ethtool_fecparam { __u32 cmd; /* bitmask of FEC modes */ __u32 active_fec; __u32 fec; __u32 reserved; }; /** * enum ethtool_fec_config_bits - flags definition of ethtool_fec_configuration * @ETHTOOL_FEC_NONE: FEC mode configuration is not supported * @ETHTOOL_FEC_AUTO: Default/Best FEC mode provided by driver * @ETHTOOL_FEC_OFF: No FEC Mode * @ETHTOOL_FEC_RS: Reed-Solomon Forward Error Detection mode * @ETHTOOL_FEC_BASER: Base-R/Reed-Solomon Forward Error Detection mode */ enum ethtool_fec_config_bits { ETHTOOL_FEC_NONE_BIT, ETHTOOL_FEC_AUTO_BIT, ETHTOOL_FEC_OFF_BIT, ETHTOOL_FEC_RS_BIT, ETHTOOL_FEC_BASER_BIT, }; #define ETHTOOL_FEC_NONE (1 << ETHTOOL_FEC_NONE_BIT) #define ETHTOOL_FEC_AUTO (1 << ETHTOOL_FEC_AUTO_BIT) #define ETHTOOL_FEC_OFF (1 << ETHTOOL_FEC_OFF_BIT) #define ETHTOOL_FEC_RS (1 << ETHTOOL_FEC_RS_BIT) #define ETHTOOL_FEC_BASER (1 << ETHTOOL_FEC_BASER_BIT) /* CMDs currently supported */ #define ETHTOOL_GSET 0x00000001 /* DEPRECATED, Get settings. * Please use ETHTOOL_GLINKSETTINGS */ #define ETHTOOL_SSET 0x00000002 /* DEPRECATED, Set settings. * Please use ETHTOOL_SLINKSETTINGS */ #define ETHTOOL_GDRVINFO 0x00000003 /* Get driver info. */ #define ETHTOOL_GREGS 0x00000004 /* Get NIC registers. */ #define ETHTOOL_GWOL 0x00000005 /* Get wake-on-lan options. */ #define ETHTOOL_SWOL 0x00000006 /* Set wake-on-lan options. */ #define ETHTOOL_GMSGLVL 0x00000007 /* Get driver message level */ #define ETHTOOL_SMSGLVL 0x00000008 /* Set driver msg level. */ #define ETHTOOL_NWAY_RST 0x00000009 /* Restart autonegotiation. */ /* Get link status for host, i.e. whether the interface *and* the * physical port (if there is one) are up (ethtool_value). */ #define ETHTOOL_GLINK 0x0000000a #define ETHTOOL_GEEPROM 0x0000000b /* Get EEPROM data */ #define ETHTOOL_SEEPROM 0x0000000c /* Set EEPROM data. */ #define ETHTOOL_GCOALESCE 0x0000000e /* Get coalesce config */ #define ETHTOOL_SCOALESCE 0x0000000f /* Set coalesce config. */ #define ETHTOOL_GRINGPARAM 0x00000010 /* Get ring parameters */ #define ETHTOOL_SRINGPARAM 0x00000011 /* Set ring parameters. */ #define ETHTOOL_GPAUSEPARAM 0x00000012 /* Get pause parameters */ #define ETHTOOL_SPAUSEPARAM 0x00000013 /* Set pause parameters. */ #define ETHTOOL_GRXCSUM 0x00000014 /* Get RX hw csum enable (ethtool_value) */ #define ETHTOOL_SRXCSUM 0x00000015 /* Set RX hw csum enable (ethtool_value) */ #define ETHTOOL_GTXCSUM 0x00000016 /* Get TX hw csum enable (ethtool_value) */ #define ETHTOOL_STXCSUM 0x00000017 /* Set TX hw csum enable (ethtool_value) */ #define ETHTOOL_GSG 0x00000018 /* Get scatter-gather enable * (ethtool_value) */ #define ETHTOOL_SSG 0x00000019 /* Set scatter-gather enable * (ethtool_value). */ #define ETHTOOL_TEST 0x0000001a /* execute NIC self-test. */ #define ETHTOOL_GSTRINGS 0x0000001b /* get specified string set */ #define ETHTOOL_PHYS_ID 0x0000001c /* identify the NIC */ #define ETHTOOL_GSTATS 0x0000001d /* get NIC-specific statistics */ #define ETHTOOL_GTSO 0x0000001e /* Get TSO enable (ethtool_value) */ #define ETHTOOL_STSO 0x0000001f /* Set TSO enable (ethtool_value) */ #define ETHTOOL_GPERMADDR 0x00000020 /* Get permanent hardware address */ #define ETHTOOL_GUFO 0x00000021 /* Get UFO enable (ethtool_value) */ #define ETHTOOL_SUFO 0x00000022 /* Set UFO enable (ethtool_value) */ #define ETHTOOL_GGSO 0x00000023 /* Get GSO enable (ethtool_value) */ #define ETHTOOL_SGSO 0x00000024 /* Set GSO enable (ethtool_value) */ #define ETHTOOL_GFLAGS 0x00000025 /* Get flags bitmap(ethtool_value) */ #define ETHTOOL_SFLAGS 0x00000026 /* Set flags bitmap(ethtool_value) */ #define ETHTOOL_GPFLAGS 0x00000027 /* Get driver-private flags bitmap */ #define ETHTOOL_SPFLAGS 0x00000028 /* Set driver-private flags bitmap */ #define ETHTOOL_GRXFH 0x00000029 /* Get RX flow hash configuration */ #define ETHTOOL_SRXFH 0x0000002a /* Set RX flow hash configuration */ #define ETHTOOL_GGRO 0x0000002b /* Get GRO enable (ethtool_value) */ #define ETHTOOL_SGRO 0x0000002c /* Set GRO enable (ethtool_value) */ #define ETHTOOL_GRXRINGS 0x0000002d /* Get RX rings available for LB */ #define ETHTOOL_GRXCLSRLCNT 0x0000002e /* Get RX class rule count */ #define ETHTOOL_GRXCLSRULE 0x0000002f /* Get RX classification rule */ #define ETHTOOL_GRXCLSRLALL 0x00000030 /* Get all RX classification rule */ #define ETHTOOL_SRXCLSRLDEL 0x00000031 /* Delete RX classification rule */ #define ETHTOOL_SRXCLSRLINS 0x00000032 /* Insert RX classification rule */ #define ETHTOOL_FLASHDEV 0x00000033 /* Flash firmware to device */ #define ETHTOOL_RESET 0x00000034 /* Reset hardware */ #define ETHTOOL_SRXNTUPLE 0x00000035 /* Add an n-tuple filter to device */ #define ETHTOOL_GRXNTUPLE 0x00000036 /* deprecated */ #define ETHTOOL_GSSET_INFO 0x00000037 /* Get string set info */ #define ETHTOOL_GRXFHINDIR 0x00000038 /* Get RX flow hash indir'n table */ #define ETHTOOL_SRXFHINDIR 0x00000039 /* Set RX flow hash indir'n table */ #define ETHTOOL_GFEATURES 0x0000003a /* Get device offload settings */ #define ETHTOOL_SFEATURES 0x0000003b /* Change device offload settings */ #define ETHTOOL_GCHANNELS 0x0000003c /* Get no of channels */ #define ETHTOOL_SCHANNELS 0x0000003d /* Set no of channels */ #define ETHTOOL_SET_DUMP 0x0000003e /* Set dump settings */ #define ETHTOOL_GET_DUMP_FLAG 0x0000003f /* Get dump settings */ #define ETHTOOL_GET_DUMP_DATA 0x00000040 /* Get dump data */ #define ETHTOOL_GET_TS_INFO 0x00000041 /* Get time stamping and PHC info */ #define ETHTOOL_GMODULEINFO 0x00000042 /* Get plug-in module information */ #define ETHTOOL_GMODULEEEPROM 0x00000043 /* Get plug-in module eeprom */ #define ETHTOOL_GEEE 0x00000044 /* Get EEE settings */ #define ETHTOOL_SEEE 0x00000045 /* Set EEE settings */ #define ETHTOOL_GRSSH 0x00000046 /* Get RX flow hash configuration */ #define ETHTOOL_SRSSH 0x00000047 /* Set RX flow hash configuration */ #define ETHTOOL_GTUNABLE 0x00000048 /* Get tunable configuration */ #define ETHTOOL_STUNABLE 0x00000049 /* Set tunable configuration */ #define ETHTOOL_GPHYSTATS 0x0000004a /* get PHY-specific statistics */ #define ETHTOOL_PERQUEUE 0x0000004b /* Set per queue options */ #define ETHTOOL_GLINKSETTINGS 0x0000004c /* Get ethtool_link_settings */ #define ETHTOOL_SLINKSETTINGS 0x0000004d /* Set ethtool_link_settings */ #define ETHTOOL_PHY_GTUNABLE 0x0000004e /* Get PHY tunable configuration */ #define ETHTOOL_PHY_STUNABLE 0x0000004f /* Set PHY tunable configuration */ #define ETHTOOL_GFECPARAM 0x00000050 /* Get FEC settings */ #define ETHTOOL_SFECPARAM 0x00000051 /* Set FEC settings */ /* compatibility with older code */ #define SPARC_ETH_GSET ETHTOOL_GSET #define SPARC_ETH_SSET ETHTOOL_SSET /* Link mode bit indices */ enum ethtool_link_mode_bit_indices { ETHTOOL_LINK_MODE_10baseT_Half_BIT = 0, ETHTOOL_LINK_MODE_10baseT_Full_BIT = 1, ETHTOOL_LINK_MODE_100baseT_Half_BIT = 2, ETHTOOL_LINK_MODE_100baseT_Full_BIT = 3, ETHTOOL_LINK_MODE_1000baseT_Half_BIT = 4, ETHTOOL_LINK_MODE_1000baseT_Full_BIT = 5, ETHTOOL_LINK_MODE_Autoneg_BIT = 6, ETHTOOL_LINK_MODE_TP_BIT = 7, ETHTOOL_LINK_MODE_AUI_BIT = 8, ETHTOOL_LINK_MODE_MII_BIT = 9, ETHTOOL_LINK_MODE_FIBRE_BIT = 10, ETHTOOL_LINK_MODE_BNC_BIT = 11, ETHTOOL_LINK_MODE_10000baseT_Full_BIT = 12, ETHTOOL_LINK_MODE_Pause_BIT = 13, ETHTOOL_LINK_MODE_Asym_Pause_BIT = 14, ETHTOOL_LINK_MODE_2500baseX_Full_BIT = 15, ETHTOOL_LINK_MODE_Backplane_BIT = 16, ETHTOOL_LINK_MODE_1000baseKX_Full_BIT = 17, ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT = 18, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT = 19, ETHTOOL_LINK_MODE_10000baseR_FEC_BIT = 20, ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT = 21, ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT = 22, ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT = 23, ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT = 24, ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT = 25, ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT = 26, ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT = 27, ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT = 28, ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT = 29, ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT = 30, ETHTOOL_LINK_MODE_25000baseCR_Full_BIT = 31, ETHTOOL_LINK_MODE_25000baseKR_Full_BIT = 32, ETHTOOL_LINK_MODE_25000baseSR_Full_BIT = 33, ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT = 34, ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT = 35, ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT = 36, ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT = 37, ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT = 38, ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT = 39, ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT = 40, ETHTOOL_LINK_MODE_1000baseX_Full_BIT = 41, ETHTOOL_LINK_MODE_10000baseCR_Full_BIT = 42, ETHTOOL_LINK_MODE_10000baseSR_Full_BIT = 43, ETHTOOL_LINK_MODE_10000baseLR_Full_BIT = 44, ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT = 45, ETHTOOL_LINK_MODE_10000baseER_Full_BIT = 46, ETHTOOL_LINK_MODE_2500baseT_Full_BIT = 47, ETHTOOL_LINK_MODE_5000baseT_Full_BIT = 48, ETHTOOL_LINK_MODE_FEC_NONE_BIT = 49, ETHTOOL_LINK_MODE_FEC_RS_BIT = 50, ETHTOOL_LINK_MODE_FEC_BASER_BIT = 51, /* Last allowed bit for __ETHTOOL_LINK_MODE_LEGACY_MASK is bit * 31. Please do NOT define any SUPPORTED_* or ADVERTISED_* * macro for bits > 31. The only way to use indices > 31 is to * use the new ETHTOOL_GLINKSETTINGS/ETHTOOL_SLINKSETTINGS API. */ __ETHTOOL_LINK_MODE_LAST = ETHTOOL_LINK_MODE_FEC_BASER_BIT, }; #define __ETHTOOL_LINK_MODE_LEGACY_MASK(base_name) \ (1UL << (ETHTOOL_LINK_MODE_ ## base_name ## _BIT)) /* DEPRECATED macros. Please migrate to * ETHTOOL_GLINKSETTINGS/ETHTOOL_SLINKSETTINGS API. Please do NOT * define any new SUPPORTED_* macro for bits > 31. */ #define SUPPORTED_10baseT_Half __ETHTOOL_LINK_MODE_LEGACY_MASK(10baseT_Half) #define SUPPORTED_10baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10baseT_Full) #define SUPPORTED_100baseT_Half __ETHTOOL_LINK_MODE_LEGACY_MASK(100baseT_Half) #define SUPPORTED_100baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(100baseT_Full) #define SUPPORTED_1000baseT_Half __ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseT_Half) #define SUPPORTED_1000baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseT_Full) #define SUPPORTED_Autoneg __ETHTOOL_LINK_MODE_LEGACY_MASK(Autoneg) #define SUPPORTED_TP __ETHTOOL_LINK_MODE_LEGACY_MASK(TP) #define SUPPORTED_AUI __ETHTOOL_LINK_MODE_LEGACY_MASK(AUI) #define SUPPORTED_MII __ETHTOOL_LINK_MODE_LEGACY_MASK(MII) #define SUPPORTED_FIBRE __ETHTOOL_LINK_MODE_LEGACY_MASK(FIBRE) #define SUPPORTED_BNC __ETHTOOL_LINK_MODE_LEGACY_MASK(BNC) #define SUPPORTED_10000baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseT_Full) #define SUPPORTED_Pause __ETHTOOL_LINK_MODE_LEGACY_MASK(Pause) #define SUPPORTED_Asym_Pause __ETHTOOL_LINK_MODE_LEGACY_MASK(Asym_Pause) #define SUPPORTED_2500baseX_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(2500baseX_Full) #define SUPPORTED_Backplane __ETHTOOL_LINK_MODE_LEGACY_MASK(Backplane) #define SUPPORTED_1000baseKX_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseKX_Full) #define SUPPORTED_10000baseKX4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseKX4_Full) #define SUPPORTED_10000baseKR_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseKR_Full) #define SUPPORTED_10000baseR_FEC __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseR_FEC) #define SUPPORTED_20000baseMLD2_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(20000baseMLD2_Full) #define SUPPORTED_20000baseKR2_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(20000baseKR2_Full) #define SUPPORTED_40000baseKR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseKR4_Full) #define SUPPORTED_40000baseCR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseCR4_Full) #define SUPPORTED_40000baseSR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseSR4_Full) #define SUPPORTED_40000baseLR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseLR4_Full) #define SUPPORTED_56000baseKR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseKR4_Full) #define SUPPORTED_56000baseCR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseCR4_Full) #define SUPPORTED_56000baseSR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseSR4_Full) #define SUPPORTED_56000baseLR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseLR4_Full) /* Please do not define any new SUPPORTED_* macro for bits > 31, see * notice above. */ /* * DEPRECATED macros. Please migrate to * ETHTOOL_GLINKSETTINGS/ETHTOOL_SLINKSETTINGS API. Please do NOT * define any new ADERTISE_* macro for bits > 31. */ #define ADVERTISED_10baseT_Half __ETHTOOL_LINK_MODE_LEGACY_MASK(10baseT_Half) #define ADVERTISED_10baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10baseT_Full) #define ADVERTISED_100baseT_Half __ETHTOOL_LINK_MODE_LEGACY_MASK(100baseT_Half) #define ADVERTISED_100baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(100baseT_Full) #define ADVERTISED_1000baseT_Half __ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseT_Half) #define ADVERTISED_1000baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseT_Full) #define ADVERTISED_Autoneg __ETHTOOL_LINK_MODE_LEGACY_MASK(Autoneg) #define ADVERTISED_TP __ETHTOOL_LINK_MODE_LEGACY_MASK(TP) #define ADVERTISED_AUI __ETHTOOL_LINK_MODE_LEGACY_MASK(AUI) #define ADVERTISED_MII __ETHTOOL_LINK_MODE_LEGACY_MASK(MII) #define ADVERTISED_FIBRE __ETHTOOL_LINK_MODE_LEGACY_MASK(FIBRE) #define ADVERTISED_BNC __ETHTOOL_LINK_MODE_LEGACY_MASK(BNC) #define ADVERTISED_10000baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseT_Full) #define ADVERTISED_Pause __ETHTOOL_LINK_MODE_LEGACY_MASK(Pause) #define ADVERTISED_Asym_Pause __ETHTOOL_LINK_MODE_LEGACY_MASK(Asym_Pause) #define ADVERTISED_2500baseX_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(2500baseX_Full) #define ADVERTISED_Backplane __ETHTOOL_LINK_MODE_LEGACY_MASK(Backplane) #define ADVERTISED_1000baseKX_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseKX_Full) #define ADVERTISED_10000baseKX4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseKX4_Full) #define ADVERTISED_10000baseKR_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseKR_Full) #define ADVERTISED_10000baseR_FEC __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseR_FEC) #define ADVERTISED_20000baseMLD2_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(20000baseMLD2_Full) #define ADVERTISED_20000baseKR2_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(20000baseKR2_Full) #define ADVERTISED_40000baseKR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseKR4_Full) #define ADVERTISED_40000baseCR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseCR4_Full) #define ADVERTISED_40000baseSR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseSR4_Full) #define ADVERTISED_40000baseLR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseLR4_Full) #define ADVERTISED_56000baseKR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseKR4_Full) #define ADVERTISED_56000baseCR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseCR4_Full) #define ADVERTISED_56000baseSR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseSR4_Full) #define ADVERTISED_56000baseLR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseLR4_Full) /* Please do not define any new ADVERTISED_* macro for bits > 31, see * notice above. */ /* The following are all involved in forcing a particular link * mode for the device for setting things. When getting the * devices settings, these indicate the current mode and whether * it was forced up into this mode or autonegotiated. */ /* The forced speed, in units of 1Mb. All values 0 to INT_MAX are legal. * Update drivers/net/phy/phy.c:phy_speed_to_str() and * drivers/net/bonding/bond_3ad.c:__get_link_speed() when adding new values. */ #define SPEED_10 10 #define SPEED_100 100 #define SPEED_1000 1000 #define SPEED_2500 2500 #define SPEED_5000 5000 #define SPEED_10000 10000 #define SPEED_14000 14000 #define SPEED_20000 20000 #define SPEED_25000 25000 #define SPEED_40000 40000 #define SPEED_50000 50000 #define SPEED_56000 56000 #define SPEED_100000 100000 #define SPEED_UNKNOWN -1 static __inline__ int ethtool_validate_speed(__u32 speed) { return speed <= INT_MAX || speed == SPEED_UNKNOWN; } /* Duplex, half or full. */ #define DUPLEX_HALF 0x00 #define DUPLEX_FULL 0x01 #define DUPLEX_UNKNOWN 0xff static __inline__ int ethtool_validate_duplex(__u8 duplex) { switch (duplex) { case DUPLEX_HALF: case DUPLEX_FULL: case DUPLEX_UNKNOWN: return 1; } return 0; } /* Which connector port. */ #define PORT_TP 0x00 #define PORT_AUI 0x01 #define PORT_MII 0x02 #define PORT_FIBRE 0x03 #define PORT_BNC 0x04 #define PORT_DA 0x05 #define PORT_NONE 0xef #define PORT_OTHER 0xff /* Which transceiver to use. */ #define XCVR_INTERNAL 0x00 /* PHY and MAC are in the same package */ #define XCVR_EXTERNAL 0x01 /* PHY and MAC are in different packages */ #define XCVR_DUMMY1 0x02 #define XCVR_DUMMY2 0x03 #define XCVR_DUMMY3 0x04 /* Enable or disable autonegotiation. */ #define AUTONEG_DISABLE 0x00 #define AUTONEG_ENABLE 0x01 /* MDI or MDI-X status/control - if MDI/MDI_X/AUTO is set then * the driver is required to renegotiate link */ #define ETH_TP_MDI_INVALID 0x00 /* status: unknown; control: unsupported */ #define ETH_TP_MDI 0x01 /* status: MDI; control: force MDI */ #define ETH_TP_MDI_X 0x02 /* status: MDI-X; control: force MDI-X */ #define ETH_TP_MDI_AUTO 0x03 /* control: auto-select */ /* Wake-On-Lan options. */ #define WAKE_PHY (1 << 0) #define WAKE_UCAST (1 << 1) #define WAKE_MCAST (1 << 2) #define WAKE_BCAST (1 << 3) #define WAKE_ARP (1 << 4) #define WAKE_MAGIC (1 << 5) #define WAKE_MAGICSECURE (1 << 6) /* only meaningful if WAKE_MAGIC */ #define WAKE_FILTER (1 << 7) /* L2-L4 network traffic flow types */ #define TCP_V4_FLOW 0x01 /* hash or spec (tcp_ip4_spec) */ #define UDP_V4_FLOW 0x02 /* hash or spec (udp_ip4_spec) */ #define SCTP_V4_FLOW 0x03 /* hash or spec (sctp_ip4_spec) */ #define AH_ESP_V4_FLOW 0x04 /* hash only */ #define TCP_V6_FLOW 0x05 /* hash or spec (tcp_ip6_spec; nfc only) */ #define UDP_V6_FLOW 0x06 /* hash or spec (udp_ip6_spec; nfc only) */ #define SCTP_V6_FLOW 0x07 /* hash or spec (sctp_ip6_spec; nfc only) */ #define AH_ESP_V6_FLOW 0x08 /* hash only */ #define AH_V4_FLOW 0x09 /* hash or spec (ah_ip4_spec) */ #define ESP_V4_FLOW 0x0a /* hash or spec (esp_ip4_spec) */ #define AH_V6_FLOW 0x0b /* hash or spec (ah_ip6_spec; nfc only) */ #define ESP_V6_FLOW 0x0c /* hash or spec (esp_ip6_spec; nfc only) */ #define IPV4_USER_FLOW 0x0d /* spec only (usr_ip4_spec) */ #define IP_USER_FLOW IPV4_USER_FLOW #define IPV6_USER_FLOW 0x0e /* spec only (usr_ip6_spec; nfc only) */ #define IPV4_FLOW 0x10 /* hash only */ #define IPV6_FLOW 0x11 /* hash only */ #define ETHER_FLOW 0x12 /* spec only (ether_spec) */ /* Flag to enable additional fields in struct ethtool_rx_flow_spec */ #define FLOW_EXT 0x80000000 #define FLOW_MAC_EXT 0x40000000 /* Flag to enable RSS spreading of traffic matching rule (nfc only) */ #define FLOW_RSS 0x20000000 /* L3-L4 network traffic flow hash options */ #define RXH_L2DA (1 << 1) #define RXH_VLAN (1 << 2) #define RXH_L3_PROTO (1 << 3) #define RXH_IP_SRC (1 << 4) #define RXH_IP_DST (1 << 5) #define RXH_L4_B_0_1 (1 << 6) /* src port in case of TCP/UDP/SCTP */ #define RXH_L4_B_2_3 (1 << 7) /* dst port in case of TCP/UDP/SCTP */ #define RXH_DISCARD (1 << 31) #define RX_CLS_FLOW_DISC 0xffffffffffffffffULL #define RX_CLS_FLOW_WAKE 0xfffffffffffffffeULL /* Special RX classification rule insert location values */ #define RX_CLS_LOC_SPECIAL 0x80000000 /* flag */ #define RX_CLS_LOC_ANY 0xffffffff #define RX_CLS_LOC_FIRST 0xfffffffe #define RX_CLS_LOC_LAST 0xfffffffd /* EEPROM Standards for plug in modules */ #define ETH_MODULE_SFF_8079 0x1 #define ETH_MODULE_SFF_8079_LEN 256 #define ETH_MODULE_SFF_8472 0x2 #define ETH_MODULE_SFF_8472_LEN 512 #define ETH_MODULE_SFF_8636 0x3 #define ETH_MODULE_SFF_8636_LEN 256 #define ETH_MODULE_SFF_8436 0x4 #define ETH_MODULE_SFF_8436_LEN 256 /* Reset flags */ /* The reset() operation must clear the flags for the components which * were actually reset. On successful return, the flags indicate the * components which were not reset, either because they do not exist * in the hardware or because they cannot be reset independently. The * driver must never reset any components that were not requested. */ enum ethtool_reset_flags { /* These flags represent components dedicated to the interface * the command is addressed to. Shift any flag left by * ETH_RESET_SHARED_SHIFT to reset a shared component of the * same type. */ ETH_RESET_MGMT = 1 << 0, /* Management processor */ ETH_RESET_IRQ = 1 << 1, /* Interrupt requester */ ETH_RESET_DMA = 1 << 2, /* DMA engine */ ETH_RESET_FILTER = 1 << 3, /* Filtering/flow direction */ ETH_RESET_OFFLOAD = 1 << 4, /* Protocol offload */ ETH_RESET_MAC = 1 << 5, /* Media access controller */ ETH_RESET_PHY = 1 << 6, /* Transceiver/PHY */ ETH_RESET_RAM = 1 << 7, /* RAM shared between * multiple components */ ETH_RESET_AP = 1 << 8, /* Application processor */ ETH_RESET_DEDICATED = 0x0000ffff, /* All components dedicated to * this interface */ ETH_RESET_ALL = 0xffffffff, /* All components used by this * interface, even if shared */ }; #define ETH_RESET_SHARED_SHIFT 16 /** * struct ethtool_link_settings - link control and status * * IMPORTANT, Backward compatibility notice: When implementing new * user-space tools, please first try %ETHTOOL_GLINKSETTINGS, and * if it succeeds use %ETHTOOL_SLINKSETTINGS to change link * settings; do not use %ETHTOOL_SSET if %ETHTOOL_GLINKSETTINGS * succeeded: stick to %ETHTOOL_GLINKSETTINGS/%SLINKSETTINGS in * that case. Conversely, if %ETHTOOL_GLINKSETTINGS fails, use * %ETHTOOL_GSET to query and %ETHTOOL_SSET to change link * settings; do not use %ETHTOOL_SLINKSETTINGS if * %ETHTOOL_GLINKSETTINGS failed: stick to * %ETHTOOL_GSET/%ETHTOOL_SSET in that case. * * @cmd: Command number = %ETHTOOL_GLINKSETTINGS or %ETHTOOL_SLINKSETTINGS * @speed: Link speed (Mbps) * @duplex: Duplex mode; one of %DUPLEX_* * @port: Physical connector type; one of %PORT_* * @phy_address: MDIO address of PHY (transceiver); 0 or 255 if not * applicable. For clause 45 PHYs this is the PRTAD. * @autoneg: Enable/disable autonegotiation and auto-detection; * either %AUTONEG_DISABLE or %AUTONEG_ENABLE * @mdio_support: Bitmask of %ETH_MDIO_SUPPORTS_* flags for the MDIO * protocols supported by the interface; 0 if unknown. * Read-only. * @eth_tp_mdix: Ethernet twisted-pair MDI(-X) status; one of * %ETH_TP_MDI_*. If the status is unknown or not applicable, the * value will be %ETH_TP_MDI_INVALID. Read-only. * @eth_tp_mdix_ctrl: Ethernet twisted pair MDI(-X) control; one of * %ETH_TP_MDI_*. If MDI(-X) control is not implemented, reads * yield %ETH_TP_MDI_INVALID and writes may be ignored or rejected. * When written successfully, the link should be renegotiated if * necessary. * @link_mode_masks_nwords: Number of 32-bit words for each of the * supported, advertising, lp_advertising link mode bitmaps. For * %ETHTOOL_GLINKSETTINGS: on entry, number of words passed by user * (>= 0); on return, if handshake in progress, negative if * request size unsupported by kernel: absolute value indicates * kernel expected size and all the other fields but cmd * are 0; otherwise (handshake completed), strictly positive * to indicate size used by kernel and cmd field stays * %ETHTOOL_GLINKSETTINGS, all other fields populated by driver. For * %ETHTOOL_SLINKSETTINGS: must be valid on entry, ie. a positive * value returned previously by %ETHTOOL_GLINKSETTINGS, otherwise * refused. For drivers: ignore this field (use kernel's * __ETHTOOL_LINK_MODE_MASK_NBITS instead), any change to it will * be overwritten by kernel. * @supported: Bitmap with each bit meaning given by * %ethtool_link_mode_bit_indices for the link modes, physical * connectors and other link features for which the interface * supports autonegotiation or auto-detection. Read-only. * @advertising: Bitmap with each bit meaning given by * %ethtool_link_mode_bit_indices for the link modes, physical * connectors and other link features that are advertised through * autonegotiation or enabled for auto-detection. * @lp_advertising: Bitmap with each bit meaning given by * %ethtool_link_mode_bit_indices for the link modes, and other * link features that the link partner advertised through * autonegotiation; 0 if unknown or not applicable. Read-only. * @transceiver: Used to distinguish different possible PHY types, * reported consistently by PHYLIB. Read-only. * * If autonegotiation is disabled, the speed and @duplex represent the * fixed link mode and are writable if the driver supports multiple * link modes. If it is enabled then they are read-only; if the link * is up they represent the negotiated link mode; if the link is down, * the speed is 0, %SPEED_UNKNOWN or the highest enabled speed and * @duplex is %DUPLEX_UNKNOWN or the best enabled duplex mode. * * Some hardware interfaces may have multiple PHYs and/or physical * connectors fitted or do not allow the driver to detect which are * fitted. For these interfaces @port and/or @phy_address may be * writable, possibly dependent on @autoneg being %AUTONEG_DISABLE. * Otherwise, attempts to write different values may be ignored or * rejected. * * Deprecated %ethtool_cmd fields transceiver, maxtxpkt and maxrxpkt * are not available in %ethtool_link_settings. Until all drivers are * converted to ignore them or to the new %ethtool_link_settings API, * for both queries and changes, users should always try * %ETHTOOL_GLINKSETTINGS first, and if it fails with -ENOTSUPP stick * only to %ETHTOOL_GSET and %ETHTOOL_SSET consistently. If it * succeeds, then users should stick to %ETHTOOL_GLINKSETTINGS and * %ETHTOOL_SLINKSETTINGS (which would support drivers implementing * either %ethtool_cmd or %ethtool_link_settings). * * Users should assume that all fields not marked read-only are * writable and subject to validation by the driver. They should use * %ETHTOOL_GLINKSETTINGS to get the current values before making specific * changes and then applying them with %ETHTOOL_SLINKSETTINGS. * * Drivers that implement %get_link_ksettings and/or * %set_link_ksettings should ignore the @cmd * and @link_mode_masks_nwords fields (any change to them overwritten * by kernel), and rely only on kernel's internal * %__ETHTOOL_LINK_MODE_MASK_NBITS and * %ethtool_link_mode_mask_t. Drivers that implement * %set_link_ksettings() should validate all fields other than @cmd * and @link_mode_masks_nwords that are not described as read-only or * deprecated, and must ignore all fields described as read-only. */ struct ethtool_link_settings { __u32 cmd; __u32 speed; __u8 duplex; __u8 port; __u8 phy_address; __u8 autoneg; __u8 mdio_support; __u8 eth_tp_mdix; __u8 eth_tp_mdix_ctrl; __s8 link_mode_masks_nwords; __u8 transceiver; __u8 reserved1[3]; __u32 reserved[7]; __u32 link_mode_masks[0]; /* layout of link_mode_masks fields: * __u32 map_supported[link_mode_masks_nwords]; * __u32 map_advertising[link_mode_masks_nwords]; * __u32 map_lp_advertising[link_mode_masks_nwords]; */ }; #endif /* _LINUX_ETHTOOL_H */ lldpd-1.0.18/include/linux/if_addr.h0000644000076400001440000000351114213121371016454 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __LINUX_IF_ADDR_H #define __LINUX_IF_ADDR_H #include #include struct ifaddrmsg { __u8 ifa_family; __u8 ifa_prefixlen; /* The prefix length */ __u8 ifa_flags; /* Flags */ __u8 ifa_scope; /* Address scope */ __u32 ifa_index; /* Link index */ }; /* * Important comment: * IFA_ADDRESS is prefix address, rather than local interface address. * It makes no difference for normally configured broadcast interfaces, * but for point-to-point IFA_ADDRESS is DESTINATION address, * local address is supplied in IFA_LOCAL attribute. * * IFA_FLAGS is a u32 attribute that extends the u8 field ifa_flags. * If present, the value from struct ifaddrmsg will be ignored. */ enum { IFA_UNSPEC, IFA_ADDRESS, IFA_LOCAL, IFA_LABEL, IFA_BROADCAST, IFA_ANYCAST, IFA_CACHEINFO, IFA_MULTICAST, IFA_FLAGS, IFA_RT_PRIORITY, /* u32, priority/metric for prefix route */ __IFA_MAX, }; #define IFA_MAX (__IFA_MAX - 1) /* ifa_flags */ #define IFA_F_SECONDARY 0x01 #define IFA_F_TEMPORARY IFA_F_SECONDARY #define IFA_F_NODAD 0x02 #define IFA_F_OPTIMISTIC 0x04 #define IFA_F_DADFAILED 0x08 #define IFA_F_HOMEADDRESS 0x10 #define IFA_F_DEPRECATED 0x20 #define IFA_F_TENTATIVE 0x40 #define IFA_F_PERMANENT 0x80 #define IFA_F_MANAGETEMPADDR 0x100 #define IFA_F_NOPREFIXROUTE 0x200 #define IFA_F_MCAUTOJOIN 0x400 #define IFA_F_STABLE_PRIVACY 0x800 struct ifa_cacheinfo { __u32 ifa_prefered; __u32 ifa_valid; __u32 cstamp; /* created timestamp, hundredths of seconds */ __u32 tstamp; /* updated timestamp, hundredths of seconds */ }; /* backwards compatibility for userspace */ #define IFA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg)))) #define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg)) #endif lldpd-1.0.18/include/linux/libc-compat.h0000644000076400001440000002014114213121371017254 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Compatibility interface for userspace libc header coordination: * * Define compatibility macros that are used to control the inclusion or * exclusion of UAPI structures and definitions in coordination with another * userspace C library. * * This header is intended to solve the problem of UAPI definitions that * conflict with userspace definitions. If a UAPI header has such conflicting * definitions then the solution is as follows: * * * Synchronize the UAPI header and the libc headers so either one can be * used and such that the ABI is preserved. If this is not possible then * no simple compatibility interface exists (you need to write translating * wrappers and rename things) and you can't use this interface. * * Then follow this process: * * (a) Include libc-compat.h in the UAPI header. * e.g. #include * This include must be as early as possible. * * (b) In libc-compat.h add enough code to detect that the comflicting * userspace libc header has been included first. * * (c) If the userspace libc header has been included first define a set of * guard macros of the form __UAPI_DEF_FOO and set their values to 1, else * set their values to 0. * * (d) Back in the UAPI header with the conflicting definitions, guard the * definitions with: * #if __UAPI_DEF_FOO * ... * #endif * * This fixes the situation where the linux headers are included *after* the * libc headers. To fix the problem with the inclusion in the other order the * userspace libc headers must be fixed like this: * * * For all definitions that conflict with kernel definitions wrap those * defines in the following: * #if !__UAPI_DEF_FOO * ... * #endif * * This prevents the redefinition of a construct already defined by the kernel. */ #ifndef _LIBC_COMPAT_H #define _LIBC_COMPAT_H /* We have included glibc headers... */ #if defined(__GLIBC__) /* Coordinate with glibc net/if.h header. */ #if defined(_NET_IF_H) && defined(__USE_MISC) /* GLIBC headers included first so don't define anything * that would already be defined. */ #define __UAPI_DEF_IF_IFCONF 0 #define __UAPI_DEF_IF_IFMAP 0 #define __UAPI_DEF_IF_IFNAMSIZ 0 #define __UAPI_DEF_IF_IFREQ 0 /* Everything up to IFF_DYNAMIC, matches net/if.h until glibc 2.23 */ #define __UAPI_DEF_IF_NET_DEVICE_FLAGS 0 /* For the future if glibc adds IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO */ #ifndef __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO #define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 1 #endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO */ #else /* _NET_IF_H */ /* Linux headers included first, and we must define everything * we need. The expectation is that glibc will check the * __UAPI_DEF_* defines and adjust appropriately. */ #define __UAPI_DEF_IF_IFCONF 1 #define __UAPI_DEF_IF_IFMAP 1 #define __UAPI_DEF_IF_IFNAMSIZ 1 #define __UAPI_DEF_IF_IFREQ 1 /* Everything up to IFF_DYNAMIC, matches net/if.h until glibc 2.23 */ #define __UAPI_DEF_IF_NET_DEVICE_FLAGS 1 /* For the future if glibc adds IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO */ #define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 1 #endif /* _NET_IF_H */ /* Coordinate with glibc netinet/in.h header. */ #if defined(_NETINET_IN_H) /* GLIBC headers included first so don't define anything * that would already be defined. */ #define __UAPI_DEF_IN_ADDR 0 #define __UAPI_DEF_IN_IPPROTO 0 #define __UAPI_DEF_IN_PKTINFO 0 #define __UAPI_DEF_IP_MREQ 0 #define __UAPI_DEF_SOCKADDR_IN 0 #define __UAPI_DEF_IN_CLASS 0 #define __UAPI_DEF_IN6_ADDR 0 /* The exception is the in6_addr macros which must be defined * if the glibc code didn't define them. This guard matches * the guard in glibc/inet/netinet/in.h which defines the * additional in6_addr macros e.g. s6_addr16, and s6_addr32. */ #if defined(__USE_MISC) || defined (__USE_GNU) #define __UAPI_DEF_IN6_ADDR_ALT 0 #else #define __UAPI_DEF_IN6_ADDR_ALT 1 #endif #define __UAPI_DEF_SOCKADDR_IN6 0 #define __UAPI_DEF_IPV6_MREQ 0 #define __UAPI_DEF_IPPROTO_V6 0 #define __UAPI_DEF_IPV6_OPTIONS 0 #define __UAPI_DEF_IN6_PKTINFO 0 #define __UAPI_DEF_IP6_MTUINFO 0 #else /* Linux headers included first, and we must define everything * we need. The expectation is that glibc will check the * __UAPI_DEF_* defines and adjust appropriately. */ #define __UAPI_DEF_IN_ADDR 1 #define __UAPI_DEF_IN_IPPROTO 1 #define __UAPI_DEF_IN_PKTINFO 1 #define __UAPI_DEF_IP_MREQ 1 #define __UAPI_DEF_SOCKADDR_IN 1 #define __UAPI_DEF_IN_CLASS 1 #define __UAPI_DEF_IN6_ADDR 1 /* We unconditionally define the in6_addr macros and glibc must * coordinate. */ #define __UAPI_DEF_IN6_ADDR_ALT 1 #define __UAPI_DEF_SOCKADDR_IN6 1 #define __UAPI_DEF_IPV6_MREQ 1 #define __UAPI_DEF_IPPROTO_V6 1 #define __UAPI_DEF_IPV6_OPTIONS 1 #define __UAPI_DEF_IN6_PKTINFO 1 #define __UAPI_DEF_IP6_MTUINFO 1 #endif /* _NETINET_IN_H */ /* Coordinate with glibc netipx/ipx.h header. */ #if defined(__NETIPX_IPX_H) #define __UAPI_DEF_SOCKADDR_IPX 0 #define __UAPI_DEF_IPX_ROUTE_DEFINITION 0 #define __UAPI_DEF_IPX_INTERFACE_DEFINITION 0 #define __UAPI_DEF_IPX_CONFIG_DATA 0 #define __UAPI_DEF_IPX_ROUTE_DEF 0 #else /* defined(__NETIPX_IPX_H) */ #define __UAPI_DEF_SOCKADDR_IPX 1 #define __UAPI_DEF_IPX_ROUTE_DEFINITION 1 #define __UAPI_DEF_IPX_INTERFACE_DEFINITION 1 #define __UAPI_DEF_IPX_CONFIG_DATA 1 #define __UAPI_DEF_IPX_ROUTE_DEF 1 #endif /* defined(__NETIPX_IPX_H) */ /* Definitions for xattr.h */ #if defined(_SYS_XATTR_H) #define __UAPI_DEF_XATTR 0 #else #define __UAPI_DEF_XATTR 1 #endif /* If we did not see any headers from any supported C libraries, * or we are being included in the kernel, then define everything * that we need. Check for previous __UAPI_* definitions to give * unsupported C libraries a way to opt out of any kernel definition. */ #else /* !defined(__GLIBC__) */ /* Definitions for if.h */ #ifndef __UAPI_DEF_IF_IFCONF #define __UAPI_DEF_IF_IFCONF 1 #endif #ifndef __UAPI_DEF_IF_IFMAP #define __UAPI_DEF_IF_IFMAP 1 #endif #ifndef __UAPI_DEF_IF_IFNAMSIZ #define __UAPI_DEF_IF_IFNAMSIZ 1 #endif #ifndef __UAPI_DEF_IF_IFREQ #define __UAPI_DEF_IF_IFREQ 1 #endif /* Everything up to IFF_DYNAMIC, matches net/if.h until glibc 2.23 */ #ifndef __UAPI_DEF_IF_NET_DEVICE_FLAGS #define __UAPI_DEF_IF_NET_DEVICE_FLAGS 1 #endif /* For the future if glibc adds IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO */ #ifndef __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO #define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 1 #endif /* Definitions for in.h */ #ifndef __UAPI_DEF_IN_ADDR #define __UAPI_DEF_IN_ADDR 1 #endif #ifndef __UAPI_DEF_IN_IPPROTO #define __UAPI_DEF_IN_IPPROTO 1 #endif #ifndef __UAPI_DEF_IN_PKTINFO #define __UAPI_DEF_IN_PKTINFO 1 #endif #ifndef __UAPI_DEF_IP_MREQ #define __UAPI_DEF_IP_MREQ 1 #endif #ifndef __UAPI_DEF_SOCKADDR_IN #define __UAPI_DEF_SOCKADDR_IN 1 #endif #ifndef __UAPI_DEF_IN_CLASS #define __UAPI_DEF_IN_CLASS 1 #endif /* Definitions for in6.h */ #ifndef __UAPI_DEF_IN6_ADDR #define __UAPI_DEF_IN6_ADDR 1 #endif #ifndef __UAPI_DEF_IN6_ADDR_ALT #define __UAPI_DEF_IN6_ADDR_ALT 1 #endif #ifndef __UAPI_DEF_SOCKADDR_IN6 #define __UAPI_DEF_SOCKADDR_IN6 1 #endif #ifndef __UAPI_DEF_IPV6_MREQ #define __UAPI_DEF_IPV6_MREQ 1 #endif #ifndef __UAPI_DEF_IPPROTO_V6 #define __UAPI_DEF_IPPROTO_V6 1 #endif #ifndef __UAPI_DEF_IPV6_OPTIONS #define __UAPI_DEF_IPV6_OPTIONS 1 #endif #ifndef __UAPI_DEF_IN6_PKTINFO #define __UAPI_DEF_IN6_PKTINFO 1 #endif #ifndef __UAPI_DEF_IP6_MTUINFO #define __UAPI_DEF_IP6_MTUINFO 1 #endif /* Definitions for ipx.h */ #ifndef __UAPI_DEF_SOCKADDR_IPX #define __UAPI_DEF_SOCKADDR_IPX 1 #endif #ifndef __UAPI_DEF_IPX_ROUTE_DEFINITION #define __UAPI_DEF_IPX_ROUTE_DEFINITION 1 #endif #ifndef __UAPI_DEF_IPX_INTERFACE_DEFINITION #define __UAPI_DEF_IPX_INTERFACE_DEFINITION 1 #endif #ifndef __UAPI_DEF_IPX_CONFIG_DATA #define __UAPI_DEF_IPX_CONFIG_DATA 1 #endif #ifndef __UAPI_DEF_IPX_ROUTE_DEF #define __UAPI_DEF_IPX_ROUTE_DEF 1 #endif /* Definitions for xattr.h */ #ifndef __UAPI_DEF_XATTR #define __UAPI_DEF_XATTR 1 #endif #endif /* __GLIBC__ */ #endif /* _LIBC_COMPAT_H */ lldpd-1.0.18/include/linux/wireless.h0000644000076400001440000012333114213121371016724 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * This file define a set of standard wireless extensions * * Version : 22 16.3.07 * * Authors : Jean Tourrilhes - HPL - * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved. */ #ifndef _LINUX_WIRELESS_H #define _LINUX_WIRELESS_H /************************** DOCUMENTATION **************************/ /* * Initial APIs (1996 -> onward) : * ----------------------------- * Basically, the wireless extensions are for now a set of standard ioctl * call + /proc/net/wireless * * The entry /proc/net/wireless give statistics and information on the * driver. * This is better than having each driver having its entry because * its centralised and we may remove the driver module safely. * * Ioctl are used to configure the driver and issue commands. This is * better than command line options of insmod because we may want to * change dynamically (while the driver is running) some parameters. * * The ioctl mechanimsm are copied from standard devices ioctl. * We have the list of command plus a structure descibing the * data exchanged... * Note that to add these ioctl, I was obliged to modify : * # net/core/dev.c (two place + add include) * # net/ipv4/af_inet.c (one place + add include) * * /proc/net/wireless is a copy of /proc/net/dev. * We have a structure for data passed from the driver to /proc/net/wireless * Too add this, I've modified : * # net/core/dev.c (two other places) * # include/linux/netdevice.h (one place) * # include/linux/proc_fs.h (one place) * * New driver API (2002 -> onward) : * ------------------------------- * This file is only concerned with the user space API and common definitions. * The new driver API is defined and documented in : * # include/net/iw_handler.h * * Note as well that /proc/net/wireless implementation has now moved in : * # net/core/wireless.c * * Wireless Events (2002 -> onward) : * -------------------------------- * Events are defined at the end of this file, and implemented in : * # net/core/wireless.c * * Other comments : * -------------- * Do not add here things that are redundant with other mechanisms * (drivers init, ifconfig, /proc/net/dev, ...) and with are not * wireless specific. * * These wireless extensions are not magic : each driver has to provide * support for them... * * IMPORTANT NOTE : As everything in the kernel, this is very much a * work in progress. Contact me if you have ideas of improvements... */ /***************************** INCLUDES *****************************/ #include /* for __u* and __s* typedefs */ #include /* for "struct sockaddr" et al */ #include /* for IFNAMSIZ and co... */ /***************************** VERSION *****************************/ /* * This constant is used to know the availability of the wireless * extensions and to know which version of wireless extensions it is * (there is some stuff that will be added in the future...) * I just plan to increment with each new version. */ #define WIRELESS_EXT 22 /* * Changes : * * V2 to V3 * -------- * Alan Cox start some incompatibles changes. I've integrated a bit more. * - Encryption renamed to Encode to avoid US regulation problems * - Frequency changed from float to struct to avoid problems on old 386 * * V3 to V4 * -------- * - Add sensitivity * * V4 to V5 * -------- * - Missing encoding definitions in range * - Access points stuff * * V5 to V6 * -------- * - 802.11 support (ESSID ioctls) * * V6 to V7 * -------- * - define IW_ESSID_MAX_SIZE and IW_MAX_AP * * V7 to V8 * -------- * - Changed my e-mail address * - More 802.11 support (nickname, rate, rts, frag) * - List index in frequencies * * V8 to V9 * -------- * - Support for 'mode of operation' (ad-hoc, managed...) * - Support for unicast and multicast power saving * - Change encoding to support larger tokens (>64 bits) * - Updated iw_params (disable, flags) and use it for NWID * - Extracted iw_point from iwreq for clarity * * V9 to V10 * --------- * - Add PM capability to range structure * - Add PM modifier : MAX/MIN/RELATIVE * - Add encoding option : IW_ENCODE_NOKEY * - Add TxPower ioctls (work like TxRate) * * V10 to V11 * ---------- * - Add WE version in range (help backward/forward compatibility) * - Add retry ioctls (work like PM) * * V11 to V12 * ---------- * - Add SIOCSIWSTATS to get /proc/net/wireless programatically * - Add DEV PRIVATE IOCTL to avoid collisions in SIOCDEVPRIVATE space * - Add new statistics (frag, retry, beacon) * - Add average quality (for user space calibration) * * V12 to V13 * ---------- * - Document creation of new driver API. * - Extract union iwreq_data from struct iwreq (for new driver API). * - Rename SIOCSIWNAME as SIOCSIWCOMMIT * * V13 to V14 * ---------- * - Wireless Events support : define struct iw_event * - Define additional specific event numbers * - Add "addr" and "param" fields in union iwreq_data * - AP scanning stuff (SIOCSIWSCAN and friends) * * V14 to V15 * ---------- * - Add IW_PRIV_TYPE_ADDR for struct sockaddr private arg * - Make struct iw_freq signed (both m & e), add explicit padding * - Add IWEVCUSTOM for driver specific event/scanning token * - Add IW_MAX_GET_SPY for driver returning a lot of addresses * - Add IW_TXPOW_RANGE for range of Tx Powers * - Add IWEVREGISTERED & IWEVEXPIRED events for Access Points * - Add IW_MODE_MONITOR for passive monitor * * V15 to V16 * ---------- * - Increase the number of bitrates in iw_range to 32 (for 802.11g) * - Increase the number of frequencies in iw_range to 32 (for 802.11b+a) * - Reshuffle struct iw_range for increases, add filler * - Increase IW_MAX_AP to 64 for driver returning a lot of addresses * - Remove IW_MAX_GET_SPY because conflict with enhanced spy support * - Add SIOCSIWTHRSPY/SIOCGIWTHRSPY and "struct iw_thrspy" * - Add IW_ENCODE_TEMP and iw_range->encoding_login_index * * V16 to V17 * ---------- * - Add flags to frequency -> auto/fixed * - Document (struct iw_quality *)->updated, add new flags (INVALID) * - Wireless Event capability in struct iw_range * - Add support for relative TxPower (yick !) * * V17 to V18 (From Jouni Malinen ) * ---------- * - Add support for WPA/WPA2 * - Add extended encoding configuration (SIOCSIWENCODEEXT and * SIOCGIWENCODEEXT) * - Add SIOCSIWGENIE/SIOCGIWGENIE * - Add SIOCSIWMLME * - Add SIOCSIWPMKSA * - Add struct iw_range bit field for supported encoding capabilities * - Add optional scan request parameters for SIOCSIWSCAN * - Add SIOCSIWAUTH/SIOCGIWAUTH for setting authentication and WPA * related parameters (extensible up to 4096 parameter values) * - Add wireless events: IWEVGENIE, IWEVMICHAELMICFAILURE, * IWEVASSOCREQIE, IWEVASSOCRESPIE, IWEVPMKIDCAND * * V18 to V19 * ---------- * - Remove (struct iw_point *)->pointer from events and streams * - Remove header includes to help user space * - Increase IW_ENCODING_TOKEN_MAX from 32 to 64 * - Add IW_QUAL_ALL_UPDATED and IW_QUAL_ALL_INVALID macros * - Add explicit flag to tell stats are in dBm : IW_QUAL_DBM * - Add IW_IOCTL_IDX() and IW_EVENT_IDX() macros * * V19 to V20 * ---------- * - RtNetlink requests support (SET/GET) * * V20 to V21 * ---------- * - Remove (struct net_device *)->get_wireless_stats() * - Change length in ESSID and NICK to strlen() instead of strlen()+1 * - Add IW_RETRY_SHORT/IW_RETRY_LONG retry modifiers * - Power/Retry relative values no longer * 100000 * - Add explicit flag to tell stats are in 802.11k RCPI : IW_QUAL_RCPI * * V21 to V22 * ---------- * - Prevent leaking of kernel space in stream on 64 bits. */ /**************************** CONSTANTS ****************************/ /* -------------------------- IOCTL LIST -------------------------- */ /* Wireless Identification */ #define SIOCSIWCOMMIT 0x8B00 /* Commit pending changes to driver */ #define SIOCGIWNAME 0x8B01 /* get name == wireless protocol */ /* SIOCGIWNAME is used to verify the presence of Wireless Extensions. * Common values : "IEEE 802.11-DS", "IEEE 802.11-FH", "IEEE 802.11b"... * Don't put the name of your driver there, it's useless. */ /* Basic operations */ #define SIOCSIWNWID 0x8B02 /* set network id (pre-802.11) */ #define SIOCGIWNWID 0x8B03 /* get network id (the cell) */ #define SIOCSIWFREQ 0x8B04 /* set channel/frequency (Hz) */ #define SIOCGIWFREQ 0x8B05 /* get channel/frequency (Hz) */ #define SIOCSIWMODE 0x8B06 /* set operation mode */ #define SIOCGIWMODE 0x8B07 /* get operation mode */ #define SIOCSIWSENS 0x8B08 /* set sensitivity (dBm) */ #define SIOCGIWSENS 0x8B09 /* get sensitivity (dBm) */ /* Informative stuff */ #define SIOCSIWRANGE 0x8B0A /* Unused */ #define SIOCGIWRANGE 0x8B0B /* Get range of parameters */ #define SIOCSIWPRIV 0x8B0C /* Unused */ #define SIOCGIWPRIV 0x8B0D /* get private ioctl interface info */ #define SIOCSIWSTATS 0x8B0E /* Unused */ #define SIOCGIWSTATS 0x8B0F /* Get /proc/net/wireless stats */ /* SIOCGIWSTATS is strictly used between user space and the kernel, and * is never passed to the driver (i.e. the driver will never see it). */ /* Spy support (statistics per MAC address - used for Mobile IP support) */ #define SIOCSIWSPY 0x8B10 /* set spy addresses */ #define SIOCGIWSPY 0x8B11 /* get spy info (quality of link) */ #define SIOCSIWTHRSPY 0x8B12 /* set spy threshold (spy event) */ #define SIOCGIWTHRSPY 0x8B13 /* get spy threshold */ /* Access Point manipulation */ #define SIOCSIWAP 0x8B14 /* set access point MAC addresses */ #define SIOCGIWAP 0x8B15 /* get access point MAC addresses */ #define SIOCGIWAPLIST 0x8B17 /* Deprecated in favor of scanning */ #define SIOCSIWSCAN 0x8B18 /* trigger scanning (list cells) */ #define SIOCGIWSCAN 0x8B19 /* get scanning results */ /* 802.11 specific support */ #define SIOCSIWESSID 0x8B1A /* set ESSID (network name) */ #define SIOCGIWESSID 0x8B1B /* get ESSID */ #define SIOCSIWNICKN 0x8B1C /* set node name/nickname */ #define SIOCGIWNICKN 0x8B1D /* get node name/nickname */ /* As the ESSID and NICKN are strings up to 32 bytes long, it doesn't fit * within the 'iwreq' structure, so we need to use the 'data' member to * point to a string in user space, like it is done for RANGE... */ /* Other parameters useful in 802.11 and some other devices */ #define SIOCSIWRATE 0x8B20 /* set default bit rate (bps) */ #define SIOCGIWRATE 0x8B21 /* get default bit rate (bps) */ #define SIOCSIWRTS 0x8B22 /* set RTS/CTS threshold (bytes) */ #define SIOCGIWRTS 0x8B23 /* get RTS/CTS threshold (bytes) */ #define SIOCSIWFRAG 0x8B24 /* set fragmentation thr (bytes) */ #define SIOCGIWFRAG 0x8B25 /* get fragmentation thr (bytes) */ #define SIOCSIWTXPOW 0x8B26 /* set transmit power (dBm) */ #define SIOCGIWTXPOW 0x8B27 /* get transmit power (dBm) */ #define SIOCSIWRETRY 0x8B28 /* set retry limits and lifetime */ #define SIOCGIWRETRY 0x8B29 /* get retry limits and lifetime */ /* Encoding stuff (scrambling, hardware security, WEP...) */ #define SIOCSIWENCODE 0x8B2A /* set encoding token & mode */ #define SIOCGIWENCODE 0x8B2B /* get encoding token & mode */ /* Power saving stuff (power management, unicast and multicast) */ #define SIOCSIWPOWER 0x8B2C /* set Power Management settings */ #define SIOCGIWPOWER 0x8B2D /* get Power Management settings */ /* WPA : Generic IEEE 802.11 informatiom element (e.g., for WPA/RSN/WMM). * This ioctl uses struct iw_point and data buffer that includes IE id and len * fields. More than one IE may be included in the request. Setting the generic * IE to empty buffer (len=0) removes the generic IE from the driver. Drivers * are allowed to generate their own WPA/RSN IEs, but in these cases, drivers * are required to report the used IE as a wireless event, e.g., when * associating with an AP. */ #define SIOCSIWGENIE 0x8B30 /* set generic IE */ #define SIOCGIWGENIE 0x8B31 /* get generic IE */ /* WPA : IEEE 802.11 MLME requests */ #define SIOCSIWMLME 0x8B16 /* request MLME operation; uses * struct iw_mlme */ /* WPA : Authentication mode parameters */ #define SIOCSIWAUTH 0x8B32 /* set authentication mode params */ #define SIOCGIWAUTH 0x8B33 /* get authentication mode params */ /* WPA : Extended version of encoding configuration */ #define SIOCSIWENCODEEXT 0x8B34 /* set encoding token & mode */ #define SIOCGIWENCODEEXT 0x8B35 /* get encoding token & mode */ /* WPA2 : PMKSA cache management */ #define SIOCSIWPMKSA 0x8B36 /* PMKSA cache operation */ /* -------------------- DEV PRIVATE IOCTL LIST -------------------- */ /* These 32 ioctl are wireless device private, for 16 commands. * Each driver is free to use them for whatever purpose it chooses, * however the driver *must* export the description of those ioctls * with SIOCGIWPRIV and *must* use arguments as defined below. * If you don't follow those rules, DaveM is going to hate you (reason : * it make mixed 32/64bit operation impossible). */ #define SIOCIWFIRSTPRIV 0x8BE0 #define SIOCIWLASTPRIV 0x8BFF /* Previously, we were using SIOCDEVPRIVATE, but we now have our * separate range because of collisions with other tools such as * 'mii-tool'. * We now have 32 commands, so a bit more space ;-). * Also, all 'even' commands are only usable by root and don't return the * content of ifr/iwr to user (but you are not obliged to use the set/get * convention, just use every other two command). More details in iwpriv.c. * And I repeat : you are not forced to use them with iwpriv, but you * must be compliant with it. */ /* ------------------------- IOCTL STUFF ------------------------- */ /* The first and the last (range) */ #define SIOCIWFIRST 0x8B00 #define SIOCIWLAST SIOCIWLASTPRIV /* 0x8BFF */ #define IW_IOCTL_IDX(cmd) ((cmd) - SIOCIWFIRST) #define IW_HANDLER(id, func) \ [IW_IOCTL_IDX(id)] = func /* Odd : get (world access), even : set (root access) */ #define IW_IS_SET(cmd) (!((cmd) & 0x1)) #define IW_IS_GET(cmd) ((cmd) & 0x1) /* ----------------------- WIRELESS EVENTS ----------------------- */ /* Those are *NOT* ioctls, do not issue request on them !!! */ /* Most events use the same identifier as ioctl requests */ #define IWEVTXDROP 0x8C00 /* Packet dropped to excessive retry */ #define IWEVQUAL 0x8C01 /* Quality part of statistics (scan) */ #define IWEVCUSTOM 0x8C02 /* Driver specific ascii string */ #define IWEVREGISTERED 0x8C03 /* Discovered a new node (AP mode) */ #define IWEVEXPIRED 0x8C04 /* Expired a node (AP mode) */ #define IWEVGENIE 0x8C05 /* Generic IE (WPA, RSN, WMM, ..) * (scan results); This includes id and * length fields. One IWEVGENIE may * contain more than one IE. Scan * results may contain one or more * IWEVGENIE events. */ #define IWEVMICHAELMICFAILURE 0x8C06 /* Michael MIC failure * (struct iw_michaelmicfailure) */ #define IWEVASSOCREQIE 0x8C07 /* IEs used in (Re)Association Request. * The data includes id and length * fields and may contain more than one * IE. This event is required in * Managed mode if the driver * generates its own WPA/RSN IE. This * should be sent just before * IWEVREGISTERED event for the * association. */ #define IWEVASSOCRESPIE 0x8C08 /* IEs used in (Re)Association * Response. The data includes id and * length fields and may contain more * than one IE. This may be sent * between IWEVASSOCREQIE and * IWEVREGISTERED events for the * association. */ #define IWEVPMKIDCAND 0x8C09 /* PMKID candidate for RSN * pre-authentication * (struct iw_pmkid_cand) */ #define IWEVFIRST 0x8C00 #define IW_EVENT_IDX(cmd) ((cmd) - IWEVFIRST) /* ------------------------- PRIVATE INFO ------------------------- */ /* * The following is used with SIOCGIWPRIV. It allow a driver to define * the interface (name, type of data) for its private ioctl. * Privates ioctl are SIOCIWFIRSTPRIV -> SIOCIWLASTPRIV */ #define IW_PRIV_TYPE_MASK 0x7000 /* Type of arguments */ #define IW_PRIV_TYPE_NONE 0x0000 #define IW_PRIV_TYPE_BYTE 0x1000 /* Char as number */ #define IW_PRIV_TYPE_CHAR 0x2000 /* Char as character */ #define IW_PRIV_TYPE_INT 0x4000 /* 32 bits int */ #define IW_PRIV_TYPE_FLOAT 0x5000 /* struct iw_freq */ #define IW_PRIV_TYPE_ADDR 0x6000 /* struct sockaddr */ #define IW_PRIV_SIZE_FIXED 0x0800 /* Variable or fixed number of args */ #define IW_PRIV_SIZE_MASK 0x07FF /* Max number of those args */ /* * Note : if the number of args is fixed and the size < 16 octets, * instead of passing a pointer we will put args in the iwreq struct... */ /* ----------------------- OTHER CONSTANTS ----------------------- */ /* Maximum frequencies in the range struct */ #define IW_MAX_FREQUENCIES 32 /* Note : if you have something like 80 frequencies, * don't increase this constant and don't fill the frequency list. * The user will be able to set by channel anyway... */ /* Maximum bit rates in the range struct */ #define IW_MAX_BITRATES 32 /* Maximum tx powers in the range struct */ #define IW_MAX_TXPOWER 8 /* Note : if you more than 8 TXPowers, just set the max and min or * a few of them in the struct iw_range. */ /* Maximum of address that you may set with SPY */ #define IW_MAX_SPY 8 /* Maximum of address that you may get in the list of access points in range */ #define IW_MAX_AP 64 /* Maximum size of the ESSID and NICKN strings */ #define IW_ESSID_MAX_SIZE 32 /* Modes of operation */ #define IW_MODE_AUTO 0 /* Let the driver decides */ #define IW_MODE_ADHOC 1 /* Single cell network */ #define IW_MODE_INFRA 2 /* Multi cell network, roaming, ... */ #define IW_MODE_MASTER 3 /* Synchronisation master or Access Point */ #define IW_MODE_REPEAT 4 /* Wireless Repeater (forwarder) */ #define IW_MODE_SECOND 5 /* Secondary master/repeater (backup) */ #define IW_MODE_MONITOR 6 /* Passive monitor (listen only) */ #define IW_MODE_MESH 7 /* Mesh (IEEE 802.11s) network */ /* Statistics flags (bitmask in updated) */ #define IW_QUAL_QUAL_UPDATED 0x01 /* Value was updated since last read */ #define IW_QUAL_LEVEL_UPDATED 0x02 #define IW_QUAL_NOISE_UPDATED 0x04 #define IW_QUAL_ALL_UPDATED 0x07 #define IW_QUAL_DBM 0x08 /* Level + Noise are dBm */ #define IW_QUAL_QUAL_INVALID 0x10 /* Driver doesn't provide value */ #define IW_QUAL_LEVEL_INVALID 0x20 #define IW_QUAL_NOISE_INVALID 0x40 #define IW_QUAL_RCPI 0x80 /* Level + Noise are 802.11k RCPI */ #define IW_QUAL_ALL_INVALID 0x70 /* Frequency flags */ #define IW_FREQ_AUTO 0x00 /* Let the driver decides */ #define IW_FREQ_FIXED 0x01 /* Force a specific value */ /* Maximum number of size of encoding token available * they are listed in the range structure */ #define IW_MAX_ENCODING_SIZES 8 /* Maximum size of the encoding token in bytes */ #define IW_ENCODING_TOKEN_MAX 64 /* 512 bits (for now) */ /* Flags for encoding (along with the token) */ #define IW_ENCODE_INDEX 0x00FF /* Token index (if needed) */ #define IW_ENCODE_FLAGS 0xFF00 /* Flags defined below */ #define IW_ENCODE_MODE 0xF000 /* Modes defined below */ #define IW_ENCODE_DISABLED 0x8000 /* Encoding disabled */ #define IW_ENCODE_ENABLED 0x0000 /* Encoding enabled */ #define IW_ENCODE_RESTRICTED 0x4000 /* Refuse non-encoded packets */ #define IW_ENCODE_OPEN 0x2000 /* Accept non-encoded packets */ #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */ #define IW_ENCODE_TEMP 0x0400 /* Temporary key */ /* Power management flags available (along with the value, if any) */ #define IW_POWER_ON 0x0000 /* No details... */ #define IW_POWER_TYPE 0xF000 /* Type of parameter */ #define IW_POWER_PERIOD 0x1000 /* Value is a period/duration of */ #define IW_POWER_TIMEOUT 0x2000 /* Value is a timeout (to go asleep) */ #define IW_POWER_MODE 0x0F00 /* Power Management mode */ #define IW_POWER_UNICAST_R 0x0100 /* Receive only unicast messages */ #define IW_POWER_MULTICAST_R 0x0200 /* Receive only multicast messages */ #define IW_POWER_ALL_R 0x0300 /* Receive all messages though PM */ #define IW_POWER_FORCE_S 0x0400 /* Force PM procedure for sending unicast */ #define IW_POWER_REPEATER 0x0800 /* Repeat broadcast messages in PM period */ #define IW_POWER_MODIFIER 0x000F /* Modify a parameter */ #define IW_POWER_MIN 0x0001 /* Value is a minimum */ #define IW_POWER_MAX 0x0002 /* Value is a maximum */ #define IW_POWER_RELATIVE 0x0004 /* Value is not in seconds/ms/us */ /* Transmit Power flags available */ #define IW_TXPOW_TYPE 0x00FF /* Type of value */ #define IW_TXPOW_DBM 0x0000 /* Value is in dBm */ #define IW_TXPOW_MWATT 0x0001 /* Value is in mW */ #define IW_TXPOW_RELATIVE 0x0002 /* Value is in arbitrary units */ #define IW_TXPOW_RANGE 0x1000 /* Range of value between min/max */ /* Retry limits and lifetime flags available */ #define IW_RETRY_ON 0x0000 /* No details... */ #define IW_RETRY_TYPE 0xF000 /* Type of parameter */ #define IW_RETRY_LIMIT 0x1000 /* Maximum number of retries*/ #define IW_RETRY_LIFETIME 0x2000 /* Maximum duration of retries in us */ #define IW_RETRY_MODIFIER 0x00FF /* Modify a parameter */ #define IW_RETRY_MIN 0x0001 /* Value is a minimum */ #define IW_RETRY_MAX 0x0002 /* Value is a maximum */ #define IW_RETRY_RELATIVE 0x0004 /* Value is not in seconds/ms/us */ #define IW_RETRY_SHORT 0x0010 /* Value is for short packets */ #define IW_RETRY_LONG 0x0020 /* Value is for long packets */ /* Scanning request flags */ #define IW_SCAN_DEFAULT 0x0000 /* Default scan of the driver */ #define IW_SCAN_ALL_ESSID 0x0001 /* Scan all ESSIDs */ #define IW_SCAN_THIS_ESSID 0x0002 /* Scan only this ESSID */ #define IW_SCAN_ALL_FREQ 0x0004 /* Scan all Frequencies */ #define IW_SCAN_THIS_FREQ 0x0008 /* Scan only this Frequency */ #define IW_SCAN_ALL_MODE 0x0010 /* Scan all Modes */ #define IW_SCAN_THIS_MODE 0x0020 /* Scan only this Mode */ #define IW_SCAN_ALL_RATE 0x0040 /* Scan all Bit-Rates */ #define IW_SCAN_THIS_RATE 0x0080 /* Scan only this Bit-Rate */ /* struct iw_scan_req scan_type */ #define IW_SCAN_TYPE_ACTIVE 0 #define IW_SCAN_TYPE_PASSIVE 1 /* Maximum size of returned data */ #define IW_SCAN_MAX_DATA 4096 /* In bytes */ /* Scan capability flags - in (struct iw_range *)->scan_capa */ #define IW_SCAN_CAPA_NONE 0x00 #define IW_SCAN_CAPA_ESSID 0x01 #define IW_SCAN_CAPA_BSSID 0x02 #define IW_SCAN_CAPA_CHANNEL 0x04 #define IW_SCAN_CAPA_MODE 0x08 #define IW_SCAN_CAPA_RATE 0x10 #define IW_SCAN_CAPA_TYPE 0x20 #define IW_SCAN_CAPA_TIME 0x40 /* Max number of char in custom event - use multiple of them if needed */ #define IW_CUSTOM_MAX 256 /* In bytes */ /* Generic information element */ #define IW_GENERIC_IE_MAX 1024 /* MLME requests (SIOCSIWMLME / struct iw_mlme) */ #define IW_MLME_DEAUTH 0 #define IW_MLME_DISASSOC 1 #define IW_MLME_AUTH 2 #define IW_MLME_ASSOC 3 /* SIOCSIWAUTH/SIOCGIWAUTH struct iw_param flags */ #define IW_AUTH_INDEX 0x0FFF #define IW_AUTH_FLAGS 0xF000 /* SIOCSIWAUTH/SIOCGIWAUTH parameters (0 .. 4095) * (IW_AUTH_INDEX mask in struct iw_param flags; this is the index of the * parameter that is being set/get to; value will be read/written to * struct iw_param value field) */ #define IW_AUTH_WPA_VERSION 0 #define IW_AUTH_CIPHER_PAIRWISE 1 #define IW_AUTH_CIPHER_GROUP 2 #define IW_AUTH_KEY_MGMT 3 #define IW_AUTH_TKIP_COUNTERMEASURES 4 #define IW_AUTH_DROP_UNENCRYPTED 5 #define IW_AUTH_80211_AUTH_ALG 6 #define IW_AUTH_WPA_ENABLED 7 #define IW_AUTH_RX_UNENCRYPTED_EAPOL 8 #define IW_AUTH_ROAMING_CONTROL 9 #define IW_AUTH_PRIVACY_INVOKED 10 #define IW_AUTH_CIPHER_GROUP_MGMT 11 #define IW_AUTH_MFP 12 /* IW_AUTH_WPA_VERSION values (bit field) */ #define IW_AUTH_WPA_VERSION_DISABLED 0x00000001 #define IW_AUTH_WPA_VERSION_WPA 0x00000002 #define IW_AUTH_WPA_VERSION_WPA2 0x00000004 /* IW_AUTH_PAIRWISE_CIPHER, IW_AUTH_GROUP_CIPHER, and IW_AUTH_CIPHER_GROUP_MGMT * values (bit field) */ #define IW_AUTH_CIPHER_NONE 0x00000001 #define IW_AUTH_CIPHER_WEP40 0x00000002 #define IW_AUTH_CIPHER_TKIP 0x00000004 #define IW_AUTH_CIPHER_CCMP 0x00000008 #define IW_AUTH_CIPHER_WEP104 0x00000010 #define IW_AUTH_CIPHER_AES_CMAC 0x00000020 /* IW_AUTH_KEY_MGMT values (bit field) */ #define IW_AUTH_KEY_MGMT_802_1X 1 #define IW_AUTH_KEY_MGMT_PSK 2 /* IW_AUTH_80211_AUTH_ALG values (bit field) */ #define IW_AUTH_ALG_OPEN_SYSTEM 0x00000001 #define IW_AUTH_ALG_SHARED_KEY 0x00000002 #define IW_AUTH_ALG_LEAP 0x00000004 /* IW_AUTH_ROAMING_CONTROL values */ #define IW_AUTH_ROAMING_ENABLE 0 /* driver/firmware based roaming */ #define IW_AUTH_ROAMING_DISABLE 1 /* user space program used for roaming * control */ /* IW_AUTH_MFP (management frame protection) values */ #define IW_AUTH_MFP_DISABLED 0 /* MFP disabled */ #define IW_AUTH_MFP_OPTIONAL 1 /* MFP optional */ #define IW_AUTH_MFP_REQUIRED 2 /* MFP required */ /* SIOCSIWENCODEEXT definitions */ #define IW_ENCODE_SEQ_MAX_SIZE 8 /* struct iw_encode_ext ->alg */ #define IW_ENCODE_ALG_NONE 0 #define IW_ENCODE_ALG_WEP 1 #define IW_ENCODE_ALG_TKIP 2 #define IW_ENCODE_ALG_CCMP 3 #define IW_ENCODE_ALG_PMK 4 #define IW_ENCODE_ALG_AES_CMAC 5 /* struct iw_encode_ext ->ext_flags */ #define IW_ENCODE_EXT_TX_SEQ_VALID 0x00000001 #define IW_ENCODE_EXT_RX_SEQ_VALID 0x00000002 #define IW_ENCODE_EXT_GROUP_KEY 0x00000004 #define IW_ENCODE_EXT_SET_TX_KEY 0x00000008 /* IWEVMICHAELMICFAILURE : struct iw_michaelmicfailure ->flags */ #define IW_MICFAILURE_KEY_ID 0x00000003 /* Key ID 0..3 */ #define IW_MICFAILURE_GROUP 0x00000004 #define IW_MICFAILURE_PAIRWISE 0x00000008 #define IW_MICFAILURE_STAKEY 0x00000010 #define IW_MICFAILURE_COUNT 0x00000060 /* 1 or 2 (0 = count not supported) */ /* Bit field values for enc_capa in struct iw_range */ #define IW_ENC_CAPA_WPA 0x00000001 #define IW_ENC_CAPA_WPA2 0x00000002 #define IW_ENC_CAPA_CIPHER_TKIP 0x00000004 #define IW_ENC_CAPA_CIPHER_CCMP 0x00000008 #define IW_ENC_CAPA_4WAY_HANDSHAKE 0x00000010 /* Event capability macros - in (struct iw_range *)->event_capa * Because we have more than 32 possible events, we use an array of * 32 bit bitmasks. Note : 32 bits = 0x20 = 2^5. */ #define IW_EVENT_CAPA_BASE(cmd) ((cmd >= SIOCIWFIRSTPRIV) ? \ (cmd - SIOCIWFIRSTPRIV + 0x60) : \ (cmd - SIOCIWFIRST)) #define IW_EVENT_CAPA_INDEX(cmd) (IW_EVENT_CAPA_BASE(cmd) >> 5) #define IW_EVENT_CAPA_MASK(cmd) (1 << (IW_EVENT_CAPA_BASE(cmd) & 0x1F)) /* Event capability constants - event autogenerated by the kernel * This list is valid for most 802.11 devices, customise as needed... */ #define IW_EVENT_CAPA_K_0 (IW_EVENT_CAPA_MASK(0x8B04) | \ IW_EVENT_CAPA_MASK(0x8B06) | \ IW_EVENT_CAPA_MASK(0x8B1A)) #define IW_EVENT_CAPA_K_1 (IW_EVENT_CAPA_MASK(0x8B2A)) /* "Easy" macro to set events in iw_range (less efficient) */ #define IW_EVENT_CAPA_SET(event_capa, cmd) (event_capa[IW_EVENT_CAPA_INDEX(cmd)] |= IW_EVENT_CAPA_MASK(cmd)) #define IW_EVENT_CAPA_SET_KERNEL(event_capa) {event_capa[0] |= IW_EVENT_CAPA_K_0; event_capa[1] |= IW_EVENT_CAPA_K_1; } /****************************** TYPES ******************************/ /* --------------------------- SUBTYPES --------------------------- */ /* * Generic format for most parameters that fit in an int */ struct iw_param { __s32 value; /* The value of the parameter itself */ __u8 fixed; /* Hardware should not use auto select */ __u8 disabled; /* Disable the feature */ __u16 flags; /* Various specifc flags (if any) */ }; /* * For all data larger than 16 octets, we need to use a * pointer to memory allocated in user space. */ struct iw_point { void *pointer; /* Pointer to the data (in user space) */ __u16 length; /* number of fields or size in bytes */ __u16 flags; /* Optional params */ }; /* * A frequency * For numbers lower than 10^9, we encode the number in 'm' and * set 'e' to 0 * For number greater than 10^9, we divide it by the lowest power * of 10 to get 'm' lower than 10^9, with 'm'= f / (10^'e')... * The power of 10 is in 'e', the result of the division is in 'm'. */ struct iw_freq { __s32 m; /* Mantissa */ __s16 e; /* Exponent */ __u8 i; /* List index (when in range struct) */ __u8 flags; /* Flags (fixed/auto) */ }; /* * Quality of the link */ struct iw_quality { __u8 qual; /* link quality (%retries, SNR, %missed beacons or better...) */ __u8 level; /* signal level (dBm) */ __u8 noise; /* noise level (dBm) */ __u8 updated; /* Flags to know if updated */ }; /* * Packet discarded in the wireless adapter due to * "wireless" specific problems... * Note : the list of counter and statistics in net_device_stats * is already pretty exhaustive, and you should use that first. * This is only additional stats... */ struct iw_discarded { __u32 nwid; /* Rx : Wrong nwid/essid */ __u32 code; /* Rx : Unable to code/decode (WEP) */ __u32 fragment; /* Rx : Can't perform MAC reassembly */ __u32 retries; /* Tx : Max MAC retries num reached */ __u32 misc; /* Others cases */ }; /* * Packet/Time period missed in the wireless adapter due to * "wireless" specific problems... */ struct iw_missed { __u32 beacon; /* Missed beacons/superframe */ }; /* * Quality range (for spy threshold) */ struct iw_thrspy { struct sockaddr addr; /* Source address (hw/mac) */ struct iw_quality qual; /* Quality of the link */ struct iw_quality low; /* Low threshold */ struct iw_quality high; /* High threshold */ }; /* * Optional data for scan request * * Note: these optional parameters are controlling parameters for the * scanning behavior, these do not apply to getting scan results * (SIOCGIWSCAN). Drivers are expected to keep a local BSS table and * provide a merged results with all BSSes even if the previous scan * request limited scanning to a subset, e.g., by specifying an SSID. * Especially, scan results are required to include an entry for the * current BSS if the driver is in Managed mode and associated with an AP. */ struct iw_scan_req { __u8 scan_type; /* IW_SCAN_TYPE_{ACTIVE,PASSIVE} */ __u8 essid_len; __u8 num_channels; /* num entries in channel_list; * 0 = scan all allowed channels */ __u8 flags; /* reserved as padding; use zero, this may * be used in the future for adding flags * to request different scan behavior */ struct sockaddr bssid; /* ff:ff:ff:ff:ff:ff for broadcast BSSID or * individual address of a specific BSS */ /* * Use this ESSID if IW_SCAN_THIS_ESSID flag is used instead of using * the current ESSID. This allows scan requests for specific ESSID * without having to change the current ESSID and potentially breaking * the current association. */ __u8 essid[IW_ESSID_MAX_SIZE]; /* * Optional parameters for changing the default scanning behavior. * These are based on the MLME-SCAN.request from IEEE Std 802.11. * TU is 1.024 ms. If these are set to 0, driver is expected to use * reasonable default values. min_channel_time defines the time that * will be used to wait for the first reply on each channel. If no * replies are received, next channel will be scanned after this. If * replies are received, total time waited on the channel is defined by * max_channel_time. */ __u32 min_channel_time; /* in TU */ __u32 max_channel_time; /* in TU */ struct iw_freq channel_list[IW_MAX_FREQUENCIES]; }; /* ------------------------- WPA SUPPORT ------------------------- */ /* * Extended data structure for get/set encoding (this is used with * SIOCSIWENCODEEXT/SIOCGIWENCODEEXT. struct iw_point and IW_ENCODE_* * flags are used in the same way as with SIOCSIWENCODE/SIOCGIWENCODE and * only the data contents changes (key data -> this structure, including * key data). * * If the new key is the first group key, it will be set as the default * TX key. Otherwise, default TX key index is only changed if * IW_ENCODE_EXT_SET_TX_KEY flag is set. * * Key will be changed with SIOCSIWENCODEEXT in all cases except for * special "change TX key index" operation which is indicated by setting * key_len = 0 and ext_flags |= IW_ENCODE_EXT_SET_TX_KEY. * * tx_seq/rx_seq are only used when respective * IW_ENCODE_EXT_{TX,RX}_SEQ_VALID flag is set in ext_flags. Normal * TKIP/CCMP operation is to set RX seq with SIOCSIWENCODEEXT and start * TX seq from zero whenever key is changed. SIOCGIWENCODEEXT is normally * used only by an Authenticator (AP or an IBSS station) to get the * current TX sequence number. Using TX_SEQ_VALID for SIOCSIWENCODEEXT and * RX_SEQ_VALID for SIOCGIWENCODEEXT are optional, but can be useful for * debugging/testing. */ struct iw_encode_ext { __u32 ext_flags; /* IW_ENCODE_EXT_* */ __u8 tx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ __u8 rx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ struct sockaddr addr; /* ff:ff:ff:ff:ff:ff for broadcast/multicast * (group) keys or unicast address for * individual keys */ __u16 alg; /* IW_ENCODE_ALG_* */ __u16 key_len; __u8 key[0]; }; /* SIOCSIWMLME data */ struct iw_mlme { __u16 cmd; /* IW_MLME_* */ __u16 reason_code; struct sockaddr addr; }; /* SIOCSIWPMKSA data */ #define IW_PMKSA_ADD 1 #define IW_PMKSA_REMOVE 2 #define IW_PMKSA_FLUSH 3 #define IW_PMKID_LEN 16 struct iw_pmksa { __u32 cmd; /* IW_PMKSA_* */ struct sockaddr bssid; __u8 pmkid[IW_PMKID_LEN]; }; /* IWEVMICHAELMICFAILURE data */ struct iw_michaelmicfailure { __u32 flags; struct sockaddr src_addr; __u8 tsc[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ }; /* IWEVPMKIDCAND data */ #define IW_PMKID_CAND_PREAUTH 0x00000001 /* RNS pre-authentication enabled */ struct iw_pmkid_cand { __u32 flags; /* IW_PMKID_CAND_* */ __u32 index; /* the smaller the index, the higher the * priority */ struct sockaddr bssid; }; /* ------------------------ WIRELESS STATS ------------------------ */ /* * Wireless statistics (used for /proc/net/wireless) */ struct iw_statistics { __u16 status; /* Status * - device dependent for now */ struct iw_quality qual; /* Quality of the link * (instant/mean/max) */ struct iw_discarded discard; /* Packet discarded counts */ struct iw_missed miss; /* Packet missed counts */ }; /* ------------------------ IOCTL REQUEST ------------------------ */ /* * This structure defines the payload of an ioctl, and is used * below. * * Note that this structure should fit on the memory footprint * of iwreq (which is the same as ifreq), which mean a max size of * 16 octets = 128 bits. Warning, pointers might be 64 bits wide... * You should check this when increasing the structures defined * above in this file... */ union iwreq_data { /* Config - generic */ char name[IFNAMSIZ]; /* Name : used to verify the presence of wireless extensions. * Name of the protocol/provider... */ struct iw_point essid; /* Extended network name */ struct iw_param nwid; /* network id (or domain - the cell) */ struct iw_freq freq; /* frequency or channel : * 0-1000 = channel * > 1000 = frequency in Hz */ struct iw_param sens; /* signal level threshold */ struct iw_param bitrate; /* default bit rate */ struct iw_param txpower; /* default transmit power */ struct iw_param rts; /* RTS threshold threshold */ struct iw_param frag; /* Fragmentation threshold */ __u32 mode; /* Operation mode */ struct iw_param retry; /* Retry limits & lifetime */ struct iw_point encoding; /* Encoding stuff : tokens */ struct iw_param power; /* PM duration/timeout */ struct iw_quality qual; /* Quality part of statistics */ struct sockaddr ap_addr; /* Access point address */ struct sockaddr addr; /* Destination address (hw/mac) */ struct iw_param param; /* Other small parameters */ struct iw_point data; /* Other large parameters */ }; /* * The structure to exchange data for ioctl. * This structure is the same as 'struct ifreq', but (re)defined for * convenience... * Do I need to remind you about structure size (32 octets) ? */ struct iwreq { union { char ifrn_name[IFNAMSIZ]; /* if name, e.g. "eth0" */ } ifr_ifrn; /* Data part (defined just above) */ union iwreq_data u; }; /* -------------------------- IOCTL DATA -------------------------- */ /* * For those ioctl which want to exchange mode data that what could * fit in the above structure... */ /* * Range of parameters */ struct iw_range { /* Informative stuff (to choose between different interface) */ __u32 throughput; /* To give an idea... */ /* In theory this value should be the maximum benchmarked * TCP/IP throughput, because with most of these devices the * bit rate is meaningless (overhead an co) to estimate how * fast the connection will go and pick the fastest one. * I suggest people to play with Netperf or any benchmark... */ /* NWID (or domain id) */ __u32 min_nwid; /* Minimal NWID we are able to set */ __u32 max_nwid; /* Maximal NWID we are able to set */ /* Old Frequency (backward compat - moved lower ) */ __u16 old_num_channels; __u8 old_num_frequency; /* Scan capabilities */ __u8 scan_capa; /* IW_SCAN_CAPA_* bit field */ /* Wireless event capability bitmasks */ __u32 event_capa[6]; /* signal level threshold range */ __s32 sensitivity; /* Quality of link & SNR stuff */ /* Quality range (link, level, noise) * If the quality is absolute, it will be in the range [0 ; max_qual], * if the quality is dBm, it will be in the range [max_qual ; 0]. * Don't forget that we use 8 bit arithmetics... */ struct iw_quality max_qual; /* Quality of the link */ /* This should contain the average/typical values of the quality * indicator. This should be the threshold between a "good" and * a "bad" link (example : monitor going from green to orange). * Currently, user space apps like quality monitors don't have any * way to calibrate the measurement. With this, they can split * the range between 0 and max_qual in different quality level * (using a geometric subdivision centered on the average). * I expect that people doing the user space apps will feedback * us on which value we need to put in each driver... */ struct iw_quality avg_qual; /* Quality of the link */ /* Rates */ __u8 num_bitrates; /* Number of entries in the list */ __s32 bitrate[IW_MAX_BITRATES]; /* list, in bps */ /* RTS threshold */ __s32 min_rts; /* Minimal RTS threshold */ __s32 max_rts; /* Maximal RTS threshold */ /* Frag threshold */ __s32 min_frag; /* Minimal frag threshold */ __s32 max_frag; /* Maximal frag threshold */ /* Power Management duration & timeout */ __s32 min_pmp; /* Minimal PM period */ __s32 max_pmp; /* Maximal PM period */ __s32 min_pmt; /* Minimal PM timeout */ __s32 max_pmt; /* Maximal PM timeout */ __u16 pmp_flags; /* How to decode max/min PM period */ __u16 pmt_flags; /* How to decode max/min PM timeout */ __u16 pm_capa; /* What PM options are supported */ /* Encoder stuff */ __u16 encoding_size[IW_MAX_ENCODING_SIZES]; /* Different token sizes */ __u8 num_encoding_sizes; /* Number of entry in the list */ __u8 max_encoding_tokens; /* Max number of tokens */ /* For drivers that need a "login/passwd" form */ __u8 encoding_login_index; /* token index for login token */ /* Transmit power */ __u16 txpower_capa; /* What options are supported */ __u8 num_txpower; /* Number of entries in the list */ __s32 txpower[IW_MAX_TXPOWER]; /* list, in bps */ /* Wireless Extension version info */ __u8 we_version_compiled; /* Must be WIRELESS_EXT */ __u8 we_version_source; /* Last update of source */ /* Retry limits and lifetime */ __u16 retry_capa; /* What retry options are supported */ __u16 retry_flags; /* How to decode max/min retry limit */ __u16 r_time_flags; /* How to decode max/min retry life */ __s32 min_retry; /* Minimal number of retries */ __s32 max_retry; /* Maximal number of retries */ __s32 min_r_time; /* Minimal retry lifetime */ __s32 max_r_time; /* Maximal retry lifetime */ /* Frequency */ __u16 num_channels; /* Number of channels [0; num - 1] */ __u8 num_frequency; /* Number of entry in the list */ struct iw_freq freq[IW_MAX_FREQUENCIES]; /* list */ /* Note : this frequency list doesn't need to fit channel numbers, * because each entry contain its channel index */ __u32 enc_capa; /* IW_ENC_CAPA_* bit field */ }; /* * Private ioctl interface information */ struct iw_priv_args { __u32 cmd; /* Number of the ioctl to issue */ __u16 set_args; /* Type and number of args */ __u16 get_args; /* Type and number of args */ char name[IFNAMSIZ]; /* Name of the extension */ }; /* ----------------------- WIRELESS EVENTS ----------------------- */ /* * Wireless events are carried through the rtnetlink socket to user * space. They are encapsulated in the IFLA_WIRELESS field of * a RTM_NEWLINK message. */ /* * A Wireless Event. Contains basically the same data as the ioctl... */ struct iw_event { __u16 len; /* Real length of this stuff */ __u16 cmd; /* Wireless IOCTL */ union iwreq_data u; /* IOCTL fixed payload */ }; /* Size of the Event prefix (including padding and alignement junk) */ #define IW_EV_LCP_LEN (sizeof(struct iw_event) - sizeof(union iwreq_data)) /* Size of the various events */ #define IW_EV_CHAR_LEN (IW_EV_LCP_LEN + IFNAMSIZ) #define IW_EV_UINT_LEN (IW_EV_LCP_LEN + sizeof(__u32)) #define IW_EV_FREQ_LEN (IW_EV_LCP_LEN + sizeof(struct iw_freq)) #define IW_EV_PARAM_LEN (IW_EV_LCP_LEN + sizeof(struct iw_param)) #define IW_EV_ADDR_LEN (IW_EV_LCP_LEN + sizeof(struct sockaddr)) #define IW_EV_QUAL_LEN (IW_EV_LCP_LEN + sizeof(struct iw_quality)) /* iw_point events are special. First, the payload (extra data) come at * the end of the event, so they are bigger than IW_EV_POINT_LEN. Second, * we omit the pointer, so start at an offset. */ #define IW_EV_POINT_OFF (((char *) &(((struct iw_point *) NULL)->length)) - \ (char *) NULL) #define IW_EV_POINT_LEN (IW_EV_LCP_LEN + sizeof(struct iw_point) - \ IW_EV_POINT_OFF) /* Size of the Event prefix when packed in stream */ #define IW_EV_LCP_PK_LEN (4) /* Size of the various events when packed in stream */ #define IW_EV_CHAR_PK_LEN (IW_EV_LCP_PK_LEN + IFNAMSIZ) #define IW_EV_UINT_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(__u32)) #define IW_EV_FREQ_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_freq)) #define IW_EV_PARAM_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_param)) #define IW_EV_ADDR_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct sockaddr)) #define IW_EV_QUAL_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_quality)) #define IW_EV_POINT_PK_LEN (IW_EV_LCP_PK_LEN + 4) #endif /* _LINUX_WIRELESS_H */ lldpd-1.0.18/include/linux/if_vlan.h0000644000076400001440000000340114213121371016500 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * VLAN An implementation of 802.1Q VLAN tagging. * * Authors: Ben Greear * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * */ #ifndef _LINUX_IF_VLAN_H_ #define _LINUX_IF_VLAN_H_ /* VLAN IOCTLs are found in sockios.h */ /* Passed in vlan_ioctl_args structure to determine behaviour. */ enum vlan_ioctl_cmds { ADD_VLAN_CMD, DEL_VLAN_CMD, SET_VLAN_INGRESS_PRIORITY_CMD, SET_VLAN_EGRESS_PRIORITY_CMD, GET_VLAN_INGRESS_PRIORITY_CMD, GET_VLAN_EGRESS_PRIORITY_CMD, SET_VLAN_NAME_TYPE_CMD, SET_VLAN_FLAG_CMD, GET_VLAN_REALDEV_NAME_CMD, /* If this works, you know it's a VLAN device, btw */ GET_VLAN_VID_CMD /* Get the VID of this VLAN (specified by name) */ }; enum vlan_flags { VLAN_FLAG_REORDER_HDR = 0x1, VLAN_FLAG_GVRP = 0x2, VLAN_FLAG_LOOSE_BINDING = 0x4, VLAN_FLAG_MVRP = 0x8, }; enum vlan_name_types { VLAN_NAME_TYPE_PLUS_VID, /* Name will look like: vlan0005 */ VLAN_NAME_TYPE_RAW_PLUS_VID, /* name will look like: eth1.0005 */ VLAN_NAME_TYPE_PLUS_VID_NO_PAD, /* Name will look like: vlan5 */ VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD, /* Name will look like: eth0.5 */ VLAN_NAME_TYPE_HIGHEST }; struct vlan_ioctl_args { int cmd; /* Should be one of the vlan_ioctl_cmds enum above. */ char device1[24]; union { char device2[24]; int VID; unsigned int skb_priority; unsigned int name_type; unsigned int bind_type; unsigned int flag; /* Matches vlan_dev_priv flags */ } u; short vlan_qos; }; #endif /* _LINUX_IF_VLAN_H_ */ lldpd-1.0.18/include/linux/kernel.h0000644000076400001440000000066414213121371016352 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _LINUX_KERNEL_H #define _LINUX_KERNEL_H #include /* * 'kernel.h' contains some often-used function prototypes etc */ #define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1) #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) #endif /* _LINUX_KERNEL_H */ lldpd-1.0.18/include/linux/if_link.h0000644000076400001440000005502714213121371016510 0ustar00bernatusers/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _LINUX_IF_LINK_H #define _LINUX_IF_LINK_H #include #include /* This struct should be in sync with struct rtnl_link_stats64 */ struct rtnl_link_stats { __u32 rx_packets; /* total packets received */ __u32 tx_packets; /* total packets transmitted */ __u32 rx_bytes; /* total bytes received */ __u32 tx_bytes; /* total bytes transmitted */ __u32 rx_errors; /* bad packets received */ __u32 tx_errors; /* packet transmit problems */ __u32 rx_dropped; /* no space in linux buffers */ __u32 tx_dropped; /* no space available in linux */ __u32 multicast; /* multicast packets received */ __u32 collisions; /* detailed rx_errors: */ __u32 rx_length_errors; __u32 rx_over_errors; /* receiver ring buff overflow */ __u32 rx_crc_errors; /* recved pkt with crc error */ __u32 rx_frame_errors; /* recv'd frame alignment error */ __u32 rx_fifo_errors; /* recv'r fifo overrun */ __u32 rx_missed_errors; /* receiver missed packet */ /* detailed tx_errors */ __u32 tx_aborted_errors; __u32 tx_carrier_errors; __u32 tx_fifo_errors; __u32 tx_heartbeat_errors; __u32 tx_window_errors; /* for cslip etc */ __u32 rx_compressed; __u32 tx_compressed; __u32 rx_nohandler; /* dropped, no handler found */ }; /* The main device statistics structure */ struct rtnl_link_stats64 { __u64 rx_packets; /* total packets received */ __u64 tx_packets; /* total packets transmitted */ __u64 rx_bytes; /* total bytes received */ __u64 tx_bytes; /* total bytes transmitted */ __u64 rx_errors; /* bad packets received */ __u64 tx_errors; /* packet transmit problems */ __u64 rx_dropped; /* no space in linux buffers */ __u64 tx_dropped; /* no space available in linux */ __u64 multicast; /* multicast packets received */ __u64 collisions; /* detailed rx_errors: */ __u64 rx_length_errors; __u64 rx_over_errors; /* receiver ring buff overflow */ __u64 rx_crc_errors; /* recved pkt with crc error */ __u64 rx_frame_errors; /* recv'd frame alignment error */ __u64 rx_fifo_errors; /* recv'r fifo overrun */ __u64 rx_missed_errors; /* receiver missed packet */ /* detailed tx_errors */ __u64 tx_aborted_errors; __u64 tx_carrier_errors; __u64 tx_fifo_errors; __u64 tx_heartbeat_errors; __u64 tx_window_errors; /* for cslip etc */ __u64 rx_compressed; __u64 tx_compressed; __u64 rx_nohandler; /* dropped, no handler found */ }; /* The struct should be in sync with struct ifmap */ struct rtnl_link_ifmap { __u64 mem_start; __u64 mem_end; __u64 base_addr; __u16 irq; __u8 dma; __u8 port; }; /* * IFLA_AF_SPEC * Contains nested attributes for address family specific attributes. * Each address family may create a attribute with the address family * number as type and create its own attribute structure in it. * * Example: * [IFLA_AF_SPEC] = { * [AF_INET] = { * [IFLA_INET_CONF] = ..., * }, * [AF_INET6] = { * [IFLA_INET6_FLAGS] = ..., * [IFLA_INET6_CONF] = ..., * } * } */ enum { IFLA_UNSPEC, IFLA_ADDRESS, IFLA_BROADCAST, IFLA_IFNAME, IFLA_MTU, IFLA_LINK, IFLA_QDISC, IFLA_STATS, IFLA_COST, #define IFLA_COST IFLA_COST IFLA_PRIORITY, #define IFLA_PRIORITY IFLA_PRIORITY IFLA_MASTER, #define IFLA_MASTER IFLA_MASTER IFLA_WIRELESS, /* Wireless Extension event - see wireless.h */ #define IFLA_WIRELESS IFLA_WIRELESS IFLA_PROTINFO, /* Protocol specific information for a link */ #define IFLA_PROTINFO IFLA_PROTINFO IFLA_TXQLEN, #define IFLA_TXQLEN IFLA_TXQLEN IFLA_MAP, #define IFLA_MAP IFLA_MAP IFLA_WEIGHT, #define IFLA_WEIGHT IFLA_WEIGHT IFLA_OPERSTATE, IFLA_LINKMODE, IFLA_LINKINFO, #define IFLA_LINKINFO IFLA_LINKINFO IFLA_NET_NS_PID, IFLA_IFALIAS, IFLA_NUM_VF, /* Number of VFs if device is SR-IOV PF */ IFLA_VFINFO_LIST, IFLA_STATS64, IFLA_VF_PORTS, IFLA_PORT_SELF, IFLA_AF_SPEC, IFLA_GROUP, /* Group the device belongs to */ IFLA_NET_NS_FD, IFLA_EXT_MASK, /* Extended info mask, VFs, etc */ IFLA_PROMISCUITY, /* Promiscuity count: > 0 means acts PROMISC */ #define IFLA_PROMISCUITY IFLA_PROMISCUITY IFLA_NUM_TX_QUEUES, IFLA_NUM_RX_QUEUES, IFLA_CARRIER, IFLA_PHYS_PORT_ID, IFLA_CARRIER_CHANGES, IFLA_PHYS_SWITCH_ID, IFLA_LINK_NETNSID, IFLA_PHYS_PORT_NAME, IFLA_PROTO_DOWN, IFLA_GSO_MAX_SEGS, IFLA_GSO_MAX_SIZE, IFLA_PAD, IFLA_XDP, IFLA_EVENT, IFLA_NEW_NETNSID, IFLA_IF_NETNSID, IFLA_CARRIER_UP_COUNT, IFLA_CARRIER_DOWN_COUNT, IFLA_NEW_IFINDEX, IFLA_MIN_MTU, IFLA_MAX_MTU, __IFLA_MAX }; #define IFLA_MAX (__IFLA_MAX - 1) /* backwards compatibility for userspace */ #define IFLA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg)))) #define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg)) enum { IFLA_INET_UNSPEC, IFLA_INET_CONF, __IFLA_INET_MAX, }; #define IFLA_INET_MAX (__IFLA_INET_MAX - 1) /* ifi_flags. IFF_* flags. The only change is: IFF_LOOPBACK, IFF_BROADCAST and IFF_POINTOPOINT are more not changeable by user. They describe link media characteristics and set by device driver. Comments: - Combination IFF_BROADCAST|IFF_POINTOPOINT is invalid - If neither of these three flags are set; the interface is NBMA. - IFF_MULTICAST does not mean anything special: multicasts can be used on all not-NBMA links. IFF_MULTICAST means that this media uses special encapsulation for multicast frames. Apparently, all IFF_POINTOPOINT and IFF_BROADCAST devices are able to use multicasts too. */ /* IFLA_LINK. For usual devices it is equal ifi_index. If it is a "virtual interface" (f.e. tunnel), ifi_link can point to real physical interface (f.e. for bandwidth calculations), or maybe 0, what means, that real media is unknown (usual for IPIP tunnels, when route to endpoint is allowed to change) */ /* Subtype attributes for IFLA_PROTINFO */ enum { IFLA_INET6_UNSPEC, IFLA_INET6_FLAGS, /* link flags */ IFLA_INET6_CONF, /* sysctl parameters */ IFLA_INET6_STATS, /* statistics */ IFLA_INET6_MCAST, /* MC things. What of them? */ IFLA_INET6_CACHEINFO, /* time values and max reasm size */ IFLA_INET6_ICMP6STATS, /* statistics (icmpv6) */ IFLA_INET6_TOKEN, /* device token */ IFLA_INET6_ADDR_GEN_MODE, /* implicit address generator mode */ __IFLA_INET6_MAX }; #define IFLA_INET6_MAX (__IFLA_INET6_MAX - 1) enum in6_addr_gen_mode { IN6_ADDR_GEN_MODE_EUI64, IN6_ADDR_GEN_MODE_NONE, IN6_ADDR_GEN_MODE_STABLE_PRIVACY, IN6_ADDR_GEN_MODE_RANDOM, }; /* Bridge section */ enum { IFLA_BR_UNSPEC, IFLA_BR_FORWARD_DELAY, IFLA_BR_HELLO_TIME, IFLA_BR_MAX_AGE, IFLA_BR_AGEING_TIME, IFLA_BR_STP_STATE, IFLA_BR_PRIORITY, IFLA_BR_VLAN_FILTERING, IFLA_BR_VLAN_PROTOCOL, IFLA_BR_GROUP_FWD_MASK, IFLA_BR_ROOT_ID, IFLA_BR_BRIDGE_ID, IFLA_BR_ROOT_PORT, IFLA_BR_ROOT_PATH_COST, IFLA_BR_TOPOLOGY_CHANGE, IFLA_BR_TOPOLOGY_CHANGE_DETECTED, IFLA_BR_HELLO_TIMER, IFLA_BR_TCN_TIMER, IFLA_BR_TOPOLOGY_CHANGE_TIMER, IFLA_BR_GC_TIMER, IFLA_BR_GROUP_ADDR, IFLA_BR_FDB_FLUSH, IFLA_BR_MCAST_ROUTER, IFLA_BR_MCAST_SNOOPING, IFLA_BR_MCAST_QUERY_USE_IFADDR, IFLA_BR_MCAST_QUERIER, IFLA_BR_MCAST_HASH_ELASTICITY, IFLA_BR_MCAST_HASH_MAX, IFLA_BR_MCAST_LAST_MEMBER_CNT, IFLA_BR_MCAST_STARTUP_QUERY_CNT, IFLA_BR_MCAST_LAST_MEMBER_INTVL, IFLA_BR_MCAST_MEMBERSHIP_INTVL, IFLA_BR_MCAST_QUERIER_INTVL, IFLA_BR_MCAST_QUERY_INTVL, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, IFLA_BR_MCAST_STARTUP_QUERY_INTVL, IFLA_BR_NF_CALL_IPTABLES, IFLA_BR_NF_CALL_IP6TABLES, IFLA_BR_NF_CALL_ARPTABLES, IFLA_BR_VLAN_DEFAULT_PVID, IFLA_BR_PAD, IFLA_BR_VLAN_STATS_ENABLED, IFLA_BR_MCAST_STATS_ENABLED, IFLA_BR_MCAST_IGMP_VERSION, IFLA_BR_MCAST_MLD_VERSION, __IFLA_BR_MAX, }; #define IFLA_BR_MAX (__IFLA_BR_MAX - 1) struct ifla_bridge_id { __u8 prio[2]; __u8 addr[6]; /* ETH_ALEN */ }; enum { BRIDGE_MODE_UNSPEC, BRIDGE_MODE_HAIRPIN, }; enum { IFLA_BRPORT_UNSPEC, IFLA_BRPORT_STATE, /* Spanning tree state */ IFLA_BRPORT_PRIORITY, /* " priority */ IFLA_BRPORT_COST, /* " cost */ IFLA_BRPORT_MODE, /* mode (hairpin) */ IFLA_BRPORT_GUARD, /* bpdu guard */ IFLA_BRPORT_PROTECT, /* root port protection */ IFLA_BRPORT_FAST_LEAVE, /* multicast fast leave */ IFLA_BRPORT_LEARNING, /* mac learning */ IFLA_BRPORT_UNICAST_FLOOD, /* flood unicast traffic */ IFLA_BRPORT_PROXYARP, /* proxy ARP */ IFLA_BRPORT_LEARNING_SYNC, /* mac learning sync from device */ IFLA_BRPORT_PROXYARP_WIFI, /* proxy ARP for Wi-Fi */ IFLA_BRPORT_ROOT_ID, /* designated root */ IFLA_BRPORT_BRIDGE_ID, /* designated bridge */ IFLA_BRPORT_DESIGNATED_PORT, IFLA_BRPORT_DESIGNATED_COST, IFLA_BRPORT_ID, IFLA_BRPORT_NO, IFLA_BRPORT_TOPOLOGY_CHANGE_ACK, IFLA_BRPORT_CONFIG_PENDING, IFLA_BRPORT_MESSAGE_AGE_TIMER, IFLA_BRPORT_FORWARD_DELAY_TIMER, IFLA_BRPORT_HOLD_TIMER, IFLA_BRPORT_FLUSH, IFLA_BRPORT_MULTICAST_ROUTER, IFLA_BRPORT_PAD, IFLA_BRPORT_MCAST_FLOOD, IFLA_BRPORT_MCAST_TO_UCAST, IFLA_BRPORT_VLAN_TUNNEL, IFLA_BRPORT_BCAST_FLOOD, IFLA_BRPORT_GROUP_FWD_MASK, IFLA_BRPORT_NEIGH_SUPPRESS, IFLA_BRPORT_ISOLATED, IFLA_BRPORT_BACKUP_PORT, __IFLA_BRPORT_MAX }; #define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1) struct ifla_cacheinfo { __u32 max_reasm_len; __u32 tstamp; /* ipv6InterfaceTable updated timestamp */ __u32 reachable_time; __u32 retrans_time; }; enum { IFLA_INFO_UNSPEC, IFLA_INFO_KIND, IFLA_INFO_DATA, IFLA_INFO_XSTATS, IFLA_INFO_SLAVE_KIND, IFLA_INFO_SLAVE_DATA, __IFLA_INFO_MAX, }; #define IFLA_INFO_MAX (__IFLA_INFO_MAX - 1) /* VLAN section */ enum { IFLA_VLAN_UNSPEC, IFLA_VLAN_ID, IFLA_VLAN_FLAGS, IFLA_VLAN_EGRESS_QOS, IFLA_VLAN_INGRESS_QOS, IFLA_VLAN_PROTOCOL, __IFLA_VLAN_MAX, }; #define IFLA_VLAN_MAX (__IFLA_VLAN_MAX - 1) struct ifla_vlan_flags { __u32 flags; __u32 mask; }; enum { IFLA_VLAN_QOS_UNSPEC, IFLA_VLAN_QOS_MAPPING, __IFLA_VLAN_QOS_MAX }; #define IFLA_VLAN_QOS_MAX (__IFLA_VLAN_QOS_MAX - 1) struct ifla_vlan_qos_mapping { __u32 from; __u32 to; }; /* MACVLAN section */ enum { IFLA_MACVLAN_UNSPEC, IFLA_MACVLAN_MODE, IFLA_MACVLAN_FLAGS, IFLA_MACVLAN_MACADDR_MODE, IFLA_MACVLAN_MACADDR, IFLA_MACVLAN_MACADDR_DATA, IFLA_MACVLAN_MACADDR_COUNT, __IFLA_MACVLAN_MAX, }; #define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1) enum macvlan_mode { MACVLAN_MODE_PRIVATE = 1, /* don't talk to other macvlans */ MACVLAN_MODE_VEPA = 2, /* talk to other ports through ext bridge */ MACVLAN_MODE_BRIDGE = 4, /* talk to bridge ports directly */ MACVLAN_MODE_PASSTHRU = 8,/* take over the underlying device */ MACVLAN_MODE_SOURCE = 16,/* use source MAC address list to assign */ }; enum macvlan_macaddr_mode { MACVLAN_MACADDR_ADD, MACVLAN_MACADDR_DEL, MACVLAN_MACADDR_FLUSH, MACVLAN_MACADDR_SET, }; #define MACVLAN_FLAG_NOPROMISC 1 /* VRF section */ enum { IFLA_VRF_UNSPEC, IFLA_VRF_TABLE, __IFLA_VRF_MAX }; #define IFLA_VRF_MAX (__IFLA_VRF_MAX - 1) enum { IFLA_VRF_PORT_UNSPEC, IFLA_VRF_PORT_TABLE, __IFLA_VRF_PORT_MAX }; #define IFLA_VRF_PORT_MAX (__IFLA_VRF_PORT_MAX - 1) /* MACSEC section */ enum { IFLA_MACSEC_UNSPEC, IFLA_MACSEC_SCI, IFLA_MACSEC_PORT, IFLA_MACSEC_ICV_LEN, IFLA_MACSEC_CIPHER_SUITE, IFLA_MACSEC_WINDOW, IFLA_MACSEC_ENCODING_SA, IFLA_MACSEC_ENCRYPT, IFLA_MACSEC_PROTECT, IFLA_MACSEC_INC_SCI, IFLA_MACSEC_ES, IFLA_MACSEC_SCB, IFLA_MACSEC_REPLAY_PROTECT, IFLA_MACSEC_VALIDATION, IFLA_MACSEC_PAD, __IFLA_MACSEC_MAX, }; #define IFLA_MACSEC_MAX (__IFLA_MACSEC_MAX - 1) /* XFRM section */ enum { IFLA_XFRM_UNSPEC, IFLA_XFRM_LINK, IFLA_XFRM_IF_ID, __IFLA_XFRM_MAX }; #define IFLA_XFRM_MAX (__IFLA_XFRM_MAX - 1) enum macsec_validation_type { MACSEC_VALIDATE_DISABLED = 0, MACSEC_VALIDATE_CHECK = 1, MACSEC_VALIDATE_STRICT = 2, __MACSEC_VALIDATE_END, MACSEC_VALIDATE_MAX = __MACSEC_VALIDATE_END - 1, }; /* IPVLAN section */ enum { IFLA_IPVLAN_UNSPEC, IFLA_IPVLAN_MODE, IFLA_IPVLAN_FLAGS, __IFLA_IPVLAN_MAX }; #define IFLA_IPVLAN_MAX (__IFLA_IPVLAN_MAX - 1) enum ipvlan_mode { IPVLAN_MODE_L2 = 0, IPVLAN_MODE_L3, IPVLAN_MODE_L3S, IPVLAN_MODE_MAX }; #define IPVLAN_F_PRIVATE 0x01 #define IPVLAN_F_VEPA 0x02 /* VXLAN section */ enum { IFLA_VXLAN_UNSPEC, IFLA_VXLAN_ID, IFLA_VXLAN_GROUP, /* group or remote address */ IFLA_VXLAN_LINK, IFLA_VXLAN_LOCAL, IFLA_VXLAN_TTL, IFLA_VXLAN_TOS, IFLA_VXLAN_LEARNING, IFLA_VXLAN_AGEING, IFLA_VXLAN_LIMIT, IFLA_VXLAN_PORT_RANGE, /* source port */ IFLA_VXLAN_PROXY, IFLA_VXLAN_RSC, IFLA_VXLAN_L2MISS, IFLA_VXLAN_L3MISS, IFLA_VXLAN_PORT, /* destination port */ IFLA_VXLAN_GROUP6, IFLA_VXLAN_LOCAL6, IFLA_VXLAN_UDP_CSUM, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, IFLA_VXLAN_REMCSUM_TX, IFLA_VXLAN_REMCSUM_RX, IFLA_VXLAN_GBP, IFLA_VXLAN_REMCSUM_NOPARTIAL, IFLA_VXLAN_COLLECT_METADATA, IFLA_VXLAN_LABEL, IFLA_VXLAN_GPE, IFLA_VXLAN_TTL_INHERIT, __IFLA_VXLAN_MAX }; #define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1) struct ifla_vxlan_port_range { __be16 low; __be16 high; }; /* GENEVE section */ enum { IFLA_GENEVE_UNSPEC, IFLA_GENEVE_ID, IFLA_GENEVE_REMOTE, IFLA_GENEVE_TTL, IFLA_GENEVE_TOS, IFLA_GENEVE_PORT, /* destination port */ IFLA_GENEVE_COLLECT_METADATA, IFLA_GENEVE_REMOTE6, IFLA_GENEVE_UDP_CSUM, IFLA_GENEVE_UDP_ZERO_CSUM6_TX, IFLA_GENEVE_UDP_ZERO_CSUM6_RX, IFLA_GENEVE_LABEL, __IFLA_GENEVE_MAX }; #define IFLA_GENEVE_MAX (__IFLA_GENEVE_MAX - 1) /* PPP section */ enum { IFLA_PPP_UNSPEC, IFLA_PPP_DEV_FD, __IFLA_PPP_MAX }; #define IFLA_PPP_MAX (__IFLA_PPP_MAX - 1) /* GTP section */ enum ifla_gtp_role { GTP_ROLE_GGSN = 0, GTP_ROLE_SGSN, }; enum { IFLA_GTP_UNSPEC, IFLA_GTP_FD0, IFLA_GTP_FD1, IFLA_GTP_PDP_HASHSIZE, IFLA_GTP_ROLE, __IFLA_GTP_MAX, }; #define IFLA_GTP_MAX (__IFLA_GTP_MAX - 1) /* Bonding section */ enum { IFLA_BOND_UNSPEC, IFLA_BOND_MODE, IFLA_BOND_ACTIVE_SLAVE, IFLA_BOND_MIIMON, IFLA_BOND_UPDELAY, IFLA_BOND_DOWNDELAY, IFLA_BOND_USE_CARRIER, IFLA_BOND_ARP_INTERVAL, IFLA_BOND_ARP_IP_TARGET, IFLA_BOND_ARP_VALIDATE, IFLA_BOND_ARP_ALL_TARGETS, IFLA_BOND_PRIMARY, IFLA_BOND_PRIMARY_RESELECT, IFLA_BOND_FAIL_OVER_MAC, IFLA_BOND_XMIT_HASH_POLICY, IFLA_BOND_RESEND_IGMP, IFLA_BOND_NUM_PEER_NOTIF, IFLA_BOND_ALL_SLAVES_ACTIVE, IFLA_BOND_MIN_LINKS, IFLA_BOND_LP_INTERVAL, IFLA_BOND_PACKETS_PER_SLAVE, IFLA_BOND_AD_LACP_RATE, IFLA_BOND_AD_SELECT, IFLA_BOND_AD_INFO, IFLA_BOND_AD_ACTOR_SYS_PRIO, IFLA_BOND_AD_USER_PORT_KEY, IFLA_BOND_AD_ACTOR_SYSTEM, IFLA_BOND_TLB_DYNAMIC_LB, __IFLA_BOND_MAX, }; #define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1) enum { IFLA_BOND_AD_INFO_UNSPEC, IFLA_BOND_AD_INFO_AGGREGATOR, IFLA_BOND_AD_INFO_NUM_PORTS, IFLA_BOND_AD_INFO_ACTOR_KEY, IFLA_BOND_AD_INFO_PARTNER_KEY, IFLA_BOND_AD_INFO_PARTNER_MAC, __IFLA_BOND_AD_INFO_MAX, }; #define IFLA_BOND_AD_INFO_MAX (__IFLA_BOND_AD_INFO_MAX - 1) enum { IFLA_BOND_SLAVE_UNSPEC, IFLA_BOND_SLAVE_STATE, IFLA_BOND_SLAVE_MII_STATUS, IFLA_BOND_SLAVE_LINK_FAILURE_COUNT, IFLA_BOND_SLAVE_PERM_HWADDR, IFLA_BOND_SLAVE_QUEUE_ID, IFLA_BOND_SLAVE_AD_AGGREGATOR_ID, IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE, IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE, __IFLA_BOND_SLAVE_MAX, }; #define IFLA_BOND_SLAVE_MAX (__IFLA_BOND_SLAVE_MAX - 1) /* SR-IOV virtual function management section */ enum { IFLA_VF_INFO_UNSPEC, IFLA_VF_INFO, __IFLA_VF_INFO_MAX, }; #define IFLA_VF_INFO_MAX (__IFLA_VF_INFO_MAX - 1) enum { IFLA_VF_UNSPEC, IFLA_VF_MAC, /* Hardware queue specific attributes */ IFLA_VF_VLAN, /* VLAN ID and QoS */ IFLA_VF_TX_RATE, /* Max TX Bandwidth Allocation */ IFLA_VF_SPOOFCHK, /* Spoof Checking on/off switch */ IFLA_VF_LINK_STATE, /* link state enable/disable/auto switch */ IFLA_VF_RATE, /* Min and Max TX Bandwidth Allocation */ IFLA_VF_RSS_QUERY_EN, /* RSS Redirection Table and Hash Key query * on/off switch */ IFLA_VF_STATS, /* network device statistics */ IFLA_VF_TRUST, /* Trust VF */ IFLA_VF_IB_NODE_GUID, /* VF Infiniband node GUID */ IFLA_VF_IB_PORT_GUID, /* VF Infiniband port GUID */ IFLA_VF_VLAN_LIST, /* nested list of vlans, option for QinQ */ __IFLA_VF_MAX, }; #define IFLA_VF_MAX (__IFLA_VF_MAX - 1) struct ifla_vf_mac { __u32 vf; __u8 mac[32]; /* MAX_ADDR_LEN */ }; struct ifla_vf_vlan { __u32 vf; __u32 vlan; /* 0 - 4095, 0 disables VLAN filter */ __u32 qos; }; enum { IFLA_VF_VLAN_INFO_UNSPEC, IFLA_VF_VLAN_INFO, /* VLAN ID, QoS and VLAN protocol */ __IFLA_VF_VLAN_INFO_MAX, }; #define IFLA_VF_VLAN_INFO_MAX (__IFLA_VF_VLAN_INFO_MAX - 1) #define MAX_VLAN_LIST_LEN 1 struct ifla_vf_vlan_info { __u32 vf; __u32 vlan; /* 0 - 4095, 0 disables VLAN filter */ __u32 qos; __be16 vlan_proto; /* VLAN protocol either 802.1Q or 802.1ad */ }; struct ifla_vf_tx_rate { __u32 vf; __u32 rate; /* Max TX bandwidth in Mbps, 0 disables throttling */ }; struct ifla_vf_rate { __u32 vf; __u32 min_tx_rate; /* Min Bandwidth in Mbps */ __u32 max_tx_rate; /* Max Bandwidth in Mbps */ }; struct ifla_vf_spoofchk { __u32 vf; __u32 setting; }; struct ifla_vf_guid { __u32 vf; __u64 guid; }; enum { IFLA_VF_LINK_STATE_AUTO, /* link state of the uplink */ IFLA_VF_LINK_STATE_ENABLE, /* link always up */ IFLA_VF_LINK_STATE_DISABLE, /* link always down */ __IFLA_VF_LINK_STATE_MAX, }; struct ifla_vf_link_state { __u32 vf; __u32 link_state; }; struct ifla_vf_rss_query_en { __u32 vf; __u32 setting; }; enum { IFLA_VF_STATS_RX_PACKETS, IFLA_VF_STATS_TX_PACKETS, IFLA_VF_STATS_RX_BYTES, IFLA_VF_STATS_TX_BYTES, IFLA_VF_STATS_BROADCAST, IFLA_VF_STATS_MULTICAST, IFLA_VF_STATS_PAD, IFLA_VF_STATS_RX_DROPPED, IFLA_VF_STATS_TX_DROPPED, __IFLA_VF_STATS_MAX, }; #define IFLA_VF_STATS_MAX (__IFLA_VF_STATS_MAX - 1) struct ifla_vf_trust { __u32 vf; __u32 setting; }; /* VF ports management section * * Nested layout of set/get msg is: * * [IFLA_NUM_VF] * [IFLA_VF_PORTS] * [IFLA_VF_PORT] * [IFLA_PORT_*], ... * [IFLA_VF_PORT] * [IFLA_PORT_*], ... * ... * [IFLA_PORT_SELF] * [IFLA_PORT_*], ... */ enum { IFLA_VF_PORT_UNSPEC, IFLA_VF_PORT, /* nest */ __IFLA_VF_PORT_MAX, }; #define IFLA_VF_PORT_MAX (__IFLA_VF_PORT_MAX - 1) enum { IFLA_PORT_UNSPEC, IFLA_PORT_VF, /* __u32 */ IFLA_PORT_PROFILE, /* string */ IFLA_PORT_VSI_TYPE, /* 802.1Qbg (pre-)standard VDP */ IFLA_PORT_INSTANCE_UUID, /* binary UUID */ IFLA_PORT_HOST_UUID, /* binary UUID */ IFLA_PORT_REQUEST, /* __u8 */ IFLA_PORT_RESPONSE, /* __u16, output only */ __IFLA_PORT_MAX, }; #define IFLA_PORT_MAX (__IFLA_PORT_MAX - 1) #define PORT_PROFILE_MAX 40 #define PORT_UUID_MAX 16 #define PORT_SELF_VF -1 enum { PORT_REQUEST_PREASSOCIATE = 0, PORT_REQUEST_PREASSOCIATE_RR, PORT_REQUEST_ASSOCIATE, PORT_REQUEST_DISASSOCIATE, }; enum { PORT_VDP_RESPONSE_SUCCESS = 0, PORT_VDP_RESPONSE_INVALID_FORMAT, PORT_VDP_RESPONSE_INSUFFICIENT_RESOURCES, PORT_VDP_RESPONSE_UNUSED_VTID, PORT_VDP_RESPONSE_VTID_VIOLATION, PORT_VDP_RESPONSE_VTID_VERSION_VIOALTION, PORT_VDP_RESPONSE_OUT_OF_SYNC, /* 0x08-0xFF reserved for future VDP use */ PORT_PROFILE_RESPONSE_SUCCESS = 0x100, PORT_PROFILE_RESPONSE_INPROGRESS, PORT_PROFILE_RESPONSE_INVALID, PORT_PROFILE_RESPONSE_BADSTATE, PORT_PROFILE_RESPONSE_INSUFFICIENT_RESOURCES, PORT_PROFILE_RESPONSE_ERROR, }; struct ifla_port_vsi { __u8 vsi_mgr_id; __u8 vsi_type_id[3]; __u8 vsi_type_version; __u8 pad[3]; }; /* IPoIB section */ enum { IFLA_IPOIB_UNSPEC, IFLA_IPOIB_PKEY, IFLA_IPOIB_MODE, IFLA_IPOIB_UMCAST, __IFLA_IPOIB_MAX }; enum { IPOIB_MODE_DATAGRAM = 0, /* using unreliable datagram QPs */ IPOIB_MODE_CONNECTED = 1, /* using connected QPs */ }; #define IFLA_IPOIB_MAX (__IFLA_IPOIB_MAX - 1) /* HSR section */ enum { IFLA_HSR_UNSPEC, IFLA_HSR_SLAVE1, IFLA_HSR_SLAVE2, IFLA_HSR_MULTICAST_SPEC, /* Last byte of supervision addr */ IFLA_HSR_SUPERVISION_ADDR, /* Supervision frame multicast addr */ IFLA_HSR_SEQ_NR, IFLA_HSR_VERSION, /* HSR version */ __IFLA_HSR_MAX, }; #define IFLA_HSR_MAX (__IFLA_HSR_MAX - 1) /* STATS section */ struct if_stats_msg { __u8 family; __u8 pad1; __u16 pad2; __u32 ifindex; __u32 filter_mask; }; /* A stats attribute can be netdev specific or a global stat. * For netdev stats, lets use the prefix IFLA_STATS_LINK_* */ enum { IFLA_STATS_UNSPEC, /* also used as 64bit pad attribute */ IFLA_STATS_LINK_64, IFLA_STATS_LINK_XSTATS, IFLA_STATS_LINK_XSTATS_SLAVE, IFLA_STATS_LINK_OFFLOAD_XSTATS, IFLA_STATS_AF_SPEC, __IFLA_STATS_MAX, }; #define IFLA_STATS_MAX (__IFLA_STATS_MAX - 1) #define IFLA_STATS_FILTER_BIT(ATTR) (1 << (ATTR - 1)) /* These are embedded into IFLA_STATS_LINK_XSTATS: * [IFLA_STATS_LINK_XSTATS] * -> [LINK_XSTATS_TYPE_xxx] * -> [rtnl link type specific attributes] */ enum { LINK_XSTATS_TYPE_UNSPEC, LINK_XSTATS_TYPE_BRIDGE, __LINK_XSTATS_TYPE_MAX }; #define LINK_XSTATS_TYPE_MAX (__LINK_XSTATS_TYPE_MAX - 1) /* These are stats embedded into IFLA_STATS_LINK_OFFLOAD_XSTATS */ enum { IFLA_OFFLOAD_XSTATS_UNSPEC, IFLA_OFFLOAD_XSTATS_CPU_HIT, /* struct rtnl_link_stats64 */ __IFLA_OFFLOAD_XSTATS_MAX }; #define IFLA_OFFLOAD_XSTATS_MAX (__IFLA_OFFLOAD_XSTATS_MAX - 1) /* XDP section */ #define XDP_FLAGS_UPDATE_IF_NOEXIST (1U << 0) #define XDP_FLAGS_SKB_MODE (1U << 1) #define XDP_FLAGS_DRV_MODE (1U << 2) #define XDP_FLAGS_HW_MODE (1U << 3) #define XDP_FLAGS_MODES (XDP_FLAGS_SKB_MODE | \ XDP_FLAGS_DRV_MODE | \ XDP_FLAGS_HW_MODE) #define XDP_FLAGS_MASK (XDP_FLAGS_UPDATE_IF_NOEXIST | \ XDP_FLAGS_MODES) /* These are stored into IFLA_XDP_ATTACHED on dump. */ enum { XDP_ATTACHED_NONE = 0, XDP_ATTACHED_DRV, XDP_ATTACHED_SKB, XDP_ATTACHED_HW, XDP_ATTACHED_MULTI, }; enum { IFLA_XDP_UNSPEC, IFLA_XDP_FD, IFLA_XDP_ATTACHED, IFLA_XDP_FLAGS, IFLA_XDP_PROG_ID, IFLA_XDP_DRV_PROG_ID, IFLA_XDP_SKB_PROG_ID, IFLA_XDP_HW_PROG_ID, __IFLA_XDP_MAX, }; #define IFLA_XDP_MAX (__IFLA_XDP_MAX - 1) enum { IFLA_EVENT_NONE, IFLA_EVENT_REBOOT, /* internal reset / reboot */ IFLA_EVENT_FEATURES, /* change in offload features */ IFLA_EVENT_BONDING_FAILOVER, /* change in active slave */ IFLA_EVENT_NOTIFY_PEERS, /* re-sent grat. arp/ndisc */ IFLA_EVENT_IGMP_RESEND, /* re-sent IGMP JOIN */ IFLA_EVENT_BONDING_OPTIONS, /* change in bonding options */ }; /* tun section */ enum { IFLA_TUN_UNSPEC, IFLA_TUN_OWNER, IFLA_TUN_GROUP, IFLA_TUN_TYPE, IFLA_TUN_PI, IFLA_TUN_VNET_HDR, IFLA_TUN_PERSIST, IFLA_TUN_MULTI_QUEUE, IFLA_TUN_NUM_QUEUES, IFLA_TUN_NUM_DISABLED_QUEUES, __IFLA_TUN_MAX, }; #define IFLA_TUN_MAX (__IFLA_TUN_MAX - 1) /* rmnet section */ #define RMNET_FLAGS_INGRESS_DEAGGREGATION (1U << 0) #define RMNET_FLAGS_INGRESS_MAP_COMMANDS (1U << 1) #define RMNET_FLAGS_INGRESS_MAP_CKSUMV4 (1U << 2) #define RMNET_FLAGS_EGRESS_MAP_CKSUMV4 (1U << 3) enum { IFLA_RMNET_UNSPEC, IFLA_RMNET_MUX_ID, IFLA_RMNET_FLAGS, __IFLA_RMNET_MAX, }; #define IFLA_RMNET_MAX (__IFLA_RMNET_MAX - 1) struct ifla_rmnet_flags { __u32 flags; __u32 mask; }; #endif /* _LINUX_IF_LINK_H */ lldpd-1.0.18/include/.clang-format0000644000076400001440000000005414532716672016150 0ustar00bernatusers--- DisableFormat: true SortIncludes: false lldpd-1.0.18/include/osx/0000755000076400001440000000000014213115364014372 5ustar00bernatuserslldpd-1.0.18/include/osx/if_bond_var.h0000644000076400001440000000635014213115360017013 0ustar00bernatusers/* * Copyright (c) 2004 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _NET_IF_BOND_VAR_H_ #define _NET_IF_BOND_VAR_H_ #include #include #pragma pack(4) #define IF_BOND_OP_ADD_INTERFACE 1 #define IF_BOND_OP_REMOVE_INTERFACE 2 #define IF_BOND_OP_GET_STATUS 3 #define IF_BOND_OP_SET_VERBOSE 4 #define IF_BOND_OP_SET_MODE 5 #define IF_BOND_MODE_LACP 0 #define IF_BOND_MODE_STATIC 1 struct if_bond_partner_state { lacp_system ibps_system; lacp_system_priority ibps_system_priority; lacp_key ibps_key; lacp_port ibps_port; lacp_port_priority ibps_port_priority; lacp_actor_partner_state ibps_state; u_char ibps_reserved1; }; #define IF_BOND_STATUS_SELECTED_STATE_UNSELECTED 0 #define IF_BOND_STATUS_SELECTED_STATE_SELECTED 1 #define IF_BOND_STATUS_SELECTED_STATE_STANDBY 2 struct if_bond_status { char ibs_if_name[IFNAMSIZ]; /* interface name */ lacp_port_priority ibs_port_priority; lacp_actor_partner_state ibs_state; u_char ibs_selected_state; struct if_bond_partner_state ibs_partner_state; u_int32_t ibs_reserved[8]; }; #define IF_BOND_STATUS_REQ_VERSION 1 struct if_bond_status_req { int ibsr_version; /* version */ int ibsr_total; /* returned number of struct if_bond_status's */ int ibsr_count; /* number that will fit in ibsr_buffer */ union { /* buffer to hold if_bond_status's */ void * ibsru_buffer; u_int64_t ibsru_buffer64; } ibsr_ibsru; lacp_key ibsr_key; /* returned */ u_int8_t ibsr_mode; /* returned (IF_BOND_MODE_{LACP, STATIC}) */ u_int8_t ibsr_reserved0; /* for future use */ u_int32_t ibsr_reserved[3];/* for future use */ }; #define ibsr_buffer ibsr_ibsru.ibsru_buffer struct if_bond_req { u_int32_t ibr_op; /* operation */ union { char ibru_if_name[IFNAMSIZ]; /* interface name */ struct if_bond_status_req ibru_status; /* status information */ int ibru_int_val; } ibr_ibru; }; #pragma pack() #endif /* _NET_IF_BOND_VAR_H_ */ lldpd-1.0.18/include/osx/if_bridgevar.h0000644000076400001440000003735114213115361017174 0ustar00bernatusers/* $NetBSD: if_bridgevar.h,v 1.4 2003/07/08 07:13:50 itojun Exp $ */ /* * Copyright (c) 2004-2010 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright 2001 Wasabi Systems, Inc. * All rights reserved. * * Written by Jason R. Thorpe for Wasabi Systems, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Jason L. Wright * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * OpenBSD: if_bridge.h,v 1.14 2001/03/22 03:48:29 jason Exp * * $FreeBSD$ */ /* * Data structure and control definitions for bridge interfaces. */ #ifndef _NET_IF_BRIDGEVAR_H_ #define _NET_IF_BRIDGEVAR_H_ #include #include /* * Commands used in the SIOCSDRVSPEC ioctl. Note the lookup of the * bridge interface itself is keyed off the ifdrv structure. */ #define BRDGADD 0 /* add bridge member (ifbreq) */ #define BRDGDEL 1 /* delete bridge member (ifbreq) */ #define BRDGGIFFLGS 2 /* get member if flags (ifbreq) */ #define BRDGSIFFLGS 3 /* set member if flags (ifbreq) */ #define BRDGSCACHE 4 /* set cache size (ifbrparam) */ #define BRDGGCACHE 5 /* get cache size (ifbrparam) */ #define BRDGGIFS 6 /* get member list (ifbifconf) */ #define BRDGRTS 7 /* get address list (ifbaconf) */ #define BRDGSADDR 8 /* set static address (ifbareq) */ #define BRDGSTO 9 /* set cache timeout (ifbrparam) */ #define BRDGGTO 10 /* get cache timeout (ifbrparam) */ #define BRDGDADDR 11 /* delete address (ifbareq) */ #define BRDGFLUSH 12 /* flush address cache (ifbreq) */ #define BRDGGPRI 13 /* get priority (ifbrparam) */ #define BRDGSPRI 14 /* set priority (ifbrparam) */ #define BRDGGHT 15 /* get hello time (ifbrparam) */ #define BRDGSHT 16 /* set hello time (ifbrparam) */ #define BRDGGFD 17 /* get forward delay (ifbrparam) */ #define BRDGSFD 18 /* set forward delay (ifbrparam) */ #define BRDGGMA 19 /* get max age (ifbrparam) */ #define BRDGSMA 20 /* set max age (ifbrparam) */ #define BRDGSIFPRIO 21 /* set if priority (ifbreq) */ #define BRDGSIFCOST 22 /* set if path cost (ifbreq) */ #define BRDGGFILT 23 /* get filter flags (ifbrparam) */ #define BRDGSFILT 24 /* set filter flags (ifbrparam) */ #define BRDGPURGE 25 /* purge address cache for a particular interface (ifbreq) */ #define BRDGADDS 26 /* add bridge span member (ifbreq) */ #define BRDGDELS 27 /* delete bridge span member (ifbreq) */ #define BRDGPARAM 28 /* get bridge STP params (ifbropreq) */ #define BRDGGRTE 29 /* get cache drops (ifbrparam) */ #define BRDGGIFSSTP 30 /* get member STP params list (ifbpstpconf) */ #define BRDGSPROTO 31 /* set protocol (ifbrparam) */ #define BRDGSTXHC 32 /* set tx hold count (ifbrparam) */ #define BRDGSIFAMAX 33 /* set max interface addrs (ifbreq) */ /* * Generic bridge control request. */ #pragma pack(4) struct ifbreq { char ifbr_ifsname[IFNAMSIZ]; /* member if name */ uint32_t ifbr_ifsflags; /* member if flags */ uint32_t ifbr_stpflags; /* member if STP flags */ uint32_t ifbr_path_cost; /* member if STP cost */ uint8_t ifbr_portno; /* member if port number */ uint8_t ifbr_priority; /* member if STP priority */ uint8_t ifbr_proto; /* member if STP protocol */ uint8_t ifbr_role; /* member if STP role */ uint8_t ifbr_state; /* member if STP state */ uint32_t ifbr_addrcnt; /* member if addr number */ uint32_t ifbr_addrmax; /* member if addr max */ uint32_t ifbr_addrexceeded; /* member if addr violations */ uint8_t pad[32]; }; #pragma pack() /* BRDGGIFFLAGS, BRDGSIFFLAGS */ #define IFBIF_LEARNING 0x0001 /* if can learn */ #define IFBIF_DISCOVER 0x0002 /* if sends packets w/ unknown dest. */ #define IFBIF_STP 0x0004 /* if participates in spanning tree */ #define IFBIF_SPAN 0x0008 /* if is a span port */ #define IFBIF_STICKY 0x0010 /* if learned addresses stick */ #define IFBIF_BSTP_EDGE 0x0020 /* member stp edge port */ #define IFBIF_BSTP_AUTOEDGE 0x0040 /* member stp autoedge enabled */ #define IFBIF_BSTP_PTP 0x0080 /* member stp point to point */ #define IFBIF_BSTP_AUTOPTP 0x0100 /* member stp autoptp enabled */ #define IFBIF_BSTP_ADMEDGE 0x0200 /* member stp admin edge enabled */ #define IFBIF_BSTP_ADMCOST 0x0400 /* member stp admin path cost */ #define IFBIF_PRIVATE 0x0800 /* if is a private segment */ #define IFBIFBITS "\020\001LEARNING\002DISCOVER\003STP\004SPAN" \ "\005STICKY\014PRIVATE\006EDGE\007AUTOEDGE\010PTP" \ "\011AUTOPTP" #define IFBIFMASK ~(IFBIF_BSTP_EDGE|IFBIF_BSTP_AUTOEDGE|IFBIF_BSTP_PTP| \ IFBIF_BSTP_AUTOPTP|IFBIF_BSTP_ADMEDGE| \ IFBIF_BSTP_ADMCOST) /* not saved */ /* BRDGFLUSH */ #define IFBF_FLUSHDYN 0x00 /* flush learned addresses only */ #define IFBF_FLUSHALL 0x01 /* flush all addresses */ /* BRDGSFILT */ #define IFBF_FILT_USEIPF 0x00000001 /* run pfil hooks on the bridge interface */ #define IFBF_FILT_MEMBER 0x00000002 /* run pfil hooks on the member interfaces */ #define IFBF_FILT_ONLYIP 0x00000004 /* only pass IP[46] packets when pfil is enabled */ #define IFBF_FILT_MASK 0x00000007 /* mask of valid values */ /* APPLE MODIFICATION : Default is to pass non-IP packets. */ #define IFBF_FILT_DEFAULT ( IFBF_FILT_USEIPF | IFBF_FILT_MEMBER ) #if 0 #define IFBF_FILT_DEFAULT (IFBF_FILT_USEIPF | \ IFBF_FILT_MEMBER | \ IFBF_FILT_ONLYIP) #endif /* * Interface list structure. */ #pragma pack(4) #ifndef XNU_KERNEL_PRIVATE struct ifbifconf { uint32_t ifbic_len; /* buffer size */ union { caddr_t ifbicu_buf; struct ifbreq *ifbicu_req; #define ifbic_buf ifbic_ifbicu.ifbicu_buf #define ifbic_req ifbic_ifbicu.ifbicu_req } ifbic_ifbicu; }; #else /* XNU_KERNEL_PRIVATE */ struct ifbifconf32 { uint32_t ifbic_len; /* buffer size */ union { user32_addr_t ifbicu_buf; user32_addr_t ifbicu_req; #define ifbic_buf ifbic_ifbicu.ifbicu_buf #define ifbic_req ifbic_ifbicu.ifbicu_req } ifbic_ifbicu; }; struct ifbifconf64 { uint32_t ifbic_len; /* buffer size */ union { user64_addr_t ifbicu_buf; user64_addr_t ifbicu_req; } ifbic_ifbicu; }; #endif /* XNU_KERNEL_PRIVATE */ #pragma pack() /* * Bridge address request. */ #pragma pack(4) #ifndef XNU_KERNEL_PRIVATE struct ifbareq { char ifba_ifsname[IFNAMSIZ]; /* member if name */ unsigned long ifba_expire; /* address expire time */ uint8_t ifba_flags; /* address flags */ uint8_t ifba_dst[ETHER_ADDR_LEN];/* destination address */ uint16_t ifba_vlan; /* vlan id */ }; #else /* XNU_KERNEL_PRIVATE */ struct ifbareq32 { char ifba_ifsname[IFNAMSIZ]; /* member if name */ uint32_t ifba_expire; /* address expire time */ uint8_t ifba_flags; /* address flags */ uint8_t ifba_dst[ETHER_ADDR_LEN];/* destination address */ uint16_t ifba_vlan; /* vlan id */ }; struct ifbareq64 { char ifba_ifsname[IFNAMSIZ]; /* member if name */ uint64_t ifba_expire; /* address expire time */ uint8_t ifba_flags; /* address flags */ uint8_t ifba_dst[ETHER_ADDR_LEN];/* destination address */ uint16_t ifba_vlan; /* vlan id */ }; #endif /* XNU_KERNEL_PRIVATE */ #pragma pack() #define IFBAF_TYPEMASK 0x03 /* address type mask */ #define IFBAF_DYNAMIC 0x00 /* dynamically learned address */ #define IFBAF_STATIC 0x01 /* static address */ #define IFBAF_STICKY 0x02 /* sticky address */ #define IFBAFBITS "\020\1STATIC\2STICKY" /* * Address list structure. */ #pragma pack(4) #ifndef XNU_KERNEL_PRIVATE struct ifbaconf { uint32_t ifbac_len; /* buffer size */ union { caddr_t ifbacu_buf; struct ifbareq *ifbacu_req; #define ifbac_buf ifbac_ifbacu.ifbacu_buf #define ifbac_req ifbac_ifbacu.ifbacu_req } ifbac_ifbacu; }; #else /* XNU_KERNEL_PRIVATE */ struct ifbaconf32 { uint32_t ifbac_len; /* buffer size */ union { user32_addr_t ifbacu_buf; user32_addr_t ifbacu_req; #define ifbac_buf ifbac_ifbacu.ifbacu_buf #define ifbac_req ifbac_ifbacu.ifbacu_req } ifbac_ifbacu; }; struct ifbaconf64 { uint32_t ifbac_len; /* buffer size */ union { user64_addr_t ifbacu_buf; user64_addr_t ifbacu_req; } ifbac_ifbacu; }; #endif /* XNU_KERNEL_PRIVATE */ #pragma pack() /* * Bridge parameter structure. */ #pragma pack(4) struct ifbrparam { union { uint32_t ifbrpu_int32; uint16_t ifbrpu_int16; uint8_t ifbrpu_int8; } ifbrp_ifbrpu; }; #pragma pack() #define ifbrp_csize ifbrp_ifbrpu.ifbrpu_int32 /* cache size */ #define ifbrp_ctime ifbrp_ifbrpu.ifbrpu_int32 /* cache time (sec) */ #define ifbrp_prio ifbrp_ifbrpu.ifbrpu_int16 /* bridge priority */ #define ifbrp_proto ifbrp_ifbrpu.ifbrpu_int8 /* bridge protocol */ #define ifbrp_txhc ifbrp_ifbrpu.ifbrpu_int8 /* bpdu tx holdcount */ #define ifbrp_hellotime ifbrp_ifbrpu.ifbrpu_int8 /* hello time (sec) */ #define ifbrp_fwddelay ifbrp_ifbrpu.ifbrpu_int8 /* fwd time (sec) */ #define ifbrp_maxage ifbrp_ifbrpu.ifbrpu_int8 /* max age (sec) */ #define ifbrp_cexceeded ifbrp_ifbrpu.ifbrpu_int32 /* # of cache dropped * adresses */ #define ifbrp_filter ifbrp_ifbrpu.ifbrpu_int32 /* filtering flags */ /* * Bridge current operational parameters structure. */ #pragma pack(4) #ifndef XNU_KERNEL_PRIVATE struct ifbropreq { uint8_t ifbop_holdcount; uint8_t ifbop_maxage; uint8_t ifbop_hellotime; uint8_t ifbop_fwddelay; uint8_t ifbop_protocol; uint16_t ifbop_priority; uint16_t ifbop_root_port; uint32_t ifbop_root_path_cost; uint64_t ifbop_bridgeid; uint64_t ifbop_designated_root; uint64_t ifbop_designated_bridge; struct timeval ifbop_last_tc_time; }; #else /* XNU_KERNEL_PRIVATE */ struct ifbropreq32 { uint8_t ifbop_holdcount; uint8_t ifbop_maxage; uint8_t ifbop_hellotime; uint8_t ifbop_fwddelay; uint8_t ifbop_protocol; uint16_t ifbop_priority; uint16_t ifbop_root_port; uint32_t ifbop_root_path_cost; uint64_t ifbop_bridgeid; uint64_t ifbop_designated_root; uint64_t ifbop_designated_bridge; struct timeval ifbop_last_tc_time; }; struct ifbropreq64 { uint8_t ifbop_holdcount; uint8_t ifbop_maxage; uint8_t ifbop_hellotime; uint8_t ifbop_fwddelay; uint8_t ifbop_protocol; uint16_t ifbop_priority; uint16_t ifbop_root_port; uint32_t ifbop_root_path_cost; uint64_t ifbop_bridgeid; uint64_t ifbop_designated_root; uint64_t ifbop_designated_bridge; struct timeval ifbop_last_tc_time; }; #endif #pragma pack() /* * Bridge member operational STP params structure. */ #pragma pack(4) struct ifbpstpreq { uint8_t ifbp_portno; /* bp STP port number */ uint32_t ifbp_fwd_trans; /* bp STP fwd transitions */ uint32_t ifbp_design_cost; /* bp STP designated cost */ uint32_t ifbp_design_port; /* bp STP designated port */ uint64_t ifbp_design_bridge; /* bp STP designated bridge */ uint64_t ifbp_design_root; /* bp STP designated root */ }; #pragma pack() /* * Bridge STP ports list structure. */ #pragma pack(4) #ifndef XNU_KERNEL_PRIVATE struct ifbpstpconf { uint32_t ifbpstp_len; /* buffer size */ union { caddr_t ifbpstpu_buf; struct ifbpstpreq *ifbpstpu_req; } ifbpstp_ifbpstpu; #define ifbpstp_buf ifbpstp_ifbpstpu.ifbpstpu_buf #define ifbpstp_req ifbpstp_ifbpstpu.ifbpstpu_req }; #else /* XNU_KERNEL_PRIVATE */ struct ifbpstpconf32 { uint32_t ifbpstp_len; /* buffer size */ union { user32_addr_t ifbpstpu_buf; user32_addr_t ifbpstpu_req; #define ifbpstp_buf ifbpstp_ifbpstpu.ifbpstpu_buf #define ifbpstp_req ifbpstp_ifbpstpu.ifbpstpu_req } ifbpstp_ifbpstpu; }; struct ifbpstpconf64 { uint32_t ifbpstp_len; /* buffer size */ union { user64_addr_t ifbpstpu_buf; user64_addr_t ifbpstpu_req; } ifbpstp_ifbpstpu; }; #endif /* XNU_KERNEL_PRIVATE */ #pragma pack() #ifdef XNU_KERNEL_PRIVATE extern u_int8_t bstp_etheraddr[ETHER_ADDR_LEN]; int bridgeattach(int); #endif /* XNU_KERNEL_PRIVATE */ #endif /* !_NET_IF_BRIDGEVAR_H_ */ lldpd-1.0.18/include/osx/README.md0000644000076400001440000000046714213115356015661 0ustar00bernatusersThose include headers have been stolen from `xnu-2050.18.24.tar.gz` and slightly modified. They should be shipped with the OS or the development tools but they are not. They are from Mac OS X 10.8.2 but should work with previous versions just fine. http://www.opensource.apple.com/source/xnu/xnu-2050.18.24/ lldpd-1.0.18/include/osx/if_vlan_var.h0000644000076400001440000000725014213115363017034 0ustar00bernatusers/* * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright 1998 Massachusetts Institute of Technology * * Permission to use, copy, modify, and distribute this software and * its documentation for any purpose and without fee is hereby * granted, provided that both the above copyright notice and this * permission notice appear in all copies, that both the above * copyright notice and this permission notice appear in all * supporting documentation, and that the name of M.I.T. not be used * in advertising or publicity pertaining to distribution of the * software without specific, written prior permission. M.I.T. makes * no representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied * warranty. * * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: src/sys/net/if_vlan_var.h,v 1.16 2003/07/08 21:54:20 wpaul Exp $ */ #ifndef _NET_IF_VLAN_VAR_H_ #define _NET_IF_VLAN_VAR_H_ 1 #define ETHER_VLAN_ENCAP_LEN 4 /* len of 802.1Q VLAN encapsulation */ struct ether_vlan_header { u_char evl_dhost[ETHER_ADDR_LEN]; u_char evl_shost[ETHER_ADDR_LEN]; u_int16_t evl_encap_proto; u_int16_t evl_tag; u_int16_t evl_proto; }; #define EVL_VLID_MASK 0x0FFF #define EVL_VLANOFTAG(tag) ((tag) & EVL_VLID_MASK) #define EVL_PRIOFTAG(tag) (((tag) >> 13) & 7) #if 0 /* sysctl(3) tags, for compatibility purposes */ #define VLANCTL_PROTO 1 #define VLANCTL_MAX 2 #endif /* * Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls. */ struct vlanreq { char vlr_parent[IFNAMSIZ]; u_short vlr_tag; }; #ifdef KERNEL_PRIVATE int vlan_family_init(void) __attribute__((section("__TEXT, initcode"))); #endif /* KERNEL_PRIVATE */ #endif /* _NET_IF_VLAN_VAR_H_ */ lldpd-1.0.18/include/osx/lacp.h0000644000076400001440000003247614213115364015476 0ustar00bernatusers/* * Copyright (c) 2004 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * lacp.h * - definitions for the Link Aggregation Control Protocol (LACP) and * the Link Aggregation Marker Protocol */ /* * Modification History * * May 14, 2004 Dieter Siegmund (dieter@apple.com) * - created */ #ifndef _NET_LACP_H_ #define _NET_LACP_H_ #include #include /** ** Link Aggregation Control Protocol (LACP) definitions **/ #define LACPDU_VERSION_1 1 #define LACPDU_TLV_TYPE_TERMINATOR 0x00 #define LACPDU_TLV_TYPE_ACTOR 0x01 #define LACPDU_TLV_TYPE_PARTNER 0x02 #define LACPDU_TLV_TYPE_COLLECTOR 0x03 #define LACPDU_ACTOR_TLV_LENGTH 20 #define LACPDU_PARTNER_TLV_LENGTH 20 #define LACPDU_COLLECTOR_TLV_LENGTH 16 typedef u_char lacp_actor_partner_state; typedef u_int16_t lacp_key; typedef u_int16_t lacp_system_priority, lacp_port_priority, lacp_port; typedef u_int16_t lacp_collector_max_delay; typedef struct { u_char system_id[6]; } lacp_system, *lacp_system_ref; /* * LACP Actor/Partner TLV */ typedef struct lacp_actor_partner_tlv_s { u_char lap_tlv_type; /* 0x01 or 0x02 */ u_char lap_length; /* 20 */ u_char lap_system_priority[2]; u_char lap_system[6]; u_char lap_key[2]; u_char lap_port_priority[2]; u_char lap_port[2]; u_char lap_state; u_char lap_reserved[3]; } lacp_actor_partner_tlv, *lacp_actor_partner_tlv_ref; /* * LACP Collector TLV */ typedef struct lacp_collector_tlv_s { u_char lac_tlv_type; /* 0x03 */ u_char lac_length; /* 16 */ u_char lac_max_delay[2]; u_char lac_reserved[12]; } lacp_collector_tlv, *lacp_collector_tlv_ref; /* * LACP Actor/Partner State bits */ #define LACP_ACTOR_PARTNER_STATE_LACP_ACTIVITY 0x01 #define LACP_ACTOR_PARTNER_STATE_LACP_TIMEOUT 0x02 #define LACP_ACTOR_PARTNER_STATE_AGGREGATION 0x04 #define LACP_ACTOR_PARTNER_STATE_SYNCHRONIZATION 0x08 #define LACP_ACTOR_PARTNER_STATE_COLLECTING 0x10 #define LACP_ACTOR_PARTNER_STATE_DISTRIBUTING 0x20 #define LACP_ACTOR_PARTNER_STATE_DEFAULTED 0x40 #define LACP_ACTOR_PARTNER_STATE_EXPIRED 0x80 static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_active_lacp(lacp_actor_partner_state state) { return (state | LACP_ACTOR_PARTNER_STATE_LACP_ACTIVITY); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_passive_lacp(lacp_actor_partner_state state) { return (state &= ~LACP_ACTOR_PARTNER_STATE_LACP_ACTIVITY); } static __inline__ int lacp_actor_partner_state_active_lacp(lacp_actor_partner_state state) { return ((state & LACP_ACTOR_PARTNER_STATE_LACP_ACTIVITY) != 0); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_short_timeout(lacp_actor_partner_state state) { return (state | LACP_ACTOR_PARTNER_STATE_LACP_TIMEOUT); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_long_timeout(lacp_actor_partner_state state) { return (state &= ~LACP_ACTOR_PARTNER_STATE_LACP_TIMEOUT); } static __inline__ int lacp_actor_partner_state_short_timeout(lacp_actor_partner_state state) { return ((state & LACP_ACTOR_PARTNER_STATE_LACP_TIMEOUT) != 0); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_aggregatable(lacp_actor_partner_state state) { return (state | LACP_ACTOR_PARTNER_STATE_AGGREGATION); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_individual(lacp_actor_partner_state state) { return (state &= ~LACP_ACTOR_PARTNER_STATE_AGGREGATION); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_aggregatable(lacp_actor_partner_state state) { return ((state & LACP_ACTOR_PARTNER_STATE_AGGREGATION) != 0); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_in_sync(lacp_actor_partner_state state) { return (state | LACP_ACTOR_PARTNER_STATE_SYNCHRONIZATION); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_out_of_sync(lacp_actor_partner_state state) { return (state &= ~LACP_ACTOR_PARTNER_STATE_SYNCHRONIZATION); } static __inline__ int lacp_actor_partner_state_in_sync(lacp_actor_partner_state state) { return ((state & LACP_ACTOR_PARTNER_STATE_SYNCHRONIZATION) != 0); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_collecting(lacp_actor_partner_state state) { return (state | LACP_ACTOR_PARTNER_STATE_COLLECTING); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_not_collecting(lacp_actor_partner_state state) { return (state &= ~LACP_ACTOR_PARTNER_STATE_COLLECTING); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_collecting(lacp_actor_partner_state state) { return ((state & LACP_ACTOR_PARTNER_STATE_COLLECTING) != 0); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_distributing(lacp_actor_partner_state state) { return (state | LACP_ACTOR_PARTNER_STATE_DISTRIBUTING); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_not_distributing(lacp_actor_partner_state state) { return (state &= ~LACP_ACTOR_PARTNER_STATE_DISTRIBUTING); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_distributing(lacp_actor_partner_state state) { return ((state & LACP_ACTOR_PARTNER_STATE_DISTRIBUTING) != 0); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_defaulted(lacp_actor_partner_state state) { return (state | LACP_ACTOR_PARTNER_STATE_DEFAULTED); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_not_defaulted(lacp_actor_partner_state state) { return (state &= ~LACP_ACTOR_PARTNER_STATE_DEFAULTED); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_defaulted(lacp_actor_partner_state state) { return ((state & LACP_ACTOR_PARTNER_STATE_DEFAULTED) != 0); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_expired(lacp_actor_partner_state state) { return (state | LACP_ACTOR_PARTNER_STATE_EXPIRED); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_set_not_expired(lacp_actor_partner_state state) { return (state &= ~LACP_ACTOR_PARTNER_STATE_EXPIRED); } static __inline__ lacp_actor_partner_state lacp_actor_partner_state_expired(lacp_actor_partner_state state) { return ((state & LACP_ACTOR_PARTNER_STATE_EXPIRED) != 0); } /* * Function: lacp_uint16_set * Purpose: * Set a field in a structure that's at least 16 bits to the given * value, putting it into network byte order */ static __inline__ void lacp_uint16_set(uint8_t * field, uint16_t value) { uint16_t tmp_value = htons(value); memcpy((void *)field, (void *)&tmp_value, sizeof(uint16_t)); return; } /* * Function: lacp_uint16_get * Purpose: * Get a field in a structure that's at least 16 bits, converting * to host byte order. */ static __inline__ uint16_t lacp_uint16_get(const uint8_t * field) { uint16_t tmp_field; memcpy((void *)&tmp_field, (void *)field, sizeof(uint16_t)); return (ntohs(tmp_field)); } /* * Function: lacp_uint32_set * Purpose: * Set a field in a structure that's at least 32 bits to the given * value, putting it into network byte order */ static __inline__ void lacp_uint32_set(uint8_t * field, uint32_t value) { uint32_t tmp_value = htonl(value); memcpy((void *)field, (void *)&tmp_value, sizeof(uint32_t)); return; } /* * Function: lacp_uint32_get * Purpose: * Get a field in a structure that's at least 32 bits, converting * to host byte order. */ static __inline__ uint32_t lacp_uint32_get(const uint8_t * field) { uint32_t tmp_field; memcpy((void *)&tmp_field, (void *)field, sizeof(uint32_t)); return (ntohl(tmp_field)); } /* * LACP Actor/Partner TLV access functions */ static __inline__ void lacp_actor_partner_tlv_set_system_priority(lacp_actor_partner_tlv_ref tlv, lacp_system_priority system_priority) { lacp_uint16_set(tlv->lap_system_priority, system_priority); return; } static __inline__ lacp_system_priority lacp_actor_partner_tlv_get_system_priority(const lacp_actor_partner_tlv_ref tlv) { return (lacp_system_priority)lacp_uint16_get(tlv->lap_system_priority); } static __inline__ void lacp_actor_partner_tlv_set_key(lacp_actor_partner_tlv_ref tlv, lacp_key key) { lacp_uint16_set(tlv->lap_key, key); return; } static __inline__ lacp_key lacp_actor_partner_tlv_get_key(const lacp_actor_partner_tlv_ref tlv) { return (lacp_key)lacp_uint16_get(tlv->lap_key); } static __inline__ void lacp_actor_partner_tlv_set_port_priority(lacp_actor_partner_tlv_ref tlv, lacp_port_priority port_priority) { lacp_uint16_set(tlv->lap_port_priority, port_priority); return; } static __inline__ lacp_port_priority lacp_actor_partner_tlv_get_port_priority(const lacp_actor_partner_tlv_ref tlv) { return (lacp_port_priority)lacp_uint16_get(tlv->lap_port_priority); } static __inline__ void lacp_actor_partner_tlv_set_port(lacp_actor_partner_tlv_ref tlv, lacp_port port) { lacp_uint16_set(tlv->lap_port, port); return; } static __inline__ lacp_port lacp_actor_partner_tlv_get_port(const lacp_actor_partner_tlv_ref tlv) { return (lacp_port)lacp_uint16_get(tlv->lap_port); } /* * LACP Collector TLV access functions */ static __inline__ void lacp_collector_tlv_set_max_delay(lacp_collector_tlv_ref tlv, lacp_collector_max_delay delay) { lacp_uint16_set(tlv->lac_max_delay, delay); return; } static __inline__ lacp_collector_max_delay lacp_collector_tlv_get_max_delay(const lacp_collector_tlv_ref tlv) { return (lacp_collector_max_delay)lacp_uint16_get(tlv->lac_max_delay); } typedef struct lacpdu_s { u_char la_subtype; u_char la_version; u_char la_actor_tlv[LACPDU_ACTOR_TLV_LENGTH]; u_char la_partner_tlv[LACPDU_PARTNER_TLV_LENGTH]; u_char la_collector_tlv[LACPDU_COLLECTOR_TLV_LENGTH]; u_char la_terminator_type; u_char la_terminator_length; u_char la_reserved[50]; } lacpdu, *lacpdu_ref; /* timer values in seconds */ #define LACP_FAST_PERIODIC_TIME 1 #define LACP_SLOW_PERIODIC_TIME 30 #define LACP_SHORT_TIMEOUT_TIME 3 #define LACP_LONG_TIMEOUT_TIME 90 #define LACP_CHURN_DETECTION_TIME 60 #define LACP_AGGREGATE_WAIT_TIME 2 /* packet rate per second */ #define LACP_PACKET_RATE 3 /** ** Link Aggregation Marker Protocol definitions **/ #define LA_MARKER_PDU_VERSION_1 1 #define LA_MARKER_TLV_TYPE_TERMINATOR 0x00 #define LA_MARKER_TLV_TYPE_MARKER 0x01 #define LA_MARKER_TLV_TYPE_MARKER_RESPONSE 0x02 #define LA_MARKER_TLV_LENGTH 16 #define LA_MARKER_RESPONSE_TLV_LENGTH 16 typedef u_int32_t la_marker_transaction_id; typedef struct la_marker_pdu_s { u_char lm_subtype; /* 0x02 */ u_char lm_version; /* 0x01 */ u_char lm_marker_tlv_type; /* 0x01 or 0x02 */ u_char lm_marker_tlv_length; /* 16 */ u_char lm_requestor_port[2]; u_char lm_requestor_system[6]; u_char lm_requestor_transaction_id[4]; u_char lm_pad[2]; u_char lm_terminator_type; /* 0x00 */ u_char lm_terminator_length; /* 0 */ u_char lm_reserved[90]; } la_marker_pdu, *la_marker_pdu_ref, la_marker_response_pdu, * la_marker_response_pdu_ref; static __inline__ void la_marker_pdu_set_requestor_port(la_marker_pdu_ref lmpdu, lacp_port port) { lacp_uint16_set(lmpdu->lm_requestor_port, port); return; } static __inline__ lacp_port la_marker_pdu_get_requestor_port(la_marker_pdu_ref lmpdu) { return (lacp_port)lacp_uint16_get(lmpdu->lm_requestor_port); } static __inline__ void la_marker_pdu_set_requestor_transaction_id(la_marker_pdu_ref lmpdu, la_marker_transaction_id xid) { lacp_uint32_set(lmpdu->lm_requestor_transaction_id, xid); return; } static __inline__ la_marker_transaction_id la_marker_pdu_get_requestor_transaction_id(la_marker_pdu_ref lmpdu) { return (la_marker_transaction_id)lacp_uint32_get(lmpdu->lm_requestor_transaction_id); } static __inline__ void la_marker_pdu_set_requestor_system(la_marker_pdu_ref lmpdu, lacp_system sys) { *((lacp_system_ref)lmpdu->lm_requestor_system) = sys; return; } static __inline__ lacp_system la_marker_pdu_get_requestor_system(la_marker_pdu_ref lmpdu) { return (*(lacp_system_ref)(lmpdu->lm_requestor_system)); } #endif /* _NET_LACP_H_ */ lldpd-1.0.18/depcomp0000755000076400001440000005602014550773312013525 0ustar00bernatusers#! /bin/sh # depcomp - compile a program generating dependencies as side-effects scriptversion=2018-03-07.03; # UTC # Copyright (C) 1999-2021 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by 'PROGRAMS ARGS'. object Object file output by 'PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputting dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac # Get the directory component of the given path, and save it in the # global variables '$dir'. Note that this directory component will # be either empty or ending with a '/' character. This is deliberate. set_dir_from () { case $1 in */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; *) dir=;; esac } # Get the suffix-stripped basename of the given path, and save it the # global variable '$base'. set_base_from () { base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` } # If no dependency file was actually created by the compiler invocation, # we still have to create a dummy depfile, to avoid errors with the # Makefile "include basename.Plo" scheme. make_dummy_depfile () { echo "#dummy" > "$depfile" } # Factor out some common post-processing of the generated depfile. # Requires the auxiliary global variable '$tmpdepfile' to be set. aix_post_process_depfile () { # If the compiler actually managed to produce a dependency file, # post-process it. if test -f "$tmpdepfile"; then # Each line is of the form 'foo.o: dependency.h'. # Do two passes, one to just change these to # $object: dependency.h # and one to simply output # dependency.h: # which is needed to avoid the deleted-header problem. { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" } > "$depfile" rm -f "$tmpdepfile" else make_dummy_depfile fi } # A tabulation character. tab=' ' # A newline character. nl=' ' # Character ranges might be problematic outside the C locale. # These definitions help. upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ lower=abcdefghijklmnopqrstuvwxyz digits=0123456789 alpha=${upper}${lower} if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. depfile=${depfile-`echo "$object" | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Avoid interferences from the environment. gccflag= dashmflag= # Some modes work just like other modes, but use different flags. We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvisualcpp fi if test "$depmode" = msvc7msys; then # This is just like msvc7 but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvc7 fi if test "$depmode" = xlc; then # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. gccflag=-qmakedep=gcc,-MF depmode=gcc fi case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. ## Unfortunately, FreeBSD c89 acceptance of flags depends upon ## the command line argument order; so add the flags where they ## appear in depend2.am. Note that the slowdown incurred here ## affects only configure: in makefiles, %FASTDEP% shortcuts this. for arg do case $arg in -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; *) set fnord "$@" "$arg" ;; esac shift # fnord shift # $arg done "$@" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. ## (see the conditional assignment to $gccflag above). ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). Also, it might not be ## supported by the other compilers which use the 'gcc' depmode. ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The second -e expression handles DOS-style file names with drive # letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the "deleted header file" problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. ## Some versions of gcc put a space before the ':'. On the theory ## that the space means something, we add a space to the output as ## well. hp depmode also adds that space, but also prefixes the VPATH ## to the object. Take care to not repeat it in the output. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; sgi) if test "$libtool" = yes; then "$@" "-Wp,-MDupdate,$tmpdepfile" else "$@" -MDupdate "$tmpdepfile" fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files echo "$object : \\" > "$depfile" # Clip off the initial element (the dependent). Don't try to be # clever and replace this with sed code, as IRIX sed won't handle # lines with more than a fixed number of characters (4096 in # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; # the IRIX cc adds comments like '#:fec' to the end of the # dependency line. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ | tr "$nl" ' ' >> "$depfile" echo >> "$depfile" # The second pass generates a dummy entry for each header file. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" ;; xlc) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; aix) # The C for AIX Compiler uses -M and outputs the dependencies # in a .u file. In older versions, this file always lives in the # current directory. Also, the AIX compiler puts '$object:' at the # start of each line; $object doesn't have directory information. # Version 6 uses the directory in both cases. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.u tmpdepfile2=$base.u tmpdepfile3=$dir.libs/$base.u "$@" -Wc,-M else tmpdepfile1=$dir$base.u tmpdepfile2=$dir$base.u tmpdepfile3=$dir$base.u "$@" -M fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done aix_post_process_depfile ;; tcc) # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 # FIXME: That version still under development at the moment of writing. # Make that this statement remains true also for stable, released # versions. # It will wrap lines (doesn't matter whether long or short) with a # trailing '\', as in: # # foo.o : \ # foo.c \ # foo.h \ # # It will put a trailing '\' even on the last line, and will use leading # spaces rather than leading tabs (at least since its commit 0394caf7 # "Emit spaces for -MD"). "$@" -MD -MF "$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. # We have to change lines of the first kind to '$object: \'. sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" # And for each line of the second kind, we have to emit a 'dep.h:' # dummy dependency, to avoid the deleted-header problem. sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" rm -f "$tmpdepfile" ;; ## The order of this option in the case statement is important, since the ## shell code in configure will try each of these formats in the order ## listed in this file. A plain '-MD' option would be understood by many ## compilers, so we must ensure this comes after the gcc and icc options. pgcc) # Portland's C compiler understands '-MD'. # Will always output deps to 'file.d' where file is the root name of the # source file under compilation, even if file resides in a subdirectory. # The object file name does not affect the name of the '.d' file. # pgcc 10.2 will output # foo.o: sub/foo.c sub/foo.h # and will wrap long lines using '\' : # foo.o: sub/foo.c ... \ # sub/foo.h ... \ # ... set_dir_from "$object" # Use the source, not the object, to determine the base name, since # that's sadly what pgcc will do too. set_base_from "$source" tmpdepfile=$base.d # For projects that build the same source file twice into different object # files, the pgcc approach of using the *source* file root name can cause # problems in parallel builds. Use a locking strategy to avoid stomping on # the same $tmpdepfile. lockdir=$base.d-lock trap " echo '$0: caught signal, cleaning up...' >&2 rmdir '$lockdir' exit 1 " 1 2 13 15 numtries=100 i=$numtries while test $i -gt 0; do # mkdir is a portable test-and-set. if mkdir "$lockdir" 2>/dev/null; then # This process acquired the lock. "$@" -MD stat=$? # Release the lock. rmdir "$lockdir" break else # If the lock is being held by a different process, wait # until the winning process is done or we timeout. while test -d "$lockdir" && test $i -gt 0; do sleep 1 i=`expr $i - 1` done fi i=`expr $i - 1` done trap - 1 2 13 15 if test $i -le 0; then echo "$0: failed to acquire lock after $numtries attempts" >&2 echo "$0: check lockdir '$lockdir'" >&2 exit 1 fi if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each line is of the form `foo.o: dependent.h', # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. # Do two passes, one to just change these to # `$object: dependent.h' and one to simply `dependent.h:'. sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" # Some versions of the HPUX 10.20 sed can't process this invocation # correctly. Breaking it into two sed invocations is a workaround. sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp2) # The "hp" stanza above does not work with aCC (C++) and HP's ia64 # compilers, which have integrated preprocessors. The correct option # to use with these is +Maked; it writes dependencies to a file named # 'foo.d', which lands next to the object file, wherever that # happens to be. # Much of this is similar to the tru64 case; see comments there. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.d tmpdepfile2=$dir.libs/$base.d "$@" -Wc,+Maked else tmpdepfile1=$dir$base.d tmpdepfile2=$dir$base.d "$@" +Maked fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" do test -f "$tmpdepfile" && break done if test -f "$tmpdepfile"; then sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" # Add 'dependent.h:' lines. sed -ne '2,${ s/^ *// s/ \\*$// s/$/:/ p }' "$tmpdepfile" >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" "$tmpdepfile2" ;; tru64) # The Tru64 compiler uses -MD to generate dependencies as a side # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put # dependencies in 'foo.d' instead, so we check for that too. # Subdirectories are respected. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then # Libtool generates 2 separate objects for the 2 libraries. These # two compilations output dependencies in $dir.libs/$base.o.d and # in $dir$base.o.d. We have to check for both files, because # one of the two compilations can be disabled. We should prefer # $dir$base.o.d over $dir.libs/$base.o.d because the latter is # automatically cleaned when .libs/ is deleted, while ignoring # the former would cause a distcleancheck panic. tmpdepfile1=$dir$base.o.d # libtool 1.5 tmpdepfile2=$dir.libs/$base.o.d # Likewise. tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 "$@" -Wc,-MD else tmpdepfile1=$dir$base.d tmpdepfile2=$dir$base.d tmpdepfile3=$dir$base.d "$@" -MD fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done # Same post-processing that is required for AIX mode. aix_post_process_depfile ;; msvc7) if test "$libtool" = yes; then showIncludes=-Wc,-showIncludes else showIncludes=-showIncludes fi "$@" $showIncludes > "$tmpdepfile" stat=$? grep -v '^Note: including file: ' "$tmpdepfile" if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The first sed program below extracts the file names and escapes # backslashes for cygpath. 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then \ prev=$$(git describe --tags --always --match '[0-9]*' 2> /dev/null) ; \ for tag in $$(git tag | $(EGREP) '^[0-9]+(\.[0-9]+){1,}$$' | sort -t. -k 1,1nr -k 2,2nr -k 3,3nr); do \ if [ x"$$prev" = x ]; then prev=$$tag ; fi ; \ if [ x"$$prev" = x"$$tag" ]; then continue; fi ; \ echo "$$prev [$$(git log --no-merges $$prev -1 --pretty=format:'%ai')]:" ; \ echo "" ; \ git log --pretty=' - [%h] %s (%an)' $$tag..$$prev ; \ echo "" ; \ prev=$$tag ; \ done > $@ ; \ else \ touch $@ ; \ fi dist-hook: echo $(VERSION) > $(distdir)/.dist-version # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: lldpd-1.0.18/ChangeLog0000644000076400001440000056637014550773325013744 0ustar00bernatusers1.0.18 [2024-01-14 15:36:05 +0100]: - [ffa58471b03b] redhat: suppress extra .la file we don't want to install (Vincent Bernat) - [622da7033ce9] redhat: fix date in changelog (Vincent Bernat) - [91728d2ea479] release: 1.0.18 (Vincent Bernat) - [e048229d91b1] build: bump actions/download-artifact from 3 to 4 (dependabot[bot]) - [79c42d4a1bb7] build: bump actions/upload-artifact from 3 to 4 (dependabot[bot]) - [35eeac6738f5] build: bump cross-platform-actions/action from 0.21.1 to 0.22.0 (dependabot[bot]) - [1434de0cbdbe] daemon/netlink: fix documentation string (Vincent Bernat) - [88fe3fa1dff2] daemon/netlink: use a different socket for changes and queries (Vincent Bernat) - [f2d5c6fe8c15] compat: add compat.h header to get forward declarations (Vincent Bernat) - [80d51905e9fa] daemon/priv: no need to define IFALIASZ (Vincent Bernat) - [aa6e92977681] daemon/lldpd: do not set interface description continuously (Vincent Bernat) - [18dc7145d497] build: update automake for OpenBSD (Vincent Bernat) - [0fa2c9ac1567] build: update BSD versions, add NetBSD (Vincent Bernat) - [727fd19fe6cb] build: keep using xhyve for OpenBSD (Vincent Bernat) - [5b7704f34d4b] build: use QEMU for testing FreeBSD/OpenBSD (Vincent Bernat) - [cf0e944b8bd4] build: bump cachix/install-nix-action from 23 to 24 (dependabot[bot]) - [f540397c7198] build: improve const correctness and prototype declarations (Georg Sauthoff) - [247fb1a989fd] build: ensure we use -Werror on Linux builds (Vincent Bernat) - [43a885b2ffc4] client: fix style (Vincent Bernat) - [b8955080cb5f] client: translate dot into the short hostname (Georg Sauthoff) - [17fc7418302e] build: remove coverity (Vincent Bernat) - [3071b40a4720] daemon/lldpd: fix capitalization in help output (Vincent Bernat) - [8317658710e9] daemon/lldp: fix warning message about out of order TLVs (Vincent Bernat) - [fa7c0784b287] build: bump docker/login-action from 2 to 3 (dependabot[bot]) - [a59512cbc599] build: bump docker/metadata-action from 4 to 5 (dependabot[bot]) - [040c65bc3c13] build: bump cross-platform-actions/action from 0.19.0 to 0.21.0 (dependabot[bot]) - [12f5d39b3a1a] lib/lldpctl: fix style (Vincent Bernat) - [551717c697fb] daemon/lldp: restore read support for 802.3BT (Vincent Bernat) - [24b30d0e6b03] build: update nixpkgs (Vincent Bernat) - [3d18520ece5d] tests/integration: also remove 802.3bt test (Vincent Bernat) - [52dd0b674f69] lib: bump API/ABI (Vincent Bernat) - [f01183f986bd] daemon/lldp: remove support for 802.3bt (Vincent Bernat) - [4e750474a776] daemon/protocols: fix some 802.3bt stuff (Vincent Bernat) - [b6541a9a34f7] lldpcli: fix capitalization (Vincent Bernat) - [2bd5f47bd952] client/conf-power: Add support for 803.2bt parameters. (Andreas Hofmann) - [adb13d9884e8] build: fix alignment in configure.ac (Vincent Bernat) - [75c23e7f94c3] build: bump docker/setup-buildx-action from 2 to 3 (#608) (dependabot[bot]) - [192caf1e9389] build: bump docker/setup-qemu-action from 2 to 3 (dependabot[bot]) - [a4aaa0ed6b94] build: bump cachix/install-nix-action from 22 to 23 (#607) (dependabot[bot]) - [edcf7bdf205d] build: bump docker/build-push-action from 4 to 5 (#609) (dependabot[bot]) - [e8e5d15e078f] build: bump actions/checkout from 3 to 4 (dependabot[bot]) - [145d654803ff] [oss-fuzz] Issue 62435 (Arjun Singh) - [83f0eddcfb7f] [bug] fix 5193822305648640 and 4673544697806848 (Arjun Singh) - [5cf30bef31fc] build: bump cross-platform-actions/action from 0.17.0 to 0.19.0 (dependabot[bot]) - [c6eebc068679] build: bump cross-platform-actions/action from 0.15.0 to 0.17.0 (#595) (dependabot[bot]) - [66f1aa557ab8] build: try another way to workaround problem with brew (Vincent Bernat) - [379d263a6ed9] build: try to fix CI on MacOS (Vincent Bernat) - [995bf51f14cd] github: add GitHub sponsorship (Vincent Bernat) - [a8b9fe7f4e8e] build: bump actions/upload-artifact from 1 to 3 (dependabot[bot]) - [ef9f8ba066d1] build: bump cachix/install-nix-action from 21 to 22 (dependabot[bot]) - [25438d235eea] build: bump cross-platform-actions/action from 0.14.0 to 0.15.0 (dependabot[bot]) - [f1dde8dacb59] client: do not expose update command when unprivileged (Vincent Bernat) - [5461e01e5280] build: rename fuzzing workflow (Vincent Bernat) - [ada8f97fd92e] build: bump cross-platform-actions/action from 0.13.0 to 0.14.0 (dependabot[bot]) - [0c501f80d2ad] build: bump cachix/install-nix-action from 20 to 21 (dependabot[bot]) - [9e945ced455d] build: reformat action for fuzzing (Vincent Bernat) - [93a40b3515c9] [Fuzzing] oss-fuzz cifuzz (#587) (Arjun) - [dc13f3e6328f] docs: add a NEWS entry about memory leak (Vincent Bernat) - [73061a21afc4] daemon: do not start if fuzzing build mode is enabled (Vincent Bernat) - [b09e15796796] Merge pull request #584 from 0x34d/fuzzing (Vincent Bernat) - [261f3af454d1] [Fuzzing] updates for oss-fuzz Ideal integration (Arjun Singh) - [d339ab60ef2a] osx: update homebrew recipe (Vincent Bernat) - [fb3d709547b2] osx: don't use plist_options (Vincent Bernat) - [26952a2259c8] redhat: do not ship .la file in -devel package (Vincent Bernat) 1.0.17 [2023-05-18 16:11:45 +0200]: - [bf5457bd9792] release: 1.0.17 (Vincent Bernat) - [a190084ebddc] build: bump cross-platform-actions/action from 0.10.0 to 0.13.0 (dependabot[bot]) - [14ce09980a71] client: don't output empty lines on configure commands (Vincent Bernat) - [74d4d69177b8] lib: remove unreachable code (Vincent Bernat) - [a9aeabdf879c] daemon: fix read overflow when parsing CDP addresses (Vincent Bernat) - [e1af9ac6424f] build: bump cachix/install-nix-action from 18 to 20 (dependabot[bot]) - [f493b636b255] interfaces: fix use of isdigit() (Vincent Bernat) - [5c452f3c8ba9] build: bump cross-platform-actions/action from 0.7.0 to 0.10.0 (dependabot[bot]) - [77a85a64033f] build: bump docker/build-push-action from 3 to 4 (dependabot[bot]) - [1ca42cabdb5b] build: don't run clang build with SNMP support (Vincent Bernat) - [02f38b92e8fb] build: bump cross-platform-actions/action from 0.6.2 to 0.7.0 (#566) (dependabot[bot]) - [d0eca34a8a5c] build: fix lldpcli build (Vincent Bernat) - [0fa28337f74d] build: better integration of fuzz-decode in build process (Vincent Bernat) - [215d04200b58] interfaces: properly initialize ethtool structure (Vincent Bernat) - [0221be2f09c9] build: make all char unsigned (Vincent Bernat) - [379b8ab111c7] tests: mark "too_many_vlans" test as unreliable (Vincent Bernat) - [01aee0f3601c] m4/progname.m4: Include for printf in lldp_CHECK___PROGNAME (Florian Weimer) - [257cff48233c] tests: give more time to lldpd when handling many VLANs (Vincent Bernat) - [16a1a7e64118] tests: use prefixlen instead of mask with pyroute2 (Vincent Bernat) - [73987a1563e5] tests: upgrade pytest and others to more recent versions (Vincent Bernat) - [93e336d36b83] tests: fix warnings about format string (Vincent Bernat) - [e78af8114be2] build: switch back to apheleia (Vincent Bernat) - [395caf6f6c96] Merge pull request #563 from lldpd/dependabot/github_actions/actions/cache-3 (dependabot[bot]) - [b9e00dda0518] build: bump actions/cache from 2 to 3 (dependabot[bot]) - [0dc7a4a96a39] src/client: add two missing commands to manual page (Vincent Bernat) - [27b380b455b3] build: update two additional docker actions (Vincent Bernat) - [b373cd6130cb] build: fix release script to work with OOT build dir (Vincent Bernat) - [62364b80bd8e] osx: update Homebrew recipe (Vincent Bernat) - [87467d2dcb4a] build: bump docker/build-push-action from 2 to 3 (dependabot[bot]) - [7deb2013e3eb] build: bump docker/login-action from 1 to 2 (dependabot[bot]) - [5bed67d2a880] build: bump docker/metadata-action from 3 to 4 (dependabot[bot]) - [91c4a7335855] build: bump cachix/install-nix-action from 17 to 18 (dependabot[bot]) - [fcc87c7787a4] build: bump actions/download-artifact from 2 to 3 (dependabot[bot]) - [0c29b7cb9dad] build: add dependabot (Vincent Bernat) - [fd117da16af6] build: update some actions to remove warnings (Vincent Bernat) - [566917f5003b] build: update set-output method for GitHub action (Vincent Bernat) 1.0.16 [2022-11-11 14:25:30 +0100]: - [7a595f1adfa4] release: 1.0.16 (Vincent Bernat) - [255b138ef8af] build: add .git-blame-ignore-revs file (Vincent Bernat) - [8b5496481a18] build: reformat code (Vincent Bernat) - [3ad6dfbbbe66] ci: enforce a format style with clang-format and black (Vincent Bernat) - [39c33072a89c] ci: add an Emacs script to format C files (Vincent Bernat) - [fa2ab06c3059] build: move again stuff using libfuzzer (Vincent Bernat) - [9797bd780505] build: fix fuzz-decode automake (Vincent Bernat) - [14d35a085405] oss-fuzz and fuzzer files #551 (0x34d) - [fe643aed6ffc] ci: update cross-platform-actions to 0.6.2 (Vincent Bernat) - [e6afe118500c] ci: do not try to compile SNMP on MacOS (Vincent Bernat) - [210666cfe59f] ci: test with OpenBSD 7.1 (Vincent Bernat) - [b5f502aa348a] ci: try to install NetSNMP from Homebrew (Vincent Bernat) - [8b9da8225a33] daemon: name the ints returned by pattern_match() function (Vincent Bernat) - [d783e3830eab] daemon: cleanup remote ports for permanent interfaces too (Vincent Bernat) - [7064f06bb3ca] lib: fix types in custom TLVs documentation (Vincent Bernat) - [4755f186d1c8] client: document ability to have per-port custom TLVs (Vincent Bernat) - [e19e50f6a99a] lib: zero receive buffer (Vincent Bernat) - [168111bb1ca6] build: really reset coverity cache (Vincent Bernat) - [b8b44d4baab6] build: reset Coverity cache (Vincent Bernat) - [aada199b3b80] daemon: do not use 00:00:00:00:00:00 as chassis ID (Vincent Bernat) - [e1ae41d0879d] client: mention pause does not work in the configuration file (Vincent Bernat) - [dad4ed45cec1] build: only build ARM64 docker images for releases (Vincent Bernat) - [5b9178e18eac] build: disable multi-arch build for now (Vincent Bernat) - [518eb9276c4f] build: ship universal binaries for macOS (Vincent Bernat) - [870702b0ed19] build: try to run FreeBSD/OpenBSD on macos-latest (Vincent Bernat) - [e7724627ec7f] build: prefer install in /usr/local in Docker (Vincent Bernat) 1.0.15 [2022-08-17 15:07:26 +0200]: - [4489027c47f6] release: 1.0.15 (Vincent Bernat) - [09b95cb62f56] protocol/lldp: accept unknown TLVs on known orgs (Vincent Bernat) - [2541f5c05712] client: make a connection before parsing inputs (Vincent Bernat) - [548719bfa36c] doc: mention contributor of last commit (Vincent Bernat) - [4c8e6e37142b] client: Added support to override system capabilities (Ignacio Sanchez Navarro) - [31c49c1593bf] build: update flake.lock (Vincent Bernat) - [3161d66bb804] github: only build tags, master branch and pull requests (Vincent Bernat) - [23fc28d5cb99] github: revert last change (Vincent Bernat) - [72bbcbd98dae] github: show how to use triple backticks (Vincent Bernat) - [eacd9512ebd2] netlink: fix indentation (Vincent Bernat) - [db5c70856ad5] netlink: ignore IPv6 temporary addresses (Vincent Bernat) - [a8bd66c87dd8] tests: really fix "too many VLANs" test (Vincent Bernat) - [4900429110b0] doc: add an entry for latest commit (Vincent Bernat) - [1f5bc03e4d02] lldp: don't send vlan when without_vlans is set (Florent Fourcot) - [a3e1f7f51a20] debian: update debhelper to 9 (Vincent Bernat) 1.0.14 [2022-05-21 23:07:48 +0200]: - [15b9de1227c9] release: 1.0.14 (Vincent Bernat) - [7f9678d8aa98] Revert "lib: update version-info" (Vincent Bernat) - [e069bba4ec99] lib: update version-info (Vincent Bernat) - [a18ecd40f156] doc: add a NEWS entry for latest commits (Vincent Bernat) - [16b5bae4a2d1] docs: fix discussion ID related to VLAN issues (Vincent Bernat) - [f1808b3bd525] doc: Add docs for (un)configure inventory commands (Harshal Gohel) - [df35cd76a99e] tests: Add inventory configuration tests (Harshal Gohel) - [8ef9c766be01] med: Add configure inventory commands (Harshal Gohel) - [12e81bd1d50a] tests: ensure we free pyroute2 resources (Vincent Bernat) - [8e9dbbf80918] lldp: don't send VLANs when there are too many of them (Vincent Bernat) - [45f3c77332be] doc: restore note about Intel cards (Vincent Bernat) - [9aaf1bb651d3] docker: fix build on Alpine by requiring bsd-compat-headers for sys/queue.h (Vincent Bernat) - [2f2ae98ded0c] include: add back include/linux for old distributions (Vincent Bernat) - [4da5d52856e1] include: nuke include directory for BSD and Linux (Vincent Bernat) - [b64391c6aa77] ci: only run distcheck if we are doing a release (Vincent Bernat) - [e47df85ed5c6] ci: tentative to also build on FreeBSD/NetBSD/OpenBSD (Vincent Bernat) - [2a64d539fd1b] build: use `cc -E` instead of `cpp` to build atom list (Vincent Bernat) - [ec2a78bf9d75] build: define _OPENBSD_SOURCE on NetBSD (Vincent Bernat) - [51ef84607fd5] doc: use @sysconfdir@ for /etc in manual pages (Vincent Bernat) - [475c21e022dc] ci: try to run make check even with clang (Vincent Bernat) - [936fe92762dc] build: explain current alternative (Vincent Bernat) - [d1db83d95bb6] build: add a mention why we still use nix-gitignore (Vincent Bernat) - [df7dd150dd94] build: use Nix flake (Vincent Bernat) - [0eccbc09f4b3] lldp: fix capitalization in error message (Vincent Bernat) - [e7b14e45e5ba] lldp: report interface name on "Too big message" (Vincent Bernat) - [1def824404cf] daemon: add additional syscalls to SECCOMP filter when running in the foreground (David Sastre Medina) - [0ea4b1a5e0e9] linux: add access syscall to seccomp rules (Antonio Quartulli) - [3d916d6d89a6] interfaces: detect interface index changes (Vincent Bernat) - [9f370881d17d] tests: use @pytest.fixture instead of @pytest.yield_fixture (Vincent Bernat) - [575c586ca093] lib: avoid useless initialization of buffer (Vincent Bernat) - [690e447ea0a9] interfaces: on NetBSD, ifbic_req can use more than 64 bytes (Vincent Bernat) - [13b873027d65] tests: fix compilation warning in marshalling test (Vincent Bernat) - [848fc0c66397] build: add git and check to default.nix (Vincent Bernat) - [f6f22f6fb194] build: simplify a bit default.nix (Vincent Bernat) - [e57bf5ea66a7] linux: add missing SECCOMP rules (Benedikt Neuffer) - [e0e375cec9f6] osx: update Brew recipe (Vincent Bernat) 1.0.13 [2021-11-13 13:05:00 +0100]: - [9576b78ec445] release: 1.0.13 (Vincent Bernat) - [3a66eef6c078] tests: stop complain about extra args when compiling checks (Vincent Bernat) - [73d42680fce8] sonmp: fix heap overflow when reading SONMP packets (Vincent Bernat) - [9dee8deceb3b] build: provide a clearer message if pkg-config is not installed (Vincent Bernat) - [afddd1bc830c] doc: add NEWS entry for latest commit (Vincent Bernat) - [261afbe371ab] client: do not set VLAN tag if client did not set it (Vincent Bernat) - [f6ad9aa7ad1f] doc: replace the old py.test references by pytest (Jose Pedro Oliveira) - [20c1ef76e36b] interfaces: on OpenBSD, ensure we get a device before setting its flags (Vincent Bernat) - [b5f1e342acc5] lldpcli: remove redundant "ports" parameters from cap and mgmt cmds (Yaroslav Fedoriachenko) - [fed5564a9e78] build: more fallback to autoconf 2.69 (Vincent Bernat) - [f3609abde3f2] build: fallback to use autoconf 2.69 again (Vincent Bernat) - [bc6cf97858ea] build: update to autoconf 2.71 (Vincent Bernat) - [837d5d19d514] tests: make decode work without libcheck (Vincent Bernat) - [29203ab26cd8] doc: update link to the Wireshark's LLDP Wiki page (Jose Pedro Oliveira) - [acc673f95eb3] Fix illumos name typo (Brian Bennett) - [7d60750c53b9] event: fix monitoring of the monitor process on Illuminos (Vincent Bernat) - [4ed0cd5ceab3] priv: fix chroot creation (Vincent Bernat) - [9864921a6825] priv: handle EROFS when creating chroot (Vincent Bernat) - [f28fc79d7816] osx: replace plist by service in brew recipe (Vincent Bernat) - [a8140f41b8cd] osx: update Brew recipe (Vincent Bernat) - [5d5e930ebff3] doc: update NEWS file (Vincent Bernat) - [d5b5adba9cb4] Add support for 2.5G, 5G, 25G, and 50G based Ethernet (#475) (quwer2) - [b78587a4c494] interfaces-bsd: do not consider an interface when it is down (Vincent Bernat) - [a818d643bd5a] ci: publish a release as a draft (Vincent Bernat) - [cd5c1a6e0330] ci: unshallow repository on release (Vincent Bernat) 1.0.12 [2021-08-20 22:25:09 +0200]: - [2129b015777e] release: 1.0.12 (Vincent Bernat) - [b341c404a8e4] ci: fetch tags when doing a release (Vincent Bernat) - [f2f8ff5eea5a] doc: fix typo (Vincent Bernat) - [ca8206115c5f] github: emphasize more that the issue tracker is not a support forum (Vincent Bernat) - [abfb5c136213] github: fix release workflow (Vincent Bernat) - [f6b6b17b16f6] github: better caching for coverity toolchain (Vincent Bernat) - [5e62e262c853] github: automatically publish a release (Vincent Bernat) - [f0867af0092f] ci: reduce the number of docker images to maintain (Vincent Bernat) - [206db033686a] build: modernize a bit autoconf setup (to 2.69) (Vincent Bernat) - [97c127127ab8] doc: explain which tags to use for Docker (Vincent Bernat) - [2f9ae77dded4] ci: fix ppc64el platform (Vincent Bernat) - [bab229e18de9] ci: run coverity only once a week (Vincent Bernat) - [a244ecfbba82] ci: build and publish a Dockerfile (Vincent Bernat) - [1aed5ced2dc0] doc: change title format to use pound for markdown (Vincent Bernat) - [c82da6985ab8] tests: remove old Dockerfile.wheezy (Vincent Bernat) - [7300ba8a298e] github: templates for bug report and feature request (Vincent Bernat) - [edbe893084b5] github: add funding using BMC (Vincent Bernat) - [0e05b829bb90] lldpcli: require powerpairs for Dot3 power even when PD (Vincent Bernat) - [8aed1c35acd6] Updates documentation for Android target Adds specific compilation steps Adds links to source and NDK Adds installation script example (Zach Cardoza) - [a1c9d4bef7ff] client: put lock file in the same directory as the socket (Vincent Bernat) - [104cdb42d0b7] tests: use a tmpfs for /var/lock and handle broken symlinks (Vincent Bernat) - [75dc6ac5f5db] tests: create /var/lock if it does not exist (Vincent Bernat) - [c38c53d012f3] client: use a dedicated file lock to prevent concurrent changes (Vincent Bernat) 1.0.11 [2021-05-01 18:52:30 +0200]: - [1b297ccc0956] release: 1.0.11 (Vincent Bernat) - [3765d7ff8554] priv: explain why we don't use ethtool (Vincent Bernat) - [a74fd8ca9c02] priv: disable LLDP in firmware for Intel X7xx cards (Vincent Bernat) - [ad6d5d831e6c] priv: ensure Intel E8xx cards can transmit LLDP packets (Vincent Bernat) - [fe4273974c10] daemon: fix some use of "if defined" (Vincent Bernat) - [3020ec35c0a2] github: no need to be smart to show how to format code (Vincent Bernat) - [30b2f5f7bf20] github: explain people how to format lines of code (Vincent Bernat) - [b85fd128986a] osx: update Homebrew recipe (Vincent Bernat) 1.0.10 [2021-04-09 12:52:15 +0200]: - [7749b008183f] release: 1.0.10 (Vincent Bernat) - [7535505355c2] tests: catch problem with creation of chroot in tests (Vincent Bernat) - [73c5b5e7c431] priv: fix chroot directory creation (Vincent Bernat) - [759ee79a3aba] osx: update version in Homebrew recipe (Vincent Bernat) - [520c89f454c3] tests: fix a command in tests/lldpcli.conf (Vincent Bernat) 1.0.9 [2021-04-02 09:39:50 +0200]: - [a368f3ff380d] release: 1.0.9 (Vincent Bernat) - [e4a3cdbdf32e] osx: add license to HomeBrew recipe (Vincent Bernat) - [36314efd7979] osx: update URL for HomeBrew recipe (Vincent Bernat) - [bfa94529e741] osx: handle empty groups correctly when looking for a free UID (Vincent Bernat) - [b5dcbbf2bc40] build: cache coverity toolchain (Vincent Bernat) - [f05dfc69dcae] daemon: fix mkdir_p() implementation (Vincent Bernat) - [e1926a99d8cd] client: fix additional memory leaks detected by Coverity Scan (Vincent Bernat) - [03ed6a501726] daemon: rewrite `mkdir_p()` to not use strtok/strcat (Vincent Bernat) - [109c41b9db51] daemon: fix some coverity annotations (Vincent Bernat) - [61979752198d] client: make it easier for Coverity to understand commands_new() (Vincent Bernat) - [4853bfbea9c9] build: allow to manually trigger Coverity Scan (Vincent Bernat) - [e762ce2e4195] daemon: enforce limits when receiving arbitrary-length data in privsep (Vincent Bernat) - [c2e8c8c7c03d] interfaces: use an array of MAC addresses when defining supported protocols (Vincent Bernat) - [d8d0078ef38d] priv: abort on allocation error (Vincent Bernat) - [2e304488fac2] daemon: annotate "daemonisation" to help Coverity (Vincent Bernat) - [f7eae6f879d8] client: do not allow memory allocations to fail (Vincent Bernat) - [2763a712853e] netlink: fix socket leak on some error condition (Vincent Bernat) - [6043b2b33b91] netlink: remove dead code, iface2 cannot be NULL inside the iterator (Vincent Bernat) - [fd4acd7f4a19] build: reenable Coverity Scan (Vincent Bernat) - [7d60bf30effc] protocols: fix more memory leak when decoding multiple TLVs (Vincent Bernat) - [8c69002b45bb] Eliminate unused arguments to priv_init() with --disable-privsep. (John Lindgren) - [3fd81d8953ad] Fix relative include paths to be more correct and portable. (John Lindgren) - [50b79a84dc1b] client: don't show age/via for local interfaces (Vincent Bernat) - [546a52800a13] client: display port administrative status with "show interfaces" (Vincent Bernat) - [55029f95f7b8] tests: also test if we send interface description if present (Vincent Bernat) - [add95b843bdb] interfaces: do not use interface alias if we set it ourselves (Vincent Bernat) - [7656adf5f6d6] tests: add a test for "configure system interface description" (Vincent Bernat) - [7ba1f7e0dc43] doc: tell content of lib should be in lib64 for Android (Vincent Bernat) - [3ac28884f7fa] doc: tell minimum Android NDK this has been tested with (Vincent Bernat) - [135a35620991] doc: update instructions for Android (Vincent Bernat) - [69d92462ad5b] lldpd: override compiler and linker option strings (Oleksiy Obitotskyy) 1.0.8 [2021-01-13 18:43:16 +0100]: - [0a251e25f60c] release: 1.0.8 (Vincent Bernat) - [40e6e62217bb] doc: add NEWS entry about CVE-2020-27827 (Vincent Bernat) - [323cec5f80a1] doc: update NEWS file (Vincent Bernat) - [1cf1a23f1166] routing/linux: check IPv6 forwarding status when enabling Router capa (Antonio Quartulli) - [aa94e013733e] tests: don't install libxml2 on MacOS (Vincent Bernat) - [a562ded7e8a6] Merge pull request #423 from jow-/bugfix-prevent-macro-conflict (Vincent Bernat) - [23509dc05b24] build: prevent conflict with official AX_LIB_READLINE macro (Jo-Philipp Wich) - [60ba294c1d2f] Merge pull request #422 from lldpd/fix/lldp-med-loc-parsing (Vincent Bernat) - [5c3479463a91] lib: fix LLDP-MED location parsing in liblldpctl (Vincent Bernat) - [e16e1dce259b] Merge pull request #418 from orgcandman/memleak_fix (Vincent Bernat) - [a8d3c90feca5] lldp: avoid memory leak from bad packets (Aaron Conole) - [9b50cef92a8b] doc: fix lldpd new URL (Vincent Bernat) - [fae9dd45f9ff] doc: move lldpd to a dedicated organization (Vincent Bernat) - [8ab49f772193] github: move away from Travis to GitHub Actions (Vincent Bernat) - [19975916ff09] libevent: update to 2.1.12-stable (Vincent Bernat) - [744e246e0007] daemon: remove implicit fall-through (Vincent Bernat) 1.0.7 [2020-10-31 15:34:20 +0100]: - [55e14377de15] release: 1.0.7 (Vincent Bernat) - [1fb6eb74df47] Merge pull request #414 from vincentbernat/fix/missed-lldp-packets (Vincent Bernat) - [8b50be7f61ad] interfaces: listen to all incoming packets on Linux, not just LLDP ones (Vincent Bernat) - [1d06c55cab1e] tests: fix tests around XML by canonicalizing XML representation (Vincent Bernat) - [5d9226d14067] linux: ignore outgoing packets at the socket level (Vincent Bernat) - [17ec57b2795b] osx: update formula for HomeBrew (with upstream additions) (Vincent Bernat) - [836bef0a33c7] osx: update HomeBrew formula (Vincent Bernat) 1.0.6 [2020-09-05 13:48:00 +0200]: - [06ae963f0520] release: 1.0.6 (Vincent Bernat) - [ad728591de90] Merge pull request #410 from awujek/develop (Vincent Bernat) - [1e85286ae2f2] ports: allow sending LLDP frames on a specified VLAN (Michal Wasiak) - [2322c3152761] client: fix spelling error (Vincent Bernat) - [dd657388f91a] doc: add a NEWS entry for latest commit (Vincent Bernat) - [78243478dcec] lib: remove limit on system description length (Vincent Bernat) - [4d5aa4211ad3] ci: silent a bit `brew update` (Vincent Bernat) - [e25f1966e0d0] Merge pull request #401 from vincentbernat/fix/allowlist (Vincent Bernat) - [a49cd2663830] ci: don't run unittests with clang (Vincent Bernat) - [d561e0c9cd55] ci: use "brew bundle" instead of "brew install" (Vincent Bernat) - [28fb48859cd2] code: remove use of blacklist/whitelist (Vincent Bernat) - [79d65340b35b] netlink: make "no name/no address" message a debug message (Vincent Bernat) - [21a542b64563] doc: fix wording about interface exclusion (Vincent Bernat) - [d21599d2e6fa] build: add lldpd.stp to CLEANFILES (Vincent Bernat) - [29fb4fef1ee5] build: make unit tests work when systemtap support is enabled (Vincent Bernat) - [44378559447c] travis: fix systemtap package name for dtrace support (Vincent Bernat) - [b06040136c5c] libevent: upgrade to 2.1.11-stable (Vincent Bernat) - [294c51d21846] travis: check build with dtrace support (Vincent Bernat) - [262743857bb1] priv: fix missing semi-colon (Vincent Bernat) - [f0659826050f] build: fix syscall names extraction (Vincent Bernat) - [b74e151dcfa9] build: ensure build process stops if not able to generate syscall-names.h (Vincent Bernat) - [d1b6636359a6] build: do not hardcode cpp invocation (Vincent Bernat) - [32bfe60bc721] Merge pull request #393 from vincentbernat/fix/snmp-empty-sysname (Vincent Bernat) - [351a4b1d149a] agent: fix SNMP walk on lldpRemTable when missing remote sysName (Vincent Bernat) - [a170d31ef405] Merge pull request #391 from Polynomial-C/1.0.5-gentoo_seccomp (Vincent Bernat) - [d2bbdb6cadea] v1.0.5: seccomp - add gettime (Patrick McLean) - [546bf8fe865d] v1.0.1: seccomp - add brk (Patrick McLean) - [3ab8ebbc6e06] v0.9.5: seccomp - add socket ops (Patrick McLean) - [b877664dec7e] Merge pull request #388 from vincentbernat/fix/locked-conn (Vincent Bernat) - [9d7e82a1e450] lib: introduce lldpctl_watch_callback2() (Vincent Bernat) - [cb38337c2b6f] lib: stricly-prevent use of a connection used to watch events (Vincent Bernat) - [c0363157dc48] lib: emphasize `conn` cannot be used after lldpctl_watch_callback() (Vincent Bernat) - [15062dfd11b6] agent: simpler code with #ifdef (Vincent Bernat) - [68c3556d4e70] Revert "agent: fix crash on AgentX reconnect with NetSNMP 5.8" (Vincent Bernat) - [c0b9ad5fc83e] agent: fix crash on AgentX reconnect with NetSNMP 5.8 (Vincent Bernat) - [4c18d6631376] Merge pull request #386 from vincentbernat/fix/chassisid-interface-flap (Vincent Bernat) - [d7afa6a181e4] interfaces: don't modify chassis ID when overriden (Vincent Bernat) - [0ca939b05e05] tests: don't fail on __exit__ if we failed in __enter__ (Vincent Bernat) - [8f6f82b696c5] tests: fix bitmap test on 32bit (Vincent Bernat) - [2bab421823de] tests: do not check for MED inventory if /sys/class/dmi not available (Vincent Bernat) - [eec0cfa53cad] tests: do not enable asan on anything else than x86_64 (Vincent Bernat) - [c98c9504bcd2] tests: display tests/test-suite.log on errors (Vincent Bernat) - [c168c1536c6c] build: provide a default.nix file (Vincent Bernat) - [657d89df25f4] osx: update recipe for HomeBrew (Vincent Bernat) 1.0.5 [2020-02-01 22:15:40 +0100]: - [6d83fa565e82] release: 1.0.5 (Vincent Bernat) - [3d65bc40a27f] include: remove in6.h from linux/bridge.h (Vincent Bernat) - [69a0de1dc81a] tests: provide a Dockerfile to build with wheezy (Vincent Bernat) - [0994188ff6a6] include: don't use __kernel_sa_family_t (Vincent Bernat) - [e74d1f683e89] include: don't include linux/sysinfo.h (Vincent Bernat) - [217b9531d405] interfaces: include "netinet/in.h" before kernel headers (Vincent Bernat) - [ae03f0903509] interfaces: fix usage of inet_pton() (Vincent Bernat) - [0b2e10b58220] travis: remove ARM64 (Vincent Bernat) - [8b2b28f54595] interfaces: move bitmaps function to a dedicated file (Vincent Bernat) - [21a0428a6ebf] snmp: additional fix around NetSNMP 5.8+ and function pointers (Vincent Bernat) - [31ac51a8ef2e] snmp: tentative to fix compilation with older versions of NetSNMP (Vincent Bernat) - [385e5e4cf3a7] interfaces: correctly handle bridges with VLAN filtering enabled (Vincent Bernat) - [d807e90f60b8] daemon: remove unused interface types (Vincent Bernat) - [24e8fda8fa36] tests: check we don't mix VLAN among interfaces (Vincent Bernat) - [f9e522d6cf2c] snmp: update signature for create_ostring (Vincent Bernat) - [f27e002f6993] snmp: update signature of fmtaddr and send functions (Vincent Bernat) - [98282043df36] debian: update watch file (Vincent Bernat) - [33a2f0f2eaf0] Merge pull request #376 from stannous/remote-vlan-limitations (Vincent Bernat) - [cf6d726e9057] tests: use "-Ln" to avoid logging with snmpd (Vincent Bernat) - [0c5525bbef50] netlink: fix detection of VLAN 1 (Vincent Bernat) - [b2e80798d1fc] netlink: use an optimized version of num_bits_set (Vincent Bernat) - [626ea3610fa3] interfaces: fix for limitation of 10 VLANs for LLDP .1q feature (Radhika Mahankali) - [6f66d1086b11] lib: don't break ABI by moving new config_tx_interval_ms to end (Vincent Bernat) - [4491a5cc42b2] Merge pull request #379 from jp-t/master (Vincent Bernat) - [5134d8882312] lldpd: set a 30 seconds lower limit to the safeguard timer (Jean-Pierre Tosoni) - [6ef305d50c07] doc, tests: milliseconds tx-interval finishing touch (Jean-Pierre Tosoni) - [7f6a8ace68b5] snmp agent: fix tests suite for milliseconds units (Jean-Pierre Tosoni) - [74f55c2e029d] Allow configuring tx-interval in milliseconds (Jean-Pierre Tosoni) - [b2bd6c456edc] tests: remove hack around libtool on OSX (Vincent Bernat) - [cbafbacca083] tests: skip tests requiring kernel features not present (Vincent Bernat) - [60c22a3c3180] travis: update to Bionic (Vincent Bernat) - [1f2e7757828c] travis: also build for arm64 (Vincent Bernat) - [036fca466fc7] Merge pull request #375 from stannous/master (Vincent Bernat) - [e512429c88d2] Fix for LLDP related netlink error messages (Radhika Mahankali) - [e02913c2c5a3] Revert "client: remove useless variable declaration in zsh completion" (Vincent Bernat) - [8e857e1b2044] client: fix zsh completion to not alter global environment (Vincent Bernat) - [e37dd8d0a3f6] client: remove useless variable declaration in zsh completion (Vincent Bernat) - [3ae837fd06da] LLDPD should document system refresh timer (tx-interval * 20) (Sam Tannous) - [314ca2736599] lldp: don't discard the whole LLDPDU when only one TLV is invalid (Vincent Bernat) - [69362215b2fb] tests: add a test with different MTU interfaces (Vincent Bernat) - [70845fe4e73b] redhat: fix license name in spec file (Vincent Bernat) - [9c49cedf8e75] lib: fix memory leak when handling I/O (Vincent Bernat) - [7056d802b9c5] lldpcli: ask for power pairs only when PSE (Vincent Bernat) - [990e4e384315] Merge pull request #350 from patrikdanielssonaxis/8023bt (Vincent Bernat) - [d88003ff0288] test: add tests for 802.3BT additions (Vincent Bernat) - [ece1209a900f] test: use scapy when sending pcap files (Vincent Bernat) - [7cfcd3b7efb9] lldp: Power via MDI TLV: Initial support for 802.3bt (Patrik Danielsson) - [92e3b3ac3199] Merge branch 'feature/vlan-enabled-bridge' (Vincent Bernat) - [a9fe956f3e07] lldp: when receiving a shutdown LLDPU, don't clear chassis information (Vincent Bernat) - [3aeae72b9771] lldp: validate a bit more received LLDP frames (Vincent Bernat) - [fc5526dae75f] interfaces: only register protocol handler for LLDP when only LLDP enabled (Vincent Bernat) - [fc8164d80bc9] lldpctl: don't reopen control socket each time we want to lock (Vincent Bernat) - [0a46b330f02b] lldpctl: put a lock around some commands to avoid race conditions (Vincent Bernat) - [5c969283279e] log: don't use black for coloring DBG (Vincent Bernat) - [011056b3a714] netlink: support VLAN-aware bridges (Vincent Bernat) - [5a85fbc93433] netlink: ignore IFLA_LINK if we previously received IFLA_LINK_NETNSID (Vincent Bernat) - [43b333967018] interfaces: don't log errno when detecting loops (Vincent Bernat) - [11df89a99dae] tests: fix skip instruction (Vincent Bernat) - [f6bbc43b2085] tests: don't use pytest.config (Vincent Bernat) - [68bc4a4d6293] interfaces: enable matching on interface name for management address (Vincent Bernat) - [d94afe74b665] lldpd: fix bitfield (Wataru Ashihara) - [92014c586860] client: fix parameter order (Wataru Ashihara) - [a32224491a62] lib: fix memory leak (Wataru Ashihara) - [07ecfcd1972e] fix typo (Wataru Ashihara) - [c3cb7055c02d] lib: fix enumeration (Wataru Ashihara) - [9b68a67f5dae] build: disable warnings on cast alignments (Vincent Bernat) - [27ea4d1e7e1d] tests: be verbose when running make on CI when an error happens (Vincent Bernat) - [30fca74bf43f] client: don't display management interface index if unknown (Vincent Bernat) - [b7b7dc349aa4] interfaces: compute interface index for fixed management address (Vincent Bernat) - [d319b0deaccf] lib: expose management interface index (Vincent Bernat) - [db76b2281622] lib: fix missing words in lldpctl.h (Vincent Bernat) - [a192a2e91f81] include: update headers to 4.19 (Vincent Bernat) - [869ab1032650] June 15th 2019 was a Saturday, not a Sunday (eb3095) - [d3fa9b099783] osx: update recipe for HomeBrew (Vincent Bernat) 1.0.4 [2019-06-15 11:09:44 +0200]: - [1507a0035694] release: 1.0.4 (Vincent Bernat) - [4a1fb0acb1e4] lldpd: document expectation for LLDP-MED device configuration (Vincent Bernat) - [66a551ed239d] netlink: make the netlink socket totally non blocking (Vincent Bernat) - [6c3697f21295] netlink: handle blocking read from netlink socket (Vincent Bernat) - [8ca3da075bfc] snmp: implement lldpRemOrgDefInfoTable for remote custom TLVs (Vincent Bernat) - [10da5bcb106b] debian: depends on lsb-base (Vincent Bernat) - [fe28f2c441fc] debian: no need to BD on lsb-release anymore (Vincent Bernat) - [653838a396cc] doc: update Android instructions for ARM64 (Vincent Bernat) - [fbb30189306c] client: use bold instead of a color for command completions (Vincent Bernat) - [26b82f3f7c35] agent: do not increase statsAgeoutsTotal when receiving a shutdown frame (Vincent Bernat) - [109bcd423cd5] lldp: increase statsTLVsUnrecognizedTotal on unknown TLV (Vincent Bernat) - [da94dd1fff77] tests: update pytest (Vincent Bernat) - [6e3cb2f550fb] client: rename max-neighbor command (Vincent Bernat) - [1adf91794dd5] tests: add test for global configuration settings (Vincent Bernat) - [ba1bdf6aaf76] client: ability to set maximum of neighbors from lldpcli (Vincent Bernat) - [b2eebb31fc21] priv: include limits.h for PATH_MAX (Sören Tempel) - [0ca212866b3c] lib: use an unique variable as iterator in foreach macro (Vincent Bernat) - [d0058aa62e1c] build: warn on implicit fallthrough for case statements (Vincent Bernat) - [adbb26bc0a49] build: enable increased reliability of stack overflow detection (Vincent Bernat) - [a636b31d72ea] interfaces/linux: make dsa special (Brandon Streiff) - [4e7ec8233cd1] build: fix compilation with `--enable-fdp --disable-cdp` (Vincent Bernat) - [cd752e02254d] daemon: allow lseek for seccomp (Vincent Bernat) - [499046a8dfd1] osx: update version in HomeBrew formula (Vincent Bernat) 1.0.3 [2018-12-10 15:02:58 +0100]: - [0c08843c9014] release: 1.0.3 (Vincent Bernat) - [22bd96c5ada0] daemon: fix creation of chroot directory (Vincent Bernat) - [1baf9c0438de] osx: update version in HomeBrew formula (Vincent Bernat) - [edf5dc16086e] osx: sync HomeBrew formula (Vincent Bernat) - [17f7469e20bb] daemon: check if started through systemd first (Vincent Bernat) - [c041c3e86d56] daemon: remove unused agent_default_agentx_socket() function (Vincent Bernat) 1.0.2 [2018-12-01 10:21:01 +0100]: - [f1a6e154e764] release: 1.0.2 (Vincent Bernat) - [d39a304d0b68] daemon: don't enable ProtectSystem by default (Vincent Bernat) - [2f4ff3072b95] interfaces: remove specific handling for bonds except with --enable-oldies (Vincent Bernat) - [f2e7a911cb26] doc: update documentation for Android (Vincent Bernat) - [9ba21c60d945] Allow linux kernel to autoprobe correct socket_nl.nl_pid address (Pavel Shirshov) - [e86777ab39fe] daemon: do not explicitely inline functions (Vincent Bernat) - [ff3dcc4ad71c] build: ability to disable libbsd with --without-libbsd (Vincent Bernat) - [02f4014ff588] marshal: avoid NULL pointer arithmetic (Vincent Bernat) - [9bf35ec47856] lib: use constants from lldp-const.h for Dot3 MAU (Vincent Bernat) - [766114c5cc60] dot3: fix 100BASE-T4 MAU (Vincent Bernat) - [822804ac5ef9] interfaces: provide clearer messages about ethtool problems (Vincent Bernat) - [90a50860ebdc] daemon: implement mkdir -p directly in lldpd (Vincent Bernat) - [b6e63f2f8610] doc: add latest commit to NEWS (Vincent Bernat) - [ba4c3fdb9ddc] Merge pull request #289 from GustavWi/master (Vincent Bernat) - [5334d8c8a459] Add support for PD PoE negotiation. (Gustav Wiklander) - [7db1168e609e] redhat: install lldpcli as setuid _lldpd (Vincent Bernat) - [342d2dab3823] osx: update brew formula (Vincent Bernat) - [52018f530b6c] Merge pull request #285 from vincentbernat/feature/linux-caps (Vincent Bernat) - [3136d7ab93de] tests: request CAP_DAC_OVERRIDE (Vincent Bernat) - [987454994be6] tests: add SNMP-related tests (Vincent Bernat) - [83577a2b3b88] priv: always request CAP_FOWNER (Vincent Bernat) - [0e52112d7306] priv: request CAP_FOWNER only if SNMP is enabled on command-line (Vincent Bernat) - [a0e2dc0b0b9a] priv: don't use %m in format string (Vincent Bernat) - [8a4e0fbf782c] debian/redhat: build-depends on libcap-dev/libcap-devel (Vincent Bernat) - [7947994cdf96] tests: don't start lldpd twice in a namespace (Vincent Bernat) - [08e05799dd7c] tests: add a test for interface alias handling (Vincent Bernat) - [3a7923cb2aff] build: also test directly for -lcap when no pkg-config (Vincent Bernat) - [06b24ddcb584] priv: when SNMP AgentX socket is filesystem-based, acquire CAP_FOWNER (Vincent Bernat) - [f6933edaf2ed] priv: drop most privileges in monitor, only keep CAP_NET_RAW/ADMIN (Vincent Bernat) - [d3cbf3697c0e] Merge pull request #286 from GustavWi/master (Vincent Bernat) - [db3731d0a6df] Read all notifications in lldpctl_recv. (Gustav Wiklander) - [09a267fcda7a] lib: document the inability to do anything else when processing notifications (Vincent Bernat) - [a8dd189419d1] build: use lowercase for PKG_CHECK_MODULES (Vincent Bernat) - [7cae6b6e3a29] doc: add more instructions for Android (Vincent Bernat) 1.0.1 [2018-04-09 14:45:03 +0200]: - [e22747ce7943] build: no fatal errors when compiling with embedded libevent on macOS (Vincent Bernat) - [f55c541ccb28] build: don't override CFLAGS when building libevent (Vincent Bernat) - [4ff8626eced9] release: 1.0.1 (Vincent Bernat) - [c0dd6678ef93] daemon: use "mkdir -p" instead of "mkdir" (Vincent Bernat) - [05455522fdd5] Revert "daemon: use RuntimeDirectory= instead of mkdir to create chroot" (Vincent Bernat) - [478ec07ddc34] daemon: use RuntimeDirectory= instead of mkdir to create chroot (Vincent Bernat) - [c560c1ca38c6] build: try another way to circumvent macOS warning in libevent (Vincent Bernat) - [e72186255180] build: also build with embedded libevent in OSX (Vincent Bernat) - [eb779d02e144] build: don't be picky about deprecated stuff in libevent (Vincent Bernat) 1.0.0 [2018-04-08 18:30:57 +0200]: - [99a0b07d3288] release: prepare 1.0.0 (Vincent Bernat) - [f9da7943df17] Merge pull request #274 from vincentbernat/feature/keep-some-ports (Vincent Bernat) - [474c5baabeaa] Merge pull request #272 from westermo/fix-snmp-remTablesLastChange (Vincent Bernat) - [0a78e14f8795] lldpd: add an option to keep some specified ports (Vincent Bernat) - [246d153846ab] tests: update tests for configuration keeping on port down/removed (Vincent Bernat) - [dc9869ef11ae] client: remove previous way to set port description from documentation (Vincent Bernat) - [5dd953f435ce] test: add test for new portdescription setting (Vincent Bernat) - [8505c2956a74] interfaces: fix out-of-bound access when getting permanent MAC address (Vincent Bernat) - [989d5a545ab8] tests: don't crash if lldpd crashed (Vincent Bernat) - [b2efcec15fa9] Merge pull request #273 from westermo/config-portdescr (Vincent Bernat) - [3d96ef666437] doc: add entry for portdescription in lldpcli manual page (Jonas Johansson) - [e180a95331f5] client: add alternative way to configure port description (Thomas Eliasson) - [c79467f68440] handle lldpStatsRemTablesLastChangeTime correctly when items are removed (Thomas Eliasson) - [878441b274a7] netlink: fix non-updated management address (Vincent Bernat) - [d43d79d37005] daemon: ensure interval update is taken into account fast (Vincent Bernat) - [12e08b95e087] Merge pull request #271 from axjowa/fix/dot3-pd-pse-echo (Vincent Bernat) - [f474adabbb43] Fix NULL pointer dereference in lldpd_dot3_power_pd_pse (axjowa) - [2e472ccaceb4] build: don't enable sanitizers and safe-stack at the same time (Vincent Bernat) - [c4c9f15a7d1f] interfaces: explain why we cannot get the permanent MAC address (Vincent Bernat) - [3d5ba074330e] build: isolate SNMP-related files during compilation (Vincent Bernat) - [7742be399cd4] lib: lldpctl_k_config_paused is writable (Vincent Bernat) - [7edd995b5c82] doc: add ./autogen.sh to build instructions (Vincent Bernat) - [78e60be7e785] osx: use "squiggly" heredoc (Vincent Bernat) - [b3621e5e7611] Merge pull request #266 from dennypage/master (Vincent Bernat) - [384f5f59a58c] Add missing options to usage (Denny Page) - [0e5197c8174a] client: change description for chassis ID override (Vincent Bernat) - [f36b76c1aff7] daemon: move vfork/fork handling directly in lldpd.c (Vincent Bernat) - [438d3fa6e55e] Merge pull request #263 from vic-lin-accton/master (Vincent Bernat) - [8481f4905029] lib: ability to configure a local chassis ID (Vincent Bernat) - [e6f64ed93e6c] daemon: ensure chassis-related changes are updated immediately (Vincent Bernat) - [d80641ac57f6] lib: move new lldpctl_k_config_cid_string to end of section (Vincent Bernat) - [5660759bdf27] lldpd: check for defined string before use chassis name for chassis id (vic_lin) - [acbb798a2d28] osx: update Homebrew formula (Vincent Bernat) - [b0ca585f627a] daemon: don't use @mkdir_p@ substitution for systemd service file (Vincent Bernat) - [1f73fc1ad7ed] configure: remove check on CXX compiler (Damien Riegel) - [db4383ddb33d] doc: add a word about Intel X710 with embedded LLDP daemon (Vincent Bernat) - [ac57139f73d5] doc: rename OS X to macOS (Vincent Bernat) - [ae6cb83f9d5e] LICENSE: add title and copyright notice (#259) (Waldir Pimenta) 0.9.9 [2017-11-21 16:42:46 +0100]: - [0f552e2b1616] release: force S3 deployment whatever the branch is (Vincent Bernat) - [722f74c45545] release: prepare 0.9.9 (Vincent Bernat) - [1e33fa1d2cf4] dot3: as PD device, echo back PSE allocated value (Vincent Bernat) - [b941efa675ad] travis: upload OSX build to some S3 bucket (Vincent Bernat) - [2f8f95aad168] priv: also allow the use of openat for seccomp (Vincent Bernat) - [49835c1b8c0a] Merge pull request #253 from gregoryp/document_json0_in_cli (Vincent Bernat) - [96197b73d536] lldpcli: document json0 output format (Gregory Potamianos) - [cf89bf59519b] Merge pull request #251 from vincentbernat/fix/reap-children (Vincent Bernat) - [95f43afa5c39] priv: provide a simpler sig_chld when priv sep is disabled (Vincent Bernat) - [635724519137] priv: correctly handle lldpcli exit (Vincent Bernat) - [1602c2246fbb] daemon: don't fork at all when using upstart (Vincent Bernat) - [7a730affb9ff] daemon: don't use SIGSTOP when using Upstart (Vincent Bernat) - [2eb77609706b] Merge pull request #246 from vincentbernat/feature/safestack (Vincent Bernat) - [b9a160c8382b] build: only enable safe-stack if linker supports it (Vincent Bernat) - [38625a92493d] build: enable clang safe-stack feature if available (Vincent Bernat) - [2b9ecd2af832] netlink: be more precise in how we handle link deletion of bridged interface (Vincent Bernat) - [69594747984a] tests: fix previous testcase to fail without previous commit (Vincent Bernat) - [703f6a0d2b1a] netlink: don't remove interfaces when they are released from a bridge (Vincent Bernat) - [3db342340baa] travis: fix broken build due to incomplete python install (Vincent Bernat) - [37a293d33333] priv: add getpid() to seccomp filter (Vincent Bernat) - [630374d49b6f] src: #include when using strtonum() (Vincent Bernat) - [0414abe1cc9c] osx: sync homebrew formula (Vincent Bernat) - [28ce7fd3a494] client: add NEWS entry for before-last commit (Vincent Bernat) - [502cccecf129] client/tests: remove standalone "return" at the end of functions (Vincent Bernat) - [a54f6012efff] client: add show interfaces command (#240) (Steven Webster) - [a6d1d023a82c] client: fix typos in manual page (#239) (Steven Webster) - [94f6ce25be9c] lldpd: add option to override default lldpcli config file locations (#238) (Thomas Tannhäuser) - [4be49ea08c39] osx: update Homebrew recipe (Vincent Bernat) 0.9.8 [2017-08-20 20:25:57 +0200]: - [41aeb617f0ee] release: prepare 0.9.8 (Vincent Bernat) - [04a15281a75c] client: fix JSON output when a special character is in string (Vincent Bernat) - [479d49853a47] client: add "json0" to the list of available formats (Vincent Bernat) - [44b4bc6547e9] tests: upgrade pyroute2 version (Vincent Bernat) - [0a6cb4282a52] tests: replace depcreated pyroute2 functions (Vincent Bernat) - [a3bea2f670ca] tests: enable test for team device (Vincent Bernat) - [a9d00cbdfff4] lldpcli: add "configure system hostname ." to use node name (Vincent Bernat) - [e636354acc47] Merge pull request #235 from vincentbernat/feature/ethtool-no-root (Vincent Bernat) - [68caeec49bc8] interfaces: show a warning if we don't have permissions for ethtool ioctls (Vincent Bernat) - [dd55e6490729] interfaces: fix compilation without Dot3 feature (Vincent Bernat) - [3be8003b3713] interfaces: don't retry GLINKSETTINGS probing if it failed (Vincent Bernat) - [78c9dfdec6b2] priv: don't run ethtool as root (Vincent Bernat) - [2d8bd0876a59] interfaces: use ethtool to get permanent MAC for bonds/teams (Vincent Bernat) - [5f658dacf0d8] interfaces: enable team interfaces like a bond interface (Vincent Bernat) - [8733a3f7207d] daemon: enable recent systemd directive by default (Vincent Bernat) - [a42a0a08626a] daemon: don't try to restrict address families (Vincent Bernat) - [caecd83c46bc] daemon: systemd unit cannot use ProtectSystem=strict (Vincent Bernat) - [d14b06656857] doc: add a NEWS entry for the last change (Vincent Bernat) - [3cb4e08c266f] lldp: clear station bit if any other capability is enabled (Steven Webster) - [eeaaea00711a] client: install ZSH completions in $(datadir)/zsh/site-functions (Vincent Bernat) - [3a59626a7a82] interface-linux: fix this statement may fall through [-Wimplicit-fallthrough=] with gcc7 (Alexis La Goutte) - [6519a50bce85] interface: fix this statement may fall through [-Wimplicit-fallthrough=] with gcc7 (Alexis La Goutte) - [8f31f6d723d9] privsep_io: fix this statement may fall through [-Wimplicit-fallthrough=] with gcc7 (Alexis La Goutte) - [37e9556eddda] doc: update link to Homebrew (Vincent Bernat) - [2e1785facdd9] build: fix get-version script when no git and no dist version (Vincent Bernat) - [78cf3e8d2606] osx: update Homebrew recipe (Vincent Bernat) 0.9.7 [2017-03-19 15:23:04 +0100]: - [6b7fa964cc61] release: prepare 0.9.7 (Vincent Bernat) - [759da3424f4a] ci: don't install jansson (Vincent Bernat) - [a9c7618f8e87] doc: document previous commit in NEWS (Vincent Bernat) - [86bc2873f7e2] Increase number of lldp neighbors to 32. (Sander Vermin) - [0e892b1599cc] redhat: ensure /etc/sysconfig/lldpd is correctly populated (Vincent Bernat) - [269c0188b5f1] daemon: don't log when going to background (Vincent Bernat) - [aed5788058eb] interfaces: vxlan interfaces should be ignored (Vincent Bernat) - [92a6138d88e4] interfaces: include to use errno (Vincent Bernat) - [afd49b83e0ca] interfaces: don't log an hard error when interface is down (Vincent Bernat) - [71b0f9812101] lldp: don't use chassis TTL anymore (Vincent Bernat) - [78346c890cfb] lldp: attach remote TTL to port instead of chassis (Vincent Bernat) - [32f0deeebc91] lldpd: correctly increase discarded count (Vincent Bernat) - [dc39b0f2e9f8] travis: don't install libevent and net-snmp on OSX (Vincent Bernat) - [06987a24ce05] client: built-in JSON support (Vincent Bernat) - [a254e9234d22] osx: update Homebrew recipe (Vincent Bernat) - [bd10ce9d5b73] doc: keyword harmonization for NEWS file (Vincent Bernat) - [52767c4d8ebc] daemon: when daemonizing, close stdout/stderr (Vincent Bernat) 0.9.6 [2017-01-21 13:01:32 +0100]: - [4c97ef8ce6d0] release: prepare 0.9.6 (Vincent Bernat) - [f2a9d6681b0f] redhat: add support for JSON in CentOS >= 6 (Vincent Bernat) - [92c6dcfe24b2] netlink: clear IFF_SLAVE when no information on upper interface (Vincent Bernat) - [f8f9dcacda14] Merge pull request #218 from vincentbernat/feature/netlink-autoadapt (Vincent Bernat) - [77e88618e461] Merge pull request #216 from vincentbernat/fix/epollerrr (Vincent Bernat) - [5d0938c08821] client: fix typo in manual page (Vincent Bernat) - [9289ec93b4a0] Merge pull request #219 from alagoutte/fix (Vincent Bernat) - [04f8e4a343b4] Fix Expression '!iface' is always true (Alexis La Goutte) - [960541ebe246] netlink: minimize code duplication when handling buffer sizes (Vincent Bernat) - [48292d82efbd] netlink: by default, don't change netlink buffer size (Vincent Bernat) - [0cb979c72da5] netlink: automatically increase netlink receive buffer on errors (Vincent Bernat) - [e8ee1d9da91f] netlink: set size to the correct value for getsockopt() (Vincent Bernat) - [93051bc2dc91] netlink: make change of buffer size optional (Vincent Bernat) - [568a0d7304e5] netlink: make the values for buffer size configurable through ./configure (Vincent Bernat) - [e0d9719f3fcd] doc: fix name of new ethtool command (Vincent Bernat) - [c9f0ee58bf7f] daemon: config netlink socket buf sizes at build time (Alexandru Ardelean) - [36d0c286ecb3] tests: avoid race condition when linking two namespaces (Vincent Bernat) - [b586ab14774b] build: use @mkdir_p@ instead of @MKDIR_P@ (Vincent Bernat) - [16a54f531366] daemon: suggests additional sandboxing with systemd (Vincent Bernat) - [54cccdd42e85] interfaces: on Linux, clear socket error queue on error (Vincent Bernat) - [462ef2ce2e32] interfaces: refactor generic ethernet/bond reception for Linux (Vincent Bernat) - [efae5c833ecb] Revert "tests: mark tests spawning a new port as flaky" (Vincent Bernat) - [0efde559064f] tests: mark tests spawning a new port as flaky (Vincent Bernat) - [7181aba5cc52] tests: fix when Dot3 is not enabled (Vincent Bernat) - [72cf4bba2775] client: display current MAU type even when autoneg is disabled (Vincent Bernat) - [e9447d4562c2] lldpd: don't make lldpcli complain on missing conf files (Vincent Bernat) - [ad8971ecebc8] tests: minimize file descriptor leaks (Vincent Bernat) - [5458f879c20a] lib: include MAU type map only when Dot3 support is enabled (Vincent Bernat) - [08203be9bfd9] Merge pull request #212 from vincentbernat/feature/ethtool-linksettings (Vincent Bernat) - [c52e8f412b7a] tests: wait even more when spawning a new interface while lldpd is running (Vincent Bernat) - [9efee5dd7821] linux: make ethtool stuff run as root again (Vincent Bernat) - [b60ad45dab8b] lib: add more MAU types (Vincent Bernat) - [38cbcf2b55d3] linux: add support for ethtool GLINKSETTINGS (Vincent Bernat) - [7aa98f1172d8] seccomp: add more syscall (sendmmsg and recvfrom) (Vincent Bernat) - [f71281499af1] Merge pull request #213 from chutz/add-mprotect-to-seccomp-whitelist (Vincent Bernat) - [cc74ca8d4b03] seccomp: add mprotect to seccomp whitelist (Patrick McLean) - [f729e8854ec0] tests: more fix for pcap test (Vincent Bernat) - [9e6b5cf22f49] tests: fix previous commit by making LLDP-MED part optional (Vincent Bernat) - [2063390b5c65] tests: use a PCAP file to do some integration tests (Vincent Bernat) - [23ce0513e1bd] med: fix parsing of LLDP-MED LCI when TLV size exceeds addr size (Vincent Bernat) - [0b8a576fce79] linux: comment out part of ethtool.h (Vincent Bernat) - [da790d3bc7cb] github: shows a tcpdump output (Vincent Bernat) - [9c03da7a2386] linux: pull up-to-date ethtool.h (Vincent Bernat) - [f3f1e6a2a302] client: fix extra warning about misleading identation (Vincent Bernat) - [359767d72739] github: provide an issue template (Vincent Bernat) - [20edc61c7dfe] client: add an option to use pre-0.9.2 json-c format (Vincent Bernat) - [4e8db3cc7b91] travis: enable gold linker when NOT on OSX (Vincent Bernat) - [c0e225c07b80] travis: disable gold linker with OSX (Vincent Bernat) - [6a6c7bd99acc] travis: display config.log when configure fails (Vincent Bernat) - [e938e58173d6] release: prepare 0.9.5 for OSX (Vincent Bernat) - [3cf46664b0b7] redhat: add LICENSE file to manifest (Vincent Bernat) 0.9.5 [2016-09-30 20:17:08 +0200]: - [396961a038a3] release: prepare 0.9.5 release (Vincent Bernat) - [f144d837d6ab] event: correctly free event base (Vincent Bernat) - [e47140de546f] daemon: don't invoke lldpcli after dropping privileges (Vincent Bernat) - [db3beffd9c9d] valgrind: more suppressions for lldpd (Vincent Bernat) - [fdcf78fb140d] daemon: make the message about going into background more apparent (Vincent Bernat) - [a14e6dca66ae] daemon: better drop privileges earlier (Vincent Bernat) - [bc0dc45598d9] daemon: invoke lldpcli after dropping privileges (Vincent Bernat) - [06d83d0fb35c] daemon: wait a bit later to daemonize (Vincent Bernat) - [2a071643f245] tests: add an __init__.py file to turn fixtures into a proper module (Vincent Bernat) - [762419b647fb] event: remove some one-time memory leaks (Vincent Bernat) - [4d534a60ee33] doc: add a license file (Vincent Bernat) - [f94e8379a39b] travis: try to workaround "unrecognized option '--push-state'" (Vincent Bernat) - [03d178b6faf9] lldp: only enable LLDP-MED capibility TLV if we have that capability (Vincent Bernat) - [75884793c1cc] Merge pull request #198 from The-42/fix-segfaults (Vincent Bernat) - [825b37a76f1e] lib/atoms/port: fix segfaults with minimal information (Bert van Hall) - [05a708dc86ef] lldpd: fix kernel version check (Vincent Bernat) - [e940004964e2] lldpcli: specify that custom TLV bytes are in hex format (Vincent Bernat) - [11c1b6a2ffb3] build: test if libbsd is really usable (Vincent Bernat) - [a92e6f013a9c] doc: document the change about ethtool info grabbed without the monitor (Vincent Bernat) - [56414594cc21] build: ensure clang won't complain about documentation of linux headers (Vincent Bernat) - [4c98fe72dcd8] priv: don't use monitor for ethtool except for old kernels (Vincent Bernat) - [2fb135c8c5d7] interface: use 10GBASE-CX4 for copper (Vincent Bernat) - [3760ac537c63] interface: more media for *BSD (Vincent Bernat) - [a97e3dfe2cdf] lldp: update RFC3636 to RFC4836 (Vincent Bernat) - [34c87bbd8747] include: update linux/ethtool.h to 4.7 (Vincent Bernat) - [0b7f8847b9a1] priv: don't use ethtool to get real MAC (Vincent Bernat) - [2f6443386b64] priv: document functions that should not use the monitor process (Vincent Bernat) - [340f159cb5e6] NEWS: add an entry for 106aa50d (Vincent Bernat) - [5ecdbc5318a3] Revert "lldp: skip empty LLDP-MED inventory TLV instead" (Vincent Bernat) - [aa357d2b6b54] lldp: skip empty LLDP-MED inventory TLV instead (Vincent Bernat) - [d5c6300f77ff] travis: fix issue with Travis and libtool (Vincent Bernat) - [57231d32e5e2] build: provide a better date format when using SOURCE_DATE_EPOCH (Vincent Bernat) - [3166f616161f] client: flush output after each block (Vincent Bernat) - [bdc8f796579f] build: ensure typeof is correctly defined (Vincent Bernat) - [106aa50d4e5b] build: make generation of atom-glue compatible with older gcc versions (Vincent Bernat) - [af3bf264d236] release: prepare 0.9.4 for OSX (Vincent Bernat) 0.9.4 [2016-06-17 19:19:18 +0200]: - [7522a4f08e7b] release: prepare 0.9.4 release (Vincent Bernat) - [9970bcf857b3] osx: update lldpd to 0.9.3 (Vincent Bernat) - [d3b81cc5dba3] doc: document latest commit (Vincent Bernat) - [1eadc9a1d5ec] lldp: add ability to control propagation of LLDPDU (Vincent Bernat) - [9122b2c9b1b2] lldpcli: fix watch return code (Vincent Bernat) - [21f243c76059] lldpcli: fix memory leak with use of readline (Vincent Bernat) - [45369c0ac4e1] interfaces: blacklist cdc_mbim (Vincent Bernat) - [fe64f8e56feb] lldpcli: add a test for return code (Vincent Bernat) - [6835f3342583] lldpcli: ensure we exit with an error on incorrect commands (Vincent Bernat) - [6934b73da82c] lldpcli: fix manual page for port status (Vincent Bernat) - [8fe53e87b6d6] tests: remove useless variable (Vincent Bernat) - [4bf902e9c55c] build: fix build issue introduced in previous commit (Vincent Bernat) - [e8ffca58d84d] build: don't rely on GNU make $^ automatic variable (Vincent Bernat) - [af21a0e1074d] bsd: fix use of ifmediareq for OpenBSD (Vincent Bernat) - [cdc32f2cb989] cdp: don't use comma expression and ternary operator (Vincent Bernat) - [408c3e025c47] event: fix formating of time_t (Vincent Bernat) - [b921abc2db4e] build: unsilent silent rules when running with V=1 (Vincent Bernat) - [a98ed042b48e] lldp: accept LLDP frames sent through S-VLAN/C-VLAN bridges (Vincent Bernat) - [49e5981d96e7] Merge pull request #184 from chutz/add-fcntl-and-getsockname-to-seccomp-whitelist (Vincent Bernat) - [e15216c74d92] seccomp: add fcntl and getsockname to seccomp whitelist (Patrick McLean) - [4262ca0c9995] build: display if instrumentation and code coverage are enabled (Vincent Bernat) - [28d521e211bb] build: add a configure option to enable gcov (Vincent Bernat) - [e1717397eb15] interfaces: fix setting of local value for port ID (Vincent Bernat) - [76bae8b9847d] doc: explain how to get coverage reports (Vincent Bernat) - [7a73629e08be] tests: fix SONMP test whose result depends on indexes (Vincent Bernat) - [35cc2de4763b] lldpcli: display chassis TTL (Vincent Bernat) - [34ee9ebb4c6e] lib: allow retrieval of chassis TTL (Vincent Bernat) - [7830ff30352d] lldpcli: remove unused variable in display_custom_tlvs() (Vincent Bernat) - [877f7db822fd] lldpcli: display "Unknown TLVs" with a space (Vincent Bernat) - [7b6cbfe2605f] daemon: add a `-p` option to specify PID file (Vincent Bernat) - [8bc7a565d8db] privsep: split privsep_io.c in 3 files (Vincent Bernat) - [bd6e31eafa8e] debian: update debian/copyright (Vincent Bernat) - [aceb244f2ab9] compat: ensure ranlib is happy on OSX by providing one symbol (Vincent Bernat) 0.9.3 [2016-05-21 12:25:03 +0200]: - [0517bd3bdd56] debian/redhat: prepare 0.9.3 (Vincent Bernat) - [5b13beee1cb9] tests: fix `lldpcli watch` XML test (Vincent Bernat) - [d12b1391a295] tests: add test of `lldpcli watch` (Vincent Bernat) - [a7c549493dca] client: add a way to limit the number of events received by "watch" (Vincent Bernat) - [5842988f320c] lib: remove unused variable (Vincent Bernat) - [8a378b1638d3] compat: use strtonum instead of atoi (Vincent Bernat) - [2958b9d48940] interfaces/linux: make veth special (Vincent Bernat) - [8027d9076489] netlink: don't complain of removal of inexistant IPv6 addresses (Vincent Bernat) - [c7f0317fcdf2] client: fix spurious warning in XML writer (Vincent Bernat) - [a25730a2638a] client: fix memory leak introduced n XML writer (Vincent Bernat) - [83297e97be8e] client: remove memory leak introduced in JSON writers (Vincent Bernat) - [69d4aed59e54] doc: add an entry in NEWS for last two commits (Vincent Bernat) - [b8dec1b4eeee] client: flush XML object once we have one (Vincent Bernat) - [03c0c1d908bb] client: flush JSON object once it's done (Vincent Bernat) - [a2e71d093456] travis: test json-c support in lldpcli as well (Vincent Bernat) - [d3ee4b6213b8] travis: no need for --with-{json,xml} (Vincent Bernat) - [d90db09b162f] log: update manual page to reflect the situation (Vincent Bernat) - [ae8e632a4610] log: make a copy of va when logging to both stderr and syslog (Vincent Bernat) - [5aae2522cc51] log: don't fallback to stderr for out-of-memory situation (Vincent Bernat) - [b5463687985b] log: always log to stderr (Vincent Bernat) - [ff0dde0e5c7e] daemon: tell user to create user/group when missing (Vincent Bernat) - [ba54dbd01253] daemon: give the name of the control socket (Vincent Bernat) - [b562f01fe4fd] interfaces: ensure we don't break strict aliasing rule (Vincent Bernat) - [2d3ca7ee1009] Merge pull request #177 from jonasj76/fix-apparmor-build (Vincent Bernat) - [2b70dd95e88e] build: fix AppArmor "no" (default) option in configure script (Jonas Johansson) - [448e9f76d884] tests: do not compile tests/decode unless running tests (Vincent Bernat) - [70e6353d41f8] Merge pull request #174 from jonasj76/fix_discard_uint32 (Vincent Bernat) - [a8d8006c06d9] Fix size of PEEK_DISCARD_UINT32() (Jonas Johansson) - [032c0cf491f4] doc: mention Windows agent "WinLLDPService" (Vincent Bernat) - [d609ad1bfb2f] lldpcli: remove bogus pasting error from manual page (Vincent Bernat) - [6fe4c1d27acb] debian: do not remove _lldpd user (Vincent Bernat) - [f06b06acdb84] travis: install libseccomp-dev as well (Vincent Bernat) - [3f4c0a5fea6f] seccomp: fix a compilation warning with respect to uninitialized seccomp (Vincent Bernat) - [99eb22eb5b76] travis: also test with seccomp enabled (Vincent Bernat) - [54688af94b47] build: don't include merges into changelog (Vincent Bernat) - [da957637a5d0] travis: check we can build static lldpcli (Vincent Bernat) - [e320a274c723] build: silence libtool warning about using cru (Vincent Bernat) - [e3783368c232] lib: use C preprocessor to build list of init functions (Vincent Bernat) - [2c18cfb81fe9] lib: don't rely on atom-glue.h (Vincent Bernat) - [812d9e259b31] build: ensure atom-glue.h is built first (Vincent Bernat) - [d954509eb76a] lib: don't rely on constructors (Vincent Bernat) - [0c0b0c354497] lldpd: don't log error string for missing _lldpd user (Vincent Bernat) - [ae3165af8a52] tests/integration: only spawn a receive-only lldpd in first namespace (Vincent Bernat) - [f9582ad5e69d] osx: update HomeBrew recipe for 0.9.2 (Vincent Bernat) - [4f82131faaef] travis: remove coverity stuff (Vincent Bernat) - [a2187c1ea885] travis: message to explain why we don't continue w/ coverity stuff (Vincent Bernat) - [bd36a4d30773] daemon: append a dot after process title (Vincent Bernat) - [0cddb489d298] lib: more typo in strings (Vincent Bernat) - [44fb35878ac4] client: more typo in log messages (Vincent Bernat) - [b1118c26173a] client: fix a typo in manual page (Vincent Bernat) 0.9.2 [2016-03-19 13:00:38 +0100]: - [11c5322cdce7] debian/redhat: prepare 0.9.2 (Vincent Bernat) - [809498b5f86f] client: fix memory leak when modifying port-related settings (Vincent Bernat) - [2315d097123e] build: enable undefined sanitizer (Vincent Bernat) - [d609cc13dc5e] travis: only enable sanitizers on Linux (Vincent Bernat) - [4af75e556bac] tests/integration: sleep a bit more (Vincent Bernat) - [36d3582e64d7] travis: retry non-parallel tests on failure (Vincent Bernat) - [dc37bc8d4d89] build: let configure tell us if we have address sanitizer (Vincent Bernat) - [4f9d887aa0bb] travis: use gcc-5 if possible (Vincent Bernat) - [dcfe5f04396a] client: fix a memory leak in kv writer (Vincent Bernat) - [1a0315f849b5] tests/integration: make use of libtool to execute lldpd/lldpcli (Vincent Bernat) - [3046da4bab1b] tests/integration: mount /proc in namespaces (Vincent Bernat) - [87f484516d95] lldpcli: silence expected memory leaks (Vincent Bernat) - [a07217394c4a] fixedpoint: fix buffer overflow in fixed point computations (Vincent Bernat) - [9997f8e4d905] tests: don't check for leaks in fixed point tests (Vincent Bernat) - [2d05a444ddb7] tests: correctly encode civic address for SNMP tests (Vincent Bernat) - [b55bba2fc185] tests: disable leak sanitizer for unittests (Vincent Bernat) - [abced782d196] travis: enable address sanitizer (Vincent Bernat) - [33fd6231767b] build: add an option to enable sanitizers (Vincent Bernat) - [457d06aa1be6] build: display compiler version info after configure (Vincent Bernat) - [f94522181000] tests/integration: when several neighbors, be safe and sleep a lot (Vincent Bernat) - [06494775ec9a] travis: use a separate test for oldies (Vincent Bernat) - [aceb61b40c10] tests/integration: down then up with vlan require dot1 support (Vincent Bernat) - [62f9ab5ed98b] travis: run integration tests on Linux (Vincent Bernat) - [ab8db0c0afe8] tests/integration: sleep more after anything that create an interface (Vincent Bernat) - [fe7e202d287f] tests/integration: wait more when down/up interface (Vincent Bernat) - [dd0d1674d355] tests/integration: reduce the number of emulated neighbor (Vincent Bernat) - [8af0aa5ba83e] tests/integration: fix _lldpd group creation (Vincent Bernat) - [916374bf9e71] tests/integration: use ctypes for mount instead of util-linux (Vincent Bernat) - [8bb212d9c597] travis: move install/run steps into tests/ci (Vincent Bernat) - [2c8324574ea1] tests: report complete Linux version as well (Vincent Bernat) - [e0a847787ed0] tests: replace integration test by py.test+namespace tests (Vincent Bernat) - [c960236b8c93] build: ensure "make distcheck" work for any value of sysconfdir (Vincent Bernat) - [c8b8b858bbba] lldpcli: fix output with json-c to be the same as with jansson (Vincent Bernat) - [636aa62085cb] lldpcli: acknowledge memory leak in another map conversion (Vincent Bernat) - [2fdba99cb9cb] doc: document last commit in NEWS (Vincent Bernat) - [32945d6a96ec] interfaces: handle correctly operation conversation of a port (Vincent Bernat) - [0da01fd667f0] interfaces: replace "bonded" by "enslaved" (Vincent Bernat) - [d2e6f750fa13] netlink: ensure lower link doesn't change for an interface (Vincent Bernat) - [f7a5089bcbce] interfaces: issue a warning if we get a loop (Vincent Bernat) - [e7e6676e0587] interfaces: limit the maximum search depth when applying a VLAN (Vincent Bernat) - [92a6d7f99331] custom: fix a capitalization error in man page (Vincent Bernat) - [e1b2389b6b61] include: fix definition of IFLA_RTA to please clang (Vincent Bernat) - [c04fafa76c3d] netlink: don't consider a lower interface when in another namespace (Vincent Bernat) - [8755512e8b52] lldpcli: with key/value display, remove any newline (Vincent Bernat) - [60ad2804d138] lldpcli: fix display of LLDP-MED POE TLV (Vincent Bernat) - [1f8742dd2ee3] lldpcli: display LLDP-MED caps like LLDP caps (Vincent Bernat) - [b94881243f51] solaris: remove unused headers (Vincent Bernat) - [206c11665dca] version: display configuration directory as well (Vincent Bernat) - [efa6a7a380e7] version: display more build information when using "-vv" (Vincent Bernat) - [4d99c9cf8c22] doc: document PR #163 in NEWS (Vincent Bernat) - [d0497751c2a0] Merge pull request #163 from kanrajag/feature/enhance-customtlv (Vincent Bernat) - [7c26c8b4e44e] enhance custom tlv with add/replace commands allow for specific custom tlv to be deleted (kanna) - [e32a4af34068] osx: update Homebrew formula to 0.9.1 (Vincent Bernat) - [61ae835385f8] osx: reduce differences with official homebrew formula (Vincent Bernat) - [2d52771d97a8] osx: ensure _lldpd user is hidden (Vincent Bernat) - [3e58164050ec] build: keep user-specified CFLAGS (Vincent Bernat) - [6b7d841c445e] osx: explain how to compile for older versions with recent SDK (Vincent Bernat) - [0e6b25078967] redhat: don't try to guess systemd unit directory (Vincent Bernat) - [6f2ced066f30] redhat: enable some CFLAGS (Vincent Bernat) - [5a9da534066c] redhat: make systemd stuff also works with SuSE (Vincent Bernat) - [d788766d6f2d] redhat: fix parentheses on conditions (Vincent Bernat) 0.9.1 [2016-02-20 17:45:59 +0100]: - [37ca8e1a0963] debian/redhat: prepare 0.9.1 (Vincent Bernat) - [644cd42d7431] netlink: log error code when unable to receive netlink (Vincent Bernat) - [522acf332bab] netlink: add an entry in NEWS for previous commit (Vincent Bernat) - [c4a2a1a14cff] Merge pull request #161 from 6WIND/fix-large-netlink-messages (Vincent Bernat) - [85b72fe050ab] netlink: fix reception of large netlink messages (David Morel) - [48eaeeb77b9e] interfaces: when no alias available, use interface name (Vincent Bernat) - [df2fb7a193d0] travis: disable integration tests (Vincent Bernat) - [86dc17960d9c] travis: enable travis to access kernel file (Vincent Bernat) - [8d25f699cef9] travis: don't run distcheck on integration tests (Vincent Bernat) - [bf87ba82ca76] travis: order environment variables to be easier to read (Vincent Bernat) - [652d72dd5a71] doc: add an entry about netlink-related fixes (Vincent Bernat) - [c596139ce0e0] travis: compatibility with Ubuntu Precise (Vincent Bernat) - [8d83f11956c4] travis: try to run integration tests on travis (Vincent Bernat) - [a403df6662cd] interfaces: fix alias handling (Vincent Bernat) - [03fc915d8f96] tests: speed up integration tests by sleeping less (Vincent Bernat) - [58e30b5a3f61] netlink: merge old attributes with new ones (Vincent Bernat) - [1884258d145e] tests: use generated libtool (Vincent Bernat) - [1e860d82efae] tests: require presence of "ip" and "brctl" (Vincent Bernat) - [a9bec94dbb42] tests: execute rtmon to keep a trace of netlink messages (Vincent Bernat) - [583c9a260e59] tests: rework integration tests to not rely on tmux (Vincent Bernat) - [180152fd35f1] travis: also try to build OSX package (Vincent Bernat) - [87bb9a1b95a0] osx: workaround issues with SIP on El Capitan (Vincent Bernat) - [737afb3517d8] osx: simplify build (Vincent Bernat) - [b9d81025ca8c] doc: replace "Mac OS X" by "OS X" (Vincent Bernat) - [cbe8bbd6b60f] build: only test libbsd linking if we have found it (Vincent Bernat) - [96d5697ed2bf] lib: only define ntohll if not already defined (Vincent Bernat) - [a2eb343ea295] interfaces/linux: remove interface blacklisting (Vincent Bernat) - [b8db52bd7c7d] interfaces/linux: blacklist some drivers instead of whitelisting (Vincent Bernat) - [9e78f3a69b93] interfaces/linux: don't check transmit queue size (Vincent Bernat) - [efc68c65fcd3] man: fix a spelling error in manual page (Vincent Bernat) - [a769e9cbf9a2] client: fix code style (Vincent Bernat) - [4c8a895b4e20] client: ensure JSON is written to the provided file handle (Vincent Bernat) - [9cff0cc82aae] client: ensure XML is written to the provided file handle (Vincent Bernat) - [b5a71b24510a] doc: fix NEWS file about netlink change (Vincent Bernat) - [3c5634c14836] lib: rework a bit documentation around reference counting (Vincent Bernat) 0.9.0 [2016-01-10 13:34:32 +0100]: - [8cd1f2d07e04] build: add some integration tests (Vincent Bernat) - [66b14ca24866] build: don't use libbsd if we can't link it (Vincent Bernat) - [100266c1e2ef] netlink: handle veth loops correctly (Vincent Bernat) - [aafa99bd3176] lldpd: fix change detection (Vincent Bernat) - [4ab5a8c29970] debian/redhat: prepare 0.9.0 (Vincent Bernat) - [9ddca80c4feb] travis: don't require libnl-3-dev (Vincent Bernat) - [0fa2254b4416] netlink: remove use of libnl3 (Vincent Bernat) - [24cb96840ac5] lldpd: cleanup local chassis on exit (Vincent Bernat) - [9c93725ffe89] lldpd: cleanup default local port on exit (Vincent Bernat) - [3744168ca01d] event: unallocate interface timer event on exit (Vincent Bernat) - [dff59172ab55] client: don't do arithmetics with void* (Vincent Bernat) - [59b4cc6d4d3f] doc: no 0.8.0 release planned (Vincent Bernat) 0.8.0 [2015-12-29 09:41:40 +0100]: - [a094d3bc4283] client: fix segfault when displaying some information (Vincent Bernat) - [5828882917f6] client: gracefully handle NULL data in writers (Vincent Bernat) - [460b6c829cfd] client: remove incomplete commented examples (Vincent Bernat) - [33f787ebb1ed] osx: move /var/run/lldpd creation in postinstall (Vincent Bernat) - [448796a1fcfb] build: don't check for pkg-config several times (Vincent Bernat) - [60c6b6cbb20d] osx: ensure creation of var/run/lldpd (Vincent Bernat) - [1eb493a3efc9] osx: reduce distance with official HomeBrew formula (Vincent Bernat) - [8b8b97ac8675] osx: update Homebrew formula (Vincent Bernat) - [17964bcda65b] libnl: update to 3.2.27 (Vincent Bernat) - [cd66d751fd3e] redhat: add a note about the spec file being tied to OBS (Vincent Bernat) - [279bfd63dc44] redhat: don't use %elseif (Vincent Bernat) - [b7ee294e46d8] redhat: drop support for RHEL 4 (Vincent Bernat) - [4e82e0bc31a8] build: prepare for release (Vincent Bernat) - [96a5a328861c] build: .git can be a file (worktree) (Vincent Bernat) - [0a26b53d7282] build: check for configure before trying to configure a subproject (Vincent Bernat) - [17c10baffdde] build: don't do a submodule update if not a git checkout (Vincent Bernat) - [5ed4156c02b0] client: avoid -Waddress warning by comparing to NULL (Vincent Bernat) - [c56e4067b90c] client: update LLDP-MED policy L2 priority values to match 802.1Q-2005 (Vincent Bernat) - [5b12cbacc4de] client: display numeric PCP (Vincent Bernat) - [d65fcb90da1c] build: bison and flex are needed to configure libnl3 (Vincent Bernat) - [f587dfff2d8c] build: let AC_SEARCH_LIBS modify LIBS (Vincent Bernat) - [b037b93d3a6b] travis: enable PIE (Vincent Bernat) - [a8add7421e67] build: don't enable PIE by default (Vincent Bernat) - [e620ba6baf0c] build: don't use getopt from libbsd (Vincent Bernat) - [e01aeb55e772] build: make use of libbsd work even if a user override CFLAGS (Vincent Bernat) - [af828c473244] compat: use getline() instead of fgetln() (Vincent Bernat) - [47bbc5f3743c] build: use libbsd overlay (Vincent Bernat) - [1a3ec37313fe] interfaces: use /proc/net/bonding as primary method (Vincent Bernat) - [01293dc402eb] interfaces: fallback to old method to get original MAC on bond (Vincent Bernat) - [5ac66d33585b] interfaces: handle the case where the provided MAC address is incorrect (Vincent Bernat) - [d535fe053e0d] interfaces: query permanent MAC address through ethtool (Vincent Bernat) - [e7f83dc0ab53] lldpmed: fix numeric values for L2 priority (Vincent Bernat) - [9856f2792c30] log: rework the way -d work (Vincent Bernat) - [25a6e97c58af] osx: also use /sbin/nologin as default shell (Vincent Bernat) - [14da0d3c30e9] redhat: use /sbin/nologin as a shell for lldpd (Vincent Bernat) - [2e35d6bd6f7d] debian: don't try to support older distributions (Vincent Bernat) - [7e2c7e63ca1b] debian: express minimal version needed for libnl3 (Vincent Bernat) - [fa12cb8f6464] redhat: use system libnl3 when possible (Vincent Bernat) - [3637cb7ab56d] redhat: use embedded libevent on older distributions (Vincent Bernat) - [f7ce4668b5bc] redhat: correctly handle SLES too (Vincent Bernat) - [2145c7cf97dd] debian/redhat: update packaging (Vincent Bernat) - [a1ea608537cb] debian: also requires libnl-route-3-dev as a dependency (Vincent Bernat) - [986bcc699578] build: allow an embedded subdir to be absent (Vincent Bernat) - [126970da3a89] event: check if timer is present before trying to activate it (Vincent Bernat) - [094f37c56cd5] build: ignore untracked files in submodule for version (Vincent Bernat) - [af95a1854d81] Merge pull request #142 from matsimon/master (Vincent Bernat) - [cc351810dc6b] Tiny typo in lldpd's manpage (Mathieu Simon) - [9b4807169b19] build: check runtime support of constructor/destructor (Vincent Bernat) - [19a5c9b64c8c] build: check for support for constructor/destructor function attributes (Vincent Bernat) - [c167357d4a1f] README: add a word about `--enable-oldies` (Vincent Bernat) - [f681619c685b] tests: add missing include for `read()` (Vincent Bernat) - [069acc41a58b] tests: fix SNMP tests (Vincent Bernat) - [9221b5c249f9] protocols: don't use assert on paths that can be reached (Vincent Bernat) - [ff75b38e6f04] lldp: fix small indentation issue (Vincent Bernat) - [8ef5bced66bb] NEWS: add entry for last commit (Vincent Bernat) - [dd4f16e7e816] lldp: fix a buffer overflow when handling management address TLV (Vincent Bernat) - [3ca100866133] tests: add instructions on how to use afl for fuzzing (Vincent Bernat) - [dedb1eb0dbb1] tests: add a simple program to test frame decoding (Vincent Bernat) - [5427983b48a8] lldpd: remove outdated comment about custom TLV (Vincent Bernat) - [30741f07ea53] debian: only enable systemd unit file on system recent enough (Vincent Bernat) - [ce734002baa0] interfaces: remove spurious #ifdef directive (Vincent Bernat) - [31c9173ac0c0] interfaces: remove old bridge code (Vincent Bernat) - [ff6ed009bed2] Merge pull request #138 from commodo/copy-paste-fix (Vincent Bernat) - [ad05be32d4c6] client: fix copy+paste for some vars (Alexandru Ardelean) - [d8f8572ea372] debian: on old Debian releases, enable "oldies" (Vincent Bernat) - [aedb840fbc8c] doc: add a NEWS entry for latest commit (Vincent Bernat) - [2472bfdaf3b3] lldpd: add a warning if the kernel seems to be too old (Vincent Bernat) - [780e843d03a3] redhat: on RHEL 6, enable oldies support (Vincent Bernat) - [d9fdc886711b] build: declare kernels before 2.6.39 "too old" (Vincent Bernat) - [0d19619a0075] cdp: fix log message spelling (Vincent Bernat) - [6cefe733346b] redhat: for RHEL 7 and CentOS 7, install systemd unit file (Vincent Bernat) - [e9b22e1e5e80] build: fool autoreconf to do a recursive reconfiguration (Vincent Bernat) - [8e89804d0d91] release: 0.7.17 released (Vincent Bernat) - [8b58789d5742] build: .git may be a file (Vincent Bernat) - [5472ac186050] build: tell seccomp is experimental (Vincent Bernat) - [da8ce9e8b7ca] apparmor: fix profile so that it works on Ubuntu 15.04 (Vincent Bernat) - [cd7ee899dddd] apparmor: provide an apparmor profile (Vincent Bernat) - [7f88f8cffbef] priv: no need to access bridge files unless "oldies" (Vincent Bernat) - [b2715249e954] lib: map_reverse_lookup needs to be always available (Vincent Bernat) - [e7331ce92fcd] Ability to enable/disable RX/TX individually on each port (Vincent Bernat) - [b3dd61afd50e] lldpcli: fix per-port occurrences of "conf lldp" (Vincent Bernat) - [196757ce7238] lldpd: ensure retransmit is triggered when a port goes up (Vincent Bernat) - [c31f0d8ad925] lldpd: fix a memory leak in the way interfaces were cloned (Vincent Bernat) - [7f0877f05daa] interfaces: clean neighbors if an interface goes down (Vincent Bernat) - [36080cdcb7ba] interfaces: don't discard down interfaces (Vincent Bernat) - [4e15b7d1cc9a] lib/atom: only allow custom TLV modification for local ports (Vincent Bernat) - [9da663f7810c] Add a default local port as a template for any future local port. (Vincent Bernat) - [84a3104b9914] client: factor port modification in a dedicated function (Vincent Bernat) - [2e043f723c1a] marshal: add a macro to repair TQ lists (Vincent Bernat) - [b52ec8a069a5] NEWS: add some entries for 0.7.17 (Vincent Bernat) - [bccc2f40b220] lldpcli: display a warning when a configuration file is not found (Vincent Bernat) - [5409dfa2aaa8] netlink: make error message more explicit (Vincent Bernat) - [59c32cf0a464] snmp: make use of newer snmp_select_info2() function (Vincent Bernat) - [e8c8d15b113d] interfaces: fix incomplete declaration of interfaces_cleanup (Vincent Bernat) - [02c91f0af696] build: ignore libnl documentation errors (Vincent Bernat) - [1a60bb776cd9] build: fix test building with libnl dependency (Vincent Bernat) - [d1a554551f76] build: better find system libnl3 (Vincent Bernat) - [4a0791a4ff78] build: don't limit dist tarball files to 99 characters (Vincent Bernat) - [b288a7f42d09] build: don't forget to ship libnl directory too (Vincent Bernat) - [674403b4b8bc] build: ensure we can build libnl with -Wall -Werror (Vincent Bernat) - [b39c0209397b] build: only test for libnl on Linux (Vincent Bernat) - [70b184c93fdf] travis: install libnl-3-dev (Vincent Bernat) - [7d0a497539e3] netlink: workaround veth being peered together through IFLA_LINK (Vincent Bernat) - [13181ede3ff5] netlink: use libnl3 instead of custom netlink code (Vincent Bernat) 0.7.19 [2015-10-17 19:15:03 +0200]: - [bd61bdd5b847] release: 0.7.19 released (Vincent Bernat) - [30b2f598f590] osx: update HomeBrew recipe (Vincent Bernat) - [793526f88844] protocols: don't use assert on paths that can be reached (Vincent Bernat) - [479c1a61ffc6] NEWS: add entry for last commit (Vincent Bernat) - [3779e6ccb352] lldp: fix a buffer overflow when handling management address TLV (Vincent Bernat) 0.7.18 [2015-09-25 11:21:38 +0200]: - [61de81902b85] release: 0.7.18 released (Vincent Bernat) - [9df0eebfaacb] interfaces: restore bridge and bond detection without netlink (Vincent Bernat) - [5242194ffb80] interfaces: remove old bridge code (Vincent Bernat) - [b41cea300e52] build: fool autoreconf to do a recursive reconfiguration (Vincent Bernat) - [fcab3095a393] release: 0.7.17 released (Vincent Bernat) 0.7.17 [2015-09-09 17:06:34 +0200]: - [fb700b0966c9] build: .git may be a file (Vincent Bernat) - [2f23ece4985c] NEWS: add some entries for 0.7.17 (Vincent Bernat) - [b4f78b30b0b3] lldpcli: display a warning when a configuration file is not found (Vincent Bernat) - [d988ce0ccf6d] netlink: workaround veth being peered together through IFLA_LINK (Vincent Bernat) - [948c19d0eeb2] build: add a marker at the end of third-party configure (Vincent Bernat) - [696f7f6fe839] build: make --with-embedded-libevent a tri-state switch (Vincent Bernat) - [f8688c96fb31] build: don't let autoreconf rely on AC_CONFIG_SUBDIRS macro (Vincent Bernat) - [8e8d9a270b31] build: automatically reuse regular configure args for distcheck (Vincent Bernat) - [a069490369d0] build: run ./configure for libevent even when not needed (Vincent Bernat) - [848cc66197c2] build: only enable silent rules if they are not disabled (Vincent Bernat) - [3940008c5fce] build: replace AC_CONFIG_SUBDIRS with custom version (Vincent Bernat) - [96beef68762f] cdp: compute default platform when updating the chassis (Vincent Bernat) - [fc37317f7cd2] cdp: make the default platform name really the kernel name (Baptiste Daroussin) - [4f6ba6c38fb3] build: propagate appropriate build flags in src/compat (Vincent Bernat) - [58920eb1532f] osx: remove unneeded patch for launchd (Vincent Bernat) - [f363bce70a09] osx: fix configure command line in Homebrew (Vincent Bernat) - [6bf87f4dec03] osx: restore use of _lldpd/_lldpd user/group in Homebrew (Vincent Bernat) - [c65f44ec7a69] osx: synchronize a bit with official HomeBrew formula (Vincent Bernat) - [db04d99f0bff] README: incorrect instructions for OS X (Vincent Bernat) - [a7125859f001] debian: update symbol versioning (Vincent Bernat) - [2b00cbf9d548] client: parse options only once (Vincent Bernat) - [506526477e8b] client: make lldpctl also accepts `-u` flag (Vincent Bernat) - [839d72d04429] Merge pull request #128 from baloo/patch-1 (Vincent Bernat) - [3bd5a8780ca8] Typo in README.md (Arthur Gautier) - [6845388d7656] debian: don't complain about too recent Standards-Version (Vincent Bernat) - [e410dec40f82] debian: add a lintian override for debian-revision-should-not-be-zero (Vincent Bernat) - [5d81ecdd370f] redhat: on RHEL 5, use --enable-oldies (Vincent Bernat) - [62f5cd089705] travis: also test when oldies are enabled (Vincent Bernat) - [689ed13125cf] travis: don't add too many alternatives in configure (Vincent Bernat) 0.7.16 [2015-08-07 11:13:19 +0200]: - [96a1dec9d105] release: prepare 0.7.16 (Vincent Bernat) - [451b0c3cf913] lib: accept "language" as a valid MED location type (Vincent Bernat) - [f98e566652dc] lldpd: add version string to "starting" log entry (Vincent Bernat) - [feaf2dcef50f] Merge pull request #126 from idryzhov/master (Vincent Bernat) - [491ec12e419b] daemon: fix missing parenthesis (Igor Ryzhov) - [ca9e6733d198] Merge pull request #124 from commodo/rename-unconfig-custom-tlvs-cmd (Vincent Bernat) - [6f2909d9daae] lldpcli: rename "unconfigure lldp custom-tlvs" to "unconfigure lldp custom-tlv" (Alexandru Ardelean) - [a519a7e4a058] lldpcli: remove spurious space before port aggregation (Vincent Bernat) - [16eacc5bc262] netlink: use netlink to retrieve bridge/bond/vlan information (Vincent Bernat) - [78d54e08869a] build: add a note to remember why setproctitle may not work (Vincent Bernat) - [45eec1ff477f] doc: fix latest NEWS update (Vincent Bernat) - [fa2890879e74] lib: fix memory leak when handling MED location data (Vincent Bernat) - [88301db13d09] doc: add a NEWS entry for the chassis-related stuff (Vincent Bernat) - [3407e638d434] lldpcli: add "show chassis" command (Vincent Bernat) - [9439b9506e31] lldpcli: get chassis atom to query chassis-related information (Vincent Bernat) - [228d3af6fec9] Revert "lib: bump ABI" (Vincent Bernat) - [e55e74922166] lib: add compatibility layer with chassis-related information (Vincent Bernat) - [8ee9bc2cec66] lib: bump ABI (Vincent Bernat) - [99ef55d3e58e] lib: ability to get and query local chassis (Vincent Bernat) - [81291d63f9b1] build: fix URL to library versioning documentation (Vincent Bernat) - [3106c706e88d] lldpcli: move "conf sys bond-slave-src-mac-type" in man page (Vincent Bernat) - [d470c7d27f7b] Merge pull request #119 from kcgthb/master (Vincent Bernat) - [fae46e61aeb6] redhat: fix minor issues in .spec file (Kilian Cavalotti) - [d2a019346b67] build: fix help string for --enable-hardening for consistency (Vincent Bernat) - [e92d88427a7e] build: ship lldpctl.map in tarball (Vincent Bernat) - [f571f2db1c71] build: use symbol versioning for liblldpctl (Vincent Bernat) - [9aa511aa6d00] Merge pull request #115 from alagoutte/travis_container (Vincent Bernat) - [81ce9e66b487] Merge pull request #114 from alagoutte/clang (Vincent Bernat) - [652440823685] Don't use container-based Travis CI (Alexis La Goutte) - [09f0af1d8113] Add -Wheader-guard and -Wdocumentation to CFLAG (Use by Clang) (Alexis La Goutte) - [d7460a6f9180] Disable -Wdocumentation for some include using pragma (Alexis La Goutte) - [d8367e178b54] osx: tell the build fix will be here in 0.7.16. (Vincent Bernat) - [60da771a8035] osx/homebrew: use --without-json and --without-snmp to avoid autodetection (Vincent Bernat) - [10e74ca5172c] build: create parent directory before editing files (Vincent Bernat) - [d8f0544d7efe] osx: add appropriate dependency on pre/postinstall scripts (Vincent Bernat) - [10607bccaf7c] osx: ensure pre/postinstall scripts are created correctly (Vincent Bernat) - [2cbd5b62759b] osx: in README.md, add `--without-json` (Vincent Bernat) - [37345639d083] osx: ship *.in files with tarball (Vincent Bernat) - [98bf70e3d133] client: change location of bash completion (Vincent Bernat) - [8df9b4aa3782] fix parameter 'details/hidden' not found in the function declaration [-Wdocumentation] (Alexis La Goutte) - [b35cfd03d8c2] fix parameter 'lldpctl' not found in the function declaration [-Wdocumentation] (Alexis La Goutte) 0.7.15 [2015-05-21 08:45:55 +0200]: - [b6371c9f6664] lib: don't use priority with constructor (Vincent Bernat) - [441d53f9ae8e] redhat: don't build with JSON by default (Vincent Bernat) - [f42b82148976] build: only uses -pie when linking programs (Vincent Bernat) - [84942a4aeb58] build: when checking for additional flags, be fatal on errors (Vincent Bernat) - [1cce9f1a07c7] lldp: do appropriate cleanup when unable to allocate memory (Vincent Bernat) - [151ed0cd9708] travis: don't install libtool/autoconf/automake (Vincent Bernat) - [a53e59f264aa] tests: document the suppression file for valgrind (Vincent Bernat) - [3db3d0633eee] build: don't use -Wl,-pie (Vincent Bernat) - [2216fdf1ef0f] redhat: fix dates in .spec (Vincent Bernat) - [f4a0a3fc7b19] build: require json-c >= 0.10 (Vincent Bernat) - [36d72b11b57f] redhat: fix a typo in conditional JSON support (Vincent Bernat) - [5592bec999ab] redhat: provide a simpler buildroot (Vincent Bernat) - [b896513bc25e] release: prepare new version (Vincent Bernat) - [39a39abf7c9c] lldpcli: fix another memory leak when querying statistics (Vincent Bernat) - [d68bcbe9653a] lldpcli: fix a memory leak when querying custom TLVs (Vincent Bernat) - [74d82c9dfac6] build: rename valgrind suppression file to match the right tool (Vincent Bernat) - [38d74e8a04e1] ctl: don't use C99 designated initializer for structs to travel on a socket (Vincent Bernat) - [389ac8bd97cd] tests: provide a complete test file for lldpcli (Vincent Bernat) - [a6509ccc4ea6] lib: use ssize_t to store result from write() (Vincent Bernat) - [26498cf46f10] doc: fix example of "configure dot3 power" command (Vincent Bernat) - [120c071a0365] doc: fix example of "configure med location address" command (Vincent Bernat) - [4edc4960671f] doc: fix documentation of "configure lldp portidsubtype" (Vincent Bernat) - [a52e464f4582] tests: remove old reference to ifdump.txt (Vincent Bernat) - [24133f559158] doc: add an entry for setting custom TLV in lldpcli manual page (Vincent Bernat) - [d0e76b5f6e42] doc: add a NEWS entry for custom/unknown TLV (Vincent Bernat) - [11f906138450] Merge pull request #109 from commodo/add-custom-tlvs (Vincent Bernat) - [5666332755c8] build: compile libevent with -fPIC (Vincent Bernat) - [d24247edcbe2] build: try -Wl,-pie before trying -pie for clang (Vincent Bernat) - [1aa3748ca854] build: don't enable PIE when using embedded libevent (Vincent Bernat) - [c4edeadc8b08] build: also try to build a PIE when hardening is not disabled. (Vincent Bernat) - [8738a36d30e2] build: add a switch to disable hardening functions (Vincent Bernat) - [8caf43416452] lldpd: convert 'oui_info' member to dynamic array (Alexandru Ardelean) - [fb1b78bb7611] lldpd: make custom TLV code optional (Alexandru Ardelean) - [26331a26d551] client: display custom TLVs when lldpctl is called (Alexandru Ardelean) - [41cb778179b2] client: implement client interface for custom TLVs (Alexandru Ardelean) - [6cff1e665e72] daemon: implement client interface for custom TLVs (Alexandru Ardelean) - [c576fd21a416] lib: add custom TLV + list atom(s) (Alexandru Ardelean) - [cd5de7a2ea13] daemon: add basic custom TLV send & receive (Alexandru Ardelean) - [9c242613cd7b] daemon: reduce log_info() to log_debug() for unknown TLV types (Alexandru Ardelean) - [86f4c1ef8be4] lib: move lldpd-structs.h include into atom.h (Alexandru Ardelean) - [e7113d69b9cb] lib: add null check to lldpctl_atom_inc_ref() (Alexandru Ardelean) - [b1bebd3f2550] lldpd: move LLDP_TLV_ORG to lldp-const.h (Alexandru Ardelean) - [2389d2ccf7be] lib: enable ability to change log level on-the-fly (Vincent Bernat) - [082c03a94583] lldpcli: ensure we also display logs from liblldpctl (Vincent Bernat) - [c11e6765727b] tests: fix typo in SNMP checks with protocol identity (Vincent Bernat) - [63e52965607e] frame: change checksum function (Vincent Bernat) - [6d3c1ce032f8] tests: fix SNMP tests (Vincent Bernat) - [d99c23687985] tests: fix signed/unsigned discrepancy (Vincent Bernat) - [8d92800b8801] build: cleaner way to not alter CFLAGS/CPPFLAGS/LDFLAGS (Vincent Bernat) - [dd8c9fe3b168] build: enable JSON/XML support automatically by default (Vincent Bernat) - [3250e17b3649] redhat: enable JSON support if recent enough (Vincent Bernat) - [ec6a8dcffbc9] debian: enable JSON support (Vincent Bernat) - [fa9b12c57b7a] build: automatic detection of optional features (Vincent Bernat) - [3fa294062b97] client: only output supported formats (Vincent Bernat) - [a742670827b8] client: complain if the provided format is not supported (Vincent Bernat) - [bacc4a6ad3c4] client: fix a trivial typo (Vincent Bernat) - [e613fdaa7f8a] Merge pull request #106 from commodo/make-some-tlvs-optional (Vincent Bernat) - [e119d5ddf364] client: add some log_debug() messages (Alexandru Ardelean) - [1d7c86b56ce0] tests/check_lldp: add global config object for testing (Alexandru Ardelean) - [1c2217aa0df9] lldpd: make management addresses advertisement optional (Alexandru Ardelean) - [ca838758db3c] lldpd: make chassis capabilities advertisement optional (Alexandru Ardelean) - [8262175deca8] daemon/lldpd.c: free() cfg at end of main function (Alexandru Ardelean) - [7d67839872b3] daemon/protocols/lldp.c: do not send system capabilities if none available (Alexandru Ardelean) - [ef8140572e04] lib: don't define __constructor__ twice (Vincent Bernat) - [e8d465451a3b] Merge pull request #105 from commodo/cleanup (Vincent Bernat) - [9e2db64f1cce] daemon: move protocol files into subfolder (Alexandru Ardelean) - [4b2ee1a0a9de] lib/atom.c: move here remaining code from atom-private.c (Alexandru Ardelean) - [a5f987172cbe] lib/private.h: rename to atom.h (Alexandru Ardelean) - [94c9815776cc] lib/atom-private.c: break it into smaller modules (Alexandru Ardelean) - [9bec20443e7e] lib/atom-private.c: move 'struct atom-builder' to private.h (Alexandru Ardelean) - [84b41218830f] configure.ac: add 'subdir-objects' option (Alexandru Ardelean) 0.7.14 [2015-04-04 16:29:39 +0200]: - [8de206fdebc8] release: prepare 0.7.14 (Vincent Bernat) - [a8382e7f7aad] NEWS: add an entry to NEWS file for previous changes (Vincent Bernat) - [f9ddfae82e8c] lib: update revision info to reflect ABI update of latest changes (Vincent Bernat) - [8003e78962a6] lib: a change to port description is transmitted now (Vincent Bernat) - [bbd094f4952c] client: when receiving a port update, transmit it now (Vincent Bernat) - [332f8eea55d4] lldpcli: use "description" keyword when setting port description (Vincent Bernat) - [50a978dce0a1] lldpcli: document ability to change port id and description (Vincent Bernat) - [ec5a36012c23] lldpcli: ensure optional local port description cannot be repeated (Vincent Bernat) - [b3eba1789914] Merge pull request #101 from commodo/port_label2 (Vincent Bernat) - [abfea7d0be12] interfaces: management address is set to pattern on exact match (Vincent Bernat) - [c267d0f2ab4f] lldpd: add port description override via lldpcli (Alexandru Ardelean) - [8e46010cf12f] lldpd: implement basic support to override port IDs via lldpcli (Alexandru Ardelean) - [0979d1ba0a3b] .gitignore: ignore vim swap files (Alexandru Ardelean) - [81b171f47321] style: remove `if (...) free(...)` pattern (Vincent Bernat) - [4db5e8c68d9a] interfaces: don't test for NULL before `free` (Vincent Bernat) - [5683586ea1ef] priv: document improvement in crash handling in NEWS file (Vincent Bernat) - [55764ecb9c62] Revert "priv: on Linux, when monitor dies, kill child" (Vincent Bernat) - [a6128224ec0c] priv: use SOCK_STREAM for monitor communication (Vincent Bernat) - [c53540ffc8e6] priv: don't log anything when handling SIGCHLD (Vincent Bernat) - [004b5f944539] priv: ensure we write exactly what will be read (Vincent Bernat) - [9475dd4c835e] ctl: create control socket with close-on-exec semantic (Vincent Bernat) - [c642d8c7b9e4] priv: fallback to SOCK_DGRAM if SOCK_SEQPACKET not available (Vincent Bernat) - [10c20ba8877e] priv: use a SOCK_SEQPACKET for communication with monitor (Vincent Bernat) - [327b1d625c2d] priv: monitor the monitor process (Vincent Bernat) - [a87db231990a] log: add token to all `fatalx` instances (Vincent Bernat) - [4747e964096a] priv: on Linux, when monitor dies, kill child (Vincent Bernat) - [50efc5f74521] event: don't remember (in cfg) control socket event (Vincent Bernat) - [2bf63e5422e5] event: don't ignore SIGHUP twice (Vincent Bernat) - [bdefcdb99044] build: don't use `sort -V` (Vincent Bernat) - [eab6aa62d66d] check: add missing license headers to some files (Vincent Bernat) - [1e264e08effe] check: fix SNMP test format error (Vincent Bernat) - [a0cd2b9a3c68] check: more comparison with `ck_assert_ptr_eq()` (Vincent Bernat) - [7afbe16a637d] check: compare pointers with `ck_assert_ptr_eq()` (Vincent Bernat) - [47cd2807872a] check: enforce correct alignment during SNMP tests (Vincent Bernat) - [c2af3a9cbd02] travis: don't configure with CFLAGS=-Werror (Vincent Bernat) - [e6515ff5183d] configure: move LDFLAGS to LLDP_LDFLAGS (Vincent Bernat) - [d627ab691987] configure: move CFLAGS/CPPFLAGS to LLDP_CFLAGS/LLDP_CPPFLAGS (Vincent Bernat) - [a577598bb30b] configure: put cpp flags into CPPFLAGS instead of CFLAGS (Vincent Bernat) - [630cc035fd82] configure: enforce the use of C99 (Vincent Bernat) - [f215b5ec088b] Merge pull request #98 from baloo/features/document-lldp.d (Vincent Bernat) - [fb0921ed2f43] client: document lldp.d configuration directory (Arthur Gautier) - [63d2c3f8e547] interfaces: fallback to link local addresses for management (Vincent Bernat) - [4b67a7b2829f] interfaces: exclude IPv4 link local addresses from management addresses (Vincent Bernat) - [0c6a1966eead] interfaces: enforce redefinition of IN_IS_ADDR_* macros (Vincent Bernat) - [28bf40220840] priv: don't lookup for _lldpd when privsep is disabled (Vincent Bernat) - [aed91d90de68] lib: fix "unknwon" typo (Vincent Bernat) - [e7b282ce5ca7] lib: fix compilation error when Dot3 is disabled (Vincent Bernat) - [65e5293aeedf] priv: replace the use of `gethostbyname()` by `getaddrinfo()` (Vincent Bernat) - [1fa7d39f5b9d] priv: rename "gethostbyname" priv function to "gethostname" (Vincent Bernat) - [d162d7854659] build: use version sort for changelog (Vincent Bernat) - [ac07e7e4a038] NEWS: add an entry for the two previous commits (Vincent Bernat) - [78e82fcf01cc] lldp: fix boundary checks when decoding LLDP protocol identity (Vincent Bernat) - [feed548d366d] lldp: fix boundary checks when decoding LLDP management address (Vincent Bernat) - [17e55ef9b1b9] lldpcli: add "tagged" keyword to "configure med policy" (Vincent Bernat) - [319ca87dc14f] travis: use stable NetSNMP from Homebrew (Vincent Bernat) - [74da4061c4a9] libevent: enable silent rules by default (Vincent Bernat) - [dc93bcaf9314] libevent: update embedded copy to 2.0.22-stable (Vincent Bernat) - [efdd67188596] NEWS: add an entry for the two previous commits (Vincent Bernat) - [e770b7204bf8] lldp: send a shutdown LLDPDU on exit (Vincent Bernat) - [acb5f65b98b9] lldp: when MSAP changes, send a shutdown LLPDU (Vincent Bernat) - [b1785ed5254b] marshal: don't marshal previous port value (Vincent Bernat) - [9fb213a1b5ba] travis: don't compile embedded libevent + clang on OSX (Vincent Bernat) - [5d74a4ec5afa] travis: don't fail on unused functions (second try) (Vincent Bernat) - [8ef8a406fd03] travis: don't fail on unused functions (Vincent Bernat) - [286513f665cc] travis: don't allow any warning or error (Vincent Bernat) 0.7.13 [2014-12-30 14:11:49 +0100]: - [d9cf6428201b] version: prepare 0.7.13 release (Vincent Bernat) - [135ff0f7fabb] configure: let define pkg-config directory with `--with-pkgconfigdir` (Vincent Bernat) - [5a1f45863ed5] man: `-I` option and the like also affect sending (Vincent Bernat) - [a3cae2a7299f] lldp: fix display of unknown organizational ID (Vincent Bernat) - [17d341157926] lldpd: don't rely on a checksum to detect a port change (Vincent Bernat) - [28414fbdbefb] lldpd: use a macro to define offset of permanent port info (Vincent Bernat) - [da9c551a5511] NEWS: add an entry for the latest commit (Vincent Bernat) - [59ca5ddb80fe] lldpd: fix coding style in latest commit (Vincent Bernat) - [ea625620c6d6] Merge pull request #84 from IcyMetric/master (Vincent Bernat) - [1c1c519fd71e] Allow setting control socket on CLI (Robert Long) - [1f68881c2914] lldpd: decrease probability of collisions on port checksums (Vincent Bernat) - [e172ee7b999a] lldpd: decrease probability of collisions on port checksums (Vincent Bernat) - [24cce58cfc1b] lldpd: really ensure that port checksum can never be 0 (Vincent Bernat) - [280f28da5153] lldpd: fix timer initialization when checksum is 0 (Vincent Bernat) - [324d73a32c0a] marshal: ensure we correctly handle signed result from serialization (Vincent Bernat) - [21832029366d] xml: check that libxml-2 is really usable (Vincent Bernat) - [83d4b7761491] snmp: `agent_init()` won't modify AgentX string (Vincent Bernat) - [4bfe49e965c5] lib: silent a warning about uninitialized value (Vincent Bernat) - [fa1f3624463d] redhat: do not install the chroot (Vincent Bernat) - [724dfcbd3919] redhat: requires pkg-config to build devel package (Vincent Bernat) 0.7.12 [2014-11-22 20:54:19 +0100]: - [0882639dd155] release: prepare release of 0.7.12 (Vincent Bernat) - [acdb7107e764] lib: fix pkgconfig file substitutions (Vincent Bernat) - [63b4f1eede9e] client: fix "update" command (Vincent Bernat) - [20f10b8dd3a2] travis: travis comes with autotools and friends already installed (Vincent Bernat) - [2021a245926d] debian: update symbol versioning for incompatibility of `lldpctl_atom_set_str()` (Vincent Bernat) - [18f7b3dbcea1] lib: bump versioning (Vincent Bernat) - [ca8cfd460862] lib: make it safe to pass NULL to `lldpctl_atom_set_str()` (Vincent Bernat) - [28431faeeafc] lib: document the possibility of using NULL with `lldpctl_atom_set_str()` (Vincent Bernat) - [6dd83015cb74] lldpcli: allow to unset patterns and system description/hostname (Vincent Bernat) - [7424351a7f80] lib: replace macro by a function for `_lldpctl_atom_set_str_config()` (Vincent Bernat) - [8d91359cb371] lib: factor out some code in `_lldpctl_atom_set_str_config()` in a macro (Vincent Bernat) - [22a5375576dd] NEWS: add an entry about some flags not being persistent accross time (Vincent Bernat) - [cf33f40593b8] build: hide renaming of template-generated files (Vincent Bernat) - [abc042057d9f] lldpd: use strdup() on arguments that could be changed by lldpcli (Vincent Bernat) - [e4c51716848a] client: fix configuration modification (Vincent Bernat) - [625005be708d] lldpcli: pretty print json (kanna) - [dfa283134795] systemd: fix systemd unit file (Vincent Bernat) - [8756eb67699c] debian: update symbols file (Vincent Bernat) - [148a1efedcdf] interfaces: bond listening was broken only for old kernels (Vincent Bernat) - [08ced6b4edf2] interfaces: fix initialization of hardware h_data for bonds (Vincent Bernat) - [b96ca40c384a] frame: mention the licensing issue with POKE/PEEK macros (Vincent Bernat) - [3ea0bccfdd4c] lldpcli: handle comments in tokenizer (Vincent Bernat) - [5451aea8aa2f] Merge pull request #77 from Authority1980/master (Vincent Bernat) - [e537ab772962] Fixed Changelog dates (Wes Hardin) - [6d2c29c781db] lldpcli: don't complain when reading a commented line (Vincent Bernat) - [c66fd1a55a68] redhat: mark /var/run stuff as a ghost directory (Vincent Bernat) - [2e441b243656] redhat: fix group tag (Vincent Bernat) - [b5b304e84702] redhat: provide a longer description for devel package (Vincent Bernat) - [4ed3c3d8b5ab] redhat: fix RPM building on SuSE with respect to /usr/share/zsh (Vincent Bernat) - [e202ae37e9f0] redhat: add completions for bash and zsh (Vincent Bernat) - [c0e428aca21b] redhat: everything in /etc/lldpd.d is a configuration file (Vincent Bernat) - [4fe6e6d026da] redhat: reference /etc/lldpd.d/README.conf (Vincent Bernat) - [5cffb4e7a7ee] redhat: use appropriate macros for directory (Vincent Bernat) 0.7.11 [2014-10-08 19:27:00 +0200]: - [62446808f97a] release: prepare 0.7.11 (Vincent Bernat) - [3b0273eef9c3] man: sync lldpcli description of pattern matching (Vincent Bernat) - [3af43e64a6cf] man: say that by default only physical interfaces are used (Vincent Bernat) - [a2b113ef9d48] lldpd: check if capabilities are available/supported before enabling them (kanna) - [71cc157933f6] build: hide invocation of sed command to generate some files (Vincent Bernat) - [f24382c41668] lldpd: also try /usr/lib/os-release if /etc/os-release is not present (Vincent Bernat) - [3a8e3db1d622] build: remove useless variables from pkgconfig file (Vincent Bernat) - [e26fbbae1599] build: use @sbindir@ instead of @prefix@/sbin (Vincent Bernat) - [95493844623c] build: use AC_CONFIG_FILES only to generate Makefiles (Vincent Bernat) - [326808ff3c7c] debian: ship /etc/lldpd.d (Vincent Bernat) - [7255aab1196e] client: ship /etc/lldpd.d and put a README file in it (Vincent Bernat) - [c80ee6f068fe] build: allow use of older versions of json-c (Vincent Bernat) - [d2badd57c3b6] lib: don't check for NULL before free (Vincent Bernat) - [70f6059b9b7d] lib: make a copy of state_data, since pointer can be re-used (kanna) - [ad7daaf7957e] debian: also install zsh completion (Vincent Bernat) - [38ace3d484f8] debian: also install bash completion (Vincent Bernat) - [9b11faad6fbb] lldpd: abort when some options are repeated (Vincent Bernat) - [e37cdbe61624] Revert "debian: ship files in debian/etc/lldpd.d" (Vincent Bernat) - [790752d0b5e7] interfaces: only use physical interfaces to get a chassis ID (Vincent Bernat) - [8e9bf5cd846b] debian: ship files in debian/etc/lldpd.d (Vincent Bernat) - [79790b96b5eb] build: check if pkg-config is correctly installed in ./autogen.sh (Vincent Bernat) - [17cd6a2ec9ed] build: check for needed commands in autogen.sh (Vincent Bernat) - [a9f774888552] build: provide a sysusers.d file (Vincent Bernat) - [dbfa89c6e597] lldpd: handle early cleanup in case interface cannot be created (Vincent Bernat) - [8568f6cd2277] lib: handle read failure in sync case (Vincent Bernat) - [e1556c13cceb] lib: really correctly handle read failure (Vincent Bernat) - [2c4dda069401] lldpcli: disable SIGPIPE (Vincent Bernat) - [62f2faac3c69] lib: correctly handle read failure (Vincent Bernat) - [89a8419047d4] lib: stricter checks when resuming an operation in progress (Vincent Bernat) - [797da1252a18] lldpcli: add editor local variables to bash completion (Vincent Bernat) - [8bddf2143914] lldpcli: add editor local variables to zsh completion (Vincent Bernat) - [8d641ab478fc] lldpcli: indent multiline texts (like system description) (Vincent Bernat) - [320238c4de15] lldpcli: fix style convention to match other files (Vincent Bernat) - [c2153fb65e21] bash/zsh: ensure completions are present in dist tarball (Vincent Bernat) - [9bc3d50e21dc] NEWS: add a word about bash/zsh completion (Vincent Bernat) - [0a735dedbdf7] zsh: add ZSH completion (Vincent Bernat) - [2136d8066293] bash: move bash completion outside Debian packaging (Vincent Bernat) - [3620ee09fa2f] release: new version 0.7.10 (Vincent Bernat) 0.7.10 [2014-07-21 18:06:54 +0200]: - [87ebf13df38c] NEWS: add a word about json-c library support (Vincent Bernat) - [5dcd280d1267] lldpcli: fix jansson implementation of the JSON output (Vincent Bernat) - [71542b4ec734] configure: if --with-json, default to jansson implementation (Vincent Bernat) - [368daef3d649] cdp: complete manual page with CDP-related options (Vincent Bernat) - [611aba00053c] cdp: Make it possible to enable CDPv2 without enabling CDPv1 (Michel Stam) - [5d8f75fe9fdc] lldpcli: Add json description to lldpcli usage (Michel Stam) - [619c379964fd] cdp: Add power requirement to CDPv2 frames (Michel Stam) - [8ff14a6d117e] lldpcli: Add support for JSON-C (Michel Stam) - [62d6f99d2d17] lldpcli: make complete command work on privleged commands as well (Vincent Bernat) - [314f382a5093] lldpcli: provide a hidden complete command for shell completion (Vincent Bernat) - [e13945c02c44] lldpcli: change how privileged commands are declared (Vincent Bernat) - [40df69956ad0] lldpcli: reformat a bit bash completion to be more readable (Vincent Bernat) - [ecd41283aa58] priv: avoid a socket leak when interface is already in promisc (Vincent Bernat) - [ba908c4eedaa] snmp: avoid deferencing a pointer when it may be NULL (Vincent Bernat) - [5317a14a3f0e] dcbx tlv recd are printed as log_debug (Sam Tannous) - [7efa65c16ec7] lldpcli: use protocol map from liblldpctl to select protocol (Vincent Bernat) - [baaa96d1530c] lldpcli: document `-u` argument in synopsis (Vincent Bernat) - [494264f0f831] lldpcli: add display filter to show nbrs running specific protocols (Sam Tannous) - [e147917d5257] lib: update liblldpctl versioning (Vincent Bernat) - [1fa64c11d337] Add call to process more messages from data already read. (Sam Tannous) - [0469161dd554] Add error code to the multicast address add/delete failure msg (Sam Tannous) - [4f670a1e8ace] Move interface update msg to debug level (Sam Tannous) - [003620d3104b] Add ignore handler for SIGHUP in lldpcli (Sam Tannous) - [aef05ae38c63] This patch adds bash completion for lldpcli. (Sam Tannous) - [ea51049df882] snmp: use poll() to wait for AgentX socket to be ready (Vincent Bernat) - [dc6436adb4db] snmp: preserve previous flags when making AgentX socket non-blocking (Vincent Bernat) - [b93e39a16736] make agentx socket non-blocking (Sam Tannous) - [ad21b578b215] Make "too many neighbors for port" msg appear less frequently (Sam Tannous) - [aca48e4ba570] lldpd: Fix netlink notification group for address changes (Sam Tannous) - [b0b8841b0b42] Increase event buffer (Sam Tannous) - [e595efb4c177] log: info messages should be logged on syslog but not on first debug level (Vincent Bernat) - [254e5134d933] lldpd: fix log_info (Sam Tannous) - [5e23c6b99bd3] NEWS: credit seccomp fix (Vincent Bernat) - [d64549384f6f] lldpd: fix use of NULL in execl* (Vincent Bernat) - [d769cdb235cc] Merge pull request #70 from chutz/seccomp-whitelist (Vincent Bernat) - [285b33afd0da] lldpd: whitelist sendto, poll, recvmsg and readv in seccomp sandbox (Patrick McLean) - [1059a20e7e2d] NEWS: add a word about ability to disable LLDP (Vincent Bernat) - [b8a802bc7d8a] lldpd: fix how LLDP can be disabled (Vincent Bernat) - [806eaef4832a] cdp: don't expect and off-by-one checksum (Vincent Bernat) - [a5a60bbf97ed] frame: fix CDP checksum (udbxtd2008) - [f4da5f84837c] README: document the new promisc interface in README as well (Vincent Bernat) - [0a6f3866b830] lldpcli: give more details in the manual page about promiscuous mode (Vincent Bernat) - [f84199ddf6c9] lldpcli: add an option to enable promisc mode on managed interfaces (Vincent Bernat) - [ace524261458] priv: don't output rc status twice when unable to open socket (Vincent Bernat) - [50724a52606f] README: more about Cisco sending LLDP frames on VLAN 1 (Vincent Bernat) - [af5f56616c7f] osx: update version to 0.7.9 (Vincent Bernat) 0.7.9 [2014-05-28 12:08:51 +0200]: - [02e51cb01a07] debian: sync a bit with official packaging (Vincent Bernat) - [70943e342fff] version: prepare a new release (Vincent Bernat) - [cf11ddf09817] lldpd: trigger regular interface refresh when changing port ID (Vincent Bernat) - [bef085b8dbca] lldpcli: document `configure lldp portidsubtype` command (Vincent Bernat) - [e82818d13e77] NEWS: mention ability to configure port ID (Vincent Bernat) - [ff0a278f264a] lldpcli: fix a format warning (Vincent Bernat) - [cf719ce84bf0] lldpcli: remove unused variable (Vincent Bernat) - [8fbd31953957] Support for modifying PortID TLV (Sam Tannous) - [ba66666322f9] README: point to the website for install instructions (Vincent Bernat) - [f7f82e1e2a37] README: update the intro to better match the reality (Vincent Bernat) - [fd7bb9f409e6] travis: don't use regular options when on coverity branch (Vincent Bernat) - [cddf0a08236b] travis: don't do anything if not on the coverity branch (Vincent Bernat) - [d82e81816b5e] travis: reduce matrix by not compiling everything with clang (Vincent Bernat) - [b2c51a1d62be] travis: integrate coverity script in regular run.sh (Vincent Bernat) - [78f816e9af24] travis: when running coverity, skip regular build (Vincent Bernat) - [0db5b7bbffa6] travis: don't try to install launchd/systemd stuff (Vincent Bernat) - [c034207574e1] travis: no need for `make install` (Vincent Bernat) - [7b4eb1949a4b] bsd: ensure we also have space for the padding after BPF header (Vincent Bernat) - [eeb66a08bdb7] bsd: ensure proper alignment of BPF header (Vincent Bernat) - [986effcb7a97] bsd: ensure we also have space for the BPF header (Vincent Bernat) - [3d596bbefdd9] bsd: fix clang warning about alignment problem with sockaddr (Vincent Bernat) - [dd82040caf7d] travis: run "make distcheck" with the appropriate configure arguments (Vincent Bernat) - [7e4a91f0481d] travis: only run "make distcheck" (Vincent Bernat) - [047ab6702ded] travis: on OS X, try with/without embedded libevent and with/without SNMP (Vincent Bernat) - [45bf176ba539] travis: try to build only with clang on OS X (Vincent Bernat) - [54c78d4c61e2] travis: use devel version of net-snmp on OSX (Vincent Bernat) - [98e2e4754996] travis: misc change to trigger a rebuild (Vincent Bernat) - [622d14bbdf16] lldpcli: directive to configure IP management pattern (Vincent Bernat) - [6afb24c220d8] lldp: fix handling of LLDPDU expiration (Vincent Bernat) - [a85eea84bb3f] NEWS: mention support for shutdown LLDPDU (Vincent Bernat) - [5a215d4b32cd] lldp: support for shutdown LLDPU (Vincent Bernat) - [0e29d79487c5] interfaces: default to use of a local administered MAC address for bonds (Vincent Bernat) - [d5f8351c8367] NEWS: mention the fix for local address use (Vincent Bernat) - [8229c8ebd9ba] man: more documentation for bond-slave-src-mac-type (Vincent Bernat) - [c6d4d3229fb8] interfaces: fallback to fixed MAC if already a local MAC (Vincent Bernat) - [9173f75725a8] interfaces: fix use of locally administered use on bond devices (Vincent Bernat) - [860c5567ba39] osx: use /var as a base for socket location (Vincent Bernat) - [2cbc9cc56219] man: use configured path for /var/run/lldpd.socket (Vincent Bernat) - [5133ce2fc2b9] configure: make default PID location configurable (Vincent Bernat) - [3a3a36239b5d] configure: make default socket location configurable in configure (Vincent Bernat) - [9a4ed64aabbb] configure: use `runstatedir` instead of /var/run in configure (Vincent Bernat) - [08841844176c] configure: don't use fallback values in summary (Vincent Bernat) - [cdcf7dc577a2] lldpcli: return success when reading commands from files (Vincent Bernat) - [084988d49489] osx: update Homebrew formula to match what has been done in Homebrew (Vincent Bernat) - [c6d3aa0f58f4] configure: enable use of colored output for gcc (Vincent Bernat) - [8f109ee23771] configure: use -fstack-protector-strong if available (Vincent Bernat) - [70f4df2aaa49] osx: new release (Vincent Bernat) - [17a90fc0af9c] lldpcli: document new "configure system hostname" directive (Vincent Bernat) 0.7.8 [2014-04-13 10:34:13 +0200]: - [412a1dadab09] version: prepare new release (Vincent Bernat) - [724d71ea13ce] NEWS: add several items to the changelog (Vincent Bernat) - [3dc1eb8ca263] configure: make some flags conditional (Vincent Bernat) - [67d43beb0834] osx: blacklist p2pX interfaces (Vincent Bernat) - [29760896f54e] configure: hide errors when systemd is not present (Vincent Bernat) - [6579462d82d4] compat: fix vsyslog to rely on the result of vasprintf (Vincent Bernat) - [f31ac893ad90] compat: include stdarg to get va_list (Vincent Bernat) - [dbc971443826] compat: fix use of vasprintf (previously _vasprintf) (Vincent Bernat) - [3522094f0d24] lldpcli: use a previously unused variable (Vincent Bernat) - [984bbcbc1126] lldpd: add a note about command-line options (Vincent Bernat) - [f88a0f1f8209] Merge pull request #60 from jonasj76/override-hostname (Vincent Bernat) - [dfa181af0730] lldpd: Remove the '-N' command-line flag (Jonas Johansson) - [ce347d296c89] lldp: add option/command to override hostname (Jonas Johansson) - [87dfd17553de] coverity: change a bit the annotations (Vincent Bernat) - [b64a011bf4e4] coverity: fix a false positive in SNMP transport (Vincent Bernat) - [79dae0f0d8fb] coverity: fix memory leak in lldpd when the same option is repeated (Vincent Bernat) - [af35cabd68c6] coverity: fix memory leak in lldpcli (Vincent Bernat) - [d0b88676ed80] redhat: enable SNMP support on RHEL 5 and CentOS 5 by default (Vincent Bernat) - [ae7f4c2945f0] snmp: link with Net-SNMP later (Vincent Bernat) - [bd3da7c52879] priv: use AF_UNIX for socketpair() (Vincent Bernat) - [1a3dd5a8e028] configure: _XOPEN_SOURCE=500 to be like _GNU_SOURCE=1 (Vincent Bernat) - [554d650db8dc] hpux: provide a replacement for daemon() for HP-UX (Vincent Bernat) - [9f497e04a0a8] hpux: provide a replacement for vsyslog() for HP-UX (Vincent Bernat) - [da0a34dd6ba6] asprintf: we are also using vasprintf, let's define it correctly (Vincent Bernat) - [24b8d79f8895] build: use __EXTENSIONS__ and _XOPEN_SOURCE_EXTENDED everywhere (Vincent Bernat) - [9fe83ec06914] bsd: check of SIOCGIFDESCR instead of IFDESCRSIZE (Vincent Bernat) - [f41ed9c5bd31] privsep: don't use err.h: not needed (Vincent Bernat) - [6a5334d4d523] asprintf: fix warnings in SNMP tests related to asprintf (Vincent Bernat) - [0921a7f4ce4a] asprintf: do not redeclare on SNMP tests (Vincent Bernat) - [46673df2cbbe] asprintf: globally define _GNU_SOURCE (Vincent Bernat) - [39f940da4592] debian: fix postinst to create _lldpd user (Vincent Bernat) - [64ee56f83848] debian: same style for postinst and postrm (Vincent Bernat) - [b345311cbb8f] lib: use strlcpy() instead of strcpy() (Vincent Bernat) - [c6aa43e5b86d] interfaces: convert a whitelisted interface to a physical one (Vincent Bernat) - [627e31c489e6] interfaces: circumvent any physical check on exact match (Vincent Bernat) - [8b53fc2c2ad5] interfaces: allow whitelisting an interface (Vincent Bernat) - [d5e69431014a] interfaces: document and test pattern matching (Vincent Bernat) - [3ff9f162a184] build: use -fno-omit-frame-pointer for ease of debug (Vincent Bernat) - [27faad4fd793] lib: don't use strlcpy() when strcpy() just works (Vincent Bernat) - [dcf5d2f72dc9] build: remove duplicate const declaration (Vincent Bernat) - [ed9e6f414305] travis: put installation and test instructions into shell scripts (Vincent Bernat) - [81c693e642a4] travis: test with OSX and clang (Vincent Bernat) - [971d12ce529b] build: on OSX, use glibtoolize by default (Vincent Bernat) - [02987888adc8] lldpcli: fix readline() wrapper to take prompt as argument (Vincent Bernat) - [fe8f9650079c] lldpcli: check for privileges by checking access to control socket (Vincent Bernat) - [91f424d16491] lldpcli: root is privileged (Vincent Bernat) - [cc160b887858] interfaces: reset router and wlan capability bits (Vincent Bernat) - [6b0954714065] lldpd: enable "stationOnly" capability if we don't have anything else (Vincent Bernat) - [0c1589a2fea8] lib: add URL in lldpctl.pc (Vincent Bernat) - [edc0cc14a8c4] lib: fix includedir in lldpctl.pc (Vincent Bernat) - [69abf8b2b37c] fgetln: provide a version not relying on getline() (Vincent Bernat) - [31594635ecc1] daemon: unset UPSTART_JOB and NOTIFY_SOCKET once used (Vincent Bernat) - [45bf0bd0627d] lldpd: use vfork+exec instead of fork+exec (Vincent Bernat) - [16bbd290d5d7] priv: add compilation without privilege separation to Travis (Vincent Bernat) - [71a7dbb3c64d] priv: add the ability to disable privilege separation (Vincent Bernat) - [d2a289bba82f] privsep: IO should specify the context (Vincent Bernat) - [8b0ca98ef399] README: add build instructions for Android (Vincent Bernat) - [69a7ffa0bac8] include: don't ship `linux/socket.h` (Vincent Bernat) - [afe3dabf9eed] priv: declare `res_init()` for builds against Android's Bionic (Vincent Bernat) - [608b5669ebf1] lldpcli: replace safe use of `strcpy` by `strlcpy` (Vincent Bernat) - [0fd9e6e25bfb] build: hide generation of syscall-names.h (Vincent Bernat) - [7ee3d13d3637] cdp: fix regression in CDP packet building (Vincent Bernat) - [12313820fafc] lldp: don't hard-code sysname, sysdescr and portdescr (Vincent Bernat) - [912dfcff033b] interfaces: remove useless return (Vincent Bernat) - [d79850426254] lldp: do not send system description TLV if empty (Vincent Bernat) - [493b0d427fb4] configure: provide GitHub address for issues (Vincent Bernat) - [ed409ccd3ef8] clang: use ETHER_ADDR_LEN instead of sizeof() (Vincent Bernat) - [dd1d33cf7c97] marshal: use __alignof__ operator if available (Vincent Bernat) - [e4dea55d69be] clang: fix an obvious use after free (Vincent Bernat) - [6f4b6d5872c3] alignof: handle sizeof(t) == 1 case (Vincent Bernat) - [d68f1b813cf8] coverity: really fix popt issue (Vincent Bernat) - [46a5f939b66d] coverity: add code annotation to remove false positives (Vincent Bernat) - [26667615414c] coverity: if we cannot read /etc/localtime, don't go further (Vincent Bernat) - [8ad3bafab619] coverity: don't fallback to next case for clarity (Vincent Bernat) - [e2b09091a263] coverity: replace unsafe uses of strncpy by strlcpy (Vincent Bernat) - [cdece23a6df4] coverity: remove always false comparison (Vincent Bernat) - [39d78d567ddf] coverity: remove dead code (Vincent Bernat) - [037d4c8ea40e] coverity: don't make `-L` flag switch off version advertisement (Vincent Bernat) - [3332985ad598] coverity: handle case where we didn't get enough place in getopt string (Vincent Bernat) - [ddd75166dd41] coverity: remove a theoritical memory leak (Vincent Bernat) - [4032084d12c4] coverity: fix a memory leak (Vincent Bernat) - [3ee3f25d9ad2] coverity: fix a resource leak (Vincent Bernat) - [b7e2b07c1eb6] coverity: fix TOCTOU problem when creating chroot (Vincent Bernat) - [0059e4786dc8] coverity: remove dead code (Vincent Bernat) - [a56f413747cf] coverity: remove unused pointer value (Vincent Bernat) - [6df40257e2c1] gitignore: add GNU global files (Vincent Bernat) - [872caaf9e779] debian: fix debian/lldpd.install to use provided lldpd.service (Vincent Bernat) - [82e23221f46a] redhat: don't try to install systemd stuff (Vincent Bernat) - [a28d7016c92e] redhat: fix version in lldpd.spec (Vincent Bernat) - [e4e5a1f8efc2] osx: update homebrew recipe (Vincent Bernat) 0.7.7 [2013-11-10 15:42:52 +0100]: - [d72c2c591fb6] release: prepare for release of 0.7.7 (Vincent Bernat) - [3a9dc9c133f5] lldpd: tell `lldpcli` to use the appropriate control socket (Vincent Bernat) - [f7242beb1ef8] lldpcli: accepts `-u` option to specify control socket (Vincent Bernat) - [b6312220edf5] privsep: put /etc/localtime in chroot (Vincent Bernat) - [4006b64e3a92] systemd: also read /etc/sysconfig/lldpd (Vincent Bernat) - [ff4d7fa9c7ef] systemd: require mount points to have chroot possible (Vincent Bernat) - [25f47deab82c] systemd: starts lldpd after network (Vincent Bernat) - [c2e68bff3dda] tests: only test if we have `check` installed (Vincent Bernat) - [246701fe22bd] seccomp: do not ship `syscall-names.h` (Vincent Bernat) - [6a427fb18c67] travis: don't limit tests to master branch. (Vincent Bernat) - [4e97a0bf8488] lib: fix a segfault introduced in ef3707 when freeing an atom (Vincent Bernat) - [00e40dba232c] seccomp: add support for seccomp through libseccomp (Vincent Bernat) - [bde52887c7f4] systemd: use full path for mkdir/cp (Vincent Bernat) - [140e34f05746] systemtap: provide an appropriate tapset (Vincent Bernat) - [bdfe41938907] dtrace: add systemtap/DTrace support (Vincent Bernat) - [5f7d1cd51fe9] README: explain how to handle VLAN-encapsulated LLDP frames (Vincent Bernat) - [f17837f781b0] configure: use a convenience library for fixed point arithmetic (Vincent Bernat) - [c0cdd0111f3f] Revert "README: remove inexact paragraph about stacking bonding/vlans/bridges" (Vincent Bernat) - [12baf7811f63] linux: fix a regression in how enslaved devices' MAC addresses are retrieved (Vincent Bernat) - [dbcb684662e2] event: don't call `netsnmp_check_outstanding_agent_requests()` (Vincent Bernat) - [9a4e257b0ad1] priv: use unistd.h to get `close()` (Vincent Bernat) - [4565704cef06] configure: remove an extra parenthesis in args.m4 (Vincent Bernat) - [4dfe31fd72ad] systemd: install service file using `systemdsystemunit_DATA` (Vincent Bernat) - [bdc954b77ada] lib: fix notification by reading one byte at a time from Unix socket (Vincent Bernat) - [9d1524b7de1c] systemd: ship lldpd.service file if possible (Vincent Bernat) - [41e57d5a8821] lldpd: fix a segfault when a port disappear (Vincent Bernat) - [42ea638d61b5] lldpd: small optimization in the expiration process (Vincent Bernat) - [ef3707dacfd9] lldpd: make notifications work when a port goes down (Vincent Bernat) - [f5a0a15ea37d] linux: add support for team devices (Vincent Bernat) - [5813918ade1b] rpc: don't check source MAC settings when it is 0 (Vincent Bernat) - [7d758eec2bf7] interfaces: mangle source MAC address on bonds for other OS too (Vincent Bernat) - [5347914ef1fc] interfaces: abstract a bit MAC address mangling for bonding devices (Vincent Bernat) - [99704cd9b9ff] interfaces: move "mangle" function for bond slaves (Vincent Bernat) - [bae18e13c284] lldpcli: remove unused variable (Vincent Bernat) - [d7166588be78] lib: update version-info to match previous changes (Vincent Bernat) - [2746d430fbcc] bond: reenable the possibility to use a fixed MAC address (Vincent Bernat) - [c9703b9640ac] client: move register of bond-slave-src-mac-type to a separate function (Vincent Bernat) - [dfbd7185f823] [PATCH| lldpd: use bond slave real mac with locally administered bit set as sour ce man in lldp frames sent on bond slaves (Roopa Prabhu) - [87bc6683c602] linux: mangle MAC address for enslaved devices (Vincent Bernat) - [96f2411a2bbf] lib: fix parsing of "11542." (Vincent Bernat) - [f730f6c5f648] lib: introduce proper fixed point parsing and representation module (Vincent Bernat) - [d2c04230fb3a] lib: correctly set altitude unit without erasing neighbouring data (Vincent Bernat) - [bec75f842fa4] event: replace `evutil_make_socket_nonblocking()` by an idempotent version (Vincent Bernat) - [1e0d651f6ec9] lldpd: invoke `setproctitle_init()` when needed (Vincent Bernat) - [5c4fa9bdc202] priv: use `sigaction()` instead of `signal()` to install non-default signals (Vincent Bernat) - [82fcdf156dd2] README: on OSX, /etc is a symlink to /private/etc. (Vincent Bernat) - [c3f855602d84] osx: make the path to /Library/LaunchDaemons configurable (Vincent Bernat) - [352897291cc5] osx: minimize differences with downstream Homebrew formula (Vincent Bernat) - [6ed2b9ad9b4f] osx: fix a syntax error in Homebrew formula (Vincent Bernat) - [91a63c540e59] osx: patch the installation of launchd plist file for Homebrew (Vincent Bernat) - [53c56a7a0fef] osx: don't remove the whole /Library/LaunchDaemons directory on uninstall! (Vincent Bernat) - [d0a033727caa] configure: check for `res_init()` before trying other forms. (Vincent Bernat) - [ba09084d4764] README: remove inexact paragraph about stacking bonding/vlans/bridges (Vincent Bernat) - [25354cf35113] osx: update SHA1 sum for Homebrew recipe (Vincent Bernat) 0.7.6 [2013-07-12 10:00:01 +0200]: - [09587df0ed71] osx: fix postinstall script (Vincent Bernat) - [3336988a6ccd] packaging: change `PreReq` to `Requires(pre)` in lldpd.spec (Vincent Bernat) - [03b0a19012f9] packaging: update to 0.7.6 (Vincent Bernat) - [22f1ea467ef9] README: show how to use tcpdump for troubleshooting (Vincent Bernat) - [065732ca3413] priv: correctly declare `priv_cmd` type (Vincent Bernat) - [bcde9c0aa535] doc: add a CONTRIBUTE document (Vincent Bernat) - [fef34dede19b] linux: define IFALIASZ for old systems (Vincent Bernat) - [3a723384557d] lldpd: fix a fd leak when we cannot write the new alias (Vincent Bernat) - [015ecdd5f6ac] lldpd: append "was" to an interface description when a neighbor disappear (Vincent Bernat) - [bb37268d812b] client: add "configure/unconfigure system interface description" command (Vincent Bernat) - [2de09499f87f] lib: `lldpctl_k_config_receiveonly` is a read-only property (Vincent Bernat) - [47820fc416cc] interfaces: overwrite interface description with neighbor found (Vincent Bernat) - [53d4577a63fd] priv: avoid to leak generic socket (Vincent Bernat) - [4ea0565ebd7c] privsep: separate OS specific code to dedicated files (Vincent Bernat) - [784077f8b096] redhat: require groupadd/useradd (Vincent Bernat) - [31e4e7c6205f] osx: don't repeat `pkg-ref` several times in `distribution.xml` (Vincent Bernat) - [4c4e1aef7a51] osx: don't use `domains` tag in `distribution.xml` (Vincent Bernat) - [462d8b6c813a] osx: add a way to compile for older versions of OS X (Vincent Bernat) - [fa71a00c8b1a] osx: `make pkg` can now build universal binaries (Vincent Bernat) - [5b90c4f5c054] osx: don't try to build universal binaries (Vincent Bernat) - [42494121e890] configure: remove out-dated instructions to regen autoconf out-of-git (Vincent Bernat) - [5e36732de776] snmp: fix a typo in `agent_priv.c` (Vincent Bernat) - [e9f4d63c9efa] configure: ensure that osx/scripts are executable (Vincent Bernat) - [7298e28fad13] osx: use HTML files instead of RTF for welcome message (Vincent Bernat) - [92f5db08c399] osx: simpler instructions in README.md (Vincent Bernat) - [b708297cbab9] osx: add a target to build an OSX package (Vincent Bernat) - [abacd8d20f8c] configure: fix a typo in the description of `--with-embedded-libevent` option (Vincent Bernat) - [e37255a58218] travis: check that we can build lldpd with embedded libevent (Vincent Bernat) - [f829effd3fe8] configure: add a flag to force use of embedded libevent (Vincent Bernat) - [eea17f742927] debian: update packaging to match downstream (Vincent Bernat) - [edc437d94f56] compat: include config.h in compat.h (Vincent Bernat) - [28178982aa65] compat: fix strndup (Vincent Bernat) - [2523da3af610] NEWS: add an entry about the use of `strndup()` (Vincent Bernat) - [7354ec8f2bd0] compat: add `strndup()` compatibility function (Vincent Bernat) - [d52cf1d2729f] compat: remove copyright notice for setproctitle() (Vincent Bernat) - [c6540ece3ea7] tests: define ck_assert_ptr_eq if check is too old (Vincent Bernat) - [46a402c55b96] osx: use SHA1 instead of MD5 in homebrew formula (Vincent Bernat) - [1e8952da6db7] check: use `ck_assert_ptr_eq` instead of `ck_assert_int_eq`. (Vincent Bernat) - [b0cb07f7ed0b] style: use C99 designated initializers instead of memset() when possible (Vincent Bernat) - [444c6862d096] packaging: update to 0.7.5 (Vincent Bernat) 0.7.5 [2013-06-22 13:57:31 +0200]: - [2169efb24f0a] tokenizer: input buffer was too small (Vincent Bernat) - [6712d3ec1409] packaging: update packaging (Vincent Bernat) 0.7.4 [2013-06-22 12:15:47 +0200]: - [138121782171] bpf: on OpenBSD, invert the filter direction (Vincent Bernat) - [96b97fac65bb] NEWS: add an entry for the use of `setproctitle()` (Vincent Bernat) - [f0d215766ac0] compat: declare `setproctitle()` as a printf function (Vincent Bernat) - [19ce8130c7f1] debian: build-depends on libbssd-dev (Vincent Bernat) - [e7103aff39e2] lldpd: when no `setproctitle()` available, don't count neighbors (Vincent Bernat) - [480f1c6130ef] lldpd: count number of chassis to get number of neighbors (Vincent Bernat) - [25eb1871461a] lldpd: don't call `lldpd_count_neighbors()` too many times (Vincent Bernat) - [66879d46ac2b] build: use libbsd if available, also use `setproctitle()` (Vincent Bernat) - [3f70e1182aeb] lldpcli: `configure system platform` to override platform description (Vincent Bernat) - [decaec0d8a67] lldpcli: `configure system description` to override chassis description (Vincent Bernat) - [994b3371b3b0] lldpcli: split `conf.c` into `conf-system.c` and `conf-lldp.c`. (Vincent Bernat) - [48d0a4b0d72e] lldpcli: `configure system interface pattern` instead of `configure lldp iface-pattern` (Vincent Bernat) - [a3e0896768d4] libevent: use GitHub git tree (Vincent Bernat) - [c11e397a7598] debian: sync packaging with official Debian package (Vincent Bernat) - [e39f079a1558] libevent: switch to patches-2.0 branch to get the appropriate automake fix (Vincent Bernat) - [8677ddc78172] git: ignore test-driver, generated by recent automake versions (Vincent Bernat) - [bea0d76429a2] Fixed some boundary conditions in code that cleans remote ports on ttl expiry. (Roopa Prabhu) - [5aeda65433fd] liblldpctl: fix infinite loop when user is reading fixed chunks (Pradosh Mohapatra) - [d82342940c39] marshal: fix alignment issue when unserializing (Vincent Bernat) - [bea703140788] log: fix memory leak when using a log handler (Vincent Bernat) - [a8da18644b17] marshal: don't declare serialize/unserialize helper for string (Vincent Bernat) - [02cf0357c916] lldpd: fix an alignment (non-)issue (Vincent Bernat) - [bd8a8861df79] lldpcli: don't use an hack to pass the writer to watch callback (Vincent Bernat) - [985a4cb5f210] marshal: provide type-specific serialization/unserialization functions (Vincent Bernat) - [aba549a82a0f] client: fix a memory leak when changing lldpd configuration (Vincent Bernat) - [93afd294af9b] ctl: fix a memory leak when cleaning control socket (Vincent Bernat) - [e681c859c6c9] client: trigger interface refresh when updating interface pattern (Vincent Bernat) - [e26a25ca4d0e] lib: fix a memory leak when modifying interface pattern (Vincent Bernat) - [0093777b2894] lldpcli: document "configure lldp iface-pattern" in manual page (Vincent Bernat) - [7e516f104a85] lldpctl.h: document possibility to write iface-pattern (Vincent Bernat) - [346a0f6961ba] lldpcli: Add support to set iface-pattern (roopa) - [0728cb8205f7] sonmp: allow SONMP unittests to work without a global config (Vincent Bernat) - [ea481e370199] man: document tx-hold (Vincent Bernat) - [cb5f7399a79f] man: tx-interval cannot be set per port (Vincent Bernat) - [c10302a38ece] lldpd: Add tx_hold (roopa) - [5920dbf73ae1] lldpcli: don't rely on `fgetln()` providing a NULL-terminated string (Vincent Bernat) - [655145c07b89] lldpcli: don't free input line (Vincent Bernat) - [d1dc456f990f] lib: keep space for new values in `lldpctl_key_t` (Vincent Bernat) - [40116b407603] debian: synchronize packaging with Debian (Vincent Bernat) - [e91ca9d0157c] release: prepare 0.7.3 (Vincent Bernat) 0.7.3 [2013-05-09 00:05:36 +0200]: - [a1728b7df077] NEWS: add a word about Solaris support (Vincent Bernat) - [b1a8985da685] solaris: less intrusive way to get CMSG_* macros (Vincent Bernat) - [815b799b44ed] solaris: assume that IP forwarding is disabled (Vincent Bernat) - [c3e340b6be8a] solaris: preliminary support (Vincent Bernat) - [d0787f4e65c4] NEWS: add an entry about LLDP-MED fast start. (Vincent Bernat) - [486a61330146] lldpcli: allow to enable/disable fast-start and set delay (Vincent Bernat) - [d6d42d56f7eb] lldpd: enable fast start by default (Vincent Bernat) - [be511d00bf41] lldpd: make fast start work only when receiving LLDP-MED LLDPDU (Vincent Bernat) - [b9de0ca613f3] lldpd: fast start support (roopa) - [7ba4a1832e43] configure: use `AC_PROG_EGREP` to find a suitable `grep -E` (Vincent Bernat) - [ae5cae025029] lib: use uint8_t instead of u_int8_t (Vincent Bernat) - [91e0280a7e7d] configure: display configured OS (Vincent Bernat) - [885aa4f4aaba] lldpcli: complete the manual page with the syntax of "show statistics" (Vincent Bernat) - [d947819daaaa] lldpcli: summary of statistics is done on provided ports only (Vincent Bernat) - [048ed9db7ddf] lldpcli: fix two warnings introduced by the previous commit (Vincent Bernat) - [adcb76f83ac9] NEWS: add an entry for "show statistics summary" command (Vincent Bernat) - [5331eb2d47f0] lldpcli: global stats command (roopa) - [1b3eea3d9025] os: add support for DragonFly BSD (Vincent Bernat) - [de461f15d788] netlink: fix IP address discovery (Vincent Bernat) - [3fc1a10a030f] lldpcli: fix typo in the man page for setting altitude (Vincent Bernat) - [45a83f305d67] bsd: don't report a warning when no media information is present (Vincent Bernat) 0.7.2 [2013-04-20 02:59:47 +0200]: - [03ee074db6ca] build: both client and lib may need shipped headers in include/ (Vincent Bernat) - [4c758e896ded] fgetln: getline may need _GNU_SOURCE (Vincent Bernat) - [bed9f656dc3a] install: install ChangeLog (Vincent Bernat) - [21a48c644336] bsd: reorder headers to fix compilation of various BSD (Vincent Bernat) - [ef1ae4e787c9] Prepare for 0.7.2 release. (Vincent Bernat) - [ced5eed17d20] doc: update NEWS entry for "show statistics" command (Vincent Bernat) - [ecb92d57646e] lib: remove unneeded struct for stats in private.h (Vincent Bernat) - [012ec0d28893] lldpcli: use human labels for statistics (Vincent Bernat) - [ddfbab08bfe5] lldpcli: reuse cmd_restrict_ports() to handle port restriction in "show stats" (Vincent Bernat) - [864a7bd519f1] event: add missing include (Vincent Bernat) - [78356144eeab] lldpcli: Add support to display lldp stats (roopa) - [fcc2a75a16e5] Revert "debian: on Debian, don't ship upstart script" (Vincent Bernat) - [d5e9611c1cc9] debian: on Debian, don't ship upstart script (Vincent Bernat) - [75b0d3c2c502] debian: require dh-autoreconf for autoreconf.mk to be present (Vincent Bernat) - [43d109568939] cdp: force CDPv2 protocol with `-ccc` argument (Vincent Bernat) - [8a771868ceb8] lldpd: really accepts only 4 neighbors (Vincent Bernat) - [3333d2a8a810] lldpd: enforce TTL on remote chassis (Vincent Bernat) - [4258966022fc] lldpd: limit the maximum of neighbors per port and per protocol (Vincent Bernat) - [426ee11eefd4] README: add a note about executing lldpd without installing it (Vincent Bernat) - [e581ec3043d5] lib: fix sync_recv to handle segmentation (Vincent Bernat) - [3bd96fcb13a5] test: add an helper to generate many neighbors (Vincent Bernat) - [dc21d049d798] lldpd: correctly parse /etc/os-release (Vincent Bernat) - [618db74a5ae6] lib: `ctlname` in `lldpctl_conn_t` is not const (Vincent Bernat) - [2217afc54e49] lib: bump version-info of liblldpctl for `lldpctl_new_name()` function (Vincent Bernat) - [0262adbbcca0] Add a argument to specify the unix control socket (Zang MingJie) - [760f35d4bc41] Add autoreconf to call autogen.sh while build deb (Zealot) - [e991f5366914] build: also ship ./autogen.sh (Vincent Bernat) - [a888bea6f086] build: use the same way as libbsd for version and changelog (Vincent Bernat) - [bf49b9c17799] build: try to save current version in `VERSION` (Vincent Bernat) - [30d283708fd6] install: remove liblldpctl previous symbolic link (Vincent Bernat) - [c3c22d18622f] configure: only match tags starting with a digit for version number (Vincent Bernat) - [4c1a8c615221] build: check if libevent as provided by pkg-config is working (Vincent Bernat) - [290951985e0b] doc: add documentation about reading /etc/lldpd.conf and /etc/lldpd.d/* (Vincent Bernat) - [981ee4fec9fb] interfaces: whitelist an interface before being checking lower (Vincent Bernat) - [ee715bf2f9ee] libevent: produce smaller binaries when shipping libevent (Vincent Bernat) - [f88442acdee8] lldpcli: possibility to configure tx-delay (Vincent Bernat) - [4a22e2c14364] lldpcli: fix exit command (Vincent Bernat) - [e15f96d2ae0e] lldpcli: split actions.c in several files (Vincent Bernat) - [e688f90f6d38] lldpcli: put port restriction into a commands.c for use in other files (Vincent Bernat) - [eb78d6e3d9be] lldpd: discard output of lldpcli (Vincent Bernat) - [ba529c82f338] lldpd: pause only if lldpcli has not been disabled (Vincent Bernat) - [e4ff3ed5cec2] lldpd: pause at start, unpause through lldpcli (Vincent Bernat) - [51534ef3a17f] lldpd: invoke lldpcli at start (Vincent Bernat) - [676b4970ddd5] ctl: close control socket on error when connecting (Vincent Bernat) - [ade27163aa55] build: lib and client don't need shipped OS specific headers (Vincent Bernat) - [6402fd2c61c0] lldpcli: add an option to read commands from files (Vincent Bernat) - [80c974a8d66a] Fix some spelling mistakes. (Vincent Bernat) - [24a63670e5b6] debian: don't remove inexistent CHANGELOG file (Vincent Bernat) - [81e1569c2406] debian: provide a development package for liblldpctl (Vincent Bernat) - [14c30a6bf6af] priv: add ability to lock filter on Linux (Vincent Bernat) - [2d2d6e9503d9] priv: make inability to set write filter as fatal (Vincent Bernat) - [6fd393a2ffe2] priv: create chroot if it does not exist (Vincent Bernat) - [e735a3196e17] priv: lock BPF interface on BSD (Vincent Bernat) - [72706acd815f] lldpcli: add "help" command in manual page (Vincent Bernat) - [9791926353b0] osx: don't include "head" bits in homebrew formula (Vincent Bernat) - [593630190cdd] osx: update Homebrew formula with JSON and SNMP support (Vincent Bernat) - [01ac27b2a3cd] snmp: workaround unknown value for RONLY (Vincent Bernat) - [3abff5ce6dac] marshal: serialization may return 0 and target untouched (Vincent Bernat) - [9a6a7f740943] snmp: frame.h is not needed anymore (Vincent Bernat) - [aa015c2618ec] clang: additional fixes detected by clang analyzer (Vincent Bernat) - [506273e9a272] Small fixes detected by clang analyzer. (Vincent Bernat) 0.7.1 [2013-01-13 00:46:46 +0100]: - [a6c894e35018] packaging: update packaging stuff for release (Vincent Bernat) - [13b47e2346ad] build: more changelog drama (Vincent Bernat) - [ceb3792235a3] systemd: don't use SOCK_CLOEXEC (Vincent Bernat) - [6475817e06e0] event: replace obsolete `sigignore()` by `signal()` (Vincent Bernat) - [bf74bdaf318d] doc: new homepage for lldpd (Vincent Bernat) - [835c9df64b90] compat: add `strnlen()` which may be absent on some older systems (Vincent Bernat) - [35b64151e9d1] bsd: compatibility with systems that do not have interface descriptions (Vincent Bernat) - [d53240cdf026] build: fix changelog generation (Vincent Bernat) - [29e300e5ab4a] osx: add an homebrew formula (Vincent Bernat) - [0339b9a2e1cd] configure: compatibility with automake 1.12 (Vincent Bernat) - [6a8ed6603229] autogen: don't use readlink -f (Vincent Bernat) - [bb1666fe512e] autogen: allow to override commands used (Vincent Bernat) - [547e7dc09403] dmi: implementation for Mac OS X. (Vincent Bernat) - [e66b7f34ca14] Mac OS X support. (Vincent Bernat) - [4e8e0fd4324a] build: add tag date in changelog (Vincent Bernat) - [cdf67f33be48] priv: mirror the exit status of the child (Vincent Bernat) - [322aafc99739] debian: add systemd support (Vincent Bernat) - [8172214fa00b] lldpd: remove uncleaned control socket when noone is listening (Vincent Bernat) - [2591639f6f81] debian: provide an upstart job (Vincent Bernat) - [2b35e2d075da] README: mention multi-OS support (Vincent Bernat) - [b210a6170020] debian: update Debian packaging. (Vincent Bernat) - [a5d1ce7553c8] redhat: fix Redhat packaging (Vincent Bernat) - [0eb9ad161b5c] redhat: update lldpd.spec (Vincent Bernat) - [80771ccb88b5] build: fix generation of ChangeLog (Vincent Bernat) 0.7.0 [2013-01-06 14:06:19 +0100]: - [25272118a034] lldpcli: add a "help" command. (Vincent Bernat) - [852728bc7793] lldpcli: fix "source unknown" for Dot3/LLDP-MED power. (Vincent Bernat) - [07f2c5678ec0] lldpcli: don't rely on `rl_delete_text()` (Vincent Bernat) - [35f6f4fb7360] lldpcli: make readline library optional. (Vincent Bernat) - [23e7fa38bd58] lldpcli: switch to GNU Readline. (Vincent Bernat) - [86b5c6fb48a4] event: trigger the main iteration when starting the main loop. (Vincent Bernat) - [048355f33558] lldpcli: ensure `conn` is initialized to NULL to avoid a compiler warning (Vincent Bernat) - [552502a43d93] lldpcli: don't propose configure for options not compiled (Vincent Bernat) - [c1173aa81a20] lib: fix a compilation problem when LLDP-MED or Dot3 were disabled (Vincent Bernat) - [c84c43ed9cbc] redhat: also ship lldpcli (Vincent Bernat) - [3f3e636cfb45] redhat: add libedit-devel for RPM distros as well (Vincent Bernat) - [ef28b72f8069] debian: also add libedit-dev as a dependency (Vincent Bernat) - [e0da4f391e32] travis: add libedit-dev in the dependencies (Vincent Bernat) - [fdc876d63596] lldpcli: let libedit install its own signal handlers (SIGWINCH) (Vincent Bernat) - [95a17bbc07eb] Merge branch 'feature/1/cli' (Vincent Bernat) - [9cac8fed5db1] doc: fix doxygen warnings and don't parse include/linux (Vincent Bernat) - [68e382123271] configure: detect libedit without pkg-config (Vincent Bernat) - [40d50aa35cbb] build: no need to save CFLAGS LDFLAGS when testing libevent (Vincent Bernat) - [a8be34bae896] lldpcli: accept a command from the command line arguments (Vincent Bernat) - [9777261948ae] lldpcli: fix manual page about specifying ports. (Vincent Bernat) - [fe80711eda57] lldpcli: rename lldpctl to lldpcli. (Vincent Bernat) - [0a138003b697] lldpctl: remove "unconfigure" commands (not implemented) (Vincent Bernat) - [9a775667baec] lldpctl: add a CLI (Vincent Bernat) - [6fcf11caf862] lib: add a function to retrieve a map (Vincent Bernat) - [1a6df50ef4ce] lib: fix a memory leak when setting LLDP-MED ELIN number (Vincent Bernat) - [959a54d447eb] event: make levent_send_now() work again (Vincent Bernat) - [a0665efae40a] NEWS: add a word about detecting interface changes (Vincent Bernat) - [a4c33103e900] *bsd: listen on PF_ROUTE socket to get interface changes (Vincent Bernat) - [aa313f2a78c4] event: avoid socket leak if we cannot register netlink socket (Vincent Bernat) - [579bedd5494c] event: use a separate event timer for each port (Vincent Bernat) - [34e7d3573540] lldpd: remove unused `g_lastsent` (Vincent Bernat) - [47862f89afec] marshal: ensure that two identic structures are serialized in the same way (Vincent Bernat) - [2565eae6c19d] NEWS: add a word about NetBSD support (Vincent Bernat) - [c258a053f9bb] interfaces: correctly detect link down interfaces (Vincent Bernat) - [0484f180fafd] netlink: listen to netlink changes to trigger interface updates (Vincent Bernat) - [bfdc2a8c2b08] lldpd: cleanup phase is done in `update_local_ports()` (Vincent Bernat) - [281a5cd416ee] global: fix some issues detected by cppcheck (Vincent Bernat) - [1dfac34651aa] lib: use strlcpy and snprintf instead of strcpy and sprintf (Vincent Bernat) - [8a48b0132b9f] openbsd: add DMI information (Vincent Bernat) - [fc8ccb0fffa5] openbsd: don't use BIOCSSEESENT with OpenBSD (Vincent Bernat) - [4f266697a1a5] freebsd: add DMI support (Vincent Bernat) - [70c9cb05ff14] priv: open special call is only needed for Linux (Vincent Bernat) - [8dab56982450] Add NetBSD support. (Vincent Bernat) - [d60d0bd7c99f] interfaces: put the appropriate aggregation ID when an interface is enslaved (Vincent Bernat) - [fdabbf8ed7cd] ctl: fix previous partial commit about unix path max length (Vincent Bernat) - [f373225ac654] ctl: don't use a #define to define size, use sizeof() (Vincent Bernat) - [690b944cc01b] OpenBSD support. (Vincent Bernat) - [4e5f34c5231a] freebsd: make it compile and work on real FreeBSD systems (Vincent Bernat) - [63aebf55ecee] freebsd: link aggregation only works from FreeBSD 9.1. (Vincent Bernat) - [242845c75482] freebsd: correctly check if routing is enabled (Vincent Bernat) - [d56bb3bd6cf8] build: allow more modern coding style with empty initializers (Vincent Bernat) - [fda729fd1232] Add support for FreeBSD. (Vincent Bernat) - [22e8cd65738d] interfaces: sending/receiving on raw interfaces is OS specific (Vincent Bernat) - [88bc404fec75] interfaces: setting up raw interface with BPF filter is OS specific (Vincent Bernat) - [adbb6e54c36c] interfaces: abstraction of interfaces/devices (Vincent Bernat) - [2fafbd309cac] netlink: fix bogus alignment warnings (Vincent Bernat) - [2d1fe392f355] frame: mark with `(void)` when we don't check for result of PEEK/POKE (Vincent Bernat) - [072f743c2660] ctl: fix alignment issue (Vincent Bernat) - [0e940d8ddac5] marshal: respect GCC strict-aliasing rule (Vincent Bernat) - [184bd1993249] interfaces: disable the use of ioctl for bridges (Vincent Bernat) - [5d6aba3e3a87] build: ensure _GNU_SOURCE is defined early (Vincent Bernat) - [2516cfb1d6d4] build: ship a include/ directory (Vincent Bernat) - [c557a63b6a17] interfaces: harmonize arguments of detection functions (Vincent Bernat) - [3e2e693ca5ca] lldpd: fix debug message when discarding a received frame (Vincent Bernat) - [f6c4ca4b8f8c] interfaces: handle correctly VLAN inside VLAN inside bridges inside bonds (Vincent Bernat) - [e12c2365d18e] interfaces: switch to Netlink to gather interface-related information (Vincent Bernat) - [d902e68880f1] build: make autogen.sh a little bit more generic (Vincent Bernat) - [0ac0576e3b65] build: use a simplified autogen.sh script (Vincent Bernat) - [34e8e83f88f9] libevent: use a git submodule (Vincent Bernat) - [0dee00a2c59c] travis: workaround the fact that Travis images are not always up-to-date (Vincent Bernat) - [8b7150e4d936] lldpctl: new JSON output (Vincent Bernat) - [ee23a74f24a3] log: remove extra linefeeds from log_*() and fatal*() calls (Vincent Bernat) - [43b82d6eb660] NEWS: add a mention about the fact we can filter debug logs (Vincent Bernat) - [9e5d99d4ea52] log: add -D option to filter out debug logs (Vincent Bernat) - [6f8925bed5a1] log: convert LLOG_* to log_* and add more debug logs (Vincent Bernat) - [be6db89386e1] snmp: don't send traps when SNMP is not enabled (Vincent Bernat) - [26fa5d1793cf] log: prefix logs with a token to allow filtering (Vincent Bernat) - [c9429a4256d3] log: enhance logging output (Vincent Bernat) - [d889b7ce37a2] compile: remove a warning about uninitialized struct (Vincent Bernat) - [1e1409746c8d] Update to libevent 2.0.21. (Vincent Bernat) - [46baf62775ea] lldpd: add possibility to disable LLDP (Vincent Bernat) - [181351d6bfdd] lldp: fix parsing of LLDP pair control (Vincent Bernat) - [b2b9498cf7e4] build: don't use a comment at start of rule (unportable) (Vincent Bernat) - [e44320fdaacd] build: build an empty changelog if not available (Vincent Bernat) - [92b3c20a991b] redhat: don't build SNMP support on CentOS (Vincent Bernat) - [373ebf556453] lib: silent some compiler warning about unitialized value (Vincent Bernat) - [7e431dafbdb8] build: install ChangeLog in /usr/share/doc (Vincent Bernat) - [b21606074250] debian/redhat: update packaging (Vincent Bernat) - [ba93c521b3b2] interfaces: don't listen to enslaved interface until master interface has been configured (Vincent Bernat) - [6c5861233e6b] build: use AC_PROG_CC_C99 instead of -std=gnu99 (Vincent Bernat) - [2026447359d1] display: fix display of various Dot3 advertised links (Vincent Bernat) - [f793b28b330c] libevent: upgrade embedded copy to 2.0.20. (Vincent Bernat) - [5fa8eaa5917d] const: fix a type in LLDP_DOT3_MAU_100BASET2FD (Vincent Bernat) - [a254a33eff08] travis: use only two sets of configure options and check "distcheck" and "install" targets (Vincent Bernat) - [1e388a697bb8] build: fix compilation without LLDP MED (Vincent Bernat) 0.6.1 [2012-09-04 21:10:49 +0200]: - [a5cf540cbcf7] build: move manual page next to the source code (Vincent Bernat) - [ef9d4476b135] build: add author name and commit hash in generated changelog (Vincent Bernat) - [25de85a4f938] snmp: add lldpRemTablesChange notification (Vincent Bernat) - [14052b619757] lldpd: add proper insert/delete/ageout counters (Vincent Bernat) - [8843f1689739] general: use "TX interval" instead of "TX delay" to be more coherent with the MIB (Vincent Bernat) - [94d2efe55a26] doc: add appropriate titles to groups in lldpctl.h (Vincent Bernat) - [b1eceab615bf] doc: polish documentation of liblldpctl (Vincent Bernat) - [d79c3de4ed9a] tests: fix tests compilation (Vincent Bernat) - [011355532558] build: fix "make dist" (Vincent Bernat) - [47287a61f1ab] lldpctl: add the possibility to force lldpd to start the main loop now (Vincent Bernat) - [8729d69f28a7] lldpctl: allow to display global configuration of lldpd (Vincent Bernat) - [8ec333bd2826] lldpd: move configuration stuff into a dedicated structure (Vincent Bernat) - [e5b5db2463f0] lldpctl: just require access to the socket for actions, not root priv (Vincent Bernat) - [74e0080ed1a0] marshal: don't marshal the list of chassis (Vincent Bernat) - [0f957f3abc06] ctl: fix reception of several messages at once (Vincent Bernat) - [be9696919434] ctl: don't serialize notification if no client needs it (Vincent Bernat) - [82374540f765] ctl: increase maximum message size to 512 KB (Vincent Bernat) - [4e90a9e0b465] lldpctl: add a "-w" option to watch neighbor changes (Vincent Bernat) - [e0478a46c5c9] client: use libevent's bufferevent infrastructure to handle clients (Vincent Bernat) - [4b292b556534] Separate daemon and client code. Provide a client library. (Vincent Bernat) - [31093dd92095] dist: provide a complete changelog (Vincent Bernat) - [5fb6f53b1d9c] privsep: copy errno before sending it (Vincent Bernat) - [f00bebf686b0] redhat: properly restart lldpd on upgrade (Vincent Bernat) - [06f9c307dd73] snmp: remove extra '\n' at the end of SNMP log message (Vincent Bernat) - [198bbe4085ab] lldpd: demote "unable to guess" to debug (Vincent Bernat) - [595184b05260] lldpd: disable SIGPIPE signal (Vincent Bernat) - [c461e5dac8cd] configure: cleanup libevent integration (Vincent Bernat) - [96e49a40c6c0] Add a `-v` flag to just get version number. (Vincent Bernat) - [c882a2cf0c1e] State that the license is usually referred as the ISC license. (Vincent Bernat) - [2e91d1a1a0f9] lldpd: listen on Unix socket before forking (Vincent Bernat) 0.6.0 [2012-05-04 22:22:56 +0200]: - [eb8e3096a4fe] automake: libevent.la is not a convenience library (Vincent Bernat) - [2a836f02ede4] client: fix unused variable when LLDPMED support is not compiled (Vincent Bernat) - [01d467defd2f] marshal: use zero-sized array instead of flexible arrays (Vincent Bernat) - [5fd6695c090d] Don't mix declarations and statements. (Vincent Bernat) - [3685a1f74204] configure: don't check for SLIST_* stuff: we don't use them (Vincent Bernat) - [219c432e6df0] snmp: only call run_alarms() on SNMP timeouts (Vincent Bernat) - [dc20dd45edc3] configure: make ./autogen.sh non recursive (Vincent Bernat) - [223227c8f8d0] configure: use AC_PROG_CXX macro (Vincent Bernat) - [ea87eb6dc6cb] configure: always configure libevent to make "make dist" work (Vincent Bernat) - [257db8858ee7] ctl: no need to keep a list of active clients (Vincent Bernat) - [29fc2d4df9c0] Really ship libevent. (Vincent Bernat) - [e5c9465245e4] Ship an embedded copy of libevent. (Vincent Bernat) - [f9f801e050ec] configure: don't test for XML2 linking, useless (Vincent Bernat) - [19d42b5579ce] configure: remove old unwanted cruft (Vincent Bernat) - [75b15cd92ced] configure: drop dependency with libtool (Vincent Bernat) - [5b4cd8459dcb] configure: enable compilation of a libevent archive (Vincent Bernat) - [68b375c3eacc] Update changelog, travis and packaging for libevent (Vincent Bernat) - [d6e889b6888b] lldpd: switch to libevent loop (Vincent Bernat) - [1daca82702fb] configure: upgrade to libevent 2.x (Vincent Bernat) - [8beb9a73b624] Integration of libevent into the build system. (Vincent Bernat) - [b1f816cc30ec] lldpd: on exit, remove remote ports before removing local ones (Vincent Bernat) - [d938c51f1240] lldpd: fix chassis copy (Vincent Bernat) - [3f0d19bb5a7a] valgrind: initialize some buffers to make valgrind happy (Vincent Bernat) - [396cfdfee8b3] When running on valgrind, don't chroot or drop privileges (Vincent Bernat) - [ce05de5422c8] travis: add Travis CI link to README (Vincent Bernat) - [5345fe05fa8a] tests: when Dot3 feature is disabled, MFS is not transmitted (Vincent Bernat) - [f15d3950df21] Allow compilation without Dot1. (Vincent Bernat) - [3b5c1f554153] travis: use apt-get instead of aptitude (Vincent Bernat) - [998c1acbfe7f] travis: use provided configure argument (Vincent Bernat) - [fccbb8cb7f34] Integration with Travis CI (Vincent Bernat) - [d4e4c80427cf] mgmt: allow one to provide a pattern to specify management addresses (Vincent Bernat) - [2135cce18f63] Update CHANGELOG with entry about management addresses. (Vincent Bernat) - [af3caa3bab79] snmp: add support for IPv6 management addresses (Vincent Bernat) - [2eec55408cb9] snmp: fix SNMP support for management addresses (Vincent Bernat) - [c6a7d3e4a753] edp: ensure we don't add the same address over and over (Vincent Bernat) - [5fb27919d237] mgmt: free management addresses when freeing the chassis (Vincent Bernat) - [400c64838953] edp: steal IP addresses from the received chassis instead of copying them (Vincent Bernat) - [f1e5d0cd3a20] cdp: allow to send several IP addresses (Vincent Bernat) - [e6b36c8751d1] Support for multiple IPv4/IPv6 management addresses. (João Valverde) - [60e33aec988f] tests: fix location of .h files (they are in top_srcdir, not in top_builddir) (Vincent Bernat) - [a9317c745c46] lldpd: add a better error message when we cannot create the unix socket (Vincent Bernat) - [4593c0dc0124] configure: automatically compute version from git (Vincent Bernat) - [ba5116b5f59d] lldpd: add interface to message about unguessable frame type (Vincent Bernat) - [c520cb1446b2] lldpd: do not stay stuck in the receive loop (Vincent Bernat) - [350cd69596ae] snmp: better integration of SNMP logging subsystem (Vincent Bernat) - [d4afb919c2cb] cdp: allow to override value of platform TLV (Linux by default) (Vincent Bernat) - [617233512778] redhat: make the init script compatible with RHEL < 5 (Vincent Bernat) - [6578dc6a7cc8] marshal: circumvent cast alignment problems using memcpy (Vincent Bernat) - [0c0991d8ced8] tests: when comparing port ID and chassis ID, uses strncmp (Vincent Bernat) - [14c929401cf3] Use %zu for printf() when argument is of kind size_t. (Vincent Bernat) - [5339e725f4e7] Add a flag to specify which interfaces to use for chassis ID. (Vincent Bernat) - [b4ac808343b7] Change the way Chassis ID is assigned. (Vincent Bernat) - [566c635dd605] lldpd: remove unneeded forward declarations (Vincent Bernat) - [31ee070d4a0f] interfaces: remove unneeded forward declarations (Vincent Bernat) - [9c43aeb47ed9] lldpctl: add a flag to display hidden ports (Vincent Bernat) - [da92cd5754c3] Update CHANGELOG with actual changes from 0.5.6. (Vincent Bernat) - [2c86e3103159] Provide a .gitignore. (Vincent Bernat) - [0c79e036b012] Add missing lldpctl.h header file (Vincent Bernat) - [132d1e41c368] Use LIBADD instead of LDADD when appropriate. (Vincent Bernat) - [e49b274abcb2] Compilation fixes when disabling some part of lldpd (Vincent Bernat) - [f6d206319b2f] Major rewrite: rewrite lldpd/lldpctl communication mechanism (Vincent Bernat) - [6bf5e749dffa] marshal: fix list marshalling and various other changes (Vincent Bernat) - [4d1a5b391098] core: SMART_HIDDEN macro does not really need the configuration (Vincent Bernat) - [1e71c30bf070] Point to appropriate LLDP page on Wikipedia instead of disambiguation page. (Vincent Bernat) - [8d72aaa09c19] configure: fix an issue with netsnmp_enable_subagent detection (Vincent Bernat) - [305e061cbc5e] marshal: add a way to ignore a pointer (setting it to NULL) (Vincent Bernat) - [ca4ed9da4720] marshal: handle fixed-size strings (Vincent Bernat) - [da7811412516] marshal: allow to specify null-terminated strings (Vincent Bernat) - [5e73393be53d] marshal: use shorter macro names (Vincent Bernat) - [db3235553830] Add a new serialization engine. (Vincent Bernat) - [f3324c93b101] tests: only compile check_snmp if SNMP support is available (Vincent Bernat) - [f70081478cb1] snmp: ensure single inclusion of agent.h header (Vincent Bernat) - [4e22da4ce3a0] snmp: add unit tests (Vincent Bernat) - [902d0d2ecf34] tests: Simplify Makefile.am (Vincent Bernat) - [2da3280e895c] Start branch 0.6. (Vincent Bernat) - [077f76011035] snmp: factorisation of agent_h_*med*() functions (Vincent Bernat) - [14e9519eb3ec] snmp: factorisation of local/remote port handlers (Vincent Bernat) - [f645906c8361] snmp: factorisation of local/remote handlers (Vincent Bernat) - [e8c9b6bba8a8] snmp: use a header_*indexed function for local management address (Vincent Bernat) - [26836a43d2f2] snmp: rework indexing (Vincent Bernat) 0.5.7 [2012-02-29 23:14:41 +0100]: - [a8b66dd39ca5] lldpd: do not stay stuck in the receive loop (Vincent Bernat) - [c1232d59d6f3] Add previous change to changelog. (Vincent Bernat) - [314e1fe612f8] configure: fix an issue with netsnmp_enable_subagent detection (Vincent Bernat) 0.5.6 [2012-01-16 16:16:39 +0100]: - [ceb406ad5d4d] Next release for this branch is 0.5.6. (Vincent Bernat) - [3b3a1960916d] Continuation of the previous patch. (Vincent Bernat) - [58ebf59ee542] frame.h uses very generic memeber names that resusts in conflicts with other defines (Shuah Khan) - [51c72e7202ae] snmp: turn the "try next OID" code block into a macro to avoid errors (Vincent Bernat) - [a2606cac2d73] core: optimize BPF filter (Vincent Bernat) - [ab2d1c1f1ffa] configure: check more SNMP stuff. (Vincent Bernat) - [3bfd57f32cbf] Whitelisted driver is not a very informative information. Remove it. (Vincent Bernat) - [10935633f43a] Add a whitelist for some drivers (currently: dsa and veth) (Vincent Bernat) - [683b17107239] Don't send MFS equal to 0. (Vincent Bernat) - [edcce8ce3b1a] cdp: send native VLAN only with CDPv2 (Vincent Bernat) - [2a19e9ea23f5] cdp: send native VLAN TLV (Vincent Bernat) - [aff85bf3b248] cdp: allow reception of native vlan (Vincent Bernat) - [de4092b57aea] /trabmission/tranmission/ (Christopher Johnston) - [dc5e2a1dbb0e] Export TZ=/etc/localtime to fix timestamps. (Vincent Bernat) - [21d89e7d2119] Spelling corrections (Vincent Bernat) 0.5.5 [2011-11-06 10:24:28 +0100]: - [fbda1f9f672e] Fix a missing semi colon. (Vincent Bernat) - [cab1ed92266b] Prepare 0.5.5 release. (Vincent Bernat) - [5abfffc2ff65] Extend whitelist with possibility to blacklist. (Vincent Bernat) - [bf89e7e06467] Fix a segfault when neither /etc/os-release not lsb_release is available. (Vincent Bernat) - [a8818344897d] Don't pack struct hmsg since we are not able to do unaligned access on some archs. (Vincent Bernat) - [0265b1e5bdb0] dmi: only enable DMI for x86 platforms (Vincent Bernat) - [55606d4bf4a0] lldpd: Only grab DMI information once. (Vincent Bernat) - [1066729b4f27] snmp: use a 16-bit checksum, not a 15-bit one. (Vincent Bernat) - [fbb9deaa30a2] snmp: Dot1 PI support, contributed by Shuah Khan (Vincent Bernat) - [dccc6964d2b4] SNMP: Dot1 PPVID, PPVLAN and VLANID support, contributed by Shuah Khan (Vincent Bernat) - [de5ce8377899] [check] Add length when encoding Dot1 PI TLV (Vincent Bernat) - [bc99d796ad6f] IEEE 802.1 2005 TLV Unit tests (Shuah Khan) - [f17501b6de29] Add support of PPVID and PI in changelog (Vincent Bernat) - [69de42c471c9] [lldpctl] Fix PVID value when displaying VLANs. (Vincent Bernat) - [48acfcaf0861] Some fixes for PPVID and PI. (Vincent Bernat) - [5a9cb3db451a] [configure] Fix a typo in help message (Vincent Bernat) - [9757bfbcde09] IEEE 802.1 2005 TLV enhancement - PPVID and PI added (Shuah Khan) - [676d46b92d29] Fix - lldpd netsnmp sub-agent segfaults when null write_method is passed in (Shuah Khan) - [84e06882c89c] Fix key/value output was incorrect when an interface name contains a dot. (Vincent Bernat) - [e1933880be0d] cdp: Add CDP_CAP_HOST to outgoing CDP packets (Vincent Bernat) - [a9db9b440e10] lldpd: update software version to match man page (Dean Hamstead) - [0a36d97b918c] lldp: ensure that boolean values are really boolean (Vincent Bernat) - [126286825f6e] ifaddrs: remove unused variable (Vincent Bernat) 0.5.4 [2011-07-02 20:09:58 +0200]: - [c06e1135e27f] Release 0.5.4. (Vincent Bernat) - [ba85f9f40055] Add a way to specify which interfaces lldpd should listen to. (Vincent Bernat) - [195bb7a9c430] README is now README.md. Update Makefile.am. (Vincent Bernat) - [5f415bc72ea1] Remove an unused variable. (Vincent Bernat) - [e02afca4ee65] Add changelog entry for use of /etc/os-release (Vincent Bernat) - [ae87586a12ea] Add support to read /etc/os-release for system information. (Michael Tremer) - [514341259194] Update ISC license wording. (Vincent Bernat) - [00402c76dc26] Translate README into its markdown equivalent (Vincent Bernat) - [f226ec5da741] Suppress a new warning from GCC 4.5 (unused value). (Vincent Bernat) - [09721cce9a9e] Move 802.3af/802.3at changelog entry in the appropriate section. (Vincent Bernat) - [608cb51caa7d] Add support for 802.3at. (Vincent Bernat) - [5ee26cbadd30] Add changelog entries about 802.3af/Dot3 POE-MDI support. (Vincent Bernat) - [42ee7382e54a] Allow to set Dot3 POE-MDI TLV from lldpctl. (Vincent Bernat) - [befbdf892b0e] Add initial Dot3/802.3at support (Vincent Bernat) - [3fd015c03942] Move Dot3 MAC/Phy stuff into a separate structure. (Vincent Bernat) - [05eacc7ad702] Allow root to change configuration of lldpd when lldpctl has suid set (Vincent Bernat) 0.5.2 [2010-10-09 16:57:45 +0200]: - [edbf114ebe30] Prepare for release (0.5.2). (Vincent Bernat) - [33aa26d093e0] Add AM_MAINTAINER_MODE macro to configure.ac. (Vincent Bernat) - [3e549e5276dc] Add autogen.sh from buildconf. (Vincent Bernat) - [5e64a80e0c5b] Add receive-only mode switch "-r" to usage() (Vincent Bernat) - [537a8043c831] Add a receive-only mode with "-r" switch. (Vincent Bernat) - [6b41bbd35d40] Hide unwanted remote ports just after receiving information about them. (Vincent Bernat) - [8482abe91c08] More flexible smart mode and new default. (Vincent Bernat) - [afcb570e8bad] Fix AX_CFLAGS_GCC_OPTION to make it work with autoconf 2.67. (Vincent Bernat) - [e5c5ae41249f] Patch to keep wifi and bridge cap when updating chassis. (Vincent Bernat) - [a37f8fd665f3] Harden lldpd with the use of RELRO and NOW linker options. (Vincent Bernat) - [978364976bae] Reenable SNMP support on Fedora 13. (Vincent Bernat) - [d2879532e899] [lldpctl] Fix a spelling error (Vincent Bernat) - [93d25046b36b] Sync Debian packaging with official packaging. (Vincent Bernat) - [8e555861641d] Provide an initscript targetted at SuSE. (Vincent Bernat) - [d4eaf172a79a] Avoid linking lldpd to libxml2 and lldpctl to libnetsnmp. (Vincent Bernat) - [ee979e27b31b] net-snmp/agent/utils_func.h header is useless in agent_priv.c (Vincent Bernat) - [053d99780e66] Fix compilation with RHEL 5. (Vincent Bernat) - [d623a64a778a] Fix .spec for SuSE. (Vincent Bernat) - [7b166df3350d] Fix compilation on RHEL and Fedora 13. (Vincent Bernat) - [2ceb9bb73659] Be compatible with RHEL4. (Vincent Bernat) 0.5.1 [2010-06-10 17:09:03 +0200]: - [445cc3360175] Prepare for release. (Vincent Bernat) - [42b39485ea61] Add smart mode support. (Vincent Bernat) - [ea67aa3f120a] Revert "configure: try to use -Wl,--as-needed if possible" (Vincent Bernat) - [24f27a98b963] Add prototype for lldpd_get_lsb_release(). (Vincent Bernat) - [abcbb8205d2d] Group together related configuration information. (Vincent Bernat) - [c036b15d68ec] If available, use the output of lsb_release for system description. (Vincent Bernat) - [4ea508095301] Don't check CDP checksums. (Vincent Bernat) - [4969720835ba] Listen on VLAN using an appropriate BPF filter and VLAN decapsulation. (Vincent Bernat) - [0dced9547193] Remove "listen on VLAN" feature. (Vincent Bernat) - [01b911bccfa2] configure: try to use -Wl,--as-needed if possible (Vincent Bernat) - [20ffcb8e5e37] lldpd.spec: requires openssl since it is required by net-snmp (Vincent Bernat) - [44cd2bed8ee0] Make AM_SILENT_RULES optional. (Vincent Bernat) - [06db36081491] Fix additional alignment issues for ARM platform. (Vincent Bernat) - [dd098289040b] Fix an unaligned access when chassis ID is an IP address. (Vincent Bernat) - [2d2f913b8d83] Fix AC_CHECK_DECLS macro in configure.ac (Vincent Bernat) - [18c13faa4202] Don't try to guess FD_SETSIZE correct value when cross-compiling. (Vincent Bernat) - [5b3214aabd81] Revert "Blacklist VMWare interfaces (as per ticket #40)." (Vincent Bernat) - [91eb6d5df809] Blacklist VMWare interfaces (as per ticket #40). (Vincent Bernat) - [58fe61281715] Ignore interfaces with no queue. (Vincent Bernat) - [fde7a7ce13b5] Typo in usage string of lldpd (Vincent Bernat) - [0765b92dd357] Add an entry to the manual page for -S option. (Vincent Bernat) - [40ce835b083c] Add -S override. (Stig Thormodsrud) - [999509a3bdf6] Add a new output for lldpctl: keyvalue. (Vincent Bernat) - [8e44f2dca1e8] Add SNMP support of lldpXMedPoE stuff. (Vincent Bernat) - [4c0d271570c4] List MDI/PSE and MDI/PD as an available LLDP-MED capability for the chassis. (Vincent Bernat) - [a711a821317d] Update unittests for LLDP-MED POE-MDI TLV. (Vincent Bernat) - [0d6062891f66] Add a CHANGELOG entry about setting LLDP-MED POE-MDI from lldpctl. (Vincent Bernat) - [009ddd234e6e] Allow to set LLDP-MED POE-MDI TLV from lldpctl. (Vincent Bernat) - [6d08df0e25d0] Move LLDP-MED POE stuff into a dedicated structure. (Vincent Bernat) - [1dcd46651f69] Add SNMP support for lldpXMedRemLocationTable. (Vincent Bernat) - [83b86bbdfd83] Merge branch '38-lldpmed-network-policy' (Vincent Bernat) - [fd6aa9a3331b] Add SNMP support for lldpXMedLocMediaPolicyTable. (Vincent Bernat) - [fdbe55a6c1d7] Ensure that documentation is installed in the right place. (Vincent Bernat) - [cefbc419479e] Fix installation of CHANGELOG file in lldpd.spec. (Vincent Bernat) - [d8141686d862] Adapt unittests to consider LLDP-MED network policy TLV. (Vincent Bernat) - [40d6a8d28719] Add proper credit in CHANGELOG for network policy. (Vincent Bernat) - [858df54cb603] Add a CHANGELOG entry about setting network policy from lldpctl. (Vincent Bernat) - [b258db587f3e] Allow lldpctl to set both location and policy at the same time. (Vincent Bernat) - [86f24df3359c] Allow to set LLDP-MED network policy TLV from lldpctl. (Vincent Bernat) - [93108f71542c] Initialize changelog for 0.5.1. (Vincent Bernat) - [630b4134e8ca] Fix hang issue in select() loop with SNMP. (Vincent Bernat) - [0c877af0a363] Allow to force a protocol. (Vincent Bernat) - [b162b740d17a] Add specifically a "-h" switch for lldpd and lldpctl (Vincent Bernat) - [a8d659bd15b0] Add "format" option. (Vincent Bernat) - [8347587da1c2] Use some conditionals to display some command line options. (Vincent Bernat) - [531326167f0d] Add a summary of available options in usage() of lldpd and lldpctl (Vincent Bernat) 0.5.0 [2010-03-13 22:18:03 +0100]: - [c8851c73b1f7] Update README with the latest information (Vincent Bernat) - [7966933d3ff4] After displaying PVID, close the section tag. (Vincent Bernat) - [c3bab3edcb8e] Add XML support for Redhat as well. (Vincent Bernat) - [0c39338e283e] Compile with XML enabled for Debian. (Vincent Bernat) - [aadc99360ba5] Remove unused chassis in lldpd_cleanup() instead of lldpd_port_cleanup(). (Vincent Bernat) - [bc598c23dc61] Retrieve FD_SETSIZE in a sane environment. (Vincent Bernat) - [9df5ec3d7836] Increase refcount of the local chassis when a new port is created. (Vincent Bernat) - [4f6020424f33] Add a CHANGELOG entry for XML output functionality. (Vincent) - [a1c57ef29aca] Fix wrong age display. (Andreas Hofmeister) - [95e3bdf5fd03] Use LLOG_WARNX in xml_writer.c and remove superfluous newlines. (Andreas Hofmeister) - [3822145901cc] Add the text output label as "label" attribute to all xml elements. (Andreas Hofmeister) - [3c26500bef4f] Fix error handling in location data. (Andreas Hofmeister) - [1480ce745f23] Implement an XML writer. (Andreas Hofmeister) - [f4d33e6bf103] Implement a basic "writer" infrastructure to emit structured text. (Andreas Hofmeister) - [2e1ea85060c7] Rip display related stuff out of lldpctl and put into display.c (Andreas Hofmeister) - [72c00381999c] Avoid dereferencing a type-punned pointer. (Vincent) - [9898ac078def] Free unused chassis. (Vincent) - [a0aa43e90db3] Don't listen/send LLDP packets on bridge. (Vincent) - [8c37e19aa948] Do not require libtool 2.2 (Andreas Hofmeister) - [9a784fd2a506] Make lldpctl refuse attempts to change anything when running setuid. (Andreas Hofmeister) - [f5bc67eecf3e] Fix autoconf complains about libtool. (Andreas Hofmeister) - [740d517e1fd0] Add a manual page for the new -X option. (Vincent) - [bbea66e1caeb] Allow to specify the AgentX socket to use (instead of the default one). (Vincent) - [ed1e79270d94] Ensure that umask is set at a sensible value before building the chroot. (Vincent) - [c0ce5d1a2aee] For Redhat, adapt init.d script to initialize the chroot. (Vincent) - [9a79e6d59327] For Debian init.d, build the chroot before starting the daemon. (Vincent Bernat) - [53c653ea7e2f] Change handling of conditional builds in the spec file (Peter Kjellström) - [55d3f2f40f1f] Merge branch '30-vlanid-without-name' (Vincent Bernat) - [77c4d9d0fdf9] Don't set MFS with MTU value. (Vincent Bernat) - [be1f74526a8f] Display PVID even when we don't know its name. (Vincent Bernat) - [5bbe5fd0bb33] Cope with Port VLAN ID but no VLAN names. (Vincent Bernat) - [915dc28b79c1] Make netsnmp headers compatible with C99. (Vincent Bernat) - [fa835fd55383] Make lldpctl display the age of displayed information. (Vincent Bernat) - [45e89c8c483d] Add some additional GCC options by default. (Vincent Bernat) - [4b9a5a2384c8] Get timezone info before being in the chroot. (Vincent Bernat) - [2bd9c1c90069] Fix file descriptor leak when enabling "listen on VLAN" feature (Vincent Bernat) - [0d86e62fcff0] Reset "sent" flag for each port when sending. (Vincent Bernat) - [0bded8580cf7] Update CHANGELOG to reflect recent feature merges. (Vincent Bernat) - [b7eb76b70f92] Add CHANGELOG from 0.4.1. (Vincent Bernat) - [cefe8d058597] Merge branch '15-old-compat' (Vincent Bernat) - [114d1d31f635] Also ship CHANGELOG file (Vincent Bernat) - [35097709fa3f] Define ioctl for VLAN and bond. (Vincent Bernat) - [8f88ff70535d] Fix some warnings about incompatible pointer types. (Vincent Bernat) - [8e4b9031d9e3] Save cache at various points of configure script. (Vincent Bernat) - [b56625e6d81d] linux/filter.h may need linux/types on old systems. (Vincent Bernat) - [6bb9c4e01fd8] Add support for libc not defining __progname symbol. (Vincent Bernat) - [d38eae28a90e] Rework autoconf stuff. (Vincent Bernat) - [f0824c4aa5ec] Fix some warnings in tests. (Vincent Bernat) - [91a36cea4b32] Include manual pages into distribution. (Vincent Bernat) - [6f1046d1b9ee] Use "void" instead of empty parameter list for function prototypes. (Vincent Bernat) - [8e544ee42e4e] Use libtool convenience libraries for common files for lldpd and lldpctl. (Vincent Bernat) - [f0bd3505f46d] Replace index() by strchr() (Vincent Bernat) - [f4ed5af17ba1] When SYSFS_BRIDGE_* stuff does not exist, just use old /proc. (Vincent Bernat) - [563e2dfc9648] Compatibility with gcc 2.95.x: add spaces around __VA__ARGS__ (Vincent Bernat) - [f2af17b36fd6] More ethtool compatibility (Vincent Bernat) - [b5c7ce8d2c0a] Compilation fix for ancient gcc. (Vincent Bernat) - [de1b1b3a2bcb] Add '-k' flag to disable kernel version advertising. (Vincent Bernat) - [b9f4c12081cd] Bridge ioctls cannot be used with a 32bit userland on a 64bit kernel. (Vincent Bernat) - [586952454aee] Fix LSB header in provided Debian init.d script. (Vincent Bernat) - [e51da5ecd24d] Add missing argument in some call to LLOG_INFO in lldp.c. (Vincent Bernat) - [4b70c539e3f4] Do not include since we want to replace it. (Vincent Bernat) - [9b9b31beb950] Provide another getifaddrs implementation, stolen from USAGI project (Vincent Bernat) - [b79975281ed6] Add getifaddrs() replacement for system without it. (Vincent Bernat) - [4e26d88f8629] Remove *.pcap file on clean. (Vincent Bernat) - [d02bb4614416] Add unit tests for EDP (Vincent Bernat) - [5aa86a41befa] Add SONMP unit tests. (Vincent Bernat) - [e94742074999] Add CDP unit tests. (Vincent Bernat) - [4dc61015f57a] Move pcap stuff into a separate file to allow sharing with future tests. (Vincent Bernat) - [31375299d19d] Disable some tests when some features (dot1, dot3, lldpmed) are not enabled. (Vincent Bernat) - [9360858c8b83] fail_* macros do not break execution flow. (Vincent Bernat) - [654f6246b3a6] Add LLDP receive tests (Vincent Bernat) - [fedf4d777235] Add LLDP send tests. (Vincent Bernat) - [9d0a8a89f425] Add unit tests for lists packing/unpacking. (Vincent Bernat) - [2acc14181074] Unit tests for packing/unpacking. (Vincent Bernat) - [72dc524ebdfc] Update signature of transport string function for SNMP. (Vincent Bernat) - [a8db600793bb] Fix bug in CDP packet generation: CDP version was always 1. (Vincent Bernat) - [7a00807502e7] Fix compilation issues when DOT1 or DOT3 are not enabled. (Vincent Bernat) - [f8cb50faab34] Fix comment of iface_port_name_desc() (Vincent Bernat) - [36bd79e367cd] Use ifAlias from newer Linux kernels if available. (Vincent Bernat) - [44002d6615d6] Set h_ifindex correctly. (Vincent Bernat) - [77d7090e199a] Add a callback mechanism to watch for incoming data on sockets. (Vincent Bernat) - [692fe9bb4cee] Add a note about EDP in changelog. (Vincent Bernat) - [775d49a0c45d] Update changelog. (Vincent Bernat) - [993a6e50892d] Make "listen on vlan" feature optional at compile-time. (Vincent Bernat) - [cfe00f7f1a5b] There are duplicate in the list of address we give to handler functions. We need to acknowledge this correctly. (Vincent Bernat) - [6a2fa591c100] Add back "listen on VLAN" feature. (Vincent Bernat) - [5994b27db0fd] One VLAN can be associated to multiple interfaces through bridge or bond. Handle those cases appropriately. (Vincent Bernat) - [849954d702bf] Add back support for bonding using the new architecture. (Vincent Bernat) - [4e624dc2f10a] Don't free statically allocated port. (Vincent Bernat) - [6e75df87a63c] Change the way interface information are collected. (Vincent Bernat) - [16f910e12fe3] Move chassis update to a function. (Vincent Bernat) - [7a53c5b93838] Fix SNMP support to handle multiple systems on the same port. (Vincent Bernat) - [62c126aae146] Fix support for EDP with respect to multisystem support. EDP VLAN are transmitted in another VLAN and therefore need to be attached to the right existing system. (Vincent Bernat) - [f4c439022a95] Add some debug output to track know remote systems/ports. (Vincent Bernat) - [84853b9208a7] Adapt lldpctl to display received systems for each port. (Vincent Bernat) - [77507b697e3e] Handle reception of several different systems on each port. (Vincent Bernat) - [750687244970] Update lldpd.h to support a list of remote systems. (Vincent Bernat) - [f2dcb1804e2c] Simplify multiprotocols handling. Remove probing. This is not very usable for now but this will be enhanced when we will support multiple systems on the same port. (Vincent Bernat) - [0bc32943e99b] Suppress bond handling. This will be done in another way later. (Vincent Bernat) - [71936c67e6d4] Suppress "listen on vlan" feature. This will be reimplemented later in a more generic way. (Vincent Bernat) - [42bddd41f66d] When LLDP-MED is not enabled, do not send inventory. (Vincent Bernat) - [ef76f9200685] Keep gcc happy with 'const' keyword. With optimization -O0, gcc seems to handle more carefully 'const' keyword. (Vincent Bernat) - [98faedcfe8ba] Use chassis ID when sending EDP packets. (Vincent Bernat) - [7c11435e7fb8] Fix EDP vlan handling when there is no VLAN (Vincent Bernat) - [46daea614362] Remove misc/ directory. This directory is old junk code. (Vincent Bernat) - [777c32ead5a3] Fix the case where last change < start time. This case can happen if the master agent is restarted: lldpd last change will be before the start of the master agent. (Vincent Bernat) - [268191540251] Adapt .spec file to work with actual tar.gz. lldpd.init and lldpd.sysconfig should be shipped into src.rpm package. (Vincent Bernat) 0.4.2 [2010-03-10 22:29:37 +0100]: - [1c8b2a471115] Prepare 0.4.2 release (Vincent Bernat) - [a01d4f8c89f6] Use chassis ID when sending EDP packets. (Vincent Bernat) - [d7390a085b56] Bridge ioctls cannot be used with a 32bit userland on a 64bit kernel. (Vincent Bernat) - [af41b46ee95d] Ensure that umask is set at a sensible value before building the chroot. (Vincent) - [0d611979150b] For Redhat, adapt init.d script to initialize the chroot. (Vincent Bernat) - [cd0f174718ff] For Debian init.d, build the chroot before starting the daemon. (Vincent Bernat) - [0dd62c81a47e] Update changelog for future 0.4.2 version. (Vincent Bernat) - [65727e4a8f23] Don't free statically allocated port. (Vincent Bernat) 0.4.1 [2009-09-30 14:30:30 +0200]: - [a03e43af9ae2] Also ship CHANGELOG file (Vincent Bernat) - [cf1ea20a2db7] Update changelog for 0.4.1. (Vincent Bernat) - [fc4667f0e8e6] Prepare 0.4.1 release. (Vincent Bernat) - [6fa286928eac] Include manual pages into distribution. (Vincent Bernat) - [c3bdd0d81a68] Add missing argument in some call to LLOG_INFO in lldp.c. (Vincent Bernat) - [be685f6debbc] Fix bug in CDP packet generation: CDP version was always 1. (Vincent Bernat) - [cd697ad19a8f] Fix EDP vlan handling when there is no VLAN (Vincent Bernat) - [23d9c6bf9c79] Fix the case where last change < start time. This case can happen if the master agent is restarted: lldpd last change will be before the start of the master agent. (Vincent Bernat) 0.4.0 [2009-05-19 14:42:45 +0200]: - [accd4a6587b0] Update version in configure.ac (Vincent Bernat) - [45444847259e] If net-snmp/agent/struct.h does not exist, provide an empty one. (Vincent Bernat) - [3d6585f3ae56] Add init script for RPM (Vincent Bernat) - [edc4813f73b5] Enhance .spec. Enable SNMP support when building RPM. Create lldpd user/group. (Vincent Bernat) - [0f6eb1ee97a1] Fix URL and description to match Debian package. (Vincent Bernat) - [80530161402b] lldpd.spec for RPM package, contributed by Dean Hamstead. (Vincent Bernat) - [bac91719401f] Also check for VLAN on bridges. (Vincent Bernat) - [b29c23cc9cb0] Some virtual ethernet interfaces do not have IFF_MULTICAST flag. We use them if they have at least the IFF_BROADCAST flag. This is useful for Xen Dom0 to get LLDP information from DomU. (Vincent Bernat) - [a204514fa338] Fix a parsing error for link aggregation TLV in LLDP (Vincent Bernat) - [fe4a89de3873] Add missing frame.c (Vincent Bernat) - [a0edeaf8c46a] When cleaning up a port in the context of refreshing gathered information, don't clean LLDP-MED location information. However, when cleaning up a port for removal, clean them. (Vincent Bernat) - [bc08499a5e18] Fix LLDP-MED class type sending: it is 1 byte large, not 2. (Vincent Bernat) - [3d1337f37e8c] Fix alignment issue that may appear when reading 64bit integers. (Vincent Bernat) - [a8105c1b10d0] Major rewrite for packet builder and parser. (Vincent Bernat) - [70d8fe9813a0] Fix unaligned memory access in ctl.c using memcpy instead of pointer magic. This needs to be done on encoding/decoding too. (Vincent Bernat) - [c933faf61396] Call res_init in case of failure to resolv names (Vincent Bernat) 0.3.3 [2009-03-08 16:52:54 +0100]: - [40a7221cb407] Prepare release 0.3.3 with a patch backported from future 0.4. (Vincent Bernat) - [17a6a18d7eb5] When cleaning up a port in the context of refreshing gathered information, don't clean LLDP-MED location information. However, when cleaning up a port for removal, clean them. (Vincent Bernat) 0.3.2 [2009-03-02 16:07:06 +0100]: - [34602f3b1cdd] Fix lldpctl when LLDP-MED is enabled. Prepare new release. (Vincent Bernat) - [a80ca699de13] Fix warning when compiling without LLDP-MED (Vincent Bernat) 0.3.1 [2009-02-27 21:57:20 +0100]: - [d32c89440b0c] Prepare version 0.3.1 (Vincent Bernat) - [b7c1b7c2433a] Use memcpy instead of strlcpy when copying interface names to static buffers. (Vincent Bernat) - [63f4b177e9b9] When refreshing port information, clean up existing information! (Vincent Bernat) - [55d63368c919] Don't try to reset the interface when removing it (Vincent Bernat) - [4f758bc0080b] Fix double free for local ports (Vincent Bernat) - [d243d47d6362] Fix a memory leak that can happen when a port is removed or renamed (Vincent Bernat) - [ec1721712705] Don't free c_med_sw for local chassis. It is allocated and freed elsewhere. (Vincent Bernat) - [397dee69ccda] Fix an error when reading LLDP-MED packet (Vincent Bernat) - [517d524b6797] Fix a memory leak when using LLDP-MED (Vincent Bernat) - [44a843aad9c2] Lower log level for problem when getting bridge info (Vincent Bernat) - [e70b76f986e6] Also check if the interface is RUNNING before considering it active. (Vincent Bernat) - [7d58de887e4b] Merge branch 'master' of ssh://ace.luffy.cx/srv/git/lldpd (Vincent Bernat) - [d1d94791fd8a] Fix compilation when SONMP and EDP are disabled (Vincent Bernat) - [a15ddba7e50e] Don't output any warning when bridge support is not enabled at all. (Vincent Bernat) - [9ec6b11147c8] FDP seems to use a non-flawed checksum (Vincent Bernat) - [6d07eaeed80c] Don't compile FDP stuff if not needed. (Vincent Bernat) - [45e96f2e969c] Fix lldpctl to display capability bit "Router" (Vincent Bernat) - [bf5170882f45] Handle FDP capabilities (Vincent Bernat) - [8888d1917256] Use static for all not to be exported symbols (Vincent Bernat) - [740593ff7475] Move LLDP-MED location/policy to port instead of chassis. Handle setting of location in lldpctl instead of lldpd. (Vincent Bernat) - [4b7f39b1a3a8] Adding missing values for MAU type, thanks to James Lingard. (Vincent Bernat) - [d2012fb3ba6c] Fix compilation without EDP (Vincent Bernat) - [75b3469d012e] Handle reception and display of PVID (Vincent Bernat) - [748e05dff920] This is maximum frame size, not MTU (Vincent Bernat) - [548109b2074a] Add Maximum Frame Size support. For Linux, we just use MTU as MFS. (Vincent Bernat) 0.3 [2008-12-14 12:06:33 +0100]: - [de44f0685e11] Fix manual page (missing .El) (Vincent Bernat) - [9dbba5ae1996] Prepare new 0.3 version (Vincent Bernat) - [a09c32f77be1] Add a note about the fact that location option could be moved to lldpctl. This will be done when we can keep persistent data. (Vincent Bernat) - [7286246f5d43] Do not try to set media type network policy since its usefulness is near zero when not being able to set it differently on each port. Those kind of information should be set through SNMP. (Vincent Bernat) - [115ff55c3b71] Allow to send LLDP-MED location. (Vincent Bernat) - [c790233e521e] Accept too large TLV for LLDP (Vincent Bernat) - [ccea83b2194a] Allow to specify interfaces to display on lldpctl command line (Vincent Bernat) - [a806f67af4e7] Don't display management IP if there is none (Vincent Bernat) - [9d09937f2fad] Add SLIST support for libc not shipping it (like Sarge) (Vincent Bernat) - [1e379fe3d038] Fix parsing of LLDP-MED location, including display of altitude and datum. (Vincent Bernat) - [1be9e1b58f87] Export PSE/PD LLDP-MED stuff to SNMP (Vincent Bernat) - [4a2acc8ebb12] SNMP support for LLDP-MED location and network policy (Vincent Bernat) - [c1471068c468] Merge branch 'master' into lldpmed (Vincent Bernat) - [89590c8f0461] Padding and alignment is really the same thing. (Vincent Bernat) - [34261a93eb8e] Fix alignment problems. (Vincent Bernat) - [0d83ebaec154] Fix compilation on 32bits arch by using long long int constants. (Vincent Bernat) - [0c8f36f317b2] Rewrite structure packing to handle substructures correctly. There are still some problems... (Vincent Bernat) - [a9e9242e473e] Do not display autoneg stuff when we have nothing (Vincent Bernat) - [b5a6c4796eb3] Handle more gracefully DNS problems by keeping nodename (Vincent Bernat) - [a26fc61cbad1] Use 0:0:0:0:0:0 MAC address when sending on inactive slaves (Vincent Bernat) - [3cb138e01b8e] Simplify MAC address generation for enslaved inactive devices (Vincent Bernat) - [1d291522e96d] For enslaved devices, get the real MAC address from /proc/net/bonding (Vincent Bernat) - [d9be8ea0aa1a] Factorize out cleanup of lldpd_hardware structure (Vincent Bernat) - [4395f9c11b13] Do not share port id with interface MAC address (port id can be freed, while interface MAC address is staticaly allocated) (Vincent Bernat) - [f7db0dd82b3d] When sending on inactive slaves, use a random MAC address (Vincent Bernat) - [4982b8649d33] Display available capabilities instead of enabled capabilities (they are listed below) (Vincent Bernat) - [a49b3a79b616] Handle correctly MDI/PSE or PD capabilities (Vincent Bernat) - [994812b9b52e] Parse LLDP-MED MDI when receiving frames (Vincent Bernat) - [650cae58d9d1] Parse location for LLDP-MED. (Vincent Bernat) - [e3a44efb9d3c] Accept to receive several location and several network policy for LLDP-MED (Vincent Bernat) - [beeaefa353f0] Don't send anything on inactive slaves (this confuses most switches) (Vincent Bernat) - [4cff932d168b] Dump less information for LLDP-MED location data (Vincent Bernat) - [228fcecd43c9] Don't output too many new lines when displaying LLDP-MED information (Vincent Bernat) - [b530152e5269] Encode location data as data+len to enable use of 0 characters. (Vincent Bernat) - [fd6f5ab77560] Merge branch 'master' into lldpmed (Vincent Bernat) - [c0a395035d6c] Do not close control socket when there is an ethtool ioctl problem: we want to use it for future ioctl... (Vincent Bernat) - [40ecae87747e] Compute and handle correctly LLDP-MED capabilities (available and enabled) (Vincent Bernat) - [efe3f9b0fcb0] More LLDP-MED support, thanks to Michael Hanig. (Vincent Bernat) - [a700e935a122] Some equipments send empty TLV for optional TLV (Vincent Bernat) - [43655386247f] Complete changelog with recent changes (Vincent Bernat) - [7985ba6247d2] Add configuration switch to disable LLDP-MED inventory sending (Vincent Bernat) - [e809a587bb1a] Add an option to not send LLDP-MED inventory TLV (Vincent Bernat) - [1fea2128f426] Remove unneeded iface_is_bridged function (Vincent Bernat) - [c6df6eb9e060] Handle bridge in a different way using BRCTL_GET_BRIDGES instead of trying to ioctl all devices (Vincent Bernat) - [1531f7f30b16] More natural definition of packing macros (Vincent Bernat) - [d3322e2362d3] Use lldpd_*_cleanup() functions instead of manual free (Vincent Bernat) - [a1347cd86b43] Add a way to disable Dot1 and Dot3 (Vincent Bernat) - [72c4c96fdcba] Fix a typo when receiving LLDP-MED inventory asset id. (Vincent Bernat) - [44cbe5680871] Fix reception of LLDP-MED inventory: one byte was stripped (Vincent Bernat) - [b193e97e22c8] Update CHANGELOG and README to state that LLDP-MED is supported (Vincent Bernat) - [1d88c8434cc8] Add support for LLDP-MED retrieval through SNMP (Vincent Bernat) - [6772b2377970] Implement LLDP-MED reception and display (Vincent Bernat) - [89840df069d4] Start support of LLDP-MED: send support is implemented (Vincent Bernat) - [315587efa487] Move at the bottom of configure.ac the instructions to conditionaly compile additional protocols (Vincent Bernat) - [4bad19376291] Allow to compile only needed protocols (Vincent Bernat) - [bff3c98df955] Fix a bug happening when walking local management address part of the MIB (Vincent Bernat) - [52ac3f370b38] Add a word about the default (broken) NetSNMP installation. (Vincent Bernat) - [5ac76ebafe44] When unable to connect to SNMP socket, give a sensible error message (Vincent Bernat) - [90149ee346a2] When monitored process dies early, handle this case gracefully (Vincent Bernat) - [9aee81ae0466] Define ADVERTISED_(Asym_)?Pause if not defined in linux/ethtool.h (Vincent Bernat) 0.2.1 [2008-11-19 20:08:11 +0100]: - [ff1910c812a7] Prepare a new release (Vincent Bernat) - [0aa5f6766136] Fix open() calls (Vincent Bernat) - [461bd4909be4] Fix .Bl parameter in manual pages (Vincent Bernat) lldpd-1.0.18/get-version0000755000076400001440000000402714111362570014331 0ustar00bernatusers#!/bin/sh # # get-version # # Copyright © 2009 Guillem Jover # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # 3. The name of the author may not be used to endorse or promote products # derived from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, # INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY # AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL # THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; # OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. if [ -f .dist-version ]; then # Get the version from the file distributed in the tarball. version=$(cat .dist-version) elif [ -e .git ]; then # Ger the version from the git repository. version=$(git describe --tags --always --match [0-9]* 2> /dev/null) # Check if we are on a dirty checkout. git update-index --refresh -q >/dev/null dirty=$(git diff-index --name-only --ignore-submodules=untracked HEAD 2>/dev/null) if [ -n "$dirty" ]; then version="$version-dirty" fi else version=$(date +%F) fi # Use printf to avoid the trailing new line that m4_esyscmd would not handle. printf "$version" lldpd-1.0.18/doxygen.cfg0000644000076400001440000002436614213115375014311 0ustar00bernatusers# Doxyfile 1.7.6.1 #--------------------------------------------------------------------------- # Project related configuration options #--------------------------------------------------------------------------- DOXYFILE_ENCODING = UTF-8 PROJECT_NAME = $(PROJECT)-$(VERSION) PROJECT_NUMBER = PROJECT_BRIEF = PROJECT_LOGO = OUTPUT_DIRECTORY = $(DOCDIR) CREATE_SUBDIRS = NO OUTPUT_LANGUAGE = English BRIEF_MEMBER_DESC = YES REPEAT_BRIEF = YES ABBREVIATE_BRIEF = ALWAYS_DETAILED_SEC = NO INLINE_INHERITED_MEMB = NO FULL_PATH_NAMES = YES STRIP_FROM_PATH = $(SRCDIR) STRIP_FROM_INC_PATH = $(SRCDIR) SHORT_NAMES = NO JAVADOC_AUTOBRIEF = YES QT_AUTOBRIEF = NO MULTILINE_CPP_IS_BRIEF = NO INHERIT_DOCS = YES SEPARATE_MEMBER_PAGES = NO TAB_SIZE = 8 ALIASES = TCL_SUBST = OPTIMIZE_OUTPUT_FOR_C = YES OPTIMIZE_OUTPUT_JAVA = NO OPTIMIZE_FOR_FORTRAN = NO OPTIMIZE_OUTPUT_VHDL = NO EXTENSION_MAPPING = BUILTIN_STL_SUPPORT = NO CPP_CLI_SUPPORT = NO SIP_SUPPORT = NO IDL_PROPERTY_SUPPORT = YES DISTRIBUTE_GROUP_DOC = NO SUBGROUPING = YES INLINE_GROUPED_CLASSES = NO INLINE_SIMPLE_STRUCTS = NO TYPEDEF_HIDES_STRUCT = NO SYMBOL_CACHE_SIZE = 0 LOOKUP_CACHE_SIZE = 0 #--------------------------------------------------------------------------- # Build related configuration options #--------------------------------------------------------------------------- EXTRACT_ALL = YES EXTRACT_PRIVATE = NO EXTRACT_STATIC = NO EXTRACT_LOCAL_CLASSES = NO EXTRACT_LOCAL_METHODS = NO EXTRACT_ANON_NSPACES = NO HIDE_UNDOC_MEMBERS = NO HIDE_UNDOC_CLASSES = NO HIDE_FRIEND_COMPOUNDS = NO HIDE_IN_BODY_DOCS = NO INTERNAL_DOCS = NO CASE_SENSE_NAMES = YES HIDE_SCOPE_NAMES = NO SHOW_INCLUDE_FILES = YES FORCE_LOCAL_INCLUDES = NO INLINE_INFO = YES SORT_MEMBER_DOCS = YES SORT_BRIEF_DOCS = NO SORT_MEMBERS_CTORS_1ST = NO SORT_GROUP_NAMES = NO SORT_BY_SCOPE_NAME = NO STRICT_PROTO_MATCHING = NO GENERATE_TODOLIST = YES GENERATE_TESTLIST = YES GENERATE_BUGLIST = YES GENERATE_DEPRECATEDLIST= YES ENABLED_SECTIONS = MAX_INITIALIZER_LINES = 30 SHOW_USED_FILES = YES SHOW_FILES = YES SHOW_NAMESPACES = YES FILE_VERSION_FILTER = LAYOUT_FILE = CITE_BIB_FILES = #--------------------------------------------------------------------------- # configuration options related to warning and progress messages #--------------------------------------------------------------------------- QUIET = YES WARNINGS = YES WARN_IF_UNDOCUMENTED = YES WARN_IF_DOC_ERROR = YES WARN_NO_PARAMDOC = YES WARN_FORMAT = "$file:$line: $text" WARN_LOGFILE = #--------------------------------------------------------------------------- # configuration options related to the input files #--------------------------------------------------------------------------- INPUT = $(SRCDIR) INPUT_ENCODING = UTF-8 FILE_PATTERNS = *.c *.h RECURSIVE = YES EXCLUDE = config.h test-glue.h EXCLUDE_SYMLINKS = NO EXCLUDE_PATTERNS = */tests/* */libevent/* */build/* */include/linux/* *.git *.svn EXCLUDE_SYMBOLS = EXAMPLE_PATH = EXAMPLE_PATTERNS = EXAMPLE_RECURSIVE = NO IMAGE_PATH = INPUT_FILTER = FILTER_PATTERNS = FILTER_SOURCE_FILES = NO FILTER_SOURCE_PATTERNS = #--------------------------------------------------------------------------- # configuration options related to source browsing #--------------------------------------------------------------------------- SOURCE_BROWSER = NO INLINE_SOURCES = NO STRIP_CODE_COMMENTS = YES REFERENCED_BY_RELATION = NO REFERENCES_RELATION = NO REFERENCES_LINK_SOURCE = YES USE_HTAGS = NO VERBATIM_HEADERS = YES #--------------------------------------------------------------------------- # configuration options related to the alphabetical class index #--------------------------------------------------------------------------- ALPHABETICAL_INDEX = YES COLS_IN_ALPHA_INDEX = 5 IGNORE_PREFIX = #--------------------------------------------------------------------------- # configuration options related to the HTML output #--------------------------------------------------------------------------- GENERATE_HTML = $(GENERATE_HTML) HTML_OUTPUT = html HTML_FILE_EXTENSION = .html HTML_HEADER = HTML_FOOTER = HTML_STYLESHEET = HTML_EXTRA_FILES = HTML_COLORSTYLE_HUE = 220 HTML_COLORSTYLE_SAT = 100 HTML_COLORSTYLE_GAMMA = 80 HTML_TIMESTAMP = YES HTML_DYNAMIC_SECTIONS = NO GENERATE_DOCSET = NO DOCSET_FEEDNAME = "Doxygen generated docs" DOCSET_BUNDLE_ID = org.doxygen.Project DOCSET_PUBLISHER_ID = org.doxygen.Publisher DOCSET_PUBLISHER_NAME = Publisher GENERATE_HTMLHELP = $(GENERATE_CHM) CHM_FILE = ../$(PROJECT).chm HHC_LOCATION = $(HHC_PATH) GENERATE_CHI = $(GENERATE_CHI) CHM_INDEX_ENCODING = BINARY_TOC = NO TOC_EXPAND = NO GENERATE_QHP = NO QCH_FILE = QHP_NAMESPACE = org.doxygen.Project QHP_VIRTUAL_FOLDER = doc QHP_CUST_FILTER_NAME = QHP_CUST_FILTER_ATTRS = QHP_SECT_FILTER_ATTRS = QHG_LOCATION = GENERATE_ECLIPSEHELP = NO ECLIPSE_DOC_ID = org.doxygen.Project DISABLE_INDEX = NO GENERATE_TREEVIEW = NO ENUM_VALUES_PER_LINE = 4 TREEVIEW_WIDTH = 250 EXT_LINKS_IN_WINDOW = NO FORMULA_FONTSIZE = 10 FORMULA_TRANSPARENT = YES USE_MATHJAX = NO MATHJAX_RELPATH = http://www.mathjax.org/mathjax MATHJAX_EXTENSIONS = SEARCHENGINE = YES SERVER_BASED_SEARCH = NO #--------------------------------------------------------------------------- # 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Attempt to guess a canonical system name. # Copyright 1992-2022 Free Software Foundation, Inc. # shellcheck disable=SC2006,SC2268 # see below for rationale timestamp='2022-01-09' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # # Originally written by Per Bothner; maintained since 2000 by Ben Elliston. # # You can get the latest version of this script from: # https://git.savannah.gnu.org/cgit/config.git/plain/config.guess # # Please send patches to . # The "shellcheck disable" line above the timestamp inhibits complaints # about features and limitations of the classic Bourne shell that were # superseded or lifted in POSIX. 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The system name ranges from "MiNT" over "FreeMiNT" # to the lowercase version "mint" (or "freemint"). Finally # the system name "TOS" denotes a system which is actually not # MiNT. 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GUESS=romp-ibm-aix # uname -m gives an 8 hex-code CPU id ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i*86:AIX:*:*) GUESS=i386-ibm-aix ;; ia64:AIX:*:*) if test -x /usr/bin/oslevel ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=$UNAME_VERSION.$UNAME_RELEASE fi GUESS=$UNAME_MACHINE-ibm-aix$IBM_REV ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then set_cc_for_build sed 's/^ //' << EOF > "$dummy.c" #include main() { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` then GUESS=$SYSTEM_NAME else GUESS=rs6000-ibm-aix3.2.5 fi elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then GUESS=rs6000-ibm-aix3.2.4 else GUESS=rs6000-ibm-aix3.2 fi ;; *:AIX:*:[4567]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if test -x /usr/bin/lslpp ; then IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | \ awk -F: '{ print $3 }' | sed s/[0-9]*$/0/` else IBM_REV=$UNAME_VERSION.$UNAME_RELEASE fi GUESS=$IBM_ARCH-ibm-aix$IBM_REV ;; *:AIX:*:*) GUESS=rs6000-ibm-aix ;; ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*) GUESS=romp-ibm-bsd4.4 ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and GUESS=romp-ibm-bsd$UNAME_RELEASE # 4.3 with uname added to ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) GUESS=rs6000-bull-bosx ;; DPX/2?00:B.O.S.:*:*) GUESS=m68k-bull-sysv3 ;; 9000/[34]??:4.3bsd:1.*:*) GUESS=m68k-hp-bsd ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) GUESS=m68k-hp-bsd4.4 ;; 9000/[34678]??:HP-UX:*:*) HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'` case $UNAME_MACHINE in 9000/31?) HP_ARCH=m68000 ;; 9000/[34]??) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if test -x /usr/bin/getconf; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case $sc_cpu_version in 523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0 528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case $sc_kernel_bits in 32) HP_ARCH=hppa2.0n ;; 64) HP_ARCH=hppa2.0w ;; '') HP_ARCH=hppa2.0 ;; # HP-UX 10.20 esac ;; esac fi if test "$HP_ARCH" = ""; then set_cc_for_build sed 's/^ //' << EOF > "$dummy.c" #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if test "$HP_ARCH" = hppa2.0w then set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH=hppa2.0w else HP_ARCH=hppa64 fi fi GUESS=$HP_ARCH-hp-hpux$HPUX_REV ;; ia64:HP-UX:*:*) HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'` GUESS=ia64-hp-hpux$HPUX_REV ;; 3050*:HI-UX:*:*) set_cc_for_build sed 's/^ //' << EOF > "$dummy.c" #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` && { echo "$SYSTEM_NAME"; exit; } GUESS=unknown-hitachi-hiuxwe2 ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*) GUESS=hppa1.1-hp-bsd ;; 9000/8??:4.3bsd:*:*) GUESS=hppa1.0-hp-bsd ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) GUESS=hppa1.0-hp-mpeix ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*) GUESS=hppa1.1-hp-osf ;; hp8??:OSF1:*:*) GUESS=hppa1.0-hp-osf ;; i*86:OSF1:*:*) if test -x /usr/sbin/sysversion ; then GUESS=$UNAME_MACHINE-unknown-osf1mk else GUESS=$UNAME_MACHINE-unknown-osf1 fi ;; parisc*:Lites*:*:*) GUESS=hppa1.1-hp-lites ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) GUESS=c1-convex-bsd ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) GUESS=c34-convex-bsd ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) GUESS=c38-convex-bsd ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) GUESS=c4-convex-bsd ;; CRAY*Y-MP:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=ymp-cray-unicos$CRAY_REL ;; CRAY*[A-Z]90:*:*:*) echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=t90-cray-unicos$CRAY_REL ;; CRAY*T3E:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=alphaev5-cray-unicosmk$CRAY_REL ;; CRAY*SV1:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=sv1-cray-unicos$CRAY_REL ;; *:UNICOS/mp:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=craynv-cray-unicosmp$CRAY_REL ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'` GUESS=${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL} ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'` GUESS=sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL} ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) GUESS=$UNAME_MACHINE-pc-bsdi$UNAME_RELEASE ;; sparc*:BSD/OS:*:*) GUESS=sparc-unknown-bsdi$UNAME_RELEASE ;; *:BSD/OS:*:*) GUESS=$UNAME_MACHINE-unknown-bsdi$UNAME_RELEASE ;; arm:FreeBSD:*:*) UNAME_PROCESSOR=`uname -p` set_cc_for_build if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabi else FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabihf fi ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case $UNAME_PROCESSOR in amd64) UNAME_PROCESSOR=x86_64 ;; i386) UNAME_PROCESSOR=i586 ;; esac FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL ;; i*:CYGWIN*:*) GUESS=$UNAME_MACHINE-pc-cygwin ;; *:MINGW64*:*) GUESS=$UNAME_MACHINE-pc-mingw64 ;; *:MINGW*:*) GUESS=$UNAME_MACHINE-pc-mingw32 ;; *:MSYS*:*) GUESS=$UNAME_MACHINE-pc-msys ;; i*:PW*:*) GUESS=$UNAME_MACHINE-pc-pw32 ;; *:SerenityOS:*:*) GUESS=$UNAME_MACHINE-pc-serenity ;; *:Interix*:*) case $UNAME_MACHINE in x86) GUESS=i586-pc-interix$UNAME_RELEASE ;; authenticamd | genuineintel | EM64T) GUESS=x86_64-unknown-interix$UNAME_RELEASE ;; IA64) GUESS=ia64-unknown-interix$UNAME_RELEASE ;; esac ;; i*:UWIN*:*) GUESS=$UNAME_MACHINE-pc-uwin ;; amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) GUESS=x86_64-pc-cygwin ;; prep*:SunOS:5.*:*) SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'` GUESS=powerpcle-unknown-solaris2$SUN_REL ;; *:GNU:*:*) # the GNU system GNU_ARCH=`echo "$UNAME_MACHINE" | sed -e 's,[-/].*$,,'` GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's,/.*$,,'` GUESS=$GNU_ARCH-unknown-$LIBC$GNU_REL ;; *:GNU/*:*:*) # other systems with GNU libc and userland GNU_SYS=`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"` GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_MACHINE-unknown-$GNU_SYS$GNU_REL-$LIBC ;; *:Minix:*:*) GUESS=$UNAME_MACHINE-unknown-minix ;; aarch64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; aarch64_be:Linux:*:*) UNAME_MACHINE=aarch64_be GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; alpha:Linux:*:*) case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null` in EV5) UNAME_MACHINE=alphaev5 ;; EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC=gnulibc1 ; fi GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; arc:Linux:*:* | arceb:Linux:*:* | arc32:Linux:*:* | arc64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; arm*:Linux:*:*) set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then GUESS=$UNAME_MACHINE-unknown-linux-$LIBC else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabi else GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabihf fi fi ;; avr32*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; cris:Linux:*:*) GUESS=$UNAME_MACHINE-axis-linux-$LIBC ;; crisv32:Linux:*:*) GUESS=$UNAME_MACHINE-axis-linux-$LIBC ;; e2k:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; frv:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; hexagon:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; i*86:Linux:*:*) GUESS=$UNAME_MACHINE-pc-linux-$LIBC ;; ia64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; k1om:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; loongarch32:Linux:*:* | loongarch64:Linux:*:* | loongarchx32:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; m32r*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; m68*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; mips:Linux:*:* | mips64:Linux:*:*) set_cc_for_build IS_GLIBC=0 test x"${LIBC}" = xgnu && IS_GLIBC=1 sed 's/^ //' << EOF > "$dummy.c" #undef CPU #undef mips #undef mipsel #undef mips64 #undef mips64el #if ${IS_GLIBC} && defined(_ABI64) LIBCABI=gnuabi64 #else #if ${IS_GLIBC} && defined(_ABIN32) LIBCABI=gnuabin32 #else LIBCABI=${LIBC} #endif #endif #if ${IS_GLIBC} && defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6 CPU=mipsisa64r6 #else #if ${IS_GLIBC} && !defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6 CPU=mipsisa32r6 #else #if defined(__mips64) CPU=mips64 #else CPU=mips #endif #endif #endif #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) MIPS_ENDIAN=el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) MIPS_ENDIAN= #else MIPS_ENDIAN= #endif #endif EOF cc_set_vars=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU\|^MIPS_ENDIAN\|^LIBCABI'` eval "$cc_set_vars" test "x$CPU" != x && { echo "$CPU${MIPS_ENDIAN}-unknown-linux-$LIBCABI"; exit; } ;; mips64el:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; openrisc*:Linux:*:*) GUESS=or1k-unknown-linux-$LIBC ;; or32:Linux:*:* | or1k*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; padre:Linux:*:*) GUESS=sparc-unknown-linux-$LIBC ;; parisc64:Linux:*:* | hppa64:Linux:*:*) GUESS=hppa64-unknown-linux-$LIBC ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) GUESS=hppa1.1-unknown-linux-$LIBC ;; PA8*) GUESS=hppa2.0-unknown-linux-$LIBC ;; *) GUESS=hppa-unknown-linux-$LIBC ;; esac ;; ppc64:Linux:*:*) GUESS=powerpc64-unknown-linux-$LIBC ;; ppc:Linux:*:*) GUESS=powerpc-unknown-linux-$LIBC ;; ppc64le:Linux:*:*) GUESS=powerpc64le-unknown-linux-$LIBC ;; ppcle:Linux:*:*) GUESS=powerpcle-unknown-linux-$LIBC ;; riscv32:Linux:*:* | riscv32be:Linux:*:* | riscv64:Linux:*:* | riscv64be:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; s390:Linux:*:* | s390x:Linux:*:*) GUESS=$UNAME_MACHINE-ibm-linux-$LIBC ;; sh64*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; sh*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; sparc:Linux:*:* | sparc64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; tile*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; vax:Linux:*:*) GUESS=$UNAME_MACHINE-dec-linux-$LIBC ;; x86_64:Linux:*:*) set_cc_for_build LIBCABI=$LIBC if test "$CC_FOR_BUILD" != no_compiler_found; then if (echo '#ifdef __ILP32__'; echo IS_X32; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_X32 >/dev/null then LIBCABI=${LIBC}x32 fi fi GUESS=$UNAME_MACHINE-pc-linux-$LIBCABI ;; xtensa*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. GUESS=i386-sequent-sysv4 ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. GUESS=$UNAME_MACHINE-pc-sysv4.2uw$UNAME_VERSION ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. GUESS=$UNAME_MACHINE-pc-os2-emx ;; i*86:XTS-300:*:STOP) GUESS=$UNAME_MACHINE-unknown-stop ;; i*86:atheos:*:*) GUESS=$UNAME_MACHINE-unknown-atheos ;; i*86:syllable:*:*) GUESS=$UNAME_MACHINE-pc-syllable ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) GUESS=i386-unknown-lynxos$UNAME_RELEASE ;; i*86:*DOS:*:*) GUESS=$UNAME_MACHINE-pc-msdosdjgpp ;; i*86:*:4.*:*) UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then GUESS=$UNAME_MACHINE-univel-sysv$UNAME_REL else GUESS=$UNAME_MACHINE-pc-sysv$UNAME_REL fi ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac GUESS=$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 GUESS=$UNAME_MACHINE-pc-sco$UNAME_REL else GUESS=$UNAME_MACHINE-pc-sysv32 fi ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configure will decide that # this is a cross-build. GUESS=i586-pc-msdosdjgpp ;; Intel:Mach:3*:*) GUESS=i386-pc-mach3 ;; paragon:*:*:*) GUESS=i860-intel-osf1 ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then GUESS=i860-stardent-sysv$UNAME_RELEASE # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. GUESS=i860-unknown-sysv$UNAME_RELEASE # Unknown i860-SVR4 fi ;; mini*:CTIX:SYS*5:*) # "miniframe" GUESS=m68010-convergent-sysv ;; mc68k:UNIX:SYSTEM5:3.51m) GUESS=m68k-convergent-sysv ;; M680?0:D-NIX:5.3:*) GUESS=m68k-diab-dnix ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) GUESS=m68k-unknown-lynxos$UNAME_RELEASE ;; mc68030:UNIX_System_V:4.*:*) GUESS=m68k-atari-sysv4 ;; TSUNAMI:LynxOS:2.*:*) GUESS=sparc-unknown-lynxos$UNAME_RELEASE ;; rs6000:LynxOS:2.*:*) GUESS=rs6000-unknown-lynxos$UNAME_RELEASE ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) GUESS=powerpc-unknown-lynxos$UNAME_RELEASE ;; SM[BE]S:UNIX_SV:*:*) GUESS=mips-dde-sysv$UNAME_RELEASE ;; RM*:ReliantUNIX-*:*:*) GUESS=mips-sni-sysv4 ;; RM*:SINIX-*:*:*) GUESS=mips-sni-sysv4 ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` GUESS=$UNAME_MACHINE-sni-sysv4 else GUESS=ns32k-sni-sysv fi ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says GUESS=i586-unisys-sysv4 ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm GUESS=hppa1.1-stratus-sysv4 ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. GUESS=i860-stratus-sysv4 ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. GUESS=$UNAME_MACHINE-stratus-vos ;; *:VOS:*:*) # From Paul.Green@stratus.com. GUESS=hppa1.1-stratus-vos ;; mc68*:A/UX:*:*) GUESS=m68k-apple-aux$UNAME_RELEASE ;; news*:NEWS-OS:6*:*) GUESS=mips-sony-newsos6 ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if test -d /usr/nec; then GUESS=mips-nec-sysv$UNAME_RELEASE else GUESS=mips-unknown-sysv$UNAME_RELEASE fi ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. GUESS=powerpc-be-beos ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. GUESS=powerpc-apple-beos ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. GUESS=i586-pc-beos ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. GUESS=i586-pc-haiku ;; x86_64:Haiku:*:*) GUESS=x86_64-unknown-haiku ;; SX-4:SUPER-UX:*:*) GUESS=sx4-nec-superux$UNAME_RELEASE ;; SX-5:SUPER-UX:*:*) GUESS=sx5-nec-superux$UNAME_RELEASE ;; SX-6:SUPER-UX:*:*) GUESS=sx6-nec-superux$UNAME_RELEASE ;; SX-7:SUPER-UX:*:*) GUESS=sx7-nec-superux$UNAME_RELEASE ;; SX-8:SUPER-UX:*:*) GUESS=sx8-nec-superux$UNAME_RELEASE ;; SX-8R:SUPER-UX:*:*) GUESS=sx8r-nec-superux$UNAME_RELEASE ;; SX-ACE:SUPER-UX:*:*) GUESS=sxace-nec-superux$UNAME_RELEASE ;; Power*:Rhapsody:*:*) GUESS=powerpc-apple-rhapsody$UNAME_RELEASE ;; *:Rhapsody:*:*) GUESS=$UNAME_MACHINE-apple-rhapsody$UNAME_RELEASE ;; arm64:Darwin:*:*) GUESS=aarch64-apple-darwin$UNAME_RELEASE ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` case $UNAME_PROCESSOR in unknown) UNAME_PROCESSOR=powerpc ;; esac if command -v xcode-select > /dev/null 2> /dev/null && \ ! xcode-select --print-path > /dev/null 2> /dev/null ; then # Avoid executing cc if there is no toolchain installed as # cc will be a stub that puts up a graphical alert # prompting the user to install developer tools. CC_FOR_BUILD=no_compiler_found else set_cc_for_build fi if test "$CC_FOR_BUILD" != no_compiler_found; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then case $UNAME_PROCESSOR in i386) UNAME_PROCESSOR=x86_64 ;; powerpc) UNAME_PROCESSOR=powerpc64 ;; esac fi # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_PPC >/dev/null then UNAME_PROCESSOR=powerpc fi elif test "$UNAME_PROCESSOR" = i386 ; then # uname -m returns i386 or x86_64 UNAME_PROCESSOR=$UNAME_MACHINE fi GUESS=$UNAME_PROCESSOR-apple-darwin$UNAME_RELEASE ;; *:procnto*:*:* | *:QNX:[0123456789]*:*) UNAME_PROCESSOR=`uname -p` if test "$UNAME_PROCESSOR" = x86; then UNAME_PROCESSOR=i386 UNAME_MACHINE=pc fi GUESS=$UNAME_PROCESSOR-$UNAME_MACHINE-nto-qnx$UNAME_RELEASE ;; *:QNX:*:4*) GUESS=i386-pc-qnx ;; NEO-*:NONSTOP_KERNEL:*:*) GUESS=neo-tandem-nsk$UNAME_RELEASE ;; NSE-*:NONSTOP_KERNEL:*:*) GUESS=nse-tandem-nsk$UNAME_RELEASE ;; NSR-*:NONSTOP_KERNEL:*:*) GUESS=nsr-tandem-nsk$UNAME_RELEASE ;; NSV-*:NONSTOP_KERNEL:*:*) GUESS=nsv-tandem-nsk$UNAME_RELEASE ;; NSX-*:NONSTOP_KERNEL:*:*) GUESS=nsx-tandem-nsk$UNAME_RELEASE ;; *:NonStop-UX:*:*) GUESS=mips-compaq-nonstopux ;; BS2000:POSIX*:*:*) GUESS=bs2000-siemens-sysv ;; DS/*:UNIX_System_V:*:*) GUESS=$UNAME_MACHINE-$UNAME_SYSTEM-$UNAME_RELEASE ;; *:Plan9:*:*) # "uname -m" is not consistent, so use $cputype instead. 386 # is converted to i386 for consistency with other x86 # operating systems. if test "${cputype-}" = 386; then UNAME_MACHINE=i386 elif test "x${cputype-}" != x; then UNAME_MACHINE=$cputype fi GUESS=$UNAME_MACHINE-unknown-plan9 ;; *:TOPS-10:*:*) GUESS=pdp10-unknown-tops10 ;; *:TENEX:*:*) GUESS=pdp10-unknown-tenex ;; KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) GUESS=pdp10-dec-tops20 ;; XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) GUESS=pdp10-xkl-tops20 ;; *:TOPS-20:*:*) GUESS=pdp10-unknown-tops20 ;; *:ITS:*:*) GUESS=pdp10-unknown-its ;; SEI:*:*:SEIUX) GUESS=mips-sei-seiux$UNAME_RELEASE ;; *:DragonFly:*:*) DRAGONFLY_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_MACHINE-unknown-dragonfly$DRAGONFLY_REL ;; *:*VMS:*:*) UNAME_MACHINE=`(uname -p) 2>/dev/null` case $UNAME_MACHINE in A*) GUESS=alpha-dec-vms ;; I*) GUESS=ia64-dec-vms ;; V*) GUESS=vax-dec-vms ;; esac ;; *:XENIX:*:SysV) GUESS=i386-pc-xenix ;; i*86:skyos:*:*) SKYOS_REL=`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'` GUESS=$UNAME_MACHINE-pc-skyos$SKYOS_REL ;; i*86:rdos:*:*) GUESS=$UNAME_MACHINE-pc-rdos ;; i*86:Fiwix:*:*) GUESS=$UNAME_MACHINE-pc-fiwix ;; *:AROS:*:*) GUESS=$UNAME_MACHINE-unknown-aros ;; x86_64:VMkernel:*:*) GUESS=$UNAME_MACHINE-unknown-esx ;; amd64:Isilon\ OneFS:*:*) GUESS=x86_64-unknown-onefs ;; *:Unleashed:*:*) GUESS=$UNAME_MACHINE-unknown-unleashed$UNAME_RELEASE ;; esac # Do we have a guess based on uname results? if test "x$GUESS" != x; then echo "$GUESS" exit fi # No uname command or uname output not recognized. set_cc_for_build cat > "$dummy.c" < #include #endif #if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__) #if defined (vax) || defined (__vax) || defined (__vax__) || defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__) #include #if defined(_SIZE_T_) || defined(SIGLOST) #include #endif #endif #endif main () { #if defined (sony) #if defined (MIPSEB) /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, I don't know.... */ printf ("mips-sony-bsd\n"); exit (0); #else #include printf ("m68k-sony-newsos%s\n", #ifdef NEWSOS4 "4" #else "" #endif ); exit (0); #endif #endif #if defined (NeXT) #if !defined (__ARCHITECTURE__) #define __ARCHITECTURE__ "m68k" #endif int version; version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; if (version < 4) printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); else printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); exit (0); #endif #if defined (MULTIMAX) || defined (n16) #if defined (UMAXV) printf ("ns32k-encore-sysv\n"); exit (0); #else #if defined (CMU) printf ("ns32k-encore-mach\n"); exit (0); #else printf ("ns32k-encore-bsd\n"); exit (0); #endif #endif #endif #if defined (__386BSD__) printf ("i386-pc-bsd\n"); exit (0); #endif #if defined (sequent) #if defined (i386) printf ("i386-sequent-dynix\n"); exit (0); #endif #if defined (ns32000) printf ("ns32k-sequent-dynix\n"); exit (0); #endif #endif #if defined (_SEQUENT_) struct utsname un; uname(&un); if (strncmp(un.version, "V2", 2) == 0) { printf ("i386-sequent-ptx2\n"); exit (0); } if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ printf ("i386-sequent-ptx1\n"); exit (0); } printf ("i386-sequent-ptx\n"); exit (0); #endif #if defined (vax) #if !defined (ultrix) #include #if defined (BSD) #if BSD == 43 printf ("vax-dec-bsd4.3\n"); exit (0); #else #if BSD == 199006 printf ("vax-dec-bsd4.3reno\n"); exit (0); #else printf ("vax-dec-bsd\n"); exit (0); #endif #endif #else printf ("vax-dec-bsd\n"); exit (0); #endif #else #if defined(_SIZE_T_) || defined(SIGLOST) struct utsname un; uname (&un); printf ("vax-dec-ultrix%s\n", un.release); exit (0); #else printf ("vax-dec-ultrix\n"); exit (0); #endif #endif #endif #if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__) #if defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__) #if defined(_SIZE_T_) || defined(SIGLOST) struct utsname *un; uname (&un); printf ("mips-dec-ultrix%s\n", un.release); exit (0); #else printf ("mips-dec-ultrix\n"); exit (0); #endif #endif #endif #if defined (alliant) && defined (i860) printf ("i860-alliant-bsd\n"); exit (0); #endif exit (1); } EOF $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=`"$dummy"` && { echo "$SYSTEM_NAME"; exit; } # Apollos put the system type in the environment. test -d /usr/apollo && { echo "$ISP-apollo-$SYSTYPE"; exit; } echo "$0: unable to guess system type" >&2 case $UNAME_MACHINE:$UNAME_SYSTEM in mips:Linux | mips64:Linux) # If we got here on MIPS GNU/Linux, output extra information. cat >&2 <&2 <&2 </dev/null || echo unknown` uname -r = `(uname -r) 2>/dev/null || echo unknown` uname -s = `(uname -s) 2>/dev/null || echo unknown` uname -v = `(uname -v) 2>/dev/null || echo unknown` /usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` /bin/uname -X = `(/bin/uname -X) 2>/dev/null` hostinfo = `(hostinfo) 2>/dev/null` /bin/universe = `(/bin/universe) 2>/dev/null` /usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` /bin/arch = `(/bin/arch) 2>/dev/null` /usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` UNAME_MACHINE = "$UNAME_MACHINE" UNAME_RELEASE = "$UNAME_RELEASE" UNAME_SYSTEM = "$UNAME_SYSTEM" UNAME_VERSION = "$UNAME_VERSION" EOF fi exit 1 # Local variables: # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: lldpd-1.0.18/autogen.sh0000755000076400001440000000475714212471274014160 0ustar00bernatusers#!/bin/sh set -e [ ! -e .gitmodules ] || [ ! -e .git ] || { echo "autogen.sh: updating git submodules" git submodule init git submodule update } case "$(uname)" in Darwin) LIBTOOLIZE=${LIBTOOLIZE:-glibtoolize} ;; *) LIBTOOLIZE=${LIBTOOLIZE:-libtoolize} ;; esac AUTORECONF=${AUTORECONF:-autoreconf} ACLOCAL=${ACLOCAL:-aclocal} AUTOCONF=${AUTOCONF:-autoconf} AUTOHEADER=${AUTOHEADER:-autoheader} AUTOMAKE=${AUTOMAKE:-automake} # Check we have all tools installed check_command() { command -v "${1}" > /dev/null 2>&1 || { >&2 echo "autogen.sh: could not find \`$1'. \`$1' is required to run autogen.sh." exit 1 } } check_command "$LIBTOOLIZE" check_command "$AUTORECONF" check_command "$ACLOCAL" check_command "$AUTOCONF" check_command "$AUTOHEADER" check_command "$AUTOMAKE" # Absence of pkg-config or misconfiguration can make some odd error # messages, we check if it is installed correctly. See: # https://blogs.oracle.com/mandy/entry/autoconf_weirdness # # We cannot just check for pkg-config command, we need to check for # PKG_* macros. The pkg-config command can be defined in ./configure, # we cannot tell anything when not present. check_pkg_config() { grep -q '^AC_DEFUN.*PKG_CHECK_MODULES' aclocal.m4 || { cat <&2 autogen.sh: could not find PKG_CHECK_MODULES macro. Either pkg-config is not installed on your system or \`pkg.m4' is missing or not found by aclocal. If \`pkg.m4' is installed at an unusual location, re-run \`autogen.sh' by setting \`ACLOCAL_FLAGS': ACLOCAL_FLAGS="-I /share/aclocal" ./autogen.sh EOF exit 1 } } echo "autogen.sh: start libtoolize to get ltmain.sh" ${LIBTOOLIZE} --copy --force echo "autogen.sh: reconfigure with autoreconf" ${AUTORECONF} -vif -I m4 || { echo "autogen.sh: autoreconf has failed ($?), let's do it manually" for dir in $PWD *; do [ -d "$dir" ] || continue [ -f "$dir"/configure.ac ] || [ -f "$dir"/configure.in ] || continue echo "autogen.sh: configure `basename $dir`" (cd "$dir" && ${ACLOCAL} -I m4 ${ACLOCAL_FLAGS}) if [ x"$dir" = x"$PWD" ]; then (cd "$dir" && check_pkg_config) fi (cd "$dir" && ${LIBTOOLIZE} --automake --copy --force) (cd "$dir" && ${ACLOCAL} -I m4 ${ACLOCAL_FLAGS}) (cd "$dir" && ${AUTOCONF} --force) (cd "$dir" && ${AUTOHEADER}) (cd "$dir" && ${AUTOMAKE} --add-missing --copy --force-missing) done } echo "autogen.sh: for the next step, run ./configure" exit 0 lldpd-1.0.18/config.sub0000755000076400001440000010511614550773312014134 0ustar00bernatusers#! /bin/sh # Configuration validation subroutine script. # Copyright 1992-2022 Free Software Foundation, Inc. # shellcheck disable=SC2006,SC2268 # see below for rationale timestamp='2022-01-03' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # Please send patches to . # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # https://git.savannah.gnu.org/cgit/config.git/plain/config.sub # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. # The "shellcheck disable" line above the timestamp inhibits complaints # about features and limitations of the classic Bourne shell that were # superseded or lifted in POSIX. However, this script identifies a wide # variety of pre-POSIX systems that do not have POSIX shells at all, and # even some reasonably current systems (Solaris 10 as case-in-point) still # have a pre-POSIX /bin/sh. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS Canonicalize a configuration name. Options: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright 1992-2022 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" >&2 exit 1 ;; *local*) # First pass through any local machine types. echo "$1" exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Split fields of configuration type # shellcheck disable=SC2162 saved_IFS=$IFS IFS="-" read field1 field2 field3 field4 <&2 exit 1 ;; *-*-*-*) basic_machine=$field1-$field2 basic_os=$field3-$field4 ;; *-*-*) # Ambiguous whether COMPANY is present, or skipped and KERNEL-OS is two # parts maybe_os=$field2-$field3 case $maybe_os in nto-qnx* | linux-* | uclinux-uclibc* \ | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* \ | netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \ | storm-chaos* | os2-emx* | rtmk-nova*) basic_machine=$field1 basic_os=$maybe_os ;; android-linux) basic_machine=$field1-unknown basic_os=linux-android ;; *) basic_machine=$field1-$field2 basic_os=$field3 ;; esac ;; *-*) # A lone config we happen to match not fitting any pattern case $field1-$field2 in decstation-3100) basic_machine=mips-dec basic_os= ;; *-*) # Second component is usually, but not always the OS case $field2 in # Prevent following clause from handling this valid os sun*os*) basic_machine=$field1 basic_os=$field2 ;; zephyr*) basic_machine=$field1-unknown basic_os=$field2 ;; # Manufacturers dec* | mips* | sequent* | encore* | pc533* | sgi* | sony* \ | att* | 7300* | 3300* | delta* | motorola* | sun[234]* \ | unicom* | ibm* | next | hp | isi* | apollo | altos* \ | convergent* | ncr* | news | 32* | 3600* | 3100* \ | hitachi* | c[123]* | convex* | sun | crds | omron* | dg \ | ultra | tti* | harris | dolphin | highlevel | gould \ | cbm | ns | masscomp | apple | axis | knuth | cray \ | microblaze* | sim | cisco \ | oki | wec | wrs | winbond) basic_machine=$field1-$field2 basic_os= ;; *) basic_machine=$field1 basic_os=$field2 ;; esac ;; esac ;; *) # Convert single-component short-hands not valid as part of # multi-component configurations. case $field1 in 386bsd) basic_machine=i386-pc basic_os=bsd ;; a29khif) basic_machine=a29k-amd basic_os=udi ;; adobe68k) basic_machine=m68010-adobe basic_os=scout ;; alliant) basic_machine=fx80-alliant basic_os= ;; altos | altos3068) basic_machine=m68k-altos basic_os= ;; am29k) basic_machine=a29k-none basic_os=bsd ;; amdahl) basic_machine=580-amdahl basic_os=sysv ;; amiga) basic_machine=m68k-unknown basic_os= ;; amigaos | amigados) basic_machine=m68k-unknown basic_os=amigaos ;; amigaunix | amix) basic_machine=m68k-unknown basic_os=sysv4 ;; apollo68) basic_machine=m68k-apollo basic_os=sysv ;; apollo68bsd) basic_machine=m68k-apollo basic_os=bsd ;; aros) basic_machine=i386-pc basic_os=aros ;; aux) basic_machine=m68k-apple basic_os=aux ;; balance) basic_machine=ns32k-sequent basic_os=dynix ;; blackfin) basic_machine=bfin-unknown basic_os=linux ;; 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mvs) basic_machine=i370-ibm basic_os=mvs ;; nacl) basic_machine=le32-unknown basic_os=nacl ;; ncr3000) basic_machine=i486-ncr basic_os=sysv4 ;; netbsd386) basic_machine=i386-pc basic_os=netbsd ;; netwinder) basic_machine=armv4l-rebel basic_os=linux ;; news | news700 | news800 | news900) basic_machine=m68k-sony basic_os=newsos ;; news1000) basic_machine=m68030-sony basic_os=newsos ;; necv70) basic_machine=v70-nec basic_os=sysv ;; nh3000) basic_machine=m68k-harris basic_os=cxux ;; nh[45]000) basic_machine=m88k-harris basic_os=cxux ;; nindy960) basic_machine=i960-intel basic_os=nindy ;; mon960) basic_machine=i960-intel basic_os=mon960 ;; nonstopux) basic_machine=mips-compaq basic_os=nonstopux ;; os400) basic_machine=powerpc-ibm basic_os=os400 ;; OSE68000 | ose68000) basic_machine=m68000-ericsson basic_os=ose ;; os68k) basic_machine=m68k-none basic_os=os68k ;; paragon) basic_machine=i860-intel basic_os=osf ;; parisc) basic_machine=hppa-unknown basic_os=linux ;; psp) basic_machine=mipsallegrexel-sony basic_os=psp ;; pw32) basic_machine=i586-unknown basic_os=pw32 ;; rdos | rdos64) basic_machine=x86_64-pc basic_os=rdos ;; rdos32) basic_machine=i386-pc basic_os=rdos ;; rom68k) basic_machine=m68k-rom68k basic_os=coff ;; sa29200) basic_machine=a29k-amd basic_os=udi ;; sei) basic_machine=mips-sei basic_os=seiux ;; sequent) basic_machine=i386-sequent basic_os= ;; sps7) basic_machine=m68k-bull basic_os=sysv2 ;; st2000) basic_machine=m68k-tandem basic_os= ;; stratus) basic_machine=i860-stratus basic_os=sysv4 ;; sun2) basic_machine=m68000-sun basic_os= ;; sun2os3) basic_machine=m68000-sun basic_os=sunos3 ;; sun2os4) basic_machine=m68000-sun basic_os=sunos4 ;; sun3) basic_machine=m68k-sun basic_os= ;; sun3os3) basic_machine=m68k-sun basic_os=sunos3 ;; sun3os4) basic_machine=m68k-sun basic_os=sunos4 ;; sun4) basic_machine=sparc-sun basic_os= ;; sun4os3) basic_machine=sparc-sun basic_os=sunos3 ;; sun4os4) basic_machine=sparc-sun basic_os=sunos4 ;; sun4sol2) basic_machine=sparc-sun basic_os=solaris2 ;; sun386 | sun386i | roadrunner) basic_machine=i386-sun basic_os= ;; sv1) basic_machine=sv1-cray basic_os=unicos ;; symmetry) basic_machine=i386-sequent basic_os=dynix ;; t3e) basic_machine=alphaev5-cray basic_os=unicos ;; t90) basic_machine=t90-cray basic_os=unicos ;; toad1) basic_machine=pdp10-xkl basic_os=tops20 ;; tpf) basic_machine=s390x-ibm basic_os=tpf ;; udi29k) basic_machine=a29k-amd basic_os=udi ;; ultra3) basic_machine=a29k-nyu basic_os=sym1 ;; v810 | necv810) basic_machine=v810-nec basic_os=none ;; vaxv) basic_machine=vax-dec basic_os=sysv ;; vms) basic_machine=vax-dec basic_os=vms ;; vsta) basic_machine=i386-pc basic_os=vsta ;; vxworks960) basic_machine=i960-wrs basic_os=vxworks ;; vxworks68) basic_machine=m68k-wrs basic_os=vxworks ;; vxworks29k) basic_machine=a29k-wrs basic_os=vxworks ;; xbox) basic_machine=i686-pc basic_os=mingw32 ;; ymp) basic_machine=ymp-cray basic_os=unicos ;; *) basic_machine=$1 basic_os= ;; esac ;; esac # Decode 1-component or ad-hoc basic machines case $basic_machine in # Here we handle the default manufacturer of certain CPU types. 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fx2800) cpu=i860 vendor=alliant ;; genix) cpu=ns32k vendor=ns ;; h3050r* | hiux*) cpu=hppa1.1 vendor=hitachi basic_os=hiuxwe2 ;; hp3k9[0-9][0-9] | hp9[0-9][0-9]) cpu=hppa1.0 vendor=hp ;; hp9k2[0-9][0-9] | hp9k31[0-9]) cpu=m68000 vendor=hp ;; hp9k3[2-9][0-9]) cpu=m68k vendor=hp ;; hp9k6[0-9][0-9] | hp6[0-9][0-9]) cpu=hppa1.0 vendor=hp ;; hp9k7[0-79][0-9] | hp7[0-79][0-9]) cpu=hppa1.1 vendor=hp ;; hp9k78[0-9] | hp78[0-9]) # FIXME: really hppa2.0-hp cpu=hppa1.1 vendor=hp ;; hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) # FIXME: really hppa2.0-hp cpu=hppa1.1 vendor=hp ;; hp9k8[0-9][13679] | hp8[0-9][13679]) cpu=hppa1.1 vendor=hp ;; hp9k8[0-9][0-9] | hp8[0-9][0-9]) cpu=hppa1.0 vendor=hp ;; i*86v32) cpu=`echo "$1" | sed -e 's/86.*/86/'` vendor=pc basic_os=sysv32 ;; i*86v4*) cpu=`echo "$1" | sed -e 's/86.*/86/'` vendor=pc basic_os=sysv4 ;; i*86v) cpu=`echo "$1" | sed -e 's/86.*/86/'` vendor=pc basic_os=sysv ;; i*86sol2) cpu=`echo "$1" | sed -e 's/86.*/86/'` vendor=pc basic_os=solaris2 ;; j90 | j90-cray) cpu=j90 vendor=cray basic_os=${basic_os:-unicos} ;; iris | iris4d) cpu=mips vendor=sgi case $basic_os in irix*) ;; *) basic_os=irix4 ;; esac ;; miniframe) cpu=m68000 vendor=convergent ;; *mint | mint[0-9]* | *MiNT | *MiNT[0-9]*) cpu=m68k vendor=atari basic_os=mint ;; news-3600 | risc-news) cpu=mips vendor=sony basic_os=newsos ;; next | m*-next) cpu=m68k vendor=next case $basic_os in openstep*) ;; nextstep*) ;; ns2*) basic_os=nextstep2 ;; *) basic_os=nextstep3 ;; esac ;; np1) cpu=np1 vendor=gould ;; op50n-* | op60c-*) cpu=hppa1.1 vendor=oki basic_os=proelf ;; pa-hitachi) cpu=hppa1.1 vendor=hitachi basic_os=hiuxwe2 ;; pbd) cpu=sparc vendor=tti ;; pbb) cpu=m68k vendor=tti ;; pc532) cpu=ns32k vendor=pc532 ;; pn) cpu=pn vendor=gould ;; power) cpu=power vendor=ibm ;; ps2) cpu=i386 vendor=ibm ;; rm[46]00) cpu=mips vendor=siemens ;; rtpc | rtpc-*) cpu=romp vendor=ibm ;; sde) cpu=mipsisa32 vendor=sde basic_os=${basic_os:-elf} ;; simso-wrs) cpu=sparclite vendor=wrs basic_os=vxworks ;; tower | tower-32) cpu=m68k vendor=ncr ;; vpp*|vx|vx-*) cpu=f301 vendor=fujitsu ;; w65) cpu=w65 vendor=wdc ;; w89k-*) cpu=hppa1.1 vendor=winbond basic_os=proelf ;; none) cpu=none vendor=none ;; leon|leon[3-9]) cpu=sparc vendor=$basic_machine ;; leon-*|leon[3-9]-*) cpu=sparc vendor=`echo "$basic_machine" | sed 's/-.*//'` ;; *-*) # shellcheck disable=SC2162 saved_IFS=$IFS IFS="-" read cpu vendor <&2 exit 1 ;; esac ;; esac # Here we canonicalize certain aliases for manufacturers. case $vendor in digital*) vendor=dec ;; commodore*) vendor=cbm ;; *) ;; esac # Decode manufacturer-specific aliases for certain operating systems. if test x$basic_os != x then # First recognize some ad-hoc cases, or perhaps split kernel-os, or else just # set os. case $basic_os in gnu/linux*) kernel=linux os=`echo "$basic_os" | sed -e 's|gnu/linux|gnu|'` ;; os2-emx) kernel=os2 os=`echo "$basic_os" | sed -e 's|os2-emx|emx|'` ;; nto-qnx*) kernel=nto os=`echo "$basic_os" | sed -e 's|nto-qnx|qnx|'` ;; *-*) # shellcheck disable=SC2162 saved_IFS=$IFS IFS="-" read kernel os <&2 exit 1 ;; esac # As a final step for OS-related things, validate the OS-kernel combination # (given a valid OS), if there is a kernel. case $kernel-$os in linux-gnu* | linux-dietlibc* | linux-android* | linux-newlib* \ | linux-musl* | linux-relibc* | linux-uclibc* ) ;; uclinux-uclibc* ) ;; -dietlibc* | -newlib* | -musl* | -relibc* | -uclibc* ) # These are just libc implementations, not actual OSes, and thus # require a kernel. echo "Invalid configuration \`$1': libc \`$os' needs explicit kernel." 1>&2 exit 1 ;; kfreebsd*-gnu* | kopensolaris*-gnu*) ;; vxworks-simlinux | vxworks-simwindows | vxworks-spe) ;; nto-qnx*) ;; os2-emx) ;; *-eabi* | *-gnueabi*) ;; -*) # Blank kernel with real OS is always fine. ;; *-*) echo "Invalid configuration \`$1': Kernel \`$kernel' not known to work with OS \`$os'." 1>&2 exit 1 ;; esac # Here we handle the case where we know the os, and the CPU type, but not the # manufacturer. We pick the logical manufacturer. case $vendor in unknown) case $cpu-$os in *-riscix*) vendor=acorn ;; *-sunos*) vendor=sun ;; *-cnk* | *-aix*) vendor=ibm ;; *-beos*) vendor=be ;; *-hpux*) vendor=hp ;; *-mpeix*) vendor=hp ;; *-hiux*) vendor=hitachi ;; *-unos*) vendor=crds ;; *-dgux*) vendor=dg ;; *-luna*) vendor=omron ;; *-genix*) vendor=ns ;; *-clix*) vendor=intergraph ;; *-mvs* | *-opened*) vendor=ibm ;; *-os400*) vendor=ibm ;; s390-* | s390x-*) vendor=ibm ;; *-ptx*) vendor=sequent ;; *-tpf*) vendor=ibm ;; *-vxsim* | *-vxworks* | *-windiss*) vendor=wrs ;; *-aux*) vendor=apple ;; *-hms*) vendor=hitachi ;; *-mpw* | *-macos*) vendor=apple ;; *-*mint | *-mint[0-9]* | *-*MiNT | *-MiNT[0-9]*) vendor=atari ;; *-vos*) vendor=stratus ;; esac ;; esac echo "$cpu-$vendor-${kernel:+$kernel-}$os" exit # Local variables: # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: lldpd-1.0.18/src/0000755000076400001440000000000014550773325012740 5ustar00bernatuserslldpd-1.0.18/src/client/0000755000076400001440000000000014550773325014216 5ustar00bernatuserslldpd-1.0.18/src/client/xml_writer.c0000644000076400001440000000744014532716672016565 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2010 Andreas Hofmeister * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #if defined(__clang__) # pragma clang diagnostic push # pragma clang diagnostic ignored "-Wdocumentation" #endif #include #include #if defined(__clang__) # pragma clang diagnostic pop #endif #include "writer.h" #include "../log.h" struct xml_writer_private { FILE *fh; ssize_t depth; xmlTextWriterPtr xw; xmlDocPtr doc; }; static void xml_new_writer(struct xml_writer_private *priv) { priv->xw = xmlNewTextWriterDoc(&(priv->doc), 0); if (!priv->xw) fatalx("lldpctl", "cannot create xml writer"); xmlTextWriterSetIndent(priv->xw, 4); if (xmlTextWriterStartDocument(priv->xw, NULL, "UTF-8", NULL) < 0) fatalx("lldpctl", "cannot start xml document"); } static void xml_start(struct writer *w, const char *tag, const char *descr) { struct xml_writer_private *p = w->priv; if (p->depth == 0) xml_new_writer(p); if (xmlTextWriterStartElement(p->xw, BAD_CAST tag) < 0) log_warnx("lldpctl", "cannot start '%s' element", tag); if (descr && (strlen(descr) > 0)) { if (xmlTextWriterWriteFormatAttribute(p->xw, BAD_CAST "label", "%s", descr) < 0) log_warnx("lldpctl", "cannot add attribute 'label' to element %s", tag); } p->depth++; } static void xml_attr(struct writer *w, const char *tag, const char *descr, const char *value) { struct xml_writer_private *p = w->priv; if (xmlTextWriterWriteFormatAttribute(p->xw, BAD_CAST tag, "%s", value ? value : "") < 0) log_warnx("lldpctl", "cannot add attribute %s with value %s", tag, value ? value : "(none)"); } static void xml_data(struct writer *w, const char *data) { struct xml_writer_private *p = w->priv; if (xmlTextWriterWriteString(p->xw, BAD_CAST(data ? data : "")) < 0) log_warnx("lldpctl", "cannot add '%s' as data to element", data ? data : "(none)"); } static void xml_end(struct writer *w) { struct xml_writer_private *p = w->priv; if (xmlTextWriterEndElement(p->xw) < 0) log_warnx("lldpctl", "cannot end element"); if (--p->depth == 0) { int failed = 0; if (xmlTextWriterEndDocument(p->xw) < 0) { log_warnx("lldpctl", "cannot finish document"); failed = 1; } xmlFreeTextWriter(p->xw); if (!failed) { xmlDocDump(p->fh, p->doc); fflush(p->fh); } xmlFreeDoc(p->doc); } } static void xml_finish(struct writer *w) { struct xml_writer_private *p = w->priv; if (p->depth != 0) { log_warnx("lldpctl", "unbalanced tags"); /* memory leak... */ } free(p); free(w); } struct writer * xml_init(FILE *fh) { struct writer *result; struct xml_writer_private *priv; priv = malloc(sizeof(*priv)); if (!priv) { fatalx("lldpctl", "out of memory"); return NULL; } priv->fh = fh; priv->depth = 0; result = malloc(sizeof(struct writer)); if (!result) fatalx("lldpctl", "out of memory"); result->priv = priv; result->start = xml_start; result->attr = xml_attr; result->data = xml_data; 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install-html-am install-info \ install-info-am install-man install-man8 install-pdf \ install-pdf-am install-ps install-ps-am install-sbinPROGRAMS \ install-strip installcheck installcheck-am installdirs \ maintainer-clean maintainer-clean-generic mostlyclean \ mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \ uninstall-dist_bashcompletionDATA uninstall-dist_lldpdconfDATA \ uninstall-dist_zshcompletionDATA uninstall-local uninstall-man \ uninstall-man8 uninstall-sbinPROGRAMS .PRECIOUS: Makefile install-exec-local: lldpcli cd $(DESTDIR)$(sbindir) && rm -f lldpctl cd $(DESTDIR)$(sbindir) && $(LN_S) lldpcli lldpctl uninstall-local: cd $(DESTDIR)$(sbindir) && rm -f lldpctl lldpcli.8: lldpcli.8.in $(TEMPLATES): Makefile $(AM_V_GEN)$(MKDIR_P) $(@D) && $(edit) $(srcdir)/$@.in > $@.tmp && mv $@.tmp $@ # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: lldpd-1.0.18/src/client/lldpctl.80000644000076400001440000000002314111362571015726 0ustar00bernatusers.so man8/lldpcli.8 lldpd-1.0.18/src/client/lldpcli.c0000644000076400001440000003561114532716672016015 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "client.h" #ifdef HAVE___PROGNAME extern const char *__progname; #else # define __progname "lldpcli" #endif /* Global for completion */ static struct cmd_node *root = NULL; const char *ctlname = NULL; static int is_lldpctl(const char *name) { static int last_result = -1; if (last_result == -1 && name) { char *basec = strdup(name); if (!basec) return 0; char *bname = basename(basec); last_result = (!strcmp(bname, "lldpctl")); free(basec); } return (last_result == -1) ? 0 : last_result; } static void usage() { fprintf(stderr, "Usage: %s [OPTIONS ...] [COMMAND ...]\n", __progname); fprintf(stderr, "Version: %s\n", PACKAGE_STRING); fprintf(stderr, "\n"); fprintf(stderr, "-d Enable more debugging information.\n"); fprintf(stderr, "-u socket Specify the Unix-domain socket used for communication with lldpd(8).\n"); fprintf(stderr, "-f format Choose output format (plain, keyvalue, json, json0" #if defined USE_XML ", xml" #endif ").\n"); if (!is_lldpctl(NULL)) fprintf(stderr, "-c conf Read the provided configuration file.\n"); fprintf(stderr, "\n"); fprintf(stderr, "See manual page lldpcli(8) for more information\n"); exit(1); } static int is_privileged() { /* Check we can access the control socket with read/write * privileges. The `access()` function uses the real UID and real GID, * therefore we don't have to mangle with our identity. */ return (ctlname && access(ctlname, R_OK | W_OK) == 0); } static const char * prompt() { #define CESC "\033" int privileged = is_privileged(); if (isatty(STDIN_FILENO)) { if (privileged) return "[lldpcli] # "; return "[lldpcli] $ "; } return ""; } static int must_exit = 0; /** * Exit the interpreter. */ static int cmd_exit(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_info("lldpctl", "quit lldpcli"); must_exit = 1; return 1; } /** * Send an "update" request. */ static int cmd_update(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_info("lldpctl", "ask for global update"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } if (lldpctl_atom_set_int(config, lldpctl_k_config_tx_interval, -1) == NULL) { log_warnx("lldpctl", "unable to ask lldpd for immediate retransmission. %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "immediate retransmission requested successfully"); lldpctl_atom_dec_ref(config); return 1; } /** * Pause or resume execution of lldpd. * * @param conn The connection to lldpd. * @param pause 1 if we want to pause lldpd, 0 otherwise * @return 1 on success, 0 on error */ static int cmd_pause_resume(lldpctl_conn_t *conn, int pause) { lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } if (lldpctl_atom_get_int(config, lldpctl_k_config_paused) == pause) { log_debug("lldpctl", "lldpd is already %s", pause ? "paused" : "resumed"); lldpctl_atom_dec_ref(config); return 1; } if (lldpctl_atom_set_int(config, lldpctl_k_config_paused, pause) == NULL) { log_warnx("lldpctl", "unable to ask lldpd to %s operations. %s", pause ? "pause" : "resume", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "lldpd should %s operations", pause ? "pause" : "resume"); lldpctl_atom_dec_ref(config); return 1; } static int cmd_pause(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { (void)w; (void)env; return cmd_pause_resume(conn, 1); } static int cmd_resume(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { (void)w; (void)env; return cmd_pause_resume(conn, 0); } #ifdef HAVE_LIBREADLINE static int _cmd_complete(int all) { char **argv = NULL; int argc = 0; int rc = 1; size_t len = strlen(rl_line_buffer); char *line = malloc(len + 2); if (!line) return -1; strlcpy(line, rl_line_buffer, len + 2); line[rl_point] = 2; /* empty character, will force a word */ line[rl_point + 1] = 0; if (tokenize_line(line, &argc, &argv) != 0) goto end; char *compl = commands_complete(root, argc, (const char **)argv, all, is_privileged()); if (compl &&strlen(argv[argc - 1]) < strlen(compl )) { if (rl_insert_text(compl +strlen(argv[argc - 1])) < 0) { free(compl ); goto end; } free(compl ); rc = 0; goto end; } /* No completion or several completion available. */ free(compl ); fprintf(stderr, "\n"); rl_forced_update_display(); rc = 0; end: free(line); tokenize_free(argc, argv); return rc; } static int cmd_complete(int count, int ch) { return _cmd_complete(0); } static int cmd_help(int count, int ch) { return _cmd_complete(1); } #else static char * readline(const char *p) { static char line[2048]; fprintf(stderr, "%s", p); fflush(stderr); if (fgets(line, sizeof(line) - 2, stdin) == NULL) return NULL; return strdup(line); } #endif /** * Execute a tokenized command and display its output. * * @param conn The connection to lldpd. * @param fmt Output format. * @param argc Number of arguments. * @param argv Array of arguments. * @return 0 if an error occurred, 1 otherwise */ static int cmd_exec(lldpctl_conn_t *conn, const char *fmt, int argc, const char **argv) { /* Init output formatter */ struct writer *w; if (strcmp(fmt, "plain") == 0) w = txt_init(stdout); else if (strcmp(fmt, "keyvalue") == 0) w = kv_init(stdout); else if (strcmp(fmt, "json") == 0) w = json_init(stdout, 1); else if (strcmp(fmt, "json0") == 0) w = json_init(stdout, 0); #ifdef USE_XML else if (strcmp(fmt, "xml") == 0) w = xml_init(stdout); #endif else { log_warnx("lldpctl", "unknown output format \"%s\"", fmt); w = txt_init(stdout); } /* Execute command */ int rc = commands_execute(conn, w, root, argc, argv, is_privileged()); if (rc != 0) { log_info("lldpctl", "an error occurred while executing last command"); w->finish(w); return 0; } w->finish(w); return 1; } /** * Execute a command line and display its output. * * @param conn The connection to lldpd. * @param fmt Output format. * @param line Line to execute. * @return -1 if an error occurred, 0 if nothing was executed. 1 otherwise. */ static int parse_and_exec(lldpctl_conn_t *conn, const char *fmt, const char *line) { int cargc = 0; char **cargv = NULL; int n; log_debug("lldpctl", "tokenize command line"); n = tokenize_line(line, &cargc, &cargv); switch (n) { case -1: log_warnx("lldpctl", "internal error while tokenizing"); return -1; case 1: log_warnx("lldpctl", "unmatched quotes"); return -1; } if (cargc != 0) n = cmd_exec(conn, fmt, cargc, (const char **)cargv); tokenize_free(cargc, cargv); return (cargc == 0) ? 0 : (n == 0) ? -1 : 1; } static struct cmd_node * register_commands() { root = commands_root(); register_commands_show(root); register_commands_watch(root); commands_new(commands_privileged(commands_new(root, "update", "Update information and send LLDPU on all ports", NULL, NULL, NULL)), NEWLINE, "Update information and send LLDPU on all ports", NULL, cmd_update, NULL); register_commands_configure(root); commands_hidden(commands_new(root, "complete", "Get possible completions from a given command", NULL, cmd_store_env_and_pop, "complete")); commands_new(root, "help", "Get help on a possible command", NULL, cmd_store_env_and_pop, "help"); commands_new(commands_new(root, "pause", "Pause lldpd operations", NULL, NULL, NULL), NEWLINE, "Pause lldpd operations", NULL, cmd_pause, NULL); commands_new(commands_new(root, "resume", "Resume lldpd operations", NULL, NULL, NULL), NEWLINE, "Resume lldpd operations", NULL, cmd_resume, NULL); commands_new(commands_new(root, "exit", "Exit interpreter", NULL, NULL, NULL), NEWLINE, "Exit interpreter", NULL, cmd_exit, NULL); return root; } struct input { TAILQ_ENTRY(input) next; char *name; }; TAILQ_HEAD(inputs, input); static int filter(const struct dirent *dir) { if (strlen(dir->d_name) < 5) return 0; if (strcmp(dir->d_name + strlen(dir->d_name) - 5, ".conf")) return 0; return 1; } /** * Append a new input file/directory to the list of inputs. * * @param arg Directory or file name to add. * @param inputs List of inputs * @param acceptdir 1 if we accept a directory, 0 otherwise */ static void input_append(const char *arg, struct inputs *inputs, int acceptdir, int warn) { struct stat statbuf; if (stat(arg, &statbuf) == -1) { if (warn) { log_warn("lldpctl", "cannot find configuration file/directory %s", arg); } else { log_debug("lldpctl", "cannot find configuration file/directory %s", arg); } return; } if (!S_ISDIR(statbuf.st_mode)) { struct input *input = malloc(sizeof(struct input)); if (!input) { log_warn("lldpctl", "not enough memory to process %s", arg); return; } log_debug("lldpctl", "input: %s", arg); input->name = strdup(arg); TAILQ_INSERT_TAIL(inputs, input, next); return; } if (!acceptdir) { log_debug("lldpctl", "skip directory %s", arg); return; } struct dirent **namelist = NULL; int n = scandir(arg, &namelist, filter, alphasort); if (n < 0) { log_warnx("lldpctl", "unable to read directory %s", arg); return; } for (int i = 0; i < n; i++) { char *fullname; if (asprintf(&fullname, "%s/%s", arg, namelist[i]->d_name) != -1) { input_append(fullname, inputs, 0, 1); free(fullname); } free(namelist[i]); } free(namelist); } int main(int argc, char *argv[]) { int ch, debug = 0, use_syslog = 0, rc = EXIT_FAILURE; const char *fmt = "plain"; lldpctl_conn_t *conn = NULL; const char *options = is_lldpctl(argv[0]) ? "hdvf:u:" : "hdsvf:c:C:u:"; lldpctl_atom_t *configuration; int gotinputs = 0, version = 0; struct inputs inputs; TAILQ_INIT(&inputs); ctlname = lldpctl_get_default_transport(); signal(SIGHUP, SIG_IGN); /* Get and parse command line options */ optind = 1; while ((ch = getopt(argc, argv, options)) != -1) { switch (ch) { case 'd': if (use_syslog) use_syslog = 0; else debug++; break; case 's': if (debug == 0) use_syslog = 1; else debug--; break; case 'h': usage(); break; case 'u': ctlname = optarg; break; case 'v': version++; break; case 'f': fmt = optarg; break; case 'C': case 'c': if (!gotinputs) { log_init(use_syslog, debug, __progname); lldpctl_log_level(debug + 1); gotinputs = 1; } input_append(optarg, &inputs, 1, ch == 'c'); break; default: usage(); } } if (version) { version_display(stdout, "lldpcli", version > 1); exit(0); } if (!gotinputs) { log_init(use_syslog, debug, __progname); lldpctl_log_level(debug + 1); } /* Disable SIGPIPE */ signal(SIGPIPE, SIG_IGN); /* Register commands */ root = register_commands(); /* Make a connection */ log_debug("lldpctl", "connect to lldpd"); conn = lldpctl_new_name(ctlname, NULL, NULL, NULL); if (conn == NULL) goto end; /* Check we have a working connection */ if ((configuration = lldpctl_get_configuration(conn)) == NULL) { /* ctl.c already outputs an error */ goto end; } lldpctl_atom_dec_ref(configuration); /* Process file inputs */ while (gotinputs && !TAILQ_EMPTY(&inputs)) { /* coverity[use_after_free] TAILQ_REMOVE does the right thing */ struct input *first = TAILQ_FIRST(&inputs); log_debug("lldpctl", "process: %s", first->name); FILE *file = fopen(first->name, "r"); if (file) { size_t n; ssize_t len; char *line; while (line = NULL, len = 0, (len = getline(&line, &n, file)) > 0) { if (line[len - 1] == '\n') { line[len - 1] = '\0'; parse_and_exec(conn, fmt, line); } free(line); } free(line); fclose(file); } else { log_warn("lldpctl", "unable to open %s", first->name); } TAILQ_REMOVE(&inputs, first, next); free(first->name); free(first); } /* Process additional arguments. First if we are lldpctl (interfaces) */ if (is_lldpctl(NULL)) { char *line = NULL; for (int i = optind; i < argc; i++) { char *prev = line; if (asprintf(&line, "%s%s%s", prev ? prev : "show neigh ports ", argv[i], (i == argc - 1) ? " details" : ",") == -1) { log_warnx("lldpctl", "not enough memory to build list of interfaces"); free(prev); goto end; } free(prev); } if (line == NULL && (line = strdup("show neigh details")) == NULL) { log_warnx("lldpctl", "not enough memory to build command line"); goto end; } log_debug("lldpctl", "execute %s", line); if (parse_and_exec(conn, fmt, line) != -1) rc = EXIT_SUCCESS; free(line); goto end; } /* Then, if we are regular lldpcli (command line) */ if (optind < argc) { const char **cargv; int cargc; cargv = &((const char **)argv)[optind]; cargc = argc - optind; if (cmd_exec(conn, fmt, cargc, cargv) == 1) rc = EXIT_SUCCESS; goto end; } if (gotinputs) { rc = EXIT_SUCCESS; goto end; } /* Interactive session */ #ifdef HAVE_LIBREADLINE rl_bind_key('?', cmd_help); rl_bind_key('\t', cmd_complete); #endif char *line = NULL; do { if ((line = readline(prompt()))) { int n = parse_and_exec(conn, fmt, line); if (n != 0) { #ifdef HAVE_READLINE_HISTORY add_history(line); #endif } free(line); } } while (!must_exit && line != NULL); rc = EXIT_SUCCESS; end: while (!TAILQ_EMPTY(&inputs)) { /* coverity[use_after_free] TAILQ_REMOVE does the right thing */ struct input *first = TAILQ_FIRST(&inputs); TAILQ_REMOVE(&inputs, first, next); free(first->name); free(first); } if (conn) lldpctl_release(conn); if (root) commands_free(root); return rc; } lldpd-1.0.18/src/client/conf-power.c0000644000076400001440000003325714532716672016455 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include "client.h" #include "../log.h" static int cmd_medpower(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "set MED power"); lldpctl_atom_t *port; const char *name; while ((port = cmd_iterate_on_ports(conn, env, &name))) { lldpctl_atom_t *med_power; const char *what = NULL; med_power = lldpctl_atom_get(port, lldpctl_k_port_med_power); if (med_power == NULL) { log_warnx("lldpctl", "unable to set LLDP-MED power: support seems unavailable"); continue; /* Need to finish the loop */ } if ((what = "device type", lldpctl_atom_set_str(med_power, lldpctl_k_med_power_type, cmdenv_get(env, "device-type"))) == NULL || (what = "power source", lldpctl_atom_set_str(med_power, lldpctl_k_med_power_source, cmdenv_get(env, "source"))) == NULL || (what = "power priority", lldpctl_atom_set_str(med_power, lldpctl_k_med_power_priority, cmdenv_get(env, "priority"))) == NULL || (what = "power value", lldpctl_atom_set_str(med_power, lldpctl_k_med_power_val, cmdenv_get(env, "value"))) == NULL) log_warnx("lldpctl", "unable to set LLDP MED power value for %s on %s. %s.", what, name, lldpctl_last_strerror(conn)); else { if (lldpctl_atom_set(port, lldpctl_k_port_med_power, med_power) == NULL) { log_warnx("lldpctl", "unable to set LLDP MED power on %s. %s.", name, lldpctl_last_strerror(conn)); } else log_info("lldpctl", "LLDP-MED power has been set for port %s", name); } lldpctl_atom_dec_ref(med_power); } return 1; } static int cmd_store_powerpairs_env_value_and_pop2(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *value) { return cmd_store_something_env_value_and_pop2("powerpairs", env, value); } static int cmd_store_class_env_value_and_pop2(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *value) { return cmd_store_something_env_value_and_pop2("class", env, value); } static int cmd_store_prio_env_value_and_pop2(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *value) { return cmd_store_something_env_value_and_pop2("priority", env, value); } static int cmd_dot3power(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "set dot3 power"); lldpctl_atom_t *port; const char *name; while ((port = cmd_iterate_on_ports(conn, env, &name))) { lldpctl_atom_t *dot3_power; const char *what = NULL; int ok = 1; dot3_power = lldpctl_atom_get(port, lldpctl_k_port_dot3_power); if (dot3_power == NULL) { log_warnx("lldpctl", "unable to set Dot3 power: support seems unavailable"); continue; /* Need to finish the loop */ } if ((what = "device type", lldpctl_atom_set_str(dot3_power, lldpctl_k_dot3_power_devicetype, cmdenv_get(env, "device-type"))) == NULL || /* Flags */ (what = "supported flag", lldpctl_atom_set_int(dot3_power, lldpctl_k_dot3_power_supported, cmdenv_get(env, "supported") ? 1 : 0)) == NULL || (what = "enabled flag", lldpctl_atom_set_int(dot3_power, lldpctl_k_dot3_power_enabled, cmdenv_get(env, "enabled") ? 1 : 0)) == NULL || (what = "paircontrol flag", lldpctl_atom_set_int(dot3_power, lldpctl_k_dot3_power_paircontrol, cmdenv_get(env, "paircontrol") ? 1 : 0)) == NULL || /* Powerpairs */ (what = "power pairs", lldpctl_atom_set_str(dot3_power, lldpctl_k_dot3_power_pairs, cmdenv_get(env, "powerpairs"))) == NULL || /* Class */ (what = "power class", cmdenv_get(env, "class") ? lldpctl_atom_set_str(dot3_power, lldpctl_k_dot3_power_class, cmdenv_get(env, "class")) : lldpctl_atom_set_int(dot3_power, lldpctl_k_dot3_power_class, 0)) == NULL || (what = "802.3at type", lldpctl_atom_set_int(dot3_power, lldpctl_k_dot3_power_type, 0)) == NULL) { log_warnx("lldpctl", "unable to set LLDP Dot3 power value for %s on %s. %s.", what, name, lldpctl_last_strerror(conn)); ok = 0; } else if (cmdenv_get(env, "typeat")) { int typeat = cmdenv_get(env, "typeat")[0] - '0'; const char *source = cmdenv_get(env, "source"); if ((what = "802.3at type", lldpctl_atom_set_int(dot3_power, lldpctl_k_dot3_power_type, typeat)) == NULL || (what = "source", lldpctl_atom_set_int(dot3_power, lldpctl_k_dot3_power_source, (!strcmp(source, "primary")) ? LLDP_DOT3_POWER_SOURCE_PRIMARY : (!strcmp(source, "backup")) ? LLDP_DOT3_POWER_SOURCE_BACKUP : (!strcmp(source, "pse")) ? LLDP_DOT3_POWER_SOURCE_PSE : (!strcmp(source, "local")) ? LLDP_DOT3_POWER_SOURCE_LOCAL : (!strcmp(source, "both")) ? LLDP_DOT3_POWER_SOURCE_BOTH : LLDP_DOT3_POWER_SOURCE_UNKNOWN)) == NULL || (what = "priority", lldpctl_atom_set_str(dot3_power, lldpctl_k_dot3_power_priority, cmdenv_get(env, "priority"))) == NULL || (what = "requested power", lldpctl_atom_set_str(dot3_power, lldpctl_k_dot3_power_requested, cmdenv_get(env, "requested"))) == NULL || (what = "allocated power", lldpctl_atom_set_str(dot3_power, lldpctl_k_dot3_power_allocated, cmdenv_get(env, "allocated"))) == NULL) { log_warnx("lldpctl", "unable to set LLDP Dot3 power value for %s on %s. %s.", what, name, lldpctl_last_strerror(conn)); ok = 0; } } if (ok) { if (lldpctl_atom_set(port, lldpctl_k_port_dot3_power, dot3_power) == NULL) { log_warnx("lldpctl", "unable to set LLDP Dot3 power on %s. %s.", name, lldpctl_last_strerror(conn)); } else log_info("lldpctl", "LLDP Dot3 power has been set for port %s", name); } lldpctl_atom_dec_ref(dot3_power); } return 1; } static int cmd_check_type_but_no(struct cmd_env *env, const void *arg) { const char *what = arg; if (!cmdenv_get(env, "device-type")) return 0; if (cmdenv_get(env, what)) return 0; return 1; } static int cmd_check_typeat_but_no(struct cmd_env *env, const void *arg) { const char *what = arg; if (!cmdenv_get(env, "typeat")) return 0; if (cmdenv_get(env, what)) return 0; return 1; } static int cmd_check_type(struct cmd_env *env, const char *type) { const char *etype = cmdenv_get(env, "device-type"); if (!etype) return 0; return (!strcmp(type, etype)); } static int cmd_check_pse(struct cmd_env *env, const void *arg) { return cmd_check_type(env, "pse"); } static int cmd_check_pd(struct cmd_env *env, const void *arg) { return cmd_check_type(env, "pd"); } static void register_commands_pow_source(struct cmd_node *source) { commands_new(source, "unknown", "Unknown power source", NULL, cmd_store_env_value_and_pop2, "source"); commands_new(source, "primary", "Primary power source", cmd_check_pse, cmd_store_env_value_and_pop2, "source"); commands_new(source, "backup", "Backup power source", cmd_check_pse, cmd_store_env_value_and_pop2, "source"); commands_new(source, "pse", "Power source is PSE", cmd_check_pd, cmd_store_env_value_and_pop2, "source"); commands_new(source, "local", "Local power source", cmd_check_pd, cmd_store_env_value_and_pop2, "source"); commands_new(source, "both", "Both PSE and local source available", cmd_check_pd, cmd_store_env_value_and_pop2, "source"); } static void register_commands_pow_priority(struct cmd_node *priority, int key) { for (lldpctl_map_t *prio_map = lldpctl_key_get_map(key); prio_map->string; prio_map++) { char *tag = strdup(totag(prio_map->string)); SUPPRESS_LEAK(tag); commands_new(priority, tag, prio_map->string, NULL, cmd_store_prio_env_value_and_pop2, prio_map->string); } } /** * Register `configure med power` commands. */ void register_commands_medpow(struct cmd_node *configure_med) { struct cmd_node *configure_medpower = commands_new(configure_med, "power", "MED power configuration", NULL, NULL, NULL); commands_new(configure_medpower, NEWLINE, "Apply new MED power configuration", cmd_check_env, cmd_medpower, "device-type,source,priority,value"); /* Type: PSE or PD */ commands_new(configure_medpower, "pd", "MED power consumer", cmd_check_no_env, cmd_store_env_value_and_pop, "device-type"); commands_new(configure_medpower, "pse", "MED power provider", cmd_check_no_env, cmd_store_env_value_and_pop, "device-type"); /* Source */ struct cmd_node *source = commands_new(configure_medpower, "source", "MED power source", cmd_check_type_but_no, NULL, "source"); register_commands_pow_source(source); /* Priority */ struct cmd_node *priority = commands_new(configure_medpower, "priority", "MED power priority", cmd_check_type_but_no, NULL, "priority"); register_commands_pow_priority(priority, lldpctl_k_med_power_priority); /* Value */ commands_new(commands_new(configure_medpower, "value", "MED power value", cmd_check_type_but_no, NULL, "value"), NULL, "MED power value in milliwatts", NULL, cmd_store_env_value_and_pop2, "value"); } static int cmd_check_env_power(struct cmd_env *env, const void *nothing) { /* We need type and powerpair but if we have typeat, we also request * source, priority, requested and allocated. */ if (!cmdenv_get(env, "device-type")) return 0; if (!cmdenv_get(env, "powerpairs")) return 0; if (cmdenv_get(env, "typeat")) { return (!!cmdenv_get(env, "source") && !!cmdenv_get(env, "priority") && !!cmdenv_get(env, "requested") && !!cmdenv_get(env, "allocated")); } return 1; } /** * Register `configure med dot3` commands. */ void register_commands_dot3pow(struct cmd_node *configure_dot3) { struct cmd_node *configure_dot3power = commands_new(configure_dot3, "power", "Dot3 power configuration", NULL, NULL, NULL); commands_new(configure_dot3power, NEWLINE, "Apply new Dot3 power configuration", cmd_check_env_power, cmd_dot3power, NULL); /* Type: PSE or PD */ commands_new(configure_dot3power, "pd", "Dot3 power consumer", cmd_check_no_env, cmd_store_env_value_and_pop, "device-type"); commands_new(configure_dot3power, "pse", "Dot3 power provider", cmd_check_no_env, cmd_store_env_value_and_pop, "device-type"); /* Flags */ commands_new(configure_dot3power, "supported", "MDI power support present", cmd_check_type_but_no, cmd_store_env_and_pop, "supported"); commands_new(configure_dot3power, "enabled", "MDI power support enabled", cmd_check_type_but_no, cmd_store_env_and_pop, "enabled"); commands_new(configure_dot3power, "paircontrol", "MDI power pair can be selected", cmd_check_type_but_no, cmd_store_env_and_pop, "paircontrol"); /* Power pairs */ struct cmd_node *powerpairs = commands_new(configure_dot3power, "powerpairs", "Which pairs are currently used for power (mandatory)", cmd_check_type_but_no, NULL, "powerpairs"); for (lldpctl_map_t *pp_map = lldpctl_key_get_map(lldpctl_k_dot3_power_pairs); pp_map->string; pp_map++) { commands_new(powerpairs, pp_map->string, pp_map->string, NULL, cmd_store_powerpairs_env_value_and_pop2, pp_map->string); } /* Class */ struct cmd_node *class = commands_new(configure_dot3power, "class", "Power class", cmd_check_type_but_no, NULL, "class"); for (lldpctl_map_t *class_map = lldpctl_key_get_map(lldpctl_k_dot3_power_class); class_map->string; class_map++) { const char *tag = strdup(totag(class_map->string)); SUPPRESS_LEAK(tag); commands_new(class, tag, class_map->string, NULL, cmd_store_class_env_value_and_pop2, class_map->string); } /* 802.3at type */ struct cmd_node *typeat = commands_new(configure_dot3power, "type", "802.3at device type", cmd_check_type_but_no, NULL, "typeat"); commands_new(typeat, "1", "802.3at type 1", NULL, cmd_store_env_value_and_pop2, "typeat"); commands_new(typeat, "2", "802.3at type 2", NULL, cmd_store_env_value_and_pop2, "typeat"); /* Source */ struct cmd_node *source = commands_new(configure_dot3power, "source", "802.3at dot3 power source (mandatory)", cmd_check_typeat_but_no, NULL, "source"); register_commands_pow_source(source); /* Priority */ struct cmd_node *priority = commands_new(configure_dot3power, "priority", "802.3at dot3 power priority (mandatory)", cmd_check_typeat_but_no, NULL, "priority"); register_commands_pow_priority(priority, lldpctl_k_dot3_power_priority); /* Values */ commands_new(commands_new(configure_dot3power, "requested", "802.3at dot3 power value requested (mandatory)", cmd_check_typeat_but_no, NULL, "requested"), NULL, "802.3at power value requested in milliwatts", NULL, cmd_store_env_value_and_pop2, "requested"); commands_new(commands_new(configure_dot3power, "allocated", "802.3at dot3 power value allocated (mandatory)", cmd_check_typeat_but_no, NULL, "allocated"), NULL, "802.3at power value allocated in milliwatts", NULL, cmd_store_env_value_and_pop2, "allocated"); } lldpd-1.0.18/src/client/completion/0000755000076400001440000000000014550773325016367 5ustar00bernatuserslldpd-1.0.18/src/client/completion/_lldpcli0000644000076400001440000000322314111362573020064 0ustar00bernatusers#compdef lldpcli # # zsh completion for lldpcli # # Copyright (c) 2014 Vincent Bernat # # Permission to use, copy, modify, and/or distribute this software for any # purpose with or without fee is hereby granted, provided that the above # copyright notice and this permission notice appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. __lldpcli_command () { local -a completions completions=(${(f)"$(_call_program commands lldpcli complete ${words[1,$(($CURRENT-1))]})"}) completions=(${completions:s/ /:/}) _describe -t lldpcli-command "lldpcli completion" completions "$@" } _lldpcli () { local curcontext="$curcontext" state line _arguments -C \ '*-d[print more debugging information]' \ '(- *)-v[print version number and exit]' \ '-u[use an alternate socket with lldpd]:UNIX socket:_files' \ '-f[output format]:format:(plain xml json json0 keyvalue)' \ '*-c[read a configuration file]:configuration file:_files' \ '(-)*::lldpcli command:__lldpcli_command' } _lldpcli "$@" # Local Variables: # mode: Shell-Script # sh-indentation: 4 # indent-tabs-mode: nil # sh-basic-offset: 4 # End: # vim: ft=zsh sw=4 ts=4 et lldpd-1.0.18/src/client/completion/lldpcli0000755000076400001440000000100314111362573017722 0ustar00bernatusers_lldpcli() { COMPREPLY=() COMP_WORDBREAKS=" " local cur=${COMP_WORDS[COMP_CWORD]} local cmd=(${COMP_WORDS[*]}) if [ "" != "$cur" ]; then unset cmd[COMP_CWORD] fi local choices=$(${cmd[0]} complete ${cmd[@]:1} | \ cut -d " " -f 1) COMPREPLY=($(compgen -W '${choices}' -- ${cur} )) return 0 } complete -F _lldpcli lldpcli # Local Variables: # mode: Shell-Script # sh-indentation: 4 # indent-tabs-mode: nil # sh-basic-offset: 4 # End: # vim: ft=zsh sw=4 ts=4 et lldpd-1.0.18/src/client/display.c0000644000076400001440000010114414532716672016032 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include #include #include #include #include "../log.h" #include "client.h" static void display_cap(struct writer *w, lldpctl_atom_t *chassis, u_int8_t bit, const char *symbol) { if (lldpctl_atom_get_int(chassis, lldpctl_k_chassis_cap_available) & bit) { tag_start(w, "capability", "Capability"); tag_attr(w, "type", "", symbol); tag_attr(w, "enabled", "", (lldpctl_atom_get_int(chassis, lldpctl_k_chassis_cap_enabled) & bit) ? "on" : "off"); tag_end(w); } } static void display_med_capability(struct writer *w, long int available, int cap, const char *symbol) { if (available & cap) { tag_start(w, "capability", "Capability"); tag_attr(w, "type", "", symbol); tag_attr(w, "available", "", "yes"); tag_end(w); } } static void display_med(struct writer *w, lldpctl_atom_t *port, lldpctl_atom_t *chassis) { lldpctl_atom_t *medpolicies, *medpolicy; lldpctl_atom_t *medlocations, *medlocation; lldpctl_atom_t *caelements, *caelement; lldpctl_atom_t *medpower; long int cap = lldpctl_atom_get_int(chassis, lldpctl_k_chassis_med_cap); const char *type; if (lldpctl_atom_get_int(chassis, lldpctl_k_chassis_med_type) <= 0) return; tag_start(w, "lldp-med", "LLDP-MED"); tag_datatag(w, "device-type", "Device Type", lldpctl_atom_get_str(chassis, lldpctl_k_chassis_med_type)); display_med_capability(w, cap, LLDP_MED_CAP_CAP, "Capabilities"); display_med_capability(w, cap, LLDP_MED_CAP_POLICY, "Policy"); display_med_capability(w, cap, LLDP_MED_CAP_LOCATION, "Location"); display_med_capability(w, cap, LLDP_MED_CAP_MDI_PSE, "MDI/PSE"); display_med_capability(w, cap, LLDP_MED_CAP_MDI_PD, "MDI/PD"); display_med_capability(w, cap, LLDP_MED_CAP_IV, "Inventory"); /* LLDP MED policies */ medpolicies = lldpctl_atom_get(port, lldpctl_k_port_med_policies); lldpctl_atom_foreach(medpolicies, medpolicy) { if (lldpctl_atom_get_int(medpolicy, lldpctl_k_med_policy_type) <= 0) continue; tag_start(w, "policy", "LLDP-MED Network Policy for"); tag_attr(w, "apptype", "", lldpctl_atom_get_str(medpolicy, lldpctl_k_med_policy_type)); tag_attr(w, "defined", "Defined", (lldpctl_atom_get_int(medpolicy, lldpctl_k_med_policy_unknown) > 0) ? "no" : "yes"); if (lldpctl_atom_get_int(medpolicy, lldpctl_k_med_policy_tagged) > 0) { int vid = lldpctl_atom_get_int(medpolicy, lldpctl_k_med_policy_vid); tag_start(w, "vlan", "VLAN"); if (vid == 0) { tag_attr(w, "vid", "", "priority"); } else if (vid == 4095) { tag_attr(w, "vid", "", "reserved"); } else { tag_attr(w, "vid", "", lldpctl_atom_get_str(medpolicy, lldpctl_k_med_policy_vid)); } tag_end(w); } tag_datatag(w, "priority", "Priority", lldpctl_atom_get_str(medpolicy, lldpctl_k_med_policy_priority)); /* Also give a numeric value */ int pcp = lldpctl_atom_get_int(medpolicy, lldpctl_k_med_policy_priority); char spcp[2] = { pcp + '0', '\0' }; tag_datatag(w, "pcp", "PCP", spcp); tag_datatag(w, "dscp", "DSCP Value", lldpctl_atom_get_str(medpolicy, lldpctl_k_med_policy_dscp)); tag_end(w); } lldpctl_atom_dec_ref(medpolicies); /* LLDP MED locations */ medlocations = lldpctl_atom_get(port, lldpctl_k_port_med_locations); lldpctl_atom_foreach(medlocations, medlocation) { int format = lldpctl_atom_get_int(medlocation, lldpctl_k_med_location_format); if (format <= 0) continue; tag_start(w, "location", "LLDP-MED Location Identification"); tag_attr(w, "type", "Type", lldpctl_atom_get_str(medlocation, lldpctl_k_med_location_format)); switch (format) { case LLDP_MED_LOCFORMAT_COORD: tag_attr(w, "geoid", "Geoid", lldpctl_atom_get_str(medlocation, lldpctl_k_med_location_geoid)); tag_datatag(w, "lat", "Latitude", lldpctl_atom_get_str(medlocation, lldpctl_k_med_location_latitude)); tag_datatag(w, "lon", "Longitude", lldpctl_atom_get_str(medlocation, lldpctl_k_med_location_longitude)); tag_start(w, "altitude", "Altitude"); tag_attr(w, "unit", "", lldpctl_atom_get_str(medlocation, lldpctl_k_med_location_altitude_unit)); tag_data(w, lldpctl_atom_get_str(medlocation, lldpctl_k_med_location_altitude)); tag_end(w); break; case LLDP_MED_LOCFORMAT_CIVIC: tag_datatag(w, "country", "Country", lldpctl_atom_get_str(medlocation, lldpctl_k_med_location_country)); caelements = lldpctl_atom_get(medlocation, lldpctl_k_med_location_ca_elements); lldpctl_atom_foreach(caelements, caelement) { type = lldpctl_atom_get_str(caelement, lldpctl_k_med_civicaddress_type); tag_datatag(w, totag(type), type, lldpctl_atom_get_str(caelement, lldpctl_k_med_civicaddress_value)); } lldpctl_atom_dec_ref(caelements); break; case LLDP_MED_LOCFORMAT_ELIN: tag_datatag(w, "ecs", "ECS ELIN", lldpctl_atom_get_str(medlocation, lldpctl_k_med_location_elin)); break; } tag_end(w); } lldpctl_atom_dec_ref(medlocations); /* LLDP MED power */ medpower = lldpctl_atom_get(port, lldpctl_k_port_med_power); if (lldpctl_atom_get_int(medpower, lldpctl_k_med_power_type) > 0) { tag_start(w, "poe", "Extended Power-over-Ethernet"); tag_datatag(w, "device-type", "Power Type & Source", lldpctl_atom_get_str(medpower, lldpctl_k_med_power_type)); tag_datatag(w, "source", "Power Source", lldpctl_atom_get_str(medpower, lldpctl_k_med_power_source)); tag_datatag(w, "priority", "Power priority", lldpctl_atom_get_str(medpower, lldpctl_k_med_power_priority)); tag_datatag(w, "power", "Power Value", lldpctl_atom_get_str(medpower, lldpctl_k_med_power_val)); tag_end(w); } lldpctl_atom_dec_ref(medpower); /* LLDP MED inventory */ do { const char *hw = lldpctl_atom_get_str(chassis, lldpctl_k_chassis_med_inventory_hw); const char *sw = lldpctl_atom_get_str(chassis, lldpctl_k_chassis_med_inventory_sw); const char *fw = lldpctl_atom_get_str(chassis, lldpctl_k_chassis_med_inventory_fw); const char *sn = lldpctl_atom_get_str(chassis, lldpctl_k_chassis_med_inventory_sn); const char *manuf = lldpctl_atom_get_str(chassis, lldpctl_k_chassis_med_inventory_manuf); const char *model = lldpctl_atom_get_str(chassis, lldpctl_k_chassis_med_inventory_model); const char *asset = lldpctl_atom_get_str(chassis, lldpctl_k_chassis_med_inventory_asset); if (!(hw || sw || fw || sn || manuf || model || asset)) break; tag_start(w, "inventory", "Inventory"); tag_datatag(w, "hardware", "Hardware Revision", hw); tag_datatag(w, "software", "Software Revision", sw); tag_datatag(w, "firmware", "Firmware Revision", fw); tag_datatag(w, "serial", "Serial Number", sn); tag_datatag(w, "manufacturer", "Manufacturer", manuf); tag_datatag(w, "model", "Model", model); tag_datatag(w, "asset", "Asset ID", asset); tag_end(w); } while (0); tag_end(w); } static void display_chassis(struct writer *w, lldpctl_atom_t *chassis, int details) { lldpctl_atom_t *mgmts, *mgmt; tag_start(w, "chassis", "Chassis"); tag_start(w, "id", "ChassisID"); tag_attr(w, "type", "", lldpctl_atom_get_str(chassis, lldpctl_k_chassis_id_subtype)); tag_data(w, lldpctl_atom_get_str(chassis, lldpctl_k_chassis_id)); tag_end(w); tag_datatag(w, "name", "SysName", lldpctl_atom_get_str(chassis, lldpctl_k_chassis_name)); if (details == DISPLAY_BRIEF) { tag_end(w); return; } tag_datatag(w, "descr", "SysDescr", lldpctl_atom_get_str(chassis, lldpctl_k_chassis_descr)); /* Management addresses */ mgmts = lldpctl_atom_get(chassis, lldpctl_k_chassis_mgmt); lldpctl_atom_foreach(mgmts, mgmt) { tag_datatag(w, "mgmt-ip", "MgmtIP", lldpctl_atom_get_str(mgmt, lldpctl_k_mgmt_ip)); if (lldpctl_atom_get_int(mgmt, lldpctl_k_mgmt_iface_index)) tag_datatag(w, "mgmt-iface", "MgmtIface", lldpctl_atom_get_str(mgmt, lldpctl_k_mgmt_iface_index)); } lldpctl_atom_dec_ref(mgmts); /* Capabilities */ display_cap(w, chassis, LLDP_CAP_OTHER, "Other"); display_cap(w, chassis, LLDP_CAP_REPEATER, "Repeater"); display_cap(w, chassis, LLDP_CAP_BRIDGE, "Bridge"); display_cap(w, chassis, LLDP_CAP_ROUTER, "Router"); display_cap(w, chassis, LLDP_CAP_WLAN, "Wlan"); display_cap(w, chassis, LLDP_CAP_TELEPHONE, "Tel"); display_cap(w, chassis, LLDP_CAP_DOCSIS, "Docsis"); display_cap(w, chassis, LLDP_CAP_STATION, "Station"); tag_end(w); } static void display_custom_tlvs(struct writer *w, lldpctl_atom_t *neighbor) { lldpctl_atom_t *custom_list, *custom; int have_custom_tlvs = 0; size_t i, len, slen; const uint8_t *oui, *oui_info; char buf[1600]; /* should be enough for printing */ custom_list = lldpctl_atom_get(neighbor, lldpctl_k_custom_tlvs); lldpctl_atom_foreach(custom_list, custom) { /* This tag gets added only once, if there are any custom TLVs */ if (!have_custom_tlvs) { tag_start(w, "unknown-tlvs", "Unknown TLVs"); have_custom_tlvs++; } len = 0; oui = lldpctl_atom_get_buffer(custom, lldpctl_k_custom_tlv_oui, &len); len = 0; oui_info = lldpctl_atom_get_buffer(custom, lldpctl_k_custom_tlv_oui_info_string, &len); if (!oui) continue; tag_start(w, "unknown-tlv", "TLV"); /* Add OUI as attribute */ snprintf(buf, sizeof(buf), "%02X,%02X,%02X", oui[0], oui[1], oui[2]); tag_attr(w, "oui", "OUI", buf); snprintf(buf, sizeof(buf), "%d", (int)lldpctl_atom_get_int(custom, lldpctl_k_custom_tlv_oui_subtype)); tag_attr(w, "subtype", "SubType", buf); snprintf(buf, sizeof(buf), "%d", (int)len); tag_attr(w, "len", "Len", buf); if (len > 0) { for (slen = 0, i = 0; i < len; ++i) slen += snprintf(buf + slen, sizeof(buf) > slen ? sizeof(buf) - slen : 0, "%02X%s", oui_info[i], ((i < len - 1) ? "," : "")); tag_data(w, buf); } tag_end(w); } lldpctl_atom_dec_ref(custom_list); if (have_custom_tlvs) tag_end(w); } static void display_autoneg(struct writer *w, int advertised, int bithd, int bitfd, const char *desc) { if (!((advertised & bithd) || (advertised & bitfd))) return; tag_start(w, "advertised", "Adv"); tag_attr(w, "type", "", desc); if (bitfd != bithd) { tag_attr(w, "hd", "HD", (advertised & bithd) ? "yes" : "no"); tag_attr(w, "fd", "FD", (advertised & bitfd) ? "yes" : "no"); } tag_end(w); } static void display_port(struct writer *w, lldpctl_atom_t *port, int details) { int vlan_tx_tag; char buf[5]; /* should be enough for printing */ tag_start(w, "port", "Port"); tag_start(w, "id", "PortID"); tag_attr(w, "type", "", lldpctl_atom_get_str(port, lldpctl_k_port_id_subtype)); tag_data(w, lldpctl_atom_get_str(port, lldpctl_k_port_id)); tag_end(w); tag_datatag(w, "descr", "PortDescr", lldpctl_atom_get_str(port, lldpctl_k_port_descr)); if ((vlan_tx_tag = lldpctl_atom_get_int(port, lldpctl_k_port_vlan_tx)) != -1) { tag_start(w, "vlanTX", "VlanTX"); snprintf(buf, sizeof(buf), "%d", vlan_tx_tag & 0xfff); tag_attr(w, "id", "VID", buf); snprintf(buf, sizeof(buf), "%d", (vlan_tx_tag >> 13) & 0x7); tag_attr(w, "prio", "Prio", buf); snprintf(buf, sizeof(buf), "%d", (vlan_tx_tag >> 12) & 0x1); tag_attr(w, "dei", "DEI", buf); tag_end(w); } if (details && lldpctl_atom_get_int(port, lldpctl_k_port_ttl) > 0) tag_datatag(w, "ttl", "TTL", lldpctl_atom_get_str(port, lldpctl_k_port_ttl)); /* Dot3 */ if (details == DISPLAY_DETAILS) { tag_datatag(w, "mfs", "MFS", lldpctl_atom_get_str(port, lldpctl_k_port_dot3_mfs)); tag_datatag(w, "aggregation", "Port is aggregated. PortAggregID", lldpctl_atom_get_str(port, lldpctl_k_port_dot3_aggregid)); long int autoneg_support, autoneg_enabled, autoneg_advertised, mautype; autoneg_support = lldpctl_atom_get_int(port, lldpctl_k_port_dot3_autoneg_support); autoneg_enabled = lldpctl_atom_get_int(port, lldpctl_k_port_dot3_autoneg_enabled); autoneg_advertised = lldpctl_atom_get_int(port, lldpctl_k_port_dot3_autoneg_advertised); mautype = lldpctl_atom_get_int(port, lldpctl_k_port_dot3_mautype); if (autoneg_support > 0 || autoneg_enabled > 0 || mautype > 0) { tag_start(w, "auto-negotiation", "PMD autoneg"); tag_attr(w, "supported", "supported", (autoneg_support > 0) ? "yes" : "no"); tag_attr(w, "enabled", "enabled", (autoneg_enabled > 0) ? "yes" : "no"); if (autoneg_enabled > 0) { if (autoneg_advertised < 0) autoneg_advertised = 0; display_autoneg(w, autoneg_advertised, LLDP_DOT3_LINK_AUTONEG_10BASE_T, LLDP_DOT3_LINK_AUTONEG_10BASET_FD, "10Base-T"); display_autoneg(w, autoneg_advertised, LLDP_DOT3_LINK_AUTONEG_100BASE_TX, LLDP_DOT3_LINK_AUTONEG_100BASE_TXFD, "100Base-TX"); display_autoneg(w, autoneg_advertised, LLDP_DOT3_LINK_AUTONEG_100BASE_T2, LLDP_DOT3_LINK_AUTONEG_100BASE_T2FD, "100Base-T2"); display_autoneg(w, autoneg_advertised, LLDP_DOT3_LINK_AUTONEG_100BASE_T4, LLDP_DOT3_LINK_AUTONEG_100BASE_T4, "100Base-T4"); display_autoneg(w, autoneg_advertised, LLDP_DOT3_LINK_AUTONEG_1000BASE_X, LLDP_DOT3_LINK_AUTONEG_1000BASE_XFD, "1000Base-X"); display_autoneg(w, autoneg_advertised, LLDP_DOT3_LINK_AUTONEG_1000BASE_T, LLDP_DOT3_LINK_AUTONEG_1000BASE_TFD, "1000Base-T"); } tag_datatag(w, "current", "MAU oper type", lldpctl_atom_get_str(port, lldpctl_k_port_dot3_mautype)); tag_end(w); } lldpctl_atom_t *dot3_power = lldpctl_atom_get(port, lldpctl_k_port_dot3_power); int devicetype = lldpctl_atom_get_int(dot3_power, lldpctl_k_dot3_power_devicetype); if (devicetype > 0) { tag_start(w, "power", "MDI Power"); tag_attr(w, "supported", "Supported", (lldpctl_atom_get_int(dot3_power, lldpctl_k_dot3_power_supported) > 0) ? "yes" : "no"); tag_attr(w, "enabled", "Enabled", (lldpctl_atom_get_int(dot3_power, lldpctl_k_dot3_power_enabled) > 0) ? "yes" : "no"); tag_attr(w, "paircontrol", "Pair control", (lldpctl_atom_get_int(dot3_power, lldpctl_k_dot3_power_paircontrol) > 0) ? "yes" : "no"); tag_start(w, "device-type", "Device type"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_devicetype)); ; tag_end(w); tag_start(w, "pairs", "Power pairs"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_pairs)); tag_end(w); tag_start(w, "class", "Class"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_class)); tag_end(w); /* 802.3at */ if (lldpctl_atom_get_int(dot3_power, lldpctl_k_dot3_power_type) > LLDP_DOT3_POWER_8023AT_OFF) { tag_start(w, "power-type", "Power type"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_type)); tag_end(w); tag_start(w, "source", "Power Source"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_source)); tag_end(w); tag_start(w, "priority", "Power Priority"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_priority)); tag_end(w); tag_start(w, "requested", "PD requested power Value"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_requested)); tag_end(w); tag_start(w, "allocated", "PSE allocated power Value"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_allocated)); tag_end(w); } /* 802.3bt */ if (lldpctl_atom_get_int(dot3_power, lldpctl_k_dot3_power_type_ext) > LLDP_DOT3_POWER_8023BT_OFF) { tag_start(w, "requested-a", "Requested mode A"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_requested_a)); tag_end(w); tag_start(w, "requested-b", "Requested mode B"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_requested_b)); tag_end(w); tag_start(w, "allocated-a", "Allocated alternative A"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_allocated_a)); tag_end(w); tag_start(w, "allocated-b", "Allocated alternative B"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_allocated_b)); tag_end(w); tag_start(w, "pse-powering-status", "PSE powering status"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_pse_status)); tag_end(w); tag_start(w, "pd-powering-status", "PD powering status"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_pd_status)); tag_end(w); tag_start(w, "power-pairs-ext", "Power pairs extra"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_pse_pairs_ext)); tag_end(w); tag_start(w, "power-class-ext-a", "Class extra A"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_class_a)); tag_end(w); tag_start(w, "power-class-ext-b", "Class extra B"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_class_b)); tag_end(w); tag_start(w, "power-class-ext", "Class extra"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_class_ext)); tag_end(w); tag_start(w, "power-type-ext", "Power type extra"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_type_ext)); tag_end(w); tag_start(w, "pd-load", "PD load"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_pd_load)); tag_end(w); tag_start(w, "max-power", "PSE maximum available power"); tag_data(w, lldpctl_atom_get_str(dot3_power, lldpctl_k_dot3_power_pse_max)); tag_end(w); } tag_end(w); } lldpctl_atom_dec_ref(dot3_power); } tag_end(w); } static void display_local_ttl(struct writer *w, lldpctl_conn_t *conn, int details) { char *ttl; long int tx_hold; long int tx_interval; lldpctl_atom_t *configuration; configuration = lldpctl_get_configuration(conn); if (!configuration) { log_warnx("lldpctl", "not able to get configuration. %s", lldpctl_last_strerror(conn)); return; } tx_hold = lldpctl_atom_get_int(configuration, lldpctl_k_config_tx_hold); tx_interval = lldpctl_atom_get_int(configuration, lldpctl_k_config_tx_interval_ms); tx_interval = (tx_interval * tx_hold + 999) / 1000; if (asprintf(&ttl, "%lu", tx_interval) == -1) { log_warnx("lldpctl", "not enough memory to build TTL."); goto end; } tag_start(w, "ttl", "TTL"); tag_attr(w, "ttl", "", ttl); tag_end(w); free(ttl); end: lldpctl_atom_dec_ref(configuration); } static void display_vlans(struct writer *w, lldpctl_atom_t *port) { lldpctl_atom_t *vlans, *vlan; int foundpvid = 0; int pvid, vid; pvid = lldpctl_atom_get_int(port, lldpctl_k_port_vlan_pvid); vlans = lldpctl_atom_get(port, lldpctl_k_port_vlans); lldpctl_atom_foreach(vlans, vlan) { vid = lldpctl_atom_get_int(vlan, lldpctl_k_vlan_id); tag_start(w, "vlan", "VLAN"); tag_attr(w, "vlan-id", "", lldpctl_atom_get_str(vlan, lldpctl_k_vlan_id)); if (pvid == vid) { tag_attr(w, "pvid", "pvid", "yes"); foundpvid = 1; } else { tag_attr(w, "pvid", "pvid", "no"); } tag_data(w, lldpctl_atom_get_str(vlan, lldpctl_k_vlan_name)); tag_end(w); } lldpctl_atom_dec_ref(vlans); if (!foundpvid && pvid > 0) { tag_start(w, "vlan", "VLAN"); tag_attr(w, "vlan-id", "", lldpctl_atom_get_str(port, lldpctl_k_port_vlan_pvid)); tag_attr(w, "pvid", "pvid", "yes"); tag_end(w); } } static void display_ppvids(struct writer *w, lldpctl_atom_t *port) { lldpctl_atom_t *ppvids, *ppvid; ppvids = lldpctl_atom_get(port, lldpctl_k_port_ppvids); lldpctl_atom_foreach(ppvids, ppvid) { int status = lldpctl_atom_get_int(ppvid, lldpctl_k_ppvid_status); tag_start(w, "ppvid", "PPVID"); if (lldpctl_atom_get_int(ppvid, lldpctl_k_ppvid_id) > 0) tag_attr(w, "value", "", lldpctl_atom_get_str(ppvid, lldpctl_k_ppvid_id)); tag_attr(w, "supported", "supported", (status & LLDP_PPVID_CAP_SUPPORTED) ? "yes" : "no"); tag_attr(w, "enabled", "enabled", (status & LLDP_PPVID_CAP_ENABLED) ? "yes" : "no"); tag_end(w); } lldpctl_atom_dec_ref(ppvids); } static void display_pids(struct writer *w, lldpctl_atom_t *port) { lldpctl_atom_t *pids, *pid; pids = lldpctl_atom_get(port, lldpctl_k_port_pis); lldpctl_atom_foreach(pids, pid) { const char *pi = lldpctl_atom_get_str(pid, lldpctl_k_pi_id); if (pi && strlen(pi) > 0) tag_datatag(w, "pi", "PI", pi); } lldpctl_atom_dec_ref(pids); } static const char * display_age(time_t lastchange) { static char sage[30]; int age = (int)(time(NULL) - lastchange); if (snprintf(sage, sizeof(sage), "%d day%s, %02d:%02d:%02d", age / (60 * 60 * 24), (age / (60 * 60 * 24) > 1) ? "s" : "", (age / (60 * 60)) % 24, (age / 60) % 60, age % 60) >= sizeof(sage)) return "too much"; else return sage; } void display_local_chassis(lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, int details) { tag_start(w, "local-chassis", "Local chassis"); lldpctl_atom_t *chassis = lldpctl_get_local_chassis(conn); display_chassis(w, chassis, details); if (details == DISPLAY_DETAILS) { display_med(w, NULL, chassis); } lldpctl_atom_dec_ref(chassis); tag_end(w); } void display_interface(lldpctl_conn_t *conn, struct writer *w, int hidden, lldpctl_atom_t *iface, lldpctl_atom_t *port, int details, int protocol) { int local = 0; if (!hidden && lldpctl_atom_get_int(port, lldpctl_k_port_hidden)) return; /* user might have specified protocol to filter on display */ if ((protocol != LLDPD_MODE_MAX) && (protocol != lldpctl_atom_get_int(port, lldpctl_k_port_protocol))) return; /* Infer local / remote port from the port index (remote == 0) */ local = lldpctl_atom_get_int(port, lldpctl_k_port_index) > 0 ? 1 : 0; lldpctl_atom_t *chassis = lldpctl_atom_get(port, lldpctl_k_port_chassis); tag_start(w, "interface", "Interface"); tag_attr(w, "name", "", lldpctl_atom_get_str(iface, lldpctl_k_interface_name)); if (!local) { tag_attr(w, "via", "via", lldpctl_atom_get_str(port, lldpctl_k_port_protocol)); if (details > DISPLAY_BRIEF) { tag_attr(w, "rid", "RID", lldpctl_atom_get_str(chassis, lldpctl_k_chassis_index)); tag_attr(w, "age", "Time", display_age( lldpctl_atom_get_int(port, lldpctl_k_port_age))); } } else { tag_datatag(w, "status", "Administrative status", lldpctl_atom_get_str(port, lldpctl_k_port_status)); } display_chassis(w, chassis, details); display_port(w, port, details); if (details && local && conn) display_local_ttl(w, conn, details); if (details == DISPLAY_DETAILS) { display_vlans(w, port); display_ppvids(w, port); display_pids(w, port); display_med(w, port, chassis); } lldpctl_atom_dec_ref(chassis); display_custom_tlvs(w, port); tag_end(w); } /** * Display information about interfaces. * * @param conn Connection to lldpd. * @param w Writer. * @param env Environment from which we may find the list of ports. * @param hidden Whatever to show hidden ports. * @param details Level of details we need (DISPLAY_*). */ void display_interfaces(lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, int hidden, int details) { lldpctl_atom_t *iface; int protocol = LLDPD_MODE_MAX; const char *proto_str; /* user might have specified protocol to filter display results */ proto_str = cmdenv_get(env, "protocol"); if (proto_str) { log_debug("display", "filter protocol: %s ", proto_str); protocol = 0; for (lldpctl_map_t *protocol_map = lldpctl_key_get_map(lldpctl_k_port_protocol); protocol_map->string; protocol_map++) { if (!strcasecmp(proto_str, protocol_map->string)) { protocol = protocol_map->value; break; } } } tag_start(w, "lldp", "LLDP neighbors"); while ((iface = cmd_iterate_on_interfaces(conn, env))) { lldpctl_atom_t *port; lldpctl_atom_t *neighbors; lldpctl_atom_t *neighbor; port = lldpctl_get_port(iface); neighbors = lldpctl_atom_get(port, lldpctl_k_port_neighbors); lldpctl_atom_foreach(neighbors, neighbor) { display_interface(conn, w, hidden, iface, neighbor, details, protocol); } lldpctl_atom_dec_ref(neighbors); lldpctl_atom_dec_ref(port); } tag_end(w); } /** * Display information about local interfaces. * * @param conn Connection to lldpd. * @param w Writer. * @param hidden Whatever to show hidden ports. * @param env Environment from which we may find the list of ports. * @param details Level of details we need (DISPLAY_*). */ void display_local_interfaces(lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, int hidden, int details) { lldpctl_atom_t *iface; int protocol = LLDPD_MODE_MAX; tag_start(w, "lldp", "LLDP interfaces"); while ((iface = cmd_iterate_on_interfaces(conn, env))) { lldpctl_atom_t *port; port = lldpctl_get_port(iface); display_interface(conn, w, hidden, iface, port, details, protocol); lldpctl_atom_dec_ref(port); } tag_end(w); } static void display_stat(struct writer *w, const char *tag, const char *descr, long unsigned int cnt) { char buf[20] = {}; tag_start(w, tag, descr); snprintf(buf, sizeof(buf), "%lu", cnt); tag_attr(w, tag, "", buf); tag_end(w); } void display_interface_stats(lldpctl_conn_t *conn, struct writer *w, lldpctl_atom_t *port) { tag_start(w, "interface", "Interface"); tag_attr(w, "name", "", lldpctl_atom_get_str(port, lldpctl_k_port_name)); display_stat(w, "tx", "Transmitted", lldpctl_atom_get_int(port, lldpctl_k_tx_cnt)); display_stat(w, "rx", "Received", lldpctl_atom_get_int(port, lldpctl_k_rx_cnt)); display_stat(w, "rx_discarded_cnt", "Discarded", lldpctl_atom_get_int(port, lldpctl_k_rx_discarded_cnt)); display_stat(w, "rx_unrecognized_cnt", "Unrecognized", lldpctl_atom_get_int(port, lldpctl_k_rx_unrecognized_cnt)); display_stat(w, "ageout_cnt", "Ageout", lldpctl_atom_get_int(port, lldpctl_k_ageout_cnt)); display_stat(w, "insert_cnt", "Inserted", lldpctl_atom_get_int(port, lldpctl_k_insert_cnt)); display_stat(w, "delete_cnt", "Deleted", lldpctl_atom_get_int(port, lldpctl_k_delete_cnt)); tag_end(w); } /** * Display interface stats * * @param conn Connection to lldpd. * @param w Writer. * @param env Environment from which we may find the list of ports. */ void display_interfaces_stats(lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env) { lldpctl_atom_t *iface; int summary = 0; u_int64_t h_tx_cnt = 0; u_int64_t h_rx_cnt = 0; u_int64_t h_rx_discarded_cnt = 0; u_int64_t h_rx_unrecognized_cnt = 0; u_int64_t h_ageout_cnt = 0; u_int64_t h_insert_cnt = 0; u_int64_t h_delete_cnt = 0; if (cmdenv_get(env, "summary")) summary = 1; tag_start(w, "lldp", (summary ? "LLDP Global statistics" : "LLDP statistics")); while ((iface = cmd_iterate_on_interfaces(conn, env))) { lldpctl_atom_t *port; port = lldpctl_get_port(iface); if (!summary) display_interface_stats(conn, w, port); else { h_tx_cnt += lldpctl_atom_get_int(port, lldpctl_k_tx_cnt); h_rx_cnt += lldpctl_atom_get_int(port, lldpctl_k_rx_cnt); h_rx_discarded_cnt += lldpctl_atom_get_int(port, lldpctl_k_rx_discarded_cnt); h_rx_unrecognized_cnt += lldpctl_atom_get_int(port, lldpctl_k_rx_unrecognized_cnt); h_ageout_cnt += lldpctl_atom_get_int(port, lldpctl_k_ageout_cnt); h_insert_cnt += lldpctl_atom_get_int(port, lldpctl_k_insert_cnt); h_delete_cnt += lldpctl_atom_get_int(port, lldpctl_k_delete_cnt); } lldpctl_atom_dec_ref(port); } if (summary) { tag_start(w, "summary", "Summary of stats"); display_stat(w, "tx", "Transmitted", h_tx_cnt); display_stat(w, "rx", "Received", h_rx_cnt); display_stat(w, "rx_discarded_cnt", "Discarded", h_rx_discarded_cnt); display_stat(w, "rx_unrecognized_cnt", "Unrecognized", h_rx_unrecognized_cnt); display_stat(w, "ageout_cnt", "Ageout", h_ageout_cnt); display_stat(w, "insert_cnt", "Inserted", h_insert_cnt); display_stat(w, "delete_cnt", "Deleted", h_delete_cnt); tag_end(w); } tag_end(w); } static const char * N(const char *str) { if (str == NULL || strlen(str) == 0) return "(none)"; return str; } void display_configuration(lldpctl_conn_t *conn, struct writer *w) { lldpctl_atom_t *configuration; configuration = lldpctl_get_configuration(conn); if (!configuration) { log_warnx("lldpctl", "not able to get configuration. %s", lldpctl_last_strerror(conn)); return; } tag_start(w, "configuration", "Global configuration"); tag_start(w, "config", "Configuration"); tag_datatag(w, "tx-delay", "Transmit delay", lldpctl_atom_get_str(configuration, lldpctl_k_config_tx_interval)); tag_datatag(w, "tx-delay-ms", "Transmit delay in milliseconds", lldpctl_atom_get_str(configuration, lldpctl_k_config_tx_interval_ms)); tag_datatag(w, "tx-hold", "Transmit hold", lldpctl_atom_get_str(configuration, lldpctl_k_config_tx_hold)); tag_datatag(w, "max-neighbors", "Maximum number of neighbors", lldpctl_atom_get_str(configuration, lldpctl_k_config_max_neighbors)); tag_datatag(w, "rx-only", "Receive mode", lldpctl_atom_get_int(configuration, lldpctl_k_config_receiveonly) ? "yes" : "no"); tag_datatag(w, "mgmt-pattern", "Pattern for management addresses", N(lldpctl_atom_get_str(configuration, lldpctl_k_config_mgmt_pattern))); tag_datatag(w, "iface-pattern", "Interface pattern", N(lldpctl_atom_get_str(configuration, lldpctl_k_config_iface_pattern))); tag_datatag(w, "perm-iface-pattern", "Permanent interface pattern", N(lldpctl_atom_get_str(configuration, lldpctl_k_config_perm_iface_pattern))); tag_datatag(w, "cid-pattern", "Interface pattern for chassis ID", N(lldpctl_atom_get_str(configuration, lldpctl_k_config_cid_pattern))); tag_datatag(w, "cid-string", "Override chassis ID with", N(lldpctl_atom_get_str(configuration, lldpctl_k_config_cid_string))); tag_datatag(w, "description", "Override description with", N(lldpctl_atom_get_str(configuration, lldpctl_k_config_description))); tag_datatag(w, "platform", "Override platform with", N(lldpctl_atom_get_str(configuration, lldpctl_k_config_platform))); tag_datatag(w, "hostname", "Override system name with", N(lldpctl_atom_get_str(configuration, lldpctl_k_config_hostname))); tag_datatag(w, "capabilities", "Override system capabilities", lldpctl_atom_get_int(configuration, lldpctl_k_config_chassis_cap_override) ? "yes" : "no"); tag_datatag(w, "advertise-version", "Advertise version", lldpctl_atom_get_int(configuration, lldpctl_k_config_advertise_version) ? "yes" : "no"); tag_datatag(w, "ifdescr-update", "Update interface descriptions", lldpctl_atom_get_int(configuration, lldpctl_k_config_ifdescr_update) ? "yes" : "no"); tag_datatag(w, "iface-promisc", "Promiscuous mode on managed interfaces", lldpctl_atom_get_int(configuration, lldpctl_k_config_iface_promisc) ? "yes" : "no"); tag_datatag(w, "lldpmed-no-inventory", "Disable LLDP-MED inventory", (lldpctl_atom_get_int(configuration, lldpctl_k_config_lldpmed_noinventory) == 0) ? "no" : "yes"); tag_datatag(w, "lldpmed-faststart", "LLDP-MED fast start mechanism", (lldpctl_atom_get_int(configuration, lldpctl_k_config_fast_start_enabled) == 0) ? "no" : "yes"); tag_datatag(w, "lldpmed-faststart-interval", "LLDP-MED fast start interval", N(lldpctl_atom_get_str(configuration, lldpctl_k_config_fast_start_interval))); tag_datatag(w, "bond-slave-src-mac-type", "Source MAC for LLDP frames on bond slaves", lldpctl_atom_get_str(configuration, lldpctl_k_config_bond_slave_src_mac_type)); tag_datatag(w, "lldp-portid-type", "Port ID TLV subtype for LLDP frames", lldpctl_atom_get_str(configuration, lldpctl_k_config_lldp_portid_type)); tag_datatag(w, "lldp-agent-type", "Agent type", lldpctl_atom_get_str(configuration, lldpctl_k_config_lldp_agent_type)); tag_end(w); tag_end(w); lldpctl_atom_dec_ref(configuration); } lldpd-1.0.18/src/client/conf.c0000644000076400001440000000330314532716672015310 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include "client.h" #include "../log.h" /** * Register `configure` and `no configure` commands. */ void register_commands_configure(struct cmd_node *root) { struct cmd_node *configure = commands_new(root, "configure", "Change system settings", NULL, NULL, NULL); struct cmd_node *unconfigure = commands_new(root, "unconfigure", "Unconfigure system settings", NULL, NULL, NULL); commands_privileged(commands_lock(configure)); commands_privileged(commands_lock(unconfigure)); cmd_restrict_ports(configure); cmd_restrict_ports(unconfigure); register_commands_configure_system(configure, unconfigure); register_commands_configure_lldp(configure, unconfigure); register_commands_configure_med(configure, unconfigure); register_commands_configure_inventory(configure, unconfigure); register_commands_configure_dot3(configure); } lldpd-1.0.18/src/client/conf-dot3.c0000644000076400001440000000236614532716672016167 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include "client.h" #include "../log.h" /** * Commands to configure dot3 */ void register_commands_configure_dot3(struct cmd_node *configure) { if (lldpctl_key_get_map(lldpctl_k_dot3_power_class)[0].string == NULL) return; struct cmd_node *configure_dot3 = commands_new(configure, "dot3", "Dot3 configuration", NULL, NULL, NULL); register_commands_dot3pow(configure_dot3); } lldpd-1.0.18/src/client/commands.c0000644000076400001440000005675214532716672016204 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "client.h" #include #include #include #include #include #include #include #include /** * An element of the environment (a key and a value). */ struct cmd_env_el { TAILQ_ENTRY(cmd_env_el) next; /**< Next environment element */ const char *key; /**< Key for this element */ const char *value; /**< Value for this element */ }; /** * A stack element. */ struct cmd_env_stack { TAILQ_ENTRY(cmd_env_stack) next; /**< Next element, down the stack */ struct cmd_node *el; /**< Stored element */ }; /** * Structure representing an environment for the current command. * * An environment is a list of values stored for use for the function executing * as well as the current command, the current position in the command and a * stack for cmd_node */ struct cmd_env { TAILQ_HEAD(, cmd_env_el) elements; /**< List of environment variables */ TAILQ_HEAD(, cmd_env_stack) stack; /**< Stack */ int argc; /**< Number of argument in the command */ int argp; /**< Current argument */ const char **argv; /**< Arguments */ }; /** * Structure representing a command node. * * Such a node contains a token accepted to enter the node (or @c NULL if there * is no token needed), a documentation string to present the user, a function * to validate the user input (or @c NULL if no function is needed) and a * function to execute when entering the node. Because we can enter a node just * by completing, the execution part should have no other effect than modifying * the environment, with the exception of execution on @c NEWLINE (which cannot * happen when completing). */ struct cmd_node { TAILQ_ENTRY(cmd_node) next; /**< Next sibling */ const char *token; /**< Token to enter this cnode */ const char *doc; /**< Documentation string */ int privileged; /**< Privileged command? */ int lock; /**< Lock required for execution? */ int hidden; /**< Hidden command? */ /** * Function validating entry in this node. Can be @c NULL. */ int (*validate)(struct cmd_env *, const void *); /** * Function to execute when entering this node. May be @c NULL. * * This function can alter the environment */ int (*execute)(struct lldpctl_conn_t *, struct writer *, struct cmd_env *, const void *); const void *arg; /**< Magic argument for the previous two functions */ /* List of possible subentries */ TAILQ_HEAD(, cmd_node) subentries; /* List of subnodes */ }; /** * Create a root node. * * @return the root node. */ struct cmd_node * commands_root(void) { struct cmd_node *new = calloc(1, sizeof(struct cmd_node)); if (new == NULL) fatalx("lldpctl", "out of memory"); TAILQ_INIT(&new->subentries); return new; } /** * Make a node accessible only to privileged users. * * @param node node to change privileges * @return the modified node * * The node is modified. It is returned to ease chaining. */ struct cmd_node * commands_privileged(struct cmd_node *node) { if (node) node->privileged = 1; return node; } /** * Make a node accessible only with a lock. * * @param node node to use lock to execute * @return the modified node * * The node is modified. It is returned to ease chaining. */ struct cmd_node * commands_lock(struct cmd_node *node) { if (node) node->lock = 1; return node; } /** * Hide a node from help or completion. * * @param node node to hide * @return the modified node * * The node is modified. It is returned to ease chaining. */ struct cmd_node * commands_hidden(struct cmd_node *node) { if (node) node->hidden = 1; return node; } /** * Create a new node acessible by any user. * * @param root The node we want to attach this node. * @param token Token to enter this node. Or @c NULL if no token is needed. * @param doc Documentation for this node. * @param validate Function that should return 1 if we can enter the node. * @param execute Function that should return 1 on successful execution of this node. * @param arg Magic argument for precedent functions. * @return the newly created node */ struct cmd_node * commands_new(struct cmd_node *root, const char *token, const char *doc, int (*validate)(struct cmd_env *, const void *), int (*execute)(struct lldpctl_conn_t *, struct writer *, struct cmd_env *, const void *), const void *arg) { struct cmd_node *new = calloc(1, sizeof(struct cmd_node)); if (new == NULL) fatalx("lldpctl", "out of memory"); new->token = token; new->doc = doc; new->validate = validate; new->execute = execute; new->arg = arg; TAILQ_INIT(&new->subentries); TAILQ_INSERT_TAIL(&root->subentries, new, next); return new; } /** * Free a command tree. * * @param root The node we want to free. */ void commands_free(struct cmd_node *root) { struct cmd_node *subcmd, *subcmd_next; for (subcmd = TAILQ_FIRST(&root->subentries); subcmd != NULL; subcmd = subcmd_next) { subcmd_next = TAILQ_NEXT(subcmd, next); TAILQ_REMOVE(&root->subentries, subcmd, next); commands_free(subcmd); } free(root); } /** * Return the current argument in the environment. This can be @c NEWLINE or * @c NULL. * * @param env The environment. * @return current argument. */ const char * cmdenv_arg(struct cmd_env *env) { if (env->argp < env->argc) return env->argv[env->argp]; if (env->argp == env->argc) return NEWLINE; return NULL; } /** * Get a value from the environment. * * @param env The environment. * @param key The key for the requested value. * @return @c NULL if not found or the requested value otherwise. If no value is * associated, return the key. */ const char * cmdenv_get(struct cmd_env *env, const char *key) { struct cmd_env_el *el; TAILQ_FOREACH (el, &env->elements, next) if (!strcmp(el->key, key)) return el->value ? el->value : el->key; return NULL; } /** * Put a value in the environment. * * @param env The environment. * @param key The key for the value. * @param value The value. * @return 0 on success, -1 otherwise. */ int cmdenv_put(struct cmd_env *env, const char *key, const char *value) { struct cmd_env_el *el = malloc(sizeof(struct cmd_env_el)); if (el == NULL) { log_warn("lldpctl", "unable to allocate memory for new environment variable"); return -1; } el->key = key; el->value = value; TAILQ_INSERT_TAIL(&env->elements, el, next); return 0; } /** * Pop some node from the execution stack. * * This allows to resume parsing on a previous state. Useful to call after * parsing optional arguments. * * @param env The environment. * @param n How many element we want to pop. * @return 0 on success, -1 otherwise. */ int cmdenv_pop(struct cmd_env *env, int n) { while (n-- > 0) { if (TAILQ_EMPTY(&env->stack)) { log_warnx("lldpctl", "environment stack is empty"); return -1; } struct cmd_env_stack *first = TAILQ_FIRST(&env->stack); TAILQ_REMOVE(&env->stack, first, next); free(first); } return 0; } /** * Push some node on the execution stack. * * @param env The environment. * @param node The node to push. * @return 0 on success, -1 on error. */ static int cmdenv_push(struct cmd_env *env, struct cmd_node *node) { struct cmd_env_stack *el = malloc(sizeof(struct cmd_env_stack)); if (el == NULL) { log_warn("lldpctl", "not enough memory to allocate a stack element"); return -1; } el->el = node; TAILQ_INSERT_HEAD(&env->stack, el, next); return 0; } /** * Return the top of the stack, without poping it. * * @param env The environment. * @return the top element or @c NULL is the stack is empty. */ static struct cmd_node * cmdenv_top(struct cmd_env *env) { if (TAILQ_EMPTY(&env->stack)) return NULL; return TAILQ_FIRST(&env->stack)->el; } /** * Free execution environment. * * @param env The environment. */ static void cmdenv_free(struct cmd_env *env) { while (!TAILQ_EMPTY(&env->stack)) cmdenv_pop(env, 1); struct cmd_env_el *first; while (!TAILQ_EMPTY(&env->elements)) { first = TAILQ_FIRST(&env->elements); TAILQ_REMOVE(&env->elements, first, next); free(first); } } struct candidate_word { TAILQ_ENTRY(candidate_word) next; const char *word; const char *doc; int hidden; }; /** * Execute or complete a command from the given node. * * @param conn Connection to lldpd. * @param w Writer for output. * @param root Root node we want to start from. * @param argc Number of arguments. * @param argv Array of arguments. * @param word Completed word. Or NULL when no completion is required. * @param all When completing, display possible completions even if only one choice * is possible. * @param priv Is the current user privileged? * @return 0 on success, -1 otherwise. */ static int _commands_execute(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_node *root, int argc, const char **argv, char **word, int all, int priv) { int n, rc = 0, completion = (word != NULL); int help = 0; /* Are we asking for help? */ int complete = 0; /* Are we asking for possible completions? */ int needlock = 0; /* Do we need a lock? */ struct cmd_env env = { .elements = TAILQ_HEAD_INITIALIZER(env.elements), .stack = TAILQ_HEAD_INITIALIZER(env.stack), .argc = argc, .argv = argv, .argp = 0 }; static int lockfd = -1; static char *lockname = NULL; /* Name of lockfile */ cmdenv_push(&env, root); if (!completion) for (n = 0; n < argc; n++) log_debug("lldpctl", "argument %02d: `%s`", n, argv[n]); if (completion) *word = NULL; #define CAN_EXECUTE(candidate) \ ((!candidate->privileged || priv || complete) && \ (!candidate->validate || candidate->validate(&env, candidate->arg) == 1)) /* When completion is in progress, we use the same algorithm than for * execution until we reach the cursor position. */ struct cmd_node *current = NULL; while ((current = cmdenv_top(&env))) { if (!completion) { help = !!cmdenv_get(&env, "help"); /* Are we asking for help? */ complete = !!cmdenv_get(&env, "complete"); /* Or completion? */ } struct cmd_node *candidate, *best = NULL; const char *token = (env.argp < env.argc) ? env.argv[env.argp] : (env.argp == env.argc && !help && !complete) ? NEWLINE : NULL; if (token == NULL || (completion && env.argp == env.argc - 1)) goto end; if (!completion) log_debug("lldpctl", "process argument %02d: `%s`", env.argp, token); TAILQ_FOREACH (candidate, ¤t->subentries, next) { if (candidate->token && !strncmp(candidate->token, token, strlen(token)) && CAN_EXECUTE(candidate)) { if (candidate->token && !strcmp(candidate->token, token)) { /* Exact match */ best = candidate; needlock = needlock || candidate->lock; break; } if (!best) best = candidate; else { if (!completion) log_warnx("lldpctl", "ambiguous token: %s (%s or %s)", token, candidate->token, best->token); rc = -1; goto end; } } } if (!best) { /* Take first that validate */ TAILQ_FOREACH (candidate, ¤t->subentries, next) { if (!candidate->token && CAN_EXECUTE(candidate)) { best = candidate; needlock = needlock || candidate->lock; break; } } } if (!best && env.argp == env.argc) goto end; if (!best) { if (!completion) log_warnx("lldpctl", "unknown command from argument %d: `%s`", env.argp + 1, token); rc = -1; goto end; } /* Push and execute */ cmdenv_push(&env, best); if (best->execute) { if (needlock) { if (lockfd == -1) { if (lockname == NULL && asprintf(&lockname, "%s.lock", ctlname) == -1) { log_warnx("lldpctl", "not enough memory to build lock filename"); rc = -1; goto end; } log_debug("lldpctl", "open %s for locking", lockname); if ((lockfd = open(lockname, O_RDWR)) == -1) { log_warn("lldpctl", "cannot open lock %s", lockname); rc = -1; goto end; } } if (lockf(lockfd, F_LOCK, 0) == -1) { log_warn("lldpctl", "cannot get lock on %s", lockname); rc = -1; close(lockfd); lockfd = -1; goto end; } } rc = best->execute(conn, w, &env, best->arg) != 1 ? -1 : rc; if (needlock && lockf(lockfd, F_ULOCK, 0) == -1) { log_warn("lldpctl", "cannot unlock %s", lockname); close(lockfd); lockfd = -1; } if (rc == -1) goto end; } env.argp++; } end: if (!completion && !help && !complete) { if (rc == 0 && env.argp != env.argc + 1) { log_warnx("lldpctl", "incomplete command"); rc = -1; } } else if (rc == 0 && (env.argp == env.argc - 1 || help || complete)) { /* We need to complete. Let's build the list of candidate words. */ struct cmd_node *candidate = NULL; size_t maxl = 10; /* Max length of a word */ TAILQ_HEAD(, candidate_word) words; /* List of subnodes */ TAILQ_INIT(&words); current = cmdenv_top(&env); if (!TAILQ_EMPTY(¤t->subentries)) { TAILQ_FOREACH (candidate, ¤t->subentries, next) { if ((!candidate->token || help || complete || !strncmp(env.argv[env.argc - 1], candidate->token, strlen(env.argv[env.argc - 1]))) && CAN_EXECUTE(candidate)) { struct candidate_word *cword = malloc(sizeof(struct candidate_word)); if (!cword) break; cword->word = candidate->token; cword->doc = candidate->doc; cword->hidden = candidate->hidden; if (cword->word && strlen(cword->word) > maxl) maxl = strlen(cword->word); TAILQ_INSERT_TAIL(&words, cword, next); } } } if (!TAILQ_EMPTY(&words)) { /* Search if there is a common prefix, then return it. */ char prefix[maxl + 2]; /* Extra space may be added at the end */ struct candidate_word *cword, *cword_next; memset(prefix, 0, maxl + 2); for (size_t n = 0; n < maxl; n++) { int c = 1; /* Set to 0 to exit outer loop */ TAILQ_FOREACH (cword, &words, next) { c = 0; if (cword->hidden) continue; if (cword->word == NULL) break; if (!strcmp(cword->word, NEWLINE)) break; if (strlen(cword->word) == n) break; if (prefix[n] == '\0') prefix[n] = cword->word[n]; else if (prefix[n] != cword->word[n]) break; c = 1; } if (c == 0) { prefix[n] = '\0'; break; } } /* If the prefix is complete, add a space, otherwise, * just return it as is. */ if (!all && !help && !complete && strcmp(prefix, NEWLINE) && strlen(prefix) > 0 && strlen(env.argv[env.argc - 1]) < strlen(prefix)) { TAILQ_FOREACH (cword, &words, next) { if (cword->word && !strcmp(prefix, cword->word)) { prefix[strlen(prefix)] = ' '; break; } } *word = strdup(prefix); } else { /* No common prefix, print possible completions */ if (!complete) fprintf(stderr, "\n-- \033[1;34m%s\033[0m\n", current->doc ? current->doc : "Help"); TAILQ_FOREACH (cword, &words, next) { if (cword->hidden) continue; char fmt[100]; if (!complete) { snprintf(fmt, sizeof(fmt), "%s%%%ds%s %%s\n", "\033[1m", (int)maxl, "\033[0m"); fprintf(stderr, fmt, cword->word ? cword->word : "WORD", cword->doc ? cword->doc : "..."); } else { if (!cword->word || !strcmp(cword->word, NEWLINE)) continue; fprintf(stdout, "%s %s\n", cword->word ? cword->word : "WORD", cword->doc ? cword->doc : "..."); } } } for (cword = TAILQ_FIRST(&words); cword != NULL; cword = cword_next) { cword_next = TAILQ_NEXT(cword, next); TAILQ_REMOVE(&words, cword, next); free(cword); } } } cmdenv_free(&env); return rc; } /** * Complete the given command. */ char * commands_complete(struct cmd_node *root, int argc, const char **argv, int all, int privileged) { char *word = NULL; if (_commands_execute(NULL, NULL, root, argc, argv, &word, all, privileged) == 0) return word; return NULL; } /** * Execute the given commands. */ int commands_execute(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_node *root, int argc, const char **argv, int privileged) { return _commands_execute(conn, w, root, argc, argv, NULL, 0, privileged); } /** * Check if the environment does not contain the given key. * * @param env The environment. * @param key The key to search for. * @return 1 if the environment does not contain the key. 0 otherwise. */ int cmd_check_no_env(struct cmd_env *env, const void *key) { return cmdenv_get(env, (const char *)key) == NULL; } /** * Check if the environment does contain the given key. * * @param env The environment. * @param key The key to search for. Can be a comma separated list. * @return 1 if the environment does contain the key. 0 otherwise. */ int cmd_check_env(struct cmd_env *env, const void *key) { struct cmd_env_el *el; const char *list = key; int count = 0; TAILQ_FOREACH (el, &env->elements, next) { if (contains(list, el->key)) count++; } while ((list = strchr(list, ','))) { list++; count--; } return (count == 1); } /** * Store the given key in the environment. * * @param conn The connection. * @param w The writer (not used). * @param env The environment. * @param key The key to store. * @return 1 if the key was stored */ int cmd_store_env(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *key) { return cmdenv_put(env, key, NULL) != -1; } /** * Store the given key in the environment and pop one element from the stack. * * @param conn The connection. * @param w The writer (not used). * @param env The environment. * @param key The key to store. * @return 1 if the key was stored */ int cmd_store_env_and_pop(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *key) { return (cmd_store_env(conn, w, env, key) != -1 && cmdenv_pop(env, 1) != -1); } /** * Store the given key with a value being the current keyword in the environment * and pop X elements from the stack. * * @param conn The connection. * @param w The writer (not used). * @param env The environment. * @param key The key to store. * @return 1 if the key was stored */ int cmd_store_env_value_and_pop(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *key) { return ( cmdenv_put(env, key, cmdenv_arg(env)) != -1 && cmdenv_pop(env, 1) != -1); } int cmd_store_env_value_and_pop2(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *key) { return ( cmdenv_put(env, key, cmdenv_arg(env)) != -1 && cmdenv_pop(env, 2) != -1); } int cmd_store_env_value(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *key) { return (cmdenv_put(env, key, cmdenv_arg(env)) != -1); } int cmd_store_env_value_and_pop3(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *key) { return ( cmdenv_put(env, key, cmdenv_arg(env)) != -1 && cmdenv_pop(env, 3) != -1); } int cmd_store_something_env_value_and_pop2(const char *what, struct cmd_env *env, const void *value) { return (cmdenv_put(env, what, value) != -1 && cmdenv_pop(env, 2) != -1); } int cmd_store_something_env_value(const char *what, struct cmd_env *env, const void *value) { return (cmdenv_put(env, what, value) != -1); } /** * Provide an iterator on all interfaces contained in "ports". * * @warning This function is not reentrant. It uses static variables to keep * track of ports that have already been provided. Moreover, to release all * resources, the iterator should be used until its end. * * @param conn The connection. * @param env The environment. * @return The next interface in the set of ports (or in all ports if no `ports` * variable is present in the environment) */ lldpctl_atom_t * cmd_iterate_on_interfaces(struct lldpctl_conn_t *conn, struct cmd_env *env) { static lldpctl_atom_iter_t *iter = NULL; static lldpctl_atom_t *iface_list = NULL; static lldpctl_atom_t *iface = NULL; const char *interfaces = cmdenv_get(env, "ports"); do { if (iter == NULL) { iface_list = lldpctl_get_interfaces(conn); if (!iface_list) { log_warnx("lldpctl", "not able to get the list of interfaces. %s", lldpctl_last_strerror(conn)); return NULL; } iter = lldpctl_atom_iter(iface_list); if (!iter) return NULL; } else { iter = lldpctl_atom_iter_next(iface_list, iter); if (iface) { lldpctl_atom_dec_ref(iface); iface = NULL; } if (!iter) { lldpctl_atom_dec_ref(iface_list); return NULL; } } iface = lldpctl_atom_iter_value(iface_list, iter); } while (interfaces && !contains(interfaces, lldpctl_atom_get_str(iface, lldpctl_k_interface_name))); return iface; } /** * Provide an iterator on all ports contained in "ports", as well as the * default port. * * @warning This function is not reentrant. It uses static variables to keep * track of ports that have already been provided. Moreover, to release all * resources, the iterator should be used until its end. * * @param conn The connection. * @param env The environment. * @param name Name of the interface (for logging purpose) * @return The next interface in the set of ports (or in all ports if no `ports` * variable is present in the environment), including the default port * if no `ports` variable is present in the environment. */ lldpctl_atom_t * cmd_iterate_on_ports(struct lldpctl_conn_t *conn, struct cmd_env *env, const char **name) { static int put_default = 0; static lldpctl_atom_t *last_port = NULL; const char *interfaces = cmdenv_get(env, "ports"); if (last_port) { lldpctl_atom_dec_ref(last_port); last_port = NULL; } if (!put_default) { lldpctl_atom_t *iface = cmd_iterate_on_interfaces(conn, env); if (iface) { *name = lldpctl_atom_get_str(iface, lldpctl_k_interface_name); last_port = lldpctl_get_port(iface); return last_port; } if (!interfaces) { put_default = 1; *name = "(default)"; last_port = lldpctl_get_default_port(conn); return last_port; } return NULL; } else { put_default = 0; return NULL; } } /** * Restrict the command to some ports. */ void cmd_restrict_ports(struct cmd_node *root) { /* Restrict to some ports. */ commands_new(commands_new(root, "ports", "Restrict configuration to some ports", cmd_check_no_env, NULL, "ports"), NULL, "Restrict configuration to the specified ports (comma-separated list)", NULL, cmd_store_env_value_and_pop2, "ports"); } /** * Restrict the command to specific protocol */ void cmd_restrict_protocol(struct cmd_node *root) { /* Restrict to some ports. */ commands_new(commands_new(root, "protocol", "Restrict to specific protocol", cmd_check_no_env, NULL, "protocol"), NULL, "Restrict display to the specified protocol", NULL, cmd_store_env_value_and_pop2, "protocol"); } lldpd-1.0.18/src/client/client.h0000644000076400001440000001275514532716672015661 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _CLIENT_H #define _CLIENT_H #if HAVE_CONFIG_H # include #endif #include "../lib/lldpctl.h" #include "../lldp-const.h" #include "../log.h" #include "../ctl.h" #include "../compat/compat.h" #include "writer.h" #ifdef HAVE_ADDRESS_SANITIZER # include # define SUPPRESS_LEAK(x) __lsan_ignore_object(x) #else # define SUPPRESS_LEAK(x) #endif /* Readline stuff */ #ifdef HAVE_LIBREADLINE # if defined(HAVE_READLINE_READLINE_H) # include # elif defined(HAVE_READLINE_H) # include # else extern char *readline(); extern char *rl_line_buffer; extern int rl_point; extern int rl_insert_text(const char *); extern void rl_forced_update_display(void); extern int rl_bind_key(int, int (*f)(int, int)); # endif #endif #ifdef HAVE_READLINE_HISTORY # if defined(HAVE_READLINE_HISTORY_H) # include # elif defined(HAVE_HISTORY_H) # include # else extern void add_history(); # endif #endif #undef NEWLINE extern const char *ctlname; /* commands.c */ #define NEWLINE "" struct cmd_node; struct cmd_env; struct cmd_node *commands_root(void); struct cmd_node *commands_new(struct cmd_node *, const char *, const char *, int (*validate)(struct cmd_env *, const void *), int (*execute)(struct lldpctl_conn_t *, struct writer *, struct cmd_env *, const void *), const void *); struct cmd_node *commands_privileged(struct cmd_node *); struct cmd_node *commands_lock(struct cmd_node *); struct cmd_node *commands_hidden(struct cmd_node *); void commands_free(struct cmd_node *); const char *cmdenv_arg(struct cmd_env *); const char *cmdenv_get(struct cmd_env *, const char *); int cmdenv_put(struct cmd_env *, const char *, const char *); int cmdenv_pop(struct cmd_env *, int); int commands_execute(struct lldpctl_conn_t *, struct writer *, struct cmd_node *, int, const char **, int); char *commands_complete(struct cmd_node *, int, const char **, int, int); /* helpers */ int cmd_check_no_env(struct cmd_env *, const void *); int cmd_check_env(struct cmd_env *, const void *); int cmd_store_env(struct lldpctl_conn_t *, struct writer *, struct cmd_env *, const void *); int cmd_store_env_and_pop(struct lldpctl_conn_t *, struct writer *, struct cmd_env *, const void *); int cmd_store_env_value(struct lldpctl_conn_t *, struct writer *, struct cmd_env *, const void *); int cmd_store_env_value_and_pop(struct lldpctl_conn_t *, struct writer *, struct cmd_env *, const void *); int cmd_store_env_value_and_pop2(struct lldpctl_conn_t *, struct writer *, struct cmd_env *, const void *); int cmd_store_env_value_and_pop3(struct lldpctl_conn_t *, struct writer *, struct cmd_env *, const void *); int cmd_store_something_env_value_and_pop2(const char *, struct cmd_env *, const void *); int cmd_store_something_env_value(const char *, struct cmd_env *, const void *); lldpctl_atom_t *cmd_iterate_on_interfaces(struct lldpctl_conn_t *, struct cmd_env *); lldpctl_atom_t *cmd_iterate_on_ports(struct lldpctl_conn_t *, struct cmd_env *, const char **); void cmd_restrict_ports(struct cmd_node *); void cmd_restrict_protocol(struct cmd_node *); /* misc.c */ int contains(const char *, const char *); const char *totag(const char *); /* display.c */ #define DISPLAY_BRIEF 1 #define DISPLAY_NORMAL 2 #define DISPLAY_DETAILS 3 void display_interfaces(lldpctl_conn_t *, struct writer *, struct cmd_env *, int, int); void display_interface(lldpctl_conn_t *, struct writer *, int, lldpctl_atom_t *, lldpctl_atom_t *, int, int); void display_local_chassis(lldpctl_conn_t *, struct writer *, struct cmd_env *, int); void display_configuration(lldpctl_conn_t *, struct writer *); void display_interfaces_stats(lldpctl_conn_t *, struct writer *, struct cmd_env *); void display_interface_stats(lldpctl_conn_t *, struct writer *, lldpctl_atom_t *); void display_local_interfaces(lldpctl_conn_t *, struct writer *, struct cmd_env *, int, int); /* show.c */ void register_commands_show(struct cmd_node *); void register_commands_watch(struct cmd_node *); /* conf*.c */ void register_commands_configure(struct cmd_node *); void register_commands_configure_system(struct cmd_node *, struct cmd_node *); void register_commands_configure_lldp(struct cmd_node *, struct cmd_node *); void register_commands_configure_med(struct cmd_node *, struct cmd_node *); void register_commands_configure_inventory(struct cmd_node *, struct cmd_node *); void register_commands_configure_dot3(struct cmd_node *); void register_commands_medpow(struct cmd_node *); void register_commands_dot3pow(struct cmd_node *); /* tokenizer.c */ int tokenize_line(const char *, int *, char ***); void tokenize_free(int, char **); #endif lldpd-1.0.18/src/client/conf-system.c0000644000076400001440000005034514532716672016642 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include "client.h" #include "../log.h" static int cmd_iface_pattern(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "set iface pattern"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } const char *value = cmdenv_get(env, "iface-pattern"); if (lldpctl_atom_set_str(config, lldpctl_k_config_iface_pattern, value) == NULL) { log_warnx("lldpctl", "unable to set iface-pattern. %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "iface-pattern set to new value %s", value ? value : "(none)"); lldpctl_atom_dec_ref(config); return 1; } static int cmd_perm_iface_pattern(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "set permanent iface pattern"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } const char *value = cmdenv_get(env, "iface-pattern"); if (lldpctl_atom_set_str(config, lldpctl_k_config_perm_iface_pattern, value) == NULL) { log_warnx("lldpctl", "unable to set permanent iface pattern. %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "permanent iface pattern set to new value %s", value ? value : "(none)"); lldpctl_atom_dec_ref(config); return 1; } static int cmd_iface_promisc(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } if (lldpctl_atom_set_int(config, lldpctl_k_config_iface_promisc, arg ? 1 : 0) == NULL) { log_warnx("lldpctl", "unable to %s promiscuous mode: %s", arg ? "enable" : "disable", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "interface promiscuous mode %s", arg ? "enabled" : "disabled"); lldpctl_atom_dec_ref(config); return 1; } static int cmd_system_description(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { int platform = 0; const char *what = arg; const char *value; if (!strcmp(what, "system")) { value = cmdenv_get(env, "description"); } else { value = cmdenv_get(env, "platform"); platform = 1; } log_debug("lldpctl", "set %s description", what); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } if (lldpctl_atom_set_str(config, platform ? lldpctl_k_config_platform : lldpctl_k_config_description, value) == NULL) { log_warnx("lldpctl", "unable to set description. %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "description set to new value %s", value ? value : "(none)"); lldpctl_atom_dec_ref(config); return 1; } static int cmd_system_chassisid(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { const char *value; value = cmdenv_get(env, "description"); log_debug("lldpctl", "set chassis ID"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } if (lldpctl_atom_set_str(config, lldpctl_k_config_cid_string, value) == NULL) { log_warnx("lldpctl", "unable to set chassis ID. %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "chassis ID set to new value %s", value ? value : "(none)"); lldpctl_atom_dec_ref(config); return 1; } static int cmd_management(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "set management pattern"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } const char *value = cmdenv_get(env, "management-pattern"); if (lldpctl_atom_set_str(config, lldpctl_k_config_mgmt_pattern, value) == NULL) { log_warnx("lldpctl", "unable to set management pattern. %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "management pattern set to new value %s", value ? value : "(none)"); lldpctl_atom_dec_ref(config); return 1; } static int cmd_hostname(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { struct utsname un; log_debug("lldpctl", "set system name"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } const char *value = cmdenv_get(env, "hostname"); if (value && strlen(value) == 1 && value[0] == '.') { if (uname(&un) < 0) { log_warn("lldpctl", "cannot get node name"); lldpctl_atom_dec_ref(config); return 0; } char *c = strchr(un.nodename, '.'); if (c) *c = 0; value = un.nodename; } if (lldpctl_atom_set_str(config, lldpctl_k_config_hostname, value) == NULL) { log_warnx("lldpctl", "unable to set system name. %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "system name set to new value %s", value ? value : "(none)"); lldpctl_atom_dec_ref(config); return 1; } static int cmd_capability(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "set capabilities"); int ret = 0; lldpctl_atom_t *config = lldpctl_get_configuration(conn); lldpctl_atom_t *chassis = NULL; if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); goto cmd_capability_end; } if (!strcmp(arg, "configure")) { const char *s = cmdenv_get(env, "capabilities"); if (s) { chassis = lldpctl_get_local_chassis(conn); if (chassis == NULL) { log_warnx("lldpctl", "unable to get local chassis from lldpd. %s", lldpctl_last_strerror(conn)); goto cmd_capability_end; } u_int16_t value = 0; const char delim[] = ","; char *s_copy = strdup(s); char *token = strtok(s_copy, delim); while (token != NULL) { if (!strcmp(token, "other")) { value |= LLDP_CAP_OTHER; } else if (!strcmp(token, "repeater")) { value |= LLDP_CAP_REPEATER; } else if (!strcmp(token, "bridge")) { value |= LLDP_CAP_BRIDGE; } else if (!strcmp(token, "wlan")) { value |= LLDP_CAP_WLAN; } else if (!strcmp(token, "router")) { value |= LLDP_CAP_ROUTER; } else if (!strcmp(token, "telephone")) { value |= LLDP_CAP_TELEPHONE; } else if (!strcmp(token, "docsis")) { value |= LLDP_CAP_DOCSIS; } else if (!strcmp(token, "station")) { value |= LLDP_CAP_STATION; } else { log_warnx("lldpctl", "capability %s not found", token); } token = strtok(NULL, delim); } free(s_copy); if (lldpctl_atom_set_int(chassis, lldpctl_k_chassis_cap_enabled, value) == NULL) { log_warnx("lldpctl", "unable to set system capabilities. %s", lldpctl_last_strerror(conn)); goto cmd_capability_end; } if (lldpctl_atom_set_int(config, lldpctl_k_config_chassis_cap_override, 1) == NULL) { log_warnx("lldpctl", "unable to set system capabilities override. %s", lldpctl_last_strerror(conn)); goto cmd_capability_end; } log_debug("lldpctl", "system capabilities set to new value %d", value); } } else { if (lldpctl_atom_set_int(config, lldpctl_k_config_chassis_cap_override, 0) == NULL) { log_warnx("lldpctl", "unable to set system capabilities to not override. %s", lldpctl_last_strerror(conn)); goto cmd_capability_end; } } ret = 1; cmd_capability_end: lldpctl_atom_dec_ref(chassis); lldpctl_atom_dec_ref(config); return ret; } static int cmd_update_descriptions(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } if (lldpctl_atom_set_int(config, lldpctl_k_config_ifdescr_update, arg ? 1 : 0) == NULL) { log_warnx("lldpctl", "unable to %s interface description update: %s", arg ? "enable" : "disable", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "interface description update %s", arg ? "enabled" : "disabled"); lldpctl_atom_dec_ref(config); return 1; } static int cmd_bondslave_srcmac_type(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { const char *value_str = 0; int value = -1; log_debug("lldpctl", "bond slave src mac"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } value_str = arg; for (lldpctl_map_t *b_map = lldpctl_key_get_map(lldpctl_k_config_bond_slave_src_mac_type); b_map->string; b_map++) { if (!strcmp(b_map->string, value_str)) { value = b_map->value; break; } } if (value == -1) { log_warnx("lldpctl", "invalid value"); lldpctl_atom_dec_ref(config); return 0; } if (lldpctl_atom_set_int(config, lldpctl_k_config_bond_slave_src_mac_type, value) == NULL) { log_warnx("lldpctl", "unable to set bond slave src mac type." " %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "bond slave src mac set to new value: %s", value_str); lldpctl_atom_dec_ref(config); return 1; } static int cmd_maxneighs(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "set maximum neighbors"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } if (lldpctl_atom_set_str(config, lldpctl_k_config_max_neighbors, cmdenv_get(env, "max-neighbors")) == NULL) { log_warnx("lldpctl", "unable to set maximum of neighbors. %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "maximum neighbors set to new value %s", cmdenv_get(env, "max-neighbors")); lldpctl_atom_dec_ref(config); return 1; } /** * Register `configure system bond-slave-src-mac-type` */ static void register_commands_srcmac_type(struct cmd_node *configure) { struct cmd_node *bond_slave_src_mac_type = commands_new(configure, "bond-slave-src-mac-type", "Set LLDP bond slave source MAC type", NULL, NULL, NULL); for (lldpctl_map_t *b_map = lldpctl_key_get_map(lldpctl_k_config_bond_slave_src_mac_type); b_map->string; b_map++) { if (!strcmp(b_map->string, "real")) { commands_new(commands_new(bond_slave_src_mac_type, b_map->string, "Real mac", NULL, NULL, NULL), NEWLINE, NULL, NULL, cmd_bondslave_srcmac_type, b_map->string); } else if (!strcmp(b_map->string, "zero")) { commands_new(commands_new(bond_slave_src_mac_type, b_map->string, "All zero mac", NULL, NULL, NULL), NEWLINE, NULL, NULL, cmd_bondslave_srcmac_type, b_map->string); } else if (!strcmp(b_map->string, "fixed")) { commands_new(commands_new(bond_slave_src_mac_type, b_map->string, "Fixed value (3Com card)", NULL, NULL, NULL), NEWLINE, NULL, NULL, cmd_bondslave_srcmac_type, b_map->string); } else if (!strcmp(b_map->string, "local")) { commands_new(commands_new(bond_slave_src_mac_type, b_map->string, "Real Mac with locally " "administered bit set", NULL, NULL, NULL), NEWLINE, NULL, NULL, cmd_bondslave_srcmac_type, b_map->string); } } } static void register_commands_capabilities(struct cmd_node *configure, struct cmd_node *unconfigure) { struct cmd_node *configure_capability = commands_new(configure, "capabilities", "Capabilities configuration", cmd_check_no_env, NULL, "ports"); struct cmd_node *unconfigure_capability = commands_new(unconfigure, "capabilities", "Capabilities configuration", cmd_check_no_env, NULL, "ports"); /* Override */ commands_new(commands_new(commands_new(configure_capability, "enabled", "Override capabilities", NULL, NULL, NULL), NULL, " Set of capabilities separated by commas", NULL, cmd_store_env_value, "capabilities"), NEWLINE, "Override capabilities", NULL, cmd_capability, "configure"); /* Do not override */ commands_new(commands_new(unconfigure_capability, "enabled", "Do not override capabilities", NULL, NULL, NULL), NEWLINE, "Do not override capabilities", NULL, cmd_capability, "unconfigure"); } /** * Register `configure system` commands. * * Those are the commands to configure protocol-independant stuff. */ void register_commands_configure_system(struct cmd_node *configure, struct cmd_node *unconfigure) { struct cmd_node *configure_system = commands_new(configure, "system", "System configuration", cmd_check_no_env, NULL, "ports"); struct cmd_node *unconfigure_system = commands_new(unconfigure, "system", "System configuration", cmd_check_no_env, NULL, "ports"); struct cmd_node *configure_interface = commands_new(configure_system, "interface", "Interface related items", NULL, NULL, NULL); struct cmd_node *unconfigure_interface = commands_new(unconfigure_system, "interface", "Interface related items", NULL, NULL, NULL); commands_new(commands_new(commands_new(configure_system, "description", "Override chassis description", NULL, NULL, NULL), NULL, "Chassis description", NULL, cmd_store_env_value, "description"), NEWLINE, "Override chassis description", NULL, cmd_system_description, "system"); commands_new(commands_new(unconfigure_system, "description", "Don't override chassis description", NULL, NULL, NULL), NEWLINE, "Don't override chassis description", NULL, cmd_system_description, "system"); commands_new(commands_new(commands_new(configure_system, "chassisid", "Override chassis ID", NULL, NULL, NULL), NULL, "Chassis ID", NULL, cmd_store_env_value, "description"), NEWLINE, "Override chassis ID", NULL, cmd_system_chassisid, "system"); commands_new(commands_new(unconfigure_system, "chassisid", "Don't override chassis ID", NULL, NULL, NULL), NEWLINE, "Don't override chassis ID", NULL, cmd_system_chassisid, "system"); commands_new(commands_new(commands_new(configure_system, "platform", "Override platform description", NULL, NULL, NULL), NULL, "Platform description (CDP)", NULL, cmd_store_env_value, "platform"), NEWLINE, "Override platform description", NULL, cmd_system_description, "platform"); commands_new(commands_new(unconfigure_system, "platform", "Don't override platform description", NULL, NULL, NULL), NEWLINE, "Don't override platform description", NULL, cmd_system_description, "platform"); commands_new(commands_new(commands_new(configure_system, "hostname", "Override system name", NULL, NULL, NULL), NULL, "System name", NULL, cmd_store_env_value, "hostname"), NEWLINE, "Override system name", NULL, cmd_hostname, NULL); commands_new(commands_new(unconfigure_system, "hostname", "Don't override system name", NULL, NULL, NULL), NEWLINE, "Don't override system name", NULL, cmd_hostname, NULL); commands_new(commands_new(commands_new(configure_system, "max-neighbors", "Set maximum number of neighbors per port", cmd_check_no_env, NULL, "ports"), NULL, "Maximum number of neighbors", NULL, cmd_store_env_value, "max-neighbors"), NEWLINE, "Set maximum number of neighbors per port", NULL, cmd_maxneighs, NULL); commands_new( commands_new(commands_new(commands_new(commands_new(configure_system, "ip", "IP related options", NULL, NULL, NULL), "management", "IP management related options", NULL, NULL, NULL), "pattern", "Set IP management pattern", NULL, NULL, NULL), NULL, "IP management pattern (comma-separated list of wildcards)", NULL, cmd_store_env_value, "management-pattern"), NEWLINE, "Set IP management pattern", NULL, cmd_management, NULL); commands_new( commands_new(commands_new(commands_new(unconfigure_system, "ip", "IP related options", NULL, NULL, NULL), "management", "IP management related options", NULL, NULL, NULL), "pattern", "Delete any IP management pattern", NULL, NULL, NULL), NEWLINE, "Delete any IP management pattern", NULL, cmd_management, NULL); commands_new(commands_new(commands_new(configure_interface, "pattern", "Set active interface pattern", NULL, NULL, NULL), NULL, "Interface pattern (comma-separated list of wildcards)", NULL, cmd_store_env_value, "iface-pattern"), NEWLINE, "Set active interface pattern", NULL, cmd_iface_pattern, NULL); commands_new(commands_new(unconfigure_interface, "pattern", "Delete any interface pattern", NULL, NULL, NULL), NEWLINE, "Clear interface pattern", NULL, cmd_iface_pattern, NULL); commands_new( commands_new(commands_new(configure_interface, "permanent", "Set permanent interface pattern", NULL, NULL, NULL), NULL, "Permanent interface pattern (comma-separated list of wildcards)", NULL, cmd_store_env_value, "iface-pattern"), NEWLINE, "Set permanent interface pattern", NULL, cmd_perm_iface_pattern, NULL); commands_new(commands_new(unconfigure_interface, "permanent", "Clear permanent interface pattern", NULL, NULL, NULL), NEWLINE, "Delete any interface pattern", NULL, cmd_perm_iface_pattern, NULL); commands_new(commands_new(configure_interface, "description", "Update interface descriptions with neighbor name", NULL, NULL, NULL), NEWLINE, "Update interface descriptions with neighbor name", NULL, cmd_update_descriptions, "enable"); commands_new(commands_new(unconfigure_interface, "description", "Don't update interface descriptions with neighbor name", NULL, NULL, NULL), NEWLINE, "Don't update interface descriptions with neighbor name", NULL, cmd_update_descriptions, NULL); commands_new(commands_new(configure_interface, "promiscuous", "Enable promiscuous mode on managed interfaces", NULL, NULL, NULL), NEWLINE, "Enable promiscuous mode on managed interfaces", NULL, cmd_iface_promisc, "enable"); commands_new(commands_new(unconfigure_interface, "promiscuous", "Don't enable promiscuous mode on managed interfaces", NULL, NULL, NULL), NEWLINE, "Don't enable promiscuous mode on managed interfaces", NULL, cmd_iface_promisc, NULL); register_commands_capabilities(configure_system, unconfigure_system); register_commands_srcmac_type(configure_system); } lldpd-1.0.18/src/client/json_writer.c0000644000076400001440000002304114532716672016731 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2017 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #if HAVE_CONFIG_H # include #endif #include #include #include #include #include "writer.h" #include "../compat/compat.h" #include "../log.h" enum tag { STRING, BOOL, ARRAY, OBJECT }; struct element { struct element *parent; /* Parent (if any) */ TAILQ_ENTRY(element) next; /* Sibling (if any) */ char *key; /* Key if parent is an object */ enum tag tag; /* Kind of element */ union { char *string; /* STRING */ int boolean; /* BOOL */ TAILQ_HEAD(, element) children; /* ARRAY or OBJECT */ }; }; struct json_writer_private { FILE *fh; int variant; struct element *root; struct element *current; /* should always be an object */ }; /* Create a new element. If a parent is provided, it will also be attached to * the parent. */ static struct element * json_element_new(struct element *parent, const char *key, enum tag tag) { struct element *child = malloc(sizeof(*child)); if (child == NULL) fatal(NULL, NULL); child->parent = parent; child->key = key ? strdup(key) : NULL; child->tag = tag; TAILQ_INIT(&child->children); if (parent) TAILQ_INSERT_TAIL(&parent->children, child, next); return child; } /* Free the element content (but not the element itself) */ static void json_element_free(struct element *current) { struct element *el, *el_next; switch (current->tag) { case STRING: free(current->string); break; case BOOL: break; case ARRAY: case OBJECT: for (el = TAILQ_FIRST(¤t->children); el != NULL; el = el_next) { el_next = TAILQ_NEXT(el, next); json_element_free(el); TAILQ_REMOVE(¤t->children, el, next); if (current->tag == OBJECT) free(el->key); free(el); } break; } } static void json_free(struct json_writer_private *p) { json_element_free(p->root); free(p->root); } static void json_string_dump(FILE *fh, const char *s) { fprintf(fh, "\""); while (*s != '\0') { unsigned int c = *s; size_t len; switch (c) { case '"': fprintf(fh, "\\\""); s++; break; case '\\': fprintf(fh, "\\\\"); s++; break; case '\b': fprintf(fh, "\\b"); s++; break; case '\f': fprintf(fh, "\\f"); s++; break; case '\n': fprintf(fh, "\\n"); s++; break; case '\r': fprintf(fh, "\\r"); s++; break; case '\t': fprintf(fh, "\\t"); s++; break; default: len = utf8_validate_cz(s); if (len == 0) { /* Not a valid UTF-8 char, use a * replacement character */ fprintf(fh, "\\uFFFD"); s++; } else if (c < 0x1f) { /* 7-bit ASCII character */ fprintf(fh, "\\u%04X", c); s++; } else { /* UTF-8, write as is */ while (len--) fprintf(fh, "%c", *s++); } break; } } fprintf(fh, "\""); } /* Dump an element to the specified file handle. */ static void json_element_dump(FILE *fh, struct element *current, int indent) { static const char pairs[2][2] = { "{}", "[]" }; struct element *el; switch (current->tag) { case STRING: json_string_dump(fh, current->string); break; case BOOL: fprintf(fh, current->boolean ? "true" : "false"); break; case ARRAY: case OBJECT: fprintf(fh, "%c\n%*s", pairs[(current->tag == ARRAY)][0], indent + 2, ""); TAILQ_FOREACH (el, ¤t->children, next) { if (current->tag == OBJECT) fprintf(fh, "\"%s\": ", el->key); json_element_dump(fh, el, indent + 2); if (TAILQ_NEXT(el, next)) fprintf(fh, ",\n%*s", indent + 2, ""); } fprintf(fh, "\n%*c", indent + 1, pairs[(current->tag == ARRAY)][1]); break; } } static void json_dump(struct json_writer_private *p) { json_element_dump(p->fh, p->root, 0); fprintf(p->fh, "\n"); } static void json_start(struct writer *w, const char *tag, const char *descr) { struct json_writer_private *p = w->priv; struct element *child; struct element *new; /* Look for the tag in the current object. */ TAILQ_FOREACH (child, &p->current->children, next) { if (!strcmp(child->key, tag)) break; } if (!child) child = json_element_new(p->current, tag, ARRAY); /* Queue the new element. */ new = json_element_new(child, NULL, OBJECT); p->current = new; } static void json_attr(struct writer *w, const char *tag, const char *descr, const char *value) { struct json_writer_private *p = w->priv; struct element *new = json_element_new(p->current, tag, STRING); if (value && (!strcmp(value, "yes") || !strcmp(value, "on"))) { new->tag = BOOL; new->boolean = 1; } else if (value && (!strcmp(value, "no") || !strcmp(value, "off"))) { new->tag = BOOL; new->boolean = 0; } else { new->string = strdup(value ? value : ""); } } static void json_data(struct writer *w, const char *data) { struct json_writer_private *p = w->priv; struct element *new = json_element_new(p->current, "value", STRING); new->string = strdup(data ? data : ""); } /* When an array has only one member, just remove the array. When an object has * `value` as the only key, remove the object. Moreover, for an object, move the * `name` key outside (inside a new object). This is a recursive function. We * think the depth will be limited. Also, the provided element can be * destroyed. Don't use it after this function! * * During the cleaning process, we will generate array of 1-size objects that * could be turned into an object. We don't do that since people may rely on * this format. Another problem is the format is changing depending on the * number of interfaces or the number of neighbors. */ static void json_element_cleanup(struct element *el) { #ifndef ENABLE_JSON0 struct element *child, *child_next; /* If array with one element, steal the content. Object with only one * value whose key is "value", steal the content. */ if ((el->tag == ARRAY || el->tag == OBJECT) && (child = TAILQ_FIRST(&el->children)) && !TAILQ_NEXT(child, next) && (el->tag == ARRAY || !strcmp(child->key, "value"))) { free(child->key); child->key = el->key; child->parent = el->parent; TAILQ_INSERT_BEFORE(el, child, next); TAILQ_REMOVE(&el->parent->children, el, next); free(el); json_element_cleanup(child); return; } /* Other kind of arrays, recursively clean */ if (el->tag == ARRAY) { for (child = TAILQ_FIRST(&el->children); child; child = child_next) { child_next = TAILQ_NEXT(child, next); json_element_cleanup(child); } return; } /* Other kind of objects, recursively clean, but if one key is "name", * use it's value as a key for a new object stealing the existing * one. */ if (el->tag == OBJECT) { struct element *name_child = NULL; for (child = TAILQ_FIRST(&el->children); child; child = child_next) { child_next = TAILQ_NEXT(child, next); json_element_cleanup(child); } /* Redo a check to find if we have a "name" key now */ for (child = TAILQ_FIRST(&el->children); child; child = child_next) { child_next = TAILQ_NEXT(child, next); if (!strcmp(child->key, "name") && child->tag == STRING) { name_child = child; } } if (name_child) { struct element *new_el = json_element_new(NULL, NULL, OBJECT); /* Replace el by new_el in parent object/array */ new_el->parent = el->parent; TAILQ_INSERT_BEFORE(el, new_el, next); TAILQ_REMOVE(&el->parent->children, el, next); new_el->key = el->key; /* new_el is parent of el */ el->parent = new_el; el->key = name_child->string; /* stolen */ TAILQ_INSERT_TAIL(&new_el->children, el, next); /* Remove "name" child */ TAILQ_REMOVE(&el->children, name_child, next); free(name_child->key); free(name_child); } return; } #endif } static void json_cleanup(struct json_writer_private *p) { if (p->variant != 0) json_element_cleanup(p->root); } static void json_end(struct writer *w) { struct json_writer_private *p = w->priv; while ((p->current = p->current->parent) != NULL && p->current->tag != OBJECT) ; if (p->current == NULL) { fatalx("lldpctl", "unbalanced tags"); return; } /* Display current object if last one */ if (p->current == p->root) { json_cleanup(p); json_dump(p); json_free(p); fprintf(p->fh, "\n"); fflush(p->fh); p->root = p->current = json_element_new(NULL, NULL, OBJECT); } } static void json_finish(struct writer *w) { struct json_writer_private *p = w->priv; if (p->current != p->root) log_warnx("lldpctl", "unbalanced tags"); json_free(p); free(p); free(w); } struct writer * json_init(FILE *fh, int variant) { struct writer *result; struct json_writer_private *priv; priv = malloc(sizeof(*priv)); if (priv == NULL) fatal(NULL, NULL); priv->fh = fh; priv->root = priv->current = json_element_new(NULL, NULL, OBJECT); priv->variant = variant; result = malloc(sizeof(*result)); if (result == NULL) fatal(NULL, NULL); result->priv = priv; result->start = json_start; result->attr = json_attr; result->data = json_data; result->end = json_end; result->finish = json_finish; return result; } lldpd-1.0.18/src/client/kv_writer.c0000644000076400001440000000600514532716672016401 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2010 Andreas Hofmeister * 2010 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include "writer.h" #include "../log.h" #define SEP '.' struct kv_writer_private { FILE *fh; char *prefix; }; static void kv_start(struct writer *w, const char *tag, const char *descr) { struct kv_writer_private *p = w->priv; char *newprefix; int s; s = strlen(p->prefix) + 1 + strlen(tag); if ((newprefix = malloc(s + 1)) == NULL) fatal(NULL, NULL); if (strlen(p->prefix) > 0) snprintf(newprefix, s + 1, "%s\1%s", p->prefix, tag); else snprintf(newprefix, s + 1, "%s", tag); free(p->prefix); p->prefix = newprefix; } static void kv_data(struct writer *w, const char *data) { struct kv_writer_private *p = w->priv; char *key = strdup(p->prefix); char *value = data ? strdup(data) : NULL; char *dot, *nl; if (!key) fatal(NULL, NULL); while ((dot = strchr(key, '\1')) != NULL) *dot = SEP; if (value) { nl = value; while ((nl = strchr(nl, '\n'))) { *nl = ' '; nl++; } } fprintf(p->fh, "%s=%s\n", key, value ? value : ""); free(key); free(value); } static void kv_end(struct writer *w) { struct kv_writer_private *p = w->priv; char *dot; if ((dot = strrchr(p->prefix, '\1')) == NULL) { p->prefix[0] = '\0'; fflush(p->fh); } else *dot = '\0'; } static void kv_attr(struct writer *w, const char *tag, const char *descr, const char *value) { if (!strcmp(tag, "name") || !strcmp(tag, "type")) { /* Special case for name, replace the last prefix */ kv_end(w); kv_start(w, value, NULL); } else { kv_start(w, tag, NULL); kv_data(w, value); kv_end(w); } } static void kv_finish(struct writer *w) { struct kv_writer_private *p = w->priv; free(p->prefix); free(w->priv); w->priv = NULL; free(w); } struct writer * kv_init(FILE *fh) { struct writer *result; struct kv_writer_private *priv; if ((priv = malloc(sizeof(*priv))) == NULL) fatal(NULL, NULL); priv->fh = fh; priv->prefix = strdup(""); if ((result = malloc(sizeof(struct writer))) == NULL) fatal(NULL, NULL); result->priv = priv; result->start = kv_start; result->attr = kv_attr; result->data = kv_data; result->end = kv_end; result->finish = kv_finish; return result; } lldpd-1.0.18/src/client/writer.h0000644000076400001440000000360214532716672015706 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2010 Andreas Hofmeister * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _WRITER_H #define _WRITER_H #include #include struct writer { void *priv; void (*start)(struct writer *, const char *tag, const char *descr); void (*attr)(struct writer *, const char *tag, const char *descr, const char *value); void (*data)(struct writer *, const char *data); void (*end)(struct writer *); void (*finish)(struct writer *); }; #define tag_start(w, ...) w->start(w, ##__VA_ARGS__) #define tag_attr(w, ...) w->attr(w, ##__VA_ARGS__) #define tag_data(w, ...) w->data(w, ##__VA_ARGS__) #define tag_end(w, ...) w->end(w, ##__VA_ARGS__) #define tag_datatag(w, t, d, v) \ do { \ if ((v) == NULL) break; \ w->start(w, t, d); \ w->data(w, v); \ w->end(w); \ } while (0); extern struct writer *txt_init(FILE *); extern struct writer *kv_init(FILE *); extern struct writer *json_init(FILE *, int); #ifdef USE_XML extern struct writer *xml_init(FILE *); #endif /* utf8.c */ size_t utf8_validate_cz(const char *s); #endif /* _WRITER_H */ lldpd-1.0.18/src/client/tokenizer.c0000644000076400001440000000646014532716672016404 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "client.h" #include /** * Tokenize the given line. We support quoted strings and escaped characters * with backslash. * * @param line Line to tokenize. * @param argv Will get an array of arguments tokenized. * @param argc Will get the number of tokenized arguments. * @return 0 on success, -1 on internal error, 1 on unmatched quotes */ int tokenize_line(const char *line, int *argc, char ***argv) { int iargc = 0; char **iargv = NULL; const char ifs[] = " \n\t"; const char quotes[] = "'\""; const char escapes[] = "\\"; char empty = 2; /* Empty character, will be removed from output * but will mark a word. */ /* Escape handle. Also escape quoted characters. */ int escaped = 0; int ipos = 0; char quote = 0; char input[2 * strlen(line) + 3]; /* 3 = 2 for '\n ' and 1 for \0 */ memset(input, 0, 2 * strlen(line) + 3); for (int pos = 0; line[pos]; pos++) { if (line[pos] == '#' && !escaped && !quote) break; if (!escaped && strchr(escapes, line[pos])) escaped = 1; else if (!escaped && strchr(quotes, line[pos]) && !quote) { input[ipos++] = empty; input[ipos++] = '!'; quote = line[pos]; } else if (!escaped && quote == line[pos]) quote = 0; else { input[ipos++] = line[pos]; input[ipos++] = (escaped || quote) ? '!' : ' '; escaped = 0; } } if (escaped || quote) return 1; /* Trick to not have to handle \0 in a special way */ input[ipos++] = ifs[0]; input[ipos++] = ' '; /* Tokenize, we don't have to handle quotes anymore */ int wbegin = -1; /* Offset of the beginning of the current word */ #define CURRENT (input[2 * pos]) #define ESCAPED (input[2 * pos + 1] != ' ') for (int pos = 0; CURRENT; pos++) { if (wbegin == -1) { if (!ESCAPED && strchr(ifs, CURRENT)) /* IFS while not in a word, continue. */ continue; /* Start a word. */ wbegin = pos; continue; } if (ESCAPED || !strchr(ifs, CURRENT)) /* Regular character in a word. */ continue; /* End of word. */ char *word = calloc(1, pos - wbegin + 1); if (!word) goto error; int i, j; for (i = wbegin, j = 0; i != pos; i++) if (input[2 * i] != empty) word[j++] = input[2 * i]; char **nargv = realloc(iargv, sizeof(char *) * (iargc + 1)); if (!nargv) { free(word); goto error; } nargv[iargc++] = word; iargv = nargv; wbegin = -1; } *argc = iargc; *argv = iargv; return 0; error: tokenize_free(iargc, iargv); return -1; } void tokenize_free(int argc, char **argv) { while (argc) free(argv[--argc]); free(argv); } lldpd-1.0.18/src/client/misc.c0000644000076400001440000000407214532716672015322 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "client.h" #include #include /** * Check if an element is present in a comma-separated list. * * @param list Comma-separated list of elements. * @param element Element we want to check for. * @return 0 if the element was not found, 1 otherwise. */ int contains(const char *list, const char *element) { int len; if (element == NULL || list == NULL) return 0; while (list) { len = strlen(element); if (!strncmp(list, element, len) && (list[len] == '\0' || list[len] == ',')) return 1; list = strchr(list, ','); if (list) list++; } return 0; } /** * Transform a string to a tag. This puts the string into lower space and * replace spaces with '-'. The result is statically allocated. * * @param value String to transform to a tag. * @return The tagged value or the string "none" if @c value is @c NULL */ const char * totag(const char *value) { int i; static char *result = NULL; free(result); result = NULL; if (!value) return "none"; result = calloc(1, strlen(value) + 1); if (!result) return "none"; for (i = 0; i < strlen(value); i++) { switch (value[i]) { case ' ': result[i] = '-'; break; default: result[i] = tolower((int)value[i]); break; } } return result; } lldpd-1.0.18/src/client/text_writer.c0000644000076400001440000000735114532716672016752 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2010 Andreas Hofmeister * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "writer.h" #include "../log.h" static char sep[] = "-------------------------------------------------------------------------------"; struct txt_writer_private { FILE *fh; int level; int attrs; int lastnl; }; static void txt_fprintf(struct txt_writer_private *p, const char *fmt, ...) { va_list ap; // Don't add a newline if we already had one. while (p->lastnl && fmt[0] == '\n') { fmt += 1; } if (fmt[0] == '\0') return; va_start(ap, fmt); vfprintf(p->fh, fmt, ap); va_end(ap); p->lastnl = (strlen(fmt) > 0 && fmt[strlen(fmt) - 1] == '\n'); } static void txt_start(struct writer *w, const char *tag, const char *descr) { struct txt_writer_private *p = w->priv; int i = 0; char buf[128]; if (p->level == 0) { txt_fprintf(p, "%s\n", sep); } else if (!p->lastnl) { txt_fprintf(p, "\n"); } for (i = 1; i < p->level; i++) { txt_fprintf(p, " "); } snprintf(buf, sizeof(buf), "%s:", descr); txt_fprintf(p, "%-13s", buf); if (p->level == 0) txt_fprintf(p, "\n%s", sep); p->level++; p->attrs = 0; } static void txt_attr(struct writer *w, const char *tag, const char *descr, const char *value) { struct txt_writer_private *p = w->priv; if (descr == NULL || strlen(descr) == 0) { txt_fprintf(p, "%s%s", (p->attrs > 0 ? ", " : " "), value ? value : "(none)"); } else { txt_fprintf(p, "%s%s: %s", (p->attrs > 0 ? ", " : " "), descr, value ? value : "(none)"); } p->attrs++; } static void txt_data(struct writer *w, const char *data) { struct txt_writer_private *p = w->priv; char *nl, *begin; char *v = begin = data ? strdup(data) : NULL; if (v == NULL) { txt_fprintf(p, " %s", data ? data : "(none)"); return; } txt_fprintf(p, " "); while ((nl = strchr(v, '\n')) != NULL) { *nl = '\0'; txt_fprintf(p, "%s\n", v); v = nl + 1; /* Indent */ int i; for (i = 1; i < p->level - 1; i++) { txt_fprintf(p, " "); } txt_fprintf(p, "%-14s", " "); } txt_fprintf(p, "%s", v); free(begin); } static void txt_end(struct writer *w) { struct txt_writer_private *p = w->priv; p->level--; if (p->level == 1) { txt_fprintf(p, "\n%s", sep); fflush(p->fh); } } static void txt_finish(struct writer *w) { struct txt_writer_private *p = w->priv; txt_fprintf(p, "\n"); free(w->priv); w->priv = NULL; free(w); } struct writer * txt_init(FILE *fh) { struct writer *result; struct txt_writer_private *priv; priv = malloc(sizeof(*priv)); if (!priv) { fatalx("lldpctl", "out of memory"); return NULL; } priv->fh = fh; priv->level = 0; priv->attrs = 0; priv->lastnl = 1; result = malloc(sizeof(struct writer)); if (!result) { fatalx("lldpctl", "out of memory"); free(priv); return NULL; } result->priv = priv; result->start = txt_start; result->attr = txt_attr; result->data = txt_data; result->end = txt_end; result->finish = txt_finish; return result; } lldpd-1.0.18/src/client/lldpcli.8.in0000644000076400001440000007422714532716672016355 0ustar00bernatusers.\" Copyright (c) 2006 Pierre-Yves Ritschard .\" Copyright (c) 2008 Vincent Bernat .\" .\" Permission to use, copy, modify, and/or distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above .\" copyright notice and this permission notice appear in all copies. .\" .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" .Dd $Mdocdate: July 16 2008 $ .Dt LLDPCLI 8 .Os .Sh NAME .Nm lldpcli , .Nm lldpctl .Nd control LLDP daemon .Sh SYNOPSIS .Nm .Op Fl dv .Op Fl u Ar socket .Op Fl f Ar format .Op Fl c Ar file .Op Ar command ... .Nm lldpctl .Op Fl dv .Op Fl u Ar socket .Op Fl f Ar format .Op Ar interfaces ... .Sh DESCRIPTION The .Nm program controls .Xr lldpd 8 daemon. .Pp When no command is specified, .Nm will start an interactive shell which can be used to input arbitrary commands as if they were specified on the command line. This interactive shell should provide completion and history support. .Pp The options are as follows: .Bl -tag -width Ds .It Fl d Enable more debugging information. This flag can be repeated. .It Fl u Ar socket Specify the Unix-domain socket used for communication with .Xr lldpd 8 . .It Fl v Show .Nm version. When repeated, show more build information. .It Fl f Ar format Choose the output format. Currently .Em plain , .Em xml , .Em json , .Em json0 and .Em keyvalue formats are available. The default is .Em plain . .Em json0 is more verbose than .Em json but the structure of the JSON object is not affected by the number of interfaces or the number of neighbors. It is therefore easier to parse. .It Fl c Ar file Read the given configuration file. This option may be repeated several times. If a directory is provided, each file contained in it will be read if ending by .Li .conf . Order is alphabetical. .El .Pp When invoked as .Nm lldpctl , .Nm will display detailed information about each neighbors on the specified interfaces or on all interfaces if none are specified. This command is mostly kept for backward compatibility with older versions. .Pp The following commands are supported by .Nm . When there is no ambiguity, the keywords can be abbreviated. For example, .Cd show neighbors ports eth0 summary and .Cd sh neigh p eth0 sum are the same command. .Bd -ragged -offset XX .Cd exit .Bd -ragged -offset XXXXXX Quit .Nm . .Ed .Cd help Op ... .Bd -ragged -offset XXXXXX Display general help or help about a command. Also, you can get help using the completion or by pressing the .Ic ? key. However, completion and inline help may be unavailable if .Nm was compiled without readline support but .Cd help command is always available. .Ed .Cd show neighbors .Op ports Ar ethX Op ,... .Op Cd details | summary .Op Cd hidden .Bd -ragged -offset XXXXXX Display information about each neighbor known by .Xr lldpd 8 daemon. With .Cd summary , only the name and the port description of each remote host will be displayed. On the other hand, with .Cd details , all available information will be displayed, giving a verbose view. When using .Cd hidden , also display remote ports hidden by the smart filter. When specifying one or several ports, the information displayed is limited to the given list of ports. .Ed .Cd show interfaces .Op ports Ar ethX Op ,... .Op Cd details | summary .Op Cd hidden .Bd -ragged -offset XXXXXX Display information about each local interface known by .Xr lldpd 8 daemon. With .Cd summary , only the name and the port description of each local interface will be displayed. On the other hand, with .Cd details , all available information will be displayed, giving a verbose view. When using .Cd hidden , also display local ports hidden by the smart filter. When specifying one or several ports, the information displayed is limited to the given list of ports. .Ed .Cd show chassis .Op Cd details | summary .Bd -ragged -offset XXXXXX Display information about local chassis. With .Cd summary , most details are skipped. On the other hand, with .Cd details , all available information will be displayed, giving a verbose view. .Ed .Cd watch .Op ports Ar ethX Op ,... .Op Cd details | summary .Op Cd hidden .Op Cd limit Ar X .Bd -ragged -offset XXXXXX Watch for any neighbor changes and report them as soon as they happen. When specifying ports, the changes are only reported when happening on the given ports. .Cd hidden , summary and .Cd details have the same meaning than previously described. If .Cd limit is specified, .Nm will exit after receiving the specified number of events. .Ed .Cd show configuration .Bd -ragged -offset XXXXXX Display global configuration of .Xr lldpd 8 daemon. .Ed .Cd show statistics .Op ports Ar ethX Op ,... .Op Cd summary .Bd -ragged -offset XXXXXX Report LLDP-related statistics, like the number of LLDPDU transmitted, received, discarded or unrecognized. When specifying ports, only the statistics from the given port are reported. With .Cd summary the statistics of each port is summed. .Ed .Cd update .Bd -ragged -offset XXXXXX Make .Xr lldpd 8 update its information and send new LLDP PDU on all interfaces. .Ed .Cd configure .Cd system hostname Ar name .Bd -ragged -offset XXXXXX Override system hostname with the provided value. By default, the system name is the FQDN found from the resolved value of .Ic uname -n . As a special value, use "." (dot) to use the short hostname instead of a FQDN. .Ed .Cd unconfigure .Cd system hostname .Bd -ragged -offset XXXXXX Do not override system hostname and restore the use of the node name. .Ed .Cd configure .Cd system description Ar description .Bd -ragged -offset XXXXXX Override chassis description with the provided value instead of using kernel name, node name, kernel version, build date and architecture. .Ed .Cd unconfigure .Cd system description .Bd -ragged -offset XXXXXX Do not override chassis description and use a value computed from node name, kernel name, kernel version, build date and architecture instead. .Ed .Cd configure .Cd system chassisid Ar description .Bd -ragged -offset XXXXXX Override chassis ID with the provided value instead of using MAC address from one interface or host name. .Ed .Cd unconfigure .Cd system chassisid .Bd -ragged -offset XXXXXX Do not override chassis ID and use a value computed from one of the interface MAC address (or host name if none is found). .Ed .Cd configure .Cd system platform Ar description .Bd -ragged -offset XXXXXX Override platform description with the provided value instead of using kernel name. This value is currently only used for CDP. .Ed .Cd unconfigure .Cd system platform .Bd -ragged -offset XXXXXX Do not override platform description and use the kernel name. This option undoes the previous one. .Ed .Cd configure .Cd system capabilities enabled Ar capabilities .Bd -ragged -offset XXXXXX Override system capabilities with the provided value instead of using kernel information. Several capabilities can be specified separated by commas. Only available capabilities can be enabled. Valid capabilities are: .Bl -tag -width "XXX." -compact -offset XX .It Sy other .It Sy repeater .It Sy bridge .It Sy wlan .It Sy router .It Sy telephone .It Sy docsis .It Sy station .El Here is an example of use: .D1 configure system capabilities enabled bridge,router .Pp .Ed .Cd unconfigure .Cd system capabilities enabled .Bd -ragged -offset XXXXXX Do not override capabilities and use the kernel information. This option undoes the previous one. .Ed .Cd configure .Cd system interface pattern Ar pattern .Bd -ragged -offset XXXXXX Specify which interface to listen and send LLDPDU to. Without this option, .Nm lldpd will use all available physical interfaces. This option can use wildcards. Several interfaces can be specified separated by commas. It is also possible to remove an interface by prefixing it with an exclamation mark. It is possible to allow an interface by prefixing it with two exclamation marks. An allowed interface beats a forbidden interfaces which beats a simple matched interface. For example, with .Em eth*,!eth1,!eth2 .Nm lldpd will only use interfaces starting by .Em eth with the exception of .Em eth1 and .Em eth2 . While with .Em *,!eth*,!!eth1 .Nm will use all interfaces, except interfaces starting by .Em eth with the exception of .Em eth1 . When an exact match is found, it will circumvent some tests. For example, if .Em eth0.12 is specified, it will be accepted even if this is a VLAN interface. .Ed .Cd unconfigure .Cd system interface pattern .Bd -ragged -offset XXXXXX Remove any previously configured interface pattern and use all physical interfaces. This option undoes the previous one. .Ed .Cd configure .Cd system interface permanent Ar pattern .Bd -ragged -offset XXXXXX Specify interfaces whose configuration is permanently kept by .Nm lldpd . By default, .Nm lldpd disregard any data about interfaces when they are removed from the system (statistics, custom configuration). This option allows one to specify a pattern similar to the interface pattern. If an interface disappear but matches the pattern, its data is kept in memory and reused if the interface reappear at some point. For example, on Linux, one could use the pattern .Em eth*,eno*,enp* , which should match fixed interfaces on most systems. .Ed .Cd unconfigure .Cd system interface permanent .Bd -ragged -offset XXXXXX Remove any previously configured permanent interface pattern. Any interface removed from the system will be forgotten. This option undoes the previous one. .Ed .Cd configure .Cd system interface description .Bd -ragged -offset XXXXXX Some OS allows the user to set a description for an interface. Setting this option will enable .Nm lldpd to override this description with the name of the peer neighbor if one is found or with the number of neighbors found. .Ed .Cd unconfigure .Cd system interface description .Bd -ragged -offset XXXXXX Do not update interface description with the name of the peer neighbor. This option undoes the previous one. .Ed .Cd configure .Cd system interface promiscuous .Bd -ragged -offset XXXXXX Enable promiscuous mode on managed interfaces. .Pp When the interface is not managed any more (or when quitting .Nm lldpd ) , the interface is left in promiscuous mode as it is difficult to know if someone else also put the interface in promiscuous mode. .Pp This option is known to be useful when the remote switch is a Cisco 2960 and the local network card features VLAN hardware acceleration. In this case, you may not receive LLDP frames from the remote switch. The most plausible explanation for this is the frame is tagged with some VLAN (usually VLAN 1) and your network card is filtering VLAN. This is not the only available solution to work-around this problem. If you are concerned about performance issues, you can also tag the VLAN 1 on each interface instead. .Pp Currently, this option has no effect on anything else than Linux. On other OS, either disable VLAN acceleration, tag VLAN 1 or enable promiscuous mode manually on the interface. .Ed .Cd unconfigure .Cd system interface promiscuous .Bd -ragged -offset XXXXXX Do not set promiscuous mode on managed interfaces. This option does not disable promiscuous mode on interfaces already using this mode. .Ed .Cd configure .Cd system ip management pattern Ar pattern .Bd -ragged -offset XXXXXX Specify the management addresses of this system. As for interfaces (described above), this option can use wildcards and inversions. Without this option, the first IPv4 and the first IPv6 are used. If an exact IP address is provided, it is used as a management address without any check. If only negative patterns are provided, only one IPv4 and one IPv6 addresses are chosen. Otherwise, many of them can be selected. If you want to remove IPv6 addresses, you can use .Em !*:* . If an interface name is matched, the first IPv4 address and the first IPv6 address associated to this interface will be chosen. .Ed .Cd unconfigure .Cd system ip management pattern .Bd -ragged -offset XXXXXX Unset any specific pattern for matching management addresses. This option undoes the previous one. .Ed .Cd configure .Cd system bond-slave-src-mac-type Ar value .Bd -ragged -offset XXXXXX Set the type of src mac in lldp frames sent on bond slaves Valid types are: .Bl -tag -width "XXX." -compact -offset XX .It Sy real Slave real mac .It Sy zero All zero mac .It Sy fixed An arbitrary fixed value .Li ( 00:60:08:69:97:ef ) .It Sy local Real mac with locally administered bit set. If the real mac already has the locally administered bit set, fallback to the fixed value. .El .Pp Default value for .Nm bond-slave-src-mac-type is .Nm local . Some switches may complain when using one of the two other possible values (either because .Li 00:00:00:00:00:00 is not a valid MAC or because the MAC address is flapping from one port to another). Using .Sy local might lead to a duplicate MAC address on the network (but this is quite unlikely). .Ed .Cd configure .Cd system max-neighbors Ar neighbors .Bd -ragged -offset XXXXXX Change the maximum number of neighbors accepted (for each protocol) on an interface. This is a global value. The default is 32. This setting only applies to future neighbors. .Ed .Cd configure .Cd lldp agent-type .Cd nearest-bridge | nearest-non-tpmr-bridge | nearest-customer-bridge .Bd -ragged -offset XXXXXX The destination MAC address used to send LLDPDU allows an agent to control the propagation of LLDPDUs. By default, the .Li 01:80:c2:00:00:0e MAC address is used and limit the propagation of the LLDPDU to the nearest bridge .Cd ( nearest-bridge ) . To instruct .Nm lldpd to use the .Li 01:80:c2:00:00:03 MAC address instead, use .Cd nearest-nontpmr-bridge instead. To use the .Li 01:80:c2:00:00:00 MAC address instead, use .Cd nearest-customer-bridge instead. .Ed .Cd configure .Cd lldp capabilities-advertisements .Pp .Cd unconfigure .Cd lldp capabilities-advertisements .Bd -ragged -offset XXXXXX Enable or disable advertisements of the chassis capabilities TLV. .Ed .Cd configure .Cd lldp management-addresses-advertisements .Pp .Cd unconfigure .Cd lldp management-addresses-advertisements .Bd -ragged -offset XXXXXX Enable or disable advertisements of the management address TLV. .Ed .Cd configure .Cd lldp portidsubtype .Cd ifname | macaddress .Pp .Cd configure .Op ports Ar ethX Op ,... .Cd lldp portidsubtype .Cd local Ar value .Bd -ragged -offset XXXXXX Force port ID subtype. By default, .Nm lldpd will use the MAC address as port identifier and the interface name as port description, unless the interface has an alias. In this case, the interface name will be used as port identifier and the description will be the interface alias. With this command, you can force the port identifier to be the interface name (with .Cd ifname ) , the MAC address (with .Cd macaddress ) or a local value (with .Cd value ) . In the latest case, the local value should be provided. .Ed .Cd configure .Op ports Ar ethX Op ,... .Cd lldp portdescription .Cd Ar description .Bd -ragged -offset XXXXXX Force port description to the provided string. .Ed .Cd configure .Cd lldp tx-interval Ar interval .Bd -ragged -offset XXXXXX Change transmit delay to the specified value in seconds. The transmit delay is the delay between two transmissions of LLDP PDU. The default value is 30 seconds. Note: .Nm lldpd also starts another system based refresh timer on each port to detect changes such as a hostname. This is the value of the tx-interval multiplied by 20. .Pp You can specify an .Cd interval value in milliseconds by appending a "ms" suffix to the figure (e.g. "configure lldp tx-interval 1500ms" is 1.5s, not 1500s). In this case the TTL for received and sent LLDP frames is rounded up to the next second. Note: the effective interval can be limited by the operating system capabilities and CPU speed. .Ed .Cd configure .Cd lldp tx-hold Ar hold .Bd -ragged -offset XXXXXX Change transmit hold value to the specified value. This value is used to compute the TTL of transmitted packets which is the product of this value and of the transmit delay. The default value is 4 and therefore the default TTL is 120 seconds. .Ed .Cd configure .Op ports Ar ethX Op ,... .Cd lldp .Cd status Ar rx-and-tx | rx-only | tx-only | disabled .Bd -ragged -offset XXXXXX Configure the administrative status of the given port. By default, all ports are configured to be in .Ar rx-and-tx mode. This means they can receive and transmit LLDP frames (as well as other protocols if needed). In .Ar rx-only mode, they won't emit any frames and in .Ar tx-only mode, they won't receive any frames. In .Ar disabled mode, no frame will be sent and any incoming frame will be discarded. This setting does not override the operational mode of the main daemon. If it is configured in receive-only mode (with the .Fl r flag), setting any transmit mode won't have any effect. .Ed .Cd configure .Op ports Ar ethX Op ,... .Cd lldp .Cd vlan-tx Ar vlan_id .Op Cd prio Ar priority Op Cd dei Ar dei .Bd -ragged -offset XXXXXX Configure the given port to send LLDP frames over a specified VLAN. With VLAN Identifier (VID) as .Ar vlan_id , Priority Code Point (PCP) as .Ar priority , and Drop Eligible Indicator (DEI) as .Ar dei . .Nm lldpd accepts LLDP frames on all VLANs. .Ed .Cd configure .Op ports Ar ethX Op ,... .Cd lldp custom-tlv .Op Cd add | replace .Cd oui Ar oui .Cd subtype Ar subtype .Op Cd oui-info Ar content .Bd -ragged -offset XXXXXX Emit a custom TLV for OUI .Ar oui , with subtype .Ar subtype and optionally with the bytes specified in .Ar content . Both .Ar oui and .Ar content should be a comma-separated list of bytes in hex format. .Ar oui must be exactly 3-byte long. If .Ar add is specified then the TLV will be added. This is the default action. If .Ar replace is specified then all TLVs with the same .Ar oui and .Ar subtype will be replaced. .Ed .Cd unconfigure .Op ports Ar ethX Op ,... .Cd lldp custom-tlv .Op Cd oui Ar oui .Op Cd subtype Ar subtype .Bd -ragged -offset XXXXXX When no oui is specified, remove all previously configured custom TLV. When OUI .Ar oui and subtype .Ar subtype is specified, remove specific instances of custom TLV. .Ed .Cd configure med fast-start .Cd enable | tx-interval Ar interval .Bd -ragged -offset XXXXXX Configure LLDP-MED fast start mechanism. When a new LLDP-MED-enabled neighbor is detected, fast start allows .Nm lldpd to shorten the interval between two LLDPDU. .Cd enable should enable LLDP-MED fast start while .Cd tx-interval specifies the interval between two LLDPDU in seconds. The default interval is 1 second. Once 4 LLDPDU have been sent, the fast start mechanism is disabled until a new neighbor is detected. .Ed .Cd unconfigure med fast-start .Bd -ragged -offset XXXXXX Disable LLDP-MED fast start mechanism. .Ed .Cd configure .Op ports Ar ethX Op ,... .Cd med location coordinate .Cd latitude Ar latitude .Cd longitude Ar longitude .Cd altitude Ar altitude Ar unit .Cd datum Ar datum .Bd -ragged -offset XXXXXX Advertise a coordinate based location on the given ports (or on all ports if no port is specified). The format of .Ar latitude is a decimal floating point number followed either by .Em N or .Em S . The format of .Ar longitude is a decimal floating point number followed either by .Em E or .Em W . .Ar altitude is a decimal floating point number followed either by .Em m when expressed in meters or .Em f when expressed in floors. A space is expected between the floating point number and the unit. .Ar datum is one of those values: .Bl -bullet -compact -offset XXXXXXXX .It WGS84 .It NAD83 .It NAD83/MLLW .El .Pp A valid use of this command is: .D1 configure ports eth0 med location coordinate latitude 48.85667N longitude 2.2014E altitude 117.47 m datum WGS84 .Ed .Cd configure .Op ports Ar ethX Op ,... .Cd med location address .Cd country Ar country .Cd Op Ar type value Op ... .Bd -ragged -offset XXXXXX Advertise a civic address on the given ports (or on all ports if no port is specified). .Ar country is the two-letter code representing the country. The remaining arguments should be paired to form the address. The first member of each pair indicates the type of the second member which is a free-form text. Here is the list of valid types: .Bl -bullet -compact -offset XXXXXXXX .It language .It country-subdivision .It county .It city .It city-division .It block .It street .It direction .It trailing-street-suffix .It street-suffix .It number .It number-suffix .It landmark .It additional .It name .It zip .It building .It unit .It floor .It room .It place-type .It script .El .Pp A valid use of this command is: .D1 configure ports eth1 med location address country US street Qo Commercial Road Qc city Qo Roseville Qc .Ed .Cd configure .Op ports Ar ethX Op ,... .Cd med location elin .Ar number .Bd -ragged -offset XXXXXX Advertise the availability of an ELIN number. This is used for setting up emergency call. If the provided number is too small, it will be padded with 0. Here is an example of use: .D1 configure ports eth2 med location elin 911 .Ed .Cd configure .Op ports Ar ethX Op ,... .Cd med policy .Cd application Ar application .Op Cd unknown .Op Cd tagged .Op Cd vlan Ar vlan .Op Cd priority Ar priority .Op Cd dscp Ar dscp .Bd -ragged -offset XXXXXX Advertise a specific network policy for the given ports (or for all ports if no port was provided). Only the application type is mandatory. .Ar application should be one of the following values: .Bl -bullet -compact -offset XXXXXXXX .It voice .It voice-signaling .It guest-voice .It guest-voice-signaling .It softphone-voice .It video-conferencing .It streaming-video .It video-signaling .El .Pp The .Cd unknown flag tells that the network policy for the specified application type is required by the device but is currently unknown. This is used by Endpoint Devices, not by Network Connectivity Devices. If not specified, the network policy for the given application type is defined. .Pp When a VLAN is specified with .Ar vlan tells which 802.1q VLAN ID has to be advertised for the network policy. A valid value is between 1 and 4094. .Cd tagged tells the VLAN should be tagged for the specified application type. .Pp .Ar priority allows one to specify IEEE 802.1d / IEEE 802.1p Layer 2 Priority, also known as Class of Service (CoS), to be used for the specified application type. This field is usually ignored if no VLAN is specified. The names match 802.1D-2004 standard (table G-2). Some more recent standards may use different labels. Only the numeric values should be relied upon. The accepted labels are: .Bl -tag -width "X." -compact -offset XXXX .It Sy 1 background .It Sy 0 best-effort .It Sy 2 excellent-effort .It Sy 3 critical-applications .It Sy 4 video .It Sy 5 voice .It Sy 6 internetwork-control .It Sy 7 network-control .El .Pp .Ar dscp represents the DSCP value to be advertised for the given network policy. DiffServ/Differentiated Services Code Point (DSCP) value as defined in IETF RFC 2474 for the specified application type. Value: 0 (default per RFC 2475) through 63. Note: The class selector DSCP values are backwards compatible for devices that only support the old IP precedence Type of Service (ToS) format. (See the RFCs for what these values mean) .Pp A valid use of this command is: .D1 configure med policy application voice vlan 500 priority voice dscp 46 .Ed .Cd configure .Cd inventory hardware-revision Ar value .Bd -ragged -offset XXXXXX Override hardware-revision with the provided value. By default, the hardware-revision is fetched from /sys/class/dmi .Ed .Cd unconfigure .Cd inventory hardware-revision .Bd -ragged -offset XXXXXX Do not override hardware-revision and restore the use of the /sys/class/dmi value. .Ed .Cd configure .Cd inventory software-revision Ar value .Bd -ragged -offset XXXXXX Override software-revision with the provided value. By default, the software-revision is fetched from uname .Ed .Cd unconfigure .Cd inventory software-revision .Bd -ragged -offset XXXXXX Do not override software-revision and restore the use of the uname value. .Ed .Cd configure .Cd inventory firmware-revision Ar value .Bd -ragged -offset XXXXXX Override firmware-revision with the provided value. By default, the firmware-revision is fetched from /sys/class/dmi .Ed .Cd unconfigure .Cd inventory firmware-revision .Bd -ragged -offset XXXXXX Do not override firmware-revision and restore the use of the /sys/class/dmi value. .Ed .Cd configure .Cd inventory serial-number Ar value .Bd -ragged -offset XXXXXX Override serial-number with the provided value. By default, the serial-number is fetched from /sys/class/dmi .Ed .Cd unconfigure .Cd inventory serial-number .Bd -ragged -offset XXXXXX Do not override serial-number and restore the use of the /sys/class/dmi value. .Ed .Cd configure .Cd inventory manufacturer Ar value .Bd -ragged -offset XXXXXX Override manufacturer with the provided value. By default, the manufacturer is fetched from /sys/class/dmi .Ed .Cd unconfigure .Cd inventory manufacturer .Bd -ragged -offset XXXXXX Do not override manufacturer and restore the use of the /sys/class/dmi value. .Ed .Cd configure .Cd inventory model Ar value .Bd -ragged -offset XXXXXX Override model with the provided value. By default, the model is fetched from /sys/class/dmi .Ed .Cd unconfigure .Cd inventory model .Bd -ragged -offset XXXXXX Do not override model and restore the use of the /sys/class/dmi value. .Ed .Cd configure .Cd inventory asset Ar value .Bd -ragged -offset XXXXXX Override asset with the provided value. By default, the asset is fetched from /sys/class/dmi .Ed .Cd unconfigure .Cd inventory asset .Bd -ragged -offset XXXXXX Do not override asset and restore the use of the /sys/class/dmi value. .Ed .Cd configure .Op ports Ar ethX Op ,... .Cd med power pse | pd .Cd source Ar source .Cd priority Ar priority .Cd value Ar value .Bd -ragged -offset XXXXXX Advertise the LLDP-MED POE-MDI TLV for the given ports or for all interfaces if no port is provided. One can act as a PD (power consumer) or a PSE (power provider). No check is done on the validity of the parameters while LLDP-MED requires some restrictions: .Bl -bullet .It PD shall never request more power than physical 802.3af class. .It PD shall never draw more than the maximum power advertised by PSE. .It PSE shall not reduce power allocated to PD when this power is in use. .It PSE may request reduced power using conservation mode .It Being PSE or PD is a global parameter, not a per-port parameter. .Nm does not enforce this: a port can be set as PD or PSE. LLDP-MED also requires for a PSE to only have one power source (primary or backup). Again, .Nm does not enforce this. Each port can have its own power source. The same applies for PD and power priority. LLDP-MED MIB does not allow this kind of representation. .El .Pp Valid types are: .Bl -tag -width "XXX." -compact -offset XX .It Sy pse Power Sourcing Entity (power provider) .It Sy pd Power Device (power consumer) .El .Pp Valid sources are: .Bl -tag -width "XXXXXXX" -compact -offset XX .It Sy unknown Unknown .It Sy primary For PSE, the power source is the primary power source. .It Sy backup For PSE, the power source is the backup power source or a power conservation mode is asked (the PSE may be running on UPS for example). .It Sy pse For PD, the power source is the PSE. .It Sy local For PD, the power source is a local source. .It Sy both For PD, the power source is both the PSE and a local source. .El .Pp Valid priorities are: .Bl -tag -width "XXXXXXXXX" -compact -offset XX .It Sy unknown Unknown priority .It Sy critical Critical .It Sy high High .It Sy low Low .El .Pp .Ar value should be the total power in milliwatts required by the PD device or available by the PSE device. .Pp Here is an example of use: .D1 configure med power pd source pse priority high value 5000 .Ed .Cd configure .Op ports Ar ethX Op ,... .Cd dot3 power pse | pd .Op Cd supported .Op Cd enabled .Op Cd paircontrol .Cd powerpairs Ar powerpairs .Op Cd class Ar class .Op Cd type Ar type Cd source Ar source Cd priority Ar priority Cd requested Ar requested Cd allocated Ar allocated .Bd -ragged -offset XXXXXX Advertise Dot3 POE-MDI TLV for the given port or for all ports if none was provided. One can act as a PD (power consumer) or a PSE (power provider). This configuration is distinct of the configuration of the transmission of the LLDP-MED POE-MDI TLV but the user should ensure the coherency of those two configurations if they are used together. .Pp .Ar supported means that MDI power is supported on the given port while .Ar enabled means that MDI power is enabled. .Ar paircontrol is used to indicate if pair selection can be controlled. Valid values for .Ar powerpairs are: .Bl -tag -width "XXXXXX" -compact -offset XX .It Sy signal The signal pairs only are in use. .It Sy spare The spare pairs only are in use. .El .Pp When specified, .Ar class is a number between 0 and 4. .Pp The remaining parameters are in conformance with 802.3at and are optional. .Ar type should be either 1 or 2, indicating which if the device conforms to 802.3at type 1 or 802.3at type 2. Values of .Ar source and .Ar priority are the same as for LLDP-MED POE-MDI TLV. .Ar requested and .Ar allocated are expressed in milliwats. .Pp Here are two valid uses of this command: .D1 configure ports eth3 dot3 power pse supported enabled paircontrol powerpairs spare class class-3 .D1 configure dot3 power pd supported enabled powerpairs spare class class-3 type 1 source pse priority low requested 10000 allocated 15000 .Ed .Cd pause .Bd -ragged -offset XXXXXX Pause .Nm lldpd operations. .Nm lldpd will not send any more frames or receive ones. This can be undone with .Cd resume command. This only works interactively as lldpd asks lldpcli to unpause after reading the configuration file. .Ed .Cd resume .Bd -ragged -offset XXXXXX Resume .Nm lldpd operations. .Nm lldpd will start to send and receive frames. This command is issued internally after processing configuration but can be used at any time if a manual .Cd pause command is issued. .Ed .Ed .Sh FILES .Bl -tag -width "@LLDPD_CTL_SOCKET@XX" -compact .It @LLDPD_CTL_SOCKET@ Unix-domain socket used for communication with .Xr lldpd 8 . .El .Sh SEE ALSO .Xr lldpd 8 .Sh AUTHORS .An -nosplit The .Nm program was written by .An Vincent Bernat Aq bernat@luffy.cx . lldpd-1.0.18/src/client/Makefile.am0000644000076400001440000000254514532716672016262 0ustar00bernatusersAM_CFLAGS = -I $(top_srcdir)/include $(LLDP_CFLAGS) AM_CPPFLAGS = $(LLDP_CPPFLAGS) AM_LDFLAGS = $(LLDP_LDFLAGS) sbin_PROGRAMS = lldpcli man_MANS = lldpcli.8 dist_man_MANS = lldpctl.8 install-exec-local: lldpcli cd $(DESTDIR)$(sbindir) && rm -f lldpctl cd $(DESTDIR)$(sbindir) && $(LN_S) lldpcli lldpctl uninstall-local: cd $(DESTDIR)$(sbindir) && rm -f lldpctl lldpcli_SOURCES = client.h lldpcli.c display.c \ conf.c conf-med.c conf-inv.c conf-dot3.c conf-power.c \ conf-lldp.c conf-system.c \ commands.c show.c \ misc.c tokenizer.c \ utf8.c \ writer.h text_writer.c kv_writer.c json_writer.c lldpcli_LDADD = \ $(top_builddir)/src/libcommon-daemon-client.la \ $(top_builddir)/src/lib/liblldpctl.la \ @READLINE_LIBS@ lldpcli_CFLAGS = $(AM_CFLAGS) lldpcli_LDFLAGS = $(AM_LDFLAGS) $(LLDP_BIN_LDFLAGS) if USE_XML lldpcli_SOURCES += xml_writer.c lldpcli_CFLAGS += @libxml2_CFLAGS@ lldpcli_LDADD += @libxml2_LIBS@ endif # Completions bashcompletiondir = $(datadir)/bash-completion/completions dist_bashcompletion_DATA = completion/lldpcli zshcompletiondir = $(datadir)/zsh/site-functions dist_zshcompletion_DATA = completion/_lldpcli # Default configuration lldpdconfdir = $(sysconfdir)/lldpd.d dist_lldpdconf_DATA = README.conf TEMPLATES = lldpcli.8 EXTRA_DIST = lldpcli.8.in CLEANFILES = $(TEMPLATES) lldpcli.8: lldpcli.8.in include $(top_srcdir)/edit.am lldpd-1.0.18/src/client/utf8.c0000644000076400001440000000626314532716672015261 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* Copyright (c) 2011 Joseph A. Adams (joeyadams3.14159@gmail.com) Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "writer.h" /* * Validate a single UTF-8 character starting at @s. * The string must be null-terminated. * * If it's valid, return its length (1 thru 4). * If it's invalid or clipped, return 0. * * This function implements the syntax given in RFC3629, which is * the same as that given in The Unicode Standard, Version 6.0. * * It has the following properties: * * * All codepoints U+0000..U+10FFFF may be encoded, * except for U+D800..U+DFFF, which are reserved * for UTF-16 surrogate pair encoding. * * UTF-8 byte sequences longer than 4 bytes are not permitted, * as they exceed the range of Unicode. * * The sixty-six Unicode "non-characters" are permitted * (namely, U+FDD0..U+FDEF, U+xxFFFE, and U+xxFFFF). */ size_t utf8_validate_cz(const char *s) { unsigned char c = *s++; if (c <= 0x7F) { /* 00..7F */ return 1; } else if (c <= 0xC1) { /* 80..C1 */ /* Disallow overlong 2-byte sequence. */ return 0; } else if (c <= 0xDF) { /* C2..DF */ /* Make sure subsequent byte is in the range 0x80..0xBF. */ if (((unsigned char)*s++ & 0xC0) != 0x80) return 0; return 2; } else if (c <= 0xEF) { /* E0..EF */ /* Disallow overlong 3-byte sequence. */ if (c == 0xE0 && (unsigned char)*s < 0xA0) return 0; /* Disallow U+D800..U+DFFF. */ if (c == 0xED && (unsigned char)*s > 0x9F) return 0; /* Make sure subsequent bytes are in the range 0x80..0xBF. */ if (((unsigned char)*s++ & 0xC0) != 0x80) return 0; if (((unsigned char)*s++ & 0xC0) != 0x80) return 0; return 3; } else if (c <= 0xF4) { /* F0..F4 */ /* Disallow overlong 4-byte sequence. */ if (c == 0xF0 && (unsigned char)*s < 0x90) return 0; /* Disallow codepoints beyond U+10FFFF. */ if (c == 0xF4 && (unsigned char)*s > 0x8F) return 0; /* Make sure subsequent bytes are in the range 0x80..0xBF. */ if (((unsigned char)*s++ & 0xC0) != 0x80) return 0; if (((unsigned char)*s++ & 0xC0) != 0x80) return 0; if (((unsigned char)*s++ & 0xC0) != 0x80) return 0; return 4; } else { /* F5..FF */ return 0; } } lldpd-1.0.18/src/client/conf-lldp.c0000644000076400001440000005716514532716672016260 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include "client.h" #include "../log.h" static int cmd_txdelay(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { const char *interval; char interval_ms[8]; /* less than 2.5 hours */ lldpctl_key_t key; int arglen; log_debug("lldpctl", "set transmit delay"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } interval = cmdenv_get(env, "tx-interval"); key = lldpctl_k_config_tx_interval; /* interval is either for seconds or ms for milliseconds */ if (interval) { arglen = strlen(interval); /* room for "ms" in interval, room for interval in interval_ms */ if (arglen >= 2 && arglen - 2 < sizeof(interval_ms) && strcmp("ms", interval + arglen - 2) == 0) { /* remove "ms" suffix */ memcpy(interval_ms, interval, arglen - 2); interval_ms[arglen - 2] = '\0'; /* substitute key and value */ key = lldpctl_k_config_tx_interval_ms; interval = interval_ms; } } if (lldpctl_atom_set_str(config, key, interval) == NULL) { log_warnx("lldpctl", "unable to set transmit delay. %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "transmit delay set to new value"); lldpctl_atom_dec_ref(config); return 1; } static int cmd_txhold(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "set transmit hold"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } if (lldpctl_atom_set_str(config, lldpctl_k_config_tx_hold, cmdenv_get(env, "tx-hold")) == NULL) { log_warnx("lldpctl", "unable to set transmit hold. %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "transmit hold set to new value %s", cmdenv_get(env, "tx-hold")); lldpctl_atom_dec_ref(config); return 1; } static int cmd_status(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { lldpctl_atom_t *port; const char *name; const char *status = cmdenv_get(env, "status"); log_debug("lldpctl", "lldp administrative port status set to '%s'", status); if (!status || !strlen(status)) { log_warnx("lldpctl", "no status specified"); return 0; } while ((port = cmd_iterate_on_ports(conn, env, &name))) { if (lldpctl_atom_set_str(port, lldpctl_k_port_status, status) == NULL) { log_warnx("lldpctl", "unable to set LLDP status for %s." " %s", name, lldpctl_last_strerror(conn)); } } return 1; } static int cmd_agent_type(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { const char *str = arg; int value = -1; log_debug("lldpctl", "set agent type to '%s'", str); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } for (lldpctl_map_t *b_map = lldpctl_key_get_map(lldpctl_k_config_lldp_agent_type); b_map->string; b_map++) { if (!strcmp(b_map->string, str)) { value = b_map->value; break; } } if (value == -1) { log_warnx("lldpctl", "invalid value"); lldpctl_atom_dec_ref(config); return 0; } if (lldpctl_atom_set_int(config, lldpctl_k_config_lldp_agent_type, value) == NULL) { log_warnx("lldpctl", "unable to set LLDP agent type." " %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "agent type set to new value : %s", str); lldpctl_atom_dec_ref(config); return 1; } static int cmd_portid_type_local(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { lldpctl_atom_t *port; const char *name; const char *id = cmdenv_get(env, "port-id"); const char *descr = cmdenv_get(env, "port-descr"); log_debug("lldpctl", "lldp PortID TLV Subtype Local port-id '%s' port-descr '%s'", id, descr); if (!id || !strlen(id)) { log_warnx("lldpctl", "no id specified"); return 0; } while ((port = cmd_iterate_on_ports(conn, env, &name))) { if (lldpctl_atom_set_str(port, lldpctl_k_port_id, id) == NULL) { log_warnx("lldpctl", "unable to set LLDP PortID for %s." " %s", name, lldpctl_last_strerror(conn)); } if (descr && lldpctl_atom_set_str(port, lldpctl_k_port_descr, descr) == NULL) { log_warnx("lldpctl", "unable to set LLDP Port Description for %s." " %s", name, lldpctl_last_strerror(conn)); } } return 1; } static int cmd_port_descr(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { lldpctl_atom_t *port; const char *name; const char *descr = cmdenv_get(env, "port-descr"); log_debug("lldpctl", "lldp port-descr '%s'", descr); while ((port = cmd_iterate_on_ports(conn, env, &name))) { if (descr && lldpctl_atom_set_str(port, lldpctl_k_port_descr, descr) == NULL) { log_warnx("lldpctl", "unable to set LLDP Port Description for %s." " %s", name, lldpctl_last_strerror(conn)); } } return 1; } static int cmd_portid_type(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { const char *value_str = 0; int value = -1; log_debug("lldpctl", "lldp PortID TLV Subtype"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } value_str = arg; for (lldpctl_map_t *b_map = lldpctl_key_get_map(lldpctl_k_config_lldp_portid_type); b_map->string; b_map++) { if (!strcmp(b_map->string, value_str)) { value = b_map->value; break; } } if (value == -1) { log_warnx("lldpctl", "invalid value"); lldpctl_atom_dec_ref(config); return 0; } if (lldpctl_atom_set_int(config, lldpctl_k_config_lldp_portid_type, value) == NULL) { log_warnx("lldpctl", "unable to set LLDP PortID type." " %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "LLDP PortID TLV type set to new value : %s", value_str); lldpctl_atom_dec_ref(config); return 1; } static int cmd_chassis_cap_advertise(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "lldp capabilities-advertisements %s", arg ? "enable" : "disable"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } if (lldpctl_atom_set_int(config, lldpctl_k_config_chassis_cap_advertise, arg ? 1 : 0) == NULL) { log_warnx("lldpctl", "unable to %s chassis capabilities advertisement: %s", arg ? "enable" : "disable", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "chassis capabilities advertisement %s", arg ? "enabled" : "disabled"); lldpctl_atom_dec_ref(config); return 1; } /* FIXME: see about compressing this with other functions */ static int cmd_chassis_mgmt_advertise(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "lldp management-addresses-advertisements %s", arg ? "enable" : "disable"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } if (lldpctl_atom_set_int(config, lldpctl_k_config_chassis_mgmt_advertise, arg ? 1 : 0) == NULL) { log_warnx("lldpctl", "unable to %s management addresses advertisement: %s", arg ? "enable" : "disable", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "management addresses advertisement %s", arg ? "enabled" : "disabled"); lldpctl_atom_dec_ref(config); return 1; } static int cmd_vlan_tx(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { lldpctl_atom_t *port; const char *name; const char *vlan_id = cmdenv_get(env, "vlan-tx-id"); const char *vlan_prio = cmdenv_get(env, "vlan-tx-prio"); const char *vlan_dei = cmdenv_get(env, "vlan-tx-dei"); /* Default values are used to disable VLAN */ int vlan_id_int = -1; int vlan_prio_int = -1; int vlan_dei_int = -1; int vlan_tag = -1; if (!arg) log_debug("lldpctl", "lldp disable VLAN tagging of transmitted LLDP frames"); else log_debug("lldpctl", "lldp enable VLAN tagging of transmitted LLDP frames with VLAN ID: '%s', Priority: '%s', DEI: '%s'", vlan_id, vlan_prio, vlan_dei); if (arg) { if (!vlan_id || !strlen(vlan_id)) { log_warnx("lldpctl", "no VLAN id for TX specified"); return 0; } else { const char *errstr; vlan_id_int = strtonum(vlan_id, 0, 4094, &errstr); if (errstr != NULL) { log_warnx("lldpctl", "invalid VLAN ID for TX `%s': %s", vlan_id, errstr); return 0; } } if (!vlan_prio || !strlen(vlan_prio)) { log_warnx("lldpctl", "no VLAN priority for TX specified, using default (0)"); /* Use default priority */ vlan_prio_int = 0; } else { const char *errstr; vlan_prio_int = strtonum(vlan_prio, 0, 7, &errstr); if (errstr != NULL) { log_warnx("lldpctl", "invalid VLAN piority `%s': %s", vlan_prio, errstr); return 0; } } if (!vlan_dei || !strlen(vlan_dei)) { log_warnx("lldpctl", "no VLAN Drop eligible indicator (DEI) for TX specified, using default (0)"); /* Use default priority */ vlan_dei_int = 0; } else { const char *errstr; vlan_dei_int = strtonum(vlan_dei, 0, 1, &errstr); if (errstr != NULL) { log_warnx("lldpctl", "invalid VLAN Drop eligible indicator (DEI) `%s': %s", vlan_dei, errstr); return 0; } } /* Priority(3bits) | DEI(1bit) | VID(12bits) */ vlan_tag = ((vlan_prio_int & 0x7) << 13) | ((vlan_dei_int & 0x1) << 12) | (vlan_id_int & 0xfff); } while ((port = cmd_iterate_on_ports(conn, env, &name))) { if (lldpctl_atom_set_int(port, lldpctl_k_port_vlan_tx, vlan_tag) == NULL) { log_warnx("lldpctl", "unable to set VLAN TX config on %s." " %s", name, lldpctl_last_strerror(conn)); } } return 1; } #ifdef ENABLE_CUSTOM static int cmd_custom_tlv_set(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { lldpctl_atom_t *port; const char *s; const char *name; uint8_t oui[LLDP_TLV_ORG_OUI_LEN]; uint8_t oui_info[LLDP_TLV_ORG_OUI_INFO_MAXLEN]; int oui_info_len = 0; uint16_t subtype = 0; const char *op = "add"; if (!arg || !strcmp(arg, "remove")) op = "remove"; log_debug("lldpctl", "lldp custom-tlv(s) %s", op); if (!arg) goto set; s = cmdenv_get(env, "oui"); if (!s || (sscanf(s, "%02hhx,%02hhx,%02hhx", &oui[0], &oui[1], &oui[2]) != 3 && sscanf(s, "%02hhX,%02hhX,%02hhX", &oui[0], &oui[1], &oui[2]) != 3)) { log_warnx("lldpctl", "invalid OUI value '%s'", s); return 0; } s = cmdenv_get(env, "subtype"); if (!s) { log_warnx("lldpctl", "no subtype specified"); return 0; } else { const char *errstr; subtype = strtonum(s, 0, 255, &errstr); if (errstr != NULL) { log_warnx("lldpctl", "invalid subtype value `%s': %s", s, errstr); return 0; } } s = cmdenv_get(env, "oui-info"); /* This info is optional */ if (s) { const char delim[] = ","; char *s_copy = strdup(s); char *token = strtok(s_copy, delim); while (token != NULL) { if (sscanf(token, "%02hhx", &oui_info[oui_info_len]) == 1 || sscanf(token, "%02hhX", &oui_info[oui_info_len]) == 1) oui_info_len++; if (oui_info_len >= sizeof(oui_info)) break; token = strtok(NULL, delim); } free(s_copy); } s = cmdenv_get(env, "replace"); /* This info is optional */ if (s) op = "replace"; set: while ((port = cmd_iterate_on_ports(conn, env, &name))) { lldpctl_atom_t *custom_tlvs; if (!arg) { lldpctl_atom_set(port, lldpctl_k_custom_tlvs_clear, NULL); } else if (!(custom_tlvs = lldpctl_atom_get(port, lldpctl_k_custom_tlvs))) { log_warnx("lldpctl", "unable to get custom TLVs for port %s", name); } else { lldpctl_atom_t *tlv = lldpctl_atom_create(custom_tlvs); if (!tlv) { log_warnx("lldpctl", "unable to create new custom TLV for port %s", name); } else { /* Configure custom TLV */ lldpctl_atom_set_buffer(tlv, lldpctl_k_custom_tlv_oui, oui, sizeof(oui)); lldpctl_atom_set_int(tlv, lldpctl_k_custom_tlv_oui_subtype, subtype); lldpctl_atom_set_buffer(tlv, lldpctl_k_custom_tlv_oui_info_string, oui_info, oui_info_len); lldpctl_atom_set_str(tlv, lldpctl_k_custom_tlv_op, op); /* Assign it to port */ lldpctl_atom_set(port, lldpctl_k_custom_tlv, tlv); lldpctl_atom_dec_ref(tlv); } lldpctl_atom_dec_ref(custom_tlvs); } } return 1; } static int cmd_check_no_add_env(struct cmd_env *env, const void *arg) { const char *what = arg; if (cmdenv_get(env, "add")) return 0; if (cmdenv_get(env, what)) return 0; return 1; } static int cmd_check_no_replace_env(struct cmd_env *env, const void *arg) { const char *what = arg; if (cmdenv_get(env, "replace")) return 0; if (cmdenv_get(env, what)) return 0; return 1; } static void register_commands_configure_lldp_custom_tlvs(struct cmd_node *configure_lldp, struct cmd_node *unconfigure_lldp) { struct cmd_node *configure_custom_tlvs; struct cmd_node *unconfigure_custom_tlvs; struct cmd_node *configure_custom_tlvs_basic; struct cmd_node *unconfigure_custom_tlvs_basic; configure_custom_tlvs = commands_new(configure_lldp, "custom-tlv", "Add custom TLV(s) to be broadcast on ports", NULL, NULL, NULL); unconfigure_custom_tlvs = commands_new(unconfigure_lldp, "custom-tlv", "Remove ALL custom TLV(s)", NULL, NULL, NULL); commands_new(unconfigure_custom_tlvs, NEWLINE, "Remove ALL custom TLV", NULL, cmd_custom_tlv_set, NULL); commands_new(configure_custom_tlvs, "add", "Add custom TLV", cmd_check_no_replace_env, cmd_store_env_and_pop, "add"); commands_new(configure_custom_tlvs, "replace", "Replace custom TLV", cmd_check_no_add_env, cmd_store_env_and_pop, "replace"); /* Basic form: 'configure lldp custom-tlv oui 11,22,33 subtype 44' */ configure_custom_tlvs_basic = commands_new( commands_new(commands_new(commands_new(configure_custom_tlvs, "oui", "Organizationally Unique Identifier", NULL, NULL, NULL), NULL, "Organizationally Unique Identifier", NULL, cmd_store_env_value, "oui"), "subtype", "Organizationally Defined Subtype", NULL, NULL, NULL), NULL, "Organizationally Defined Subtype", NULL, cmd_store_env_value, "subtype"); commands_new(configure_custom_tlvs_basic, NEWLINE, "Add custom TLV(s) to be broadcast on ports", NULL, cmd_custom_tlv_set, "enable"); /* Basic form: 'unconfigure lldp custom-tlv oui 11,22,33 subtype 44' */ unconfigure_custom_tlvs_basic = commands_new( commands_new(commands_new(commands_new(unconfigure_custom_tlvs, "oui", "Organizationally Unique Identifier", NULL, NULL, NULL), NULL, "Organizationally Unique Identifier", NULL, cmd_store_env_value, "oui"), "subtype", "Organizationally Defined Subtype", NULL, NULL, NULL), NULL, "Organizationally Defined Subtype", NULL, cmd_store_env_value, "subtype"); commands_new(unconfigure_custom_tlvs_basic, NEWLINE, "Remove specific custom TLV", NULL, cmd_custom_tlv_set, "remove"); /* Extended form: 'configure custom-tlv lldp oui 11,22,33 subtype 44 oui-info * 55,66,77,...' */ commands_new(commands_new(commands_new(configure_custom_tlvs_basic, "oui-info", "Organizationally Unique Identifier", NULL, NULL, NULL), NULL, "OUI Info String", NULL, cmd_store_env_value, "oui-info"), NEWLINE, "Add custom TLV(s) to be broadcast on ports", NULL, cmd_custom_tlv_set, "enable"); } #endif /* ENABLE_CUSTOM */ static int cmd_store_status_env_value(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *value) { return cmd_store_something_env_value("status", env, value); } /** * Register `configure lldp` commands. * * Those are the commands that are related to the LLDP protocol but not * Dot1/Dot3/MED. Commands not related to LLDP should go in system instead. */ void register_commands_configure_lldp(struct cmd_node *configure, struct cmd_node *unconfigure) { struct cmd_node *configure_lldp = commands_new(configure, "lldp", "LLDP configuration", NULL, NULL, NULL); struct cmd_node *unconfigure_lldp = commands_new(unconfigure, "lldp", "LLDP configuration", NULL, NULL, NULL); commands_new( commands_new(commands_new(configure_lldp, "tx-interval", "Set LLDP transmit delay", cmd_check_no_env, NULL, "ports"), NULL, "LLDP transmit in seconds or ms in milliseconds", NULL, cmd_store_env_value, "tx-interval"), NEWLINE, "Set LLDP transmit delay", NULL, cmd_txdelay, NULL); commands_new(commands_new(commands_new(configure_lldp, "tx-hold", "Set LLDP transmit hold", cmd_check_no_env, NULL, "ports"), NULL, "LLDP transmit hold in seconds", NULL, cmd_store_env_value, "tx-hold"), NEWLINE, "Set LLDP transmit hold", NULL, cmd_txhold, NULL); struct cmd_node *status = commands_new(configure_lldp, "status", "Set administrative status", NULL, NULL, NULL); for (lldpctl_map_t *status_map = lldpctl_key_get_map(lldpctl_k_port_status); status_map->string; status_map++) { const char *tag = strdup(totag(status_map->string)); SUPPRESS_LEAK(tag); commands_new(commands_new(status, tag, status_map->string, NULL, cmd_store_status_env_value, status_map->string), NEWLINE, "Set port administrative status", NULL, cmd_status, NULL); } /* Configure the various agent type we can configure. */ struct cmd_node *configure_lldp_agent_type = commands_new(configure_lldp, "agent-type", "LLDP agent type", NULL, NULL, NULL); for (lldpctl_map_t *b_map = lldpctl_key_get_map(lldpctl_k_config_lldp_agent_type); b_map->string; b_map++) { const char *tag = strdup(totag(b_map->string)); SUPPRESS_LEAK(tag); commands_new(commands_new(configure_lldp_agent_type, tag, b_map->string, NULL, NULL, NULL), NEWLINE, "Set LLDP agent type", NULL, cmd_agent_type, b_map->string); } /* Now handle the various portid subtypes we can configure. */ struct cmd_node *configure_lldp_portid_type = commands_new(configure_lldp, "portidsubtype", "LLDP PortID TLV Subtype", NULL, NULL, NULL); for (lldpctl_map_t *b_map = lldpctl_key_get_map(lldpctl_k_config_lldp_portid_type); b_map->string; b_map++) { if (!strcmp(b_map->string, "ifname")) { commands_new(commands_new(configure_lldp_portid_type, b_map->string, "Interface Name", cmd_check_no_env, NULL, "ports"), NEWLINE, NULL, NULL, cmd_portid_type, b_map->string); } else if (!strcmp(b_map->string, "local")) { struct cmd_node *port_id = commands_new(commands_new(configure_lldp_portid_type, b_map->string, "Local", NULL, NULL, NULL), NULL, "Port ID", NULL, cmd_store_env_value, "port-id"); commands_new(port_id, NEWLINE, "Set local port ID", NULL, cmd_portid_type_local, b_map->string); commands_new(commands_new(commands_new(port_id, "description", "Also set port description", NULL, NULL, NULL), NULL, "Port description", NULL, cmd_store_env_value, "port-descr"), NEWLINE, "Set local port ID and description", NULL, cmd_portid_type_local, NULL); } else if (!strcmp(b_map->string, "macaddress")) { commands_new(commands_new(configure_lldp_portid_type, b_map->string, "MAC Address", cmd_check_no_env, NULL, "ports"), NEWLINE, NULL, NULL, cmd_portid_type, b_map->string); } } commands_new(commands_new(commands_new(configure_lldp, "portdescription", "Port Description", NULL, NULL, NULL), NULL, "Port description", NULL, cmd_store_env_value, "port-descr"), NEWLINE, "Set port description", NULL, cmd_port_descr, NULL); commands_new(commands_new(configure_lldp, "capabilities-advertisements", "Enable chassis capabilities advertisement", cmd_check_no_env, NULL, "ports"), NEWLINE, "Enable chassis capabilities advertisement", NULL, cmd_chassis_cap_advertise, "enable"); commands_new(commands_new(unconfigure_lldp, "capabilities-advertisements", "Don't enable chassis capabilities advertisement", cmd_check_no_env, NULL, "ports"), NEWLINE, "Don't enable chassis capabilities advertisement", NULL, cmd_chassis_cap_advertise, NULL); commands_new(commands_new(configure_lldp, "management-addresses-advertisements", "Enable management addresses advertisement", cmd_check_no_env, NULL, "ports"), NEWLINE, "Enable management addresses advertisement", NULL, cmd_chassis_mgmt_advertise, "enable"); commands_new(commands_new(unconfigure_lldp, "management-addresses-advertisements", "Don't enable management addresses advertisement", cmd_check_no_env, NULL, "ports"), NEWLINE, "Don't enable management addresses advertisement", NULL, cmd_chassis_mgmt_advertise, NULL); struct cmd_node *vlan_tx = commands_new(commands_new(configure_lldp, "vlan-tx", "Send LLDP frames with a VLAN tag", NULL, NULL, NULL), NULL, "VLAN ID (0-4094)", NULL, cmd_store_env_value, "vlan-tx-id"); struct cmd_node *vlan_tx_prio = commands_new(commands_new(vlan_tx, "priority", "Also set a priority in a VLAN tag (default 0)", NULL, NULL, NULL), NULL, "Priority to be included in a VLAN tag (0-7)", NULL, cmd_store_env_value, "vlan-tx-prio"); commands_new(vlan_tx, NEWLINE, "Enable VLAN tagging of transmitted LLDP frames", NULL, cmd_vlan_tx, "enable"); commands_new(vlan_tx_prio, NEWLINE, "Set VLAN ID and priority for transmitted frames", NULL, cmd_vlan_tx, "enable"); commands_new( commands_new( commands_new(vlan_tx_prio, "dei", "Also set a Drop eligible indicator (DEI) in a VLAN tag (default 0)", NULL, NULL, NULL), NULL, "Drop eligible indicator (DEI) in a VLAN tag (0-don't drop; 1-drop)", NULL, cmd_store_env_value, "vlan-tx-dei"), NEWLINE, "Set VLAN ID, priority and DEI for transmitted frames", NULL, cmd_vlan_tx, "enable"); commands_new(commands_new(unconfigure_lldp, "vlan-tx", "Send LLDP frames without VLAN tag", NULL, NULL, NULL), NEWLINE, "Disable VLAN tagging of transmitted LLDP frames", NULL, cmd_vlan_tx, NULL); #ifdef ENABLE_CUSTOM register_commands_configure_lldp_custom_tlvs(configure_lldp, unconfigure_lldp); #endif } lldpd-1.0.18/src/client/README.conf0000644000076400001440000000052614111362571016013 0ustar00bernatusers# You can put lldpd configuration snippets into this directory. # Upon start, lldpd will read each files in this directory and execute content # as if they were passed as arguments to lldpcli # # Files should be suffixed by .conf and have content like: # configure system description 'my little server' # # See lldpcli(8) for more details. lldpd-1.0.18/src/client/show.c0000644000076400001440000002436114532716672015352 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "client.h" #include #include /** * Show neighbors. * * The environment will contain the following keys: * - C{ports} list of ports we want to restrict showing. * - C{hidden} if we should show hidden ports. * - C{summary} if we want to show only a summary * - C{detailed} for a detailed overview */ static int cmd_show_neighbors(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "show neighbors data (%s) %s hidden neighbors", cmdenv_get(env, "summary") ? "summary" : cmdenv_get(env, "detailed") ? "detailed" : "normal", cmdenv_get(env, "hidden") ? "with" : "without"); if (cmdenv_get(env, "ports")) log_debug("lldpctl", "restrict to the following ports: %s", cmdenv_get(env, "ports")); display_interfaces(conn, w, env, !!cmdenv_get(env, "hidden"), cmdenv_get(env, "summary") ? DISPLAY_BRIEF : cmdenv_get(env, "detailed") ? DISPLAY_DETAILS : DISPLAY_NORMAL); return 1; } /** * Show interfaces. * * The environment will contain the following keys: * - C{ports} list of ports we want to restrict showing. * - C{hidden} if we should show hidden ports. * - C{summary} if we want to show only a summary * - C{detailed} for a detailed overview */ static int cmd_show_interfaces(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "show interfaces data (%s) %s hidden interfaces", cmdenv_get(env, "summary") ? "summary" : cmdenv_get(env, "detailed") ? "detailed" : "normal", cmdenv_get(env, "hidden") ? "with" : "without"); if (cmdenv_get(env, "ports")) log_debug("lldpctl", "restrict to the following ports: %s", cmdenv_get(env, "ports")); display_local_interfaces(conn, w, env, !!cmdenv_get(env, "hidden"), cmdenv_get(env, "summary") ? DISPLAY_BRIEF : cmdenv_get(env, "detailed") ? DISPLAY_DETAILS : DISPLAY_NORMAL); return 1; } /** * Show chassis. * * The environment will contain the following keys: * - C{summary} if we want to show only a summary * - C{detailed} for a detailed overview */ static int cmd_show_chassis(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "show chassis data (%s)", cmdenv_get(env, "summary") ? "summary" : cmdenv_get(env, "detailed") ? "detailed" : "normal"); display_local_chassis(conn, w, env, cmdenv_get(env, "summary") ? DISPLAY_BRIEF : cmdenv_get(env, "detailed") ? DISPLAY_DETAILS : DISPLAY_NORMAL); return 1; } /** * Show stats. * * The environment will contain the following keys: * - C{ports} list of ports we want to restrict showing. * - C{summary} summary of stats */ static int cmd_show_interface_stats(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "show stats data"); if (cmdenv_get(env, "ports")) log_debug("lldpctl", "restrict to the following ports: %s", cmdenv_get(env, "ports")); if (cmdenv_get(env, "summary")) log_debug("lldpctl", "show summary of stats across ports"); display_interfaces_stats(conn, w, env); return 1; } static int cmd_check_no_detailed_nor_summary(struct cmd_env *env, const void *arg) { if (cmdenv_get(env, "detailed")) return 0; if (cmdenv_get(env, "summary")) return 0; return 1; } /** * Show running configuration. */ static int cmd_show_configuration(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "show running configuration"); display_configuration(conn, w); return 1; } struct watcharg { struct cmd_env *env; struct writer *w; size_t nb; }; /** * Callback for the next function to display a new neighbor. */ static void watchcb(lldpctl_change_t type, lldpctl_atom_t *interface, lldpctl_atom_t *neighbor, void *data) { struct watcharg *wa = data; struct cmd_env *env = wa->env; struct writer *w = wa->w; const char *interfaces = cmdenv_get(env, "ports"); const char *proto_str; int protocol = LLDPD_MODE_MAX; if (interfaces && !contains(interfaces, lldpctl_atom_get_str(interface, lldpctl_k_interface_name))) return; /* user might have specified protocol to filter display results */ proto_str = cmdenv_get(env, "protocol"); if (proto_str) { log_debug("display", "filter protocol: %s ", proto_str); protocol = 0; /* unsupported */ for (lldpctl_map_t *protocol_map = lldpctl_key_get_map(lldpctl_k_port_protocol); protocol_map->string; protocol_map++) { if (!strcasecmp(proto_str, protocol_map->string)) { protocol = protocol_map->value; break; } } } switch (type) { case lldpctl_c_deleted: tag_start(w, "lldp-deleted", "LLDP neighbor deleted"); break; case lldpctl_c_updated: tag_start(w, "lldp-updated", "LLDP neighbor updated"); break; case lldpctl_c_added: tag_start(w, "lldp-added", "LLDP neighbor added"); break; default: return; } display_interface(NULL, w, 1, interface, neighbor, cmdenv_get(env, "summary") ? DISPLAY_BRIEF : cmdenv_get(env, "detailed") ? DISPLAY_DETAILS : DISPLAY_NORMAL, protocol); tag_end(w); wa->nb++; } /** * Watch for neighbor changes. */ static int cmd_watch_neighbors(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { struct watcharg wa = { .env = env, .w = w, .nb = 0 }; const char *limit_str = cmdenv_get(env, "limit"); size_t limit = 0; if (limit_str) { const char *errstr; limit = strtonum(limit_str, 1, LLONG_MAX, &errstr); if (errstr != NULL) { log_warnx("lldpctl", "specified limit (%s) is %s and ignored", limit_str, errstr); } } log_debug("lldpctl", "watch for neighbor changes"); if (lldpctl_watch_callback2(conn, watchcb, &wa) < 0) { log_warnx("lldpctl", "unable to watch for neighbors. %s", lldpctl_last_strerror(conn)); return 0; } while (1) { if (lldpctl_watch(conn) < 0) { log_warnx("lldpctl", "unable to watch for neighbors. %s", lldpctl_last_strerror(conn)); return 0; } if (limit > 0 && wa.nb >= limit) return 1; } return 0; } /** * Register common subcommands for `watch` and `show neighbors` and `show chassis' */ static void register_common_commands(struct cmd_node *root, int neighbor) { /* With more details */ commands_new(root, "details", "With more details", cmd_check_no_detailed_nor_summary, cmd_store_env_and_pop, "detailed"); /* With less details */ commands_new(root, "summary", "With less details", cmd_check_no_detailed_nor_summary, cmd_store_env_and_pop, "summary"); if (!neighbor) return; /* With hidden neighbors */ commands_new(root, "hidden", "Include hidden neighbors", cmd_check_no_env, cmd_store_env_and_pop, "hidden"); /* Some specific port */ cmd_restrict_ports(root); /* Specific protocol */ cmd_restrict_protocol(root); } /** * Register sub command summary */ static void register_summary_command(struct cmd_node *root) { commands_new(root, "summary", "With less details", cmd_check_no_detailed_nor_summary, cmd_store_env_and_pop, "summary"); } /** * Register subcommands to `show` * * @param root Root node */ void register_commands_show(struct cmd_node *root) { struct cmd_node *show = commands_new(root, "show", "Show running system information", NULL, NULL, NULL); struct cmd_node *neighbors = commands_new(show, "neighbors", "Show neighbors data", NULL, NULL, NULL); struct cmd_node *interfaces = commands_new(show, "interfaces", "Show interfaces data", NULL, NULL, NULL); struct cmd_node *chassis = commands_new(show, "chassis", "Show local chassis data", NULL, NULL, NULL); struct cmd_node *stats = commands_new(show, "statistics", "Show statistics", NULL, NULL, NULL); /* Neighbors data */ commands_new(neighbors, NEWLINE, "Show neighbors data", NULL, cmd_show_neighbors, NULL); register_common_commands(neighbors, 1); /* Interfaces data */ commands_new(interfaces, NEWLINE, "Show interfaces data", NULL, cmd_show_interfaces, NULL); cmd_restrict_ports(interfaces); register_common_commands(interfaces, 0); /* Chassis data */ commands_new(chassis, NEWLINE, "Show local chassis data", NULL, cmd_show_chassis, NULL); register_common_commands(chassis, 0); /* Stats data */ commands_new(stats, NEWLINE, "Show stats data", NULL, cmd_show_interface_stats, NULL); cmd_restrict_ports(stats); register_summary_command(stats); /* Register "show configuration" and "show running-configuration" */ commands_new(commands_new(show, "configuration", "Show running configuration", NULL, NULL, NULL), NEWLINE, "Show running configuration", NULL, cmd_show_configuration, NULL); commands_new(commands_new(show, "running-configuration", "Show running configuration", NULL, NULL, NULL), NEWLINE, "Show running configuration", NULL, cmd_show_configuration, NULL); } /** * Register subcommands to `watch` * * @param root Root node */ void register_commands_watch(struct cmd_node *root) { struct cmd_node *watch = commands_new(root, "watch", "Monitor neighbor changes", NULL, NULL, NULL); commands_new(watch, NEWLINE, "Monitor neighbors change", NULL, cmd_watch_neighbors, NULL); commands_new(commands_new(watch, "limit", "Don't show more than X events", cmd_check_no_env, NULL, "limit"), NULL, "Stop after getting X events", NULL, cmd_store_env_value_and_pop2, "limit"); register_common_commands(watch, 1); } lldpd-1.0.18/src/client/conf-med.c0000644000076400001440000004231714532716672016063 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include "client.h" #include "../log.h" static int _cmd_medlocation(struct lldpctl_conn_t *conn, struct cmd_env *env, int format) { lldpctl_atom_t *port; const char *name; while ((port = cmd_iterate_on_ports(conn, env, &name))) { lldpctl_atom_t *med_location = NULL, *med_locations = NULL; const char *what = NULL; int ok = 0; med_locations = lldpctl_atom_get(port, lldpctl_k_port_med_locations); if (med_locations == NULL) { log_warnx("lldpctl", "unable to set LLDP-MED location: support seems unavailable"); continue; /* Iterator needs to be run until end */ } med_location = lldpctl_atom_iter_value(med_locations, lldpctl_atom_iter_next(med_locations, lldpctl_atom_iter(med_locations))); switch (format) { case LLDP_MED_LOCFORMAT_COORD: if ((what = "format", lldpctl_atom_set_int(med_location, lldpctl_k_med_location_format, format)) == NULL || (what = "latitude", lldpctl_atom_set_str(med_location, lldpctl_k_med_location_latitude, cmdenv_get(env, "latitude"))) == NULL || (what = "longitude", lldpctl_atom_set_str(med_location, lldpctl_k_med_location_longitude, cmdenv_get(env, "longitude"))) == NULL || (what = "altitude", lldpctl_atom_set_str(med_location, lldpctl_k_med_location_altitude, cmdenv_get(env, "altitude"))) == NULL || (what = "altitude unit", lldpctl_atom_set_str(med_location, lldpctl_k_med_location_altitude_unit, cmdenv_get(env, "altitude-unit"))) == NULL || (what = "datum", lldpctl_atom_set_str(med_location, lldpctl_k_med_location_geoid, cmdenv_get(env, "datum"))) == NULL) log_warnx("lldpctl", "unable to set LLDP MED location value for %s on %s. %s.", what, name, lldpctl_last_strerror(conn)); else ok = 1; break; case LLDP_MED_LOCFORMAT_CIVIC: if ((what = "format", lldpctl_atom_set_int(med_location, lldpctl_k_med_location_format, format)) == NULL || (what = "country", lldpctl_atom_set_str(med_location, lldpctl_k_med_location_country, cmdenv_get(env, "country"))) == NULL) { log_warnx("lldpctl", "unable to set LLDP MED location value for %s on %s. %s.", what, name, lldpctl_last_strerror(conn)); break; } ok = 1; for (lldpctl_map_t *addr_map = lldpctl_key_get_map(lldpctl_k_med_civicaddress_type); addr_map->string; addr_map++) { lldpctl_atom_t *cael, *caels; const char *value = cmdenv_get(env, addr_map->string); if (!value) continue; caels = lldpctl_atom_get(med_location, lldpctl_k_med_location_ca_elements); cael = lldpctl_atom_create(caels); if (lldpctl_atom_set_str(cael, lldpctl_k_med_civicaddress_type, addr_map->string) == NULL || lldpctl_atom_set_str(cael, lldpctl_k_med_civicaddress_value, value) == NULL || lldpctl_atom_set(med_location, lldpctl_k_med_location_ca_elements, cael) == NULL) { log_warnx("lldpctl", "unable to add a civic address element `%s`. %s", addr_map->string, lldpctl_last_strerror(conn)); ok = 0; } lldpctl_atom_dec_ref(cael); lldpctl_atom_dec_ref(caels); if (!ok) break; } break; case LLDP_MED_LOCFORMAT_ELIN: if (lldpctl_atom_set_int(med_location, lldpctl_k_med_location_format, format) == NULL || lldpctl_atom_set_str(med_location, lldpctl_k_med_location_elin, cmdenv_get(env, "elin")) == NULL) log_warnx("lldpctl", "unable to set LLDP MED location on %s. %s", name, lldpctl_last_strerror(conn)); else ok = 1; break; } if (ok) { if (lldpctl_atom_set(port, lldpctl_k_port_med_locations, med_location) == NULL) { log_warnx("lldpctl", "unable to set LLDP MED location on %s. %s.", name, lldpctl_last_strerror(conn)); } else log_info("lldpctl", "LLDP-MED location has been set for port %s", name); } lldpctl_atom_dec_ref(med_location); lldpctl_atom_dec_ref(med_locations); } return 1; } static int cmd_medlocation_coordinate(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "set MED location coordinate"); return _cmd_medlocation(conn, env, LLDP_MED_LOCFORMAT_COORD); } static int cmd_medlocation_address(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "set MED location address"); return _cmd_medlocation(conn, env, LLDP_MED_LOCFORMAT_CIVIC); } static int cmd_medlocation_elin(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "set MED location ELIN"); return _cmd_medlocation(conn, env, LLDP_MED_LOCFORMAT_ELIN); } static int cmd_medpolicy(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "set MED policy"); lldpctl_atom_t *iface; while ((iface = cmd_iterate_on_interfaces(conn, env))) { const char *name = lldpctl_atom_get_str(iface, lldpctl_k_interface_name); lldpctl_atom_t *port = lldpctl_get_port(iface); lldpctl_atom_t *med_policy = NULL, *med_policies = NULL; const char *what = NULL; med_policies = lldpctl_atom_get(port, lldpctl_k_port_med_policies); if (med_policies == NULL) { log_warnx("lldpctl", "unable to set LLDP-MED policies: support seems unavailable"); goto end; } med_policy = lldpctl_atom_iter_value(med_policies, lldpctl_atom_iter_next(med_policies, lldpctl_atom_iter(med_policies))); if ((what = "application", lldpctl_atom_set_str(med_policy, lldpctl_k_med_policy_type, cmdenv_get(env, "application"))) == NULL || (what = "unknown flag", lldpctl_atom_set_int(med_policy, lldpctl_k_med_policy_unknown, cmdenv_get(env, "unknown") ? 1 : 0)) == NULL || (what = "tagged flag", lldpctl_atom_set_int(med_policy, lldpctl_k_med_policy_tagged, cmdenv_get(env, "tagged") ? 1 : 0)) == NULL || (what = "vlan", cmdenv_get(env, "vlan") ? lldpctl_atom_set_str(med_policy, lldpctl_k_med_policy_vid, cmdenv_get(env, "vlan")) : lldpctl_atom_set_int(med_policy, lldpctl_k_med_policy_vid, 0)) == NULL || (what = "priority", cmdenv_get(env, "priority") ? lldpctl_atom_set_str(med_policy, lldpctl_k_med_policy_priority, cmdenv_get(env, "priority")) : lldpctl_atom_set_int(med_policy, lldpctl_k_med_policy_priority, 0)) == NULL || (what = "dscp", cmdenv_get(env, "dscp") ? lldpctl_atom_set_str(med_policy, lldpctl_k_med_policy_dscp, cmdenv_get(env, "dscp")) : lldpctl_atom_set_int(med_policy, lldpctl_k_med_policy_dscp, 0)) == NULL) log_warnx("lldpctl", "unable to set LLDP MED policy value for %s on %s. %s.", what, name, lldpctl_last_strerror(conn)); else { if (lldpctl_atom_set(port, lldpctl_k_port_med_policies, med_policy) == NULL) { log_warnx("lldpctl", "unable to set LLDP MED policy on %s. %s.", name, lldpctl_last_strerror(conn)); } else log_info("lldpctl", "LLDP-MED policy has been set for port %s", name); } end: lldpctl_atom_dec_ref(med_policy); lldpctl_atom_dec_ref(med_policies); lldpctl_atom_dec_ref(port); } return 1; } /** * Register `configure med location coordinate` commands. */ static void register_commands_medloc_coord(struct cmd_node *configure_medlocation) { /* MED location coordinate (set) */ struct cmd_node *configure_medloc_coord = commands_new(configure_medlocation, "coordinate", "MED location coordinate configuration", NULL, NULL, NULL); commands_new(configure_medloc_coord, NEWLINE, "Configure MED location coordinates", cmd_check_env, cmd_medlocation_coordinate, "latitude,longitude,altitude,altitude-unit,datum"); commands_new(commands_new(configure_medloc_coord, "latitude", "Specify latitude", cmd_check_no_env, NULL, "latitude"), NULL, "Latitude as xx.yyyyN or xx.yyyyS", NULL, cmd_store_env_value_and_pop2, "latitude"); commands_new(commands_new(configure_medloc_coord, "longitude", "Specify longitude", cmd_check_no_env, NULL, "longitude"), NULL, "Longitude as xx.yyyyE or xx.yyyyW", NULL, cmd_store_env_value_and_pop2, "longitude"); struct cmd_node *altitude = commands_new(commands_new(configure_medloc_coord, "altitude", "Specify altitude", cmd_check_no_env, NULL, "altitude"), NULL, "Altitude", NULL, cmd_store_env_value, "altitude"); commands_new(altitude, "m", "meters", NULL, cmd_store_env_value_and_pop3, "altitude-unit"); commands_new(altitude, "f", "floors", NULL, cmd_store_env_value_and_pop3, "altitude-unit"); struct cmd_node *datum = commands_new(configure_medloc_coord, "datum", "Specify datum", cmd_check_no_env, NULL, "datum"); for (lldpctl_map_t *datum_map = lldpctl_key_get_map(lldpctl_k_med_location_geoid); datum_map->string; datum_map++) commands_new(datum, datum_map->string, NULL, NULL, cmd_store_env_value_and_pop2, "datum"); } /** * Register `configure med location address` commands. */ static void register_commands_medloc_addr(struct cmd_node *configure_medlocation) { /* MED location address (set) */ struct cmd_node *configure_medloc_addr = commands_new(configure_medlocation, "address", "MED location address configuration", NULL, NULL, NULL); commands_new(configure_medloc_addr, NEWLINE, "Configure MED location address", cmd_check_env, cmd_medlocation_address, "country"); /* Country */ commands_new(commands_new(configure_medloc_addr, "country", "Specify country (mandatory)", cmd_check_no_env, NULL, "country"), NULL, "Country as a two-letter code", NULL, cmd_store_env_value_and_pop2, "country"); /* Other fields */ for (lldpctl_map_t *addr_map = lldpctl_key_get_map(lldpctl_k_med_civicaddress_type); addr_map->string; addr_map++) { const char *tag = strdup(totag(addr_map->string)); SUPPRESS_LEAK(tag); commands_new(commands_new(configure_medloc_addr, tag, addr_map->string, cmd_check_no_env, NULL, addr_map->string), NULL, addr_map->string, NULL, cmd_store_env_value_and_pop2, addr_map->string); } } /** * Register `configure med location elin` commands. */ static void register_commands_medloc_elin(struct cmd_node *configure_medlocation) { /* MED location elin (set) */ commands_new(commands_new(commands_new(configure_medlocation, "elin", "MED location ELIN configuration", NULL, NULL, NULL), NULL, "ELIN number", NULL, cmd_store_env_value, "elin"), NEWLINE, "Set MED location ELIN number", NULL, cmd_medlocation_elin, NULL); } /** * Register `configure med location` commands. */ static void register_commands_medloc(struct cmd_node *configure_med) { struct cmd_node *configure_medlocation = commands_new(configure_med, "location", "MED location configuration", NULL, NULL, NULL); register_commands_medloc_coord(configure_medlocation); register_commands_medloc_addr(configure_medlocation); register_commands_medloc_elin(configure_medlocation); } static int cmd_check_application_but_no(struct cmd_env *env, const void *arg) { const char *what = arg; if (!cmdenv_get(env, "application")) return 0; if (cmdenv_get(env, what)) return 0; return 1; } static int cmd_store_app_env_value_and_pop2(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *value) { return cmd_store_something_env_value_and_pop2("application", env, value); } static int cmd_store_prio_env_value_and_pop2(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *value) { return cmd_store_something_env_value_and_pop2("priority", env, value); } /** * Register `configure med policy` commands. */ static void register_commands_medpol(struct cmd_node *configure_med) { struct cmd_node *configure_medpolicy = commands_new(configure_med, "policy", "MED policy configuration", NULL, NULL, NULL); commands_new(configure_medpolicy, NEWLINE, "Apply new MED policy", cmd_check_env, cmd_medpolicy, "application"); /* Application */ struct cmd_node *configure_application = commands_new(configure_medpolicy, "application", "MED policy application", cmd_check_no_env, NULL, "application"); for (lldpctl_map_t *pol_map = lldpctl_key_get_map(lldpctl_k_med_policy_type); pol_map->string; pol_map++) { char *tag = strdup(totag(pol_map->string)); SUPPRESS_LEAK(tag); commands_new(configure_application, tag, pol_map->string, NULL, cmd_store_app_env_value_and_pop2, pol_map->string); } /* Remaining keywords */ commands_new(configure_medpolicy, "unknown", "Set unknown flag", cmd_check_application_but_no, cmd_store_env_and_pop, "unknown"); commands_new(configure_medpolicy, "tagged", "Set tagged flag", cmd_check_application_but_no, cmd_store_env_and_pop, "tagged"); commands_new(commands_new(configure_medpolicy, "vlan", "VLAN advertising", cmd_check_application_but_no, NULL, "vlan"), NULL, "VLAN ID to advertise", NULL, cmd_store_env_value_and_pop2, "vlan"); commands_new(commands_new(configure_medpolicy, "dscp", "DiffServ advertising", cmd_check_application_but_no, NULL, "dscp"), NULL, "DSCP value to advertise (between 0 and 63)", NULL, cmd_store_env_value_and_pop2, "dscp"); struct cmd_node *priority = commands_new(configure_medpolicy, "priority", "MED policy priority", cmd_check_application_but_no, NULL, "priority"); for (lldpctl_map_t *prio_map = lldpctl_key_get_map(lldpctl_k_med_policy_priority); prio_map->string; prio_map++) { char *tag = strdup(totag(prio_map->string)); SUPPRESS_LEAK(tag); commands_new(priority, tag, prio_map->string, NULL, cmd_store_prio_env_value_and_pop2, prio_map->string); } } static int cmd_faststart(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "configure fast interval support"); lldpctl_atom_t *config = lldpctl_get_configuration(conn); if (config == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } const char *action = arg; if ((!strcmp(action, "enable") && (lldpctl_atom_set_int(config, lldpctl_k_config_fast_start_enabled, 1) == NULL)) || (!strcmp(action, "disable") && (lldpctl_atom_set_int(config, lldpctl_k_config_fast_start_enabled, 0) == NULL)) || (!strcmp(action, "delay") && (lldpctl_atom_set_str(config, lldpctl_k_config_fast_start_interval, cmdenv_get(env, "tx-interval")) == NULL))) { log_warnx("lldpctl", "unable to setup fast start. %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(config); return 0; } log_info("lldpctl", "configruation for fast start applied"); lldpctl_atom_dec_ref(config); return 1; } /** * Register "configure med fast-start *" */ static void register_commands_medfast(struct cmd_node *med, struct cmd_node *nomed) { struct cmd_node *configure_fast = commands_new(med, "fast-start", "Fast start configuration", cmd_check_no_env, NULL, "ports"); struct cmd_node *unconfigure_fast = commands_new(nomed, "fast-start", "Fast start configuration", cmd_check_no_env, NULL, "ports"); /* Enable */ commands_new(commands_new(configure_fast, "enable", "Enable fast start", NULL, NULL, NULL), NEWLINE, "Enable fast start", NULL, cmd_faststart, "enable"); /* Set TX delay */ commands_new(commands_new(commands_new(configure_fast, "tx-interval", "Set LLDP fast transmit delay", NULL, NULL, NULL), NULL, "LLDP fast transmit delay in seconds", NULL, cmd_store_env_value, "tx-interval"), NEWLINE, "Set LLDP fast transmit delay", NULL, cmd_faststart, "delay"); /* Disable */ commands_new(commands_new(unconfigure_fast, NEWLINE, "Disable fast start", NULL, cmd_faststart, "disable"), NEWLINE, "Disable fast start", NULL, cmd_faststart, "disable"); } /** * Register "configure med *" */ void register_commands_configure_med(struct cmd_node *configure, struct cmd_node *unconfigure) { if (lldpctl_key_get_map(lldpctl_k_med_policy_type)[0].string == NULL) return; struct cmd_node *configure_med = commands_new(configure, "med", "MED configuration", NULL, NULL, NULL); struct cmd_node *unconfigure_med = commands_new(unconfigure, "med", "MED configuration", NULL, NULL, NULL); register_commands_medloc(configure_med); register_commands_medpol(configure_med); register_commands_medpow(configure_med); register_commands_medfast(configure_med, unconfigure_med); } lldpd-1.0.18/src/client/conf-inv.c0000644000076400001440000001413314532716672016105 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * SPDX-FileCopyrightText: 2022 Koninklijke Philips N.V. * SPDX-License-Identifier: ISC */ #include #include #include "client.h" #include "../log.h" static int cmd_inventory(struct lldpctl_conn_t *conn, struct writer *w, struct cmd_env *env, const void *arg) { log_debug("lldpctl", "configure inventory information"); lldpctl_atom_t *chassis = lldpctl_get_local_chassis(conn); if (chassis == NULL) { log_warnx("lldpctl", "unable to get configuration from lldpd. %s", lldpctl_last_strerror(conn)); return 0; } const char *action = arg; if ((!strcmp(action, "hardware-revision") && (lldpctl_atom_set_str(chassis, lldpctl_k_chassis_med_inventory_hw, cmdenv_get(env, "hardware-revision")) == NULL)) || (!strcmp(action, "software-revision") && (lldpctl_atom_set_str(chassis, lldpctl_k_chassis_med_inventory_sw, cmdenv_get(env, "software-revision")) == NULL)) || (!strcmp(action, "firmware-revision") && (lldpctl_atom_set_str(chassis, lldpctl_k_chassis_med_inventory_fw, cmdenv_get(env, "firmware-revision")) == NULL)) || (!strcmp(action, "serial-number") && (lldpctl_atom_set_str(chassis, lldpctl_k_chassis_med_inventory_sn, cmdenv_get(env, "serial-number")) == NULL)) || (!strcmp(action, "manufacturer") && (lldpctl_atom_set_str(chassis, lldpctl_k_chassis_med_inventory_manuf, cmdenv_get(env, "manufacturer")) == NULL)) || (!strcmp(action, "model") && (lldpctl_atom_set_str(chassis, lldpctl_k_chassis_med_inventory_model, cmdenv_get(env, "model")) == NULL)) || (!strcmp(action, "asset") && (lldpctl_atom_set_str(chassis, lldpctl_k_chassis_med_inventory_asset, cmdenv_get(env, "asset")) == NULL))) { log_warnx("lldpctl", "Unable to setup inventory. %s", lldpctl_last_strerror(conn)); lldpctl_atom_dec_ref(chassis); return 0; } log_info("lldpctl", "Configuration for inventory is applied"); lldpctl_atom_dec_ref(chassis); return 1; } /** * Register `configure inventory *` commands * */ static void register_commands_inv(struct cmd_node *configure_inv, struct cmd_node *unconfigure_inv) { commands_new(commands_new(commands_new(configure_inv, "hardware-revision", "Set hardware-revision string", NULL, NULL, NULL), NULL, "Inventory hardware-revision string", NULL, cmd_store_env_value, "hardware-revision"), NEWLINE, "Set hardware-revision string", NULL, cmd_inventory, "hardware-revision"); commands_new(commands_new(unconfigure_inv, "hardware-revision", "Unset hardware-revision string", NULL, NULL, NULL), NEWLINE, "Unset hardware-revision string", NULL, cmd_inventory, "hardware-revision"); commands_new(commands_new(commands_new(configure_inv, "software-revision", "Set software-revision string", NULL, NULL, NULL), NULL, "Inventory software-revision string", NULL, cmd_store_env_value, "software-revision"), NEWLINE, "Set software-revision string", NULL, cmd_inventory, "software-revision"); commands_new(commands_new(unconfigure_inv, "software-revision", "Unset software-revision string", NULL, NULL, NULL), NEWLINE, "Unset software-revision string", NULL, cmd_inventory, "software-revision"); commands_new(commands_new(commands_new(configure_inv, "firmware-revision", "Set firmware-revision string", NULL, NULL, NULL), NULL, "Inventory firmware-revision string", NULL, cmd_store_env_value, "firmware-revision"), NEWLINE, "Set firmware-revision string", NULL, cmd_inventory, "firmware-revision"); commands_new(commands_new(unconfigure_inv, "firmware-revision", "Unset firmware-revision string", NULL, NULL, NULL), NEWLINE, "Unset firmware-revision string", NULL, cmd_inventory, "firmware-revision"); commands_new(commands_new(commands_new(configure_inv, "serial-number", "Set serial-number string", NULL, NULL, NULL), NULL, "Inventory serial-number string", NULL, cmd_store_env_value, "serial-number"), NEWLINE, "Set serial-number string", NULL, cmd_inventory, "serial-number"); commands_new(commands_new(unconfigure_inv, "serial-number", "Unset serial-number string", NULL, NULL, NULL), NEWLINE, "Unset serial-number string", NULL, cmd_inventory, "serial-number"); commands_new(commands_new(commands_new(configure_inv, "manufacturer", "Set manufacturer string", NULL, NULL, NULL), NULL, "Inventory manufacturer string", NULL, cmd_store_env_value, "manufacturer"), NEWLINE, "Set manufacturer string", NULL, cmd_inventory, "manufacturer"); commands_new(commands_new(unconfigure_inv, "manufacturer", "Unset manufacturer string", NULL, NULL, NULL), NEWLINE, "Unset manufacturer string", NULL, cmd_inventory, "manufacturer"); commands_new(commands_new(commands_new(configure_inv, "model", "Set model string", NULL, NULL, NULL), NULL, "Inventory model string", NULL, cmd_store_env_value, "model"), NEWLINE, "Set model string", NULL, cmd_inventory, "model"); commands_new(commands_new(unconfigure_inv, "model", "Unset model string", NULL, NULL, NULL), NEWLINE, "Unset model string", NULL, cmd_inventory, "model"); commands_new(commands_new(commands_new(configure_inv, "asset", "Set asset string", NULL, NULL, NULL), NULL, "Inventory asset string", NULL, cmd_store_env_value, "asset"), NEWLINE, "Set asset string", NULL, cmd_inventory, "asset"); commands_new(commands_new(unconfigure_inv, "asset", "Unset asset string", NULL, NULL, NULL), NEWLINE, "Unset asset string", NULL, cmd_inventory, "asset"); } /** * Register `configure inventory *` * */ void register_commands_configure_inventory(struct cmd_node *configure, struct cmd_node *unconfigure) { if (lldpctl_key_get_map(lldpctl_k_med_policy_type)[0].value <= 0) return; struct cmd_node *configure_inv = commands_new(configure, "inventory", "Inventory configuration", NULL, NULL, NULL); struct cmd_node *unconfigure_inv = commands_new(unconfigure, "inventory", "Inventory configuration", NULL, NULL, NULL); register_commands_inv(configure_inv, unconfigure_inv); } lldpd-1.0.18/src/Makefile.in0000644000076400001440000006102014550773312015000 0ustar00bernatusers# Makefile.in generated by automake 1.16.5 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2021 Free Software Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; 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c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2016 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #if HAVE_CONFIG_H # include #endif #include #include "compat/compat.h" #include "log.h" static void version_display_array(FILE *destination, const char *prefix, const char *const *items) { fprintf(destination, "%s", prefix); size_t count = 0; for (const char *const *p = items; *p; p++, count++) fprintf(destination, "%s%s", count ? ", " : "", *p); if (count == 0) fprintf(destination, "(none)\n"); else fprintf(destination, "\n"); } void version_display(FILE *destination, const char *progname, int verbose) { if (!verbose) { fprintf(destination, "%s\n", PACKAGE_VERSION); return; } const char *const lldp_features[] = { #ifdef ENABLE_LLDPMED "LLDP-MED", #endif #ifdef ENABLE_DOT1 "Dot1", #endif #ifdef ENABLE_DOT3 "Dot3", #endif #ifdef ENABLE_CUSTOM "Custom TLV", #endif NULL }; const char *const protocols[] = { #ifdef ENABLE_CDP "CDP", #endif #ifdef ENABLE_FDP "FDP", #endif #ifdef ENABLE_EDP "EDP", #endif #ifdef ENABLE_SONMP "SONMP", #endif NULL }; const char *const output_formats[] = { "TEXT", "KV", "JSON", #ifdef USE_XML "XML", #endif NULL }; fprintf(destination, "%s %s\n", progname, PACKAGE_VERSION); fprintf(destination, " Built on " BUILD_DATE "\n"); fprintf(destination, "\n"); /* Features */ if (!strcmp(progname, "lldpd")) { version_display_array(destination, "Additional LLDP features: ", lldp_features); version_display_array(destination, "Additional protocols: ", protocols); fprintf(destination, "SNMP support: " #ifdef USE_SNMP "yes\n" #else "no\n" #endif ); #ifdef HOST_OS_LINUX fprintf(destination, "Old kernel support: " # ifdef ENABLE_OLDIES "yes" # else "no" # endif " (Linux " MIN_LINUX_KERNEL_VERSION "+)\n"); #endif #ifdef ENABLE_PRIVSEP fprintf(destination, "Privilege separation: " "enabled\n"); fprintf(destination, "Privilege separation user: " PRIVSEP_USER "\n"); fprintf(destination, "Privilege separation group: " PRIVSEP_GROUP "\n"); fprintf(destination, "Privilege separation chroot: " PRIVSEP_CHROOT "\n"); #else fprintf(destination, "Privilege separation: " "disabled\n"); #endif fprintf(destination, "Configuration directory: " SYSCONFDIR "\n"); } if (!strcmp(progname, "lldpcli")) { version_display_array(destination, "Additional output formats: ", output_formats); } fprintf(destination, "\n"); /* Build */ fprintf(destination, "C compiler command: %s\n", LLDP_CC); fprintf(destination, "Linker command: %s\n", LLDP_LD); } lldpd-1.0.18/src/lib/0000755000076400001440000000000014550773325013506 5ustar00bernatuserslldpd-1.0.18/src/lib/Makefile.in0000644000076400001440000010314514550773312015553 0ustar00bernatusers# Makefile.in generated by automake 1.16.5 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2021 Free Software Foundation, Inc. # This Makefile.in is free software; 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ps-am ps-am: uninstall-am: uninstall-includeHEADERS uninstall-libLTLIBRARIES \ uninstall-pkgconfigDATA .MAKE: install-am install-strip .PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \ clean-generic clean-libLTLIBRARIES clean-libtool \ clean-noinstLTLIBRARIES cscopelist-am ctags ctags-am distclean \ distclean-compile distclean-generic distclean-libtool \ distclean-tags distdir dvi dvi-am html html-am info info-am \ install install-am install-data install-data-am install-dvi \ install-dvi-am install-exec install-exec-am install-html \ install-html-am install-includeHEADERS install-info \ install-info-am install-libLTLIBRARIES install-man install-pdf \ install-pdf-am install-pkgconfigDATA install-ps install-ps-am \ install-strip installcheck installcheck-am installdirs \ maintainer-clean maintainer-clean-generic mostlyclean \ mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \ uninstall-includeHEADERS uninstall-libLTLIBRARIES \ uninstall-pkgconfigDATA .PRECIOUS: Makefile atom-glue.c: $(ATOM_FILES) Makefile $(AM_V_GEN)(for f in $(ATOM_FILES:%=$(srcdir)/%); do \ $(CPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) $$f; done | \ $(SED) -n 's+^void init_atom_builder_\([^(]*\)(void).*, \([0-9]*\)).*+\2 \1+p' | \ sort | \ $(AWK) '{ atoms[$$2] = 1 } \ END { for (atom in atoms) { print "void init_atom_builder_"atom"(void);" } \ print "void init_atom_builder(void);"; \ print "void init_atom_builder(void) {"; \ print " static int init = 0; if (init) return; init++;"; \ for (atom in atoms) { print " init_atom_builder_"atom"();" } \ print "}"; }' && \ for f in $(ATOM_FILES:%=$(srcdir)/%); do \ $(CPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) $$f; done | \ $(SED) -n 's+^void init_atom_map_\([^(]*\)(void).*, \([0-9]*\)).*+\2 \1+p' | \ sort -n | \ $(AWK) '{ atoms[$$2] = 1 } \ END { for (atom in atoms) { print "void init_atom_map_"atom"(void);" } \ print "void init_atom_map(void);"; \ print "void init_atom_map(void) {"; \ print " static int init = 0; if (init) return; init++;"; \ for (atom in atoms) { print " init_atom_map_"atom"();" } \ print "}"; }' ) \ > $@.tmp $(AM_V_at)$(GREP) -q init_atom_builder_ $@.tmp $(AM_V_at)$(GREP) -q init_atom_map_ $@.tmp $(AM_V_at)mv $@.tmp $@ lldpctl.pc: lldpctl.pc.in $(TEMPLATES): Makefile $(AM_V_GEN)$(MKDIR_P) $(@D) && $(edit) $(srcdir)/$@.in > $@.tmp && mv $@.tmp $@ # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: lldpd-1.0.18/src/lib/atoms/0000755000076400001440000000000014550773325014631 5ustar00bernatuserslldpd-1.0.18/src/lib/atoms/dot3.c0000644000076400001440000003264014532716672015655 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2015 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "../lldpctl.h" #include "../../log.h" #include "../atom.h" #include "../helpers.h" #ifdef ENABLE_DOT3 static lldpctl_map_t port_dot3_power_devicetype_map[] = { { LLDP_DOT3_POWER_PSE, "PSE" }, { LLDP_DOT3_POWER_PD, "PD" }, { 0, NULL } }; static lldpctl_map_t port_dot3_power_pse_source_map[] = { { LLDP_DOT3_POWER_SOURCE_BOTH, "PSE + Local" }, { LLDP_DOT3_POWER_SOURCE_PSE, "PSE" }, { 0, NULL } }; static lldpctl_map_t port_dot3_power_pd_source_map[] = { { LLDP_DOT3_POWER_SOURCE_BACKUP, "Backup source" }, { LLDP_DOT3_POWER_SOURCE_PRIMARY, "Primary power source" }, { 0, NULL } }; static struct atom_map port_dot3_power_pairs_map = { .key = lldpctl_k_dot3_power_pairs, .map = { { LLDP_DOT3_POWERPAIRS_SIGNAL, "signal" }, { LLDP_DOT3_POWERPAIRS_SPARE, "spare" }, { 0, NULL } }, }; static struct atom_map port_dot3_power_class_map = { .key = lldpctl_k_dot3_power_class, .map = { { 1, "class 0" }, { 2, "class 1" }, { 3, "class 2" }, { 4, "class 3" }, { 5, "class 4" }, { 0, NULL } }, }; static struct atom_map port_dot3_power_priority_map = { .key = lldpctl_k_dot3_power_priority, .map = { { 0, "unknown" }, { LLDP_MED_POW_PRIO_CRITICAL, "critical" }, { LLDP_MED_POW_PRIO_HIGH, "high" }, { LLDP_MED_POW_PRIO_LOW, "low" }, { 0, NULL }, }, }; static struct atom_map port_dot3_power_pd_4pid_map = { .key = lldpctl_k_dot3_power_pd_4pid, .map = { { 0, "PD does not support powering both modes" }, { 1, "PD supports powering both modes" }, { 0, NULL}, }, }; static struct atom_map port_dot3_power_pse_status_map = { .key = lldpctl_k_dot3_power_pse_status, .map = { { 0, "unknown" }, { 1, "2-pair powering" }, { 2, "4-pair powering dual-signature PD" }, { 3, "4-pair powering single-signature PD" }, { 0, NULL }, }, }; static struct atom_map port_dot3_power_pd_status_map = { .key = lldpctl_k_dot3_power_pd_status, .map = { { 0, "unknown" }, { 1, "2-pair powered PD" }, { 2, "4-pair powered dual-signature PD" }, { 3, "4-pair powered single-signature PD" }, { 0, NULL }, }, }; static struct atom_map port_dot3_power_pse_pairs_ext_map = { .key = lldpctl_k_dot3_power_pse_pairs_ext, .map = { { 0, "unknown" }, { 1, "alternative A" }, { 2, "alternative B" }, { 3, "both alternatives" }, { 0, NULL }, }, }; static struct atom_map port_dot3_power_class_a_map = { .key = lldpctl_k_dot3_power_class_a, .map = { { 0, "unknown" }, { 1, "class 1" }, { 2, "class 2" }, { 3, "class 3" }, { 4, "class 4" }, { 5, "class 5" }, { 6, "unknown" }, { 7, "single-signature PD or 2-pair only PSE" }, { 0, NULL }, }, }; static struct atom_map port_dot3_power_class_b_map = { .key = lldpctl_k_dot3_power_class_b, .map = { { 0, "unknown" }, { 1, "class 1" }, { 2, "class 2" }, { 3, "class 3" }, { 4, "class 4" }, { 5, "class 5" }, { 6, "unknown" }, { 7, "single-signature PD or 2-pair only PSE" }, { 0, NULL }, }, }; static struct atom_map port_dot3_power_class_ext_map = { .key = lldpctl_k_dot3_power_class_ext, .map = { { 0, "unknown" }, { 1, "class 1" }, { 2, "class 2" }, { 3, "class 3" }, { 4, "class 4" }, { 5, "class 5" }, { 6, "class 6" }, { 7, "class 7" }, { 8, "class 8" }, { 9, "unknown" }, { 10, "unknown" }, { 11, "unknown" }, { 12, "unknown" }, { 13, "unknown" }, { 14, "unknown" }, { 15, "dual-signature PD" }, { 0, NULL }, }, }; static struct atom_map port_dot3_power_type_ext_map = { .key = lldpctl_k_dot3_power_type_ext, .map = { { LLDP_DOT3_POWER_8023BT_OFF, "802.3bt off" }, { 1, "type 3 PSE" }, { 2, "type 4 PSE" }, { 3, "type 3 single-signature PD" }, { 4, "type 3 dual-signature PD" }, { 5, "type 4 single-signature PD" }, { 6, "type 4 dual-signature PD" }, { 7, "unknown" }, { 8, "unknown" }, { 0, NULL }, }, }; static struct atom_map port_dot3_power_pd_load_map = { .key = lldpctl_k_dot3_power_pd_load, .map = { { 0, "PD is single- or dual-signature and power is not " "electrically isolated" }, { 1, "PD is dual-signature and power is electrically " "isolated" }, { 0, NULL }, }, }; ATOM_MAP_REGISTER(port_dot3_power_pairs_map, 4); ATOM_MAP_REGISTER(port_dot3_power_class_map, 5); ATOM_MAP_REGISTER(port_dot3_power_priority_map, 6); static int _lldpctl_atom_new_dot3_power(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_dot3_power_t *dpow = (struct _lldpctl_atom_dot3_power_t *)atom; dpow->parent = va_arg(ap, struct _lldpctl_atom_port_t *); lldpctl_atom_inc_ref((lldpctl_atom_t *)dpow->parent); return 1; } static void _lldpctl_atom_free_dot3_power(lldpctl_atom_t *atom) { struct _lldpctl_atom_dot3_power_t *dpow = (struct _lldpctl_atom_dot3_power_t *)atom; lldpctl_atom_dec_ref((lldpctl_atom_t *)dpow->parent); } static const char * _lldpctl_atom_get_str_dot3_power(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_dot3_power_t *dpow = (struct _lldpctl_atom_dot3_power_t *)atom; struct lldpd_port *port = dpow->parent->port; /* Local and remote port */ switch (key) { case lldpctl_k_dot3_power_devicetype: return map_lookup(port_dot3_power_devicetype_map, port->p_power.devicetype); case lldpctl_k_dot3_power_pairs: return map_lookup(port_dot3_power_pairs_map.map, port->p_power.pairs); case lldpctl_k_dot3_power_class: return map_lookup(port_dot3_power_class_map.map, port->p_power.class); case lldpctl_k_dot3_power_source: return map_lookup((port->p_power.devicetype == LLDP_DOT3_POWER_PSE) ? port_dot3_power_pse_source_map : port_dot3_power_pd_source_map, port->p_power.source); case lldpctl_k_dot3_power_priority: return map_lookup(port_dot3_power_priority_map.map, port->p_power.priority); case lldpctl_k_dot3_power_pd_4pid: return map_lookup(port_dot3_power_pd_4pid_map.map, port->p_power.pd_4pid); case lldpctl_k_dot3_power_pse_status: return map_lookup(port_dot3_power_pse_status_map.map, port->p_power.pse_status); case lldpctl_k_dot3_power_pd_status: return map_lookup(port_dot3_power_pd_status_map.map, port->p_power.pd_status); case lldpctl_k_dot3_power_pse_pairs_ext: return map_lookup(port_dot3_power_pse_pairs_ext_map.map, port->p_power.pse_pairs_ext); case lldpctl_k_dot3_power_class_a: return map_lookup(port_dot3_power_class_a_map.map, port->p_power.class_a); case lldpctl_k_dot3_power_class_b: return map_lookup(port_dot3_power_class_b_map.map, port->p_power.class_b); case lldpctl_k_dot3_power_class_ext: return map_lookup(port_dot3_power_class_ext_map.map, port->p_power.class_ext); case lldpctl_k_dot3_power_type_ext: return map_lookup(port_dot3_power_type_ext_map.map, port->p_power.type_ext); case lldpctl_k_dot3_power_pd_load: return map_lookup(port_dot3_power_pd_load_map.map, port->p_power.pd_load); default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static long int _lldpctl_atom_get_int_dot3_power(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_dot3_power_t *dpow = (struct _lldpctl_atom_dot3_power_t *)atom; struct lldpd_port *port = dpow->parent->port; /* Local and remote port */ switch (key) { case lldpctl_k_dot3_power_devicetype: return port->p_power.devicetype; case lldpctl_k_dot3_power_supported: return port->p_power.supported; case lldpctl_k_dot3_power_enabled: return port->p_power.enabled; case lldpctl_k_dot3_power_paircontrol: return port->p_power.paircontrol; case lldpctl_k_dot3_power_pairs: return port->p_power.pairs; case lldpctl_k_dot3_power_class: return port->p_power.class; case lldpctl_k_dot3_power_type: return port->p_power.powertype; case lldpctl_k_dot3_power_source: return port->p_power.source; case lldpctl_k_dot3_power_priority: return port->p_power.priority; case lldpctl_k_dot3_power_requested: return port->p_power.requested * 100; case lldpctl_k_dot3_power_allocated: return port->p_power.allocated * 100; /* 802.3bt additions */ case lldpctl_k_dot3_power_pd_4pid: return port->p_power.pd_4pid; case lldpctl_k_dot3_power_requested_a: return port->p_power.requested_a * 100; case lldpctl_k_dot3_power_requested_b: return port->p_power.requested_b * 100; case lldpctl_k_dot3_power_allocated_a: return port->p_power.allocated_a * 100; case lldpctl_k_dot3_power_allocated_b: return port->p_power.allocated_b * 100; case lldpctl_k_dot3_power_pse_status: return port->p_power.pse_status; case lldpctl_k_dot3_power_pd_status: return port->p_power.pd_status; case lldpctl_k_dot3_power_pse_pairs_ext: return port->p_power.pse_pairs_ext; case lldpctl_k_dot3_power_class_a: return port->p_power.class_a; case lldpctl_k_dot3_power_class_b: return port->p_power.class_b; case lldpctl_k_dot3_power_class_ext: return port->p_power.class_ext; case lldpctl_k_dot3_power_type_ext: return port->p_power.type_ext; case lldpctl_k_dot3_power_pd_load: return port->p_power.pd_load; case lldpctl_k_dot3_power_pse_max: return port->p_power.pse_max * 100; default: return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); } } static lldpctl_atom_t * _lldpctl_atom_set_int_dot3_power(lldpctl_atom_t *atom, lldpctl_key_t key, long int value) { struct _lldpctl_atom_dot3_power_t *dpow = (struct _lldpctl_atom_dot3_power_t *)atom; struct lldpd_port *port = dpow->parent->port; /* Only local port can be modified */ if (!dpow->parent->local) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } switch (key) { case lldpctl_k_dot3_power_devicetype: switch (value) { case 0: /* Disabling */ case LLDP_DOT3_POWER_PSE: case LLDP_DOT3_POWER_PD: port->p_power.devicetype = value; return atom; default: goto bad; } case lldpctl_k_dot3_power_supported: switch (value) { case 0: case 1: port->p_power.supported = value; return atom; default: goto bad; } case lldpctl_k_dot3_power_enabled: switch (value) { case 0: case 1: port->p_power.enabled = value; return atom; default: goto bad; } case lldpctl_k_dot3_power_paircontrol: switch (value) { case 0: case 1: port->p_power.paircontrol = value; return atom; default: goto bad; } case lldpctl_k_dot3_power_pairs: switch (value) { case 1: case 2: port->p_power.pairs = value; return atom; default: goto bad; } case lldpctl_k_dot3_power_class: if (value < 0 || value > 5) goto bad; port->p_power.class = value; return atom; case lldpctl_k_dot3_power_type: switch (value) { case LLDP_DOT3_POWER_8023AT_TYPE1: case LLDP_DOT3_POWER_8023AT_TYPE2: case LLDP_DOT3_POWER_8023AT_OFF: port->p_power.powertype = value; return atom; default: goto bad; } case lldpctl_k_dot3_power_source: if (value < 0 || value > 3) goto bad; port->p_power.source = value; return atom; case lldpctl_k_dot3_power_priority: switch (value) { case LLDP_DOT3_POWER_PRIO_UNKNOWN: case LLDP_DOT3_POWER_PRIO_CRITICAL: case LLDP_DOT3_POWER_PRIO_HIGH: case LLDP_DOT3_POWER_PRIO_LOW: port->p_power.priority = value; return atom; default: goto bad; } case lldpctl_k_dot3_power_allocated: if (value < 0) goto bad; port->p_power.allocated = value / 100; return atom; case lldpctl_k_dot3_power_requested: if (value < 0) goto bad; port->p_power.requested = value / 100; return atom; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return atom; bad: SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE); return NULL; } static lldpctl_atom_t * _lldpctl_atom_set_str_dot3_power(lldpctl_atom_t *atom, lldpctl_key_t key, const char *value) { switch (key) { case lldpctl_k_dot3_power_devicetype: return _lldpctl_atom_set_int_dot3_power(atom, key, map_reverse_lookup(port_dot3_power_devicetype_map, value)); case lldpctl_k_dot3_power_pairs: return _lldpctl_atom_set_int_dot3_power(atom, key, map_reverse_lookup(port_dot3_power_pairs_map.map, value)); case lldpctl_k_dot3_power_class: return _lldpctl_atom_set_int_dot3_power(atom, key, map_reverse_lookup(port_dot3_power_class_map.map, value)); case lldpctl_k_dot3_power_priority: return _lldpctl_atom_set_int_dot3_power(atom, key, map_reverse_lookup(port_dot3_power_priority_map.map, value)); default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static struct atom_builder dot3_power = { atom_dot3_power, sizeof(struct _lldpctl_atom_dot3_power_t), .init = _lldpctl_atom_new_dot3_power, .free = _lldpctl_atom_free_dot3_power, .get_int = _lldpctl_atom_get_int_dot3_power, .set_int = _lldpctl_atom_set_int_dot3_power, .get_str = _lldpctl_atom_get_str_dot3_power, .set_str = _lldpctl_atom_set_str_dot3_power }; ATOM_BUILDER_REGISTER(dot3_power, 8); #endif lldpd-1.0.18/src/lib/atoms/dot1.c0000644000076400001440000001765114532716672015660 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2015 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "../lldpctl.h" #include "../../log.h" #include "../atom.h" #include "../helpers.h" #ifdef ENABLE_DOT1 static lldpctl_atom_iter_t * _lldpctl_atom_iter_vlans_list(lldpctl_atom_t *atom) { struct _lldpctl_atom_any_list_t *vlist = (struct _lldpctl_atom_any_list_t *)atom; return (lldpctl_atom_iter_t *)TAILQ_FIRST(&vlist->parent->port->p_vlans); } static lldpctl_atom_iter_t * _lldpctl_atom_next_vlans_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct lldpd_vlan *vlan = (struct lldpd_vlan *)iter; return (lldpctl_atom_iter_t *)TAILQ_NEXT(vlan, v_entries); } static lldpctl_atom_t * _lldpctl_atom_value_vlans_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct _lldpctl_atom_any_list_t *vlist = (struct _lldpctl_atom_any_list_t *)atom; struct lldpd_vlan *vlan = (struct lldpd_vlan *)iter; return _lldpctl_new_atom(atom->conn, atom_vlan, vlist->parent, vlan); } static int _lldpctl_atom_new_vlan(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_vlan_t *vlan = (struct _lldpctl_atom_vlan_t *)atom; vlan->parent = va_arg(ap, struct _lldpctl_atom_port_t *); vlan->vlan = va_arg(ap, struct lldpd_vlan *); lldpctl_atom_inc_ref((lldpctl_atom_t *)vlan->parent); return 1; } static void _lldpctl_atom_free_vlan(lldpctl_atom_t *atom) { struct _lldpctl_atom_vlan_t *vlan = (struct _lldpctl_atom_vlan_t *)atom; lldpctl_atom_dec_ref((lldpctl_atom_t *)vlan->parent); } static const char * _lldpctl_atom_get_str_vlan(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_vlan_t *m = (struct _lldpctl_atom_vlan_t *)atom; /* Local and remote port */ switch (key) { case lldpctl_k_vlan_name: return m->vlan->v_name; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static long int _lldpctl_atom_get_int_vlan(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_vlan_t *m = (struct _lldpctl_atom_vlan_t *)atom; /* Local and remote port */ switch (key) { case lldpctl_k_vlan_id: return m->vlan->v_vid; default: return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); } } static lldpctl_atom_iter_t * _lldpctl_atom_iter_ppvids_list(lldpctl_atom_t *atom) { struct _lldpctl_atom_any_list_t *vlist = (struct _lldpctl_atom_any_list_t *)atom; return (lldpctl_atom_iter_t *)TAILQ_FIRST(&vlist->parent->port->p_ppvids); } static lldpctl_atom_iter_t * _lldpctl_atom_next_ppvids_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct lldpd_ppvid *ppvid = (struct lldpd_ppvid *)iter; return (lldpctl_atom_iter_t *)TAILQ_NEXT(ppvid, p_entries); } static lldpctl_atom_t * _lldpctl_atom_value_ppvids_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct _lldpctl_atom_any_list_t *vlist = (struct _lldpctl_atom_any_list_t *)atom; struct lldpd_ppvid *ppvid = (struct lldpd_ppvid *)iter; return _lldpctl_new_atom(atom->conn, atom_ppvid, vlist->parent, ppvid); } static int _lldpctl_atom_new_ppvid(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_ppvid_t *ppvid = (struct _lldpctl_atom_ppvid_t *)atom; ppvid->parent = va_arg(ap, struct _lldpctl_atom_port_t *); ppvid->ppvid = va_arg(ap, struct lldpd_ppvid *); lldpctl_atom_inc_ref((lldpctl_atom_t *)ppvid->parent); return 1; } static void _lldpctl_atom_free_ppvid(lldpctl_atom_t *atom) { struct _lldpctl_atom_ppvid_t *ppvid = (struct _lldpctl_atom_ppvid_t *)atom; lldpctl_atom_dec_ref((lldpctl_atom_t *)ppvid->parent); } static long int _lldpctl_atom_get_int_ppvid(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_ppvid_t *m = (struct _lldpctl_atom_ppvid_t *)atom; /* Local and remote port */ switch (key) { case lldpctl_k_ppvid_id: return m->ppvid->p_ppvid; case lldpctl_k_ppvid_status: return m->ppvid->p_cap_status; default: return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); } } static lldpctl_atom_iter_t * _lldpctl_atom_iter_pis_list(lldpctl_atom_t *atom) { struct _lldpctl_atom_any_list_t *vlist = (struct _lldpctl_atom_any_list_t *)atom; return (lldpctl_atom_iter_t *)TAILQ_FIRST(&vlist->parent->port->p_pids); } static lldpctl_atom_iter_t * _lldpctl_atom_next_pis_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct lldpd_pi *pi = (struct lldpd_pi *)iter; return (lldpctl_atom_iter_t *)TAILQ_NEXT(pi, p_entries); } static lldpctl_atom_t * _lldpctl_atom_value_pis_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct _lldpctl_atom_any_list_t *vlist = (struct _lldpctl_atom_any_list_t *)atom; struct lldpd_pi *pi = (struct lldpd_pi *)iter; return _lldpctl_new_atom(atom->conn, atom_pi, vlist->parent, pi); } static int _lldpctl_atom_new_pi(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_pi_t *pi = (struct _lldpctl_atom_pi_t *)atom; pi->parent = va_arg(ap, struct _lldpctl_atom_port_t *); pi->pi = va_arg(ap, struct lldpd_pi *); lldpctl_atom_inc_ref((lldpctl_atom_t *)pi->parent); return 1; } static void _lldpctl_atom_free_pi(lldpctl_atom_t *atom) { struct _lldpctl_atom_pi_t *pi = (struct _lldpctl_atom_pi_t *)atom; lldpctl_atom_dec_ref((lldpctl_atom_t *)pi->parent); } static const uint8_t * _lldpctl_atom_get_buf_pi(lldpctl_atom_t *atom, lldpctl_key_t key, size_t *n) { struct _lldpctl_atom_pi_t *m = (struct _lldpctl_atom_pi_t *)atom; /* Local and remote port */ switch (key) { case lldpctl_k_pi_id: *n = m->pi->p_pi_len; return (const uint8_t *)m->pi->p_pi; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static struct atom_builder vlans_list = { atom_vlans_list, sizeof(struct _lldpctl_atom_any_list_t), .init = _lldpctl_atom_new_any_list, .free = _lldpctl_atom_free_any_list, .iter = _lldpctl_atom_iter_vlans_list, .next = _lldpctl_atom_next_vlans_list, .value = _lldpctl_atom_value_vlans_list }; static struct atom_builder vlan = { atom_vlan, sizeof(struct _lldpctl_atom_vlan_t), .init = _lldpctl_atom_new_vlan, .free = _lldpctl_atom_free_vlan, .get_str = _lldpctl_atom_get_str_vlan, .get_int = _lldpctl_atom_get_int_vlan }; static struct atom_builder ppvids_list = { atom_ppvids_list, sizeof(struct _lldpctl_atom_any_list_t), .init = _lldpctl_atom_new_any_list, .free = _lldpctl_atom_free_any_list, .iter = _lldpctl_atom_iter_ppvids_list, .next = _lldpctl_atom_next_ppvids_list, .value = _lldpctl_atom_value_ppvids_list }; static struct atom_builder ppvid = { atom_ppvid, sizeof(struct _lldpctl_atom_ppvid_t), .init = _lldpctl_atom_new_ppvid, .free = _lldpctl_atom_free_ppvid, .get_int = _lldpctl_atom_get_int_ppvid }; static struct atom_builder pis_list = { atom_pis_list, sizeof(struct _lldpctl_atom_any_list_t), .init = _lldpctl_atom_new_any_list, .free = _lldpctl_atom_free_any_list, .iter = _lldpctl_atom_iter_pis_list, .next = _lldpctl_atom_next_pis_list, .value = _lldpctl_atom_value_pis_list }; static struct atom_builder pi = { atom_pi, sizeof(struct _lldpctl_atom_pi_t), .init = _lldpctl_atom_new_pi, .free = _lldpctl_atom_free_pi, .get_buffer = _lldpctl_atom_get_buf_pi }; ATOM_BUILDER_REGISTER(vlans_list, 9); ATOM_BUILDER_REGISTER(vlan, 10); ATOM_BUILDER_REGISTER(ppvids_list, 11); ATOM_BUILDER_REGISTER(ppvid, 12); ATOM_BUILDER_REGISTER(pis_list, 13); ATOM_BUILDER_REGISTER(pi, 14); #endif lldpd-1.0.18/src/lib/atoms/chassis.c0000644000076400001440000002275514532716672016447 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2015 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "../lldpctl.h" #include "../../log.h" #include "../atom.h" #include "../helpers.h" static lldpctl_map_t chassis_id_subtype_map[] = { { LLDP_CHASSISID_SUBTYPE_IFNAME, "ifname" }, { LLDP_CHASSISID_SUBTYPE_IFALIAS, "ifalias" }, { LLDP_CHASSISID_SUBTYPE_LOCAL, "local" }, { LLDP_CHASSISID_SUBTYPE_LLADDR, "mac" }, { LLDP_CHASSISID_SUBTYPE_ADDR, "ip" }, { LLDP_CHASSISID_SUBTYPE_PORT, "unhandled" }, { LLDP_CHASSISID_SUBTYPE_CHASSIS, "unhandled" }, { 0, NULL }, }; #ifdef ENABLE_LLDPMED static lldpctl_map_t chassis_med_type_map[] = { { LLDP_MED_CLASS_I, "Generic Endpoint (Class I)" }, { LLDP_MED_CLASS_II, "Media Endpoint (Class II)" }, { LLDP_MED_CLASS_III, "Communication Device Endpoint (Class III)" }, { LLDP_MED_NETWORK_DEVICE, "Network Connectivity Device" }, { 0, NULL }, }; #endif static int _lldpctl_atom_new_chassis(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_chassis_t *p = (struct _lldpctl_atom_chassis_t *)atom; p->chassis = va_arg(ap, struct lldpd_chassis *); p->parent = va_arg(ap, struct _lldpctl_atom_port_t *); p->embedded = va_arg(ap, int); if (p->parent && !p->embedded) lldpctl_atom_inc_ref((lldpctl_atom_t *)p->parent); return 1; } static void _lldpctl_atom_free_chassis(lldpctl_atom_t *atom) { struct _lldpctl_atom_chassis_t *p = (struct _lldpctl_atom_chassis_t *)atom; /* When we have a parent, the chassis structure is in fact part of the * parent, just decrement the reference count of the parent. Otherwise, * we need to free the whole chassis. When embedded, we don't alter the * reference count of the parent. Therefore, it's important to also not * increase the reference count of this atom. See * `_lldpctl_atom_get_atom_chassis' for how to handle that. */ if (p->parent) { if (!p->embedded) lldpctl_atom_dec_ref((lldpctl_atom_t *)p->parent); } else lldpd_chassis_cleanup(p->chassis, 1); } static lldpctl_atom_t * _lldpctl_atom_get_atom_chassis(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_chassis_t *p = (struct _lldpctl_atom_chassis_t *)atom; struct lldpd_chassis *chassis = p->chassis; switch (key) { case lldpctl_k_chassis_mgmt: return _lldpctl_new_atom(atom->conn, atom_mgmts_list, (p->parent && p->embedded) ? (lldpctl_atom_t *)p->parent : (lldpctl_atom_t *)p, chassis); default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } #ifdef ENABLE_LLDPMED static lldpctl_atom_t * _lldpctl_atom_set_str_chassis(lldpctl_atom_t *atom, lldpctl_key_t key, const char *value) { struct _lldpctl_atom_chassis_t *p = (struct _lldpctl_atom_chassis_t *)atom; struct lldpd_chassis *chassis = p->chassis; char *canary = NULL; int rc; switch (key) { case lldpctl_k_chassis_med_inventory_hw: free(chassis->c_med_hw); chassis->c_med_hw = xstrdup(value); break; case lldpctl_k_chassis_med_inventory_sw: free(chassis->c_med_sw); chassis->c_med_sw = xstrdup(value); break; case lldpctl_k_chassis_med_inventory_fw: free(chassis->c_med_fw); chassis->c_med_fw = xstrdup(value); break; case lldpctl_k_chassis_med_inventory_sn: free(chassis->c_med_sn); chassis->c_med_sn = xstrdup(value); break; case lldpctl_k_chassis_med_inventory_manuf: free(chassis->c_med_manuf); chassis->c_med_manuf = xstrdup(value); break; case lldpctl_k_chassis_med_inventory_model: free(chassis->c_med_model); chassis->c_med_model = xstrdup(value); break; case lldpctl_k_chassis_med_inventory_asset: free(chassis->c_med_asset); chassis->c_med_asset = xstrdup(value); break; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } if (asprintf(&canary, "%d%s", key, value ? value : "(NULL)") == -1) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM); return NULL; } rc = _lldpctl_do_something(atom->conn, CONN_STATE_SET_CHASSIS_SEND, CONN_STATE_SET_CHASSIS_RECV, canary, SET_CHASSIS, chassis, &MARSHAL_INFO(lldpd_chassis), NULL, NULL); free(canary); if (rc == 0) return atom; return NULL; } #endif /* ENABLE_LLDPMED */ static const char * _lldpctl_atom_get_str_chassis(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_chassis_t *p = (struct _lldpctl_atom_chassis_t *)atom; struct lldpd_chassis *chassis = p->chassis; char *ipaddress = NULL; size_t len; /* Local and remote port */ switch (key) { case lldpctl_k_chassis_id_subtype: return map_lookup(chassis_id_subtype_map, chassis->c_id_subtype); case lldpctl_k_chassis_id: switch (chassis->c_id_subtype) { case LLDP_CHASSISID_SUBTYPE_IFNAME: case LLDP_CHASSISID_SUBTYPE_IFALIAS: case LLDP_CHASSISID_SUBTYPE_LOCAL: return chassis->c_id; case LLDP_CHASSISID_SUBTYPE_LLADDR: return _lldpctl_dump_in_atom(atom, (uint8_t *)chassis->c_id, chassis->c_id_len, ':', 0); case LLDP_CHASSISID_SUBTYPE_ADDR: switch (chassis->c_id[0]) { case LLDP_MGMT_ADDR_IP4: len = INET_ADDRSTRLEN + 1; break; case LLDP_MGMT_ADDR_IP6: len = INET6_ADDRSTRLEN + 1; break; default: len = 0; } if (len > 0) { ipaddress = _lldpctl_alloc_in_atom(atom, len); if (!ipaddress) return NULL; if (inet_ntop((chassis->c_id[0] == LLDP_MGMT_ADDR_IP4) ? AF_INET : AF_INET6, &chassis->c_id[1], ipaddress, len) == NULL) break; return ipaddress; } break; } SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; case lldpctl_k_chassis_name: return chassis->c_name; case lldpctl_k_chassis_descr: return chassis->c_descr; #ifdef ENABLE_LLDPMED case lldpctl_k_chassis_med_type: return map_lookup(chassis_med_type_map, chassis->c_med_type); case lldpctl_k_chassis_med_inventory_hw: return chassis->c_med_hw; case lldpctl_k_chassis_med_inventory_sw: return chassis->c_med_sw; case lldpctl_k_chassis_med_inventory_fw: return chassis->c_med_fw; case lldpctl_k_chassis_med_inventory_sn: return chassis->c_med_sn; case lldpctl_k_chassis_med_inventory_manuf: return chassis->c_med_manuf; case lldpctl_k_chassis_med_inventory_model: return chassis->c_med_model; case lldpctl_k_chassis_med_inventory_asset: return chassis->c_med_asset; #endif default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static lldpctl_atom_t * _lldpctl_atom_set_int_chassis(lldpctl_atom_t *atom, lldpctl_key_t key, long int value) { int rc; char *canary = NULL; struct _lldpctl_atom_chassis_t *c = (struct _lldpctl_atom_chassis_t *)atom; struct lldpd_chassis chassis; memcpy(&chassis, c->chassis, sizeof(struct lldpd_chassis)); switch (key) { case lldpctl_k_chassis_cap_enabled: chassis.c_cap_enabled = c->chassis->c_cap_enabled = chassis.c_cap_available & value; break; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } if (asprintf(&canary, "%d%ld", key, value) == -1) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM); return NULL; } rc = _lldpctl_do_something(atom->conn, CONN_STATE_SET_CHASSIS_SEND, CONN_STATE_SET_CHASSIS_RECV, canary, SET_CHASSIS, &chassis, &MARSHAL_INFO(lldpd_chassis), NULL, NULL); free(canary); if (rc == 0) return atom; return NULL; } static long int _lldpctl_atom_get_int_chassis(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_chassis_t *p = (struct _lldpctl_atom_chassis_t *)atom; struct lldpd_chassis *chassis = p->chassis; /* Local and remote port */ switch (key) { case lldpctl_k_chassis_index: return chassis->c_index; case lldpctl_k_chassis_id_subtype: return chassis->c_id_subtype; case lldpctl_k_chassis_cap_available: return chassis->c_cap_available; case lldpctl_k_chassis_cap_enabled: return chassis->c_cap_enabled; #ifdef ENABLE_LLDPMED case lldpctl_k_chassis_med_type: return chassis->c_med_type; case lldpctl_k_chassis_med_cap: return chassis->c_med_cap_available; #endif default: return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); } } static const uint8_t * _lldpctl_atom_get_buf_chassis(lldpctl_atom_t *atom, lldpctl_key_t key, size_t *n) { struct _lldpctl_atom_chassis_t *p = (struct _lldpctl_atom_chassis_t *)atom; struct lldpd_chassis *chassis = p->chassis; switch (key) { case lldpctl_k_chassis_id: *n = chassis->c_id_len; return (uint8_t *)chassis->c_id; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static struct atom_builder chassis = { atom_chassis, sizeof(struct _lldpctl_atom_chassis_t), .init = _lldpctl_atom_new_chassis, .free = _lldpctl_atom_free_chassis, .get = _lldpctl_atom_get_atom_chassis, .get_str = _lldpctl_atom_get_str_chassis, .get_int = _lldpctl_atom_get_int_chassis, .set_int = _lldpctl_atom_set_int_chassis, .get_buffer = _lldpctl_atom_get_buf_chassis, #ifdef ENABLE_LLDPMED .set_str = _lldpctl_atom_set_str_chassis, #endif }; ATOM_BUILDER_REGISTER(chassis, 3); lldpd-1.0.18/src/lib/atoms/config.c0000644000076400001440000002465714532716672016262 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2015 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "../lldpctl.h" #include "../../log.h" #include "../atom.h" #include "../helpers.h" static struct atom_map bond_slave_src_mac_map = { .key = lldpctl_k_config_bond_slave_src_mac_type, .map = { { LLDP_BOND_SLAVE_SRC_MAC_TYPE_REAL, "real"}, { LLDP_BOND_SLAVE_SRC_MAC_TYPE_ZERO, "zero"}, { LLDP_BOND_SLAVE_SRC_MAC_TYPE_FIXED, "fixed"}, { LLDP_BOND_SLAVE_SRC_MAC_TYPE_LOCALLY_ADMINISTERED, "local" }, { LLDP_BOND_SLAVE_SRC_MAC_TYPE_UNKNOWN, NULL}, }, }; static struct atom_map lldp_portid_map = { .key = lldpctl_k_config_lldp_portid_type, .map = { { LLDP_PORTID_SUBTYPE_IFNAME, "ifname"}, { LLDP_PORTID_SUBTYPE_LLADDR, "macaddress"}, { LLDP_PORTID_SUBTYPE_LOCAL, "local"}, { LLDP_PORTID_SUBTYPE_UNKNOWN, NULL}, }, }; static struct atom_map lldp_agent_map = { .key = lldpctl_k_config_lldp_agent_type, .map = { { LLDP_AGENT_TYPE_NEAREST_BRIDGE, "nearest bridge"}, { LLDP_AGENT_TYPE_NEAREST_NONTPMR_BRIDGE, "nearest non-TPMR bridge"}, { LLDP_AGENT_TYPE_NEAREST_CUSTOMER_BRIDGE, "nearest customer bridge"}, { LLDP_AGENT_TYPE_UNKNOWN, NULL}, }, }; ATOM_MAP_REGISTER(bond_slave_src_mac_map, 1); ATOM_MAP_REGISTER(lldp_portid_map, 2); ATOM_MAP_REGISTER(lldp_agent_map, 3); static int _lldpctl_atom_new_config(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_config_t *c = (struct _lldpctl_atom_config_t *)atom; c->config = va_arg(ap, struct lldpd_config *); return 1; } static void _lldpctl_atom_free_config(lldpctl_atom_t *atom) { struct _lldpctl_atom_config_t *c = (struct _lldpctl_atom_config_t *)atom; lldpd_config_cleanup(c->config); free(c->config); } static const char * _lldpctl_atom_get_str_config(lldpctl_atom_t *atom, lldpctl_key_t key) { char *res = NULL; struct _lldpctl_atom_config_t *c = (struct _lldpctl_atom_config_t *)atom; switch (key) { case lldpctl_k_config_mgmt_pattern: res = c->config->c_mgmt_pattern; break; case lldpctl_k_config_iface_pattern: res = c->config->c_iface_pattern; break; case lldpctl_k_config_perm_iface_pattern: res = c->config->c_perm_ifaces; break; case lldpctl_k_config_cid_pattern: res = c->config->c_cid_pattern; break; case lldpctl_k_config_cid_string: res = c->config->c_cid_string; break; case lldpctl_k_config_description: res = c->config->c_description; break; case lldpctl_k_config_platform: res = c->config->c_platform; break; case lldpctl_k_config_hostname: res = c->config->c_hostname; break; case lldpctl_k_config_bond_slave_src_mac_type: return map_lookup(bond_slave_src_mac_map.map, c->config->c_bond_slave_src_mac_type); case lldpctl_k_config_lldp_portid_type: return map_lookup(lldp_portid_map.map, c->config->c_lldp_portid_type); case lldpctl_k_config_lldp_agent_type: return map_lookup(lldp_agent_map.map, c->config->c_lldp_agent_type); default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return res ? res : ""; } static struct _lldpctl_atom_config_t * __lldpctl_atom_set_str_config(struct _lldpctl_atom_config_t *c, char **local, char **global, const char *value) { if (value) { char *aval = NULL; size_t len = strlen(value) + 1; aval = _lldpctl_alloc_in_atom((lldpctl_atom_t *)c, len); if (!aval) return NULL; memcpy(aval, value, len); *local = aval; free(*global); *global = strdup(aval); } else { free(*global); *local = *global = NULL; } return c; } static lldpctl_atom_t * _lldpctl_atom_set_str_config(lldpctl_atom_t *atom, lldpctl_key_t key, const char *value) { struct _lldpctl_atom_config_t *c = (struct _lldpctl_atom_config_t *)atom; struct lldpd_config config; memcpy(&config, c->config, sizeof(struct lldpd_config)); char *canary = NULL; int rc; switch (key) { case lldpctl_k_config_perm_iface_pattern: if (!__lldpctl_atom_set_str_config(c, &config.c_perm_ifaces, &c->config->c_perm_ifaces, value)) return NULL; break; case lldpctl_k_config_iface_pattern: if (!__lldpctl_atom_set_str_config(c, &config.c_iface_pattern, &c->config->c_iface_pattern, value)) return NULL; break; case lldpctl_k_config_mgmt_pattern: if (!__lldpctl_atom_set_str_config(c, &config.c_mgmt_pattern, &c->config->c_mgmt_pattern, value)) return NULL; break; case lldpctl_k_config_cid_string: if (!__lldpctl_atom_set_str_config(c, &config.c_cid_string, &c->config->c_cid_string, value)) return NULL; break; case lldpctl_k_config_description: if (!__lldpctl_atom_set_str_config(c, &config.c_description, &c->config->c_description, value)) return NULL; break; case lldpctl_k_config_platform: if (!__lldpctl_atom_set_str_config(c, &config.c_platform, &c->config->c_platform, value)) return NULL; break; case lldpctl_k_config_hostname: if (!__lldpctl_atom_set_str_config(c, &config.c_hostname, &c->config->c_hostname, value)) return NULL; break; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } if (asprintf(&canary, "%d%s", key, value ? value : "(NULL)") == -1) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM); return NULL; } rc = _lldpctl_do_something(atom->conn, CONN_STATE_SET_CONFIG_SEND, CONN_STATE_SET_CONFIG_RECV, canary, SET_CONFIG, &config, &MARSHAL_INFO(lldpd_config), NULL, NULL); free(canary); if (rc == 0) return atom; #undef SET_STR return NULL; } static long int _lldpctl_atom_get_int_config(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_config_t *c = (struct _lldpctl_atom_config_t *)atom; switch (key) { case lldpctl_k_config_paused: return c->config->c_paused; case lldpctl_k_config_tx_interval: return (c->config->c_tx_interval + 999) / 1000; /* s units */ case lldpctl_k_config_tx_interval_ms: return c->config->c_tx_interval; /* ms units */ case lldpctl_k_config_receiveonly: return c->config->c_receiveonly; case lldpctl_k_config_advertise_version: return c->config->c_advertise_version; case lldpctl_k_config_ifdescr_update: return c->config->c_set_ifdescr; case lldpctl_k_config_iface_promisc: return c->config->c_promisc; case lldpctl_k_config_chassis_cap_advertise: return c->config->c_cap_advertise; case lldpctl_k_config_chassis_cap_override: return c->config->c_cap_override; case lldpctl_k_config_chassis_mgmt_advertise: return c->config->c_mgmt_advertise; #ifdef ENABLE_LLDPMED case lldpctl_k_config_lldpmed_noinventory: return c->config->c_noinventory; case lldpctl_k_config_fast_start_enabled: return c->config->c_enable_fast_start; case lldpctl_k_config_fast_start_interval: return c->config->c_tx_fast_interval; #endif case lldpctl_k_config_tx_hold: return c->config->c_tx_hold; case lldpctl_k_config_max_neighbors: return c->config->c_max_neighbors; default: return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); } } static lldpctl_atom_t * _lldpctl_atom_set_int_config(lldpctl_atom_t *atom, lldpctl_key_t key, long int value) { int rc; char *canary = NULL; struct _lldpctl_atom_config_t *c = (struct _lldpctl_atom_config_t *)atom; struct lldpd_config config; memcpy(&config, c->config, sizeof(struct lldpd_config)); switch (key) { case lldpctl_k_config_paused: config.c_paused = c->config->c_paused = value; break; case lldpctl_k_config_tx_interval: config.c_tx_interval = value * 1000; if (value > 0) c->config->c_tx_interval = value * 1000; break; case lldpctl_k_config_tx_interval_ms: config.c_tx_interval = value; if (value > 0) c->config->c_tx_interval = value; break; case lldpctl_k_config_ifdescr_update: config.c_set_ifdescr = c->config->c_set_ifdescr = value; break; case lldpctl_k_config_iface_promisc: config.c_promisc = c->config->c_promisc = value; break; case lldpctl_k_config_chassis_cap_advertise: config.c_cap_advertise = c->config->c_cap_advertise = value; break; case lldpctl_k_config_chassis_cap_override: config.c_cap_override = c->config->c_cap_override = value; break; case lldpctl_k_config_chassis_mgmt_advertise: config.c_mgmt_advertise = c->config->c_mgmt_advertise = value; break; #ifdef ENABLE_LLDPMED case lldpctl_k_config_fast_start_enabled: config.c_enable_fast_start = c->config->c_enable_fast_start = value; break; case lldpctl_k_config_fast_start_interval: config.c_tx_fast_interval = c->config->c_tx_fast_interval = value; break; #endif case lldpctl_k_config_tx_hold: config.c_tx_hold = value; if (value > 0) c->config->c_tx_hold = value; break; case lldpctl_k_config_max_neighbors: config.c_max_neighbors = value; if (value > 0) c->config->c_max_neighbors = value; break; case lldpctl_k_config_bond_slave_src_mac_type: config.c_bond_slave_src_mac_type = value; c->config->c_bond_slave_src_mac_type = value; break; case lldpctl_k_config_lldp_portid_type: config.c_lldp_portid_type = value; c->config->c_lldp_portid_type = value; break; case lldpctl_k_config_lldp_agent_type: config.c_lldp_agent_type = value; c->config->c_lldp_agent_type = value; break; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } if (asprintf(&canary, "%d%ld", key, value) == -1) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM); return NULL; } rc = _lldpctl_do_something(atom->conn, CONN_STATE_SET_CONFIG_SEND, CONN_STATE_SET_CONFIG_RECV, canary, SET_CONFIG, &config, &MARSHAL_INFO(lldpd_config), NULL, NULL); free(canary); if (rc == 0) return atom; return NULL; } static struct atom_builder config = { atom_config, sizeof(struct _lldpctl_atom_config_t), .init = _lldpctl_atom_new_config, .free = _lldpctl_atom_free_config, .get_str = _lldpctl_atom_get_str_config, .set_str = _lldpctl_atom_set_str_config, .get_int = _lldpctl_atom_get_int_config, .set_int = _lldpctl_atom_set_int_config }; ATOM_BUILDER_REGISTER(config, 1); lldpd-1.0.18/src/lib/atoms/port.c0000644000076400001440000007663414532716672016003 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2015 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "../lldpctl.h" #include "../../log.h" #include "../atom.h" #include "../helpers.h" static struct atom_map lldpd_protocol_map = { .key = lldpctl_k_port_protocol, .map = { { LLDPD_MODE_LLDP, "LLDP" }, { LLDPD_MODE_CDPV1, "CDPv1" }, { LLDPD_MODE_CDPV2, "CDPv2" }, { LLDPD_MODE_EDP, "EDP" }, { LLDPD_MODE_FDP, "FDP" }, { LLDPD_MODE_SONMP, "SONMP" }, { 0, NULL }, } }; ATOM_MAP_REGISTER(lldpd_protocol_map, 3); static lldpctl_map_t port_id_subtype_map[] = { { LLDP_PORTID_SUBTYPE_IFNAME, "ifname" }, { LLDP_PORTID_SUBTYPE_IFALIAS, "ifalias" }, { LLDP_PORTID_SUBTYPE_LOCAL, "local" }, { LLDP_PORTID_SUBTYPE_LLADDR, "mac" }, { LLDP_PORTID_SUBTYPE_ADDR, "ip" }, { LLDP_PORTID_SUBTYPE_PORT, "unhandled" }, { LLDP_PORTID_SUBTYPE_AGENTCID, "unhandled" }, { 0, NULL }, }; static struct atom_map port_status_map = { .key = lldpctl_k_port_status, .map = { { LLDPD_RXTX_TXONLY, "TX only" }, { LLDPD_RXTX_RXONLY, "RX only" }, { LLDPD_RXTX_DISABLED, "disabled" }, { LLDPD_RXTX_BOTH, "RX and TX" }, { 0, NULL }, } }; ATOM_MAP_REGISTER(port_status_map, 3); #ifdef ENABLE_DOT3 static lldpctl_map_t operational_mau_type_values[] = { { LLDP_DOT3_MAU_AUI, "AUI - No internal MAU, view from AUI" }, { LLDP_DOT3_MAU_10BASE5, "10Base5 - Thick coax MAU" }, { LLDP_DOT3_MAU_FOIRL, "Foirl - FOIRL MAU" }, { LLDP_DOT3_MAU_10BASE2, "10Base2 - Thin coax MAU" }, { LLDP_DOT3_MAU_10BASET, "10BaseT - UTP MAU" }, { LLDP_DOT3_MAU_10BASEFP, "10BaseFP - Passive fiber MAU" }, { LLDP_DOT3_MAU_10BASEFB, "10BaseFB - Sync fiber MAU" }, { LLDP_DOT3_MAU_10BASEFL, "10BaseFL - Async fiber MAU" }, { LLDP_DOT3_MAU_10BROAD36, "10Broad36 - Broadband DTE MAU" }, { LLDP_DOT3_MAU_10BASETHD, "10BaseTHD - UTP MAU, half duplex mode" }, { LLDP_DOT3_MAU_10BASETFD, "10BaseTFD - UTP MAU, full duplex mode" }, { LLDP_DOT3_MAU_10BASEFLHD, "10BaseFLHD - Async fiber MAU, half duplex mode" }, { LLDP_DOT3_MAU_10BASEFLFD, "10BaseFLDF - Async fiber MAU, full duplex mode" }, { LLDP_DOT3_MAU_100BASET4, "100BaseT4 - 4 pair category 3 UTP" }, { LLDP_DOT3_MAU_100BASETXHD, "100BaseTXHD - 2 pair category 5 UTP, half duplex mode" }, { LLDP_DOT3_MAU_100BASETXFD, "100BaseTXFD - 2 pair category 5 UTP, full duplex mode" }, { LLDP_DOT3_MAU_100BASEFXHD, "100BaseFXHD - X fiber over PMT, half duplex mode" }, { LLDP_DOT3_MAU_100BASEFXFD, "100BaseFXFD - X fiber over PMT, full duplex mode" }, { LLDP_DOT3_MAU_100BASET2HD, "100BaseT2HD - 2 pair category 3 UTP, half duplex mode" }, { LLDP_DOT3_MAU_100BASET2FD, "100BaseT2FD - 2 pair category 3 UTP, full duplex mode" }, { LLDP_DOT3_MAU_1000BASEXHD, "1000BaseXHD - PCS/PMA, unknown PMD, half duplex mode" }, { LLDP_DOT3_MAU_1000BASEXFD, "1000BaseXFD - PCS/PMA, unknown PMD, full duplex mode" }, { LLDP_DOT3_MAU_1000BASELXHD, "1000BaseLXHD - Fiber over long-wavelength laser, half duplex mode" }, { LLDP_DOT3_MAU_1000BASELXFD, "1000BaseLXFD - Fiber over long-wavelength laser, full duplex mode" }, { LLDP_DOT3_MAU_1000BASESXHD, "1000BaseSXHD - Fiber over short-wavelength laser, half duplex mode" }, { LLDP_DOT3_MAU_1000BASESXFD, "1000BaseSXFD - Fiber over short-wavelength laser, full duplex mode" }, { LLDP_DOT3_MAU_1000BASECXHD, "1000BaseCXHD - Copper over 150-Ohm balanced cable, half duplex mode" }, { LLDP_DOT3_MAU_1000BASECXFD, "1000BaseCXFD - Copper over 150-Ohm balanced cable, full duplex mode" }, { LLDP_DOT3_MAU_1000BASETHD, "1000BaseTHD - Four-pair Category 5 UTP, half duplex mode" }, { LLDP_DOT3_MAU_1000BASETFD, "1000BaseTFD - Four-pair Category 5 UTP, full duplex mode" }, { LLDP_DOT3_MAU_10GIGBASEX, "10GigBaseX - X PCS/PMA, unknown PMD." }, { LLDP_DOT3_MAU_10GIGBASELX4, "10GigBaseLX4 - X fiber over WWDM optics" }, { LLDP_DOT3_MAU_10GIGBASER, "10GigBaseR - R PCS/PMA, unknown PMD." }, { LLDP_DOT3_MAU_10GIGBASEER, "10GigBaseER - R fiber over 1550 nm optics" }, { LLDP_DOT3_MAU_10GIGBASELR, "10GigBaseLR - R fiber over 1310 nm optics" }, { LLDP_DOT3_MAU_10GIGBASESR, "10GigBaseSR - R fiber over 850 nm optics" }, { LLDP_DOT3_MAU_10GIGBASEW, "10GigBaseW - W PCS/PMA, unknown PMD." }, { LLDP_DOT3_MAU_10GIGBASEEW, "10GigBaseEW - W fiber over 1550 nm optics" }, { LLDP_DOT3_MAU_10GIGBASELW, "10GigBaseLW - W fiber over 1310 nm optics" }, { LLDP_DOT3_MAU_10GIGBASESW, "10GigBaseSW - W fiber over 850 nm optics" }, { LLDP_DOT3_MAU_10GIGBASECX4, "10GigBaseCX4 - X copper over 8 pair 100-Ohm balanced cable" }, { LLDP_DOT3_MAU_2BASETL, "2BaseTL - Voice grade UTP copper, up to 2700m, optional PAF" }, { LLDP_DOT3_MAU_10PASSTS, "10PassTS - Voice grade UTP copper, up to 750m, optional PAF" }, { LLDP_DOT3_MAU_100BASEBX10D, "100BaseBX10D - One single-mode fiber OLT, long wavelength, 10km" }, { LLDP_DOT3_MAU_100BASEBX10U, "100BaseBX10U - One single-mode fiber ONU, long wavelength, 10km" }, { LLDP_DOT3_MAU_100BASELX10, "100BaseLX10 - Two single-mode fibers, long wavelength, 10km" }, { LLDP_DOT3_MAU_1000BASEBX10D, "1000BaseBX10D - One single-mode fiber OLT, long wavelength, 10km" }, { LLDP_DOT3_MAU_1000BASEBX10U, "1000BaseBX10U - One single-mode fiber ONU, long wavelength, 10km" }, { LLDP_DOT3_MAU_1000BASELX10, "1000BaseLX10 - Two sigle-mode fiber, long wavelength, 10km" }, { LLDP_DOT3_MAU_1000BASEPX10D, "1000BasePX10D - One single-mode fiber EPON OLT, 10km" }, { LLDP_DOT3_MAU_1000BASEPX10U, "1000BasePX10U - One single-mode fiber EPON ONU, 10km" }, { LLDP_DOT3_MAU_1000BASEPX20D, "1000BasePX20D - One single-mode fiber EPON OLT, 20km" }, { LLDP_DOT3_MAU_1000BASEPX20U, "1000BasePX20U - One single-mode fiber EPON ONU, 20km" }, { LLDP_DOT3_MAU_10GBASET, "10GbaseT - Four-pair Category 6A or better, full duplex mode only" }, { LLDP_DOT3_MAU_10GBASELRM, "10GbaseLRM - R multimode fiber over 1310 nm optics" }, { LLDP_DOT3_MAU_1000BASEKX, "1000baseKX - X backplane, full duplex mode only" }, { LLDP_DOT3_MAU_10GBASEKX4, "10GbaseKX4 - 4 lane X backplane, full duplex mode only" }, { LLDP_DOT3_MAU_10GBASEKR, "10GbaseKR - R backplane, full duplex mode only" }, { LLDP_DOT3_MAU_10G1GBASEPRXD1, "10G1GbasePRXD1 - One single-mode fiber asymmetric-rate EPON OLT, low power budget (PRX10)" }, { LLDP_DOT3_MAU_10G1GBASEPRXD2, "10G1GbasePRXD2 - One single-mode fiber asymmetric-rate EPON OLT, medium power budget (PRX20)" }, { LLDP_DOT3_MAU_10G1GBASEPRXD3, "10G1GbasePRXD3 - One single-mode fiber asymmetric-rate EPON OLT, high power budget (PRX30)" }, { LLDP_DOT3_MAU_10G1GBASEPRXU1, "10G1GbasePRXU1 - One single-mode fiber asymmetric-rate EPON ONU, low power budget (PRX10)" }, { LLDP_DOT3_MAU_10G1GBASEPRXU2, "10G1GbasePRXU2 - One single-mode fiber asymmetric-rate EPON ONU, medium power budget (PRX20)" }, { LLDP_DOT3_MAU_10G1GBASEPRXU3, "10G1GbasePRXU3 - One single-mode fiber asymmetric-rate EPON ONU, high power budget (PRX30)" }, { LLDP_DOT3_MAU_10GBASEPRD1, "10GbasePRD1 - One single-mode fiber symmetric-rate EPON OLT, low power budget (PR10)" }, { LLDP_DOT3_MAU_10GBASEPRD2, "10GbasePRD2 - One single-mode fiber symmetric-rate EPON OLT, medium power budget (PR20)" }, { LLDP_DOT3_MAU_10GBASEPRD3, "10GbasePRD3 - One single-mode fiber symmetric-rate EPON OLT, high power budget (PR30)" }, { LLDP_DOT3_MAU_10GBASEPRU1, "10GbasePRU1 - One single-mode fiber symmetric-rate EPON ONU, low and medium power budget" }, { LLDP_DOT3_MAU_10GBASEPRU3, "10GbasePRU3 - One single-mode fiber symmetric-rate EPON ONU, high power budget (PR30)" }, { LLDP_DOT3_MAU_40GBASEKR4, "40GbaseKR4 - 40GBASE-R PCS/PMA over an electrical backplane" }, { LLDP_DOT3_MAU_40GBASECR4, "40GbaseCR4 - 40GBASE-R PCS/PMA over 4 lane shielded copper balanced cable" }, { LLDP_DOT3_MAU_40GBASESR4, "40GbaseSR4 - 40GBASE-R PCS/PMA over 4 lane multimode fiber" }, { LLDP_DOT3_MAU_40GBASEFR, "40GbaseFR - 40GBASE-R PCS/PMA over single mode fiber" }, { LLDP_DOT3_MAU_40GBASELR4, "40GbaseLR4 - 40GBASE-R PCS/PMA over 4 WDM lane single mode fiber" }, { LLDP_DOT3_MAU_100GBASECR10, "100GbaseCR10 - 100GBASE-R PCS/PMA over 10 lane shielded copper balanced cable" }, { LLDP_DOT3_MAU_100GBASESR10, "100GbaseSR10 - 100GBASE-R PCS/PMA over 10 lane multimode fiber" }, { LLDP_DOT3_MAU_100GBASELR4, "100GbaseLR4 - 100GBASE-R PCS/PMA over 4 WDM lane single mode fiber, long reach" }, { LLDP_DOT3_MAU_100GBASEER4, "100GbaseER4 - 100GBASE-R PCS/PMA over 4 WDM lane single mode fiber PMD, extended reach" }, { LLDP_DOT3_MAU_1000BASET1, "1000baseT1 - 1000BASE-T1 single balanced twisted-pair copper cabling PHY" }, { LLDP_DOT3_MAU_1000BASEPX30D, "1000basePX30D - One single-mode fiber EPON OLT, 20km, 1:32 split ratio" }, { LLDP_DOT3_MAU_1000BASEPX30U, "1000basePX30U - One single-mode fiber EPON ONU, 20km, 1:32 split ratio" }, { LLDP_DOT3_MAU_1000BASEPX40D, "1000basePX40D - One single-mode fiber EPON OLT, 20km, 1:64 split ratio" }, { LLDP_DOT3_MAU_1000BASEPX40U, "1000basePX40U - One single-mode fiber EPON ONU, 20km, 1:64 split ratio" }, { LLDP_DOT3_MAU_10G1GBASEPRXD4, "10G1GbasePRXD4 - One single-mode fiber asymmetric-rate EPON OLT, supporting extended power budget (PRX40)" }, { LLDP_DOT3_MAU_10G1GBASEPRXU4, "10G1GbasePRXU4 - One single-mode fiber asymmetric-rate EPON ONU, supporting extended power budget (PRX40)" }, { LLDP_DOT3_MAU_10GBASEPRD4, "10GbasePRD4 - One single-mode fiber symmetric-rate EPON OLT, supporting extended power budget (PR40)" }, { LLDP_DOT3_MAU_10GBASEPRU4, "10GbasePRU4 - One single-mode fiber symmetric-rate EPON ONU, supporting extended power budget (PR40)" }, { LLDP_DOT3_MAU_25GBASECR, "25GbaseCR - 25GBASE-R PCS/PMA over shielded balanced copper cable" }, { LLDP_DOT3_MAU_25GBASECRS, "25GbaseCRS - 25GBASE-R PCS/PMA over shielded balanced copper cable without RS-FEC" }, { LLDP_DOT3_MAU_25GBASEKR, "25GbaseKR - 25GBASE-R PCS/PMA over an electrical backplane" }, { LLDP_DOT3_MAU_25GBASEKRS, "25GbaseKRS - 25GBASE-R PCS/PMA over an electrical backplane without RS-FEC" }, { LLDP_DOT3_MAU_25GBASER, "25GbaseR - 25GBASE-R PCS/PMA over undefined PMD" }, { LLDP_DOT3_MAU_25GBASESR, "25GbaseSR - 25GBASE-R PCS/PMA over multimode fiber" }, { LLDP_DOT3_MAU_25GBASET, "25GbaseT - Four-pair twisted-pair balanced copper cabling" }, { LLDP_DOT3_MAU_40GBASEER4, "40GbaseER4 - 40GBASE-R PCS/PMA over 4 WDM lane single mode fiber" }, { LLDP_DOT3_MAU_40GBASER, "40GbaseR - 40GBASE-R PCS as over undefined PMA/PMD" }, { LLDP_DOT3_MAU_40GBASET, "40GbaseT - Four-pair twisted-pair balanced copper cabling" }, { LLDP_DOT3_MAU_100GBASECR4, "100GbaseCR4 - 100GBASE-R PCS/PMA over 4 lane shielded copper balanced cable" }, { LLDP_DOT3_MAU_100GBASEKR4, "100GbaseKR4 - 100GBASE-R PCS/PMA over an electrical backplane" }, { LLDP_DOT3_MAU_100GBASEKP4, "100GbaseKP4 - 100GBASE-P PCS/PMA over an electrical backplane PMD" }, { LLDP_DOT3_MAU_100GBASER, "100GbaseR - 100GBASE-R Multi-lane PCS over undefined PMA/PMD" }, { LLDP_DOT3_MAU_100GBASESR4, "100GbaseSR4 - 100GBASE-R PCS/PMA over 4 lane multimode fiber" }, { LLDP_DOT3_MAU_2P5GIGT, "2p5GigT - 2.5GBASE-T Four-pair twisted-pair balanced copper cabling PHY" }, { LLDP_DOT3_MAU_5GIGT, "5GigT - 5GBASE-T Four-pair twisted-pair balanced copper cabling PHY" }, { LLDP_DOT3_MAU_100BASET1, "100baseT1 - 100BASE-T1 Single balanced twisted-pair copper cabling PHY" }, { LLDP_DOT3_MAU_1000BASERHA, "1000baseRHA - 1000BASE-RHA Plastic optical fiber PHY" }, { LLDP_DOT3_MAU_1000BASERHB, "1000baseRHB - 1000BASE-RHB Plastic optical fiber PHY" }, { LLDP_DOT3_MAU_1000BASERHC, "1000baseRHC - 1000BASE-RHC Plastic optical fiber PHY" }, { LLDP_DOT3_MAU_2P5GBASEKX, "2p5GbaseKX - 2.5GBASE-X PMD over an electrical backplane" }, { LLDP_DOT3_MAU_2P5GBASEX, "2p5GbaseX - 2.5GBASE-X PCS/PMA over undefined PMD" }, { LLDP_DOT3_MAU_5GBASEKR, "5GbaseKR - 5GBASE-KR PMD over an electrical backplane" }, { LLDP_DOT3_MAU_5GBASER, "5GbaseR - 5GBASE-R PCS/PMA over undefined PMD" }, { LLDP_DOT3_MAU_10GPASSXR, "10GpassXR - Coax cable distribution network PHY continuous downstream/burst mode upstream PHY" }, { LLDP_DOT3_MAU_25GBASELR, "25GbaseLR - 25GBASE-R PCS/PMA over single-mode fiber PMD, with long reach" }, { LLDP_DOT3_MAU_25GBASEER, "25GbaseER - 25GBASE-R PCS/PMA over single-mode fiber PMD, with extended reach" }, { LLDP_DOT3_MAU_50GBASER, "50GbaseR - 50GBASE-R Multi-lane PCS over undefined PMA/PMD" }, { LLDP_DOT3_MAU_50GBASECR, "50GbaseCR - 50GBASE-R PCS/PMA over shielded copper balanced cable PMD" }, { LLDP_DOT3_MAU_50GBASEKR, "50GbaseKR - 50GBASE-R PCS/PMA over an electrical backplane PMD" }, { LLDP_DOT3_MAU_50GBASESR, "50GbaseSR - 50GBASE-R PCS/PMA over multimode fiber PMD" }, { LLDP_DOT3_MAU_50GBASEFR, "50GbaseFR - 50GBASE-R PCS/PMA over single mode fiber PMD with reach up to at least 2 km" }, { LLDP_DOT3_MAU_50GBASELR, "50GbaseLR - 50GBASE-R PCS/PMA over single mode fiber PMD with reach up to at least 10 km" }, { LLDP_DOT3_MAU_50GBASEER, "50GbaseER - 50GBASE-R PCS/PMA over single-mode fiber PMD with reach up to at least 40 km" }, { LLDP_DOT3_MAU_100GBASECR2, "100GbaseCR2 - 100GBASE-R PCS/PMA over 2 lane shielded copper balanced cable PMD" }, { LLDP_DOT3_MAU_100GBASEKR2, "100GbaseKR2 - 100GBASE-R PCS/PMA over an electrical backplane PMD" }, { LLDP_DOT3_MAU_100GBASESR2, "100GbaseSR2 - 100GBASE-R PCS/PMA over 2 lane multimode fiber PMD" }, { LLDP_DOT3_MAU_100GBASEDR, "100GbaseDR - 100GBASE-R PCS/PMA over single mode fiber PMD" }, { LLDP_DOT3_MAU_200GBASER, "200GbaseR - 200GBASE-R Multi-lane PCS over undefined PMA/PMD" }, { LLDP_DOT3_MAU_200GBASEDR4, "200GbaseDR4 - 200GBASE-R PCS/PMA over 4-lane single-mode fiber PMD" }, { LLDP_DOT3_MAU_200GBASEFR4, "200GbaseFR4 - 200GBASE-R PCS/PMA over 4 WDM lane single-mode fiber PMD with reach up to at least 2 km" }, { LLDP_DOT3_MAU_200GBASELR4, "200GbaseLR4 - 200GBASE-R PCS/PMA over 4 WDM lane single-mode fiber PMD with reach up to at least 10 km" }, { LLDP_DOT3_MAU_200GBASECR4, "200GbaseCR4 - 200GBASE-R PCS/PMA over 4 lane shielded copper balanced cable PMD" }, { LLDP_DOT3_MAU_200GBASEKR4, "200GbaseKR4 - 200GBASE-R PCS/PMA over an electrical backplane PMD" }, { LLDP_DOT3_MAU_200GBASESR4, "200GbaseSR4 - 200GBASE-R PCS/PMA over 4 lane multimode fiber PMD" }, { LLDP_DOT3_MAU_200GBASEER4, "200GbaseER4 - 200GBASE-R PCS/PMA over 4 WDM lane single-mode fiber PMD with reach up to at least 40 km" }, { LLDP_DOT3_MAU_400GBASER, "400GbaseR - 400GBASE-R Multi-lane PCS over undefined PMA/PMD" }, { LLDP_DOT3_MAU_400GBASESR16, "400GbaseSR16 - 400GBASE-R PCS/PMA over 16-lane multimode fiber PMD" }, { LLDP_DOT3_MAU_400GBASEDR4, "400GbaseDR4 - 400GBASE-R PCS/PMA over 4-lane single-mode fiber PMD" }, { LLDP_DOT3_MAU_400GBASEFR8, "400GbaseFR8 - 400GBASE-R PCS/PMA over 8 WDM lane single-mode fiber PMD with reach up to at least 2 km" }, { LLDP_DOT3_MAU_400GBASELR8, "400GbaseLR8 - 400GBASE-R PCS/PMA over 8 WDM lane single-mode fiber PMD with reach up to at least 10 km" }, { LLDP_DOT3_MAU_400GBASEER8, "400GbaseER8 - 400GBASE-R PCS/PMA over 8 WDM lane single-mode fiber PMD with reach up to at least 40 km" }, { LLDP_DOT3_MAU_10BASET1L, "10baseT1L - 10BASE-T1L Single balanced pair PHY" }, { LLDP_DOT3_MAU_10BASET1SHD, "10baseT1SHD - 10BASE-T1S Single balanced pair PHY, half duplex mode" }, { LLDP_DOT3_MAU_10BASET1SMD, "10baseT1SMD - 10BASE-T1S Single balanced pair PHY, multidrop mode" }, { LLDP_DOT3_MAU_10BASET1SFD, "10baseT1SFD - 10BASE-T1S Single balanced pair PHY, full duplex mode" }, { 0, NULL } }; #endif static lldpctl_atom_iter_t * _lldpctl_atom_iter_ports_list(lldpctl_atom_t *atom) { struct _lldpctl_atom_any_list_t *plist = (struct _lldpctl_atom_any_list_t *)atom; return (lldpctl_atom_iter_t *)TAILQ_FIRST(&plist->parent->hardware->h_rports); } static lldpctl_atom_iter_t * _lldpctl_atom_next_ports_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct lldpd_port *port = (struct lldpd_port *)iter; return (lldpctl_atom_iter_t *)TAILQ_NEXT(port, p_entries); } static lldpctl_atom_t * _lldpctl_atom_value_ports_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct lldpd_port *port = (struct lldpd_port *)iter; return _lldpctl_new_atom(atom->conn, atom_port, 0, NULL, port, ((struct _lldpctl_atom_any_list_t *)atom)->parent); } static int _lldpctl_atom_new_port(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_port_t *port = (struct _lldpctl_atom_port_t *)atom; port->local = va_arg(ap, int); port->hardware = va_arg(ap, struct lldpd_hardware *); port->port = va_arg(ap, struct lldpd_port *); port->parent = va_arg(ap, struct _lldpctl_atom_port_t *); if (port->parent) lldpctl_atom_inc_ref((lldpctl_atom_t *)port->parent); if (port->port) { /* Internal atom. We are the parent, but our reference count is * not incremented. */ port->chassis = _lldpctl_new_atom(atom->conn, atom_chassis, port->port->p_chassis, port, 1); } return 1; } TAILQ_HEAD(chassis_list, lldpd_chassis); static void add_chassis(struct chassis_list *chassis_list, struct lldpd_chassis *chassis) { struct lldpd_chassis *one_chassis; TAILQ_FOREACH (one_chassis, chassis_list, c_entries) { if (one_chassis == chassis) return; } TAILQ_INSERT_TAIL(chassis_list, chassis, c_entries); } static void _lldpctl_atom_free_port(lldpctl_atom_t *atom) { struct _lldpctl_atom_port_t *port = (struct _lldpctl_atom_port_t *)atom; struct lldpd_hardware *hardware = port->hardware; struct lldpd_chassis *one_chassis, *one_chassis_next; struct lldpd_port *one_port; /* Free internal chassis atom. Should be freed immediately since we * should have the only reference. */ lldpctl_atom_dec_ref((lldpctl_atom_t *)port->chassis); /* We need to free the whole struct lldpd_hardware: local port, local * chassis and remote ports... The same chassis may be present several * times. We build a list of chassis (we don't use reference count). */ struct chassis_list chassis_list; TAILQ_INIT(&chassis_list); if (port->parent) lldpctl_atom_dec_ref((lldpctl_atom_t *)port->parent); else if (!hardware && port->port) { /* No parent, no hardware, we assume a single neighbor: one * port, one chassis. */ if (port->port->p_chassis) { lldpd_chassis_cleanup(port->port->p_chassis, 1); port->port->p_chassis = NULL; } lldpd_port_cleanup(port->port, 1); free(port->port); } if (!hardware) return; add_chassis(&chassis_list, port->port->p_chassis); TAILQ_FOREACH (one_port, &hardware->h_rports, p_entries) add_chassis(&chassis_list, one_port->p_chassis); /* Free hardware port */ lldpd_remote_cleanup(hardware, NULL, 1); lldpd_port_cleanup(port->port, 1); free(port->hardware); /* Free list of chassis */ for (one_chassis = TAILQ_FIRST(&chassis_list); one_chassis != NULL; one_chassis = one_chassis_next) { one_chassis_next = TAILQ_NEXT(one_chassis, c_entries); lldpd_chassis_cleanup(one_chassis, 1); } } static lldpctl_atom_t * _lldpctl_atom_get_atom_port(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_port_t *p = (struct _lldpctl_atom_port_t *)atom; struct lldpd_port *port = p->port; struct lldpd_hardware *hardware = p->hardware; /* Local port only */ if (hardware != NULL) { switch (key) { case lldpctl_k_port_neighbors: return _lldpctl_new_atom(atom->conn, atom_ports_list, p); default: break; } } /* Local and remote port */ switch (key) { case lldpctl_k_port_chassis: if (port->p_chassis) { return _lldpctl_new_atom(atom->conn, atom_chassis, port->p_chassis, p, 0); } SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; #ifdef ENABLE_DOT3 case lldpctl_k_port_dot3_power: return _lldpctl_new_atom(atom->conn, atom_dot3_power, p); #endif #ifdef ENABLE_DOT1 case lldpctl_k_port_vlans: return _lldpctl_new_atom(atom->conn, atom_vlans_list, p); case lldpctl_k_port_ppvids: return _lldpctl_new_atom(atom->conn, atom_ppvids_list, p); case lldpctl_k_port_pis: return _lldpctl_new_atom(atom->conn, atom_pis_list, p); #endif #ifdef ENABLE_LLDPMED case lldpctl_k_port_med_policies: return _lldpctl_new_atom(atom->conn, atom_med_policies_list, p); case lldpctl_k_port_med_locations: return _lldpctl_new_atom(atom->conn, atom_med_locations_list, p); case lldpctl_k_port_med_power: return _lldpctl_new_atom(atom->conn, atom_med_power, p); #endif #ifdef ENABLE_CUSTOM case lldpctl_k_custom_tlvs: return _lldpctl_new_atom(atom->conn, atom_custom_list, p); #endif default: /* Compatibility: query the associated chassis too */ if (port->p_chassis) return lldpctl_atom_get(p->chassis, key); SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static lldpctl_atom_t * _lldpctl_atom_set_atom_port(lldpctl_atom_t *atom, lldpctl_key_t key, lldpctl_atom_t *value) { struct _lldpctl_atom_port_t *p = (struct _lldpctl_atom_port_t *)atom; struct lldpd_hardware *hardware = p->hardware; struct lldpd_port_set set = {}; int rc; char *canary = NULL; #ifdef ENABLE_DOT3 struct _lldpctl_atom_dot3_power_t *dpow; #endif #ifdef ENABLE_LLDPMED struct _lldpctl_atom_med_power_t *mpow; struct _lldpctl_atom_med_policy_t *mpol; struct _lldpctl_atom_med_location_t *mloc; #endif #ifdef ENABLE_CUSTOM struct _lldpctl_atom_custom_t *custom; #endif /* Local and default port only */ if (!p->local) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } set.vlan_tx_enabled = -1; switch (key) { case lldpctl_k_port_id: set.local_id = p->port->p_id; break; case lldpctl_k_port_descr: set.local_descr = p->port->p_descr; break; case lldpctl_k_port_status: set.rxtx = LLDPD_RXTX_FROM_PORT(p->port); break; case lldpctl_k_port_vlan_tx: set.vlan_tx_tag = p->port->p_vlan_tx_tag; set.vlan_tx_enabled = p->port->p_vlan_tx_enabled; break; #ifdef ENABLE_DOT3 case lldpctl_k_port_dot3_power: if (value->type != atom_dot3_power) { SET_ERROR(atom->conn, LLDPCTL_ERR_INCORRECT_ATOM_TYPE); return NULL; } dpow = (struct _lldpctl_atom_dot3_power_t *)value; set.dot3_power = &dpow->parent->port->p_power; break; #endif #ifdef ENABLE_LLDPMED case lldpctl_k_port_med_power: if (value->type != atom_med_power) { SET_ERROR(atom->conn, LLDPCTL_ERR_INCORRECT_ATOM_TYPE); return NULL; } mpow = (struct _lldpctl_atom_med_power_t *)value; set.med_power = &mpow->parent->port->p_med_power; break; case lldpctl_k_port_med_policies: if (value->type != atom_med_policy) { SET_ERROR(atom->conn, LLDPCTL_ERR_INCORRECT_ATOM_TYPE); return NULL; } mpol = (struct _lldpctl_atom_med_policy_t *)value; set.med_policy = mpol->policy; break; case lldpctl_k_port_med_locations: if (value->type != atom_med_location) { SET_ERROR(atom->conn, LLDPCTL_ERR_INCORRECT_ATOM_TYPE); return NULL; } mloc = (struct _lldpctl_atom_med_location_t *)value; set.med_location = mloc->location; break; #endif #ifdef ENABLE_CUSTOM case lldpctl_k_custom_tlvs_clear: set.custom_list_clear = 1; break; case lldpctl_k_custom_tlv: if (value->type != atom_custom) { SET_ERROR(atom->conn, LLDPCTL_ERR_INCORRECT_ATOM_TYPE); return NULL; } custom = (struct _lldpctl_atom_custom_t *)value; set.custom = custom->tlv; set.custom_tlv_op = custom->op; break; #endif default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } char empty_str[] = ""; set.ifname = hardware ? hardware->h_ifname : empty_str; if (asprintf(&canary, "%d%p%s", key, value, set.ifname) == -1) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM); return NULL; } rc = _lldpctl_do_something(atom->conn, CONN_STATE_SET_PORT_SEND, CONN_STATE_SET_PORT_RECV, canary, SET_PORT, &set, &MARSHAL_INFO(lldpd_port_set), NULL, NULL); free(canary); if (rc == 0) return atom; return NULL; } static const char * _lldpctl_atom_get_str_port(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_port_t *p = (struct _lldpctl_atom_port_t *)atom; struct lldpd_port *port = p->port; struct lldpd_hardware *hardware = p->hardware; char *ipaddress = NULL; size_t len; /* Local port only */ switch (key) { case lldpctl_k_port_name: if (hardware != NULL) return hardware->h_ifname; break; case lldpctl_k_port_status: if (p->local) return map_lookup(port_status_map.map, LLDPD_RXTX_FROM_PORT(port)); break; default: break; } if (!port) return NULL; /* Local and remote port */ switch (key) { case lldpctl_k_port_protocol: return map_lookup(lldpd_protocol_map.map, port->p_protocol); case lldpctl_k_port_id_subtype: return map_lookup(port_id_subtype_map, port->p_id_subtype); case lldpctl_k_port_id: switch (port->p_id_subtype) { case LLDP_PORTID_SUBTYPE_IFNAME: case LLDP_PORTID_SUBTYPE_IFALIAS: case LLDP_PORTID_SUBTYPE_LOCAL: return port->p_id; case LLDP_PORTID_SUBTYPE_LLADDR: return _lldpctl_dump_in_atom(atom, (uint8_t *)port->p_id, port->p_id_len, ':', 0); case LLDP_PORTID_SUBTYPE_ADDR: switch (port->p_id[0]) { case LLDP_MGMT_ADDR_IP4: len = INET_ADDRSTRLEN + 1; break; case LLDP_MGMT_ADDR_IP6: len = INET6_ADDRSTRLEN + 1; break; default: len = 0; } if (len > 0) { ipaddress = _lldpctl_alloc_in_atom(atom, len); if (!ipaddress) return NULL; if (inet_ntop((port->p_id[0] == LLDP_MGMT_ADDR_IP4) ? AF_INET : AF_INET6, &port->p_id[1], ipaddress, len) == NULL) break; return ipaddress; } break; } SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; case lldpctl_k_port_descr: return port->p_descr; #ifdef ENABLE_DOT3 case lldpctl_k_port_dot3_mautype: return map_lookup(operational_mau_type_values, port->p_macphy.mau_type); #endif default: /* Compatibility: query the associated chassis too */ return lldpctl_atom_get_str(p->chassis, key); } } static lldpctl_atom_t * _lldpctl_atom_set_int_port(lldpctl_atom_t *atom, lldpctl_key_t key, long int value) { struct _lldpctl_atom_port_t *p = (struct _lldpctl_atom_port_t *)atom; struct lldpd_port *port = p->port; if (p->local) { switch (key) { case lldpctl_k_port_status: port->p_disable_rx = !LLDPD_RXTX_RXENABLED(value); port->p_disable_tx = !LLDPD_RXTX_TXENABLED(value); break; case lldpctl_k_port_vlan_tx: if (value > -1) { port->p_vlan_tx_tag = value; port->p_vlan_tx_enabled = 1; } else port->p_vlan_tx_enabled = 0; break; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } else { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return _lldpctl_atom_set_atom_port(atom, key, NULL); } static lldpctl_atom_t * _lldpctl_atom_set_str_port(lldpctl_atom_t *atom, lldpctl_key_t key, const char *value) { struct _lldpctl_atom_port_t *p = (struct _lldpctl_atom_port_t *)atom; struct lldpd_port *port = p->port; if (!value || !strlen(value)) return NULL; if (p->local) { switch (key) { case lldpctl_k_port_status: return _lldpctl_atom_set_int_port(atom, key, map_reverse_lookup(port_status_map.map, value)); default: break; } } switch (key) { case lldpctl_k_port_id: free(port->p_id); port->p_id = strdup(value); port->p_id_len = strlen(value); break; case lldpctl_k_port_descr: free(port->p_descr); port->p_descr = strdup(value); break; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return _lldpctl_atom_set_atom_port(atom, key, NULL); } static long int _lldpctl_atom_get_int_port(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_port_t *p = (struct _lldpctl_atom_port_t *)atom; struct lldpd_port *port = p->port; struct lldpd_hardware *hardware = p->hardware; /* Local port only */ if (hardware != NULL) { switch (key) { case lldpctl_k_port_index: return hardware->h_ifindex; case lldpctl_k_tx_cnt: return hardware->h_tx_cnt; case lldpctl_k_rx_cnt: return hardware->h_rx_cnt; case lldpctl_k_rx_discarded_cnt: return hardware->h_rx_discarded_cnt; case lldpctl_k_rx_unrecognized_cnt: return hardware->h_rx_unrecognized_cnt; case lldpctl_k_ageout_cnt: return hardware->h_ageout_cnt; case lldpctl_k_insert_cnt: return hardware->h_insert_cnt; case lldpctl_k_delete_cnt: return hardware->h_delete_cnt; default: break; } } if (p->local) { switch (key) { case lldpctl_k_port_status: return LLDPD_RXTX_FROM_PORT(port); default: break; } } if (!port) return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); /* Local and remote port */ switch (key) { case lldpctl_k_port_protocol: return port->p_protocol; case lldpctl_k_port_age: return port->p_lastchange; case lldpctl_k_port_ttl: return port->p_ttl; case lldpctl_k_port_id_subtype: return port->p_id_subtype; case lldpctl_k_port_hidden: return port->p_hidden_in; case lldpctl_k_port_vlan_tx: return port->p_vlan_tx_enabled ? port->p_vlan_tx_tag : -1; #ifdef ENABLE_DOT3 case lldpctl_k_port_dot3_mfs: if (port->p_mfs > 0) return port->p_mfs; break; case lldpctl_k_port_dot3_aggregid: if (port->p_aggregid > 0) return port->p_aggregid; break; case lldpctl_k_port_dot3_autoneg_support: return port->p_macphy.autoneg_support; case lldpctl_k_port_dot3_autoneg_enabled: return port->p_macphy.autoneg_enabled; case lldpctl_k_port_dot3_autoneg_advertised: return port->p_macphy.autoneg_advertised; case lldpctl_k_port_dot3_mautype: return port->p_macphy.mau_type; #endif #ifdef ENABLE_DOT1 case lldpctl_k_port_vlan_pvid: return port->p_pvid; #endif default: /* Compatibility: query the associated chassis too */ return lldpctl_atom_get_int(p->chassis, key); } return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); } static const uint8_t * _lldpctl_atom_get_buf_port(lldpctl_atom_t *atom, lldpctl_key_t key, size_t *n) { struct _lldpctl_atom_port_t *p = (struct _lldpctl_atom_port_t *)atom; struct lldpd_port *port = p->port; switch (key) { case lldpctl_k_port_id: *n = port->p_id_len; return (uint8_t *)port->p_id; default: /* Compatibility: query the associated chassis too */ return lldpctl_atom_get_buffer(p->chassis, key, n); } } static struct atom_builder ports_list = { atom_ports_list, sizeof(struct _lldpctl_atom_any_list_t), .init = _lldpctl_atom_new_any_list, .free = _lldpctl_atom_free_any_list, .iter = _lldpctl_atom_iter_ports_list, .next = _lldpctl_atom_next_ports_list, .value = _lldpctl_atom_value_ports_list }; static struct atom_builder port = { atom_port, sizeof(struct _lldpctl_atom_port_t), .init = _lldpctl_atom_new_port, .free = _lldpctl_atom_free_port, .get = _lldpctl_atom_get_atom_port, .set = _lldpctl_atom_set_atom_port, .get_str = _lldpctl_atom_get_str_port, .set_str = _lldpctl_atom_set_str_port, .get_int = _lldpctl_atom_get_int_port, .set_int = _lldpctl_atom_set_int_port, .get_buffer = _lldpctl_atom_get_buf_port }; ATOM_BUILDER_REGISTER(ports_list, 4); ATOM_BUILDER_REGISTER(port, 5); lldpd-1.0.18/src/lib/atoms/med.c0000644000076400001440000010370014532716672015545 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2015 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "../lldpctl.h" #include "../../log.h" #include "../atom.h" #include "../helpers.h" #include "../fixedpoint.h" #ifdef ENABLE_LLDPMED static lldpctl_map_t port_med_location_map[] = { { LLDP_MED_LOCFORMAT_COORD, "Coordinates" }, { LLDP_MED_LOCFORMAT_CIVIC, "Civic address" }, { LLDP_MED_LOCFORMAT_ELIN, "ELIN" }, { 0, NULL }, }; static lldpctl_map_t port_med_pow_devicetype_map[] = { { LLDP_MED_POW_TYPE_PSE, "PSE" }, { LLDP_MED_POW_TYPE_PD, "PD" }, { 0, NULL }, }; static lldpctl_map_t port_med_pow_source_map[] = { { LLDP_MED_POW_SOURCE_PRIMARY, "Primary Power Source" }, { LLDP_MED_POW_SOURCE_BACKUP, "Backup Power Source / Power Conservation Mode" }, { LLDP_MED_POW_SOURCE_PSE, "PSE" }, { LLDP_MED_POW_SOURCE_LOCAL, "Local" }, { LLDP_MED_POW_SOURCE_BOTH, "PSE + Local" }, { 0, NULL }, }; static lldpctl_map_t port_med_pow_source_map2[] = { { 0, "unknown" }, { LLDP_MED_POW_SOURCE_PRIMARY, "primary" }, { LLDP_MED_POW_SOURCE_BACKUP, "backup" }, { LLDP_MED_POW_SOURCE_PSE, "pse" }, { LLDP_MED_POW_SOURCE_LOCAL, "local" }, { LLDP_MED_POW_SOURCE_BOTH, "both" }, { 0, NULL }, }; static struct atom_map port_med_geoid_map = { .key = lldpctl_k_med_location_geoid, .map = { { LLDP_MED_LOCATION_GEOID_WGS84, "WGS84" }, { LLDP_MED_LOCATION_GEOID_NAD83, "NAD83" }, { LLDP_MED_LOCATION_GEOID_NAD83_MLLW, "NAD83/MLLW" }, { 0, NULL }, }, }; static struct atom_map civic_address_type_map = { .key = lldpctl_k_med_civicaddress_type, .map = { { 0, "Language" }, { 1, "Country subdivision" }, { 2, "County" }, { 3, "City" }, { 4, "City division" }, { 5, "Block" }, { 6, "Street" }, { 16, "Direction" }, { 17, "Trailing street suffix" }, { 18, "Street suffix" }, { 19, "Number" }, { 20, "Number suffix" }, { 21, "Landmark" }, { 22, "Additional" }, { 23, "Name" }, { 24, "ZIP" }, { 25, "Building" }, { 26, "Unit" }, { 27, "Floor" }, { 28, "Room" }, { 29, "Place type" }, { 128, "Script" }, { 0, NULL }, }, }; static struct atom_map port_med_policy_map = { .key = lldpctl_k_med_policy_type, .map = { { LLDP_MED_APPTYPE_VOICE, "Voice" }, { LLDP_MED_APPTYPE_VOICESIGNAL, "Voice Signaling" }, { LLDP_MED_APPTYPE_GUESTVOICE, "Guest Voice" }, { LLDP_MED_APPTYPE_GUESTVOICESIGNAL, "Guest Voice Signaling" }, { LLDP_MED_APPTYPE_SOFTPHONEVOICE, "Softphone Voice" }, { LLDP_MED_APPTYPE_VIDEOCONFERENCE, "Video Conferencing" }, { LLDP_MED_APPTYPE_VIDEOSTREAM, "Streaming Video" }, { LLDP_MED_APPTYPE_VIDEOSIGNAL, "Video Signaling" }, { 0, NULL }, } }; static struct atom_map port_med_policy_prio_map = { .key = lldpctl_k_med_policy_priority, .map = { { 1, "Background" }, { 0, "Best effort" }, { 2, "Excellent effort" }, { 3, "Critical applications" }, { 4, "Video" }, { 5, "Voice" }, { 6, "Internetwork control" }, { 7, "Network control" }, { 0, NULL }, }, }; static struct atom_map port_med_pow_priority_map = { .key = lldpctl_k_med_power_priority, .map = { { 0, "unknown" }, { LLDP_MED_POW_PRIO_CRITICAL, "critical" }, { LLDP_MED_POW_PRIO_HIGH, "high" }, { LLDP_MED_POW_PRIO_LOW, "low" }, { 0, NULL }, }, }; ATOM_MAP_REGISTER(port_med_geoid_map, 7); ATOM_MAP_REGISTER(civic_address_type_map, 8); ATOM_MAP_REGISTER(port_med_policy_map, 9); ATOM_MAP_REGISTER(port_med_policy_prio_map, 10); ATOM_MAP_REGISTER(port_med_pow_priority_map, 11); static lldpctl_atom_iter_t * _lldpctl_atom_iter_med_policies_list(lldpctl_atom_t *atom) { int i; struct _lldpctl_atom_any_list_t *vlist = (struct _lldpctl_atom_any_list_t *)atom; for (i = 0; i < LLDP_MED_APPTYPE_LAST; i++) vlist->parent->port->p_med_policy[i].index = i; return (lldpctl_atom_iter_t *)&vlist->parent->port->p_med_policy[0]; } static lldpctl_atom_iter_t * _lldpctl_atom_next_med_policies_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct lldpd_med_policy *policy = (struct lldpd_med_policy *)iter; if (policy->index == LLDP_MED_APPTYPE_LAST - 1) return NULL; return (lldpctl_atom_iter_t *)(++policy); } static lldpctl_atom_t * _lldpctl_atom_value_med_policies_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct _lldpctl_atom_any_list_t *vlist = (struct _lldpctl_atom_any_list_t *)atom; struct lldpd_med_policy *policy = (struct lldpd_med_policy *)iter; return _lldpctl_new_atom(atom->conn, atom_med_policy, vlist->parent, policy); } static int _lldpctl_atom_new_med_policy(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_med_policy_t *policy = (struct _lldpctl_atom_med_policy_t *)atom; policy->parent = va_arg(ap, struct _lldpctl_atom_port_t *); policy->policy = va_arg(ap, struct lldpd_med_policy *); lldpctl_atom_inc_ref((lldpctl_atom_t *)policy->parent); return 1; } static void _lldpctl_atom_free_med_policy(lldpctl_atom_t *atom) { struct _lldpctl_atom_med_policy_t *policy = (struct _lldpctl_atom_med_policy_t *)atom; lldpctl_atom_dec_ref((lldpctl_atom_t *)policy->parent); } static long int _lldpctl_atom_get_int_med_policy(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_med_policy_t *m = (struct _lldpctl_atom_med_policy_t *)atom; /* Local and remote port */ switch (key) { case lldpctl_k_med_policy_type: return m->policy->type; case lldpctl_k_med_policy_unknown: return m->policy->unknown; case lldpctl_k_med_policy_tagged: return m->policy->tagged; case lldpctl_k_med_policy_vid: return m->policy->vid; case lldpctl_k_med_policy_dscp: return m->policy->dscp; case lldpctl_k_med_policy_priority: return m->policy->priority; default: return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); } } static lldpctl_atom_t * _lldpctl_atom_set_int_med_policy(lldpctl_atom_t *atom, lldpctl_key_t key, long int value) { struct _lldpctl_atom_med_policy_t *m = (struct _lldpctl_atom_med_policy_t *)atom; /* Only local port can be modified */ if (!m->parent->local) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } switch (key) { case lldpctl_k_med_policy_type: /* We let set any policy type, including one whose are not * compatible with the index. If a policy type is set, the index * will be ignored. If a policy type is 0, the index will be * used to know which policy to "erase". */ if (value < 0 || value > LLDP_MED_APPTYPE_LAST) goto bad; m->policy->type = value; return atom; case lldpctl_k_med_policy_unknown: if (value != 0 && value != 1) goto bad; m->policy->unknown = value; return atom; case lldpctl_k_med_policy_tagged: if (value != 0 && value != 1) goto bad; m->policy->tagged = value; return atom; case lldpctl_k_med_policy_vid: if (value < 0 || value > 4094) goto bad; m->policy->vid = value; return atom; case lldpctl_k_med_policy_dscp: if (value < 0 || value > 63) goto bad; m->policy->dscp = value; return atom; case lldpctl_k_med_policy_priority: if (value < 0 || value > 7) goto bad; m->policy->priority = value; return atom; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return atom; bad: SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE); return NULL; } static const char * _lldpctl_atom_get_str_med_policy(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_med_policy_t *m = (struct _lldpctl_atom_med_policy_t *)atom; /* Local and remote port */ switch (key) { case lldpctl_k_med_policy_type: return map_lookup(port_med_policy_map.map, m->policy->type); case lldpctl_k_med_policy_priority: return map_lookup(port_med_policy_prio_map.map, m->policy->priority); default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static lldpctl_atom_t * _lldpctl_atom_set_str_med_policy(lldpctl_atom_t *atom, lldpctl_key_t key, const char *value) { /* Local and remote port */ switch (key) { case lldpctl_k_med_policy_type: return _lldpctl_atom_set_int_med_policy(atom, key, map_reverse_lookup(port_med_policy_map.map, value)); case lldpctl_k_med_policy_priority: return _lldpctl_atom_set_int_med_policy(atom, key, map_reverse_lookup(port_med_policy_prio_map.map, value)); default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static lldpctl_atom_iter_t * _lldpctl_atom_iter_med_locations_list(lldpctl_atom_t *atom) { int i; struct _lldpctl_atom_any_list_t *vlist = (struct _lldpctl_atom_any_list_t *)atom; for (i = 0; i < LLDP_MED_LOCFORMAT_LAST; i++) vlist->parent->port->p_med_location[i].index = i; return (lldpctl_atom_iter_t *)&vlist->parent->port->p_med_location[0]; } static lldpctl_atom_iter_t * _lldpctl_atom_next_med_locations_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct lldpd_med_loc *location = (struct lldpd_med_loc *)iter; if (location->index == LLDP_MED_LOCFORMAT_LAST - 1) return NULL; return (lldpctl_atom_iter_t *)(++location); } static lldpctl_atom_t * _lldpctl_atom_value_med_locations_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct _lldpctl_atom_any_list_t *vlist = (struct _lldpctl_atom_any_list_t *)atom; struct lldpd_med_loc *location = (struct lldpd_med_loc *)iter; return _lldpctl_new_atom(atom->conn, atom_med_location, vlist->parent, location); } static int _lldpctl_atom_new_med_location(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_med_location_t *location = (struct _lldpctl_atom_med_location_t *)atom; location->parent = va_arg(ap, struct _lldpctl_atom_port_t *); location->location = va_arg(ap, struct lldpd_med_loc *); lldpctl_atom_inc_ref((lldpctl_atom_t *)location->parent); return 1; } static void _lldpctl_atom_free_med_location(lldpctl_atom_t *atom) { struct _lldpctl_atom_med_location_t *location = (struct _lldpctl_atom_med_location_t *)atom; lldpctl_atom_dec_ref((lldpctl_atom_t *)location->parent); } static long int _lldpctl_atom_get_int_med_location(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_med_location_t *m = (struct _lldpctl_atom_med_location_t *)atom; /* Local and remote port */ switch (key) { case lldpctl_k_med_location_format: switch (m->location->format) { case LLDP_MED_LOCFORMAT_COORD: if (m->location->data_len != 16) break; return LLDP_MED_LOCFORMAT_COORD; case LLDP_MED_LOCFORMAT_CIVIC: if ((m->location->data_len < 3) || (m->location->data_len - 1 < m->location->data[0])) break; return LLDP_MED_LOCFORMAT_CIVIC; case LLDP_MED_LOCFORMAT_ELIN: return LLDP_MED_LOCFORMAT_ELIN; default: return 0; } return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); case lldpctl_k_med_location_geoid: if (m->location->format != LLDP_MED_LOCFORMAT_COORD) return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return m->location->data[15]; case lldpctl_k_med_location_altitude_unit: if (m->location->format != LLDP_MED_LOCFORMAT_COORD) return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return (m->location->data[10] & 0xf0) >> 4; default: return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); } } static lldpctl_atom_t * _lldpctl_atom_set_int_med_location(lldpctl_atom_t *atom, lldpctl_key_t key, long int value) { struct _lldpctl_atom_med_location_t *mloc = (struct _lldpctl_atom_med_location_t *)atom; /* Only local port can be modified */ if (!mloc->parent->local) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } switch (key) { case lldpctl_k_med_location_format: switch (value) { case 0: /* Disabling */ case LLDP_MED_LOCFORMAT_COORD: mloc->location->format = value; free(mloc->location->data); mloc->location->data = calloc(1, 16); if (mloc->location->data == NULL) { mloc->location->data_len = 0; SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM); return NULL; } mloc->location->data_len = 16; return atom; case LLDP_MED_LOCFORMAT_CIVIC: mloc->location->format = value; free(mloc->location->data); mloc->location->data = calloc(1, 4); if (mloc->location->data == NULL) { mloc->location->data_len = 0; SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM); return NULL; } mloc->location->data_len = 4; mloc->location->data[0] = 3; mloc->location->data[1] = 2; /* Client */ mloc->location->data[2] = 'U'; mloc->location->data[3] = 'S'; return atom; case LLDP_MED_LOCFORMAT_ELIN: mloc->location->format = value; free(mloc->location->data); mloc->location->data = NULL; mloc->location->data_len = 0; return atom; default: goto bad; } case lldpctl_k_med_location_geoid: if (mloc->location->format != LLDP_MED_LOCFORMAT_COORD) goto bad; if (mloc->location->data == NULL || mloc->location->data_len != 16) goto bad; switch (value) { case 0: case LLDP_MED_LOCATION_GEOID_WGS84: case LLDP_MED_LOCATION_GEOID_NAD83: case LLDP_MED_LOCATION_GEOID_NAD83_MLLW: mloc->location->data[15] = value; return atom; default: goto bad; } case lldpctl_k_med_location_altitude_unit: if (mloc->location->format != LLDP_MED_LOCFORMAT_COORD) goto bad; if (mloc->location->data == NULL || mloc->location->data_len != 16) goto bad; switch (value) { case 0: case LLDP_MED_LOCATION_ALTITUDE_UNIT_METER: case LLDP_MED_LOCATION_ALTITUDE_UNIT_FLOOR: mloc->location->data[10] &= 0x0f; mloc->location->data[10] |= value << 4; return atom; default: goto bad; } default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return atom; bad: SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE); return NULL; } static const char * read_fixed_precision(lldpctl_atom_t *atom, char *buffer, unsigned shift, unsigned intbits, unsigned fltbits, const char *suffix) { struct fp_number fp = fp_buftofp((unsigned char *)buffer, intbits, fltbits, shift); char *result = fp_fptostr(fp, suffix); if (result == NULL) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM); return NULL; } size_t len = strlen(result) + 1; char *stored = _lldpctl_alloc_in_atom(atom, len); if (stored == NULL) { free(result); return NULL; } strlcpy(stored, result, len); free(result); return stored; } static const char * _lldpctl_atom_get_str_med_location(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_med_location_t *m = (struct _lldpctl_atom_med_location_t *)atom; char *value; /* Local and remote port */ switch (key) { case lldpctl_k_med_location_format: return map_lookup(port_med_location_map, m->location->format); case lldpctl_k_med_location_geoid: if (m->location->format != LLDP_MED_LOCFORMAT_COORD) break; return map_lookup(port_med_geoid_map.map, m->location->data[15]); case lldpctl_k_med_location_latitude: if (m->location->format != LLDP_MED_LOCFORMAT_COORD) break; return read_fixed_precision(atom, m->location->data, 0, 9, 25, "NS"); case lldpctl_k_med_location_longitude: if (m->location->format != LLDP_MED_LOCFORMAT_COORD) break; return read_fixed_precision(atom, m->location->data, 40, 9, 25, "EW"); case lldpctl_k_med_location_altitude: if (m->location->format != LLDP_MED_LOCFORMAT_COORD) break; return read_fixed_precision(atom, m->location->data, 84, 22, 8, NULL); case lldpctl_k_med_location_altitude_unit: if (m->location->format != LLDP_MED_LOCFORMAT_COORD) break; switch (m->location->data[10] & 0xf0) { case (LLDP_MED_LOCATION_ALTITUDE_UNIT_METER << 4): return "m"; case (LLDP_MED_LOCATION_ALTITUDE_UNIT_FLOOR << 4): return "floor"; } SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; case lldpctl_k_med_location_country: if (m->location->format != LLDP_MED_LOCFORMAT_CIVIC) break; if (m->location->data_len < 4) return NULL; value = _lldpctl_alloc_in_atom(atom, 3); if (!value) return NULL; memcpy(value, m->location->data + 2, 2); return value; case lldpctl_k_med_location_elin: if (m->location->format != LLDP_MED_LOCFORMAT_ELIN) break; value = _lldpctl_alloc_in_atom(atom, m->location->data_len + 1); if (!value) return NULL; memcpy(value, m->location->data, m->location->data_len); return value; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } static lldpctl_atom_t * _lldpctl_atom_set_str_med_location(lldpctl_atom_t *atom, lldpctl_key_t key, const char *value) { struct _lldpctl_atom_med_location_t *mloc = (struct _lldpctl_atom_med_location_t *)atom; struct fp_number fp; char *end = NULL; /* Only local port can be modified */ if (!mloc->parent->local) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } switch (key) { case lldpctl_k_med_location_latitude: if (mloc->location->format != LLDP_MED_LOCFORMAT_COORD) goto bad; if (mloc->location->data == NULL || mloc->location->data_len != 16) goto bad; if (value) fp = fp_strtofp(value, &end, 9, 25); if (!end) goto bad; if (end && *end != '\0') { if (*(end + 1) != '\0') goto bad; if (*end == 'S') fp = fp_negate(fp); else if (*end != 'N') goto bad; } fp_fptobuf(fp, (unsigned char *)mloc->location->data, 0); return atom; case lldpctl_k_med_location_longitude: if (mloc->location->format != LLDP_MED_LOCFORMAT_COORD) goto bad; if (mloc->location->data == NULL || mloc->location->data_len != 16) goto bad; if (value) fp = fp_strtofp(value, &end, 9, 25); if (!end) goto bad; if (end && *end != '\0') { if (*(end + 1) != '\0') goto bad; if (*end == 'W') fp = fp_negate(fp); else if (*end != 'E') goto bad; } fp_fptobuf(fp, (unsigned char *)mloc->location->data, 40); return atom; case lldpctl_k_med_location_altitude: if (mloc->location->format != LLDP_MED_LOCFORMAT_COORD) goto bad; if (mloc->location->data == NULL || mloc->location->data_len != 16) goto bad; if (value) fp = fp_strtofp(value, &end, 22, 8); if (!end || *end != '\0') goto bad; fp_fptobuf(fp, (unsigned char *)mloc->location->data, 84); return atom; case lldpctl_k_med_location_altitude_unit: if (!value) goto bad; if (mloc->location->format != LLDP_MED_LOCFORMAT_COORD) goto bad; if (mloc->location->data == NULL || mloc->location->data_len != 16) goto bad; if (!strcmp(value, "m")) return _lldpctl_atom_set_int_med_location(atom, key, LLDP_MED_LOCATION_ALTITUDE_UNIT_METER); if (!strcmp(value, "f") || (!strcmp(value, "floor"))) return _lldpctl_atom_set_int_med_location(atom, key, LLDP_MED_LOCATION_ALTITUDE_UNIT_FLOOR); goto bad; break; case lldpctl_k_med_location_geoid: return _lldpctl_atom_set_int_med_location(atom, key, map_reverse_lookup(port_med_geoid_map.map, value)); case lldpctl_k_med_location_country: if (mloc->location->format != LLDP_MED_LOCFORMAT_CIVIC) goto bad; if (mloc->location->data == NULL || mloc->location->data_len < 3) goto bad; if (!value || strlen(value) != 2) goto bad; memcpy(mloc->location->data + 2, value, 2); return atom; case lldpctl_k_med_location_elin: if (!value) goto bad; if (mloc->location->format != LLDP_MED_LOCFORMAT_ELIN) goto bad; free(mloc->location->data); mloc->location->data = calloc(1, strlen(value)); if (mloc->location->data == NULL) { mloc->location->data_len = 0; SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM); return NULL; } mloc->location->data_len = strlen(value); memcpy(mloc->location->data, value, mloc->location->data_len); return atom; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return atom; bad: SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE); return NULL; } static lldpctl_atom_t * _lldpctl_atom_get_atom_med_location(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_med_location_t *m = (struct _lldpctl_atom_med_location_t *)atom; /* Local and remote port */ switch (key) { case lldpctl_k_med_location_ca_elements: if (m->location->format != LLDP_MED_LOCFORMAT_CIVIC) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return _lldpctl_new_atom(atom->conn, atom_med_caelements_list, m); default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static lldpctl_atom_t * _lldpctl_atom_set_atom_med_location(lldpctl_atom_t *atom, lldpctl_key_t key, lldpctl_atom_t *value) { struct _lldpctl_atom_med_location_t *m = (struct _lldpctl_atom_med_location_t *)atom; struct _lldpctl_atom_med_caelement_t *el; uint8_t *new; /* Only local port can be modified */ if (!m->parent->local) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } switch (key) { case lldpctl_k_med_location_ca_elements: if (value->type != atom_med_caelement) { SET_ERROR(atom->conn, LLDPCTL_ERR_INCORRECT_ATOM_TYPE); return NULL; } if (m->location->format != LLDP_MED_LOCFORMAT_CIVIC) goto bad; if (m->location->data == NULL || m->location->data_len < 3) goto bad; /* We append this element. */ el = (struct _lldpctl_atom_med_caelement_t *)value; new = malloc(m->location->data_len + 2 + el->len); if (new == NULL) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM); return NULL; } memcpy(new, m->location->data, m->location->data_len); new[m->location->data_len] = el->type; new[m->location->data_len + 1] = el->len; memcpy(new + m->location->data_len + 2, el->value, el->len); new[0] += 2 + el->len; free(m->location->data); m->location->data = (char *)new; m->location->data_len += 2 + el->len; return atom; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } bad: SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE); return NULL; } struct ca_iter { uint8_t *data; size_t data_len; }; static lldpctl_atom_iter_t * _lldpctl_atom_iter_med_caelements_list(lldpctl_atom_t *atom) { struct _lldpctl_atom_med_caelements_list_t *plist = (struct _lldpctl_atom_med_caelements_list_t *)atom; struct ca_iter *iter; if (plist->parent->location->data_len < 4 || *(uint8_t *)plist->parent->location->data < 3 || !(iter = _lldpctl_alloc_in_atom(atom, sizeof(struct ca_iter)))) return NULL; iter->data = (uint8_t *)plist->parent->location->data + 4; iter->data_len = *(uint8_t *)plist->parent->location->data - 3; return (lldpctl_atom_iter_t *)iter; } static lldpctl_atom_iter_t * _lldpctl_atom_next_med_caelements_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct ca_iter *cai = (struct ca_iter *)iter; int len; if (cai->data_len < 2) return NULL; len = *((uint8_t *)cai->data + 1); if (cai->data_len < 2 + len) return NULL; cai->data += 2 + len; cai->data_len -= 2 + len; return (lldpctl_atom_iter_t *)cai; } static lldpctl_atom_t * _lldpctl_atom_value_med_caelements_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct _lldpctl_atom_med_caelements_list_t *plist = (struct _lldpctl_atom_med_caelements_list_t *)atom; struct ca_iter *cai = (struct ca_iter *)iter; size_t len; if (cai->data_len < 2) return NULL; len = *((uint8_t *)cai->data + 1); if (cai->data_len < 2 + len) return NULL; return _lldpctl_new_atom(atom->conn, atom_med_caelement, plist->parent, (int)*cai->data, cai->data + 2, len); } static lldpctl_atom_t * _lldpctl_atom_create_med_caelements_list(lldpctl_atom_t *atom) { struct _lldpctl_atom_med_caelements_list_t *plist = (struct _lldpctl_atom_med_caelements_list_t *)atom; return _lldpctl_new_atom(atom->conn, atom_med_caelement, plist->parent, -1, NULL, 0); } static int _lldpctl_atom_new_med_caelement(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_med_caelement_t *el = (struct _lldpctl_atom_med_caelement_t *)atom; el->parent = va_arg(ap, struct _lldpctl_atom_med_location_t *); el->type = va_arg(ap, int); el->value = va_arg(ap, uint8_t *); el->len = va_arg(ap, size_t); lldpctl_atom_inc_ref((lldpctl_atom_t *)el->parent); return 1; } static void _lldpctl_atom_free_med_caelement(lldpctl_atom_t *atom) { struct _lldpctl_atom_med_caelement_t *el = (struct _lldpctl_atom_med_caelement_t *)atom; lldpctl_atom_dec_ref((lldpctl_atom_t *)el->parent); } static long int _lldpctl_atom_get_int_med_caelement(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_med_caelement_t *m = (struct _lldpctl_atom_med_caelement_t *)atom; switch (key) { case lldpctl_k_med_civicaddress_type: return m->type; default: return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); } } static lldpctl_atom_t * _lldpctl_atom_set_int_med_caelement(lldpctl_atom_t *atom, lldpctl_key_t key, long int value) { struct _lldpctl_atom_med_caelement_t *el = (struct _lldpctl_atom_med_caelement_t *)atom; /* Only local port can be modified */ if (!el->parent->parent->local) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } switch (key) { case lldpctl_k_med_civicaddress_type: if (value < 0 || value > 128) goto bad; el->type = value; return atom; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return atom; bad: SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE); return NULL; } static const char * _lldpctl_atom_get_str_med_caelement(lldpctl_atom_t *atom, lldpctl_key_t key) { char *value = NULL; struct _lldpctl_atom_med_caelement_t *m = (struct _lldpctl_atom_med_caelement_t *)atom; /* Local and remote port */ switch (key) { case lldpctl_k_med_civicaddress_type: return map_lookup(civic_address_type_map.map, m->type); case lldpctl_k_med_civicaddress_value: value = _lldpctl_alloc_in_atom(atom, m->len + 1); if (!value) return NULL; memcpy(value, m->value, m->len); return value; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static lldpctl_atom_t * _lldpctl_atom_set_str_med_caelement(lldpctl_atom_t *atom, lldpctl_key_t key, const char *value) { struct _lldpctl_atom_med_caelement_t *el = (struct _lldpctl_atom_med_caelement_t *)atom; size_t len; /* Only local port can be modified */ if (!el->parent->parent->local) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } switch (key) { case lldpctl_k_med_civicaddress_value: if (!value) goto bad; len = strlen(value) + 1; if (len > 251) goto bad; el->value = _lldpctl_alloc_in_atom(atom, len); if (el->value == NULL) return NULL; strlcpy((char *)el->value, value, len); el->len = strlen(value); return atom; case lldpctl_k_med_civicaddress_type: return _lldpctl_atom_set_int_med_caelement(atom, key, map_reverse_lookup(civic_address_type_map.map, value)); default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return atom; bad: SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE); return NULL; } static int _lldpctl_atom_new_med_power(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_med_power_t *mpow = (struct _lldpctl_atom_med_power_t *)atom; mpow->parent = va_arg(ap, struct _lldpctl_atom_port_t *); lldpctl_atom_inc_ref((lldpctl_atom_t *)mpow->parent); return 1; } static void _lldpctl_atom_free_med_power(lldpctl_atom_t *atom) { struct _lldpctl_atom_med_power_t *mpow = (struct _lldpctl_atom_med_power_t *)atom; lldpctl_atom_dec_ref((lldpctl_atom_t *)mpow->parent); } static const char * _lldpctl_atom_get_str_med_power(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_med_power_t *mpow = (struct _lldpctl_atom_med_power_t *)atom; struct lldpd_port *port = mpow->parent->port; /* Local and remote port */ switch (key) { case lldpctl_k_med_power_type: return map_lookup(port_med_pow_devicetype_map, port->p_med_power.devicetype); case lldpctl_k_med_power_source: return map_lookup(port_med_pow_source_map, port->p_med_power.source); case lldpctl_k_med_power_priority: return map_lookup(port_med_pow_priority_map.map, port->p_med_power.priority); default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static long int _lldpctl_atom_get_int_med_power(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_med_power_t *dpow = (struct _lldpctl_atom_med_power_t *)atom; struct lldpd_port *port = dpow->parent->port; /* Local and remote port */ switch (key) { case lldpctl_k_med_power_type: return port->p_med_power.devicetype; case lldpctl_k_med_power_source: return port->p_med_power.source; case lldpctl_k_med_power_priority: return port->p_med_power.priority; case lldpctl_k_med_power_val: return port->p_med_power.val * 100; default: return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); } } static lldpctl_atom_t * _lldpctl_atom_set_int_med_power(lldpctl_atom_t *atom, lldpctl_key_t key, long int value) { struct _lldpctl_atom_med_power_t *dpow = (struct _lldpctl_atom_med_power_t *)atom; struct lldpd_port *port = dpow->parent->port; /* Only local port can be modified */ if (!dpow->parent->local) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } switch (key) { case lldpctl_k_med_power_type: switch (value) { case 0: case LLDP_MED_POW_TYPE_PSE: case LLDP_MED_POW_TYPE_PD: port->p_med_power.devicetype = value; return atom; default: goto bad; } case lldpctl_k_med_power_source: switch (value) { case LLDP_MED_POW_SOURCE_PRIMARY: case LLDP_MED_POW_SOURCE_BACKUP: if (port->p_med_power.devicetype != LLDP_MED_POW_TYPE_PSE) goto bad; port->p_med_power.source = value; return atom; case LLDP_MED_POW_SOURCE_PSE: case LLDP_MED_POW_SOURCE_LOCAL: case LLDP_MED_POW_SOURCE_BOTH: if (port->p_med_power.devicetype != LLDP_MED_POW_TYPE_PD) goto bad; port->p_med_power.source = value; return atom; case LLDP_MED_POW_SOURCE_UNKNOWN: port->p_med_power.source = value; return atom; default: goto bad; } case lldpctl_k_med_power_priority: if (value < 0 || value > 3) goto bad; port->p_med_power.priority = value; return atom; case lldpctl_k_med_power_val: if (value < 0) goto bad; port->p_med_power.val = value / 100; return atom; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return atom; bad: SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE); return NULL; } static lldpctl_atom_t * _lldpctl_atom_set_str_med_power(lldpctl_atom_t *atom, lldpctl_key_t key, const char *value) { switch (key) { case lldpctl_k_med_power_type: return _lldpctl_atom_set_int_med_power(atom, key, map_reverse_lookup(port_med_pow_devicetype_map, value)); case lldpctl_k_med_power_source: return _lldpctl_atom_set_int_med_power(atom, key, map_reverse_lookup(port_med_pow_source_map2, value)); case lldpctl_k_med_power_priority: return _lldpctl_atom_set_int_med_power(atom, key, map_reverse_lookup(port_med_pow_priority_map.map, value)); default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static struct atom_builder med_policies_list = { atom_med_policies_list, sizeof(struct _lldpctl_atom_any_list_t), .init = _lldpctl_atom_new_any_list, .free = _lldpctl_atom_free_any_list, .iter = _lldpctl_atom_iter_med_policies_list, .next = _lldpctl_atom_next_med_policies_list, .value = _lldpctl_atom_value_med_policies_list }; static struct atom_builder med_policy = { atom_med_policy, sizeof(struct _lldpctl_atom_med_policy_t), .init = _lldpctl_atom_new_med_policy, .free = _lldpctl_atom_free_med_policy, .get_int = _lldpctl_atom_get_int_med_policy, .set_int = _lldpctl_atom_set_int_med_policy, .get_str = _lldpctl_atom_get_str_med_policy, .set_str = _lldpctl_atom_set_str_med_policy }; static struct atom_builder med_locations_list = { atom_med_locations_list, sizeof(struct _lldpctl_atom_any_list_t), .init = _lldpctl_atom_new_any_list, .free = _lldpctl_atom_free_any_list, .iter = _lldpctl_atom_iter_med_locations_list, .next = _lldpctl_atom_next_med_locations_list, .value = _lldpctl_atom_value_med_locations_list }; static struct atom_builder med_location = { atom_med_location, sizeof(struct _lldpctl_atom_med_location_t), .init = _lldpctl_atom_new_med_location, .free = _lldpctl_atom_free_med_location, .get = _lldpctl_atom_get_atom_med_location, .set = _lldpctl_atom_set_atom_med_location, .get_int = _lldpctl_atom_get_int_med_location, .set_int = _lldpctl_atom_set_int_med_location, .get_str = _lldpctl_atom_get_str_med_location, .set_str = _lldpctl_atom_set_str_med_location }; static struct atom_builder med_caelements_list = { atom_med_caelements_list, sizeof(struct _lldpctl_atom_med_caelements_list_t), .init = _lldpctl_atom_new_any_list, .free = _lldpctl_atom_free_any_list, .iter = _lldpctl_atom_iter_med_caelements_list, .next = _lldpctl_atom_next_med_caelements_list, .value = _lldpctl_atom_value_med_caelements_list, .create = _lldpctl_atom_create_med_caelements_list }; static struct atom_builder med_caelement = { atom_med_caelement, sizeof(struct _lldpctl_atom_med_caelement_t), .init = _lldpctl_atom_new_med_caelement, .free = _lldpctl_atom_free_med_caelement, .get_int = _lldpctl_atom_get_int_med_caelement, .set_int = _lldpctl_atom_set_int_med_caelement, .get_str = _lldpctl_atom_get_str_med_caelement, .set_str = _lldpctl_atom_set_str_med_caelement }; static struct atom_builder med_power = { atom_med_power, sizeof(struct _lldpctl_atom_med_power_t), .init = _lldpctl_atom_new_med_power, .free = _lldpctl_atom_free_med_power, .get_int = _lldpctl_atom_get_int_med_power, .set_int = _lldpctl_atom_set_int_med_power, .get_str = _lldpctl_atom_get_str_med_power, .set_str = _lldpctl_atom_set_str_med_power }; ATOM_BUILDER_REGISTER(med_policies_list, 15); ATOM_BUILDER_REGISTER(med_policy, 16); ATOM_BUILDER_REGISTER(med_locations_list, 17); ATOM_BUILDER_REGISTER(med_location, 18); ATOM_BUILDER_REGISTER(med_caelements_list, 19); ATOM_BUILDER_REGISTER(med_caelement, 20); ATOM_BUILDER_REGISTER(med_power, 21); #endif lldpd-1.0.18/src/lib/atoms/mgmt.c0000644000076400001440000001073614532716672015752 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2015 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "../lldpctl.h" #include "../../log.h" #include "../atom.h" #include "../helpers.h" static int _lldpctl_atom_new_mgmts_list(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_mgmts_list_t *plist = (struct _lldpctl_atom_mgmts_list_t *)atom; plist->parent = va_arg(ap, lldpctl_atom_t *); plist->chassis = va_arg(ap, struct lldpd_chassis *); lldpctl_atom_inc_ref(plist->parent); return 1; } static void _lldpctl_atom_free_mgmts_list(lldpctl_atom_t *atom) { struct _lldpctl_atom_mgmts_list_t *plist = (struct _lldpctl_atom_mgmts_list_t *)atom; lldpctl_atom_dec_ref(plist->parent); } static lldpctl_atom_iter_t * _lldpctl_atom_iter_mgmts_list(lldpctl_atom_t *atom) { struct _lldpctl_atom_mgmts_list_t *plist = (struct _lldpctl_atom_mgmts_list_t *)atom; return (lldpctl_atom_iter_t *)TAILQ_FIRST(&plist->chassis->c_mgmt); } static lldpctl_atom_iter_t * _lldpctl_atom_next_mgmts_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct lldpd_mgmt *mgmt = (struct lldpd_mgmt *)iter; return (lldpctl_atom_iter_t *)TAILQ_NEXT(mgmt, m_entries); } static lldpctl_atom_t * _lldpctl_atom_value_mgmts_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct _lldpctl_atom_mgmts_list_t *plist = (struct _lldpctl_atom_mgmts_list_t *)atom; struct lldpd_mgmt *mgmt = (struct lldpd_mgmt *)iter; return _lldpctl_new_atom(atom->conn, atom_mgmt, plist->parent, mgmt); } static int _lldpctl_atom_new_mgmt(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_mgmt_t *mgmt = (struct _lldpctl_atom_mgmt_t *)atom; mgmt->parent = va_arg(ap, lldpctl_atom_t *); mgmt->mgmt = va_arg(ap, struct lldpd_mgmt *); lldpctl_atom_inc_ref(mgmt->parent); return 1; } static void _lldpctl_atom_free_mgmt(lldpctl_atom_t *atom) { struct _lldpctl_atom_mgmt_t *mgmt = (struct _lldpctl_atom_mgmt_t *)atom; lldpctl_atom_dec_ref(mgmt->parent); } static long int _lldpctl_atom_get_int_mgmt(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_mgmt_t *m = (struct _lldpctl_atom_mgmt_t *)atom; /* Local and remote port */ switch (key) { case lldpctl_k_mgmt_iface_index: return m->mgmt->m_iface; default: return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); } } static const char * _lldpctl_atom_get_str_mgmt(lldpctl_atom_t *atom, lldpctl_key_t key) { char *ipaddress = NULL; size_t len; int af; struct _lldpctl_atom_mgmt_t *m = (struct _lldpctl_atom_mgmt_t *)atom; /* Local and remote port */ switch (key) { case lldpctl_k_mgmt_ip: switch (m->mgmt->m_family) { case LLDPD_AF_IPV4: len = INET_ADDRSTRLEN + 1; af = AF_INET; break; case LLDPD_AF_IPV6: len = INET6_ADDRSTRLEN + 1; af = AF_INET6; break; default: len = 0; } if (len == 0) break; ipaddress = _lldpctl_alloc_in_atom(atom, len); if (!ipaddress) return NULL; if (inet_ntop(af, &m->mgmt->m_addr, ipaddress, len) == NULL) break; return ipaddress; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } static struct atom_builder mgmts_list = { atom_mgmts_list, sizeof(struct _lldpctl_atom_mgmts_list_t), .init = _lldpctl_atom_new_mgmts_list, .free = _lldpctl_atom_free_mgmts_list, .iter = _lldpctl_atom_iter_mgmts_list, .next = _lldpctl_atom_next_mgmts_list, .value = _lldpctl_atom_value_mgmts_list }; static struct atom_builder mgmt = { atom_mgmt, sizeof(struct _lldpctl_atom_mgmt_t), .init = _lldpctl_atom_new_mgmt, .free = _lldpctl_atom_free_mgmt, .get_int = _lldpctl_atom_get_int_mgmt, .get_str = _lldpctl_atom_get_str_mgmt }; ATOM_BUILDER_REGISTER(mgmts_list, 6); ATOM_BUILDER_REGISTER(mgmt, 7); lldpd-1.0.18/src/lib/atoms/interface.c0000644000076400001440000000735614532716672016752 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2015 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "../lldpctl.h" #include "../../log.h" #include "../atom.h" #include "../helpers.h" static int _lldpctl_atom_new_interfaces_list(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_interfaces_list_t *iflist = (struct _lldpctl_atom_interfaces_list_t *)atom; iflist->ifs = va_arg(ap, struct lldpd_interface_list *); return 1; } static void _lldpctl_atom_free_interfaces_list(lldpctl_atom_t *atom) { struct _lldpctl_atom_interfaces_list_t *iflist = (struct _lldpctl_atom_interfaces_list_t *)atom; struct lldpd_interface *iface, *iface_next; for (iface = TAILQ_FIRST(iflist->ifs); iface != NULL; iface = iface_next) { /* Don't TAILQ_REMOVE, this is not a real list! */ iface_next = TAILQ_NEXT(iface, next); free(iface->name); free(iface); } free(iflist->ifs); } static lldpctl_atom_iter_t * _lldpctl_atom_iter_interfaces_list(lldpctl_atom_t *atom) { struct _lldpctl_atom_interfaces_list_t *iflist = (struct _lldpctl_atom_interfaces_list_t *)atom; return (lldpctl_atom_iter_t *)TAILQ_FIRST(iflist->ifs); } static lldpctl_atom_iter_t * _lldpctl_atom_next_interfaces_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { return (lldpctl_atom_iter_t *)TAILQ_NEXT((struct lldpd_interface *)iter, next); } static lldpctl_atom_t * _lldpctl_atom_value_interfaces_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct lldpd_interface *iface = (struct lldpd_interface *)iter; return _lldpctl_new_atom(atom->conn, atom_interface, iface->name); } static int _lldpctl_atom_new_interface(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_interface_t *port = (struct _lldpctl_atom_interface_t *)atom; port->name = strdup(va_arg(ap, char *)); return (port->name != NULL); } static void _lldpctl_atom_free_interface(lldpctl_atom_t *atom) { struct _lldpctl_atom_interface_t *port = (struct _lldpctl_atom_interface_t *)atom; free(port->name); } static const char * _lldpctl_atom_get_str_interface(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_interface_t *port = (struct _lldpctl_atom_interface_t *)atom; switch (key) { case lldpctl_k_interface_name: return port->name; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static struct atom_builder interfaces_list = { atom_interfaces_list, sizeof(struct _lldpctl_atom_interfaces_list_t), .init = _lldpctl_atom_new_interfaces_list, .free = _lldpctl_atom_free_interfaces_list, .iter = _lldpctl_atom_iter_interfaces_list, .next = _lldpctl_atom_next_interfaces_list, .value = _lldpctl_atom_value_interfaces_list }; static struct atom_builder interface = { atom_interface, sizeof(struct _lldpctl_atom_interface_t), .init = _lldpctl_atom_new_interface, .free = _lldpctl_atom_free_interface, .get_str = _lldpctl_atom_get_str_interface }; ATOM_BUILDER_REGISTER(interfaces_list, 2); ATOM_BUILDER_REGISTER(interface, 3); lldpd-1.0.18/src/lib/atoms/custom.c0000644000076400001440000001535714532716672016324 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2015 Vincent Bernat * Copyright (c) 2015 Alexandru Ardelean * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "../lldpctl.h" #include "../../log.h" #include "../atom.h" #include "../helpers.h" #ifdef ENABLE_CUSTOM # define min(x, y) ((x > y) ? y : x) static lldpctl_atom_iter_t * _lldpctl_atom_iter_custom_list(lldpctl_atom_t *atom) { struct _lldpctl_atom_custom_list_t *custom = (struct _lldpctl_atom_custom_list_t *)atom; return (lldpctl_atom_iter_t *)TAILQ_FIRST(&custom->parent->port->p_custom_list); } static lldpctl_atom_iter_t * _lldpctl_atom_next_custom_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { return (lldpctl_atom_iter_t *)TAILQ_NEXT((struct lldpd_custom *)iter, next); } static lldpctl_atom_t * _lldpctl_atom_value_custom_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { struct _lldpctl_atom_custom_list_t *custom = (struct _lldpctl_atom_custom_list_t *)atom; struct lldpd_custom *tlv = (struct lldpd_custom *)iter; return _lldpctl_new_atom(atom->conn, atom_custom, custom->parent, tlv); } static lldpctl_atom_t * _lldpctl_atom_create_custom_list(lldpctl_atom_t *atom) { struct _lldpctl_atom_custom_list_t *custom = (struct _lldpctl_atom_custom_list_t *)atom; struct lldpd_custom *tlv; tlv = _lldpctl_alloc_in_atom(atom, sizeof(struct lldpd_custom)); if (!tlv) return NULL; return _lldpctl_new_atom(atom->conn, atom_custom, custom->parent, tlv); } static int _lldpctl_atom_new_custom(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom; custom->parent = va_arg(ap, struct _lldpctl_atom_port_t *); custom->tlv = va_arg(ap, struct lldpd_custom *); lldpctl_atom_inc_ref((lldpctl_atom_t *)custom->parent); return 1; } static void _lldpctl_atom_free_custom(lldpctl_atom_t *atom) { struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom; lldpctl_atom_dec_ref((lldpctl_atom_t *)custom->parent); } static long int _lldpctl_atom_get_int_custom(lldpctl_atom_t *atom, lldpctl_key_t key) { struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom; switch (key) { case lldpctl_k_custom_tlv_oui_subtype: return custom->tlv->subtype; default: return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); } } static lldpctl_atom_t * _lldpctl_atom_set_str_custom(lldpctl_atom_t *atom, lldpctl_key_t key, const char *value) { struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom; if (!value || !strlen(value)) return NULL; /* Only local port can be modified */ if (!custom->parent->local) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } switch (key) { case lldpctl_k_custom_tlv_op: if (!strcmp(value, "replace")) custom->op = CUSTOM_TLV_REPLACE; else if (!strcmp(value, "remove")) custom->op = CUSTOM_TLV_REMOVE; else custom->op = CUSTOM_TLV_ADD; return atom; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE); return NULL; } static lldpctl_atom_t * _lldpctl_atom_set_int_custom(lldpctl_atom_t *atom, lldpctl_key_t key, long int value) { struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom; /* Only local port can be modified */ if (!custom->parent->local) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } switch (key) { case lldpctl_k_custom_tlv_oui_subtype: if (value < 0 || value > 255) goto bad; custom->tlv->subtype = value; return atom; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } bad: SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE); return NULL; } static const uint8_t * _lldpctl_atom_get_buffer_custom(lldpctl_atom_t *atom, lldpctl_key_t key, size_t *n) { struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom; switch (key) { case lldpctl_k_custom_tlv_oui: *n = sizeof(custom->tlv->oui); return (const uint8_t *)&custom->tlv->oui; case lldpctl_k_custom_tlv_oui_info_string: *n = custom->tlv->oui_info_len; return (const uint8_t *)custom->tlv->oui_info; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static lldpctl_atom_t * _lldpctl_atom_set_buffer_custom(lldpctl_atom_t *atom, lldpctl_key_t key, const u_int8_t *buf, size_t n) { struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom; /* Only local port can be modified */ if (!custom->parent->local) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } switch (key) { case lldpctl_k_custom_tlv_oui: memcpy(&custom->tlv->oui, buf, min(n, sizeof(custom->tlv->oui))); return atom; case lldpctl_k_custom_tlv_oui_info_string: if (n == 0 || n > LLDP_TLV_ORG_OUI_INFO_MAXLEN) { SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE); return NULL; } custom->tlv->oui_info_len = n; if (!(custom->tlv->oui_info = _lldpctl_alloc_in_atom(atom, n))) { custom->tlv->oui_info_len = 0; SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM); return NULL; } memcpy(custom->tlv->oui_info, buf, n); return atom; default: SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } } static struct atom_builder custom_list = { atom_custom_list, sizeof(struct _lldpctl_atom_any_list_t), .init = _lldpctl_atom_new_any_list, .free = _lldpctl_atom_free_any_list, .iter = _lldpctl_atom_iter_custom_list, .next = _lldpctl_atom_next_custom_list, .value = _lldpctl_atom_value_custom_list, .create = _lldpctl_atom_create_custom_list }; static struct atom_builder custom = { atom_custom, sizeof(struct _lldpctl_atom_custom_t), .init = _lldpctl_atom_new_custom, .free = _lldpctl_atom_free_custom, .get_int = _lldpctl_atom_get_int_custom, .set_int = _lldpctl_atom_set_int_custom, .set_str = _lldpctl_atom_set_str_custom, .get_buffer = _lldpctl_atom_get_buffer_custom, .set_buffer = _lldpctl_atom_set_buffer_custom }; ATOM_BUILDER_REGISTER(custom_list, 22); ATOM_BUILDER_REGISTER(custom, 23); #endif /* ENABLE_CUSTOM */ lldpd-1.0.18/src/lib/helpers.h0000644000076400001440000000213214532716672015321 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2015 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ const char *map_lookup(lldpctl_map_t *list, int n); int map_reverse_lookup(lldpctl_map_t *list, const char *string); int _lldpctl_atom_new_any_list(lldpctl_atom_t *atom, va_list ap); void _lldpctl_atom_free_any_list(lldpctl_atom_t *atom); char *xstrdup(const char *); lldpd-1.0.18/src/lib/fixedpoint.c0000644000076400001440000002005214532716672016024 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "fixedpoint.h" /* This is not a general purpose fixed point library. First, there is no * arithmetic. Second, some functions assume that the total precision does not * exceed 64 bits. */ #ifdef ENABLE_LLDPMED # ifndef ntohll # define ntohll(x) \ (((u_int64_t)(ntohl((int)(((x) << 32) >> 32))) << 32) | \ (unsigned int)ntohl(((int)((x) >> 32)))) # endif /** * Convert a string to fixed point number. * * @param repr String to convert. * @param end If not NULL, will contain a pointer to the character after the * last character used in the conversion. * @param intbits Number of bits to represent the integer part. * @param fltbits Number of bits to represent the float part. * @return A fixed point number. * * If there is an overflow, there will be a truncation. Moreover, the fraction * part will be rounded to the nearest possible power of two representation. The * point will depend on the number of decimal provided with the fraction * part. */ struct fp_number fp_strtofp(const char *repr, char **end, unsigned intbits, unsigned fltbits) { char *endptr = NULL, *e2; struct fp_number result = { .integer = { 0, intbits }, .fraction = { 0, fltbits, 0 } }; result.integer.value = strtoll(repr, &endptr, 10); if (result.integer.value >= (1LL << (intbits - 1))) result.integer.value = (1LL << (intbits - 1)) - 1; else if (result.integer.value < ~(1LL << (intbits - 1)) + 1) result.integer.value = ~(1LL << (intbits - 1)) + 1; if (*endptr == '.') { long long precision = 1; e2 = endptr + 1; result.fraction.value = strtoll(e2, &endptr, 10); /* Convert to a representation in power of two. Get the * precision from the number of digits provided. This is NOT the * value of the higher bits in the binary representation: we * consider that if the user inputs, 0.9375, it means to * represent anything between 0 and 0.9999 with the same * precision. Therefore, we don't have only 4 bits of precision * but 14. */ while (e2++ != endptr) precision *= 10; result.fraction.value <<= fltbits; result.fraction.value /= precision; result.fraction.precision = (precision == 1) ? 1 : (sizeof(precision) * 8 - __builtin_clzll(precision - 1)); if (result.fraction.precision > fltbits) result.fraction.precision = fltbits; } if (end) *end = endptr; return result; } /** * Get a string representation of a fixed point number. * * @param fp Fixed point number. * @param suffix If not NULL, use the first character when positive and the * second one when negative instead of prefixing by `-`. * @return the string representation * * Since we convert from binary to decimal, we are as precise as the binary * representation. */ char * fp_fptostr(struct fp_number fp, const char *suffix) { char *result = NULL; char *frac = NULL; int negative = (fp.integer.value < 0); if (fp.fraction.value == 0) frac = strdup(""); else { long long decimal = fp.fraction.value; long long precision = 1; int len = 0; while ((1LL << fp.fraction.precision) > precision) { precision *= 10; len += 1; } /* We did round-up, when converting from decimal. We round-down * to have some coherency. */ precision /= 10; len -= 1; if (precision == 0) precision = 1; decimal *= precision; decimal >>= fp.fraction.bits; if (asprintf(&frac, ".%0*llu", len, decimal) == -1) return NULL; } if (asprintf(&result, "%s%llu%s%c", (suffix == NULL && negative) ? "-" : "", (negative) ? (-fp.integer.value) : fp.integer.value, frac, (suffix && !negative) ? suffix[0] : (suffix && negative) ? suffix[1] : ' ') == -1) { free(frac); return NULL; } free(frac); if (!suffix) result[strlen(result) - 1] = '\0'; return result; } /** * Turn a fixed point number into its representation in a buffer. * * @param fp Fixed point number. * @param buf Output buffer. * @param shift Number of bits to skip at the beginning of the buffer. * * The representation of a fixed point number is the precision (always 6 bits * because we assume that int part + frac part does not exceed 64 bits), the * integer part and the fractional part. */ void fp_fptobuf(struct fp_number fp, unsigned char *buf, unsigned shift) { unsigned long long value = (fp.integer.value >= 0) ? ((fp.integer.value << fp.fraction.bits) + fp.fraction.value) : (~(((unsigned long long)(-fp.integer.value) << fp.fraction.bits) + fp.fraction.value) + 1); unsigned long long ints[] = { fp.integer.bits + fp.fraction.precision, value }; unsigned int bits[] = { 6, fp.integer.bits + fp.fraction.bits }; unsigned i, obit, o; for (i = 0, obit = 8 - (shift % 8), o = shift / 8; i < 2;) { if (obit > bits[i]) { /* We need to clear bits that will be overwritten but do not * touch other bits */ if (bits[i] != 0) { buf[o] = buf[o] & (~((1 << obit) - 1) | ((1 << (obit - bits[i])) - 1)); buf[o] = buf[o] | ((ints[i] & ((1 << bits[i]) - 1)) << (obit - bits[i])); obit -= bits[i]; } i++; } else { /* As in the other branch... */ buf[o] = buf[o] & (~((1 << obit) - 1)); buf[o] = buf[o] | ((ints[i] >> (bits[i] - obit)) & ((1 << obit) - 1)); bits[i] -= obit; obit = 8; o++; } } } /** * Parse a fixed point number from a buffer. * * @param buf Input buffer * @param intbits Number of bits used for integer part. * @param fltbits Number of bits used for fractional part. * @param shift Number of bits to skip at the beginning of the buffer. * * @return the parsed fixed point number. * * The representation is the same as for @c fp_fptobuf(). */ struct fp_number fp_buftofp(const unsigned char *buf, unsigned intbits, unsigned fltbits, unsigned shift) { unsigned long long value = 0, precision = 0; unsigned long long *ints[] = { &precision, &value }; unsigned int bits[] = { 6, intbits + fltbits }; unsigned o, ibit, i; for (o = 0, ibit = 8 - (shift % 8), i = shift / 8; o < 2;) { if (ibit > bits[o]) { if (bits[o] > 0) { *ints[o] = *ints[o] | ((buf[i] >> (ibit - bits[o])) & ((1ULL << bits[o]) - 1)); ibit -= bits[o]; } o++; } else { *ints[o] = *ints[o] | ((buf[i] & ((1ULL << ibit) - 1)) << (bits[o] - ibit)); bits[o] -= ibit; ibit = 8; i++; } } /* Don't handle too low precision */ if (precision > intbits) precision -= intbits; else precision = intbits; int negative = !!(value & (1ULL << (intbits + fltbits - 1))); if (negative) value = (~value + 1) & ((1ULL << (intbits + fltbits - 1)) - 1); struct fp_number result = { .integer = { value >> fltbits, intbits }, .fraction = { value & ((1ULL << fltbits) - 1), fltbits, precision } }; if (negative) result.integer.value = -result.integer.value; return result; } /** * Negate a fixed point number. */ struct fp_number fp_negate(struct fp_number fp) { unsigned intbits = fp.integer.bits; struct fp_number result = fp; result.integer.value = -result.integer.value; if (result.integer.value >= (1LL << (intbits - 1))) result.integer.value = (1LL << (intbits - 1)) - 1; else if (result.integer.value < ~(1LL << (intbits - 1)) + 1) result.integer.value = ~(1LL << (intbits - 1)) + 1; return result; } #endif lldpd-1.0.18/src/lib/lldpctl.map0000644000076400001440000000170114532716672015644 0ustar00bernatusersLIBLLDPCTL_4.9 { global: lldpctl_watch_callback2; }; LIBLLDPCTL_4.8 { global: lldpctl_get_default_port; }; LIBLLDPCTL_4.7 { global: lldpctl_get_local_chassis; }; LIBLLDPCTL_4.6 { global: lldpctl_atom_create; lldpctl_atom_dec_ref; lldpctl_atom_get; lldpctl_atom_get_buffer; lldpctl_atom_get_connection; lldpctl_atom_get_int; lldpctl_atom_get_str; lldpctl_atom_inc_ref; lldpctl_atom_iter; lldpctl_atom_iter_next; lldpctl_atom_iter_value; lldpctl_atom_set; lldpctl_atom_set_buffer; lldpctl_atom_set_int; lldpctl_atom_set_str; lldpctl_get_configuration; lldpctl_get_default_transport; lldpctl_get_interfaces; lldpctl_get_port; lldpctl_key_get_map; lldpctl_last_error; lldpctl_log_callback; lldpctl_log_level; lldpctl_new; lldpctl_new_name; lldpctl_process_conn_buffer; lldpctl_recv; lldpctl_release; lldpctl_send; lldpctl_strerror; lldpctl_watch; lldpctl_watch_callback; local: *; }; lldpd-1.0.18/src/lib/lldpctl.pc.in0000644000076400001440000000024514111362571016064 0ustar00bernatusersName: lldpctl Description: Library to interface with lldpd, a 802.1AB daemon Version: @VERSION@ URL: @PACKAGE_URL@ Libs: -L@libdir@ -llldpctl Cflags: -I@includedir@ lldpd-1.0.18/src/lib/lldpctl.h0000644000076400001440000014057114532716672015327 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LLDPCTL_H #define LLDPCTL_H /** * @defgroup liblldpctl liblldpctl: library to interface with lldpd * * `liblldpctl` allows any program to convenienty query and modify the behaviour * of a running lldpd daemon. * * To use this library, use `pkg-config` to get the appropriate options: * * `pkg-config --libs lldpctl` for `LIBS` or `LDFLAGS` * * `pkg-config --cflags lldpctl` for `CFLAGS` * * @warning This library is tightly coupled with lldpd. The library to use * should be the one shipped with lldpd. Clients of the library are then tied * by the classic API/ABI rules and may be compiled separatly. * * There are two important structures in this library: @c lldpctl_conn_t which * represents a connection and @c lldpctl_atom_t which represents a piece of * information. Those types are opaque. No direct access to them should be done. * * The library is expected to be reentrant and therefore thread-safe. It is * however not expected that a connection to be used in several thread * simultaneously. This also applies to the different pieces of information * gathered through this connection. Several connection to lldpd can be used * simultaneously. * * The first step is to establish a connection. See @ref lldpctl_connection for * more information about this. The next step is to query the lldpd daemon. See * @ref lldpctl_atoms on how to do this. * * `liblldpctl` tries to handle errors in a coherent way. Any function returning * a pointer will return @c NULL on error and the last error can be retrieved * through @ref lldpctl_last_error() function. Most functions returning integers * will return a negative integer representing the error if something goes * wrong. The use of @ref lldpctl_last_error() allows one to check if this is a * real error if there is a doubt. See @ref lldpctl_errors_logs for more about * this. * * @{ */ #ifdef __cplusplus extern "C" { #endif #include #include #include /** * @defgroup lldpctl_connection Managing connection to lldpd * * Connection with lldpd. * * This library does not handle IO. They are delegated to a set of functions to * allow a user to specify exactly how IO should be done. A user is expected to * provide two functions: the first one is called when the library requests * incoming data, the other one when it requests outgoing data. Moreover, the * user is also expected to call the appropriate functions when data comes back * (@ref lldpctl_recv()) or needs to be sent (@ref lldpctl_send()). * * Because the most common case is synchronous IO, `liblldpctl` will use classic * synchronous IO with the Unix socket if no IO functions are provided by the * user. For all other cases, the user must provide the appropriate functions. * * A connection should be allocated by using @ref lldpctl_new(). It needs to be * released with @ref lldpctl_release(). * * @{ */ /** * Get default transport name. * * Currently, this is the default location of the Unix socket. */ const char *lldpctl_get_default_transport(void); /** * Structure referencing a connection with lldpd. * * This structure should be handled as opaque. It can be allocated * with @c lldpctl_new() and the associated resources will be freed * with @c lldpctl_release(). */ typedef struct lldpctl_conn_t lldpctl_conn_t; /** * Callback function invoked to send data to lldpd. * * @param conn Handle to the connection to lldpd. * @param data Bytes to be sent. * @param length Length of provided data. * @param user_data Provided user data. * @return The number of bytes really sent or either @c LLDPCTL_ERR_WOULDBLOCK * if no bytes can be sent without blocking or @c * LLDPCTL_ERR_CALLBACK_FAILURE for other errors. */ typedef ssize_t (*lldpctl_send_callback)(lldpctl_conn_t *conn, const uint8_t *data, size_t length, void *user_data); /** * Callback function invoked to receive data from lldpd. * * @param conn Handle to the connection to lldpd. * @param data Buffer for receiving data * @param length Maximum bytes we can receive * @param user_data Provided user data. * @return The number of bytes really received or either @c * LLDPCTL_ERR_WOULDBLOCK if no bytes can be received without blocking, * @c LLDPCTL_ERR_CALLBACK_FAILURE for other errors or @c * LLDPCTL_ERR_EOF if end of file was reached. */ typedef ssize_t (*lldpctl_recv_callback)(lldpctl_conn_t *conn, const uint8_t *data, size_t length, void *user_data); /** * Function invoked when additional data is available from lldpd. * * This function should be invoked in case of asynchronous IO when new data is * available from lldpd (expected or unexpected). * * @param conn Handle to the connection to lldpd. * @param data Data received from lldpd. * @param length Length of data received. * @return The number of bytes available or a negative integer if an error has * occurred. 0 is not an error. It usually means that a notification has * been processed. */ ssize_t lldpctl_recv(lldpctl_conn_t *conn, const uint8_t *data, size_t length); /** * Function invoked when there is an opportunity to send data to lldpd. * * This function should be invoked in case of asynchronous IO when new data can * be written to lldpd. * * @param conn Handle to the connection to lldpd. * @return The number of bytes processed or a negative integer if an error has * occurred. */ ssize_t lldpctl_send(lldpctl_conn_t *conn); /** * Function invoked to see if there's more data to be processed in the buffer. * * This function should be invoked to check for notifications in the data that * has already been read. Its used typically for asynchronous connections. * * @param conn Handle to the connection to lldpd. * @return 0 to indicate maybe more data is available for processing * !0 to indicate no data or insufficient data for processing */ int lldpctl_process_conn_buffer(lldpctl_conn_t *conn); /** * Allocate a new handler for connecting to lldpd. * * @param send Callback to be used when sending new data is requested. * @param recv Callback to be used when receiving new data is requested. * @param user_data Data to pass to callbacks. * @return An handler to be used to connect to lldpd or @c NULL in * case of error. In the later case, the error is probable an * out of memory condition. * * The allocated handler can be released with @c lldpctl_release(). If the * provided parameters are both @c NULL, default synchronous callbacks will be * used. */ lldpctl_conn_t *lldpctl_new(lldpctl_send_callback send, lldpctl_recv_callback recv, void *user_data); /** * Allocate a new handler for connecting to lldpd. * * @param ctlname the Unix-domain socket to connect to lldpd. * @param send Callback to be used when sending new data is requested. * @param recv Callback to be used when receiving new data is requested. * @param user_data Data to pass to callbacks. * @return An handler to be used to connect to lldpd or @c NULL in * case of error. In the later case, the error is probable an * out of memory condition. * * The allocated handler can be released with @c lldpctl_release(). If the * provided parameters are both @c NULL, default synchronous callbacks will be * used. */ lldpctl_conn_t *lldpctl_new_name(const char *ctlname, lldpctl_send_callback send, lldpctl_recv_callback recv, void *user_data); /** * Release resources associated with a connection to lldpd. * * @param conn Previously allocated handler to a connection to lldpd. * @return 0 on success or a negative integer * * @see lldpctl_new() */ int lldpctl_release(lldpctl_conn_t *conn); /**@}*/ /** * @defgroup lldpctl_errors_logs Errors and logs handling * * Error codes and logs handling. * * When a function returns a pointer, it may return @c NULL to indicate an error * condition. In this case, it is possible to use @ref lldpctl_last_error() to * get the related error code which is one of the values in @ref lldpctl_error_t * enumeration. For display purpose @ref lldpctl_strerror() may be used to * translate this error code. * * When a function returns an integer, it may return a negative value. It * usually means this is an error but some functions may return a legitimate * negative value (for example @ref lldpctl_atom_get_int()). When there is a * doubt, @ref lldpctl_last_error() should be checked. * * An error is attached to a connection. If there is no connection, no error * handling is available. Most functions use a connection or an atom as first * argument and therefore are attached to a connection. To get the connection * related to an atom, use @ref lldpctl_atom_get_connection(). * * Also have a look at @ref lldpctl_log_callback() function if you want a custom * log handling. * * @{ */ /** * Setup log handlers. * * By default, liblldpctl will log to stderr. The following function will * register another callback for this purpose. Messages logged through this * callback may be cryptic. They are targeted for the developer. Message for end * users should rely on return codes. */ void lldpctl_log_callback(void (*cb)(int severity, const char *msg)); /** * Setup log level. * * By default, liblldpctl will only log warnings. The following function allows * to increase verbosity. This function has no effect if callbacks are * registered with the previous function. * * @param level Level of verbosity (1 = warnings, 2 = info, 3 = debug). */ void lldpctl_log_level(int level); /** * Possible error codes for functions that return negative integers on * this purpose or for @c lldpctl_last_error(). */ typedef enum { /** * No error has happened (yet). */ LLDPCTL_NO_ERROR = 0, /** * A IO related operation would block if performed. */ LLDPCTL_ERR_WOULDBLOCK = -501, /** * A IO related operation has reached a end of file condition. */ LLDPCTL_ERR_EOF = -502, /** * The requested information does not exist. For example, when * requesting an inexistant information from an atom. */ LLDPCTL_ERR_NOT_EXIST = -503, /** * Cannot connect to the lldpd daemon. This error only happens with * default synchronous handlers. */ LLDPCTL_ERR_CANNOT_CONNECT = -504, /** * Atom is of incorrect type for the requested operation. */ LLDPCTL_ERR_INCORRECT_ATOM_TYPE = -505, /** * An error occurred during serialization of message. */ LLDPCTL_ERR_SERIALIZATION = -506, /** * The requested operation cannot be performed because we have another * operation already running. */ LLDPCTL_ERR_INVALID_STATE = -507, /** * The provided atom cannot be iterated. */ LLDPCTL_ERR_CANNOT_ITERATE = -508, /** * The provided value is invalid. */ LLDPCTL_ERR_BAD_VALUE = -509, /** * No new element can be created for this element. */ LLDPCTL_ERR_CANNOT_CREATE = -510, /** * The library is under unexpected conditions and cannot process * any further data reliably. */ LLDPCTL_ERR_FATAL = -900, /** * Out of memory condition. Things may get havoc here but we * should be able to recover. */ LLDPCTL_ERR_NOMEM = -901, /** * An error occurred in a user provided callback. */ LLDPCTL_ERR_CALLBACK_FAILURE = -902 } lldpctl_error_t; /** * Describe a provided error code. * * @param error Error code to be described. * @return Statically allocated string describing the error. */ const char *lldpctl_strerror(lldpctl_error_t error); /** * Get the last error associated to a connection to lldpd. * * @param conn Previously allocated handler to a connection to lldpd. * @return 0 if no error is currently registered. A negative integer * otherwise. * * For functions returning int, this function will return the same * error number. For functions returning something else, you can use * this function to get the appropriate error number. */ lldpctl_error_t lldpctl_last_error(lldpctl_conn_t *conn); /** * Describe the last error associate to a connection. * * @param conn Previously allocated handler to a connection to lldpd. * @return Statically allocated string describing the error */ #define lldpctl_last_strerror(conn) lldpctl_strerror(lldpctl_last_error(conn)) /**@}*/ /** * @defgroup lldpctl_atoms Extracting information: atoms * * Information retrieved from lldpd is represented as an atom. * * This is an opaque structure that can be passed along some functions to * transmit chassis, ports, VLAN and other information related to LLDP. Most * information are extracted using @c lldpctl_atom_get(), @c * lldpctl_atom_get_str(), @c lldpctl_atom_get_buffer() or @c * lldpctl_atom_get_int(), unless some IO with lldpd is needed to retrieve the * requested information. In this case, there exists an appropriate function to * convert the "deferred" atom into a normal one (like @c lldpctl_get_port()). * * For some information, setters are also available: @c lldpctl_atom_set(), @c * lldpctl_atom_set_str(), @c lldpctl_atom_set_buffer() or @c * lldpctl_atom_set_int(). Unlike getters, some of those may require IO to * achieve their goal. * * An atom is reference counted. The semantics are quite similar to Python and * you must be careful of the ownership of a reference. It is possible to own a * reference by calling @c lldpctl_atom_inc_ref(). Once the atom is not needed * any more, you can abandon ownership with @c lldpctl_atom_dec_ref(). Unless * documented otherwise, a function returning an atom will return a new * reference (the ownership is assigned to the caller, no need to call @c * lldpctl_atom_inc_ref()). Unless documented otherwise, when providing an atom * to a function, the atom is usually borrowed (no change in reference * counting). Currently, no function will steal ownership. * * It is quite important to use the reference counting functions * correctly. Segfaults or memory leaks may occur otherwise. Once the reference * count reaches 0, the atom is immediately freed. Reusing it will likely lead * to memory corruption. * * @{ */ /** * Structure representing an element (chassis, port, VLAN, ...) * * @see lldpctl_atom_inc_ref(), lldpctl_atom_dec_ref(). */ typedef struct lldpctl_atom_t lldpctl_atom_t; /** * Structure representing a map from an integer to a character string. * * @see lldpctl_key_get_map(). */ typedef const struct { int value; const char *string; } lldpctl_map_t; /** * Return the reference to connection with lldpd. * * @param atom The atom we want reference from. * @return The reference to the connection to lldpd. * * Each atom contains an internal reference to the corresponding connection to * lldpd. Use this function to get it. */ lldpctl_conn_t *lldpctl_atom_get_connection(lldpctl_atom_t *atom); /** * Increment reference count for an atom. * * @param atom Atom we which to increase reference count. */ void lldpctl_atom_inc_ref(lldpctl_atom_t *atom); /** * Decrement reference count for an atom. * * @param atom Atom we want to decrease reference count. Can be @c NULL. In this * case, nothing happens. * * When the reference count becomes 0, the atom is freed. */ void lldpctl_atom_dec_ref(lldpctl_atom_t *atom); /** * Possible events for a change (notification). * * @see lldpctl_watch_callback2 */ typedef enum { lldpctl_c_deleted, /**< The neighbor has been deleted */ lldpctl_c_updated, /**< The neighbor has been updated */ lldpctl_c_added, /**< This is a new neighbor */ } lldpctl_change_t; /** * Callback function invoked when a change is detected. * * @param conn Connection with lldpd. Should not be used. * @param type Type of change detected. * @param interface Physical interface on which the change has happened. * @param neighbor Changed neighbor. * @param data Data provided when registering the callback. * * The provided interface and neighbor atoms are stolen by the callback: their * reference count are decremented when the callback ends. If you want to keep a * reference to it, be sure to increment the reference count in the callback. * * @warning The provided connection should not be used at all. Do not use @c * lldpctl_atom_set_*() functions on @c interface or @c neighbor either. If you * do, you will get a @c LLDPCTL_ERR_INVALID_STATE error. * * @see lldpctl_watch_callback */ typedef void (*lldpctl_change_callback)(lldpctl_conn_t *conn, lldpctl_change_t type, lldpctl_atom_t *interface, lldpctl_atom_t *neighbor, void *data); /** * Callback function invoked when a change is detected. * * @param type Type of change detected. * @param interface Physical interface on which the change has happened. * @param neighbor Changed neighbor. * @param data Data provided when registering the callback. * * The provided interface and neighbor atoms are stolen by the callback: their * reference count are decremented when the callback ends. If you want to keep a * reference to it, be sure to increment the reference count in the callback. * * @see lldpctl_watch_callback2 */ typedef void (*lldpctl_change_callback2)(lldpctl_change_t type, lldpctl_atom_t *interface, lldpctl_atom_t *neighbor, void *data); /** * Register a callback to be called on changes. * * @param conn Connection with lldpd. * @param cb Replace the current callback with the provided one. * @param data Data that will be passed to the callback. * @return 0 in case of success or -1 in case of errors. * * This function will register the necessity to push neighbor changes to lldpd * and therefore will issue IO operations. The error code could then be @c * LLDPCTL_ERR_WOULDBLOCK. * * @warning Once a callback is registered, the connection shouldn't be used for * anything else than receiving notifications. If you do, you will get a @c * LLDPCTL_ERR_INVALID_STATE error. * * @deprecated This function is deprecated and lldpctl_watch_callback2 should be * used instead. */ int lldpctl_watch_callback(lldpctl_conn_t *conn, lldpctl_change_callback cb, void *data) __attribute__((deprecated)); /** * Register a callback to be called on changes. * * @param conn Connection with lldpd. * @param cb Replace the current callback with the provided one. * @param data Data that will be passed to the callback. * @return 0 in case of success or -1 in case of errors. * * This function will register the necessity to push neighbor changes to lldpd * and therefore will issue IO operations. The error code could then be @c * LLDPCTL_ERR_WOULDBLOCK. * * @warning Once a callback is registered, the connection shouldn't be used for * anything else than receiving notifications. If you do, you will get a @c * LLDPCTL_ERR_INVALID_STATE error. */ int lldpctl_watch_callback2(lldpctl_conn_t *conn, lldpctl_change_callback2 cb, void *data); /** * Wait for the next change. * * @param conn Connection with lldpd. * @return 0 on success or a negative integer in case of error. * * This function will return once a change has been detected. It is only useful * as a main loop when using the builtin blocking IO mechanism. */ int lldpctl_watch(lldpctl_conn_t *conn); /** * @defgroup liblldpctl_atom_get_special Retrieving atoms from lldpd * * Special access functions. * * Most information can be retrieved through @ref lldpctl_atom_get(), @ref * lldpctl_atom_get_int(), @ref lldpctl_atom_get_str() or @ref * lldpctl_atom_get_buffer() but some information can only be retrieved through * special functions because IO operation is needed (and also, for some of them, * because we don't have an atom yet). * * @{ */ /** * Retrieve global configuration of lldpd daemon. * * @param conn Connection with lldpd. * @return The global configuration or @c NULL if an error happened. * * This function will make IO with the daemon to get the * configuration. Depending on the IO model, information may not be available * right now and the function should be called again later. If @c NULL is * returned, check the last error. If it is @c LLDPCTL_ERR_WOULDBLOCK, try again * later. */ lldpctl_atom_t *lldpctl_get_configuration(lldpctl_conn_t *conn); /** * Retrieve the list of available interfaces. * * @param conn Previously allocated handler to a connection to lldpd. * @return The list of available ports or @c NULL if an error happened. * * This function will make IO with the daemon to get the list of * ports. Depending on the IO model, information may not be available right now * and the function should be called again later. If @c NULL is returned, check * what the last error is. If it is @c LLDPCTL_ERR_WOULDBLOCK, try again later * (when more data is available). * * The list of available ports can be iterated with @ref lldpctl_atom_foreach(). */ lldpctl_atom_t *lldpctl_get_interfaces(lldpctl_conn_t *conn); /** * Retrieve the information related to the local chassis. * * @param conn Previously allocated handler to a connection to lldpd. * @return Atom related to the local chassis which may be used in subsequent functions. * * This function may have to do IO to get the information related to the local * chassis. Depending on the IO mode, information may not be available right now * and the function should be called again later. If @c NULL is returned, check * what the last error is. If it is @c LLDPCTL_ERR_WOULDBLOCK, try again later * (when more data is available). */ lldpctl_atom_t *lldpctl_get_local_chassis(lldpctl_conn_t *conn); /** * Retrieve the information related to a given interface. * * @param port The port we want to retrieve information from. This port is an * atom retrieved from an interation on @c lldpctl_get_interfaces(). * @return Atom related to this port which may be used in subsequent functions. * * This function may have to do IO to get the information related to the given * port. Depending on the IO mode, information may not be available right now * and the function should be called again later. If @c NULL is returned, check * what the last error is. If it is @c LLDPCTL_ERR_WOULDBLOCK, try again later * (when more data is available). */ lldpctl_atom_t *lldpctl_get_port(lldpctl_atom_t *port); /** * Retrieve the default port information. * * This port contains default settings whenever a new port needs to be created. * * @param conn Previously allocated handler to a connection to lldpd. * @return Atom of the default port which may be used in subsequent functions. * * This function may have to do IO to get the information related to the given * port. Depending on the IO mode, information may not be available right now * and the function should be called again later. If @c NULL is returned, check * what the last error is. If it is @c LLDPCTL_ERR_WOULDBLOCK, try again later * (when more data is available). */ lldpctl_atom_t *lldpctl_get_default_port(lldpctl_conn_t *conn); /**@}*/ /** * Piece of information that can be retrieved from/written to an atom. * * Each piece of information can potentially be retrieved as an atom (A), a * string (S), a buffer (B) or an integer (I). Additionaly, when an information * can be retrieved as an atom, it is usually iterable (L). When an atom can be * retrieved as a string and as an additional type, the string is expected to be * formatted. For example, the MAC address of a local port can be retrieved as a * buffer and a string. As a string, you'll get something like * "00:11:22:33:44:55". Also, all values that can be get as an integer or a * buffer can be get as a string too. There is no special formatting in this * case. "(BS)" means that the string get a special appropriate format. * * The name of a key is an indication on the type of atom that information can * be extracted from. For example, @c lldpctl_k_med_policy_type can be extracted * from an atom you got by iterating on @c lldpctl_k_port_med_policies. On the * other hand, @c lldpctl_k_port_descr and @c lldpctl_k_chassis can be retrieved * from an atom retrieved either by iterating @c lldpctl_k_port_neighbors or * with @c lldpctl_get_port(). * * Some values may be written. They are marked with (W). Such a change may or * may not be transmitted immediatly. If they are not transmitted immediatly, * this means that the resulting atom should be written to another atom. For * example, when writting @c lldpctl_k_med_policy_tagged, you need to write the * resulting atom to @c lldpctl_k_port_med_policies. If the change is * transmitted immediatly, you need to check the error status of the connection * to know if it has been transmitted correctly. Notably, if you get @c * LLDPCTL_ERR_WOULDBLOCK, you need to try again later. Usually, changes are * transmitted immediatly. The exception are changes that need to be grouped to * be consistent, like a LLDP MED location. When a change is transmitted * immediatly, it is marked with (O). @c lldpctl_atom_set_str() may accept a @c * NULL value. This case is marked with (N) and usually reset the item to the * default value or no value. * * Some values may also be created. They are flagged with (C). This only applies * to elements that can be iterated (L) and written (W). The element created * still needs to be appended to the list by being written to it. The creation * is done with @c lldpctl_atom_create(). * * An atom marked with (S) can be retrieved as a string only. It cannot be * written. An atom marked with (IS) can be retrieved as an integer and features * an appropriate representation as a string (usually, the name of a constant) * which is more meaningful than just the integer. An atom marked as (I) can be * retrieved as an integer and as a string. In the later case, this is just a * string representation of the integer. An atom marked with (AL) can be * retrieved as an atom only and can be iterated over. This is usually a list of * things. An atom marked (I,W) can be read as an integer or a string and can be * written as an integer. The change would not be commited until the atom is * written to the nearest atom supporting (A,WO) operation (eventually with an * indirection, i.e first write to a (A,W), then to a (A,WO)). */ typedef enum { lldpctl_k_config_tx_interval, /**< `(I,WO)` Transmit interval. When set to -1, it is meant to transmit now. */ lldpctl_k_config_receiveonly, /**< `(I)` Receive only mode */ lldpctl_k_config_mgmt_pattern, /**< `(S,WON)` Pattern to choose the management address */ lldpctl_k_config_iface_pattern, /**< `(S,WON)` Pattern of enabled interfaces */ lldpctl_k_config_cid_pattern, /**< `(S)` Interface pattern to choose the chassis ID */ lldpctl_k_config_description, /**< `(S,WON)` Chassis description overridden */ lldpctl_k_config_platform, /**< `(S,WON)` Platform description overridden (CDP) */ lldpctl_k_config_hostname, /**< `(S,WON)` System name overridden */ lldpctl_k_config_advertise_version, /**< `(I)` Advertise version */ lldpctl_k_config_lldpmed_noinventory, /**< `(I)` Disable LLDP-MED inventory */ lldpctl_k_config_paused, /**< `(I,WO)` lldpd is paused */ lldpctl_k_config_fast_start_enabled, /**< `(I,WO)` Is fast start enabled */ lldpctl_k_config_fast_start_interval, /**< `(I,WO)` Start fast transmit interval */ lldpctl_k_config_ifdescr_update, /**< `(I,WO)` Enable or disable setting interface description */ lldpctl_k_config_iface_promisc, /**< `(I,WO)` Enable or disable promiscuous mode on interfaces */ lldpctl_k_config_chassis_cap_advertise, /**< `(I,WO)` Enable or disable chassis capabilities advertisement */ lldpctl_k_config_chassis_mgmt_advertise, /**< `(I,WO)` Enable or disable management addresses advertisement */ lldpctl_k_config_cid_string, /**< `(S,WON)` User defined string for the chassis ID */ lldpctl_k_config_perm_iface_pattern, /**< `(S,WON)` Pattern of permanent interfaces */ lldpctl_k_config_tx_interval_ms, /**< `(I,WO)` Transmit interval in milliseconds. Set to -1 to transmit now. */ lldpctl_k_config_chassis_cap_override, /**< `(I,WO)` Override chassis capabilities */ lldpctl_k_interface_name = 1000, /**< `(S)` The interface name. */ lldpctl_k_port_name = 1100, /**< `(S)` The port name. Only works for a local port. */ lldpctl_k_port_index, /**< `(I)` The port index. Only works for a local port. */ /** * `(AL)` The list of known neighbors for this port. * * A neighbor is in fact a remote port. */ lldpctl_k_port_neighbors = 1200, lldpctl_k_port_protocol, /**< `(IS)` The protocol that was used to retrieve this information. */ lldpctl_k_port_age, /**< `(I)` Age of information, seconds from epoch. */ lldpctl_k_port_id_subtype, /**< `(IS)` The subtype ID of this port. */ lldpctl_k_port_id, /**< `(BS,WO)` The ID of this port. */ lldpctl_k_port_descr, /**< `(S,WO)` The description of this port. */ lldpctl_k_port_hidden, /**< `(I)` Is this port hidden (or should it be displayed?)? */ lldpctl_k_port_status, /**< `(IS,WO)` Operational status of this (local) port */ lldpctl_k_port_chassis, /**< `(A)` Chassis associated to the port */ lldpctl_k_port_ttl, /**< `(I)` TTL for port, 0 if info is attached to chassis */ lldpctl_k_port_vlan_tx, /**< `(I,W)` VLAN tag for TX on port, -1 VLAN disabled */ lldpctl_k_port_dot3_mfs = 1300, /**< `(I)` MFS */ lldpctl_k_port_dot3_aggregid, /**< `(I)` Port aggregation ID */ lldpctl_k_port_dot3_autoneg_support, /**< `(I)` Autonegotiation support. */ lldpctl_k_port_dot3_autoneg_enabled, /**< `(I)` Autonegotiation enabled. */ lldpctl_k_port_dot3_autoneg_advertised, /**< `(I)` Advertised protocols. See `LLDP_DOT3_LINK_AUTONEG_*` */ lldpctl_k_port_dot3_mautype, /**< `(IS)` Current MAU type. See `LLDP_DOT3_MAU_*` */ lldpctl_k_port_dot3_power = 1400, /**< `(A,WO)` Dot3 power related stuff. */ lldpctl_k_dot3_power_devicetype, /**< `(IS,W)` Device type. See `LLDP_DOT3_POWER_PSE/PD` */ lldpctl_k_dot3_power_supported, /**< `(I,W)` Is MDI power supported. */ lldpctl_k_dot3_power_enabled, /**< `(I,W)` Is MDI power enabled. */ lldpctl_k_dot3_power_paircontrol, /**< `(I,W)` Pair-control enabled? */ lldpctl_k_dot3_power_pairs, /**< `(IS,W)` See `LLDP_DOT3_POWERPAIRS_*` */ lldpctl_k_dot3_power_class, /**< `(IS,W)` Power class. */ lldpctl_k_dot3_power_type, /**< `(I,W)` 802.3AT power type */ lldpctl_k_dot3_power_source, /**< `(IS,W)` 802.3AT power source */ lldpctl_k_dot3_power_priority, /**< `(IS,W)` 802.3AT power priority */ lldpctl_k_dot3_power_allocated, /**< `(I,W)` 802.3AT power allocated */ lldpctl_k_dot3_power_requested, /**< `(I,W)` 802.3AT power requested */ /* 802.3bt additions */ lldpctl_k_dot3_power_pd_4pid, /**< `(IS)` 802.3BT both modes supported? */ lldpctl_k_dot3_power_requested_a, /**< `(I)` 802.3BT power value requested for A */ lldpctl_k_dot3_power_requested_b, /**< `(I)` 802.3BT power value requested for B */ lldpctl_k_dot3_power_allocated_a, /**< `(I)` 802.3BT power value allocated for A */ lldpctl_k_dot3_power_allocated_b, /**< `(I)` 802.3BT power value allocated for B */ lldpctl_k_dot3_power_pse_status, /**< `(IS)` 802.3BT PSE powering status */ lldpctl_k_dot3_power_pd_status, /**< `(IS)` 802.3BT PD powering status */ lldpctl_k_dot3_power_pse_pairs_ext, /**< `(IS)` 802.3BT PSE power pairs */ lldpctl_k_dot3_power_class_a, /**< `(IS)` 802.3BT power class for A */ lldpctl_k_dot3_power_class_b, /**< `(IS)` 802.3BT power class for B */ lldpctl_k_dot3_power_class_ext, /**< `(IS)` 802.3BT power class */ lldpctl_k_dot3_power_type_ext, /**< `(IS)` 802.3BT power type */ lldpctl_k_dot3_power_pd_load, /**< `(IS)` 802.3BT dualsig isolated? */ lldpctl_k_dot3_power_pse_max, /**< `(I)` 802.3BT maximum available power */ lldpctl_k_port_vlan_pvid = 1500, /**< `(I)` Primary VLAN ID */ lldpctl_k_port_vlans, /**< `(AL)` List of VLAN */ lldpctl_k_vlan_id, /**< `(I)` VLAN ID */ lldpctl_k_vlan_name, /**< `(S)` VLAN name */ lldpctl_k_port_ppvids = 1600, /**< `(AL)` List of PPVIDs */ lldpctl_k_ppvid_status, /**< `(I)` Status of PPVID (see `LLDP_PPVID_CAP_*`) */ lldpctl_k_ppvid_id, /**< `(I)` ID of PPVID */ lldpctl_k_port_pis = 1700, /**< `(AL)` List of PIDs */ lldpctl_k_pi_id, /**< `(B)` PID value */ lldpctl_k_chassis_index = 1800, /**< `(I)` The chassis index. */ lldpctl_k_chassis_id_subtype, /**< `(IS)` The subtype ID of this chassis. */ lldpctl_k_chassis_id, /**< `(BS)` The ID of this chassis. */ lldpctl_k_chassis_name, /**< `(S)` The name of this chassis. */ lldpctl_k_chassis_descr, /**< `(S)` The description of this chassis. */ lldpctl_k_chassis_cap_available, /**< `(I)` Available capabilities (see `LLDP_CAP_*`) */ lldpctl_k_chassis_cap_enabled, /**< `(I)` Enabled capabilities (see `LLDP_CAP_*`) */ lldpctl_k_chassis_mgmt, /**< `(AL)` List of management addresses */ lldpctl_k_chassis_ttl, /**< Deprecated */ lldpctl_k_chassis_med_type = 1900, /**< `(IS)` Chassis MED type. See `LLDP_MED_CLASS_*` */ lldpctl_k_chassis_med_cap, /**< `(I)` Available MED capabilities. See `LLDP_MED_CAP_*` */ lldpctl_k_chassis_med_inventory_hw, /**< `(S,W)` LLDP MED inventory "Hardware Revision" */ lldpctl_k_chassis_med_inventory_sw, /**< `(S,W)` LLDP MED inventory "Software Revision" */ lldpctl_k_chassis_med_inventory_fw, /**< `(S,W)` LLDP MED inventory "Firmware Revision" */ lldpctl_k_chassis_med_inventory_sn, /**< `(S,W)` LLDP MED inventory "Serial Number" */ lldpctl_k_chassis_med_inventory_manuf, /**< `(S,W)` LLDP MED inventory "Manufacturer" */ lldpctl_k_chassis_med_inventory_model, /**< `(S,W)` LLDP MED inventory "Model" */ lldpctl_k_chassis_med_inventory_asset, /**< `(S,W)` LLDP MED inventory "Asset ID" */ lldpctl_k_port_med_policies = 2000, /**< `(AL,WO)` MED policies attached to a port. */ lldpctl_k_med_policy_type, /**< `(IS,W)` MED policy app type. See `LLDP_MED_APPTYPE_*`. 0 if a policy is not defined. */ lldpctl_k_med_policy_unknown, /**< `(I,W)` Is MED policy defined? */ lldpctl_k_med_policy_tagged, /**< `(I,W)` MED policy tagging */ lldpctl_k_med_policy_vid, /**< `(I,W)` MED policy VID */ lldpctl_k_med_policy_priority, /**< `(I,W)` MED policy priority */ lldpctl_k_med_policy_dscp, /**< `(I,W)` MED policy DSCP */ lldpctl_k_port_med_locations = 2100, /**< `(AL,WO)` MED locations attached to a port. */ lldpctl_k_med_location_format, /**< `(IS,W)` MED location format. See * `LLDP_MED_LOCFORMAT_*`. 0 if this * location is not defined. When written, * the following fields will be zeroed * out. */ lldpctl_k_med_location_geoid, /**< `(IS,W)` MED geoid. See `LLDP_MED_LOCATION_GEOID_*`. Only if format is COORD. */ lldpctl_k_med_location_latitude, /**< `(S,W)` MED latitude. Only if format is COORD. */ lldpctl_k_med_location_longitude, /**< `(S,W)` MED longitude. Only if format is COORD. */ lldpctl_k_med_location_altitude, /**< `(S,W)` MED altitude. Only if format is COORD. */ lldpctl_k_med_location_altitude_unit, /**< `(S,W)` MED altitude unit. See * `LLDP_MED_LOCATION_ALTITUDE_UNIT_*`. * Only if format is COORD. */ lldpctl_k_med_location_country = 2200, /**< `(S,W)` MED country. Only if format is CIVIC. */ lldpctl_k_med_location_elin, /**< `(S,W)` MED ELIN. Only if format is ELIN. */ lldpctl_k_med_location_ca_elements = 2300, /**< `(AL,WC)` MED civic address elements. Only if format is CIVIC */ lldpctl_k_med_civicaddress_type, /**< `(IS,W)` MED civic address type. */ lldpctl_k_med_civicaddress_value, /**< `(S,W)` MED civic address value. */ lldpctl_k_port_med_power = 2400, /**< `(A,WO)` LLDP-MED power related stuff. */ lldpctl_k_med_power_type, /**< `(IS,W)` LLDP MED power device type. See `LLDP_MED_POW_TYPE_*` */ lldpctl_k_med_power_source, /**< `(IS,W)` LLDP MED power source. See `LLDP_MED_POW_SOURCE_*` */ lldpctl_k_med_power_priority, /**< `(IS,W)` LLDP MED power priority. See `LLDP_MED_POW_PRIO_*` */ lldpctl_k_med_power_val, /**< `(I,W)` LLDP MED power value */ lldpctl_k_mgmt_ip = 3000, /**< `(S)` IP address */ lldpctl_k_mgmt_iface_index = 30001, /**< `(I)` Interface index */ lldpctl_k_tx_cnt = 4000, /**< `(I)` tx cnt. Only works for a local port. */ lldpctl_k_rx_cnt, /**< `(I)` rx cnt. Only works for a local port. */ lldpctl_k_rx_discarded_cnt, /**< `(I)` discarded cnt. Only works for a local port. */ lldpctl_k_rx_unrecognized_cnt, /**< `(I)` unrecognized cnt. Only works for a local port. */ lldpctl_k_ageout_cnt, /**< `(I)` ageout cnt. Only works for a local port. */ lldpctl_k_insert_cnt, /**< `(I)` insert cnt. Only works for a local port. */ lldpctl_k_delete_cnt, /**< `(I)` delete cnt. Only works for a local port. */ lldpctl_k_config_tx_hold, /**< `(I,WO)` Transmit hold interval. */ lldpctl_k_config_bond_slave_src_mac_type, /**< `(I,WO)` bond slave src mac type. */ lldpctl_k_config_lldp_portid_type, /**< `(I,WO)` LLDP PortID TLV Subtype */ lldpctl_k_config_lldp_agent_type, /**< `(I,WO)` LLDP agent type */ lldpctl_k_config_max_neighbors, /**< `(I,WO)`Maximum number of neighbors per port. */ lldpctl_k_custom_tlvs = 5000, /**< `(AL)` custom TLVs */ lldpctl_k_custom_tlvs_clear, /**< `(WO)` clear list of custom TLVs */ lldpctl_k_custom_tlv, /**< `(AL,WO)` custom TLV **/ lldpctl_k_custom_tlv_oui, /**< `(B,W)` custom TLV Organizationally Unique Identifier. Default is 0 (3 bytes) */ lldpctl_k_custom_tlv_oui_subtype, /**< `(I,W)` custom TLV subtype. Default is 0 (1 byte) */ lldpctl_k_custom_tlv_oui_info_string, /**< `(BS,W)` custom TLV Organizationally Unique Identifier Information String (up to 507 bytes) */ lldpctl_k_custom_tlv_op, /**< `(S,W)` custom TLV operation */ } lldpctl_key_t; /** * Get a map related to a key. * * Many keys expect to be written with a discrete number of values. Take for * example @c lldpctl_k_med_civicaddress_type, it can take any integer between 1 * and 128. However, each integer can be named. It can be useful for an * application to get a translation between the integer that can be provided and * a more human-readable name. This function allows to retrieve the * corresponding map. * * @param key The piece of information we want a map from. * @return The map or @c NULL if no map is available. * * The returned map has its last element set to 0. It is also expected that the * string value can be used with a set operation. It will be translated to the * integer value. */ lldpctl_map_t *lldpctl_key_get_map(lldpctl_key_t key); /** * Retrieve a bit of information as an atom. * * @param atom The atom we want to query. * @param key The information we want from the atom. * @return The atom representing the requested information or @c NULL if the * information is not available. * * Not every value of @c info will be available as an atom. See the * documentation of @c lldpctl_key_t for values accepting to be extracted as an * atom. Usually, this is only iterable values or values representing a complex * object. * * The provided atom is not a _borrowed_ reference. You need to decrement the * reference count when you don't need it anymore. * * As a convenience, this function will return @c NULL if the first parameter is * @c NULL and no error will be raised. */ lldpctl_atom_t *lldpctl_atom_get(lldpctl_atom_t *atom, lldpctl_key_t key); /** * Set a bit of information with an atom. * * @param atom The atom we want to write to. * @param key The key information we want to write. * @param value The value of the information we want to write. * @return The updated atom with the appropriate information. * * This function will return @c NULL in case of error. If the last error is @c * LLDPCTL_ERR_WOULDBLOCK, the write should be retried later with the exact same * parameters. LLDPCTL_ERR_BAD_VALUE is raised when the provided atom is not * correct. */ lldpctl_atom_t *lldpctl_atom_set(lldpctl_atom_t *atom, lldpctl_key_t key, lldpctl_atom_t *value); /** * Retrieve a bit of information as a null-terminated string. * * @param atom The atom we want to query. * @param key The information we want from the atom. * @return The requested string or @c NULL if the information is not available. * * Not every value of @c info will be available as a string. See the * documentation of @c lldpctl_key_t for values accepting to be extracted as a * string. Usually, only piece of information stored as string are available in * this form but sometimes, you can get a nice formatted string instead of an * integer with this function. * * As a convenience, this function will return @c NULL if the first parameter is * @c NULL and no error will be raised. * * The provided string may live inside the atom providing it. If you need it * longer, duplicate it. */ const char *lldpctl_atom_get_str(lldpctl_atom_t *atom, lldpctl_key_t key); /** * Set a bit of information using a null-terminated string. * * @param atom The atom we want to write to. * @param key The key information we want to write. * @param value The value of the information we want to write. * @return The updated atom with the appropriate information. * * This function will return @c NULL in case of error. If the last error is @c * LLDPCTL_ERR_WOULDBLOCK, the write should be retried later with the exact same * parameters. LLDPCTL_ERR_BAD_VALUE is raised when the provided atom is not * correct. */ lldpctl_atom_t *lldpctl_atom_set_str(lldpctl_atom_t *atom, lldpctl_key_t key, const char *value); /** * Retrieve a bit of information as a buffer. * * @param atom The atom we want to query. * @param key The information we want from the atom. * @param[out] length The size of the returned buffer. * @return The requested buffer or @c NULL if the information is not available. * * Not every value of @c info will be available as a buffer. See the * documentation of @c lldpctl_key_t for values accepting to be extracted as a * string. Usually, only piece of information stored as buffer are available in * this form. * * As a convenience, this function will return @c NULL if the first parameter is * @c NULL and no error will be raised. If this function returns @c NULL, the * third parameter is set to 0. * * The provided buffer may live inside the atom providing it. If you need it * longer, duplicate it. */ const uint8_t *lldpctl_atom_get_buffer(lldpctl_atom_t *atom, lldpctl_key_t key, size_t *length); /** * Set a bit of information using a buffer * * @param atom The atom we want to write to. * @param key The key information we want to write. * @param value The value of the information we want to write. * @param length The length of the provided buffer. * @return The updated atom with the appropriate information. * * This function will return @c NULL in case of error. If the last error is @c * LLDPCTL_ERR_WOULDBLOCK, the write should be retried later with the exact same * parameters. LLDPCTL_ERR_BAD_VALUE is raised when the provided atom is not * correct. */ lldpctl_atom_t *lldpctl_atom_set_buffer(lldpctl_atom_t *atom, lldpctl_key_t key, const uint8_t *value, size_t length); /** * Retrieve a bit of information as an integer. * * @param atom The atom we want to query. * @param key The information we want from the atom. * @return The requested integer or -1 if the information is not available * * Not every value of @c info will be available as an integer. See the * documentation of @c lldpctl_key_t for values accepting to be extracted as a * string. Usually, only piece of information stored as an integer are available * in this form. * * Only @c lldpctl_last_error() can tell if the returned value is an error or * not. However, most values extracted from lldpd cannot be negative. */ long int lldpctl_atom_get_int(lldpctl_atom_t *atom, lldpctl_key_t key); /** * Set a bit of information using an integer * * @param atom The atom we want to write to. * @param key The key information we want to write. * @param value The value of the information we want to write. * @return The updated atom with the appropriate information. * * This function will return @c NULL in case of error. If the last error is @c * LLDPCTL_ERR_WOULDBLOCK, the write should be retried later with the exact same * parameters. LLDPCTL_ERR_BAD_VALUE is raised when the provided atom is not * correct. */ lldpctl_atom_t *lldpctl_atom_set_int(lldpctl_atom_t *atom, lldpctl_key_t key, long int value); /** * @defgroup liblldpctl_atom_iter Iterating over atoms * * Iterate over atoms (lists). * * @{ */ /** * Iterator over an iterable atom (a list of ports, a list of VLAN, ...). When * an atom is a list, it can be iterated over to extract the appropriate values. * * @see lldpctl_atom_iter(), lldpctl_atom_iter_next(), lldpctl_atom_iter_value() */ typedef struct lldpctl_atom_iter_t lldpctl_atom_iter_t; /** * Return an iterator over a given atom. * * If an atom is iterable (if it is a list, like a list of ports, a list of * VLAN, a list of neighbors), it is possible to iterate over it. First use this * function to get an iterator then use @c lldpctl_atom_iter_next() to get the * next item and @c lldpctl_atom_iter_value() to the actuel item. * * @param atom The atom we want to create an iterator from. * @return The iterator or @c NULL if an error happened or if the atom is empty * (check with @c lldpctl_last_error()). * * As a convenience, if the provided atom is @c NULL, this function will return * @c NULL and no error will be raised. */ lldpctl_atom_iter_t *lldpctl_atom_iter(lldpctl_atom_t *atom); /** * Return the next element of an iterator. * * @param atom The atom we are currently iterating. * @param iter The iterator we want the next element from. * @return An iterator starting on the next element or @c NULL if we have no * more elements * * @see lldpctl_atom_iter(), lldpctl_atom_iter_value(). * * As a convenience, if the provided atom is @c NULL, this function will return * @c NULL and no error will be raised. */ lldpctl_atom_iter_t *lldpctl_atom_iter_next(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter); /** * Return the value of an iterator. * * @param atom The atom we are currently iterating. * @param iter The iterator we want the next element from. * @return The atom currently associated with the iterator. * * @see lldpctl_atom_iter(), lldpctl_atom_iter_next(). */ lldpctl_atom_t *lldpctl_atom_iter_value(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter); /** * Convenience macro to iter over every value of an iterable object. * * @param atom The atom you want to iterate on. * @param value Atom name that will be used to contain each value. * * This macro behaves as a for loop. Moreover, at the end of each iteration, the * reference count of the provided value is decremented. If you need to use it * outside of the loop, you need to increment it. */ #define lldpctl_atom_foreach(atom, value) \ for (lldpctl_atom_iter_t *iter##_LINE_ = lldpctl_atom_iter(atom); \ iter##_LINE_ && (value = lldpctl_atom_iter_value(atom, iter##_LINE_)); \ iter##_LINE_ = lldpctl_atom_iter_next(atom, iter##_LINE_), \ lldpctl_atom_dec_ref(value)) /** * Create a new value for an iterable element. * * The value is meant to be appended using @c lldpctl_atom_set(). Currently, * there is no way to delete an element from a list. It is also not advisable to * use getters on a newly created object until it is fully initialized. If its * internal representation is using a buffer, it may not be initialized until * the first set. * * @param atom The atom we want to create a new element for. * @return The new element. */ lldpctl_atom_t *lldpctl_atom_create(lldpctl_atom_t *atom); /**@}*/ /**@}*/ #ifdef __cplusplus } #endif /**@}*/ #endif lldpd-1.0.18/src/lib/Makefile.am0000644000076400001440000000571114532716672015550 0ustar00bernatusersAM_CFLAGS = -I $(top_srcdir)/include $(LLDP_CFLAGS) AM_CPPFLAGS = $(LLDP_CPPFLAGS) AM_LDFLAGS = $(LLDP_LDFLAGS) lib_LTLIBRARIES = liblldpctl.la include_HEADERS = lldpctl.h noinst_LTLIBRARIES = libfixedpoint.la libfixedpoint_la_SOURCES = fixedpoint.h fixedpoint.c ATOM_FILES = \ atoms/config.c atoms/dot1.c atoms/dot3.c \ atoms/interface.c atoms/med.c atoms/mgmt.c atoms/port.c \ atoms/custom.c atoms/chassis.c liblldpctl_la_SOURCES = \ lldpctl.h atom.h helpers.h \ errors.c connection.c atom.c helpers.c \ $(ATOM_FILES) nodist_liblldpctl_la_SOURCES = atom-glue.c liblldpctl_la_LIBADD = $(top_builddir)/src/libcommon-daemon-lib.la libfixedpoint.la atom-glue.c: $(ATOM_FILES) Makefile $(AM_V_GEN)(for f in $(ATOM_FILES:%=$(srcdir)/%); do \ $(CPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) $$f; done | \ $(SED) -n 's+^void init_atom_builder_\([^(]*\)(void).*, \([0-9]*\)).*+\2 \1+p' | \ sort | \ $(AWK) '{ atoms[$$2] = 1 } \ END { for (atom in atoms) { print "void init_atom_builder_"atom"(void);" } \ print "void init_atom_builder(void);"; \ print "void init_atom_builder(void) {"; \ print " static int init = 0; if (init) return; init++;"; \ for (atom in atoms) { print " init_atom_builder_"atom"();" } \ print "}"; }' && \ for f in $(ATOM_FILES:%=$(srcdir)/%); do \ $(CPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) $$f; done | \ $(SED) -n 's+^void init_atom_map_\([^(]*\)(void).*, \([0-9]*\)).*+\2 \1+p' | \ sort -n | \ $(AWK) '{ atoms[$$2] = 1 } \ END { for (atom in atoms) { print "void init_atom_map_"atom"(void);" } \ print "void init_atom_map(void);"; \ print "void init_atom_map(void) {"; \ print " static int init = 0; if (init) return; init++;"; \ for (atom in atoms) { print " init_atom_map_"atom"();" } \ print "}"; }' ) \ > $@.tmp $(AM_V_at)$(GREP) -q init_atom_builder_ $@.tmp $(AM_V_at)$(GREP) -q init_atom_map_ $@.tmp $(AM_V_at)mv $@.tmp $@ CLEANFILES = atom-glue.c # -version-info format is `current`:`revision`:`age`. For more details, see: # https://www.sourceware.org/autobook/autobook/autobook_61.html#Library-Versioning # # -version-number could be computed from -version-info, mostly major # is `current` - `age`, minor is `age` and revision is `revision' and # major.minor should be used when updating lldpctl.map. liblldpctl_la_LDFLAGS = $(AM_LDFLAGS) -version-info 13:1:9 liblldpctl_la_DEPENDENCIES = libfixedpoint.la if HAVE_LD_VERSION_SCRIPT liblldpctl_la_DEPENDENCIES += lldpctl.map liblldpctl_la_LDFLAGS += -Wl,--version-script=$(srcdir)/lldpctl.map else liblldpctl_la_LDFLAGS += -export-symbols-regex '^lldpctl_' endif pkgconfig_DATA = lldpctl.pc TEMPLATES = lldpctl.pc EXTRA_DIST = lldpctl.pc.in lldpctl.map CLEANFILES += $(TEMPLATES) lldpctl.pc: lldpctl.pc.in include $(top_srcdir)/edit.am lldpd-1.0.18/src/lib/fixedpoint.h0000644000076400001440000000264714532716672016043 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #if HAVE_CONFIG_H # include #endif #if !defined FIXEDPOINT_H && defined ENABLE_LLDPMED # define FIXEDPOINT_H struct fp_number { struct { long long value; unsigned bits; } integer; struct { long long value; unsigned bits; unsigned precision; } fraction; }; struct fp_number fp_strtofp(const char *, char **, unsigned, unsigned); struct fp_number fp_buftofp(const unsigned char *, unsigned, unsigned, unsigned); struct fp_number fp_negate(struct fp_number); char *fp_fptostr(struct fp_number, const char *); void fp_fptobuf(struct fp_number, unsigned char *, unsigned); #endif lldpd-1.0.18/src/lib/connection.c0000644000076400001440000001714414532716672016022 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include "lldpctl.h" #include "atom.h" #include "../compat/compat.h" #include "../ctl.h" #include "../log.h" const char * lldpctl_get_default_transport(void) { return LLDPD_CTL_SOCKET; } /* Connect to the remote end */ static int sync_connect(lldpctl_conn_t *lldpctl) { return ctl_connect(lldpctl->ctlname); } /* Synchronously send data to remote end. */ static ssize_t sync_send(lldpctl_conn_t *lldpctl, const uint8_t *data, size_t length, void *user_data) { struct lldpctl_conn_sync_t *conn = user_data; ssize_t nb; if (conn->fd == -1 && ((conn->fd = sync_connect(lldpctl)) == -1)) { return LLDPCTL_ERR_CANNOT_CONNECT; } while ((nb = write(conn->fd, data, length)) == -1) { if (errno == EAGAIN || errno == EINTR) continue; return LLDPCTL_ERR_CALLBACK_FAILURE; } return nb; } /* Statically receive data from remote end. */ static ssize_t sync_recv(lldpctl_conn_t *lldpctl, const uint8_t *data, size_t length, void *user_data) { struct lldpctl_conn_sync_t *conn = user_data; ssize_t nb; size_t remain, offset = 0; if (conn->fd == -1 && ((conn->fd = sync_connect(lldpctl)) == -1)) { lldpctl->error = LLDPCTL_ERR_CANNOT_CONNECT; return LLDPCTL_ERR_CANNOT_CONNECT; } remain = length; do { if ((nb = read(conn->fd, (unsigned char *)data + offset, remain)) == -1) { if (errno == EAGAIN || errno == EINTR) continue; return LLDPCTL_ERR_CALLBACK_FAILURE; } remain -= nb; offset += nb; } while (remain > 0 && nb != 0); return offset; } lldpctl_conn_t * lldpctl_new(lldpctl_send_callback send, lldpctl_recv_callback recv, void *user_data) { return lldpctl_new_name(lldpctl_get_default_transport(), send, recv, user_data); } lldpctl_conn_t * lldpctl_new_name(const char *ctlname, lldpctl_send_callback send, lldpctl_recv_callback recv, void *user_data) { lldpctl_conn_t *conn = NULL; struct lldpctl_conn_sync_t *data = NULL; /* Both callbacks are mandatory or should be NULL. */ if (send && !recv) return NULL; if (recv && !send) return NULL; if ((conn = calloc(1, sizeof(lldpctl_conn_t))) == NULL) return NULL; conn->ctlname = strdup(ctlname); if (conn->ctlname == NULL) { free(conn); return NULL; } if (!send && !recv) { if ((data = malloc(sizeof(struct lldpctl_conn_sync_t))) == NULL) { free(conn->ctlname); free(conn); return NULL; } data->fd = -1; conn->send = sync_send; conn->recv = sync_recv; conn->user_data = data; } else { conn->send = send; conn->recv = recv; conn->user_data = user_data; } return conn; } int lldpctl_release(lldpctl_conn_t *conn) { if (conn == NULL) return 0; free(conn->ctlname); if (conn->send == sync_send) { struct lldpctl_conn_sync_t *data = conn->user_data; if (data->fd != -1) close(data->fd); free(conn->user_data); } free(conn->input_buffer); free(conn->output_buffer); free(conn); return 0; } /** * Request some bytes if they are not already here. * * @param conn The connection to lldpd. * @param length The number of requested bytes. * @return A negative integer if we can't have the bytes or the number of bytes we got. */ ssize_t _lldpctl_needs(lldpctl_conn_t *conn, size_t length) { uint8_t *buffer; ssize_t rc; if ((buffer = calloc(1, length)) == NULL) return SET_ERROR(conn, LLDPCTL_ERR_NOMEM); rc = conn->recv(conn, buffer, length, conn->user_data); if (rc < 0) { free(buffer); return SET_ERROR(conn, rc); } if (rc == 0) { free(buffer); return SET_ERROR(conn, LLDPCTL_ERR_EOF); } rc = lldpctl_recv(conn, buffer, rc); free(buffer); if (rc < 0) return SET_ERROR(conn, rc); RESET_ERROR(conn); return rc; } static int check_for_notification(lldpctl_conn_t *conn) { struct lldpd_neighbor_change *change; void *p; int rc; lldpctl_change_t type; lldpctl_atom_t *interface = NULL, *neighbor = NULL; rc = ctl_msg_recv_unserialized(&conn->input_buffer, &conn->input_buffer_len, NOTIFICATION, &p, &MARSHAL_INFO(lldpd_neighbor_change)); if (rc != 0) return rc; change = p; /* We have a notification, call the callback */ if (conn->watch_cb || conn->watch_cb2) { switch (change->state) { case NEIGHBOR_CHANGE_DELETED: type = lldpctl_c_deleted; break; case NEIGHBOR_CHANGE_ADDED: type = lldpctl_c_added; break; case NEIGHBOR_CHANGE_UPDATED: type = lldpctl_c_updated; break; default: log_warnx("control", "unknown notification type (%d)", change->state); goto end; } interface = _lldpctl_new_atom(conn, atom_interface, change->ifname); if (interface == NULL) goto end; neighbor = _lldpctl_new_atom(conn, atom_port, 0, NULL, change->neighbor, NULL); if (neighbor == NULL) goto end; if (conn->watch_cb) conn->watch_cb(conn, type, interface, neighbor, conn->watch_data); else conn->watch_cb2(type, interface, neighbor, conn->watch_data); conn->watch_triggered = 1; goto end; } end: if (interface) lldpctl_atom_dec_ref(interface); if (neighbor) lldpctl_atom_dec_ref(neighbor); else { lldpd_chassis_cleanup(change->neighbor->p_chassis, 1); lldpd_port_cleanup(change->neighbor, 1); free(change->neighbor); } free(change->ifname); free(change); /* Indicate if more data remains in the buffer for processing */ return (rc); } ssize_t lldpctl_recv(lldpctl_conn_t *conn, const uint8_t *data, size_t length) { RESET_ERROR(conn); if (length == 0) return 0; /* Received data should be appended to the input buffer. */ if (conn->input_buffer == NULL) { conn->input_buffer_len = 0; if ((conn->input_buffer = malloc(length)) == NULL) return SET_ERROR(conn, LLDPCTL_ERR_NOMEM); } else { uint8_t *new = realloc(conn->input_buffer, conn->input_buffer_len + length); if (new == NULL) return SET_ERROR(conn, LLDPCTL_ERR_NOMEM); conn->input_buffer = new; } memcpy(conn->input_buffer + conn->input_buffer_len, data, length); conn->input_buffer_len += length; /* Read all notifications */ while (!check_for_notification(conn)) ; RESET_ERROR(conn); return conn->input_buffer_len; } int lldpctl_process_conn_buffer(lldpctl_conn_t *conn) { int rc; rc = check_for_notification(conn); RESET_ERROR(conn); return rc; } ssize_t lldpctl_send(lldpctl_conn_t *conn) { /* Send waiting data. */ ssize_t rc; RESET_ERROR(conn); if (!conn->output_buffer) return 0; rc = conn->send(conn, conn->output_buffer, conn->output_buffer_len, conn->user_data); if (rc < 0) return SET_ERROR(conn, rc); /* "Shrink" the output buffer. */ if (rc == conn->output_buffer_len) { free(conn->output_buffer); conn->output_buffer = NULL; conn->output_buffer_len = 0; RESET_ERROR(conn); return rc; } conn->output_buffer_len -= rc; memmove(conn->output_buffer, conn->output_buffer + rc, conn->output_buffer_len); /* We don't shrink the buffer. It will be either freed or shrinked later */ RESET_ERROR(conn); return rc; } lldpd-1.0.18/src/lib/helpers.c0000644000076400001440000000373414532716672015325 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2015 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "lldpctl.h" #include "../log.h" #include "atom.h" #include "helpers.h" const char * map_lookup(lldpctl_map_t *list, int n) { unsigned int i; for (i = 0; list[i].string != NULL; i++) { if (list[i].value == n) { return list[i].string; } } return "unknown"; } int map_reverse_lookup(lldpctl_map_t *list, const char *string) { if (!string) return -1; for (unsigned int i = 0; list[i].string != NULL; i++) { if (!strcasecmp(list[i].string, string)) return list[i].value; } return -1; } int _lldpctl_atom_new_any_list(lldpctl_atom_t *atom, va_list ap) { struct _lldpctl_atom_any_list_t *plist = (struct _lldpctl_atom_any_list_t *)atom; plist->parent = va_arg(ap, struct _lldpctl_atom_port_t *); lldpctl_atom_inc_ref((lldpctl_atom_t *)plist->parent); return 1; } void _lldpctl_atom_free_any_list(lldpctl_atom_t *atom) { struct _lldpctl_atom_any_list_t *plist = (struct _lldpctl_atom_any_list_t *)atom; lldpctl_atom_dec_ref((lldpctl_atom_t *)plist->parent); } char * xstrdup(const char *str) { if (!str) return NULL; return strdup(str); } lldpd-1.0.18/src/lib/errors.c0000644000076400001440000000454214532716672015175 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpctl.h" #include "atom.h" #include "../log.h" const char * lldpctl_strerror(lldpctl_error_t error) { /* No default case to let the compiler warns us if we miss an error code. */ switch (error) { case LLDPCTL_NO_ERROR: return "No error"; case LLDPCTL_ERR_WOULDBLOCK: return "Requested operation would block"; case LLDPCTL_ERR_EOF: return "End of file reached"; case LLDPCTL_ERR_NOT_EXIST: return "The requested information does not exist"; case LLDPCTL_ERR_CANNOT_CONNECT: return "Unable to connect to lldpd daemon"; case LLDPCTL_ERR_INCORRECT_ATOM_TYPE: return "Provided atom is of incorrect type"; case LLDPCTL_ERR_SERIALIZATION: return "Error while serializing or unserializing data"; case LLDPCTL_ERR_INVALID_STATE: return "Other input/output operation already in progress"; case LLDPCTL_ERR_CANNOT_ITERATE: return "Cannot iterate on this atom"; case LLDPCTL_ERR_CANNOT_CREATE: return "Cannot create a new element for this atom"; case LLDPCTL_ERR_BAD_VALUE: return "Provided value is invalid"; case LLDPCTL_ERR_FATAL: return "Unexpected fatal error"; case LLDPCTL_ERR_NOMEM: return "Not enough memory available"; case LLDPCTL_ERR_CALLBACK_FAILURE: return "A failure occurred during callback processing"; } return "Unknown error code"; } lldpctl_error_t lldpctl_last_error(lldpctl_conn_t *lldpctl) { return lldpctl->error; } void lldpctl_log_callback(void (*cb)(int severity, const char *msg)) { log_register(cb); } void lldpctl_log_level(int level) { if (level >= 1) log_level(level - 1); } lldpd-1.0.18/src/lib/atom.c0000644000076400001440000004075714532716672014631 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include "lldpctl.h" #include "atom.h" #include "../log.h" #include "../marshal.h" #include "../ctl.h" lldpctl_conn_t * lldpctl_atom_get_connection(lldpctl_atom_t *atom) { if (atom) return atom->conn; return NULL; } void lldpctl_atom_inc_ref(lldpctl_atom_t *atom) { if (atom) atom->count++; } void lldpctl_atom_dec_ref(lldpctl_atom_t *atom) { struct atom_buffer *buffer, *buffer_next; if (atom && (--atom->count == 0)) { if (atom->free) atom->free(atom); /* Remove special allocated buffers */ for (buffer = TAILQ_FIRST(&atom->buffers); buffer; buffer = buffer_next) { buffer_next = TAILQ_NEXT(buffer, next); free(buffer); } free(atom); } } lldpctl_atom_t * lldpctl_atom_get(lldpctl_atom_t *atom, lldpctl_key_t key) { if (atom == NULL) return NULL; RESET_ERROR(atom->conn); if (atom->get == NULL) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return atom->get(atom, key); } lldpctl_atom_t * lldpctl_atom_set(lldpctl_atom_t *atom, lldpctl_key_t key, lldpctl_atom_t *value) { if (atom == NULL) return NULL; RESET_ERROR(atom->conn); if (atom->set == NULL) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return atom->set(atom, key, value); } const char * lldpctl_atom_get_str(lldpctl_atom_t *atom, lldpctl_key_t key) { char *strresult = NULL; const uint8_t *bufresult = NULL; long int intresult = -1; int n1; size_t n2; if (atom == NULL) return NULL; RESET_ERROR(atom->conn); if (atom->get_str != NULL) { strresult = (char *)atom->get_str(atom, key); if (strresult) return strresult; if (lldpctl_last_error(atom->conn) != LLDPCTL_ERR_NOT_EXIST) return NULL; } RESET_ERROR(atom->conn); if (atom->get_int != NULL) { intresult = atom->get_int(atom, key); if (lldpctl_last_error(atom->conn) != LLDPCTL_ERR_NOT_EXIST) { strresult = _lldpctl_alloc_in_atom(atom, 21); if (!strresult) return NULL; n1 = snprintf(strresult, 21, "%ld", intresult); if (n1 > -1 && n1 < 21) return strresult; SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM); /* Not really true... */ return NULL; } } RESET_ERROR(atom->conn); if (atom->get_buffer != NULL) { bufresult = atom->get_buffer(atom, key, &n2); if (bufresult) return _lldpctl_dump_in_atom(atom, bufresult, n2, ' ', 0); if (lldpctl_last_error(atom->conn) != LLDPCTL_ERR_NOT_EXIST) return NULL; } SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } lldpctl_atom_t * lldpctl_atom_set_str(lldpctl_atom_t *atom, lldpctl_key_t key, const char *value) { lldpctl_atom_t *result = NULL; const char *errstr; long long converted = 0; int isint = 0; int bad = 0; if (atom == NULL) return NULL; RESET_ERROR(atom->conn); if (atom->set_str != NULL) { result = atom->set_str(atom, key, value); if (result) return result; if (lldpctl_last_error(atom->conn) != LLDPCTL_ERR_NOT_EXIST && lldpctl_last_error(atom->conn) != LLDPCTL_ERR_BAD_VALUE) return NULL; bad = bad || (lldpctl_last_error(atom->conn) == LLDPCTL_ERR_BAD_VALUE); } if (value) { converted = strtonum(value, LLONG_MIN, LLONG_MAX, &errstr); isint = (errstr == NULL); } RESET_ERROR(atom->conn); if (atom->set_int != NULL && isint) { result = atom->set_int(atom, key, converted); if (result) return result; if (lldpctl_last_error(atom->conn) != LLDPCTL_ERR_NOT_EXIST && lldpctl_last_error(atom->conn) != LLDPCTL_ERR_BAD_VALUE) return NULL; bad = bad || (lldpctl_last_error(atom->conn) == LLDPCTL_ERR_BAD_VALUE); } RESET_ERROR(atom->conn); if (atom->set_buffer != NULL) { result = atom->set_buffer(atom, key, (u_int8_t *)value, value ? strlen(value) : 0); if (result) return result; if (lldpctl_last_error(atom->conn) != LLDPCTL_ERR_NOT_EXIST && lldpctl_last_error(atom->conn) != LLDPCTL_ERR_BAD_VALUE) return NULL; bad = bad || (lldpctl_last_error(atom->conn) == LLDPCTL_ERR_BAD_VALUE); } SET_ERROR(atom->conn, bad ? LLDPCTL_ERR_BAD_VALUE : LLDPCTL_ERR_NOT_EXIST); return NULL; } const u_int8_t * lldpctl_atom_get_buffer(lldpctl_atom_t *atom, lldpctl_key_t key, size_t *length) { if (atom == NULL) return NULL; RESET_ERROR(atom->conn); if (atom->get_buffer == NULL) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return atom->get_buffer(atom, key, length); } lldpctl_atom_t * lldpctl_atom_set_buffer(lldpctl_atom_t *atom, lldpctl_key_t key, const u_int8_t *value, size_t length) { if (atom == NULL) return NULL; RESET_ERROR(atom->conn); if (atom->set_buffer == NULL) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return atom->set_buffer(atom, key, value, length); } long int lldpctl_atom_get_int(lldpctl_atom_t *atom, lldpctl_key_t key) { if (atom == NULL) return LLDPCTL_ERR_NOT_EXIST; RESET_ERROR(atom->conn); if (atom->get_int == NULL) return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return atom->get_int(atom, key); } lldpctl_atom_t * lldpctl_atom_set_int(lldpctl_atom_t *atom, lldpctl_key_t key, long int value) { if (atom == NULL) return NULL; RESET_ERROR(atom->conn); if (atom->set_int == NULL) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST); return NULL; } return atom->set_int(atom, key, value); } lldpctl_atom_iter_t * lldpctl_atom_iter(lldpctl_atom_t *atom) { if (atom == NULL) return NULL; RESET_ERROR(atom->conn); if (!atom->iter) { SET_ERROR(atom->conn, LLDPCTL_ERR_CANNOT_ITERATE); return NULL; } return atom->iter(atom); } lldpctl_atom_iter_t * lldpctl_atom_iter_next(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { if (atom == NULL) return NULL; RESET_ERROR(atom->conn); if (!atom->next) { SET_ERROR(atom->conn, LLDPCTL_ERR_CANNOT_ITERATE); return NULL; } return atom->next(atom, iter); } lldpctl_atom_t * lldpctl_atom_iter_value(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter) { if (atom == NULL) return NULL; RESET_ERROR(atom->conn); if (!atom->value) { SET_ERROR(atom->conn, LLDPCTL_ERR_CANNOT_ITERATE); return NULL; } return atom->value(atom, iter); } lldpctl_atom_t * lldpctl_atom_create(lldpctl_atom_t *atom) { if (atom == NULL) return NULL; RESET_ERROR(atom->conn); if (!atom->create) { SET_ERROR(atom->conn, LLDPCTL_ERR_CANNOT_CREATE); return NULL; } return atom->create(atom); } /** * Get somethin with IO. * * @param conn The connection to lldpd. * @param state_send State to be when "sending" * @param state_recv State to be when "receiving" * @param state_data Ancillary data for state handling * @param type Type of message to send (and receive) * @param to_send Data to send. * @param mi_send Marshalling info for data to send. * @param to_recv Data to receive. * @param mi_recv Marshalling info for data to recive. * @return 0 in case of success, a negative integer in case of failure. * * The current state must match one of @c CONN_STATE_IDLE, @c state_send or @c * state_recv and in the two later cases, the provided @c state_data must match. */ int _lldpctl_do_something(lldpctl_conn_t *conn, int state_send, int state_recv, const char *state_data, enum hmsg_type type, void *to_send, struct marshal_info *mi_send, void **to_recv, struct marshal_info *mi_recv) { ssize_t rc; if (conn->state == CONN_STATE_WATCHING) /* The connection cannot be used anymore. */ return SET_ERROR(conn, LLDPCTL_ERR_INVALID_STATE); if (conn->state == CONN_STATE_IDLE) { /* We need to build the message to send, then send * it. */ if (ctl_msg_send_unserialized(&conn->output_buffer, &conn->output_buffer_len, type, to_send, mi_send) != 0) return SET_ERROR(conn, LLDPCTL_ERR_SERIALIZATION); conn->state = state_send; if (state_data) strlcpy(conn->state_data, state_data, sizeof(conn->state_data)); else conn->state_data[0] = 0; } if (conn->state == state_send && (state_data == NULL || !strncmp(conn->state_data, state_data, sizeof(conn->state_data) - 1))) { /* We need to send the currently built message */ rc = lldpctl_send(conn); if (rc < 0) return SET_ERROR(conn, rc); conn->state = state_recv; } if (conn->state == state_recv && (state_data == NULL || !strncmp(conn->state_data, state_data, sizeof(conn->state_data) - 1))) { /* We need to receive the answer */ while ((rc = ctl_msg_recv_unserialized(&conn->input_buffer, &conn->input_buffer_len, type, to_recv, mi_recv)) > 0) { /* We need more bytes */ rc = _lldpctl_needs(conn, rc); if (rc < 0) return SET_ERROR(conn, rc); } if (rc < 0) return SET_ERROR(conn, LLDPCTL_ERR_SERIALIZATION); /* rc == 0 */ conn->state = CONN_STATE_IDLE; conn->state_data[0] = 0; return 0; } else return SET_ERROR(conn, LLDPCTL_ERR_INVALID_STATE); } int lldpctl_watch_callback(lldpctl_conn_t *conn, lldpctl_change_callback cb, void *data) { int rc; RESET_ERROR(conn); rc = _lldpctl_do_something(conn, CONN_STATE_SET_WATCH_SEND, CONN_STATE_SET_WATCH_RECV, NULL, SUBSCRIBE, NULL, NULL, NULL, NULL); if (rc == 0) { conn->watch_cb = cb; conn->watch_data = data; conn->state = CONN_STATE_WATCHING; } return rc; } int lldpctl_watch_callback2(lldpctl_conn_t *conn, lldpctl_change_callback2 cb, void *data) { int rc; RESET_ERROR(conn); rc = _lldpctl_do_something(conn, CONN_STATE_SET_WATCH_SEND, CONN_STATE_SET_WATCH_RECV, NULL, SUBSCRIBE, NULL, NULL, NULL, NULL); if (rc == 0) { conn->watch_cb2 = cb; conn->watch_data = data; conn->state = CONN_STATE_WATCHING; } return rc; } int lldpctl_watch(lldpctl_conn_t *conn) { int rc = 0; RESET_ERROR(conn); if (conn->state != CONN_STATE_WATCHING) return SET_ERROR(conn, LLDPCTL_ERR_INVALID_STATE); conn->watch_triggered = 0; while (!conn->watch_triggered) { rc = _lldpctl_needs(conn, 1); if (rc < 0) return SET_ERROR(conn, rc); } RESET_ERROR(conn); return 0; } lldpctl_atom_t * lldpctl_get_configuration(lldpctl_conn_t *conn) { int rc; struct lldpd_config *config; void *p; RESET_ERROR(conn); rc = _lldpctl_do_something(conn, CONN_STATE_GET_CONFIG_SEND, CONN_STATE_GET_CONFIG_RECV, NULL, GET_CONFIG, NULL, NULL, &p, &MARSHAL_INFO(lldpd_config)); if (rc == 0) { config = p; return _lldpctl_new_atom(conn, atom_config, config); } return NULL; } lldpctl_atom_t * lldpctl_get_interfaces(lldpctl_conn_t *conn) { struct lldpd_interface_list *ifs; void *p; int rc; RESET_ERROR(conn); rc = _lldpctl_do_something(conn, CONN_STATE_GET_INTERFACES_SEND, CONN_STATE_GET_INTERFACES_RECV, NULL, GET_INTERFACES, NULL, NULL, &p, &MARSHAL_INFO(lldpd_interface_list)); if (rc == 0) { ifs = p; return _lldpctl_new_atom(conn, atom_interfaces_list, ifs); } return NULL; } lldpctl_atom_t * lldpctl_get_local_chassis(lldpctl_conn_t *conn) { struct lldpd_chassis *chassis; void *p; int rc; RESET_ERROR(conn); rc = _lldpctl_do_something(conn, CONN_STATE_GET_CHASSIS_SEND, CONN_STATE_GET_CHASSIS_RECV, NULL, GET_CHASSIS, NULL, NULL, &p, &MARSHAL_INFO(lldpd_chassis)); if (rc == 0) { chassis = p; return _lldpctl_new_atom(conn, atom_chassis, chassis, NULL, 0); } return NULL; } lldpctl_atom_t * lldpctl_get_port(lldpctl_atom_t *atom) { int rc; lldpctl_conn_t *conn = atom->conn; struct lldpd_hardware *hardware; void *p; struct _lldpctl_atom_interface_t *iface = (struct _lldpctl_atom_interface_t *)atom; RESET_ERROR(conn); if (atom->type != atom_interface) { SET_ERROR(conn, LLDPCTL_ERR_INCORRECT_ATOM_TYPE); return NULL; } rc = _lldpctl_do_something(conn, CONN_STATE_GET_PORT_SEND, CONN_STATE_GET_PORT_RECV, iface->name, GET_INTERFACE, (void *)iface->name, &MARSHAL_INFO(string), &p, &MARSHAL_INFO(lldpd_hardware)); if (rc == 0) { hardware = p; return _lldpctl_new_atom(conn, atom_port, 1, hardware, &hardware->h_lport, NULL); } return NULL; } lldpctl_atom_t * lldpctl_get_default_port(lldpctl_conn_t *conn) { struct lldpd_port *port; void *p; int rc; RESET_ERROR(conn); rc = _lldpctl_do_something(conn, CONN_STATE_GET_DEFAULT_PORT_SEND, CONN_STATE_GET_DEFAULT_PORT_RECV, "", GET_DEFAULT_PORT, NULL, NULL, &p, &MARSHAL_INFO(lldpd_port)); if (rc == 0) { port = p; return _lldpctl_new_atom(conn, atom_port, 1, NULL, port, NULL); } return NULL; } static lldpctl_map_t empty_map[] = { { 0, NULL } }; static struct atom_map atom_map_list = { .next = NULL }; lldpctl_map_t * lldpctl_key_get_map(lldpctl_key_t key) { init_atom_map(); struct atom_map *map; for (map = atom_map_list.next; map; map = map->next) { if (map->key == key) return map->map; } return empty_map; } void atom_map_register(struct atom_map *map, int prio) { (void)prio; struct atom_map *iter = &atom_map_list; while (iter->next) iter = iter->next; iter->next = map; } static struct atom_builder atom_builder_list = { .nextb = NULL }; void atom_builder_register(struct atom_builder *builder, int prio) { (void)prio; struct atom_builder *iter = &atom_builder_list; while (iter->nextb) iter = iter->nextb; iter->nextb = builder; } lldpctl_atom_t * _lldpctl_new_atom(lldpctl_conn_t *conn, atom_t type, ...) { init_atom_builder(); struct atom_builder *builder; struct lldpctl_atom_t *atom; va_list(ap); for (builder = atom_builder_list.nextb; builder; builder = builder->nextb) { if (builder->type != type) continue; atom = calloc(1, builder->size); if (atom == NULL) { SET_ERROR(conn, LLDPCTL_ERR_NOMEM); return NULL; } atom->count = 1; atom->type = type; atom->conn = conn; TAILQ_INIT(&atom->buffers); atom->free = builder->free; atom->iter = builder->iter; atom->next = builder->next; atom->value = builder->value; atom->get = builder->get; atom->get_str = builder->get_str; atom->get_buffer = builder->get_buffer; atom->get_int = builder->get_int; atom->set = builder->set; atom->set_str = builder->set_str; atom->set_buffer = builder->set_buffer; atom->set_int = builder->set_int; atom->create = builder->create; va_start(ap, type); if (builder->init && builder->init(atom, ap) == 0) { free(atom); va_end(ap); /* Error to be set in init() */ return NULL; } va_end(ap); return atom; } log_warnx("rpc", "unknown atom type: %d", type); SET_ERROR(conn, LLDPCTL_ERR_FATAL); return NULL; } /** * Allocate a buffer inside an atom. * * It will be freed automatically when the atom is released. This buffer cannot * be reallocated and should not be freed! * * @param atom Atom which will be used as a container. * @param size Size of the allocated area. * @return Pointer to the buffer or @c NULL if allocation fails. */ void * _lldpctl_alloc_in_atom(lldpctl_atom_t *atom, size_t size) { struct atom_buffer *buffer; if ((buffer = calloc(1, size + sizeof(struct atom_buffer))) == NULL) { SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM); return NULL; } TAILQ_INSERT_TAIL(&atom->buffers, buffer, next); return &buffer->data[0]; } /** * Allocate a buffer inside an atom and dump another buffer in it. * * The dump is done in hexadecimal with the provided separator. * * @param atom Atom which will be used as a container. * @param input Buffer we want to dump. * @param size Size of the buffer * @param sep Separator to use. * @param max Maximum number of bytes to dump. Can be 0 if no maximum. * @return A string representing the dump of the buffer or @c NULL if error. */ const char * _lldpctl_dump_in_atom(lldpctl_atom_t *atom, const uint8_t *input, size_t size, char sep, size_t max) { static const char truncation[] = "[...]"; size_t i, len; char *buffer = NULL; if (max > 0 && size > max) len = max * 3 + sizeof(truncation) + 1; else len = size * 3 + 1; if ((buffer = _lldpctl_alloc_in_atom(atom, len)) == NULL) return NULL; for (i = 0; (i < size) && (max == 0 || i < max); i++) snprintf(buffer + i * 3, 4, "%02x%c", *(u_int8_t *)(input + i), sep); if (max > 0 && size > max) snprintf(buffer + i * 3, sizeof(truncation) + 1, "%s", truncation); else *(buffer + i * 3 - 1) = 0; return buffer; } lldpd-1.0.18/src/lib/atom.h0000644000076400001440000002334314532716672014626 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include "../lldpd-structs.h" #include "../compat/compat.h" #include "../marshal.h" #include "../ctl.h" /* connection.c */ struct lldpctl_conn_t { /* the Unix-domain socket to connect to lldpd */ char *ctlname; /* Callback handling */ lldpctl_recv_callback recv; /* Receive callback */ lldpctl_send_callback send; /* Send callback */ void *user_data; /* Callback user data */ /* IO state handling. */ uint8_t *input_buffer; /* Current input/output buffer */ uint8_t *output_buffer; /* Current input/output buffer */ size_t input_buffer_len; size_t output_buffer_len; #define CONN_STATE_IDLE 0 #define CONN_STATE_GET_INTERFACES_SEND 1 #define CONN_STATE_GET_INTERFACES_RECV 2 #define CONN_STATE_GET_PORT_SEND 3 #define CONN_STATE_GET_PORT_RECV 4 #define CONN_STATE_SET_PORT_SEND 5 #define CONN_STATE_SET_PORT_RECV 6 #define CONN_STATE_SET_WATCH_SEND 7 #define CONN_STATE_SET_WATCH_RECV 8 #define CONN_STATE_GET_CONFIG_SEND 9 #define CONN_STATE_GET_CONFIG_RECV 10 #define CONN_STATE_SET_CONFIG_SEND 11 #define CONN_STATE_SET_CONFIG_RECV 12 #define CONN_STATE_GET_CHASSIS_SEND 13 #define CONN_STATE_GET_CHASSIS_RECV 14 #define CONN_STATE_GET_DEFAULT_PORT_SEND 15 #define CONN_STATE_GET_DEFAULT_PORT_RECV 16 #define CONN_STATE_WATCHING 17 #define CONN_STATE_SET_CHASSIS_SEND 18 #define CONN_STATE_SET_CHASSIS_RECV 19 int state; /* Current state */ /* Data attached to the state. It is used to check that we are using the * same data as a previous call until the state machine goes to * CONN_STATE_IDLE. */ char state_data[IFNAMSIZ + 64]; /* Error handling */ lldpctl_error_t error; /* Last error */ /* Handling notifications */ lldpctl_change_callback watch_cb; lldpctl_change_callback2 watch_cb2; void *watch_data; int watch_triggered; }; /* User data for synchronous callbacks. */ struct lldpctl_conn_sync_t { int fd; /* File descriptor to the socket. */ }; ssize_t _lldpctl_needs(lldpctl_conn_t *lldpctl, size_t length); int _lldpctl_do_something(lldpctl_conn_t *conn, int state_send, int state_recv, const char *state_data, enum hmsg_type type, void *to_send, struct marshal_info *mi_send, void **to_recv, struct marshal_info *mi_recv); /* errors.c */ #define SET_ERROR(conn, x) ((conn)->error = x) #define RESET_ERROR(conn) SET_ERROR((conn), LLDPCTL_NO_ERROR) /* atom.c and atom-private.c */ typedef enum { atom_config, atom_interfaces_list, atom_interface, atom_ports_list, atom_port, atom_mgmts_list, atom_mgmt, #ifdef ENABLE_DOT3 atom_dot3_power, #endif #ifdef ENABLE_DOT1 atom_vlans_list, atom_vlan, atom_ppvids_list, atom_ppvid, atom_pis_list, atom_pi, #endif #ifdef ENABLE_LLDPMED atom_med_policies_list, atom_med_policy, atom_med_locations_list, atom_med_location, atom_med_caelements_list, atom_med_caelement, atom_med_power, #endif #ifdef ENABLE_CUSTOM atom_custom_list, atom_custom, #endif atom_chassis, } atom_t; void *_lldpctl_alloc_in_atom(lldpctl_atom_t *, size_t); const char *_lldpctl_dump_in_atom(lldpctl_atom_t *, const uint8_t *, size_t, char, size_t); struct atom_buffer { TAILQ_ENTRY(atom_buffer) next; u_int8_t data[0]; }; struct lldpctl_atom_t { int count; atom_t type; lldpctl_conn_t *conn; TAILQ_HEAD(, atom_buffer) buffers; /* List of buffers */ /* Destructor */ void (*free)(lldpctl_atom_t *); /* Iterators */ lldpctl_atom_iter_t *(*iter)(lldpctl_atom_t *); lldpctl_atom_iter_t *(*next)(lldpctl_atom_t *, lldpctl_atom_iter_t *); lldpctl_atom_t *(*value)(lldpctl_atom_t *, lldpctl_atom_iter_t *); /* Getters */ lldpctl_atom_t *(*get)(lldpctl_atom_t *, lldpctl_key_t); const char *(*get_str)(lldpctl_atom_t *, lldpctl_key_t); const u_int8_t *(*get_buffer)(lldpctl_atom_t *, lldpctl_key_t, size_t *); long int (*get_int)(lldpctl_atom_t *, lldpctl_key_t); /* Setters */ lldpctl_atom_t *(*set)(lldpctl_atom_t *, lldpctl_key_t, lldpctl_atom_t *); lldpctl_atom_t *(*set_str)(lldpctl_atom_t *, lldpctl_key_t, const char *); lldpctl_atom_t *( *set_buffer)(lldpctl_atom_t *, lldpctl_key_t, const u_int8_t *, size_t); lldpctl_atom_t *(*set_int)(lldpctl_atom_t *, lldpctl_key_t, long int); lldpctl_atom_t *(*create)(lldpctl_atom_t *); }; struct _lldpctl_atom_config_t { lldpctl_atom_t base; struct lldpd_config *config; }; struct _lldpctl_atom_interfaces_list_t { lldpctl_atom_t base; struct lldpd_interface_list *ifs; }; struct _lldpctl_atom_interface_t { lldpctl_atom_t base; char *name; }; struct _lldpctl_atom_chassis_t { lldpctl_atom_t base; struct lldpd_chassis *chassis; struct _lldpctl_atom_port_t *parent; /* Optional: parent of this atom (owning our reference) */ int embedded; /* This atom is "embedded" (not refcounted) */ }; struct _lldpctl_atom_port_t { lldpctl_atom_t base; int local; /* Local or remote port? */ struct lldpd_hardware *hardware; /* Local port only (but optional) */ struct lldpd_port *port; /* Local and remote */ struct _lldpctl_atom_port_t *parent; /* Local port if we are a remote port */ lldpctl_atom_t *chassis; /* Internal atom for chassis */ }; /* Can represent any simple list holding just a reference to a port. */ struct _lldpctl_atom_any_list_t { lldpctl_atom_t base; struct _lldpctl_atom_port_t *parent; }; struct _lldpctl_atom_mgmts_list_t { lldpctl_atom_t base; lldpctl_atom_t *parent; struct lldpd_chassis *chassis; /* Chassis containing the list of IP addresses */ }; struct _lldpctl_atom_mgmt_t { lldpctl_atom_t base; lldpctl_atom_t *parent; struct lldpd_mgmt *mgmt; }; #ifdef ENABLE_DOT3 struct _lldpctl_atom_dot3_power_t { lldpctl_atom_t base; struct _lldpctl_atom_port_t *parent; }; #endif #ifdef ENABLE_DOT1 struct _lldpctl_atom_vlan_t { lldpctl_atom_t base; struct _lldpctl_atom_port_t *parent; struct lldpd_vlan *vlan; }; struct _lldpctl_atom_ppvid_t { lldpctl_atom_t base; struct _lldpctl_atom_port_t *parent; struct lldpd_ppvid *ppvid; }; struct _lldpctl_atom_pi_t { lldpctl_atom_t base; struct _lldpctl_atom_port_t *parent; struct lldpd_pi *pi; }; #endif #ifdef ENABLE_LLDPMED struct _lldpctl_atom_med_policy_t { lldpctl_atom_t base; struct _lldpctl_atom_port_t *parent; struct lldpd_med_policy *policy; }; struct _lldpctl_atom_med_location_t { lldpctl_atom_t base; struct _lldpctl_atom_port_t *parent; struct lldpd_med_loc *location; }; /* This list should have the same structure than _llpdctl_atom_any_list_t */ struct _lldpctl_atom_med_caelements_list_t { lldpctl_atom_t base; struct _lldpctl_atom_med_location_t *parent; }; struct _lldpctl_atom_med_caelement_t { lldpctl_atom_t base; struct _lldpctl_atom_med_location_t *parent; int type; uint8_t *value; size_t len; }; struct _lldpctl_atom_med_power_t { lldpctl_atom_t base; struct _lldpctl_atom_port_t *parent; }; #endif #ifdef ENABLE_CUSTOM struct _lldpctl_atom_custom_list_t { lldpctl_atom_t base; struct _lldpctl_atom_port_t *parent; struct lldpd_custom_list *list; }; struct _lldpctl_atom_custom_t { lldpctl_atom_t base; struct _lldpctl_atom_port_t *parent; int op; struct lldpd_custom *tlv; }; #endif struct lldpctl_atom_t *_lldpctl_new_atom(lldpctl_conn_t *conn, atom_t type, ...); struct atom_map { int key; struct atom_map *next; lldpctl_map_t map[]; }; void atom_map_register(struct atom_map *map, int); void init_atom_map(void); #define ATOM_MAP_REGISTER(NAME, PRIO) \ void init_atom_map_##NAME(void); \ void init_atom_map_##NAME(void) \ { \ atom_map_register(&NAME, PRIO); \ } struct atom_builder { atom_t type; /* Atom type */ size_t size; /* Size of structure to allocate */ int (*init)(lldpctl_atom_t *, va_list); /* Optional additional init steps */ void (*free)(lldpctl_atom_t *); /* Optional deallocation steps */ lldpctl_atom_iter_t *(*iter)( lldpctl_atom_t *); /* Optional, return an iterator for this object */ lldpctl_atom_iter_t *(*next)(lldpctl_atom_t *, lldpctl_atom_iter_t *); /* Return the next object for the provided iterator */ lldpctl_atom_t *(*value)(lldpctl_atom_t *, lldpctl_atom_iter_t *); /* Return the current object for the provided iterator */ lldpctl_atom_t *(*get)(lldpctl_atom_t *, lldpctl_key_t); const char *(*get_str)(lldpctl_atom_t *, lldpctl_key_t); const u_int8_t *(*get_buffer)(lldpctl_atom_t *, lldpctl_key_t, size_t *); long int (*get_int)(lldpctl_atom_t *, lldpctl_key_t); lldpctl_atom_t *(*set)(lldpctl_atom_t *, lldpctl_key_t, lldpctl_atom_t *); lldpctl_atom_t *(*set_str)(lldpctl_atom_t *, lldpctl_key_t, const char *); lldpctl_atom_t *( *set_buffer)(lldpctl_atom_t *, lldpctl_key_t, const u_int8_t *, size_t); lldpctl_atom_t *(*set_int)(lldpctl_atom_t *, lldpctl_key_t, long int); lldpctl_atom_t *(*create)(lldpctl_atom_t *); struct atom_builder *nextb; }; void atom_builder_register(struct atom_builder *builder, int); void init_atom_builder(void); #define ATOM_BUILDER_REGISTER(NAME, PRIO) \ void init_atom_builder_##NAME(void); \ void init_atom_builder_##NAME(void) \ { \ atom_builder_register(&NAME, PRIO); \ } lldpd-1.0.18/src/daemon/0000755000076400001440000000000014550773325014203 5ustar00bernatuserslldpd-1.0.18/src/daemon/protocols/0000755000076400001440000000000014550773325016227 5ustar00bernatuserslldpd-1.0.18/src/daemon/protocols/sonmp.h0000644000076400001440000000252214532716672017537 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _SONMP_H #define _SONMP_H #define SONMP_MULTICAST_ADDR \ { \ 0x01, 0x00, 0x81, 0x00, 0x01, 0x00 \ } #define LLC_ORG_NORTEL \ { \ 0x00, 0x00, 0x81 \ } #define LLC_PID_SONMP_HELLO 0x01a2 #define LLC_PID_SONMP_FLATNET 0x01a1 #define SONMP_SIZE 19 struct sonmp_chassis { int type; const char *description; }; #define SONMP_TOPOLOGY_CHANGED 1 #define SONMP_TOPOLOGY_UNCHANGED 2 #define SONMP_TOPOLOGY_NEW 3 #endif /* _SONMP_H */ lldpd-1.0.18/src/daemon/protocols/cdp.h0000644000076400001440000000403014532716672017145 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _CDP_H #define _CDP_H #define CDP_MULTICAST_ADDR \ { \ 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc \ } #define FDP_MULTICAST_ADDR \ { \ 0x01, 0xe0, 0x52, 0xcc, 0xcc, 0xcc, \ } #define LLC_ORG_CISCO \ { \ 0x00, 0x00, 0x0c \ } #define LLC_ORG_FOUNDRY \ { \ 0x00, 0xe0, 0x52 \ } #define LLC_PID_CDP 0x2000 /* Other protocols */ #define LLC_PID_DRIP 0x102 #define LLC_PID_PAGP 0x104 #define LLC_PID_PVSTP 0x10b #define LLC_PID_UDLD 0x111 #define LLC_PID_VTP 0x2003 #define LLC_PID_DTP 0x2004 #define LLC_PID_STP 0x200a enum { CDP_TLV_CHASSIS = 1, CDP_TLV_ADDRESSES = 2, CDP_TLV_PORT = 3, CDP_TLV_CAPABILITIES = 4, CDP_TLV_SOFTWARE = 5, CDP_TLV_PLATFORM = 6, CDP_TLV_NATIVEVLAN = 10, CDP_TLV_POWER_CONSUMPTION = 0x10, CDP_TLV_POWER_REQUESTED = 0x19, CDP_TLV_POWER_AVAILABLE = 0x1A }; #define CDP_ADDRESS_PROTO_IP 0xcc #define CDP_CAP_ROUTER 0x01 #define CDP_CAP_TRANSPARENT_BRIDGE 0x02 #define CDP_CAP_SOURCE_BRIDGE 0x04 #define CDP_CAP_SWITCH 0x08 #define CDP_CAP_HOST 0x10 #define CDP_CAP_IGMP 0x20 #define CDP_CAP_REPEATER 0x40 #endif /* _CDP_H */ lldpd-1.0.18/src/daemon/protocols/edp.h0000644000076400001440000000236414532716672017157 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _EDP_H #define _EDP_H #define EDP_MULTICAST_ADDR \ { \ 0x00, 0xe0, 0x2b, 0x00, 0x00, 0x00 \ } #define LLC_ORG_EXTREME \ { \ 0x00, 0xe0, 0x2b \ } #define LLC_PID_EDP 0x00bb #define EDP_TLV_MARKER 0x99 enum { EDP_TLV_NULL = 0, EDP_TLV_DISPLAY = 1, EDP_TLV_INFO = 2, EDP_TLV_VLAN = 5, EDP_TLV_ESRP = 8, }; #endif /* _EDP_H */ lldpd-1.0.18/src/daemon/protocols/lldp.c0000644000076400001440000011520114532716672017330 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "../lldpd.h" #include "../frame.h" #include #include #include #include #include #include static int lldpd_af_to_lldp_proto(int af) { switch (af) { case LLDPD_AF_IPV4: return LLDP_MGMT_ADDR_IP4; case LLDPD_AF_IPV6: return LLDP_MGMT_ADDR_IP6; default: return LLDP_MGMT_ADDR_NONE; } } static int lldpd_af_from_lldp_proto(int proto) { switch (proto) { case LLDP_MGMT_ADDR_IP4: return LLDPD_AF_IPV4; case LLDP_MGMT_ADDR_IP6: return LLDPD_AF_IPV6; default: return LLDPD_AF_UNSPEC; } } static int _lldp_send(struct lldpd *global, struct lldpd_hardware *hardware, u_int8_t c_id_subtype, char *c_id, int c_id_len, u_int8_t p_id_subtype, char *p_id, int p_id_len, int shutdown, int without_vlans) { struct lldpd_port *port; struct lldpd_chassis *chassis; struct lldpd_frame *frame; int length; u_int8_t *packet, *pos, *tlv; struct lldpd_mgmt *mgmt; int proto; int vlans = 0; u_int8_t mcastaddr_regular[] = LLDP_ADDR_NEAREST_BRIDGE; u_int8_t mcastaddr_nontpmr[] = LLDP_ADDR_NEAREST_NONTPMR_BRIDGE; u_int8_t mcastaddr_customer[] = LLDP_ADDR_NEAREST_CUSTOMER_BRIDGE; u_int8_t *mcastaddr; #ifdef ENABLE_DOT1 const u_int8_t dot1[] = LLDP_TLV_ORG_DOT1; struct lldpd_vlan *vlan; struct lldpd_ppvid *ppvid; struct lldpd_pi *pi; #endif #ifdef ENABLE_DOT3 const u_int8_t dot3[] = LLDP_TLV_ORG_DOT3; #endif #ifdef ENABLE_LLDPMED int i; const u_int8_t med[] = LLDP_TLV_ORG_MED; #endif #ifdef ENABLE_CUSTOM struct lldpd_custom *custom; #endif port = &hardware->h_lport; chassis = port->p_chassis; length = hardware->h_mtu; if ((packet = (u_int8_t *)calloc(1, length)) == NULL) return ENOMEM; pos = packet; /* Ethernet header */ switch (global->g_config.c_lldp_agent_type) { case LLDP_AGENT_TYPE_NEAREST_NONTPMR_BRIDGE: mcastaddr = mcastaddr_nontpmr; break; case LLDP_AGENT_TYPE_NEAREST_CUSTOMER_BRIDGE: mcastaddr = mcastaddr_customer; break; case LLDP_AGENT_TYPE_NEAREST_BRIDGE: default: mcastaddr = mcastaddr_regular; break; } if (!( /* LLDP multicast address */ POKE_BYTES(mcastaddr, ETHER_ADDR_LEN) && /* Source MAC address */ POKE_BYTES(&hardware->h_lladdr, ETHER_ADDR_LEN))) goto toobig; /* Insert VLAN tag if needed */ if (port->p_vlan_tx_enabled) { if (!( /* VLAN ethertype */ POKE_UINT16(ETHERTYPE_VLAN) && /* VLAN Tag Control Information (TCI) */ /* Priority(3bits) | DEI(1bit) | VID(12bit) */ POKE_UINT16(port->p_vlan_tx_tag))) goto toobig; } if (!( /* LLDP frame */ POKE_UINT16(ETH_P_LLDP))) goto toobig; /* Chassis ID */ if (!(POKE_START_LLDP_TLV(LLDP_TLV_CHASSIS_ID) && POKE_UINT8(c_id_subtype) && POKE_BYTES(c_id, c_id_len) && POKE_END_LLDP_TLV)) goto toobig; /* Port ID */ if (!(POKE_START_LLDP_TLV(LLDP_TLV_PORT_ID) && POKE_UINT8(p_id_subtype) && POKE_BYTES(p_id, p_id_len) && POKE_END_LLDP_TLV)) goto toobig; /* Time to live */ if (!(POKE_START_LLDP_TLV(LLDP_TLV_TTL) && POKE_UINT16(shutdown ? 0 : (global ? global->g_config.c_ttl : 180)) && POKE_END_LLDP_TLV)) goto toobig; if (shutdown) goto end; /* System name */ if (chassis->c_name && *chassis->c_name != '\0') { if (!(POKE_START_LLDP_TLV(LLDP_TLV_SYSTEM_NAME) && POKE_BYTES(chassis->c_name, strlen(chassis->c_name)) && POKE_END_LLDP_TLV)) goto toobig; } /* System description (skip it if empty) */ if (chassis->c_descr && *chassis->c_descr != '\0') { if (!(POKE_START_LLDP_TLV(LLDP_TLV_SYSTEM_DESCR) && POKE_BYTES(chassis->c_descr, strlen(chassis->c_descr)) && POKE_END_LLDP_TLV)) goto toobig; } /* System capabilities */ if (global->g_config.c_cap_advertise && chassis->c_cap_available) { if (!(POKE_START_LLDP_TLV(LLDP_TLV_SYSTEM_CAP) && POKE_UINT16(chassis->c_cap_available) && POKE_UINT16(chassis->c_cap_enabled) && POKE_END_LLDP_TLV)) goto toobig; } /* Management addresses */ TAILQ_FOREACH (mgmt, &chassis->c_mgmt, m_entries) { proto = lldpd_af_to_lldp_proto(mgmt->m_family); if (proto == LLDP_MGMT_ADDR_NONE) continue; if (!(POKE_START_LLDP_TLV(LLDP_TLV_MGMT_ADDR) && /* Size of the address, including its type */ POKE_UINT8(mgmt->m_addrsize + 1) && POKE_UINT8(proto) && POKE_BYTES(&mgmt->m_addr, mgmt->m_addrsize))) goto toobig; /* Interface port type, OID */ if (mgmt->m_iface == 0) { if (!( /* We don't know the management interface */ POKE_UINT8(LLDP_MGMT_IFACE_UNKNOWN) && POKE_UINT32(0))) goto toobig; } else { if (!( /* We have the index of the management interface */ POKE_UINT8(LLDP_MGMT_IFACE_IFINDEX) && POKE_UINT32(mgmt->m_iface))) goto toobig; } if (!( /* We don't provide an OID for management */ POKE_UINT8(0) && POKE_END_LLDP_TLV)) goto toobig; } /* Port description */ if (port->p_descr && *port->p_descr != '\0') { if (!(POKE_START_LLDP_TLV(LLDP_TLV_PORT_DESCR) && POKE_BYTES(port->p_descr, strlen(port->p_descr)) && POKE_END_LLDP_TLV)) goto toobig; } #ifdef ENABLE_DOT1 /* Port VLAN ID */ if (port->p_pvid != 0) { if (!(POKE_START_LLDP_TLV(LLDP_TLV_ORG) && POKE_BYTES(dot1, sizeof(dot1)) && POKE_UINT8(LLDP_TLV_DOT1_PVID) && POKE_UINT16(port->p_pvid) && POKE_END_LLDP_TLV)) { goto toobig; } } /* Port and Protocol VLAN IDs */ TAILQ_FOREACH (ppvid, &port->p_ppvids, p_entries) { if (!(POKE_START_LLDP_TLV(LLDP_TLV_ORG) && POKE_BYTES(dot1, sizeof(dot1)) && POKE_UINT8(LLDP_TLV_DOT1_PPVID) && POKE_UINT8(ppvid->p_cap_status) && POKE_UINT16(ppvid->p_ppvid) && POKE_END_LLDP_TLV)) { goto toobig; } } /* VLANs */ if (!without_vlans) { TAILQ_FOREACH (vlan, &port->p_vlans, v_entries) { vlans++; if (!(POKE_START_LLDP_TLV(LLDP_TLV_ORG) && POKE_BYTES(dot1, sizeof(dot1)) && POKE_UINT8(LLDP_TLV_DOT1_VLANNAME) && POKE_UINT16(vlan->v_vid) && POKE_UINT8(strlen(vlan->v_name)) && POKE_BYTES(vlan->v_name, strlen(vlan->v_name)) && POKE_END_LLDP_TLV)) goto toobig; } } /* Protocol Identities */ TAILQ_FOREACH (pi, &port->p_pids, p_entries) { if (!(POKE_START_LLDP_TLV(LLDP_TLV_ORG) && POKE_BYTES(dot1, sizeof(dot1)) && POKE_UINT8(LLDP_TLV_DOT1_PI) && POKE_UINT8(pi->p_pi_len) && POKE_BYTES(pi->p_pi, pi->p_pi_len) && POKE_END_LLDP_TLV)) goto toobig; } #endif #ifdef ENABLE_DOT3 /* Aggregation status */ if (!(POKE_START_LLDP_TLV(LLDP_TLV_ORG) && POKE_BYTES(dot3, sizeof(dot3)) && POKE_UINT8(LLDP_TLV_DOT3_LA) && /* Bit 0 = capability ; Bit 1 = status */ POKE_UINT8((port->p_aggregid) ? 3 : 1) && POKE_UINT32(port->p_aggregid) && POKE_END_LLDP_TLV)) goto toobig; /* MAC/PHY */ if (!(POKE_START_LLDP_TLV(LLDP_TLV_ORG) && POKE_BYTES(dot3, sizeof(dot3)) && POKE_UINT8(LLDP_TLV_DOT3_MAC) && POKE_UINT8(port->p_macphy.autoneg_support | (port->p_macphy.autoneg_enabled << 1)) && POKE_UINT16(port->p_macphy.autoneg_advertised) && POKE_UINT16(port->p_macphy.mau_type) && POKE_END_LLDP_TLV)) goto toobig; /* MFS */ if (port->p_mfs) { if (!(POKE_START_LLDP_TLV(LLDP_TLV_ORG) && POKE_BYTES(dot3, sizeof(dot3)) && POKE_UINT8(LLDP_TLV_DOT3_MFS) && POKE_UINT16(port->p_mfs) && POKE_END_LLDP_TLV)) goto toobig; } /* Power */ if (port->p_power.devicetype) { if (!((POKE_START_LLDP_TLV(LLDP_TLV_ORG)) && POKE_BYTES(dot3, sizeof(dot3)) && POKE_UINT8(LLDP_TLV_DOT3_POWER) && POKE_UINT8(((((2 - port->p_power.devicetype) % (1 << 1)) << 0) | ((port->p_power.supported % (1 << 1)) << 1) | ((port->p_power.enabled % (1 << 1)) << 2) | ((port->p_power.paircontrol % (1 << 1)) << 3))) && POKE_UINT8(port->p_power.pairs) && POKE_UINT8(port->p_power.class))) goto toobig; /* 802.3at */ if (port->p_power.powertype != LLDP_DOT3_POWER_8023AT_OFF) { if (!(POKE_UINT8(((((port->p_power.powertype == LLDP_DOT3_POWER_8023AT_TYPE1) ? 1 : 0) << 7) | (((port->p_power.devicetype == LLDP_DOT3_POWER_PSE) ? 0 : 1) << 6) | ((port->p_power.source % (1 << 2)) << 4) | ((port->p_power.priority % (1 << 2)) << 0))) && POKE_UINT16(port->p_power.requested) && POKE_UINT16(port->p_power.allocated))) goto toobig; } if (!(POKE_END_LLDP_TLV)) goto toobig; } #endif #ifdef ENABLE_LLDPMED if (port->p_med_cap_enabled) { /* LLDP-MED cap */ if (port->p_med_cap_enabled & LLDP_MED_CAP_CAP) { if (!(POKE_START_LLDP_TLV(LLDP_TLV_ORG) && POKE_BYTES(med, sizeof(med)) && POKE_UINT8(LLDP_TLV_MED_CAP) && POKE_UINT16(chassis->c_med_cap_available) && POKE_UINT8(chassis->c_med_type) && POKE_END_LLDP_TLV)) goto toobig; } /* LLDP-MED inventory */ # define LLDP_INVENTORY(value, subtype) \ if (value) { \ if (!(POKE_START_LLDP_TLV(LLDP_TLV_ORG) && POKE_BYTES(med, sizeof(med)) && \ POKE_UINT8(subtype) && \ POKE_BYTES(value, (strlen(value) > 32) ? 32 : strlen(value)) && \ POKE_END_LLDP_TLV)) \ goto toobig; \ } if (port->p_med_cap_enabled & LLDP_MED_CAP_IV) { LLDP_INVENTORY(chassis->c_med_hw, LLDP_TLV_MED_IV_HW); LLDP_INVENTORY(chassis->c_med_fw, LLDP_TLV_MED_IV_FW); LLDP_INVENTORY(chassis->c_med_sw, LLDP_TLV_MED_IV_SW); LLDP_INVENTORY(chassis->c_med_sn, LLDP_TLV_MED_IV_SN); LLDP_INVENTORY(chassis->c_med_manuf, LLDP_TLV_MED_IV_MANUF); LLDP_INVENTORY(chassis->c_med_model, LLDP_TLV_MED_IV_MODEL); LLDP_INVENTORY(chassis->c_med_asset, LLDP_TLV_MED_IV_ASSET); } /* LLDP-MED location */ for (i = 0; i < LLDP_MED_LOCFORMAT_LAST; i++) { if (port->p_med_location[i].format == i + 1) { if (!(POKE_START_LLDP_TLV(LLDP_TLV_ORG) && POKE_BYTES(med, sizeof(med)) && POKE_UINT8(LLDP_TLV_MED_LOCATION) && POKE_UINT8(port->p_med_location[i].format) && POKE_BYTES(port->p_med_location[i].data, port->p_med_location[i].data_len) && POKE_END_LLDP_TLV)) goto toobig; } } /* LLDP-MED network policy */ for (i = 0; i < LLDP_MED_APPTYPE_LAST; i++) { if (port->p_med_policy[i].type == i + 1) { if (!(POKE_START_LLDP_TLV(LLDP_TLV_ORG) && POKE_BYTES(med, sizeof(med)) && POKE_UINT8(LLDP_TLV_MED_POLICY) && POKE_UINT32(( ((port->p_med_policy[i].type % (1 << 8)) << 24) | ((port->p_med_policy[i].unknown % (1 << 1)) << 23) | ((port->p_med_policy[i].tagged % (1 << 1)) << 22) | /*((0 %(1<< 1))<<21) |*/ ((port->p_med_policy[i].vid % (1 << 12)) << 9) | ((port->p_med_policy[i].priority % (1 << 3)) << 6) | ((port->p_med_policy[i].dscp % (1 << 6)) << 0))) && POKE_END_LLDP_TLV)) goto toobig; } } /* LLDP-MED POE-MDI */ if ((port->p_med_power.devicetype == LLDP_MED_POW_TYPE_PSE) || (port->p_med_power.devicetype == LLDP_MED_POW_TYPE_PD)) { int devicetype = 0, source = 0; if (!(POKE_START_LLDP_TLV(LLDP_TLV_ORG) && POKE_BYTES(med, sizeof(med)) && POKE_UINT8(LLDP_TLV_MED_MDI))) goto toobig; switch (port->p_med_power.devicetype) { case LLDP_MED_POW_TYPE_PSE: devicetype = 0; switch (port->p_med_power.source) { case LLDP_MED_POW_SOURCE_PRIMARY: source = 1; break; case LLDP_MED_POW_SOURCE_BACKUP: source = 2; break; case LLDP_MED_POW_SOURCE_RESERVED: source = 3; break; default: source = 0; break; } break; case LLDP_MED_POW_TYPE_PD: devicetype = 1; switch (port->p_med_power.source) { case LLDP_MED_POW_SOURCE_PSE: source = 1; break; case LLDP_MED_POW_SOURCE_LOCAL: source = 2; break; case LLDP_MED_POW_SOURCE_BOTH: source = 3; break; default: source = 0; break; } break; } if (!(POKE_UINT8((((devicetype % (1 << 2)) << 6) | ((source % (1 << 2)) << 4) | ((port->p_med_power.priority % (1 << 4)) << 0))) && POKE_UINT16(port->p_med_power.val) && POKE_END_LLDP_TLV)) goto toobig; } } #endif #ifdef ENABLE_CUSTOM TAILQ_FOREACH (custom, &port->p_custom_list, next) { if (!(POKE_START_LLDP_TLV(LLDP_TLV_ORG) && POKE_BYTES(custom->oui, sizeof(custom->oui)) && POKE_UINT8(custom->subtype) && POKE_BYTES(custom->oui_info, custom->oui_info_len) && POKE_END_LLDP_TLV)) goto toobig; } #endif end: /* END */ if (!(POKE_START_LLDP_TLV(LLDP_TLV_END) && POKE_END_LLDP_TLV)) goto toobig; if (interfaces_send_helper(global, hardware, (char *)packet, pos - packet) == -1) { log_warn("lldp", "unable to send packet on real device for %s", hardware->h_ifname); free(packet); return ENETDOWN; } hardware->h_tx_cnt++; /* We assume that LLDP frame is the reference */ if (!shutdown && (frame = (struct lldpd_frame *)malloc(sizeof(int) + pos - packet)) != NULL) { frame->size = pos - packet; memcpy(&frame->frame, packet, frame->size); if ((hardware->h_lport.p_lastframe == NULL) || (hardware->h_lport.p_lastframe->size != frame->size) || (memcmp(hardware->h_lport.p_lastframe->frame, frame->frame, frame->size) != 0)) { free(hardware->h_lport.p_lastframe); hardware->h_lport.p_lastframe = frame; hardware->h_lport.p_lastchange = time(NULL); } else free(frame); } free(packet); return 0; toobig: free(packet); if (vlans > 0 && !without_vlans) { /* Retry without VLANs */ return _lldp_send(global, hardware, c_id_subtype, c_id, c_id_len, p_id_subtype, p_id, p_id_len, shutdown, 1); } log_info("lldp", "Cannot send LLDP packet for %s, too big message", hardware->h_ifname); return E2BIG; } /* Send a shutdown LLDPDU. */ int lldp_send_shutdown(struct lldpd *global, struct lldpd_hardware *hardware) { if (hardware->h_lchassis_previous_id == NULL || hardware->h_lport_previous_id == NULL) return 0; return _lldp_send(global, hardware, hardware->h_lchassis_previous_id_subtype, hardware->h_lchassis_previous_id, hardware->h_lchassis_previous_id_len, hardware->h_lport_previous_id_subtype, hardware->h_lport_previous_id, hardware->h_lport_previous_id_len, 1, 0); } int lldp_send(struct lldpd *global, struct lldpd_hardware *hardware) { struct lldpd_port *port = &hardware->h_lport; struct lldpd_chassis *chassis = port->p_chassis; int ret; /* Check if we have a change. */ if (hardware->h_lchassis_previous_id != NULL && hardware->h_lport_previous_id != NULL && (hardware->h_lchassis_previous_id_subtype != chassis->c_id_subtype || hardware->h_lchassis_previous_id_len != chassis->c_id_len || hardware->h_lport_previous_id_subtype != port->p_id_subtype || hardware->h_lport_previous_id_len != port->p_id_len || memcmp(hardware->h_lchassis_previous_id, chassis->c_id, chassis->c_id_len) || memcmp(hardware->h_lport_previous_id, port->p_id, port->p_id_len))) { log_info("lldp", "MSAP has changed for port %s, sending a shutdown LLDPDU", hardware->h_ifname); if ((ret = lldp_send_shutdown(global, hardware)) != 0) return ret; } log_debug("lldp", "send LLDP PDU to %s", hardware->h_ifname); if ((ret = _lldp_send(global, hardware, chassis->c_id_subtype, chassis->c_id, chassis->c_id_len, port->p_id_subtype, port->p_id, port->p_id_len, 0, 0)) != 0) return ret; /* Record current chassis and port ID */ free(hardware->h_lchassis_previous_id); hardware->h_lchassis_previous_id_subtype = chassis->c_id_subtype; hardware->h_lchassis_previous_id_len = chassis->c_id_len; if ((hardware->h_lchassis_previous_id = malloc(chassis->c_id_len)) != NULL) memcpy(hardware->h_lchassis_previous_id, chassis->c_id, chassis->c_id_len); free(hardware->h_lport_previous_id); hardware->h_lport_previous_id_subtype = port->p_id_subtype; hardware->h_lport_previous_id_len = port->p_id_len; if ((hardware->h_lport_previous_id = malloc(port->p_id_len)) != NULL) memcpy(hardware->h_lport_previous_id, port->p_id, port->p_id_len); return 0; } #define CHECK_TLV_SIZE(x, name) \ do { \ if (tlv_size < (x)) { \ log_warnx("lldp", name " TLV too short received on %s", hardware->h_ifname); \ goto malformed; \ } \ } while (0) #define CHECK_TLV_MAX_SIZE(x, name) \ do { \ if (tlv_size > (x)) { \ log_warnx("lldp", name " TLV too large received on %s", hardware->h_ifname); \ goto malformed; \ } \ } while (0) int lldp_decode(struct lldpd *cfg, char *frame, int s, struct lldpd_hardware *hardware, struct lldpd_chassis **newchassis, struct lldpd_port **newport) { struct lldpd_chassis *chassis; struct lldpd_port *port; char lldpaddr[ETHER_ADDR_LEN]; const char dot1[] = LLDP_TLV_ORG_DOT1; const char dot3[] = LLDP_TLV_ORG_DOT3; const char med[] = LLDP_TLV_ORG_MED; const char dcbx[] = LLDP_TLV_ORG_DCBX; unsigned char orgid[3]; int length, gotend = 0, ttl_received = 0; int tlv_size, tlv_type, tlv_subtype, tlv_count = 0; u_int8_t *pos, *tlv; char *b; #ifdef ENABLE_DOT1 struct lldpd_vlan *vlan = NULL; int vlan_len; struct lldpd_ppvid *ppvid; struct lldpd_pi *pi = NULL; #endif struct lldpd_mgmt *mgmt; int af; u_int8_t addr_str_length, addr_str_buffer[32] = { 0 }; u_int8_t addr_family, addr_length, *addr_ptr, iface_subtype; u_int32_t iface_number, iface; int unrecognized; #ifdef ENABLE_CUSTOM struct lldpd_custom *custom = NULL; #endif log_debug("lldp", "receive LLDP PDU on %s", hardware->h_ifname); if ((chassis = calloc(1, sizeof(struct lldpd_chassis))) == NULL) { log_warn("lldp", "failed to allocate remote chassis"); return -1; } TAILQ_INIT(&chassis->c_mgmt); if ((port = calloc(1, sizeof(struct lldpd_port))) == NULL) { log_warn("lldp", "failed to allocate remote port"); free(chassis); return -1; } #ifdef ENABLE_DOT1 TAILQ_INIT(&port->p_vlans); TAILQ_INIT(&port->p_ppvids); TAILQ_INIT(&port->p_pids); #endif #ifdef ENABLE_CUSTOM TAILQ_INIT(&port->p_custom_list); #endif length = s; pos = (u_int8_t *)frame; if (length < 2 * ETHER_ADDR_LEN + sizeof(u_int16_t)) { log_warnx("lldp", "too short frame received on %s", hardware->h_ifname); goto malformed; } PEEK_BYTES(lldpaddr, ETHER_ADDR_LEN); if (memcmp(lldpaddr, (const char[])LLDP_ADDR_NEAREST_BRIDGE, ETHER_ADDR_LEN) && memcmp(lldpaddr, (const char[])LLDP_ADDR_NEAREST_NONTPMR_BRIDGE, ETHER_ADDR_LEN) && memcmp(lldpaddr, (const char[])LLDP_ADDR_NEAREST_CUSTOMER_BRIDGE, ETHER_ADDR_LEN)) { log_info("lldp", "frame not targeted at LLDP multicast address received on %s", hardware->h_ifname); goto malformed; } PEEK_DISCARD(ETHER_ADDR_LEN); /* Skip source address */ if (PEEK_UINT16 != ETH_P_LLDP) { log_info("lldp", "non LLDP frame received on %s", hardware->h_ifname); goto malformed; } while (length && (!gotend)) { if (length < 2) { log_warnx("lldp", "tlv header too short received on %s", hardware->h_ifname); goto malformed; } tlv_size = PEEK_UINT16; tlv_type = tlv_size >> 9; tlv_size = tlv_size & 0x1ff; (void)PEEK_SAVE(tlv); if (length < tlv_size) { log_warnx("lldp", "frame too short for tlv received on %s", hardware->h_ifname); goto malformed; } /* Check order for mandatory TLVs */ tlv_count++; switch (tlv_type) { case LLDP_TLV_CHASSIS_ID: if (tlv_count != 1) { log_warnx("lldp", "Chassis ID TLV should be first on %s, but it is on position %d", hardware->h_ifname, tlv_count); goto malformed; } break; case LLDP_TLV_PORT_ID: if (tlv_count != 2) { log_warnx("lldp", "Port ID TLV should be second on %s, but it is on position %d", hardware->h_ifname, tlv_count); goto malformed; } break; case LLDP_TLV_TTL: if (tlv_count != 3) { log_warnx("lldp", "TTL TLV should be third on %s, but it is on position %d", hardware->h_ifname, tlv_count); goto malformed; } break; } switch (tlv_type) { case LLDP_TLV_END: if (tlv_size != 0) { log_warnx("lldp", "lldp end received with size not null on %s", hardware->h_ifname); goto malformed; } if (length) log_debug("lldp", "extra data after lldp end on %s", hardware->h_ifname); gotend = 1; break; case LLDP_TLV_CHASSIS_ID: case LLDP_TLV_PORT_ID: CHECK_TLV_SIZE(2, "Port/Chassis Id"); CHECK_TLV_MAX_SIZE(256, "Port/Chassis Id"); tlv_subtype = PEEK_UINT8; if ((tlv_subtype == 0) || (tlv_subtype > 7)) { log_warnx("lldp", "unknown subtype for tlv id received on %s", hardware->h_ifname); goto malformed; } if ((b = (char *)calloc(1, tlv_size - 1)) == NULL) { log_warn("lldp", "unable to allocate memory for id tlv " "received on %s", hardware->h_ifname); goto malformed; } PEEK_BYTES(b, tlv_size - 1); if (tlv_type == LLDP_TLV_PORT_ID) { if (port->p_id != NULL) { log_warnx("lldp", "Port ID TLV received twice on %s", hardware->h_ifname); free(b); goto malformed; } port->p_id_subtype = tlv_subtype; port->p_id = b; port->p_id_len = tlv_size - 1; } else { if (chassis->c_id != NULL) { log_warnx("lldp", "Chassis ID TLV received twice on %s", hardware->h_ifname); free(b); goto malformed; } chassis->c_id_subtype = tlv_subtype; chassis->c_id = b; chassis->c_id_len = tlv_size - 1; } break; case LLDP_TLV_TTL: if (ttl_received) { log_warnx("lldp", "TTL TLV received twice on %s", hardware->h_ifname); goto malformed; } CHECK_TLV_SIZE(2, "TTL"); port->p_ttl = PEEK_UINT16; ttl_received = 1; break; case LLDP_TLV_PORT_DESCR: case LLDP_TLV_SYSTEM_NAME: case LLDP_TLV_SYSTEM_DESCR: if (tlv_size < 1) { log_debug("lldp", "empty tlv received on %s", hardware->h_ifname); break; } if ((b = (char *)calloc(1, tlv_size + 1)) == NULL) { log_warn("lldp", "unable to allocate memory for string tlv " "received on %s", hardware->h_ifname); goto malformed; } PEEK_BYTES(b, tlv_size); switch (tlv_type) { case LLDP_TLV_PORT_DESCR: free(port->p_descr); port->p_descr = b; break; case LLDP_TLV_SYSTEM_NAME: free(chassis->c_name); chassis->c_name = b; break; case LLDP_TLV_SYSTEM_DESCR: free(chassis->c_descr); chassis->c_descr = b; break; default: /* unreachable */ free(b); break; } break; case LLDP_TLV_SYSTEM_CAP: CHECK_TLV_SIZE(4, "System capabilities"); chassis->c_cap_available = PEEK_UINT16; chassis->c_cap_enabled = PEEK_UINT16; break; case LLDP_TLV_MGMT_ADDR: CHECK_TLV_SIZE(1, "Management address"); addr_str_length = PEEK_UINT8; if (addr_str_length > sizeof(addr_str_buffer)) { log_warnx("lldp", "too large management address on %s", hardware->h_ifname); goto malformed; } CHECK_TLV_SIZE(1 + addr_str_length, "Management address"); PEEK_BYTES(addr_str_buffer, addr_str_length); addr_length = addr_str_length - 1; addr_family = addr_str_buffer[0]; addr_ptr = &addr_str_buffer[1]; CHECK_TLV_SIZE(1 + addr_str_length + 5, "Management address"); iface_subtype = PEEK_UINT8; iface_number = PEEK_UINT32; af = lldpd_af_from_lldp_proto(addr_family); if (af == LLDPD_AF_UNSPEC) break; if (iface_subtype == LLDP_MGMT_IFACE_IFINDEX) iface = iface_number; else iface = 0; mgmt = lldpd_alloc_mgmt(af, addr_ptr, addr_length, iface); if (mgmt == NULL) { if (errno == ENOMEM) log_warn("lldp", "unable to allocate memory " "for management address"); else log_warn("lldp", "too large management address " "received on %s", hardware->h_ifname); goto malformed; } TAILQ_INSERT_TAIL(&chassis->c_mgmt, mgmt, m_entries); break; case LLDP_TLV_ORG: CHECK_TLV_SIZE(1 + (int)sizeof(orgid), "Organisational"); PEEK_BYTES(orgid, sizeof(orgid)); unrecognized = 0; tlv_subtype = PEEK_UINT8; if (memcmp(dot1, orgid, sizeof(orgid)) == 0) { #ifndef ENABLE_DOT1 unrecognized = 1; #else /* Dot1 */ switch (tlv_subtype) { case LLDP_TLV_DOT1_VLANNAME: CHECK_TLV_SIZE(7, "VLAN"); if ((vlan = (struct lldpd_vlan *)calloc(1, sizeof(struct lldpd_vlan))) == NULL) { log_warn("lldp", "unable to alloc vlan " "structure for " "tlv received on %s", hardware->h_ifname); goto malformed; } vlan->v_vid = PEEK_UINT16; vlan_len = PEEK_UINT8; CHECK_TLV_SIZE(7 + vlan_len, "VLAN"); if ((vlan->v_name = (char *)calloc(1, vlan_len + 1)) == NULL) { log_warn("lldp", "unable to alloc vlan name for " "tlv received on %s", hardware->h_ifname); goto malformed; } PEEK_BYTES(vlan->v_name, vlan_len); TAILQ_INSERT_TAIL(&port->p_vlans, vlan, v_entries); vlan = NULL; break; case LLDP_TLV_DOT1_PVID: CHECK_TLV_SIZE(6, "PVID"); port->p_pvid = PEEK_UINT16; break; case LLDP_TLV_DOT1_PPVID: CHECK_TLV_SIZE(7, "PPVID"); /* validation needed */ /* PPVID has to be unique if more than one PPVID TLVs are received - discard if duplicate */ /* if support bit is not set and enabled bit is set - PPVID TLV is considered error and discarded */ /* if PPVID > 4096 - bad and discard */ if ((ppvid = (struct lldpd_ppvid *)calloc(1, sizeof(struct lldpd_ppvid))) == NULL) { log_warn("lldp", "unable to alloc ppvid " "structure for " "tlv received on %s", hardware->h_ifname); goto malformed; } ppvid->p_cap_status = PEEK_UINT8; ppvid->p_ppvid = PEEK_UINT16; TAILQ_INSERT_TAIL(&port->p_ppvids, ppvid, p_entries); break; case LLDP_TLV_DOT1_PI: /* validation needed */ /* PI has to be unique if more than one PI TLVs are received - discard if duplicate ?? */ CHECK_TLV_SIZE(5, "PI"); if ((pi = (struct lldpd_pi *)calloc(1, sizeof(struct lldpd_pi))) == NULL) { log_warn("lldp", "unable to alloc PI " "structure for " "tlv received on %s", hardware->h_ifname); goto malformed; } pi->p_pi_len = PEEK_UINT8; CHECK_TLV_SIZE(5 + pi->p_pi_len, "PI"); if ((pi->p_pi = (char *)calloc(1, pi->p_pi_len)) == NULL) { log_warn("lldp", "unable to alloc pid name for " "tlv received on %s", hardware->h_ifname); goto malformed; } PEEK_BYTES(pi->p_pi, pi->p_pi_len); TAILQ_INSERT_TAIL(&port->p_pids, pi, p_entries); pi = NULL; break; default: /* Unknown Dot1 TLV, ignore it */ unrecognized = 1; } #endif } else if (memcmp(dot3, orgid, sizeof(orgid)) == 0) { #ifndef ENABLE_DOT3 unrecognized = 1; #else /* Dot3 */ switch (tlv_subtype) { case LLDP_TLV_DOT3_MAC: CHECK_TLV_SIZE(9, "MAC/PHY"); port->p_macphy.autoneg_support = PEEK_UINT8; port->p_macphy.autoneg_enabled = (port->p_macphy.autoneg_support & 0x2) >> 1; port->p_macphy.autoneg_support = port->p_macphy.autoneg_support & 0x1; port->p_macphy.autoneg_advertised = PEEK_UINT16; port->p_macphy.mau_type = PEEK_UINT16; break; case LLDP_TLV_DOT3_LA: CHECK_TLV_SIZE(9, "Link aggregation"); PEEK_DISCARD_UINT8; port->p_aggregid = PEEK_UINT32; break; case LLDP_TLV_DOT3_MFS: CHECK_TLV_SIZE(6, "MFS"); port->p_mfs = PEEK_UINT16; break; case LLDP_TLV_DOT3_POWER: CHECK_TLV_SIZE(7, "Power"); port->p_power.devicetype = PEEK_UINT8; port->p_power.supported = (port->p_power.devicetype & 0x2) >> 1; port->p_power.enabled = (port->p_power.devicetype & 0x4) >> 2; port->p_power.paircontrol = (port->p_power.devicetype & 0x8) >> 3; port->p_power.devicetype = (port->p_power.devicetype & 0x1) ? LLDP_DOT3_POWER_PSE : LLDP_DOT3_POWER_PD; port->p_power.pairs = PEEK_UINT8; port->p_power.class = PEEK_UINT8; /* 802.3at? */ if (tlv_size >= 12) { port->p_power.powertype = PEEK_UINT8; port->p_power.source = (port->p_power.powertype & (1 << 5 | 1 << 4)) >> 4; port->p_power.priority = (port->p_power.powertype & (1 << 1 | 1 << 0)); port->p_power.powertype = (port->p_power.powertype & (1 << 7)) ? LLDP_DOT3_POWER_8023AT_TYPE1 : LLDP_DOT3_POWER_8023AT_TYPE2; port->p_power.requested = PEEK_UINT16; port->p_power.allocated = PEEK_UINT16; } else port->p_power.powertype = LLDP_DOT3_POWER_8023AT_OFF; /* 802.3bt? */ if (tlv_size >= 29) { port->p_power.requested_a = PEEK_UINT16; port->p_power.requested_b = PEEK_UINT16; port->p_power.allocated_a = PEEK_UINT16; port->p_power.allocated_b = PEEK_UINT16; port->p_power.pse_status = PEEK_UINT16; port->p_power.pd_status = (port->p_power.pse_status & (1 << 13 | 1 << 12)) >> 12; port->p_power.pse_pairs_ext = (port->p_power.pse_status & (1 << 11 | 1 << 10)) >> 10; port->p_power.class_a = (port->p_power.pse_status & (1 << 9 | 1 << 8 | 1 << 7)) >> 7; port->p_power.class_b = (port->p_power.pse_status & (1 << 6 | 1 << 5 | 1 << 4)) >> 4; port->p_power.class_ext = (port->p_power.pse_status & 0xf); port->p_power.pse_status = (port->p_power.pse_status & (1 << 15 | 1 << 14)) >> 14; port->p_power.type_ext = PEEK_UINT8; port->p_power.pd_load = (port->p_power.type_ext & 0x1); port->p_power.type_ext = ((port->p_power.type_ext & (1 << 3 | 1 << 2 | 1 << 1)) + 1); port->p_power.pse_max = PEEK_UINT16; } else { port->p_power.type_ext = LLDP_DOT3_POWER_8023BT_OFF; } break; default: /* Unknown Dot3 TLV, ignore it */ unrecognized = 1; } #endif } else if (memcmp(med, orgid, sizeof(orgid)) == 0) { /* LLDP-MED */ #ifndef ENABLE_LLDPMED unrecognized = 1; #else u_int32_t policy; unsigned loctype; unsigned power; switch (tlv_subtype) { case LLDP_TLV_MED_CAP: CHECK_TLV_SIZE(7, "LLDP-MED capabilities"); chassis->c_med_cap_available = PEEK_UINT16; chassis->c_med_type = PEEK_UINT8; port->p_med_cap_enabled |= LLDP_MED_CAP_CAP; break; case LLDP_TLV_MED_POLICY: CHECK_TLV_SIZE(8, "LLDP-MED policy"); policy = PEEK_UINT32; if (((policy >> 24) < 1) || ((policy >> 24) > LLDP_MED_APPTYPE_LAST)) { log_info("lldp", "unknown policy field %d " "received on %s", policy, hardware->h_ifname); break; } port->p_med_policy[(policy >> 24) - 1].type = (policy >> 24); port->p_med_policy[(policy >> 24) - 1].unknown = ((policy & 0x800000) != 0); port->p_med_policy[(policy >> 24) - 1].tagged = ((policy & 0x400000) != 0); port->p_med_policy[(policy >> 24) - 1].vid = (policy & 0x001FFE00) >> 9; port->p_med_policy[(policy >> 24) - 1] .priority = (policy & 0x1C0) >> 6; port->p_med_policy[(policy >> 24) - 1].dscp = policy & 0x3F; port->p_med_cap_enabled |= LLDP_MED_CAP_POLICY; break; case LLDP_TLV_MED_LOCATION: CHECK_TLV_SIZE(5, "LLDP-MED Location"); loctype = PEEK_UINT8; if ((loctype < 1) || (loctype > LLDP_MED_LOCFORMAT_LAST)) { log_info("lldp", "unknown location type " "received on %s", hardware->h_ifname); break; } free(port->p_med_location[loctype - 1].data); if ((port->p_med_location[loctype - 1].data = (char *)malloc(tlv_size - 5)) == NULL) { log_warn("lldp", "unable to allocate memory " "for LLDP-MED location for " "frame received on %s", hardware->h_ifname); goto malformed; } PEEK_BYTES( port->p_med_location[loctype - 1].data, tlv_size - 5); port->p_med_location[loctype - 1].data_len = tlv_size - 5; port->p_med_location[loctype - 1].format = loctype; port->p_med_cap_enabled |= LLDP_MED_CAP_LOCATION; break; case LLDP_TLV_MED_MDI: CHECK_TLV_SIZE(7, "LLDP-MED PoE-MDI"); power = PEEK_UINT8; switch (power & 0xC0) { case 0x0: port->p_med_power.devicetype = LLDP_MED_POW_TYPE_PSE; port->p_med_cap_enabled |= LLDP_MED_CAP_MDI_PSE; switch (power & 0x30) { case 0x0: port->p_med_power.source = LLDP_MED_POW_SOURCE_UNKNOWN; break; case 0x10: port->p_med_power.source = LLDP_MED_POW_SOURCE_PRIMARY; break; case 0x20: port->p_med_power.source = LLDP_MED_POW_SOURCE_BACKUP; break; default: port->p_med_power.source = LLDP_MED_POW_SOURCE_RESERVED; } break; case 0x40: port->p_med_power.devicetype = LLDP_MED_POW_TYPE_PD; port->p_med_cap_enabled |= LLDP_MED_CAP_MDI_PD; switch (power & 0x30) { case 0x0: port->p_med_power.source = LLDP_MED_POW_SOURCE_UNKNOWN; break; case 0x10: port->p_med_power.source = LLDP_MED_POW_SOURCE_PSE; break; case 0x20: port->p_med_power.source = LLDP_MED_POW_SOURCE_LOCAL; break; default: port->p_med_power.source = LLDP_MED_POW_SOURCE_BOTH; } break; default: port->p_med_power.devicetype = LLDP_MED_POW_TYPE_RESERVED; } if ((power & 0x0F) > LLDP_MED_POW_PRIO_LOW) port->p_med_power.priority = LLDP_MED_POW_PRIO_UNKNOWN; else port->p_med_power.priority = power & 0x0F; port->p_med_power.val = PEEK_UINT16; break; case LLDP_TLV_MED_IV_HW: case LLDP_TLV_MED_IV_SW: case LLDP_TLV_MED_IV_FW: case LLDP_TLV_MED_IV_SN: case LLDP_TLV_MED_IV_MANUF: case LLDP_TLV_MED_IV_MODEL: case LLDP_TLV_MED_IV_ASSET: if (tlv_size <= 4) b = NULL; else { if ((b = (char *)malloc( tlv_size - 3)) == NULL) { log_warn("lldp", "unable to allocate " "memory for LLDP-MED " "inventory for frame " "received on %s", hardware->h_ifname); goto malformed; } PEEK_BYTES(b, tlv_size - 4); b[tlv_size - 4] = '\0'; } switch (tlv_subtype) { case LLDP_TLV_MED_IV_HW: free(chassis->c_med_hw); chassis->c_med_hw = b; break; case LLDP_TLV_MED_IV_FW: free(chassis->c_med_fw); chassis->c_med_fw = b; break; case LLDP_TLV_MED_IV_SW: free(chassis->c_med_sw); chassis->c_med_sw = b; break; case LLDP_TLV_MED_IV_SN: free(chassis->c_med_sn); chassis->c_med_sn = b; break; case LLDP_TLV_MED_IV_MANUF: free(chassis->c_med_manuf); chassis->c_med_manuf = b; break; case LLDP_TLV_MED_IV_MODEL: free(chassis->c_med_model); chassis->c_med_model = b; break; case LLDP_TLV_MED_IV_ASSET: free(chassis->c_med_asset); chassis->c_med_asset = b; break; default: /* unreachable */ free(b); break; } port->p_med_cap_enabled |= LLDP_MED_CAP_IV; break; default: /* Unknown LLDP MED, ignore it */ hardware->h_rx_unrecognized_cnt++; } #endif /* ENABLE_LLDPMED */ } else if (memcmp(dcbx, orgid, sizeof(orgid)) == 0) { log_debug("lldp", "unsupported DCBX tlv received on %s - ignore", hardware->h_ifname); unrecognized = 1; } else { log_debug("lldp", "unknown org tlv [%02x:%02x:%02x] received on %s", orgid[0], orgid[1], orgid[2], hardware->h_ifname); unrecognized = 1; } if (unrecognized) { hardware->h_rx_unrecognized_cnt++; #ifdef ENABLE_CUSTOM custom = (struct lldpd_custom *)calloc(1, sizeof(struct lldpd_custom)); if (!custom) { log_warn("lldp", "unable to allocate memory for custom TLV"); goto malformed; } custom->oui_info_len = tlv_size > 4 ? tlv_size - 4 : 0; memcpy(custom->oui, orgid, sizeof(custom->oui)); custom->subtype = tlv_subtype; if (custom->oui_info_len > 0) { custom->oui_info = malloc(custom->oui_info_len); if (!custom->oui_info) { log_warn("lldp", "unable to allocate memory for custom TLV data"); goto malformed; } PEEK_BYTES(custom->oui_info, custom->oui_info_len); } TAILQ_INSERT_TAIL(&port->p_custom_list, custom, next); custom = NULL; #endif } break; default: log_warnx("lldp", "unknown tlv (%d) received on %s", tlv_type, hardware->h_ifname); hardware->h_rx_unrecognized_cnt++; break; } if (pos > tlv + tlv_size) { log_warnx("lldp", "BUG: already past TLV!"); goto malformed; } PEEK_DISCARD(tlv + tlv_size - pos); } /* Some random check */ if ((chassis->c_id == NULL) || (port->p_id == NULL) || (!ttl_received) || (gotend == 0)) { log_warnx("lldp", "some mandatory tlv are missing for frame received on %s", hardware->h_ifname); goto malformed; } *newchassis = chassis; *newport = port; return 1; malformed: #ifdef ENABLE_CUSTOM free(custom); #endif #ifdef ENABLE_DOT1 free(vlan); free(pi); #endif lldpd_chassis_cleanup(chassis, 1); lldpd_port_cleanup(port, 1); free(port); return -1; } lldpd-1.0.18/src/daemon/protocols/sonmp.c0000644000076400001440000003321614532716672017536 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "../lldpd.h" #include "../frame.h" #ifdef ENABLE_SONMP # include # include # include # include static struct sonmp_chassis sonmp_chassis_types[] = { { 1, "unknown (via SONMP)" }, { 2, "Nortel 3000" }, { 3, "Nortel 3030" }, { 4, "Nortel 2310" }, { 5, "Nortel 2810" }, { 6, "Nortel 2912" }, { 7, "Nortel 2914" }, { 8, "Nortel 271x" }, { 9, "Nortel 2813" }, { 10, "Nortel 2814" }, { 11, "Nortel 2915" }, { 12, "Nortel 5000" }, { 13, "Nortel 2813SA" }, { 14, "Nortel 2814SA" }, { 15, "Nortel 810M" }, { 16, "Nortel EtherCell" }, { 17, "Nortel 5005" }, { 18, "Alcatel Ethernet workgroup conc." }, { 20, "Nortel 2715SA" }, { 21, "Nortel 2486" }, { 22, "Nortel 28000 series" }, { 23, "Nortel 23000 series" }, { 24, "Nortel 5DN00x series" }, { 25, "BayStack Ethernet" }, { 26, "Nortel 23100 series" }, { 27, "Nortel 100Base-T Hub" }, { 28, "Nortel 3000 Fast Ethernet" }, { 29, "Nortel Orion switch" }, { 30, "unknown" }, { 31, "Nortel DDS " }, { 32, "Nortel Centillion" }, { 33, "Nortel Centillion" }, { 34, "Nortel Centillion" }, { 35, "BayStack 301" }, { 36, "BayStack TokenRing Hub" }, { 37, "Nortel FVC Multimedia Switch" }, { 38, "Nortel Switch Node" }, { 39, "BayStack 302 Switch" }, { 40, "BayStack 350 Switch" }, { 41, "BayStack 150 Ethernet Hub" }, { 42, "Nortel Centillion 50N switch" }, { 43, "Nortel Centillion 50T switch" }, { 44, "BayStack 303 and 304 Switches" }, { 45, "BayStack 200 Ethernet Hub" }, { 46, "BayStack 250 10/100 Ethernet Hub" }, { 48, "BayStack 450 10/100/1000 Switches" }, { 49, "BayStack 410 10/100 Switches" }, { 50, "Nortel Ethernet Routing 1200 L3 Switch" }, { 51, "Nortel Ethernet Routing 1250 L3 Switch" }, { 52, "Nortel Ethernet Routing 1100 L3 Switch" }, { 53, "Nortel Ethernet Routing 1150 L3 Switch" }, { 54, "Nortel Ethernet Routing 1050 L3 Switch" }, { 55, "Nortel Ethernet Routing 1051 L3 Switch" }, { 56, "Nortel Ethernet Routing 8610 L3 Switch" }, { 57, "Nortel Ethernet Routing 8606 L3 Switch" }, { 58, "Nortel Ethernet Routing Switch 8010" }, { 59, "Nortel Ethernet Routing Switch 8006" }, { 60, "BayStack 670 wireless access point" }, { 61, "Nortel Ethernet Routing Switch 740 " }, { 62, "Nortel Ethernet Routing Switch 750 " }, { 63, "Nortel Ethernet Routing Switch 790" }, { 64, "Nortel Business Policy Switch 2000 10/100 Switches" }, { 65, "Nortel Ethernet Routing 8110 L2 Switch" }, { 66, "Nortel Ethernet Routing 8106 L2 Switch" }, { 67, "BayStack 3580 Gig Switch" }, { 68, "BayStack 10 Power Supply Unit" }, { 69, "BayStack 420 10/100 Switch" }, { 70, "OPTera Metro 1200 Ethernet Service Module" }, { 71, "Nortel Ethernet Routing Switch 8010co" }, { 72, "Nortel Ethernet Routing 8610co L3 switch" }, { 73, "Nortel Ethernet Routing 8110co L2 switch" }, { 74, "Nortel Ethernet Routing 8003" }, { 75, "Nortel Ethernet Routing 8603 L3 switch" }, { 76, "Nortel Ethernet Routing 8103 L2 switch" }, { 77, "BayStack 380 10/100/1000 Switch" }, { 78, "Nortel Ethernet Switch 470-48T" }, { 79, "OPTera Metro 1450 Ethernet Service Module" }, { 80, "OPTera Metro 1400 Ethernet Service Module" }, { 81, "Alteon Switch Family" }, { 82, "Ethernet Switch 460-24T-PWR" }, { 83, "OPTera Metro 8010 OPM L2 Switch" }, { 84, "OPTera Metro 8010co OPM L2 Switch" }, { 85, "OPTera Metro 8006 OPM L2 Switch" }, { 86, "OPTera Metro 8003 OPM L2 Switch" }, { 87, "Alteon 180e" }, { 88, "Alteon AD3" }, { 89, "Alteon 184" }, { 90, "Alteon AD4" }, { 91, "Nortel Ethernet Routing 1424 L3 switch" }, { 92, "Nortel Ethernet Routing 1648 L3 switch" }, { 93, "Nortel Ethernet Routing 1612 L3 switch" }, { 94, "Nortel Ethernet Routing 1624 L3 switch " }, { 95, "BayStack 380-24F Fiber 1000 Switch" }, { 96, "Nortel Ethernet Routing Switch 5510-24T" }, { 97, "Nortel Ethernet Routing Switch 5510-48T" }, { 98, "Nortel Ethernet Switch 470-24T" }, { 99, "Nortel Networks Wireless LAN Access Point 2220" }, { 100, "Ethernet Routing RBS 2402 L3 switch" }, { 101, "Alteon Application Switch 2424 " }, { 102, "Alteon Application Switch 2224 " }, { 103, "Alteon Application Switch 2208 " }, { 104, "Alteon Application Switch 2216" }, { 105, "Alteon Application Switch 3408" }, { 106, "Alteon Application Switch 3416" }, { 107, "Nortel Networks Wireless LAN SecuritySwitch 2250" }, { 108, "Ethernet Switch 425-48T" }, { 109, "Ethernet Switch 425-24T" }, { 110, "Nortel Networks Wireless LAN Access Point 2221" }, { 111, "Nortel Metro Ethernet Service Unit 24-T SPF switch" }, { 112, "Nortel Metro Ethernet Service Unit 24-T LX DC switch" }, { 113, "Nortel Ethernet Routing Switch 8300 10-slot chassis" }, { 114, "Nortel Ethernet Routing Switch 8300 6-slot chassis" }, { 115, "Nortel Ethernet Routing Switch 5520-24T-PWR" }, { 116, "Nortel Ethernet Routing Switch 5520-48T-PWR" }, { 117, "Nortel Networks VPN Gateway 3050" }, { 118, "Alteon SSL 310 10/100" }, { 119, "Alteon SSL 310 10/100 Fiber" }, { 120, "Alteon SSL 310 10/100 FIPS" }, { 121, "Alteon SSL 410 10/100/1000" }, { 122, "Alteon SSL 410 10/100/1000 Fiber" }, { 123, "Alteon Application Switch 2424-SSL" }, { 124, "Nortel Ethernet Switch 325-24T" }, { 125, "Nortel Ethernet Switch 325-24G" }, { 126, "Nortel Networks Wireless LAN Access Point 2225" }, { 127, "Nortel Networks Wireless LAN SecuritySwitch 2270" }, { 128, "Nortel 24-port Ethernet Switch 470-24T-PWR" }, { 129, "Nortel 48-port Ethernet Switch 470-48T-PWR" }, { 130, "Nortel Ethernet Routing Switch 5530-24TFD" }, { 131, "Nortel Ethernet Switch 3510-24T" }, { 132, "Nortel Metro Ethernet Service Unit 12G AC L3 switch" }, { 133, "Nortel Metro Ethernet Service Unit 12G DC L3 switch" }, { 134, "Nortel Secure Access Switch" }, { 135, "Networks VPN Gateway 3070" }, { 136, "OPTera Metro 3500" }, { 137, "SMB BES 1010 24T" }, { 138, "SMB BES 1010 48T" }, { 139, "SMB BES 1020 24T PWR" }, { 140, "SMB BES 1020 48T PWR" }, { 141, "SMB BES 2010 24T" }, { 142, "SMB BES 2010 48T" }, { 143, "SMB BES 2020 24T PWR" }, { 144, "SMB BES 2020 48T PWR" }, { 145, "SMB BES 110 24T" }, { 146, "SMB BES 110 48T" }, { 147, "SMB BES 120 24T PWR" }, { 148, "SMB BES 120 48T PWR" }, { 149, "SMB BES 210 24T" }, { 150, "SMB BES 210 48T" }, { 151, "SMB BES 220 24T PWR" }, { 152, "SMB BES 220 48T PWR" }, { 153, "OME 6500" }, { 0, "unknown (via SONMP)" }, }; int sonmp_send(struct lldpd *global, struct lldpd_hardware *hardware) { const u_int8_t mcastaddr[] = SONMP_MULTICAST_ADDR; const u_int8_t llcorg[] = LLC_ORG_NORTEL; struct lldpd_chassis *chassis; struct lldpd_mgmt *mgmt; u_int8_t *packet, *pos, *pos_pid, *end; int length; struct in_addr address; log_debug("sonmp", "send SONMP PDU to %s", hardware->h_ifname); chassis = hardware->h_lport.p_chassis; length = hardware->h_mtu; if ((packet = (u_int8_t *)calloc(1, length)) == NULL) return ENOMEM; pos = packet; /* Ethernet header */ if (!( /* SONMP multicast address as target */ POKE_BYTES(mcastaddr, sizeof(mcastaddr)) && /* Source MAC addresss */ POKE_BYTES(&hardware->h_lladdr, ETHER_ADDR_LEN) && /* SONMP frame is of fixed size */ POKE_UINT16(SONMP_SIZE))) goto toobig; /* LLC header */ if (!( /* DSAP and SSAP */ POKE_UINT8(0xaa) && POKE_UINT8(0xaa) && /* Control field */ POKE_UINT8(0x03) && /* ORG */ POKE_BYTES(llcorg, sizeof(llcorg)) && POKE_SAVE(pos_pid) && /* We will modify PID later to create a new frame */ POKE_UINT16(LLC_PID_SONMP_HELLO))) goto toobig; address.s_addr = htonl(INADDR_ANY); TAILQ_FOREACH (mgmt, &chassis->c_mgmt, m_entries) { if (mgmt->m_family == LLDPD_AF_IPV4) { address.s_addr = mgmt->m_addr.inet.s_addr; } break; } /* SONMP */ if (!( /* Our IP address */ POKE_BYTES(&address, sizeof(struct in_addr)) && /* Segment on three bytes, we don't have slots, so we skip the first two bytes */ POKE_UINT16(0) && POKE_UINT8(hardware->h_ifindex) && POKE_UINT8(1) && /* Chassis: Other */ POKE_UINT8(12) && /* Back: Ethernet, Fast Ethernet and Gigabit */ POKE_UINT8(SONMP_TOPOLOGY_NEW) && /* Should work. We have no state */ POKE_UINT8(1) && /* Links: Dunno what it is */ POKE_SAVE(end))) goto toobig; if (interfaces_send_helper(global, hardware, (char *)packet, end - packet) == -1) { log_warn("sonmp", "unable to send packet on real device for %s", hardware->h_ifname); free(packet); return ENETDOWN; } POKE_RESTORE(pos_pid); /* Modify LLC PID */ (void)POKE_UINT16(LLC_PID_SONMP_FLATNET); POKE_RESTORE(packet); /* Go to the beginning */ PEEK_DISCARD(ETHER_ADDR_LEN - 1); /* Modify the last byte of the MAC address */ (void)POKE_UINT8(1); if (interfaces_send_helper(global, hardware, (char *)packet, end - packet) == -1) { log_warn("sonmp", "unable to send second SONMP packet on real device for %s", hardware->h_ifname); free(packet); return ENETDOWN; } free(packet); hardware->h_tx_cnt++; return 0; toobig: free(packet); return -1; } int sonmp_decode(struct lldpd *cfg, char *frame, int s, struct lldpd_hardware *hardware, struct lldpd_chassis **newchassis, struct lldpd_port **newport) { const u_int8_t mcastaddr[] = SONMP_MULTICAST_ADDR; struct lldpd_chassis *chassis; struct lldpd_port *port; struct lldpd_mgmt *mgmt; int length, i; u_int8_t *pos; u_int8_t seg[3], rchassis; struct in_addr address; log_debug("sonmp", "decode SONMP PDU from %s", hardware->h_ifname); if ((chassis = calloc(1, sizeof(struct lldpd_chassis))) == NULL) { log_warn("sonmp", "failed to allocate remote chassis"); return -1; } TAILQ_INIT(&chassis->c_mgmt); if ((port = calloc(1, sizeof(struct lldpd_port))) == NULL) { log_warn("sonmp", "failed to allocate remote port"); free(chassis); return -1; } # ifdef ENABLE_DOT1 TAILQ_INIT(&port->p_vlans); # endif length = s; pos = (u_int8_t *)frame; if (length < SONMP_SIZE + 2 * ETHER_ADDR_LEN + sizeof(u_int16_t)) { log_warnx("sonmp", "too short SONMP frame received on %s", hardware->h_ifname); goto malformed; } if (PEEK_CMP(mcastaddr, sizeof(mcastaddr)) != 0) /* There is two multicast address. We just handle only one of * them. */ goto malformed; /* We skip to LLC PID */ PEEK_DISCARD(ETHER_ADDR_LEN); PEEK_DISCARD_UINT16; PEEK_DISCARD(6); if (PEEK_UINT16 != LLC_PID_SONMP_HELLO) { log_debug("sonmp", "incorrect LLC protocol ID received for SONMP on %s", hardware->h_ifname); goto malformed; } chassis->c_id_subtype = LLDP_CHASSISID_SUBTYPE_ADDR; if ((chassis->c_id = calloc(1, sizeof(struct in_addr) + 1)) == NULL) { log_warn("sonmp", "unable to allocate memory for chassis id on %s", hardware->h_ifname); goto malformed; } chassis->c_id_len = sizeof(struct in_addr) + 1; chassis->c_id[0] = 1; PEEK_BYTES(&address, sizeof(struct in_addr)); memcpy(chassis->c_id + 1, &address, sizeof(struct in_addr)); if (asprintf(&chassis->c_name, "%s", inet_ntoa(address)) == -1) { log_warnx("sonmp", "unable to write chassis name for %s", hardware->h_ifname); goto malformed; } PEEK_BYTES(seg, sizeof(seg)); rchassis = PEEK_UINT8; for (i = 0; sonmp_chassis_types[i].type != 0; i++) { if (sonmp_chassis_types[i].type == rchassis) break; } if (asprintf(&chassis->c_descr, "%s", sonmp_chassis_types[i].description) == -1) { log_warnx("sonmp", "unable to write chassis description for %s", hardware->h_ifname); goto malformed; } mgmt = lldpd_alloc_mgmt(LLDPD_AF_IPV4, &address, sizeof(struct in_addr), 0); if (mgmt == NULL) { if (errno == ENOMEM) log_warn("sonmp", "unable to allocate memory for management address"); else log_warn("sonmp", "too large management address received on %s", hardware->h_ifname); goto malformed; } TAILQ_INSERT_TAIL(&chassis->c_mgmt, mgmt, m_entries); port->p_ttl = cfg ? (cfg->g_config.c_tx_interval * cfg->g_config.c_tx_hold) : LLDPD_TTL; port->p_ttl = (port->p_ttl + 999) / 1000; port->p_id_subtype = LLDP_PORTID_SUBTYPE_LOCAL; port->p_id_len = asprintf(&port->p_id, "%02x-%02x-%02x", seg[0], seg[1], seg[2]); if (port->p_id_len == -1) { log_warn("sonmp", "unable to allocate memory for port id on %s", hardware->h_ifname); goto malformed; } /* Port description depend on the number of segments */ if ((seg[0] == 0) && (seg[1] == 0)) { if (asprintf(&port->p_descr, "port %d", seg[2]) == -1) { log_warnx("sonmp", "unable to write port description for %s", hardware->h_ifname); goto malformed; } } else if (seg[0] == 0) { if (asprintf(&port->p_descr, "port %d/%d", seg[1], seg[2]) == -1) { log_warnx("sonmp", "unable to write port description for %s", hardware->h_ifname); goto malformed; } } else { if (asprintf(&port->p_descr, "port %x:%x:%x", seg[0], seg[1], seg[2]) == -1) { log_warnx("sonmp", "unable to write port description for %s", hardware->h_ifname); goto malformed; } } *newchassis = chassis; *newport = port; return 1; malformed: lldpd_chassis_cleanup(chassis, 1); lldpd_port_cleanup(port, 1); free(port); return -1; } #endif /* ENABLE_SONMP */ lldpd-1.0.18/src/daemon/protocols/edp.c0000644000076400001440000003564314532716672017160 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "../lldpd.h" #include "../frame.h" #ifdef ENABLE_EDP # include # include # include # include # include static int seq = 0; int edp_send(struct lldpd *global, struct lldpd_hardware *hardware) { const u_int8_t mcastaddr[] = EDP_MULTICAST_ADDR; const u_int8_t llcorg[] = LLC_ORG_EXTREME; struct lldpd_chassis *chassis; int length, i, v; u_int8_t *packet, *pos, *pos_llc, *pos_len_eh, *pos_len_edp, *pos_edp, *tlv, *end; u_int16_t checksum; # ifdef ENABLE_DOT1 struct lldpd_vlan *vlan; unsigned int state = 0; # endif u_int8_t edp_fakeversion[] = { 7, 6, 4, 99 }; /* Subsequent XXX can be replaced by other values. We place them here to ensure the position of "" to be a bit invariant with version changes. */ const char *deviceslot[] = { "eth", "veth", "XXX", "XXX", "XXX", "XXX", "XXX", "XXX", "", NULL }; log_debug("edp", "send EDP frame on port %s", hardware->h_ifname); chassis = hardware->h_lport.p_chassis; # ifdef ENABLE_DOT1 while (state != 2) { # endif length = hardware->h_mtu; if ((packet = (u_int8_t *)calloc(1, length)) == NULL) return ENOMEM; pos = packet; v = 0; /* Ethernet header */ if (!(POKE_BYTES(mcastaddr, sizeof(mcastaddr)) && POKE_BYTES(&hardware->h_lladdr, ETHER_ADDR_LEN) && POKE_SAVE(pos_len_eh) && /* We compute the len later */ POKE_UINT16(0))) goto toobig; /* LLC */ if (!(POKE_SAVE(pos_llc) && /* We need to save our current position to compute ethernet len */ /* SSAP and DSAP */ POKE_UINT8(0xaa) && POKE_UINT8(0xaa) && /* Control field */ POKE_UINT8(0x03) && /* ORG */ POKE_BYTES(llcorg, sizeof(llcorg)) && POKE_UINT16(LLC_PID_EDP))) goto toobig; /* EDP header */ if ((chassis->c_id_len != ETHER_ADDR_LEN) || (chassis->c_id_subtype != LLDP_CHASSISID_SUBTYPE_LLADDR)) { log_warnx("edp", "local chassis does not use MAC address as chassis ID!?"); free(packet); return EINVAL; } if (!(POKE_SAVE(pos_edp) && /* Save the start of EDP frame */ POKE_UINT8(1) && POKE_UINT8(0) && POKE_SAVE(pos_len_edp) && /* We compute the len and the checksum later */ POKE_UINT32(0) && /* Len + Checksum */ POKE_UINT16(seq) && POKE_UINT16(0) && POKE_BYTES(chassis->c_id, ETHER_ADDR_LEN))) goto toobig; seq++; # ifdef ENABLE_DOT1 switch (state) { case 0: # endif /* Display TLV */ if (!(POKE_START_EDP_TLV(EDP_TLV_DISPLAY) && POKE_BYTES(chassis->c_name, strlen(chassis->c_name)) && POKE_UINT8(0) && /* Add a NULL character for better compatibility */ POKE_END_EDP_TLV)) goto toobig; /* Info TLV */ if (!(POKE_START_EDP_TLV(EDP_TLV_INFO))) goto toobig; /* We try to emulate the slot thing */ for (i = 0; deviceslot[i] != NULL; i++) { if (strncmp(hardware->h_ifname, deviceslot[i], strlen(deviceslot[i])) == 0) { if (!(POKE_UINT16(i) && POKE_UINT16(atoi(hardware->h_ifname + strlen(deviceslot[i]))))) goto toobig; break; } } /* If we don't find a "slot", we say that the interface is in slot 8 */ if (deviceslot[i] == NULL) { if (!(POKE_UINT16(8) && POKE_UINT16(hardware->h_ifindex))) goto toobig; } if (!(POKE_UINT16(0) && /* vchassis */ POKE_UINT32(0) && POKE_UINT16(0) && /* Reserved */ /* Version */ POKE_BYTES(edp_fakeversion, sizeof(edp_fakeversion)) && /* Connections, we say that we won't have more interfaces than this mask. */ POKE_UINT32(0xffffffff) && POKE_UINT32(0) && POKE_UINT32(0) && POKE_UINT32(0) && POKE_END_EDP_TLV)) goto toobig; # ifdef ENABLE_DOT1 break; case 1: TAILQ_FOREACH (vlan, &hardware->h_lport.p_vlans, v_entries) { v++; if (!(POKE_START_EDP_TLV(EDP_TLV_VLAN) && POKE_UINT8(0) && /* Flags: no IP address */ POKE_UINT8(0) && /* Reserved */ POKE_UINT16(vlan->v_vid) && POKE_UINT32(0) && /* Reserved */ POKE_UINT32(0) && /* IP address */ /* VLAN name */ POKE_BYTES(vlan->v_name, strlen(vlan->v_name)) && POKE_UINT8(0) && POKE_END_EDP_TLV)) goto toobig; } break; } if ((state == 1) && (v == 0)) { /* No VLAN, no need to send another TLV */ free(packet); break; } # endif /* Null TLV */ if (!(POKE_START_EDP_TLV(EDP_TLV_NULL) && POKE_END_EDP_TLV && POKE_SAVE(end))) goto toobig; /* Compute len and checksum */ i = end - pos_llc; /* Ethernet length */ v = end - pos_edp; /* EDP length */ POKE_RESTORE(pos_len_eh); if (!(POKE_UINT16(i))) goto toobig; POKE_RESTORE(pos_len_edp); if (!(POKE_UINT16(v))) goto toobig; checksum = frame_checksum(pos_edp, v, 0); if (!(POKE_UINT16(checksum))) goto toobig; if (interfaces_send_helper(global, hardware, (char *)packet, end - packet) == -1) { log_warn("edp", "unable to send packet on real device for %s", hardware->h_ifname); free(packet); return ENETDOWN; } free(packet); # ifdef ENABLE_DOT1 state++; } # endif hardware->h_tx_cnt++; return 0; toobig: free(packet); return E2BIG; } # define CHECK_TLV_SIZE(x, name) \ do { \ if (tlv_len < (x)) { \ log_warnx("edp", name " EDP TLV too short received on %s", \ hardware->h_ifname); \ goto malformed; \ } \ } while (0) int edp_decode(struct lldpd *cfg, char *frame, int s, struct lldpd_hardware *hardware, struct lldpd_chassis **newchassis, struct lldpd_port **newport) { struct lldpd_chassis *chassis; struct lldpd_port *port; # ifdef ENABLE_DOT1 struct lldpd_mgmt *mgmt, *mgmt_next, *m; struct lldpd_vlan *lvlan = NULL, *lvlan_next; # endif const unsigned char edpaddr[] = EDP_MULTICAST_ADDR; int length, gotend = 0, gotvlans = 0, edp_len, tlv_len, tlv_type; int edp_port, edp_slot; u_int8_t *pos, *pos_edp, *tlv; u_int8_t version[4]; # ifdef ENABLE_DOT1 struct in_addr address; struct lldpd_port *oport; # endif log_debug("edp", "decode EDP frame on port %s", hardware->h_ifname); if ((chassis = calloc(1, sizeof(struct lldpd_chassis))) == NULL) { log_warn("edp", "failed to allocate remote chassis"); return -1; } TAILQ_INIT(&chassis->c_mgmt); if ((port = calloc(1, sizeof(struct lldpd_port))) == NULL) { log_warn("edp", "failed to allocate remote port"); free(chassis); return -1; } # ifdef ENABLE_DOT1 TAILQ_INIT(&port->p_vlans); # endif length = s; pos = (u_int8_t *)frame; if (length < 2 * ETHER_ADDR_LEN + sizeof(u_int16_t) + 8 /* LLC */ + 10 + ETHER_ADDR_LEN /* EDP header */) { log_warnx("edp", "too short EDP frame received on %s", hardware->h_ifname); goto malformed; } if (PEEK_CMP(edpaddr, sizeof(edpaddr)) != 0) { log_info("edp", "frame not targeted at EDP multicast address received on %s", hardware->h_ifname); goto malformed; } PEEK_DISCARD(ETHER_ADDR_LEN); PEEK_DISCARD_UINT16; PEEK_DISCARD(6); /* LLC: DSAP + SSAP + control + org */ if (PEEK_UINT16 != LLC_PID_EDP) { log_debug("edp", "incorrect LLC protocol ID received on %s", hardware->h_ifname); goto malformed; } (void)PEEK_SAVE(pos_edp); /* Save the start of EDP packet */ if (PEEK_UINT8 != 1) { log_warnx("edp", "incorrect EDP version for frame received on %s", hardware->h_ifname); goto malformed; } PEEK_DISCARD_UINT8; /* Reserved */ edp_len = PEEK_UINT16; PEEK_DISCARD_UINT16; /* Checksum */ PEEK_DISCARD_UINT16; /* Sequence */ if (PEEK_UINT16 != 0) { /* ID Type = 0 = MAC */ log_warnx("edp", "incorrect device id type for frame received on %s", hardware->h_ifname); goto malformed; } if (edp_len > length + 10) { log_warnx("edp", "incorrect size for EDP frame received on %s", hardware->h_ifname); goto malformed; } port->p_ttl = cfg ? cfg->g_config.c_tx_interval * cfg->g_config.c_tx_hold : 0; port->p_ttl = (port->p_ttl + 999) / 1000; chassis->c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR; chassis->c_id_len = ETHER_ADDR_LEN; if ((chassis->c_id = (char *)malloc(ETHER_ADDR_LEN)) == NULL) { log_warn("edp", "unable to allocate memory for chassis ID"); goto malformed; } PEEK_BYTES(chassis->c_id, ETHER_ADDR_LEN); # ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION /* Let's check checksum */ if (frame_checksum(pos_edp, edp_len, 0) != 0) { log_warnx("edp", "incorrect EDP checksum for frame received on %s", hardware->h_ifname); goto malformed; } # endif while (length && !gotend) { if (length < 4) { log_warnx("edp", "EDP TLV header is too large for " "frame received on %s", hardware->h_ifname); goto malformed; } if (PEEK_UINT8 != EDP_TLV_MARKER) { log_warnx("edp", "incorrect marker starting EDP TLV header for frame " "received on %s", hardware->h_ifname); goto malformed; } tlv_type = PEEK_UINT8; tlv_len = PEEK_UINT16 - 4; (void)PEEK_SAVE(tlv); if ((tlv_len < 0) || (tlv_len > length)) { log_debug("edp", "incorrect size in EDP TLV header for frame " "received on %s", hardware->h_ifname); /* Some poor old Extreme Summit are quite bogus */ gotend = 1; break; } switch (tlv_type) { case EDP_TLV_INFO: CHECK_TLV_SIZE(32, "Info"); port->p_id_subtype = LLDP_PORTID_SUBTYPE_IFNAME; edp_slot = PEEK_UINT16; edp_port = PEEK_UINT16; free(port->p_id); port->p_id_len = asprintf(&port->p_id, "%d/%d", edp_slot + 1, edp_port + 1); if (port->p_id_len == -1) { log_warn("edp", "unable to allocate memory for " "port ID"); goto malformed; } free(port->p_descr); if (asprintf(&port->p_descr, "Slot %d / Port %d", edp_slot + 1, edp_port + 1) == -1) { log_warn("edp", "unable to allocate memory for " "port description"); goto malformed; } PEEK_DISCARD_UINT16; /* vchassis */ PEEK_DISCARD(6); /* Reserved */ PEEK_BYTES(version, 4); free(chassis->c_descr); if (asprintf(&chassis->c_descr, "EDP enabled device, version %d.%d.%d.%d", version[0], version[1], version[2], version[3]) == -1) { log_warn("edp", "unable to allocate memory for " "chassis description"); goto malformed; } break; case EDP_TLV_DISPLAY: free(chassis->c_name); if ((chassis->c_name = (char *)calloc(1, tlv_len + 1)) == NULL) { log_warn("edp", "unable to allocate memory for chassis " "name"); goto malformed; } /* TLV display contains a lot of garbage */ PEEK_BYTES(chassis->c_name, tlv_len); break; case EDP_TLV_NULL: if (tlv_len != 0) { log_warnx("edp", "null tlv with incorrect size in frame " "received on %s", hardware->h_ifname); goto malformed; } if (length) log_debug("edp", "extra data after edp frame on %s", hardware->h_ifname); gotend = 1; break; case EDP_TLV_VLAN: # ifdef ENABLE_DOT1 CHECK_TLV_SIZE(12, "VLAN"); if ((lvlan = (struct lldpd_vlan *)calloc(1, sizeof(struct lldpd_vlan))) == NULL) { log_warn("edp", "unable to allocate vlan"); goto malformed; } PEEK_DISCARD_UINT16; /* Flags + reserved */ lvlan->v_vid = PEEK_UINT16; /* VID */ PEEK_DISCARD(4); /* Reserved */ PEEK_BYTES(&address, sizeof(address)); if (address.s_addr != INADDR_ANY) { mgmt = lldpd_alloc_mgmt(LLDPD_AF_IPV4, &address, sizeof(struct in_addr), 0); if (mgmt == NULL) { log_warn("edp", "Out of memory"); goto malformed; } TAILQ_INSERT_TAIL(&chassis->c_mgmt, mgmt, m_entries); } if ((lvlan->v_name = (char *)calloc(1, tlv_len + 1 - 12)) == NULL) { log_warn("edp", "unable to allocate vlan name"); goto malformed; } PEEK_BYTES(lvlan->v_name, tlv_len - 12); TAILQ_INSERT_TAIL(&port->p_vlans, lvlan, v_entries); lvlan = NULL; # endif gotvlans = 1; break; default: log_debug("edp", "unknown EDP TLV type (%d) received on %s", tlv_type, hardware->h_ifname); hardware->h_rx_unrecognized_cnt++; } PEEK_DISCARD(tlv + tlv_len - pos); } if ((chassis->c_id == NULL) || (port->p_id == NULL) || (chassis->c_name == NULL) || (chassis->c_descr == NULL) || (port->p_descr == NULL) || (gotend == 0)) { # ifdef ENABLE_DOT1 if (gotvlans && gotend) { /* VLAN can be sent in a separate frames. We need to add * those vlans to an existing port */ TAILQ_FOREACH (oport, &hardware->h_rports, p_entries) { if (!((oport->p_protocol == LLDPD_MODE_EDP) && (oport->p_chassis->c_id_subtype == chassis->c_id_subtype) && (oport->p_chassis->c_id_len == chassis->c_id_len) && (memcmp(oport->p_chassis->c_id, chassis->c_id, chassis->c_id_len) == 0))) continue; /* We attach the VLANs to the found port */ lldpd_vlan_cleanup(oport); for (lvlan = TAILQ_FIRST(&port->p_vlans); lvlan != NULL; lvlan = lvlan_next) { lvlan_next = TAILQ_NEXT(lvlan, v_entries); TAILQ_REMOVE(&port->p_vlans, lvlan, v_entries); TAILQ_INSERT_TAIL(&oport->p_vlans, lvlan, v_entries); } /* And the IP addresses */ for (mgmt = TAILQ_FIRST(&chassis->c_mgmt); mgmt != NULL; mgmt = mgmt_next) { mgmt_next = TAILQ_NEXT(mgmt, m_entries); TAILQ_REMOVE(&chassis->c_mgmt, mgmt, m_entries); /* Don't add an address that already exists! */ TAILQ_FOREACH (m, &chassis->c_mgmt, m_entries) if (m->m_family == mgmt->m_family && !memcmp(&m->m_addr, &mgmt->m_addr, sizeof(m->m_addr))) break; if (m == NULL) TAILQ_INSERT_TAIL( &oport->p_chassis->c_mgmt, mgmt, m_entries); } } /* We discard the remaining frame */ goto malformed; } # else if (gotvlans) goto malformed; # endif log_warnx("edp", "some mandatory tlv are missing for frame received on %s", hardware->h_ifname); goto malformed; } *newchassis = chassis; *newport = port; return 1; malformed: # ifdef ENABLE_DOT1 free(lvlan); # endif lldpd_chassis_cleanup(chassis, 1); lldpd_port_cleanup(port, 1); free(port); return -1; } #endif /* ENABLE_EDP */ lldpd-1.0.18/src/daemon/protocols/cdp.c0000644000076400001440000005255214532716672017154 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* We also supports FDP which is very similar to CDPv1 */ #include "../lldpd.h" #include "../frame.h" /* * CDP Requests Power at the switch output and therefore has to take into * account the loss in the PoE cable. This is done by the switch automatically * if lldp is used as the protocol. */ #define CDP_CLASS_3_MAX_PSE_POE 154 /* 15.4W Max PoE at PSE class 3 */ #define CDP_SWTICH_DEFAULT_POE_PD 130 /* 13.W default PoE at PD */ #define CDP_SWTICH_DEFAULT_POE_PSE 154 /* 15.4W default PoE at PSE */ #define CDP_SWITCH_POE_CLASS_4_OFFSET 45 /* 4.5W max loss from cable */ #define CDP_SWITCH_POE_CLASS_3_OFFSET 24 /* 2.4W max loss from cable */ #if defined ENABLE_CDP || defined ENABLE_FDP # include # include # include # include static int cdp_send(struct lldpd *global, struct lldpd_hardware *hardware, int version) { const char *platform = "Unknown"; struct lldpd_chassis *chassis; struct lldpd_mgmt *mgmt; struct lldpd_port *port; u_int8_t mcastaddr[] = CDP_MULTICAST_ADDR; u_int8_t llcorg[] = LLC_ORG_CISCO; # ifdef ENABLE_FDP const char *capstr; # endif u_int16_t checksum; int length, i; u_int32_t cap; u_int8_t *packet; u_int8_t *pos, *pos_len_eh, *pos_llc, *pos_cdp, *pos_checksum, *tlv, *end; log_debug("cdp", "send CDP frame on %s", hardware->h_ifname); port = &(hardware->h_lport); chassis = port->p_chassis; # ifdef ENABLE_FDP if (version == 0) { /* With FDP, change multicast address and LLC PID */ const u_int8_t fdpmcastaddr[] = FDP_MULTICAST_ADDR; const u_int8_t fdpllcorg[] = LLC_ORG_FOUNDRY; memcpy(mcastaddr, fdpmcastaddr, sizeof(mcastaddr)); memcpy(llcorg, fdpllcorg, sizeof(llcorg)); } # endif length = hardware->h_mtu; if ((packet = (u_int8_t *)calloc(1, length)) == NULL) return ENOMEM; pos = packet; /* Ethernet header */ if (!(POKE_BYTES(mcastaddr, sizeof(mcastaddr)) && POKE_BYTES(&hardware->h_lladdr, ETHER_ADDR_LEN) && POKE_SAVE(pos_len_eh) && /* We compute the len later */ POKE_UINT16(0))) goto toobig; /* LLC */ if (!(POKE_SAVE(pos_llc) && POKE_UINT8(0xaa) && /* SSAP */ POKE_UINT8(0xaa) && /* DSAP */ POKE_UINT8(0x03) && /* Control field */ POKE_BYTES(llcorg, sizeof(llcorg)) && POKE_UINT16(LLC_PID_CDP))) goto toobig; /* CDP header */ if (!(POKE_SAVE(pos_cdp) && POKE_UINT8((version == 0) ? 1 : version) && POKE_UINT8(global ? global->g_config.c_ttl : 180) && POKE_SAVE(pos_checksum) && /* Save checksum position */ POKE_UINT16(0))) goto toobig; /* Chassis ID */ const char *chassis_name = chassis->c_name ? chassis->c_name : ""; if (!(POKE_START_CDP_TLV(CDP_TLV_CHASSIS) && POKE_BYTES(chassis_name, strlen(chassis_name)) && POKE_END_CDP_TLV)) goto toobig; /* Adresses */ /* See: * http://www.cisco.com/univercd/cc/td/doc/product/lan/trsrb/frames.htm#xtocid12 * * It seems that Cisco implies that CDP supports IPv6 using * 802.2 address format with 0xAAAA03 0x000000 0x0800, but * 0x0800 is the Ethernet protocol type for IPv4. Therefore, * we support only IPv4. */ i = 0; TAILQ_FOREACH (mgmt, &chassis->c_mgmt, m_entries) if (mgmt->m_family == LLDPD_AF_IPV4) i++; if (i > 0) { if (!(POKE_START_CDP_TLV(CDP_TLV_ADDRESSES) && POKE_UINT32(i))) goto toobig; TAILQ_FOREACH (mgmt, &chassis->c_mgmt, m_entries) { switch (mgmt->m_family) { case LLDPD_AF_IPV4: if (!(POKE_UINT8(1) && /* Type: NLPID */ POKE_UINT8(1) && /* Length: 1 */ POKE_UINT8(CDP_ADDRESS_PROTO_IP) && /* IP */ POKE_UINT16(sizeof( struct in_addr)) && /* Address length */ POKE_BYTES(&mgmt->m_addr, sizeof(struct in_addr)))) goto toobig; break; } } if (!(POKE_END_CDP_TLV)) goto toobig; } /* Port ID */ const char *port_descr = hardware->h_lport.p_descr ? hardware->h_lport.p_descr : ""; if (!(POKE_START_CDP_TLV(CDP_TLV_PORT) && POKE_BYTES(port_descr, strlen(port_descr)) && POKE_END_CDP_TLV)) goto toobig; /* Capabilities */ if (version != 0) { cap = 0; if (chassis->c_cap_enabled & LLDP_CAP_ROUTER) cap |= CDP_CAP_ROUTER; if (chassis->c_cap_enabled & LLDP_CAP_BRIDGE) cap |= CDP_CAP_SWITCH; cap |= CDP_CAP_HOST; if (!(POKE_START_CDP_TLV(CDP_TLV_CAPABILITIES) && POKE_UINT32(cap) && POKE_END_CDP_TLV)) goto toobig; # ifdef ENABLE_FDP } else { /* With FDP, it seems that a string is used in place of an int */ if (chassis->c_cap_enabled & LLDP_CAP_ROUTER) capstr = "Router"; else if (chassis->c_cap_enabled & LLDP_CAP_BRIDGE) capstr = "Switch"; else if (chassis->c_cap_enabled & LLDP_CAP_REPEATER) capstr = "Bridge"; else capstr = "Host"; if (!(POKE_START_CDP_TLV(CDP_TLV_CAPABILITIES) && POKE_BYTES(capstr, strlen(capstr)) && POKE_END_CDP_TLV)) goto toobig; # endif } /* Native VLAN */ # ifdef ENABLE_DOT1 if (version >= 2 && hardware->h_lport.p_pvid != 0) { if (!(POKE_START_CDP_TLV(CDP_TLV_NATIVEVLAN) && POKE_UINT16(hardware->h_lport.p_pvid) && POKE_END_CDP_TLV)) goto toobig; } # endif /* Software version */ const char *chassis_descr = chassis->c_descr ? chassis->c_descr : ""; if (!(POKE_START_CDP_TLV(CDP_TLV_SOFTWARE) && POKE_BYTES(chassis_descr, strlen(chassis_descr)) && POKE_END_CDP_TLV)) goto toobig; /* Platform */ if (global && global->g_config.c_platform) platform = global->g_config.c_platform; if (!(POKE_START_CDP_TLV(CDP_TLV_PLATFORM) && POKE_BYTES(platform, strlen(platform)) && POKE_END_CDP_TLV)) goto toobig; # ifdef ENABLE_DOT3 if ((version >= 2) && (port->p_power.powertype != LLDP_DOT3_POWER_8023AT_OFF) && (port->p_power.devicetype == LLDP_DOT3_POWER_PD) && (port->p_power.requested > 0) && (port->p_power.requested <= 655)) { u_int16_t requested; u_int16_t consumption; if (port->p_power.requested != port->p_power.allocated) { port->p_cdp_power.request_id++; log_debug("cdp", "requested: %d, allocated:%d", port->p_power.requested, port->p_power.allocated); } consumption = port->p_power.allocated ? port->p_power.allocated : CDP_SWTICH_DEFAULT_POE_PD; if (consumption > 130) { consumption += CDP_SWITCH_POE_CLASS_4_OFFSET; } else { consumption += CDP_SWITCH_POE_CLASS_3_OFFSET; } if (port->p_power.requested > 130) { /* Class 4 */ requested = port->p_power.requested + CDP_SWITCH_POE_CLASS_4_OFFSET; } else { /* Class 3 */ requested = port->p_power.requested + CDP_SWITCH_POE_CLASS_3_OFFSET; } if (!(POKE_START_CDP_TLV(CDP_TLV_POWER_CONSUMPTION) && POKE_UINT16(consumption * 100) && POKE_END_CDP_TLV)) goto toobig; /* Avoid request id 0 from overflow */ if (!port->p_cdp_power.request_id) { port->p_cdp_power.request_id = 1; } if (!port->p_cdp_power.management_id) { port->p_cdp_power.management_id = 1; } if (!(POKE_START_CDP_TLV(CDP_TLV_POWER_REQUESTED) && POKE_UINT16(port->p_cdp_power.request_id) && POKE_UINT16(port->p_cdp_power.management_id) && POKE_UINT32(requested * 100) && POKE_END_CDP_TLV)) goto toobig; } # elif defined ENABLE_LLDPMED /* Power use */ if ((version >= 2) && port->p_med_cap_enabled && (port->p_med_power.source != LLDP_MED_POW_SOURCE_LOCAL) && (port->p_med_power.val > 0) && (port->p_med_power.val <= 655)) { if (!(POKE_START_CDP_TLV(CDP_TLV_POWER_CONSUMPTION) && POKE_UINT16(port->p_med_power.val * 100) && POKE_END_CDP_TLV)) goto toobig; } # endif (void)POKE_SAVE(end); /* Compute len and checksum */ POKE_RESTORE(pos_len_eh); if (!(POKE_UINT16(end - pos_llc))) goto toobig; checksum = frame_checksum(pos_cdp, end - pos_cdp, (version != 0) ? 1 : 0); POKE_RESTORE(pos_checksum); if (!(POKE_UINT16(checksum))) goto toobig; if (interfaces_send_helper(global, hardware, (char *)packet, end - packet) == -1) { log_warn("cdp", "unable to send packet on real device for %s", hardware->h_ifname); free(packet); return ENETDOWN; } hardware->h_tx_cnt++; free(packet); return 0; toobig: free(packet); return -1; } # define CHECK_TLV_SIZE(x, name) \ do { \ if (tlv_len < (x)) { \ log_warnx("cdp", name " CDP/FDP TLV too short received on %s", \ hardware->h_ifname); \ goto malformed; \ } \ } while (0) /* cdp_decode also decodes FDP */ int cdp_decode(struct lldpd *cfg, char *frame, int s, struct lldpd_hardware *hardware, struct lldpd_chassis **newchassis, struct lldpd_port **newport) { struct lldpd_chassis *chassis; struct lldpd_port *port; struct lldpd_mgmt *mgmt; struct in_addr addr; # if 0 u_int16_t cksum; # endif u_int8_t *software = NULL, *platform = NULL; int software_len = 0, platform_len = 0, proto, version, nb, caps; const unsigned char cdpaddr[] = CDP_MULTICAST_ADDR; # ifdef ENABLE_FDP const unsigned char fdpaddr[] = CDP_MULTICAST_ADDR; int fdp = 0; # endif u_int8_t *pos, *tlv, *pos_address, *pos_next_address; int length, len_eth, tlv_type, tlv_len, addresses_len, address_len; # ifdef ENABLE_DOT1 struct lldpd_vlan *vlan; # endif log_debug("cdp", "decode CDP frame received on %s", hardware->h_ifname); if ((chassis = calloc(1, sizeof(struct lldpd_chassis))) == NULL) { log_warn("cdp", "failed to allocate remote chassis"); return -1; } TAILQ_INIT(&chassis->c_mgmt); if ((port = calloc(1, sizeof(struct lldpd_port))) == NULL) { log_warn("cdp", "failed to allocate remote port"); free(chassis); return -1; } # ifdef ENABLE_DOT1 TAILQ_INIT(&port->p_vlans); # endif length = s; pos = (u_int8_t *)frame; if (length < 2 * ETHER_ADDR_LEN + sizeof(u_int16_t) /* Ethernet */ + 8 /* LLC */ + 4 /* CDP header */) { log_warn("cdp", "too short CDP/FDP frame received on %s", hardware->h_ifname); goto malformed; } if (PEEK_CMP(cdpaddr, sizeof(cdpaddr)) != 0) { # ifdef ENABLE_FDP PEEK_RESTORE((u_int8_t *)frame); if (PEEK_CMP(fdpaddr, sizeof(fdpaddr)) != 0) fdp = 1; else { # endif log_info("cdp", "frame not targeted at CDP/FDP multicast address received on %s", hardware->h_ifname); goto malformed; # ifdef ENABLE_FDP } # endif } PEEK_DISCARD(ETHER_ADDR_LEN); /* Don't care of source address */ len_eth = PEEK_UINT16; if (len_eth > length) { log_warnx("cdp", "incorrect 802.3 frame size reported on %s", hardware->h_ifname); goto malformed; } /* This is the correct length of the CDP + LLC packets */ length = len_eth; PEEK_DISCARD(6); /* Skip beginning of LLC */ proto = PEEK_UINT16; if (proto != LLC_PID_CDP) { if ((proto != LLC_PID_DRIP) && (proto != LLC_PID_PAGP) && (proto != LLC_PID_PVSTP) && (proto != LLC_PID_UDLD) && (proto != LLC_PID_VTP) && (proto != LLC_PID_DTP) && (proto != LLC_PID_STP)) log_debug("cdp", "incorrect LLC protocol ID received on %s", hardware->h_ifname); goto malformed; } # if 0 /* Check checksum */ cksum = frame_checksum(pos, len_eth - 8, # ifdef ENABLE_FDP !fdp /* fdp = 0 -> cisco checksum */ # else 1 /* cisco checksum */ # endif ); if (cksum != 0) { log_info("cdp", "incorrect CDP/FDP checksum for frame received on %s (%d)", hardware->h_ifname, cksum); goto malformed; } # endif /* Check version */ version = PEEK_UINT8; if ((version != 1) && (version != 2)) { log_warnx("cdp", "incorrect CDP/FDP version (%d) for frame received on %s", version, hardware->h_ifname); goto malformed; } port->p_ttl = PEEK_UINT8; /* TTL */ PEEK_DISCARD_UINT16; /* Checksum, already checked */ while (length) { if (length < 4) { log_warnx("cdp", "CDP/FDP TLV header is too large for " "frame received on %s", hardware->h_ifname); goto malformed; } tlv_type = PEEK_UINT16; tlv_len = PEEK_UINT16 - 4; (void)PEEK_SAVE(tlv); if ((tlv_len < 0) || (length < tlv_len)) { log_warnx("cdp", "incorrect size in CDP/FDP TLV header for frame " "received on %s", hardware->h_ifname); goto malformed; } switch (tlv_type) { case CDP_TLV_CHASSIS: free(chassis->c_name); if ((chassis->c_name = (char *)calloc(1, tlv_len + 1)) == NULL) { log_warn("cdp", "unable to allocate memory for chassis name"); goto malformed; } PEEK_BYTES(chassis->c_name, tlv_len); chassis->c_id_subtype = LLDP_CHASSISID_SUBTYPE_LOCAL; free(chassis->c_id); if ((chassis->c_id = (char *)malloc(tlv_len)) == NULL) { log_warn("cdp", "unable to allocate memory for chassis ID"); goto malformed; } memcpy(chassis->c_id, chassis->c_name, tlv_len); chassis->c_id_len = tlv_len; break; case CDP_TLV_ADDRESSES: CHECK_TLV_SIZE(4, "Address"); addresses_len = tlv_len - 4; for (nb = PEEK_UINT32; nb > 0; nb--) { (void)PEEK_SAVE(pos_address); /* We first try to get the real length of the packet */ if (addresses_len < 2) { log_warn("cdp", "too short address subframe " "received on %s", hardware->h_ifname); goto malformed; } PEEK_DISCARD_UINT8; addresses_len--; address_len = PEEK_UINT8; addresses_len--; if (addresses_len < address_len + 2) { log_warn("cdp", "too short address subframe " "received on %s", hardware->h_ifname); goto malformed; } PEEK_DISCARD(address_len); addresses_len -= address_len; address_len = PEEK_UINT16; addresses_len -= 2; if (addresses_len < address_len) { log_warn("cdp", "too short address subframe " "received on %s", hardware->h_ifname); goto malformed; } PEEK_DISCARD(address_len); addresses_len -= address_len; (void)PEEK_SAVE(pos_next_address); /* Next, we go back and try to extract IPv4 address */ PEEK_RESTORE(pos_address); if ((PEEK_UINT8 == 1) && (PEEK_UINT8 == 1) && (PEEK_UINT8 == CDP_ADDRESS_PROTO_IP) && (PEEK_UINT16 == sizeof(struct in_addr))) { PEEK_BYTES(&addr, sizeof(struct in_addr)); mgmt = lldpd_alloc_mgmt(LLDPD_AF_IPV4, &addr, sizeof(struct in_addr), 0); if (mgmt == NULL) { if (errno == ENOMEM) log_warn("cdp", "unable to allocate memory for management address"); else log_warn("cdp", "too large management address received on %s", hardware->h_ifname); goto malformed; } TAILQ_INSERT_TAIL(&chassis->c_mgmt, mgmt, m_entries); } /* Go to the end of the address */ PEEK_RESTORE(pos_next_address); } break; case CDP_TLV_PORT: if (tlv_len == 0) { log_warn("cdp", "too short port description received"); goto malformed; } free(port->p_descr); if ((port->p_descr = (char *)calloc(1, tlv_len + 1)) == NULL) { log_warn("cdp", "unable to allocate memory for port description"); goto malformed; } PEEK_BYTES(port->p_descr, tlv_len); port->p_id_subtype = LLDP_PORTID_SUBTYPE_IFNAME; free(port->p_id); if ((port->p_id = (char *)calloc(1, tlv_len)) == NULL) { log_warn("cdp", "unable to allocate memory for port ID"); goto malformed; } memcpy(port->p_id, port->p_descr, tlv_len); port->p_id_len = tlv_len; break; case CDP_TLV_CAPABILITIES: # ifdef ENABLE_FDP if (fdp) { /* Capabilities are string with FDP */ if (!strncmp("Router", (char *)pos, tlv_len)) chassis->c_cap_enabled = LLDP_CAP_ROUTER; else if (!strncmp("Switch", (char *)pos, tlv_len)) chassis->c_cap_enabled = LLDP_CAP_BRIDGE; else if (!strncmp("Bridge", (char *)pos, tlv_len)) chassis->c_cap_enabled = LLDP_CAP_REPEATER; else chassis->c_cap_enabled = LLDP_CAP_STATION; chassis->c_cap_available = chassis->c_cap_enabled; break; } # endif CHECK_TLV_SIZE(4, "Capabilities"); caps = PEEK_UINT32; if (caps & CDP_CAP_ROUTER) chassis->c_cap_enabled |= LLDP_CAP_ROUTER; if (caps & 0x0e) chassis->c_cap_enabled |= LLDP_CAP_BRIDGE; if (chassis->c_cap_enabled == 0) chassis->c_cap_enabled = LLDP_CAP_STATION; chassis->c_cap_available = chassis->c_cap_enabled; break; case CDP_TLV_SOFTWARE: software_len = tlv_len; (void)PEEK_SAVE(software); break; case CDP_TLV_PLATFORM: platform_len = tlv_len; (void)PEEK_SAVE(platform); break; # ifdef ENABLE_DOT1 case CDP_TLV_NATIVEVLAN: CHECK_TLV_SIZE(2, "Native VLAN"); if ((vlan = (struct lldpd_vlan *)calloc(1, sizeof(struct lldpd_vlan))) == NULL) { log_warn("cdp", "unable to alloc vlan " "structure for " "tlv received on %s", hardware->h_ifname); goto malformed; } vlan->v_vid = port->p_pvid = PEEK_UINT16; if (asprintf(&vlan->v_name, "VLAN #%d", vlan->v_vid) == -1) { log_warn("cdp", "unable to alloc VLAN name for " "TLV received on %s", hardware->h_ifname); free(vlan); goto malformed; } TAILQ_INSERT_TAIL(&port->p_vlans, vlan, v_entries); break; # endif # ifdef ENABLE_DOT3 case CDP_TLV_POWER_AVAILABLE: CHECK_TLV_SIZE(12, "Power Available"); /* check if it is a respone to a request id */ if (PEEK_UINT16 > 0) { port->p_cdp_power.management_id = PEEK_UINT16; port->p_power.allocated = PEEK_UINT32; port->p_power.allocated /= 100; port->p_power.supported = 1; port->p_power.enabled = 1; port->p_power.devicetype = LLDP_DOT3_POWER_PSE; port->p_power.powertype = LLDP_DOT3_POWER_8023AT_TYPE2; log_debug("cdp", "Allocated power %d00", port->p_power.allocated); if (port->p_power.allocated > CDP_CLASS_3_MAX_PSE_POE) { port->p_power.allocated -= CDP_SWITCH_POE_CLASS_4_OFFSET; } else if (port->p_power.allocated > CDP_SWITCH_POE_CLASS_3_OFFSET) { port->p_power.allocated -= CDP_SWITCH_POE_CLASS_3_OFFSET; } else { port->p_power.allocated = 0; } port->p_power.requested = hardware->h_lport.p_power.requested; } break; # endif default: log_debug("cdp", "unknown CDP/FDP TLV type (%d) received on %s", ntohs(tlv_type), hardware->h_ifname); hardware->h_rx_unrecognized_cnt++; } PEEK_DISCARD(tlv + tlv_len - pos); } if (!software && platform) { if ((chassis->c_descr = (char *)calloc(1, platform_len + 1)) == NULL) { log_warn("cdp", "unable to allocate memory for chassis description"); goto malformed; } memcpy(chassis->c_descr, platform, platform_len); } else if (software && !platform) { if ((chassis->c_descr = (char *)calloc(1, software_len + 1)) == NULL) { log_warn("cdp", "unable to allocate memory for chassis description"); goto malformed; } memcpy(chassis->c_descr, software, software_len); } else if (software && platform) { # define CONCAT_PLATFORM " running on\n" if ((chassis->c_descr = (char *)calloc(1, software_len + platform_len + strlen(CONCAT_PLATFORM) + 1)) == NULL) { log_warn("cdp", "unable to allocate memory for chassis description"); goto malformed; } memcpy(chassis->c_descr, platform, platform_len); memcpy(chassis->c_descr + platform_len, CONCAT_PLATFORM, strlen(CONCAT_PLATFORM)); memcpy(chassis->c_descr + platform_len + strlen(CONCAT_PLATFORM), software, software_len); } if ((chassis->c_id == NULL) || (port->p_id == NULL) || (chassis->c_name == NULL) || (chassis->c_descr == NULL) || (port->p_descr == NULL) || (port->p_ttl == 0) || (chassis->c_cap_enabled == 0)) { log_warnx("cdp", "some mandatory CDP/FDP tlv are missing for frame received on %s", hardware->h_ifname); goto malformed; } *newchassis = chassis; *newport = port; return 1; malformed: lldpd_chassis_cleanup(chassis, 1); lldpd_port_cleanup(port, 1); free(port); return -1; } # ifdef ENABLE_CDP int cdpv1_send(struct lldpd *global, struct lldpd_hardware *hardware) { return cdp_send(global, hardware, 1); } int cdpv2_send(struct lldpd *global, struct lldpd_hardware *hardware) { return cdp_send(global, hardware, 2); } # endif # ifdef ENABLE_FDP int fdp_send(struct lldpd *global, struct lldpd_hardware *hardware) { return cdp_send(global, hardware, 0); } # endif # ifdef ENABLE_CDP static int cdp_guess(char *pos, int length, int version) { const u_int8_t mcastaddr[] = CDP_MULTICAST_ADDR; if (length < 2 * ETHER_ADDR_LEN + sizeof(u_int16_t) /* Ethernet */ + 8 /* LLC */ + 4 /* CDP header */) return 0; if (PEEK_CMP(mcastaddr, ETHER_ADDR_LEN) != 0) return 0; PEEK_DISCARD(ETHER_ADDR_LEN); PEEK_DISCARD_UINT16; /* Ethernet */ PEEK_DISCARD(8); /* LLC */ return (PEEK_UINT8 == version); } int cdpv1_guess(char *frame, int len) { return cdp_guess(frame, len, 1); } int cdpv2_guess(char *frame, int len) { return cdp_guess(frame, len, 2); } # endif #endif /* defined (ENABLE_CDP) || defined (ENABLE_FDP) */ lldpd-1.0.18/src/daemon/interfaces-solaris.c0000644000076400001440000001311714532716672020151 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #include #include /* Solaris comes with libdladm which seems to be handy to get all the necessary * information. Unfortunately, this library needs a special device file and a * Unix socket to a daemon. This is a bit difficult to use it in a * privilege-separated daemon. Therefore, we keep using ioctl(). This should * also improve compatibility with older versions of Solaris. */ static void ifsolaris_extract(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct interfaces_address_list *addresses, struct lifreq *lifr) { int flags = 0; int index = 0; struct interfaces_address *address = NULL; struct interfaces_device *device = NULL; sa_family_t lifr_af = lifr->lifr_addr.ss_family; struct lifreq lifrl = { .lifr_name = {} }; strlcpy(lifrl.lifr_name, lifr->lifr_name, sizeof(lifrl.lifr_name)); /* Flags */ if (ioctl(cfg->g_sock, SIOCGLIFFLAGS, (caddr_t)&lifrl) < 0) { log_warn("interfaces", "unable to get flags for %s", lifrl.lifr_name); return; } flags = lifrl.lifr_flags; /* Index */ if (ioctl(cfg->g_sock, SIOCGLIFINDEX, (caddr_t)&lifrl) < 0) { log_warn("interfaces", "unable to get index for %s", lifrl.lifr_name); return; } index = lifrl.lifr_index; /* Record the address */ if ((address = malloc(sizeof(struct interfaces_address))) == NULL) { log_warn("interfaces", "not enough memory for a new IP address on %s", lifrl.lifr_name); return; } address->flags = flags; address->index = index; memcpy(&address->address, &lifr->lifr_addr, (lifr_af == AF_INET) ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6)); TAILQ_INSERT_TAIL(addresses, address, next); /* Hardware address */ if (ioctl(cfg->g_sock, SIOCGLIFHWADDR, (caddr_t)&lifrl) < 0) { log_debug("interfaces", "unable to get hardware address for %s", lifrl.lifr_name); return; } struct sockaddr_dl *saddrdl = (struct sockaddr_dl *)&lifrl.lifr_addr; if (saddrdl->sdl_type != 4) { log_debug("interfaces", "skip %s: not an ethernet device (%d)", lifrl.lifr_name, saddrdl->sdl_type); return; } /* Handle the interface */ if ((device = calloc(1, sizeof(struct interfaces_device))) == NULL) { log_warn("interfaces", "unable to allocate memory for %s", lifrl.lifr_name); return; } device->name = strdup(lifrl.lifr_name); device->flags = flags; device->index = index; device->type = IFACE_PHYSICAL_T; device->address = malloc(ETHER_ADDR_LEN); if (device->address) memcpy(device->address, LLADDR(saddrdl), ETHER_ADDR_LEN); /* MTU */ if (ioctl(cfg->g_sock, SIOCGLIFMTU, (caddr_t)&lifrl) < 0) { log_debug("interfaces", "unable to get MTU for %s", lifrl.lifr_name); } else device->mtu = lifrl.lifr_mtu; TAILQ_INSERT_TAIL(interfaces, device, next); } extern struct lldpd_ops bpf_ops; void interfaces_update(struct lldpd *cfg) { struct lldpd_hardware *hardware; caddr_t buffer = NULL; struct interfaces_device_list *interfaces; struct interfaces_address_list *addresses; interfaces = malloc(sizeof(struct interfaces_device_list)); addresses = malloc(sizeof(struct interfaces_address_list)); if (interfaces == NULL || addresses == NULL) { log_warnx("interfaces", "unable to allocate memory"); goto end; } TAILQ_INIT(interfaces); TAILQ_INIT(addresses); struct lifnum lifn = { .lifn_family = AF_UNSPEC, .lifn_flags = LIFC_ENABLED }; if (ioctl(cfg->g_sock, SIOCGLIFNUM, &lifn) < 0) { log_warn("interfaces", "unable to get the number of interfaces"); goto end; } size_t bufsize = lifn.lifn_count * sizeof(struct lifreq); if ((buffer = malloc(bufsize)) == NULL) { log_warn("interfaces", "unable to allocate buffer to get interfaces"); goto end; } struct lifconf lifc = { .lifc_family = AF_UNSPEC, .lifc_flags = LIFC_ENABLED, .lifc_len = bufsize, .lifc_buf = buffer }; if (ioctl(cfg->g_sock, SIOCGLIFCONF, (char *)&lifc) < 0) { log_warn("interfaces", "unable to get the network interfaces"); goto end; } int num = lifc.lifc_len / sizeof(struct lifreq); if (num > lifn.lifn_count) num = lifn.lifn_count; log_debug("interfaces", "got %d interfaces", num); struct lifreq *lifrp = (struct lifreq *)buffer; for (int n = 0; n < num; n++, lifrp++) ifsolaris_extract(cfg, interfaces, addresses, lifrp); interfaces_helper_allowlist(cfg, interfaces); interfaces_helper_physical(cfg, interfaces, &bpf_ops, ifbpf_phys_init); interfaces_helper_mgmt(cfg, addresses, interfaces); interfaces_helper_chassis(cfg, interfaces); /* Mac/PHY */ TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) { if (!hardware->h_flags) continue; /* TODO: mac/phy for Solaris */ interfaces_helper_promisc(cfg, hardware); } end: free(buffer); interfaces_free_devices(interfaces); interfaces_free_addresses(addresses); } void interfaces_cleanup(struct lldpd *cfg) { } lldpd-1.0.18/src/daemon/trace.h0000644000076400001440000000030014532716672015445 0ustar00bernatusers#ifdef ENABLE_DTRACE # include "probes.h" # define TRACE(probe) probe # define TRACE_ENABLED(probe) probe##_ENABLED() #else # define TRACE(probe) # define TRACE_ENABLED(probe) (0) #endif lldpd-1.0.18/src/daemon/Makefile.in0000644000076400001440000025306014550773312016252 0ustar00bernatusers# Makefile.in generated by automake 1.16.5 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2021 Free Software Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as 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lldpd.sysusers.conf.in usr.sbin.lldpd: usr.sbin.lldpd.in $(TEMPLATES): Makefile $(AM_V_GEN)$(MKDIR_P) $(@D) && $(edit) $(srcdir)/$@.in > $@.tmp && mv $@.tmp $@ # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: lldpd-1.0.18/src/daemon/privsep_fd.c0000644000076400001440000000712414532716672016516 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ #include "lldpd.h" #include #include #include #include #include #include #include #include #include #include #include #include /* * Copyright 2001 Niels Provos * All rights reserved. * * Copyright (c) 2002 Matthieu Herrb * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ void send_fd(enum priv_context ctx, int fd) { struct msghdr msg; union { struct cmsghdr hdr; char buf[CMSG_SPACE(sizeof(int))]; } cmsgbuf; struct cmsghdr *cmsg; struct iovec vec; int result = 0; ssize_t n; memset(&msg, 0, sizeof(msg)); memset(&cmsgbuf.buf, 0, sizeof(cmsgbuf.buf)); if (fd >= 0) { msg.msg_control = (caddr_t)&cmsgbuf.buf; msg.msg_controllen = sizeof(cmsgbuf.buf); cmsg = CMSG_FIRSTHDR(&msg); cmsg->cmsg_len = CMSG_LEN(sizeof(int)); cmsg->cmsg_level = SOL_SOCKET; cmsg->cmsg_type = SCM_RIGHTS; memcpy(CMSG_DATA(cmsg), &fd, sizeof(int)); } else { result = errno; } vec.iov_base = &result; vec.iov_len = sizeof(int); msg.msg_iov = &vec; msg.msg_iovlen = 1; if ((n = sendmsg(priv_fd(ctx), &msg, 0)) == -1) log_warn("privsep", "sendmsg(%d)", priv_fd(ctx)); if (n != sizeof(int)) log_warnx("privsep", "sendmsg: expected sent 1 got %ld", (long)n); } int receive_fd(enum priv_context ctx) { struct msghdr msg; union { struct cmsghdr hdr; char buf[CMSG_SPACE(sizeof(int))]; } cmsgbuf; struct cmsghdr *cmsg; struct iovec vec; ssize_t n; int result; int fd; memset(&msg, 0, sizeof(msg)); vec.iov_base = &result; vec.iov_len = sizeof(int); msg.msg_iov = &vec; msg.msg_iovlen = 1; msg.msg_control = &cmsgbuf.buf; msg.msg_controllen = sizeof(cmsgbuf.buf); if ((n = recvmsg(priv_fd(ctx), &msg, 0)) == -1) log_warn("privsep", "recvmsg"); if (n != sizeof(int)) log_warnx("privsep", "recvmsg: expected received 1 got %ld", (long)n); if (result == 0) { cmsg = CMSG_FIRSTHDR(&msg); if (cmsg == NULL) { log_warnx("privsep", "no message header"); return -1; } if (cmsg->cmsg_type != SCM_RIGHTS) log_warnx("privsep", "expected type %d got %d", SCM_RIGHTS, cmsg->cmsg_type); memcpy(&fd, CMSG_DATA(cmsg), sizeof(int)); return fd; } else { errno = result; return -1; } } lldpd-1.0.18/src/daemon/dmi-openbsd.c0000644000076400001440000000321614532716672016554 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #include #ifdef ENABLE_LLDPMED static char * dmi_get(int what, const char *descr) { char result[100] = {}; size_t len = sizeof(result) - 1; int mib[2] = { CTL_HW, what }; if (sysctl(mib, 2, result, &len, NULL, 0) == -1) { log_debug("localchassis", "cannot get %s", descr); return NULL; } log_debug("localchassis", "got `%s` for %s", result, descr); return strdup(result); } char * dmi_hw() { return dmi_get(HW_VERSION, "hardware revision"); } char * dmi_fw() { return NULL; } char * dmi_sn() { return dmi_get(HW_SERIALNO, "serial number"); } char * dmi_manuf() { return dmi_get(HW_VENDOR, "hardware vendor"); } char * dmi_model() { return dmi_get(HW_PRODUCT, "hardware product"); } char * dmi_asset() { return dmi_get(HW_UUID, "hardware UUID"); } #endif lldpd-1.0.18/src/daemon/interfaces-bpf.c0000644000076400001440000000677414532716672017257 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #include #include struct bpf_buffer { size_t len; /* Total length of the buffer */ struct bpf_hdr data[0]; }; int ifbpf_phys_init(struct lldpd *cfg, struct lldpd_hardware *hardware) { struct bpf_buffer *buffer = NULL; int fd = -1; log_debug("interfaces", "initialize ethernet device %s", hardware->h_ifname); if ((fd = priv_iface_init(hardware->h_ifindex, hardware->h_ifname)) == -1) return -1; /* Allocate receive buffer */ hardware->h_data = buffer = malloc(ETHER_MAX_LEN + BPF_WORDALIGN(sizeof(struct bpf_hdr)) + sizeof(struct bpf_buffer)); if (buffer == NULL) { log_warn("interfaces", "unable to allocate buffer space for BPF on %s", hardware->h_ifname); goto end; } buffer->len = ETHER_MAX_LEN + BPF_WORDALIGN(sizeof(struct bpf_hdr)); /* Setup multicast */ interfaces_setup_multicast(cfg, hardware->h_ifname, 0); hardware->h_sendfd = fd; /* Send */ levent_hardware_add_fd(hardware, fd); /* Receive */ log_debug("interfaces", "interface %s initialized (fd=%d)", hardware->h_ifname, fd); return 0; end: if (fd >= 0) close(fd); free(buffer); hardware->h_data = NULL; return -1; } /* Ethernet send/receive through BPF */ static int ifbpf_eth_send(struct lldpd *cfg, struct lldpd_hardware *hardware, char *buffer, size_t size) { log_debug("interfaces", "send PDU to ethernet device %s (fd=%d)", hardware->h_ifname, hardware->h_sendfd); return write(hardware->h_sendfd, buffer, size); } static int ifbpf_eth_recv(struct lldpd *cfg, struct lldpd_hardware *hardware, int fd, char *buffer, size_t size) { struct bpf_buffer *bpfbuf = hardware->h_data; struct bpf_hdr *bh; log_debug("interfaces", "receive PDU from ethernet device %s", hardware->h_ifname); /* We assume we have only receive one packet (unbuffered mode). Dunno if * this is correct. */ if (read(fd, bpfbuf->data, bpfbuf->len) == -1) { if (errno == ENETDOWN) { log_debug("interfaces", "error while receiving frame on %s (network down)", hardware->h_ifname); } else { log_warn("interfaces", "error while receiving frame on %s", hardware->h_ifname); hardware->h_rx_discarded_cnt++; } return -1; } bh = (struct bpf_hdr *)bpfbuf->data; if (bh->bh_caplen < size) size = bh->bh_caplen; memcpy(buffer, (char *)bpfbuf->data + bh->bh_hdrlen, size); return size; } static int ifbpf_eth_close(struct lldpd *cfg, struct lldpd_hardware *hardware) { log_debug("interfaces", "close ethernet device %s", hardware->h_ifname); interfaces_setup_multicast(cfg, hardware->h_ifname, 1); return 0; } struct lldpd_ops bpf_ops = { .send = ifbpf_eth_send, .recv = ifbpf_eth_recv, .cleanup = ifbpf_eth_close, }; lldpd-1.0.18/src/daemon/privsep_io.c0000644000076400001440000000467414532716672016543 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ #include "lldpd.h" #include #include #include #include #include #include #include #include #include #include #include #include /* Stolen from sbin/pflogd/privsep.c from OpenBSD */ /* * Copyright (c) 2003 Can Erkin Acar * Copyright (c) 2003 Anil Madhavapeddy * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* Read all data or return 1 for error. */ int may_read(enum priv_context ctx, void *buf, size_t n) { char *s = buf; ssize_t res, pos = 0; while (n > pos) { res = read(priv_fd(ctx), s + pos, n - pos); switch (res) { case -1: if (errno == EINTR || errno == EAGAIN) continue; return 1; case 0: return 1; default: pos += res; } } return (0); } /* Read data with the assertion that it all must come through, or * else abort the process. Based on atomicio() from openssh. */ void must_read(enum priv_context ctx, void *buf, size_t n) { char *s = buf; ssize_t res, pos = 0; while (n > pos) { res = read(priv_fd(ctx), s + pos, n - pos); switch (res) { case -1: if (errno == EINTR || errno == EAGAIN) continue; _exit(0); case 0: _exit(0); default: pos += res; } } } /* Write data with the assertion that it all has to be written, or * else abort the process. Based on atomicio() from openssh. */ void must_write(enum priv_context ctx, const void *buf, size_t n) { const char *s = buf; ssize_t res, pos = 0; while (n > pos) { res = write(priv_fd(ctx), s + pos, n - pos); switch (res) { case -1: if (errno == EINTR || errno == EAGAIN) continue; _exit(0); case 0: _exit(0); default: pos += res; } } } lldpd-1.0.18/src/daemon/lldpd.service.in0000644000076400001440000000072214532716672017274 0ustar00bernatusers[Unit] Description=LLDP daemon Documentation=man:lldpd(8) After=network.target RequiresMountsFor=@PRIVSEP_CHROOT@ [Service] Type=notify NotifyAccess=main EnvironmentFile=-/etc/default/lldpd EnvironmentFile=-/etc/sysconfig/lldpd ExecStart=@sbindir@/lldpd $DAEMON_ARGS $LLDPD_OPTIONS Restart=on-failure PrivateTmp=yes ProtectHome=yes ProtectKernelTunables=no ProtectControlGroups=yes ProtectKernelModules=yes #ProtectSystem=full [Install] WantedBy=multi-user.target lldpd-1.0.18/src/daemon/interfaces-linux.c0000644000076400001440000007650514532716672017646 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #include #include #include #include #if defined(__clang__) # pragma clang diagnostic push # pragma clang diagnostic ignored "-Wdocumentation" #endif #include #include #include #include #include #include #include #include #if defined(__clang__) # pragma clang diagnostic pop #endif #define SYSFS_PATH_MAX 256 #define MAX_PORTS 1024 #define MAX_BRIDGES 1024 static int iflinux_eth_init(struct lldpd *cfg, struct lldpd_hardware *hardware) { int fd; log_debug("interfaces", "initialize ethernet device %s", hardware->h_ifname); if ((fd = priv_iface_init(hardware->h_ifindex, hardware->h_ifname)) == -1) return -1; hardware->h_sendfd = fd; /* Send */ interfaces_setup_multicast(cfg, hardware->h_ifname, 0); levent_hardware_add_fd(hardware, fd); /* Receive */ log_debug("interfaces", "interface %s initialized (fd=%d)", hardware->h_ifname, fd); return 0; } /* Generic ethernet send/receive */ static int iflinux_eth_send(struct lldpd *cfg, struct lldpd_hardware *hardware, char *buffer, size_t size) { log_debug("interfaces", "send PDU to ethernet device %s (fd=%d)", hardware->h_ifname, hardware->h_sendfd); return write(hardware->h_sendfd, buffer, size); } static int iflinux_generic_recv(struct lldpd_hardware *hardware, int fd, char *buffer, size_t size, struct sockaddr_ll *from) { int n, retry = 0; socklen_t fromlen; retry: fromlen = sizeof(*from); memset(from, 0, fromlen); if ((n = recvfrom(fd, buffer, size, 0, (struct sockaddr *)from, &fromlen)) == -1) { if (errno == EAGAIN && retry == 0) { /* There may be an error queued in the socket. Clear it and * retry. */ levent_recv_error(fd, hardware->h_ifname); retry++; goto retry; } if (errno == ENETDOWN) { log_debug("interfaces", "error while receiving frame on %s (network down)", hardware->h_ifname); } else { log_warn("interfaces", "error while receiving frame on %s (retry: %d)", hardware->h_ifname, retry); hardware->h_rx_discarded_cnt++; } return -1; } if (from->sll_pkttype == PACKET_OUTGOING) return -1; return n; } static int iflinux_eth_recv(struct lldpd *cfg, struct lldpd_hardware *hardware, int fd, char *buffer, size_t size) { int n; struct sockaddr_ll from; log_debug("interfaces", "receive PDU from ethernet device %s", hardware->h_ifname); if ((n = iflinux_generic_recv(hardware, fd, buffer, size, &from)) == -1) return -1; return n; } static int iflinux_eth_close(struct lldpd *cfg, struct lldpd_hardware *hardware) { log_debug("interfaces", "close ethernet device %s", hardware->h_ifname); interfaces_setup_multicast(cfg, hardware->h_ifname, 1); return 0; } static struct lldpd_ops eth_ops = { .send = iflinux_eth_send, .recv = iflinux_eth_recv, .cleanup = iflinux_eth_close, }; static int iflinux_is_bridge(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct interfaces_device *iface) { #ifdef ENABLE_OLDIES struct interfaces_device *port; char path[SYSFS_PATH_MAX]; int f; if ((snprintf(path, SYSFS_PATH_MAX, SYSFS_CLASS_NET "%s/" SYSFS_BRIDGE_FDB, iface->name)) >= SYSFS_PATH_MAX) log_warnx("interfaces", "path truncated"); if ((f = priv_open(path)) < 0) return 0; close(f); /* Also grab all ports */ TAILQ_FOREACH (port, interfaces, next) { if (port->upper) continue; if (snprintf(path, SYSFS_PATH_MAX, SYSFS_CLASS_NET "%s/" SYSFS_BRIDGE_PORT_SUBDIR "/%s/port_no", iface->name, port->name) >= SYSFS_PATH_MAX) log_warnx("interfaces", "path truncated"); if ((f = priv_open(path)) < 0) continue; log_debug("interfaces", "port %s is bridged to %s", port->name, iface->name); port->upper = iface; close(f); } return 1; #else return 0; #endif } static int iflinux_is_vlan(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct interfaces_device *iface) { #ifdef ENABLE_OLDIES struct vlan_ioctl_args ifv = {}; ifv.cmd = GET_VLAN_REALDEV_NAME_CMD; strlcpy(ifv.device1, iface->name, sizeof(ifv.device1)); if (ioctl(cfg->g_sock, SIOCGIFVLAN, &ifv) >= 0) { /* This is a VLAN, get the lower interface and the VID */ struct interfaces_device *lower = interfaces_nametointerface(interfaces, ifv.u.device2); if (!lower) { log_debug("interfaces", "unable to find lower interface for VLAN %s", iface->name); return 0; } memset(&ifv, 0, sizeof(ifv)); ifv.cmd = GET_VLAN_VID_CMD; strlcpy(ifv.device1, iface->name, sizeof(ifv.device1)); if (ioctl(cfg->g_sock, SIOCGIFVLAN, &ifv) < 0) { log_debug("interfaces", "unable to find VID for VLAN %s", iface->name); return 0; } iface->lower = lower; bitmap_set(iface->vlan_bmap, ifv.u.VID); return 1; } #endif return 0; } static int iflinux_is_bond(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct interfaces_device *master) { #ifdef ENABLE_OLDIES /* Shortcut if we detect the new team driver. Upper and lower links * should already be set with netlink in this case. */ if (master->driver && !strcmp(master->driver, "team")) { return 1; } struct ifreq ifr = {}; struct ifbond ifb = {}; strlcpy(ifr.ifr_name, master->name, sizeof(ifr.ifr_name)); ifr.ifr_data = (char *)&ifb; if (ioctl(cfg->g_sock, SIOCBONDINFOQUERY, &ifr) >= 0) { while (ifb.num_slaves--) { struct ifslave ifs; memset(&ifr, 0, sizeof(ifr)); memset(&ifs, 0, sizeof(ifs)); strlcpy(ifr.ifr_name, master->name, sizeof(ifr.ifr_name)); ifr.ifr_data = (char *)&ifs; ifs.slave_id = ifb.num_slaves; if (ioctl(cfg->g_sock, SIOCBONDSLAVEINFOQUERY, &ifr) >= 0) { struct interfaces_device *slave = interfaces_nametointerface(interfaces, ifs.slave_name); if (slave == NULL) continue; if (slave->upper) continue; log_debug("interfaces", "interface %s is enslaved to %s", slave->name, master->name); slave->upper = master; } } return 1; } #endif return 0; } /** * Get permanent MAC from ethtool. * * Return 0 on success, -1 on error. */ static int iflinux_get_permanent_mac_ethtool(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct interfaces_device *iface) { int ret = -1; struct ifreq ifr = {}; struct ethtool_perm_addr *epaddr = calloc(sizeof(struct ethtool_perm_addr) + ETHER_ADDR_LEN, 1); if (epaddr == NULL) goto end; strlcpy(ifr.ifr_name, iface->name, sizeof(ifr.ifr_name)); epaddr->cmd = ETHTOOL_GPERMADDR; epaddr->size = ETHER_ADDR_LEN; ifr.ifr_data = (caddr_t)epaddr; if (ioctl(cfg->g_sock, SIOCETHTOOL, &ifr) == -1) { static int once = 0; if (errno == EPERM && !once) { log_warnx("interfaces", "no permission to get permanent MAC address for %s (requires 2.6.19+)", iface->name); once = 1; goto end; } if (errno != EPERM) log_warn("interfaces", "cannot get permanent MAC address for %s", iface->name); goto end; } if (epaddr->data[0] != 0 || epaddr->data[1] != 0 || epaddr->data[2] != 0 || epaddr->data[3] != 0 || epaddr->data[4] != 0 || epaddr->data[5] != 0) { memcpy(iface->address, epaddr->data, ETHER_ADDR_LEN); ret = 0; goto end; } log_debug("interfaces", "cannot get permanent MAC for %s (all 0)", iface->name); end: free(epaddr); return ret; } /** * Get permanent MAC address for a bond device. */ static void iflinux_get_permanent_mac_bond(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct interfaces_device *iface) { struct interfaces_device *master = iface->upper; int f, state = 0; FILE *netbond; const char *slaveif = "Slave Interface: "; const char *hwaddr = "Permanent HW addr: "; u_int8_t mac[ETHER_ADDR_LEN]; char path[SYSFS_PATH_MAX]; char line[100]; /* We have a bond, we need to query it to get real MAC addresses */ if (snprintf(path, SYSFS_PATH_MAX, "/proc/net/bonding/%s", master->name) >= SYSFS_PATH_MAX) { log_warnx("interfaces", "path truncated"); return; } if ((f = priv_open(path)) < 0) { if (snprintf(path, SYSFS_PATH_MAX, "/proc/self/net/bonding/%s", master->name) >= SYSFS_PATH_MAX) { log_warnx("interfaces", "path truncated"); return; } f = priv_open(path); } if (f < 0) { log_warnx("interfaces", "unable to get permanent MAC address for %s", iface->name); return; } if ((netbond = fdopen(f, "r")) == NULL) { log_warn("interfaces", "unable to read stream from %s", path); close(f); return; } /* State 0: We parse the file to search "Slave Interface: ". If found, go to state 1. State 1: We parse the file to search "Permanent HW addr: ". If found, we get the mac. */ while (fgets(line, sizeof(line), netbond)) { switch (state) { case 0: if (strncmp(line, slaveif, strlen(slaveif)) == 0) { if (line[strlen(line) - 1] == '\n') line[strlen(line) - 1] = '\0'; if (strcmp(iface->name, line + strlen(slaveif)) == 0) state++; } break; case 1: if (strncmp(line, hwaddr, strlen(hwaddr)) == 0) { if (line[strlen(line) - 1] == '\n') line[strlen(line) - 1] = '\0'; if (sscanf(line + strlen(hwaddr), "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", &mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]) != ETHER_ADDR_LEN) { log_warn("interfaces", "unable to parse %s", line + strlen(hwaddr)); fclose(netbond); return; } memcpy(iface->address, mac, ETHER_ADDR_LEN); fclose(netbond); return; } break; } } log_warnx("interfaces", "unable to find real MAC address for enslaved %s", iface->name); fclose(netbond); } /** * Get permanent MAC. */ static void iflinux_get_permanent_mac(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct interfaces_device *iface) { struct interfaces_device *master = iface->upper; if (master == NULL || master->type != IFACE_BOND_T) return; if (iflinux_get_permanent_mac_ethtool(cfg, interfaces, iface) == -1 && (master->driver == NULL || !strcmp(master->driver, "bonding"))) /* Fallback to old method for a bond */ iflinux_get_permanent_mac_bond(cfg, interfaces, iface); } #ifdef ENABLE_DOT3 # define ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32 (SCHAR_MAX) # define ETHTOOL_DECLARE_LINK_MODE_MASK(name) \ uint32_t name[ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32] struct ethtool_link_usettings { struct ethtool_link_settings base; struct { ETHTOOL_DECLARE_LINK_MODE_MASK(supported); ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); } link_modes; }; static int iflinux_ethtool_link_mode_test_bit(unsigned int nr, const uint32_t *mask) { if (nr >= 32 * ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32) return 0; return !!(mask[nr / 32] & (1 << (nr % 32))); } static void iflinux_ethtool_link_mode_unset_bit(unsigned int nr, uint32_t *mask) { if (nr >= 32 * ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32) return; mask[nr / 32] &= ~(1 << (nr % 32)); } static int iflinux_ethtool_link_mode_is_empty(const uint32_t *mask) { for (unsigned int i = 0; i < ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32; ++i) { if (mask[i] != 0) return 0; } return 1; } static int iflinux_ethtool_glink(struct lldpd *cfg, const char *ifname, struct ethtool_link_usettings *uset) { int rc; /* Try with ETHTOOL_GLINKSETTINGS first */ struct { struct ethtool_link_settings req; uint32_t link_mode_data[3 * ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32]; } ecmd; static int8_t nwords = 0; struct ifreq ifr = {}; strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); if (nwords == 0) { /* Do a handshake first. We assume that this is device-independant. */ memset(&ecmd, 0, sizeof(ecmd)); ecmd.req.cmd = ETHTOOL_GLINKSETTINGS; ifr.ifr_data = (caddr_t)&ecmd; rc = ioctl(cfg->g_sock, SIOCETHTOOL, &ifr); if (rc == 0) { nwords = -ecmd.req.link_mode_masks_nwords; log_debug("interfaces", "glinksettings nwords is %" PRId8, nwords); } else { static int once = 0; if (errno == EPERM && !once) { log_warnx("interfaces", "cannot get ethtool link information " "with GLINKSETTINGS (requires 4.9+). " "25G+ speeds may be missing in MAC/PHY TLVs"); once = 1; } nwords = -1; } } if (nwords > 0) { memset(&ecmd, 0, sizeof(ecmd)); ecmd.req.cmd = ETHTOOL_GLINKSETTINGS; ecmd.req.link_mode_masks_nwords = nwords; ifr.ifr_data = (caddr_t)&ecmd; rc = ioctl(cfg->g_sock, SIOCETHTOOL, &ifr); if (rc == 0) { log_debug("interfaces", "got ethtool results for %s with GLINKSETTINGS", ifname); memcpy(&uset->base, &ecmd.req, sizeof(uset->base)); unsigned int u32_offs = 0; memcpy(uset->link_modes.supported, &ecmd.link_mode_data[u32_offs], 4 * ecmd.req.link_mode_masks_nwords); u32_offs += ecmd.req.link_mode_masks_nwords; memcpy(uset->link_modes.advertising, &ecmd.link_mode_data[u32_offs], 4 * ecmd.req.link_mode_masks_nwords); u32_offs += ecmd.req.link_mode_masks_nwords; memcpy(uset->link_modes.lp_advertising, &ecmd.link_mode_data[u32_offs], 4 * ecmd.req.link_mode_masks_nwords); goto end; } } /* Try with ETHTOOL_GSET */ struct ethtool_cmd ethc; memset(ðc, 0, sizeof(ethc)); ethc.cmd = ETHTOOL_GSET; ifr.ifr_data = (caddr_t)ðc; rc = ioctl(cfg->g_sock, SIOCETHTOOL, &ifr); if (rc == 0) { /* Do a partial copy (only what we need) */ log_debug("interfaces", "got ethtool results for %s with GSET", ifname); memset(uset, 0, sizeof(*uset)); uset->base.cmd = ETHTOOL_GSET; uset->base.link_mode_masks_nwords = 1; uset->link_modes.supported[0] = ethc.supported; uset->link_modes.advertising[0] = ethc.advertising; uset->link_modes.lp_advertising[0] = ethc.lp_advertising; uset->base.speed = (ethc.speed_hi << 16) | ethc.speed; uset->base.duplex = ethc.duplex; uset->base.port = ethc.port; uset->base.autoneg = ethc.autoneg; } else { static int once = 0; if (errno == EPERM && !once) { log_warnx("interfaces", "cannot get ethtool link information " "with GSET (requires 2.6.19+). " "MAC/PHY TLV will be unavailable"); once = 1; } } end: return rc; } /* Fill up MAC/PHY for a given hardware port */ static void iflinux_macphy(struct lldpd *cfg, struct lldpd_hardware *hardware) { struct ethtool_link_usettings uset = {}; struct lldpd_port *port = &hardware->h_lport; int j; int advertised_ethtool_to_rfc3636[][2] = { { ETHTOOL_LINK_MODE_10baseT_Half_BIT, LLDP_DOT3_LINK_AUTONEG_10BASE_T }, { ETHTOOL_LINK_MODE_10baseT_Full_BIT, LLDP_DOT3_LINK_AUTONEG_10BASET_FD }, { ETHTOOL_LINK_MODE_100baseT_Half_BIT, LLDP_DOT3_LINK_AUTONEG_100BASE_TX }, { ETHTOOL_LINK_MODE_100baseT_Full_BIT, LLDP_DOT3_LINK_AUTONEG_100BASE_TXFD }, { ETHTOOL_LINK_MODE_1000baseT_Half_BIT, LLDP_DOT3_LINK_AUTONEG_1000BASE_T }, { ETHTOOL_LINK_MODE_1000baseT_Full_BIT, LLDP_DOT3_LINK_AUTONEG_1000BASE_TFD }, { ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, LLDP_DOT3_LINK_AUTONEG_1000BASE_XFD }, { ETHTOOL_LINK_MODE_Pause_BIT, LLDP_DOT3_LINK_AUTONEG_FDX_PAUSE }, { ETHTOOL_LINK_MODE_Asym_Pause_BIT, LLDP_DOT3_LINK_AUTONEG_FDX_APAUSE }, { -1, 0 } }; log_debug("interfaces", "ask ethtool for the appropriate MAC/PHY for %s", hardware->h_ifname); if (iflinux_ethtool_glink(cfg, hardware->h_ifname, &uset) == 0) { port->p_macphy.autoneg_support = iflinux_ethtool_link_mode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, uset.link_modes.supported); port->p_macphy.autoneg_enabled = (uset.base.autoneg == AUTONEG_DISABLE) ? 0 : 1; for (j = 0; advertised_ethtool_to_rfc3636[j][0] >= 0; j++) { if (iflinux_ethtool_link_mode_test_bit( advertised_ethtool_to_rfc3636[j][0], uset.link_modes.advertising)) { port->p_macphy.autoneg_advertised |= advertised_ethtool_to_rfc3636[j][1]; iflinux_ethtool_link_mode_unset_bit( advertised_ethtool_to_rfc3636[j][0], uset.link_modes.advertising); } } iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, uset.link_modes.advertising); iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_TP_BIT, uset.link_modes.advertising); iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_AUI_BIT, uset.link_modes.advertising); iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_MII_BIT, uset.link_modes.advertising); iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, uset.link_modes.advertising); iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_BNC_BIT, uset.link_modes.advertising); iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_Pause_BIT, uset.link_modes.advertising); iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, uset.link_modes.advertising); iflinux_ethtool_link_mode_unset_bit(ETHTOOL_LINK_MODE_Backplane_BIT, uset.link_modes.advertising); if (!iflinux_ethtool_link_mode_is_empty(uset.link_modes.advertising)) { port->p_macphy.autoneg_advertised |= LLDP_DOT3_LINK_AUTONEG_OTHER; } switch (uset.base.speed) { case SPEED_10: port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? LLDP_DOT3_MAU_10BASETFD : LLDP_DOT3_MAU_10BASETHD; if (uset.base.port == PORT_BNC) port->p_macphy.mau_type = LLDP_DOT3_MAU_10BASE2; if (uset.base.port == PORT_FIBRE) port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? LLDP_DOT3_MAU_10BASEFLFD : LLDP_DOT3_MAU_10BASEFLHD; break; case SPEED_100: port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? LLDP_DOT3_MAU_100BASETXFD : LLDP_DOT3_MAU_100BASETXHD; if (uset.base.port == PORT_BNC) port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? LLDP_DOT3_MAU_100BASET2FD : LLDP_DOT3_MAU_100BASET2HD; if (uset.base.port == PORT_FIBRE) port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? LLDP_DOT3_MAU_100BASEFXFD : LLDP_DOT3_MAU_100BASEFXHD; break; case SPEED_1000: port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? LLDP_DOT3_MAU_1000BASETFD : LLDP_DOT3_MAU_1000BASETHD; if (uset.base.port == PORT_FIBRE) port->p_macphy.mau_type = (uset.base.duplex == DUPLEX_FULL) ? LLDP_DOT3_MAU_1000BASEXFD : LLDP_DOT3_MAU_1000BASEXHD; break; case SPEED_2500: port->p_macphy.mau_type = LLDP_DOT3_MAU_2P5GIGT; break; case SPEED_5000: port->p_macphy.mau_type = LLDP_DOT3_MAU_5GIGT; break; case SPEED_10000: // Distinguish between RJ45 BaseT, DAC BaseCX4, or Fibre BaseLR if (uset.base.port == PORT_TP) { port->p_macphy.mau_type = LLDP_DOT3_MAU_10GBASET; } else if (uset.base.port == PORT_FIBRE) { port->p_macphy.mau_type = LLDP_DOT3_MAU_10GIGBASELR; } else if (uset.base.port == PORT_DA) { port->p_macphy.mau_type = LLDP_DOT3_MAU_10GIGBASECX4; } break; case SPEED_25000: // Distinguish between RJ45 BaseT, DAC BaseCR, or Fibre BaseLR if (uset.base.port == PORT_TP) { port->p_macphy.mau_type = LLDP_DOT3_MAU_25GBASET; } else if (uset.base.port == PORT_FIBRE) { port->p_macphy.mau_type = LLDP_DOT3_MAU_25GBASELR; } else if (uset.base.port == PORT_DA) { port->p_macphy.mau_type = LLDP_DOT3_MAU_25GBASECR; } break; case SPEED_40000: // Same kind of approximation. port->p_macphy.mau_type = (uset.base.port == PORT_FIBRE) ? LLDP_DOT3_MAU_40GBASELR4 : LLDP_DOT3_MAU_40GBASECR4; break; case SPEED_50000: // Same kind of approximation. port->p_macphy.mau_type = (uset.base.port == PORT_FIBRE) ? LLDP_DOT3_MAU_50GBASELR : LLDP_DOT3_MAU_50GBASECR; break; case SPEED_100000: // Ditto port->p_macphy.mau_type = (uset.base.port == PORT_FIBRE) ? LLDP_DOT3_MAU_100GBASELR4 : LLDP_DOT3_MAU_100GBASECR4; break; } if (uset.base.port == PORT_AUI) port->p_macphy.mau_type = LLDP_DOT3_MAU_AUI; } } #else /* ENABLE_DOT3 */ static void iflinux_macphy(struct lldpd *cfg, struct lldpd_hardware *hardware) { } #endif /* ENABLE_DOT3 */ #ifdef ENABLE_OLDIES struct bond_master { char name[IFNAMSIZ]; int index; }; static int iface_bond_init(struct lldpd *cfg, struct lldpd_hardware *hardware) { struct bond_master *master = hardware->h_data; int fd; int un = 1; if (!master) return -1; log_debug("interfaces", "initialize enslaved device %s", hardware->h_ifname); /* First, we get a socket to the raw physical interface */ if ((fd = priv_iface_init(hardware->h_ifindex, hardware->h_ifname)) == -1) return -1; hardware->h_sendfd = fd; interfaces_setup_multicast(cfg, hardware->h_ifname, 0); /* Then, we open a raw interface for the master */ log_debug("interfaces", "enslaved device %s has master %s(%d)", hardware->h_ifname, master->name, master->index); if ((fd = priv_iface_init(master->index, master->name)) == -1) { close(hardware->h_sendfd); return -1; } /* With bonding and older kernels (< 2.6.27) we need to listen * to bond device. We use setsockopt() PACKET_ORIGDEV to get * physical device instead of bond device (works with >= * 2.6.24). */ if (setsockopt(fd, SOL_PACKET, PACKET_ORIGDEV, &un, sizeof(un)) == -1) { log_info("interfaces", "unable to setsockopt for master bonding device of %s. " "You will get inaccurate results", hardware->h_ifname); } interfaces_setup_multicast(cfg, master->name, 0); levent_hardware_add_fd(hardware, hardware->h_sendfd); levent_hardware_add_fd(hardware, fd); log_debug("interfaces", "interface %s initialized (fd=%d,master=%s[%d])", hardware->h_ifname, hardware->h_sendfd, master->name, fd); return 0; } static int iface_bond_recv(struct lldpd *cfg, struct lldpd_hardware *hardware, int fd, char *buffer, size_t size) { int n; struct sockaddr_ll from; struct bond_master *master = hardware->h_data; log_debug("interfaces", "receive PDU from enslaved device %s", hardware->h_ifname); if ((n = iflinux_generic_recv(hardware, fd, buffer, size, &from)) == -1) return -1; if (fd == hardware->h_sendfd) /* We received this on the physical interface. */ return n; /* We received this on the bonding interface. Is it really for us? */ if (from.sll_ifindex == hardware->h_ifindex) /* This is for us */ return n; if (from.sll_ifindex == master->index) /* We don't know from which physical interface it comes (kernel * < 2.6.24). In doubt, this is for us. */ return n; return -1; /* Not for us */ } static int iface_bond_close(struct lldpd *cfg, struct lldpd_hardware *hardware) { struct bond_master *master = hardware->h_data; log_debug("interfaces", "closing enslaved device %s", hardware->h_ifname); interfaces_setup_multicast(cfg, hardware->h_ifname, 1); interfaces_setup_multicast(cfg, master->name, 1); free(hardware->h_data); hardware->h_data = NULL; return 0; } struct lldpd_ops bond_ops = { .send = iflinux_eth_send, .recv = iface_bond_recv, .cleanup = iface_bond_close, }; static void iflinux_handle_bond(struct lldpd *cfg, struct interfaces_device_list *interfaces) { struct interfaces_device *iface; struct interfaces_device *master; struct lldpd_hardware *hardware; struct bond_master *bmaster; int created; TAILQ_FOREACH (iface, interfaces, next) { if (!(iface->type & IFACE_PHYSICAL_T)) continue; if (iface->ignore) continue; if (!iface->upper || !(iface->upper->type & IFACE_BOND_T)) continue; master = iface->upper; log_debug("interfaces", "%s is an acceptable enslaved device (master=%s)", iface->name, master->name); created = 0; if ((hardware = lldpd_get_hardware(cfg, iface->name, iface->index)) == NULL) { if ((hardware = lldpd_alloc_hardware(cfg, iface->name, iface->index)) == NULL) { log_warnx("interfaces", "Unable to allocate space for %s", iface->name); continue; } created = 1; } if (hardware->h_flags) continue; if (hardware->h_ops != &bond_ops || hardware->h_ifindex_changed) { if (!created) { log_debug("interfaces", "bond %s is converted from another type of interface", hardware->h_ifname); if (hardware->h_ops && hardware->h_ops->cleanup) hardware->h_ops->cleanup(cfg, hardware); levent_hardware_release(hardware); levent_hardware_init(hardware); } bmaster = hardware->h_data = calloc(1, sizeof(struct bond_master)); if (!bmaster) { log_warn("interfaces", "not enough memory"); lldpd_hardware_cleanup(cfg, hardware); continue; } } else bmaster = hardware->h_data; bmaster->index = master->index; strlcpy(bmaster->name, master->name, IFNAMSIZ); if (hardware->h_ops != &bond_ops || hardware->h_ifindex_changed) { if (iface_bond_init(cfg, hardware) != 0) { log_warn("interfaces", "unable to initialize %s", hardware->h_ifname); lldpd_hardware_cleanup(cfg, hardware); continue; } hardware->h_ops = &bond_ops; hardware->h_mangle = 1; } if (created) interfaces_helper_add_hardware(cfg, hardware); else lldpd_port_cleanup(&hardware->h_lport, 0); hardware->h_flags = iface->flags; iface->ignore = 1; /* Get local address */ memcpy(&hardware->h_lladdr, iface->address, ETHER_ADDR_LEN); /* Fill information about port */ interfaces_helper_port_name_desc(cfg, hardware, iface); /* Fill additional info */ # ifdef ENABLE_DOT3 hardware->h_lport.p_aggregid = master->index; # endif hardware->h_mtu = iface->mtu ? iface->mtu : 1500; } } #endif /* Query each interface to get the appropriate driver */ static void iflinux_add_driver(struct lldpd *cfg, struct interfaces_device_list *interfaces) { struct interfaces_device *iface; TAILQ_FOREACH (iface, interfaces, next) { struct ethtool_drvinfo ethc = { .cmd = ETHTOOL_GDRVINFO }; struct ifreq ifr = { .ifr_data = (caddr_t)ðc }; if (iface->driver) continue; strlcpy(ifr.ifr_name, iface->name, IFNAMSIZ); if (ioctl(cfg->g_sock, SIOCETHTOOL, &ifr) == 0) { iface->driver = strdup(ethc.driver); log_debug("interfaces", "driver for %s is `%s`", iface->name, iface->driver); } } } /* Query each interface to see if it is a wireless one */ static void iflinux_add_wireless(struct lldpd *cfg, struct interfaces_device_list *interfaces) { struct interfaces_device *iface; TAILQ_FOREACH (iface, interfaces, next) { struct iwreq iwr = {}; strlcpy(iwr.ifr_name, iface->name, IFNAMSIZ); if (ioctl(cfg->g_sock, SIOCGIWNAME, &iwr) >= 0) { log_debug("interfaces", "%s is wireless", iface->name); iface->type |= IFACE_WIRELESS_T | IFACE_PHYSICAL_T; } } } /* Query each interface to see if it is a bridge */ static void iflinux_add_bridge(struct lldpd *cfg, struct interfaces_device_list *interfaces) { struct interfaces_device *iface; TAILQ_FOREACH (iface, interfaces, next) { if (iface->type & (IFACE_PHYSICAL_T | IFACE_VLAN_T | IFACE_BOND_T | IFACE_BRIDGE_T)) continue; if (iflinux_is_bridge(cfg, interfaces, iface)) { log_debug("interfaces", "interface %s is a bridge", iface->name); iface->type |= IFACE_BRIDGE_T; } } } /* Query each interface to see if it is a bond */ static void iflinux_add_bond(struct lldpd *cfg, struct interfaces_device_list *interfaces) { struct interfaces_device *iface; TAILQ_FOREACH (iface, interfaces, next) { if (iface->type & (IFACE_PHYSICAL_T | IFACE_VLAN_T | IFACE_BOND_T | IFACE_BRIDGE_T)) continue; if (iflinux_is_bond(cfg, interfaces, iface)) { log_debug("interfaces", "interface %s is a bond", iface->name); iface->type |= IFACE_BOND_T; } } } /* Query each interface to see if it is a vlan */ static void iflinux_add_vlan(struct lldpd *cfg, struct interfaces_device_list *interfaces) { struct interfaces_device *iface; TAILQ_FOREACH (iface, interfaces, next) { if (iface->type & (IFACE_PHYSICAL_T | IFACE_VLAN_T | IFACE_BOND_T | IFACE_BRIDGE_T)) continue; if (iflinux_is_vlan(cfg, interfaces, iface)) { log_debug("interfaces", "interface %s is a VLAN", iface->name); iface->type |= IFACE_VLAN_T; } } } static void iflinux_add_physical(struct lldpd *cfg, struct interfaces_device_list *interfaces) { struct interfaces_device *iface; /* Deny some drivers */ const char *const *rif; const char *const denied_drivers[] = { "cdc_mbim", "vxlan", NULL }; TAILQ_FOREACH (iface, interfaces, next) { if (iface->type & (IFACE_VLAN_T | IFACE_BOND_T | IFACE_BRIDGE_T)) continue; iface->type &= ~IFACE_PHYSICAL_T; /* We request that the interface is able to do either multicast * or broadcast to be able to send discovery frames. */ if (!(iface->flags & (IFF_MULTICAST | IFF_BROADCAST))) { log_debug("interfaces", "skip %s: not able to do multicast nor broadcast", iface->name); continue; } /* Check if the driver is not denied */ if (iface->driver) { int skip = 0; for (rif = denied_drivers; *rif; rif++) { if (strcmp(iface->driver, *rif) == 0) { log_debug("interfaces", "skip %s: denied driver", iface->name); skip = 1; break; } } if (skip) continue; } /* If the interface is linked to another one, skip it too. */ if (iface->lower && (!iface->driver || (strcmp(iface->driver, "veth") && strcmp(iface->driver, "dsa")))) { log_debug("interfaces", "skip %s: there is a lower interface (%s)", iface->name, iface->lower->name); continue; } /* Get the real MAC address (for example, if the interface is enslaved) */ iflinux_get_permanent_mac(cfg, interfaces, iface); log_debug("interfaces", "%s is a physical interface", iface->name); iface->type |= IFACE_PHYSICAL_T; } } void interfaces_update(struct lldpd *cfg) { struct lldpd_hardware *hardware; struct interfaces_device_list *interfaces; struct interfaces_address_list *addresses; interfaces = netlink_get_interfaces(cfg); addresses = netlink_get_addresses(cfg); if (interfaces == NULL || addresses == NULL) { log_warnx("interfaces", "cannot update the list of local interfaces"); return; } /* Add missing bits to list of interfaces */ iflinux_add_driver(cfg, interfaces); if (LOCAL_CHASSIS(cfg)->c_cap_available & LLDP_CAP_WLAN) iflinux_add_wireless(cfg, interfaces); if (LOCAL_CHASSIS(cfg)->c_cap_available & LLDP_CAP_BRIDGE) iflinux_add_bridge(cfg, interfaces); iflinux_add_bond(cfg, interfaces); iflinux_add_vlan(cfg, interfaces); iflinux_add_physical(cfg, interfaces); interfaces_helper_allowlist(cfg, interfaces); #ifdef ENABLE_OLDIES iflinux_handle_bond(cfg, interfaces); #endif interfaces_helper_physical(cfg, interfaces, ð_ops, iflinux_eth_init); #ifdef ENABLE_DOT1 interfaces_helper_vlan(cfg, interfaces); #endif interfaces_helper_mgmt(cfg, addresses, interfaces); interfaces_helper_chassis(cfg, interfaces); /* Mac/PHY */ TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) { if (!hardware->h_flags) continue; iflinux_macphy(cfg, hardware); interfaces_helper_promisc(cfg, hardware); } } void interfaces_cleanup(struct lldpd *cfg) { netlink_cleanup(cfg); } lldpd-1.0.18/src/daemon/interfaces-bsd.c0000644000076400001440000005045014532716672017246 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #include #include #include #include #include #include #include #include #include #include #if defined HOST_OS_FREEBSD # include # include # include #elif defined HOST_OS_DRAGONFLY # include # include #elif defined HOST_OS_OPENBSD # include # include # include #elif defined HOST_OS_NETBSD # include # include # include #elif defined HOST_OS_OSX # include # include # include #endif #ifndef IFDESCRSIZE # define IFDESCRSIZE 64 #endif static int ifbsd_check_wireless(struct lldpd *cfg, struct ifaddrs *ifaddr, struct interfaces_device *iface) { struct ifmediareq ifmr = {}; strlcpy(ifmr.ifm_name, iface->name, sizeof(ifmr.ifm_name)); if (ioctl(cfg->g_sock, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0 || IFM_TYPE(ifmr.ifm_current) != IFM_IEEE80211) return 0; /* Not wireless either */ iface->type |= IFACE_WIRELESS_T | IFACE_PHYSICAL_T; return 0; } static void ifbsd_check_bridge(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct interfaces_device *master) { static size_t ifbic_len = 64; struct ifbreq *req = NULL; struct ifbifconf bifc = {}; retry_alloc: if ((req = realloc(req, ifbic_len)) == NULL) { log_warn("interfaces", "unable to allocate memory to query bridge %s", master->name); free(bifc.ifbic_req); return; } bifc.ifbic_len = ifbic_len; bifc.ifbic_req = req; #if defined HOST_OS_FREEBSD || defined HOST_OS_NETBSD || defined HOST_OS_OSX || \ defined HOST_OS_DRAGONFLY struct ifdrv ifd = { .ifd_cmd = BRDGGIFS, .ifd_len = sizeof(bifc), .ifd_data = &bifc }; strlcpy(ifd.ifd_name, master->name, sizeof(ifd.ifd_name)); if (ioctl(cfg->g_sock, SIOCGDRVSPEC, (caddr_t)&ifd) < 0) { log_debug("interfaces", "%s is not a bridge", master->name); return; } #elif defined HOST_OS_OPENBSD strlcpy(bifc.ifbic_name, master->name, sizeof(bifc.ifbic_name)); if (ioctl(cfg->g_sock, SIOCBRDGIFS, (caddr_t)&bifc) < 0) { log_debug("interfaces", "%s is not a bridge", master->name); return; } #else # error Unsupported OS #endif if (bifc.ifbic_len >= ifbic_len) { ifbic_len = bifc.ifbic_len + 1; goto retry_alloc; } for (int i = 0; i < bifc.ifbic_len / sizeof(*req); i++) { struct interfaces_device *slave = interfaces_nametointerface(interfaces, req[i].ifbr_ifsname); if (slave == NULL) { log_warnx("interfaces", "%s should be bridged to %s but we don't know %s", req[i].ifbr_ifsname, master->name, req[i].ifbr_ifsname); continue; } log_debug("interfaces", "%s is bridged to %s", slave->name, master->name); slave->upper = master; } master->type |= IFACE_BRIDGE_T; } static void ifbsd_check_bond(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct interfaces_device *master) { #if defined HOST_OS_OPENBSD /* OpenBSD is the same as FreeBSD, just lagg->trunk */ # define lagg_reqport trunk_reqport # define lagg_reqall trunk_reqall # define SIOCGLAGG SIOCGTRUNK # define LAGG_MAX_PORTS TRUNK_MAX_PORTS #endif #if defined HOST_OS_OPENBSD || defined HOST_OS_FREEBSD struct lagg_reqport rpbuf[LAGG_MAX_PORTS]; struct lagg_reqall ra = { .ra_size = sizeof(rpbuf), .ra_port = rpbuf }; strlcpy(ra.ra_ifname, master->name, IFNAMSIZ); if (ioctl(cfg->g_sock, SIOCGLAGG, (caddr_t)&ra) < 0) { log_debug("interfaces", "%s is not a bond", master->name); return; } for (int i = 0; i < ra.ra_ports; i++) { struct interfaces_device *slave; slave = interfaces_nametointerface(interfaces, rpbuf[i].rp_portname); if (slave == NULL) { log_warnx("interfaces", "%s should be enslaved to %s but we don't know %s", rpbuf[i].rp_portname, master->name, rpbuf[i].rp_portname); continue; } log_debug("interfaces", "%s is enslaved to bond %s", slave->name, master->name); slave->upper = master; } master->type |= IFACE_BOND_T; #elif defined HOST_OS_NETBSD /* No max, we consider a maximum of 24 ports */ char buf[sizeof(struct agrportinfo) * 24] = {}; size_t buflen = sizeof(buf); struct agrreq ar = { .ar_version = AGRREQ_VERSION, .ar_cmd = AGRCMD_PORTLIST, .ar_buf = buf, .ar_buflen = buflen }; struct ifreq ifr = { .ifr_data = &ar }; struct agrportlist *apl = (void *)buf; struct agrportinfo *api = (void *)(apl + 1); strlcpy(ifr.ifr_name, master->name, sizeof(ifr.ifr_name)); if (ioctl(cfg->g_sock, SIOCGETAGR, &ifr) == -1) { if (errno == E2BIG) { log_warnx("interfaces", "%s is a too big aggregate. Please, report the problem", master->name); } else { log_debug("interfaces", "%s is not an aggregate", master->name); } return; } for (int i = 0; i < apl->apl_nports; i++, api++) { struct interfaces_device *slave; slave = interfaces_nametointerface(interfaces, api->api_ifname); if (slave == NULL) { log_warnx("interfaces", "%s should be enslaved to %s but we don't know %s", api->api_ifname, master->name, api->api_ifname); continue; } log_debug("interfaces", "%s is enslaved to bond %s", slave->name, master->name); slave->upper = master; } master->type |= IFACE_BOND_T; #elif defined HOST_OS_OSX struct if_bond_req ibr = { .ibr_op = IF_BOND_OP_GET_STATUS, .ibr_ibru = { .ibru_status = { .ibsr_version = IF_BOND_STATUS_REQ_VERSION } } }; struct ifreq ifr = { .ifr_data = (caddr_t)&ibr }; strlcpy(ifr.ifr_name, master->name, sizeof(ifr.ifr_name)); if (ioctl(cfg->g_sock, SIOCGIFBOND, (caddr_t)&ifr) < 0) { log_debug("interfaces", "%s is not an aggregate", master->name); return; } master->type |= IFACE_BOND_T; if (ibr.ibr_ibru.ibru_status.ibsr_total == 0) { log_debug("interfaces", "no members for bond %s", master->name); return; } struct if_bond_status_req *ibsr_p = &ibr.ibr_ibru.ibru_status; ibsr_p->ibsr_buffer = malloc(sizeof(struct if_bond_status) * ibsr_p->ibsr_total); if (ibsr_p->ibsr_buffer == NULL) { log_warnx("interfaces", "not enough memory to check bond members"); return; } ibsr_p->ibsr_count = ibsr_p->ibsr_total; if (ioctl(cfg->g_sock, SIOCGIFBOND, (caddr_t)&ifr) < 0) { log_warn("interfaces", "unable to get members for bond %s", master->name); goto end; } struct if_bond_status *ibs_p = (struct if_bond_status *)ibsr_p->ibsr_buffer; for (int i = 0; i < ibsr_p->ibsr_total; i++, ibs_p++) { struct interfaces_device *slave; slave = interfaces_nametointerface(interfaces, ibs_p->ibs_if_name); if (slave == NULL) { log_warnx("interfaces", "%s should be enslaved to %s but we don't know %s", ibs_p->ibs_if_name, master->name, ibs_p->ibs_if_name); continue; } log_debug("interfaces", "%s is enslaved to bond %s", slave->name, master->name); slave->upper = master; } end: free(ibsr_p->ibsr_buffer); #elif defined HOST_OS_DRAGONFLY log_debug("interfaces", "DragonFly BSD does not support link aggregation"); #else # error Unsupported OS #endif } static void ifbsd_check_vlan(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct interfaces_device *vlan) { struct interfaces_device *lower; struct vlanreq vreq = {}; struct ifreq ifr = { .ifr_data = (caddr_t)&vreq }; strlcpy(ifr.ifr_name, vlan->name, sizeof(ifr.ifr_name)); if (ioctl(cfg->g_sock, SIOCGETVLAN, (caddr_t)&ifr) < 0) { log_debug("interfaces", "%s is not a VLAN", vlan->name); return; } if (strlen(vreq.vlr_parent) == 0) { log_debug("interfaces", "%s is a VLAN but has no lower interface", vlan->name); vlan->lower = NULL; vlan->type |= IFACE_VLAN_T; return; } lower = interfaces_nametointerface(interfaces, vreq.vlr_parent); if (lower == NULL) { log_warnx("interfaces", "%s should be a VLAN of %s but %s does not exist", vlan->name, vreq.vlr_parent, vreq.vlr_parent); return; } log_debug("interfaces", "%s is VLAN %d of %s", vlan->name, vreq.vlr_tag, lower->name); vlan->lower = lower; bitmap_set(vlan->vlan_bmap, vreq.vlr_tag); vlan->type |= IFACE_VLAN_T; } static void ifbsd_check_physical(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct interfaces_device *iface) { if (iface->type & (IFACE_VLAN_T | IFACE_BOND_T | IFACE_BRIDGE_T | IFACE_PHYSICAL_T)) return; if (!(iface->flags & (IFF_MULTICAST | IFF_BROADCAST))) { log_debug("interfaces", "skip %s: not able to do multicast nor broadcast", iface->name); return; } log_debug("interfaces", "%s is a physical interface", iface->name); iface->type |= IFACE_PHYSICAL_T; } /* Remove any dangerous interface. Currently, only p2p0 is removed as it * triggers some AirDrop functionality when we send something on it. * See: https://github.com/lldpd/lldpd/issues/61 */ static void ifbsd_denylist(struct lldpd *cfg, struct interfaces_device_list *interfaces) { #ifdef HOST_OS_OSX struct interfaces_device *iface = NULL; TAILQ_FOREACH (iface, interfaces, next) { int i; if (strncmp(iface->name, "p2p", 3)) continue; if (strlen(iface->name) < 4) continue; for (i = 3; iface->name[i] != '\0' && isdigit((unsigned char)(iface->name[i])); i++) ; if (iface->name[i] == '\0') { log_debug("interfaces", "skip %s: AirDrop interface", iface->name); iface->ignore = 1; } } #endif } static struct interfaces_device * ifbsd_extract_device(struct lldpd *cfg, struct ifaddrs *ifaddr) { struct interfaces_device *iface = NULL; struct sockaddr_dl *saddrdl = ALIGNED_CAST(struct sockaddr_dl *, ifaddr->ifa_addr); if ((saddrdl->sdl_type != IFT_BRIDGE) && (saddrdl->sdl_type != IFT_L2VLAN) && (saddrdl->sdl_type != IFT_ETHER)) { log_debug("interfaces", "skip %s: not an ethernet device (%d)", ifaddr->ifa_name, saddrdl->sdl_type); return NULL; } if ((iface = calloc(1, sizeof(struct interfaces_device))) == NULL) { log_warn("interfaces", "unable to allocate memory for %s", ifaddr->ifa_name); return NULL; } iface->index = saddrdl->sdl_index; iface->name = strdup(ifaddr->ifa_name); iface->flags = ifaddr->ifa_flags; /* MAC address */ iface->address = malloc(ETHER_ADDR_LEN); if (iface->address) memcpy(iface->address, LLADDR(saddrdl), ETHER_ADDR_LEN); /* Grab description */ #ifdef SIOCGIFDESCR # if defined HOST_OS_FREEBSD || defined HOST_OS_OPENBSD iface->alias = malloc(IFDESCRSIZE); if (iface->alias) { # if defined HOST_OS_FREEBSD struct ifreq ifr = { .ifr_buffer = { .buffer = iface->alias, .length = IFDESCRSIZE } }; # else struct ifreq ifr = { .ifr_data = (caddr_t)iface->alias }; # endif strlcpy(ifr.ifr_name, ifaddr->ifa_name, sizeof(ifr.ifr_name)); if (ioctl(cfg->g_sock, SIOCGIFDESCR, (caddr_t)&ifr) < 0) { free(iface->alias); iface->alias = NULL; } } # endif #endif /* SIOCGIFDESCR */ if (ifbsd_check_wireless(cfg, ifaddr, iface) == -1) { interfaces_free_device(iface); return NULL; } return iface; } static void ifbsd_extract(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct interfaces_address_list *addresses, struct ifaddrs *ifaddr) { struct interfaces_address *address = NULL; struct interfaces_device *device = NULL; if (!ifaddr->ifa_name) return; if (!ifaddr->ifa_addr) return; switch (ifaddr->ifa_addr->sa_family) { case AF_LINK: log_debug("interfaces", "grabbing information on interface %s", ifaddr->ifa_name); device = ifbsd_extract_device(cfg, ifaddr); if (device) { #if defined HOST_OS_OPENBSD /* On OpenBSD, the interface can have IFF_RUNNING but be down. */ struct if_data *ifdata; ifdata = ifaddr->ifa_data; if (!LINK_STATE_IS_UP(ifdata->ifi_link_state)) device->flags &= ~IFF_RUNNING; #endif TAILQ_INSERT_TAIL(interfaces, device, next); } break; case AF_INET: case AF_INET6: log_debug("interfaces", "got an IP address on %s", ifaddr->ifa_name); address = malloc(sizeof(struct interfaces_address)); if (address == NULL) { log_warn("interfaces", "not enough memory for a new IP address on %s", ifaddr->ifa_name); return; } address->flags = ifaddr->ifa_flags; address->index = if_nametoindex(ifaddr->ifa_name); memcpy(&address->address, ifaddr->ifa_addr, (ifaddr->ifa_addr->sa_family == AF_INET) ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6)); TAILQ_INSERT_TAIL(addresses, address, next); break; default: log_debug("interfaces", "unhandled family %d for interface %s", ifaddr->ifa_addr->sa_family, ifaddr->ifa_name); } } static void ifbsd_macphy(struct lldpd *cfg, struct lldpd_hardware *hardware) { #ifdef ENABLE_DOT3 struct ifmediareq ifmr = {}; # ifdef HAVE_TYPEOF typeof(ifmr.ifm_ulist[0]) media_list[32] = {}; # else int media_list[32] = {}; # endif ifmr.ifm_ulist = media_list; ifmr.ifm_count = 32; struct lldpd_port *port = &hardware->h_lport; unsigned int duplex; unsigned int media; int advertised_ifmedia_to_rfc3636[][3] = { { IFM_10_T, LLDP_DOT3_LINK_AUTONEG_10BASE_T, LLDP_DOT3_LINK_AUTONEG_10BASET_FD }, { IFM_10_STP, LLDP_DOT3_LINK_AUTONEG_10BASE_T, LLDP_DOT3_LINK_AUTONEG_10BASET_FD }, { IFM_100_TX, LLDP_DOT3_LINK_AUTONEG_100BASE_TX, LLDP_DOT3_LINK_AUTONEG_100BASE_TXFD }, { IFM_100_T4, LLDP_DOT3_LINK_AUTONEG_100BASE_T4, LLDP_DOT3_LINK_AUTONEG_100BASE_T4 }, { IFM_100_T2, LLDP_DOT3_LINK_AUTONEG_100BASE_T2, LLDP_DOT3_LINK_AUTONEG_100BASE_T2FD }, { IFM_1000_SX, LLDP_DOT3_LINK_AUTONEG_1000BASE_X, LLDP_DOT3_LINK_AUTONEG_1000BASE_XFD }, { IFM_1000_LX, LLDP_DOT3_LINK_AUTONEG_1000BASE_X, LLDP_DOT3_LINK_AUTONEG_1000BASE_XFD }, { IFM_1000_CX, LLDP_DOT3_LINK_AUTONEG_1000BASE_X, LLDP_DOT3_LINK_AUTONEG_1000BASE_XFD }, { IFM_1000_T, LLDP_DOT3_LINK_AUTONEG_1000BASE_T, LLDP_DOT3_LINK_AUTONEG_1000BASE_TFD }, { 0, 0, 0 } }; int current_ifmedia_to_rfc3636[][3] = { { IFM_10_T, LLDP_DOT3_MAU_10BASETHD, LLDP_DOT3_MAU_10BASETFD }, { IFM_10_STP, LLDP_DOT3_MAU_10BASETHD, LLDP_DOT3_MAU_10BASETFD }, { IFM_10_2, LLDP_DOT3_MAU_10BASE2, LLDP_DOT3_MAU_10BASE2 }, { IFM_10_5, LLDP_DOT3_MAU_10BASE5, LLDP_DOT3_MAU_10BASE5 }, { IFM_100_TX, LLDP_DOT3_MAU_100BASETXHD, LLDP_DOT3_MAU_100BASETXFD }, { IFM_100_FX, LLDP_DOT3_MAU_100BASEFXHD, LLDP_DOT3_MAU_100BASEFXFD }, { IFM_100_T2, LLDP_DOT3_MAU_100BASET2HD, LLDP_DOT3_MAU_100BASET2FD }, { IFM_1000_SX, LLDP_DOT3_MAU_1000BASESXHD, LLDP_DOT3_MAU_1000BASESXFD }, { IFM_10_FL, LLDP_DOT3_MAU_10BASEFLHD, LLDP_DOT3_MAU_10BASEFLFD }, { IFM_1000_LX, LLDP_DOT3_MAU_1000BASELXHD, LLDP_DOT3_MAU_1000BASELXFD }, { IFM_1000_CX, LLDP_DOT3_MAU_1000BASECXHD, LLDP_DOT3_MAU_1000BASECXFD }, { IFM_1000_T, LLDP_DOT3_MAU_1000BASETHD, LLDP_DOT3_MAU_1000BASETFD }, { IFM_10G_LR, LLDP_DOT3_MAU_10GIGBASELR, LLDP_DOT3_MAU_10GIGBASELR }, { IFM_10G_SR, LLDP_DOT3_MAU_10GIGBASESR, LLDP_DOT3_MAU_10GIGBASESR }, { IFM_10G_CX4, LLDP_DOT3_MAU_10GIGBASELX4, LLDP_DOT3_MAU_10GIGBASELX4 }, # ifdef IFM_10G_T { IFM_10G_T, LLDP_DOT3_MAU_10GIGBASECX4, LLDP_DOT3_MAU_10GIGBASECX4 }, # endif # ifdef IFM_10G_TWINAX { IFM_10G_TWINAX, LLDP_DOT3_MAU_10GIGBASECX4, LLDP_DOT3_MAU_10GIGBASECX4 }, # endif # ifdef IFM_10G_TWINAX_LONG { IFM_10G_TWINAX_LONG, LLDP_DOT3_MAU_10GIGBASECX4, LLDP_DOT3_MAU_10GIGBASECX4 }, # endif # ifdef IFM_10G_LRM { IFM_10G_LRM, LLDP_DOT3_MAU_10GIGBASELR, LLDP_DOT3_MAU_10GIGBASELR }, # endif # ifdef IFM_10G_SFP_CU { IFM_10G_SFP_CU, LLDP_DOT3_MAU_10GIGBASECX4, LLDP_DOT3_MAU_10GIGBASECX4 }, # endif { 0, 0, 0 } }; log_debug("interfaces", "get MAC/phy for %s", hardware->h_ifname); strlcpy(ifmr.ifm_name, hardware->h_ifname, sizeof(ifmr.ifm_name)); if (ioctl(cfg->g_sock, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { log_debug("interfaces", "unable to get media information from %s", hardware->h_ifname); return; } if (IFM_TYPE(ifmr.ifm_current) != IFM_ETHER) { log_warnx("interfaces", "cannot get media information from %s: not an ethernet device", hardware->h_ifname); return; } if ((ifmr.ifm_status & IFM_ACTIVE) == 0) { log_debug("interfaces", "interface %s is now down, skip", hardware->h_ifname); return; } if (ifmr.ifm_count == 0) { log_warnx("interfaces", "no media information available on %s", hardware->h_ifname); return; } port->p_macphy.autoneg_support = port->p_macphy.autoneg_enabled = 0; for (int m = 0; m < ifmr.ifm_count; m++) { media = IFM_SUBTYPE(ifmr.ifm_ulist[m]); duplex = !!(IFM_OPTIONS(ifmr.ifm_ulist[m]) & IFM_FDX); if (media == IFM_AUTO) { port->p_macphy.autoneg_support = 1; port->p_macphy.autoneg_enabled = (IFM_SUBTYPE(ifmr.ifm_current) == IFM_AUTO); continue; } int found = 0; for (int j = 0; advertised_ifmedia_to_rfc3636[j][0]; j++) { if (advertised_ifmedia_to_rfc3636[j][0] == media) { port->p_macphy.autoneg_advertised |= advertised_ifmedia_to_rfc3636[j][1 + duplex]; found = 1; break; } } if (!found) port->p_macphy.autoneg_advertised |= LLDP_DOT3_LINK_AUTONEG_OTHER; } port->p_macphy.mau_type = 0; media = IFM_SUBTYPE(ifmr.ifm_active); duplex = !!(IFM_OPTIONS(ifmr.ifm_active) & IFM_FDX); for (int j = 0; current_ifmedia_to_rfc3636[j][0]; j++) { if (current_ifmedia_to_rfc3636[j][0] == media) { port->p_macphy.mau_type = current_ifmedia_to_rfc3636[j][1 + duplex]; break; } } #endif } extern struct lldpd_ops bpf_ops; void interfaces_update(struct lldpd *cfg) { struct lldpd_hardware *hardware; struct interfaces_device *iface; struct interfaces_device_list *interfaces; struct interfaces_address_list *addresses; struct ifaddrs *ifaddrs = NULL, *ifaddr; interfaces = malloc(sizeof(struct interfaces_device_list)); addresses = malloc(sizeof(struct interfaces_address_list)); if (interfaces == NULL || addresses == NULL) { log_warnx("interfaces", "unable to allocate memory"); goto end; } TAILQ_INIT(interfaces); TAILQ_INIT(addresses); if (getifaddrs(&ifaddrs) < 0) { log_warnx("interfaces", "unable to get list of interfaces"); goto end; } for (ifaddr = ifaddrs; ifaddr != NULL; ifaddr = ifaddr->ifa_next) { ifbsd_extract(cfg, interfaces, addresses, ifaddr); } /* Link interfaces together if needed */ TAILQ_FOREACH (iface, interfaces, next) { ifbsd_check_bridge(cfg, interfaces, iface); ifbsd_check_bond(cfg, interfaces, iface); ifbsd_check_vlan(cfg, interfaces, iface); ifbsd_check_physical(cfg, interfaces, iface); } ifbsd_denylist(cfg, interfaces); interfaces_helper_allowlist(cfg, interfaces); interfaces_helper_physical(cfg, interfaces, &bpf_ops, ifbpf_phys_init); #ifdef ENABLE_DOT1 interfaces_helper_vlan(cfg, interfaces); #endif interfaces_helper_mgmt(cfg, addresses, interfaces); interfaces_helper_chassis(cfg, interfaces); /* Mac/PHY */ TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) { if (!hardware->h_flags) continue; ifbsd_macphy(cfg, hardware); interfaces_helper_promisc(cfg, hardware); } if (cfg->g_iface_event == NULL) { int s; log_debug("interfaces", "subscribe to route socket notifications"); if ((s = socket(PF_ROUTE, SOCK_RAW, 0)) < 0) { log_warn("interfaces", "unable to open route socket"); goto end; } #ifdef ROUTE_MSGFILTER unsigned int rtfilter; rtfilter = ROUTE_FILTER(RTM_IFINFO); if (setsockopt(s, PF_ROUTE, ROUTE_MSGFILTER, &rtfilter, sizeof(rtfilter)) == -1) log_warn("interfaces", "unable to set filter for interface updates"); #endif if (levent_iface_subscribe(cfg, s) == -1) close(s); } end: interfaces_free_devices(interfaces); interfaces_free_addresses(addresses); if (ifaddrs) freeifaddrs(ifaddrs); } void interfaces_cleanup(struct lldpd *cfg) { } lldpd-1.0.18/src/daemon/priv-linux.c0000644000076400001440000002275614532716672016502 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #include #include #include #include #include #include #include #include #include /* For sockaddr_ll */ #if defined(__clang__) # pragma clang diagnostic push # pragma clang diagnostic ignored "-Wdocumentation" #endif #include /* For BPF filtering */ #include #include #include #if defined(__clang__) # pragma clang diagnostic pop #endif /* Defined in linux/pkt_sched.h */ #define TC_PRIO_CONTROL 7 /* Defined in sysfs/libsysfs.h */ #define SYSFS_PATH_MAX 256 /* Proxy for open */ int priv_open(const char *file) { int len, rc; enum priv_cmd cmd = PRIV_OPEN; must_write(PRIV_UNPRIVILEGED, &cmd, sizeof(enum priv_cmd)); len = strlen(file); must_write(PRIV_UNPRIVILEGED, &len, sizeof(int)); must_write(PRIV_UNPRIVILEGED, file, len); priv_wait(); must_read(PRIV_UNPRIVILEGED, &rc, sizeof(int)); if (rc == -1) return rc; return receive_fd(PRIV_UNPRIVILEGED); } void asroot_open() { const char *authorized[] = { PROCFS_SYS_NET "ipv4/ip_forward", PROCFS_SYS_NET "ipv6/conf/all/forwarding", "/proc/net/bonding/[^.][^/]*", "/proc/self/net/bonding/[^.][^/]*", #ifdef ENABLE_OLDIES SYSFS_CLASS_NET "[^.][^/]*/brforward", SYSFS_CLASS_NET "[^.][^/]*/brport", SYSFS_CLASS_NET "[^.][^/]*/brif/[^.][^/]*/port_no", #endif SYSFS_CLASS_DMI "product_version", SYSFS_CLASS_DMI "product_serial", SYSFS_CLASS_DMI "product_name", SYSFS_CLASS_DMI "bios_version", SYSFS_CLASS_DMI "sys_vendor", SYSFS_CLASS_DMI "chassis_asset_tag", NULL }; const char **f; char *file; int fd, len, rc; regex_t preg; must_read(PRIV_PRIVILEGED, &len, sizeof(len)); if (len < 0 || len > PATH_MAX) fatalx("privsep", "too large value requested"); if ((file = (char *)malloc(len + 1)) == NULL) fatal("privsep", NULL); must_read(PRIV_PRIVILEGED, file, len); file[len] = '\0'; for (f = authorized; *f != NULL; f++) { if (regcomp(&preg, *f, REG_NOSUB) != 0) /* Should not happen */ fatal("privsep", "unable to compile a regex"); if (regexec(&preg, file, 0, NULL, 0) == 0) { regfree(&preg); break; } regfree(&preg); } if (*f == NULL) { log_warnx("privsep", "not authorized to open %s", file); rc = -1; must_write(PRIV_PRIVILEGED, &rc, sizeof(int)); free(file); return; } if ((fd = open(file, O_RDONLY)) == -1) { rc = -1; must_write(PRIV_PRIVILEGED, &rc, sizeof(int)); free(file); return; } free(file); must_write(PRIV_PRIVILEGED, &fd, sizeof(int)); send_fd(PRIV_PRIVILEGED, fd); close(fd); } /* Quirks needed by some additional interfaces. Currently, this is limited to * disabling LLDP firmware for i40e. */ static void asroot_iface_init_quirks(int ifindex, char *name) { int s = -1; int fd = -1; /* Check driver. */ struct ethtool_drvinfo ethc = { .cmd = ETHTOOL_GDRVINFO }; struct ifreq ifr = { .ifr_data = (caddr_t)ðc }; if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1) { log_warn("privsep", "unable to open a socket"); goto end; } strlcpy(ifr.ifr_name, name, IFNAMSIZ); if (ioctl(s, SIOCETHTOOL, &ifr) != 0 || strncmp("i40e", ethc.driver, sizeof(ethc.driver))) { /* Not i40e */ goto end; } log_info("interfaces", "i40e driver detected for %s, disabling LLDP in firmware", name); /* We assume debugfs is mounted. Otherwise, we would need to check if it * is mounted, then unshare a new mount namespace, mount it, issues the * command, leave the namespace. Let's see if there is such a need. */ /* Alternative is to use ethtool (ethtool --set-priv-flags ens5f0 * disable-fw-lldp on). However, this requires a recent firmware (from * i40e_ethtool.c): * * If the driver detected FW LLDP was disabled on init, this flag could * be set, however we do not support _changing_ the flag: * - on XL710 if NPAR is enabled or FW API version < 1.7 * - on X722 with FW API version < 1.6 */ char command[] = "lldp stop"; char sysfs_path[SYSFS_PATH_MAX + 1]; if (snprintf(sysfs_path, SYSFS_PATH_MAX, "/sys/kernel/debug/i40e/%.*s/command", (int)sizeof(ethc.bus_info), ethc.bus_info) >= SYSFS_PATH_MAX) { log_warnx("interfaces", "path truncated"); goto end; } if ((fd = open(sysfs_path, O_WRONLY)) == -1) { if (errno == ENOENT) { log_info("interfaces", "%s does not exist, " "cannot disable LLDP in firmware for %s", sysfs_path, name); goto end; } log_warn("interfaces", "cannot open %s to disable LLDP in firmware for %s", sysfs_path, name); goto end; } if (write(fd, command, sizeof(command) - 1) == -1) { log_warn("interfaces", "cannot disable LLDP in firmware for %s", name); goto end; } end: if (s != -1) close(s); if (fd != -1) close(fd); } int asroot_iface_init_os(int ifindex, char *name, int *fd) { int rc; /* Open listening socket to receive/send frames */ if ((*fd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL))) < 0) { rc = errno; return rc; } struct sockaddr_ll sa = { .sll_family = AF_PACKET, .sll_ifindex = ifindex }; if (bind(*fd, (struct sockaddr *)&sa, sizeof(sa)) < 0) { rc = errno; log_warn("privsep", "unable to bind to raw socket for interface %s", name); return rc; } /* Set filter */ log_debug("privsep", "set BPF filter for %s", name); static struct sock_filter lldpd_filter_f[] = { LLDPD_FILTER_F }; struct sock_fprog prog = { .filter = lldpd_filter_f, .len = sizeof(lldpd_filter_f) / sizeof(struct sock_filter) }; if (setsockopt(*fd, SOL_SOCKET, SO_ATTACH_FILTER, &prog, sizeof(prog)) < 0) { rc = errno; log_warn("privsep", "unable to change filter for %s", name); return rc; } /* Set priority to TC_PRIO_CONTROL for ice Intel cards. See #444. */ int prio = TC_PRIO_CONTROL; if (setsockopt(*fd, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)) < 0) { rc = errno; log_warn("privsep", "unable to set priority \"control\" to socket for interface %s", name); return rc; } #ifdef SO_LOCK_FILTER int lock = 1; if (setsockopt(*fd, SOL_SOCKET, SO_LOCK_FILTER, &lock, sizeof(lock)) < 0) { if (errno != ENOPROTOOPT) { rc = errno; log_warn("privsep", "unable to lock filter for %s", name); return rc; } } #endif #ifdef PACKET_IGNORE_OUTGOING int ignore = 1; if (setsockopt(*fd, SOL_PACKET, PACKET_IGNORE_OUTGOING, &ignore, sizeof(ignore)) < 0) { if (errno != ENOPROTOOPT) { rc = errno; log_warn("privsep", "unable to set packet direction for BPF filter on %s", name); return rc; } } #endif asroot_iface_init_quirks(ifindex, name); return 0; } int asroot_iface_description_os(const char *name, const char *description) { /* We could use netlink but this is a lot to do in a privileged * process. Just write to /sys/class/net/XXXX/ifalias. */ char *file; char descr[IFALIASZ]; FILE *fp; int rc; if (name[0] == '\0' || name[0] == '.') { log_warnx("privsep", "odd interface name %s", name); return -1; } if (asprintf(&file, SYSFS_CLASS_NET "%s/ifalias", name) == -1) { log_warn("privsep", "unable to allocate memory for setting description"); return -1; } if ((fp = fopen(file, "r+")) == NULL) { rc = errno; log_debug("privsep", "cannot open interface description for %s: %s", name, strerror(errno)); free(file); return rc; } free(file); if (strlen(description) == 0 && fgets(descr, sizeof(descr), fp) != NULL) { if (strncmp(descr, "lldpd: ", 7) == 0) { if (strncmp(descr + 7, "was ", 4) == 0) { /* Already has an old neighbor */ fclose(fp); return 0; } else { /* Append was */ memmove(descr + 11, descr + 7, sizeof(descr) - 11); memcpy(descr, "lldpd: was ", 11); } } else { /* No description, no neighbor */ strlcpy(descr, "lldpd: no neighbor", sizeof(descr)); } } else snprintf(descr, sizeof(descr), "lldpd: connected to %s", description); if (fputs(descr, fp) == EOF) { log_debug("privsep", "cannot set interface description for %s", name); fclose(fp); return -1; } fclose(fp); return 0; } int asroot_iface_promisc_os(const char *name) { int s, rc; if ((s = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL))) < 0) { rc = errno; log_warn("privsep", "unable to open raw socket"); return rc; } struct ifreq ifr = {}; strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); if (ioctl(s, SIOCGIFFLAGS, &ifr) == -1) { rc = errno; log_warn("privsep", "unable to get interface flags for %s", name); close(s); return rc; } if (ifr.ifr_flags & IFF_PROMISC) { close(s); return 0; } ifr.ifr_flags |= IFF_PROMISC; if (ioctl(s, SIOCSIFFLAGS, &ifr) == -1) { rc = errno; log_warn("privsep", "unable to set promisc mode for %s", name); close(s); return rc; } log_info("privsep", "promiscuous mode enabled for %s", name); close(s); return 0; } lldpd-1.0.18/src/daemon/pattern.c0000644000076400001440000000566614532716672016043 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #include /** * Match a list of patterns. * * @param string String to match against the list of patterns * @param patterns List of comma separated patterns. A pattern may * begin by `!` to negate it. In this case, it is * denied. A pattern may begin with `!!`. In this * case, it is allowed back. Each pattern will then be * matched against `fnmatch()` function. * @param found Value to return if the pattern isn't found. Should be either * PATTERN_MATCH_DENIED or PATTERN_MACTH_DENIED. * * If a pattern is found matching and denied at the same time, it * will be denied. If it is both allowed and denied, it * will be allowed. * * @return PATTERN_MATCH_DENIED if the string matches a denied pattern which is not * allowed or if the pattern wasn't found and `found` was set to * PATTERN_MATCH_DENIED. Otherwise, return PATTERN_MATCH_ALLOWED unless the * interface match is exact, in this case return PATTERN_MATCH_ALLOWED_EXACT. */ enum pattern_match_result pattern_match(char *string, char *patterns, int found) { char *pattern; int denied = 0; found = found ? PATTERN_MATCH_ALLOWED : PATTERN_MATCH_DENIED; if ((patterns = strdup(patterns)) == NULL) { log_warnx("interfaces", "unable to allocate memory"); return PATTERN_MATCH_DENIED; } for (pattern = strtok(patterns, ","); pattern != NULL; pattern = strtok(NULL, ",")) { if ((pattern[0] == '!') && (pattern[1] == '!') && (fnmatch(pattern + 2, string, 0) == 0)) { /* Allowed. No need to search further. */ found = (strcmp(pattern + 2, string)) ? PATTERN_MATCH_ALLOWED : PATTERN_MATCH_ALLOWED_EXACT; break; } if ((pattern[0] == '!') && (fnmatch(pattern + 1, string, 0) == 0)) { denied = 1; found = PATTERN_MATCH_DENIED; } else if (!denied && fnmatch(pattern, string, 0) == 0) { if (!strcmp(pattern, string)) { found = PATTERN_MATCH_ALLOWED_EXACT; } else if (found < 2) { found = PATTERN_MATCH_ALLOWED; } } } free(patterns); return found; } lldpd-1.0.18/src/daemon/usr.sbin.lldpd.in0000644000076400001440000000276014111362571017367 0ustar00bernatusers#include @sbindir@/lldpd { #include #include capability chown, capability dac_override, capability fowner, capability fsetid, capability kill, capability net_admin, capability net_raw, capability setgid, capability setuid, capability sys_chroot, capability sys_module, # Need to receive/send raw packets network packet raw, @sbindir@/lldpd mr, /run/systemd/notify w, # Ability to run lldpcli for self-configuration @sbindir@/lldpcli rix, @sysconfdir@/lldpd.d/ r, @sysconfdir@/lldpd.d/* r, @sysconfdir@/lldpd.conf r, # PID file and socket @LLDPD_PID_FILE@ rw, @LLDPD_CTL_SOCKET@ rw, # Chroot setup @PRIVSEP_CHROOT@ w, @PRIVSEP_CHROOT@/etc/ rw, @PRIVSEP_CHROOT@/etc/localtime rw, # Gather system description /etc/os-release r, /usr/lib/os-release r, /usr/bin/lsb_release Cxr -> lsb_release, profile lsb_release { #include #include /usr/bin/lsb_release r, /bin/dash ixr, /usr/bin/dpkg-query ixr, /usr/include/python2.[4567]/pyconfig.h r, /etc/lsb-release r, /etc/debian_version r, /var/lib/dpkg/** r, /usr/local/lib/python3.[0-5]/dist-packages/ r, /usr/bin/ r, /usr/bin/python3.[0-5] r, } # Gather network information @{PROC}/sys/net/ipv4/ip_forward r, @{PROC}/net/bonding/* r, @{PROC}/self/net/bonding/* r, /sys/devices/virtual/dmi/** r, /sys/devices/pci**/net/*/ifalias r, } lldpd-1.0.18/src/daemon/agent_priv.c0000644000076400001440000001547014532716672016516 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* Some of the code here (agent_priv_unix_*) has been adapted from code from * Net-SNMP project (snmplib/snmpUnixDomain.c). Net-SNMP project is licensed * using BSD and BSD-like licenses. I don't know the exact license of the file * snmplib/snmpUnixDomain.c. */ #include "lldpd.h" #include #include #include #ifdef ENABLE_PRIVSEP # include # include # include # include # include # ifdef ASN_PRIV_STOP /* NetSNMP 5.8+ */ # define F_SEND_SIGNATURE \ netsnmp_transport *t, const void *buf, int size, void **opaque, int *olength # define F_FMTADDR_SIGNATURE netsnmp_transport *t, const void *data, int len # define F_FROM_OSTRING_SIGNATURE const void *o, size_t o_len, int local # else # define F_SEND_SIGNATURE \ netsnmp_transport *t, void *buf, int size, void **opaque, int *olength # define F_FMTADDR_SIGNATURE netsnmp_transport *t, void *data, int len # define F_FROM_OSTRING_SIGNATURE const u_char *o, size_t o_len, int local # endif static oid netsnmp_unix[] = { TRANSPORT_DOMAIN_LOCAL }; static netsnmp_tdomain unixDomain; static char * agent_priv_unix_fmtaddr(F_FMTADDR_SIGNATURE) { /* We don't bother to implement the full function */ return strdup("Local Unix socket with privilege separation: unknown"); } static int agent_priv_unix_recv(netsnmp_transport *t, void *buf, int size, void **opaque, int *olength) { int rc = -1; socklen_t tolen = sizeof(struct sockaddr_un); struct sockaddr *to = NULL; if (t == NULL || t->sock < 0) goto recv_error; to = (struct sockaddr *)calloc(1, sizeof(struct sockaddr_un)); if (to == NULL) goto recv_error; if (getsockname(t->sock, to, &tolen) != 0) goto recv_error; while (rc < 0) { rc = recv(t->sock, buf, size, 0); /* TODO: handle the (unlikely) case where we get EAGAIN or EWOULDBLOCK */ if (rc < 0 && errno != EINTR) { log_warn("snmp", "unable to receive from fd %d", t->sock); goto recv_error; } } *opaque = (void *)to; *olength = sizeof(struct sockaddr_un); return rc; recv_error: free(to); *opaque = NULL; *olength = 0; return -1; } # define AGENT_WRITE_TIMEOUT 2000 static int agent_priv_unix_send(F_SEND_SIGNATURE) { int rc = -1; if (t != NULL && t->sock >= 0) { struct pollfd sagentx = { .fd = t->sock, .events = POLLOUT | POLLERR | POLLHUP }; while (rc < 0) { rc = poll(&sagentx, 1, AGENT_WRITE_TIMEOUT); if (rc == 0) { log_warnx("snmp", "timeout while communicating with the master agent"); rc = -1; break; } if (rc > 0) { /* We can either write or have an error somewhere */ rc = send(t->sock, buf, size, 0); if (rc < 0) { if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINTR) /* Let's retry */ continue; log_warn("snmp", "error while sending to master agent"); break; } } else { if (errno != EINTR) { log_warn("snmp", "error while attempting to send to master agent"); break; } continue; } } } return rc; } static int agent_priv_unix_close(netsnmp_transport *t) { int rc = 0; if (t->sock >= 0) { rc = close(t->sock); t->sock = -1; return rc; } return -1; } static int agent_priv_unix_accept(netsnmp_transport *t) { log_warnx("snmp", "should not have been called"); return -1; } static netsnmp_transport * agent_priv_unix_transport(const char *string, int len, int local) { struct sockaddr_un addr = { .sun_family = AF_UNIX }; netsnmp_transport *t = NULL; if (local) { log_warnx("snmp", "should not have been called for local transport"); return NULL; } if (!string) return NULL; if (len >= sizeof(addr.sun_path) || strlcpy(addr.sun_path, string, sizeof(addr.sun_path)) >= sizeof(addr.sun_path)) { log_warnx("snmp", "path too long for Unix domain transport"); return NULL; } if ((t = (netsnmp_transport *)calloc(1, sizeof(netsnmp_transport))) == NULL) return NULL; t->domain = netsnmp_unix; t->domain_length = sizeof(netsnmp_unix) / sizeof(netsnmp_unix[0]); if ((t->sock = priv_snmp_socket(&addr)) < 0) { netsnmp_transport_free(t); return NULL; } t->flags = NETSNMP_TRANSPORT_FLAG_STREAM; if ((t->remote = (u_char *)calloc(1, strlen(addr.sun_path) + 1)) == NULL) { agent_priv_unix_close(t); netsnmp_transport_free(t); return NULL; } memcpy(t->remote, addr.sun_path, strlen(addr.sun_path)); t->remote_length = strlen(addr.sun_path); t->msgMaxSize = 0x7fffffff; t->f_recv = agent_priv_unix_recv; t->f_send = agent_priv_unix_send; t->f_close = agent_priv_unix_close; t->f_accept = agent_priv_unix_accept; t->f_fmtaddr = agent_priv_unix_fmtaddr; return t; } # if HAVE_NETSNMP_TDOMAIN_F_CREATE_FROM_TSTRING_NEW static netsnmp_transport * agent_priv_unix_create_tstring_new(const char *string, int local, const char *default_target) { if ((!string || *string == '\0') && default_target && *default_target != '\0') { string = default_target; } if (!string) return NULL; return agent_priv_unix_transport(string, strlen(string), local); } # else static netsnmp_transport * agent_priv_unix_create_tstring(const char *string, int local) { if (!string) return NULL; return agent_priv_unix_transport(string, strlen(string), local); } # endif static netsnmp_transport * agent_priv_unix_create_ostring(F_FROM_OSTRING_SIGNATURE) { return agent_priv_unix_transport((char *)o, o_len, local); } void agent_priv_register_domain() { unixDomain.name = netsnmp_unix; unixDomain.name_length = sizeof(netsnmp_unix) / sizeof(oid); unixDomain.prefix = (const char **)calloc(2, sizeof(char *)); unixDomain.prefix[0] = "unix"; # if HAVE_NETSNMP_TDOMAIN_F_CREATE_FROM_TSTRING_NEW unixDomain.f_create_from_tstring_new = agent_priv_unix_create_tstring_new; # else unixDomain.f_create_from_tstring = agent_priv_unix_create_tstring; # endif unixDomain.f_create_from_ostring = agent_priv_unix_create_ostring; netsnmp_tdomain_register(&unixDomain); } #endif lldpd-1.0.18/src/daemon/lldpd.h0000644000076400001440000003425314532716672015464 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _LLDPD_H #define _LLDPD_H #if HAVE_CONFIG_H # include #endif #ifdef HAVE_VALGRIND_VALGRIND_H # include #else # define RUNNING_ON_VALGRIND 0 #endif #include #include #include #include #include #include #include #include #include #include #include "lldp-tlv.h" #if defined ENABLE_CDP || defined ENABLE_FDP # include "protocols/cdp.h" #endif #ifdef ENABLE_SONMP # include "protocols/sonmp.h" #endif #ifdef ENABLE_EDP # include "protocols/edp.h" #endif #include "../compat/compat.h" #include "../marshal.h" #include "../log.h" #include "../ctl.h" #include "../lldpd-structs.h" /* We don't want to import event2/event.h. We only need those as opaque structs. */ struct event; struct event_base; #define PROCFS_SYS_NET "/proc/sys/net/" #define SYSFS_CLASS_NET "/sys/class/net/" #define SYSFS_CLASS_DMI "/sys/class/dmi/id/" #define LLDPD_TX_INTERVAL 30 #define LLDPD_TX_HOLD 4 #define LLDPD_TTL LLDPD_TX_INTERVAL *LLDPD_TX_HOLD #define LLDPD_TX_MSGDELAY 1 #define LLDPD_MAX_NEIGHBORS 32 #define LLDPD_FAST_TX_INTERVAL 1 #define LLDPD_FAST_INIT 4 #define USING_AGENTX_SUBAGENT_MODULE 1 #define PROTO_SEND_SIG struct lldpd *, struct lldpd_hardware * #define PROTO_DECODE_SIG \ struct lldpd *, char *, int, struct lldpd_hardware *, struct lldpd_chassis **, \ struct lldpd_port ** #define PROTO_GUESS_SIG char *, int #define ALIGNED_CAST(TYPE, ATTR) ((TYPE)(void *)(ATTR)) struct protocol { int mode; /* > 0 mode identifier (unique per protocol) */ int enabled; /* Is this protocol enabled? */ const char *name; /* Name of protocol */ char arg; /* Argument to enable this protocol */ int (*send)(PROTO_SEND_SIG); /* How to send a frame */ int (*decode)(PROTO_DECODE_SIG); /* How to decode a frame */ int (*guess)(PROTO_GUESS_SIG); /* Can be NULL, use MAC address in this case */ u_int8_t mac[3][ETHER_ADDR_LEN]; /* Destination MAC addresses used by this protocol */ }; #define SMART_HIDDEN(port) (port->p_hidden_in) struct lldpd; /* lldpd.c */ struct lldpd_hardware *lldpd_get_hardware(struct lldpd *, char *, int); struct lldpd_hardware *lldpd_alloc_hardware(struct lldpd *, char *, int); void lldpd_hardware_cleanup(struct lldpd *, struct lldpd_hardware *); struct lldpd_mgmt *lldpd_alloc_mgmt(int family, void *addr, size_t addrsize, u_int32_t iface); void lldpd_recv(struct lldpd *, struct lldpd_hardware *, int); void lldpd_send(struct lldpd_hardware *); void lldpd_loop(struct lldpd *); int lldpd_main(int, char **, char **); void lldpd_update_localports(struct lldpd *); void lldpd_update_localchassis(struct lldpd *); void lldpd_cleanup(struct lldpd *); /* frame.c */ u_int16_t frame_checksum(const u_int8_t *, int, int); /* event.c */ void levent_loop(struct lldpd *); void levent_shutdown(struct lldpd *); void levent_hardware_init(struct lldpd_hardware *); void levent_hardware_add_fd(struct lldpd_hardware *, int); void levent_hardware_release(struct lldpd_hardware *); void levent_ctl_notify(char *, int, struct lldpd_port *); void levent_send_now(struct lldpd *); void levent_update_now(struct lldpd *); int levent_iface_subscribe(struct lldpd *, int); void levent_schedule_pdu(struct lldpd_hardware *); void levent_schedule_cleanup(struct lldpd *); int levent_make_socket_nonblocking(int); int levent_make_socket_blocking(int); #ifdef HOST_OS_LINUX void levent_recv_error(int, const char *); #endif /* lldp.c */ int lldp_send_shutdown(PROTO_SEND_SIG); int lldp_send(PROTO_SEND_SIG); int lldp_decode(PROTO_DECODE_SIG); /* cdp.c */ #ifdef ENABLE_CDP int cdpv1_send(PROTO_SEND_SIG); int cdpv2_send(PROTO_SEND_SIG); int cdpv1_guess(PROTO_GUESS_SIG); int cdpv2_guess(PROTO_GUESS_SIG); #endif #if defined ENABLE_CDP || defined ENABLE_FDP int cdp_decode(PROTO_DECODE_SIG); #endif #ifdef ENABLE_FDP int fdp_send(PROTO_SEND_SIG); #endif #ifdef ENABLE_SONMP /* sonmp.c */ int sonmp_send(PROTO_SEND_SIG); int sonmp_decode(PROTO_DECODE_SIG); #endif #ifdef ENABLE_EDP /* edp.c */ int edp_send(PROTO_SEND_SIG); int edp_decode(PROTO_DECODE_SIG); #endif /* dmi.c */ #ifdef ENABLE_LLDPMED char *dmi_hw(void); char *dmi_fw(void); char *dmi_sn(void); char *dmi_manuf(void); char *dmi_model(void); char *dmi_asset(void); #endif #ifdef USE_SNMP /* agent.c */ void agent_shutdown(void); void agent_init(struct lldpd *, const char *); void agent_notify(struct lldpd_hardware *, int, struct lldpd_port *); #endif #ifdef ENABLE_PRIVSEP /* agent_priv.c */ void agent_priv_register_domain(void); #endif /* client.c */ int client_handle_client(struct lldpd *cfg, ssize_t (*send)(void *, int, void *, size_t), void *, enum hmsg_type type, void *buffer, size_t n, int *); /* priv.c */ #ifdef ENABLE_PRIVSEP void priv_init(const char *, int, uid_t, gid_t); #else void priv_init(void); #endif void priv_wait(void); void priv_ctl_cleanup(const char *ctlname); char *priv_gethostname(void); #ifdef HOST_OS_LINUX int priv_open(const char *); void asroot_open(void); #endif int priv_iface_init(int, char *); int asroot_iface_init_os(int, char *, int *); int priv_iface_multicast(const char *, const u_int8_t *, int); int priv_iface_description(const char *, const char *); int asroot_iface_description_os(const char *, const char *); int priv_iface_promisc(const char *); int asroot_iface_promisc_os(const char *); int priv_snmp_socket(struct sockaddr_un *); enum priv_cmd { PRIV_PING, PRIV_DELETE_CTL_SOCKET, PRIV_GET_HOSTNAME, PRIV_OPEN, PRIV_IFACE_INIT, PRIV_IFACE_MULTICAST, PRIV_IFACE_DESCRIPTION, PRIV_IFACE_PROMISC, PRIV_SNMP_SOCKET, }; /* priv-seccomp.c */ #if defined USE_SECCOMP && defined ENABLE_PRIVSEP int priv_seccomp_init(int, int); #endif /* privsep_io.c */ enum priv_context { PRIV_PRIVILEGED, PRIV_UNPRIVILEGED }; int may_read(enum priv_context, void *, size_t); void must_read(enum priv_context, void *, size_t); void must_write(enum priv_context, const void *, size_t); void priv_privileged_fd(int); void priv_unprivileged_fd(int); int priv_fd(enum priv_context); int receive_fd(enum priv_context); void send_fd(enum priv_context, int); /* interfaces-*.c */ /* BPF filter to get revelant information from interfaces */ /* LLDP: "ether proto 0x88cc and ether dst 01:80:c2:00:00:0e" */ /* FDP: "ether dst 01:e0:52:cc:cc:cc" */ /* CDP: "ether dst 01:00:0c:cc:cc:cc" */ /* SONMP: "ether dst 01:00:81:00:01:00" */ /* EDP: "ether dst 00:e0:2b:00:00:00" */ /* For optimization purpose, we first check if the first bit of the first byte is 1. if not, this can only be an EDP packet: tcpdump -dd "(ether[0] & 1 = 1 and ((ether proto 0x88cc and (ether dst 01:80:c2:00:00:0e or ether dst 01:80:c2:00:00:03 or ether dst 01:80:c2:00:00:00)) or (ether dst 01:e0:52:cc:cc:cc) or (ether dst 01:00:0c:cc:cc:cc) or (ether dst 01:00:81:00:01:00))) or (ether dst 00:e0:2b:00:00:00)" */ #ifndef ETH_P_LLDP # define ETH_P_LLDP 0x88cc #endif #define LLDPD_FILTER_F \ { 0x30, 0, 0, 0x00000000 }, { 0x54, 0, 0, 0x00000001 }, { 0x15, 0, 16, 0x00000001 }, \ { 0x28, 0, 0, 0x0000000c }, { 0x15, 0, 6, ETH_P_LLDP }, \ { 0x20, 0, 0, 0x00000002 }, { 0x15, 2, 0, 0xc200000e }, \ { 0x15, 1, 0, 0xc2000003 }, { 0x15, 0, 2, 0xc2000000 }, \ { 0x28, 0, 0, 0x00000000 }, { 0x15, 12, 13, 0x00000180 }, \ { 0x20, 0, 0, 0x00000002 }, { 0x15, 0, 2, 0x52cccccc }, \ { 0x28, 0, 0, 0x00000000 }, { 0x15, 8, 9, 0x000001e0 }, \ { 0x15, 1, 0, 0x0ccccccc }, { 0x15, 0, 2, 0x81000100 }, \ { 0x28, 0, 0, 0x00000000 }, { 0x15, 4, 5, 0x00000100 }, \ { 0x20, 0, 0, 0x00000002 }, { 0x15, 0, 3, 0x2b000000 }, \ { 0x28, 0, 0, 0x00000000 }, { 0x15, 0, 1, 0x000000e0 }, \ { 0x6, 0, 0, 0x00040000 }, \ { \ 0x6, 0, 0, 0x00000000 \ } /* This function is responsible to refresh information about interfaces. It is * OS specific but should be present for each OS. It can use the functions in * `interfaces.c` as helper by providing a list of OS-independent interface * devices. */ void interfaces_update(struct lldpd *); /* interfaces.c */ /* An interface cannot be both physical and (bridge or bond or vlan) */ #define IFACE_PHYSICAL_T (1 << 0) /* Physical interface */ #define IFACE_BRIDGE_T (1 << 1) /* Bridge interface */ #define IFACE_BOND_T (1 << 2) /* Bond interface */ #define IFACE_VLAN_T (1 << 3) /* VLAN interface */ #define IFACE_WIRELESS_T (1 << 4) /* Wireless interface */ #define IFACE_BRIDGE_VLAN_T (1 << 5) /* Bridge-aware VLAN interface */ #define MAX_VLAN 4096 #define VLAN_BITMAP_LEN (MAX_VLAN / 32) struct interfaces_device { TAILQ_ENTRY(interfaces_device) next; int ignore; /* Ignore this interface */ int index; /* Index */ char *name; /* Name */ char *alias; /* Alias */ char *address; /* MAC address */ char *driver; /* Driver */ int flags; /* Flags (IFF_*) */ int mtu; /* MTU */ int type; /* Type (see IFACE_*_T) */ uint32_t vlan_bmap[VLAN_BITMAP_LEN]; /* If a VLAN, what are the VLAN ID? */ int pvid; /* If a VLAN, what is the default VLAN? */ struct interfaces_device *lower; /* Lower interface (for a VLAN for example) */ struct interfaces_device *upper; /* Upper interface (for a bridge or a bond) */ /* The following are OS specific. Should be static (no free function) */ #ifdef HOST_OS_LINUX int lower_idx; /* Index to lower interface */ int upper_idx; /* Index to upper interface */ #endif }; struct interfaces_address { TAILQ_ENTRY(interfaces_address) next; int index; /* Index */ int flags; /* Flags */ struct sockaddr_storage address; /* Address */ /* The following are OS specific. */ /* Nothing yet. */ }; TAILQ_HEAD(interfaces_device_list, interfaces_device); TAILQ_HEAD(interfaces_address_list, interfaces_address); void interfaces_free_device(struct interfaces_device *); void interfaces_free_address(struct interfaces_address *); void interfaces_free_devices(struct interfaces_device_list *); void interfaces_free_addresses(struct interfaces_address_list *); struct interfaces_device *interfaces_indextointerface(struct interfaces_device_list *, int); struct interfaces_device *interfaces_nametointerface(struct interfaces_device_list *, const char *); void interfaces_helper_promisc(struct lldpd *, struct lldpd_hardware *); void interfaces_helper_allowlist(struct lldpd *, struct interfaces_device_list *); void interfaces_helper_chassis(struct lldpd *, struct interfaces_device_list *); void interfaces_helper_add_hardware(struct lldpd *, struct lldpd_hardware *); void interfaces_helper_physical(struct lldpd *, struct interfaces_device_list *, struct lldpd_ops *, int (*init)(struct lldpd *, struct lldpd_hardware *)); void interfaces_helper_port_name_desc(struct lldpd *, struct lldpd_hardware *, struct interfaces_device *); void interfaces_helper_mgmt(struct lldpd *, struct interfaces_address_list *, struct interfaces_device_list *); #ifdef ENABLE_DOT1 void interfaces_helper_vlan(struct lldpd *, struct interfaces_device_list *); #endif int interfaces_send_helper(struct lldpd *, struct lldpd_hardware *, char *, size_t); void interfaces_setup_multicast(struct lldpd *, const char *, int); int interfaces_routing_enabled(struct lldpd *); void interfaces_cleanup(struct lldpd *); #ifdef HOST_OS_LINUX /* netlink.c */ struct interfaces_device_list *netlink_get_interfaces(struct lldpd *); struct interfaces_address_list *netlink_get_addresses(struct lldpd *); void netlink_cleanup(struct lldpd *); struct lldpd_netlink; #endif #ifndef HOST_OS_LINUX /* interfaces-bpf.c */ int ifbpf_phys_init(struct lldpd *, struct lldpd_hardware *); #endif /* pattern.c */ enum pattern_match_result { PATTERN_MATCH_DENIED, PATTERN_MATCH_ALLOWED, PATTERN_MATCH_ALLOWED_EXACT }; enum pattern_match_result pattern_match(char *, char *, int); /* bitmap.c */ void bitmap_set(uint32_t *bmap, uint16_t vlan_id); int bitmap_isempty(uint32_t *bmap); unsigned int bitmap_numbits(uint32_t *bmap); struct lldpd { int g_sock; struct event_base *g_base; #ifdef USE_SNMP #endif struct lldpd_config g_config; struct protocol *g_protocols; int g_lastrid; struct event *g_main_loop; struct event *g_cleanup_timer; #ifdef USE_SNMP int g_snmp; struct event *g_snmp_timeout; void *g_snmp_fds; const char *g_snmp_agentx; #endif /* USE_SNMP */ /* Unix socket handling */ const char *g_ctlname; int g_ctl; struct event *g_iface_event; /* Triggered when there is an interface change */ struct event *g_iface_timer_event; /* Triggered one second after last interface change */ void (*g_iface_cb)( struct lldpd *); /* Called when there is an interface change */ char *g_lsb_release; #ifdef HOST_OS_LINUX struct lldpd_netlink *g_netlink; #endif struct lldpd_port *g_default_local_port; #define LOCAL_CHASSIS(cfg) ((struct lldpd_chassis *)(TAILQ_FIRST(&cfg->g_chassis))) TAILQ_HEAD(, lldpd_chassis) g_chassis; TAILQ_HEAD(, lldpd_hardware) g_hardware; }; #endif /* _LLDPD_H */ lldpd-1.0.18/src/daemon/dmi-dummy.c0000644000076400001440000000212614532716672016254 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #ifdef ENABLE_LLDPMED char * dmi_hw() { return NULL; } char * dmi_fw() { return NULL; } char * dmi_sn() { return NULL; } char * dmi_manuf() { return NULL; } char * dmi_model() { return NULL; } char * dmi_asset() { return NULL; } #endif lldpd-1.0.18/src/daemon/priv-bsd.c0000644000076400001440000001276614532716672016113 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #include #include #include #include #include #include #include int asroot_iface_init_os(int ifindex, char *name, int *fd) { int enable, required, rc; struct bpf_insn filter[] = { LLDPD_FILTER_F }; struct ifreq ifr = { .ifr_name = {} }; struct bpf_program fprog = { .bf_insns = filter, .bf_len = sizeof(filter) / sizeof(struct bpf_insn) }; #ifndef HOST_OS_SOLARIS int n = 0; char dev[20]; do { snprintf(dev, sizeof(dev), "/dev/bpf%d", n++); *fd = open(dev, O_RDWR); } while (*fd < 0 && errno == EBUSY); #else *fd = open("/dev/bpf", O_RDWR); #endif if (*fd < 0) { rc = errno; log_warn("privsep", "unable to find a free BPF"); return rc; } /* Set buffer size */ required = ETHER_MAX_LEN + BPF_WORDALIGN(sizeof(struct bpf_hdr)); if (ioctl(*fd, BIOCSBLEN, (caddr_t)&required) < 0) { rc = errno; log_warn("privsep", "unable to set receive buffer size for BPF on %s", name); return rc; } /* Bind the interface to BPF device */ strlcpy(ifr.ifr_name, name, IFNAMSIZ); if (ioctl(*fd, BIOCSETIF, (caddr_t)&ifr) < 0) { rc = errno; log_warn("privsep", "failed to bind interface %s to BPF", name); return rc; } /* Disable buffering */ enable = 1; if (ioctl(*fd, BIOCIMMEDIATE, (caddr_t)&enable) < 0) { rc = errno; log_warn("privsep", "unable to disable buffering for %s", name); return rc; } /* Let us write the MAC address (raw packet mode) */ enable = 1; if (ioctl(*fd, BIOCSHDRCMPLT, (caddr_t)&enable) < 0) { rc = errno; log_warn("privsep", "unable to set the `header complete` flag for %s", name); return rc; } /* Don't see sent packets */ #ifdef HOST_OS_OPENBSD enable = BPF_DIRECTION_OUT; if (ioctl(*fd, BIOCSDIRFILT, (caddr_t)&enable) < 0) #else enable = 0; if (ioctl(*fd, BIOCSSEESENT, (caddr_t)&enable) < 0) #endif { rc = errno; log_warn("privsep", "unable to set packet direction for BPF filter on %s", name); return rc; } /* Install read filter */ if (ioctl(*fd, BIOCSETF, (caddr_t)&fprog) < 0) { rc = errno; log_warn("privsep", "unable to setup BPF filter for %s", name); return rc; } #ifdef BIOCSETWF /* Install write filter (optional) */ if (ioctl(*fd, BIOCSETWF, (caddr_t)&fprog) < 0) { rc = errno; log_info("privsep", "unable to setup write BPF filter for %s", name); return rc; } #endif #ifdef BIOCLOCK /* Lock interface, but first make it non blocking since we cannot do * this later */ levent_make_socket_nonblocking(*fd); if (ioctl(*fd, BIOCLOCK, (caddr_t)&enable) < 0) { rc = errno; log_info("privsep", "unable to lock BPF interface %s", name); return rc; } #endif return 0; } int asroot_iface_description_os(const char *name, const char *description) { #ifdef IFDESCRSIZE # if defined HOST_OS_FREEBSD || defined HOST_OS_OPENBSD char descr[IFDESCRSIZE]; int rc, sock = -1; # if defined HOST_OS_FREEBSD struct ifreq ifr = { .ifr_buffer = { .buffer = descr, .length = IFDESCRSIZE } }; # else struct ifreq ifr = { .ifr_data = (caddr_t)descr }; # endif strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == 1) { rc = errno; log_warnx("privsep", "unable to open inet socket"); return rc; } if (strlen(description) == 0) { /* No neighbor, try to append "was" to the current description */ if (ioctl(sock, SIOCGIFDESCR, (caddr_t)&ifr) < 0) { rc = errno; log_warnx("privsep", "unable to get description of %s", name); close(sock); return rc; } if (strncmp(descr, "lldpd: ", 7) == 0) { if (strncmp(descr + 7, "was ", 4) == 0) { /* Already has an old neighbor */ close(sock); return 0; } else { /* Append was */ memmove(descr + 11, descr + 7, sizeof(descr) - 11); memcpy(descr, "lldpd: was ", 11); } } else { /* No description, no neighbor */ strlcpy(descr, "lldpd: no neighbor", sizeof(descr)); } } else snprintf(descr, sizeof(descr), "lldpd: connected to %s", description); # if defined HOST_OS_FREEBSD ift.ifr_buffer.length = strlen(descr); # endif if (ioctl(sock, SIOCSIFDESCR, (caddr_t)&ifr) < 0) { rc = errno; log_warnx("privsep", "unable to set description of %s", name); close(sock); return rc; } close(sock); return 0; # endif #endif /* IFDESCRSIZE */ static int once = 0; if (!once) { log_warnx("privsep", "cannot set interface description for this OS"); once = 1; } return 0; } int asroot_iface_promisc_os(const char *name) { /* The promiscuous mode can be set when setting BPF (BIOCPROMISC). Unfortunately, the interface is locked down and we cannot change that without reopening a new socket. Let's do nothing for now. */ return 0; } lldpd-1.0.18/src/daemon/frame.c0000644000076400001440000000426414532716672015451 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2009 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" /** * Compute the checksum as 16-bit word. */ u_int16_t frame_checksum(const u_char *cp, int len, int cisco) { unsigned int sum = 0, v = 0; int oddbyte = 0; while ((len -= 2) >= 0) { sum += *cp++ << 8; sum += *cp++; } if ((oddbyte = len & 1) != 0) v = *cp; /* The remaining byte seems to be handled oddly by Cisco. From function * dissect_cdp() in wireshark. 2014/6/14,zhengy@yealink.com: * * CDP doesn't adhere to RFC 1071 section 2. (B). It incorrectly assumes * checksums are calculated on a big endian platform, therefore i.s.o. * padding odd sized data with a zero byte _at the end_ it sets the last * big endian _word_ to contain the last network _octet_. This byteswap * has to be done on the last octet of network data before feeding it to * the Internet checksum routine. * CDP checksumming code has a bug in the addition of this last _word_ * as a signed number into the long word intermediate checksum. When * reducing this long to word size checksum an off-by-one error can be * made. This off-by-one error is compensated for in the last _word_ of * the network data. */ if (oddbyte) { if (cisco) { if (v & 0x80) { sum += 0xff << 8; sum += v - 1; } else { sum += v; } } else { sum += v << 8; } } sum = (sum >> 16) + (sum & 0xffff); sum += sum >> 16; return (0xffff & ~sum); } lldpd-1.0.18/src/daemon/priv.c0000644000076400001440000004743014532716672015341 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* This file contains code for privilege separation. When an error arises in * monitor (which is running as root), it just stops instead of trying to * recover. This module also contains proxies to privileged operations. In this * case, error can be non fatal. */ #include "lldpd.h" #include "trace.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_LINUX_CAPABILITIES # include # include #endif #if defined HOST_OS_FREEBSD || defined HOST_OS_OSX || defined HOST_OS_DRAGONFLY # include #endif #if defined HOST_OS_SOLARIS # include #endif /* Use resolv.h */ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_NETINET_IN_H # include #endif #ifdef HAVE_ARPA_NAMESER_H # include /* DNS HEADER struct */ #endif #ifdef HAVE_NETDB_H # include #endif #ifdef HAVE_RESOLV_H # include #endif /* Bionic has res_init() but it's not in any header */ #if defined HAVE_RES_INIT && defined __BIONIC__ int res_init(void); #endif #ifdef ENABLE_PRIVSEP static int monitored = -1; /* Child */ #endif /* Proxies */ static void priv_ping() { int rc; enum priv_cmd cmd = PRIV_PING; must_write(PRIV_UNPRIVILEGED, &cmd, sizeof(enum priv_cmd)); priv_wait(); must_read(PRIV_UNPRIVILEGED, &rc, sizeof(int)); log_debug("privsep", "monitor ready"); } /* Proxy for ctl_cleanup */ void priv_ctl_cleanup(const char *ctlname) { int rc, len = strlen(ctlname); enum priv_cmd cmd = PRIV_DELETE_CTL_SOCKET; must_write(PRIV_UNPRIVILEGED, &cmd, sizeof(enum priv_cmd)); must_write(PRIV_UNPRIVILEGED, &len, sizeof(int)); must_write(PRIV_UNPRIVILEGED, ctlname, len); priv_wait(); must_read(PRIV_UNPRIVILEGED, &rc, sizeof(int)); } /* Proxy for gethostname */ char * priv_gethostname() { static char *buf = NULL; int len; enum priv_cmd cmd = PRIV_GET_HOSTNAME; must_write(PRIV_UNPRIVILEGED, &cmd, sizeof(enum priv_cmd)); priv_wait(); must_read(PRIV_UNPRIVILEGED, &len, sizeof(int)); if (len < 0 || len > 255) fatalx("privsep", "too large value requested"); if ((buf = (char *)realloc(buf, len + 1)) == NULL) fatal("privsep", NULL); must_read(PRIV_UNPRIVILEGED, buf, len); buf[len] = '\0'; return buf; } int priv_iface_init(int index, char *iface) { int rc; char dev[IFNAMSIZ] = {}; enum priv_cmd cmd = PRIV_IFACE_INIT; must_write(PRIV_UNPRIVILEGED, &cmd, sizeof(enum priv_cmd)); must_write(PRIV_UNPRIVILEGED, &index, sizeof(int)); strlcpy(dev, iface, IFNAMSIZ); must_write(PRIV_UNPRIVILEGED, dev, IFNAMSIZ); priv_wait(); must_read(PRIV_UNPRIVILEGED, &rc, sizeof(int)); if (rc != 0) return -1; return receive_fd(PRIV_UNPRIVILEGED); } int priv_iface_multicast(const char *name, const u_int8_t *mac, int add) { int rc; enum priv_cmd cmd = PRIV_IFACE_MULTICAST; must_write(PRIV_UNPRIVILEGED, &cmd, sizeof(enum priv_cmd)); must_write(PRIV_UNPRIVILEGED, name, IFNAMSIZ); must_write(PRIV_UNPRIVILEGED, mac, ETHER_ADDR_LEN); must_write(PRIV_UNPRIVILEGED, &add, sizeof(int)); priv_wait(); must_read(PRIV_UNPRIVILEGED, &rc, sizeof(int)); return rc; } int priv_iface_description(const char *name, const char *description) { int rc, len = strlen(description); enum priv_cmd cmd = PRIV_IFACE_DESCRIPTION; must_write(PRIV_UNPRIVILEGED, &cmd, sizeof(enum priv_cmd)); must_write(PRIV_UNPRIVILEGED, name, IFNAMSIZ); must_write(PRIV_UNPRIVILEGED, &len, sizeof(int)); must_write(PRIV_UNPRIVILEGED, description, len); priv_wait(); must_read(PRIV_UNPRIVILEGED, &rc, sizeof(int)); return rc; } /* Proxy to set interface in promiscuous mode */ int priv_iface_promisc(const char *ifname) { int rc; enum priv_cmd cmd = PRIV_IFACE_PROMISC; must_write(PRIV_UNPRIVILEGED, &cmd, sizeof(enum priv_cmd)); must_write(PRIV_UNPRIVILEGED, ifname, IFNAMSIZ); priv_wait(); must_read(PRIV_UNPRIVILEGED, &rc, sizeof(int)); return rc; } int priv_snmp_socket(struct sockaddr_un *addr) { int rc; enum priv_cmd cmd = PRIV_SNMP_SOCKET; must_write(PRIV_UNPRIVILEGED, &cmd, sizeof(enum priv_cmd)); must_write(PRIV_UNPRIVILEGED, addr, sizeof(struct sockaddr_un)); priv_wait(); must_read(PRIV_UNPRIVILEGED, &rc, sizeof(int)); if (rc < 0) return rc; return receive_fd(PRIV_UNPRIVILEGED); } static void asroot_ping() { int rc = 1; must_write(PRIV_PRIVILEGED, &rc, sizeof(int)); } static void asroot_ctl_cleanup() { int len; char *ctlname; int rc = 0; must_read(PRIV_PRIVILEGED, &len, sizeof(int)); if (len < 0 || len > PATH_MAX) fatalx("privsep", "too large value requested"); if ((ctlname = (char *)malloc(len + 1)) == NULL) fatal("privsep", NULL); must_read(PRIV_PRIVILEGED, ctlname, len); ctlname[len] = 0; ctl_cleanup(ctlname); free(ctlname); /* Ack */ must_write(PRIV_PRIVILEGED, &rc, sizeof(int)); } static void asroot_gethostname() { struct utsname un; struct addrinfo hints = { .ai_flags = AI_CANONNAME }; struct addrinfo *res; int len; if (uname(&un) < 0) fatal("privsep", "failed to get system information"); if (getaddrinfo(un.nodename, NULL, &hints, &res) != 0) { log_info("privsep", "unable to get system name"); #ifdef HAVE_RES_INIT res_init(); #endif len = strlen(un.nodename); must_write(PRIV_PRIVILEGED, &len, sizeof(int)); must_write(PRIV_PRIVILEGED, un.nodename, len); } else { len = strlen(res->ai_canonname); must_write(PRIV_PRIVILEGED, &len, sizeof(int)); must_write(PRIV_PRIVILEGED, res->ai_canonname, len); freeaddrinfo(res); } } static void asroot_iface_init() { int rc = -1, fd = -1; int ifindex; char name[IFNAMSIZ]; must_read(PRIV_PRIVILEGED, &ifindex, sizeof(ifindex)); must_read(PRIV_PRIVILEGED, &name, sizeof(name)); name[sizeof(name) - 1] = '\0'; TRACE(LLDPD_PRIV_INTERFACE_INIT(name)); rc = asroot_iface_init_os(ifindex, name, &fd); must_write(PRIV_PRIVILEGED, &rc, sizeof(rc)); if (rc == 0 && fd >= 0) send_fd(PRIV_PRIVILEGED, fd); if (fd >= 0) close(fd); } static void asroot_iface_multicast() { int sock = -1, add, rc = 0; struct ifreq ifr = { .ifr_name = {} }; must_read(PRIV_PRIVILEGED, ifr.ifr_name, IFNAMSIZ); #if defined HOST_OS_LINUX must_read(PRIV_PRIVILEGED, ifr.ifr_hwaddr.sa_data, ETHER_ADDR_LEN); #elif defined HOST_OS_FREEBSD || defined HOST_OS_OSX || defined HOST_OS_DRAGONFLY /* Black magic from mtest.c */ struct sockaddr_dl *dlp = ALIGNED_CAST(struct sockaddr_dl *, &ifr.ifr_addr); dlp->sdl_len = sizeof(struct sockaddr_dl); dlp->sdl_family = AF_LINK; dlp->sdl_index = 0; dlp->sdl_nlen = 0; dlp->sdl_alen = ETHER_ADDR_LEN; dlp->sdl_slen = 0; must_read(PRIV_PRIVILEGED, LLADDR(dlp), ETHER_ADDR_LEN); #elif defined HOST_OS_OPENBSD || defined HOST_OS_NETBSD || defined HOST_OS_SOLARIS struct sockaddr *sap = (struct sockaddr *)&ifr.ifr_addr; # if !defined HOST_OS_SOLARIS sap->sa_len = sizeof(struct sockaddr); # endif sap->sa_family = AF_UNSPEC; must_read(PRIV_PRIVILEGED, sap->sa_data, ETHER_ADDR_LEN); #else # error Unsupported OS #endif must_read(PRIV_PRIVILEGED, &add, sizeof(int)); if (((sock = socket(AF_INET, SOCK_DGRAM, 0)) == -1) || ((ioctl(sock, (add) ? SIOCADDMULTI : SIOCDELMULTI, &ifr) < 0) && (errno != EADDRINUSE))) rc = errno; if (sock != -1) close(sock); must_write(PRIV_PRIVILEGED, &rc, sizeof(rc)); } static void asroot_iface_description() { char name[IFNAMSIZ]; char *description; int len, rc; must_read(PRIV_PRIVILEGED, &name, sizeof(name)); name[sizeof(name) - 1] = '\0'; must_read(PRIV_PRIVILEGED, &len, sizeof(int)); if (len < 0 || len > PATH_MAX) fatalx("privsep", "too large value requested"); if ((description = (char *)malloc(len + 1)) == NULL) fatal("privsep", NULL); must_read(PRIV_PRIVILEGED, description, len); description[len] = 0; TRACE(LLDPD_PRIV_INTERFACE_DESCRIPTION(name, description)); rc = asroot_iface_description_os(name, description); must_write(PRIV_PRIVILEGED, &rc, sizeof(rc)); free(description); } static void asroot_iface_promisc() { char name[IFNAMSIZ]; int rc; must_read(PRIV_PRIVILEGED, &name, sizeof(name)); name[sizeof(name) - 1] = '\0'; rc = asroot_iface_promisc_os(name); must_write(PRIV_PRIVILEGED, &rc, sizeof(rc)); } static void asroot_snmp_socket() { int sock, rc; static struct sockaddr_un *addr = NULL; struct sockaddr_un bogus; if (!addr) { addr = (struct sockaddr_un *)malloc(sizeof(struct sockaddr_un)); if (!addr) fatal("privsep", NULL); must_read(PRIV_PRIVILEGED, addr, sizeof(struct sockaddr_un)); } else /* We have already been asked to connect to a socket. We will * connect to the same socket. */ must_read(PRIV_PRIVILEGED, &bogus, sizeof(struct sockaddr_un)); if (addr->sun_family != AF_UNIX) fatal("privsep", "someone is trying to trick me"); addr->sun_path[sizeof(addr->sun_path) - 1] = '\0'; if ((sock = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) { log_warn("privsep", "cannot open socket"); must_write(PRIV_PRIVILEGED, &sock, sizeof(int)); return; } if ((rc = connect(sock, (struct sockaddr *)addr, sizeof(struct sockaddr_un))) != 0) { log_info("privsep", "cannot connect to %s: %s", addr->sun_path, strerror(errno)); close(sock); rc = -1; must_write(PRIV_PRIVILEGED, &rc, sizeof(int)); return; } int flags; if ((flags = fcntl(sock, F_GETFL, NULL)) < 0 || fcntl(sock, F_SETFL, flags | O_NONBLOCK) < 0) { log_warn("privsep", "cannot set sock %s to non-block : %s", addr->sun_path, strerror(errno)); close(sock); rc = -1; must_write(PRIV_PRIVILEGED, &rc, sizeof(int)); return; } must_write(PRIV_PRIVILEGED, &rc, sizeof(int)); send_fd(PRIV_PRIVILEGED, sock); close(sock); } struct dispatch_actions { enum priv_cmd msg; void (*function)(void); }; static struct dispatch_actions actions[] = { { PRIV_PING, asroot_ping }, { PRIV_DELETE_CTL_SOCKET, asroot_ctl_cleanup }, { PRIV_GET_HOSTNAME, asroot_gethostname }, #ifdef HOST_OS_LINUX { PRIV_OPEN, asroot_open }, #endif { PRIV_IFACE_INIT, asroot_iface_init }, { PRIV_IFACE_MULTICAST, asroot_iface_multicast }, { PRIV_IFACE_DESCRIPTION, asroot_iface_description }, { PRIV_IFACE_PROMISC, asroot_iface_promisc }, { PRIV_SNMP_SOCKET, asroot_snmp_socket }, { -1, NULL } }; /* Main loop, run as root */ static void priv_loop(int privileged, int once) { enum priv_cmd cmd; struct dispatch_actions *a; #ifdef ENABLE_PRIVSEP setproctitle("monitor."); # ifdef USE_SECCOMP if (priv_seccomp_init(privileged, monitored) != 0) fatal("privsep", "cannot continue without seccomp setup"); # endif #endif while (!may_read(PRIV_PRIVILEGED, &cmd, sizeof(enum priv_cmd))) { log_debug("privsep", "received command %d", cmd); for (a = actions; a->function != NULL; a++) { if (cmd == a->msg) { a->function(); break; } } if (a->function == NULL) fatalx("privsep", "bogus message received"); if (once) break; } } /* This function is a NOOP when privilege separation is enabled. In * the other case, it should be called when we wait an action from the * privileged side. */ void priv_wait() { #ifndef ENABLE_PRIVSEP /* We have no remote process on the other side. Let's emulate it. */ priv_loop(0, 1); #endif } #ifdef ENABLE_PRIVSEP static void priv_exit_rc_status(int rc, int status) { switch (rc) { case 0: /* kill child */ kill(monitored, SIGTERM); /* we will receive a sigchld in the future */ return; case -1: /* child doesn't exist anymore, we consider this is an error to * be here */ _exit(1); break; default: /* Monitored child has terminated */ /* Mimic the exit state of the child */ if (WIFEXITED(status)) { /* Normal exit */ _exit(WEXITSTATUS(status)); } if (WIFSIGNALED(status)) { /* Terminated with signal */ signal(WTERMSIG(status), SIG_DFL); raise(WTERMSIG(status)); _exit(1); /* We consider that not being killed is an error. */ } /* Other cases, consider this as an error. */ _exit(1); break; } } static void priv_exit() { int status; int rc; rc = waitpid(monitored, &status, WNOHANG); priv_exit_rc_status(rc, status); } /* If priv parent gets a TERM or HUP, pass it through to child instead */ static void sig_pass_to_chld(int sig) { int oerrno = errno; if (monitored != -1) kill(monitored, sig); errno = oerrno; } /* If priv parent gets a SIGCHLD, it will exit if this is the monitored * process. Other processes (including lldpcli)) are just reaped without * consequences. */ static void sig_chld(int sig) { int status; int rc = waitpid(monitored, &status, WNOHANG); if (rc == 0) { while ((rc = waitpid(-1, &status, WNOHANG)) > 0) { if (rc == monitored) priv_exit_rc_status(rc, status); } return; } priv_exit_rc_status(rc, status); } /* Create a subdirectory and check if it's here. */ static int _mkdir(const char *pathname, mode_t mode) { int save_errno; if (mkdir(pathname, mode) == 0 || errno == EEXIST) { errno = 0; return 0; } /* We can get EROFS on some platforms. Let's check if the directory exists. */ save_errno = errno; if (chdir(pathname) == -1) { errno = save_errno; return -1; } /* We should restore current directory, but in the context we are * running, we do not care. */ return 0; } /* Create a directory recursively. */ static int mkdir_p(const char *pathname, mode_t mode) { char path[PATH_MAX + 1]; char *current; if (strlcpy(path, pathname, sizeof(path)) >= sizeof(path)) { errno = ENAMETOOLONG; return -1; } /* Use strtok which will provides non-empty tokens only. */ for (current = path + 1; *current; current++) { if (*current != '/') continue; *current = '\0'; if (_mkdir(path, mode) != 0) return -1; *current = '/'; } if (_mkdir(path, mode) != 0) return -1; return 0; } /* Initialization */ # define LOCALTIME "/etc/localtime" static void priv_setup_chroot(const char *chrootdir) { /* Create chroot if it does not exist */ if (mkdir_p(chrootdir, 0755) == -1) { fatal("privsep", "unable to create chroot directory"); } /* Check if /etc/localtime exists in chroot or outside chroot */ char path[1024]; int source = -1, destination = -1; if (snprintf(path, sizeof(path), "%s" LOCALTIME, chrootdir) >= sizeof(path)) return; if ((source = open(LOCALTIME, O_RDONLY)) == -1) { if (errno == ENOENT) return; log_warn("privsep", "cannot read " LOCALTIME); return; } /* Prepare copy of /etc/localtime */ path[strlen(chrootdir) + 4] = '\0'; if (mkdir(path, 0755) == -1) { if (errno != EEXIST) { log_warn("privsep", "unable to create %s directory", path); close(source); return; } } path[strlen(chrootdir) + 4] = '/'; /* Do copy */ char buffer[1024]; ssize_t n; mode_t old = umask(S_IWGRP | S_IWOTH); if ((destination = open(path, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0666)) == -1) { if (errno != EEXIST) log_warn("privsep", "cannot create %s", path); close(source); umask(old); return; } umask(old); while ((n = read(source, buffer, sizeof(buffer))) > 0) { ssize_t nw, left = n; char *p = buffer; while (left > 0) { if ((nw = write(destination, p, left)) == -1) { if (errno == EINTR) continue; log_warn("privsep", "cannot write to %s", path); close(source); close(destination); unlink(path); return; } left -= nw; p += nw; } } if (n == -1) { log_warn("privsep", "cannot read " LOCALTIME); unlink(path); } else { log_info("privsep", LOCALTIME " copied to chroot"); } close(source); close(destination); } #else /* !ENABLE_PRIVSEP */ /* Reap any children. It should only be lldpcli since there is not monitored * process. */ static void sig_chld(int sig) { int status = 0; while (waitpid(-1, &status, WNOHANG) > 0) ; } #endif #ifdef ENABLE_PRIVSEP static void priv_drop(uid_t uid, gid_t gid) { gid_t gidset[1]; gidset[0] = gid; log_debug("privsep", "dropping privileges"); # ifdef HAVE_SETRESGID if (setresgid(gid, gid, gid) == -1) fatal("privsep", "setresgid() failed"); # else if (setregid(gid, gid) == -1) fatal("privsep", "setregid() failed"); # endif if (setgroups(1, gidset) == -1) fatal("privsep", "setgroups() failed"); # ifdef HAVE_SETRESUID if (setresuid(uid, uid, uid) == -1) fatal("privsep", "setresuid() failed"); # else if (setreuid(uid, uid) == -1) fatal("privsep", "setreuid() failed"); # endif } static void priv_caps(uid_t uid, gid_t gid) { # ifdef HAVE_LINUX_CAPABILITIES cap_t caps; const char *caps_strings[2] = { "cap_dac_override,cap_net_raw,cap_net_admin,cap_setuid,cap_setgid=pe", "cap_dac_override,cap_net_raw,cap_net_admin=pe" }; log_debug("privsep", "getting CAP_NET_RAW/ADMIN and CAP_DAC_OVERRIDE privilege"); if (!(caps = cap_from_text(caps_strings[0]))) fatal("privsep", "unable to convert caps"); if (cap_set_proc(caps) == -1) { log_warn("privsep", "unable to drop privileges, monitor running as root"); cap_free(caps); return; } cap_free(caps); if (prctl(PR_SET_KEEPCAPS, 1L, 0L, 0L, 0L) == -1) fatal("privsep", "cannot keep capabilities"); priv_drop(uid, gid); log_debug("privsep", "dropping extra capabilities"); if (!(caps = cap_from_text(caps_strings[1]))) fatal("privsep", "unable to convert caps"); if (cap_set_proc(caps) == -1) fatal("privsep", "unable to drop extra privileges"); cap_free(caps); # else log_info("privsep", "no libcap support, running monitor as root"); # endif } #endif void #ifdef ENABLE_PRIVSEP priv_init(const char *chrootdir, int ctl, uid_t uid, gid_t gid) #else priv_init(void) #endif { int pair[2]; /* Create socket pair */ if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pair) < 0) { fatal("privsep", "unable to create socket pair for privilege separation"); } priv_unprivileged_fd(pair[0]); priv_privileged_fd(pair[1]); #ifdef ENABLE_PRIVSEP /* Spawn off monitor */ if ((monitored = fork()) < 0) fatal("privsep", "unable to fork monitor"); switch (monitored) { case 0: /* We are in the children, drop privileges */ if (RUNNING_ON_VALGRIND) log_warnx("privsep", "running on valgrind, keep privileges"); else { priv_setup_chroot(chrootdir); if (chroot(chrootdir) == -1) fatal("privsep", "unable to chroot"); if (chdir("/") != 0) fatal("privsep", "unable to chdir"); priv_drop(uid, gid); } close(pair[1]); priv_ping(); break; default: /* We are in the monitor */ if (ctl != -1) close(ctl); close(pair[0]); if (atexit(priv_exit) != 0) fatal("privsep", "unable to set exit function"); priv_caps(uid, gid); /* Install signal handlers */ const struct sigaction pass_to_child = { .sa_handler = sig_pass_to_chld, .sa_flags = SA_RESTART }; sigaction(SIGALRM, &pass_to_child, NULL); sigaction(SIGTERM, &pass_to_child, NULL); sigaction(SIGHUP, &pass_to_child, NULL); sigaction(SIGINT, &pass_to_child, NULL); sigaction(SIGQUIT, &pass_to_child, NULL); const struct sigaction child = { .sa_handler = sig_chld, .sa_flags = SA_RESTART }; sigaction(SIGCHLD, &child, NULL); sig_chld(0); /* Reap already dead children */ priv_loop(pair[1], 0); exit(0); } #else const struct sigaction child = { .sa_handler = sig_chld, .sa_flags = SA_RESTART }; sigaction(SIGCHLD, &child, NULL); sig_chld(0); /* Reap already dead children */ log_warnx("priv", "no privilege separation available"); priv_ping(); #endif } lldpd-1.0.18/src/daemon/lldpd.sysusers.conf.in0000644000076400001440000000026014111362571020441 0ustar00bernatusers# System user and group for lldpd # @PRIVSEP_USER@:@PRIVSEP_GROUP@ # Type Name ID GECOS Home u @PRIVSEP_USER@ - "lldpd user" @PRIVSEP_CHROOT@ m @PRIVSEP_USER@ @PRIVSEP_GROUP@ lldpd-1.0.18/src/daemon/priv-seccomp.c0000644000076400001440000001733414532716672016770 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #include #include #include #include "syscall-names.h" #include #ifndef SYS_SECCOMP # define SYS_SECCOMP 1 #endif #if defined(__i386__) # define REG_SYSCALL REG_EAX # define ARCH_NR AUDIT_ARCH_I386 #elif defined(__x86_64__) # define REG_SYSCALL REG_RAX # define ARCH_NR AUDIT_ARCH_X86_64 #else # error "Platform does not support seccomp filter yet" # define REG_SYSCALL 0 # define ARCH_NR 0 #endif /* If there is no privilege separation, seccomp is currently useless */ #ifdef ENABLE_PRIVSEP static int monitored = -1; static int trapped = 0; /** * SIGSYS signal handler * @param nr the signal number * @param info siginfo_t pointer * @param void_context handler context * * Simple signal handler for SIGSYS displaying the error, killing the child and * exiting. * */ static void priv_seccomp_trap_handler(int signal, siginfo_t *info, void *vctx) { ucontext_t *ctx = (ucontext_t *)(vctx); unsigned int syscall; if (trapped) _exit(161); /* Avoid loops */ /* Get details */ if (info->si_code != SYS_SECCOMP) return; if (!ctx) _exit(161); syscall = ctx->uc_mcontext.gregs[REG_SYSCALL]; trapped = 1; /* Log them. Technically, `log_warnx()` is not signal safe, but we are * unlikely to reenter here. */ log_warnx("seccomp", "invalid syscall attempted: %s(%d)", (syscall < sizeof(syscall_names)) ? syscall_names[syscall] : "unknown", syscall); /* Kill children and exit */ kill(monitored, SIGTERM); fatalx("seccomp", "invalid syscall not allowed: stop here"); _exit(161); } /** * Install a TRAP action signal handler * * This function installs the TRAP action signal handler and is based on * examples from Will Drewry and Kees Cook. Returns zero on success, negative * values on failure. * */ static int priv_seccomp_trap_install() { struct sigaction signal_handler = {}; sigset_t signal_mask; sigemptyset(&signal_mask); sigaddset(&signal_mask, SIGSYS); signal_handler.sa_sigaction = &priv_seccomp_trap_handler; signal_handler.sa_flags = SA_SIGINFO; if (sigaction(SIGSYS, &signal_handler, NULL) < 0) return -errno; if (sigprocmask(SIG_UNBLOCK, &signal_mask, NULL)) return -errno; return 0; } /** * Initialize seccomp. * * @param remote file descriptor to talk with the unprivileged process * @param monitored monitored child * @return negative on failures or 0 if everything was setup */ int priv_seccomp_init(int remote, int child) { int rc = -1; scmp_filter_ctx ctx = NULL; log_debug("seccomp", "initialize libseccomp filter"); monitored = child; if (priv_seccomp_trap_install() < 0) { log_warn("seccomp", "unable to install SIGSYS handler"); goto failure_scmp; } if ((ctx = seccomp_init(SCMP_ACT_TRAP)) == NULL) { log_warnx("seccomp", "unable to initialize libseccomp subsystem"); goto failure_scmp; } if ((rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 1, SCMP_CMP(0, SCMP_CMP_EQ, remote))) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 1, SCMP_CMP(0, SCMP_CMP_EQ, remote))) < 0) { errno = -rc; log_warn("seccomp", "unable to allow read/write on remote socket"); goto failure_scmp; } /* We are far more generic from here. */ if ((rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 0)) < 0 || /* write needed for */ (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(open), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(openat), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(lseek), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(fcntl), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(kill), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(socket), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(bind), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(setsockopt), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(getsockname), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(uname), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(unlink), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(ioctl), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(sendmsg), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(sendmmsg), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(wait4), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(stat), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(brk), 0)) < 0 || /* brk needed for newer libc */ (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(getpid), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(rt_sigreturn), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(close), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(sendto), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(poll), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(recvmsg), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(recvfrom), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(readv), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(mprotect), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(sendmmsg), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(clock_gettime), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(gettimeofday), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(newfstatat), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(pread64), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(access), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(rt_sigprocmask), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(getsockopt), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(ppoll), 0)) < 0 || /* The following are for resolving addresses */ (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(mmap), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(munmap), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(fstat), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(connect), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(futex), 0)) < 0 || (rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(exit_group), 0)) < 0) { errno = -rc; log_warn("seccomp", "unable to build seccomp rules"); goto failure_scmp; } if ((rc = seccomp_load(ctx)) < 0) { errno = -rc; log_warn("seccomp", "unable to load libseccomp filter"); goto failure_scmp; } failure_scmp: seccomp_release(ctx); return rc; } #endif lldpd-1.0.18/src/daemon/lldpd.c0000644000076400001440000016563414532716672015467 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include "trace.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if HAVE_VFORK_H # include #endif #if HAVE_WORKING_FORK # define vfork fork #endif static void usage(void); static struct protocol protos[] = { { LLDPD_MODE_LLDP, 1, "LLDP", 'l', lldp_send, lldp_decode, NULL, { LLDP_ADDR_NEAREST_BRIDGE, LLDP_ADDR_NEAREST_NONTPMR_BRIDGE, LLDP_ADDR_NEAREST_CUSTOMER_BRIDGE } }, #ifdef ENABLE_CDP { LLDPD_MODE_CDPV1, 0, "CDPv1", 'c', cdpv1_send, cdp_decode, cdpv1_guess, { CDP_MULTICAST_ADDR } }, { LLDPD_MODE_CDPV2, 0, "CDPv2", 'c', cdpv2_send, cdp_decode, cdpv2_guess, { CDP_MULTICAST_ADDR } }, #endif #ifdef ENABLE_SONMP { LLDPD_MODE_SONMP, 0, "SONMP", 's', sonmp_send, sonmp_decode, NULL, { SONMP_MULTICAST_ADDR } }, #endif #ifdef ENABLE_EDP { LLDPD_MODE_EDP, 0, "EDP", 'e', edp_send, edp_decode, NULL, { EDP_MULTICAST_ADDR } }, #endif #ifdef ENABLE_FDP { LLDPD_MODE_FDP, 0, "FDP", 'f', fdp_send, cdp_decode, NULL, { FDP_MULTICAST_ADDR } }, #endif { 0, 0, "any", ' ', NULL, NULL, NULL, { { 0, 0, 0, 0, 0, 0 } } } }; static char **saved_argv; #ifdef HAVE___PROGNAME extern const char *__progname; #else # define __progname "lldpd" #endif static void usage(void) { fprintf(stderr, "Usage: %s [OPTIONS ...]\n", __progname); fprintf(stderr, "Version: %s\n", PACKAGE_STRING); fprintf(stderr, "\n"); fprintf(stderr, "-d Do not daemonize.\n"); fprintf(stderr, "-r Receive-only mode\n"); fprintf(stderr, "-i Disable LLDP-MED inventory TLV transmission.\n"); fprintf(stderr, "-k Disable advertising of kernel release, version, machine.\n"); fprintf(stderr, "-S descr Override the default system description.\n"); fprintf(stderr, "-P name Override the default hardware platform.\n"); fprintf(stderr, "-m IP Specify the IP management addresses of this system.\n"); fprintf(stderr, "-u file Specify the Unix-domain socket used for communication with lldpctl(8).\n"); fprintf(stderr, "-H mode Specify the behaviour when detecting multiple neighbors.\n"); fprintf(stderr, "-I iface Limit interfaces to use.\n"); fprintf(stderr, "-C iface Limit interfaces to use for computing chassis ID.\n"); fprintf(stderr, "-L path Override path for lldpcli command.\n"); fprintf(stderr, "-O file Override default configuration locations processed by lldpcli(8) at start.\n"); #ifdef ENABLE_LLDPMED fprintf(stderr, "-M class Enable emission of LLDP-MED frame. 'class' should be one of:\n"); fprintf(stderr, " 1 Generic Endpoint (Class I)\n"); fprintf(stderr, " 2 Media Endpoint (Class II)\n"); fprintf(stderr, " 3 Communication Device Endpoints (Class III)\n"); fprintf(stderr, " 4 Network Connectivity Device\n"); #endif #ifdef USE_SNMP fprintf(stderr, "-x Enable SNMP subagent.\n"); fprintf(stderr, "-X sock Specify the SNMP subagent socket.\n"); #endif fprintf(stderr, "\n"); #if defined ENABLE_CDP || defined ENABLE_EDP || defined ENABLE_FDP || \ defined ENABLE_SONMP fprintf(stderr, "Additional protocol support.\n"); # ifdef ENABLE_CDP fprintf(stderr, "-c Enable the support of CDP protocol. (Cisco)\n"); # endif # ifdef ENABLE_EDP fprintf(stderr, "-e Enable the support of EDP protocol. (Extreme)\n"); # endif # ifdef ENABLE_FDP fprintf(stderr, "-f Enable the support of FDP protocol. (Foundry)\n"); # endif # ifdef ENABLE_SONMP fprintf(stderr, "-s Enable the support of SONMP protocol. (Nortel)\n"); # endif fprintf(stderr, "\n"); #endif fprintf(stderr, "See manual page lldpd(8) for more information\n"); exit(1); } struct lldpd_hardware * lldpd_get_hardware(struct lldpd *cfg, char *name, int index) { struct lldpd_hardware *hardware; TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) { if (strcmp(hardware->h_ifname, name) == 0) { if (hardware->h_flags == 0) { if (hardware->h_ifindex != 0 && hardware->h_ifindex != index) { log_debug("interfaces", "%s changed index: from %d to %d", hardware->h_ifname, hardware->h_ifindex, index); hardware->h_ifindex_changed = 1; } hardware->h_ifindex = index; break; } if (hardware->h_ifindex == index) break; } } return hardware; } /** * Allocate the default local port. This port will be cloned each time we need a * new local port. */ static void lldpd_alloc_default_local_port(struct lldpd *cfg) { struct lldpd_port *port; if ((port = (struct lldpd_port *)calloc(1, sizeof(struct lldpd_port))) == NULL) fatal("main", NULL); #ifdef ENABLE_DOT1 TAILQ_INIT(&port->p_vlans); TAILQ_INIT(&port->p_ppvids); TAILQ_INIT(&port->p_pids); #endif #ifdef ENABLE_CUSTOM TAILQ_INIT(&port->p_custom_list); #endif cfg->g_default_local_port = port; } /** * Clone a given port. The destination needs to be already allocated. */ static int lldpd_clone_port(struct lldpd_port *destination, struct lldpd_port *source) { u_int8_t *output = NULL; ssize_t output_len; struct lldpd_port *cloned = NULL; output_len = lldpd_port_serialize(source, (void **)&output); if (output_len == -1 || lldpd_port_unserialize(output, output_len, &cloned) <= 0) { log_warnx("alloc", "unable to clone default port"); free(output); return -1; } memcpy(destination, cloned, sizeof(struct lldpd_port)); free(cloned); free(output); #ifdef ENABLE_DOT1 marshal_repair_tailq(lldpd_vlan, &destination->p_vlans, v_entries); marshal_repair_tailq(lldpd_ppvid, &destination->p_ppvids, p_entries); marshal_repair_tailq(lldpd_pi, &destination->p_pids, p_entries); #endif #ifdef ENABLE_CUSTOM marshal_repair_tailq(lldpd_custom, &destination->p_custom_list, next); #endif return 0; } struct lldpd_hardware * lldpd_alloc_hardware(struct lldpd *cfg, char *name, int index) { struct lldpd_hardware *hardware; log_debug("alloc", "allocate a new local port (%s)", name); if ((hardware = (struct lldpd_hardware *)calloc(1, sizeof(struct lldpd_hardware))) == NULL) return NULL; /* Clone default local port */ if (lldpd_clone_port(&hardware->h_lport, cfg->g_default_local_port) == -1) { log_warnx("alloc", "unable to clone default port"); free(hardware); return NULL; } hardware->h_cfg = cfg; strlcpy(hardware->h_ifname, name, sizeof(hardware->h_ifname)); hardware->h_ifindex = index; hardware->h_lport.p_chassis = LOCAL_CHASSIS(cfg); hardware->h_lport.p_chassis->c_refcount++; TAILQ_INIT(&hardware->h_rports); #ifdef ENABLE_LLDPMED if (LOCAL_CHASSIS(cfg)->c_med_cap_available) { hardware->h_lport.p_med_cap_enabled = LLDP_MED_CAP_CAP; if (!cfg->g_config.c_noinventory) hardware->h_lport.p_med_cap_enabled |= LLDP_MED_CAP_IV; } #endif levent_hardware_init(hardware); return hardware; } struct lldpd_mgmt * lldpd_alloc_mgmt(int family, void *addrptr, size_t addrsize, u_int32_t iface) { struct lldpd_mgmt *mgmt; log_debug("alloc", "allocate a new management address (family: %d)", family); if (family <= LLDPD_AF_UNSPEC || family >= LLDPD_AF_LAST) { errno = EAFNOSUPPORT; return NULL; } if (addrsize > LLDPD_MGMT_MAXADDRSIZE) { errno = EOVERFLOW; return NULL; } mgmt = calloc(1, sizeof(struct lldpd_mgmt)); if (mgmt == NULL) { errno = ENOMEM; return NULL; } mgmt->m_family = family; memcpy(&mgmt->m_addr, addrptr, addrsize); mgmt->m_addrsize = addrsize; mgmt->m_iface = iface; return mgmt; } void lldpd_hardware_cleanup(struct lldpd *cfg, struct lldpd_hardware *hardware) { log_debug("alloc", "cleanup hardware port %s", hardware->h_ifname); free(hardware->h_lport_previous); free(hardware->h_lchassis_previous_id); free(hardware->h_lport_previous_id); free(hardware->h_ifdescr_previous); lldpd_port_cleanup(&hardware->h_lport, 1); if (hardware->h_ops && hardware->h_ops->cleanup) hardware->h_ops->cleanup(cfg, hardware); levent_hardware_release(hardware); free(hardware); } static void lldpd_ifdescr_neighbors(struct lldpd *cfg) { if (!cfg->g_config.c_set_ifdescr) return; struct lldpd_hardware *hardware; TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) { struct lldpd_port *port; char *description; const char *neighbor = NULL; unsigned neighbors = 0; TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (SMART_HIDDEN(port)) continue; neighbors++; neighbor = port->p_chassis->c_name; } if (neighbors == 0) description = strdup(""); else if (neighbors == 1 && neighbor && *neighbor != '\0') { if (asprintf(&description, "%s", neighbor) == -1) { continue; } } else { if (asprintf(&description, "%d neighbor%s", neighbors, (neighbors > 1) ? "s" : "") == -1) { continue; } } if (hardware->h_ifdescr_previous == NULL || strcmp(hardware->h_ifdescr_previous, description)) { priv_iface_description(hardware->h_ifname, description); free(hardware->h_ifdescr_previous); hardware->h_ifdescr_previous = description; } else free(description); } } static void lldpd_count_neighbors(struct lldpd *cfg) { #if HAVE_SETPROCTITLE struct lldpd_chassis *chassis; const char *neighbor; unsigned neighbors = 0; TAILQ_FOREACH (chassis, &cfg->g_chassis, c_entries) { neighbors++; neighbor = chassis->c_name; } neighbors--; if (neighbors == 0) setproctitle("no neighbor."); else if (neighbors == 1 && neighbor && *neighbor != '\0') setproctitle("connected to %s.", neighbor); else setproctitle("%d neighbor%s.", neighbors, (neighbors > 1) ? "s" : ""); #endif lldpd_ifdescr_neighbors(cfg); } static void notify_clients_deletion(struct lldpd_hardware *hardware, struct lldpd_port *rport) { TRACE(LLDPD_NEIGHBOR_DELETE(hardware->h_ifname, rport->p_chassis->c_name, rport->p_descr)); levent_ctl_notify(hardware->h_ifname, NEIGHBOR_CHANGE_DELETED, rport); #ifdef USE_SNMP agent_notify(hardware, NEIGHBOR_CHANGE_DELETED, rport); #endif } static void lldpd_reset_timer(struct lldpd *cfg) { /* Reset timer for ports that have been changed. */ struct lldpd_hardware *hardware; TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) { /* We keep a flat copy of the local port to see if there is any * change. To do this, we zero out fields that are not * significant, marshal the port, then restore. */ struct lldpd_port *port = &hardware->h_lport; /* Take the current flags into account to detect a change. */ port->_p_hardware_flags = hardware->h_flags; u_int8_t *output = NULL; ssize_t output_len; char save[LLDPD_PORT_START_MARKER]; memcpy(save, port, sizeof(save)); /* coverity[sizeof_mismatch] We intentionally partially memset port */ memset(port, 0, sizeof(save)); output_len = lldpd_port_serialize(port, (void **)&output); memcpy(port, save, sizeof(save)); if (output_len == -1) { log_warnx("localchassis", "unable to serialize local port %s to check for differences", hardware->h_ifname); continue; } /* Compare with the previous value */ if (!hardware->h_ifindex_changed && hardware->h_lport_previous && output_len == hardware->h_lport_previous_len && !memcmp(output, hardware->h_lport_previous, output_len)) { log_debug("localchassis", "no change detected for port %s", hardware->h_ifname); } else { log_debug("localchassis", "change detected for port %s, resetting its timer", hardware->h_ifname); hardware->h_ifindex_changed = 0; levent_schedule_pdu(hardware); } /* Update the value */ free(hardware->h_lport_previous); hardware->h_lport_previous = output; hardware->h_lport_previous_len = output_len; } } static void lldpd_all_chassis_cleanup(struct lldpd *cfg) { struct lldpd_chassis *chassis, *chassis_next; log_debug("localchassis", "cleanup all chassis"); for (chassis = TAILQ_FIRST(&cfg->g_chassis); chassis; chassis = chassis_next) { chassis_next = TAILQ_NEXT(chassis, c_entries); if (chassis->c_refcount == 0) { TAILQ_REMOVE(&cfg->g_chassis, chassis, c_entries); lldpd_chassis_cleanup(chassis, 1); } } } void lldpd_cleanup(struct lldpd *cfg) { struct lldpd_hardware *hardware, *hardware_next; log_debug("localchassis", "cleanup all ports"); for (hardware = TAILQ_FIRST(&cfg->g_hardware); hardware != NULL; hardware = hardware_next) { hardware_next = TAILQ_NEXT(hardware, h_entries); if (!hardware->h_flags) { int m = cfg->g_config.c_perm_ifaces ? pattern_match(hardware->h_ifname, cfg->g_config.c_perm_ifaces, 0) : 0; switch (m) { case PATTERN_MATCH_DENIED: log_debug("localchassis", "delete non-permanent interface %s", hardware->h_ifname); TRACE(LLDPD_INTERFACES_DELETE(hardware->h_ifname)); TAILQ_REMOVE(&cfg->g_hardware, hardware, h_entries); lldpd_remote_cleanup(hardware, notify_clients_deletion, 1); lldpd_hardware_cleanup(cfg, hardware); break; case PATTERN_MATCH_ALLOWED: case PATTERN_MATCH_ALLOWED_EXACT: log_debug("localchassis", "do not delete %s, permanent", hardware->h_ifname); lldpd_remote_cleanup(hardware, notify_clients_deletion, 1); break; } } else { lldpd_remote_cleanup(hardware, notify_clients_deletion, !(hardware->h_flags & IFF_RUNNING)); } } levent_schedule_cleanup(cfg); lldpd_all_chassis_cleanup(cfg); lldpd_count_neighbors(cfg); } /* Update chassis `ochassis' with values from `chassis'. The later one is not expected to be part of a list! It will also be wiped from memory. */ static void lldpd_move_chassis(struct lldpd_chassis *ochassis, struct lldpd_chassis *chassis) { struct lldpd_mgmt *mgmt, *mgmt_next; /* We want to keep refcount, index and list stuff from the current * chassis */ TAILQ_ENTRY(lldpd_chassis) entries; int refcount = ochassis->c_refcount; int index = ochassis->c_index; memcpy(&entries, &ochassis->c_entries, sizeof(entries)); lldpd_chassis_cleanup(ochassis, 0); /* Make the copy. */ /* WARNING: this is a kludgy hack, we need in-place copy and cannot use * marshaling. */ memcpy(ochassis, chassis, sizeof(struct lldpd_chassis)); TAILQ_INIT(&ochassis->c_mgmt); /* Copy of management addresses */ for (mgmt = TAILQ_FIRST(&chassis->c_mgmt); mgmt != NULL; mgmt = mgmt_next) { mgmt_next = TAILQ_NEXT(mgmt, m_entries); TAILQ_REMOVE(&chassis->c_mgmt, mgmt, m_entries); TAILQ_INSERT_TAIL(&ochassis->c_mgmt, mgmt, m_entries); } /* Restore saved values */ ochassis->c_refcount = refcount; ochassis->c_index = index; memcpy(&ochassis->c_entries, &entries, sizeof(entries)); /* Get rid of the new chassis */ free(chassis); } static int lldpd_guess_type(struct lldpd *cfg, char *frame, int s) { size_t i, j; if (s < ETHER_ADDR_LEN) return -1; for (i = 0; cfg->g_protocols[i].mode != 0; i++) { if (!cfg->g_protocols[i].enabled) continue; if (cfg->g_protocols[i].guess == NULL) { for (j = 0; j < sizeof(cfg->g_protocols[0].mac) / sizeof(cfg->g_protocols[0].mac[0]); j++) { if (memcmp(frame, cfg->g_protocols[i].mac[j], ETHER_ADDR_LEN) == 0) { log_debug("decode", "guessed protocol is %s (from MAC address)", cfg->g_protocols[i].name); return cfg->g_protocols[i].mode; } } } else { if (cfg->g_protocols[i].guess(frame, s)) { log_debug("decode", "guessed protocol is %s (from detector function)", cfg->g_protocols[i].name); return cfg->g_protocols[i].mode; } } } return -1; } static void lldpd_decode(struct lldpd *cfg, char *frame, int s, struct lldpd_hardware *hardware) { int i; struct lldpd_chassis *chassis, *ochassis = NULL; struct lldpd_port *port, *oport = NULL, *aport; int guess = LLDPD_MODE_LLDP; log_debug("decode", "decode a received frame on %s", hardware->h_ifname); if (s < sizeof(struct ether_header) + 4) { /* Too short, just discard it */ hardware->h_rx_discarded_cnt++; return; } /* Decapsulate VLAN frames */ struct ether_header eheader; memcpy(&eheader, frame, sizeof(struct ether_header)); if (eheader.ether_type == htons(ETHERTYPE_VLAN)) { /* VLAN decapsulation means to shift 4 bytes left the frame from * offset 2*ETHER_ADDR_LEN */ memmove(frame + 2 * ETHER_ADDR_LEN, frame + 2 * ETHER_ADDR_LEN + 4, s - 2 * ETHER_ADDR_LEN); s -= 4; } TAILQ_FOREACH (oport, &hardware->h_rports, p_entries) { if ((oport->p_lastframe != NULL) && (oport->p_lastframe->size == s) && (memcmp(oport->p_lastframe->frame, frame, s) == 0)) { /* Already received the same frame */ log_debug("decode", "duplicate frame, no need to decode"); oport->p_lastupdate = time(NULL); return; } } guess = lldpd_guess_type(cfg, frame, s); for (i = 0; cfg->g_protocols[i].mode != 0; i++) { if (!cfg->g_protocols[i].enabled) continue; if (cfg->g_protocols[i].mode == guess) { log_debug("decode", "using decode function for %s protocol", cfg->g_protocols[i].name); if (cfg->g_protocols[i].decode(cfg, frame, s, hardware, &chassis, &port) == -1) { log_debug("decode", "function for %s protocol did not decode this frame", cfg->g_protocols[i].name); hardware->h_rx_discarded_cnt++; return; } chassis->c_protocol = port->p_protocol = cfg->g_protocols[i].mode; break; } } if (cfg->g_protocols[i].mode == 0) { log_debug("decode", "unable to guess frame type on %s", hardware->h_ifname); return; } TRACE(LLDPD_FRAME_DECODED(hardware->h_ifname, cfg->g_protocols[i].name, chassis->c_name, port->p_descr)); /* Do we already have the same MSAP somewhere? */ int count = 0; log_debug("decode", "search for the same MSAP"); TAILQ_FOREACH (oport, &hardware->h_rports, p_entries) { if (port->p_protocol == oport->p_protocol) { count++; if ((port->p_id_subtype == oport->p_id_subtype) && (port->p_id_len == oport->p_id_len) && (memcmp(port->p_id, oport->p_id, port->p_id_len) == 0) && (chassis->c_id_subtype == oport->p_chassis->c_id_subtype) && (chassis->c_id_len == oport->p_chassis->c_id_len) && (memcmp(chassis->c_id, oport->p_chassis->c_id, chassis->c_id_len) == 0)) { ochassis = oport->p_chassis; log_debug("decode", "MSAP is already known"); break; } } } /* Do we have room for a new MSAP? */ if (!oport && cfg->g_config.c_max_neighbors) { if (count == (cfg->g_config.c_max_neighbors - 1)) { log_debug("decode", "max neighbors %d reached for port %s, " "dropping any new ones silently", cfg->g_config.c_max_neighbors, hardware->h_ifname); } else if (count > cfg->g_config.c_max_neighbors - 1) { log_debug("decode", "too many neighbors for port %s, drop this new one", hardware->h_ifname); lldpd_port_cleanup(port, 1); lldpd_chassis_cleanup(chassis, 1); free(port); return; } } /* No, but do we already know the system? */ if (!oport) { log_debug("decode", "MSAP is unknown, search for the chassis"); TAILQ_FOREACH (ochassis, &cfg->g_chassis, c_entries) { if ((chassis->c_protocol == ochassis->c_protocol) && (chassis->c_id_subtype == ochassis->c_id_subtype) && (chassis->c_id_len == ochassis->c_id_len) && (memcmp(chassis->c_id, ochassis->c_id, chassis->c_id_len) == 0)) break; } } if (oport) { /* The port is known, remove it before adding it back */ TAILQ_REMOVE(&hardware->h_rports, oport, p_entries); lldpd_port_cleanup(oport, 1); free(oport); } if (ochassis) { if (port->p_ttl == 0) { /* Shutdown LLDPDU is special. We do not want to replace * the chassis. Free the new chassis (which is mostly empty) */ log_debug("decode", "received a shutdown LLDPDU"); lldpd_chassis_cleanup(chassis, 1); } else { lldpd_move_chassis(ochassis, chassis); } chassis = ochassis; } else { /* Chassis not known, add it */ log_debug("decode", "unknown chassis, add it to the list"); chassis->c_index = ++cfg->g_lastrid; chassis->c_refcount = 0; TAILQ_INSERT_TAIL(&cfg->g_chassis, chassis, c_entries); i = 0; TAILQ_FOREACH (ochassis, &cfg->g_chassis, c_entries) i++; log_debug("decode", "%d different systems are known", i); } /* Add port */ port->p_lastchange = port->p_lastupdate = time(NULL); if ((port->p_lastframe = (struct lldpd_frame *)malloc( s + sizeof(struct lldpd_frame))) != NULL) { port->p_lastframe->size = s; memcpy(port->p_lastframe->frame, frame, s); } TAILQ_INSERT_TAIL(&hardware->h_rports, port, p_entries); port->p_chassis = chassis; port->p_chassis->c_refcount++; /* Several cases are possible : 1. chassis is new, its refcount was 0. It is now attached to this port, its refcount is 1. 2. chassis already exists and was attached to another port, we increase its refcount accordingly. 3. chassis already exists and was attached to the same port, its refcount was decreased with lldpd_port_cleanup() and is now increased again. In all cases, if the port already existed, it has been freed with lldpd_port_cleanup() and therefore, the refcount of the chassis that was attached to it is decreased. */ i = 0; /* coverity[use_after_free] TAILQ_REMOVE does the right thing */ TAILQ_FOREACH (aport, &hardware->h_rports, p_entries) i++; log_debug("decode", "%d neighbors for %s", i, hardware->h_ifname); if (!oport) hardware->h_insert_cnt++; /* Notify */ log_debug("decode", "send notifications for changes on %s", hardware->h_ifname); if (oport) { TRACE(LLDPD_NEIGHBOR_UPDATE(hardware->h_ifname, chassis->c_name, port->p_descr, i)); levent_ctl_notify(hardware->h_ifname, NEIGHBOR_CHANGE_UPDATED, port); #ifdef USE_SNMP agent_notify(hardware, NEIGHBOR_CHANGE_UPDATED, port); #endif } else { TRACE(LLDPD_NEIGHBOR_NEW(hardware->h_ifname, chassis->c_name, port->p_descr, i)); levent_ctl_notify(hardware->h_ifname, NEIGHBOR_CHANGE_ADDED, port); #ifdef USE_SNMP agent_notify(hardware, NEIGHBOR_CHANGE_ADDED, port); #endif } #ifdef ENABLE_LLDPMED if (!oport && port->p_chassis->c_med_type) { /* New neighbor, fast start */ if (hardware->h_cfg->g_config.c_enable_fast_start && !hardware->h_tx_fast) { log_debug("decode", "%s: entering fast start due to " "new neighbor", hardware->h_ifname); hardware->h_tx_fast = hardware->h_cfg->g_config.c_tx_fast_init; } levent_schedule_pdu(hardware); } #endif return; } /* Get the output of lsb_release -s -d. This is a slow function. It should be called once. It return NULL if any problem happens. Otherwise, this is a statically allocated buffer. The result includes the trailing \n */ static char * lldpd_get_lsb_release() { static char release[1024]; char cmd[][12] = { "lsb_release", "-s", "-d" }; char *const command[] = { cmd[0], cmd[1], cmd[2], NULL }; int pid, status, devnull, count; int pipefd[2]; log_debug("localchassis", "grab LSB release"); if (pipe(pipefd)) { log_warn("localchassis", "unable to get a pair of pipes"); return NULL; } pid = vfork(); switch (pid) { case -1: log_warn("localchassis", "unable to fork"); return NULL; case 0: /* Child, exec lsb_release */ close(pipefd[0]); if ((devnull = open("/dev/null", O_RDWR, 0)) != -1) { dup2(devnull, STDIN_FILENO); dup2(devnull, STDERR_FILENO); dup2(pipefd[1], STDOUT_FILENO); if (devnull > 2) close(devnull); if (pipefd[1] > 2) close(pipefd[1]); execvp("lsb_release", command); } _exit(127); break; default: /* Father, read the output from the children */ close(pipefd[1]); count = 0; do { status = read(pipefd[0], release + count, sizeof(release) - count); if ((status == -1) && (errno == EINTR)) continue; if (status > 0) count += status; } while (count < sizeof(release) && (status > 0)); if (status < 0) { log_info("localchassis", "unable to read from lsb_release"); close(pipefd[0]); waitpid(pid, &status, 0); return NULL; } close(pipefd[0]); if (count >= sizeof(release)) { log_info("localchassis", "output of lsb_release is too large"); waitpid(pid, &status, 0); return NULL; } status = -1; if (waitpid(pid, &status, 0) != pid) return NULL; if (!WIFEXITED(status) || (WEXITSTATUS(status) != 0)) { log_info("localchassis", "lsb_release information not available"); return NULL; } if (!count) { log_info("localchassis", "lsb_release returned an empty string"); return NULL; } release[count] = '\0'; return release; } /* Should not be here */ return NULL; } /* Same like lldpd_get_lsb_release but reads /etc/os-release for PRETTY_NAME=. */ static char * lldpd_get_os_release() { static char release[1024]; char line[1024]; char *key, *val; char *ptr1 = release; log_debug("localchassis", "grab OS release"); FILE *fp = fopen("/etc/os-release", "r"); if (!fp) { log_debug("localchassis", "could not open /etc/os-release"); fp = fopen("/usr/lib/os-release", "r"); } if (!fp) { log_info("localchassis", "could not open either /etc/os-release or /usr/lib/os-release"); return NULL; } while ((fgets(line, sizeof(line), fp) != NULL)) { key = strtok(line, "="); val = strtok(NULL, "="); if (strncmp(key, "PRETTY_NAME", sizeof(line)) == 0) { strlcpy(release, val, sizeof(line)); break; } } fclose(fp); /* Remove trailing newline and all " in the string. */ ptr1 = release + strlen(release) - 1; while (ptr1 != release && ((*ptr1 == '"') || (*ptr1 == '\n'))) { *ptr1 = '\0'; ptr1--; } if (release[0] == '"') return release + 1; return release; } static void lldpd_hide_ports(struct lldpd *cfg, struct lldpd_hardware *hardware, int mask) { struct lldpd_port *port; int protocols[LLDPD_MODE_MAX + 1]; char buffer[256]; int i, j, k, found; unsigned int min; log_debug("smartfilter", "apply smart filter for port %s", hardware->h_ifname); /* Compute the number of occurrences of each protocol */ for (i = 0; i <= LLDPD_MODE_MAX; i++) protocols[i] = 0; TAILQ_FOREACH (port, &hardware->h_rports, p_entries) protocols[port->p_protocol]++; /* Turn the protocols[] array into an array of enabled/disabled protocols. 1 means enabled, 0 means disabled. */ min = (unsigned int)-1; for (i = 0; i <= LLDPD_MODE_MAX; i++) if (protocols[i] && (protocols[i] < min)) min = protocols[i]; found = 0; for (i = 0; i <= LLDPD_MODE_MAX; i++) if ((protocols[i] == min) && !found) { /* If we need a tie breaker, we take the first protocol only */ if (cfg->g_config.c_smart & mask & (SMART_OUTGOING_ONE_PROTO | SMART_INCOMING_ONE_PROTO)) found = 1; protocols[i] = 1; } else protocols[i] = 0; /* We set the p_hidden flag to 1 if the protocol is disabled */ TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (mask == SMART_OUTGOING) port->p_hidden_out = protocols[port->p_protocol] ? 0 : 1; else port->p_hidden_in = protocols[port->p_protocol] ? 0 : 1; } /* If we want only one neighbor, we take the first one */ if (cfg->g_config.c_smart & mask & (SMART_OUTGOING_ONE_NEIGH | SMART_INCOMING_ONE_NEIGH)) { found = 0; TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (mask == SMART_OUTGOING) { if (found) port->p_hidden_out = 1; if (!port->p_hidden_out) found = 1; } if (mask == SMART_INCOMING) { if (found) port->p_hidden_in = 1; if (!port->p_hidden_in) found = 1; } } } /* Print a debug message summarizing the operation */ for (i = 0; i <= LLDPD_MODE_MAX; i++) protocols[i] = 0; k = j = 0; TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (!(((mask == SMART_OUTGOING) && port->p_hidden_out) || ((mask == SMART_INCOMING) && port->p_hidden_in))) { k++; protocols[port->p_protocol] = 1; } j++; } buffer[0] = '\0'; for (i = 0; cfg->g_protocols[i].mode != 0; i++) { if (cfg->g_protocols[i].enabled && protocols[cfg->g_protocols[i].mode]) { if (strlen(buffer) + strlen(cfg->g_protocols[i].name) + 3 > sizeof(buffer)) { /* Unlikely, our buffer is too small */ memcpy(buffer + sizeof(buffer) - 4, "...", 4); break; } if (buffer[0]) strncat(buffer, ", ", sizeof(buffer) - strlen(buffer) - 1); strncat(buffer, cfg->g_protocols[i].name, sizeof(buffer) - strlen(buffer) - 1); } } log_debug("smartfilter", "%s: %s: %d visible neighbors (out of %d)", hardware->h_ifname, (mask == SMART_OUTGOING) ? "out filter" : "in filter", k, j); log_debug("smartfilter", "%s: protocols: %s", hardware->h_ifname, buffer[0] ? buffer : "(none)"); } /* Hide unwanted ports depending on smart mode set by the user */ static void lldpd_hide_all(struct lldpd *cfg) { struct lldpd_hardware *hardware; if (!cfg->g_config.c_smart) return; log_debug("smartfilter", "apply smart filter results on all ports"); TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) { if (cfg->g_config.c_smart & SMART_INCOMING_FILTER) lldpd_hide_ports(cfg, hardware, SMART_INCOMING); if (cfg->g_config.c_smart & SMART_OUTGOING_FILTER) lldpd_hide_ports(cfg, hardware, SMART_OUTGOING); } } /* If PD device and PSE allocated power, echo back this change. If we have * several LLDP neighbors, we use the latest updated. */ static void lldpd_dot3_power_pd_pse(struct lldpd_hardware *hardware) { #ifdef ENABLE_DOT3 struct lldpd_port *port, *selected_port = NULL; /* Are we a PD device? */ if (hardware->h_lport.p_power.devicetype != LLDP_DOT3_POWER_PD) return; TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (port->p_hidden_in) continue; if (port->p_protocol != LLDPD_MODE_LLDP && port->p_protocol != LLDPD_MODE_CDPV2) continue; if (port->p_power.devicetype != LLDP_DOT3_POWER_PSE) continue; if (!selected_port || port->p_lastupdate > selected_port->p_lastupdate) selected_port = port; } if (selected_port && selected_port->p_power.allocated != hardware->h_lport.p_power.allocated) { log_info("receive", "for %s, PSE told us allocated is now %d instead of %d", hardware->h_ifname, selected_port->p_power.allocated, hardware->h_lport.p_power.allocated); hardware->h_lport.p_power.allocated = selected_port->p_power.allocated; levent_schedule_pdu(hardware); } # ifdef ENABLE_CDP if (selected_port && selected_port->p_cdp_power.management_id != hardware->h_lport.p_cdp_power.management_id) { hardware->h_lport.p_cdp_power.management_id = selected_port->p_cdp_power.management_id; } # endif #endif } void lldpd_recv(struct lldpd *cfg, struct lldpd_hardware *hardware, int fd) { char *buffer = NULL; int n; log_debug("receive", "receive a frame on %s", hardware->h_ifname); if ((buffer = (char *)malloc(hardware->h_mtu)) == NULL) { log_warn("receive", "failed to alloc reception buffer"); return; } if ((n = hardware->h_ops->recv(cfg, hardware, fd, buffer, hardware->h_mtu)) == -1) { log_debug("receive", "discard frame received on %s", hardware->h_ifname); free(buffer); return; } if (hardware->h_lport.p_disable_rx) { log_debug("receive", "RX disabled, ignore the frame on %s", hardware->h_ifname); free(buffer); return; } if (cfg->g_config.c_paused) { log_debug("receive", "paused, ignore the frame on %s", hardware->h_ifname); free(buffer); return; } hardware->h_rx_cnt++; log_debug("receive", "decode received frame on %s", hardware->h_ifname); TRACE(LLDPD_FRAME_RECEIVED(hardware->h_ifname, buffer, (size_t)n)); lldpd_decode(cfg, buffer, n, hardware); lldpd_hide_all(cfg); /* Immediatly hide */ lldpd_dot3_power_pd_pse(hardware); lldpd_count_neighbors(cfg); free(buffer); } static void lldpd_send_shutdown(struct lldpd_hardware *hardware) { struct lldpd *cfg = hardware->h_cfg; if (cfg->g_config.c_receiveonly || cfg->g_config.c_paused) return; if (hardware->h_lport.p_disable_tx) return; if ((hardware->h_flags & IFF_RUNNING) == 0) return; /* It's safe to call `lldp_send_shutdown()` because shutdown LLDPU will * only be emitted if LLDP was sent on that port. */ if (lldp_send_shutdown(hardware->h_cfg, hardware) != 0) log_warnx("send", "unable to send shutdown LLDPDU on %s", hardware->h_ifname); } void lldpd_send(struct lldpd_hardware *hardware) { struct lldpd *cfg = hardware->h_cfg; struct lldpd_port *port; int i, sent; if (cfg->g_config.c_receiveonly || cfg->g_config.c_paused) return; if (hardware->h_lport.p_disable_tx) return; if ((hardware->h_flags & IFF_RUNNING) == 0) return; log_debug("send", "send PDU on %s", hardware->h_ifname); sent = 0; for (i = 0; cfg->g_protocols[i].mode != 0; i++) { if (!cfg->g_protocols[i].enabled) continue; /* We send only if we have at least one remote system * speaking this protocol or if the protocol is forced */ if (cfg->g_protocols[i].enabled > 1) { cfg->g_protocols[i].send(cfg, hardware); sent++; continue; } TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { /* If this remote port is disabled, we don't * consider it */ if (port->p_hidden_out) continue; if (port->p_protocol == cfg->g_protocols[i].mode) { TRACE(LLDPD_FRAME_SEND(hardware->h_ifname, cfg->g_protocols[i].name)); log_debug("send", "send PDU on %s with protocol %s", hardware->h_ifname, cfg->g_protocols[i].name); cfg->g_protocols[i].send(cfg, hardware); hardware->h_lport.p_protocol = cfg->g_protocols[i].mode; sent++; break; } } } if (!sent) { /* Nothing was sent for this port, let's speak the first * available protocol. */ for (i = 0; cfg->g_protocols[i].mode != 0; i++) { if (!cfg->g_protocols[i].enabled) continue; TRACE(LLDPD_FRAME_SEND(hardware->h_ifname, cfg->g_protocols[i].name)); log_debug("send", "fallback to protocol %s for %s", cfg->g_protocols[i].name, hardware->h_ifname); cfg->g_protocols[i].send(cfg, hardware); break; } if (cfg->g_protocols[i].mode == 0) log_warnx("send", "no protocol enabled, dunno what to send"); } } #ifdef ENABLE_LLDPMED static void lldpd_med(struct lldpd *cfg, struct utsname *un) { static short int once = 0; if (!once && cfg) { LOCAL_CHASSIS(cfg)->c_med_hw = dmi_hw(); LOCAL_CHASSIS(cfg)->c_med_fw = dmi_fw(); LOCAL_CHASSIS(cfg)->c_med_sn = dmi_sn(); LOCAL_CHASSIS(cfg)->c_med_manuf = dmi_manuf(); LOCAL_CHASSIS(cfg)->c_med_model = dmi_model(); LOCAL_CHASSIS(cfg)->c_med_asset = dmi_asset(); if (un) { if (LOCAL_CHASSIS(cfg)->c_med_sw) free(LOCAL_CHASSIS(cfg)->c_med_sw); if (cfg->g_config.c_advertise_version) LOCAL_CHASSIS(cfg)->c_med_sw = strdup(un->release); else LOCAL_CHASSIS(cfg)->c_med_sw = strdup("Unknown"); } once = 1; } } #endif static int lldpd_routing_enabled(struct lldpd *cfg) { int routing; if ((LOCAL_CHASSIS(cfg)->c_cap_available & LLDP_CAP_ROUTER) == 0) return 0; if ((routing = interfaces_routing_enabled(cfg)) == -1) { log_debug("localchassis", "unable to check if routing is enabled"); return 0; } return routing; } void lldpd_update_localchassis(struct lldpd *cfg) { struct utsname un; char *hp; log_debug("localchassis", "update information for local chassis"); assert(LOCAL_CHASSIS(cfg) != NULL); /* Set system name and description */ if (uname(&un) < 0) fatal("localchassis", "failed to get system information"); if (cfg->g_config.c_hostname) { log_debug("localchassis", "use overridden system name `%s`", cfg->g_config.c_hostname); hp = cfg->g_config.c_hostname; } else { if ((hp = priv_gethostname()) == NULL) fatal("localchassis", "failed to get system name"); } free(LOCAL_CHASSIS(cfg)->c_name); free(LOCAL_CHASSIS(cfg)->c_descr); if ((LOCAL_CHASSIS(cfg)->c_name = strdup(hp)) == NULL) fatal("localchassis", NULL); if (cfg->g_config.c_description) { log_debug("localchassis", "use overridden description `%s`", cfg->g_config.c_description); if (asprintf(&LOCAL_CHASSIS(cfg)->c_descr, "%s", cfg->g_config.c_description) == -1) fatal("localchassis", "failed to set full system description"); } else { if (cfg->g_config.c_advertise_version) { log_debug("localchassis", "advertise system version"); if (asprintf(&LOCAL_CHASSIS(cfg)->c_descr, "%s %s %s %s %s", cfg->g_lsb_release ? cfg->g_lsb_release : "", un.sysname, un.release, un.version, un.machine) == -1) fatal("localchassis", "failed to set full system description"); } else { log_debug("localchassis", "do not advertise system version"); if (asprintf(&LOCAL_CHASSIS(cfg)->c_descr, "%s", cfg->g_lsb_release ? cfg->g_lsb_release : un.sysname) == -1) fatal("localchassis", "failed to set minimal system description"); } } if (cfg->g_config.c_platform == NULL) cfg->g_config.c_platform = strdup(un.sysname); if (!cfg->g_config.c_cap_override) { /* Check routing */ if (lldpd_routing_enabled(cfg)) { log_debug("localchassis", "routing is enabled, enable router capability"); LOCAL_CHASSIS(cfg)->c_cap_enabled |= LLDP_CAP_ROUTER; } else LOCAL_CHASSIS(cfg)->c_cap_enabled &= ~LLDP_CAP_ROUTER; #ifdef ENABLE_LLDPMED if (LOCAL_CHASSIS(cfg)->c_cap_available & LLDP_CAP_TELEPHONE) LOCAL_CHASSIS(cfg)->c_cap_enabled |= LLDP_CAP_TELEPHONE; lldpd_med(cfg, &un); #endif if ((LOCAL_CHASSIS(cfg)->c_cap_available & LLDP_CAP_STATION) && (LOCAL_CHASSIS(cfg)->c_cap_enabled == 0)) LOCAL_CHASSIS(cfg)->c_cap_enabled = LLDP_CAP_STATION; else if (LOCAL_CHASSIS(cfg)->c_cap_enabled != LLDP_CAP_STATION) LOCAL_CHASSIS(cfg)->c_cap_enabled &= ~LLDP_CAP_STATION; } /* Set chassis ID if needed. This is only done if chassis ID has not been set previously (with the MAC address of an interface for example) */ if (cfg->g_config.c_cid_string != NULL) { log_debug("localchassis", "use specified chassis ID string"); free(LOCAL_CHASSIS(cfg)->c_id); if (!(LOCAL_CHASSIS(cfg)->c_id = strdup(cfg->g_config.c_cid_string))) fatal("localchassis", NULL); LOCAL_CHASSIS(cfg)->c_id_len = strlen(cfg->g_config.c_cid_string); LOCAL_CHASSIS(cfg)->c_id_subtype = LLDP_CHASSISID_SUBTYPE_LOCAL; } if (LOCAL_CHASSIS(cfg)->c_id == NULL) { log_debug("localchassis", "no chassis ID is currently set, use chassis name"); if (!(LOCAL_CHASSIS(cfg)->c_id = strdup(LOCAL_CHASSIS(cfg)->c_name))) fatal("localchassis", NULL); LOCAL_CHASSIS(cfg)->c_id_len = strlen(LOCAL_CHASSIS(cfg)->c_name); LOCAL_CHASSIS(cfg)->c_id_subtype = LLDP_CHASSISID_SUBTYPE_LOCAL; } } void lldpd_update_localports(struct lldpd *cfg) { struct lldpd_hardware *hardware; log_debug("localchassis", "update information for local ports"); /* h_flags is set to 0 for each port. If the port is updated, h_flags * will be set to a non-zero value. This will allow us to clean up any * non up-to-date port */ TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) hardware->h_flags = 0; TRACE(LLDPD_INTERFACES_UPDATE()); interfaces_update(cfg); lldpd_cleanup(cfg); lldpd_reset_timer(cfg); } void lldpd_loop(struct lldpd *cfg) { /* Main loop. 1. Update local ports information 2. Update local chassis information */ log_debug("loop", "start new loop"); if (!cfg->g_config.c_cap_override) LOCAL_CHASSIS(cfg)->c_cap_enabled = 0; /* Information for local ports is triggered even when it is possible to * update them on some other event because we want to refresh them if we * missed something. */ log_debug("loop", "update information for local ports"); lldpd_update_localports(cfg); log_debug("loop", "update information for local chassis"); lldpd_update_localchassis(cfg); lldpd_count_neighbors(cfg); } static void lldpd_exit(struct lldpd *cfg) { char *lockname = NULL; struct lldpd_hardware *hardware, *hardware_next; log_debug("main", "exit lldpd"); TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) lldpd_send_shutdown(hardware); if (asprintf(&lockname, "%s.lock", cfg->g_ctlname) != -1) { priv_ctl_cleanup(lockname); free(lockname); } close(cfg->g_ctl); priv_ctl_cleanup(cfg->g_ctlname); log_debug("main", "cleanup hardware information"); for (hardware = TAILQ_FIRST(&cfg->g_hardware); hardware != NULL; hardware = hardware_next) { hardware_next = TAILQ_NEXT(hardware, h_entries); log_debug("main", "cleanup interface %s", hardware->h_ifname); lldpd_remote_cleanup(hardware, NULL, 1); lldpd_hardware_cleanup(cfg, hardware); } interfaces_cleanup(cfg); lldpd_port_cleanup(cfg->g_default_local_port, 1); lldpd_all_chassis_cleanup(cfg); free(cfg->g_default_local_port); free(cfg->g_config.c_platform); levent_shutdown(cfg); } /** * Run lldpcli to configure lldpd. * * @return PID of running lldpcli or -1 if error. */ static pid_t lldpd_configure(int use_syslog, int debug, const char *path, const char *ctlname, const char *config_path) { pid_t lldpcli = vfork(); int devnull; char sdebug[debug + 4]; if (use_syslog) strlcpy(sdebug, "-s", 3); else { /* debug = 0 -> -sd */ /* debug = 1 -> -sdd */ /* debug = 2 -> -sddd */ memset(sdebug, 'd', sizeof(sdebug)); sdebug[debug + 3] = '\0'; sdebug[0] = '-'; sdebug[1] = 's'; } log_debug("main", "invoke %s %s", path, sdebug); switch (lldpcli) { case -1: log_warn("main", "unable to fork"); return -1; case 0: /* Child, exec lldpcli */ if ((devnull = open("/dev/null", O_RDWR, 0)) != -1) { dup2(devnull, STDIN_FILENO); dup2(devnull, STDOUT_FILENO); if (devnull > 2) close(devnull); if (config_path) { execl(path, "lldpcli", sdebug, "-u", ctlname, "-C", config_path, "resume", (char *)NULL); } else { execl(path, "lldpcli", sdebug, "-u", ctlname, "-C", SYSCONFDIR "/lldpd.conf", "-C", SYSCONFDIR "/lldpd.d", "resume", (char *)NULL); } log_warn("main", "unable to execute %s", path); log_warnx("main", "configuration is incomplete, lldpd needs to be unpaused"); } _exit(127); break; default: /* Father, don't do anything stupid */ return lldpcli; } /* Should not be here */ return -1; } struct intint { int a; int b; }; static const struct intint filters[] = { { 0, 0 }, { 1, SMART_INCOMING_FILTER | SMART_INCOMING_ONE_PROTO | SMART_OUTGOING_FILTER | SMART_OUTGOING_ONE_PROTO }, { 2, SMART_INCOMING_FILTER | SMART_INCOMING_ONE_PROTO }, { 3, SMART_OUTGOING_FILTER | SMART_OUTGOING_ONE_PROTO }, { 4, SMART_INCOMING_FILTER | SMART_OUTGOING_FILTER }, { 5, SMART_INCOMING_FILTER }, { 6, SMART_OUTGOING_FILTER }, { 7, SMART_INCOMING_FILTER | SMART_INCOMING_ONE_PROTO | SMART_INCOMING_ONE_NEIGH | SMART_OUTGOING_FILTER | SMART_OUTGOING_ONE_PROTO }, { 8, SMART_INCOMING_FILTER | SMART_INCOMING_ONE_PROTO | SMART_INCOMING_ONE_NEIGH }, { 9, SMART_INCOMING_FILTER | SMART_INCOMING_ONE_NEIGH | SMART_OUTGOING_FILTER | SMART_OUTGOING_ONE_PROTO }, { 10, SMART_OUTGOING_FILTER | SMART_OUTGOING_ONE_NEIGH }, { 11, SMART_INCOMING_FILTER | SMART_INCOMING_ONE_NEIGH }, { 12, SMART_INCOMING_FILTER | SMART_INCOMING_ONE_NEIGH | SMART_OUTGOING_FILTER | SMART_OUTGOING_ONE_NEIGH }, { 13, SMART_INCOMING_FILTER | SMART_INCOMING_ONE_NEIGH | SMART_OUTGOING_FILTER }, { 14, SMART_INCOMING_FILTER | SMART_INCOMING_ONE_PROTO | SMART_OUTGOING_FILTER | SMART_OUTGOING_ONE_NEIGH }, { 15, SMART_INCOMING_FILTER | SMART_INCOMING_ONE_PROTO | SMART_OUTGOING_FILTER }, { 16, SMART_INCOMING_FILTER | SMART_INCOMING_ONE_PROTO | SMART_INCOMING_ONE_NEIGH | SMART_OUTGOING_FILTER | SMART_OUTGOING_ONE_NEIGH }, { 17, SMART_INCOMING_FILTER | SMART_INCOMING_ONE_PROTO | SMART_INCOMING_ONE_NEIGH | SMART_OUTGOING_FILTER }, { 18, SMART_INCOMING_FILTER | SMART_OUTGOING_FILTER | SMART_OUTGOING_ONE_NEIGH }, { 19, SMART_INCOMING_FILTER | SMART_OUTGOING_FILTER | SMART_OUTGOING_ONE_PROTO }, { -1, 0 } }; #ifndef HOST_OS_OSX /** * Tell if we have been started by systemd. */ static int lldpd_started_by_systemd() { # ifdef HOST_OS_LINUX int fd = -1; const char *notifysocket = getenv("NOTIFY_SOCKET"); if (!notifysocket || !strchr("@/", notifysocket[0]) || strlen(notifysocket) < 2) return 0; log_debug("main", "running with systemd, don't fork but signal ready"); if ((fd = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0) { log_warn("main", "unable to open systemd notification socket %s", notifysocket); return 0; } struct sockaddr_un su = { .sun_family = AF_UNIX }; strlcpy(su.sun_path, notifysocket, sizeof(su.sun_path)); if (notifysocket[0] == '@') su.sun_path[0] = 0; char ready[] = "READY=1"; struct iovec iov = { .iov_base = ready, .iov_len = sizeof ready - 1 }; struct msghdr hdr = { .msg_name = &su, .msg_namelen = offsetof(struct sockaddr_un, sun_path) + strlen(notifysocket), .msg_iov = &iov, .msg_iovlen = 1 }; unsetenv("NOTIFY_SOCKET"); if (sendmsg(fd, &hdr, MSG_NOSIGNAL) < 0) { log_warn("main", "unable to send notification to systemd"); close(fd); return 0; } close(fd); return 1; # else return 0; # endif } #endif #ifdef HOST_OS_LINUX static void version_convert(const char *sversion, unsigned iversion[], size_t n) { const char *p = sversion; char *end; for (size_t i = 0; i < n; i++) { iversion[i] = strtol(p, &end, 10); if (*end != '.') break; p = end + 1; } } static void version_check(void) { struct utsname uts; if (uname(&uts) == -1) return; unsigned version_min[3] = {}; unsigned version_cur[3] = {}; version_convert(uts.release, version_cur, 3); version_convert(MIN_LINUX_KERNEL_VERSION, version_min, 3); if (version_min[0] > version_cur[0] || (version_min[0] == version_cur[0] && version_min[1] > version_cur[1]) || (version_min[0] == version_cur[0] && version_min[1] == version_cur[1] && version_min[2] > version_cur[2])) { log_warnx("lldpd", "minimal kernel version required is %s, got %s", MIN_LINUX_KERNEL_VERSION, uts.release); log_warnx("lldpd", "lldpd may be unable to detect bonds and bridges correctly"); # ifndef ENABLE_OLDIES log_warnx("lldpd", "consider recompiling with --enable-oldies option"); # endif } } #else static void version_check(void) { } #endif int lldpd_main(int argc, char *argv[], char *envp[]) { struct lldpd *cfg; struct lldpd_chassis *lchassis; int ch, debug = 0, use_syslog = 1, daemonize = 1; const char *errstr; #ifdef USE_SNMP int snmp = 0; const char *agentx = NULL; /* AgentX socket */ #endif const char *ctlname = NULL; char *mgmtp = NULL; char *cidp = NULL; char *interfaces = NULL; /* We do not want more options here. Please add them in lldpcli instead * unless there is a very good reason. Most command-line options will * get deprecated at some point. */ char *popt, opts[] = "H:vhkrdD:p:xX:m:u:4:6:I:C:p:M:P:S:iL:O:@ "; int i, found, advertise_version = 1; #ifdef ENABLE_LLDPMED int lldpmed = 0, noinventory = 0; int enable_fast_start = 1; #endif char *descr_override = NULL; char *platform_override = NULL; char *lsb_release = NULL; const char *lldpcli = LLDPCLI_PATH; const char *pidfile = LLDPD_PID_FILE; int smart = 15; int receiveonly = 0, version = 0; int ctl; const char *config_file = NULL; #ifdef ENABLE_PRIVSEP /* Non privileged user */ struct passwd *user; struct group *group; uid_t uid; gid_t gid; #endif saved_argv = argv; #if HAVE_SETPROCTITLE_INIT setproctitle_init(argc, argv, envp); #endif /* * Get and parse command line options */ if ((popt = strchr(opts, '@')) != NULL) { for (i = 0; protos[i].mode != 0 && *popt != '\0'; i++) *(popt++) = protos[i].arg; *popt = '\0'; } while ((ch = getopt(argc, argv, opts)) != -1) { switch (ch) { case 'h': usage(); break; case 'v': version++; break; case 'd': if (daemonize) daemonize = 0; else if (use_syslog) use_syslog = 0; else debug++; break; case 'D': log_accept(optarg); break; case 'p': pidfile = optarg; break; case 'r': receiveonly = 1; break; case 'm': if (mgmtp) { fprintf(stderr, "-m can only be used once\n"); usage(); } mgmtp = strdup(optarg); break; case 'u': if (ctlname) { fprintf(stderr, "-u can only be used once\n"); usage(); } ctlname = optarg; break; case 'I': if (interfaces) { fprintf(stderr, "-I can only be used once\n"); usage(); } interfaces = strdup(optarg); break; case 'C': if (cidp) { fprintf(stderr, "-C can only be used once\n"); usage(); } cidp = strdup(optarg); break; case 'L': if (strlen(optarg)) lldpcli = optarg; else lldpcli = NULL; break; case 'k': advertise_version = 0; break; #ifdef ENABLE_LLDPMED case 'M': lldpmed = strtonum(optarg, 1, 4, &errstr); if (errstr) { fprintf(stderr, "-M requires an argument between 1 and 4\n"); usage(); } break; case 'i': noinventory = 1; break; #else case 'M': case 'i': fprintf(stderr, "LLDP-MED support is not built-in\n"); usage(); break; #endif #ifdef USE_SNMP case 'x': snmp = 1; break; case 'X': if (agentx) { fprintf(stderr, "-X can only be used once\n"); usage(); } snmp = 1; agentx = optarg; break; #else case 'x': case 'X': fprintf(stderr, "SNMP support is not built-in\n"); usage(); #endif break; case 'S': if (descr_override) { fprintf(stderr, "-S can only be used once\n"); usage(); } descr_override = strdup(optarg); break; case 'P': if (platform_override) { fprintf(stderr, "-P can only be used once\n"); usage(); } platform_override = strdup(optarg); break; case 'H': smart = strtonum(optarg, 0, sizeof(filters) / sizeof(filters[0]), &errstr); if (errstr) { fprintf(stderr, "-H requires an int between 0 and %zu\n", sizeof(filters) / sizeof(filters[0])); usage(); } break; case 'O': if (config_file) { fprintf(stderr, "-O can only be used once\n"); usage(); } config_file = optarg; break; default: found = 0; for (i = 0; protos[i].mode != 0; i++) { if (ch == protos[i].arg) { found = 1; protos[i].enabled++; } } if (!found) usage(); } } if (version) { version_display(stdout, "lldpd", version > 1); exit(0); } if (ctlname == NULL) ctlname = LLDPD_CTL_SOCKET; /* Set correct smart mode */ for (i = 0; (filters[i].a != -1) && (filters[i].a != smart); i++) ; if (filters[i].a == -1) { fprintf(stderr, "Incorrect mode for -H\n"); usage(); } smart = filters[i].b; log_init(use_syslog, debug, __progname); tzset(); /* Get timezone info before chroot */ if (use_syslog && daemonize) { /* So, we use syslog and we daemonize (or we are started by * systemd). No need to continue writing to stdout. */ int fd; /* coverity[resource_leak] fd may be leaked if < 2, it's expected */ if ((fd = open("/dev/null", O_RDWR, 0)) != -1) { dup2(fd, STDIN_FILENO); dup2(fd, STDOUT_FILENO); dup2(fd, STDERR_FILENO); if (fd > 2) close(fd); } } log_debug("main", "lldpd " PACKAGE_VERSION " starting..."); version_check(); #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION fatalx("main", "fuzzing enabled, unsafe for production"); #endif /* Grab uid and gid to use for priv sep */ #ifdef ENABLE_PRIVSEP if ((user = getpwnam(PRIVSEP_USER)) == NULL) fatalx("main", "no " PRIVSEP_USER " user for privilege separation, please create it"); uid = user->pw_uid; if ((group = getgrnam(PRIVSEP_GROUP)) == NULL) fatalx("main", "no " PRIVSEP_GROUP " group for privilege separation, please create it"); gid = group->gr_gid; #endif /* Create and setup socket */ int retry = 1; log_debug("main", "creating control socket"); while ((ctl = ctl_create(ctlname)) == -1) { if (retry-- && errno == EADDRINUSE) { /* Check if a daemon is really listening */ int tfd; log_info("main", "unable to create control socket because it already exists"); log_info("main", "check if another instance is running"); if ((tfd = ctl_connect(ctlname)) != -1) { /* Another instance is running */ close(tfd); log_warnx("main", "another instance is running, please stop it"); fatalx("main", "giving up"); } else if (errno == ECONNREFUSED) { /* Nobody is listening */ log_info("main", "old control socket is present, clean it"); ctl_cleanup(ctlname); continue; } log_warn("main", "cannot determine if another daemon is already running"); fatalx("main", "giving up"); } log_warn("main", "unable to create control socket at %s", ctlname); fatalx("main", "giving up"); } #ifdef ENABLE_PRIVSEP if (chown(ctlname, uid, gid) == -1) log_warn("main", "unable to chown control socket"); if (chmod(ctlname, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP) == -1) log_warn("main", "unable to chmod control socket"); #endif /* Create associated advisory lock file */ char *lockname = NULL; int fd; if (asprintf(&lockname, "%s.lock", ctlname) == -1) fatal("main", "cannot build lock name"); if ((fd = open(lockname, O_CREAT | O_RDWR, 0000)) == -1) fatal("main", "cannot create lock file for control socket"); close(fd); #ifdef ENABLE_PRIVSEP if (chown(lockname, uid, gid) == -1) log_warn("main", "unable to chown control socket lock"); if (chmod(lockname, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP) == -1) log_warn("main", "unable to chmod control socket lock"); #endif free(lockname); /* Disable SIGPIPE */ signal(SIGPIPE, SIG_IGN); /* Disable SIGHUP, until handlers are installed */ signal(SIGHUP, SIG_IGN); /* Daemonization, unless started by systemd or launchd or debug */ #ifndef HOST_OS_OSX if (!lldpd_started_by_systemd() && daemonize) { int pid; char *spid; log_debug("main", "going into background"); if (daemon(0, 1) != 0) fatal("main", "failed to detach daemon"); if ((pid = open(pidfile, O_TRUNC | O_CREAT | O_WRONLY, 0666)) == -1) fatal("main", "unable to open pid file " LLDPD_PID_FILE " (or the specified one)"); if (asprintf(&spid, "%d\n", getpid()) == -1) fatal("main", "unable to create pid file " LLDPD_PID_FILE " (or the specified one)"); if (write(pid, spid, strlen(spid)) == -1) fatal("main", "unable to write pid file " LLDPD_PID_FILE " (or the specified one)"); free(spid); close(pid); } #endif /* Configuration with lldpcli */ if (lldpcli) { if (!config_file) { log_debug("main", "invoking lldpcli for default configuration locations"); } else { log_debug("main", "invoking lldpcli for user supplied configuration location"); } if (lldpd_configure(use_syslog, debug, lldpcli, ctlname, config_file) == -1) fatal("main", "unable to spawn lldpcli"); } /* Try to read system information from /etc/os-release if possible. Fall back to lsb_release for compatibility. */ log_debug("main", "get OS/LSB release information"); lsb_release = lldpd_get_os_release(); if (!lsb_release) { lsb_release = lldpd_get_lsb_release(); } log_debug("main", "initialize privilege separation"); #ifdef ENABLE_PRIVSEP priv_init(PRIVSEP_CHROOT, ctl, uid, gid); #else priv_init(); #endif /* Initialization of global configuration */ if ((cfg = (struct lldpd *)calloc(1, sizeof(struct lldpd))) == NULL) fatal("main", NULL); lldpd_alloc_default_local_port(cfg); cfg->g_ctlname = ctlname; cfg->g_ctl = ctl; cfg->g_config.c_mgmt_pattern = mgmtp; cfg->g_config.c_cid_pattern = cidp; cfg->g_config.c_iface_pattern = interfaces; cfg->g_config.c_smart = smart; if (lldpcli) cfg->g_config.c_paused = 1; cfg->g_config.c_receiveonly = receiveonly; cfg->g_config.c_tx_interval = LLDPD_TX_INTERVAL * 1000; cfg->g_config.c_tx_hold = LLDPD_TX_HOLD; cfg->g_config.c_ttl = cfg->g_config.c_tx_interval * cfg->g_config.c_tx_hold; cfg->g_config.c_ttl = (cfg->g_config.c_ttl + 999) / 1000; cfg->g_config.c_max_neighbors = LLDPD_MAX_NEIGHBORS; #ifdef ENABLE_LLDPMED cfg->g_config.c_enable_fast_start = enable_fast_start; cfg->g_config.c_tx_fast_init = LLDPD_FAST_INIT; cfg->g_config.c_tx_fast_interval = LLDPD_FAST_TX_INTERVAL; #endif #ifdef USE_SNMP cfg->g_snmp = snmp; cfg->g_snmp_agentx = agentx; #endif /* USE_SNMP */ cfg->g_config.c_bond_slave_src_mac_type = LLDP_BOND_SLAVE_SRC_MAC_TYPE_LOCALLY_ADMINISTERED; /* Get ioctl socket */ log_debug("main", "get an ioctl socket"); if ((cfg->g_sock = socket(AF_INET, SOCK_DGRAM, 0)) == -1) fatal("main", "failed to get ioctl socket"); /* Description */ if (!(cfg->g_config.c_advertise_version = advertise_version) && lsb_release && lsb_release[strlen(lsb_release) - 1] == '\n') lsb_release[strlen(lsb_release) - 1] = '\0'; cfg->g_lsb_release = lsb_release; if (descr_override) cfg->g_config.c_description = descr_override; if (platform_override) cfg->g_config.c_platform = platform_override; /* Set system capabilities */ log_debug("main", "set system capabilities"); if ((lchassis = (struct lldpd_chassis *)calloc(1, sizeof(struct lldpd_chassis))) == NULL) fatal("localchassis", NULL); cfg->g_config.c_cap_advertise = 1; cfg->g_config.c_cap_override = 0; lchassis->c_cap_available = LLDP_CAP_BRIDGE | LLDP_CAP_WLAN | LLDP_CAP_ROUTER | LLDP_CAP_STATION; cfg->g_config.c_mgmt_advertise = 1; TAILQ_INIT(&lchassis->c_mgmt); #ifdef ENABLE_LLDPMED if (lldpmed > 0) { if (lldpmed == LLDP_MED_CLASS_III) lchassis->c_cap_available |= LLDP_CAP_TELEPHONE; lchassis->c_med_type = lldpmed; lchassis->c_med_cap_available = LLDP_MED_CAP_CAP | LLDP_MED_CAP_IV | LLDP_MED_CAP_LOCATION | LLDP_MED_CAP_POLICY | LLDP_MED_CAP_MDI_PSE | LLDP_MED_CAP_MDI_PD; cfg->g_config.c_noinventory = noinventory; } else cfg->g_config.c_noinventory = 1; #endif log_debug("main", "initialize protocols"); cfg->g_protocols = protos; for (i = 0; protos[i].mode != 0; i++) { /* With -ll, disable LLDP */ if (protos[i].mode == LLDPD_MODE_LLDP) protos[i].enabled %= 3; /* With -ccc force CDPV2, enable CDPV1 */ if (protos[i].mode == LLDPD_MODE_CDPV1 && protos[i].enabled == 3) { protos[i].enabled = 1; } /* With -cc force CDPV1, enable CDPV2 */ if (protos[i].mode == LLDPD_MODE_CDPV2 && protos[i].enabled == 2) { protos[i].enabled = 1; } /* With -cccc disable CDPV1, enable CDPV2 */ if (protos[i].mode == LLDPD_MODE_CDPV1 && protos[i].enabled >= 4) { protos[i].enabled = 0; } /* With -cccc disable CDPV1, enable CDPV2; -ccccc will force CDPv2 */ if (protos[i].mode == LLDPD_MODE_CDPV2 && protos[i].enabled == 4) { protos[i].enabled = 1; } if (protos[i].enabled > 1) log_info("main", "protocol %s enabled and forced", protos[i].name); else if (protos[i].enabled) log_info("main", "protocol %s enabled", protos[i].name); else log_info("main", "protocol %s disabled", protos[i].name); } TAILQ_INIT(&cfg->g_hardware); TAILQ_INIT(&cfg->g_chassis); TAILQ_INSERT_TAIL(&cfg->g_chassis, lchassis, c_entries); lchassis->c_refcount++; /* We should always keep a reference to local chassis */ /* Main loop */ log_debug("main", "start main loop"); levent_loop(cfg); lchassis->c_refcount--; lldpd_exit(cfg); free(cfg); return (0); } lldpd-1.0.18/src/daemon/probes.d0000644000076400001440000000744414111362571015641 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ provider lldpd { /** * Fired when a frame is received, before it is decoded. * @param ifname the name of the interface * @param frame the received frame * @param len the len of the received frame */ probe frame_received(char *ifname, void *frame, size_t len); /** * Fired when a frame is decoded. * @param ifname the name of the interface * @param protocol the name of the protocol * @param chassis_name the name of chassis (may be NULL) * @param port_descr the description of the port (may be NULL) */ probe frame_decoded(char *ifname, char *protocol, char *chassis_name, char *port_descr); /** * Fired when a frame is sent. * @param ifname the name of the interface * @param protocol the name of the protocol */ probe frame_send(char *ifname, char *protocol); /** * Fired when a neighbor is added. * @param ifname the name of the interface where the neighbor appeared * @param chassis_name the name of chassis (may be NULL) * @param port_descr the description of the port (may be NULL) * @param count the total number of neighbors known */ probe neighbor_new(char *ifname, char *chassis_name, char *port_descr, int count); /** * Fired when a neighbor is updated. * @param ifname the name of the interface where the neighbor updated * @param chassis_name the name of chassis (may be NULL) * @param port_descr the description of the port (may be NULL) * @param count the total number of neighbors known */ probe neighbor_update(char *ifname, char *chassis_name, char *port_descr, int count); /** * Fired when a neighbor is deleted. * @param ifname the name of the interface where the neighbor deleted * @param chassis_name the name of chassis (may be NULL) * @param port_descr the description of the port (may be NULL) * @param count the total number of neighbors known */ probe neighbor_delete(char *ifname, char *chassis_name, char *port_descr); /** * Fired before handling a client request. * @param name the name of the request */ probe client_request(char *name); /** * Fired for each iteration of the event loop. */ probe event_loop(); /** * Fired when initializing a new interface in privileged mode. * @param name the name of the interface */ probe priv_interface_init(char *name); /** * Fired when setting description of an interface. * @param name the name of the interface * @param desc the description of the interface */ probe priv_interface_description(char *name, char *description); /** * Fired when doing an interface updates. */ probe interfaces_update(); /** * Fired when receiving an interface update notification. */ probe interfaces_notification(); /** * Fired when an interface is removed. * @param name the name of the interface */ probe interfaces_delete(char *name); /** * Fired when an interface is added. * @param name the name of the interface */ probe interfaces_new(char *name); }; lldpd-1.0.18/src/daemon/interfaces.c0000644000076400001440000005426614532716672016511 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include "trace.h" #include #include #include #include #include static int lldpd_af(int af) { switch (af) { case LLDPD_AF_IPV4: return AF_INET; case LLDPD_AF_IPV6: return AF_INET6; case LLDPD_AF_LAST: return AF_MAX; default: return AF_UNSPEC; } } /* Generic ethernet interface initialization */ /** * Enable multicast on the given interface. */ void interfaces_setup_multicast(struct lldpd *cfg, const char *name, int remove) { int rc; size_t i, j; const u_int8_t *mac; const u_int8_t zero[ETHER_ADDR_LEN] = {}; for (i = 0; cfg->g_protocols[i].mode != 0; i++) { if (!cfg->g_protocols[i].enabled) continue; for (j = 0; j < sizeof(cfg->g_protocols[0].mac) / sizeof(cfg->g_protocols[0].mac[0]); j++) { mac = cfg->g_protocols[i].mac[j]; if (memcmp(mac, zero, ETHER_ADDR_LEN) == 0) break; if ((rc = priv_iface_multicast(name, mac, !remove)) != 0) { errno = rc; if (errno != ENOENT) log_debug("interfaces", "unable to %s %s address to multicast filter for %s (%s)", (remove) ? "delete" : "add", cfg->g_protocols[i].name, name, strerror(rc)); } } } } /** * Free an interface. * * @param iff interface to be freed */ void interfaces_free_device(struct interfaces_device *iff) { if (!iff) return; free(iff->name); free(iff->alias); free(iff->address); free(iff->driver); free(iff); } /** * Free a list of interfaces. * * @param ifs list of interfaces to be freed */ void interfaces_free_devices(struct interfaces_device_list *ifs) { struct interfaces_device *iff, *iff_next; if (!ifs) return; for (iff = TAILQ_FIRST(ifs); iff != NULL; iff = iff_next) { iff_next = TAILQ_NEXT(iff, next); interfaces_free_device(iff); } free(ifs); } /** * Free one address * * @param ifaddr Address to be freed */ void interfaces_free_address(struct interfaces_address *ifaddr) { free(ifaddr); } /** * Free a list of addresses. * * @param ifaddrs list of addresses */ void interfaces_free_addresses(struct interfaces_address_list *ifaddrs) { struct interfaces_address *ifa, *ifa_next; if (!ifaddrs) return; for (ifa = TAILQ_FIRST(ifaddrs); ifa != NULL; ifa = ifa_next) { ifa_next = TAILQ_NEXT(ifa, next); interfaces_free_address(ifa); } free(ifaddrs); } /** * Find the appropriate interface from the name. * * @param interfaces List of available interfaces * @param device Name of the device we search for * @return The interface or NULL if not found */ struct interfaces_device * interfaces_nametointerface(struct interfaces_device_list *interfaces, const char *device) { struct interfaces_device *iface; TAILQ_FOREACH (iface, interfaces, next) { if (!strncmp(iface->name, device, IFNAMSIZ)) return iface; } log_debug("interfaces", "cannot get interface for index %s", device); return NULL; } /** * Find the appropriate interface from the index. * * @param interfaces List of available interfaces * @param index Index of the device we search for * @return The interface or NULL if not found */ struct interfaces_device * interfaces_indextointerface(struct interfaces_device_list *interfaces, int index) { struct interfaces_device *iface; TAILQ_FOREACH (iface, interfaces, next) { if (iface->index == index) return iface; } log_debug("interfaces", "cannot get interface for index %d", index); return NULL; } void interfaces_helper_allowlist(struct lldpd *cfg, struct interfaces_device_list *interfaces) { struct interfaces_device *iface; if (!cfg->g_config.c_iface_pattern) return; TAILQ_FOREACH (iface, interfaces, next) { int m = pattern_match(iface->name, cfg->g_config.c_iface_pattern, 0); switch (m) { case PATTERN_MATCH_DENIED: log_debug("interfaces", "deny %s", iface->name); iface->ignore = 1; continue; case PATTERN_MATCH_ALLOWED_EXACT: log_debug("interfaces", "allow %s (consider it as a physical interface)", iface->name); iface->type |= IFACE_PHYSICAL_T; continue; } } } #ifdef ENABLE_DOT1 static void iface_append_vlan(struct lldpd *cfg, struct interfaces_device *vlan, struct interfaces_device *lower) { struct lldpd_hardware *hardware = lldpd_get_hardware(cfg, lower->name, lower->index); struct lldpd_port *port; struct lldpd_vlan *v; char *name = NULL; uint16_t vlan_id; if (hardware == NULL) { log_debug("interfaces", "cannot find real interface %s for VLAN %s", lower->name, vlan->name); return; } port = &hardware->h_lport; for (int i = 0; (i < VLAN_BITMAP_LEN); i++) { if (vlan->vlan_bmap[i] == 0) continue; for (unsigned bit = 0; bit < 32; bit++) { uint32_t mask = 1L << bit; if (!(vlan->vlan_bmap[i] & mask)) continue; vlan_id = (i * 32) + bit; if (asprintf(&name, "vlan%d", vlan_id) == -1) return; /* Check if the VLAN is already here. */ TAILQ_FOREACH (v, &port->p_vlans, v_entries) if (strncmp(name, v->v_name, IFNAMSIZ) == 0) { free(name); return; } if ((v = (struct lldpd_vlan *)calloc(1, sizeof(struct lldpd_vlan))) == NULL) { free(name); return; } v->v_name = name; v->v_vid = vlan_id; if (vlan->pvid) port->p_pvid = vlan->pvid; log_debug("interfaces", "append VLAN %s for %s", v->v_name, hardware->h_ifname); TAILQ_INSERT_TAIL(&port->p_vlans, v, v_entries); } } } /** * Append VLAN to the lowest possible interface. * * @param vlan The VLAN interface (used to get VLAN ID). * @param upper The upper interface we are currently examining. * @param depth Depth of the stack (avoid infinite recursion) * * Initially, upper == vlan. This function will be called recursively. */ static void iface_append_vlan_to_lower(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct interfaces_device *vlan, struct interfaces_device *upper, int depth) { if (depth > 5) { log_warnx("interfaces", "BUG: maximum depth reached when applying VLAN %s (loop?)", vlan->name); return; } depth++; struct interfaces_device *lower; log_debug("interfaces", "looking to apply VLAN %s to physical interface behind %s", vlan->name, upper->name); /* Some bridges managed VLAN internally, skip them. */ if (upper->type & IFACE_BRIDGE_VLAN_T) { log_debug("interfaces", "VLAN %s ignored for VLAN-aware bridge interface %s", vlan->name, upper->name); return; } /* Easy: check if we have a lower interface. */ if (upper->lower) { log_debug("interfaces", "VLAN %s on lower interface %s", vlan->name, upper->name); iface_append_vlan_to_lower(cfg, interfaces, vlan, upper->lower, depth); return; } /* Other easy case, we have a physical interface. */ if (upper->type & IFACE_PHYSICAL_T) { log_debug("interfaces", "VLAN %s on physical interface %s", vlan->name, upper->name); iface_append_vlan(cfg, vlan, upper); return; } /* We can now search for interfaces that have our interface as an upper * interface. */ TAILQ_FOREACH (lower, interfaces, next) { if (lower->upper != upper) continue; log_debug("interfaces", "VLAN %s on lower interface %s", vlan->name, upper->name); iface_append_vlan_to_lower(cfg, interfaces, vlan, lower, depth); } } void interfaces_helper_vlan(struct lldpd *cfg, struct interfaces_device_list *interfaces) { struct interfaces_device *iface; TAILQ_FOREACH (iface, interfaces, next) { if (!(iface->type & IFACE_VLAN_T) && bitmap_isempty(iface->vlan_bmap)) continue; /* We need to find the physical interfaces of this vlan, through bonds and bridges. */ log_debug("interfaces", "search physical interface for VLAN interface %s", iface->name); iface_append_vlan_to_lower(cfg, interfaces, iface, iface, 0); } } #endif /* Fill out chassis ID if not already done. Only physical interfaces are * considered. */ void interfaces_helper_chassis(struct lldpd *cfg, struct interfaces_device_list *interfaces) { struct interfaces_device *iface; struct lldpd_hardware *hardware; char *name = NULL; static u_int8_t zero_mac[] = { 0, 0, 0, 0, 0, 0 }; if (!cfg->g_config.c_cap_override) { LOCAL_CHASSIS(cfg)->c_cap_enabled &= ~(LLDP_CAP_BRIDGE | LLDP_CAP_WLAN | LLDP_CAP_STATION); TAILQ_FOREACH (iface, interfaces, next) { if (iface->type & IFACE_BRIDGE_T) LOCAL_CHASSIS(cfg)->c_cap_enabled |= LLDP_CAP_BRIDGE; if (iface->type & IFACE_WIRELESS_T) LOCAL_CHASSIS(cfg)->c_cap_enabled |= LLDP_CAP_WLAN; } if ((LOCAL_CHASSIS(cfg)->c_cap_available & LLDP_CAP_STATION) && (LOCAL_CHASSIS(cfg)->c_cap_enabled == 0)) LOCAL_CHASSIS(cfg)->c_cap_enabled = LLDP_CAP_STATION; } /* Do not modify the chassis if it's already set to a MAC address or if * it's set to a local address equal to the user-provided * configuration. */ if ((LOCAL_CHASSIS(cfg)->c_id != NULL && LOCAL_CHASSIS(cfg)->c_id_subtype == LLDP_CHASSISID_SUBTYPE_LLADDR) || cfg->g_config.c_cid_string != NULL) return; /* We already have one */ TAILQ_FOREACH (iface, interfaces, next) { if (!(iface->type & IFACE_PHYSICAL_T)) continue; if (cfg->g_config.c_cid_pattern && !pattern_match(iface->name, cfg->g_config.c_cid_pattern, 0)) continue; if ((hardware = lldpd_get_hardware(cfg, iface->name, iface->index)) == NULL) /* That's odd. Let's skip. */ continue; if (memcmp(hardware->h_lladdr, zero_mac, ETHER_ADDR_LEN) == 0) /* All-zero MAC address */ continue; name = malloc(ETHER_ADDR_LEN); if (!name) { log_warn("interfaces", "not enough memory for chassis ID"); return; } free(LOCAL_CHASSIS(cfg)->c_id); memcpy(name, hardware->h_lladdr, ETHER_ADDR_LEN); LOCAL_CHASSIS(cfg)->c_id = name; LOCAL_CHASSIS(cfg)->c_id_len = ETHER_ADDR_LEN; LOCAL_CHASSIS(cfg)->c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR; return; } } #undef IN_IS_ADDR_LOOPBACK #define IN_IS_ADDR_LOOPBACK(a) ((a)->s_addr == htonl(INADDR_LOOPBACK)) #undef IN_IS_ADDR_ANY #define IN_IS_ADDR_ANY(a) ((a)->s_addr == htonl(INADDR_ANY)) #undef IN_IS_ADDR_LINKLOCAL #define IN_IS_ADDR_LINKLOCAL(a) (((a)->s_addr & htonl(0xffff0000)) == htonl(0xa9fe0000)) #undef IN_IS_ADDR_GLOBAL #define IN_IS_ADDR_GLOBAL(a) \ (!IN_IS_ADDR_LOOPBACK(a) && !IN_IS_ADDR_ANY(a) && !IN_IS_ADDR_LINKLOCAL(a)) #undef IN6_IS_ADDR_GLOBAL #define IN6_IS_ADDR_GLOBAL(a) (!IN6_IS_ADDR_LOOPBACK(a) && !IN6_IS_ADDR_LINKLOCAL(a)) /* Add management addresses for the given family. We only take one of each address family, unless a pattern is provided and is not all negative. For example !*:*,!10.* will only deny addresses. We will pick the first IPv4 address not matching 10.*. */ static int interfaces_helper_mgmt_for_af(struct lldpd *cfg, int af, struct interfaces_address_list *addrs, struct interfaces_device_list *interfaces, int global, int allnegative) { struct interfaces_address *addr; struct interfaces_device *device; struct lldpd_mgmt *mgmt; char addrstrbuf[INET6_ADDRSTRLEN]; int found = 0; union lldpd_address in_addr; size_t in_addr_size; TAILQ_FOREACH (addr, addrs, next) { if (addr->address.ss_family != lldpd_af(af)) continue; switch (af) { case LLDPD_AF_IPV4: in_addr_size = sizeof(struct in_addr); memcpy(&in_addr, &((struct sockaddr_in *)&addr->address)->sin_addr, in_addr_size); if (global) { if (!IN_IS_ADDR_GLOBAL(&in_addr.inet)) continue; } else { if (!IN_IS_ADDR_LINKLOCAL(&in_addr.inet)) continue; } break; case LLDPD_AF_IPV6: in_addr_size = sizeof(struct in6_addr); memcpy(&in_addr, &((struct sockaddr_in6 *)&addr->address)->sin6_addr, in_addr_size); if (global) { if (!IN6_IS_ADDR_GLOBAL(&in_addr.inet6)) continue; } else { if (!IN6_IS_ADDR_LINKLOCAL(&in_addr.inet6)) continue; } break; default: assert(0); continue; } if (inet_ntop(lldpd_af(af), &in_addr, addrstrbuf, sizeof(addrstrbuf)) == NULL) { log_warn("interfaces", "unable to convert IP address to a string"); continue; } if (cfg->g_config.c_mgmt_pattern == NULL || /* Match on IP address */ pattern_match(addrstrbuf, cfg->g_config.c_mgmt_pattern, allnegative) || /* Match on interface name */ ((device = interfaces_indextointerface(interfaces, addr->index)) && pattern_match(device->name, cfg->g_config.c_mgmt_pattern, allnegative))) { mgmt = lldpd_alloc_mgmt(af, &in_addr, in_addr_size, addr->index); if (mgmt == NULL) { assert(errno == ENOMEM); /* anything else is a bug */ log_warn("interfaces", "out of memory error"); return found; } log_debug("interfaces", "add management address %s", addrstrbuf); TAILQ_INSERT_TAIL(&LOCAL_CHASSIS(cfg)->c_mgmt, mgmt, m_entries); found = 1; /* Don't take additional address if the pattern is all negative. */ if (allnegative) break; } } return found; } /* Find a management address in all available interfaces, even those that were already handled. This is a special interface handler because it does not really handle interface related information (management address is attached to the local chassis). */ void interfaces_helper_mgmt(struct lldpd *cfg, struct interfaces_address_list *addrs, struct interfaces_device_list *interfaces) { int allnegative = 0; int af; const char *pattern = cfg->g_config.c_mgmt_pattern; lldpd_chassis_mgmt_cleanup(LOCAL_CHASSIS(cfg)); if (!cfg->g_config.c_mgmt_advertise) return; /* Is the pattern provided an actual IP address? */ if (pattern && strpbrk(pattern, "!,*?") == NULL) { unsigned char addr[sizeof(struct in6_addr)]; size_t addr_size; struct lldpd_mgmt *mgmt; struct interfaces_address *ifaddr; for (af = LLDPD_AF_UNSPEC + 1; af != LLDPD_AF_LAST; af++) { switch (af) { case LLDPD_AF_IPV4: addr_size = sizeof(struct in_addr); break; case LLDPD_AF_IPV6: addr_size = sizeof(struct in6_addr); break; default: assert(0); } if (inet_pton(lldpd_af(af), pattern, addr) == 1) break; } if (af != LLDPD_AF_LAST) { /* Try to get the index if possible. */ TAILQ_FOREACH (ifaddr, addrs, next) { if (ifaddr->address.ss_family != lldpd_af(af)) continue; if (LLDPD_AF_IPV4 == af) { struct sockaddr_in *sa_sin; sa_sin = (struct sockaddr_in *)&ifaddr->address; if (0 == memcmp(addr, &(sa_sin->sin_addr), addr_size)) break; } else if (LLDPD_AF_IPV6 == af) { if (0 == memcmp(addr, &((struct sockaddr_in6 *)&ifaddr ->address) ->sin6_addr, addr_size)) break; } } mgmt = lldpd_alloc_mgmt(af, addr, addr_size, ifaddr ? ifaddr->index : 0); if (mgmt == NULL) { log_warn("interfaces", "out of memory error"); return; } log_debug("interfaces", "add exact management address %s", pattern); TAILQ_INSERT_TAIL(&LOCAL_CHASSIS(cfg)->c_mgmt, mgmt, m_entries); return; } /* else: could be an interface name */ } /* Is the pattern provided all negative? */ if (pattern == NULL) allnegative = 1; else if (pattern[0] == '!') { /* If each comma is followed by '!', its an all negative pattern */ const char *sep = pattern; while ((sep = strchr(sep, ',')) && (*(++sep) == '!')) ; if (sep == NULL) allnegative = 1; } /* Find management addresses */ for (af = LLDPD_AF_UNSPEC + 1; af != LLDPD_AF_LAST; af++) { (void)(interfaces_helper_mgmt_for_af(cfg, af, addrs, interfaces, 1, allnegative) || interfaces_helper_mgmt_for_af(cfg, af, addrs, interfaces, 0, allnegative)); } } /* Fill up port name and description */ void interfaces_helper_port_name_desc(struct lldpd *cfg, struct lldpd_hardware *hardware, struct interfaces_device *iface) { struct lldpd_port *port = &hardware->h_lport; /* We need to set the portid to what the client configured. This can be done from the CLI. */ int has_alias = (iface->alias != NULL && strlen(iface->alias) != 0 && strncmp("lldpd: ", iface->alias, 7)); int portid_type = cfg->g_config.c_lldp_portid_type; if (portid_type == LLDP_PORTID_SUBTYPE_IFNAME || (portid_type == LLDP_PORTID_SUBTYPE_UNKNOWN && has_alias) || (port->p_id_subtype == LLDP_PORTID_SUBTYPE_LOCAL && has_alias)) { if (port->p_id_subtype != LLDP_PORTID_SUBTYPE_LOCAL) { log_debug("interfaces", "use ifname for %s", hardware->h_ifname); port->p_id_subtype = LLDP_PORTID_SUBTYPE_IFNAME; port->p_id_len = strlen(hardware->h_ifname); free(port->p_id); if ((port->p_id = calloc(1, port->p_id_len)) == NULL) fatal("interfaces", NULL); memcpy(port->p_id, hardware->h_ifname, port->p_id_len); } if (port->p_descr_force == 0) { /* use the actual alias in the port description */ log_debug("interfaces", "using alias in description for %s", hardware->h_ifname); free(port->p_descr); if (has_alias) { port->p_descr = strdup(iface->alias); } else { /* We don't have anything else to put here and for CDP * with need something non-NULL */ port->p_descr = strdup(hardware->h_ifname); } } } else { if (port->p_id_subtype != LLDP_PORTID_SUBTYPE_LOCAL) { log_debug("interfaces", "use MAC address for %s", hardware->h_ifname); port->p_id_subtype = LLDP_PORTID_SUBTYPE_LLADDR; free(port->p_id); if ((port->p_id = calloc(1, ETHER_ADDR_LEN)) == NULL) fatal("interfaces", NULL); memcpy(port->p_id, hardware->h_lladdr, ETHER_ADDR_LEN); port->p_id_len = ETHER_ADDR_LEN; } if (port->p_descr_force == 0) { /* use the ifname in the port description until alias is set */ log_debug("interfaces", "using ifname in description for %s", hardware->h_ifname); free(port->p_descr); port->p_descr = strdup(hardware->h_ifname); } } } void interfaces_helper_add_hardware(struct lldpd *cfg, struct lldpd_hardware *hardware) { TRACE(LLDPD_INTERFACES_NEW(hardware->h_ifname)); TAILQ_INSERT_TAIL(&cfg->g_hardware, hardware, h_entries); } void interfaces_helper_physical(struct lldpd *cfg, struct interfaces_device_list *interfaces, struct lldpd_ops *ops, int (*init)(struct lldpd *, struct lldpd_hardware *)) { struct interfaces_device *iface; struct lldpd_hardware *hardware; int created; TAILQ_FOREACH (iface, interfaces, next) { if (!(iface->type & IFACE_PHYSICAL_T)) continue; if (iface->ignore) continue; log_debug("interfaces", "%s is an acceptable ethernet device", iface->name); created = 0; if ((hardware = lldpd_get_hardware(cfg, iface->name, iface->index)) == NULL) { if ((hardware = lldpd_alloc_hardware(cfg, iface->name, iface->index)) == NULL) { log_warnx("interfaces", "Unable to allocate space for %s", iface->name); continue; } created = 1; } if (hardware->h_flags) continue; if (hardware->h_ops != ops || hardware->h_ifindex_changed) { if (!created) { log_debug("interfaces", "interface %s is converted from another type of interface", hardware->h_ifname); if (hardware->h_ops && hardware->h_ops->cleanup) { hardware->h_ops->cleanup(cfg, hardware); levent_hardware_release(hardware); levent_hardware_init(hardware); } } if (init(cfg, hardware) != 0) { log_warnx("interfaces", "unable to initialize %s", hardware->h_ifname); lldpd_hardware_cleanup(cfg, hardware); continue; } hardware->h_ops = ops; hardware->h_mangle = (iface->upper && iface->upper->type & IFACE_BOND_T); } if (created) interfaces_helper_add_hardware(cfg, hardware); else lldpd_port_cleanup(&hardware->h_lport, 0); hardware->h_flags = iface->flags; /* Should be non-zero */ iface->ignore = 1; /* Future handlers don't have to care about this interface. */ /* Get local address */ memcpy(&hardware->h_lladdr, iface->address, ETHER_ADDR_LEN); /* Fill information about port */ interfaces_helper_port_name_desc(cfg, hardware, iface); /* Fill additional info */ hardware->h_mtu = iface->mtu ? iface->mtu : 1500; #ifdef ENABLE_DOT3 if (iface->upper && iface->upper->type & IFACE_BOND_T) hardware->h_lport.p_aggregid = iface->upper->index; else hardware->h_lport.p_aggregid = 0; #endif } } void interfaces_helper_promisc(struct lldpd *cfg, struct lldpd_hardware *hardware) { if (!cfg->g_config.c_promisc) return; if (priv_iface_promisc(hardware->h_ifname) != 0) { log_warnx("interfaces", "unable to enable promiscuous mode for %s", hardware->h_ifname); } } /** * Send the packet using the hardware function. Optionnaly mangle the MAC address. * * With bonds, we have duplicate MAC address on different physical * interfaces. We need to alter the source MAC address when we send on an * inactive slave. The `h_mangle` flah is used to know if we need to do * something like that. */ int interfaces_send_helper(struct lldpd *cfg, struct lldpd_hardware *hardware, char *buffer, size_t size) { if (size < 2 * ETHER_ADDR_LEN) { log_warnx("interfaces", "packet to send on %s is too small!", hardware->h_ifname); return 0; } if (hardware->h_mangle) { #define MAC_UL_ADMINISTERED_BIT_MASK 0x02 char *src_mac = buffer + ETHER_ADDR_LEN; char arbitrary[] = { 0x00, 0x60, 0x08, 0x69, 0x97, 0xef }; switch (cfg->g_config.c_bond_slave_src_mac_type) { case LLDP_BOND_SLAVE_SRC_MAC_TYPE_LOCALLY_ADMINISTERED: if (!(*src_mac & MAC_UL_ADMINISTERED_BIT_MASK)) { *src_mac |= MAC_UL_ADMINISTERED_BIT_MASK; break; } /* Fallback to fixed value */ memcpy(src_mac, arbitrary, ETHER_ADDR_LEN); break; case LLDP_BOND_SLAVE_SRC_MAC_TYPE_FIXED: memcpy(src_mac, arbitrary, ETHER_ADDR_LEN); break; case LLDP_BOND_SLAVE_SRC_MAC_TYPE_ZERO: memset(src_mac, 0, ETHER_ADDR_LEN); break; } } return hardware->h_ops->send(cfg, hardware, buffer, size); } lldpd-1.0.18/src/daemon/event.c0000644000076400001440000006241614532716672015503 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include "trace.h" #include #include #include #include #include #if defined(__clang__) # pragma clang diagnostic push # pragma clang diagnostic ignored "-Wdocumentation" #endif #include #include #include #if defined(__clang__) # pragma clang diagnostic pop #endif #define EVENT_BUFFER 1024 static void levent_log_cb(int severity, const char *msg) { switch (severity) { case _EVENT_LOG_DEBUG: log_debug("libevent", "%s", msg); break; case _EVENT_LOG_MSG: log_info("libevent", "%s", msg); break; case _EVENT_LOG_WARN: log_warnx("libevent", "%s", msg); break; case _EVENT_LOG_ERR: log_warnx("libevent", "%s", msg); break; } } struct lldpd_events { TAILQ_ENTRY(lldpd_events) next; struct event *ev; }; TAILQ_HEAD(ev_l, lldpd_events); #define levent_snmp_fds(cfg) ((struct ev_l *)(cfg)->g_snmp_fds) #define levent_hardware_fds(hardware) ((struct ev_l *)(hardware)->h_recv) #ifdef USE_SNMP # include # include # include # include /* Compatibility with older versions of NetSNMP */ # ifndef HAVE_SNMP_SELECT_INFO2 # define netsnmp_large_fd_set fd_set # define snmp_read2 snmp_read # define snmp_select_info2 snmp_select_info # define netsnmp_large_fd_set_init(...) # define netsnmp_large_fd_set_cleanup(...) # define NETSNMP_LARGE_FD_SET FD_SET # define NETSNMP_LARGE_FD_CLR FD_CLR # define NETSNMP_LARGE_FD_ZERO FD_ZERO # define NETSNMP_LARGE_FD_ISSET FD_ISSET # else # include # endif static void levent_snmp_update(struct lldpd *); /* * Callback function when we have something to read from SNMP. * * This function is called because we have a read event on one SNMP * file descriptor. When need to call snmp_read() on it. */ static void levent_snmp_read(evutil_socket_t fd, short what, void *arg) { struct lldpd *cfg = arg; netsnmp_large_fd_set fdset; (void)what; netsnmp_large_fd_set_init(&fdset, FD_SETSIZE); NETSNMP_LARGE_FD_ZERO(&fdset); NETSNMP_LARGE_FD_SET(fd, &fdset); snmp_read2(&fdset); levent_snmp_update(cfg); } /* * Callback function for a SNMP timeout. * * A SNMP timeout has occurred. Call `snmp_timeout()` to handle it. */ static void levent_snmp_timeout(evutil_socket_t fd, short what, void *arg) { struct lldpd *cfg = arg; (void)what; (void)fd; snmp_timeout(); run_alarms(); levent_snmp_update(cfg); } /* * Watch a new SNMP FD. * * @param base The libevent base we are working on. * @param fd The file descriptor we want to watch. * * The file descriptor is appended to the list of file descriptors we * want to watch. */ static void levent_snmp_add_fd(struct lldpd *cfg, int fd) { struct event_base *base = cfg->g_base; struct lldpd_events *snmpfd = calloc(1, sizeof(struct lldpd_events)); if (!snmpfd) { log_warn("event", "unable to allocate memory for new SNMP event"); return; } levent_make_socket_nonblocking(fd); if ((snmpfd->ev = event_new(base, fd, EV_READ | EV_PERSIST, levent_snmp_read, cfg)) == NULL) { log_warnx("event", "unable to allocate a new SNMP event for FD %d", fd); free(snmpfd); return; } if (event_add(snmpfd->ev, NULL) == -1) { log_warnx("event", "unable to schedule new SNMP event for FD %d", fd); event_free(snmpfd->ev); free(snmpfd); return; } TAILQ_INSERT_TAIL(levent_snmp_fds(cfg), snmpfd, next); } /* * Update SNMP event loop. * * New events are added and some other are removed. This function * should be called every time a SNMP event happens: either when * handling a SNMP packet, a SNMP timeout or when sending a SNMP * packet. This function will keep libevent in sync with NetSNMP. * * @param base The libevent base we are working on. */ static void levent_snmp_update(struct lldpd *cfg) { int maxfd = 0; int block = 1; struct timeval timeout; static int howmany = 0; int added = 0, removed = 0, current = 0; struct lldpd_events *snmpfd, *snmpfd_next; /* snmp_select_info() can be tricky to understand. We set `block` to 1 to means that we don't request a timeout. snmp_select_info() will reset `block` to 0 if it wants us to setup a timeout. In this timeout, `snmp_timeout()` should be invoked. Each FD in `fdset` will need to be watched for reading. If one of them become active, `snmp_read()` should be called on it. */ netsnmp_large_fd_set fdset; netsnmp_large_fd_set_init(&fdset, FD_SETSIZE); NETSNMP_LARGE_FD_ZERO(&fdset); snmp_select_info2(&maxfd, &fdset, &timeout, &block); /* We need to untrack any event whose FD is not in `fdset` anymore */ for (snmpfd = TAILQ_FIRST(levent_snmp_fds(cfg)); snmpfd; snmpfd = snmpfd_next) { snmpfd_next = TAILQ_NEXT(snmpfd, next); if (event_get_fd(snmpfd->ev) >= maxfd || (!NETSNMP_LARGE_FD_ISSET(event_get_fd(snmpfd->ev), &fdset))) { event_free(snmpfd->ev); TAILQ_REMOVE(levent_snmp_fds(cfg), snmpfd, next); free(snmpfd); removed++; } else { NETSNMP_LARGE_FD_CLR(event_get_fd(snmpfd->ev), &fdset); current++; } } /* Invariant: FD in `fdset` are not in list of FD */ for (int fd = 0; fd < maxfd; fd++) { if (NETSNMP_LARGE_FD_ISSET(fd, &fdset)) { levent_snmp_add_fd(cfg, fd); added++; } } current += added; if (howmany != current) { log_debug("event", "added %d events, removed %d events, total of %d events", added, removed, current); howmany = current; } /* If needed, handle timeout */ if (evtimer_add(cfg->g_snmp_timeout, block ? NULL : &timeout) == -1) log_warnx("event", "unable to schedule timeout function for SNMP"); netsnmp_large_fd_set_cleanup(&fdset); } #endif /* USE_SNMP */ struct lldpd_one_client { TAILQ_ENTRY(lldpd_one_client) next; struct lldpd *cfg; struct bufferevent *bev; int subscribed; /* Is this client subscribed to changes? */ }; TAILQ_HEAD(, lldpd_one_client) lldpd_clients; static void levent_ctl_free_client(struct lldpd_one_client *client) { if (client && client->bev) bufferevent_free(client->bev); if (client) { TAILQ_REMOVE(&lldpd_clients, client, next); free(client); } } static void levent_ctl_close_clients() { struct lldpd_one_client *client, *client_next; for (client = TAILQ_FIRST(&lldpd_clients); client; client = client_next) { client_next = TAILQ_NEXT(client, next); levent_ctl_free_client(client); } } static ssize_t levent_ctl_send(struct lldpd_one_client *client, int type, void *data, size_t len) { struct bufferevent *bev = client->bev; struct hmsg_header hdr = { .len = len, .type = type }; bufferevent_disable(bev, EV_WRITE); if (bufferevent_write(bev, &hdr, sizeof(struct hmsg_header)) == -1 || (len > 0 && bufferevent_write(bev, data, len) == -1)) { log_warnx("event", "unable to create answer to client"); levent_ctl_free_client(client); return -1; } bufferevent_enable(bev, EV_WRITE); return len; } void levent_ctl_notify(char *ifname, int state, struct lldpd_port *neighbor) { struct lldpd_one_client *client, *client_next; struct lldpd_neighbor_change neigh = { .ifname = ifname, .state = state, .neighbor = neighbor }; void *output = NULL; ssize_t output_len = 0; /* Don't use TAILQ_FOREACH, the client may be deleted in case of errors. */ log_debug("control", "notify clients of neighbor changes"); for (client = TAILQ_FIRST(&lldpd_clients); client; client = client_next) { client_next = TAILQ_NEXT(client, next); if (!client->subscribed) continue; if (output == NULL) { /* Ugly hack: we don't want to transmit a list of * ports. We patch the port to avoid this. */ TAILQ_ENTRY(lldpd_port) backup_p_entries; memcpy(&backup_p_entries, &neighbor->p_entries, sizeof(backup_p_entries)); memset(&neighbor->p_entries, 0, sizeof(backup_p_entries)); output_len = lldpd_neighbor_change_serialize(&neigh, &output); memcpy(&neighbor->p_entries, &backup_p_entries, sizeof(backup_p_entries)); if (output_len <= 0) { log_warnx("event", "unable to serialize changed neighbor"); return; } } levent_ctl_send(client, NOTIFICATION, output, output_len); } free(output); } static ssize_t levent_ctl_send_cb(void *out, int type, void *data, size_t len) { struct lldpd_one_client *client = out; return levent_ctl_send(client, type, data, len); } static void levent_ctl_recv(struct bufferevent *bev, void *ptr) { struct lldpd_one_client *client = ptr; struct evbuffer *buffer = bufferevent_get_input(bev); size_t buffer_len = evbuffer_get_length(buffer); struct hmsg_header hdr; void *data = NULL; log_debug("control", "receive data on Unix socket"); if (buffer_len < sizeof(struct hmsg_header)) return; /* Not enough data yet */ if (evbuffer_copyout(buffer, &hdr, sizeof(struct hmsg_header)) != sizeof(struct hmsg_header)) { log_warnx("event", "not able to read header"); return; } if (hdr.len > HMSG_MAX_SIZE) { log_warnx("event", "message received is too large"); goto recv_error; } if (buffer_len < hdr.len + sizeof(struct hmsg_header)) return; /* Not enough data yet */ if (hdr.len > 0 && (data = malloc(hdr.len)) == NULL) { log_warnx("event", "not enough memory"); goto recv_error; } evbuffer_drain(buffer, sizeof(struct hmsg_header)); if (hdr.len > 0) evbuffer_remove(buffer, data, hdr.len); /* Currently, we should not receive notification acknowledgment. But if * we receive one, we can discard it. */ if (hdr.len == 0 && hdr.type == NOTIFICATION) return; if (client_handle_client(client->cfg, levent_ctl_send_cb, client, hdr.type, data, hdr.len, &client->subscribed) == -1) goto recv_error; free(data); return; recv_error: free(data); levent_ctl_free_client(client); } static void levent_ctl_event(struct bufferevent *bev, short events, void *ptr) { struct lldpd_one_client *client = ptr; if (events & BEV_EVENT_ERROR) { log_warnx("event", "an error occurred with client: %s", evutil_socket_error_to_string(EVUTIL_SOCKET_ERROR())); levent_ctl_free_client(client); } else if (events & BEV_EVENT_EOF) { log_debug("event", "client has been disconnected"); levent_ctl_free_client(client); } } static void levent_ctl_accept(evutil_socket_t fd, short what, void *arg) { struct lldpd *cfg = arg; struct lldpd_one_client *client = NULL; int s; (void)what; log_debug("control", "accept a new connection"); if ((s = accept(fd, NULL, NULL)) == -1) { log_warn("event", "unable to accept connection from socket"); return; } client = calloc(1, sizeof(struct lldpd_one_client)); if (!client) { log_warnx("event", "unable to allocate memory for new client"); close(s); goto accept_failed; } client->cfg = cfg; levent_make_socket_nonblocking(s); TAILQ_INSERT_TAIL(&lldpd_clients, client, next); if ((client->bev = bufferevent_socket_new(cfg->g_base, s, BEV_OPT_CLOSE_ON_FREE)) == NULL) { log_warnx("event", "unable to allocate a new buffer event for new client"); close(s); goto accept_failed; } bufferevent_setcb(client->bev, levent_ctl_recv, NULL, levent_ctl_event, client); bufferevent_enable(client->bev, EV_READ | EV_WRITE); log_debug("event", "new client accepted"); /* coverity[leaked_handle] s has been saved by bufferevent_socket_new */ return; accept_failed: levent_ctl_free_client(client); } static void levent_priv(evutil_socket_t fd, short what, void *arg) { struct event_base *base = arg; ssize_t n; int err; char one; (void)what; /* Check if we have some data available. We need to pass the socket in * non-blocking mode to be able to run the check without disruption. */ levent_make_socket_nonblocking(fd); n = read(fd, &one, 1); err = errno; levent_make_socket_blocking(fd); switch (n) { case -1: if (err == EAGAIN || err == EWOULDBLOCK) /* No data, all good */ return; log_warnx("event", "unable to poll monitor process, exit"); break; case 0: log_warnx("event", "monitor process has terminated, exit"); break; default: /* This is a bit unsafe as we are now out-of-sync with the * monitor. It would be safer to request 0 byte, but some OS * (illumos) seem to take the shortcut that by asking 0 byte, * we can just return 0 byte. */ log_warnx("event", "received unexpected data from monitor process, exit"); break; } event_base_loopbreak(base); } static void levent_dump(evutil_socket_t fd, short what, void *arg) { struct event_base *base = arg; (void)fd; (void)what; log_debug("event", "dumping all events"); event_base_dump_events(base, stderr); } static void levent_stop(evutil_socket_t fd, short what, void *arg) { struct event_base *base = arg; (void)fd; (void)what; event_base_loopbreak(base); } static void levent_update_and_send(evutil_socket_t fd, short what, void *arg) { struct lldpd *cfg = arg; struct timeval tv; long interval_ms = cfg->g_config.c_tx_interval; (void)fd; (void)what; lldpd_loop(cfg); if (cfg->g_iface_event != NULL) interval_ms *= 20; if (interval_ms < 30000) interval_ms = 30000; tv.tv_sec = interval_ms / 1000; tv.tv_usec = (interval_ms % 1000) * 1000; event_add(cfg->g_main_loop, &tv); } void levent_update_now(struct lldpd *cfg) { if (cfg->g_main_loop) event_active(cfg->g_main_loop, EV_TIMEOUT, 1); } void levent_send_now(struct lldpd *cfg) { struct lldpd_hardware *hardware; TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) { if (hardware->h_timer) event_active(hardware->h_timer, EV_TIMEOUT, 1); else log_warnx("event", "BUG: no timer present for interface %s", hardware->h_ifname); } } static void levent_init(struct lldpd *cfg) { /* Setup libevent */ log_debug("event", "initialize libevent"); event_set_log_callback(levent_log_cb); if (!(cfg->g_base = event_base_new())) fatalx("event", "unable to create a new libevent base"); log_info("event", "libevent %s initialized with %s method", event_get_version(), event_base_get_method(cfg->g_base)); /* Setup SNMP */ #ifdef USE_SNMP if (cfg->g_snmp) { agent_init(cfg, cfg->g_snmp_agentx); cfg->g_snmp_timeout = evtimer_new(cfg->g_base, levent_snmp_timeout, cfg); if (!cfg->g_snmp_timeout) fatalx("event", "unable to setup timeout function for SNMP"); if ((cfg->g_snmp_fds = malloc(sizeof(struct ev_l))) == NULL) fatalx("event", "unable to allocate memory for SNMP events"); TAILQ_INIT(levent_snmp_fds(cfg)); } #endif /* Setup loop that will run every X seconds. */ log_debug("event", "register loop timer"); if (!(cfg->g_main_loop = event_new(cfg->g_base, -1, 0, levent_update_and_send, cfg))) fatalx("event", "unable to setup main timer"); event_active(cfg->g_main_loop, EV_TIMEOUT, 1); /* Setup unix socket */ struct event *ctl_event; log_debug("event", "register Unix socket"); TAILQ_INIT(&lldpd_clients); levent_make_socket_nonblocking(cfg->g_ctl); if ((ctl_event = event_new(cfg->g_base, cfg->g_ctl, EV_READ | EV_PERSIST, levent_ctl_accept, cfg)) == NULL) fatalx("event", "unable to setup control socket event"); event_add(ctl_event, NULL); /* Somehow monitor the monitor process */ struct event *monitor_event; log_debug("event", "monitor the monitor process"); if ((monitor_event = event_new(cfg->g_base, priv_fd(PRIV_UNPRIVILEGED), EV_READ | EV_PERSIST, levent_priv, cfg->g_base)) == NULL) fatalx("event", "unable to monitor monitor process"); event_add(monitor_event, NULL); /* Signals */ log_debug("event", "register signals"); evsignal_add(evsignal_new(cfg->g_base, SIGUSR1, levent_dump, cfg->g_base), NULL); evsignal_add(evsignal_new(cfg->g_base, SIGINT, levent_stop, cfg->g_base), NULL); evsignal_add(evsignal_new(cfg->g_base, SIGTERM, levent_stop, cfg->g_base), NULL); } /* Initialize libevent and start the event loop */ void levent_loop(struct lldpd *cfg) { levent_init(cfg); lldpd_loop(cfg); #ifdef USE_SNMP if (cfg->g_snmp) levent_snmp_update(cfg); #endif /* libevent loop */ do { TRACE(LLDPD_EVENT_LOOP()); if (event_base_got_break(cfg->g_base) || event_base_got_exit(cfg->g_base)) break; } while (event_base_loop(cfg->g_base, EVLOOP_ONCE) == 0); if (cfg->g_iface_timer_event != NULL) event_free(cfg->g_iface_timer_event); #ifdef USE_SNMP if (cfg->g_snmp) agent_shutdown(); #endif /* USE_SNMP */ levent_ctl_close_clients(); } /* Release libevent resources */ void levent_shutdown(struct lldpd *cfg) { if (cfg->g_iface_event) event_free(cfg->g_iface_event); if (cfg->g_cleanup_timer) event_free(cfg->g_cleanup_timer); event_base_free(cfg->g_base); } static void levent_hardware_recv(evutil_socket_t fd, short what, void *arg) { struct lldpd_hardware *hardware = arg; struct lldpd *cfg = hardware->h_cfg; (void)what; log_debug("event", "received something for %s", hardware->h_ifname); lldpd_recv(cfg, hardware, fd); levent_schedule_cleanup(cfg); } void levent_hardware_init(struct lldpd_hardware *hardware) { log_debug("event", "initialize events for %s", hardware->h_ifname); if ((hardware->h_recv = malloc(sizeof(struct ev_l))) == NULL) { log_warnx("event", "unable to allocate memory for %s", hardware->h_ifname); return; } TAILQ_INIT(levent_hardware_fds(hardware)); } void levent_hardware_add_fd(struct lldpd_hardware *hardware, int fd) { struct lldpd_events *hfd = NULL; if (!hardware->h_recv) return; hfd = calloc(1, sizeof(struct lldpd_events)); if (!hfd) { log_warnx("event", "unable to allocate new event for %s", hardware->h_ifname); return; } levent_make_socket_nonblocking(fd); if ((hfd->ev = event_new(hardware->h_cfg->g_base, fd, EV_READ | EV_PERSIST, levent_hardware_recv, hardware)) == NULL) { log_warnx("event", "unable to allocate a new event for %s", hardware->h_ifname); free(hfd); return; } if (event_add(hfd->ev, NULL) == -1) { log_warnx("event", "unable to schedule new event for %s", hardware->h_ifname); event_free(hfd->ev); free(hfd); return; } TAILQ_INSERT_TAIL(levent_hardware_fds(hardware), hfd, next); } void levent_hardware_release(struct lldpd_hardware *hardware) { struct lldpd_events *ev, *ev_next; if (hardware->h_timer) { event_free(hardware->h_timer); hardware->h_timer = NULL; } if (!hardware->h_recv) return; log_debug("event", "release events for %s", hardware->h_ifname); for (ev = TAILQ_FIRST(levent_hardware_fds(hardware)); ev; ev = ev_next) { ev_next = TAILQ_NEXT(ev, next); /* We may close several time the same FD. This is harmless. */ close(event_get_fd(ev->ev)); event_free(ev->ev); TAILQ_REMOVE(levent_hardware_fds(hardware), ev, next); free(ev); } free(levent_hardware_fds(hardware)); } static void levent_iface_trigger(evutil_socket_t fd, short what, void *arg) { struct lldpd *cfg = arg; log_debug("event", "triggering update of all interfaces"); lldpd_update_localports(cfg); } static void levent_iface_recv(evutil_socket_t fd, short what, void *arg) { struct lldpd *cfg = arg; char buffer[EVENT_BUFFER]; int n; if (cfg->g_iface_cb == NULL) { /* Discard the message */ while (1) { n = read(fd, buffer, sizeof(buffer)); if (n == -1 && (errno == EWOULDBLOCK || errno == EAGAIN)) break; if (n == -1) { log_warn("event", "unable to receive interface change notification message"); return; } if (n == 0) { log_warnx("event", "end of file reached while getting interface change notification message"); return; } } } else { cfg->g_iface_cb(cfg); } /* Schedule local port update. We don't run it right away because we may * receive a batch of events like this. */ struct timeval one_sec = { 1, 0 }; TRACE(LLDPD_INTERFACES_NOTIFICATION()); log_debug("event", "received notification change, schedule an update of all interfaces in one second"); if (cfg->g_iface_timer_event == NULL) { if ((cfg->g_iface_timer_event = evtimer_new(cfg->g_base, levent_iface_trigger, cfg)) == NULL) { log_warnx("event", "unable to create a new event to trigger interface update"); return; } } if (evtimer_add(cfg->g_iface_timer_event, &one_sec) == -1) { log_warnx("event", "unable to schedule interface updates"); return; } } int levent_iface_subscribe(struct lldpd *cfg, int socket) { log_debug("event", "subscribe to interface changes from socket %d", socket); levent_make_socket_nonblocking(socket); cfg->g_iface_event = event_new(cfg->g_base, socket, EV_READ | EV_PERSIST, levent_iface_recv, cfg); if (cfg->g_iface_event == NULL) { log_warnx("event", "unable to allocate a new event for interface changes"); return -1; } if (event_add(cfg->g_iface_event, NULL) == -1) { log_warnx("event", "unable to schedule new interface changes event"); event_free(cfg->g_iface_event); cfg->g_iface_event = NULL; return -1; } return 0; } static void levent_trigger_cleanup(evutil_socket_t fd, short what, void *arg) { struct lldpd *cfg = arg; lldpd_cleanup(cfg); } void levent_schedule_cleanup(struct lldpd *cfg) { log_debug("event", "schedule next cleanup"); if (cfg->g_cleanup_timer != NULL) { event_free(cfg->g_cleanup_timer); } cfg->g_cleanup_timer = evtimer_new(cfg->g_base, levent_trigger_cleanup, cfg); if (cfg->g_cleanup_timer == NULL) { log_warnx("event", "unable to allocate a new event for cleanup tasks"); return; } /* Compute the next TTL event */ struct timeval tv = { cfg->g_config.c_ttl, 0 }; time_t now = time(NULL); time_t next; struct lldpd_hardware *hardware; struct lldpd_port *port; TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) { TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (now >= port->p_lastupdate + port->p_ttl) { tv.tv_sec = 0; log_debug("event", "immediate cleanup on port %s (%lld, %d, %lld)", hardware->h_ifname, (long long)now, port->p_ttl, (long long)port->p_lastupdate); break; } next = port->p_ttl - (now - port->p_lastupdate); if (next < tv.tv_sec) tv.tv_sec = next; } } log_debug("event", "next cleanup in %ld seconds", (long)tv.tv_sec); if (event_add(cfg->g_cleanup_timer, &tv) == -1) { log_warnx("event", "unable to schedule cleanup task"); event_free(cfg->g_cleanup_timer); cfg->g_cleanup_timer = NULL; return; } } static void levent_send_pdu(evutil_socket_t fd, short what, void *arg) { struct lldpd_hardware *hardware = arg; int tx_interval = hardware->h_cfg->g_config.c_tx_interval; log_debug("event", "trigger sending PDU for port %s", hardware->h_ifname); lldpd_send(hardware); #ifdef ENABLE_LLDPMED if (hardware->h_tx_fast > 0) hardware->h_tx_fast--; if (hardware->h_tx_fast > 0) tx_interval = hardware->h_cfg->g_config.c_tx_fast_interval * 1000; #endif struct timeval tv; tv.tv_sec = tx_interval / 1000; tv.tv_usec = (tx_interval % 1000) * 1000; if (event_add(hardware->h_timer, &tv) == -1) { log_warnx("event", "unable to re-register timer event for port %s", hardware->h_ifname); event_free(hardware->h_timer); hardware->h_timer = NULL; return; } } void levent_schedule_pdu(struct lldpd_hardware *hardware) { log_debug("event", "schedule sending PDU on %s", hardware->h_ifname); if (hardware->h_timer == NULL) { hardware->h_timer = evtimer_new(hardware->h_cfg->g_base, levent_send_pdu, hardware); if (hardware->h_timer == NULL) { log_warnx("event", "unable to schedule PDU sending for port %s", hardware->h_ifname); return; } } struct timeval tv = { 0, 0 }; if (event_add(hardware->h_timer, &tv) == -1) { log_warnx("event", "unable to register timer event for port %s", hardware->h_ifname); event_free(hardware->h_timer); hardware->h_timer = NULL; return; } } int levent_make_socket_nonblocking(int fd) { int flags; if ((flags = fcntl(fd, F_GETFL, NULL)) < 0) { log_warn("event", "fcntl(%d, F_GETFL)", fd); return -1; } if (flags & O_NONBLOCK) return 0; if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1) { log_warn("event", "fcntl(%d, F_SETFL)", fd); return -1; } return 0; } int levent_make_socket_blocking(int fd) { int flags; if ((flags = fcntl(fd, F_GETFL, NULL)) < 0) { log_warn("event", "fcntl(%d, F_GETFL)", fd); return -1; } if (!(flags & O_NONBLOCK)) return 0; if (fcntl(fd, F_SETFL, flags & ~O_NONBLOCK) == -1) { log_warn("event", "fcntl(%d, F_SETFL)", fd); return -1; } return 0; } #ifdef HOST_OS_LINUX /* Receive and log error from a socket when there is suspicion of an error. */ void levent_recv_error(int fd, const char *source) { do { ssize_t n; char buf[1024] = {}; struct msghdr msg = { .msg_control = buf, .msg_controllen = sizeof(buf) }; if ((n = recvmsg(fd, &msg, MSG_ERRQUEUE | MSG_DONTWAIT)) <= 0) { return; } struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg); if (cmsg == NULL) log_warnx("event", "received unknown error on %s", source); else log_warnx("event", "received error (level=%d/type=%d) on %s", cmsg->cmsg_level, cmsg->cmsg_type, source); } while (1); } #endif lldpd-1.0.18/src/daemon/agent.c0000644000076400001440000017435514532716672015466 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #include "agent.h" #if HAVE_NET_SNMP_AGENT_UTIL_FUNCS_H # include #else /* The above header may be buggy. We just need this function. */ int header_generic(struct variable *, oid *, size_t *, int, size_t *, WriteMethod **); #endif /* For net-snmp */ extern int register_sysORTable(oid *, size_t, const char *); extern int unregister_sysORTable(oid *, size_t); /* Global variable because no way to pass it as argument. Should not be used * elsewhere. */ #define scfg agent_scfg struct lldpd *agent_scfg; static uint8_t swap_bits(uint8_t n) { n = ((n & 0xF0) >> 4) | ((n & 0x0F) << 4); n = ((n & 0xCC) >> 2) | ((n & 0x33) << 2); n = ((n & 0xAA) >> 1) | ((n & 0x55) << 1); return n; }; extern struct timeval starttime; static long int lastchange(struct lldpd_port *port) { if (port->p_lastchange > starttime.tv_sec) return (port->p_lastchange - starttime.tv_sec) * 100; return 0; } /* ------------- Helper functions to build header_*indexed_table() functions. Those functions keep an internal state. They are not reentrant! */ struct header_index { struct variable *vp; oid *name; /* Requested/returned OID */ size_t *length; /* Length of above OID */ int exact; oid best[MAX_OID_LEN]; /* Best OID */ size_t best_len; /* Best OID length */ void *entity; /* Best entity */ }; static struct header_index header_idx; static int header_index_init(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { /* If the requested OID name is less than OID prefix we handle, adjust it to our prefix. */ if ((snmp_oid_compare(name, *length, vp->name, vp->namelen)) < 0) { memcpy(name, vp->name, sizeof(oid) * vp->namelen); *length = vp->namelen; } /* Now, we can only handle OID matching our prefix. Those two tests are not really necessary since NetSNMP won't give us OID "above" our prefix. But this makes unit tests easier. */ if (*length < vp->namelen) return 0; if (memcmp(name, vp->name, vp->namelen * sizeof(oid))) return 0; if (write_method != NULL) *write_method = 0; *var_len = sizeof(long); /* Initialize our header index structure */ header_idx.vp = vp; header_idx.name = name; header_idx.length = length; header_idx.exact = exact; header_idx.best_len = 0; header_idx.entity = NULL; return 1; } static int header_index_add(oid *index, size_t len, void *entity) { int result; oid *target; size_t target_len; target = header_idx.name + header_idx.vp->namelen; target_len = *header_idx.length - header_idx.vp->namelen; if ((result = snmp_oid_compare(index, len, target, target_len)) < 0) return 0; /* Too small. */ if (result == 0) return header_idx.exact; if (header_idx.best_len == 0 || (snmp_oid_compare(index, len, header_idx.best, header_idx.best_len) < 0)) { memcpy(header_idx.best, index, sizeof(oid) * len); header_idx.best_len = len; header_idx.entity = entity; } return 0; /* No best match yet. */ } static void * header_index_best() { if (header_idx.entity == NULL) return NULL; if (header_idx.exact) return NULL; memcpy(header_idx.name + header_idx.vp->namelen, header_idx.best, sizeof(oid) * header_idx.best_len); *header_idx.length = header_idx.vp->namelen + header_idx.best_len; return header_idx.entity; } /* ----------------------------- */ static struct lldpd_hardware * header_portindexed_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_hardware *hardware; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { oid index[1] = { hardware->h_ifindex }; if (header_index_add(index, 1, hardware)) return hardware; } return header_index_best(); } #ifdef ENABLE_LLDPMED static struct lldpd_med_policy * header_pmedindexed_policy_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_hardware *hardware; int i; oid index[2]; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { for (i = 0; i < LLDP_MED_APPTYPE_LAST; i++) { if (hardware->h_lport.p_med_policy[i].type != i + 1) continue; index[0] = hardware->h_ifindex; index[1] = i + 1; if (header_index_add(index, 2, &hardware->h_lport.p_med_policy[i])) return &hardware->h_lport.p_med_policy[i]; } } return header_index_best(); } static struct lldpd_med_loc * header_pmedindexed_location_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_hardware *hardware; int i; oid index[2]; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { for (i = 0; i < LLDP_MED_LOCFORMAT_LAST; i++) { if (hardware->h_lport.p_med_location[i].format != i + 1) continue; index[0] = hardware->h_ifindex; index[1] = i + 2; if (header_index_add(index, 2, &hardware->h_lport.p_med_location[i])) return &hardware->h_lport.p_med_location[i]; } } return header_index_best(); } #endif static struct lldpd_port * header_tprindexed_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method, int withmed) { struct lldpd_hardware *hardware; struct lldpd_port *port; oid index[3]; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (SMART_HIDDEN(port)) continue; #ifdef ENABLE_LLDPMED if (withmed && !port->p_chassis->c_med_cap_available) continue; #endif index[0] = lastchange(port); index[1] = hardware->h_ifindex; index[2] = port->p_chassis->c_index; if (header_index_add(index, 3, port)) return port; } } return header_index_best(); } static struct lldpd_mgmt * header_ipindexed_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_chassis *chassis = LOCAL_CHASSIS(scfg); struct lldpd_mgmt *mgmt; oid index[2 + 16]; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (mgmt, &chassis->c_mgmt, m_entries) { int i; switch (mgmt->m_family) { case LLDPD_AF_IPV4: index[0] = 1; break; case LLDPD_AF_IPV6: index[0] = 2; break; default: assert(0); } index[1] = mgmt->m_addrsize; if (index[1] > sizeof(index) - 2) continue; /* Odd... */ for (i = 0; i < index[1]; i++) index[i + 2] = mgmt->m_addr.octets[i]; if (header_index_add(index, 2 + index[1], mgmt)) return mgmt; } return header_index_best(); } static struct lldpd_mgmt * header_tpripindexed_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_hardware *hardware; struct lldpd_port *port; struct lldpd_mgmt *mgmt; oid index[5 + 16]; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (SMART_HIDDEN(port)) continue; TAILQ_FOREACH (mgmt, &port->p_chassis->c_mgmt, m_entries) { int i; index[0] = lastchange(port); index[1] = hardware->h_ifindex; index[2] = port->p_chassis->c_index; switch (mgmt->m_family) { case LLDPD_AF_IPV4: index[3] = 1; break; case LLDPD_AF_IPV6: index[3] = 2; break; default: assert(0); } index[4] = mgmt->m_addrsize; if (index[4] > sizeof(index) - 5) continue; /* Odd... */ for (i = 0; i < index[4]; i++) index[i + 5] = mgmt->m_addr.octets[i]; if (header_index_add(index, 5 + index[4], mgmt)) return mgmt; } } } return header_index_best(); } #ifdef ENABLE_CUSTOM static struct lldpd_custom * header_tprcustomindexed_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_hardware *hardware; struct lldpd_port *port; struct lldpd_custom *custom; oid index[8]; oid idx; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (SMART_HIDDEN(port)) continue; idx = 1; TAILQ_FOREACH (custom, &port->p_custom_list, next) { index[0] = lastchange(port); index[1] = hardware->h_ifindex; index[2] = port->p_chassis->c_index; index[3] = custom->oui[0]; index[4] = custom->oui[1]; index[5] = custom->oui[2]; index[6] = custom->subtype; index[7] = idx++; if (header_index_add(index, 8, custom)) return custom; } } } return header_index_best(); } #endif #ifdef ENABLE_LLDPMED # define TPR_VARIANT_MED_POLICY 2 # define TPR_VARIANT_MED_LOCATION 3 static void * header_tprmedindexed_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method, int variant) { struct lldpd_hardware *hardware; struct lldpd_port *port; int j; oid index[4]; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (SMART_HIDDEN(port)) continue; if (!port->p_chassis->c_med_cap_available) continue; switch (variant) { case TPR_VARIANT_MED_POLICY: for (j = 0; j < LLDP_MED_APPTYPE_LAST; j++) { if (port->p_med_policy[j].type != j + 1) continue; index[0] = lastchange(port); index[1] = hardware->h_ifindex; index[2] = port->p_chassis->c_index; index[3] = j + 1; if (header_index_add(index, 4, &port->p_med_policy[j])) return &port->p_med_policy[j]; } break; case TPR_VARIANT_MED_LOCATION: for (j = 0; j < LLDP_MED_LOCFORMAT_LAST; j++) { if (port->p_med_location[j].format != j + 1) continue; index[0] = lastchange(port); index[1] = hardware->h_ifindex; index[2] = port->p_chassis->c_index; index[3] = j + 2; if (header_index_add(index, 4, &port->p_med_location[j])) return &port->p_med_location[j]; } break; } } } return header_index_best(); } #endif #ifdef ENABLE_DOT1 static struct lldpd_vlan * header_pvindexed_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_hardware *hardware; struct lldpd_vlan *vlan; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { TAILQ_FOREACH (vlan, &hardware->h_lport.p_vlans, v_entries) { oid index[2] = { hardware->h_ifindex, vlan->v_vid }; if (header_index_add(index, 2, vlan)) return vlan; } } return header_index_best(); } static struct lldpd_vlan * header_tprvindexed_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_hardware *hardware; struct lldpd_port *port; struct lldpd_vlan *vlan; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (SMART_HIDDEN(port)) continue; TAILQ_FOREACH (vlan, &port->p_vlans, v_entries) { oid index[4] = { lastchange(port), hardware->h_ifindex, port->p_chassis->c_index, vlan->v_vid }; if (header_index_add(index, 4, vlan)) return vlan; } } } return header_index_best(); } static struct lldpd_ppvid * header_pppvidindexed_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_hardware *hardware; struct lldpd_ppvid *ppvid; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { TAILQ_FOREACH (ppvid, &hardware->h_lport.p_ppvids, p_entries) { oid index[2] = { hardware->h_ifindex, ppvid->p_ppvid }; if (header_index_add(index, 2, ppvid)) return ppvid; } } return header_index_best(); } static struct lldpd_ppvid * header_tprppvidindexed_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_hardware *hardware; struct lldpd_port *port; struct lldpd_ppvid *ppvid; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (SMART_HIDDEN(port)) continue; TAILQ_FOREACH (ppvid, &port->p_ppvids, p_entries) { oid index[4] = { lastchange(port), hardware->h_ifindex, port->p_chassis->c_index, ppvid->p_ppvid }; if (header_index_add(index, 4, ppvid)) return ppvid; } } } return header_index_best(); } static struct lldpd_pi * header_ppiindexed_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_hardware *hardware; struct lldpd_pi *pi; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { TAILQ_FOREACH (pi, &hardware->h_lport.p_pids, p_entries) { oid index[2] = { hardware->h_ifindex, frame_checksum((const u_char *)pi->p_pi, pi->p_pi_len, 0) }; if (header_index_add(index, 2, pi)) return pi; } } return header_index_best(); } static struct lldpd_pi * header_tprpiindexed_table(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_hardware *hardware; struct lldpd_port *port; struct lldpd_pi *pi; if (!header_index_init(vp, name, length, exact, var_len, write_method)) return NULL; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (SMART_HIDDEN(port)) continue; TAILQ_FOREACH (pi, &port->p_pids, p_entries) { oid index[4] = { lastchange(port), hardware->h_ifindex, port->p_chassis->c_index, frame_checksum((const u_char *)pi->p_pi, pi->p_pi_len, 0) }; if (header_index_add(index, 4, pi)) return pi; } } } return header_index_best(); } #endif /* Scalars */ #define LLDP_SNMP_TXINTERVAL 1 #define LLDP_SNMP_TXMULTIPLIER 2 #define LLDP_SNMP_REINITDELAY 3 #define LLDP_SNMP_TXDELAY 4 #define LLDP_SNMP_NOTIFICATION 5 #define LLDP_SNMP_LASTUPDATE 6 #define LLDP_SNMP_STATS_INSERTS 7 #define LLDP_SNMP_STATS_DELETES 8 #define LLDP_SNMP_STATS_DROPS 9 #define LLDP_SNMP_STATS_AGEOUTS 10 /* Chassis */ #define LLDP_SNMP_CIDSUBTYPE 1 #define LLDP_SNMP_CID 2 #define LLDP_SNMP_SYSNAME 3 #define LLDP_SNMP_SYSDESCR 4 #define LLDP_SNMP_SYSCAP_SUP 5 #define LLDP_SNMP_SYSCAP_ENA 6 /* Stats */ #define LLDP_SNMP_STATS_TX 2 #define LLDP_SNMP_STATS_RX_DISCARDED 4 #define LLDP_SNMP_STATS_RX_ERRORS 5 #define LLDP_SNMP_STATS_RX 6 #define LLDP_SNMP_STATS_RX_TLVDISCARDED 7 #define LLDP_SNMP_STATS_RX_TLVUNRECOGNIZED 8 #define LLDP_SNMP_STATS_RX_AGEOUTS 9 /* Ports */ #define LLDP_SNMP_PIDSUBTYPE 2 #define LLDP_SNMP_PID 3 #define LLDP_SNMP_PORTDESC 4 #define LLDP_SNMP_DOT3_AUTONEG_SUPPORT 5 #define LLDP_SNMP_DOT3_AUTONEG_ENABLED 6 #define LLDP_SNMP_DOT3_AUTONEG_ADVERTISED 7 #define LLDP_SNMP_DOT3_AUTONEG_MAU 8 #define LLDP_SNMP_DOT3_AGG_STATUS 9 #define LLDP_SNMP_DOT3_AGG_ID 10 #define LLDP_SNMP_DOT3_MFS 11 #define LLDP_SNMP_DOT3_POWER_DEVICETYPE 12 #define LLDP_SNMP_DOT3_POWER_SUPPORT 13 #define LLDP_SNMP_DOT3_POWER_ENABLED 14 #define LLDP_SNMP_DOT3_POWER_PAIRCONTROL 15 #define LLDP_SNMP_DOT3_POWER_PAIRS 16 #define LLDP_SNMP_DOT3_POWER_CLASS 17 #define LLDP_SNMP_DOT3_POWER_TYPE 18 #define LLDP_SNMP_DOT3_POWER_SOURCE 19 #define LLDP_SNMP_DOT3_POWER_PRIORITY 20 #define LLDP_SNMP_DOT3_POWER_REQUESTED 21 #define LLDP_SNMP_DOT3_POWER_ALLOCATED 22 #define LLDP_SNMP_DOT1_PVID 23 /* Vlans */ #define LLDP_SNMP_DOT1_VLANNAME 1 /* Protocol VLAN IDs */ #define LLDP_SNMP_DOT1_PPVLAN_SUPPORTED 2 #define LLDP_SNMP_DOT1_PPVLAN_ENABLED 3 /* Protocol Identity */ #define LLDP_SNMP_DOT1_PI 1 /* Management address */ #define LLDP_SNMP_ADDR_LEN 1 #define LLDP_SNMP_ADDR_IFSUBTYPE 2 #define LLDP_SNMP_ADDR_IFID 3 #define LLDP_SNMP_ADDR_OID 4 /* Custom TLVs */ #define LLDP_SNMP_ORG_DEF_INFO 1 /* LLDP-MED */ #define LLDP_SNMP_MED_CAP_AVAILABLE 1 #define LLDP_SNMP_MED_CAP_ENABLED 2 #define LLDP_SNMP_MED_CLASS 3 #define LLDP_SNMP_MED_HW 4 #define LLDP_SNMP_MED_FW 5 #define LLDP_SNMP_MED_SW 6 #define LLDP_SNMP_MED_SN 7 #define LLDP_SNMP_MED_MANUF 8 #define LLDP_SNMP_MED_MODEL 9 #define LLDP_SNMP_MED_ASSET 10 #define LLDP_SNMP_MED_POLICY_VID 11 #define LLDP_SNMP_MED_POLICY_PRIO 12 #define LLDP_SNMP_MED_POLICY_DSCP 13 #define LLDP_SNMP_MED_POLICY_UNKNOWN 14 #define LLDP_SNMP_MED_POLICY_TAGGED 15 #define LLDP_SNMP_MED_LOCATION 16 #define LLDP_SNMP_MED_POE_DEVICETYPE 17 #define LLDP_SNMP_MED_POE_PSE_POWERVAL 19 #define LLDP_SNMP_MED_POE_PSE_POWERSOURCE 20 #define LLDP_SNMP_MED_POE_PSE_POWERPRIORITY 21 #define LLDP_SNMP_MED_POE_PD_POWERVAL 22 #define LLDP_SNMP_MED_POE_PD_POWERSOURCE 23 #define LLDP_SNMP_MED_POE_PD_POWERPRIORITY 24 /* The following macro should be used anytime where the selected OID is finally not returned (for example, when the associated data is not available). In this case, we retry the function with the next OID. */ #define TRYNEXT(X) \ do { \ if (!exact && (name[*length - 1] < MAX_SUBID)) \ return X(vp, name, length, exact, var_len, write_method); \ return NULL; \ } while (0) static u_char * agent_h_scalars(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { static unsigned long long_ret; struct lldpd_hardware *hardware; struct lldpd_port *port; if (header_generic(vp, name, length, exact, var_len, write_method)) return NULL; switch (vp->magic) { case LLDP_SNMP_TXINTERVAL: long_ret = (scfg->g_config.c_tx_interval + 999) / 1000; return (u_char *)&long_ret; case LLDP_SNMP_TXMULTIPLIER: long_ret = scfg->g_config.c_tx_hold; return (u_char *)&long_ret; case LLDP_SNMP_REINITDELAY: long_ret = 1; return (u_char *)&long_ret; case LLDP_SNMP_TXDELAY: long_ret = LLDPD_TX_MSGDELAY; return (u_char *)&long_ret; case LLDP_SNMP_NOTIFICATION: long_ret = 5; return (u_char *)&long_ret; case LLDP_SNMP_LASTUPDATE: long_ret = 0; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { /* Check if the last removal of a remote port on this local port * was the last change. */ if (hardware->h_lport.p_lastremove > long_ret) long_ret = hardware->h_lport.p_lastremove; /* Check if any change on the existing remote ports was the last * change. */ TAILQ_FOREACH (port, &hardware->h_rports, p_entries) { if (SMART_HIDDEN(port)) continue; if (port->p_lastchange > long_ret) long_ret = port->p_lastchange; } } if (long_ret) long_ret = (long_ret - starttime.tv_sec) * 100; return (u_char *)&long_ret; case LLDP_SNMP_STATS_INSERTS: /* We assume this is equal to valid frames received on all ports */ long_ret = 0; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) long_ret += hardware->h_insert_cnt; return (u_char *)&long_ret; case LLDP_SNMP_STATS_AGEOUTS: long_ret = 0; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) long_ret += hardware->h_ageout_cnt; return (u_char *)&long_ret; case LLDP_SNMP_STATS_DELETES: long_ret = 0; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) long_ret += hardware->h_delete_cnt; return (u_char *)&long_ret; case LLDP_SNMP_STATS_DROPS: long_ret = 0; TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) long_ret += hardware->h_drop_cnt; return (u_char *)&long_ret; default: break; } return NULL; } #ifdef ENABLE_LLDPMED static u_char * agent_v_med_power(struct variable *vp, size_t *var_len, struct lldpd_med_power *power) { static unsigned long long_ret; switch (vp->magic) { case LLDP_SNMP_MED_POE_DEVICETYPE: switch (power->devicetype) { case LLDP_MED_POW_TYPE_PSE: long_ret = 2; break; case LLDP_MED_POW_TYPE_PD: long_ret = 3; break; case 0: long_ret = 4; break; default: long_ret = 1; } return (u_char *)&long_ret; case LLDP_SNMP_MED_POE_PSE_POWERVAL: case LLDP_SNMP_MED_POE_PD_POWERVAL: if (((vp->magic == LLDP_SNMP_MED_POE_PSE_POWERVAL) && (power->devicetype == LLDP_MED_POW_TYPE_PSE)) || ((vp->magic == LLDP_SNMP_MED_POE_PD_POWERVAL) && (power->devicetype == LLDP_MED_POW_TYPE_PD))) { long_ret = power->val; return (u_char *)&long_ret; } break; case LLDP_SNMP_MED_POE_PSE_POWERSOURCE: if (power->devicetype == LLDP_MED_POW_TYPE_PSE) { switch (power->source) { case LLDP_MED_POW_SOURCE_PRIMARY: long_ret = 2; break; case LLDP_MED_POW_SOURCE_BACKUP: long_ret = 3; break; default: long_ret = 1; } return (u_char *)&long_ret; } break; case LLDP_SNMP_MED_POE_PD_POWERSOURCE: if (power->devicetype == LLDP_MED_POW_TYPE_PD) { switch (power->source) { case LLDP_MED_POW_SOURCE_PSE: long_ret = 2; break; case LLDP_MED_POW_SOURCE_LOCAL: long_ret = 3; break; case LLDP_MED_POW_SOURCE_BOTH: long_ret = 4; break; default: long_ret = 1; } return (u_char *)&long_ret; } break; case LLDP_SNMP_MED_POE_PSE_POWERPRIORITY: case LLDP_SNMP_MED_POE_PD_POWERPRIORITY: if (((vp->magic == LLDP_SNMP_MED_POE_PSE_POWERPRIORITY) && (power->devicetype == LLDP_MED_POW_TYPE_PSE)) || ((vp->magic == LLDP_SNMP_MED_POE_PD_POWERPRIORITY) && (power->devicetype == LLDP_MED_POW_TYPE_PD))) { switch (power->priority) { case LLDP_MED_POW_PRIO_CRITICAL: long_ret = 2; break; case LLDP_MED_POW_PRIO_HIGH: long_ret = 3; break; case LLDP_MED_POW_PRIO_LOW: long_ret = 4; break; default: long_ret = 1; } return (u_char *)&long_ret; } break; } return NULL; } static u_char * agent_h_local_med_power(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_med_power *power = NULL; struct lldpd_hardware *hardware; int pse = 0; if (!LOCAL_CHASSIS(scfg)->c_med_cap_available) return NULL; if (header_generic(vp, name, length, exact, var_len, write_method)) return NULL; /* LLDP-MED requires only one device type for all ports. Moreover, a PSE can only have one power source. At least, all PD values are global and not per-port. We try to do our best. For device type, we decide on the number of PD/PSE ports. */ TAILQ_FOREACH (hardware, &scfg->g_hardware, h_entries) { if (hardware->h_lport.p_med_power.devicetype == LLDP_MED_POW_TYPE_PSE) { pse++; if (pse == 1) /* Take this port as a reference */ power = &hardware->h_lport.p_med_power; } else if (hardware->h_lport.p_med_power.devicetype == LLDP_MED_POW_TYPE_PD) { pse--; if (pse == -1) /* Take this one instead */ power = &hardware->h_lport.p_med_power; } } if (power) { u_char *a; if ((a = agent_v_med_power(vp, var_len, power)) != NULL) return a; } TRYNEXT(agent_h_local_med_power); } static u_char * agent_h_remote_med_power(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_port *port; u_char *a; if ((port = header_tprindexed_table(vp, name, length, exact, var_len, write_method, 1)) == NULL) return NULL; if ((a = agent_v_med_power(vp, var_len, &port->p_med_power)) != NULL) return a; TRYNEXT(agent_h_remote_med_power); } static u_char * agent_v_med(struct variable *vp, size_t *var_len, struct lldpd_chassis *chassis, struct lldpd_port *port) { static unsigned long long_ret; static uint8_t bit; switch (vp->magic) { case LLDP_SNMP_MED_CLASS: long_ret = chassis->c_med_type; return (u_char *)&long_ret; case LLDP_SNMP_MED_CAP_AVAILABLE: *var_len = 1; bit = swap_bits(chassis->c_med_cap_available); return (u_char *)&bit; case LLDP_SNMP_MED_CAP_ENABLED: if (!port) break; *var_len = 1; bit = swap_bits(port->p_med_cap_enabled); return (u_char *)&bit; # define LLDP_H_MED(magic, variable) \ case magic: \ if (chassis->variable) { \ *var_len = strlen(chassis->variable); \ return (u_char *)chassis->variable; \ } \ break LLDP_H_MED(LLDP_SNMP_MED_HW, c_med_hw); LLDP_H_MED(LLDP_SNMP_MED_SW, c_med_sw); LLDP_H_MED(LLDP_SNMP_MED_FW, c_med_fw); LLDP_H_MED(LLDP_SNMP_MED_SN, c_med_sn); LLDP_H_MED(LLDP_SNMP_MED_MANUF, c_med_manuf); LLDP_H_MED(LLDP_SNMP_MED_MODEL, c_med_model); LLDP_H_MED(LLDP_SNMP_MED_ASSET, c_med_asset); } return NULL; } static u_char * agent_h_local_med(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { u_char *a; if (!LOCAL_CHASSIS(scfg)->c_med_cap_available) return NULL; if (header_generic(vp, name, length, exact, var_len, write_method)) return NULL; if ((a = agent_v_med(vp, var_len, LOCAL_CHASSIS(scfg), NULL)) != NULL) return a; TRYNEXT(agent_h_local_med); } static u_char * agent_h_remote_med(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_port *port; u_char *a; if ((port = header_tprindexed_table(vp, name, length, exact, var_len, write_method, 1)) == NULL) return NULL; if ((a = agent_v_med(vp, var_len, port->p_chassis, port)) != NULL) return a; TRYNEXT(agent_h_remote_med); } static u_char * agent_v_med_policy(struct variable *vp, size_t *var_len, struct lldpd_med_policy *policy) { static unsigned long long_ret; switch (vp->magic) { case LLDP_SNMP_MED_POLICY_VID: long_ret = policy->vid; return (u_char *)&long_ret; case LLDP_SNMP_MED_POLICY_PRIO: long_ret = policy->priority; return (u_char *)&long_ret; case LLDP_SNMP_MED_POLICY_DSCP: long_ret = policy->dscp; return (u_char *)&long_ret; case LLDP_SNMP_MED_POLICY_UNKNOWN: long_ret = policy->unknown ? 1 : 2; return (u_char *)&long_ret; case LLDP_SNMP_MED_POLICY_TAGGED: long_ret = policy->tagged ? 1 : 2; return (u_char *)&long_ret; default: return NULL; } } static u_char * agent_h_remote_med_policy(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_med_policy *policy; if ((policy = (struct lldpd_med_policy *)header_tprmedindexed_table(vp, name, length, exact, var_len, write_method, TPR_VARIANT_MED_POLICY)) == NULL) return NULL; return agent_v_med_policy(vp, var_len, policy); } static u_char * agent_h_local_med_policy(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_med_policy *policy; if ((policy = (struct lldpd_med_policy *)header_pmedindexed_policy_table(vp, name, length, exact, var_len, write_method)) == NULL) return NULL; return agent_v_med_policy(vp, var_len, policy); } static u_char * agent_v_med_location(struct variable *vp, size_t *var_len, struct lldpd_med_loc *location) { switch (vp->magic) { case LLDP_SNMP_MED_LOCATION: *var_len = location->data_len; return (u_char *)location->data; default: return NULL; } } static u_char * agent_h_remote_med_location(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_med_loc *location; if ((location = (struct lldpd_med_loc *)header_tprmedindexed_table(vp, name, length, exact, var_len, write_method, TPR_VARIANT_MED_LOCATION)) == NULL) return NULL; return agent_v_med_location(vp, var_len, location); } static u_char * agent_h_local_med_location(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_med_loc *location; if ((location = (struct lldpd_med_loc *)header_pmedindexed_location_table(vp, name, length, exact, var_len, write_method)) == NULL) return NULL; return agent_v_med_location(vp, var_len, location); } #endif static u_char * agent_v_chassis(struct variable *vp, size_t *var_len, struct lldpd_chassis *chassis) { static uint8_t bit; static unsigned long long_ret; switch (vp->magic) { case LLDP_SNMP_CIDSUBTYPE: long_ret = chassis->c_id_subtype; return (u_char *)&long_ret; case LLDP_SNMP_CID: *var_len = chassis->c_id_len; return (u_char *)chassis->c_id; case LLDP_SNMP_SYSNAME: if (!chassis->c_name || *chassis->c_name == '\0') break; *var_len = strlen(chassis->c_name); return (u_char *)chassis->c_name; case LLDP_SNMP_SYSDESCR: if (!chassis->c_descr || *chassis->c_descr == '\0') break; *var_len = strlen(chassis->c_descr); return (u_char *)chassis->c_descr; case LLDP_SNMP_SYSCAP_SUP: *var_len = 1; bit = swap_bits(chassis->c_cap_available); return (u_char *)&bit; case LLDP_SNMP_SYSCAP_ENA: *var_len = 1; bit = swap_bits(chassis->c_cap_enabled); return (u_char *)&bit; default: break; } return NULL; } static u_char * agent_h_local_chassis(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { u_char *a; if (header_generic(vp, name, length, exact, var_len, write_method)) return NULL; if ((a = agent_v_chassis(vp, var_len, LOCAL_CHASSIS(scfg))) != NULL) return a; TRYNEXT(agent_h_local_chassis); } static u_char * agent_h_remote_chassis(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_port *port; u_char *a; if ((port = header_tprindexed_table(vp, name, length, exact, var_len, write_method, 0)) == NULL) return NULL; if ((a = agent_v_chassis(vp, var_len, port->p_chassis)) != NULL) return a; TRYNEXT(agent_h_remote_chassis); } static u_char * agent_h_stats(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { static unsigned long long_ret; struct lldpd_hardware *hardware; if ((hardware = header_portindexed_table(vp, name, length, exact, var_len, write_method)) == NULL) return NULL; switch (vp->magic) { case LLDP_SNMP_STATS_TX: long_ret = hardware->h_tx_cnt; return (u_char *)&long_ret; case LLDP_SNMP_STATS_RX: long_ret = hardware->h_rx_cnt; return (u_char *)&long_ret; case LLDP_SNMP_STATS_RX_DISCARDED: case LLDP_SNMP_STATS_RX_ERRORS: /* We discard only frame with errors. Therefore, the two values * are equal */ long_ret = hardware->h_rx_discarded_cnt; return (u_char *)&long_ret; case LLDP_SNMP_STATS_RX_TLVDISCARDED: case LLDP_SNMP_STATS_RX_TLVUNRECOGNIZED: /* We discard only unrecognized TLV. Malformed TLV implies dropping the whole frame */ long_ret = hardware->h_rx_unrecognized_cnt; return (u_char *)&long_ret; case LLDP_SNMP_STATS_RX_AGEOUTS: long_ret = hardware->h_ageout_cnt; return (u_char *)&long_ret; default: return NULL; } } #ifdef ENABLE_DOT1 static u_char * agent_v_vlan(struct variable *vp, size_t *var_len, struct lldpd_vlan *vlan) { switch (vp->magic) { case LLDP_SNMP_DOT1_VLANNAME: *var_len = strlen(vlan->v_name); return (u_char *)vlan->v_name; default: return NULL; } } static u_char * agent_h_local_vlan(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_vlan *vlan; if ((vlan = header_pvindexed_table(vp, name, length, exact, var_len, write_method)) == NULL) return NULL; return agent_v_vlan(vp, var_len, vlan); } static u_char * agent_h_remote_vlan(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_vlan *vlan; if ((vlan = header_tprvindexed_table(vp, name, length, exact, var_len, write_method)) == NULL) return NULL; return agent_v_vlan(vp, var_len, vlan); } static u_char * agent_v_ppvid(struct variable *vp, size_t *var_len, struct lldpd_ppvid *ppvid) { static unsigned long long_ret; switch (vp->magic) { case LLDP_SNMP_DOT1_PPVLAN_SUPPORTED: long_ret = (ppvid->p_cap_status & LLDP_PPVID_CAP_SUPPORTED) ? 1 : 2; return (u_char *)&long_ret; case LLDP_SNMP_DOT1_PPVLAN_ENABLED: long_ret = (ppvid->p_cap_status & LLDP_PPVID_CAP_ENABLED) ? 1 : 2; return (u_char *)&long_ret; default: return NULL; } } static u_char * agent_h_local_ppvid(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_ppvid *ppvid; if ((ppvid = header_pppvidindexed_table(vp, name, length, exact, var_len, write_method)) == NULL) return NULL; return agent_v_ppvid(vp, var_len, ppvid); } static u_char * agent_h_remote_ppvid(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_ppvid *ppvid; if ((ppvid = header_tprppvidindexed_table(vp, name, length, exact, var_len, write_method)) == NULL) return NULL; return agent_v_ppvid(vp, var_len, ppvid); } static u_char * agent_v_pi(struct variable *vp, size_t *var_len, struct lldpd_pi *pi) { switch (vp->magic) { case LLDP_SNMP_DOT1_PI: *var_len = pi->p_pi_len; return (u_char *)pi->p_pi; default: return NULL; } } static u_char * agent_h_local_pi(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_pi *pi; if ((pi = header_ppiindexed_table(vp, name, length, exact, var_len, write_method)) == NULL) return NULL; return agent_v_pi(vp, var_len, pi); } static u_char * agent_h_remote_pi(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_pi *pi; if ((pi = header_tprpiindexed_table(vp, name, length, exact, var_len, write_method)) == NULL) return NULL; return agent_v_pi(vp, var_len, pi); } #endif static u_char * agent_v_port(struct variable *vp, size_t *var_len, struct lldpd_port *port) { #ifdef ENABLE_DOT3 static uint16_t short_ret; static uint8_t bit; #endif static unsigned long long_ret; switch (vp->magic) { case LLDP_SNMP_PIDSUBTYPE: long_ret = port->p_id_subtype; return (u_char *)&long_ret; case LLDP_SNMP_PID: *var_len = port->p_id_len; return (u_char *)port->p_id; case LLDP_SNMP_PORTDESC: if (!port->p_descr || *port->p_descr == '\0') break; *var_len = strlen(port->p_descr); return (u_char *)port->p_descr; #ifdef ENABLE_DOT3 case LLDP_SNMP_DOT3_AUTONEG_SUPPORT: long_ret = 2 - port->p_macphy.autoneg_support; return (u_char *)&long_ret; case LLDP_SNMP_DOT3_AUTONEG_ENABLED: long_ret = 2 - port->p_macphy.autoneg_enabled; return (u_char *)&long_ret; case LLDP_SNMP_DOT3_AUTONEG_ADVERTISED: *var_len = 2; short_ret = htons(port->p_macphy.autoneg_advertised); return (u_char *)&short_ret; case LLDP_SNMP_DOT3_AUTONEG_MAU: long_ret = port->p_macphy.mau_type; return (u_char *)&long_ret; case LLDP_SNMP_DOT3_AGG_STATUS: bit = swap_bits((port->p_aggregid > 0) ? 3 : 0); *var_len = 1; return (u_char *)&bit; case LLDP_SNMP_DOT3_AGG_ID: long_ret = port->p_aggregid; return (u_char *)&long_ret; case LLDP_SNMP_DOT3_MFS: if (port->p_mfs) { long_ret = port->p_mfs; return (u_char *)&long_ret; } break; case LLDP_SNMP_DOT3_POWER_DEVICETYPE: if (port->p_power.devicetype) { long_ret = (port->p_power.devicetype == LLDP_DOT3_POWER_PSE) ? 1 : 2; return (u_char *)&long_ret; } break; case LLDP_SNMP_DOT3_POWER_SUPPORT: if (port->p_power.devicetype) { long_ret = (port->p_power.supported) ? 1 : 2; return (u_char *)&long_ret; } break; case LLDP_SNMP_DOT3_POWER_ENABLED: if (port->p_power.devicetype) { long_ret = (port->p_power.enabled) ? 1 : 2; return (u_char *)&long_ret; } break; case LLDP_SNMP_DOT3_POWER_PAIRCONTROL: if (port->p_power.devicetype) { long_ret = (port->p_power.paircontrol) ? 1 : 2; return (u_char *)&long_ret; } break; case LLDP_SNMP_DOT3_POWER_PAIRS: if (port->p_power.devicetype) { long_ret = port->p_power.pairs; return (u_char *)&long_ret; } break; case LLDP_SNMP_DOT3_POWER_CLASS: if (port->p_power.devicetype && port->p_power.class) { long_ret = port->p_power.class; return (u_char *)&long_ret; } break; case LLDP_SNMP_DOT3_POWER_TYPE: if (port->p_power.devicetype && port->p_power.powertype != LLDP_DOT3_POWER_8023AT_OFF) { *var_len = 1; bit = (((port->p_power.powertype == LLDP_DOT3_POWER_8023AT_TYPE1) ? 0 : 1) << 7) | (((port->p_power.devicetype == LLDP_DOT3_POWER_PSE) ? 0 : 1) << 6); return (u_char *)&bit; } break; case LLDP_SNMP_DOT3_POWER_SOURCE: if (port->p_power.devicetype && port->p_power.powertype != LLDP_DOT3_POWER_8023AT_OFF) { *var_len = 1; bit = swap_bits(port->p_power.source % (1 << 2)); return (u_char *)&bit; } break; case LLDP_SNMP_DOT3_POWER_PRIORITY: if (port->p_power.devicetype && port->p_power.powertype != LLDP_DOT3_POWER_8023AT_OFF) { /* See 30.12.2.1.16. This seems defined in reverse order... */ long_ret = 4 - port->p_power.priority; return (u_char *)&long_ret; } break; case LLDP_SNMP_DOT3_POWER_REQUESTED: if (port->p_power.devicetype && port->p_power.powertype != LLDP_DOT3_POWER_8023AT_OFF) { long_ret = port->p_power.requested; return (u_char *)&long_ret; } break; case LLDP_SNMP_DOT3_POWER_ALLOCATED: if (port->p_power.devicetype && port->p_power.powertype != LLDP_DOT3_POWER_8023AT_OFF) { long_ret = port->p_power.allocated; return (u_char *)&long_ret; } break; #endif #ifdef ENABLE_DOT1 case LLDP_SNMP_DOT1_PVID: long_ret = port->p_pvid; return (u_char *)&long_ret; #endif default: break; } return NULL; } static u_char * agent_h_remote_port(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_port *port; u_char *a; if ((port = header_tprindexed_table(vp, name, length, exact, var_len, write_method, 0)) == NULL) return NULL; if ((a = agent_v_port(vp, var_len, port)) != NULL) return a; TRYNEXT(agent_h_remote_port); } static u_char * agent_h_local_port(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_hardware *hardware; u_char *a; if ((hardware = header_portindexed_table(vp, name, length, exact, var_len, write_method)) == NULL) return NULL; if ((a = agent_v_port(vp, var_len, &hardware->h_lport)) != NULL) return a; TRYNEXT(agent_h_local_port); } static u_char * agent_v_management(struct variable *vp, size_t *var_len, struct lldpd_mgmt *mgmt) { static unsigned long int long_ret; static oid zeroDotZero[2] = { 0, 0 }; switch (vp->magic) { case LLDP_SNMP_ADDR_LEN: long_ret = mgmt->m_addrsize + 1; return (u_char *)&long_ret; case LLDP_SNMP_ADDR_IFSUBTYPE: if (mgmt->m_iface != 0) long_ret = LLDP_MGMT_IFACE_IFINDEX; else long_ret = 1; return (u_char *)&long_ret; case LLDP_SNMP_ADDR_IFID: long_ret = mgmt->m_iface; return (u_char *)&long_ret; case LLDP_SNMP_ADDR_OID: *var_len = sizeof(zeroDotZero); return (u_char *)zeroDotZero; default: return NULL; } } static u_char * agent_h_local_management(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_mgmt *mgmt; if ((mgmt = header_ipindexed_table(vp, name, length, exact, var_len, write_method)) == NULL) return NULL; return agent_v_management(vp, var_len, mgmt); } static u_char * agent_h_remote_management(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_mgmt *mgmt; if ((mgmt = header_tpripindexed_table(vp, name, length, exact, var_len, write_method)) == NULL) return NULL; return agent_v_management(vp, var_len, mgmt); } #ifdef ENABLE_CUSTOM static u_char * agent_v_custom(struct variable *vp, size_t *var_len, struct lldpd_custom *custom) { switch (vp->magic) { case LLDP_SNMP_ORG_DEF_INFO: *var_len = custom->oui_info_len; return (u_char *)custom->oui_info; default: return NULL; } } static u_char * agent_h_remote_custom(struct variable *vp, oid *name, size_t *length, int exact, size_t *var_len, WriteMethod **write_method) { struct lldpd_custom *custom; if ((custom = header_tprcustomindexed_table(vp, name, length, exact, var_len, write_method)) == NULL) return NULL; return agent_v_custom(vp, var_len, custom); } #endif /* Here is how it works: a agent_h_*() function will handle incoming requests. It will use an appropriate header_*indexed_table() function to grab the appropriate structure that was queried (a port, a chassis, ...). It will then delegate to a agent_v_*() function the responsability to extract the appropriate answer. agent_h_*() functions and header_*indexed_table() are not shared between remote and not remote version while agent_v_*() functions are the same for both version. */ /* For testing purposes, keep this structure ordered by increasing OID! */ struct variable8 agent_lldp_vars[] = { /* Scalars */ { LLDP_SNMP_TXINTERVAL, ASN_INTEGER, RONLY, agent_h_scalars, 3, { 1, 1, 1 } }, { LLDP_SNMP_TXMULTIPLIER, ASN_INTEGER, RONLY, agent_h_scalars, 3, { 1, 1, 2 } }, { LLDP_SNMP_REINITDELAY, ASN_INTEGER, RONLY, agent_h_scalars, 3, { 1, 1, 3 } }, { LLDP_SNMP_TXDELAY, ASN_INTEGER, RONLY, agent_h_scalars, 3, { 1, 1, 4 } }, { LLDP_SNMP_NOTIFICATION, ASN_INTEGER, RONLY, agent_h_scalars, 3, { 1, 1, 5 } }, { LLDP_SNMP_LASTUPDATE, ASN_TIMETICKS, RONLY, agent_h_scalars, 3, { 1, 2, 1 } }, { LLDP_SNMP_STATS_INSERTS, ASN_GAUGE, RONLY, agent_h_scalars, 3, { 1, 2, 2 } }, { LLDP_SNMP_STATS_DELETES, ASN_GAUGE, RONLY, agent_h_scalars, 3, { 1, 2, 3 } }, { LLDP_SNMP_STATS_DROPS, ASN_GAUGE, RONLY, agent_h_scalars, 3, { 1, 2, 4 } }, { LLDP_SNMP_STATS_AGEOUTS, ASN_GAUGE, RONLY, agent_h_scalars, 3, { 1, 2, 5 } }, /* Stats */ { LLDP_SNMP_STATS_TX, ASN_COUNTER, RONLY, agent_h_stats, 5, { 1, 2, 6, 1, 2 } }, { LLDP_SNMP_STATS_RX_DISCARDED, ASN_COUNTER, RONLY, agent_h_stats, 5, { 1, 2, 7, 1, 2 } }, { LLDP_SNMP_STATS_RX_ERRORS, ASN_COUNTER, RONLY, agent_h_stats, 5, { 1, 2, 7, 1, 3 } }, { LLDP_SNMP_STATS_RX, ASN_COUNTER, RONLY, agent_h_stats, 5, { 1, 2, 7, 1, 4 } }, { LLDP_SNMP_STATS_RX_TLVDISCARDED, ASN_COUNTER, RONLY, agent_h_stats, 5, { 1, 2, 7, 1, 5 } }, { LLDP_SNMP_STATS_RX_TLVUNRECOGNIZED, ASN_COUNTER, RONLY, agent_h_stats, 5, { 1, 2, 7, 1, 6 } }, { LLDP_SNMP_STATS_RX_AGEOUTS, ASN_GAUGE, RONLY, agent_h_stats, 5, { 1, 2, 7, 1, 7 } }, /* Local chassis */ { LLDP_SNMP_CIDSUBTYPE, ASN_INTEGER, RONLY, agent_h_local_chassis, 3, { 1, 3, 1 } }, { LLDP_SNMP_CID, ASN_OCTET_STR, RONLY, agent_h_local_chassis, 3, { 1, 3, 2 } }, { LLDP_SNMP_SYSNAME, ASN_OCTET_STR, RONLY, agent_h_local_chassis, 3, { 1, 3, 3 } }, { LLDP_SNMP_SYSDESCR, ASN_OCTET_STR, RONLY, agent_h_local_chassis, 3, { 1, 3, 4 } }, { LLDP_SNMP_SYSCAP_SUP, ASN_OCTET_STR, RONLY, agent_h_local_chassis, 3, { 1, 3, 5 } }, { LLDP_SNMP_SYSCAP_ENA, ASN_OCTET_STR, RONLY, agent_h_local_chassis, 3, { 1, 3, 6 } }, /* Local ports */ { LLDP_SNMP_PIDSUBTYPE, ASN_INTEGER, RONLY, agent_h_local_port, 5, { 1, 3, 7, 1, 2 } }, { LLDP_SNMP_PID, ASN_OCTET_STR, RONLY, agent_h_local_port, 5, { 1, 3, 7, 1, 3 } }, { LLDP_SNMP_PORTDESC, ASN_OCTET_STR, RONLY, agent_h_local_port, 5, { 1, 3, 7, 1, 4 } }, /* Local management address */ { LLDP_SNMP_ADDR_LEN, ASN_INTEGER, RONLY, agent_h_local_management, 5, { 1, 3, 8, 1, 3 } }, { LLDP_SNMP_ADDR_IFSUBTYPE, ASN_INTEGER, RONLY, agent_h_local_management, 5, { 1, 3, 8, 1, 4 } }, { LLDP_SNMP_ADDR_IFID, ASN_INTEGER, RONLY, agent_h_local_management, 5, { 1, 3, 8, 1, 5 } }, { LLDP_SNMP_ADDR_OID, ASN_OBJECT_ID, RONLY, agent_h_local_management, 5, { 1, 3, 8, 1, 6 } }, /* Remote ports */ { LLDP_SNMP_CIDSUBTYPE, ASN_INTEGER, RONLY, agent_h_remote_chassis, 5, { 1, 4, 1, 1, 4 } }, { LLDP_SNMP_CID, ASN_OCTET_STR, RONLY, agent_h_remote_chassis, 5, { 1, 4, 1, 1, 5 } }, { LLDP_SNMP_PIDSUBTYPE, ASN_INTEGER, RONLY, agent_h_remote_port, 5, { 1, 4, 1, 1, 6 } }, { LLDP_SNMP_PID, ASN_OCTET_STR, RONLY, agent_h_remote_port, 5, { 1, 4, 1, 1, 7 } }, { LLDP_SNMP_PORTDESC, ASN_OCTET_STR, RONLY, agent_h_remote_port, 5, { 1, 4, 1, 1, 8 } }, { LLDP_SNMP_SYSNAME, ASN_OCTET_STR, RONLY, agent_h_remote_chassis, 5, { 1, 4, 1, 1, 9 } }, { LLDP_SNMP_SYSDESCR, ASN_OCTET_STR, RONLY, agent_h_remote_chassis, 5, { 1, 4, 1, 1, 10 } }, { LLDP_SNMP_SYSCAP_SUP, ASN_OCTET_STR, RONLY, agent_h_remote_chassis, 5, { 1, 4, 1, 1, 11 } }, { LLDP_SNMP_SYSCAP_ENA, ASN_OCTET_STR, RONLY, agent_h_remote_chassis, 5, { 1, 4, 1, 1, 12 } }, /* Remote management address */ { LLDP_SNMP_ADDR_IFSUBTYPE, ASN_INTEGER, RONLY, agent_h_remote_management, 5, { 1, 4, 2, 1, 3 } }, { LLDP_SNMP_ADDR_IFID, ASN_INTEGER, RONLY, agent_h_remote_management, 5, { 1, 4, 2, 1, 4 } }, { LLDP_SNMP_ADDR_OID, ASN_OBJECT_ID, RONLY, agent_h_remote_management, 5, { 1, 4, 2, 1, 5 } }, #ifdef ENABLE_CUSTOM /* Custom TLVs */ { LLDP_SNMP_ORG_DEF_INFO, ASN_OCTET_STR, RONLY, agent_h_remote_custom, 5, { 1, 4, 4, 1, 4 } }, #endif #ifdef ENABLE_DOT3 /* Dot3, local ports */ { LLDP_SNMP_DOT3_AUTONEG_SUPPORT, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 1, 1, 1 } }, { LLDP_SNMP_DOT3_AUTONEG_ENABLED, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 1, 1, 2 } }, { LLDP_SNMP_DOT3_AUTONEG_ADVERTISED, ASN_OCTET_STR, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 1, 1, 3 } }, { LLDP_SNMP_DOT3_AUTONEG_MAU, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 1, 1, 4 } }, { LLDP_SNMP_DOT3_POWER_DEVICETYPE, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 2, 1, 1 } }, { LLDP_SNMP_DOT3_POWER_SUPPORT, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 2, 1, 2 } }, { LLDP_SNMP_DOT3_POWER_ENABLED, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 2, 1, 3 } }, { LLDP_SNMP_DOT3_POWER_PAIRCONTROL, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 2, 1, 4 } }, { LLDP_SNMP_DOT3_POWER_PAIRS, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 2, 1, 5 } }, { LLDP_SNMP_DOT3_POWER_CLASS, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 2, 1, 6 } }, { LLDP_SNMP_DOT3_POWER_TYPE, ASN_OCTET_STR, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 2, 1, 7 } }, { LLDP_SNMP_DOT3_POWER_SOURCE, ASN_OCTET_STR, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 2, 1, 8 } }, { LLDP_SNMP_DOT3_POWER_PRIORITY, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 2, 1, 9 } }, { LLDP_SNMP_DOT3_POWER_REQUESTED, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 2, 1, 10 } }, { LLDP_SNMP_DOT3_POWER_ALLOCATED, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 2, 1, 11 } }, { LLDP_SNMP_DOT3_AGG_STATUS, ASN_OCTET_STR, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 3, 1, 1 } }, { LLDP_SNMP_DOT3_AGG_ID, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 3, 1, 2 } }, { LLDP_SNMP_DOT3_MFS, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 4623, 1, 2, 4, 1, 1 } }, #endif /* Dot3, remote ports */ #ifdef ENABLE_DOT3 { LLDP_SNMP_DOT3_AUTONEG_SUPPORT, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 1, 1, 1 } }, { LLDP_SNMP_DOT3_AUTONEG_ENABLED, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 1, 1, 2 } }, { LLDP_SNMP_DOT3_AUTONEG_ADVERTISED, ASN_OCTET_STR, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 1, 1, 3 } }, { LLDP_SNMP_DOT3_AUTONEG_MAU, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 1, 1, 4 } }, { LLDP_SNMP_DOT3_POWER_DEVICETYPE, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 2, 1, 1 } }, { LLDP_SNMP_DOT3_POWER_SUPPORT, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 2, 1, 2 } }, { LLDP_SNMP_DOT3_POWER_ENABLED, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 2, 1, 3 } }, { LLDP_SNMP_DOT3_POWER_PAIRCONTROL, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 2, 1, 4 } }, { LLDP_SNMP_DOT3_POWER_PAIRS, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 2, 1, 5 } }, { LLDP_SNMP_DOT3_POWER_CLASS, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 2, 1, 6 } }, { LLDP_SNMP_DOT3_POWER_TYPE, ASN_OCTET_STR, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 2, 1, 7 } }, { LLDP_SNMP_DOT3_POWER_SOURCE, ASN_OCTET_STR, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 2, 1, 8 } }, { LLDP_SNMP_DOT3_POWER_PRIORITY, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 2, 1, 9 } }, { LLDP_SNMP_DOT3_POWER_REQUESTED, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 2, 1, 10 } }, { LLDP_SNMP_DOT3_POWER_ALLOCATED, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 2, 1, 11 } }, { LLDP_SNMP_DOT3_AGG_STATUS, ASN_OCTET_STR, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 3, 1, 1 } }, { LLDP_SNMP_DOT3_AGG_ID, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 3, 1, 2 } }, { LLDP_SNMP_DOT3_MFS, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 4623, 1, 3, 4, 1, 1 } }, #endif #ifdef ENABLE_LLDPMED /* LLDP-MED local */ { LLDP_SNMP_MED_CLASS, ASN_INTEGER, RONLY, agent_h_local_med, 6, { 1, 5, 4795, 1, 1, 1 } }, { LLDP_SNMP_MED_POLICY_VID, ASN_INTEGER, RONLY, agent_h_local_med_policy, 8, { 1, 5, 4795, 1, 2, 1, 1, 2 } }, { LLDP_SNMP_MED_POLICY_PRIO, ASN_INTEGER, RONLY, agent_h_local_med_policy, 8, { 1, 5, 4795, 1, 2, 1, 1, 3 } }, { LLDP_SNMP_MED_POLICY_DSCP, ASN_INTEGER, RONLY, agent_h_local_med_policy, 8, { 1, 5, 4795, 1, 2, 1, 1, 4 } }, { LLDP_SNMP_MED_POLICY_UNKNOWN, ASN_INTEGER, RONLY, agent_h_local_med_policy, 8, { 1, 5, 4795, 1, 2, 1, 1, 5 } }, { LLDP_SNMP_MED_POLICY_TAGGED, ASN_INTEGER, RONLY, agent_h_local_med_policy, 8, { 1, 5, 4795, 1, 2, 1, 1, 6 } }, { LLDP_SNMP_MED_HW, ASN_OCTET_STR, RONLY, agent_h_local_med, 6, { 1, 5, 4795, 1, 2, 2 } }, { LLDP_SNMP_MED_FW, ASN_OCTET_STR, RONLY, agent_h_local_med, 6, { 1, 5, 4795, 1, 2, 3 } }, { LLDP_SNMP_MED_SW, ASN_OCTET_STR, RONLY, agent_h_local_med, 6, { 1, 5, 4795, 1, 2, 4 } }, { LLDP_SNMP_MED_SN, ASN_OCTET_STR, RONLY, agent_h_local_med, 6, { 1, 5, 4795, 1, 2, 5 } }, { LLDP_SNMP_MED_MANUF, ASN_OCTET_STR, RONLY, agent_h_local_med, 6, { 1, 5, 4795, 1, 2, 6 } }, { LLDP_SNMP_MED_MODEL, ASN_OCTET_STR, RONLY, agent_h_local_med, 6, { 1, 5, 4795, 1, 2, 7 } }, { LLDP_SNMP_MED_ASSET, ASN_OCTET_STR, RONLY, agent_h_local_med, 6, { 1, 5, 4795, 1, 2, 8 } }, { LLDP_SNMP_MED_LOCATION, ASN_OCTET_STR, RONLY, agent_h_local_med_location, 8, { 1, 5, 4795, 1, 2, 9, 1, 2 } }, { LLDP_SNMP_MED_POE_DEVICETYPE, ASN_INTEGER, RONLY, agent_h_local_med_power, 6, { 1, 5, 4795, 1, 2, 10 } }, { LLDP_SNMP_MED_POE_PSE_POWERVAL, ASN_GAUGE, RONLY, agent_h_local_med_power, 8, { 1, 5, 4795, 1, 2, 11, 1, 1 } }, { LLDP_SNMP_MED_POE_PSE_POWERPRIORITY, ASN_INTEGER, RONLY, agent_h_local_med_power, 8, { 1, 5, 4795, 1, 2, 11, 1, 2 } }, { LLDP_SNMP_MED_POE_PSE_POWERSOURCE, ASN_INTEGER, RONLY, agent_h_local_med_power, 6, { 1, 5, 4795, 1, 2, 12 } }, { LLDP_SNMP_MED_POE_PD_POWERVAL, ASN_GAUGE, RONLY, agent_h_local_med_power, 6, { 1, 5, 4795, 1, 2, 13 } }, { LLDP_SNMP_MED_POE_PD_POWERSOURCE, ASN_INTEGER, RONLY, agent_h_local_med_power, 6, { 1, 5, 4795, 1, 2, 14 } }, { LLDP_SNMP_MED_POE_PD_POWERPRIORITY, ASN_INTEGER, RONLY, agent_h_local_med_power, 6, { 1, 5, 4795, 1, 2, 15 } }, /* LLDP-MED remote */ { LLDP_SNMP_MED_CAP_AVAILABLE, ASN_OCTET_STR, RONLY, agent_h_remote_med, 8, { 1, 5, 4795, 1, 3, 1, 1, 1 } }, { LLDP_SNMP_MED_CAP_ENABLED, ASN_OCTET_STR, RONLY, agent_h_remote_med, 8, { 1, 5, 4795, 1, 3, 1, 1, 2 } }, { LLDP_SNMP_MED_CLASS, ASN_INTEGER, RONLY, agent_h_remote_med, 8, { 1, 5, 4795, 1, 3, 1, 1, 3 } }, { LLDP_SNMP_MED_POLICY_VID, ASN_INTEGER, RONLY, agent_h_remote_med_policy, 8, { 1, 5, 4795, 1, 3, 2, 1, 2 } }, { LLDP_SNMP_MED_POLICY_PRIO, ASN_INTEGER, RONLY, agent_h_remote_med_policy, 8, { 1, 5, 4795, 1, 3, 2, 1, 3 } }, { LLDP_SNMP_MED_POLICY_DSCP, ASN_INTEGER, RONLY, agent_h_remote_med_policy, 8, { 1, 5, 4795, 1, 3, 2, 1, 4 } }, { LLDP_SNMP_MED_POLICY_UNKNOWN, ASN_INTEGER, RONLY, agent_h_remote_med_policy, 8, { 1, 5, 4795, 1, 3, 2, 1, 5 } }, { LLDP_SNMP_MED_POLICY_TAGGED, ASN_INTEGER, RONLY, agent_h_remote_med_policy, 8, { 1, 5, 4795, 1, 3, 2, 1, 6 } }, { LLDP_SNMP_MED_HW, ASN_OCTET_STR, RONLY, agent_h_remote_med, 8, { 1, 5, 4795, 1, 3, 3, 1, 1 } }, { LLDP_SNMP_MED_FW, ASN_OCTET_STR, RONLY, agent_h_remote_med, 8, { 1, 5, 4795, 1, 3, 3, 1, 2 } }, { LLDP_SNMP_MED_SW, ASN_OCTET_STR, RONLY, agent_h_remote_med, 8, { 1, 5, 4795, 1, 3, 3, 1, 3 } }, { LLDP_SNMP_MED_SN, ASN_OCTET_STR, RONLY, agent_h_remote_med, 8, { 1, 5, 4795, 1, 3, 3, 1, 4 } }, { LLDP_SNMP_MED_MANUF, ASN_OCTET_STR, RONLY, agent_h_remote_med, 8, { 1, 5, 4795, 1, 3, 3, 1, 5 } }, { LLDP_SNMP_MED_MODEL, ASN_OCTET_STR, RONLY, agent_h_remote_med, 8, { 1, 5, 4795, 1, 3, 3, 1, 6 } }, { LLDP_SNMP_MED_ASSET, ASN_OCTET_STR, RONLY, agent_h_remote_med, 8, { 1, 5, 4795, 1, 3, 3, 1, 7 } }, { LLDP_SNMP_MED_LOCATION, ASN_OCTET_STR, RONLY, agent_h_remote_med_location, 8, { 1, 5, 4795, 1, 3, 4, 1, 2 } }, { LLDP_SNMP_MED_POE_DEVICETYPE, ASN_INTEGER, RONLY, agent_h_remote_med_power, 8, { 1, 5, 4795, 1, 3, 5, 1, 1 } }, { LLDP_SNMP_MED_POE_PSE_POWERVAL, ASN_GAUGE, RONLY, agent_h_remote_med_power, 8, { 1, 5, 4795, 1, 3, 6, 1, 1 } }, { LLDP_SNMP_MED_POE_PSE_POWERSOURCE, ASN_INTEGER, RONLY, agent_h_remote_med_power, 8, { 1, 5, 4795, 1, 3, 6, 1, 2 } }, { LLDP_SNMP_MED_POE_PSE_POWERPRIORITY, ASN_INTEGER, RONLY, agent_h_remote_med_power, 8, { 1, 5, 4795, 1, 3, 6, 1, 3 } }, { LLDP_SNMP_MED_POE_PD_POWERVAL, ASN_GAUGE, RONLY, agent_h_remote_med_power, 8, { 1, 5, 4795, 1, 3, 7, 1, 1 } }, { LLDP_SNMP_MED_POE_PD_POWERSOURCE, ASN_INTEGER, RONLY, agent_h_remote_med_power, 8, { 1, 5, 4795, 1, 3, 7, 1, 2 } }, { LLDP_SNMP_MED_POE_PD_POWERPRIORITY, ASN_INTEGER, RONLY, agent_h_remote_med_power, 8, { 1, 5, 4795, 1, 3, 7, 1, 3 } }, #endif /* Dot1, local and remote ports */ #ifdef ENABLE_DOT1 { LLDP_SNMP_DOT1_PVID, ASN_INTEGER, RONLY, agent_h_local_port, 8, { 1, 5, 32962, 1, 2, 1, 1, 1 } }, { LLDP_SNMP_DOT1_PPVLAN_SUPPORTED, ASN_INTEGER, RONLY, agent_h_local_ppvid, 8, { 1, 5, 32962, 1, 2, 2, 1, 2 } }, { LLDP_SNMP_DOT1_PPVLAN_ENABLED, ASN_INTEGER, RONLY, agent_h_local_ppvid, 8, { 1, 5, 32962, 1, 2, 2, 1, 3 } }, { LLDP_SNMP_DOT1_VLANNAME, ASN_OCTET_STR, RONLY, agent_h_local_vlan, 8, { 1, 5, 32962, 1, 2, 3, 1, 2 } }, { LLDP_SNMP_DOT1_PI, ASN_OCTET_STR, RONLY, agent_h_local_pi, 8, { 1, 5, 32962, 1, 2, 4, 1, 2 } }, #endif #ifdef ENABLE_DOT1 { LLDP_SNMP_DOT1_PVID, ASN_INTEGER, RONLY, agent_h_remote_port, 8, { 1, 5, 32962, 1, 3, 1, 1, 1 } }, { LLDP_SNMP_DOT1_PPVLAN_SUPPORTED, ASN_INTEGER, RONLY, agent_h_remote_ppvid, 8, { 1, 5, 32962, 1, 3, 2, 1, 2 } }, { LLDP_SNMP_DOT1_PPVLAN_ENABLED, ASN_INTEGER, RONLY, agent_h_remote_ppvid, 8, { 1, 5, 32962, 1, 3, 2, 1, 3 } }, /* Remote vlans */ { LLDP_SNMP_DOT1_VLANNAME, ASN_OCTET_STR, RONLY, agent_h_remote_vlan, 8, { 1, 5, 32962, 1, 3, 3, 1, 2 } }, /* Protocol identity */ { LLDP_SNMP_DOT1_PI, ASN_OCTET_STR, RONLY, agent_h_remote_pi, 8, { 1, 5, 32962, 1, 3, 4, 1, 2 } }, #endif }; size_t agent_lldp_vars_size(void) { return sizeof(agent_lldp_vars) / sizeof(struct variable8); } /** * Send a notification about a change in one remote neighbor. * * @param hardware Interface on which the change has happened. * @param type Type of change (add, delete, update) * @param rport Changed remote port */ void agent_notify(struct lldpd_hardware *hardware, int type, struct lldpd_port *rport) { struct lldpd_hardware *h; /* OID of the notification */ oid notification_oid[] = { LLDP_OID, 0, 0, 1 }; size_t notification_oid_len = OID_LENGTH(notification_oid); /* OID for snmpTrapOID.0 */ oid objid_snmptrap[] = { SNMPTRAP_OID }; size_t objid_snmptrap_len = OID_LENGTH(objid_snmptrap); /* Other OID */ oid inserts_oid[] = { LLDP_OID, 1, 2, 2 }; size_t inserts_oid_len = OID_LENGTH(inserts_oid); unsigned long inserts = 0; oid deletes_oid[] = { LLDP_OID, 1, 2, 3 }; size_t deletes_oid_len = OID_LENGTH(deletes_oid); unsigned long deletes = 0; oid drops_oid[] = { LLDP_OID, 1, 2, 4 }; size_t drops_oid_len = OID_LENGTH(drops_oid); unsigned long drops = 0; oid ageouts_oid[] = { LLDP_OID, 1, 2, 5 }; size_t ageouts_oid_len = OID_LENGTH(ageouts_oid); unsigned long ageouts = 0; /* We also add some extra. Easy ones. */ oid locport_oid[] = { LLDP_OID, 1, 3, 7, 1, 4, hardware->h_ifindex }; size_t locport_oid_len = OID_LENGTH(locport_oid); oid sysname_oid[] = { LLDP_OID, 1, 4, 1, 1, 9, lastchange(rport), hardware->h_ifindex, rport->p_chassis->c_index }; size_t sysname_oid_len = OID_LENGTH(sysname_oid); oid portdescr_oid[] = { LLDP_OID, 1, 4, 1, 1, 8, lastchange(rport), hardware->h_ifindex, rport->p_chassis->c_index }; size_t portdescr_oid_len = OID_LENGTH(portdescr_oid); netsnmp_variable_list *notification_vars = NULL; if (!hardware->h_cfg->g_snmp) return; switch (type) { case NEIGHBOR_CHANGE_DELETED: log_debug("snmp", "send notification for neighbor deleted on %s", hardware->h_ifname); break; case NEIGHBOR_CHANGE_UPDATED: log_debug("snmp", "send notification for neighbor updated on %s", hardware->h_ifname); break; case NEIGHBOR_CHANGE_ADDED: log_debug("snmp", "send notification for neighbor added on %s", hardware->h_ifname); break; } TAILQ_FOREACH (h, &hardware->h_cfg->g_hardware, h_entries) { inserts += h->h_insert_cnt; deletes += h->h_delete_cnt; ageouts += h->h_ageout_cnt; drops += h->h_drop_cnt; } /* snmpTrapOID */ snmp_varlist_add_variable(¬ification_vars, objid_snmptrap, objid_snmptrap_len, ASN_OBJECT_ID, (u_char *)notification_oid, notification_oid_len * sizeof(oid)); snmp_varlist_add_variable(¬ification_vars, inserts_oid, inserts_oid_len, ASN_GAUGE, (u_char *)&inserts, sizeof(inserts)); snmp_varlist_add_variable(¬ification_vars, deletes_oid, deletes_oid_len, ASN_GAUGE, (u_char *)&deletes, sizeof(inserts)); snmp_varlist_add_variable(¬ification_vars, drops_oid, drops_oid_len, ASN_GAUGE, (u_char *)&drops, sizeof(drops)); snmp_varlist_add_variable(¬ification_vars, ageouts_oid, ageouts_oid_len, ASN_GAUGE, (u_char *)&ageouts, sizeof(ageouts)); if (type != NEIGHBOR_CHANGE_DELETED) { snmp_varlist_add_variable(¬ification_vars, locport_oid, locport_oid_len, ASN_OCTET_STR, (u_char *)hardware->h_ifname, strnlen(hardware->h_ifname, IFNAMSIZ)); if (rport->p_chassis->c_name && *rport->p_chassis->c_name != '\0') { snmp_varlist_add_variable(¬ification_vars, sysname_oid, sysname_oid_len, ASN_OCTET_STR, (u_char *)rport->p_chassis->c_name, strlen(rport->p_chassis->c_name)); } if (rport->p_descr) { snmp_varlist_add_variable(¬ification_vars, portdescr_oid, portdescr_oid_len, ASN_OCTET_STR, (u_char *)rport->p_descr, strlen(rport->p_descr)); } } log_debug("snmp", "sending SNMP trap (%ld, %ld, %ld)", inserts, deletes, ageouts); send_v2trap(notification_vars); snmp_free_varbind(notification_vars); } /* Logging NetSNMP messages */ static int agent_log_callback(int major, int minor, void *serverarg, void *clientarg) { struct snmp_log_message *slm = (struct snmp_log_message *)serverarg; char *msg = strdup(slm->msg); (void)major; (void)minor; (void)clientarg; if (msg && msg[strlen(msg) - 1] == '\n') msg[strlen(msg) - 1] = '\0'; switch (slm->priority) { case LOG_EMERG: log_warnx("libsnmp", "%s", msg ? msg : slm->msg); break; case LOG_ALERT: log_warnx("libsnmp", "%s", msg ? msg : slm->msg); break; case LOG_CRIT: log_warnx("libsnmp", "%s", msg ? msg : slm->msg); break; case LOG_ERR: log_warnx("libsnmp", "%s", msg ? msg : slm->msg); break; case LOG_WARNING: log_warnx("libsnmp", "%s", msg ? msg : slm->msg); break; case LOG_NOTICE: log_info("libsnmp", "%s", msg ? msg : slm->msg); break; case LOG_INFO: log_info("libsnmp", "%s", msg ? msg : slm->msg); break; case LOG_DEBUG: log_debug("libsnmp", "%s", msg ? msg : slm->msg); break; } free(msg); return SNMP_ERR_NOERROR; } void agent_init(struct lldpd *cfg, const char *agentx) { int rc; log_info("snmp", "enable SNMP subagent"); netsnmp_enable_subagent(); log_debug("snmp", "enable logging"); snmp_disable_log(); snmp_enable_calllog(); snmp_register_callback(SNMP_CALLBACK_LIBRARY, SNMP_CALLBACK_LOGGING, agent_log_callback, NULL); scfg = cfg; /* We are chrooted, we don't want to handle persistent states */ netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DONT_PERSIST_STATE, TRUE); /* Do not load any MIB */ setenv("MIBS", "", 1); setenv("MIBDIRS", "/dev/null", 1); #ifdef ENABLE_PRIVSEP /* We provide our UNIX domain transport */ log_debug("snmp", "register UNIX domain transport"); agent_priv_register_domain(); #endif if (agentx) netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, agentx); init_agent("lldpAgent"); REGISTER_MIB("lldp", agent_lldp_vars, variable8, lldp_oid); init_snmp("lldpAgent"); log_debug("snmp", "register to sysORTable"); if ((rc = register_sysORTable(lldp_oid, OID_LENGTH(lldp_oid), "lldpMIB implementation by lldpd")) != 0) log_warnx("snmp", "unable to register to sysORTable (%d)", rc); } void agent_shutdown() { log_debug("snmp", "agent shutdown"); unregister_sysORTable(lldp_oid, OID_LENGTH(lldp_oid)); snmp_shutdown("lldpAgent"); } lldpd-1.0.18/src/daemon/Makefile.am0000644000076400001440000001072514532716672016246 0ustar00bernatusersAM_CFLAGS = -I $(top_srcdir)/include $(LLDP_CFLAGS) AM_CPPFLAGS = $(LLDP_CPPFLAGS) AM_LDFLAGS = $(LLDP_LDFLAGS) BUILT_SOURCES = CLEANFILES = sbin_PROGRAMS = lldpd man_MANS = lldpd.8 noinst_LTLIBRARIES = liblldpd.la ## Convenience library for lldpd and tests nodist_liblldpd_la_SOURCES = liblldpd_la_SOURCES = \ frame.h frame.c \ lldp-tlv.h \ client.c \ priv.c \ privsep.c privsep_io.c privsep_fd.c \ interfaces.c \ event.c lldpd.c \ pattern.c \ bitmap.c \ probes.d trace.h \ protocols/lldp.c \ protocols/cdp.c \ protocols/cdp.h \ protocols/sonmp.c \ protocols/sonmp.h \ protocols/edp.c \ protocols/edp.h liblldpd_la_CFLAGS = $(AM_CFLAGS) @libevent_CFLAGS@ @libcap_CFLAGS@ liblldpd_la_CPPFLAGS = $(AM_CPPFLAGS) -DSYSCONFDIR='"$(sysconfdir)"' -DLLDPCLI_PATH='"$(sbindir)/lldpcli"' liblldpd_la_LIBADD = \ $(top_builddir)/src/libcommon-daemon-client.la \ $(top_builddir)/src/libcommon-daemon-lib.la @libevent_LIBS@ @libcap_LIBS@ ## lldpd lldpd_SOURCES = main.c lldpd_LDFLAGS = $(AM_LDFLAGS) $(LLDP_BIN_LDFLAGS) lldpd_LDADD = liblldpd.la @libevent_LDFLAGS@ if HOST_OS_LINUX liblldpd_la_SOURCES += \ forward-linux.c \ interfaces-linux.c \ netlink.c \ dmi-linux.c \ priv-linux.c endif if HOST_OS_DRAGONFLY liblldpd_la_SOURCES += \ forward-bsd.c \ interfaces-bpf.c \ interfaces-bsd.c \ dmi-dummy.c \ priv-bsd.c endif if HOST_OS_FREEBSD liblldpd_la_SOURCES += \ forward-bsd.c \ interfaces-bpf.c \ interfaces-bsd.c \ dmi-freebsd.c \ priv-bsd.c endif if HOST_OS_OPENBSD liblldpd_la_SOURCES += \ interfaces-bpf.c \ forward-bsd.c \ interfaces-bsd.c \ dmi-openbsd.c \ priv-bsd.c endif if HOST_OS_NETBSD liblldpd_la_SOURCES += \ forward-bsd.c \ interfaces-bpf.c \ interfaces-bsd.c \ dmi-dummy.c \ priv-bsd.c endif if HOST_OS_OSX liblldpd_la_SOURCES += \ forward-bsd.c \ interfaces-bpf.c \ interfaces-bsd.c \ dmi-osx.c \ priv-bsd.c liblldpd_la_LDFLAGS = $(AM_LDFLAGS) liblldpd_la_LDFLAGS += -framework Foundation liblldpd_la_LDFLAGS += -framework CoreFoundation -framework IOKit liblldpd_la_LDFLAGS += -framework IOKit endif if HOST_OS_SOLARIS liblldpd_la_SOURCES += \ forward-solaris.c \ interfaces-bpf.c \ interfaces-solaris.c \ dmi-dummy.c \ priv-bsd.c endif # seccomp support if USE_SECCOMP BUILT_SOURCES += syscall-names.h CLEANFILES += syscall-names.h syscall-names.h.tmp syscall-names.h: $(AM_V_GEN) $(AM_V_at)echo "#include " | $(CPP) -dM - > $@.tmp ;\ echo "static const char *syscall_names[] = {" > $@ ;\ grep '^#define __NR_' $@.tmp | \ LC_ALL=C sed -r -n -e 's/^\#define[ \t]+__NR_([a-z0-9_]+)[ \t]+([0-9]+)(.*)/ [\2] = "\1",/p' >> $@ ;\ echo "};" >> $@ ;\ rm $@.tmp nodist_liblldpd_la_SOURCES += syscall-names.h liblldpd_la_SOURCES += priv-seccomp.c liblldpd_la_CFLAGS += @libseccomp_CFLAGS@ liblldpd_la_LIBADD += @libseccomp_LIBS@ endif # Add SNMP support if needed if USE_SNMP noinst_LTLIBRARIES += liblldpd-snmp.la liblldpd_snmp_la_SOURCES = agent.c agent_priv.c agent.h liblldpd_snmp_la_CFLAGS = $(liblldpd_la_CFLAGS) @NETSNMP_CFLAGS@ liblldpd_snmp_la_CPPFLAGS = $(liblldpd_la_CPPFLAGS) liblldpd_la_LIBADD += liblldpd-snmp.la lldpd_LDADD += @NETSNMP_LIBS@ endif ## Systemtap/DTrace EXTRA_DIST = dtrace2systemtap.awk if ENABLE_SYSTEMTAP BUILT_SOURCES += probes.h CLEANFILES += probes.h lldpd.stp probes.h: probes.d $(AM_V_GEN) $(AM_V_at)$(DTRACE) -C -h -s $< -o $@ probes.o: probes.d $(AM_V_GEN) $(AM_V_at)$(DTRACE) -C -G -s $< -o $@ lldpd_LDADD += probes.o lldpd.stp: probes.d $(srcdir)/dtrace2systemtap.awk $(top_builddir)/config.status $(AM_V_GEN)$(AWK) -f $(srcdir)/dtrace2systemtap.awk -v sbindir=$(sbindir) $< > $@ || ( rm -f $@ ; exit 1 ) tapsetdir = $(datadir)/systemtap/tapset tapset_DATA = lldpd.stp endif ## libevent if LIBEVENT_EMBEDDED event.c: $(top_builddir)/libevent/libevent.la $(top_builddir)/libevent/libevent.la: $(top_srcdir)/libevent/*.c $(top_srcdir)/libevent/*.h (cd $(top_builddir)/libevent && $(MAKE)) endif ## systemd service file if HAVE_SYSTEMDSYSTEMUNITDIR systemdsystemunit_DATA = lldpd.service endif if HAVE_SYSUSERSDIR sysusers_DATA = lldpd.sysusers.conf endif if HOST_OS_LINUX if HAVE_APPARMORDIR apparmor_DATA = usr.sbin.lldpd endif endif TEMPLATES = lldpd.8 lldpd.service lldpd.sysusers.conf usr.sbin.lldpd EXTRA_DIST += lldpd.8.in lldpd.service.in lldpd.sysusers.conf.in usr.sbin.lldpd.in CLEANFILES += $(TEMPLATES) lldpd.8: lldpd.8.in lldpd.service: lldpd.service.in lldpd.sysusers.conf: lldpd.sysusers.conf.in usr.sbin.lldpd: usr.sbin.lldpd.in include $(top_srcdir)/edit.am lldpd-1.0.18/src/daemon/forward-bsd.c0000644000076400001440000000217314532716672016566 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #include int interfaces_routing_enabled(struct lldpd *cfg) { (void)cfg; int n, mib[4] = { CTL_NET, PF_INET, IPPROTO_IP, IPCTL_FORWARDING }; size_t len = sizeof(int); if (sysctl(mib, 4, &n, &len, NULL, 0) != -1) return (n == 1); return -1; } lldpd-1.0.18/src/daemon/main.c0000644000076400001440000000066114111362571015264 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ #include "lldpd.h" /** * @mainpage * * lldpd is an implementation of 802.1AB (aka LLDP). It provides an interface * for third party clients to interact with it: querying neighbors, setting some * TLV. This interface is included into a library whose API can be found in @ref * liblldpctl */ int main(int argc, char **argv, char **envp) { return lldpd_main(argc, argv, envp); } lldpd-1.0.18/src/daemon/dmi-osx.c0000644000076400001440000000565314532716672015742 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #include #ifdef ENABLE_LLDPMED static char * dmi_get(const char *classname, CFStringRef property) { char *result = NULL; CFMutableDictionaryRef matching = NULL; CFTypeRef cfres = NULL; io_service_t service = 0; matching = IOServiceMatching(classname); if (!matching) { log_debug("localchassis", "cannot get %s class from registry", classname); goto end; } service = IOServiceGetMatchingService(kIOMasterPortDefault, matching); if (!service) { log_warnx("localchassis", "cannot get matching %s class from registry", classname); goto end; } cfres = IORegistryEntryCreateCFProperty(service, property, kCFAllocatorDefault, kNilOptions); if (!cfres) { log_debug("localchassis", "cannot find property %s in class %s in registry", CFStringGetCStringPtr(property, kCFStringEncodingMacRoman), classname); goto end; } if (CFGetTypeID(cfres) == CFStringGetTypeID()) result = strdup(CFStringGetCStringPtr((CFStringRef)cfres, kCFStringEncodingMacRoman)); else if (CFGetTypeID(cfres) == CFDataGetTypeID()) { /* OK, we know this is a string. */ result = calloc(1, CFDataGetLength((CFDataRef)cfres) + 1); if (!result) goto end; memcpy(result, CFDataGetBytePtr((CFDataRef)cfres), CFDataGetLength((CFDataRef)cfres)); } else log_debug("localchassis", "unknown type for property %s in class %s", CFStringGetCStringPtr(property, kCFStringEncodingMacRoman), classname); end: if (cfres) CFRelease(cfres); if (service) IOObjectRelease(service); return result; } char * dmi_hw() { return dmi_get("IOPlatformExpertDevice", CFSTR("version")); } char * dmi_fw() { /* Dunno where it is. Maybe in SMC? */ return NULL; } char * dmi_sn() { return dmi_get("IOPlatformExpertDevice", CFSTR("IOPlatformSerialNumber")); } char * dmi_manuf() { return dmi_get("IOPlatformExpertDevice", CFSTR("manufacturer")); } char * dmi_model() { return dmi_get("IOPlatformExpertDevice", CFSTR("model")); } char * dmi_asset() { return dmi_get("IOPlatformExpertDevice", CFSTR("board-id")); } #endif lldpd-1.0.18/src/daemon/frame.h0000644000076400001440000001011514532716672015446 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2009 Vincent Bernat * Copyright (c) 2014 Michael Chapman * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _FRAME_H #define _FRAME_H static union { uint8_t f_uint8; uint16_t f_uint16; uint32_t f_uint32; } types; /* This set of macro are used to build packets. The current position in buffer * is `pos'. The length of the remaining space in buffer is `length'. `type' * should be a member of `types'. * * This was stolen from ladvd which was adapted from Net::CDP. The original * author of those macros, Michael Chapman, has relicensed those macros under * the ISC license. */ #define POKE(value, type, func) \ ((length >= sizeof(type)) && \ (type = func(value), memcpy(pos, &type, sizeof(type)), length -= sizeof(type), \ pos += sizeof(type), 1)) #define POKE_UINT8(value) POKE(value, types.f_uint8, ) #define POKE_UINT16(value) POKE(value, types.f_uint16, htons) #define POKE_UINT32(value) POKE(value, types.f_uint32, htonl) #define POKE_BYTES(value, bytes) \ ((length >= (bytes)) && \ (memcpy(pos, value, bytes), length -= (bytes), pos += (bytes), 1)) #define POKE_SAVE(where) (where = pos, 1) #define POKE_RESTORE(where) \ do { \ if ((where) > pos) \ length -= ((where)-pos); \ else \ length += (pos - (where)); \ pos = (where); \ } while (0) /* This set of macro are used to parse packets. The same variable as for POKE_* * are used. There is no check on boundaries. */ #define PEEK(type, func) \ (memcpy(&type, pos, sizeof(type)), length -= sizeof(type), pos += sizeof(type), \ func(type)) #define PEEK_UINT8 PEEK(types.f_uint8, ) #define PEEK_UINT16 PEEK(types.f_uint16, ntohs) #define PEEK_UINT32 PEEK(types.f_uint32, ntohl) #define PEEK_BYTES(value, bytes) \ do { \ memcpy(value, pos, bytes); \ length -= (bytes); \ pos += (bytes); \ } while (0) #define PEEK_DISCARD(bytes) \ do { \ length -= (bytes); \ pos += (bytes); \ } while (0) #define PEEK_DISCARD_UINT8 PEEK_DISCARD(1) #define PEEK_DISCARD_UINT16 PEEK_DISCARD(2) #define PEEK_DISCARD_UINT32 PEEK_DISCARD(4) #define PEEK_CMP(value, bytes) \ (length -= (bytes), pos += (bytes), memcmp(pos - bytes, value, bytes)) #define PEEK_SAVE POKE_SAVE #define PEEK_RESTORE POKE_RESTORE /* LLDP specific. We need a `tlv' pointer. */ #define POKE_START_LLDP_TLV(type) (tlv = pos, POKE_UINT16(type << 9)) #define POKE_END_LLDP_TLV \ (memcpy(&types.f_uint16, tlv, sizeof(uint16_t)), \ types.f_uint16 |= htons((pos - (tlv + 2)) & 0x01ff), \ memcpy(tlv, &types.f_uint16, sizeof(uint16_t)), 1) /* Same for CDP */ #define POKE_START_CDP_TLV(type) ((void)POKE_UINT16(type), tlv = pos, POKE_UINT16(0)) #define POKE_END_CDP_TLV \ (types.f_uint16 = htons(pos - tlv + 2), \ memcpy(tlv, &types.f_uint16, sizeof(uint16_t)), 1) /* Same for EDP */ #define POKE_START_EDP_TLV(type) \ ((void)POKE_UINT8(EDP_TLV_MARKER), (void)POKE_UINT8(type), tlv = pos, POKE_UINT16(0)) #define POKE_END_EDP_TLV POKE_END_CDP_TLV #endif /* _FRAME_H */ lldpd-1.0.18/src/daemon/bitmap.c0000644000076400001440000000314314532716672015626 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2020 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* Helpers around bitmaps */ #include "lldpd.h" /* * Set vlan id in the bitmap */ void bitmap_set(uint32_t *bmap, uint16_t vlan_id) { if (vlan_id < MAX_VLAN) bmap[vlan_id / 32] |= (((uint32_t)1) << (vlan_id % 32)); } /* * Checks if the bitmap is empty */ int bitmap_isempty(uint32_t *bmap) { int i; for (i = 0; i < VLAN_BITMAP_LEN; i++) { if (bmap[i] != 0) return 0; } return 1; } /* * Calculate the number of bits set in the bitmap to get total * number of VLANs */ unsigned int bitmap_numbits(uint32_t *bmap) { unsigned int num = 0; for (int i = 0; (i < VLAN_BITMAP_LEN); i++) { uint32_t v = bmap[i]; v = v - ((v >> 1) & 0x55555555); v = (v & 0x33333333) + ((v >> 2) & 0x33333333); num += (((v + (v >> 4)) & 0x0F0F0F0F) * 0x01010101) >> 24; } return num; } lldpd-1.0.18/src/daemon/dmi-linux.c0000644000076400001440000000437414532716672016267 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2009 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #ifdef ENABLE_LLDPMED /* Fill in inventory stuff: - hardware version: /sys/class/dmi/id/product_version - firmware version: /sys/class/dmi/id/bios_version - software version: `uname -r` - serial number: /sys/class/dmi/id/product_serial - manufacturer: /sys/class/dmi/id/sys_vendor - model: /sys/class/dmi/id/product_name - asset: /sys/class/dmi/id/chassis_asset_tag */ static char * dmi_get(const char *file) { int dmi, s; char buffer[100] = {}; log_debug("localchassis", "DMI request for file %s", file); if ((dmi = priv_open(file)) < 0) { log_debug("localchassis", "cannot get DMI file %s", file); return NULL; } if ((s = read(dmi, buffer, sizeof(buffer))) == -1) { log_debug("localchassis", "cannot read DMI file %s", file); close(dmi); return NULL; } close(dmi); buffer[sizeof(buffer) - 1] = '\0'; if ((s > 0) && (buffer[s - 1] == '\n')) buffer[s - 1] = '\0'; if (strlen(buffer)) return strdup(buffer); return NULL; } char * dmi_hw() { return dmi_get(SYSFS_CLASS_DMI "product_version"); } char * dmi_fw() { return dmi_get(SYSFS_CLASS_DMI "bios_version"); } char * dmi_sn() { return dmi_get(SYSFS_CLASS_DMI "product_serial"); } char * dmi_manuf() { return dmi_get(SYSFS_CLASS_DMI "sys_vendor"); } char * dmi_model() { return dmi_get(SYSFS_CLASS_DMI "product_name"); } char * dmi_asset() { return dmi_get(SYSFS_CLASS_DMI "chassis_asset_tag"); } #endif lldpd-1.0.18/src/daemon/dtrace2systemtap.awk0000644000076400001440000000142014111362571020170 0ustar00bernatusers#!/usr/bin/awk -f # Convert a simple dtrace probe files into a tapset. Heavily inspired # by dtrace2systemtap.pl from libvirt ($1 == "provider") { provider = $2 } ($1 == "probe") { name = substr($2, 0, index($2, "(") - 1) split(substr($0, index($0, "(") + 1, index($0, ")") - index($0, "(") - 1), args, /, /) printf "probe %s.%s = process(\"%s/%s\").provider(\"%s\").mark(\"%s\") {\n", provider, name, sbindir, provider, provider, name for (arg in args) { match(args[arg], /^(.+[^a-z_])([a-z_]+)$/, aarg) type = aarg[1] argname = aarg[2] if (type == "char *") printf " %s = user_string($arg%d);\n", argname, arg else printf " %s = $arg%d;\n", argname, arg } printf "}\n\n" } lldpd-1.0.18/src/daemon/agent.h0000644000076400001440000000237414532716672015462 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _AGENT_H #define _AGENT_H #include #include #include #include #ifndef RONLY # define RONLY NETSNMP_OLDAPI_RONLY #endif #define LLDP_OID 1, 0, 8802, 1, 1, 2 #define SNMPTRAP_OID 1, 3, 6, 1, 6, 3, 1, 1, 4, 1, 0 static oid lldp_oid[] = { LLDP_OID }; size_t agent_lldp_vars_size(void); #endif lldpd-1.0.18/src/daemon/forward-linux.c0000644000076400001440000000317414532716672017157 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include static int ip_forwarding_enabled(int af) { int fd, rc = -1; const char *fname; char status; if (af == LLDPD_AF_IPV4) fname = PROCFS_SYS_NET "ipv4/ip_forward"; else if (af == LLDPD_AF_IPV6) fname = PROCFS_SYS_NET "ipv6/conf/all/forwarding"; else return -1; if ((fd = priv_open(fname)) < 0) return -1; if (read(fd, &status, 1) == 1) rc = (status == '1'); close(fd); return rc; } int interfaces_routing_enabled(struct lldpd *cfg) { (void)cfg; int rc; rc = ip_forwarding_enabled(LLDPD_AF_IPV4); /* * Report being a router if IPv4 forwarding is enabled. * In case of error also stop the execution right away. * If IPv4 forwarding is disabled we'll check the IPv6 status. */ if (rc != 0) return rc; return ip_forwarding_enabled(LLDPD_AF_IPV6); } lldpd-1.0.18/src/daemon/client.c0000644000076400001440000005307514532716672015641 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include "trace.h" #include static ssize_t client_handle_none(struct lldpd *cfg, enum hmsg_type *type, void *input, int input_len, void **output, int *subscribed) { log_info("rpc", "received noop request from client"); *type = NONE; return 0; } /* Return the global configuration */ static ssize_t client_handle_get_configuration(struct lldpd *cfg, enum hmsg_type *type, void *input, int input_len, void **output, int *subscribed) { ssize_t output_len; log_debug("rpc", "client requested configuration"); output_len = lldpd_config_serialize(&cfg->g_config, output); if (output_len <= 0) { output_len = 0; *type = NONE; } return output_len; } static char * xstrdup(const char *str) { if (!str) return NULL; return strdup(str); } /* Change the global configuration */ static ssize_t client_handle_set_configuration(struct lldpd *cfg, enum hmsg_type *type, void *input, int input_len, void **output, int *subscribed) { struct lldpd_config *config; log_debug("rpc", "client request a change in configuration"); /* Get the proposed configuration. */ if (lldpd_config_unserialize(input, input_len, &config) <= 0) { *type = NONE; return 0; } #define CHANGED(w) (config->w != cfg->g_config.w) #define CHANGED_STR(w) \ (!(config->w == cfg->g_config.w || \ (config->w && cfg->g_config.w && !strcmp(config->w, cfg->g_config.w)))) /* What needs to be done? Transmit delay? */ if (CHANGED(c_tx_interval) && config->c_tx_interval != 0) { if (config->c_tx_interval < 0) { log_debug("rpc", "client asked for immediate retransmission"); } else { log_debug("rpc", "client change transmit interval to %d ms", config->c_tx_interval); cfg->g_config.c_tx_interval = config->c_tx_interval; cfg->g_config.c_ttl = cfg->g_config.c_tx_interval * cfg->g_config.c_tx_hold; cfg->g_config.c_ttl = (cfg->g_config.c_ttl + 999) / 1000; } levent_send_now(cfg); } if (CHANGED(c_tx_hold) && config->c_tx_hold > 0) { log_debug("rpc", "client change transmit hold to %d", config->c_tx_hold); cfg->g_config.c_tx_hold = config->c_tx_hold; cfg->g_config.c_ttl = cfg->g_config.c_tx_interval * cfg->g_config.c_tx_hold; cfg->g_config.c_ttl = (cfg->g_config.c_ttl + 999) / 1000; } if (CHANGED(c_max_neighbors) && config->c_max_neighbors > 0) { log_debug("rpc", "client change maximum neighbors to %d", config->c_max_neighbors); cfg->g_config.c_max_neighbors = config->c_max_neighbors; } if (CHANGED(c_lldp_portid_type) && config->c_lldp_portid_type > LLDP_PORTID_SUBTYPE_UNKNOWN && config->c_lldp_portid_type <= LLDP_PORTID_SUBTYPE_MAX) { log_debug("rpc", "change lldp portid tlv subtype to %d", config->c_lldp_portid_type); cfg->g_config.c_lldp_portid_type = config->c_lldp_portid_type; levent_update_now(cfg); } if (CHANGED(c_lldp_agent_type) && config->c_lldp_agent_type > LLDP_AGENT_TYPE_UNKNOWN && config->c_lldp_agent_type <= LLDP_AGENT_TYPE_MAX) { log_debug("rpc", "change lldp agent type to %d", config->c_lldp_agent_type); cfg->g_config.c_lldp_agent_type = config->c_lldp_agent_type; levent_update_now(cfg); } /* Pause/resume */ if (CHANGED(c_paused)) { log_debug("rpc", "client asked to %s lldpd", config->c_paused ? "pause" : "resume"); cfg->g_config.c_paused = config->c_paused; levent_send_now(cfg); } #ifdef ENABLE_LLDPMED if (CHANGED(c_enable_fast_start)) { cfg->g_config.c_enable_fast_start = config->c_enable_fast_start; log_debug("rpc", "client asked to %s fast start", cfg->g_config.c_enable_fast_start ? "enable" : "disable"); } if (CHANGED(c_tx_fast_interval) && config->c_tx_fast_interval > 0) { log_debug("rpc", "change fast interval to %d", config->c_tx_fast_interval); cfg->g_config.c_tx_fast_interval = config->c_tx_fast_interval; } #endif if (CHANGED_STR(c_iface_pattern)) { log_debug("rpc", "change interface pattern to %s", config->c_iface_pattern ? config->c_iface_pattern : "(NULL)"); free(cfg->g_config.c_iface_pattern); cfg->g_config.c_iface_pattern = xstrdup(config->c_iface_pattern); levent_update_now(cfg); } if (CHANGED_STR(c_perm_ifaces)) { log_debug("rpc", "change permanent interface pattern to %s", config->c_perm_ifaces ? config->c_perm_ifaces : "(NULL)"); free(cfg->g_config.c_perm_ifaces); cfg->g_config.c_perm_ifaces = xstrdup(config->c_perm_ifaces); levent_update_now(cfg); } if (CHANGED_STR(c_mgmt_pattern)) { log_debug("rpc", "change management pattern to %s", config->c_mgmt_pattern ? config->c_mgmt_pattern : "(NULL)"); free(cfg->g_config.c_mgmt_pattern); cfg->g_config.c_mgmt_pattern = xstrdup(config->c_mgmt_pattern); levent_update_now(cfg); } if (CHANGED_STR(c_cid_string)) { log_debug("rpc", "change chassis ID string to %s", config->c_cid_string ? config->c_cid_string : "(NULL)"); free(cfg->g_config.c_cid_string); cfg->g_config.c_cid_string = xstrdup(config->c_cid_string); free(LOCAL_CHASSIS(cfg)->c_id); LOCAL_CHASSIS(cfg)->c_id = NULL; lldpd_update_localchassis(cfg); levent_update_now(cfg); } if (CHANGED_STR(c_description)) { log_debug("rpc", "change chassis description to %s", config->c_description ? config->c_description : "(NULL)"); free(cfg->g_config.c_description); cfg->g_config.c_description = xstrdup(config->c_description); lldpd_update_localchassis(cfg); levent_update_now(cfg); } if (CHANGED_STR(c_platform)) { log_debug("rpc", "change platform description to %s", config->c_platform ? config->c_platform : "(NULL)"); free(cfg->g_config.c_platform); cfg->g_config.c_platform = xstrdup(config->c_platform); lldpd_update_localchassis(cfg); levent_update_now(cfg); } if (CHANGED_STR(c_hostname)) { log_debug("rpc", "change system name to %s", config->c_hostname ? config->c_hostname : "(NULL)"); free(cfg->g_config.c_hostname); cfg->g_config.c_hostname = xstrdup(config->c_hostname); lldpd_update_localchassis(cfg); levent_update_now(cfg); } if (CHANGED(c_set_ifdescr)) { log_debug("rpc", "%s setting of interface description based on discovered neighbors", config->c_set_ifdescr ? "enable" : "disable"); cfg->g_config.c_set_ifdescr = config->c_set_ifdescr; levent_update_now(cfg); } if (CHANGED(c_promisc)) { log_debug("rpc", "%s promiscuous mode on managed interfaces", config->c_promisc ? "enable" : "disable"); cfg->g_config.c_promisc = config->c_promisc; levent_update_now(cfg); } if (CHANGED(c_cap_advertise)) { log_debug("rpc", "%s chassis capabilities advertisement", config->c_cap_advertise ? "enable" : "disable"); cfg->g_config.c_cap_advertise = config->c_cap_advertise; levent_update_now(cfg); } if (CHANGED(c_cap_override)) { log_debug("rpc", "%s chassis capabilities override", config->c_cap_override ? "enable" : "disable"); cfg->g_config.c_cap_override = config->c_cap_override; levent_update_now(cfg); } if (CHANGED(c_mgmt_advertise)) { log_debug("rpc", "%s management addresses advertisement", config->c_mgmt_advertise ? "enable" : "disable"); cfg->g_config.c_mgmt_advertise = config->c_mgmt_advertise; levent_update_now(cfg); } if (CHANGED(c_bond_slave_src_mac_type)) { if (config->c_bond_slave_src_mac_type > LLDP_BOND_SLAVE_SRC_MAC_TYPE_UNKNOWN && config->c_bond_slave_src_mac_type <= LLDP_BOND_SLAVE_SRC_MAC_TYPE_MAX) { log_debug("rpc", "change bond src mac type to %d", config->c_bond_slave_src_mac_type); cfg->g_config.c_bond_slave_src_mac_type = config->c_bond_slave_src_mac_type; } else { log_info("rpc", "Invalid bond slave src mac type: %d\n", config->c_bond_slave_src_mac_type); } } lldpd_config_cleanup(config); free(config); return 0; } /* Return the list of interfaces. Input: nothing. Output: list of interface names (lldpd_interface_list) */ static ssize_t client_handle_get_interfaces(struct lldpd *cfg, enum hmsg_type *type, void *input, int input_len, void **output, int *subscribed) { struct lldpd_interface *iff, *iff_next; struct lldpd_hardware *hardware; ssize_t output_len; /* Build the list of interfaces */ struct lldpd_interface_list ifs; log_debug("rpc", "client request the list of interfaces"); TAILQ_INIT(&ifs); TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) { if ((iff = (struct lldpd_interface *)malloc( sizeof(struct lldpd_interface))) == NULL) fatal("rpc", NULL); iff->name = hardware->h_ifname; TAILQ_INSERT_TAIL(&ifs, iff, next); } output_len = lldpd_interface_list_serialize(&ifs, output); if (output_len <= 0) { output_len = 0; *type = NONE; } /* Free the temporary list */ for (iff = TAILQ_FIRST(&ifs); iff != NULL; iff = iff_next) { iff_next = TAILQ_NEXT(iff, next); TAILQ_REMOVE(&ifs, iff, next); free(iff); } return output_len; } /** * Set local chassis info * Input: chassis object * Output: updated chassis object */ static ssize_t client_handle_set_local_chassis(struct lldpd *cfg, enum hmsg_type *type, void *input, int input_len, void **output, int *subscribed) { struct lldpd_chassis *chassis = NULL; struct lldpd_chassis *local_chassis = NULL; #ifdef ENABLE_LLDPMED struct utsname un; #endif log_debug("rpc", "client request a change in chassis configuration"); if (lldpd_chassis_unserialize(input, input_len, &chassis) <= 0) { *type = NONE; return 0; } local_chassis = LOCAL_CHASSIS(cfg); #ifdef ENABLE_LLDPMED free(local_chassis->c_med_hw); local_chassis->c_med_hw = (!chassis->c_med_hw) ? dmi_hw() : strdup(chassis->c_med_hw); // Follows lldpd.c - only set sw if advertising is enabled if (cfg->g_config.c_advertise_version) { free(local_chassis->c_med_sw); if (!chassis->c_med_sw) { if (uname(&un) < 0) { log_warn("rpc", "Could not get default uname. Will continue anyway."); local_chassis->c_med_sw = NULL; } else { local_chassis->c_med_sw = strdup(un.release); } } else { local_chassis->c_med_sw = strdup(chassis->c_med_sw); } } free(local_chassis->c_med_fw); local_chassis->c_med_fw = (!chassis->c_med_fw) ? dmi_fw() : strdup(chassis->c_med_fw); free(local_chassis->c_med_sn); local_chassis->c_med_sn = (!chassis->c_med_sn) ? dmi_sn() : strdup(chassis->c_med_sn); free(local_chassis->c_med_manuf); local_chassis->c_med_manuf = (!chassis->c_med_manuf) ? dmi_manuf() : strdup(chassis->c_med_manuf); free(local_chassis->c_med_model); local_chassis->c_med_model = (!chassis->c_med_model) ? dmi_model() : strdup(chassis->c_med_model); free(local_chassis->c_med_asset); local_chassis->c_med_asset = (!chassis->c_med_asset) ? dmi_asset() : strdup(chassis->c_med_asset); #endif if (chassis->c_cap_enabled != local_chassis->c_cap_enabled) { local_chassis->c_cap_enabled = chassis->c_cap_enabled; log_debug("rpc", "change capabilities enabled to: %d", local_chassis->c_cap_enabled); } #ifdef ENABLE_LLDPMED log_debug("rpc", "change hardware-revision to: %s", local_chassis->c_med_hw); log_debug("rpc", "change software-revision to: %s", local_chassis->c_med_sw); log_debug("rpc", "change firmware-revision to: %s", local_chassis->c_med_fw); log_debug("rpc", "change serial-number to: %s", local_chassis->c_med_sn); log_debug("rpc", "change manufacturer to: %s", local_chassis->c_med_manuf); log_debug("rpc", "change model to: %s", local_chassis->c_med_model); log_debug("rpc", "change asset to: %s", local_chassis->c_med_asset); #endif lldpd_chassis_cleanup(chassis, 1); ssize_t output_len = lldpd_chassis_serialize(local_chassis, output); if (output_len <= 0) { *type = NONE; return 0; } return output_len; } /* Return the local chassis. Input: nothing. Output: local chassis (lldpd_chassis) */ static ssize_t client_handle_get_local_chassis(struct lldpd *cfg, enum hmsg_type *type, void *input, int input_len, void **output, int *subscribed) { struct lldpd_chassis *chassis = LOCAL_CHASSIS(cfg); ssize_t output_len; log_debug("rpc", "client request the local chassis"); output_len = lldpd_chassis_serialize(chassis, output); if (output_len <= 0) { output_len = 0; *type = NONE; } return output_len; } /* Return all available information related to an interface Input: name of the interface (serialized) Output: Information about the interface (lldpd_hardware) */ static ssize_t client_handle_get_interface(struct lldpd *cfg, enum hmsg_type *type, void *input, int input_len, void **output, int *subscribed) { char *name; struct lldpd_hardware *hardware; void *p; /* Get name of the interface */ if (marshal_unserialize(string, input, input_len, &p) <= 0) { *type = NONE; return 0; } name = p; /* Search appropriate hardware */ log_debug("rpc", "client request interface %s", name); TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) if (!strcmp(hardware->h_ifname, name)) { ssize_t output_len = lldpd_hardware_serialize(hardware, output); free(name); if (output_len <= 0) { *type = NONE; return 0; } return output_len; } log_warnx("rpc", "no interface %s found", name); free(name); *type = NONE; return 0; } /* Return all available information related to an interface Input: name of the interface (serialized) Output: Information about the interface (lldpd_hardware) */ static ssize_t client_handle_get_default_port(struct lldpd *cfg, enum hmsg_type *type, void *input, int input_len, void **output, int *subscribed) { log_debug("rpc", "client request the default local port"); ssize_t output_len = lldpd_port_serialize(cfg->g_default_local_port, output); if (output_len <= 0) { *type = NONE; return 0; } return output_len; } static int _client_handle_set_port(struct lldpd *cfg, struct lldpd_port *port, struct lldpd_port_set *set) { #ifdef ENABLE_LLDPMED struct lldpd_med_loc *loc = NULL; #endif if (set->local_id) { log_debug("rpc", "requested change to Port ID"); free(port->p_id); port->p_id = strdup(set->local_id); port->p_id_len = strlen(set->local_id); port->p_id_subtype = LLDP_PORTID_SUBTYPE_LOCAL; port->p_descr_force = 0; } if (set->local_descr) { log_debug("rpc", "requested change to Port Description"); free(port->p_descr); port->p_descr = strdup(set->local_descr); port->p_descr_force = 1; } switch (set->rxtx) { case LLDPD_RXTX_TXONLY: log_debug("rpc", "requested TX only mode"); port->p_disable_rx = 1; port->p_disable_tx = 0; break; case LLDPD_RXTX_RXONLY: log_debug("rpc", "requested RX only mode"); port->p_disable_rx = 0; port->p_disable_tx = 1; break; case LLDPD_RXTX_BOTH: log_debug("rpc", "requested RX/TX mode"); port->p_disable_rx = port->p_disable_tx = 0; break; case LLDPD_RXTX_DISABLED: log_debug("rpc", "requested disabled mode"); port->p_disable_rx = port->p_disable_tx = 1; break; } if (set->vlan_tx_enabled > -1) { port->p_vlan_tx_enabled = set->vlan_tx_enabled; port->p_vlan_tx_tag = set->vlan_tx_tag; } #ifdef ENABLE_LLDPMED if (set->med_policy && set->med_policy->type > 0) { log_debug("rpc", "requested change to MED policy"); if (set->med_policy->type > LLDP_MED_APPTYPE_LAST) { log_warnx("rpc", "invalid policy provided: %d", set->med_policy->type); return -1; } memcpy(&port->p_med_policy[set->med_policy->type - 1], set->med_policy, sizeof(struct lldpd_med_policy)); port->p_med_cap_enabled |= LLDP_MED_CAP_POLICY; } if (set->med_location && set->med_location->format > 0) { char *newdata = NULL; log_debug("rpc", "requested change to MED location"); if (set->med_location->format > LLDP_MED_LOCFORMAT_LAST) { log_warnx("rpc", "invalid location format provided: %d", set->med_location->format); return -1; } loc = &port->p_med_location[set->med_location->format - 1]; free(loc->data); memcpy(loc, set->med_location, sizeof(struct lldpd_med_loc)); if (!loc->data || !(newdata = malloc(loc->data_len))) loc->data_len = 0; if (newdata) memcpy(newdata, loc->data, loc->data_len); loc->data = newdata; port->p_med_cap_enabled |= LLDP_MED_CAP_LOCATION; } if (set->med_power) { log_debug("rpc", "requested change to MED power"); memcpy(&port->p_med_power, set->med_power, sizeof(struct lldpd_med_power)); switch (set->med_power->devicetype) { case LLDP_MED_POW_TYPE_PD: port->p_med_cap_enabled |= LLDP_MED_CAP_MDI_PD; port->p_med_cap_enabled &= ~LLDP_MED_CAP_MDI_PSE; break; case LLDP_MED_POW_TYPE_PSE: port->p_med_cap_enabled |= LLDP_MED_CAP_MDI_PSE; port->p_med_cap_enabled &= ~LLDP_MED_CAP_MDI_PD; break; } } #endif #ifdef ENABLE_DOT3 if (set->dot3_power) { log_debug("rpc", "requested change to Dot3 power"); memcpy(&port->p_power, set->dot3_power, sizeof(struct lldpd_dot3_power)); } #endif #ifdef ENABLE_CUSTOM if (set->custom_list_clear) { log_debug("rpc", "requested custom TLVs clear"); lldpd_custom_list_cleanup(port); } else { if (set->custom) { log_info("rpc", "custom TLV op %s oui %02x:%02x:%02x subtype %x", (set->custom_tlv_op == CUSTOM_TLV_REMOVE) ? "remove" : (set->custom_tlv_op == CUSTOM_TLV_ADD) ? "add" : "replace", set->custom->oui[0], set->custom->oui[1], set->custom->oui[2], set->custom->subtype); switch (set->custom_tlv_op) { case CUSTOM_TLV_REMOVE: lldpd_custom_tlv_cleanup(port, set->custom); break; case CUSTOM_TLV_ADD: lldpd_custom_tlv_add(port, set->custom); break; case CUSTOM_TLV_REPLACE: default: lldpd_custom_tlv_cleanup(port, set->custom); lldpd_custom_tlv_add(port, set->custom); break; } } } #endif return 0; } /* Set some port related settings (policy, location, power) Input: name of the interface, policy/location/power setting to be modified Output: nothing */ static ssize_t client_handle_set_port(struct lldpd *cfg, enum hmsg_type *type, void *input, int input_len, void **output, int *subscribed) { int ret = 0; struct lldpd_port_set *set = NULL; struct lldpd_hardware *hardware = NULL; if (lldpd_port_set_unserialize(input, input_len, &set) <= 0) { *type = NONE; return 0; } if (!set->ifname) { log_warnx("rpc", "no interface provided"); goto set_port_finished; } /* Search the appropriate hardware */ if (strlen(set->ifname) == 0) { log_debug("rpc", "client request change to default port"); if (_client_handle_set_port(cfg, cfg->g_default_local_port, set) == -1) goto set_port_finished; ret = 1; } else { log_debug("rpc", "client request change to port %s", set->ifname); TAILQ_FOREACH (hardware, &cfg->g_hardware, h_entries) { if (!strcmp(hardware->h_ifname, set->ifname)) { struct lldpd_port *port = &hardware->h_lport; if (_client_handle_set_port(cfg, port, set) == -1) goto set_port_finished; ret = 1; break; } } } if (ret == 0) log_warn("rpc", "no interface %s found", set->ifname); else levent_update_now(cfg); set_port_finished: if (!ret) *type = NONE; free(set->ifname); free(set->local_id); free(set->local_descr); #ifdef ENABLE_LLDPMED free(set->med_policy); if (set->med_location) free(set->med_location->data); free(set->med_location); free(set->med_power); #endif #ifdef ENABLE_DOT3 free(set->dot3_power); #endif #ifdef ENABLE_CUSTOM if (set->custom) { free(set->custom->oui_info); free(set->custom); } #endif free(set); return 0; } /* Register subscribtion to neighbor changes */ static ssize_t client_handle_subscribe(struct lldpd *cfg, enum hmsg_type *type, void *input, int input_len, void **output, int *subscribed) { log_debug("rpc", "client subscribe to changes"); *subscribed = 1; return 0; } struct client_handle { enum hmsg_type type; const char *name; ssize_t ( *handle)(struct lldpd *, enum hmsg_type *, void *, int, void **, int *); }; static struct client_handle client_handles[] = { { NONE, "None", client_handle_none }, { GET_CONFIG, "Get configuration", client_handle_get_configuration }, { SET_CONFIG, "Set configuration", client_handle_set_configuration }, { GET_INTERFACES, "Get interfaces", client_handle_get_interfaces }, { GET_INTERFACE, "Get interface", client_handle_get_interface }, { GET_DEFAULT_PORT, "Get default port", client_handle_get_default_port }, { SET_CHASSIS, "Set local chassis", client_handle_set_local_chassis }, { GET_CHASSIS, "Get local chassis", client_handle_get_local_chassis }, { SET_PORT, "Set port", client_handle_set_port }, { SUBSCRIBE, "Subscribe", client_handle_subscribe }, { 0, NULL } }; int client_handle_client(struct lldpd *cfg, ssize_t (*send)(void *, int, void *, size_t), void *out, enum hmsg_type type, void *buffer, size_t n, int *subscribed) { struct client_handle *ch; void *answer; ssize_t len, sent; log_debug("rpc", "handle client request"); for (ch = client_handles; ch->handle != NULL; ch++) { if (ch->type == type) { TRACE(LLDPD_CLIENT_REQUEST(ch->name)); answer = NULL; len = ch->handle(cfg, &type, buffer, n, &answer, subscribed); sent = send(out, type, answer, len); free(answer); return sent; } } log_warnx("rpc", "unknown message request (%d) received", type); return -1; } lldpd-1.0.18/src/daemon/lldp-tlv.h0000644000076400001440000000463214532716672016121 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _LLDP_TLV_H #define _LLDP_TLV_H #define LLDP_ADDR_NEAREST_BRIDGE \ { \ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x0e \ } #define LLDP_ADDR_NEAREST_NONTPMR_BRIDGE \ { \ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 \ } #define LLDP_ADDR_NEAREST_CUSTOMER_BRIDGE \ { \ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x00 \ } #define LLDP_TLV_END 0 #define LLDP_TLV_CHASSIS_ID 1 #define LLDP_TLV_PORT_ID 2 #define LLDP_TLV_TTL 3 #define LLDP_TLV_PORT_DESCR 4 #define LLDP_TLV_SYSTEM_NAME 5 #define LLDP_TLV_SYSTEM_DESCR 6 #define LLDP_TLV_SYSTEM_CAP 7 #define LLDP_TLV_MGMT_ADDR 8 #define LLDP_TLV_ORG_DOT1 \ { \ 0x00, 0x80, 0xc2 \ } #define LLDP_TLV_ORG_DOT3 \ { \ 0x00, 0x12, 0x0f \ } #define LLDP_TLV_ORG_MED \ { \ 0x00, 0x12, 0xbb \ } #define LLDP_TLV_ORG_DCBX \ { \ 0x00, 0x1b, 0x21 \ } #define LLDP_TLV_DOT1_PVID 1 #define LLDP_TLV_DOT1_PPVID 2 #define LLDP_TLV_DOT1_VLANNAME 3 #define LLDP_TLV_DOT1_PI 4 #define LLDP_TLV_DOT3_MAC 1 #define LLDP_TLV_DOT3_POWER 2 #define LLDP_TLV_DOT3_LA 3 #define LLDP_TLV_DOT3_MFS 4 #define LLDP_TLV_MED_CAP 1 #define LLDP_TLV_MED_POLICY 2 #define LLDP_TLV_MED_LOCATION 3 #define LLDP_TLV_MED_MDI 4 #define LLDP_TLV_MED_IV_HW 5 #define LLDP_TLV_MED_IV_FW 6 #define LLDP_TLV_MED_IV_SW 7 #define LLDP_TLV_MED_IV_SN 8 #define LLDP_TLV_MED_IV_MANUF 9 #define LLDP_TLV_MED_IV_MODEL 10 #define LLDP_TLV_MED_IV_ASSET 11 #endif lldpd-1.0.18/src/daemon/dmi-freebsd.c0000644000076400001440000000360614532716672016537 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" #include #include #ifdef ENABLE_LLDPMED /* Fill in inventory stuff: - hardware version: smbios.system.version - firmware version: smbios.bios.version - software version: `uname -r` - serial number: smbios.system.serial - manufacturer: smbios.system.maker - model: smbios.system.product - asset: smbios.chassis.tag */ static char * dmi_get(char *file) { char buffer[100] = {}; log_debug("localchassis", "DMI request for %s", file); if (kenv(KENV_GET, file, buffer, sizeof(buffer) - 1) == -1) { log_debug("localchassis", "cannot get %s", file); return NULL; } if (strlen(buffer)) return strdup(buffer); return NULL; } char * dmi_hw() { return dmi_get("smbios.system.version"); } char * dmi_fw() { return dmi_get("smbios.bios.version"); } char * dmi_sn() { return dmi_get("smbios.system.serial"); } char * dmi_manuf() { return dmi_get("smbios.system.maker"); } char * dmi_model() { return dmi_get("smibios.system.product"); } char * dmi_asset() { return dmi_get("smibios.chassis.tag"); } #endif lldpd-1.0.18/src/daemon/privsep.c0000644000076400001440000000061614532716672016044 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ #include "lldpd.h" static int privileged, unprivileged; void priv_privileged_fd(int fd) { privileged = fd; } void priv_unprivileged_fd(int fd) { unprivileged = fd; } int priv_fd(enum priv_context ctx) { switch (ctx) { case PRIV_PRIVILEGED: return privileged; case PRIV_UNPRIVILEGED: return unprivileged; } return -1; /* Not possible */ } lldpd-1.0.18/src/daemon/forward-solaris.c0000644000076400001440000000213514532716672017470 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "lldpd.h" int interfaces_routing_enabled(struct lldpd *cfg) { /* Dunno how to get this for Solaris. See the commit introducing Solaris support (maybe c3e340b6be8add4eb3a41882847a96e66793e82c) for a solution which does not work in a chroot. */ return 0; } lldpd-1.0.18/src/daemon/netlink.c0000644000076400001440000006610014533436173016014 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* Grabbing interfaces information with netlink only. */ #include "lldpd.h" #include #include #include #include #include #include #include #define NETLINK_BUFFER 4096 struct netlink_req { struct nlmsghdr hdr; struct ifinfomsg ifm; /* attribute has to be NLMSG aligned */ struct rtattr ext_req __attribute__((aligned(NLMSG_ALIGNTO))); __u32 ext_filter_mask; }; struct lldpd_netlink { int nl_socket_queries; int nl_socket_changes; int nl_socket_recv_size; /* Cache */ struct interfaces_device_list *devices; struct interfaces_address_list *addresses; }; /** * Set netlink socket buffer size. * * This returns the effective size on success. If the provided value is 0, this * returns the current size instead. It returns -1 on system errors and -2 if * the size was not changed appropriately (when reaching the max). */ static int netlink_socket_set_buffer_size(int s, int optname, const char *optname_str, int bufsize) { socklen_t size = sizeof(int); int got = 0; if (bufsize > 0 && setsockopt(s, SOL_SOCKET, optname, &bufsize, sizeof(bufsize)) < 0) { log_warn("netlink", "unable to set %s to '%d'", optname_str, bufsize); return -1; } /* Now read them back from kernel. * SO_SNDBUF & SO_RCVBUF are cap-ed at sysctl `net.core.rmem_max` & * `net.core.wmem_max`. This it the easiest [probably sanest too] * to validate that our socket buffers were set properly. */ if (getsockopt(s, SOL_SOCKET, optname, &got, &size) < 0) { log_warn("netlink", "unable to get %s", optname_str); return -1; } if (bufsize > 0 && got < bufsize) { log_warnx("netlink", "tried to set %s to '%d' " "but got '%d'", optname_str, bufsize, got); return -2; } return got; } /** * Connect to netlink. * * Open a Netlink socket and connect to it. * * @param groups Which groups we want to subscribe to * @return 0 on success, -1 otherwise */ static int netlink_connect(struct lldpd *cfg, unsigned groups) { int s1 = -1, s2 = -1; struct sockaddr_nl local = { .nl_family = AF_NETLINK, .nl_pid = 0, .nl_groups = groups }; /* Open Netlink socket for subscriptions */ log_debug("netlink", "opening netlink sockets"); s1 = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); if (s1 == -1) { log_warn("netlink", "unable to open netlink socket for changes"); goto error; } if (NETLINK_SEND_BUFSIZE && netlink_socket_set_buffer_size(s1, SO_SNDBUF, "SO_SNDBUF", NETLINK_SEND_BUFSIZE) == -1) { log_warn("netlink", "unable to set send buffer size"); goto error; } int rc = netlink_socket_set_buffer_size(s1, SO_RCVBUF, "SO_RCVBUF", NETLINK_RECEIVE_BUFSIZE); switch (rc) { case -1: log_warn("netlink", "unable to set receiver buffer size"); goto error; case -2: /* Cannot set size */ cfg->g_netlink->nl_socket_recv_size = 0; break; default: cfg->g_netlink->nl_socket_recv_size = rc; break; } if (groups && bind(s1, (struct sockaddr *)&local, sizeof(struct sockaddr_nl)) < 0) { log_warn("netlink", "unable to bind netlink socket"); goto error; } /* Opening Netlink socket to for queries */ s2 = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); if (s2 == -1) { log_warn("netlink", "unable to open netlink socket for queries"); goto error; } cfg->g_netlink->nl_socket_changes = s1; cfg->g_netlink->nl_socket_queries = s2; return 0; error: if (s1 != -1) close(s1); if (s2 != -1) close(s2); return -1; } /** * Send a netlink message. * * The type of the message can be chosen as well the route family. The * mesage will always be NLM_F_REQUEST | NLM_F_DUMP. * * @param s the netlink socket * @param type the request type (eg RTM_GETLINK) * @param family the rt family (eg AF_PACKET) * @return 0 on success, -1 otherwise */ static int netlink_send(int s, int type, int family, int seq) { struct netlink_req req = { .hdr = { .nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), .nlmsg_type = type, .nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP, .nlmsg_seq = seq, .nlmsg_pid = getpid() }, .ifm = { .ifi_family = family } }; struct iovec iov = { .iov_base = &req, .iov_len = req.hdr.nlmsg_len }; struct sockaddr_nl peer = { .nl_family = AF_NETLINK }; struct msghdr rtnl_msg = { .msg_iov = &iov, .msg_iovlen = 1, .msg_name = &peer, .msg_namelen = sizeof(struct sockaddr_nl) }; if (family == AF_BRIDGE) { unsigned int len = RTA_LENGTH(sizeof(__u32)); /* request bridge vlan attributes */ req.ext_req.rta_type = IFLA_EXT_MASK; req.ext_req.rta_len = len; req.ext_filter_mask = RTEXT_FILTER_BRVLAN; req.hdr.nlmsg_len = NLMSG_ALIGN(req.hdr.nlmsg_len) + RTA_ALIGN(len); iov.iov_len = req.hdr.nlmsg_len; } /* Send netlink message. This is synchronous but we are guaranteed * to not block. */ log_debug("netlink", "sending netlink message"); if (sendmsg(s, (struct msghdr *)&rtnl_msg, 0) == -1) { log_warn("netlink", "unable to send netlink message"); return -1; } return 0; } static void netlink_parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len) { while (RTA_OK(rta, len)) { if ((rta->rta_type <= max) && (!tb[rta->rta_type])) tb[rta->rta_type] = rta; rta = RTA_NEXT(rta, len); } } /** * Parse a `linkinfo` attributes. * * @param iff where to put the result * @param rta linkinfo attribute * @param len length of attributes */ static void netlink_parse_linkinfo(struct interfaces_device *iff, struct rtattr *rta, int len) { struct rtattr *link_info_attrs[IFLA_INFO_MAX + 1] = {}; char *kind = NULL; uint16_t vlan_id; netlink_parse_rtattr(link_info_attrs, IFLA_INFO_MAX, rta, len); if (link_info_attrs[IFLA_INFO_KIND]) { kind = strdup(RTA_DATA(link_info_attrs[IFLA_INFO_KIND])); if (kind) { if (!strcmp(kind, "vlan")) { log_debug("netlink", "interface %s is a VLAN", iff->name); iff->type |= IFACE_VLAN_T; } else if (!strcmp(kind, "bridge")) { log_debug("netlink", "interface %s is a bridge", iff->name); iff->type |= IFACE_BRIDGE_T; } else if (!strcmp(kind, "bond")) { log_debug("netlink", "interface %s is a bond", iff->name); iff->type |= IFACE_BOND_T; } else if (!strcmp(kind, "team")) { log_debug("netlink", "interface %s is a team", iff->name); iff->type |= IFACE_BOND_T; } } } if (kind && !strcmp(kind, "vlan") && link_info_attrs[IFLA_INFO_DATA]) { struct rtattr *vlan_link_info_data_attrs[IFLA_VLAN_MAX + 1] = {}; netlink_parse_rtattr(vlan_link_info_data_attrs, IFLA_VLAN_MAX, RTA_DATA(link_info_attrs[IFLA_INFO_DATA]), RTA_PAYLOAD(link_info_attrs[IFLA_INFO_DATA])); if (vlan_link_info_data_attrs[IFLA_VLAN_ID]) { vlan_id = *(uint16_t *)RTA_DATA( vlan_link_info_data_attrs[IFLA_VLAN_ID]); bitmap_set(iff->vlan_bmap, vlan_id); log_debug("netlink", "VLAN ID for interface %s is %d", iff->name, vlan_id); } } if (kind && !strcmp(kind, "bridge") && link_info_attrs[IFLA_INFO_DATA]) { struct rtattr *bridge_link_info_data_attrs[IFLA_BR_MAX + 1] = {}; netlink_parse_rtattr(bridge_link_info_data_attrs, IFLA_BR_MAX, RTA_DATA(link_info_attrs[IFLA_INFO_DATA]), RTA_PAYLOAD(link_info_attrs[IFLA_INFO_DATA])); if (bridge_link_info_data_attrs[IFLA_BR_VLAN_FILTERING] && *(uint8_t *)RTA_DATA( bridge_link_info_data_attrs[IFLA_BR_VLAN_FILTERING]) > 0) { iff->type |= IFACE_BRIDGE_VLAN_T; } } free(kind); } /** * Parse a `afspec` attributes. * * @param iff where to put the result * @param rta afspec attribute * @param len length of attributes */ static void netlink_parse_afspec(struct interfaces_device *iff, struct rtattr *rta, int len) { while (RTA_OK(rta, len)) { struct bridge_vlan_info *vinfo; switch (rta->rta_type) { case IFLA_BRIDGE_VLAN_INFO: vinfo = RTA_DATA(rta); log_debug("netlink", "found VLAN %d on interface %s", vinfo->vid, iff->name ? iff->name : "(unknown)"); bitmap_set(iff->vlan_bmap, vinfo->vid); if (vinfo->flags & (BRIDGE_VLAN_INFO_PVID | BRIDGE_VLAN_INFO_UNTAGGED)) iff->pvid = vinfo->vid; break; default: log_debug("netlink", "unknown afspec attribute type %d for iface %s", rta->rta_type, iff->name ? iff->name : "(unknown)"); break; } rta = RTA_NEXT(rta, len); } /* All enbridged interfaces will have VLAN 1 by default, ignore it */ if (iff->vlan_bmap[0] == 2 && (bitmap_numbits(iff->vlan_bmap) == 1) && iff->pvid == 1) { log_debug("netlink", "found only default VLAN 1 on interface %s, removing", iff->name ? iff->name : "(unknown)"); iff->vlan_bmap[0] = iff->pvid = 0; } } /** * Parse a `link` netlink message. * * @param msg message to be parsed * @param iff where to put the result * return 0 if the interface is worth it, -1 otherwise */ static int netlink_parse_link(struct nlmsghdr *msg, struct interfaces_device *iff) { struct ifinfomsg *ifi; struct rtattr *attribute; int len; ifi = NLMSG_DATA(msg); len = msg->nlmsg_len - NLMSG_LENGTH(sizeof(struct ifinfomsg)); if (ifi->ifi_type != ARPHRD_ETHER) { log_debug("netlink", "skip non Ethernet interface at index %d", ifi->ifi_index); return -1; } iff->index = ifi->ifi_index; iff->flags = ifi->ifi_flags; iff->lower_idx = -1; iff->upper_idx = -1; for (attribute = IFLA_RTA(ifi); RTA_OK(attribute, len); attribute = RTA_NEXT(attribute, len)) { switch (attribute->rta_type) { case IFLA_IFNAME: /* Interface name */ iff->name = strdup(RTA_DATA(attribute)); break; case IFLA_IFALIAS: /* Interface alias */ iff->alias = strdup(RTA_DATA(attribute)); break; case IFLA_ADDRESS: /* Interface MAC address */ iff->address = malloc(RTA_PAYLOAD(attribute)); if (iff->address) memcpy(iff->address, RTA_DATA(attribute), RTA_PAYLOAD(attribute)); break; case IFLA_LINK: /* Index of "lower" interface */ if (iff->lower_idx == -1) { iff->lower_idx = *(int *)RTA_DATA(attribute); log_debug("netlink", "attribute IFLA_LINK for %s: %d", iff->name ? iff->name : "(unknown)", iff->lower_idx); } else { log_debug("netlink", "attribute IFLA_LINK for %s: %d (ignored)", iff->name ? iff->name : "(unknown)", iff->lower_idx); } break; case IFLA_LINK_NETNSID: /* Is the lower interface into another namesapce? */ iff->lower_idx = -2; log_debug("netlink", "attribute IFLA_LINK_NETNSID received for %s", iff->name ? iff->name : "(unknown)"); break; case IFLA_MASTER: /* Index of master interface */ iff->upper_idx = *(int *)RTA_DATA(attribute); break; case IFLA_MTU: /* Maximum Transmission Unit */ iff->mtu = *(int *)RTA_DATA(attribute); break; case IFLA_LINKINFO: netlink_parse_linkinfo(iff, RTA_DATA(attribute), RTA_PAYLOAD(attribute)); break; case IFLA_AF_SPEC: if (ifi->ifi_family != AF_BRIDGE) break; netlink_parse_afspec(iff, RTA_DATA(attribute), RTA_PAYLOAD(attribute)); break; default: log_debug("netlink", "unhandled link attribute type %d for iface %s", attribute->rta_type, iff->name ? iff->name : "(unknown)"); break; } } if (!iff->name || !iff->address) { log_debug("netlink", "interface %d does not have a name or an address, skip", iff->index); return -1; } if (iff->upper_idx == -1) { /* No upper interface, we cannot be enslaved. We need to clear * the flag because the appropriate information may come later * and we don't want to miss it. */ iff->flags &= ~IFF_SLAVE; } if (iff->lower_idx == -2) iff->lower_idx = -1; if (ifi->ifi_family == AF_BRIDGE && msg->nlmsg_type == RTM_DELLINK && iff->upper_idx != -1) { log_debug("netlink", "removal of %s from bridge %d", iff->name, iff->upper_idx); msg->nlmsg_type = RTM_NEWLINK; iff->upper_idx = -1; } log_debug("netlink", "parsed link %d (%s, flags: %d)", iff->index, iff->name, iff->flags); return 0; } /** * Parse a `address` netlink message. * * @param msg message to be parsed * @param ifa where to put the result * return 0 if the address is worth it, -1 otherwise */ static int netlink_parse_address(struct nlmsghdr *msg, struct interfaces_address *ifa) { struct ifaddrmsg *ifi; struct rtattr *attribute; int len; ifi = NLMSG_DATA(msg); len = msg->nlmsg_len - NLMSG_LENGTH(sizeof(struct ifaddrmsg)); ifa->index = ifi->ifa_index; ifa->flags = ifi->ifa_flags; switch (ifi->ifa_family) { case AF_INET: case AF_INET6: break; default: log_debug("netlink", "got a non IP address on if %d (family: %d)", ifa->index, ifi->ifa_family); return -1; } for (attribute = IFA_RTA(ifi); RTA_OK(attribute, len); attribute = RTA_NEXT(attribute, len)) { switch (attribute->rta_type) { case IFA_ADDRESS: /* Address */ if (ifi->ifa_family == AF_INET) { struct sockaddr_in ip; memset(&ip, 0, sizeof(struct sockaddr_in)); ip.sin_family = AF_INET; memcpy(&ip.sin_addr, RTA_DATA(attribute), sizeof(struct in_addr)); memcpy(&ifa->address, &ip, sizeof(struct sockaddr_in)); } else { struct sockaddr_in6 ip6; memset(&ip6, 0, sizeof(struct sockaddr_in6)); ip6.sin6_family = AF_INET6; memcpy(&ip6.sin6_addr, RTA_DATA(attribute), sizeof(struct in6_addr)); memcpy(&ifa->address, &ip6, sizeof(struct sockaddr_in6)); } break; default: log_debug("netlink", "unhandled address attribute type %d for iface %d", attribute->rta_type, ifa->index); break; } } if (ifa->address.ss_family == AF_UNSPEC) { log_debug("netlink", "no IP for interface %d", ifa->index); return -1; } return 0; } /** * Merge an old interface with a new one. * * Some properties may be absent in the new interface that should be copied over * from the old one. */ static void netlink_merge(struct interfaces_device *old, struct interfaces_device *new) { if (new->alias == NULL) { new->alias = old->alias; old->alias = NULL; } if (new->address == NULL) { new->address = old->address; old->address = NULL; } if (new->mtu == 0) new->mtu = old->mtu; if (new->type == 0) new->type = old->type; if (bitmap_isempty(new->vlan_bmap) && new->type == IFACE_VLAN_T) memcpy((void *)new->vlan_bmap, (void *)old->vlan_bmap, sizeof(uint32_t) * VLAN_BITMAP_LEN); /* It's not possible for lower link to change */ new->lower_idx = old->lower_idx; } /** * Receive netlink answer from the kernel. * * @param ifs list to store interface list or NULL if we don't * @param ifas list to store address list or NULL if we don't * @return 0 on success, -1 on error */ static int netlink_recv(struct lldpd *cfg, int s, struct interfaces_device_list *ifs, struct interfaces_address_list *ifas) { int end = 0, ret = 0, flags, retry = 0; struct iovec iov; int link_update = 0; struct interfaces_device *ifdold; struct interfaces_device *ifdnew; struct interfaces_address *ifaold; struct interfaces_address *ifanew; char addr[INET6_ADDRSTRLEN + 1]; iov.iov_len = NETLINK_BUFFER; iov.iov_base = malloc(iov.iov_len); if (!iov.iov_base) { log_warn("netlink", "not enough memory"); return -1; } while (!end) { ssize_t len; struct nlmsghdr *msg; struct sockaddr_nl peer = { .nl_family = AF_NETLINK }; struct msghdr rtnl_reply = { .msg_iov = &iov, .msg_iovlen = 1, .msg_name = &peer, .msg_namelen = sizeof(struct sockaddr_nl) }; flags = MSG_PEEK | MSG_TRUNC; retry: len = recvmsg(s, &rtnl_reply, flags); if (len == -1) { if (errno == EAGAIN || errno == EWOULDBLOCK) { if (retry++ == 0) { levent_recv_error(s, "netlink socket"); goto retry; } log_warnx("netlink", "should have received something, but didn't"); ret = 0; goto out; } int rsize = cfg->g_netlink->nl_socket_recv_size; if (errno == ENOBUFS && rsize > 0 && rsize < NETLINK_MAX_RECEIVE_BUFSIZE && s == cfg->g_netlink->nl_socket_changes) { /* Try to increase buffer size, only for the * socket used to receive changes */ rsize *= 2; if (rsize > NETLINK_MAX_RECEIVE_BUFSIZE) { rsize = NETLINK_MAX_RECEIVE_BUFSIZE; } int rc = netlink_socket_set_buffer_size(s, SO_RCVBUF, "SO_RCVBUF", rsize); if (rc < 0) cfg->g_netlink->nl_socket_recv_size = 0; else cfg->g_netlink->nl_socket_recv_size = rsize; if (rc > 0 || rc == -2) { log_info("netlink", "netlink receive buffer too small, retry with larger one (%d)", rsize); flags = 0; goto retry; } } log_warn("netlink", "unable to receive netlink answer"); ret = -1; goto out; } if (!len) { ret = 0; goto out; } if (iov.iov_len < len || (rtnl_reply.msg_flags & MSG_TRUNC)) { void *tmp; /* Provided buffer is not large enough, enlarge it * to size of len (which should be total length of the message) * and try again. */ iov.iov_len = len; tmp = realloc(iov.iov_base, iov.iov_len); if (!tmp) { log_warn("netlink", "not enough memory"); ret = -1; goto out; } log_debug("netlink", "enlarge message size to %zu bytes", len); iov.iov_base = tmp; flags = 0; goto retry; } if (flags != 0) { /* Buffer is big enough, do the actual reading */ flags = 0; goto retry; } for (msg = (struct nlmsghdr *)(void *)(iov.iov_base); NLMSG_OK(msg, len); msg = NLMSG_NEXT(msg, len)) { if (!(msg->nlmsg_flags & NLM_F_MULTI)) end = 1; switch (msg->nlmsg_type) { case NLMSG_DONE: log_debug("netlink", "received done message"); end = 1; break; case RTM_NEWLINK: case RTM_DELLINK: if (!ifs) break; log_debug("netlink", "received link information"); ifdnew = calloc(1, sizeof(struct interfaces_device)); if (ifdnew == NULL) { log_warn("netlink", "not enough memory for another interface, give up what we have"); goto end; } if (netlink_parse_link(msg, ifdnew) == 0) { /* We need to find if we already have this * interface */ TAILQ_FOREACH (ifdold, ifs, next) { if (ifdold->index == ifdnew->index) break; } if (msg->nlmsg_type == RTM_NEWLINK) { if (ifdold == NULL) { log_debug("netlink", "interface %s is new", ifdnew->name); TAILQ_INSERT_TAIL(ifs, ifdnew, next); } else { log_debug("netlink", "interface %s/%s is updated", ifdold->name, ifdnew->name); netlink_merge(ifdold, ifdnew); TAILQ_INSERT_AFTER(ifs, ifdold, ifdnew, next); TAILQ_REMOVE(ifs, ifdold, next); interfaces_free_device(ifdold); } } else { if (ifdold == NULL) { log_warnx("netlink", "removal request for %s, but no knowledge of it", ifdnew->name); } else { log_debug("netlink", "interface %s is to be removed", ifdold->name); TAILQ_REMOVE(ifs, ifdold, next); interfaces_free_device(ifdold); } interfaces_free_device(ifdnew); } link_update = 1; } else { interfaces_free_device(ifdnew); } break; case RTM_NEWADDR: case RTM_DELADDR: if (!ifas) break; log_debug("netlink", "received address information"); ifanew = calloc(1, sizeof(struct interfaces_address)); if (ifanew == NULL) { log_warn("netlink", "not enough memory for another address, give what we have"); goto end; } if (netlink_parse_address(msg, ifanew) == 0) { if (ifanew->address.ss_family == AF_INET6 && ifanew->flags & IFA_F_TEMPORARY) { interfaces_free_address(ifanew); break; } TAILQ_FOREACH (ifaold, ifas, next) { if ((ifaold->index == ifanew->index) && !memcmp(&ifaold->address, &ifanew->address, sizeof(ifaold->address))) break; } if (getnameinfo( (struct sockaddr *)&ifanew->address, sizeof(ifanew->address), addr, sizeof(addr), NULL, 0, NI_NUMERICHOST) != 0) { strlcpy(addr, "(unknown)", sizeof(addr)); } if (msg->nlmsg_type == RTM_NEWADDR) { if (ifaold == NULL) { log_debug("netlink", "new address %s%%%d", addr, ifanew->index); TAILQ_INSERT_TAIL(ifas, ifanew, next); } else { log_debug("netlink", "updated address %s%%%d", addr, ifaold->index); TAILQ_INSERT_AFTER(ifas, ifaold, ifanew, next); TAILQ_REMOVE(ifas, ifaold, next); interfaces_free_address(ifaold); } } else { if (ifaold == NULL) { log_info("netlink", "removal request for address of %s%%%d, but no knowledge of it", addr, ifanew->index); } else { log_debug("netlink", "address %s%%%d is to be removed", addr, ifaold->index); TAILQ_REMOVE(ifas, ifaold, next); interfaces_free_address(ifaold); } interfaces_free_address(ifanew); } } else { interfaces_free_address(ifanew); } break; default: log_debug("netlink", "received unhandled message type %d (len: %d)", msg->nlmsg_type, msg->nlmsg_len); } } } end: if (link_update) { /* Fill out lower/upper */ struct interfaces_device *iface1, *iface2; TAILQ_FOREACH (iface1, ifs, next) { if (iface1->upper_idx != -1 && iface1->upper_idx != iface1->index) { TAILQ_FOREACH (iface2, ifs, next) { if (iface1->upper_idx == iface2->index) { log_debug("netlink", "upper interface for %s is %s", iface1->name, iface2->name); iface1->upper = iface2; break; } } if (iface2 == NULL) iface1->upper = NULL; } else { iface1->upper = NULL; } if (iface1->lower_idx != -1 && iface1->lower_idx != iface1->index) { TAILQ_FOREACH (iface2, ifs, next) { if (iface1->lower_idx == iface2->index) { /* Workaround a bug introduced * in Linux 4.1: a pair of veth * will be lower interface of * each other. Do not modify * index as if one of them is * updated, we will loose the * information about the * loop. */ if (iface2->lower_idx == iface1->index) { iface1->lower = NULL; log_debug("netlink", "link loop detected between %s(%d) and %s(%d)", iface1->name, iface1->index, iface2->name, iface2->index); } else { log_debug("netlink", "lower interface for %s is %s", iface1->name, iface2->name); iface1->lower = iface2; } break; } } } else { iface1->lower = NULL; } } } out: free(iov.iov_base); return ret; } static int netlink_group_mask(int group) { return group ? (1 << (group - 1)) : 0; } /** * Subscribe to link changes. * * @return 0 on success, -1 otherwise */ static int netlink_subscribe_changes(struct lldpd *cfg) { unsigned int groups; log_debug("netlink", "listening on interface changes"); groups = netlink_group_mask(RTNLGRP_LINK) | netlink_group_mask(RTNLGRP_IPV4_IFADDR) | netlink_group_mask(RTNLGRP_IPV6_IFADDR); return netlink_connect(cfg, groups); } /** * Receive changes from netlink */ static void netlink_change_cb(struct lldpd *cfg) { if (cfg->g_netlink == NULL) return; netlink_recv(cfg, cfg->g_netlink->nl_socket_changes, cfg->g_netlink->devices, cfg->g_netlink->addresses); } /** * Initialize netlink subsystem. * * This can be called several times but will have effect only the first time. * * @return 0 on success, -1 otherwise */ static int netlink_initialize(struct lldpd *cfg) { #ifdef ENABLE_DOT1 struct interfaces_device *iff; #endif if (cfg->g_netlink) return 0; log_debug("netlink", "initialize netlink subsystem"); if ((cfg->g_netlink = calloc(sizeof(struct lldpd_netlink), 1)) == NULL) { log_warn("netlink", "unable to allocate memory for netlink subsystem"); goto end; } /* Connect to netlink (by requesting to get notified on updates) and * request updated information right now */ if (netlink_subscribe_changes(cfg) == -1) goto end; struct interfaces_address_list *ifaddrs = cfg->g_netlink->addresses = malloc(sizeof(struct interfaces_address_list)); if (ifaddrs == NULL) { log_warn("netlink", "not enough memory for address list"); goto end; } TAILQ_INIT(ifaddrs); struct interfaces_device_list *ifs = cfg->g_netlink->devices = malloc(sizeof(struct interfaces_device_list)); if (ifs == NULL) { log_warn("netlink", "not enough memory for interface list"); goto end; } TAILQ_INIT(ifs); if (netlink_send(cfg->g_netlink->nl_socket_queries, RTM_GETADDR, AF_UNSPEC, 1) == -1) goto end; netlink_recv(cfg, cfg->g_netlink->nl_socket_queries, NULL, ifaddrs); if (netlink_send(cfg->g_netlink->nl_socket_queries, RTM_GETLINK, AF_PACKET, 2) == -1) goto end; netlink_recv(cfg, cfg->g_netlink->nl_socket_queries, ifs, NULL); #ifdef ENABLE_DOT1 /* If we have a bridge, search for VLAN-aware bridges */ TAILQ_FOREACH (iff, ifs, next) { if (iff->type & IFACE_BRIDGE_T) { log_debug("netlink", "interface %s is a bridge, check for VLANs", iff->name); if (netlink_send(cfg->g_netlink->nl_socket_queries, RTM_GETLINK, AF_BRIDGE, 3) == -1) goto end; netlink_recv(cfg, cfg->g_netlink->nl_socket_queries, ifs, NULL); break; } } #endif /* Listen to any future change */ cfg->g_iface_cb = netlink_change_cb; if (levent_iface_subscribe(cfg, cfg->g_netlink->nl_socket_changes) == -1) { goto end; } return 0; end: netlink_cleanup(cfg); return -1; } /** * Cleanup netlink subsystem. */ void netlink_cleanup(struct lldpd *cfg) { if (cfg->g_netlink == NULL) return; if (cfg->g_netlink->nl_socket_changes != -1) close(cfg->g_netlink->nl_socket_changes); if (cfg->g_netlink->nl_socket_queries != -1) close(cfg->g_netlink->nl_socket_queries); interfaces_free_devices(cfg->g_netlink->devices); interfaces_free_addresses(cfg->g_netlink->addresses); free(cfg->g_netlink); cfg->g_netlink = NULL; } /** * Receive the list of interfaces. * * @return a list of interfaces. */ struct interfaces_device_list * netlink_get_interfaces(struct lldpd *cfg) { if (netlink_initialize(cfg) == -1) return NULL; struct interfaces_device *ifd; TAILQ_FOREACH (ifd, cfg->g_netlink->devices, next) { ifd->ignore = 0; } return cfg->g_netlink->devices; } /** * Receive the list of addresses. * * @return a list of addresses. */ struct interfaces_address_list * netlink_get_addresses(struct lldpd *cfg) { if (netlink_initialize(cfg) == -1) return NULL; return cfg->g_netlink->addresses; } lldpd-1.0.18/src/daemon/lldpd.8.in0000644000076400001440000003437214532716672016013 0ustar00bernatusers.\" Copyright (c) 2006 Pierre-Yves Ritschard .\" Copyright (c) 2008 Vincent Bernat .\" .\" Permission to use, copy, modify, and/or distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above .\" copyright notice and this permission notice appear in all copies. .\" .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" .Dd $Mdocdate: August 21 2008 $ .Dt LLDPD 8 .Os .Sh NAME .Nm lldpd .Nd LLDP daemon .Sh SYNOPSIS .Nm .Op Fl dxcseiklrv .Op Fl D Ar debug .Op Fl p Ar pidfile .Op Fl S Ar description .Op Fl P Ar platform .Op Fl X Ar socket .Op Fl m Ar management .Op Fl u Ar file .Op Fl I Ar interfaces .Op Fl C Ar interfaces .Op Fl M Ar class .Op Fl H Ar hide .Op Fl L Ar lldpcli .Op Fl O Ar configfile .Sh DESCRIPTION .Nm is a daemon able to receive and send .Em LLDP frames. The Link Layer Discovery Protocol is a vendor-neutral Layer 2 protocol that allows a network device to advertise its identity and capabilities on the local network. .Pp .Nm also implements an SNMP subagent using AgentX protocol to interface to a regular SNMP agent like Net-SNMP. To enable this subagent, you need something like that in your .Xr snmpd.conf 5 : .Bd -literal -offset indent master agentx .Ed .Pp This daemon implements both reception and sending. It will collect various information to send LLDP frames to all Ethernet interfaces, including management address, speed and VLAN names. .Pp The options are as follows: .Bl -tag -width Ds .It Fl d Do not daemonize. If this option is specified, .Nm will run in the foreground. When specified one more time, .Nm will not log to syslog but only to stderr. Then, this option can be specified many times to increase verbosity. When specified four times, debug logs will be enabled. They can be filtered with .Fl D flag. .It Fl D Ar debug This option allows the user to filter out debugging information by specifying allowed tokens. This option can be repeated several times to allow several tokens. This option must be combined with the .Fl d flag to have some effect. Only debugging logs can be filtered. Here is a list of allowed tokens with their description: .Bl -tag -width "XXXXXXXXXX" -offset "XXXX" -compact .It Sy main Main daemon. .It Sy interfaces Discovery of local interfaces. .It Sy lldp LLDP PDU encoding/decoding. .It Sy edp EDP PDU encoding/decoding. .It Sy cdp CDP/FDP PDU encoding/decoding. .It Sy sonmp SONMP PDU encoding/decoding. .It Sy event Events management. .It Sy libevent Events management but for logs generated by libevent. .It Sy privsep Privilege separation. .It Sy localchassis Retrieval of information related to the local chassis. .It Sy rpc Client communication. .It Sy control Management of the Unix control socket. .It Sy snmp SNMP subagent. .It Sy libsnmp SNMP subagent but for logs generated by NetSNMP. .It Sy decode Generic PDU decoding. .It Sy marshal Low-level serialization mechanisms. .It Sy alloc Low-level allocation mechanisms. .It Sy send Sending PDU to some interface. .It Sy receive Receiving PDU from some interface. .It Sy loop Main loop. .It Sy smartfilter Smart filtering of different protocols on the same port. .It Sy netlink Netlink subsystem. .El .It Fl p Ar pidfile Use the provided PID file to record .Nm PID instead of @LLDPD_PID_FILE@. .It Fl k Disable advertising of kernel release, version and machine. Kernel name (ie: Linux) will still be shared, and Inventory software version will be set to 'Unknown'. .It Fl S Ar description Override system description with the provided description. The default description is the kernel name, the node name, the kernel version, the build date and the architecture (except if you use the .Fl k flag described above). .It Fl P Ar platform Override the CDP platform name with the provided value. The default description is the kernel name (Linux). .It Fl x Enable SNMP subagent. With this option, .Nm will enable an SNMP subagent using AgentX protocol. This allows you to get information about local system and remote systems through SNMP. .It Fl X Ar socket Enable SNMP subagent using the specified socket. .Nm will enable an SNMP subagent using AgentX protocol for the given socket. This option implies the previous one. The default socket is usually .Em /var/agentx/master . You can specify a socket like .Em tcp:127.0.0.1:705 for example. Since the process that will open this socket is enclosed in a chroot, you need to specify an IP address (not a hostname) when using a TCP or UDP socket. .It Fl c Enable the support of CDP protocol to deal with Cisco routers that do not speak LLDP. If repeated, CDPv1 packets will be sent even when there is no CDP peer detected. If repeated once again, CDPv2 packets will be sent even when there is no CDP peer detected. If repeated once again (i.e. .Fl cccc ) , CDPv1 will be disabled and CDPv2 will be enabled. If repeated once again (i.e. .Fl ccccc ) , CDPv1 will be disabled and CDPv2 will be forced. .It Fl f Enable the support of FDP protocol to deal with Foundry routers that do not speak LLDP. If repeated, FDP packets will be sent even when there is no FDP peer detected. .It Fl s Enable the support of SONMP protocol to deal with Nortel routers and switches that do not speak LLDP. If repeated, SONMP packets will be sent even when there is no SONMP peer detected. .It Fl e Enable the support of EDP protocol to deal with Extreme routers and switches that do not speak LLDP. If repeated, EDP packets will be sent even when there is no EDP peer detected. .It Fl l Force to send LLDP packets even when there is no LLDP peer detected but there is a peer speaking another protocol detected. By default, LLDP packets are sent when there is a peer speaking LLDP detected or when there is no peer at all. If repeated, LLDP is disabled. .It Fl r Receive-only mode. With this switch, .Nm will not send any frame. It will only listen to neighbors. .It Fl m Ar management Specify the management addresses of this system. As for interfaces (described below), this option can use wildcards and inversions. Without this option, the first IPv4 and the first IPv6 are used. If an exact IP address is provided, it is used as a management address without any check. If only negative patterns are provided, only one IPv4 and one IPv6 addresses are chosen. Otherwise, many of them can be selected. If you want to remove IPv6 addresses, you can use .Em !*:* . If an interface name is matched, the first IPv4 address and the first IPv6 address associated to this interface will be chosen. .It Fl u Ar file Specify the Unix-domain socket used for communication with .Xr lldpctl 8 . .It Fl I Ar interfaces Specify which interface to listen and send LLDPDU to. Without this option, .Nm will use all available physical interfaces. This option can use wildcards. Several interfaces can be specified separated by commas. It is also possible to remove an interface by prefixing it with an exclamation mark. It is possible to allow an interface by prefixing it with two exclamation marks. An allowed interface beats a forbidden interface which beats a simple matched interface. For example, with .Em eth*,!eth1,!eth2 .Nm will only use interfaces starting by .Em eth with the exception of .Em eth1 and .Em eth2 . While with .Em *,!eth*,!!eth1 .Nm will use all interfaces, except interfaces starting by .Em eth with the exception of .Em eth1 . When an exact match is found, it will circumvent some tests. For example, if .Em eth0.12 is specified, it will be accepted even if this is a VLAN interface. .It Fl C Ar interfaces Specify which interfaces to use for computing chassis ID. Without this option, all interfaces are considered. .Nm will take the first MAC address from all the considered interfaces to compute the chassis ID. The logic of this option is the same as for .Fl I flag: you can exclude interfaces with an exclamation mark and use globbing to specify several interfaces. If all interfaces are removed (with .Em !* ) , the system name is used as a chassis ID instead. .It Fl M Ar class Enable emission of LLDP-MED frame. Depending on the selected class, the standard defines which set of TLV should be transmitted. See section 10.2.1. Some devices may be strict about this aspect. The class should be one of the following value: .Bl -tag -width "0:XX" -compact .It Sy 1 Generic Endpoint (Class I) .It Sy 2 Media Endpoint (Class II). In this case, the standard requires to define at least one network policy through .Nm lldpcli . .It Sy 3 Communication Device Endpoints (Class III). In this case, the standard requires to define at least one network policy through .Nm lldpcli . .It Sy 4 Network Connectivity Device .El .It Fl i Disable LLDP-MED inventory TLV transmission. .Nm will still receive (and publish using SNMP if enabled) those LLDP-MED TLV but will not send them. Use this option if you don't want to transmit sensible information like serial numbers. .It Fl H Ar hide Filter neighbors. See section .Sx FILTERING NEIGHBORS for details. .It Fl L Ar lldpcli Provide an alternative path to .Nm lldpcli for configuration. If empty, does not use .Nm lldpcli for configuration. .It Fl O Ar configfile Override default configuration locations processed by .Nm lldpcli at start. If a directory is provided, each file contained in it will be read if ending by .Sy .conf. Order is alphabetical. .It Fl v Show .Nm version. When repeated, show more build information. .El .Sh FILTERING NEIGHBORS In a heterogeneous network, you may see several different hosts on the same port, even if there is only one physically plugged to this port. For example, if you have a Nortel switch running LLDP which is plugged to a Cisco switch running CDP and your host is plugged to the Cisco switch, you will see the Nortel switch as well because LLDP frames are forwarded by the Cisco switch. This may not be what you want. The .Fl H Ar hide parameter will allow you to tell .Nm to discard some frames that it receives and to avoid to send some other frames. .Pp Incoming filtering and outgoing filtering are unrelated. Incoming filtering will hide some remote ports to get you a chance to know exactly what equipment is on the other side of the network cable. Outgoing filtering will avoid to use some protocols to avoid flooding your network with a protocol that is not handled by the nearest equipment. Keep in mind that even without filtering, .Nm will speak protocols for which at least one frame has been received and LLDP otherwise (there are other options to change this behaviour, for example .Fl cc , ss , ee , ll and .Fl ff ). .Pp When enabling incoming filtering, .Nm will try to select one protocol and filter out neighbors using other protocols. To select this protocol, the rule is to take the less used protocol. If on one port, you get 12 CDP neighbors and 1 LLDP neighbor, this mean that the remote switch speaks LLDP and does not filter CDP. Therefore, we select LLDP. When enabling outgoing filtering, .Nm will also try to select one protocol and only speaks this protocol. The filtering is done per port. Each port may select a different protocol. .Pp There are two additional criteria when enabling filtering: allowing one or several protocols to be selected (in case of a tie) and allowing one or several neighbors to be selected. Even when allowing several protocols, the rule of selecting the protocols with the less neighbors still apply. If .Nm selects LLDP and CDP, this means they have the same number of neighbors. The selection of the neighbor is random. Incoming filtering will select a set of neighbors to be displayed while outgoing filtering will use the selected set of neighbors to decide which protocols to use: if a selected neighbor speaks LLDP and another one CDP, .Nm will speak both CDP and LLDP on this port. .Pp There are some corner cases. A typical example is a switch speaking two protocols (CDP and LLDP for example). You want to get the information from the best protocol but you want to speak both protocols because some tools use the CDP table and some other the LLDP table. .Pp The table below summarize all accepted values for the .Fl H Ar hide parameter. The default value is .Em 15 which corresponds to the corner case described above. The .Em filter column means that filtering is enabled. The .Em 1proto column tells that only one protocol will be kept. The .Em 1neigh column tells that only one neighbor will be kept. .Pp .Bl -column -compact -offset indent "HXXX" "filterX" "1protoX" "1neighX" "filterX" "1protoX" "1neighX" .It Ta Ta incoming Ta Ta outgoing Ta .It Ta Em filter Ta Em 1proto Ta Em 1neigh Ta Em filter Ta Em 1proto Ta Em 1neigh .It Em 0 Ta Ta Ta Ta Ta Ta .It Em 1 Ta x Ta x Ta Ta x Ta x Ta .It Em 2 Ta x Ta x Ta Ta Ta Ta .It Em 3 Ta Ta Ta Ta x Ta x Ta .It Em 4 Ta x Ta Ta Ta x Ta Ta .It Em 5 Ta x Ta Ta Ta Ta Ta .It Em 6 Ta Ta Ta Ta x Ta Ta .It Em 7 Ta x Ta x Ta x Ta x Ta x Ta .It Em 8 Ta x Ta x Ta x Ta Ta Ta .It Em 9 Ta x Ta Ta x Ta x Ta x Ta .It Em 10 Ta Ta Ta Ta x Ta Ta x .It Em 11 Ta x Ta Ta x Ta Ta Ta .It Em 12 Ta x Ta Ta x Ta x Ta Ta x .It Em 13 Ta x Ta Ta x Ta x Ta Ta .It Em 14 Ta x Ta x Ta Ta x Ta Ta x .It Em 15 Ta x Ta x Ta Ta x Ta Ta .It Em 16 Ta x Ta x Ta x Ta x Ta Ta x .It Em 17 Ta x Ta x Ta x Ta x Ta Ta .It Em 18 Ta x Ta Ta Ta x Ta Ta x .It Em 19 Ta x Ta Ta Ta x Ta x Ta .El .Sh FILES .Bl -tag -width "@LLDPD_CTL_SOCKET@XX" -compact .It @LLDPD_CTL_SOCKET@ Unix-domain socket used for communication with .Xr lldpctl 8 . .It @sysconfdir@/lldpd.conf Configuration file for .Nm . Commands in this files are executed by .Xr lldpcli 8 at start. .It @sysconfdir@/lldpd.d Directory containing configuration files whose commands are executed by .Xr lldpcli 8 at start. .El .Sh SEE ALSO .Xr lldpctl 8 , .Xr lldpcli 8 , .Xr snmpd 8 .Sh HISTORY The .Nm program is inspired from a preliminary work of Reyk Floeter. .Sh AUTHORS .An -nosplit The .Nm program was written by .An Pierre-Yves Ritschard Aq pyr@openbsd.org , and .An Vincent Bernat Aq bernat@luffy.cx . lldpd-1.0.18/src/marshal.c0000644000076400001440000002471414532716672014545 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #define MARSHAL_EXPORT #include "marshal.h" #include #include #include #include #include #include "compat/compat.h" #include "log.h" #include "lldpd-structs.h" /* Stolen from CCAN */ #if HAVE_ALIGNOF # define ALIGNOF(t) (__alignof__(t)) #else # define ALIGNOF(t) \ ((sizeof(t) > 1) ? \ ((char *)(&((struct { \ char c; \ t _h; \ } *)0) \ ->_h) - \ (char *)0) : \ 1) #endif /* A serialized object */ struct marshal_serialized { void *orig; /* Original reference. Also enforce alignment. */ size_t size; unsigned char object[0]; }; struct marshal_info marshal_info_string = { .name = "null string", .size = 0, .pointers = { MARSHAL_SUBINFO_NULL }, }; struct marshal_info marshal_info_fstring = { .name = "fixed string", .size = 0, .pointers = { MARSHAL_SUBINFO_NULL }, }; struct marshal_info marshal_info_ignore = { .name = "ignored", .size = 0, .pointers = { MARSHAL_SUBINFO_NULL }, }; /* List of already seen pointers */ struct ref { TAILQ_ENTRY(ref) next; void *pointer; uintptr_t dummy; /* To renumerate pointers */ }; TAILQ_HEAD(ref_l, ref); /* Serialize the given object. */ ssize_t marshal_serialize_(struct marshal_info *mi, void *unserialized, void **input, int skip, void *_refs, int osize) { struct ref_l *refs = _refs; struct ref *cref; int size; size_t len; struct marshal_subinfo *current; struct marshal_serialized *new = NULL, *serialized = NULL; uintptr_t dummy = 1; log_debug("marshal", "start serialization of %s", mi->name); /* Check if we have already serialized this one. */ if (!refs) { refs = calloc(1, sizeof(struct ref_l)); if (!refs) { log_warnx("marshal", "unable to allocate memory for list of references"); return -1; } TAILQ_INIT(refs); } TAILQ_FOREACH (cref, refs, next) { if (unserialized == cref->pointer) return 0; /* dummy should be higher than any existing dummy */ if (cref->dummy >= dummy) dummy = cref->dummy + 1; } /* Handle special cases. */ size = mi->size; if (!strcmp(mi->name, "null string")) /* We know we can't be called with NULL */ size = strlen((char *)unserialized) + 1; else if (!strcmp(mi->name, "fixed string")) size = osize; /* Allocate serialized structure */ len = sizeof(struct marshal_serialized) + (skip ? 0 : size); serialized = calloc(1, len); if (!serialized) { log_warnx("marshal", "unable to allocate memory to serialize structure %s", mi->name); len = -1; goto marshal_error; } /* We don't use the original pointer but a dummy one. */ serialized->orig = (unsigned char *)dummy; /* Append the new reference */ if (!(cref = calloc(1, sizeof(struct ref)))) { log_warnx("marshal", "unable to allocate memory for list of references"); free(serialized); len = -1; goto marshal_error; } cref->pointer = unserialized; cref->dummy = dummy; TAILQ_INSERT_TAIL(refs, cref, next); /* First, serialize the main structure */ if (!skip) memcpy(serialized->object, unserialized, size); /* Then, serialize inner structures */ for (current = mi->pointers; current->mi; current++) { size_t sublen; size_t padlen; void *source; void *target = NULL; if (current->kind == ignore) continue; if (current->kind == pointer) { memcpy(&source, (unsigned char *)unserialized + current->offset, sizeof(void *)); if (source == NULL) continue; } else source = (void *)((unsigned char *)unserialized + current->offset); if (current->offset2) memcpy(&osize, (unsigned char *)unserialized + current->offset2, sizeof(int)); target = NULL; sublen = marshal_serialize_(current->mi, source, &target, current->kind == substruct, refs, osize); if (sublen == -1) { log_warnx("marshal", "unable to serialize substructure %s for %s", current->mi->name, mi->name); free(serialized); return -1; } /* We want to put the renumerated pointer instead of the real one. */ if (current->kind == pointer && !skip) { TAILQ_FOREACH (cref, refs, next) { if (source == cref->pointer) { void *fakepointer = (unsigned char *)cref->dummy; memcpy((unsigned char *)serialized->object + current->offset, &fakepointer, sizeof(void *)); break; } } } if (sublen == 0) continue; /* This was already serialized */ /* Append the result, force alignment to be able to unserialize it */ padlen = ALIGNOF(struct marshal_serialized); padlen = (padlen - (len % padlen)) % padlen; new = realloc(serialized, len + padlen + sublen); if (!new) { log_warnx("marshal", "unable to allocate more memory to serialize structure %s", mi->name); free(serialized); free(target); len = -1; goto marshal_error; } memset((unsigned char *)new + len, 0, padlen); memcpy((unsigned char *)new + len + padlen, target, sublen); free(target); len += sublen + padlen; serialized = (struct marshal_serialized *)new; } serialized->size = len; *input = serialized; marshal_error: if (refs && !_refs) { struct ref *cref, *cref_next; for (cref = TAILQ_FIRST(refs); cref != NULL; cref = cref_next) { cref_next = TAILQ_NEXT(cref, next); TAILQ_REMOVE(refs, cref, next); free(cref); } free(refs); } return len; } /* This structure is used to track memory allocation when serializing */ struct gc { TAILQ_ENTRY(gc) next; void *pointer; void *orig; /* Original reference (not valid anymore !) */ }; TAILQ_HEAD(gc_l, gc); static void * marshal_alloc(struct gc_l *pointers, size_t len, void *orig) { struct gc *gpointer = NULL; void *result = calloc(1, len); if (!result) return NULL; if ((gpointer = (struct gc *)calloc(1, sizeof(struct gc))) == NULL) { free(result); return NULL; } gpointer->pointer = result; gpointer->orig = orig; TAILQ_INSERT_TAIL(pointers, gpointer, next); return result; } static void marshal_free(struct gc_l *pointers, int gconly) { struct gc *pointer, *pointer_next; for (pointer = TAILQ_FIRST(pointers); pointer != NULL; pointer = pointer_next) { pointer_next = TAILQ_NEXT(pointer, next); TAILQ_REMOVE(pointers, pointer, next); if (!gconly) free(pointer->pointer); free(pointer); } } /* Unserialize the given object. */ size_t marshal_unserialize_(struct marshal_info *mi, void *buffer, size_t len, void **output, void *_pointers, int skip, int osize) { int total_len = sizeof(struct marshal_serialized) + (skip ? 0 : mi->size); struct marshal_serialized *serialized = buffer; struct gc_l *pointers = _pointers; int size, already, extra = 0; void *new; struct marshal_subinfo *current; struct gc *apointer; log_debug("marshal", "start unserialization of %s", mi->name); if (len < sizeof(struct marshal_serialized) || len < total_len) { log_warnx("marshal", "data to deserialize is too small (%zu) for structure %s", len, mi->name); return 0; } /* Initialize garbage collection */ if (!pointers) { pointers = calloc(1, sizeof(struct gc_l)); if (!pointers) { log_warnx("marshal", "unable to allocate memory for garbage collection"); return 0; } TAILQ_INIT(pointers); } /* Special cases */ size = mi->size; if (!strcmp(mi->name, "null string") || !strcmp(mi->name, "fixed string")) { switch (mi->name[0]) { case 'n': size = strnlen((char *)serialized->object, len - sizeof(struct marshal_serialized)) + 1; break; case 'f': size = osize; extra = 1; break; /* The extra byte is to ensure that the string is null terminated. */ } if (size > len - sizeof(struct marshal_serialized)) { log_warnx("marshal", "data to deserialize contains a string too long"); total_len = 0; goto unmarshal_error; } total_len += size; } /* First, the main structure */ if (!skip) { if ((*output = marshal_alloc(pointers, size + extra, serialized->orig)) == NULL) { log_warnx("marshal", "unable to allocate memory to unserialize structure %s", mi->name); total_len = 0; goto unmarshal_error; } memcpy(*output, serialized->object, size); } /* Then, each substructure */ for (current = mi->pointers; current->mi; current++) { size_t sublen; size_t padlen; new = (unsigned char *)*output + current->offset; if (current->kind == ignore) { memset((unsigned char *)*output + current->offset, 0, sizeof(void *)); continue; } if (current->kind == pointer) { if (*(void **)new == NULL) continue; /* Did we already see this reference? */ already = 0; TAILQ_FOREACH (apointer, pointers, next) if (apointer->orig == *(void **)new) { memcpy((unsigned char *)*output + current->offset, &apointer->pointer, sizeof(void *)); already = 1; break; } if (already) continue; } /* Deserialize */ if (current->offset2) memcpy(&osize, (unsigned char *)*output + current->offset2, sizeof(int)); padlen = ALIGNOF(struct marshal_serialized); padlen = (padlen - (total_len % padlen)) % padlen; if (len < total_len + padlen || ((sublen = marshal_unserialize_(current->mi, (unsigned char *)buffer + total_len + padlen, len - total_len - padlen, &new, pointers, current->kind == substruct, osize)) == 0)) { log_warnx("marshal", "unable to serialize substructure %s for %s", current->mi->name, mi->name); total_len = 0; goto unmarshal_error; } /* Link the result */ if (current->kind == pointer) memcpy((unsigned char *)*output + current->offset, &new, sizeof(void *)); total_len += sublen + padlen; } unmarshal_error: if (pointers && !_pointers) { marshal_free(pointers, (total_len > 0)); free(pointers); } return total_len; } lldpd-1.0.18/src/log.h0000644000076400001440000000311014532716672013667 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _LOG_H #define _LOG_H #include /* log.c */ void log_init(int, int, const char *); void log_warn(const char *, const char *, ...) __attribute__((format(printf, 2, 3))); void log_warnx(const char *, const char *, ...) __attribute__((format(printf, 2, 3))); void log_info(const char *, const char *, ...) __attribute__((format(printf, 2, 3))); void log_debug(const char *, const char *, ...) __attribute__((format(printf, 2, 3))); void fatal(const char *, const char *) __attribute__((__noreturn__)); void fatalx(const char *, const char *) __attribute__((__noreturn__)); void log_register(void (*cb)(int, const char *)); void log_accept(const char *); void log_level(int); /* version.c */ void version_display(FILE *, const char *, int); #endif lldpd-1.0.18/src/lldpd-structs.c0000644000076400001440000001466414532716672015725 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include "lldpd-structs.h" #include "log.h" void lldpd_chassis_mgmt_cleanup(struct lldpd_chassis *chassis) { struct lldpd_mgmt *mgmt, *mgmt_next; log_debug("alloc", "cleanup management addresses for chassis %s", chassis->c_name ? chassis->c_name : "(unknown)"); for (mgmt = TAILQ_FIRST(&chassis->c_mgmt); mgmt != NULL; mgmt = mgmt_next) { mgmt_next = TAILQ_NEXT(mgmt, m_entries); free(mgmt); } TAILQ_INIT(&chassis->c_mgmt); } void lldpd_chassis_cleanup(struct lldpd_chassis *chassis, int all) { lldpd_chassis_mgmt_cleanup(chassis); log_debug("alloc", "cleanup chassis %s", chassis->c_name ? chassis->c_name : "(unknown)"); #ifdef ENABLE_LLDPMED free(chassis->c_med_hw); free(chassis->c_med_sw); free(chassis->c_med_fw); free(chassis->c_med_sn); free(chassis->c_med_manuf); free(chassis->c_med_model); free(chassis->c_med_asset); #endif free(chassis->c_id); free(chassis->c_name); free(chassis->c_descr); if (all) free(chassis); } #ifdef ENABLE_DOT1 void lldpd_vlan_cleanup(struct lldpd_port *port) { struct lldpd_vlan *vlan, *vlan_next; for (vlan = TAILQ_FIRST(&port->p_vlans); vlan != NULL; vlan = vlan_next) { free(vlan->v_name); vlan_next = TAILQ_NEXT(vlan, v_entries); free(vlan); } TAILQ_INIT(&port->p_vlans); port->p_pvid = 0; } void lldpd_ppvid_cleanup(struct lldpd_port *port) { struct lldpd_ppvid *ppvid, *ppvid_next; for (ppvid = TAILQ_FIRST(&port->p_ppvids); ppvid != NULL; ppvid = ppvid_next) { ppvid_next = TAILQ_NEXT(ppvid, p_entries); free(ppvid); } TAILQ_INIT(&port->p_ppvids); } void lldpd_pi_cleanup(struct lldpd_port *port) { struct lldpd_pi *pi, *pi_next; for (pi = TAILQ_FIRST(&port->p_pids); pi != NULL; pi = pi_next) { free(pi->p_pi); pi_next = TAILQ_NEXT(pi, p_entries); free(pi); } TAILQ_INIT(&port->p_pids); } #endif #ifdef ENABLE_CUSTOM void lldpd_custom_tlv_add(struct lldpd_port *port, struct lldpd_custom *curr) { struct lldpd_custom *custom; if ((custom = malloc(sizeof(struct lldpd_custom)))) { memcpy(custom, curr, sizeof(struct lldpd_custom)); if ((custom->oui_info = malloc(custom->oui_info_len))) { memcpy(custom->oui_info, curr->oui_info, custom->oui_info_len); TAILQ_INSERT_TAIL(&port->p_custom_list, custom, next); } else { free(custom); log_warn("rpc", "could not allocate memory for custom TLV info"); } } } void lldpd_custom_tlv_cleanup(struct lldpd_port *port, struct lldpd_custom *curr) { struct lldpd_custom *custom, *custom_next; for (custom = TAILQ_FIRST(&port->p_custom_list); custom != NULL; custom = custom_next) { custom_next = TAILQ_NEXT(custom, next); if (!memcmp(curr->oui, custom->oui, sizeof(curr->oui)) && curr->subtype == custom->subtype) { TAILQ_REMOVE(&port->p_custom_list, custom, next); free(custom->oui_info); free(custom); } } } void lldpd_custom_list_cleanup(struct lldpd_port *port) { struct lldpd_custom *custom, *custom_next; for (custom = TAILQ_FIRST(&port->p_custom_list); custom != NULL; custom = custom_next) { custom_next = TAILQ_NEXT(custom, next); free(custom->oui_info); free(custom); } TAILQ_INIT(&port->p_custom_list); } #endif /* Cleanup a remote port. The before last argument, `expire` is a function that * should be called when a remote port is removed. If the last argument is 1, * all remote ports are removed. */ void lldpd_remote_cleanup(struct lldpd_hardware *hardware, void (*expire)(struct lldpd_hardware *, struct lldpd_port *), int all) { struct lldpd_port *port, *port_next; int del; time_t now = time(NULL); log_debug("alloc", "cleanup remote port on %s", hardware->h_ifname); for (port = TAILQ_FIRST(&hardware->h_rports); port != NULL; port = port_next) { port_next = TAILQ_NEXT(port, p_entries); del = all; if (!all && expire && (now >= port->p_lastupdate + port->p_ttl)) { if (port->p_ttl > 0) hardware->h_ageout_cnt++; del = 1; } if (del) { if (expire) expire(hardware, port); /* This TAILQ_REMOVE is dangerous. It should not be * called while in liblldpctl because we don't have a * real list. It is only needed to be called when we * don't delete the entire list. */ if (!all) TAILQ_REMOVE(&hardware->h_rports, port, p_entries); hardware->h_delete_cnt++; /* Register last removal to be able to report * lldpStatsRemTablesLastChangeTime */ hardware->h_lport.p_lastremove = time(NULL); lldpd_port_cleanup(port, 1); free(port); } } if (all) TAILQ_INIT(&hardware->h_rports); } /* If `all' is true, clear all information, including information that are not refreshed periodically. Port should be freed manually. */ void lldpd_port_cleanup(struct lldpd_port *port, int all) { #ifdef ENABLE_LLDPMED int i; if (all) for (i = 0; i < LLDP_MED_LOCFORMAT_LAST; i++) free(port->p_med_location[i].data); #endif #ifdef ENABLE_DOT1 lldpd_vlan_cleanup(port); lldpd_ppvid_cleanup(port); lldpd_pi_cleanup(port); #endif /* will set these to NULL so we don't free wrong memory */ if (all) { free(port->p_id); port->p_id = NULL; free(port->p_descr); port->p_descr = NULL; free(port->p_lastframe); if (port->p_chassis) { /* chassis may not have been attributed, yet */ port->p_chassis->c_refcount--; port->p_chassis = NULL; } #ifdef ENABLE_CUSTOM lldpd_custom_list_cleanup(port); #endif } } void lldpd_config_cleanup(struct lldpd_config *config) { log_debug("alloc", "general configuration cleanup"); free(config->c_mgmt_pattern); free(config->c_cid_pattern); free(config->c_cid_string); free(config->c_iface_pattern); free(config->c_perm_ifaces); free(config->c_hostname); free(config->c_platform); free(config->c_description); } lldpd-1.0.18/src/log.c0000644000076400001440000001367314532716672013701 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* $OpenBSD: log.c,v 1.11 2007/12/07 17:17:00 reyk Exp $ */ /* * Copyright (c) 2003, 2004 Henning Brauer * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include #include #include "log.h" /* By default, logging is done on stderr. */ static int use_syslog = 0; /* Default debug level */ static int debug = 0; /* Logging can be modified by providing an appropriate log handler. */ static void (*logh)(int severity, const char *msg) = NULL; static void vlog(int, const char *, const char *, va_list); static void logit(int, const char *, const char *, ...); #define MAX_DBG_TOKENS 40 static const char *tokens[MAX_DBG_TOKENS + 1] = { NULL }; void log_init(int n_syslog, int n_debug, const char *progname) { use_syslog = n_syslog; debug = n_debug; if (use_syslog) openlog(progname, LOG_PID | LOG_NDELAY, LOG_DAEMON); tzset(); } void log_level(int n_debug) { if (n_debug >= 0) debug = n_debug; } void log_register(void (*cb)(int, const char *)) { logh = cb; } void log_accept(const char *token) { int i; for (i = 0; i < MAX_DBG_TOKENS; i++) { if (tokens[i] == NULL) { tokens[i + 1] = NULL; tokens[i] = token; return; } } } static void logit(int pri, const char *token, const char *fmt, ...) { va_list ap; va_start(ap, fmt); vlog(pri, token, fmt, ap); va_end(ap); } static char * date() { /* Return the current date as incomplete ISO 8601 (2012-12-12T16:13:30) */ static char date[] = "2012-12-12T16:13:30"; time_t t = time(NULL); struct tm *tmp = localtime(&t); strftime(date, sizeof(date), "%Y-%m-%dT%H:%M:%S", tmp); return date; } static const char * translate(int fd, int priority) { /* Translate a syslog priority to a string. With colors if the output is a * terminal. */ int tty = isatty(fd); switch (tty) { case 1: switch (priority) { case LOG_EMERG: return "\033[1;37;41m[EMRG"; case LOG_ALERT: return "\033[1;37;41m[ALRT"; case LOG_CRIT: return "\033[1;37;41m[CRIT"; case LOG_ERR: return "\033[1;31m[ ERR"; case LOG_WARNING: return "\033[1;33m[WARN"; case LOG_NOTICE: return "\033[1;34m[NOTI"; case LOG_INFO: return "\033[1;34m[INFO"; case LOG_DEBUG: return "\033[36m[ DBG"; } break; default: switch (priority) { case LOG_EMERG: return "[EMRG"; case LOG_ALERT: return "[ALRT"; case LOG_CRIT: return "[CRIT"; case LOG_ERR: return "[ ERR"; case LOG_WARNING: return "[WARN"; case LOG_NOTICE: return "[NOTI"; case LOG_INFO: return "[INFO"; case LOG_DEBUG: return "[ DBG"; } } return "[UNKN]"; } static void vlog(int pri, const char *token, const char *fmt, va_list ap) { if (logh) { char *result = NULL; if (vasprintf(&result, fmt, ap) != -1) { logh(pri, result); free(result); return; } /* Otherwise, abort. We don't know if "ap" is still OK. We could * have made a copy, but this is too much overhead for a * situation that shouldn't happen. */ return; } /* Log to syslog if requested */ if (use_syslog) { va_list ap2; va_copy(ap2, ap); vsyslog(pri, fmt, ap2); va_end(ap2); } /* Log to standard error in all cases */ char *nfmt; /* best effort in out of mem situations */ if (asprintf(&nfmt, "%s %s%s%s]%s %s\n", date(), translate(STDERR_FILENO, pri), token ? "/" : "", token ? token : "", isatty(STDERR_FILENO) ? 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installcheck installcheck-am installdirs maintainer-clean \ maintainer-clean-generic mostlyclean mostlyclean-compile \ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ tags tags-am uninstall uninstall-am .PRECIOUS: Makefile # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: lldpd-1.0.18/src/compat/getline.c0000644000076400001440000000575714533436077016035 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2009 The NetBSD Foundation, Inc. * * This code is derived from software contributed to The NetBSD Foundation * by Roy Marples. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* Several modifications to make the code more portable (and less robust and far less * efficient) */ #include #include #include #include #include #include #include #include "compat.h" #define MINBUF 128 static ssize_t ___getdelim(char **buf, size_t *buflen, int sep, FILE *fp) { int p; size_t len = 0, newlen; char *newb; if (buf == NULL || buflen == NULL) { errno = EINVAL; return -1; } /* If buf is NULL, we have to assume a size of zero */ if (*buf == NULL) *buflen = 0; do { p = fgetc(fp); if (ferror(fp)) return -1; if (p == EOF) break; /* Ensure we can handle it */ if (len > SSIZE_MAX) { errno = EOVERFLOW; return -1; } newlen = len + 2; /* reserve space for NUL terminator */ if (newlen > *buflen) { if (newlen < MINBUF) newlen = MINBUF; #define powerof2(x) ((((x)-1) & (x)) == 0) if (!powerof2(newlen)) { /* Grow the buffer to the next power of 2 */ newlen--; newlen |= newlen >> 1; newlen |= newlen >> 2; newlen |= newlen >> 4; newlen |= newlen >> 8; newlen |= newlen >> 16; #if SIZE_MAX > 0xffffffffU newlen |= newlen >> 32; #endif newlen++; } newb = realloc(*buf, newlen); if (newb == NULL) return -1; *buf = newb; *buflen = newlen; } (*buf)[len++] = p; } while (p != sep); /* POSIX demands we return -1 on EOF. */ if (len == 0) return -1; if (*buf != NULL) (*buf)[len] = '\0'; return (ssize_t)len; } ssize_t getline(char **buf, size_t *buflen, FILE *fp) { return ___getdelim(buf, buflen, '\n', fp); } lldpd-1.0.18/src/compat/asprintf.c0000644000076400001440000000412114533436077016214 0ustar00bernatusers/* * Copyright (c) 2004 Darren Tucker. * * Based originally on asprintf.c from OpenBSD: * Copyright (c) 1997 Todd C. Miller * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include "compat.h" #define INIT_SZ 128 int vasprintf(char **str, const char *fmt, va_list ap) { int ret = -1; va_list ap2; char *string, *newstr; size_t len; va_copy(ap2, ap); if ((string = malloc(INIT_SZ)) == NULL) goto fail; ret = vsnprintf(string, INIT_SZ, fmt, ap2); if (ret >= 0 && ret < INIT_SZ) { /* succeeded with initial alloc */ *str = string; } else if (ret == INT_MAX || ret < 0) { /* Bad length */ free(string); goto fail; } else { /* bigger than initial, realloc allowing for nul */ len = (size_t)ret + 1; if ((newstr = realloc(string, len)) == NULL) { free(string); goto fail; } else { va_end(ap2); va_copy(ap2, ap); ret = vsnprintf(newstr, len, fmt, ap2); if (ret >= 0 && (size_t)ret < len) { *str = newstr; } else { /* failed with realloc'ed string, give up */ free(newstr); goto fail; } } } va_end(ap2); return (ret); fail: *str = NULL; errno = ENOMEM; va_end(ap2); return (-1); } int asprintf(char **str, const char *fmt, ...) { va_list ap; int ret; *str = NULL; va_start(ap, fmt); ret = vasprintf(str, fmt, ap); va_end(ap); return ret; } lldpd-1.0.18/src/compat/strtonum.c0000644000076400001440000000344614533436077016272 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* $OpenBSD: strtonum.c,v 1.8 2015/09/13 08:31:48 guenther Exp $ */ /* * Copyright (c) 2004 Ted Unangst and Todd Miller * All rights reserved. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include "compat.h" #define INVALID 1 #define TOOSMALL 2 #define TOOLARGE 3 long long strtonum(const char *numstr, long long minval, long long maxval, const char **errstrp) { long long ll = 0; int error = 0; char *ep; struct errval { const char *errstr; int err; } ev[4] = { { NULL, 0 }, { "invalid", EINVAL }, { "too small", ERANGE }, { "too large", ERANGE }, }; ev[0].err = errno; errno = 0; if (minval > maxval) { error = INVALID; } else { ll = strtoll(numstr, &ep, 10); if (numstr == ep || *ep != '\0') error = INVALID; else if ((ll == LLONG_MIN && errno == ERANGE) || ll < minval) error = TOOSMALL; else if ((ll == LLONG_MAX && errno == ERANGE) || ll > maxval) error = TOOLARGE; } if (errstrp != NULL) *errstrp = ev[error].errstr; errno = ev[error].err; if (error) ll = 0; return (ll); } lldpd-1.0.18/src/compat/strlcpy.c0000644000076400001440000000313014533436077016065 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* $OpenBSD: strlcpy.c,v 1.11 2006/05/05 15:27:38 millert Exp $ */ /* * Copyright (c) 1998 Todd C. Miller * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include "compat.h" /* * Copy src to string dst of size siz. At most siz-1 characters * will be copied. Always NUL terminates (unless siz == 0). * Returns strlen(src); if retval >= siz, truncation occurred. */ size_t strlcpy(char *dst, const char *src, size_t siz) { char *d = dst; const char *s = src; size_t n = siz; /* Copy as many bytes as will fit */ if (n != 0) { while (--n != 0) { if ((*d++ = *s++) == '\0') break; } } /* Not enough room in dst, add NUL and traverse rest of src */ if (n == 0) { if (siz != 0) *d = '\0'; /* NUL-terminate dst */ while (*s++) ; } return (s - src - 1); /* count does not include NUL */ } lldpd-1.0.18/src/compat/setproctitle.c0000644000076400001440000000020414533436077017105 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ #include "compat.h" void setproctitle(const char *fmt, ...) { /* Do nothing. */ } lldpd-1.0.18/src/compat/empty.c0000644000076400001440000000203514111362571015513 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2013 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* Some versions of ar don't like to build a library from * nothing. This happens on Mac OS X where we don't need any * compatibility layer. So, we put a tiny variable. Just here. */ int __lldpd_int_zero = 0; lldpd-1.0.18/src/compat/vsyslog.c0000644000076400001440000000050714532716672016101 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ #include #include #include "compat.h" /* vsyslog() doesn't exist on HP-UX */ void vsyslog(int facility, const char *format, va_list ap) { char *msg = NULL; if (vasprintf(&msg, format, ap) == -1) { return; } syslog(facility, "%s", msg); free(msg); } lldpd-1.0.18/src/compat/strndup.c0000644000076400001440000000100514533436077016063 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ #include #include #include "compat.h" /* * Similar to `strdup()` but copies at most n bytes. */ char * strndup(const char *string, size_t maxlen) { char *result; /* We may use `strnlen()` but it may be unavailable. */ const char *end = memchr(string, '\0', maxlen); size_t len = end ? (size_t)(end - string) : maxlen; result = malloc(len + 1); if (!result) return 0; memcpy(result, string, len); result[len] = '\0'; return result; } lldpd-1.0.18/src/compat/Makefile.am0000644000076400001440000000030614111362571016244 0ustar00bernatusersAM_CFLAGS = $(LLDP_CFLAGS) AM_CPPFLAGS = $(LLDP_CPPFLAGS) AM_LDFLAGS = $(LLDP_LDFLAGS) noinst_LTLIBRARIES = libcompat.la libcompat_la_SOURCES = compat.h empty.c libcompat_la_LIBADD = @LTLIBOBJS@ lldpd-1.0.18/src/compat/daemon.c0000644000076400001440000000437414533436077015643 0ustar00bernatusers/* $OpenBSD: daemon.c,v 1.6 2005/08/08 08:05:33 espie Exp $ */ /*- * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* OPENBSD ORIGINAL: lib/libc/gen/daemon.c */ #include #include #include #include #include "compat.h" int daemon(int nochdir, int noclose) { int fd; switch (fork()) { case -1: return (-1); case 0: break; default: _exit(0); } if (setsid() == -1) return (-1); if (!nochdir) (void)chdir("/"); /* coverity[resource_leak] fd may be leaked if < 2, it's expected */ if (!noclose && (fd = open("/dev/null", O_RDWR, 0)) != -1) { (void)dup2(fd, STDIN_FILENO); (void)dup2(fd, STDOUT_FILENO); (void)dup2(fd, STDERR_FILENO); if (fd > 2) (void)close(fd); } return (0); } lldpd-1.0.18/src/compat/realloc.c0000644000076400001440000000063714533436077016017 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* realloc replacement that can reallocate 0 byte or NULL pointers*/ #undef realloc #include #include #include "compat.h" /* Reallocate an N-byte block of memory from the heap. If N is zero, allocate a 1-byte block. */ void * rpl_realloc(void *ptr, size_t n) { if (!ptr) return malloc(n); if (n == 0) n = 1; return realloc(ptr, n); } lldpd-1.0.18/src/compat/compat.h0000644000076400001440000000541514532716672015666 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)queue.h 8.5 (Berkeley) 8/20/94 */ #ifndef _COMPAT_H #define _COMPAT_H #if HAVE_CONFIG_H # include #endif #include #include #include #include #include #undef getopt #if !HAVE_ASPRINTF int vasprintf(char **, const char *, va_list) __attribute__((format(printf, 2, 0))); int asprintf(char **, const char *, ...) __attribute__((format(printf, 2, 3))); #endif #if !HAVE_VSYSLOG void vsyslog(int, const char *, va_list) __attribute__((format(printf, 2, 0))); #endif #if !HAVE_DAEMON int daemon(int, int); #endif #if !HAVE_STRLCPY size_t strlcpy(char *, const char *, size_t); #endif #if !HAVE_STRNLEN size_t strnlen(const char *, size_t); #endif #if !HAVE_STRNDUP char *strndup(const char *, size_t); #endif #if !HAVE_STRTONUM long long strtonum(const char *, long long, long long, const char **); #endif #if !HAVE_GETLINE ssize_t getline(char **, size_t *, FILE *); #endif #if !HAVE_SETPROCTITLE void setproctitle(const char *fmt, ...) __attribute__((format(printf, 1, 2))); #endif #if !HAVE_MALLOC void *malloc(size_t size); #endif #if !HAVE_REALLOC void *realloc(void *ptr, size_t size); #endif #endif lldpd-1.0.18/src/compat/malloc.c0000644000076400001440000000053214533436077015637 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* malloc replacement that can allocate 0 byte */ #undef malloc #include #include #include "compat.h" /* Allocate an N-byte block of memory from the heap. If N is zero, allocate a 1-byte block. */ void * rpl_malloc(size_t n) { if (n == 0) n = 1; return malloc(n); } lldpd-1.0.18/src/compat/strnlen.c0000644000076400001440000000052514533436077016057 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ #include #include "compat.h" /* * Determine the length of a fixed-size string. This is really a * wrapper around `memchr()`. */ size_t strnlen(const char *string, size_t maxlen) { const char *end = memchr(string, '\0', maxlen); return end ? (size_t)(end - string) : maxlen; } lldpd-1.0.18/src/marshal.h0000644000076400001440000001604614532716672014551 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _MARSHAL_H #define _MARSHAL_H #include #include #include struct marshal_info; enum marshal_subinfo_kind { pointer, substruct, ignore, }; #define MARSHAL_INFO_POINTER 1 #define MARSHAL_INFO_SUB 2 struct marshal_subinfo { size_t offset; /* Offset compared to parent structure */ size_t offset2; /* Ancillary offset (for related data) */ enum marshal_subinfo_kind kind; /* Kind of substructure */ struct marshal_info *mi; }; #define MARSHAL_SUBINFO_NULL \ { \ .offset = 0, .offset2 = 0, .kind = ignore, .mi = NULL \ } struct marshal_info { const char *name; /* Name of structure */ size_t size; /* Size of the structure */ #if defined __GNUC__ && __GNUC__ < 3 /* With gcc 2.96, flexible arrays are not supported, even with * -std=gnu99. And with gcc 3.x, zero-sized arrays cannot be statically * initialized (with more than one element). */ struct marshal_subinfo pointers[0]; /* Pointer to other structures */ #else struct marshal_subinfo pointers[]; /* Pointer to other structures */ #endif }; /* Special case for strings */ extern struct marshal_info marshal_info_string; extern struct marshal_info marshal_info_fstring; extern struct marshal_info marshal_info_ignore; /* Declare a new marshal_info struct named after the type we want to marshal. The marshalled type has to be a structure. */ #define MARSHAL_INFO(type) marshal_info_##type #ifdef MARSHAL_EXPORT # define MARSHAL_HELPER_FUNCTIONS(type, ttype) \ ssize_t type##_serialize(ttype *source, void *buffer); \ ssize_t type##_serialize(ttype *source, void *buffer) \ { \ return marshal_serialize(type, source, buffer); \ } \ size_t type##_unserialize(void *buffer, size_t len, ttype **destination); \ size_t type##_unserialize(void *buffer, size_t len, ttype **destination) \ { \ void *p; \ size_t rc; \ rc = marshal_unserialize(type, buffer, len, &p); \ if (rc <= 0) return rc; \ *destination = p; \ return rc; \ } # define MARSHAL_BEGIN(type) \ struct marshal_info MARSHAL_INFO( \ type) = { .name = #type, .size = sizeof(struct type), .pointers = { # define MARSHAL_ADD(_kind, type, subtype, member) \ { .offset = offsetof(struct type, member), \ .offset2 = 0, \ .kind = _kind, \ .mi = &MARSHAL_INFO(subtype) }, # define MARSHAL_FSTR(type, member, len) \ { .offset = offsetof(struct type, member), \ .offset2 = offsetof(struct type, len), \ .kind = pointer, \ .mi = &marshal_info_fstring }, # define MARSHAL_END(type) \ MARSHAL_SUBINFO_NULL \ } \ } \ ; \ MARSHAL_HELPER_FUNCTIONS(type, struct type) #else # define MARSHAL_HELPER_FUNCTIONS(type, ttype) \ ssize_t type##_serialize(ttype *, void *); \ size_t type##_unserialize(void *, size_t, ttype **); # define MARSHAL_BEGIN(type) extern struct marshal_info MARSHAL_INFO(type); # define MARSHAL_ADD(...) # define MARSHAL_FSTR(...) # define MARSHAL_END(type) MARSHAL_HELPER_FUNCTIONS(type, struct type) #endif /* Shortcuts */ #define MARSHAL_POINTER(...) MARSHAL_ADD(pointer, ##__VA_ARGS__) #define MARSHAL_SUBSTRUCT(...) MARSHAL_ADD(substruct, ##__VA_ARGS__) #define MARSHAL_STR(type, member) MARSHAL_ADD(pointer, type, string, member) #define MARSHAL_IGNORE(type, member) MARSHAL_ADD(ignore, type, ignore, member) #define MARSHAL_TQE(type, field) \ MARSHAL_POINTER(type, type, field.tqe_next) \ MARSHAL_IGNORE(type, field.tqe_prev) /* Support for TAILQ list is partial. Access to last and previous elements is not available. Some operations are therefore not possible. However, TAILQ_FOREACH is still available. */ #define MARSHAL_TQH(type, subtype) \ MARSHAL_POINTER(type, subtype, tqh_first) \ MARSHAL_IGNORE(type, tqh_last) #define MARSHAL_SUBTQ(type, subtype, field) \ MARSHAL_POINTER(type, subtype, field.tqh_first) \ MARSHAL_IGNORE(type, field.tqh_last) #define MARSHAL(type) \ MARSHAL_BEGIN(type) \ MARSHAL_END(type) #define MARSHAL_TQ(type, subtype) \ MARSHAL_BEGIN(type) \ MARSHAL_TQH(type, subtype) \ MARSHAL_END(type) /* Serialization */ ssize_t marshal_serialize_(struct marshal_info *, void *, void **, int, void *, int) __attribute__((nonnull(1, 2, 3))); #define marshal_serialize(type, o, output) \ marshal_serialize_(&MARSHAL_INFO(type), o, output, 0, NULL, 0) /* Unserialization */ size_t marshal_unserialize_(struct marshal_info *, void *, size_t, void **, void *, int, int) __attribute__((nonnull(1, 2, 4))); #define marshal_unserialize(type, o, l, input) \ marshal_unserialize_(&MARSHAL_INFO(type), o, l, input, NULL, 0, 0) #define marshal_repair_tailq(type, head, field) \ do { \ struct type *__item, *__item_next; \ (head)->tqh_last = &(head)->tqh_first; \ for (__item = TAILQ_FIRST(head); __item != NULL; __item = __item_next) { \ __item_next = TAILQ_NEXT(__item, field); \ __item->field.tqe_prev = (head)->tqh_last; \ *(head)->tqh_last = __item; \ (head)->tqh_last = &__item->field.tqe_next; \ } \ } while (0) #endif lldpd-1.0.18/src/ctl.h0000644000076400001440000000415614532716672013703 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2012 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _CTL_H #define _CTL_H #if HAVE_CONFIG_H # include #endif #include #include "marshal.h" enum hmsg_type { NONE, GET_CONFIG, /* Get global configuration */ SET_CONFIG, /* Change global configuration */ GET_INTERFACES, /* Get list of interfaces */ SET_CHASSIS, /* Set local chassis */ GET_CHASSIS, /* Get local chassis */ GET_INTERFACE, /* Get all information related to an interface */ GET_DEFAULT_PORT, /* Get all information related to default port */ SET_PORT, /* Set port-related information (location, power, policy) */ SUBSCRIBE, /* Subscribe to neighbor changes */ NOTIFICATION, /* Notification message (sent by lldpd!) */ }; /** Header for the control protocol. * * The protocol is pretty simple. We send a single message containing the * provided message type with the message length, followed by the message * content. */ struct hmsg_header { enum hmsg_type type; size_t len; }; #define HMSG_MAX_SIZE (1 << 19) /* ctl.c */ int ctl_create(const char *); int ctl_connect(const char *); void ctl_cleanup(const char *); int ctl_msg_send_unserialized(uint8_t **, size_t *, enum hmsg_type, void *, struct marshal_info *); size_t ctl_msg_recv_unserialized(uint8_t **, size_t *, enum hmsg_type, void **, struct marshal_info *); #endif lldpd-1.0.18/src/lldp-const.h0000644000076400001440000003013714532716672015176 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _LLDP_H #define _LLDP_H /* Definitions prefixed by `LLDP_` are constants from LLDP * specifications. Definitions prefixed by `LLDPD_` are custom * constants that are useful in the context of lldpd and its clients. */ #define LLDP_TLV_ORG 127 #define LLDP_TLV_ORG_OUI_LEN 3 #define LLDP_TLV_ORG_OUI_INFO_MAXLEN 507 /* Chassis ID subtype */ #define LLDP_CHASSISID_SUBTYPE_CHASSIS 1 #define LLDP_CHASSISID_SUBTYPE_IFALIAS 2 #define LLDP_CHASSISID_SUBTYPE_PORT 3 #define LLDP_CHASSISID_SUBTYPE_LLADDR 4 #define LLDP_CHASSISID_SUBTYPE_ADDR 5 #define LLDP_CHASSISID_SUBTYPE_IFNAME 6 #define LLDP_CHASSISID_SUBTYPE_LOCAL 7 /* Port ID subtype */ #define LLDP_PORTID_SUBTYPE_UNKNOWN 0 #define LLDP_PORTID_SUBTYPE_IFALIAS 1 #define LLDP_PORTID_SUBTYPE_PORT 2 #define LLDP_PORTID_SUBTYPE_LLADDR 3 #define LLDP_PORTID_SUBTYPE_ADDR 4 #define LLDP_PORTID_SUBTYPE_IFNAME 5 #define LLDP_PORTID_SUBTYPE_AGENTCID 6 #define LLDP_PORTID_SUBTYPE_LOCAL 7 #define LLDP_PORTID_SUBTYPE_MAX LLDP_PORTID_SUBTYPE_LOCAL /* Operational MAU Type field. See: * https://www.iana.org/assignments/ianamau-mib/ianamau-mib */ #define LLDP_DOT3_MAU_AUI 1 #define LLDP_DOT3_MAU_10BASE5 2 #define LLDP_DOT3_MAU_FOIRL 3 #define LLDP_DOT3_MAU_10BASE2 4 #define LLDP_DOT3_MAU_10BASET 5 #define LLDP_DOT3_MAU_10BASEFP 6 #define LLDP_DOT3_MAU_10BASEFB 7 #define LLDP_DOT3_MAU_10BASEFL 8 #define LLDP_DOT3_MAU_10BROAD36 9 #define LLDP_DOT3_MAU_10BASETHD 10 #define LLDP_DOT3_MAU_10BASETFD 11 #define LLDP_DOT3_MAU_10BASEFLHD 12 #define LLDP_DOT3_MAU_10BASEFLFD 13 #define LLDP_DOT3_MAU_100BASET4 14 #define LLDP_DOT3_MAU_100BASETXHD 15 #define LLDP_DOT3_MAU_100BASETXFD 16 #define LLDP_DOT3_MAU_100BASEFXHD 17 #define LLDP_DOT3_MAU_100BASEFXFD 18 #define LLDP_DOT3_MAU_100BASET2HD 19 #define LLDP_DOT3_MAU_100BASET2FD 20 #define LLDP_DOT3_MAU_1000BASEXHD 21 #define LLDP_DOT3_MAU_1000BASEXFD 22 #define LLDP_DOT3_MAU_1000BASELXHD 23 #define LLDP_DOT3_MAU_1000BASELXFD 24 #define LLDP_DOT3_MAU_1000BASESXHD 25 #define LLDP_DOT3_MAU_1000BASESXFD 26 #define LLDP_DOT3_MAU_1000BASECXHD 27 #define LLDP_DOT3_MAU_1000BASECXFD 28 #define LLDP_DOT3_MAU_1000BASETHD 29 #define LLDP_DOT3_MAU_1000BASETFD 30 #define LLDP_DOT3_MAU_10GIGBASEX 31 #define LLDP_DOT3_MAU_10GIGBASELX4 32 #define LLDP_DOT3_MAU_10GIGBASER 33 #define LLDP_DOT3_MAU_10GIGBASEER 34 #define LLDP_DOT3_MAU_10GIGBASELR 35 #define LLDP_DOT3_MAU_10GIGBASESR 36 #define LLDP_DOT3_MAU_10GIGBASEW 37 #define LLDP_DOT3_MAU_10GIGBASEEW 38 #define LLDP_DOT3_MAU_10GIGBASELW 39 #define LLDP_DOT3_MAU_10GIGBASESW 40 #define LLDP_DOT3_MAU_10GIGBASECX4 41 #define LLDP_DOT3_MAU_2BASETL 42 #define LLDP_DOT3_MAU_10PASSTS 43 #define LLDP_DOT3_MAU_100BASEBX10D 44 #define LLDP_DOT3_MAU_100BASEBX10U 45 #define LLDP_DOT3_MAU_100BASELX10 46 #define LLDP_DOT3_MAU_1000BASEBX10D 47 #define LLDP_DOT3_MAU_1000BASEBX10U 48 #define LLDP_DOT3_MAU_1000BASELX10 49 #define LLDP_DOT3_MAU_1000BASEPX10D 50 #define LLDP_DOT3_MAU_1000BASEPX10U 51 #define LLDP_DOT3_MAU_1000BASEPX20D 52 #define LLDP_DOT3_MAU_1000BASEPX20U 53 #define LLDP_DOT3_MAU_10GBASET 54 #define LLDP_DOT3_MAU_10GBASELRM 55 #define LLDP_DOT3_MAU_1000BASEKX 56 #define LLDP_DOT3_MAU_10GBASEKX4 57 #define LLDP_DOT3_MAU_10GBASEKR 58 #define LLDP_DOT3_MAU_10G1GBASEPRXD1 59 #define LLDP_DOT3_MAU_10G1GBASEPRXD2 60 #define LLDP_DOT3_MAU_10G1GBASEPRXD3 61 #define LLDP_DOT3_MAU_10G1GBASEPRXU1 62 #define LLDP_DOT3_MAU_10G1GBASEPRXU2 63 #define LLDP_DOT3_MAU_10G1GBASEPRXU3 64 #define LLDP_DOT3_MAU_10GBASEPRD1 65 #define LLDP_DOT3_MAU_10GBASEPRD2 66 #define LLDP_DOT3_MAU_10GBASEPRD3 67 #define LLDP_DOT3_MAU_10GBASEPRU1 68 #define LLDP_DOT3_MAU_10GBASEPRU3 69 #define LLDP_DOT3_MAU_40GBASEKR4 70 #define LLDP_DOT3_MAU_40GBASECR4 71 #define LLDP_DOT3_MAU_40GBASESR4 72 #define LLDP_DOT3_MAU_40GBASEFR 73 #define LLDP_DOT3_MAU_40GBASELR4 74 #define LLDP_DOT3_MAU_100GBASECR10 75 #define LLDP_DOT3_MAU_100GBASESR10 76 #define LLDP_DOT3_MAU_100GBASELR4 77 #define LLDP_DOT3_MAU_100GBASEER4 78 #define LLDP_DOT3_MAU_1000BASET1 79 #define LLDP_DOT3_MAU_1000BASEPX30D 80 #define LLDP_DOT3_MAU_1000BASEPX30U 81 #define LLDP_DOT3_MAU_1000BASEPX40D 82 #define LLDP_DOT3_MAU_1000BASEPX40U 83 #define LLDP_DOT3_MAU_10G1GBASEPRXD4 84 #define LLDP_DOT3_MAU_10G1GBASEPRXU4 85 #define LLDP_DOT3_MAU_10GBASEPRD4 86 #define LLDP_DOT3_MAU_10GBASEPRU4 87 #define LLDP_DOT3_MAU_25GBASECR 88 #define LLDP_DOT3_MAU_25GBASECRS 89 #define LLDP_DOT3_MAU_25GBASEKR 90 #define LLDP_DOT3_MAU_25GBASEKRS 91 #define LLDP_DOT3_MAU_25GBASER 92 #define LLDP_DOT3_MAU_25GBASESR 93 #define LLDP_DOT3_MAU_25GBASET 94 #define LLDP_DOT3_MAU_40GBASEER4 95 #define LLDP_DOT3_MAU_40GBASER 96 #define LLDP_DOT3_MAU_40GBASET 97 #define LLDP_DOT3_MAU_100GBASECR4 98 #define LLDP_DOT3_MAU_100GBASEKR4 99 #define LLDP_DOT3_MAU_100GBASEKP4 100 #define LLDP_DOT3_MAU_100GBASER 101 #define LLDP_DOT3_MAU_100GBASESR4 102 #define LLDP_DOT3_MAU_2P5GIGT 103 #define LLDP_DOT3_MAU_5GIGT 104 #define LLDP_DOT3_MAU_100BASET1 105 #define LLDP_DOT3_MAU_1000BASERHA 106 #define LLDP_DOT3_MAU_1000BASERHB 107 #define LLDP_DOT3_MAU_1000BASERHC 108 #define LLDP_DOT3_MAU_2P5GBASEKX 109 #define LLDP_DOT3_MAU_2P5GBASEX 110 #define LLDP_DOT3_MAU_5GBASEKR 111 #define LLDP_DOT3_MAU_5GBASER 112 #define LLDP_DOT3_MAU_10GPASSXR 113 #define LLDP_DOT3_MAU_25GBASELR 114 #define LLDP_DOT3_MAU_25GBASEER 115 #define LLDP_DOT3_MAU_50GBASER 116 #define LLDP_DOT3_MAU_50GBASECR 117 #define LLDP_DOT3_MAU_50GBASEKR 118 #define LLDP_DOT3_MAU_50GBASESR 119 #define LLDP_DOT3_MAU_50GBASEFR 120 #define LLDP_DOT3_MAU_50GBASELR 121 #define LLDP_DOT3_MAU_50GBASEER 122 #define LLDP_DOT3_MAU_100GBASECR2 123 #define LLDP_DOT3_MAU_100GBASEKR2 124 #define LLDP_DOT3_MAU_100GBASESR2 125 #define LLDP_DOT3_MAU_100GBASEDR 126 #define LLDP_DOT3_MAU_200GBASER 127 #define LLDP_DOT3_MAU_200GBASEDR4 128 #define LLDP_DOT3_MAU_200GBASEFR4 129 #define LLDP_DOT3_MAU_200GBASELR4 130 #define LLDP_DOT3_MAU_200GBASECR4 131 #define LLDP_DOT3_MAU_200GBASEKR4 132 #define LLDP_DOT3_MAU_200GBASESR4 133 #define LLDP_DOT3_MAU_200GBASEER4 134 #define LLDP_DOT3_MAU_400GBASER 135 #define LLDP_DOT3_MAU_400GBASESR16 136 #define LLDP_DOT3_MAU_400GBASEDR4 137 #define LLDP_DOT3_MAU_400GBASEFR8 138 #define LLDP_DOT3_MAU_400GBASELR8 139 #define LLDP_DOT3_MAU_400GBASEER8 140 #define LLDP_DOT3_MAU_10BASET1L 141 #define LLDP_DOT3_MAU_10BASET1SHD 142 #define LLDP_DOT3_MAU_10BASET1SMD 143 #define LLDP_DOT3_MAU_10BASET1SFD 144 /* Dot3 Power Devicetype */ #define LLDP_DOT3_POWER_PSE 1 #define LLDP_DOT3_POWER_PD 2 /* Dot3 Power Pairs (RFC 3621) */ #define LLDP_DOT3_POWERPAIRS_SIGNAL 1 #define LLDP_DOT3_POWERPAIRS_SPARE 2 /* Dot3 Power type (for 802.3at) */ #define LLDP_DOT3_POWER_8023AT_OFF 0 #define LLDP_DOT3_POWER_8023AT_TYPE1 1 #define LLDP_DOT3_POWER_8023AT_TYPE2 2 /* 802.3bt additions */ #define LLDP_DOT3_POWER_8023BT_OFF 0 #define LLDP_DOT3_POWER_8023BT_TYPE3 1 #define LLDP_DOT3_POWER_8023BT_TYPE4 2 /* Dot3 power source */ #define LLDP_DOT3_POWER_SOURCE_UNKNOWN 0 #define LLDP_DOT3_POWER_SOURCE_PRIMARY 1 #define LLDP_DOT3_POWER_SOURCE_PSE 1 #define LLDP_DOT3_POWER_SOURCE_BACKUP 2 #define LLDP_DOT3_POWER_SOURCE_LOCAL 2 #define LLDP_DOT3_POWER_SOURCE_BOTH 3 /* Dot3 power priority */ #define LLDP_DOT3_POWER_PRIO_UNKNOWN 0 #define LLDP_DOT3_POWER_PRIO_CRITICAL 1 #define LLDP_DOT3_POWER_PRIO_HIGH 2 #define LLDP_DOT3_POWER_PRIO_LOW 3 /* PMD Auto-Negotiation Advertised Capability field, from RFC 3636 (see * IANAifMauAutoNegCapBits). Unfortunately, we are limited to two bytes, so * higher speed capabilities will map to "other". */ #define LLDP_DOT3_LINK_AUTONEG_OTHER 0x8000 #define LLDP_DOT3_LINK_AUTONEG_10BASE_T 0x4000 #define LLDP_DOT3_LINK_AUTONEG_10BASET_FD 0x2000 #define LLDP_DOT3_LINK_AUTONEG_100BASE_T4 0x1000 #define LLDP_DOT3_LINK_AUTONEG_100BASE_TX 0x0800 #define LLDP_DOT3_LINK_AUTONEG_100BASE_TXFD 0x0400 #define LLDP_DOT3_LINK_AUTONEG_100BASE_T2 0x0200 #define LLDP_DOT3_LINK_AUTONEG_100BASE_T2FD 0x0100 #define LLDP_DOT3_LINK_AUTONEG_FDX_PAUSE 0x0080 #define LLDP_DOT3_LINK_AUTONEG_FDX_APAUSE 0x0040 #define LLDP_DOT3_LINK_AUTONEG_FDX_SPAUSE 0x0020 #define LLDP_DOT3_LINK_AUTONEG_FDX_BPAUSE 0x0010 #define LLDP_DOT3_LINK_AUTONEG_1000BASE_X 0x0008 #define LLDP_DOT3_LINK_AUTONEG_1000BASE_XFD 0x0004 #define LLDP_DOT3_LINK_AUTONEG_1000BASE_T 0x0002 #define LLDP_DOT3_LINK_AUTONEG_1000BASE_TFD 0x0001 /* Capabilities */ #define LLDP_CAP_OTHER 0x01 #define LLDP_CAP_REPEATER 0x02 #define LLDP_CAP_BRIDGE 0x04 #define LLDP_CAP_WLAN 0x08 #define LLDP_CAP_ROUTER 0x10 #define LLDP_CAP_TELEPHONE 0x20 #define LLDP_CAP_DOCSIS 0x40 #define LLDP_CAP_STATION 0x80 #define LLDP_PPVID_CAP_SUPPORTED (1 << 1) #define LLDP_PPVID_CAP_ENABLED (1 << 2) /* see http://www.iana.org/assignments/address-family-numbers */ #define LLDP_MGMT_ADDR_NONE 0 #define LLDP_MGMT_ADDR_IP4 1 #define LLDP_MGMT_ADDR_IP6 2 #define LLDP_MGMT_IFACE_UNKNOWN 1 #define LLDP_MGMT_IFACE_IFINDEX 2 #define LLDP_MGMT_IFACE_SYSPORT 3 #define LLDP_MED_CLASS_I 1 #define LLDP_MED_CLASS_II 2 #define LLDP_MED_CLASS_III 3 #define LLDP_MED_NETWORK_DEVICE 4 /* LLDP MED application ttpes */ #define LLDP_MED_APPTYPE_UNDEFINED 0 #define LLDP_MED_APPTYPE_VOICE 1 #define LLDP_MED_APPTYPE_VOICESIGNAL 2 #define LLDP_MED_APPTYPE_GUESTVOICE 3 #define LLDP_MED_APPTYPE_GUESTVOICESIGNAL 4 #define LLDP_MED_APPTYPE_SOFTPHONEVOICE 5 #define LLDP_MED_APPTYPE_VIDEOCONFERENCE 6 #define LLDP_MED_APPTYPE_VIDEOSTREAM 7 #define LLDP_MED_APPTYPE_VIDEOSIGNAL 8 #define LLDP_MED_APPTYPE_LAST LLDP_MED_APPTYPE_VIDEOSIGNAL /* LLDP MED location formats */ #define LLDP_MED_LOCFORMAT_COORD 1 #define LLDP_MED_LOCFORMAT_CIVIC 2 #define LLDP_MED_LOCFORMAT_ELIN 3 #define LLDP_MED_LOCFORMAT_LAST LLDP_MED_LOCFORMAT_ELIN #define LLDP_MED_LOCATION_GEOID_WGS84 1 #define LLDP_MED_LOCATION_GEOID_NAD83 2 #define LLDP_MED_LOCATION_GEOID_NAD83_MLLW 3 #define LLDP_MED_LOCATION_ALTITUDE_UNIT_METER 1 #define LLDP_MED_LOCATION_ALTITUDE_UNIT_FLOOR 2 /* LLDP MED power related constants */ #define LLDP_MED_POW_TYPE_PSE 1 #define LLDP_MED_POW_TYPE_PD 2 #define LLDP_MED_POW_TYPE_RESERVED 3 #define LLDP_MED_POW_SOURCE_UNKNOWN 1 #define LLDP_MED_POW_SOURCE_PRIMARY 2 #define LLDP_MED_POW_SOURCE_BACKUP 3 #define LLDP_MED_POW_SOURCE_RESERVED 4 #define LLDP_MED_POW_SOURCE_PSE 5 #define LLDP_MED_POW_SOURCE_LOCAL 6 #define LLDP_MED_POW_SOURCE_BOTH 7 #define LLDP_MED_POW_PRIO_UNKNOWN 0 #define LLDP_MED_POW_PRIO_CRITICAL 1 #define LLDP_MED_POW_PRIO_HIGH 2 #define LLDP_MED_POW_PRIO_LOW 3 /* LLDP MED capabilities */ #define LLDP_MED_CAP_CAP 0x01 #define LLDP_MED_CAP_POLICY 0x02 #define LLDP_MED_CAP_LOCATION 0x04 #define LLDP_MED_CAP_MDI_PSE 0x08 #define LLDP_MED_CAP_MDI_PD 0x10 #define LLDP_MED_CAP_IV 0x20 /* Protocol constants for multi-protocol lldpd */ #define LLDPD_MODE_LLDP 1 #define LLDPD_MODE_CDPV1 2 #define LLDPD_MODE_CDPV2 3 #define LLDPD_MODE_SONMP 4 #define LLDPD_MODE_EDP 5 #define LLDPD_MODE_FDP 6 #define LLDPD_MODE_MAX LLDPD_MODE_FDP /* Bond slave src mac type constants */ #define LLDP_BOND_SLAVE_SRC_MAC_TYPE_UNKNOWN 0 #define LLDP_BOND_SLAVE_SRC_MAC_TYPE_REAL 1 #define LLDP_BOND_SLAVE_SRC_MAC_TYPE_ZERO 2 #define LLDP_BOND_SLAVE_SRC_MAC_TYPE_FIXED 3 #define LLDP_BOND_SLAVE_SRC_MAC_TYPE_LOCALLY_ADMINISTERED 4 #define LLDP_BOND_SLAVE_SRC_MAC_TYPE_MAX \ LLDP_BOND_SLAVE_SRC_MAC_TYPE_LOCALLY_ADMINISTERED /* Agent types */ #define LLDP_AGENT_TYPE_UNKNOWN 0 #define LLDP_AGENT_TYPE_NEAREST_BRIDGE 1 #define LLDP_AGENT_TYPE_NEAREST_NONTPMR_BRIDGE 2 #define LLDP_AGENT_TYPE_NEAREST_CUSTOMER_BRIDGE 3 #define LLDP_AGENT_TYPE_MAX LLDP_AGENT_TYPE_NEAREST_CUSTOMER_BRIDGE #endif /* _LLDP_H */ lldpd-1.0.18/src/Makefile.am0000644000076400001440000000110414436720261014762 0ustar00bernatusersAM_CFLAGS = -I $(top_srcdir)/include $(LLDP_CFLAGS) AM_CPPFLAGS = $(LLDP_CPPFLAGS) -DSYSCONFDIR='"$(sysconfdir)"' AM_LDFLAGS = $(LLDP_LDFLAGS) noinst_LTLIBRARIES = libcommon-daemon-lib.la libcommon-daemon-client.la include_HEADERS = lldp-const.h libcommon_daemon_lib_la_SOURCES = \ log.c log.h version.c \ marshal.c marshal.h \ ctl.c ctl.h \ lldpd-structs.c lldpd-structs.h lldp-const.h libcommon_daemon_lib_la_LIBADD = compat/libcompat.la libcommon_daemon_client_la_SOURCES = log.c log.h version.c lldp-const.h libcommon_daemon_client_la_LIBADD = compat/libcompat.la lldpd-1.0.18/src/ctl.c0000644000076400001440000001722714532716672013701 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include #include "ctl.h" #include "marshal.h" #include "log.h" #include "compat/compat.h" /** * Create a new listening Unix socket for control protocol. * * @param name The name of the Unix socket. * @return The socket when successful, -1 otherwise. */ int ctl_create(const char *name) { int s; struct sockaddr_un su; int rc; log_debug("control", "create control socket %s", name); if ((s = socket(PF_UNIX, SOCK_STREAM, 0)) == -1) return -1; if (fcntl(s, F_SETFD, FD_CLOEXEC) == -1) { close(s); return -1; } su.sun_family = AF_UNIX; strlcpy(su.sun_path, name, sizeof(su.sun_path)); if (bind(s, (struct sockaddr *)&su, sizeof(struct sockaddr_un)) == -1) { rc = errno; close(s); errno = rc; return -1; } log_debug("control", "listen to control socket %s", name); if (listen(s, 5) == -1) { rc = errno; close(s); errno = rc; log_debug("control", "cannot listen to control socket %s", name); return -1; } return s; } /** * Connect to the control Unix socket. * * @param name The name of the Unix socket. * @return The socket when successful, -1 otherwise. */ int ctl_connect(const char *name) { int s; struct sockaddr_un su; int rc; log_debug("control", "connect to control socket %s", name); if ((s = socket(PF_UNIX, SOCK_STREAM, 0)) == -1) return -1; su.sun_family = AF_UNIX; strlcpy(su.sun_path, name, sizeof(su.sun_path)); if (connect(s, (struct sockaddr *)&su, sizeof(struct sockaddr_un)) == -1) { rc = errno; log_warn("control", "unable to connect to socket %s", name); close(s); errno = rc; return -1; } return s; } /** * Remove the control Unix socket. * * @param name The name of the Unix socket. */ void ctl_cleanup(const char *name) { log_debug("control", "cleanup control socket"); if (unlink(name) == -1) log_warn("control", "unable to unlink %s", name); } /** * Serialize and "send" a structure through the control protocol. * * This function does not really send the message but outputs it to a buffer. * * @param output_buffer A pointer to a buffer to which the message will be * appended. Can be @c NULL. In this case, the buffer will * be allocated. * @param[in,out] output_len The length of the provided buffer. Will be updated * with the new length * @param type The type of message we want to send. * @param t The structure to be serialized and sent. * @param mi The appropriate marshal structure for serialization. * @return -1 in case of failure, 0 in case of success. * * Make sure this function logic matches the server-side one: @c levent_ctl_recv(). */ int ctl_msg_send_unserialized(uint8_t **output_buffer, size_t *output_len, enum hmsg_type type, void *t, struct marshal_info *mi) { ssize_t len = 0, newlen; void *buffer = NULL; log_debug("control", "send a message through control socket"); if (t) { len = marshal_serialize_(mi, t, &buffer, 0, NULL, 0); if (len <= 0) { log_warnx("control", "unable to serialize data"); return -1; } } newlen = len + sizeof(struct hmsg_header); if (*output_buffer == NULL) { *output_len = 0; if ((*output_buffer = malloc(newlen)) == NULL) { log_warn("control", "no memory available"); free(buffer); return -1; } } else { void *new = realloc(*output_buffer, *output_len + newlen); if (new == NULL) { log_warn("control", "no memory available"); free(buffer); return -1; } *output_buffer = new; } struct hmsg_header hdr; memset(&hdr, 0, sizeof(struct hmsg_header)); hdr.type = type; hdr.len = len; memcpy(*output_buffer + *output_len, &hdr, sizeof(struct hmsg_header)); if (t) memcpy(*output_buffer + *output_len + sizeof(struct hmsg_header), buffer, len); *output_len += newlen; free(buffer); return 0; } /** * "Receive" and unserialize a structure through the control protocol. * * Like @c ctl_msg_send_unserialized(), this function uses buffer to receive the * incoming message. * * @param[in,out] input_buffer The buffer with the incoming message. Will be * updated once the message has been unserialized to * point to the remaining of the message or will be * freed if all the buffer has been consumed. Can be * @c NULL. * @param[in,out] input_len The length of the provided buffer. Will be updated * to the length of remaining data once the message * has been unserialized. * @param expected_type The expected message type. * @param[out] t Will contain a pointer to the unserialized structure. * Can be @c NULL if we don't want to store the * answer. * @param mi The appropriate marshal structure for unserialization. * * @return -1 in case of error, 0 in case of success and the number of bytes we * request to complete unserialization. * * When requesting a notification, the input buffer is left untouched if we * don't get one and we fail silently. */ size_t ctl_msg_recv_unserialized(uint8_t **input_buffer, size_t *input_len, enum hmsg_type expected_type, void **t, struct marshal_info *mi) { struct hmsg_header hdr; int rc = -1; if (*input_buffer == NULL || *input_len < sizeof(struct hmsg_header)) { /* Not enough data. */ return sizeof(struct hmsg_header) - *input_len; } log_debug("control", "receive a message through control socket"); memcpy(&hdr, *input_buffer, sizeof(struct hmsg_header)); if (hdr.len > HMSG_MAX_SIZE) { log_warnx("control", "message received is too large"); /* We discard the whole buffer */ free(*input_buffer); *input_buffer = NULL; *input_len = 0; return -1; } if (*input_len < sizeof(struct hmsg_header) + hdr.len) { /* Not enough data. */ return sizeof(struct hmsg_header) + hdr.len - *input_len; } if (hdr.type != expected_type) { if (expected_type == NOTIFICATION) return -1; log_warnx("control", "incorrect received message type (expected: %d, received: %d)", expected_type, hdr.type); goto end; } if (t && !hdr.len) { log_warnx("control", "no payload available in answer"); goto end; } if (t) { /* We have data to unserialize. */ if (marshal_unserialize_(mi, *input_buffer + sizeof(struct hmsg_header), hdr.len, t, NULL, 0, 0) <= 0) { log_warnx("control", "unable to deserialize received data"); goto end; } } rc = 0; end: /* Discard input buffer */ *input_len -= sizeof(struct hmsg_header) + hdr.len; if (*input_len == 0) { free(*input_buffer); *input_buffer = NULL; } else memmove(*input_buffer, *input_buffer + sizeof(struct hmsg_header) + hdr.len, *input_len); return rc; } lldpd-1.0.18/src/lldpd-structs.h0000644000076400001440000004353114532716672015725 0ustar00bernatusers/* -*- mode: c; c-file-style: "openbsd" -*- */ /* * Copyright (c) 2008 Vincent Bernat * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _LLDPD_STRUCTS_H #define _LLDPD_STRUCTS_H #if HAVE_CONFIG_H # include #endif #include #include /* This is not very convenient, but we need net/if.h for IFNAMSIZ and others but * we may also need linux/if.h in some modules. And they conflict each others. */ #ifdef HOST_OS_LINUX # include #else # include #endif #include #include #include #include "compat/compat.h" #include "marshal.h" #include "lldp-const.h" #ifdef ENABLE_DOT1 struct lldpd_ppvid { TAILQ_ENTRY(lldpd_ppvid) p_entries; u_int8_t p_cap_status; u_int16_t p_ppvid; }; MARSHAL_BEGIN(lldpd_ppvid) MARSHAL_TQE(lldpd_ppvid, p_entries) MARSHAL_END(lldpd_ppvid); struct lldpd_vlan { TAILQ_ENTRY(lldpd_vlan) v_entries; char *v_name; u_int16_t v_vid; }; MARSHAL_BEGIN(lldpd_vlan) MARSHAL_TQE(lldpd_vlan, v_entries) MARSHAL_STR(lldpd_vlan, v_name) MARSHAL_END(lldpd_vlan); struct lldpd_pi { TAILQ_ENTRY(lldpd_pi) p_entries; char *p_pi; int p_pi_len; }; MARSHAL_BEGIN(lldpd_pi) MARSHAL_TQE(lldpd_pi, p_entries) MARSHAL_FSTR(lldpd_pi, p_pi, p_pi_len) MARSHAL_END(lldpd_pi); #endif #ifdef ENABLE_LLDPMED struct lldpd_med_policy { u_int8_t index; /* Not used. */ u_int8_t type; u_int8_t unknown; u_int8_t tagged; u_int16_t vid; u_int8_t priority; u_int8_t dscp; }; MARSHAL(lldpd_med_policy); struct lldpd_med_loc { u_int8_t index; /* Not used. */ u_int8_t format; char *data; int data_len; }; MARSHAL_BEGIN(lldpd_med_loc) MARSHAL_FSTR(lldpd_med_loc, data, data_len) MARSHAL_END(lldpd_med_loc); struct lldpd_med_power { u_int8_t devicetype; /* PD or PSE */ u_int8_t source; u_int8_t priority; u_int16_t val; }; MARSHAL(lldpd_med_power); #endif #ifdef ENABLE_DOT3 struct lldpd_dot3_macphy { u_int8_t autoneg_support; u_int8_t autoneg_enabled; u_int16_t autoneg_advertised; u_int16_t mau_type; }; struct lldpd_dot3_power { u_int8_t devicetype; u_int8_t supported; u_int8_t enabled; u_int8_t paircontrol; u_int8_t pairs; u_int8_t class; u_int8_t powertype; /* If set to LLDP_DOT3_POWER_8023AT_OFF, following fields have no meaning */ u_int8_t source; u_int8_t priority; u_int16_t requested; u_int16_t allocated; /* For 802.3BT */ u_int8_t pd_4pid; u_int16_t requested_a; u_int16_t requested_b; u_int16_t allocated_a; u_int16_t allocated_b; u_int16_t pse_status; u_int8_t pd_status; u_int8_t pse_pairs_ext; u_int8_t class_a; u_int8_t class_b; u_int8_t class_ext; u_int8_t type_ext; u_int8_t pd_load; u_int16_t pse_max; }; MARSHAL(lldpd_dot3_power); #endif #if defined ENABLE_CDP || defined ENABLE_FDP struct cdpv2_power { u_int16_t request_id; u_int16_t management_id; }; #endif enum { LLDPD_AF_UNSPEC = 0, LLDPD_AF_IPV4, LLDPD_AF_IPV6, LLDPD_AF_LAST }; #define LLDPD_MGMT_MAXADDRSIZE 16 /* sizeof(struct in6_addr) */ union lldpd_address { struct in_addr inet; struct in6_addr inet6; u_int8_t octets[LLDPD_MGMT_MAXADDRSIZE]; /* network byte order! */ }; struct lldpd_mgmt { TAILQ_ENTRY(lldpd_mgmt) m_entries; int m_family; union lldpd_address m_addr; size_t m_addrsize; u_int32_t m_iface; }; MARSHAL_BEGIN(lldpd_mgmt) MARSHAL_TQE(lldpd_mgmt, m_entries) MARSHAL_END(lldpd_mgmt); struct lldpd_chassis { TAILQ_ENTRY(lldpd_chassis) c_entries; u_int16_t c_refcount; /* Reference count by ports */ u_int16_t c_index; /* Monotonic index */ u_int8_t c_protocol; /* Protocol used to get this chassis */ u_int8_t c_id_subtype; char *c_id; int c_id_len; char *c_name; char *c_descr; u_int16_t c_cap_available; u_int16_t c_cap_enabled; TAILQ_HEAD(, lldpd_mgmt) c_mgmt; #ifdef ENABLE_LLDPMED u_int16_t c_med_cap_available; u_int8_t c_med_type; char *c_med_hw; char *c_med_fw; char *c_med_sw; char *c_med_sn; char *c_med_manuf; char *c_med_model; char *c_med_asset; #endif }; /* WARNING: any change to this structure should also be reflected into `lldpd_copy_chassis()` which is not using marshaling. */ MARSHAL_BEGIN(lldpd_chassis) MARSHAL_IGNORE(lldpd_chassis, c_entries.tqe_next) MARSHAL_IGNORE(lldpd_chassis, c_entries.tqe_prev) MARSHAL_FSTR(lldpd_chassis, c_id, c_id_len) MARSHAL_STR(lldpd_chassis, c_name) MARSHAL_STR(lldpd_chassis, c_descr) MARSHAL_SUBTQ(lldpd_chassis, lldpd_mgmt, c_mgmt) #ifdef ENABLE_LLDPMED MARSHAL_STR(lldpd_chassis, c_med_hw) MARSHAL_STR(lldpd_chassis, c_med_fw) MARSHAL_STR(lldpd_chassis, c_med_sw) MARSHAL_STR(lldpd_chassis, c_med_sn) MARSHAL_STR(lldpd_chassis, c_med_manuf) MARSHAL_STR(lldpd_chassis, c_med_model) MARSHAL_STR(lldpd_chassis, c_med_asset) #endif MARSHAL_END(lldpd_chassis); #ifdef ENABLE_CUSTOM # define CUSTOM_TLV_ADD 1 # define CUSTOM_TLV_REPLACE 2 # define CUSTOM_TLV_REMOVE 3 /* Custom TLV struct as defined on page 35 of IEEE 802.1AB-2005 */ struct lldpd_custom { TAILQ_ENTRY(lldpd_custom) next; /* Pointer to next custom TLV */ /* Organizationally Unique Identifier */ u_int8_t oui[LLDP_TLV_ORG_OUI_LEN]; /* Organizationally Defined Subtype */ u_int8_t subtype; /* Organizationally Defined Information String */ u_int8_t *oui_info; /* Organizationally Defined Information String length */ int oui_info_len; }; MARSHAL_BEGIN(lldpd_custom) MARSHAL_TQE(lldpd_custom, next) MARSHAL_FSTR(lldpd_custom, oui_info, oui_info_len) MARSHAL_END(lldpd_custom); #endif struct lldpd_port { TAILQ_ENTRY(lldpd_port) p_entries; struct lldpd_chassis *p_chassis; /* Attached chassis */ time_t p_lastchange; /* Time of last change of values */ time_t p_lastupdate; /* Time of last update received */ time_t p_lastremove; /* Time of last removal of a remote port. Used for local ports * only Used for deciding lldpStatsRemTablesLastChangeTime */ struct lldpd_frame *p_lastframe; /* Frame received during last update */ u_int8_t p_protocol; /* Protocol used to get this port */ u_int8_t p_hidden_in : 1; /* Considered as hidden for reception */ u_int8_t p_hidden_out : 1; /* Considered as hidden for emission */ u_int8_t p_disable_rx : 1; /* Should RX be disabled for this port? */ u_int8_t p_disable_tx : 1; /* Should TX be disabled for this port? */ /* Important: all fields that should be ignored to check if a port has * been changed should be before this mark. */ #define LLDPD_PORT_START_MARKER (offsetof(struct lldpd_port, _p_hardware_flags)) int _p_hardware_flags; /* This is a copy of hardware flags. Do not use it! */ u_int8_t p_id_subtype; char *p_id; int p_id_len; char *p_descr; int p_descr_force; /* Description has been forced by user */ u_int16_t p_mfs; u_int16_t p_ttl; /* TTL for remote port */ int p_vlan_tx_tag; int p_vlan_tx_enabled; #ifdef ENABLE_DOT3 /* Dot3 stuff */ u_int32_t p_aggregid; struct lldpd_dot3_macphy p_macphy; struct lldpd_dot3_power p_power; #endif #ifdef ENABLE_LLDPMED u_int16_t p_med_cap_enabled; struct lldpd_med_policy p_med_policy[LLDP_MED_APPTYPE_LAST]; struct lldpd_med_loc p_med_location[LLDP_MED_LOCFORMAT_LAST]; struct lldpd_med_power p_med_power; #endif #if defined ENABLE_CDP || defined ENABLE_FDP struct cdpv2_power p_cdp_power; #endif #ifdef ENABLE_DOT1 u_int16_t p_pvid; TAILQ_HEAD(, lldpd_vlan) p_vlans; TAILQ_HEAD(, lldpd_ppvid) p_ppvids; TAILQ_HEAD(, lldpd_pi) p_pids; #endif #ifdef ENABLE_CUSTOM TAILQ_HEAD(, lldpd_custom) p_custom_list; #endif }; MARSHAL_BEGIN(lldpd_port) MARSHAL_TQE(lldpd_port, p_entries) MARSHAL_POINTER(lldpd_port, lldpd_chassis, p_chassis) MARSHAL_IGNORE(lldpd_port, p_lastframe) MARSHAL_FSTR(lldpd_port, p_id, p_id_len) MARSHAL_STR(lldpd_port, p_descr) #ifdef ENABLE_LLDPMED MARSHAL_SUBSTRUCT(lldpd_port, lldpd_med_loc, p_med_location[0]) MARSHAL_SUBSTRUCT(lldpd_port, lldpd_med_loc, p_med_location[1]) MARSHAL_SUBSTRUCT(lldpd_port, lldpd_med_loc, p_med_location[2]) #endif #ifdef ENABLE_DOT1 MARSHAL_SUBTQ(lldpd_port, lldpd_vlan, p_vlans) MARSHAL_SUBTQ(lldpd_port, lldpd_ppvid, p_ppvids) MARSHAL_SUBTQ(lldpd_port, lldpd_pi, p_pids) #endif #ifdef ENABLE_CUSTOM MARSHAL_SUBTQ(lldpd_port, lldpd_custom, p_custom_list) #endif MARSHAL_END(lldpd_port); /* Used to modify some port related settings */ #define LLDPD_RXTX_UNCHANGED 0 #define LLDPD_RXTX_TXONLY 1 #define LLDPD_RXTX_RXONLY 2 #define LLDPD_RXTX_DISABLED 3 #define LLDPD_RXTX_BOTH 4 #define LLDPD_RXTX_FROM_PORT(p) \ (((p)->p_disable_rx && (p)->p_disable_tx) ? LLDPD_RXTX_DISABLED : \ ((p)->p_disable_rx && !(p)->p_disable_tx) ? LLDPD_RXTX_TXONLY : \ (!(p)->p_disable_rx && (p)->p_disable_tx) ? LLDPD_RXTX_RXONLY : \ LLDPD_RXTX_BOTH) #define LLDPD_RXTX_RXENABLED(v) ((v) == LLDPD_RXTX_RXONLY || (v) == LLDPD_RXTX_BOTH) #define LLDPD_RXTX_TXENABLED(v) ((v) == LLDPD_RXTX_TXONLY || (v) == LLDPD_RXTX_BOTH) struct lldpd_port_set { char *ifname; char *local_id; char *local_descr; int rxtx; int vlan_tx_tag; int vlan_tx_enabled; #ifdef ENABLE_LLDPMED struct lldpd_med_policy *med_policy; struct lldpd_med_loc *med_location; struct lldpd_med_power *med_power; #endif #ifdef ENABLE_DOT3 struct lldpd_dot3_power *dot3_power; #endif #ifdef ENABLE_CUSTOM struct lldpd_custom *custom; int custom_list_clear; int custom_tlv_op; #endif }; MARSHAL_BEGIN(lldpd_port_set) MARSHAL_STR(lldpd_port_set, ifname) MARSHAL_STR(lldpd_port_set, local_id) MARSHAL_STR(lldpd_port_set, local_descr) #ifdef ENABLE_LLDPMED MARSHAL_POINTER(lldpd_port_set, lldpd_med_policy, med_policy) MARSHAL_POINTER(lldpd_port_set, lldpd_med_loc, med_location) MARSHAL_POINTER(lldpd_port_set, lldpd_med_power, med_power) #endif #ifdef ENABLE_DOT3 MARSHAL_POINTER(lldpd_port_set, lldpd_dot3_power, dot3_power) #endif #ifdef ENABLE_CUSTOM MARSHAL_POINTER(lldpd_port_set, lldpd_custom, custom) #endif MARSHAL_END(lldpd_port_set); /* Smart mode / Hide mode */ #define SMART_INCOMING_FILTER (1 << 0) /* Incoming filtering enabled */ #define SMART_INCOMING_ONE_PROTO (1 << 1) /* On reception, keep only one proto */ #define SMART_INCOMING_ONE_NEIGH (1 << 2) /* On reception, keep only one neighbor */ #define SMART_OUTGOING_FILTER (1 << 3) /* Outgoing filtering enabled */ #define SMART_OUTGOING_ONE_PROTO (1 << 4) /* On emission, keep only one proto */ #define SMART_OUTGOING_ONE_NEIGH (1 << 5) /* On emission, only one neighbor */ #define SMART_INCOMING \ (SMART_INCOMING_FILTER | SMART_INCOMING_ONE_PROTO | SMART_INCOMING_ONE_NEIGH) #define SMART_OUTGOING \ (SMART_OUTGOING_FILTER | SMART_OUTGOING_ONE_PROTO | SMART_OUTGOING_ONE_NEIGH) struct lldpd_config { int c_paused; /* lldpd is paused */ int c_tx_interval; /* Transmit interval (in ms) */ int c_ttl; /* TTL */ int c_smart; /* Bitmask for smart configuration (see SMART_*) */ int c_receiveonly; /* Receive only mode */ int c_max_neighbors; /* Maximum number of neighbors (per protocol) */ char *c_mgmt_pattern; /* Pattern to match a management address */ char *c_cid_pattern; /* Pattern to match interfaces to use for chassis ID */ char *c_cid_string; /* User defined string for chassis ID */ char *c_iface_pattern; /* Pattern to match interfaces to use */ char *c_perm_ifaces; /* Pattern to match interfaces to keep */ char *c_platform; /* Override platform description (for CDP) */ char *c_description; /* Override chassis description */ char *c_hostname; /* Override system name */ int c_advertise_version; /* Should the precise version be advertised? */ int c_set_ifdescr; /* Set interface description */ int c_promisc; /* Interfaces should be in promiscuous mode */ int c_cap_advertise; /* Chassis capabilities advertisement */ int c_cap_override; /* Override chassis capabilities enabled */ int c_mgmt_advertise; /* Management addresses advertisement */ #ifdef ENABLE_LLDPMED int c_noinventory; /* Don't send inventory with LLDP-MED */ int c_enable_fast_start; /* enable fast start */ int c_tx_fast_init; /* Num of lldpd lldppdu's for fast start */ int c_tx_fast_interval; /* Time intr between sends during fast start */ #endif int c_tx_hold; /* Transmit hold */ int c_bond_slave_src_mac_type; /* Src mac type in lldp frames over bond slaves */ int c_lldp_portid_type; /* The PortID type */ int c_lldp_agent_type; /* The agent type */ }; MARSHAL_BEGIN(lldpd_config) MARSHAL_STR(lldpd_config, c_mgmt_pattern) MARSHAL_STR(lldpd_config, c_cid_pattern) MARSHAL_STR(lldpd_config, c_cid_string) MARSHAL_STR(lldpd_config, c_iface_pattern) MARSHAL_STR(lldpd_config, c_perm_ifaces) MARSHAL_STR(lldpd_config, c_hostname) MARSHAL_STR(lldpd_config, c_platform) MARSHAL_STR(lldpd_config, c_description) MARSHAL_END(lldpd_config); struct lldpd_frame { int size; unsigned char frame[1]; }; struct lldpd_hardware; struct lldpd; struct lldpd_ops { int (*send)(struct lldpd *, struct lldpd_hardware *, char *, size_t); /* Function to send a frame */ int (*recv)(struct lldpd *, struct lldpd_hardware *, int, char *, size_t); /* Function to receive a frame */ int (*cleanup)(struct lldpd *, struct lldpd_hardware *); /* Cleanup function. */ }; /* An interface is uniquely identified by h_ifindex, h_ifname and h_ops. This * means if an interface becomes enslaved, it will be considered as a new * interface. The same applies for renaming and we include the index in case of * renaming to an existing interface. */ struct lldpd_hardware { TAILQ_ENTRY(lldpd_hardware) h_entries; struct lldpd *h_cfg; /* Pointer to main configuration */ void *h_recv; /* FD for reception */ int h_sendfd; /* FD for sending, only used by h_ops */ int h_mangle; /* 1 if we have to mangle the MAC address */ struct lldpd_ops *h_ops; /* Hardware-dependent functions */ void *h_data; /* Hardware-dependent data */ void *h_timer; /* Timer for this port */ int h_mtu; int h_flags; /* Packets will be sent only if IFF_RUNNING. Will be removed if this is left to 0. */ int h_ifindex; /* Interface index, used by SNMP */ int h_ifindex_changed; /* Interface index has changed */ char h_ifname[IFNAMSIZ]; /* Should be unique */ u_int8_t h_lladdr[ETHER_ADDR_LEN]; u_int64_t h_tx_cnt; u_int64_t h_rx_cnt; u_int64_t h_rx_discarded_cnt; u_int64_t h_rx_unrecognized_cnt; u_int64_t h_ageout_cnt; u_int64_t h_insert_cnt; u_int64_t h_delete_cnt; u_int64_t h_drop_cnt; /* Previous values of different stuff. */ /* Backup of the previous local port. Used to check if there was a * change to send an immediate update. All those are not marshalled to * the client. */ void *h_lport_previous; ssize_t h_lport_previous_len; /* Backup of the previous chassis ID. Used to check if there was a * change and send an LLDP shutdown. */ u_int8_t h_lchassis_previous_id_subtype; char *h_lchassis_previous_id; int h_lchassis_previous_id_len; /* Backup of the previous port ID. Used to check if there was a change * and send an LLDP shutdown. */ u_int8_t h_lport_previous_id_subtype; char *h_lport_previous_id; int h_lport_previous_id_len; char *h_ifdescr_previous; struct lldpd_port h_lport; /* Port attached to this hardware port */ TAILQ_HEAD(, lldpd_port) h_rports; /* Remote ports */ #ifdef ENABLE_LLDPMED int h_tx_fast; /* current tx fast start count */ #endif }; MARSHAL_BEGIN(lldpd_hardware) MARSHAL_IGNORE(lldpd_hardware, h_entries.tqe_next) MARSHAL_IGNORE(lldpd_hardware, h_entries.tqe_prev) MARSHAL_IGNORE(lldpd_hardware, h_ops) MARSHAL_IGNORE(lldpd_hardware, h_data) MARSHAL_IGNORE(lldpd_hardware, h_cfg) MARSHAL_IGNORE(lldpd_hardware, h_lport_previous) MARSHAL_IGNORE(lldpd_hardware, h_lport_previous_len) MARSHAL_IGNORE(lldpd_hardware, h_lchassis_previous_id_subtype) MARSHAL_IGNORE(lldpd_hardware, h_lchassis_previous_id) MARSHAL_IGNORE(lldpd_hardware, h_lchassis_previous_id_len) MARSHAL_IGNORE(lldpd_hardware, h_lport_previous_id_subtype) MARSHAL_IGNORE(lldpd_hardware, h_lport_previous_id) MARSHAL_IGNORE(lldpd_hardware, h_lport_previous_id_len) MARSHAL_SUBSTRUCT(lldpd_hardware, lldpd_port, h_lport) MARSHAL_SUBTQ(lldpd_hardware, lldpd_port, h_rports) MARSHAL_END(lldpd_hardware); struct lldpd_interface { TAILQ_ENTRY(lldpd_interface) next; char *name; }; MARSHAL_BEGIN(lldpd_interface) MARSHAL_TQE(lldpd_interface, next) MARSHAL_STR(lldpd_interface, name) MARSHAL_END(lldpd_interface); TAILQ_HEAD(lldpd_interface_list, lldpd_interface); MARSHAL_TQ(lldpd_interface_list, lldpd_interface); struct lldpd_neighbor_change { char *ifname; #define NEIGHBOR_CHANGE_DELETED -1 #define NEIGHBOR_CHANGE_ADDED 1 #define NEIGHBOR_CHANGE_UPDATED 0 int state; struct lldpd_port *neighbor; }; MARSHAL_BEGIN(lldpd_neighbor_change) MARSHAL_STR(lldpd_neighbor_change, ifname) MARSHAL_POINTER(lldpd_neighbor_change, lldpd_port, neighbor) MARSHAL_END(lldpd_neighbor_change); /* Cleanup functions */ void lldpd_chassis_mgmt_cleanup(struct lldpd_chassis *); void lldpd_chassis_cleanup(struct lldpd_chassis *, int); void lldpd_remote_cleanup(struct lldpd_hardware *, void (*expire)(struct lldpd_hardware *, struct lldpd_port *), int); void lldpd_port_cleanup(struct lldpd_port *, int); void lldpd_config_cleanup(struct lldpd_config *); #ifdef ENABLE_DOT1 void lldpd_ppvid_cleanup(struct lldpd_port *); void lldpd_vlan_cleanup(struct lldpd_port *); void lldpd_pi_cleanup(struct lldpd_port *); #endif #ifdef ENABLE_CUSTOM void lldpd_custom_tlv_cleanup(struct lldpd_port *, struct lldpd_custom *); void lldpd_custom_tlv_add(struct lldpd_port *, struct lldpd_custom *); void lldpd_custom_list_cleanup(struct lldpd_port *); #endif #endif lldpd-1.0.18/config.h.in0000644000076400001440000002015514550773312014173 0ustar00bernatusers/* config.h.in. Generated from configure.ac by autoheader. */ /* Directory for AppArmor profiles (Linux) */ #undef APPARMORDIR /* Build date and time */ #undef BUILD_DATE /* Cisco Discovery Protocol */ #undef ENABLE_CDP /* Custom TLV support */ #undef ENABLE_CUSTOM /* Dot1 extension (VLAN stuff) */ #undef ENABLE_DOT1 /* Dot3 extension (PHY stuff) */ #undef ENABLE_DOT3 /* systemtap/DTrace trace support */ #undef ENABLE_DTRACE /* Extreme Discovery Protocol */ #undef ENABLE_EDP /* Foundry Discovery Protocol */ #undef ENABLE_FDP /* use of pre-0.9.2 JSON/json-c format */ #undef ENABLE_JSON0 /* LLDP-MED extension */ #undef ENABLE_LLDPMED /* compatibility with Linux kernel older than 2.6.39 */ #undef ENABLE_OLDIES /* Privilege separation */ #undef ENABLE_PRIVSEP /* SynOptics Network Management Protocol */ #undef ENABLE_SONMP /* Define if have both address and leak sanitizer */ #undef HAVE_ADDRESS_SANITIZER /* Define if __alignof__ operator is available */ #undef HAVE_ALIGNOF /* Define to 1 if you have the header file. */ #undef HAVE_ARPA_NAMESER_H /* Define to 1 if you have the `asprintf' function. */ #undef HAVE_ASPRINTF /* Define to 1 if you have the `daemon' function. */ #undef HAVE_DAEMON /* Define to 1 if you have the header file. */ #undef HAVE_DLFCN_H /* Define to 1 if you have the `fork' function. */ #undef HAVE_FORK /* Define to 1 if you have the `getline' function. */ #undef HAVE_GETLINE /* Define to 1 if you have the header file. */ #undef HAVE_HISTORY_H /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define if you have a readline compatible library */ #undef HAVE_LIBREADLINE /* Define to indicate support of linux capabilities */ #undef HAVE_LINUX_CAPABILITIES /* Define to 1 if your system has a GNU libc compatible `malloc' function, and to 0 otherwise. */ #undef HAVE_MALLOC /* Define to 1 if you have the header file. */ #undef HAVE_NETDB_H /* Define to 1 if you have the header file. */ #undef HAVE_NETINET_IN_H /* Define to 1 if you have the `netsnmp_enable_subagent' function. */ #undef HAVE_NETSNMP_ENABLE_SUBAGENT /* Define to 1 if `f_create_from_tstring_new' is a member of `netsnmp_tdomain'. */ #undef HAVE_NETSNMP_TDOMAIN_F_CREATE_FROM_TSTRING_NEW /* Define to 1 if you have the header file. */ #undef HAVE_NET_SNMP_AGENT_UTIL_FUNCS_H /* Define to 1 if you have the header file. */ #undef HAVE_READLINE_H /* Define if your readline library has \`add_history' */ #undef HAVE_READLINE_HISTORY /* Define to 1 if you have the header file. */ #undef HAVE_READLINE_HISTORY_H /* Define to 1 if you have the header file. */ #undef HAVE_READLINE_READLINE_H /* Define to 1 if your system has a GNU libc compatible `realloc' function, and to 0 otherwise. */ #undef HAVE_REALLOC /* Define to 1 if you have the header file. */ #undef HAVE_RESOLV_H /* Define to indicate that res_init() exists */ #undef HAVE_RES_INIT /* Define to 1 if you have the `setproctitle' function. */ #undef HAVE_SETPROCTITLE /* Define to 1 if you have the `setproctitle_init' function. */ #undef HAVE_SETPROCTITLE_INIT /* Define to 1 if you have the `setresgid' function. */ #undef HAVE_SETRESGID /* Define to 1 if you have the `setresuid' function. */ #undef HAVE_SETRESUID /* Define to 1 if you have the `snmp_select_info2' function. */ #undef HAVE_SNMP_SELECT_INFO2 /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDIO_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the `strlcpy' function. */ #undef HAVE_STRLCPY /* Define to 1 if you have the `strndup' function. */ #undef HAVE_STRNDUP /* Define to 1 if you have the `strnlen' function. */ #undef HAVE_STRNLEN /* Define to 1 if you have the `strtonum' function. */ #undef HAVE_STRTONUM /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if typeof works with your compiler. */ #undef HAVE_TYPEOF /* Define to 1 if the system has the type `uint32_t'. */ #undef HAVE_UINT32_T /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to 1 if the system has the type `u_int32_t'. */ #undef HAVE_U_INT32_T /* Define to 1 if you have the header file. */ #undef HAVE_VALGRIND_VALGRIND_H /* Define to 1 if you have the `vfork' function. */ #undef HAVE_VFORK /* Define to 1 if you have the header file. */ #undef HAVE_VFORK_H /* Define to 1 if you have the `vsyslog' function. */ #undef HAVE_VSYSLOG /* Define to 1 if `fork' works. */ #undef HAVE_WORKING_FORK /* Define to 1 if `vfork' works. */ #undef HAVE_WORKING_VFORK /* Define if libc defines __progname */ #undef HAVE___PROGNAME /* Host operating system is DragonFly BSD */ #undef HOST_OS_DRAGONFLY /* Host operating system is FreeBSD */ #undef HOST_OS_FREEBSD /* Host operating system is Linux */ #undef HOST_OS_LINUX /* Host operating system is NetBSD */ #undef HOST_OS_NETBSD /* Host operating system is OpenBSD */ #undef HOST_OS_OPENBSD /* Host operating system is macOS */ #undef HOST_OS_OSX /* Host operating system is Solaris */ #undef HOST_OS_SOLARIS /* Directory for launchd configuration file (OSX) */ #undef LAUNCHDDAEMONSDIR /* Path to socket for communication with lldpd */ #undef LLDPD_CTL_SOCKET /* Path to lldpd PID file */ #undef LLDPD_PID_FILE /* C compiler command */ #undef LLDP_CC /* Linker compiler command */ #undef LLDP_LD /* Define to the sub-directory where libtool stores uninstalled libraries. */ #undef LT_OBJDIR /* Minimal kernel version required */ #undef MIN_LINUX_KERNEL_VERSION /* Netlink maximum receive buffer size */ #undef NETLINK_MAX_RECEIVE_BUFSIZE /* Netlink initial receive buffer size */ #undef NETLINK_RECEIVE_BUFSIZE /* Netlink send buffer size */ #undef NETLINK_SEND_BUFSIZE /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Which directory to use to chroot lldpd */ #undef PRIVSEP_CHROOT /* Which group to use for privilege separation */ #undef PRIVSEP_GROUP /* Which user to use for privilege separation */ #undef PRIVSEP_USER /* Define to 1 if all of the C90 standard headers exist (not just the ones required in a freestanding environment). This macro is provided for backward compatibility; new code need not use it. */ #undef STDC_HEADERS /* Directory for systemd service files */ #undef SYSTEMDSYSTEMUNITDIR /* Directory for sysusers files */ #undef SYSUSERSDIR /* Define to indicate to enable seccomp support */ #undef USE_SECCOMP /* Define to indicate to enable SNMP support */ #undef USE_SNMP /* Define to indicate to enable XML support */ #undef USE_XML /* Version number of package */ #undef VERSION /* Define to rpl_malloc if the replacement function should be used. */ #undef malloc /* Define as a signed integer type capable of holding a process identifier. */ #undef pid_t /* Define to rpl_realloc if the replacement function should be used. */ #undef realloc /* Define to __typeof__ if your compiler spells it that way. */ #undef typeof /* Compatibility with Linux u_int16_t */ #undef u_int16_t /* Compatibility with Linux u_int32_t */ #undef u_int32_t /* Compatibility with Linux u_int64_t */ #undef u_int64_t /* Compatibility with Linux u_int8_t */ #undef u_int8_t /* Define as `fork' if `vfork' does not work. */ #undef vfork lldpd-1.0.18/install-sh0000755000076400001440000003577614550773312014173 0ustar00bernatusers#!/bin/sh # install - install a program, script, or datafile scriptversion=2020-11-14.01; # UTC # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the # following copyright and license. # # Copyright (C) 1994 X Consortium # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to # deal in the Software without restriction, including without limitation the # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or # sell copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # 'make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. tab=' ' nl=' ' IFS=" $tab$nl" # Set DOITPROG to "echo" to test this script. doit=${DOITPROG-} doit_exec=${doit:-exec} # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_mkdir= # Desired mode of installed file. mode=0755 # Create dirs (including intermediate dirs) using mode 755. # This is like GNU 'install' as of coreutils 8.32 (2020). mkdir_umask=22 backupsuffix= chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false is_target_a_directory=possibly usage="\ Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE or: $0 [OPTION]... SRCFILES... DIRECTORY or: $0 [OPTION]... -t DIRECTORY SRCFILES... or: $0 [OPTION]... -d DIRECTORIES... In the 1st form, copy SRCFILE to DSTFILE. In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. In the 4th, create DIRECTORIES. Options: --help display this help and exit. --version display version info and exit. -c (ignored) -C install only if different (preserve data modification time) -d create directories instead of installing files. -g GROUP $chgrpprog installed files to GROUP. -m MODE $chmodprog installed files to MODE. -o USER $chownprog installed files to USER. -p pass -p to $cpprog. -s $stripprog installed files. -S SUFFIX attempt to back up existing files, with suffix SUFFIX. -t DIRECTORY install into DIRECTORY. -T report an error if DSTFILE is a directory. Environment variables override the default commands: CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG By default, rm is invoked with -f; when overridden with RMPROG, it's up to you to specify -f if you want it. If -S is not specified, no backups are attempted. Email bug reports to bug-automake@gnu.org. 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(umask $cp_umask && { test -z "$stripcmd" || { # Create $dsttmp read-write so that cp doesn't create it read-only, # which would cause strip to fail. if test -z "$doit"; then : >"$dsttmp" # No need to fork-exec 'touch'. else $doit touch "$dsttmp" fi } } && $doit_exec $cpprog "$src" "$dsttmp") && # and set any options; do chmod last to preserve setuid bits. # # If any of these fail, we abort the whole thing. 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Don't worry if it fails, # e.g., if mv doesn't support -f. if test -n "$backupsuffix" && test -f "$dst"; then $doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null fi # Rename the file to the real destination. $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || # The rename failed, perhaps because mv can't rename something else # to itself, or perhaps because mv is so ancient that it does not # support -f. { # Now remove or move aside any old file at destination location. # We try this two ways since rm can't unlink itself on some # systems and the destination file might be busy for other # reasons. In this case, the final cleanup might fail but the new # file should still install successfully. { test ! -f "$dst" || $doit $rmcmd "$dst" 2>/dev/null || { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && { $doit $rmcmd "$rmtmp" 2>/dev/null; :; } } || { echo "$0: cannot unlink or rename $dst" >&2 (exit 1); exit 1 } } && # Now rename the file to the real destination. $doit $mvcmd "$dsttmp" "$dst" } fi || exit 1 trap '' 0 fi done # Local variables: # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC0" # time-stamp-end: "; # UTC" # End: lldpd-1.0.18/CONTRIBUTE.md0000644000076400001440000000416014532716672014154 0ustar00bernatusersCoding standards ---------------- Contributed code should roughly follow [OpenBSD style][1]. For Emacs, I am using the following snippet to get the appropriate indentation: (c-add-style "openbsd" '("bsd" (c-basic-offset . 8) (c-tab-width . 8) (fill-column . 80) (indent-tabs-mode . t) (c-offsets-alist . ((defun-block-intro . +) (statement-block-intro . +) (statement-case-intro . +) (statement-cont . *) (substatement-open . *) (substatement . +) (arglist-cont-nonempty . *) (inclass . +) (inextern-lang . 0) (knr-argdecl-intro . +))))) Important stuff is to use tabulations. Each tabulation has a width of 8 characters. This limits excessive nesting. Try to respect the 80 columns limit if possible. Opening braces are on the same line, except for functions where they are on their own lines. Closing braces are always on their own lives. Return type for functions are on their own lines too: int main(int argc, char *argv[]) { /* [...] */ } [1]: http://www.openbsd.org/cgi-bin/man.cgi?query=style&sektion=9 Submitting patches ------------------ Patches against git tip are preferred. Please, clone the repository: git clone https://github.com/lldpd/lldpd.git Do any modification you need. Commit the modifications with a meaningful message: 1. Use a descriptive first-line. 2. Prepend the first line with the name of the subsystem modified (`lldpd`, `lib`, `client`) or something a bit more precise. 3. Don't be afraid to put a lot of details in the commit message. Use `git format-patch` to get patches to submit: git format-patch origin/master Feel free to use `git send-email` which is like `git format-patch` but will propose to directly send patches by email. You can also open a [pull request][2] on Github. [2]: https://help.github.com/articles/using-pull-requests lldpd-1.0.18/m4/0000755000076400001440000000000014550773325012471 5ustar00bernatuserslldpd-1.0.18/m4/os.m40000644000076400001440000000302514532716672013356 0ustar00bernatusers# # lldp_CHECK_OS # # List of supported OS. # AC_DEFUN([lldp_DEFINE_OS], [dnl case $host_os in $1) os="$2" AC_DEFINE_UNQUOTED(HOST_OS_$3, 1, [Host operating system is $2]) ;; esac AM_CONDITIONAL(HOST_OS_$3, test x"$os" = x"$2")dnl ]) AC_DEFUN([lldp_CHECK_OS], [ AC_CANONICAL_HOST AC_MSG_CHECKING([if host OS is supported]) lldp_DEFINE_OS(linux*, Linux, LINUX) lldp_DEFINE_OS(freebsd*|kfreebsd*, FreeBSD, FREEBSD) lldp_DEFINE_OS(dragonfly*, [DragonFly BSD], DRAGONFLY) lldp_DEFINE_OS(openbsd*, OpenBSD, OPENBSD) lldp_DEFINE_OS(netbsd*, NetBSD, NETBSD) lldp_DEFINE_OS(darwin*, macOS, OSX) lldp_DEFINE_OS(solaris*, Solaris, SOLARIS) if test x"$os" = x; then AC_MSG_RESULT(no) AC_MSG_ERROR([*** unsupported OS $host_os]) fi AC_MSG_RESULT([yes ($os)]) ]) # Enable some additional CFLAGS depending on the OS AC_DEFUN([lldp_CFLAGS_OS], [ # Most of what we want can be enabled nowadays with _GNU_SOURCE AX_CFLAGS_GCC_OPTION([-D_GNU_SOURCE], [LLDP_CPPFLAGS]) dnl GNU systems (asprintf, ...) case $host_os in solaris*) AX_CFLAGS_GCC_OPTION([-D__EXTENSIONS__], [LLDP_CPPFLAGS]) dnl (CMSG_*) AX_CFLAGS_GCC_OPTION([-D_XPG4_2], [LLDP_CPPFLAGS]) dnl (CMSG_*) ;; hpux*) AX_CFLAGS_GCC_OPTION([-D_XOPEN_SOURCE=500], [LLDP_CPPFLAGS]) dnl HP-UX AX_CFLAGS_GCC_OPTION([-D_XOPEN_SOURCE_EXTENDED], [LLDP_CPPFLAGS]) dnl HP-UX ;; netbsd*) AX_CFLAGS_GCC_OPTION([-D_OPENBSD_SOURCE], [LLDP_CPPFLAGS]) dnl strtonum ;; esac ]) lldpd-1.0.18/m4/ltoptions.m40000644000076400001440000003427514550773306015000 0ustar00bernatusers# Helper functions for option handling. -*- Autoconf -*- # # Copyright (C) 2004-2005, 2007-2009, 2011-2019, 2021-2022 Free # Software Foundation, Inc. # Written by Gary V. Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 8 ltoptions.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) # _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) # ------------------------------------------ m4_define([_LT_MANGLE_OPTION], [[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) # _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) # --------------------------------------- # Set option OPTION-NAME for macro MACRO-NAME, and if there is a # matching handler defined, dispatch to it. Other OPTION-NAMEs are # saved as a flag. m4_define([_LT_SET_OPTION], [m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), _LT_MANGLE_DEFUN([$1], [$2]), [m4_warning([Unknown $1 option '$2'])])[]dnl ]) # _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) # ------------------------------------------------------------ # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. m4_define([_LT_IF_OPTION], [m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) # _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) # ------------------------------------------------------- # Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME # are set. m4_define([_LT_UNLESS_OPTIONS], [m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), [m4_define([$0_found])])])[]dnl m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 ])[]dnl ]) # _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) # ---------------------------------------- # OPTION-LIST is a space-separated list of Libtool options associated # with MACRO-NAME. If any OPTION has a matching handler declared with # LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about # the unknown option and exit. m4_defun([_LT_SET_OPTIONS], [# Set options m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [_LT_SET_OPTION([$1], _LT_Option)]) m4_if([$1],[LT_INIT],[ dnl dnl Simply set some default values (i.e off) if boolean options were not dnl specified: _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no ]) _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no ]) dnl dnl If no reference was made to various pairs of opposing options, then dnl we run the default mode handler for the pair. For example, if neither dnl 'shared' nor 'disable-shared' was passed, we enable building of shared dnl archives by default: _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], [_LT_ENABLE_FAST_INSTALL]) _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4], [_LT_WITH_AIX_SONAME([aix])]) ]) ])# _LT_SET_OPTIONS ## --------------------------------- ## ## Macros to handle LT_INIT options. ## ## --------------------------------- ## # _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) # ----------------------------------------- m4_define([_LT_MANGLE_DEFUN], [[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) # LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) # ----------------------------------------------- m4_define([LT_OPTION_DEFINE], [m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl ])# LT_OPTION_DEFINE # dlopen # ------ LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes ]) AU_DEFUN([AC_LIBTOOL_DLOPEN], [_LT_SET_OPTION([LT_INIT], [dlopen]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'dlopen' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) # win32-dll # --------- # Declare package support for building win32 dll's. LT_OPTION_DEFINE([LT_INIT], [win32-dll], [enable_win32_dll=yes case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) AC_CHECK_TOOL(AS, as, false) AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(OBJDUMP, objdump, false) ;; esac test -z "$AS" && AS=as _LT_DECL([], [AS], [1], [Assembler program])dnl test -z "$DLLTOOL" && DLLTOOL=dlltool _LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl test -z "$OBJDUMP" && OBJDUMP=objdump _LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl ])# win32-dll AU_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_REQUIRE([AC_CANONICAL_HOST])dnl _LT_SET_OPTION([LT_INIT], [win32-dll]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'win32-dll' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) # _LT_ENABLE_SHARED([DEFAULT]) # ---------------------------- # implement the --enable-shared flag, and supports the 'shared' and # 'disable-shared' LT_INIT options. # DEFAULT is either 'yes' or 'no'. 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If found, defines # `HAVE_LIBREADLINE'. If the found library has the `add_history' function, # sets also `HAVE_READLINE_HISTORY'. Also checks for the locations of the # necessary include files and sets `HAVE_READLINE_H' or # `HAVE_READLINE_READLINE_H' and `HAVE_READLINE_HISTORY_H' or # 'HAVE_HISTORY_H' if the corresponding include files exists. # # The libraries that may be readline compatible are `libedit', # `libeditline' and `libreadline'. Sometimes we need to link a termcap # library for readline to work, this macro tests these cases too by trying # to link with `libtermcap', `libcurses' or `libncurses' before giving up. # # Here is an example of how to use the information provided by this macro # to perform the necessary includes or declarations in a C file: # # #ifdef HAVE_LIBREADLINE # # if defined(HAVE_READLINE_READLINE_H) # # include # # elif defined(HAVE_READLINE_H) # # include # # else /* !defined(HAVE_READLINE_H) */ # extern char *readline (); # extern int rl_insert_text(const char*); # extern void rl_forced_update_display(void); # extern int rl_bind_key(int, int(*f)(int, int)); # # endif /* !defined(HAVE_READLINE_H) */ # char *cmdline = NULL; # #else /* !defined(HAVE_READLINE_READLINE_H) */ # /* no readline */ # #endif /* HAVE_LIBREADLINE */ # # #ifdef HAVE_READLINE_HISTORY # # if defined(HAVE_READLINE_HISTORY_H) # # include # # elif defined(HAVE_HISTORY_H) # # include # # else /* !defined(HAVE_HISTORY_H) */ # extern void add_history (); # extern int write_history (); # extern int read_history (); # # endif /* defined(HAVE_READLINE_HISTORY_H) */ # /* no history */ # #endif /* HAVE_READLINE_HISTORY */ # # LICENSE # # Copyright (c) 2008 Ville Laurikari # # Copying and distribution of this file, with or without modification, are # permitted in any medium without royalty provided the copyright notice # and this notice are preserved. This file is offered as-is, without any # warranty. # Modified version. 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You # need not follow the terms of the GNU General Public License when using # or distributing such scripts, even though portions of the text of the # Macro appear in them. The GNU General Public License (GPL) does govern # all other use of the material that constitutes the Autoconf Macro. # # This special exception to the GPL applies to versions of the Autoconf # Macro released by the Autoconf Archive. 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There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # GNU Libtool is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of of the License, or # (at your option) any later version. # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program or library that is built # using GNU Libtool, you may include this file under the same # distribution terms that you use for the rest of that program. # # GNU Libtool is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. 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For some # reason, if we set the COLLECT_NAMES environment variable, the problems # vanish in a puff of smoke. if test set != "${COLLECT_NAMES+set}"; then COLLECT_NAMES= export COLLECT_NAMES fi ;; esac # Global variables: ofile=libtool can_build_shared=yes # All known linkers require a '.a' archive for static linking (except MSVC and # ICC, which need '.lib'). libext=a with_gnu_ld=$lt_cv_prog_gnu_ld old_CC=$CC old_CFLAGS=$CFLAGS # Set sane defaults for various variables test -z "$CC" && CC=cc test -z "$LTCC" && LTCC=$CC test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS test -z "$LD" && LD=ld test -z "$ac_objext" && ac_objext=o _LT_CC_BASENAME([$compiler]) # Only perform the check for file, if the check method requires it test -z "$MAGIC_CMD" && MAGIC_CMD=file case $deplibs_check_method in file_magic*) if test "$file_magic_cmd" = '$MAGIC_CMD'; then _LT_PATH_MAGIC fi ;; esac # Use C for the default configuration in the libtool script LT_SUPPORTED_TAG([CC]) _LT_LANG_C_CONFIG _LT_LANG_DEFAULT_CONFIG _LT_CONFIG_COMMANDS ])# _LT_SETUP # _LT_PREPARE_SED_QUOTE_VARS # -------------------------- # Define a few sed substitution that help us do robust quoting. m4_defun([_LT_PREPARE_SED_QUOTE_VARS], [# Backslashify metacharacters that are still active within # double-quoted strings. sed_quote_subst='s/\([["`$\\]]\)/\\\1/g' # Same as above, but do not quote variable references. double_quote_subst='s/\([["`\\]]\)/\\\1/g' # Sed substitution to delay expansion of an escaped shell variable in a # double_quote_subst'ed string. delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' # Sed substitution to delay expansion of an escaped single quote. delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' # Sed substitution to avoid accidental globbing in evaled expressions no_glob_subst='s/\*/\\\*/g' ]) # _LT_PROG_LTMAIN # --------------- # Note that this code is called both from 'configure', and 'config.status' # now that we use AC_CONFIG_COMMANDS to generate libtool. Notably, # 'config.status' has no value for ac_aux_dir unless we are using Automake, # so we pass a copy along to make sure it has a sensible value anyway. m4_defun([_LT_PROG_LTMAIN], [m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl _LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir']) ltmain=$ac_aux_dir/ltmain.sh ])# _LT_PROG_LTMAIN ## ------------------------------------- ## ## Accumulate code for creating libtool. ## ## ------------------------------------- ## # So that we can recreate a full libtool script including additional # tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS # in macros and then make a single call at the end using the 'libtool' # label. # _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS]) # ---------------------------------------- # Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later. m4_define([_LT_CONFIG_LIBTOOL_INIT], [m4_ifval([$1], [m4_append([_LT_OUTPUT_LIBTOOL_INIT], [$1 ])])]) # Initialize. m4_define([_LT_OUTPUT_LIBTOOL_INIT]) # _LT_CONFIG_LIBTOOL([COMMANDS]) # ------------------------------ # Register COMMANDS to be passed to AC_CONFIG_COMMANDS later. m4_define([_LT_CONFIG_LIBTOOL], [m4_ifval([$1], [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS], [$1 ])])]) # Initialize. m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS]) # _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS]) # ----------------------------------------------------- m4_defun([_LT_CONFIG_SAVE_COMMANDS], [_LT_CONFIG_LIBTOOL([$1]) _LT_CONFIG_LIBTOOL_INIT([$2]) ]) # _LT_FORMAT_COMMENT([COMMENT]) # ----------------------------- # Add leading comment marks to the start of each line, and a trailing # full-stop to the whole comment if one is not present already. m4_define([_LT_FORMAT_COMMENT], [m4_ifval([$1], [ m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])], [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.]) )]) ## ------------------------ ## ## FIXME: Eliminate VARNAME ## ## ------------------------ ## # _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?]) # ------------------------------------------------------------------- # CONFIGNAME is the name given to the value in the libtool script. # VARNAME is the (base) name used in the configure script. # VALUE may be 0, 1 or 2 for a computed quote escaped value based on # VARNAME. Any other value will be used directly. m4_define([_LT_DECL], [lt_if_append_uniq([lt_decl_varnames], [$2], [, ], [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name], [m4_ifval([$1], [$1], [$2])]) lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3]) m4_ifval([$4], [lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])]) lt_dict_add_subkey([lt_decl_dict], [$2], [tagged?], [m4_ifval([$5], [yes], [no])])]) ]) # _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION]) # -------------------------------------------------------- m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])]) # lt_decl_tag_varnames([SEPARATOR], [VARNAME1...]) # ------------------------------------------------ m4_define([lt_decl_tag_varnames], [_lt_decl_filter([tagged?], [yes], $@)]) # _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..]) # --------------------------------------------------------- m4_define([_lt_decl_filter], [m4_case([$#], [0], [m4_fatal([$0: too few arguments: $#])], [1], [m4_fatal([$0: too few arguments: $#: $1])], [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)], [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)], [lt_dict_filter([lt_decl_dict], $@)])[]dnl ]) # lt_decl_quote_varnames([SEPARATOR], [VARNAME1...]) # -------------------------------------------------- m4_define([lt_decl_quote_varnames], [_lt_decl_filter([value], [1], $@)]) # lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...]) # --------------------------------------------------- m4_define([lt_decl_dquote_varnames], [_lt_decl_filter([value], [2], $@)]) # lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...]) # --------------------------------------------------- m4_define([lt_decl_varnames_tagged], [m4_assert([$# <= 2])dnl _$0(m4_quote(m4_default([$1], [[, ]])), m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]), m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))]) m4_define([_lt_decl_varnames_tagged], [m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])]) # lt_decl_all_varnames([SEPARATOR], [VARNAME1...]) # ------------------------------------------------ m4_define([lt_decl_all_varnames], [_$0(m4_quote(m4_default([$1], [[, ]])), m4_if([$2], [], m4_quote(lt_decl_varnames), m4_quote(m4_shift($@))))[]dnl ]) m4_define([_lt_decl_all_varnames], [lt_join($@, lt_decl_varnames_tagged([$1], lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl ]) # _LT_CONFIG_STATUS_DECLARE([VARNAME]) # ------------------------------------ # Quote a variable value, and forward it to 'config.status' so that its # declaration there will have the same value as in 'configure'. VARNAME # must have a single quote delimited value for this to work. m4_define([_LT_CONFIG_STATUS_DECLARE], [$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`']) # _LT_CONFIG_STATUS_DECLARATIONS # ------------------------------ # We delimit libtool config variables with single quotes, so when # we write them to config.status, we have to be sure to quote all # embedded single quotes properly. In configure, this macro expands # each variable declared with _LT_DECL (and _LT_TAGDECL) into: # # ='`$ECHO "$" | $SED "$delay_single_quote_subst"`' m4_defun([_LT_CONFIG_STATUS_DECLARATIONS], [m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames), [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])]) # _LT_LIBTOOL_TAGS # ---------------- # Output comment and list of tags supported by the script m4_defun([_LT_LIBTOOL_TAGS], [_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl available_tags='_LT_TAGS'dnl ]) # _LT_LIBTOOL_DECLARE(VARNAME, [TAG]) # ----------------------------------- # Extract the dictionary values for VARNAME (optionally with TAG) and # expand to a commented shell variable setting: # # # Some comment about what VAR is for. # visible_name=$lt_internal_name m4_define([_LT_LIBTOOL_DECLARE], [_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [description])))[]dnl m4_pushdef([_libtool_name], m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])), [0], [_libtool_name=[$]$1], [1], [_libtool_name=$lt_[]$1], [2], [_libtool_name=$lt_[]$1], [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl ]) # _LT_LIBTOOL_CONFIG_VARS # ----------------------- # Produce commented declarations of non-tagged libtool config variables # suitable for insertion in the LIBTOOL CONFIG section of the 'libtool' # script. Tagged libtool config variables (even for the LIBTOOL CONFIG # section) are produced by _LT_LIBTOOL_TAG_VARS. m4_defun([_LT_LIBTOOL_CONFIG_VARS], [m4_foreach([_lt_var], m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)), [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])]) # _LT_LIBTOOL_TAG_VARS(TAG) # ------------------------- m4_define([_LT_LIBTOOL_TAG_VARS], [m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames), [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])]) # _LT_TAGVAR(VARNAME, [TAGNAME]) # ------------------------------ m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])]) # _LT_CONFIG_COMMANDS # ------------------- # Send accumulated output to $CONFIG_STATUS. Thanks to the lists of # variables for single and double quote escaping we saved from calls # to _LT_DECL, we can put quote escaped variables declarations # into 'config.status', and then the shell code to quote escape them in # for loops in 'config.status'. Finally, any additional code accumulated # from calls to _LT_CONFIG_LIBTOOL_INIT is expanded. m4_defun([_LT_CONFIG_COMMANDS], [AC_PROVIDE_IFELSE([LT_OUTPUT], dnl If the libtool generation code has been placed in $CONFIG_LT, dnl instead of duplicating it all over again into config.status, dnl then we will have config.status run $CONFIG_LT later, so it dnl needs to know what name is stored there: [AC_CONFIG_COMMANDS([libtool], [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])], dnl If the libtool generation code is destined for config.status, dnl expand the accumulated commands and init code now: [AC_CONFIG_COMMANDS([libtool], [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])]) ])#_LT_CONFIG_COMMANDS # Initialize. m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT], [ # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. 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AC_DEFUN([LT_OUTPUT], [: ${CONFIG_LT=./config.lt} AC_MSG_NOTICE([creating $CONFIG_LT]) _LT_GENERATED_FILE_INIT(["$CONFIG_LT"], [# Run this file to recreate a libtool stub with the current configuration.]) cat >>"$CONFIG_LT" <<\_LTEOF lt_cl_silent=false exec AS_MESSAGE_LOG_FD>>config.log { echo AS_BOX([Running $as_me.]) } >&AS_MESSAGE_LOG_FD lt_cl_help="\ '$as_me' creates a local libtool stub from the current configuration, for use in further configure time tests before the real libtool is generated. Usage: $[0] [[OPTIONS]] -h, --help print this help, then exit -V, --version print version number, then exit -q, --quiet do not print progress messages -d, --debug don't remove temporary files Report bugs to ." lt_cl_version="\ m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION]) configured by $[0], generated by m4_PACKAGE_STRING. Copyright (C) 2011 Free Software Foundation, Inc. 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Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD=${LD-ld}_sol2 fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks=$enable_libtool_lock ])# _LT_ENABLE_LOCK # _LT_PROG_AR # ----------- m4_defun([_LT_PROG_AR], [AC_CHECK_TOOLS(AR, [ar], false) : ${AR=ar} _LT_DECL([], [AR], [1], [The archiver]) # Use ARFLAGS variable as AR's operation code to sync the variable naming with # Automake. If both AR_FLAGS and ARFLAGS are specified, AR_FLAGS should have # higher priority because thats what people were doing historically (setting # ARFLAGS for automake and AR_FLAGS for libtool). FIXME: Make the AR_FLAGS # variable obsoleted/removed. test ${AR_FLAGS+y} || AR_FLAGS=${ARFLAGS-cr} lt_ar_flags=$AR_FLAGS _LT_DECL([], [lt_ar_flags], [0], [Flags to create an archive (by configure)]) # Make AR_FLAGS overridable by 'make ARFLAGS='. Don't try to run-time override # by AR_FLAGS because that was never working and AR_FLAGS is about to die. _LT_DECL([], [AR_FLAGS], [\@S|@{ARFLAGS-"\@S|@lt_ar_flags"}], [Flags to create an archive]) AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file], [lt_cv_ar_at_file=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM], [echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD' AC_TRY_EVAL([lt_ar_try]) if test 0 -eq "$ac_status"; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a AC_TRY_EVAL([lt_ar_try]) if test 0 -ne "$ac_status"; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a ]) ]) if test no = "$lt_cv_ar_at_file"; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi _LT_DECL([], [archiver_list_spec], [1], [How to feed a file listing to the archiver]) ])# _LT_PROG_AR # _LT_CMD_OLD_ARCHIVE # ------------------- m4_defun([_LT_CMD_OLD_ARCHIVE], [_LT_PROG_AR AC_CHECK_TOOL(STRIP, strip, :) test -z "$STRIP" && STRIP=: _LT_DECL([], [STRIP], [1], [A symbol stripping program]) AC_CHECK_TOOL(RANLIB, ranlib, :) test -z "$RANLIB" && RANLIB=: _LT_DECL([], [RANLIB], [1], [Commands used to install an old-style archive]) # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in bitrig* | openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac _LT_DECL([], [old_postinstall_cmds], [2]) _LT_DECL([], [old_postuninstall_cmds], [2]) _LT_TAGDECL([], [old_archive_cmds], [2], [Commands used to build an old-style archive]) _LT_DECL([], [lock_old_archive_extraction], [0], [Whether to use a lock for old archive extraction]) ])# _LT_CMD_OLD_ARCHIVE # _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, # [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE]) # ---------------------------------------------------------------- # Check whether the given compiler option works AC_DEFUN([_LT_COMPILER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_SED])dnl AC_CACHE_CHECK([$1], [$2], [$2=no m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4]) echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="$3" ## exclude from sc_useless_quotes_in_assignment # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. # The option is referenced via a variable to avoid confusing sed. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&AS_MESSAGE_LOG_FD echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then $2=yes fi fi $RM conftest* ]) if test yes = "[$]$2"; then m4_if([$5], , :, [$5]) else m4_if([$6], , :, [$6]) fi ])# _LT_COMPILER_OPTION # Old name: AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], []) # _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, # [ACTION-SUCCESS], [ACTION-FAILURE]) # ---------------------------------------------------- # Check whether the given linker option works AC_DEFUN([_LT_LINKER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_SED])dnl AC_CACHE_CHECK([$1], [$2], [$2=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS $3" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&AS_MESSAGE_LOG_FD $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then $2=yes fi else $2=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS ]) if test yes = "[$]$2"; then m4_if([$4], , :, [$4]) else m4_if([$5], , :, [$5]) fi ])# _LT_LINKER_OPTION # Old name: AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], []) # LT_CMD_MAX_LEN #--------------- AC_DEFUN([LT_CMD_MAX_LEN], [AC_REQUIRE([AC_CANONICAL_HOST])dnl # find the maximum length of command line arguments AC_MSG_CHECKING([the maximum length of command line arguments]) AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl i=0 teststring=ABCD case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; bitrig* | darwin* | dragonfly* | freebsd* | midnightbsd* | netbsd* | openbsd*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[[ ]]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len" && \ test undefined != "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test X`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test 17 != "$i" # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac ]) if test -n "$lt_cv_sys_max_cmd_len"; then AC_MSG_RESULT($lt_cv_sys_max_cmd_len) else AC_MSG_RESULT(none) fi max_cmd_len=$lt_cv_sys_max_cmd_len _LT_DECL([], [max_cmd_len], [0], [What is the maximum length of a command?]) ])# LT_CMD_MAX_LEN # Old name: AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) # _LT_HEADER_DLFCN # ---------------- m4_defun([_LT_HEADER_DLFCN], [AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl ])# _LT_HEADER_DLFCN # _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, # ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) # ---------------------------------------------------------------- m4_defun([_LT_TRY_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes = "$cross_compiling"; then : [$4] else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF [#line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; }] _LT_EOF if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_dlunknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_TRY_DLOPEN_SELF # LT_SYS_DLOPEN_SELF # ------------------ AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes != "$enable_dlopen"; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen=load_add_on lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen=LoadLibrary lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen=dlopen lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[ lt_cv_dlopen=dyld lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ]) ;; tpf*) # Don't try to run any link tests for TPF. We know it's impossible # because TPF is a cross-compiler, and we know how we open DSOs. lt_cv_dlopen=dlopen lt_cv_dlopen_libs= lt_cv_dlopen_self=no ;; *) AC_CHECK_FUNC([shl_load], [lt_cv_dlopen=shl_load], [AC_CHECK_LIB([dld], [shl_load], [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld], [AC_CHECK_FUNC([dlopen], [lt_cv_dlopen=dlopen], [AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl], [AC_CHECK_LIB([svld], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld], [AC_CHECK_LIB([dld], [dld_link], [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld]) ]) ]) ]) ]) ]) ;; esac if test no = "$lt_cv_dlopen"; then enable_dlopen=no else enable_dlopen=yes fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS=$CPPFLAGS test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS=$LDFLAGS wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS=$LIBS LIBS="$lt_cv_dlopen_libs $LIBS" AC_CACHE_CHECK([whether a program can dlopen itself], lt_cv_dlopen_self, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) ]) if test yes = "$lt_cv_dlopen_self"; 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esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[[3-9]]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test yes = "$lt_cv_prog_gnu_ld"; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; linux*android*) version_type=none # Android doesn't support versioned libraries. need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext' soname_spec='$libname$release$shared_ext' finish_cmds= shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes dynamic_linker='Android linker' # Don't embed -rpath directories since the linker doesn't support them. _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' ;; 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then case $cc_basename in nvcc*) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; *) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; esac _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], lt_cv_prog_compiler_rtti_exceptions, [-fno-rtti -fno-exceptions], [], [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) fi _LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], [Compiler flag to turn off builtin functions]) ])# _LT_COMPILER_NO_RTTI # _LT_CMD_GLOBAL_SYMBOLS # ---------------------- m4_defun([_LT_CMD_GLOBAL_SYMBOLS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_AWK])dnl AC_REQUIRE([LT_PATH_NM])dnl AC_REQUIRE([LT_PATH_LD])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_TAG_COMPILER])dnl # Check for command to grab the raw symbol name followed by C symbol from nm. AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test ia64 = "$host_cpu"; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Gets list of data symbols to import. lt_cv_sys_global_symbol_to_import="$SED -n -e 's/^I .* \(.*\)$/\1/p'" # Adjust the below global symbol transforms to fixup imported variables. lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" lt_c_name_lib_hook="\ -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" else # Disable hooks by default. lt_cv_sys_global_symbol_to_import= lt_cdecl_hook= lt_c_name_hook= lt_c_name_lib_hook= fi # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="$SED -n"\ $lt_cdecl_hook\ " -e 's/^T .* \(.*\)$/extern int \1();/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="$SED -n"\ $lt_c_name_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" # Transform an extracted symbol line into symbol name with lib prefix and # symbol address. lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="$SED -n"\ $lt_c_name_lib_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function, # D for any global variable and I for any imported variable. # Also find C++ and __fastcall symbols from MSVC++ or ICC, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ " /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ " /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ " {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ " s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="$SED -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | $SED '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm $ECHO "$as_me:$LINENO: $NM conftest.$ac_objext | $lt_cv_sys_global_symbol_pipe > $nlist" >&AS_MESSAGE_LOG_FD if eval "$NM" conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist 2>&AS_MESSAGE_LOG_FD && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS=conftstm.$ac_objext CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test yes = "$pipe_works"; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1], [Transform the output of nm into a list of symbols to manually relocate]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([nm_interface], [lt_cv_nm_interface], [1], [The name lister interface]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test yes = "$GXX"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly* | midnightbsd*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' if test ia64 != "$host_cpu"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64, which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd* | netbsdelf*-gnu) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test yes = "$GCC"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' case $cc_basename in nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64, which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # flang / f18. f95 an alias for gfortran or flang on Debian flang* | f18* | f95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; tcc*) # Fabrice Bellard et al's Tiny C Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; 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*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; esac ;; sunos4*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms that do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; esac AC_CACHE_CHECK([for $compiler option to produce PIC], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) _LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) # # Check to make sure the PIC flag actually works. # if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in "" | " "*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; esac], [_LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no]) fi _LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1], [Additional compiler flags for building library objects]) _LT_TAGDECL([wl], [lt_prog_compiler_wl], [1], [How to pass a linker flag through the compiler]) # # Check to make sure the static flag actually works. # wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\" _LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1), $lt_tmp_static_flag, [], [_LT_TAGVAR(lt_prog_compiler_static, $1)=]) _LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1], [Compiler flag to prevent dynamic linking]) ])# _LT_COMPILER_PIC # _LT_LINKER_SHLIBS([TAGNAME]) # ---------------------------- # See if the linker supports building shared libraries. m4_defun([_LT_LINKER_SHLIBS], [AC_REQUIRE([LT_PATH_LD])dnl AC_REQUIRE([LT_PATH_NM])dnl m4_require([_LT_PATH_MANIFEST_TOOL])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl m4_require([_LT_TAG_COMPILER])dnl AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) m4_if([$1], [CXX], [ _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] case $host_os in aix[[4-9]]*) # If we're using GNU nm, then we don't want the "-C" option. # -C means demangle to GNU nm, but means don't demangle to AIX nm. # Without the "-l" option, or with the "-B" option, AIX nm treats # weak defined symbols like other global defined symbols, whereas # GNU nm marks them as "W". # While the 'weak' keyword is ignored in the Export File, we need # it in the Import File for the 'aix-soname' feature, so we have # to replace the "-B" option with "-P" for AIX nm. if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; 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then _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_direct_absolute, $1)=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' else _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' fi else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; os2*) _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(allow_undefined_flag, $1)=unsupported shrext_cmds=.dll _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ prefix_cmds="$SED"~ if test EXPORTS = "`$SED 1q $export_symbols`"; then prefix_cmds="$prefix_cmds -e 1d"; fi~ prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes _LT_TAGVAR(file_list_spec, $1)='@' ;; osf3*) if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; solaris*) _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' if test yes = "$GCC"; then wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no case $host_os in solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands '-z linker_flag'. GCC discards it without '$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test yes = "$GCC"; then _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' else _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' fi ;; esac _LT_TAGVAR(link_all_deplibs, $1)=yes ;; sunos4*) if test sequent = "$host_vendor"; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4) case $host_vendor in sni) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' _LT_TAGVAR(hardcode_direct, $1)=no ;; motorola) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4.3*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes _LT_TAGVAR(ld_shlibs, $1)=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We CANNOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. If we're not using GNU ld we use -z text # though, which does catch some bad symbols but isn't as heavy-handed # as -z defs. _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs' _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=':' _LT_TAGVAR(link_all_deplibs, $1)=yes _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport' runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; uts4*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; *) _LT_TAGVAR(ld_shlibs, $1)=no ;; esac if test sni = "$host_vendor"; then case $host in sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Blargedynsym' ;; esac fi fi ]) AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no _LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld _LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl _LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl _LT_DECL([], [extract_expsyms_cmds], [2], [The commands to extract the exported symbol list from a shared archive]) # # Do we need to explicitly link libc? # case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in x|xyes) # Assume -lc should be added _LT_TAGVAR(archive_cmds_need_lc, $1)=yes if test yes,yes = "$GCC,$enable_shared"; then case $_LT_TAGVAR(archive_cmds, $1) in *'~'*) # FIXME: we may have to deal with multi-command sequences. ;; '$CC '*) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. 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These are needed # for certain cross-compile configurations and native mingw. m4_defun([_LT_PATH_CONVERSION_FUNCTIONS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_BUILD])dnl AC_MSG_CHECKING([how to convert $build file names to $host format]) AC_CACHE_VAL(lt_cv_to_host_file_cmd, [case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac ]) to_host_file_cmd=$lt_cv_to_host_file_cmd AC_MSG_RESULT([$lt_cv_to_host_file_cmd]) _LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd], [0], [convert $build file names to $host format])dnl AC_MSG_CHECKING([how to convert $build file names to toolchain format]) AC_CACHE_VAL(lt_cv_to_tool_file_cmd, [#assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac ]) to_tool_file_cmd=$lt_cv_to_tool_file_cmd AC_MSG_RESULT([$lt_cv_to_tool_file_cmd]) _LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd], [0], [convert $build files to toolchain format])dnl ])# _LT_PATH_CONVERSION_FUNCTIONS lldpd-1.0.18/m4/systemtap.m40000644000076400001440000000100714111362570014747 0ustar00bernatusers# # lldp_SYSTEMTAP # # Check for DTrace/Systemtap support AC_DEFUN([lldp_SYSTEMTAP], [ # Enable systemtap support lldp_ARG_ENABLE([dtrace], [systemtap/DTrace trace support], [no]) AM_CONDITIONAL([ENABLE_SYSTEMTAP], [test x"$enable_dtrace" = x"yes"]) if test x"$enable_dtrace" = x"yes"; then AC_CHECK_PROGS(DTRACE, dtrace) if test -z "$DTRACE"; then AC_MSG_ERROR([*** dtrace command not found]) fi AC_CHECK_HEADER([sys/sdt.h],,[AC_MSG_ERROR([*** no sys/sdt.h header found])]) fi ]) lldpd-1.0.18/m4/libevent.m40000644000076400001440000000525414532716672014553 0ustar00bernatusers# # lldp_CHECK_LIBEVENT # AC_DEFUN([lldp_CHECK_LIBEVENT], [ # Do we require embedded libevent? AC_ARG_WITH([embedded-libevent], AS_HELP_STRING( [--with-embedded-libevent], [Use embedded libevent @<:@default=auto@:>@] ), [], [with_embedded_libevent=auto]) if test x"$with_embedded_libevent" = x"yes"; then LIBEVENT_EMBEDDED=1 else # If not forced, check first with pkg-config PKG_CHECK_MODULES([libevent], [libevent >= 2.0.5], [ # Check if we have a working libevent AC_MSG_CHECKING([if system libevent works as expected]) _save_CFLAGS="$CFLAGS" _save_LIBS="$LIBS" CFLAGS="$CFLAGS $libevent_CFLAGS" LIBS="$LIBS $libevent_LIBS" AC_LINK_IFELSE([AC_LANG_PROGRAM([[ @%:@include @%:@include @%:@include ]], [[ struct event_base *base = event_base_new(); event_new(base, -1, 0, NULL, NULL); ]])],[ AC_MSG_RESULT([yes]) ],[ if test x"$with_embedded_libevent" = x"auto"; then AC_MSG_RESULT([no, using shipped libevent]) LIBEVENT_EMBEDDED=1 else AC_MSG_ERROR([*** unusable system libevent]) fi ]) CFLAGS="$_save_CFLAGS" LIBS="$_save_LIBS" ], [ # No appropriate version, let's use the shipped copy if possible if test x"$with_embedded_libevent" = x"auto"; then AC_MSG_NOTICE([using shipped libevent]) LIBEVENT_EMBEDDED=1 else AC_MSG_ERROR([*** libevent not found]) fi ]) fi if test x"$LIBEVENT_EMBEDDED" != x; then unset libevent_LIBS libevent_CFLAGS="-I\$(top_srcdir)/libevent/include -I\$(top_builddir)/libevent/include" libevent_LDFLAGS="\$(top_builddir)/libevent/libevent.la" fi # Call ./configure in libevent. Need it for make dist... libevent_configure_args="$libevent_configure_args --disable-libevent-regress" libevent_configure_args="$libevent_configure_args --disable-thread-support" libevent_configure_args="$libevent_configure_args --disable-openssl" libevent_configure_args="$libevent_configure_args --disable-malloc-replacement" libevent_configure_args="$libevent_configure_args --disable-debug-mode" libevent_configure_args="$libevent_configure_args --enable-function-sections" libevent_configure_args="$libevent_configure_args --disable-shared" libevent_configure_args="$libevent_configure_args --with-pic" libevent_configure_args="$libevent_configure_args --enable-static" lldp_CONFIG_SUBDIRS([libevent], [$libevent_configure_args]) AM_CONDITIONAL([LIBEVENT_EMBEDDED], [test x"$LIBEVENT_EMBEDDED" != x]) AC_SUBST([libevent_LIBS]) AC_SUBST([libevent_CFLAGS]) AC_SUBST([libevent_LDFLAGS]) ]) lldpd-1.0.18/m4/ax_prog_doxygen.m40000644000076400001440000004272514111362570016126 0ustar00bernatusers# =========================================================================== # http://www.gnu.org/software/autoconf-archive/ax_prog_doxygen.html # =========================================================================== # # SYNOPSIS # # DX_INIT_DOXYGEN(PROJECT-NAME, DOXYFILE-PATH, [OUTPUT-DIR]) # DX_DOXYGEN_FEATURE(ON|OFF) # DX_DOT_FEATURE(ON|OFF) # DX_HTML_FEATURE(ON|OFF) # DX_CHM_FEATURE(ON|OFF) # DX_CHI_FEATURE(ON|OFF) # DX_MAN_FEATURE(ON|OFF) # DX_RTF_FEATURE(ON|OFF) # DX_XML_FEATURE(ON|OFF) # DX_PDF_FEATURE(ON|OFF) # DX_PS_FEATURE(ON|OFF) # # DESCRIPTION # # The DX_*_FEATURE macros control the default setting for the given # Doxygen feature. Supported features are 'DOXYGEN' itself, 'DOT' for # generating graphics, 'HTML' for plain HTML, 'CHM' for compressed HTML # help (for MS users), 'CHI' for generating a seperate .chi file by the # .chm file, and 'MAN', 'RTF', 'XML', 'PDF' and 'PS' for the appropriate # output formats. The environment variable DOXYGEN_PAPER_SIZE may be # specified to override the default 'a4wide' paper size. # # By default, HTML, PDF and PS documentation is generated as this seems to # be the most popular and portable combination. MAN pages created by # Doxygen are usually problematic, though by picking an appropriate subset # and doing some massaging they might be better than nothing. CHM and RTF # are specific for MS (note that you can't generate both HTML and CHM at # the same time). The XML is rather useless unless you apply specialized # post-processing to it. # # The macros mainly control the default state of the feature. The use can # override the default by specifying --enable or --disable. The macros # ensure that contradictory flags are not given (e.g., # --enable-doxygen-html and --enable-doxygen-chm, # --enable-doxygen-anything with --disable-doxygen, etc.) Finally, each # feature will be automatically disabled (with a warning) if the required # programs are missing. # # Once all the feature defaults have been specified, call DX_INIT_DOXYGEN # with the following parameters: a one-word name for the project for use # as a filename base etc., an optional configuration file name (the # default is 'Doxyfile', the same as Doxygen's default), and an optional # output directory name (the default is 'doxygen-doc'). # # Automake Support # # The following is a template aminclude.am file for use with Automake. # Make targets and variables values are controlled by the various # DX_COND_* conditionals set by autoconf. # # The provided targets are: # # doxygen-doc: Generate all doxygen documentation. # # doxygen-run: Run doxygen, which will generate some of the # documentation (HTML, CHM, CHI, MAN, RTF, XML) # but will not do the post processing required # for the rest of it (PS, PDF, and some MAN). # # doxygen-man: Rename some doxygen generated man pages. # # doxygen-ps: Generate doxygen PostScript documentation. # # doxygen-pdf: Generate doxygen PDF documentation. # # Note that by default these are not integrated into the automake targets. # If doxygen is used to generate man pages, you can achieve this # integration by setting man3_MANS to the list of man pages generated and # then adding the dependency: # # $(man3_MANS): doxygen-doc # # This will cause make to run doxygen and generate all the documentation. # # The following variable is intended for use in Makefile.am: # # DX_CLEANFILES = everything to clean. # # Then add this variable to MOSTLYCLEANFILES. # # ----- begin aminclude.am ------------------------------------- # # ## --------------------------------- ## # ## Format-independent Doxygen rules. ## # ## --------------------------------- ## # # if DX_COND_doc # # ## ------------------------------- ## # ## Rules specific for HTML output. ## # ## ------------------------------- ## # # if DX_COND_html # # DX_CLEAN_HTML = @DX_DOCDIR@/html # # endif DX_COND_html # # ## ------------------------------ ## # ## Rules specific for CHM output. ## # ## ------------------------------ ## # # if DX_COND_chm # # DX_CLEAN_CHM = @DX_DOCDIR@/chm # # if DX_COND_chi # # DX_CLEAN_CHI = @DX_DOCDIR@/@PACKAGE@.chi # # endif DX_COND_chi # # endif DX_COND_chm # # ## ------------------------------ ## # ## Rules specific for MAN output. ## # ## ------------------------------ ## # # if DX_COND_man # # DX_CLEAN_MAN = @DX_DOCDIR@/man # # endif DX_COND_man # # ## ------------------------------ ## # ## Rules specific for RTF output. ## # ## ------------------------------ ## # # if DX_COND_rtf # # DX_CLEAN_RTF = @DX_DOCDIR@/rtf # # endif DX_COND_rtf # # ## ------------------------------ ## # ## Rules specific for XML output. ## # ## ------------------------------ ## # # if DX_COND_xml # # DX_CLEAN_XML = @DX_DOCDIR@/xml # # endif DX_COND_xml # # ## ----------------------------- ## # ## Rules specific for PS output. ## # ## ----------------------------- ## # # if DX_COND_ps # # DX_CLEAN_PS = @DX_DOCDIR@/@PACKAGE@.ps # # DX_PS_GOAL = doxygen-ps # # doxygen-ps: @DX_DOCDIR@/@PACKAGE@.ps # # @DX_DOCDIR@/@PACKAGE@.ps: @DX_DOCDIR@/@PACKAGE@.tag # cd @DX_DOCDIR@/latex; \ # rm -f *.aux *.toc *.idx *.ind *.ilg *.log *.out; \ # $(DX_LATEX) refman.tex; \ # $(MAKEINDEX_PATH) refman.idx; \ # $(DX_LATEX) refman.tex; \ # countdown=5; \ # while $(DX_EGREP) 'Rerun (LaTeX|to get cross-references right)' \ # refman.log > /dev/null 2>&1 \ # && test $$countdown -gt 0; do \ # $(DX_LATEX) refman.tex; \ # countdown=`expr $$countdown - 1`; \ # done; \ # $(DX_DVIPS) -o ../@PACKAGE@.ps refman.dvi # # endif DX_COND_ps # # ## ------------------------------ ## # ## Rules specific for PDF output. ## # ## ------------------------------ ## # # if DX_COND_pdf # # DX_CLEAN_PDF = @DX_DOCDIR@/@PACKAGE@.pdf # # DX_PDF_GOAL = doxygen-pdf # # doxygen-pdf: @DX_DOCDIR@/@PACKAGE@.pdf # # @DX_DOCDIR@/@PACKAGE@.pdf: @DX_DOCDIR@/@PACKAGE@.tag # cd @DX_DOCDIR@/latex; \ # rm -f *.aux *.toc *.idx *.ind *.ilg *.log *.out; \ # $(DX_PDFLATEX) refman.tex; \ # $(DX_MAKEINDEX) refman.idx; \ # $(DX_PDFLATEX) refman.tex; \ # countdown=5; \ # while $(DX_EGREP) 'Rerun (LaTeX|to get cross-references right)' \ # refman.log > /dev/null 2>&1 \ # && test $$countdown -gt 0; do \ # $(DX_PDFLATEX) refman.tex; \ # countdown=`expr $$countdown - 1`; \ # done; \ # mv refman.pdf ../@PACKAGE@.pdf # # endif DX_COND_pdf # # ## ------------------------------------------------- ## # ## Rules specific for LaTeX (shared for PS and PDF). ## # ## ------------------------------------------------- ## # # if DX_COND_latex # # DX_CLEAN_LATEX = @DX_DOCDIR@/latex # # endif DX_COND_latex # # .PHONY: doxygen-run doxygen-doc $(DX_PS_GOAL) $(DX_PDF_GOAL) # # .INTERMEDIATE: doxygen-run $(DX_PS_GOAL) $(DX_PDF_GOAL) # # doxygen-run: @DX_DOCDIR@/@PACKAGE@.tag # # doxygen-doc: doxygen-run $(DX_PS_GOAL) $(DX_PDF_GOAL) # # @DX_DOCDIR@/@PACKAGE@.tag: $(DX_CONFIG) $(pkginclude_HEADERS) # rm -rf @DX_DOCDIR@ # $(DX_ENV) $(DX_DOXYGEN) $(srcdir)/$(DX_CONFIG) # # DX_CLEANFILES = \ # @DX_DOCDIR@/@PACKAGE@.tag \ # -r \ # $(DX_CLEAN_HTML) \ # $(DX_CLEAN_CHM) \ # $(DX_CLEAN_CHI) \ # $(DX_CLEAN_MAN) \ # $(DX_CLEAN_RTF) \ # $(DX_CLEAN_XML) \ # $(DX_CLEAN_PS) \ # $(DX_CLEAN_PDF) \ # $(DX_CLEAN_LATEX) # # endif DX_COND_doc # # ----- end aminclude.am --------------------------------------- # # LICENSE # # Copyright (c) 2009 Oren Ben-Kiki # # Copying and distribution of this file, with or without modification, are # permitted in any medium without royalty provided the copyright notice # and this notice are preserved. This file is offered as-is, without any # warranty. #serial 12 ## ----------## ## Defaults. ## ## ----------## DX_ENV="" AC_DEFUN([DX_FEATURE_doc], ON) AC_DEFUN([DX_FEATURE_dot], OFF) AC_DEFUN([DX_FEATURE_man], OFF) AC_DEFUN([DX_FEATURE_html], ON) AC_DEFUN([DX_FEATURE_chm], OFF) AC_DEFUN([DX_FEATURE_chi], OFF) AC_DEFUN([DX_FEATURE_rtf], OFF) AC_DEFUN([DX_FEATURE_xml], OFF) AC_DEFUN([DX_FEATURE_pdf], ON) AC_DEFUN([DX_FEATURE_ps], ON) ## --------------- ## ## Private macros. ## ## --------------- ## # DX_ENV_APPEND(VARIABLE, VALUE) # ------------------------------ # Append VARIABLE="VALUE" to DX_ENV for invoking doxygen. AC_DEFUN([DX_ENV_APPEND], [AC_SUBST([DX_ENV], ["$DX_ENV $1='$2'"])]) # DX_DIRNAME_EXPR # --------------- # Expand into a shell expression prints the directory part of a path. AC_DEFUN([DX_DIRNAME_EXPR], [[expr ".$1" : '\(\.\)[^/]*$' \| "x$1" : 'x\(.*\)/[^/]*$']]) # DX_IF_FEATURE(FEATURE, IF-ON, IF-OFF) # ------------------------------------- # Expands according to the M4 (static) status of the feature. AC_DEFUN([DX_IF_FEATURE], [ifelse(DX_FEATURE_$1, ON, [$2], [$3])]) # DX_REQUIRE_PROG(VARIABLE, PROGRAM) # ---------------------------------- # Require the specified program to be found for the DX_CURRENT_FEATURE to work. AC_DEFUN([DX_REQUIRE_PROG], [ AC_PATH_TOOL([$1], [$2]) if test "$DX_FLAG_[]DX_CURRENT_FEATURE$$1" = 1; then AC_MSG_WARN([$2 not found - will not DX_CURRENT_DESCRIPTION]) AC_SUBST(DX_FLAG_[]DX_CURRENT_FEATURE, 0) fi ]) # DX_TEST_FEATURE(FEATURE) # ------------------------ # Expand to a shell expression testing whether the feature is active. AC_DEFUN([DX_TEST_FEATURE], [test "$DX_FLAG_$1" = 1]) # DX_CHECK_DEPEND(REQUIRED_FEATURE, REQUIRED_STATE) # ------------------------------------------------- # Verify that a required features has the right state before trying to turn on # the DX_CURRENT_FEATURE. AC_DEFUN([DX_CHECK_DEPEND], [ test "$DX_FLAG_$1" = "$2" \ || AC_MSG_ERROR([doxygen-DX_CURRENT_FEATURE ifelse([$2], 1, requires, contradicts) doxygen-DX_CURRENT_FEATURE]) ]) # DX_CLEAR_DEPEND(FEATURE, REQUIRED_FEATURE, REQUIRED_STATE) # ---------------------------------------------------------- # Turn off the DX_CURRENT_FEATURE if the required feature is off. AC_DEFUN([DX_CLEAR_DEPEND], [ test "$DX_FLAG_$1" = "$2" || AC_SUBST(DX_FLAG_[]DX_CURRENT_FEATURE, 0) ]) # DX_FEATURE_ARG(FEATURE, DESCRIPTION, # CHECK_DEPEND, CLEAR_DEPEND, # REQUIRE, DO-IF-ON, DO-IF-OFF) # -------------------------------------------- # Parse the command-line option controlling a feature. CHECK_DEPEND is called # if the user explicitly turns the feature on (and invokes DX_CHECK_DEPEND), # otherwise CLEAR_DEPEND is called to turn off the default state if a required # feature is disabled (using DX_CLEAR_DEPEND). REQUIRE performs additional # requirement tests (DX_REQUIRE_PROG). Finally, an automake flag is set and # DO-IF-ON or DO-IF-OFF are called according to the final state of the feature. AC_DEFUN([DX_ARG_ABLE], [ AC_DEFUN([DX_CURRENT_FEATURE], [$1]) AC_DEFUN([DX_CURRENT_DESCRIPTION], [$2]) AC_ARG_ENABLE(doxygen-$1, [AS_HELP_STRING(DX_IF_FEATURE([$1], [--disable-doxygen-$1], [--enable-doxygen-$1]), DX_IF_FEATURE([$1], [don't $2], [$2]))], [ case "$enableval" in #( y|Y|yes|Yes|YES) AC_SUBST([DX_FLAG_$1], 1) $3 ;; #( n|N|no|No|NO) AC_SUBST([DX_FLAG_$1], 0) ;; #( *) AC_MSG_ERROR([invalid value '$enableval' given to doxygen-$1]) ;; esac ], [ AC_SUBST([DX_FLAG_$1], [DX_IF_FEATURE([$1], 1, 0)]) $4 ]) if DX_TEST_FEATURE([$1]); then $5 : fi AM_CONDITIONAL(DX_COND_$1, DX_TEST_FEATURE([$1])) if DX_TEST_FEATURE([$1]); then $6 : else $7 : fi ]) ## -------------- ## ## Public macros. ## ## -------------- ## # DX_XXX_FEATURE(DEFAULT_STATE) # ----------------------------- AC_DEFUN([DX_DOXYGEN_FEATURE], [AC_DEFUN([DX_FEATURE_doc], [$1])]) AC_DEFUN([DX_DOT_FEATURE], [AC_DEFUN([DX_FEATURE_dot], [$1])]) AC_DEFUN([DX_MAN_FEATURE], [AC_DEFUN([DX_FEATURE_man], [$1])]) AC_DEFUN([DX_HTML_FEATURE], [AC_DEFUN([DX_FEATURE_html], [$1])]) AC_DEFUN([DX_CHM_FEATURE], [AC_DEFUN([DX_FEATURE_chm], [$1])]) AC_DEFUN([DX_CHI_FEATURE], [AC_DEFUN([DX_FEATURE_chi], [$1])]) AC_DEFUN([DX_RTF_FEATURE], [AC_DEFUN([DX_FEATURE_rtf], [$1])]) AC_DEFUN([DX_XML_FEATURE], [AC_DEFUN([DX_FEATURE_xml], [$1])]) AC_DEFUN([DX_XML_FEATURE], [AC_DEFUN([DX_FEATURE_xml], [$1])]) AC_DEFUN([DX_PDF_FEATURE], [AC_DEFUN([DX_FEATURE_pdf], [$1])]) AC_DEFUN([DX_PS_FEATURE], [AC_DEFUN([DX_FEATURE_ps], [$1])]) # DX_INIT_DOXYGEN(PROJECT, [CONFIG-FILE], [OUTPUT-DOC-DIR]) # --------------------------------------------------------- # PROJECT also serves as the base name for the documentation files. # The default CONFIG-FILE is "Doxyfile" and OUTPUT-DOC-DIR is "doxygen-doc". AC_DEFUN([DX_INIT_DOXYGEN], [ # Files: AC_SUBST([DX_PROJECT], [$1]) AC_SUBST([DX_CONFIG], [ifelse([$2], [], Doxyfile, [$2])]) AC_SUBST([DX_DOCDIR], [ifelse([$3], [], doxygen-doc, [$3])]) # Environment variables used inside doxygen.cfg: DX_ENV_APPEND(SRCDIR, $srcdir) DX_ENV_APPEND(PROJECT, $DX_PROJECT) DX_ENV_APPEND(DOCDIR, $DX_DOCDIR) DX_ENV_APPEND(VERSION, $PACKAGE_VERSION) # Doxygen itself: DX_ARG_ABLE(doc, [generate any doxygen documentation], [], [], [DX_REQUIRE_PROG([DX_DOXYGEN], doxygen) DX_REQUIRE_PROG([DX_PERL], perl)], [DX_ENV_APPEND(PERL_PATH, $DX_PERL)]) # Dot for graphics: DX_ARG_ABLE(dot, [generate graphics for doxygen documentation], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [DX_REQUIRE_PROG([DX_DOT], dot)], [DX_ENV_APPEND(HAVE_DOT, YES) DX_ENV_APPEND(DOT_PATH, [`DX_DIRNAME_EXPR($DX_DOT)`])], [DX_ENV_APPEND(HAVE_DOT, NO)]) # Man pages generation: DX_ARG_ABLE(man, [generate doxygen manual pages], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [], [DX_ENV_APPEND(GENERATE_MAN, YES)], [DX_ENV_APPEND(GENERATE_MAN, NO)]) # RTF file generation: DX_ARG_ABLE(rtf, [generate doxygen RTF documentation], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [], [DX_ENV_APPEND(GENERATE_RTF, YES)], [DX_ENV_APPEND(GENERATE_RTF, NO)]) # XML file generation: DX_ARG_ABLE(xml, [generate doxygen XML documentation], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [], [DX_ENV_APPEND(GENERATE_XML, YES)], [DX_ENV_APPEND(GENERATE_XML, NO)]) # (Compressed) HTML help generation: DX_ARG_ABLE(chm, [generate doxygen compressed HTML help documentation], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [DX_REQUIRE_PROG([DX_HHC], hhc)], [DX_ENV_APPEND(HHC_PATH, $DX_HHC) DX_ENV_APPEND(GENERATE_HTML, YES) DX_ENV_APPEND(GENERATE_HTMLHELP, YES)], [DX_ENV_APPEND(GENERATE_HTMLHELP, NO)]) # Seperate CHI file generation. DX_ARG_ABLE(chi, [generate doxygen seperate compressed HTML help index file], [DX_CHECK_DEPEND(chm, 1)], [DX_CLEAR_DEPEND(chm, 1)], [], [DX_ENV_APPEND(GENERATE_CHI, YES)], [DX_ENV_APPEND(GENERATE_CHI, NO)]) # Plain HTML pages generation: DX_ARG_ABLE(html, [generate doxygen plain HTML documentation], [DX_CHECK_DEPEND(doc, 1) DX_CHECK_DEPEND(chm, 0)], [DX_CLEAR_DEPEND(doc, 1) DX_CLEAR_DEPEND(chm, 0)], [], [DX_ENV_APPEND(GENERATE_HTML, YES)], [DX_TEST_FEATURE(chm) || DX_ENV_APPEND(GENERATE_HTML, NO)]) # PostScript file generation: DX_ARG_ABLE(ps, [generate doxygen PostScript documentation], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [DX_REQUIRE_PROG([DX_LATEX], latex) DX_REQUIRE_PROG([DX_MAKEINDEX], makeindex) DX_REQUIRE_PROG([DX_DVIPS], dvips) DX_REQUIRE_PROG([DX_EGREP], egrep)]) # PDF file generation: DX_ARG_ABLE(pdf, [generate doxygen PDF documentation], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [DX_REQUIRE_PROG([DX_PDFLATEX], pdflatex) DX_REQUIRE_PROG([DX_MAKEINDEX], makeindex) DX_REQUIRE_PROG([DX_EGREP], egrep)]) # LaTeX generation for PS and/or PDF: AM_CONDITIONAL(DX_COND_latex, DX_TEST_FEATURE(ps) || DX_TEST_FEATURE(pdf)) if DX_TEST_FEATURE(ps) || DX_TEST_FEATURE(pdf); then DX_ENV_APPEND(GENERATE_LATEX, YES) else DX_ENV_APPEND(GENERATE_LATEX, NO) fi # Paper size for PS and/or PDF: AC_ARG_VAR(DOXYGEN_PAPER_SIZE, [a4wide (default), a4, letter, legal or executive]) case "$DOXYGEN_PAPER_SIZE" in #( "") AC_SUBST(DOXYGEN_PAPER_SIZE, "") ;; #( a4wide|a4|letter|legal|executive) DX_ENV_APPEND(PAPER_SIZE, $DOXYGEN_PAPER_SIZE) ;; #( *) AC_MSG_ERROR([unknown DOXYGEN_PAPER_SIZE='$DOXYGEN_PAPER_SIZE']) ;; esac #For debugging: #echo DX_FLAG_doc=$DX_FLAG_doc #echo DX_FLAG_dot=$DX_FLAG_dot #echo DX_FLAG_man=$DX_FLAG_man #echo DX_FLAG_html=$DX_FLAG_html #echo DX_FLAG_chm=$DX_FLAG_chm #echo DX_FLAG_chi=$DX_FLAG_chi #echo DX_FLAG_rtf=$DX_FLAG_rtf #echo DX_FLAG_xml=$DX_FLAG_xml #echo DX_FLAG_pdf=$DX_FLAG_pdf #echo DX_FLAG_ps=$DX_FLAG_ps #echo DX_ENV=$DX_ENV ]) lldpd-1.0.18/m4/ax_ld_check_flag.m40000644000076400001440000000564414532716672016163 0ustar00bernatusers# =========================================================================== # http://www.gnu.org/software/autoconf-archive/ax_ld_check_flag.html # =========================================================================== # # SYNOPSIS # # AX_LDFLAGS_OPTION(FLAG-TO-CHECK,[VAR],[NOTFOUND]) # # DESCRIPTION # # This macro tests if the C compiler supports the flag FLAG-TO-CHECK. If # successfull add it to VAR. # # This code is inspired from KDE_CHECK_COMPILER_FLAG macro. Thanks to # Bogdan Drozdowski for testing and bug fixes. # # This version has been (heavily) modified by Vincent Bernat # to match AX_CFLAGS_GCC_OPTION. # # LICENSE # # Copyright (c) 2008 Francesco Salvestrini # # This program is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the # Free Software Foundation; either version 2 of the License, or (at your # option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General # Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure # scripts that are the output of Autoconf when processing the Macro. You # need not follow the terms of the GNU General Public License when using # or distributing such scripts, even though portions of the text of the # Macro appear in them. The GNU General Public License (GPL) does govern # all other use of the material that constitutes the Autoconf Macro. # # This special exception to the GPL applies to versions of the Autoconf # Macro released by the Autoconf Archive. When you make and distribute a # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. #serial 6 AC_DEFUN([AX_LDFLAGS_OPTION],[ AC_PREREQ([2.69]) AC_REQUIRE([AC_PROG_SED]) flag=`echo "$1" | $SED 'y% .=/+-(){}<>:*,%_______________%'` AC_CACHE_CHECK([whether the linker accepts the $1 flag], [ax_cv_ld_check_flag_$flag],[ AC_LANG_SAVE AC_LANG([C]) save_LDFLAGS="$LDFLAGS" LDFLAGS="-Werror $LDFLAGS $[]m4_ifval($2,$2,) $1" AC_LINK_IFELSE([ AC_LANG_PROGRAM([],[]) ],[ eval "ax_cv_ld_check_flag_$flag=yes" ],[ eval "ax_cv_ld_check_flag_$flag=no" ]) LDFLAGS="$save_LDFLAGS" AC_LANG_RESTORE ]) AS_IF([eval "test \"`echo '$ax_cv_ld_check_flag_'$flag`\" = yes"],[ m4_ifval($2,$2,LDFLAGS)="$[]m4_ifval($2,$2,LDFLAGS) $1" ],[ :; $3 ]) ]) lldpd-1.0.18/m4/stdint.m40000644000076400001440000000075314111362570014232 0ustar00bernatusers# # lldp_CHECK_STDINT # AC_DEFUN([lldp_CHECK_STDINT], [ AC_CHECK_TYPES([u_int32_t, uint32_t]) if test "_$ac_cv_type_uint32_t" = _yes; then if test "_$ac_cv_type_u_int32_t" = _no; then AC_DEFINE(u_int8_t, uint8_t, [Compatibility with Linux u_int8_t]) AC_DEFINE(u_int16_t, uint16_t, [Compatibility with Linux u_int16_t]) AC_DEFINE(u_int32_t, uint32_t, [Compatibility with Linux u_int32_t]) AC_DEFINE(u_int64_t, uint64_t, [Compatibility with Linux u_int64_t]) fi fi]) lldpd-1.0.18/m4/snmp.m40000644000076400001440000000517614111362570013706 0ustar00bernatusers# # lldp_CHECK_SNMP # AC_DEFUN([lldp_CHECK_SNMP], [ if test x"$with_snmp" != x"no"; then AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no]) if test x"$NETSNMP_CONFIG" = x"no"; then dnl No luck if test x"$with_snmp" = x"yes"; then AC_MSG_FAILURE([*** no NetSNMP support found]) fi with_snmp=no else dnl Check it is working as expected NETSNMP_LIBS=`${NETSNMP_CONFIG} --agent-libs` NETSNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags` -DNETSNMP_NO_INLINE" _save_flags="$CFLAGS" _save_libs="$LIBS" CFLAGS="$CFLAGS ${NETSNMP_CFLAGS}" LIBS="$LIBS ${NETSNMP_LIBS}" AC_MSG_CHECKING([whether C compiler supports flag "${NETSNMP_CFLAGS} ${NETSNMP_LIBS}" from Net-SNMP]) AC_LINK_IFELSE([AC_LANG_PROGRAM([ int main(void); ], [ { return 0; } ])],[ AC_MSG_RESULT(yes) dnl Is Net-SNMP usable? AC_CHECK_LIB([netsnmp], [snmp_register_callback], [ dnl Do we have subagent support? AC_CHECK_FUNCS([netsnmp_enable_subagent], [ dnl Yes, we need to check a few more things AC_SUBST([NETSNMP_LIBS]) AC_SUBST([NETSNMP_CFLAGS]) AC_DEFINE_UNQUOTED([USE_SNMP], 1, [Define to indicate to enable SNMP support]) with_snmp=yes dnl Should we use f_create_from_tstring_new or f_create_from_tstring? AC_CHECK_MEMBERS([netsnmp_tdomain.f_create_from_tstring_new],,,[ @%:@include @%:@include @%:@include ]) dnl Do we have a usable header? AC_CHECK_HEADERS([net-snmp/agent/util_funcs.h],,,[ @%:@include @%:@include @%:@include @%:@include @%:@include ]) dnl Can we use snmp_select_info2? AC_CHECK_FUNCS([snmp_select_info2]) ],[ if test x"$with_snmp" = x"yes"; then AC_MSG_ERROR([*** no subagent support in net-snmp]) fi with_snmp=no ]) ],[ if test x"$with_snmp" = x"yes"; then AC_MSG_ERROR([*** unable to use net-snmp]) fi with_snmp=no ]) ],[ AC_MSG_RESULT(no) if test x"$with_snmp" = x"yes"; then AC_MSG_ERROR([*** incorrect CFLAGS from net-snmp-config]) fi with_snmp=no ]) CFLAGS="$_save_flags" LIBS="$_save_libs" fi fi ]) lldpd-1.0.18/m4/ax_build_date_epoch.m40000644000076400001440000000574114111362570016671 0ustar00bernatusers# =========================================================================== # http://www.gnu.org/software/autoconf-archive/ax_build_date_epoch.html # =========================================================================== # # SYNOPSIS # # AX_BUILD_DATE_EPOCH(VARIABLE[, FORMAT[, ACTION-IF-FAIL]]) # # DESCRIPTION # # Sets VARIABLE to a string representing the current time. It is # formatted according to FORMAT if specified, otherwise it is formatted as # the number of seconds (excluding leap seconds) since the UNIX epoch (01 # Jan 1970 00:00:00 UTC). # # If the SOURCE_DATE_EPOCH environment variable is set, it uses the value # of that variable instead of the current time. See # https://reproducible-builds.org/specs/source-date-epoch). If # SOURCE_DATE_EPOCH is set but cannot be properly interpreted as a UNIX # timestamp, then execute ACTION-IF-FAIL if specified, otherwise error. # # VARIABLE is AC_SUBST-ed. # # LICENSE # # Copyright (c) 2016 Eric Bavier # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the # Free Software Foundation, either version 3 of the License, or (at your # option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General # Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure # scripts that are the output of Autoconf when processing the Macro. You # need not follow the terms of the GNU General Public License when using # or distributing such scripts, even though portions of the text of the # Macro appear in them. The GNU General Public License (GPL) does govern # all other use of the material that constitutes the Autoconf Macro. # # This special exception to the GPL applies to versions of the Autoconf # Macro released by the Autoconf Archive. When you make and distribute a # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. #serial 1 AC_DEFUN([AX_BUILD_DATE_EPOCH], [dnl AC_MSG_CHECKING([for build time]) ax_date_fmt="m4_default($2,%s)" AS_IF([test x"$SOURCE_DATE_EPOCH" = x], [$1=`date -u "+$ax_date_fmt"`], [ax_build_date=`date -u -d "@$SOURCE_DATE_EPOCH" "+$ax_date_fmt" 2>/dev/null \ || date -u -r "$SOURCE_DATE_EPOCH" "+$ax_date_fmt" 2>/dev/null` AS_IF([test x"$ax_build_date" = x], [m4_ifval([$3], [$3], [AC_MSG_ERROR([malformed SOURCE_DATE_EPOCH])])], [$1=$ax_build_date])]) AC_MSG_RESULT([$$1]) ])dnl AX_BUILD_DATE_EPOCH lldpd-1.0.18/m4/seccomp.m40000644000076400001440000000102314111362570014345 0ustar00bernatusers# # lldp_CHECK_SECCOMP # AC_DEFUN([lldp_CHECK_SECCOMP], [ if test x"$with_seccomp" != x"no"; then PKG_CHECK_MODULES([libseccomp], [libseccomp >= 1], [ AC_SUBST([libseccomp_LIBS]) AC_SUBST([libseccomp_CFLAGS]) AC_DEFINE_UNQUOTED([USE_SECCOMP], 1, [Define to indicate to enable seccomp support]) with_seccomp=yes ], [ if test x"$with_seccomp" = x"yes"; then AC_MSG_FAILURE([*** no seccomp support found]) fi with_seccomp=no ]) fi ]) lldpd-1.0.18/m4/progname.m40000644000076400001440000000106114532716672014543 0ustar00bernatusers# # lldp_CHECK___PROGNAME # AC_DEFUN([lldp_CHECK___PROGNAME],[ AC_CACHE_CHECK([whether libc defines __progname], lldp_cv_check___progname, [ AC_LINK_IFELSE([AC_LANG_PROGRAM( [[#include]], [[ extern char *__progname; printf("%s", __progname); ]])], [ lldp_cv_check___progname="yes" ], [ lldp_cv_check___progname="no" ]) ]) if test x"$lldp_cv_check___progname" = x"yes"; then AC_DEFINE([HAVE___PROGNAME], [1], [Define if libc defines __progname]) fi ]) lldpd-1.0.18/m4/xml2.m40000644000076400001440000000302414111362570013601 0ustar00bernatusers# # lldp_CHECK_XML2 # AC_DEFUN([lldp_CHECK_XML2], [ if test x"$with_xml" != x"no"; then PKG_CHECK_MODULES([libxml2], [libxml-2.0], [ dnl Found through pkg-config AC_DEFINE_UNQUOTED([USE_XML], 1, [Define to indicate to enable XML support]) with_xml=yes ],[ dnl Fallback to xml2-config AC_PATH_TOOL([XML2_CONFIG], [xml2-config], [no]) if test x"$XML2_CONFIG" = x"no"; then dnl No luck if test x"$with_xml" = x"yes"; then AC_MSG_FAILURE([*** no libxml2 support found]) fi with_xml=no else dnl Check that it's working as expected libxml2_LIBS=`${XML2_CONFIG} --libs` libxml2_CFLAGS=`${XML2_CONFIG} --cflags` _save_flags="$CFLAGS" _save_libs="$LIBS" CFLAGS="$CFLAGS ${libxml2_CFLAGS}" LIBS="$LIBS ${libxml2_LIBS}" AC_MSG_CHECKING([whether libxml-2 work as expected]) AC_LINK_IFELSE([AC_LANG_PROGRAM([ @%:@include @%:@include ],[ xmlDocPtr doc; xmlTextWriterPtr xw = xmlNewTextWriterDoc(&doc, 0); return (xw != NULL); ])],[ AC_MSG_RESULT(yes) AC_SUBST([libxml2_LIBS]) AC_SUBST([libxml2_CFLAGS]) AC_DEFINE_UNQUOTED([USE_XML], 1, [Define to indicate to enable XML support]) with_xml=yes ],[ AC_MSG_RESULT(no) if test x"$with_xml" = x"yes"; then AC_MSG_FAILURE([*** libxml2 not working as expected]) fi with_xml=no ]) CFLAGS="$_save_flags" LIBS="$_save_libs" fi ]) fi ]) lldpd-1.0.18/m4/args.m40000644000076400001440000000421514111362570013656 0ustar00bernatusers# # lldp_ARG_WITH # dnl lldp_AC_EXPAND(var) AC_DEFUN([lldp_AC_EXPAND], [ dnl first expand prefix and exec_prefix if necessary prefix_save=$prefix exec_prefix_save=$exec_prefix dnl if no prefix given, then use /usr/local, the default prefix if test "x$prefix" = "xNONE"; then prefix="$ac_default_prefix" fi dnl if no exec_prefix given, then use prefix if test "x$exec_prefix" = "xNONE"; then exec_prefix=$prefix fi full_var="$1" dnl loop until it doesn't change anymore while true; do dnl echo DEBUG: full_var: $full_var new_full_var="`eval echo $full_var`" if test "x$new_full_var" = "x$full_var"; then break; fi full_var=$new_full_var done dnl clean up full_var=$new_full_var eval $2="$full_var" dnl restore prefix and exec_prefix prefix=$prefix_save exec_prefix=$exec_prefix_save ]) dnl lldp_ARG_WITH_UNQUOTED(name, help1, default) AC_DEFUN([lldp_ARG_WITH_UNQUOTED],[ AC_ARG_WITH([$1], AS_HELP_STRING([--with-$1], [$2 @<:@default=$3@:>@]),[ AC_DEFINE_UNQUOTED(AS_TR_CPP([$1]), [$withval], [$2]) AC_SUBST(AS_TR_CPP([$1]), [$withval])],[ AC_DEFINE_UNQUOTED(AS_TR_CPP([$1]), [$3], [$2]) AC_SUBST(AS_TR_CPP([$1]), [$3]) eval with_[]m4_translit([$1], [-+.], [___])=$3 ])]) dnl lldp_ARG_WITH(name, help1, default) AC_DEFUN([lldp_ARG_WITH],[ AC_ARG_WITH([$1], AS_HELP_STRING([--with-$1], [$2 @<:@default=$3@:>@]),[ lldp_AC_EXPAND("$withval", expanded) AC_DEFINE_UNQUOTED(AS_TR_CPP([$1]), ["$expanded"], [$2]) AC_SUBST(AS_TR_CPP([$1]), [$expanded])],[ lldp_AC_EXPAND("$3", expanded) AC_DEFINE_UNQUOTED(AS_TR_CPP([$1]), ["$expanded"], [$2]) AC_SUBST(AS_TR_CPP([$1]), [$expanded]) eval with_[]m4_translit([$1], [-+.], [___])="$expanded" ])]) dnl lldp_ARG_ENABLE(name, help1, default) AC_DEFUN([lldp_ARG_ENABLE],[ AC_ARG_ENABLE([$1], AS_HELP_STRING([--enable-$1], [Enable $2 @<:@default=$3@:>@]), [enable_$1=$enableval], [enable_$1=$3]) AC_MSG_CHECKING(whether to enable $2) if test x"$enable_$1" = x"yes"; then AC_MSG_RESULT(yes) AC_DEFINE([ENABLE_]AS_TR_CPP([$1]),, [$2]) else AC_MSG_RESULT(no) fi ]) lldpd-1.0.18/README.md0000644000076400001440000004606414532716672013444 0ustar00bernatusers# lldpd: implementation of IEEE 802.1ab (LLDP) ![Build Status](https://github.com/lldpd/lldpd/workflows/CI/badge.svg) https://lldpd.github.io/ ## Features LLDP (Link Layer Discovery Protocol) is an industry standard protocol designed to supplant proprietary Link-Layer protocols such as Extreme's EDP (Extreme Discovery Protocol) and CDP (Cisco Discovery Protocol). The goal of LLDP is to provide an inter-vendor compatible mechanism to deliver Link-Layer notifications to adjacent network devices. lldpd implements both reception and sending. It also implements an SNMP subagent for net-snmp to get local and remote LLDP information. The LLDP-MIB is partially implemented but the most useful tables are here. lldpd also partially implements LLDP-MED. lldpd supports bridge, vlan and bonding. The following OS are supported: * FreeBSD * GNU/Linux * macOS * NetBSD * OpenBSD * Solaris Windows is not supported but you can use [WinLLDPService](https://github.com/raspi/WinLLDPService/) as a transmit-only agent. ## Installation For general instructions [prefer the website](https://lldpd.github.io/installation.html), including building from released tarballs. To compile lldpd from Git, use the following commands: ./autogen.sh ./configure make sudo make install lldpd uses privilege separation to increase its security. Two processes, one running as root and doing minimal stuff and the other running as an unprivileged user into a chroot doing most of the stuff, are cooperating. You need to create a user called `_lldpd` in a group `_lldpd` (this can be change with `./configure`). You also need to create an empty directory `/usr/local/var/run/lldpd` (it needs to be owned by root, not `_lldpd`!). If you get fuzzy timestamps from syslog, copy `/etc/locatime` into the chroot. `lldpcli` lets one query information collected through the command line. If you don't want to run it as root, just install it setuid or setgid `_lldpd`. ## Installation (Docker) You can use Docker to run `lldpd`: docker run --rm --net=host --uts=host \ -v /etc/os-release:/etc/os-release \ --cap-add=NET_RAW --cap-add=NET_ADMIN \ --name lldpd \ ghcr.io/lldpd/lldpd:latest In place of `latest` which provides you with the latest stable version, you may use `1`, `1.0`, `1.0.12` to match specific versions, or `master` to get the development version. To execute `lldpcli`, use: docker exec lldpd lldpcli show neighbors Or to get the command-line: docker exec -it lldpd lldpcli ## Installation (macOS) The same procedure as above applies for macOS. However, there are simpler alternatives: 1. Use [Homebrew](https://brew.sh): brew install lldpd # Or, for the latest version: brew install https://raw.github.com/lldpd/lldpd/master/osx/lldpd.rb 2. Build an OS X installer package which should work on the same version of OS X (it is important to use a separate build directory): mkdir build && cd build ../configure --prefix=/usr/local --localstatedir=/var --sysconfdir=/private/etc --with-embedded-libevent \ --without-snmp make -C osx pkg If you want to compile for an older version of macOS, you need commands like those: mkdir build && cd build ../configure --prefix=/usr/local --localstatedir=/var --sysconfdir=/private/etc --with-embedded-libevent \ --without-snmp \ CFLAGS="-mmacosx-version-min=11.1" \ LDFLAGS="-mmacosx-version-min=11.1" make -C osx pkg You can check with `otool -l` that you got what you expected in term of supported versions. If you are running on ARM64, you can configure a binary supporting both architectures by adding `ARCHS="arm64 x86_64"` to the arguments of the `make` command. If you don't follow the above procedures, you will have to create the user/group `_lldpd`. Have a look at how this is done in `osx/scripts/postinstall`. ## Installation (Android) 1. Don't clone the repo or download the master branch from GitHub. Instead, download the official release from the website [https://lldpd.github.io/](https://lldpd.github.io/installation.html#install-from-source). Unpack into a working directory. 2. Download the [Android NDK](https://developer.android.com/ndk/downloads#stable-downloads) (version 22 or later). Unpack into a working directory next to the `lldpd` directory. 3. Install `automake`, `libtool`, and `pkg-config`. (`sudo apt-get install automake libtool pkg-config`) 4. In the root of the `lldpd` directory, make a `compile.sh` file containing this script: ```sh export TOOLCHAIN=$PWD/android-ndk/toolchains/llvm/prebuilt/linux-x86_64 export TARGET=armv7a-linux-androideabi export API=30 # DO NOT TOUCH BELOW export AR=$TOOLCHAIN/bin/llvm-ar export CC=$TOOLCHAIN/bin/$TARGET$API-clang export CXX=$TOOLCHAIN/bin/$TARGET$API-clang++ export LD=$TOOLCHAIN/bin/ld export RANLIB=$TOOLCHAIN/bin/llvm-ranlib export STRIP=$TOOLCHAIN/bin/llvm-strip export AS=$CC ./autogen.sh mkdir -p build && cd build ../configure \ --host=$TARGET \ --with-sysroot=$TOOLCHAIN/sysroot \ --prefix=/system \ --sbindir=/system/bin \ --runstatedir=/data/data/lldpd \ --with-privsep-user=root \ --with-privsep-group=root \ PKG_CONFIG=/bin/false make make install DESTDIR=$PWD/install ``` 5. In the **Android NDK** directory, locate the `toolchains/llvm/prebuilt/linux-x86_64` directory and change the `TOOLCHAIN` variable of the above script to match the path where the `linux-x86_64` directory resides. ```sh export TOOLCHAIN=$PWD/android-ndk-r22b-linux-x86_64/android-ndk-r22b/toolchains/llvm/prebuilt/linux-x86_64 ``` 6. Determine the CPU architecture target (`adb shell getprop ro.product.cpu.abi`). Change the `TARGET` variable in the above script to match the target architecture. The target name will not exactly match the output of the `adb` command as there will be a trailing suffix to the target name, so look in the `linux-x86_64/bin` directory for the `clang` file that starts with the CPU architecture target. Don't include the API version in the target name. ```sh $ adb shell getprop ro.product.cpu.abi armeabi-v7a ``` ```sh linux-x86_64/bin$ ls *-clang aarch64-linux-android21-clang armv7a-linux-androideabi23-clang i686-linux-android26-clang aarch64-linux-android22-clang armv7a-linux-androideabi24-clang i686-linux-android27-clang aarch64-linux-android23-clang armv7a-linux-androideabi26-clang i686-linux-android28-clang aarch64-linux-android24-clang armv7a-linux-androideabi27-clang i686-linux-android29-clang aarch64-linux-android26-clang armv7a-linux-androideabi28-clang i686-linux-android30-clang aarch64-linux-android27-clang armv7a-linux-androideabi29-clang x86_64-linux-android21-clang aarch64-linux-android28-clang armv7a-linux-androideabi30-clang x86_64-linux-android22-clang aarch64-linux-android29-clang i686-linux-android16-clang x86_64-linux-android23-clang aarch64-linux-android30-clang i686-linux-android17-clang x86_64-linux-android24-clang armv7a-linux-androideabi16-clang i686-linux-android18-clang x86_64-linux-android26-clang armv7a-linux-androideabi17-clang i686-linux-android19-clang x86_64-linux-android27-clang armv7a-linux-androideabi18-clang i686-linux-android21-clang x86_64-linux-android28-clang armv7a-linux-androideabi19-clang i686-linux-android22-clang x86_64-linux-android29-clang armv7a-linux-androideabi21-clang i686-linux-android23-clang x86_64-linux-android30-clang armv7a-linux-androideabi22-clang i686-linux-android24-clang ``` ```sh export TARGET=armv7a-linux-androideabi ``` 7. Set the `API` variable in the script above to your target API version. Check in the same `linux-x86_64/bin` to ensure the API you are targeting has a supported `clang` file for that CPU architecture and version. As of this writing, there is support for API `21-30` included for all architectures and some CPU architectures supported back to version `16`. ```sh export API=30 ``` 8. Run the compile script (`./compile.sh`). 9. Copy the `./bin/*` and `./lib/*.so` files from `lldpd/build/install/system` to the target system (`./bin/*` to `/system/bin`, `./lib/*.so` to `/system/lib64`): ```sh # Push files to target cd build/install/system adb shell mkdir -p /sdcard/Download/lldpd/bin adb push bin/lldpcli /sdcard/Download/lldpd/bin/lldpcli adb push bin/lldpd /sdcard/Download/lldpd/bin/lldpd adb shell mkdir -p /sdcard/Download/lldpd/lib64 adb push lib/liblldpctl.so /sdcard/Download/lldpd/lib64/liblldpctl.so # Enter target shell and move files adb shell # Run as root for all commands $ su # Make /system writeable $ mount -o rw,remount /system $ mv /sdcard/Download/lldpd/bin/lldpcli /system/bin/lldpcli $ chmod 755 /system/bin/lldpcli $ chown root:shell /system/bin/lldpcli $ mv /sdcard/Download/lldpd/bin/lldpd /system/bin/lldpd $ chmod 755 /system/bin/lldpd $ chown root:shell /system/bin/lldpd # $ touch /system/bin/lldpctl # $ chmod 755 /system/bin/lldpctl # $ chown root:shell /system/bin/lldpctl $ mv /sdcard/Download/lldpd/lib64/liblldpctl.so /system/lib64/liblldpctl.so $ chmod 644 /system/lib64/liblldpctl.so $ chown root:root /system/lib64/liblldpctl.so # Make /system readonly again $ mount -o ro,remount /system # Might not be necessary on some systems $ mkdir /data/data/lldpd $ chmod 700 /data/data/lldpd $ chown shell:shell /data/data/lldpd # Clean up $ rm -rf /sdcard/Download/lldpd ``` ## Usage lldpd also implements CDP (Cisco Discovery Protocol), FDP (Foundry Discovery Protocol), SONMP (Nortel Discovery Protocol) and EDP (Extreme Discovery Protocol). However, recent versions of IOS should support LLDP and most Extreme stuff support LLDP. When a EDP, CDP or SONMP frame is received on a given interface, lldpd starts sending EDP, CDP, FDP or SONMP frame on this interface. Informations collected through EDP/CDP/FDP/SONMP are integrated with other informations and can be queried with `lldpcli` or through SNMP. More information: * http://en.wikipedia.org/wiki/Link_Layer_Discovery_Protocol * http://standards.ieee.org/getieee802/download/802.1AB-2005.pdf * https://gitlab.com/wireshark/wireshark/-/wikis/LinkLayerDiscoveryProtocol ## Compatibility with older kernels If you have a kernel older than Linux 2.6.39, you need to compile lldpd with `--enable-oldies` to enable some compatibility functions: otherwise, lldpd will only rely on Netlink to receive bridge, bond and VLAN information. For bonding, you need 2.6.24 (in previous version, PACKET_ORIGDEV affected only non multicast packets). See: * http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=80feaacb8a6400a9540a961b6743c69a5896b937 * http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=8032b46489e50ef8f3992159abd0349b5b8e476c Otherwise, a packet received on a bond will be affected to all interfaces of the bond. In this case, lldpd will affect a received randomly to one of the interface (so a neighbor may be affected to the wrong interface). On 2.6.27, we are able to receive packets on real interface for enslaved devices. This allows one to get neighbor information on active/backup bonds. Without the 2.6.27, lldpd won't receive any information on inactive slaves. Here are the patchs (thanks to Joe Eykholt): * http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0d7a3681232f545c6a59f77e60f7667673ef0e93 * http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cc9bd5cebc0825e0fabc0186ab85806a0891104f * http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f982307f22db96201e41540295f24e8dcc10c78f On FreeBSD, only a recent 9 kernel (9.1 or more recent) will allow to send LLDP frames on enslaved devices. See this bug report for more information: * http://www.freebsd.org/cgi/query-pr.cgi?pr=138620 Some devices (notably Cisco IOS) send frames tagged with the native VLAN while they should send them untagged. If your network card does not support accelerated VLAN, you will receive those frames as long as the corresponding interface exists (see below). However, if your network card handles VLAN encapsulation/decapsulation (check with `ethtool -k`), you need a recent kernel to be able to receive those frames without listening on all available VLAN. Starting from Linux 2.6.27, lldpd is able to capture VLAN frames when VLAN acceleration is supported by the network card. Here is the patch: * http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bc1d0411b804ad190cdadabac48a10067f17b9e6 On some other versions, frames are sent on VLAN 1. If this is not the native VLAN and if your network card support accelerated VLAN, you need to subscribe to this VLAN as well. The Linux kernel does not provide any interface for this. The easiest way is to create the VLAN for each port: ip link add link eth0 name eth0.1 type vlan id 1 ip link set up dev eth0.1 You can check both cases using tcpdump: tcpdump -epni eth0 ether host 01:80:c2:00:00:0e tcpdump -eni eth0 ether host 01:80:c2:00:00:0e If the first command does not display received LLDP packets but the second one does, LLDP packets are likely encapsulated into a VLAN: 10:54:06.431154 f0:29:29:1d:7c:01 > 01:80:c2:00:00:0e, ethertype 802.1Q (0x8100), length 363: vlan 1, p 7, ethertype LLDP, LLDP, name SW-APP-D07.VTY, length 345 In this case, just create VLAN 1 will fix the situation. There are other solutions: 1. Disable VLAN acceleration on the receive side (`ethtool -K eth0 rxvlan off`) but this may or may not work. Check if there are similar properties that could apply with `ethtool -k eth0`. 2. Put the interface in promiscuous mode with `ip link set promisc on dev eth0`. The last solution can be done directly by `lldpd` (on Linux only) by using the option `configure system interface promiscuous`. On modern networks, the performance impact should be nonexistent. ## Development During development, you may want to execute lldpd at its current location instead of doing `make install`. The correct way to do this is to issue the following command: sudo libtool execute src/daemon/lldpd -L $PWD/src/client/lldpcli -d You can append any further arguments. If lldpd is unable to find `lldpcli` it will start in an unconfigured mode and won't send or accept LLDP frames. There is a general test suite with `make check`. It's also possible to run integration tests. They need [pytest](http://pytest.org/latest/) and rely on Linux containers to be executed. To enable code coverage, use: ../configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var \ --enable-sanitizers --enable-gcov --with-snmp \ CFLAGS="-O0 -g" make make check # maybe, run integration tests lcov --base-directory $PWD/src/lib \ --directory src --capture --output-file gcov.info genhtml gcov.info --output-directory coverage ## Fuzzing ### With [libfuzzer](https://llvm.org/docs/LibFuzzer.html) Using address sanitizer: ```bash export CC=clang export CFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only -fsanitize=address -fsanitize-address-use-after-scope -fsanitize=fuzzer-no-link" export LIB_FUZZING_ENGINE="-fsanitize=fuzzer" ``` Using undefined-behaviour sanitizer: ```bash export CC=clang export CFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only -fsanitize=array-bounds,bool,builtin,enum,float-divide-by-zero,function,integer-divide-by-zero,null,object-size,return,returns-nonnull-attribute,shift,signed-integer-overflow,unsigned-integer-overflow,unreachable,vla-bound,vptr -fno-sanitize-recover=array-bounds,bool,builtin,enum,float-divide-by-zero,function,integer-divide-by-zero,null,object-size,return,returns-nonnull-attribute,shift,signed-integer-overflow,unreachable,vla-bound,vptr -fsanitize=fuzzer-no-link" export LIB_FUZZING_ENGINE="-fsanitize=fuzzer" ``` Using memory sanitizer: ```bash export CC=clang export CFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only -fsanitize=memory -fsanitize-memory-track-origins -fsanitize=fuzzer-no-link" export LIB_FUZZING_ENGINE="-fsanitize=fuzzer" ``` Build and run: ``` ./configure --disable-shared --enable-pie --enable-fuzzer=$LIB_FUZZING_ENGINE make cd tests/ ./fuzz_cdp fuzzing_seed_corpus/fuzz_cdp_seed_corpus ./fuzz_edp fuzzing_seed_corpus/fuzz_edp_seed_corpus ./fuzz_lldp fuzzing_seed_corpus/fuzz_lldp_seed_corpus ./fuzz_sonmp fuzzing_seed_corpus/fuzz_sonmp_seed_corpus ``` ### With [AFL++](https://aflplus.plus) You can use AFL++ to test some other aspects of lldpd. To test frame decoding: ```bash export CC=afl-clang-fast ./configure --disable-shared --enable-pie make clean check cd tests mkdir inputs mv *.pcap inputs afl-fuzz -i inputs -o outputs ./decode @@ ``` ## Embedding To embed lldpd into an existing system, there are two point of entries: 1. If your system does not use standard Linux interface, you can support additional interfaces by implementing the appropriate `struct lldpd_ops`. You can look at `src/daemon/interfaces-linux.c` for examples. Also, have a look at `interfaces_update()` which is responsible for discovering and registering interfaces. 2. `lldpcli` provides a convenient way to query `lldpd`. It also comes with various outputs, including XML which allows one to parse its output for integration and automation purpose. Another way is to use SNMP support. A third way is to write your own controller using `liblldpctl.so`. Its API is described in `src/lib/lldpctl.h`. The custom binary protocol between `liblldpctl.so` and `lldpd` is not stable. Therefore, the library should always be shipped with `lldpd`. On the other hand, programs using `liblldpctl.so` can rely on the classic ABI rules. ## Troubleshooting You can use `tcpdump` to look after the packets received and send by `lldpd`. To look after LLDPU, use: tcpdump -s0 -vv -pni eth0 ether dst 01:80:c2:00:00:0e Intel X710 cards may handle LLDP themselves, intercepting any incoming packets. If you don't see anything through `tcpdump`, check if you have such a card (with `lspci`) and stop the embedded LLDP daemon: for f in /sys/kernel/debug/i40e/*/command; do echo lldp stop > $f done This may also apply to the `ice` (Intel E8xx cards) driver. These steps are not necessary with a recent version of `lldpd` (1.0.11+). ## License lldpd is distributed under the ISC license: > Permission to use, copy, modify, and/or distribute this software for any > purpose with or without fee is hereby granted, provided that the above > copyright notice and this permission notice appear in all copies. > > THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES > WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF > MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR > ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES > WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN > ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF > OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. Also, `lldpcli` will be linked to GNU Readline (which is GPL licensed) if available. To avoid this, use `--without-readline` as a configure option. lldpd-1.0.18/NEWS0000644000076400001440000006116714533436077012664 0ustar00bernatuserslldpd (1.0.18) * Changes (breaking): + Remove support for building 802.3bt TLVs (broken). * Fix: + Fix memory leaks in EDP/FDP decoding when receiving some TLVs twice. + Do not set interface description continuously. + Use a different Netlink socket for changes and queries. lldpd (1.0.17) * Fix: + Read overflow when parsing CDP addresses. Thanks to Matteo Memelli. + Don't output empty lines on configure commands. lldpd (1.0.16) * Fix: + Do not use 00:00:00:00:00:00 as chassis ID. + Do not busy loop when an interface with a neighbor disappears. lldpd (1.0.15) * Changes + Add configure command to override system capabilities. Contributed by Ignacio Sanchez Navarro. (#526) + An unrecognized ORG TLV is now considered as a custom one. (#536) * Fix: + Really don't send VLANs when there are too many (#520) + Ignore temporary IPv6 addresses (#521) lldpd (1.0.14) * Changes + Add configure commands to alter inventory TLVs (#508) * Fix: + Update seccomp rules for newer kernel/libc (#488) + Correctly handle an interface whose index has changed (#490) + Don't send VLANs when there are too many (#501) lldpd (1.0.13) * Fix: + Add support for 2.5G, 5G, 25G and 50G based Ethernet (#475) + Fix link-down detection on OpenBSD (#476) + Fix LLDP packets encapsuled in VLAN 0 in some conditions + Fix heap overflow when reading SONMP. CVE-2021-43612. Thanks to Jeremy Galindo for discovering this one. lldpd (1.0.12) * Fix: + Use a dedicated file lock to prevent concurrent changes from lldpcli. + Require/display powerpairs for Dot3 power even when device type is PD. * Changes: + Provide a Docker image and make it available on GitHub. lldpd (1.0.11) * Changes: + Disable LLDP in firmware for Intel X7xx cards. * Fix: + Ensure Intel E8xx cards can transmit LLDP packets. lldpd (1.0.10) * Fix: + Fix chroot directory creation. lldpd (1.0.9) * Fix: + Do not use interface alias if we set it ourselves. + More memory leak fixes on duplicate TLVs in LLDP, CDP and EDP (related to CVE-2020-27827). + On OSX, handle empty groups correctly when looking for a free UID/GID. * Changes: + Display port status with "show interfaces". + Do not display "age" and "via" when using "show interfaces". lldpd (1.0.8) * Fix: + Out-of-bound read access when parsing LLDP-MED civic address in liblldpctl for malformed fields. + Fix memory leak when receiving LLDPU with duplicate fields. CVE-2020-27827. * Changes: + Enable "router" capability bit when IPv6 routing is enabled. lldpd (1.0.7) * Fix: + Do not listen only to LLDP packets on Linux. When an interface is enslaved to an Open vSwitch, incoming packets are missed. lldpd (1.0.6) * Fix: + Do not loose chassis local information when interface status changes. + Fix SNMP walk on lldpRemTable when missing remote system name or description. + Remove length limitation on system description and platform. * Changes: + Deprecate use of lldpctl_watch_callback(). Use lldpctl_watch_callback2() instead. + Upgrade embedded libevent to 2.1.11-stable + Add support of sending LLDP frames on a configured VLAN lldpd (1.0.5) * Changes: + Interface names are also matched for management addresses. + On Linux, only register protocol handler for LLDP when only LLDP is enabled. + Stricter on LLDP incoming frames validation. + Add support for VLAN-aware bridges for Linux (no range support). + Add support for 802.3BT (no SNMP support). + Add support for millisecond-grained tx-interval (Jean-Pierre Tosoni). + Use generic names for VLAN names, instead of interface names (eg vlan100 instead of eth1.100). * Fix: + Don't clear chassis TLV on shutdown LLDPDU. + Don't require/display powerpairs for Dot3 power when device type is PD. lldpd (1.0.4) * Changes: + Add "configure system max-neighbors XX" command to modify maximum of neighbors accepted per port. + Implement lldpRemOrgDefInfoTable table for custom TLVs. * Fix: + Better compliance for statsTLVsUnrecognizedTotal and statsAgeoutsTotal counters. + On Linux, handle rare blocking case in Netlink code. lldpd (1.0.3) * Fix: + Fix creation of chroot directory. lldpd (1.0.2) * Changes: + On Linux, the monitor process will now drop its privileges instead of running as root. It will keep CAP_NET_RAW, CAP_NET_ADMIN and CAP_DAC_OVERRIDE capabilities. + Support for CDP PD PoE (with negotiation). Thanks to Gustav Wiklander. + Move support for bonded devices on Linux < 2.6.27 into the `--enable-oldies` option. This avoids duplicate packets starting from Linux 4.19. lldpd (1.0.1) * Fix: + Use "mkdir -p" instead of "mkdir" in systemd unit. lldpd (1.0.0) * Changes: + Chassis ID can be set to an arbitrary value with "configure system chassisid". + Port description can be overriden directly with "configure lldp portdescription". + Command "configure system interface permanent" enables one to specify a pattern for interfaces to be kept in memory even when they are removed from the system. * Fix: + Ensure chassis-related changes are propagated immediately. + Ensure management address change is correctly detected. lldpd (0.9.9) * Changes: + lldpcli can now display local interfaces with LLDP data sent on each of them ("show interfaces"). + As Dot3 PD device, echo back allocated value from PSE device. * Fix: + Don't remove interfaces when they are released from a bridge. + Don't use "expect stop" with Upstart. It's buggy. lldpd (0.9.8) * Changes: + "Station" capability is only set if no other bit is set. + Use ethtool to get permanent address for bonds and teams. This might provide different results than the previous method. Some devices may still use the previous method. + Don't run ethtool as root. Kernels older than 2.6.19 won't get link information anymore. + Add "configure system hostname ." option to not use a FQDN for system name. + Add "-f json0" to provide a more regular/machine-parsable output to JSON output, even when not compiled with --enable-json0. * Fixes: + Handle team interfaces like a bond. Real MAC address cannot be retrieved yet. lldpd (0.9.7) * Changes: + Attach remote TTL to port instead of chassis. + JSON support is now built-in and unconditionally enabled. Use --enable-json0 to keep the pre-0.9.2 json-c format. + When logging to syslog and daemonizing, don't log to stderr. + vxlan interfaces are now ignored as they are multi-point interfaces. + Maximum number of neighbors for an interface is increased from 4 to 32. lldpd (0.9.6) * Changes: + Add a compile-time option to restore pre-0.9.2 JSON format (when using json-c). Use `--enable-json0` to enable this option. + Support for newer ethtool interface on Linux (ETHTOOL_GLINKSETTINGS) and additional speed settings. + Current MAU type is displayed even when autoneg is off. + Increase netlink receive buffer by default. Can be changed at compile-time through ./configure. * Fixes: + Correctly parse LLDP-MED civic address when the length of the TLV exceeds the length of the address. + Fix 100% CPU on some rare error condition. + Fix lost timer when an interface is enslaved on Linux. lldpd (0.9.5) * Changes: + More Ethernet media supported. However, RFC4836 is quite out-of-date with respected to 10G+ speeds, bringing some inaccuracies. + Directly get media information for an interface without using the privileged process. + LLDP-MED capability TLV is not sent when LLDP-MED is not enabled, even if other LLDP-MED TLV are present. * Fixes: + Compilation fix with older versions of GCC. + Don't use ethtool at all to get real MAC address for enslaved devices (always use /proc). lldpd (0.9.4) * Changes: + Make lldpd accepts a `-p` option to specify the PID file. + Ability to change multicast MAC address to two additional values to reach customer bridges. + lldpcli will now display chassis TTL when detailed view is enabled. * Fixes: + Fix setting of local value for port ID. + Fix compilation with BSD make. + Ensure lldpcli returns an error code on invalid commands. lldpd (0.9.3) * Changes: + Do not rely on support of constructors for liblldpctl. + Always log to stderr (even in addition to syslog). + `lldpcli watch` accepts a limit on the number of received events. * Fixes: + `lldpcli -f {xml,json} watch` should work now. + Consider `veth` interfaces as physical interfaces. lldpd (0.9.2) * Changes: + Ability to add/remove/replace custom TLV from lldpcli. + LLDP-MED capabilities are displayed differently in lldpcli. + Limit the maximum depth (5) when trying to apply a VLAN. + Change JSON output format when using json-c to match Jansson output. + Integration tests for the major parts of lldpd, including use of address and leak sanitizer. * Fixes: + LLDP-MED POE TLV are now displayed in lldpcli. + Ignore lower link when it is in another namespace. + Fix various problems with interfaces being enslaved. + Fix a memory leak when modifying port-related settings. lldpd (0.9.1) * Changes: + Rework packaging for OS X to make it work with El Capitan. To simplify a bit, it is not possible anymore to build fat binaries. Latest version of OS X supporting 32bit was 10.6. * Fixes: + By default, when using port alias as description, use port name as port ID. + Miscellaneous fixes with netlink cache. + Ensure large netlink messages can be received. lldpd (0.9.0) * Changes: + Don't rely on libnl3 for netlink. Reuse the previous code and implement a lighweight cache. lldpd (0.8.0, never released) * Changes: + PIE is now disabled by default. It's too difficult to reliably detect if it works. Use --enable-pie to enable it. + Retrieve the permanent MAC address of an interface through ethtool for Linux if /proc/net/bonding is not available. + Running lldpd with "-d" will keep the process in foreground but logs will still go to syslog. To log to the console, add at least one "-d". + Fix minimal kernel version to 2.6.39. Add a runtime warning when this is not the case. + Remove old bridge code (the one using ioctl). + Don't discard down interfaces. Notably, this enables us to keep their specific configuration if any. + For Linux, switch to libnl3. Be aware of the licensing issues in case of static linking. + Introduce the notion of default local port. New interfaces will use it as a base. This allows setting various MED stuff. + Provide an apparmor profile (untested). * Fixes: + Fix a buffer overflow when receiving a too large management address TLV. Unless hardening has been disabled, this overflow cannot be used for arbitrary code execution. + Update LLDP-MED policy L2 priority values to match 802.1Q-2005. This may be a breaking change. lldpd (0.7.17) * Fixes: + Fix the way libevent configure is called. + Fix an infinite loop when using veth on Linux 4.1+ kernels. + Make CDP advertise the appropriate kernel name as platform, not just "Linux". lldpd (0.7.16) * Changes: + For Linux, 2.6.32 is now the minimal required kernel. When using an older kernel, use `--enable-oldies`. + For Linux, use netlink to retrieve information about bridges, VLAN and bonds. The code was contributed by Cumulus Networks. + Use symbol versioning for liblldpctl.so. + Ability to get local chassis information with "show chassis". + The library also has the same ability with the `lldpctl_get_local_chassis()` function. It is also possible to get a chassis atom from a port with `lldpctl_k_port_chassis` key. This is now the preferred way to retrieve chassis related information. * Fixes: + Fix build on OS X. + Accept "language" when configuring MED location as a civic address. lldpd (0.7.15) * Changes: + Optional features can be configured with "auto" to autodetect if they are usable. This is the default value for JSON and XML support. + Ability to send and decode custom/unknown TLV. Thanks to Alexandru Ardelean. + Modify checksum function. While this should be strictly equivalent, if you notice CDP packets not accepted anymore, this change is the first culprit. lldpd (0.7.14) * Changes: + Shutdown LLPDU are sent on MSAP change and when lldpd exits. + When an exact IP is provided as a management pattern, use it unconditionally. + Ability to set port ID and description to an arbitrary value, thanks to Alexandru Ardelean. * Fixes: + Incorrect boundary check when decoding management address and protocol identity may lead to lldpd crash when processing malformed LLDPDU. + Many edge cases where lldpd was leaving hanging processes after crashing. lldpd (0.7.13) * Fixes: + Unbreak customization of Unix socket path from command line. lldpd (0.7.12) * Changes: + Interface pattern, management pattern, system description, system platform and system hostname can be unconfigured to their default values. * Fixes: + Don't complain when parsing a commented line. + Correctly persist configuration changes for "system interface promiscuous", "system interface description" "med fast-start enable", "pause" and "resume". + Fix listening on bond devices for old kernels (< 2.6.27). lldpd (0.7.11) * Changes: + Ship bash and zsh completion. + Abort when some command-line options are repeated. * Fixes: + Handle correctly read failures in liblldpctl. lldpd (0.7.10) * Changes: + Ability to set promiscuous mode to work around bugs of some switches encapsulating LLDP frames inside 802.1Q frames. + JSON support for lldpcli can use json-c instead of jansson, thanks to Michel Stam. * Fixes: + Fix checksum computation for Cisco CDP. + Fix ability to disable LLDP. + Fix seccomp sandbox, thanks to Patrick McLean. lldpd (0.7.9) * Changes: + Default location for chroot, socket and PID are now configurable in `./configure`. The default location is based on the value of `runstatedir` which in turn may be based on the value of `localstatedir` which defaults to `/usr/local/var`. Therefore, to get the previous locations, lldpd should be configured with `./configure --localstatedir=/var`. + Add support for shutdown LLDPU. + Ability to configure IP management pattern from lldpcli. + Ability to choose what port ID should be (MAC or interface name). * Fixes: + Fix `configure system bond-slave-src-mac-type local`. Also use it as default. lldpd (0.7.8) * Changes: + Android support + Add the possibility to disable privilege separation (lower memory consumption, lower security, don't do it). + Interfaces can now be whitelisted. For example, *,!eth*,!!eth1 is a valid pattern for all interfaces except eth ones, except eth1. Moreover, on exact match, an matching interface circumvents most sanity checks (like VLAN handling). + Ability to override the hostname. * Fixes: + Don't hard-code default values for system name, system description and port description. When the field is not present, just don't display it. + Fix lldpcli behaviour when suid. + On OSX, don't use p2p0 interfaces: it would break WLAN. + Fix SNMP support on RHEL. lldpd (0.7.7) * Changes: + Use a locally administered MAC address or an arbitrary one instead of null MAC address for bond devices on Linux. This is configurable through `lldpcli`. + Add support for "team" driver (alternative to bond devices). + Preliminary support for DTrace/systemtap. + Preliminary support for seccomp (for monitor process). + Setup chroot inside lldpd instead of relying on init script. * Fixes: + Various bugs related to fixed point number handling (for coordinates in LLDP-MED) + Fix a regression in how MAC address of an enslaved device is retrieved. lldpd (0.7.6) * Changes: + Provide a way to build packages for OSX. + Add an option to update interface description with neighbor name. * Fixes: + Compilation fix for OSX 10.6. lldpd (0.7.5) * Fixes: + Segfault while tokenizing in lldpcli. lldpd (0.7.4) * Fixes: + Segfault in lldpcli. + Memory leak in liblldpctl when using a custom log handler. + Fix some unaligned memory accesses. + Fix frame reception on OpenBSD. * Changes: + Allow to configure hold value from lldpcli (and hence the TTL). + Allow to configure pattern for valid interfaces from lldpcli. + Allow to override system description from lldpcli. + Display the neighbor connected as the process title (or the number of connected neighbors). lldpd (0.7.3) * Changes: + DragonFly BSD support. + Solaris support (incomplete). + LLDP-MED fast start support (thanks to Roopa Prabhu). + Provide global statistics through "show statistics summary" command (thanks to Roopa Prabhu). * Fixes: + Fix IPv4/IPv6 address discovery in Linux. lldpd (0.7.2) * Changes: + lldpd can be configured through /etc/lldpd.conf and /etc/lldpd.d. All commands accepted by lldpcli are accepted. + Lock BPF interfaces before handing them to chrooted process on BSD. + Limit the number of neighbors for each port to 4 (per protocol). + Force CDPv2 protocol with argument `-ccc`. + Provide port statistics through "show statistics" command (thanks to Roopa Prabhu). * Fixes: + Driver whitelisting is done before checking if an interface has a lower interface in Linux. + Expire remote ports and chassis in a timely manner. lldpd (0.7.1) * Changes: + Mac OS X support, sponsored by Xcloud, Mac cloud server hosting provider. http://xcloud.me/ + Upstart and systemd support. + Remove Unix socket when there is no process listening. lldpd (0.7.0) * Changes: + FreeBSD support. + OpenBSD support. + NetBSD support. + Detect interface changes. + CLI for lldpctl: lldpcli. + Allow to disable LLDP protocol (with `-ll`). In this case, the first enabled protocol will be used when no neighbor is detected. + Allow to filter debug logs using tokens. Add more debug logs. + lldpctl can now output JSON. + Use netlink to gather interface information on Linux. + Don't use ioctl for bridges anymore on Linux. The configure option `--enable-oldies` allow to reenable their uses for systems not supporting sysfs. lldpd (0.6.1) * Changes: + Provide liblldpctl.so, a library to interface with lldpd. The documentation is provided through Doxygen. See src/lib/lldpctl.h which contains all the exported functions. + Make lldpctl uses liblldpctl.so. + Add a "watch" option to lldpctl to monitor neighbor changes. + Add the possibility to display the current configuration of lldpd with lldpctl. Also add the possibility to reset the current transmit delay. lldpd (0.6) * Changes: + Allow lldpctl to display hidden ports. + Add a switch to specify interfaces to use to get chassis ID. + Support for multiple management addresses and IPv6 management addresses. Contributed by João Valverde. + Switch to libevent. See README.md for details. + Partial rewrite of the SNMP part. Less code. + Unit tests for SNMP. + Major rewrite of the protocol between lldpd and lldpctl. Less code. * Fixes: + Several small SNMP fixes (discovered by unit tests). lldpd (0.5.7) * Fixes: + Configure issue with NetSNMP and some linkers + Fix infinite loop for the receive part: on certain conditions, lldpd will stop sending packets and stop updating local data. lldpd (0.5.6) * Changes: + Send and receive native VLAN TLV with CDP + Add a whitelist for some drivers (currently: dsa and veth) * Fixes: + Compilation issues with NetSNMP 5.7 (and with earlier versions too) + Small optimization of BPF filter lldpd (0.5.5) * Changes: + Support for PPVID and PI Dot1 TLV, thanks to Shuah Khan. + Extend whitelist with possibility to blacklist. * Fixes: + Key/value output was incorrect when a dot was present in interface names. This is fixed but it is preferable to use XML output since the parsing is more difficult in this case. + Only grab DMI information once. Only uses DMI for x86 platform. + Padding issues with socket protocol. This introduces a change in the socket protocol! + Fix a segfault when neither /etc/os-release nor lsb_release are available. lldpd (0.5.4) * Changes: + Get OS information from /etc/os-release if available. Patch from Michael Tremer. + Add a flag to specify which interfaces lldpd should listen to. lldpd (0.5.3) * Changes: + Handle Dot3 POE-MDI TLV (802.3af and 802.3at). + Allow to set Dot3 POE-MDI from lldpctl. * Fixes: + Allow root to change configuration of lldpd when lldpctl has suid set. lldpd (0.5.2) * Changes: + More flexible smart mode and new default. Manual page has been updated. + Add a "receive-only" mode with "-r" switch. lldpd (0.5.1) * Changes: + Allow to force a protocol even when no peer for this protocol is detected. + Add a smart mode that allows to discard bogus port information, for example CDP packets that are flooded through a switch that does not support CDP. + Allow to set LLDP-MED network policy from lldpctl, thanks to a patch from Philipp Kempgen. + Allow to set LLDP-MED POE-MDI from lldpctl. + Add a summary of available options in "lldpd -h" and "lldpctl -h", thanks to a patch from Jorge Boncompte. + Add a new output (keyvalue) for lldpctl. + Listen on VLAN using an appropriate BPF filter, VLAN decapsulation. Older "listen on vlan" feature is discarded. See README for more information on the new feature. + Use output of lsb_release if available for system description. * Fixes: + Ignore interface with no queue. It should filter out interfaces like "vnet0" that would fail if we try to send something on them. + Don't check CDP checksums (not really a fix but it appears that Cisco checksum have some difficult corner cases). lldpd (0.5.0) * Changes: + lldpd can now handle several systems on the same port. This modification also allows to speak to a switch using CDP and LLDP for example. + The way that lldpd gathers information for each port has been abstracted. This should allow to support more systems (BSD for examples) or switch cores in the future. Sending/receive support is also abstracted. + Add "-k" switch to avoid to emit too much information on running kernel. + Support of ifAlias with kernel >= 2.6.28 + Lot of portability stuff. lldpd can now be compiled on RHEL 2.1. Still Linux-only though. + Add an option to specify AgentX socket (-X). + Add some unit tests + lldpctl has been reworked; it is now able to output data in XML format for easier parsing. Patches were provided by Andreas Hofmeister. * Fixes: + Fix EDP VLAN handling + Silent warnings about bridge stuff. + Copy /etc/localtime into chroot before starting lldpd daemon to ensure correct timestamps for logs. lldpd (0.4.1) * Fix EDP handling when there is no VLAN * Fix CDP version to not always be 1 * Misc fix: + incorrect number of arguments for a LLOG_INFO call + fix SNMP last change in case this change occurs before start time lldpd (0.4) * Rewrite of packet builder and parser to be able to cope with architecture that cannot do unaligned read. For decoder, we don't cast structures any more since they can be unaligned. For encoder, we use memcpy through the use of macro that build packets step by step. lldpd (0.3.2) * Fix LLDP-MED support lldpd (0.3.1) * Misc fixes, including memory leaks lldpd (0.3) * Initial support of LLDP-MED * Fix for bridge detection (don't send bridge ioctl on random interfaces) * For bonded devices, get the real hardware address. For inactive slaves, transmit using a random MAC address. lldpd (0.2.1) * Fix a syntax error in manual page * Fix open() calls lldpd (0.2) * Add privilege separation * Add FDP support * Support CDP encapsulated into native VLAN * Various fixes lldpd (0.1) * Initial release lldpd-1.0.18/missing0000755000076400001440000001533614550773312013554 0ustar00bernatusers#! /bin/sh # Common wrapper for a few potentially missing GNU programs. scriptversion=2018-03-07.03; # UTC # Copyright (C) 1996-2021 Free Software Foundation, Inc. # Originally written by Fran,cois Pinard , 1996. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVTHREAD_INTERNAL_H_INCLUDED_ #define EVTHREAD_INTERNAL_H_INCLUDED_ #ifdef __cplusplus extern "C" { #endif #include "event2/event-config.h" #include "evconfig-private.h" #include "event2/thread.h" #include "util-internal.h" struct event_base; #if !defined(_WIN32) && !defined(__CYGWIN__) /* On Windows, the way we currently make DLLs, it's not allowed for us to * have shared global structures. Thus, we only do the direct-call-to-function * code path if we know that the local shared library system supports it. */ #define EVTHREAD_EXPOSE_STRUCTS #endif #if ! defined(EVENT__DISABLE_THREAD_SUPPORT) && defined(EVTHREAD_EXPOSE_STRUCTS) /* Global function pointers to lock-related functions. NULL if locking isn't enabled. */ EVENT2_EXPORT_SYMBOL extern struct evthread_lock_callbacks evthread_lock_fns_; EVENT2_EXPORT_SYMBOL extern struct evthread_condition_callbacks evthread_cond_fns_; extern unsigned long (*evthread_id_fn_)(void); EVENT2_EXPORT_SYMBOL extern int evthread_lock_debugging_enabled_; /** Return the ID of the current thread, or 1 if threading isn't enabled. */ #define EVTHREAD_GET_ID() \ (evthread_id_fn_ ? evthread_id_fn_() : 1) /** Return true iff we're in the thread that is currently (or most recently) * running a given event_base's loop. Requires lock. */ #define EVBASE_IN_THREAD(base) \ (evthread_id_fn_ == NULL || \ (base)->th_owner_id == evthread_id_fn_()) /** Return true iff we need to notify the base's main thread about changes to * its state, because it's currently running the main loop in another * thread. Requires lock. */ #define EVBASE_NEED_NOTIFY(base) \ (evthread_id_fn_ != NULL && \ (base)->running_loop && \ (base)->th_owner_id != evthread_id_fn_()) /** Allocate a new lock, and store it in lockvar, a void*. Sets lockvar to NULL if locking is not enabled. */ #define EVTHREAD_ALLOC_LOCK(lockvar, locktype) \ ((lockvar) = evthread_lock_fns_.alloc ? \ evthread_lock_fns_.alloc(locktype) : NULL) /** Free a given lock, if it is present and locking is enabled. */ #define EVTHREAD_FREE_LOCK(lockvar, locktype) \ do { \ void *lock_tmp_ = (lockvar); \ if (lock_tmp_ && evthread_lock_fns_.free) \ evthread_lock_fns_.free(lock_tmp_, (locktype)); \ } while (0) /** Acquire a lock. */ #define EVLOCK_LOCK(lockvar,mode) \ do { \ if (lockvar) \ evthread_lock_fns_.lock(mode, lockvar); \ } while (0) /** Release a lock */ #define EVLOCK_UNLOCK(lockvar,mode) \ do { \ if (lockvar) \ evthread_lock_fns_.unlock(mode, lockvar); \ } while (0) /** Helper: put lockvar1 and lockvar2 into pointerwise ascending order. */ #define EVLOCK_SORTLOCKS_(lockvar1, lockvar2) \ do { \ if (lockvar1 && lockvar2 && lockvar1 > lockvar2) { \ void *tmp = lockvar1; \ lockvar1 = lockvar2; \ lockvar2 = tmp; \ } \ } while (0) /** Lock an event_base, if it is set up for locking. Acquires the lock in the base structure whose field is named 'lockvar'. */ #define EVBASE_ACQUIRE_LOCK(base, lockvar) do { \ EVLOCK_LOCK((base)->lockvar, 0); \ } while (0) /** Unlock an event_base, if it is set up for locking. */ #define EVBASE_RELEASE_LOCK(base, lockvar) do { \ EVLOCK_UNLOCK((base)->lockvar, 0); \ } while (0) /** If lock debugging is enabled, and lock is non-null, assert that 'lock' is * locked and held by us. */ #define EVLOCK_ASSERT_LOCKED(lock) \ do { \ if ((lock) && evthread_lock_debugging_enabled_) { \ EVUTIL_ASSERT(evthread_is_debug_lock_held_(lock)); \ } \ } while (0) /** Try to grab the lock for 'lockvar' without blocking, and return 1 if we * manage to get it. */ static inline int EVLOCK_TRY_LOCK_(void *lock); static inline int EVLOCK_TRY_LOCK_(void *lock) { if (lock && evthread_lock_fns_.lock) { int r = evthread_lock_fns_.lock(EVTHREAD_TRY, lock); return !r; } else { /* Locking is disabled either globally or for this thing; * of course we count as having the lock. */ return 1; } } /** Allocate a new condition variable and store it in the void *, condvar */ #define EVTHREAD_ALLOC_COND(condvar) \ do { \ (condvar) = evthread_cond_fns_.alloc_condition ? \ evthread_cond_fns_.alloc_condition(0) : NULL; \ } while (0) /** Deallocate and free a condition variable in condvar */ #define EVTHREAD_FREE_COND(cond) \ do { \ if (cond) \ evthread_cond_fns_.free_condition((cond)); \ } while (0) /** Signal one thread waiting on cond */ #define EVTHREAD_COND_SIGNAL(cond) \ ( (cond) ? evthread_cond_fns_.signal_condition((cond), 0) : 0 ) /** Signal all threads waiting on cond */ #define EVTHREAD_COND_BROADCAST(cond) \ ( (cond) ? evthread_cond_fns_.signal_condition((cond), 1) : 0 ) /** Wait until the condition 'cond' is signalled. Must be called while * holding 'lock'. The lock will be released until the condition is * signalled, at which point it will be acquired again. Returns 0 for * success, -1 for failure. */ #define EVTHREAD_COND_WAIT(cond, lock) \ ( (cond) ? evthread_cond_fns_.wait_condition((cond), (lock), NULL) : 0 ) /** As EVTHREAD_COND_WAIT, but gives up after 'tv' has elapsed. Returns 1 * on timeout. */ #define EVTHREAD_COND_WAIT_TIMED(cond, lock, tv) \ ( (cond) ? evthread_cond_fns_.wait_condition((cond), (lock), (tv)) : 0 ) /** True iff locking functions have been configured. */ #define EVTHREAD_LOCKING_ENABLED() \ (evthread_lock_fns_.lock != NULL) #elif ! defined(EVENT__DISABLE_THREAD_SUPPORT) unsigned long evthreadimpl_get_id_(void); EVENT2_EXPORT_SYMBOL int evthreadimpl_is_lock_debugging_enabled_(void); EVENT2_EXPORT_SYMBOL void *evthreadimpl_lock_alloc_(unsigned locktype); EVENT2_EXPORT_SYMBOL void evthreadimpl_lock_free_(void *lock, unsigned locktype); EVENT2_EXPORT_SYMBOL int evthreadimpl_lock_lock_(unsigned mode, void *lock); EVENT2_EXPORT_SYMBOL int evthreadimpl_lock_unlock_(unsigned mode, void *lock); EVENT2_EXPORT_SYMBOL void *evthreadimpl_cond_alloc_(unsigned condtype); EVENT2_EXPORT_SYMBOL void evthreadimpl_cond_free_(void *cond); EVENT2_EXPORT_SYMBOL int evthreadimpl_cond_signal_(void *cond, int broadcast); EVENT2_EXPORT_SYMBOL int evthreadimpl_cond_wait_(void *cond, void *lock, const struct timeval *tv); int evthreadimpl_locking_enabled_(void); #define EVTHREAD_GET_ID() evthreadimpl_get_id_() #define EVBASE_IN_THREAD(base) \ ((base)->th_owner_id == evthreadimpl_get_id_()) #define EVBASE_NEED_NOTIFY(base) \ ((base)->running_loop && \ ((base)->th_owner_id != evthreadimpl_get_id_())) #define EVTHREAD_ALLOC_LOCK(lockvar, locktype) \ ((lockvar) = evthreadimpl_lock_alloc_(locktype)) #define EVTHREAD_FREE_LOCK(lockvar, locktype) \ do { \ void *lock_tmp_ = (lockvar); \ if (lock_tmp_) \ evthreadimpl_lock_free_(lock_tmp_, (locktype)); \ } while (0) /** Acquire a lock. */ #define EVLOCK_LOCK(lockvar,mode) \ do { \ if (lockvar) \ evthreadimpl_lock_lock_(mode, lockvar); \ } while (0) /** Release a lock */ #define EVLOCK_UNLOCK(lockvar,mode) \ do { \ if (lockvar) \ evthreadimpl_lock_unlock_(mode, lockvar); \ } while (0) /** Lock an event_base, if it is set up for locking. Acquires the lock in the base structure whose field is named 'lockvar'. */ #define EVBASE_ACQUIRE_LOCK(base, lockvar) do { \ EVLOCK_LOCK((base)->lockvar, 0); \ } while (0) /** Unlock an event_base, if it is set up for locking. */ #define EVBASE_RELEASE_LOCK(base, lockvar) do { \ EVLOCK_UNLOCK((base)->lockvar, 0); \ } while (0) /** If lock debugging is enabled, and lock is non-null, assert that 'lock' is * locked and held by us. */ #define EVLOCK_ASSERT_LOCKED(lock) \ do { \ if ((lock) && evthreadimpl_is_lock_debugging_enabled_()) { \ EVUTIL_ASSERT(evthread_is_debug_lock_held_(lock)); \ } \ } while (0) /** Try to grab the lock for 'lockvar' without blocking, and return 1 if we * manage to get it. */ static inline int EVLOCK_TRY_LOCK_(void *lock); static inline int EVLOCK_TRY_LOCK_(void *lock) { if (lock) { int r = evthreadimpl_lock_lock_(EVTHREAD_TRY, lock); return !r; } else { /* Locking is disabled either globally or for this thing; * of course we count as having the lock. */ return 1; } } /** Allocate a new condition variable and store it in the void *, condvar */ #define EVTHREAD_ALLOC_COND(condvar) \ do { \ (condvar) = evthreadimpl_cond_alloc_(0); \ } while (0) /** Deallocate and free a condition variable in condvar */ #define EVTHREAD_FREE_COND(cond) \ do { \ if (cond) \ evthreadimpl_cond_free_((cond)); \ } while (0) /** Signal one thread waiting on cond */ #define EVTHREAD_COND_SIGNAL(cond) \ ( (cond) ? evthreadimpl_cond_signal_((cond), 0) : 0 ) /** Signal all threads waiting on cond */ #define EVTHREAD_COND_BROADCAST(cond) \ ( (cond) ? evthreadimpl_cond_signal_((cond), 1) : 0 ) /** Wait until the condition 'cond' is signalled. Must be called while * holding 'lock'. The lock will be released until the condition is * signalled, at which point it will be acquired again. Returns 0 for * success, -1 for failure. */ #define EVTHREAD_COND_WAIT(cond, lock) \ ( (cond) ? evthreadimpl_cond_wait_((cond), (lock), NULL) : 0 ) /** As EVTHREAD_COND_WAIT, but gives up after 'tv' has elapsed. Returns 1 * on timeout. */ #define EVTHREAD_COND_WAIT_TIMED(cond, lock, tv) \ ( (cond) ? evthreadimpl_cond_wait_((cond), (lock), (tv)) : 0 ) #define EVTHREAD_LOCKING_ENABLED() \ (evthreadimpl_locking_enabled_()) #else /* EVENT__DISABLE_THREAD_SUPPORT */ #define EVTHREAD_GET_ID() 1 #define EVTHREAD_ALLOC_LOCK(lockvar, locktype) EVUTIL_NIL_STMT_ #define EVTHREAD_FREE_LOCK(lockvar, locktype) EVUTIL_NIL_STMT_ #define EVLOCK_LOCK(lockvar, mode) EVUTIL_NIL_STMT_ #define EVLOCK_UNLOCK(lockvar, mode) EVUTIL_NIL_STMT_ #define EVLOCK_LOCK2(lock1,lock2,mode1,mode2) EVUTIL_NIL_STMT_ #define EVLOCK_UNLOCK2(lock1,lock2,mode1,mode2) EVUTIL_NIL_STMT_ #define EVBASE_IN_THREAD(base) 1 #define EVBASE_NEED_NOTIFY(base) 0 #define EVBASE_ACQUIRE_LOCK(base, lock) EVUTIL_NIL_STMT_ #define EVBASE_RELEASE_LOCK(base, lock) EVUTIL_NIL_STMT_ #define EVLOCK_ASSERT_LOCKED(lock) EVUTIL_NIL_STMT_ #define EVLOCK_TRY_LOCK_(lock) 1 #define EVTHREAD_ALLOC_COND(condvar) EVUTIL_NIL_STMT_ #define EVTHREAD_FREE_COND(cond) EVUTIL_NIL_STMT_ #define EVTHREAD_COND_SIGNAL(cond) EVUTIL_NIL_STMT_ #define EVTHREAD_COND_BROADCAST(cond) EVUTIL_NIL_STMT_ #define EVTHREAD_COND_WAIT(cond, lock) EVUTIL_NIL_STMT_ #define EVTHREAD_COND_WAIT_TIMED(cond, lock, howlong) EVUTIL_NIL_STMT_ #define EVTHREAD_LOCKING_ENABLED() 0 #endif /* This code is shared between both lock impls */ #if ! defined(EVENT__DISABLE_THREAD_SUPPORT) /** Helper: put lockvar1 and lockvar2 into pointerwise ascending order. */ #define EVLOCK_SORTLOCKS_(lockvar1, lockvar2) \ do { \ if (lockvar1 && lockvar2 && lockvar1 > lockvar2) { \ void *tmp = lockvar1; \ lockvar1 = lockvar2; \ lockvar2 = tmp; \ } \ } while (0) /** Acquire both lock1 and lock2. Always allocates locks in the same order, * so that two threads locking two locks with LOCK2 will not deadlock. */ #define EVLOCK_LOCK2(lock1,lock2,mode1,mode2) \ do { \ void *lock1_tmplock_ = (lock1); \ void *lock2_tmplock_ = (lock2); \ EVLOCK_SORTLOCKS_(lock1_tmplock_,lock2_tmplock_); \ EVLOCK_LOCK(lock1_tmplock_,mode1); \ if (lock2_tmplock_ != lock1_tmplock_) \ EVLOCK_LOCK(lock2_tmplock_,mode2); \ } while (0) /** Release both lock1 and lock2. */ #define EVLOCK_UNLOCK2(lock1,lock2,mode1,mode2) \ do { \ void *lock1_tmplock_ = (lock1); \ void *lock2_tmplock_ = (lock2); \ EVLOCK_SORTLOCKS_(lock1_tmplock_,lock2_tmplock_); \ if (lock2_tmplock_ != lock1_tmplock_) \ EVLOCK_UNLOCK(lock2_tmplock_,mode2); \ EVLOCK_UNLOCK(lock1_tmplock_,mode1); \ } while (0) EVENT2_EXPORT_SYMBOL int evthread_is_debug_lock_held_(void *lock); void *evthread_debug_get_real_lock_(void *lock); void *evthread_setup_global_lock_(void *lock_, unsigned locktype, int enable_locks); #define EVTHREAD_SETUP_GLOBAL_LOCK(lockvar, locktype) \ do { \ lockvar = evthread_setup_global_lock_(lockvar, \ (locktype), enable_locks); \ if (!lockvar) { \ event_warn("Couldn't allocate %s", #lockvar); \ return -1; \ } \ } while (0); int event_global_setup_locks_(const int enable_locks); int evsig_global_setup_locks_(const int enable_locks); int evutil_global_setup_locks_(const int enable_locks); int evutil_secure_rng_global_setup_locks_(const int enable_locks); /** Return current evthread_lock_callbacks */ EVENT2_EXPORT_SYMBOL struct evthread_lock_callbacks *evthread_get_lock_callbacks(void); /** Return current evthread_condition_callbacks */ struct evthread_condition_callbacks *evthread_get_condition_callbacks(void); /** Disable locking for internal usage (like global shutdown) */ void evthreadimpl_disable_lock_debugging_(void); #endif #ifdef __cplusplus } #endif #endif /* EVTHREAD_INTERNAL_H_INCLUDED_ */ lldpd-1.0.18/libevent/event_tagging.c0000644000076400001440000003461214111362570016741 0ustar00bernatusers/* * Copyright (c) 2003-2009 Niels Provos * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_PARAM_H #include #endif #ifdef _WIN32 #define WIN32_LEAN_AND_MEAN #include #include #undef WIN32_LEAN_AND_MEAN #endif #ifdef EVENT__HAVE_SYS_IOCTL_H #include #endif #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #include #include #include #ifndef _WIN32 #include #endif #ifdef EVENT__HAVE_UNISTD_H #include #endif #include #include "event2/event.h" #include "event2/tag.h" #include "event2/buffer.h" #include "log-internal.h" #include "mm-internal.h" #include "util-internal.h" /* Here's our wire format: Stream = TaggedData* TaggedData = Tag Length Data where the integer value of 'Length' is the length of 'data'. Tag = HByte* LByte where HByte is a byte with the high bit set, and LByte is a byte with the high bit clear. The integer value of the tag is taken by concatenating the lower 7 bits from all the tags. So for example, the tag 0x66 is encoded as [66], whereas the tag 0x166 is encoded as [82 66] Length = Integer Integer = NNibbles Nibble* Padding? where NNibbles is a 4-bit value encoding the number of nibbles-1, and each Nibble is 4 bits worth of encoded integer, in big-endian order. If the total encoded integer size is an odd number of nibbles, a final padding nibble with value 0 is appended. */ EVENT2_EXPORT_SYMBOL int evtag_decode_int(ev_uint32_t *pnumber, struct evbuffer *evbuf); EVENT2_EXPORT_SYMBOL int evtag_decode_int64(ev_uint64_t *pnumber, struct evbuffer *evbuf); EVENT2_EXPORT_SYMBOL int evtag_encode_tag(struct evbuffer *evbuf, ev_uint32_t tag); EVENT2_EXPORT_SYMBOL int evtag_decode_tag(ev_uint32_t *ptag, struct evbuffer *evbuf); void evtag_init(void) { } /* * We encode integers by nibbles; the first nibble contains the number * of significant nibbles - 1; this allows us to encode up to 64-bit * integers. This function is byte-order independent. * * @param number a 32-bit unsigned integer to encode * @param data a pointer to where the data should be written. Must * have at least 5 bytes free. * @return the number of bytes written into data. */ #define ENCODE_INT_INTERNAL(data, number) do { \ int off = 1, nibbles = 0; \ \ memset(data, 0, sizeof(number)+1); \ while (number) { \ if (off & 0x1) \ data[off/2] = (data[off/2] & 0xf0) | (number & 0x0f); \ else \ data[off/2] = (data[off/2] & 0x0f) | \ ((number & 0x0f) << 4); \ number >>= 4; \ off++; \ } \ \ if (off > 2) \ nibbles = off - 2; \ \ /* Off - 1 is the number of encoded nibbles */ \ data[0] = (data[0] & 0x0f) | ((nibbles & 0x0f) << 4); \ \ return ((off + 1) / 2); \ } while (0) static inline int encode_int_internal(ev_uint8_t *data, ev_uint32_t number) { ENCODE_INT_INTERNAL(data, number); } static inline int encode_int64_internal(ev_uint8_t *data, ev_uint64_t number) { ENCODE_INT_INTERNAL(data, number); } void evtag_encode_int(struct evbuffer *evbuf, ev_uint32_t number) { ev_uint8_t data[5]; int len = encode_int_internal(data, number); evbuffer_add(evbuf, data, len); } void evtag_encode_int64(struct evbuffer *evbuf, ev_uint64_t number) { ev_uint8_t data[9]; int len = encode_int64_internal(data, number); evbuffer_add(evbuf, data, len); } /* * Support variable length encoding of tags; we use the high bit in each * octet as a continuation signal. */ int evtag_encode_tag(struct evbuffer *evbuf, ev_uint32_t tag) { int bytes = 0; ev_uint8_t data[5]; memset(data, 0, sizeof(data)); do { ev_uint8_t lower = tag & 0x7f; tag >>= 7; if (tag) lower |= 0x80; data[bytes++] = lower; } while (tag); if (evbuf != NULL) evbuffer_add(evbuf, data, bytes); return (bytes); } static int decode_tag_internal(ev_uint32_t *ptag, struct evbuffer *evbuf, int dodrain) { ev_uint32_t number = 0; size_t len = evbuffer_get_length(evbuf); ev_uint8_t *data; size_t count = 0; int shift = 0, done = 0; /* * the encoding of a number is at most one byte more than its * storage size. however, it may also be much smaller. */ data = evbuffer_pullup( evbuf, len < sizeof(number) + 1 ? len : sizeof(number) + 1); if (!data) return (-1); while (count++ < len) { ev_uint8_t lower = *data++; if (shift >= 28) { /* Make sure it fits into 32 bits */ if (shift > 28) return (-1); if ((lower & 0x7f) > 15) return (-1); } number |= (lower & (unsigned)0x7f) << shift; shift += 7; if (!(lower & 0x80)) { done = 1; break; } } if (!done) return (-1); if (dodrain) evbuffer_drain(evbuf, count); if (ptag != NULL) *ptag = number; return count > INT_MAX ? INT_MAX : (int)(count); } int evtag_decode_tag(ev_uint32_t *ptag, struct evbuffer *evbuf) { return (decode_tag_internal(ptag, evbuf, 1 /* dodrain */)); } /* * Marshal a data type, the general format is as follows: * * tag number: one byte; length: var bytes; payload: var bytes */ void evtag_marshal(struct evbuffer *evbuf, ev_uint32_t tag, const void *data, ev_uint32_t len) { evtag_encode_tag(evbuf, tag); evtag_encode_int(evbuf, len); evbuffer_add(evbuf, (void *)data, len); } void evtag_marshal_buffer(struct evbuffer *evbuf, ev_uint32_t tag, struct evbuffer *data) { evtag_encode_tag(evbuf, tag); /* XXX support more than UINT32_MAX data */ evtag_encode_int(evbuf, (ev_uint32_t)evbuffer_get_length(data)); evbuffer_add_buffer(evbuf, data); } /* Marshaling for integers */ void evtag_marshal_int(struct evbuffer *evbuf, ev_uint32_t tag, ev_uint32_t integer) { ev_uint8_t data[5]; int len = encode_int_internal(data, integer); evtag_encode_tag(evbuf, tag); evtag_encode_int(evbuf, len); evbuffer_add(evbuf, data, len); } void evtag_marshal_int64(struct evbuffer *evbuf, ev_uint32_t tag, ev_uint64_t integer) { ev_uint8_t data[9]; int len = encode_int64_internal(data, integer); evtag_encode_tag(evbuf, tag); evtag_encode_int(evbuf, len); evbuffer_add(evbuf, data, len); } void evtag_marshal_string(struct evbuffer *buf, ev_uint32_t tag, const char *string) { /* TODO support strings longer than UINT32_MAX ? */ evtag_marshal(buf, tag, string, (ev_uint32_t)strlen(string)); } void evtag_marshal_timeval(struct evbuffer *evbuf, ev_uint32_t tag, struct timeval *tv) { ev_uint8_t data[10]; int len = encode_int_internal(data, tv->tv_sec); len += encode_int_internal(data + len, tv->tv_usec); evtag_marshal(evbuf, tag, data, len); } #define DECODE_INT_INTERNAL(number, maxnibbles, pnumber, evbuf, offset) \ do { \ ev_uint8_t *data; \ ev_ssize_t len = evbuffer_get_length(evbuf) - offset; \ int nibbles = 0; \ \ if (len <= 0) \ return (-1); \ \ /* XXX(niels): faster? */ \ data = evbuffer_pullup(evbuf, offset + 1) + offset; \ if (!data) \ return (-1); \ \ nibbles = ((data[0] & 0xf0) >> 4) + 1; \ if (nibbles > maxnibbles || (nibbles >> 1) + 1 > len) \ return (-1); \ len = (nibbles >> 1) + 1; \ \ data = evbuffer_pullup(evbuf, offset + len) + offset; \ if (!data) \ return (-1); \ \ while (nibbles > 0) { \ number <<= 4; \ if (nibbles & 0x1) \ number |= data[nibbles >> 1] & 0x0f; \ else \ number |= (data[nibbles >> 1] & 0xf0) >> 4; \ nibbles--; \ } \ \ *pnumber = number; \ \ return (int)(len); \ } while (0) /* Internal: decode an integer from an evbuffer, without draining it. * Only integers up to 32-bits are supported. * * @param evbuf the buffer to read from * @param offset an index into the buffer at which we should start reading. * @param pnumber a pointer to receive the integer. * @return The length of the number as encoded, or -1 on error. */ static int decode_int_internal(ev_uint32_t *pnumber, struct evbuffer *evbuf, int offset) { ev_uint32_t number = 0; DECODE_INT_INTERNAL(number, 8, pnumber, evbuf, offset); } static int decode_int64_internal(ev_uint64_t *pnumber, struct evbuffer *evbuf, int offset) { ev_uint64_t number = 0; DECODE_INT_INTERNAL(number, 16, pnumber, evbuf, offset); } int evtag_decode_int(ev_uint32_t *pnumber, struct evbuffer *evbuf) { int res = decode_int_internal(pnumber, evbuf, 0); if (res != -1) evbuffer_drain(evbuf, res); return (res == -1 ? -1 : 0); } int evtag_decode_int64(ev_uint64_t *pnumber, struct evbuffer *evbuf) { int res = decode_int64_internal(pnumber, evbuf, 0); if (res != -1) evbuffer_drain(evbuf, res); return (res == -1 ? -1 : 0); } int evtag_peek(struct evbuffer *evbuf, ev_uint32_t *ptag) { return (decode_tag_internal(ptag, evbuf, 0 /* dodrain */)); } int evtag_peek_length(struct evbuffer *evbuf, ev_uint32_t *plength) { int res, len; len = decode_tag_internal(NULL, evbuf, 0 /* dodrain */); if (len == -1) return (-1); res = decode_int_internal(plength, evbuf, len); if (res == -1) return (-1); *plength += res + len; return (0); } int evtag_payload_length(struct evbuffer *evbuf, ev_uint32_t *plength) { int res, len; len = decode_tag_internal(NULL, evbuf, 0 /* dodrain */); if (len == -1) return (-1); res = decode_int_internal(plength, evbuf, len); if (res == -1) return (-1); return (0); } /* just unmarshals the header and returns the length of the remaining data */ int evtag_unmarshal_header(struct evbuffer *evbuf, ev_uint32_t *ptag) { ev_uint32_t len; if (decode_tag_internal(ptag, evbuf, 1 /* dodrain */) == -1) return (-1); if (evtag_decode_int(&len, evbuf) == -1) return (-1); if (evbuffer_get_length(evbuf) < len) return (-1); return (len); } int evtag_consume(struct evbuffer *evbuf) { int len; if ((len = evtag_unmarshal_header(evbuf, NULL)) == -1) return (-1); evbuffer_drain(evbuf, len); return (0); } /* Reads the data type from an event buffer */ int evtag_unmarshal(struct evbuffer *src, ev_uint32_t *ptag, struct evbuffer *dst) { int len; if ((len = evtag_unmarshal_header(src, ptag)) == -1) return (-1); if (evbuffer_add(dst, evbuffer_pullup(src, len), len) == -1) return (-1); evbuffer_drain(src, len); return (len); } /* Marshaling for integers */ int evtag_unmarshal_int(struct evbuffer *evbuf, ev_uint32_t need_tag, ev_uint32_t *pinteger) { ev_uint32_t tag; ev_uint32_t len; int result; if (decode_tag_internal(&tag, evbuf, 1 /* dodrain */) == -1) return (-1); if (need_tag != tag) return (-1); if (evtag_decode_int(&len, evbuf) == -1) return (-1); if (evbuffer_get_length(evbuf) < len) return (-1); result = decode_int_internal(pinteger, evbuf, 0); evbuffer_drain(evbuf, len); if (result < 0 || (size_t)result > len) /* XXX Should this be != rather than > ?*/ return (-1); else return result; } int evtag_unmarshal_int64(struct evbuffer *evbuf, ev_uint32_t need_tag, ev_uint64_t *pinteger) { ev_uint32_t tag; ev_uint32_t len; int result; if (decode_tag_internal(&tag, evbuf, 1 /* dodrain */) == -1) return (-1); if (need_tag != tag) return (-1); if (evtag_decode_int(&len, evbuf) == -1) return (-1); if (evbuffer_get_length(evbuf) < len) return (-1); result = decode_int64_internal(pinteger, evbuf, 0); evbuffer_drain(evbuf, len); if (result < 0 || (size_t)result > len) /* XXX Should this be != rather than > ?*/ return (-1); else return result; } /* Unmarshal a fixed length tag */ int evtag_unmarshal_fixed(struct evbuffer *src, ev_uint32_t need_tag, void *data, size_t len) { ev_uint32_t tag; int tag_len; /* Now unmarshal a tag and check that it matches the tag we want */ if ((tag_len = evtag_unmarshal_header(src, &tag)) < 0 || tag != need_tag) return (-1); if ((size_t)tag_len != len) return (-1); evbuffer_remove(src, data, len); return (0); } int evtag_unmarshal_string(struct evbuffer *evbuf, ev_uint32_t need_tag, char **pstring) { ev_uint32_t tag; int tag_len; if ((tag_len = evtag_unmarshal_header(evbuf, &tag)) == -1 || tag != need_tag) return (-1); *pstring = mm_malloc(tag_len + 1); if (*pstring == NULL) { event_warn("%s: malloc", __func__); return -1; } evbuffer_remove(evbuf, *pstring, tag_len); (*pstring)[tag_len] = '\0'; return (0); } int evtag_unmarshal_timeval(struct evbuffer *evbuf, ev_uint32_t need_tag, struct timeval *ptv) { ev_uint32_t tag; ev_uint32_t integer; int len, offset, offset2; int result = -1; if ((len = evtag_unmarshal_header(evbuf, &tag)) == -1) return (-1); if (tag != need_tag) goto done; if ((offset = decode_int_internal(&integer, evbuf, 0)) == -1) goto done; ptv->tv_sec = integer; if ((offset2 = decode_int_internal(&integer, evbuf, offset)) == -1) goto done; ptv->tv_usec = integer; if (offset + offset2 > len) /* XXX Should this be != instead of > ? */ goto done; result = 0; done: evbuffer_drain(evbuf, len); return result; } lldpd-1.0.18/libevent/buffer_iocp.c0000644000076400001440000002072514111362570016403 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @file buffer_iocp.c This module implements overlapped read and write functions for evbuffer objects on Windows. */ #include "event2/event-config.h" #include "evconfig-private.h" #include "event2/buffer.h" #include "event2/buffer_compat.h" #include "event2/util.h" #include "event2/thread.h" #include "util-internal.h" #include "evthread-internal.h" #include "evbuffer-internal.h" #include "iocp-internal.h" #include "mm-internal.h" #include #include #include #include #define MAX_WSABUFS 16 /** An evbuffer that can handle overlapped IO. */ struct evbuffer_overlapped { struct evbuffer buffer; /** The socket that we're doing overlapped IO on. */ evutil_socket_t fd; /** pending I/O type */ unsigned read_in_progress : 1; unsigned write_in_progress : 1; /** The first pinned chain in the buffer. */ struct evbuffer_chain *first_pinned; /** How many chains are pinned; how many of the fields in buffers * are we using. */ int n_buffers; WSABUF buffers[MAX_WSABUFS]; }; /** Given an evbuffer, return the correponding evbuffer structure, or NULL if * the evbuffer isn't overlapped. */ static inline struct evbuffer_overlapped * upcast_evbuffer(struct evbuffer *buf) { if (!buf || !buf->is_overlapped) return NULL; return EVUTIL_UPCAST(buf, struct evbuffer_overlapped, buffer); } /** Unpin all the chains noted as pinned in 'eo'. */ static void pin_release(struct evbuffer_overlapped *eo, unsigned flag) { int i; struct evbuffer_chain *next, *chain = eo->first_pinned; for (i = 0; i < eo->n_buffers; ++i) { EVUTIL_ASSERT(chain); next = chain->next; evbuffer_chain_unpin_(chain, flag); chain = next; } } void evbuffer_commit_read_(struct evbuffer *evbuf, ev_ssize_t nBytes) { struct evbuffer_overlapped *buf = upcast_evbuffer(evbuf); struct evbuffer_chain **chainp; size_t remaining, len; unsigned i; EVBUFFER_LOCK(evbuf); EVUTIL_ASSERT(buf->read_in_progress && !buf->write_in_progress); EVUTIL_ASSERT(nBytes >= 0); /* XXXX Can this be false? */ evbuffer_unfreeze(evbuf, 0); chainp = evbuf->last_with_datap; if (!((*chainp)->flags & EVBUFFER_MEM_PINNED_R)) chainp = &(*chainp)->next; remaining = nBytes; for (i = 0; remaining > 0 && i < (unsigned)buf->n_buffers; ++i) { EVUTIL_ASSERT(*chainp); len = buf->buffers[i].len; if (remaining < len) len = remaining; (*chainp)->off += len; evbuf->last_with_datap = chainp; remaining -= len; chainp = &(*chainp)->next; } pin_release(buf, EVBUFFER_MEM_PINNED_R); buf->read_in_progress = 0; evbuf->total_len += nBytes; evbuf->n_add_for_cb += nBytes; evbuffer_invoke_callbacks_(evbuf); evbuffer_decref_and_unlock_(evbuf); } void evbuffer_commit_write_(struct evbuffer *evbuf, ev_ssize_t nBytes) { struct evbuffer_overlapped *buf = upcast_evbuffer(evbuf); EVBUFFER_LOCK(evbuf); EVUTIL_ASSERT(buf->write_in_progress && !buf->read_in_progress); evbuffer_unfreeze(evbuf, 1); evbuffer_drain(evbuf, nBytes); pin_release(buf,EVBUFFER_MEM_PINNED_W); buf->write_in_progress = 0; evbuffer_decref_and_unlock_(evbuf); } struct evbuffer * evbuffer_overlapped_new_(evutil_socket_t fd) { struct evbuffer_overlapped *evo; evo = mm_calloc(1, sizeof(struct evbuffer_overlapped)); if (!evo) return NULL; LIST_INIT(&evo->buffer.callbacks); evo->buffer.refcnt = 1; evo->buffer.last_with_datap = &evo->buffer.first; evo->buffer.is_overlapped = 1; evo->fd = fd; return &evo->buffer; } int evbuffer_launch_write_(struct evbuffer *buf, ev_ssize_t at_most, struct event_overlapped *ol) { struct evbuffer_overlapped *buf_o = upcast_evbuffer(buf); int r = -1; int i; struct evbuffer_chain *chain; DWORD bytesSent; if (!buf) { /* No buffer, or it isn't overlapped */ return -1; } EVBUFFER_LOCK(buf); EVUTIL_ASSERT(!buf_o->read_in_progress); if (buf->freeze_start || buf_o->write_in_progress) goto done; if (!buf->total_len) { /* Nothing to write */ r = 0; goto done; } else if (at_most < 0 || (size_t)at_most > buf->total_len) { at_most = buf->total_len; } evbuffer_freeze(buf, 1); buf_o->first_pinned = NULL; buf_o->n_buffers = 0; memset(buf_o->buffers, 0, sizeof(buf_o->buffers)); chain = buf_o->first_pinned = buf->first; for (i=0; i < MAX_WSABUFS && chain; ++i, chain=chain->next) { WSABUF *b = &buf_o->buffers[i]; b->buf = (char*)( chain->buffer + chain->misalign ); evbuffer_chain_pin_(chain, EVBUFFER_MEM_PINNED_W); if ((size_t)at_most > chain->off) { /* XXXX Cast is safe for now, since win32 has no mmaped chains. But later, we need to have this add more WSAbufs if chain->off is greater than ULONG_MAX */ b->len = (unsigned long)chain->off; at_most -= chain->off; } else { b->len = (unsigned long)at_most; ++i; break; } } buf_o->n_buffers = i; evbuffer_incref_(buf); if (WSASend(buf_o->fd, buf_o->buffers, i, &bytesSent, 0, &ol->overlapped, NULL)) { int error = WSAGetLastError(); if (error != WSA_IO_PENDING) { /* An actual error. */ pin_release(buf_o, EVBUFFER_MEM_PINNED_W); evbuffer_unfreeze(buf, 1); evbuffer_free(buf); /* decref */ goto done; } } buf_o->write_in_progress = 1; r = 0; done: EVBUFFER_UNLOCK(buf); return r; } int evbuffer_launch_read_(struct evbuffer *buf, size_t at_most, struct event_overlapped *ol) { struct evbuffer_overlapped *buf_o = upcast_evbuffer(buf); int r = -1, i; int nvecs; int npin=0; struct evbuffer_chain *chain=NULL, **chainp; DWORD bytesRead; DWORD flags = 0; struct evbuffer_iovec vecs[MAX_WSABUFS]; if (!buf_o) return -1; EVBUFFER_LOCK(buf); EVUTIL_ASSERT(!buf_o->write_in_progress); if (buf->freeze_end || buf_o->read_in_progress) goto done; buf_o->first_pinned = NULL; buf_o->n_buffers = 0; memset(buf_o->buffers, 0, sizeof(buf_o->buffers)); if (evbuffer_expand_fast_(buf, at_most, MAX_WSABUFS) == -1) goto done; evbuffer_freeze(buf, 0); nvecs = evbuffer_read_setup_vecs_(buf, at_most, vecs, MAX_WSABUFS, &chainp, 1); for (i=0;ibuffers[i], &vecs[i]); } buf_o->n_buffers = nvecs; buf_o->first_pinned = chain = *chainp; npin=0; for ( ; chain; chain = chain->next) { evbuffer_chain_pin_(chain, EVBUFFER_MEM_PINNED_R); ++npin; } EVUTIL_ASSERT(npin == nvecs); evbuffer_incref_(buf); if (WSARecv(buf_o->fd, buf_o->buffers, nvecs, &bytesRead, &flags, &ol->overlapped, NULL)) { int error = WSAGetLastError(); if (error != WSA_IO_PENDING) { /* An actual error. */ pin_release(buf_o, EVBUFFER_MEM_PINNED_R); evbuffer_unfreeze(buf, 0); evbuffer_free(buf); /* decref */ goto done; } } buf_o->read_in_progress = 1; r = 0; done: EVBUFFER_UNLOCK(buf); return r; } evutil_socket_t evbuffer_overlapped_get_fd_(struct evbuffer *buf) { struct evbuffer_overlapped *buf_o = upcast_evbuffer(buf); return buf_o ? buf_o->fd : -1; } void evbuffer_overlapped_set_fd_(struct evbuffer *buf, evutil_socket_t fd) { struct evbuffer_overlapped *buf_o = upcast_evbuffer(buf); EVBUFFER_LOCK(buf); /* XXX is this right?, should it cancel current I/O operations? */ if (buf_o) buf_o->fd = fd; EVBUFFER_UNLOCK(buf); } lldpd-1.0.18/libevent/include/0000755000076400001440000000000014550773325015404 5ustar00bernatuserslldpd-1.0.18/libevent/include/evutil.h0000644000076400001440000000336614111362571017063 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT1_EVUTIL_H_INCLUDED_ #define EVENT1_EVUTIL_H_INCLUDED_ /** @file evutil.h Utility and compatibility functions for Libevent. The header is deprecated in Libevent 2.0 and later; please use instead. */ #include #endif /* EVENT1_EVUTIL_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/0000755000076400001440000000000014550773325016607 5ustar00bernatuserslldpd-1.0.18/libevent/include/event2/util.h0000644000076400001440000007135414111362573017737 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_UTIL_H_INCLUDED_ #define EVENT2_UTIL_H_INCLUDED_ /** @file event2/util.h Common convenience functions for cross-platform portability and related socket manipulations. */ #include #ifdef __cplusplus extern "C" { #endif #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #ifdef EVENT__HAVE_STDINT_H #include #elif defined(EVENT__HAVE_INTTYPES_H) #include #endif #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_STDDEF_H #include #endif #ifdef _MSC_VER #include #endif #include #ifdef EVENT__HAVE_NETDB_H #include #endif #ifdef _WIN32 #include #ifdef EVENT__HAVE_GETADDRINFO /* for EAI_* definitions. */ #include #endif #else #ifdef EVENT__HAVE_ERRNO_H #include #endif #include #endif #include /* Some openbsd autoconf versions get the name of this macro wrong. */ #if defined(EVENT__SIZEOF_VOID__) && !defined(EVENT__SIZEOF_VOID_P) #define EVENT__SIZEOF_VOID_P EVENT__SIZEOF_VOID__ #endif /** * @name Standard integer types. * * Integer type definitions for types that are supposed to be defined in the * C99-specified stdint.h. Shamefully, some platforms do not include * stdint.h, so we need to replace it. (If you are on a platform like this, * your C headers are now over 10 years out of date. You should bug them to * do something about this.) * * We define: * *
*
ev_uint64_t, ev_uint32_t, ev_uint16_t, ev_uint8_t
*
unsigned integer types of exactly 64, 32, 16, and 8 bits * respectively.
*
ev_int64_t, ev_int32_t, ev_int16_t, ev_int8_t
*
signed integer types of exactly 64, 32, 16, and 8 bits * respectively.
*
ev_uintptr_t, ev_intptr_t
*
unsigned/signed integers large enough * to hold a pointer without loss of bits.
*
ev_ssize_t
*
A signed type of the same size as size_t
*
ev_off_t
*
A signed type typically used to represent offsets within a * (potentially large) file
* * @{ */ #ifdef EVENT__HAVE_UINT64_T #define ev_uint64_t uint64_t #define ev_int64_t int64_t #elif defined(_WIN32) #define ev_uint64_t unsigned __int64 #define ev_int64_t signed __int64 #elif EVENT__SIZEOF_LONG_LONG == 8 #define ev_uint64_t unsigned long long #define ev_int64_t long long #elif EVENT__SIZEOF_LONG == 8 #define ev_uint64_t unsigned long #define ev_int64_t long #elif defined(EVENT_IN_DOXYGEN_) #define ev_uint64_t ... #define ev_int64_t ... #else #error "No way to define ev_uint64_t" #endif #ifdef EVENT__HAVE_UINT32_T #define ev_uint32_t uint32_t #define ev_int32_t int32_t #elif defined(_WIN32) #define ev_uint32_t unsigned int #define ev_int32_t signed int #elif EVENT__SIZEOF_LONG == 4 #define ev_uint32_t unsigned long #define ev_int32_t signed long #elif EVENT__SIZEOF_INT == 4 #define ev_uint32_t unsigned int #define ev_int32_t signed int #elif defined(EVENT_IN_DOXYGEN_) #define ev_uint32_t ... #define ev_int32_t ... #else #error "No way to define ev_uint32_t" #endif #ifdef EVENT__HAVE_UINT16_T #define ev_uint16_t uint16_t #define ev_int16_t int16_t #elif defined(_WIN32) #define ev_uint16_t unsigned short #define ev_int16_t signed short #elif EVENT__SIZEOF_INT == 2 #define ev_uint16_t unsigned int #define ev_int16_t signed int #elif EVENT__SIZEOF_SHORT == 2 #define ev_uint16_t unsigned short #define ev_int16_t signed short #elif defined(EVENT_IN_DOXYGEN_) #define ev_uint16_t ... #define ev_int16_t ... #else #error "No way to define ev_uint16_t" #endif #ifdef EVENT__HAVE_UINT8_T #define ev_uint8_t uint8_t #define ev_int8_t int8_t #elif defined(EVENT_IN_DOXYGEN_) #define ev_uint8_t ... #define ev_int8_t ... #else #define ev_uint8_t unsigned char #define ev_int8_t signed char #endif #ifdef EVENT__HAVE_UINTPTR_T #define ev_uintptr_t uintptr_t #define ev_intptr_t intptr_t #elif EVENT__SIZEOF_VOID_P <= 4 #define ev_uintptr_t ev_uint32_t #define ev_intptr_t ev_int32_t #elif EVENT__SIZEOF_VOID_P <= 8 #define ev_uintptr_t ev_uint64_t #define ev_intptr_t ev_int64_t #elif defined(EVENT_IN_DOXYGEN_) #define ev_uintptr_t ... #define ev_intptr_t ... #else #error "No way to define ev_uintptr_t" #endif #ifdef EVENT__ssize_t #define ev_ssize_t EVENT__ssize_t #else #define ev_ssize_t ssize_t #endif /* Note that we define ev_off_t based on the compile-time size of off_t that * we used to build Libevent, and not based on the current size of off_t. * (For example, we don't define ev_off_t to off_t.). We do this because * some systems let you build your software with different off_t sizes * at runtime, and so putting in any dependency on off_t would risk API * mismatch. */ #ifdef _WIN32 #define ev_off_t ev_int64_t #elif EVENT__SIZEOF_OFF_T == 8 #define ev_off_t ev_int64_t #elif EVENT__SIZEOF_OFF_T == 4 #define ev_off_t ev_int32_t #elif defined(EVENT_IN_DOXYGEN_) #define ev_off_t ... #else #define ev_off_t off_t #endif /**@}*/ /* Limits for integer types. We're making two assumptions here: - The compiler does constant folding properly. - The platform does signed arithmetic in two's complement. */ /** @name Limits for integer types These macros hold the largest or smallest values possible for the ev_[u]int*_t types. @{ */ #ifndef EVENT__HAVE_STDINT_H #define EV_UINT64_MAX ((((ev_uint64_t)0xffffffffUL) << 32) | 0xffffffffUL) #define EV_INT64_MAX ((((ev_int64_t) 0x7fffffffL) << 32) | 0xffffffffL) #define EV_INT64_MIN ((-EV_INT64_MAX) - 1) #define EV_UINT32_MAX ((ev_uint32_t)0xffffffffUL) #define EV_INT32_MAX ((ev_int32_t) 0x7fffffffL) #define EV_INT32_MIN ((-EV_INT32_MAX) - 1) #define EV_UINT16_MAX ((ev_uint16_t)0xffffUL) #define EV_INT16_MAX ((ev_int16_t) 0x7fffL) #define EV_INT16_MIN ((-EV_INT16_MAX) - 1) #define EV_UINT8_MAX 255 #define EV_INT8_MAX 127 #define EV_INT8_MIN ((-EV_INT8_MAX) - 1) #else #define EV_UINT64_MAX UINT64_MAX #define EV_INT64_MAX INT64_MAX #define EV_INT64_MIN INT64_MIN #define EV_UINT32_MAX UINT32_MAX #define EV_INT32_MAX INT32_MAX #define EV_INT32_MIN INT32_MIN #define EV_UINT16_MAX UINT16_MAX #define EV_INT16_MIN INT16_MIN #define EV_INT16_MAX INT16_MAX #define EV_UINT8_MAX UINT8_MAX #define EV_INT8_MAX INT8_MAX #define EV_INT8_MIN INT8_MIN /** @} */ #endif /** @name Limits for SIZE_T and SSIZE_T @{ */ #if EVENT__SIZEOF_SIZE_T == 8 #define EV_SIZE_MAX EV_UINT64_MAX #define EV_SSIZE_MAX EV_INT64_MAX #elif EVENT__SIZEOF_SIZE_T == 4 #define EV_SIZE_MAX EV_UINT32_MAX #define EV_SSIZE_MAX EV_INT32_MAX #elif defined(EVENT_IN_DOXYGEN_) #define EV_SIZE_MAX ... #define EV_SSIZE_MAX ... #else #error "No way to define SIZE_MAX" #endif #define EV_SSIZE_MIN ((-EV_SSIZE_MAX) - 1) /**@}*/ #ifdef _WIN32 #define ev_socklen_t int #elif defined(EVENT__socklen_t) #define ev_socklen_t EVENT__socklen_t #else #define ev_socklen_t socklen_t #endif #ifdef EVENT__HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY #if !defined(EVENT__HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY) \ && !defined(ss_family) #define ss_family __ss_family #endif #endif /** * A type wide enough to hold the output of "socket()" or "accept()". On * Windows, this is an intptr_t; elsewhere, it is an int. */ #ifdef _WIN32 #define evutil_socket_t intptr_t #else #define evutil_socket_t int #endif /** * Structure to hold information about a monotonic timer * * Use this with evutil_configure_monotonic_time() and * evutil_gettime_monotonic(). * * This is an opaque structure; you can allocate one using * evutil_monotonic_timer_new(). * * @see evutil_monotonic_timer_new(), evutil_monotonic_timer_free(), * evutil_configure_monotonic_time(), evutil_gettime_monotonic() */ struct evutil_monotonic_timer #ifdef EVENT_IN_DOXYGEN_ {/*Empty body so that doxygen will generate documentation here.*/} #endif ; #define EV_MONOT_PRECISE 1 #define EV_MONOT_FALLBACK 2 /** Format a date string using RFC 1123 format (used in HTTP). * If `tm` is NULL, current system's time will be used. * The number of characters written will be returned. * One should check if the return value is smaller than `datelen` to check if * the result is truncated or not. */ EVENT2_EXPORT_SYMBOL int evutil_date_rfc1123(char *date, const size_t datelen, const struct tm *tm); /** Allocate a new struct evutil_monotonic_timer for use with the * evutil_configure_monotonic_time() and evutil_gettime_monotonic() * functions. You must configure the timer with * evutil_configure_monotonic_time() before using it. */ EVENT2_EXPORT_SYMBOL struct evutil_monotonic_timer * evutil_monotonic_timer_new(void); /** Free a struct evutil_monotonic_timer that was allocated using * evutil_monotonic_timer_new(). */ EVENT2_EXPORT_SYMBOL void evutil_monotonic_timer_free(struct evutil_monotonic_timer *timer); /** Set up a struct evutil_monotonic_timer; flags can include * EV_MONOT_PRECISE and EV_MONOT_FALLBACK. */ EVENT2_EXPORT_SYMBOL int evutil_configure_monotonic_time(struct evutil_monotonic_timer *timer, int flags); /** Query the current monotonic time from a struct evutil_monotonic_timer * previously configured with evutil_configure_monotonic_time(). Monotonic * time is guaranteed never to run in reverse, but is not necessarily epoch- * based, or relative to any other definite point. Use it to make reliable * measurements of elapsed time between events even when the system time * may be changed. * * It is not safe to use this funtion on the same timer from multiple * threads. */ EVENT2_EXPORT_SYMBOL int evutil_gettime_monotonic(struct evutil_monotonic_timer *timer, struct timeval *tp); /** Create two new sockets that are connected to each other. On Unix, this simply calls socketpair(). On Windows, it uses the loopback network interface on 127.0.0.1, and only AF_INET,SOCK_STREAM are supported. (This may fail on some Windows hosts where firewall software has cleverly decided to keep 127.0.0.1 from talking to itself.) Parameters and return values are as for socketpair() */ EVENT2_EXPORT_SYMBOL int evutil_socketpair(int d, int type, int protocol, evutil_socket_t sv[2]); /** Do platform-specific operations as needed to make a socket nonblocking. @param sock The socket to make nonblocking @return 0 on success, -1 on failure */ EVENT2_EXPORT_SYMBOL int evutil_make_socket_nonblocking(evutil_socket_t sock); /** Do platform-specific operations to make a listener socket reusable. Specifically, we want to make sure that another program will be able to bind this address right after we've closed the listener. This differs from Windows's interpretation of "reusable", which allows multiple listeners to bind the same address at the same time. @param sock The socket to make reusable @return 0 on success, -1 on failure */ EVENT2_EXPORT_SYMBOL int evutil_make_listen_socket_reuseable(evutil_socket_t sock); /** Do platform-specific operations to make a listener port reusable. Specifically, we want to make sure that multiple programs which also set the same socket option will be able to bind, listen at the same time. This is a feature available only to Linux 3.9+ @param sock The socket to make reusable @return 0 on success, -1 on failure */ EVENT2_EXPORT_SYMBOL int evutil_make_listen_socket_reuseable_port(evutil_socket_t sock); /** Set ipv6 only bind socket option to make listener work only in ipv6 sockets. According to RFC3493 and most Linux distributions, default value for the sockets is to work in IPv4-mapped mode. In IPv4-mapped mode, it is not possible to bind same port from different IPv4 and IPv6 handlers. @param sock The socket to make in ipv6only working mode @return 0 on success, -1 on failure */ EVENT2_EXPORT_SYMBOL int evutil_make_listen_socket_ipv6only(evutil_socket_t sock); /** Do platform-specific operations as needed to close a socket upon a successful execution of one of the exec*() functions. @param sock The socket to be closed @return 0 on success, -1 on failure */ EVENT2_EXPORT_SYMBOL int evutil_make_socket_closeonexec(evutil_socket_t sock); /** Do the platform-specific call needed to close a socket returned from socket() or accept(). @param sock The socket to be closed @return 0 on success (whether the operation is supported or not), -1 on failure */ EVENT2_EXPORT_SYMBOL int evutil_closesocket(evutil_socket_t sock); #define EVUTIL_CLOSESOCKET(s) evutil_closesocket(s) /** Do platform-specific operations, if possible, to make a tcp listener * socket defer accept()s until there is data to read. * * Not all platforms support this. You don't want to do this for every * listener socket: only the ones that implement a protocol where the * client transmits before the server needs to respond. * * @param sock The listening socket to to make deferred * @return 0 on success (whether the operation is supported or not), * -1 on failure */ EVENT2_EXPORT_SYMBOL int evutil_make_tcp_listen_socket_deferred(evutil_socket_t sock); #ifdef _WIN32 /** Return the most recent socket error. Not idempotent on all platforms. */ #define EVUTIL_SOCKET_ERROR() WSAGetLastError() /** Replace the most recent socket error with errcode */ #define EVUTIL_SET_SOCKET_ERROR(errcode) \ do { WSASetLastError(errcode); } while (0) /** Return the most recent socket error to occur on sock. */ EVENT2_EXPORT_SYMBOL int evutil_socket_geterror(evutil_socket_t sock); /** Convert a socket error to a string. */ EVENT2_EXPORT_SYMBOL const char *evutil_socket_error_to_string(int errcode); #define EVUTIL_INVALID_SOCKET INVALID_SOCKET #elif defined(EVENT_IN_DOXYGEN_) /** @name Socket error functions These functions are needed for making programs compatible between Windows and Unix-like platforms. You see, Winsock handles socket errors differently from the rest of the world. Elsewhere, a socket error is like any other error and is stored in errno. But winsock functions require you to retrieve the error with a special function, and don't let you use strerror for the error codes. And handling EWOULDBLOCK is ... different. @{ */ /** Return the most recent socket error. Not idempotent on all platforms. */ #define EVUTIL_SOCKET_ERROR() ... /** Replace the most recent socket error with errcode */ #define EVUTIL_SET_SOCKET_ERROR(errcode) ... /** Return the most recent socket error to occur on sock. */ #define evutil_socket_geterror(sock) ... /** Convert a socket error to a string. */ #define evutil_socket_error_to_string(errcode) ... #define EVUTIL_INVALID_SOCKET -1 /**@}*/ #else /** !EVENT_IN_DOXYGEN_ && !_WIN32 */ #define EVUTIL_SOCKET_ERROR() (errno) #define EVUTIL_SET_SOCKET_ERROR(errcode) \ do { errno = (errcode); } while (0) #define evutil_socket_geterror(sock) (errno) #define evutil_socket_error_to_string(errcode) (strerror(errcode)) #define EVUTIL_INVALID_SOCKET -1 #endif /** !_WIN32 */ /** * @name Manipulation macros for struct timeval. * * We define replacements * for timeradd, timersub, timerclear, timercmp, and timerisset. * * @{ */ #ifdef EVENT__HAVE_TIMERADD #define evutil_timeradd(tvp, uvp, vvp) timeradd((tvp), (uvp), (vvp)) #define evutil_timersub(tvp, uvp, vvp) timersub((tvp), (uvp), (vvp)) #else #define evutil_timeradd(tvp, uvp, vvp) \ do { \ (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ if ((vvp)->tv_usec >= 1000000) { \ (vvp)->tv_sec++; \ (vvp)->tv_usec -= 1000000; \ } \ } while (0) #define evutil_timersub(tvp, uvp, vvp) \ do { \ (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ if ((vvp)->tv_usec < 0) { \ (vvp)->tv_sec--; \ (vvp)->tv_usec += 1000000; \ } \ } while (0) #endif /* !EVENT__HAVE_TIMERADD */ #ifdef EVENT__HAVE_TIMERCLEAR #define evutil_timerclear(tvp) timerclear(tvp) #else #define evutil_timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 #endif /**@}*/ /** Return true iff the tvp is related to uvp according to the relational * operator cmp. Recognized values for cmp are ==, <=, <, >=, and >. */ #define evutil_timercmp(tvp, uvp, cmp) \ (((tvp)->tv_sec == (uvp)->tv_sec) ? \ ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ ((tvp)->tv_sec cmp (uvp)->tv_sec)) #ifdef EVENT__HAVE_TIMERISSET #define evutil_timerisset(tvp) timerisset(tvp) #else #define evutil_timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) #endif /** Replacement for offsetof on platforms that don't define it. */ #ifdef offsetof #define evutil_offsetof(type, field) offsetof(type, field) #else #define evutil_offsetof(type, field) ((off_t)(&((type *)0)->field)) #endif /* big-int related functions */ /** Parse a 64-bit value from a string. Arguments are as for strtol. */ EVENT2_EXPORT_SYMBOL ev_int64_t evutil_strtoll(const char *s, char **endptr, int base); /** Replacement for gettimeofday on platforms that lack it. */ #ifdef EVENT__HAVE_GETTIMEOFDAY #define evutil_gettimeofday(tv, tz) gettimeofday((tv), (tz)) #else struct timezone; EVENT2_EXPORT_SYMBOL int evutil_gettimeofday(struct timeval *tv, struct timezone *tz); #endif /** Replacement for snprintf to get consistent behavior on platforms for which the return value of snprintf does not conform to C99. */ EVENT2_EXPORT_SYMBOL int evutil_snprintf(char *buf, size_t buflen, const char *format, ...) #ifdef __GNUC__ __attribute__((format(printf, 3, 4))) #endif ; /** Replacement for vsnprintf to get consistent behavior on platforms for which the return value of snprintf does not conform to C99. */ EVENT2_EXPORT_SYMBOL int evutil_vsnprintf(char *buf, size_t buflen, const char *format, va_list ap) #ifdef __GNUC__ __attribute__((format(printf, 3, 0))) #endif ; /** Replacement for inet_ntop for platforms which lack it. */ EVENT2_EXPORT_SYMBOL const char *evutil_inet_ntop(int af, const void *src, char *dst, size_t len); /** Variation of inet_pton that also parses IPv6 scopes. Public for unit tests. No reason to call this directly. */ EVENT2_EXPORT_SYMBOL int evutil_inet_pton_scope(int af, const char *src, void *dst, unsigned *indexp); /** Replacement for inet_pton for platforms which lack it. */ EVENT2_EXPORT_SYMBOL int evutil_inet_pton(int af, const char *src, void *dst); struct sockaddr; /** Parse an IPv4 or IPv6 address, with optional port, from a string. Recognized formats are: - [IPv6Address]:port - [IPv6Address] - IPv6Address - IPv4Address:port - IPv4Address If no port is specified, the port in the output is set to 0. @param str The string to parse. @param out A struct sockaddr to hold the result. This should probably be a struct sockaddr_storage. @param outlen A pointer to the number of bytes that that 'out' can safely hold. Set to the number of bytes used in 'out' on success. @return -1 if the address is not well-formed, if the port is out of range, or if out is not large enough to hold the result. Otherwise returns 0 on success. */ EVENT2_EXPORT_SYMBOL int evutil_parse_sockaddr_port(const char *str, struct sockaddr *out, int *outlen); /** Compare two sockaddrs; return 0 if they are equal, or less than 0 if sa1 * preceeds sa2, or greater than 0 if sa1 follows sa2. If include_port is * true, consider the port as well as the address. Only implemented for * AF_INET and AF_INET6 addresses. The ordering is not guaranteed to remain * the same between Libevent versions. */ EVENT2_EXPORT_SYMBOL int evutil_sockaddr_cmp(const struct sockaddr *sa1, const struct sockaddr *sa2, int include_port); /** As strcasecmp, but always compares the characters in locale-independent ASCII. That's useful if you're handling data in ASCII-based protocols. */ EVENT2_EXPORT_SYMBOL int evutil_ascii_strcasecmp(const char *str1, const char *str2); /** As strncasecmp, but always compares the characters in locale-independent ASCII. That's useful if you're handling data in ASCII-based protocols. */ EVENT2_EXPORT_SYMBOL int evutil_ascii_strncasecmp(const char *str1, const char *str2, size_t n); /* Here we define evutil_addrinfo to the native addrinfo type, or redefine it * if this system has no getaddrinfo(). */ #ifdef EVENT__HAVE_STRUCT_ADDRINFO #define evutil_addrinfo addrinfo #else /** A definition of struct addrinfo for systems that lack it. (This is just an alias for struct addrinfo if the system defines struct addrinfo.) */ struct evutil_addrinfo { int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */ int ai_family; /* PF_xxx */ int ai_socktype; /* SOCK_xxx */ int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ size_t ai_addrlen; /* length of ai_addr */ char *ai_canonname; /* canonical name for nodename */ struct sockaddr *ai_addr; /* binary address */ struct evutil_addrinfo *ai_next; /* next structure in linked list */ }; #endif /** @name evutil_getaddrinfo() error codes These values are possible error codes for evutil_getaddrinfo() and related functions. @{ */ #if defined(EAI_ADDRFAMILY) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_ADDRFAMILY EAI_ADDRFAMILY #else #define EVUTIL_EAI_ADDRFAMILY -901 #endif #if defined(EAI_AGAIN) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_AGAIN EAI_AGAIN #else #define EVUTIL_EAI_AGAIN -902 #endif #if defined(EAI_BADFLAGS) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_BADFLAGS EAI_BADFLAGS #else #define EVUTIL_EAI_BADFLAGS -903 #endif #if defined(EAI_FAIL) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_FAIL EAI_FAIL #else #define EVUTIL_EAI_FAIL -904 #endif #if defined(EAI_FAMILY) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_FAMILY EAI_FAMILY #else #define EVUTIL_EAI_FAMILY -905 #endif #if defined(EAI_MEMORY) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_MEMORY EAI_MEMORY #else #define EVUTIL_EAI_MEMORY -906 #endif /* This test is a bit complicated, since some MS SDKs decide to * remove NODATA or redefine it to be the same as NONAME, in a * fun interpretation of RFC 2553 and RFC 3493. */ #if defined(EAI_NODATA) && defined(EVENT__HAVE_GETADDRINFO) && (!defined(EAI_NONAME) || EAI_NODATA != EAI_NONAME) #define EVUTIL_EAI_NODATA EAI_NODATA #else #define EVUTIL_EAI_NODATA -907 #endif #if defined(EAI_NONAME) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_NONAME EAI_NONAME #else #define EVUTIL_EAI_NONAME -908 #endif #if defined(EAI_SERVICE) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_SERVICE EAI_SERVICE #else #define EVUTIL_EAI_SERVICE -909 #endif #if defined(EAI_SOCKTYPE) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_SOCKTYPE EAI_SOCKTYPE #else #define EVUTIL_EAI_SOCKTYPE -910 #endif #if defined(EAI_SYSTEM) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_SYSTEM EAI_SYSTEM #else #define EVUTIL_EAI_SYSTEM -911 #endif #define EVUTIL_EAI_CANCEL -90001 #if defined(AI_PASSIVE) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_PASSIVE AI_PASSIVE #else #define EVUTIL_AI_PASSIVE 0x1000 #endif #if defined(AI_CANONNAME) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_CANONNAME AI_CANONNAME #else #define EVUTIL_AI_CANONNAME 0x2000 #endif #if defined(AI_NUMERICHOST) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_NUMERICHOST AI_NUMERICHOST #else #define EVUTIL_AI_NUMERICHOST 0x4000 #endif #if defined(AI_NUMERICSERV) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_NUMERICSERV AI_NUMERICSERV #else #define EVUTIL_AI_NUMERICSERV 0x8000 #endif #if defined(AI_V4MAPPED) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_V4MAPPED AI_V4MAPPED #else #define EVUTIL_AI_V4MAPPED 0x10000 #endif #if defined(AI_ALL) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_ALL AI_ALL #else #define EVUTIL_AI_ALL 0x20000 #endif #if defined(AI_ADDRCONFIG) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_ADDRCONFIG AI_ADDRCONFIG #else #define EVUTIL_AI_ADDRCONFIG 0x40000 #endif /**@}*/ struct evutil_addrinfo; /** * This function clones getaddrinfo for systems that don't have it. For full * details, see RFC 3493, section 6.1. * * Limitations: * - When the system has no getaddrinfo, we fall back to gethostbyname_r or * gethostbyname, with their attendant issues. * - The AI_V4MAPPED and AI_ALL flags are not currently implemented. * * For a nonblocking variant, see evdns_getaddrinfo. */ EVENT2_EXPORT_SYMBOL int evutil_getaddrinfo(const char *nodename, const char *servname, const struct evutil_addrinfo *hints_in, struct evutil_addrinfo **res); /** Release storage allocated by evutil_getaddrinfo or evdns_getaddrinfo. */ EVENT2_EXPORT_SYMBOL void evutil_freeaddrinfo(struct evutil_addrinfo *ai); EVENT2_EXPORT_SYMBOL const char *evutil_gai_strerror(int err); /** Generate n bytes of secure pseudorandom data, and store them in buf. * * Current versions of Libevent use an ARC4-based random number generator, * seeded using the platform's entropy source (/dev/urandom on Unix-like * systems; CryptGenRandom on Windows). This is not actually as secure as it * should be: ARC4 is a pretty lousy cipher, and the current implementation * provides only rudimentary prediction- and backtracking-resistance. Don't * use this for serious cryptographic applications. */ EVENT2_EXPORT_SYMBOL void evutil_secure_rng_get_bytes(void *buf, size_t n); /** * Seed the secure random number generator if needed, and return 0 on * success or -1 on failure. * * It is okay to call this function more than once; it will still return * 0 if the RNG has been successfully seeded and -1 if it can't be * seeded. * * Ordinarily you don't need to call this function from your own code; * Libevent will seed the RNG itself the first time it needs good random * numbers. You only need to call it if (a) you want to double-check * that one of the seeding methods did succeed, or (b) you plan to drop * the capability to seed (by chrooting, or dropping capabilities, or * whatever), and you want to make sure that seeding happens before your * program loses the ability to do it. */ EVENT2_EXPORT_SYMBOL int evutil_secure_rng_init(void); /** * Set a filename to use in place of /dev/urandom for seeding the secure * PRNG. Return 0 on success, -1 on failure. * * Call this function BEFORE calling any other initialization or RNG * functions. * * (This string will _NOT_ be copied internally. Do not free it while any * user of the secure RNG might be running. Don't pass anything other than a * real /dev/...random device file here, or you might lose security.) * * This API is unstable, and might change in a future libevent version. */ EVENT2_EXPORT_SYMBOL int evutil_secure_rng_set_urandom_device_file(char *fname); #if !defined(EVENT__HAVE_ARC4RANDOM) || defined(EVENT__HAVE_ARC4RANDOM_ADDRANDOM) /** Seed the random number generator with extra random bytes. You should almost never need to call this function; it should be sufficient to invoke evutil_secure_rng_init(), or let Libevent take care of calling evutil_secure_rng_init() on its own. If you call this function as a _replacement_ for the regular entropy sources, then you need to be sure that your input contains a fairly large amount of strong entropy. Doing so is notoriously hard: most people who try get it wrong. Watch out! @param dat a buffer full of a strong source of random numbers @param datlen the number of bytes to read from datlen */ EVENT2_EXPORT_SYMBOL void evutil_secure_rng_add_bytes(const char *dat, size_t datlen); #endif #ifdef __cplusplus } #endif #endif /* EVENT1_EVUTIL_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/http_compat.h0000644000076400001440000000630114111362573021272 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_HTTP_COMPAT_H_INCLUDED_ #define EVENT2_HTTP_COMPAT_H_INCLUDED_ /** @file event2/http_compat.h Potentially non-threadsafe versions of the functions in http.h: provided only for backwards compatibility. */ #ifdef __cplusplus extern "C" { #endif #include #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_TIME_H #include #endif /* For int types. */ #include /** * Start an HTTP server on the specified address and port * * @deprecated It does not allow an event base to be specified * * @param address the address to which the HTTP server should be bound * @param port the port number on which the HTTP server should listen * @return a pointer to a newly initialized evhttp server structure * or NULL on error */ EVENT2_EXPORT_SYMBOL struct evhttp *evhttp_start(const char *address, ev_uint16_t port); /** * A connection object that can be used to for making HTTP requests. The * connection object tries to establish the connection when it is given an * http request object. * * @deprecated It does not allow an event base to be specified */ EVENT2_EXPORT_SYMBOL struct evhttp_connection *evhttp_connection_new( const char *address, ev_uint16_t port); /** * Associates an event base with the connection - can only be called * on a freshly created connection object that has not been used yet. * * @deprecated XXXX Why? */ EVENT2_EXPORT_SYMBOL void evhttp_connection_set_base(struct evhttp_connection *evcon, struct event_base *base); /** Returns the request URI */ #define evhttp_request_uri evhttp_request_get_uri #ifdef __cplusplus } #endif #endif /* EVENT2_EVENT_COMPAT_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/rpc_compat.h0000644000076400001440000000445714111362573021111 0ustar00bernatusers/* * Copyright (c) 2006-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_RPC_COMPAT_H_INCLUDED_ #define EVENT2_RPC_COMPAT_H_INCLUDED_ /** @file event2/rpc_compat.h Deprecated versions of the functions in rpc.h: provided only for backwards compatibility. */ #ifdef __cplusplus extern "C" { #endif /** backwards compatible accessors that work only with gcc */ #if defined(__GNUC__) && !defined(__STRICT_ANSI__) #undef EVTAG_ASSIGN #undef EVTAG_GET #undef EVTAG_ADD #define EVTAG_ASSIGN(msg, member, args...) \ (*(msg)->base->member##_assign)(msg, ## args) #define EVTAG_GET(msg, member, args...) \ (*(msg)->base->member##_get)(msg, ## args) #define EVTAG_ADD(msg, member, args...) \ (*(msg)->base->member##_add)(msg, ## args) #endif #define EVTAG_LEN(msg, member) ((msg)->member##_length) #ifdef __cplusplus } #endif #endif /* EVENT2_EVENT_COMPAT_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/rpc.h0000644000076400001440000005240414111362573017541 0ustar00bernatusers/* * Copyright (c) 2006-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_RPC_H_INCLUDED_ #define EVENT2_RPC_H_INCLUDED_ /* For int types. */ #include #include #ifdef __cplusplus extern "C" { #endif /** @file rpc.h * * This header files provides basic support for an RPC server and client. * * To support RPCs in a server, every supported RPC command needs to be * defined and registered. * * EVRPC_HEADER(SendCommand, Request, Reply); * * SendCommand is the name of the RPC command. * Request is the name of a structure generated by event_rpcgen.py. * It contains all parameters relating to the SendCommand RPC. The * server needs to fill in the Reply structure. * Reply is the name of a structure generated by event_rpcgen.py. It * contains the answer to the RPC. * * To register an RPC with an HTTP server, you need to first create an RPC * base with: * * struct evrpc_base *base = evrpc_init(http); * * A specific RPC can then be registered with * * EVRPC_REGISTER(base, SendCommand, Request, Reply, FunctionCB, arg); * * when the server receives an appropriately formatted RPC, the user callback * is invoked. The callback needs to fill in the reply structure. * * void FunctionCB(EVRPC_STRUCT(SendCommand)* rpc, void *arg); * * To send the reply, call EVRPC_REQUEST_DONE(rpc); * * See the regression test for an example. */ /** Determines if the member has been set in the message @param msg the message to inspect @param member the member variable to test for presences @return 1 if it's present or 0 otherwise. */ #define EVTAG_HAS(msg, member) \ ((msg)->member##_set == 1) #ifndef EVENT2_RPC_COMPAT_H_INCLUDED_ /** Assigns a value to the member in the message. @param msg the message to which to assign a value @param member the name of the member variable @param value the value to assign */ #define EVTAG_ASSIGN(msg, member, value) \ (*(msg)->base->member##_assign)((msg), (value)) /** Assigns a value to the member in the message. @param msg the message to which to assign a value @param member the name of the member variable @param value the value to assign @param len the length of the value */ #define EVTAG_ASSIGN_WITH_LEN(msg, member, value, len) \ (*(msg)->base->member##_assign)((msg), (value), (len)) /** Returns the value for a member. @param msg the message from which to get the value @param member the name of the member variable @param pvalue a pointer to the variable to hold the value @return 0 on success, -1 otherwise. */ #define EVTAG_GET(msg, member, pvalue) \ (*(msg)->base->member##_get)((msg), (pvalue)) /** Returns the value for a member. @param msg the message from which to get the value @param member the name of the member variable @param pvalue a pointer to the variable to hold the value @param plen a pointer to the length of the value @return 0 on success, -1 otherwise. */ #define EVTAG_GET_WITH_LEN(msg, member, pvalue, plen) \ (*(msg)->base->member##_get)((msg), (pvalue), (plen)) #endif /* EVENT2_RPC_COMPAT_H_INCLUDED_ */ /** Adds a value to an array. */ #define EVTAG_ARRAY_ADD_VALUE(msg, member, value) \ (*(msg)->base->member##_add)((msg), (value)) /** Allocates a new entry in the array and returns it. */ #define EVTAG_ARRAY_ADD(msg, member) \ (*(msg)->base->member##_add)(msg) /** Gets a variable at the specified offset from the array. */ #define EVTAG_ARRAY_GET(msg, member, offset, pvalue) \ (*(msg)->base->member##_get)((msg), (offset), (pvalue)) /** Returns the number of entries in the array. */ #define EVTAG_ARRAY_LEN(msg, member) ((msg)->member##_length) struct evbuffer; struct event_base; struct evrpc_req_generic; struct evrpc_request_wrapper; struct evrpc; /** The type of a specific RPC Message * * @param rpcname the name of the RPC message */ #define EVRPC_STRUCT(rpcname) struct evrpc_req__##rpcname struct evhttp_request; struct evrpc_status; struct evrpc_hook_meta; /** Creates the definitions and prototypes for an RPC * * You need to use EVRPC_HEADER to create structures and function prototypes * needed by the server and client implementation. The structures have to be * defined in an .rpc file and converted to source code via event_rpcgen.py * * @param rpcname the name of the RPC * @param reqstruct the name of the RPC request structure * @param replystruct the name of the RPC reply structure * @see EVRPC_GENERATE() */ #define EVRPC_HEADER(rpcname, reqstruct, rplystruct) \ EVRPC_STRUCT(rpcname) { \ struct evrpc_hook_meta *hook_meta; \ struct reqstruct* request; \ struct rplystruct* reply; \ struct evrpc* rpc; \ struct evhttp_request* http_req; \ struct evbuffer* rpc_data; \ }; \ EVENT2_EXPORT_SYMBOL \ int evrpc_send_request_##rpcname(struct evrpc_pool *, \ struct reqstruct *, struct rplystruct *, \ void (*)(struct evrpc_status *, \ struct reqstruct *, struct rplystruct *, void *cbarg), \ void *); struct evrpc_pool; /** use EVRPC_GENERATE instead */ EVENT2_EXPORT_SYMBOL struct evrpc_request_wrapper *evrpc_make_request_ctx( struct evrpc_pool *pool, void *request, void *reply, const char *rpcname, void (*req_marshal)(struct evbuffer*, void *), void (*rpl_clear)(void *), int (*rpl_unmarshal)(void *, struct evbuffer *), void (*cb)(struct evrpc_status *, void *, void *, void *), void *cbarg); /** Creates a context structure that contains rpc specific information. * * EVRPC_MAKE_CTX is used to populate a RPC specific context that * contains information about marshaling the RPC data types. * * @param rpcname the name of the RPC * @param reqstruct the name of the RPC request structure * @param replystruct the name of the RPC reply structure * @param pool the evrpc_pool over which to make the request * @param request a pointer to the RPC request structure object * @param reply a pointer to the RPC reply structure object * @param cb the callback function to call when the RPC has completed * @param cbarg the argument to supply to the callback */ #define EVRPC_MAKE_CTX(rpcname, reqstruct, rplystruct, \ pool, request, reply, cb, cbarg) \ evrpc_make_request_ctx(pool, request, reply, \ #rpcname, \ (void (*)(struct evbuffer *, void *))reqstruct##_marshal, \ (void (*)(void *))rplystruct##_clear, \ (int (*)(void *, struct evbuffer *))rplystruct##_unmarshal, \ (void (*)(struct evrpc_status *, void *, void *, void *))cb, \ cbarg) /** Generates the code for receiving and sending an RPC message * * EVRPC_GENERATE is used to create the code corresponding to sending * and receiving a particular RPC message * * @param rpcname the name of the RPC * @param reqstruct the name of the RPC request structure * @param replystruct the name of the RPC reply structure * @see EVRPC_HEADER() */ #define EVRPC_GENERATE(rpcname, reqstruct, rplystruct) \ int evrpc_send_request_##rpcname(struct evrpc_pool *pool, \ struct reqstruct *request, struct rplystruct *reply, \ void (*cb)(struct evrpc_status *, \ struct reqstruct *, struct rplystruct *, void *cbarg), \ void *cbarg) { \ return evrpc_send_request_generic(pool, request, reply, \ (void (*)(struct evrpc_status *, void *, void *, void *))cb, \ cbarg, \ #rpcname, \ (void (*)(struct evbuffer *, void *))reqstruct##_marshal, \ (void (*)(void *))rplystruct##_clear, \ (int (*)(void *, struct evbuffer *))rplystruct##_unmarshal); \ } /** Provides access to the HTTP request object underlying an RPC * * Access to the underlying http object; can be used to look at headers or * for getting the remote ip address * * @param rpc_req the rpc request structure provided to the server callback * @return an struct evhttp_request object that can be inspected for * HTTP headers or sender information. */ #define EVRPC_REQUEST_HTTP(rpc_req) (rpc_req)->http_req /** completes the server response to an rpc request */ EVENT2_EXPORT_SYMBOL void evrpc_request_done(struct evrpc_req_generic *req); /** accessors for request and reply */ EVENT2_EXPORT_SYMBOL void *evrpc_get_request(struct evrpc_req_generic *req); EVENT2_EXPORT_SYMBOL void *evrpc_get_reply(struct evrpc_req_generic *req); /** Creates the reply to an RPC request * * EVRPC_REQUEST_DONE is used to answer a request; the reply is expected * to have been filled in. The request and reply pointers become invalid * after this call has finished. * * @param rpc_req the rpc request structure provided to the server callback */ #define EVRPC_REQUEST_DONE(rpc_req) do { \ struct evrpc_req_generic *req_ = (struct evrpc_req_generic *)(rpc_req); \ evrpc_request_done(req_); \ } while (0) struct evrpc_base; struct evhttp; /* functions to start up the rpc system */ /** Creates a new rpc base from which RPC requests can be received * * @param server a pointer to an existing HTTP server * @return a newly allocated evrpc_base struct or NULL if an error occurred * @see evrpc_free() */ EVENT2_EXPORT_SYMBOL struct evrpc_base *evrpc_init(struct evhttp *server); /** * Frees the evrpc base * * For now, you are responsible for making sure that no rpcs are ongoing. * * @param base the evrpc_base object to be freed * @see evrpc_init */ EVENT2_EXPORT_SYMBOL void evrpc_free(struct evrpc_base *base); /** register RPCs with the HTTP Server * * registers a new RPC with the HTTP server, each RPC needs to have * a unique name under which it can be identified. * * @param base the evrpc_base structure in which the RPC should be * registered. * @param name the name of the RPC * @param request the name of the RPC request structure * @param reply the name of the RPC reply structure * @param callback the callback that should be invoked when the RPC * is received. The callback has the following prototype * void (*callback)(EVRPC_STRUCT(Message)* rpc, void *arg) * @param cbarg an additional parameter that can be passed to the callback. * The parameter can be used to carry around state. */ #define EVRPC_REGISTER(base, name, request, reply, callback, cbarg) \ evrpc_register_generic(base, #name, \ (void (*)(struct evrpc_req_generic *, void *))callback, cbarg, \ (void *(*)(void *))request##_new_with_arg, NULL, \ (void (*)(void *))request##_free, \ (int (*)(void *, struct evbuffer *))request##_unmarshal, \ (void *(*)(void *))reply##_new_with_arg, NULL, \ (void (*)(void *))reply##_free, \ (int (*)(void *))reply##_complete, \ (void (*)(struct evbuffer *, void *))reply##_marshal) /** Low level function for registering an RPC with a server. Use EVRPC_REGISTER() instead. @see EVRPC_REGISTER() */ EVENT2_EXPORT_SYMBOL int evrpc_register_rpc(struct evrpc_base *, struct evrpc *, void (*)(struct evrpc_req_generic*, void *), void *); /** * Unregisters an already registered RPC * * @param base the evrpc_base object from which to unregister an RPC * @param name the name of the rpc to unregister * @return -1 on error or 0 when successful. * @see EVRPC_REGISTER() */ #define EVRPC_UNREGISTER(base, name) evrpc_unregister_rpc((base), #name) EVENT2_EXPORT_SYMBOL int evrpc_unregister_rpc(struct evrpc_base *base, const char *name); /* * Client-side RPC support */ struct evhttp_connection; struct evrpc_status; /** launches an RPC and sends it to the server * * EVRPC_MAKE_REQUEST() is used by the client to send an RPC to the server. * * @param name the name of the RPC * @param pool the evrpc_pool that contains the connection objects over which * the request should be sent. * @param request a pointer to the RPC request structure - it contains the * data to be sent to the server. * @param reply a pointer to the RPC reply structure. It is going to be filled * if the request was answered successfully * @param cb the callback to invoke when the RPC request has been answered * @param cbarg an additional argument to be passed to the client * @return 0 on success, -1 on failure */ #define EVRPC_MAKE_REQUEST(name, pool, request, reply, cb, cbarg) \ evrpc_send_request_##name((pool), (request), (reply), (cb), (cbarg)) /** Makes an RPC request based on the provided context. This is a low-level function and should not be used directly unless a custom context object is provided. Use EVRPC_MAKE_REQUEST() instead. @param ctx a context from EVRPC_MAKE_CTX() @returns 0 on success, -1 otherwise. @see EVRPC_MAKE_REQUEST(), EVRPC_MAKE_CTX() */ EVENT2_EXPORT_SYMBOL int evrpc_make_request(struct evrpc_request_wrapper *ctx); /** creates an rpc connection pool * * a pool has a number of connections associated with it. * rpc requests are always made via a pool. * * @param base a pointer to an struct event_based object; can be left NULL * in singled-threaded applications * @return a newly allocated struct evrpc_pool object or NULL if an error * occurred * @see evrpc_pool_free() */ EVENT2_EXPORT_SYMBOL struct evrpc_pool *evrpc_pool_new(struct event_base *base); /** frees an rpc connection pool * * @param pool a pointer to an evrpc_pool allocated via evrpc_pool_new() * @see evrpc_pool_new() */ EVENT2_EXPORT_SYMBOL void evrpc_pool_free(struct evrpc_pool *pool); /** * Adds a connection over which rpc can be dispatched to the pool. * * The connection object must have been newly created. * * @param pool the pool to which to add the connection * @param evcon the connection to add to the pool. */ EVENT2_EXPORT_SYMBOL void evrpc_pool_add_connection(struct evrpc_pool *pool, struct evhttp_connection *evcon); /** * Removes a connection from the pool. * * The connection object must have been newly created. * * @param pool the pool from which to remove the connection * @param evcon the connection to remove from the pool. */ EVENT2_EXPORT_SYMBOL void evrpc_pool_remove_connection(struct evrpc_pool *pool, struct evhttp_connection *evcon); /** * Sets the timeout in secs after which a request has to complete. The * RPC is completely aborted if it does not complete by then. Setting * the timeout to 0 means that it never timeouts and can be used to * implement callback type RPCs. * * Any connection already in the pool will be updated with the new * timeout. Connections added to the pool after set_timeout has be * called receive the pool timeout only if no timeout has been set * for the connection itself. * * @param pool a pointer to a struct evrpc_pool object * @param timeout_in_secs the number of seconds after which a request should * timeout and a failure be returned to the callback. */ EVENT2_EXPORT_SYMBOL void evrpc_pool_set_timeout(struct evrpc_pool *pool, int timeout_in_secs); /** * Hooks for changing the input and output of RPCs; this can be used to * implement compression, authentication, encryption, ... */ enum EVRPC_HOOK_TYPE { EVRPC_INPUT, /**< apply the function to an input hook */ EVRPC_OUTPUT /**< apply the function to an output hook */ }; #ifndef _WIN32 /** Deprecated alias for EVRPC_INPUT. Not available on windows, where it * conflicts with platform headers. */ #define INPUT EVRPC_INPUT /** Deprecated alias for EVRPC_OUTPUT. Not available on windows, where it * conflicts with platform headers. */ #define OUTPUT EVRPC_OUTPUT #endif /** * Return value from hook processing functions */ enum EVRPC_HOOK_RESULT { EVRPC_TERMINATE = -1, /**< indicates the rpc should be terminated */ EVRPC_CONTINUE = 0, /**< continue processing the rpc */ EVRPC_PAUSE = 1 /**< pause processing request until resumed */ }; /** adds a processing hook to either an rpc base or rpc pool * * If a hook returns TERMINATE, the processing is aborted. On CONTINUE, * the request is immediately processed after the hook returns. If the * hook returns PAUSE, request processing stops until evrpc_resume_request() * has been called. * * The add functions return handles that can be used for removing hooks. * * @param vbase a pointer to either struct evrpc_base or struct evrpc_pool * @param hook_type either INPUT or OUTPUT * @param cb the callback to call when the hook is activated * @param cb_arg an additional argument for the callback * @return a handle to the hook so it can be removed later * @see evrpc_remove_hook() */ EVENT2_EXPORT_SYMBOL void *evrpc_add_hook(void *vbase, enum EVRPC_HOOK_TYPE hook_type, int (*cb)(void *, struct evhttp_request *, struct evbuffer *, void *), void *cb_arg); /** removes a previously added hook * * @param vbase a pointer to either struct evrpc_base or struct evrpc_pool * @param hook_type either INPUT or OUTPUT * @param handle a handle returned by evrpc_add_hook() * @return 1 on success or 0 on failure * @see evrpc_add_hook() */ EVENT2_EXPORT_SYMBOL int evrpc_remove_hook(void *vbase, enum EVRPC_HOOK_TYPE hook_type, void *handle); /** resume a paused request * * @param vbase a pointer to either struct evrpc_base or struct evrpc_pool * @param ctx the context pointer provided to the original hook call */ EVENT2_EXPORT_SYMBOL int evrpc_resume_request(void *vbase, void *ctx, enum EVRPC_HOOK_RESULT res); /** adds meta data to request * * evrpc_hook_add_meta() allows hooks to add meta data to a request. for * a client request, the meta data can be inserted by an outgoing request hook * and retrieved by the incoming request hook. * * @param ctx the context provided to the hook call * @param key a NUL-terminated c-string * @param data the data to be associated with the key * @param data_size the size of the data */ EVENT2_EXPORT_SYMBOL void evrpc_hook_add_meta(void *ctx, const char *key, const void *data, size_t data_size); /** retrieves meta data previously associated * * evrpc_hook_find_meta() can be used to retrieve meta data associated to a * request by a previous hook. * @param ctx the context provided to the hook call * @param key a NUL-terminated c-string * @param data pointer to a data pointer that will contain the retrieved data * @param data_size pointer to the size of the data * @return 0 on success or -1 on failure */ EVENT2_EXPORT_SYMBOL int evrpc_hook_find_meta(void *ctx, const char *key, void **data, size_t *data_size); /** * returns the connection object associated with the request * * @param ctx the context provided to the hook call * @return a pointer to the evhttp_connection object or NULL if an error * occurred */ EVENT2_EXPORT_SYMBOL struct evhttp_connection *evrpc_hook_get_connection(void *ctx); /** Function for sending a generic RPC request. Do not call this function directly, use EVRPC_MAKE_REQUEST() instead. @see EVRPC_MAKE_REQUEST() */ EVENT2_EXPORT_SYMBOL int evrpc_send_request_generic(struct evrpc_pool *pool, void *request, void *reply, void (*cb)(struct evrpc_status *, void *, void *, void *), void *cb_arg, const char *rpcname, void (*req_marshal)(struct evbuffer *, void *), void (*rpl_clear)(void *), int (*rpl_unmarshal)(void *, struct evbuffer *)); /** Function for registering a generic RPC with the RPC base. Do not call this function directly, use EVRPC_REGISTER() instead. @see EVRPC_REGISTER() */ EVENT2_EXPORT_SYMBOL int evrpc_register_generic(struct evrpc_base *base, const char *name, void (*callback)(struct evrpc_req_generic *, void *), void *cbarg, void *(*req_new)(void *), void *req_new_arg, void (*req_free)(void *), int (*req_unmarshal)(void *, struct evbuffer *), void *(*rpl_new)(void *), void *rpl_new_arg, void (*rpl_free)(void *), int (*rpl_complete)(void *), void (*rpl_marshal)(struct evbuffer *, void *)); /** accessors for obscure and undocumented functionality */ EVENT2_EXPORT_SYMBOL struct evrpc_pool* evrpc_request_get_pool(struct evrpc_request_wrapper *ctx); EVENT2_EXPORT_SYMBOL void evrpc_request_set_pool(struct evrpc_request_wrapper *ctx, struct evrpc_pool *pool); EVENT2_EXPORT_SYMBOL void evrpc_request_set_cb(struct evrpc_request_wrapper *ctx, void (*cb)(struct evrpc_status*, void *request, void *reply, void *arg), void *cb_arg); #ifdef __cplusplus } #endif #endif /* EVENT2_RPC_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/dns_struct.h0000644000076400001440000000504414111362573021143 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_DNS_STRUCT_H_INCLUDED_ #define EVENT2_DNS_STRUCT_H_INCLUDED_ /** @file event2/dns_struct.h Data structures for dns. Using these structures may hurt forward compatibility with later versions of Libevent: be careful! */ #ifdef __cplusplus extern "C" { #endif #include #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_TIME_H #include #endif /* For int types. */ #include /* * Structures used to implement a DNS server. */ struct evdns_server_request { int flags; int nquestions; struct evdns_server_question **questions; }; struct evdns_server_question { int type; #ifdef __cplusplus int dns_question_class; #else /* You should refer to this field as "dns_question_class". The * name "class" works in C for backward compatibility, and will be * removed in a future version. (1.5 or later). */ int class; #define dns_question_class class #endif char name[1]; }; #ifdef __cplusplus } #endif #endif /* EVENT2_DNS_STRUCT_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/visibility.h0000644000076400001440000000546714111362573021153 0ustar00bernatusers/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */ /* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_VISIBILITY_H_INCLUDED_ #define EVENT2_VISIBILITY_H_INCLUDED_ #include #if defined(event_shared_EXPORTS) || \ defined(event_extra_shared_EXPORTS) || \ defined(event_core_shared_EXPORTS) || \ defined(event_pthreads_shared_EXPORTS) || \ defined(event_openssl_shared_EXPORTS) # if defined (__SUNPRO_C) && (__SUNPRO_C >= 0x550) # define EVENT2_EXPORT_SYMBOL __global # elif defined __GNUC__ # define EVENT2_EXPORT_SYMBOL __attribute__ ((visibility("default"))) # elif defined(_MSC_VER) # define EVENT2_EXPORT_SYMBOL __declspec(dllexport) # else # define EVENT2_EXPORT_SYMBOL /* unknown compiler */ # endif #else /* event_*_EXPORTS */ # define EVENT2_EXPORT_SYMBOL #endif /* event_*_EXPORTS */ /** We need to dllimport event_debug_logging_mask_ into event_extra */ #if defined(_MSC_VER) # if defined(event_core_shared_EXPORTS) /** from core export */ # define EVENT2_CORE_EXPORT_SYMBOL __declspec(dllexport) # elif defined(event_extra_shared_EXPORTS) || /** from extra import */ \ defined(EVENT_VISIBILITY_WANT_DLLIMPORT) # define EVENT2_CORE_EXPORT_SYMBOL __declspec(dllimport) # endif #endif /* _MSC_VER */ #if !defined(EVENT2_CORE_EXPORT_SYMBOL) # define EVENT2_CORE_EXPORT_SYMBOL EVENT2_EXPORT_SYMBOL #endif #endif /* EVENT2_VISIBILITY_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/bufferevent_struct.h0000644000076400001440000001004714111362573022671 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_BUFFEREVENT_STRUCT_H_INCLUDED_ #define EVENT2_BUFFEREVENT_STRUCT_H_INCLUDED_ /** @file event2/bufferevent_struct.h Data structures for bufferevents. Using these structures may hurt forward compatibility with later versions of Libevent: be careful! @deprecated Use of bufferevent_struct.h is completely deprecated; these structures are only exposed for backward compatibility with programs written before Libevent 2.0 that used them. */ #ifdef __cplusplus extern "C" { #endif #include #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_TIME_H #include #endif /* For int types. */ #include /* For struct event */ #include struct event_watermark { size_t low; size_t high; }; /** Shared implementation of a bufferevent. This type is exposed only because it was exposed in previous versions, and some people's code may rely on manipulating it. Otherwise, you should really not rely on the layout, size, or contents of this structure: it is fairly volatile, and WILL change in future versions of the code. **/ struct bufferevent { /** Event base for which this bufferevent was created. */ struct event_base *ev_base; /** Pointer to a table of function pointers to set up how this bufferevent behaves. */ const struct bufferevent_ops *be_ops; /** A read event that triggers when a timeout has happened or a socket is ready to read data. Only used by some subtypes of bufferevent. */ struct event ev_read; /** A write event that triggers when a timeout has happened or a socket is ready to write data. Only used by some subtypes of bufferevent. */ struct event ev_write; /** An input buffer. Only the bufferevent is allowed to add data to this buffer, though the user is allowed to drain it. */ struct evbuffer *input; /** An input buffer. Only the bufferevent is allowed to drain data from this buffer, though the user is allowed to add it. */ struct evbuffer *output; struct event_watermark wm_read; struct event_watermark wm_write; bufferevent_data_cb readcb; bufferevent_data_cb writecb; /* This should be called 'eventcb', but renaming it would break * backward compatibility */ bufferevent_event_cb errorcb; void *cbarg; struct timeval timeout_read; struct timeval timeout_write; /** Events that are currently enabled: currently EV_READ and EV_WRITE are supported. */ short enabled; }; #ifdef __cplusplus } #endif #endif /* EVENT2_BUFFEREVENT_STRUCT_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/dns_compat.h0000644000076400001440000003045414111362573021105 0ustar00bernatusers/* * Copyright (c) 2006-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_DNS_COMPAT_H_INCLUDED_ #define EVENT2_DNS_COMPAT_H_INCLUDED_ /** @file event2/dns_compat.h Potentially non-threadsafe versions of the functions in dns.h: provided only for backwards compatibility. */ #ifdef __cplusplus extern "C" { #endif #include #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_TIME_H #include #endif /* For int types. */ #include #include /** Initialize the asynchronous DNS library. This function initializes support for non-blocking name resolution by calling evdns_resolv_conf_parse() on UNIX and evdns_config_windows_nameservers() on Windows. @deprecated This function is deprecated because it always uses the current event base, and is easily confused by multiple calls to event_init(), and so is not safe for multithreaded use. Additionally, it allocates a global structure that only one thread can use. The replacement is evdns_base_new(). @return 0 if successful, or -1 if an error occurred @see evdns_shutdown() */ EVENT2_EXPORT_SYMBOL int evdns_init(void); struct evdns_base; /** Return the global evdns_base created by event_init() and used by the other deprecated functions. @deprecated This function is deprecated because use of the global evdns_base is error-prone. */ EVENT2_EXPORT_SYMBOL struct evdns_base *evdns_get_global_base(void); /** Shut down the asynchronous DNS resolver and terminate all active requests. If the 'fail_requests' option is enabled, all active requests will return an empty result with the error flag set to DNS_ERR_SHUTDOWN. Otherwise, the requests will be silently discarded. @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_shutdown(). @param fail_requests if zero, active requests will be aborted; if non-zero, active requests will return DNS_ERR_SHUTDOWN. @see evdns_init() */ EVENT2_EXPORT_SYMBOL void evdns_shutdown(int fail_requests); /** Add a nameserver. The address should be an IPv4 address in network byte order. The type of address is chosen so that it matches in_addr.s_addr. @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_nameserver_add(). @param address an IP address in network byte order @return 0 if successful, or -1 if an error occurred @see evdns_nameserver_ip_add() */ EVENT2_EXPORT_SYMBOL int evdns_nameserver_add(unsigned long int address); /** Get the number of configured nameservers. This returns the number of configured nameservers (not necessarily the number of running nameservers). This is useful for double-checking whether our calls to the various nameserver configuration functions have been successful. @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_count_nameservers(). @return the number of configured nameservers @see evdns_nameserver_add() */ EVENT2_EXPORT_SYMBOL int evdns_count_nameservers(void); /** Remove all configured nameservers, and suspend all pending resolves. Resolves will not necessarily be re-attempted until evdns_resume() is called. @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_clear_nameservers_and_suspend(). @return 0 if successful, or -1 if an error occurred @see evdns_resume() */ EVENT2_EXPORT_SYMBOL int evdns_clear_nameservers_and_suspend(void); /** Resume normal operation and continue any suspended resolve requests. Re-attempt resolves left in limbo after an earlier call to evdns_clear_nameservers_and_suspend(). @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_resume(). @return 0 if successful, or -1 if an error occurred @see evdns_clear_nameservers_and_suspend() */ EVENT2_EXPORT_SYMBOL int evdns_resume(void); /** Add a nameserver. This wraps the evdns_nameserver_add() function by parsing a string as an IP address and adds it as a nameserver. @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_nameserver_ip_add(). @return 0 if successful, or -1 if an error occurred @see evdns_nameserver_add() */ EVENT2_EXPORT_SYMBOL int evdns_nameserver_ip_add(const char *ip_as_string); /** Lookup an A record for a given name. @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_resolve_ipv4(). @param name a DNS hostname @param flags either 0, or DNS_QUERY_NO_SEARCH to disable searching for this query. @param callback a callback function to invoke when the request is completed @param ptr an argument to pass to the callback function @return 0 if successful, or -1 if an error occurred @see evdns_resolve_ipv6(), evdns_resolve_reverse(), evdns_resolve_reverse_ipv6() */ EVENT2_EXPORT_SYMBOL int evdns_resolve_ipv4(const char *name, int flags, evdns_callback_type callback, void *ptr); /** Lookup an AAAA record for a given name. @param name a DNS hostname @param flags either 0, or DNS_QUERY_NO_SEARCH to disable searching for this query. @param callback a callback function to invoke when the request is completed @param ptr an argument to pass to the callback function @return 0 if successful, or -1 if an error occurred @see evdns_resolve_ipv4(), evdns_resolve_reverse(), evdns_resolve_reverse_ipv6() */ EVENT2_EXPORT_SYMBOL int evdns_resolve_ipv6(const char *name, int flags, evdns_callback_type callback, void *ptr); struct in_addr; struct in6_addr; /** Lookup a PTR record for a given IP address. @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_resolve_reverse(). @param in an IPv4 address @param flags either 0, or DNS_QUERY_NO_SEARCH to disable searching for this query. @param callback a callback function to invoke when the request is completed @param ptr an argument to pass to the callback function @return 0 if successful, or -1 if an error occurred @see evdns_resolve_reverse_ipv6() */ EVENT2_EXPORT_SYMBOL int evdns_resolve_reverse(const struct in_addr *in, int flags, evdns_callback_type callback, void *ptr); /** Lookup a PTR record for a given IPv6 address. @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_resolve_reverse_ipv6(). @param in an IPv6 address @param flags either 0, or DNS_QUERY_NO_SEARCH to disable searching for this query. @param callback a callback function to invoke when the request is completed @param ptr an argument to pass to the callback function @return 0 if successful, or -1 if an error occurred @see evdns_resolve_reverse_ipv6() */ EVENT2_EXPORT_SYMBOL int evdns_resolve_reverse_ipv6(const struct in6_addr *in, int flags, evdns_callback_type callback, void *ptr); /** Set the value of a configuration option. The currently available configuration options are: ndots, timeout, max-timeouts, max-inflight, and attempts @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_set_option(). @param option the name of the configuration option to be modified @param val the value to be set @param flags Ignored. @return 0 if successful, or -1 if an error occurred */ EVENT2_EXPORT_SYMBOL int evdns_set_option(const char *option, const char *val, int flags); /** Parse a resolv.conf file. The 'flags' parameter determines what information is parsed from the resolv.conf file. See the man page for resolv.conf for the format of this file. The following directives are not parsed from the file: sortlist, rotate, no-check-names, inet6, debug. If this function encounters an error, the possible return values are: 1 = failed to open file, 2 = failed to stat file, 3 = file too large, 4 = out of memory, 5 = short read from file, 6 = no nameservers listed in the file @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_resolv_conf_parse(). @param flags any of DNS_OPTION_NAMESERVERS|DNS_OPTION_SEARCH|DNS_OPTION_MISC| DNS_OPTIONS_ALL @param filename the path to the resolv.conf file @return 0 if successful, or various positive error codes if an error occurred (see above) @see resolv.conf(3), evdns_config_windows_nameservers() */ EVENT2_EXPORT_SYMBOL int evdns_resolv_conf_parse(int flags, const char *const filename); /** Clear the list of search domains. @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_search_clear(). */ EVENT2_EXPORT_SYMBOL void evdns_search_clear(void); /** Add a domain to the list of search domains @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_search_add(). @param domain the domain to be added to the search list */ EVENT2_EXPORT_SYMBOL void evdns_search_add(const char *domain); /** Set the 'ndots' parameter for searches. Sets the number of dots which, when found in a name, causes the first query to be without any search domain. @deprecated This function is deprecated because it does not allow the caller to specify which evdns_base it applies to. The recommended function is evdns_base_search_ndots_set(). @param ndots the new ndots parameter */ EVENT2_EXPORT_SYMBOL void evdns_search_ndots_set(const int ndots); /** As evdns_server_new_with_base. @deprecated This function is deprecated because it does not allow the caller to specify which even_base it uses. The recommended function is evdns_add_server_port_with_base(). */ EVENT2_EXPORT_SYMBOL struct evdns_server_port * evdns_add_server_port(evutil_socket_t socket, int flags, evdns_request_callback_fn_type callback, void *user_data); #ifdef _WIN32 EVENT2_EXPORT_SYMBOL int evdns_config_windows_nameservers(void); #define EVDNS_CONFIG_WINDOWS_NAMESERVERS_IMPLEMENTED #endif #ifdef __cplusplus } #endif #endif /* EVENT2_EVENT_COMPAT_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/event_struct.h0000644000076400001440000001164014111362573021477 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_EVENT_STRUCT_H_INCLUDED_ #define EVENT2_EVENT_STRUCT_H_INCLUDED_ /** @file event2/event_struct.h Structures used by event.h. Using these structures directly WILL harm forward compatibility: be careful. No field declared in this file should be used directly in user code. Except for historical reasons, these fields would not be exposed at all. */ #ifdef __cplusplus extern "C" { #endif #include #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_TIME_H #include #endif /* For int types. */ #include /* For evkeyvalq */ #include #define EVLIST_TIMEOUT 0x01 #define EVLIST_INSERTED 0x02 #define EVLIST_SIGNAL 0x04 #define EVLIST_ACTIVE 0x08 #define EVLIST_INTERNAL 0x10 #define EVLIST_ACTIVE_LATER 0x20 #define EVLIST_FINALIZING 0x40 #define EVLIST_INIT 0x80 #define EVLIST_ALL 0xff /* Fix so that people don't have to run with */ #ifndef TAILQ_ENTRY #define EVENT_DEFINED_TQENTRY_ #define TAILQ_ENTRY(type) \ struct { \ struct type *tqe_next; /* next element */ \ struct type **tqe_prev; /* address of previous next element */ \ } #endif /* !TAILQ_ENTRY */ #ifndef TAILQ_HEAD #define EVENT_DEFINED_TQHEAD_ #define TAILQ_HEAD(name, type) \ struct name { \ struct type *tqh_first; \ struct type **tqh_last; \ } #endif /* Fix so that people don't have to run with */ #ifndef LIST_ENTRY #define EVENT_DEFINED_LISTENTRY_ #define LIST_ENTRY(type) \ struct { \ struct type *le_next; /* next element */ \ struct type **le_prev; /* address of previous next element */ \ } #endif /* !LIST_ENTRY */ #ifndef LIST_HEAD #define EVENT_DEFINED_LISTHEAD_ #define LIST_HEAD(name, type) \ struct name { \ struct type *lh_first; /* first element */ \ } #endif /* !LIST_HEAD */ struct event; struct event_callback { TAILQ_ENTRY(event_callback) evcb_active_next; short evcb_flags; ev_uint8_t evcb_pri; /* smaller numbers are higher priority */ ev_uint8_t evcb_closure; /* allows us to adopt for different types of events */ union { void (*evcb_callback)(evutil_socket_t, short, void *); void (*evcb_selfcb)(struct event_callback *, void *); void (*evcb_evfinalize)(struct event *, void *); void (*evcb_cbfinalize)(struct event_callback *, void *); } evcb_cb_union; void *evcb_arg; }; struct event_base; struct event { struct event_callback ev_evcallback; /* for managing timeouts */ union { TAILQ_ENTRY(event) ev_next_with_common_timeout; int min_heap_idx; } ev_timeout_pos; evutil_socket_t ev_fd; struct event_base *ev_base; union { /* used for io events */ struct { LIST_ENTRY (event) ev_io_next; struct timeval ev_timeout; } ev_io; /* used by signal events */ struct { LIST_ENTRY (event) ev_signal_next; short ev_ncalls; /* Allows deletes in callback */ short *ev_pncalls; } ev_signal; } ev_; short ev_events; short ev_res; /* result passed to event callback */ struct timeval ev_timeout; }; TAILQ_HEAD (event_list, event); #ifdef EVENT_DEFINED_TQENTRY_ #undef TAILQ_ENTRY #endif #ifdef EVENT_DEFINED_TQHEAD_ #undef TAILQ_HEAD #endif LIST_HEAD (event_dlist, event); #ifdef EVENT_DEFINED_LISTENTRY_ #undef LIST_ENTRY #endif #ifdef EVENT_DEFINED_LISTHEAD_ #undef LIST_HEAD #endif #ifdef __cplusplus } #endif #endif /* EVENT2_EVENT_STRUCT_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/listener.h0000644000076400001440000001746714111362573020614 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_LISTENER_H_INCLUDED_ #define EVENT2_LISTENER_H_INCLUDED_ #include #ifdef __cplusplus extern "C" { #endif #include struct sockaddr; struct evconnlistener; /** A callback that we invoke when a listener has a new connection. @param listener The evconnlistener @param fd The new file descriptor @param addr The source address of the connection @param socklen The length of addr @param user_arg the pointer passed to evconnlistener_new() */ typedef void (*evconnlistener_cb)(struct evconnlistener *, evutil_socket_t, struct sockaddr *, int socklen, void *); /** A callback that we invoke when a listener encounters a non-retriable error. @param listener The evconnlistener @param user_arg the pointer passed to evconnlistener_new() */ typedef void (*evconnlistener_errorcb)(struct evconnlistener *, void *); /** Flag: Indicates that we should not make incoming sockets nonblocking * before passing them to the callback. */ #define LEV_OPT_LEAVE_SOCKETS_BLOCKING (1u<<0) /** Flag: Indicates that freeing the listener should close the underlying * socket. */ #define LEV_OPT_CLOSE_ON_FREE (1u<<1) /** Flag: Indicates that we should set the close-on-exec flag, if possible */ #define LEV_OPT_CLOSE_ON_EXEC (1u<<2) /** Flag: Indicates that we should disable the timeout (if any) between when * this socket is closed and when we can listen again on the same port. */ #define LEV_OPT_REUSEABLE (1u<<3) /** Flag: Indicates that the listener should be locked so it's safe to use * from multiple threadcs at once. */ #define LEV_OPT_THREADSAFE (1u<<4) /** Flag: Indicates that the listener should be created in disabled * state. Use evconnlistener_enable() to enable it later. */ #define LEV_OPT_DISABLED (1u<<5) /** Flag: Indicates that the listener should defer accept() until data is * available, if possible. Ignored on platforms that do not support this. * * This option can help performance for protocols where the client transmits * immediately after connecting. Do not use this option if your protocol * _doesn't_ start out with the client transmitting data, since in that case * this option will sometimes cause the kernel to never tell you about the * connection. * * This option is only supported by evconnlistener_new_bind(): it can't * work with evconnlistener_new_fd(), since the listener needs to be told * to use the option before it is actually bound. */ #define LEV_OPT_DEFERRED_ACCEPT (1u<<6) /** Flag: Indicates that we ask to allow multiple servers (processes or * threads) to bind to the same port if they each set the option. * * SO_REUSEPORT is what most people would expect SO_REUSEADDR to be, however * SO_REUSEPORT does not imply SO_REUSEADDR. * * This is only available on Linux and kernel 3.9+ */ #define LEV_OPT_REUSEABLE_PORT (1u<<7) /** Flag: Indicates that the listener wants to work only in IPv6 socket. * * According to RFC3493 and most Linux distributions, default value is to * work in IPv4-mapped mode. If there is a requirement to bind same port * on same ip addresses but different handlers for both IPv4 and IPv6, * it is required to set IPV6_V6ONLY socket option to be sure that the * code works as expected without affected by bindv6only sysctl setting in * system. * * This socket option also supported by Windows. */ #define LEV_OPT_BIND_IPV6ONLY (1u<<8) /** Allocate a new evconnlistener object to listen for incoming TCP connections on a given file descriptor. @param base The event base to associate the listener with. @param cb A callback to be invoked when a new connection arrives. If the callback is NULL, the listener will be treated as disabled until the callback is set. @param ptr A user-supplied pointer to give to the callback. @param flags Any number of LEV_OPT_* flags @param backlog Passed to the listen() call to determine the length of the acceptable connection backlog. Set to -1 for a reasonable default. Set to 0 if the socket is already listening. @param fd The file descriptor to listen on. It must be a nonblocking file descriptor, and it should already be bound to an appropriate port and address. */ EVENT2_EXPORT_SYMBOL struct evconnlistener *evconnlistener_new(struct event_base *base, evconnlistener_cb cb, void *ptr, unsigned flags, int backlog, evutil_socket_t fd); /** Allocate a new evconnlistener object to listen for incoming TCP connections on a given address. @param base The event base to associate the listener with. @param cb A callback to be invoked when a new connection arrives. If the callback is NULL, the listener will be treated as disabled until the callback is set. @param ptr A user-supplied pointer to give to the callback. @param flags Any number of LEV_OPT_* flags @param backlog Passed to the listen() call to determine the length of the acceptable connection backlog. Set to -1 for a reasonable default. @param addr The address to listen for connections on. @param socklen The length of the address. */ EVENT2_EXPORT_SYMBOL struct evconnlistener *evconnlistener_new_bind(struct event_base *base, evconnlistener_cb cb, void *ptr, unsigned flags, int backlog, const struct sockaddr *sa, int socklen); /** Disable and deallocate an evconnlistener. */ EVENT2_EXPORT_SYMBOL void evconnlistener_free(struct evconnlistener *lev); /** Re-enable an evconnlistener that has been disabled. */ EVENT2_EXPORT_SYMBOL int evconnlistener_enable(struct evconnlistener *lev); /** Stop listening for connections on an evconnlistener. */ EVENT2_EXPORT_SYMBOL int evconnlistener_disable(struct evconnlistener *lev); /** Return an evconnlistener's associated event_base. */ EVENT2_EXPORT_SYMBOL struct event_base *evconnlistener_get_base(struct evconnlistener *lev); /** Return the socket that an evconnlistner is listening on. */ EVENT2_EXPORT_SYMBOL evutil_socket_t evconnlistener_get_fd(struct evconnlistener *lev); /** Change the callback on the listener to cb and its user_data to arg. */ EVENT2_EXPORT_SYMBOL void evconnlistener_set_cb(struct evconnlistener *lev, evconnlistener_cb cb, void *arg); /** Set an evconnlistener's error callback. */ EVENT2_EXPORT_SYMBOL void evconnlistener_set_error_cb(struct evconnlistener *lev, evconnlistener_errorcb errorcb); #ifdef __cplusplus } #endif #endif lldpd-1.0.18/libevent/include/event2/bufferevent.h0000644000076400001440000010357314111362573021274 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_BUFFEREVENT_H_INCLUDED_ #define EVENT2_BUFFEREVENT_H_INCLUDED_ /** @file event2/bufferevent.h Functions for buffering data for network sending or receiving. Bufferevents are higher level than evbuffers: each has an underlying evbuffer for reading and one for writing, and callbacks that are invoked under certain circumstances. A bufferevent provides input and output buffers that get filled and drained automatically. The user of a bufferevent no longer deals directly with the I/O, but instead is reading from input and writing to output buffers. Once initialized, the bufferevent structure can be used repeatedly with bufferevent_enable() and bufferevent_disable(). When reading is enabled, the bufferevent will try to read from the file descriptor onto its input buffer, and call the read callback. When writing is enabled, the bufferevent will try to write data onto its file descriptor when the output buffer has enough data, and call the write callback when the output buffer is sufficiently drained. Bufferevents come in several flavors, including:
Socket-based bufferevents
A bufferevent that reads and writes data onto a network socket. Created with bufferevent_socket_new().
Paired bufferevents
A pair of bufferevents that send and receive data to one another without touching the network. Created with bufferevent_pair_new().
Filtering bufferevents
A bufferevent that transforms data, and sends or receives it over another underlying bufferevent. Created with bufferevent_filter_new().
SSL-backed bufferevents
A bufferevent that uses the openssl library to send and receive data over an encrypted connection. Created with bufferevent_openssl_socket_new() or bufferevent_openssl_filter_new().
*/ #include #ifdef __cplusplus extern "C" { #endif #include #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_TIME_H #include #endif /* For int types. */ #include /** @name Bufferevent event codes These flags are passed as arguments to a bufferevent's event callback. @{ */ #define BEV_EVENT_READING 0x01 /**< error encountered while reading */ #define BEV_EVENT_WRITING 0x02 /**< error encountered while writing */ #define BEV_EVENT_EOF 0x10 /**< eof file reached */ #define BEV_EVENT_ERROR 0x20 /**< unrecoverable error encountered */ #define BEV_EVENT_TIMEOUT 0x40 /**< user-specified timeout reached */ #define BEV_EVENT_CONNECTED 0x80 /**< connect operation finished. */ /**@}*/ /** An opaque type for handling buffered IO @see event2/bufferevent.h */ struct bufferevent #ifdef EVENT_IN_DOXYGEN_ {} #endif ; struct event_base; struct evbuffer; struct sockaddr; /** A read or write callback for a bufferevent. The read callback is triggered when new data arrives in the input buffer and the amount of readable data exceed the low watermark which is 0 by default. The write callback is triggered if the write buffer has been exhausted or fell below its low watermark. @param bev the bufferevent that triggered the callback @param ctx the user-specified context for this bufferevent */ typedef void (*bufferevent_data_cb)(struct bufferevent *bev, void *ctx); /** An event/error callback for a bufferevent. The event callback is triggered if either an EOF condition or another unrecoverable error was encountered. For bufferevents with deferred callbacks, this is a bitwise OR of all errors that have happened on the bufferevent since the last callback invocation. @param bev the bufferevent for which the error condition was reached @param what a conjunction of flags: BEV_EVENT_READING or BEV_EVENT_WRITING to indicate if the error was encountered on the read or write path, and one of the following flags: BEV_EVENT_EOF, BEV_EVENT_ERROR, BEV_EVENT_TIMEOUT, BEV_EVENT_CONNECTED. @param ctx the user-specified context for this bufferevent */ typedef void (*bufferevent_event_cb)(struct bufferevent *bev, short what, void *ctx); /** Options that can be specified when creating a bufferevent */ enum bufferevent_options { /** If set, we close the underlying file * descriptor/bufferevent/whatever when this bufferevent is freed. */ BEV_OPT_CLOSE_ON_FREE = (1<<0), /** If set, and threading is enabled, operations on this bufferevent * are protected by a lock */ BEV_OPT_THREADSAFE = (1<<1), /** If set, callbacks are run deferred in the event loop. */ BEV_OPT_DEFER_CALLBACKS = (1<<2), /** If set, callbacks are executed without locks being held on the * bufferevent. This option currently requires that * BEV_OPT_DEFER_CALLBACKS also be set; a future version of Libevent * might remove the requirement.*/ BEV_OPT_UNLOCK_CALLBACKS = (1<<3) }; /** Create a new socket bufferevent over an existing socket. @param base the event base to associate with the new bufferevent. @param fd the file descriptor from which data is read and written to. This file descriptor is not allowed to be a pipe(2). It is safe to set the fd to -1, so long as you later set it with bufferevent_setfd or bufferevent_socket_connect(). @param options Zero or more BEV_OPT_* flags @return a pointer to a newly allocated bufferevent struct, or NULL if an error occurred @see bufferevent_free() */ EVENT2_EXPORT_SYMBOL struct bufferevent *bufferevent_socket_new(struct event_base *base, evutil_socket_t fd, int options); /** Launch a connect() attempt with a socket-based bufferevent. When the connect succeeds, the eventcb will be invoked with BEV_EVENT_CONNECTED set. If the bufferevent does not already have a socket set, we allocate a new socket here and make it nonblocking before we begin. If no address is provided, we assume that the socket is already connecting, and configure the bufferevent so that a BEV_EVENT_CONNECTED event will be yielded when it is done connecting. @param bufev an existing bufferevent allocated with bufferevent_socket_new(). @param addr the address we should connect to @param socklen The length of the address @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int bufferevent_socket_connect(struct bufferevent *, const struct sockaddr *, int); struct evdns_base; /** Resolve the hostname 'hostname' and connect to it as with bufferevent_socket_connect(). @param bufev An existing bufferevent allocated with bufferevent_socket_new() @param evdns_base Optionally, an evdns_base to use for resolving hostnames asynchronously. May be set to NULL for a blocking resolve. @param family A preferred address family to resolve addresses to, or AF_UNSPEC for no preference. Only AF_INET, AF_INET6, and AF_UNSPEC are supported. @param hostname The hostname to resolve; see below for notes on recognized formats @param port The port to connect to on the resolved address. @return 0 if successful, -1 on failure. Recognized hostname formats are: www.example.com (hostname) 1.2.3.4 (ipv4address) ::1 (ipv6address) [::1] ([ipv6address]) Performance note: If you do not provide an evdns_base, this function may block while it waits for a DNS response. This is probably not what you want. */ EVENT2_EXPORT_SYMBOL int bufferevent_socket_connect_hostname(struct bufferevent *, struct evdns_base *, int, const char *, int); /** Return the error code for the last failed DNS lookup attempt made by bufferevent_socket_connect_hostname(). @param bev The bufferevent object. @return DNS error code. @see evutil_gai_strerror() */ EVENT2_EXPORT_SYMBOL int bufferevent_socket_get_dns_error(struct bufferevent *bev); /** Assign a bufferevent to a specific event_base. NOTE that only socket bufferevents support this function. @param base an event_base returned by event_init() @param bufev a bufferevent struct returned by bufferevent_new() or bufferevent_socket_new() @return 0 if successful, or -1 if an error occurred @see bufferevent_new() */ EVENT2_EXPORT_SYMBOL int bufferevent_base_set(struct event_base *base, struct bufferevent *bufev); /** Return the event_base used by a bufferevent */ EVENT2_EXPORT_SYMBOL struct event_base *bufferevent_get_base(struct bufferevent *bev); /** Assign a priority to a bufferevent. Only supported for socket bufferevents. @param bufev a bufferevent struct @param pri the priority to be assigned @return 0 if successful, or -1 if an error occurred */ EVENT2_EXPORT_SYMBOL int bufferevent_priority_set(struct bufferevent *bufev, int pri); /** Return the priority of a bufferevent. Only supported for socket bufferevents */ EVENT2_EXPORT_SYMBOL int bufferevent_get_priority(const struct bufferevent *bufev); /** Deallocate the storage associated with a bufferevent structure. If there is pending data to write on the bufferevent, it probably won't be flushed before the bufferevent is freed. @param bufev the bufferevent structure to be freed. */ EVENT2_EXPORT_SYMBOL void bufferevent_free(struct bufferevent *bufev); /** Changes the callbacks for a bufferevent. @param bufev the bufferevent object for which to change callbacks @param readcb callback to invoke when there is data to be read, or NULL if no callback is desired @param writecb callback to invoke when the file descriptor is ready for writing, or NULL if no callback is desired @param eventcb callback to invoke when there is an event on the file descriptor @param cbarg an argument that will be supplied to each of the callbacks (readcb, writecb, and errorcb) @see bufferevent_new() */ EVENT2_EXPORT_SYMBOL void bufferevent_setcb(struct bufferevent *bufev, bufferevent_data_cb readcb, bufferevent_data_cb writecb, bufferevent_event_cb eventcb, void *cbarg); /** Retrieves the callbacks for a bufferevent. @param bufev the bufferevent to examine. @param readcb_ptr if readcb_ptr is nonnull, *readcb_ptr is set to the current read callback for the bufferevent. @param writecb_ptr if writecb_ptr is nonnull, *writecb_ptr is set to the current write callback for the bufferevent. @param eventcb_ptr if eventcb_ptr is nonnull, *eventcb_ptr is set to the current event callback for the bufferevent. @param cbarg_ptr if cbarg_ptr is nonnull, *cbarg_ptr is set to the current callback argument for the bufferevent. @see buffervent_setcb() */ EVENT2_EXPORT_SYMBOL void bufferevent_getcb(struct bufferevent *bufev, bufferevent_data_cb *readcb_ptr, bufferevent_data_cb *writecb_ptr, bufferevent_event_cb *eventcb_ptr, void **cbarg_ptr); /** Changes the file descriptor on which the bufferevent operates. Not supported for all bufferevent types. @param bufev the bufferevent object for which to change the file descriptor @param fd the file descriptor to operate on */ EVENT2_EXPORT_SYMBOL int bufferevent_setfd(struct bufferevent *bufev, evutil_socket_t fd); /** Returns the file descriptor associated with a bufferevent, or -1 if no file descriptor is associated with the bufferevent. */ EVENT2_EXPORT_SYMBOL evutil_socket_t bufferevent_getfd(struct bufferevent *bufev); /** Returns the underlying bufferevent associated with a bufferevent (if the bufferevent is a wrapper), or NULL if there is no underlying bufferevent. */ EVENT2_EXPORT_SYMBOL struct bufferevent *bufferevent_get_underlying(struct bufferevent *bufev); /** Write data to a bufferevent buffer. The bufferevent_write() function can be used to write data to the file descriptor. The data is appended to the output buffer and written to the descriptor automatically as it becomes available for writing. @param bufev the bufferevent to be written to @param data a pointer to the data to be written @param size the length of the data, in bytes @return 0 if successful, or -1 if an error occurred @see bufferevent_write_buffer() */ EVENT2_EXPORT_SYMBOL int bufferevent_write(struct bufferevent *bufev, const void *data, size_t size); /** Write data from an evbuffer to a bufferevent buffer. The evbuffer is being drained as a result. @param bufev the bufferevent to be written to @param buf the evbuffer to be written @return 0 if successful, or -1 if an error occurred @see bufferevent_write() */ EVENT2_EXPORT_SYMBOL int bufferevent_write_buffer(struct bufferevent *bufev, struct evbuffer *buf); /** Read data from a bufferevent buffer. The bufferevent_read() function is used to read data from the input buffer. @param bufev the bufferevent to be read from @param data pointer to a buffer that will store the data @param size the size of the data buffer, in bytes @return the amount of data read, in bytes. */ EVENT2_EXPORT_SYMBOL size_t bufferevent_read(struct bufferevent *bufev, void *data, size_t size); /** Read data from a bufferevent buffer into an evbuffer. This avoids memory copies. @param bufev the bufferevent to be read from @param buf the evbuffer to which to add data @return 0 if successful, or -1 if an error occurred. */ EVENT2_EXPORT_SYMBOL int bufferevent_read_buffer(struct bufferevent *bufev, struct evbuffer *buf); /** Returns the input buffer. The user MUST NOT set the callback on this buffer. @param bufev the bufferevent from which to get the evbuffer @return the evbuffer object for the input buffer */ EVENT2_EXPORT_SYMBOL struct evbuffer *bufferevent_get_input(struct bufferevent *bufev); /** Returns the output buffer. The user MUST NOT set the callback on this buffer. When filters are being used, the filters need to be manually triggered if the output buffer was manipulated. @param bufev the bufferevent from which to get the evbuffer @return the evbuffer object for the output buffer */ EVENT2_EXPORT_SYMBOL struct evbuffer *bufferevent_get_output(struct bufferevent *bufev); /** Enable a bufferevent. @param bufev the bufferevent to be enabled @param event any combination of EV_READ | EV_WRITE. @return 0 if successful, or -1 if an error occurred @see bufferevent_disable() */ EVENT2_EXPORT_SYMBOL int bufferevent_enable(struct bufferevent *bufev, short event); /** Disable a bufferevent. @param bufev the bufferevent to be disabled @param event any combination of EV_READ | EV_WRITE. @return 0 if successful, or -1 if an error occurred @see bufferevent_enable() */ EVENT2_EXPORT_SYMBOL int bufferevent_disable(struct bufferevent *bufev, short event); /** Return the events that are enabled on a given bufferevent. @param bufev the bufferevent to inspect @return A combination of EV_READ | EV_WRITE */ EVENT2_EXPORT_SYMBOL short bufferevent_get_enabled(struct bufferevent *bufev); /** Set the read and write timeout for a bufferevent. A bufferevent's timeout will fire the first time that the indicated amount of time has elapsed since a successful read or write operation, during which the bufferevent was trying to read or write. (In other words, if reading or writing is disabled, or if the bufferevent's read or write operation has been suspended because there's no data to write, or not enough bandwidth, or so on, the timeout isn't active. The timeout only becomes active when we we're willing to actually read or write.) Calling bufferevent_enable or setting a timeout for a bufferevent whose timeout is already pending resets its timeout. If the timeout elapses, the corresponding operation (EV_READ or EV_WRITE) becomes disabled until you re-enable it again. The bufferevent's event callback is called with the BEV_EVENT_TIMEOUT|BEV_EVENT_READING or BEV_EVENT_TIMEOUT|BEV_EVENT_WRITING. @param bufev the bufferevent to be modified @param timeout_read the read timeout, or NULL @param timeout_write the write timeout, or NULL */ EVENT2_EXPORT_SYMBOL int bufferevent_set_timeouts(struct bufferevent *bufev, const struct timeval *timeout_read, const struct timeval *timeout_write); /** Sets the watermarks for read and write events. On input, a bufferevent does not invoke the user read callback unless there is at least low watermark data in the buffer. If the read buffer is beyond the high watermark, the bufferevent stops reading from the network. But be aware that bufferevent input/read buffer can overrun high watermark limit (typical example is openssl bufferevent), so you should not relay in this. On output, the user write callback is invoked whenever the buffered data falls below the low watermark. Filters that write to this bufev will try not to write more bytes to this buffer than the high watermark would allow, except when flushing. @param bufev the bufferevent to be modified @param events EV_READ, EV_WRITE or both @param lowmark the lower watermark to set @param highmark the high watermark to set */ EVENT2_EXPORT_SYMBOL void bufferevent_setwatermark(struct bufferevent *bufev, short events, size_t lowmark, size_t highmark); /** Retrieves the watermarks for read or write events. Returns non-zero if events contains not only EV_READ or EV_WRITE. Returns zero if events equal EV_READ or EV_WRITE @param bufev the bufferevent to be examined @param events EV_READ or EV_WRITE @param lowmark receives the lower watermark if not NULL @param highmark receives the high watermark if not NULL */ EVENT2_EXPORT_SYMBOL int bufferevent_getwatermark(struct bufferevent *bufev, short events, size_t *lowmark, size_t *highmark); /** Acquire the lock on a bufferevent. Has no effect if locking was not enabled with BEV_OPT_THREADSAFE. */ EVENT2_EXPORT_SYMBOL void bufferevent_lock(struct bufferevent *bufev); /** Release the lock on a bufferevent. Has no effect if locking was not enabled with BEV_OPT_THREADSAFE. */ EVENT2_EXPORT_SYMBOL void bufferevent_unlock(struct bufferevent *bufev); /** * Public interface to manually increase the reference count of a bufferevent * this is useful in situations where a user may reference the bufferevent * somewhere else (unknown to libevent) * * @param bufev the bufferevent to increase the refcount on * */ EVENT2_EXPORT_SYMBOL void bufferevent_incref(struct bufferevent *bufev); /** * Public interface to manually decrement the reference count of a bufferevent * * Warning: make sure you know what you're doing. This is mainly used in * conjunction with bufferevent_incref(). This will free up all data associated * with a bufferevent if the reference count hits 0. * * @param bufev the bufferevent to decrement the refcount on * * @return 1 if the bufferevent was freed, otherwise 0 (still referenced) */ EVENT2_EXPORT_SYMBOL int bufferevent_decref(struct bufferevent *bufev); /** Flags that can be passed into filters to let them know how to deal with the incoming data. */ enum bufferevent_flush_mode { /** usually set when processing data */ BEV_NORMAL = 0, /** want to checkpoint all data sent. */ BEV_FLUSH = 1, /** encountered EOF on read or done sending data */ BEV_FINISHED = 2 }; /** Triggers the bufferevent to produce more data if possible. @param bufev the bufferevent object @param iotype either EV_READ or EV_WRITE or both. @param mode either BEV_NORMAL or BEV_FLUSH or BEV_FINISHED @return -1 on failure, 0 if no data was produces, 1 if data was produced */ EVENT2_EXPORT_SYMBOL int bufferevent_flush(struct bufferevent *bufev, short iotype, enum bufferevent_flush_mode mode); /** Flags for bufferevent_trigger(_event) that modify when and how to trigger the callback. */ enum bufferevent_trigger_options { /** trigger the callback regardless of the watermarks */ BEV_TRIG_IGNORE_WATERMARKS = (1<<16), /** defer even if the callbacks are not */ BEV_TRIG_DEFER_CALLBACKS = BEV_OPT_DEFER_CALLBACKS /* (Note: for internal reasons, these need to be disjoint from * bufferevent_options, except when they mean the same thing. */ }; /** Triggers bufferevent data callbacks. The function will honor watermarks unless options contain BEV_TRIG_IGNORE_WATERMARKS. If the options contain BEV_OPT_DEFER_CALLBACKS, the callbacks are deferred. @param bufev the bufferevent object @param iotype either EV_READ or EV_WRITE or both. @param options */ EVENT2_EXPORT_SYMBOL void bufferevent_trigger(struct bufferevent *bufev, short iotype, int options); /** Triggers the bufferevent event callback. If the options contain BEV_OPT_DEFER_CALLBACKS, the callbacks are deferred. @param bufev the bufferevent object @param what the flags to pass onto the event callback @param options */ EVENT2_EXPORT_SYMBOL void bufferevent_trigger_event(struct bufferevent *bufev, short what, int options); /** @name Filtering support @{ */ /** Values that filters can return. */ enum bufferevent_filter_result { /** everything is okay */ BEV_OK = 0, /** the filter needs to read more data before output */ BEV_NEED_MORE = 1, /** the filter encountered a critical error, no further data can be processed. */ BEV_ERROR = 2 }; /** A callback function to implement a filter for a bufferevent. @param src An evbuffer to drain data from. @param dst An evbuffer to add data to. @param limit A suggested upper bound of bytes to write to dst. The filter may ignore this value, but doing so means that it will overflow the high-water mark associated with dst. -1 means "no limit". @param mode Whether we should write data as may be convenient (BEV_NORMAL), or flush as much data as we can (BEV_FLUSH), or flush as much as we can, possibly including an end-of-stream marker (BEV_FINISH). @param ctx A user-supplied pointer. @return BEV_OK if we wrote some data; BEV_NEED_MORE if we can't produce any more output until we get some input; and BEV_ERROR on an error. */ typedef enum bufferevent_filter_result (*bufferevent_filter_cb)( struct evbuffer *src, struct evbuffer *dst, ev_ssize_t dst_limit, enum bufferevent_flush_mode mode, void *ctx); /** Allocate a new filtering bufferevent on top of an existing bufferevent. @param underlying the underlying bufferevent. @param input_filter The filter to apply to data we read from the underlying bufferevent @param output_filter The filer to apply to data we write to the underlying bufferevent @param options A bitfield of bufferevent options. @param free_context A function to use to free the filter context when this bufferevent is freed. @param ctx A context pointer to pass to the filter functions. */ EVENT2_EXPORT_SYMBOL struct bufferevent * bufferevent_filter_new(struct bufferevent *underlying, bufferevent_filter_cb input_filter, bufferevent_filter_cb output_filter, int options, void (*free_context)(void *), void *ctx); /**@}*/ /** Allocate a pair of linked bufferevents. The bufferevents behave as would two bufferevent_sock instances connected to opposite ends of a socketpair(), except that no internal socketpair is allocated. @param base The event base to associate with the socketpair. @param options A set of options for this bufferevent @param pair A pointer to an array to hold the two new bufferevent objects. @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int bufferevent_pair_new(struct event_base *base, int options, struct bufferevent *pair[2]); /** Given one bufferevent returned by bufferevent_pair_new(), returns the other one if it still exists. Otherwise returns NULL. */ EVENT2_EXPORT_SYMBOL struct bufferevent *bufferevent_pair_get_partner(struct bufferevent *bev); /** Abstract type used to configure rate-limiting on a bufferevent or a group of bufferevents. */ struct ev_token_bucket_cfg; /** A group of bufferevents which are configured to respect the same rate limit. */ struct bufferevent_rate_limit_group; /** Maximum configurable rate- or burst-limit. */ #define EV_RATE_LIMIT_MAX EV_SSIZE_MAX /** Initialize and return a new object to configure the rate-limiting behavior of bufferevents. @param read_rate The maximum number of bytes to read per tick on average. @param read_burst The maximum number of bytes to read in any single tick. @param write_rate The maximum number of bytes to write per tick on average. @param write_burst The maximum number of bytes to write in any single tick. @param tick_len The length of a single tick. Defaults to one second. Any fractions of a millisecond are ignored. Note that all rate-limits hare are currently best-effort: future versions of Libevent may implement them more tightly. */ EVENT2_EXPORT_SYMBOL struct ev_token_bucket_cfg *ev_token_bucket_cfg_new( size_t read_rate, size_t read_burst, size_t write_rate, size_t write_burst, const struct timeval *tick_len); /** Free all storage held in 'cfg'. Note: 'cfg' is not currently reference-counted; it is not safe to free it until no bufferevent is using it. */ EVENT2_EXPORT_SYMBOL void ev_token_bucket_cfg_free(struct ev_token_bucket_cfg *cfg); /** Set the rate-limit of a the bufferevent 'bev' to the one specified in 'cfg'. If 'cfg' is NULL, disable any per-bufferevent rate-limiting on 'bev'. Note that only some bufferevent types currently respect rate-limiting. They are: socket-based bufferevents (normal and IOCP-based), and SSL-based bufferevents. Return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int bufferevent_set_rate_limit(struct bufferevent *bev, struct ev_token_bucket_cfg *cfg); /** Create a new rate-limit group for bufferevents. A rate-limit group constrains the maximum number of bytes sent and received, in toto, by all of its bufferevents. @param base An event_base to run any necessary timeouts for the group. Note that all bufferevents in the group do not necessarily need to share this event_base. @param cfg The rate-limit for this group. Note that all rate-limits hare are currently best-effort: future versions of Libevent may implement them more tightly. Note also that only some bufferevent types currently respect rate-limiting. They are: socket-based bufferevents (normal and IOCP-based), and SSL-based bufferevents. */ EVENT2_EXPORT_SYMBOL struct bufferevent_rate_limit_group *bufferevent_rate_limit_group_new( struct event_base *base, const struct ev_token_bucket_cfg *cfg); /** Change the rate-limiting settings for a given rate-limiting group. Return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int bufferevent_rate_limit_group_set_cfg( struct bufferevent_rate_limit_group *, const struct ev_token_bucket_cfg *); /** Change the smallest quantum we're willing to allocate to any single bufferevent in a group for reading or writing at a time. The rationale is that, because of TCP/IP protocol overheads and kernel behavior, if a rate-limiting group is so tight on bandwidth that you're only willing to send 1 byte per tick per bufferevent, you might instead want to batch up the reads and writes so that you send N bytes per 1/N of the bufferevents (chosen at random) each tick, so you still wind up send 1 byte per tick per bufferevent on average, but you don't send so many tiny packets. The default min-share is currently 64 bytes. Returns 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int bufferevent_rate_limit_group_set_min_share( struct bufferevent_rate_limit_group *, size_t); /** Free a rate-limiting group. The group must have no members when this function is called. */ EVENT2_EXPORT_SYMBOL void bufferevent_rate_limit_group_free(struct bufferevent_rate_limit_group *); /** Add 'bev' to the list of bufferevents whose aggregate reading and writing is restricted by 'g'. If 'g' is NULL, remove 'bev' from its current group. A bufferevent may belong to no more than one rate-limit group at a time. If 'bev' is already a member of a group, it will be removed from its old group before being added to 'g'. Return 0 on success and -1 on failure. */ EVENT2_EXPORT_SYMBOL int bufferevent_add_to_rate_limit_group(struct bufferevent *bev, struct bufferevent_rate_limit_group *g); /** Remove 'bev' from its current rate-limit group (if any). */ EVENT2_EXPORT_SYMBOL int bufferevent_remove_from_rate_limit_group(struct bufferevent *bev); /** Set the size limit for single read operation. Set to 0 for a reasonable default. Return 0 on success and -1 on failure. */ EVENT2_EXPORT_SYMBOL int bufferevent_set_max_single_read(struct bufferevent *bev, size_t size); /** Set the size limit for single write operation. Set to 0 for a reasonable default. Return 0 on success and -1 on failure. */ EVENT2_EXPORT_SYMBOL int bufferevent_set_max_single_write(struct bufferevent *bev, size_t size); /** Get the current size limit for single read operation. */ EVENT2_EXPORT_SYMBOL ev_ssize_t bufferevent_get_max_single_read(struct bufferevent *bev); /** Get the current size limit for single write operation. */ EVENT2_EXPORT_SYMBOL ev_ssize_t bufferevent_get_max_single_write(struct bufferevent *bev); /** @name Rate limit inspection Return the current read or write bucket size for a bufferevent. If it is not configured with a per-bufferevent ratelimit, return EV_SSIZE_MAX. This function does not inspect the group limit, if any. Note that it can return a negative value if the bufferevent has been made to read or write more than its limit. @{ */ EVENT2_EXPORT_SYMBOL ev_ssize_t bufferevent_get_read_limit(struct bufferevent *bev); EVENT2_EXPORT_SYMBOL ev_ssize_t bufferevent_get_write_limit(struct bufferevent *bev); /*@}*/ EVENT2_EXPORT_SYMBOL ev_ssize_t bufferevent_get_max_to_read(struct bufferevent *bev); EVENT2_EXPORT_SYMBOL ev_ssize_t bufferevent_get_max_to_write(struct bufferevent *bev); EVENT2_EXPORT_SYMBOL const struct ev_token_bucket_cfg *bufferevent_get_token_bucket_cfg(const struct bufferevent * bev); /** @name Group Rate limit inspection Return the read or write bucket size for a bufferevent rate limit group. Note that it can return a negative value if bufferevents in the group have been made to read or write more than their limits. @{ */ EVENT2_EXPORT_SYMBOL ev_ssize_t bufferevent_rate_limit_group_get_read_limit( struct bufferevent_rate_limit_group *); EVENT2_EXPORT_SYMBOL ev_ssize_t bufferevent_rate_limit_group_get_write_limit( struct bufferevent_rate_limit_group *); /*@}*/ /** @name Rate limit manipulation Subtract a number of bytes from a bufferevent's read or write bucket. The decrement value can be negative, if you want to manually refill the bucket. If the change puts the bucket above or below zero, the bufferevent will resume or suspend reading writing as appropriate. These functions make no change in the buckets for the bufferevent's group, if any. Returns 0 on success, -1 on internal error. @{ */ EVENT2_EXPORT_SYMBOL int bufferevent_decrement_read_limit(struct bufferevent *bev, ev_ssize_t decr); EVENT2_EXPORT_SYMBOL int bufferevent_decrement_write_limit(struct bufferevent *bev, ev_ssize_t decr); /*@}*/ /** @name Group rate limit manipulation Subtract a number of bytes from a bufferevent rate-limiting group's read or write bucket. The decrement value can be negative, if you want to manually refill the bucket. If the change puts the bucket above or below zero, the bufferevents in the group will resume or suspend reading writing as appropriate. Returns 0 on success, -1 on internal error. @{ */ EVENT2_EXPORT_SYMBOL int bufferevent_rate_limit_group_decrement_read( struct bufferevent_rate_limit_group *, ev_ssize_t); EVENT2_EXPORT_SYMBOL int bufferevent_rate_limit_group_decrement_write( struct bufferevent_rate_limit_group *, ev_ssize_t); /*@}*/ /** * Inspect the total bytes read/written on a group. * * Set the variable pointed to by total_read_out to the total number of bytes * ever read on grp, and the variable pointed to by total_written_out to the * total number of bytes ever written on grp. */ EVENT2_EXPORT_SYMBOL void bufferevent_rate_limit_group_get_totals( struct bufferevent_rate_limit_group *grp, ev_uint64_t *total_read_out, ev_uint64_t *total_written_out); /** * Reset the total bytes read/written on a group. * * Reset the number of bytes read or written on grp as given by * bufferevent_rate_limit_group_reset_totals(). */ EVENT2_EXPORT_SYMBOL void bufferevent_rate_limit_group_reset_totals( struct bufferevent_rate_limit_group *grp); #ifdef __cplusplus } #endif #endif /* EVENT2_BUFFEREVENT_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/buffer_compat.h0000644000076400001440000001120514111362573021563 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_BUFFER_COMPAT_H_INCLUDED_ #define EVENT2_BUFFER_COMPAT_H_INCLUDED_ #include /** @file event2/buffer_compat.h Obsolete and deprecated versions of the functions in buffer.h: provided only for backward compatibility. */ /** Obsolete alias for evbuffer_readln(buffer, NULL, EVBUFFER_EOL_ANY). @deprecated This function is deprecated because its behavior is not correct for almost any protocol, and also because it's wholly subsumed by evbuffer_readln(). @param buffer the evbuffer to read from @return pointer to a single line, or NULL if an error occurred */ EVENT2_EXPORT_SYMBOL char *evbuffer_readline(struct evbuffer *buffer); /** Type definition for a callback that is invoked whenever data is added or removed from an evbuffer. An evbuffer may have one or more callbacks set at a time. The order in which they are executed is undefined. A callback function may add more callbacks, or remove itself from the list of callbacks, or add or remove data from the buffer. It may not remove another callback from the list. If a callback adds or removes data from the buffer or from another buffer, this can cause a recursive invocation of your callback or other callbacks. If you ask for an infinite loop, you might just get one: watch out! @param buffer the buffer whose size has changed @param old_len the previous length of the buffer @param new_len the current length of the buffer @param arg a pointer to user data */ typedef void (*evbuffer_cb)(struct evbuffer *buffer, size_t old_len, size_t new_len, void *arg); /** Replace all callbacks on an evbuffer with a single new callback, or remove them. Subsequent calls to evbuffer_setcb() replace callbacks set by previous calls. Setting the callback to NULL removes any previously set callback. @deprecated This function is deprecated because it clears all previous callbacks set on the evbuffer, which can cause confusing behavior if multiple parts of the code all want to add their own callbacks on a buffer. Instead, use evbuffer_add(), evbuffer_del(), and evbuffer_setflags() to manage your own evbuffer callbacks without interfering with callbacks set by others. @param buffer the evbuffer to be monitored @param cb the callback function to invoke when the evbuffer is modified, or NULL to remove all callbacks. @param cbarg an argument to be provided to the callback function @return 0 if successful, or -1 on error */ EVENT2_EXPORT_SYMBOL int evbuffer_setcb(struct evbuffer *buffer, evbuffer_cb cb, void *cbarg); /** Find a string within an evbuffer. @param buffer the evbuffer to be searched @param what the string to be searched for @param len the length of the search string @return a pointer to the beginning of the search string, or NULL if the search failed. */ EVENT2_EXPORT_SYMBOL unsigned char *evbuffer_find(struct evbuffer *buffer, const unsigned char *what, size_t len); /** deprecated in favor of calling the functions directly */ #define EVBUFFER_LENGTH(x) evbuffer_get_length(x) /** deprecated in favor of calling the functions directly */ #define EVBUFFER_DATA(x) evbuffer_pullup((x), -1) #endif lldpd-1.0.18/libevent/include/event2/thread.h0000644000076400001440000002334014111362573020221 0ustar00bernatusers/* * Copyright (c) 2008-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_THREAD_H_INCLUDED_ #define EVENT2_THREAD_H_INCLUDED_ /** @file event2/thread.h Functions for multi-threaded applications using Libevent. When using a multi-threaded application in which multiple threads add and delete events from a single event base, Libevent needs to lock its data structures. Like the memory-management function hooks, all of the threading functions _must_ be set up before an event_base is created if you want the base to use them. Most programs will either be using Windows threads or Posix threads. You can configure Libevent to use one of these event_use_windows_threads() or event_use_pthreads() respectively. If you're using another threading library, you'll need to configure threading functions manually using evthread_set_lock_callbacks() and evthread_set_condition_callbacks(). */ #include #ifdef __cplusplus extern "C" { #endif #include /** @name Flags passed to lock functions @{ */ /** A flag passed to a locking callback when the lock was allocated as a * read-write lock, and we want to acquire or release the lock for writing. */ #define EVTHREAD_WRITE 0x04 /** A flag passed to a locking callback when the lock was allocated as a * read-write lock, and we want to acquire or release the lock for reading. */ #define EVTHREAD_READ 0x08 /** A flag passed to a locking callback when we don't want to block waiting * for the lock; if we can't get the lock immediately, we will instead * return nonzero from the locking callback. */ #define EVTHREAD_TRY 0x10 /**@}*/ #if !defined(EVENT__DISABLE_THREAD_SUPPORT) || defined(EVENT_IN_DOXYGEN_) #define EVTHREAD_LOCK_API_VERSION 1 /** @name Types of locks @{*/ /** A recursive lock is one that can be acquired multiple times at once by the * same thread. No other process can allocate the lock until the thread that * has been holding it has unlocked it as many times as it locked it. */ #define EVTHREAD_LOCKTYPE_RECURSIVE 1 /* A read-write lock is one that allows multiple simultaneous readers, but * where any one writer excludes all other writers and readers. */ #define EVTHREAD_LOCKTYPE_READWRITE 2 /**@}*/ /** This structure describes the interface a threading library uses for * locking. It's used to tell evthread_set_lock_callbacks() how to use * locking on this platform. */ struct evthread_lock_callbacks { /** The current version of the locking API. Set this to * EVTHREAD_LOCK_API_VERSION */ int lock_api_version; /** Which kinds of locks does this version of the locking API * support? A bitfield of EVTHREAD_LOCKTYPE_RECURSIVE and * EVTHREAD_LOCKTYPE_READWRITE. * * (Note that RECURSIVE locks are currently mandatory, and * READWRITE locks are not currently used.) **/ unsigned supported_locktypes; /** Function to allocate and initialize new lock of type 'locktype'. * Returns NULL on failure. */ void *(*alloc)(unsigned locktype); /** Funtion to release all storage held in 'lock', which was created * with type 'locktype'. */ void (*free)(void *lock, unsigned locktype); /** Acquire an already-allocated lock at 'lock' with mode 'mode'. * Returns 0 on success, and nonzero on failure. */ int (*lock)(unsigned mode, void *lock); /** Release a lock at 'lock' using mode 'mode'. Returns 0 on success, * and nonzero on failure. */ int (*unlock)(unsigned mode, void *lock); }; /** Sets a group of functions that Libevent should use for locking. * For full information on the required callback API, see the * documentation for the individual members of evthread_lock_callbacks. * * Note that if you're using Windows or the Pthreads threading library, you * probably shouldn't call this function; instead, use * evthread_use_windows_threads() or evthread_use_posix_threads() if you can. */ EVENT2_EXPORT_SYMBOL int evthread_set_lock_callbacks(const struct evthread_lock_callbacks *); #define EVTHREAD_CONDITION_API_VERSION 1 struct timeval; /** This structure describes the interface a threading library uses for * condition variables. It's used to tell evthread_set_condition_callbacks * how to use locking on this platform. */ struct evthread_condition_callbacks { /** The current version of the conditions API. Set this to * EVTHREAD_CONDITION_API_VERSION */ int condition_api_version; /** Function to allocate and initialize a new condition variable. * Returns the condition variable on success, and NULL on failure. * The 'condtype' argument will be 0 with this API version. */ void *(*alloc_condition)(unsigned condtype); /** Function to free a condition variable. */ void (*free_condition)(void *cond); /** Function to signal a condition variable. If 'broadcast' is 1, all * threads waiting on 'cond' should be woken; otherwise, only on one * thread is worken. Should return 0 on success, -1 on failure. * This function will only be called while holding the associated * lock for the condition. */ int (*signal_condition)(void *cond, int broadcast); /** Function to wait for a condition variable. The lock 'lock' * will be held when this function is called; should be released * while waiting for the condition to be come signalled, and * should be held again when this function returns. * If timeout is provided, it is interval of seconds to wait for * the event to become signalled; if it is NULL, the function * should wait indefinitely. * * The function should return -1 on error; 0 if the condition * was signalled, or 1 on a timeout. */ int (*wait_condition)(void *cond, void *lock, const struct timeval *timeout); }; /** Sets a group of functions that Libevent should use for condition variables. * For full information on the required callback API, see the * documentation for the individual members of evthread_condition_callbacks. * * Note that if you're using Windows or the Pthreads threading library, you * probably shouldn't call this function; instead, use * evthread_use_windows_threads() or evthread_use_pthreads() if you can. */ EVENT2_EXPORT_SYMBOL int evthread_set_condition_callbacks( const struct evthread_condition_callbacks *); /** Sets the function for determining the thread id. @param base the event base for which to set the id function @param id_fn the identify function Libevent should invoke to determine the identity of a thread. */ EVENT2_EXPORT_SYMBOL void evthread_set_id_callback( unsigned long (*id_fn)(void)); #if (defined(_WIN32) && !defined(EVENT__DISABLE_THREAD_SUPPORT)) || defined(EVENT_IN_DOXYGEN_) /** Sets up Libevent for use with Windows builtin locking and thread ID functions. Unavailable if Libevent is not built for Windows. @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int evthread_use_windows_threads(void); /** Defined if Libevent was built with support for evthread_use_windows_threads() */ #define EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED 1 #endif #if defined(EVENT__HAVE_PTHREADS) || defined(EVENT_IN_DOXYGEN_) /** Sets up Libevent for use with Pthreads locking and thread ID functions. Unavailable if Libevent is not build for use with pthreads. Requires libraries to link against Libevent_pthreads as well as Libevent. @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int evthread_use_pthreads(void); /** Defined if Libevent was built with support for evthread_use_pthreads() */ #define EVTHREAD_USE_PTHREADS_IMPLEMENTED 1 #endif /** Enable debugging wrappers around the current lock callbacks. If Libevent * makes one of several common locking errors, exit with an assertion failure. * * If you're going to call this function, you must do so before any locks are * allocated. **/ EVENT2_EXPORT_SYMBOL void evthread_enable_lock_debugging(void); /* Old (misspelled) version: This is deprecated; use * evthread_enable_log_debugging instead. */ EVENT2_EXPORT_SYMBOL void evthread_enable_lock_debuging(void); #endif /* EVENT__DISABLE_THREAD_SUPPORT */ struct event_base; /** Make sure it's safe to tell an event base to wake up from another thread or a signal handler. You shouldn't need to call this by hand; configuring the base with thread support should be necessary and sufficient. @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int evthread_make_base_notifiable(struct event_base *base); #ifdef __cplusplus } #endif #endif /* EVENT2_THREAD_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/dns.h0000644000076400001440000006656214111362573017553 0ustar00bernatusers/* * Copyright (c) 2006-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * The original DNS code is due to Adam Langley with heavy * modifications by Nick Mathewson. Adam put his DNS software in the * public domain. You can find his original copyright below. Please, * aware that the code as part of Libevent is governed by the 3-clause * BSD license above. * * This software is Public Domain. To view a copy of the public domain dedication, * visit http://creativecommons.org/licenses/publicdomain/ or send a letter to * Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA. * * I ask and expect, but do not require, that all derivative works contain an * attribution similar to: * Parts developed by Adam Langley * * You may wish to replace the word "Parts" with something else depending on * the amount of original code. * * (Derivative works does not include programs which link against, run or include * the source verbatim in their source distributions) */ /** @file event2/dns.h * * Welcome, gentle reader * * Async DNS lookups are really a whole lot harder than they should be, * mostly stemming from the fact that the libc resolver has never been * very good at them. Before you use this library you should see if libc * can do the job for you with the modern async call getaddrinfo_a * (see http://www.imperialviolet.org/page25.html#e498). Otherwise, * please continue. * * The library keeps track of the state of nameservers and will avoid * them when they go down. Otherwise it will round robin between them. * * Quick start guide: * #include "evdns.h" * void callback(int result, char type, int count, int ttl, * void *addresses, void *arg); * evdns_resolv_conf_parse(DNS_OPTIONS_ALL, "/etc/resolv.conf"); * evdns_resolve("www.hostname.com", 0, callback, NULL); * * When the lookup is complete the callback function is called. The * first argument will be one of the DNS_ERR_* defines in evdns.h. * Hopefully it will be DNS_ERR_NONE, in which case type will be * DNS_IPv4_A, count will be the number of IP addresses, ttl is the time * which the data can be cached for (in seconds), addresses will point * to an array of uint32_t's and arg will be whatever you passed to * evdns_resolve. * * Searching: * * In order for this library to be a good replacement for glibc's resolver it * supports searching. This involves setting a list of default domains, in * which names will be queried for. The number of dots in the query name * determines the order in which this list is used. * * Searching appears to be a single lookup from the point of view of the API, * although many DNS queries may be generated from a single call to * evdns_resolve. Searching can also drastically slow down the resolution * of names. * * To disable searching: * 1. Never set it up. If you never call evdns_resolv_conf_parse or * evdns_search_add then no searching will occur. * * 2. If you do call evdns_resolv_conf_parse then don't pass * DNS_OPTION_SEARCH (or DNS_OPTIONS_ALL, which implies it). * * 3. When calling evdns_resolve, pass the DNS_QUERY_NO_SEARCH flag. * * The order of searches depends on the number of dots in the name. If the * number is greater than the ndots setting then the names is first tried * globally. Otherwise each search domain is appended in turn. * * The ndots setting can either be set from a resolv.conf, or by calling * evdns_search_ndots_set. * * For example, with ndots set to 1 (the default) and a search domain list of * ["myhome.net"]: * Query: www * Order: www.myhome.net, www. * * Query: www.abc * Order: www.abc., www.abc.myhome.net * * Internals: * * Requests are kept in two queues. The first is the inflight queue. In * this queue requests have an allocated transaction id and nameserver. * They will soon be transmitted if they haven't already been. * * The second is the waiting queue. The size of the inflight ring is * limited and all other requests wait in waiting queue for space. This * bounds the number of concurrent requests so that we don't flood the * nameserver. Several algorithms require a full walk of the inflight * queue and so bounding its size keeps thing going nicely under huge * (many thousands of requests) loads. * * If a nameserver loses too many requests it is considered down and we * try not to use it. After a while we send a probe to that nameserver * (a lookup for google.com) and, if it replies, we consider it working * again. If the nameserver fails a probe we wait longer to try again * with the next probe. */ #ifndef EVENT2_DNS_H_INCLUDED_ #define EVENT2_DNS_H_INCLUDED_ #include #ifdef __cplusplus extern "C" { #endif /* For integer types. */ #include /** Error codes 0-5 are as described in RFC 1035. */ #define DNS_ERR_NONE 0 /** The name server was unable to interpret the query */ #define DNS_ERR_FORMAT 1 /** The name server was unable to process this query due to a problem with the * name server */ #define DNS_ERR_SERVERFAILED 2 /** The domain name does not exist */ #define DNS_ERR_NOTEXIST 3 /** The name server does not support the requested kind of query */ #define DNS_ERR_NOTIMPL 4 /** The name server refuses to reform the specified operation for policy * reasons */ #define DNS_ERR_REFUSED 5 /** The reply was truncated or ill-formatted */ #define DNS_ERR_TRUNCATED 65 /** An unknown error occurred */ #define DNS_ERR_UNKNOWN 66 /** Communication with the server timed out */ #define DNS_ERR_TIMEOUT 67 /** The request was canceled because the DNS subsystem was shut down. */ #define DNS_ERR_SHUTDOWN 68 /** The request was canceled via a call to evdns_cancel_request */ #define DNS_ERR_CANCEL 69 /** There were no answers and no error condition in the DNS packet. * This can happen when you ask for an address that exists, but a record * type that doesn't. */ #define DNS_ERR_NODATA 70 #define DNS_IPv4_A 1 #define DNS_PTR 2 #define DNS_IPv6_AAAA 3 #define DNS_QUERY_NO_SEARCH 1 /* Allow searching */ #define DNS_OPTION_SEARCH 1 /* Parse "nameserver" and add default if no such section */ #define DNS_OPTION_NAMESERVERS 2 /* Parse additional options like: * - timeout: * - getaddrinfo-allow-skew: * - max-timeouts: * - max-inflight: * - attempts: * - randomize-case: * - initial-probe-timeout: */ #define DNS_OPTION_MISC 4 /* Load hosts file (i.e. "/etc/hosts") */ #define DNS_OPTION_HOSTSFILE 8 /** * All above: * - DNS_OPTION_SEARCH * - DNS_OPTION_NAMESERVERS * - DNS_OPTION_MISC * - DNS_OPTION_HOSTSFILE */ #define DNS_OPTIONS_ALL ( \ DNS_OPTION_SEARCH | \ DNS_OPTION_NAMESERVERS | \ DNS_OPTION_MISC | \ DNS_OPTION_HOSTSFILE | \ 0 \ ) /* Do not "default" nameserver (i.e. "127.0.0.1:53") if there is no nameservers * in resolv.conf, (iff DNS_OPTION_NAMESERVERS is set) */ #define DNS_OPTION_NAMESERVERS_NO_DEFAULT 16 /* Obsolete name for DNS_QUERY_NO_SEARCH */ #define DNS_NO_SEARCH DNS_QUERY_NO_SEARCH /** * The callback that contains the results from a lookup. * - result is one of the DNS_ERR_* values (DNS_ERR_NONE for success) * - type is either DNS_IPv4_A or DNS_PTR or DNS_IPv6_AAAA * - count contains the number of addresses of form type * - ttl is the number of seconds the resolution may be cached for. * - addresses needs to be cast according to type. It will be an array of * 4-byte sequences for ipv4, or an array of 16-byte sequences for ipv6, * or a nul-terminated string for PTR. */ typedef void (*evdns_callback_type) (int result, char type, int count, int ttl, void *addresses, void *arg); struct evdns_base; struct event_base; /** Flag for evdns_base_new: process resolv.conf. */ #define EVDNS_BASE_INITIALIZE_NAMESERVERS 1 /** Flag for evdns_base_new: Do not prevent the libevent event loop from * exiting when we have no active dns requests. */ #define EVDNS_BASE_DISABLE_WHEN_INACTIVE 0x8000 /** Flag for evdns_base_new: If EVDNS_BASE_INITIALIZE_NAMESERVERS isset, do not * add default nameserver if there are no nameservers in resolv.conf * @see DNS_OPTION_NAMESERVERS_NO_DEFAULT */ #define EVDNS_BASE_NAMESERVERS_NO_DEFAULT 0x10000 /** Initialize the asynchronous DNS library. This function initializes support for non-blocking name resolution by calling evdns_resolv_conf_parse() on UNIX and evdns_config_windows_nameservers() on Windows. @param event_base the event base to associate the dns client with @param flags any of EVDNS_BASE_INITIALIZE_NAMESERVERS| EVDNS_BASE_DISABLE_WHEN_INACTIVE|EVDNS_BASE_NAMESERVERS_NO_DEFAULT @return evdns_base object if successful, or NULL if an error occurred. @see evdns_base_free() */ EVENT2_EXPORT_SYMBOL struct evdns_base * evdns_base_new(struct event_base *event_base, int initialize_nameservers); /** Shut down the asynchronous DNS resolver and terminate all active requests. If the 'fail_requests' option is enabled, all active requests will return an empty result with the error flag set to DNS_ERR_SHUTDOWN. Otherwise, the requests will be silently discarded. @param evdns_base the evdns base to free @param fail_requests if zero, active requests will be aborted; if non-zero, active requests will return DNS_ERR_SHUTDOWN. @see evdns_base_new() */ EVENT2_EXPORT_SYMBOL void evdns_base_free(struct evdns_base *base, int fail_requests); /** Remove all hosts entries that have been loaded into the event_base via evdns_base_load_hosts or via event_base_resolv_conf_parse. @param evdns_base the evdns base to remove outdated host addresses from */ EVENT2_EXPORT_SYMBOL void evdns_base_clear_host_addresses(struct evdns_base *base); /** Convert a DNS error code to a string. @param err the DNS error code @return a string containing an explanation of the error code */ EVENT2_EXPORT_SYMBOL const char *evdns_err_to_string(int err); /** Add a nameserver. The address should be an IPv4 address in network byte order. The type of address is chosen so that it matches in_addr.s_addr. @param base the evdns_base to which to add the name server @param address an IP address in network byte order @return 0 if successful, or -1 if an error occurred @see evdns_base_nameserver_ip_add() */ EVENT2_EXPORT_SYMBOL int evdns_base_nameserver_add(struct evdns_base *base, unsigned long int address); /** Get the number of configured nameservers. This returns the number of configured nameservers (not necessarily the number of running nameservers). This is useful for double-checking whether our calls to the various nameserver configuration functions have been successful. @param base the evdns_base to which to apply this operation @return the number of configured nameservers @see evdns_base_nameserver_add() */ EVENT2_EXPORT_SYMBOL int evdns_base_count_nameservers(struct evdns_base *base); /** Remove all configured nameservers, and suspend all pending resolves. Resolves will not necessarily be re-attempted until evdns_base_resume() is called. @param base the evdns_base to which to apply this operation @return 0 if successful, or -1 if an error occurred @see evdns_base_resume() */ EVENT2_EXPORT_SYMBOL int evdns_base_clear_nameservers_and_suspend(struct evdns_base *base); /** Resume normal operation and continue any suspended resolve requests. Re-attempt resolves left in limbo after an earlier call to evdns_base_clear_nameservers_and_suspend(). @param base the evdns_base to which to apply this operation @return 0 if successful, or -1 if an error occurred @see evdns_base_clear_nameservers_and_suspend() */ EVENT2_EXPORT_SYMBOL int evdns_base_resume(struct evdns_base *base); /** Add a nameserver by string address. This function parses a n IPv4 or IPv6 address from a string and adds it as a nameserver. It supports the following formats: - [IPv6Address]:port - [IPv6Address] - IPv6Address - IPv4Address:port - IPv4Address If no port is specified, it defaults to 53. @param base the evdns_base to which to apply this operation @return 0 if successful, or -1 if an error occurred @see evdns_base_nameserver_add() */ EVENT2_EXPORT_SYMBOL int evdns_base_nameserver_ip_add(struct evdns_base *base, const char *ip_as_string); /** Add a nameserver by sockaddr. **/ EVENT2_EXPORT_SYMBOL int evdns_base_nameserver_sockaddr_add(struct evdns_base *base, const struct sockaddr *sa, ev_socklen_t len, unsigned flags); struct evdns_request; /** Lookup an A record for a given name. @param base the evdns_base to which to apply this operation @param name a DNS hostname @param flags either 0, or DNS_QUERY_NO_SEARCH to disable searching for this query. @param callback a callback function to invoke when the request is completed @param ptr an argument to pass to the callback function @return an evdns_request object if successful, or NULL if an error occurred. @see evdns_resolve_ipv6(), evdns_resolve_reverse(), evdns_resolve_reverse_ipv6(), evdns_cancel_request() */ EVENT2_EXPORT_SYMBOL struct evdns_request *evdns_base_resolve_ipv4(struct evdns_base *base, const char *name, int flags, evdns_callback_type callback, void *ptr); /** Lookup an AAAA record for a given name. @param base the evdns_base to which to apply this operation @param name a DNS hostname @param flags either 0, or DNS_QUERY_NO_SEARCH to disable searching for this query. @param callback a callback function to invoke when the request is completed @param ptr an argument to pass to the callback function @return an evdns_request object if successful, or NULL if an error occurred. @see evdns_resolve_ipv4(), evdns_resolve_reverse(), evdns_resolve_reverse_ipv6(), evdns_cancel_request() */ EVENT2_EXPORT_SYMBOL struct evdns_request *evdns_base_resolve_ipv6(struct evdns_base *base, const char *name, int flags, evdns_callback_type callback, void *ptr); struct in_addr; struct in6_addr; /** Lookup a PTR record for a given IP address. @param base the evdns_base to which to apply this operation @param in an IPv4 address @param flags either 0, or DNS_QUERY_NO_SEARCH to disable searching for this query. @param callback a callback function to invoke when the request is completed @param ptr an argument to pass to the callback function @return an evdns_request object if successful, or NULL if an error occurred. @see evdns_resolve_reverse_ipv6(), evdns_cancel_request() */ EVENT2_EXPORT_SYMBOL struct evdns_request *evdns_base_resolve_reverse(struct evdns_base *base, const struct in_addr *in, int flags, evdns_callback_type callback, void *ptr); /** Lookup a PTR record for a given IPv6 address. @param base the evdns_base to which to apply this operation @param in an IPv6 address @param flags either 0, or DNS_QUERY_NO_SEARCH to disable searching for this query. @param callback a callback function to invoke when the request is completed @param ptr an argument to pass to the callback function @return an evdns_request object if successful, or NULL if an error occurred. @see evdns_resolve_reverse_ipv6(), evdns_cancel_request() */ EVENT2_EXPORT_SYMBOL struct evdns_request *evdns_base_resolve_reverse_ipv6(struct evdns_base *base, const struct in6_addr *in, int flags, evdns_callback_type callback, void *ptr); /** Cancels a pending DNS resolution request. @param base the evdns_base that was used to make the request @param req the evdns_request that was returned by calling a resolve function @see evdns_base_resolve_ipv4(), evdns_base_resolve_ipv6, evdns_base_resolve_reverse */ EVENT2_EXPORT_SYMBOL void evdns_cancel_request(struct evdns_base *base, struct evdns_request *req); /** Set the value of a configuration option. The currently available configuration options are: ndots, timeout, max-timeouts, max-inflight, attempts, randomize-case, bind-to, initial-probe-timeout, getaddrinfo-allow-skew, so-rcvbuf, so-sndbuf. In versions before Libevent 2.0.3-alpha, the option name needed to end with a colon. @param base the evdns_base to which to apply this operation @param option the name of the configuration option to be modified @param val the value to be set @return 0 if successful, or -1 if an error occurred */ EVENT2_EXPORT_SYMBOL int evdns_base_set_option(struct evdns_base *base, const char *option, const char *val); /** Parse a resolv.conf file. The 'flags' parameter determines what information is parsed from the resolv.conf file. See the man page for resolv.conf for the format of this file. The following directives are not parsed from the file: sortlist, rotate, no-check-names, inet6, debug. If this function encounters an error, the possible return values are: 1 = failed to open file, 2 = failed to stat file, 3 = file too large, 4 = out of memory, 5 = short read from file, 6 = no nameservers listed in the file @param base the evdns_base to which to apply this operation @param flags any of DNS_OPTION_NAMESERVERS|DNS_OPTION_SEARCH|DNS_OPTION_MISC| DNS_OPTION_HOSTSFILE|DNS_OPTIONS_ALL|DNS_OPTION_NAMESERVERS_NO_DEFAULT @param filename the path to the resolv.conf file @return 0 if successful, or various positive error codes if an error occurred (see above) @see resolv.conf(3), evdns_config_windows_nameservers() */ EVENT2_EXPORT_SYMBOL int evdns_base_resolv_conf_parse(struct evdns_base *base, int flags, const char *const filename); /** Load an /etc/hosts-style file from 'hosts_fname' into 'base'. If hosts_fname is NULL, add minimal entries for localhost, and nothing else. Note that only evdns_getaddrinfo uses the /etc/hosts entries. This function does not replace previously loaded hosts entries; to do that, call evdns_base_clear_host_addresses first. Return 0 on success, negative on failure. */ EVENT2_EXPORT_SYMBOL int evdns_base_load_hosts(struct evdns_base *base, const char *hosts_fname); #if defined(EVENT_IN_DOXYGEN_) || defined(_WIN32) /** Obtain nameserver information using the Windows API. Attempt to configure a set of nameservers based on platform settings on a win32 host. Preferentially tries to use GetNetworkParams; if that fails, looks in the registry. @return 0 if successful, or -1 if an error occurred @see evdns_resolv_conf_parse() */ EVENT2_EXPORT_SYMBOL int evdns_base_config_windows_nameservers(struct evdns_base *); #define EVDNS_BASE_CONFIG_WINDOWS_NAMESERVERS_IMPLEMENTED #endif /** Clear the list of search domains. */ EVENT2_EXPORT_SYMBOL void evdns_base_search_clear(struct evdns_base *base); /** Add a domain to the list of search domains @param domain the domain to be added to the search list */ EVENT2_EXPORT_SYMBOL void evdns_base_search_add(struct evdns_base *base, const char *domain); /** Set the 'ndots' parameter for searches. Sets the number of dots which, when found in a name, causes the first query to be without any search domain. @param ndots the new ndots parameter */ EVENT2_EXPORT_SYMBOL void evdns_base_search_ndots_set(struct evdns_base *base, const int ndots); /** A callback that is invoked when a log message is generated @param is_warning indicates if the log message is a 'warning' @param msg the content of the log message */ typedef void (*evdns_debug_log_fn_type)(int is_warning, const char *msg); /** Set the callback function to handle DNS log messages. If this callback is not set, evdns log messages are handled with the regular Libevent logging system. @param fn the callback to be invoked when a log message is generated */ EVENT2_EXPORT_SYMBOL void evdns_set_log_fn(evdns_debug_log_fn_type fn); /** Set a callback that will be invoked to generate transaction IDs. By default, we pick transaction IDs based on the current clock time, which is bad for security. @param fn the new callback, or NULL to use the default. NOTE: This function has no effect in Libevent 2.0.4-alpha and later, since Libevent now provides its own secure RNG. */ EVENT2_EXPORT_SYMBOL void evdns_set_transaction_id_fn(ev_uint16_t (*fn)(void)); /** Set a callback used to generate random bytes. By default, we use the same function as passed to evdns_set_transaction_id_fn to generate bytes two at a time. If a function is provided here, it's also used to generate transaction IDs. NOTE: This function has no effect in Libevent 2.0.4-alpha and later, since Libevent now provides its own secure RNG. */ EVENT2_EXPORT_SYMBOL void evdns_set_random_bytes_fn(void (*fn)(char *, size_t)); /* * Functions used to implement a DNS server. */ struct evdns_server_request; struct evdns_server_question; /** A callback to implement a DNS server. The callback function receives a DNS request. It should then optionally add a number of answers to the reply using the evdns_server_request_add_*_reply functions, before calling either evdns_server_request_respond to send the reply back, or evdns_server_request_drop to decline to answer the request. @param req A newly received request @param user_data A pointer that was passed to evdns_add_server_port_with_base(). */ typedef void (*evdns_request_callback_fn_type)(struct evdns_server_request *, void *); #define EVDNS_ANSWER_SECTION 0 #define EVDNS_AUTHORITY_SECTION 1 #define EVDNS_ADDITIONAL_SECTION 2 #define EVDNS_TYPE_A 1 #define EVDNS_TYPE_NS 2 #define EVDNS_TYPE_CNAME 5 #define EVDNS_TYPE_SOA 6 #define EVDNS_TYPE_PTR 12 #define EVDNS_TYPE_MX 15 #define EVDNS_TYPE_TXT 16 #define EVDNS_TYPE_AAAA 28 #define EVDNS_QTYPE_AXFR 252 #define EVDNS_QTYPE_ALL 255 #define EVDNS_CLASS_INET 1 /* flags that can be set in answers; as part of the err parameter */ #define EVDNS_FLAGS_AA 0x400 #define EVDNS_FLAGS_RD 0x080 /** Create a new DNS server port. @param base The event base to handle events for the server port. @param socket A UDP socket to accept DNS requests. @param flags Always 0 for now. @param callback A function to invoke whenever we get a DNS request on the socket. @param user_data Data to pass to the callback. @return an evdns_server_port structure for this server port or NULL if an error occurred. */ EVENT2_EXPORT_SYMBOL struct evdns_server_port *evdns_add_server_port_with_base(struct event_base *base, evutil_socket_t socket, int flags, evdns_request_callback_fn_type callback, void *user_data); /** Close down a DNS server port, and free associated structures. */ EVENT2_EXPORT_SYMBOL void evdns_close_server_port(struct evdns_server_port *port); /** Sets some flags in a reply we're building. Allows setting of the AA or RD flags */ EVENT2_EXPORT_SYMBOL void evdns_server_request_set_flags(struct evdns_server_request *req, int flags); /* Functions to add an answer to an in-progress DNS reply. */ EVENT2_EXPORT_SYMBOL int evdns_server_request_add_reply(struct evdns_server_request *req, int section, const char *name, int type, int dns_class, int ttl, int datalen, int is_name, const char *data); EVENT2_EXPORT_SYMBOL int evdns_server_request_add_a_reply(struct evdns_server_request *req, const char *name, int n, const void *addrs, int ttl); EVENT2_EXPORT_SYMBOL int evdns_server_request_add_aaaa_reply(struct evdns_server_request *req, const char *name, int n, const void *addrs, int ttl); EVENT2_EXPORT_SYMBOL int evdns_server_request_add_ptr_reply(struct evdns_server_request *req, struct in_addr *in, const char *inaddr_name, const char *hostname, int ttl); EVENT2_EXPORT_SYMBOL int evdns_server_request_add_cname_reply(struct evdns_server_request *req, const char *name, const char *cname, int ttl); /** Send back a response to a DNS request, and free the request structure. */ EVENT2_EXPORT_SYMBOL int evdns_server_request_respond(struct evdns_server_request *req, int err); /** Free a DNS request without sending back a reply. */ EVENT2_EXPORT_SYMBOL int evdns_server_request_drop(struct evdns_server_request *req); struct sockaddr; /** Get the address that made a DNS request. */ EVENT2_EXPORT_SYMBOL int evdns_server_request_get_requesting_addr(struct evdns_server_request *req, struct sockaddr *sa, int addr_len); /** Callback for evdns_getaddrinfo. */ typedef void (*evdns_getaddrinfo_cb)(int result, struct evutil_addrinfo *res, void *arg); struct evdns_base; struct evdns_getaddrinfo_request; /** Make a non-blocking getaddrinfo request using the dns_base in 'dns_base'. * * If we can answer the request immediately (with an error or not!), then we * invoke cb immediately and return NULL. Otherwise we return * an evdns_getaddrinfo_request and invoke cb later. * * When the callback is invoked, we pass as its first argument the error code * that getaddrinfo would return (or 0 for no error). As its second argument, * we pass the evutil_addrinfo structures we found (or NULL on error). We * pass 'arg' as the third argument. * * Limitations: * * - The AI_V4MAPPED and AI_ALL flags are not currently implemented. * - For ai_socktype, we only handle SOCKTYPE_STREAM, SOCKTYPE_UDP, and 0. * - For ai_protocol, we only handle IPPROTO_TCP, IPPROTO_UDP, and 0. */ EVENT2_EXPORT_SYMBOL struct evdns_getaddrinfo_request *evdns_getaddrinfo( struct evdns_base *dns_base, const char *nodename, const char *servname, const struct evutil_addrinfo *hints_in, evdns_getaddrinfo_cb cb, void *arg); /* Cancel an in-progress evdns_getaddrinfo. This MUST NOT be called after the * getaddrinfo's callback has been invoked. The resolves will be canceled, * and the callback will be invoked with the error EVUTIL_EAI_CANCEL. */ EVENT2_EXPORT_SYMBOL void evdns_getaddrinfo_cancel(struct evdns_getaddrinfo_request *req); /** Retrieve the address of the 'idx'th configured nameserver. @param base The evdns_base to examine. @param idx The index of the nameserver to get the address of. @param sa A location to receive the server's address. @param len The number of bytes available at sa. @return the number of bytes written into sa on success. On failure, returns -1 if idx is greater than the number of configured nameservers, or a value greater than 'len' if len was not high enough. */ EVENT2_EXPORT_SYMBOL int evdns_base_get_nameserver_addr(struct evdns_base *base, int idx, struct sockaddr *sa, ev_socklen_t len); #ifdef __cplusplus } #endif #endif /* !EVENT2_DNS_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/tag.h0000644000076400001440000001146214111362573017527 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_TAG_H_INCLUDED_ #define EVENT2_TAG_H_INCLUDED_ /** @file event2/tag.h Helper functions for reading and writing tagged data onto buffers. */ #include #ifdef __cplusplus extern "C" { #endif #include #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_TIME_H #include #endif /* For int types. */ #include struct evbuffer; /* * Marshaling tagged data - We assume that all tags are inserted in their * numeric order - so that unknown tags will always be higher than the * known ones - and we can just ignore the end of an event buffer. */ EVENT2_EXPORT_SYMBOL void evtag_init(void); /** Unmarshals the header and returns the length of the payload @param evbuf the buffer from which to unmarshal data @param ptag a pointer in which the tag id is being stored @returns -1 on failure or the number of bytes in the remaining payload. */ EVENT2_EXPORT_SYMBOL int evtag_unmarshal_header(struct evbuffer *evbuf, ev_uint32_t *ptag); EVENT2_EXPORT_SYMBOL void evtag_marshal(struct evbuffer *evbuf, ev_uint32_t tag, const void *data, ev_uint32_t len); EVENT2_EXPORT_SYMBOL void evtag_marshal_buffer(struct evbuffer *evbuf, ev_uint32_t tag, struct evbuffer *data); /** Encode an integer and store it in an evbuffer. We encode integers by nybbles; the first nibble contains the number of significant nibbles - 1; this allows us to encode up to 64-bit integers. This function is byte-order independent. @param evbuf evbuffer to store the encoded number @param number a 32-bit integer */ EVENT2_EXPORT_SYMBOL void evtag_encode_int(struct evbuffer *evbuf, ev_uint32_t number); EVENT2_EXPORT_SYMBOL void evtag_encode_int64(struct evbuffer *evbuf, ev_uint64_t number); EVENT2_EXPORT_SYMBOL void evtag_marshal_int(struct evbuffer *evbuf, ev_uint32_t tag, ev_uint32_t integer); EVENT2_EXPORT_SYMBOL void evtag_marshal_int64(struct evbuffer *evbuf, ev_uint32_t tag, ev_uint64_t integer); EVENT2_EXPORT_SYMBOL void evtag_marshal_string(struct evbuffer *buf, ev_uint32_t tag, const char *string); EVENT2_EXPORT_SYMBOL void evtag_marshal_timeval(struct evbuffer *evbuf, ev_uint32_t tag, struct timeval *tv); EVENT2_EXPORT_SYMBOL int evtag_unmarshal(struct evbuffer *src, ev_uint32_t *ptag, struct evbuffer *dst); EVENT2_EXPORT_SYMBOL int evtag_peek(struct evbuffer *evbuf, ev_uint32_t *ptag); EVENT2_EXPORT_SYMBOL int evtag_peek_length(struct evbuffer *evbuf, ev_uint32_t *plength); EVENT2_EXPORT_SYMBOL int evtag_payload_length(struct evbuffer *evbuf, ev_uint32_t *plength); EVENT2_EXPORT_SYMBOL int evtag_consume(struct evbuffer *evbuf); EVENT2_EXPORT_SYMBOL int evtag_unmarshal_int(struct evbuffer *evbuf, ev_uint32_t need_tag, ev_uint32_t *pinteger); EVENT2_EXPORT_SYMBOL int evtag_unmarshal_int64(struct evbuffer *evbuf, ev_uint32_t need_tag, ev_uint64_t *pinteger); EVENT2_EXPORT_SYMBOL int evtag_unmarshal_fixed(struct evbuffer *src, ev_uint32_t need_tag, void *data, size_t len); EVENT2_EXPORT_SYMBOL int evtag_unmarshal_string(struct evbuffer *evbuf, ev_uint32_t need_tag, char **pstring); EVENT2_EXPORT_SYMBOL int evtag_unmarshal_timeval(struct evbuffer *evbuf, ev_uint32_t need_tag, struct timeval *ptv); #ifdef __cplusplus } #endif #endif /* EVENT2_TAG_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/rpc_struct.h0000644000076400001440000000701614111362573021144 0ustar00bernatusers/* * Copyright (c) 2006-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_RPC_STRUCT_H_INCLUDED_ #define EVENT2_RPC_STRUCT_H_INCLUDED_ #ifdef __cplusplus extern "C" { #endif /** @file event2/rpc_struct.h Structures used by rpc.h. Using these structures directly may harm forward compatibility: be careful! */ /* Fix so that people don't have to run with */ #ifndef TAILQ_ENTRY #define EVENT_DEFINED_TQENTRY_ #define TAILQ_ENTRY(type) \ struct { \ struct type *tqe_next; /* next element */ \ struct type **tqe_prev; /* address of previous next element */ \ } #endif /* !TAILQ_ENTRY */ /** * provides information about the completed RPC request. */ struct evrpc_status { #define EVRPC_STATUS_ERR_NONE 0 #define EVRPC_STATUS_ERR_TIMEOUT 1 #define EVRPC_STATUS_ERR_BADPAYLOAD 2 #define EVRPC_STATUS_ERR_UNSTARTED 3 #define EVRPC_STATUS_ERR_HOOKABORTED 4 int error; /* for looking at headers or other information */ struct evhttp_request *http_req; }; /* the structure below needs to be synchronized with evrpc_req_generic */ /* Encapsulates a request */ struct evrpc { TAILQ_ENTRY(evrpc) next; /* the URI at which the request handler lives */ const char* uri; /* creates a new request structure */ void *(*request_new)(void *); void *request_new_arg; /* frees the request structure */ void (*request_free)(void *); /* unmarshals the buffer into the proper request structure */ int (*request_unmarshal)(void *, struct evbuffer *); /* creates a new reply structure */ void *(*reply_new)(void *); void *reply_new_arg; /* frees the reply structure */ void (*reply_free)(void *); /* verifies that the reply is valid */ int (*reply_complete)(void *); /* marshals the reply into a buffer */ void (*reply_marshal)(struct evbuffer*, void *); /* the callback invoked for each received rpc */ void (*cb)(struct evrpc_req_generic *, void *); void *cb_arg; /* reference for further configuration */ struct evrpc_base *base; }; #ifdef EVENT_DEFINED_TQENTRY_ #undef TAILQ_ENTRY #endif #ifdef __cplusplus } #endif #endif /* EVENT2_RPC_STRUCT_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/bufferevent_ssl.h0000644000076400001440000001136014111362573022145 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_BUFFEREVENT_SSL_H_INCLUDED_ #define EVENT2_BUFFEREVENT_SSL_H_INCLUDED_ /** @file event2/bufferevent_ssl.h OpenSSL support for bufferevents. */ #include #include #include #include #ifdef __cplusplus extern "C" { #endif /* This is what openssl's SSL objects are underneath. */ struct ssl_st; /** The state of an SSL object to be used when creating a new SSL bufferevent. */ enum bufferevent_ssl_state { BUFFEREVENT_SSL_OPEN = 0, BUFFEREVENT_SSL_CONNECTING = 1, BUFFEREVENT_SSL_ACCEPTING = 2 }; #if defined(EVENT__HAVE_OPENSSL) || defined(EVENT_IN_DOXYGEN_) /** Create a new SSL bufferevent to send its data over another bufferevent. @param base An event_base to use to detect reading and writing. It must also be the base for the underlying bufferevent. @param underlying A socket to use for this SSL @param ssl A SSL* object from openssl. @param state The current state of the SSL connection @param options One or more bufferevent_options @return A new bufferevent on success, or NULL on failure */ EVENT2_EXPORT_SYMBOL struct bufferevent * bufferevent_openssl_filter_new(struct event_base *base, struct bufferevent *underlying, struct ssl_st *ssl, enum bufferevent_ssl_state state, int options); /** Create a new SSL bufferevent to send its data over an SSL * on a socket. @param base An event_base to use to detect reading and writing @param fd A socket to use for this SSL @param ssl A SSL* object from openssl. @param state The current state of the SSL connection @param options One or more bufferevent_options @return A new bufferevent on success, or NULL on failure. */ EVENT2_EXPORT_SYMBOL struct bufferevent * bufferevent_openssl_socket_new(struct event_base *base, evutil_socket_t fd, struct ssl_st *ssl, enum bufferevent_ssl_state state, int options); /** Control how to report dirty SSL shutdowns. If the peer (or the network, or an attacker) closes the TCP connection before closing the SSL channel, and the protocol is SSL >= v3, this is a "dirty" shutdown. If allow_dirty_shutdown is 0 (default), this is reported as BEV_EVENT_ERROR. If instead allow_dirty_shutdown=1, a dirty shutdown is reported as BEV_EVENT_EOF. (Note that if the protocol is < SSLv3, you will always receive BEV_EVENT_EOF, since SSL 2 and earlier cannot distinguish a secure connection close from a dirty one. This is one reason (among many) not to use SSL 2.) */ EVENT2_EXPORT_SYMBOL int bufferevent_openssl_get_allow_dirty_shutdown(struct bufferevent *bev); EVENT2_EXPORT_SYMBOL void bufferevent_openssl_set_allow_dirty_shutdown(struct bufferevent *bev, int allow_dirty_shutdown); /** Return the underlying openssl SSL * object for an SSL bufferevent. */ EVENT2_EXPORT_SYMBOL struct ssl_st * bufferevent_openssl_get_ssl(struct bufferevent *bufev); /** Tells a bufferevent to begin SSL renegotiation. */ EVENT2_EXPORT_SYMBOL int bufferevent_ssl_renegotiate(struct bufferevent *bev); /** Return the most recent OpenSSL error reported on an SSL bufferevent. */ EVENT2_EXPORT_SYMBOL unsigned long bufferevent_get_openssl_error(struct bufferevent *bev); #endif #ifdef __cplusplus } #endif #endif /* EVENT2_BUFFEREVENT_SSL_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/http_struct.h0000644000076400001440000001131114111362573021330 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_HTTP_STRUCT_H_INCLUDED_ #define EVENT2_HTTP_STRUCT_H_INCLUDED_ /** @file event2/http_struct.h Data structures for http. Using these structures may hurt forward compatibility with later versions of Libevent: be careful! */ #ifdef __cplusplus extern "C" { #endif #include #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_TIME_H #include #endif /* For int types. */ #include /** * the request structure that a server receives. * WARNING: expect this structure to change. I will try to provide * reasonable accessors. */ struct evhttp_request { #if defined(TAILQ_ENTRY) TAILQ_ENTRY(evhttp_request) next; #else struct { struct evhttp_request *tqe_next; struct evhttp_request **tqe_prev; } next; #endif /* the connection object that this request belongs to */ struct evhttp_connection *evcon; int flags; /** The request obj owns the evhttp connection and needs to free it */ #define EVHTTP_REQ_OWN_CONNECTION 0x0001 /** Request was made via a proxy */ #define EVHTTP_PROXY_REQUEST 0x0002 /** The request object is owned by the user; the user must free it */ #define EVHTTP_USER_OWNED 0x0004 /** The request will be used again upstack; freeing must be deferred */ #define EVHTTP_REQ_DEFER_FREE 0x0008 /** The request should be freed upstack */ #define EVHTTP_REQ_NEEDS_FREE 0x0010 struct evkeyvalq *input_headers; struct evkeyvalq *output_headers; /* address of the remote host and the port connection came from */ char *remote_host; ev_uint16_t remote_port; /* cache of the hostname for evhttp_request_get_host */ char *host_cache; enum evhttp_request_kind kind; enum evhttp_cmd_type type; size_t headers_size; size_t body_size; char *uri; /* uri after HTTP request was parsed */ struct evhttp_uri *uri_elems; /* uri elements */ char major; /* HTTP Major number */ char minor; /* HTTP Minor number */ int response_code; /* HTTP Response code */ char *response_code_line; /* Readable response */ struct evbuffer *input_buffer; /* read data */ ev_int64_t ntoread; unsigned chunked:1, /* a chunked request */ userdone:1; /* the user has sent all data */ struct evbuffer *output_buffer; /* outgoing post or data */ /* Callback */ void (*cb)(struct evhttp_request *, void *); void *cb_arg; /* * Chunked data callback - call for each completed chunk if * specified. If not specified, all the data is delivered via * the regular callback. */ void (*chunk_cb)(struct evhttp_request *, void *); /* * Callback added for forked-daapd so they can collect ICY * (shoutcast) metadata from the http header. If return * int is negative the connection will be closed. */ int (*header_cb)(struct evhttp_request *, void *); /* * Error callback - called when error is occured. * @see evhttp_request_error for error types. * * @see evhttp_request_set_error_cb() */ void (*error_cb)(enum evhttp_request_error, void *); /* * Send complete callback - called when the request is actually * sent and completed. */ void (*on_complete_cb)(struct evhttp_request *, void *); void *on_complete_cb_arg; }; #ifdef __cplusplus } #endif #endif /* EVENT2_HTTP_STRUCT_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/tag_compat.h0000644000076400001440000000413514111362573021071 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_TAG_COMPAT_H_INCLUDED_ #define EVENT2_TAG_COMPAT_H_INCLUDED_ /** @file event2/tag_compat.h Obsolete/deprecated functions from tag.h; provided only for backwards compatibility. */ /** @name Misnamed functions @deprecated These macros are deprecated because their names don't follow Libevent's naming conventions. Use evtag_encode_int and evtag_encode_int64 instead. @{ */ #define encode_int(evbuf, number) evtag_encode_int((evbuf), (number)) #define encode_int64(evbuf, number) evtag_encode_int64((evbuf), (number)) /**@}*/ #endif /* EVENT2_TAG_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/http.h0000644000076400001440000012347114111362573017737 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_HTTP_H_INCLUDED_ #define EVENT2_HTTP_H_INCLUDED_ /* For int types. */ #include #include #ifdef __cplusplus extern "C" { #endif /* In case we haven't included the right headers yet. */ struct evbuffer; struct event_base; struct bufferevent; struct evhttp_connection; /** @file event2/http.h * * Basic support for HTTP serving. * * As Libevent is a library for dealing with event notification and most * interesting applications are networked today, I have often found the * need to write HTTP code. The following prototypes and definitions provide * an application with a minimal interface for making HTTP requests and for * creating a very simple HTTP server. */ /* Response codes */ #define HTTP_OK 200 /**< request completed ok */ #define HTTP_NOCONTENT 204 /**< request does not have content */ #define HTTP_MOVEPERM 301 /**< the uri moved permanently */ #define HTTP_MOVETEMP 302 /**< the uri moved temporarily */ #define HTTP_NOTMODIFIED 304 /**< page was not modified from last */ #define HTTP_BADREQUEST 400 /**< invalid http request was made */ #define HTTP_NOTFOUND 404 /**< could not find content for uri */ #define HTTP_BADMETHOD 405 /**< method not allowed for this uri */ #define HTTP_ENTITYTOOLARGE 413 /**< */ #define HTTP_EXPECTATIONFAILED 417 /**< we can't handle this expectation */ #define HTTP_INTERNAL 500 /**< internal error */ #define HTTP_NOTIMPLEMENTED 501 /**< not implemented */ #define HTTP_SERVUNAVAIL 503 /**< the server is not available */ struct evhttp; struct evhttp_request; struct evkeyvalq; struct evhttp_bound_socket; struct evconnlistener; struct evdns_base; /** * Create a new HTTP server. * * @param base (optional) the event base to receive the HTTP events * @return a pointer to a newly initialized evhttp server structure or NULL * on error * @see evhttp_free() */ EVENT2_EXPORT_SYMBOL struct evhttp *evhttp_new(struct event_base *base); /** * Binds an HTTP server on the specified address and port. * * Can be called multiple times to bind the same http server * to multiple different ports. * * @param http a pointer to an evhttp object * @param address a string containing the IP address to listen(2) on * @param port the port number to listen on * @return 0 on success, -1 on failure. * @see evhttp_accept_socket() */ EVENT2_EXPORT_SYMBOL int evhttp_bind_socket(struct evhttp *http, const char *address, ev_uint16_t port); /** * Like evhttp_bind_socket(), but returns a handle for referencing the socket. * * The returned pointer is not valid after \a http is freed. * * @param http a pointer to an evhttp object * @param address a string containing the IP address to listen(2) on * @param port the port number to listen on * @return Handle for the socket on success, NULL on failure. * @see evhttp_bind_socket(), evhttp_del_accept_socket() */ EVENT2_EXPORT_SYMBOL struct evhttp_bound_socket *evhttp_bind_socket_with_handle(struct evhttp *http, const char *address, ev_uint16_t port); /** * Makes an HTTP server accept connections on the specified socket. * * This may be useful to create a socket and then fork multiple instances * of an http server, or when a socket has been communicated via file * descriptor passing in situations where an http servers does not have * permissions to bind to a low-numbered port. * * Can be called multiple times to have the http server listen to * multiple different sockets. * * @param http a pointer to an evhttp object * @param fd a socket fd that is ready for accepting connections * @return 0 on success, -1 on failure. * @see evhttp_bind_socket() */ EVENT2_EXPORT_SYMBOL int evhttp_accept_socket(struct evhttp *http, evutil_socket_t fd); /** * Like evhttp_accept_socket(), but returns a handle for referencing the socket. * * The returned pointer is not valid after \a http is freed. * * @param http a pointer to an evhttp object * @param fd a socket fd that is ready for accepting connections * @return Handle for the socket on success, NULL on failure. * @see evhttp_accept_socket(), evhttp_del_accept_socket() */ EVENT2_EXPORT_SYMBOL struct evhttp_bound_socket *evhttp_accept_socket_with_handle(struct evhttp *http, evutil_socket_t fd); /** * The most low-level evhttp_bind/accept method: takes an evconnlistener, and * returns an evhttp_bound_socket. The listener will be freed when the bound * socket is freed. */ EVENT2_EXPORT_SYMBOL struct evhttp_bound_socket *evhttp_bind_listener(struct evhttp *http, struct evconnlistener *listener); /** * Return the listener used to implement a bound socket. */ EVENT2_EXPORT_SYMBOL struct evconnlistener *evhttp_bound_socket_get_listener(struct evhttp_bound_socket *bound); typedef void evhttp_bound_socket_foreach_fn(struct evhttp_bound_socket *, void *); /** * Applies the function specified in the first argument to all * evhttp_bound_sockets associated with "http". The user must not * attempt to free or remove any connections, sockets or listeners * in the callback "function". * * @param http pointer to an evhttp object * @param function function to apply to every bound socket * @param argument pointer value passed to function for every socket iterated */ EVENT2_EXPORT_SYMBOL void evhttp_foreach_bound_socket(struct evhttp *http, evhttp_bound_socket_foreach_fn *function, void *argument); /** * Makes an HTTP server stop accepting connections on the specified socket * * This may be useful when a socket has been sent via file descriptor passing * and is no longer needed by the current process. * * If you created this bound socket with evhttp_bind_socket_with_handle or * evhttp_accept_socket_with_handle, this function closes the fd you provided. * If you created this bound socket with evhttp_bind_listener, this function * frees the listener you provided. * * \a bound_socket is an invalid pointer after this call returns. * * @param http a pointer to an evhttp object * @param bound_socket a handle returned by evhttp_{bind,accept}_socket_with_handle * @see evhttp_bind_socket_with_handle(), evhttp_accept_socket_with_handle() */ EVENT2_EXPORT_SYMBOL void evhttp_del_accept_socket(struct evhttp *http, struct evhttp_bound_socket *bound_socket); /** * Get the raw file descriptor referenced by an evhttp_bound_socket. * * @param bound_socket a handle returned by evhttp_{bind,accept}_socket_with_handle * @return the file descriptor used by the bound socket * @see evhttp_bind_socket_with_handle(), evhttp_accept_socket_with_handle() */ EVENT2_EXPORT_SYMBOL evutil_socket_t evhttp_bound_socket_get_fd(struct evhttp_bound_socket *bound_socket); /** * Free the previously created HTTP server. * * Works only if no requests are currently being served. * * @param http the evhttp server object to be freed * @see evhttp_start() */ EVENT2_EXPORT_SYMBOL void evhttp_free(struct evhttp* http); /** XXX Document. */ EVENT2_EXPORT_SYMBOL void evhttp_set_max_headers_size(struct evhttp* http, ev_ssize_t max_headers_size); /** XXX Document. */ EVENT2_EXPORT_SYMBOL void evhttp_set_max_body_size(struct evhttp* http, ev_ssize_t max_body_size); /** Set the value to use for the Content-Type header when none was provided. If the content type string is NULL, the Content-Type header will not be automatically added. @param http the http server on which to set the default content type @param content_type the value for the Content-Type header */ EVENT2_EXPORT_SYMBOL void evhttp_set_default_content_type(struct evhttp *http, const char *content_type); /** Sets the what HTTP methods are supported in requests accepted by this server, and passed to user callbacks. If not supported they will generate a "405 Method not allowed" response. By default this includes the following methods: GET, POST, HEAD, PUT, DELETE @param http the http server on which to set the methods @param methods bit mask constructed from evhttp_cmd_type values */ EVENT2_EXPORT_SYMBOL void evhttp_set_allowed_methods(struct evhttp* http, ev_uint16_t methods); /** Set a callback for a specified URI @param http the http sever on which to set the callback @param path the path for which to invoke the callback @param cb the callback function that gets invoked on requesting path @param cb_arg an additional context argument for the callback @return 0 on success, -1 if the callback existed already, -2 on failure */ EVENT2_EXPORT_SYMBOL int evhttp_set_cb(struct evhttp *http, const char *path, void (*cb)(struct evhttp_request *, void *), void *cb_arg); /** Removes the callback for a specified URI */ EVENT2_EXPORT_SYMBOL int evhttp_del_cb(struct evhttp *, const char *); /** Set a callback for all requests that are not caught by specific callbacks Invokes the specified callback for all requests that do not match any of the previously specified request paths. This is catchall for requests not specifically configured with evhttp_set_cb(). @param http the evhttp server object for which to set the callback @param cb the callback to invoke for any unmatched requests @param arg an context argument for the callback */ EVENT2_EXPORT_SYMBOL void evhttp_set_gencb(struct evhttp *http, void (*cb)(struct evhttp_request *, void *), void *arg); /** Set a callback used to create new bufferevents for connections to a given evhttp object. You can use this to override the default bufferevent type -- for example, to make this evhttp object use SSL bufferevents rather than unencrypted ones. New bufferevents must be allocated with no fd set on them. @param http the evhttp server object for which to set the callback @param cb the callback to invoke for incoming connections @param arg an context argument for the callback */ EVENT2_EXPORT_SYMBOL void evhttp_set_bevcb(struct evhttp *http, struct bufferevent *(*cb)(struct event_base *, void *), void *arg); /** Adds a virtual host to the http server. A virtual host is a newly initialized evhttp object that has request callbacks set on it via evhttp_set_cb() or evhttp_set_gencb(). It most not have any listing sockets associated with it. If the virtual host has not been removed by the time that evhttp_free() is called on the main http server, it will be automatically freed, too. It is possible to have hierarchical vhosts. For example: A vhost with the pattern *.example.com may have other vhosts with patterns foo.example.com and bar.example.com associated with it. @param http the evhttp object to which to add a virtual host @param pattern the glob pattern against which the hostname is matched. The match is case insensitive and follows otherwise regular shell matching. @param vhost the virtual host to add the regular http server. @return 0 on success, -1 on failure @see evhttp_remove_virtual_host() */ EVENT2_EXPORT_SYMBOL int evhttp_add_virtual_host(struct evhttp* http, const char *pattern, struct evhttp* vhost); /** Removes a virtual host from the http server. @param http the evhttp object from which to remove the virtual host @param vhost the virtual host to remove from the regular http server. @return 0 on success, -1 on failure @see evhttp_add_virtual_host() */ EVENT2_EXPORT_SYMBOL int evhttp_remove_virtual_host(struct evhttp* http, struct evhttp* vhost); /** Add a server alias to an http object. The http object can be a virtual host or the main server. @param http the evhttp object @param alias the alias to add @see evhttp_add_remove_alias() */ EVENT2_EXPORT_SYMBOL int evhttp_add_server_alias(struct evhttp *http, const char *alias); /** Remove a server alias from an http object. @param http the evhttp object @param alias the alias to remove @see evhttp_add_server_alias() */ EVENT2_EXPORT_SYMBOL int evhttp_remove_server_alias(struct evhttp *http, const char *alias); /** * Set the timeout for an HTTP request. * * @param http an evhttp object * @param timeout_in_secs the timeout, in seconds */ EVENT2_EXPORT_SYMBOL void evhttp_set_timeout(struct evhttp *http, int timeout_in_secs); /** * Set the timeout for an HTTP request. * * @param http an evhttp object * @param tv the timeout, or NULL */ EVENT2_EXPORT_SYMBOL void evhttp_set_timeout_tv(struct evhttp *http, const struct timeval* tv); /* Read all the clients body, and only after this respond with an error if the * clients body exceed max_body_size */ #define EVHTTP_SERVER_LINGERING_CLOSE 0x0001 /** * Set connection flags for HTTP server. * * @see EVHTTP_SERVER_* * @return 0 on success, otherwise non zero (for example if flag doesn't * supported). */ EVENT2_EXPORT_SYMBOL int evhttp_set_flags(struct evhttp *http, int flags); /* Request/Response functionality */ /** * Send an HTML error message to the client. * * @param req a request object * @param error the HTTP error code * @param reason a brief explanation of the error. If this is NULL, we'll * just use the standard meaning of the error code. */ EVENT2_EXPORT_SYMBOL void evhttp_send_error(struct evhttp_request *req, int error, const char *reason); /** * Send an HTML reply to the client. * * The body of the reply consists of the data in databuf. After calling * evhttp_send_reply() databuf will be empty, but the buffer is still * owned by the caller and needs to be deallocated by the caller if * necessary. * * @param req a request object * @param code the HTTP response code to send * @param reason a brief message to send with the response code * @param databuf the body of the response */ EVENT2_EXPORT_SYMBOL void evhttp_send_reply(struct evhttp_request *req, int code, const char *reason, struct evbuffer *databuf); /* Low-level response interface, for streaming/chunked replies */ /** Initiate a reply that uses Transfer-Encoding chunked. This allows the caller to stream the reply back to the client and is useful when either not all of the reply data is immediately available or when sending very large replies. The caller needs to supply data chunks with evhttp_send_reply_chunk() and complete the reply by calling evhttp_send_reply_end(). @param req a request object @param code the HTTP response code to send @param reason a brief message to send with the response code */ EVENT2_EXPORT_SYMBOL void evhttp_send_reply_start(struct evhttp_request *req, int code, const char *reason); /** Send another data chunk as part of an ongoing chunked reply. The reply chunk consists of the data in databuf. After calling evhttp_send_reply_chunk() databuf will be empty, but the buffer is still owned by the caller and needs to be deallocated by the caller if necessary. @param req a request object @param databuf the data chunk to send as part of the reply. */ EVENT2_EXPORT_SYMBOL void evhttp_send_reply_chunk(struct evhttp_request *req, struct evbuffer *databuf); /** Send another data chunk as part of an ongoing chunked reply. The reply chunk consists of the data in databuf. After calling evhttp_send_reply_chunk() databuf will be empty, but the buffer is still owned by the caller and needs to be deallocated by the caller if necessary. @param req a request object @param databuf the data chunk to send as part of the reply. @param cb callback funcion @param call back's argument. */ EVENT2_EXPORT_SYMBOL void evhttp_send_reply_chunk_with_cb(struct evhttp_request *, struct evbuffer *, void (*cb)(struct evhttp_connection *, void *), void *arg); /** Complete a chunked reply, freeing the request as appropriate. @param req a request object */ EVENT2_EXPORT_SYMBOL void evhttp_send_reply_end(struct evhttp_request *req); /* * Interfaces for making requests */ /** The different request types supported by evhttp. These are as specified * in RFC2616, except for PATCH which is specified by RFC5789. * * By default, only some of these methods are accepted and passed to user * callbacks; use evhttp_set_allowed_methods() to change which methods * are allowed. */ enum evhttp_cmd_type { EVHTTP_REQ_GET = 1 << 0, EVHTTP_REQ_POST = 1 << 1, EVHTTP_REQ_HEAD = 1 << 2, EVHTTP_REQ_PUT = 1 << 3, EVHTTP_REQ_DELETE = 1 << 4, EVHTTP_REQ_OPTIONS = 1 << 5, EVHTTP_REQ_TRACE = 1 << 6, EVHTTP_REQ_CONNECT = 1 << 7, EVHTTP_REQ_PATCH = 1 << 8 }; /** a request object can represent either a request or a reply */ enum evhttp_request_kind { EVHTTP_REQUEST, EVHTTP_RESPONSE }; /** * Create and return a connection object that can be used to for making HTTP * requests. The connection object tries to resolve address and establish the * connection when it is given an http request object. * * @param base the event_base to use for handling the connection * @param dnsbase the dns_base to use for resolving host names; if not * specified host name resolution will block. * @param bev a bufferevent to use for connecting to the server; if NULL, a * socket-based bufferevent will be created. This buffrevent will be freed * when the connection closes. It must have no fd set on it. * @param address the address to which to connect * @param port the port to connect to * @return an evhttp_connection object that can be used for making requests or * NULL on error */ EVENT2_EXPORT_SYMBOL struct evhttp_connection *evhttp_connection_base_bufferevent_new( struct event_base *base, struct evdns_base *dnsbase, struct bufferevent* bev, const char *address, ev_uint16_t port); /** * Return the bufferevent that an evhttp_connection is using. */ EVENT2_EXPORT_SYMBOL struct bufferevent* evhttp_connection_get_bufferevent(struct evhttp_connection *evcon); /** * Return the HTTP server associated with this connection, or NULL. */ EVENT2_EXPORT_SYMBOL struct evhttp *evhttp_connection_get_server(struct evhttp_connection *evcon); /** * Creates a new request object that needs to be filled in with the request * parameters. The callback is executed when the request completed or an * error occurred. */ EVENT2_EXPORT_SYMBOL struct evhttp_request *evhttp_request_new( void (*cb)(struct evhttp_request *, void *), void *arg); /** * Enable delivery of chunks to requestor. * @param cb will be called after every read of data with the same argument * as the completion callback. Will never be called on an empty * response. May drain the input buffer; it will be drained * automatically on return. */ EVENT2_EXPORT_SYMBOL void evhttp_request_set_chunked_cb(struct evhttp_request *, void (*cb)(struct evhttp_request *, void *)); /** * Register callback for additional parsing of request headers. * @param cb will be called after receiving and parsing the full header. * It allows analyzing the header and possibly closing the connection * by returning a value < 0. */ EVENT2_EXPORT_SYMBOL void evhttp_request_set_header_cb(struct evhttp_request *, int (*cb)(struct evhttp_request *, void *)); /** * The different error types supported by evhttp * * @see evhttp_request_set_error_cb() */ enum evhttp_request_error { /** * Timeout reached, also @see evhttp_connection_set_timeout() */ EVREQ_HTTP_TIMEOUT, /** * EOF reached */ EVREQ_HTTP_EOF, /** * Error while reading header, or invalid header */ EVREQ_HTTP_INVALID_HEADER, /** * Error encountered while reading or writing */ EVREQ_HTTP_BUFFER_ERROR, /** * The evhttp_cancel_request() called on this request. */ EVREQ_HTTP_REQUEST_CANCEL, /** * Body is greater then evhttp_connection_set_max_body_size() */ EVREQ_HTTP_DATA_TOO_LONG }; /** * Set a callback for errors * @see evhttp_request_error for error types. * * On error, both the error callback and the regular callback will be called, * error callback is called before the regular callback. **/ EVENT2_EXPORT_SYMBOL void evhttp_request_set_error_cb(struct evhttp_request *, void (*)(enum evhttp_request_error, void *)); /** * Set a callback to be called on request completion of evhttp_send_* function. * * The callback function will be called on the completion of the request after * the output data has been written and before the evhttp_request object * is destroyed. This can be useful for tracking resources associated with a * request (ex: timing metrics). * * @param req a request object * @param cb callback function that will be called on request completion * @param cb_arg an additional context argument for the callback */ EVENT2_EXPORT_SYMBOL void evhttp_request_set_on_complete_cb(struct evhttp_request *req, void (*cb)(struct evhttp_request *, void *), void *cb_arg); /** Frees the request object and removes associated events. */ EVENT2_EXPORT_SYMBOL void evhttp_request_free(struct evhttp_request *req); /** * Create and return a connection object that can be used to for making HTTP * requests. The connection object tries to resolve address and establish the * connection when it is given an http request object. * * @param base the event_base to use for handling the connection * @param dnsbase the dns_base to use for resolving host names; if not * specified host name resolution will block. * @param address the address to which to connect * @param port the port to connect to * @return an evhttp_connection object that can be used for making requests or * NULL on error */ EVENT2_EXPORT_SYMBOL struct evhttp_connection *evhttp_connection_base_new( struct event_base *base, struct evdns_base *dnsbase, const char *address, ev_uint16_t port); /** * Set family hint for DNS requests. */ EVENT2_EXPORT_SYMBOL void evhttp_connection_set_family(struct evhttp_connection *evcon, int family); /* reuse connection address on retry */ #define EVHTTP_CON_REUSE_CONNECTED_ADDR 0x0008 /* Try to read error, since server may already send and close * connection, but if at that time we have some data to send then we * can send get EPIPE and fail, while we can read that HTTP error. */ #define EVHTTP_CON_READ_ON_WRITE_ERROR 0x0010 /* @see EVHTTP_SERVER_LINGERING_CLOSE */ #define EVHTTP_CON_LINGERING_CLOSE 0x0020 /* Padding for public flags, @see EVHTTP_CON_* in http-internal.h */ #define EVHTTP_CON_PUBLIC_FLAGS_END 0x100000 /** * Set connection flags. * * @see EVHTTP_CON_* * @return 0 on success, otherwise non zero (for example if flag doesn't * supported). */ EVENT2_EXPORT_SYMBOL int evhttp_connection_set_flags(struct evhttp_connection *evcon, int flags); /** Takes ownership of the request object * * Can be used in a request callback to keep onto the request until * evhttp_request_free() is explicitly called by the user. */ EVENT2_EXPORT_SYMBOL void evhttp_request_own(struct evhttp_request *req); /** Returns 1 if the request is owned by the user */ EVENT2_EXPORT_SYMBOL int evhttp_request_is_owned(struct evhttp_request *req); /** * Returns the connection object associated with the request or NULL * * The user needs to either free the request explicitly or call * evhttp_send_reply_end(). */ EVENT2_EXPORT_SYMBOL struct evhttp_connection *evhttp_request_get_connection(struct evhttp_request *req); /** * Returns the underlying event_base for this connection */ EVENT2_EXPORT_SYMBOL struct event_base *evhttp_connection_get_base(struct evhttp_connection *req); EVENT2_EXPORT_SYMBOL void evhttp_connection_set_max_headers_size(struct evhttp_connection *evcon, ev_ssize_t new_max_headers_size); EVENT2_EXPORT_SYMBOL void evhttp_connection_set_max_body_size(struct evhttp_connection* evcon, ev_ssize_t new_max_body_size); /** Frees an http connection */ EVENT2_EXPORT_SYMBOL void evhttp_connection_free(struct evhttp_connection *evcon); /** Disowns a given connection object * * Can be used to tell libevent to free the connection object after * the last request has completed or failed. */ EVENT2_EXPORT_SYMBOL void evhttp_connection_free_on_completion(struct evhttp_connection *evcon); /** sets the ip address from which http connections are made */ EVENT2_EXPORT_SYMBOL void evhttp_connection_set_local_address(struct evhttp_connection *evcon, const char *address); /** sets the local port from which http connections are made */ EVENT2_EXPORT_SYMBOL void evhttp_connection_set_local_port(struct evhttp_connection *evcon, ev_uint16_t port); /** Sets the timeout in seconds for events related to this connection */ EVENT2_EXPORT_SYMBOL void evhttp_connection_set_timeout(struct evhttp_connection *evcon, int timeout_in_secs); /** Sets the timeout for events related to this connection. Takes a struct * timeval. */ EVENT2_EXPORT_SYMBOL void evhttp_connection_set_timeout_tv(struct evhttp_connection *evcon, const struct timeval *tv); /** Sets the delay before retrying requests on this connection. This is only * used if evhttp_connection_set_retries is used to make the number of retries * at least one. Each retry after the first is twice as long as the one before * it. */ EVENT2_EXPORT_SYMBOL void evhttp_connection_set_initial_retry_tv(struct evhttp_connection *evcon, const struct timeval *tv); /** Sets the retry limit for this connection - -1 repeats indefinitely */ EVENT2_EXPORT_SYMBOL void evhttp_connection_set_retries(struct evhttp_connection *evcon, int retry_max); /** Set a callback for connection close. */ EVENT2_EXPORT_SYMBOL void evhttp_connection_set_closecb(struct evhttp_connection *evcon, void (*)(struct evhttp_connection *, void *), void *); /** Get the remote address and port associated with this connection. */ EVENT2_EXPORT_SYMBOL void evhttp_connection_get_peer(struct evhttp_connection *evcon, char **address, ev_uint16_t *port); /** Get the remote address associated with this connection. * extracted from getpeername() OR from nameserver. * * @return NULL if getpeername() return non success, * or connection is not connected, * otherwise it return pointer to struct sockaddr_storage */ EVENT2_EXPORT_SYMBOL const struct sockaddr* evhttp_connection_get_addr(struct evhttp_connection *evcon); /** Make an HTTP request over the specified connection. The connection gets ownership of the request. On failure, the request object is no longer valid as it has been freed. @param evcon the evhttp_connection object over which to send the request @param req the previously created and configured request object @param type the request type EVHTTP_REQ_GET, EVHTTP_REQ_POST, etc. @param uri the URI associated with the request @return 0 on success, -1 on failure @see evhttp_cancel_request() */ EVENT2_EXPORT_SYMBOL int evhttp_make_request(struct evhttp_connection *evcon, struct evhttp_request *req, enum evhttp_cmd_type type, const char *uri); /** Cancels a pending HTTP request. Cancels an ongoing HTTP request. The callback associated with this request is not executed and the request object is freed. If the request is currently being processed, e.g. it is ongoing, the corresponding evhttp_connection object is going to get reset. A request cannot be canceled if its callback has executed already. A request may be canceled reentrantly from its chunked callback. @param req the evhttp_request to cancel; req becomes invalid after this call. */ EVENT2_EXPORT_SYMBOL void evhttp_cancel_request(struct evhttp_request *req); /** * A structure to hold a parsed URI or Relative-Ref conforming to RFC3986. */ struct evhttp_uri; /** Returns the request URI */ EVENT2_EXPORT_SYMBOL const char *evhttp_request_get_uri(const struct evhttp_request *req); /** Returns the request URI (parsed) */ EVENT2_EXPORT_SYMBOL const struct evhttp_uri *evhttp_request_get_evhttp_uri(const struct evhttp_request *req); /** Returns the request command */ EVENT2_EXPORT_SYMBOL enum evhttp_cmd_type evhttp_request_get_command(const struct evhttp_request *req); EVENT2_EXPORT_SYMBOL int evhttp_request_get_response_code(const struct evhttp_request *req); EVENT2_EXPORT_SYMBOL const char * evhttp_request_get_response_code_line(const struct evhttp_request *req); /** Returns the input headers */ EVENT2_EXPORT_SYMBOL struct evkeyvalq *evhttp_request_get_input_headers(struct evhttp_request *req); /** Returns the output headers */ EVENT2_EXPORT_SYMBOL struct evkeyvalq *evhttp_request_get_output_headers(struct evhttp_request *req); /** Returns the input buffer */ EVENT2_EXPORT_SYMBOL struct evbuffer *evhttp_request_get_input_buffer(struct evhttp_request *req); /** Returns the output buffer */ EVENT2_EXPORT_SYMBOL struct evbuffer *evhttp_request_get_output_buffer(struct evhttp_request *req); /** Returns the host associated with the request. If a client sends an absolute URI, the host part of that is preferred. Otherwise, the input headers are searched for a Host: header. NULL is returned if no absolute URI or Host: header is provided. */ EVENT2_EXPORT_SYMBOL const char *evhttp_request_get_host(struct evhttp_request *req); /* Interfaces for dealing with HTTP headers */ /** Finds the value belonging to a header. @param headers the evkeyvalq object in which to find the header @param key the name of the header to find @returns a pointer to the value for the header or NULL if the header could not be found. @see evhttp_add_header(), evhttp_remove_header() */ EVENT2_EXPORT_SYMBOL const char *evhttp_find_header(const struct evkeyvalq *headers, const char *key); /** Removes a header from a list of existing headers. @param headers the evkeyvalq object from which to remove a header @param key the name of the header to remove @returns 0 if the header was removed, -1 otherwise. @see evhttp_find_header(), evhttp_add_header() */ EVENT2_EXPORT_SYMBOL int evhttp_remove_header(struct evkeyvalq *headers, const char *key); /** Adds a header to a list of existing headers. @param headers the evkeyvalq object to which to add a header @param key the name of the header @param value the value belonging to the header @returns 0 on success, -1 otherwise. @see evhttp_find_header(), evhttp_clear_headers() */ EVENT2_EXPORT_SYMBOL int evhttp_add_header(struct evkeyvalq *headers, const char *key, const char *value); /** Removes all headers from the header list. @param headers the evkeyvalq object from which to remove all headers */ EVENT2_EXPORT_SYMBOL void evhttp_clear_headers(struct evkeyvalq *headers); /* Miscellaneous utility functions */ /** Helper function to encode a string for inclusion in a URI. All characters are replaced by their hex-escaped (%22) equivalents, except for characters explicitly unreserved by RFC3986 -- that is, ASCII alphanumeric characters, hyphen, dot, underscore, and tilde. The returned string must be freed by the caller. @param str an unencoded string @return a newly allocated URI-encoded string or NULL on failure */ EVENT2_EXPORT_SYMBOL char *evhttp_encode_uri(const char *str); /** As evhttp_encode_uri, but if 'size' is nonnegative, treat the string as being 'size' bytes long. This allows you to encode strings that may contain 0-valued bytes. The returned string must be freed by the caller. @param str an unencoded string @param size the length of the string to encode, or -1 if the string is NUL-terminated @param space_to_plus if true, space characters in 'str' are encoded as +, not %20. @return a newly allocate URI-encoded string, or NULL on failure. */ EVENT2_EXPORT_SYMBOL char *evhttp_uriencode(const char *str, ev_ssize_t size, int space_to_plus); /** Helper function to sort of decode a URI-encoded string. Unlike evhttp_uridecode, it decodes all plus characters that appear _after_ the first question mark character, but no plusses that occur before. This is not a good way to decode URIs in whole or in part. The returned string must be freed by the caller @deprecated This function is deprecated; you probably want to use evhttp_uridecode instead. @param uri an encoded URI @return a newly allocated unencoded URI or NULL on failure */ EVENT2_EXPORT_SYMBOL char *evhttp_decode_uri(const char *uri); /** Helper function to decode a URI-escaped string or HTTP parameter. If 'decode_plus' is 1, then we decode the string as an HTTP parameter value, and convert all plus ('+') characters to spaces. If 'decode_plus' is 0, we leave all plus characters unchanged. The returned string must be freed by the caller. @param uri a URI-encode encoded URI @param decode_plus determines whether we convert '+' to space. @param size_out if size_out is not NULL, *size_out is set to the size of the returned string @return a newly allocated unencoded URI or NULL on failure */ EVENT2_EXPORT_SYMBOL char *evhttp_uridecode(const char *uri, int decode_plus, size_t *size_out); /** Helper function to parse out arguments in a query. Parsing a URI like http://foo.com/?q=test&s=some+thing will result in two entries in the key value queue. The first entry is: key="q", value="test" The second entry is: key="s", value="some thing" @deprecated This function is deprecated as of Libevent 2.0.9. Use evhttp_uri_parse and evhttp_parse_query_str instead. @param uri the request URI @param headers the head of the evkeyval queue @return 0 on success, -1 on failure */ EVENT2_EXPORT_SYMBOL int evhttp_parse_query(const char *uri, struct evkeyvalq *headers); /** Helper function to parse out arguments from the query portion of an HTTP URI. Parsing a query string like q=test&s=some+thing will result in two entries in the key value queue. The first entry is: key="q", value="test" The second entry is: key="s", value="some thing" @param query_parse the query portion of the URI @param headers the head of the evkeyval queue @return 0 on success, -1 on failure */ EVENT2_EXPORT_SYMBOL int evhttp_parse_query_str(const char *uri, struct evkeyvalq *headers); /** * Escape HTML character entities in a string. * * Replaces <, >, ", ' and & with <, >, ", * ' and & correspondingly. * * The returned string needs to be freed by the caller. * * @param html an unescaped HTML string * @return an escaped HTML string or NULL on error */ EVENT2_EXPORT_SYMBOL char *evhttp_htmlescape(const char *html); /** * Return a new empty evhttp_uri with no fields set. */ EVENT2_EXPORT_SYMBOL struct evhttp_uri *evhttp_uri_new(void); /** * Changes the flags set on a given URI. See EVHTTP_URI_* for * a list of flags. **/ EVENT2_EXPORT_SYMBOL void evhttp_uri_set_flags(struct evhttp_uri *uri, unsigned flags); /** Return the scheme of an evhttp_uri, or NULL if there is no scheme has * been set and the evhttp_uri contains a Relative-Ref. */ EVENT2_EXPORT_SYMBOL const char *evhttp_uri_get_scheme(const struct evhttp_uri *uri); /** * Return the userinfo part of an evhttp_uri, or NULL if it has no userinfo * set. */ EVENT2_EXPORT_SYMBOL const char *evhttp_uri_get_userinfo(const struct evhttp_uri *uri); /** * Return the host part of an evhttp_uri, or NULL if it has no host set. * The host may either be a regular hostname (conforming to the RFC 3986 * "regname" production), or an IPv4 address, or the empty string, or a * bracketed IPv6 address, or a bracketed 'IP-Future' address. * * Note that having a NULL host means that the URI has no authority * section, but having an empty-string host means that the URI has an * authority section with no host part. For example, * "mailto:user@example.com" has a host of NULL, but "file:///etc/motd" * has a host of "". */ EVENT2_EXPORT_SYMBOL const char *evhttp_uri_get_host(const struct evhttp_uri *uri); /** Return the port part of an evhttp_uri, or -1 if there is no port set. */ EVENT2_EXPORT_SYMBOL int evhttp_uri_get_port(const struct evhttp_uri *uri); /** Return the path part of an evhttp_uri, or NULL if it has no path set */ EVENT2_EXPORT_SYMBOL const char *evhttp_uri_get_path(const struct evhttp_uri *uri); /** Return the query part of an evhttp_uri (excluding the leading "?"), or * NULL if it has no query set */ EVENT2_EXPORT_SYMBOL const char *evhttp_uri_get_query(const struct evhttp_uri *uri); /** Return the fragment part of an evhttp_uri (excluding the leading "#"), * or NULL if it has no fragment set */ EVENT2_EXPORT_SYMBOL const char *evhttp_uri_get_fragment(const struct evhttp_uri *uri); /** Set the scheme of an evhttp_uri, or clear the scheme if scheme==NULL. * Returns 0 on success, -1 if scheme is not well-formed. */ EVENT2_EXPORT_SYMBOL int evhttp_uri_set_scheme(struct evhttp_uri *uri, const char *scheme); /** Set the userinfo of an evhttp_uri, or clear the userinfo if userinfo==NULL. * Returns 0 on success, -1 if userinfo is not well-formed. */ EVENT2_EXPORT_SYMBOL int evhttp_uri_set_userinfo(struct evhttp_uri *uri, const char *userinfo); /** Set the host of an evhttp_uri, or clear the host if host==NULL. * Returns 0 on success, -1 if host is not well-formed. */ EVENT2_EXPORT_SYMBOL int evhttp_uri_set_host(struct evhttp_uri *uri, const char *host); /** Set the port of an evhttp_uri, or clear the port if port==-1. * Returns 0 on success, -1 if port is not well-formed. */ EVENT2_EXPORT_SYMBOL int evhttp_uri_set_port(struct evhttp_uri *uri, int port); /** Set the path of an evhttp_uri, or clear the path if path==NULL. * Returns 0 on success, -1 if path is not well-formed. */ EVENT2_EXPORT_SYMBOL int evhttp_uri_set_path(struct evhttp_uri *uri, const char *path); /** Set the query of an evhttp_uri, or clear the query if query==NULL. * The query should not include a leading "?". * Returns 0 on success, -1 if query is not well-formed. */ EVENT2_EXPORT_SYMBOL int evhttp_uri_set_query(struct evhttp_uri *uri, const char *query); /** Set the fragment of an evhttp_uri, or clear the fragment if fragment==NULL. * The fragment should not include a leading "#". * Returns 0 on success, -1 if fragment is not well-formed. */ EVENT2_EXPORT_SYMBOL int evhttp_uri_set_fragment(struct evhttp_uri *uri, const char *fragment); /** * Helper function to parse a URI-Reference as specified by RFC3986. * * This function matches the URI-Reference production from RFC3986, * which includes both URIs like * * scheme://[[userinfo]@]foo.com[:port]]/[path][?query][#fragment] * * and relative-refs like * * [path][?query][#fragment] * * Any optional elements portions not present in the original URI are * left set to NULL in the resulting evhttp_uri. If no port is * specified, the port is set to -1. * * Note that no decoding is performed on percent-escaped characters in * the string; if you want to parse them, use evhttp_uridecode or * evhttp_parse_query_str as appropriate. * * Note also that most URI schemes will have additional constraints that * this function does not know about, and cannot check. For example, * mailto://www.example.com/cgi-bin/fortune.pl is not a reasonable * mailto url, http://www.example.com:99999/ is not a reasonable HTTP * URL, and ftp:username@example.com is not a reasonable FTP URL. * Nevertheless, all of these URLs conform to RFC3986, and this function * accepts all of them as valid. * * @param source_uri the request URI * @param flags Zero or more EVHTTP_URI_* flags to affect the behavior * of the parser. * @return uri container to hold parsed data, or NULL if there is error * @see evhttp_uri_free() */ EVENT2_EXPORT_SYMBOL struct evhttp_uri *evhttp_uri_parse_with_flags(const char *source_uri, unsigned flags); /** Tolerate URIs that do not conform to RFC3986. * * Unfortunately, some HTTP clients generate URIs that, according to RFC3986, * are not conformant URIs. If you need to support these URIs, you can * do so by passing this flag to evhttp_uri_parse_with_flags. * * Currently, these changes are: *
    *
  • Nonconformant URIs are allowed to contain otherwise unreasonable * characters in their path, query, and fragment components. *
*/ #define EVHTTP_URI_NONCONFORMANT 0x01 /** Alias for evhttp_uri_parse_with_flags(source_uri, 0) */ EVENT2_EXPORT_SYMBOL struct evhttp_uri *evhttp_uri_parse(const char *source_uri); /** * Free all memory allocated for a parsed uri. Only use this for URIs * generated by evhttp_uri_parse. * * @param uri container with parsed data * @see evhttp_uri_parse() */ EVENT2_EXPORT_SYMBOL void evhttp_uri_free(struct evhttp_uri *uri); /** * Join together the uri parts from parsed data to form a URI-Reference. * * Note that no escaping of reserved characters is done on the members * of the evhttp_uri, so the generated string might not be a valid URI * unless the members of evhttp_uri are themselves valid. * * @param uri container with parsed data * @param buf destination buffer * @param limit destination buffer size * @return an joined uri as string or NULL on error * @see evhttp_uri_parse() */ EVENT2_EXPORT_SYMBOL char *evhttp_uri_join(struct evhttp_uri *uri, char *buf, size_t limit); #ifdef __cplusplus } #endif #endif /* EVENT2_HTTP_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/bufferevent_compat.h0000644000076400001440000001067214111362573022634 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos, Nick Mathewson * Copyright (c) 2000-2007 Niels Provos * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_BUFFEREVENT_COMPAT_H_INCLUDED_ #define EVENT2_BUFFEREVENT_COMPAT_H_INCLUDED_ #include #define evbuffercb bufferevent_data_cb #define everrorcb bufferevent_event_cb /** Create a new bufferevent for an fd. This function is deprecated. Use bufferevent_socket_new and bufferevent_set_callbacks instead. Libevent provides an abstraction on top of the regular event callbacks. This abstraction is called a buffered event. A buffered event provides input and output buffers that get filled and drained automatically. The user of a buffered event no longer deals directly with the I/O, but instead is reading from input and writing to output buffers. Once initialized, the bufferevent structure can be used repeatedly with bufferevent_enable() and bufferevent_disable(). When read enabled the bufferevent will try to read from the file descriptor and call the read callback. The write callback is executed whenever the output buffer is drained below the write low watermark, which is 0 by default. If multiple bases are in use, bufferevent_base_set() must be called before enabling the bufferevent for the first time. @deprecated This function is deprecated because it uses the current event base, and as such can be error prone for multithreaded programs. Use bufferevent_socket_new() instead. @param fd the file descriptor from which data is read and written to. This file descriptor is not allowed to be a pipe(2). @param readcb callback to invoke when there is data to be read, or NULL if no callback is desired @param writecb callback to invoke when the file descriptor is ready for writing, or NULL if no callback is desired @param errorcb callback to invoke when there is an error on the file descriptor @param cbarg an argument that will be supplied to each of the callbacks (readcb, writecb, and errorcb) @return a pointer to a newly allocated bufferevent struct, or NULL if an error occurred @see bufferevent_base_set(), bufferevent_free() */ EVENT2_EXPORT_SYMBOL struct bufferevent *bufferevent_new(evutil_socket_t fd, evbuffercb readcb, evbuffercb writecb, everrorcb errorcb, void *cbarg); /** Set the read and write timeout for a buffered event. @param bufev the bufferevent to be modified @param timeout_read the read timeout @param timeout_write the write timeout */ EVENT2_EXPORT_SYMBOL void bufferevent_settimeout(struct bufferevent *bufev, int timeout_read, int timeout_write); #define EVBUFFER_READ BEV_EVENT_READING #define EVBUFFER_WRITE BEV_EVENT_WRITING #define EVBUFFER_EOF BEV_EVENT_EOF #define EVBUFFER_ERROR BEV_EVENT_ERROR #define EVBUFFER_TIMEOUT BEV_EVENT_TIMEOUT /** macro for getting access to the input buffer of a bufferevent */ #define EVBUFFER_INPUT(x) bufferevent_get_input(x) /** macro for getting access to the output buffer of a bufferevent */ #define EVBUFFER_OUTPUT(x) bufferevent_get_output(x) #endif lldpd-1.0.18/libevent/include/event2/event.h0000644000076400001440000017160114111362573020077 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_EVENT_H_INCLUDED_ #define EVENT2_EVENT_H_INCLUDED_ /** @mainpage @section intro Introduction Libevent is an event notification library for developing scalable network servers. The Libevent API provides a mechanism to execute a callback function when a specific event occurs on a file descriptor or after a timeout has been reached. Furthermore, Libevent also support callbacks due to signals or regular timeouts. Libevent is meant to replace the event loop found in event driven network servers. An application just needs to call event_base_dispatch() and then add or remove events dynamically without having to change the event loop. Currently, Libevent supports /dev/poll, kqueue(2), select(2), poll(2), epoll(4), and evports. The internal event mechanism is completely independent of the exposed event API, and a simple update of Libevent can provide new functionality without having to redesign the applications. As a result, Libevent allows for portable application development and provides the most scalable event notification mechanism available on an operating system. Libevent can also be used for multithreaded programs. Libevent should compile on Linux, *BSD, Mac OS X, Solaris and, Windows. @section usage Standard usage Every program that uses Libevent must include the header, and pass the -levent flag to the linker. (You can instead link -levent_core if you only want the main event and buffered IO-based code, and don't want to link any protocol code.) @section setup Library setup Before you call any other Libevent functions, you need to set up the library. If you're going to use Libevent from multiple threads in a multithreaded application, you need to initialize thread support -- typically by using evthread_use_pthreads() or evthread_use_windows_threads(). See for more information. This is also the point where you can replace Libevent's memory management functions with event_set_mem_functions, and enable debug mode with event_enable_debug_mode(). @section base Creating an event base Next, you need to create an event_base structure, using event_base_new() or event_base_new_with_config(). The event_base is responsible for keeping track of which events are "pending" (that is to say, being watched to see if they become active) and which events are "active". Every event is associated with a single event_base. @section event Event notification For each file descriptor that you wish to monitor, you must create an event structure with event_new(). (You may also declare an event structure and call event_assign() to initialize the members of the structure.) To enable notification, you add the structure to the list of monitored events by calling event_add(). The event structure must remain allocated as long as it is active, so it should generally be allocated on the heap. @section loop Dispatching events. Finally, you call event_base_dispatch() to loop and dispatch events. You can also use event_base_loop() for more fine-grained control. Currently, only one thread can be dispatching a given event_base at a time. If you want to run events in multiple threads at once, you can either have a single event_base whose events add work to a work queue, or you can create multiple event_base objects. @section bufferevent I/O Buffers Libevent provides a buffered I/O abstraction on top of the regular event callbacks. This abstraction is called a bufferevent. A bufferevent provides input and output buffers that get filled and drained automatically. The user of a buffered event no longer deals directly with the I/O, but instead is reading from input and writing to output buffers. Once initialized via bufferevent_socket_new(), the bufferevent structure can be used repeatedly with bufferevent_enable() and bufferevent_disable(). Instead of reading and writing directly to a socket, you would call bufferevent_read() and bufferevent_write(). When read enabled the bufferevent will try to read from the file descriptor and call the read callback. The write callback is executed whenever the output buffer is drained below the write low watermark, which is 0 by default. See for more information. @section timers Timers Libevent can also be used to create timers that invoke a callback after a certain amount of time has expired. The evtimer_new() macro returns an event struct to use as a timer. To activate the timer, call evtimer_add(). Timers can be deactivated by calling evtimer_del(). (These macros are thin wrappers around event_new(), event_add(), and event_del(); you can also use those instead.) @section evdns Asynchronous DNS resolution Libevent provides an asynchronous DNS resolver that should be used instead of the standard DNS resolver functions. See the functions for more detail. @section evhttp Event-driven HTTP servers Libevent provides a very simple event-driven HTTP server that can be embedded in your program and used to service HTTP requests. To use this capability, you need to include the header in your program. See that header for more information. @section evrpc A framework for RPC servers and clients Libevent provides a framework for creating RPC servers and clients. It takes care of marshaling and unmarshaling all data structures. @section api API Reference To browse the complete documentation of the libevent API, click on any of the following links. event2/event.h The primary libevent header event2/thread.h Functions for use by multithreaded programs event2/buffer.h and event2/bufferevent.h Buffer management for network reading and writing event2/util.h Utility functions for portable nonblocking network code event2/dns.h Asynchronous DNS resolution event2/http.h An embedded libevent-based HTTP server event2/rpc.h A framework for creating RPC servers and clients */ /** @file event2/event.h Core functions for waiting for and receiving events, and using event bases. */ #include #ifdef __cplusplus extern "C" { #endif #include #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include /* For int types. */ #include /** * Structure to hold information and state for a Libevent dispatch loop. * * The event_base lies at the center of Libevent; every application will * have one. It keeps track of all pending and active events, and * notifies your application of the active ones. * * This is an opaque structure; you can allocate one using * event_base_new() or event_base_new_with_config(). * * @see event_base_new(), event_base_free(), event_base_loop(), * event_base_new_with_config() */ struct event_base #ifdef EVENT_IN_DOXYGEN_ {/*Empty body so that doxygen will generate documentation here.*/} #endif ; /** * @struct event * * Structure to represent a single event. * * An event can have some underlying condition it represents: a socket * becoming readable or writeable (or both), or a signal becoming raised. * (An event that represents no underlying condition is still useful: you * can use one to implement a timer, or to communicate between threads.) * * Generally, you can create events with event_new(), then make them * pending with event_add(). As your event_base runs, it will run the * callbacks of an events whose conditions are triggered. When you no * longer want the event, free it with event_free(). * * In more depth: * * An event may be "pending" (one whose condition we are watching), * "active" (one whose condition has triggered and whose callback is about * to run), neither, or both. Events come into existence via * event_assign() or event_new(), and are then neither active nor pending. * * To make an event pending, pass it to event_add(). When doing so, you * can also set a timeout for the event. * * Events become active during an event_base_loop() call when either their * condition has triggered, or when their timeout has elapsed. You can * also activate an event manually using event_active(). The even_base * loop will run the callbacks of active events; after it has done so, it * marks them as no longer active. * * You can make an event non-pending by passing it to event_del(). This * also makes the event non-active. * * Events can be "persistent" or "non-persistent". A non-persistent event * becomes non-pending as soon as it is triggered: thus, it only runs at * most once per call to event_add(). A persistent event remains pending * even when it becomes active: you'll need to event_del() it manually in * order to make it non-pending. When a persistent event with a timeout * becomes active, its timeout is reset: this means you can use persistent * events to implement periodic timeouts. * * This should be treated as an opaque structure; you should never read or * write any of its fields directly. For backward compatibility with old * code, it is defined in the event2/event_struct.h header; including this * header may make your code incompatible with other versions of Libevent. * * @see event_new(), event_free(), event_assign(), event_get_assignment(), * event_add(), event_del(), event_active(), event_pending(), * event_get_fd(), event_get_base(), event_get_events(), * event_get_callback(), event_get_callback_arg(), * event_priority_set() */ struct event #ifdef EVENT_IN_DOXYGEN_ {/*Empty body so that doxygen will generate documentation here.*/} #endif ; /** * Configuration for an event_base. * * There are many options that can be used to alter the behavior and * implementation of an event_base. To avoid having to pass them all in a * complex many-argument constructor, we provide an abstract data type * where you set up configuration information before passing it to * event_base_new_with_config(). * * @see event_config_new(), event_config_free(), event_base_new_with_config(), * event_config_avoid_method(), event_config_require_features(), * event_config_set_flag(), event_config_set_num_cpus_hint() */ struct event_config #ifdef EVENT_IN_DOXYGEN_ {/*Empty body so that doxygen will generate documentation here.*/} #endif ; /** * Enable some relatively expensive debugging checks in Libevent that * would normally be turned off. Generally, these checks cause code that * would otherwise crash mysteriously to fail earlier with an assertion * failure. Note that this method MUST be called before any events or * event_bases have been created. * * Debug mode can currently catch the following errors: * An event is re-assigned while it is added * Any function is called on a non-assigned event * * Note that debugging mode uses memory to track every event that has been * initialized (via event_assign, event_set, or event_new) but not yet * released (via event_free or event_debug_unassign). If you want to use * debug mode, and you find yourself running out of memory, you will need * to use event_debug_unassign to explicitly stop tracking events that * are no longer considered set-up. * * @see event_debug_unassign() */ EVENT2_EXPORT_SYMBOL void event_enable_debug_mode(void); /** * When debugging mode is enabled, informs Libevent that an event should no * longer be considered as assigned. When debugging mode is not enabled, does * nothing. * * This function must only be called on a non-added event. * * @see event_enable_debug_mode() */ EVENT2_EXPORT_SYMBOL void event_debug_unassign(struct event *); /** * Create and return a new event_base to use with the rest of Libevent. * * @return a new event_base on success, or NULL on failure. * * @see event_base_free(), event_base_new_with_config() */ EVENT2_EXPORT_SYMBOL struct event_base *event_base_new(void); /** Reinitialize the event base after a fork Some event mechanisms do not survive across fork. The event base needs to be reinitialized with the event_reinit() function. @param base the event base that needs to be re-initialized @return 0 if successful, or -1 if some events could not be re-added. @see event_base_new() */ EVENT2_EXPORT_SYMBOL int event_reinit(struct event_base *base); /** Event dispatching loop This loop will run the event base until either there are no more pending or active, or until something calls event_base_loopbreak() or event_base_loopexit(). @param base the event_base structure returned by event_base_new() or event_base_new_with_config() @return 0 if successful, -1 if an error occurred, or 1 if we exited because no events were pending or active. @see event_base_loop() */ EVENT2_EXPORT_SYMBOL int event_base_dispatch(struct event_base *); /** Get the kernel event notification mechanism used by Libevent. @param eb the event_base structure returned by event_base_new() @return a string identifying the kernel event mechanism (kqueue, epoll, etc.) */ EVENT2_EXPORT_SYMBOL const char *event_base_get_method(const struct event_base *); /** Gets all event notification mechanisms supported by Libevent. This functions returns the event mechanism in order preferred by Libevent. Note that this list will include all backends that Libevent has compiled-in support for, and will not necessarily check your OS to see whether it has the required resources. @return an array with pointers to the names of support methods. The end of the array is indicated by a NULL pointer. If an error is encountered NULL is returned. */ EVENT2_EXPORT_SYMBOL const char **event_get_supported_methods(void); /** Query the current monotonic time from a the timer for a struct * event_base. */ EVENT2_EXPORT_SYMBOL int event_gettime_monotonic(struct event_base *base, struct timeval *tp); /** @name event type flag Flags to pass to event_base_get_num_events() to specify the kinds of events we want to aggregate counts for */ /**@{*/ /** count the number of active events, which have been triggered.*/ #define EVENT_BASE_COUNT_ACTIVE 1U /** count the number of virtual events, which is used to represent an internal * condition, other than a pending event, that keeps the loop from exiting. */ #define EVENT_BASE_COUNT_VIRTUAL 2U /** count the number of events which have been added to event base, including * internal events. */ #define EVENT_BASE_COUNT_ADDED 4U /**@}*/ /** Gets the number of events in event_base, as specified in the flags. Since event base has some internal events added to make some of its functionalities work, EVENT_BASE_COUNT_ADDED may return more than the number of events you added using event_add(). If you pass EVENT_BASE_COUNT_ACTIVE and EVENT_BASE_COUNT_ADDED together, an active event will be counted twice. However, this might not be the case in future libevent versions. The return value is an indication of the work load, but the user shouldn't rely on the exact value as this may change in the future. @param eb the event_base structure returned by event_base_new() @param flags a bitwise combination of the kinds of events to aggregate counts for @return the number of events specified in the flags */ EVENT2_EXPORT_SYMBOL int event_base_get_num_events(struct event_base *, unsigned int); /** Get the maximum number of events in a given event_base as specified in the flags. @param eb the event_base structure returned by event_base_new() @param flags a bitwise combination of the kinds of events to aggregate counts for @param clear option used to reset the maximum count. @return the number of events specified in the flags */ EVENT2_EXPORT_SYMBOL int event_base_get_max_events(struct event_base *, unsigned int, int); /** Allocates a new event configuration object. The event configuration object can be used to change the behavior of an event base. @return an event_config object that can be used to store configuration, or NULL if an error is encountered. @see event_base_new_with_config(), event_config_free(), event_config */ EVENT2_EXPORT_SYMBOL struct event_config *event_config_new(void); /** Deallocates all memory associated with an event configuration object @param cfg the event configuration object to be freed. */ EVENT2_EXPORT_SYMBOL void event_config_free(struct event_config *cfg); /** Enters an event method that should be avoided into the configuration. This can be used to avoid event mechanisms that do not support certain file descriptor types, or for debugging to avoid certain event mechanisms. An application can make use of multiple event bases to accommodate incompatible file descriptor types. @param cfg the event configuration object @param method the name of the event method to avoid @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int event_config_avoid_method(struct event_config *cfg, const char *method); /** A flag used to describe which features an event_base (must) provide. Because of OS limitations, not every Libevent backend supports every possible feature. You can use this type with event_config_require_features() to tell Libevent to only proceed if your event_base implements a given feature, and you can receive this type from event_base_get_features() to see which features are available. */ enum event_method_feature { /** Require an event method that allows edge-triggered events with EV_ET. */ EV_FEATURE_ET = 0x01, /** Require an event method where having one event triggered among * many is [approximately] an O(1) operation. This excludes (for * example) select and poll, which are approximately O(N) for N * equal to the total number of possible events. */ EV_FEATURE_O1 = 0x02, /** Require an event method that allows file descriptors as well as * sockets. */ EV_FEATURE_FDS = 0x04, /** Require an event method that allows you to use EV_CLOSED to detect * connection close without the necessity of reading all the pending data. * * Methods that do support EV_CLOSED may not be able to provide support on * all kernel versions. **/ EV_FEATURE_EARLY_CLOSE = 0x08 }; /** A flag passed to event_config_set_flag(). These flags change the behavior of an allocated event_base. @see event_config_set_flag(), event_base_new_with_config(), event_method_feature */ enum event_base_config_flag { /** Do not allocate a lock for the event base, even if we have locking set up. Setting this option will make it unsafe and nonfunctional to call functions on the base concurrently from multiple threads. */ EVENT_BASE_FLAG_NOLOCK = 0x01, /** Do not check the EVENT_* environment variables when configuring an event_base */ EVENT_BASE_FLAG_IGNORE_ENV = 0x02, /** Windows only: enable the IOCP dispatcher at startup If this flag is set then bufferevent_socket_new() and evconn_listener_new() will use IOCP-backed implementations instead of the usual select-based one on Windows. */ EVENT_BASE_FLAG_STARTUP_IOCP = 0x04, /** Instead of checking the current time every time the event loop is ready to run timeout callbacks, check after each timeout callback. */ EVENT_BASE_FLAG_NO_CACHE_TIME = 0x08, /** If we are using the epoll backend, this flag says that it is safe to use Libevent's internal change-list code to batch up adds and deletes in order to try to do as few syscalls as possible. Setting this flag can make your code run faster, but it may trigger a Linux bug: it is not safe to use this flag if you have any fds cloned by dup() or its variants. Doing so will produce strange and hard-to-diagnose bugs. This flag can also be activated by setting the EVENT_EPOLL_USE_CHANGELIST environment variable. This flag has no effect if you wind up using a backend other than epoll. */ EVENT_BASE_FLAG_EPOLL_USE_CHANGELIST = 0x10, /** Ordinarily, Libevent implements its time and timeout code using the fastest monotonic timer that we have. If this flag is set, however, we use less efficient more precise timer, assuming one is present. */ EVENT_BASE_FLAG_PRECISE_TIMER = 0x20 }; /** Return a bitmask of the features implemented by an event base. This will be a bitwise OR of one or more of the values of event_method_feature @see event_method_feature */ EVENT2_EXPORT_SYMBOL int event_base_get_features(const struct event_base *base); /** Enters a required event method feature that the application demands. Note that not every feature or combination of features is supported on every platform. Code that requests features should be prepared to handle the case where event_base_new_with_config() returns NULL, as in: 
     event_config_require_features(cfg, EV_FEATURE_ET);
     base = event_base_new_with_config(cfg);
     if (base == NULL) {
       // We can't get edge-triggered behavior here.
       event_config_require_features(cfg, 0);
       base = event_base_new_with_config(cfg);
     }
@param cfg the event configuration object @param feature a bitfield of one or more event_method_feature values. Replaces values from previous calls to this function. @return 0 on success, -1 on failure. @see event_method_feature, event_base_new_with_config() */ EVENT2_EXPORT_SYMBOL int event_config_require_features(struct event_config *cfg, int feature); /** * Sets one or more flags to configure what parts of the eventual event_base * will be initialized, and how they'll work. * * @see event_base_config_flags, event_base_new_with_config() **/ EVENT2_EXPORT_SYMBOL int event_config_set_flag(struct event_config *cfg, int flag); /** * Records a hint for the number of CPUs in the system. This is used for * tuning thread pools, etc, for optimal performance. In Libevent 2.0, * it is only on Windows, and only when IOCP is in use. * * @param cfg the event configuration object * @param cpus the number of cpus * @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int event_config_set_num_cpus_hint(struct event_config *cfg, int cpus); /** * Record an interval and/or a number of callbacks after which the event base * should check for new events. By default, the event base will run as many * events are as activated at the highest activated priority before checking * for new events. If you configure it by setting max_interval, it will check * the time after each callback, and not allow more than max_interval to * elapse before checking for new events. If you configure it by setting * max_callbacks to a value >= 0, it will run no more than max_callbacks * callbacks before checking for new events. * * This option can decrease the latency of high-priority events, and * avoid priority inversions where multiple low-priority events keep us from * polling for high-priority events, but at the expense of slightly decreasing * the throughput. Use it with caution! * * @param cfg The event_base configuration object. * @param max_interval An interval after which Libevent should stop running * callbacks and check for more events, or NULL if there should be * no such interval. * @param max_callbacks A number of callbacks after which Libevent should * stop running callbacks and check for more events, or -1 if there * should be no such limit. * @param min_priority A priority below which max_interval and max_callbacks * should not be enforced. If this is set to 0, they are enforced * for events of every priority; if it's set to 1, they're enforced * for events of priority 1 and above, and so on. * @return 0 on success, -1 on failure. **/ EVENT2_EXPORT_SYMBOL int event_config_set_max_dispatch_interval(struct event_config *cfg, const struct timeval *max_interval, int max_callbacks, int min_priority); /** Initialize the event API. Use event_base_new_with_config() to initialize a new event base, taking the specified configuration under consideration. The configuration object can currently be used to avoid certain event notification mechanisms. @param cfg the event configuration object @return an initialized event_base that can be used to registering events, or NULL if no event base can be created with the requested event_config. @see event_base_new(), event_base_free(), event_init(), event_assign() */ EVENT2_EXPORT_SYMBOL struct event_base *event_base_new_with_config(const struct event_config *); /** Deallocate all memory associated with an event_base, and free the base. Note that this function will not close any fds or free any memory passed to event_new as the argument to callback. If there are any pending finalizer callbacks, this function will invoke them. @param eb an event_base to be freed */ EVENT2_EXPORT_SYMBOL void event_base_free(struct event_base *); /** As event_base_free, but do not run finalizers. */ EVENT2_EXPORT_SYMBOL void event_base_free_nofinalize(struct event_base *); /** @name Log severities */ /**@{*/ #define EVENT_LOG_DEBUG 0 #define EVENT_LOG_MSG 1 #define EVENT_LOG_WARN 2 #define EVENT_LOG_ERR 3 /**@}*/ /* Obsolete names: these are deprecated, but older programs might use them. * They violate the reserved-identifier namespace. */ #define _EVENT_LOG_DEBUG EVENT_LOG_DEBUG #define _EVENT_LOG_MSG EVENT_LOG_MSG #define _EVENT_LOG_WARN EVENT_LOG_WARN #define _EVENT_LOG_ERR EVENT_LOG_ERR /** A callback function used to intercept Libevent's log messages. @see event_set_log_callback */ typedef void (*event_log_cb)(int severity, const char *msg); /** Redirect Libevent's log messages. @param cb a function taking two arguments: an integer severity between EVENT_LOG_DEBUG and EVENT_LOG_ERR, and a string. If cb is NULL, then the default log is used. NOTE: The function you provide *must not* call any other libevent functionality. Doing so can produce undefined behavior. */ EVENT2_EXPORT_SYMBOL void event_set_log_callback(event_log_cb cb); /** A function to be called if Libevent encounters a fatal internal error. @see event_set_fatal_callback */ typedef void (*event_fatal_cb)(int err); /** Override Libevent's behavior in the event of a fatal internal error. By default, Libevent will call exit(1) if a programming error makes it impossible to continue correct operation. This function allows you to supply another callback instead. Note that if the function is ever invoked, something is wrong with your program, or with Libevent: any subsequent calls to Libevent may result in undefined behavior. Libevent will (almost) always log an EVENT_LOG_ERR message before calling this function; look at the last log message to see why Libevent has died. */ EVENT2_EXPORT_SYMBOL void event_set_fatal_callback(event_fatal_cb cb); #define EVENT_DBG_ALL 0xffffffffu #define EVENT_DBG_NONE 0 /** Turn on debugging logs and have them sent to the default log handler. This is a global setting; if you are going to call it, you must call this before any calls that create an event-base. You must call it before any multithreaded use of Libevent. Debug logs are verbose. @param which Controls which debug messages are turned on. This option is unused for now; for forward compatibility, you must pass in the constant "EVENT_DBG_ALL" to turn debugging logs on, or "EVENT_DBG_NONE" to turn debugging logs off. */ EVENT2_EXPORT_SYMBOL void event_enable_debug_logging(ev_uint32_t which); /** Associate a different event base with an event. The event to be associated must not be currently active or pending. @param eb the event base @param ev the event @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int event_base_set(struct event_base *, struct event *); /** @name Loop flags These flags control the behavior of event_base_loop(). */ /**@{*/ /** Block until we have an active event, then exit once all active events * have had their callbacks run. */ #define EVLOOP_ONCE 0x01 /** Do not block: see which events are ready now, run the callbacks * of the highest-priority ones, then exit. */ #define EVLOOP_NONBLOCK 0x02 /** Do not exit the loop because we have no pending events. Instead, keep * running until event_base_loopexit() or event_base_loopbreak() makes us * stop. */ #define EVLOOP_NO_EXIT_ON_EMPTY 0x04 /**@}*/ /** Wait for events to become active, and run their callbacks. This is a more flexible version of event_base_dispatch(). By default, this loop will run the event base until either there are no more pending or active events, or until something calls event_base_loopbreak() or event_base_loopexit(). You can override this behavior with the 'flags' argument. @param eb the event_base structure returned by event_base_new() or event_base_new_with_config() @param flags any combination of EVLOOP_ONCE | EVLOOP_NONBLOCK @return 0 if successful, -1 if an error occurred, or 1 if we exited because no events were pending or active. @see event_base_loopexit(), event_base_dispatch(), EVLOOP_ONCE, EVLOOP_NONBLOCK */ EVENT2_EXPORT_SYMBOL int event_base_loop(struct event_base *, int); /** Exit the event loop after the specified time The next event_base_loop() iteration after the given timer expires will complete normally (handling all queued events) then exit without blocking for events again. Subsequent invocations of event_base_loop() will proceed normally. @param eb the event_base structure returned by event_init() @param tv the amount of time after which the loop should terminate, or NULL to exit after running all currently active events. @return 0 if successful, or -1 if an error occurred @see event_base_loopbreak() */ EVENT2_EXPORT_SYMBOL int event_base_loopexit(struct event_base *, const struct timeval *); /** Abort the active event_base_loop() immediately. event_base_loop() will abort the loop after the next event is completed; event_base_loopbreak() is typically invoked from this event's callback. This behavior is analogous to the "break;" statement. Subsequent invocations of event_base_loop() will proceed normally. @param eb the event_base structure returned by event_init() @return 0 if successful, or -1 if an error occurred @see event_base_loopexit() */ EVENT2_EXPORT_SYMBOL int event_base_loopbreak(struct event_base *); /** Tell the active event_base_loop() to scan for new events immediately. Calling this function makes the currently active event_base_loop() start the loop over again (scanning for new events) after the current event callback finishes. If the event loop is not running, this function has no effect. event_base_loopbreak() is typically invoked from this event's callback. This behavior is analogous to the "continue;" statement. Subsequent invocations of event loop will proceed normally. @param eb the event_base structure returned by event_init() @return 0 if successful, or -1 if an error occurred @see event_base_loopbreak() */ EVENT2_EXPORT_SYMBOL int event_base_loopcontinue(struct event_base *); /** Checks if the event loop was told to exit by event_base_loopexit(). This function will return true for an event_base at every point after event_loopexit() is called, until the event loop is next entered. @param eb the event_base structure returned by event_init() @return true if event_base_loopexit() was called on this event base, or 0 otherwise @see event_base_loopexit() @see event_base_got_break() */ EVENT2_EXPORT_SYMBOL int event_base_got_exit(struct event_base *); /** Checks if the event loop was told to abort immediately by event_base_loopbreak(). This function will return true for an event_base at every point after event_base_loopbreak() is called, until the event loop is next entered. @param eb the event_base structure returned by event_init() @return true if event_base_loopbreak() was called on this event base, or 0 otherwise @see event_base_loopbreak() @see event_base_got_exit() */ EVENT2_EXPORT_SYMBOL int event_base_got_break(struct event_base *); /** * @name event flags * * Flags to pass to event_new(), event_assign(), event_pending(), and * anything else with an argument of the form "short events" */ /**@{*/ /** Indicates that a timeout has occurred. It's not necessary to pass * this flag to event_for new()/event_assign() to get a timeout. */ #define EV_TIMEOUT 0x01 /** Wait for a socket or FD to become readable */ #define EV_READ 0x02 /** Wait for a socket or FD to become writeable */ #define EV_WRITE 0x04 /** Wait for a POSIX signal to be raised*/ #define EV_SIGNAL 0x08 /** * Persistent event: won't get removed automatically when activated. * * When a persistent event with a timeout becomes activated, its timeout * is reset to 0. */ #define EV_PERSIST 0x10 /** Select edge-triggered behavior, if supported by the backend. */ #define EV_ET 0x20 /** * If this option is provided, then event_del() will not block in one thread * while waiting for the event callback to complete in another thread. * * To use this option safely, you may need to use event_finalize() or * event_free_finalize() in order to safely tear down an event in a * multithreaded application. See those functions for more information. **/ #define EV_FINALIZE 0x40 /** * Detects connection close events. You can use this to detect when a * connection has been closed, without having to read all the pending data * from a connection. * * Not all backends support EV_CLOSED. To detect or require it, use the * feature flag EV_FEATURE_EARLY_CLOSE. **/ #define EV_CLOSED 0x80 /**@}*/ /** @name evtimer_* macros Aliases for working with one-shot timer events If you need EV_PERSIST timer use event_*() functions. */ /**@{*/ #define evtimer_assign(ev, b, cb, arg) \ event_assign((ev), (b), -1, 0, (cb), (arg)) #define evtimer_new(b, cb, arg) event_new((b), -1, 0, (cb), (arg)) #define evtimer_add(ev, tv) event_add((ev), (tv)) #define evtimer_del(ev) event_del(ev) #define evtimer_pending(ev, tv) event_pending((ev), EV_TIMEOUT, (tv)) #define evtimer_initialized(ev) event_initialized(ev) /**@}*/ /** @name evsignal_* macros Aliases for working with signal events */ /**@{*/ #define evsignal_add(ev, tv) event_add((ev), (tv)) #define evsignal_assign(ev, b, x, cb, arg) \ event_assign((ev), (b), (x), EV_SIGNAL|EV_PERSIST, cb, (arg)) #define evsignal_new(b, x, cb, arg) \ event_new((b), (x), EV_SIGNAL|EV_PERSIST, (cb), (arg)) #define evsignal_del(ev) event_del(ev) #define evsignal_pending(ev, tv) event_pending((ev), EV_SIGNAL, (tv)) #define evsignal_initialized(ev) event_initialized(ev) /**@}*/ /** @name evuser_* macros Aliases for working with user-triggered events If you need EV_PERSIST event use event_*() functions. */ /**@{*/ #define evuser_new(b, cb, arg) event_new((b), -1, 0, (cb), (arg)) #define evuser_del(ev) event_del(ev) #define evuser_pending(ev, tv) event_pending((ev), 0, (tv)) #define evuser_initialized(ev) event_initialized(ev) #define evuser_trigger(ev) event_active((ev), 0, 0) /**@}*/ /** A callback function for an event. It receives three arguments: @param fd An fd or signal @param events One or more EV_* flags @param arg A user-supplied argument. @see event_new() */ typedef void (*event_callback_fn)(evutil_socket_t, short, void *); /** Return a value used to specify that the event itself must be used as the callback argument. The function event_new() takes a callback argument which is passed to the event's callback function. To specify that the argument to be passed to the callback function is the event that event_new() returns, pass in the return value of event_self_cbarg() as the callback argument for event_new(). For example: 
      struct event *ev = event_new(base, sock, events, callback, %event_self_cbarg());
For consistency with event_new(), it is possible to pass the return value of this function as the callback argument for event_assign() – this achieves the same result as passing the event in directly. @return a value to be passed as the callback argument to event_new() or event_assign(). @see event_new(), event_assign() */ EVENT2_EXPORT_SYMBOL void *event_self_cbarg(void); /** Allocate and assign a new event structure, ready to be added. The function event_new() returns a new event that can be used in future calls to event_add() and event_del(). The fd and events arguments determine which conditions will trigger the event; the callback and callback_arg arguments tell Libevent what to do when the event becomes active. If events contains one of EV_READ, EV_WRITE, or EV_READ|EV_WRITE, then fd is a file descriptor or socket that should get monitored for readiness to read, readiness to write, or readiness for either operation (respectively). If events contains EV_SIGNAL, then fd is a signal number to wait for. If events contains none of those flags, then the event can be triggered only by a timeout or by manual activation with event_active(): In this case, fd must be -1. The EV_PERSIST flag can also be passed in the events argument: it makes event_add() persistent until event_del() is called. The EV_ET flag is compatible with EV_READ and EV_WRITE, and supported only by certain backends. It tells Libevent to use edge-triggered events. The EV_TIMEOUT flag has no effect here. It is okay to have multiple events all listening on the same fds; but they must either all be edge-triggered, or all not be edge triggered. When the event becomes active, the event loop will run the provided callback function, with three arguments. The first will be the provided fd value. The second will be a bitfield of the events that triggered: EV_READ, EV_WRITE, or EV_SIGNAL. Here the EV_TIMEOUT flag indicates that a timeout occurred, and EV_ET indicates that an edge-triggered event occurred. The third event will be the callback_arg pointer that you provide. @param base the event base to which the event should be attached. @param fd the file descriptor or signal to be monitored, or -1. @param events desired events to monitor: bitfield of EV_READ, EV_WRITE, EV_SIGNAL, EV_PERSIST, EV_ET. @param callback callback function to be invoked when the event occurs @param callback_arg an argument to be passed to the callback function @return a newly allocated struct event that must later be freed with event_free() or NULL if an error occurred. @see event_free(), event_add(), event_del(), event_assign() */ EVENT2_EXPORT_SYMBOL struct event *event_new(struct event_base *, evutil_socket_t, short, event_callback_fn, void *); /** Prepare a new, already-allocated event structure to be added. The function event_assign() prepares the event structure ev to be used in future calls to event_add() and event_del(). Unlike event_new(), it doesn't allocate memory itself: it requires that you have already allocated a struct event, probably on the heap. Doing this will typically make your code depend on the size of the event structure, and thereby create incompatibility with future versions of Libevent. The easiest way to avoid this problem is just to use event_new() and event_free() instead. A slightly harder way to future-proof your code is to use event_get_struct_event_size() to determine the required size of an event at runtime. Note that it is NOT safe to call this function on an event that is active or pending. Doing so WILL corrupt internal data structures in Libevent, and lead to strange, hard-to-diagnose bugs. You _can_ use event_assign to change an existing event, but only if it is not active or pending! The arguments for this function, and the behavior of the events that it makes, are as for event_new(). @param ev an event struct to be modified @param base the event base to which ev should be attached. @param fd the file descriptor to be monitored @param events desired events to monitor; can be EV_READ and/or EV_WRITE @param callback callback function to be invoked when the event occurs @param callback_arg an argument to be passed to the callback function @return 0 if success, or -1 on invalid arguments. @see event_new(), event_add(), event_del(), event_base_once(), event_get_struct_event_size() */ EVENT2_EXPORT_SYMBOL int event_assign(struct event *, struct event_base *, evutil_socket_t, short, event_callback_fn, void *); /** Deallocate a struct event * returned by event_new(). If the event is pending or active, this function makes it non-pending and non-active first. */ EVENT2_EXPORT_SYMBOL void event_free(struct event *); /** * Callback type for event_finalize and event_free_finalize(). **/ typedef void (*event_finalize_callback_fn)(struct event *, void *); /** @name Finalization functions These functions are used to safely tear down an event in a multithreaded application. If you construct your events with EV_FINALIZE to avoid deadlocks, you will need a way to remove an event in the certainty that it will definitely not be running its callback when you deallocate it and its callback argument. To do this, call one of event_finalize() or event_free_finalize with 0 for its first argument, the event to tear down as its second argument, and a callback function as its third argument. The callback will be invoked as part of the event loop, with the event's priority. After you call a finalizer function, event_add() and event_active() will no longer work on the event, and event_del() will produce a no-op. You must not try to change the event's fields with event_assign() or event_set() while the finalize callback is in progress. Once the callback has been invoked, you should treat the event structure as containing uninitialized memory. The event_free_finalize() function frees the event after it's finalized; event_finalize() does not. A finalizer callback must not make events pending or active. It must not add events, activate events, or attempt to "resuscitate" the event being finalized in any way. @return 0 on success, -1 on failure. */ /**@{*/ EVENT2_EXPORT_SYMBOL int event_finalize(unsigned, struct event *, event_finalize_callback_fn); EVENT2_EXPORT_SYMBOL int event_free_finalize(unsigned, struct event *, event_finalize_callback_fn); /**@}*/ /** Schedule a one-time event The function event_base_once() is similar to event_new(). However, it schedules a callback to be called exactly once, and does not require the caller to prepare an event structure. Note that in Libevent 2.0 and earlier, if the event is never triggered, the internal memory used to hold it will never be freed. In Libevent 2.1, the internal memory will get freed by event_base_free() if the event is never triggered. The 'arg' value, however, will not get freed in either case--you'll need to free that on your own if you want it to go away. @param base an event_base @param fd a file descriptor to monitor, or -1 for no fd. @param events event(s) to monitor; can be any of EV_READ | EV_WRITE, or EV_TIMEOUT @param callback callback function to be invoked when the event occurs @param arg an argument to be passed to the callback function @param timeout the maximum amount of time to wait for the event. NULL makes an EV_READ/EV_WRITE event make forever; NULL makes an EV_TIMEOUT event success immediately. @return 0 if successful, or -1 if an error occurred */ EVENT2_EXPORT_SYMBOL int event_base_once(struct event_base *, evutil_socket_t, short, event_callback_fn, void *, const struct timeval *); /** Add an event to the set of pending events. The function event_add() schedules the execution of the event 'ev' when the condition specified by event_assign() or event_new() occurs, or when the time specified in timeout has elapsed. If a timeout is NULL, no timeout occurs and the function will only be called if a matching event occurs. The event in the ev argument must be already initialized by event_assign() or event_new() and may not be used in calls to event_assign() until it is no longer pending. If the event in the ev argument already has a scheduled timeout, calling event_add() replaces the old timeout with the new one if tv is non-NULL. @param ev an event struct initialized via event_assign() or event_new() @param timeout the maximum amount of time to wait for the event, or NULL to wait forever @return 0 if successful, or -1 if an error occurred @see event_del(), event_assign(), event_new() */ EVENT2_EXPORT_SYMBOL int event_add(struct event *ev, const struct timeval *timeout); /** Remove a timer from a pending event without removing the event itself. If the event has a scheduled timeout, this function unschedules it but leaves the event otherwise pending. @param ev an event struct initialized via event_assign() or event_new() @return 0 on success, or -1 if an error occurred. */ EVENT2_EXPORT_SYMBOL int event_remove_timer(struct event *ev); /** Remove an event from the set of monitored events. The function event_del() will cancel the event in the argument ev. If the event has already executed or has never been added the call will have no effect. @param ev an event struct to be removed from the working set @return 0 if successful, or -1 if an error occurred @see event_add() */ EVENT2_EXPORT_SYMBOL int event_del(struct event *); /** As event_del(), but never blocks while the event's callback is running in another thread, even if the event was constructed without the EV_FINALIZE flag. */ EVENT2_EXPORT_SYMBOL int event_del_noblock(struct event *ev); /** As event_del(), but always blocks while the event's callback is running in another thread, even if the event was constructed with the EV_FINALIZE flag. */ EVENT2_EXPORT_SYMBOL int event_del_block(struct event *ev); /** Make an event active. You can use this function on a pending or a non-pending event to make it active, so that its callback will be run by event_base_dispatch() or event_base_loop(). One common use in multithreaded programs is to wake the thread running event_base_loop() from another thread. @param ev an event to make active. @param res a set of flags to pass to the event's callback. @param ncalls an obsolete argument: this is ignored. **/ EVENT2_EXPORT_SYMBOL void event_active(struct event *ev, int res, short ncalls); /** Checks if a specific event is pending or scheduled. @param ev an event struct previously passed to event_add() @param events the requested event type; any of EV_TIMEOUT|EV_READ| EV_WRITE|EV_SIGNAL @param tv if this field is not NULL, and the event has a timeout, this field is set to hold the time at which the timeout will expire. @return true if the event is pending on any of the events in 'what', (that is to say, it has been added), or 0 if the event is not added. */ EVENT2_EXPORT_SYMBOL int event_pending(const struct event *ev, short events, struct timeval *tv); /** If called from within the callback for an event, returns that event. The behavior of this function is not defined when called from outside the callback function for an event. */ EVENT2_EXPORT_SYMBOL struct event *event_base_get_running_event(struct event_base *base); /** Test if an event structure might be initialized. The event_initialized() function can be used to check if an event has been initialized. Warning: This function is only useful for distinguishing a zeroed-out piece of memory from an initialized event, it can easily be confused by uninitialized memory. Thus, it should ONLY be used to distinguish an initialized event from zero. @param ev an event structure to be tested @return 1 if the structure might be initialized, or 0 if it has not been initialized */ EVENT2_EXPORT_SYMBOL int event_initialized(const struct event *ev); /** Get the signal number assigned to a signal event */ #define event_get_signal(ev) ((int)event_get_fd(ev)) /** Get the socket or signal assigned to an event, or -1 if the event has no socket. */ EVENT2_EXPORT_SYMBOL evutil_socket_t event_get_fd(const struct event *ev); /** Get the event_base associated with an event. */ EVENT2_EXPORT_SYMBOL struct event_base *event_get_base(const struct event *ev); /** Return the events (EV_READ, EV_WRITE, etc) assigned to an event. */ EVENT2_EXPORT_SYMBOL short event_get_events(const struct event *ev); /** Return the callback assigned to an event. */ EVENT2_EXPORT_SYMBOL event_callback_fn event_get_callback(const struct event *ev); /** Return the callback argument assigned to an event. */ EVENT2_EXPORT_SYMBOL void *event_get_callback_arg(const struct event *ev); /** Return the priority of an event. @see event_priority_init(), event_get_priority() */ EVENT2_EXPORT_SYMBOL int event_get_priority(const struct event *ev); /** Extract _all_ of arguments given to construct a given event. The event_base is copied into *base_out, the fd is copied into *fd_out, and so on. If any of the "_out" arguments is NULL, it will be ignored. */ EVENT2_EXPORT_SYMBOL void event_get_assignment(const struct event *event, struct event_base **base_out, evutil_socket_t *fd_out, short *events_out, event_callback_fn *callback_out, void **arg_out); /** Return the size of struct event that the Libevent library was compiled with. This will be NO GREATER than sizeof(struct event) if you're running with the same version of Libevent that your application was built with, but otherwise might not. Note that it might be SMALLER than sizeof(struct event) if some future version of Libevent adds extra padding to the end of struct event. We might do this to help ensure ABI-compatibility between different versions of Libevent. */ EVENT2_EXPORT_SYMBOL size_t event_get_struct_event_size(void); /** Get the Libevent version. Note that this will give you the version of the library that you're currently linked against, not the version of the headers that you've compiled against. @return a string containing the version number of Libevent */ EVENT2_EXPORT_SYMBOL const char *event_get_version(void); /** Return a numeric representation of Libevent's version. Note that this will give you the version of the library that you're currently linked against, not the version of the headers you've used to compile. The format uses one byte each for the major, minor, and patchlevel parts of the version number. The low-order byte is unused. For example, version 2.0.1-alpha has a numeric representation of 0x02000100 */ EVENT2_EXPORT_SYMBOL ev_uint32_t event_get_version_number(void); /** As event_get_version, but gives the version of Libevent's headers. */ #define LIBEVENT_VERSION EVENT__VERSION /** As event_get_version_number, but gives the version number of Libevent's * headers. */ #define LIBEVENT_VERSION_NUMBER EVENT__NUMERIC_VERSION /** Largest number of priorities that Libevent can support. */ #define EVENT_MAX_PRIORITIES 256 /** Set the number of different event priorities By default Libevent schedules all active events with the same priority. However, some time it is desirable to process some events with a higher priority than others. For that reason, Libevent supports strict priority queues. Active events with a lower priority are always processed before events with a higher priority. The number of different priorities can be set initially with the event_base_priority_init() function. This function should be called before the first call to event_base_dispatch(). The event_priority_set() function can be used to assign a priority to an event. By default, Libevent assigns the middle priority to all events unless their priority is explicitly set. Note that urgent-priority events can starve less-urgent events: after running all urgent-priority callbacks, Libevent checks for more urgent events again, before running less-urgent events. Less-urgent events will not have their callbacks run until there are no events more urgent than them that want to be active. @param eb the event_base structure returned by event_base_new() @param npriorities the maximum number of priorities @return 0 if successful, or -1 if an error occurred @see event_priority_set() */ EVENT2_EXPORT_SYMBOL int event_base_priority_init(struct event_base *, int); /** Get the number of different event priorities. @param eb the event_base structure returned by event_base_new() @return Number of different event priorities @see event_base_priority_init() */ EVENT2_EXPORT_SYMBOL int event_base_get_npriorities(struct event_base *eb); /** Assign a priority to an event. @param ev an event struct @param priority the new priority to be assigned @return 0 if successful, or -1 if an error occurred @see event_priority_init(), event_get_priority() */ EVENT2_EXPORT_SYMBOL int event_priority_set(struct event *, int); /** Prepare an event_base to use a large number of timeouts with the same duration. Libevent's default scheduling algorithm is optimized for having a large number of timeouts with their durations more or less randomly distributed. But if you have a large number of timeouts that all have the same duration (for example, if you have a large number of connections that all have a 10-second timeout), then you can improve Libevent's performance by telling Libevent about it. To do this, call this function with the common duration. It will return a pointer to a different, opaque timeout value. (Don't depend on its actual contents!) When you use this timeout value in event_add(), Libevent will schedule the event more efficiently. (This optimization probably will not be worthwhile until you have thousands or tens of thousands of events with the same timeout.) */ EVENT2_EXPORT_SYMBOL const struct timeval *event_base_init_common_timeout(struct event_base *base, const struct timeval *duration); #if !defined(EVENT__DISABLE_MM_REPLACEMENT) || defined(EVENT_IN_DOXYGEN_) /** Override the functions that Libevent uses for memory management. Usually, Libevent uses the standard libc functions malloc, realloc, and free to allocate memory. Passing replacements for those functions to event_set_mem_functions() overrides this behavior. Note that all memory returned from Libevent will be allocated by the replacement functions rather than by malloc() and realloc(). Thus, if you have replaced those functions, it will not be appropriate to free() memory that you get from Libevent. Instead, you must use the free_fn replacement that you provided. Note also that if you are going to call this function, you should do so before any call to any Libevent function that does allocation. Otherwise, those functions will allocate their memory using malloc(), but then later free it using your provided free_fn. @param malloc_fn A replacement for malloc. @param realloc_fn A replacement for realloc @param free_fn A replacement for free. **/ EVENT2_EXPORT_SYMBOL void event_set_mem_functions( void *(*malloc_fn)(size_t sz), void *(*realloc_fn)(void *ptr, size_t sz), void (*free_fn)(void *ptr)); /** This definition is present if Libevent was built with support for event_set_mem_functions() */ #define EVENT_SET_MEM_FUNCTIONS_IMPLEMENTED #endif /** Writes a human-readable description of all inserted and/or active events to a provided stdio stream. This is intended for debugging; its format is not guaranteed to be the same between libevent versions. @param base An event_base on which to scan the events. @param output A stdio file to write on. */ EVENT2_EXPORT_SYMBOL void event_base_dump_events(struct event_base *, FILE *); /** Activates all pending events for the given fd and event mask. This function activates pending events only. Events which have not been added will not become active. @param base the event_base on which to activate the events. @param fd An fd to active events on. @param events One or more of EV_{READ,WRITE,TIMEOUT}. */ EVENT2_EXPORT_SYMBOL void event_base_active_by_fd(struct event_base *base, evutil_socket_t fd, short events); /** Activates all pending signals with a given signal number This function activates pending events only. Events which have not been added will not become active. @param base the event_base on which to activate the events. @param fd The signal to active events on. */ EVENT2_EXPORT_SYMBOL void event_base_active_by_signal(struct event_base *base, int sig); /** * Callback for iterating events in an event base via event_base_foreach_event */ typedef int (*event_base_foreach_event_cb)(const struct event_base *, const struct event *, void *); /** Iterate over all added or active events events in an event loop, and invoke a given callback on each one. The callback must not call any function that modifies the event base, that modifies any event in the event base, or that adds or removes any event to the event base. Doing so is unsupported and will lead to undefined behavior -- likely, to crashes. event_base_foreach_event() holds a lock on the event_base() for the whole time it's running: slow callbacks are not advisable. Note that Libevent adds some events of its own to make pieces of its functionality work. You must not assume that the only events you'll encounter will be the ones you added yourself. The callback function must return 0 to continue iteration, or some other integer to stop iterating. @param base An event_base on which to scan the events. @param fn A callback function to receive the events. @param arg An argument passed to the callback function. @return 0 if we iterated over every event, or the value returned by the callback function if the loop exited early. */ EVENT2_EXPORT_SYMBOL int event_base_foreach_event(struct event_base *base, event_base_foreach_event_cb fn, void *arg); /** Sets 'tv' to the current time (as returned by gettimeofday()), looking at the cached value in 'base' if possible, and calling gettimeofday() or clock_gettime() as appropriate if there is no cached time. Generally, this value will only be cached while actually processing event callbacks, and may be very inaccurate if your callbacks take a long time to execute. Returns 0 on success, negative on failure. */ EVENT2_EXPORT_SYMBOL int event_base_gettimeofday_cached(struct event_base *base, struct timeval *tv); /** Update cached_tv in the 'base' to the current time * * You can use this function is useful for selectively increasing * the accuracy of the cached time value in 'base' during callbacks * that take a long time to execute. * * This function has no effect if the base is currently not in its * event loop, or if timeval caching is disabled via * EVENT_BASE_FLAG_NO_CACHE_TIME. * * @return 0 on success, -1 on failure */ EVENT2_EXPORT_SYMBOL int event_base_update_cache_time(struct event_base *base); /** Release up all globally-allocated resources allocated by Libevent. This function does not free developer-controlled resources like event_bases, events, bufferevents, listeners, and so on. It only releases resources like global locks that there is no other way to free. It is not actually necessary to call this function before exit: every resource that it frees would be released anyway on exit. It mainly exists so that resource-leak debugging tools don't see Libevent as holding resources at exit. You should only call this function when no other Libevent functions will be invoked -- e.g., when cleanly exiting a program. */ EVENT2_EXPORT_SYMBOL void libevent_global_shutdown(void); #ifdef __cplusplus } #endif #endif /* EVENT2_EVENT_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/event_compat.h0000644000076400001440000001672714111362573021451 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_EVENT_COMPAT_H_INCLUDED_ #define EVENT2_EVENT_COMPAT_H_INCLUDED_ /** @file event2/event_compat.h Potentially non-threadsafe versions of the functions in event.h: provided only for backwards compatibility. In the oldest versions of Libevent, event_base was not a first-class structure. Instead, there was a single event base that every function manipulated. Later, when separate event bases were added, the old functions that didn't take an event_base argument needed to work by manipulating the "current" event base. This could lead to thread-safety issues, and obscure, hard-to-diagnose bugs. @deprecated All functions in this file are by definition deprecated. */ #include #ifdef __cplusplus extern "C" { #endif #include #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_TIME_H #include #endif /* For int types. */ #include /** Initialize the event API. The event API needs to be initialized with event_init() before it can be used. Sets the global current base that gets used for events that have no base associated with them. @deprecated This function is deprecated because it replaces the "current" event_base, and is totally unsafe for multithreaded use. The replacement is event_base_new(). @see event_base_set(), event_base_new() */ EVENT2_EXPORT_SYMBOL struct event_base *event_init(void); /** Loop to process events. Like event_base_dispatch(), but uses the "current" base. @deprecated This function is deprecated because it is easily confused by multiple calls to event_init(), and because it is not safe for multithreaded use. The replacement is event_base_dispatch(). @see event_base_dispatch(), event_init() */ EVENT2_EXPORT_SYMBOL int event_dispatch(void); /** Handle events. This function behaves like event_base_loop(), but uses the "current" base @deprecated This function is deprecated because it uses the event base from the last call to event_init, and is therefore not safe for multithreaded use. The replacement is event_base_loop(). @see event_base_loop(), event_init() */ EVENT2_EXPORT_SYMBOL int event_loop(int); /** Exit the event loop after the specified time. This function behaves like event_base_loopexit(), except that it uses the "current" base. @deprecated This function is deprecated because it uses the event base from the last call to event_init, and is therefore not safe for multithreaded use. The replacement is event_base_loopexit(). @see event_init, event_base_loopexit() */ EVENT2_EXPORT_SYMBOL int event_loopexit(const struct timeval *); /** Abort the active event_loop() immediately. This function behaves like event_base_loopbreakt(), except that it uses the "current" base. @deprecated This function is deprecated because it uses the event base from the last call to event_init, and is therefore not safe for multithreaded use. The replacement is event_base_loopbreak(). @see event_base_loopbreak(), event_init() */ EVENT2_EXPORT_SYMBOL int event_loopbreak(void); /** Schedule a one-time event to occur. @deprecated This function is obsolete, and has been replaced by event_base_once(). Its use is deprecated because it relies on the "current" base configured by event_init(). @see event_base_once() */ EVENT2_EXPORT_SYMBOL int event_once(evutil_socket_t , short, void (*)(evutil_socket_t, short, void *), void *, const struct timeval *); /** Get the kernel event notification mechanism used by Libevent. @deprecated This function is obsolete, and has been replaced by event_base_get_method(). Its use is deprecated because it relies on the "current" base configured by event_init(). @see event_base_get_method() */ EVENT2_EXPORT_SYMBOL const char *event_get_method(void); /** Set the number of different event priorities. @deprecated This function is deprecated because it is easily confused by multiple calls to event_init(), and because it is not safe for multithreaded use. The replacement is event_base_priority_init(). @see event_base_priority_init() */ EVENT2_EXPORT_SYMBOL int event_priority_init(int); /** Prepare an event structure to be added. @deprecated event_set() is not recommended for new code, because it requires a subsequent call to event_base_set() to be safe under most circumstances. Use event_assign() or event_new() instead. */ EVENT2_EXPORT_SYMBOL void event_set(struct event *, evutil_socket_t, short, void (*)(evutil_socket_t, short, void *), void *); #define evtimer_set(ev, cb, arg) event_set((ev), -1, 0, (cb), (arg)) #define evsignal_set(ev, x, cb, arg) \ event_set((ev), (x), EV_SIGNAL|EV_PERSIST, (cb), (arg)) /** @name timeout_* macros @deprecated These macros are deprecated because their naming is inconsistent with the rest of Libevent. Use the evtimer_* macros instead. @{ */ #define timeout_add(ev, tv) event_add((ev), (tv)) #define timeout_set(ev, cb, arg) event_set((ev), -1, 0, (cb), (arg)) #define timeout_del(ev) event_del(ev) #define timeout_pending(ev, tv) event_pending((ev), EV_TIMEOUT, (tv)) #define timeout_initialized(ev) event_initialized(ev) /**@}*/ /** @name signal_* macros @deprecated These macros are deprecated because their naming is inconsistent with the rest of Libevent. Use the evsignal_* macros instead. @{ */ #define signal_add(ev, tv) event_add((ev), (tv)) #define signal_set(ev, x, cb, arg) \ event_set((ev), (x), EV_SIGNAL|EV_PERSIST, (cb), (arg)) #define signal_del(ev) event_del(ev) #define signal_pending(ev, tv) event_pending((ev), EV_SIGNAL, (tv)) #define signal_initialized(ev) event_initialized(ev) /**@}*/ #ifndef EVENT_FD /* These macros are obsolete; use event_get_fd and event_get_signal instead. */ #define EVENT_FD(ev) ((int)event_get_fd(ev)) #define EVENT_SIGNAL(ev) event_get_signal(ev) #endif #ifdef __cplusplus } #endif #endif /* EVENT2_EVENT_COMPAT_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event2/keyvalq_struct.h0000644000076400001440000000505314111362573022033 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_KEYVALQ_STRUCT_H_INCLUDED_ #define EVENT2_KEYVALQ_STRUCT_H_INCLUDED_ #ifdef __cplusplus extern "C" { #endif /* Fix so that people don't have to run with */ /* XXXX This code is duplicated with event_struct.h */ #ifndef TAILQ_ENTRY #define EVENT_DEFINED_TQENTRY_ #define TAILQ_ENTRY(type) \ struct { \ struct type *tqe_next; /* next element */ \ struct type **tqe_prev; /* address of previous next element */ \ } #endif /* !TAILQ_ENTRY */ #ifndef TAILQ_HEAD #define EVENT_DEFINED_TQHEAD_ #define TAILQ_HEAD(name, type) \ struct name { \ struct type *tqh_first; \ struct type **tqh_last; \ } #endif /* * Key-Value pairs. Can be used for HTTP headers but also for * query argument parsing. */ struct evkeyval { TAILQ_ENTRY(evkeyval) next; char *key; char *value; }; TAILQ_HEAD (evkeyvalq, evkeyval); /* XXXX This code is duplicated with event_struct.h */ #ifdef EVENT_DEFINED_TQENTRY_ #undef TAILQ_ENTRY #endif #ifdef EVENT_DEFINED_TQHEAD_ #undef TAILQ_HEAD #endif #ifdef __cplusplus } #endif #endif lldpd-1.0.18/libevent/include/event2/buffer.h0000644000076400001440000011442514111362573020230 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_BUFFER_H_INCLUDED_ #define EVENT2_BUFFER_H_INCLUDED_ /** @file event2/buffer.h Functions for buffering data for network sending or receiving. An evbuffer can be used for preparing data before sending it to the network or conversely for reading data from the network. Evbuffers try to avoid memory copies as much as possible. As a result, evbuffers can be used to pass data around without actually incurring the overhead of copying the data. A new evbuffer can be allocated with evbuffer_new(), and can be freed with evbuffer_free(). Most users will be using evbuffers via the bufferevent interface. To access a bufferevent's evbuffers, use bufferevent_get_input() and bufferevent_get_output(). There are several guidelines for using evbuffers. - if you already know how much data you are going to add as a result of calling evbuffer_add() multiple times, it makes sense to use evbuffer_expand() first to make sure that enough memory is allocated before hand. - evbuffer_add_buffer() adds the contents of one buffer to the other without incurring any unnecessary memory copies. - evbuffer_add() and evbuffer_add_buffer() do not mix very well: if you use them, you will wind up with fragmented memory in your buffer. - For high-performance code, you may want to avoid copying data into and out of buffers. You can skip the copy step by using evbuffer_reserve_space()/evbuffer_commit_space() when writing into a buffer, and evbuffer_peek() when reading. In Libevent 2.0 and later, evbuffers are represented using a linked list of memory chunks, with pointers to the first and last chunk in the chain. As the contents of an evbuffer can be stored in multiple different memory blocks, it cannot be accessed directly. Instead, evbuffer_pullup() can be used to force a specified number of bytes to be contiguous. This will cause memory reallocation and memory copies if the data is split across multiple blocks. It is more efficient, however, to use evbuffer_peek() if you don't require that the memory to be contiguous. */ #include #ifdef __cplusplus extern "C" { #endif #include #include #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_UIO_H #include #endif #include /** An evbuffer is an opaque data type for efficiently buffering data to be sent or received on the network. @see event2/event.h for more information */ struct evbuffer #ifdef EVENT_IN_DOXYGEN_ {} #endif ; /** Pointer to a position within an evbuffer. Used when repeatedly searching through a buffer. Calling any function that modifies or re-packs the buffer contents may invalidate all evbuffer_ptrs for that buffer. Do not modify or contruct these values except with evbuffer_ptr_set. An evbuffer_ptr can represent any position from the start of a buffer up to a position immediately after the end of a buffer. @see evbuffer_ptr_set() */ struct evbuffer_ptr { ev_ssize_t pos; /* Do not alter or rely on the values of fields: they are for internal * use */ struct { void *chain; size_t pos_in_chain; } internal_; }; /** Describes a single extent of memory inside an evbuffer. Used for direct-access functions. @see evbuffer_reserve_space, evbuffer_commit_space, evbuffer_peek */ #ifdef EVENT__HAVE_SYS_UIO_H #define evbuffer_iovec iovec /* Internal use -- defined only if we are using the native struct iovec */ #define EVBUFFER_IOVEC_IS_NATIVE_ #else struct evbuffer_iovec { /** The start of the extent of memory. */ void *iov_base; /** The length of the extent of memory. */ size_t iov_len; }; #endif /** Allocate storage for a new evbuffer. @return a pointer to a newly allocated evbuffer struct, or NULL if an error occurred */ EVENT2_EXPORT_SYMBOL struct evbuffer *evbuffer_new(void); /** Deallocate storage for an evbuffer. @param buf pointer to the evbuffer to be freed */ EVENT2_EXPORT_SYMBOL void evbuffer_free(struct evbuffer *buf); /** Enable locking on an evbuffer so that it can safely be used by multiple threads at the same time. NOTE: when locking is enabled, the lock will be held when callbacks are invoked. This could result in deadlock if you aren't careful. Plan accordingly! @param buf An evbuffer to make lockable. @param lock A lock object, or NULL if we should allocate our own. @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int evbuffer_enable_locking(struct evbuffer *buf, void *lock); /** Acquire the lock on an evbuffer. Has no effect if locking was not enabled with evbuffer_enable_locking. */ EVENT2_EXPORT_SYMBOL void evbuffer_lock(struct evbuffer *buf); /** Release the lock on an evbuffer. Has no effect if locking was not enabled with evbuffer_enable_locking. */ EVENT2_EXPORT_SYMBOL void evbuffer_unlock(struct evbuffer *buf); /** If this flag is set, then we will not use evbuffer_peek(), * evbuffer_remove(), evbuffer_remove_buffer(), and so on to read bytes * from this buffer: we'll only take bytes out of this buffer by * writing them to the network (as with evbuffer_write_atmost), by * removing them without observing them (as with evbuffer_drain), * or by copying them all out at once (as with evbuffer_add_buffer). * * Using this option allows the implementation to use sendfile-based * operations for evbuffer_add_file(); see that function for more * information. * * This flag is on by default for bufferevents that can take advantage * of it; you should never actually need to set it on a bufferevent's * output buffer. */ #define EVBUFFER_FLAG_DRAINS_TO_FD 1 /** Change the flags that are set for an evbuffer by adding more. * * @param buffer the evbuffer that the callback is watching. * @param cb the callback whose status we want to change. * @param flags One or more EVBUFFER_FLAG_* options * @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int evbuffer_set_flags(struct evbuffer *buf, ev_uint64_t flags); /** Change the flags that are set for an evbuffer by removing some. * * @param buffer the evbuffer that the callback is watching. * @param cb the callback whose status we want to change. * @param flags One or more EVBUFFER_FLAG_* options * @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int evbuffer_clear_flags(struct evbuffer *buf, ev_uint64_t flags); /** Returns the total number of bytes stored in the evbuffer @param buf pointer to the evbuffer @return the number of bytes stored in the evbuffer */ EVENT2_EXPORT_SYMBOL size_t evbuffer_get_length(const struct evbuffer *buf); /** Returns the number of contiguous available bytes in the first buffer chain. This is useful when processing data that might be split into multiple chains, or that might all be in the first chain. Calls to evbuffer_pullup() that cause reallocation and copying of data can thus be avoided. @param buf pointer to the evbuffer @return 0 if no data is available, otherwise the number of available bytes in the first buffer chain. */ EVENT2_EXPORT_SYMBOL size_t evbuffer_get_contiguous_space(const struct evbuffer *buf); /** Expands the available space in an evbuffer. Expands the available space in the evbuffer to at least datlen, so that appending datlen additional bytes will not require any new allocations. @param buf the evbuffer to be expanded @param datlen the new minimum length requirement @return 0 if successful, or -1 if an error occurred */ EVENT2_EXPORT_SYMBOL int evbuffer_expand(struct evbuffer *buf, size_t datlen); /** Reserves space in the last chain or chains of an evbuffer. Makes space available in the last chain or chains of an evbuffer that can be arbitrarily written to by a user. The space does not become available for reading until it has been committed with evbuffer_commit_space(). The space is made available as one or more extents, represented by an initial pointer and a length. You can force the memory to be available as only one extent. Allowing more extents, however, makes the function more efficient. Multiple subsequent calls to this function will make the same space available until evbuffer_commit_space() has been called. It is an error to do anything that moves around the buffer's internal memory structures before committing the space. NOTE: The code currently does not ever use more than two extents. This may change in future versions. @param buf the evbuffer in which to reserve space. @param size how much space to make available, at minimum. The total length of the extents may be greater than the requested length. @param vec an array of one or more evbuffer_iovec structures to hold pointers to the reserved extents of memory. @param n_vec The length of the vec array. Must be at least 1; 2 is more efficient. @return the number of provided extents, or -1 on error. @see evbuffer_commit_space() */ EVENT2_EXPORT_SYMBOL int evbuffer_reserve_space(struct evbuffer *buf, ev_ssize_t size, struct evbuffer_iovec *vec, int n_vec); /** Commits previously reserved space. Commits some of the space previously reserved with evbuffer_reserve_space(). It then becomes available for reading. This function may return an error if the pointer in the extents do not match those returned from evbuffer_reserve_space, or if data has been added to the buffer since the space was reserved. If you want to commit less data than you got reserved space for, modify the iov_len pointer of the appropriate extent to a smaller value. Note that you may have received more space than you requested if it was available! @param buf the evbuffer in which to reserve space. @param vec one or two extents returned by evbuffer_reserve_space. @param n_vecs the number of extents. @return 0 on success, -1 on error @see evbuffer_reserve_space() */ EVENT2_EXPORT_SYMBOL int evbuffer_commit_space(struct evbuffer *buf, struct evbuffer_iovec *vec, int n_vecs); /** Append data to the end of an evbuffer. @param buf the evbuffer to be appended to @param data pointer to the beginning of the data buffer @param datlen the number of bytes to be copied from the data buffer @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int evbuffer_add(struct evbuffer *buf, const void *data, size_t datlen); /** Read data from an evbuffer and drain the bytes read. If more bytes are requested than are available in the evbuffer, we only extract as many bytes as were available. @param buf the evbuffer to be read from @param data the destination buffer to store the result @param datlen the maximum size of the destination buffer @return the number of bytes read, or -1 if we can't drain the buffer. */ EVENT2_EXPORT_SYMBOL int evbuffer_remove(struct evbuffer *buf, void *data, size_t datlen); /** Read data from an evbuffer, and leave the buffer unchanged. If more bytes are requested than are available in the evbuffer, we only extract as many bytes as were available. @param buf the evbuffer to be read from @param data_out the destination buffer to store the result @param datlen the maximum size of the destination buffer @return the number of bytes read, or -1 if we can't drain the buffer. */ EVENT2_EXPORT_SYMBOL ev_ssize_t evbuffer_copyout(struct evbuffer *buf, void *data_out, size_t datlen); /** Read data from the middle of an evbuffer, and leave the buffer unchanged. If more bytes are requested than are available in the evbuffer, we only extract as many bytes as were available. @param buf the evbuffer to be read from @param pos the position to start reading from @param data_out the destination buffer to store the result @param datlen the maximum size of the destination buffer @return the number of bytes read, or -1 if we can't drain the buffer. */ EVENT2_EXPORT_SYMBOL ev_ssize_t evbuffer_copyout_from(struct evbuffer *buf, const struct evbuffer_ptr *pos, void *data_out, size_t datlen); /** Read data from an evbuffer into another evbuffer, draining the bytes from the source buffer. This function avoids copy operations to the extent possible. If more bytes are requested than are available in src, the src buffer is drained completely. @param src the evbuffer to be read from @param dst the destination evbuffer to store the result into @param datlen the maximum numbers of bytes to transfer @return the number of bytes read */ EVENT2_EXPORT_SYMBOL int evbuffer_remove_buffer(struct evbuffer *src, struct evbuffer *dst, size_t datlen); /** Used to tell evbuffer_readln what kind of line-ending to look for. */ enum evbuffer_eol_style { /** Any sequence of CR and LF characters is acceptable as an * EOL. * * Note that this style can produce ambiguous results: the * sequence "CRLF" will be treated as a single EOL if it is * all in the buffer at once, but if you first read a CR from * the network and later read an LF from the network, it will * be treated as two EOLs. */ EVBUFFER_EOL_ANY, /** An EOL is an LF, optionally preceded by a CR. This style is * most useful for implementing text-based internet protocols. */ EVBUFFER_EOL_CRLF, /** An EOL is a CR followed by an LF. */ EVBUFFER_EOL_CRLF_STRICT, /** An EOL is a LF. */ EVBUFFER_EOL_LF, /** An EOL is a NUL character (that is, a single byte with value 0) */ EVBUFFER_EOL_NUL }; /** * Read a single line from an evbuffer. * * Reads a line terminated by an EOL as determined by the evbuffer_eol_style * argument. Returns a newly allocated nul-terminated string; the caller must * free the returned value. The EOL is not included in the returned string. * * @param buffer the evbuffer to read from * @param n_read_out if non-NULL, points to a size_t that is set to the * number of characters in the returned string. This is useful for * strings that can contain NUL characters. * @param eol_style the style of line-ending to use. * @return pointer to a single line, or NULL if an error occurred */ EVENT2_EXPORT_SYMBOL char *evbuffer_readln(struct evbuffer *buffer, size_t *n_read_out, enum evbuffer_eol_style eol_style); /** Move all data from one evbuffer into another evbuffer. This is a destructive add. The data from one buffer moves into the other buffer. However, no unnecessary memory copies occur. @param outbuf the output buffer @param inbuf the input buffer @return 0 if successful, or -1 if an error occurred @see evbuffer_remove_buffer() */ EVENT2_EXPORT_SYMBOL int evbuffer_add_buffer(struct evbuffer *outbuf, struct evbuffer *inbuf); /** Copy data from one evbuffer into another evbuffer. This is a non-destructive add. The data from one buffer is copied into the other buffer. However, no unnecessary memory copies occur. Note that buffers already containing buffer references can't be added to other buffers. @param outbuf the output buffer @param inbuf the input buffer @return 0 if successful, or -1 if an error occurred */ EVENT2_EXPORT_SYMBOL int evbuffer_add_buffer_reference(struct evbuffer *outbuf, struct evbuffer *inbuf); /** A cleanup function for a piece of memory added to an evbuffer by reference. @see evbuffer_add_reference() */ typedef void (*evbuffer_ref_cleanup_cb)(const void *data, size_t datalen, void *extra); /** Reference memory into an evbuffer without copying. The memory needs to remain valid until all the added data has been read. This function keeps just a reference to the memory without actually incurring the overhead of a copy. @param outbuf the output buffer @param data the memory to reference @param datlen how memory to reference @param cleanupfn callback to be invoked when the memory is no longer referenced by this evbuffer. @param cleanupfn_arg optional argument to the cleanup callback @return 0 if successful, or -1 if an error occurred */ EVENT2_EXPORT_SYMBOL int evbuffer_add_reference(struct evbuffer *outbuf, const void *data, size_t datlen, evbuffer_ref_cleanup_cb cleanupfn, void *cleanupfn_arg); /** Copy data from a file into the evbuffer for writing to a socket. This function avoids unnecessary data copies between userland and kernel. If sendfile is available and the EVBUFFER_FLAG_DRAINS_TO_FD flag is set, it uses those functions. Otherwise, it tries to use mmap (or CreateFileMapping on Windows). The function owns the resulting file descriptor and will close it when finished transferring data. The results of using evbuffer_remove() or evbuffer_pullup() on evbuffers whose data was added using this function are undefined. For more fine-grained control, use evbuffer_add_file_segment. @param outbuf the output buffer @param fd the file descriptor @param offset the offset from which to read data @param length how much data to read, or -1 to read as much as possible. (-1 requires that 'fd' support fstat.) @return 0 if successful, or -1 if an error occurred */ EVENT2_EXPORT_SYMBOL int evbuffer_add_file(struct evbuffer *outbuf, int fd, ev_off_t offset, ev_off_t length); /** An evbuffer_file_segment holds a reference to a range of a file -- possibly the whole file! -- for use in writing from an evbuffer to a socket. It could be implemented with mmap, sendfile, splice, or (if all else fails) by just pulling all the data into RAM. A single evbuffer_file_segment can be added more than once, and to more than one evbuffer. */ struct evbuffer_file_segment; /** Flag for creating evbuffer_file_segment: If this flag is set, then when the evbuffer_file_segment is freed and no longer in use by any evbuffer, the underlying fd is closed. */ #define EVBUF_FS_CLOSE_ON_FREE 0x01 /** Flag for creating evbuffer_file_segment: Disable memory-map based implementations. */ #define EVBUF_FS_DISABLE_MMAP 0x02 /** Flag for creating evbuffer_file_segment: Disable direct fd-to-fd implementations (including sendfile and splice). You might want to use this option if data needs to be taken from the evbuffer by any means other than writing it to the network: the sendfile backend is fast, but it only works for sending files directly to the network. */ #define EVBUF_FS_DISABLE_SENDFILE 0x04 /** Flag for creating evbuffer_file_segment: Do not allocate a lock for this segment. If this option is set, then neither the segment nor any evbuffer it is added to may ever be accessed from more than one thread at a time. */ #define EVBUF_FS_DISABLE_LOCKING 0x08 /** A cleanup function for a evbuffer_file_segment added to an evbuffer for reference. */ typedef void (*evbuffer_file_segment_cleanup_cb)( struct evbuffer_file_segment const* seg, int flags, void* arg); /** Create and return a new evbuffer_file_segment for reading data from a file and sending it out via an evbuffer. This function avoids unnecessary data copies between userland and kernel. Where available, it uses sendfile or splice. The file descriptor must not be closed so long as any evbuffer is using this segment. The results of using evbuffer_remove() or evbuffer_pullup() or any other function that reads bytes from an evbuffer on any evbuffer containing the newly returned segment are undefined, unless you pass the EVBUF_FS_DISABLE_SENDFILE flag to this function. @param fd an open file to read from. @param offset an index within the file at which to start reading @param length how much data to read, or -1 to read as much as possible. (-1 requires that 'fd' support fstat.) @param flags any number of the EVBUF_FS_* flags @return a new evbuffer_file_segment, or NULL on failure. **/ EVENT2_EXPORT_SYMBOL struct evbuffer_file_segment *evbuffer_file_segment_new( int fd, ev_off_t offset, ev_off_t length, unsigned flags); /** Free an evbuffer_file_segment It is safe to call this function even if the segment has been added to one or more evbuffers. The evbuffer_file_segment will not be freed until no more references to it exist. */ EVENT2_EXPORT_SYMBOL void evbuffer_file_segment_free(struct evbuffer_file_segment *seg); /** Add cleanup callback and argument for the callback to an evbuffer_file_segment. The cleanup callback will be invoked when no more references to the evbuffer_file_segment exist. **/ EVENT2_EXPORT_SYMBOL void evbuffer_file_segment_add_cleanup_cb(struct evbuffer_file_segment *seg, evbuffer_file_segment_cleanup_cb cb, void* arg); /** Insert some or all of an evbuffer_file_segment at the end of an evbuffer Note that the offset and length parameters of this function have a different meaning from those provided to evbuffer_file_segment_new: When you create the segment, the offset is the offset _within the file_, and the length is the length _of the segment_, whereas when you add a segment to an evbuffer, the offset is _within the segment_ and the length is the length of the _part of the segment you want to use. In other words, if you have a 10 KiB file, and you create an evbuffer_file_segment for it with offset 20 and length 1000, it will refer to bytes 20..1019 inclusive. If you then pass this segment to evbuffer_add_file_segment and specify an offset of 20 and a length of 50, you will be adding bytes 40..99 inclusive. @param buf the evbuffer to append to @param seg the segment to add @param offset the offset within the segment to start from @param length the amount of data to add, or -1 to add it all. @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int evbuffer_add_file_segment(struct evbuffer *buf, struct evbuffer_file_segment *seg, ev_off_t offset, ev_off_t length); /** Append a formatted string to the end of an evbuffer. The string is formated as printf. @param buf the evbuffer that will be appended to @param fmt a format string @param ... arguments that will be passed to printf(3) @return The number of bytes added if successful, or -1 if an error occurred. @see evutil_printf(), evbuffer_add_vprintf() */ EVENT2_EXPORT_SYMBOL int evbuffer_add_printf(struct evbuffer *buf, const char *fmt, ...) #ifdef __GNUC__ __attribute__((format(printf, 2, 3))) #endif ; /** Append a va_list formatted string to the end of an evbuffer. @param buf the evbuffer that will be appended to @param fmt a format string @param ap a varargs va_list argument array that will be passed to vprintf(3) @return The number of bytes added if successful, or -1 if an error occurred. */ EVENT2_EXPORT_SYMBOL int evbuffer_add_vprintf(struct evbuffer *buf, const char *fmt, va_list ap) #ifdef __GNUC__ __attribute__((format(printf, 2, 0))) #endif ; /** Remove a specified number of bytes data from the beginning of an evbuffer. @param buf the evbuffer to be drained @param len the number of bytes to drain from the beginning of the buffer @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int evbuffer_drain(struct evbuffer *buf, size_t len); /** Write the contents of an evbuffer to a file descriptor. The evbuffer will be drained after the bytes have been successfully written. @param buffer the evbuffer to be written and drained @param fd the file descriptor to be written to @return the number of bytes written, or -1 if an error occurred @see evbuffer_read() */ EVENT2_EXPORT_SYMBOL int evbuffer_write(struct evbuffer *buffer, evutil_socket_t fd); /** Write some of the contents of an evbuffer to a file descriptor. The evbuffer will be drained after the bytes have been successfully written. @param buffer the evbuffer to be written and drained @param fd the file descriptor to be written to @param howmuch the largest allowable number of bytes to write, or -1 to write as many bytes as we can. @return the number of bytes written, or -1 if an error occurred @see evbuffer_read() */ EVENT2_EXPORT_SYMBOL int evbuffer_write_atmost(struct evbuffer *buffer, evutil_socket_t fd, ev_ssize_t howmuch); /** Read from a file descriptor and store the result in an evbuffer. @param buffer the evbuffer to store the result @param fd the file descriptor to read from @param howmuch the number of bytes to be read. If the given number is negative or out of maximum bytes per one read, as many bytes as we can will be read. @return the number of bytes read, or -1 if an error occurred @see evbuffer_write() */ EVENT2_EXPORT_SYMBOL int evbuffer_read(struct evbuffer *buffer, evutil_socket_t fd, int howmuch); /** Search for a string within an evbuffer. @param buffer the evbuffer to be searched @param what the string to be searched for @param len the length of the search string @param start NULL or a pointer to a valid struct evbuffer_ptr. @return a struct evbuffer_ptr whose 'pos' field has the offset of the first occurrence of the string in the buffer after 'start'. The 'pos' field of the result is -1 if the string was not found. */ EVENT2_EXPORT_SYMBOL struct evbuffer_ptr evbuffer_search(struct evbuffer *buffer, const char *what, size_t len, const struct evbuffer_ptr *start); /** Search for a string within part of an evbuffer. @param buffer the evbuffer to be searched @param what the string to be searched for @param len the length of the search string @param start NULL or a pointer to a valid struct evbuffer_ptr that indicates where we should start searching. @param end NULL or a pointer to a valid struct evbuffer_ptr that indicates where we should stop searching. @return a struct evbuffer_ptr whose 'pos' field has the offset of the first occurrence of the string in the buffer after 'start'. The 'pos' field of the result is -1 if the string was not found. */ EVENT2_EXPORT_SYMBOL struct evbuffer_ptr evbuffer_search_range(struct evbuffer *buffer, const char *what, size_t len, const struct evbuffer_ptr *start, const struct evbuffer_ptr *end); /** Defines how to adjust an evbuffer_ptr by evbuffer_ptr_set() @see evbuffer_ptr_set() */ enum evbuffer_ptr_how { /** Sets the pointer to the position; can be called on with an uninitialized evbuffer_ptr. */ EVBUFFER_PTR_SET, /** Advances the pointer by adding to the current position. */ EVBUFFER_PTR_ADD }; /** Sets the search pointer in the buffer to position. There are two ways to use this function: you can call evbuffer_ptr_set(buf, &pos, N, EVBUFFER_PTR_SET) to move 'pos' to a position 'N' bytes after the start of the buffer, or evbuffer_ptr_set(buf, &pos, N, EVBUFFER_PTR_ADD) to move 'pos' forward by 'N' bytes. If evbuffer_ptr is not initialized, this function can only be called with EVBUFFER_PTR_SET. An evbuffer_ptr can represent any position from the start of the buffer to a position immediately after the end of the buffer. @param buffer the evbuffer to be search @param ptr a pointer to a struct evbuffer_ptr @param position the position at which to start the next search @param how determines how the pointer should be manipulated. @returns 0 on success or -1 otherwise */ EVENT2_EXPORT_SYMBOL int evbuffer_ptr_set(struct evbuffer *buffer, struct evbuffer_ptr *ptr, size_t position, enum evbuffer_ptr_how how); /** Search for an end-of-line string within an evbuffer. @param buffer the evbuffer to be searched @param start NULL or a pointer to a valid struct evbuffer_ptr to start searching at. @param eol_len_out If non-NULL, the pointed-to value will be set to the length of the end-of-line string. @param eol_style The kind of EOL to look for; see evbuffer_readln() for more information @return a struct evbuffer_ptr whose 'pos' field has the offset of the first occurrence EOL in the buffer after 'start'. The 'pos' field of the result is -1 if the string was not found. */ EVENT2_EXPORT_SYMBOL struct evbuffer_ptr evbuffer_search_eol(struct evbuffer *buffer, struct evbuffer_ptr *start, size_t *eol_len_out, enum evbuffer_eol_style eol_style); /** Function to peek at data inside an evbuffer without removing it or copying it out. Pointers to the data are returned by filling the 'vec_out' array with pointers to one or more extents of data inside the buffer. The total data in the extents that you get back may be more than you requested (if there is more data last extent than you asked for), or less (if you do not provide enough evbuffer_iovecs, or if the buffer does not have as much data as you asked to see). @param buffer the evbuffer to peek into, @param len the number of bytes to try to peek. If len is negative, we will try to fill as much of vec_out as we can. If len is negative and vec_out is not provided, we return the number of evbuffer_iovecs that would be needed to get all the data in the buffer. @param start_at an evbuffer_ptr indicating the point at which we should start looking for data. NULL means, "At the start of the buffer." @param vec_out an array of evbuffer_iovec @param n_vec the length of vec_out. If 0, we only count how many extents would be necessary to point to the requested amount of data. @return The number of extents needed. This may be less than n_vec if we didn't need all the evbuffer_iovecs we were given, or more than n_vec if we would need more to return all the data that was requested. */ EVENT2_EXPORT_SYMBOL int evbuffer_peek(struct evbuffer *buffer, ev_ssize_t len, struct evbuffer_ptr *start_at, struct evbuffer_iovec *vec_out, int n_vec); /** Structure passed to an evbuffer_cb_func evbuffer callback @see evbuffer_cb_func, evbuffer_add_cb() */ struct evbuffer_cb_info { /** The number of bytes in this evbuffer when callbacks were last * invoked. */ size_t orig_size; /** The number of bytes added since callbacks were last invoked. */ size_t n_added; /** The number of bytes removed since callbacks were last invoked. */ size_t n_deleted; }; /** Type definition for a callback that is invoked whenever data is added or removed from an evbuffer. An evbuffer may have one or more callbacks set at a time. The order in which they are executed is undefined. A callback function may add more callbacks, or remove itself from the list of callbacks, or add or remove data from the buffer. It may not remove another callback from the list. If a callback adds or removes data from the buffer or from another buffer, this can cause a recursive invocation of your callback or other callbacks. If you ask for an infinite loop, you might just get one: watch out! @param buffer the buffer whose size has changed @param info a structure describing how the buffer changed. @param arg a pointer to user data */ typedef void (*evbuffer_cb_func)(struct evbuffer *buffer, const struct evbuffer_cb_info *info, void *arg); struct evbuffer_cb_entry; /** Add a new callback to an evbuffer. Subsequent calls to evbuffer_add_cb() add new callbacks. To remove this callback, call evbuffer_remove_cb or evbuffer_remove_cb_entry. @param buffer the evbuffer to be monitored @param cb the callback function to invoke when the evbuffer is modified, or NULL to remove all callbacks. @param cbarg an argument to be provided to the callback function @return a handle to the callback on success, or NULL on failure. */ EVENT2_EXPORT_SYMBOL struct evbuffer_cb_entry *evbuffer_add_cb(struct evbuffer *buffer, evbuffer_cb_func cb, void *cbarg); /** Remove a callback from an evbuffer, given a handle returned from evbuffer_add_cb. Calling this function invalidates the handle. @return 0 if a callback was removed, or -1 if no matching callback was found. */ EVENT2_EXPORT_SYMBOL int evbuffer_remove_cb_entry(struct evbuffer *buffer, struct evbuffer_cb_entry *ent); /** Remove a callback from an evbuffer, given the function and argument used to add it. @return 0 if a callback was removed, or -1 if no matching callback was found. */ EVENT2_EXPORT_SYMBOL int evbuffer_remove_cb(struct evbuffer *buffer, evbuffer_cb_func cb, void *cbarg); /** If this flag is not set, then a callback is temporarily disabled, and * should not be invoked. * * @see evbuffer_cb_set_flags(), evbuffer_cb_clear_flags() */ #define EVBUFFER_CB_ENABLED 1 /** Change the flags that are set for a callback on a buffer by adding more. @param buffer the evbuffer that the callback is watching. @param cb the callback whose status we want to change. @param flags EVBUFFER_CB_ENABLED to re-enable the callback. @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int evbuffer_cb_set_flags(struct evbuffer *buffer, struct evbuffer_cb_entry *cb, ev_uint32_t flags); /** Change the flags that are set for a callback on a buffer by removing some @param buffer the evbuffer that the callback is watching. @param cb the callback whose status we want to change. @param flags EVBUFFER_CB_ENABLED to disable the callback. @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int evbuffer_cb_clear_flags(struct evbuffer *buffer, struct evbuffer_cb_entry *cb, ev_uint32_t flags); #if 0 /** Postpone calling a given callback until unsuspend is called later. This is different from disabling the callback, since the callback will get invoked later if the buffer size changes between now and when we unsuspend it. @param the buffer that the callback is watching. @param cb the callback we want to suspend. */ EVENT2_EXPORT_SYMBOL void evbuffer_cb_suspend(struct evbuffer *buffer, struct evbuffer_cb_entry *cb); /** Stop postponing a callback that we postponed with evbuffer_cb_suspend. If data was added to or removed from the buffer while the callback was suspended, the callback will get called once now. @param the buffer that the callback is watching. @param cb the callback we want to stop suspending. */ EVENT2_EXPORT_SYMBOL void evbuffer_cb_unsuspend(struct evbuffer *buffer, struct evbuffer_cb_entry *cb); #endif /** Makes the data at the beginning of an evbuffer contiguous. @param buf the evbuffer to make contiguous @param size the number of bytes to make contiguous, or -1 to make the entire buffer contiguous. @return a pointer to the contiguous memory array, or NULL if param size requested more data than is present in the buffer. */ EVENT2_EXPORT_SYMBOL unsigned char *evbuffer_pullup(struct evbuffer *buf, ev_ssize_t size); /** Prepends data to the beginning of the evbuffer @param buf the evbuffer to which to prepend data @param data a pointer to the memory to prepend @param size the number of bytes to prepend @return 0 if successful, or -1 otherwise */ EVENT2_EXPORT_SYMBOL int evbuffer_prepend(struct evbuffer *buf, const void *data, size_t size); /** Prepends all data from the src evbuffer to the beginning of the dst evbuffer. @param dst the evbuffer to which to prepend data @param src the evbuffer to prepend; it will be emptied as a result @return 0 if successful, or -1 otherwise */ EVENT2_EXPORT_SYMBOL int evbuffer_prepend_buffer(struct evbuffer *dst, struct evbuffer* src); /** Prevent calls that modify an evbuffer from succeeding. A buffer may frozen at the front, at the back, or at both the front and the back. If the front of a buffer is frozen, operations that drain data from the front of the buffer, or that prepend data to the buffer, will fail until it is unfrozen. If the back a buffer is frozen, operations that append data from the buffer will fail until it is unfrozen. @param buf The buffer to freeze @param at_front If true, we freeze the front of the buffer. If false, we freeze the back. @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int evbuffer_freeze(struct evbuffer *buf, int at_front); /** Re-enable calls that modify an evbuffer. @param buf The buffer to un-freeze @param at_front If true, we unfreeze the front of the buffer. If false, we unfreeze the back. @return 0 on success, -1 on failure. */ EVENT2_EXPORT_SYMBOL int evbuffer_unfreeze(struct evbuffer *buf, int at_front); struct event_base; /** Force all the callbacks on an evbuffer to be run, not immediately after the evbuffer is altered, but instead from inside the event loop. This can be used to serialize all the callbacks to a single thread of execution. */ EVENT2_EXPORT_SYMBOL int evbuffer_defer_callbacks(struct evbuffer *buffer, struct event_base *base); /** Append data from 1 or more iovec's to an evbuffer Calculates the number of bytes needed for an iovec structure and guarantees all data will fit into a single chain. Can be used in lieu of functionality which calls evbuffer_add() constantly before being used to increase performance. @param buffer the destination buffer @param vec the source iovec @param n_vec the number of iovec structures. @return the number of bytes successfully written to the output buffer. */ EVENT2_EXPORT_SYMBOL size_t evbuffer_add_iovec(struct evbuffer * buffer, struct evbuffer_iovec * vec, int n_vec); #ifdef __cplusplus } #endif #endif /* EVENT2_BUFFER_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/evrpc.h0000644000076400001440000000373714111362571016674 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT1_EVRPC_H_INCLUDED_ #define EVENT1_EVRPC_H_INCLUDED_ /** @file evrpc.h An RPC system for Libevent. The header is deprecated in Libevent 2.0 and later; please use instead. Depending on what functionality you need, you may also want to include more of the other headers. */ #include #include #include #include #endif /* EVENT1_EVRPC_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/evdns.h0000644000076400001440000000374314111362571016671 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT1_EVDNS_H_INCLUDED_ #define EVENT1_EVDNS_H_INCLUDED_ /** @file evdns.h A dns subsystem for Libevent. The header is deprecated in Libevent 2.0 and later; please use instead. Depending on what functionality you need, you may also want to include more of the other headers. */ #include #include #include #include #endif /* EVENT1_EVDNS_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/evhttp.h0000644000076400001440000000376314111362571017066 0ustar00bernatusers/* * Copyright 2000-2007 Niels Provos * Copyright 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT1_EVHTTP_H_INCLUDED_ #define EVENT1_EVHTTP_H_INCLUDED_ /** @file evhttp.h An http implementation subsystem for Libevent. The header is deprecated in Libevent 2.0 and later; please use instead. Depending on what functionality you need, you may also want to include more of the other headers. */ #include #include #include #include #endif /* EVENT1_EVHTTP_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/event.h0000644000076400001440000000527014111362571016670 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT1_EVENT_H_INCLUDED_ #define EVENT1_EVENT_H_INCLUDED_ /** @file event.h A library for writing event-driven network servers. The header is deprecated in Libevent 2.0 and later; please use instead. Depending on what functionality you need, you may also want to include more of the other event2/ headers. */ #ifdef __cplusplus extern "C" { #endif #include #ifdef EVENT__HAVE_SYS_TYPES_H #include #endif #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #ifdef EVENT__HAVE_STDINT_H #include #endif #include /* For int types. */ #include #ifdef _WIN32 #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #include #undef WIN32_LEAN_AND_MEAN #endif #include #include #include #include #include #include #include #include #include #include #ifdef __cplusplus } #endif #endif /* EVENT1_EVENT_H_INCLUDED_ */ lldpd-1.0.18/libevent/include/include.am0000644000076400001440000000267414111362571017345 0ustar00bernatusers# include/include.am for libevent # Copyright 2000-2007 Niels Provos # Copyright 2007-2012 Niels Provos and Nick Mathewson # # See LICENSE for copying information. include_event2dir = $(includedir)/event2 EVENT2_EXPORT = \ include/event2/buffer.h \ include/event2/buffer_compat.h \ include/event2/bufferevent.h \ include/event2/bufferevent_compat.h \ include/event2/bufferevent_struct.h \ include/event2/dns.h \ include/event2/dns_compat.h \ include/event2/dns_struct.h \ include/event2/event.h \ include/event2/event_compat.h \ include/event2/event_struct.h \ include/event2/http.h \ include/event2/http_compat.h \ include/event2/http_struct.h \ include/event2/keyvalq_struct.h \ include/event2/listener.h \ include/event2/rpc.h \ include/event2/rpc_compat.h \ include/event2/rpc_struct.h \ include/event2/tag.h \ include/event2/tag_compat.h \ include/event2/thread.h \ include/event2/util.h \ include/event2/visibility.h if OPENSSL EVENT2_EXPORT += include/event2/bufferevent_ssl.h endif ## Without the nobase_ prefixing, Automake would strip "include/event2/" from ## the source header filename to derive the installed header filename. ## With nobase_ the installed path is $(includedir)/include/event2/ev*.h. if INSTALL_LIBEVENT include_event2_HEADERS = $(EVENT2_EXPORT) nodist_include_event2_HEADERS = include/event2/event-config.h else noinst_HEADERS += $(EVENT2_EXPORT) nodist_noinst_HEADERS = include/event2/event-config.h endif lldpd-1.0.18/libevent/Makefile.in0000644000076400001440000052201314550773306016030 0ustar00bernatusers# Makefile.in generated by automake 1.16.5 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2021 Free Software Foundation, Inc. # This Makefile.in is free software; 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AUTOMAKE_OPTIONS = foreign 1.13 subdir-objects ACLOCAL_AMFLAGS = -I m4 # This is the "Release" of the Libevent ABI. It takes precedence over # the VERSION_INFO, so that two versions of Libevent with the same # "Release" are never binary-compatible. # # This number incremented once for the 2.0 release candidate, and # will increment for each series until we revise our interfaces enough # that we can seriously expect ABI compatibility between series. # RELEASE = -release 2.1 # This is the version info for the libevent binary API. It has three # numbers: # Current -- the number of the binary API that we're implementing # Revision -- which iteration of the implementation of the binary # API are we supplying? # Age -- How many previous binary API versions do we also # support? # # To increment a VERSION_INFO (current:revision:age): # If the ABI didn't change: # Return (current:revision+1:age) # If the ABI changed, but it's backward-compatible: # Return (current+1:0:age+1) # If the ABI changed and it isn't backward-compatible: # Return (current+1:0:0) # # Once an RC is out, DO NOT MAKE ANY ABI-BREAKING CHANGES IN THAT SERIES # UNLESS YOU REALLY REALLY HAVE TO. VERSION_INFO = 7:1:0 # History: RELEASE VERSION_INFO # 2.0.1-alpha -- 2.0 1:0:0 # 2.0.2-alpha -- 2:0:0 # 2.0.3-alpha -- 2:0:0 (should have incremented; didn't.) # 2.0.4-alpha -- 3:0:0 # 2.0.5-beta -- 4:0:0 # 2.0.6-rc -- 2.0 2:0:0 # 2.0.7-rc -- 2.0 3:0:1 # 2.0.8-rc -- 2.0 4:0:2 # 2.0.9-rc -- 2.0 5:0:0 (ABI changed slightly) # 2.0.10-stable-- 2.0 5:1:0 (No ABI change) # 2.0.11-stable-- 2.0 6:0:1 (ABI changed, backward-compatible) # 2.0.12-stable-- 2.0 6:1:1 (No ABI change) # 2.0.13-stable-- 2.0 6:2:1 (No ABI change) # 2.0.14-stable-- 2.0 6:3:1 (No ABI change) # 2.0.15-stable-- 2.0 6:3:1 (Forgot to update :( ) # 2.0.16-stable-- 2.0 6:4:1 (No ABI change) # 2.0.17-stable-- 2.0 6:5:1 (No ABI change) # 2.0.18-stable-- 2.0 6:6:1 (No ABI change) # 2.0.19-stable-- 2.0 6:7:1 (No ABI change) # 2.0.20-stable-- 2.0 6:8:1 (No ABI change) # 2.0.21-stable-- 2.0 6:9:1 (No ABI change) # # For Libevent 2.1: # 2.1.1-alpha -- 2.1 1:0:0 # 2.1.2-alpha -- 2.1 1:0:0 (should have been 2:0:1) # 2.1.3-alpha -- 2.1 3:0:0 (ABI changed slightly) # 2.1.4-alpha -- 2.1 4:0:0 (ABI changed slightly) # 2.1.5-beta -- 2.1 5:0:0 (ABI changed slightly) # 2.1.6-beta -- 2.1 6:0:0 (ABI changed slightly) # 2.1.7-beta -- 2.1 6:1:0 (ABI changed slightly) # 2.1.8-stable-- 2.1 6:2:0 (No ABI change) # 2.1.9-beta-- 2.1 6:3:0 (No ABI change) # 2.1.10-stable-- 2.1 6:4:0 (No ABI change, WRONG) # 2.1.11-stable-- 2.1 7:0:0 (ABI changed) # 2.1.12-stable-- 2.1 7:1:0 (No ABI change) # ABI version history for this package effectively restarts every time # we change RELEASE. Version 1.4.x had RELEASE of 1.4. # # Ideally, we would not be using RELEASE at all; instead we could just # use the VERSION_INFO field to label our backward-incompatible ABI # changes, and those would be few and far between. Unfortunately, # Libevent still exposes far too many volatile structures in its # headers, so we pretty much have to assume that most development # series will break ABI compatibility. For now, it's simplest just to # keep incrementing the RELEASE between series and resetting VERSION_INFO. # # Eventually, when we get to the point where the structures in the # headers are all non-changing (or not there at all!), we can shift to # a more normal worldview where backward-incompatible ABI changes are # nice and rare. For the next couple of years, though, 'struct event' # is user-visible, and so we can pretty much guarantee that release # series won't be binary-compatible. @INSTALL_LIBEVENT_TRUE@dist_bin_SCRIPTS = event_rpcgen.py pkgconfigdir = $(libdir)/pkgconfig LIBEVENT_PKGCONFIG = libevent.pc libevent_core.pc libevent_extra.pc \ $(am__append_2) $(am__append_4) # These sources are conditionally added by configure.ac or conditionally # included from other files. PLATFORM_DEPENDENT_SRC = \ arc4random.c \ epoll_sub.c CMAKE_FILES = \ cmake/AddCompilerFlags.cmake \ cmake/AddEventLibrary.cmake \ cmake/CheckConstExists.cmake \ cmake/CheckFileOffsetBits.c \ cmake/CheckFileOffsetBits.cmake \ cmake/CheckFunctionKeywords.cmake \ cmake/CheckPrototypeDefinition.c.in \ cmake/CheckPrototypeDefinition.cmake \ cmake/CheckWorkingKqueue.cmake \ cmake/CodeCoverage.cmake \ cmake/COPYING-CMAKE-SCRIPTS \ cmake/Copyright.txt \ cmake/LibeventConfig.cmake.in \ cmake/LibeventConfigVersion.cmake.in \ cmake/Macros.cmake \ cmake/Uninstall.cmake.in \ cmake/UseDoxygen.cmake \ cmake/VersionViaGit.cmake \ event-config.h.cmake \ evconfig-private.h.cmake \ CMakeLists.txt EXTRA_DIST = ChangeLog-1.4 ChangeLog-2.0 Doxyfile LICENSE \ Makefile.nmake test/Makefile.nmake autogen.sh event_rpcgen.py \ libevent.pc.in make-event-config.sed whatsnew-2.0.txt \ whatsnew-2.1.txt README.md $(CMAKE_FILES) \ $(PLATFORM_DEPENDENT_SRC) test/check-dumpevents.py \ test/regress.gen.c test/regress.gen.h test/regress.rpc \ test/rpcgen_wrapper.sh test/print-winsock-errors.c \ test/test.sh LIBEVENT_LIBS_LA = libevent.la libevent_core.la libevent_extra.la \ $(am__append_1) $(am__append_3) @INSTALL_LIBEVENT_TRUE@lib_LTLIBRARIES = $(LIBEVENT_LIBS_LA) @INSTALL_LIBEVENT_TRUE@pkgconfig_DATA = $(LIBEVENT_PKGCONFIG) @INSTALL_LIBEVENT_FALSE@noinst_LTLIBRARIES = $(LIBEVENT_LIBS_LA) EXTRA_SOURCE = noinst_HEADERS = $(am__append_6) $(am__append_9) test/regress.h \ test/regress_thread.h test/tinytest.h test/tinytest_local.h \ test/tinytest_macros.h WIN32-Code/nmake/evconfig-private.h \ WIN32-Code/nmake/event2/event-config.h WIN32-Code/getopt.h \ WIN32-Code/getopt.c WIN32-Code/getopt_long.c WIN32-Code/tree.h \ bufferevent-internal.h changelist-internal.h \ compat/sys/queue.h defer-internal.h epolltable-internal.h \ evbuffer-internal.h event-internal.h evmap-internal.h \ evrpc-internal.h evsignal-internal.h evthread-internal.h \ ht-internal.h http-internal.h iocp-internal.h ipv6-internal.h \ kqueue-internal.h log-internal.h minheap-internal.h \ mm-internal.h ratelim-internal.h ratelim-internal.h \ strlcpy-internal.h time-internal.h util-internal.h \ openssl-compat.h $(am__append_28) CLEANFILES = test/rpcgen-attempted DISTCLEANFILES = test/regress.gen.c test/regress.gen.h *~ libevent.pc \ libevent_core.pc libevent_extra.pc \ ./include/event2/event-config.h BUILT_SOURCES = $(am__append_13) include/event2/event-config.h include_event2dir = $(includedir)/event2 EVENT2_EXPORT = include/event2/buffer.h include/event2/buffer_compat.h \ include/event2/bufferevent.h \ include/event2/bufferevent_compat.h \ include/event2/bufferevent_struct.h include/event2/dns.h \ include/event2/dns_compat.h include/event2/dns_struct.h \ include/event2/event.h include/event2/event_compat.h \ include/event2/event_struct.h include/event2/http.h \ include/event2/http_compat.h include/event2/http_struct.h \ include/event2/keyvalq_struct.h include/event2/listener.h \ include/event2/rpc.h include/event2/rpc_compat.h \ include/event2/rpc_struct.h include/event2/tag.h \ include/event2/tag_compat.h include/event2/thread.h \ include/event2/util.h include/event2/visibility.h \ $(am__append_5) @INSTALL_LIBEVENT_TRUE@include_event2_HEADERS = $(EVENT2_EXPORT) @INSTALL_LIBEVENT_TRUE@nodist_include_event2_HEADERS = include/event2/event-config.h @INSTALL_LIBEVENT_FALSE@nodist_noinst_HEADERS = include/event2/event-config.h SAMPLES = sample/dns-example sample/event-read-fifo sample/hello-world \ sample/http-server sample/http-connect sample/signal-test \ sample/time-test $(am__append_7) @OPENSSL_TRUE@sample_le_proxy_SOURCES = sample/le-proxy.c @OPENSSL_TRUE@sample_le_proxy_LDADD = libevent.la libevent_openssl.la $(OPENSSL_LIBS) $(OPENSSL_LIBADD) @OPENSSL_TRUE@sample_le_proxy_CPPFLAGS = $(AM_CPPFLAGS) $(OPENSSL_INCS) @OPENSSL_TRUE@sample_https_client_SOURCES = \ @OPENSSL_TRUE@ sample/https-client.c \ @OPENSSL_TRUE@ sample/hostcheck.c \ @OPENSSL_TRUE@ sample/openssl_hostname_validation.c @OPENSSL_TRUE@sample_https_client_LDADD = libevent.la \ @OPENSSL_TRUE@ libevent_openssl.la $(OPENSSL_LIBS) \ @OPENSSL_TRUE@ $(OPENSSL_LIBADD) $(am__append_8) @OPENSSL_TRUE@sample_https_client_CPPFLAGS = $(AM_CPPFLAGS) $(OPENSSL_INCS) sample_event_read_fifo_SOURCES = sample/event-read-fifo.c sample_event_read_fifo_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la sample_time_test_SOURCES = sample/time-test.c sample_time_test_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la sample_signal_test_SOURCES = sample/signal-test.c sample_signal_test_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la sample_dns_example_SOURCES = sample/dns-example.c sample_dns_example_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la sample_hello_world_SOURCES = sample/hello-world.c sample_hello_world_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la sample_http_server_SOURCES = sample/http-server.c sample_http_server_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la sample_http_connect_SOURCES = sample/http-connect.c sample_http_connect_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la regress_CPPFLAGS = -DTINYTEST_LOCAL TESTPROGRAMS = \ test/bench \ test/bench_cascade \ test/bench_http \ test/bench_httpclient \ test/test-changelist \ test/test-dumpevents \ test/test-eof \ test/test-closed \ test/test-fdleak \ test/test-init \ test/test-ratelim \ test/test-time \ test/test-weof \ test/regress TESTS = \ test_runner_epoll \ test_runner_select \ test_runner_kqueue \ test_runner_evport \ test_runner_devpoll \ test_runner_poll \ test_runner_win32 \ test_runner_timerfd \ test_runner_changelist \ test_runner_timerfd_changelist LOG_COMPILER = true TESTS_COMPILER = true test_test_init_SOURCES = test/test-init.c test_test_init_LDADD = libevent_core.la test_test_dumpevents_SOURCES = test/test-dumpevents.c test_test_dumpevents_LDADD = libevent_core.la test_test_eof_SOURCES = test/test-eof.c test_test_eof_LDADD = libevent_core.la test_test_closed_SOURCES = test/test-closed.c test_test_closed_LDADD = libevent_core.la test_test_changelist_SOURCES = test/test-changelist.c test_test_changelist_LDADD = libevent_core.la test_test_weof_SOURCES = test/test-weof.c test_test_weof_LDADD = libevent_core.la test_test_time_SOURCES = test/test-time.c test_test_time_LDADD = libevent_core.la test_test_ratelim_SOURCES = test/test-ratelim.c test_test_ratelim_LDADD = libevent_core.la -lm test_test_fdleak_SOURCES = test/test-fdleak.c test_test_fdleak_LDADD = libevent_core.la test_regress_SOURCES = test/regress.c test/regress.gen.c \ test/regress.gen.h test/regress_buffer.c \ test/regress_bufferevent.c test/regress_dns.c \ test/regress_et.c test/regress_finalize.c test/regress_http.c \ test/regress_listener.c test/regress_main.c \ test/regress_minheap.c test/regress_rpc.c \ test/regress_testutils.c test/regress_testutils.h \ test/regress_util.c test/tinytest.c $(regress_thread_SOURCES) \ $(regress_zlib_SOURCES) $(am__append_15) $(am__append_16) @BUILD_WIN32_TRUE@@THREADS_TRUE@regress_thread_SOURCES = test/regress_thread.c @PTHREADS_TRUE@regress_thread_SOURCES = test/regress_thread.c @ZLIB_REGRESS_TRUE@regress_zlib_SOURCES = test/regress_zlib.c test_regress_LDADD = $(LIBEVENT_GC_SECTIONS) libevent_core.la \ libevent_extra.la $(PTHREAD_LIBS) $(ZLIB_LIBS) \ $(am__append_18) test_regress_CPPFLAGS = $(AM_CPPFLAGS) $(PTHREAD_CFLAGS) \ $(ZLIB_CFLAGS) -Itest $(am__append_17) test_regress_LDFLAGS = $(PTHREAD_CFLAGS) test_bench_SOURCES = test/bench.c test_bench_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la test_bench_cascade_SOURCES = test/bench_cascade.c test_bench_cascade_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la test_bench_http_SOURCES = test/bench_http.c test_bench_http_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la test_bench_httpclient_SOURCES = test/bench_httpclient.c test_bench_httpclient_LDADD = $(LIBEVENT_GC_SECTIONS) libevent_core.la @BUILD_WIN32_FALSE@SYS_CORE_LIBS = @BUILD_WIN32_TRUE@SYS_CORE_LIBS = -liphlpapi @BUILD_WIN32_FALSE@SYS_LIBS = @BUILD_WIN32_TRUE@SYS_LIBS = -lws2_32 -lshell32 -ladvapi32 @BUILD_WIN32_FALSE@SYS_SRC = $(am__append_20) $(am__append_21) \ @BUILD_WIN32_FALSE@ $(am__append_22) $(am__append_23) \ @BUILD_WIN32_FALSE@ $(am__append_24) $(am__append_25) \ @BUILD_WIN32_FALSE@ $(am__append_26) $(am__append_27) @BUILD_WIN32_TRUE@SYS_SRC = win32select.c buffer_iocp.c event_iocp.c \ @BUILD_WIN32_TRUE@ bufferevent_async.c $(am__append_19) \ @BUILD_WIN32_TRUE@ $(am__append_20) $(am__append_21) \ @BUILD_WIN32_TRUE@ $(am__append_22) $(am__append_23) \ @BUILD_WIN32_TRUE@ $(am__append_24) $(am__append_25) \ @BUILD_WIN32_TRUE@ $(am__append_26) $(am__append_27) @BUILD_WIN32_FALSE@SYS_INCLUDES = @BUILD_WIN32_TRUE@SYS_INCLUDES = -IWIN32-Code -IWIN32-Code/nmake CORE_SRC = \ buffer.c \ bufferevent.c \ bufferevent_filter.c \ bufferevent_pair.c \ bufferevent_ratelim.c \ bufferevent_sock.c \ event.c \ evmap.c \ evthread.c \ evutil.c \ evutil_rand.c \ evutil_time.c \ listener.c \ log.c \ 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Version: @VERSION@ Requires: Conflicts: Libs: -L${libdir} -levent_core Libs.private: @LIBS@ Cflags: -I${includedir} lldpd-1.0.18/libevent/evutil_time.c0000644000076400001440000004355614111362570016455 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #ifdef _WIN32 #include #define WIN32_LEAN_AND_MEAN #include #undef WIN32_LEAN_AND_MEAN #endif #include #ifdef EVENT__HAVE_STDLIB_H #include #endif #include #include #ifndef EVENT__HAVE_GETTIMEOFDAY #include #endif #if !defined(EVENT__HAVE_NANOSLEEP) && !defined(EVENT__HAVE_USLEEP) && \ !defined(_WIN32) #include #endif #include #include #include /** evutil_usleep_() */ #if defined(_WIN32) #elif defined(EVENT__HAVE_NANOSLEEP) #elif defined(EVENT__HAVE_USLEEP) #include #endif #include "event2/util.h" #include "util-internal.h" #include "log-internal.h" #include "mm-internal.h" #ifndef EVENT__HAVE_GETTIMEOFDAY /* No gettimeofday; this must be windows. */ typedef void (WINAPI *GetSystemTimePreciseAsFileTime_fn_t) (LPFILETIME); int evutil_gettimeofday(struct timeval *tv, struct timezone *tz) { #ifdef _MSC_VER #define U64_LITERAL(n) n##ui64 #else #define U64_LITERAL(n) n##llu #endif /* Conversion logic taken from Tor, which in turn took it * from Perl. GetSystemTimeAsFileTime returns its value as * an unaligned (!) 64-bit value containing the number of * 100-nanosecond intervals since 1 January 1601 UTC. */ #define EPOCH_BIAS U64_LITERAL(116444736000000000) #define UNITS_PER_SEC U64_LITERAL(10000000) #define USEC_PER_SEC U64_LITERAL(1000000) #define UNITS_PER_USEC U64_LITERAL(10) union { FILETIME ft_ft; ev_uint64_t ft_64; } ft; if (tv == NULL) return -1; static GetSystemTimePreciseAsFileTime_fn_t GetSystemTimePreciseAsFileTime_fn = NULL; static int check_precise = 1; if (EVUTIL_UNLIKELY(check_precise)) { HMODULE h = evutil_load_windows_system_library_(TEXT("kernel32.dll")); if (h != NULL) GetSystemTimePreciseAsFileTime_fn = (GetSystemTimePreciseAsFileTime_fn_t) GetProcAddress(h, "GetSystemTimePreciseAsFileTime"); check_precise = 0; } if (GetSystemTimePreciseAsFileTime_fn != NULL) GetSystemTimePreciseAsFileTime_fn(&ft.ft_ft); else GetSystemTimeAsFileTime(&ft.ft_ft); if (EVUTIL_UNLIKELY(ft.ft_64 < EPOCH_BIAS)) { /* Time before the unix epoch. */ return -1; } ft.ft_64 -= EPOCH_BIAS; tv->tv_sec = (long) (ft.ft_64 / UNITS_PER_SEC); tv->tv_usec = (long) ((ft.ft_64 / UNITS_PER_USEC) % USEC_PER_SEC); return 0; } #endif #define MAX_SECONDS_IN_MSEC_LONG \ (((LONG_MAX) - 999) / 1000) long evutil_tv_to_msec_(const struct timeval *tv) { if (tv->tv_usec > 1000000 || tv->tv_sec > MAX_SECONDS_IN_MSEC_LONG) return -1; return (tv->tv_sec * 1000) + ((tv->tv_usec + 999) / 1000); } /* Replacement for usleep on platforms that don't have one. Not guaranteed to be any more finegrained than 1 msec. */ void evutil_usleep_(const struct timeval *tv) { if (!tv) return; #if defined(_WIN32) { __int64 usec; LARGE_INTEGER li; HANDLE timer; usec = tv->tv_sec * 1000000LL + tv->tv_usec; if (!usec) return; li.QuadPart = -10LL * usec; timer = CreateWaitableTimer(NULL, TRUE, NULL); if (!timer) return; SetWaitableTimer(timer, &li, 0, NULL, NULL, 0); WaitForSingleObject(timer, INFINITE); CloseHandle(timer); } #elif defined(EVENT__HAVE_NANOSLEEP) { struct timespec ts; ts.tv_sec = tv->tv_sec; ts.tv_nsec = tv->tv_usec*1000; nanosleep(&ts, NULL); } #elif defined(EVENT__HAVE_USLEEP) /* Some systems don't like to usleep more than 999999 usec */ sleep(tv->tv_sec); usleep(tv->tv_usec); #else { struct timeval tv2 = *tv; select(0, NULL, NULL, NULL, &tv2); } #endif } int evutil_date_rfc1123(char *date, const size_t datelen, const struct tm *tm) { static const char *DAYS[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; static const char *MONTHS[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; time_t t = time(NULL); #if defined(EVENT__HAVE__GMTIME64_S) || !defined(_WIN32) struct tm sys; #endif /* If `tm` is null, set system's current time. */ if (tm == NULL) { #if !defined(_WIN32) gmtime_r(&t, &sys); tm = &sys; /** detect _gmtime64()/_gmtime64_s() */ #elif defined(EVENT__HAVE__GMTIME64_S) errno_t err; err = _gmtime64_s(&sys, &t); if (err) { event_errx(1, "Invalid argument to _gmtime64_s"); } else { tm = &sys; } #elif defined(EVENT__HAVE__GMTIME64) tm = _gmtime64(&t); #else tm = gmtime(&t); #endif } return evutil_snprintf( date, datelen, "%s, %02d %s %4d %02d:%02d:%02d GMT", DAYS[tm->tm_wday], tm->tm_mday, MONTHS[tm->tm_mon], 1900 + tm->tm_year, tm->tm_hour, tm->tm_min, tm->tm_sec); } /* This function assumes it's called repeatedly with a not-actually-so-monotonic time source whose outputs are in 'tv'. It implements a trivial ratcheting mechanism so that the values never go backwards. */ static void adjust_monotonic_time(struct evutil_monotonic_timer *base, struct timeval *tv) { evutil_timeradd(tv, &base->adjust_monotonic_clock, tv); if (evutil_timercmp(tv, &base->last_time, <)) { /* Guess it wasn't monotonic after all. */ struct timeval adjust; evutil_timersub(&base->last_time, tv, &adjust); evutil_timeradd(&adjust, &base->adjust_monotonic_clock, &base->adjust_monotonic_clock); *tv = base->last_time; } base->last_time = *tv; } /* Allocate a new struct evutil_monotonic_timer */ struct evutil_monotonic_timer * evutil_monotonic_timer_new(void) { struct evutil_monotonic_timer *p = NULL; p = mm_malloc(sizeof(*p)); if (!p) goto done; memset(p, 0, sizeof(*p)); done: return p; } /* Free a struct evutil_monotonic_timer */ void evutil_monotonic_timer_free(struct evutil_monotonic_timer *timer) { if (timer) { mm_free(timer); } } /* Set up a struct evutil_monotonic_timer for initial use */ int evutil_configure_monotonic_time(struct evutil_monotonic_timer *timer, int flags) { return evutil_configure_monotonic_time_(timer, flags); } /* Query the current monotonic time */ int evutil_gettime_monotonic(struct evutil_monotonic_timer *timer, struct timeval *tp) { return evutil_gettime_monotonic_(timer, tp); } #if defined(HAVE_POSIX_MONOTONIC) /* ===== The POSIX clock_gettime() interface provides a few ways to get at a monotonic clock. CLOCK_MONOTONIC is most widely supported. Linux also provides a CLOCK_MONOTONIC_COARSE with accuracy of about 1-4 msec. On all platforms I'm aware of, CLOCK_MONOTONIC really is monotonic. Platforms don't agree about whether it should jump on a sleep/resume. */ int evutil_configure_monotonic_time_(struct evutil_monotonic_timer *base, int flags) { /* CLOCK_MONOTONIC exists on FreeBSD, Linux, and Solaris. You need to * check for it at runtime, because some older kernel versions won't * have it working. */ #ifdef CLOCK_MONOTONIC_COARSE const int precise = flags & EV_MONOT_PRECISE; #endif const int fallback = flags & EV_MONOT_FALLBACK; struct timespec ts; #ifdef CLOCK_MONOTONIC_COARSE if (CLOCK_MONOTONIC_COARSE < 0) { /* Technically speaking, nothing keeps CLOCK_* from being * negative (as far as I know). This check and the one below * make sure that it's safe for us to use -1 as an "unset" * value. */ event_errx(1,"I didn't expect CLOCK_MONOTONIC_COARSE to be < 0"); } if (! precise && ! fallback) { if (clock_gettime(CLOCK_MONOTONIC_COARSE, &ts) == 0) { base->monotonic_clock = CLOCK_MONOTONIC_COARSE; return 0; } } #endif if (!fallback && clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { base->monotonic_clock = CLOCK_MONOTONIC; return 0; } if (CLOCK_MONOTONIC < 0) { event_errx(1,"I didn't expect CLOCK_MONOTONIC to be < 0"); } base->monotonic_clock = -1; return 0; } int evutil_gettime_monotonic_(struct evutil_monotonic_timer *base, struct timeval *tp) { struct timespec ts; if (base->monotonic_clock < 0) { if (evutil_gettimeofday(tp, NULL) < 0) return -1; adjust_monotonic_time(base, tp); return 0; } if (clock_gettime(base->monotonic_clock, &ts) == -1) return -1; tp->tv_sec = ts.tv_sec; tp->tv_usec = ts.tv_nsec / 1000; return 0; } #endif #if defined(HAVE_MACH_MONOTONIC) /* ====== Apple is a little late to the POSIX party. And why not? Instead of clock_gettime(), they provide mach_absolute_time(). Its units are not fixed; we need to use mach_timebase_info() to get the right functions to convert its units into nanoseconds. To all appearances, mach_absolute_time() seems to be honest-to-goodness monotonic. Whether it stops during sleep or not is unspecified in principle, and dependent on CPU architecture in practice. */ int evutil_configure_monotonic_time_(struct evutil_monotonic_timer *base, int flags) { const int fallback = flags & EV_MONOT_FALLBACK; struct mach_timebase_info mi; memset(base, 0, sizeof(*base)); /* OSX has mach_absolute_time() */ if (!fallback && mach_timebase_info(&mi) == 0 && mach_absolute_time() != 0) { /* mach_timebase_info tells us how to convert * mach_absolute_time() into nanoseconds, but we * want to use microseconds instead. */ mi.denom *= 1000; memcpy(&base->mach_timebase_units, &mi, sizeof(mi)); } else { base->mach_timebase_units.numer = 0; } return 0; } int evutil_gettime_monotonic_(struct evutil_monotonic_timer *base, struct timeval *tp) { ev_uint64_t abstime, usec; if (base->mach_timebase_units.numer == 0) { if (evutil_gettimeofday(tp, NULL) < 0) return -1; adjust_monotonic_time(base, tp); return 0; } abstime = mach_absolute_time(); usec = (abstime * base->mach_timebase_units.numer) / (base->mach_timebase_units.denom); tp->tv_sec = usec / 1000000; tp->tv_usec = usec % 1000000; return 0; } #endif #if defined(HAVE_WIN32_MONOTONIC) /* ===== Turn we now to Windows. Want monontonic time on Windows? Windows has QueryPerformanceCounter(), which gives time most high- resolution time. It's a pity it's not so monotonic in practice; it's also got some fun bugs, especially: with older Windowses, under virtualizations, with funny hardware, on multiprocessor systems, and so on. PEP418 [1] has a nice roundup of the issues here. There's GetTickCount64() on Vista and later, which gives a number of 1-msec ticks since startup. The accuracy here might be as bad as 10-20 msec, I hear. There's an undocumented function (NtSetTimerResolution) that allegedly increases the accuracy. Good luck! There's also GetTickCount(), which is only 32 bits, but seems to be supported on pre-Vista versions of Windows. Apparently, you can coax another 14 bits out of it, giving you 2231 years before rollover. The less said about timeGetTime() the better. "We don't care. We don't have to. We're the Phone Company." -- Lily Tomlin, SNL Our strategy, if precise timers are turned off, is to just use the best GetTickCount equivalent available. If we've been asked for precise timing, then we mostly[2] assume that GetTickCount is monotonic, and correct GetPerformanceCounter to approximate it. [1] http://www.python.org/dev/peps/pep-0418 [2] Of course, we feed the Windows stuff into adjust_monotonic_time() anyway, just in case it isn't. */ /* Parts of our logic in the win32 timer code here are closely based on BitTorrent's libUTP library. That code is subject to the following license: Copyright (c) 2010 BitTorrent, Inc. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ static ev_uint64_t evutil_GetTickCount_(struct evutil_monotonic_timer *base) { if (base->GetTickCount64_fn) { /* Let's just use GetTickCount64 if we can. */ return base->GetTickCount64_fn(); } else if (base->GetTickCount_fn) { /* Greg Hazel assures me that this works, that BitTorrent has * done it for years, and this it won't turn around and * bite us. He says they found it on some game programmers' * forum some time around 2007. */ ev_uint64_t v = base->GetTickCount_fn(); return (DWORD)v | ((v >> 18) & 0xFFFFFFFF00000000); } else { /* Here's the fallback implementation. We have to use * GetTickCount() with its given signature, so we only get * 32 bits worth of milliseconds, which will roll ove every * 49 days or so. */ DWORD ticks = GetTickCount(); if (ticks < base->last_tick_count) { base->adjust_tick_count += ((ev_uint64_t)1) << 32; } base->last_tick_count = ticks; return ticks + base->adjust_tick_count; } } int evutil_configure_monotonic_time_(struct evutil_monotonic_timer *base, int flags) { const int precise = flags & EV_MONOT_PRECISE; const int fallback = flags & EV_MONOT_FALLBACK; HANDLE h; memset(base, 0, sizeof(*base)); h = evutil_load_windows_system_library_(TEXT("kernel32.dll")); if (h != NULL && !fallback) { base->GetTickCount64_fn = (ev_GetTickCount_func)GetProcAddress(h, "GetTickCount64"); base->GetTickCount_fn = (ev_GetTickCount_func)GetProcAddress(h, "GetTickCount"); } base->first_tick = base->last_tick_count = evutil_GetTickCount_(base); if (precise && !fallback) { LARGE_INTEGER freq; if (QueryPerformanceFrequency(&freq)) { LARGE_INTEGER counter; QueryPerformanceCounter(&counter); base->first_counter = counter.QuadPart; base->usec_per_count = 1.0e6 / freq.QuadPart; base->use_performance_counter = 1; } } return 0; } static inline ev_int64_t abs64(ev_int64_t i) { return i < 0 ? -i : i; } int evutil_gettime_monotonic_(struct evutil_monotonic_timer *base, struct timeval *tp) { ev_uint64_t ticks = evutil_GetTickCount_(base); if (base->use_performance_counter) { /* Here's a trick we took from BitTorrent's libutp, at Greg * Hazel's recommendation. We use QueryPerformanceCounter for * our high-resolution timer, but use GetTickCount*() to keep * it sane, and adjust_monotonic_time() to keep it monotonic. */ LARGE_INTEGER counter; ev_int64_t counter_elapsed, counter_usec_elapsed, ticks_elapsed; QueryPerformanceCounter(&counter); counter_elapsed = (ev_int64_t) (counter.QuadPart - base->first_counter); ticks_elapsed = ticks - base->first_tick; /* TODO: This may upset VC6. If you need this to work with * VC6, please supply an appropriate patch. */ counter_usec_elapsed = (ev_int64_t) (counter_elapsed * base->usec_per_count); if (abs64(ticks_elapsed*1000 - counter_usec_elapsed) > 1000000) { /* It appears that the QueryPerformanceCounter() * result is more than 1 second away from * GetTickCount() result. Let's adjust it to be as * accurate as we can; adjust_monotnonic_time() below * will keep it monotonic. */ counter_usec_elapsed = ticks_elapsed * 1000; base->first_counter = (ev_uint64_t) (counter.QuadPart - counter_usec_elapsed / base->usec_per_count); } tp->tv_sec = (time_t) (counter_usec_elapsed / 1000000); tp->tv_usec = counter_usec_elapsed % 1000000; } else { /* We're just using GetTickCount(). */ tp->tv_sec = (time_t) (ticks / 1000); tp->tv_usec = (ticks % 1000) * 1000; } adjust_monotonic_time(base, tp); return 0; } #endif #if defined(HAVE_FALLBACK_MONOTONIC) /* ===== And if none of the other options work, let's just use gettimeofday(), and ratchet it forward so that it acts like a monotonic timer, whether it wants to or not. */ int evutil_configure_monotonic_time_(struct evutil_monotonic_timer *base, int precise) { memset(base, 0, sizeof(*base)); return 0; } int evutil_gettime_monotonic_(struct evutil_monotonic_timer *base, struct timeval *tp) { if (evutil_gettimeofday(tp, NULL) < 0) return -1; adjust_monotonic_time(base, tp); return 0; } #endif lldpd-1.0.18/libevent/evrpc-internal.h0000644000076400001440000001311714111362570017053 0ustar00bernatusers/* * Copyright (c) 2006-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVRPC_INTERNAL_H_INCLUDED_ #define EVRPC_INTERNAL_H_INCLUDED_ #include "event2/http.h" #include "http-internal.h" struct evrpc; struct evrpc_request_wrapper; #define EVRPC_URI_PREFIX "/.rpc." struct evrpc_hook { TAILQ_ENTRY(evrpc_hook) next; /* returns EVRPC_TERMINATE; if the rpc should be aborted. * a hook is is allowed to rewrite the evbuffer */ int (*process)(void *, struct evhttp_request *, struct evbuffer *, void *); void *process_arg; }; TAILQ_HEAD(evrpc_hook_list, evrpc_hook); /* * this is shared between the base and the pool, so that we can reuse * the hook adding functions; we alias both evrpc_pool and evrpc_base * to this common structure. */ struct evrpc_hook_ctx; TAILQ_HEAD(evrpc_pause_list, evrpc_hook_ctx); struct evrpc_hooks_ { /* hooks for processing outbound and inbound rpcs */ struct evrpc_hook_list in_hooks; struct evrpc_hook_list out_hooks; struct evrpc_pause_list pause_requests; }; #define input_hooks common.in_hooks #define output_hooks common.out_hooks #define paused_requests common.pause_requests struct evrpc_base { struct evrpc_hooks_ common; /* the HTTP server under which we register our RPC calls */ struct evhttp* http_server; /* a list of all RPCs registered with us */ TAILQ_HEAD(evrpc_list, evrpc) registered_rpcs; }; struct evrpc_req_generic; void evrpc_reqstate_free_(struct evrpc_req_generic* rpc_state); /* A pool for holding evhttp_connection objects */ struct evrpc_pool { struct evrpc_hooks_ common; struct event_base *base; struct evconq connections; int timeout; TAILQ_HEAD(evrpc_requestq, evrpc_request_wrapper) (requests); }; struct evrpc_hook_ctx { TAILQ_ENTRY(evrpc_hook_ctx) next; void *ctx; void (*cb)(void *, enum EVRPC_HOOK_RESULT); }; struct evrpc_meta { TAILQ_ENTRY(evrpc_meta) next; char *key; void *data; size_t data_size; }; TAILQ_HEAD(evrpc_meta_list, evrpc_meta); struct evrpc_hook_meta { struct evrpc_meta_list meta_data; struct evhttp_connection *evcon; }; /* allows association of meta data with a request */ static void evrpc_hook_associate_meta_(struct evrpc_hook_meta **pctx, struct evhttp_connection *evcon); /* creates a new meta data store */ static struct evrpc_hook_meta *evrpc_hook_meta_new_(void); /* frees the meta data associated with a request */ static void evrpc_hook_context_free_(struct evrpc_hook_meta *ctx); /* the server side of an rpc */ /* We alias the RPC specific structs to this voided one */ struct evrpc_req_generic { /* * allows association of meta data via hooks - needs to be * synchronized with evrpc_request_wrapper */ struct evrpc_hook_meta *hook_meta; /* the unmarshaled request object */ void *request; /* the empty reply object that needs to be filled in */ void *reply; /* * the static structure for this rpc; that can be used to * automatically unmarshal and marshal the http buffers. */ struct evrpc *rpc; /* * the http request structure on which we need to answer. */ struct evhttp_request* http_req; /* * Temporary data store for marshaled data */ struct evbuffer* rpc_data; }; /* the client side of an rpc request */ struct evrpc_request_wrapper { /* * allows association of meta data via hooks - needs to be * synchronized with evrpc_req_generic. */ struct evrpc_hook_meta *hook_meta; TAILQ_ENTRY(evrpc_request_wrapper) next; /* pool on which this rpc request is being made */ struct evrpc_pool *pool; /* connection on which the request is being sent */ struct evhttp_connection *evcon; /* the actual request */ struct evhttp_request *req; /* event for implementing request timeouts */ struct event ev_timeout; /* the name of the rpc */ char *name; /* callback */ void (*cb)(struct evrpc_status*, void *request, void *reply, void *arg); void *cb_arg; void *request; void *reply; /* unmarshals the buffer into the proper request structure */ void (*request_marshal)(struct evbuffer *, void *); /* removes all stored state in the reply */ void (*reply_clear)(void *); /* marshals the reply into a buffer */ int (*reply_unmarshal)(void *, struct evbuffer*); }; #endif /* EVRPC_INTERNAL_H_INCLUDED_ */ lldpd-1.0.18/libevent/bufferevent_ratelim.c0000644000076400001440000007261414111362570020154 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * Copyright (c) 2002-2006 Niels Provos * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "evconfig-private.h" #include #include #include #include #include "event2/event.h" #include "event2/event_struct.h" #include "event2/util.h" #include "event2/bufferevent.h" #include "event2/bufferevent_struct.h" #include "event2/buffer.h" #include "ratelim-internal.h" #include "bufferevent-internal.h" #include "mm-internal.h" #include "util-internal.h" #include "event-internal.h" int ev_token_bucket_init_(struct ev_token_bucket *bucket, const struct ev_token_bucket_cfg *cfg, ev_uint32_t current_tick, int reinitialize) { if (reinitialize) { /* on reinitialization, we only clip downwards, since we've already used who-knows-how-much bandwidth this tick. We leave "last_updated" as it is; the next update will add the appropriate amount of bandwidth to the bucket. */ if (bucket->read_limit > (ev_int64_t) cfg->read_maximum) bucket->read_limit = cfg->read_maximum; if (bucket->write_limit > (ev_int64_t) cfg->write_maximum) bucket->write_limit = cfg->write_maximum; } else { bucket->read_limit = cfg->read_rate; bucket->write_limit = cfg->write_rate; bucket->last_updated = current_tick; } return 0; } int ev_token_bucket_update_(struct ev_token_bucket *bucket, const struct ev_token_bucket_cfg *cfg, ev_uint32_t current_tick) { /* It's okay if the tick number overflows, since we'll just * wrap around when we do the unsigned substraction. */ unsigned n_ticks = current_tick - bucket->last_updated; /* Make sure some ticks actually happened, and that time didn't * roll back. */ if (n_ticks == 0 || n_ticks > INT_MAX) return 0; /* Naively, we would say bucket->limit += n_ticks * cfg->rate; if (bucket->limit > cfg->maximum) bucket->limit = cfg->maximum; But we're worried about overflow, so we do it like this: */ if ((cfg->read_maximum - bucket->read_limit) / n_ticks < cfg->read_rate) bucket->read_limit = cfg->read_maximum; else bucket->read_limit += n_ticks * cfg->read_rate; if ((cfg->write_maximum - bucket->write_limit) / n_ticks < cfg->write_rate) bucket->write_limit = cfg->write_maximum; else bucket->write_limit += n_ticks * cfg->write_rate; bucket->last_updated = current_tick; return 1; } static inline void bufferevent_update_buckets(struct bufferevent_private *bev) { /* Must hold lock on bev. */ struct timeval now; unsigned tick; event_base_gettimeofday_cached(bev->bev.ev_base, &now); tick = ev_token_bucket_get_tick_(&now, bev->rate_limiting->cfg); if (tick != bev->rate_limiting->limit.last_updated) ev_token_bucket_update_(&bev->rate_limiting->limit, bev->rate_limiting->cfg, tick); } ev_uint32_t ev_token_bucket_get_tick_(const struct timeval *tv, const struct ev_token_bucket_cfg *cfg) { /* This computation uses two multiplies and a divide. We could do * fewer if we knew that the tick length was an integer number of * seconds, or if we knew it divided evenly into a second. We should * investigate that more. */ /* We cast to an ev_uint64_t first, since we don't want to overflow * before we do the final divide. */ ev_uint64_t msec = (ev_uint64_t)tv->tv_sec * 1000 + tv->tv_usec / 1000; return (unsigned)(msec / cfg->msec_per_tick); } struct ev_token_bucket_cfg * ev_token_bucket_cfg_new(size_t read_rate, size_t read_burst, size_t write_rate, size_t write_burst, const struct timeval *tick_len) { struct ev_token_bucket_cfg *r; struct timeval g; if (! tick_len) { g.tv_sec = 1; g.tv_usec = 0; tick_len = &g; } if (read_rate > read_burst || write_rate > write_burst || read_rate < 1 || write_rate < 1) return NULL; if (read_rate > EV_RATE_LIMIT_MAX || write_rate > EV_RATE_LIMIT_MAX || read_burst > EV_RATE_LIMIT_MAX || write_burst > EV_RATE_LIMIT_MAX) return NULL; r = mm_calloc(1, sizeof(struct ev_token_bucket_cfg)); if (!r) return NULL; r->read_rate = read_rate; r->write_rate = write_rate; r->read_maximum = read_burst; r->write_maximum = write_burst; memcpy(&r->tick_timeout, tick_len, sizeof(struct timeval)); r->msec_per_tick = (tick_len->tv_sec * 1000) + (tick_len->tv_usec & COMMON_TIMEOUT_MICROSECONDS_MASK)/1000; return r; } void ev_token_bucket_cfg_free(struct ev_token_bucket_cfg *cfg) { mm_free(cfg); } /* Default values for max_single_read & max_single_write variables. */ #define MAX_SINGLE_READ_DEFAULT 16384 #define MAX_SINGLE_WRITE_DEFAULT 16384 #define LOCK_GROUP(g) EVLOCK_LOCK((g)->lock, 0) #define UNLOCK_GROUP(g) EVLOCK_UNLOCK((g)->lock, 0) static int bev_group_suspend_reading_(struct bufferevent_rate_limit_group *g); static int bev_group_suspend_writing_(struct bufferevent_rate_limit_group *g); static void bev_group_unsuspend_reading_(struct bufferevent_rate_limit_group *g); static void bev_group_unsuspend_writing_(struct bufferevent_rate_limit_group *g); /** Helper: figure out the maximum amount we should write if is_write, or the maximum amount we should read if is_read. Return that maximum, or 0 if our bucket is wholly exhausted. */ static inline ev_ssize_t bufferevent_get_rlim_max_(struct bufferevent_private *bev, int is_write) { /* needs lock on bev. */ ev_ssize_t max_so_far = is_write?bev->max_single_write:bev->max_single_read; #define LIM(x) \ (is_write ? (x).write_limit : (x).read_limit) #define GROUP_SUSPENDED(g) \ (is_write ? (g)->write_suspended : (g)->read_suspended) /* Sets max_so_far to MIN(x, max_so_far) */ #define CLAMPTO(x) \ do { \ if (max_so_far > (x)) \ max_so_far = (x); \ } while (0); if (!bev->rate_limiting) return max_so_far; /* If rate-limiting is enabled at all, update the appropriate bucket, and take the smaller of our rate limit and the group rate limit. */ if (bev->rate_limiting->cfg) { bufferevent_update_buckets(bev); max_so_far = LIM(bev->rate_limiting->limit); } if (bev->rate_limiting->group) { struct bufferevent_rate_limit_group *g = bev->rate_limiting->group; ev_ssize_t share; LOCK_GROUP(g); if (GROUP_SUSPENDED(g)) { /* We can get here if we failed to lock this * particular bufferevent while suspending the whole * group. */ if (is_write) bufferevent_suspend_write_(&bev->bev, BEV_SUSPEND_BW_GROUP); else bufferevent_suspend_read_(&bev->bev, BEV_SUSPEND_BW_GROUP); share = 0; } else { /* XXXX probably we should divide among the active * members, not the total members. */ share = LIM(g->rate_limit) / g->n_members; if (share < g->min_share) share = g->min_share; } UNLOCK_GROUP(g); CLAMPTO(share); } if (max_so_far < 0) max_so_far = 0; return max_so_far; } ev_ssize_t bufferevent_get_read_max_(struct bufferevent_private *bev) { return bufferevent_get_rlim_max_(bev, 0); } ev_ssize_t bufferevent_get_write_max_(struct bufferevent_private *bev) { return bufferevent_get_rlim_max_(bev, 1); } int bufferevent_decrement_read_buckets_(struct bufferevent_private *bev, ev_ssize_t bytes) { /* XXXXX Make sure all users of this function check its return value */ int r = 0; /* need to hold lock on bev */ if (!bev->rate_limiting) return 0; if (bev->rate_limiting->cfg) { bev->rate_limiting->limit.read_limit -= bytes; if (bev->rate_limiting->limit.read_limit <= 0) { bufferevent_suspend_read_(&bev->bev, BEV_SUSPEND_BW); if (event_add(&bev->rate_limiting->refill_bucket_event, &bev->rate_limiting->cfg->tick_timeout) < 0) r = -1; } else if (bev->read_suspended & BEV_SUSPEND_BW) { if (!(bev->write_suspended & BEV_SUSPEND_BW)) event_del(&bev->rate_limiting->refill_bucket_event); bufferevent_unsuspend_read_(&bev->bev, BEV_SUSPEND_BW); } } if (bev->rate_limiting->group) { LOCK_GROUP(bev->rate_limiting->group); bev->rate_limiting->group->rate_limit.read_limit -= bytes; bev->rate_limiting->group->total_read += bytes; if (bev->rate_limiting->group->rate_limit.read_limit <= 0) { bev_group_suspend_reading_(bev->rate_limiting->group); } else if (bev->rate_limiting->group->read_suspended) { bev_group_unsuspend_reading_(bev->rate_limiting->group); } UNLOCK_GROUP(bev->rate_limiting->group); } return r; } int bufferevent_decrement_write_buckets_(struct bufferevent_private *bev, ev_ssize_t bytes) { /* XXXXX Make sure all users of this function check its return value */ int r = 0; /* need to hold lock */ if (!bev->rate_limiting) return 0; if (bev->rate_limiting->cfg) { bev->rate_limiting->limit.write_limit -= bytes; if (bev->rate_limiting->limit.write_limit <= 0) { bufferevent_suspend_write_(&bev->bev, BEV_SUSPEND_BW); if (event_add(&bev->rate_limiting->refill_bucket_event, &bev->rate_limiting->cfg->tick_timeout) < 0) r = -1; } else if (bev->write_suspended & BEV_SUSPEND_BW) { if (!(bev->read_suspended & BEV_SUSPEND_BW)) event_del(&bev->rate_limiting->refill_bucket_event); bufferevent_unsuspend_write_(&bev->bev, BEV_SUSPEND_BW); } } if (bev->rate_limiting->group) { LOCK_GROUP(bev->rate_limiting->group); bev->rate_limiting->group->rate_limit.write_limit -= bytes; bev->rate_limiting->group->total_written += bytes; if (bev->rate_limiting->group->rate_limit.write_limit <= 0) { bev_group_suspend_writing_(bev->rate_limiting->group); } else if (bev->rate_limiting->group->write_suspended) { bev_group_unsuspend_writing_(bev->rate_limiting->group); } UNLOCK_GROUP(bev->rate_limiting->group); } return r; } /** Stop reading on every bufferevent in g */ static int bev_group_suspend_reading_(struct bufferevent_rate_limit_group *g) { /* Needs group lock */ struct bufferevent_private *bev; g->read_suspended = 1; g->pending_unsuspend_read = 0; /* Note that in this loop we call EVLOCK_TRY_LOCK_ instead of BEV_LOCK, to prevent a deadlock. (Ordinarily, the group lock nests inside the bufferevent locks. If we are unable to lock any individual bufferevent, it will find out later when it looks at its limit and sees that its group is suspended.) */ LIST_FOREACH(bev, &g->members, rate_limiting->next_in_group) { if (EVLOCK_TRY_LOCK_(bev->lock)) { bufferevent_suspend_read_(&bev->bev, BEV_SUSPEND_BW_GROUP); EVLOCK_UNLOCK(bev->lock, 0); } } return 0; } /** Stop writing on every bufferevent in g */ static int bev_group_suspend_writing_(struct bufferevent_rate_limit_group *g) { /* Needs group lock */ struct bufferevent_private *bev; g->write_suspended = 1; g->pending_unsuspend_write = 0; LIST_FOREACH(bev, &g->members, rate_limiting->next_in_group) { if (EVLOCK_TRY_LOCK_(bev->lock)) { bufferevent_suspend_write_(&bev->bev, BEV_SUSPEND_BW_GROUP); EVLOCK_UNLOCK(bev->lock, 0); } } return 0; } /** Timer callback invoked on a single bufferevent with one or more exhausted buckets when they are ready to refill. */ static void bev_refill_callback_(evutil_socket_t fd, short what, void *arg) { unsigned tick; struct timeval now; struct bufferevent_private *bev = arg; int again = 0; BEV_LOCK(&bev->bev); if (!bev->rate_limiting || !bev->rate_limiting->cfg) { BEV_UNLOCK(&bev->bev); return; } /* First, update the bucket */ event_base_gettimeofday_cached(bev->bev.ev_base, &now); tick = ev_token_bucket_get_tick_(&now, bev->rate_limiting->cfg); ev_token_bucket_update_(&bev->rate_limiting->limit, bev->rate_limiting->cfg, tick); /* Now unsuspend any read/write operations as appropriate. */ if ((bev->read_suspended & BEV_SUSPEND_BW)) { if (bev->rate_limiting->limit.read_limit > 0) bufferevent_unsuspend_read_(&bev->bev, BEV_SUSPEND_BW); else again = 1; } if ((bev->write_suspended & BEV_SUSPEND_BW)) { if (bev->rate_limiting->limit.write_limit > 0) bufferevent_unsuspend_write_(&bev->bev, BEV_SUSPEND_BW); else again = 1; } if (again) { /* One or more of the buckets may need another refill if they started negative. XXXX if we need to be quiet for more ticks, we should maybe figure out what timeout we really want. */ /* XXXX Handle event_add failure somehow */ event_add(&bev->rate_limiting->refill_bucket_event, &bev->rate_limiting->cfg->tick_timeout); } BEV_UNLOCK(&bev->bev); } /** Helper: grab a random element from a bufferevent group. * * Requires that we hold the lock on the group. */ static struct bufferevent_private * bev_group_random_element_(struct bufferevent_rate_limit_group *group) { int which; struct bufferevent_private *bev; /* requires group lock */ if (!group->n_members) return NULL; EVUTIL_ASSERT(! LIST_EMPTY(&group->members)); which = evutil_weakrand_range_(&group->weakrand_seed, group->n_members); bev = LIST_FIRST(&group->members); while (which--) bev = LIST_NEXT(bev, rate_limiting->next_in_group); return bev; } /** Iterate over the elements of a rate-limiting group 'g' with a random starting point, assigning each to the variable 'bev', and executing the block 'block'. We do this in a half-baked effort to get fairness among group members. XXX Round-robin or some kind of priority queue would be even more fair. */ #define FOREACH_RANDOM_ORDER(block) \ do { \ first = bev_group_random_element_(g); \ for (bev = first; bev != LIST_END(&g->members); \ bev = LIST_NEXT(bev, rate_limiting->next_in_group)) { \ block ; \ } \ for (bev = LIST_FIRST(&g->members); bev && bev != first; \ bev = LIST_NEXT(bev, rate_limiting->next_in_group)) { \ block ; \ } \ } while (0) static void bev_group_unsuspend_reading_(struct bufferevent_rate_limit_group *g) { int again = 0; struct bufferevent_private *bev, *first; g->read_suspended = 0; FOREACH_RANDOM_ORDER({ if (EVLOCK_TRY_LOCK_(bev->lock)) { bufferevent_unsuspend_read_(&bev->bev, BEV_SUSPEND_BW_GROUP); EVLOCK_UNLOCK(bev->lock, 0); } else { again = 1; } }); g->pending_unsuspend_read = again; } static void bev_group_unsuspend_writing_(struct bufferevent_rate_limit_group *g) { int again = 0; struct bufferevent_private *bev, *first; g->write_suspended = 0; FOREACH_RANDOM_ORDER({ if (EVLOCK_TRY_LOCK_(bev->lock)) { bufferevent_unsuspend_write_(&bev->bev, BEV_SUSPEND_BW_GROUP); EVLOCK_UNLOCK(bev->lock, 0); } else { again = 1; } }); g->pending_unsuspend_write = again; } /** Callback invoked every tick to add more elements to the group bucket and unsuspend group members as needed. */ static void bev_group_refill_callback_(evutil_socket_t fd, short what, void *arg) { struct bufferevent_rate_limit_group *g = arg; unsigned tick; struct timeval now; event_base_gettimeofday_cached(event_get_base(&g->master_refill_event), &now); LOCK_GROUP(g); tick = ev_token_bucket_get_tick_(&now, &g->rate_limit_cfg); ev_token_bucket_update_(&g->rate_limit, &g->rate_limit_cfg, tick); if (g->pending_unsuspend_read || (g->read_suspended && (g->rate_limit.read_limit >= g->min_share))) { bev_group_unsuspend_reading_(g); } if (g->pending_unsuspend_write || (g->write_suspended && (g->rate_limit.write_limit >= g->min_share))){ bev_group_unsuspend_writing_(g); } /* XXXX Rather than waiting to the next tick to unsuspend stuff * with pending_unsuspend_write/read, we should do it on the * next iteration of the mainloop. */ UNLOCK_GROUP(g); } int bufferevent_set_rate_limit(struct bufferevent *bev, struct ev_token_bucket_cfg *cfg) { struct bufferevent_private *bevp = BEV_UPCAST(bev); int r = -1; struct bufferevent_rate_limit *rlim; struct timeval now; ev_uint32_t tick; int reinit = 0, suspended = 0; /* XXX reference-count cfg */ BEV_LOCK(bev); if (cfg == NULL) { if (bevp->rate_limiting) { rlim = bevp->rate_limiting; rlim->cfg = NULL; bufferevent_unsuspend_read_(bev, BEV_SUSPEND_BW); bufferevent_unsuspend_write_(bev, BEV_SUSPEND_BW); if (event_initialized(&rlim->refill_bucket_event)) event_del(&rlim->refill_bucket_event); } r = 0; goto done; } event_base_gettimeofday_cached(bev->ev_base, &now); tick = ev_token_bucket_get_tick_(&now, cfg); if (bevp->rate_limiting && bevp->rate_limiting->cfg == cfg) { /* no-op */ r = 0; goto done; } if (bevp->rate_limiting == NULL) { rlim = mm_calloc(1, sizeof(struct bufferevent_rate_limit)); if (!rlim) goto done; bevp->rate_limiting = rlim; } else { rlim = bevp->rate_limiting; } reinit = rlim->cfg != NULL; rlim->cfg = cfg; ev_token_bucket_init_(&rlim->limit, cfg, tick, reinit); if (reinit) { EVUTIL_ASSERT(event_initialized(&rlim->refill_bucket_event)); event_del(&rlim->refill_bucket_event); } event_assign(&rlim->refill_bucket_event, bev->ev_base, -1, EV_FINALIZE, bev_refill_callback_, bevp); if (rlim->limit.read_limit > 0) { bufferevent_unsuspend_read_(bev, BEV_SUSPEND_BW); } else { bufferevent_suspend_read_(bev, BEV_SUSPEND_BW); suspended=1; } if (rlim->limit.write_limit > 0) { bufferevent_unsuspend_write_(bev, BEV_SUSPEND_BW); } else { bufferevent_suspend_write_(bev, BEV_SUSPEND_BW); suspended = 1; } if (suspended) event_add(&rlim->refill_bucket_event, &cfg->tick_timeout); r = 0; done: BEV_UNLOCK(bev); return r; } struct bufferevent_rate_limit_group * bufferevent_rate_limit_group_new(struct event_base *base, const struct ev_token_bucket_cfg *cfg) { struct bufferevent_rate_limit_group *g; struct timeval now; ev_uint32_t tick; event_base_gettimeofday_cached(base, &now); tick = ev_token_bucket_get_tick_(&now, cfg); g = mm_calloc(1, sizeof(struct bufferevent_rate_limit_group)); if (!g) return NULL; memcpy(&g->rate_limit_cfg, cfg, sizeof(g->rate_limit_cfg)); LIST_INIT(&g->members); ev_token_bucket_init_(&g->rate_limit, cfg, tick, 0); event_assign(&g->master_refill_event, base, -1, EV_PERSIST|EV_FINALIZE, bev_group_refill_callback_, g); /*XXXX handle event_add failure */ event_add(&g->master_refill_event, &cfg->tick_timeout); EVTHREAD_ALLOC_LOCK(g->lock, EVTHREAD_LOCKTYPE_RECURSIVE); bufferevent_rate_limit_group_set_min_share(g, 64); evutil_weakrand_seed_(&g->weakrand_seed, (ev_uint32_t) ((now.tv_sec + now.tv_usec) + (ev_intptr_t)g)); return g; } int bufferevent_rate_limit_group_set_cfg( struct bufferevent_rate_limit_group *g, const struct ev_token_bucket_cfg *cfg) { int same_tick; if (!g || !cfg) return -1; LOCK_GROUP(g); same_tick = evutil_timercmp( &g->rate_limit_cfg.tick_timeout, &cfg->tick_timeout, ==); memcpy(&g->rate_limit_cfg, cfg, sizeof(g->rate_limit_cfg)); if (g->rate_limit.read_limit > (ev_ssize_t)cfg->read_maximum) g->rate_limit.read_limit = cfg->read_maximum; if (g->rate_limit.write_limit > (ev_ssize_t)cfg->write_maximum) g->rate_limit.write_limit = cfg->write_maximum; if (!same_tick) { /* This can cause a hiccup in the schedule */ event_add(&g->master_refill_event, &cfg->tick_timeout); } /* The new limits might force us to adjust min_share differently. */ bufferevent_rate_limit_group_set_min_share(g, g->configured_min_share); UNLOCK_GROUP(g); return 0; } int bufferevent_rate_limit_group_set_min_share( struct bufferevent_rate_limit_group *g, size_t share) { if (share > EV_SSIZE_MAX) return -1; g->configured_min_share = share; /* Can't set share to less than the one-tick maximum. IOW, at steady * state, at least one connection can go per tick. */ if (share > g->rate_limit_cfg.read_rate) share = g->rate_limit_cfg.read_rate; if (share > g->rate_limit_cfg.write_rate) share = g->rate_limit_cfg.write_rate; g->min_share = share; return 0; } void bufferevent_rate_limit_group_free(struct bufferevent_rate_limit_group *g) { LOCK_GROUP(g); EVUTIL_ASSERT(0 == g->n_members); event_del(&g->master_refill_event); UNLOCK_GROUP(g); EVTHREAD_FREE_LOCK(g->lock, EVTHREAD_LOCKTYPE_RECURSIVE); mm_free(g); } int bufferevent_add_to_rate_limit_group(struct bufferevent *bev, struct bufferevent_rate_limit_group *g) { int wsuspend, rsuspend; struct bufferevent_private *bevp = BEV_UPCAST(bev); BEV_LOCK(bev); if (!bevp->rate_limiting) { struct bufferevent_rate_limit *rlim; rlim = mm_calloc(1, sizeof(struct bufferevent_rate_limit)); if (!rlim) { BEV_UNLOCK(bev); return -1; } event_assign(&rlim->refill_bucket_event, bev->ev_base, -1, EV_FINALIZE, bev_refill_callback_, bevp); bevp->rate_limiting = rlim; } if (bevp->rate_limiting->group == g) { BEV_UNLOCK(bev); return 0; } if (bevp->rate_limiting->group) bufferevent_remove_from_rate_limit_group(bev); LOCK_GROUP(g); bevp->rate_limiting->group = g; ++g->n_members; LIST_INSERT_HEAD(&g->members, bevp, rate_limiting->next_in_group); rsuspend = g->read_suspended; wsuspend = g->write_suspended; UNLOCK_GROUP(g); if (rsuspend) bufferevent_suspend_read_(bev, BEV_SUSPEND_BW_GROUP); if (wsuspend) bufferevent_suspend_write_(bev, BEV_SUSPEND_BW_GROUP); BEV_UNLOCK(bev); return 0; } int bufferevent_remove_from_rate_limit_group(struct bufferevent *bev) { return bufferevent_remove_from_rate_limit_group_internal_(bev, 1); } int bufferevent_remove_from_rate_limit_group_internal_(struct bufferevent *bev, int unsuspend) { struct bufferevent_private *bevp = BEV_UPCAST(bev); BEV_LOCK(bev); if (bevp->rate_limiting && bevp->rate_limiting->group) { struct bufferevent_rate_limit_group *g = bevp->rate_limiting->group; LOCK_GROUP(g); bevp->rate_limiting->group = NULL; --g->n_members; LIST_REMOVE(bevp, rate_limiting->next_in_group); UNLOCK_GROUP(g); } if (unsuspend) { bufferevent_unsuspend_read_(bev, BEV_SUSPEND_BW_GROUP); bufferevent_unsuspend_write_(bev, BEV_SUSPEND_BW_GROUP); } BEV_UNLOCK(bev); return 0; } /* === * API functions to expose rate limits. * * Don't use these from inside Libevent; they're meant to be for use by * the program. * === */ /* Mostly you don't want to use this function from inside libevent; * bufferevent_get_read_max_() is more likely what you want*/ ev_ssize_t bufferevent_get_read_limit(struct bufferevent *bev) { ev_ssize_t r; struct bufferevent_private *bevp; BEV_LOCK(bev); bevp = BEV_UPCAST(bev); if (bevp->rate_limiting && bevp->rate_limiting->cfg) { bufferevent_update_buckets(bevp); r = bevp->rate_limiting->limit.read_limit; } else { r = EV_SSIZE_MAX; } BEV_UNLOCK(bev); return r; } /* Mostly you don't want to use this function from inside libevent; * bufferevent_get_write_max_() is more likely what you want*/ ev_ssize_t bufferevent_get_write_limit(struct bufferevent *bev) { ev_ssize_t r; struct bufferevent_private *bevp; BEV_LOCK(bev); bevp = BEV_UPCAST(bev); if (bevp->rate_limiting && bevp->rate_limiting->cfg) { bufferevent_update_buckets(bevp); r = bevp->rate_limiting->limit.write_limit; } else { r = EV_SSIZE_MAX; } BEV_UNLOCK(bev); return r; } int bufferevent_set_max_single_read(struct bufferevent *bev, size_t size) { struct bufferevent_private *bevp; BEV_LOCK(bev); bevp = BEV_UPCAST(bev); if (size == 0 || size > EV_SSIZE_MAX) bevp->max_single_read = MAX_SINGLE_READ_DEFAULT; else bevp->max_single_read = size; BEV_UNLOCK(bev); return 0; } int bufferevent_set_max_single_write(struct bufferevent *bev, size_t size) { struct bufferevent_private *bevp; BEV_LOCK(bev); bevp = BEV_UPCAST(bev); if (size == 0 || size > EV_SSIZE_MAX) bevp->max_single_write = MAX_SINGLE_WRITE_DEFAULT; else bevp->max_single_write = size; BEV_UNLOCK(bev); return 0; } ev_ssize_t bufferevent_get_max_single_read(struct bufferevent *bev) { ev_ssize_t r; BEV_LOCK(bev); r = BEV_UPCAST(bev)->max_single_read; BEV_UNLOCK(bev); return r; } ev_ssize_t bufferevent_get_max_single_write(struct bufferevent *bev) { ev_ssize_t r; BEV_LOCK(bev); r = BEV_UPCAST(bev)->max_single_write; BEV_UNLOCK(bev); return r; } ev_ssize_t bufferevent_get_max_to_read(struct bufferevent *bev) { ev_ssize_t r; BEV_LOCK(bev); r = bufferevent_get_read_max_(BEV_UPCAST(bev)); BEV_UNLOCK(bev); return r; } ev_ssize_t bufferevent_get_max_to_write(struct bufferevent *bev) { ev_ssize_t r; BEV_LOCK(bev); r = bufferevent_get_write_max_(BEV_UPCAST(bev)); BEV_UNLOCK(bev); return r; } const struct ev_token_bucket_cfg * bufferevent_get_token_bucket_cfg(const struct bufferevent *bev) { struct bufferevent_private *bufev_private = BEV_UPCAST(bev); struct ev_token_bucket_cfg *cfg; BEV_LOCK(bev); if (bufev_private->rate_limiting) { cfg = bufev_private->rate_limiting->cfg; } else { cfg = NULL; } BEV_UNLOCK(bev); return cfg; } /* Mostly you don't want to use this function from inside libevent; * bufferevent_get_read_max_() is more likely what you want*/ ev_ssize_t bufferevent_rate_limit_group_get_read_limit( struct bufferevent_rate_limit_group *grp) { ev_ssize_t r; LOCK_GROUP(grp); r = grp->rate_limit.read_limit; UNLOCK_GROUP(grp); return r; } /* Mostly you don't want to use this function from inside libevent; * bufferevent_get_write_max_() is more likely what you want. */ ev_ssize_t bufferevent_rate_limit_group_get_write_limit( struct bufferevent_rate_limit_group *grp) { ev_ssize_t r; LOCK_GROUP(grp); r = grp->rate_limit.write_limit; UNLOCK_GROUP(grp); return r; } int bufferevent_decrement_read_limit(struct bufferevent *bev, ev_ssize_t decr) { int r = 0; ev_ssize_t old_limit, new_limit; struct bufferevent_private *bevp; BEV_LOCK(bev); bevp = BEV_UPCAST(bev); EVUTIL_ASSERT(bevp->rate_limiting && bevp->rate_limiting->cfg); old_limit = bevp->rate_limiting->limit.read_limit; new_limit = (bevp->rate_limiting->limit.read_limit -= decr); if (old_limit > 0 && new_limit <= 0) { bufferevent_suspend_read_(bev, BEV_SUSPEND_BW); if (event_add(&bevp->rate_limiting->refill_bucket_event, &bevp->rate_limiting->cfg->tick_timeout) < 0) r = -1; } else if (old_limit <= 0 && new_limit > 0) { if (!(bevp->write_suspended & BEV_SUSPEND_BW)) event_del(&bevp->rate_limiting->refill_bucket_event); bufferevent_unsuspend_read_(bev, BEV_SUSPEND_BW); } BEV_UNLOCK(bev); return r; } int bufferevent_decrement_write_limit(struct bufferevent *bev, ev_ssize_t decr) { /* XXXX this is mostly copy-and-paste from * bufferevent_decrement_read_limit */ int r = 0; ev_ssize_t old_limit, new_limit; struct bufferevent_private *bevp; BEV_LOCK(bev); bevp = BEV_UPCAST(bev); EVUTIL_ASSERT(bevp->rate_limiting && bevp->rate_limiting->cfg); old_limit = bevp->rate_limiting->limit.write_limit; new_limit = (bevp->rate_limiting->limit.write_limit -= decr); if (old_limit > 0 && new_limit <= 0) { bufferevent_suspend_write_(bev, BEV_SUSPEND_BW); if (event_add(&bevp->rate_limiting->refill_bucket_event, &bevp->rate_limiting->cfg->tick_timeout) < 0) r = -1; } else if (old_limit <= 0 && new_limit > 0) { if (!(bevp->read_suspended & BEV_SUSPEND_BW)) event_del(&bevp->rate_limiting->refill_bucket_event); bufferevent_unsuspend_write_(bev, BEV_SUSPEND_BW); } BEV_UNLOCK(bev); return r; } int bufferevent_rate_limit_group_decrement_read( struct bufferevent_rate_limit_group *grp, ev_ssize_t decr) { int r = 0; ev_ssize_t old_limit, new_limit; LOCK_GROUP(grp); old_limit = grp->rate_limit.read_limit; new_limit = (grp->rate_limit.read_limit -= decr); if (old_limit > 0 && new_limit <= 0) { bev_group_suspend_reading_(grp); } else if (old_limit <= 0 && new_limit > 0) { bev_group_unsuspend_reading_(grp); } UNLOCK_GROUP(grp); return r; } int bufferevent_rate_limit_group_decrement_write( struct bufferevent_rate_limit_group *grp, ev_ssize_t decr) { int r = 0; ev_ssize_t old_limit, new_limit; LOCK_GROUP(grp); old_limit = grp->rate_limit.write_limit; new_limit = (grp->rate_limit.write_limit -= decr); if (old_limit > 0 && new_limit <= 0) { bev_group_suspend_writing_(grp); } else if (old_limit <= 0 && new_limit > 0) { bev_group_unsuspend_writing_(grp); } UNLOCK_GROUP(grp); return r; } void bufferevent_rate_limit_group_get_totals(struct bufferevent_rate_limit_group *grp, ev_uint64_t *total_read_out, ev_uint64_t *total_written_out) { EVUTIL_ASSERT(grp != NULL); if (total_read_out) *total_read_out = grp->total_read; if (total_written_out) *total_written_out = grp->total_written; } void bufferevent_rate_limit_group_reset_totals(struct bufferevent_rate_limit_group *grp) { grp->total_read = grp->total_written = 0; } int bufferevent_ratelim_init_(struct bufferevent_private *bev) { bev->rate_limiting = NULL; bev->max_single_read = MAX_SINGLE_READ_DEFAULT; bev->max_single_write = MAX_SINGLE_WRITE_DEFAULT; return 0; } lldpd-1.0.18/libevent/libevent_pthreads.pc.in0000644000076400001440000000060014111362570020375 0ustar00bernatusers#libevent pkg-config source file prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: libevent_pthreads Description: libevent_pthreads adds pthreads-based threading support to libevent Version: @VERSION@ Requires: libevent Conflicts: Libs: -L${libdir} -levent_pthreads Libs.private: @LIBS@ @PTHREAD_LIBS@ Cflags: -I${includedir} @PTHREAD_CFLAGS@ lldpd-1.0.18/libevent/changelist-internal.h0000644000076400001440000001102314111362570020047 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef CHANGELIST_INTERNAL_H_INCLUDED_ #define CHANGELIST_INTERNAL_H_INCLUDED_ /* A "changelist" is a list of all the fd status changes that should be made between calls to the backend's dispatch function. There are a few reasons that a backend would want to queue changes like this rather than processing them immediately. 1) Sometimes applications will add and delete the same event more than once between calls to dispatch. Processing these changes immediately is needless, and potentially expensive (especially if we're on a system that makes one syscall per changed event). 2) Sometimes we can coalesce multiple changes on the same fd into a single syscall if we know about them in advance. For example, epoll can do an add and a delete at the same time, but only if we have found out about both of them before we tell epoll. 3) Sometimes adding an event that we immediately delete can cause unintended consequences: in kqueue, this makes pending events get reported spuriously. */ #include "event2/util.h" /** Represents a */ struct event_change { /** The fd or signal whose events are to be changed */ evutil_socket_t fd; /* The events that were enabled on the fd before any of these changes were made. May include EV_READ or EV_WRITE. */ short old_events; /* The changes that we want to make in reading and writing on this fd. * If this is a signal, then read_change has EV_CHANGE_SIGNAL set, * and write_change is unused. */ ev_uint8_t read_change; ev_uint8_t write_change; ev_uint8_t close_change; }; /* Flags for read_change and write_change. */ /* If set, add the event. */ #define EV_CHANGE_ADD 0x01 /* If set, delete the event. Exclusive with EV_CHANGE_ADD */ #define EV_CHANGE_DEL 0x02 /* If set, this event refers a signal, not an fd. */ #define EV_CHANGE_SIGNAL EV_SIGNAL /* Set for persistent events. Currently not used. */ #define EV_CHANGE_PERSIST EV_PERSIST /* Set for adding edge-triggered events. */ #define EV_CHANGE_ET EV_ET /* The value of fdinfo_size that a backend should use if it is letting * changelist handle its add and delete functions. */ #define EVENT_CHANGELIST_FDINFO_SIZE sizeof(int) /** Set up the data fields in a changelist. */ void event_changelist_init_(struct event_changelist *changelist); /** Remove every change in the changelist, and make corresponding changes * in the event maps in the base. This function is generally used right * after making all the changes in the changelist. */ void event_changelist_remove_all_(struct event_changelist *changelist, struct event_base *base); /** Free all memory held in a changelist. */ void event_changelist_freemem_(struct event_changelist *changelist); /** Implementation of eventop_add that queues the event in a changelist. */ int event_changelist_add_(struct event_base *base, evutil_socket_t fd, short old, short events, void *p); /** Implementation of eventop_del that queues the event in a changelist. */ int event_changelist_del_(struct event_base *base, evutil_socket_t fd, short old, short events, void *p); #endif lldpd-1.0.18/libevent/ChangeLog0000644000076400001440000034474214111362570015536 0ustar00bernatusersChanges in version 2.1.12-stable (05 Jul 2020) This release contains mostly bug fixes (I decided not to port some features that can be ported even without ABI breakage, if you cannot find feature that you are interested in, please give us a note!) Since 2.1.12 libevent will use github actions as main CI, since it recommends itself better then travis/appveyor (and had been removed from upstream). Look carefully at "slightly touches the behaviour" section. Below you will find some of changes (this list has been cleaned up from the patches that touches only tests and similar): CI: o Backport github actions to 2.1 (be3acd7c Azat Khuzhin) o Merge branch 'event_rpcgen.py-cleanup' (f0ded5f3, 48e04887 Enji Cooper) o Add API/ABI checker (using LVC) (709210d4, 2af1f6cc yuangongji) test: o tinytest: support timeout on Windows (794e8f75 yuangongji) o Merge branch 'osx-clock' (e85afbe3 Azat Khuzhin) o test-ratelim: calculate timers bias (for slow CPUs) to avoid false-positive (8ad26d0b Azat Khuzhin) fixes: o buffer: do not pass NULL to memcpy() from evbuffer_pullup() (5b063049 Azat Khuzhin) o http: fix undefined-shift in EVUTIL_IS*_ helpers (6b8d02a7 Azat Khuzhin) o Check error code of evhttp_add_header_internal() in evhttp_parse_query_impl() (97e28f09 Azat Khuzhin) o http: fix EVHTTP_CON_AUTOFREE in case of timeout (and some else) (1be25938 Azat Khuzhin) o evdns: Add additional validation for values of dns options (c2972453 ayuseleznev) o There is typo in GetAdaptersAddresses windows library. It should be iphlpapi.dll (891adda9 Aleksandr-Melnikov) o Merge branch 'EV_CLOSED-and-EV_ET-fixes' (db2efdf5 Azat Khuzhin) o Fix memory corruption in EV_CLOSURE_EVENT_FINALIZE with debug enabled (8ccd8f56 Jan Kasiak) o increase segment refcnt only if evbuffer_add_file_segment() succeeds (30662a3c yuangongji) o evdns: fix a crash when evdns_base with waiting requests is freed (6f8e0e97 ayuseleznev) o event_base_once: fix potential null pointer threat (2e9ceb16 chenguolong) o http: do not assume body for CONNECT (1b42270b Azat Khuzhin) o evbuffer_add_file: fix freeing of segment in the error path (5f017bde Azat Khuzhin) o Fix checking return value of the evdns_base_resolv_conf_parse() (fc51bf2c Azat Khuzhin) o Merge branch 'fix-signal-leak' (poll/select now needs reinit) (1c9cc07b Azat Khuzhin) improvements: o evutil_time: improve evutil_gettimeofday on Windows (a8219143 Nick Grifka) o Support EV_CLOSED on linux for poll(2) (2530e7c6 Azat Khuzhin) o Parse IPv6 scope IDs. (f602211f Philip Homburg) o evutil_time: Implements usleep() using wait funtion on Windows (d42240d1 yuangongji) o evutil_time: detect and use _gmtime64_s()/_gmtime64() (f4a6152c yuangongji) slightly touches the behaviour: o bufferevent: allow setting priority on socket and openssl type (4dd3acdd Nicolas J. Bouliane) o Fix EV_CLOSED detection/reporting (epoll only) (1df324d4 Azat Khuzhin) (XXX) o Revert "Warn if forked from the event loop during event_reinit()" (71f5c0d3 Azat Khuzhin) samples: o https-client: load certificates from the system cert store on Windows (e9478640 yuangongji) build fixes: o Do not use sysctl.h on linux (it had been deprecated) (d2871a37 Azat Khuzhin) o cmake: avoid problems from use of CMAKE_USE_PTHREADS_INIT (a62ec765 Paul Osborne) o Update list of cmake files for autotools dist archive (2016f017 Azat Khuzhin) o LibeventConfig.cmake: restore CMAKE_FIND_LIBRARY_SUFFIXES and LIBEVENT_STATIC_LINK default (640f9cf6 Mario Emmenlauer) o cmake: fix getaddrinfo checking error (dea51c2e yuangongji) o autoconf: fix getaddrinfo checking errors on mingw (b9bf7fa7 yuangongji) o Do not use shared global structures on CYGWIN (8a9b5655 Azat Khuzhin) o Added uninstall target check to cmakelists (3f1fb1f9 Dimo Markov) o Fix compilation without OPENSSL_API_COMPAT (921bdcdd Azat Khuzhin) o cmake: improve package config file (1c047618, baec84f2 yuangongji) o Link with iphlpapi only on windows (976f7d34 Azat Khuzhin) o autotools: fails build when need but can not find openssl (93174bb5 yuangongji) o Merge branch 'http-connect' (e2424229 Azat Khuzhin) o Fix compat with NetBSD >= 10 (5febb4e1 Kamil Rytarowski) o cmake: fix getrandom() detection (e0e5f3bd Azat Khuzhin) o arc4random: replace sysctl() with getrandom (on linux) (66ec78fd Azat Khuzhin) o Upgrade autoconf (after upgrading minimum required to 2.67) (45da7d9d yuangongji) o eliminate some C4267 warnings in Windows (9e468c77 yuangongji) o autotools: attach doxygen target into all target (5d1e8570 yuangongji) o cmake: attach doxygen target into all target (7a85300a yuangongji) o Change the minimum version of automake to 1.13 and autoconf to 2.67 (fdb8fb66 ygj6) o Add Uninstall.cmake.in into dist archive (877f2355 Azat Khuzhin) Changes in version 2.1.11-stable (01 Aug 2019) This release contains one ABI breakage fix (that had been introduced in 2.1.10, and strictly speaking this release breaks ABI again to make it compatible with 2.1.9 and less, please take a look at 18104973 for more details). Apart from that it contains some bug fixes, that grouped below. And even though the return value for evbuffer_setcb() had been changed it should ABI compatible (anyway that function is in -compat.h header). There is also one patch that introduce new functionality, this is 546a366c, to tune SO_RCVBUF/SO_SNDBUF in evdns, but one can count it as a bug-fix on the application level, since before you cannot tune this settings and hence you could stumble on problems. ABI breakage: o Protect min_heap_push_ against integer overflow. (8c899768 Tobias Stoeckmann) o Revert "Protect min_heap_push_ against integer overflow." (18104973 Azat Khuzhin) functionality: o evdns: add new options -- so-rcvbuf/so-sndbuf (546a366c Azat Khuzhin) build: o Change autoconf version to 2.62 and automake version to 1.11.2 (2a333008 yuangongji) o cmake: install shared library only if it was requested (596855f7 Azat Khuzhin) o Missing on win7/MinGW(MINGW32_NT-6.1)/MSYS (9559349c yuangongji) o cmake: set library names to be the same as with autotools (305251b9 yuangongji) o Enable _GNU_SOURCE for Android (f013fc7d Keith Smiley) o Enable kqueue for APPLE targets (3aa68a82 Keith Smiley) o autotools: do not install bufferevent_ssl.h under --disable-openssl (5349a07e Azat Khuzhin) o cmake: link against shell32.lib/advapi32.lib (c9ce638c Azat Khuzhin) o Add README.md into dist archive (3660a4cc Azat Khuzhin) o cmake: add missing autotools targets (doxygen, uninstall, event_rpcgen.py) (2d65071c yuangongji) o m4/libevent_openssl.m4: fix detection of openssl (d4056e59 Fabrice Fontaine) o Fix detection of the __has_attribute() for apple clang [ci skip] (7fd7c5ef Azat Khuzhin) lib: o buffer: fix possible NULL dereference in evbuffer_setcb() on ENOMEM (598f247d Azat Khuzhin) o Warn if forked from the event loop during event_reinit() (b75922ae Azat Khuzhin) o evutil: set the have_checked_interfaces in evutil_check_interfaces() (ef498aa2, a09265ac jeremyerb) samples: o https-client: correction error checking (a8a04565 wenyg) Changes in version 2.1.10-stable (26 May 2019) This release contains mostly fixes (some evbuffer oddity, AF_UNIX handling in http server, some UB fixes and others) but also some new functionality (without ABI breakage as usual) and now dist archive can be used for building on windows (getopt had been added into it). Above you will find changelog for this particular release (but with some trivial fixes pruned out from it - to make it a little bit more informative). To view full changelog please use git: git log --format=' o %s (%h %aN)' release-2.1.9-beta...release-2.1.10-stable dist: o Add getopt into dist archive (7042ff24 Azat Khuzhin) functionality: o evdns: add DNS_OPTION_NAMESERVERS_NO_DEFAULT/EVDNS_BASE_NAMESERVERS_NO_DEFAULT (58e81106 Azat Khuzhin) o Add support for EV_TIMEOUT to event_base_active_by_fd (3f893f0a John Ohl) fixes: o Merge branch 'evbuffer-fixes-806-v2' (2fea04b3 Azat Khuzhin) o Merge branch 'issue-807-accept4-getnameinfo-AF_UNIX' (7c4da937, e2790a7f Azat Khuzhin) o kqueue: Avoid undefined behaviour. (e70e18e9 Tobias Stoeckmann) o Prevent integer overflow in kq_build_changes_list. (43a55a23 Tobias Stoeckmann) o evdns: fix lock/unlock mismatch in evdns_close_server_port() (54103883 zhuizhuhaomeng) o Merge remote-tracking branch 'official/pr/804' -- Enforce limit of NSIG signals (87fa93a8 Tobias Stoeckmann) o Protect min_heap_push_ against integer overflow. (0b46bb8c Tobias Stoeckmann) o le-proxy: initiate use of the Winsock DLL (2a1e1530 linxiaohui) o Fix leaks in error path of the bufferevent_init_common_() (bb0f8fe7 Azat Khuzhin) o buffer: make evbuffer_prepend() of zero-length array no-op (61fa7b7d Azat Khuzhin) o Merge branch 'evbuffer-empty-chain-handling' (6a3dd717 Azat Khuzhin) o Don't loose top error in SSL (3d1a7a1d Yury Korzhetsky) o Remove needless check for arc4_seeded_ok (6602a97d Seong-Joong Kim) o Merge pull request #769 from sungjungk/fix-return-handling (91084140 Nathan French) build: o Define `_GNU_SOURCE` properly/consistently per autoconf (00ba9fa2 Enji Cooper) o signal: guard __cdecl definition with #ifdef (d89045a6 Azat Khuzhin) o Link test/regress with event_core/event_extra over event (22380996 Azat Khuzhin) tests: o Use kill() over raise() for raising the signal (fixes osx 10.14 with kqueue) (3db5296b, a45f6733 Azat Khuzhin) o tinytest: implement per-test timeout (via alarm() under !win32 only) (b64dbfb6, 75d7e1ff Azat Khuzhin) Changes in version 2.1.9-beta (10 February 2019) This changelog will differs from other releases in the next few clauses: - contains only highlighted changes (so now it will not contains a lot of patches that fixes some stuff in regression tests, typos, leaks fixes in samples and so forth) - no authors (since merge commits breaks them anyway, but AUTHORS sections in README will be kept up to date) - group name trimmed from commit subjects trimmed - it's been 2 years since the previoius release, so it is pretty huge And I think that this is more useful, so from now on it will always has the same look (until there will too many objections of course). To view full changelog please use git: git log --format=' o %s (%h %aN)' release-2.1.8-stable...release-2.1.9-beta dist archive: o Add cmake rules into dist archive (bf3a67cf) o Add missing print-winsock-errors.c into dist archive (822d6462) o Include openssl-compat.h into dist archive (08658136) core: o Merge branch 'check-O_NONBLOCK-in-debug' (a39898f3, a8155c62) o Merge branch 'event-ET-#636-v2' (ca4b6404) o Fix visibility issues under (mostly on win32) (349081e1g, 802be13ag, a1f28e2f) o Define __EXT_POSIX2 for QNX (a2176f2c) o Cleanup __func__ detection (b3af7bdd) o Add convenience macros for user-triggered events (06ec5de6) o Notify event base if there are no more events, so it can exit without delay (d9d1c09e) o Fix base unlocking in event_del() if event_base_set() runned in another thread (4f0f40e3) o If precise_time is false, we should not set EVENT_BASE_FLAG_PRECISE_TIMER (27dee54d) o Fix race in access to ev_res from event loop with event_active() (43d92a6d) o Return from event_del() after the last event callback termination (876c7ac7) http: o Merge branch 'http-EVHTTP_CON_READ_ON_WRITE_ERROR-fixes-v2' (eb7b472b) o Preserve socket error from listen across closesocket cleanup (2ccd00a6) o fix connection retries when there more then one request for connection (d30e7bba) o improve error path for bufferevent_{setfd,enable,disable}() (a8cc449e) o Fix conceivable UAF of the bufferevent in evhttp_connection_free() (6ac2ec25) o Merge branch 'http-request-line-parsing' (cdcfbafe) o Fix evhttp_connection_get_addr() fox incomming http connections (4215c003) o fix leaks in evhttp_uriencode() (123362e9) o CONNECT method only takes an authority (7d1ffe64) o Allow bodies for GET/DELETE/OPTIONS/CONNECT (23eb38b9) o Do not crash when evhttp_send_reply_start() is called after a timeout. (826f1134) o Fix crashing http server when callback do not reply in place (5b40744d, b2581380) o fix handling of close_notify (ssl) in http with openssl bufferevents (7e91622b) evrpc: o use *_new_with_arg() to match function prototype (a95cc9e3) o avoid NULL dereference on request is not EVHTTP_REQ_POST (e05136c7) regression tests: o Merge branch 'TT_RETRIABLE' (6ea1ec68, f9b592aa) bufferevent: o Merge branch 'iocp-fixes' (6bfac964) o Merge branch 'be-wm-overrun-v2' (3f692fff) o bufferevent_socket_connect{,_hostname}() missing event callback and use ret code (1dde74ef) o don't fail be_null_filter if bytes are copied (b92b0792) o Call underlying bev ctrl GET_FD on filtered bufferevents (ebfac517) bufferevent_openssl/openssl: o Merge branch 'ssl_bufferevent_wm_filter-fix' (30020a35) o be_openssl: avoid leaking of SSL structure (e86ccfe5) o Fix build with LibreSSL 2.7 (894ca48a) o Add missing includes into openssl-compat.h (01bc36c1) o Explicitly call SSL_clear when reseting the fd. (29b7a516) o Unbreak build with LibreSSL after openssl 1.1 support added (230af9f0) samples: o Merge branch 'sample-http-server' (b6309bcc) o sample/https-client: use host SSL certificate store by default (5c0132f3) listener: o ipv6only socket bind support (ba148796) o Merge branch 'listener-immediate-close' (df2ed13f) o Merge branch 'evconnlistener-do-not-close-client-fd' (42e851bb) evdns: o evdns: handle NULL filename explicitly (0033f5cc) o Merge branch 'evdns_getaddrinfo-race-fix' (3237d697) o Generating evdns_base_config_windows_nameservers docs on all platforms (3bd2ce43) utils: o Merge branch 'evutil_found_ifaddr-dev' (b07e43e6) o Avoid possible SEGVs in select() (in unit tests) (8818c86c) o Port `event_rpcgen.py` and `test/check-dumpevents.py` to Python 3. (532a8cc3) buffer: o Fix assert() condition in evbuffer_drain() for IOCP (d6326104) o fix incorrect unlock of the buffer mutex (for deferred callbacks) (2b4d127d) o Fix wrong assert in evbuffer_drain() (9f4d0dce) cmake: o fix checking of devpoll backend (like in autotools, by devpoll.h existence) (7f161902) o support static runtime (MSVC) (c8b3ec17, 61fb055a) o do not build both (SHARED and STATIC) for MSVC/win32 (bc7f2fd9) o introduce EVENT__LIBRARY_TYPE option (eb10a738) o ensure windows dll's are installed as well as lib files (29590718) o Fix generation of LibeventConfig.cmake for the installation tree (7fa08c4b) o fix pkgconfig generation (copy-paste typo) (cc554d87) o Merge branch 'cmake-missing-bits' (9806b126) o Fix detection of timerfd_create() in CMake. (e50af331) o Merge branch 'cmake-configure-fixes-v2' (a0bfe2c4) o Do not add epoll_sub (syscall wrappers) for epoll in cmake (cea61de6) o Fix RPATH for APPLE (45b1f379) autotools: o include win32 specific headers for socklen_t detection on win32/mingw (d7579fb9) o Ignore evconfig-private.h for autotools (37423849) o config.h can't be prefixed unconditionally (63a054f8) o Merge branch 'pull-628' (7e56c8b2) o Provide Makefile variables LIBEVENT_{CFLAGS,CPPFLAGS,LDFLAGS} (2f060c5f) o confirm openssl is working before using (b39ccf8e) o pass $(OPENSSL_INCS) for samples (FTBFS macOS) (c2495265) o Add configure check for midipix (d433201e) o Fix tests with detached builds (c46ff439) build: o Fix arc4random_addrandom() detecting and fallback (regression) (303d6d77) o Merge branch 'win32-fixes' (ebd12e6d) o Merge branch 'fix-openssl-linking' (e7bd9e03) o Merge branch 'fix-struct-linger' (8567f2f5) CI: o travis-ci/appveyor now uses fast_finish+allow_failures (5e97b6e6, dd472e7d, dfb5fc167) o Merge branch 'travis-ci-osx-fixes' (9f02b39c) o Merge branch 'win64-fixes' (aee0fcd5) Changes in version 2.1.8-stable (22 January 2017) Libevent 2.1.8-stable, it contains openssl fixes for resetting fd and using bufferevent_openssl_filter_new(). vagrant fixes, some build fixes, increased timeout for some tests (to reduce number of failures due to timing issues), date in RFC1123 format and running tests in parallel. There are highlighted changes above. Build fixes: o Fix _FILE_OFFSET_BITS redinition (solaris/autotools) (336f3b11 Azat Khuzhin) o util-internal: fix __func__ redefinition (netbsd) (253e7fa9 Azat Khuzhin) o Fix signedness differ for iov_base (solaris) (2c62062e Azat Khuzhin) o evutil_time: include when there is only sleep()/usleep() (3e75194c Azat Khuzhin) o http: fix formatter for pritnf for req->ntoread (osx) (1cbf26f6 Azat Khuzhin) Testing environment: o Merge branch 'automake-tests-parallel-v4' (*includes ci bits also*) (59e217df Azat Khuzhin) Vagrant env fixes: o vagrant/netbsd: missing libtool (9c9be399 Azat Khuzhin) o vagrant/netbsd: more reliable way of installing packages (36da6877 Azat Khuzhin) o vagrant/osx: use make instead of gmake (there is no gmake) (f7c70aef Azat Khuzhin) o vagrant: add centos box (ca591c5b Azat Khuzhin) Tests: o test/dns: replace servname since solaris does not have "http" (d6bafbbe Azat Khuzhin) o test/thread: netbsd is too slow, increase timeout for conditions_simple (3c7422fc Azat Khuzhin) o test/dns: run async resolving after sync one (to avoid timeouts) (07862531 Azat Khuzhin) o test/http: turn off some tests that based on backlog filling (falky) (26f416c1 Azat Khuzhin) Bugfixes: o Merge branch 'openssl-filter-fixes-v4' (83e0f43b Azat Khuzhin) o Merge branch 'date-rfc1123' (68def435,4798de6c,4545807d Azat Khuzhin) o Merge branch 'be-openssl-fd-reset-fix-v2' (86fa0070,32adf434 Azat Khuzhin) o Merge branch 'openssl-1.1-init-fixes-v2' (18a161f0 Azat Khuzhin) o Fix incorrect MIME type (23f9a20e johnsonlee) Trivial fixes: Documentation updates: o Update README.md (3821cca1 Breaker) Changes in version 2.1.7-rc (2 Novemer 2016) Libevent 2.1.7-rc contains openssl 1.1 support, build fixes, CI improvements and plus Vagrantfile for testing under multiple OS'es. Continious Integration: o Use coveralls.io via travis (9ac000c Azat Khuzhin) o travis-ci: use container-based infrastructure (7e12e96 Azat Khuzhin) o travis-ci/osx: fix compiling/linking openssl libraries (9d2f8d4 Azat Khuzhin) o travis-ci: use gcc-5 (fixes osx|gcc failures) (d7ceae5 Azat Khuzhin) o Testing with vagrant for 6 OS and cmake+autoconf (9585338 Azat Khuzhin) o travis-ci/osx: install lcov (e4e099b Azat Khuzhin) Build Improvements/Fixes: o Fix cmake -DEVENT__COVERAGE=ON (40fbffc Azat Khuzhin) o autogen.sh: learn about gmake (9376ac4 Azat Khuzhin) o autogen.sh: remove all autoconf/automake caches, if any (69cce25 Azat Khuzhin) o cmake: fix finding python2, and check that it is really 2 (3453c08 Azat Khuzhin) o cmake: fix CheckFunctionExistsEx/CheckPrototypeDefinition (CMP0054) (43b69b2 Azat Khuzhin) o cmake: cleanup (dc624ad Zonr Chang) o cmake/win32: fix running regress, but fixing finding python2 interpreter (bcb990a Azat Khuzhin) o cmake: use PYTHON_EXECUTABLE to find python2 (a4d044c Azat Khuzhin) o Merge branch 'force-disable-clockgettime' (83c7cdf Azat Khuzhin) Code Improvements (core) o use ev_uint16_t instead of unsigned short for port (e983712 Thomas Bernard) o Merge branch 'contrib-guide-v2' (b9c5077 Azat Khuzhin) o poll: Prevent libevent from spinning if POLLNVAL occurs (675974c Tim Hentenaar) Testing: o test/regress: cover a polling of invalid fd (cb0df5c Tim Hentenaar) Code Improvements (bufferevent_openssl) o Make it build using OpenSSL 1.1.0 (3e9e0a0 Kurt Roeckx) o Don't call BIO_number_{read|written} on NULL BIOs. (6702da1 Adam Langley) o Switch from a 512 to 2048-bit RSA key. (f9803a6 Adam Langley) Trivial fixes: o Ignore temporary configure files (8fb08ae Azat Khuzhin) o README.md: fix typo: ar -> are (2361616 Simone Basso) o be: just a simple mistake, reinclude the (7521664 Seven) Changes in version 2.1.6-beta (4 July 2016) Libevent 2.1.6-beta contains mostly bug fixes (evbuffers, evthread, evdns, bufferevents, core, http, samples), improvements but mostly to fix some possible issues (EVHTTP_CON_LINGERING_CLOSE), a lot of new unit tests and new appveyor integration. Security Fixes (utils) o evutil_parse_sockaddr_port(): fix buffer overflow (329acc1 Azat Khuzhin) Security Fixes (evdns) o evdns: name_parse(): fix remote stack overread (96f64a0 Azat Khuzhin) o evdns: fix searching empty hostnames (ec65c42 Azat Khuzhin) New APIs (evdns) o New function to get address for nameserver. (537177d Nick Mathewson) New APIs (bufferevents) o expose bufferevent_incref/decref (with fewer modifications) (1ed6718 Mark Ellzey) New APIs (internal) o evdns: export cancel via callbacks in util (like async lib core/extra issues) (8cbe65d Azat Khuzhin) New APIs/Improvements (http) o http: take EVHTTP_CON_LINGERING_CLOSE into account for "Expect: 100-Continue" (ac448a7 Azat Khuzhin) o http: lingering close (like nginx have) for entity-too-large (9fde518 Azat Khuzhin) o http: read server response even after server closed the connection (680742e Azat Khuzhin) o http: export evhttp_connection_set_family() (714fc70 Azat Khuzhin) o http: reuse connected address only with EVHTTP_CON_REUSE_CONNECTED_ADDR (a50f5f0 Azat Khuzhin) o http: use IP address that we got before (if any) during retrying (54c887d Azat Khuzhin) Bugfixes (core) o Fix getaddrinfo under solaris (for multiprotocol case) (40730ae Azat Khuzhin) o Check for Mac OS X 10.4 kqueue bug properly (df6f99e Mark Mentovai) o event_reinit: make signals works after fork() without evsig_add() (88640aa Nicholas Marriott) o event_reinit: always re-init signal's socketpair (ad0c237 Nicholas Marriott) o Free event queues even for recursive finalizers (7c8d015 Azat Khuzhin) o Fix checking for make_base_notifiable() (f337296 Azat Khuzhin) o Set correct socklen for PF_INET6 sockaddr len (3499ad9 Mark Ellzey) o Fix garbage value in socketpair util function, stdint? (043ae74 Mark Ellzey) o fix the return value of event_deferred_cb_schedule_ (38cef64 Greg Hazel) o event_free_debug_globals_locks(): disable lock debugging (e5c87d1 Azat Khuzhin) o event: call event_disable_debug_mode() in libevent_global_shutdown() (941faae Azat Khuzhin) o ht-internal: don't reset hth_table_length explicitly in name_##HT_CLEAR (597c7b2 Azat Khuzhin) Bugfixes (evthread) o evthread: fix evthread_setup_global_lock_() for debug-lock with a real-lock case (e4556fc Azat Khuzhin) o evthread: evthreadimpl_disable_lock_debugging_() for libevent_global_shutdown() (ccc5593 Azat Khuzhin) Bugfixes (evdns) o evdns: avoid double-free in evdns_base_free() for probing requests (4db15e0 Azat Khuzhin) o evdns: evdns_base_free(): fix UAF of evdns_base with @fail_requests (00313c5 Azat Khuzhin) o evdns: evdns_base_free(): free requests before namservers (14f84bb Azat Khuzhin) o evdns: fix randomize-case by make case-insensitive as required (9c238de Azat Khuzhin) Bugfixes (bufferevents) o be_sock: handle readv() returns ECONNREFUSED (freebsd 9.2) (3189eb0 Azat Khuzhin) o be_filter: avoid data stuck under active watermarks (b627ad8 Eduardo Panisset) o Fix bufferevent_pair to properly set BEV_EVENT_{READING,WRITING} on flush. (2851889 David Paschich) o be_openssl: clear all pending errors before SSL_*() calls (38e0f4a Azat Khuzhin) o be_sock: cancel in-progress dns requests (86dfd2c Azat Khuzhin) o be_sock: unfreeze buffers on fd changing (255525d Azat Khuzhin) o be_sock: bufferevent_socket_connect_hostname(): make it thread-safe (809bb39 Azat Khuzhin) o be_openssl: don't call do_write() directly from outbuf_cb (da52933 Azat Khuzhin) o be_openssl: use bufferevent_enable() instead of bufferevent_add_event_() (0c66d32 Azat Khuzhin) o be_openssl: don't add events during bev creation (like be_sock) (f4b6284 Azat Khuzhin) o Fix lock leak in be_pair_flush() if flush type is BEV_NORMAL (f45d39d Bill Vaughan) o be_openssl: don't use *_auto() in do_handshake() we can't have fd == -1 there (877280d Azat Khuzhin) o be_openssl: don't call set_open_callbacks() if fd == -1 (e8a2da9 Azat Khuzhin) o be_openssl: get rid off hackish "fd_is_set", to fix some corner cases (40b0379 Azat Khuzhin) o be: we don't need to use getpeername() we we have conn_address (2c271e2 Azat Khuzhin) o Call underlying bev ctrl SET_FD on filtered bufferevents (c2aa7dc Mark Ellzey) o be_pair: release shared lock with the latest of bufferevent_pair (92a359e Azat Khuzhin) Bugfixes (http) o [Issue #313] set method to ASCII "NULL" if evhttp_method() returns NULL (17cc636 Mark Ellzey) o evhttp_have_expect(): fix -Wlogical-not-parentheses (24b5214 Azat Khuzhin) o http: set fd to -1 unconditioally, to avoid leaking of DNS requests (7a4b472 Azat Khuzhin) o http: avoid leaking of fd in evhttp_connection_free() (f0e1341 Azat Khuzhin) o http: get fd from be layer during connection reset (4a53c54 Azat Khuzhin) o http: fix EVHTTP_CON_READ_ON_WRITE_ERROR when it doesn't supported by OS (2ff164a Azat Khuzhin) o http: do not do function calls under EVUTIL_ASSERT() to fix NDEBUG builds (7c89999 Azat Khuzhin) o http: fix leaking of response_code_line (8f18a62 Azat Khuzhin) o http: fix "Expect: 100-continue" client side (0b46b39 Azat Khuzhin) o http: fix conflicts EVHTTP_CON_AUTOFREE and EVHTTP_CON_REUSE_CONNECTED_ADDR (4dc0979 Azat Khuzhin) o http: avoid epoll_ctl() on already closed fd (triggers by http/chunk_out) (ab3bc69 Azat Khuzhin) o http: install timeout for read too during connect for ssl (040000d Azat Khuzhin) o http: fix evhttp_request_own() by checking EVHTTP_USER_OWNED in more cases (b0d3964 Azat Khuzhin) o http: fix detecting EOF without write (7ed02ac Azat Khuzhin) o evhttp: Fix failure to send all output data for POST/PUT requests (24eea0d John Ohl) o Fix evhttp_uriencode() regression. (c6b1ec1 Mark Ellzey) o removed unused vars (e94250c Mark Ellzey) o pointer overflow checks for evhttp_uriencode (72afe4c Zonr Chang) Bugfixes (evbuffers) o buffer: fix overflow check in evbuffer_expand_singlechain() (a3f4ccd Azat Khuzhin) o buffer: evbuffer_add_buffer(): clean empty chains from destination buffer (26fd932 Azat Khuzhin) o Fix n_add_for_cb in evbuffer_prepend() in case of new buffer required (0abd039 Azat Khuzhin) o be_filter: actually disable output_filter during processing output (c031215 Simon Perreault) o evbuffer_add: Use last_with_datap if set, not last. (a8769ef Marcus Sundberg) o EVBUFFER_PTR_SET -> EVBUFFER_PTR_ADD (8674e4f jer-gentoo) Bugfixes (evconnlistener) o listener: unlock lev on error in listener_read_cb() (2a71b33 Azat Khuzhin) o Fix potential fd leak in listener_read_cb() (a695a72 Mark Ellzey) Testing o tests: use waitpid(..., WNOWAIT) to fix failing of main/fork under solaris (43eb56c Azat Khuzhin) o test: replace sleeping with syncing pair in main/fork (16d220c Azat Khuzhin) o test/http: do not run tests that based on backlog filling (freebsd) (500b6b7 Azat Khuzhin) o test/bufferevent/iocp: fix test name for "bufferevent_connect_fail_eventcb" (4410e9d Azat Khuzhin) o test/ssl: use send()/recv()/EVUTIL_ERR_RW_RETRIABLE()/EVUTIL_SOCKET_ERROR() to fix win32 (a9e8cd6 Azat Khuzhin) o test/https_basic: increase timeout for complete write (fixes win32) (d5a2f2f Azat Khuzhin) o test: fix building with --disable-thread-support under win32 (a487706 Azat Khuzhin) o test/buffer: evbuffer_add_buffer() with empty chains (a272bc4 Azat Khuzhin) o test/buffer: evbuffer_remove_buffer() with empty chains (prepend) (f0cfa14 Azat Khuzhin) o test/buffer: evbuffer_remove_buffer() with empty chains (evbuffer_add_buffer()) (2880ce6 Azat Khuzhin) o test/buffer: cover evbuffer_expand() for overflow (48dab7a Azat Khuzhin) o test/be_filter: creating test case for data stuck with active watermarks (766194b Eduardo Panisset) o test/http: avoid using conditionals with omitted operands (fixes VS2015) (2a4bf29 Azat Khuzhin) o test/http: don't mix declarations and code (fixes -Wdeclaration-after-statement) (aabf1c2 Azat Khuzhin) o test/buffer: fix leak in test_evbuffer_prepend() (c08d90b Azat Khuzhin) o test/buffer: avoid errors with --no-fork (reinitialize static vars) (e7d1e39 Azat Khuzhin) o test/buffer: cover n_add_for_cb when evbuffer_prepend() need to allocate buffer (e77ff41 Azat Khuzhin) o test/tinytest_macros: add new one tt_nstr_op() (bd19a28 Azat Khuzhin) o test/bufferevent: check that output_filter disabled during processing output (ae28812 Azat Khuzhin) o test/listener: regression for missing unlock in listener_read_cb() (7d85651 Azat Khuzhin) o test/regress: add tests for evbuffer_add() breakage on empty last chain (d5ee739 Marcus Sundberg) o test/http: fix running some tests sequential (with --no-fork) (bddad71 Azat Khuzhin) o test/http: localize evhttp server structure (cbc3209 Azat Khuzhin) o test/dns: regression for empty hostname (d7348ba Azat Khuzhin) o test/http: fix SERVER_TIMEOUT tests under win32 (d49a658 Azat Khuzhin) o test/http: add a helper for creating timedout/failed request (376f107 Azat Khuzhin) o test/http: adopt for C90 (mixed code and declarations) (d02a285 Azat Khuzhin) o test/http: cover NS timed out during request cancellations separatelly (0c343af Azat Khuzhin) o test/http: request cancellation with resolving/{conn,write}-timeouts in progress (334340d Azat Khuzhin) o test/http: exit from the loop in the errorcb to wait cancellation (927ab33 Azat Khuzhin) o regress_clean_dnsserver(): reset global port vars (351207f Azat Khuzhin) o test/http: read_on_write_error: fix it for win32 (3b58169 Azat Khuzhin) o test/http: separate coverage for EVHTTP_CON_READ_ON_WRITE_ERROR (5c2b4c1 Azat Khuzhin) o test/http: cover "Expect: 100-continue" client-server interaction (31d8116 Azat Khuzhin) o test/http: *lingering tests shouldn't have "Expect: 100-continue" (ed469ab Azat Khuzhin) o test: use EVUTIL_SHUT_WR (04fc82f Azat Khuzhin) o test/http: avoid huge stack allocations to fix win32 builds (3166765 Azat Khuzhin) o test: http/lingering_close: cover EVHTTP_SERVER_LINGERING_CLOSE (e122ca1 Azat Khuzhin) o test: http/non_lingering_close: cover ~EVHTTP_SERVER_LINGERING_CLOSE (f41e1b0 Azat Khuzhin) o test: http/*: update expected HTTP codes for body exceeds `max_body_size` (addf2b9 Azat Khuzhin) o test: http/data_length_constrains: set EVHTTP_CON_READ_ON_WRITE_ERROR (d38a723 Azat Khuzhin) o test: increase buffer size for http/data_length_constraints to trigger EPIPE (0792e1e Azat Khuzhin) o test/tinytest_demo: include for win32 to fix tdm-gcc (f062bbe Azat Khuzhin) o test/regress: cover event_del() waiting mechanism (5b58b70 Azat Khuzhin) o test/regress: cover existing signal callbacks and fork() + event_reinit() (ceddc60 Azat Khuzhin) o test/regress: cover signals after fork() + event_reinit() (b075b81 Azat Khuzhin) o test/regress: main/fork: rewrite assertions by just removing event in callback (088d8b3 Azat Khuzhin) o test/dns: check exit code of evdns_getaddrinfo() (0b9d432 Azat Khuzhin) o test/dns: cover evdns_getaddrinfo() and evdns_base_free() with @fail_requests (4ad3483 Azat Khuzhin) o test/dns: cover @fail_requests for evdns_base_free() (d6c6fb4 Azat Khuzhin) o test/dns: more graceful coverage of @fail_requests (123d372 Azat Khuzhin) o test/ssl: cover busy-loop (i.e. {read,write}-blocked-on-{write,read} stuff) (da0ea7a Azat Khuzhin) o test/http: write_during_read for https (23c77b6 Azat Khuzhin) o test/http: connection_fail for https (7ea26f7 Azat Khuzhin) o test/http: stream_out for https (ac04968 Azat Khuzhin) o test/http: chunk_out for https (a71ffb9 Azat Khuzhin) o test/regress: fix ssl-less builds (need to make this prettier) (3160716 Azat Khuzhin) o test/http: allow dirty shutdown for ssl to fix https_incomplete (1ede326 Azat Khuzhin) o test/http: https basic (59714b4 Azat Khuzhin) o test/http: incomplete{,_timeout} for https (615490d Azat Khuzhin) o test/http: add simplest test for http/https/https_dirty_shutdown (93b19dc Azat Khuzhin) o test/http: https: retry coverage (7c2d24a Azat Khuzhin) o test/http: https server support (plus some helpers) (a7088ad Azat Khuzhin) o test/http: more sanity checks (a27c53c Azat Khuzhin) o test/ssl: export getkey()/getcert()/get_ssl_ctx()/init_ssl() for https (0c4c387 Azat Khuzhin) o test/regress_be: basic coverage bufferevent_flush() for pair/sock layers (ad52602 Azat Khuzhin) o test/regress_be: socket_filter_inactive: check bufferevent after creation (f8081af Azat Khuzhin) o test/regress_be: cover finalizers from inactive to active queue (337684b Azat Khuzhin) o test/regress_buffer: fix clang compilation warnings (d8fd4c0 Azat Khuzhin) o test/regress_http: fix compilation warnings (-Wmissing-field-initializers) (cd422e0 Azat Khuzhin) o test/regress_dns: fix compilation warnings (-Wmissing-field-initializers/for) (f55db98 Azat Khuzhin) o tests/regress_dns: cover that randomize-case works case-insensitive (1e8bfbc Azat Khuzhin) o test: fix bufferevent/bufferevent_pair_release_lock in debug mode (3f749e9 Azat Khuzhin) o test: fix bufferevent/bufferevent_pair_release_lock for freebsd (79f9ace Azat Khuzhin) o test/regress_be: bufferevent_enable() shouldn't call eventcb by it's own (a0f308d Azat Khuzhin) o test/regress_be: introduce fake_listener_create() (37dc9e0 Azat Khuzhin) o test/regress_http: cover evhttp_request_own() (6f6fa0d Azat Khuzhin) o test/regress_http: cover write during read (3d15aeb Azat Khuzhin) o test/regress_http: verify that closecb will be called without multiple write (4be6c70 Azat Khuzhin) o test/regress: fix bufferevent_pair_release_lock with EVENT_DEBUG_MODE (6ea6655 Azat Khuzhin) o test/regress_ssl: check events fd/pending after timeout triggered (cdafdf0 Azat Khuzhin) o test/regress_ssl: cover case when server didn't up (failed with timeout) (74845f1 Azat Khuzhin) o test/regress_ssl: covert that we can't change fd with underlying (df507af Azat Khuzhin) o test/regress_ssl: cover that events (read/write) at finish not pending (762edb4 Azat Khuzhin) o test/regress_ssl: cover fd manipulations (b78a829 Azat Khuzhin) o test/regress_ssl: convert open_ssl_bufevs() to mask (46bba73 Azat Khuzhin) o test/regress_ssl: convert client/server to mask too (3455991 Azat Khuzhin) o test/regress_ssl: cover "allow_dirty_shutdown" (0430327 Azat Khuzhin) o test/regress_ssl: convert regress_bufferevent_openssl() to bitmask (342e116 Azat Khuzhin) o tests/regress_ssl: drop duplicated assert (25e56fd Azat Khuzhin) o test/regress_http: initialize "dns_base" to avoid reading trash (9f0bff3 Azat Khuzhin) o test/http: cover retrying with saved conn_address by shutting down dns server (f4874d8 Azat Khuzhin) o be_pair/regress: cover use of shared lock (lock/unlock/free) (a558fcd Azat Khuzhin) o regress_dns: drop hack for event_debug_map_HT_GROW in leak tests (3540a19 Azat Khuzhin) Sample code o Fix memory leak in signal-test.c (666db91 basavesh.as) o sample/hello-world: exAmple, not eXMple (2d3cd35 kirillDanshin) o dns-example: allow to set ns from args (df19a97 Azat Khuzhin) o dns-example: convert to getopt() (32f8592 Azat Khuzhin) o http-connect: make it win32 compilable (1bf7595 Azat Khuzhin) o sample/https-client: allow to change path to ca-certificates (fdf713a Azat Khuzhin) o sample/https-client: check for ERR_remove_thread_state() existence (c4e9d9b Azat Khuzhin) o sample/https-client: replace ERR_remove_state() by ERR_remove_thread_state() (77ad68a Azat Khuzhin) o sample/https-client: add -timeout option (4637aa8 Azat Khuzhin) o sample/https-client: don't try to free uninitialized SSL (f3d7ff5 Azat Khuzhin) o sample/https-client: graceful exit with freeing memory (to make valgrind happy) (24a1f25 Azat Khuzhin) o https-client: correctly handle URLs with no path (like "https://host:port") (29a0482 Andrey Skriabin) o sample/http-connect: don't use assert() to make it work with NDEBUG (6dc71e7 Azat Khuzhin) o sample/http-connect: made it compatible with C90 (f976d43 Azat Khuzhin) o sample: add HTTP CONNECT tunnelling example using libevent http layer (1d34498 Azat Khuzhin) o Update dns-example. (620ff24 Mark Ellzey) Documentation o Update README.md (b8ec70c Mark Ellzey) o Update README.md (80faee9 Mark Ellzey) o Update README.md (ad4a897 Mark Ellzey) o Update README.md (a2b2e1e Mark Ellzey) o Update README.md (0dfa5dc Mark Ellzey) Code Improvements (evthread) o evthread: add evthread_get_{lock,condition}_callbacks() helpers (c0b34f6 Azat Khuzhin) Code Improvements (core) o util: make @sa const for evutil_socket_connect_() (a8d32c2 Azat Khuzhin) Code Improvements (http) o http: assert's that evbuffer_drain() success on connection reset (2185e63 Azat Khuzhin) o http: introduce evhttp_request_free_() helper (22061ac Azat Khuzhin) o http: introduce evhttp_is_request_connection_close() helper (6540da3 Azat Khuzhin) Code Improvements (bufferevents) o be_sock: bufferevent_socket_set_conn_address(): assert instead of silent no-op (0ab88c2 Azat Khuzhin) o be_sock: sanity check in bufferevent_socket_set_conn_address() (eedbeff Azat Khuzhin) o be: replace sockaddr_storage with sockaddr_in6 for conn_address (3889612 Azat Khuzhin) o be: replace conn_address by full struct instead of pointer (e5615aa Azat Khuzhin) o bufferevent: move conn_address out from http into bufferevent (8bb3842 Azat Khuzhin) o be: make @sa const for bufferevent_socket_connect() (dc33c78 Azat Khuzhin) Cleanups (core) o Refactoring conditional directives that break parts of statements. (4b41eeb lzmths) o epoll: introduce PRINT_CHANGES() macro to avoid copy-pasting (a1b142b Azat Khuzhin) o tab (6e7a580 Greg Hazel) Cleanups (evbuffers) o buffer_compat: fix comment -- we have EVBUFFER_EOL_ANY not EOL_STYLE_ANY (575ff67 Azat Khuzhin) Cleanups (bufferevents) o be_sock: evutil_getaddrinfo_async_() always return 0 (dbff101 Azat Khuzhin) o be_sock: drop be_sock_add() macro (useless and debug unfriendly) (fad5fe2 Azat Khuzhin) o be: introduce bufferevent_generic_adj_existing_timeouts_() (3c1f58f Azat Khuzhin) o be: add_event: use evutil_timerisset() (a96b73b Azat Khuzhin) o be_openssl: introduce be_openssl_auto_fd() helper (2a8a711 Azat Khuzhin) o be_openssl: introduce set_open_callbacks_auto() (510da71 Azat Khuzhin) Cleanups (http) o http: make fallback for EVHTTP_CON_READ_ON_WRITE_ERROR more cleaner (d405492 Azat Khuzhin) o http: coding style issue (365f181 Azat Khuzhin) Cleanups (evdns) o evnds: inline TEST_NAME macro to make debuggin easier (0c615f4 Azat Khuzhin) Portability Fixes o [#372] check for errno.h (3031617 Mark Ellzey) o Fixed Unicode issue in error messages. (e8b7895 Mattes D) o Assume that ke_udata is an integer type on CloudABI. (5602e45 Ed Schouten) o Add missing include of . (b2c68bc Ed Schouten) o Include , and optionally. (c1404b5 Ed Schouten) o Test against SO_REUSEADDR (along with _WIN32). (ce1776c Ed Schouten) o Always define missing TAILQ functions from sys/queue.h (2828bdb Christopher Wiley) o Don't use BSD u_* types. (fd36647 Ed Schouten) o Remove BSD-ism: TIMEVAL_TO_TIMESPEC(). (193c7de Ed Schouten) o be: include all variations of headers for sockaddr_in6 struct (c212291 Azat Khuzhin) o be: fix sockaddr_in6 type definition for win32 (c42bc6b Azat Khuzhin) Continious Integration: o travis: split long lines, and make it cleaner (685a6a1 Azat Khuzhin) o travis: fix autotools on osx by reinstalling libtool (088ea5e Azat Khuzhin) o appveyor/autotools: link with openssl by passing LDFLAGS/CFLAGS (6fcfa25 Azat Khuzhin) o appveyor: image already had openssl installed (4634b85 Azat Khuzhin) o appveyor: check -DUNICODE -D_UNICODE according to ReleaseChecklist (cmake only) (e9acc44 Azat Khuzhin) o appveyor: ignore failure of mingw-get (1810857 Azat Khuzhin) o appveyor: drop shallow_clone, since we use tags for detecting version in cmake (ac90133 Azat Khuzhin) o appveyor: support cmake & autotools using build matrix (like travis-ci has) (8f95015 Azat Khuzhin) o travis-ci/osx: relink gcc/g++ instead of clang (481481d Azat Khuzhin) o travis-ci: enable multi-os mode (osx, linux) (79917e4 Azat Khuzhin) o travis-ci: increase matrix (--disable-foo) (59649f7 Azat Khuzhin) o travis-ci: adjust alignment (c8be339 Azat Khuzhin) o travis: add builds without debug mode into matrix (3e56da2 Azat Khuzhin) o test: run regress with EVENT_DEBUG_MODE=1 and without (cf2cf2a Azat Khuzhin) o Update travis config for status updates (37453ab Mark Ellzey) o Use autotools for appveyor until cmake is fixed. (1cc2e29 Mark Ellzey) o Fix the link for appveyor OpenSSL installer (WIN32) (107d565 Mark Ellzey) o Forgot to install OpenSSL for appveyor (26164a5 Joakim Söderberg) o Add support for appveyor.com windows CI (5f89c37 Joakim Söderberg) Build Improvements/Fixes: o evutil: mark ai_find_protocol() static (prototype-less) (5a157c8 Azat Khuzhin) o cmake/solaris: set CMAKE_REQUIRED_LIBRARIES to fix functions detections (dc95823 Azat Khuzhin) o cmake/solaris: fix building (link with socket,nsl) (050bfc7 Azat Khuzhin) o cmake: check for ZLIB_INCLUDE_DIR, since we can have only library without headers (c4dfb93 Azat Khuzhin) o autotools/win32: fix searching ssl library (671a24f Azat Khuzhin) o cmake/win32: do not compile regress_thread on -DEVENT__DISABLE_THREAD_SUPPORT=ON (de0c196 Azat Khuzhin) o cmake/win32: do not compile evthread_win32 on -DEVENT__DISABLE_THREAD_SUPPORT=ON (ecb0ec8 Azat Khuzhin) o cmake: fix -DEVENT__ENABLE_VERBOSE_DEBUG (typo on -DUSE_DEBUG) (e35f224 Azat Khuzhin) o cmake: do not use stderr for notifications/version-info (38716c6 Azat Khuzhin) o autoconf: fix --disable-thread-support build under win32 (bb09535 Azat Khuzhin) o buffer: don't mix code and declarations (8892f4c Azat Khuzhin) o Update gitignore file to ignore cscope gen'ed files (0aaa4fb Neeraj Badlani) o For non GCC/clang on OSX the -Wno-deprecated-declarations may not be valid (b5ca365 Rainer Keller) o automake: define serial-tests only if automake have this option (61179de Azat Khuzhin) o test/automake: don't use paralell test harness (since automake 1.12) (44d755e Azat Khuzhin) o Ignore all pkgconfig generated stuff (ce38993 Azat Khuzhin) o libevent_core and libevent_extra also deserve a pkgconfig file (b8d7c62 Jan Heylen) o Ignore verify_tests.bat (win32 version) (0f2de10 Azat Khuzhin) o cmake: require 3.1 only for win32 to make it work under ubunty precise (87f7238 Azat Khuzhin) o cmake: require at least 3.1 for target_sources() (c46ead5 Azat Khuzhin) o cmake: fix adding of compiler flags, and now it will (36588e1 Azat Khuzhin) o Replace -Wswitch-enum with -Wswitch, and add it into cmake rules too (f29f59e Azat Khuzhin) o test/regress_ssl: Fix compile problems for win32 (73d0360 Trond Norbye) o util: fix "%zu" format on TDM-gcc/MinGW-w64 (79b69d8 Azat Khuzhin) o cmake: don't define EVENT__NEED_DLLIMPORT always (fixes VS2013 static build) (49bd790 Azat Khuzhin) o Add missing return statement to del_wait_thread so libevent can build. (4f778ab Nick Mathewson) o cmake: fix building dns-example under win32 (missing getopt) (a1609a8 Azat Khuzhin) o visibility: align it to make it more readable (bb6b53d Azat Khuzhin) o cmake: Fix detection of ssize_t/SSIZE_T (7707f6b Azat Khuzhin) o Ignore more configure stuff (configure.lineno) (8d34302 Azat Khuzhin) o Fixed issue with cmake version generation (d56efd9 Mark Ellzey) o Cmake is now officially working. (7f9646d Mark Ellzey) o More cmake updates, lot's of missing definitions (49a5381 Mark Ellzey) o CMake syntax fixes fo .in files (6aad23d Mark Ellzey) o Revert "The Windows socket type is defined as SOCKET." (a264da8 Mark Ellzey) o CMAKE CMAKE CMAKE CLEANUPS (a9db46a Mark Ellzey) o Lot's of cmake updates (8b228e2 Mark Ellzey) o Provide a mechanism for building the library on Windows with different compiler flags. Add a batch file that builds it for the M[DT][d] options and performs a hunt and gather of the different output libraries. (ded8086 billsegall) o The Windows socket type is defined as SOCKET. (c9e6c3d billsegall) o autotools: fix getservbyname() detection (959a4c2 Azat Khuzhin) o Add missing for openssl_hostname_validation module (3316a21 Azat Khuzhin) o make test/regress_ssl.c compile without warnings (9f02a44 Thomas Bernard) o test/regress_be: drop debug __asm__(int3) to fix arm build (8240379 Azat Khuzhin) o event_debug_created_threadable_ctx_: fix compilation without debug mode (a068f2e Azat Khuzhin) o Add a prototype for event_disable_debug_mode() (bfcedee Sebastian Hahn) o http: eliminate warning about "socklen" in evhttp_connection_connect_() (dfad1a4 Azat Khuzhin) o Updated gitignore (1dbb55d Mark Ellzey) o Update bench_httpclient.c (cb96931 Seungmo Koo) o *fix: bench_httpclient to support win32 (4e9325e zeliard) o Commented out a WIN32 threading / timing test for now (e84e269 Mark Ellzey) o Fix mixed declarations and code (forbidden by ISO C90) (0c7f217 Thomas Bernard) o Fix "function declaration isn’t a prototype" (746d2c5 Thomas Bernard) o This fixes a bug introduced in 27bd9faf498b91923296cc91643e03ec4055c230 (19ba454 Joakim Söderberg) o changed strtotimeval signature as per #211 (bdbc823 Xiao Bao Clark) o Added cmake-generated files to ignore list. (6c12bfe Matyas Dolak) o Ignore `make dist` generated files (8a2c6c7 Azat Khuzhin) Debugging o Debug mode option to error on evthread init AFTER other event calls. (dcfb19a Mark Ellzey) Changes in version 2.1.5-beta (5 January 2015) Security Fixes (evbuffers) o Avoid integer overflow bugs in evbuffer_add() and related functions. See CVE-2014-6272 advisory for more information. (d49bc0e88b81a5812116074dc007f1db0ca1eecd) New APIs (evconnlistener) o Provide support for SO_REUSEPORT through LEV_OPT_REUSABLE_PORT (b625361 Maciej Soltysiak) Bugfixes (core) o Fix use-after-free error in EV_CLOSURE_EVENT callback (3cc0eac John Ohl) o Fix race caused by event_active (3c7d6fc vjpai) Bugfixes (evbuffer) o Fix evbuffer_peek() with len==-1 and start_at non-NULL. (ba59923) o Consistently check for failure from evbuffer_pullup() (60f8f72) o Fix evbuffer_peek() with len==-1 and start_at non-NULL. (fb7e76a) Bugfixes (windows, IOCP) o be async: avoid double close() (f133b86 Azat Khuzhin) Bugfixes (bufferevents) o Fix issue #127, double free for filterevents that use BEV_OPT_CLOSE_ON_FREE (2c82aa0 John Ohl) o make bufferevent_getwatermark api more robust (a21e510 ufo2243) o [Bugfix] fix bufferevent setwatermark suspend_read (b34e4ac ufo2243) o bufferevent_openssl: reset fd_is_set when setfd with -1 is called (3da84c2 Azat Khuzhin) o Fix compilation for older OpenSSL versions. (5c7282f Joakim Soderberg) New APIs (evhttp) o Add evhttp_connection_set_family() to set addrinfo->family for DNS requests (12c29b0 Azat Khuzhin) o Implement interface that provides the ability to have an outbound evhttp_connection free itself once all requests have completed (2b9ec4c,10fe4f John Ohl) New APIs (core) o Implement new/free for struct evutil_monotonic_timer and export monotonic time functions (f2645f8 Andrea Shepard) Bugfixes (evdns) o Load hosts file on Windows. (a0b247c Vilmos Nebehaj) o Don't truncate hosts file path on Windows. (d0dc861 Vilmos Nebehaj) o Fix a crash in evdns related to shutting down evdns (9f39c88,e8fe749) o evdns: avoid read-after-free in evdns_request_timeout_callback() (61262a0 Azat Khuzhin) o Correctly handle allocation failures in evdns_getaddrinfo (6a53d15) o evdns: fix EVDNS_BASE_DISABLE_WHEN_INACTIVE in case retransmit/retry (74d0eee Azat Khuzhin) o evdns: add retry/reissue tests for EVDNS_BASE_DISABLE_WHEN_INACTIVE (3ca9d43 Azat Khuzhin) o evdns: fail ns after we are failing/retrasmitting request (97c750d Azat Khuzhin) Bugfixes (evhttp) o http: reset connection before installing retry timer (fix http retries handling) (bc79cc5 Azat Khuzhin) Testing o regress_dns: fix leaks in getaddrinfo_async{,_cancel_stress} tests (2fdc5f2 Azat Khuzhin) o test: add family argument for http_connection_test_() (177b8a7 Azat Khuzhin) o test: add regress for evhttp_connection_set_family() with AF_INET and AF_UNSPEC (42aefeb Azat Khuzhin) o test/http: add regress test for set family to AF_INET6 (3fbf3cc Azat Khuzhin) o Update to a more recent tinytest_macros. (8da5a18) o test/regress: add simplestsignal: to track reorder bugs separately (b897bef Azat Khuzhin) o test/evbuffer_peek: add regress in case we have first buffer greater (e2d139d Azat Khuzhin) o More evbuffer_peek() test cases (154006a) o use correct tt macro for pointer compare (08c88ea) o regress_buffer: fix 'memcmp' compare size (79800df Maks Naumov) o Fix a use-after-free in unit tests. CID 752027 (3739057) o Fix a dead-code warning in unit tests. CID 1193548 (c119f24) o Use evutil_weakrand() in unit tests. (a677b72, 364c110) o Use a more precise calculation for max in time-ratelim.c (ca5b5c7) o Make a buffer larger in the tests to avoid a scary evbuffer_copyout_from() (fb57b8b) o Fix several memory leaks in the unit tests. (89c1a3b) o Add test for evhttp_connection_free_on_completion (b0e9924 John Ohl) o Fix annoying heisenbug in test-time.c (cb73704) Sample code o Make http-server.c output into good html5 (6d72bdc) o Use FindClose for handle from FindFirstFile in http-server.c (6466e88) o https-client: add -retries argument, for connection retries (d9da844 Azat Khuzhin) Bugfixes (build) o Add missing headerfile for cmake (15d90cc Trond Norbye) o ignore one more test binary (b6593aa Michael Richardson) o ignore config.cache/test-driver files (c83f333 Mike Frysinger) o add a --disable-samples configure flag (0c492b3 Mike Frysinger) o Add a few files created by "make verify" to .gitignore. (1a8295a Pierre Phaneuf) o updates in cmake build (27bd9fa Sergey Nikulov) o Fix cmake error when the Module path has more than one entry. (befbd13 Acer Yang) o Fix CMake shared library build (e69d910 Nobuaki Sukegawa) o Fix warnings when compiling with clang 3.5 (f5b4765 John Ohl) o Fix mixed declarations and code (forbidden by ISO C90) (8afbdbc Thomas Bernard) Bugfixes (miscellaneous) o tree.h: drop duplicated content of tree.h (6193187 Azat Khuzhin) o evdns: disable probing with EVDNS_BASE_DISABLE_WHEN_INACTIVE (610410b,ad0493e,fea86a6,d83b337,5ca9e97 Azat Khuzhin) o [Bugfix] fix grammer error (3a4d249 ufo2243) o Change return type of evutil_load_windows_system_library_ to HMODULE (f691389) o Fix a c90 warning (76643dd) o Fix a typo in a doxygen comment. Reported by 亦得. (be1aeff) o remove trailing comma from enum (b361b8a Jean-Philippe Ouellet) Bugfixes (FreeBSD) o Handle ENOTCAPABLE from FreeBSD - this is returned if an event in the changelist is for an FD that has been closed. (6fd7394 Adrian Chadd) Changes in version 2.1.4-alpha (21 Mar 2014) Libevent 2.1.4-alpha adds a number of new miscellaneous APIs to make Libevent more useful, including support for early close detection with epoll via EPOLLRDHUP, triggering bufferevent callbacks, adding more evhttp callbacks, and more. There are also numerous bugfixes, including a number for finalize-related issues from 2.1.3-alpha; and an alternative (non-primary!) cmake-based build mechanism. New APIs (core) o Added event_base_get_num_events() (0fa107d Mobai Zhang) o New event_base_active_by_fd API (865a142 Greg Hazel, 5c9da9a, 87fa2b0) o Add event_base_active_by_signal by analogy (4865943) o Add access to max event count stats (5173bef, efbd3dc, 26230a2 Andrew Sweeney) o Implemented EV_CLOSED event for epoll backend (EPOLLRDHUP). (b1b69ac Diego Giagio, 53d2793, 43ffcf6, dfe1e52 Marcin Juszkiewicz, ff26633 Joakim Soderberg, 3908a5e) New APIs (evutil_secure_rng) o Add evutil_secure_rng_set_urandom_device_file (2bbb5d7) New APIs (bufferevents) o Add function to fetch underlying ratelimit cfg (4b3d5af Mark Ellzey) o Pass and return const for bufferevent_get_token_bucket_cfg (1c77fbb Mark Ellzey) o Add watermark introspection (4ce242b OndÅ™ej Kuzník) o Add an option to trigger bufferevent I/O callbacks (61ee18b OndÅ™ej Kuzník) o Add an option to trigger bufferevent event callbacks (a7384c7 OndÅ™ej Kuzník) o Clarifications in response to merge req. comments (bd41947 OndÅ™ej Kuzník) o Minor optimizations on bufferevent_trigger options (a3172a4) New APIs (evhttp) o Add evhttp_connection_get_server(). (a7f82a3 Maxime Henrion) o add a http default content type option (5a5acd9 Nicolas Martyanoff) o http: implement new evhttp_connection_get_addr() api. (0c7f040 Azat Khuzhin) o Add a variant of evhttp_send_reply_chunk() with a callback on evhttp_write_buffer() (8d8decf Julien BLACHE) o Allow registering callback for parsing HTTP headers (b0bd7fe Balint Reczey) o Provide on request complete callback facility (b083ca0 Andrew Sweeney) o evhttp_request_set_on_complete_cb to be more specific about what the function actually does and usage (da86dda Andrew Sweeney) o Update unit test to make sure that the callback happens after the output data is written (b85f398 Andrew Sweeney) Features (evdns) o bug fix for issues #293 evdns_base_load_hosts doesn't remove outdated addresses (954d2f9, f03d353, 45eba6f Kuldeep Gupta) Features: (cmake build support) o Initial CMake commit. (e415196 Joakim Soderberg) o Add all tests and benchmarks to CMake project. (e9fc014 Joakim Soderberg) o More work on adding tests to CMake project (99c1dc3 Joakim Soderberg) o Generate a dummy evconfig-private.h so things build properly. (ce14def Joakim Soderberg) o Link libm on unix platforms. (58fcd42 Joakim Soderberg) o Added some GCC specific options. (19222e5 Joakim Soderberg) o Use evutil_closesocket instead. (dbf2b51 Joakim Soderberg) o Add copyright and licensing files for CMake modules. (c259d53 Joakim Soderberg) o Only include WIN32 getopt where it is used. (9bbce0b Joakim Soderberg) o Fix bench_cascade program on Windows. (78da644 Joakim Soderberg) o Don't segfault on no found event backend. (8f2af50 Joakim Soderberg) o Only test the event backends available on the system. (7ea4159 Joakim Soderberg) o Added a "make verify" target. (e053c4f Joakim Soderberg) o Fix the make "verify" target on Windows. (67e5d74 Joakim Soderberg) o Get rid of deprecation warnings for OpenSSL on OSX 10.7+ (69c3516 Joakim Söderberg) o Fix kqueue support. (a831f2f Joakim Söderberg) o Added a test for testing if kqueue works with pipes. (2799b35 Joakim Söderberg) o Change the BSD license from 4 to 3-clause. (86df3ed Joakim Soderberg) o Minimum required python version is 2.4. (968e97b Joakim Soderberg) o Get rid of unknown pragma warnings. (0ef1d04 Joakim Soderberg) o Add a "make verify_coverage" target generation coverage info. (f2483f8 Joakim Soderberg) o Fix the "make verify" target on NetBSD (4ac086a Joakim Soderberg) o Only look for ZLib when it is used (if tests are included). (f780593 Joakim Soderberg) o Added EVENT__ENABLE_GCC_WARNINGS, turns all warnings into errors. (dd413bd Joakim Soderberg) o Add CMake config and install targets. (f3446ed Joakim Soderberg) o Fix typo (4b754df Joakim Soderberg) o Some work on making it possible to simply do add_subdirectory() on the project. (49ab363 Joakim Soderberg) o Set USE_DEBUG=1 on EVENT__ENABLE_VERBOSE_DEBUG (fd42e70 Joakim Soderberg) o Fix so that old nmake project still builds. (24d6466 Joakim Soderberg) o Rename README to README.md and use markdown to format. (d2bc39a Joakim Soderberg) o Update README with CMake build instructions. (604b8cc Joakim Soderberg) o Clean up the README some. (8d4cb35 JoakimSoderberg) o Forgotten headers for old nmake project compatability. (8697b99 Joakim Soderberg) o Change all uses of WIN32 to _WIN32 (4e14395 Joakim Söderberg) o Fix include bug. (2024467 Joakim Söderberg) o Check if we're on OSX before disabling deprecation in le-proxy (8b40a5b Joakim Söderberg) o Fix broken autotools build. (ae1bd82 Joakim Söderberg) o Disclaimerize cmake a little in the README (d03b5bf) o Fix CMake compile when OpenSSL is disabled. (e423d42 Joakim Söderberg) o CMake: Get rid of python not found warning when regress tests turned off. (d38d798 Joakim Söderberg) o Fix https-client compilation on Windows. (d7be788 Joakim Soderberg) o Guard against EVENT_NOWIN32 being set during testing. (f1715b4 Joakim Soderberg) o Check for OSX when checking for clang. (e212c54 Joakim Soderberg) o Added a Travis-CI configuration file. (8c0f0a9 Joakim Soderberg) o Added -Qunused-arguments for clang on macosx (ed99d92 Trond Norbye) o Rename event_extras to event_extra (a0dd5df Trond Norbye) o Add option to build shared library (4545fa9 Trond Norbye) o Add -Qunused-arguments for clang on macos (b56611d Trond Norbye) o Add cmake-related files to .gitignore (e061321 Trond Norbye) o Export event_extra not event_extras. (2b41bcf Joakim Söderberg) Bugfixes (core) o If evsel->del() fails, don't leave the evmap in an inconsistent state (9b5a527 Maxime Henrion) o Move event_debug_note_teardown_ before mm_free. (69b5c64) o Check CLOCK_MONOTONIC_* at runtime if needed. (911abf3) o Fix reinit of fds with EV_WRITE but not EV_READ. (ebfd8a8 maksqwe) o Tweaked callbacks to prevent race condition (https://github.com/libevent/libevent/issues/104) (40830f1, 2ea15ed John Ohl) o Move assert(ev) to before we use ev in EV_CLOSURE_EVENT_FINALIZE case (9805972) Bugfixes (evhttp) o Fix a double close() bug in evhttp when the underlying bufferevent uses BEV_OPT_CLOSE_ON_FREE. (31db8a0 Maxime Henrion) o Fix an unlikely but possible error case for http connections (f22049e) o Avoid racy bufferevent activation (5eb1788 Nate Rosenblum) Bugfixes on 2.0 (Windows) o Use windows vsnprintf fixup logic on all windows environments (e826f19) o libevent/win32_dealloc() : fix sizeof(pointer) vs sizeof(*pointer) (b8f5980 Frank Denis) Bugfixes (evutil_secure_rng) o When we seed from /proc/sys/kernel/random/uuid, count it as success (e35b540) o We should return after arc4random_buf() (1ea1f26 Makoto Kato) o Avoid other RNG initialization FS reads when urandom file is specified (9695e9c) o Really remove RNG seeds from the stack (f5ced88) o Fix another arc4random_buf-related warning (e64a2b0) Bugfixes (bufferevents) o Initialize async bufferevent timeout CBs unconditionally (af9b2a7) Bugfixes (evdns) o Checking request nameserver for NULL, before using it. (5c710c0 Belobrov Andrey) o Fix SEGFAULT after evdns_base_resume if no nameservers installed. (14971a8 Azat Khuzhin) o Actually use the log facility for reporting evdns problems. (e1766a1) o Fix SEGFAULT after evdns_base_resume if no nameservers installed. (f8d7df8 Azat Khuzhin) o fix for ServFail from RIPE Atlas release (62f596b Antony Antony) Bugfixes (compilation) o Fix test compilation with nmake: add the gdi.lib dependency (5ba8ab7) o Whoops. It is gdi.lib, not gdi32.lib. (github issue #61) (8ab612e) o Don't use return since return type is void and build error occurs using clang (838161d Makoto Kato) o Use void casts to suppress some "unchecked return value" warns (7080d55) o rpcgen: Generate regress.gen.[c,h] in build rather than src dir (243386c Ross Lagerwall) o Fix a compiler warning when checking for arc4random_buf linker breakage. (5cb3865) o Fix 'make distcheck' by adding regress.gen.[ch] to DISTCLEANFILES (239d834) o Fix a c90 warning (c207682) o Fix consts in WIN32-Code/getopt*.[ch] (57abb35) Bugfixes (locks, synchronization) o Missed lock acquire/release in event_base_cancel_single_callback_() (d3d999a Azat Khuzhin) o Fix locking in bufferevent_get_options_(). (dbc9cd4 Maxime Henrion) Bugfixes (leaks) o Avoid leaking segment mappings when offset is not a page multiple (d409514) Testing o Add tests for evdns_base_resume(). (1cd9ff5 Azat Khuzhin) o Fix dns/leak_resume_send_err test. (7e876df Azat Khuzhin) o Add checks for evhttp_connection_get_server() in unit tests. (fbc323b Maxime Henrion) o Fix a (failure-only) null dereference in the unit tests (1104d0b) o Fix a logic error in test_evbuffer_freeze (7765884) o Add missing check to test_evbuffer_file_segment_add_cleanup_cb (eba4506) o Fix some crash-on-fail cases in DNS regression tests (87cd6f0) o DNS tests: add a missing check (f314900) o Finalize tests: add a missing check (82b6956) o test_evutil_rtrim: add another missing check. (e193c95) o regress_main: logging all if env EVENT_DEBUG_LOGGING_ALL isset (611e28b Azat Khuzhin) o regress_http: add tests for evhttp_connection_get_addr() (4dd500c Azat Khuzhin) o Update to the latest version of tinytest (7a80476) o Heap-allocate zlib data structure in regress_zlib tests (4947c18) Performance tweaks (core) o Avoid redundant syscall to make a nonblocking socket nonblocking (42c03da Maxime Henrion) o Avoid redundant syscall if making a socket cloexec twice (1f29b18) o Avoid redundant invocations of init_extension_functions for IOCP (3b77d62) Documentation o Document that arc4random is not a great cryptographic PRNG. (6e49696) o Small doxygen tweaks (6e67b51) o Try another doxygen tweak (ccf432b) o Clarify event_base_loop exit conditions (031a803) o Fix a typo (be7bf2c OndÅ™ej Kuzník) o Document deferred eventcb behaviour (13a9a02 OndÅ™ej Kuzník) o Typo fixes from Linus Nordberg (cec62cb, 8cd695b) o Fix duplicate paragraph in evbuffer_ptr documentation (58408ee) Code Improvements (coverity) o Fix a pile of coverity warnings in the unit tests (867f401) o Fix coverity warnings in benchmark tools. (ff7f739) o Whoops; fix compilation in bench.c (544cf88) o Remove spurious checks in evrpc.c error cases (coverity) (991b362) o Fix a couple of compilation warnings in regress_http.c (860767e) o Fix even more coverity warnings. (d240328) o Stop checking for inet_aton; we don't use it. (f665d5c) o Add an include to evrpc-internal to fix openbsd compilation warning (5e161c6) Cleanups o Remove an unreachable return statement in minheap-internal.h (e639a9e) o Refactor evmap_{io,signal}_active_() to tolerate bad inputs (974c60e) o Fix needless bufferevent includes in evdns.c (254c04e) o Fix a couple of "#ifdef WIN32" instances (88ecda3) o Remove unneeded declaration in bufferevent-internal.h (4c8ebcd) Sample code o le-proxy: Fail more gracefully if opening listener fails (44b2491) o http-server: drop uri_root from base_url in http-server. (6171e1c Azat Khuzhin) o https-client: POST supported, args supported (c5887f7 Alexey Ozeritsky) o https-client: code cleanup (29af65e Alexey Ozeritsky) o https-client: Small tweaks to https-client.c (90786eb) o https-client: Set hostname for SNI extension (by f69m) (d1976f8) o https-client: add a cast to https-client.c (462e6b6) Changes in version 2.1.3-alpha (1 May 2013) Libevent 2.1.3-alpha fixes various bugs, adds new unit tests, and cleans up the code in a couple of places. It has a new callback in evhttp for reporting errors during a request, a new feature for allowing evdns to not keep the event_base looping when there are no requests inflight, and example code for writing an https client. Libevent 2.1.3-alpha also has an important new (experimental) event finalization feature to allow safe event teardown in multithreaded programs. This ought to fix the longstanding bug with deadlocks in multithreaded use of SSL-based bufferevents that some people have been experiencing since Libevent 2.0. Core (event finalization) o Implement event_finalize() and related functions to avoid certain deadlocks (8eedeab) o Use finalization feature so bufferevents can avoid deadlocks (02fbf68) o Always run pending finalizers when event_base_free() is called (e9ebef8) o Remove bufferevent_del_generic_timeout_cbs as now unused (4ea4c6a) o More documentation for finalization feature (a800b91) o Make the event_finalize* functions return an error code (5d11f4f) o Mark the finalize stuff as experiemental in case it needs to change (23e2e29) Evdns o evdns: New flag to make evdns not prevent the event loop from exiting (6b7fa62 Azat Khuzhin) Bugfixes (Core) o Make event_remove_timer behave correctly with persistent timers (5623e80) o Unit test for event_remove_timer with EV_PERSIST. (96150dd) o Double-check next timeout when adding events (9443868 Nate Rosenblum) o event_base_update_cache_time should be a no-op if the loop isn't running (5e6fa2a) Bugfixes (evhttp, crash fix, from 2.0) o fix #73 and fix http_connection_fail_test to catch it (b618204 Greg Hazel) Bugfixes (compilation and portability, from 2.0) o Fix compilation with WIN32_HAVE_CONDITION_VARIABLES enabled (7e45739) o Fix missing AC_PROG_SED on older Autoconfs (9ab2b3f Tay Ray Chuan) o Backport libevent to vanilla Autoconf 2.59 (as used in RHEL5) (74d4c44 Kevin Bowling) o Use AC_CONFIG_HEADERS in place of AM_CONFIG_HEADERS for autmake 1.13 compat (817ea36) o Rename configure.in to configure.ac to appease newer autoconfs (0c79787) o Avoid using top_srcdir in TESTS: new automakes do not like this (a55514e) Bugfixes (resource leaks/lock errors on error, from 2.0) o Avoid leaking fds on evconnlistener with no callback set (69db261) o Avoid double-close on getsockname error in evutil_ersatz_socketpair (0a822a6) o Fix a locking error in bufferevent_socket_get_dns_error. (0a5eb2e) Documentation Fixes (from 2.0) o Fix a mistake in evbuffer_remove() arguments in example http server code (c322c20 Gyepi Sam) o Fix a typo in a comment in buffer.h. Spotted by Alt_F4 (773b0a5) Documentation Fixes o minor documentation typos (809586a Patrick Pelletier) o Fix cut-and-paste err in whatsnew-2.1 (49905ac) o Fix comment to refer to sample/include.am correctly (9e8cdf3 Sebastian Hahn) o Fix typo : Dispatching instead of Dispaching (0c2bacc Volker Lendecke) o fix some hinky indentation in evhttp_make_request (80e220e Patrick Pelletier) o "buffer" spelling (a452811 Patrick Pelletier) o Specify return behavior in header for evbuffer_pullup() in corner case (cf8d1cd Dan Petro) o Clarify an important point about event_base_foreach_event() (920a5e6) Compilation Fixes/Tool Support o avoid valgrind false positive by zeroing epoll_event (1258614 Patrick Pelletier) o Fix harmless clang enum warning (b452a43 Sebastian Hahn) o remove all exes on "make clean", not just regress.exe (974bfa0 Patrick Pelletier) o Make --disable-libevent-regress work again (787fd74) o Do not build strlcpy.c when it will have no code. (4914620) Portability Fixes o When EWOULDBLOCK is not EAGAIN, treat it as equivalent to it (bf7a0ff) o Preliminary changes for Minix3. (0dda56a Nicholas Heath) o Use AC_CONFIG_HEADERS in place of AM_CONFIG_HEADERS for autmake 1.13 compat (bf278b) o Avoid using $(top_srcdir) in TESTS. (2863c83) o build test/test-script.sh on systems with a less-featureful $< (f935e21) o Implement EVUTIL_ERR_IS_EAGAIN on windows. (42aaf4d) Evhttp changes: o Fix ipv6 support for http. When URL contain domain, not IP address. (71e709c Azat Khuzhin) o uri decode: fix for warning "use of uninitialised value" (64b6ece Azat Khuzhin) o uri decode: changed the test for the existence of the next character (e1903e3 Azat Khuzhin) o Move prototype of evhttp_decode_uri_internal() to http-internal.h (de8101a Azat Khuzhin) o Test: decoding just part of string with evhttp_decode_uri_internal() (1367653 Azat Khuzhin) o Add new error_cb for actual reporting of HTTP request errors. (7b07719 Azat Khuzhin) o Add test for EVREQ_HTTP_REQUEST_CANCEL into http_cancel_test() (862c217 Azat Khuzhin) o Drop extra header http_struct.h from regress_http.c (54cc800 Azat Khuzhin) Testing o Add regress test ipv6_for_domain. (9ec88bd Azat Khuzhin) o Add an environment variable (EVENT_DEBUG_MODE) to run unit tests in debug mode (2fad0f3) o Add a test with an active_later event at event_base_free time. (1c3147f) o Make all tests pass under EVENT_DEBUG_MODE=1 (b1b054f) o Add some verbose notes to bufferevent unit tests (9d893c9) o New test for active_later->active transition on event_active (a153874) o New tests for event_base_foreach_event() (0b096ef) o Unit tests for event_base_gettimeofday_cached() and event_base_update_cache_time() (30ea291) o A test for event_get_assignment() (f09629e) o More unit tests for initializing common timeouts. (d596739) o Fix a bug in the new main/event_foreach test (702c9aa) Windows: o use FormatMessage for winsock errors (0c6ec5d, 2078e9b, 4ccdd53, c9ad3af Patrick Pelletier) o a program to print out the error strings for winsock errors (7296512 Patrick Pelletier) o Fix a warning introduced in 0c6ec5d8 (eeb700c) o Fix another warning introduced in 0c6ec5d8 (ed26561) Examples (http) o Add sample/https-client.c, an example of stacking evhttp as a client on top of bufferevent_ssl. (be46c99 Catalin Patulea) o use ${OPENSSL_LIBS} instead of -lssl -lcrypto (bf31fa5 Patrick Pelletier) o https-client was putting newlines at 256-byte boundaries (42d7441 Patrick Pelletier) o better handling of OpenSSL errors (5754d96 Patrick Pelletier) o use Debian's default root certificate location (aacd674 Patrick Pelletier) o use iSECPartners code to validate hostname in certificate (64d9f16 Patrick Pelletier) o avoid sign mismatch warning in openssl_hostname_validation.c (6021cb5 Patrick Pelletier) o pull in wildcard matching code from cURL (4db9da6 Patrick Pelletier) o Another tweak to https-client.c (95acdaa) o Remove http_struct.h usage in sample/https-client.c (8a90a85) Changes in version 2.1.2-alpha (18 Nov 2012) Libevent 2.1.2-alpha includes more portable for monotonic timers, refactors much of Libevent's internal and external infrastructure, closes some longstanding gaps in the interface, makde other improvements. Ths log below tries to organize features by rough area of effect. It omits a few commits which were pure bugfixes on other commits listed below. For more detail, see the git changelogs. For more insight, see the "whatsnew-2.1.txt" document included in the Libevent 2.1.2-alpha distribution. Libevent 2.1.2-alpha also includes all changes made in 2.0.19-stable through 2.0.21-stable inclusive. Performance (core): o Replace pipe-based notification with EVFILT_USER where possible. This should make multithreaded programs on OSX and *BSD alert the main thread a little faster. (53a07fe) o Make th_base_lock nonrecursive. (9cd5acb) New/Changed API Functions: o New event_get_priority() function to return an event's priority (f90e255) o Add a bufferevent_get_priority() function (bd39554) o Add an event_base_loopcontinue() to tell Libevent to rescan for more events right away (7d6aa5e) o Add a new callback to get called on evbuffer_file_segment free (e9f8feb yangacer, 64051b9) o Expose event_base_foreach_event() as a public API. (84fd6d7 Roman Puls, 232055e, ffe1643) o Add an event_remove_timer() to remove timer on an event without deleting it (e3b2e08) o Make bufferevent_set_timeouts(bev, NULL, NULL) have plausible semantics (9dee36b) o Rename event_enable_lock_debuging() to ..._debugging(). (The old name should still work.) (07e132e) o Add missing implementation for event_enable_debug_logging (3b3e21d) PORTABLE MONOTONIC TIMERS: Libevent 2.1.2 includes internal support for monotonic timers on (nearly) all supported platforms, including Windows, and OSX. Libevent applications should now be more resilient to jumps forwards or backwards in the system clock. Also, on Linux systems with epoll, we now optionally support microsecond-level timeouts (whereas epoll only supports millisecond-precision timeouts). o Use mach_absolute_time() for monotonic clock support on OSX. (b8fd6f9) o Do not track use_monotonic field when is no monotonic clock (cb653a0) o EVENT_BASE_FLAG_PRECISE_TIMER indicates we want fine timer precision (ddd69d3) o On Linux, use CLOCK_MONOTONIC_COARSE by default (55780a7) o Implement a GetTickCount-based monotonic timer for Windows (d5e1d5a) o Refactor monotonic timer handling into a new type and set of functions; add a gettimeofday-based ratcheting implementation (f5e4eb0) o Add EVENT_PRECISE_TIMER environment var for selecting precise-but-slow timer (a2598ec) o Implement fast/precise monotonic clocks on Windows (2c47045) o Simple unit tests for monotonic timers (630f077) o Improve the monotonic-time unit test: make it check the step size (7428c78) o When PRECISE_TIMERS is set with epoll, use timerfd for microsecond precision (26c7582) o Split out time-related evutil functions into a new evutil_time.c (c419485) o Split out time-related prototypes into time-internal.h (71bca50) o Add evutil_time.obj to Makefile.nmake (0ba0683) o Avoid giving a spurious warning when timerfd support is unavailable (1aaf9f0 Dave Hart) o Make test_evutil_monotonic a little more tolerant (def3b83) o Avoid unused-var warning on systems with clock_gettime but without CLOCK_MONOTONIC_COARSE (9be5468) EVENT_BASE_ONCE LEAKS: If a callback added by event_base_once() is never invoked, Libevent no longer leaks internal memory. o Free dangling event_once objects on event_base_free() (c17dd59) o Add a unit test in which an event is created with event_base_once() but never fires (4343edf) TESTING SUPPORT, FIXES AND IMPROVEMENTS: Libevent now disables by default its unit tests that would touch the network, or that tend to fail on heavily-loaded systems. To re-enable them, invoke the ./test/regress program with the @all alias. o Simplify test.sh code significantly. (9b856fd Ross Lagerwall) o Make all tests that hit the network disabled by default (f2cea87) o Avoid a resource leak on error in http client benchmark (ea92fba) o Update to latest tinytest (911b4f0349377) (ef7c4f7) o Avoid (unlikely) overflow in bench_httpclient.c (5671033) o Shave 700 msec off the persistent_timeout_jump test (21205b8) o Check return value of write() in regress.c (c8009d2) o Make load-dependent monotonic timer tests off-by-default (2b6fe8b) o Add deferred_cb_skew to list of timing-dependent tests (34c8f31) o Avoid test -e; older shs don't have one. (f1bd938) o Fix renegotiation test to work around openssl 1.0.1 bug (c2f3086) o Fix a couple of compile warnings in the unit tests (5a9a014) MISC: o Change evutil_weakrand_() to avoid platform random() (e86af4b Nicholas Marriott, 3aa4415) INFRASTRUCTURE (Active-later events): As a simplification and optimization to Libevent's "deferred callback" logic (introduced in 2.0 to avoid callback recursion), Libevent now treats all of its deferrable callback types using the same logic it uses for active events. Now deferred events no longer cause priority inversion, no longer require special code to cancel them, and so on. o Refactor the callback part of an event into its own event_callback type (cba59e5) o Add "active later" event_callbacks to supersede deferred (745a63d) o event_base_assert_ok: check value of event_active_count for correctness (fec8bae) o Replace deferred_cbs with event_callback-based implementation. (ae2b84b) o Replace more deferred_cb names with event_callback (a4079aa) o Give event_base_process_active a single exit path (581b5be) o Restore our priority-inversion-prevention code with deferreds (c0e425a) o Refactor event_persist_closure: raise and extract some common logic (bec22b4) o Remove the unused bits from EVLIST_ALL (9889a3d) ||||||| merged common ancestors Changes in version 2.0.22-stable (?? Dec 2013) (As of 3b77d62829c4393bda6f9105a5d3b73b48a64b71.) BUGFIXES (evhttp) o fix #73 and fix http_connection_fail_test to catch it (crash fix) (b618204 Greg Hazel) o Avoid racy bufferevent activation (5eb1788 Nate Rosenblum) BUGFIXES (compilation and portability) o Fix compilation with WIN32_HAVE_CONDITION_VARIABLES enabled (7e45739) o Fix missing AC_PROG_SED on older Autoconfs (9ab2b3f Tay Ray Chuan) o Backport libevent to vanilla Autoconf 2.59 (as used in RHEL5) (74d4c44 Kevin Bowling) o Use AC_CONFIG_HEADERS in place of AM_CONFIG_HEADERS for autmake 1.13 compat (817ea36) o Rename configure.in to configure.ac to appease newer autoconfs (0c79787) o Avoid using top_srcdir in TESTS: new automakes do not like this (a55514e) o Use windows vsnprintf fixup logic on all windows environments (e826f19) o Fix a compiler warning when checking for arc4random_buf linker breakage. (5cb3865) o Fix another arc4random_buf-related warning (e64a2b0) BUGFIXES (resource leaks/lock errors on error) o Avoid leaking fds on evconnlistener with no callback set (69db261) o Avoid double-close on getsockname error in evutil_ersatz_socketpair (0a822a6) o Fix a locking error in bufferevent_socket_get_dns_error. (0a5eb2e) o libevent/win32_dealloc() : fix sizeof(pointer) vs sizeof(*pointer) (b8f5980 Frank Denis) BUGFIXES (miscellaneous) o Avoid other RNG initialization FS reads when urandom file is specified (9695e9c, bb52471) o Avoid redundant invocations of init_extension_functions for IOCP (3b77d62) BUFGIXES (evdns) o Checking request nameserver for NULL, before using it. (5c710c0 Belobrov Andrey) o Fix SEGFAULT after evdns_base_resume if no nameservers installed. (f8d7df8 Azat Khuzhin) BUGFIXES (evutil_secure_random) o When we seed from /proc/sys/kernel/random/uuid, count it as success (e35b540) o Document that arc4random is not a great cryptographic PRNG. (6e49696) o Add evutil_secure_rng_set_urandom_device_file (2bbb5d7) o Really remove RNG seeds from the stack (f5ced88) DOCUMENTATION FIXES o Fix a mistake in evbuffer_remove() arguments in example http server code (c322c20 Gyepi Sam) o Fix a typo in a comment in buffer.h. Spotted by Alt_F4 (773b0a5) Changes in version 2.0.21-stable (18 Nov 2012) BUGFIXES: o ssl: Don't discard SSL read event when timeout and read come close together (576b29f) o ssl: Stop looping in "consider_reading" if reading is suspended. (f719b8a Joachim Bauch) o ssl: No need to reserve space if reading is suspended. (1acf2eb Joachim Bauch) o dns: Avoid a memory-leak on OOM in evdns. (73e85dd, f2bff75 George Danchev) o build: Use python2 rather than python (0eb0109 Ross Lagerwall) o build: Compile without warnings on mingw64 (94866c2) o build: Fix compilation on mingw64 with -DUSE_DEBUG (62bd2c4) o build: Make rpcgen_wrapper.sh work on systems without a "python2" binary (f3009e4) o iocp: Close IOCP listener socket on free when LEV_OPT_CLOSE_ON_FREE is set (cb853ea Juan Pablo Fernandez) o core: Avoid crash when event_pending() called with no event_base set on event (e3cccf3) o misc: remove stray 'x' so print_err will compile when uncommented (ac35650 Patrick Pelletier) o tests: Fix renegotiation test to work around openssl 1.0.1 bug (c2f3086) o tests: Warn when openssl version in unit test mismatches compiled version. (ac009f9) Changes in version 2.0.20-stable (23 Aug 2012) BUGFIXES: o core: Make event_pending() threadsafe. (be7a95c Simon Liu) o win32: avoid crash when waiting forever on zero fds. (160e58b) o evhttp: Fix a memory leak on error in evhttp_uriencode (11c8b31) o evbuffer: Avoid possible needless call to writev. Found by coverity. (6a4ec5c) o evdns: memset sockaddr_in before using it. Found by coverity. (a1a0e67) o evhttp: Check more setsockopt return values when binding sockets. Found by coverity (a0912e3) o evdns: Avoid segfault on weird timeout during name lookup. (dc32077 Greg Hazel) o bufferevent_ssl: Correctly invoke callbacks when a SSL bufferevent reads some and then blocks. (606ac43) PORTABILITY FIXES: o check for arc4random_buf at runtime, on OS X (bff5f94 Greg Hazel) o Correctly check for arc4random_buf (fcec3e8 Sebastian Hahn) o Add explicit AC_PROG_SED to configure.in so all autoconfs will expose $(SED) (ca80ea6) BUILD FIXES: o Add GCC annotations so that the vsprintf functions get checked properly (117e327) o Fix an unused variable warning on *BSD. (c0720c1) UNIT TEST FIXES: o Fix a couple of memory leaks (found with Valgrind). (3b2529a Ross Lagerwall) o Remove deadcode in http regression tests. Found by coverity. (5553346) o Fix possible uninitialized read in dns regression tests. Found by coverity. (2259777) o Set umask before calling mkstemp in unit tests. Found by coverity (f1ce15d) o Fix various check-after-dereference issues in unit tests: found by coverity (4f3732d) o Fix resource leaks in the unit tests; found by coverity (270f279) o Add some missing null checks to unit tests; found by coverity (f021c3d) o Avoid more crashes/bad calls in unit tests; found by coverity (3cde5bf) o Remove unused variable; spotted by coverity (6355b2a) o Add checks to various return values in unit tests. Found by coverity (b9e7329) o Move assignment outside tt_assert in ssl unit tests. Appeases coverity. (a2006c0) Changes in version 2.0.19-stable (3 May 2012) BUGFIXES (CORE): o Refactor event_persist_closure: raise and extract some common logic (bec22b4) o If time has jumped so we'd reschedule a periodic event in the past, schedule it for the future instead (dfd808c) o If a higher-priority event becomes active, don't continue running events of the current priority. (2bfda40) BUGFIXES (SSL): o Fixed potential double-readcb execution with openssl bufferevents. (4e62cd1 Mark Ellzey) BUGFIXES (DNS): o Cancel a probe request when the server is freed, and ignore cancelled probe callbacks (94d2336 Greg Hazel) o Remove redundant DNS_ERR_CANCEL check, move comment (46b8060 Greg Hazel) o When retransmitting a timed-out DNS request, pick a fresh nameserver. (3d9e52a) DOCUMENTATION FIXES: o Fix a typo in the bufferevent documentation (98e9119) o Add missing ) to changelog; spotted by rransom (4c7ee6b) o Fix the website URL in the readme (f775521) COMPILATION FIXES: o Fix a compilation error with MSVC 2005 due to use of mode_t (336dcae) o Configure with gcc older than 2.95 (4a6fd43 Sebastian Hahn) o Generate event-config.h with a single sed script (30b6f88 Zack Weinberg) FORWARD-COMPATIBILITY: o Backport: provide EVENT_LOG_* names, and deprecate _EVENT_LOG_* (d1a03b2) TESTING/DEBUGGING SUPPORT: o dns-example.c can now take a resolv.conf file on the commandline (6610fa5) o Make some evdns.c debug logs more verbose (d873d67) o Work-around a stupid gcov-breaking bug in OSX 10.6 (b3887cd) Changes in version 2.0.18-stable (22 Mar 2012) BUGFIXES (core): o Make uses of open() close-on-exec safe by introducing an internal evutil_open_closeonexec. (d2b5f72 Ross Lagerwall, 03dce42) BUGFIXES (kqueue): o Properly zero the kevent in kq_setup_kevent() (c2c7b39 Sebastian Hahn) BUILD FIXES: o Added OPENSSL_LDFLAGS env variable which is appended to SSL checks. (9278196 Mark Ellzey) o Changed OPENSSL_LDFLAGS to OPENSSL_LIBADD (2d67b63 Mark Ellzey) o Don't do clang version detection when disabling some flags (083296b Sebastian Hahn) BUGFIXES (dns): o Stop crashing in evdns when nameserver probes give a weird error (bec5068) Changes in version 2.0.17-stable (10 Feb 2012) BUGFIXES (core): o Be absolutely sure to clear pncalls before leaving event_signal_closure (11f36a5) o check for sysctl before we use it (358c745 Mike Frysinger) o Remove bogus casts of socket to int before calling ev_callback (f032516) o Make evconnlistener work around bug in older Linux when getting nmapped (ecfc720) o Fix a list corruption bug when using event_reinit() with signals present (6e41cdc) o Fix a fd leak in event_reinit() (3f18ad1) o Do a memberwise comparison of threading function tables (c94a5f2 Nate R) o Use C-style comments in C source files (for compatibility with compilers such as xlc on AIX). (d84d917 Greg Hewgill) o Avoid crash when freeing event_iocp and using event_set_mem_functions (19715a6) o In the kqueue backend, do not report EBADF as an EV_READ (5d7bfa1 Nicholas Marriott) BUGFIXES (evbuffer and bufferevents): o Fix behavior of evbuffer_peek(buf,-1,NULL,NULL,0) (c986f23 Zack Weinberg) o Loop on filtering SSL reads until we are blocked or exhausted. (5b4b812) BUGFIXES (evhttp): o Force strict validation of HTTP version in response. (790f6b3 Catalin Patulea) BUGFIXES (evdns): o evdns: fix a bug in circular-queue implementation (d6094b1) BUILD FIXES: o Fix a silly compilation error with the sun compiler (1927776 Colin Watt) o Suppress a gcc warning from ignoring fwrite return in http-sample.c (7206e8c) DOCUMENTATION FIXES: o Slightly clarify evbuffer_peek documentation (7bbf6ca) o Update copyright notices to 2012 (e49e289) NEW APIS: o Backport evhttp_connection_get_bufferevent to Libevent 2.0 (da70fa7 Arno Bakker) TESTS AND TEST FIXES: o Fix a race condition in the dns/bufferevent_connect_hostname test. (cba48c7) o Add function to check referential integrity of an event_base (27737d5) o Check event_base correctness at end of each unit test (3312b02) o Workaround in the unit tests for an apparent epoll bug in Linux 3.2 (dab9187) o Better workaround for Linux 3.2 edge-triggered epoll bug (9f9e259) Changes in version 2.0.16-stable (18 Nov 2011) BUGFIXES (core): o More detailed message in case of libevent self-debugging failure. (9e6a4ef Leonid Evdokimov) o epoll: close fd on alloc fail at initialization (1aee718 Jamie Iles) o Fix compile warning from saying event2/*.h inside a comment (447b0ba) o Warn when unable to construct base because of failing make_base_notifiable (4e797f3) o Don't try to make notifiable event_base when no threading fns are configured (e787413) BUGFIXES (evbuffer): o unit test for remove_buffer bug (90bd620 Greg Hazel) o Fix an evbuffer crash in evbuffer_remove_buffer() (c37069c) BUGFIXES (bufferevent_openssl): o Refactor amount-to-read calculations in buffervent_ssl consider_reading() (a186e73 Mark Ellzey) o Move SSL rate-limit enforcement into bytes_to_read() (96c562f) o Avoid spinning on OpenSSL reads (2aa036f Mark Ellzey) BUGFIXES (dns) o Empty DNS reply with OK status is another way to say NODATA. (21a08d6 Leonid Evdokimov) TESTING: o Tests for 94fba5b and f72e8f6 (d58c15e Leonid Evdokimov) o Test for commit aff6ba1 (f7841bf Leonid Evdokimov) o Style and comment tweaks for dns/leak* tests (5e42202) o improve test to remove at least one buffer from src (7eb52eb Greg Hazel) DOCUMENTATION: o Add note about evhttp_send_reply_end to its doxygen (724bfb5) o Update copyright dates to 2011. (3c824bd) o Fix typo in whatsnew-2.0.txt (674bc6a Mansour Moufid) o Improve win32 behavior of dns-sample.c code (a3f320e Gisle Vanem) Changes in version 2.0.15-stable (12 Oct 2011) BUGFIXES (DNS): o DNS: add ttl for negative answers using RFC 2308 idea. (f72e8f6 Leonid Evdokimov) o Add DNS_ERR_NODATA error code to handle empty replies. (94fba5b Leonid Evdokimov) BUFGIXES (bufferevents and evbuffers): o Make evbuffer callbacks get the right n_added value after evbuffer_add (1ef1f68 Alex) o Prefer mmap to sendfile unless a DRAINS_TO_FD flag is set. Allows add_file to work with SSL. (0ba0af9) BUGFIXES (event loop): o When a signal callback is activated to run multiple times, allow event_base_loopbreak to work even before they all have run. (4e8eb6a) DOCUMENTATION FIXES: o Fix docstring in dns.h (2b6eae5 Leonid Evdokimov) o refer to non-deprecated evdns functions in comments (ba5c27d Greg Hazel) BUILD AND TESTING FIXES: o le-proxy and regress depend on openssl directly (9ae061a Sergey Avseyev) o Use _SOURCES, not _sources, in sample/Makefile.am (7f82382) o Fixed compiler warnings for unchecked read/write calls. (c3b62fd Mark Ellzey) o Make write-checking fixes use tt_fail_perror (2b76847) o Fix some "value never used" warnings with gcc 4.6.1 (39c0cf7) Changes in version 2.0.14-stable (31 Aug 2011) BUGFIXES (bufferevents and evbuffers): o Propagate errors on the underlying bufferevent to the user. (4a34394 Joachim Bauch) o Ignore OpenSSL deprecation warnings on OS X (5d1b255 Sebastian Hahn) o Fix handling of group rate limits under 64 bytes of burst (6d5440e) o Solaris sendfile: correctly detect amount of data sent (643922e Michael Herf) o Make rate limiting work with common_timeout logic (5b18f13) o clear read watermark on underlying bufferevent when creating filtering bev to fix potentially failing fragmented ssl handshakes (54f7e61 Joachim Bauch) BUGFIXES (IOCP): o IOCP: don't launch reads or writes on an unconnected socket (495c227) o Make IOCP rate-limiting group support stricter and less surprising. (a98da7b) o Have test-ratelim.c support IOCP (0ff2c5a) o Make overlapped reads result in evbuffer callbacks getting invoked (6acfbdd) o Correctly terminate IO on an async bufferevent on bufferevent_free (e6af35d) BUGFIXES (other): o Fix evsig_dealloc memory leak with debugging turned on. (9b724b2 Leonid Evdokimov) o Fix request_finished memory leak with debugging turned on. (aff6ba1 Leonid Evdokimov) BUILD AND TESTING FIXES: o Allow OS-neutral builds for platforms where some versions have arc4random_buf (b442302 Mitchell Livingston) o Try to fix 'make distcheck' errors when building out-of-tree (04656ea Dave Hart) o Clean up some problems identified by Coverity. (7c11e51 Harlan Stenn) Changes in version 2.0.13-stable (18 Jul 2011) BUGFIXES o Avoid race-condition when initializing global locks (b683cae) o Fix bug in SSL bufferevents backed by a bev with a write high-watermarks (e050703 Joachim Bauch) o Speed up invoke_callbacks on evbuffers when there are no callbacks (f87f568 Mark Ellzey) o Avoid a segfault when all methods are disabled or broken (27ce38b) o Fix incorrect results from evbuffer_search_eol(EOL_LF) (4461f1a) o Add some missing checks for mm_calloc failures (89d5e09) o Replace an assertion for event_base_free(NULL) with a check-and-warn (09fe97d) o Report kqueue ebadf, epipe, and eperm as EV_READ events (1fd34ab) o Check if the `evhttp_new_object' function in `http.c' returns NULL. (446cc7a Mansour Moufid) o Use the correct printf args when formatting size_t (3203f88) o Complain if the caller tries to change threading cbs after setting them (cb6ecee) DOCUMENTATION FIXES AND IMPROVEMENTS o Revise the event/evbuffer/bufferevent doxygen for clarity and accuracy (2888fac) o Update Doxyfile to produce more useful output (aea0555) TEST FIXES o Fix up test_evutil_snprintf (caf695a) o Fix tinytest invocation from windows shell (57def34 Ed Day) BUILD FIXES o Use AM_CPPFLAGS in sample/Makefile.am, not AM_CFLAGS (4a5c82d) o Fix select.c compilation on systems with no NFDBITS (49d1136) o Fix a few warnings on OpenBSD (8ee9f9c Nicholas Marriott) o Don't break when building tests from git without python installed (b031adf) o Don't install event_rpcgen.py when --disable-libevent-install is used (e23cda3 Harlan Stenn) o Fix AIX build issue with TAILQ_FOREACH definition (e934096) Changes in version 2.0.12-stable (4 Jun 2011) BUGFIXES o Fix a warn-and-fail bug in kqueue by providing kevent() room to report errors (28317a0) o Fix an assert-inducing fencepost bug in the select backend (d90149d) o Fix failing http assertion introducd in commit 0d6622e (0848814 Kevin Ko) o Fix a bug that prevented us from configuring IPv6 nameservers. (74760f1) o Prevent size_t overflow in evhttp_htmlescape. (06c51cd Mansour Moufid) o Added several checks for under/overflow conditions in evhttp_handle_chunked_read (a279272 Mark Ellzey) o Added overflow checks in evhttp_read_body and evhttp_get_body (84560fc Mark Ellzey) DOCUMENTATION: o Add missing words to EVLOOP_NONBLOCK documentation (9556a7d) BUILD FIXES o libssl depends on libcrypto, not the other way around. (274dd03 Peter Rosin) o Libtool brings in the dependencies of libevent_openssl.la automatically (7b819f2 Peter Rosin) o Use OPENSSL_LIBS in Makefile.am (292092e Sebastian Hahn) o Move the win32 detection in configure.in (ceb03b9 Sebastian Hahn) o Correctly detect openssl on windows (6619385 Sebastian Hahn) o Fix a compile warning with zlib 1.2.4 and 1.2.5 (5786b91 Sebastian Hahn) o Fix compilation with GCC 2, which had no __builtin_expect (09d39a1 Dave Hart) o Fix new warnings from GCC 4.6 (06a714f) o Link with -lshell32 and -ladvapi32 on Win32. (86090ee Peter Rosin) o Make the tests build when OpenSSL is not available. (07c41be Peter Rosin) o Bring in the compile script from automake, if needed. (f3c7a4c Peter Rosin) o MSVC does not provide S_ISDIR, so provide it manually. (70be7d1 Peter Rosin) o unistd.h and sys/time.h might not exist. (fe93022 Peter Rosin) o Make sure TINYTEST_LOCAL is defined when building tinytest.c (8fa030c Peter Rosin) o Fix winsock2.h #include issues with MSVC (3d768dc Peter Rosin) o Use evutil_gettimeofday instead of relying on the system gettimeofday. (0de87fe Peter Rosin) o Always use evutil_snprintf, even if OS provides it (d1b2d11 Sebastian Hahn) o InitializeCriticalSectionAndSpinCount requires _WIN32_WINNT >= 0x0403. (816115a Peter Rosin) o cygwin: make it possible to build DLLs (d54d3fc) Changes in version 2.0.11-stable (27 Apr 2011) [Autogenerated from the Git log, sorted and cleaned by hand.] BUGFIXES: o Fix evport handling of POLLHUP and POLLERR (b42ce4b) o Fix compilation on Windows with NDEBUG (cb8059d) o Check for POLLERR, POLLHUP and POLLNVAL for Solaris event ports (0144886 Trond Norbye) o Detect and handle more allocation failures. (666b096 Jardel Weyrich) o Use event_err() only if the failure is truly unrecoverable. (3f8d22a Jardel Weyrich) o Handle resize failures in the select backend better. (83e805a) o Correctly free selectop fields when select_resize fails in select_init (0c0ec0b) o Make --enable-gcc-warnings a no-op if not using gcc (3267703) o Fix a type error in our (unused) arc4random_stir() (f736198) o Correctly detect and stop non-chunked http requests when the body is too long (63a715e) o Have event_base_gettimeofday_cached() always return wall-clock time (a459ef7) o Workaround for http crash bug 3078187 (5dc5662 Tomash Brechko) o Fix incorrect assertions and possible use-after-free in evrpc_free() (4b8f02f Christophe Fillot) o Reset outgoing http connection when read data in idle state. (272823f Tomash Brechko) o Fix subtle recursion in evhttp_connection_cb_cleanup(). (218cf19 Tomash Brechko) o Fix the case when failed evhttp_make_request() leaved request in the queue. (0d6622e Tomash Brechko) o Fix a crash bug in evdns server circular list code (00e91b3) o Handle calloc failure in evdns. (Found by Dave Hart) (364291e) o Fix a memory leak on win32 socket->event map. (b4f89f0) o Add a forgotten NULL check to evhttp_parse_headers (12311ff Sebastian Hahn) o Fix possible NULL-deref in evdns_cancel_request (5208544 Sebastian Hahn) PORTABILITY: o Fall back to sscanf if we have no other way to implement strtoll (453317b) o Build correctly on platforms without sockaddr_storage (9184563) o Try to build correctly on platforms with no IPv6 support (713c254) o Build on systems without AI_PASSIVE (cb92113) o Fix http unit test on non-windows platforms without getaddrinfo (6092f12) o Do not check for gethostbyname_r versions if we have getaddrinfo (c1260b0) o Include arpa/inet.h as needed on HPUX (10c834c Harlan Stenn) o Include util-internal.h as needed to build on platforms with no sockaddr_storage (bbf5515 Harlan Stenn) o Check for getservbyname even if not on win32. (af08a94 Harlan Stenn) o Add -D_OSF_SOURCE to fix hpux builds (0b33479 Harlan Stenn) o Check for allocation failures in apply_socktype_protocol_hack (637d17a) o Fix the check for multicast or broadcast addresses in evutil_check_interfaces (1a21d7b) o Avoid a free(NULL) if out-of-memory in evdns_getaddrinfo. Found by Dave Hart (3417f68) DEFENSIVE PROGRAMMING: o Add compile-time check for AF_UNSPEC==PF_UNSPEC (3c8f4e7) BUGS IN TESTS: o Fix test.sh output on solaris (b4f89b6 Dave Hart) o Make test-eof fail with a timeout if we never get an eof. (05a2c22 Harlan Stenn) o Use %s with printf in test.sh (039b9bd) o Add an assert to appease clang's static analyzer (b0ff7eb Sebastian Hahn) o Add a forgotten return value check in the unit tests (3819b62 Sebastian Hahn) o Actually send NULL request in http_bad_request_test (b693c32 Sebastian Hahn) o add some (void) casts for unused variables (65707d7 Sebastian Hahn) o Refactor test_getaddrinfo_async_cancel_stress() (48c44a6 Sebastian Hahn) o Be nice and "handle" error return values in sample code (4bac793 Sebastian Hahn) o Check return value of evbuffer_add_cb in tests (93a1abb Sebastian Hahn) o Remote some dead code from dns-example.c (744c745 Sebastian Hahn) o Zero a struct sockaddr_in before using it (646f9fe Sebastian Hahn) BUILD FIXES: o Fix warnings about AC_LANG_PROGRAM usage (f663112 Sebastian Hahn) o Skip check for zlib if we have no zlib.h (a317c06 Harlan Stenn) o Fix autoconf bracket issues; make check for getaddrinfo include netdb.h (833e5e9 Harlan Stenn) o Correct an AM_CFLAGS to an AM_CPPFLAGS in test/Makefile.am (9c469db Dave Hart) o Fix make distcheck & installation of libevent 1 headers (b5a1f9f Dave Hart) o Fix compilation under LLVM/clang with --enable-gcc-warnings (ad9ff58 Sebastian Hahn) FEATURES: o Make URI parser able to tolerate nonconformant URIs. (95060b5) DOCUMENTATION: o Clarify event_set_mem_functions doc (926f816) o Correct evhttp_del_accept_socket documentation on whether socket is closed (f665924) o fix spelling mistake in whatsnew-2.0.txt (deb2f73) o Fix sample/http-server ipv6 fixes (eb692be) o Comment internal headers used in sample code. (4eb281c) o Be explicit about how long event loops run in event.h documentation (f95bafb) o Add comment to configure.in to explain gc-sections test logic (c621359) o Fix a couple of memory leaks in samples/http-server.c. Found by Dave Hart. (2e9f665) BUILD IMPROVEMENTS: Libevent 2.1.2-alpha modernizes Libevent's use of autotools, and makes numerous other build system. Parallel builds should be faster, and all builds should be quieter. o Split long lists in Makefile.am into one-item-per-line (2711cda) o Remove unnecessary code in configure.in. (e65914f Ross Lagerwall) o attempt to support OpenSSL in Makefile.nmake (eba0eb2 Patrick Pelletier) o Use newer syntax for autoconf/automake init (7d60ba8) o Enable silent build rules by default. Override with V=1 (7b18e5c) o Switch to non-recursive makefiles (7092f3b) o Rename subordinate Makefile.ams to include.am (6cdfeeb) o Make quiet build even quieter (371a123) o New --quiet option for event_rpcgen.py (aa59c1e) o Be quiet when making regress.gen.[ch] (607a8ff) o Fix handling of no-python case for nonrecursive make (1e3123d) o We now require automake 1.9 or later. Modernize! (b7f6e89) o Rename configure.in to configure.ac. (b3fea67 Ross Lagerwall) o Use correct openssl libs and includes in pkgconfig file (d70af27) o Use the same CFLAGS for openssl when building unit tests as with libevent (1d9d511) DOCUMENTATION o Note that make_base_notifiable should not be necessary (26ee5f9) o Be more clear that LEV_OPT_DEFERRED_ACCEPT has tricky prereqs (371efeb) o Add caveat to docs about bufferevent_free() with data in outbuf (6fab9ee) o Make it more clear that NOLOCK means "I promise, no multithreading" (9444524) o Fix a comment in test-fdleak after 077c7e949. (3881d8f Ross Lagerwall) o Make the Makefile.nmake warning slightly less dire (e7bf4c8) o Fix typo : events instead of evets (05f1aca Azat Khuzhin) o Additional comments about OPENSSL_DIR variable, prompted by Dave Hart (6bde2ef Patrick Pelletier) EVHTTP: o ignore LWS after field-content in headers (370a2c0 Artem Germanov) o Clean up rtrim implementation (aa59d80) o Remove trailing tabs in HTTP headers as well. (ac42519) o Remove internal ws from multiline http headers correctly (c6ff381) o Move evutil_rtrim_lws_ to evutil.c where it belongs (61b93af) o add evhttp_request_get_response_code_line (4f4d0c9 Jay R. Wren) o Use EVUTIL_SOCKET_ERROR() wrapper to save/restore errno in evhttp_connection_fail_ (7afbd60) o preserve errno in evhttp_connection_fail_ for inspection by the callback (36d0ee5 Patrick Pelletier) BUGFIXES: o Correctly handle running on a system where accept4 doesn't work. (9fbfe9b) o Avoid double-free on error in evbuffer_add_file. Found by coverity. (6a81b1f) o Fix another possible uninitialized read in dns regression tests. Found by coverity. (13525c5) o Add checks for functions in test-ratelim.c; found by Coverity (aa501e1) o Avoid memory leak in test_event_calloc unit test; found by coverity (92817a1) o Fix a shadowed variable in addfile_test_readcb; found by coverity (225344c) o Check return value when using LEV_OPT_DEFERRED_ACCEPT. Found by coverity (6487f63) o Prevent reference leak of bufferevent if getaddrinfo fails. (b757786 Joachim Bauch) o Make event_base_getnpriorities work with old "implicit base" code (c46cb9c) o Simplify and correct evutil_open_closeonexec_ (0de587f) o Fix event_dlist definition when sys/queue not included (81b6209 Derrick Pallas) Changes in version 2.1.1-alpha (4 Apr 2012) Libevent 2.1.1-alpha includes a number of new features and performance improvements. The log below tries to organize them by rough area of effect. It omits some commits which were pure bugfixes on other commits listed below. For more detail, see the git changelogs. For more insight, see the "whatsnew-2.1.txt" document included in the Libevent 2.1.1-alpha distribution. Performance: Core o Replace several TAILQ users with LIST. LIST can be a little faster than TAILQ for cases where we don't need queue-like behavior. (f9db33d, 6494772, d313c29, 974d004) o Disabled code to optimize the case where we reinsert an existing timeout (e47042f, 09cbc3d) o Remove a needless base-notify when rescheduling the first timeout (77a96fd) o Save a needless comparison when removing/adjusting timeouts (dd5189b) o Possible optimization: split event_queue_insert/remove into separate functions. needs testing (efc4dc5) o Make event_count maintenance branchless at the expense of an extra shift. Needs benchmarking (d1cee3b) o In the 2.1 branch, let's try out lazy gettimeofday/clock_gettime comparison (2a83ecc) o Optimization in event_process_active(): ignore maxcb & endtime for highest priority events. (a9866aa Alexander Drozdov) o Bypass event_add when using event_base_once() for a 0-sec timeout (35c5c95) o Remove the eventqueue list and the ev_next pointers. (604569b 066775e) Performance: Evbuffers o Roughly 20% speed increase when line-draining a buffer using EVBUFFER_EOL_CRLF (5dde0f0 Mina Naguib) o Try to squeeze a little more speed out of EVBUFFER_EOL_CRLF (7b9d139) o Fix a bug in the improved EOL_CRLF code (d927965) o Remove a needless branch in evbuffer_drain() (d19a326) Performance: Linux o Infrastructure for using faster/fewer syscalls when creating sockets (a1c042b) o Minimize syscalls during socket creation in listener.c (7e9e289) o Use a wrapper function to create the notification pipe/socketpair/eventfd (ca76cd9) o Use pipes for telling signals to main thread when possible (a35f396) o Save syscalls when constructing listener sockets for evhttp (af6c9d8) o Save some syscalls when creating evdns sockets (713e570) o Save some syscalls when constructing a socket for a bufferevent (33fca62) o Prefer epoll_create1 on Linuxen that have it (bac906c) Performance: Epoll backend o Use current event set rather than current pending change when deciding whether to no-op a del (04ba27e Mike Smellie) o Replace big chain of if/thens in epoll.c with a table lookup (8c83eb6) o Clean up error handling in epoll_apply_one_change() a little (2d55a19) Performance: Evport backend o evport: use evmap_io to track fdinfo status. Should save time and RAM. (4687ce4) o evport: Remove a linear search over recent events when reactivating them (0f77efe) o evport: Use portev_user to remember fdinfo struct (276ec0e) o evport: don't scan more events in ed_pending than needed (849a5cf) o evport: Remove artificial low limit on max events per getn call (c04d927) o Reenable main/many_events_slow_add for evport in 2.1 (e903db3) Performance: Windows o Use GetSystemTimeAsFileTime to implement gettimeofday on win32. It's faster and more accurate than our old approach. (b8b8aa5) New functions and features: debugging o Add event_enable_debug_logging() to control use of debug logs (e30a82f) New functions and features: core o Add event_config function to limit time/callbacks between calls to dispatch (fd4de1e, 9fa56bd, a37a0c0, 3c63edd) o New EVLOOP_NO_EXIT_ON_EMPTY option to keep looping even when no events are pending (084e68f) o Add event_base_get_npriorities() function. (ee3a4ee Alexander Drozdov) o Make evbase_priority_init() and evbase_get_npriorities() threadsafe (3c55b5e) o New event_base_update_cache_time() to set cached_tv to current time (212533e Abel Mathew) o Add event_self_cbarg() to be used in conjunction with event_new(). (ed36e6a Ross Lagerwall, fa931bb, 09a1906, 1338e6c, 33e43ef) o Add a new libevent_global_shutdown() to free all globals before exiting. (041ca00 Mark Ellzey, f98c158, 15296d0, 55e991b) o Use getifaddrs to detect our interfaces if possible (7085a45) o Add event_base_get_running_event() to get the event* whose cb we are in (c5732fd, 13dad99) New functions and features: building o Implement --enable-gcc-hardening configure option (7550267 Sebastian Hahn) New functions and features: evbuffers o Add evbuffer_add_file_segment() so one fd can be used efficiently in more than one evbuffer_add_file at a time (e72afae, c2d9884, 3f405d2, 0aad014) o Fix windows file segment mappings (8254de7) o Allow evbuffer_ptr_set to yield a point just after the end of the buffer. (e6fe1da) o Allow evbuffer_ptr to point to position 0 in an empty evbuffer (7aeb2fd Nir Soffer) o Set the special "not found" evbuffer_ptr consistently. (e3e97ae Nir Soffer) o support adding buffers to other buffers non-destructively (9d7368a Joachim Bauch) o prevent nested multicast references, reworked locking (26041a8 Joachim Bauch) o New EVBUFFER_EOL_NUL to read NUL-terminated strings from an evbuffer (d7a8b36 Andrea Montefusco, 54142c9) o Make evbuffer_file_segment_types adaptable (c6bbbf1) o Added evbuffer_add_iovec and unit tests. (aaec5ac Mark Ellzey, 27b5398) o Add evbuffer_copyout_from to copy data from the middle of a buffer (27e2225) New functions and features: bufferevents o Allow users to set allow_dirty_shutdown (099d27d Catalin Patulea) o Tweak allow_dirty_shutdown documentation (a44cd2b) o Fix two issues in the allow_dirty_shutdown code. (f3b89de) o Add a bufferevent_getcb() to find a bufferevent's current callbacks (a650394) o bufferevent: Add functions to set/get max_single_read/write values. (998c813 Alexander Drozdov) o bev_ssl: Be more specific in event callbacks. evhttp in particular gets confused without at least one of BEV_EVENT_{READING|WRITING}. (f7eb69a Catalin Patulea) New functions and features: evconnlisteners o Support TCP_DEFER_ACCEPT sockopts for listeners (5880e4a Mark Ellzey, a270728) o Add another caveat to the TCP_DEFER_ACCEPT documentation (a270728) o Allow evconnlistener to be created in disabled state. (9593a33 Alexander Drozdov) o The LEV_OPT_CLOSE_ON_EXEC flag now applies to accepted listener sockets too (4970329) Evhttp: o Add new evhttp_{connection_}set_timeout_tv() functions to set finger-grained http timeouts (6350e6c Constantine Verutin) o Performance tweak to evhttp_parse_request_line. (aee1a97 Mark Ellzey) o Add missing break to evhttp_parse_request_line (0fcc536) o Add evhttp callback for bufferevent creation; this lets evhttp support SSL. (8d3a850) o Remove calls to deprecated bufferevent functions from evhttp.c (4d63758) o evhttp: Add evhttp_foreach_bound_socket. (a2c48e3 Samy Al Bahra) Build improvements: o Add AC_USE_SYSTEM_EXTENSIONS to configure.in. Requires follow on patches for correctness and robustness. (1fa7dbe Kevin Bowling) o Filter '# define' statements from autoconf and generate event-private.h (321b558 Kevin Bowling) o Remove internal usage of _GNU_SOURCE (3b26541 Kevin Bowling) o Eliminate a couple more manual internal _GNU_SOURCE defines (c51ef93 Kevin Bowling) o Add AC_GNU_SOURCE to the fallback case. (ea8fa4c Kevin Bowling) o Use a Configuration Header Template for evconfig-private.h (868f888 Kevin Bowling) o Fix a comment warning and add evconfig-private.h to .gitignore (f6d66bc Kevin Bowling) o Include evconfig-private.h in internal files for great good. (0915ca0 Kevin Bowling) o Backport libevent to vanilla Autoconf 2.59 (as used in RHEL5) (ad03952 Kevin Bowling) o Prefer the ./configure evconfig-private.h in MinGW, just in case. (f964b72 Kevin Bowling) o Shell hack for weird mkdir -p commands (fd7b5a8 Kevin Bowling) o Add evconfig-private to remaining files (ded0a09 Kevin Bowling) o Allow use of --enable-silent-rules for quieter compilation with automake 1.11 (f1f8514 Dave Hart) o Use "_WIN32", not WIN32: it's standard and we don't need to fake it (9f560b) o In configure, test for _WIN32 not WIN32. (85078b1 Peter Rosin) o Do not define WIN32 in Makefile.nmake (d41f3ea Peter Rosin) o Provide the autoconf m4 macros for the new OpenSSL via pkg-config stuff. (674dc3d Harlan Stenn) o Use pkg-config (if available) to handle OpenSSL. (1c63860 Harlan Stenn) o We need AM_CPPFLAGS when compiling bufferevent_openssl.c (6d2613b Harlan Stenn) o Fix OSX build: $(OPENSSL_INCS) needs to be after $(AM_CPPFLAGS). (46f1769 Zack Weinberg) o Make gcc warnings on by default, and --enable-gcc-warnings only add -Werror (d46517e Sebastian Hahn) o Split up extra-long AC_CHECK_FUNCS/HEADERS lines in configure.in (88a30ad) o Move libevent 1.x headers to include/, to put all public headers in one place. (bbea8d6) o Put #ifdef around some files to support alternate build systems. (76d4c92 Ross Lagerwall) o Also make win32select.c conditional for IDE users (bf2c5a7) Debugging: o Add a magic number to debug_locks to better catch lock-coding errors. (b4a29c0 Dave Hart) o munge the debug_lock signature before freeing it: it might help us catch use-after-free (f28084d) o Added --enable-event-debugging in configure (bc7b4e4, a9c2c9a Mark Ellzey) o Debug addition for printing usec on TIMEOUT debugging. (ac43ce0 Mark Ellzey) o Added usec debug in another area for debug (3baab0d Mark Ellzey) o added timeout debug logs to include event ptr. (4b7d298 Mark Ellzey) o more event dbg updates (6727543 Mark Ellzey) o Clarify event_enable_debug_logging a little (6207826) o Make --enable-verbose-debug option match its help text (10c3450) o Add argument checks to some memory functions in `event.c'. (c8953d1 Mansour Moufid) Testing: o More abstraction in test.sh (cd74c4e) o Add failing test for evbuffer_search_range. (8e26154 Nir Soffer) o Tweaks to return types with end-of-buf ptrs (9ab8ab8) o Add an (internal) usleep function for use by unit tests (f25d9d3) o Synchronize with upstream tinytest (6c81be7) o Make test-changelist faster (7622d26) o Reduce the timeout in the main/fork test. (ab14f7c) o New evhttp function to adjust initial retry timeout (350a3c4) o Make regression tests run over 3x faster. (67a1763) o Use test_timeval_diff_eq more consistently (b77b43f) o Allow more slop in deferred_cb_skew test; freebsd needs it (b9f7e5f) o When including an -internal.h header outside the main tree, do so early (95e2455) o Add a new test: test-fdleak which tests for fd leaks by creating many sockets. (2ef9278 Ross Lagerwall, f7af194, 1c4288f, etc) o Add a unit test for event_base_dump_events() (7afe48a, 8d08cce) o Test more bufferevent_ratelim features (c24f91a) Documentation: o Improve evbuffer_ptr documentation (261ba63) o added comments to describe refcounting of multicast chains (ba24f61 Joachim Bauch) o Add doxygen for event_base_dump_events (cad5753) OSX: o Use "unlimited select" on OSX so that we can have more than FD_SETSIZE fds (1fb5cc6) KQueue: o Use SIG_IGN instead of a do-nothing handler for signal events with kqueue (148458e Zack Weinberg) evprc: o event_rpcgen.py now prints status information to stdout and errors to stderr. (ffb0ba0 Ross Lagerwall) Code improvement and refactoring: o Make event_reinit() more robust and maintainable (272033e) o Restore fast-path event_reinit() for slower backends (2c4b5de) o Check changelist as part of checking representational integrity (39b3f38) o Fix a compile warning in event_reinit (e4a56ed Sebastian Hahn) o Refactor the functions that run over every event. (c89b4e6) o Remove the last vestiges of _EVENT_USE_EVENTLIST (a3cec90) o Make event-config.h depend on Makefile.am (2958a5c) Build fixes: o Don't do clang version detection when disabling some flags (083296b Sebastian Hahn) C standards conformance: o Check for NULL return on win32 mm_calloc, and set ENOMEM. (af7ba69) o Convert event-config.h macros to avoid reserved identifiers (68120d9) o Generate event-config.h using the correct macros. (f82c57e) o Convert include-guard macro convention to avoid reserved identifiers (3f8c7cd) o Make event_rpcgen.py output conform to identifier conventions (372bff1) o Stop referring to an obsolete include guard in bench_http.h (5c0f7e0) o Make the generated event-config.h use correct include guards (639383a) o Fix all identifiers with names beginning with underscore. (cb9da0b) o Make event_rpcgen.py output conform to identifier conventions, more (bcefd24) o Fix some problems introduced by automated identifier cleanup script (c963534) o Have all visible internal function names end with an underscore. (8ac3c4c) o Apply the naming convention to our EVUTIL_IS* functions (c7848fa) o Clean up lingering _identifiers. (946b584) o Fix doxygen to use new macro conventions (da455e9) Bugfixes: o Do not use system EAI/AI values if we are not using the system getaddrinfo. (7bcac07) Sample Code: o Fix up sample/event-test.c to use newer interfaces and make it actually work. (19bab4f Ross Lagerwall) o On Unix, remove event.fifo left by sample/event-test.c. (c0dacd2 Ross Lagerwall) o Rename event-test.c to event-read-fifo.c. (a5b370a Ross Lagerwall) o event-read-fifo: Use EV_PERSIST appropriately (24dab0b) lldpd-1.0.18/libevent/openssl-compat.h0000644000076400001440000000260114111362570017062 0ustar00bernatusers#ifndef OPENSSL_COMPAT_H #define OPENSSL_COMPAT_H #include #include "util-internal.h" #if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \ (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L) static inline BIO_METHOD *BIO_meth_new(int type, const char *name) { BIO_METHOD *biom = calloc(1, sizeof(BIO_METHOD)); if (biom != NULL) { biom->type = type; biom->name = name; } return biom; } #define BIO_meth_set_write(b, f) (b)->bwrite = (f) #define BIO_meth_set_read(b, f) (b)->bread = (f) #define BIO_meth_set_puts(b, f) (b)->bputs = (f) #define BIO_meth_set_ctrl(b, f) (b)->ctrl = (f) #define BIO_meth_set_create(b, f) (b)->create = (f) #define BIO_meth_set_destroy(b, f) (b)->destroy = (f) #define BIO_set_init(b, val) (b)->init = (val) #define BIO_set_data(b, val) (b)->ptr = (val) #define BIO_set_shutdown(b, val) (b)->shutdown = (val) #define BIO_get_init(b) (b)->init #define BIO_get_data(b) (b)->ptr #define BIO_get_shutdown(b) (b)->shutdown #define TLS_method SSLv23_method #define X509_getm_notBefore X509_get_notBefore #define X509_getm_notAfter X509_get_notAfter #endif /* (OPENSSL_VERSION_NUMBER < 0x10100000L) || \ (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L) */ #if defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER >= 0x20700000L #define BIO_get_init(b) (b)->init #endif #endif /* OPENSSL_COMPAT_H */ lldpd-1.0.18/libevent/bufferevent_openssl.c0000644000076400001440000011564014111362570020177 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ // Get rid of OSX 10.7 and greater deprecation warnings. #if defined(__APPLE__) && defined(__clang__) #pragma clang diagnostic ignored "-Wdeprecated-declarations" #endif #include "event2/event-config.h" #include "evconfig-private.h" #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #include #include #include #ifdef EVENT__HAVE_STDARG_H #include #endif #ifdef EVENT__HAVE_UNISTD_H #include #endif #ifdef _WIN32 #include #endif #include "event2/bufferevent.h" #include "event2/bufferevent_struct.h" #include "event2/bufferevent_ssl.h" #include "event2/buffer.h" #include "event2/event.h" #include "mm-internal.h" #include "bufferevent-internal.h" #include "log-internal.h" #include #include #include "openssl-compat.h" /* * Define an OpenSSL bio that targets a bufferevent. */ /* -------------------- A BIO is an OpenSSL abstraction that handles reading and writing data. The library will happily speak SSL over anything that implements a BIO interface. Here we define a BIO implementation that directs its output to a bufferevent. We'll want to use this only when none of OpenSSL's built-in IO mechanisms work for us. -------------------- */ /* every BIO type needs its own integer type value. */ #define BIO_TYPE_LIBEVENT 57 /* ???? Arguably, we should set BIO_TYPE_FILTER or BIO_TYPE_SOURCE_SINK on * this. */ #if 0 static void print_err(int val) { int err; printf("Error was %d\n", val); while ((err = ERR_get_error())) { const char *msg = (const char*)ERR_reason_error_string(err); const char *lib = (const char*)ERR_lib_error_string(err); const char *func = (const char*)ERR_func_error_string(err); printf("%s in %s %s\n", msg, lib, func); } } #else #define print_err(v) ((void)0) #endif /* Called to initialize a new BIO */ static int bio_bufferevent_new(BIO *b) { BIO_set_init(b, 0); BIO_set_data(b, NULL); /* We'll be putting the bufferevent in this field.*/ return 1; } /* Called to uninitialize the BIO. */ static int bio_bufferevent_free(BIO *b) { if (!b) return 0; if (BIO_get_shutdown(b)) { if (BIO_get_init(b) && BIO_get_data(b)) bufferevent_free(BIO_get_data(b)); BIO_free(b); } return 1; } /* Called to extract data from the BIO. */ static int bio_bufferevent_read(BIO *b, char *out, int outlen) { int r = 0; struct evbuffer *input; BIO_clear_retry_flags(b); if (!out) return 0; if (!BIO_get_data(b)) return -1; input = bufferevent_get_input(BIO_get_data(b)); if (evbuffer_get_length(input) == 0) { /* If there's no data to read, say so. */ BIO_set_retry_read(b); return -1; } else { r = evbuffer_remove(input, out, outlen); } return r; } /* Called to write data into the BIO */ static int bio_bufferevent_write(BIO *b, const char *in, int inlen) { struct bufferevent *bufev = BIO_get_data(b); struct evbuffer *output; size_t outlen; BIO_clear_retry_flags(b); if (!BIO_get_data(b)) return -1; output = bufferevent_get_output(bufev); outlen = evbuffer_get_length(output); /* Copy only as much data onto the output buffer as can fit under the * high-water mark. */ if (bufev->wm_write.high && bufev->wm_write.high <= (outlen+inlen)) { if (bufev->wm_write.high <= outlen) { /* If no data can fit, we'll need to retry later. */ BIO_set_retry_write(b); return -1; } inlen = bufev->wm_write.high - outlen; } EVUTIL_ASSERT(inlen > 0); evbuffer_add(output, in, inlen); return inlen; } /* Called to handle various requests */ static long bio_bufferevent_ctrl(BIO *b, int cmd, long num, void *ptr) { struct bufferevent *bufev = BIO_get_data(b); long ret = 1; switch (cmd) { case BIO_CTRL_GET_CLOSE: ret = BIO_get_shutdown(b); break; case BIO_CTRL_SET_CLOSE: BIO_set_shutdown(b, (int)num); break; case BIO_CTRL_PENDING: ret = evbuffer_get_length(bufferevent_get_input(bufev)) != 0; break; case BIO_CTRL_WPENDING: ret = evbuffer_get_length(bufferevent_get_output(bufev)) != 0; break; /* XXXX These two are given a special-case treatment because * of cargo-cultism. I should come up with a better reason. */ case BIO_CTRL_DUP: case BIO_CTRL_FLUSH: ret = 1; break; default: ret = 0; break; } return ret; } /* Called to write a string to the BIO */ static int bio_bufferevent_puts(BIO *b, const char *s) { return bio_bufferevent_write(b, s, strlen(s)); } /* Method table for the bufferevent BIO */ static BIO_METHOD *methods_bufferevent; /* Return the method table for the bufferevents BIO */ static BIO_METHOD * BIO_s_bufferevent(void) { if (methods_bufferevent == NULL) { methods_bufferevent = BIO_meth_new(BIO_TYPE_LIBEVENT, "bufferevent"); if (methods_bufferevent == NULL) return NULL; BIO_meth_set_write(methods_bufferevent, bio_bufferevent_write); BIO_meth_set_read(methods_bufferevent, bio_bufferevent_read); BIO_meth_set_puts(methods_bufferevent, bio_bufferevent_puts); BIO_meth_set_ctrl(methods_bufferevent, bio_bufferevent_ctrl); BIO_meth_set_create(methods_bufferevent, bio_bufferevent_new); BIO_meth_set_destroy(methods_bufferevent, bio_bufferevent_free); } return methods_bufferevent; } /* Create a new BIO to wrap communication around a bufferevent. If close_flag * is true, the bufferevent will be freed when the BIO is closed. */ static BIO * BIO_new_bufferevent(struct bufferevent *bufferevent) { BIO *result; if (!bufferevent) return NULL; if (!(result = BIO_new(BIO_s_bufferevent()))) return NULL; BIO_set_init(result, 1); BIO_set_data(result, bufferevent); /* We don't tell the BIO to close the bufferevent; we do it ourselves on * be_openssl_destruct() */ BIO_set_shutdown(result, 0); return result; } /* -------------------- Now, here's the OpenSSL-based implementation of bufferevent. The implementation comes in two flavors: one that connects its SSL object to an underlying bufferevent using a BIO_bufferevent, and one that has the SSL object connect to a socket directly. The latter should generally be faster, except on Windows, where your best bet is using a bufferevent_async. (OpenSSL supports many other BIO types, too. But we can't use any unless we have a good way to get notified when they become readable/writable.) -------------------- */ struct bio_data_counts { unsigned long n_written; unsigned long n_read; }; struct bufferevent_openssl { /* Shared fields with common bufferevent implementation code. If we were set up with an underlying bufferevent, we use the events here as timers only. If we have an SSL, then we use the events as socket events. */ struct bufferevent_private bev; /* An underlying bufferevent that we're directing our output to. If it's NULL, then we're connected to an fd, not an evbuffer. */ struct bufferevent *underlying; /* The SSL object doing our encryption. */ SSL *ssl; /* A callback that's invoked when data arrives on our outbuf so we know to write data to the SSL. */ struct evbuffer_cb_entry *outbuf_cb; /* A count of how much data the bios have read/written total. Used for rate-limiting. */ struct bio_data_counts counts; /* If this value is greater than 0, then the last SSL_write blocked, * and we need to try it again with this many bytes. */ ev_ssize_t last_write; #define NUM_ERRORS 3 ev_uint32_t errors[NUM_ERRORS]; /* When we next get available space, we should say "read" instead of "write". This can happen if there's a renegotiation during a read operation. */ unsigned read_blocked_on_write : 1; /* When we next get data, we should say "write" instead of "read". */ unsigned write_blocked_on_read : 1; /* Treat TCP close before SSL close on SSL >= v3 as clean EOF. */ unsigned allow_dirty_shutdown : 1; /* XXX */ unsigned n_errors : 2; /* Are we currently connecting, accepting, or doing IO? */ unsigned state : 2; /* If we reset fd, we sould reset state too */ unsigned old_state : 2; }; static int be_openssl_enable(struct bufferevent *, short); static int be_openssl_disable(struct bufferevent *, short); static void be_openssl_unlink(struct bufferevent *); static void be_openssl_destruct(struct bufferevent *); static int be_openssl_adj_timeouts(struct bufferevent *); static int be_openssl_flush(struct bufferevent *bufev, short iotype, enum bufferevent_flush_mode mode); static int be_openssl_ctrl(struct bufferevent *, enum bufferevent_ctrl_op, union bufferevent_ctrl_data *); const struct bufferevent_ops bufferevent_ops_openssl = { "ssl", evutil_offsetof(struct bufferevent_openssl, bev.bev), be_openssl_enable, be_openssl_disable, be_openssl_unlink, be_openssl_destruct, be_openssl_adj_timeouts, be_openssl_flush, be_openssl_ctrl, }; /* Given a bufferevent, return a pointer to the bufferevent_openssl that * contains it, if any. */ static inline struct bufferevent_openssl * upcast(struct bufferevent *bev) { struct bufferevent_openssl *bev_o; if (!BEV_IS_OPENSSL(bev)) return NULL; bev_o = (void*)( ((char*)bev) - evutil_offsetof(struct bufferevent_openssl, bev.bev)); EVUTIL_ASSERT(BEV_IS_OPENSSL(&bev_o->bev.bev)); return bev_o; } static inline void put_error(struct bufferevent_openssl *bev_ssl, unsigned long err) { if (bev_ssl->n_errors == NUM_ERRORS) return; /* The error type according to openssl is "unsigned long", but openssl never uses more than 32 bits of it. It _can't_ use more than 32 bits of it, since it needs to report errors on systems where long is only 32 bits. */ bev_ssl->errors[bev_ssl->n_errors++] = (ev_uint32_t) err; } /* Have the base communications channel (either the underlying bufferevent or * ev_read and ev_write) start reading. Take the read-blocked-on-write flag * into account. */ static int start_reading(struct bufferevent_openssl *bev_ssl) { if (bev_ssl->underlying) { bufferevent_unsuspend_read_(bev_ssl->underlying, BEV_SUSPEND_FILT_READ); return 0; } else { struct bufferevent *bev = &bev_ssl->bev.bev; int r; r = bufferevent_add_event_(&bev->ev_read, &bev->timeout_read); if (r == 0 && bev_ssl->read_blocked_on_write) r = bufferevent_add_event_(&bev->ev_write, &bev->timeout_write); return r; } } /* Have the base communications channel (either the underlying bufferevent or * ev_read and ev_write) start writing. Take the write-blocked-on-read flag * into account. */ static int start_writing(struct bufferevent_openssl *bev_ssl) { int r = 0; if (bev_ssl->underlying) { if (bev_ssl->write_blocked_on_read) { bufferevent_unsuspend_read_(bev_ssl->underlying, BEV_SUSPEND_FILT_READ); } } else { struct bufferevent *bev = &bev_ssl->bev.bev; r = bufferevent_add_event_(&bev->ev_write, &bev->timeout_write); if (!r && bev_ssl->write_blocked_on_read) r = bufferevent_add_event_(&bev->ev_read, &bev->timeout_read); } return r; } static void stop_reading(struct bufferevent_openssl *bev_ssl) { if (bev_ssl->write_blocked_on_read) return; if (bev_ssl->underlying) { bufferevent_suspend_read_(bev_ssl->underlying, BEV_SUSPEND_FILT_READ); } else { struct bufferevent *bev = &bev_ssl->bev.bev; event_del(&bev->ev_read); } } static void stop_writing(struct bufferevent_openssl *bev_ssl) { if (bev_ssl->read_blocked_on_write) return; if (bev_ssl->underlying) { bufferevent_unsuspend_read_(bev_ssl->underlying, BEV_SUSPEND_FILT_READ); } else { struct bufferevent *bev = &bev_ssl->bev.bev; event_del(&bev->ev_write); } } static int set_rbow(struct bufferevent_openssl *bev_ssl) { if (!bev_ssl->underlying) stop_reading(bev_ssl); bev_ssl->read_blocked_on_write = 1; return start_writing(bev_ssl); } static int set_wbor(struct bufferevent_openssl *bev_ssl) { if (!bev_ssl->underlying) stop_writing(bev_ssl); bev_ssl->write_blocked_on_read = 1; return start_reading(bev_ssl); } static int clear_rbow(struct bufferevent_openssl *bev_ssl) { struct bufferevent *bev = &bev_ssl->bev.bev; int r = 0; bev_ssl->read_blocked_on_write = 0; if (!(bev->enabled & EV_WRITE)) stop_writing(bev_ssl); if (bev->enabled & EV_READ) r = start_reading(bev_ssl); return r; } static int clear_wbor(struct bufferevent_openssl *bev_ssl) { struct bufferevent *bev = &bev_ssl->bev.bev; int r = 0; bev_ssl->write_blocked_on_read = 0; if (!(bev->enabled & EV_READ)) stop_reading(bev_ssl); if (bev->enabled & EV_WRITE) r = start_writing(bev_ssl); return r; } static void conn_closed(struct bufferevent_openssl *bev_ssl, int when, int errcode, int ret) { int event = BEV_EVENT_ERROR; int dirty_shutdown = 0; unsigned long err; switch (errcode) { case SSL_ERROR_ZERO_RETURN: /* Possibly a clean shutdown. */ if (SSL_get_shutdown(bev_ssl->ssl) & SSL_RECEIVED_SHUTDOWN) event = BEV_EVENT_EOF; else dirty_shutdown = 1; break; case SSL_ERROR_SYSCALL: /* IO error; possibly a dirty shutdown. */ if ((ret == 0 || ret == -1) && ERR_peek_error() == 0) dirty_shutdown = 1; put_error(bev_ssl, errcode); break; case SSL_ERROR_SSL: /* Protocol error. */ put_error(bev_ssl, errcode); break; case SSL_ERROR_WANT_X509_LOOKUP: /* XXXX handle this. */ put_error(bev_ssl, errcode); break; case SSL_ERROR_NONE: case SSL_ERROR_WANT_READ: case SSL_ERROR_WANT_WRITE: case SSL_ERROR_WANT_CONNECT: case SSL_ERROR_WANT_ACCEPT: default: /* should be impossible; treat as normal error. */ event_warnx("BUG: Unexpected OpenSSL error code %d", errcode); break; } while ((err = ERR_get_error())) { put_error(bev_ssl, err); } if (dirty_shutdown && bev_ssl->allow_dirty_shutdown) event = BEV_EVENT_EOF; stop_reading(bev_ssl); stop_writing(bev_ssl); /* when is BEV_EVENT_{READING|WRITING} */ event = when | event; bufferevent_run_eventcb_(&bev_ssl->bev.bev, event, 0); } static void init_bio_counts(struct bufferevent_openssl *bev_ssl) { BIO *rbio, *wbio; wbio = SSL_get_wbio(bev_ssl->ssl); bev_ssl->counts.n_written = wbio ? BIO_number_written(wbio) : 0; rbio = SSL_get_rbio(bev_ssl->ssl); bev_ssl->counts.n_read = rbio ? BIO_number_read(rbio) : 0; } static inline void decrement_buckets(struct bufferevent_openssl *bev_ssl) { unsigned long num_w = BIO_number_written(SSL_get_wbio(bev_ssl->ssl)); unsigned long num_r = BIO_number_read(SSL_get_rbio(bev_ssl->ssl)); /* These next two subtractions can wrap around. That's okay. */ unsigned long w = num_w - bev_ssl->counts.n_written; unsigned long r = num_r - bev_ssl->counts.n_read; if (w) bufferevent_decrement_write_buckets_(&bev_ssl->bev, w); if (r) bufferevent_decrement_read_buckets_(&bev_ssl->bev, r); bev_ssl->counts.n_written = num_w; bev_ssl->counts.n_read = num_r; } #define OP_MADE_PROGRESS 1 #define OP_BLOCKED 2 #define OP_ERR 4 /* Return a bitmask of OP_MADE_PROGRESS (if we read anything); OP_BLOCKED (if we're now blocked); and OP_ERR (if an error occurred). */ static int do_read(struct bufferevent_openssl *bev_ssl, int n_to_read) { /* Requires lock */ struct bufferevent *bev = &bev_ssl->bev.bev; struct evbuffer *input = bev->input; int r, n, i, n_used = 0, atmost; struct evbuffer_iovec space[2]; int result = 0; if (bev_ssl->bev.read_suspended) return 0; atmost = bufferevent_get_read_max_(&bev_ssl->bev); if (n_to_read > atmost) n_to_read = atmost; n = evbuffer_reserve_space(input, n_to_read, space, 2); if (n < 0) return OP_ERR; for (i=0; ibev.read_suspended) break; ERR_clear_error(); r = SSL_read(bev_ssl->ssl, space[i].iov_base, space[i].iov_len); if (r>0) { result |= OP_MADE_PROGRESS; if (bev_ssl->read_blocked_on_write) if (clear_rbow(bev_ssl) < 0) return OP_ERR | result; ++n_used; space[i].iov_len = r; decrement_buckets(bev_ssl); } else { int err = SSL_get_error(bev_ssl->ssl, r); print_err(err); switch (err) { case SSL_ERROR_WANT_READ: /* Can't read until underlying has more data. */ if (bev_ssl->read_blocked_on_write) if (clear_rbow(bev_ssl) < 0) return OP_ERR | result; break; case SSL_ERROR_WANT_WRITE: /* This read operation requires a write, and the * underlying is full */ if (!bev_ssl->read_blocked_on_write) if (set_rbow(bev_ssl) < 0) return OP_ERR | result; break; default: conn_closed(bev_ssl, BEV_EVENT_READING, err, r); break; } result |= OP_BLOCKED; break; /* out of the loop */ } } if (n_used) { evbuffer_commit_space(input, space, n_used); if (bev_ssl->underlying) BEV_RESET_GENERIC_READ_TIMEOUT(bev); } return result; } /* Return a bitmask of OP_MADE_PROGRESS (if we wrote anything); OP_BLOCKED (if we're now blocked); and OP_ERR (if an error occurred). */ static int do_write(struct bufferevent_openssl *bev_ssl, int atmost) { int i, r, n, n_written = 0; struct bufferevent *bev = &bev_ssl->bev.bev; struct evbuffer *output = bev->output; struct evbuffer_iovec space[8]; int result = 0; if (bev_ssl->last_write > 0) atmost = bev_ssl->last_write; else atmost = bufferevent_get_write_max_(&bev_ssl->bev); n = evbuffer_peek(output, atmost, NULL, space, 8); if (n < 0) return OP_ERR | result; if (n > 8) n = 8; for (i=0; i < n; ++i) { if (bev_ssl->bev.write_suspended) break; /* SSL_write will (reasonably) return 0 if we tell it to send 0 data. Skip this case so we don't interpret the result as an error */ if (space[i].iov_len == 0) continue; ERR_clear_error(); r = SSL_write(bev_ssl->ssl, space[i].iov_base, space[i].iov_len); if (r > 0) { result |= OP_MADE_PROGRESS; if (bev_ssl->write_blocked_on_read) if (clear_wbor(bev_ssl) < 0) return OP_ERR | result; n_written += r; bev_ssl->last_write = -1; decrement_buckets(bev_ssl); } else { int err = SSL_get_error(bev_ssl->ssl, r); print_err(err); switch (err) { case SSL_ERROR_WANT_WRITE: /* Can't read until underlying has more data. */ if (bev_ssl->write_blocked_on_read) if (clear_wbor(bev_ssl) < 0) return OP_ERR | result; bev_ssl->last_write = space[i].iov_len; break; case SSL_ERROR_WANT_READ: /* This read operation requires a write, and the * underlying is full */ if (!bev_ssl->write_blocked_on_read) if (set_wbor(bev_ssl) < 0) return OP_ERR | result; bev_ssl->last_write = space[i].iov_len; break; default: conn_closed(bev_ssl, BEV_EVENT_WRITING, err, r); bev_ssl->last_write = -1; break; } result |= OP_BLOCKED; break; } } if (n_written) { evbuffer_drain(output, n_written); if (bev_ssl->underlying) BEV_RESET_GENERIC_WRITE_TIMEOUT(bev); bufferevent_trigger_nolock_(bev, EV_WRITE, BEV_OPT_DEFER_CALLBACKS); } return result; } #define WRITE_FRAME 15000 #define READ_DEFAULT 4096 /* Try to figure out how many bytes to read; return 0 if we shouldn't be * reading. */ static int bytes_to_read(struct bufferevent_openssl *bev) { struct evbuffer *input = bev->bev.bev.input; struct event_watermark *wm = &bev->bev.bev.wm_read; int result = READ_DEFAULT; ev_ssize_t limit; /* XXX 99% of this is generic code that nearly all bufferevents will * want. */ if (bev->write_blocked_on_read) { return 0; } if (! (bev->bev.bev.enabled & EV_READ)) { return 0; } if (bev->bev.read_suspended) { return 0; } if (wm->high) { if (evbuffer_get_length(input) >= wm->high) { return 0; } result = wm->high - evbuffer_get_length(input); } else { result = READ_DEFAULT; } /* Respect the rate limit */ limit = bufferevent_get_read_max_(&bev->bev); if (result > limit) { result = limit; } return result; } /* Things look readable. If write is blocked on read, write till it isn't. * Read from the underlying buffer until we block or we hit our high-water * mark. */ static void consider_reading(struct bufferevent_openssl *bev_ssl) { int r; int n_to_read; int all_result_flags = 0; while (bev_ssl->write_blocked_on_read) { r = do_write(bev_ssl, WRITE_FRAME); if (r & (OP_BLOCKED|OP_ERR)) break; } if (bev_ssl->write_blocked_on_read) return; n_to_read = bytes_to_read(bev_ssl); while (n_to_read) { r = do_read(bev_ssl, n_to_read); all_result_flags |= r; if (r & (OP_BLOCKED|OP_ERR)) break; if (bev_ssl->bev.read_suspended) break; /* Read all pending data. This won't hit the network * again, and will (most importantly) put us in a state * where we don't need to read anything else until the * socket is readable again. It'll potentially make us * overrun our read high-watermark (somewhat * regrettable). The damage to the rate-limit has * already been done, since OpenSSL went and read a * whole SSL record anyway. */ n_to_read = SSL_pending(bev_ssl->ssl); /* XXX This if statement is actually a bad bug, added to avoid * XXX a worse bug. * * The bad bug: It can potentially cause resource unfairness * by reading too much data from the underlying bufferevent; * it can potentially cause read looping if the underlying * bufferevent is a bufferevent_pair and deferred callbacks * aren't used. * * The worse bug: If we didn't do this, then we would * potentially not read any more from bev_ssl->underlying * until more data arrived there, which could lead to us * waiting forever. */ if (!n_to_read && bev_ssl->underlying) n_to_read = bytes_to_read(bev_ssl); } if (all_result_flags & OP_MADE_PROGRESS) { struct bufferevent *bev = &bev_ssl->bev.bev; bufferevent_trigger_nolock_(bev, EV_READ, 0); } if (!bev_ssl->underlying) { /* Should be redundant, but let's avoid busy-looping */ if (bev_ssl->bev.read_suspended || !(bev_ssl->bev.bev.enabled & EV_READ)) { event_del(&bev_ssl->bev.bev.ev_read); } } } static void consider_writing(struct bufferevent_openssl *bev_ssl) { int r; struct evbuffer *output = bev_ssl->bev.bev.output; struct evbuffer *target = NULL; struct event_watermark *wm = NULL; while (bev_ssl->read_blocked_on_write) { r = do_read(bev_ssl, 1024); /* XXXX 1024 is a hack */ if (r & OP_MADE_PROGRESS) { struct bufferevent *bev = &bev_ssl->bev.bev; bufferevent_trigger_nolock_(bev, EV_READ, 0); } if (r & (OP_ERR|OP_BLOCKED)) break; } if (bev_ssl->read_blocked_on_write) return; if (bev_ssl->underlying) { target = bev_ssl->underlying->output; wm = &bev_ssl->underlying->wm_write; } while ((bev_ssl->bev.bev.enabled & EV_WRITE) && (! bev_ssl->bev.write_suspended) && evbuffer_get_length(output) && (!target || (! wm->high || evbuffer_get_length(target) < wm->high))) { int n_to_write; if (wm && wm->high) n_to_write = wm->high - evbuffer_get_length(target); else n_to_write = WRITE_FRAME; r = do_write(bev_ssl, n_to_write); if (r & (OP_BLOCKED|OP_ERR)) break; } if (!bev_ssl->underlying) { if (evbuffer_get_length(output) == 0) { event_del(&bev_ssl->bev.bev.ev_write); } else if (bev_ssl->bev.write_suspended || !(bev_ssl->bev.bev.enabled & EV_WRITE)) { /* Should be redundant, but let's avoid busy-looping */ event_del(&bev_ssl->bev.bev.ev_write); } } } static void be_openssl_readcb(struct bufferevent *bev_base, void *ctx) { struct bufferevent_openssl *bev_ssl = ctx; consider_reading(bev_ssl); } static void be_openssl_writecb(struct bufferevent *bev_base, void *ctx) { struct bufferevent_openssl *bev_ssl = ctx; consider_writing(bev_ssl); } static void be_openssl_eventcb(struct bufferevent *bev_base, short what, void *ctx) { struct bufferevent_openssl *bev_ssl = ctx; int event = 0; if (what & BEV_EVENT_EOF) { if (bev_ssl->allow_dirty_shutdown) event = BEV_EVENT_EOF; else event = BEV_EVENT_ERROR; } else if (what & BEV_EVENT_TIMEOUT) { /* We sure didn't set this. Propagate it to the user. */ event = what; } else if (what & BEV_EVENT_ERROR) { /* An error occurred on the connection. Propagate it to the user. */ event = what; } else if (what & BEV_EVENT_CONNECTED) { /* Ignore it. We're saying SSL_connect() already, which will eat it. */ } if (event) bufferevent_run_eventcb_(&bev_ssl->bev.bev, event, 0); } static void be_openssl_readeventcb(evutil_socket_t fd, short what, void *ptr) { struct bufferevent_openssl *bev_ssl = ptr; bufferevent_incref_and_lock_(&bev_ssl->bev.bev); if (what == EV_TIMEOUT) { bufferevent_run_eventcb_(&bev_ssl->bev.bev, BEV_EVENT_TIMEOUT|BEV_EVENT_READING, 0); } else { consider_reading(bev_ssl); } bufferevent_decref_and_unlock_(&bev_ssl->bev.bev); } static void be_openssl_writeeventcb(evutil_socket_t fd, short what, void *ptr) { struct bufferevent_openssl *bev_ssl = ptr; bufferevent_incref_and_lock_(&bev_ssl->bev.bev); if (what == EV_TIMEOUT) { bufferevent_run_eventcb_(&bev_ssl->bev.bev, BEV_EVENT_TIMEOUT|BEV_EVENT_WRITING, 0); } else { consider_writing(bev_ssl); } bufferevent_decref_and_unlock_(&bev_ssl->bev.bev); } static evutil_socket_t be_openssl_auto_fd(struct bufferevent_openssl *bev_ssl, evutil_socket_t fd) { if (!bev_ssl->underlying) { struct bufferevent *bev = &bev_ssl->bev.bev; if (event_initialized(&bev->ev_read) && fd < 0) { fd = event_get_fd(&bev->ev_read); } } return fd; } static int set_open_callbacks(struct bufferevent_openssl *bev_ssl, evutil_socket_t fd) { if (bev_ssl->underlying) { bufferevent_setcb(bev_ssl->underlying, be_openssl_readcb, be_openssl_writecb, be_openssl_eventcb, bev_ssl); return 0; } else { struct bufferevent *bev = &bev_ssl->bev.bev; int rpending=0, wpending=0, r1=0, r2=0; if (event_initialized(&bev->ev_read)) { rpending = event_pending(&bev->ev_read, EV_READ, NULL); wpending = event_pending(&bev->ev_write, EV_WRITE, NULL); event_del(&bev->ev_read); event_del(&bev->ev_write); } event_assign(&bev->ev_read, bev->ev_base, fd, EV_READ|EV_PERSIST|EV_FINALIZE, be_openssl_readeventcb, bev_ssl); event_assign(&bev->ev_write, bev->ev_base, fd, EV_WRITE|EV_PERSIST|EV_FINALIZE, be_openssl_writeeventcb, bev_ssl); if (rpending) r1 = bufferevent_add_event_(&bev->ev_read, &bev->timeout_read); if (wpending) r2 = bufferevent_add_event_(&bev->ev_write, &bev->timeout_write); return (r1<0 || r2<0) ? -1 : 0; } } static int do_handshake(struct bufferevent_openssl *bev_ssl) { int r; switch (bev_ssl->state) { default: case BUFFEREVENT_SSL_OPEN: EVUTIL_ASSERT(0); return -1; case BUFFEREVENT_SSL_CONNECTING: case BUFFEREVENT_SSL_ACCEPTING: ERR_clear_error(); r = SSL_do_handshake(bev_ssl->ssl); break; } decrement_buckets(bev_ssl); if (r==1) { evutil_socket_t fd = event_get_fd(&bev_ssl->bev.bev.ev_read); /* We're done! */ bev_ssl->state = BUFFEREVENT_SSL_OPEN; set_open_callbacks(bev_ssl, fd); /* XXXX handle failure */ /* Call do_read and do_write as needed */ bufferevent_enable(&bev_ssl->bev.bev, bev_ssl->bev.bev.enabled); bufferevent_run_eventcb_(&bev_ssl->bev.bev, BEV_EVENT_CONNECTED, 0); return 1; } else { int err = SSL_get_error(bev_ssl->ssl, r); print_err(err); switch (err) { case SSL_ERROR_WANT_WRITE: stop_reading(bev_ssl); return start_writing(bev_ssl); case SSL_ERROR_WANT_READ: stop_writing(bev_ssl); return start_reading(bev_ssl); default: conn_closed(bev_ssl, BEV_EVENT_READING, err, r); return -1; } } } static void be_openssl_handshakecb(struct bufferevent *bev_base, void *ctx) { struct bufferevent_openssl *bev_ssl = ctx; do_handshake(bev_ssl);/* XXX handle failure */ } static void be_openssl_handshakeeventcb(evutil_socket_t fd, short what, void *ptr) { struct bufferevent_openssl *bev_ssl = ptr; bufferevent_incref_and_lock_(&bev_ssl->bev.bev); if (what & EV_TIMEOUT) { bufferevent_run_eventcb_(&bev_ssl->bev.bev, BEV_EVENT_TIMEOUT, 0); } else do_handshake(bev_ssl);/* XXX handle failure */ bufferevent_decref_and_unlock_(&bev_ssl->bev.bev); } static int set_handshake_callbacks(struct bufferevent_openssl *bev_ssl, evutil_socket_t fd) { if (bev_ssl->underlying) { bufferevent_setcb(bev_ssl->underlying, be_openssl_handshakecb, be_openssl_handshakecb, be_openssl_eventcb, bev_ssl); if (fd < 0) return 0; if (bufferevent_setfd(bev_ssl->underlying, fd)) return 1; return do_handshake(bev_ssl); } else { struct bufferevent *bev = &bev_ssl->bev.bev; if (event_initialized(&bev->ev_read)) { event_del(&bev->ev_read); event_del(&bev->ev_write); } event_assign(&bev->ev_read, bev->ev_base, fd, EV_READ|EV_PERSIST|EV_FINALIZE, be_openssl_handshakeeventcb, bev_ssl); event_assign(&bev->ev_write, bev->ev_base, fd, EV_WRITE|EV_PERSIST|EV_FINALIZE, be_openssl_handshakeeventcb, bev_ssl); if (fd >= 0) bufferevent_enable(bev, bev->enabled); return 0; } } int bufferevent_ssl_renegotiate(struct bufferevent *bev) { struct bufferevent_openssl *bev_ssl = upcast(bev); if (!bev_ssl) return -1; if (SSL_renegotiate(bev_ssl->ssl) < 0) return -1; bev_ssl->state = BUFFEREVENT_SSL_CONNECTING; if (set_handshake_callbacks(bev_ssl, be_openssl_auto_fd(bev_ssl, -1)) < 0) return -1; if (!bev_ssl->underlying) return do_handshake(bev_ssl); return 0; } static void be_openssl_outbuf_cb(struct evbuffer *buf, const struct evbuffer_cb_info *cbinfo, void *arg) { struct bufferevent_openssl *bev_ssl = arg; int r = 0; /* XXX need to hold a reference here. */ if (cbinfo->n_added && bev_ssl->state == BUFFEREVENT_SSL_OPEN) { if (cbinfo->orig_size == 0) r = bufferevent_add_event_(&bev_ssl->bev.bev.ev_write, &bev_ssl->bev.bev.timeout_write); if (bev_ssl->underlying) consider_writing(bev_ssl); } /* XXX Handle r < 0 */ (void)r; } static int be_openssl_enable(struct bufferevent *bev, short events) { struct bufferevent_openssl *bev_ssl = upcast(bev); int r1 = 0, r2 = 0; if (events & EV_READ) r1 = start_reading(bev_ssl); if (events & EV_WRITE) r2 = start_writing(bev_ssl); if (bev_ssl->underlying) { if (events & EV_READ) BEV_RESET_GENERIC_READ_TIMEOUT(bev); if (events & EV_WRITE) BEV_RESET_GENERIC_WRITE_TIMEOUT(bev); if (events & EV_READ) consider_reading(bev_ssl); if (events & EV_WRITE) consider_writing(bev_ssl); } return (r1 < 0 || r2 < 0) ? -1 : 0; } static int be_openssl_disable(struct bufferevent *bev, short events) { struct bufferevent_openssl *bev_ssl = upcast(bev); if (events & EV_READ) stop_reading(bev_ssl); if (events & EV_WRITE) stop_writing(bev_ssl); if (bev_ssl->underlying) { if (events & EV_READ) BEV_DEL_GENERIC_READ_TIMEOUT(bev); if (events & EV_WRITE) BEV_DEL_GENERIC_WRITE_TIMEOUT(bev); } return 0; } static void be_openssl_unlink(struct bufferevent *bev) { struct bufferevent_openssl *bev_ssl = upcast(bev); if (bev_ssl->bev.options & BEV_OPT_CLOSE_ON_FREE) { if (bev_ssl->underlying) { if (BEV_UPCAST(bev_ssl->underlying)->refcnt < 2) { event_warnx("BEV_OPT_CLOSE_ON_FREE set on an " "bufferevent with too few references"); } else { bufferevent_free(bev_ssl->underlying); /* We still have a reference to it, via our * BIO. So we don't drop this. */ // bev_ssl->underlying = NULL; } } } else { if (bev_ssl->underlying) { if (bev_ssl->underlying->errorcb == be_openssl_eventcb) bufferevent_setcb(bev_ssl->underlying, NULL,NULL,NULL,NULL); bufferevent_unsuspend_read_(bev_ssl->underlying, BEV_SUSPEND_FILT_READ); } } } static void be_openssl_destruct(struct bufferevent *bev) { struct bufferevent_openssl *bev_ssl = upcast(bev); if (bev_ssl->bev.options & BEV_OPT_CLOSE_ON_FREE) { if (! bev_ssl->underlying) { evutil_socket_t fd = EVUTIL_INVALID_SOCKET; BIO *bio = SSL_get_wbio(bev_ssl->ssl); if (bio) fd = BIO_get_fd(bio, NULL); if (fd >= 0) evutil_closesocket(fd); } SSL_free(bev_ssl->ssl); } } static int be_openssl_adj_timeouts(struct bufferevent *bev) { struct bufferevent_openssl *bev_ssl = upcast(bev); if (bev_ssl->underlying) { return bufferevent_generic_adj_timeouts_(bev); } else { return bufferevent_generic_adj_existing_timeouts_(bev); } } static int be_openssl_flush(struct bufferevent *bufev, short iotype, enum bufferevent_flush_mode mode) { /* XXXX Implement this. */ return 0; } static int be_openssl_set_fd(struct bufferevent_openssl *bev_ssl, enum bufferevent_ssl_state state, evutil_socket_t fd) { bev_ssl->state = state; switch (state) { case BUFFEREVENT_SSL_ACCEPTING: if (!SSL_clear(bev_ssl->ssl)) return -1; SSL_set_accept_state(bev_ssl->ssl); if (set_handshake_callbacks(bev_ssl, fd) < 0) return -1; break; case BUFFEREVENT_SSL_CONNECTING: if (!SSL_clear(bev_ssl->ssl)) return -1; SSL_set_connect_state(bev_ssl->ssl); if (set_handshake_callbacks(bev_ssl, fd) < 0) return -1; break; case BUFFEREVENT_SSL_OPEN: if (set_open_callbacks(bev_ssl, fd) < 0) return -1; break; default: return -1; } return 0; } static int be_openssl_ctrl(struct bufferevent *bev, enum bufferevent_ctrl_op op, union bufferevent_ctrl_data *data) { struct bufferevent_openssl *bev_ssl = upcast(bev); switch (op) { case BEV_CTRL_SET_FD: if (!bev_ssl->underlying) { BIO *bio; bio = BIO_new_socket((int)data->fd, 0); SSL_set_bio(bev_ssl->ssl, bio, bio); } else { BIO *bio; if (!(bio = BIO_new_bufferevent(bev_ssl->underlying))) return -1; SSL_set_bio(bev_ssl->ssl, bio, bio); } return be_openssl_set_fd(bev_ssl, bev_ssl->old_state, data->fd); case BEV_CTRL_GET_FD: if (bev_ssl->underlying) { data->fd = event_get_fd(&bev_ssl->underlying->ev_read); } else { data->fd = event_get_fd(&bev->ev_read); } return 0; case BEV_CTRL_GET_UNDERLYING: data->ptr = bev_ssl->underlying; return 0; case BEV_CTRL_CANCEL_ALL: default: return -1; } } SSL * bufferevent_openssl_get_ssl(struct bufferevent *bufev) { struct bufferevent_openssl *bev_ssl = upcast(bufev); if (!bev_ssl) return NULL; return bev_ssl->ssl; } static struct bufferevent * bufferevent_openssl_new_impl(struct event_base *base, struct bufferevent *underlying, evutil_socket_t fd, SSL *ssl, enum bufferevent_ssl_state state, int options) { struct bufferevent_openssl *bev_ssl = NULL; struct bufferevent_private *bev_p = NULL; int tmp_options = options & ~BEV_OPT_THREADSAFE; /* Only one can be set. */ if (underlying != NULL && fd >= 0) goto err; if (!(bev_ssl = mm_calloc(1, sizeof(struct bufferevent_openssl)))) goto err; bev_p = &bev_ssl->bev; if (bufferevent_init_common_(bev_p, base, &bufferevent_ops_openssl, tmp_options) < 0) goto err; /* Don't explode if we decide to realloc a chunk we're writing from in * the output buffer. */ SSL_set_mode(ssl, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER); bev_ssl->underlying = underlying; bev_ssl->ssl = ssl; bev_ssl->outbuf_cb = evbuffer_add_cb(bev_p->bev.output, be_openssl_outbuf_cb, bev_ssl); if (options & BEV_OPT_THREADSAFE) bufferevent_enable_locking_(&bev_ssl->bev.bev, NULL); if (underlying) { bufferevent_init_generic_timeout_cbs_(&bev_ssl->bev.bev); bufferevent_incref_(underlying); } bev_ssl->old_state = state; bev_ssl->last_write = -1; init_bio_counts(bev_ssl); fd = be_openssl_auto_fd(bev_ssl, fd); if (be_openssl_set_fd(bev_ssl, state, fd)) goto err; if (underlying) { bufferevent_setwatermark(underlying, EV_READ, 0, 0); bufferevent_enable(underlying, EV_READ|EV_WRITE); if (state == BUFFEREVENT_SSL_OPEN) bufferevent_suspend_read_(underlying, BEV_SUSPEND_FILT_READ); } return &bev_ssl->bev.bev; err: if (options & BEV_OPT_CLOSE_ON_FREE) SSL_free(ssl); if (bev_ssl) { bev_ssl->ssl = NULL; bufferevent_free(&bev_ssl->bev.bev); } return NULL; } struct bufferevent * bufferevent_openssl_filter_new(struct event_base *base, struct bufferevent *underlying, SSL *ssl, enum bufferevent_ssl_state state, int options) { BIO *bio; struct bufferevent *bev; if (!underlying) goto err; if (!(bio = BIO_new_bufferevent(underlying))) goto err; SSL_set_bio(ssl, bio, bio); bev = bufferevent_openssl_new_impl( base, underlying, -1, ssl, state, options); return bev; err: if (options & BEV_OPT_CLOSE_ON_FREE) SSL_free(ssl); return NULL; } struct bufferevent * bufferevent_openssl_socket_new(struct event_base *base, evutil_socket_t fd, SSL *ssl, enum bufferevent_ssl_state state, int options) { /* Does the SSL already have an fd? */ BIO *bio = SSL_get_wbio(ssl); long have_fd = -1; if (bio) have_fd = BIO_get_fd(bio, NULL); if (have_fd >= 0) { /* The SSL is already configured with an fd. */ if (fd < 0) { /* We should learn the fd from the SSL. */ fd = (evutil_socket_t) have_fd; } else if (have_fd == (long)fd) { /* We already know the fd from the SSL; do nothing */ } else { /* We specified an fd different from that of the SSL. This is probably an error on our part. Fail. */ goto err; } BIO_set_close(bio, 0); } else { /* The SSL isn't configured with a BIO with an fd. */ if (fd >= 0) { /* ... and we have an fd we want to use. */ bio = BIO_new_socket((int)fd, 0); SSL_set_bio(ssl, bio, bio); } else { /* Leave the fd unset. */ } } return bufferevent_openssl_new_impl( base, NULL, fd, ssl, state, options); err: if (options & BEV_OPT_CLOSE_ON_FREE) SSL_free(ssl); return NULL; } int bufferevent_openssl_get_allow_dirty_shutdown(struct bufferevent *bev) { int allow_dirty_shutdown = -1; struct bufferevent_openssl *bev_ssl; BEV_LOCK(bev); bev_ssl = upcast(bev); if (bev_ssl) allow_dirty_shutdown = bev_ssl->allow_dirty_shutdown; BEV_UNLOCK(bev); return allow_dirty_shutdown; } void bufferevent_openssl_set_allow_dirty_shutdown(struct bufferevent *bev, int allow_dirty_shutdown) { struct bufferevent_openssl *bev_ssl; BEV_LOCK(bev); bev_ssl = upcast(bev); if (bev_ssl) bev_ssl->allow_dirty_shutdown = !!allow_dirty_shutdown; BEV_UNLOCK(bev); } unsigned long bufferevent_get_openssl_error(struct bufferevent *bev) { unsigned long err = 0; struct bufferevent_openssl *bev_ssl; BEV_LOCK(bev); bev_ssl = upcast(bev); if (bev_ssl && bev_ssl->n_errors) { err = bev_ssl->errors[--bev_ssl->n_errors]; } BEV_UNLOCK(bev); return err; } lldpd-1.0.18/libevent/defer-internal.h0000644000076400001440000000541514111362570017023 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef DEFER_INTERNAL_H_INCLUDED_ #define DEFER_INTERNAL_H_INCLUDED_ #ifdef __cplusplus extern "C" { #endif #include "event2/event-config.h" #include "evconfig-private.h" #include struct event_callback; typedef void (*deferred_cb_fn)(struct event_callback *, void *); /** Initialize an empty, non-pending event_callback. @param deferred The struct event_callback structure to initialize. @param priority The priority that the callback should run at. @param cb The function to run when the struct event_callback executes. @param arg The function's second argument. */ EVENT2_EXPORT_SYMBOL void event_deferred_cb_init_(struct event_callback *, ev_uint8_t, deferred_cb_fn, void *); /** Change the priority of a non-pending event_callback. */ void event_deferred_cb_set_priority_(struct event_callback *, ev_uint8_t); /** Cancel a struct event_callback if it is currently scheduled in an event_base. */ EVENT2_EXPORT_SYMBOL void event_deferred_cb_cancel_(struct event_base *, struct event_callback *); /** Activate a struct event_callback if it is not currently scheduled in an event_base. Return true if it was not previously scheduled. */ EVENT2_EXPORT_SYMBOL int event_deferred_cb_schedule_(struct event_base *, struct event_callback *); #ifdef __cplusplus } #endif #endif /* EVENT_INTERNAL_H_INCLUDED_ */ lldpd-1.0.18/libevent/whatsnew-2.0.txt0000644000076400001440000006335014111362570016653 0ustar00bernatusersWhat's New In Libevent 2.0 so far: 1. Meta-issues 1.1. About this document This document describes the key differences between Libevent 1.4 and Libevent 2.0, from a user's point of view. It was most recently updated based on features in git master as of August 2010. NOTE: I am very sure that I missed some thing on this list. Caveat haxxor. 1.2. Better documentation There is now a book-in-progress that explains how to use Libevent and its growing pile of APIs. As of this writing, it covers everything except the http and rpc code. Check out the latest draft at http://www.wangafu.net/~nickm/libevent-book/ . 2. New and Improved Event APIs Many APIs are improved, refactored, or deprecated in Libevent 2.0. COMPATIBILITY: Nearly all existing code that worked with Libevent 1.4 should still work correctly with Libevent 2.0. However, if you are writing new code, or if you want to port old code, we strongly recommend using the new APIs and avoiding deprecated APIs as much as possible. Binaries linked against Libevent 1.4 will need to be recompiled to link against Libevent 2.0. This is nothing new; we have never been good at preserving binary compatibility between releases. We'll try harder in the future, though: see 2.1 below. 2.1. New header layout for improved forward-compatibility Libevent 2.0 has a new header layout to make it easier for programmers to write good, well-supported libevent code. The new headers are divided into three types. There are *regular headers*, like event2/event.h. These headers contain the functions that most programmers will want to use. There are *backward compatibility headers*, like event2/event_compat.h. These headers contain declarations for deprecated functions from older versions of Libevent. Documentation in these headers should suggest what's wrong with the old functions, and what functions you want to start using instead of the old ones. Some of these functions might be removed in a future release. New programs should generally not include these headers. Finally, there are *structure headers*, like event2/event_struct.h. These headers contain definitions of some structures that Libevent has historically exposed. Exposing them caused problems in the past, since programs that were compiled to work with one version of Libevent would often stop working with another version that changed the size or layout of some object. We've moving them into separate headers so that programmers can know that their code is not depending on any unstable aspect of the Libvent ABI. New programs should generally not include these headers unless they really know what they are doing, are willing to rebuild their software whenever they want to link it against a new version of Libevent, and are willing to risk their code breaking if and when data structures change. Functionality that once was located in event.h is now more subdivided. The core event logic is now in event2/event.h. The "evbuffer" functions for low-level buffer manipulation are in event2/buffer.h. The "bufferevent" functions for higher-level buffered IO are in event2/bufferevent.h. COMPATIBILITY: All of the old headers (event.h, evdns.h, evhttp.h, evrpc.h, and evutil.h) will continue to work by including the corresponding new headers. Old code should not be broken by this change. 2.2. New thread-safe, binary-compatible, harder-to-mess-up APIs Some aspects of the historical Libevent API have encouraged non-threadsafe code, or forced code built against one version of Libevent to no longer build with another. The problems with now-deprecated APIs fell into two categories: 1) Dependence on the "current" event_base. In an application with multiple event_bases, Libevent previously had a notion of the "current" event_base. New events were linked to this base, and the caller needed to explicitly reattach them to another base. This was horribly error-prone. Functions like "event_set" that worked with the "current" event_base are now deprecated but still available (see 2.1). There are new functions like "event_assign" that take an explicit event_base argument when setting up a structure. Using these functions will help prevent errors in your applications, and to be more threadsafe. 2) Structure dependence. Applications needed to allocate 'struct event' themselves, since there was no function in Libevent to do it for them. But since the size and contents of struct event can change between libevent versions, this created binary-compatibility nightmares. All structures of this kind are now isolated in _struct.h header (see 2.1), and there are new allocate-and- initialize functions you can use instead of the old initialize-only functions. For example, instead of malloc and event_set, you can use event_new(). (For people who do really want to allocate a struct event on the stack, or put one inside another structure, you can still use event2/event_compat.h.) So in the case where old code would look like this: #include ... struct event *ev = malloc(sizeof(struct event)); /* This call will cause a buffer overrun if you compile with one version of Libevent and link dynamically against another. */ event_set(ev, fd, EV_READ, cb, NULL); /* If you forget this call, your code will break in hard-to-diagnose ways in the presence of multiple event bases. */ event_set_base(ev, base); New code will look more like this: #include ... struct event *ev; ev = event_new(base, fd, EV_READ, cb, NULL); 2.3. Overrideable allocation functions If you want to override the allocation functions used by libevent (for example, to use a specialized allocator, or debug memory issues, or so on), you can replace them by calling event_set_mem_functions. It takes replacements for malloc(), free(), and realloc(). If you're going to use this facility, you need to call it _before_ Libevent does any memory allocation; otherwise, Libevent may allocate some memory with malloc(), and free it with the free() function you provide. You can disable this feature when you are building Libevent by passing the --disable-malloc-replacement argument to configure. 2.4. Configurable event_base creation Older versions of Libevent would always got the fastest backend available, unless you reconfigured their behavior with the environment variables EVENT_NOSELECT, EVENT_NOPOLL, and so forth. This was annoying to programmers who wanted to pick a backend explicitly without messing with the environment. Also, despite our best efforts, not every backend supports every operation we might like. Some features (like edge-triggered events, or working with non-socket file descriptors) only work with some operating systems' fast backends. Previously, programmers who cared about this needed to know which backends supported what. This tended to get quite ungainly. There is now an API to choose backends, either by name or by feature. Here is an example: struct event_config_t *config; struct event_base *base; /* Create a new configuration object. */ config = event_config_new(); /* We don't want to use the "select" method. */ event_config_avoid_method(config, "select"); /* We want a method that can work with non-socket file descriptors */ event_config_require_features(config, EV_FEATURE_FDS); base = event_base_new_with_config(config); if (!base) { /* There is no backend method that does what we want. */ exit(1); } event_config_free(config); Supported features are documented in event2/event.h 2.5. Socket is now an abstract type All APIs that formerly accepted int as a socket type now accept "evutil_socket_t". On Unix, this is just an alias for "int" as before. On Windows, however, it's an alias for SOCKET, which can be wider than int on 64-bit platforms. 2.6. Timeouts and persistent events work together. Previously, it wasn't useful to set a timeout on a persistent event: the timeout would trigger once, and never again. This is not what applications tend to want. Instead, applications tend to want every triggering of the event to re-set the timeout. So now, if you set up an event like this: struct event *ev; struct timeval tv; ev = event_new(base, fd, EV_READ|EV_PERSIST, cb, NULL); tv.tv_sec = 1; tv.tv_usec = 0; event_add(ev, &tv); The callback 'cb' will be invoked whenever fd is ready to read, OR whenever a second has passed since the last invocation of cb. 2.7. Multiple events allowed per fd Older versions of Libevent allowed at most one EV_READ event and at most one EV_WRITE event per socket, per event base. This restriction is no longer present. 2.8. evthread_* functions for thread-safe structures. Libevent structures can now be built with locking support. This code makes it safe to add, remove, and activate events on an event base from a different thread. (Previously, if you wanted to write multithreaded code with Libevent, you could only an event_base or its events in one thread at a time.) If you want threading support and you're using pthreads, you can just call evthread_use_pthreads(). (You'll need to link against the libevent_pthreads library in addition to libevent_core. These functions are not in libevent_core.) If you want threading support and you're using Windows, you can just call evthread_use_windows_threads(). If you are using some locking system besides Windows and pthreads, You can enable this on a per-event-base level by writing functions to implement mutexes, conditions, and thread IDs, and passing them to evthread_set_lock_callbacks and related functions in event2/thread.h. Once locking functions are enabled, every new event_base is created with a lock. You can prevent a single event_base from being built with a lock disabled by using the EVENT_BASE_FLAG_NOLOCK flag in its event_config. If an event_base is created with a lock, it is safe to call event_del, event_add, and event_active on its events from any thread. The event callbacks themselves are still all executed from the thread running the event loop. To make an evbuffer or a bufferevent object threadsafe, call its *_enable_locking() function. The HTTP api is not currently threadsafe. To build Libevent with threading support disabled, pass --disable-thread-support to the configure script. 2.9. Edge-triggered events on some backends. With some backends, it's now possible to add the EV_ET flag to an event in order to request that the event's semantics be edge-triggered. Right now, epoll and kqueue support this. The corresponding event_config feature is EV_FEATURE_ET; see 2.4 for more information. 2.10. Better support for huge numbers of timeouts The heap-based priority queue timer implementation for Libevent 1.4 is good for randomly distributed timeouts, but suboptimal if you have huge numbers of timeouts that all expire in the same amount of time after their creation. The new event_base_init_common_timeout() logic lets you signal that a given timeout interval will be very common, and should use a linked list implementation instead of a priority queue. 2.11. Improved debugging support It's been pretty easy to forget to delete all your events before you re-initialize them, or otherwise put Libevent in an internally inconsistent state. You can tell libevent to catch these and other common errors with the new event_enable_debug_mode() call. Just invoke it before you do any calls to other libevent functions, and it'll catch many common event-level errors in your code. 2.12. Functions to access all event fields So that you don't have to access the struct event fields directly, Libevent now provides accessor functions to retrieve everything from an event that you set during event_new() or event_assign(). 3. Backend-specific and performance improvements. 3.1. Change-minimization on O(1) backends With previous versions of Libevent, if you called event_del() and event_add() repeatedly on a single event between trips to the backend's dispatch function, the backend might wind up making unnecessary calls or passing unnecessary data to the kernel. The new backend logic batches up redundant adds and deletes, and performs no more operations than necessary at the kernel level. This logic is on for the kqueue backend, and available (but off by default) for the epoll backend. To turn it on for the epoll backend, set the EVENT_BASE_FLAG_EPOLL_USE_CHANGELIST flag in the event_base_cofig, or set the EVENT_EPOLL_USE_CHANGELIST environment variable. Doing this with epoll may result in weird bugs if you give any fds closed by dup() or its variants. 3.2. Improved notification on Linux When we need to wake the event loop up from another thread, we use an epollfd to do so, instead of a socketpair. This is supposed to be faster. 3.3. Windows: better support for everything Bufferevents on Windows can use a new mechanism (off-by-default; see below) to send their data via Windows overlapped IO and get their notifications via the IOCP API. This should be much faster than using event-based notification. Other functions throughout the code have been fixed to work more consistently with Windows. Libevent now builds on Windows using either mingw, or using MSVC (with nmake). Libevent works fine with UNICODE defined, or not. Data structures are a little smarter: our lookups from socket to pending event are now done with O(1) hash tables rather than O(lg n) red-black trees. Unfortunately, the main Windows backend is still select()-based: from testing the IOCP backends on the mailing list, it seems that there isn't actually a way to tell for certain whether a socket is writable with IOCP. Libevent 2.1 may add a multithreaded WaitForMultipleEvents-based backend for better performance with many inactive sockets and better integration with Windows events. 4. Improvements to evbuffers Libevent has long had an "evbuffer" implementation to wrap access to an input or output memory buffer. In previous versions, the implementation was very inefficient and lacked some desirable features. We've made many improvements in Libevent 2.0. 4.1. Chunked-memory internal representation Previously, each evbuffer was a huge chunk of memory. When we ran out of space in an evbuffer, we used realloc() to grow the chunk of memory. When data was misaligned, we used memmove to move the data back to the front of the buffer. Needless to say, this is a terrible interface for networked IO. Now, evbuffers are implemented as a linked list of memory chunks, like most Unix kernels use for network IO. (See Linux's skbuf interfaces, or *BSD's mbufs). Data is added at the end of the linked list and removed from the front, so that we don't ever need realloc huge chunks or memmove the whole buffer contents. To avoid excessive calls to read and write, we use the readv/writev interfaces (or WSASend/WSARecv on Windows) to do IO on multiple chunks at once with a single system call. COMPATIBILITY NOTE: The evbuffer struct is no longer exposed in a header. The code here is too volatile to expose an official evbuffer structure, and there was never any means provided to create an evbuffer except via evbuffer_new which heap-allocated the buffer. If you need access to the whole buffer as a linear chunk of memory, the EVBUFFER_DATA() function still works. Watch out, though: it needs to copy the buffer's contents in a linear chunk before you can use it. 4.2. More flexible readline support The old evbuffer_readline() function (which accepted any sequence of CR and LF characters as a newline, and which couldn't handle lines containing NUL characters), is now deprecated. The preferred function is evbuffer_readln(), which supports a variety of line-ending styles, and which can return the number of characters in the line returned. You can also call evbuffer_search_eol() to find the end of a line in an evbuffer without ever extracting the line. 4.3. Support for file-based IO in evbuffers. You can now add chunks of a file into a evbuffer, and Libevent will have your OS use mapped-memory functionality, sendfile, or splice to transfer the data without ever copying it to userspace. On OSs where this is not supported, Libevent just loads the data. There are probably some bugs remaining in this code. On some platforms (like Windows), it just reads the relevant parts of the file into RAM. 4.4. Support for zero-copy ("scatter/gather") writes in evbuffers. You can add a piece of memory to an evbuffer without copying it. Instead, Libevent adds a new element to the evbuffer's linked list of chunks with a pointer to the memory you supplied. You can do this either with a reference-counted chunk (via evbuffer_add_reference), or by asking Libevent for a pointer to its internal vectors (via evbuffer_reserve_space or evbuffer_peek()). 4.5. Multiple callbacks per evbuffer Previously, you could only have one callback active on an evbuffer at a time. In practice, this meant that if one part of Libevent was using an evbuffer callback to notice when an internal evbuffer was reading or writing data, you couldn't have your own callback on that evbuffer. Now, you can now use the evbuffer_add_cb() function to add a callback that does not interfere with any other callbacks. The evbuffer_setcb() function is now deprecated. 4.6. New callback interface Previously, evbuffer callbacks were invoked with the old size of the buffer and the new size of the buffer. This interface could not capture operations that simultaneously filled _and_ drained a buffer, or handle cases where we needed to postpone callbacks until multiple operations were complete. Callbacks that are set with evbuffer_setcb still use the old API. Callbacks added with evbuffer_add_cb() use a new interface that takes a pointer to a struct holding the total number of bytes drained read and the total number of bytes written. See event2/buffer.h for full details. 4.7. Misc new evbuffer features You can use evbuffer_remove() to move a given number of bytes from one buffer to another. The evbuffer_search() function lets you search for repeated instances of a pattern inside an evbuffer. You can use evbuffer_freeze() to temporarily suspend drains from or adds to a given evbuffer. This is useful for code that exposes an evbuffer as part of its public API, but wants users to treat it as a pure source or sink. There's an evbuffer_copyout() that looks at the data at the start of an evbuffer without doing a drain. You can have an evbuffer defer all of its callbacks, so that rather than being invoked immediately when the evbuffer's length changes, they are invoked from within the event_loop. This is useful when you have a complex set of callbacks that can change the length of other evbuffers, and you want to avoid having them recurse and overflow your stack. 5. Bufferevents improvements Libevent has long included a "bufferevents" structure and related functions that were useful for generic buffered IO on a TCP connection. This is what Libevent uses for its HTTP implementation. In addition to the improvements that they get for free from the underlying evbuffer implementation above, there are many new features in Libevent 2.0's evbuffers. 5.1. New OO implementations The "bufferevent" structure is now an abstract base type with multiple implementations. This should not break existing code, which always allocated bufferevents with bufferevent_new(). Current implementations of the bufferevent interface are described below. 5.2. bufferevent_socket_new() replaces bufferevent_new() Since bufferevents that use a socket are not the only kind, bufferevent_new() is now deprecated. Use bufferevent_socket_new() instead. 5.3. Filtered bufferevent IO You can use bufferevent_filter_new() to create a bufferevent that wraps around another bufferevent and transforms data it is sending and receiving. See test/regress_zlib.c for a toy example that uses zlib to compress data before sending it over a bufferevent. 5.3. Linked pairs of bufferevents You can use bufferevent_pair_new() to produce two linked bufferevents. This is like using socketpair, but doesn't require system-calls. 5.4. SSL support for bufferevents with OpenSSL There is now a bufferevent type that supports SSL/TLS using the OpenSSL library. The code for this is build in a separate library, libevent_openssl, so that your programs don't need to link against OpenSSL unless they actually want SSL support. There are two ways to construct one of these bufferevents, both declared in . If you want to wrap an SSL layer around an existing bufferevent, you would call the bufferevent_openssl_filter_new() function. If you want to do SSL on a socket directly, call bufferevent_openssl_socket_new(). 5.5. IOCP support for bufferevents on Windows There is now a bufferevents backend that supports IOCP on Windows. Supposedly, this will eventually make Windows IO much faster for programs using bufferevents. We'll have to see; the code is not currently optimized at all. To try it out, call the event_base_start_iocp() method on an event_base before contructing bufferevents. This is tricky code; there are probably some bugs hiding here. 5.6. Improved connect support for bufferevents. You can now create a bufferevent that is not yet connected to any host, and tell it to connect, either by address or by hostname. The functions to do this are bufferevent_socket_connect and bufferevent_socket_connect_hostname. 5.7. Rate-limiting for bufferevents If you need to limit the number of bytes read/written by a single bufferevent, or by a group of them, you can do this with a new set of bufferevent rate-limiting calls. 6. Other improvements 6.1. DNS improvements 6.1.1. DNS: IPv6 nameservers The evdns code now lets you have nameservers whose addresses are IPv6. 6.1.2. DNS: Better security Libevent 2.0 tries harder to resist DNS answer-sniping attacks than earlier versions of evdns. See comments in the code for full details. Notably, evdns now supports the "0x20 hack" to make it harder to impersonate a DNS server. Additionally, Libevent now uses a strong internal RNG to generate DNS transaction IDs, so you don't need to supply your own. 6.1.3. DNS: Getaddrinfo support There's now an asynchronous getaddrinfo clone, evdns_getaddrinfo(), to make the results of the evdns functions more usable. It doesn't support every feature of a typical platform getaddrinfo() yet, but it is quite close. There is also a blocking evutil_getaddrinfo() declared in event2/util.h, to provide a getaddrinfo() implementation for platforms that don't have one, and smooth over the differences in various platforms implementations of RFC3493. Bufferevents provide bufferevent_connect_hostname(), which combines the name lookup and connect operations. 6.1.4. DNS: No more evdns globals Like an event base, evdns operations are now supposed to use an evdns_base argument. This makes them easier to wrap for other (more OO) languages, and easier to control the lifetime of. The old evdns functions will still, of course, continue working. 6.2. Listener support You can now more easily automate setting up a bound socket to listen for TCP connections. Just use the evconnlistener_*() functions in the event2/listener.h header. The listener code supports IOCP on Windows if available. 6.3. Secure RNG support Network code very frequently needs a secure, hard-to-predict random number generator. Some operating systems provide a good C implementation of one; others do not. Libevent 2.0 now provides a consistent implementation based on the arc4random code originally from OpenBSD. Libevent (and you) can use the evutil_secure_rng_*() functions to access a fairly secure random stream of bytes. 6.4. HTTP The evhttp uriencoding and uridecoding APIs have updated versions that behave more correctly, and can handle strings with internal NULs. The evhttp query parsing and URI parsing logic can now detect errors more usefully. Moreover, we include an actual URI parsing function (evhttp_uri_parse()) to correctly parse URIs, so as to discourage people from rolling their own ad-hoc parsing functions. There are now accessor functions for the useful fields of struct http and friends; it shouldn't be necessary to access them directly any more. Libevent now lets you declare support for all specified HTTP methods, including OPTIONS, PATCH, and so on. The default list is unchanged. Numerous evhttp bugs also got fixed. 7. Infrastructure improvements 7.1. Better unit test framework We now use a unit test framework that Nick wrote called "tinytest". The main benefit from Libevent's point of view is that tests which might mess with global state can all run each in their own subprocess. This way, when there's a bug that makes one unit test crash or mess up global state, it doesn't affect any others. 7.2. Better unit tests Despite all the code we've added, our unit tests are much better than before. Right now, iterating over the different backends on various platforms, I'm getting between 78% and 81% test coverage, compared with less than 45% test coverage in Libevent 1.4. lldpd-1.0.18/libevent/select.c0000644000076400001440000002077314111362570015402 0ustar00bernatusers/* $OpenBSD: select.c,v 1.2 2002/06/25 15:50:15 mickey Exp $ */ /* * Copyright 2000-2007 Niels Provos * Copyright 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #ifdef EVENT__HAVE_SELECT #ifdef __APPLE__ /* Apple wants us to define this if we might ever pass more than * FD_SETSIZE bits to select(). */ #define _DARWIN_UNLIMITED_SELECT #endif #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #ifdef EVENT__HAVE_SYS_SELECT_H #include #endif #include #include #include #include #include #include #include #include "event-internal.h" #include "evsignal-internal.h" #include "event2/thread.h" #include "evthread-internal.h" #include "log-internal.h" #include "evmap-internal.h" #ifndef EVENT__HAVE_FD_MASK /* This type is mandatory, but Android doesn't define it. */ typedef unsigned long fd_mask; #endif #ifndef NFDBITS #define NFDBITS (sizeof(fd_mask)*8) #endif /* Divide positive x by y, rounding up. */ #define DIV_ROUNDUP(x, y) (((x)+((y)-1))/(y)) /* How many bytes to allocate for N fds? */ #define SELECT_ALLOC_SIZE(n) \ (DIV_ROUNDUP(n, NFDBITS) * sizeof(fd_mask)) struct selectop { int event_fds; /* Highest fd in fd set */ int event_fdsz; int resize_out_sets; fd_set *event_readset_in; fd_set *event_writeset_in; fd_set *event_readset_out; fd_set *event_writeset_out; }; static void *select_init(struct event_base *); static int select_add(struct event_base *, int, short old, short events, void*); static int select_del(struct event_base *, int, short old, short events, void*); static int select_dispatch(struct event_base *, struct timeval *); static void select_dealloc(struct event_base *); const struct eventop selectops = { "select", select_init, select_add, select_del, select_dispatch, select_dealloc, 1, /* need_reinit. */ EV_FEATURE_FDS, 0, }; static int select_resize(struct selectop *sop, int fdsz); static void select_free_selectop(struct selectop *sop); static void * select_init(struct event_base *base) { struct selectop *sop; if (!(sop = mm_calloc(1, sizeof(struct selectop)))) return (NULL); if (select_resize(sop, SELECT_ALLOC_SIZE(32 + 1))) { select_free_selectop(sop); return (NULL); } evsig_init_(base); evutil_weakrand_seed_(&base->weakrand_seed, 0); return (sop); } #ifdef CHECK_INVARIANTS static void check_selectop(struct selectop *sop) { /* nothing to be done here */ } #else #define check_selectop(sop) do { (void) sop; } while (0) #endif static int select_dispatch(struct event_base *base, struct timeval *tv) { int res=0, i, j, nfds; struct selectop *sop = base->evbase; check_selectop(sop); if (sop->resize_out_sets) { fd_set *readset_out=NULL, *writeset_out=NULL; size_t sz = sop->event_fdsz; if (!(readset_out = mm_realloc(sop->event_readset_out, sz))) return (-1); sop->event_readset_out = readset_out; if (!(writeset_out = mm_realloc(sop->event_writeset_out, sz))) { /* We don't free readset_out here, since it was * already successfully reallocated. The next time * we call select_dispatch, the realloc will be a * no-op. */ return (-1); } sop->event_writeset_out = writeset_out; sop->resize_out_sets = 0; } memcpy(sop->event_readset_out, sop->event_readset_in, sop->event_fdsz); memcpy(sop->event_writeset_out, sop->event_writeset_in, sop->event_fdsz); nfds = sop->event_fds+1; EVBASE_RELEASE_LOCK(base, th_base_lock); res = select(nfds, sop->event_readset_out, sop->event_writeset_out, NULL, tv); EVBASE_ACQUIRE_LOCK(base, th_base_lock); check_selectop(sop); if (res == -1) { if (errno != EINTR) { event_warn("select"); return (-1); } return (0); } event_debug(("%s: select reports %d", __func__, res)); check_selectop(sop); i = evutil_weakrand_range_(&base->weakrand_seed, nfds); for (j = 0; j < nfds; ++j) { if (++i >= nfds) i = 0; res = 0; if (FD_ISSET(i, sop->event_readset_out)) res |= EV_READ; if (FD_ISSET(i, sop->event_writeset_out)) res |= EV_WRITE; if (res == 0) continue; evmap_io_active_(base, i, res); } check_selectop(sop); return (0); } static int select_resize(struct selectop *sop, int fdsz) { fd_set *readset_in = NULL; fd_set *writeset_in = NULL; if (sop->event_readset_in) check_selectop(sop); if ((readset_in = mm_realloc(sop->event_readset_in, fdsz)) == NULL) goto error; sop->event_readset_in = readset_in; if ((writeset_in = mm_realloc(sop->event_writeset_in, fdsz)) == NULL) { /* Note that this will leave event_readset_in expanded. * That's okay; we wouldn't want to free it, since that would * change the semantics of select_resize from "expand the * readset_in and writeset_in, or return -1" to "expand the * *set_in members, or trash them and return -1." */ goto error; } sop->event_writeset_in = writeset_in; sop->resize_out_sets = 1; memset((char *)sop->event_readset_in + sop->event_fdsz, 0, fdsz - sop->event_fdsz); memset((char *)sop->event_writeset_in + sop->event_fdsz, 0, fdsz - sop->event_fdsz); sop->event_fdsz = fdsz; check_selectop(sop); return (0); error: event_warn("malloc"); return (-1); } static int select_add(struct event_base *base, int fd, short old, short events, void *p) { struct selectop *sop = base->evbase; (void) p; EVUTIL_ASSERT((events & EV_SIGNAL) == 0); check_selectop(sop); /* * Keep track of the highest fd, so that we can calculate the size * of the fd_sets for select(2) */ if (sop->event_fds < fd) { int fdsz = sop->event_fdsz; if (fdsz < (int)sizeof(fd_mask)) fdsz = (int)sizeof(fd_mask); /* In theory we should worry about overflow here. In * reality, though, the highest fd on a unixy system will * not overflow here. XXXX */ while (fdsz < (int) SELECT_ALLOC_SIZE(fd + 1)) fdsz *= 2; if (fdsz != sop->event_fdsz) { if (select_resize(sop, fdsz)) { check_selectop(sop); return (-1); } } sop->event_fds = fd; } if (events & EV_READ) FD_SET(fd, sop->event_readset_in); if (events & EV_WRITE) FD_SET(fd, sop->event_writeset_in); check_selectop(sop); return (0); } /* * Nothing to be done here. */ static int select_del(struct event_base *base, int fd, short old, short events, void *p) { struct selectop *sop = base->evbase; (void)p; EVUTIL_ASSERT((events & EV_SIGNAL) == 0); check_selectop(sop); if (sop->event_fds < fd) { check_selectop(sop); return (0); } if (events & EV_READ) FD_CLR(fd, sop->event_readset_in); if (events & EV_WRITE) FD_CLR(fd, sop->event_writeset_in); check_selectop(sop); return (0); } static void select_free_selectop(struct selectop *sop) { if (sop->event_readset_in) mm_free(sop->event_readset_in); if (sop->event_writeset_in) mm_free(sop->event_writeset_in); if (sop->event_readset_out) mm_free(sop->event_readset_out); if (sop->event_writeset_out) mm_free(sop->event_writeset_out); memset(sop, 0, sizeof(struct selectop)); mm_free(sop); } static void select_dealloc(struct event_base *base) { evsig_dealloc_(base); select_free_selectop(base->evbase); } #endif /* EVENT__HAVE_SELECT */ lldpd-1.0.18/libevent/Makefile.nmake0000644000076400001440000000444714111362570016511 0ustar00bernatusers# WATCH OUT! This makefile is a work in progress. -*- makefile -*- # # I'm not very knowledgeable about MSVC and nmake beyond their most basic # aspects. If anything here looks wrong to you, please let me know. # If OPENSSL_DIR is not set, builds without OpenSSL support. If you want # OpenSSL support, you can set the OPENSSL_DIR variable to where you # installed OpenSSL. This can be done in the environment: # set OPENSSL_DIR=c:\openssl # Or on the nmake command line: # nmake OPENSSL_DIR=C:\openssl -f Makefile.nmake # Or by uncommenting the following line here in the makefile... # OPENSSL_DIR=c:\openssl !IFDEF OPENSSL_DIR SSL_CFLAGS=/I$(OPENSSL_DIR)\include /DEVENT__HAVE_OPENSSL !ELSE SSL_CFLAGS= !ENDIF # Needed for correctness CFLAGS=/IWIN32-Code /IWIN32-Code/nmake /Iinclude /Icompat /DHAVE_CONFIG_H /I. $(SSL_CFLAGS) # For optimization and warnings CFLAGS=$(CFLAGS) /Ox /W3 /wd4996 /nologo # XXXX have a debug mode LIBFLAGS=/nologo CORE_OBJS=event.obj buffer.obj bufferevent.obj bufferevent_sock.obj \ bufferevent_pair.obj listener.obj evmap.obj log.obj evutil.obj \ strlcpy.obj signal.obj bufferevent_filter.obj evthread.obj \ bufferevent_ratelim.obj evutil_rand.obj evutil_time.obj WIN_OBJS=win32select.obj evthread_win32.obj buffer_iocp.obj \ event_iocp.obj bufferevent_async.obj EXTRA_OBJS=event_tagging.obj http.obj evdns.obj evrpc.obj !IFDEF OPENSSL_DIR SSL_OBJS=bufferevent_openssl.obj SSL_LIBS=libevent_openssl.lib !ELSE SSL_OBJS= SSL_LIBS= !ENDIF ALL_OBJS=$(CORE_OBJS) $(WIN_OBJS) $(EXTRA_OBJS) $(SSL_OBJS) STATIC_LIBS=libevent_core.lib libevent_extras.lib libevent.lib $(SSL_LIBS) all: static_libs tests static_libs: $(STATIC_LIBS) libevent_core.lib: $(CORE_OBJS) $(WIN_OBJS) lib $(LIBFLAGS) $(CORE_OBJS) $(WIN_OBJS) /out:libevent_core.lib libevent_extras.lib: $(EXTRA_OBJS) lib $(LIBFLAGS) $(EXTRA_OBJS) /out:libevent_extras.lib libevent.lib: $(CORE_OBJS) $(WIN_OBJS) $(EXTRA_OBJS) lib $(LIBFLAGS) $(CORE_OBJS) $(EXTRA_OBJS) $(WIN_OBJS) /out:libevent.lib libevent_openssl.lib: $(SSL_OBJS) lib $(LIBFLAGS) $(SSL_OBJS) /out:libevent_openssl.lib clean: del $(ALL_OBJS) del $(STATIC_LIBS) cd test $(MAKE) /F Makefile.nmake clean cd .. tests: cd test !IFDEF OPENSSL_DIR $(MAKE) OPENSSL_DIR=$(OPENSSL_DIR) /F Makefile.nmake !ELSE $(MAKE) /F Makefile.nmake !ENDIF cd .. lldpd-1.0.18/libevent/listener.c0000644000076400001440000005212514111362570015744 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos, Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #include #ifdef _WIN32 #ifndef _WIN32_WINNT /* Minimum required for InitializeCriticalSectionAndSpinCount */ #define _WIN32_WINNT 0x0403 #endif #include #include #include #include #endif #include #ifdef EVENT__HAVE_SYS_SOCKET_H #include #endif #ifdef EVENT__HAVE_FCNTL_H #include #endif #ifdef EVENT__HAVE_UNISTD_H #include #endif #include "event2/listener.h" #include "event2/util.h" #include "event2/event.h" #include "event2/event_struct.h" #include "mm-internal.h" #include "util-internal.h" #include "log-internal.h" #include "evthread-internal.h" #ifdef _WIN32 #include "iocp-internal.h" #include "defer-internal.h" #include "event-internal.h" #endif struct evconnlistener_ops { int (*enable)(struct evconnlistener *); int (*disable)(struct evconnlistener *); void (*destroy)(struct evconnlistener *); void (*shutdown)(struct evconnlistener *); evutil_socket_t (*getfd)(struct evconnlistener *); struct event_base *(*getbase)(struct evconnlistener *); }; struct evconnlistener { const struct evconnlistener_ops *ops; void *lock; evconnlistener_cb cb; evconnlistener_errorcb errorcb; void *user_data; unsigned flags; short refcnt; int accept4_flags; unsigned enabled : 1; }; struct evconnlistener_event { struct evconnlistener base; struct event listener; }; #ifdef _WIN32 struct evconnlistener_iocp { struct evconnlistener base; evutil_socket_t fd; struct event_base *event_base; struct event_iocp_port *port; short n_accepting; unsigned shutting_down : 1; unsigned event_added : 1; struct accepting_socket **accepting; }; #endif #define LOCK(listener) EVLOCK_LOCK((listener)->lock, 0) #define UNLOCK(listener) EVLOCK_UNLOCK((listener)->lock, 0) struct evconnlistener * evconnlistener_new_async(struct event_base *base, evconnlistener_cb cb, void *ptr, unsigned flags, int backlog, evutil_socket_t fd); /* XXXX export this? */ static int event_listener_enable(struct evconnlistener *); static int event_listener_disable(struct evconnlistener *); static void event_listener_destroy(struct evconnlistener *); static evutil_socket_t event_listener_getfd(struct evconnlistener *); static struct event_base *event_listener_getbase(struct evconnlistener *); #if 0 static void listener_incref_and_lock(struct evconnlistener *listener) { LOCK(listener); ++listener->refcnt; } #endif static int listener_decref_and_unlock(struct evconnlistener *listener) { int refcnt = --listener->refcnt; if (refcnt == 0) { listener->ops->destroy(listener); UNLOCK(listener); EVTHREAD_FREE_LOCK(listener->lock, EVTHREAD_LOCKTYPE_RECURSIVE); mm_free(listener); return 1; } else { UNLOCK(listener); return 0; } } static const struct evconnlistener_ops evconnlistener_event_ops = { event_listener_enable, event_listener_disable, event_listener_destroy, NULL, /* shutdown */ event_listener_getfd, event_listener_getbase }; static void listener_read_cb(evutil_socket_t, short, void *); struct evconnlistener * evconnlistener_new(struct event_base *base, evconnlistener_cb cb, void *ptr, unsigned flags, int backlog, evutil_socket_t fd) { struct evconnlistener_event *lev; #ifdef _WIN32 if (base && event_base_get_iocp_(base)) { const struct win32_extension_fns *ext = event_get_win32_extension_fns_(); if (ext->AcceptEx && ext->GetAcceptExSockaddrs) return evconnlistener_new_async(base, cb, ptr, flags, backlog, fd); } #endif if (backlog > 0) { if (listen(fd, backlog) < 0) return NULL; } else if (backlog < 0) { if (listen(fd, 128) < 0) return NULL; } lev = mm_calloc(1, sizeof(struct evconnlistener_event)); if (!lev) return NULL; lev->base.ops = &evconnlistener_event_ops; lev->base.cb = cb; lev->base.user_data = ptr; lev->base.flags = flags; lev->base.refcnt = 1; lev->base.accept4_flags = 0; if (!(flags & LEV_OPT_LEAVE_SOCKETS_BLOCKING)) lev->base.accept4_flags |= EVUTIL_SOCK_NONBLOCK; if (flags & LEV_OPT_CLOSE_ON_EXEC) lev->base.accept4_flags |= EVUTIL_SOCK_CLOEXEC; if (flags & LEV_OPT_THREADSAFE) { EVTHREAD_ALLOC_LOCK(lev->base.lock, EVTHREAD_LOCKTYPE_RECURSIVE); } event_assign(&lev->listener, base, fd, EV_READ|EV_PERSIST, listener_read_cb, lev); if (!(flags & LEV_OPT_DISABLED)) evconnlistener_enable(&lev->base); return &lev->base; } struct evconnlistener * evconnlistener_new_bind(struct event_base *base, evconnlistener_cb cb, void *ptr, unsigned flags, int backlog, const struct sockaddr *sa, int socklen) { struct evconnlistener *listener; evutil_socket_t fd; int on = 1; int family = sa ? sa->sa_family : AF_UNSPEC; int socktype = SOCK_STREAM | EVUTIL_SOCK_NONBLOCK; if (backlog == 0) return NULL; if (flags & LEV_OPT_CLOSE_ON_EXEC) socktype |= EVUTIL_SOCK_CLOEXEC; fd = evutil_socket_(family, socktype, 0); if (fd == -1) return NULL; if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, (void*)&on, sizeof(on))<0) goto err; if (flags & LEV_OPT_REUSEABLE) { if (evutil_make_listen_socket_reuseable(fd) < 0) goto err; } if (flags & LEV_OPT_REUSEABLE_PORT) { if (evutil_make_listen_socket_reuseable_port(fd) < 0) goto err; } if (flags & LEV_OPT_DEFERRED_ACCEPT) { if (evutil_make_tcp_listen_socket_deferred(fd) < 0) goto err; } if (flags & LEV_OPT_BIND_IPV6ONLY) { if (evutil_make_listen_socket_ipv6only(fd) < 0) goto err; } if (sa) { if (bind(fd, sa, socklen)<0) goto err; } listener = evconnlistener_new(base, cb, ptr, flags, backlog, fd); if (!listener) goto err; return listener; err: evutil_closesocket(fd); return NULL; } void evconnlistener_free(struct evconnlistener *lev) { LOCK(lev); lev->cb = NULL; lev->errorcb = NULL; if (lev->ops->shutdown) lev->ops->shutdown(lev); listener_decref_and_unlock(lev); } static void event_listener_destroy(struct evconnlistener *lev) { struct evconnlistener_event *lev_e = EVUTIL_UPCAST(lev, struct evconnlistener_event, base); event_del(&lev_e->listener); if (lev->flags & LEV_OPT_CLOSE_ON_FREE) evutil_closesocket(event_get_fd(&lev_e->listener)); event_debug_unassign(&lev_e->listener); } int evconnlistener_enable(struct evconnlistener *lev) { int r; LOCK(lev); lev->enabled = 1; if (lev->cb) r = lev->ops->enable(lev); else r = 0; UNLOCK(lev); return r; } int evconnlistener_disable(struct evconnlistener *lev) { int r; LOCK(lev); lev->enabled = 0; r = lev->ops->disable(lev); UNLOCK(lev); return r; } static int event_listener_enable(struct evconnlistener *lev) { struct evconnlistener_event *lev_e = EVUTIL_UPCAST(lev, struct evconnlistener_event, base); return event_add(&lev_e->listener, NULL); } static int event_listener_disable(struct evconnlistener *lev) { struct evconnlistener_event *lev_e = EVUTIL_UPCAST(lev, struct evconnlistener_event, base); return event_del(&lev_e->listener); } evutil_socket_t evconnlistener_get_fd(struct evconnlistener *lev) { evutil_socket_t fd; LOCK(lev); fd = lev->ops->getfd(lev); UNLOCK(lev); return fd; } static evutil_socket_t event_listener_getfd(struct evconnlistener *lev) { struct evconnlistener_event *lev_e = EVUTIL_UPCAST(lev, struct evconnlistener_event, base); return event_get_fd(&lev_e->listener); } struct event_base * evconnlistener_get_base(struct evconnlistener *lev) { struct event_base *base; LOCK(lev); base = lev->ops->getbase(lev); UNLOCK(lev); return base; } static struct event_base * event_listener_getbase(struct evconnlistener *lev) { struct evconnlistener_event *lev_e = EVUTIL_UPCAST(lev, struct evconnlistener_event, base); return event_get_base(&lev_e->listener); } void evconnlistener_set_cb(struct evconnlistener *lev, evconnlistener_cb cb, void *arg) { int enable = 0; LOCK(lev); if (lev->enabled && !lev->cb) enable = 1; lev->cb = cb; lev->user_data = arg; if (enable) evconnlistener_enable(lev); UNLOCK(lev); } void evconnlistener_set_error_cb(struct evconnlistener *lev, evconnlistener_errorcb errorcb) { LOCK(lev); lev->errorcb = errorcb; UNLOCK(lev); } static void listener_read_cb(evutil_socket_t fd, short what, void *p) { struct evconnlistener *lev = p; int err; evconnlistener_cb cb; evconnlistener_errorcb errorcb; void *user_data; LOCK(lev); while (1) { struct sockaddr_storage ss; ev_socklen_t socklen = sizeof(ss); evutil_socket_t new_fd = evutil_accept4_(fd, (struct sockaddr*)&ss, &socklen, lev->accept4_flags); if (new_fd < 0) break; if (socklen == 0) { /* This can happen with some older linux kernels in * response to nmap. */ evutil_closesocket(new_fd); continue; } if (lev->cb == NULL) { evutil_closesocket(new_fd); UNLOCK(lev); return; } ++lev->refcnt; cb = lev->cb; user_data = lev->user_data; UNLOCK(lev); cb(lev, new_fd, (struct sockaddr*)&ss, (int)socklen, user_data); LOCK(lev); if (lev->refcnt == 1) { int freed = listener_decref_and_unlock(lev); EVUTIL_ASSERT(freed); return; } --lev->refcnt; if (!lev->enabled) { /* the callback could have disabled the listener */ UNLOCK(lev); return; } } err = evutil_socket_geterror(fd); if (EVUTIL_ERR_ACCEPT_RETRIABLE(err)) { UNLOCK(lev); return; } if (lev->errorcb != NULL) { ++lev->refcnt; errorcb = lev->errorcb; user_data = lev->user_data; UNLOCK(lev); errorcb(lev, user_data); LOCK(lev); listener_decref_and_unlock(lev); } else { event_sock_warn(fd, "Error from accept() call"); UNLOCK(lev); } } #ifdef _WIN32 struct accepting_socket { CRITICAL_SECTION lock; struct event_overlapped overlapped; SOCKET s; int error; struct event_callback deferred; struct evconnlistener_iocp *lev; ev_uint8_t buflen; ev_uint8_t family; unsigned free_on_cb:1; char addrbuf[1]; }; static void accepted_socket_cb(struct event_overlapped *o, ev_uintptr_t key, ev_ssize_t n, int ok); static void accepted_socket_invoke_user_cb(struct event_callback *cb, void *arg); static void iocp_listener_event_add(struct evconnlistener_iocp *lev) { if (lev->event_added) return; lev->event_added = 1; event_base_add_virtual_(lev->event_base); } static void iocp_listener_event_del(struct evconnlistener_iocp *lev) { if (!lev->event_added) return; lev->event_added = 0; event_base_del_virtual_(lev->event_base); } static struct accepting_socket * new_accepting_socket(struct evconnlistener_iocp *lev, int family) { struct accepting_socket *res; int addrlen; int buflen; if (family == AF_INET) addrlen = sizeof(struct sockaddr_in); else if (family == AF_INET6) addrlen = sizeof(struct sockaddr_in6); else return NULL; buflen = (addrlen+16)*2; res = mm_calloc(1,sizeof(struct accepting_socket)-1+buflen); if (!res) return NULL; event_overlapped_init_(&res->overlapped, accepted_socket_cb); res->s = EVUTIL_INVALID_SOCKET; res->lev = lev; res->buflen = buflen; res->family = family; event_deferred_cb_init_(&res->deferred, event_base_get_npriorities(lev->event_base) / 2, accepted_socket_invoke_user_cb, res); InitializeCriticalSectionAndSpinCount(&res->lock, 1000); return res; } static void free_and_unlock_accepting_socket(struct accepting_socket *as) { /* requires lock. */ if (as->s != EVUTIL_INVALID_SOCKET) closesocket(as->s); LeaveCriticalSection(&as->lock); DeleteCriticalSection(&as->lock); mm_free(as); } static int start_accepting(struct accepting_socket *as) { /* requires lock */ const struct win32_extension_fns *ext = event_get_win32_extension_fns_(); DWORD pending = 0; SOCKET s = socket(as->family, SOCK_STREAM, 0); int error = 0; if (!as->lev->base.enabled) return 0; if (s == EVUTIL_INVALID_SOCKET) { error = WSAGetLastError(); goto report_err; } /* XXXX It turns out we need to do this again later. Does this call * have any effect? */ setsockopt(s, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT, (char *)&as->lev->fd, sizeof(&as->lev->fd)); if (!(as->lev->base.flags & LEV_OPT_LEAVE_SOCKETS_BLOCKING)) evutil_make_socket_nonblocking(s); if (event_iocp_port_associate_(as->lev->port, s, 1) < 0) { closesocket(s); return -1; } as->s = s; if (ext->AcceptEx(as->lev->fd, s, as->addrbuf, 0, as->buflen/2, as->buflen/2, &pending, &as->overlapped.overlapped)) { /* Immediate success! */ accepted_socket_cb(&as->overlapped, 1, 0, 1); } else { error = WSAGetLastError(); if (error != ERROR_IO_PENDING) { goto report_err; } } return 0; report_err: as->error = error; event_deferred_cb_schedule_( as->lev->event_base, &as->deferred); return 0; } static void stop_accepting(struct accepting_socket *as) { /* requires lock. */ SOCKET s = as->s; as->s = EVUTIL_INVALID_SOCKET; closesocket(s); } static void accepted_socket_invoke_user_cb(struct event_callback *dcb, void *arg) { struct accepting_socket *as = arg; struct sockaddr *sa_local=NULL, *sa_remote=NULL; int socklen_local=0, socklen_remote=0; const struct win32_extension_fns *ext = event_get_win32_extension_fns_(); struct evconnlistener *lev = &as->lev->base; evutil_socket_t sock=-1; void *data; evconnlistener_cb cb=NULL; evconnlistener_errorcb errorcb=NULL; int error; EVUTIL_ASSERT(ext->GetAcceptExSockaddrs); LOCK(lev); EnterCriticalSection(&as->lock); if (as->free_on_cb) { free_and_unlock_accepting_socket(as); listener_decref_and_unlock(lev); return; } ++lev->refcnt; error = as->error; if (error) { as->error = 0; errorcb = lev->errorcb; } else { ext->GetAcceptExSockaddrs( as->addrbuf, 0, as->buflen/2, as->buflen/2, &sa_local, &socklen_local, &sa_remote, &socklen_remote); sock = as->s; cb = lev->cb; as->s = EVUTIL_INVALID_SOCKET; /* We need to call this so getsockname, getpeername, and * shutdown work correctly on the accepted socket. */ /* XXXX handle error? */ setsockopt(sock, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT, (char *)&as->lev->fd, sizeof(&as->lev->fd)); } data = lev->user_data; LeaveCriticalSection(&as->lock); UNLOCK(lev); if (errorcb) { WSASetLastError(error); errorcb(lev, data); } else if (cb) { cb(lev, sock, sa_remote, socklen_remote, data); } LOCK(lev); if (listener_decref_and_unlock(lev)) return; EnterCriticalSection(&as->lock); start_accepting(as); LeaveCriticalSection(&as->lock); } static void accepted_socket_cb(struct event_overlapped *o, ev_uintptr_t key, ev_ssize_t n, int ok) { struct accepting_socket *as = EVUTIL_UPCAST(o, struct accepting_socket, overlapped); LOCK(&as->lev->base); EnterCriticalSection(&as->lock); if (ok) { /* XXXX Don't do this if some EV_MT flag is set. */ event_deferred_cb_schedule_( as->lev->event_base, &as->deferred); LeaveCriticalSection(&as->lock); } else if (as->free_on_cb) { struct evconnlistener *lev = &as->lev->base; free_and_unlock_accepting_socket(as); listener_decref_and_unlock(lev); return; } else if (as->s == EVUTIL_INVALID_SOCKET) { /* This is okay; we were disabled by iocp_listener_disable. */ LeaveCriticalSection(&as->lock); } else { /* Some error on accept that we couldn't actually handle. */ BOOL ok; DWORD transfer = 0, flags=0; event_sock_warn(as->s, "Unexpected error on AcceptEx"); ok = WSAGetOverlappedResult(as->s, &o->overlapped, &transfer, FALSE, &flags); if (ok) { /* well, that was confusing! */ as->error = 1; } else { as->error = WSAGetLastError(); } event_deferred_cb_schedule_( as->lev->event_base, &as->deferred); LeaveCriticalSection(&as->lock); } UNLOCK(&as->lev->base); } static int iocp_listener_enable(struct evconnlistener *lev) { int i; struct evconnlistener_iocp *lev_iocp = EVUTIL_UPCAST(lev, struct evconnlistener_iocp, base); LOCK(lev); iocp_listener_event_add(lev_iocp); for (i = 0; i < lev_iocp->n_accepting; ++i) { struct accepting_socket *as = lev_iocp->accepting[i]; if (!as) continue; EnterCriticalSection(&as->lock); if (!as->free_on_cb && as->s == EVUTIL_INVALID_SOCKET) start_accepting(as); LeaveCriticalSection(&as->lock); } UNLOCK(lev); return 0; } static int iocp_listener_disable_impl(struct evconnlistener *lev, int shutdown) { int i; struct evconnlistener_iocp *lev_iocp = EVUTIL_UPCAST(lev, struct evconnlistener_iocp, base); LOCK(lev); iocp_listener_event_del(lev_iocp); for (i = 0; i < lev_iocp->n_accepting; ++i) { struct accepting_socket *as = lev_iocp->accepting[i]; if (!as) continue; EnterCriticalSection(&as->lock); if (!as->free_on_cb && as->s != EVUTIL_INVALID_SOCKET) { if (shutdown) as->free_on_cb = 1; stop_accepting(as); } LeaveCriticalSection(&as->lock); } if (shutdown && lev->flags & LEV_OPT_CLOSE_ON_FREE) evutil_closesocket(lev_iocp->fd); UNLOCK(lev); return 0; } static int iocp_listener_disable(struct evconnlistener *lev) { return iocp_listener_disable_impl(lev,0); } static void iocp_listener_destroy(struct evconnlistener *lev) { struct evconnlistener_iocp *lev_iocp = EVUTIL_UPCAST(lev, struct evconnlistener_iocp, base); if (! lev_iocp->shutting_down) { lev_iocp->shutting_down = 1; iocp_listener_disable_impl(lev,1); } } static evutil_socket_t iocp_listener_getfd(struct evconnlistener *lev) { struct evconnlistener_iocp *lev_iocp = EVUTIL_UPCAST(lev, struct evconnlistener_iocp, base); return lev_iocp->fd; } static struct event_base * iocp_listener_getbase(struct evconnlistener *lev) { struct evconnlistener_iocp *lev_iocp = EVUTIL_UPCAST(lev, struct evconnlistener_iocp, base); return lev_iocp->event_base; } static const struct evconnlistener_ops evconnlistener_iocp_ops = { iocp_listener_enable, iocp_listener_disable, iocp_listener_destroy, iocp_listener_destroy, /* shutdown */ iocp_listener_getfd, iocp_listener_getbase }; /* XXX define some way to override this. */ #define N_SOCKETS_PER_LISTENER 4 struct evconnlistener * evconnlistener_new_async(struct event_base *base, evconnlistener_cb cb, void *ptr, unsigned flags, int backlog, evutil_socket_t fd) { struct sockaddr_storage ss; int socklen = sizeof(ss); struct evconnlistener_iocp *lev; int i; flags |= LEV_OPT_THREADSAFE; if (!base || !event_base_get_iocp_(base)) goto err; /* XXXX duplicate code */ if (backlog > 0) { if (listen(fd, backlog) < 0) goto err; } else if (backlog < 0) { if (listen(fd, 128) < 0) goto err; } if (getsockname(fd, (struct sockaddr*)&ss, &socklen)) { event_sock_warn(fd, "getsockname"); goto err; } lev = mm_calloc(1, sizeof(struct evconnlistener_iocp)); if (!lev) { event_warn("calloc"); goto err; } lev->base.ops = &evconnlistener_iocp_ops; lev->base.cb = cb; lev->base.user_data = ptr; lev->base.flags = flags; lev->base.refcnt = 1; lev->base.enabled = 1; lev->port = event_base_get_iocp_(base); lev->fd = fd; lev->event_base = base; if (event_iocp_port_associate_(lev->port, fd, 1) < 0) goto err_free_lev; EVTHREAD_ALLOC_LOCK(lev->base.lock, EVTHREAD_LOCKTYPE_RECURSIVE); lev->n_accepting = N_SOCKETS_PER_LISTENER; lev->accepting = mm_calloc(lev->n_accepting, sizeof(struct accepting_socket *)); if (!lev->accepting) { event_warn("calloc"); goto err_delete_lock; } for (i = 0; i < lev->n_accepting; ++i) { lev->accepting[i] = new_accepting_socket(lev, ss.ss_family); if (!lev->accepting[i]) { event_warnx("Couldn't create accepting socket"); goto err_free_accepting; } if (cb && start_accepting(lev->accepting[i]) < 0) { event_warnx("Couldn't start accepting on socket"); EnterCriticalSection(&lev->accepting[i]->lock); free_and_unlock_accepting_socket(lev->accepting[i]); goto err_free_accepting; } ++lev->base.refcnt; } iocp_listener_event_add(lev); return &lev->base; err_free_accepting: mm_free(lev->accepting); /* XXXX free the other elements. */ err_delete_lock: EVTHREAD_FREE_LOCK(lev->base.lock, EVTHREAD_LOCKTYPE_RECURSIVE); err_free_lev: mm_free(lev); err: /* Don't close the fd, it is caller's responsibility. */ return NULL; } #endif lldpd-1.0.18/libevent/CMakeLists.txt0000644000076400001440000013166414111362570016521 0ustar00bernatusers# # Libevent CMake project # # Based on initial work by: # Alexey Ozeritsky # # Additional changes: # Brodie Thiesfield # Joakim Soderberg # Trond Norbye # Sergei Nikulov # # Build example: # # cd libevent # md build # cd build # cmake -G "Visual Studio 10" .. # start libevent.sln # cmake_minimum_required(VERSION 3.1 FATAL_ERROR) if (POLICY CMP0054) cmake_policy(SET CMP0054 NEW) endif() if (POLICY CMP0074) cmake_policy(SET CMP0074 NEW) endif() if (POLICY CMP0075) cmake_policy(SET CMP0075 NEW) endif() if(NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE Release CACHE STRING "Set build type to Debug o Release (default Release)" FORCE) endif() string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LOWER) # get rid of the extra default configurations # what? why would you get id of other useful build types? - Ellzey set(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "Limited configurations" FORCE) set(EVENT__LIBRARY_TYPE DEFAULT CACHE STRING "Set library type to SHARED/STATIC/BOTH (default SHARED for MSVC, otherwise BOTH)") project(libevent C) list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/") string(REGEX MATCH "SunOS" SOLARIS "${CMAKE_SYSTEM_NAME}") include(CheckTypeSize) include(CheckFileOffsetBits) include(Macros) include(CheckVariableExists) include(CheckSymbolExists) include(CheckStructHasMember) include(CheckCSourceCompiles) include(CheckPrototypeDefinition) include(CheckFunctionKeywords) include(CheckConstExists) include(AddCompilerFlags) include(VersionViaGit) event_fuzzy_version_from_git() set(EVENT_VERSION_MAJOR ${EVENT_GIT___VERSION_MAJOR}) set(EVENT_VERSION_MINOR ${EVENT_GIT___VERSION_MINOR}) set(EVENT_VERSION_PATCH ${EVENT_GIT___VERSION_PATCH}) set(EVENT_VERSION_STAGE ${EVENT_GIT___VERSION_STAGE}) set(EVENT_ABI_MAJOR ${EVENT_VERSION_MAJOR}) set(EVENT_ABI_MINOR ${EVENT_VERSION_MINOR}) set(EVENT_ABI_PATCH ${EVENT_VERSION_PATCH}) set(EVENT_ABI_LIBVERSION "${EVENT_ABI_MAJOR}.${EVENT_ABI_MINOR}.${EVENT_ABI_PATCH}") set(EVENT_PACKAGE_VERSION "${EVENT_VERSION_MAJOR}.${EVENT_VERSION_MINOR}.${EVENT_VERSION_PATCH}") set(EVENT_NUMERIC_VERSION 0x02010c00) # equals to VERSION_INFO in Makefile.am set(EVENT_ABI_LIBVERSION_CURRENT 7) set(EVENT_ABI_LIBVERSION_REVISION 1) set(EVENT_ABI_LIBVERSION_AGE 0) # equals to RELEASE in Makefile.am set(EVENT_PACKAGE_RELEASE 2.1) # only a subset of names can be used, defaults to "beta" set(EVENT_STAGE_NAME ${EVENT_VERSION_STAGE}) # a list that defines what can set for EVENT_STAGE_VERSION set(EVENT__ALLOWED_STAGE_NAMES rc beta alpha alpha-dev release stable ) list( FIND EVENT__ALLOWED_STAGE_NAMES "${EVENT_STAGE_NAME}" EVENT__STAGE_RET ) if (EVENT__STAGE_RET EQUAL -1) message(WARNING "stage ${EVENT_STAGE_NAME} is not allowed, reset to beta") set(EVENT_STAGE_NAME beta) endif() set(EVENT_VERSION "${EVENT_VERSION_MAJOR}.${EVENT_VERSION_MINOR}.${EVENT_VERSION_PATCH}-${EVENT_STAGE_NAME}") option(EVENT__DISABLE_DEBUG_MODE "Define if libevent should build without support for a debug mode" OFF) option(EVENT__ENABLE_VERBOSE_DEBUG "Enables verbose debugging" OFF) option(EVENT__DISABLE_MM_REPLACEMENT "Define if libevent should not allow replacing the mm functions" OFF) option(EVENT__DISABLE_THREAD_SUPPORT "Define if libevent should not be compiled with thread support" OFF) option(EVENT__DISABLE_OPENSSL "Define if libevent should build without support for OpenSSL encryption" OFF) option(EVENT__DISABLE_BENCHMARK "Defines if libevent should build without the benchmark executables" OFF) option(EVENT__DISABLE_TESTS "If tests should be compiled or not" OFF) option(EVENT__DISABLE_REGRESS "Disable the regress tests" OFF) option(EVENT__DISABLE_SAMPLES "Disable sample files" OFF) option(EVENT__DISABLE_CLOCK_GETTIME "Do not use clock_gettime even if it is available" OFF) option(EVENT__FORCE_KQUEUE_CHECK "When crosscompiling forces running a test program that verifies that Kqueue works with pipes. Note that this requires you to manually run the test program on the cross compilation target to verify that it works. See cmake documentation for try_run for more details" OFF) # TODO: Add --disable-largefile omit support for large files option(EVENT__COVERAGE "Enable running gcov to get a test coverage report (only works with GCC/CLang). Make sure to enable -DCMAKE_BUILD_TYPE=Debug as well." OFF) # Put the libaries and binaries that get built into directories at the # top of the build tree rather than in hard-to-find leaf directories. # # But only if this variables are not defined yet # (i.e. libevent is used via add_subdirectory()) if (NOT DEFINED CMAKE_RUNTIME_OUTPUT_DIRECTORY) set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin) endif() if (NOT DEFINED CMAKE_LIBRARY_OUTPUT_DIRECTORY) set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib) endif() if (NOT DEFINED CMAKE_ARCHIVE_OUTPUT_DIRECTORY) set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib) endif() if (EVENT__ENABLE_VERBOSE_DEBUG) add_definitions(-DUSE_DEBUG=1) endif() # make it colorful under ninja-build if ("${CMAKE_GENERATOR}" STREQUAL "Ninja") add_compiler_flags(-fdiagnostics-color=always) endif() # Setup compiler flags for coverage. if (EVENT__COVERAGE) if (NOT "${CMAKE_BUILD_TYPE_LOWER}" STREQUAL "debug") message(FATAL_ERROR "Coverage requires -DCMAKE_BUILD_TYPE=Debug") endif() message(STATUS "Setting coverage compiler flags") set(CMAKE_REQUIRED_LIBRARIES "--coverage") add_compiler_flags(-g -O0 --coverage) set(CMAKE_REQUIRED_LIBRARIES "") endif() set(GNUC 0) set(CLANG 0) set(MSVC 0) if (("${CMAKE_C_COMPILER_ID}" STREQUAL "Clang") OR ("${CMAKE_C_COMPILER_ID}" STREQUAL "AppleClang")) set(CLANG 1) endif() if (("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU") OR (${CLANG})) set(GNUC 1) endif() if (("${CMAKE_C_COMPILER_ID}" STREQUAL "MSVC") OR (${CLANG})) set(MSVC 1) endif() # Detect library type set(EVENT_LIBRARY_TYPE) if ("${EVENT__LIBRARY_TYPE}" STREQUAL "DEFAULT") if (${MSVC}) set(EVENT_LIBRARY_TYPE SHARED) else() set(EVENT_LIBRARY_TYPE BOTH) endif() else() string(TOUPPER "${EVENT__LIBRARY_TYPE}" EVENT_LIBRARY_TYPE) endif() if ((${MSVC}) AND ("${EVENT_LIBRARY_TYPE}" STREQUAL "BOTH")) message(WARNING "Building SHARED and STATIC is not supported for MSVC " "(due to conflicts in library name" " between STATIC library and IMPORTED library for SHARED libraries)") endif() set(EVENT_LIBRARY_STATIC OFF) set(EVENT_LIBRARY_SHARED OFF) if ("${EVENT_LIBRARY_TYPE}" STREQUAL "BOTH") set(EVENT_LIBRARY_STATIC ON) set(EVENT_LIBRARY_SHARED ON) elseif ("${EVENT_LIBRARY_TYPE}" STREQUAL "STATIC") set(EVENT_LIBRARY_STATIC ON) elseif ("${EVENT_LIBRARY_TYPE}" STREQUAL "SHARED") set(EVENT_LIBRARY_SHARED ON) else() message(FATAL_ERROR "${EVENT_LIBRARY_TYPE} is not supported") endif() if (${MSVC}) set(msvc_static_runtime OFF) if ("${EVENT_LIBRARY_TYPE}" STREQUAL "STATIC") set(msvc_static_runtime ON) endif() # For more info: # - https://docs.microsoft.com/en-us/cpp/build/reference/md-mt-ld-use-run-time-library?view=vs-2017 # - https://gitlab.kitware.com/cmake/community/wikis/FAQ#how-can-i-build-my-msvc-application-with-a-static-runtime option(EVENT__MSVC_STATIC_RUNTIME "Link static runtime libraries" ${msvc_static_runtime}) if (EVENT__MSVC_STATIC_RUNTIME) foreach (flag_var CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO ) if (${flag_var} MATCHES "/MD") string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}") endif() endforeach() endif() endif() # GNUC specific options. if (${GNUC}) option(EVENT__DISABLE_GCC_WARNINGS "Disable verbose warnings with GCC" OFF) option(EVENT__ENABLE_GCC_HARDENING "Enable compiler security checks" OFF) option(EVENT__ENABLE_GCC_FUNCTION_SECTIONS "Enable gcc function sections" OFF) option(EVENT__ENABLE_GCC_WARNINGS "Make all GCC warnings into errors" OFF) set(GCC_V ${CMAKE_C_COMPILER_VERSION}) list(APPEND __FLAGS -Wall -Wextra -Wno-unused-parameter -Wstrict-aliasing -Wstrict-prototypes -fno-strict-aliasing # gcc 2.9.5+ -Wmissing-prototypes # gcc 4 -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement # gcc 4.2 -Waddress -Wnormalized=id -Woverride-init # gcc 4.5 -Wlogical-op -Wwrite-strings ) if (${CLANG}) list(APPEND __FLAGS -Wno-unused-function) endif() if (EVENT__DISABLE_GCC_WARNINGS) list(APPEND __FLAGS -w) endif() if (EVENT__ENABLE_GCC_HARDENING) list(APPEND __FLAGS -fstack-protector-all -fwrapv -fPIE -Wstack-protector "--param ssp-buffer-size=1") add_definitions(-D_FORTIFY_SOURCE=2) endif() if (EVENT__ENABLE_GCC_FUNCTION_SECTIONS) list(APPEND __FLAGS -ffunction-sections) # TODO: Add --gc-sections support. We need some checks for NetBSD to ensure this works. endif() if (EVENT__ENABLE_GCC_WARNINGS) list(APPEND __FLAGS -Werror) endif() add_compiler_flags(${__FLAGS}) endif() if (APPLE) # Get rid of deprecated warnings for OpenSSL on OSX 10.7 and greater. add_compiler_flags( -Wno-error=deprecated-declarations -Qunused-arguments ) endif() if (MINGW OR CYGWIN) set(WIN32 TRUE) endif() # Winsock. if(WIN32) set(CMAKE_REQUIRED_LIBRARIES ws2_32 shell32 advapi32) set(CMAKE_REQUIRED_DEFINITIONS -FIwinsock2.h -FIws2tcpip.h -D_WIN32_WINNT=0x0600) endif() if (SOLARIS) set(CMAKE_REQUIRED_LIBRARIES socket nsl) endif() # Check if _GNU_SOURCE is available. if (NOT DEFINED _GNU_SOURCE) CHECK_SYMBOL_EXISTS(__GNU_LIBRARY__ "features.h" _GNU_SOURCE) if (NOT _GNU_SOURCE) unset(_GNU_SOURCE CACHE) CHECK_SYMBOL_EXISTS(_GNU_SOURCE "features.h" _GNU_SOURCE) endif() if (ANDROID) set(_GNU_SOURCE TRUE) endif() endif() if (_GNU_SOURCE) add_definitions(-D_GNU_SOURCE=1) set(CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE) endif() # Check if header files exist list(APPEND FILES_TO_CHECK fcntl.h inttypes.h memory.h signal.h stdarg.h stddef.h stdint.h stdlib.h string.h errno.h unistd.h time.h sys/types.h sys/stat.h sys/time.h sys/param.h ) if (WIN32) list(APPEND FILES_TO_CHECK io.h winsock2.h ws2tcpip.h afunix.h ) else() list(APPEND FILES_TO_CHECK netdb.h dlfcn.h arpa/inet.h poll.h port.h sys/socket.h sys/random.h sys/un.h sys/devpoll.h sys/epoll.h sys/eventfd.h sys/event.h sys/ioctl.h sys/mman.h sys/queue.h sys/select.h sys/sendfile.h sys/uio.h sys/wait.h sys/resource.h sys/timerfd.h netinet/in.h netinet/in6.h netinet/tcp.h ifaddrs.h ) endif() if (NOT "${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Linux") list(APPEND FILES_TO_CHECK sys/sysctl.h) endif() if (APPLE) list(APPEND FILES_TO_CHECK mach/mach_time.h mach/mach.h ) endif() foreach(FILE ${FILES_TO_CHECK}) CHECK_INCLUDE_FILE_CONCAT(${FILE} "EVENT") endforeach() unset(FILES_TO_CHECK) # Check if functions exist list(APPEND SYMBOLS_TO_CHECK getaddrinfo getnameinfo getprotobynumber getservbyname gethostbyname inet_ntop inet_pton gettimeofday signal strtoll splice strlcpy strsep strtok_r vasprintf timerclear timercmp timerisset timeradd nanosleep putenv umask ) if (NOT EVENT__DISABLE_CLOCK_GETTIME) list(APPEND SYMBOLS_TO_CHECK clock_gettime) endif() if (WIN32) list(APPEND SYMBOLS_TO_CHECK _gmtime64_s _gmtime64 ) else() list(APPEND SYMBOLS_TO_CHECK getifaddrs select epoll_create epoll_create1 epoll_ctl eventfd poll port_create kqueue fcntl mmap pipe pipe2 sendfile sigaction strsignal sysctl accept4 arc4random arc4random_buf arc4random_addrandom getrandom getegid geteuid issetugid usleep timerfd_create setenv unsetenv setrlimit gethostbyname_r ) if (APPLE) list(APPEND SYMBOLS_TO_CHECK mach_absolute_time) endif() endif() # Add stdio.h for vasprintf set(EVENT_INCLUDES ${EVENT_INCLUDES} stdio.h) CHECK_SYMBOLS_EXIST("${SYMBOLS_TO_CHECK}" "${EVENT_INCLUDES}" "EVENT") unset(SYMBOLS_TO_CHECK) set(EVENT__HAVE_EPOLL ${EVENT__HAVE_EPOLL_CREATE}) # Get the gethostbyname_r prototype. if(EVENT__HAVE_GETHOSTBYNAME_R) CHECK_PROTOTYPE_DEFINITION(gethostbyname_r "int gethostbyname_r(const char *name, struct hostent *hp, struct hostent_data *hdata)" "0" "netdb.h" EVENT__HAVE_GETHOSTBYNAME_R_3_ARG) CHECK_PROTOTYPE_DEFINITION(gethostbyname_r "struct hostent *gethostbyname_r(const char *name, struct hostent *hp, char *buf, size_t buflen, int *herr)" "NULL" "netdb.h" EVENT__HAVE_GETHOSTBYNAME_R_5_ARG) CHECK_PROTOTYPE_DEFINITION(gethostbyname_r "int gethostbyname_r(const char *name, struct hostent *hp, char *buf, size_t buflen, struct hostent **result, int *herr)" "0" "netdb.h" EVENT__HAVE_GETHOSTBYNAME_R_6_ARG) endif() if(HAVE_PORT_H AND HAVE_PORT_CREATE) set(EVENT__HAVE_EVENT_PORTS 1) endif() # Only `CHECK_TYPE_SIZE()' will use `CMAKE_EXTRA_INCLUDE_FILES' set(CMAKE_EXTRA_INCLUDE_FILES ${EVENT_INCLUDES}) CHECK_TYPE_SIZE("struct sockaddr_un" EVENT__HAVE_STRUCT_SOCKADDR_UN) CHECK_TYPE_SIZE("uint8_t" EVENT__HAVE_UINT8_T) CHECK_TYPE_SIZE("uint16_t" EVENT__HAVE_UINT16_T) CHECK_TYPE_SIZE("uint32_t" EVENT__HAVE_UINT32_T) CHECK_TYPE_SIZE("uint64_t" EVENT__HAVE_UINT64_T) CHECK_TYPE_SIZE("short" EVENT__SIZEOF_SHORT BUILTIN_TYPES_ONLY) CHECK_TYPE_SIZE("int" EVENT__SIZEOF_INT BUILTIN_TYPES_ONLY) CHECK_TYPE_SIZE("unsigned" EVENT__SIZEOF_UNSIGNED BUILTIN_TYPES_ONLY) CHECK_TYPE_SIZE("unsigned int" EVENT__SIZEOF_UNSIGNED_INT BUILTIN_TYPES_ONLY) CHECK_TYPE_SIZE("long" EVENT__SIZEOF_LONG BUILTIN_TYPES_ONLY) CHECK_TYPE_SIZE("long long" EVENT__SIZEOF_LONG_LONG BUILTIN_TYPES_ONLY) if(WIN32) # These aren't available until Windows Vista. # But you can still link them. They just won't be found when running the exe. set(EVENT__HAVE_INET_NTOP 0) set(EVENT__HAVE_INET_PTON 0) endif() # Check for different inline keyword versions. check_function_keywords("inline" "__inline" "__inline__") if (HAVE_INLINE) set(EVENT__inline inline) elseif (HAVE___INLINE) set(EVENT__inline __inline) elseif(HAVE___INLINE__) set(EVENT__inline __inline__) else() set(EVENT__inline) endif() # __func__/__FUNCTION__ is not a macros in general CHECK_SYMBOL_EXISTS("__func__" "" EVENT__HAVE___func__) CHECK_SYMBOL_EXISTS("__FUNCTION__" "" EVENT__HAVE___FUNCTION__) CHECK_SYMBOL_EXISTS(TAILQ_FOREACH sys/queue.h EVENT__HAVE_TAILQFOREACH) CHECK_CONST_EXISTS(CTL_KERN sys/sysctl.h EVENT__HAVE_DECL_CTL_KERN) CHECK_CONST_EXISTS(KERN_ARND sys/sysctl.h EVENT__HAVE_DECL_KERN_ARND) CHECK_SYMBOL_EXISTS(F_SETFD fcntl.h EVENT__HAVE_SETFD) CHECK_TYPE_SIZE(fd_mask EVENT__HAVE_FD_MASK) CHECK_TYPE_SIZE(size_t EVENT__SIZEOF_SIZE_T) if(NOT EVENT__SIZEOF_SIZE_T) set(EVENT__size_t "unsigned") set(EVENT__SIZEOF_SIZE_T ${EVENT__SIZEOF_UNSIGNED}) else() set(EVENT__size_t size_t) endif() CHECK_TYPE_SIZE("off_t" EVENT__SIZEOF_OFF_T LANGUAGE C) # XXX we should functionalize these size and type sets. --elley # Winssck. if (_MSC_VER) list(APPEND CMAKE_EXTRA_INCLUDE_FILES BaseTsd.h) endif() CHECK_TYPE_SIZE("ssize_t" EVENT__SIZEOF_SSIZE_T_LOWER LANGUAGE C) CHECK_TYPE_SIZE("SSIZE_T" EVENT__SIZEOF_SSIZE_T_UPPER LANGUAGE C) if (EVENT__SIZEOF_SSIZE_T_LOWER) set(EVENT__ssize_t "ssize_t") set(EVENT__SIZEOF_SSIZE_T ${EVENT__SIZEOF_SSIZE_T_LOWER}) elseif (EVENT__SIZEOF_SSIZE_T_UPPER) set(EVENT__ssize_t "SSIZE_T") set(EVENT__SIZEOF_SSIZE_T ${EVENT__SIZEOF_SSIZE_T_UPPER}) else() set(EVENT__ssize_t "int") set(EVENT__SIZEOF_SSIZE_T ${EVENT__SIZEOF_INT}) endif() CHECK_TYPE_SIZE(socklen_t EVENT__SIZEOF_SOCKLEN_T) if(NOT EVENT__SIZEOF_SOCKLEN_T) set(EVENT__socklen_t "unsigned int") set(EVENT__SIZEOF_SOCKLEN_T ${EVENT__SIZEOF_UNSIGNED_INT}) else() set(EVENT__socklen_t "socklen_t") endif() CHECK_TYPE_SIZE(pid_t EVENT__SIZEOF_PID_T) if(NOT EVENT__SIZEOF_PID_T) set(EVENT__SIZEOF_PID_T ${EVENT__SIZEOF_INT}) else() set(EVENT__SIZEOF_PID_T EVENT__SIZEOF_PID_T) endif() if (NOT EVENT__DISABLE_THREAD_SUPPORT) if (NOT WIN32) list(APPEND CMAKE_EXTRA_INCLUDE_FILES pthread.h) endif() CHECK_TYPE_SIZE(pthread_t EVENT__SIZEOF_PTHREAD_T) endif() if(EVENT__HAVE_CLOCK_GETTIME) set(EVENT__DNS_USE_CPU_CLOCK_FOR_ID 1) endif() # we're just getting lazy now. CHECK_TYPE_SIZE("uintptr_t" EVENT__HAVE_UINTPTR_T) CHECK_TYPE_SIZE("void *" EVENT__SIZEOF_VOID_P) CHECK_TYPE_SIZE("time_t" EVENT__SIZEOF_TIME_T) # Tests file offset bits. # TODO: Add AIX test for if -D_LARGE_FILES is needed. # XXX: Why is this here? we don't even use it. Well, we don't even use it # on top of that, why is it set in the config.h?! IT_MAKES_NO_SENSE # I'm commenting it out for now. # - ellzey #CHECK_FILE_OFFSET_BITS() # Verify kqueue works with pipes. if (EVENT__HAVE_KQUEUE) if ((CMAKE_CROSSCOMPILING OR APPLE) AND NOT EVENT__FORCE_KQUEUE_CHECK) message(WARNING "Cannot check if kqueue works with pipes when crosscompiling, use EVENT__FORCE_KQUEUE_CHECK to be sure (this requires manually running a test program on the cross compilation target)") set(EVENT__HAVE_WORKING_KQUEUE 1) else() message(STATUS "Checking if kqueue works with pipes...") include(CheckWorkingKqueue) endif() endif() if(EVENT__HAVE_NETDB_H) list(APPEND CMAKE_EXTRA_INCLUDE_FILES netdb.h) CHECK_TYPE_SIZE("struct addrinfo" EVENT__HAVE_STRUCT_ADDRINFO) elseif(WIN32) list(APPEND CMAKE_EXTRA_INCLUDE_FILES ws2tcpip.h) CHECK_TYPE_SIZE("struct addrinfo" EVENT__HAVE_STRUCT_ADDRINFO) endif() # Check for sockaddr structure sizes. set(SOCKADDR_HEADERS) if (WIN32) set(CMAKE_REQUIRED_DEFINITIONS "-DWIN32_LEAN_AND_MEAN") if (_MSC_VER LESS 1300) set(SOCKADDR_HEADERS winsock.h) else() set(SOCKADDR_HEADERS winsock2.h ws2tcpip.h) endif() else() if (EVENT__HAVE_NETINET_IN_H) set(SOCKADDR_HEADERS ${SOCKADDR_HEADERS} netinet/in.h) endif() if (EVENT__HAVE_NETINET_IN6_H) set(SOCKADDR_HEADERS ${SOCKADDR_HEADERS} netinet/in6.h) endif() if (EVENT__HAVE_SYS_SOCKET_H) set(SOCKADDR_HEADERS ${SOCKADDR_HEADERS} sys/socket.h) endif() if (EVENT__HAVE_NETDB_H) set(SOCKADDR_HEADERS ${SOCKADDR_HEADERS} netdb.h) endif() endif() CHECK_TYPE_SIZE("struct in6_addr" EVENT__HAVE_STRUCT_IN6_ADDR) if(EVENT__HAVE_STRUCT_IN6_ADDR) CHECK_STRUCT_HAS_MEMBER("struct in6_addr" s6_addr16 "${SOCKADDR_HEADERS}" EVENT__HAVE_STRUCT_IN6_ADDR_S6_ADDR16) CHECK_STRUCT_HAS_MEMBER("struct in6_addr" s6_addr32 "${SOCKADDR_HEADERS}" EVENT__HAVE_STRUCT_IN6_ADDR_S6_ADDR32) endif() CHECK_TYPE_SIZE("sa_family_t" EVENT__HAVE_SA_FAMILY_T) CHECK_TYPE_SIZE("struct sockaddr_in6" EVENT__HAVE_STRUCT_SOCKADDR_IN6) if(EVENT__HAVE_STRUCT_SOCKADDR_IN6) CHECK_STRUCT_HAS_MEMBER("struct sockaddr_in6" sin6_len "${SOCKADDR_HEADERS}" EVENT__HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN) CHECK_STRUCT_HAS_MEMBER("struct sockaddr_in6" sin_len "${SOCKADDR_HEADERS}" EVENT__HAVE_STRUCT_SOCKADDR_IN_SIN_LEN) endif() CHECK_TYPE_SIZE("struct sockaddr_storage" EVENT__HAVE_STRUCT_SOCKADDR_STORAGE) if(EVENT__HAVE_STRUCT_SOCKADDR_STORAGE) CHECK_STRUCT_HAS_MEMBER("struct sockaddr_storage" ss_family "${SOCKADDR_HEADERS}" EVENT__HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY) CHECK_STRUCT_HAS_MEMBER("struct sockaddr_storage" __ss_family "${SOCKADDR_HEADERS}" EVENT__HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY) endif() CHECK_TYPE_SIZE("struct linger" EVENT__HAVE_STRUCT_LINGER) # Group the source files. set(HDR_PRIVATE bufferevent-internal.h changelist-internal.h defer-internal.h epolltable-internal.h evbuffer-internal.h event-internal.h evmap-internal.h evrpc-internal.h evsignal-internal.h evthread-internal.h ht-internal.h http-internal.h iocp-internal.h ipv6-internal.h log-internal.h minheap-internal.h mm-internal.h ratelim-internal.h strlcpy-internal.h util-internal.h evconfig-private.h compat/sys/queue.h) set(HDR_COMPAT include/evdns.h include/evrpc.h include/event.h include/evhttp.h include/evutil.h) set(HDR_PUBLIC include/event2/buffer.h include/event2/bufferevent.h include/event2/bufferevent_compat.h include/event2/bufferevent_struct.h include/event2/buffer_compat.h include/event2/dns.h include/event2/dns_compat.h include/event2/dns_struct.h include/event2/event.h include/event2/event_compat.h include/event2/event_struct.h include/event2/http.h include/event2/http_compat.h include/event2/http_struct.h include/event2/keyvalq_struct.h include/event2/listener.h include/event2/rpc.h include/event2/rpc_compat.h include/event2/rpc_struct.h include/event2/tag.h include/event2/tag_compat.h include/event2/thread.h include/event2/util.h include/event2/visibility.h ${PROJECT_BINARY_DIR}/include/event2/event-config.h) set(SRC_CORE buffer.c bufferevent.c bufferevent_filter.c bufferevent_pair.c bufferevent_ratelim.c bufferevent_sock.c event.c evmap.c evthread.c evutil.c evutil_rand.c evutil_time.c listener.c log.c signal.c strlcpy.c) if(EVENT__HAVE_SELECT) list(APPEND SRC_CORE select.c) endif() if(EVENT__HAVE_POLL) list(APPEND SRC_CORE poll.c) endif() if(EVENT__HAVE_KQUEUE) list(APPEND SRC_CORE kqueue.c) endif() if(EVENT__HAVE_DEVPOLL) list(APPEND SRC_CORE devpoll.c) endif() if(EVENT__HAVE_EPOLL) list(APPEND SRC_CORE epoll.c) endif() if(EVENT__HAVE_EVENT_PORTS) list(APPEND SRC_CORE evport.c) endif() if (NOT EVENT__DISABLE_OPENSSL) find_package(OpenSSL REQUIRED) set(EVENT__HAVE_OPENSSL 1) message(STATUS "OpenSSL include: ${OPENSSL_INCLUDE_DIR}") message(STATUS "OpenSSL lib: ${OPENSSL_LIBRARIES}") include_directories(${OPENSSL_INCLUDE_DIR}) list(APPEND SRC_OPENSSL bufferevent_openssl.c) list(APPEND HDR_PUBLIC include/event2/bufferevent_ssl.h) list(APPEND LIB_APPS ${OPENSSL_LIBRARIES}) endif() if (NOT EVENT__DISABLE_THREAD_SUPPORT) if (WIN32) list(APPEND SRC_CORE evthread_win32.c) else() find_package(Threads REQUIRED) if (NOT CMAKE_USE_PTHREADS_INIT) message(FATAL_ERROR "Failed to find Pthreads, set EVENT__DISABLE_THREAD_SUPPORT to disable") endif() set(EVENT__HAVE_PTHREADS 1) list(APPEND LIB_APPS ${CMAKE_THREAD_LIBS_INIT}) endif() endif() if (NOT EVENT__DISABLE_TESTS) # Zlib is only used for testing. find_package(ZLIB) if (ZLIB_LIBRARY AND ZLIB_INCLUDE_DIR) include_directories(${ZLIB_INCLUDE_DIRS}) set(EVENT__HAVE_LIBZ 1) list(APPEND LIB_APPS ${ZLIB_LIBRARIES}) endif() endif() set(SRC_EXTRA event_tagging.c http.c evdns.c evrpc.c) add_definitions(-DHAVE_CONFIG_H) # We use BEFORE here so we don't accidentally look in system directories # first for some previous versions of the headers that are installed. include_directories(BEFORE ${PROJECT_SOURCE_DIR} ${PROJECT_SOURCE_DIR}/compat ${PROJECT_SOURCE_DIR}/include) if(WIN32) list(APPEND SRC_CORE buffer_iocp.c bufferevent_async.c event_iocp.c win32select.c) list(APPEND HDR_PRIVATE WIN32-Code/getopt.h) set(EVENT__DNS_USE_FTIME_FOR_ID 1) set(LIB_PLATFORM ws2_32 shell32 advapi32) add_definitions( -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE) include_directories(./WIN32-Code) endif() if (SOLARIS) list(APPEND LIB_PLATFORM socket nsl) endif() source_group("Headers Private" FILES ${HDR_PRIVATE}) source_group("Header Compat" FILES ${HDR_COMPAT}) source_group("Headers Public" FILES ${HDR_PUBLIC}) source_group("Source Core" FILES ${SRC_CORE}) source_group("Source Extra" FILES ${SRC_EXTRA}) # Generate the configure headers. # (Place them in the build dir so we don't polute the source tree with generated files). include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR}/include) if (${GNUC}) set(EVENT_SHARED_FLAGS -fvisibility=hidden) elseif ("${CMAKE_C_COMPILER_ID}" STREQUAL "SunPro") set(EVENT_SHARED_FLAGS -xldscope=hidden) endif() configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/event-config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/include/event2/event-config.h NEWLINE_STYLE UNIX) configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/evconfig-private.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/include/evconfig-private.h) # # Create the libraries. # include(AddEventLibrary) add_event_library(event_core SOURCES ${SRC_CORE}) add_event_library(event_extra INNER_LIBRARIES event_core SOURCES ${SRC_EXTRA}) if (NOT EVENT__DISABLE_OPENSSL) add_event_library(event_openssl INNER_LIBRARIES event_core OUTER_INCLUDES ${OPENSSL_INCLUDE_DIR} LIBRARIES ${OPENSSL_LIBRARIES} SOURCES ${SRC_OPENSSL}) endif() if (EVENT__HAVE_PTHREADS) set(SRC_PTHREADS evthread_pthread.c) add_event_library(event_pthreads INNER_LIBRARIES event_core SOURCES ${SRC_PTHREADS}) endif() # library exists for historical reasons; it contains the contents of # both libevent_core and libevent_extra. You shouldn’t use it; it may # go away in a future version of Libevent. add_event_library(event SOURCES ${SRC_CORE} ${SRC_EXTRA}) set(WIN32_GETOPT) if (WIN32) set(_TMPLIBS) if (${EVENT_LIBRARY_STATIC}) list(APPEND _TMPLIBS event_core_static event_static) endif() if (${EVENT_LIBRARY_SHARED}) list(APPEND _TMPLIBS event_core_shared event_shared) endif() foreach(lib ${_TMPLIBS}) target_link_libraries(${lib} iphlpapi) endforeach() unset(_TMPLIBS) list(APPEND WIN32_GETOPT WIN32-Code/getopt.c WIN32-Code/getopt_long.c) endif() # # Samples. # macro(add_sample_prog ssl name) add_executable(${name} ${ARGN}) target_link_libraries(${name} event_extra event_core ${LIB_APPS} ${LIB_PLATFORM}) if (${ssl}) target_link_libraries(${name} event_openssl) if(WIN32) target_link_libraries(${name} crypt32) endif() endif() endmacro() if (NOT EVENT__DISABLE_SAMPLES) set(SAMPLES event-read-fifo hello-world signal-test http-connect time-test) foreach(SAMPLE ${SAMPLES}) add_sample_prog(OFF ${SAMPLE} sample/${SAMPLE}.c) endforeach() if (NOT EVENT__DISABLE_OPENSSL) add_sample_prog(ON https-client sample/https-client.c sample/openssl_hostname_validation.c sample/hostcheck.c) add_sample_prog(ON le-proxy sample/le-proxy.c) endif() set(SAMPLES_WOPT dns-example http-server ) foreach (SAMPLE ${SAMPLES_WOPT}) add_sample_prog(OFF ${SAMPLE} sample/${SAMPLE}.c ${WIN32_GETOPT}) endforeach() endif() # # Benchmarks # macro(add_bench_prog prog) add_executable(${prog} ${ARGN}) target_link_libraries(${prog} event_extra event_core ${LIB_APPS} ${LIB_PLATFORM}) endmacro() if (NOT EVENT__DISABLE_BENCHMARK) foreach (BENCHMARK bench_http bench_httpclient) add_bench_prog(${BENCHMARK} test/${BENCHMARK}.c) endforeach() add_bench_prog(bench test/bench.c ${WIN32_GETOPT}) add_bench_prog(bench_cascade test/bench_cascade.c ${WIN32_GETOPT}) endif() # # Tests # macro(add_test_prog prog) add_executable(${prog} test/${prog}.c) target_link_libraries(${prog} ${LIB_APPS} ${LIB_PLATFORM} event_core event_extra ${ARGN}) endmacro() if (NOT EVENT__DISABLE_TESTS) # # Generate Regress tests. # if (NOT EVENT__DISABLE_REGRESS) # (We require python to generate the regress tests) find_package(PythonInterp 3) if (PYTHONINTERP_FOUND) set(__FOUND_USABLE_PYTHON 1) else() find_package(PythonInterp 2) if (PYTHONINTERP_FOUND) set(__FOUND_USABLE_PYTHON 1) else() message(ERROR "No suitable Python version found, bailing...") endif() endif() if (__FOUND_USABLE_PYTHON) message(STATUS "Generating regress tests...") add_definitions(-DTINYTEST_LOCAL) add_custom_command( OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/test/regress.gen.c ${CMAKE_CURRENT_SOURCE_DIR}/test/regress.gen.h DEPENDS event_rpcgen.py test/regress.rpc COMMAND ${PYTHON_EXECUTABLE} ../event_rpcgen.py --quiet regress.rpc WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) list(APPEND SRC_REGRESS test/regress.c test/regress.gen.c test/regress.gen.h test/regress_buffer.c test/regress_bufferevent.c test/regress_dns.c test/regress_et.c test/regress_finalize.c test/regress_http.c test/regress_listener.c test/regress_main.c test/regress_minheap.c test/regress_rpc.c test/regress_testutils.c test/regress_testutils.h test/regress_util.c test/tinytest.c) if (WIN32) list(APPEND SRC_REGRESS test/regress_iocp.c) if (NOT EVENT__DISABLE_THREAD_SUPPORT) list(APPEND SRC_REGRESS test/regress_thread.c) endif() elseif (EVENT__HAVE_PTHREADS) list(APPEND SRC_REGRESS test/regress_thread.c) endif() if (ZLIB_LIBRARY AND ZLIB_INCLUDE_DIR) list(APPEND SRC_REGRESS test/regress_zlib.c) endif() if (NOT EVENT__DISABLE_OPENSSL) list(APPEND SRC_REGRESS test/regress_ssl.c) endif() add_executable(regress ${SRC_REGRESS}) target_link_libraries(regress ${LIB_APPS} ${LIB_PLATFORM} event_core event_extra) if (NOT EVENT__DISABLE_OPENSSL) target_link_libraries(regress event_openssl) endif() if (CMAKE_USE_PTHREADS_INIT) target_link_libraries(regress event_pthreads) endif() else() message(WARNING "No suitable Python interpreter found, cannot generate regress tests!") endif() endif() # # Test programs. # # all of these, including the cmakelists.txt should be moved # into the dirctory 'tests' first. # # doing this, we can remove all the DISABLE_TESTS stuff, and simply # do something like: # # add_custom_targets(tests) # add_executable(... EXCLUDE_FROM_ALL ...c) # add_dependencis(tests testa testb testc) # add_test(....) # # then you can just run 'make tests' instead of them all # auto-compile|running # - ellzey set(TESTPROGS test-changelist test-eof test-closed test-fdleak test-init test-time test-weof) foreach (TESTPROG ${TESTPROGS} test-dumpevents) add_test_prog(${TESTPROG}) endforeach() if (UNIX) add_test_prog(test-ratelim m) else() add_test_prog(test-ratelim) endif() set(ALL_TESTPROGS ${TESTPROGS} test-dumpevents test-ratelim ) # # We run all tests with the different backends turned on one at a time. # # Add event backends based on system introspection result. set(BACKENDS "") if (EVENT__HAVE_EPOLL) list(APPEND BACKENDS EPOLL) endif() if (EVENT__HAVE_SELECT) list(APPEND BACKENDS SELECT) endif() if (EVENT__HAVE_POLL) list(APPEND BACKENDS POLL) endif() if (EVENT__HAVE_KQUEUE) list(APPEND BACKENDS KQUEUE) endif() if (EVENT__HAVE_EVENT_PORTS) list(APPEND BACKENDS EVPORT) endif() if (EVENT__HAVE_DEVPOLL) list(APPEND BACKENDS DEVPOLL) endif() if (WIN32) list(APPEND BACKENDS WIN32) endif() # Default environment variables turns off all event systems, # then we enable each one, one at a time when creating the tests. set(DEFAULT_TEST_ENV_VARS) foreach(BACKEND ${BACKENDS}) set(BACKEND_ENV_VAR "EVENT_NO${BACKEND}=1") list(APPEND DEFAULT_TEST_ENV_VARS "${BACKEND_ENV_VAR}") endforeach() # Macro that creates the ctest test for a backend. macro(add_backend_test BACKEND_TEST_NAME ENV_VARS) set(TEST_NAMES "") foreach (TESTPROG ${TESTPROGS}) set(TEST_NAME ${TESTPROG}__${BACKEND_TEST_NAME}) add_test(${TEST_NAME} ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${TESTPROG}) list(APPEND TEST_NAMES ${TEST_NAME}) set_tests_properties(${TEST_NAME} PROPERTIES ENVIRONMENT "${ENV_VARS}") endforeach() # Dump events test. if (__FOUND_USABLE_PYTHON) set(TEST_NAME test-dumpevents__${BACKEND_TEST_NAME}) add_test(${TEST_NAME} ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/test-dumpevents | ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test/check-dumpevents.py) set_tests_properties(${TEST_NAME} PROPERTIES ENVIRONMENT "${ENV_VARS}") else() message(WARNING "test-dumpevents will be run without output check since python was not found!") set(TEST_NAME test-dumpevents__${BACKEND_TEST_NAME}_no_check) add_test(${TEST_NAME} ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/test-dumpevents) set_tests_properties(${TEST_NAME} PROPERTIES ENVIRONMENT "${ENV_VARS}") endif() # Regress tests. if (NOT EVENT__DISABLE_REGRESS AND __FOUND_USABLE_PYTHON) set(TEST_NAME regress__${BACKEND_TEST_NAME}) add_test(${TEST_NAME} ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/regress --quiet) set_tests_properties(${TEST_NAME} PROPERTIES ENVIRONMENT "${ENV_VARS}") add_test(${TEST_NAME}_debug ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/regress --quiet) set_tests_properties(${TEST_NAME}_debug PROPERTIES ENVIRONMENT "${ENV_VARS};EVENT_DEBUG_MODE=1") endif() endmacro() # Add the tests for each backend. foreach(BACKEND ${BACKENDS}) # Enable this backend only. set(BACKEND_ENV_VARS ${DEFAULT_TEST_ENV_VARS}) list(REMOVE_ITEM BACKEND_ENV_VARS EVENT_NO${BACKEND}=1) # Epoll has some extra settings. if (${BACKEND} STREQUAL "EPOLL") add_backend_test(timerfd_${BACKEND} "${BACKEND_ENV_VARS};EVENT_PRECISE_TIMER=1") add_backend_test(changelist_${BACKEND} "${BACKEND_ENV_VARS};EVENT_EPOLL_USE_CHANGELIST=yes") add_backend_test(timerfd_changelist_${BACKEND} "${BACKEND_ENV_VARS};EVENT_EPOLL_USE_CHANGELIST=yes;EVENT_PRECISE_TIMER=1") else() add_backend_test(${BACKEND} "${BACKEND_ENV_VARS}") endif() endforeach() # # Rate limiter tests. # # Group limits, no connection limit. set(RL_BIN ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/test-ratelim) add_test(test-ratelim__group_lim ${RL_BIN} -g 30000 -n 30 -t 100 --check-grouplimit 1000 --check-stddev 100) # Connection limit, no group limit. add_test(test-ratelim__con_lim ${RL_BIN} -c 1000 -n 30 -t 100 --check-connlimit 50 --check-stddev 50) # Connection limit and group limit. add_test(test-ratelim__group_con_lim ${RL_BIN} -c 1000 -g 30000 -n 30 -t 100 --check-grouplimit 1000 --check-connlimit 50 --check-stddev 50) # Connection limit and group limit with independent drain. add_test(test-ratelim__group_con_lim_drain ${RL_BIN} -c 1000 -g 35000 -n 30 -t 100 -G 500 --check-grouplimit 1000 --check-connlimit 50 --check-stddev 50) # Add a "make verify" target, same as for autoconf. # (Important! This will unset all EVENT_NO* environment variables. # If they are set in the shell the tests are running using simply "ctest" or "make test" will fail) if (WIN32) # Windows doesn't have "unset". But you can use "set VAR=" instead. # We need to guard against the possibility taht EVENT_NOWIN32 is set, and all test failing # since no event backend being available. file(TO_NATIVE_PATH ${CMAKE_CTEST_COMMAND} WINDOWS_CTEST_COMMAND) file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/tmp/verify_tests.bat " set EVENT_NOWIN32= \"${WINDOWS_CTEST_COMMAND}\" ") message(STATUS "${WINDOWS_CTEST_COMMAND}") file(COPY ${CMAKE_CURRENT_BINARY_DIR}/tmp/verify_tests.bat DESTINATION ${CMAKE_CURRENT_BINARY_DIR} FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE) file(TO_NATIVE_PATH "${CMAKE_CURRENT_BINARY_DIR}/verify_tests.bat" VERIFY_PATH) add_custom_target(verify COMMAND "${VERIFY_PATH}" DEPENDS event ${ALL_TESTPROGS}) else() # On some platforms doing exec(unset) as CMake does won't work, so make sure # we run the unset command in a shell instead. # First we write the script contents. file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/tmp/verify_tests.sh " #!/bin/bash unset EVENT_NOEPOLL; unset EVENT_NOPOLL; unset EVENT_NOSELECT; unset EVENT_NOWIN32; unset EVENT_NOEVPORT; unset EVENT_NOKQUEUE; unset EVENT_NODEVPOLL ${CMAKE_CTEST_COMMAND} ") # Then we copy the file (this allows us to set execute permission on it) file(COPY ${CMAKE_CURRENT_BINARY_DIR}/tmp/verify_tests.sh DESTINATION ${CMAKE_CURRENT_BINARY_DIR} FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE) # Create the target that runs the script. add_custom_target(verify COMMAND ${CMAKE_CURRENT_BINARY_DIR}/verify_tests.sh DEPENDS event ${ALL_TESTPROGS}) endif() if (NOT EVENT__DISABLE_REGRESS AND __FOUND_USABLE_PYTHON) add_dependencies(verify regress) endif() if (EVENT__COVERAGE) include(CodeCoverage) setup_target_for_coverage( verify_coverage # Coverage target name "make verify_coverage" make # Test runner. coverage # Output directory. verify) # Arguments passed to test runner. "make verify" endif() enable_testing() include(CTest) endif() # # Installation preparation. # set(EVENT_INSTALL_CMAKE_DIR "${CMAKE_INSTALL_PREFIX}/lib/cmake/libevent") export(PACKAGE libevent) function(gen_package_config forinstall) if(${forinstall}) set(CONFIG_FOR_INSTALL_TREE 1) set(dir "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}") else() set(CONFIG_FOR_INSTALL_TREE 0) set(dir "${PROJECT_BINARY_DIR}") endif() configure_file(${PROJECT_SOURCE_DIR}/cmake/LibeventConfig.cmake.in "${dir}/LibeventConfig.cmake" @ONLY) endfunction() # Generate the config file for the build-tree. set(EVENT__INCLUDE_DIRS "${PROJECT_SOURCE_DIR}/include" "${PROJECT_BINARY_DIR}/include") set(LIBEVENT_INCLUDE_DIRS ${EVENT__INCLUDE_DIRS} CACHE PATH "Libevent include directories") gen_package_config(0) # Generate the config file for the installation tree. gen_package_config(1) # Generate version info for both build-tree and install-tree. configure_file(${PROJECT_SOURCE_DIR}/cmake/LibeventConfigVersion.cmake.in ${PROJECT_BINARY_DIR}/LibeventConfigVersion.cmake @ONLY) # Install compat headers install(FILES ${HDR_COMPAT} DESTINATION "include" COMPONENT dev) # Install public headers install(FILES ${HDR_PUBLIC} DESTINATION "include/event2" COMPONENT dev) # Install the configs. install(FILES ${PROJECT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/LibeventConfig.cmake ${PROJECT_BINARY_DIR}/LibeventConfigVersion.cmake DESTINATION "${EVENT_INSTALL_CMAKE_DIR}" COMPONENT dev) # Install exports for the install-tree. macro(install_export type) install(EXPORT LibeventTargets-${type} NAMESPACE ${PROJECT_NAME}:: DESTINATION "${EVENT_INSTALL_CMAKE_DIR}" COMPONENT dev) endmacro() if (${EVENT_LIBRARY_STATIC}) install_export(static) endif() if (${EVENT_LIBRARY_SHARED}) install_export(shared) endif() # Install the scripts. install(PROGRAMS ${CMAKE_CURRENT_SOURCE_DIR}/event_rpcgen.py DESTINATION "bin" COMPONENT runtime) # Create documents with doxygen. option(EVENT__DOXYGEN "Enables doxygen documentation" OFF) if (EVENT__DOXYGEN) include(UseDoxygen) UseDoxygen() endif() if (NOT TARGET uninstall) # Create the uninstall target. # https://gitlab.kitware.com/cmake/community/wikis/FAQ#can-i-do-make-uninstall-with-cmake configure_file(${PROJECT_SOURCE_DIR}/cmake/Uninstall.cmake.in ${PROJECT_BINARY_DIR}/Uninstall.cmake @ONLY) add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P ${PROJECT_BINARY_DIR}/Uninstall.cmake) endif() message(STATUS "") message(STATUS " ---( Libevent " ${EVENT_VERSION} " )---") message(STATUS "") message(STATUS "Available event backends: ${BACKENDS}") message(STATUS "CMAKE_BINARY_DIR: ${CMAKE_BINARY_DIR}") message(STATUS "CMAKE_CURRENT_BINARY_DIR: ${CMAKE_CURRENT_BINARY_DIR}") message(STATUS "CMAKE_SOURCE_DIR: ${CMAKE_SOURCE_DIR}") message(STATUS "CMAKE_CURRENT_SOURCE_DIR: ${CMAKE_CURRENT_SOURCE_DIR}") message(STATUS "PROJECT_BINARY_DIR: ${PROJECT_BINARY_DIR}") message(STATUS "PROJECT_SOURCE_DIR: ${PROJECT_SOURCE_DIR}") message(STATUS "CMAKE_MODULE_PATH: ${CMAKE_MODULE_PATH}") message(STATUS "CMAKE_COMMAND: ${CMAKE_COMMAND}") message(STATUS "CMAKE_ROOT: ${CMAKE_ROOT}") message(STATUS "CMAKE_SYSTEM: ${CMAKE_SYSTEM}") message(STATUS "CMAKE_SYSTEM_NAME: ${CMAKE_SYSTEM_NAME}") message(STATUS "CMAKE_SYSTEM_VERSION: ${CMAKE_SYSTEM_VERSION}") message(STATUS "CMAKE_SYSTEM_PROCESSOR: ${CMAKE_SYSTEM_PROCESSOR}") message(STATUS "CMAKE_SKIP_RPATH: ${CMAKE_SKIP_RPATH}") message(STATUS "CMAKE_VERBOSE_MAKEFILE: ${CMAKE_VERBOSE_MAKEFILE}") message(STATUS "CMAKE_C_FLAGS: ${CMAKE_C_FLAGS}") message(STATUS "CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}") message(STATUS "CMAKE_C_COMPILER: ${CMAKE_C_COMPILER} (id ${CMAKE_C_COMPILER_ID}, clang ${CLANG}, GNUC ${GNUC})") message(STATUS "CMAKE_AR: ${CMAKE_AR}") message(STATUS "CMAKE_RANLIB: ${CMAKE_RANLIB}") message(STATUS "") lldpd-1.0.18/libevent/bufferevent_pair.c0000644000076400001440000002310514111362570017441 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos, Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #include #ifdef _WIN32 #include #endif #include "event2/util.h" #include "event2/buffer.h" #include "event2/bufferevent.h" #include "event2/bufferevent_struct.h" #include "event2/event.h" #include "defer-internal.h" #include "bufferevent-internal.h" #include "mm-internal.h" #include "util-internal.h" struct bufferevent_pair { struct bufferevent_private bev; struct bufferevent_pair *partner; /* For ->destruct() lock checking */ struct bufferevent_pair *unlinked_partner; }; /* Given a bufferevent that's really a bev part of a bufferevent_pair, * return that bufferevent_filtered. Returns NULL otherwise.*/ static inline struct bufferevent_pair * upcast(struct bufferevent *bev) { struct bufferevent_pair *bev_p; if (!BEV_IS_PAIR(bev)) return NULL; bev_p = EVUTIL_UPCAST(bev, struct bufferevent_pair, bev.bev); EVUTIL_ASSERT(BEV_IS_PAIR(&bev_p->bev.bev)); return bev_p; } #define downcast(bev_pair) (&(bev_pair)->bev.bev) static inline void incref_and_lock(struct bufferevent *b) { struct bufferevent_pair *bevp; bufferevent_incref_and_lock_(b); bevp = upcast(b); if (bevp->partner) bufferevent_incref_and_lock_(downcast(bevp->partner)); } static inline void decref_and_unlock(struct bufferevent *b) { struct bufferevent_pair *bevp = upcast(b); if (bevp->partner) bufferevent_decref_and_unlock_(downcast(bevp->partner)); bufferevent_decref_and_unlock_(b); } /* XXX Handle close */ static void be_pair_outbuf_cb(struct evbuffer *, const struct evbuffer_cb_info *, void *); static struct bufferevent_pair * bufferevent_pair_elt_new(struct event_base *base, int options) { struct bufferevent_pair *bufev; if (! (bufev = mm_calloc(1, sizeof(struct bufferevent_pair)))) return NULL; if (bufferevent_init_common_(&bufev->bev, base, &bufferevent_ops_pair, options)) { mm_free(bufev); return NULL; } if (!evbuffer_add_cb(bufev->bev.bev.output, be_pair_outbuf_cb, bufev)) { bufferevent_free(downcast(bufev)); return NULL; } bufferevent_init_generic_timeout_cbs_(&bufev->bev.bev); return bufev; } int bufferevent_pair_new(struct event_base *base, int options, struct bufferevent *pair[2]) { struct bufferevent_pair *bufev1 = NULL, *bufev2 = NULL; int tmp_options; options |= BEV_OPT_DEFER_CALLBACKS; tmp_options = options & ~BEV_OPT_THREADSAFE; bufev1 = bufferevent_pair_elt_new(base, options); if (!bufev1) return -1; bufev2 = bufferevent_pair_elt_new(base, tmp_options); if (!bufev2) { bufferevent_free(downcast(bufev1)); return -1; } if (options & BEV_OPT_THREADSAFE) { /*XXXX check return */ bufferevent_enable_locking_(downcast(bufev2), bufev1->bev.lock); } bufev1->partner = bufev2; bufev2->partner = bufev1; evbuffer_freeze(downcast(bufev1)->input, 0); evbuffer_freeze(downcast(bufev1)->output, 1); evbuffer_freeze(downcast(bufev2)->input, 0); evbuffer_freeze(downcast(bufev2)->output, 1); pair[0] = downcast(bufev1); pair[1] = downcast(bufev2); return 0; } static void be_pair_transfer(struct bufferevent *src, struct bufferevent *dst, int ignore_wm) { size_t dst_size; size_t n; evbuffer_unfreeze(src->output, 1); evbuffer_unfreeze(dst->input, 0); if (dst->wm_read.high) { dst_size = evbuffer_get_length(dst->input); if (dst_size < dst->wm_read.high) { n = dst->wm_read.high - dst_size; evbuffer_remove_buffer(src->output, dst->input, n); } else { if (!ignore_wm) goto done; n = evbuffer_get_length(src->output); evbuffer_add_buffer(dst->input, src->output); } } else { n = evbuffer_get_length(src->output); evbuffer_add_buffer(dst->input, src->output); } if (n) { BEV_RESET_GENERIC_READ_TIMEOUT(dst); if (evbuffer_get_length(dst->output)) BEV_RESET_GENERIC_WRITE_TIMEOUT(dst); else BEV_DEL_GENERIC_WRITE_TIMEOUT(dst); } bufferevent_trigger_nolock_(dst, EV_READ, 0); bufferevent_trigger_nolock_(src, EV_WRITE, 0); done: evbuffer_freeze(src->output, 1); evbuffer_freeze(dst->input, 0); } static inline int be_pair_wants_to_talk(struct bufferevent_pair *src, struct bufferevent_pair *dst) { return (downcast(src)->enabled & EV_WRITE) && (downcast(dst)->enabled & EV_READ) && !dst->bev.read_suspended && evbuffer_get_length(downcast(src)->output); } static void be_pair_outbuf_cb(struct evbuffer *outbuf, const struct evbuffer_cb_info *info, void *arg) { struct bufferevent_pair *bev_pair = arg; struct bufferevent_pair *partner = bev_pair->partner; incref_and_lock(downcast(bev_pair)); if (info->n_added > info->n_deleted && partner) { /* We got more data. If the other side's reading, then hand it over. */ if (be_pair_wants_to_talk(bev_pair, partner)) { be_pair_transfer(downcast(bev_pair), downcast(partner), 0); } } decref_and_unlock(downcast(bev_pair)); } static int be_pair_enable(struct bufferevent *bufev, short events) { struct bufferevent_pair *bev_p = upcast(bufev); struct bufferevent_pair *partner = bev_p->partner; incref_and_lock(bufev); if (events & EV_READ) { BEV_RESET_GENERIC_READ_TIMEOUT(bufev); } if ((events & EV_WRITE) && evbuffer_get_length(bufev->output)) BEV_RESET_GENERIC_WRITE_TIMEOUT(bufev); /* We're starting to read! Does the other side have anything to write?*/ if ((events & EV_READ) && partner && be_pair_wants_to_talk(partner, bev_p)) { be_pair_transfer(downcast(partner), bufev, 0); } /* We're starting to write! Does the other side want to read? */ if ((events & EV_WRITE) && partner && be_pair_wants_to_talk(bev_p, partner)) { be_pair_transfer(bufev, downcast(partner), 0); } decref_and_unlock(bufev); return 0; } static int be_pair_disable(struct bufferevent *bev, short events) { if (events & EV_READ) { BEV_DEL_GENERIC_READ_TIMEOUT(bev); } if (events & EV_WRITE) { BEV_DEL_GENERIC_WRITE_TIMEOUT(bev); } return 0; } static void be_pair_unlink(struct bufferevent *bev) { struct bufferevent_pair *bev_p = upcast(bev); if (bev_p->partner) { bev_p->unlinked_partner = bev_p->partner; bev_p->partner->partner = NULL; bev_p->partner = NULL; } } /* Free *shared* lock in the latest be (since we share it between two of them). */ static void be_pair_destruct(struct bufferevent *bev) { struct bufferevent_pair *bev_p = upcast(bev); /* Transfer ownership of the lock into partner, otherwise we will use * already free'd lock during freeing second bev, see next example: * * bev1->own_lock = 1 * bev2->own_lock = 0 * bev2->lock = bev1->lock * * bufferevent_free(bev1) # refcnt == 0 -> unlink * bufferevent_free(bev2) # refcnt == 0 -> unlink * * event_base_free() -> finilizers -> EVTHREAD_FREE_LOCK(bev1->lock) * -> BEV_LOCK(bev2->lock) <-- already freed * * Where bev1 == pair[0], bev2 == pair[1]. */ if (bev_p->unlinked_partner && bev_p->bev.own_lock) { bev_p->unlinked_partner->bev.own_lock = 1; bev_p->bev.own_lock = 0; } bev_p->unlinked_partner = NULL; } static int be_pair_flush(struct bufferevent *bev, short iotype, enum bufferevent_flush_mode mode) { struct bufferevent_pair *bev_p = upcast(bev); struct bufferevent *partner; if (!bev_p->partner) return -1; if (mode == BEV_NORMAL) return 0; incref_and_lock(bev); partner = downcast(bev_p->partner); if ((iotype & EV_READ) != 0) be_pair_transfer(partner, bev, 1); if ((iotype & EV_WRITE) != 0) be_pair_transfer(bev, partner, 1); if (mode == BEV_FINISHED) { short what = BEV_EVENT_EOF; if (iotype & EV_READ) what |= BEV_EVENT_WRITING; if (iotype & EV_WRITE) what |= BEV_EVENT_READING; bufferevent_run_eventcb_(partner, what, 0); } decref_and_unlock(bev); return 0; } struct bufferevent * bufferevent_pair_get_partner(struct bufferevent *bev) { struct bufferevent_pair *bev_p; struct bufferevent *partner = NULL; bev_p = upcast(bev); if (! bev_p) return NULL; incref_and_lock(bev); if (bev_p->partner) partner = downcast(bev_p->partner); decref_and_unlock(bev); return partner; } const struct bufferevent_ops bufferevent_ops_pair = { "pair_elt", evutil_offsetof(struct bufferevent_pair, bev.bev), be_pair_enable, be_pair_disable, be_pair_unlink, be_pair_destruct, bufferevent_generic_adj_timeouts_, be_pair_flush, NULL, /* ctrl */ }; lldpd-1.0.18/libevent/autogen.sh0000755000076400001440000000065714111362570015757 0ustar00bernatusers#!/bin/sh MAKE=make if command -v gmake >/dev/null 2>/dev/null; then MAKE=gmake fi $MAKE maintainer-clean >/dev/null 2>/dev/null if [ -x "`which autoreconf 2>/dev/null`" ] ; then exec autoreconf -ivf fi LIBTOOLIZE=libtoolize SYSNAME=`uname` if [ "x$SYSNAME" = "xDarwin" ] ; then LIBTOOLIZE=glibtoolize fi aclocal -I m4 && \ autoheader && \ $LIBTOOLIZE && \ autoconf && \ automake --add-missing --force-missing --copy lldpd-1.0.18/libevent/ChangeLog-2.00000644000076400001440000024262314111362570016026 0ustar00bernatusersChanges in version 2.0.21-stable (18 Nov 2012) BUGFIXES: o ssl: Don't discard SSL read event when timeout and read come close together (576b29f) o ssl: Stop looping in "consider_reading" if reading is suspended. (f719b8a Joachim Bauch) o ssl: No need to reserve space if reading is suspended. (1acf2eb Joachim Bauch) o dns: Avoid a memory-leak on OOM in evdns. (73e85dd, f2bff75 George Danchev) o build: Use python2 rather than python (0eb0109 Ross Lagerwall) o build: Compile without warnings on mingw64 (94866c2) o build: Fix compilation on mingw64 with -DUSE_DEBUG (62bd2c4) o build: Make rpcgen_wrapper.sh work on systems without a "python2" binary (f3009e4) o iocp: Close IOCP listener socket on free when LEV_OPT_CLOSE_ON_FREE is set (cb853ea Juan Pablo Fernandez) o core: Avoid crash when event_pending() called with no event_base set on event (e3cccf3) o misc: remove stray 'x' so print_err will compile when uncommented (ac35650 Patrick Pelletier) o tests: Fix renegotiation test to work around openssl 1.0.1 bug (c2f3086) o tests: Warn when openssl version in unit test mismatches compiled version. (ac009f9) Changes in version 2.0.20-stable (23 Aug 2012) BUGFIXES: o core: Make event_pending() threadsafe. (be7a95c Simon Liu) o win32: avoid crash when waiting forever on zero fds. (160e58b) o evhttp: Fix a memory leak on error in evhttp_uriencode (11c8b31) o evbuffer: Avoid possible needless call to writev. Found by coverity. (6a4ec5c) o evdns: memset sockaddr_in before using it. Found by coverity. (a1a0e67) o evhttp: Check more setsockopt return values when binding sockets. Found by coverity (a0912e3) o evdns: Avoid segfault on weird timeout during name lookup. (dc32077 Greg Hazel) o bufferevent_ssl: Correctly invoke callbacks when a SSL bufferevent reads some and then blocks. (606ac43) PORTABILITY FIXES: o check for arc4random_buf at runtime, on OS X (bff5f94 Greg Hazel) o Correctly check for arc4random_buf (fcec3e8 Sebastian Hahn) o Add explicit AC_PROG_SED to configure.in so all autoconfs will expose $(SED) (ca80ea6) BUILD FIXES: o Add GCC annotations so that the vsprintf functions get checked properly (117e327) o Fix an unused variable warning on *BSD. (c0720c1) UNIT TEST FIXES: o Fix a couple of memory leaks (found with Valgrind). (3b2529a Ross Lagerwall) o Remove deadcode in http regression tests. Found by coverity. (5553346) o Fix possible uninitialized read in dns regression tests. Found by coverity. (2259777) o Set umask before calling mkstemp in unit tests. Found by coverity (f1ce15d) o Fix various check-after-dereference issues in unit tests: found by coverity (4f3732d) o Fix resource leaks in the unit tests; found by coverity (270f279) o Add some missing null checks to unit tests; found by coverity (f021c3d) o Avoid more crashes/bad calls in unit tests; found by coverity (3cde5bf) o Remove unused variable; spotted by coverity (6355b2a) o Add checks to various return values in unit tests. Found by coverity (b9e7329) o Move assignment outside tt_assert in ssl unit tests. Appeases coverity. (a2006c0) Changes in version 2.0.19-stable (3 May 2012) BUGFIXES (CORE): o Refactor event_persist_closure: raise and extract some common logic (bec22b4) o If time has jumped so we'd reschedule a periodic event in the past, schedule it for the future instead (dfd808c) o If a higher-priority event becomes active, don't continue running events of the current priority. (2bfda40) BUGFIXES (SSL): o Fixed potential double-readcb execution with openssl bufferevents. (4e62cd1 Mark Ellzey) BUGFIXES (DNS): o Cancel a probe request when the server is freed, and ignore cancelled probe callbacks (94d2336 Greg Hazel) o Remove redundant DNS_ERR_CANCEL check, move comment (46b8060 Greg Hazel) o When retransmitting a timed-out DNS request, pick a fresh nameserver. (3d9e52a) DOCUMENTATION FIXES: o Fix a typo in the bufferevent documentation (98e9119) o Add missing ) to changelog; spotted by rransom (4c7ee6b) o Fix the website URL in the readme (f775521) COMPILATION FIXES: o Fix a compilation error with MSVC 2005 due to use of mode_t (336dcae) o Configure with gcc older than 2.95 (4a6fd43 Sebastian Hahn) o Generate event-config.h with a single sed script (30b6f88 Zack Weinberg) FORWARD-COMPATIBILITY: o Backport: provide EVENT_LOG_* names, and deprecate _EVENT_LOG_* (d1a03b2) TESTING/DEBUGGING SUPPORT: o dns-example.c can now take a resolv.conf file on the commandline (6610fa5) o Make some evdns.c debug logs more verbose (d873d67) o Work-around a stupid gcov-breaking bug in OSX 10.6 (b3887cd) Changes in version 2.0.18-stable (22 Mar 2012) BUGFIXES (core): o Make uses of open() close-on-exec safe by introducing an internal evutil_open_closeonexec. (d2b5f72 Ross Lagerwall, 03dce42) BUGFIXES (kqueue): o Properly zero the kevent in kq_setup_kevent() (c2c7b39 Sebastian Hahn) BUILD FIXES: o Added OPENSSL_LDFLAGS env variable which is appended to SSL checks. (9278196 Mark Ellzey) o Changed OPENSSL_LDFLAGS to OPENSSL_LIBADD (2d67b63 Mark Ellzey) o Don't do clang version detection when disabling some flags (083296b Sebastian Hahn) BUGFIXES (dns): o Stop crashing in evdns when nameserver probes give a weird error (bec5068) Changes in version 2.0.17-stable (10 Feb 2012) BUGFIXES (core): o Be absolutely sure to clear pncalls before leaving event_signal_closure (11f36a5) o check for sysctl before we use it (358c745 Mike Frysinger) o Remove bogus casts of socket to int before calling ev_callback (f032516) o Make evconnlistener work around bug in older Linux when getting nmapped (ecfc720) o Fix a list corruption bug when using event_reinit() with signals present (6e41cdc) o Fix a fd leak in event_reinit() (3f18ad1) o Do a memberwise comparison of threading function tables (c94a5f2 Nate R) o Use C-style comments in C source files (for compatibility with compilers such as xlc on AIX). (d84d917 Greg Hewgill) o Avoid crash when freeing event_iocp and using event_set_mem_functions (19715a6) o In the kqueue backend, do not report EBADF as an EV_READ (5d7bfa1 Nicholas Marriott) BUGFIXES (evbuffer and bufferevents): o Fix behavior of evbuffer_peek(buf,-1,NULL,NULL,0) (c986f23 Zack Weinberg) o Loop on filtering SSL reads until we are blocked or exhausted. (5b4b812) BUGFIXES (evhttp): o Force strict validation of HTTP version in response. (790f6b3 Catalin Patulea) BUGFIXES (evdns): o evdns: fix a bug in circular-queue implementation (d6094b1) BUILD FIXES: o Fix a silly compilation error with the sun compiler (1927776 Colin Watt) o Suppress a gcc warning from ignoring fwrite return in http-sample.c (7206e8c) DOCUMENTATION FIXES: o Slightly clarify evbuffer_peek documentation (7bbf6ca) o Update copyright notices to 2012 (e49e289) NEW APIS: o Backport evhttp_connection_get_bufferevent to Libevent 2.0 (da70fa7 Arno Bakker) TESTS AND TEST FIXES: o Fix a race condition in the dns/bufferevent_connect_hostname test. (cba48c7) o Add function to check referential integrity of an event_base (27737d5) o Check event_base correctness at end of each unit test (3312b02) o Workaround in the unit tests for an apparent epoll bug in Linux 3.2 (dab9187) o Better workaround for Linux 3.2 edge-triggered epoll bug (9f9e259) Changes in version 2.0.16-stable (18 Nov 2011) BUGFIXES (core): o More detailed message in case of libevent self-debugging failure. (9e6a4ef Leonid Evdokimov) o epoll: close fd on alloc fail at initialization (1aee718 Jamie Iles) o Fix compile warning from saying event2/*.h inside a comment (447b0ba) o Warn when unable to construct base because of failing make_base_notifiable (4e797f3) o Don't try to make notifiable event_base when no threading fns are configured (e787413) BUGFIXES (evbuffer): o unit test for remove_buffer bug (90bd620 Greg Hazel) o Fix an evbuffer crash in evbuffer_remove_buffer() (c37069c) BUGFIXES (bufferevent_openssl): o Refactor amount-to-read calculations in buffervent_ssl consider_reading() (a186e73 Mark Ellzey) o Move SSL rate-limit enforcement into bytes_to_read() (96c562f) o Avoid spinning on OpenSSL reads (2aa036f Mark Ellzey) BUGFIXES (dns) o Empty DNS reply with OK status is another way to say NODATA. (21a08d6 Leonid Evdokimov) TESTING: o Tests for 94fba5b and f72e8f6 (d58c15e Leonid Evdokimov) o Test for commit aff6ba1 (f7841bf Leonid Evdokimov) o Style and comment tweaks for dns/leak* tests (5e42202) o improve test to remove at least one buffer from src (7eb52eb Greg Hazel) DOCUMENTATION: o Add note about evhttp_send_reply_end to its doxygen (724bfb5) o Update copyright dates to 2011. (3c824bd) o Fix typo in whatsnew-2.0.txt (674bc6a Mansour Moufid) o Improve win32 behavior of dns-sample.c code (a3f320e Gisle Vanem) Changes in version 2.0.15-stable (12 Oct 2011) BUGFIXES (DNS): o DNS: add ttl for negative answers using RFC 2308 idea. (f72e8f6 Leonid Evdokimov) o Add DNS_ERR_NODATA error code to handle empty replies. (94fba5b Leonid Evdokimov) BUFGIXES (bufferevents and evbuffers): o Make evbuffer callbacks get the right n_added value after evbuffer_add (1ef1f68 Alex) o Prefer mmap to sendfile unless a DRAINS_TO_FD flag is set. Allows add_file to work with SSL. (0ba0af9) BUGFIXES (event loop): o When a signal callback is activated to run multiple times, allow event_base_loopbreak to work even before they all have run. (4e8eb6a) DOCUMENTATION FIXES: o Fix docstring in dns.h (2b6eae5 Leonid Evdokimov) o refer to non-deprecated evdns functions in comments (ba5c27d Greg Hazel) BUILD AND TESTING FIXES: o le-proxy and regress depend on openssl directly (9ae061a Sergey Avseyev) o Use _SOURCES, not _sources, in sample/Makefile.am (7f82382) o Fixed compiler warnings for unchecked read/write calls. (c3b62fd Mark Ellzey) o Make write-checking fixes use tt_fail_perror (2b76847) o Fix some "value never used" warnings with gcc 4.6.1 (39c0cf7) Changes in version 2.0.14-stable (31 Aug 2011) BUGFIXES (bufferevents and evbuffers): o Propagate errors on the underlying bufferevent to the user. (4a34394 Joachim Bauch) o Ignore OpenSSL deprecation warnings on OS X (5d1b255 Sebastian Hahn) o Fix handling of group rate limits under 64 bytes of burst (6d5440e) o Solaris sendfile: correctly detect amount of data sent (643922e Michael Herf) o Make rate limiting work with common_timeout logic (5b18f13) o clear read watermark on underlying bufferevent when creating filtering bev to fix potentially failing fragmented ssl handshakes (54f7e61 Joachim Bauch) BUGFIXES (IOCP): o IOCP: don't launch reads or writes on an unconnected socket (495c227) o Make IOCP rate-limiting group support stricter and less surprising. (a98da7b) o Have test-ratelim.c support IOCP (0ff2c5a) o Make overlapped reads result in evbuffer callbacks getting invoked (6acfbdd) o Correctly terminate IO on an async bufferevent on bufferevent_free (e6af35d) BUGFIXES (other): o Fix evsig_dealloc memory leak with debugging turned on. (9b724b2 Leonid Evdokimov) o Fix request_finished memory leak with debugging turned on. (aff6ba1 Leonid Evdokimov) BUILD AND TESTING FIXES: o Allow OS-neutral builds for platforms where some versions have arc4random_buf (b442302 Mitchell Livingston) o Try to fix 'make distcheck' errors when building out-of-tree (04656ea Dave Hart) o Clean up some problems identified by Coverity. (7c11e51 Harlan Stenn) Changes in version 2.0.13-stable (18 Jul 2011) BUGFIXES o Avoid race-condition when initializing global locks (b683cae) o Fix bug in SSL bufferevents backed by a bev with a write high-watermarks (e050703 Joachim Bauch) o Speed up invoke_callbacks on evbuffers when there are no callbacks (f87f568 Mark Ellzey) o Avoid a segfault when all methods are disabled or broken (27ce38b) o Fix incorrect results from evbuffer_search_eol(EOL_LF) (4461f1a) o Add some missing checks for mm_calloc failures (89d5e09) o Replace an assertion for event_base_free(NULL) with a check-and-warn (09fe97d) o Report kqueue ebadf, epipe, and eperm as EV_READ events (1fd34ab) o Check if the `evhttp_new_object' function in `http.c' returns NULL. (446cc7a Mansour Moufid) o Use the correct printf args when formatting size_t (3203f88) o Complain if the caller tries to change threading cbs after setting them (cb6ecee) DOCUMENTATION FIXES AND IMPROVEMENTS o Revise the event/evbuffer/bufferevent doxygen for clarity and accuracy (2888fac) o Update Doxyfile to produce more useful output (aea0555) TEST FIXES o Fix up test_evutil_snprintf (caf695a) o Fix tinytest invocation from windows shell (57def34 Ed Day) BUILD FIXES o Use AM_CPPFLAGS in sample/Makefile.am, not AM_CFLAGS (4a5c82d) o Fix select.c compilation on systems with no NFDBITS (49d1136) o Fix a few warnings on OpenBSD (8ee9f9c Nicholas Marriott) o Don't break when building tests from git without python installed (b031adf) o Don't install event_rpcgen.py when --disable-libevent-install is used (e23cda3 Harlan Stenn) o Fix AIX build issue with TAILQ_FOREACH definition (e934096) Changes in version 2.0.12-stable (4 Jun 2011) BUGFIXES o Fix a warn-and-fail bug in kqueue by providing kevent() room to report errors (28317a0) o Fix an assert-inducing fencepost bug in the select backend (d90149d) o Fix failing http assertion introducd in commit 0d6622e (0848814 Kevin Ko) o Fix a bug that prevented us from configuring IPv6 nameservers. (74760f1) o Prevent size_t overflow in evhttp_htmlescape. (06c51cd Mansour Moufid) o Added several checks for under/overflow conditions in evhttp_handle_chunked_read (a279272 Mark Ellzey) o Added overflow checks in evhttp_read_body and evhttp_get_body (84560fc Mark Ellzey) DOCUMENTATION: o Add missing words to EVLOOP_NONBLOCK documentation (9556a7d) BUILD FIXES o libssl depends on libcrypto, not the other way around. (274dd03 Peter Rosin) o Libtool brings in the dependencies of libevent_openssl.la automatically (7b819f2 Peter Rosin) o Use OPENSSL_LIBS in Makefile.am (292092e Sebastian Hahn) o Move the win32 detection in configure.in (ceb03b9 Sebastian Hahn) o Correctly detect openssl on windows (6619385 Sebastian Hahn) o Fix a compile warning with zlib 1.2.4 and 1.2.5 (5786b91 Sebastian Hahn) o Fix compilation with GCC 2, which had no __builtin_expect (09d39a1 Dave Hart) o Fix new warnings from GCC 4.6 (06a714f) o Link with -lshell32 and -ladvapi32 on Win32. (86090ee Peter Rosin) o Make the tests build when OpenSSL is not available. (07c41be Peter Rosin) o Bring in the compile script from automake, if needed. (f3c7a4c Peter Rosin) o MSVC does not provide S_ISDIR, so provide it manually. (70be7d1 Peter Rosin) o unistd.h and sys/time.h might not exist. (fe93022 Peter Rosin) o Make sure TINYTEST_LOCAL is defined when building tinytest.c (8fa030c Peter Rosin) o Fix winsock2.h #include issues with MSVC (3d768dc Peter Rosin) o Use evutil_gettimeofday instead of relying on the system gettimeofday. (0de87fe Peter Rosin) o Always use evutil_snprintf, even if OS provides it (d1b2d11 Sebastian Hahn) o InitializeCriticalSectionAndSpinCount requires _WIN32_WINNT >= 0x0403. (816115a Peter Rosin) o cygwin: make it possible to build DLLs (d54d3fc) Changes in version 2.0.11-stable (27 Apr 2011) [Autogenerated from the Git log, sorted and cleaned by hand.] BUGFIXES: o Fix evport handling of POLLHUP and POLLERR (b42ce4b) o Fix compilation on Windows with NDEBUG (cb8059d) o Check for POLLERR, POLLHUP and POLLNVAL for Solaris event ports (0144886 Trond Norbye) o Detect and handle more allocation failures. (666b096 Jardel Weyrich) o Use event_err() only if the failure is truly unrecoverable. (3f8d22a Jardel Weyrich) o Handle resize failures in the select backend better. (83e805a) o Correctly free selectop fields when select_resize fails in select_init (0c0ec0b) o Make --enable-gcc-warnings a no-op if not using gcc (3267703) o Fix a type error in our (unused) arc4random_stir() (f736198) o Correctly detect and stop non-chunked http requests when the body is too long (63a715e) o Have event_base_gettimeofday_cached() always return wall-clock time (a459ef7) o Workaround for http crash bug 3078187 (5dc5662 Tomash Brechko) o Fix incorrect assertions and possible use-after-free in evrpc_free() (4b8f02f Christophe Fillot) o Reset outgoing http connection when read data in idle state. (272823f Tomash Brechko) o Fix subtle recursion in evhttp_connection_cb_cleanup(). (218cf19 Tomash Brechko) o Fix the case when failed evhttp_make_request() leaved request in the queue. (0d6622e Tomash Brechko) o Fix a crash bug in evdns server circular list code (00e91b3) o Handle calloc failure in evdns. (Found by Dave Hart) (364291e) o Fix a memory leak on win32 socket->event map. (b4f89f0) o Add a forgotten NULL check to evhttp_parse_headers (12311ff Sebastian Hahn) o Fix possible NULL-deref in evdns_cancel_request (5208544 Sebastian Hahn) PORTABILITY: o Fall back to sscanf if we have no other way to implement strtoll (453317b) o Build correctly on platforms without sockaddr_storage (9184563) o Try to build correctly on platforms with no IPv6 support (713c254) o Build on systems without AI_PASSIVE (cb92113) o Fix http unit test on non-windows platforms without getaddrinfo (6092f12) o Do not check for gethostbyname_r versions if we have getaddrinfo (c1260b0) o Include arpa/inet.h as needed on HPUX (10c834c Harlan Stenn) o Include util-internal.h as needed to build on platforms with no sockaddr_storage (bbf5515 Harlan Stenn) o Check for getservbyname even if not on win32. (af08a94 Harlan Stenn) o Add -D_OSF_SOURCE to fix hpux builds (0b33479 Harlan Stenn) o Check for allocation failures in apply_socktype_protocol_hack (637d17a) o Fix the check for multicast or broadcast addresses in evutil_check_interfaces (1a21d7b) o Avoid a free(NULL) if out-of-memory in evdns_getaddrinfo. Found by Dave Hart (3417f68) DEFENSIVE PROGRAMMING: o Add compile-time check for AF_UNSPEC==PF_UNSPEC (3c8f4e7) BUGS IN TESTS: o Fix test.sh output on solaris (b4f89b6 Dave Hart) o Make test-eof fail with a timeout if we never get an eof. (05a2c22 Harlan Stenn) o Use %s with printf in test.sh (039b9bd) o Add an assert to appease clang's static analyzer (b0ff7eb Sebastian Hahn) o Add a forgotten return value check in the unit tests (3819b62 Sebastian Hahn) o Actually send NULL request in http_bad_request_test (b693c32 Sebastian Hahn) o add some (void) casts for unused variables (65707d7 Sebastian Hahn) o Refactor test_getaddrinfo_async_cancel_stress() (48c44a6 Sebastian Hahn) o Be nice and "handle" error return values in sample code (4bac793 Sebastian Hahn) o Check return value of evbuffer_add_cb in tests (93a1abb Sebastian Hahn) o Remote some dead code from dns-example.c (744c745 Sebastian Hahn) o Zero a struct sockaddr_in before using it (646f9fe Sebastian Hahn) BUILD FIXES: o Fix warnings about AC_LANG_PROGRAM usage (f663112 Sebastian Hahn) o Skip check for zlib if we have no zlib.h (a317c06 Harlan Stenn) o Fix autoconf bracket issues; make check for getaddrinfo include netdb.h (833e5e9 Harlan Stenn) o Correct an AM_CFLAGS to an AM_CPPFLAGS in test/Makefile.am (9c469db Dave Hart) o Fix make distcheck & installation of libevent 1 headers (b5a1f9f Dave Hart) o Fix compilation under LLVM/clang with --enable-gcc-warnings (ad9ff58 Sebastian Hahn) FEATURES: o Make URI parser able to tolerate nonconformant URIs. (95060b5) DOCUMENTATION: o Clarify event_set_mem_functions doc (926f816) o Correct evhttp_del_accept_socket documentation on whether socket is closed (f665924) o fix spelling mistake in whatsnew-2.0.txt (deb2f73) o Fix sample/http-server ipv6 fixes (eb692be) o Comment internal headers used in sample code. (4eb281c) o Be explicit about how long event loops run in event.h documentation (f95bafb) o Add comment to configure.in to explain gc-sections test logic (c621359) o Fix a couple of memory leaks in samples/http-server.c. Found by Dave Hart. (2e9f665) BUILD IMPROVEMENTS: o Use the gcc -ffunction-segments feature to allow gc when linking with static libevent (0965c56 Dave Hart) o Add configure options to disable installation, regression tests (49e9bb7 Dave Hart) Changes in version 2.0.10-stable (16 Dec 2010) [Autogenerated from the Git log, sorted and cleaned by hand.] BUGFIXES o Minor fix for IOCP shutdown handling fix (2599b2d Kelly Brock) o Correctly notify the main thread when activating an event from a subthread (5beeec9) o Reject overlong http requests early when Expect:100-continue is set (d23839f Constantine Verutin) o EVUTIL_ASSERT: Use sizeof() to avoid "unused variable" warnings with -DNDEBUG. (b63ab17 Evan Jones) CODE CLEANUPS o bufferevent-internal.h: Use the new event2/util.h header, not evutil.h (ef5e65a Evan Jones) o Use relative includes instead of system includes consistently. (fbe64f2 Evan Jones) o Make whitespace more consistent TESTING o tests: Use new event2 headers instead of old compatibility headers. (4f33209 Evan Jones) DOCUMENTATION o Document that the cpu_hint is only used on Windows with IOCP for now (57689c4) o Add stuff to "whats new in 2.0" based on reading include changes since August. (18adc3f) Changes in 2.0.9-rc (30 Nov 2010): [Autogenerated from the Git log, sorted and cleaned by hand.] NEW AND MODIFIED APIs o Add a function to change a listener's callback. (46ee061) o Make evbuffer_add_file take ev_off_t, not off_t (ac7e52d) o Make rate-limits go up to SIZE_MAX/EV_SSIZE_MAX, not just INT32_MAX (2cbb1a1) o Add a bufferevent_get_base function (aab49b6) MAJOR BUGFIXES o Disable changelist for epoll by default because of Linux dup() bug; add an option and/or an envvar to reenable it for speed. (9531763) o Fix a 100%-CPU bug where an SSL connection would sometimes never stop trying to write (1213d3d) o Fix a nasty bug related to use of dup() with epoll on Linux (c281aba) o Fix bugs in posix thread-id calculation when sizeof(pthread_t) != sizeof(long) (fbaf077) o Fix some ints to evutil_socket_t; make tests pass on win64. (f817bfa Dimitre Piskyulev) o Set _EVENT_SIZEOF_VOID_P correctly on win32 and win64 (1ae82cd Dimitre Piskyulev) o Avoid double-invocation of user callback with EVUTIL_EAI_CANCEL (abf01ed) o Set SO_UPDATE_ACCEPT_CONTEXT on sockets from AcceptEx so that shutdown() can work (52aa419) o When closing a filtering bufferevent, clear callbacks on the underlying bufferevent (fc7b1b0) NEW AND MODIFIED HTTP APIs o Add evhttp_parse_query_str to be used with evhttp_uri_parse. (2075fbc) o Add evhttp_response_code to remove one more reason to include http_struct.h (22e0a9b) o Define enumerators for all HTTP methods, including PATCH from RFC5789 (75a7341 Felix Nawothnig) o Functions to actually use evhttp_bound_socket with/as evconnlistener. (006efa7) o Add evhttp_request_get_command so code can tell GET from POST without peeking at the struct. (49f4bf7) o Introduce absolute URI parsing helpers. (86dd720 Pavel Plesov) o Revise evhttp_uri_parse implementation to handle more of RFC3986 (eaa5f1d) o Add evhttp_connection_get_base() to get the event_base from an http connection (cd00079) o Let evhttp_parse_query return -1 on failure (b1756d0) o New evhttp_uri(encode|decode) functions to handle + and NUL characters right (a8148ce) o Add evhttp_response_code to remove one more reason to include http_struct.h (22e0a9b) o Tweak interface for allowed methods (f5b391e) o Add evhttp server alias interface, correct flagging of proxy requests. (aab8c38 Christopher Davis) HTTP BUGFIXES o Add some comments to http.c and make a few functions static. (90b3ed5) o Fix Content-Length when trying send more than 100GB of data (!) on an evhttp. (525da3e) o Fix a bug where we would read too much data in HTTP bodies or requests. (58a1cc6) o Correctly count req->body_size on http usage without Content-Length (8e342e5) o Avoid missed-request bug when entire http request arrives before data is flushed (74c0e86) o reset "chunked" flag when sending non-chunked reply (aa5f55f Joachim Bauch) o evhttp_encode_uri encodes all reserved characters, including !$'()*+,/:=@ (2e63a60) o Replace exact-version checks for HTTP/1.1 with >= or < checks (647e094) o evhttp: Return 501 when we get an unrecognized method, not 400. (536311a) o Don't disable reading from the HTTP connection after sending the request to be notified of connection-close in time (c76640b Felix Nawothnig) o Never call evhttp_readcb while writing. (0512487) o Try to fix an assertion failure related to close detection (0faaa39) o Correctly detect timeouts during http connects (04861d5) o Preliminary support for Continue expectation in evhttp. (fa9305f Christopher Davis) OTHER BUGFIXES o Correct logic for realigning a chain in evbuffer_add (e4f34e8) o Fix a minor syntax error that most compilers didn't care about (e56ff65) o Fix some uses of int for socket in regress (5d389dc) o Check return value for ioctlsocket on win32 (f5ad31c Trond Norbye) o Fix som event_warns that should have been event_warnx (19c71e7) o Fix signal handler types for win64. (b81217f) o Try to clear up more size_t vs int/long issues. (598d133) o Make sure IOCP evconnlistener uses virtual events. (7b40a00 Christopher Davis) o Don't free evdns_request handles until after the callback is invoked (9ed30de) o Fix some more cancel-related bugs in getaddrinfo_async (c7cfbcf) o Make evdns_getaddrinfo_cancel threadsafe (d51b2fc) o Only clear underlying callbacks when the user hasn't reset them. (1ac5b23) o Fix bug in bufferevent_connect on an openssl bufferevent that already had an fd (4f228a1) o Resolve an evport bug in the thread/forking test (3a67d0b) o Make sure the CLOEXEC flag is set on fds we open for base notification (3ab578f) o Fix IRIX build. sa_family collides with a #define in sys/socket.h on IRIX. (e874982 Kevin Bowling) o If not WIN32, include in event2/util.h. (1cd45e5 Kevin Bowling) o Fix some C99-style comments to work with the xlC compiler. (c2e5e22 Kevin Bowling) o Add some checks since lack of TAILQ_FOREACH doesn't imply lack of FIRST, END, NEXT, or INSERT_BEFORE. Quiet some warnings in XL C. (c4dc335 Kevin Bowling) o Reworked AIX __ss_family workaround to use AC_STRUCT_MEMBER. (2e2a3d7 Kevin Bowling) o Take select from when testing in autoconf. AIX build fix. (a3a9f6b Kevin Bowling) o Fix snprintf related failures on IRIX. (3239073 Kevin Bowling) o Remove _event_initialized(); make event_initialized() a function(); make it consistent on windows and non-windows (652024b) o Do not let EVLOOP_ONCE exit the loop until all deferred callbacks have run (2d5e1bd) o Make EVLOOP_ONCE ignore internal events (0617a81) o Possible crash fix when freeing an underlying bufferevent of an openssl bufferevent (29f7623) HTTP CLEANUPS o Stop using Libevent-1 headers in regress_http (1f507d7) o Modernize header usage in bench_http.c (e587069) o fix signed/unsigned warnings in http.c (74a91e5) o Update the HTTP regression tests to use Libevent2 apis for non-http stuff (d9ffa89) o Start porting http tests to not use legacy interfaces (8505a74) o Convert the rest of the http tests to be non-legacy unit tests. (9bb8239) o Rename the confusing "base" static variable in regress_http.c (353402a) o Stop accessing http request struct directly from in the unit tests. (0b137f4) o Refactor http version parsing into a single function (a38140b) TESTING o Improvements to tinytest_macros.h (ad923a1) o Add a huge pile of tests for the new URI functions, and make them pass. (a5a76e6) o Unit tests for evhttp_uri_set* (bc98f5e) o Increase the skew tolerance to 2 seconds in thread/deferred_cb_skew (f806476 Christopher Davis) o Reorder backends in test.sh to match preference order in event.c (ece974f) o Add a stress test for getaddrinfo_cancel (da1bf52) o Units test for unexpected evhttp methods. (75e3320) DOCUMENTATION o Document behavior of URI parsing more thoroughly. (3a33462) o Document that two bufferevent functions only work on socket bufferevents (70e1b60) o add a requested docstring for event_rpcgen.CommandLine.__init__ (f1250eb) o Fix a mistake in http documentation found by Julien Blache (229714d) o Add a basic example of how to write a static HTTP server. (4e794d5) o Document event_get_assignment (88be27d) o Note that reentrant calls to libevent from logging cbs may fail badly (e431bcd) o Clarify EVLOOP_* documentation to be more precise. (057a514) CLEANUPS o Simplify the logic for choosing EPOLL_CTL_ADD vs EPOLL_CTL_MOD (2c66983) o Rename "size" variables in win32select that were really fd counts. (b6a158c) o Fix even more win64 warnings (7484df6) o Fix even more win64 warnings: buffer, event_tagging, http, evdns, evrpc (545a611) o Fix more wn64 warnings. (34b84b9 Christopher Davis) o Use the label_len local variable in evdns instead of recalculating it over and over (ba01456) o Fix some irix compilation warnings spotted by Kevin Bowling (7bcace2) Changes in 2.0.8-rc (14 Oct 2010): [Autogenerated from the Git log, sorted and cleaned by hand.] NEW APIS o Add error callback to evconnlistener (c4be8d8 Simon Perreault) o Add a LEV_OPT_THREADSAFE option for threadsafe evconnlisteners (127d4f2) CHANGED BEHAVIOR o Correct logic on disabling underlying bufferevents when disabling a filter (ac27eb8) BUGFIXES o Obey enabled status when unsuspending (040a019 Simon Perreault) o Warn when using the error-prone EV_SIGNAL interface in an error-prone way. Also, fix a couple of race conditions in signal.c (720bd93) O Make default signal backend fully threadsafe (95a7d41) o Put internal events at highest priority (90651b3) o Fix warnings in the main codebase flagged by -Wsigned-compare (9c8db0, 5e4bafb, 5c214a, 6be589a, e06f514) o Fix compile in kqueue.c (b395392 Sebastian Hahn) o Do not search outside of the system directory for windows DLLs (d49b5e3) o Fix a spurious-call bug on epoll.c (0faaee0) o Send a shutdown(SHUT_WR) before closing an http connection (e0fd870 Christopher Davis) o Fix warnings on mingw with gcc 4.5 (5b7a370) o Fix an EINVAL on evbuffer_write_iovec on OpenSolaris. (fdc640b) o Fix allocation error for IOCP listeners. Probably harmless, since struct event is big (481ef92) o Make iocp/listener/error work; don't accept again if lev is disabled. (62b429a Christopher Davis) o Handle rate-limiting for reading on OpenSSL bufferevents correctly. (819b171) o Fix serious bugs in per-bufferevent rate-limiting code (34d64f8) o Avoid spurious reads from just-created open openssl bufferevents (223ee40) o Fix a case where an ssl bufferevent with CLOSE_ON_FREE didn't close its fd (93bb7d8) o The corrected bufferevent filter semantics let us fix our openssl tests (34331e4) TESTING o Make SSL tests cover enabling/disabling EV_READ. (a5ce9ad) o Bump to the latest version of tinytest (f0bd83e) o Unit tests for listener error callbacks (045eef4) o New unit test for ssl bufferevents starting with connected SSLs. (02f6259) DEBUGGABILITY o Make debugging output for epoll backend more comprehensive (ec2b05e) o Make event.c debugging messages report fds (e119899) o Make the --enable-gcc-warnings option include signed comparison warnings (d3b096c) DEADCODE REMOVAL o Remove the now-useless evsig_caught and evsig_process (4858b79) o Remove event_base.evsigbase; nothing used it. (38d0960) Changes in 2.0.7-rc (9 Sep 2010): [Autogenerated from the Git log, sorted and cleaned by hand.] NEW APIS o Expose a evdns_base_nameserver_sockaddr_add() function to add a nameserver by sockaddr (1952143) o Add event_config_set_num_cpus_hint() for tuning win32 IOCP thread pools, etc. (2447fe8 Christopher Davis) BUGFIXES o Fix a nasty dangling-event bug when using rate-limiting groups (0bffe43) o Clean up syntax on TAILQ_ENTRY() usage to build correctly with recent MSVC (60433a0 Gilad Benjamini) o Make definition of WIN32_LEAN_AND_MEAN in event.h conditional (3920172 Gilad Benjamini) o Correctly detect failure to delete bufferevent read-timeout event (da6e7cd) o Set close-on-exec bit for filedescriptors created by dns subsystem (d0b8843) o Fix kqueue correctness test on x84_64 (6123d12) o Detect events with no ev_base; warn instead of crashing (f1074b7) o Fix an issue with forking and signal socketpairs in select/poll backends (d61b2f3) o Stop using global arrays to implement the EVUTIL_ctype functions (1fdec20) o On windows, make lock/thread function tables static (5de2bcb) o Close th_notify_fds and open a new pair on reinit (495ed66) o Declare signal handler function as "__cdecl" on Windows (f0056d0) o Use the _func() replacements for open, fstat, etc in evutil.c on win32 (e50c0fc) o Only process up to MAX_DEFERRED deferred_cbs at a time (17a14f1 Christopher Davis) THREADING BUGFIXES o Avoid deadlock when activating signals (970e6ad) o Add a condition variable backend, with implementations for pthreads and win32 (d4977b5) o Use conditions instead of current_event_lock to fix a deadlock (e0972c2) o Fix logic error in win32 TRY_LOCK that caused problems with rate-limiting (4c32b9d) o Avoid needlessly calling evthread_notify_base() when the loop is not running (c7a06bf) o Minimize calls to base_notify implementation functions, thereby avoiding needless syscalls (4632b78) IOCP BUGFIXES o IOCP-related evbuffer fixes (03afa20 Christopher Davis) o Stop IOCP when freeing the event_base (d844242 Christopher Davis) o Some IOCP bufferevent tweaks (76f7e7a Christopher Davis) TESTS o Make the regress_pthread.c tests work on windows with current test APIs (d74ae38) o Add a unit test for conditions (5fb1095) o Allow more than one copy of regression tests to run at once (a97320a) o Fix event_del(0) instance in bench.c (b0f284c Shuo Chen) o Fix a few memory leaks in the tests (1115366) o IOCP-related unit test tweaks (499452f Christopher Davis) o Improve testing of when thread-notification occurs (ce85280) BUILD AND DISTRIBUTION o Add pkgconfig files for libevent_{openssl,pthreads} (ebcb1f0) o Change include order in Makefile.nmake (4022b28) o Make include/event2/event-config.h not included in source dist (a4af9be) o Honor NDEBUG; build without warnings with NDEBUG; make NDEBUG always-off in unit test code (743f866) o Declare evkeyvalq and event_list even if event_struct.h comes before sys/queue.h (d3ceca8) o Move evkeyvalq into a separate header for evhttp_parse_query users (ca9048f) o Prefer autoreconf -ivf to manual autogen.sh (7ea8e89) CLEANUP o Completely remove the (mostly-removed) obsolete thread functions (3808168) o Rename regress_pthread.c to regress_thread.c (041989f) o Make defer-internal.h use lock macros, not direct calls to lock fns (5218d2a) DOCUMENTATION o Document that DNS_NO_SEARCH is an obsolete alias for DNS_QUERY_NO_SEARCH (33200e7) o Update the whatsnew-2.0.txt document (4991669) Changes in 2.0.6-rc (6 Aug 2010): [Autogenerated from the Git log, sorted by hand.] DOCUMENTATION o Document a change in the semantics of event_get_struct_event_size() (e21f5d1) o Add a comment to describe our plan for library versioning (9659ece) o Fix sentence fragment in docs for event_get_struct_event_size() (7b259b6) NEW FEATURES AND INTERFACE CHANGES o Remove the obsolete evthread interfaces (c5bab56) o Let evhttp_send_error infer the right error reasons (3990669) o Add a function to retrieve the other side of a bufferevent pair (17a8e2d) o Add bufferevent_lock()/bufferevent_unlock() (215e629) o Stop asserting when asked for a (unsupported) TCP dns port. Just return NULL. (7e87a59) o Replace (unused,always 0) is_tcp argument to evdns_add_server_port*() with flags (e1c1167) o Constify a couple of arguments to evdns_server_request_add_*_reply (cc2379d) o Add an interface to expose min_share in ratelimiting groups (6ae53d6) BUGFIXES o Avoid event_del on uninitialized event in event_base_free (6d19510) o Add some missing includes to fix Linux build again (75701e8) o Avoid close of uninitialized socket in evbuffer unit test (bda21e7) o Correctly recognize .255 addresses as link-local when looking for interfaces (8c3452b) o If no evdns request can be launched, return NULL, not a handle (b14f151) o Use generic win32 interfaces, not ASCII-only ones, where possible. (899b0a3) o Fix the default HTTP error template (06bd056 Felix Nawothnig) o Close the file in evutil_read_file whether there's an error or not. (0798dd1 Pierre Phaneuf) o Fix possible nullptr dereference in evhttp_send_reply_end() (29b2e23 Felix Nawothnig) o never let bufferevent_rlim functions return negative (0859870) o Make sample/hello_world work on windows (d89fdba) o Fix a deadlock related to event-base notification. Diagnosed by Zhou Li, Avi Bab, and Scott Lamb. (17522d2) o Possible fix to 100% cpu usage with epoll and openssl (cf249e7 Mike Smellie) o Don't race when calling event_active/event_add on a running signal event (fc5e0a2) o Suppress a spurious EPERM warning in epoll.c (e73cbde) o Fix wrong size calculation of iovec buffers when exact=1 (65abdc2 niks) o Change bufferevent_openssl::do_write so it doesn't call SSL_write with a 0 length buffer (c991317 Mike Smellie) o Fixed compilation of sample/le-proxy.c on win32 (13b912e Trond Norbye) o Fix rate-limit calculation on openssl bufferevents. (009f300) o Remember to initialize timeout events for bufferevent_async (de1f5d6 Christopher Davis) BUILD AND DISTRIBUTION CHANGES o Test the unlocked-deferred callback case of bufferevents (dfb75ab) o Remove the now-unusable EVTHREAD_LOCK/UNLOCK constants (fdfc3fc) o Use -Wlogical-op on gcc 4.5 or higher (d14bb92) o Add the libtool-generated /m4/* stuff to .gitignore (c21c663) o Remove some automake-generated files from version control. (9b14911) o Have autogen.sh pass --force-missing to automake (8a44062) o Set library version for libevent_pthreads correctly (b2d7440) o Really only add libevent_core.la to LIBADD on mingw (1425003 Sebastian Hahn) o Build more cleanly with NetBSDs that dislike toupper(char) (42a8c71) o Fix unit tests with -DUSE_DEBUG enabled (28f31a4) o Fix evdns build with -DUNICODE (5fa30d2) o Move event-config.h to include/event2 (ec347b9) TESTING o Add options to test-ratelim.c to check its results (2b44dcc) o Make test-ratelim clean up after itself better. (b5bfc44) o Remove the now-obsolete setup_test() and cleanup_test() functions (e73f1d7) o Remove all non-error prints from test/regress.c (8bc1e3d) o Make test.sh exit with nonzero status if tests fail (faf2a04) o Have the unit tests report errors from test.sh (3689bd2) o Fix logic in correcting high values from FIONREAD (3467f2f) o Add test for behavior on remote socket close (44d57ee) o Unit test for event_get_struct_event_size() (7510aac) o Make test/test.sh call test-changelist (7c92691) o Fix badly-behaved subtest of dns/bufferevent_connect_hostname (840a72f Joachim Bauch) o Add option to test-ratelim to test min_share (42f6b62) o Fix an assertion bug in test-ratelim (b2c6202) o Make tests quieter on local dns resolver failure (e996b3d) o Increase the tolerance in our unit tests for sloppy clocks. (170ffd2) o Use AF_INET socketpair to test sendfile on Solaris (9b60209) o Make test-changelist count cpu usage right on win32 (ea1ea3d) INTERNALS, PERFORMANCE, AND CODE CLEANUPS o Mark the event_err() functions as __attribute__((noreturn)) (33bbbed) o Do not check that event_base is set in EVBASE_ACQUIRE_LOCK (218a3c3) o Replace (safe) use of strcpy with memcpy to appease OpenBSD (caca2f4) o Remove some dead assignments (47c5dfb) o Fix a pedantic gcc 4.4 warning in event2/event.h (276e7ee) o Drain th_notify_fd[0] more bytes at a time. (a5bc15b) o Tidy up the code in evthread_make_base_notifiable a little (61e1eee) o Pass flags to fcntl(F_SETFL) and fcntl(F_SETFD) as int, not long (7c2dea1) o Remove unused variables in test/test-changelist.c (b00d4c0) o Fix whitespace. (cb927a5) o Improve error message for failed epoll to make debugging easier. (9e725f7) o Turn our socketpair() replacement into its own function (57b30cd) Changes in 2.0.5-beta (10 May 2010): [Autogenerated from the Git log, sorted by hand.] DOCUMENTATION o Update all our copyright notices to say "2010" (17efc1c) o Add Christopher Clark and Maxim Yegorushkin to the LICENSE file (38b7b57) o Clarify Christopher Clark's status as writer of original ht code. (78772c3) o Try to comment some of the event code more (cdd4c49) o Add a few more evmap/changelist comments (c247adc) o Add a comment to explain why evdns_request is now separte from request (ceefbe8) o Document evutil_secure_rng_init() and evutil_secure_rng_add_bytes() (a5bf43a) o Stop distributing and installing manpages: they were too inaccurate (7731ec8) NEW FEATURES AND INTERFACE CHANGES o Remove signal_assign() and signal_new() macros. (2fac0f7) o Make evdns use the regular logging system by default (b2f2be6) o Allow evbuffer_read() to split across more than 2 iovecs (e470ad3) o Functions to manipulate existing rate limiting groups. (ee41aca) o Functions to track the total bytes sent over a rate limit group. (fb366c1) o Detect and refuse reentrant event_base_loop() calls (b557b17) o Limit the maximum number of events on each socket to 65535 (819f949) o Add evbuffer_copyout to copy data from an evbuffer without draining (eb86c8c) o Expose the request and reply members of rpc_req_generic() (07edf78 Shuo Chen) o Add void* arguments to request_new and reply_new evrpc hooks (755fbf1 Shuo Chen) o Seed the RNG using sysctl() as well as /dev/urandom (71fc3eb) o Make evutil_secure_rng_init() work even with builtin arc4random (f980716) o Report DNS error when lookup fails during bufferevent_socket_connect_hostname. (0ef4070 Christopher Davis) o Release locks on bufferevents while executing callbacks (a5208fe Joachim Bauch) o Make debug mode catch mixed ET and non-ET events on an fd (cb67074) o Catch attempts to enable debug_mode too late (9ecf0d4) o Refuse null keys in evhttp_parse_query() (953e229 Frank Denis) BUGFIXES o Avoid a spurious close(-1) on Linux (70a44b6) o Do not close(-1) when freeing an uninitialized socket bufferevent (b34abf3) o Free evdns_base->req_heads on evdns_base_free (859af67) o Avoid an (untriggerable so far) crash bug in bufferevent_free() (0cf1431) o Set mem_offset for every bufferevent type (657d1b6) o Fix infrequent memory leak in bufferevent_init_common(). (8398641 Jardel Weyrich) o Make evutil_signal_active() match declaration. (e1e703d Patrick Galbraith) o Fix minheap code to use replacement malloc functions (a527618) o Fix a free(NULL) in minheap-internal.h (6f20492) o Fix critical bug in evbuffer_write when writev is not available (cda56ab) o Make the no_iovecs case of write_atmost compile (8e227b0) o Fix a memory leak when appending/prepending to a buffer with unused space. (45068a3) o Clean up a mistake in pointer manipulation in evbuffer_remove (28bfed4 Christopher Davis) o Always round up when there's a fractional number of msecs. (8f9e60c Christopher Davis) o Fix compiler warnings under WIN32 (d469c50 Giuseppe Scrivano) o Clean up properly when adding a signal handler fails. (b84b598 Gilad Benjamini) o Ensure that evdns_request is a persistent handle. (15bb82d Christopher Davis) o Free search state when finished searching to avoid an infinite loop. (a625840 Christopher Davis) o Assert for valid requests as necessary. (67072f3 Christopher Davis) o do not leak the request object on persistent connections (9d8edf2) o Make evdns logging threadsafe (b1c7950) o Fix a couple of bugs in the BSD sysctl arc4seed logic (a47a4b7) o Remove one last bug in last_with_datap logic. Found with valgrind (d49b92a) o fix a leak when unpausing evrpc requests (94ee125) o Fix a memory leak when unmarshalling RPC object arrays (f6ab2a2) o Fix compilation when openssl support is disabled (40c301b) o Allow empty reason line in HTTP status (739e688 Pierre Phaneuf) o Fix a compile warning introduced in 739e688 (bd1ed5f Sebastian Hahn) o Fix nonstandard TAILQ_FOREACH_REVERSE() definition (71afc52 Frank Denis) o Try /proc on Linux as entropy fallback; use sysctl as last resort (20fda29) o Fix symbol conflict between mm_*() macros and libmm (99e50e9) o Fix some crazy macro mistakes in arc4random.c (90d4225) o Make evbuffer_add_file() work on windows (dcdae6b) o Fix unused-variable warning when building with threads disabled (ad811cd) o Numerous opensolaris compilation fixes (c44de06) o Fix getaddrinfo with protocol unset on Solaris 9. Found by Dagobert Michelsen (2cf2a28) o Fix another nasty solaris getaddrinfo() behavior (3557071) o Define _REENTRANT as needed on Solaris, elsewhere (c1cd32a) o Fix some autoconf issues on OpenBSD (7c519df) BUILD AND DISTRIBUTION CHANGES o Distribute libevent.pc.in, not libevent.pc (22aff04) o Avoid errors in evutil.c when building with _UNICODE defined (b677032 Brodie Thiesfield) o Avoid errors in http.c when building with VC 2003 .NET (13e4f3b Brodie Thiesfield) o Support the standard 'make check' target in place of 'make verify' (426c8fb) o Remove redundant stuff from EXTRA_DIST (b660edf) o Switch to using AM conditionals in place of AC_LIBOBJ (2e898f5) o Remove an orphaned RELEASE flag in Makefile.am (0794b0d) o Give a better warning for bad automake versions. (77c917d) o Use dist_bin_SCRIPTS, not EXTRA_DIST, to distribute scripts (9eb2fd7) o Never test for select() on windows (3eb044d Trond Norbye) o Do not inhibit automake dependencies generation (10c4c90 Giuseppe Scrivano) o Create shared libraries under Windows (3cbca86 Giuseppe Scrivano) o Add ctags/etags files to .gitignore (0861d17) o Only specify -no-undefined on mingw (25433b9) o Only add libevent_core.la to LIBADD on mingw (fdc6297) TESTING o Get bench_http to work on Windows; add a switch to enable IOCP. (4ac38a5 Christopher Davis) o VC has no getopt(), so do without in bench_http. (1273d2f Christopher Davis) o Fix an obnoxious typo in the bufferevent_timeout_filter test (0d047c3) o Fix a write of uninitialized RAM in regression tests (68dc742) o Fix some memory leaks in the unit tests (274a7bd) o Make 'main/many_events' test 70 fds, not 64. (33874b0) o Unit-test every evbuffer_add_file() implementation. (06a4443) o Add more unit tests for evbuffer_expand (8c83e99) o Test another case of evbuffer_prepend (1234b95) o Fix a possible double-free bug in SSL bufferevents with CLOSE_ON_FREE (7501895) o Add dns/search_cancel unit test. (39b870b Christopher Davis) o Make http_base_test stop leaking an event_base. (96730d3) o Detect broken unsetenv at unit-test runtime (f37cd4c) o Implement regress_make_tempfile on win32 to test evbuffer_add_file (b4f12a1) o add more (currently skipped) add_file tests on win32 (05de45d) o Fix bench_http build on win32. (384d124) o Make unit test for add_file able to tell "error" from "done" (88a543f) o Make test for bufferevent_connect_hostname system-neutral (f89168e) o Make test.sh support mingw/msys on win32 (0ee6f6c) o Fix test.sh on freebsd (3d9e05b) INTERNALS, PERFORMANCE, AND AND CODE CLEANUPS o Improve the speed of evbuffer_readln() (cc1600a) o more whitespace normalization (2c2618d) o Revise evbuffer to add last_with_data (2a6d2a1) o Use last_with_data in place of previous_to_last (c8ac57f) o Remove previous_to_last from evbuffer (6f47bd1) o Fix last_with_data compilation on windows (1e7b986) o Add some glass-box tests for the last_with_data code. (17da042) o Improve robustness for refcounting (f1bc125) o Remove a needless min_heap_shift_up_() call (7204b91) o Increase MIN_BUFFER_SIZE to 512 (1024 on 64-bit) (2014ae4) o Do not use evbuffer_expand() to add the first chain to a buffer (5c0ebb3) o Make evbuffer_prepend handle empty buffers better (c87272b) o Replace last_with_data with a slightly smarter version (b7442f8) o Turn the increasingly complex *_CHAIN() macros into functions (96865c4) o Rewrite evbuffer_expand and its users (d5ebcf3) o Add evutil_tv_to_msec for safe conversion of timevals to milliseconds. (850c3ff Christopher Davis) o Initialize last_with_datap correctly in evbuffer_overlapped (a0983b6) o Replace EVUTIL_CLOSESOCKET macro with a function (899c1dc Sebastian Sjöberg) o Move domain search state to evdns_request. (beaa14a Christopher Davis) o Remove redundant checks for lock!=NULL before calling EVLOCK_LOCK (50ec59f) o Rename current_base symbol to event_global_current_base_ (c16e684) o Fix whitespace in evutil.c (935e150) o Replace users of "int fd" with "evutil_socket_t fd" in portable code (c7cf6f0) Changes in 2.0.4-alpha (28 Feb 2010): [Autogenerated from the Git log, sorted by hand.] DOCUMENTATION o Add stub header for 2.0.4-alpha changelog. (94d0065) o Improve the README with more information and links. (0b42726) o Add more people who wrote patches to the acknowledgments (0af10d5) o Add a warning about the use of event_initialized. (f32b575) o Add a LICENSE file so people can find our license easily (7067006) o Add a new "hello world" sample program (becb9f9) o Clarify status of example programs (d60a1bd) o Update time-test.c to use event2 (f4190bf) o Add the arc4random.c license to the LICENSE file. (e15e1e9) NEW FEATURES AND INTERFACE CHANGES o Improved optional lock debugging. (0cd3bb9) o Rate-limiting for bufferevents; group and individual limits are supported. (737c9cd) o Testing code for bufferevent rate-limiting. (f0c0124) o Make the initial nameserver probe timeout configurable. (1e56a32) o Revise the locking API: deprecate the old locking callbacks and add trylock. (347952f) o Do not make bufferevent_setfd implicitly disable EV_READ and EV_WRITE. (8274379) o Do not ignore bufferevent_enable(EV_READ) before bufferevent_connect(). (4a5b534) o Introduced evutil_make_socket_closeonexec() to preserve fd flags for F_SETFD. (d0939d2 Jardel Weyrich) o evdns_getaddrinfo() now supports the /etc/hosts file. (72dd666) o Look at the proper /etc/hosts file on windows. (66c02c7) o Allow http connections to use evdns for hostname looksups. (c698b77) o Changelist code to defer event changes until just before dispatch (27308aa) o do not use a function to assign the evdns base; instead assign it via evhttp_connection_base_new() which is a new function introduced in 2.0 (5032e52) o Functions to access more fields of struct event. (0683950) o Make kqueue use changelists. (45e5ae3) o Remove kqueue->pend_changes. (3225dfb) o Minimize epoll_ctl calls by using changelist (c8c6a89) o Add support for a "debug mode" to try to catch common errors. (cd17c3a) o Note a missing ratelim function (361da8f) o Add ev_[u]intptr_t to include/event2/util.h (1fa4c81) o const-ify a few more functions in event.h (d38a7a1) o Deprecate EVENT_FD and EVENT_SIGNAL. (f6b2694) o Remove EVUTIL_CHECK_FMT. (6c21c89) o Add EV_*_MAX macros to event2/util.h to expose limits for ev_* types. (aba1fff) o Functions to view and manipulate rate-limiting buckets. (85047a6) o Add the rest of the integer limits, and add a test for them. (60742d5) o Remove the 'flags' argument from evdns_base_set_option() (1dd7e6d) o Add an arc4random implementation for use by evdns (d4de062) o Use off_t for the length parameter of evbuffer_add_file (3fe60fd) o Construct Windows locks using InitializeCriticalSectionAndSpinCount (32c6f1b) o Expose view of current rate limit as constrained by group limit (162ce8a) o Provide consistent, tested semantics for bufferevent timeouts (d328829) BUGFIXES AND TESTS o Tolerate code that returns from a fatal_cb. (91fe23f) o Parenthesize macro arguments more aggressively (07e9e9b) o Fix memory-leak of signal handler array with kqueue. (e1ffbb8) o Stop passing EVTHREAD_READ and EVTHREAD_WRITE to non-rw locks. (76cd2b7) o Fix two use-after-free bugs in unit tests spoted by lock debugging (d84d838) o Fix a locking bug in event_base_loop() (da1718b) o Fix an evdns lock violation. (2df1f82 Zhuang Yuyao) o Valgrind fix: Clear struct kevent before checking for OSX bug. (56771a3 William Ahern) o Fix up evthread compilation on windows (bd6f1ba Roman Puls) o Fix regress_iocp.c usage of old lock allocation macros. (31687b4 unknown) o Update nmake makefile to build evthread.c (b62d979 unknown) o Fix a crash when reading badly formatted resolve.conf; from Yasuoka Masahiko (6c7c579 Yasuoka Masahiko) o Fix a snow leopard compile warning in the unit tests. (7ae9445) o Fix compile on Snow Leopard with gcc warnings enabled (70cdfe4 Sebastian Hahn) o Only define _GNU_SOURCE if it is not already defined. (ea6b1df Joachim Bauch) o Update sample/signal-test.c to use newer APIs and not leak. (f6430ac Evan Jones) o Fix a segfault when writing a very fragmented evbuffer onto an SSL (a6adeca Joachim Bauch) o Fix a segfault when freeing SSL bufferevents in an unusual order (a773df5 Joachim Bauch) o Drop install-sh from our git repo: a mismatched version could break "make dist" (6799527) o Set all instances of the version number correctly. (5a112d3) o Fix a few locking issues on windows. (c51bb3c unknown) o Use evutil_socket_t, not int, when logging socket errors. (292467c) o Fix up behavior of never-defered callbacks a little (390e056) o Replace some cases of uint32_t with ev_uint32_t. (a47d88d) o Fix compilation of devpoll.c by adding missing thread includes. (fee2c77 Dagobert Michelsen) o Make evutil_make_socket_nonblocking() leave any other flags alone. (4c8b7cd Jardel Weyrich) o Fix an fd leak in evconnlistener_new_bind(). (24fb502 Jardel Weyrich) o Fix a bogus free in evutil_new_addrinfo() (0d64051 Jardel Weyrich) o Adjusted fcntl() retval comparison on evutil_make_socket_nonblocking(). (4df7dbc Jardel Weyrich) o Fix the code that allowed DNS options to not end with : (ee4953f) o Fix crash bugs when a bufferevent's eventcb is not set. (2e8eeea) o Fix test-ratelim compilation on Linux. (885b427) o Fix compilation of rate-limiting code on win32. (165d30e) o Eradicated the last free() call. Let mm_free() take care of deallocation. (0546ce1 Jardel Weyrich) o Fix byte counts when mixing deferred and non-deferred evbuffer callbacks. (29151e6) o Fixed a memory leak on windows threads implementation. The CRITICAL_SECTION was not being free'd in evthread_win32_lock_free(). (2f33e00 Jardel Weyrich) o Fixed a fd leak in start_accepting(), plus cosmetic changes (4367a33 Jardel Weyrich) o Improved error handling in evconnlistener_new_async(). Also keeping the fd open because it is not opened by this function, so the caller is responsible for closing it. Additionally, since evconnlistener_new_bind() creates a socket and passes it to the function above, it required error checking to close the same socket. (fec66f9 Jardel Weyrich) o Don't use a bind address for nameservers on loopback (8d4aaf9) o Fix compilation of rate-limit code when threading support is disabled (97a8c79) o Detect setenv/unsetenv; skip main/base_environ test if we can't fake them. (7296971) o Check more internal event_add() calls for failure (ff3f6cd) o Fix windows and msvc build (5c7a7bc) o Call event_debug_unassign on internal events (a19b4a0) o Try to fix a warning in hash_debug_entry (137f2c6) o Fix a dumb typo in ev_intptr_t definitions. (27c9a40) o do not fail while sending on http connections the client closed. (93d7369) o make evhttp_send() safe against terminated connections, too (3978180) o Make Libevent 1.4.12 build on win32 with Unicode enabled. (000a33e Brodie Thiesfield) o Fix some additional -DUNICODE issues on win32. (a7a9431) o Add a check to make soure our EVUTIL_AI flags do not conflict with the native ones (c18490e) o Always use our own gai_strerror() replacement. (6810bdb) o Make RNG work when we have arc4random() but not arc4random_buf() (4ec8fea) o validate close cb on server when client connection closes (2f782af) o Fix two unlocked reads in evbuffer. (7116bf2) o When working without a current event base, don't try to use IOCP listeners (cb52838) o Fix getpid() usage on Windows (ff2a134) o Add a unit test for secure rng. (48a29b6) o Add some headers to fix freebsd compilation (b72be50) o When connect() succeeds immediately, don't invoke the callback immediately. (7515de9) o Suspend read/write on bufferevents during hostname lookup (db08f64) o Make bufferevent_free() clear all callbacks immediately. (b2fbeb3) o Fix some race conditions in persistent events and event_reinit (e2642f0) o Fix a bug in resetting timeouts on persistent events when IO triggers. (38ec0a7) o Add a test for timeouts on filtering bufferevents. (c02bfe1) o Add test for periodic timers that get activated for other reasons (8fcb7a1) o Use new timeval diff comparison function in bufferevent test (f3dfe46) o Delete stack-alloced event in new unit test before returning. (7ffd387) o Fix mingw compilation (23170a6) o Try to define a sane _EVENT_SIZEOF_SIZE_T for msvc compilation (1e14f82) o Fix arc4random compilation on MSVC. (98edb89) o deal with connect() failing immediately (7bc48bf) o Small cleanups on freebsd-connect-refused patch. (57b7248) BUILD AND DISTRIBUTION CHANGES o Remove the contents of WIN32-Prj as unmaintained. (c69d5a5) o Allow the user to redirect the verbose output of test/test.sh to a file (c382de6) o Allow test.sh to be run as ./test/test.sh (7dfbe94) o Never believe that we have pthreads on win32, even if gcc thinks we do. (78ed097) o Make it compile under gcc --std=c89. (e2ca403) o Fix a number of warnings from gcc -pedantic (918e9c5) o Add the msvc-generated .lib files to .gitignore. (e244a2e) o Add the "compile" script to gitignore. (1ba6bed) INTERNALS AND CODE CLEANUPS o Add a .gitignore file. (ba34071) o New EVTHREAD_TRY_LOCK function to try to grab a lock. (689fc09) o Add the abilitity to mark some buffer callbacks as never-deferred. (438f9ed) o Refactor our 'suspend operation' logic on bufferevents. (0d744aa) o Simplify the read high-watermark checking. (5846bf6) o Improve readability of evutil_unparse_protoname() (5a43df8 Jardel Weyrich) o Expose our cached gettimeofday value with a new interface (47854a8) o Whitespace fixes in test.sh (0b151a9) o Enable branch-prediction hints with EVUTIL_UNLIKELY. (eaaf27f) o Refactor code from evdns into a new internal "read a file" function. (0f7144f) o Comestic changes in evconnlistener_new(), new_accepting_socket(), accepted_socket_invoke_user_cb() and iocp_listener_enable(). (510ab6b Jardel Weyrich) o Add unit-test for bad_request bug fixed in 1.4 recently. (6cc79c6 Pavel Plesov) o Add a comment on evthread_enable_lock_debuging. (b9f43b2) o Fix test.sh on shells without echo -n (94131e9) o More unit tests for getaddrinfo_async: v4timeout and cancel. (a334b31) o Make http use evconnlistener. (ec34533) o move dns utility functions into a separate file so that we can use them for http testing (b822639) o add a test for evhttp_connection_base_new with a dns_base (26714ca) o forgot to add void to test function (78a50fe) o Add a forgotten header (changelist-internal.h) (4b9f307) o Remove some commented-out code in evutil (26e1b6f) o Remove a needless include of rpc_compat.h (70a4a3e) o Use less memory for each entry in a hashtable (a66e947) o Try to untangle the logic in server_port_flush(). (439aea0) o Use ev_[u]intptr_t types in place of [u]intptr_t (cef61a2) o Reduce windows header includes in our own headers. (da6135e) o clean up terminate_chunked test (e8a9782) o Increment the submicro version number. (63e868e) o Update event-config.h version number to match configure.in (aae7db5) o Clean up formatting: Disallow space-before-tab. (8fdf09c) o Clean up formatting: use tabs, not 8-spaces, to indent. (e5bbd40) o Clean up formatting: remove trailing spaces (e5cf987) o Clean up formatting: function/keyword spacing consistency. (4faeaea) Changes in 2.0.3-alpha (20 Nov 2009): o Add a new code to support SSL/TLS on bufferevents, using the OpenSSL library (where available). o Fix a bug where we didn't allocate enough memory in event_get_supported_methods(). o Avoid segfault during failed allocation of locked evdns_base. (Found by Rocco Carbone.) o Export new evutil_ascii_* functions to perform locale-independent character type operations. o Try to compile better with MSVC: patches from Brodie Thiesfield o New evconnlistener_get_fd function to expose a listener's associated socket. o Expose an ev_socklen_t type for consistent use across platforms. o Make bufferevent_socket_connect() work when the original fd was -1. o Fix a bug in bufferevent_socket_connect() when the connection succeeds too quickly. o Export an evutil_sockaddr_cmp() to compare to sockaddr objects for equality. o Add a bufferevent_get_enabled() to tell what a bufferevent has been configured to do. o Add an evbuffer_search_eol() function to locate the end of a line nondestructively. o Add an evbuffer_search_range() function to search a bounded range of a buffer. o Fix a rare crash bug in evdns. o Have bufferevent_socket_connect() with no arguments put a bufferevent into connecting mode. o Support sendfile on Solaris: patch from Caitlin Mercer. o New functions to explicitly reference a socket used by an evhttp object. Patches from David Reiss. o When we send a BEV_EVENT_CONNECTED to indicate connected status, we no longer invoke the write callback as well unless we actually wrote data too. o If the kernel tells us that there are a negative number of bytes to read from a socket, do not believe it. Fixes bug 2841177; found by Alexander Pronchenkov. o Do not detect whether we have monotonic clock support every time a new event base is created: instead do it only once. Patch taken from Chromium. o Do not allocate the maximum event queue for the epoll backend at startup. Instead, start out accepting 32 events at a time, and double the queue's size when it seems that the OS is generating events faster than we're requesting them. Saves up to 374K per epoll-based event_base. Resolves bug 2839240. o Treat an event with a negative fd as valid but untriggerable by Libevent. This is useful for applications that want to manually activate events. o Fix compilation on Android, which forgot to define fd_mask in its sys/select.h o Do not drop data from evbuffer when out of memory; reported by Jacek Masiulaniec o New event_base_got_exit() and event_base_got_break() functions to tell whether an event loop exited because of an event_base_loopexit() or an event_base_loopbreak(). Patch from Ka-Hing Cheung. o When adding or deleting an event from a non-main thread, only wake up the main thread when its behavior actually needs to change. o Fix some bugs when using the old evdns interfaces to initialize the evdns module. o Detect errors during bufferevent_connect(). Patch from Christopher Davis. o Fix compilation for listener.h for C++ - missing extern "C". Patch from Ferenc Szalai. o Make the event_base_loop() family of functions respect thread-safety better. This should clear up a few hard-to-debug race conditions. o Fix a bug when using a specialized memory allocator on win32. o Have the win32 select() backend label TCP-socket-connected events as EV_WRITE, not EV_READ. This should bring it in line with the other backends, and improve portability. Patch from Christopher Davis. o Stop using enums as arguments or return values when what we mean is a bitfield of enum values. C++ doesn't believe that you can OR two enum values together and get another enum, and C++ takes its typing seriously. Patch from Christopher Davis. o Add an API to replace all fatal calls to exit() with a user-provided panic function. o Replace all assert() calls with a variant that is aware of the user-provided logging and panic functions. o Add a return value to event_assign so that it can fail rather than asserting when the user gives it bad input. event_set still dies on bad input. o The event_base_new() and event_base_new_with_config() functions now never call exit() on failure. For backward "compatibility", event_init() still does, but more consistently. o Remove compat/sys/_time.h. It interfered with system headers on HPUX, and its functionality has been subsumed by event2/util.h and util-internal.h. o Add a new bufferevent_socket_connect_hostname() to encapsulate the resolve-then-connect operation. o Build kqueue.c correctly on GNU/kFreeBSD platforms. Patch pulled upstream from Debian. o Alternative queue-based timeout algorithm for programs that use a large number of timeouts with the same value. o New event_base_config option to disable the timeval cache entirely. o Make EV_PERSIST timeouts more accurate: schedule the next event based on the scheduled time of the previous event, not based on the current time. o Allow http.c to handle cases where getaddrinfo returns an IPv6 address. Patch from Ryan Phillips. o Fix a problem with excessive memory allocation when using multiple event priorities. o Default to using arc4random for DNS transaction IDs on systems that have it; from OpenBSD. o Never check the environment when we're running setuid or setgid; from OpenBSD. o Options passed to evdns_set_option() no longer need to end with a colon. o Add an evutil_getaddrinfo() function to clone getaddrinfo on platforms that don't have it. o Add an evdns_getaddrinfo() function to provide a nonblocking getaddrinfo using evdns, so programs can perform useful hostname lookup. o Finally expose the IOCP-based bufferevent backend. It passes its unit tests, but probably still has some bugs remaining. Code by Nick Mathewson and Christopher Davis. o Numerous other bugfixes. o On FreeBSD and other OSes, connect can return ECONREFUSED immediately; instead of failing the function call, pretend with faileld in the callback. o Fix a race condition in the pthreads test case; found by Nick Mathewson o Remove most calls to event_err() in http and deal with memory errors instead Changes in 2.0.2-alpha (25 Jul 2009): o Add a new flag to bufferevents to make all callbacks automatically deferred. o Make evdns functionality locked, and automatically defer dns callbacks. o Fix a possible free(NULL) when freeing an event_base with no signals. o Add a flag to disable checking environment varibles when making an event_base o Disallow setting less than 1 priority. o Fix a bug when removing a timeout from the heap. [Patch from Marko Kreen] o Use signal.h, not sys/signal.h. [Patch from mmadia] o Try harder to build with certain older c99 compilers. o Make sure that an event_config's flags field is always initialized to 0. [Bug report from Victor Goya] o Avoid data corruption when reading data entirely into the second-to-last chain of an evbuffer. [Bug report from Victor Goya] o Make sendfile work on FreeBSD o Do not use vararg macros for accessing evrpc structures; this is not backwards compatible, but we did not promise any backwards compatibility for the rpc code. o Actually define the event_config_set_flag() function. o Try harder to compile with Visual C++. o Move event_set() and its allies to event2/event_compat.h where they belong. o Remove the event_gotsig code, which has long been deprecated and unused. o Add an event_get_base() function to return the base assigned to an event. o New function to automate connecting on a socket-based bufferevent. o New functions to automate listening for incoming TCP connections. o Do case-insensitive checks with a locale-independent comparison function. o Rename the evbuffercb and everrorcb callbacks to bufferevent_data_cb and bufferevent_event_cb respectively. The old names are available in bufferevent_compat.h. o Rename the EVBUFFER_* codes used by bufferevent event callbacks to BEV_EVENT_*, to avoid namespace collision with evbuffer flags. The old names are available in bufferevent_compat.h. o Move the EVBUFFER_INPUT and EVBUFFER_OUTPUT macros to bufferevent_compat.h o Add a bufferevent_getfd() function to mirror bufferevent_setfd() o Make bufferevent_setfd() return an error code if the operation is not successful. o Shave 22 bytes off struct event on 32-bit platforms by shrinking and re-ordering fields. The savings on 64-bit platforms is likely higher. o Cap the maximum number of priorities at 256. o Change the semantics of evbuffer_cb_set_flags() to be set-flag only; add a new evbuffer_cb_clear_flags() to remove set flags. o Change the interface of evbuffer_add_reference so that the cleanup callback gets more information o Revise the new evbuffer_reserve_space/evbuffer_commit_space() interfaces so that you can use them without causing extraneous copies or leaving gaps in the evbuffer. o Add a new evbuffer_peek() interface to inspect data in an evbuffer without removing it. o Fix a deadlock when suspending reads in a bufferevent due to a full buffer. (Spotted by Joachim Bauch.) o Fix a memory error when freeing a thread-enabled event base with registered events. (Spotted by Joachim Bauch.) o Try to contain degree of failure when running on a win32 version so heavily firewalled that we can't fake a socketpair. o Activate fd events in a pseudorandom order with O(N) backends, so that we don't systematically favor low fds (select) or earlier-added fds (poll, win32). o Replace some read()/write() instances with send()/recv() to work properly on win32. o Set truncated flag correctly in evdns server replies. o Raise RpcGenError in event_rpcgen.py; from jmanison and Zack Weinberg o Fix preamble of rpcgen-generated files to rely on event2 includes; based on work by jmansion; patch from Zack Weinberg. o Allow specifying the output filename for rpcgen; based on work by jmansion; patch from Zack Weinberg. o Allow C identifiers as struct names; allow multiple comments in .rpc files; from Zack Weinberg o Mitigate a race condition when using socket bufferevents in multiple threads. o Use AC_SEARCH_LIBS, not AC_CHECK_LIB to avoid needless library use. o Do not allow event_del(ev) to return while that event's callback is executing in another thread. This fixes a nasty race condition. o event_get_supported_methods() now lists methods that have been disabled with the EVENT_NO* environment options. o Rename encode_int[64] to evtag_encode_int[64] to avoid polluting the global namespace. The old method names are still available as macros in event2/tag_compat.h. Changes in 2.0.1-alpha (17 Apr 2009): o free minheap on event_base_free(); from Christopher Layne o debug cleanups in signal.c; from Christopher Layne o provide event_base_new() that does not set the current_base global o bufferevent_write now uses a const source argument; report from Charles Kerr o improve documentation on event_base_loopexit; patch from Scott Lamb o New function, event_{base_}loopbreak. Like event_loopexit, it makes an event loop stop executing and return. Unlike event_loopexit, it keeps subsequent pending events from getting executed. Patch from Scott Lamb o Check return value of event_add in signal.c o provide event_reinit() to reintialize an event_base after fork o New function event_set_mem_functinons. It allows the user to give libevent replacement functions to use for memory management in place of malloc(), free(), etc. This should be generally useful for memory instrumentation, specialized allocators, and so on. o The kqueue implementation now catches signals that are raised after event_add() is called but before the event_loop() call. This makes it match the other implementations. o The kqueue implementation now restores original signal handlers correctly when its signal events are removed. o Check return value of event_add in signal.c o Add a more powerful evbuffer_readln as a replacement for evbuffer_readline. The new function handles more newline styles, and is more useful with buffers that may contain a nul characters. o Do not mangle socket handles on 64-bit windows. o The configure script now takes an --enable-gcc-warnings option that turns on many optional gcc warnings. (Nick has been building with these for a while, but they might be useful to other developers.) o move EV_PERSIST handling out of the event backends o small improvements to evhttp documentation o always generate Date and Content-Length headers for HTTP/1.1 replies o set the correct event base for HTTP close events o When building with GCC, use the "format" attribute to verify type correctness of calls to printf-like functions. o Rewrite win32.c backend to be O(n lg n) rather than O(n^2). o Removed obsoleted recalc code o support for 32-bit tag numbers in rpc structures; this is wire compatible, but changes the API slightly. o pull setters/getters out of RPC structures into a base class to which we just need to store a pointer; this reduces the memory footprint of these structures. o prefix {encode,decode}_tag functions with evtag to avoid collisions o fix a bug with event_rpcgen for integers o Correctly handle DNS replies with no answers set (Fixes bug 1846282) o add -Wstrict-aliasing to warnings and more cleanup o removed linger from http server socket; reported by Ilya Martynov o event_rpcgen now allows creating integer arrays o support string arrays in event_rpcgen o change evrpc hooking to allow pausing of RPCs; this will make it possible for the hook to do some meaning ful work; this is not backwards compatible. o allow an http request callback to take ownership of a request structure o allow association of meta data with RPC requests for hook processing o associate more context for hooks to query such as the connection object o remove pending timeouts on event_base_free() o also check EAGAIN for Solaris' event ports; from W.C.A. Wijngaards o devpoll and evport need reinit; tested by W.C.A Wijngaards o event_base_get_method; from Springande Ulv o Send CRLF after each chunk in HTTP output, for compliance with RFC2626. Patch from "propanbutan". Fixes bug 1894184. o Add a int64_t parsing function, with unit tests, so we can apply Scott Lamb's fix to allow large HTTP values. o Use a 64-bit field to hold HTTP content-lengths. Patch from Scott Lamb. o Allow regression code to build even without Python installed o remove NDEBUG ifdefs from evdns.c o detect integer types properly on platforms without stdint.h o udpate documentation of event_loop and event_base_loop; from Tani Hosokawa. o simplify evbuffer by removing orig_buffer o do not insert event into list when evsel->add fails o add support for PUT/DELETE requests; from Josh Rotenberg o introduce evhttp_accept_socket() to accept from an already created socket o include Content-Length in reply for HTTP/1.0 requests with keep-alive o increase listen queue for http sockets to 128; if that is not enough the evhttp_accpet_socket() api can be used with a prepared socket. o Patch from Tani Hosokawa: make some functions in http.c threadsafe. o test support for PUT/DELETE requests; from Josh Rotenberg o rewrite of the evbuffer code to reduce memory copies o Some older Solaris versions demand that _REENTRANT be defined to get strtok_r(); do so. o Do not free the kqop file descriptor in other processes, also allow it to be 0; from Andrei Nigmatulin o Provide OpenSSL style support for multiple threads accessing the same event_base o make event_rpcgen.py generate code include event-config.h; reported by Sam Banks. o switch thread support so that locks get allocated as they are needed. o make event methods static so that they are not exported; from Andrei Nigmatulin o make RPC replies use application/octet-stream as mime type o do not delete uninitialized timeout event in evdns o Correct the documentation on buffer printf functions. o Don't warn on unimplemented epoll_create(): this isn't a problem, just a reason to fall back to poll or select. o Correctly handle timeouts larger than 35 minutes on Linux with epoll.c. This is probably a kernel defect, but we'll have to support old kernels anyway even if it gets fixed. o Make name_from_addr() threadsafe in http.c o Add new thread-safe interfaces to evdns functions. o Make all event_tagging interfaces threadsafe. o Rename internal memory management functions. o New functions (event_assign, event_new, event_free) for use by apps that want to be safely threadsafe, or want to remain ignorant of the contents of struct event. o introduce bufferevent_read_buffer; allows reading without memory copy. o expose bufferevent_setwatermark via header files and fix high watermark on read o fix a bug in buffrevent read water marks and add a test for them o fix a bug in which bufferevent_write_buffer would not schedule a write event o provide bufferevent_input and bufferevent_output without requiring knowledge of the structure o introduce bufferevent_setcb and bufferevent_setfd to allow better manipulation of bufferevents o convert evhttp_connection to use bufferevents. o use libevent's internal timercmp on all platforms, to avoid bugs on old platforms where timercmp(a,b,<=) is buggy. o Remove the never-exported, never-used evhttp_hostportfile function. o Support input/output filters for bufferevents; somewhat similar to libio's model. This will allow us to implement SSL, compression, etc, transparently to users of bufferevents such as the http layer. o allow connections to be removed from an rpc pool o add new evtimer_assign, signal_assign, evtimer_new, and signal_new functions to manipulate timer and signal events, analagous to the now-recommended event_assign and event_new o switch internal uses of event_set over to use event_assign. o introduce evbuffer_contiguous_space() api that tells a user how much data is available in the first buffer chain o introduce evbuffer_reserve_space() and evbuffer_commit_space() to make processing in filters more efficient. o reduce system calls for getting current time by caching it. o separate signal events from io events; making the code less complex. o support for periodic timeouts o support for virtual HTTP hosts. o turn event_initialized() into a function, and add function equivalents to EVENT_SIGNAL and EVENT_FD so that people don't need to include event_struct.h o Build test directory correctly with CPPFLAGS set. o Provide an API for retrieving the supported event mechanisms. o event_base_new_with_config() and corresponding config APIs. o migrate the evhttp header to event2/ but accessors are still missing. o deprecate timeout_* event functions by moving them to event_compat.h o Move windows gettimeofday replacement into a new evutil_gettimeofday(). o Make configure script work on IRIX. o provide a method for canceling ongoing http requests. o Make vsnprintf() returns consistent on win32. o Fix connection keep-alive behavior for HTTP/1.0 o Fix use of freed memory in event_reinit; pointed out by Peter Postma o constify struct timeval * where possible o make event_get_supported_methods obey environment variables o support for edge-triggered events on epoll and kqueue backends: patch from Valery Kholodkov o support for selecting event backends by their features, and for querying the features of a backend. o change failing behavior of event_base_new_with_config: if a config is provided and no backend is selected, return NULL instead of aborting. o deliver partial data to request callbacks when chunked callback is set even if there is no chunking on the http level; allows cancelation of requests from within the chunked callback; from Scott Lamb. o allow min_heap_erase to be called on removed members; from liusifan. o Rename INPUT and OUTPUT to EVRPC_INPUT and EVRPC_OUTPUT. Retain INPUT/OUTPUT aliases on on-win32 platforms for backwards compatibility. o Do not use SO_REUSEADDR when connecting o Support 64-bit integers in RPC structs o Correct handling of trailing headers in chunked replies; from Scott Lamb. o Support multi-line HTTP headers; based on a patch from Moshe Litvin o Reject negative Content-Length headers; anonymous bug report o Detect CLOCK_MONOTONIC at runtime for evdns; anonymous bug report o Various HTTP correctness fixes from Scott Lamb o Fix a bug where deleting signals with the kqueue backend would cause subsequent adds to fail o Support multiple events listening on the same signal; make signals regular events that go on the same event queue; problem report by Alexander Drozdov. o Fix a problem with epoll() and reinit; problem report by Alexander Drozdov. o Fix off-by-one errors in devpoll; from Ian Bell o Make event_add not change any state if it fails; reported by Ian Bell. o Fix a bug where headers arriving in multiple packets were not parsed; fix from Jiang Hong; test by me. o Match the query in DNS replies to the query in the request; from Vsevolod Stakhov. o Add new utility functions to correctly observe and log winsock errors. o Do not remove Accept-Encoding header o Clear the timer cache on entering the event loop; reported by Victor Chang o Only bind the socket on connect when a local address has been provided; reported by Alejo Sanchez o Allow setting of local port for evhttp connections to support millions of connections from a single system; from Richard Jones. o Clear the timer cache when leaving the event loop; reported by Robin Haberkorn o Fix a typo in setting the global event base; reported by lance. o Set the 0x20 bit on outgoing alphabetic characters in DNS requests randomly, and insist on a match in replies. This helps resist DNS poisoning attacks. o Make the http connection close detection work properly with bufferevents and fix a potential memory leak associated with it. o Restructure the event backends so that they do not need to keep track of events themselves, as a side effect multiple events can use the same fd or signal. o Add generic implementations for parsing and emiting IPv6 addresses on platforms that do not have inet_ntop and/or inet_pton. o Allow DNS servers that have IPv6 addresses. o Add an evbuffer_write_atmost() function to write a limited number of bytes to an fd. o Refactor internal notify-main-thread logic to prefer eventfd to pipe, then pipe to socketpair, and only use socketpairs as a last resort. o Try harder to pack all evbuffer reads into as few chains as possible, using readv/WSARecv as appropriate. o New evthread_use_windows_threads() and evthread_use_pthreads() functions to set up the evthread callbacks with reasonable defaults. o Change the semantics of timeouts in conjunction with EV_PERSIST; timeouts in that case will now repeat until deleted. o sendfile, mmap and memory reference support for evbuffers. o New evutil_make_listen_socket_reuseable() to abstract SO_REUSEADDR. o New bind-to option to allow DNS clients to bind to an arbitrary port for outgoing requests. o evbuffers can now be "frozen" to prevent operations at one or both ends. o Bufferevents now notice external attempts to add data to an inbuf or remove it from an outbuf, and stop them. o Fix parsing of queries where the encoded queries contained \r, \n or + o Do not allow internal events to starve lower-priority events. lldpd-1.0.18/libevent/kqueue.c0000644000076400001440000003543014111362570015416 0ustar00bernatusers/* $OpenBSD: kqueue.c,v 1.5 2002/07/10 14:41:31 art Exp $ */ /* * Copyright 2000-2007 Niels Provos * Copyright 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #ifdef EVENT__HAVE_KQUEUE #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #include #include #include #include #include #include #include #include #ifdef EVENT__HAVE_INTTYPES_H #include #endif /* Some platforms apparently define the udata field of struct kevent as * intptr_t, whereas others define it as void*. There doesn't seem to be an * easy way to tell them apart via autoconf, so we need to use OS macros. */ #if defined(__NetBSD__) #define PTR_TO_UDATA(x) ((typeof(((struct kevent *)0)->udata))(x)) #define INT_TO_UDATA(x) ((typeof(((struct kevent *)0)->udata))(intptr_t)(x)) #elif defined(EVENT__HAVE_INTTYPES_H) && !defined(__OpenBSD__) && !defined(__FreeBSD__) && !defined(__darwin__) && !defined(__APPLE__) && !defined(__CloudABI__) #define PTR_TO_UDATA(x) ((intptr_t)(x)) #define INT_TO_UDATA(x) ((intptr_t)(x)) #else #define PTR_TO_UDATA(x) (x) #define INT_TO_UDATA(x) ((void*)(x)) #endif #include "event-internal.h" #include "log-internal.h" #include "evmap-internal.h" #include "event2/thread.h" #include "event2/util.h" #include "evthread-internal.h" #include "changelist-internal.h" #include "kqueue-internal.h" #define NEVENT 64 struct kqop { struct kevent *changes; int changes_size; struct kevent *events; int events_size; int kq; int notify_event_added; pid_t pid; }; static void kqop_free(struct kqop *kqop); static void *kq_init(struct event_base *); static int kq_sig_add(struct event_base *, int, short, short, void *); static int kq_sig_del(struct event_base *, int, short, short, void *); static int kq_dispatch(struct event_base *, struct timeval *); static void kq_dealloc(struct event_base *); const struct eventop kqops = { "kqueue", kq_init, event_changelist_add_, event_changelist_del_, kq_dispatch, kq_dealloc, 1 /* need reinit */, EV_FEATURE_ET|EV_FEATURE_O1|EV_FEATURE_FDS, EVENT_CHANGELIST_FDINFO_SIZE }; static const struct eventop kqsigops = { "kqueue_signal", NULL, kq_sig_add, kq_sig_del, NULL, NULL, 1 /* need reinit */, 0, 0 }; static void * kq_init(struct event_base *base) { int kq = -1; struct kqop *kqueueop = NULL; if (!(kqueueop = mm_calloc(1, sizeof(struct kqop)))) return (NULL); /* Initialize the kernel queue */ if ((kq = kqueue()) == -1) { event_warn("kqueue"); goto err; } kqueueop->kq = kq; kqueueop->pid = getpid(); /* Initialize fields */ kqueueop->changes = mm_calloc(NEVENT, sizeof(struct kevent)); if (kqueueop->changes == NULL) goto err; kqueueop->events = mm_calloc(NEVENT, sizeof(struct kevent)); if (kqueueop->events == NULL) goto err; kqueueop->events_size = kqueueop->changes_size = NEVENT; /* Check for Mac OS X kqueue bug. */ memset(&kqueueop->changes[0], 0, sizeof kqueueop->changes[0]); kqueueop->changes[0].ident = -1; kqueueop->changes[0].filter = EVFILT_READ; kqueueop->changes[0].flags = EV_ADD; /* * If kqueue works, then kevent will succeed, and it will * stick an error in events[0]. If kqueue is broken, then * kevent will fail. */ if (kevent(kq, kqueueop->changes, 1, kqueueop->events, NEVENT, NULL) != 1 || (int)kqueueop->events[0].ident != -1 || !(kqueueop->events[0].flags & EV_ERROR)) { event_warn("%s: detected broken kqueue; not using.", __func__); goto err; } base->evsigsel = &kqsigops; return (kqueueop); err: if (kqueueop) kqop_free(kqueueop); return (NULL); } #define ADD_UDATA 0x30303 static void kq_setup_kevent(struct kevent *out, evutil_socket_t fd, int filter, short change) { memset(out, 0, sizeof(struct kevent)); out->ident = fd; out->filter = filter; if (change & EV_CHANGE_ADD) { out->flags = EV_ADD; /* We set a magic number here so that we can tell 'add' * errors from 'del' errors. */ out->udata = INT_TO_UDATA(ADD_UDATA); if (change & EV_ET) out->flags |= EV_CLEAR; #ifdef NOTE_EOF /* Make it behave like select() and poll() */ if (filter == EVFILT_READ) out->fflags = NOTE_EOF; #endif } else { EVUTIL_ASSERT(change & EV_CHANGE_DEL); out->flags = EV_DELETE; } } static int kq_build_changes_list(const struct event_changelist *changelist, struct kqop *kqop) { int i; int n_changes = 0; for (i = 0; i < changelist->n_changes; ++i) { struct event_change *in_ch = &changelist->changes[i]; struct kevent *out_ch; if (n_changes >= kqop->changes_size - 1) { int newsize; struct kevent *newchanges; if (kqop->changes_size > INT_MAX / 2 || (size_t)kqop->changes_size * 2 > EV_SIZE_MAX / sizeof(struct kevent)) { event_warnx("%s: int overflow", __func__); return (-1); } newsize = kqop->changes_size * 2; newchanges = mm_realloc(kqop->changes, newsize * sizeof(struct kevent)); if (newchanges == NULL) { event_warn("%s: realloc", __func__); return (-1); } kqop->changes = newchanges; kqop->changes_size = newsize; } if (in_ch->read_change) { out_ch = &kqop->changes[n_changes++]; kq_setup_kevent(out_ch, in_ch->fd, EVFILT_READ, in_ch->read_change); } if (in_ch->write_change) { out_ch = &kqop->changes[n_changes++]; kq_setup_kevent(out_ch, in_ch->fd, EVFILT_WRITE, in_ch->write_change); } } return n_changes; } static int kq_grow_events(struct kqop *kqop, size_t new_size) { struct kevent *newresult; newresult = mm_realloc(kqop->events, new_size * sizeof(struct kevent)); if (newresult) { kqop->events = newresult; kqop->events_size = new_size; return 0; } else { return -1; } } static int kq_dispatch(struct event_base *base, struct timeval *tv) { struct kqop *kqop = base->evbase; struct kevent *events = kqop->events; struct kevent *changes; struct timespec ts, *ts_p = NULL; int i, n_changes, res; if (tv != NULL) { ts.tv_sec = tv->tv_sec; ts.tv_nsec = tv->tv_usec * 1000; ts_p = &ts; } /* Build "changes" from "base->changes" */ EVUTIL_ASSERT(kqop->changes); n_changes = kq_build_changes_list(&base->changelist, kqop); if (n_changes < 0) return -1; event_changelist_remove_all_(&base->changelist, base); /* steal the changes array in case some broken code tries to call * dispatch twice at once. */ changes = kqop->changes; kqop->changes = NULL; /* Make sure that 'events' is at least as long as the list of changes: * otherwise errors in the changes can get reported as a -1 return * value from kevent() rather than as EV_ERROR events in the events * array. * * (We could instead handle -1 return values from kevent() by * retrying with a smaller changes array or a larger events array, * but this approach seems less risky for now.) */ if (kqop->events_size < n_changes) { int new_size = kqop->events_size; do { new_size *= 2; } while (new_size < n_changes); kq_grow_events(kqop, new_size); events = kqop->events; } EVBASE_RELEASE_LOCK(base, th_base_lock); res = kevent(kqop->kq, changes, n_changes, events, kqop->events_size, ts_p); EVBASE_ACQUIRE_LOCK(base, th_base_lock); EVUTIL_ASSERT(kqop->changes == NULL); kqop->changes = changes; if (res == -1) { if (errno != EINTR) { event_warn("kevent"); return (-1); } return (0); } event_debug(("%s: kevent reports %d", __func__, res)); for (i = 0; i < res; i++) { int which = 0; if (events[i].flags & EV_ERROR) { switch (events[i].data) { /* Can occur on delete if we are not currently * watching any events on this fd. That can * happen when the fd was closed and another * file was opened with that fd. */ case ENOENT: /* Can occur for reasons not fully understood * on FreeBSD. */ case EINVAL: continue; #if defined(__FreeBSD__) /* * This currently occurs if an FD is closed * before the EV_DELETE makes it out via kevent(). * The FreeBSD capabilities code sees the blank * capability set and rejects the request to * modify an event. * * To be strictly correct - when an FD is closed, * all the registered events are also removed. * Queuing EV_DELETE to a closed FD is wrong. * The event(s) should just be deleted from * the pending changelist. */ case ENOTCAPABLE: continue; #endif /* Can occur on a delete if the fd is closed. */ case EBADF: /* XXXX On NetBSD, we can also get EBADF if we * try to add the write side of a pipe, but * the read side has already been closed. * Other BSDs call this situation 'EPIPE'. It * would be good if we had a way to report * this situation. */ continue; /* These two can occur on an add if the fd was one side * of a pipe, and the other side was closed. */ case EPERM: case EPIPE: /* Report read events, if we're listening for * them, so that the user can learn about any * add errors. (If the operation was a * delete, then udata should be cleared.) */ if (events[i].udata) { /* The operation was an add: * report the error as a read. */ which |= EV_READ; break; } else { /* The operation was a del: * report nothing. */ continue; } /* Other errors shouldn't occur. */ default: errno = events[i].data; return (-1); } } else if (events[i].filter == EVFILT_READ) { which |= EV_READ; } else if (events[i].filter == EVFILT_WRITE) { which |= EV_WRITE; } else if (events[i].filter == EVFILT_SIGNAL) { which |= EV_SIGNAL; #ifdef EVFILT_USER } else if (events[i].filter == EVFILT_USER) { base->is_notify_pending = 0; #endif } if (!which) continue; if (events[i].filter == EVFILT_SIGNAL) { evmap_signal_active_(base, events[i].ident, 1); } else { evmap_io_active_(base, events[i].ident, which | EV_ET); } } if (res == kqop->events_size) { /* We used all the events space that we have. Maybe we should make it bigger. */ kq_grow_events(kqop, kqop->events_size * 2); } return (0); } static void kqop_free(struct kqop *kqop) { if (kqop->changes) mm_free(kqop->changes); if (kqop->events) mm_free(kqop->events); if (kqop->kq >= 0 && kqop->pid == getpid()) close(kqop->kq); memset(kqop, 0, sizeof(struct kqop)); mm_free(kqop); } static void kq_dealloc(struct event_base *base) { struct kqop *kqop = base->evbase; evsig_dealloc_(base); kqop_free(kqop); } /* signal handling */ static int kq_sig_add(struct event_base *base, int nsignal, short old, short events, void *p) { struct kqop *kqop = base->evbase; struct kevent kev; struct timespec timeout = { 0, 0 }; (void)p; EVUTIL_ASSERT(nsignal >= 0 && nsignal < NSIG); memset(&kev, 0, sizeof(kev)); kev.ident = nsignal; kev.filter = EVFILT_SIGNAL; kev.flags = EV_ADD; /* Be ready for the signal if it is sent any * time between now and the next call to * kq_dispatch. */ if (kevent(kqop->kq, &kev, 1, NULL, 0, &timeout) == -1) return (-1); /* We can set the handler for most signals to SIG_IGN and * still have them reported to us in the queue. However, * if the handler for SIGCHLD is SIG_IGN, the system reaps * zombie processes for us, and we don't get any notification. * This appears to be the only signal with this quirk. */ if (evsig_set_handler_(base, nsignal, nsignal == SIGCHLD ? SIG_DFL : SIG_IGN) == -1) return (-1); return (0); } static int kq_sig_del(struct event_base *base, int nsignal, short old, short events, void *p) { struct kqop *kqop = base->evbase; struct kevent kev; struct timespec timeout = { 0, 0 }; (void)p; EVUTIL_ASSERT(nsignal >= 0 && nsignal < NSIG); memset(&kev, 0, sizeof(kev)); kev.ident = nsignal; kev.filter = EVFILT_SIGNAL; kev.flags = EV_DELETE; /* Because we insert signal events * immediately, we need to delete them * immediately, too */ if (kevent(kqop->kq, &kev, 1, NULL, 0, &timeout) == -1) return (-1); if (evsig_restore_handler_(base, nsignal) == -1) return (-1); return (0); } /* OSX 10.6 and FreeBSD 8.1 add support for EVFILT_USER, which we can use * to wake up the event loop from another thread. */ /* Magic number we use for our filter ID. */ #define NOTIFY_IDENT 42 int event_kq_add_notify_event_(struct event_base *base) { struct kqop *kqop = base->evbase; #if defined(EVFILT_USER) && defined(NOTE_TRIGGER) struct kevent kev; struct timespec timeout = { 0, 0 }; #endif if (kqop->notify_event_added) return 0; #if defined(EVFILT_USER) && defined(NOTE_TRIGGER) memset(&kev, 0, sizeof(kev)); kev.ident = NOTIFY_IDENT; kev.filter = EVFILT_USER; kev.flags = EV_ADD | EV_CLEAR; if (kevent(kqop->kq, &kev, 1, NULL, 0, &timeout) == -1) { event_warn("kevent: adding EVFILT_USER event"); return -1; } kqop->notify_event_added = 1; return 0; #else return -1; #endif } int event_kq_notify_base_(struct event_base *base) { struct kqop *kqop = base->evbase; #if defined(EVFILT_USER) && defined(NOTE_TRIGGER) struct kevent kev; struct timespec timeout = { 0, 0 }; #endif if (! kqop->notify_event_added) return -1; #if defined(EVFILT_USER) && defined(NOTE_TRIGGER) memset(&kev, 0, sizeof(kev)); kev.ident = NOTIFY_IDENT; kev.filter = EVFILT_USER; kev.fflags = NOTE_TRIGGER; if (kevent(kqop->kq, &kev, 1, NULL, 0, &timeout) == -1) { event_warn("kevent: triggering EVFILT_USER event"); return -1; } return 0; #else return -1; #endif } #endif /* EVENT__HAVE_KQUEUE */ lldpd-1.0.18/libevent/strlcpy.c0000644000076400001440000000502614111362570015615 0ustar00bernatusers/* $OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $ */ /* * Copyright (c) 1998 Todd C. Miller * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #if defined(LIBC_SCCS) && !defined(lint) static char *rcsid = "$OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $"; #endif /* LIBC_SCCS and not lint */ #include "event2/event-config.h" #include "evconfig-private.h" #include #ifndef EVENT__HAVE_STRLCPY #include "strlcpy-internal.h" /* * Copy src to string dst of size siz. At most siz-1 characters * will be copied. Always NUL terminates (unless siz == 0). * Returns strlen(src); if retval >= siz, truncation occurred. */ size_t event_strlcpy_(dst, src, siz) char *dst; const char *src; size_t siz; { register char *d = dst; register const char *s = src; register size_t n = siz; /* Copy as many bytes as will fit */ if (n != 0 && --n != 0) { do { if ((*d++ = *s++) == 0) break; } while (--n != 0); } /* Not enough room in dst, add NUL and traverse rest of src */ if (n == 0) { if (siz != 0) *d = '\0'; /* NUL-terminate dst */ while (*s++) ; } return (s - src - 1); /* count does not include NUL */ } #endif lldpd-1.0.18/libevent/util-internal.h0000644000076400001440000004244614111362570016720 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef UTIL_INTERNAL_H_INCLUDED_ #define UTIL_INTERNAL_H_INCLUDED_ #include "event2/event-config.h" #include "evconfig-private.h" #include /* For EVUTIL_ASSERT */ #include "log-internal.h" #include #include #ifdef EVENT__HAVE_SYS_SOCKET_H #include #endif #ifdef EVENT__HAVE_SYS_EVENTFD_H #include #endif #include "event2/util.h" #include "time-internal.h" #include "ipv6-internal.h" #ifdef __cplusplus extern "C" { #endif /* __has_attribute() wrapper */ #ifdef __has_attribute # define EVUTIL_HAS_ATTRIBUTE __has_attribute #endif /** clang 3 __has_attribute misbehaves in some versions */ #if defined(__clang__) && __clang__ == 1 # if defined(__apple_build_version__) # if __clang_major__ <= 6 # undef EVUTIL_HAS_ATTRIBUTE # endif # else /* !__apple_build_version__ */ # if __clang_major__ == 3 && __clang_minor__ >= 2 && __clang_minor__ <= 5 # undef EVUTIL_HAS_ATTRIBUTE # endif # endif /* __apple_build_version__ */ #endif /*\ defined(__clang__) && __clang__ == 1 */ #ifndef EVUTIL_HAS_ATTRIBUTE # define EVUTIL_HAS_ATTRIBUTE(x) 0 #endif /* If we need magic to say "inline", get it for free internally. */ #ifdef EVENT__inline #define inline EVENT__inline #endif /* Define to appropriate substitute if compiler doesnt have __func__ */ #if defined(EVENT__HAVE___func__) # ifndef __func__ # define __func__ __func__ # endif #elif defined(EVENT__HAVE___FUNCTION__) # define __func__ __FUNCTION__ #else # define __func__ __FILE__ #endif /* A good no-op to use in macro definitions. */ #define EVUTIL_NIL_STMT_ ((void)0) /* A no-op that tricks the compiler into thinking a condition is used while * definitely not making any code for it. Used to compile out asserts while * avoiding "unused variable" warnings. The "!" forces the compiler to * do the sizeof() on an int, in case "condition" is a bitfield value. */ #define EVUTIL_NIL_CONDITION_(condition) do { \ (void)sizeof(!(condition)); \ } while(0) /* Internal use only: macros to match patterns of error codes in a cross-platform way. We need these macros because of two historical reasons: first, nonblocking IO functions are generally written to give an error on the "blocked now, try later" case, so sometimes an error from a read, write, connect, or accept means "no error; just wait for more data," and we need to look at the error code. Second, Windows defines a different set of error codes for sockets. */ #ifndef _WIN32 #if EAGAIN == EWOULDBLOCK #define EVUTIL_ERR_IS_EAGAIN(e) \ ((e) == EAGAIN) #else #define EVUTIL_ERR_IS_EAGAIN(e) \ ((e) == EAGAIN || (e) == EWOULDBLOCK) #endif /* True iff e is an error that means a read/write operation can be retried. */ #define EVUTIL_ERR_RW_RETRIABLE(e) \ ((e) == EINTR || EVUTIL_ERR_IS_EAGAIN(e)) /* True iff e is an error that means an connect can be retried. */ #define EVUTIL_ERR_CONNECT_RETRIABLE(e) \ ((e) == EINTR || (e) == EINPROGRESS) /* True iff e is an error that means a accept can be retried. */ #define EVUTIL_ERR_ACCEPT_RETRIABLE(e) \ ((e) == EINTR || EVUTIL_ERR_IS_EAGAIN(e) || (e) == ECONNABORTED) /* True iff e is an error that means the connection was refused */ #define EVUTIL_ERR_CONNECT_REFUSED(e) \ ((e) == ECONNREFUSED) #else /* Win32 */ #define EVUTIL_ERR_IS_EAGAIN(e) \ ((e) == WSAEWOULDBLOCK || (e) == EAGAIN) #define EVUTIL_ERR_RW_RETRIABLE(e) \ ((e) == WSAEWOULDBLOCK || \ (e) == WSAEINTR) #define EVUTIL_ERR_CONNECT_RETRIABLE(e) \ ((e) == WSAEWOULDBLOCK || \ (e) == WSAEINTR || \ (e) == WSAEINPROGRESS || \ (e) == WSAEINVAL) #define EVUTIL_ERR_ACCEPT_RETRIABLE(e) \ EVUTIL_ERR_RW_RETRIABLE(e) #define EVUTIL_ERR_CONNECT_REFUSED(e) \ ((e) == WSAECONNREFUSED) #endif /* Arguments for shutdown() */ #ifdef SHUT_RD #define EVUTIL_SHUT_RD SHUT_RD #else #define EVUTIL_SHUT_RD 0 #endif #ifdef SHUT_WR #define EVUTIL_SHUT_WR SHUT_WR #else #define EVUTIL_SHUT_WR 1 /* SD_SEND */ #endif #ifdef SHUT_BOTH #define EVUTIL_SHUT_BOTH SHUT_BOTH #else #define EVUTIL_SHUT_BOTH 2 #endif /* Helper: Verify that all the elements in 'dlist' are internally consistent. * Checks for circular lists and bad prev/next pointers. * * Example usage: * EVUTIL_ASSERT_LIST_OK(eventlist, event, ev_next); */ #define EVUTIL_ASSERT_LIST_OK(dlist, type, field) do { \ struct type *elm1, *elm2, **nextp; \ if (LIST_EMPTY((dlist))) \ break; \ \ /* Check list for circularity using Floyd's */ \ /* 'Tortoise and Hare' algorithm */ \ elm1 = LIST_FIRST((dlist)); \ elm2 = LIST_NEXT(elm1, field); \ while (elm1 && elm2) { \ EVUTIL_ASSERT(elm1 != elm2); \ elm1 = LIST_NEXT(elm1, field); \ elm2 = LIST_NEXT(elm2, field); \ if (!elm2) \ break; \ EVUTIL_ASSERT(elm1 != elm2); \ elm2 = LIST_NEXT(elm2, field); \ } \ \ /* Now check next and prev pointers for consistency. */ \ nextp = &LIST_FIRST((dlist)); \ elm1 = LIST_FIRST((dlist)); \ while (elm1) { \ EVUTIL_ASSERT(*nextp == elm1); \ EVUTIL_ASSERT(nextp == elm1->field.le_prev); \ nextp = &LIST_NEXT(elm1, field); \ elm1 = *nextp; \ } \ } while (0) /* Helper: Verify that all the elements in a TAILQ are internally consistent. * Checks for circular lists and bad prev/next pointers. * * Example usage: * EVUTIL_ASSERT_TAILQ_OK(activelist, event, ev_active_next); */ #define EVUTIL_ASSERT_TAILQ_OK(tailq, type, field) do { \ struct type *elm1, *elm2, **nextp; \ if (TAILQ_EMPTY((tailq))) \ break; \ \ /* Check list for circularity using Floyd's */ \ /* 'Tortoise and Hare' algorithm */ \ elm1 = TAILQ_FIRST((tailq)); \ elm2 = TAILQ_NEXT(elm1, field); \ while (elm1 && elm2) { \ EVUTIL_ASSERT(elm1 != elm2); \ elm1 = TAILQ_NEXT(elm1, field); \ elm2 = TAILQ_NEXT(elm2, field); \ if (!elm2) \ break; \ EVUTIL_ASSERT(elm1 != elm2); \ elm2 = TAILQ_NEXT(elm2, field); \ } \ \ /* Now check next and prev pointers for consistency. */ \ nextp = &TAILQ_FIRST((tailq)); \ elm1 = TAILQ_FIRST((tailq)); \ while (elm1) { \ EVUTIL_ASSERT(*nextp == elm1); \ EVUTIL_ASSERT(nextp == elm1->field.tqe_prev); \ nextp = &TAILQ_NEXT(elm1, field); \ elm1 = *nextp; \ } \ EVUTIL_ASSERT(nextp == (tailq)->tqh_last); \ } while (0) /* Locale-independent replacements for some ctypes functions. Use these * when you care about ASCII's notion of character types, because you are about * to send those types onto the wire. */ EVENT2_EXPORT_SYMBOL int EVUTIL_ISALPHA_(char c); EVENT2_EXPORT_SYMBOL int EVUTIL_ISALNUM_(char c); int EVUTIL_ISSPACE_(char c); EVENT2_EXPORT_SYMBOL int EVUTIL_ISDIGIT_(char c); EVENT2_EXPORT_SYMBOL int EVUTIL_ISXDIGIT_(char c); int EVUTIL_ISPRINT_(char c); int EVUTIL_ISLOWER_(char c); int EVUTIL_ISUPPER_(char c); EVENT2_EXPORT_SYMBOL char EVUTIL_TOUPPER_(char c); EVENT2_EXPORT_SYMBOL char EVUTIL_TOLOWER_(char c); /** Remove all trailing horizontal whitespace (space or tab) from the end of a * string */ EVENT2_EXPORT_SYMBOL void evutil_rtrim_lws_(char *); /** Helper macro. If we know that a given pointer points to a field in a structure, return a pointer to the structure itself. Used to implement our half-baked C OO. Example: struct subtype { int x; struct supertype common; int y; }; ... void fn(struct supertype *super) { struct subtype *sub = EVUTIL_UPCAST(super, struct subtype, common); ... } */ #define EVUTIL_UPCAST(ptr, type, field) \ ((type *)(((char*)(ptr)) - evutil_offsetof(type, field))) /* As open(pathname, flags, mode), except that the file is always opened with * the close-on-exec flag set. (And the mode argument is mandatory.) */ int evutil_open_closeonexec_(const char *pathname, int flags, unsigned mode); EVENT2_EXPORT_SYMBOL int evutil_read_file_(const char *filename, char **content_out, size_t *len_out, int is_binary); EVENT2_EXPORT_SYMBOL int evutil_socket_connect_(evutil_socket_t *fd_ptr, const struct sockaddr *sa, int socklen); int evutil_socket_finished_connecting_(evutil_socket_t fd); EVENT2_EXPORT_SYMBOL int evutil_ersatz_socketpair_(int, int , int, evutil_socket_t[]); int evutil_resolve_(int family, const char *hostname, struct sockaddr *sa, ev_socklen_t *socklen, int port); const char *evutil_getenv_(const char *name); /* Structure to hold the state of our weak random number generator. */ struct evutil_weakrand_state { ev_uint32_t seed; }; #define EVUTIL_WEAKRAND_MAX EV_INT32_MAX /* Initialize the state of a week random number generator based on 'seed'. If * the seed is 0, construct a new seed based on not-very-strong platform * entropy, like the PID and the time of day. * * This function, and the other evutil_weakrand* functions, are meant for * speed, not security or statistical strength. If you need a RNG which an * attacker can't predict, or which passes strong statistical tests, use the * evutil_secure_rng* functions instead. */ EVENT2_EXPORT_SYMBOL ev_uint32_t evutil_weakrand_seed_(struct evutil_weakrand_state *state, ev_uint32_t seed); /* Return a pseudorandom value between 0 and EVUTIL_WEAKRAND_MAX inclusive. * Updates the state in 'seed' as needed -- this value must be protected by a * lock. */ EVENT2_EXPORT_SYMBOL ev_int32_t evutil_weakrand_(struct evutil_weakrand_state *seed); /* Return a pseudorandom value x such that 0 <= x < top. top must be no more * than EVUTIL_WEAKRAND_MAX. Updates the state in 'seed' as needed -- this * value must be proteced by a lock */ EVENT2_EXPORT_SYMBOL ev_int32_t evutil_weakrand_range_(struct evutil_weakrand_state *seed, ev_int32_t top); /* Evaluates to the same boolean value as 'p', and hints to the compiler that * we expect this value to be false. */ #if defined(__GNUC__) && __GNUC__ >= 3 /* gcc 3.0 or later */ #define EVUTIL_UNLIKELY(p) __builtin_expect(!!(p),0) #else #define EVUTIL_UNLIKELY(p) (p) #endif #if EVUTIL_HAS_ATTRIBUTE(fallthrough) #define EVUTIL_FALLTHROUGH __attribute__((fallthrough)) #else #define EVUTIL_FALLTHROUGH /* fallthrough */ #endif /* Replacement for assert() that calls event_errx on failure. */ #ifdef NDEBUG #define EVUTIL_ASSERT(cond) EVUTIL_NIL_CONDITION_(cond) #define EVUTIL_FAILURE_CHECK(cond) 0 #else #define EVUTIL_ASSERT(cond) \ do { \ if (EVUTIL_UNLIKELY(!(cond))) { \ event_errx(EVENT_ERR_ABORT_, \ "%s:%d: Assertion %s failed in %s", \ __FILE__,__LINE__,#cond,__func__); \ /* In case a user-supplied handler tries to */ \ /* return control to us, log and abort here. */ \ (void)fprintf(stderr, \ "%s:%d: Assertion %s failed in %s", \ __FILE__,__LINE__,#cond,__func__); \ abort(); \ } \ } while (0) #define EVUTIL_FAILURE_CHECK(cond) EVUTIL_UNLIKELY(cond) #endif #ifndef EVENT__HAVE_STRUCT_SOCKADDR_STORAGE /* Replacement for sockaddr storage that we can use internally on platforms * that lack it. It is not space-efficient, but neither is sockaddr_storage. */ struct sockaddr_storage { union { struct sockaddr ss_sa; struct sockaddr_in ss_sin; struct sockaddr_in6 ss_sin6; char ss_padding[128]; } ss_union; }; #define ss_family ss_union.ss_sa.sa_family #endif /* Internal addrinfo error code. This one is returned from only from * evutil_getaddrinfo_common_, when we are sure that we'll have to hit a DNS * server. */ #define EVUTIL_EAI_NEED_RESOLVE -90002 struct evdns_base; struct evdns_getaddrinfo_request; typedef struct evdns_getaddrinfo_request* (*evdns_getaddrinfo_fn)( struct evdns_base *base, const char *nodename, const char *servname, const struct evutil_addrinfo *hints_in, void (*cb)(int, struct evutil_addrinfo *, void *), void *arg); EVENT2_EXPORT_SYMBOL void evutil_set_evdns_getaddrinfo_fn_(evdns_getaddrinfo_fn fn); typedef void (*evdns_getaddrinfo_cancel_fn)( struct evdns_getaddrinfo_request *req); EVENT2_EXPORT_SYMBOL void evutil_set_evdns_getaddrinfo_cancel_fn_(evdns_getaddrinfo_cancel_fn fn); EVENT2_EXPORT_SYMBOL struct evutil_addrinfo *evutil_new_addrinfo_(struct sockaddr *sa, ev_socklen_t socklen, const struct evutil_addrinfo *hints); EVENT2_EXPORT_SYMBOL struct evutil_addrinfo *evutil_addrinfo_append_(struct evutil_addrinfo *first, struct evutil_addrinfo *append); EVENT2_EXPORT_SYMBOL void evutil_adjust_hints_for_addrconfig_(struct evutil_addrinfo *hints); EVENT2_EXPORT_SYMBOL int evutil_getaddrinfo_common_(const char *nodename, const char *servname, struct evutil_addrinfo *hints, struct evutil_addrinfo **res, int *portnum); struct evdns_getaddrinfo_request *evutil_getaddrinfo_async_( struct evdns_base *dns_base, const char *nodename, const char *servname, const struct evutil_addrinfo *hints_in, void (*cb)(int, struct evutil_addrinfo *, void *), void *arg); void evutil_getaddrinfo_cancel_async_(struct evdns_getaddrinfo_request *data); /** Return true iff sa is a looback address. (That is, it is 127.0.0.1/8, or * ::1). */ EVENT2_EXPORT_SYMBOL int evutil_sockaddr_is_loopback_(const struct sockaddr *sa); /** Formats a sockaddr sa into a string buffer of size outlen stored in out. Returns a pointer to out. Always writes something into out, so it's safe to use the output of this function without checking it for NULL. */ EVENT2_EXPORT_SYMBOL const char *evutil_format_sockaddr_port_(const struct sockaddr *sa, char *out, size_t outlen); int evutil_hex_char_to_int_(char c); void evutil_free_secure_rng_globals_(void); void evutil_free_globals_(void); #ifdef _WIN32 EVENT2_EXPORT_SYMBOL HMODULE evutil_load_windows_system_library_(const TCHAR *library_name); #endif #ifndef EV_SIZE_FMT #if defined(_MSC_VER) || defined(__MINGW32__) || defined(__MINGW64__) #define EV_U64_FMT "%I64u" #define EV_I64_FMT "%I64d" #define EV_I64_ARG(x) ((__int64)(x)) #define EV_U64_ARG(x) ((unsigned __int64)(x)) #else #define EV_U64_FMT "%llu" #define EV_I64_FMT "%lld" #define EV_I64_ARG(x) ((long long)(x)) #define EV_U64_ARG(x) ((unsigned long long)(x)) #endif #endif #ifdef _WIN32 #define EV_SOCK_FMT EV_I64_FMT #define EV_SOCK_ARG(x) EV_I64_ARG((x)) #else #define EV_SOCK_FMT "%d" #define EV_SOCK_ARG(x) (x) #endif #if defined(__STDC__) && defined(__STDC_VERSION__) && !defined(__MINGW64_VERSION_MAJOR) #if (__STDC_VERSION__ >= 199901L) #define EV_SIZE_FMT "%zu" #define EV_SSIZE_FMT "%zd" #define EV_SIZE_ARG(x) (x) #define EV_SSIZE_ARG(x) (x) #endif #endif #ifndef EV_SIZE_FMT #if (EVENT__SIZEOF_SIZE_T <= EVENT__SIZEOF_LONG) #define EV_SIZE_FMT "%lu" #define EV_SSIZE_FMT "%ld" #define EV_SIZE_ARG(x) ((unsigned long)(x)) #define EV_SSIZE_ARG(x) ((long)(x)) #else #define EV_SIZE_FMT EV_U64_FMT #define EV_SSIZE_FMT EV_I64_FMT #define EV_SIZE_ARG(x) EV_U64_ARG(x) #define EV_SSIZE_ARG(x) EV_I64_ARG(x) #endif #endif EVENT2_EXPORT_SYMBOL evutil_socket_t evutil_socket_(int domain, int type, int protocol); evutil_socket_t evutil_accept4_(evutil_socket_t sockfd, struct sockaddr *addr, ev_socklen_t *addrlen, int flags); /* used by one of the test programs.. */ EVENT2_EXPORT_SYMBOL int evutil_make_internal_pipe_(evutil_socket_t fd[2]); evutil_socket_t evutil_eventfd_(unsigned initval, int flags); #ifdef SOCK_NONBLOCK #define EVUTIL_SOCK_NONBLOCK SOCK_NONBLOCK #else #define EVUTIL_SOCK_NONBLOCK 0x4000000 #endif #ifdef SOCK_CLOEXEC #define EVUTIL_SOCK_CLOEXEC SOCK_CLOEXEC #else #define EVUTIL_SOCK_CLOEXEC 0x80000000 #endif #ifdef EFD_NONBLOCK #define EVUTIL_EFD_NONBLOCK EFD_NONBLOCK #else #define EVUTIL_EFD_NONBLOCK 0x4000 #endif #ifdef EFD_CLOEXEC #define EVUTIL_EFD_CLOEXEC EFD_CLOEXEC #else #define EVUTIL_EFD_CLOEXEC 0x8000 #endif void evutil_memclear_(void *mem, size_t len); struct in_addr; struct in6_addr; /* This is a any, loopback, link-local, multicast */ EVENT2_EXPORT_SYMBOL int evutil_v4addr_is_local_(const struct in_addr *in); /* This is a reserved, ipv4compat, ipv4map, loopback, * link-local, multicast, or unspecified address. */ EVENT2_EXPORT_SYMBOL int evutil_v6addr_is_local_(const struct in6_addr *in); #ifdef __cplusplus } #endif #endif lldpd-1.0.18/libevent/evdns.c0000644000076400001440000040272114111362570015237 0ustar00bernatusers/* Copyright 2006-2007 Niels Provos * Copyright 2007-2012 Nick Mathewson and Niels Provos * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* Based on software by Adam Langly. Adam's original message: * * Async DNS Library * Adam Langley * http://www.imperialviolet.org/eventdns.html * Public Domain code * * This software is Public Domain. To view a copy of the public domain dedication, * visit http://creativecommons.org/licenses/publicdomain/ or send a letter to * Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA. * * I ask and expect, but do not require, that all derivative works contain an * attribution similar to: * Parts developed by Adam Langley * * You may wish to replace the word "Parts" with something else depending on * the amount of original code. * * (Derivative works does not include programs which link against, run or include * the source verbatim in their source distributions) * * Version: 0.1b */ #include "event2/event-config.h" #include "evconfig-private.h" #include #ifndef _FORTIFY_SOURCE #define _FORTIFY_SOURCE 3 #endif #include #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #ifdef EVENT__HAVE_STDINT_H #include #endif #include #include #include #ifdef EVENT__HAVE_UNISTD_H #include #endif #include #include #include #include #ifdef _WIN32 #include #include #include #ifndef _WIN32_IE #define _WIN32_IE 0x400 #endif #include #endif #include "event2/dns.h" #include "event2/dns_struct.h" #include "event2/dns_compat.h" #include "event2/util.h" #include "event2/event.h" #include "event2/event_struct.h" #include "event2/thread.h" #include "defer-internal.h" #include "log-internal.h" #include "mm-internal.h" #include "strlcpy-internal.h" #include "ipv6-internal.h" #include "util-internal.h" #include "evthread-internal.h" #ifdef _WIN32 #include #include #include #include #include #else #include #include #include #endif #ifdef EVENT__HAVE_NETINET_IN6_H #include #endif #define EVDNS_LOG_DEBUG EVENT_LOG_DEBUG #define EVDNS_LOG_WARN EVENT_LOG_WARN #define EVDNS_LOG_MSG EVENT_LOG_MSG #ifndef HOST_NAME_MAX #define HOST_NAME_MAX 255 #endif #include #undef MIN #define MIN(a,b) ((a)<(b)?(a):(b)) #define ASSERT_VALID_REQUEST(req) \ EVUTIL_ASSERT((req)->handle && (req)->handle->current_req == (req)) #define u64 ev_uint64_t #define u32 ev_uint32_t #define u16 ev_uint16_t #define u8 ev_uint8_t /* maximum number of addresses from a single packet */ /* that we bother recording */ #define MAX_V4_ADDRS 32 #define MAX_V6_ADDRS 32 #define TYPE_A EVDNS_TYPE_A #define TYPE_CNAME 5 #define TYPE_PTR EVDNS_TYPE_PTR #define TYPE_SOA EVDNS_TYPE_SOA #define TYPE_AAAA EVDNS_TYPE_AAAA #define CLASS_INET EVDNS_CLASS_INET /* Persistent handle. We keep this separate from 'struct request' since we * need some object to last for as long as an evdns_request is outstanding so * that it can be canceled, whereas a search request can lead to multiple * 'struct request' instances being created over its lifetime. */ struct evdns_request { struct request *current_req; struct evdns_base *base; int pending_cb; /* Waiting for its callback to be invoked; not * owned by event base any more. */ /* elements used by the searching code */ int search_index; struct search_state *search_state; char *search_origname; /* needs to be free()ed */ int search_flags; }; struct request { u8 *request; /* the dns packet data */ u8 request_type; /* TYPE_PTR or TYPE_A or TYPE_AAAA */ unsigned int request_len; int reissue_count; int tx_count; /* the number of times that this packet has been sent */ void *user_pointer; /* the pointer given to us for this request */ evdns_callback_type user_callback; struct nameserver *ns; /* the server which we last sent it */ /* these objects are kept in a circular list */ /* XXX We could turn this into a CIRCLEQ. */ struct request *next, *prev; struct event timeout_event; u16 trans_id; /* the transaction id */ unsigned request_appended :1; /* true if the request pointer is data which follows this struct */ unsigned transmit_me :1; /* needs to be transmitted */ /* XXXX This is a horrible hack. */ char **put_cname_in_ptr; /* store the cname here if we get one. */ struct evdns_base *base; struct evdns_request *handle; }; struct reply { unsigned int type; unsigned int have_answer : 1; union { struct { u32 addrcount; u32 addresses[MAX_V4_ADDRS]; } a; struct { u32 addrcount; struct in6_addr addresses[MAX_V6_ADDRS]; } aaaa; struct { char name[HOST_NAME_MAX]; } ptr; } data; }; struct nameserver { evutil_socket_t socket; /* a connected UDP socket */ struct sockaddr_storage address; ev_socklen_t addrlen; int failed_times; /* number of times which we have given this server a chance */ int timedout; /* number of times in a row a request has timed out */ struct event event; /* these objects are kept in a circular list */ struct nameserver *next, *prev; struct event timeout_event; /* used to keep the timeout for */ /* when we next probe this server. */ /* Valid if state == 0 */ /* Outstanding probe request for this nameserver, if any */ struct evdns_request *probe_request; char state; /* zero if we think that this server is down */ char choked; /* true if we have an EAGAIN from this server's socket */ char write_waiting; /* true if we are waiting for EV_WRITE events */ struct evdns_base *base; /* Number of currently inflight requests: used * to track when we should add/del the event. */ int requests_inflight; }; /* Represents a local port where we're listening for DNS requests. Right now, */ /* only UDP is supported. */ struct evdns_server_port { evutil_socket_t socket; /* socket we use to read queries and write replies. */ int refcnt; /* reference count. */ char choked; /* Are we currently blocked from writing? */ char closing; /* Are we trying to close this port, pending writes? */ evdns_request_callback_fn_type user_callback; /* Fn to handle requests */ void *user_data; /* Opaque pointer passed to user_callback */ struct event event; /* Read/write event */ /* circular list of replies that we want to write. */ struct server_request *pending_replies; struct event_base *event_base; #ifndef EVENT__DISABLE_THREAD_SUPPORT void *lock; #endif }; /* Represents part of a reply being built. (That is, a single RR.) */ struct server_reply_item { struct server_reply_item *next; /* next item in sequence. */ char *name; /* name part of the RR */ u16 type; /* The RR type */ u16 class; /* The RR class (usually CLASS_INET) */ u32 ttl; /* The RR TTL */ char is_name; /* True iff data is a label */ u16 datalen; /* Length of data; -1 if data is a label */ void *data; /* The contents of the RR */ }; /* Represents a request that we've received as a DNS server, and holds */ /* the components of the reply as we're constructing it. */ struct server_request { /* Pointers to the next and previous entries on the list of replies */ /* that we're waiting to write. Only set if we have tried to respond */ /* and gotten EAGAIN. */ struct server_request *next_pending; struct server_request *prev_pending; u16 trans_id; /* Transaction id. */ struct evdns_server_port *port; /* Which port received this request on? */ struct sockaddr_storage addr; /* Where to send the response */ ev_socklen_t addrlen; /* length of addr */ int n_answer; /* how many answer RRs have been set? */ int n_authority; /* how many authority RRs have been set? */ int n_additional; /* how many additional RRs have been set? */ struct server_reply_item *answer; /* linked list of answer RRs */ struct server_reply_item *authority; /* linked list of authority RRs */ struct server_reply_item *additional; /* linked list of additional RRs */ /* Constructed response. Only set once we're ready to send a reply. */ /* Once this is set, the RR fields are cleared, and no more should be set. */ char *response; size_t response_len; /* Caller-visible fields: flags, questions. */ struct evdns_server_request base; }; struct evdns_base { /* An array of n_req_heads circular lists for inflight requests. * Each inflight request req is in req_heads[req->trans_id % n_req_heads]. */ struct request **req_heads; /* A circular list of requests that we're waiting to send, but haven't * sent yet because there are too many requests inflight */ struct request *req_waiting_head; /* A circular list of nameservers. */ struct nameserver *server_head; int n_req_heads; struct event_base *event_base; /* The number of good nameservers that we have */ int global_good_nameservers; /* inflight requests are contained in the req_head list */ /* and are actually going out across the network */ int global_requests_inflight; /* requests which aren't inflight are in the waiting list */ /* and are counted here */ int global_requests_waiting; int global_max_requests_inflight; struct timeval global_timeout; /* 5 seconds by default */ int global_max_reissues; /* a reissue occurs when we get some errors from the server */ int global_max_retransmits; /* number of times we'll retransmit a request which timed out */ /* number of timeouts in a row before we consider this server to be down */ int global_max_nameserver_timeout; /* true iff we will use the 0x20 hack to prevent poisoning attacks. */ int global_randomize_case; /* The first time that a nameserver fails, how long do we wait before * probing to see if it has returned? */ struct timeval global_nameserver_probe_initial_timeout; /** Port to bind to for outgoing DNS packets. */ struct sockaddr_storage global_outgoing_address; /** ev_socklen_t for global_outgoing_address. 0 if it isn't set. */ ev_socklen_t global_outgoing_addrlen; struct timeval global_getaddrinfo_allow_skew; int so_rcvbuf; int so_sndbuf; int getaddrinfo_ipv4_timeouts; int getaddrinfo_ipv6_timeouts; int getaddrinfo_ipv4_answered; int getaddrinfo_ipv6_answered; struct search_state *global_search_state; TAILQ_HEAD(hosts_list, hosts_entry) hostsdb; #ifndef EVENT__DISABLE_THREAD_SUPPORT void *lock; #endif int disable_when_inactive; }; struct hosts_entry { TAILQ_ENTRY(hosts_entry) next; union { struct sockaddr sa; struct sockaddr_in sin; struct sockaddr_in6 sin6; } addr; int addrlen; char hostname[1]; }; static struct evdns_base *current_base = NULL; struct evdns_base * evdns_get_global_base(void) { return current_base; } /* Given a pointer to an evdns_server_request, get the corresponding */ /* server_request. */ #define TO_SERVER_REQUEST(base_ptr) \ ((struct server_request*) \ (((char*)(base_ptr) - evutil_offsetof(struct server_request, base)))) #define REQ_HEAD(base, id) ((base)->req_heads[id % (base)->n_req_heads]) static struct nameserver *nameserver_pick(struct evdns_base *base); static void evdns_request_insert(struct request *req, struct request **head); static void evdns_request_remove(struct request *req, struct request **head); static void nameserver_ready_callback(evutil_socket_t fd, short events, void *arg); static int evdns_transmit(struct evdns_base *base); static int evdns_request_transmit(struct request *req); static void nameserver_send_probe(struct nameserver *const ns); static void search_request_finished(struct evdns_request *const); static int search_try_next(struct evdns_request *const req); static struct request *search_request_new(struct evdns_base *base, struct evdns_request *handle, int type, const char *const name, int flags, evdns_callback_type user_callback, void *user_arg); static void evdns_requests_pump_waiting_queue(struct evdns_base *base); static u16 transaction_id_pick(struct evdns_base *base); static struct request *request_new(struct evdns_base *base, struct evdns_request *handle, int type, const char *name, int flags, evdns_callback_type callback, void *ptr); static void request_submit(struct request *const req); static int server_request_free(struct server_request *req); static void server_request_free_answers(struct server_request *req); static void server_port_free(struct evdns_server_port *port); static void server_port_ready_callback(evutil_socket_t fd, short events, void *arg); static int evdns_base_resolv_conf_parse_impl(struct evdns_base *base, int flags, const char *const filename); static int evdns_base_set_option_impl(struct evdns_base *base, const char *option, const char *val, int flags); static void evdns_base_free_and_unlock(struct evdns_base *base, int fail_requests); static void evdns_request_timeout_callback(evutil_socket_t fd, short events, void *arg); static int strtoint(const char *const str); #ifdef EVENT__DISABLE_THREAD_SUPPORT #define EVDNS_LOCK(base) EVUTIL_NIL_STMT_ #define EVDNS_UNLOCK(base) EVUTIL_NIL_STMT_ #define ASSERT_LOCKED(base) EVUTIL_NIL_STMT_ #else #define EVDNS_LOCK(base) \ EVLOCK_LOCK((base)->lock, 0) #define EVDNS_UNLOCK(base) \ EVLOCK_UNLOCK((base)->lock, 0) #define ASSERT_LOCKED(base) \ EVLOCK_ASSERT_LOCKED((base)->lock) #endif static evdns_debug_log_fn_type evdns_log_fn = NULL; void evdns_set_log_fn(evdns_debug_log_fn_type fn) { evdns_log_fn = fn; } #ifdef __GNUC__ #define EVDNS_LOG_CHECK __attribute__ ((format(printf, 2, 3))) #else #define EVDNS_LOG_CHECK #endif static void evdns_log_(int severity, const char *fmt, ...) EVDNS_LOG_CHECK; static void evdns_log_(int severity, const char *fmt, ...) { va_list args; va_start(args,fmt); if (evdns_log_fn) { char buf[512]; int is_warn = (severity == EVDNS_LOG_WARN); evutil_vsnprintf(buf, sizeof(buf), fmt, args); evdns_log_fn(is_warn, buf); } else { event_logv_(severity, NULL, fmt, args); } va_end(args); } #define log evdns_log_ /* This walks the list of inflight requests to find the */ /* one with a matching transaction id. Returns NULL on */ /* failure */ static struct request * request_find_from_trans_id(struct evdns_base *base, u16 trans_id) { struct request *req = REQ_HEAD(base, trans_id); struct request *const started_at = req; ASSERT_LOCKED(base); if (req) { do { if (req->trans_id == trans_id) return req; req = req->next; } while (req != started_at); } return NULL; } /* a libevent callback function which is called when a nameserver */ /* has gone down and we want to test if it has came back to life yet */ static void nameserver_prod_callback(evutil_socket_t fd, short events, void *arg) { struct nameserver *const ns = (struct nameserver *) arg; (void)fd; (void)events; EVDNS_LOCK(ns->base); nameserver_send_probe(ns); EVDNS_UNLOCK(ns->base); } /* a libevent callback which is called when a nameserver probe (to see if */ /* it has come back to life) times out. We increment the count of failed_times */ /* and wait longer to send the next probe packet. */ static void nameserver_probe_failed(struct nameserver *const ns) { struct timeval timeout; int i; ASSERT_LOCKED(ns->base); (void) evtimer_del(&ns->timeout_event); if (ns->state == 1) { /* This can happen if the nameserver acts in a way which makes us mark */ /* it as bad and then starts sending good replies. */ return; } #define MAX_PROBE_TIMEOUT 3600 #define TIMEOUT_BACKOFF_FACTOR 3 memcpy(&timeout, &ns->base->global_nameserver_probe_initial_timeout, sizeof(struct timeval)); for (i=ns->failed_times; i > 0 && timeout.tv_sec < MAX_PROBE_TIMEOUT; --i) { timeout.tv_sec *= TIMEOUT_BACKOFF_FACTOR; timeout.tv_usec *= TIMEOUT_BACKOFF_FACTOR; if (timeout.tv_usec > 1000000) { timeout.tv_sec += timeout.tv_usec / 1000000; timeout.tv_usec %= 1000000; } } if (timeout.tv_sec > MAX_PROBE_TIMEOUT) { timeout.tv_sec = MAX_PROBE_TIMEOUT; timeout.tv_usec = 0; } ns->failed_times++; if (evtimer_add(&ns->timeout_event, &timeout) < 0) { char addrbuf[128]; log(EVDNS_LOG_WARN, "Error from libevent when adding timer event for %s", evutil_format_sockaddr_port_( (struct sockaddr *)&ns->address, addrbuf, sizeof(addrbuf))); } } static void request_swap_ns(struct request *req, struct nameserver *ns) { if (ns && req->ns != ns) { EVUTIL_ASSERT(req->ns->requests_inflight > 0); req->ns->requests_inflight--; ns->requests_inflight++; req->ns = ns; } } /* called when a nameserver has been deemed to have failed. For example, too */ /* many packets have timed out etc */ static void nameserver_failed(struct nameserver *const ns, const char *msg) { struct request *req, *started_at; struct evdns_base *base = ns->base; int i; char addrbuf[128]; ASSERT_LOCKED(base); /* if this nameserver has already been marked as failed */ /* then don't do anything */ if (!ns->state) return; log(EVDNS_LOG_MSG, "Nameserver %s has failed: %s", evutil_format_sockaddr_port_( (struct sockaddr *)&ns->address, addrbuf, sizeof(addrbuf)), msg); base->global_good_nameservers--; EVUTIL_ASSERT(base->global_good_nameservers >= 0); if (base->global_good_nameservers == 0) { log(EVDNS_LOG_MSG, "All nameservers have failed"); } ns->state = 0; ns->failed_times = 1; if (evtimer_add(&ns->timeout_event, &base->global_nameserver_probe_initial_timeout) < 0) { log(EVDNS_LOG_WARN, "Error from libevent when adding timer event for %s", evutil_format_sockaddr_port_( (struct sockaddr *)&ns->address, addrbuf, sizeof(addrbuf))); /* ???? Do more? */ } /* walk the list of inflight requests to see if any can be reassigned to */ /* a different server. Requests in the waiting queue don't have a */ /* nameserver assigned yet */ /* if we don't have *any* good nameservers then there's no point */ /* trying to reassign requests to one */ if (!base->global_good_nameservers) return; for (i = 0; i < base->n_req_heads; ++i) { req = started_at = base->req_heads[i]; if (req) { do { if (req->tx_count == 0 && req->ns == ns) { /* still waiting to go out, can be moved */ /* to another server */ request_swap_ns(req, nameserver_pick(base)); } req = req->next; } while (req != started_at); } } } static void nameserver_up(struct nameserver *const ns) { char addrbuf[128]; ASSERT_LOCKED(ns->base); if (ns->state) return; log(EVDNS_LOG_MSG, "Nameserver %s is back up", evutil_format_sockaddr_port_( (struct sockaddr *)&ns->address, addrbuf, sizeof(addrbuf))); evtimer_del(&ns->timeout_event); if (ns->probe_request) { evdns_cancel_request(ns->base, ns->probe_request); ns->probe_request = NULL; } ns->state = 1; ns->failed_times = 0; ns->timedout = 0; ns->base->global_good_nameservers++; } static void request_trans_id_set(struct request *const req, const u16 trans_id) { req->trans_id = trans_id; *((u16 *) req->request) = htons(trans_id); } /* Called to remove a request from a list and dealloc it. */ /* head is a pointer to the head of the list it should be */ /* removed from or NULL if the request isn't in a list. */ /* when free_handle is one, free the handle as well. */ static void request_finished(struct request *const req, struct request **head, int free_handle) { struct evdns_base *base = req->base; int was_inflight = (head != &base->req_waiting_head); EVDNS_LOCK(base); ASSERT_VALID_REQUEST(req); if (head) evdns_request_remove(req, head); log(EVDNS_LOG_DEBUG, "Removing timeout for request %p", req); if (was_inflight) { evtimer_del(&req->timeout_event); base->global_requests_inflight--; req->ns->requests_inflight--; } else { base->global_requests_waiting--; } /* it was initialized during request_new / evtimer_assign */ event_debug_unassign(&req->timeout_event); if (req->ns && req->ns->requests_inflight == 0 && req->base->disable_when_inactive) { event_del(&req->ns->event); evtimer_del(&req->ns->timeout_event); } if (!req->request_appended) { /* need to free the request data on it's own */ mm_free(req->request); } else { /* the request data is appended onto the header */ /* so everything gets free()ed when we: */ } if (req->handle) { EVUTIL_ASSERT(req->handle->current_req == req); if (free_handle) { search_request_finished(req->handle); req->handle->current_req = NULL; if (! req->handle->pending_cb) { /* If we're planning to run the callback, * don't free the handle until later. */ mm_free(req->handle); } req->handle = NULL; /* If we have a bug, let's crash * early */ } else { req->handle->current_req = NULL; } } mm_free(req); evdns_requests_pump_waiting_queue(base); EVDNS_UNLOCK(base); } /* This is called when a server returns a funny error code. */ /* We try the request again with another server. */ /* */ /* return: */ /* 0 ok */ /* 1 failed/reissue is pointless */ static int request_reissue(struct request *req) { const struct nameserver *const last_ns = req->ns; ASSERT_LOCKED(req->base); ASSERT_VALID_REQUEST(req); /* the last nameserver should have been marked as failing */ /* by the caller of this function, therefore pick will try */ /* not to return it */ request_swap_ns(req, nameserver_pick(req->base)); if (req->ns == last_ns) { /* ... but pick did return it */ /* not a lot of point in trying again with the */ /* same server */ return 1; } req->reissue_count++; req->tx_count = 0; req->transmit_me = 1; return 0; } /* this function looks for space on the inflight queue and promotes */ /* requests from the waiting queue if it can. */ /* */ /* TODO: */ /* add return code, see at nameserver_pick() and other functions. */ static void evdns_requests_pump_waiting_queue(struct evdns_base *base) { ASSERT_LOCKED(base); while (base->global_requests_inflight < base->global_max_requests_inflight && base->global_requests_waiting) { struct request *req; EVUTIL_ASSERT(base->req_waiting_head); req = base->req_waiting_head; req->ns = nameserver_pick(base); if (!req->ns) return; /* move a request from the waiting queue to the inflight queue */ req->ns->requests_inflight++; evdns_request_remove(req, &base->req_waiting_head); base->global_requests_waiting--; base->global_requests_inflight++; request_trans_id_set(req, transaction_id_pick(base)); evdns_request_insert(req, &REQ_HEAD(base, req->trans_id)); evdns_request_transmit(req); evdns_transmit(base); } } /* TODO(nickm) document */ struct deferred_reply_callback { struct event_callback deferred; struct evdns_request *handle; u8 request_type; u8 have_reply; u32 ttl; u32 err; evdns_callback_type user_callback; struct reply reply; }; static void reply_run_callback(struct event_callback *d, void *user_pointer) { struct deferred_reply_callback *cb = EVUTIL_UPCAST(d, struct deferred_reply_callback, deferred); switch (cb->request_type) { case TYPE_A: if (cb->have_reply) cb->user_callback(DNS_ERR_NONE, DNS_IPv4_A, cb->reply.data.a.addrcount, cb->ttl, cb->reply.data.a.addresses, user_pointer); else cb->user_callback(cb->err, 0, 0, cb->ttl, NULL, user_pointer); break; case TYPE_PTR: if (cb->have_reply) { char *name = cb->reply.data.ptr.name; cb->user_callback(DNS_ERR_NONE, DNS_PTR, 1, cb->ttl, &name, user_pointer); } else { cb->user_callback(cb->err, 0, 0, cb->ttl, NULL, user_pointer); } break; case TYPE_AAAA: if (cb->have_reply) cb->user_callback(DNS_ERR_NONE, DNS_IPv6_AAAA, cb->reply.data.aaaa.addrcount, cb->ttl, cb->reply.data.aaaa.addresses, user_pointer); else cb->user_callback(cb->err, 0, 0, cb->ttl, NULL, user_pointer); break; default: EVUTIL_ASSERT(0); } if (cb->handle && cb->handle->pending_cb) { mm_free(cb->handle); } mm_free(cb); } static void reply_schedule_callback(struct request *const req, u32 ttl, u32 err, struct reply *reply) { struct deferred_reply_callback *d = mm_calloc(1, sizeof(*d)); if (!d) { event_warn("%s: Couldn't allocate space for deferred callback.", __func__); return; } ASSERT_LOCKED(req->base); d->request_type = req->request_type; d->user_callback = req->user_callback; d->ttl = ttl; d->err = err; if (reply) { d->have_reply = 1; memcpy(&d->reply, reply, sizeof(struct reply)); } if (req->handle) { req->handle->pending_cb = 1; d->handle = req->handle; } event_deferred_cb_init_( &d->deferred, event_get_priority(&req->timeout_event), reply_run_callback, req->user_pointer); event_deferred_cb_schedule_( req->base->event_base, &d->deferred); } #define _QR_MASK 0x8000U #define _OP_MASK 0x7800U #define _AA_MASK 0x0400U #define _TC_MASK 0x0200U #define _RD_MASK 0x0100U #define _RA_MASK 0x0080U #define _Z_MASK 0x0040U #define _AD_MASK 0x0020U #define _CD_MASK 0x0010U #define _RCODE_MASK 0x000fU #define _Z_MASK_DEPRECATED 0x0070U /* this processes a parsed reply packet */ static void reply_handle(struct request *const req, u16 flags, u32 ttl, struct reply *reply) { int error; char addrbuf[128]; static const int error_codes[] = { DNS_ERR_FORMAT, DNS_ERR_SERVERFAILED, DNS_ERR_NOTEXIST, DNS_ERR_NOTIMPL, DNS_ERR_REFUSED }; ASSERT_LOCKED(req->base); ASSERT_VALID_REQUEST(req); if (flags & (_RCODE_MASK | _TC_MASK) || !reply || !reply->have_answer) { /* there was an error */ if (flags & _TC_MASK) { error = DNS_ERR_TRUNCATED; } else if (flags & _RCODE_MASK) { u16 error_code = (flags & _RCODE_MASK) - 1; if (error_code > 4) { error = DNS_ERR_UNKNOWN; } else { error = error_codes[error_code]; } } else if (reply && !reply->have_answer) { error = DNS_ERR_NODATA; } else { error = DNS_ERR_UNKNOWN; } switch (error) { case DNS_ERR_NOTIMPL: case DNS_ERR_REFUSED: /* we regard these errors as marking a bad nameserver */ if (req->reissue_count < req->base->global_max_reissues) { char msg[64]; evutil_snprintf(msg, sizeof(msg), "Bad response %d (%s)", error, evdns_err_to_string(error)); nameserver_failed(req->ns, msg); if (!request_reissue(req)) return; } break; case DNS_ERR_SERVERFAILED: /* rcode 2 (servfailed) sometimes means "we * are broken" and sometimes (with some binds) * means "that request was very confusing." * Treat this as a timeout, not a failure. */ log(EVDNS_LOG_DEBUG, "Got a SERVERFAILED from nameserver" "at %s; will allow the request to time out.", evutil_format_sockaddr_port_( (struct sockaddr *)&req->ns->address, addrbuf, sizeof(addrbuf))); /* Call the timeout function */ evdns_request_timeout_callback(0, 0, req); return; default: /* we got a good reply from the nameserver: it is up. */ if (req->handle == req->ns->probe_request) { /* Avoid double-free */ req->ns->probe_request = NULL; } nameserver_up(req->ns); } if (req->handle->search_state && req->request_type != TYPE_PTR) { /* if we have a list of domains to search in, * try the next one */ if (!search_try_next(req->handle)) { /* a new request was issued so this * request is finished and */ /* the user callback will be made when * that request (or a */ /* child of it) finishes. */ return; } } /* all else failed. Pass the failure up */ reply_schedule_callback(req, ttl, error, NULL); request_finished(req, &REQ_HEAD(req->base, req->trans_id), 1); } else { /* all ok, tell the user */ reply_schedule_callback(req, ttl, 0, reply); if (req->handle == req->ns->probe_request) req->ns->probe_request = NULL; /* Avoid double-free */ nameserver_up(req->ns); request_finished(req, &REQ_HEAD(req->base, req->trans_id), 1); } } static int name_parse(u8 *packet, int length, int *idx, char *name_out, int name_out_len) { int name_end = -1; int j = *idx; int ptr_count = 0; #define GET32(x) do { if (j + 4 > length) goto err; memcpy(&t32_, packet + j, 4); j += 4; x = ntohl(t32_); } while (0) #define GET16(x) do { if (j + 2 > length) goto err; memcpy(&t_, packet + j, 2); j += 2; x = ntohs(t_); } while (0) #define GET8(x) do { if (j >= length) goto err; x = packet[j++]; } while (0) char *cp = name_out; const char *const end = name_out + name_out_len; /* Normally, names are a series of length prefixed strings terminated */ /* with a length of 0 (the lengths are u8's < 63). */ /* However, the length can start with a pair of 1 bits and that */ /* means that the next 14 bits are a pointer within the current */ /* packet. */ for (;;) { u8 label_len; GET8(label_len); if (!label_len) break; if (label_len & 0xc0) { u8 ptr_low; GET8(ptr_low); if (name_end < 0) name_end = j; j = (((int)label_len & 0x3f) << 8) + ptr_low; /* Make sure that the target offset is in-bounds. */ if (j < 0 || j >= length) return -1; /* If we've jumped more times than there are characters in the * message, we must have a loop. */ if (++ptr_count > length) return -1; continue; } if (label_len > 63) return -1; if (cp != name_out) { if (cp + 1 >= end) return -1; *cp++ = '.'; } if (cp + label_len >= end) return -1; if (j + label_len > length) return -1; memcpy(cp, packet + j, label_len); cp += label_len; j += label_len; } if (cp >= end) return -1; *cp = '\0'; if (name_end < 0) *idx = j; else *idx = name_end; return 0; err: return -1; } /* parses a raw request from a nameserver */ static int reply_parse(struct evdns_base *base, u8 *packet, int length) { int j = 0, k = 0; /* index into packet */ u16 t_; /* used by the macros */ u32 t32_; /* used by the macros */ char tmp_name[256], cmp_name[256]; /* used by the macros */ int name_matches = 0; u16 trans_id, questions, answers, authority, additional, datalength; u16 flags = 0; u32 ttl, ttl_r = 0xffffffff; struct reply reply; struct request *req = NULL; unsigned int i; ASSERT_LOCKED(base); GET16(trans_id); GET16(flags); GET16(questions); GET16(answers); GET16(authority); GET16(additional); (void) authority; /* suppress "unused variable" warnings. */ (void) additional; /* suppress "unused variable" warnings. */ req = request_find_from_trans_id(base, trans_id); if (!req) return -1; EVUTIL_ASSERT(req->base == base); memset(&reply, 0, sizeof(reply)); /* If it's not an answer, it doesn't correspond to any request. */ if (!(flags & _QR_MASK)) return -1; /* must be an answer */ if ((flags & (_RCODE_MASK|_TC_MASK)) && (flags & (_RCODE_MASK|_TC_MASK)) != DNS_ERR_NOTEXIST) { /* there was an error and it's not NXDOMAIN */ goto err; } /* if (!answers) return; */ /* must have an answer of some form */ /* This macro skips a name in the DNS reply. */ #define SKIP_NAME \ do { tmp_name[0] = '\0'; \ if (name_parse(packet, length, &j, tmp_name, \ sizeof(tmp_name))<0) \ goto err; \ } while (0) reply.type = req->request_type; /* skip over each question in the reply */ for (i = 0; i < questions; ++i) { /* the question looks like * */ tmp_name[0] = '\0'; cmp_name[0] = '\0'; k = j; if (name_parse(packet, length, &j, tmp_name, sizeof(tmp_name)) < 0) goto err; if (name_parse(req->request, req->request_len, &k, cmp_name, sizeof(cmp_name))<0) goto err; if (!base->global_randomize_case) { if (strcmp(tmp_name, cmp_name) == 0) name_matches = 1; } else { if (evutil_ascii_strcasecmp(tmp_name, cmp_name) == 0) name_matches = 1; } j += 4; if (j > length) goto err; } if (!name_matches) goto err; /* now we have the answer section which looks like * */ for (i = 0; i < answers; ++i) { u16 type, class; SKIP_NAME; GET16(type); GET16(class); GET32(ttl); GET16(datalength); if (type == TYPE_A && class == CLASS_INET) { int addrcount, addrtocopy; if (req->request_type != TYPE_A) { j += datalength; continue; } if ((datalength & 3) != 0) /* not an even number of As. */ goto err; addrcount = datalength >> 2; addrtocopy = MIN(MAX_V4_ADDRS - reply.data.a.addrcount, (unsigned)addrcount); ttl_r = MIN(ttl_r, ttl); /* we only bother with the first four addresses. */ if (j + 4*addrtocopy > length) goto err; memcpy(&reply.data.a.addresses[reply.data.a.addrcount], packet + j, 4*addrtocopy); j += 4*addrtocopy; reply.data.a.addrcount += addrtocopy; reply.have_answer = 1; if (reply.data.a.addrcount == MAX_V4_ADDRS) break; } else if (type == TYPE_PTR && class == CLASS_INET) { if (req->request_type != TYPE_PTR) { j += datalength; continue; } if (name_parse(packet, length, &j, reply.data.ptr.name, sizeof(reply.data.ptr.name))<0) goto err; ttl_r = MIN(ttl_r, ttl); reply.have_answer = 1; break; } else if (type == TYPE_CNAME) { char cname[HOST_NAME_MAX]; if (!req->put_cname_in_ptr || *req->put_cname_in_ptr) { j += datalength; continue; } if (name_parse(packet, length, &j, cname, sizeof(cname))<0) goto err; *req->put_cname_in_ptr = mm_strdup(cname); } else if (type == TYPE_AAAA && class == CLASS_INET) { int addrcount, addrtocopy; if (req->request_type != TYPE_AAAA) { j += datalength; continue; } if ((datalength & 15) != 0) /* not an even number of AAAAs. */ goto err; addrcount = datalength >> 4; /* each address is 16 bytes long */ addrtocopy = MIN(MAX_V6_ADDRS - reply.data.aaaa.addrcount, (unsigned)addrcount); ttl_r = MIN(ttl_r, ttl); /* we only bother with the first four addresses. */ if (j + 16*addrtocopy > length) goto err; memcpy(&reply.data.aaaa.addresses[reply.data.aaaa.addrcount], packet + j, 16*addrtocopy); reply.data.aaaa.addrcount += addrtocopy; j += 16*addrtocopy; reply.have_answer = 1; if (reply.data.aaaa.addrcount == MAX_V6_ADDRS) break; } else { /* skip over any other type of resource */ j += datalength; } } if (!reply.have_answer) { for (i = 0; i < authority; ++i) { u16 type, class; SKIP_NAME; GET16(type); GET16(class); GET32(ttl); GET16(datalength); if (type == TYPE_SOA && class == CLASS_INET) { u32 serial, refresh, retry, expire, minimum; SKIP_NAME; SKIP_NAME; GET32(serial); GET32(refresh); GET32(retry); GET32(expire); GET32(minimum); (void)expire; (void)retry; (void)refresh; (void)serial; ttl_r = MIN(ttl_r, ttl); ttl_r = MIN(ttl_r, minimum); } else { /* skip over any other type of resource */ j += datalength; } } } if (ttl_r == 0xffffffff) ttl_r = 0; reply_handle(req, flags, ttl_r, &reply); return 0; err: if (req) reply_handle(req, flags, 0, NULL); return -1; } /* Parse a raw request (packet,length) sent to a nameserver port (port) from */ /* a DNS client (addr,addrlen), and if it's well-formed, call the corresponding */ /* callback. */ static int request_parse(u8 *packet, int length, struct evdns_server_port *port, struct sockaddr *addr, ev_socklen_t addrlen) { int j = 0; /* index into packet */ u16 t_; /* used by the macros */ char tmp_name[256]; /* used by the macros */ int i; u16 trans_id, flags, questions, answers, authority, additional; struct server_request *server_req = NULL; ASSERT_LOCKED(port); /* Get the header fields */ GET16(trans_id); GET16(flags); GET16(questions); GET16(answers); GET16(authority); GET16(additional); (void)answers; (void)additional; (void)authority; if (flags & _QR_MASK) return -1; /* Must not be an answer. */ flags &= (_RD_MASK|_CD_MASK); /* Only RD and CD get preserved. */ server_req = mm_malloc(sizeof(struct server_request)); if (server_req == NULL) return -1; memset(server_req, 0, sizeof(struct server_request)); server_req->trans_id = trans_id; memcpy(&server_req->addr, addr, addrlen); server_req->addrlen = addrlen; server_req->base.flags = flags; server_req->base.nquestions = 0; server_req->base.questions = mm_calloc(sizeof(struct evdns_server_question *), questions); if (server_req->base.questions == NULL) goto err; for (i = 0; i < questions; ++i) { u16 type, class; struct evdns_server_question *q; int namelen; if (name_parse(packet, length, &j, tmp_name, sizeof(tmp_name))<0) goto err; GET16(type); GET16(class); namelen = (int)strlen(tmp_name); q = mm_malloc(sizeof(struct evdns_server_question) + namelen); if (!q) goto err; q->type = type; q->dns_question_class = class; memcpy(q->name, tmp_name, namelen+1); server_req->base.questions[server_req->base.nquestions++] = q; } /* Ignore answers, authority, and additional. */ server_req->port = port; port->refcnt++; /* Only standard queries are supported. */ if (flags & _OP_MASK) { evdns_server_request_respond(&(server_req->base), DNS_ERR_NOTIMPL); return -1; } port->user_callback(&(server_req->base), port->user_data); return 0; err: if (server_req->base.questions) { for (i = 0; i < server_req->base.nquestions; ++i) mm_free(server_req->base.questions[i]); mm_free(server_req->base.questions); } mm_free(server_req); return -1; #undef SKIP_NAME #undef GET32 #undef GET16 #undef GET8 } void evdns_set_transaction_id_fn(ev_uint16_t (*fn)(void)) { } void evdns_set_random_bytes_fn(void (*fn)(char *, size_t)) { } /* Try to choose a strong transaction id which isn't already in flight */ static u16 transaction_id_pick(struct evdns_base *base) { ASSERT_LOCKED(base); for (;;) { u16 trans_id; evutil_secure_rng_get_bytes(&trans_id, sizeof(trans_id)); if (trans_id == 0xffff) continue; /* now check to see if that id is already inflight */ if (request_find_from_trans_id(base, trans_id) == NULL) return trans_id; } } /* choose a namesever to use. This function will try to ignore */ /* nameservers which we think are down and load balance across the rest */ /* by updating the server_head global each time. */ static struct nameserver * nameserver_pick(struct evdns_base *base) { struct nameserver *started_at = base->server_head, *picked; ASSERT_LOCKED(base); if (!base->server_head) return NULL; /* if we don't have any good nameservers then there's no */ /* point in trying to find one. */ if (!base->global_good_nameservers) { base->server_head = base->server_head->next; return base->server_head; } /* remember that nameservers are in a circular list */ for (;;) { if (base->server_head->state) { /* we think this server is currently good */ picked = base->server_head; base->server_head = base->server_head->next; return picked; } base->server_head = base->server_head->next; if (base->server_head == started_at) { /* all the nameservers seem to be down */ /* so we just return this one and hope for the */ /* best */ EVUTIL_ASSERT(base->global_good_nameservers == 0); picked = base->server_head; base->server_head = base->server_head->next; return picked; } } } /* this is called when a namesever socket is ready for reading */ static void nameserver_read(struct nameserver *ns) { struct sockaddr_storage ss; ev_socklen_t addrlen = sizeof(ss); u8 packet[1500]; char addrbuf[128]; ASSERT_LOCKED(ns->base); for (;;) { const int r = recvfrom(ns->socket, (void*)packet, sizeof(packet), 0, (struct sockaddr*)&ss, &addrlen); if (r < 0) { int err = evutil_socket_geterror(ns->socket); if (EVUTIL_ERR_RW_RETRIABLE(err)) return; nameserver_failed(ns, evutil_socket_error_to_string(err)); return; } if (evutil_sockaddr_cmp((struct sockaddr*)&ss, (struct sockaddr*)&ns->address, 0)) { log(EVDNS_LOG_WARN, "Address mismatch on received " "DNS packet. Apparent source was %s", evutil_format_sockaddr_port_( (struct sockaddr *)&ss, addrbuf, sizeof(addrbuf))); return; } ns->timedout = 0; reply_parse(ns->base, packet, r); } } /* Read a packet from a DNS client on a server port s, parse it, and */ /* act accordingly. */ static void server_port_read(struct evdns_server_port *s) { u8 packet[1500]; struct sockaddr_storage addr; ev_socklen_t addrlen; int r; ASSERT_LOCKED(s); for (;;) { addrlen = sizeof(struct sockaddr_storage); r = recvfrom(s->socket, (void*)packet, sizeof(packet), 0, (struct sockaddr*) &addr, &addrlen); if (r < 0) { int err = evutil_socket_geterror(s->socket); if (EVUTIL_ERR_RW_RETRIABLE(err)) return; log(EVDNS_LOG_WARN, "Error %s (%d) while reading request.", evutil_socket_error_to_string(err), err); return; } request_parse(packet, r, s, (struct sockaddr*) &addr, addrlen); } } /* Try to write all pending replies on a given DNS server port. */ static void server_port_flush(struct evdns_server_port *port) { struct server_request *req = port->pending_replies; ASSERT_LOCKED(port); while (req) { int r = sendto(port->socket, req->response, (int)req->response_len, 0, (struct sockaddr*) &req->addr, (ev_socklen_t)req->addrlen); if (r < 0) { int err = evutil_socket_geterror(port->socket); if (EVUTIL_ERR_RW_RETRIABLE(err)) return; log(EVDNS_LOG_WARN, "Error %s (%d) while writing response to port; dropping", evutil_socket_error_to_string(err), err); } if (server_request_free(req)) { /* we released the last reference to req->port. */ return; } else { EVUTIL_ASSERT(req != port->pending_replies); req = port->pending_replies; } } /* We have no more pending requests; stop listening for 'writeable' events. */ (void) event_del(&port->event); event_assign(&port->event, port->event_base, port->socket, EV_READ | EV_PERSIST, server_port_ready_callback, port); if (event_add(&port->event, NULL) < 0) { log(EVDNS_LOG_WARN, "Error from libevent when adding event for DNS server."); /* ???? Do more? */ } } /* set if we are waiting for the ability to write to this server. */ /* if waiting is true then we ask libevent for EV_WRITE events, otherwise */ /* we stop these events. */ static void nameserver_write_waiting(struct nameserver *ns, char waiting) { ASSERT_LOCKED(ns->base); if (ns->write_waiting == waiting) return; ns->write_waiting = waiting; (void) event_del(&ns->event); event_assign(&ns->event, ns->base->event_base, ns->socket, EV_READ | (waiting ? EV_WRITE : 0) | EV_PERSIST, nameserver_ready_callback, ns); if (event_add(&ns->event, NULL) < 0) { char addrbuf[128]; log(EVDNS_LOG_WARN, "Error from libevent when adding event for %s", evutil_format_sockaddr_port_( (struct sockaddr *)&ns->address, addrbuf, sizeof(addrbuf))); /* ???? Do more? */ } } /* a callback function. Called by libevent when the kernel says that */ /* a nameserver socket is ready for writing or reading */ static void nameserver_ready_callback(evutil_socket_t fd, short events, void *arg) { struct nameserver *ns = (struct nameserver *) arg; (void)fd; EVDNS_LOCK(ns->base); if (events & EV_WRITE) { ns->choked = 0; if (!evdns_transmit(ns->base)) { nameserver_write_waiting(ns, 0); } } if (events & EV_READ) { nameserver_read(ns); } EVDNS_UNLOCK(ns->base); } /* a callback function. Called by libevent when the kernel says that */ /* a server socket is ready for writing or reading. */ static void server_port_ready_callback(evutil_socket_t fd, short events, void *arg) { struct evdns_server_port *port = (struct evdns_server_port *) arg; (void) fd; EVDNS_LOCK(port); if (events & EV_WRITE) { port->choked = 0; server_port_flush(port); } if (events & EV_READ) { server_port_read(port); } EVDNS_UNLOCK(port); } /* This is an inefficient representation; only use it via the dnslabel_table_* * functions, so that is can be safely replaced with something smarter later. */ #define MAX_LABELS 128 /* Structures used to implement name compression */ struct dnslabel_entry { char *v; off_t pos; }; struct dnslabel_table { int n_labels; /* number of current entries */ /* map from name to position in message */ struct dnslabel_entry labels[MAX_LABELS]; }; /* Initialize dnslabel_table. */ static void dnslabel_table_init(struct dnslabel_table *table) { table->n_labels = 0; } /* Free all storage held by table, but not the table itself. */ static void dnslabel_clear(struct dnslabel_table *table) { int i; for (i = 0; i < table->n_labels; ++i) mm_free(table->labels[i].v); table->n_labels = 0; } /* return the position of the label in the current message, or -1 if the label */ /* hasn't been used yet. */ static int dnslabel_table_get_pos(const struct dnslabel_table *table, const char *label) { int i; for (i = 0; i < table->n_labels; ++i) { if (!strcmp(label, table->labels[i].v)) return table->labels[i].pos; } return -1; } /* remember that we've used the label at position pos */ static int dnslabel_table_add(struct dnslabel_table *table, const char *label, off_t pos) { char *v; int p; if (table->n_labels == MAX_LABELS) return (-1); v = mm_strdup(label); if (v == NULL) return (-1); p = table->n_labels++; table->labels[p].v = v; table->labels[p].pos = pos; return (0); } /* Converts a string to a length-prefixed set of DNS labels, starting */ /* at buf[j]. name and buf must not overlap. name_len should be the length */ /* of name. table is optional, and is used for compression. */ /* */ /* Input: abc.def */ /* Output: <3>abc<3>def<0> */ /* */ /* Returns the first index after the encoded name, or negative on error. */ /* -1 label was > 63 bytes */ /* -2 name too long to fit in buffer. */ /* */ static off_t dnsname_to_labels(u8 *const buf, size_t buf_len, off_t j, const char *name, const size_t name_len, struct dnslabel_table *table) { const char *end = name + name_len; int ref = 0; u16 t_; #define APPEND16(x) do { \ if (j + 2 > (off_t)buf_len) \ goto overflow; \ t_ = htons(x); \ memcpy(buf + j, &t_, 2); \ j += 2; \ } while (0) #define APPEND32(x) do { \ if (j + 4 > (off_t)buf_len) \ goto overflow; \ t32_ = htonl(x); \ memcpy(buf + j, &t32_, 4); \ j += 4; \ } while (0) if (name_len > 255) return -2; for (;;) { const char *const start = name; if (table && (ref = dnslabel_table_get_pos(table, name)) >= 0) { APPEND16(ref | 0xc000); return j; } name = strchr(name, '.'); if (!name) { const size_t label_len = end - start; if (label_len > 63) return -1; if ((size_t)(j+label_len+1) > buf_len) return -2; if (table) dnslabel_table_add(table, start, j); buf[j++] = (ev_uint8_t)label_len; memcpy(buf + j, start, label_len); j += (int) label_len; break; } else { /* append length of the label. */ const size_t label_len = name - start; if (label_len > 63) return -1; if ((size_t)(j+label_len+1) > buf_len) return -2; if (table) dnslabel_table_add(table, start, j); buf[j++] = (ev_uint8_t)label_len; memcpy(buf + j, start, label_len); j += (int) label_len; /* hop over the '.' */ name++; } } /* the labels must be terminated by a 0. */ /* It's possible that the name ended in a . */ /* in which case the zero is already there */ if (!j || buf[j-1]) buf[j++] = 0; return j; overflow: return (-2); } /* Finds the length of a dns request for a DNS name of the given */ /* length. The actual request may be smaller than the value returned */ /* here */ static size_t evdns_request_len(const size_t name_len) { return 96 + /* length of the DNS standard header */ name_len + 2 + 4; /* space for the resource type */ } /* build a dns request packet into buf. buf should be at least as long */ /* as evdns_request_len told you it should be. */ /* */ /* Returns the amount of space used. Negative on error. */ static int evdns_request_data_build(const char *const name, const size_t name_len, const u16 trans_id, const u16 type, const u16 class, u8 *const buf, size_t buf_len) { off_t j = 0; /* current offset into buf */ u16 t_; /* used by the macros */ APPEND16(trans_id); APPEND16(0x0100); /* standard query, recusion needed */ APPEND16(1); /* one question */ APPEND16(0); /* no answers */ APPEND16(0); /* no authority */ APPEND16(0); /* no additional */ j = dnsname_to_labels(buf, buf_len, j, name, name_len, NULL); if (j < 0) { return (int)j; } APPEND16(type); APPEND16(class); return (int)j; overflow: return (-1); } /* exported function */ struct evdns_server_port * evdns_add_server_port_with_base(struct event_base *base, evutil_socket_t socket, int flags, evdns_request_callback_fn_type cb, void *user_data) { struct evdns_server_port *port; if (flags) return NULL; /* flags not yet implemented */ if (!(port = mm_malloc(sizeof(struct evdns_server_port)))) return NULL; memset(port, 0, sizeof(struct evdns_server_port)); port->socket = socket; port->refcnt = 1; port->choked = 0; port->closing = 0; port->user_callback = cb; port->user_data = user_data; port->pending_replies = NULL; port->event_base = base; event_assign(&port->event, port->event_base, port->socket, EV_READ | EV_PERSIST, server_port_ready_callback, port); if (event_add(&port->event, NULL) < 0) { mm_free(port); return NULL; } EVTHREAD_ALLOC_LOCK(port->lock, EVTHREAD_LOCKTYPE_RECURSIVE); return port; } struct evdns_server_port * evdns_add_server_port(evutil_socket_t socket, int flags, evdns_request_callback_fn_type cb, void *user_data) { return evdns_add_server_port_with_base(NULL, socket, flags, cb, user_data); } /* exported function */ void evdns_close_server_port(struct evdns_server_port *port) { EVDNS_LOCK(port); if (--port->refcnt == 0) { EVDNS_UNLOCK(port); server_port_free(port); } else { port->closing = 1; EVDNS_UNLOCK(port); } } /* exported function */ int evdns_server_request_add_reply(struct evdns_server_request *req_, int section, const char *name, int type, int class, int ttl, int datalen, int is_name, const char *data) { struct server_request *req = TO_SERVER_REQUEST(req_); struct server_reply_item **itemp, *item; int *countp; int result = -1; EVDNS_LOCK(req->port); if (req->response) /* have we already answered? */ goto done; switch (section) { case EVDNS_ANSWER_SECTION: itemp = &req->answer; countp = &req->n_answer; break; case EVDNS_AUTHORITY_SECTION: itemp = &req->authority; countp = &req->n_authority; break; case EVDNS_ADDITIONAL_SECTION: itemp = &req->additional; countp = &req->n_additional; break; default: goto done; } while (*itemp) { itemp = &((*itemp)->next); } item = mm_malloc(sizeof(struct server_reply_item)); if (!item) goto done; item->next = NULL; if (!(item->name = mm_strdup(name))) { mm_free(item); goto done; } item->type = type; item->dns_question_class = class; item->ttl = ttl; item->is_name = is_name != 0; item->datalen = 0; item->data = NULL; if (data) { if (item->is_name) { if (!(item->data = mm_strdup(data))) { mm_free(item->name); mm_free(item); goto done; } item->datalen = (u16)-1; } else { if (!(item->data = mm_malloc(datalen))) { mm_free(item->name); mm_free(item); goto done; } item->datalen = datalen; memcpy(item->data, data, datalen); } } *itemp = item; ++(*countp); result = 0; done: EVDNS_UNLOCK(req->port); return result; } /* exported function */ int evdns_server_request_add_a_reply(struct evdns_server_request *req, const char *name, int n, const void *addrs, int ttl) { return evdns_server_request_add_reply( req, EVDNS_ANSWER_SECTION, name, TYPE_A, CLASS_INET, ttl, n*4, 0, addrs); } /* exported function */ int evdns_server_request_add_aaaa_reply(struct evdns_server_request *req, const char *name, int n, const void *addrs, int ttl) { return evdns_server_request_add_reply( req, EVDNS_ANSWER_SECTION, name, TYPE_AAAA, CLASS_INET, ttl, n*16, 0, addrs); } /* exported function */ int evdns_server_request_add_ptr_reply(struct evdns_server_request *req, struct in_addr *in, const char *inaddr_name, const char *hostname, int ttl) { u32 a; char buf[32]; if (in && inaddr_name) return -1; else if (!in && !inaddr_name) return -1; if (in) { a = ntohl(in->s_addr); evutil_snprintf(buf, sizeof(buf), "%d.%d.%d.%d.in-addr.arpa", (int)(u8)((a )&0xff), (int)(u8)((a>>8 )&0xff), (int)(u8)((a>>16)&0xff), (int)(u8)((a>>24)&0xff)); inaddr_name = buf; } return evdns_server_request_add_reply( req, EVDNS_ANSWER_SECTION, inaddr_name, TYPE_PTR, CLASS_INET, ttl, -1, 1, hostname); } /* exported function */ int evdns_server_request_add_cname_reply(struct evdns_server_request *req, const char *name, const char *cname, int ttl) { return evdns_server_request_add_reply( req, EVDNS_ANSWER_SECTION, name, TYPE_CNAME, CLASS_INET, ttl, -1, 1, cname); } /* exported function */ void evdns_server_request_set_flags(struct evdns_server_request *exreq, int flags) { struct server_request *req = TO_SERVER_REQUEST(exreq); req->base.flags &= ~(EVDNS_FLAGS_AA|EVDNS_FLAGS_RD); req->base.flags |= flags; } static int evdns_server_request_format_response(struct server_request *req, int err) { unsigned char buf[1500]; size_t buf_len = sizeof(buf); off_t j = 0, r; u16 t_; u32 t32_; int i; u16 flags; struct dnslabel_table table; if (err < 0 || err > 15) return -1; /* Set response bit and error code; copy OPCODE and RD fields from * question; copy RA and AA if set by caller. */ flags = req->base.flags; flags |= (_QR_MASK | err); dnslabel_table_init(&table); APPEND16(req->trans_id); APPEND16(flags); APPEND16(req->base.nquestions); APPEND16(req->n_answer); APPEND16(req->n_authority); APPEND16(req->n_additional); /* Add questions. */ for (i=0; i < req->base.nquestions; ++i) { const char *s = req->base.questions[i]->name; j = dnsname_to_labels(buf, buf_len, j, s, strlen(s), &table); if (j < 0) { dnslabel_clear(&table); return (int) j; } APPEND16(req->base.questions[i]->type); APPEND16(req->base.questions[i]->dns_question_class); } /* Add answer, authority, and additional sections. */ for (i=0; i<3; ++i) { struct server_reply_item *item; if (i==0) item = req->answer; else if (i==1) item = req->authority; else item = req->additional; while (item) { r = dnsname_to_labels(buf, buf_len, j, item->name, strlen(item->name), &table); if (r < 0) goto overflow; j = r; APPEND16(item->type); APPEND16(item->dns_question_class); APPEND32(item->ttl); if (item->is_name) { off_t len_idx = j, name_start; j += 2; name_start = j; r = dnsname_to_labels(buf, buf_len, j, item->data, strlen(item->data), &table); if (r < 0) goto overflow; j = r; t_ = htons( (short) (j-name_start) ); memcpy(buf+len_idx, &t_, 2); } else { APPEND16(item->datalen); if (j+item->datalen > (off_t)buf_len) goto overflow; memcpy(buf+j, item->data, item->datalen); j += item->datalen; } item = item->next; } } if (j > 512) { overflow: j = 512; buf[2] |= 0x02; /* set the truncated bit. */ } req->response_len = j; if (!(req->response = mm_malloc(req->response_len))) { server_request_free_answers(req); dnslabel_clear(&table); return (-1); } memcpy(req->response, buf, req->response_len); server_request_free_answers(req); dnslabel_clear(&table); return (0); } /* exported function */ int evdns_server_request_respond(struct evdns_server_request *req_, int err) { struct server_request *req = TO_SERVER_REQUEST(req_); struct evdns_server_port *port = req->port; int r = -1; EVDNS_LOCK(port); if (!req->response) { if ((r = evdns_server_request_format_response(req, err))<0) goto done; } r = sendto(port->socket, req->response, (int)req->response_len, 0, (struct sockaddr*) &req->addr, (ev_socklen_t)req->addrlen); if (r<0) { int sock_err = evutil_socket_geterror(port->socket); if (EVUTIL_ERR_RW_RETRIABLE(sock_err)) goto done; if (port->pending_replies) { req->prev_pending = port->pending_replies->prev_pending; req->next_pending = port->pending_replies; req->prev_pending->next_pending = req->next_pending->prev_pending = req; } else { req->prev_pending = req->next_pending = req; port->pending_replies = req; port->choked = 1; (void) event_del(&port->event); event_assign(&port->event, port->event_base, port->socket, (port->closing?0:EV_READ) | EV_WRITE | EV_PERSIST, server_port_ready_callback, port); if (event_add(&port->event, NULL) < 0) { log(EVDNS_LOG_WARN, "Error from libevent when adding event for DNS server"); } } r = 1; goto done; } if (server_request_free(req)) { r = 0; goto done; } if (port->pending_replies) server_port_flush(port); r = 0; done: EVDNS_UNLOCK(port); return r; } /* Free all storage held by RRs in req. */ static void server_request_free_answers(struct server_request *req) { struct server_reply_item *victim, *next, **list; int i; for (i = 0; i < 3; ++i) { if (i==0) list = &req->answer; else if (i==1) list = &req->authority; else list = &req->additional; victim = *list; while (victim) { next = victim->next; mm_free(victim->name); if (victim->data) mm_free(victim->data); mm_free(victim); victim = next; } *list = NULL; } } /* Free all storage held by req, and remove links to it. */ /* return true iff we just wound up freeing the server_port. */ static int server_request_free(struct server_request *req) { int i, rc=1, lock=0; if (req->base.questions) { for (i = 0; i < req->base.nquestions; ++i) mm_free(req->base.questions[i]); mm_free(req->base.questions); } if (req->port) { EVDNS_LOCK(req->port); lock=1; if (req->port->pending_replies == req) { if (req->next_pending && req->next_pending != req) req->port->pending_replies = req->next_pending; else req->port->pending_replies = NULL; } rc = --req->port->refcnt; } if (req->response) { mm_free(req->response); } server_request_free_answers(req); if (req->next_pending && req->next_pending != req) { req->next_pending->prev_pending = req->prev_pending; req->prev_pending->next_pending = req->next_pending; } if (rc == 0) { EVDNS_UNLOCK(req->port); /* ????? nickm */ server_port_free(req->port); mm_free(req); return (1); } if (lock) EVDNS_UNLOCK(req->port); mm_free(req); return (0); } /* Free all storage held by an evdns_server_port. Only called when */ static void server_port_free(struct evdns_server_port *port) { EVUTIL_ASSERT(port); EVUTIL_ASSERT(!port->refcnt); EVUTIL_ASSERT(!port->pending_replies); if (port->socket > 0) { evutil_closesocket(port->socket); port->socket = -1; } (void) event_del(&port->event); event_debug_unassign(&port->event); EVTHREAD_FREE_LOCK(port->lock, EVTHREAD_LOCKTYPE_RECURSIVE); mm_free(port); } /* exported function */ int evdns_server_request_drop(struct evdns_server_request *req_) { struct server_request *req = TO_SERVER_REQUEST(req_); server_request_free(req); return 0; } /* exported function */ int evdns_server_request_get_requesting_addr(struct evdns_server_request *req_, struct sockaddr *sa, int addr_len) { struct server_request *req = TO_SERVER_REQUEST(req_); if (addr_len < (int)req->addrlen) return -1; memcpy(sa, &(req->addr), req->addrlen); return req->addrlen; } #undef APPEND16 #undef APPEND32 /* this is a libevent callback function which is called when a request */ /* has timed out. */ static void evdns_request_timeout_callback(evutil_socket_t fd, short events, void *arg) { struct request *const req = (struct request *) arg; struct evdns_base *base = req->base; (void) fd; (void) events; log(EVDNS_LOG_DEBUG, "Request %p timed out", arg); EVDNS_LOCK(base); if (req->tx_count >= req->base->global_max_retransmits) { struct nameserver *ns = req->ns; /* this request has failed */ log(EVDNS_LOG_DEBUG, "Giving up on request %p; tx_count==%d", arg, req->tx_count); reply_schedule_callback(req, 0, DNS_ERR_TIMEOUT, NULL); request_finished(req, &REQ_HEAD(req->base, req->trans_id), 1); nameserver_failed(ns, "request timed out."); } else { /* retransmit it */ log(EVDNS_LOG_DEBUG, "Retransmitting request %p; tx_count==%d", arg, req->tx_count); (void) evtimer_del(&req->timeout_event); request_swap_ns(req, nameserver_pick(base)); evdns_request_transmit(req); req->ns->timedout++; if (req->ns->timedout > req->base->global_max_nameserver_timeout) { req->ns->timedout = 0; nameserver_failed(req->ns, "request timed out."); } } EVDNS_UNLOCK(base); } /* try to send a request to a given server. */ /* */ /* return: */ /* 0 ok */ /* 1 temporary failure */ /* 2 other failure */ static int evdns_request_transmit_to(struct request *req, struct nameserver *server) { int r; ASSERT_LOCKED(req->base); ASSERT_VALID_REQUEST(req); if (server->requests_inflight == 1 && req->base->disable_when_inactive && event_add(&server->event, NULL) < 0) { return 1; } r = sendto(server->socket, (void*)req->request, req->request_len, 0, (struct sockaddr *)&server->address, server->addrlen); if (r < 0) { int err = evutil_socket_geterror(server->socket); if (EVUTIL_ERR_RW_RETRIABLE(err)) return 1; nameserver_failed(req->ns, evutil_socket_error_to_string(err)); return 2; } else if (r != (int)req->request_len) { return 1; /* short write */ } else { return 0; } } /* try to send a request, updating the fields of the request */ /* as needed */ /* */ /* return: */ /* 0 ok */ /* 1 failed */ static int evdns_request_transmit(struct request *req) { int retcode = 0, r; ASSERT_LOCKED(req->base); ASSERT_VALID_REQUEST(req); /* if we fail to send this packet then this flag marks it */ /* for evdns_transmit */ req->transmit_me = 1; EVUTIL_ASSERT(req->trans_id != 0xffff); if (!req->ns) { /* unable to transmit request if no nameservers */ return 1; } if (req->ns->choked) { /* don't bother trying to write to a socket */ /* which we have had EAGAIN from */ return 1; } r = evdns_request_transmit_to(req, req->ns); switch (r) { case 1: /* temp failure */ req->ns->choked = 1; nameserver_write_waiting(req->ns, 1); return 1; case 2: /* failed to transmit the request entirely. we can fallthrough since * we'll set a timeout, which will time out, and make us retransmit the * request anyway. */ retcode = 1; EVUTIL_FALLTHROUGH; default: /* all ok */ log(EVDNS_LOG_DEBUG, "Setting timeout for request %p, sent to nameserver %p", req, req->ns); if (evtimer_add(&req->timeout_event, &req->base->global_timeout) < 0) { log(EVDNS_LOG_WARN, "Error from libevent when adding timer for request %p", req); /* ???? Do more? */ } req->tx_count++; req->transmit_me = 0; return retcode; } } static void nameserver_probe_callback(int result, char type, int count, int ttl, void *addresses, void *arg) { struct nameserver *const ns = (struct nameserver *) arg; (void) type; (void) count; (void) ttl; (void) addresses; if (result == DNS_ERR_CANCEL) { /* We canceled this request because the nameserver came up * for some other reason. Do not change our opinion about * the nameserver. */ return; } EVDNS_LOCK(ns->base); ns->probe_request = NULL; if (result == DNS_ERR_NONE || result == DNS_ERR_NOTEXIST) { /* this is a good reply */ nameserver_up(ns); } else { nameserver_probe_failed(ns); } EVDNS_UNLOCK(ns->base); } static void nameserver_send_probe(struct nameserver *const ns) { struct evdns_request *handle; struct request *req; char addrbuf[128]; /* here we need to send a probe to a given nameserver */ /* in the hope that it is up now. */ ASSERT_LOCKED(ns->base); log(EVDNS_LOG_DEBUG, "Sending probe to %s", evutil_format_sockaddr_port_( (struct sockaddr *)&ns->address, addrbuf, sizeof(addrbuf))); handle = mm_calloc(1, sizeof(*handle)); if (!handle) return; req = request_new(ns->base, handle, TYPE_A, "google.com", DNS_QUERY_NO_SEARCH, nameserver_probe_callback, ns); if (!req) { mm_free(handle); return; } ns->probe_request = handle; /* we force this into the inflight queue no matter what */ request_trans_id_set(req, transaction_id_pick(ns->base)); req->ns = ns; request_submit(req); } /* returns: */ /* 0 didn't try to transmit anything */ /* 1 tried to transmit something */ static int evdns_transmit(struct evdns_base *base) { char did_try_to_transmit = 0; int i; ASSERT_LOCKED(base); for (i = 0; i < base->n_req_heads; ++i) { if (base->req_heads[i]) { struct request *const started_at = base->req_heads[i], *req = started_at; /* first transmit all the requests which are currently waiting */ do { if (req->transmit_me) { did_try_to_transmit = 1; evdns_request_transmit(req); } req = req->next; } while (req != started_at); } } return did_try_to_transmit; } /* exported function */ int evdns_base_count_nameservers(struct evdns_base *base) { const struct nameserver *server; int n = 0; EVDNS_LOCK(base); server = base->server_head; if (!server) goto done; do { ++n; server = server->next; } while (server != base->server_head); done: EVDNS_UNLOCK(base); return n; } int evdns_count_nameservers(void) { return evdns_base_count_nameservers(current_base); } /* exported function */ int evdns_base_clear_nameservers_and_suspend(struct evdns_base *base) { struct nameserver *server, *started_at; int i; EVDNS_LOCK(base); server = base->server_head; started_at = base->server_head; if (!server) { EVDNS_UNLOCK(base); return 0; } while (1) { struct nameserver *next = server->next; (void) event_del(&server->event); if (evtimer_initialized(&server->timeout_event)) (void) evtimer_del(&server->timeout_event); if (server->probe_request) { evdns_cancel_request(server->base, server->probe_request); server->probe_request = NULL; } if (server->socket >= 0) evutil_closesocket(server->socket); mm_free(server); if (next == started_at) break; server = next; } base->server_head = NULL; base->global_good_nameservers = 0; for (i = 0; i < base->n_req_heads; ++i) { struct request *req, *req_started_at; req = req_started_at = base->req_heads[i]; while (req) { struct request *next = req->next; req->tx_count = req->reissue_count = 0; req->ns = NULL; /* ???? What to do about searches? */ (void) evtimer_del(&req->timeout_event); req->trans_id = 0; req->transmit_me = 0; base->global_requests_waiting++; evdns_request_insert(req, &base->req_waiting_head); /* We want to insert these suspended elements at the front of * the waiting queue, since they were pending before any of * the waiting entries were added. This is a circular list, * so we can just shift the start back by one.*/ base->req_waiting_head = base->req_waiting_head->prev; if (next == req_started_at) break; req = next; } base->req_heads[i] = NULL; } base->global_requests_inflight = 0; EVDNS_UNLOCK(base); return 0; } int evdns_clear_nameservers_and_suspend(void) { return evdns_base_clear_nameservers_and_suspend(current_base); } /* exported function */ int evdns_base_resume(struct evdns_base *base) { EVDNS_LOCK(base); evdns_requests_pump_waiting_queue(base); EVDNS_UNLOCK(base); return 0; } int evdns_resume(void) { return evdns_base_resume(current_base); } static int evdns_nameserver_add_impl_(struct evdns_base *base, const struct sockaddr *address, int addrlen) { /* first check to see if we already have this nameserver */ const struct nameserver *server = base->server_head, *const started_at = base->server_head; struct nameserver *ns; int err = 0; char addrbuf[128]; ASSERT_LOCKED(base); if (server) { do { if (!evutil_sockaddr_cmp((struct sockaddr*)&server->address, address, 1)) return 3; server = server->next; } while (server != started_at); } if (addrlen > (int)sizeof(ns->address)) { log(EVDNS_LOG_DEBUG, "Addrlen %d too long.", (int)addrlen); return 2; } ns = (struct nameserver *) mm_malloc(sizeof(struct nameserver)); if (!ns) return -1; memset(ns, 0, sizeof(struct nameserver)); ns->base = base; evtimer_assign(&ns->timeout_event, ns->base->event_base, nameserver_prod_callback, ns); ns->socket = evutil_socket_(address->sa_family, SOCK_DGRAM|EVUTIL_SOCK_NONBLOCK|EVUTIL_SOCK_CLOEXEC, 0); if (ns->socket < 0) { err = 1; goto out1; } if (base->global_outgoing_addrlen && !evutil_sockaddr_is_loopback_(address)) { if (bind(ns->socket, (struct sockaddr*)&base->global_outgoing_address, base->global_outgoing_addrlen) < 0) { log(EVDNS_LOG_WARN,"Couldn't bind to outgoing address"); err = 2; goto out2; } } if (base->so_rcvbuf) { if (setsockopt(ns->socket, SOL_SOCKET, SO_RCVBUF, (void *)&base->so_rcvbuf, sizeof(base->so_rcvbuf))) { log(EVDNS_LOG_WARN, "Couldn't set SO_RCVBUF to %i", base->so_rcvbuf); err = -SO_RCVBUF; goto out2; } } if (base->so_sndbuf) { if (setsockopt(ns->socket, SOL_SOCKET, SO_SNDBUF, (void *)&base->so_sndbuf, sizeof(base->so_sndbuf))) { log(EVDNS_LOG_WARN, "Couldn't set SO_SNDBUF to %i", base->so_sndbuf); err = -SO_SNDBUF; goto out2; } } memcpy(&ns->address, address, addrlen); ns->addrlen = addrlen; ns->state = 1; event_assign(&ns->event, ns->base->event_base, ns->socket, EV_READ | EV_PERSIST, nameserver_ready_callback, ns); if (!base->disable_when_inactive && event_add(&ns->event, NULL) < 0) { err = 2; goto out2; } log(EVDNS_LOG_DEBUG, "Added nameserver %s as %p", evutil_format_sockaddr_port_(address, addrbuf, sizeof(addrbuf)), ns); /* insert this nameserver into the list of them */ if (!base->server_head) { ns->next = ns->prev = ns; base->server_head = ns; } else { ns->next = base->server_head->next; ns->prev = base->server_head; base->server_head->next = ns; ns->next->prev = ns; } base->global_good_nameservers++; return 0; out2: evutil_closesocket(ns->socket); out1: event_debug_unassign(&ns->event); mm_free(ns); log(EVDNS_LOG_WARN, "Unable to add nameserver %s: error %d", evutil_format_sockaddr_port_(address, addrbuf, sizeof(addrbuf)), err); return err; } /* exported function */ int evdns_base_nameserver_add(struct evdns_base *base, unsigned long int address) { struct sockaddr_in sin; int res; memset(&sin, 0, sizeof(sin)); sin.sin_addr.s_addr = address; sin.sin_port = htons(53); sin.sin_family = AF_INET; EVDNS_LOCK(base); res = evdns_nameserver_add_impl_(base, (struct sockaddr*)&sin, sizeof(sin)); EVDNS_UNLOCK(base); return res; } int evdns_nameserver_add(unsigned long int address) { if (!current_base) current_base = evdns_base_new(NULL, 0); return evdns_base_nameserver_add(current_base, address); } static void sockaddr_setport(struct sockaddr *sa, ev_uint16_t port) { if (sa->sa_family == AF_INET) { ((struct sockaddr_in *)sa)->sin_port = htons(port); } else if (sa->sa_family == AF_INET6) { ((struct sockaddr_in6 *)sa)->sin6_port = htons(port); } } static ev_uint16_t sockaddr_getport(struct sockaddr *sa) { if (sa->sa_family == AF_INET) { return ntohs(((struct sockaddr_in *)sa)->sin_port); } else if (sa->sa_family == AF_INET6) { return ntohs(((struct sockaddr_in6 *)sa)->sin6_port); } else { return 0; } } /* exported function */ int evdns_base_nameserver_ip_add(struct evdns_base *base, const char *ip_as_string) { struct sockaddr_storage ss; struct sockaddr *sa; int len = sizeof(ss); int res; if (evutil_parse_sockaddr_port(ip_as_string, (struct sockaddr *)&ss, &len)) { log(EVDNS_LOG_WARN, "Unable to parse nameserver address %s", ip_as_string); return 4; } sa = (struct sockaddr *) &ss; if (sockaddr_getport(sa) == 0) sockaddr_setport(sa, 53); EVDNS_LOCK(base); res = evdns_nameserver_add_impl_(base, sa, len); EVDNS_UNLOCK(base); return res; } int evdns_nameserver_ip_add(const char *ip_as_string) { if (!current_base) current_base = evdns_base_new(NULL, 0); return evdns_base_nameserver_ip_add(current_base, ip_as_string); } int evdns_base_nameserver_sockaddr_add(struct evdns_base *base, const struct sockaddr *sa, ev_socklen_t len, unsigned flags) { int res; EVUTIL_ASSERT(base); EVDNS_LOCK(base); res = evdns_nameserver_add_impl_(base, sa, len); EVDNS_UNLOCK(base); return res; } int evdns_base_get_nameserver_addr(struct evdns_base *base, int idx, struct sockaddr *sa, ev_socklen_t len) { int result = -1; int i; struct nameserver *server; EVDNS_LOCK(base); server = base->server_head; for (i = 0; i < idx && server; ++i, server = server->next) { if (server->next == base->server_head) goto done; } if (! server) goto done; if (server->addrlen > len) { result = (int) server->addrlen; goto done; } memcpy(sa, &server->address, server->addrlen); result = (int) server->addrlen; done: EVDNS_UNLOCK(base); return result; } /* remove from the queue */ static void evdns_request_remove(struct request *req, struct request **head) { ASSERT_LOCKED(req->base); ASSERT_VALID_REQUEST(req); #if 0 { struct request *ptr; int found = 0; EVUTIL_ASSERT(*head != NULL); ptr = *head; do { if (ptr == req) { found = 1; break; } ptr = ptr->next; } while (ptr != *head); EVUTIL_ASSERT(found); EVUTIL_ASSERT(req->next); } #endif if (req->next == req) { /* only item in the list */ *head = NULL; } else { req->next->prev = req->prev; req->prev->next = req->next; if (*head == req) *head = req->next; } req->next = req->prev = NULL; } /* insert into the tail of the queue */ static void evdns_request_insert(struct request *req, struct request **head) { ASSERT_LOCKED(req->base); ASSERT_VALID_REQUEST(req); if (!*head) { *head = req; req->next = req->prev = req; return; } req->prev = (*head)->prev; req->prev->next = req; req->next = *head; (*head)->prev = req; } static int string_num_dots(const char *s) { int count = 0; while ((s = strchr(s, '.'))) { s++; count++; } return count; } static struct request * request_new(struct evdns_base *base, struct evdns_request *handle, int type, const char *name, int flags, evdns_callback_type callback, void *user_ptr) { const char issuing_now = (base->global_requests_inflight < base->global_max_requests_inflight) ? 1 : 0; const size_t name_len = strlen(name); const size_t request_max_len = evdns_request_len(name_len); const u16 trans_id = issuing_now ? transaction_id_pick(base) : 0xffff; /* the request data is alloced in a single block with the header */ struct request *const req = mm_malloc(sizeof(struct request) + request_max_len); int rlen; char namebuf[256]; (void) flags; ASSERT_LOCKED(base); if (!req) return NULL; if (name_len >= sizeof(namebuf)) { mm_free(req); return NULL; } memset(req, 0, sizeof(struct request)); req->base = base; evtimer_assign(&req->timeout_event, req->base->event_base, evdns_request_timeout_callback, req); if (base->global_randomize_case) { unsigned i; char randbits[(sizeof(namebuf)+7)/8]; strlcpy(namebuf, name, sizeof(namebuf)); evutil_secure_rng_get_bytes(randbits, (name_len+7)/8); for (i = 0; i < name_len; ++i) { if (EVUTIL_ISALPHA_(namebuf[i])) { if ((randbits[i >> 3] & (1<<(i & 7)))) namebuf[i] |= 0x20; else namebuf[i] &= ~0x20; } } name = namebuf; } /* request data lives just after the header */ req->request = ((u8 *) req) + sizeof(struct request); /* denotes that the request data shouldn't be free()ed */ req->request_appended = 1; rlen = evdns_request_data_build(name, name_len, trans_id, type, CLASS_INET, req->request, request_max_len); if (rlen < 0) goto err1; req->request_len = rlen; req->trans_id = trans_id; req->tx_count = 0; req->request_type = type; req->user_pointer = user_ptr; req->user_callback = callback; req->ns = issuing_now ? nameserver_pick(base) : NULL; req->next = req->prev = NULL; req->handle = handle; if (handle) { handle->current_req = req; handle->base = base; } return req; err1: mm_free(req); return NULL; } static void request_submit(struct request *const req) { struct evdns_base *base = req->base; ASSERT_LOCKED(base); ASSERT_VALID_REQUEST(req); if (req->ns) { /* if it has a nameserver assigned then this is going */ /* straight into the inflight queue */ evdns_request_insert(req, &REQ_HEAD(base, req->trans_id)); base->global_requests_inflight++; req->ns->requests_inflight++; evdns_request_transmit(req); } else { evdns_request_insert(req, &base->req_waiting_head); base->global_requests_waiting++; } } /* exported function */ void evdns_cancel_request(struct evdns_base *base, struct evdns_request *handle) { struct request *req; if (!handle->current_req) return; if (!base) { /* This redundancy is silly; can we fix it? (Not for 2.0) XXXX */ base = handle->base; if (!base) base = handle->current_req->base; } EVDNS_LOCK(base); if (handle->pending_cb) { EVDNS_UNLOCK(base); return; } req = handle->current_req; ASSERT_VALID_REQUEST(req); reply_schedule_callback(req, 0, DNS_ERR_CANCEL, NULL); if (req->ns) { /* remove from inflight queue */ request_finished(req, &REQ_HEAD(base, req->trans_id), 1); } else { /* remove from global_waiting head */ request_finished(req, &base->req_waiting_head, 1); } EVDNS_UNLOCK(base); } /* exported function */ struct evdns_request * evdns_base_resolve_ipv4(struct evdns_base *base, const char *name, int flags, evdns_callback_type callback, void *ptr) { struct evdns_request *handle; struct request *req; log(EVDNS_LOG_DEBUG, "Resolve requested for %s", name); handle = mm_calloc(1, sizeof(*handle)); if (handle == NULL) return NULL; EVDNS_LOCK(base); if (flags & DNS_QUERY_NO_SEARCH) { req = request_new(base, handle, TYPE_A, name, flags, callback, ptr); if (req) request_submit(req); } else { search_request_new(base, handle, TYPE_A, name, flags, callback, ptr); } if (handle->current_req == NULL) { mm_free(handle); handle = NULL; } EVDNS_UNLOCK(base); return handle; } int evdns_resolve_ipv4(const char *name, int flags, evdns_callback_type callback, void *ptr) { return evdns_base_resolve_ipv4(current_base, name, flags, callback, ptr) ? 0 : -1; } /* exported function */ struct evdns_request * evdns_base_resolve_ipv6(struct evdns_base *base, const char *name, int flags, evdns_callback_type callback, void *ptr) { struct evdns_request *handle; struct request *req; log(EVDNS_LOG_DEBUG, "Resolve requested for %s", name); handle = mm_calloc(1, sizeof(*handle)); if (handle == NULL) return NULL; EVDNS_LOCK(base); if (flags & DNS_QUERY_NO_SEARCH) { req = request_new(base, handle, TYPE_AAAA, name, flags, callback, ptr); if (req) request_submit(req); } else { search_request_new(base, handle, TYPE_AAAA, name, flags, callback, ptr); } if (handle->current_req == NULL) { mm_free(handle); handle = NULL; } EVDNS_UNLOCK(base); return handle; } int evdns_resolve_ipv6(const char *name, int flags, evdns_callback_type callback, void *ptr) { return evdns_base_resolve_ipv6(current_base, name, flags, callback, ptr) ? 0 : -1; } struct evdns_request * evdns_base_resolve_reverse(struct evdns_base *base, const struct in_addr *in, int flags, evdns_callback_type callback, void *ptr) { char buf[32]; struct evdns_request *handle; struct request *req; u32 a; EVUTIL_ASSERT(in); a = ntohl(in->s_addr); evutil_snprintf(buf, sizeof(buf), "%d.%d.%d.%d.in-addr.arpa", (int)(u8)((a )&0xff), (int)(u8)((a>>8 )&0xff), (int)(u8)((a>>16)&0xff), (int)(u8)((a>>24)&0xff)); handle = mm_calloc(1, sizeof(*handle)); if (handle == NULL) return NULL; log(EVDNS_LOG_DEBUG, "Resolve requested for %s (reverse)", buf); EVDNS_LOCK(base); req = request_new(base, handle, TYPE_PTR, buf, flags, callback, ptr); if (req) request_submit(req); if (handle->current_req == NULL) { mm_free(handle); handle = NULL; } EVDNS_UNLOCK(base); return (handle); } int evdns_resolve_reverse(const struct in_addr *in, int flags, evdns_callback_type callback, void *ptr) { return evdns_base_resolve_reverse(current_base, in, flags, callback, ptr) ? 0 : -1; } struct evdns_request * evdns_base_resolve_reverse_ipv6(struct evdns_base *base, const struct in6_addr *in, int flags, evdns_callback_type callback, void *ptr) { /* 32 nybbles, 32 periods, "ip6.arpa", NUL. */ char buf[73]; char *cp; struct evdns_request *handle; struct request *req; int i; EVUTIL_ASSERT(in); cp = buf; for (i=15; i >= 0; --i) { u8 byte = in->s6_addr[i]; *cp++ = "0123456789abcdef"[byte & 0x0f]; *cp++ = '.'; *cp++ = "0123456789abcdef"[byte >> 4]; *cp++ = '.'; } EVUTIL_ASSERT(cp + strlen("ip6.arpa") < buf+sizeof(buf)); memcpy(cp, "ip6.arpa", strlen("ip6.arpa")+1); handle = mm_calloc(1, sizeof(*handle)); if (handle == NULL) return NULL; log(EVDNS_LOG_DEBUG, "Resolve requested for %s (reverse)", buf); EVDNS_LOCK(base); req = request_new(base, handle, TYPE_PTR, buf, flags, callback, ptr); if (req) request_submit(req); if (handle->current_req == NULL) { mm_free(handle); handle = NULL; } EVDNS_UNLOCK(base); return (handle); } int evdns_resolve_reverse_ipv6(const struct in6_addr *in, int flags, evdns_callback_type callback, void *ptr) { return evdns_base_resolve_reverse_ipv6(current_base, in, flags, callback, ptr) ? 0 : -1; } /* ================================================================= */ /* Search support */ /* */ /* the libc resolver has support for searching a number of domains */ /* to find a name. If nothing else then it takes the single domain */ /* from the gethostname() call. */ /* */ /* It can also be configured via the domain and search options in a */ /* resolv.conf. */ /* */ /* The ndots option controls how many dots it takes for the resolver */ /* to decide that a name is non-local and so try a raw lookup first. */ struct search_domain { int len; struct search_domain *next; /* the text string is appended to this structure */ }; struct search_state { int refcount; int ndots; int num_domains; struct search_domain *head; }; static void search_state_decref(struct search_state *const state) { if (!state) return; state->refcount--; if (!state->refcount) { struct search_domain *next, *dom; for (dom = state->head; dom; dom = next) { next = dom->next; mm_free(dom); } mm_free(state); } } static struct search_state * search_state_new(void) { struct search_state *state = (struct search_state *) mm_malloc(sizeof(struct search_state)); if (!state) return NULL; memset(state, 0, sizeof(struct search_state)); state->refcount = 1; state->ndots = 1; return state; } static void search_postfix_clear(struct evdns_base *base) { search_state_decref(base->global_search_state); base->global_search_state = search_state_new(); } /* exported function */ void evdns_base_search_clear(struct evdns_base *base) { EVDNS_LOCK(base); search_postfix_clear(base); EVDNS_UNLOCK(base); } void evdns_search_clear(void) { evdns_base_search_clear(current_base); } static void search_postfix_add(struct evdns_base *base, const char *domain) { size_t domain_len; struct search_domain *sdomain; while (domain[0] == '.') domain++; domain_len = strlen(domain); ASSERT_LOCKED(base); if (!base->global_search_state) base->global_search_state = search_state_new(); if (!base->global_search_state) return; base->global_search_state->num_domains++; sdomain = (struct search_domain *) mm_malloc(sizeof(struct search_domain) + domain_len); if (!sdomain) return; memcpy( ((u8 *) sdomain) + sizeof(struct search_domain), domain, domain_len); sdomain->next = base->global_search_state->head; sdomain->len = (int) domain_len; base->global_search_state->head = sdomain; } /* reverse the order of members in the postfix list. This is needed because, */ /* when parsing resolv.conf we push elements in the wrong order */ static void search_reverse(struct evdns_base *base) { struct search_domain *cur, *prev = NULL, *next; ASSERT_LOCKED(base); cur = base->global_search_state->head; while (cur) { next = cur->next; cur->next = prev; prev = cur; cur = next; } base->global_search_state->head = prev; } /* exported function */ void evdns_base_search_add(struct evdns_base *base, const char *domain) { EVDNS_LOCK(base); search_postfix_add(base, domain); EVDNS_UNLOCK(base); } void evdns_search_add(const char *domain) { evdns_base_search_add(current_base, domain); } /* exported function */ void evdns_base_search_ndots_set(struct evdns_base *base, const int ndots) { EVDNS_LOCK(base); if (!base->global_search_state) base->global_search_state = search_state_new(); if (base->global_search_state) base->global_search_state->ndots = ndots; EVDNS_UNLOCK(base); } void evdns_search_ndots_set(const int ndots) { evdns_base_search_ndots_set(current_base, ndots); } static void search_set_from_hostname(struct evdns_base *base) { char hostname[HOST_NAME_MAX + 1], *domainname; ASSERT_LOCKED(base); search_postfix_clear(base); if (gethostname(hostname, sizeof(hostname))) return; domainname = strchr(hostname, '.'); if (!domainname) return; search_postfix_add(base, domainname); } /* warning: returns malloced string */ static char * search_make_new(const struct search_state *const state, int n, const char *const base_name) { const size_t base_len = strlen(base_name); char need_to_append_dot; struct search_domain *dom; if (!base_len) return NULL; need_to_append_dot = base_name[base_len - 1] == '.' ? 0 : 1; for (dom = state->head; dom; dom = dom->next) { if (!n--) { /* this is the postfix we want */ /* the actual postfix string is kept at the end of the structure */ const u8 *const postfix = ((u8 *) dom) + sizeof(struct search_domain); const int postfix_len = dom->len; char *const newname = (char *) mm_malloc(base_len + need_to_append_dot + postfix_len + 1); if (!newname) return NULL; memcpy(newname, base_name, base_len); if (need_to_append_dot) newname[base_len] = '.'; memcpy(newname + base_len + need_to_append_dot, postfix, postfix_len); newname[base_len + need_to_append_dot + postfix_len] = 0; return newname; } } /* we ran off the end of the list and still didn't find the requested string */ EVUTIL_ASSERT(0); return NULL; /* unreachable; stops warnings in some compilers. */ } static struct request * search_request_new(struct evdns_base *base, struct evdns_request *handle, int type, const char *const name, int flags, evdns_callback_type user_callback, void *user_arg) { ASSERT_LOCKED(base); EVUTIL_ASSERT(type == TYPE_A || type == TYPE_AAAA); EVUTIL_ASSERT(handle->current_req == NULL); if ( ((flags & DNS_QUERY_NO_SEARCH) == 0) && base->global_search_state && base->global_search_state->num_domains) { /* we have some domains to search */ struct request *req; if (string_num_dots(name) >= base->global_search_state->ndots) { req = request_new(base, handle, type, name, flags, user_callback, user_arg); if (!req) return NULL; handle->search_index = -1; } else { char *const new_name = search_make_new(base->global_search_state, 0, name); if (!new_name) return NULL; req = request_new(base, handle, type, new_name, flags, user_callback, user_arg); mm_free(new_name); if (!req) return NULL; handle->search_index = 0; } EVUTIL_ASSERT(handle->search_origname == NULL); handle->search_origname = mm_strdup(name); if (handle->search_origname == NULL) { /* XXX Should we dealloc req? If yes, how? */ if (req) mm_free(req); return NULL; } handle->search_state = base->global_search_state; handle->search_flags = flags; base->global_search_state->refcount++; request_submit(req); return req; } else { struct request *const req = request_new(base, handle, type, name, flags, user_callback, user_arg); if (!req) return NULL; request_submit(req); return req; } } /* this is called when a request has failed to find a name. We need to check */ /* if it is part of a search and, if so, try the next name in the list */ /* returns: */ /* 0 another request has been submitted */ /* 1 no more requests needed */ static int search_try_next(struct evdns_request *const handle) { struct request *req = handle->current_req; struct evdns_base *base = req->base; struct request *newreq; ASSERT_LOCKED(base); if (handle->search_state) { /* it is part of a search */ char *new_name; handle->search_index++; if (handle->search_index >= handle->search_state->num_domains) { /* no more postfixes to try, however we may need to try */ /* this name without a postfix */ if (string_num_dots(handle->search_origname) < handle->search_state->ndots) { /* yep, we need to try it raw */ newreq = request_new(base, NULL, req->request_type, handle->search_origname, handle->search_flags, req->user_callback, req->user_pointer); log(EVDNS_LOG_DEBUG, "Search: trying raw query %s", handle->search_origname); if (newreq) { search_request_finished(handle); goto submit_next; } } return 1; } new_name = search_make_new(handle->search_state, handle->search_index, handle->search_origname); if (!new_name) return 1; log(EVDNS_LOG_DEBUG, "Search: now trying %s (%d)", new_name, handle->search_index); newreq = request_new(base, NULL, req->request_type, new_name, handle->search_flags, req->user_callback, req->user_pointer); mm_free(new_name); if (!newreq) return 1; goto submit_next; } return 1; submit_next: request_finished(req, &REQ_HEAD(req->base, req->trans_id), 0); handle->current_req = newreq; newreq->handle = handle; request_submit(newreq); return 0; } static void search_request_finished(struct evdns_request *const handle) { ASSERT_LOCKED(handle->current_req->base); if (handle->search_state) { search_state_decref(handle->search_state); handle->search_state = NULL; } if (handle->search_origname) { mm_free(handle->search_origname); handle->search_origname = NULL; } } /* ================================================================= */ /* Parsing resolv.conf files */ static void evdns_resolv_set_defaults(struct evdns_base *base, int flags) { int add_default = flags & DNS_OPTION_NAMESERVERS; if (flags & DNS_OPTION_NAMESERVERS_NO_DEFAULT) add_default = 0; /* if the file isn't found then we assume a local resolver */ ASSERT_LOCKED(base); if (flags & DNS_OPTION_SEARCH) search_set_from_hostname(base); if (add_default) evdns_base_nameserver_ip_add(base, "127.0.0.1"); } #ifndef EVENT__HAVE_STRTOK_R static char * strtok_r(char *s, const char *delim, char **state) { char *cp, *start; start = cp = s ? s : *state; if (!cp) return NULL; while (*cp && !strchr(delim, *cp)) ++cp; if (!*cp) { if (cp == start) return NULL; *state = NULL; return start; } else { *cp++ = '\0'; *state = cp; return start; } } #endif /* helper version of atoi which returns -1 on error */ static int strtoint(const char *const str) { char *endptr; const int r = strtol(str, &endptr, 10); if (*endptr) return -1; return r; } /* Parse a number of seconds into a timeval; return -1 on error. */ static int evdns_strtotimeval(const char *const str, struct timeval *out) { double d; char *endptr; d = strtod(str, &endptr); if (*endptr) return -1; if (d < 0) return -1; out->tv_sec = (int) d; out->tv_usec = (int) ((d - (int) d)*1000000); if (out->tv_sec == 0 && out->tv_usec < 1000) /* less than 1 msec */ return -1; return 0; } /* helper version of atoi that returns -1 on error and clips to bounds. */ static int strtoint_clipped(const char *const str, int min, int max) { int r = strtoint(str); if (r == -1) return r; else if (rmax) return max; else return r; } static int evdns_base_set_max_requests_inflight(struct evdns_base *base, int maxinflight) { int old_n_heads = base->n_req_heads, n_heads; struct request **old_heads = base->req_heads, **new_heads, *req; int i; ASSERT_LOCKED(base); if (maxinflight < 1) maxinflight = 1; n_heads = (maxinflight+4) / 5; EVUTIL_ASSERT(n_heads > 0); new_heads = mm_calloc(n_heads, sizeof(struct request*)); if (!new_heads) return (-1); if (old_heads) { for (i = 0; i < old_n_heads; ++i) { while (old_heads[i]) { req = old_heads[i]; evdns_request_remove(req, &old_heads[i]); evdns_request_insert(req, &new_heads[req->trans_id % n_heads]); } } mm_free(old_heads); } base->req_heads = new_heads; base->n_req_heads = n_heads; base->global_max_requests_inflight = maxinflight; return (0); } /* exported function */ int evdns_base_set_option(struct evdns_base *base, const char *option, const char *val) { int res; EVDNS_LOCK(base); res = evdns_base_set_option_impl(base, option, val, DNS_OPTIONS_ALL); EVDNS_UNLOCK(base); return res; } static inline int str_matches_option(const char *s1, const char *optionname) { /* Option names are given as "option:" We accept either 'option' in * s1, or 'option:randomjunk'. The latter form is to implement the * resolv.conf parser. */ size_t optlen = strlen(optionname); size_t slen = strlen(s1); if (slen == optlen || slen == optlen - 1) return !strncmp(s1, optionname, slen); else if (slen > optlen) return !strncmp(s1, optionname, optlen); else return 0; } static int evdns_base_set_option_impl(struct evdns_base *base, const char *option, const char *val, int flags) { ASSERT_LOCKED(base); if (str_matches_option(option, "ndots:")) { const int ndots = strtoint(val); if (ndots == -1) return -1; if (!(flags & DNS_OPTION_SEARCH)) return 0; log(EVDNS_LOG_DEBUG, "Setting ndots to %d", ndots); if (!base->global_search_state) base->global_search_state = search_state_new(); if (!base->global_search_state) return -1; base->global_search_state->ndots = ndots; } else if (str_matches_option(option, "timeout:")) { struct timeval tv; if (evdns_strtotimeval(val, &tv) == -1) return -1; if (!(flags & DNS_OPTION_MISC)) return 0; log(EVDNS_LOG_DEBUG, "Setting timeout to %s", val); memcpy(&base->global_timeout, &tv, sizeof(struct timeval)); } else if (str_matches_option(option, "getaddrinfo-allow-skew:")) { struct timeval tv; if (evdns_strtotimeval(val, &tv) == -1) return -1; if (!(flags & DNS_OPTION_MISC)) return 0; log(EVDNS_LOG_DEBUG, "Setting getaddrinfo-allow-skew to %s", val); memcpy(&base->global_getaddrinfo_allow_skew, &tv, sizeof(struct timeval)); } else if (str_matches_option(option, "max-timeouts:")) { const int maxtimeout = strtoint_clipped(val, 1, 255); if (maxtimeout == -1) return -1; if (!(flags & DNS_OPTION_MISC)) return 0; log(EVDNS_LOG_DEBUG, "Setting maximum allowed timeouts to %d", maxtimeout); base->global_max_nameserver_timeout = maxtimeout; } else if (str_matches_option(option, "max-inflight:")) { const int maxinflight = strtoint_clipped(val, 1, 65000); if (maxinflight == -1) return -1; if (!(flags & DNS_OPTION_MISC)) return 0; log(EVDNS_LOG_DEBUG, "Setting maximum inflight requests to %d", maxinflight); evdns_base_set_max_requests_inflight(base, maxinflight); } else if (str_matches_option(option, "attempts:")) { int retries = strtoint(val); if (retries == -1) return -1; if (retries > 255) retries = 255; if (!(flags & DNS_OPTION_MISC)) return 0; log(EVDNS_LOG_DEBUG, "Setting retries to %d", retries); base->global_max_retransmits = retries; } else if (str_matches_option(option, "randomize-case:")) { int randcase = strtoint(val); if (randcase == -1) return -1; if (!(flags & DNS_OPTION_MISC)) return 0; base->global_randomize_case = randcase; } else if (str_matches_option(option, "bind-to:")) { /* XXX This only applies to successive nameservers, not * to already-configured ones. We might want to fix that. */ int len = sizeof(base->global_outgoing_address); if (!(flags & DNS_OPTION_NAMESERVERS)) return 0; if (evutil_parse_sockaddr_port(val, (struct sockaddr*)&base->global_outgoing_address, &len)) return -1; base->global_outgoing_addrlen = len; } else if (str_matches_option(option, "initial-probe-timeout:")) { struct timeval tv; if (evdns_strtotimeval(val, &tv) == -1) return -1; if (tv.tv_sec > 3600) tv.tv_sec = 3600; if (!(flags & DNS_OPTION_MISC)) return 0; log(EVDNS_LOG_DEBUG, "Setting initial probe timeout to %s", val); memcpy(&base->global_nameserver_probe_initial_timeout, &tv, sizeof(tv)); } else if (str_matches_option(option, "so-rcvbuf:")) { int buf = strtoint(val); if (buf == -1) return -1; if (!(flags & DNS_OPTION_MISC)) return 0; log(EVDNS_LOG_DEBUG, "Setting SO_RCVBUF to %s", val); base->so_rcvbuf = buf; } else if (str_matches_option(option, "so-sndbuf:")) { int buf = strtoint(val); if (buf == -1) return -1; if (!(flags & DNS_OPTION_MISC)) return 0; log(EVDNS_LOG_DEBUG, "Setting SO_SNDBUF to %s", val); base->so_sndbuf = buf; } return 0; } int evdns_set_option(const char *option, const char *val, int flags) { if (!current_base) current_base = evdns_base_new(NULL, 0); return evdns_base_set_option(current_base, option, val); } static void resolv_conf_parse_line(struct evdns_base *base, char *const start, int flags) { char *strtok_state; static const char *const delims = " \t"; #define NEXT_TOKEN strtok_r(NULL, delims, &strtok_state) char *const first_token = strtok_r(start, delims, &strtok_state); ASSERT_LOCKED(base); if (!first_token) return; if (!strcmp(first_token, "nameserver") && (flags & DNS_OPTION_NAMESERVERS)) { const char *const nameserver = NEXT_TOKEN; if (nameserver) evdns_base_nameserver_ip_add(base, nameserver); } else if (!strcmp(first_token, "domain") && (flags & DNS_OPTION_SEARCH)) { const char *const domain = NEXT_TOKEN; if (domain) { search_postfix_clear(base); search_postfix_add(base, domain); } } else if (!strcmp(first_token, "search") && (flags & DNS_OPTION_SEARCH)) { const char *domain; search_postfix_clear(base); while ((domain = NEXT_TOKEN)) { search_postfix_add(base, domain); } search_reverse(base); } else if (!strcmp(first_token, "options")) { const char *option; while ((option = NEXT_TOKEN)) { const char *val = strchr(option, ':'); evdns_base_set_option_impl(base, option, val ? val+1 : "", flags); } } #undef NEXT_TOKEN } /* exported function */ /* returns: */ /* 0 no errors */ /* 1 failed to open file */ /* 2 failed to stat file */ /* 3 file too large */ /* 4 out of memory */ /* 5 short read from file */ int evdns_base_resolv_conf_parse(struct evdns_base *base, int flags, const char *const filename) { int res; EVDNS_LOCK(base); res = evdns_base_resolv_conf_parse_impl(base, flags, filename); EVDNS_UNLOCK(base); return res; } static char * evdns_get_default_hosts_filename(void) { #ifdef _WIN32 /* Windows is a little coy about where it puts its configuration * files. Sure, they're _usually_ in C:\windows\system32, but * there's no reason in principle they couldn't be in * W:\hoboken chicken emergency\ */ char path[MAX_PATH+1]; static const char hostfile[] = "\\drivers\\etc\\hosts"; char *path_out; size_t len_out; if (! SHGetSpecialFolderPathA(NULL, path, CSIDL_SYSTEM, 0)) return NULL; len_out = strlen(path)+strlen(hostfile)+1; path_out = mm_malloc(len_out); evutil_snprintf(path_out, len_out, "%s%s", path, hostfile); return path_out; #else return mm_strdup("/etc/hosts"); #endif } static int evdns_base_resolv_conf_parse_impl(struct evdns_base *base, int flags, const char *const filename) { size_t n; char *resolv; char *start; int err = 0; int add_default; log(EVDNS_LOG_DEBUG, "Parsing resolv.conf file %s", filename); add_default = flags & DNS_OPTION_NAMESERVERS; if (flags & DNS_OPTION_NAMESERVERS_NO_DEFAULT) add_default = 0; if (flags & DNS_OPTION_HOSTSFILE) { char *fname = evdns_get_default_hosts_filename(); evdns_base_load_hosts(base, fname); if (fname) mm_free(fname); } if (!filename) { evdns_resolv_set_defaults(base, flags); return 1; } if ((err = evutil_read_file_(filename, &resolv, &n, 0)) < 0) { if (err == -1) { /* No file. */ evdns_resolv_set_defaults(base, flags); return 1; } else { return 2; } } start = resolv; for (;;) { char *const newline = strchr(start, '\n'); if (!newline) { resolv_conf_parse_line(base, start, flags); break; } else { *newline = 0; resolv_conf_parse_line(base, start, flags); start = newline + 1; } } if (!base->server_head && add_default) { /* no nameservers were configured. */ evdns_base_nameserver_ip_add(base, "127.0.0.1"); err = 6; } if (flags & DNS_OPTION_SEARCH && (!base->global_search_state || base->global_search_state->num_domains == 0)) { search_set_from_hostname(base); } mm_free(resolv); return err; } int evdns_resolv_conf_parse(int flags, const char *const filename) { if (!current_base) current_base = evdns_base_new(NULL, 0); return evdns_base_resolv_conf_parse(current_base, flags, filename); } #ifdef _WIN32 /* Add multiple nameservers from a space-or-comma-separated list. */ static int evdns_nameserver_ip_add_line(struct evdns_base *base, const char *ips) { const char *addr; char *buf; int r; ASSERT_LOCKED(base); while (*ips) { while (isspace(*ips) || *ips == ',' || *ips == '\t') ++ips; addr = ips; while (isdigit(*ips) || *ips == '.' || *ips == ':' || *ips=='[' || *ips==']') ++ips; buf = mm_malloc(ips-addr+1); if (!buf) return 4; memcpy(buf, addr, ips-addr); buf[ips-addr] = '\0'; r = evdns_base_nameserver_ip_add(base, buf); mm_free(buf); if (r) return r; } return 0; } typedef DWORD(WINAPI *GetNetworkParams_fn_t)(FIXED_INFO *, DWORD*); /* Use the windows GetNetworkParams interface in iphlpapi.dll to */ /* figure out what our nameservers are. */ static int load_nameservers_with_getnetworkparams(struct evdns_base *base) { /* Based on MSDN examples and inspection of c-ares code. */ FIXED_INFO *fixed; HMODULE handle = 0; ULONG size = sizeof(FIXED_INFO); void *buf = NULL; int status = 0, r, added_any; IP_ADDR_STRING *ns; GetNetworkParams_fn_t fn; ASSERT_LOCKED(base); if (!(handle = evutil_load_windows_system_library_( TEXT("iphlpapi.dll")))) { log(EVDNS_LOG_WARN, "Could not open iphlpapi.dll"); status = -1; goto done; } if (!(fn = (GetNetworkParams_fn_t) GetProcAddress(handle, "GetNetworkParams"))) { log(EVDNS_LOG_WARN, "Could not get address of function."); status = -1; goto done; } buf = mm_malloc(size); if (!buf) { status = 4; goto done; } fixed = buf; r = fn(fixed, &size); if (r != ERROR_SUCCESS && r != ERROR_BUFFER_OVERFLOW) { status = -1; goto done; } if (r != ERROR_SUCCESS) { mm_free(buf); buf = mm_malloc(size); if (!buf) { status = 4; goto done; } fixed = buf; r = fn(fixed, &size); if (r != ERROR_SUCCESS) { log(EVDNS_LOG_DEBUG, "fn() failed."); status = -1; goto done; } } EVUTIL_ASSERT(fixed); added_any = 0; ns = &(fixed->DnsServerList); while (ns) { r = evdns_nameserver_ip_add_line(base, ns->IpAddress.String); if (r) { log(EVDNS_LOG_DEBUG,"Could not add nameserver %s to list,error: %d", (ns->IpAddress.String),(int)GetLastError()); status = r; } else { ++added_any; log(EVDNS_LOG_DEBUG,"Successfully added %s as nameserver",ns->IpAddress.String); } ns = ns->Next; } if (!added_any) { log(EVDNS_LOG_DEBUG, "No nameservers added."); if (status == 0) status = -1; } else { status = 0; } done: if (buf) mm_free(buf); if (handle) FreeLibrary(handle); return status; } static int config_nameserver_from_reg_key(struct evdns_base *base, HKEY key, const TCHAR *subkey) { char *buf; DWORD bufsz = 0, type = 0; int status = 0; ASSERT_LOCKED(base); if (RegQueryValueEx(key, subkey, 0, &type, NULL, &bufsz) != ERROR_MORE_DATA) return -1; if (!(buf = mm_malloc(bufsz))) return -1; if (RegQueryValueEx(key, subkey, 0, &type, (LPBYTE)buf, &bufsz) == ERROR_SUCCESS && bufsz > 1) { status = evdns_nameserver_ip_add_line(base,buf); } mm_free(buf); return status; } #define SERVICES_KEY TEXT("System\\CurrentControlSet\\Services\\") #define WIN_NS_9X_KEY SERVICES_KEY TEXT("VxD\\MSTCP") #define WIN_NS_NT_KEY SERVICES_KEY TEXT("Tcpip\\Parameters") static int load_nameservers_from_registry(struct evdns_base *base) { int found = 0; int r; #define TRY(k, name) \ if (!found && config_nameserver_from_reg_key(base,k,TEXT(name)) == 0) { \ log(EVDNS_LOG_DEBUG,"Found nameservers in %s/%s",#k,name); \ found = 1; \ } else if (!found) { \ log(EVDNS_LOG_DEBUG,"Didn't find nameservers in %s/%s", \ #k,#name); \ } ASSERT_LOCKED(base); if (((int)GetVersion()) > 0) { /* NT */ HKEY nt_key = 0, interfaces_key = 0; if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, WIN_NS_NT_KEY, 0, KEY_READ, &nt_key) != ERROR_SUCCESS) { log(EVDNS_LOG_DEBUG,"Couldn't open nt key, %d",(int)GetLastError()); return -1; } r = RegOpenKeyEx(nt_key, TEXT("Interfaces"), 0, KEY_QUERY_VALUE|KEY_ENUMERATE_SUB_KEYS, &interfaces_key); if (r != ERROR_SUCCESS) { log(EVDNS_LOG_DEBUG,"Couldn't open interfaces key, %d",(int)GetLastError()); return -1; } TRY(nt_key, "NameServer"); TRY(nt_key, "DhcpNameServer"); TRY(interfaces_key, "NameServer"); TRY(interfaces_key, "DhcpNameServer"); RegCloseKey(interfaces_key); RegCloseKey(nt_key); } else { HKEY win_key = 0; if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, WIN_NS_9X_KEY, 0, KEY_READ, &win_key) != ERROR_SUCCESS) { log(EVDNS_LOG_DEBUG, "Couldn't open registry key, %d", (int)GetLastError()); return -1; } TRY(win_key, "NameServer"); RegCloseKey(win_key); } if (found == 0) { log(EVDNS_LOG_WARN,"Didn't find any nameservers."); } return found ? 0 : -1; #undef TRY } int evdns_base_config_windows_nameservers(struct evdns_base *base) { int r; char *fname; if (base == NULL) base = current_base; if (base == NULL) return -1; EVDNS_LOCK(base); fname = evdns_get_default_hosts_filename(); log(EVDNS_LOG_DEBUG, "Loading hosts entries from %s", fname); evdns_base_load_hosts(base, fname); if (fname) mm_free(fname); if (load_nameservers_with_getnetworkparams(base) == 0) { EVDNS_UNLOCK(base); return 0; } r = load_nameservers_from_registry(base); EVDNS_UNLOCK(base); return r; } int evdns_config_windows_nameservers(void) { if (!current_base) { current_base = evdns_base_new(NULL, 1); return current_base == NULL ? -1 : 0; } else { return evdns_base_config_windows_nameservers(current_base); } } #endif struct evdns_base * evdns_base_new(struct event_base *event_base, int flags) { struct evdns_base *base; if (evutil_secure_rng_init() < 0) { log(EVDNS_LOG_WARN, "Unable to seed random number generator; " "DNS can't run."); return NULL; } /* Give the evutil library a hook into its evdns-enabled * functionality. We can't just call evdns_getaddrinfo directly or * else libevent-core will depend on libevent-extras. */ evutil_set_evdns_getaddrinfo_fn_(evdns_getaddrinfo); evutil_set_evdns_getaddrinfo_cancel_fn_(evdns_getaddrinfo_cancel); base = mm_malloc(sizeof(struct evdns_base)); if (base == NULL) return (NULL); memset(base, 0, sizeof(struct evdns_base)); base->req_waiting_head = NULL; EVTHREAD_ALLOC_LOCK(base->lock, EVTHREAD_LOCKTYPE_RECURSIVE); EVDNS_LOCK(base); /* Set max requests inflight and allocate req_heads. */ base->req_heads = NULL; evdns_base_set_max_requests_inflight(base, 64); base->server_head = NULL; base->event_base = event_base; base->global_good_nameservers = base->global_requests_inflight = base->global_requests_waiting = 0; base->global_timeout.tv_sec = 5; base->global_timeout.tv_usec = 0; base->global_max_reissues = 1; base->global_max_retransmits = 3; base->global_max_nameserver_timeout = 3; base->global_search_state = NULL; base->global_randomize_case = 1; base->global_getaddrinfo_allow_skew.tv_sec = 3; base->global_getaddrinfo_allow_skew.tv_usec = 0; base->global_nameserver_probe_initial_timeout.tv_sec = 10; base->global_nameserver_probe_initial_timeout.tv_usec = 0; TAILQ_INIT(&base->hostsdb); #define EVDNS_BASE_ALL_FLAGS ( \ EVDNS_BASE_INITIALIZE_NAMESERVERS | \ EVDNS_BASE_DISABLE_WHEN_INACTIVE | \ EVDNS_BASE_NAMESERVERS_NO_DEFAULT | \ 0) if (flags & ~EVDNS_BASE_ALL_FLAGS) { flags = EVDNS_BASE_INITIALIZE_NAMESERVERS; log(EVDNS_LOG_WARN, "Unrecognized flag passed to evdns_base_new(). Assuming " "you meant EVDNS_BASE_INITIALIZE_NAMESERVERS."); } #undef EVDNS_BASE_ALL_FLAGS if (flags & EVDNS_BASE_INITIALIZE_NAMESERVERS) { int r; int opts = DNS_OPTIONS_ALL; if (flags & EVDNS_BASE_NAMESERVERS_NO_DEFAULT) { opts |= DNS_OPTION_NAMESERVERS_NO_DEFAULT; } #ifdef _WIN32 r = evdns_base_config_windows_nameservers(base); #else r = evdns_base_resolv_conf_parse(base, opts, "/etc/resolv.conf"); #endif if (r) { evdns_base_free_and_unlock(base, 0); return NULL; } } if (flags & EVDNS_BASE_DISABLE_WHEN_INACTIVE) { base->disable_when_inactive = 1; } EVDNS_UNLOCK(base); return base; } int evdns_init(void) { struct evdns_base *base = evdns_base_new(NULL, 1); if (base) { current_base = base; return 0; } else { return -1; } } const char * evdns_err_to_string(int err) { switch (err) { case DNS_ERR_NONE: return "no error"; case DNS_ERR_FORMAT: return "misformatted query"; case DNS_ERR_SERVERFAILED: return "server failed"; case DNS_ERR_NOTEXIST: return "name does not exist"; case DNS_ERR_NOTIMPL: return "query not implemented"; case DNS_ERR_REFUSED: return "refused"; case DNS_ERR_TRUNCATED: return "reply truncated or ill-formed"; case DNS_ERR_UNKNOWN: return "unknown"; case DNS_ERR_TIMEOUT: return "request timed out"; case DNS_ERR_SHUTDOWN: return "dns subsystem shut down"; case DNS_ERR_CANCEL: return "dns request canceled"; case DNS_ERR_NODATA: return "no records in the reply"; default: return "[Unknown error code]"; } } static void evdns_nameserver_free(struct nameserver *server) { if (server->socket >= 0) evutil_closesocket(server->socket); (void) event_del(&server->event); event_debug_unassign(&server->event); if (server->state == 0) (void) event_del(&server->timeout_event); if (server->probe_request) { evdns_cancel_request(server->base, server->probe_request); server->probe_request = NULL; } event_debug_unassign(&server->timeout_event); mm_free(server); } static void evdns_base_free_and_unlock(struct evdns_base *base, int fail_requests) { struct nameserver *server, *server_next; struct search_domain *dom, *dom_next; int i; /* Requires that we hold the lock. */ /* TODO(nickm) we might need to refcount here. */ while (base->req_waiting_head) { if (fail_requests) reply_schedule_callback(base->req_waiting_head, 0, DNS_ERR_SHUTDOWN, NULL); request_finished(base->req_waiting_head, &base->req_waiting_head, 1); } for (i = 0; i < base->n_req_heads; ++i) { while (base->req_heads[i]) { if (fail_requests) reply_schedule_callback(base->req_heads[i], 0, DNS_ERR_SHUTDOWN, NULL); request_finished(base->req_heads[i], &REQ_HEAD(base, base->req_heads[i]->trans_id), 1); } } base->global_requests_inflight = base->global_requests_waiting = 0; for (server = base->server_head; server; server = server_next) { server_next = server->next; /** already done something before */ server->probe_request = NULL; evdns_nameserver_free(server); if (server_next == base->server_head) break; } base->server_head = NULL; base->global_good_nameservers = 0; if (base->global_search_state) { for (dom = base->global_search_state->head; dom; dom = dom_next) { dom_next = dom->next; mm_free(dom); } mm_free(base->global_search_state); base->global_search_state = NULL; } { struct hosts_entry *victim; while ((victim = TAILQ_FIRST(&base->hostsdb))) { TAILQ_REMOVE(&base->hostsdb, victim, next); mm_free(victim); } } mm_free(base->req_heads); EVDNS_UNLOCK(base); EVTHREAD_FREE_LOCK(base->lock, EVTHREAD_LOCKTYPE_RECURSIVE); mm_free(base); } void evdns_base_free(struct evdns_base *base, int fail_requests) { EVDNS_LOCK(base); evdns_base_free_and_unlock(base, fail_requests); } void evdns_base_clear_host_addresses(struct evdns_base *base) { struct hosts_entry *victim; EVDNS_LOCK(base); while ((victim = TAILQ_FIRST(&base->hostsdb))) { TAILQ_REMOVE(&base->hostsdb, victim, next); mm_free(victim); } EVDNS_UNLOCK(base); } void evdns_shutdown(int fail_requests) { if (current_base) { struct evdns_base *b = current_base; current_base = NULL; evdns_base_free(b, fail_requests); } evdns_log_fn = NULL; } static int evdns_base_parse_hosts_line(struct evdns_base *base, char *line) { char *strtok_state; static const char *const delims = " \t"; char *const addr = strtok_r(line, delims, &strtok_state); char *hostname, *hash; struct sockaddr_storage ss; int socklen = sizeof(ss); ASSERT_LOCKED(base); #define NEXT_TOKEN strtok_r(NULL, delims, &strtok_state) if (!addr || *addr == '#') return 0; memset(&ss, 0, sizeof(ss)); if (evutil_parse_sockaddr_port(addr, (struct sockaddr*)&ss, &socklen)<0) return -1; if (socklen > (int)sizeof(struct sockaddr_in6)) return -1; if (sockaddr_getport((struct sockaddr*)&ss)) return -1; while ((hostname = NEXT_TOKEN)) { struct hosts_entry *he; size_t namelen; if ((hash = strchr(hostname, '#'))) { if (hash == hostname) return 0; *hash = '\0'; } namelen = strlen(hostname); he = mm_calloc(1, sizeof(struct hosts_entry)+namelen); if (!he) return -1; EVUTIL_ASSERT(socklen <= (int)sizeof(he->addr)); memcpy(&he->addr, &ss, socklen); memcpy(he->hostname, hostname, namelen+1); he->addrlen = socklen; TAILQ_INSERT_TAIL(&base->hostsdb, he, next); if (hash) return 0; } return 0; #undef NEXT_TOKEN } static int evdns_base_load_hosts_impl(struct evdns_base *base, const char *hosts_fname) { char *str=NULL, *cp, *eol; size_t len; int err=0; ASSERT_LOCKED(base); if (hosts_fname == NULL || (err = evutil_read_file_(hosts_fname, &str, &len, 0)) < 0) { char tmp[64]; strlcpy(tmp, "127.0.0.1 localhost", sizeof(tmp)); evdns_base_parse_hosts_line(base, tmp); strlcpy(tmp, "::1 localhost", sizeof(tmp)); evdns_base_parse_hosts_line(base, tmp); return err ? -1 : 0; } /* This will break early if there is a NUL in the hosts file. * Probably not a problem.*/ cp = str; for (;;) { eol = strchr(cp, '\n'); if (eol) { *eol = '\0'; evdns_base_parse_hosts_line(base, cp); cp = eol+1; } else { evdns_base_parse_hosts_line(base, cp); break; } } mm_free(str); return 0; } int evdns_base_load_hosts(struct evdns_base *base, const char *hosts_fname) { int res; if (!base) base = current_base; EVDNS_LOCK(base); res = evdns_base_load_hosts_impl(base, hosts_fname); EVDNS_UNLOCK(base); return res; } /* A single request for a getaddrinfo, either v4 or v6. */ struct getaddrinfo_subrequest { struct evdns_request *r; ev_uint32_t type; }; /* State data used to implement an in-progress getaddrinfo. */ struct evdns_getaddrinfo_request { struct evdns_base *evdns_base; /* Copy of the modified 'hints' data that we'll use to build * answers. */ struct evutil_addrinfo hints; /* The callback to invoke when we're done */ evdns_getaddrinfo_cb user_cb; /* User-supplied data to give to the callback. */ void *user_data; /* The port to use when building sockaddrs. */ ev_uint16_t port; /* The sub_request for an A record (if any) */ struct getaddrinfo_subrequest ipv4_request; /* The sub_request for an AAAA record (if any) */ struct getaddrinfo_subrequest ipv6_request; /* The cname result that we were told (if any) */ char *cname_result; /* If we have one request answered and one request still inflight, * then this field holds the answer from the first request... */ struct evutil_addrinfo *pending_result; /* And this event is a timeout that will tell us to cancel the second * request if it's taking a long time. */ struct event timeout; /* And this field holds the error code from the first request... */ int pending_error; /* If this is set, the user canceled this request. */ unsigned user_canceled : 1; /* If this is set, the user can no longer cancel this request; we're * just waiting for the free. */ unsigned request_done : 1; }; /* Convert an evdns errors to the equivalent getaddrinfo error. */ static int evdns_err_to_getaddrinfo_err(int e1) { /* XXX Do this better! */ if (e1 == DNS_ERR_NONE) return 0; else if (e1 == DNS_ERR_NOTEXIST) return EVUTIL_EAI_NONAME; else return EVUTIL_EAI_FAIL; } /* Return the more informative of two getaddrinfo errors. */ static int getaddrinfo_merge_err(int e1, int e2) { /* XXXX be cleverer here. */ if (e1 == 0) return e2; else return e1; } static void free_getaddrinfo_request(struct evdns_getaddrinfo_request *data) { /* DO NOT CALL this if either of the requests is pending. Only once * both callbacks have been invoked is it safe to free the request */ if (data->pending_result) evutil_freeaddrinfo(data->pending_result); if (data->cname_result) mm_free(data->cname_result); event_del(&data->timeout); mm_free(data); return; } static void add_cname_to_reply(struct evdns_getaddrinfo_request *data, struct evutil_addrinfo *ai) { if (data->cname_result && ai) { ai->ai_canonname = data->cname_result; data->cname_result = NULL; } } /* Callback: invoked when one request in a mixed-format A/AAAA getaddrinfo * request has finished, but the other one took too long to answer. Pass * along the answer we got, and cancel the other request. */ static void evdns_getaddrinfo_timeout_cb(evutil_socket_t fd, short what, void *ptr) { int v4_timedout = 0, v6_timedout = 0; struct evdns_getaddrinfo_request *data = ptr; /* Cancel any pending requests, and note which one */ if (data->ipv4_request.r) { /* XXXX This does nothing if the request's callback is already * running (pending_cb is set). */ evdns_cancel_request(NULL, data->ipv4_request.r); v4_timedout = 1; EVDNS_LOCK(data->evdns_base); ++data->evdns_base->getaddrinfo_ipv4_timeouts; EVDNS_UNLOCK(data->evdns_base); } if (data->ipv6_request.r) { /* XXXX This does nothing if the request's callback is already * running (pending_cb is set). */ evdns_cancel_request(NULL, data->ipv6_request.r); v6_timedout = 1; EVDNS_LOCK(data->evdns_base); ++data->evdns_base->getaddrinfo_ipv6_timeouts; EVDNS_UNLOCK(data->evdns_base); } /* We only use this timeout callback when we have an answer for * one address. */ EVUTIL_ASSERT(!v4_timedout || !v6_timedout); /* Report the outcome of the other request that didn't time out. */ if (data->pending_result) { add_cname_to_reply(data, data->pending_result); data->user_cb(0, data->pending_result, data->user_data); data->pending_result = NULL; } else { int e = data->pending_error; if (!e) e = EVUTIL_EAI_AGAIN; data->user_cb(e, NULL, data->user_data); } data->user_cb = NULL; /* prevent double-call if evdns callbacks are * in-progress. XXXX It would be better if this * weren't necessary. */ if (!v4_timedout && !v6_timedout) { /* should be impossible? XXXX */ free_getaddrinfo_request(data); } } static int evdns_getaddrinfo_set_timeout(struct evdns_base *evdns_base, struct evdns_getaddrinfo_request *data) { return event_add(&data->timeout, &evdns_base->global_getaddrinfo_allow_skew); } static inline int evdns_result_is_answer(int result) { return (result != DNS_ERR_NOTIMPL && result != DNS_ERR_REFUSED && result != DNS_ERR_SERVERFAILED && result != DNS_ERR_CANCEL); } static void evdns_getaddrinfo_gotresolve(int result, char type, int count, int ttl, void *addresses, void *arg) { int i; struct getaddrinfo_subrequest *req = arg; struct getaddrinfo_subrequest *other_req; struct evdns_getaddrinfo_request *data; struct evutil_addrinfo *res; struct sockaddr_in sin; struct sockaddr_in6 sin6; struct sockaddr *sa; int socklen, addrlen; void *addrp; int err; int user_canceled; EVUTIL_ASSERT(req->type == DNS_IPv4_A || req->type == DNS_IPv6_AAAA); if (req->type == DNS_IPv4_A) { data = EVUTIL_UPCAST(req, struct evdns_getaddrinfo_request, ipv4_request); other_req = &data->ipv6_request; } else { data = EVUTIL_UPCAST(req, struct evdns_getaddrinfo_request, ipv6_request); other_req = &data->ipv4_request; } /** Called from evdns_base_free() with @fail_requests == 1 */ if (result != DNS_ERR_SHUTDOWN) { EVDNS_LOCK(data->evdns_base); if (evdns_result_is_answer(result)) { if (req->type == DNS_IPv4_A) ++data->evdns_base->getaddrinfo_ipv4_answered; else ++data->evdns_base->getaddrinfo_ipv6_answered; } user_canceled = data->user_canceled; if (other_req->r == NULL) data->request_done = 1; EVDNS_UNLOCK(data->evdns_base); } else { data->evdns_base = NULL; user_canceled = data->user_canceled; } req->r = NULL; if (result == DNS_ERR_CANCEL && ! user_canceled) { /* Internal cancel request from timeout or internal error. * we already answered the user. */ if (other_req->r == NULL) free_getaddrinfo_request(data); return; } if (data->user_cb == NULL) { /* We already answered. XXXX This shouldn't be needed; see * comments in evdns_getaddrinfo_timeout_cb */ free_getaddrinfo_request(data); return; } if (result == DNS_ERR_NONE) { if (count == 0) err = EVUTIL_EAI_NODATA; else err = 0; } else { err = evdns_err_to_getaddrinfo_err(result); } if (err) { /* Looks like we got an error. */ if (other_req->r) { /* The other request is still working; maybe it will * succeed. */ /* XXXX handle failure from set_timeout */ if (result != DNS_ERR_SHUTDOWN) { evdns_getaddrinfo_set_timeout(data->evdns_base, data); } data->pending_error = err; return; } if (user_canceled) { data->user_cb(EVUTIL_EAI_CANCEL, NULL, data->user_data); } else if (data->pending_result) { /* If we have an answer waiting, and we weren't * canceled, ignore this error. */ add_cname_to_reply(data, data->pending_result); data->user_cb(0, data->pending_result, data->user_data); data->pending_result = NULL; } else { if (data->pending_error) err = getaddrinfo_merge_err(err, data->pending_error); data->user_cb(err, NULL, data->user_data); } free_getaddrinfo_request(data); return; } else if (user_canceled) { if (other_req->r) { /* The other request is still working; let it hit this * callback with EVUTIL_EAI_CANCEL callback and report * the failure. */ return; } data->user_cb(EVUTIL_EAI_CANCEL, NULL, data->user_data); free_getaddrinfo_request(data); return; } /* Looks like we got some answers. We should turn them into addrinfos * and then either queue those or return them all. */ EVUTIL_ASSERT(type == DNS_IPv4_A || type == DNS_IPv6_AAAA); if (type == DNS_IPv4_A) { memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_port = htons(data->port); sa = (struct sockaddr *)&sin; socklen = sizeof(sin); addrlen = 4; addrp = &sin.sin_addr.s_addr; } else { memset(&sin6, 0, sizeof(sin6)); sin6.sin6_family = AF_INET6; sin6.sin6_port = htons(data->port); sa = (struct sockaddr *)&sin6; socklen = sizeof(sin6); addrlen = 16; addrp = &sin6.sin6_addr.s6_addr; } res = NULL; for (i=0; i < count; ++i) { struct evutil_addrinfo *ai; memcpy(addrp, ((char*)addresses)+i*addrlen, addrlen); ai = evutil_new_addrinfo_(sa, socklen, &data->hints); if (!ai) { if (other_req->r) { evdns_cancel_request(NULL, other_req->r); } data->user_cb(EVUTIL_EAI_MEMORY, NULL, data->user_data); if (res) evutil_freeaddrinfo(res); if (other_req->r == NULL) free_getaddrinfo_request(data); return; } res = evutil_addrinfo_append_(res, ai); } if (other_req->r) { /* The other request is still in progress; wait for it */ /* XXXX handle failure from set_timeout */ evdns_getaddrinfo_set_timeout(data->evdns_base, data); data->pending_result = res; return; } else { /* The other request is done or never started; append its * results (if any) and return them. */ if (data->pending_result) { if (req->type == DNS_IPv4_A) res = evutil_addrinfo_append_(res, data->pending_result); else res = evutil_addrinfo_append_( data->pending_result, res); data->pending_result = NULL; } /* Call the user callback. */ add_cname_to_reply(data, res); data->user_cb(0, res, data->user_data); /* Free data. */ free_getaddrinfo_request(data); } } static struct hosts_entry * find_hosts_entry(struct evdns_base *base, const char *hostname, struct hosts_entry *find_after) { struct hosts_entry *e; if (find_after) e = TAILQ_NEXT(find_after, next); else e = TAILQ_FIRST(&base->hostsdb); for (; e; e = TAILQ_NEXT(e, next)) { if (!evutil_ascii_strcasecmp(e->hostname, hostname)) return e; } return NULL; } static int evdns_getaddrinfo_fromhosts(struct evdns_base *base, const char *nodename, struct evutil_addrinfo *hints, ev_uint16_t port, struct evutil_addrinfo **res) { int n_found = 0; struct hosts_entry *e; struct evutil_addrinfo *ai=NULL; int f = hints->ai_family; EVDNS_LOCK(base); for (e = find_hosts_entry(base, nodename, NULL); e; e = find_hosts_entry(base, nodename, e)) { struct evutil_addrinfo *ai_new; ++n_found; if ((e->addr.sa.sa_family == AF_INET && f == PF_INET6) || (e->addr.sa.sa_family == AF_INET6 && f == PF_INET)) continue; ai_new = evutil_new_addrinfo_(&e->addr.sa, e->addrlen, hints); if (!ai_new) { n_found = 0; goto out; } sockaddr_setport(ai_new->ai_addr, port); ai = evutil_addrinfo_append_(ai, ai_new); } EVDNS_UNLOCK(base); out: if (n_found) { /* Note that we return an empty answer if we found entries for * this hostname but none were of the right address type. */ *res = ai; return 0; } else { if (ai) evutil_freeaddrinfo(ai); return -1; } } struct evdns_getaddrinfo_request * evdns_getaddrinfo(struct evdns_base *dns_base, const char *nodename, const char *servname, const struct evutil_addrinfo *hints_in, evdns_getaddrinfo_cb cb, void *arg) { struct evdns_getaddrinfo_request *data; struct evutil_addrinfo hints; struct evutil_addrinfo *res = NULL; int err; int port = 0; int want_cname = 0; int started = 0; if (!dns_base) { dns_base = current_base; if (!dns_base) { log(EVDNS_LOG_WARN, "Call to getaddrinfo_async with no " "evdns_base configured."); cb(EVUTIL_EAI_FAIL, NULL, arg); /* ??? better error? */ return NULL; } } /* If we _must_ answer this immediately, do so. */ if ((hints_in && (hints_in->ai_flags & EVUTIL_AI_NUMERICHOST))) { res = NULL; err = evutil_getaddrinfo(nodename, servname, hints_in, &res); cb(err, res, arg); return NULL; } if (hints_in) { memcpy(&hints, hints_in, sizeof(hints)); } else { memset(&hints, 0, sizeof(hints)); hints.ai_family = PF_UNSPEC; } evutil_adjust_hints_for_addrconfig_(&hints); /* Now try to see if we _can_ answer immediately. */ /* (It would be nice to do this by calling getaddrinfo directly, with * AI_NUMERICHOST, on plaforms that have it, but we can't: there isn't * a reliable way to distinguish the "that wasn't a numeric host!" case * from any other EAI_NONAME cases.) */ err = evutil_getaddrinfo_common_(nodename, servname, &hints, &res, &port); if (err != EVUTIL_EAI_NEED_RESOLVE) { cb(err, res, arg); return NULL; } /* If there is an entry in the hosts file, we should give it now. */ if (!evdns_getaddrinfo_fromhosts(dns_base, nodename, &hints, port, &res)) { cb(0, res, arg); return NULL; } /* Okay, things are serious now. We're going to need to actually * launch a request. */ data = mm_calloc(1,sizeof(struct evdns_getaddrinfo_request)); if (!data) { cb(EVUTIL_EAI_MEMORY, NULL, arg); return NULL; } memcpy(&data->hints, &hints, sizeof(data->hints)); data->port = (ev_uint16_t)port; data->ipv4_request.type = DNS_IPv4_A; data->ipv6_request.type = DNS_IPv6_AAAA; data->user_cb = cb; data->user_data = arg; data->evdns_base = dns_base; want_cname = (hints.ai_flags & EVUTIL_AI_CANONNAME); /* If we are asked for a PF_UNSPEC address, we launch two requests in * parallel: one for an A address and one for an AAAA address. We * can't send just one request, since many servers only answer one * question per DNS request. * * Once we have the answer to one request, we allow for a short * timeout before we report it, to see if the other one arrives. If * they both show up in time, then we report both the answers. * * If too many addresses of one type time out or fail, we should stop * launching those requests. (XXX we don't do that yet.) */ EVDNS_LOCK(dns_base); if (hints.ai_family != PF_INET6) { log(EVDNS_LOG_DEBUG, "Sending request for %s on ipv4 as %p", nodename, &data->ipv4_request); data->ipv4_request.r = evdns_base_resolve_ipv4(dns_base, nodename, 0, evdns_getaddrinfo_gotresolve, &data->ipv4_request); if (want_cname && data->ipv4_request.r) data->ipv4_request.r->current_req->put_cname_in_ptr = &data->cname_result; } if (hints.ai_family != PF_INET) { log(EVDNS_LOG_DEBUG, "Sending request for %s on ipv6 as %p", nodename, &data->ipv6_request); data->ipv6_request.r = evdns_base_resolve_ipv6(dns_base, nodename, 0, evdns_getaddrinfo_gotresolve, &data->ipv6_request); if (want_cname && data->ipv6_request.r) data->ipv6_request.r->current_req->put_cname_in_ptr = &data->cname_result; } evtimer_assign(&data->timeout, dns_base->event_base, evdns_getaddrinfo_timeout_cb, data); started = (data->ipv4_request.r || data->ipv6_request.r); EVDNS_UNLOCK(dns_base); if (started) { return data; } else { mm_free(data); cb(EVUTIL_EAI_FAIL, NULL, arg); return NULL; } } void evdns_getaddrinfo_cancel(struct evdns_getaddrinfo_request *data) { EVDNS_LOCK(data->evdns_base); if (data->request_done) { EVDNS_UNLOCK(data->evdns_base); return; } event_del(&data->timeout); data->user_canceled = 1; if (data->ipv4_request.r) evdns_cancel_request(data->evdns_base, data->ipv4_request.r); if (data->ipv6_request.r) evdns_cancel_request(data->evdns_base, data->ipv6_request.r); EVDNS_UNLOCK(data->evdns_base); } lldpd-1.0.18/libevent/evbuffer-internal.h0000644000076400001440000003100614111362570017535 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVBUFFER_INTERNAL_H_INCLUDED_ #define EVBUFFER_INTERNAL_H_INCLUDED_ #ifdef __cplusplus extern "C" { #endif #include "event2/event-config.h" #include "evconfig-private.h" #include "event2/util.h" #include "event2/event_struct.h" #include "util-internal.h" #include "defer-internal.h" /* Experimental cb flag: "never deferred." Implementation note: * these callbacks may get an inaccurate view of n_del/n_added in their * arguments. */ #define EVBUFFER_CB_NODEFER 2 #ifdef _WIN32 #include #endif #include /* Minimum allocation for a chain. We define this so that we're burning no * more than 5% of each allocation on overhead. It would be nice to lose even * less space, though. */ #if EVENT__SIZEOF_VOID_P < 8 #define MIN_BUFFER_SIZE 512 #else #define MIN_BUFFER_SIZE 1024 #endif /** A single evbuffer callback for an evbuffer. This function will be invoked * when bytes are added to or removed from the evbuffer. */ struct evbuffer_cb_entry { /** Structures to implement a doubly-linked queue of callbacks */ LIST_ENTRY(evbuffer_cb_entry) next; /** The callback function to invoke when this callback is called. If EVBUFFER_CB_OBSOLETE is set in flags, the cb_obsolete field is valid; otherwise, cb_func is valid. */ union { evbuffer_cb_func cb_func; evbuffer_cb cb_obsolete; } cb; /** Argument to pass to cb. */ void *cbarg; /** Currently set flags on this callback. */ ev_uint32_t flags; }; struct bufferevent; struct evbuffer_chain; struct evbuffer { /** The first chain in this buffer's linked list of chains. */ struct evbuffer_chain *first; /** The last chain in this buffer's linked list of chains. */ struct evbuffer_chain *last; /** Pointer to the next pointer pointing at the 'last_with_data' chain. * * To unpack: * * The last_with_data chain is the last chain that has any data in it. * If all chains in the buffer are empty, it is the first chain. * If the buffer has no chains, it is NULL. * * The last_with_datap pointer points at _whatever 'next' pointer_ * pointing at the last_with_data chain. If the last_with_data chain * is the first chain, or it is NULL, then the last_with_datap pointer * is &buf->first. */ struct evbuffer_chain **last_with_datap; /** Total amount of bytes stored in all chains.*/ size_t total_len; /** Number of bytes we have added to the buffer since we last tried to * invoke callbacks. */ size_t n_add_for_cb; /** Number of bytes we have removed from the buffer since we last * tried to invoke callbacks. */ size_t n_del_for_cb; #ifndef EVENT__DISABLE_THREAD_SUPPORT /** A lock used to mediate access to this buffer. */ void *lock; #endif /** True iff we should free the lock field when we free this * evbuffer. */ unsigned own_lock : 1; /** True iff we should not allow changes to the front of the buffer * (drains or prepends). */ unsigned freeze_start : 1; /** True iff we should not allow changes to the end of the buffer * (appends) */ unsigned freeze_end : 1; /** True iff this evbuffer's callbacks are not invoked immediately * upon a change in the buffer, but instead are deferred to be invoked * from the event_base's loop. Useful for preventing enormous stack * overflows when we have mutually recursive callbacks, and for * serializing callbacks in a single thread. */ unsigned deferred_cbs : 1; #ifdef _WIN32 /** True iff this buffer is set up for overlapped IO. */ unsigned is_overlapped : 1; #endif /** Zero or more EVBUFFER_FLAG_* bits */ ev_uint32_t flags; /** Used to implement deferred callbacks. */ struct event_base *cb_queue; /** A reference count on this evbuffer. When the reference count * reaches 0, the buffer is destroyed. Manipulated with * evbuffer_incref and evbuffer_decref_and_unlock and * evbuffer_free. */ int refcnt; /** A struct event_callback handle to make all of this buffer's callbacks * invoked from the event loop. */ struct event_callback deferred; /** A doubly-linked-list of callback functions */ LIST_HEAD(evbuffer_cb_queue, evbuffer_cb_entry) callbacks; /** The parent bufferevent object this evbuffer belongs to. * NULL if the evbuffer stands alone. */ struct bufferevent *parent; }; #if EVENT__SIZEOF_OFF_T < EVENT__SIZEOF_SIZE_T typedef ev_ssize_t ev_misalign_t; #define EVBUFFER_CHAIN_MAX ((size_t)EV_SSIZE_MAX) #else typedef ev_off_t ev_misalign_t; #if EVENT__SIZEOF_OFF_T > EVENT__SIZEOF_SIZE_T #define EVBUFFER_CHAIN_MAX EV_SIZE_MAX #else #define EVBUFFER_CHAIN_MAX ((size_t)EV_SSIZE_MAX) #endif #endif /** A single item in an evbuffer. */ struct evbuffer_chain { /** points to next buffer in the chain */ struct evbuffer_chain *next; /** total allocation available in the buffer field. */ size_t buffer_len; /** unused space at the beginning of buffer or an offset into a * file for sendfile buffers. */ ev_misalign_t misalign; /** Offset into buffer + misalign at which to start writing. * In other words, the total number of bytes actually stored * in buffer. */ size_t off; /** Set if special handling is required for this chain */ unsigned flags; #define EVBUFFER_FILESEGMENT 0x0001 /**< A chain used for a file segment */ #define EVBUFFER_SENDFILE 0x0002 /**< a chain used with sendfile */ #define EVBUFFER_REFERENCE 0x0004 /**< a chain with a mem reference */ #define EVBUFFER_IMMUTABLE 0x0008 /**< read-only chain */ /** a chain that mustn't be reallocated or freed, or have its contents * memmoved, until the chain is un-pinned. */ #define EVBUFFER_MEM_PINNED_R 0x0010 #define EVBUFFER_MEM_PINNED_W 0x0020 #define EVBUFFER_MEM_PINNED_ANY (EVBUFFER_MEM_PINNED_R|EVBUFFER_MEM_PINNED_W) /** a chain that should be freed, but can't be freed until it is * un-pinned. */ #define EVBUFFER_DANGLING 0x0040 /** a chain that is a referenced copy of another chain */ #define EVBUFFER_MULTICAST 0x0080 /** number of references to this chain */ int refcnt; /** Usually points to the read-write memory belonging to this * buffer allocated as part of the evbuffer_chain allocation. * For mmap, this can be a read-only buffer and * EVBUFFER_IMMUTABLE will be set in flags. For sendfile, it * may point to NULL. */ unsigned char *buffer; }; /** callback for a reference chain; lets us know what to do with it when * we're done with it. Lives at the end of an evbuffer_chain with the * EVBUFFER_REFERENCE flag set */ struct evbuffer_chain_reference { evbuffer_ref_cleanup_cb cleanupfn; void *extra; }; /** File segment for a file-segment chain. Lives at the end of an * evbuffer_chain with the EVBUFFER_FILESEGMENT flag set. */ struct evbuffer_chain_file_segment { struct evbuffer_file_segment *segment; #ifdef _WIN32 /** If we're using CreateFileMapping, this is the handle to the view. */ HANDLE view_handle; #endif }; /* Declared in event2/buffer.h; defined here. */ struct evbuffer_file_segment { void *lock; /**< lock prevent concurrent access to refcnt */ int refcnt; /**< Reference count for this file segment */ unsigned flags; /**< combination of EVBUF_FS_* flags */ /** What kind of file segment is this? */ unsigned can_sendfile : 1; unsigned is_mapping : 1; /** The fd that we read the data from. */ int fd; /** If we're using mmap, this is the raw mapped memory. */ void *mapping; #ifdef _WIN32 /** If we're using CreateFileMapping, this is the mapping */ HANDLE mapping_handle; #endif /** If we're using mmap or IO, this is the content of the file * segment. */ char *contents; /** Position of this segment within the file. */ ev_off_t file_offset; /** If we're using mmap, this is the offset within 'mapping' where * this data segment begins. */ ev_off_t mmap_offset; /** The length of this segment. */ ev_off_t length; /** Cleanup callback function */ evbuffer_file_segment_cleanup_cb cleanup_cb; /** Argument to be pass to cleanup callback function */ void *cleanup_cb_arg; }; /** Information about the multicast parent of a chain. Lives at the * end of an evbuffer_chain with the EVBUFFER_MULTICAST flag set. */ struct evbuffer_multicast_parent { /** source buffer the multicast parent belongs to */ struct evbuffer *source; /** multicast parent for this chain */ struct evbuffer_chain *parent; }; #define EVBUFFER_CHAIN_SIZE sizeof(struct evbuffer_chain) /** Return a pointer to extra data allocated along with an evbuffer. */ #define EVBUFFER_CHAIN_EXTRA(t, c) (t *)((struct evbuffer_chain *)(c) + 1) /** Assert that we are holding the lock on an evbuffer */ #define ASSERT_EVBUFFER_LOCKED(buffer) \ EVLOCK_ASSERT_LOCKED((buffer)->lock) #define EVBUFFER_LOCK(buffer) \ do { \ EVLOCK_LOCK((buffer)->lock, 0); \ } while (0) #define EVBUFFER_UNLOCK(buffer) \ do { \ EVLOCK_UNLOCK((buffer)->lock, 0); \ } while (0) #define EVBUFFER_LOCK2(buffer1, buffer2) \ do { \ EVLOCK_LOCK2((buffer1)->lock, (buffer2)->lock, 0, 0); \ } while (0) #define EVBUFFER_UNLOCK2(buffer1, buffer2) \ do { \ EVLOCK_UNLOCK2((buffer1)->lock, (buffer2)->lock, 0, 0); \ } while (0) /** Increase the reference count of buf by one. */ void evbuffer_incref_(struct evbuffer *buf); /** Increase the reference count of buf by one and acquire the lock. */ void evbuffer_incref_and_lock_(struct evbuffer *buf); /** Pin a single buffer chain using a given flag. A pinned chunk may not be * moved or freed until it is unpinned. */ void evbuffer_chain_pin_(struct evbuffer_chain *chain, unsigned flag); /** Unpin a single buffer chain using a given flag. */ void evbuffer_chain_unpin_(struct evbuffer_chain *chain, unsigned flag); /** As evbuffer_free, but requires that we hold a lock on the buffer, and * releases the lock before freeing it and the buffer. */ void evbuffer_decref_and_unlock_(struct evbuffer *buffer); /** As evbuffer_expand, but does not guarantee that the newly allocated memory * is contiguous. Instead, it may be split across two or more chunks. */ int evbuffer_expand_fast_(struct evbuffer *, size_t, int); /** Helper: prepares for a readv/WSARecv call by expanding the buffer to * hold enough memory to read 'howmuch' bytes in possibly noncontiguous memory. * Sets up the one or two iovecs in 'vecs' to point to the free memory and its * extent, and *chainp to point to the first chain that we'll try to read into. * Returns the number of vecs used. */ int evbuffer_read_setup_vecs_(struct evbuffer *buf, ev_ssize_t howmuch, struct evbuffer_iovec *vecs, int n_vecs, struct evbuffer_chain ***chainp, int exact); /* Helper macro: copies an evbuffer_iovec in ei to a win32 WSABUF in i. */ #define WSABUF_FROM_EVBUFFER_IOV(i,ei) do { \ (i)->buf = (ei)->iov_base; \ (i)->len = (unsigned long)(ei)->iov_len; \ } while (0) /* XXXX the cast above is safe for now, but not if we allow mmaps on win64. * See note in buffer_iocp's launch_write function */ /** Set the parent bufferevent object for buf to bev */ void evbuffer_set_parent_(struct evbuffer *buf, struct bufferevent *bev); void evbuffer_invoke_callbacks_(struct evbuffer *buf); int evbuffer_get_callbacks_(struct evbuffer *buffer, struct event_callback **cbs, int max_cbs); #ifdef __cplusplus } #endif #endif /* EVBUFFER_INTERNAL_H_INCLUDED_ */ lldpd-1.0.18/libevent/bufferevent_filter.c0000644000076400001440000004313614111362570020001 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * Copyright (c) 2002-2006 Niels Provos * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "evconfig-private.h" #include #include "event2/event-config.h" #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #include #include #include #ifdef EVENT__HAVE_STDARG_H #include #endif #ifdef _WIN32 #include #endif #include "event2/util.h" #include "event2/bufferevent.h" #include "event2/buffer.h" #include "event2/bufferevent_struct.h" #include "event2/event.h" #include "log-internal.h" #include "mm-internal.h" #include "bufferevent-internal.h" #include "util-internal.h" /* prototypes */ static int be_filter_enable(struct bufferevent *, short); static int be_filter_disable(struct bufferevent *, short); static void be_filter_unlink(struct bufferevent *); static void be_filter_destruct(struct bufferevent *); static void be_filter_readcb(struct bufferevent *, void *); static void be_filter_writecb(struct bufferevent *, void *); static void be_filter_eventcb(struct bufferevent *, short, void *); static int be_filter_flush(struct bufferevent *bufev, short iotype, enum bufferevent_flush_mode mode); static int be_filter_ctrl(struct bufferevent *, enum bufferevent_ctrl_op, union bufferevent_ctrl_data *); static void bufferevent_filtered_inbuf_cb(struct evbuffer *buf, const struct evbuffer_cb_info *cbinfo, void *arg); static void bufferevent_filtered_outbuf_cb(struct evbuffer *buf, const struct evbuffer_cb_info *info, void *arg); struct bufferevent_filtered { struct bufferevent_private bev; /** The bufferevent that we read/write filtered data from/to. */ struct bufferevent *underlying; /** A callback on our inbuf to notice somebory removes data */ struct evbuffer_cb_entry *inbuf_cb; /** A callback on our outbuf to notice when somebody adds data */ struct evbuffer_cb_entry *outbuf_cb; /** True iff we have received an EOF callback from the underlying * bufferevent. */ unsigned got_eof; /** Function to free context when we're done. */ void (*free_context)(void *); /** Input filter */ bufferevent_filter_cb process_in; /** Output filter */ bufferevent_filter_cb process_out; /** User-supplied argument to the filters. */ void *context; }; const struct bufferevent_ops bufferevent_ops_filter = { "filter", evutil_offsetof(struct bufferevent_filtered, bev.bev), be_filter_enable, be_filter_disable, be_filter_unlink, be_filter_destruct, bufferevent_generic_adj_timeouts_, be_filter_flush, be_filter_ctrl, }; /* Given a bufferevent that's really the bev filter of a bufferevent_filtered, * return that bufferevent_filtered. Returns NULL otherwise.*/ static inline struct bufferevent_filtered * upcast(struct bufferevent *bev) { struct bufferevent_filtered *bev_f; if (!BEV_IS_FILTER(bev)) return NULL; bev_f = (void*)( ((char*)bev) - evutil_offsetof(struct bufferevent_filtered, bev.bev)); EVUTIL_ASSERT(BEV_IS_FILTER(&bev_f->bev.bev)); return bev_f; } #define downcast(bev_f) (&(bev_f)->bev.bev) /** Return 1 iff bevf's underlying bufferevent's output buffer is at or * over its high watermark such that we should not write to it in a given * flush mode. */ static int be_underlying_writebuf_full(struct bufferevent_filtered *bevf, enum bufferevent_flush_mode state) { struct bufferevent *u = bevf->underlying; return state == BEV_NORMAL && u->wm_write.high && evbuffer_get_length(u->output) >= u->wm_write.high; } /** Return 1 if our input buffer is at or over its high watermark such that we * should not write to it in a given flush mode. */ static int be_readbuf_full(struct bufferevent_filtered *bevf, enum bufferevent_flush_mode state) { struct bufferevent *bufev = downcast(bevf); return state == BEV_NORMAL && bufev->wm_read.high && evbuffer_get_length(bufev->input) >= bufev->wm_read.high; } /* Filter to use when we're created with a NULL filter. */ static enum bufferevent_filter_result be_null_filter(struct evbuffer *src, struct evbuffer *dst, ev_ssize_t lim, enum bufferevent_flush_mode state, void *ctx) { (void)state; if (evbuffer_remove_buffer(src, dst, lim) >= 0) return BEV_OK; else return BEV_ERROR; } struct bufferevent * bufferevent_filter_new(struct bufferevent *underlying, bufferevent_filter_cb input_filter, bufferevent_filter_cb output_filter, int options, void (*free_context)(void *), void *ctx) { struct bufferevent_filtered *bufev_f; int tmp_options = options & ~BEV_OPT_THREADSAFE; if (!underlying) return NULL; if (!input_filter) input_filter = be_null_filter; if (!output_filter) output_filter = be_null_filter; bufev_f = mm_calloc(1, sizeof(struct bufferevent_filtered)); if (!bufev_f) return NULL; if (bufferevent_init_common_(&bufev_f->bev, underlying->ev_base, &bufferevent_ops_filter, tmp_options) < 0) { mm_free(bufev_f); return NULL; } if (options & BEV_OPT_THREADSAFE) { bufferevent_enable_locking_(downcast(bufev_f), NULL); } bufev_f->underlying = underlying; bufev_f->process_in = input_filter; bufev_f->process_out = output_filter; bufev_f->free_context = free_context; bufev_f->context = ctx; bufferevent_setcb(bufev_f->underlying, be_filter_readcb, be_filter_writecb, be_filter_eventcb, bufev_f); bufev_f->inbuf_cb = evbuffer_add_cb(downcast(bufev_f)->input, bufferevent_filtered_inbuf_cb, bufev_f); evbuffer_cb_clear_flags(downcast(bufev_f)->input, bufev_f->inbuf_cb, EVBUFFER_CB_ENABLED); bufev_f->outbuf_cb = evbuffer_add_cb(downcast(bufev_f)->output, bufferevent_filtered_outbuf_cb, bufev_f); bufferevent_init_generic_timeout_cbs_(downcast(bufev_f)); bufferevent_incref_(underlying); bufferevent_enable(underlying, EV_READ|EV_WRITE); bufferevent_suspend_read_(underlying, BEV_SUSPEND_FILT_READ); return downcast(bufev_f); } static void be_filter_unlink(struct bufferevent *bev) { struct bufferevent_filtered *bevf = upcast(bev); EVUTIL_ASSERT(bevf); if (bevf->bev.options & BEV_OPT_CLOSE_ON_FREE) { /* Yes, there is also a decref in bufferevent_decref_. * That decref corresponds to the incref when we set * underlying for the first time. This decref is an * extra one to remove the last reference. */ if (BEV_UPCAST(bevf->underlying)->refcnt < 2) { event_warnx("BEV_OPT_CLOSE_ON_FREE set on an " "bufferevent with too few references"); } else { bufferevent_free(bevf->underlying); } } else { if (bevf->underlying) { if (bevf->underlying->errorcb == be_filter_eventcb) bufferevent_setcb(bevf->underlying, NULL, NULL, NULL, NULL); bufferevent_unsuspend_read_(bevf->underlying, BEV_SUSPEND_FILT_READ); } } } static void be_filter_destruct(struct bufferevent *bev) { struct bufferevent_filtered *bevf = upcast(bev); EVUTIL_ASSERT(bevf); if (bevf->free_context) bevf->free_context(bevf->context); if (bevf->inbuf_cb) evbuffer_remove_cb_entry(bev->input, bevf->inbuf_cb); if (bevf->outbuf_cb) evbuffer_remove_cb_entry(bev->output, bevf->outbuf_cb); } static int be_filter_enable(struct bufferevent *bev, short event) { struct bufferevent_filtered *bevf = upcast(bev); if (event & EV_WRITE) BEV_RESET_GENERIC_WRITE_TIMEOUT(bev); if (event & EV_READ) { BEV_RESET_GENERIC_READ_TIMEOUT(bev); bufferevent_unsuspend_read_(bevf->underlying, BEV_SUSPEND_FILT_READ); } return 0; } static int be_filter_disable(struct bufferevent *bev, short event) { struct bufferevent_filtered *bevf = upcast(bev); if (event & EV_WRITE) BEV_DEL_GENERIC_WRITE_TIMEOUT(bev); if (event & EV_READ) { BEV_DEL_GENERIC_READ_TIMEOUT(bev); bufferevent_suspend_read_(bevf->underlying, BEV_SUSPEND_FILT_READ); } return 0; } static enum bufferevent_filter_result be_filter_process_input(struct bufferevent_filtered *bevf, enum bufferevent_flush_mode state, int *processed_out) { enum bufferevent_filter_result res; struct bufferevent *bev = downcast(bevf); if (state == BEV_NORMAL) { /* If we're in 'normal' mode, don't urge data on the filter * unless we're reading data and under our high-water mark.*/ if (!(bev->enabled & EV_READ) || be_readbuf_full(bevf, state)) return BEV_OK; } do { ev_ssize_t limit = -1; if (state == BEV_NORMAL && bev->wm_read.high) limit = bev->wm_read.high - evbuffer_get_length(bev->input); res = bevf->process_in(bevf->underlying->input, bev->input, limit, state, bevf->context); if (res == BEV_OK) *processed_out = 1; } while (res == BEV_OK && (bev->enabled & EV_READ) && evbuffer_get_length(bevf->underlying->input) && !be_readbuf_full(bevf, state)); if (*processed_out) BEV_RESET_GENERIC_READ_TIMEOUT(bev); return res; } static enum bufferevent_filter_result be_filter_process_output(struct bufferevent_filtered *bevf, enum bufferevent_flush_mode state, int *processed_out) { /* Requires references and lock: might call writecb */ enum bufferevent_filter_result res = BEV_OK; struct bufferevent *bufev = downcast(bevf); int again = 0; if (state == BEV_NORMAL) { /* If we're in 'normal' mode, don't urge data on the * filter unless we're writing data, and the underlying * bufferevent is accepting data, and we have data to * give the filter. If we're in 'flush' or 'finish', * call the filter no matter what. */ if (!(bufev->enabled & EV_WRITE) || be_underlying_writebuf_full(bevf, state) || !evbuffer_get_length(bufev->output)) return BEV_OK; } /* disable the callback that calls this function when the user adds to the output buffer. */ evbuffer_cb_clear_flags(bufev->output, bevf->outbuf_cb, EVBUFFER_CB_ENABLED); do { int processed = 0; again = 0; do { ev_ssize_t limit = -1; if (state == BEV_NORMAL && bevf->underlying->wm_write.high) limit = bevf->underlying->wm_write.high - evbuffer_get_length(bevf->underlying->output); res = bevf->process_out(downcast(bevf)->output, bevf->underlying->output, limit, state, bevf->context); if (res == BEV_OK) processed = *processed_out = 1; } while (/* Stop if the filter wasn't successful...*/ res == BEV_OK && /* Or if we aren't writing any more. */ (bufev->enabled & EV_WRITE) && /* Of if we have nothing more to write and we are * not flushing. */ evbuffer_get_length(bufev->output) && /* Or if we have filled the underlying output buffer. */ !be_underlying_writebuf_full(bevf,state)); if (processed) { /* call the write callback.*/ bufferevent_trigger_nolock_(bufev, EV_WRITE, 0); if (res == BEV_OK && (bufev->enabled & EV_WRITE) && evbuffer_get_length(bufev->output) && !be_underlying_writebuf_full(bevf, state)) { again = 1; } } } while (again); /* reenable the outbuf_cb */ evbuffer_cb_set_flags(bufev->output,bevf->outbuf_cb, EVBUFFER_CB_ENABLED); if (*processed_out) BEV_RESET_GENERIC_WRITE_TIMEOUT(bufev); return res; } /* Called when the size of our outbuf changes. */ static void bufferevent_filtered_outbuf_cb(struct evbuffer *buf, const struct evbuffer_cb_info *cbinfo, void *arg) { struct bufferevent_filtered *bevf = arg; struct bufferevent *bev = downcast(bevf); if (cbinfo->n_added) { int processed_any = 0; /* Somebody added more data to the output buffer. Try to * process it, if we should. */ bufferevent_incref_and_lock_(bev); be_filter_process_output(bevf, BEV_NORMAL, &processed_any); bufferevent_decref_and_unlock_(bev); } } static void be_filter_read_nolock_(struct bufferevent *underlying, void *me_) { struct bufferevent_filtered *bevf = me_; enum bufferevent_filter_result res; enum bufferevent_flush_mode state; struct bufferevent *bufev = downcast(bevf); struct bufferevent_private *bufev_private = BEV_UPCAST(bufev); int processed_any = 0; // It's possible our refcount is 0 at this point if another thread free'd our filterevent EVUTIL_ASSERT(bufev_private->refcnt >= 0); // If our refcount is > 0 if (bufev_private->refcnt > 0) { if (bevf->got_eof) state = BEV_FINISHED; else state = BEV_NORMAL; /* XXXX use return value */ res = be_filter_process_input(bevf, state, &processed_any); (void)res; /* XXX This should be in process_input, not here. There are * other places that can call process-input, and they should * force readcb calls as needed. */ if (processed_any) { bufferevent_trigger_nolock_(bufev, EV_READ, 0); if (evbuffer_get_length(underlying->input) > 0 && be_readbuf_full(bevf, state)) { /* data left in underlying buffer and filter input buffer * hit its read high watermark. * Schedule callback to avoid data gets stuck in underlying * input buffer. */ evbuffer_cb_set_flags(bufev->input, bevf->inbuf_cb, EVBUFFER_CB_ENABLED); } } } } /* Called when the size of our inbuf changes. */ static void bufferevent_filtered_inbuf_cb(struct evbuffer *buf, const struct evbuffer_cb_info *cbinfo, void *arg) { struct bufferevent_filtered *bevf = arg; enum bufferevent_flush_mode state; struct bufferevent *bev = downcast(bevf); BEV_LOCK(bev); if (bevf->got_eof) state = BEV_FINISHED; else state = BEV_NORMAL; if (!be_readbuf_full(bevf, state)) { /* opportunity to read data which was left in underlying * input buffer because filter input buffer hit read * high watermark. */ evbuffer_cb_clear_flags(bev->input, bevf->inbuf_cb, EVBUFFER_CB_ENABLED); if (evbuffer_get_length(bevf->underlying->input) > 0) be_filter_read_nolock_(bevf->underlying, bevf); } BEV_UNLOCK(bev); } /* Called when the underlying socket has read. */ static void be_filter_readcb(struct bufferevent *underlying, void *me_) { struct bufferevent_filtered *bevf = me_; struct bufferevent *bev = downcast(bevf); BEV_LOCK(bev); be_filter_read_nolock_(underlying, me_); BEV_UNLOCK(bev); } /* Called when the underlying socket has drained enough that we can write to it. */ static void be_filter_writecb(struct bufferevent *underlying, void *me_) { struct bufferevent_filtered *bevf = me_; struct bufferevent *bev = downcast(bevf); struct bufferevent_private *bufev_private = BEV_UPCAST(bev); int processed_any = 0; BEV_LOCK(bev); // It's possible our refcount is 0 at this point if another thread free'd our filterevent EVUTIL_ASSERT(bufev_private->refcnt >= 0); // If our refcount is > 0 if (bufev_private->refcnt > 0) { be_filter_process_output(bevf, BEV_NORMAL, &processed_any); } BEV_UNLOCK(bev); } /* Called when the underlying socket has given us an error */ static void be_filter_eventcb(struct bufferevent *underlying, short what, void *me_) { struct bufferevent_filtered *bevf = me_; struct bufferevent *bev = downcast(bevf); struct bufferevent_private *bufev_private = BEV_UPCAST(bev); BEV_LOCK(bev); // It's possible our refcount is 0 at this point if another thread free'd our filterevent EVUTIL_ASSERT(bufev_private->refcnt >= 0); // If our refcount is > 0 if (bufev_private->refcnt > 0) { /* All we can really to is tell our own eventcb. */ bufferevent_run_eventcb_(bev, what, 0); } BEV_UNLOCK(bev); } static int be_filter_flush(struct bufferevent *bufev, short iotype, enum bufferevent_flush_mode mode) { struct bufferevent_filtered *bevf = upcast(bufev); int processed_any = 0; EVUTIL_ASSERT(bevf); bufferevent_incref_and_lock_(bufev); if (iotype & EV_READ) { be_filter_process_input(bevf, mode, &processed_any); } if (iotype & EV_WRITE) { be_filter_process_output(bevf, mode, &processed_any); } /* XXX check the return value? */ /* XXX does this want to recursively call lower-level flushes? */ bufferevent_flush(bevf->underlying, iotype, mode); bufferevent_decref_and_unlock_(bufev); return processed_any; } static int be_filter_ctrl(struct bufferevent *bev, enum bufferevent_ctrl_op op, union bufferevent_ctrl_data *data) { struct bufferevent_filtered *bevf; switch (op) { case BEV_CTRL_GET_UNDERLYING: bevf = upcast(bev); data->ptr = bevf->underlying; return 0; case BEV_CTRL_SET_FD: case BEV_CTRL_GET_FD: bevf = upcast(bev); if (bevf->underlying && bevf->underlying->be_ops && bevf->underlying->be_ops->ctrl) { return (bevf->underlying->be_ops->ctrl)(bevf->underlying, op, data); } EVUTIL_FALLTHROUGH; case BEV_CTRL_CANCEL_ALL: EVUTIL_FALLTHROUGH; default: return -1; } return -1; } lldpd-1.0.18/libevent/evutil_rand.c0000644000076400001440000001233514111362570016432 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* This file has our secure PRNG code. On platforms that have arc4random(), * we just use that. Otherwise, we include arc4random.c as a bunch of static * functions, and wrap it lightly. We don't expose the arc4random*() APIs * because A) they aren't in our namespace, and B) it's not nice to name your * APIs after their implementations. We keep them in a separate file * so that other people can rip it out and use it for whatever. */ #include "event2/event-config.h" #include "evconfig-private.h" #include #include "util-internal.h" #include "evthread-internal.h" #ifdef EVENT__HAVE_ARC4RANDOM #include #include int evutil_secure_rng_set_urandom_device_file(char *fname) { (void) fname; return -1; } int evutil_secure_rng_init(void) { /* call arc4random() now to force it to self-initialize */ (void) arc4random(); return 0; } #ifndef EVENT__DISABLE_THREAD_SUPPORT int evutil_secure_rng_global_setup_locks_(const int enable_locks) { return 0; } #endif static void evutil_free_secure_rng_globals_locks(void) { } static void ev_arc4random_buf(void *buf, size_t n) { #if defined(EVENT__HAVE_ARC4RANDOM_BUF) && !defined(__APPLE__) arc4random_buf(buf, n); return; #else unsigned char *b = buf; #if defined(EVENT__HAVE_ARC4RANDOM_BUF) /* OSX 10.7 introducd arc4random_buf, so if you build your program * there, you'll get surprised when older versions of OSX fail to run. * To solve this, we can check whether the function pointer is set, * and fall back otherwise. (OSX does this using some linker * trickery.) */ { void (*tptr)(void *,size_t) = (void (*)(void*,size_t))arc4random_buf; if (tptr != NULL) { arc4random_buf(buf, n); return; } } #endif /* Make sure that we start out with b at a 4-byte alignment; plenty * of CPUs care about this for 32-bit access. */ if (n >= 4 && ((ev_uintptr_t)b) & 3) { ev_uint32_t u = arc4random(); int n_bytes = 4 - (((ev_uintptr_t)b) & 3); memcpy(b, &u, n_bytes); b += n_bytes; n -= n_bytes; } while (n >= 4) { *(ev_uint32_t*)b = arc4random(); b += 4; n -= 4; } if (n) { ev_uint32_t u = arc4random(); memcpy(b, &u, n); } #endif } #else /* !EVENT__HAVE_ARC4RANDOM { */ #ifdef EVENT__ssize_t #define ssize_t EVENT__ssize_t #endif #define ARC4RANDOM_EXPORT static #define ARC4_LOCK_() EVLOCK_LOCK(arc4rand_lock, 0) #define ARC4_UNLOCK_() EVLOCK_UNLOCK(arc4rand_lock, 0) #ifndef EVENT__DISABLE_THREAD_SUPPORT static void *arc4rand_lock; #endif #define ARC4RANDOM_UINT32 ev_uint32_t #define ARC4RANDOM_NOSTIR #define ARC4RANDOM_NORANDOM #define ARC4RANDOM_NOUNIFORM #include "./arc4random.c" #ifndef EVENT__DISABLE_THREAD_SUPPORT int evutil_secure_rng_global_setup_locks_(const int enable_locks) { EVTHREAD_SETUP_GLOBAL_LOCK(arc4rand_lock, 0); return 0; } #endif static void evutil_free_secure_rng_globals_locks(void) { #ifndef EVENT__DISABLE_THREAD_SUPPORT if (arc4rand_lock != NULL) { EVTHREAD_FREE_LOCK(arc4rand_lock, 0); arc4rand_lock = NULL; } #endif return; } int evutil_secure_rng_set_urandom_device_file(char *fname) { #ifdef TRY_SEED_URANDOM ARC4_LOCK_(); arc4random_urandom_filename = fname; ARC4_UNLOCK_(); #endif return 0; } int evutil_secure_rng_init(void) { int val; ARC4_LOCK_(); val = (!arc4_stir()) ? 0 : -1; ARC4_UNLOCK_(); return val; } static void ev_arc4random_buf(void *buf, size_t n) { arc4random_buf(buf, n); } #endif /* } !EVENT__HAVE_ARC4RANDOM */ void evutil_secure_rng_get_bytes(void *buf, size_t n) { ev_arc4random_buf(buf, n); } #if !defined(EVENT__HAVE_ARC4RANDOM) || defined(EVENT__HAVE_ARC4RANDOM_ADDRANDOM) void evutil_secure_rng_add_bytes(const char *buf, size_t n) { arc4random_addrandom((unsigned char*)buf, n>(size_t)INT_MAX ? INT_MAX : (int)n); } #endif void evutil_free_secure_rng_globals_(void) { evutil_free_secure_rng_globals_locks(); } lldpd-1.0.18/libevent/evutil.c0000644000076400001440000021476214111362570015436 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #ifdef _WIN32 #include #include #include #define WIN32_LEAN_AND_MEAN #include #undef WIN32_LEAN_AND_MEAN #include #include #include #undef _WIN32_WINNT /* For structs needed by GetAdaptersAddresses */ #define _WIN32_WINNT 0x0501 #include #include #endif #include #ifdef EVENT__HAVE_SYS_SOCKET_H #include #endif #ifdef EVENT__HAVE_UNISTD_H #include #endif #ifdef EVENT__HAVE_FCNTL_H #include #endif #ifdef EVENT__HAVE_STDLIB_H #include #endif #include #include #include #include #ifdef EVENT__HAVE_NETINET_IN_H #include #endif #ifdef EVENT__HAVE_NETINET_IN6_H #include #endif #ifdef EVENT__HAVE_NETINET_TCP_H #include #endif #ifdef EVENT__HAVE_ARPA_INET_H #include #endif #include #include #ifndef _WIN32 #include #endif #ifdef EVENT__HAVE_IFADDRS_H #include #endif #include "event2/util.h" #include "util-internal.h" #include "log-internal.h" #include "mm-internal.h" #include "evthread-internal.h" #include "strlcpy-internal.h" #include "ipv6-internal.h" #ifdef _WIN32 #define HT_NO_CACHE_HASH_VALUES #include "ht-internal.h" #define open _open #define read _read #define close _close #ifndef fstat #define fstat _fstati64 #endif #ifndef stat #define stat _stati64 #endif #define mode_t int #endif int evutil_open_closeonexec_(const char *pathname, int flags, unsigned mode) { int fd; #ifdef O_CLOEXEC fd = open(pathname, flags|O_CLOEXEC, (mode_t)mode); if (fd >= 0 || errno == EINVAL) return fd; /* If we got an EINVAL, fall through and try without O_CLOEXEC */ #endif fd = open(pathname, flags, (mode_t)mode); if (fd < 0) return -1; #if defined(FD_CLOEXEC) if (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0) { close(fd); return -1; } #endif return fd; } /** Read the contents of 'filename' into a newly allocated NUL-terminated string. Set *content_out to hold this string, and *len_out to hold its length (not including the appended NUL). If 'is_binary', open the file in binary mode. Returns 0 on success, -1 if the open fails, and -2 for all other failures. Used internally only; may go away in a future version. */ int evutil_read_file_(const char *filename, char **content_out, size_t *len_out, int is_binary) { int fd, r; struct stat st; char *mem; size_t read_so_far=0; int mode = O_RDONLY; EVUTIL_ASSERT(content_out); EVUTIL_ASSERT(len_out); *content_out = NULL; *len_out = 0; #ifdef O_BINARY if (is_binary) mode |= O_BINARY; #endif fd = evutil_open_closeonexec_(filename, mode, 0); if (fd < 0) return -1; if (fstat(fd, &st) || st.st_size < 0 || st.st_size > EV_SSIZE_MAX-1 ) { close(fd); return -2; } mem = mm_malloc((size_t)st.st_size + 1); if (!mem) { close(fd); return -2; } read_so_far = 0; #ifdef _WIN32 #define N_TO_READ(x) ((x) > INT_MAX) ? INT_MAX : ((int)(x)) #else #define N_TO_READ(x) (x) #endif while ((r = read(fd, mem+read_so_far, N_TO_READ(st.st_size - read_so_far))) > 0) { read_so_far += r; if (read_so_far >= (size_t)st.st_size) break; EVUTIL_ASSERT(read_so_far < (size_t)st.st_size); } close(fd); if (r < 0) { mm_free(mem); return -2; } mem[read_so_far] = 0; *len_out = read_so_far; *content_out = mem; return 0; } int evutil_socketpair(int family, int type, int protocol, evutil_socket_t fd[2]) { #ifndef _WIN32 return socketpair(family, type, protocol, fd); #else return evutil_ersatz_socketpair_(family, type, protocol, fd); #endif } int evutil_ersatz_socketpair_(int family, int type, int protocol, evutil_socket_t fd[2]) { /* This code is originally from Tor. Used with permission. */ /* This socketpair does not work when localhost is down. So * it's really not the same thing at all. But it's close enough * for now, and really, when localhost is down sometimes, we * have other problems too. */ #ifdef _WIN32 #define ERR(e) WSA##e #else #define ERR(e) e #endif evutil_socket_t listener = -1; evutil_socket_t connector = -1; evutil_socket_t acceptor = -1; struct sockaddr_in listen_addr; struct sockaddr_in connect_addr; ev_socklen_t size; int saved_errno = -1; int family_test; family_test = family != AF_INET; #ifdef AF_UNIX family_test = family_test && (family != AF_UNIX); #endif if (protocol || family_test) { EVUTIL_SET_SOCKET_ERROR(ERR(EAFNOSUPPORT)); return -1; } if (!fd) { EVUTIL_SET_SOCKET_ERROR(ERR(EINVAL)); return -1; } listener = socket(AF_INET, type, 0); if (listener < 0) return -1; memset(&listen_addr, 0, sizeof(listen_addr)); listen_addr.sin_family = AF_INET; listen_addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); listen_addr.sin_port = 0; /* kernel chooses port. */ if (bind(listener, (struct sockaddr *) &listen_addr, sizeof (listen_addr)) == -1) goto tidy_up_and_fail; if (listen(listener, 1) == -1) goto tidy_up_and_fail; connector = socket(AF_INET, type, 0); if (connector < 0) goto tidy_up_and_fail; memset(&connect_addr, 0, sizeof(connect_addr)); /* We want to find out the port number to connect to. */ size = sizeof(connect_addr); if (getsockname(listener, (struct sockaddr *) &connect_addr, &size) == -1) goto tidy_up_and_fail; if (size != sizeof (connect_addr)) goto abort_tidy_up_and_fail; if (connect(connector, (struct sockaddr *) &connect_addr, sizeof(connect_addr)) == -1) goto tidy_up_and_fail; size = sizeof(listen_addr); acceptor = accept(listener, (struct sockaddr *) &listen_addr, &size); if (acceptor < 0) goto tidy_up_and_fail; if (size != sizeof(listen_addr)) goto abort_tidy_up_and_fail; /* Now check we are talking to ourself by matching port and host on the two sockets. */ if (getsockname(connector, (struct sockaddr *) &connect_addr, &size) == -1) goto tidy_up_and_fail; if (size != sizeof (connect_addr) || listen_addr.sin_family != connect_addr.sin_family || listen_addr.sin_addr.s_addr != connect_addr.sin_addr.s_addr || listen_addr.sin_port != connect_addr.sin_port) goto abort_tidy_up_and_fail; evutil_closesocket(listener); fd[0] = connector; fd[1] = acceptor; return 0; abort_tidy_up_and_fail: saved_errno = ERR(ECONNABORTED); tidy_up_and_fail: if (saved_errno < 0) saved_errno = EVUTIL_SOCKET_ERROR(); if (listener != -1) evutil_closesocket(listener); if (connector != -1) evutil_closesocket(connector); if (acceptor != -1) evutil_closesocket(acceptor); EVUTIL_SET_SOCKET_ERROR(saved_errno); return -1; #undef ERR } int evutil_make_socket_nonblocking(evutil_socket_t fd) { #ifdef _WIN32 { unsigned long nonblocking = 1; if (ioctlsocket(fd, FIONBIO, &nonblocking) == SOCKET_ERROR) { event_sock_warn(fd, "fcntl(%d, F_GETFL)", (int)fd); return -1; } } #else { int flags; if ((flags = fcntl(fd, F_GETFL, NULL)) < 0) { event_warn("fcntl(%d, F_GETFL)", fd); return -1; } if (!(flags & O_NONBLOCK)) { if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1) { event_warn("fcntl(%d, F_SETFL)", fd); return -1; } } } #endif return 0; } /* Faster version of evutil_make_socket_nonblocking for internal use. * * Requires that no F_SETFL flags were previously set on the fd. */ static int evutil_fast_socket_nonblocking(evutil_socket_t fd) { #ifdef _WIN32 return evutil_make_socket_nonblocking(fd); #else if (fcntl(fd, F_SETFL, O_NONBLOCK) == -1) { event_warn("fcntl(%d, F_SETFL)", fd); return -1; } return 0; #endif } int evutil_make_listen_socket_reuseable(evutil_socket_t sock) { #if defined(SO_REUSEADDR) && !defined(_WIN32) int one = 1; /* REUSEADDR on Unix means, "don't hang on to this address after the * listener is closed." On Windows, though, it means "don't keep other * processes from binding to this address while we're using it. */ return setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*) &one, (ev_socklen_t)sizeof(one)); #else return 0; #endif } int evutil_make_listen_socket_reuseable_port(evutil_socket_t sock) { #if defined __linux__ && defined(SO_REUSEPORT) int one = 1; /* REUSEPORT on Linux 3.9+ means, "Multiple servers (processes or * threads) can bind to the same port if they each set the option. */ return setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, (void*) &one, (ev_socklen_t)sizeof(one)); #else return 0; #endif } int evutil_make_listen_socket_ipv6only(evutil_socket_t sock) { #if defined(IPV6_V6ONLY) int one = 1; return setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*) &one, (ev_socklen_t)sizeof(one)); #endif return 0; } int evutil_make_tcp_listen_socket_deferred(evutil_socket_t sock) { #if defined(EVENT__HAVE_NETINET_TCP_H) && defined(TCP_DEFER_ACCEPT) int one = 1; /* TCP_DEFER_ACCEPT tells the kernel to call defer accept() only after data * has arrived and ready to read */ return setsockopt(sock, IPPROTO_TCP, TCP_DEFER_ACCEPT, &one, (ev_socklen_t)sizeof(one)); #endif return 0; } int evutil_make_socket_closeonexec(evutil_socket_t fd) { #if !defined(_WIN32) && defined(EVENT__HAVE_SETFD) int flags; if ((flags = fcntl(fd, F_GETFD, NULL)) < 0) { event_warn("fcntl(%d, F_GETFD)", fd); return -1; } if (!(flags & FD_CLOEXEC)) { if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) == -1) { event_warn("fcntl(%d, F_SETFD)", fd); return -1; } } #endif return 0; } /* Faster version of evutil_make_socket_closeonexec for internal use. * * Requires that no F_SETFD flags were previously set on the fd. */ static int evutil_fast_socket_closeonexec(evutil_socket_t fd) { #if !defined(_WIN32) && defined(EVENT__HAVE_SETFD) if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) { event_warn("fcntl(%d, F_SETFD)", fd); return -1; } #endif return 0; } int evutil_closesocket(evutil_socket_t sock) { #ifndef _WIN32 return close(sock); #else return closesocket(sock); #endif } ev_int64_t evutil_strtoll(const char *s, char **endptr, int base) { #ifdef EVENT__HAVE_STRTOLL return (ev_int64_t)strtoll(s, endptr, base); #elif EVENT__SIZEOF_LONG == 8 return (ev_int64_t)strtol(s, endptr, base); #elif defined(_WIN32) && defined(_MSC_VER) && _MSC_VER < 1300 /* XXXX on old versions of MS APIs, we only support base * 10. */ ev_int64_t r; if (base != 10) return 0; r = (ev_int64_t) _atoi64(s); while (isspace(*s)) ++s; if (*s == '-') ++s; while (isdigit(*s)) ++s; if (endptr) *endptr = (char*) s; return r; #elif defined(_WIN32) return (ev_int64_t) _strtoi64(s, endptr, base); #elif defined(EVENT__SIZEOF_LONG_LONG) && EVENT__SIZEOF_LONG_LONG == 8 long long r; int n; if (base != 10 && base != 16) return 0; if (base == 10) { n = sscanf(s, "%lld", &r); } else { unsigned long long ru=0; n = sscanf(s, "%llx", &ru); if (ru > EV_INT64_MAX) return 0; r = (long long) ru; } if (n != 1) return 0; while (EVUTIL_ISSPACE_(*s)) ++s; if (*s == '-') ++s; if (base == 10) { while (EVUTIL_ISDIGIT_(*s)) ++s; } else { while (EVUTIL_ISXDIGIT_(*s)) ++s; } if (endptr) *endptr = (char*) s; return r; #else #error "I don't know how to parse 64-bit integers." #endif } #ifdef _WIN32 int evutil_socket_geterror(evutil_socket_t sock) { int optval, optvallen=sizeof(optval); int err = WSAGetLastError(); if (err == WSAEWOULDBLOCK && sock >= 0) { if (getsockopt(sock, SOL_SOCKET, SO_ERROR, (void*)&optval, &optvallen)) return err; if (optval) return optval; } return err; } #endif /* XXX we should use an enum here. */ /* 2 for connection refused, 1 for connected, 0 for not yet, -1 for error. */ int evutil_socket_connect_(evutil_socket_t *fd_ptr, const struct sockaddr *sa, int socklen) { int made_fd = 0; if (*fd_ptr < 0) { if ((*fd_ptr = socket(sa->sa_family, SOCK_STREAM, 0)) < 0) goto err; made_fd = 1; if (evutil_make_socket_nonblocking(*fd_ptr) < 0) { goto err; } } if (connect(*fd_ptr, sa, socklen) < 0) { int e = evutil_socket_geterror(*fd_ptr); if (EVUTIL_ERR_CONNECT_RETRIABLE(e)) return 0; if (EVUTIL_ERR_CONNECT_REFUSED(e)) return 2; goto err; } else { return 1; } err: if (made_fd) { evutil_closesocket(*fd_ptr); *fd_ptr = -1; } return -1; } /* Check whether a socket on which we called connect() is done connecting. Return 1 for connected, 0 for not yet, -1 for error. In the error case, set the current socket errno to the error that happened during the connect operation. */ int evutil_socket_finished_connecting_(evutil_socket_t fd) { int e; ev_socklen_t elen = sizeof(e); if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&e, &elen) < 0) return -1; if (e) { if (EVUTIL_ERR_CONNECT_RETRIABLE(e)) return 0; EVUTIL_SET_SOCKET_ERROR(e); return -1; } return 1; } #if (EVUTIL_AI_PASSIVE|EVUTIL_AI_CANONNAME|EVUTIL_AI_NUMERICHOST| \ EVUTIL_AI_NUMERICSERV|EVUTIL_AI_V4MAPPED|EVUTIL_AI_ALL| \ EVUTIL_AI_ADDRCONFIG) != \ (EVUTIL_AI_PASSIVE^EVUTIL_AI_CANONNAME^EVUTIL_AI_NUMERICHOST^ \ EVUTIL_AI_NUMERICSERV^EVUTIL_AI_V4MAPPED^EVUTIL_AI_ALL^ \ EVUTIL_AI_ADDRCONFIG) #error "Some of our EVUTIL_AI_* flags seem to overlap with system AI_* flags" #endif /* We sometimes need to know whether we have an ipv4 address and whether we have an ipv6 address. If 'have_checked_interfaces', then we've already done the test. If 'had_ipv4_address', then it turns out we had an ipv4 address. If 'had_ipv6_address', then it turns out we had an ipv6 address. These are set by evutil_check_interfaces. */ static int have_checked_interfaces, had_ipv4_address, had_ipv6_address; /* True iff the IPv4 address 'addr', in host order, is in 127.0.0.0/8 */ static inline int evutil_v4addr_is_localhost(ev_uint32_t addr) { return addr>>24 == 127; } /* True iff the IPv4 address 'addr', in host order, is link-local * 169.254.0.0/16 (RFC3927) */ static inline int evutil_v4addr_is_linklocal(ev_uint32_t addr) { return ((addr & 0xffff0000U) == 0xa9fe0000U); } /* True iff the IPv4 address 'addr', in host order, is a class D * (multiclass) address. */ static inline int evutil_v4addr_is_classd(ev_uint32_t addr) { return ((addr>>24) & 0xf0) == 0xe0; } int evutil_v4addr_is_local_(const struct in_addr *in) { const ev_uint32_t addr = ntohl(in->s_addr); return addr == INADDR_ANY || evutil_v4addr_is_localhost(addr) || evutil_v4addr_is_linklocal(addr) || evutil_v4addr_is_classd(addr); } int evutil_v6addr_is_local_(const struct in6_addr *in) { static const char ZEROES[] = "\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00"; const unsigned char *addr = (const unsigned char *)in->s6_addr; return !memcmp(addr, ZEROES, 8) || ((addr[0] & 0xfe) == 0xfc) || (addr[0] == 0xfe && (addr[1] & 0xc0) == 0x80) || (addr[0] == 0xfe && (addr[1] & 0xc0) == 0xc0) || (addr[0] == 0xff); } static void evutil_found_ifaddr(const struct sockaddr *sa) { if (sa->sa_family == AF_INET) { const struct sockaddr_in *sin = (struct sockaddr_in *)sa; if (!evutil_v4addr_is_local_(&sin->sin_addr)) { event_debug(("Detected an IPv4 interface")); had_ipv4_address = 1; } } else if (sa->sa_family == AF_INET6) { const struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa; if (!evutil_v6addr_is_local_(&sin6->sin6_addr)) { event_debug(("Detected an IPv6 interface")); had_ipv6_address = 1; } } } #ifdef _WIN32 typedef ULONG (WINAPI *GetAdaptersAddresses_fn_t)( ULONG, ULONG, PVOID, PIP_ADAPTER_ADDRESSES, PULONG); #endif static int evutil_check_ifaddrs(void) { #if defined(EVENT__HAVE_GETIFADDRS) /* Most free Unixy systems provide getifaddrs, which gives us a linked list * of struct ifaddrs. */ struct ifaddrs *ifa = NULL; const struct ifaddrs *i; if (getifaddrs(&ifa) < 0) { event_warn("Unable to call getifaddrs()"); return -1; } for (i = ifa; i; i = i->ifa_next) { if (!i->ifa_addr) continue; evutil_found_ifaddr(i->ifa_addr); } freeifaddrs(ifa); return 0; #elif defined(_WIN32) /* Windows XP began to provide GetAdaptersAddresses. Windows 2000 had a "GetAdaptersInfo", but that's deprecated; let's just try GetAdaptersAddresses and fall back to connect+getsockname. */ HMODULE lib = evutil_load_windows_system_library_(TEXT("iphlpapi.dll")); GetAdaptersAddresses_fn_t fn; ULONG size, res; IP_ADAPTER_ADDRESSES *addresses = NULL, *address; int result = -1; #define FLAGS (GAA_FLAG_SKIP_ANYCAST | \ GAA_FLAG_SKIP_MULTICAST | \ GAA_FLAG_SKIP_DNS_SERVER) if (!lib) goto done; if (!(fn = (GetAdaptersAddresses_fn_t) GetProcAddress(lib, "GetAdaptersAddresses"))) goto done; /* Guess how much space we need. */ size = 15*1024; addresses = mm_malloc(size); if (!addresses) goto done; res = fn(AF_UNSPEC, FLAGS, NULL, addresses, &size); if (res == ERROR_BUFFER_OVERFLOW) { /* we didn't guess that we needed enough space; try again */ mm_free(addresses); addresses = mm_malloc(size); if (!addresses) goto done; res = fn(AF_UNSPEC, FLAGS, NULL, addresses, &size); } if (res != NO_ERROR) goto done; for (address = addresses; address; address = address->Next) { IP_ADAPTER_UNICAST_ADDRESS *a; for (a = address->FirstUnicastAddress; a; a = a->Next) { /* Yes, it's a linked list inside a linked list */ struct sockaddr *sa = a->Address.lpSockaddr; evutil_found_ifaddr(sa); } } result = 0; done: if (lib) FreeLibrary(lib); if (addresses) mm_free(addresses); return result; #else return -1; #endif } /* Test whether we have an ipv4 interface and an ipv6 interface. Return 0 if * the test seemed successful. */ static int evutil_check_interfaces(void) { evutil_socket_t fd = -1; struct sockaddr_in sin, sin_out; struct sockaddr_in6 sin6, sin6_out; ev_socklen_t sin_out_len = sizeof(sin_out); ev_socklen_t sin6_out_len = sizeof(sin6_out); int r; if (have_checked_interfaces) return 0; /* From this point on we have done the ipv4/ipv6 interface check */ have_checked_interfaces = 1; if (evutil_check_ifaddrs() == 0) { /* Use a nice sane interface, if this system has one. */ return 0; } /* Ugh. There was no nice sane interface. So to check whether we have * an interface open for a given protocol, will try to make a UDP * 'connection' to a remote host on the internet. We don't actually * use it, so the address doesn't matter, but we want to pick one that * keep us from using a host- or link-local interface. */ memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_port = htons(53); r = evutil_inet_pton(AF_INET, "18.244.0.188", &sin.sin_addr); EVUTIL_ASSERT(r); memset(&sin6, 0, sizeof(sin6)); sin6.sin6_family = AF_INET6; sin6.sin6_port = htons(53); r = evutil_inet_pton(AF_INET6, "2001:4860:b002::68", &sin6.sin6_addr); EVUTIL_ASSERT(r); memset(&sin_out, 0, sizeof(sin_out)); memset(&sin6_out, 0, sizeof(sin6_out)); /* XXX some errnos mean 'no address'; some mean 'not enough sockets'. */ if ((fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) >= 0 && connect(fd, (struct sockaddr*)&sin, sizeof(sin)) == 0 && getsockname(fd, (struct sockaddr*)&sin_out, &sin_out_len) == 0) { /* We might have an IPv4 interface. */ evutil_found_ifaddr((struct sockaddr*) &sin_out); } if (fd >= 0) evutil_closesocket(fd); if ((fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP)) >= 0 && connect(fd, (struct sockaddr*)&sin6, sizeof(sin6)) == 0 && getsockname(fd, (struct sockaddr*)&sin6_out, &sin6_out_len) == 0) { /* We might have an IPv6 interface. */ evutil_found_ifaddr((struct sockaddr*) &sin6_out); } if (fd >= 0) evutil_closesocket(fd); return 0; } /* Internal addrinfo flag. This one is set when we allocate the addrinfo from * inside libevent. Otherwise, the built-in getaddrinfo() function allocated * it, and we should trust what they said. **/ #define EVUTIL_AI_LIBEVENT_ALLOCATED 0x80000000 /* Helper: construct a new addrinfo containing the socket address in * 'sa', which must be a sockaddr_in or a sockaddr_in6. Take the * socktype and protocol info from hints. If they weren't set, then * allocate both a TCP and a UDP addrinfo. */ struct evutil_addrinfo * evutil_new_addrinfo_(struct sockaddr *sa, ev_socklen_t socklen, const struct evutil_addrinfo *hints) { struct evutil_addrinfo *res; EVUTIL_ASSERT(hints); if (hints->ai_socktype == 0 && hints->ai_protocol == 0) { /* Indecisive user! Give them a UDP and a TCP. */ struct evutil_addrinfo *r1, *r2; struct evutil_addrinfo tmp; memcpy(&tmp, hints, sizeof(tmp)); tmp.ai_socktype = SOCK_STREAM; tmp.ai_protocol = IPPROTO_TCP; r1 = evutil_new_addrinfo_(sa, socklen, &tmp); if (!r1) return NULL; tmp.ai_socktype = SOCK_DGRAM; tmp.ai_protocol = IPPROTO_UDP; r2 = evutil_new_addrinfo_(sa, socklen, &tmp); if (!r2) { evutil_freeaddrinfo(r1); return NULL; } r1->ai_next = r2; return r1; } /* We're going to allocate extra space to hold the sockaddr. */ res = mm_calloc(1,sizeof(struct evutil_addrinfo)+socklen); if (!res) return NULL; res->ai_addr = (struct sockaddr*) (((char*)res) + sizeof(struct evutil_addrinfo)); memcpy(res->ai_addr, sa, socklen); res->ai_addrlen = socklen; res->ai_family = sa->sa_family; /* Same or not? XXX */ res->ai_flags = EVUTIL_AI_LIBEVENT_ALLOCATED; res->ai_socktype = hints->ai_socktype; res->ai_protocol = hints->ai_protocol; return res; } /* Append the addrinfo 'append' to the end of 'first', and return the start of * the list. Either element can be NULL, in which case we return the element * that is not NULL. */ struct evutil_addrinfo * evutil_addrinfo_append_(struct evutil_addrinfo *first, struct evutil_addrinfo *append) { struct evutil_addrinfo *ai = first; if (!ai) return append; while (ai->ai_next) ai = ai->ai_next; ai->ai_next = append; return first; } static int parse_numeric_servname(const char *servname) { int n; char *endptr=NULL; n = (int) strtol(servname, &endptr, 10); if (n>=0 && n <= 65535 && servname[0] && endptr && !endptr[0]) return n; else return -1; } /** Parse a service name in 'servname', which can be a decimal port. * Return the port number, or -1 on error. */ static int evutil_parse_servname(const char *servname, const char *protocol, const struct evutil_addrinfo *hints) { int n = parse_numeric_servname(servname); if (n>=0) return n; #if defined(EVENT__HAVE_GETSERVBYNAME) || defined(_WIN32) if (!(hints->ai_flags & EVUTIL_AI_NUMERICSERV)) { struct servent *ent = getservbyname(servname, protocol); if (ent) { return ntohs(ent->s_port); } } #endif return -1; } /* Return a string corresponding to a protocol number that we can pass to * getservyname. */ static const char * evutil_unparse_protoname(int proto) { switch (proto) { case 0: return NULL; case IPPROTO_TCP: return "tcp"; case IPPROTO_UDP: return "udp"; #ifdef IPPROTO_SCTP case IPPROTO_SCTP: return "sctp"; #endif default: #ifdef EVENT__HAVE_GETPROTOBYNUMBER { struct protoent *ent = getprotobynumber(proto); if (ent) return ent->p_name; } #endif return NULL; } } static void evutil_getaddrinfo_infer_protocols(struct evutil_addrinfo *hints) { /* If we can guess the protocol from the socktype, do so. */ if (!hints->ai_protocol && hints->ai_socktype) { if (hints->ai_socktype == SOCK_DGRAM) hints->ai_protocol = IPPROTO_UDP; else if (hints->ai_socktype == SOCK_STREAM) hints->ai_protocol = IPPROTO_TCP; } /* Set the socktype if it isn't set. */ if (!hints->ai_socktype && hints->ai_protocol) { if (hints->ai_protocol == IPPROTO_UDP) hints->ai_socktype = SOCK_DGRAM; else if (hints->ai_protocol == IPPROTO_TCP) hints->ai_socktype = SOCK_STREAM; #ifdef IPPROTO_SCTP else if (hints->ai_protocol == IPPROTO_SCTP) hints->ai_socktype = SOCK_STREAM; #endif } } #if AF_UNSPEC != PF_UNSPEC #error "I cannot build on a system where AF_UNSPEC != PF_UNSPEC" #endif /** Implements the part of looking up hosts by name that's common to both * the blocking and nonblocking resolver: * - Adjust 'hints' to have a reasonable socktype and protocol. * - Look up the port based on 'servname', and store it in *portnum, * - Handle the nodename==NULL case * - Handle some invalid arguments cases. * - Handle the cases where nodename is an IPv4 or IPv6 address. * * If we need the resolver to look up the hostname, we return * EVUTIL_EAI_NEED_RESOLVE. Otherwise, we can completely implement * getaddrinfo: we return 0 or an appropriate EVUTIL_EAI_* error, and * set *res as getaddrinfo would. */ int evutil_getaddrinfo_common_(const char *nodename, const char *servname, struct evutil_addrinfo *hints, struct evutil_addrinfo **res, int *portnum) { int port = 0; unsigned int if_index; const char *pname; if (nodename == NULL && servname == NULL) return EVUTIL_EAI_NONAME; /* We only understand 3 families */ if (hints->ai_family != PF_UNSPEC && hints->ai_family != PF_INET && hints->ai_family != PF_INET6) return EVUTIL_EAI_FAMILY; evutil_getaddrinfo_infer_protocols(hints); /* Look up the port number and protocol, if possible. */ pname = evutil_unparse_protoname(hints->ai_protocol); if (servname) { /* XXXX We could look at the protocol we got back from * getservbyname, but it doesn't seem too useful. */ port = evutil_parse_servname(servname, pname, hints); if (port < 0) { return EVUTIL_EAI_NONAME; } } /* If we have no node name, then we're supposed to bind to 'any' and * connect to localhost. */ if (nodename == NULL) { struct evutil_addrinfo *res4=NULL, *res6=NULL; if (hints->ai_family != PF_INET) { /* INET6 or UNSPEC. */ struct sockaddr_in6 sin6; memset(&sin6, 0, sizeof(sin6)); sin6.sin6_family = AF_INET6; sin6.sin6_port = htons(port); if (hints->ai_flags & EVUTIL_AI_PASSIVE) { /* Bind to :: */ } else { /* connect to ::1 */ sin6.sin6_addr.s6_addr[15] = 1; } res6 = evutil_new_addrinfo_((struct sockaddr*)&sin6, sizeof(sin6), hints); if (!res6) return EVUTIL_EAI_MEMORY; } if (hints->ai_family != PF_INET6) { /* INET or UNSPEC */ struct sockaddr_in sin; memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_port = htons(port); if (hints->ai_flags & EVUTIL_AI_PASSIVE) { /* Bind to 0.0.0.0 */ } else { /* connect to 127.0.0.1 */ sin.sin_addr.s_addr = htonl(0x7f000001); } res4 = evutil_new_addrinfo_((struct sockaddr*)&sin, sizeof(sin), hints); if (!res4) { if (res6) evutil_freeaddrinfo(res6); return EVUTIL_EAI_MEMORY; } } *res = evutil_addrinfo_append_(res4, res6); return 0; } /* If we can, we should try to parse the hostname without resolving * it. */ /* Try ipv6. */ if (hints->ai_family == PF_INET6 || hints->ai_family == PF_UNSPEC) { struct sockaddr_in6 sin6; memset(&sin6, 0, sizeof(sin6)); if (1 == evutil_inet_pton_scope( AF_INET6, nodename, &sin6.sin6_addr, &if_index)) { /* Got an ipv6 address. */ sin6.sin6_family = AF_INET6; sin6.sin6_port = htons(port); sin6.sin6_scope_id = if_index; *res = evutil_new_addrinfo_((struct sockaddr*)&sin6, sizeof(sin6), hints); if (!*res) return EVUTIL_EAI_MEMORY; return 0; } } /* Try ipv4. */ if (hints->ai_family == PF_INET || hints->ai_family == PF_UNSPEC) { struct sockaddr_in sin; memset(&sin, 0, sizeof(sin)); if (1==evutil_inet_pton(AF_INET, nodename, &sin.sin_addr)) { /* Got an ipv4 address. */ sin.sin_family = AF_INET; sin.sin_port = htons(port); *res = evutil_new_addrinfo_((struct sockaddr*)&sin, sizeof(sin), hints); if (!*res) return EVUTIL_EAI_MEMORY; return 0; } } /* If we have reached this point, we definitely need to do a DNS * lookup. */ if ((hints->ai_flags & EVUTIL_AI_NUMERICHOST)) { /* If we're not allowed to do one, then say so. */ return EVUTIL_EAI_NONAME; } *portnum = port; return EVUTIL_EAI_NEED_RESOLVE; } #ifdef EVENT__HAVE_GETADDRINFO #define USE_NATIVE_GETADDRINFO #endif #ifdef USE_NATIVE_GETADDRINFO /* A mask of all the flags that we declare, so we can clear them before calling * the native getaddrinfo */ static const unsigned int ALL_NONNATIVE_AI_FLAGS = #ifndef AI_PASSIVE EVUTIL_AI_PASSIVE | #endif #ifndef AI_CANONNAME EVUTIL_AI_CANONNAME | #endif #ifndef AI_NUMERICHOST EVUTIL_AI_NUMERICHOST | #endif #ifndef AI_NUMERICSERV EVUTIL_AI_NUMERICSERV | #endif #ifndef AI_ADDRCONFIG EVUTIL_AI_ADDRCONFIG | #endif #ifndef AI_ALL EVUTIL_AI_ALL | #endif #ifndef AI_V4MAPPED EVUTIL_AI_V4MAPPED | #endif EVUTIL_AI_LIBEVENT_ALLOCATED; static const unsigned int ALL_NATIVE_AI_FLAGS = #ifdef AI_PASSIVE AI_PASSIVE | #endif #ifdef AI_CANONNAME AI_CANONNAME | #endif #ifdef AI_NUMERICHOST AI_NUMERICHOST | #endif #ifdef AI_NUMERICSERV AI_NUMERICSERV | #endif #ifdef AI_ADDRCONFIG AI_ADDRCONFIG | #endif #ifdef AI_ALL AI_ALL | #endif #ifdef AI_V4MAPPED AI_V4MAPPED | #endif 0; #endif #ifndef USE_NATIVE_GETADDRINFO /* Helper for systems with no getaddrinfo(): make one or more addrinfos out of * a struct hostent. */ static struct evutil_addrinfo * addrinfo_from_hostent(const struct hostent *ent, int port, const struct evutil_addrinfo *hints) { int i; struct sockaddr_in sin; struct sockaddr_in6 sin6; struct sockaddr *sa; int socklen; struct evutil_addrinfo *res=NULL, *ai; void *addrp; if (ent->h_addrtype == PF_INET) { memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_port = htons(port); sa = (struct sockaddr *)&sin; socklen = sizeof(struct sockaddr_in); addrp = &sin.sin_addr; if (ent->h_length != sizeof(sin.sin_addr)) { event_warnx("Weird h_length from gethostbyname"); return NULL; } } else if (ent->h_addrtype == PF_INET6) { memset(&sin6, 0, sizeof(sin6)); sin6.sin6_family = AF_INET6; sin6.sin6_port = htons(port); sa = (struct sockaddr *)&sin6; socklen = sizeof(struct sockaddr_in6); addrp = &sin6.sin6_addr; if (ent->h_length != sizeof(sin6.sin6_addr)) { event_warnx("Weird h_length from gethostbyname"); return NULL; } } else return NULL; for (i = 0; ent->h_addr_list[i]; ++i) { memcpy(addrp, ent->h_addr_list[i], ent->h_length); ai = evutil_new_addrinfo_(sa, socklen, hints); if (!ai) { evutil_freeaddrinfo(res); return NULL; } res = evutil_addrinfo_append_(res, ai); } if (res && ((hints->ai_flags & EVUTIL_AI_CANONNAME) && ent->h_name)) { res->ai_canonname = mm_strdup(ent->h_name); if (res->ai_canonname == NULL) { evutil_freeaddrinfo(res); return NULL; } } return res; } #endif /* If the EVUTIL_AI_ADDRCONFIG flag is set on hints->ai_flags, and * hints->ai_family is PF_UNSPEC, then revise the value of hints->ai_family so * that we'll only get addresses we could maybe connect to. */ void evutil_adjust_hints_for_addrconfig_(struct evutil_addrinfo *hints) { if (!(hints->ai_flags & EVUTIL_AI_ADDRCONFIG)) return; if (hints->ai_family != PF_UNSPEC) return; evutil_check_interfaces(); if (had_ipv4_address && !had_ipv6_address) { hints->ai_family = PF_INET; } else if (!had_ipv4_address && had_ipv6_address) { hints->ai_family = PF_INET6; } } #ifdef USE_NATIVE_GETADDRINFO static int need_numeric_port_hack_=0; static int need_socktype_protocol_hack_=0; static int tested_for_getaddrinfo_hacks=0; /* Some older BSDs (like OpenBSD up to 4.6) used to believe that giving a numeric port without giving an ai_socktype was verboten. We test for this so we can apply an appropriate workaround. If it turns out that the bug is present, then: - If nodename==NULL and servname is numeric, we build an answer ourselves using evutil_getaddrinfo_common_(). - If nodename!=NULL and servname is numeric, then we set servname=NULL when calling getaddrinfo, and post-process the result to set the ports on it. We test for this bug at runtime, since otherwise we can't have the same binary run on multiple BSD versions. - Some versions of Solaris believe that it's nice to leave to protocol field set to 0. We test for this so we can apply an appropriate workaround. */ static struct evutil_addrinfo *ai_find_protocol(struct evutil_addrinfo *ai) { while (ai) { if (ai->ai_protocol) return ai; ai = ai->ai_next; } return NULL; } static void test_for_getaddrinfo_hacks(void) { int r, r2; struct evutil_addrinfo *ai=NULL, *ai2=NULL, *ai3=NULL; struct evutil_addrinfo hints; memset(&hints,0,sizeof(hints)); hints.ai_family = PF_UNSPEC; hints.ai_flags = #ifdef AI_NUMERICHOST AI_NUMERICHOST | #endif #ifdef AI_NUMERICSERV AI_NUMERICSERV | #endif 0; r = getaddrinfo("1.2.3.4", "80", &hints, &ai); getaddrinfo("1.2.3.4", NULL, &hints, &ai3); hints.ai_socktype = SOCK_STREAM; r2 = getaddrinfo("1.2.3.4", "80", &hints, &ai2); if (r2 == 0 && r != 0) { need_numeric_port_hack_=1; } if (!ai_find_protocol(ai2) || !ai_find_protocol(ai3)) { need_socktype_protocol_hack_=1; } if (ai) freeaddrinfo(ai); if (ai2) freeaddrinfo(ai2); if (ai3) freeaddrinfo(ai3); tested_for_getaddrinfo_hacks=1; } static inline int need_numeric_port_hack(void) { if (!tested_for_getaddrinfo_hacks) test_for_getaddrinfo_hacks(); return need_numeric_port_hack_; } static inline int need_socktype_protocol_hack(void) { if (!tested_for_getaddrinfo_hacks) test_for_getaddrinfo_hacks(); return need_socktype_protocol_hack_; } static void apply_numeric_port_hack(int port, struct evutil_addrinfo **ai) { /* Now we run through the list and set the ports on all of the * results where ports would make sense. */ for ( ; *ai; ai = &(*ai)->ai_next) { struct sockaddr *sa = (*ai)->ai_addr; if (sa && sa->sa_family == AF_INET) { struct sockaddr_in *sin = (struct sockaddr_in*)sa; sin->sin_port = htons(port); } else if (sa && sa->sa_family == AF_INET6) { struct sockaddr_in6 *sin6 = (struct sockaddr_in6*)sa; sin6->sin6_port = htons(port); } else { /* A numeric port makes no sense here; remove this one * from the list. */ struct evutil_addrinfo *victim = *ai; *ai = victim->ai_next; victim->ai_next = NULL; freeaddrinfo(victim); } } } static int apply_socktype_protocol_hack(struct evutil_addrinfo *ai) { struct evutil_addrinfo *ai_new; for (; ai; ai = ai->ai_next) { evutil_getaddrinfo_infer_protocols(ai); if (ai->ai_socktype || ai->ai_protocol) continue; ai_new = mm_malloc(sizeof(*ai_new)); if (!ai_new) return -1; memcpy(ai_new, ai, sizeof(*ai_new)); ai->ai_socktype = SOCK_STREAM; ai->ai_protocol = IPPROTO_TCP; ai_new->ai_socktype = SOCK_DGRAM; ai_new->ai_protocol = IPPROTO_UDP; ai_new->ai_next = ai->ai_next; ai->ai_next = ai_new; } return 0; } #endif int evutil_getaddrinfo(const char *nodename, const char *servname, const struct evutil_addrinfo *hints_in, struct evutil_addrinfo **res) { #ifdef USE_NATIVE_GETADDRINFO struct evutil_addrinfo hints; int portnum=-1, need_np_hack, err; if (hints_in) { memcpy(&hints, hints_in, sizeof(hints)); } else { memset(&hints, 0, sizeof(hints)); hints.ai_family = PF_UNSPEC; } #ifndef AI_ADDRCONFIG /* Not every system has AI_ADDRCONFIG, so fake it. */ if (hints.ai_family == PF_UNSPEC && (hints.ai_flags & EVUTIL_AI_ADDRCONFIG)) { evutil_adjust_hints_for_addrconfig_(&hints); } #endif #ifndef AI_NUMERICSERV /* Not every system has AI_NUMERICSERV, so fake it. */ if (hints.ai_flags & EVUTIL_AI_NUMERICSERV) { if (servname && parse_numeric_servname(servname)<0) return EVUTIL_EAI_NONAME; } #endif /* Enough operating systems handle enough common non-resolve * cases here weirdly enough that we are better off just * overriding them. For example: * * - Windows doesn't like to infer the protocol from the * socket type, or fill in socket or protocol types much at * all. It also seems to do its own broken implicit * always-on version of AI_ADDRCONFIG that keeps it from * ever resolving even a literal IPv6 address when * ai_addrtype is PF_UNSPEC. */ #ifdef _WIN32 { int tmp_port; err = evutil_getaddrinfo_common_(nodename,servname,&hints, res, &tmp_port); if (err == 0 || err == EVUTIL_EAI_MEMORY || err == EVUTIL_EAI_NONAME) return err; /* If we make it here, the system getaddrinfo can * have a crack at it. */ } #endif /* See documentation for need_numeric_port_hack above.*/ need_np_hack = need_numeric_port_hack() && servname && !hints.ai_socktype && ((portnum=parse_numeric_servname(servname)) >= 0); if (need_np_hack) { if (!nodename) return evutil_getaddrinfo_common_( NULL,servname,&hints, res, &portnum); servname = NULL; } if (need_socktype_protocol_hack()) { evutil_getaddrinfo_infer_protocols(&hints); } /* Make sure that we didn't actually steal any AI_FLAGS values that * the system is using. (This is a constant expression, and should ge * optimized out.) * * XXXX Turn this into a compile-time failure rather than a run-time * failure. */ EVUTIL_ASSERT((ALL_NONNATIVE_AI_FLAGS & ALL_NATIVE_AI_FLAGS) == 0); /* Clear any flags that only libevent understands. */ hints.ai_flags &= ~ALL_NONNATIVE_AI_FLAGS; err = getaddrinfo(nodename, servname, &hints, res); if (need_np_hack) apply_numeric_port_hack(portnum, res); if (need_socktype_protocol_hack()) { if (apply_socktype_protocol_hack(*res) < 0) { evutil_freeaddrinfo(*res); *res = NULL; return EVUTIL_EAI_MEMORY; } } return err; #else int port=0, err; struct hostent *ent = NULL; struct evutil_addrinfo hints; if (hints_in) { memcpy(&hints, hints_in, sizeof(hints)); } else { memset(&hints, 0, sizeof(hints)); hints.ai_family = PF_UNSPEC; } evutil_adjust_hints_for_addrconfig_(&hints); err = evutil_getaddrinfo_common_(nodename, servname, &hints, res, &port); if (err != EVUTIL_EAI_NEED_RESOLVE) { /* We either succeeded or failed. No need to continue */ return err; } err = 0; /* Use any of the various gethostbyname_r variants as available. */ { #ifdef EVENT__HAVE_GETHOSTBYNAME_R_6_ARG /* This one is what glibc provides. */ char buf[2048]; struct hostent hostent; int r; r = gethostbyname_r(nodename, &hostent, buf, sizeof(buf), &ent, &err); #elif defined(EVENT__HAVE_GETHOSTBYNAME_R_5_ARG) char buf[2048]; struct hostent hostent; ent = gethostbyname_r(nodename, &hostent, buf, sizeof(buf), &err); #elif defined(EVENT__HAVE_GETHOSTBYNAME_R_3_ARG) struct hostent_data data; struct hostent hostent; memset(&data, 0, sizeof(data)); err = gethostbyname_r(nodename, &hostent, &data); ent = err ? NULL : &hostent; #else /* fall back to gethostbyname. */ /* XXXX This needs a lock everywhere but Windows. */ ent = gethostbyname(nodename); #ifdef _WIN32 err = WSAGetLastError(); #else err = h_errno; #endif #endif /* Now we have either ent or err set. */ if (!ent) { /* XXX is this right for windows ? */ switch (err) { case TRY_AGAIN: return EVUTIL_EAI_AGAIN; case NO_RECOVERY: default: return EVUTIL_EAI_FAIL; case HOST_NOT_FOUND: return EVUTIL_EAI_NONAME; case NO_ADDRESS: #if NO_DATA != NO_ADDRESS case NO_DATA: #endif return EVUTIL_EAI_NODATA; } } if (ent->h_addrtype != hints.ai_family && hints.ai_family != PF_UNSPEC) { /* This wasn't the type we were hoping for. Too bad * we never had a chance to ask gethostbyname for what * we wanted. */ return EVUTIL_EAI_NONAME; } /* Make sure we got _some_ answers. */ if (ent->h_length == 0) return EVUTIL_EAI_NODATA; /* If we got an address type we don't know how to make a sockaddr for, give up. */ if (ent->h_addrtype != PF_INET && ent->h_addrtype != PF_INET6) return EVUTIL_EAI_FAMILY; *res = addrinfo_from_hostent(ent, port, &hints); if (! *res) return EVUTIL_EAI_MEMORY; } return 0; #endif } void evutil_freeaddrinfo(struct evutil_addrinfo *ai) { #ifdef EVENT__HAVE_GETADDRINFO if (!(ai->ai_flags & EVUTIL_AI_LIBEVENT_ALLOCATED)) { freeaddrinfo(ai); return; } #endif while (ai) { struct evutil_addrinfo *next = ai->ai_next; if (ai->ai_canonname) mm_free(ai->ai_canonname); mm_free(ai); ai = next; } } static evdns_getaddrinfo_fn evdns_getaddrinfo_impl = NULL; static evdns_getaddrinfo_cancel_fn evdns_getaddrinfo_cancel_impl = NULL; void evutil_set_evdns_getaddrinfo_fn_(evdns_getaddrinfo_fn fn) { if (!evdns_getaddrinfo_impl) evdns_getaddrinfo_impl = fn; } void evutil_set_evdns_getaddrinfo_cancel_fn_(evdns_getaddrinfo_cancel_fn fn) { if (!evdns_getaddrinfo_cancel_impl) evdns_getaddrinfo_cancel_impl = fn; } /* Internal helper function: act like evdns_getaddrinfo if dns_base is set; * otherwise do a blocking resolve and pass the result to the callback in the * way that evdns_getaddrinfo would. */ struct evdns_getaddrinfo_request *evutil_getaddrinfo_async_( struct evdns_base *dns_base, const char *nodename, const char *servname, const struct evutil_addrinfo *hints_in, void (*cb)(int, struct evutil_addrinfo *, void *), void *arg) { if (dns_base && evdns_getaddrinfo_impl) { return evdns_getaddrinfo_impl( dns_base, nodename, servname, hints_in, cb, arg); } else { struct evutil_addrinfo *ai=NULL; int err; err = evutil_getaddrinfo(nodename, servname, hints_in, &ai); cb(err, ai, arg); return NULL; } } void evutil_getaddrinfo_cancel_async_(struct evdns_getaddrinfo_request *data) { if (evdns_getaddrinfo_cancel_impl && data) { evdns_getaddrinfo_cancel_impl(data); } } const char * evutil_gai_strerror(int err) { /* As a sneaky side-benefit, this case statement will get most * compilers to tell us if any of the error codes we defined * conflict with the platform's native error codes. */ switch (err) { case EVUTIL_EAI_CANCEL: return "Request canceled"; case 0: return "No error"; case EVUTIL_EAI_ADDRFAMILY: return "address family for nodename not supported"; case EVUTIL_EAI_AGAIN: return "temporary failure in name resolution"; case EVUTIL_EAI_BADFLAGS: return "invalid value for ai_flags"; case EVUTIL_EAI_FAIL: return "non-recoverable failure in name resolution"; case EVUTIL_EAI_FAMILY: return "ai_family not supported"; case EVUTIL_EAI_MEMORY: return "memory allocation failure"; case EVUTIL_EAI_NODATA: return "no address associated with nodename"; case EVUTIL_EAI_NONAME: return "nodename nor servname provided, or not known"; case EVUTIL_EAI_SERVICE: return "servname not supported for ai_socktype"; case EVUTIL_EAI_SOCKTYPE: return "ai_socktype not supported"; case EVUTIL_EAI_SYSTEM: return "system error"; default: #if defined(USE_NATIVE_GETADDRINFO) && defined(_WIN32) return gai_strerrorA(err); #elif defined(USE_NATIVE_GETADDRINFO) return gai_strerror(err); #else return "Unknown error code"; #endif } } #ifdef _WIN32 /* destructively remove a trailing line terminator from s */ static void chomp (char *s) { size_t len; if (s && (len = strlen (s)) > 0 && s[len - 1] == '\n') { s[--len] = 0; if (len > 0 && s[len - 1] == '\r') s[--len] = 0; } } /* FormatMessage returns allocated strings, but evutil_socket_error_to_string * is supposed to return a string which is good indefinitely without having * to be freed. To make this work without leaking memory, we cache the * string the first time FormatMessage is called on a particular error * code, and then return the cached string on subsequent calls with the * same code. The strings aren't freed until libevent_global_shutdown * (or never). We use a linked list to cache the errors, because we * only expect there to be a few dozen, and that should be fast enough. */ struct cached_sock_errs_entry { HT_ENTRY(cached_sock_errs_entry) node; DWORD code; char *msg; /* allocated with LocalAlloc; free with LocalFree */ }; static inline unsigned hash_cached_sock_errs(const struct cached_sock_errs_entry *e) { /* Use Murmur3's 32-bit finalizer as an integer hash function */ DWORD h = e->code; h ^= h >> 16; h *= 0x85ebca6b; h ^= h >> 13; h *= 0xc2b2ae35; h ^= h >> 16; return h; } static inline int eq_cached_sock_errs(const struct cached_sock_errs_entry *a, const struct cached_sock_errs_entry *b) { return a->code == b->code; } #ifndef EVENT__DISABLE_THREAD_SUPPORT static void *windows_socket_errors_lock_ = NULL; #endif static HT_HEAD(cached_sock_errs_map, cached_sock_errs_entry) windows_socket_errors = HT_INITIALIZER(); HT_PROTOTYPE(cached_sock_errs_map, cached_sock_errs_entry, node, hash_cached_sock_errs, eq_cached_sock_errs); HT_GENERATE(cached_sock_errs_map, cached_sock_errs_entry, node, hash_cached_sock_errs, eq_cached_sock_errs, 0.5, mm_malloc, mm_realloc, mm_free); /** Equivalent to strerror, but for windows socket errors. */ const char * evutil_socket_error_to_string(int errcode) { struct cached_sock_errs_entry *errs, *newerr, find; char *msg = NULL; EVLOCK_LOCK(windows_socket_errors_lock_, 0); find.code = errcode; errs = HT_FIND(cached_sock_errs_map, &windows_socket_errors, &find); if (errs) { msg = errs->msg; goto done; } if (0 != FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, errcode, 0, (char *)&msg, 0, NULL)) chomp (msg); /* because message has trailing newline */ else { size_t len = 50; /* use LocalAlloc because FormatMessage does */ msg = LocalAlloc(LMEM_FIXED, len); if (!msg) { msg = (char *)"LocalAlloc failed during Winsock error"; goto done; } evutil_snprintf(msg, len, "winsock error 0x%08x", errcode); } newerr = (struct cached_sock_errs_entry *) mm_malloc(sizeof (struct cached_sock_errs_entry)); if (!newerr) { LocalFree(msg); msg = (char *)"malloc failed during Winsock error"; goto done; } newerr->code = errcode; newerr->msg = msg; HT_INSERT(cached_sock_errs_map, &windows_socket_errors, newerr); done: EVLOCK_UNLOCK(windows_socket_errors_lock_, 0); return msg; } #ifndef EVENT__DISABLE_THREAD_SUPPORT int evutil_global_setup_locks_(const int enable_locks) { EVTHREAD_SETUP_GLOBAL_LOCK(windows_socket_errors_lock_, 0); return 0; } #endif static void evutil_free_sock_err_globals(void) { struct cached_sock_errs_entry **errs, *tofree; for (errs = HT_START(cached_sock_errs_map, &windows_socket_errors) ; errs; ) { tofree = *errs; errs = HT_NEXT_RMV(cached_sock_errs_map, &windows_socket_errors, errs); LocalFree(tofree->msg); mm_free(tofree); } HT_CLEAR(cached_sock_errs_map, &windows_socket_errors); #ifndef EVENT__DISABLE_THREAD_SUPPORT if (windows_socket_errors_lock_ != NULL) { EVTHREAD_FREE_LOCK(windows_socket_errors_lock_, 0); windows_socket_errors_lock_ = NULL; } #endif } #else #ifndef EVENT__DISABLE_THREAD_SUPPORT int evutil_global_setup_locks_(const int enable_locks) { return 0; } #endif static void evutil_free_sock_err_globals(void) { } #endif int evutil_snprintf(char *buf, size_t buflen, const char *format, ...) { int r; va_list ap; va_start(ap, format); r = evutil_vsnprintf(buf, buflen, format, ap); va_end(ap); return r; } int evutil_vsnprintf(char *buf, size_t buflen, const char *format, va_list ap) { int r; if (!buflen) return 0; #if defined(_MSC_VER) || defined(_WIN32) r = _vsnprintf(buf, buflen, format, ap); if (r < 0) r = _vscprintf(format, ap); #elif defined(sgi) /* Make sure we always use the correct vsnprintf on IRIX */ extern int _xpg5_vsnprintf(char * __restrict, __SGI_LIBC_NAMESPACE_QUALIFIER size_t, const char * __restrict, /* va_list */ char *); r = _xpg5_vsnprintf(buf, buflen, format, ap); #else r = vsnprintf(buf, buflen, format, ap); #endif buf[buflen-1] = '\0'; return r; } #define USE_INTERNAL_NTOP #define USE_INTERNAL_PTON const char * evutil_inet_ntop(int af, const void *src, char *dst, size_t len) { #if defined(EVENT__HAVE_INET_NTOP) && !defined(USE_INTERNAL_NTOP) return inet_ntop(af, src, dst, len); #else if (af == AF_INET) { const struct in_addr *in = src; const ev_uint32_t a = ntohl(in->s_addr); int r; r = evutil_snprintf(dst, len, "%d.%d.%d.%d", (int)(ev_uint8_t)((a>>24)&0xff), (int)(ev_uint8_t)((a>>16)&0xff), (int)(ev_uint8_t)((a>>8 )&0xff), (int)(ev_uint8_t)((a )&0xff)); if (r<0||(size_t)r>=len) return NULL; else return dst; #ifdef AF_INET6 } else if (af == AF_INET6) { const struct in6_addr *addr = src; char buf[64], *cp; int longestGapLen = 0, longestGapPos = -1, i, curGapPos = -1, curGapLen = 0; ev_uint16_t words[8]; for (i = 0; i < 8; ++i) { words[i] = (((ev_uint16_t)addr->s6_addr[2*i])<<8) + addr->s6_addr[2*i+1]; } if (words[0] == 0 && words[1] == 0 && words[2] == 0 && words[3] == 0 && words[4] == 0 && ((words[5] == 0 && words[6] && words[7]) || (words[5] == 0xffff))) { /* This is an IPv4 address. */ if (words[5] == 0) { evutil_snprintf(buf, sizeof(buf), "::%d.%d.%d.%d", addr->s6_addr[12], addr->s6_addr[13], addr->s6_addr[14], addr->s6_addr[15]); } else { evutil_snprintf(buf, sizeof(buf), "::%x:%d.%d.%d.%d", words[5], addr->s6_addr[12], addr->s6_addr[13], addr->s6_addr[14], addr->s6_addr[15]); } if (strlen(buf) > len) return NULL; strlcpy(dst, buf, len); return dst; } i = 0; while (i < 8) { if (words[i] == 0) { curGapPos = i++; curGapLen = 1; while (i<8 && words[i] == 0) { ++i; ++curGapLen; } if (curGapLen > longestGapLen) { longestGapPos = curGapPos; longestGapLen = curGapLen; } } else { ++i; } } if (longestGapLen<=1) longestGapPos = -1; cp = buf; for (i = 0; i < 8; ++i) { if (words[i] == 0 && longestGapPos == i) { if (i == 0) *cp++ = ':'; *cp++ = ':'; while (i < 8 && words[i] == 0) ++i; --i; /* to compensate for loop increment. */ } else { evutil_snprintf(cp, sizeof(buf)-(cp-buf), "%x", (unsigned)words[i]); cp += strlen(cp); if (i != 7) *cp++ = ':'; } } *cp = '\0'; if (strlen(buf) > len) return NULL; strlcpy(dst, buf, len); return dst; #endif } else { return NULL; } #endif } int evutil_inet_pton_scope(int af, const char *src, void *dst, unsigned *indexp) { int r; unsigned if_index; char *check, *cp, *tmp_src; *indexp = 0; /* Reasonable default */ /* Bail out if not IPv6 */ if (af != AF_INET6) return evutil_inet_pton(af, src, dst); cp = strchr(src, '%'); /* Bail out if no zone ID */ if (cp == NULL) return evutil_inet_pton(af, src, dst); if_index = if_nametoindex(cp + 1); if (if_index == 0) { /* Could be numeric */ if_index = strtoul(cp + 1, &check, 10); if (check[0] != '\0') return 0; } *indexp = if_index; tmp_src = mm_strdup(src); cp = strchr(tmp_src, '%'); *cp = '\0'; r = evutil_inet_pton(af, tmp_src, dst); free(tmp_src); return r; } int evutil_inet_pton(int af, const char *src, void *dst) { #if defined(EVENT__HAVE_INET_PTON) && !defined(USE_INTERNAL_PTON) return inet_pton(af, src, dst); #else if (af == AF_INET) { unsigned a,b,c,d; char more; struct in_addr *addr = dst; if (sscanf(src, "%u.%u.%u.%u%c", &a,&b,&c,&d,&more) != 4) return 0; if (a > 255) return 0; if (b > 255) return 0; if (c > 255) return 0; if (d > 255) return 0; addr->s_addr = htonl((a<<24) | (b<<16) | (c<<8) | d); return 1; #ifdef AF_INET6 } else if (af == AF_INET6) { struct in6_addr *out = dst; ev_uint16_t words[8]; int gapPos = -1, i, setWords=0; const char *dot = strchr(src, '.'); const char *eow; /* end of words. */ if (dot == src) return 0; else if (!dot) eow = src+strlen(src); else { unsigned byte1,byte2,byte3,byte4; char more; for (eow = dot-1; eow >= src && EVUTIL_ISDIGIT_(*eow); --eow) ; ++eow; /* We use "scanf" because some platform inet_aton()s are too lax * about IPv4 addresses of the form "1.2.3" */ if (sscanf(eow, "%u.%u.%u.%u%c", &byte1,&byte2,&byte3,&byte4,&more) != 4) return 0; if (byte1 > 255 || byte2 > 255 || byte3 > 255 || byte4 > 255) return 0; words[6] = (byte1<<8) | byte2; words[7] = (byte3<<8) | byte4; setWords += 2; } i = 0; while (src < eow) { if (i > 7) return 0; if (EVUTIL_ISXDIGIT_(*src)) { char *next; long r = strtol(src, &next, 16); if (next > 4+src) return 0; if (next == src) return 0; if (r<0 || r>65536) return 0; words[i++] = (ev_uint16_t)r; setWords++; src = next; if (*src != ':' && src != eow) return 0; ++src; } else if (*src == ':' && i > 0 && gapPos==-1) { gapPos = i; ++src; } else if (*src == ':' && i == 0 && src[1] == ':' && gapPos==-1) { gapPos = i; src += 2; } else { return 0; } } if (setWords > 8 || (setWords == 8 && gapPos != -1) || (setWords < 8 && gapPos == -1)) return 0; if (gapPos >= 0) { int nToMove = setWords - (dot ? 2 : 0) - gapPos; int gapLen = 8 - setWords; /* assert(nToMove >= 0); */ if (nToMove < 0) return -1; /* should be impossible */ memmove(&words[gapPos+gapLen], &words[gapPos], sizeof(ev_uint16_t)*nToMove); memset(&words[gapPos], 0, sizeof(ev_uint16_t)*gapLen); } for (i = 0; i < 8; ++i) { out->s6_addr[2*i ] = words[i] >> 8; out->s6_addr[2*i+1] = words[i] & 0xff; } return 1; #endif } else { return -1; } #endif } int evutil_parse_sockaddr_port(const char *ip_as_string, struct sockaddr *out, int *outlen) { int port; unsigned int if_index; char buf[128]; const char *cp, *addr_part, *port_part; int is_ipv6; /* recognized formats are: * [ipv6]:port * ipv6 * [ipv6] * ipv4:port * ipv4 */ cp = strchr(ip_as_string, ':'); if (*ip_as_string == '[') { size_t len; if (!(cp = strchr(ip_as_string, ']'))) { return -1; } len = ( cp-(ip_as_string + 1) ); if (len > sizeof(buf)-1) { return -1; } memcpy(buf, ip_as_string+1, len); buf[len] = '\0'; addr_part = buf; if (cp[1] == ':') port_part = cp+2; else port_part = NULL; is_ipv6 = 1; } else if (cp && strchr(cp+1, ':')) { is_ipv6 = 1; addr_part = ip_as_string; port_part = NULL; } else if (cp) { is_ipv6 = 0; if (cp - ip_as_string > (int)sizeof(buf)-1) { return -1; } memcpy(buf, ip_as_string, cp-ip_as_string); buf[cp-ip_as_string] = '\0'; addr_part = buf; port_part = cp+1; } else { addr_part = ip_as_string; port_part = NULL; is_ipv6 = 0; } if (port_part == NULL) { port = 0; } else { port = atoi(port_part); if (port <= 0 || port > 65535) { return -1; } } if (!addr_part) return -1; /* Should be impossible. */ #ifdef AF_INET6 if (is_ipv6) { struct sockaddr_in6 sin6; memset(&sin6, 0, sizeof(sin6)); #ifdef EVENT__HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN sin6.sin6_len = sizeof(sin6); #endif sin6.sin6_family = AF_INET6; sin6.sin6_port = htons(port); if (1 != evutil_inet_pton_scope( AF_INET6, addr_part, &sin6.sin6_addr, &if_index)) { return -1; } if ((int)sizeof(sin6) > *outlen) return -1; sin6.sin6_scope_id = if_index; memset(out, 0, *outlen); memcpy(out, &sin6, sizeof(sin6)); *outlen = sizeof(sin6); return 0; } else #endif { struct sockaddr_in sin; memset(&sin, 0, sizeof(sin)); #ifdef EVENT__HAVE_STRUCT_SOCKADDR_IN_SIN_LEN sin.sin_len = sizeof(sin); #endif sin.sin_family = AF_INET; sin.sin_port = htons(port); if (1 != evutil_inet_pton(AF_INET, addr_part, &sin.sin_addr)) return -1; if ((int)sizeof(sin) > *outlen) return -1; memset(out, 0, *outlen); memcpy(out, &sin, sizeof(sin)); *outlen = sizeof(sin); return 0; } } const char * evutil_format_sockaddr_port_(const struct sockaddr *sa, char *out, size_t outlen) { char b[128]; const char *res=NULL; int port; if (sa->sa_family == AF_INET) { const struct sockaddr_in *sin = (const struct sockaddr_in*)sa; res = evutil_inet_ntop(AF_INET, &sin->sin_addr,b,sizeof(b)); port = ntohs(sin->sin_port); if (res) { evutil_snprintf(out, outlen, "%s:%d", b, port); return out; } } else if (sa->sa_family == AF_INET6) { const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6*)sa; res = evutil_inet_ntop(AF_INET6, &sin6->sin6_addr,b,sizeof(b)); port = ntohs(sin6->sin6_port); if (res) { evutil_snprintf(out, outlen, "[%s]:%d", b, port); return out; } } evutil_snprintf(out, outlen, "", (int)sa->sa_family); return out; } int evutil_sockaddr_cmp(const struct sockaddr *sa1, const struct sockaddr *sa2, int include_port) { int r; if (0 != (r = (sa1->sa_family - sa2->sa_family))) return r; if (sa1->sa_family == AF_INET) { const struct sockaddr_in *sin1, *sin2; sin1 = (const struct sockaddr_in *)sa1; sin2 = (const struct sockaddr_in *)sa2; if (sin1->sin_addr.s_addr < sin2->sin_addr.s_addr) return -1; else if (sin1->sin_addr.s_addr > sin2->sin_addr.s_addr) return 1; else if (include_port && (r = ((int)sin1->sin_port - (int)sin2->sin_port))) return r; else return 0; } #ifdef AF_INET6 else if (sa1->sa_family == AF_INET6) { const struct sockaddr_in6 *sin1, *sin2; sin1 = (const struct sockaddr_in6 *)sa1; sin2 = (const struct sockaddr_in6 *)sa2; if ((r = memcmp(sin1->sin6_addr.s6_addr, sin2->sin6_addr.s6_addr, 16))) return r; else if (include_port && (r = ((int)sin1->sin6_port - (int)sin2->sin6_port))) return r; else return 0; } #endif return 1; } /* Tables to implement ctypes-replacement EVUTIL_IS*() functions. Each table * has 256 bits to look up whether a character is in some set or not. This * fails on non-ASCII platforms, but so does every other place where we * take a char and write it onto the network. **/ static const ev_uint32_t EVUTIL_ISALPHA_TABLE[8] = { 0, 0, 0x7fffffe, 0x7fffffe, 0, 0, 0, 0 }; static const ev_uint32_t EVUTIL_ISALNUM_TABLE[8] = { 0, 0x3ff0000, 0x7fffffe, 0x7fffffe, 0, 0, 0, 0 }; static const ev_uint32_t EVUTIL_ISSPACE_TABLE[8] = { 0x3e00, 0x1, 0, 0, 0, 0, 0, 0 }; static const ev_uint32_t EVUTIL_ISXDIGIT_TABLE[8] = { 0, 0x3ff0000, 0x7e, 0x7e, 0, 0, 0, 0 }; static const ev_uint32_t EVUTIL_ISDIGIT_TABLE[8] = { 0, 0x3ff0000, 0, 0, 0, 0, 0, 0 }; static const ev_uint32_t EVUTIL_ISPRINT_TABLE[8] = { 0, 0xffffffff, 0xffffffff, 0x7fffffff, 0, 0, 0, 0x0 }; static const ev_uint32_t EVUTIL_ISUPPER_TABLE[8] = { 0, 0, 0x7fffffe, 0, 0, 0, 0, 0 }; static const ev_uint32_t EVUTIL_ISLOWER_TABLE[8] = { 0, 0, 0, 0x7fffffe, 0, 0, 0, 0 }; /* Upper-casing and lowercasing tables to map characters to upper/lowercase * equivalents. */ static const unsigned char EVUTIL_TOUPPER_TABLE[256] = { 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31, 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47, 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63, 64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79, 80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95, 96,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79, 80,81,82,83,84,85,86,87,88,89,90,123,124,125,126,127, 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159, 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175, 176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191, 192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207, 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223, 224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239, 240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255, }; static const unsigned char EVUTIL_TOLOWER_TABLE[256] = { 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31, 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47, 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63, 64,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111, 112,113,114,115,116,117,118,119,120,121,122,91,92,93,94,95, 96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111, 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127, 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159, 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175, 176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191, 192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207, 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223, 224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239, 240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255, }; #define IMPL_CTYPE_FN(name) \ int EVUTIL_##name##_(char c) { \ ev_uint8_t u = c; \ return !!(EVUTIL_##name##_TABLE[(u >> 5) & 7] & (1U << (u & 31))); \ } IMPL_CTYPE_FN(ISALPHA) IMPL_CTYPE_FN(ISALNUM) IMPL_CTYPE_FN(ISSPACE) IMPL_CTYPE_FN(ISDIGIT) IMPL_CTYPE_FN(ISXDIGIT) IMPL_CTYPE_FN(ISPRINT) IMPL_CTYPE_FN(ISLOWER) IMPL_CTYPE_FN(ISUPPER) char EVUTIL_TOLOWER_(char c) { return ((char)EVUTIL_TOLOWER_TABLE[(ev_uint8_t)c]); } char EVUTIL_TOUPPER_(char c) { return ((char)EVUTIL_TOUPPER_TABLE[(ev_uint8_t)c]); } int evutil_ascii_strcasecmp(const char *s1, const char *s2) { char c1, c2; while (1) { c1 = EVUTIL_TOLOWER_(*s1++); c2 = EVUTIL_TOLOWER_(*s2++); if (c1 < c2) return -1; else if (c1 > c2) return 1; else if (c1 == 0) return 0; } } int evutil_ascii_strncasecmp(const char *s1, const char *s2, size_t n) { char c1, c2; while (n--) { c1 = EVUTIL_TOLOWER_(*s1++); c2 = EVUTIL_TOLOWER_(*s2++); if (c1 < c2) return -1; else if (c1 > c2) return 1; else if (c1 == 0) return 0; } return 0; } void evutil_rtrim_lws_(char *str) { char *cp; if (str == NULL) return; if ((cp = strchr(str, '\0')) == NULL || (cp == str)) return; --cp; while (*cp == ' ' || *cp == '\t') { *cp = '\0'; if (cp == str) break; --cp; } } static int evutil_issetugid(void) { #ifdef EVENT__HAVE_ISSETUGID return issetugid(); #else #ifdef EVENT__HAVE_GETEUID if (getuid() != geteuid()) return 1; #endif #ifdef EVENT__HAVE_GETEGID if (getgid() != getegid()) return 1; #endif return 0; #endif } const char * evutil_getenv_(const char *varname) { if (evutil_issetugid()) return NULL; return getenv(varname); } ev_uint32_t evutil_weakrand_seed_(struct evutil_weakrand_state *state, ev_uint32_t seed) { if (seed == 0) { struct timeval tv; evutil_gettimeofday(&tv, NULL); seed = (ev_uint32_t)tv.tv_sec + (ev_uint32_t)tv.tv_usec; #ifdef _WIN32 seed += (ev_uint32_t) _getpid(); #else seed += (ev_uint32_t) getpid(); #endif } state->seed = seed; return seed; } ev_int32_t evutil_weakrand_(struct evutil_weakrand_state *state) { /* This RNG implementation is a linear congruential generator, with * modulus 2^31, multiplier 1103515245, and addend 12345. It's also * used by OpenBSD, and by Glibc's TYPE_0 RNG. * * The linear congruential generator is not an industrial-strength * RNG! It's fast, but it can have higher-order patterns. Notably, * the low bits tend to have periodicity. */ state->seed = ((state->seed) * 1103515245 + 12345) & 0x7fffffff; return (ev_int32_t)(state->seed); } ev_int32_t evutil_weakrand_range_(struct evutil_weakrand_state *state, ev_int32_t top) { ev_int32_t divisor, result; /* We can't just do weakrand() % top, since the low bits of the LCG * are less random than the high ones. (Specifically, since the LCG * modulus is 2^N, every 2^m for m= top); return result; } /** * Volatile pointer to memset: we use this to keep the compiler from * eliminating our call to memset. */ void * (*volatile evutil_memset_volatile_)(void *, int, size_t) = memset; void evutil_memclear_(void *mem, size_t len) { evutil_memset_volatile_(mem, 0, len); } int evutil_sockaddr_is_loopback_(const struct sockaddr *addr) { static const char LOOPBACK_S6[16] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1"; if (addr->sa_family == AF_INET) { struct sockaddr_in *sin = (struct sockaddr_in *)addr; return (ntohl(sin->sin_addr.s_addr) & 0xff000000) == 0x7f000000; } else if (addr->sa_family == AF_INET6) { struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)addr; return !memcmp(sin6->sin6_addr.s6_addr, LOOPBACK_S6, 16); } return 0; } int evutil_hex_char_to_int_(char c) { switch(c) { case '0': return 0; case '1': return 1; case '2': return 2; case '3': return 3; case '4': return 4; case '5': return 5; case '6': return 6; case '7': return 7; case '8': return 8; case '9': return 9; case 'A': case 'a': return 10; case 'B': case 'b': return 11; case 'C': case 'c': return 12; case 'D': case 'd': return 13; case 'E': case 'e': return 14; case 'F': case 'f': return 15; } return -1; } #ifdef _WIN32 HMODULE evutil_load_windows_system_library_(const TCHAR *library_name) { TCHAR path[MAX_PATH]; unsigned n; n = GetSystemDirectory(path, MAX_PATH); if (n == 0 || n + _tcslen(library_name) + 2 >= MAX_PATH) return 0; _tcscat(path, TEXT("\\")); _tcscat(path, library_name); return LoadLibrary(path); } #endif /* Internal wrapper around 'socket' to provide Linux-style support for * syscall-saving methods where available. * * In addition to regular socket behavior, you can use a bitwise or to set the * flags EVUTIL_SOCK_NONBLOCK and EVUTIL_SOCK_CLOEXEC in the 'type' argument, * to make the socket nonblocking or close-on-exec with as few syscalls as * possible. */ evutil_socket_t evutil_socket_(int domain, int type, int protocol) { evutil_socket_t r; #if defined(SOCK_NONBLOCK) && defined(SOCK_CLOEXEC) r = socket(domain, type, protocol); if (r >= 0) return r; else if ((type & (SOCK_NONBLOCK|SOCK_CLOEXEC)) == 0) return -1; #endif #define SOCKET_TYPE_MASK (~(EVUTIL_SOCK_NONBLOCK|EVUTIL_SOCK_CLOEXEC)) r = socket(domain, type & SOCKET_TYPE_MASK, protocol); if (r < 0) return -1; if (type & EVUTIL_SOCK_NONBLOCK) { if (evutil_fast_socket_nonblocking(r) < 0) { evutil_closesocket(r); return -1; } } if (type & EVUTIL_SOCK_CLOEXEC) { if (evutil_fast_socket_closeonexec(r) < 0) { evutil_closesocket(r); return -1; } } return r; } /* Internal wrapper around 'accept' or 'accept4' to provide Linux-style * support for syscall-saving methods where available. * * In addition to regular accept behavior, you can set one or more of flags * EVUTIL_SOCK_NONBLOCK and EVUTIL_SOCK_CLOEXEC in the 'flags' argument, to * make the socket nonblocking or close-on-exec with as few syscalls as * possible. */ evutil_socket_t evutil_accept4_(evutil_socket_t sockfd, struct sockaddr *addr, ev_socklen_t *addrlen, int flags) { evutil_socket_t result; #if defined(EVENT__HAVE_ACCEPT4) && defined(SOCK_CLOEXEC) && defined(SOCK_NONBLOCK) result = accept4(sockfd, addr, addrlen, flags); if (result >= 0 || (errno != EINVAL && errno != ENOSYS)) { /* A nonnegative result means that we succeeded, so return. * Failing with EINVAL means that an option wasn't supported, * and failing with ENOSYS means that the syscall wasn't * there: in those cases we want to fall back. Otherwise, we * got a real error, and we should return. */ return result; } #endif result = accept(sockfd, addr, addrlen); if (result < 0) return result; if (flags & EVUTIL_SOCK_CLOEXEC) { if (evutil_fast_socket_closeonexec(result) < 0) { evutil_closesocket(result); return -1; } } if (flags & EVUTIL_SOCK_NONBLOCK) { if (evutil_fast_socket_nonblocking(result) < 0) { evutil_closesocket(result); return -1; } } return result; } /* Internal function: Set fd[0] and fd[1] to a pair of fds such that writes on * fd[1] get read from fd[0]. Make both fds nonblocking and close-on-exec. * Return 0 on success, -1 on failure. */ int evutil_make_internal_pipe_(evutil_socket_t fd[2]) { /* Making the second socket nonblocking is a bit subtle, given that we ignore any EAGAIN returns when writing to it, and you don't usally do that for a nonblocking socket. But if the kernel gives us EAGAIN, then there's no need to add any more data to the buffer, since the main thread is already either about to wake up and drain it, or woken up and in the process of draining it. */ #if defined(EVENT__HAVE_PIPE2) if (pipe2(fd, O_NONBLOCK|O_CLOEXEC) == 0) return 0; #endif #if defined(EVENT__HAVE_PIPE) if (pipe(fd) == 0) { if (evutil_fast_socket_nonblocking(fd[0]) < 0 || evutil_fast_socket_nonblocking(fd[1]) < 0 || evutil_fast_socket_closeonexec(fd[0]) < 0 || evutil_fast_socket_closeonexec(fd[1]) < 0) { close(fd[0]); close(fd[1]); fd[0] = fd[1] = -1; return -1; } return 0; } else { event_warn("%s: pipe", __func__); } #endif #ifdef _WIN32 #define LOCAL_SOCKETPAIR_AF AF_INET #else #define LOCAL_SOCKETPAIR_AF AF_UNIX #endif if (evutil_socketpair(LOCAL_SOCKETPAIR_AF, SOCK_STREAM, 0, fd) == 0) { if (evutil_fast_socket_nonblocking(fd[0]) < 0 || evutil_fast_socket_nonblocking(fd[1]) < 0 || evutil_fast_socket_closeonexec(fd[0]) < 0 || evutil_fast_socket_closeonexec(fd[1]) < 0) { evutil_closesocket(fd[0]); evutil_closesocket(fd[1]); fd[0] = fd[1] = -1; return -1; } return 0; } fd[0] = fd[1] = -1; return -1; } /* Wrapper around eventfd on systems that provide it. Unlike the system * eventfd, it always supports EVUTIL_EFD_CLOEXEC and EVUTIL_EFD_NONBLOCK as * flags. Returns -1 on error or if eventfd is not supported. */ evutil_socket_t evutil_eventfd_(unsigned initval, int flags) { #if defined(EVENT__HAVE_EVENTFD) && defined(EVENT__HAVE_SYS_EVENTFD_H) int r; #if defined(EFD_CLOEXEC) && defined(EFD_NONBLOCK) r = eventfd(initval, flags); if (r >= 0 || flags == 0) return r; #endif r = eventfd(initval, 0); if (r < 0) return r; if (flags & EVUTIL_EFD_CLOEXEC) { if (evutil_fast_socket_closeonexec(r) < 0) { evutil_closesocket(r); return -1; } } if (flags & EVUTIL_EFD_NONBLOCK) { if (evutil_fast_socket_nonblocking(r) < 0) { evutil_closesocket(r); return -1; } } return r; #else return -1; #endif } void evutil_free_globals_(void) { evutil_free_secure_rng_globals_(); evutil_free_sock_err_globals(); } lldpd-1.0.18/libevent/epoll.c0000644000076400001440000003504114111362570015230 0ustar00bernatusers/* * Copyright 2000-2007 Niels Provos * Copyright 2007-2012 Niels Provos, Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #ifdef EVENT__HAVE_EPOLL #include #include #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #include #include #include #include #include #include #include #include #ifdef EVENT__HAVE_FCNTL_H #include #endif #ifdef EVENT__HAVE_SYS_TIMERFD_H #include #endif #include "event-internal.h" #include "evsignal-internal.h" #include "event2/thread.h" #include "evthread-internal.h" #include "log-internal.h" #include "evmap-internal.h" #include "changelist-internal.h" #include "time-internal.h" /* Since Linux 2.6.17, epoll is able to report about peer half-closed connection using special EPOLLRDHUP flag on a read event. */ #if !defined(EPOLLRDHUP) #define EPOLLRDHUP 0 #define EARLY_CLOSE_IF_HAVE_RDHUP 0 #else #define EARLY_CLOSE_IF_HAVE_RDHUP EV_FEATURE_EARLY_CLOSE #endif #include "epolltable-internal.h" #if defined(EVENT__HAVE_SYS_TIMERFD_H) && \ defined(EVENT__HAVE_TIMERFD_CREATE) && \ defined(HAVE_POSIX_MONOTONIC) && defined(TFD_NONBLOCK) && \ defined(TFD_CLOEXEC) /* Note that we only use timerfd if TFD_NONBLOCK and TFD_CLOEXEC are available and working. This means that we can't support it on 2.6.25 (where timerfd was introduced) or 2.6.26, since 2.6.27 introduced those flags. */ #define USING_TIMERFD #endif struct epollop { struct epoll_event *events; int nevents; int epfd; #ifdef USING_TIMERFD int timerfd; #endif }; static void *epoll_init(struct event_base *); static int epoll_dispatch(struct event_base *, struct timeval *); static void epoll_dealloc(struct event_base *); static const struct eventop epollops_changelist = { "epoll (with changelist)", epoll_init, event_changelist_add_, event_changelist_del_, epoll_dispatch, epoll_dealloc, 1, /* need reinit */ EV_FEATURE_ET|EV_FEATURE_O1| EARLY_CLOSE_IF_HAVE_RDHUP, EVENT_CHANGELIST_FDINFO_SIZE }; static int epoll_nochangelist_add(struct event_base *base, evutil_socket_t fd, short old, short events, void *p); static int epoll_nochangelist_del(struct event_base *base, evutil_socket_t fd, short old, short events, void *p); const struct eventop epollops = { "epoll", epoll_init, epoll_nochangelist_add, epoll_nochangelist_del, epoll_dispatch, epoll_dealloc, 1, /* need reinit */ EV_FEATURE_ET|EV_FEATURE_O1|EV_FEATURE_EARLY_CLOSE, 0 }; #define INITIAL_NEVENT 32 #define MAX_NEVENT 4096 /* On Linux kernels at least up to 2.6.24.4, epoll can't handle timeout * values bigger than (LONG_MAX - 999ULL)/HZ. HZ in the wild can be * as big as 1000, and LONG_MAX can be as small as (1<<31)-1, so the * largest number of msec we can support here is 2147482. Let's * round that down by 47 seconds. */ #define MAX_EPOLL_TIMEOUT_MSEC (35*60*1000) static void * epoll_init(struct event_base *base) { int epfd = -1; struct epollop *epollop; #ifdef EVENT__HAVE_EPOLL_CREATE1 /* First, try the shiny new epoll_create1 interface, if we have it. */ epfd = epoll_create1(EPOLL_CLOEXEC); #endif if (epfd == -1) { /* Initialize the kernel queue using the old interface. (The size field is ignored since 2.6.8.) */ if ((epfd = epoll_create(32000)) == -1) { if (errno != ENOSYS) event_warn("epoll_create"); return (NULL); } evutil_make_socket_closeonexec(epfd); } if (!(epollop = mm_calloc(1, sizeof(struct epollop)))) { close(epfd); return (NULL); } epollop->epfd = epfd; /* Initialize fields */ epollop->events = mm_calloc(INITIAL_NEVENT, sizeof(struct epoll_event)); if (epollop->events == NULL) { mm_free(epollop); close(epfd); return (NULL); } epollop->nevents = INITIAL_NEVENT; if ((base->flags & EVENT_BASE_FLAG_EPOLL_USE_CHANGELIST) != 0 || ((base->flags & EVENT_BASE_FLAG_IGNORE_ENV) == 0 && evutil_getenv_("EVENT_EPOLL_USE_CHANGELIST") != NULL)) { base->evsel = &epollops_changelist; } #ifdef USING_TIMERFD /* The epoll interface ordinarily gives us one-millisecond precision, so on Linux it makes perfect sense to use the CLOCK_MONOTONIC_COARSE timer. But when the user has set the new PRECISE_TIMER flag for an event_base, we can try to use timerfd to give them finer granularity. */ if ((base->flags & EVENT_BASE_FLAG_PRECISE_TIMER) && base->monotonic_timer.monotonic_clock == CLOCK_MONOTONIC) { int fd; fd = epollop->timerfd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK|TFD_CLOEXEC); if (epollop->timerfd >= 0) { struct epoll_event epev; memset(&epev, 0, sizeof(epev)); epev.data.fd = epollop->timerfd; epev.events = EPOLLIN; if (epoll_ctl(epollop->epfd, EPOLL_CTL_ADD, fd, &epev) < 0) { event_warn("epoll_ctl(timerfd)"); close(fd); epollop->timerfd = -1; } } else { if (errno != EINVAL && errno != ENOSYS) { /* These errors probably mean that we were * compiled with timerfd/TFD_* support, but * we're running on a kernel that lacks those. */ event_warn("timerfd_create"); } epollop->timerfd = -1; } } else { epollop->timerfd = -1; } #endif evsig_init_(base); return (epollop); } static const char * change_to_string(int change) { change &= (EV_CHANGE_ADD|EV_CHANGE_DEL); if (change == EV_CHANGE_ADD) { return "add"; } else if (change == EV_CHANGE_DEL) { return "del"; } else if (change == 0) { return "none"; } else { return "???"; } } static const char * epoll_op_to_string(int op) { return op == EPOLL_CTL_ADD?"ADD": op == EPOLL_CTL_DEL?"DEL": op == EPOLL_CTL_MOD?"MOD": "???"; } #define PRINT_CHANGES(op, events, ch, status) \ "Epoll %s(%d) on fd %d " status ". " \ "Old events were %d; " \ "read change was %d (%s); " \ "write change was %d (%s); " \ "close change was %d (%s)", \ epoll_op_to_string(op), \ events, \ ch->fd, \ ch->old_events, \ ch->read_change, \ change_to_string(ch->read_change), \ ch->write_change, \ change_to_string(ch->write_change), \ ch->close_change, \ change_to_string(ch->close_change) static int epoll_apply_one_change(struct event_base *base, struct epollop *epollop, const struct event_change *ch) { struct epoll_event epev; int op, events = 0; int idx; idx = EPOLL_OP_TABLE_INDEX(ch); op = epoll_op_table[idx].op; events = epoll_op_table[idx].events; if (!events) { EVUTIL_ASSERT(op == 0); return 0; } if ((ch->read_change|ch->write_change|ch->close_change) & EV_CHANGE_ET) events |= EPOLLET; memset(&epev, 0, sizeof(epev)); epev.data.fd = ch->fd; epev.events = events; if (epoll_ctl(epollop->epfd, op, ch->fd, &epev) == 0) { event_debug((PRINT_CHANGES(op, epev.events, ch, "okay"))); return 0; } switch (op) { case EPOLL_CTL_MOD: if (errno == ENOENT) { /* If a MOD operation fails with ENOENT, the * fd was probably closed and re-opened. We * should retry the operation as an ADD. */ if (epoll_ctl(epollop->epfd, EPOLL_CTL_ADD, ch->fd, &epev) == -1) { event_warn("Epoll MOD(%d) on %d retried as ADD; that failed too", (int)epev.events, ch->fd); return -1; } else { event_debug(("Epoll MOD(%d) on %d retried as ADD; succeeded.", (int)epev.events, ch->fd)); return 0; } } break; case EPOLL_CTL_ADD: if (errno == EEXIST) { /* If an ADD operation fails with EEXIST, * either the operation was redundant (as with a * precautionary add), or we ran into a fun * kernel bug where using dup*() to duplicate the * same file into the same fd gives you the same epitem * rather than a fresh one. For the second case, * we must retry with MOD. */ if (epoll_ctl(epollop->epfd, EPOLL_CTL_MOD, ch->fd, &epev) == -1) { event_warn("Epoll ADD(%d) on %d retried as MOD; that failed too", (int)epev.events, ch->fd); return -1; } else { event_debug(("Epoll ADD(%d) on %d retried as MOD; succeeded.", (int)epev.events, ch->fd)); return 0; } } break; case EPOLL_CTL_DEL: if (errno == ENOENT || errno == EBADF || errno == EPERM) { /* If a delete fails with one of these errors, * that's fine too: we closed the fd before we * got around to calling epoll_dispatch. */ event_debug(("Epoll DEL(%d) on fd %d gave %s: DEL was unnecessary.", (int)epev.events, ch->fd, strerror(errno))); return 0; } break; default: break; } event_warn(PRINT_CHANGES(op, epev.events, ch, "failed")); return -1; } static int epoll_apply_changes(struct event_base *base) { struct event_changelist *changelist = &base->changelist; struct epollop *epollop = base->evbase; struct event_change *ch; int r = 0; int i; for (i = 0; i < changelist->n_changes; ++i) { ch = &changelist->changes[i]; if (epoll_apply_one_change(base, epollop, ch) < 0) r = -1; } return (r); } static int epoll_nochangelist_add(struct event_base *base, evutil_socket_t fd, short old, short events, void *p) { struct event_change ch; ch.fd = fd; ch.old_events = old; ch.read_change = ch.write_change = ch.close_change = 0; if (events & EV_WRITE) ch.write_change = EV_CHANGE_ADD | (events & EV_ET); if (events & EV_READ) ch.read_change = EV_CHANGE_ADD | (events & EV_ET); if (events & EV_CLOSED) ch.close_change = EV_CHANGE_ADD | (events & EV_ET); return epoll_apply_one_change(base, base->evbase, &ch); } static int epoll_nochangelist_del(struct event_base *base, evutil_socket_t fd, short old, short events, void *p) { struct event_change ch; ch.fd = fd; ch.old_events = old; ch.read_change = ch.write_change = ch.close_change = 0; if (events & EV_WRITE) ch.write_change = EV_CHANGE_DEL | (events & EV_ET); if (events & EV_READ) ch.read_change = EV_CHANGE_DEL | (events & EV_ET); if (events & EV_CLOSED) ch.close_change = EV_CHANGE_DEL | (events & EV_ET); return epoll_apply_one_change(base, base->evbase, &ch); } static int epoll_dispatch(struct event_base *base, struct timeval *tv) { struct epollop *epollop = base->evbase; struct epoll_event *events = epollop->events; int i, res; long timeout = -1; #ifdef USING_TIMERFD if (epollop->timerfd >= 0) { struct itimerspec is; is.it_interval.tv_sec = 0; is.it_interval.tv_nsec = 0; if (tv == NULL) { /* No timeout; disarm the timer. */ is.it_value.tv_sec = 0; is.it_value.tv_nsec = 0; } else { if (tv->tv_sec == 0 && tv->tv_usec == 0) { /* we need to exit immediately; timerfd can't * do that. */ timeout = 0; } is.it_value.tv_sec = tv->tv_sec; is.it_value.tv_nsec = tv->tv_usec * 1000; } /* TODO: we could avoid unnecessary syscalls here by only calling timerfd_settime when the top timeout changes, or when we're called with a different timeval. */ if (timerfd_settime(epollop->timerfd, 0, &is, NULL) < 0) { event_warn("timerfd_settime"); } } else #endif if (tv != NULL) { timeout = evutil_tv_to_msec_(tv); if (timeout < 0 || timeout > MAX_EPOLL_TIMEOUT_MSEC) { /* Linux kernels can wait forever if the timeout is * too big; see comment on MAX_EPOLL_TIMEOUT_MSEC. */ timeout = MAX_EPOLL_TIMEOUT_MSEC; } } epoll_apply_changes(base); event_changelist_remove_all_(&base->changelist, base); EVBASE_RELEASE_LOCK(base, th_base_lock); res = epoll_wait(epollop->epfd, events, epollop->nevents, timeout); EVBASE_ACQUIRE_LOCK(base, th_base_lock); if (res == -1) { if (errno != EINTR) { event_warn("epoll_wait"); return (-1); } return (0); } event_debug(("%s: epoll_wait reports %d", __func__, res)); EVUTIL_ASSERT(res <= epollop->nevents); for (i = 0; i < res; i++) { int what = events[i].events; short ev = 0; #ifdef USING_TIMERFD if (events[i].data.fd == epollop->timerfd) continue; #endif if (what & EPOLLERR) { ev = EV_READ | EV_WRITE; } else if ((what & EPOLLHUP) && !(what & EPOLLRDHUP)) { ev = EV_READ | EV_WRITE; } else { if (what & EPOLLIN) ev |= EV_READ; if (what & EPOLLOUT) ev |= EV_WRITE; if (what & EPOLLRDHUP) ev |= EV_CLOSED; } if (!ev) continue; evmap_io_active_(base, events[i].data.fd, ev | EV_ET); } if (res == epollop->nevents && epollop->nevents < MAX_NEVENT) { /* We used all of the event space this time. We should be ready for more events next time. */ int new_nevents = epollop->nevents * 2; struct epoll_event *new_events; new_events = mm_realloc(epollop->events, new_nevents * sizeof(struct epoll_event)); if (new_events) { epollop->events = new_events; epollop->nevents = new_nevents; } } return (0); } static void epoll_dealloc(struct event_base *base) { struct epollop *epollop = base->evbase; evsig_dealloc_(base); if (epollop->events) mm_free(epollop->events); if (epollop->epfd >= 0) close(epollop->epfd); #ifdef USING_TIMERFD if (epollop->timerfd >= 0) close(epollop->timerfd); #endif memset(epollop, 0, sizeof(struct epollop)); mm_free(epollop); } #endif /* EVENT__HAVE_EPOLL */ lldpd-1.0.18/libevent/event_iocp.c0000644000076400001440000001703214111362570016250 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos, Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "evconfig-private.h" #ifndef _WIN32_WINNT /* Minimum required for InitializeCriticalSectionAndSpinCount */ #define _WIN32_WINNT 0x0403 #endif #include #include #include #include #include #include "event2/util.h" #include "util-internal.h" #include "iocp-internal.h" #include "log-internal.h" #include "mm-internal.h" #include "event-internal.h" #include "evthread-internal.h" #define NOTIFICATION_KEY ((ULONG_PTR)-1) void event_overlapped_init_(struct event_overlapped *o, iocp_callback cb) { memset(o, 0, sizeof(struct event_overlapped)); o->cb = cb; } static void handle_entry(OVERLAPPED *o, ULONG_PTR completion_key, DWORD nBytes, int ok) { struct event_overlapped *eo = EVUTIL_UPCAST(o, struct event_overlapped, overlapped); eo->cb(eo, completion_key, nBytes, ok); } static void loop(void *port_) { struct event_iocp_port *port = port_; long ms = port->ms; HANDLE p = port->port; if (ms <= 0) ms = INFINITE; while (1) { OVERLAPPED *overlapped=NULL; ULONG_PTR key=0; DWORD bytes=0; int ok = GetQueuedCompletionStatus(p, &bytes, &key, &overlapped, ms); EnterCriticalSection(&port->lock); if (port->shutdown) { if (--port->n_live_threads == 0) ReleaseSemaphore(port->shutdownSemaphore, 1, NULL); LeaveCriticalSection(&port->lock); return; } LeaveCriticalSection(&port->lock); if (key != NOTIFICATION_KEY && overlapped) handle_entry(overlapped, key, bytes, ok); else if (!overlapped) break; } event_warnx("GetQueuedCompletionStatus exited with no event."); EnterCriticalSection(&port->lock); if (--port->n_live_threads == 0) ReleaseSemaphore(port->shutdownSemaphore, 1, NULL); LeaveCriticalSection(&port->lock); } int event_iocp_port_associate_(struct event_iocp_port *port, evutil_socket_t fd, ev_uintptr_t key) { HANDLE h; h = CreateIoCompletionPort((HANDLE)fd, port->port, key, port->n_threads); if (!h) return -1; return 0; } static void * get_extension_function(SOCKET s, const GUID *which_fn) { void *ptr = NULL; DWORD bytes=0; WSAIoctl(s, SIO_GET_EXTENSION_FUNCTION_POINTER, (GUID*)which_fn, sizeof(*which_fn), &ptr, sizeof(ptr), &bytes, NULL, NULL); /* No need to detect errors here: if ptr is set, then we have a good function pointer. Otherwise, we should behave as if we had no function pointer. */ return ptr; } /* Mingw doesn't have these in its mswsock.h. The values are copied from wine.h. Perhaps if we copy them exactly, the cargo will come again. */ #ifndef WSAID_ACCEPTEX #define WSAID_ACCEPTEX \ {0xb5367df1,0xcbac,0x11cf,{0x95,0xca,0x00,0x80,0x5f,0x48,0xa1,0x92}} #endif #ifndef WSAID_CONNECTEX #define WSAID_CONNECTEX \ {0x25a207b9,0xddf3,0x4660,{0x8e,0xe9,0x76,0xe5,0x8c,0x74,0x06,0x3e}} #endif #ifndef WSAID_GETACCEPTEXSOCKADDRS #define WSAID_GETACCEPTEXSOCKADDRS \ {0xb5367df2,0xcbac,0x11cf,{0x95,0xca,0x00,0x80,0x5f,0x48,0xa1,0x92}} #endif static int extension_fns_initialized = 0; static void init_extension_functions(struct win32_extension_fns *ext) { const GUID acceptex = WSAID_ACCEPTEX; const GUID connectex = WSAID_CONNECTEX; const GUID getacceptexsockaddrs = WSAID_GETACCEPTEXSOCKADDRS; SOCKET s = socket(AF_INET, SOCK_STREAM, 0); if (s == EVUTIL_INVALID_SOCKET) return; ext->AcceptEx = get_extension_function(s, &acceptex); ext->ConnectEx = get_extension_function(s, &connectex); ext->GetAcceptExSockaddrs = get_extension_function(s, &getacceptexsockaddrs); closesocket(s); extension_fns_initialized = 1; } static struct win32_extension_fns the_extension_fns; const struct win32_extension_fns * event_get_win32_extension_fns_(void) { return &the_extension_fns; } #define N_CPUS_DEFAULT 2 struct event_iocp_port * event_iocp_port_launch_(int n_cpus) { struct event_iocp_port *port; int i; if (!extension_fns_initialized) init_extension_functions(&the_extension_fns); if (!(port = mm_calloc(1, sizeof(struct event_iocp_port)))) return NULL; if (n_cpus <= 0) n_cpus = N_CPUS_DEFAULT; port->n_threads = n_cpus * 2; port->threads = mm_calloc(port->n_threads, sizeof(HANDLE)); if (!port->threads) goto err; port->port = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, 0, n_cpus); port->ms = -1; if (!port->port) goto err; port->shutdownSemaphore = CreateSemaphore(NULL, 0, 1, NULL); if (!port->shutdownSemaphore) goto err; for (i=0; in_threads; ++i) { ev_uintptr_t th = _beginthread(loop, 0, port); if (th == (ev_uintptr_t)-1) goto err; port->threads[i] = (HANDLE)th; ++port->n_live_threads; } InitializeCriticalSectionAndSpinCount(&port->lock, 1000); return port; err: if (port->port) CloseHandle(port->port); if (port->threads) mm_free(port->threads); if (port->shutdownSemaphore) CloseHandle(port->shutdownSemaphore); mm_free(port); return NULL; } static void event_iocp_port_unlock_and_free_(struct event_iocp_port *port) { DeleteCriticalSection(&port->lock); CloseHandle(port->port); CloseHandle(port->shutdownSemaphore); mm_free(port->threads); mm_free(port); } static int event_iocp_notify_all(struct event_iocp_port *port) { int i, r, ok=1; for (i=0; in_threads; ++i) { r = PostQueuedCompletionStatus(port->port, 0, NOTIFICATION_KEY, NULL); if (!r) ok = 0; } return ok ? 0 : -1; } int event_iocp_shutdown_(struct event_iocp_port *port, long waitMsec) { DWORD ms = INFINITE; int n; EnterCriticalSection(&port->lock); port->shutdown = 1; LeaveCriticalSection(&port->lock); event_iocp_notify_all(port); if (waitMsec >= 0) ms = waitMsec; WaitForSingleObject(port->shutdownSemaphore, ms); EnterCriticalSection(&port->lock); n = port->n_live_threads; LeaveCriticalSection(&port->lock); if (n == 0) { event_iocp_port_unlock_and_free_(port); return 0; } else { return -1; } } int event_iocp_activate_overlapped_( struct event_iocp_port *port, struct event_overlapped *o, ev_uintptr_t key, ev_uint32_t n) { BOOL r; r = PostQueuedCompletionStatus(port->port, n, key, &o->overlapped); return (r==0) ? -1 : 0; } struct event_iocp_port * event_base_get_iocp_(struct event_base *base) { #ifdef _WIN32 return base->iocp; #else return NULL; #endif } lldpd-1.0.18/libevent/config.h.in0000644000076400001440000004147614550773306016017 0ustar00bernatusers/* config.h.in. Generated from configure.ac by autoheader. */ /* Define if libevent should build without support for a debug mode */ #undef DISABLE_DEBUG_MODE /* Define if libevent should not allow replacing the mm functions */ #undef DISABLE_MM_REPLACEMENT /* Define if libevent should not be compiled with thread support */ #undef DISABLE_THREAD_SUPPORT /* Define to 1 if you have the `accept4' function. */ #undef HAVE_ACCEPT4 /* Define to 1 if you have the header file. */ #undef HAVE_AFUNIX_H /* Define to 1 if you have the `arc4random' function. */ #undef HAVE_ARC4RANDOM /* Define to 1 if you have the `arc4random_addrandom' function. */ #undef HAVE_ARC4RANDOM_ADDRANDOM /* Define to 1 if you have the `arc4random_buf' function. */ #undef HAVE_ARC4RANDOM_BUF /* Define to 1 if you have the header file. */ #undef HAVE_ARPA_INET_H /* Define to 1 if you have the `clock_gettime' function. */ #undef HAVE_CLOCK_GETTIME /* Define to 1 if you have the declaration of `CTL_KERN', and to 0 if you don't. */ #undef HAVE_DECL_CTL_KERN /* Define to 1 if you have the declaration of `KERN_ARND', and to 0 if you don't. */ #undef HAVE_DECL_KERN_ARND /* Define if /dev/poll is available */ #undef HAVE_DEVPOLL /* Define to 1 if you have the header file. */ #undef HAVE_DLFCN_H /* Define if your system supports the epoll system calls */ #undef HAVE_EPOLL /* Define to 1 if you have the `epoll_create1' function. */ #undef HAVE_EPOLL_CREATE1 /* Define to 1 if you have the `epoll_ctl' function. */ #undef HAVE_EPOLL_CTL /* Define to 1 if you have the header file. */ #undef HAVE_ERRNO_H /* Define to 1 if you have the `eventfd' function. */ #undef HAVE_EVENTFD /* Define if your system supports event ports */ #undef HAVE_EVENT_PORTS /* Define to 1 if you have the `fcntl' function. */ #undef HAVE_FCNTL /* Define to 1 if you have the header file. */ #undef HAVE_FCNTL_H /* Define to 1 if the system has the type `fd_mask'. */ #undef HAVE_FD_MASK /* Do we have getaddrinfo()? */ #undef HAVE_GETADDRINFO /* Define to 1 if you have the `getegid' function. */ #undef HAVE_GETEGID /* Define to 1 if you have the `geteuid' function. */ #undef HAVE_GETEUID /* Define this if you have any gethostbyname_r() */ #undef HAVE_GETHOSTBYNAME_R /* Define this if gethostbyname_r takes 3 arguments */ #undef HAVE_GETHOSTBYNAME_R_3_ARG /* Define this if gethostbyname_r takes 5 arguments */ #undef HAVE_GETHOSTBYNAME_R_5_ARG /* Define this if gethostbyname_r takes 6 arguments */ #undef HAVE_GETHOSTBYNAME_R_6_ARG /* Define to 1 if you have the `getifaddrs' function. */ #undef HAVE_GETIFADDRS /* Define to 1 if you have the `getnameinfo' function. */ #undef HAVE_GETNAMEINFO /* Define to 1 if you have the `getprotobynumber' function. */ #undef HAVE_GETPROTOBYNUMBER /* Define to 1 if you have the `getrandom' function. */ #undef HAVE_GETRANDOM /* Define to 1 if you have the `getservbyname' function. */ #undef HAVE_GETSERVBYNAME /* Define to 1 if you have the `gettimeofday' function. */ #undef HAVE_GETTIMEOFDAY /* Define to 1 if you have the header file. */ #undef HAVE_IFADDRS_H /* Define to 1 if you have the `inet_ntop' function. */ #undef HAVE_INET_NTOP /* Define to 1 if you have the `inet_pton' function. */ #undef HAVE_INET_PTON /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the `issetugid' function. */ #undef HAVE_ISSETUGID /* Define to 1 if you have the `kqueue' function. */ #undef HAVE_KQUEUE /* Define to 1 if you have the `ws2_32' library (-lws2_32). */ #undef HAVE_LIBWS2_32 /* Define if the system has zlib */ #undef HAVE_LIBZ /* Define to 1 if you have the `mach_absolute_time' function. */ #undef HAVE_MACH_ABSOLUTE_TIME /* Define to 1 if you have the header file. */ #undef HAVE_MACH_MACH_H /* Define to 1 if you have the header file. */ #undef HAVE_MACH_MACH_TIME_H /* Define to 1 if you have the header file. */ #undef HAVE_MINIX_CONFIG_H /* Define to 1 if you have the `mmap' function. */ #undef HAVE_MMAP /* Define to 1 if you have the `nanosleep' function. */ #undef HAVE_NANOSLEEP /* Define to 1 if you have the header file. */ #undef HAVE_NETDB_H /* Define to 1 if you have the header file. */ #undef HAVE_NETINET_IN6_H /* Define to 1 if you have the header file. */ #undef HAVE_NETINET_IN_H /* Define to 1 if you have the header file. */ #undef HAVE_NETINET_TCP_H /* Define if the system has openssl */ #undef HAVE_OPENSSL /* Define to 1 if you have the header file. */ #undef HAVE_OPENSSL_SSL_H /* Define to 1 if you have the `pipe' function. */ #undef HAVE_PIPE /* Define to 1 if you have the `pipe2' function. */ #undef HAVE_PIPE2 /* Define to 1 if you have the `poll' function. */ #undef HAVE_POLL /* Define to 1 if you have the header file. */ #undef HAVE_POLL_H /* Define to 1 if you have the `port_create' function. */ #undef HAVE_PORT_CREATE /* Define to 1 if you have the header file. */ #undef HAVE_PORT_H /* Define if you have POSIX threads libraries and header files. */ #undef HAVE_PTHREAD /* Define if we have pthreads on this system */ #undef HAVE_PTHREADS /* Define to 1 if you have the `putenv' function. */ #undef HAVE_PUTENV /* Define to 1 if the system has the type `sa_family_t'. */ #undef HAVE_SA_FAMILY_T /* Define to 1 if you have the `select' function. */ #undef HAVE_SELECT /* Define to 1 if you have the `sendfile' function. */ #undef HAVE_SENDFILE /* Define to 1 if you have the `setenv' function. */ #undef HAVE_SETENV /* Define if F_SETFD is defined in */ #undef HAVE_SETFD /* Define to 1 if you have the `setrlimit' function. */ #undef HAVE_SETRLIMIT /* Define to 1 if you have the `sigaction' function. */ #undef HAVE_SIGACTION /* Define to 1 if you have the `signal' function. */ #undef HAVE_SIGNAL /* Define to 1 if you have the `splice' function. */ #undef HAVE_SPLICE /* Define to 1 if you have the header file. */ #undef HAVE_STDARG_H /* Define to 1 if you have the header file. */ #undef HAVE_STDDEF_H /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDIO_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the `strlcpy' function. */ #undef HAVE_STRLCPY /* Define to 1 if you have the `strsep' function. */ #undef HAVE_STRSEP /* Define to 1 if you have the `strtok_r' function. */ #undef HAVE_STRTOK_R /* Define to 1 if you have the `strtoll' function. */ #undef HAVE_STRTOLL /* Define to 1 if the system has the type `struct addrinfo'. */ #undef HAVE_STRUCT_ADDRINFO /* Define to 1 if the system has the type `struct in6_addr'. */ #undef HAVE_STRUCT_IN6_ADDR /* Define to 1 if `s6_addr16' is a member of `struct in6_addr'. */ #undef HAVE_STRUCT_IN6_ADDR_S6_ADDR16 /* Define to 1 if `s6_addr32' is a member of `struct in6_addr'. */ #undef HAVE_STRUCT_IN6_ADDR_S6_ADDR32 /* Define to 1 if the system has the type `struct linger'. */ #undef HAVE_STRUCT_LINGER /* Define to 1 if the system has the type `struct sockaddr_in6'. */ #undef HAVE_STRUCT_SOCKADDR_IN6 /* Define to 1 if `sin6_len' is a member of `struct sockaddr_in6'. */ #undef HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN /* Define to 1 if `sin_len' is a member of `struct sockaddr_in'. */ #undef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN /* Define to 1 if the system has the type `struct sockaddr_storage'. */ #undef HAVE_STRUCT_SOCKADDR_STORAGE /* Define to 1 if `ss_family' is a member of `struct sockaddr_storage'. */ #undef HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY /* Define to 1 if `__ss_family' is a member of `struct sockaddr_storage'. */ #undef HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY /* Define to 1 if the system has the type `struct sockaddr_un'. */ #undef HAVE_STRUCT_SOCKADDR_UN /* Define to 1 if you have the `sysctl' function. */ #undef HAVE_SYSCTL /* Define to 1 if you have the header file. */ #undef HAVE_SYS_DEVPOLL_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_EPOLL_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_EVENTFD_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_EVENT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_IOCTL_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_MMAN_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_PARAM_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_QUEUE_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_RANDOM_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_RESOURCE_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SELECT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SENDFILE_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SOCKET_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SYSCTL_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TIMERFD_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TIME_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_UIO_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_UN_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_WAIT_H /* Define if TAILQ_FOREACH is defined in */ #undef HAVE_TAILQFOREACH /* Define if timeradd is defined in */ #undef HAVE_TIMERADD /* Define if timerclear is defined in */ #undef HAVE_TIMERCLEAR /* Define if timercmp is defined in */ #undef HAVE_TIMERCMP /* Define to 1 if you have the `timerfd_create' function. */ #undef HAVE_TIMERFD_CREATE /* Define if timerisset is defined in */ #undef HAVE_TIMERISSET /* Define to 1 if the system has the type `uint16_t'. */ #undef HAVE_UINT16_T /* Define to 1 if the system has the type `uint32_t'. */ #undef HAVE_UINT32_T /* Define to 1 if the system has the type `uint64_t'. */ #undef HAVE_UINT64_T /* Define to 1 if the system has the type `uint8_t'. */ #undef HAVE_UINT8_T /* Define to 1 if the system has the type `uintptr_t'. */ #undef HAVE_UINTPTR_T /* Define to 1 if you have the `umask' function. */ #undef HAVE_UMASK /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to 1 if you have the `unsetenv' function. */ #undef HAVE_UNSETENV /* Define to 1 if you have the `usleep' function. */ #undef HAVE_USLEEP /* Define to 1 if you have the `vasprintf' function. */ #undef HAVE_VASPRINTF /* Define to 1 if you have the header file. */ #undef HAVE_WCHAR_H /* Define if kqueue works correctly with pipes */ #undef HAVE_WORKING_KQUEUE /* Define to 1 if you have the header file. */ #undef HAVE_ZLIB_H /* Define to 1 if you have the `_gmtime64' function. */ #undef HAVE__GMTIME64 /* Define to 1 if you have the `_gmtime64_s' function. */ #undef HAVE__GMTIME64_S /* Define to 1 if compiler have __FUNCTION__ */ #undef HAVE___FUNCTION__ /* Define to 1 if compiler have __func__ */ #undef HAVE___func__ /* Define to the sub-directory where libtool stores uninstalled libraries. */ #undef LT_OBJDIR /* Numeric representation of the version */ #undef NUMERIC_VERSION /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Define to necessary symbol if this constant uses a non-standard name on your system. */ #undef PTHREAD_CREATE_JOINABLE /* The size of `int', as computed by sizeof. */ #undef SIZEOF_INT /* The size of `long', as computed by sizeof. */ #undef SIZEOF_LONG /* The size of `long long', as computed by sizeof. */ #undef SIZEOF_LONG_LONG /* The size of `off_t', as computed by sizeof. */ #undef SIZEOF_OFF_T /* The size of `pthread_t', as computed by sizeof. */ #undef SIZEOF_PTHREAD_T /* The size of `short', as computed by sizeof. */ #undef SIZEOF_SHORT /* The size of `size_t', as computed by sizeof. */ #undef SIZEOF_SIZE_T /* The size of `time_t', as computed by sizeof. */ #undef SIZEOF_TIME_T /* The size of `void *', as computed by sizeof. */ #undef SIZEOF_VOID_P /* Define to 1 if all of the C90 standard headers exist (not just the ones required in a freestanding environment). This macro is provided for backward compatibility; new code need not use it. */ #undef STDC_HEADERS /* Define to 1 if you can safely include both and . This macro is obsolete. */ #undef TIME_WITH_SYS_TIME /* Enable extensions on AIX 3, Interix. */ #ifndef _ALL_SOURCE # undef _ALL_SOURCE #endif /* Enable general extensions on macOS. */ #ifndef _DARWIN_C_SOURCE # undef _DARWIN_C_SOURCE #endif /* Enable general extensions on Solaris. */ #ifndef __EXTENSIONS__ # undef __EXTENSIONS__ #endif /* Enable GNU extensions on systems that have them. */ #ifndef _GNU_SOURCE # undef _GNU_SOURCE #endif /* Enable X/Open compliant socket functions that do not require linking with -lxnet on HP-UX 11.11. */ #ifndef _HPUX_ALT_XOPEN_SOCKET_API # undef _HPUX_ALT_XOPEN_SOCKET_API #endif /* Identify the host operating system as Minix. This macro does not affect the system headers' behavior. A future release of Autoconf may stop defining this macro. */ #ifndef _MINIX # undef _MINIX #endif /* Enable general extensions on NetBSD. Enable NetBSD compatibility extensions on Minix. */ #ifndef _NETBSD_SOURCE # undef _NETBSD_SOURCE #endif /* Enable OpenBSD compatibility extensions on NetBSD. Oddly enough, this does nothing on OpenBSD. */ #ifndef _OPENBSD_SOURCE # undef _OPENBSD_SOURCE #endif /* Define to 1 if needed for POSIX-compatible behavior. */ #ifndef _POSIX_SOURCE # undef _POSIX_SOURCE #endif /* Define to 2 if needed for POSIX-compatible behavior. */ #ifndef _POSIX_1_SOURCE # undef _POSIX_1_SOURCE #endif /* Enable POSIX-compatible threading on Solaris. */ #ifndef _POSIX_PTHREAD_SEMANTICS # undef _POSIX_PTHREAD_SEMANTICS #endif /* Enable extensions specified by ISO/IEC TS 18661-5:2014. */ #ifndef __STDC_WANT_IEC_60559_ATTRIBS_EXT__ # undef __STDC_WANT_IEC_60559_ATTRIBS_EXT__ #endif /* Enable extensions specified by ISO/IEC TS 18661-1:2014. */ #ifndef __STDC_WANT_IEC_60559_BFP_EXT__ # undef __STDC_WANT_IEC_60559_BFP_EXT__ #endif /* Enable extensions specified by ISO/IEC TS 18661-2:2015. */ #ifndef __STDC_WANT_IEC_60559_DFP_EXT__ # undef __STDC_WANT_IEC_60559_DFP_EXT__ #endif /* Enable extensions specified by ISO/IEC TS 18661-4:2015. */ #ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__ # undef __STDC_WANT_IEC_60559_FUNCS_EXT__ #endif /* Enable extensions specified by ISO/IEC TS 18661-3:2015. */ #ifndef __STDC_WANT_IEC_60559_TYPES_EXT__ # undef __STDC_WANT_IEC_60559_TYPES_EXT__ #endif /* Enable extensions specified by ISO/IEC TR 24731-2:2010. */ #ifndef __STDC_WANT_LIB_EXT2__ # undef __STDC_WANT_LIB_EXT2__ #endif /* Enable extensions specified by ISO/IEC 24747:2009. */ #ifndef __STDC_WANT_MATH_SPEC_FUNCS__ # undef __STDC_WANT_MATH_SPEC_FUNCS__ #endif /* Enable extensions on HP NonStop. */ #ifndef _TANDEM_SOURCE # undef _TANDEM_SOURCE #endif /* Enable X/Open extensions. Define to 500 only if necessary to make mbstate_t available. */ #ifndef _XOPEN_SOURCE # undef _XOPEN_SOURCE #endif /* Version number of package */ #undef VERSION /* Number of bits in a file offset, on hosts where this is settable. */ #undef _FILE_OFFSET_BITS /* Define for large files, on AIX-style hosts. */ #undef _LARGE_FILES /* Define to empty if `const' does not conform to ANSI C. */ #undef const /* Define to `__inline__' or `__inline' if that's what the C compiler calls it, or to nothing if 'inline' is not supported under any name. */ #ifndef __cplusplus #undef inline #endif /* Define as a signed integer type capable of holding a process identifier. */ #undef pid_t /* Define to `unsigned int' if does not define. */ #undef size_t /* Define to unsigned int if you dont have it */ #undef socklen_t /* Define to `int' if does not define. */ #undef ssize_t lldpd-1.0.18/libevent/arc4random.c0000644000076400001440000003051514111362570016150 0ustar00bernatusers/* Portable arc4random.c based on arc4random.c from OpenBSD. * Portable version by Chris Davis, adapted for Libevent by Nick Mathewson * Copyright (c) 2010 Chris Davis, Niels Provos, and Nick Mathewson * Copyright (c) 2010-2012 Niels Provos and Nick Mathewson * * Note that in Libevent, this file isn't compiled directly. Instead, * it's included from evutil_rand.c */ /* * Copyright (c) 1996, David Mazieres * Copyright (c) 2008, Damien Miller * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* * Arc4 random number generator for OpenBSD. * * This code is derived from section 17.1 of Applied Cryptography, * second edition, which describes a stream cipher allegedly * compatible with RSA Labs "RC4" cipher (the actual description of * which is a trade secret). The same algorithm is used as a stream * cipher called "arcfour" in Tatu Ylonen's ssh package. * * Here the stream cipher has been modified always to include the time * when initializing the state. That makes it impossible to * regenerate the same random sequence twice, so this can't be used * for encryption, but will generate good random numbers. * * RC4 is a registered trademark of RSA Laboratories. */ #ifndef ARC4RANDOM_EXPORT #define ARC4RANDOM_EXPORT #endif #ifndef ARC4RANDOM_UINT32 #define ARC4RANDOM_UINT32 uint32_t #endif #ifndef ARC4RANDOM_NO_INCLUDES #include "evconfig-private.h" #ifdef _WIN32 #include #include #include #else #include #include #include #include #ifdef EVENT__HAVE_SYS_SYSCTL_H #include #endif #ifdef EVENT__HAVE_SYS_RANDOM_H #include #endif #endif #include #include #include #endif /* Add platform entropy 32 bytes (256 bits) at a time. */ #define ADD_ENTROPY 32 /* Re-seed from the platform RNG after generating this many bytes. */ #define BYTES_BEFORE_RESEED 1600000 struct arc4_stream { unsigned char i; unsigned char j; unsigned char s[256]; }; #ifdef _WIN32 #define getpid _getpid #define pid_t int #endif static int rs_initialized; static struct arc4_stream rs; static pid_t arc4_stir_pid; static int arc4_count; static inline unsigned char arc4_getbyte(void); static inline void arc4_init(void) { int n; for (n = 0; n < 256; n++) rs.s[n] = n; rs.i = 0; rs.j = 0; } static inline void arc4_addrandom(const unsigned char *dat, int datlen) { int n; unsigned char si; rs.i--; for (n = 0; n < 256; n++) { rs.i = (rs.i + 1); si = rs.s[rs.i]; rs.j = (rs.j + si + dat[n % datlen]); rs.s[rs.i] = rs.s[rs.j]; rs.s[rs.j] = si; } rs.j = rs.i; } #ifndef _WIN32 static ssize_t read_all(int fd, unsigned char *buf, size_t count) { size_t numread = 0; ssize_t result; while (numread < count) { result = read(fd, buf+numread, count-numread); if (result<0) return -1; else if (result == 0) break; numread += result; } return (ssize_t)numread; } #endif #ifdef _WIN32 #define TRY_SEED_WIN32 static int arc4_seed_win32(void) { /* This is adapted from Tor's crypto_seed_rng() */ static int provider_set = 0; static HCRYPTPROV provider; unsigned char buf[ADD_ENTROPY]; if (!provider_set) { if (!CryptAcquireContext(&provider, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) { if (GetLastError() != (DWORD)NTE_BAD_KEYSET) return -1; } provider_set = 1; } if (!CryptGenRandom(provider, sizeof(buf), buf)) return -1; arc4_addrandom(buf, sizeof(buf)); evutil_memclear_(buf, sizeof(buf)); return 0; } #endif #if defined(EVENT__HAVE_GETRANDOM) #define TRY_SEED_GETRANDOM static int arc4_seed_getrandom(void) { unsigned char buf[ADD_ENTROPY]; size_t len, n; unsigned i; int any_set; memset(buf, 0, sizeof(buf)); for (len = 0; len < sizeof(buf); len += n) { n = sizeof(buf) - len; if (0 == getrandom(&buf[len], n, 0)) return -1; } /* make sure that the buffer actually got set. */ for (i=0,any_set=0; i sizeof(buf)) n = len - sizeof(buf); if (sysctl(mib, 2, &buf[len], &n, NULL, 0) == -1) return -1; } } /* make sure that the buffer actually got set. */ for (i=any_set=0; i 0xffffffffUL) min = 0x100000000UL % upper_bound; #else /* Calculate (2**32 % upper_bound) avoiding 64-bit math */ if (upper_bound > 0x80000000) min = 1 + ~upper_bound; /* 2**32 - upper_bound */ else { /* (2**32 - (x * 2)) % x == 2**32 % x when x <= 2**31 */ min = ((0xffffffff - (upper_bound * 2)) + 1) % upper_bound; } #endif /* * This could theoretically loop forever but each retry has * p > 0.5 (worst case, usually far better) of selecting a * number inside the range we need, so it should rarely need * to re-roll. */ for (;;) { r = arc4random(); if (r >= min) break; } return r % upper_bound; } #endif lldpd-1.0.18/libevent/bufferevent_async.c0000644000076400001440000004436314111362570017634 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #include #include #include #ifdef EVENT__HAVE_STDARG_H #include #endif #ifdef EVENT__HAVE_UNISTD_H #include #endif #ifdef _WIN32 #include #include #include #endif #include #include "event2/util.h" #include "event2/bufferevent.h" #include "event2/buffer.h" #include "event2/bufferevent_struct.h" #include "event2/event.h" #include "event2/util.h" #include "event-internal.h" #include "log-internal.h" #include "mm-internal.h" #include "bufferevent-internal.h" #include "util-internal.h" #include "iocp-internal.h" #ifndef SO_UPDATE_CONNECT_CONTEXT /* Mingw is sometimes missing this */ #define SO_UPDATE_CONNECT_CONTEXT 0x7010 #endif /* prototypes */ static int be_async_enable(struct bufferevent *, short); static int be_async_disable(struct bufferevent *, short); static void be_async_destruct(struct bufferevent *); static int be_async_flush(struct bufferevent *, short, enum bufferevent_flush_mode); static int be_async_ctrl(struct bufferevent *, enum bufferevent_ctrl_op, union bufferevent_ctrl_data *); struct bufferevent_async { struct bufferevent_private bev; struct event_overlapped connect_overlapped; struct event_overlapped read_overlapped; struct event_overlapped write_overlapped; size_t read_in_progress; size_t write_in_progress; unsigned ok : 1; unsigned read_added : 1; unsigned write_added : 1; }; const struct bufferevent_ops bufferevent_ops_async = { "socket_async", evutil_offsetof(struct bufferevent_async, bev.bev), be_async_enable, be_async_disable, NULL, /* Unlink */ be_async_destruct, bufferevent_generic_adj_timeouts_, be_async_flush, be_async_ctrl, }; static inline void be_async_run_eventcb(struct bufferevent *bev, short what, int options) { bufferevent_run_eventcb_(bev, what, options|BEV_TRIG_DEFER_CALLBACKS); } static inline void be_async_trigger_nolock(struct bufferevent *bev, short what, int options) { bufferevent_trigger_nolock_(bev, what, options|BEV_TRIG_DEFER_CALLBACKS); } static inline int fatal_error(int err) { switch (err) { /* We may have already associated this fd with a port. * Let's hope it's this port, and that the error code * for doing this neer changes. */ case ERROR_INVALID_PARAMETER: return 0; } return 1; } static inline struct bufferevent_async * upcast(struct bufferevent *bev) { struct bufferevent_async *bev_a; if (!BEV_IS_ASYNC(bev)) return NULL; bev_a = EVUTIL_UPCAST(bev, struct bufferevent_async, bev.bev); return bev_a; } static inline struct bufferevent_async * upcast_connect(struct event_overlapped *eo) { struct bufferevent_async *bev_a; bev_a = EVUTIL_UPCAST(eo, struct bufferevent_async, connect_overlapped); EVUTIL_ASSERT(BEV_IS_ASYNC(&bev_a->bev.bev)); return bev_a; } static inline struct bufferevent_async * upcast_read(struct event_overlapped *eo) { struct bufferevent_async *bev_a; bev_a = EVUTIL_UPCAST(eo, struct bufferevent_async, read_overlapped); EVUTIL_ASSERT(BEV_IS_ASYNC(&bev_a->bev.bev)); return bev_a; } static inline struct bufferevent_async * upcast_write(struct event_overlapped *eo) { struct bufferevent_async *bev_a; bev_a = EVUTIL_UPCAST(eo, struct bufferevent_async, write_overlapped); EVUTIL_ASSERT(BEV_IS_ASYNC(&bev_a->bev.bev)); return bev_a; } static void bev_async_del_write(struct bufferevent_async *beva) { struct bufferevent *bev = &beva->bev.bev; if (beva->write_added) { beva->write_added = 0; event_base_del_virtual_(bev->ev_base); } } static void bev_async_del_read(struct bufferevent_async *beva) { struct bufferevent *bev = &beva->bev.bev; if (beva->read_added) { beva->read_added = 0; event_base_del_virtual_(bev->ev_base); } } static void bev_async_add_write(struct bufferevent_async *beva) { struct bufferevent *bev = &beva->bev.bev; if (!beva->write_added) { beva->write_added = 1; event_base_add_virtual_(bev->ev_base); } } static void bev_async_add_read(struct bufferevent_async *beva) { struct bufferevent *bev = &beva->bev.bev; if (!beva->read_added) { beva->read_added = 1; event_base_add_virtual_(bev->ev_base); } } static void bev_async_consider_writing(struct bufferevent_async *beva) { size_t at_most; int limit; struct bufferevent *bev = &beva->bev.bev; /* Don't write if there's a write in progress, or we do not * want to write, or when there's nothing left to write. */ if (beva->write_in_progress || beva->bev.connecting) return; if (!beva->ok || !(bev->enabled&EV_WRITE) || !evbuffer_get_length(bev->output)) { bev_async_del_write(beva); return; } at_most = evbuffer_get_length(bev->output); /* This is safe so long as bufferevent_get_write_max never returns * more than INT_MAX. That's true for now. XXXX */ limit = (int)bufferevent_get_write_max_(&beva->bev); if (at_most >= (size_t)limit && limit >= 0) at_most = limit; if (beva->bev.write_suspended) { bev_async_del_write(beva); return; } /* XXXX doesn't respect low-water mark very well. */ bufferevent_incref_(bev); if (evbuffer_launch_write_(bev->output, at_most, &beva->write_overlapped)) { bufferevent_decref_(bev); beva->ok = 0; be_async_run_eventcb(bev, BEV_EVENT_ERROR, 0); } else { beva->write_in_progress = at_most; bufferevent_decrement_write_buckets_(&beva->bev, at_most); bev_async_add_write(beva); } } static void bev_async_consider_reading(struct bufferevent_async *beva) { size_t cur_size; size_t read_high; size_t at_most; int limit; struct bufferevent *bev = &beva->bev.bev; /* Don't read if there is a read in progress, or we do not * want to read. */ if (beva->read_in_progress || beva->bev.connecting) return; if (!beva->ok || !(bev->enabled&EV_READ)) { bev_async_del_read(beva); return; } /* Don't read if we're full */ cur_size = evbuffer_get_length(bev->input); read_high = bev->wm_read.high; if (read_high) { if (cur_size >= read_high) { bev_async_del_read(beva); return; } at_most = read_high - cur_size; } else { at_most = 16384; /* FIXME totally magic. */ } /* XXXX This over-commits. */ /* XXXX see also not above on cast on bufferevent_get_write_max_() */ limit = (int)bufferevent_get_read_max_(&beva->bev); if (at_most >= (size_t)limit && limit >= 0) at_most = limit; if (beva->bev.read_suspended) { bev_async_del_read(beva); return; } bufferevent_incref_(bev); if (evbuffer_launch_read_(bev->input, at_most, &beva->read_overlapped)) { beva->ok = 0; be_async_run_eventcb(bev, BEV_EVENT_ERROR, 0); bufferevent_decref_(bev); } else { beva->read_in_progress = at_most; bufferevent_decrement_read_buckets_(&beva->bev, at_most); bev_async_add_read(beva); } return; } static void be_async_outbuf_callback(struct evbuffer *buf, const struct evbuffer_cb_info *cbinfo, void *arg) { struct bufferevent *bev = arg; struct bufferevent_async *bev_async = upcast(bev); /* If we added data to the outbuf and were not writing before, * we may want to write now. */ bufferevent_incref_and_lock_(bev); if (cbinfo->n_added) bev_async_consider_writing(bev_async); bufferevent_decref_and_unlock_(bev); } static void be_async_inbuf_callback(struct evbuffer *buf, const struct evbuffer_cb_info *cbinfo, void *arg) { struct bufferevent *bev = arg; struct bufferevent_async *bev_async = upcast(bev); /* If we drained data from the inbuf and were not reading before, * we may want to read now */ bufferevent_incref_and_lock_(bev); if (cbinfo->n_deleted) bev_async_consider_reading(bev_async); bufferevent_decref_and_unlock_(bev); } static int be_async_enable(struct bufferevent *buf, short what) { struct bufferevent_async *bev_async = upcast(buf); if (!bev_async->ok) return -1; if (bev_async->bev.connecting) { /* Don't launch anything during connection attempts. */ return 0; } if (what & EV_READ) BEV_RESET_GENERIC_READ_TIMEOUT(buf); if (what & EV_WRITE) BEV_RESET_GENERIC_WRITE_TIMEOUT(buf); /* If we newly enable reading or writing, and we aren't reading or writing already, consider launching a new read or write. */ if (what & EV_READ) bev_async_consider_reading(bev_async); if (what & EV_WRITE) bev_async_consider_writing(bev_async); return 0; } static int be_async_disable(struct bufferevent *bev, short what) { struct bufferevent_async *bev_async = upcast(bev); /* XXXX If we disable reading or writing, we may want to consider * canceling any in-progress read or write operation, though it might * not work. */ if (what & EV_READ) { BEV_DEL_GENERIC_READ_TIMEOUT(bev); bev_async_del_read(bev_async); } if (what & EV_WRITE) { BEV_DEL_GENERIC_WRITE_TIMEOUT(bev); bev_async_del_write(bev_async); } return 0; } static void be_async_destruct(struct bufferevent *bev) { struct bufferevent_async *bev_async = upcast(bev); struct bufferevent_private *bev_p = BEV_UPCAST(bev); evutil_socket_t fd; EVUTIL_ASSERT(!upcast(bev)->write_in_progress && !upcast(bev)->read_in_progress); bev_async_del_read(bev_async); bev_async_del_write(bev_async); fd = evbuffer_overlapped_get_fd_(bev->input); if (fd != (evutil_socket_t)EVUTIL_INVALID_SOCKET && (bev_p->options & BEV_OPT_CLOSE_ON_FREE)) { evutil_closesocket(fd); evbuffer_overlapped_set_fd_(bev->input, EVUTIL_INVALID_SOCKET); } } /* GetQueuedCompletionStatus doesn't reliably yield WSA error codes, so * we use WSAGetOverlappedResult to translate. */ static void bev_async_set_wsa_error(struct bufferevent *bev, struct event_overlapped *eo) { DWORD bytes, flags; evutil_socket_t fd; fd = evbuffer_overlapped_get_fd_(bev->input); WSAGetOverlappedResult(fd, &eo->overlapped, &bytes, FALSE, &flags); } static int be_async_flush(struct bufferevent *bev, short what, enum bufferevent_flush_mode mode) { return 0; } static void connect_complete(struct event_overlapped *eo, ev_uintptr_t key, ev_ssize_t nbytes, int ok) { struct bufferevent_async *bev_a = upcast_connect(eo); struct bufferevent *bev = &bev_a->bev.bev; evutil_socket_t sock; BEV_LOCK(bev); EVUTIL_ASSERT(bev_a->bev.connecting); bev_a->bev.connecting = 0; sock = evbuffer_overlapped_get_fd_(bev_a->bev.bev.input); /* XXXX Handle error? */ setsockopt(sock, SOL_SOCKET, SO_UPDATE_CONNECT_CONTEXT, NULL, 0); if (ok) bufferevent_async_set_connected_(bev); else bev_async_set_wsa_error(bev, eo); be_async_run_eventcb(bev, ok ? BEV_EVENT_CONNECTED : BEV_EVENT_ERROR, 0); event_base_del_virtual_(bev->ev_base); bufferevent_decref_and_unlock_(bev); } static void read_complete(struct event_overlapped *eo, ev_uintptr_t key, ev_ssize_t nbytes, int ok) { struct bufferevent_async *bev_a = upcast_read(eo); struct bufferevent *bev = &bev_a->bev.bev; short what = BEV_EVENT_READING; ev_ssize_t amount_unread; BEV_LOCK(bev); EVUTIL_ASSERT(bev_a->read_in_progress); amount_unread = bev_a->read_in_progress - nbytes; evbuffer_commit_read_(bev->input, nbytes); bev_a->read_in_progress = 0; if (amount_unread) bufferevent_decrement_read_buckets_(&bev_a->bev, -amount_unread); if (!ok) bev_async_set_wsa_error(bev, eo); if (bev_a->ok) { if (ok && nbytes) { BEV_RESET_GENERIC_READ_TIMEOUT(bev); be_async_trigger_nolock(bev, EV_READ, 0); bev_async_consider_reading(bev_a); } else if (!ok) { what |= BEV_EVENT_ERROR; bev_a->ok = 0; be_async_run_eventcb(bev, what, 0); } else if (!nbytes) { what |= BEV_EVENT_EOF; bev_a->ok = 0; be_async_run_eventcb(bev, what, 0); } } bufferevent_decref_and_unlock_(bev); } static void write_complete(struct event_overlapped *eo, ev_uintptr_t key, ev_ssize_t nbytes, int ok) { struct bufferevent_async *bev_a = upcast_write(eo); struct bufferevent *bev = &bev_a->bev.bev; short what = BEV_EVENT_WRITING; ev_ssize_t amount_unwritten; BEV_LOCK(bev); EVUTIL_ASSERT(bev_a->write_in_progress); amount_unwritten = bev_a->write_in_progress - nbytes; evbuffer_commit_write_(bev->output, nbytes); bev_a->write_in_progress = 0; if (amount_unwritten) bufferevent_decrement_write_buckets_(&bev_a->bev, -amount_unwritten); if (!ok) bev_async_set_wsa_error(bev, eo); if (bev_a->ok) { if (ok && nbytes) { BEV_RESET_GENERIC_WRITE_TIMEOUT(bev); be_async_trigger_nolock(bev, EV_WRITE, 0); bev_async_consider_writing(bev_a); } else if (!ok) { what |= BEV_EVENT_ERROR; bev_a->ok = 0; be_async_run_eventcb(bev, what, 0); } else if (!nbytes) { what |= BEV_EVENT_EOF; bev_a->ok = 0; be_async_run_eventcb(bev, what, 0); } } bufferevent_decref_and_unlock_(bev); } struct bufferevent * bufferevent_async_new_(struct event_base *base, evutil_socket_t fd, int options) { struct bufferevent_async *bev_a; struct bufferevent *bev; struct event_iocp_port *iocp; options |= BEV_OPT_THREADSAFE; if (!(iocp = event_base_get_iocp_(base))) return NULL; if (fd >= 0 && event_iocp_port_associate_(iocp, fd, 1)<0) { if (fatal_error(GetLastError())) return NULL; } if (!(bev_a = mm_calloc(1, sizeof(struct bufferevent_async)))) return NULL; bev = &bev_a->bev.bev; if (!(bev->input = evbuffer_overlapped_new_(fd))) { mm_free(bev_a); return NULL; } if (!(bev->output = evbuffer_overlapped_new_(fd))) { evbuffer_free(bev->input); mm_free(bev_a); return NULL; } if (bufferevent_init_common_(&bev_a->bev, base, &bufferevent_ops_async, options)<0) goto err; evbuffer_add_cb(bev->input, be_async_inbuf_callback, bev); evbuffer_add_cb(bev->output, be_async_outbuf_callback, bev); event_overlapped_init_(&bev_a->connect_overlapped, connect_complete); event_overlapped_init_(&bev_a->read_overlapped, read_complete); event_overlapped_init_(&bev_a->write_overlapped, write_complete); bufferevent_init_generic_timeout_cbs_(bev); bev_a->ok = fd >= 0; return bev; err: bufferevent_free(&bev_a->bev.bev); return NULL; } void bufferevent_async_set_connected_(struct bufferevent *bev) { struct bufferevent_async *bev_async = upcast(bev); bev_async->ok = 1; /* Now's a good time to consider reading/writing */ be_async_enable(bev, bev->enabled); } int bufferevent_async_can_connect_(struct bufferevent *bev) { const struct win32_extension_fns *ext = event_get_win32_extension_fns_(); if (BEV_IS_ASYNC(bev) && event_base_get_iocp_(bev->ev_base) && ext && ext->ConnectEx) return 1; return 0; } int bufferevent_async_connect_(struct bufferevent *bev, evutil_socket_t fd, const struct sockaddr *sa, int socklen) { BOOL rc; struct bufferevent_async *bev_async = upcast(bev); struct sockaddr_storage ss; const struct win32_extension_fns *ext = event_get_win32_extension_fns_(); EVUTIL_ASSERT(ext && ext->ConnectEx && fd >= 0 && sa != NULL); /* ConnectEx() requires that the socket be bound to an address * with bind() before using, otherwise it will fail. We attempt * to issue a bind() here, taking into account that the error * code is set to WSAEINVAL when the socket is already bound. */ memset(&ss, 0, sizeof(ss)); if (sa->sa_family == AF_INET) { struct sockaddr_in *sin = (struct sockaddr_in *)&ss; sin->sin_family = AF_INET; sin->sin_addr.s_addr = INADDR_ANY; } else if (sa->sa_family == AF_INET6) { struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&ss; sin6->sin6_family = AF_INET6; sin6->sin6_addr = in6addr_any; } else { /* Well, the user will have to bind() */ return -1; } if (bind(fd, (struct sockaddr *)&ss, sizeof(ss)) < 0 && WSAGetLastError() != WSAEINVAL) return -1; event_base_add_virtual_(bev->ev_base); bufferevent_incref_(bev); rc = ext->ConnectEx(fd, sa, socklen, NULL, 0, NULL, &bev_async->connect_overlapped.overlapped); if (rc || WSAGetLastError() == ERROR_IO_PENDING) return 0; event_base_del_virtual_(bev->ev_base); bufferevent_decref_(bev); return -1; } static int be_async_ctrl(struct bufferevent *bev, enum bufferevent_ctrl_op op, union bufferevent_ctrl_data *data) { switch (op) { case BEV_CTRL_GET_FD: data->fd = evbuffer_overlapped_get_fd_(bev->input); return 0; case BEV_CTRL_SET_FD: { struct bufferevent_async *bev_a = upcast(bev); struct event_iocp_port *iocp; if (data->fd == evbuffer_overlapped_get_fd_(bev->input)) return 0; if (!(iocp = event_base_get_iocp_(bev->ev_base))) return -1; if (event_iocp_port_associate_(iocp, data->fd, 1) < 0) { if (fatal_error(GetLastError())) return -1; } evbuffer_overlapped_set_fd_(bev->input, data->fd); evbuffer_overlapped_set_fd_(bev->output, data->fd); bev_a->ok = data->fd >= 0; return 0; } case BEV_CTRL_CANCEL_ALL: { struct bufferevent_async *bev_a = upcast(bev); evutil_socket_t fd = evbuffer_overlapped_get_fd_(bev->input); if (fd != (evutil_socket_t)EVUTIL_INVALID_SOCKET && (bev_a->bev.options & BEV_OPT_CLOSE_ON_FREE)) { closesocket(fd); evbuffer_overlapped_set_fd_(bev->input, EVUTIL_INVALID_SOCKET); } bev_a->ok = 0; return 0; } case BEV_CTRL_GET_UNDERLYING: default: return -1; } } lldpd-1.0.18/libevent/event-internal.h0000644000076400001440000004200414111362570017052 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT_INTERNAL_H_INCLUDED_ #define EVENT_INTERNAL_H_INCLUDED_ #ifdef __cplusplus extern "C" { #endif #include "event2/event-config.h" #include "evconfig-private.h" #include #include #include "event2/event_struct.h" #include "minheap-internal.h" #include "evsignal-internal.h" #include "mm-internal.h" #include "defer-internal.h" /* map union members back */ /* mutually exclusive */ #define ev_signal_next ev_.ev_signal.ev_signal_next #define ev_io_next ev_.ev_io.ev_io_next #define ev_io_timeout ev_.ev_io.ev_timeout /* used only by signals */ #define ev_ncalls ev_.ev_signal.ev_ncalls #define ev_pncalls ev_.ev_signal.ev_pncalls #define ev_pri ev_evcallback.evcb_pri #define ev_flags ev_evcallback.evcb_flags #define ev_closure ev_evcallback.evcb_closure #define ev_callback ev_evcallback.evcb_cb_union.evcb_callback #define ev_arg ev_evcallback.evcb_arg /** @name Event closure codes Possible values for evcb_closure in struct event_callback @{ */ /** A regular event. Uses the evcb_callback callback */ #define EV_CLOSURE_EVENT 0 /** A signal event. Uses the evcb_callback callback */ #define EV_CLOSURE_EVENT_SIGNAL 1 /** A persistent non-signal event. Uses the evcb_callback callback */ #define EV_CLOSURE_EVENT_PERSIST 2 /** A simple callback. Uses the evcb_selfcb callback. */ #define EV_CLOSURE_CB_SELF 3 /** A finalizing callback. Uses the evcb_cbfinalize callback. */ #define EV_CLOSURE_CB_FINALIZE 4 /** A finalizing event. Uses the evcb_evfinalize callback. */ #define EV_CLOSURE_EVENT_FINALIZE 5 /** A finalizing event that should get freed after. Uses the evcb_evfinalize * callback. */ #define EV_CLOSURE_EVENT_FINALIZE_FREE 6 /** @} */ /** Structure to define the backend of a given event_base. */ struct eventop { /** The name of this backend. */ const char *name; /** Function to set up an event_base to use this backend. It should * create a new structure holding whatever information is needed to * run the backend, and return it. The returned pointer will get * stored by event_init into the event_base.evbase field. On failure, * this function should return NULL. */ void *(*init)(struct event_base *); /** Enable reading/writing on a given fd or signal. 'events' will be * the events that we're trying to enable: one or more of EV_READ, * EV_WRITE, EV_SIGNAL, and EV_ET. 'old' will be those events that * were enabled on this fd previously. 'fdinfo' will be a structure * associated with the fd by the evmap; its size is defined by the * fdinfo field below. It will be set to 0 the first time the fd is * added. The function should return 0 on success and -1 on error. */ int (*add)(struct event_base *, evutil_socket_t fd, short old, short events, void *fdinfo); /** As "add", except 'events' contains the events we mean to disable. */ int (*del)(struct event_base *, evutil_socket_t fd, short old, short events, void *fdinfo); /** Function to implement the core of an event loop. It must see which added events are ready, and cause event_active to be called for each active event (usually via event_io_active or such). It should return 0 on success and -1 on error. */ int (*dispatch)(struct event_base *, struct timeval *); /** Function to clean up and free our data from the event_base. */ void (*dealloc)(struct event_base *); /** Flag: set if we need to reinitialize the event base after we fork. */ int need_reinit; /** Bit-array of supported event_method_features that this backend can * provide. */ enum event_method_feature features; /** Length of the extra information we should record for each fd that has one or more active events. This information is recorded as part of the evmap entry for each fd, and passed as an argument to the add and del functions above. */ size_t fdinfo_len; }; #ifdef _WIN32 /* If we're on win32, then file descriptors are not nice low densely packed integers. Instead, they are pointer-like windows handles, and we want to use a hashtable instead of an array to map fds to events. */ #define EVMAP_USE_HT #endif /* #define HT_CACHE_HASH_VALS */ #ifdef EVMAP_USE_HT #define HT_NO_CACHE_HASH_VALUES #include "ht-internal.h" struct event_map_entry; HT_HEAD(event_io_map, event_map_entry); #else #define event_io_map event_signal_map #endif /* Used to map signal numbers to a list of events. If EVMAP_USE_HT is not defined, this structure is also used as event_io_map, which maps fds to a list of events. */ struct event_signal_map { /* An array of evmap_io * or of evmap_signal *; empty entries are * set to NULL. */ void **entries; /* The number of entries available in entries */ int nentries; }; /* A list of events waiting on a given 'common' timeout value. Ordinarily, * events waiting for a timeout wait on a minheap. Sometimes, however, a * queue can be faster. **/ struct common_timeout_list { /* List of events currently waiting in the queue. */ struct event_list events; /* 'magic' timeval used to indicate the duration of events in this * queue. */ struct timeval duration; /* Event that triggers whenever one of the events in the queue is * ready to activate */ struct event timeout_event; /* The event_base that this timeout list is part of */ struct event_base *base; }; /** Mask used to get the real tv_usec value from a common timeout. */ #define COMMON_TIMEOUT_MICROSECONDS_MASK 0x000fffff struct event_change; /* List of 'changes' since the last call to eventop.dispatch. Only maintained * if the backend is using changesets. */ struct event_changelist { struct event_change *changes; int n_changes; int changes_size; }; #ifndef EVENT__DISABLE_DEBUG_MODE /* Global internal flag: set to one if debug mode is on. */ extern int event_debug_mode_on_; #define EVENT_DEBUG_MODE_IS_ON() (event_debug_mode_on_) #else #define EVENT_DEBUG_MODE_IS_ON() (0) #endif TAILQ_HEAD(evcallback_list, event_callback); /* Sets up an event for processing once */ struct event_once { LIST_ENTRY(event_once) next_once; struct event ev; void (*cb)(evutil_socket_t, short, void *); void *arg; }; struct event_base { /** Function pointers and other data to describe this event_base's * backend. */ const struct eventop *evsel; /** Pointer to backend-specific data. */ void *evbase; /** List of changes to tell backend about at next dispatch. Only used * by the O(1) backends. */ struct event_changelist changelist; /** Function pointers used to describe the backend that this event_base * uses for signals */ const struct eventop *evsigsel; /** Data to implement the common signal handler code. */ struct evsig_info sig; /** Number of virtual events */ int virtual_event_count; /** Maximum number of virtual events active */ int virtual_event_count_max; /** Number of total events added to this event_base */ int event_count; /** Maximum number of total events added to this event_base */ int event_count_max; /** Number of total events active in this event_base */ int event_count_active; /** Maximum number of total events active in this event_base */ int event_count_active_max; /** Set if we should terminate the loop once we're done processing * events. */ int event_gotterm; /** Set if we should terminate the loop immediately */ int event_break; /** Set if we should start a new instance of the loop immediately. */ int event_continue; /** The currently running priority of events */ int event_running_priority; /** Set if we're running the event_base_loop function, to prevent * reentrant invocation. */ int running_loop; /** Set to the number of deferred_cbs we've made 'active' in the * loop. This is a hack to prevent starvation; it would be smarter * to just use event_config_set_max_dispatch_interval's max_callbacks * feature */ int n_deferreds_queued; /* Active event management. */ /** An array of nactivequeues queues for active event_callbacks (ones * that have triggered, and whose callbacks need to be called). Low * priority numbers are more important, and stall higher ones. */ struct evcallback_list *activequeues; /** The length of the activequeues array */ int nactivequeues; /** A list of event_callbacks that should become active the next time * we process events, but not this time. */ struct evcallback_list active_later_queue; /* common timeout logic */ /** An array of common_timeout_list* for all of the common timeout * values we know. */ struct common_timeout_list **common_timeout_queues; /** The number of entries used in common_timeout_queues */ int n_common_timeouts; /** The total size of common_timeout_queues. */ int n_common_timeouts_allocated; /** Mapping from file descriptors to enabled (added) events */ struct event_io_map io; /** Mapping from signal numbers to enabled (added) events. */ struct event_signal_map sigmap; /** Priority queue of events with timeouts. */ struct min_heap timeheap; /** Stored timeval: used to avoid calling gettimeofday/clock_gettime * too often. */ struct timeval tv_cache; struct evutil_monotonic_timer monotonic_timer; /** Difference between internal time (maybe from clock_gettime) and * gettimeofday. */ struct timeval tv_clock_diff; /** Second in which we last updated tv_clock_diff, in monotonic time. */ time_t last_updated_clock_diff; #ifndef EVENT__DISABLE_THREAD_SUPPORT /* threading support */ /** The thread currently running the event_loop for this base */ unsigned long th_owner_id; /** A lock to prevent conflicting accesses to this event_base */ void *th_base_lock; /** A condition that gets signalled when we're done processing an * event with waiters on it. */ void *current_event_cond; /** Number of threads blocking on current_event_cond. */ int current_event_waiters; #endif /** The event whose callback is executing right now */ struct event_callback *current_event; #ifdef _WIN32 /** IOCP support structure, if IOCP is enabled. */ struct event_iocp_port *iocp; #endif /** Flags that this base was configured with */ enum event_base_config_flag flags; struct timeval max_dispatch_time; int max_dispatch_callbacks; int limit_callbacks_after_prio; /* Notify main thread to wake up break, etc. */ /** True if the base already has a pending notify, and we don't need * to add any more. */ int is_notify_pending; /** A socketpair used by some th_notify functions to wake up the main * thread. */ evutil_socket_t th_notify_fd[2]; /** An event used by some th_notify functions to wake up the main * thread. */ struct event th_notify; /** A function used to wake up the main thread from another thread. */ int (*th_notify_fn)(struct event_base *base); /** Saved seed for weak random number generator. Some backends use * this to produce fairness among sockets. Protected by th_base_lock. */ struct evutil_weakrand_state weakrand_seed; /** List of event_onces that have not yet fired. */ LIST_HEAD(once_event_list, event_once) once_events; }; struct event_config_entry { TAILQ_ENTRY(event_config_entry) next; const char *avoid_method; }; /** Internal structure: describes the configuration we want for an event_base * that we're about to allocate. */ struct event_config { TAILQ_HEAD(event_configq, event_config_entry) entries; int n_cpus_hint; struct timeval max_dispatch_interval; int max_dispatch_callbacks; int limit_callbacks_after_prio; enum event_method_feature require_features; enum event_base_config_flag flags; }; /* Internal use only: Functions that might be missing from */ #ifndef LIST_END #define LIST_END(head) NULL #endif #ifndef TAILQ_FIRST #define TAILQ_FIRST(head) ((head)->tqh_first) #endif #ifndef TAILQ_END #define TAILQ_END(head) NULL #endif #ifndef TAILQ_NEXT #define TAILQ_NEXT(elm, field) ((elm)->field.tqe_next) #endif #ifndef TAILQ_FOREACH #define TAILQ_FOREACH(var, head, field) \ for ((var) = TAILQ_FIRST(head); \ (var) != TAILQ_END(head); \ (var) = TAILQ_NEXT(var, field)) #endif #ifndef TAILQ_INSERT_BEFORE #define TAILQ_INSERT_BEFORE(listelm, elm, field) do { \ (elm)->field.tqe_prev = (listelm)->field.tqe_prev; \ (elm)->field.tqe_next = (listelm); \ *(listelm)->field.tqe_prev = (elm); \ (listelm)->field.tqe_prev = &(elm)->field.tqe_next; \ } while (0) #endif #define N_ACTIVE_CALLBACKS(base) \ ((base)->event_count_active) int evsig_set_handler_(struct event_base *base, int evsignal, void (*fn)(int)); int evsig_restore_handler_(struct event_base *base, int evsignal); int event_add_nolock_(struct event *ev, const struct timeval *tv, int tv_is_absolute); /** Argument for event_del_nolock_. Tells event_del not to block on the event * if it's running in another thread. */ #define EVENT_DEL_NOBLOCK 0 /** Argument for event_del_nolock_. Tells event_del to block on the event * if it's running in another thread, regardless of its value for EV_FINALIZE */ #define EVENT_DEL_BLOCK 1 /** Argument for event_del_nolock_. Tells event_del to block on the event * if it is running in another thread and it doesn't have EV_FINALIZE set. */ #define EVENT_DEL_AUTOBLOCK 2 /** Argument for event_del_nolock_. Tells event_del to proceed even if the * event is set up for finalization rather for regular use.*/ #define EVENT_DEL_EVEN_IF_FINALIZING 3 int event_del_nolock_(struct event *ev, int blocking); int event_remove_timer_nolock_(struct event *ev); void event_active_nolock_(struct event *ev, int res, short count); EVENT2_EXPORT_SYMBOL int event_callback_activate_(struct event_base *, struct event_callback *); int event_callback_activate_nolock_(struct event_base *, struct event_callback *); int event_callback_cancel_(struct event_base *base, struct event_callback *evcb); void event_callback_finalize_nolock_(struct event_base *base, unsigned flags, struct event_callback *evcb, void (*cb)(struct event_callback *, void *)); EVENT2_EXPORT_SYMBOL void event_callback_finalize_(struct event_base *base, unsigned flags, struct event_callback *evcb, void (*cb)(struct event_callback *, void *)); int event_callback_finalize_many_(struct event_base *base, int n_cbs, struct event_callback **evcb, void (*cb)(struct event_callback *, void *)); EVENT2_EXPORT_SYMBOL void event_active_later_(struct event *ev, int res); void event_active_later_nolock_(struct event *ev, int res); int event_callback_activate_later_nolock_(struct event_base *base, struct event_callback *evcb); int event_callback_cancel_nolock_(struct event_base *base, struct event_callback *evcb, int even_if_finalizing); void event_callback_init_(struct event_base *base, struct event_callback *cb); /* FIXME document. */ EVENT2_EXPORT_SYMBOL void event_base_add_virtual_(struct event_base *base); void event_base_del_virtual_(struct event_base *base); /** For debugging: unless assertions are disabled, verify the referential integrity of the internal data structures of 'base'. This operation can be expensive. Returns on success; aborts on failure. */ EVENT2_EXPORT_SYMBOL void event_base_assert_ok_(struct event_base *base); void event_base_assert_ok_nolock_(struct event_base *base); /* Helper function: Call 'fn' exactly once every inserted or active event in * the event_base 'base'. * * If fn returns 0, continue on to the next event. Otherwise, return the same * value that fn returned. * * Requires that 'base' be locked. */ int event_base_foreach_event_nolock_(struct event_base *base, event_base_foreach_event_cb cb, void *arg); /* Cleanup function to reset debug mode during shutdown. * * Calling this function doesn't mean it'll be possible to re-enable * debug mode if any events were added. */ void event_disable_debug_mode(void); #ifdef __cplusplus } #endif #endif /* EVENT_INTERNAL_H_INCLUDED_ */ lldpd-1.0.18/libevent/evrpc.c0000644000076400001440000007127114111362570015241 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #ifdef _WIN32 #define WIN32_LEAN_AND_MEAN #include #include #undef WIN32_LEAN_AND_MEAN #endif #include #ifndef _WIN32 #include #endif #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #include #include #ifndef _WIN32 #include #endif #include #include #include #include #include "event2/event.h" #include "event2/event_struct.h" #include "event2/rpc.h" #include "event2/rpc_struct.h" #include "evrpc-internal.h" #include "event2/http.h" #include "event2/buffer.h" #include "event2/tag.h" #include "event2/http_struct.h" #include "event2/http_compat.h" #include "event2/util.h" #include "util-internal.h" #include "log-internal.h" #include "mm-internal.h" struct evrpc_base * evrpc_init(struct evhttp *http_server) { struct evrpc_base* base = mm_calloc(1, sizeof(struct evrpc_base)); if (base == NULL) return (NULL); /* we rely on the tagging sub system */ evtag_init(); TAILQ_INIT(&base->registered_rpcs); TAILQ_INIT(&base->input_hooks); TAILQ_INIT(&base->output_hooks); TAILQ_INIT(&base->paused_requests); base->http_server = http_server; return (base); } void evrpc_free(struct evrpc_base *base) { struct evrpc *rpc; struct evrpc_hook *hook; struct evrpc_hook_ctx *pause; int r; while ((rpc = TAILQ_FIRST(&base->registered_rpcs)) != NULL) { r = evrpc_unregister_rpc(base, rpc->uri); EVUTIL_ASSERT(r == 0); } while ((pause = TAILQ_FIRST(&base->paused_requests)) != NULL) { TAILQ_REMOVE(&base->paused_requests, pause, next); mm_free(pause); } while ((hook = TAILQ_FIRST(&base->input_hooks)) != NULL) { r = evrpc_remove_hook(base, EVRPC_INPUT, hook); EVUTIL_ASSERT(r); } while ((hook = TAILQ_FIRST(&base->output_hooks)) != NULL) { r = evrpc_remove_hook(base, EVRPC_OUTPUT, hook); EVUTIL_ASSERT(r); } mm_free(base); } void * evrpc_add_hook(void *vbase, enum EVRPC_HOOK_TYPE hook_type, int (*cb)(void *, struct evhttp_request *, struct evbuffer *, void *), void *cb_arg) { struct evrpc_hooks_ *base = vbase; struct evrpc_hook_list *head = NULL; struct evrpc_hook *hook = NULL; switch (hook_type) { case EVRPC_INPUT: head = &base->in_hooks; break; case EVRPC_OUTPUT: head = &base->out_hooks; break; default: EVUTIL_ASSERT(hook_type == EVRPC_INPUT || hook_type == EVRPC_OUTPUT); } hook = mm_calloc(1, sizeof(struct evrpc_hook)); EVUTIL_ASSERT(hook != NULL); hook->process = cb; hook->process_arg = cb_arg; TAILQ_INSERT_TAIL(head, hook, next); return (hook); } static int evrpc_remove_hook_internal(struct evrpc_hook_list *head, void *handle) { struct evrpc_hook *hook = NULL; TAILQ_FOREACH(hook, head, next) { if (hook == handle) { TAILQ_REMOVE(head, hook, next); mm_free(hook); return (1); } } return (0); } /* * remove the hook specified by the handle */ int evrpc_remove_hook(void *vbase, enum EVRPC_HOOK_TYPE hook_type, void *handle) { struct evrpc_hooks_ *base = vbase; struct evrpc_hook_list *head = NULL; switch (hook_type) { case EVRPC_INPUT: head = &base->in_hooks; break; case EVRPC_OUTPUT: head = &base->out_hooks; break; default: EVUTIL_ASSERT(hook_type == EVRPC_INPUT || hook_type == EVRPC_OUTPUT); } return (evrpc_remove_hook_internal(head, handle)); } static int evrpc_process_hooks(struct evrpc_hook_list *head, void *ctx, struct evhttp_request *req, struct evbuffer *evbuf) { struct evrpc_hook *hook; TAILQ_FOREACH(hook, head, next) { int res = hook->process(ctx, req, evbuf, hook->process_arg); if (res != EVRPC_CONTINUE) return (res); } return (EVRPC_CONTINUE); } static void evrpc_pool_schedule(struct evrpc_pool *pool); static void evrpc_request_cb(struct evhttp_request *, void *); /* * Registers a new RPC with the HTTP server. The evrpc object is expected * to have been filled in via the EVRPC_REGISTER_OBJECT macro which in turn * calls this function. */ static char * evrpc_construct_uri(const char *uri) { char *constructed_uri; size_t constructed_uri_len; constructed_uri_len = strlen(EVRPC_URI_PREFIX) + strlen(uri) + 1; if ((constructed_uri = mm_malloc(constructed_uri_len)) == NULL) event_err(1, "%s: failed to register rpc at %s", __func__, uri); memcpy(constructed_uri, EVRPC_URI_PREFIX, strlen(EVRPC_URI_PREFIX)); memcpy(constructed_uri + strlen(EVRPC_URI_PREFIX), uri, strlen(uri)); constructed_uri[constructed_uri_len - 1] = '\0'; return (constructed_uri); } int evrpc_register_rpc(struct evrpc_base *base, struct evrpc *rpc, void (*cb)(struct evrpc_req_generic *, void *), void *cb_arg) { char *constructed_uri = evrpc_construct_uri(rpc->uri); rpc->base = base; rpc->cb = cb; rpc->cb_arg = cb_arg; TAILQ_INSERT_TAIL(&base->registered_rpcs, rpc, next); evhttp_set_cb(base->http_server, constructed_uri, evrpc_request_cb, rpc); mm_free(constructed_uri); return (0); } int evrpc_unregister_rpc(struct evrpc_base *base, const char *name) { char *registered_uri = NULL; struct evrpc *rpc; int r; /* find the right rpc; linear search might be slow */ TAILQ_FOREACH(rpc, &base->registered_rpcs, next) { if (strcmp(rpc->uri, name) == 0) break; } if (rpc == NULL) { /* We did not find an RPC with this name */ return (-1); } TAILQ_REMOVE(&base->registered_rpcs, rpc, next); registered_uri = evrpc_construct_uri(name); /* remove the http server callback */ r = evhttp_del_cb(base->http_server, registered_uri); EVUTIL_ASSERT(r == 0); mm_free(registered_uri); mm_free((char *)rpc->uri); mm_free(rpc); return (0); } static int evrpc_pause_request(void *vbase, void *ctx, void (*cb)(void *, enum EVRPC_HOOK_RESULT)); static void evrpc_request_cb_closure(void *, enum EVRPC_HOOK_RESULT); static void evrpc_request_cb(struct evhttp_request *req, void *arg) { struct evrpc *rpc = arg; struct evrpc_req_generic *rpc_state = NULL; /* let's verify the outside parameters */ if (req->type != EVHTTP_REQ_POST || evbuffer_get_length(req->input_buffer) <= 0) goto error; rpc_state = mm_calloc(1, sizeof(struct evrpc_req_generic)); if (rpc_state == NULL) goto error; rpc_state->rpc = rpc; rpc_state->http_req = req; rpc_state->rpc_data = NULL; if (TAILQ_FIRST(&rpc->base->input_hooks) != NULL) { int hook_res; evrpc_hook_associate_meta_(&rpc_state->hook_meta, req->evcon); /* * allow hooks to modify the outgoing request */ hook_res = evrpc_process_hooks(&rpc->base->input_hooks, rpc_state, req, req->input_buffer); switch (hook_res) { case EVRPC_TERMINATE: goto error; case EVRPC_PAUSE: evrpc_pause_request(rpc->base, rpc_state, evrpc_request_cb_closure); return; case EVRPC_CONTINUE: break; default: EVUTIL_ASSERT(hook_res == EVRPC_TERMINATE || hook_res == EVRPC_CONTINUE || hook_res == EVRPC_PAUSE); } } evrpc_request_cb_closure(rpc_state, EVRPC_CONTINUE); return; error: if (rpc_state) evrpc_reqstate_free_(rpc_state); evhttp_send_error(req, HTTP_SERVUNAVAIL, NULL); return; } static void evrpc_request_cb_closure(void *arg, enum EVRPC_HOOK_RESULT hook_res) { struct evrpc_req_generic *rpc_state = arg; struct evrpc *rpc; struct evhttp_request *req; EVUTIL_ASSERT(rpc_state); rpc = rpc_state->rpc; req = rpc_state->http_req; if (hook_res == EVRPC_TERMINATE) goto error; /* let's check that we can parse the request */ rpc_state->request = rpc->request_new(rpc->request_new_arg); if (rpc_state->request == NULL) goto error; if (rpc->request_unmarshal( rpc_state->request, req->input_buffer) == -1) { /* we failed to parse the request; that's a bummer */ goto error; } /* at this point, we have a well formed request, prepare the reply */ rpc_state->reply = rpc->reply_new(rpc->reply_new_arg); if (rpc_state->reply == NULL) goto error; /* give the rpc to the user; they can deal with it */ rpc->cb(rpc_state, rpc->cb_arg); return; error: evrpc_reqstate_free_(rpc_state); evhttp_send_error(req, HTTP_SERVUNAVAIL, NULL); return; } void evrpc_reqstate_free_(struct evrpc_req_generic* rpc_state) { struct evrpc *rpc; EVUTIL_ASSERT(rpc_state != NULL); rpc = rpc_state->rpc; /* clean up all memory */ if (rpc_state->hook_meta != NULL) evrpc_hook_context_free_(rpc_state->hook_meta); if (rpc_state->request != NULL) rpc->request_free(rpc_state->request); if (rpc_state->reply != NULL) rpc->reply_free(rpc_state->reply); if (rpc_state->rpc_data != NULL) evbuffer_free(rpc_state->rpc_data); mm_free(rpc_state); } static void evrpc_request_done_closure(void *, enum EVRPC_HOOK_RESULT); void evrpc_request_done(struct evrpc_req_generic *rpc_state) { struct evhttp_request *req; struct evrpc *rpc; EVUTIL_ASSERT(rpc_state); req = rpc_state->http_req; rpc = rpc_state->rpc; if (rpc->reply_complete(rpc_state->reply) == -1) { /* the reply was not completely filled in. error out */ goto error; } if ((rpc_state->rpc_data = evbuffer_new()) == NULL) { /* out of memory */ goto error; } /* serialize the reply */ rpc->reply_marshal(rpc_state->rpc_data, rpc_state->reply); if (TAILQ_FIRST(&rpc->base->output_hooks) != NULL) { int hook_res; evrpc_hook_associate_meta_(&rpc_state->hook_meta, req->evcon); /* do hook based tweaks to the request */ hook_res = evrpc_process_hooks(&rpc->base->output_hooks, rpc_state, req, rpc_state->rpc_data); switch (hook_res) { case EVRPC_TERMINATE: goto error; case EVRPC_PAUSE: if (evrpc_pause_request(rpc->base, rpc_state, evrpc_request_done_closure) == -1) goto error; return; case EVRPC_CONTINUE: break; default: EVUTIL_ASSERT(hook_res == EVRPC_TERMINATE || hook_res == EVRPC_CONTINUE || hook_res == EVRPC_PAUSE); } } evrpc_request_done_closure(rpc_state, EVRPC_CONTINUE); return; error: evrpc_reqstate_free_(rpc_state); evhttp_send_error(req, HTTP_SERVUNAVAIL, NULL); return; } void * evrpc_get_request(struct evrpc_req_generic *req) { return req->request; } void * evrpc_get_reply(struct evrpc_req_generic *req) { return req->reply; } static void evrpc_request_done_closure(void *arg, enum EVRPC_HOOK_RESULT hook_res) { struct evrpc_req_generic *rpc_state = arg; struct evhttp_request *req; EVUTIL_ASSERT(rpc_state); req = rpc_state->http_req; if (hook_res == EVRPC_TERMINATE) goto error; /* on success, we are going to transmit marshaled binary data */ if (evhttp_find_header(req->output_headers, "Content-Type") == NULL) { evhttp_add_header(req->output_headers, "Content-Type", "application/octet-stream"); } evhttp_send_reply(req, HTTP_OK, "OK", rpc_state->rpc_data); evrpc_reqstate_free_(rpc_state); return; error: evrpc_reqstate_free_(rpc_state); evhttp_send_error(req, HTTP_SERVUNAVAIL, NULL); return; } /* Client implementation of RPC site */ static int evrpc_schedule_request(struct evhttp_connection *connection, struct evrpc_request_wrapper *ctx); struct evrpc_pool * evrpc_pool_new(struct event_base *base) { struct evrpc_pool *pool = mm_calloc(1, sizeof(struct evrpc_pool)); if (pool == NULL) return (NULL); TAILQ_INIT(&pool->connections); TAILQ_INIT(&pool->requests); TAILQ_INIT(&pool->paused_requests); TAILQ_INIT(&pool->input_hooks); TAILQ_INIT(&pool->output_hooks); pool->base = base; pool->timeout = -1; return (pool); } static void evrpc_request_wrapper_free(struct evrpc_request_wrapper *request) { if (request->hook_meta != NULL) evrpc_hook_context_free_(request->hook_meta); mm_free(request->name); mm_free(request); } void evrpc_pool_free(struct evrpc_pool *pool) { struct evhttp_connection *connection; struct evrpc_request_wrapper *request; struct evrpc_hook_ctx *pause; struct evrpc_hook *hook; int r; while ((request = TAILQ_FIRST(&pool->requests)) != NULL) { TAILQ_REMOVE(&pool->requests, request, next); evrpc_request_wrapper_free(request); } while ((pause = TAILQ_FIRST(&pool->paused_requests)) != NULL) { TAILQ_REMOVE(&pool->paused_requests, pause, next); mm_free(pause); } while ((connection = TAILQ_FIRST(&pool->connections)) != NULL) { TAILQ_REMOVE(&pool->connections, connection, next); evhttp_connection_free(connection); } while ((hook = TAILQ_FIRST(&pool->input_hooks)) != NULL) { r = evrpc_remove_hook(pool, EVRPC_INPUT, hook); EVUTIL_ASSERT(r); } while ((hook = TAILQ_FIRST(&pool->output_hooks)) != NULL) { r = evrpc_remove_hook(pool, EVRPC_OUTPUT, hook); EVUTIL_ASSERT(r); } mm_free(pool); } /* * Add a connection to the RPC pool. A request scheduled on the pool * may use any available connection. */ void evrpc_pool_add_connection(struct evrpc_pool *pool, struct evhttp_connection *connection) { EVUTIL_ASSERT(connection->http_server == NULL); TAILQ_INSERT_TAIL(&pool->connections, connection, next); /* * associate an event base with this connection */ if (pool->base != NULL) evhttp_connection_set_base(connection, pool->base); /* * unless a timeout was specifically set for a connection, * the connection inherits the timeout from the pool. */ if (!evutil_timerisset(&connection->timeout)) evhttp_connection_set_timeout(connection, pool->timeout); /* * if we have any requests pending, schedule them with the new * connections. */ if (TAILQ_FIRST(&pool->requests) != NULL) { struct evrpc_request_wrapper *request = TAILQ_FIRST(&pool->requests); TAILQ_REMOVE(&pool->requests, request, next); evrpc_schedule_request(connection, request); } } void evrpc_pool_remove_connection(struct evrpc_pool *pool, struct evhttp_connection *connection) { TAILQ_REMOVE(&pool->connections, connection, next); } void evrpc_pool_set_timeout(struct evrpc_pool *pool, int timeout_in_secs) { struct evhttp_connection *evcon; TAILQ_FOREACH(evcon, &pool->connections, next) { evhttp_connection_set_timeout(evcon, timeout_in_secs); } pool->timeout = timeout_in_secs; } static void evrpc_reply_done(struct evhttp_request *, void *); static void evrpc_request_timeout(evutil_socket_t, short, void *); /* * Finds a connection object associated with the pool that is currently * idle and can be used to make a request. */ static struct evhttp_connection * evrpc_pool_find_connection(struct evrpc_pool *pool) { struct evhttp_connection *connection; TAILQ_FOREACH(connection, &pool->connections, next) { if (TAILQ_FIRST(&connection->requests) == NULL) return (connection); } return (NULL); } /* * Prototypes responsible for evrpc scheduling and hooking */ static void evrpc_schedule_request_closure(void *ctx, enum EVRPC_HOOK_RESULT); /* * We assume that the ctx is no longer queued on the pool. */ static int evrpc_schedule_request(struct evhttp_connection *connection, struct evrpc_request_wrapper *ctx) { struct evhttp_request *req = NULL; struct evrpc_pool *pool = ctx->pool; struct evrpc_status status; if ((req = evhttp_request_new(evrpc_reply_done, ctx)) == NULL) goto error; /* serialize the request data into the output buffer */ ctx->request_marshal(req->output_buffer, ctx->request); /* we need to know the connection that we might have to abort */ ctx->evcon = connection; /* if we get paused we also need to know the request */ ctx->req = req; if (TAILQ_FIRST(&pool->output_hooks) != NULL) { int hook_res; evrpc_hook_associate_meta_(&ctx->hook_meta, connection); /* apply hooks to the outgoing request */ hook_res = evrpc_process_hooks(&pool->output_hooks, ctx, req, req->output_buffer); switch (hook_res) { case EVRPC_TERMINATE: goto error; case EVRPC_PAUSE: /* we need to be explicitly resumed */ if (evrpc_pause_request(pool, ctx, evrpc_schedule_request_closure) == -1) goto error; return (0); case EVRPC_CONTINUE: /* we can just continue */ break; default: EVUTIL_ASSERT(hook_res == EVRPC_TERMINATE || hook_res == EVRPC_CONTINUE || hook_res == EVRPC_PAUSE); } } evrpc_schedule_request_closure(ctx, EVRPC_CONTINUE); return (0); error: memset(&status, 0, sizeof(status)); status.error = EVRPC_STATUS_ERR_UNSTARTED; (*ctx->cb)(&status, ctx->request, ctx->reply, ctx->cb_arg); evrpc_request_wrapper_free(ctx); return (-1); } static void evrpc_schedule_request_closure(void *arg, enum EVRPC_HOOK_RESULT hook_res) { struct evrpc_request_wrapper *ctx = arg; struct evhttp_connection *connection = ctx->evcon; struct evhttp_request *req = ctx->req; struct evrpc_pool *pool = ctx->pool; struct evrpc_status status; char *uri = NULL; int res = 0; if (hook_res == EVRPC_TERMINATE) goto error; uri = evrpc_construct_uri(ctx->name); if (uri == NULL) goto error; if (pool->timeout > 0) { /* * a timeout after which the whole rpc is going to be aborted. */ struct timeval tv; evutil_timerclear(&tv); tv.tv_sec = pool->timeout; evtimer_add(&ctx->ev_timeout, &tv); } /* start the request over the connection */ res = evhttp_make_request(connection, req, EVHTTP_REQ_POST, uri); mm_free(uri); if (res == -1) goto error; return; error: memset(&status, 0, sizeof(status)); status.error = EVRPC_STATUS_ERR_UNSTARTED; (*ctx->cb)(&status, ctx->request, ctx->reply, ctx->cb_arg); evrpc_request_wrapper_free(ctx); } /* we just queue the paused request on the pool under the req object */ static int evrpc_pause_request(void *vbase, void *ctx, void (*cb)(void *, enum EVRPC_HOOK_RESULT)) { struct evrpc_hooks_ *base = vbase; struct evrpc_hook_ctx *pause = mm_malloc(sizeof(*pause)); if (pause == NULL) return (-1); pause->ctx = ctx; pause->cb = cb; TAILQ_INSERT_TAIL(&base->pause_requests, pause, next); return (0); } int evrpc_resume_request(void *vbase, void *ctx, enum EVRPC_HOOK_RESULT res) { struct evrpc_hooks_ *base = vbase; struct evrpc_pause_list *head = &base->pause_requests; struct evrpc_hook_ctx *pause; TAILQ_FOREACH(pause, head, next) { if (pause->ctx == ctx) break; } if (pause == NULL) return (-1); (*pause->cb)(pause->ctx, res); TAILQ_REMOVE(head, pause, next); mm_free(pause); return (0); } int evrpc_make_request(struct evrpc_request_wrapper *ctx) { struct evrpc_pool *pool = ctx->pool; /* initialize the event structure for this rpc */ evtimer_assign(&ctx->ev_timeout, pool->base, evrpc_request_timeout, ctx); /* we better have some available connections on the pool */ EVUTIL_ASSERT(TAILQ_FIRST(&pool->connections) != NULL); /* * if no connection is available, we queue the request on the pool, * the next time a connection is empty, the rpc will be send on that. */ TAILQ_INSERT_TAIL(&pool->requests, ctx, next); evrpc_pool_schedule(pool); return (0); } struct evrpc_request_wrapper * evrpc_make_request_ctx( struct evrpc_pool *pool, void *request, void *reply, const char *rpcname, void (*req_marshal)(struct evbuffer*, void *), void (*rpl_clear)(void *), int (*rpl_unmarshal)(void *, struct evbuffer *), void (*cb)(struct evrpc_status *, void *, void *, void *), void *cbarg) { struct evrpc_request_wrapper *ctx = (struct evrpc_request_wrapper *) mm_malloc(sizeof(struct evrpc_request_wrapper)); if (ctx == NULL) return (NULL); ctx->pool = pool; ctx->hook_meta = NULL; ctx->evcon = NULL; ctx->name = mm_strdup(rpcname); if (ctx->name == NULL) { mm_free(ctx); return (NULL); } ctx->cb = cb; ctx->cb_arg = cbarg; ctx->request = request; ctx->reply = reply; ctx->request_marshal = req_marshal; ctx->reply_clear = rpl_clear; ctx->reply_unmarshal = rpl_unmarshal; return (ctx); } static void evrpc_reply_done_closure(void *, enum EVRPC_HOOK_RESULT); static void evrpc_reply_done(struct evhttp_request *req, void *arg) { struct evrpc_request_wrapper *ctx = arg; struct evrpc_pool *pool = ctx->pool; int hook_res = EVRPC_CONTINUE; /* cancel any timeout we might have scheduled */ event_del(&ctx->ev_timeout); ctx->req = req; /* we need to get the reply now */ if (req == NULL) { evrpc_reply_done_closure(ctx, EVRPC_CONTINUE); return; } if (TAILQ_FIRST(&pool->input_hooks) != NULL) { evrpc_hook_associate_meta_(&ctx->hook_meta, ctx->evcon); /* apply hooks to the incoming request */ hook_res = evrpc_process_hooks(&pool->input_hooks, ctx, req, req->input_buffer); switch (hook_res) { case EVRPC_TERMINATE: case EVRPC_CONTINUE: break; case EVRPC_PAUSE: /* * if we get paused we also need to know the * request. unfortunately, the underlying * layer is going to free it. we need to * request ownership explicitly */ evhttp_request_own(req); evrpc_pause_request(pool, ctx, evrpc_reply_done_closure); return; default: EVUTIL_ASSERT(hook_res == EVRPC_TERMINATE || hook_res == EVRPC_CONTINUE || hook_res == EVRPC_PAUSE); } } evrpc_reply_done_closure(ctx, hook_res); /* http request is being freed by underlying layer */ } static void evrpc_reply_done_closure(void *arg, enum EVRPC_HOOK_RESULT hook_res) { struct evrpc_request_wrapper *ctx = arg; struct evhttp_request *req = ctx->req; struct evrpc_pool *pool = ctx->pool; struct evrpc_status status; int res = -1; memset(&status, 0, sizeof(status)); status.http_req = req; /* we need to get the reply now */ if (req == NULL) { status.error = EVRPC_STATUS_ERR_TIMEOUT; } else if (hook_res == EVRPC_TERMINATE) { status.error = EVRPC_STATUS_ERR_HOOKABORTED; } else { res = ctx->reply_unmarshal(ctx->reply, req->input_buffer); if (res == -1) status.error = EVRPC_STATUS_ERR_BADPAYLOAD; } if (res == -1) { /* clear everything that we might have written previously */ ctx->reply_clear(ctx->reply); } (*ctx->cb)(&status, ctx->request, ctx->reply, ctx->cb_arg); evrpc_request_wrapper_free(ctx); /* the http layer owned the original request structure, but if we * got paused, we asked for ownership and need to free it here. */ if (req != NULL && evhttp_request_is_owned(req)) evhttp_request_free(req); /* see if we can schedule another request */ evrpc_pool_schedule(pool); } static void evrpc_pool_schedule(struct evrpc_pool *pool) { struct evrpc_request_wrapper *ctx = TAILQ_FIRST(&pool->requests); struct evhttp_connection *evcon; /* if no requests are pending, we have no work */ if (ctx == NULL) return; if ((evcon = evrpc_pool_find_connection(pool)) != NULL) { TAILQ_REMOVE(&pool->requests, ctx, next); evrpc_schedule_request(evcon, ctx); } } static void evrpc_request_timeout(evutil_socket_t fd, short what, void *arg) { struct evrpc_request_wrapper *ctx = arg; struct evhttp_connection *evcon = ctx->evcon; EVUTIL_ASSERT(evcon != NULL); evhttp_connection_fail_(evcon, EVREQ_HTTP_TIMEOUT); } /* * frees potential meta data associated with a request. */ static void evrpc_meta_data_free(struct evrpc_meta_list *meta_data) { struct evrpc_meta *entry; EVUTIL_ASSERT(meta_data != NULL); while ((entry = TAILQ_FIRST(meta_data)) != NULL) { TAILQ_REMOVE(meta_data, entry, next); mm_free(entry->key); mm_free(entry->data); mm_free(entry); } } static struct evrpc_hook_meta * evrpc_hook_meta_new_(void) { struct evrpc_hook_meta *ctx; ctx = mm_malloc(sizeof(struct evrpc_hook_meta)); EVUTIL_ASSERT(ctx != NULL); TAILQ_INIT(&ctx->meta_data); ctx->evcon = NULL; return (ctx); } static void evrpc_hook_associate_meta_(struct evrpc_hook_meta **pctx, struct evhttp_connection *evcon) { struct evrpc_hook_meta *ctx = *pctx; if (ctx == NULL) *pctx = ctx = evrpc_hook_meta_new_(); ctx->evcon = evcon; } static void evrpc_hook_context_free_(struct evrpc_hook_meta *ctx) { evrpc_meta_data_free(&ctx->meta_data); mm_free(ctx); } /* Adds meta data */ void evrpc_hook_add_meta(void *ctx, const char *key, const void *data, size_t data_size) { struct evrpc_request_wrapper *req = ctx; struct evrpc_hook_meta *store = NULL; struct evrpc_meta *meta = NULL; if ((store = req->hook_meta) == NULL) store = req->hook_meta = evrpc_hook_meta_new_(); meta = mm_malloc(sizeof(struct evrpc_meta)); EVUTIL_ASSERT(meta != NULL); meta->key = mm_strdup(key); EVUTIL_ASSERT(meta->key != NULL); meta->data_size = data_size; meta->data = mm_malloc(data_size); EVUTIL_ASSERT(meta->data != NULL); memcpy(meta->data, data, data_size); TAILQ_INSERT_TAIL(&store->meta_data, meta, next); } int evrpc_hook_find_meta(void *ctx, const char *key, void **data, size_t *data_size) { struct evrpc_request_wrapper *req = ctx; struct evrpc_meta *meta = NULL; if (req->hook_meta == NULL) return (-1); TAILQ_FOREACH(meta, &req->hook_meta->meta_data, next) { if (strcmp(meta->key, key) == 0) { *data = meta->data; *data_size = meta->data_size; return (0); } } return (-1); } struct evhttp_connection * evrpc_hook_get_connection(void *ctx) { struct evrpc_request_wrapper *req = ctx; return (req->hook_meta != NULL ? req->hook_meta->evcon : NULL); } int evrpc_send_request_generic(struct evrpc_pool *pool, void *request, void *reply, void (*cb)(struct evrpc_status *, void *, void *, void *), void *cb_arg, const char *rpcname, void (*req_marshal)(struct evbuffer *, void *), void (*rpl_clear)(void *), int (*rpl_unmarshal)(void *, struct evbuffer *)) { struct evrpc_status status; struct evrpc_request_wrapper *ctx; ctx = evrpc_make_request_ctx(pool, request, reply, rpcname, req_marshal, rpl_clear, rpl_unmarshal, cb, cb_arg); if (ctx == NULL) goto error; return (evrpc_make_request(ctx)); error: memset(&status, 0, sizeof(status)); status.error = EVRPC_STATUS_ERR_UNSTARTED; (*(cb))(&status, request, reply, cb_arg); return (-1); } /** Takes a request object and fills it in with the right magic */ static struct evrpc * evrpc_register_object(const char *name, void *(*req_new)(void*), void *req_new_arg, void (*req_free)(void *), int (*req_unmarshal)(void *, struct evbuffer *), void *(*rpl_new)(void*), void *rpl_new_arg, void (*rpl_free)(void *), int (*rpl_complete)(void *), void (*rpl_marshal)(struct evbuffer *, void *)) { struct evrpc* rpc = (struct evrpc *)mm_calloc(1, sizeof(struct evrpc)); if (rpc == NULL) return (NULL); rpc->uri = mm_strdup(name); if (rpc->uri == NULL) { mm_free(rpc); return (NULL); } rpc->request_new = req_new; rpc->request_new_arg = req_new_arg; rpc->request_free = req_free; rpc->request_unmarshal = req_unmarshal; rpc->reply_new = rpl_new; rpc->reply_new_arg = rpl_new_arg; rpc->reply_free = rpl_free; rpc->reply_complete = rpl_complete; rpc->reply_marshal = rpl_marshal; return (rpc); } int evrpc_register_generic(struct evrpc_base *base, const char *name, void (*callback)(struct evrpc_req_generic *, void *), void *cbarg, void *(*req_new)(void *), void *req_new_arg, void (*req_free)(void *), int (*req_unmarshal)(void *, struct evbuffer *), void *(*rpl_new)(void *), void *rpl_new_arg, void (*rpl_free)(void *), int (*rpl_complete)(void *), void (*rpl_marshal)(struct evbuffer *, void *)) { struct evrpc* rpc = evrpc_register_object(name, req_new, req_new_arg, req_free, req_unmarshal, rpl_new, rpl_new_arg, rpl_free, rpl_complete, rpl_marshal); if (rpc == NULL) return (-1); evrpc_register_rpc(base, rpc, (void (*)(struct evrpc_req_generic*, void *))callback, cbarg); return (0); } /** accessors for obscure and undocumented functionality */ struct evrpc_pool * evrpc_request_get_pool(struct evrpc_request_wrapper *ctx) { return (ctx->pool); } void evrpc_request_set_pool(struct evrpc_request_wrapper *ctx, struct evrpc_pool *pool) { ctx->pool = pool; } void evrpc_request_set_cb(struct evrpc_request_wrapper *ctx, void (*cb)(struct evrpc_status*, void *request, void *reply, void *arg), void *cb_arg) { ctx->cb = cb; ctx->cb_arg = cb_arg; } lldpd-1.0.18/libevent/bufferevent_sock.c0000644000076400001440000004355514111362570017460 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * Copyright (c) 2002-2006 Niels Provos * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #include #include #include #ifdef EVENT__HAVE_STDARG_H #include #endif #ifdef EVENT__HAVE_UNISTD_H #include #endif #ifdef _WIN32 #include #include #endif #ifdef EVENT__HAVE_SYS_SOCKET_H #include #endif #ifdef EVENT__HAVE_NETINET_IN_H #include #endif #ifdef EVENT__HAVE_NETINET_IN6_H #include #endif #include "event2/util.h" #include "event2/bufferevent.h" #include "event2/buffer.h" #include "event2/bufferevent_struct.h" #include "event2/bufferevent_compat.h" #include "event2/event.h" #include "log-internal.h" #include "mm-internal.h" #include "bufferevent-internal.h" #include "util-internal.h" #ifdef _WIN32 #include "iocp-internal.h" #endif /* prototypes */ static int be_socket_enable(struct bufferevent *, short); static int be_socket_disable(struct bufferevent *, short); static void be_socket_destruct(struct bufferevent *); static int be_socket_flush(struct bufferevent *, short, enum bufferevent_flush_mode); static int be_socket_ctrl(struct bufferevent *, enum bufferevent_ctrl_op, union bufferevent_ctrl_data *); static void be_socket_setfd(struct bufferevent *, evutil_socket_t); const struct bufferevent_ops bufferevent_ops_socket = { "socket", evutil_offsetof(struct bufferevent_private, bev), be_socket_enable, be_socket_disable, NULL, /* unlink */ be_socket_destruct, bufferevent_generic_adj_existing_timeouts_, be_socket_flush, be_socket_ctrl, }; const struct sockaddr* bufferevent_socket_get_conn_address_(struct bufferevent *bev) { struct bufferevent_private *bev_p = BEV_UPCAST(bev); return (struct sockaddr *)&bev_p->conn_address; } void bufferevent_socket_set_conn_address_fd_(struct bufferevent *bev, evutil_socket_t fd) { struct bufferevent_private *bev_p = BEV_UPCAST(bev); socklen_t len = sizeof(bev_p->conn_address); struct sockaddr *addr = (struct sockaddr *)&bev_p->conn_address; if (addr->sa_family != AF_UNSPEC) getpeername(fd, addr, &len); } void bufferevent_socket_set_conn_address_(struct bufferevent *bev, struct sockaddr *addr, size_t addrlen) { struct bufferevent_private *bev_p = BEV_UPCAST(bev); EVUTIL_ASSERT(addrlen <= sizeof(bev_p->conn_address)); memcpy(&bev_p->conn_address, addr, addrlen); } static void bufferevent_socket_outbuf_cb(struct evbuffer *buf, const struct evbuffer_cb_info *cbinfo, void *arg) { struct bufferevent *bufev = arg; struct bufferevent_private *bufev_p = BEV_UPCAST(bufev); if (cbinfo->n_added && (bufev->enabled & EV_WRITE) && !event_pending(&bufev->ev_write, EV_WRITE, NULL) && !bufev_p->write_suspended) { /* Somebody added data to the buffer, and we would like to * write, and we were not writing. So, start writing. */ if (bufferevent_add_event_(&bufev->ev_write, &bufev->timeout_write) == -1) { /* Should we log this? */ } } } static void bufferevent_readcb(evutil_socket_t fd, short event, void *arg) { struct bufferevent *bufev = arg; struct bufferevent_private *bufev_p = BEV_UPCAST(bufev); struct evbuffer *input; int res = 0; short what = BEV_EVENT_READING; ev_ssize_t howmuch = -1, readmax=-1; bufferevent_incref_and_lock_(bufev); if (event == EV_TIMEOUT) { /* Note that we only check for event==EV_TIMEOUT. If * event==EV_TIMEOUT|EV_READ, we can safely ignore the * timeout, since a read has occurred */ what |= BEV_EVENT_TIMEOUT; goto error; } input = bufev->input; /* * If we have a high watermark configured then we don't want to * read more data than would make us reach the watermark. */ if (bufev->wm_read.high != 0) { howmuch = bufev->wm_read.high - evbuffer_get_length(input); /* we somehow lowered the watermark, stop reading */ if (howmuch <= 0) { bufferevent_wm_suspend_read(bufev); goto done; } } readmax = bufferevent_get_read_max_(bufev_p); if (howmuch < 0 || howmuch > readmax) /* The use of -1 for "unlimited" * uglifies this code. XXXX */ howmuch = readmax; if (bufev_p->read_suspended) goto done; evbuffer_unfreeze(input, 0); res = evbuffer_read(input, fd, (int)howmuch); /* XXXX evbuffer_read would do better to take and return ev_ssize_t */ evbuffer_freeze(input, 0); if (res == -1) { int err = evutil_socket_geterror(fd); if (EVUTIL_ERR_RW_RETRIABLE(err)) goto reschedule; if (EVUTIL_ERR_CONNECT_REFUSED(err)) { bufev_p->connection_refused = 1; goto done; } /* error case */ what |= BEV_EVENT_ERROR; } else if (res == 0) { /* eof case */ what |= BEV_EVENT_EOF; } if (res <= 0) goto error; bufferevent_decrement_read_buckets_(bufev_p, res); /* Invoke the user callback - must always be called last */ bufferevent_trigger_nolock_(bufev, EV_READ, 0); goto done; reschedule: goto done; error: bufferevent_disable(bufev, EV_READ); bufferevent_run_eventcb_(bufev, what, 0); done: bufferevent_decref_and_unlock_(bufev); } static void bufferevent_writecb(evutil_socket_t fd, short event, void *arg) { struct bufferevent *bufev = arg; struct bufferevent_private *bufev_p = BEV_UPCAST(bufev); int res = 0; short what = BEV_EVENT_WRITING; int connected = 0; ev_ssize_t atmost = -1; bufferevent_incref_and_lock_(bufev); if (event == EV_TIMEOUT) { /* Note that we only check for event==EV_TIMEOUT. If * event==EV_TIMEOUT|EV_WRITE, we can safely ignore the * timeout, since a read has occurred */ what |= BEV_EVENT_TIMEOUT; goto error; } if (bufev_p->connecting) { int c = evutil_socket_finished_connecting_(fd); /* we need to fake the error if the connection was refused * immediately - usually connection to localhost on BSD */ if (bufev_p->connection_refused) { bufev_p->connection_refused = 0; c = -1; } if (c == 0) goto done; bufev_p->connecting = 0; if (c < 0) { event_del(&bufev->ev_write); event_del(&bufev->ev_read); bufferevent_run_eventcb_(bufev, BEV_EVENT_ERROR, 0); goto done; } else { connected = 1; bufferevent_socket_set_conn_address_fd_(bufev, fd); #ifdef _WIN32 if (BEV_IS_ASYNC(bufev)) { event_del(&bufev->ev_write); bufferevent_async_set_connected_(bufev); bufferevent_run_eventcb_(bufev, BEV_EVENT_CONNECTED, 0); goto done; } #endif bufferevent_run_eventcb_(bufev, BEV_EVENT_CONNECTED, 0); if (!(bufev->enabled & EV_WRITE) || bufev_p->write_suspended) { event_del(&bufev->ev_write); goto done; } } } atmost = bufferevent_get_write_max_(bufev_p); if (bufev_p->write_suspended) goto done; if (evbuffer_get_length(bufev->output)) { evbuffer_unfreeze(bufev->output, 1); res = evbuffer_write_atmost(bufev->output, fd, atmost); evbuffer_freeze(bufev->output, 1); if (res == -1) { int err = evutil_socket_geterror(fd); if (EVUTIL_ERR_RW_RETRIABLE(err)) goto reschedule; what |= BEV_EVENT_ERROR; } else if (res == 0) { /* eof case XXXX Actually, a 0 on write doesn't indicate an EOF. An ECONNRESET might be more typical. */ what |= BEV_EVENT_EOF; } if (res <= 0) goto error; bufferevent_decrement_write_buckets_(bufev_p, res); } if (evbuffer_get_length(bufev->output) == 0) { event_del(&bufev->ev_write); } /* * Invoke the user callback if our buffer is drained or below the * low watermark. */ if (res || !connected) { bufferevent_trigger_nolock_(bufev, EV_WRITE, 0); } goto done; reschedule: if (evbuffer_get_length(bufev->output) == 0) { event_del(&bufev->ev_write); } goto done; error: bufferevent_disable(bufev, EV_WRITE); bufferevent_run_eventcb_(bufev, what, 0); done: bufferevent_decref_and_unlock_(bufev); } struct bufferevent * bufferevent_socket_new(struct event_base *base, evutil_socket_t fd, int options) { struct bufferevent_private *bufev_p; struct bufferevent *bufev; #ifdef _WIN32 if (base && event_base_get_iocp_(base)) return bufferevent_async_new_(base, fd, options); #endif if ((bufev_p = mm_calloc(1, sizeof(struct bufferevent_private)))== NULL) return NULL; if (bufferevent_init_common_(bufev_p, base, &bufferevent_ops_socket, options) < 0) { mm_free(bufev_p); return NULL; } bufev = &bufev_p->bev; evbuffer_set_flags(bufev->output, EVBUFFER_FLAG_DRAINS_TO_FD); event_assign(&bufev->ev_read, bufev->ev_base, fd, EV_READ|EV_PERSIST|EV_FINALIZE, bufferevent_readcb, bufev); event_assign(&bufev->ev_write, bufev->ev_base, fd, EV_WRITE|EV_PERSIST|EV_FINALIZE, bufferevent_writecb, bufev); evbuffer_add_cb(bufev->output, bufferevent_socket_outbuf_cb, bufev); evbuffer_freeze(bufev->input, 0); evbuffer_freeze(bufev->output, 1); return bufev; } int bufferevent_socket_connect(struct bufferevent *bev, const struct sockaddr *sa, int socklen) { struct bufferevent_private *bufev_p = BEV_UPCAST(bev); evutil_socket_t fd; int r = 0; int result=-1; int ownfd = 0; bufferevent_incref_and_lock_(bev); fd = bufferevent_getfd(bev); if (fd < 0) { if (!sa) goto done; fd = evutil_socket_(sa->sa_family, SOCK_STREAM|EVUTIL_SOCK_NONBLOCK, 0); if (fd < 0) goto freesock; ownfd = 1; } if (sa) { #ifdef _WIN32 if (bufferevent_async_can_connect_(bev)) { bufferevent_setfd(bev, fd); r = bufferevent_async_connect_(bev, fd, sa, socklen); if (r < 0) goto freesock; bufev_p->connecting = 1; result = 0; goto done; } else #endif r = evutil_socket_connect_(&fd, sa, socklen); if (r < 0) goto freesock; } #ifdef _WIN32 /* ConnectEx() isn't always around, even when IOCP is enabled. * Here, we borrow the socket object's write handler to fall back * on a non-blocking connect() when ConnectEx() is unavailable. */ if (BEV_IS_ASYNC(bev)) { event_assign(&bev->ev_write, bev->ev_base, fd, EV_WRITE|EV_PERSIST|EV_FINALIZE, bufferevent_writecb, bev); } #endif bufferevent_setfd(bev, fd); if (r == 0) { if (! be_socket_enable(bev, EV_WRITE)) { bufev_p->connecting = 1; result = 0; goto done; } } else if (r == 1) { /* The connect succeeded already. How very BSD of it. */ result = 0; bufev_p->connecting = 1; bufferevent_trigger_nolock_(bev, EV_WRITE, BEV_OPT_DEFER_CALLBACKS); } else { /* The connect failed already. How very BSD of it. */ result = 0; bufferevent_run_eventcb_(bev, BEV_EVENT_ERROR, BEV_OPT_DEFER_CALLBACKS); bufferevent_disable(bev, EV_WRITE|EV_READ); } goto done; freesock: if (ownfd) evutil_closesocket(fd); done: bufferevent_decref_and_unlock_(bev); return result; } static void bufferevent_connect_getaddrinfo_cb(int result, struct evutil_addrinfo *ai, void *arg) { struct bufferevent *bev = arg; struct bufferevent_private *bev_p = BEV_UPCAST(bev); int r; BEV_LOCK(bev); bufferevent_unsuspend_write_(bev, BEV_SUSPEND_LOOKUP); bufferevent_unsuspend_read_(bev, BEV_SUSPEND_LOOKUP); bev_p->dns_request = NULL; if (result == EVUTIL_EAI_CANCEL) { bev_p->dns_error = result; bufferevent_decref_and_unlock_(bev); return; } if (result != 0) { bev_p->dns_error = result; bufferevent_run_eventcb_(bev, BEV_EVENT_ERROR, 0); bufferevent_decref_and_unlock_(bev); if (ai) evutil_freeaddrinfo(ai); return; } /* XXX use the other addrinfos? */ bufferevent_socket_set_conn_address_(bev, ai->ai_addr, (int)ai->ai_addrlen); r = bufferevent_socket_connect(bev, ai->ai_addr, (int)ai->ai_addrlen); if (r < 0) bufferevent_run_eventcb_(bev, BEV_EVENT_ERROR, 0); bufferevent_decref_and_unlock_(bev); evutil_freeaddrinfo(ai); } int bufferevent_socket_connect_hostname(struct bufferevent *bev, struct evdns_base *evdns_base, int family, const char *hostname, int port) { char portbuf[10]; struct evutil_addrinfo hint; struct bufferevent_private *bev_p = BEV_UPCAST(bev); if (family != AF_INET && family != AF_INET6 && family != AF_UNSPEC) return -1; if (port < 1 || port > 65535) return -1; memset(&hint, 0, sizeof(hint)); hint.ai_family = family; hint.ai_protocol = IPPROTO_TCP; hint.ai_socktype = SOCK_STREAM; evutil_snprintf(portbuf, sizeof(portbuf), "%d", port); BEV_LOCK(bev); bev_p->dns_error = 0; bufferevent_suspend_write_(bev, BEV_SUSPEND_LOOKUP); bufferevent_suspend_read_(bev, BEV_SUSPEND_LOOKUP); bufferevent_incref_(bev); bev_p->dns_request = evutil_getaddrinfo_async_(evdns_base, hostname, portbuf, &hint, bufferevent_connect_getaddrinfo_cb, bev); BEV_UNLOCK(bev); return 0; } int bufferevent_socket_get_dns_error(struct bufferevent *bev) { int rv; struct bufferevent_private *bev_p = BEV_UPCAST(bev); BEV_LOCK(bev); rv = bev_p->dns_error; BEV_UNLOCK(bev); return rv; } /* * Create a new buffered event object. * * The read callback is invoked whenever we read new data. * The write callback is invoked whenever the output buffer is drained. * The error callback is invoked on a write/read error or on EOF. * * Both read and write callbacks maybe NULL. The error callback is not * allowed to be NULL and have to be provided always. */ struct bufferevent * bufferevent_new(evutil_socket_t fd, bufferevent_data_cb readcb, bufferevent_data_cb writecb, bufferevent_event_cb eventcb, void *cbarg) { struct bufferevent *bufev; if (!(bufev = bufferevent_socket_new(NULL, fd, 0))) return NULL; bufferevent_setcb(bufev, readcb, writecb, eventcb, cbarg); return bufev; } static int be_socket_enable(struct bufferevent *bufev, short event) { if (event & EV_READ && bufferevent_add_event_(&bufev->ev_read, &bufev->timeout_read) == -1) return -1; if (event & EV_WRITE && bufferevent_add_event_(&bufev->ev_write, &bufev->timeout_write) == -1) return -1; return 0; } static int be_socket_disable(struct bufferevent *bufev, short event) { struct bufferevent_private *bufev_p = BEV_UPCAST(bufev); if (event & EV_READ) { if (event_del(&bufev->ev_read) == -1) return -1; } /* Don't actually disable the write if we are trying to connect. */ if ((event & EV_WRITE) && ! bufev_p->connecting) { if (event_del(&bufev->ev_write) == -1) return -1; } return 0; } static void be_socket_destruct(struct bufferevent *bufev) { struct bufferevent_private *bufev_p = BEV_UPCAST(bufev); evutil_socket_t fd; EVUTIL_ASSERT(BEV_IS_SOCKET(bufev)); fd = event_get_fd(&bufev->ev_read); if ((bufev_p->options & BEV_OPT_CLOSE_ON_FREE) && fd >= 0) EVUTIL_CLOSESOCKET(fd); evutil_getaddrinfo_cancel_async_(bufev_p->dns_request); } static int be_socket_flush(struct bufferevent *bev, short iotype, enum bufferevent_flush_mode mode) { return 0; } static void be_socket_setfd(struct bufferevent *bufev, evutil_socket_t fd) { struct bufferevent_private *bufev_p = BEV_UPCAST(bufev); BEV_LOCK(bufev); EVUTIL_ASSERT(BEV_IS_SOCKET(bufev)); event_del(&bufev->ev_read); event_del(&bufev->ev_write); evbuffer_unfreeze(bufev->input, 0); evbuffer_unfreeze(bufev->output, 1); event_assign(&bufev->ev_read, bufev->ev_base, fd, EV_READ|EV_PERSIST|EV_FINALIZE, bufferevent_readcb, bufev); event_assign(&bufev->ev_write, bufev->ev_base, fd, EV_WRITE|EV_PERSIST|EV_FINALIZE, bufferevent_writecb, bufev); if (fd >= 0) bufferevent_enable(bufev, bufev->enabled); evutil_getaddrinfo_cancel_async_(bufev_p->dns_request); BEV_UNLOCK(bufev); } /* XXXX Should non-socket bufferevents support this? */ int bufferevent_priority_set(struct bufferevent *bufev, int priority) { int r = -1; struct bufferevent_private *bufev_p = BEV_UPCAST(bufev); BEV_LOCK(bufev); if (BEV_IS_ASYNC(bufev) || BEV_IS_FILTER(bufev) || BEV_IS_PAIR(bufev)) goto done; if (event_priority_set(&bufev->ev_read, priority) == -1) goto done; if (event_priority_set(&bufev->ev_write, priority) == -1) goto done; event_deferred_cb_set_priority_(&bufev_p->deferred, priority); r = 0; done: BEV_UNLOCK(bufev); return r; } /* XXXX Should non-socket bufferevents support this? */ int bufferevent_base_set(struct event_base *base, struct bufferevent *bufev) { int res = -1; BEV_LOCK(bufev); if (!BEV_IS_SOCKET(bufev)) goto done; bufev->ev_base = base; res = event_base_set(base, &bufev->ev_read); if (res == -1) goto done; res = event_base_set(base, &bufev->ev_write); done: BEV_UNLOCK(bufev); return res; } static int be_socket_ctrl(struct bufferevent *bev, enum bufferevent_ctrl_op op, union bufferevent_ctrl_data *data) { switch (op) { case BEV_CTRL_SET_FD: be_socket_setfd(bev, data->fd); return 0; case BEV_CTRL_GET_FD: data->fd = event_get_fd(&bev->ev_read); return 0; case BEV_CTRL_GET_UNDERLYING: case BEV_CTRL_CANCEL_ALL: default: return -1; } } lldpd-1.0.18/libevent/ipv6-internal.h0000644000076400001440000000472214111362570016622 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* Internal use only: Fake IPv6 structures and values on platforms that * do not have them */ #ifndef IPV6_INTERNAL_H_INCLUDED_ #define IPV6_INTERNAL_H_INCLUDED_ #include "event2/event-config.h" #include "evconfig-private.h" #include #ifdef EVENT__HAVE_SYS_SOCKET_H #include #endif #include "event2/util.h" #ifdef __cplusplus extern "C" { #endif /** @file ipv6-internal.h * * Replacement types and functions for platforms that don't support ipv6 * properly. */ #ifndef EVENT__HAVE_STRUCT_IN6_ADDR struct in6_addr { ev_uint8_t s6_addr[16]; }; #endif #ifndef EVENT__HAVE_SA_FAMILY_T typedef int sa_family_t; #endif #ifndef EVENT__HAVE_STRUCT_SOCKADDR_IN6 struct sockaddr_in6 { /* This will fail if we find a struct sockaddr that doesn't have * sa_family as the first element. */ sa_family_t sin6_family; ev_uint16_t sin6_port; struct in6_addr sin6_addr; }; #endif #ifndef AF_INET6 #define AF_INET6 3333 #endif #ifndef PF_INET6 #define PF_INET6 AF_INET6 #endif #ifdef __cplusplus } #endif #endif lldpd-1.0.18/libevent/ratelim-internal.h0000644000076400001440000000777414111362570017405 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef RATELIM_INTERNAL_H_INCLUDED_ #define RATELIM_INTERNAL_H_INCLUDED_ #ifdef __cplusplus extern "C" { #endif #include "event2/util.h" /** A token bucket is an internal structure that tracks how many bytes we are * currently willing to read or write on a given bufferevent or group of * bufferevents */ struct ev_token_bucket { /** How many bytes are we willing to read or write right now? These * values are signed so that we can do "defecit spending" */ ev_ssize_t read_limit, write_limit; /** When was this bucket last updated? Measured in abstract 'ticks' * relative to the token bucket configuration. */ ev_uint32_t last_updated; }; /** Configuration info for a token bucket or set of token buckets. */ struct ev_token_bucket_cfg { /** How many bytes are we willing to read on average per tick? */ size_t read_rate; /** How many bytes are we willing to read at most in any one tick? */ size_t read_maximum; /** How many bytes are we willing to write on average per tick? */ size_t write_rate; /** How many bytes are we willing to write at most in any one tick? */ size_t write_maximum; /* How long is a tick? Note that fractions of a millisecond are * ignored. */ struct timeval tick_timeout; /* How long is a tick, in milliseconds? Derived from tick_timeout. */ unsigned msec_per_tick; }; /** The current tick is 'current_tick': add bytes to 'bucket' as specified in * 'cfg'. */ int ev_token_bucket_update_(struct ev_token_bucket *bucket, const struct ev_token_bucket_cfg *cfg, ev_uint32_t current_tick); /** In which tick does 'tv' fall according to 'cfg'? Note that ticks can * overflow easily; your code needs to handle this. */ ev_uint32_t ev_token_bucket_get_tick_(const struct timeval *tv, const struct ev_token_bucket_cfg *cfg); /** Adjust 'bucket' to respect 'cfg', and note that it was last updated in * 'current_tick'. If 'reinitialize' is true, we are changing the * configuration of 'bucket'; otherwise, we are setting it up for the first * time. */ int ev_token_bucket_init_(struct ev_token_bucket *bucket, const struct ev_token_bucket_cfg *cfg, ev_uint32_t current_tick, int reinitialize); int bufferevent_remove_from_rate_limit_group_internal_(struct bufferevent *bev, int unsuspend); /** Decrease the read limit of 'b' by 'n' bytes */ #define ev_token_bucket_decrement_read(b,n) \ do { \ (b)->read_limit -= (n); \ } while (0) /** Decrease the write limit of 'b' by 'n' bytes */ #define ev_token_bucket_decrement_write(b,n) \ do { \ (b)->write_limit -= (n); \ } while (0) #ifdef __cplusplus } #endif #endif lldpd-1.0.18/libevent/signal.c0000644000076400001440000003036714111362570015400 0ustar00bernatusers/* $OpenBSD: select.c,v 1.2 2002/06/25 15:50:15 mickey Exp $ */ /* * Copyright 2000-2007 Niels Provos * Copyright 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #ifdef _WIN32 #define WIN32_LEAN_AND_MEAN #include #include #undef WIN32_LEAN_AND_MEAN #endif #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #ifdef EVENT__HAVE_SYS_SOCKET_H #include #endif #include #include #include #include #ifdef EVENT__HAVE_UNISTD_H #include #endif #include #ifdef EVENT__HAVE_FCNTL_H #include #endif #include "event2/event.h" #include "event2/event_struct.h" #include "event-internal.h" #include "event2/util.h" #include "evsignal-internal.h" #include "log-internal.h" #include "evmap-internal.h" #include "evthread-internal.h" /* signal.c This is the signal-handling implementation we use for backends that don't have a better way to do signal handling. It uses sigaction() or signal() to set a signal handler, and a socket pair to tell the event base when Note that I said "the event base" : only one event base can be set up to use this at a time. For historical reasons and backward compatibility, if you add an event for a signal to event_base A, then add an event for a signal (any signal!) to event_base B, event_base B will get informed about the signal, but event_base A won't. It would be neat to change this behavior in some future version of Libevent. kqueue already does something far more sensible. We can make all backends on Linux do a reasonable thing using signalfd. */ #ifndef _WIN32 /* Windows wants us to call our signal handlers as __cdecl. Nobody else * expects you to do anything crazy like this. */ #ifndef __cdecl #define __cdecl #endif #endif static int evsig_add(struct event_base *, evutil_socket_t, short, short, void *); static int evsig_del(struct event_base *, evutil_socket_t, short, short, void *); static const struct eventop evsigops = { "signal", NULL, evsig_add, evsig_del, NULL, NULL, 0, 0, 0 }; #ifndef EVENT__DISABLE_THREAD_SUPPORT /* Lock for evsig_base and evsig_base_n_signals_added fields. */ static void *evsig_base_lock = NULL; #endif /* The event base that's currently getting informed about signals. */ static struct event_base *evsig_base = NULL; /* A copy of evsig_base->sigev_n_signals_added. */ static int evsig_base_n_signals_added = 0; static evutil_socket_t evsig_base_fd = -1; static void __cdecl evsig_handler(int sig); #define EVSIGBASE_LOCK() EVLOCK_LOCK(evsig_base_lock, 0) #define EVSIGBASE_UNLOCK() EVLOCK_UNLOCK(evsig_base_lock, 0) void evsig_set_base_(struct event_base *base) { EVSIGBASE_LOCK(); evsig_base = base; evsig_base_n_signals_added = base->sig.ev_n_signals_added; evsig_base_fd = base->sig.ev_signal_pair[1]; EVSIGBASE_UNLOCK(); } /* Callback for when the signal handler write a byte to our signaling socket */ static void evsig_cb(evutil_socket_t fd, short what, void *arg) { static char signals[1024]; ev_ssize_t n; int i; int ncaught[NSIG]; struct event_base *base; base = arg; memset(&ncaught, 0, sizeof(ncaught)); while (1) { #ifdef _WIN32 n = recv(fd, signals, sizeof(signals), 0); #else n = read(fd, signals, sizeof(signals)); #endif if (n == -1) { int err = evutil_socket_geterror(fd); if (! EVUTIL_ERR_RW_RETRIABLE(err)) event_sock_err(1, fd, "%s: recv", __func__); break; } else if (n == 0) { /* XXX warn? */ break; } for (i = 0; i < n; ++i) { ev_uint8_t sig = signals[i]; if (sig < NSIG) ncaught[sig]++; } } EVBASE_ACQUIRE_LOCK(base, th_base_lock); for (i = 0; i < NSIG; ++i) { if (ncaught[i]) evmap_signal_active_(base, i, ncaught[i]); } EVBASE_RELEASE_LOCK(base, th_base_lock); } int evsig_init_(struct event_base *base) { /* * Our signal handler is going to write to one end of the socket * pair to wake up our event loop. The event loop then scans for * signals that got delivered. */ if (evutil_make_internal_pipe_(base->sig.ev_signal_pair) == -1) { #ifdef _WIN32 /* Make this nonfatal on win32, where sometimes people have localhost firewalled. */ event_sock_warn(-1, "%s: socketpair", __func__); #else event_sock_err(1, -1, "%s: socketpair", __func__); #endif return -1; } if (base->sig.sh_old) { mm_free(base->sig.sh_old); } base->sig.sh_old = NULL; base->sig.sh_old_max = 0; event_assign(&base->sig.ev_signal, base, base->sig.ev_signal_pair[0], EV_READ | EV_PERSIST, evsig_cb, base); base->sig.ev_signal.ev_flags |= EVLIST_INTERNAL; event_priority_set(&base->sig.ev_signal, 0); base->evsigsel = &evsigops; return 0; } /* Helper: set the signal handler for evsignal to handler in base, so that * we can restore the original handler when we clear the current one. */ int evsig_set_handler_(struct event_base *base, int evsignal, void (__cdecl *handler)(int)) { #ifdef EVENT__HAVE_SIGACTION struct sigaction sa; #else ev_sighandler_t sh; #endif struct evsig_info *sig = &base->sig; void *p; /* * resize saved signal handler array up to the highest signal number. * a dynamic array is used to keep footprint on the low side. */ if (evsignal >= sig->sh_old_max) { int new_max = evsignal + 1; event_debug(("%s: evsignal (%d) >= sh_old_max (%d), resizing", __func__, evsignal, sig->sh_old_max)); p = mm_realloc(sig->sh_old, new_max * sizeof(*sig->sh_old)); if (p == NULL) { event_warn("realloc"); return (-1); } memset((char *)p + sig->sh_old_max * sizeof(*sig->sh_old), 0, (new_max - sig->sh_old_max) * sizeof(*sig->sh_old)); sig->sh_old_max = new_max; sig->sh_old = p; } /* allocate space for previous handler out of dynamic array */ sig->sh_old[evsignal] = mm_malloc(sizeof *sig->sh_old[evsignal]); if (sig->sh_old[evsignal] == NULL) { event_warn("malloc"); return (-1); } /* save previous handler and setup new handler */ #ifdef EVENT__HAVE_SIGACTION memset(&sa, 0, sizeof(sa)); sa.sa_handler = handler; sa.sa_flags |= SA_RESTART; sigfillset(&sa.sa_mask); if (sigaction(evsignal, &sa, sig->sh_old[evsignal]) == -1) { event_warn("sigaction"); mm_free(sig->sh_old[evsignal]); sig->sh_old[evsignal] = NULL; return (-1); } #else if ((sh = signal(evsignal, handler)) == SIG_ERR) { event_warn("signal"); mm_free(sig->sh_old[evsignal]); sig->sh_old[evsignal] = NULL; return (-1); } *sig->sh_old[evsignal] = sh; #endif return (0); } static int evsig_add(struct event_base *base, evutil_socket_t evsignal, short old, short events, void *p) { struct evsig_info *sig = &base->sig; (void)p; EVUTIL_ASSERT(evsignal >= 0 && evsignal < NSIG); /* catch signals if they happen quickly */ EVSIGBASE_LOCK(); if (evsig_base != base && evsig_base_n_signals_added) { event_warnx("Added a signal to event base %p with signals " "already added to event_base %p. Only one can have " "signals at a time with the %s backend. The base with " "the most recently added signal or the most recent " "event_base_loop() call gets preference; do " "not rely on this behavior in future Libevent versions.", base, evsig_base, base->evsel->name); } evsig_base = base; evsig_base_n_signals_added = ++sig->ev_n_signals_added; evsig_base_fd = base->sig.ev_signal_pair[1]; EVSIGBASE_UNLOCK(); event_debug(("%s: %d: changing signal handler", __func__, (int)evsignal)); if (evsig_set_handler_(base, (int)evsignal, evsig_handler) == -1) { goto err; } if (!sig->ev_signal_added) { if (event_add_nolock_(&sig->ev_signal, NULL, 0)) goto err; sig->ev_signal_added = 1; } return (0); err: EVSIGBASE_LOCK(); --evsig_base_n_signals_added; --sig->ev_n_signals_added; EVSIGBASE_UNLOCK(); return (-1); } int evsig_restore_handler_(struct event_base *base, int evsignal) { int ret = 0; struct evsig_info *sig = &base->sig; #ifdef EVENT__HAVE_SIGACTION struct sigaction *sh; #else ev_sighandler_t *sh; #endif if (evsignal >= sig->sh_old_max) { /* Can't actually restore. */ /* XXXX.*/ return 0; } /* restore previous handler */ sh = sig->sh_old[evsignal]; sig->sh_old[evsignal] = NULL; #ifdef EVENT__HAVE_SIGACTION if (sigaction(evsignal, sh, NULL) == -1) { event_warn("sigaction"); ret = -1; } #else if (signal(evsignal, *sh) == SIG_ERR) { event_warn("signal"); ret = -1; } #endif mm_free(sh); return ret; } static int evsig_del(struct event_base *base, evutil_socket_t evsignal, short old, short events, void *p) { EVUTIL_ASSERT(evsignal >= 0 && evsignal < NSIG); event_debug(("%s: "EV_SOCK_FMT": restoring signal handler", __func__, EV_SOCK_ARG(evsignal))); EVSIGBASE_LOCK(); --evsig_base_n_signals_added; --base->sig.ev_n_signals_added; EVSIGBASE_UNLOCK(); return (evsig_restore_handler_(base, (int)evsignal)); } static void __cdecl evsig_handler(int sig) { int save_errno = errno; #ifdef _WIN32 int socket_errno = EVUTIL_SOCKET_ERROR(); #endif ev_uint8_t msg; if (evsig_base == NULL) { event_warnx( "%s: received signal %d, but have no base configured", __func__, sig); return; } #ifndef EVENT__HAVE_SIGACTION signal(sig, evsig_handler); #endif /* Wake up our notification mechanism */ msg = sig; #ifdef _WIN32 send(evsig_base_fd, (char*)&msg, 1, 0); #else { int r = write(evsig_base_fd, (char*)&msg, 1); (void)r; /* Suppress 'unused return value' and 'unused var' */ } #endif errno = save_errno; #ifdef _WIN32 EVUTIL_SET_SOCKET_ERROR(socket_errno); #endif } void evsig_dealloc_(struct event_base *base) { int i = 0; if (base->sig.ev_signal_added) { event_del(&base->sig.ev_signal); base->sig.ev_signal_added = 0; } /* debug event is created in evsig_init_/event_assign even when * ev_signal_added == 0, so unassign is required */ event_debug_unassign(&base->sig.ev_signal); for (i = 0; i < NSIG; ++i) { if (i < base->sig.sh_old_max && base->sig.sh_old[i] != NULL) evsig_restore_handler_(base, i); } EVSIGBASE_LOCK(); if (base == evsig_base) { evsig_base = NULL; evsig_base_n_signals_added = 0; evsig_base_fd = -1; } EVSIGBASE_UNLOCK(); if (base->sig.ev_signal_pair[0] != -1) { evutil_closesocket(base->sig.ev_signal_pair[0]); base->sig.ev_signal_pair[0] = -1; } if (base->sig.ev_signal_pair[1] != -1) { evutil_closesocket(base->sig.ev_signal_pair[1]); base->sig.ev_signal_pair[1] = -1; } base->sig.sh_old_max = 0; /* per index frees are handled in evsig_del() */ if (base->sig.sh_old) { mm_free(base->sig.sh_old); base->sig.sh_old = NULL; } } static void evsig_free_globals_locks(void) { #ifndef EVENT__DISABLE_THREAD_SUPPORT if (evsig_base_lock != NULL) { EVTHREAD_FREE_LOCK(evsig_base_lock, 0); evsig_base_lock = NULL; } #endif return; } void evsig_free_globals_(void) { evsig_free_globals_locks(); } #ifndef EVENT__DISABLE_THREAD_SUPPORT int evsig_global_setup_locks_(const int enable_locks) { EVTHREAD_SETUP_GLOBAL_LOCK(evsig_base_lock, 0); return 0; } #endif lldpd-1.0.18/libevent/Doxyfile0000644000076400001440000002431014111362570015454 0ustar00bernatusers# Doxyfile 1.5.1 # This file describes the settings to be used by the documentation system # doxygen (www.doxygen.org) for a project # # All text after a hash (#) is considered a comment and will be ignored # The format is: # TAG = value [value, ...] # For lists items can also be appended using: # TAG += value [value, ...] # Values that contain spaces should be placed between quotes (" ") #--------------------------------------------------------------------------- # Project related configuration options #--------------------------------------------------------------------------- # The PROJECT_NAME tag is a single word (or a sequence of words surrounded # by quotes) that should identify the project. PROJECT_NAME = $(PROJECT)-$(VERSION) # Place all output under 'doxygen/' OUTPUT_DIRECTORY = $(DOCDIR) # If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen # will interpret the first line (until the first dot) of a JavaDoc-style # comment as the brief description. If set to NO, the JavaDoc # comments will behave just like the Qt-style comments (thus requiring an # explicit @brief command for a brief description. JAVADOC_AUTOBRIEF = YES # Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C # sources only. Doxygen will then generate output that is more tailored for C. # For instance, some of the names that are used will be different. The list # of all members will be omitted, etc. OPTIMIZE_OUTPUT_FOR_C = YES # If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the # brief documentation of file, namespace and class members alphabetically # by member name. If set to NO (the default) the members will appear in # declaration order. SORT_BRIEF_DOCS = YES # If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag # can be used to strip a user-defined part of the path. Stripping is # only done if one of the specified strings matches the left-hand part of # the path. The tag can be used to show relative paths in the file list. # If left blank the directory from which doxygen is run is used as the # path to strip. STRIP_FROM_PATH = include/ #--------------------------------------------------------------------------- # configuration options related to the input files #--------------------------------------------------------------------------- # The INPUT tag can be used to specify the files and/or directories that contain # documented source files. You may enter file names like "myfile.cpp" or # directories like "/usr/src/myproject". Separate the files or directories # with spaces. INPUT = \ $(SRCDIR)/include/event2/buffer.h \ $(SRCDIR)/include/event2/buffer_compat.h \ $(SRCDIR)/include/event2/bufferevent.h \ $(SRCDIR)/include/event2/bufferevent_compat.h \ $(SRCDIR)/include/event2/bufferevent_ssl.h \ $(SRCDIR)/include/event2/dns.h \ $(SRCDIR)/include/event2/dns_compat.h \ $(SRCDIR)/include/event2/event.h \ $(SRCDIR)/include/event2/event_compat.h \ $(SRCDIR)/include/event2/http.h \ $(SRCDIR)/include/event2/http_compat.h \ $(SRCDIR)/include/event2/listener.h \ $(SRCDIR)/include/event2/rpc.h \ $(SRCDIR)/include/event2/rpc_compat.h \ $(SRCDIR)/include/event2/tag.h \ $(SRCDIR)/include/event2/tag_compat.h \ $(SRCDIR)/include/event2/thread.h \ $(SRCDIR)/include/event2/util.h #--------------------------------------------------------------------------- # configuration options related to the HTML output #--------------------------------------------------------------------------- # If the GENERATE_HTML tag is set to YES (the default) Doxygen will # generate HTML output. GENERATE_HTML = $(GENERATE_HTML) #--------------------------------------------------------------------------- # configuration options related to the LaTeX output #--------------------------------------------------------------------------- # If the GENERATE_LATEX tag is set to YES (the default) Doxygen will # generate Latex output. GENERATE_LATEX = $(GENERATE_LATEX) # The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `latex' will be used as the default path. LATEX_OUTPUT = latex # The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be # invoked. If left blank `latex' will be used as the default command name. LATEX_CMD_NAME = latex # The MAKEINDEX_CMD_NAME tag can be used to specify the command name to # generate index for LaTeX. If left blank `makeindex' will be used as the # default command name. 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LATEX_HIDE_INDICES = NO #--------------------------------------------------------------------------- # configuration options related to the man page output #--------------------------------------------------------------------------- # If the GENERATE_MAN tag is set to YES (the default) Doxygen will # generate man pages GENERATE_MAN = $(GENERATE_MAN) # The MAN_EXTENSION tag determines the extension that is added to # the generated man pages (default is the subroutine's section .3) MAN_EXTENSION = .3 # If the MAN_LINKS tag is set to YES and Doxygen generates man output, # then it will generate one additional man file for each entity # documented in the real man page(s). These additional files # only source the real man page, but without them the man command # would be unable to find the correct page. The default is NO. 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EXPAND_ONLY_PREDEF = NO # If the SEARCH_INCLUDES tag is set to YES (the default) the includes files # in the INCLUDE_PATH (see below) will be search if a #include is found. SEARCH_INCLUDES = YES # The INCLUDE_PATH tag can be used to specify one or more directories that # contain include files that are not input files but should be processed by # the preprocessor. INCLUDE_PATH = # You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard # patterns (like *.h and *.hpp) to filter out the header-files in the # directories. If left blank, the patterns specified with FILE_PATTERNS will # be used. INCLUDE_FILE_PATTERNS = # The PREDEFINED tag can be used to specify one or more macro names that # are defined before the preprocessor is started (similar to the -D option of # gcc). The argument of the tag is a list of macros of the form: name # or name=definition (no spaces). If the definition and the = are # omitted =1 is assumed. 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SKIP_FUNCTION_MACROS = YES lldpd-1.0.18/libevent/libevent_extra.pc.in0000644000076400001440000000043414111362570017713 0ustar00bernatusers#libevent pkg-config source file prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: libevent_extra Description: libevent_extra Version: @VERSION@ Requires: Conflicts: Libs: -L${libdir} -levent_extra Libs.private: @LIBS@ Cflags: -I${includedir} lldpd-1.0.18/libevent/m4/0000755000076400001440000000000014550773325014301 5ustar00bernatuserslldpd-1.0.18/libevent/m4/ltoptions.m40000644000076400001440000003427514550773303016605 0ustar00bernatusers# Helper functions for option handling. -*- Autoconf -*- # # Copyright (C) 2004-2005, 2007-2009, 2011-2019, 2021-2022 Free # Software Foundation, Inc. # Written by Gary V. Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 8 ltoptions.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) # _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) # ------------------------------------------ m4_define([_LT_MANGLE_OPTION], [[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) # _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) # --------------------------------------- # Set option OPTION-NAME for macro MACRO-NAME, and if there is a # matching handler defined, dispatch to it. Other OPTION-NAMEs are # saved as a flag. m4_define([_LT_SET_OPTION], [m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), _LT_MANGLE_DEFUN([$1], [$2]), [m4_warning([Unknown $1 option '$2'])])[]dnl ]) # _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) # ------------------------------------------------------------ # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. m4_define([_LT_IF_OPTION], [m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) # _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) # ------------------------------------------------------- # Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME # are set. m4_define([_LT_UNLESS_OPTIONS], [m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), [m4_define([$0_found])])])[]dnl m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 ])[]dnl ]) # _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) # ---------------------------------------- # OPTION-LIST is a space-separated list of Libtool options associated # with MACRO-NAME. 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For example, if neither dnl 'shared' nor 'disable-shared' was passed, we enable building of shared dnl archives by default: _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], [_LT_ENABLE_FAST_INSTALL]) _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4], [_LT_WITH_AIX_SONAME([aix])]) ]) ])# _LT_SET_OPTIONS ## --------------------------------- ## ## Macros to handle LT_INIT options. ## ## --------------------------------- ## # _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) # ----------------------------------------- m4_define([_LT_MANGLE_DEFUN], [[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) # LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) # ----------------------------------------------- m4_define([LT_OPTION_DEFINE], [m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl ])# LT_OPTION_DEFINE # dlopen # ------ LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes ]) AU_DEFUN([AC_LIBTOOL_DLOPEN], [_LT_SET_OPTION([LT_INIT], [dlopen]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'dlopen' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) # win32-dll # --------- # Declare package support for building win32 dll's. 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(The user can also force certain # compiler flags/libs to be tested by setting these environment # variables.) # # Also sets PTHREAD_CC to any special C compiler that is needed for # multi-threaded programs (defaults to the value of CC otherwise). # (This is necessary on AIX to use the special cc_r compiler alias.) # # NOTE: You are assumed to not only compile your program with these # flags, but also link it with them as well. e.g. you should link # with $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS # $LIBS # # If you are only building threads programs, you may wish to use # these variables in your default LIBS, CFLAGS, and CC: # # LIBS="$PTHREAD_LIBS $LIBS" # CFLAGS="$CFLAGS $PTHREAD_CFLAGS" # CC="$PTHREAD_CC" # # In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute # constant has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to # that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX). # # ACTION-IF-FOUND is a list of shell commands to run if a threads # library is found, and ACTION-IF-NOT-FOUND is a list of commands to # run it if it is not found. If ACTION-IF-FOUND is not specified, the # default action will define HAVE_PTHREAD. # # Please let the authors know if this macro fails on any platform, or # if you have any other suggestions or comments. This macro was based # on work by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) # (with help from M. Frigo), as well as ac_pthread and hb_pthread # macros posted by Alejandro Forero Cuervo to the autoconf macro # repository. We are also grateful for the helpful feedback of # numerous users. # # LAST MODIFICATION # # 2007-07-29 # # COPYLEFT # # Copyright (c) 2007 Steven G. Johnson # # This program is free software: you can redistribute it and/or # modify it under the terms of the GNU General Public License as # published by the Free Software Foundation, either version 3 of the # License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see # . # # As a special exception, the respective Autoconf Macro's copyright # owner gives unlimited permission to copy, distribute and modify the # configure scripts that are the output of Autoconf when processing # the Macro. You need not follow the terms of the GNU General Public # License when using or distributing such scripts, even though # portions of the text of the Macro appear in them. The GNU General # Public License (GPL) does govern all other use of the material that # constitutes the Autoconf Macro. # # This special exception to the GPL applies to versions of the # Autoconf Macro released by the Autoconf Macro Archive. When you # make and distribute a modified version of the Autoconf Macro, you # may extend this special exception to the GPL to apply to your # modified version as well. AC_DEFUN([ACX_PTHREAD], [ AC_REQUIRE([AC_CANONICAL_HOST]) AC_LANG_SAVE AC_LANG_C acx_pthread_ok=no # We used to check for pthread.h first, but this fails if pthread.h # requires special compiler flags (e.g. on True64 or Sequent). # It gets checked for in the link test anyway. # First of all, check if the user has set any of the PTHREAD_LIBS, # etcetera environment variables, and if threads linking works using # them: if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" save_LIBS="$LIBS" LIBS="$PTHREAD_LIBS $LIBS" AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS]) AC_TRY_LINK_FUNC(pthread_join, acx_pthread_ok=yes) AC_MSG_RESULT($acx_pthread_ok) if test x"$acx_pthread_ok" = xno; then PTHREAD_LIBS="" PTHREAD_CFLAGS="" fi LIBS="$save_LIBS" CFLAGS="$save_CFLAGS" fi # We must check for the threads library under a number of different # names; the ordering is very important because some systems # (e.g. DEC) have both -lpthread and -lpthreads, where one of the # libraries is broken (non-POSIX). # Create a list of thread flags to try. 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Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 6 ltsugar.m4 # This is to help aclocal find these macros, as it can't see m4_define. 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the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. m4_define([_LT_COPYING], [dnl # Copyright (C) 2014 Free Software Foundation, Inc. # This is free software; see the source for copying conditions. There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # GNU Libtool is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of of the License, or # (at your option) any later version. # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program or library that is built # using GNU Libtool, you may include this file under the same # distribution terms that you use for the rest of that program. # # GNU Libtool is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . ]) # serial 59 LT_INIT # LT_PREREQ(VERSION) # ------------------ # Complain and exit if this libtool version is less that VERSION. m4_defun([LT_PREREQ], [m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, [m4_default([$3], [m4_fatal([Libtool version $1 or higher is required], 63)])], [$2])]) # _LT_CHECK_BUILDDIR # ------------------ # Complain if the absolute build directory name contains unusual characters m4_defun([_LT_CHECK_BUILDDIR], [case `pwd` in *\ * | *\ *) AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; esac ]) # LT_INIT([OPTIONS]) # ------------------ AC_DEFUN([LT_INIT], [AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl AC_BEFORE([$0], [LT_LANG])dnl AC_BEFORE([$0], [LT_OUTPUT])dnl AC_BEFORE([$0], [LTDL_INIT])dnl m4_require([_LT_CHECK_BUILDDIR])dnl dnl Autoconf doesn't catch unexpanded LT_ macros by default: m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 dnl unless we require an AC_DEFUNed macro: AC_REQUIRE([LTOPTIONS_VERSION])dnl AC_REQUIRE([LTSUGAR_VERSION])dnl AC_REQUIRE([LTVERSION_VERSION])dnl AC_REQUIRE([LTOBSOLETE_VERSION])dnl m4_require([_LT_PROG_LTMAIN])dnl _LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) dnl Parse OPTIONS _LT_SET_OPTIONS([$0], [$1]) # This can be used to rebuild libtool when needed LIBTOOL_DEPS=$ltmain # Always use our own libtool. LIBTOOL='$(SHELL) $(top_builddir)/libtool' AC_SUBST(LIBTOOL)dnl _LT_SETUP # Only expand once: m4_define([LT_INIT]) ])# LT_INIT # Old names: AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT]) AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_PROG_LIBTOOL], []) dnl AC_DEFUN([AM_PROG_LIBTOOL], []) # _LT_PREPARE_CC_BASENAME # ----------------------- m4_defun([_LT_PREPARE_CC_BASENAME], [ # Calculate cc_basename. Skip known compiler wrappers and cross-prefix. func_cc_basename () { for cc_temp in @S|@*""; do case $cc_temp in compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;; distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;; \-*) ;; *) break;; esac done func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` } ])# _LT_PREPARE_CC_BASENAME # _LT_CC_BASENAME(CC) # ------------------- # It would be clearer to call AC_REQUIREs from _LT_PREPARE_CC_BASENAME, # but that macro is also expanded into generated libtool script, which # arranges for $SED and $ECHO to be set by different means. m4_defun([_LT_CC_BASENAME], [m4_require([_LT_PREPARE_CC_BASENAME])dnl AC_REQUIRE([_LT_DECL_SED])dnl AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl func_cc_basename $1 cc_basename=$func_cc_basename_result ]) # _LT_FILEUTILS_DEFAULTS # ---------------------- # It is okay to use these file commands and assume they have been set # sensibly after 'm4_require([_LT_FILEUTILS_DEFAULTS])'. m4_defun([_LT_FILEUTILS_DEFAULTS], [: ${CP="cp -f"} : ${MV="mv -f"} : ${RM="rm -f"} ])# _LT_FILEUTILS_DEFAULTS # _LT_SETUP # --------- m4_defun([_LT_SETUP], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_BUILD])dnl AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl _LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl dnl _LT_DECL([], [host_alias], [0], [The host system])dnl _LT_DECL([], [host], [0])dnl _LT_DECL([], [host_os], [0])dnl dnl _LT_DECL([], [build_alias], [0], [The build system])dnl _LT_DECL([], [build], [0])dnl _LT_DECL([], [build_os], [0])dnl dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([LT_PATH_LD])dnl AC_REQUIRE([LT_PATH_NM])dnl dnl AC_REQUIRE([AC_PROG_LN_S])dnl test -z "$LN_S" && LN_S="ln -s" _LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl dnl AC_REQUIRE([LT_CMD_MAX_LEN])dnl _LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl _LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_CHECK_SHELL_FEATURES])dnl m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl m4_require([_LT_CMD_RELOAD])dnl m4_require([_LT_DECL_FILECMD])dnl m4_require([_LT_CHECK_MAGIC_METHOD])dnl m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl m4_require([_LT_CMD_OLD_ARCHIVE])dnl m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl m4_require([_LT_WITH_SYSROOT])dnl m4_require([_LT_CMD_TRUNCATE])dnl _LT_CONFIG_LIBTOOL_INIT([ # See if we are running on zsh, and set the options that allow our # commands through without removal of \ escapes INIT. if test -n "\${ZSH_VERSION+set}"; then setopt NO_GLOB_SUBST fi ]) if test -n "${ZSH_VERSION+set}"; then setopt NO_GLOB_SUBST fi _LT_CHECK_OBJDIR m4_require([_LT_TAG_COMPILER])dnl case $host_os in aix3*) # AIX sometimes has problems with the GCC collect2 program. For some # reason, if we set the COLLECT_NAMES environment variable, the problems # vanish in a puff of smoke. if test set != "${COLLECT_NAMES+set}"; then COLLECT_NAMES= export COLLECT_NAMES fi ;; esac # Global variables: ofile=libtool can_build_shared=yes # All known linkers require a '.a' archive for static linking (except MSVC and # ICC, which need '.lib'). libext=a with_gnu_ld=$lt_cv_prog_gnu_ld old_CC=$CC old_CFLAGS=$CFLAGS # Set sane defaults for various variables test -z "$CC" && CC=cc test -z "$LTCC" && LTCC=$CC test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS test -z "$LD" && LD=ld test -z "$ac_objext" && ac_objext=o _LT_CC_BASENAME([$compiler]) # Only perform the check for file, if the check method requires it test -z "$MAGIC_CMD" && MAGIC_CMD=file case $deplibs_check_method in file_magic*) if test "$file_magic_cmd" = '$MAGIC_CMD'; then _LT_PATH_MAGIC fi ;; esac # Use C for the default configuration in the libtool script LT_SUPPORTED_TAG([CC]) _LT_LANG_C_CONFIG _LT_LANG_DEFAULT_CONFIG _LT_CONFIG_COMMANDS ])# _LT_SETUP # _LT_PREPARE_SED_QUOTE_VARS # -------------------------- # Define a few sed substitution that help us do robust quoting. m4_defun([_LT_PREPARE_SED_QUOTE_VARS], [# Backslashify metacharacters that are still active within # double-quoted strings. sed_quote_subst='s/\([["`$\\]]\)/\\\1/g' # Same as above, but do not quote variable references. double_quote_subst='s/\([["`\\]]\)/\\\1/g' # Sed substitution to delay expansion of an escaped shell variable in a # double_quote_subst'ed string. delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' # Sed substitution to delay expansion of an escaped single quote. delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' # Sed substitution to avoid accidental globbing in evaled expressions no_glob_subst='s/\*/\\\*/g' ]) # _LT_PROG_LTMAIN # --------------- # Note that this code is called both from 'configure', and 'config.status' # now that we use AC_CONFIG_COMMANDS to generate libtool. 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VARNAME # must have a single quote delimited value for this to work. m4_define([_LT_CONFIG_STATUS_DECLARE], [$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`']) # _LT_CONFIG_STATUS_DECLARATIONS # ------------------------------ # We delimit libtool config variables with single quotes, so when # we write them to config.status, we have to be sure to quote all # embedded single quotes properly. In configure, this macro expands # each variable declared with _LT_DECL (and _LT_TAGDECL) into: # # ='`$ECHO "$" | $SED "$delay_single_quote_subst"`' m4_defun([_LT_CONFIG_STATUS_DECLARATIONS], [m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames), [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])]) # _LT_LIBTOOL_TAGS # ---------------- # Output comment and list of tags supported by the script m4_defun([_LT_LIBTOOL_TAGS], [_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl available_tags='_LT_TAGS'dnl ]) # _LT_LIBTOOL_DECLARE(VARNAME, [TAG]) # ----------------------------------- # Extract the dictionary values for VARNAME (optionally with TAG) and # expand to a commented shell variable setting: # # # Some comment about what VAR is for. # visible_name=$lt_internal_name m4_define([_LT_LIBTOOL_DECLARE], [_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [description])))[]dnl m4_pushdef([_libtool_name], m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])), [0], [_libtool_name=[$]$1], [1], [_libtool_name=$lt_[]$1], [2], [_libtool_name=$lt_[]$1], [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl ]) # _LT_LIBTOOL_CONFIG_VARS # ----------------------- # Produce commented declarations of non-tagged libtool config variables # suitable for insertion in the LIBTOOL CONFIG section of the 'libtool' # script. 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Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; bitrig* | darwin* | dragonfly* | freebsd* | midnightbsd* | netbsd* | openbsd*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[[ ]]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len" && \ test undefined != "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test X`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test 17 != "$i" # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac ]) if test -n "$lt_cv_sys_max_cmd_len"; then AC_MSG_RESULT($lt_cv_sys_max_cmd_len) else AC_MSG_RESULT(none) fi max_cmd_len=$lt_cv_sys_max_cmd_len _LT_DECL([], [max_cmd_len], [0], [What is the maximum length of a command?]) ])# LT_CMD_MAX_LEN # Old name: AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) # _LT_HEADER_DLFCN # ---------------- m4_defun([_LT_HEADER_DLFCN], [AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl ])# _LT_HEADER_DLFCN # _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, # ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) # ---------------------------------------------------------------- m4_defun([_LT_TRY_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes = "$cross_compiling"; then : [$4] else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF [#line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; }] _LT_EOF if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_dlunknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_TRY_DLOPEN_SELF # LT_SYS_DLOPEN_SELF # ------------------ AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes != "$enable_dlopen"; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen=load_add_on lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen=LoadLibrary lt_cv_dlopen_libs= ;; cygwin*) lt_cv_dlopen=dlopen lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[ lt_cv_dlopen=dyld lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ]) ;; tpf*) # Don't try to run any link tests for TPF. We know it's impossible # because TPF is a cross-compiler, and we know how we open DSOs. lt_cv_dlopen=dlopen lt_cv_dlopen_libs= lt_cv_dlopen_self=no ;; *) AC_CHECK_FUNC([shl_load], [lt_cv_dlopen=shl_load], [AC_CHECK_LIB([dld], [shl_load], [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld], [AC_CHECK_FUNC([dlopen], [lt_cv_dlopen=dlopen], [AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl], [AC_CHECK_LIB([svld], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld], [AC_CHECK_LIB([dld], [dld_link], [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld]) ]) ]) ]) ]) ]) ;; esac if test no = "$lt_cv_dlopen"; then enable_dlopen=no else enable_dlopen=yes fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS=$CPPFLAGS test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS=$LDFLAGS wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS=$LIBS LIBS="$lt_cv_dlopen_libs $LIBS" AC_CACHE_CHECK([whether a program can dlopen itself], lt_cv_dlopen_self, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) ]) if test yes = "$lt_cv_dlopen_self"; then wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" AC_CACHE_CHECK([whether a statically linked program can dlopen itself], lt_cv_dlopen_self_static, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) ]) fi CPPFLAGS=$save_CPPFLAGS LDFLAGS=$save_LDFLAGS LIBS=$save_LIBS ;; esac case $lt_cv_dlopen_self in yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; *) enable_dlopen_self=unknown ;; esac case $lt_cv_dlopen_self_static in yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; *) enable_dlopen_self_static=unknown ;; esac fi _LT_DECL([dlopen_support], [enable_dlopen], [0], [Whether dlopen is supported]) _LT_DECL([dlopen_self], [enable_dlopen_self], [0], [Whether dlopen of programs is supported]) _LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0], [Whether dlopen of statically linked programs is supported]) ])# LT_SYS_DLOPEN_SELF # Old name: AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], []) # _LT_COMPILER_C_O([TAGNAME]) # --------------------------- # Check to see if options -c and -o are simultaneously supported by compiler. # This macro does not hard code the compiler like AC_PROG_CC_C_O. m4_defun([_LT_COMPILER_C_O], [m4_require([_LT_DECL_SED])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_TAG_COMPILER])dnl AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext], [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no $RM -r conftest 2>/dev/null mkdir conftest cd conftest mkdir out echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-o out/conftest2.$ac_objext" # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&AS_MESSAGE_LOG_FD echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes fi fi chmod u+w . 2>&AS_MESSAGE_LOG_FD $RM conftest* # SGI C++ compiler will create directory out/ii_files/ for # template instantiation test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files $RM out/* && rmdir out cd .. $RM -r conftest $RM conftest* ]) _LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1], [Does compiler simultaneously support -c and -o options?]) ])# _LT_COMPILER_C_O # _LT_COMPILER_FILE_LOCKS([TAGNAME]) # ---------------------------------- # Check to see if we can do hard links to lock some files if needed m4_defun([_LT_COMPILER_FILE_LOCKS], [m4_require([_LT_ENABLE_LOCK])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl _LT_COMPILER_C_O([$1]) hard_links=nottested if test no = "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" && test no != "$need_locks"; then # do not overwrite the value of need_locks provided by the user AC_MSG_CHECKING([if we can lock with hard links]) hard_links=yes $RM conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no AC_MSG_RESULT([$hard_links]) if test no = "$hard_links"; then AC_MSG_WARN(['$CC' does not support '-c -o', so 'make -j' may be unsafe]) need_locks=warn fi else need_locks=no fi _LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?]) ])# _LT_COMPILER_FILE_LOCKS # _LT_CHECK_OBJDIR # ---------------- m4_defun([_LT_CHECK_OBJDIR], [AC_CACHE_CHECK([for objdir], [lt_cv_objdir], [rm -f .libs 2>/dev/null mkdir .libs 2>/dev/null if test -d .libs; then lt_cv_objdir=.libs else # MS-DOS does not allow filenames that begin with a dot. lt_cv_objdir=_libs fi rmdir .libs 2>/dev/null]) objdir=$lt_cv_objdir _LT_DECL([], [objdir], [0], [The name of the directory that contains temporary libtool files])dnl m4_pattern_allow([LT_OBJDIR])dnl AC_DEFINE_UNQUOTED([LT_OBJDIR], "$lt_cv_objdir/", [Define to the sub-directory where libtool stores uninstalled libraries.]) ])# _LT_CHECK_OBJDIR # _LT_LINKER_HARDCODE_LIBPATH([TAGNAME]) # -------------------------------------- # Check hardcoding attributes. m4_defun([_LT_LINKER_HARDCODE_LIBPATH], [AC_MSG_CHECKING([how to hardcode library paths into programs]) _LT_TAGVAR(hardcode_action, $1)= if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" || test -n "$_LT_TAGVAR(runpath_var, $1)" || test yes = "$_LT_TAGVAR(hardcode_automatic, $1)"; then # We can hardcode non-existent directories. if test no != "$_LT_TAGVAR(hardcode_direct, $1)" && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" && test no != "$_LT_TAGVAR(hardcode_minus_L, $1)"; then # Linking always hardcodes the temporary library directory. _LT_TAGVAR(hardcode_action, $1)=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. _LT_TAGVAR(hardcode_action, $1)=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. _LT_TAGVAR(hardcode_action, $1)=unsupported fi AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)]) if test relink = "$_LT_TAGVAR(hardcode_action, $1)" || test yes = "$_LT_TAGVAR(inherit_rpath, $1)"; then # Fast installation is not supported enable_fast_install=no elif test yes = "$shlibpath_overrides_runpath" || test no = "$enable_shared"; then # Fast installation is not necessary enable_fast_install=needless fi _LT_TAGDECL([], [hardcode_action], [0], [How to hardcode a shared library path into an executable]) ])# _LT_LINKER_HARDCODE_LIBPATH # _LT_CMD_STRIPLIB # ---------------- m4_defun([_LT_CMD_STRIPLIB], [m4_require([_LT_DECL_EGREP]) striplib= old_striplib= AC_MSG_CHECKING([whether stripping libraries is possible]) if test -z "$STRIP"; then AC_MSG_RESULT([no]) else if $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then old_striplib="$STRIP --strip-debug" striplib="$STRIP --strip-unneeded" AC_MSG_RESULT([yes]) else case $host_os in darwin*) # FIXME - insert some real tests, host_os isn't really good enough striplib="$STRIP -x" old_striplib="$STRIP -S" AC_MSG_RESULT([yes]) ;; freebsd*) if $STRIP -V 2>&1 | $GREP "elftoolchain" >/dev/null; then old_striplib="$STRIP --strip-debug" striplib="$STRIP --strip-unneeded" AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi ;; *) AC_MSG_RESULT([no]) ;; esac fi fi _LT_DECL([], [old_striplib], [1], [Commands to strip libraries]) _LT_DECL([], [striplib], [1]) ])# _LT_CMD_STRIPLIB # _LT_PREPARE_MUNGE_PATH_LIST # --------------------------- # Make sure func_munge_path_list() is defined correctly. m4_defun([_LT_PREPARE_MUNGE_PATH_LIST], [[# func_munge_path_list VARIABLE PATH # ----------------------------------- # VARIABLE is name of variable containing _space_ separated list of # directories to be munged by the contents of PATH, which is string # having a format: # "DIR[:DIR]:" # string "DIR[ DIR]" will be prepended to VARIABLE # ":DIR[:DIR]" # string "DIR[ DIR]" will be appended to VARIABLE # "DIRP[:DIRP]::[DIRA:]DIRA" # string "DIRP[ DIRP]" will be prepended to VARIABLE and string # "DIRA[ DIRA]" will be appended to VARIABLE # "DIR[:DIR]" # VARIABLE will be replaced by "DIR[ DIR]" func_munge_path_list () { case x@S|@2 in x) ;; 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esac ;; haiku*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no dynamic_linker="$host_os runtime_loader" library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LIBRARY_PATH shlibpath_overrides_runpath=no sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' hardcode_into_libs=yes ;; hpux9* | hpux10* | hpux11*) # Give a soname corresponding to the major version so that dld.sl refuses to # link against other versions. version_type=sunos need_lib_prefix=no need_version=no case $host_cpu in ia64*) shrext_cmds='.so' hardcode_into_libs=yes dynamic_linker="$host_os dld.so" shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' if test 32 = "$HPUX_IA64_MODE"; then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" sys_lib_dlsearch_path_spec=/usr/lib/hpux32 else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" sys_lib_dlsearch_path_spec=/usr/lib/hpux64 fi ;; hppa*64*) shrext_cmds='.sl' hardcode_into_libs=yes dynamic_linker="$host_os dld.sl" shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; *) shrext_cmds='.sl' dynamic_linker="$host_os dld.sl" shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' ;; esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[[3-9]]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test yes = "$lt_cv_prog_gnu_ld"; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; 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*) lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[[3-9]]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=$FILECMD lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; 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sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; os2*) lt_cv_deplibs_check_method=pass_all ;; esac ]) file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown _LT_DECL([], [deplibs_check_method], [1], [Method to check whether dependent libraries are shared objects]) _LT_DECL([], [file_magic_cmd], [1], [Command to use when deplibs_check_method = "file_magic"]) _LT_DECL([], [file_magic_glob], [1], [How to find potential files when deplibs_check_method = "file_magic"]) _LT_DECL([], [want_nocaseglob], [1], [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) ])# _LT_CHECK_MAGIC_METHOD # LT_PATH_NM # ---------- # find the pathname to a BSD- or MS-compatible name lister AC_DEFUN([LT_PATH_NM], [AC_REQUIRE([AC_PROG_CC])dnl AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, [if test -n "$NM"; 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*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd=$ECHO ;; esac ]) sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO _LT_DECL([], [sharedlib_from_linklib_cmd], [1], [Command to associate shared and link libraries]) ])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB # _LT_PATH_MANIFEST_TOOL # ---------------------- # locate the manifest tool m4_defun([_LT_PATH_MANIFEST_TOOL], [AC_CHECK_TOOL(MANIFEST_TOOL, mt, :) test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool], [lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&AS_MESSAGE_LOG_FD if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest*]) if test yes != "$lt_cv_path_mainfest_tool"; 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What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test ia64 = "$host_cpu"; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Gets list of data symbols to import. lt_cv_sys_global_symbol_to_import="$SED -n -e 's/^I .* \(.*\)$/\1/p'" # Adjust the below global symbol transforms to fixup imported variables. lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" lt_c_name_lib_hook="\ -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" else # Disable hooks by default. lt_cv_sys_global_symbol_to_import= lt_cdecl_hook= lt_c_name_hook= lt_c_name_lib_hook= fi # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="$SED -n"\ $lt_cdecl_hook\ " -e 's/^T .* \(.*\)$/extern int \1();/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="$SED -n"\ $lt_c_name_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" # Transform an extracted symbol line into symbol name with lib prefix and # symbol address. lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="$SED -n"\ $lt_c_name_lib_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function, # D for any global variable and I for any imported variable. # Also find C++ and __fastcall symbols from MSVC++ or ICC, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ " /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ " /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ " {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ " s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="$SED -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | $SED '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm $ECHO "$as_me:$LINENO: $NM conftest.$ac_objext | $lt_cv_sys_global_symbol_pipe > $nlist" >&AS_MESSAGE_LOG_FD if eval "$NM" conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist 2>&AS_MESSAGE_LOG_FD && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS=conftstm.$ac_objext CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test yes = "$pipe_works"; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1], [Transform the output of nm into a list of symbols to manually relocate]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([nm_interface], [lt_cv_nm_interface], [1], [The name lister interface]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test yes = "$GXX"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly* | midnightbsd*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' if test ia64 != "$host_cpu"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64, which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd* | netbsdelf*-gnu) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test yes = "$GCC"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' case $cc_basename in nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64, which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # flang / f18. f95 an alias for gfortran or flang on Debian flang* | f18* | f95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; tcc*) # Fabrice Bellard et al's Tiny C Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; *Intel*\ [[CF]]*Compiler*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; *Portland\ Group*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; esac ;; newsos6) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All OSF/1 code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; rdos*) _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; solaris*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' case $cc_basename in f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; *) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; esac ;; sunos4*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms that do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; esac AC_CACHE_CHECK([for $compiler option to produce PIC], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) _LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) # # Check to make sure the PIC flag actually works. # if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in "" | " "*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; esac], [_LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no]) fi _LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1], [Additional compiler flags for building library objects]) _LT_TAGDECL([wl], [lt_prog_compiler_wl], [1], [How to pass a linker flag through the compiler]) # # Check to make sure the static flag actually works. # wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\" _LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1), $lt_tmp_static_flag, [], [_LT_TAGVAR(lt_prog_compiler_static, $1)=]) _LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1], [Compiler flag to prevent dynamic linking]) ])# _LT_COMPILER_PIC # _LT_LINKER_SHLIBS([TAGNAME]) # ---------------------------- # See if the linker supports building shared libraries. m4_defun([_LT_LINKER_SHLIBS], [AC_REQUIRE([LT_PATH_LD])dnl AC_REQUIRE([LT_PATH_NM])dnl m4_require([_LT_PATH_MANIFEST_TOOL])dnl m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl m4_require([_LT_TAG_COMPILER])dnl AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) m4_if([$1], [CXX], [ _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] case $host_os in aix[[4-9]]*) # If we're using GNU nm, then we don't want the "-C" option. # -C means demangle to GNU nm, but means don't demangle to AIX nm. # Without the "-l" option, or with the "-B" option, AIX nm treats # weak defined symbols like other global defined symbols, whereas # GNU nm marks them as "W". # While the 'weak' keyword is ignored in the Export File, we need # it in the Import File for the 'aix-soname' feature, so we have # to replace the "-B" option with "-P" for AIX nm. if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; 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esac ;; linux* | k*bsd*-gnu | gnu*) _LT_TAGVAR(link_all_deplibs, $1)=no ;; *) _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' ;; esac ], [ runpath_var= _LT_TAGVAR(allow_undefined_flag, $1)= _LT_TAGVAR(always_export_symbols, $1)=no _LT_TAGVAR(archive_cmds, $1)= _LT_TAGVAR(archive_expsym_cmds, $1)= _LT_TAGVAR(compiler_needs_object, $1)=no _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no _LT_TAGVAR(export_dynamic_flag_spec, $1)= _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' _LT_TAGVAR(hardcode_automatic, $1)=no _LT_TAGVAR(hardcode_direct, $1)=no _LT_TAGVAR(hardcode_direct_absolute, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= _LT_TAGVAR(hardcode_libdir_separator, $1)= _LT_TAGVAR(hardcode_minus_L, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported _LT_TAGVAR(inherit_rpath, $1)=no _LT_TAGVAR(link_all_deplibs, $1)=unknown _LT_TAGVAR(module_cmds, $1)= _LT_TAGVAR(module_expsym_cmds, $1)= _LT_TAGVAR(old_archive_from_new_cmds, $1)= _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)= _LT_TAGVAR(thread_safe_flag_spec, $1)= _LT_TAGVAR(whole_archive_flag_spec, $1)= # include_expsyms should be a list of space-separated symbols to be *always* # included in the symbol list _LT_TAGVAR(include_expsyms, $1)= # exclude_expsyms can be an extended regexp of symbols to exclude # it will be wrapped by ' (' and ')$', so one must not match beginning or # end of line. 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then _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_direct_absolute, $1)=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' else _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' fi else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; os2*) _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(allow_undefined_flag, $1)=unsupported shrext_cmds=.dll _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ prefix_cmds="$SED"~ if test EXPORTS = "`$SED 1q $export_symbols`"; then prefix_cmds="$prefix_cmds -e 1d"; fi~ prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes _LT_TAGVAR(file_list_spec, $1)='@' ;; osf3*) if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; solaris*) _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' if test yes = "$GCC"; then wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no case $host_os in solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands '-z linker_flag'. GCC discards it without '$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test yes = "$GCC"; then _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' else _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' fi ;; esac _LT_TAGVAR(link_all_deplibs, $1)=yes ;; sunos4*) if test sequent = "$host_vendor"; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4) case $host_vendor in sni) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' _LT_TAGVAR(hardcode_direct, $1)=no ;; motorola) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4.3*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes _LT_TAGVAR(ld_shlibs, $1)=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We CANNOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. If we're not using GNU ld we use -z text # though, which does catch some bad symbols but isn't as heavy-handed # as -z defs. _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs' _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=':' _LT_TAGVAR(link_all_deplibs, $1)=yes _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport' runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; uts4*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; *) _LT_TAGVAR(ld_shlibs, $1)=no ;; esac if test sni = "$host_vendor"; then case $host in sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Blargedynsym' ;; esac fi fi ]) AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no _LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld _LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl _LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl _LT_DECL([], [extract_expsyms_cmds], [2], [The commands to extract the exported symbol list from a shared archive]) # # Do we need to explicitly link libc? # case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in x|xyes) # Assume -lc should be added _LT_TAGVAR(archive_cmds_need_lc, $1)=yes if test yes,yes = "$GCC,$enable_shared"; then case $_LT_TAGVAR(archive_cmds, $1) in *'~'*) # FIXME: we may have to deal with multi-command sequences. ;; '$CC '*) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. 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Supported features are 'DOXYGEN' itself, 'DOT' for # generating graphics, 'HTML' for plain HTML, 'CHM' for compressed HTML # help (for MS users), 'CHI' for generating a separate .chi file by the # .chm file, and 'MAN', 'RTF', 'XML', 'PDF' and 'PS' for the appropriate # output formats. The environment variable DOXYGEN_PAPER_SIZE may be # specified to override the default 'a4wide' paper size. # # By default, HTML, PDF and PS documentation is generated as this seems to # be the most popular and portable combination. MAN pages created by # Doxygen are usually problematic, though by picking an appropriate subset # and doing some massaging they might be better than nothing. CHM and RTF # are specific for MS (note that you can't generate both HTML and CHM at # the same time). The XML is rather useless unless you apply specialized # post-processing to it. # # The macros mainly control the default state of the feature. The use can # override the default by specifying --enable or --disable. The macros # ensure that contradictory flags are not given (e.g., # --enable-doxygen-html and --enable-doxygen-chm, # --enable-doxygen-anything with --disable-doxygen, etc.) Finally, each # feature will be automatically disabled (with a warning) if the required # programs are missing. # # Once all the feature defaults have been specified, call DX_INIT_DOXYGEN # with the following parameters: a one-word name for the project for use # as a filename base etc., an optional configuration file name (the # default is '$(srcdir)/Doxyfile', the same as Doxygen's default), and an # optional output directory name (the default is 'doxygen-doc'). To run # doxygen multiple times for different configuration files and output # directories provide more parameters: the second, forth, sixth, etc # parameter are configuration file names and the third, fifth, seventh, # etc parameter are output directories. No checking is done to catch # duplicates. # # Automake Support # # The DX_RULES substitution can be used to add all needed rules to the # Makefile. Note that this is a substitution without being a variable: # only the @DX_RULES@ syntax will work. # # The provided targets are: # # doxygen-doc: Generate all doxygen documentation. # # doxygen-run: Run doxygen, which will generate some of the # documentation (HTML, CHM, CHI, MAN, RTF, XML) # but will not do the post processing required # for the rest of it (PS, PDF). # # doxygen-ps: Generate doxygen PostScript documentation. # # doxygen-pdf: Generate doxygen PDF documentation. # # Note that by default these are not integrated into the automake targets. # If doxygen is used to generate man pages, you can achieve this # integration by setting man3_MANS to the list of man pages generated and # then adding the dependency: # # $(man3_MANS): doxygen-doc # # This will cause make to run doxygen and generate all the documentation. # # The following variable is intended for use in Makefile.am: # # DX_CLEANFILES = everything to clean. # # Then add this variable to MOSTLYCLEANFILES. # # LICENSE # # Copyright (c) 2009 Oren Ben-Kiki # Copyright (c) 2015 Olaf Mandel # # Copying and distribution of this file, with or without modification, are # permitted in any medium without royalty provided the copyright notice # and this notice are preserved. This file is offered as-is, without any # warranty. #serial 24 ## ----------## ## Defaults. ## ## ----------## DX_ENV="" AC_DEFUN([DX_FEATURE_doc], OFF) AC_DEFUN([DX_FEATURE_dot], OFF) AC_DEFUN([DX_FEATURE_man], OFF) AC_DEFUN([DX_FEATURE_html], ON) AC_DEFUN([DX_FEATURE_chm], OFF) AC_DEFUN([DX_FEATURE_chi], OFF) AC_DEFUN([DX_FEATURE_rtf], OFF) AC_DEFUN([DX_FEATURE_xml], OFF) AC_DEFUN([DX_FEATURE_pdf], ON) AC_DEFUN([DX_FEATURE_ps], ON) ## --------------- ## ## Private macros. ## ## --------------- ## # DX_ENV_APPEND(VARIABLE, VALUE) # ------------------------------ # Append VARIABLE="VALUE" to DX_ENV for invoking doxygen and add it # as a substitution (but not a Makefile variable). The substitution # is skipped if the variable name is VERSION. AC_DEFUN([DX_ENV_APPEND], [AC_SUBST([DX_ENV], ["$DX_ENV $1='$2'"])dnl m4_if([$1], [VERSION], [], [AC_SUBST([$1], [$2])dnl AM_SUBST_NOTMAKE([$1])])dnl ]) # DX_DIRNAME_EXPR # --------------- # Expand into a shell expression prints the directory part of a path. AC_DEFUN([DX_DIRNAME_EXPR], [[expr ".$1" : '\(\.\)[^/]*$' \| "x$1" : 'x\(.*\)/[^/]*$']]) # DX_IF_FEATURE(FEATURE, IF-ON, IF-OFF) # ------------------------------------- # Expands according to the M4 (static) status of the feature. AC_DEFUN([DX_IF_FEATURE], [ifelse(DX_FEATURE_$1, ON, [$2], [$3])]) # DX_REQUIRE_PROG(VARIABLE, PROGRAM) # ---------------------------------- # Require the specified program to be found for the DX_CURRENT_FEATURE to work. AC_DEFUN([DX_REQUIRE_PROG], [ AC_PATH_TOOL([$1], [$2]) if test "$DX_FLAG_[]DX_CURRENT_FEATURE$$1" = 1; then if test "x$2" = "xdoxygen"; then AC_MSG_ERROR([$2 not found - will not DX_CURRENT_DESCRIPTION]) else AC_MSG_WARN([$2 not found - will not DX_CURRENT_DESCRIPTION]) fi AC_SUBST(DX_FLAG_[]DX_CURRENT_FEATURE, 0) fi ]) # DX_TEST_FEATURE(FEATURE) # ------------------------ # Expand to a shell expression testing whether the feature is active. AC_DEFUN([DX_TEST_FEATURE], [test "$DX_FLAG_$1" = 1]) # DX_CHECK_DEPEND(REQUIRED_FEATURE, REQUIRED_STATE) # ------------------------------------------------- # Verify that a required features has the right state before trying to turn on # the DX_CURRENT_FEATURE. AC_DEFUN([DX_CHECK_DEPEND], [ test "$DX_FLAG_$1" = "$2" \ || AC_MSG_ERROR([doxygen-DX_CURRENT_FEATURE ifelse([$2], 1, requires, contradicts) doxygen-$1]) ]) # DX_CLEAR_DEPEND(FEATURE, REQUIRED_FEATURE, REQUIRED_STATE) # ---------------------------------------------------------- # Turn off the DX_CURRENT_FEATURE if the required feature is off. AC_DEFUN([DX_CLEAR_DEPEND], [ test "$DX_FLAG_$1" = "$2" || AC_SUBST(DX_FLAG_[]DX_CURRENT_FEATURE, 0) ]) # DX_FEATURE_ARG(FEATURE, DESCRIPTION, # CHECK_DEPEND, CLEAR_DEPEND, # REQUIRE, DO-IF-ON, DO-IF-OFF) # -------------------------------------------- # Parse the command-line option controlling a feature. CHECK_DEPEND is called # if the user explicitly turns the feature on (and invokes DX_CHECK_DEPEND), # otherwise CLEAR_DEPEND is called to turn off the default state if a required # feature is disabled (using DX_CLEAR_DEPEND). REQUIRE performs additional # requirement tests (DX_REQUIRE_PROG). Finally, an automake flag is set and # DO-IF-ON or DO-IF-OFF are called according to the final state of the feature. AC_DEFUN([DX_ARG_ABLE], [ AC_DEFUN([DX_CURRENT_FEATURE], [$1]) AC_DEFUN([DX_CURRENT_DESCRIPTION], [$2]) AC_ARG_ENABLE(doxygen-$1, [AS_HELP_STRING(DX_IF_FEATURE([$1], [--disable-doxygen-$1], [--enable-doxygen-$1]), DX_IF_FEATURE([$1], [don't $2], [$2]))], [ case "$enableval" in #( y|Y|yes|Yes|YES) AC_SUBST([DX_FLAG_$1], 1) $3 ;; #( n|N|no|No|NO) AC_SUBST([DX_FLAG_$1], 0) ;; #( *) AC_MSG_ERROR([invalid value '$enableval' given to doxygen-$1]) ;; esac ], [ AC_SUBST([DX_FLAG_$1], [DX_IF_FEATURE([$1], 1, 0)]) $4 ]) if DX_TEST_FEATURE([$1]); then $5 : fi if DX_TEST_FEATURE([$1]); then $6 : else $7 : fi ]) ## -------------- ## ## Public macros. ## ## -------------- ## # DX_XXX_FEATURE(DEFAULT_STATE) # ----------------------------- AC_DEFUN([DX_DOXYGEN_FEATURE], [AC_DEFUN([DX_FEATURE_doc], [$1])]) AC_DEFUN([DX_DOT_FEATURE], [AC_DEFUN([DX_FEATURE_dot], [$1])]) AC_DEFUN([DX_MAN_FEATURE], [AC_DEFUN([DX_FEATURE_man], [$1])]) AC_DEFUN([DX_HTML_FEATURE], [AC_DEFUN([DX_FEATURE_html], [$1])]) AC_DEFUN([DX_CHM_FEATURE], [AC_DEFUN([DX_FEATURE_chm], [$1])]) AC_DEFUN([DX_CHI_FEATURE], [AC_DEFUN([DX_FEATURE_chi], [$1])]) AC_DEFUN([DX_RTF_FEATURE], [AC_DEFUN([DX_FEATURE_rtf], [$1])]) AC_DEFUN([DX_XML_FEATURE], [AC_DEFUN([DX_FEATURE_xml], [$1])]) AC_DEFUN([DX_XML_FEATURE], [AC_DEFUN([DX_FEATURE_xml], [$1])]) AC_DEFUN([DX_PDF_FEATURE], [AC_DEFUN([DX_FEATURE_pdf], [$1])]) AC_DEFUN([DX_PS_FEATURE], [AC_DEFUN([DX_FEATURE_ps], [$1])]) # DX_INIT_DOXYGEN(PROJECT, [CONFIG-FILE], [OUTPUT-DOC-DIR], ...) # -------------------------------------------------------------- # PROJECT also serves as the base name for the documentation files. # The default CONFIG-FILE is "$(srcdir)/Doxyfile" and OUTPUT-DOC-DIR is # "doxygen-doc". # More arguments are interpreted as interleaved CONFIG-FILE and # OUTPUT-DOC-DIR values. AC_DEFUN([DX_INIT_DOXYGEN], [ # Files: AC_SUBST([DX_PROJECT], [$1]) AC_SUBST([DX_CONFIG], ['ifelse([$2], [], [$(srcdir)/Doxyfile], [$2])']) AC_SUBST([DX_DOCDIR], ['ifelse([$3], [], [doxygen-doc], [$3])']) m4_if(m4_eval(3 < m4_count($@)), 1, [m4_for([DX_i], 4, m4_count($@), 2, [AC_SUBST([DX_CONFIG]m4_eval(DX_i[/2]), 'm4_default_nblank_quoted(m4_argn(DX_i, $@), [$(srcdir)/Doxyfile])')])])dnl m4_if(m4_eval(3 < m4_count($@)), 1, [m4_for([DX_i], 5, m4_count($@,), 2, [AC_SUBST([DX_DOCDIR]m4_eval([(]DX_i[-1)/2]), 'm4_default_nblank_quoted(m4_argn(DX_i, $@), [doxygen-doc])')])])dnl m4_define([DX_loop], m4_dquote(m4_if(m4_eval(3 < m4_count($@)), 1, [m4_for([DX_i], 4, m4_count($@), 2, [, m4_eval(DX_i[/2])])], [])))dnl # Environment variables used inside doxygen.cfg: DX_ENV_APPEND(SRCDIR, $srcdir) DX_ENV_APPEND(PROJECT, $DX_PROJECT) DX_ENV_APPEND(VERSION, $PACKAGE_VERSION) # Doxygen itself: DX_ARG_ABLE(doc, [generate any doxygen documentation], [], [], [DX_REQUIRE_PROG([DX_DOXYGEN], doxygen) DX_REQUIRE_PROG([DX_PERL], perl)], [DX_ENV_APPEND(PERL_PATH, $DX_PERL)]) # Dot for graphics: DX_ARG_ABLE(dot, [generate graphics for doxygen documentation], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [DX_REQUIRE_PROG([DX_DOT], dot)], [DX_ENV_APPEND(HAVE_DOT, YES) DX_ENV_APPEND(DOT_PATH, [`DX_DIRNAME_EXPR($DX_DOT)`])], [DX_ENV_APPEND(HAVE_DOT, NO)]) # Man pages generation: DX_ARG_ABLE(man, [generate doxygen manual pages], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [], [DX_ENV_APPEND(GENERATE_MAN, YES)], [DX_ENV_APPEND(GENERATE_MAN, NO)]) # RTF file generation: DX_ARG_ABLE(rtf, [generate doxygen RTF documentation], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [], [DX_ENV_APPEND(GENERATE_RTF, YES)], [DX_ENV_APPEND(GENERATE_RTF, NO)]) # XML file generation: DX_ARG_ABLE(xml, [generate doxygen XML documentation], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [], [DX_ENV_APPEND(GENERATE_XML, YES)], [DX_ENV_APPEND(GENERATE_XML, NO)]) # (Compressed) HTML help generation: DX_ARG_ABLE(chm, [generate doxygen compressed HTML help documentation], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [DX_REQUIRE_PROG([DX_HHC], hhc)], [DX_ENV_APPEND(HHC_PATH, $DX_HHC) DX_ENV_APPEND(GENERATE_HTML, YES) DX_ENV_APPEND(GENERATE_HTMLHELP, YES)], [DX_ENV_APPEND(GENERATE_HTMLHELP, NO)]) # Separate CHI file generation. DX_ARG_ABLE(chi, [generate doxygen separate compressed HTML help index file], [DX_CHECK_DEPEND(chm, 1)], [DX_CLEAR_DEPEND(chm, 1)], [], [DX_ENV_APPEND(GENERATE_CHI, YES)], [DX_ENV_APPEND(GENERATE_CHI, NO)]) # Plain HTML pages generation: DX_ARG_ABLE(html, [generate doxygen plain HTML documentation], [DX_CHECK_DEPEND(doc, 1) DX_CHECK_DEPEND(chm, 0)], [DX_CLEAR_DEPEND(doc, 1) DX_CLEAR_DEPEND(chm, 0)], [], [DX_ENV_APPEND(GENERATE_HTML, YES)], [DX_TEST_FEATURE(chm) || DX_ENV_APPEND(GENERATE_HTML, NO)]) # PostScript file generation: DX_ARG_ABLE(ps, [generate doxygen PostScript documentation], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [DX_REQUIRE_PROG([DX_LATEX], latex) DX_REQUIRE_PROG([DX_MAKEINDEX], makeindex) DX_REQUIRE_PROG([DX_DVIPS], dvips) DX_REQUIRE_PROG([DX_EGREP], egrep)]) # PDF file generation: DX_ARG_ABLE(pdf, [generate doxygen PDF documentation], [DX_CHECK_DEPEND(doc, 1)], [DX_CLEAR_DEPEND(doc, 1)], [DX_REQUIRE_PROG([DX_PDFLATEX], pdflatex) DX_REQUIRE_PROG([DX_MAKEINDEX], makeindex) DX_REQUIRE_PROG([DX_EGREP], egrep)]) # LaTeX generation for PS and/or PDF: if DX_TEST_FEATURE(ps) || DX_TEST_FEATURE(pdf); then DX_ENV_APPEND(GENERATE_LATEX, YES) else DX_ENV_APPEND(GENERATE_LATEX, NO) fi # Paper size for PS and/or PDF: AC_ARG_VAR(DOXYGEN_PAPER_SIZE, [a4wide (default), a4, letter, legal or executive]) case "$DOXYGEN_PAPER_SIZE" in #( "") AC_SUBST(DOXYGEN_PAPER_SIZE, "") ;; #( a4wide|a4|letter|legal|executive) DX_ENV_APPEND(PAPER_SIZE, $DOXYGEN_PAPER_SIZE) ;; #( *) AC_MSG_ERROR([unknown DOXYGEN_PAPER_SIZE='$DOXYGEN_PAPER_SIZE']) ;; esac # Rules: AS_IF([[test $DX_FLAG_html -eq 1]], [[DX_SNIPPET_html="## ------------------------------- ## ## Rules specific for HTML output. ## ## ------------------------------- ## DX_CLEAN_HTML = \$(DX_DOCDIR)/html]dnl m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\ \$(DX_DOCDIR]DX_i[)/html]])[ "]], [[DX_SNIPPET_html=""]]) AS_IF([[test $DX_FLAG_chi -eq 1]], [[DX_SNIPPET_chi=" DX_CLEAN_CHI = \$(DX_DOCDIR)/\$(PACKAGE).chi]dnl m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\ \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).chi]])["]], [[DX_SNIPPET_chi=""]]) AS_IF([[test $DX_FLAG_chm -eq 1]], [[DX_SNIPPET_chm="## ------------------------------ ## ## Rules specific for CHM output. ## ## ------------------------------ ## DX_CLEAN_CHM = \$(DX_DOCDIR)/chm]dnl m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\ \$(DX_DOCDIR]DX_i[)/chm]])[\ ${DX_SNIPPET_chi} "]], [[DX_SNIPPET_chm=""]]) AS_IF([[test $DX_FLAG_man -eq 1]], [[DX_SNIPPET_man="## ------------------------------ ## ## Rules specific for MAN output. ## ## ------------------------------ ## DX_CLEAN_MAN = \$(DX_DOCDIR)/man]dnl m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\ \$(DX_DOCDIR]DX_i[)/man]])[ "]], [[DX_SNIPPET_man=""]]) AS_IF([[test $DX_FLAG_rtf -eq 1]], [[DX_SNIPPET_rtf="## ------------------------------ ## ## Rules specific for RTF output. ## ## ------------------------------ ## DX_CLEAN_RTF = \$(DX_DOCDIR)/rtf]dnl m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\ \$(DX_DOCDIR]DX_i[)/rtf]])[ "]], [[DX_SNIPPET_rtf=""]]) AS_IF([[test $DX_FLAG_xml -eq 1]], [[DX_SNIPPET_xml="## ------------------------------ ## ## Rules specific for XML output. ## ## ------------------------------ ## DX_CLEAN_XML = \$(DX_DOCDIR)/xml]dnl m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\ \$(DX_DOCDIR]DX_i[)/xml]])[ "]], [[DX_SNIPPET_xml=""]]) AS_IF([[test $DX_FLAG_ps -eq 1]], [[DX_SNIPPET_ps="## ----------------------------- ## ## Rules specific for PS output. ## ## ----------------------------- ## DX_CLEAN_PS = \$(DX_DOCDIR)/\$(PACKAGE).ps]dnl m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\ \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).ps]])[ DX_PS_GOAL = doxygen-ps doxygen-ps: \$(DX_CLEAN_PS) ]m4_foreach([DX_i], [DX_loop], [[\$(DX_DOCDIR]DX_i[)/\$(PACKAGE).ps: \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).tag \$(DX_V_LATEX)cd \$(DX_DOCDIR]DX_i[)/latex; \\ rm -f *.aux *.toc *.idx *.ind *.ilg *.log *.out; \\ \$(DX_LATEX) refman.tex; \\ \$(DX_MAKEINDEX) refman.idx; \\ \$(DX_LATEX) refman.tex; \\ countdown=5; \\ while \$(DX_EGREP) 'Rerun (LaTeX|to get cross-references right)' \\ refman.log > /dev/null 2>&1 \\ && test \$\$countdown -gt 0; do \\ \$(DX_LATEX) refman.tex; \\ countdown=\`expr \$\$countdown - 1\`; \\ done; \\ \$(DX_DVIPS) -o ../\$(PACKAGE).ps refman.dvi ]])["]], [[DX_SNIPPET_ps=""]]) AS_IF([[test $DX_FLAG_pdf -eq 1]], [[DX_SNIPPET_pdf="## ------------------------------ ## ## Rules specific for PDF output. ## ## ------------------------------ ## DX_CLEAN_PDF = \$(DX_DOCDIR)/\$(PACKAGE).pdf]dnl m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\ \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).pdf]])[ DX_PDF_GOAL = doxygen-pdf doxygen-pdf: \$(DX_CLEAN_PDF) ]m4_foreach([DX_i], [DX_loop], [[\$(DX_DOCDIR]DX_i[)/\$(PACKAGE).pdf: \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).tag \$(DX_V_LATEX)cd \$(DX_DOCDIR]DX_i[)/latex; \\ rm -f *.aux *.toc *.idx *.ind *.ilg *.log *.out; \\ \$(DX_PDFLATEX) refman.tex; \\ \$(DX_MAKEINDEX) refman.idx; \\ \$(DX_PDFLATEX) refman.tex; \\ countdown=5; \\ while \$(DX_EGREP) 'Rerun (LaTeX|to get cross-references right)' \\ refman.log > /dev/null 2>&1 \\ && test \$\$countdown -gt 0; do \\ \$(DX_PDFLATEX) refman.tex; \\ countdown=\`expr \$\$countdown - 1\`; \\ done; \\ mv refman.pdf ../\$(PACKAGE).pdf ]])["]], [[DX_SNIPPET_pdf=""]]) AS_IF([[test $DX_FLAG_ps -eq 1 -o $DX_FLAG_pdf -eq 1]], [[DX_SNIPPET_latex="## ------------------------------------------------- ## ## Rules specific for LaTeX (shared for PS and PDF). ## ## ------------------------------------------------- ## DX_V_LATEX = \$(_DX_v_LATEX_\$(V)) _DX_v_LATEX_ = \$(_DX_v_LATEX_\$(AM_DEFAULT_VERBOSITY)) _DX_v_LATEX_0 = @echo \" LATEX \" \$][@; DX_CLEAN_LATEX = \$(DX_DOCDIR)/latex]dnl m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\ \$(DX_DOCDIR]DX_i[)/latex]])[ "]], [[DX_SNIPPET_latex=""]]) AS_IF([[test $DX_FLAG_doc -eq 1]], [[DX_SNIPPET_doc="## --------------------------------- ## ## Format-independent Doxygen rules. ## ## --------------------------------- ## ${DX_SNIPPET_html}\ ${DX_SNIPPET_chm}\ ${DX_SNIPPET_man}\ ${DX_SNIPPET_rtf}\ ${DX_SNIPPET_xml}\ ${DX_SNIPPET_ps}\ ${DX_SNIPPET_pdf}\ ${DX_SNIPPET_latex}\ DX_V_DXGEN = \$(_DX_v_DXGEN_\$(V)) _DX_v_DXGEN_ = \$(_DX_v_DXGEN_\$(AM_DEFAULT_VERBOSITY)) _DX_v_DXGEN_0 = @echo \" DXGEN \" \$<; .PHONY: doxygen-run doxygen-doc \$(DX_PS_GOAL) \$(DX_PDF_GOAL) .INTERMEDIATE: doxygen-run \$(DX_PS_GOAL) \$(DX_PDF_GOAL) doxygen-run:]m4_foreach([DX_i], [DX_loop], [[ \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).tag]])[ doxygen-doc: doxygen-run \$(DX_PS_GOAL) \$(DX_PDF_GOAL) ]m4_foreach([DX_i], [DX_loop], [[\$(DX_DOCDIR]DX_i[)/\$(PACKAGE).tag: \$(DX_CONFIG]DX_i[) \$(pkginclude_HEADERS) \$(A""M_V_at)rm -rf \$(DX_DOCDIR]DX_i[) \$(DX_V_DXGEN)\$(DX_ENV) DOCDIR=\$(DX_DOCDIR]DX_i[) \$(DX_DOXYGEN) \$(DX_CONFIG]DX_i[) \$(A""M_V_at)echo Timestamp >\$][@ ]])dnl [DX_CLEANFILES = \\] m4_foreach([DX_i], [DX_loop], [[ \$(DX_DOCDIR]DX_i[)/doxygen_sqlite3.db \\ \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).tag \\ ]])dnl [ -r \\ \$(DX_CLEAN_HTML) \\ \$(DX_CLEAN_CHM) \\ \$(DX_CLEAN_CHI) \\ \$(DX_CLEAN_MAN) \\ \$(DX_CLEAN_RTF) \\ \$(DX_CLEAN_XML) \\ \$(DX_CLEAN_PS) \\ \$(DX_CLEAN_PDF) \\ \$(DX_CLEAN_LATEX) DX_INSTALL_DOCS = \\ \$(DX_CLEAN_HTML) \\ \$(DX_CLEAN_CHM) \\ \$(DX_CLEAN_CHI) \\ \$(DX_CLEAN_RTF) \\ \$(DX_CLEAN_XML) \\ \$(DX_CLEAN_PS) \\ \$(DX_CLEAN_PDF) \\ \$(DX_CLEAN_LATEX) "]], [[DX_SNIPPET_doc=""]]) AC_SUBST([DX_RULES], ["${DX_SNIPPET_doc}"])dnl AM_SUBST_NOTMAKE([DX_RULES]) #For debugging: #echo DX_FLAG_doc=$DX_FLAG_doc #echo DX_FLAG_dot=$DX_FLAG_dot #echo DX_FLAG_man=$DX_FLAG_man #echo DX_FLAG_html=$DX_FLAG_html #echo DX_FLAG_chm=$DX_FLAG_chm #echo DX_FLAG_chi=$DX_FLAG_chi #echo DX_FLAG_rtf=$DX_FLAG_rtf #echo DX_FLAG_xml=$DX_FLAG_xml #echo DX_FLAG_pdf=$DX_FLAG_pdf #echo DX_FLAG_ps=$DX_FLAG_ps #echo DX_ENV=$DX_ENV ]) lldpd-1.0.18/libevent/m4/ax_check_funcs_ex.m40000644000076400001440000000124014111362571020165 0ustar00bernatusers# Check if the function is available. # HAVE_XXX will be defined if yes. # $1: the name of function # $2: the headers in where the function declared AC_DEFUN([AX_CHECK_DECL_EX], [dnl AS_IF([test "x$2" = "x"], [AC_MSG_ERROR([header not privided])]) AS_VAR_PUSHDEF([have_func_var], [HAVE_[]m4_toupper($1)]) AC_CHECK_DECL([$1],dnl [AC_DEFINE([have_func_var], [1], [Define to 1 if you have the `$1' function.])],,dnl [$2]dnl ) AS_VAR_POPDEF([have_func_var])dnl ]) AC_DEFUN([AX_CHECK_DECLS_EX], [dnl AS_IF([test "x$2" = "x"], [AC_MSG_ERROR([header not privided])]) m4_foreach([decl],dnl m4_split(m4_normalize($1)),dnl [AX_CHECK_DECL_EX([decl], [$2])]dnl ) ]) lldpd-1.0.18/libevent/log.c0000644000076400001440000001253114111362570014675 0ustar00bernatusers/* $OpenBSD: err.c,v 1.2 2002/06/25 15:50:15 mickey Exp $ */ /* * log.c * * Based on err.c, which was adapted from OpenBSD libc *err* *warn* code. * * Copyright (c) 2005-2012 Niels Provos and Nick Mathewson * * Copyright (c) 2000 Dug Song * * Copyright (c) 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #ifdef _WIN32 #include #define WIN32_LEAN_AND_MEAN #include #undef WIN32_LEAN_AND_MEAN #endif #include #include #include #include #include #include #include "event2/event.h" #include "event2/util.h" #include "log-internal.h" static void event_log(int severity, const char *msg); static void event_exit(int errcode) EV_NORETURN; static event_fatal_cb fatal_fn = NULL; #ifdef EVENT_DEBUG_LOGGING_ENABLED #ifdef USE_DEBUG #define DEFAULT_MASK EVENT_DBG_ALL #else #define DEFAULT_MASK 0 #endif EVENT2_EXPORT_SYMBOL ev_uint32_t event_debug_logging_mask_ = DEFAULT_MASK; #endif /* EVENT_DEBUG_LOGGING_ENABLED */ void event_enable_debug_logging(ev_uint32_t which) { #ifdef EVENT_DEBUG_LOGGING_ENABLED event_debug_logging_mask_ = which; #endif } void event_set_fatal_callback(event_fatal_cb cb) { fatal_fn = cb; } static void event_exit(int errcode) { if (fatal_fn) { fatal_fn(errcode); exit(errcode); /* should never be reached */ } else if (errcode == EVENT_ERR_ABORT_) abort(); else exit(errcode); } void event_err(int eval, const char *fmt, ...) { va_list ap; va_start(ap, fmt); event_logv_(EVENT_LOG_ERR, strerror(errno), fmt, ap); va_end(ap); event_exit(eval); } void event_warn(const char *fmt, ...) { va_list ap; va_start(ap, fmt); event_logv_(EVENT_LOG_WARN, strerror(errno), fmt, ap); va_end(ap); } void event_sock_err(int eval, evutil_socket_t sock, const char *fmt, ...) { va_list ap; int err = evutil_socket_geterror(sock); va_start(ap, fmt); event_logv_(EVENT_LOG_ERR, evutil_socket_error_to_string(err), fmt, ap); va_end(ap); event_exit(eval); } void event_sock_warn(evutil_socket_t sock, const char *fmt, ...) { va_list ap; int err = evutil_socket_geterror(sock); va_start(ap, fmt); event_logv_(EVENT_LOG_WARN, evutil_socket_error_to_string(err), fmt, ap); va_end(ap); } void event_errx(int eval, const char *fmt, ...) { va_list ap; va_start(ap, fmt); event_logv_(EVENT_LOG_ERR, NULL, fmt, ap); va_end(ap); event_exit(eval); } void event_warnx(const char *fmt, ...) { va_list ap; va_start(ap, fmt); event_logv_(EVENT_LOG_WARN, NULL, fmt, ap); va_end(ap); } void event_msgx(const char *fmt, ...) { va_list ap; va_start(ap, fmt); event_logv_(EVENT_LOG_MSG, NULL, fmt, ap); va_end(ap); } void event_debugx_(const char *fmt, ...) { va_list ap; va_start(ap, fmt); event_logv_(EVENT_LOG_DEBUG, NULL, fmt, ap); va_end(ap); } void event_logv_(int severity, const char *errstr, const char *fmt, va_list ap) { char buf[1024]; size_t len; if (severity == EVENT_LOG_DEBUG && !event_debug_get_logging_mask_()) return; if (fmt != NULL) evutil_vsnprintf(buf, sizeof(buf), fmt, ap); else buf[0] = '\0'; if (errstr) { len = strlen(buf); if (len < sizeof(buf) - 3) { evutil_snprintf(buf + len, sizeof(buf) - len, ": %s", errstr); } } event_log(severity, buf); } static event_log_cb log_fn = NULL; void event_set_log_callback(event_log_cb cb) { log_fn = cb; } static void event_log(int severity, const char *msg) { if (log_fn) log_fn(severity, msg); else { const char *severity_str; switch (severity) { case EVENT_LOG_DEBUG: severity_str = "debug"; break; case EVENT_LOG_MSG: severity_str = "msg"; break; case EVENT_LOG_WARN: severity_str = "warn"; break; case EVENT_LOG_ERR: severity_str = "err"; break; default: severity_str = "???"; break; } (void)fprintf(stderr, "[%s] %s\n", severity_str, msg); } } lldpd-1.0.18/libevent/evconfig-private.h.cmake0000644000076400001440000000202514111362570020445 0ustar00bernatusers #ifndef EVCONFIG_PRIVATE_H_INCLUDED_ #define EVCONFIG_PRIVATE_H_INCLUDED_ /* Enable extensions on AIX 3, Interix. */ #cmakedefine _ALL_SOURCE /* Enable GNU extensions on systems that have them. */ #cmakedefine _GNU_SOURCE 1 /* Enable threading extensions on Solaris. */ #cmakedefine _POSIX_PTHREAD_SEMANTICS 1 /* Enable extensions on HP NonStop. */ #cmakedefine _TANDEM_SOURCE 1 /* Enable general extensions on Solaris. */ #cmakedefine __EXTENSIONS__ /* Number of bits in a file offset, on hosts where this is settable. */ #cmakedefine _FILE_OFFSET_BITS 1 /* Define for large files, on AIX-style hosts. */ #cmakedefine _LARGE_FILES 1 /* Define to 1 if on MINIX. */ #cmakedefine _MINIX 1 /* Define to 2 if the system does not provide POSIX.1 features except with this defined. */ #cmakedefine _POSIX_1_SOURCE 1 /* Define to 1 if you need to in order for `stat' and other things to work. */ #cmakedefine _POSIX_SOURCE 1 /* Enable POSIX.2 extensions on QNX for getopt */ #ifdef __QNX__ #cmakedefine __EXT_POSIX2 1 #endif #endif lldpd-1.0.18/libevent/iocp-internal.h0000644000076400001440000001747114111362570016675 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef IOCP_INTERNAL_H_INCLUDED_ #define IOCP_INTERNAL_H_INCLUDED_ #ifdef __cplusplus extern "C" { #endif struct event_overlapped; struct event_iocp_port; struct evbuffer; typedef void (*iocp_callback)(struct event_overlapped *, ev_uintptr_t, ev_ssize_t, int success); /* This whole file is actually win32 only. We wrap the structures in a win32 * ifdef so that we can test-compile code that uses these interfaces on * non-win32 platforms. */ #ifdef _WIN32 /** Internal use only. Wraps an OVERLAPPED that we're using for libevent functionality. Whenever an event_iocp_port gets an event for a given OVERLAPPED*, it upcasts the pointer to an event_overlapped, and calls the iocp_callback function with the event_overlapped, the iocp key, and the number of bytes transferred as arguments. */ struct event_overlapped { OVERLAPPED overlapped; iocp_callback cb; }; /* Mingw's headers don't define LPFN_ACCEPTEX. */ typedef BOOL (WINAPI *AcceptExPtr)(SOCKET, SOCKET, PVOID, DWORD, DWORD, DWORD, LPDWORD, LPOVERLAPPED); typedef BOOL (WINAPI *ConnectExPtr)(SOCKET, const struct sockaddr *, int, PVOID, DWORD, LPDWORD, LPOVERLAPPED); typedef void (WINAPI *GetAcceptExSockaddrsPtr)(PVOID, DWORD, DWORD, DWORD, LPSOCKADDR *, LPINT, LPSOCKADDR *, LPINT); /** Internal use only. Holds pointers to functions that only some versions of Windows provide. */ struct win32_extension_fns { AcceptExPtr AcceptEx; ConnectExPtr ConnectEx; GetAcceptExSockaddrsPtr GetAcceptExSockaddrs; }; /** Internal use only. Stores a Windows IO Completion port, along with related data. */ struct event_iocp_port { /** The port itself */ HANDLE port; /* A lock to cover internal structures. */ CRITICAL_SECTION lock; /** Number of threads ever open on the port. */ short n_threads; /** True iff we're shutting down all the threads on this port */ short shutdown; /** How often the threads on this port check for shutdown and other * conditions */ long ms; /* The threads that are waiting for events. */ HANDLE *threads; /** Number of threads currently open on this port. */ short n_live_threads; /** A semaphore to signal when we are done shutting down. */ HANDLE *shutdownSemaphore; }; EVENT2_EXPORT_SYMBOL const struct win32_extension_fns *event_get_win32_extension_fns_(void); #else /* Dummy definition so we can test-compile more things on unix. */ struct event_overlapped { iocp_callback cb; }; #endif /** Initialize the fields in an event_overlapped. @param overlapped The struct event_overlapped to initialize @param cb The callback that should be invoked once the IO operation has finished. */ EVENT2_EXPORT_SYMBOL void event_overlapped_init_(struct event_overlapped *, iocp_callback cb); /** Allocate and return a new evbuffer that supports overlapped IO on a given socket. The socket must be associated with an IO completion port using event_iocp_port_associate_. */ EVENT2_EXPORT_SYMBOL struct evbuffer *evbuffer_overlapped_new_(evutil_socket_t fd); /** XXXX Document (nickm) */ evutil_socket_t evbuffer_overlapped_get_fd_(struct evbuffer *buf); void evbuffer_overlapped_set_fd_(struct evbuffer *buf, evutil_socket_t fd); /** Start reading data onto the end of an overlapped evbuffer. An evbuffer can only have one read pending at a time. While the read is in progress, no other data may be added to the end of the buffer. The buffer must be created with event_overlapped_init_(). evbuffer_commit_read_() must be called in the completion callback. @param buf The buffer to read onto @param n The number of bytes to try to read. @param ol Overlapped object with associated completion callback. @return 0 on success, -1 on error. */ EVENT2_EXPORT_SYMBOL int evbuffer_launch_read_(struct evbuffer *buf, size_t n, struct event_overlapped *ol); /** Start writing data from the start of an evbuffer. An evbuffer can only have one write pending at a time. While the write is in progress, no other data may be removed from the front of the buffer. The buffer must be created with event_overlapped_init_(). evbuffer_commit_write_() must be called in the completion callback. @param buf The buffer to read onto @param n The number of bytes to try to read. @param ol Overlapped object with associated completion callback. @return 0 on success, -1 on error. */ EVENT2_EXPORT_SYMBOL int evbuffer_launch_write_(struct evbuffer *buf, ev_ssize_t n, struct event_overlapped *ol); /** XXX document */ EVENT2_EXPORT_SYMBOL void evbuffer_commit_read_(struct evbuffer *, ev_ssize_t); EVENT2_EXPORT_SYMBOL void evbuffer_commit_write_(struct evbuffer *, ev_ssize_t); /** Create an IOCP, and launch its worker threads. Internal use only. This interface is unstable, and will change. */ EVENT2_EXPORT_SYMBOL struct event_iocp_port *event_iocp_port_launch_(int n_cpus); /** Associate a file descriptor with an iocp, such that overlapped IO on the fd will happen on one of the iocp's worker threads. */ EVENT2_EXPORT_SYMBOL int event_iocp_port_associate_(struct event_iocp_port *port, evutil_socket_t fd, ev_uintptr_t key); /** Tell all threads serving an iocp to stop. Wait for up to waitMsec for all the threads to finish whatever they're doing. If waitMsec is -1, wait as long as required. If all the threads are done, free the port and return 0. Otherwise, return -1. If you get a -1 return value, it is safe to call this function again. */ EVENT2_EXPORT_SYMBOL int event_iocp_shutdown_(struct event_iocp_port *port, long waitMsec); /* FIXME document. */ EVENT2_EXPORT_SYMBOL int event_iocp_activate_overlapped_(struct event_iocp_port *port, struct event_overlapped *o, ev_uintptr_t key, ev_uint32_t n_bytes); struct event_base; /* FIXME document. */ EVENT2_EXPORT_SYMBOL struct event_iocp_port *event_base_get_iocp_(struct event_base *base); /* FIXME document. */ EVENT2_EXPORT_SYMBOL int event_base_start_iocp_(struct event_base *base, int n_cpus); void event_base_stop_iocp_(struct event_base *base); /* FIXME document. */ EVENT2_EXPORT_SYMBOL struct bufferevent *bufferevent_async_new_(struct event_base *base, evutil_socket_t fd, int options); /* FIXME document. */ void bufferevent_async_set_connected_(struct bufferevent *bev); int bufferevent_async_can_connect_(struct bufferevent *bev); int bufferevent_async_connect_(struct bufferevent *bev, evutil_socket_t fd, const struct sockaddr *sa, int socklen); #ifdef __cplusplus } #endif #endif lldpd-1.0.18/libevent/WIN32-Code/0000755000076400001440000000000014550773325015433 5ustar00bernatuserslldpd-1.0.18/libevent/WIN32-Code/getopt.h0000644000076400001440000000126014111362571017073 0ustar00bernatusers#ifndef __GETOPT_H__ #define __GETOPT_H__ #ifdef __cplusplus extern "C" { #endif extern int opterr; /* if error message should be printed */ extern int optind; /* index into parent argv vector */ extern int optopt; /* character checked for validity */ extern int optreset; /* reset getopt */ extern char *optarg; /* argument associated with option */ struct option { const char *name; int has_arg; int *flag; int val; }; #define no_argument 0 #define required_argument 1 #define optional_argument 2 int getopt(int, char**, const char*); int getopt_long(int, char**, const char*, const struct option*, int*); #ifdef __cplusplus } #endif #endif /* __GETOPT_H__ */ lldpd-1.0.18/libevent/WIN32-Code/nmake/0000755000076400001440000000000014550773325016526 5ustar00bernatuserslldpd-1.0.18/libevent/WIN32-Code/nmake/event2/0000755000076400001440000000000014550773325017731 5ustar00bernatuserslldpd-1.0.18/libevent/WIN32-Code/nmake/event2/event-config.h0000644000076400001440000002471414111362575022470 0ustar00bernatusers/* event2/event-config.h * * This file was generated by autoconf when libevent was built, and post- * processed by Libevent so that its macros would have a uniform prefix. * * DO NOT EDIT THIS FILE. * * Do not rely on macros in this file existing in later versions. */ #ifndef EVENT_CONFIG_H__ #define EVENT_CONFIG_H__ /* config.h. Generated by configure. */ /* config.h.in. Generated from configure.in by autoheader. */ /* Define if libevent should not allow replacing the mm functions */ /* #undef EVENT__DISABLE_MM_REPLACEMENT */ /* Define if libevent should not be compiled with thread support */ /* #undef EVENT__DISABLE_THREAD_SUPPORT */ /* Define if clock_gettime is available in libc */ /* #undef _EVENT_DNS_USE_CPU_CLOCK_FOR_ID */ /* Define is no secure id variant is available */ /* #define _EVENT_DNS_USE_GETTIMEOFDAY_FOR_ID 1 */ #define EVENT_DNS_USE_FTIME_FOR_ID_ 1 /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_ARPA_INET_H */ /* Define to 1 if you have the `clock_gettime' function. */ /* #undef EVENT__HAVE_CLOCK_GETTIME */ /* Define if /dev/poll is available */ /* #undef EVENT__HAVE_DEVPOLL */ /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_DLFCN_H */ /* Define if your system supports the epoll system calls */ /* #undef EVENT__HAVE_EPOLL */ /* Define to 1 if you have the `epoll_ctl' function. */ /* #undef EVENT__HAVE_EPOLL_CTL */ /* Define to 1 if you have the `eventfd' function. */ /* #undef EVENT__HAVE_EVENTFD */ /* Define if your system supports event ports */ /* #undef EVENT__HAVE_EVENT_PORTS */ /* Define to 1 if you have the `fcntl' function. */ /* #undef EVENT__HAVE_FCNTL */ /* Define to 1 if you have the header file. */ #define EVENT__HAVE_FCNTL_H 1 /* Define to 1 if you have the `getaddrinfo' function. */ #define EVENT__HAVE_GETADDRINFO 1 /* Define to 1 if you have the `getnameinfo' function. */ #define EVENT__HAVE_GETNAMEINFO 1 /* Define to 1 if you have the `getprotobynumber' function. */ #define EVENT__HAVE_GETPROTOBYNUMBER 1 /* Define to 1 if you have the `getservbyname' function. */ #define EVENT__HAVE_GETSERVBYNAME 1 /* Define to 1 if you have the `gettimeofday' function. */ /* #define EVENT__HAVE_GETTIMEOFDAY 1 */ /* Define to 1 if you have the `inet_ntop' function. */ /* #undef EVENT__HAVE_INET_NTOP */ /* Define to 1 if you have the `inet_pton' function. */ /* #undef EVENT__HAVE_INET_PTON */ /* Define to 1 if you have the header file. */ /* #define EVENT__HAVE_INTTYPES_H 1 */ /* Define to 1 if you have the `kqueue' function. */ /* #undef EVENT__HAVE_KQUEUE */ /* Define if the system has zlib */ /* #undef EVENT__HAVE_LIBZ */ /* Define to 1 if you have the header file. */ #define EVENT__HAVE_MEMORY_H 1 /* Define to 1 if you have the `mmap' function. */ /* #undef EVENT__HAVE_MMAP */ /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_NETINET_IN6_H */ /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_NETINET_IN_H */ /* Define to 1 if you have the `pipe' function. */ /* #undef EVENT__HAVE_PIPE */ /* Define to 1 if you have the `poll' function. */ /* #undef EVENT__HAVE_POLL */ /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_POLL_H */ /* Define to 1 if you have the `port_create' function. */ /* #undef EVENT__HAVE_PORT_CREATE */ /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_PORT_H */ /* Define if you have POSIX threads libraries and header files. */ /* #undef EVENT__HAVE_PTHREAD */ /* Define if we have pthreads on this system */ /* #undef EVENT__HAVE_PTHREADS */ /* Define to 1 if the system has the type `sa_family_t'. */ /* #undef EVENT__HAVE_SA_FAMILY_T */ /* Define to 1 if you have the `select' function. */ /* #undef EVENT__HAVE_SELECT */ /* Define to 1 if you have the `sendfile' function. */ /* #undef EVENT__HAVE_SENDFILE */ /* Define if F_SETFD is defined in */ /* #undef EVENT__HAVE_SETFD */ /* Define to 1 if you have the `sigaction' function. */ /* #undef EVENT__HAVE_SIGACTION */ /* Define to 1 if you have the `signal' function. */ #define EVENT__HAVE_SIGNAL 1 /* Define to 1 if you have the `splice' function. */ /* #undef EVENT__HAVE_SPLICE */ /* Define to 1 if you have the header file. */ #define EVENT__HAVE_STDARG_H 1 /* Define to 1 if you have the header file. */ #define EVENT__HAVE_STDDEF_H 1 /* Define to 1 if you have the header file. */ /* #define EVENT__HAVE_STDINT_H 1 */ /* Define to 1 if you have the header file. */ #define EVENT__HAVE_STDLIB_H 1 /* Define to 1 if you have the header file. */ #define EVENT__HAVE_STRINGS_H 1 /* Define to 1 if you have the header file. */ #define EVENT__HAVE_STRING_H 1 /* Define to 1 if you have the `strlcpy' function. */ /* #undef EVENT__HAVE_STRLCPY */ /* Define to 1 if you have the `strsep' function. */ /* #undef EVENT__HAVE_STRSEP */ /* Define to 1 if you have the `strtok_r' function. */ /* #undef EVENT__HAVE_STRTOK_R */ /* Define to 1 if you have the `strtoll' function. */ /* #define EVENT__HAVE_STRTOLL 1 */ #define EVENT__HAVE_STRUCT_ADDRINFO 1 /* Define to 1 if the system has the type `struct in6_addr'. */ #define EVENT__HAVE_STRUCT_IN6_ADDR 1 /* Define to 1 if `s6_addr16' is member of `struct in6_addr'. */ #define EVENT__HAVE_STRUCT_IN6_ADDR_S6_ADDR16 1 /* Define to 1 if `s6_addr32' is member of `struct in6_addr'. */ #define EVENT__HAVE_STRUCT_IN6_ADDR_S6_ADDR32 1 /* Define to 1 if the system has the type `struct sockaddr_in6'. */ #define EVENT__HAVE_STRUCT_SOCKADDR_IN6 1 /* Define to 1 if `sin6_len' is member of `struct sockaddr_in6'. */ /* #undef EVENT__HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN */ /* Define to 1 if `sin_len' is member of `struct sockaddr_in'. */ /* #undef EVENT__HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */ /* Define to 1 if the system has the type `struct sockaddr_storage'. */ #define EVENT__HAVE_STRUCT_SOCKADDR_STORAGE 1 /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_SYS_EPOLL_H */ /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_SYS_EVENTFD_H */ /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_SYS_EVENT_H */ /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_SYS_IOCTL_H */ /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_SYS_MMAN_H */ /* Define to 1 if you have the header file. */ /* #define EVENT__HAVE_SYS_PARAM_H 1 */ /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_SYS_QUEUE_H */ /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_SYS_SELECT_H */ /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_SYS_SENDFILE_H */ /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_SYS_SOCKET_H */ /* Define to 1 if you have the header file. */ #define EVENT__HAVE_SYS_STAT_H 1 /* Define to 1 if you have the header file. */ /* #define EVENT__HAVE_SYS_TIME_H 1 */ /* Define to 1 if you have the header file. */ #define EVENT__HAVE_SYS_TYPES_H 1 /* Define to 1 if you have the header file. */ /* #undef EVENT__HAVE_SYS_UIO_H */ /* Define if TAILQ_FOREACH is defined in */ /* #undef EVENT__HAVE_TAILQFOREACH */ /* Define if timeradd is defined in */ /* #undef EVENT__HAVE_TIMERADD */ /* Define if timerclear is defined in */ #define EVENT__HAVE_TIMERCLEAR 1 /* Define if timercmp is defined in */ #define EVENT__HAVE_TIMERCMP 1 /* Define if timerisset is defined in */ #define EVENT__HAVE_TIMERISSET 1 /* Define to 1 if the system has the type `uint16_t'. */ /* #define EVENT__HAVE_UINT16_T 1 */ /* Define to 1 if the system has the type `uint32_t'. */ /* #define EVENT__HAVE_UINT32_T 1 */ /* Define to 1 if the system has the type `uint64_t'. */ /* #define EVENT__HAVE_UINT64_T 1 */ /* Define to 1 if the system has the type `uint8_t'. */ /* #define EVENT__HAVE_UINT8_T 1 */ /* Define to 1 if you have the header file. */ /* #define EVENT__HAVE_UNISTD_H 1 */ /* Define to 1 if you have the `vasprintf' function. */ /* #undef EVENT__HAVE_VASPRINTF */ /* Define if kqueue works correctly with pipes */ /* #undef EVENT__HAVE_WORKING_KQUEUE */ /* Numeric representation of the version */ #define EVENT__NUMERIC_VERSION 0x02010c00 /* Name of package */ #define EVENT__PACKAGE "libevent" /* Define to the address where bug reports for this package should be sent. */ #define EVENT__PACKAGE_BUGREPORT "" /* Define to the full name of this package. */ #define EVENT__PACKAGE_NAME "" /* Define to the full name and version of this package. */ #define EVENT__PACKAGE_STRING "" /* Define to the one symbol short name of this package. */ #define EVENT__PACKAGE_TARNAME "" /* Define to the version of this package. */ #define EVENT__PACKAGE_VERSION "" /* Define to necessary symbol if this constant uses a non-standard name on your system. */ /* #undef EVENT__PTHREAD_CREATE_JOINABLE */ /* The size of a `int', as computed by sizeof. */ #define EVENT__SIZEOF_INT 4 /* The size of a `long', as computed by sizeof. */ #define EVENT__SIZEOF_LONG 4 /* The size of a `long long', as computed by sizeof. */ #define EVENT__SIZEOF_LONG_LONG 8 /* The size of a `short', as computed by sizeof. */ #define EVENT__SIZEOF_SHORT 2 /* The size of `size_t', as computed by sizeof. */ #ifdef _WIN64 #define EVENT__SIZEOF_SIZE_T 8 #else #define EVENT__SIZEOF_SIZE_T 4 #endif /* The size of `void *', as computed by sizeof. */ #ifdef _WIN64 #define EVENT__SIZEOF_VOID_P 8 #else #define EVENT__SIZEOF_VOID_P 4 #endif /* The size of `time_t`, as computed by sizeof. */ #ifdef _WIN64 #define EVENT__SIZEOF_TIME_T 8 #else #define EVENT__SIZEOF_TIME_T 4 #endif /* Define to 1 if you can safely include both and . */ #define EVENT__TIME_WITH_SYS_TIME 1 /* Version number of package */ #define EVENT__VERSION "2.1.12-stable" /* Define to `__inline__' or `__inline' if that's what the C compiler calls it, or to nothing if 'inline' is not supported under any name. */ #define EVENT__inline __inline /* Define to `unsigned' if does not define. */ /* #undef EVENT__size_t */ /* Define to unsigned int if you dont have it */ #define EVENT__socklen_t unsigned int /* Define to `int' if does not define. */ #define EVENT__ssize_t SSIZE_T #endif lldpd-1.0.18/libevent/WIN32-Code/nmake/evconfig-private.h0000644000076400001440000000022614111362573022137 0ustar00bernatusers#if !defined(EVENT_EVCONFIG__PRIVATE_H_) && !defined(__MINGW32__) #define EVENT_EVCONFIG__PRIVATE_H_ /* Nothing to see here. Move along. */ #endif lldpd-1.0.18/libevent/WIN32-Code/tree.h0000644000076400001440000005416614111362571016545 0ustar00bernatusers/* $OpenBSD: tree.h,v 1.7 2002/10/17 21:51:54 art Exp $ */ /* * Copyright 2002 Niels Provos * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _SYS_TREE_H_ #define _SYS_TREE_H_ /* * This file defines data structures for different types of trees: * splay trees and red-black trees. * * A splay tree is a self-organizing data structure. Every operation * on the tree causes a splay to happen. The splay moves the requested * node to the root of the tree and partly rebalances it. * * This has the benefit that request locality causes faster lookups as * the requested nodes move to the top of the tree. On the other hand, * every lookup causes memory writes. * * The Balance Theorem bounds the total access time for m operations * and n inserts on an initially empty tree as O((m + n)lg n). The * amortized cost for a sequence of m accesses to a splay tree is O(lg n); * * A red-black tree is a binary search tree with the node color as an * extra attribute. It fulfills a set of conditions: * - every search path from the root to a leaf consists of the * same number of black nodes, * - each red node (except for the root) has a black parent, * - each leaf node is black. * * Every operation on a red-black tree is bounded as O(lg n). * The maximum height of a red-black tree is 2lg (n+1). */ #define SPLAY_HEAD(name, type) \ struct name { \ struct type *sph_root; /* root of the tree */ \ } #define SPLAY_INITIALIZER(root) \ { NULL } #define SPLAY_INIT(root) do { \ (root)->sph_root = NULL; \ } while (0) #define SPLAY_ENTRY(type) \ struct { \ struct type *spe_left; /* left element */ \ struct type *spe_right; /* right element */ \ } #define SPLAY_LEFT(elm, field) (elm)->field.spe_left #define SPLAY_RIGHT(elm, field) (elm)->field.spe_right #define SPLAY_ROOT(head) (head)->sph_root #define SPLAY_EMPTY(head) (SPLAY_ROOT(head) == NULL) /* SPLAY_ROTATE_{LEFT,RIGHT} expect that tmp hold SPLAY_{RIGHT,LEFT} */ #define SPLAY_ROTATE_RIGHT(head, tmp, field) do { \ SPLAY_LEFT((head)->sph_root, field) = SPLAY_RIGHT(tmp, field); \ SPLAY_RIGHT(tmp, field) = (head)->sph_root; \ (head)->sph_root = tmp; \ } while (0) #define SPLAY_ROTATE_LEFT(head, tmp, field) do { \ SPLAY_RIGHT((head)->sph_root, field) = SPLAY_LEFT(tmp, field); \ SPLAY_LEFT(tmp, field) = (head)->sph_root; \ (head)->sph_root = tmp; \ } while (0) #define SPLAY_LINKLEFT(head, tmp, field) do { \ SPLAY_LEFT(tmp, field) = (head)->sph_root; \ tmp = (head)->sph_root; \ (head)->sph_root = SPLAY_LEFT((head)->sph_root, field); \ } while (0) #define SPLAY_LINKRIGHT(head, tmp, field) do { \ SPLAY_RIGHT(tmp, field) = (head)->sph_root; \ tmp = (head)->sph_root; \ (head)->sph_root = SPLAY_RIGHT((head)->sph_root, field); \ } while (0) #define SPLAY_ASSEMBLE(head, node, left, right, field) do { \ SPLAY_RIGHT(left, field) = SPLAY_LEFT((head)->sph_root, field); \ SPLAY_LEFT(right, field) = SPLAY_RIGHT((head)->sph_root, field);\ SPLAY_LEFT((head)->sph_root, field) = SPLAY_RIGHT(node, field); \ SPLAY_RIGHT((head)->sph_root, field) = SPLAY_LEFT(node, field); \ } while (0) /* Generates prototypes and inline functions */ #define SPLAY_PROTOTYPE(name, type, field, cmp) \ void name##_SPLAY(struct name *, struct type *); \ void name##_SPLAY_MINMAX(struct name *, int); \ struct type *name##_SPLAY_INSERT(struct name *, struct type *); \ struct type *name##_SPLAY_REMOVE(struct name *, struct type *); \ \ /* Finds the node with the same key as elm */ \ static __inline struct type * \ name##_SPLAY_FIND(struct name *head, struct type *elm) \ { \ if (SPLAY_EMPTY(head)) \ return(NULL); \ name##_SPLAY(head, elm); \ if ((cmp)(elm, (head)->sph_root) == 0) \ return (head->sph_root); \ return (NULL); \ } \ \ static __inline struct type * \ name##_SPLAY_NEXT(struct name *head, struct type *elm) \ { \ name##_SPLAY(head, elm); \ if (SPLAY_RIGHT(elm, field) != NULL) { \ elm = SPLAY_RIGHT(elm, field); \ while (SPLAY_LEFT(elm, field) != NULL) { \ elm = SPLAY_LEFT(elm, field); \ } \ } else \ elm = NULL; \ return (elm); \ } \ \ static __inline struct type * \ name##_SPLAY_MIN_MAX(struct name *head, int val) \ { \ name##_SPLAY_MINMAX(head, val); \ return (SPLAY_ROOT(head)); \ } /* Main splay operation. * Moves node close to the key of elm to top */ #define SPLAY_GENERATE(name, type, field, cmp) \ struct type * \ name##_SPLAY_INSERT(struct name *head, struct type *elm) \ { \ if (SPLAY_EMPTY(head)) { \ SPLAY_LEFT(elm, field) = SPLAY_RIGHT(elm, field) = NULL; \ } else { \ int __comp; \ name##_SPLAY(head, elm); \ __comp = (cmp)(elm, (head)->sph_root); \ if(__comp < 0) { \ SPLAY_LEFT(elm, field) = SPLAY_LEFT((head)->sph_root, field);\ SPLAY_RIGHT(elm, field) = (head)->sph_root; \ SPLAY_LEFT((head)->sph_root, field) = NULL; \ } else if (__comp > 0) { \ SPLAY_RIGHT(elm, field) = SPLAY_RIGHT((head)->sph_root, field);\ SPLAY_LEFT(elm, field) = (head)->sph_root; \ SPLAY_RIGHT((head)->sph_root, field) = NULL; \ } else \ return ((head)->sph_root); \ } \ (head)->sph_root = (elm); \ return (NULL); \ } \ \ struct type * \ name##_SPLAY_REMOVE(struct name *head, struct type *elm) \ { \ struct type *__tmp; \ if (SPLAY_EMPTY(head)) \ return (NULL); \ name##_SPLAY(head, elm); \ if ((cmp)(elm, (head)->sph_root) == 0) { \ if (SPLAY_LEFT((head)->sph_root, field) == NULL) { \ (head)->sph_root = SPLAY_RIGHT((head)->sph_root, field);\ } else { \ __tmp = SPLAY_RIGHT((head)->sph_root, field); \ (head)->sph_root = SPLAY_LEFT((head)->sph_root, field);\ name##_SPLAY(head, elm); \ SPLAY_RIGHT((head)->sph_root, field) = __tmp; \ } \ return (elm); \ } \ return (NULL); \ } \ \ void \ name##_SPLAY(struct name *head, struct type *elm) \ { \ struct type __node, *__left, *__right, *__tmp; \ int __comp; \ \ SPLAY_LEFT(&__node, field) = SPLAY_RIGHT(&__node, field) = NULL;\ __left = __right = &__node; \ \ while ((__comp = (cmp)(elm, (head)->sph_root))) { \ if (__comp < 0) { \ __tmp = SPLAY_LEFT((head)->sph_root, field); \ if (__tmp == NULL) \ break; \ if ((cmp)(elm, __tmp) < 0){ \ SPLAY_ROTATE_RIGHT(head, __tmp, field); \ if (SPLAY_LEFT((head)->sph_root, field) == NULL)\ break; \ } \ SPLAY_LINKLEFT(head, __right, field); \ } else if (__comp > 0) { \ __tmp = SPLAY_RIGHT((head)->sph_root, field); \ if (__tmp == NULL) \ break; \ if ((cmp)(elm, __tmp) > 0){ \ SPLAY_ROTATE_LEFT(head, __tmp, field); \ if (SPLAY_RIGHT((head)->sph_root, field) == NULL)\ break; \ } \ SPLAY_LINKRIGHT(head, __left, field); \ } \ } \ SPLAY_ASSEMBLE(head, &__node, __left, __right, field); \ } \ \ /* Splay with either the minimum or the maximum element \ * Used to find minimum or maximum element in tree. \ */ \ void name##_SPLAY_MINMAX(struct name *head, int __comp) \ { \ struct type __node, *__left, *__right, *__tmp; \ \ SPLAY_LEFT(&__node, field) = SPLAY_RIGHT(&__node, field) = NULL;\ __left = __right = &__node; \ \ while (1) { \ if (__comp < 0) { \ __tmp = SPLAY_LEFT((head)->sph_root, field); \ if (__tmp == NULL) \ break; \ if (__comp < 0){ \ SPLAY_ROTATE_RIGHT(head, __tmp, field); \ if (SPLAY_LEFT((head)->sph_root, field) == NULL)\ break; \ } \ SPLAY_LINKLEFT(head, __right, field); \ } else if (__comp > 0) { \ __tmp = SPLAY_RIGHT((head)->sph_root, field); \ if (__tmp == NULL) \ break; \ if (__comp > 0) { \ SPLAY_ROTATE_LEFT(head, __tmp, field); \ if (SPLAY_RIGHT((head)->sph_root, field) == NULL)\ break; \ } \ SPLAY_LINKRIGHT(head, __left, field); \ } \ } \ SPLAY_ASSEMBLE(head, &__node, __left, __right, field); \ } #define SPLAY_NEGINF -1 #define SPLAY_INF 1 #define SPLAY_INSERT(name, x, y) name##_SPLAY_INSERT(x, y) #define SPLAY_REMOVE(name, x, y) name##_SPLAY_REMOVE(x, y) #define SPLAY_FIND(name, x, y) name##_SPLAY_FIND(x, y) #define SPLAY_NEXT(name, x, y) name##_SPLAY_NEXT(x, y) #define SPLAY_MIN(name, x) (SPLAY_EMPTY(x) ? NULL \ : name##_SPLAY_MIN_MAX(x, SPLAY_NEGINF)) #define SPLAY_MAX(name, x) (SPLAY_EMPTY(x) ? NULL \ : name##_SPLAY_MIN_MAX(x, SPLAY_INF)) #define SPLAY_FOREACH(x, name, head) \ for ((x) = SPLAY_MIN(name, head); \ (x) != NULL; \ (x) = SPLAY_NEXT(name, head, x)) /* Macros that define a red-back tree */ #define RB_HEAD(name, type) \ struct name { \ struct type *rbh_root; /* root of the tree */ \ } #define RB_INITIALIZER(root) \ { NULL } #define RB_INIT(root) do { \ (root)->rbh_root = NULL; \ } while (0) #define RB_BLACK 0 #define RB_RED 1 #define RB_ENTRY(type) \ struct { \ struct type *rbe_left; /* left element */ \ struct type *rbe_right; /* right element */ \ struct type *rbe_parent; /* parent element */ \ int rbe_color; /* node color */ \ } #define RB_LEFT(elm, field) (elm)->field.rbe_left #define RB_RIGHT(elm, field) (elm)->field.rbe_right #define RB_PARENT(elm, field) (elm)->field.rbe_parent #define RB_COLOR(elm, field) (elm)->field.rbe_color #define RB_ROOT(head) (head)->rbh_root #define RB_EMPTY(head) (RB_ROOT(head) == NULL) #define RB_SET(elm, parent, field) do { \ RB_PARENT(elm, field) = parent; \ RB_LEFT(elm, field) = RB_RIGHT(elm, field) = NULL; \ RB_COLOR(elm, field) = RB_RED; \ } while (0) #define RB_SET_BLACKRED(black, red, field) do { \ RB_COLOR(black, field) = RB_BLACK; \ RB_COLOR(red, field) = RB_RED; \ } while (0) #ifndef RB_AUGMENT #define RB_AUGMENT(x) #endif #define RB_ROTATE_LEFT(head, elm, tmp, field) do { \ (tmp) = RB_RIGHT(elm, field); \ if ((RB_RIGHT(elm, field) = RB_LEFT(tmp, field))) { \ RB_PARENT(RB_LEFT(tmp, field), field) = (elm); \ } \ RB_AUGMENT(elm); \ if ((RB_PARENT(tmp, field) = RB_PARENT(elm, field))) { \ if ((elm) == RB_LEFT(RB_PARENT(elm, field), field)) \ RB_LEFT(RB_PARENT(elm, field), field) = (tmp); \ else \ RB_RIGHT(RB_PARENT(elm, field), field) = (tmp); \ } else \ (head)->rbh_root = (tmp); \ RB_LEFT(tmp, field) = (elm); \ RB_PARENT(elm, field) = (tmp); \ RB_AUGMENT(tmp); \ if ((RB_PARENT(tmp, field))) \ RB_AUGMENT(RB_PARENT(tmp, field)); \ } while (0) #define RB_ROTATE_RIGHT(head, elm, tmp, field) do { \ (tmp) = RB_LEFT(elm, field); \ if ((RB_LEFT(elm, field) = RB_RIGHT(tmp, field))) { \ RB_PARENT(RB_RIGHT(tmp, field), field) = (elm); \ } \ RB_AUGMENT(elm); \ if ((RB_PARENT(tmp, field) = RB_PARENT(elm, field))) { \ if ((elm) == RB_LEFT(RB_PARENT(elm, field), field)) \ RB_LEFT(RB_PARENT(elm, field), field) = (tmp); \ else \ RB_RIGHT(RB_PARENT(elm, field), field) = (tmp); \ } else \ (head)->rbh_root = (tmp); \ RB_RIGHT(tmp, field) = (elm); \ RB_PARENT(elm, field) = (tmp); \ RB_AUGMENT(tmp); \ if ((RB_PARENT(tmp, field))) \ RB_AUGMENT(RB_PARENT(tmp, field)); \ } while (0) /* Generates prototypes and inline functions */ #define RB_PROTOTYPE(name, type, field, cmp) \ void name##_RB_INSERT_COLOR(struct name *, struct type *); \ void name##_RB_REMOVE_COLOR(struct name *, struct type *, struct type *);\ struct type *name##_RB_REMOVE(struct name *, struct type *); \ struct type *name##_RB_INSERT(struct name *, struct type *); \ struct type *name##_RB_FIND(struct name *, struct type *); \ struct type *name##_RB_NEXT(struct type *); \ struct type *name##_RB_MINMAX(struct name *, int); \ \ /* Main rb operation. * Moves node close to the key of elm to top */ #define RB_GENERATE(name, type, field, cmp) \ void \ name##_RB_INSERT_COLOR(struct name *head, struct type *elm) \ { \ struct type *parent, *gparent, *tmp; \ while ((parent = RB_PARENT(elm, field)) && \ RB_COLOR(parent, field) == RB_RED) { \ gparent = RB_PARENT(parent, field); \ if (parent == RB_LEFT(gparent, field)) { \ tmp = RB_RIGHT(gparent, field); \ if (tmp && RB_COLOR(tmp, field) == RB_RED) { \ RB_COLOR(tmp, field) = RB_BLACK; \ RB_SET_BLACKRED(parent, gparent, field);\ elm = gparent; \ continue; \ } \ if (RB_RIGHT(parent, field) == elm) { \ RB_ROTATE_LEFT(head, parent, tmp, field);\ tmp = parent; \ parent = elm; \ elm = tmp; \ } \ RB_SET_BLACKRED(parent, gparent, field); \ RB_ROTATE_RIGHT(head, gparent, tmp, field); \ } else { \ tmp = RB_LEFT(gparent, field); \ if (tmp && RB_COLOR(tmp, field) == RB_RED) { \ RB_COLOR(tmp, field) = RB_BLACK; \ RB_SET_BLACKRED(parent, gparent, field);\ elm = gparent; \ continue; \ } \ if (RB_LEFT(parent, field) == elm) { \ RB_ROTATE_RIGHT(head, parent, tmp, field);\ tmp = parent; \ parent = elm; \ elm = tmp; \ } \ RB_SET_BLACKRED(parent, gparent, field); \ RB_ROTATE_LEFT(head, gparent, tmp, field); \ } \ } \ RB_COLOR(head->rbh_root, field) = RB_BLACK; \ } \ \ void \ name##_RB_REMOVE_COLOR(struct name *head, struct type *parent, struct type *elm) \ { \ struct type *tmp; \ while ((elm == NULL || RB_COLOR(elm, field) == RB_BLACK) && \ elm != RB_ROOT(head)) { \ if (RB_LEFT(parent, field) == elm) { \ tmp = RB_RIGHT(parent, field); \ if (RB_COLOR(tmp, field) == RB_RED) { \ RB_SET_BLACKRED(tmp, parent, field); \ RB_ROTATE_LEFT(head, parent, tmp, field);\ tmp = RB_RIGHT(parent, field); \ } \ if ((RB_LEFT(tmp, field) == NULL || \ RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) &&\ (RB_RIGHT(tmp, field) == NULL || \ RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK)) {\ RB_COLOR(tmp, field) = RB_RED; \ elm = parent; \ parent = RB_PARENT(elm, field); \ } else { \ if (RB_RIGHT(tmp, field) == NULL || \ RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK) {\ struct type *oleft; \ if ((oleft = RB_LEFT(tmp, field)))\ RB_COLOR(oleft, field) = RB_BLACK;\ RB_COLOR(tmp, field) = RB_RED; \ RB_ROTATE_RIGHT(head, tmp, oleft, field);\ tmp = RB_RIGHT(parent, field); \ } \ RB_COLOR(tmp, field) = RB_COLOR(parent, field);\ RB_COLOR(parent, field) = RB_BLACK; \ if (RB_RIGHT(tmp, field)) \ RB_COLOR(RB_RIGHT(tmp, field), field) = RB_BLACK;\ RB_ROTATE_LEFT(head, parent, tmp, field);\ elm = RB_ROOT(head); \ break; \ } \ } else { \ tmp = RB_LEFT(parent, field); \ if (RB_COLOR(tmp, field) == RB_RED) { \ RB_SET_BLACKRED(tmp, parent, field); \ RB_ROTATE_RIGHT(head, parent, tmp, field);\ tmp = RB_LEFT(parent, field); \ } \ if ((RB_LEFT(tmp, field) == NULL || \ RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) &&\ (RB_RIGHT(tmp, field) == NULL || \ RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK)) {\ RB_COLOR(tmp, field) = RB_RED; \ elm = parent; \ parent = RB_PARENT(elm, field); \ } else { \ if (RB_LEFT(tmp, field) == NULL || \ RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) {\ struct type *oright; \ if ((oright = RB_RIGHT(tmp, field)))\ RB_COLOR(oright, field) = RB_BLACK;\ RB_COLOR(tmp, field) = RB_RED; \ RB_ROTATE_LEFT(head, tmp, oright, field);\ tmp = RB_LEFT(parent, field); \ } \ RB_COLOR(tmp, field) = RB_COLOR(parent, field);\ RB_COLOR(parent, field) = RB_BLACK; \ if (RB_LEFT(tmp, field)) \ RB_COLOR(RB_LEFT(tmp, field), field) = RB_BLACK;\ RB_ROTATE_RIGHT(head, parent, tmp, field);\ elm = RB_ROOT(head); \ break; \ } \ } \ } \ if (elm) \ RB_COLOR(elm, field) = RB_BLACK; \ } \ \ struct type * \ name##_RB_REMOVE(struct name *head, struct type *elm) \ { \ struct type *child, *parent, *old = elm; \ int color; \ if (RB_LEFT(elm, field) == NULL) \ child = RB_RIGHT(elm, field); \ else if (RB_RIGHT(elm, field) == NULL) \ child = RB_LEFT(elm, field); \ else { \ struct type *left; \ elm = RB_RIGHT(elm, field); \ while ((left = RB_LEFT(elm, field))) \ elm = left; \ child = RB_RIGHT(elm, field); \ parent = RB_PARENT(elm, field); \ color = RB_COLOR(elm, field); \ if (child) \ RB_PARENT(child, field) = parent; \ if (parent) { \ if (RB_LEFT(parent, field) == elm) \ RB_LEFT(parent, field) = child; \ else \ RB_RIGHT(parent, field) = child; \ RB_AUGMENT(parent); \ } else \ RB_ROOT(head) = child; \ if (RB_PARENT(elm, field) == old) \ parent = elm; \ (elm)->field = (old)->field; \ if (RB_PARENT(old, field)) { \ if (RB_LEFT(RB_PARENT(old, field), field) == old)\ RB_LEFT(RB_PARENT(old, field), field) = elm;\ else \ RB_RIGHT(RB_PARENT(old, field), field) = elm;\ RB_AUGMENT(RB_PARENT(old, field)); \ } else \ RB_ROOT(head) = elm; \ RB_PARENT(RB_LEFT(old, field), field) = elm; \ if (RB_RIGHT(old, field)) \ RB_PARENT(RB_RIGHT(old, field), field) = elm; \ if (parent) { \ left = parent; \ do { \ RB_AUGMENT(left); \ } while ((left = RB_PARENT(left, field))); \ } \ goto color; \ } \ parent = RB_PARENT(elm, field); \ color = RB_COLOR(elm, field); \ if (child) \ RB_PARENT(child, field) = parent; \ if (parent) { \ if (RB_LEFT(parent, field) == elm) \ RB_LEFT(parent, field) = child; \ else \ RB_RIGHT(parent, field) = child; \ RB_AUGMENT(parent); \ } else \ RB_ROOT(head) = child; \ color: \ if (color == RB_BLACK) \ name##_RB_REMOVE_COLOR(head, parent, child); \ return (old); \ } \ \ /* Inserts a node into the RB tree */ \ struct type * \ name##_RB_INSERT(struct name *head, struct type *elm) \ { \ struct type *tmp; \ struct type *parent = NULL; \ int comp = 0; \ tmp = RB_ROOT(head); \ while (tmp) { \ parent = tmp; \ comp = (cmp)(elm, parent); \ if (comp < 0) \ tmp = RB_LEFT(tmp, field); \ else if (comp > 0) \ tmp = RB_RIGHT(tmp, field); \ else \ return (tmp); \ } \ RB_SET(elm, parent, field); \ if (parent != NULL) { \ if (comp < 0) \ RB_LEFT(parent, field) = elm; \ else \ RB_RIGHT(parent, field) = elm; \ RB_AUGMENT(parent); \ } else \ RB_ROOT(head) = elm; \ name##_RB_INSERT_COLOR(head, elm); \ return (NULL); \ } \ \ /* Finds the node with the same key as elm */ \ struct type * \ name##_RB_FIND(struct name *head, struct type *elm) \ { \ struct type *tmp = RB_ROOT(head); \ int comp; \ while (tmp) { \ comp = cmp(elm, tmp); \ if (comp < 0) \ tmp = RB_LEFT(tmp, field); \ else if (comp > 0) \ tmp = RB_RIGHT(tmp, field); \ else \ return (tmp); \ } \ return (NULL); \ } \ \ struct type * \ name##_RB_NEXT(struct type *elm) \ { \ if (RB_RIGHT(elm, field)) { \ elm = RB_RIGHT(elm, field); \ while (RB_LEFT(elm, field)) \ elm = RB_LEFT(elm, field); \ } else { \ if (RB_PARENT(elm, field) && \ (elm == RB_LEFT(RB_PARENT(elm, field), field))) \ elm = RB_PARENT(elm, field); \ else { \ while (RB_PARENT(elm, field) && \ (elm == RB_RIGHT(RB_PARENT(elm, field), field)))\ elm = RB_PARENT(elm, field); \ elm = RB_PARENT(elm, field); \ } \ } \ return (elm); \ } \ \ struct type * \ name##_RB_MINMAX(struct name *head, int val) \ { \ struct type *tmp = RB_ROOT(head); \ struct type *parent = NULL; \ while (tmp) { \ parent = tmp; \ if (val < 0) \ tmp = RB_LEFT(tmp, field); \ else \ tmp = RB_RIGHT(tmp, field); \ } \ return (parent); \ } #define RB_NEGINF -1 #define RB_INF 1 #define RB_INSERT(name, x, y) name##_RB_INSERT(x, y) #define RB_REMOVE(name, x, y) name##_RB_REMOVE(x, y) #define RB_FIND(name, x, y) name##_RB_FIND(x, y) #define RB_NEXT(name, x, y) name##_RB_NEXT(y) #define RB_MIN(name, x) name##_RB_MINMAX(x, RB_NEGINF) #define RB_MAX(name, x) name##_RB_MINMAX(x, RB_INF) #define RB_FOREACH(x, name, head) \ for ((x) = RB_MIN(name, head); \ (x) != NULL; \ (x) = name##_RB_NEXT(x)) #endif /* _SYS_TREE_H_ */ lldpd-1.0.18/libevent/WIN32-Code/getopt.c0000644000076400001440000001020614111362571017066 0ustar00bernatusers/* $NetBSD: getopt.c,v 1.16 1999/12/02 13:15:56 kleink Exp $ */ /* * Copyright (c) 1987, 1993, 1994, 1995 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the names of the copyright holders nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #if 0 static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95"; #endif #include #include #include #include #define __P(x) x #define _DIAGASSERT(x) assert(x) #ifdef __weak_alias __weak_alias(getopt,_getopt); #endif int opterr = 1, /* if error message should be printed */ optind = 1, /* index into parent argv vector */ optopt, /* character checked for validity */ optreset; /* reset getopt */ char *optarg; /* argument associated with option */ static char * _progname __P((char *)); int getopt_internal __P((int, char * const *, const char *)); static char * _progname(nargv0) char * nargv0; { char * tmp; _DIAGASSERT(nargv0 != NULL); tmp = strrchr(nargv0, '/'); if (tmp) tmp++; else tmp = nargv0; return(tmp); } #define BADCH (int)'?' #define BADARG (int)':' #define EMSG "" /* * getopt -- * Parse argc/argv argument vector. */ int getopt(nargc, nargv, ostr) int nargc; char * const nargv[]; const char *ostr; { static char *__progname = 0; static char *place = EMSG; /* option letter processing */ char *oli; /* option letter list index */ __progname = __progname?__progname:_progname(*nargv); _DIAGASSERT(nargv != NULL); _DIAGASSERT(ostr != NULL); if (optreset || !*place) { /* update scanning pointer */ optreset = 0; if (optind >= nargc || *(place = nargv[optind]) != '-') { place = EMSG; return (-1); } if (place[1] && *++place == '-' /* found "--" */ && place[1] == '\0') { ++optind; place = EMSG; return (-1); } } /* option letter okay? */ if ((optopt = (int)*place++) == (int)':' || !(oli = strchr(ostr, optopt))) { /* * if the user didn't specify '-' as an option, * assume it means -1. */ if (optopt == (int)'-') return (-1); if (!*place) ++optind; if (opterr && *ostr != ':') (void)fprintf(stderr, "%s: illegal option -- %c\n", __progname, optopt); return (BADCH); } if (*++oli != ':') { /* don't need argument */ optarg = NULL; if (!*place) ++optind; } else { /* need an argument */ if (*place) /* no white space */ optarg = place; else if (nargc <= ++optind) { /* no arg */ place = EMSG; if (*ostr == ':') return (BADARG); if (opterr) (void)fprintf(stderr, "%s: option requires an argument -- %c\n", __progname, optopt); return (BADCH); } else /* white space */ optarg = nargv[optind]; place = EMSG; ++optind; } return (optopt); /* dump back option letter */ } lldpd-1.0.18/libevent/WIN32-Code/getopt_long.c0000644000076400001440000001424014111362571020107 0ustar00bernatusers /* * Copyright (c) 1987, 1993, 1994, 1996 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the names of the copyright holders nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include "getopt.h" extern int opterr; /* if error message should be printed */ extern int optind; /* index into parent argv vector */ extern int optopt; /* character checked for validity */ extern int optreset; /* reset getopt */ extern char *optarg; /* argument associated with option */ #define __P(x) x #define _DIAGASSERT(x) assert(x) static char * __progname __P((char *)); int getopt_internal __P((int, char * const *, const char *)); static char * __progname(nargv0) char * nargv0; { char * tmp; _DIAGASSERT(nargv0 != NULL); tmp = strrchr(nargv0, '/'); if (tmp) tmp++; else tmp = nargv0; return(tmp); } #define BADCH (int)'?' #define BADARG (int)':' #define EMSG "" /* * getopt -- * Parse argc/argv argument vector. */ int getopt_internal(nargc, nargv, ostr) int nargc; char * const *nargv; const char *ostr; { static char *place = EMSG; /* option letter processing */ char *oli; /* option letter list index */ _DIAGASSERT(nargv != NULL); _DIAGASSERT(ostr != NULL); if (optreset || !*place) { /* update scanning pointer */ optreset = 0; if (optind >= nargc || *(place = nargv[optind]) != '-') { place = EMSG; return (-1); } if (place[1] && *++place == '-') { /* found "--" */ /* ++optind; */ place = EMSG; return (-2); } } /* option letter okay? */ if ((optopt = (int)*place++) == (int)':' || !(oli = strchr(ostr, optopt))) { /* * if the user didn't specify '-' as an option, * assume it means -1. */ if (optopt == (int)'-') return (-1); if (!*place) ++optind; if (opterr && *ostr != ':') (void)fprintf(stderr, "%s: illegal option -- %c\n", __progname(nargv[0]), optopt); return (BADCH); } if (*++oli != ':') { /* don't need argument */ optarg = NULL; if (!*place) ++optind; } else { /* need an argument */ if (*place) /* no white space */ optarg = place; else if (nargc <= ++optind) { /* no arg */ place = EMSG; if ((opterr) && (*ostr != ':')) (void)fprintf(stderr, "%s: option requires an argument -- %c\n", __progname(nargv[0]), optopt); return (BADARG); } else /* white space */ optarg = nargv[optind]; place = EMSG; ++optind; } return (optopt); /* dump back option letter */ } #if 0 /* * getopt -- * Parse argc/argv argument vector. */ int getopt2(nargc, nargv, ostr) int nargc; char * const *nargv; const char *ostr; { int retval; if ((retval = getopt_internal(nargc, nargv, ostr)) == -2) { retval = -1; ++optind; } return(retval); } #endif /* * getopt_long -- * Parse argc/argv argument vector. */ int getopt_long(nargc, nargv, options, long_options, index) int nargc; char ** nargv; const char * options; const struct option * long_options; int * index; { int retval; _DIAGASSERT(nargv != NULL); _DIAGASSERT(options != NULL); _DIAGASSERT(long_options != NULL); /* index may be NULL */ if ((retval = getopt_internal(nargc, nargv, options)) == -2) { char *current_argv = nargv[optind++] + 2, *has_equal; int i, match = -1; size_t current_argv_len; if (*current_argv == '\0') { return(-1); } if ((has_equal = strchr(current_argv, '=')) != NULL) { current_argv_len = has_equal - current_argv; has_equal++; } else current_argv_len = strlen(current_argv); for (i = 0; long_options[i].name; i++) { if (strncmp(current_argv, long_options[i].name, current_argv_len)) continue; if (strlen(long_options[i].name) == current_argv_len) { match = i; break; } if (match == -1) match = i; } if (match != -1) { if (long_options[match].has_arg == required_argument || long_options[match].has_arg == optional_argument) { if (has_equal) optarg = has_equal; else optarg = nargv[optind++]; } if ((long_options[match].has_arg == required_argument) && (optarg == NULL)) { /* * Missing argument, leading : * indicates no error should be generated */ if ((opterr) && (*options != ':')) (void)fprintf(stderr, "%s: option requires an argument -- %s\n", __progname(nargv[0]), current_argv); return (BADARG); } } else { /* No matching argument */ if ((opterr) && (*options != ':')) (void)fprintf(stderr, "%s: illegal option -- %s\n", __progname(nargv[0]), current_argv); return (BADCH); } if (long_options[match].flag) { *long_options[match].flag = long_options[match].val; retval = 0; } else retval = long_options[match].val; if (index) *index = match; } return(retval); } lldpd-1.0.18/libevent/log-internal.h0000644000076400001440000000647714111362570016530 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef LOG_INTERNAL_H_INCLUDED_ #define LOG_INTERNAL_H_INCLUDED_ #include "event2/util.h" #ifdef __cplusplus extern "C" { #endif #ifdef __GNUC__ #define EV_CHECK_FMT(a,b) __attribute__((format(printf, a, b))) #define EV_NORETURN __attribute__((noreturn)) #else #define EV_CHECK_FMT(a,b) #define EV_NORETURN #endif #define EVENT_ERR_ABORT_ ((int)0xdeaddead) #if !defined(EVENT__DISABLE_DEBUG_MODE) || defined(USE_DEBUG) #define EVENT_DEBUG_LOGGING_ENABLED #endif #ifdef EVENT_DEBUG_LOGGING_ENABLED EVENT2_CORE_EXPORT_SYMBOL extern ev_uint32_t event_debug_logging_mask_; #define event_debug_get_logging_mask_() (event_debug_logging_mask_) #else #define event_debug_get_logging_mask_() (0) #endif EVENT2_EXPORT_SYMBOL void event_err(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN; EVENT2_EXPORT_SYMBOL void event_warn(const char *fmt, ...) EV_CHECK_FMT(1,2); EVENT2_EXPORT_SYMBOL void event_sock_err(int eval, evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(3,4) EV_NORETURN; EVENT2_EXPORT_SYMBOL void event_sock_warn(evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(2,3); EVENT2_EXPORT_SYMBOL void event_errx(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN; EVENT2_EXPORT_SYMBOL void event_warnx(const char *fmt, ...) EV_CHECK_FMT(1,2); EVENT2_EXPORT_SYMBOL void event_msgx(const char *fmt, ...) EV_CHECK_FMT(1,2); EVENT2_EXPORT_SYMBOL void event_debugx_(const char *fmt, ...) EV_CHECK_FMT(1,2); EVENT2_EXPORT_SYMBOL void event_logv_(int severity, const char *errstr, const char *fmt, va_list ap) EV_CHECK_FMT(3,0); #ifdef EVENT_DEBUG_LOGGING_ENABLED #define event_debug(x) do { \ if (event_debug_get_logging_mask_()) { \ event_debugx_ x; \ } \ } while (0) #else #define event_debug(x) ((void)0) #endif #undef EV_CHECK_FMT #ifdef __cplusplus } #endif #endif /* LOG_INTERNAL_H_INCLUDED_ */ lldpd-1.0.18/libevent/mm-internal.h0000644000076400001440000000665514111362570016356 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef MM_INTERNAL_H_INCLUDED_ #define MM_INTERNAL_H_INCLUDED_ #include #ifdef __cplusplus extern "C" { #endif #ifndef EVENT__DISABLE_MM_REPLACEMENT /* Internal use only: Memory allocation functions. We give them nice short * mm_names for our own use, but make sure that the symbols have longer names * so they don't conflict with other libraries (like, say, libmm). */ /** Allocate uninitialized memory. * * @return On success, return a pointer to sz newly allocated bytes. * On failure, set errno to ENOMEM and return NULL. * If the argument sz is 0, simply return NULL. */ EVENT2_EXPORT_SYMBOL void *event_mm_malloc_(size_t sz); /** Allocate memory initialized to zero. * * @return On success, return a pointer to (count * size) newly allocated * bytes, initialized to zero. * On failure, or if the product would result in an integer overflow, * set errno to ENOMEM and return NULL. * If either arguments are 0, simply return NULL. */ EVENT2_EXPORT_SYMBOL void *event_mm_calloc_(size_t count, size_t size); /** Duplicate a string. * * @return On success, return a pointer to a newly allocated duplicate * of a string. * Set errno to ENOMEM and return NULL if a memory allocation error * occurs (or would occur) in the process. * If the argument str is NULL, set errno to EINVAL and return NULL. */ EVENT2_EXPORT_SYMBOL char *event_mm_strdup_(const char *str); EVENT2_EXPORT_SYMBOL void *event_mm_realloc_(void *p, size_t sz); EVENT2_EXPORT_SYMBOL void event_mm_free_(void *p); #define mm_malloc(sz) event_mm_malloc_(sz) #define mm_calloc(count, size) event_mm_calloc_((count), (size)) #define mm_strdup(s) event_mm_strdup_(s) #define mm_realloc(p, sz) event_mm_realloc_((p), (sz)) #define mm_free(p) event_mm_free_(p) #else #define mm_malloc(sz) malloc(sz) #define mm_calloc(n, sz) calloc((n), (sz)) #define mm_strdup(s) strdup(s) #define mm_realloc(p, sz) realloc((p), (sz)) #define mm_free(p) free(p) #endif #ifdef __cplusplus } #endif #endif lldpd-1.0.18/libevent/README.md0000644000076400001440000002550214111362570015231 0ustar00bernatusers

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[![Appveyor Win32 Build Status](https://ci.appveyor.com/api/projects/status/ng3jg0uhy44mp7ik?svg=true)](https://ci.appveyor.com/project/libevent/libevent) [![Travis Build Status](https://travis-ci.org/libevent/libevent.svg?branch=master)](https://travis-ci.org/libevent/libevent) [![Coverage Status](https://coveralls.io/repos/github/libevent/libevent/badge.svg)](https://coveralls.io/github/libevent/libevent) [![Join the chat at https://gitter.im/libevent/libevent](https://badges.gitter.im/libevent/libevent.svg)](https://gitter.im/libevent/libevent?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) # 0. BUILDING AND INSTALLATION (Briefly) ## Autoconf $ ./configure $ make $ make verify # (optional) $ sudo make install ## CMake (General) The following Libevent specific CMake variables are as follows (the values being the default). ``` # Type of the library to build (SHARED or STATIC) # Default is: SHARED for MSVC, otherwise BOTH EVENT__LIBRARY_TYPE:STRING=DEFAULT # Installation directory for CMake files EVENT_INSTALL_CMAKE_DIR:PATH=lib/cmake/libevent # Enable running gcov to get a test coverage report (only works with # GCC/CLang). Make sure to enable -DCMAKE_BUILD_TYPE=Debug as well. EVENT__COVERAGE:BOOL=OFF # Defines if Libevent should build without the benchmark executables EVENT__DISABLE_BENCHMARK:BOOL=OFF # Define if Libevent should build without support for a debug mode EVENT__DISABLE_DEBUG_MODE:BOOL=OFF # Define if Libevent should not allow replacing the mm functions EVENT__DISABLE_MM_REPLACEMENT:BOOL=OFF # Define if Libevent should build without support for OpenSSL encryption EVENT__DISABLE_OPENSSL:BOOL=OFF # Disable the regress tests EVENT__DISABLE_REGRESS:BOOL=OFF # Disable sample files EVENT__DISABLE_SAMPLES:BOOL=OFF # If tests should be compiled or not EVENT__DISABLE_TESTS:BOOL=OFF # Define if Libevent should not be compiled with thread support EVENT__DISABLE_THREAD_SUPPORT:BOOL=OFF # Enables verbose debugging EVENT__ENABLE_VERBOSE_DEBUG:BOOL=OFF # When cross compiling, forces running a test program that verifies that Kqueue # works with pipes. Note that this requires you to manually run the test program # on the the cross compilation target to verify that it works. See CMake # documentation for try_run for more details EVENT__FORCE_KQUEUE_CHECK:BOOL=OFF ``` __More variables can be found by running `cmake -LAH `__ ## CMake (Windows) Install CMake: $ md build && cd build $ cmake -G "Visual Studio 10" .. # Or whatever generator you want to use cmake --help for a list. $ start libevent.sln ## CMake (Unix) $ mkdir build && cd build $ cmake .. # Default to Unix Makefiles. $ make $ make verify # (optional) # 1. BUILDING AND INSTALLATION (In Depth) ## Autoconf To build Libevent, type $ ./configure && make (If you got Libevent from the git repository, you will first need to run the included "autogen.sh" script in order to generate the configure script.) You can run the regression tests by running $ make verify Install as root via $ make install Before reporting any problems, please run the regression tests. To enable low-level tracing, build the library as: $ CFLAGS=-DUSE_DEBUG ./configure [...] Standard configure flags should work. In particular, see: --disable-shared Only build static libraries. --prefix Install all files relative to this directory. The configure script also supports the following flags: --enable-gcc-warnings Enable extra compiler checking with GCC. --disable-malloc-replacement Don't let applications replace our memory management functions. --disable-openssl Disable support for OpenSSL encryption. --disable-thread-support Don't support multithreaded environments. ## CMake (Windows) (Note that autoconf is currently the most mature and supported build environment for Libevent; the CMake instructions here are new and experimental, though they _should_ be solid. We hope that CMake will still be supported in future versions of Libevent, and will try to make sure that happens.) First of all install . To build Libevent using Microsoft Visual studio open the "Visual Studio Command prompt" and type: ``` $ cd $ mkdir build && cd build $ cmake -G "Visual Studio 10" .. # Or whatever generator you want to use cmake --help for a list. $ start libevent.sln ``` In the above, the ".." refers to the dir containing the Libevent source code. You can build multiple versions (with different compile time settings) from the same source tree by creating other build directories. It is highly recommended to build "out of source" when using CMake instead of "in source" like the normal behaviour of autoconf for this reason. The "NMake Makefiles" CMake generator can be used to build entirely via the command line. To get a list of settings available for the project you can type: ``` $ cmake -LH .. ``` ### GUI CMake also provides a GUI that lets you specify the source directory and output (binary) directory that the build should be placed in. # 2. USEFUL LINKS: For the latest released version of Libevent, see the official website at . There's a pretty good work-in-progress manual up at . For the latest development versions of Libevent, access our Git repository via ``` $ git clone https://github.com/libevent/libevent.git ``` You can browse the git repository online at: To report bugs, issues, or ask for new features: __Patches__: https://github.com/libevent/libevent/pulls > OK, those are not really _patches_. You fork, modify, and hit the "Create Pull Request" button. > You can still submit normal git patches via the mailing list. __Bugs, Features [RFC], and Issues__: https://github.com/libevent/libevent/issues > Or you can do it via the mailing list. There's also a libevent-users mailing list for talking about Libevent use and development: # 3. ACKNOWLEDGMENTS The following people have helped with suggestions, ideas, code or fixing bugs: * Samy Al Bahra * Antony Antony * Jacob Appelbaum * Arno Bakker * Weston Andros Adamson * William Ahern * Ivan Andropov * Sergey Avseyev * Avi Bab * Joachim Bauch * Andrey Belobrov * Gilad Benjamini * Stas Bekman * Denis Bilenko * Julien Blache * Kevin Bowling * Tomash Brechko * Kelly Brock * Ralph Castain * Adrian Chadd * Lawnstein Chan * Shuo Chen * Ka-Hing Cheung * Andrew Cox * Paul Croome * George Danchev * Andrew Danforth * Ed Day * Christopher Davis * Mike Davis * Frank Denis * Antony Dovgal * Mihai Draghicioiu * Alexander Drozdov * Mark Ellzey * Shie Erlich * Leonid Evdokimov * Juan Pablo Fernandez * Christophe Fillot * Mike Frysinger * Remi Gacogne * Artem Germanov * Alexander von Gernler * Diego Giagio * Artur Grabowski * Diwaker Gupta * Kuldeep Gupta * Sebastian Hahn * Dave Hart * Greg Hazel * Nicholas Heath * Michael Herf * Savg He * Mark Heily * Maxime Henrion * Michael Herf * Greg Hewgill * Andrew Hochhaus * Aaron Hopkins * Tani Hosokawa * Jamie Iles * Xiuqiang Jiang * Claudio Jeker * Evan Jones * Marcin Juszkiewicz * George Kadianakis * Makoto Kato * Phua Keat * Azat Khuzhin * Alexander Klauer * Kevin Ko * Brian Koehmstedt * Marko Kreen * Ondřej Kuzník * Valery Kyholodov * Ross Lagerwall * Scott Lamb * Christopher Layne * Adam Langley * Graham Leggett * Volker Lendecke * Philip Lewis * Zhou Li * David Libenzi * Yan Lin * Moshe Litvin * Simon Liu * Mitchell Livingston * Hagne Mahre * Lubomir Marinov * Abilio Marques * Nicolas Martyanoff * Abel Mathew * Nick Mathewson * James Mansion * Nicholas Marriott * Andrey Matveev * Caitlin Mercer * Dagobert Michelsen * Andrea Montefusco * Mansour Moufid * Mina Naguib * Felix Nawothnig * Trond Norbye * Linus Nordberg * Richard Nyberg * Jon Oberheide * John Ohl * Phil Oleson * Alexey Ozeritsky * Dave Pacheco * Derrick Pallas * Tassilo von Parseval * Catalin Patulea * Patrick Pelletier * Simon Perreault * Dan Petro * Pierre Phaneuf * Amarin Phaosawasdi * Ryan Phillips * Dimitre Piskyulev * Pavel Plesov * Jon Poland * Roman Puls * Nate R * Robert Ransom * Balint Reczey * Bert JW Regeer * Nate Rosenblum * Peter Rosin * Maseeb Abdul Qadir * Wang Qin * Alex S * Gyepi Sam * Hanna Schroeter * Ralf Schmitt * Mike Smellie * Steve Snyder * Nir Soffer * Dug Song * Dongsheng Song * Hannes Sowa * Joakim Soderberg * Joseph Spadavecchia * Kevin Springborn * Harlan Stenn * Andrew Sweeney * Ferenc Szalai * Brodie Thiesfield * Jason Toffaletti * Brian Utterback * Gisle Vanem * Bas Verhoeven * Constantine Verutin * Colin Watt * Zack Weinberg * Jardel Weyrich * Jay R. Wren * Zack Weinberg * Mobai Zhang * Alejo * Alex * Taral * propanbutan * masksqwe * mmadia * yangacer * Andrey Skriabin * basavesh.as * billsegall * Bill Vaughan * Christopher Wiley * David Paschich * Ed Schouten * Eduardo Panisset * Jan Heylen * jer-gentoo * Joakim Söderberg * kirillDanshin * lzmths * Marcus Sundberg * Mark Mentovai * Mattes D * Matyas Dolak * Neeraj Badlani * Nick Mathewson * Rainer Keller * Seungmo Koo * Thomas Bernard * Xiao Bao Clark * zeliard * Zonr Chang * Kurt Roeckx * Seven * Simone Basso * Vlad Shcherban * Tim Hentenaar * Breaker * johnsonlee * Philip Prindeville * Vis Virial * Andreas Gustafsson * Andrey Okoshkin * an-tao * baixiangcpp * Bernard Spil * Bogdan Harjoc * Carlo Marcelo Arenas Belón * David Benjamin * David Disseldorp * Dmitry Alimov * Dominic Chen * dpayne * ejurgensen * Fredrik Strupe * Gonçalo Ribeiro * James Synge * Jan Beich * Jesse Fang * Jiri Luznicky * José Luis Millán * Kiyoshi Aman * Leo Zhang * lightningkay * Luke Dashjr * Marcin Szewczyk * Maximilian Brunner * Maya Rashish * Murat Demirten * Nathan French * Nikolay Edigaryev * Philip Herron * Redfoxmoon * stenn * SuckShit * The Gitter Badger * tim-le * Vincent JARDIN * Xiang Zhang * Xiaozhou Liu * yongqing.jiao * Enji Cooper * linxiaohui * Seong-Joong Kim * Tobias Stoeckmann * Yury Korzhetsky * zhuizhuhaomeng * Pierce Lopez * yuangongji * Keith Smiley * jeremyerb * Fabrice Fontaine * wenyg * Aleksandr-Melnikov * ayuseleznev * chenguolong * Dimo Markov * dota17 * fanquake * Jan Kasiak * Kamil Rytarowski * Mario Emmenlauer * Michael Davidsaver * mohuang * Nick Grifka * Nicolas J. Bouliane * Paul Osborne * Philip Homburg * Wataru Ashihara * William A Rowe Jr * yangyongsheng If we have forgotten your name, please contact us. lldpd-1.0.18/libevent/http-internal.h0000644000076400001440000001350714111362570016716 0ustar00bernatusers/* * Copyright 2001-2007 Niels Provos * Copyright 2007-2012 Niels Provos and Nick Mathewson * * This header file contains definitions for dealing with HTTP requests * that are internal to libevent. As user of the library, you should not * need to know about these. */ #ifndef HTTP_INTERNAL_H_INCLUDED_ #define HTTP_INTERNAL_H_INCLUDED_ #include "event2/event_struct.h" #include "util-internal.h" #include "defer-internal.h" #define HTTP_CONNECT_TIMEOUT 45 #define HTTP_WRITE_TIMEOUT 50 #define HTTP_READ_TIMEOUT 50 enum message_read_status { ALL_DATA_READ = 1, MORE_DATA_EXPECTED = 0, DATA_CORRUPTED = -1, REQUEST_CANCELED = -2, DATA_TOO_LONG = -3 }; struct evbuffer; struct addrinfo; struct evhttp_request; /* Indicates an unknown request method. */ #define EVHTTP_REQ_UNKNOWN_ (1<<15) enum evhttp_connection_state { EVCON_DISCONNECTED, /**< not currently connected not trying either*/ EVCON_CONNECTING, /**< tries to currently connect */ EVCON_IDLE, /**< connection is established */ EVCON_READING_FIRSTLINE,/**< reading Request-Line (incoming conn) or **< Status-Line (outgoing conn) */ EVCON_READING_HEADERS, /**< reading request/response headers */ EVCON_READING_BODY, /**< reading request/response body */ EVCON_READING_TRAILER, /**< reading request/response chunked trailer */ EVCON_WRITING /**< writing request/response headers/body */ }; struct event_base; /* A client or server connection. */ struct evhttp_connection { /* we use this tailq only if this connection was created for an http * server */ TAILQ_ENTRY(evhttp_connection) next; evutil_socket_t fd; struct bufferevent *bufev; struct event retry_ev; /* for retrying connects */ char *bind_address; /* address to use for binding the src */ ev_uint16_t bind_port; /* local port for binding the src */ char *address; /* address to connect to */ ev_uint16_t port; size_t max_headers_size; ev_uint64_t max_body_size; int flags; #define EVHTTP_CON_INCOMING 0x0001 /* only one request on it ever */ #define EVHTTP_CON_OUTGOING 0x0002 /* multiple requests possible */ #define EVHTTP_CON_CLOSEDETECT 0x0004 /* detecting if persistent close */ /* set when we want to auto free the connection */ #define EVHTTP_CON_AUTOFREE EVHTTP_CON_PUBLIC_FLAGS_END /* Installed when attempt to read HTTP error after write failed, see * EVHTTP_CON_READ_ON_WRITE_ERROR */ #define EVHTTP_CON_READING_ERROR (EVHTTP_CON_AUTOFREE << 1) struct timeval timeout; /* timeout for events */ int retry_cnt; /* retry count */ int retry_max; /* maximum number of retries */ struct timeval initial_retry_timeout; /* Timeout for low long to wait * after first failing attempt * before retry */ enum evhttp_connection_state state; /* for server connections, the http server they are connected with */ struct evhttp *http_server; TAILQ_HEAD(evcon_requestq, evhttp_request) requests; void (*cb)(struct evhttp_connection *, void *); void *cb_arg; void (*closecb)(struct evhttp_connection *, void *); void *closecb_arg; struct event_callback read_more_deferred_cb; struct event_base *base; struct evdns_base *dns_base; int ai_family; }; /* A callback for an http server */ struct evhttp_cb { TAILQ_ENTRY(evhttp_cb) next; char *what; void (*cb)(struct evhttp_request *req, void *); void *cbarg; }; /* both the http server as well as the rpc system need to queue connections */ TAILQ_HEAD(evconq, evhttp_connection); /* each bound socket is stored in one of these */ struct evhttp_bound_socket { TAILQ_ENTRY(evhttp_bound_socket) next; struct evconnlistener *listener; }; /* server alias list item. */ struct evhttp_server_alias { TAILQ_ENTRY(evhttp_server_alias) next; char *alias; /* the server alias. */ }; struct evhttp { /* Next vhost, if this is a vhost. */ TAILQ_ENTRY(evhttp) next_vhost; /* All listeners for this host */ TAILQ_HEAD(boundq, evhttp_bound_socket) sockets; TAILQ_HEAD(httpcbq, evhttp_cb) callbacks; /* All live connections on this host. */ struct evconq connections; TAILQ_HEAD(vhostsq, evhttp) virtualhosts; TAILQ_HEAD(aliasq, evhttp_server_alias) aliases; /* NULL if this server is not a vhost */ char *vhost_pattern; struct timeval timeout; size_t default_max_headers_size; ev_uint64_t default_max_body_size; int flags; const char *default_content_type; /* Bitmask of all HTTP methods that we accept and pass to user * callbacks. */ ev_uint16_t allowed_methods; /* Fallback callback if all the other callbacks for this connection don't match. */ void (*gencb)(struct evhttp_request *req, void *); void *gencbarg; struct bufferevent* (*bevcb)(struct event_base *, void *); void *bevcbarg; struct event_base *base; }; /* XXX most of these functions could be static. */ /* resets the connection; can be reused for more requests */ void evhttp_connection_reset_(struct evhttp_connection *); /* connects if necessary */ int evhttp_connection_connect_(struct evhttp_connection *); enum evhttp_request_error; /* notifies the current request that it failed; resets connection */ EVENT2_EXPORT_SYMBOL void evhttp_connection_fail_(struct evhttp_connection *, enum evhttp_request_error error); enum message_read_status; EVENT2_EXPORT_SYMBOL enum message_read_status evhttp_parse_firstline_(struct evhttp_request *, struct evbuffer*); EVENT2_EXPORT_SYMBOL enum message_read_status evhttp_parse_headers_(struct evhttp_request *, struct evbuffer*); void evhttp_start_read_(struct evhttp_connection *); void evhttp_start_write_(struct evhttp_connection *); /* response sending HTML the data in the buffer */ void evhttp_response_code_(struct evhttp_request *, int, const char *); void evhttp_send_page_(struct evhttp_request *, struct evbuffer *); EVENT2_EXPORT_SYMBOL int evhttp_decode_uri_internal(const char *uri, size_t length, char *ret, int decode_plus); #endif /* HTTP_INTERNAL_H_INCLUDED_ */ lldpd-1.0.18/libevent/evconfig-private.h.in0000644000076400001440000000252414111362570017777 0ustar00bernatusers/* evconfig-private.h template - see "Configuration Header Templates" */ /* in AC manual. Kevin Bowling directly o switch all uses of [v]snprintf over to evutil o Correct handling of trailing headers in chunked replies; from Scott Lamb. o Support multi-line HTTP headers; based on a patch from Moshe Litvin o Reject negative Content-Length headers; anonymous bug report o Detect CLOCK_MONOTONIC at runtime for evdns; anonymous bug report o Fix a bug where deleting signals with the kqueue backend would cause subsequent adds to fail o Support multiple events listening on the same signal; make signals regular events that go on the same event queue; problem report by Alexander Drozdov. o Deal with evbuffer_read() returning -1 on EINTR|EAGAIN; from Adam Langley. o Fix a bug in which the DNS server would incorrectly set the type of a cname reply to a. o Fix a bug where setting the timeout on a bufferevent would take not effect if the event was already pending. o Fix a memory leak when using signals for some event bases; reported by Alexander Drozdov. o Add libevent.vcproj file to distribution to help with Windows build. o Fix a problem with epoll() and reinit; problem report by Alexander Drozdov. o Fix off-by-one errors in devpoll; from Ian Bell o Make event_add not change any state if it fails; reported by Ian Bell. o Do not warn on accept when errno is either EAGAIN or EINTR Changes in 1.4.5-stable: o Fix connection keep-alive behavior for HTTP/1.0 o Fix use of freed memory in event_reinit; pointed out by Peter Postma o Constify struct timeval * where possible; pointed out by Forest Wilkinson o allow min_heap_erase to be called on removed members; from liusifan. o Rename INPUT and OUTPUT to EVRPC_INPUT and EVRPC_OUTPUT. Retain INPUT/OUTPUT aliases on on-win32 platforms for backwards compatibility. o Do not use SO_REUSEADDR when connecting o Fix Windows build o Fix a bug in event_rpcgen when generated fixed-sized entries Changes in 1.4.4-stable: o Correct the documentation on buffer printf functions. o Don't warn on unimplemented epoll_create(): this isn't a problem, just a reason to fall back to poll or select. o Correctly handle timeouts larger than 35 minutes on Linux with epoll.c. This is probably a kernel defect, but we'll have to support old kernels anyway even if it gets fixed. o Fix a potential stack corruption bug in tagging on 64-bit CPUs. o expose bufferevent_setwatermark via header files and fix high watermark on read o fix a bug in bufferevent read water marks and add a test for them o introduce bufferevent_setcb and bufferevent_setfd to allow better manipulation of bufferevents o use libevent's internal timercmp on all platforms, to avoid bugs on old platforms where timercmp(a,b,<=) is buggy. o reduce system calls for getting current time by caching it. o fix evhttp_bind_socket() so that multiple sockets can be bound by the same http server. o Build test directory correctly with CPPFLAGS set. o Fix build under Visual C++ 2005. o Expose evhttp_accept_socket() API. o Merge windows gettimeofday() replacement into a new evutil_gettimeofday() function. o Fix autoconf script behavior on IRIX. o Make sure winsock2.h include always comes before windows.h include. Changes in 1.4.3-stable: o include Content-Length in reply for HTTP/1.0 requests with keep-alive o Patch from Tani Hosokawa: make some functions in http.c threadsafe. o Do not free the kqop file descriptor in other processes, also allow it to be 0; from Andrei Nigmatulin o make event_rpcgen.py generate code include event-config.h; reported by Sam Banks. o make event methods static so that they are not exported; from Andrei Nigmatulin o make RPC replies use application/octet-stream as mime type o do not delete uninitialized timeout event in evdns Changes in 1.4.2-rc: o remove pending timeouts on event_base_free() o also check EAGAIN for Solaris' event ports; from W.C.A. Wijngaards o devpoll and evport need reinit; tested by W.C.A Wijngaards o event_base_get_method; from Springande Ulv o Send CRLF after each chunk in HTTP output, for compliance with RFC2626. Patch from "propanbutan". Fixes bug 1894184. o Add a int64_t parsing function, with unit tests, so we can apply Scott Lamb's fix to allow large HTTP values. o Use a 64-bit field to hold HTTP content-lengths. Patch from Scott Lamb. o Allow regression code to build even without Python installed o remove NDEBUG ifdefs from evdns.c o update documentation of event_loop and event_base_loop; from Tani Hosokawa. o detect integer types properly on platforms without stdint.h o Remove "AM_MAINTAINER_MODE" declaration in configure.in: now makefiles and configure should get re-generated automatically when Makefile.am or configure.in chanes. o do not insert event into list when evsel->add fails Changes in 1.4.1-beta: o free minheap on event_base_free(); from Christopher Layne o debug cleanups in signal.c; from Christopher Layne o provide event_base_new() that does not set the current_base global o bufferevent_write now uses a const source argument; report from Charles Kerr o better documentation for event_base_loopexit; from Scott Lamb. o Make kqueue have the same behavior as other backends when a signal is caught between event_add() and event_loop(). Previously, it would catch and ignore such signals. o Make kqueue restore signal handlers correctly when event_del() is called. o provide event_reinit() to reintialize an event_base after fork o small improvements to evhttp documentation o always generate Date and Content-Length headers for HTTP/1.1 replies o set the correct event base for HTTP close events o New function, event_{base_}loopbreak. Like event_loopexit, it makes an event loop stop executing and return. Unlike event_loopexit, it keeps subsequent pending events from getting executed. Patch from Scott Lamb o Removed obsoleted recalc code o pull setters/getters out of RPC structures into a base class to which we just need to store a pointer; this reduces the memory footprint of these structures. o fix a bug with event_rpcgen for integers o move EV_PERSIST handling out of the event backends o support for 32-bit tag numbers in rpc structures; this is wire compatible, but changes the API slightly. o prefix {encode,decode}_tag functions with evtag to avoid collisions o Correctly handle DNS replies with no answers set (Fixes bug 1846282) o The configure script now takes an --enable-gcc-warnings option that turns on many optional gcc warnings. (Nick has been building with these for a while, but they might be useful to other developers.) o When building with GCC, use the "format" attribute to verify type correctness of calls to printf-like functions. o removed linger from http server socket; reported by Ilya Martynov o allow \r or \n individually to separate HTTP headers instead of the standard "\r\n"; from Charles Kerr. o demote most http warnings to debug messages o Fix Solaris compilation; from Magne Mahre o Add a "Date" header to HTTP responses, as required by HTTP 1.1. o Support specifying the local address of an evhttp_connection using set_local_address o Fix a memory leak in which failed HTTP connections would not free the request object o Make adding of array members in event_rpcgen more efficient, but doubling memory allocation o Fix a memory leak in the DNS server o Fix compilation when DNS_USE_OPENSSL_FOR_ID is enabled o Fix buffer size and string generation in evdns_resolve_reverse_ipv6(). o Respond to nonstandard DNS queries with "NOTIMPL" rather than by ignoring them. o In DNS responses, the CD flag should be preserved, not the TC flag. o Fix http.c to compile properly with USE_DEBUG; from Christopher Layne o Handle NULL timeouts correctly on Solaris; from Trond Norbye o Recalculate pending events properly when reallocating event array on Solaris; from Trond Norbye o Add Doxygen documentation to header files; from Mark Heily o Add a evdns_set_transaction_id_fn() function to override the default transaction ID generation code. o Add an evutil module (with header evutil.h) to implement our standard cross-platform hacks, on the theory that somebody else would like to use them too. o Fix signals implementation on windows. o Fix http module on windows to close sockets properly. o Make autogen.sh script run correctly on systems where /bin/sh isn't bash. (Patch from Trond Norbye, rewritten by Hagne Mahre and then Hannah Schroeter.) o Skip calling gettime() in timeout_process if we are not in fact waiting for any events. (Patch from Trond Norbye) o Make test subdirectory compile under mingw. o Fix win32 buffer.c behavior so that it is correct for sockets (which do not like ReadFile and WriteFile). o Make the test.sh script run unit tests for the evpoll method. o Make the entire evdns.h header enclosed in "extern C" as appropriate. o Fix implementation of strsep on platforms that lack it o Fix implementation of getaddrinfo on platforms that lack it; mainly, this will make Windows http.c work better. Original patch by Lubomir Marinov. o Fix evport implementation: port_disassociate called on unassociated events resulting in bogus errors; more efficient memory management; from Trond Norbye and Prakash Sangappa o support for hooks on rpc input and output; can be used to implement rpc independent processing such as compression or authentication. o use a min heap instead of a red-black tree for timeouts; as a result finding the min is a O(1) operation now; from Maxim Yegorushkin o associate an event base with an rpc pool o added two additional libraries: libevent_core and libevent_extra in addition to the regular libevent. libevent_core contains only the event core whereas libevent_extra contains dns, http and rpc support o Begin using libtool's library versioning support correctly. If we don't mess up, this will more or less guarantee binaries linked against old versions of libevent continue working when we make changes to libevent that do not break backward compatibility. o Fix evhttp.h compilation when TAILQ_ENTRY is not defined. o Small code cleanups in epoll_dispatch(). o Increase the maximum number of addresses read from a packet in evdns to 32. o Remove support for the rtsig method: it hasn't compiled for a while, and nobody seems to miss it very much. Let us know if there's a good reason to put it back in. o Rename the "class" field in evdns_server_request to dns_question_class, so that it won't break compilation under C++. Use a macro so that old code won't break. Mark the macro as deprecated. o Fix DNS unit tests so that having a DNS server with broken IPv6 support is no longer cause for aborting the unit tests. o Make event_base_free() succeed even if there are pending non-internal events on a base. This may still leak memory and fds, but at least it no longer crashes. o Post-process the config.h file into a new, installed event-config.h file that we can install, and whose macros will be safe to include in header files. o Remove the long-deprecated acconfig.h file. o Do not require #include before #include . o Add new evutil_timer* functions to wrap (or replace) the regular timeval manipulation functions. o Fix many build issues when using the Microsoft C compiler. o Remove a bash-ism in autogen.sh o When calling event_del on a signal, restore the signal handler's previous value rather than setting it to SIG_DFL. Patch from Christopher Layne. o Make the logic for active events work better with internal events; patch from Christopher Layne. o We do not need to specially remove a timeout before calling event_del; patch from Christopher Layne. lldpd-1.0.18/libevent/compat/0000755000076400001440000000000014550773325015244 5ustar00bernatuserslldpd-1.0.18/libevent/compat/sys/0000755000076400001440000000000014550773325016062 5ustar00bernatuserslldpd-1.0.18/libevent/compat/sys/queue.h0000644000076400001440000004044214111362573017353 0ustar00bernatusers/* $OpenBSD: queue.h,v 1.16 2000/09/07 19:47:59 art Exp $ */ /* $NetBSD: queue.h,v 1.11 1996/05/16 05:17:14 mycroft Exp $ */ /* * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)queue.h 8.5 (Berkeley) 8/20/94 */ #ifndef SYS_QUEUE_H__ #define SYS_QUEUE_H__ /* * This file defines five types of data structures: singly-linked lists, * lists, simple queues, tail queues, and circular queues. * * * A singly-linked list is headed by a single forward pointer. The elements * are singly linked for minimum space and pointer manipulation overhead at * the expense of O(n) removal for arbitrary elements. New elements can be * added to the list after an existing element or at the head of the list. * Elements being removed from the head of the list should use the explicit * macro for this purpose for optimum efficiency. A singly-linked list may * only be traversed in the forward direction. Singly-linked lists are ideal * for applications with large datasets and few or no removals or for * implementing a LIFO queue. * * A list is headed by a single forward pointer (or an array of forward * pointers for a hash table header). The elements are doubly linked * so that an arbitrary element can be removed without a need to * traverse the list. New elements can be added to the list before * or after an existing element or at the head of the list. A list * may only be traversed in the forward direction. * * A simple queue is headed by a pair of pointers, one the head of the * list and the other to the tail of the list. The elements are singly * linked to save space, so elements can only be removed from the * head of the list. New elements can be added to the list before or after * an existing element, at the head of the list, or at the end of the * list. A simple queue may only be traversed in the forward direction. * * A tail queue is headed by a pair of pointers, one to the head of the * list and the other to the tail of the list. The elements are doubly * linked so that an arbitrary element can be removed without a need to * traverse the list. New elements can be added to the list before or * after an existing element, at the head of the list, or at the end of * the list. A tail queue may be traversed in either direction. * * A circle queue is headed by a pair of pointers, one to the head of the * list and the other to the tail of the list. The elements are doubly * linked so that an arbitrary element can be removed without a need to * traverse the list. New elements can be added to the list before or after * an existing element, at the head of the list, or at the end of the list. * A circle queue may be traversed in either direction, but has a more * complex end of list detection. * * For details on the use of these macros, see the queue(3) manual page. */ /* * Singly-linked List definitions. */ #define SLIST_HEAD(name, type) \ struct name { \ struct type *slh_first; /* first element */ \ } #define SLIST_HEAD_INITIALIZER(head) \ { NULL } #ifndef _WIN32 #define SLIST_ENTRY(type) \ struct { \ struct type *sle_next; /* next element */ \ } #endif /* * Singly-linked List access methods. */ #define SLIST_FIRST(head) ((head)->slh_first) #define SLIST_END(head) NULL #define SLIST_EMPTY(head) (SLIST_FIRST(head) == SLIST_END(head)) #define SLIST_NEXT(elm, field) ((elm)->field.sle_next) #define SLIST_FOREACH(var, head, field) \ for((var) = SLIST_FIRST(head); \ (var) != SLIST_END(head); \ (var) = SLIST_NEXT(var, field)) /* * Singly-linked List functions. */ #define SLIST_INIT(head) { \ SLIST_FIRST(head) = SLIST_END(head); \ } #define SLIST_INSERT_AFTER(slistelm, elm, field) do { \ (elm)->field.sle_next = (slistelm)->field.sle_next; \ (slistelm)->field.sle_next = (elm); \ } while (0) #define SLIST_INSERT_HEAD(head, elm, field) do { \ (elm)->field.sle_next = (head)->slh_first; \ (head)->slh_first = (elm); \ } while (0) #define SLIST_REMOVE_HEAD(head, field) do { \ (head)->slh_first = (head)->slh_first->field.sle_next; \ } while (0) /* * List definitions. */ #define LIST_HEAD(name, type) \ struct name { \ struct type *lh_first; /* first element */ \ } #define LIST_HEAD_INITIALIZER(head) \ { NULL } #define LIST_ENTRY(type) \ struct { \ struct type *le_next; /* next element */ \ struct type **le_prev; /* address of previous next element */ \ } /* * List access methods */ #define LIST_FIRST(head) ((head)->lh_first) #define LIST_END(head) NULL #define LIST_EMPTY(head) (LIST_FIRST(head) == LIST_END(head)) #define LIST_NEXT(elm, field) ((elm)->field.le_next) #define LIST_FOREACH(var, head, field) \ for((var) = LIST_FIRST(head); \ (var)!= LIST_END(head); \ (var) = LIST_NEXT(var, field)) /* * List functions. */ #define LIST_INIT(head) do { \ LIST_FIRST(head) = LIST_END(head); \ } while (0) #define LIST_INSERT_AFTER(listelm, elm, field) do { \ if (((elm)->field.le_next = (listelm)->field.le_next) != NULL) \ (listelm)->field.le_next->field.le_prev = \ &(elm)->field.le_next; \ (listelm)->field.le_next = (elm); \ (elm)->field.le_prev = &(listelm)->field.le_next; \ } while (0) #define LIST_INSERT_BEFORE(listelm, elm, field) do { \ (elm)->field.le_prev = (listelm)->field.le_prev; \ (elm)->field.le_next = (listelm); \ *(listelm)->field.le_prev = (elm); \ (listelm)->field.le_prev = &(elm)->field.le_next; \ } while (0) #define LIST_INSERT_HEAD(head, elm, field) do { \ if (((elm)->field.le_next = (head)->lh_first) != NULL) \ (head)->lh_first->field.le_prev = &(elm)->field.le_next;\ (head)->lh_first = (elm); \ (elm)->field.le_prev = &(head)->lh_first; \ } while (0) #define LIST_REMOVE(elm, field) do { \ if ((elm)->field.le_next != NULL) \ (elm)->field.le_next->field.le_prev = \ (elm)->field.le_prev; \ *(elm)->field.le_prev = (elm)->field.le_next; \ } while (0) #define LIST_REPLACE(elm, elm2, field) do { \ if (((elm2)->field.le_next = (elm)->field.le_next) != NULL) \ (elm2)->field.le_next->field.le_prev = \ &(elm2)->field.le_next; \ (elm2)->field.le_prev = (elm)->field.le_prev; \ *(elm2)->field.le_prev = (elm2); \ } while (0) /* * Simple queue definitions. */ #define SIMPLEQ_HEAD(name, type) \ struct name { \ struct type *sqh_first; /* first element */ \ struct type **sqh_last; /* addr of last next element */ \ } #define SIMPLEQ_HEAD_INITIALIZER(head) \ { NULL, &(head).sqh_first } #define SIMPLEQ_ENTRY(type) \ struct { \ struct type *sqe_next; /* next element */ \ } /* * Simple queue access methods. */ #define SIMPLEQ_FIRST(head) ((head)->sqh_first) #define SIMPLEQ_END(head) NULL #define SIMPLEQ_EMPTY(head) (SIMPLEQ_FIRST(head) == SIMPLEQ_END(head)) #define SIMPLEQ_NEXT(elm, field) ((elm)->field.sqe_next) #define SIMPLEQ_FOREACH(var, head, field) \ for((var) = SIMPLEQ_FIRST(head); \ (var) != SIMPLEQ_END(head); \ (var) = SIMPLEQ_NEXT(var, field)) /* * Simple queue functions. */ #define SIMPLEQ_INIT(head) do { \ (head)->sqh_first = NULL; \ (head)->sqh_last = &(head)->sqh_first; \ } while (0) #define SIMPLEQ_INSERT_HEAD(head, elm, field) do { \ if (((elm)->field.sqe_next = (head)->sqh_first) == NULL) \ (head)->sqh_last = &(elm)->field.sqe_next; \ (head)->sqh_first = (elm); \ } while (0) #define SIMPLEQ_INSERT_TAIL(head, elm, field) do { \ (elm)->field.sqe_next = NULL; \ *(head)->sqh_last = (elm); \ (head)->sqh_last = &(elm)->field.sqe_next; \ } while (0) #define SIMPLEQ_INSERT_AFTER(head, listelm, elm, field) do { \ if (((elm)->field.sqe_next = (listelm)->field.sqe_next) == NULL)\ (head)->sqh_last = &(elm)->field.sqe_next; \ (listelm)->field.sqe_next = (elm); \ } while (0) #define SIMPLEQ_REMOVE_HEAD(head, elm, field) do { \ if (((head)->sqh_first = (elm)->field.sqe_next) == NULL) \ (head)->sqh_last = &(head)->sqh_first; \ } while (0) /* * Tail queue definitions. */ #define TAILQ_HEAD(name, type) \ struct name { \ struct type *tqh_first; /* first element */ \ struct type **tqh_last; /* addr of last next element */ \ } #define TAILQ_HEAD_INITIALIZER(head) \ { NULL, &(head).tqh_first } #define TAILQ_ENTRY(type) \ struct { \ struct type *tqe_next; /* next element */ \ struct type **tqe_prev; /* address of previous next element */ \ } /* * tail queue access methods */ #define TAILQ_FIRST(head) ((head)->tqh_first) #define TAILQ_END(head) NULL #define TAILQ_NEXT(elm, field) ((elm)->field.tqe_next) #define TAILQ_LAST(head, headname) \ (*(((struct headname *)((head)->tqh_last))->tqh_last)) /* XXX */ #define TAILQ_PREV(elm, headname, field) \ (*(((struct headname *)((elm)->field.tqe_prev))->tqh_last)) #define TAILQ_EMPTY(head) \ (TAILQ_FIRST(head) == TAILQ_END(head)) #define TAILQ_FOREACH(var, head, field) \ for((var) = TAILQ_FIRST(head); \ (var) != TAILQ_END(head); \ (var) = TAILQ_NEXT(var, field)) #define TAILQ_FOREACH_REVERSE(var, head, headname, field) \ for((var) = TAILQ_LAST(head, headname); \ (var) != TAILQ_END(head); \ (var) = TAILQ_PREV(var, headname, field)) /* * Tail queue functions. */ #define TAILQ_INIT(head) do { \ (head)->tqh_first = NULL; \ (head)->tqh_last = &(head)->tqh_first; \ } while (0) #define TAILQ_INSERT_HEAD(head, elm, field) do { \ if (((elm)->field.tqe_next = (head)->tqh_first) != NULL) \ (head)->tqh_first->field.tqe_prev = \ &(elm)->field.tqe_next; \ else \ (head)->tqh_last = &(elm)->field.tqe_next; \ (head)->tqh_first = (elm); \ (elm)->field.tqe_prev = &(head)->tqh_first; \ } while (0) #define TAILQ_INSERT_TAIL(head, elm, field) do { \ (elm)->field.tqe_next = NULL; \ (elm)->field.tqe_prev = (head)->tqh_last; \ *(head)->tqh_last = (elm); \ (head)->tqh_last = &(elm)->field.tqe_next; \ } while (0) #define TAILQ_INSERT_AFTER(head, listelm, elm, field) do { \ if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)\ (elm)->field.tqe_next->field.tqe_prev = \ &(elm)->field.tqe_next; \ else \ (head)->tqh_last = &(elm)->field.tqe_next; \ (listelm)->field.tqe_next = (elm); \ (elm)->field.tqe_prev = &(listelm)->field.tqe_next; \ } while (0) #define TAILQ_INSERT_BEFORE(listelm, elm, field) do { \ (elm)->field.tqe_prev = (listelm)->field.tqe_prev; \ (elm)->field.tqe_next = (listelm); \ *(listelm)->field.tqe_prev = (elm); \ (listelm)->field.tqe_prev = &(elm)->field.tqe_next; \ } while (0) #define TAILQ_REMOVE(head, elm, field) do { \ if (((elm)->field.tqe_next) != NULL) \ (elm)->field.tqe_next->field.tqe_prev = \ (elm)->field.tqe_prev; \ else \ (head)->tqh_last = (elm)->field.tqe_prev; \ *(elm)->field.tqe_prev = (elm)->field.tqe_next; \ } while (0) #define TAILQ_REPLACE(head, elm, elm2, field) do { \ if (((elm2)->field.tqe_next = (elm)->field.tqe_next) != NULL) \ (elm2)->field.tqe_next->field.tqe_prev = \ &(elm2)->field.tqe_next; \ else \ (head)->tqh_last = &(elm2)->field.tqe_next; \ (elm2)->field.tqe_prev = (elm)->field.tqe_prev; \ *(elm2)->field.tqe_prev = (elm2); \ } while (0) /* * Circular queue definitions. */ #define CIRCLEQ_HEAD(name, type) \ struct name { \ struct type *cqh_first; /* first element */ \ struct type *cqh_last; /* last element */ \ } #define CIRCLEQ_HEAD_INITIALIZER(head) \ { CIRCLEQ_END(&head), CIRCLEQ_END(&head) } #define CIRCLEQ_ENTRY(type) \ struct { \ struct type *cqe_next; /* next element */ \ struct type *cqe_prev; /* previous element */ \ } /* * Circular queue access methods */ #define CIRCLEQ_FIRST(head) ((head)->cqh_first) #define CIRCLEQ_LAST(head) ((head)->cqh_last) #define CIRCLEQ_END(head) ((void *)(head)) #define CIRCLEQ_NEXT(elm, field) ((elm)->field.cqe_next) #define CIRCLEQ_PREV(elm, field) ((elm)->field.cqe_prev) #define CIRCLEQ_EMPTY(head) \ (CIRCLEQ_FIRST(head) == CIRCLEQ_END(head)) #define CIRCLEQ_FOREACH(var, head, field) \ for((var) = CIRCLEQ_FIRST(head); \ (var) != CIRCLEQ_END(head); \ (var) = CIRCLEQ_NEXT(var, field)) #define CIRCLEQ_FOREACH_REVERSE(var, head, field) \ for((var) = CIRCLEQ_LAST(head); \ (var) != CIRCLEQ_END(head); \ (var) = CIRCLEQ_PREV(var, field)) /* * Circular queue functions. */ #define CIRCLEQ_INIT(head) do { \ (head)->cqh_first = CIRCLEQ_END(head); \ (head)->cqh_last = CIRCLEQ_END(head); \ } while (0) #define CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) do { \ (elm)->field.cqe_next = (listelm)->field.cqe_next; \ (elm)->field.cqe_prev = (listelm); \ if ((listelm)->field.cqe_next == CIRCLEQ_END(head)) \ (head)->cqh_last = (elm); \ else \ (listelm)->field.cqe_next->field.cqe_prev = (elm); \ (listelm)->field.cqe_next = (elm); \ } while (0) #define CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) do { \ (elm)->field.cqe_next = (listelm); \ (elm)->field.cqe_prev = (listelm)->field.cqe_prev; \ if ((listelm)->field.cqe_prev == CIRCLEQ_END(head)) \ (head)->cqh_first = (elm); \ else \ (listelm)->field.cqe_prev->field.cqe_next = (elm); \ (listelm)->field.cqe_prev = (elm); \ } while (0) #define CIRCLEQ_INSERT_HEAD(head, elm, field) do { \ (elm)->field.cqe_next = (head)->cqh_first; \ (elm)->field.cqe_prev = CIRCLEQ_END(head); \ if ((head)->cqh_last == CIRCLEQ_END(head)) \ (head)->cqh_last = (elm); \ else \ (head)->cqh_first->field.cqe_prev = (elm); \ (head)->cqh_first = (elm); \ } while (0) #define CIRCLEQ_INSERT_TAIL(head, elm, field) do { \ (elm)->field.cqe_next = CIRCLEQ_END(head); \ (elm)->field.cqe_prev = (head)->cqh_last; \ if ((head)->cqh_first == CIRCLEQ_END(head)) \ (head)->cqh_first = (elm); \ else \ (head)->cqh_last->field.cqe_next = (elm); \ (head)->cqh_last = (elm); \ } while (0) #define CIRCLEQ_REMOVE(head, elm, field) do { \ if ((elm)->field.cqe_next == CIRCLEQ_END(head)) \ (head)->cqh_last = (elm)->field.cqe_prev; \ else \ (elm)->field.cqe_next->field.cqe_prev = \ (elm)->field.cqe_prev; \ if ((elm)->field.cqe_prev == CIRCLEQ_END(head)) \ (head)->cqh_first = (elm)->field.cqe_next; \ else \ (elm)->field.cqe_prev->field.cqe_next = \ (elm)->field.cqe_next; \ } while (0) #define CIRCLEQ_REPLACE(head, elm, elm2, field) do { \ if (((elm2)->field.cqe_next = (elm)->field.cqe_next) == \ CIRCLEQ_END(head)) \ (head).cqh_last = (elm2); \ else \ (elm2)->field.cqe_next->field.cqe_prev = (elm2); \ if (((elm2)->field.cqe_prev = (elm)->field.cqe_prev) == \ CIRCLEQ_END(head)) \ (head).cqh_first = (elm2); \ else \ (elm2)->field.cqe_prev->field.cqe_next = (elm2); \ } while (0) #endif /* !SYS_QUEUE_H__ */ lldpd-1.0.18/libevent/minheap-internal.h0000644000076400001440000001560214111362570017356 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Copyright (c) 2006 Maxim Yegorushkin * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef MINHEAP_INTERNAL_H_INCLUDED_ #define MINHEAP_INTERNAL_H_INCLUDED_ #include "event2/event-config.h" #include "evconfig-private.h" #include "event2/event.h" #include "event2/event_struct.h" #include "event2/util.h" #include "util-internal.h" #include "mm-internal.h" typedef struct min_heap { struct event** p; unsigned n, a; } min_heap_t; static inline void min_heap_ctor_(min_heap_t* s); static inline void min_heap_dtor_(min_heap_t* s); static inline void min_heap_elem_init_(struct event* e); static inline int min_heap_elt_is_top_(const struct event *e); static inline int min_heap_empty_(min_heap_t* s); static inline unsigned min_heap_size_(min_heap_t* s); static inline struct event* min_heap_top_(min_heap_t* s); static inline int min_heap_reserve_(min_heap_t* s, unsigned n); static inline int min_heap_push_(min_heap_t* s, struct event* e); static inline struct event* min_heap_pop_(min_heap_t* s); static inline int min_heap_adjust_(min_heap_t *s, struct event* e); static inline int min_heap_erase_(min_heap_t* s, struct event* e); static inline void min_heap_shift_up_(min_heap_t* s, unsigned hole_index, struct event* e); static inline void min_heap_shift_up_unconditional_(min_heap_t* s, unsigned hole_index, struct event* e); static inline void min_heap_shift_down_(min_heap_t* s, unsigned hole_index, struct event* e); #define min_heap_elem_greater(a, b) \ (evutil_timercmp(&(a)->ev_timeout, &(b)->ev_timeout, >)) void min_heap_ctor_(min_heap_t* s) { s->p = 0; s->n = 0; s->a = 0; } void min_heap_dtor_(min_heap_t* s) { if (s->p) mm_free(s->p); } void min_heap_elem_init_(struct event* e) { e->ev_timeout_pos.min_heap_idx = -1; } int min_heap_empty_(min_heap_t* s) { return 0u == s->n; } unsigned min_heap_size_(min_heap_t* s) { return s->n; } struct event* min_heap_top_(min_heap_t* s) { return s->n ? *s->p : 0; } int min_heap_push_(min_heap_t* s, struct event* e) { if (s->n == UINT32_MAX || min_heap_reserve_(s, s->n + 1)) return -1; min_heap_shift_up_(s, s->n++, e); return 0; } struct event* min_heap_pop_(min_heap_t* s) { if (s->n) { struct event* e = *s->p; min_heap_shift_down_(s, 0u, s->p[--s->n]); e->ev_timeout_pos.min_heap_idx = -1; return e; } return 0; } int min_heap_elt_is_top_(const struct event *e) { return e->ev_timeout_pos.min_heap_idx == 0; } int min_heap_erase_(min_heap_t* s, struct event* e) { if (-1 != e->ev_timeout_pos.min_heap_idx) { struct event *last = s->p[--s->n]; unsigned parent = (e->ev_timeout_pos.min_heap_idx - 1) / 2; /* we replace e with the last element in the heap. We might need to shift it upward if it is less than its parent, or downward if it is greater than one or both its children. Since the children are known to be less than the parent, it can't need to shift both up and down. */ if (e->ev_timeout_pos.min_heap_idx > 0 && min_heap_elem_greater(s->p[parent], last)) min_heap_shift_up_unconditional_(s, e->ev_timeout_pos.min_heap_idx, last); else min_heap_shift_down_(s, e->ev_timeout_pos.min_heap_idx, last); e->ev_timeout_pos.min_heap_idx = -1; return 0; } return -1; } int min_heap_adjust_(min_heap_t *s, struct event *e) { if (-1 == e->ev_timeout_pos.min_heap_idx) { return min_heap_push_(s, e); } else { unsigned parent = (e->ev_timeout_pos.min_heap_idx - 1) / 2; /* The position of e has changed; we shift it up or down * as needed. We can't need to do both. */ if (e->ev_timeout_pos.min_heap_idx > 0 && min_heap_elem_greater(s->p[parent], e)) min_heap_shift_up_unconditional_(s, e->ev_timeout_pos.min_heap_idx, e); else min_heap_shift_down_(s, e->ev_timeout_pos.min_heap_idx, e); return 0; } } int min_heap_reserve_(min_heap_t* s, unsigned n) { if (s->a < n) { struct event** p; unsigned a = s->a ? s->a * 2 : 8; if (a < n) a = n; #if (SIZE_MAX == UINT32_MAX) if (a > SIZE_MAX / sizeof *p) return -1; #endif if (!(p = (struct event**)mm_realloc(s->p, a * sizeof *p))) return -1; s->p = p; s->a = a; } return 0; } void min_heap_shift_up_unconditional_(min_heap_t* s, unsigned hole_index, struct event* e) { unsigned parent = (hole_index - 1) / 2; do { (s->p[hole_index] = s->p[parent])->ev_timeout_pos.min_heap_idx = hole_index; hole_index = parent; parent = (hole_index - 1) / 2; } while (hole_index && min_heap_elem_greater(s->p[parent], e)); (s->p[hole_index] = e)->ev_timeout_pos.min_heap_idx = hole_index; } void min_heap_shift_up_(min_heap_t* s, unsigned hole_index, struct event* e) { unsigned parent = (hole_index - 1) / 2; while (hole_index && min_heap_elem_greater(s->p[parent], e)) { (s->p[hole_index] = s->p[parent])->ev_timeout_pos.min_heap_idx = hole_index; hole_index = parent; parent = (hole_index - 1) / 2; } (s->p[hole_index] = e)->ev_timeout_pos.min_heap_idx = hole_index; } void min_heap_shift_down_(min_heap_t* s, unsigned hole_index, struct event* e) { unsigned min_child = 2 * (hole_index + 1); while (min_child <= s->n) { min_child -= min_child == s->n || min_heap_elem_greater(s->p[min_child], s->p[min_child - 1]); if (!(min_heap_elem_greater(e, s->p[min_child]))) break; (s->p[hole_index] = s->p[min_child])->ev_timeout_pos.min_heap_idx = hole_index; hole_index = min_child; min_child = 2 * (hole_index + 1); } (s->p[hole_index] = e)->ev_timeout_pos.min_heap_idx = hole_index; } #endif /* MINHEAP_INTERNAL_H_INCLUDED_ */ lldpd-1.0.18/libevent/epoll_sub.c0000644000076400001440000000452714111362570016106 0ustar00bernatusers/* * Copyright 2003-2009 Niels Provos * Copyright 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "evconfig-private.h" #include #include #include #include #include #include #include int epoll_create(int size) { #if !defined(__NR_epoll_create) && defined(__NR_epoll_create1) if (size <= 0) { errno = EINVAL; return -1; } return (syscall(__NR_epoll_create1, 0)); #else return (syscall(__NR_epoll_create, size)); #endif } int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event) { return (syscall(__NR_epoll_ctl, epfd, op, fd, event)); } int epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout) { #if !defined(__NR_epoll_wait) && defined(__NR_epoll_pwait) return (syscall(__NR_epoll_pwait, epfd, events, maxevents, timeout, NULL, 0)); #else return (syscall(__NR_epoll_wait, epfd, events, maxevents, timeout)); #endif } lldpd-1.0.18/libevent/bufferevent.c0000644000076400001440000006415014111362570016433 0ustar00bernatusers/* * Copyright (c) 2002-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos, Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #include #include #include #ifdef EVENT__HAVE_STDARG_H #include #endif #ifdef _WIN32 #include #endif #include "event2/util.h" #include "event2/buffer.h" #include "event2/buffer_compat.h" #include "event2/bufferevent.h" #include "event2/bufferevent_struct.h" #include "event2/bufferevent_compat.h" #include "event2/event.h" #include "event-internal.h" #include "log-internal.h" #include "mm-internal.h" #include "bufferevent-internal.h" #include "evbuffer-internal.h" #include "util-internal.h" static void bufferevent_cancel_all_(struct bufferevent *bev); static void bufferevent_finalize_cb_(struct event_callback *evcb, void *arg_); void bufferevent_suspend_read_(struct bufferevent *bufev, bufferevent_suspend_flags what) { struct bufferevent_private *bufev_private = BEV_UPCAST(bufev); BEV_LOCK(bufev); if (!bufev_private->read_suspended) bufev->be_ops->disable(bufev, EV_READ); bufev_private->read_suspended |= what; BEV_UNLOCK(bufev); } void bufferevent_unsuspend_read_(struct bufferevent *bufev, bufferevent_suspend_flags what) { struct bufferevent_private *bufev_private = BEV_UPCAST(bufev); BEV_LOCK(bufev); bufev_private->read_suspended &= ~what; if (!bufev_private->read_suspended && (bufev->enabled & EV_READ)) bufev->be_ops->enable(bufev, EV_READ); BEV_UNLOCK(bufev); } void bufferevent_suspend_write_(struct bufferevent *bufev, bufferevent_suspend_flags what) { struct bufferevent_private *bufev_private = BEV_UPCAST(bufev); BEV_LOCK(bufev); if (!bufev_private->write_suspended) bufev->be_ops->disable(bufev, EV_WRITE); bufev_private->write_suspended |= what; BEV_UNLOCK(bufev); } void bufferevent_unsuspend_write_(struct bufferevent *bufev, bufferevent_suspend_flags what) { struct bufferevent_private *bufev_private = BEV_UPCAST(bufev); BEV_LOCK(bufev); bufev_private->write_suspended &= ~what; if (!bufev_private->write_suspended && (bufev->enabled & EV_WRITE)) bufev->be_ops->enable(bufev, EV_WRITE); BEV_UNLOCK(bufev); } /** * Sometimes bufferevent's implementation can overrun high watermarks * (one of examples is openssl) and in this case if the read callback * will not handle enough data do over condition above the read * callback will never be called again (due to suspend above). * * To avoid this we are scheduling read callback again here, but only * from the user callback to avoid multiple scheduling: * - when the data had been added to it * - when the data had been drained from it (user specified read callback) */ static void bufferevent_inbuf_wm_check(struct bufferevent *bev) { if (!bev->wm_read.high) return; if (!(bev->enabled & EV_READ)) return; if (evbuffer_get_length(bev->input) < bev->wm_read.high) return; bufferevent_trigger(bev, EV_READ, BEV_OPT_DEFER_CALLBACKS); } /* Callback to implement watermarks on the input buffer. Only enabled * if the watermark is set. */ static void bufferevent_inbuf_wm_cb(struct evbuffer *buf, const struct evbuffer_cb_info *cbinfo, void *arg) { struct bufferevent *bufev = arg; size_t size; size = evbuffer_get_length(buf); if (size >= bufev->wm_read.high) bufferevent_wm_suspend_read(bufev); else bufferevent_wm_unsuspend_read(bufev); } static void bufferevent_run_deferred_callbacks_locked(struct event_callback *cb, void *arg) { struct bufferevent_private *bufev_private = arg; struct bufferevent *bufev = &bufev_private->bev; BEV_LOCK(bufev); if ((bufev_private->eventcb_pending & BEV_EVENT_CONNECTED) && bufev->errorcb) { /* The "connected" happened before any reads or writes, so send it first. */ bufev_private->eventcb_pending &= ~BEV_EVENT_CONNECTED; bufev->errorcb(bufev, BEV_EVENT_CONNECTED, bufev->cbarg); } if (bufev_private->readcb_pending && bufev->readcb) { bufev_private->readcb_pending = 0; bufev->readcb(bufev, bufev->cbarg); bufferevent_inbuf_wm_check(bufev); } if (bufev_private->writecb_pending && bufev->writecb) { bufev_private->writecb_pending = 0; bufev->writecb(bufev, bufev->cbarg); } if (bufev_private->eventcb_pending && bufev->errorcb) { short what = bufev_private->eventcb_pending; int err = bufev_private->errno_pending; bufev_private->eventcb_pending = 0; bufev_private->errno_pending = 0; EVUTIL_SET_SOCKET_ERROR(err); bufev->errorcb(bufev, what, bufev->cbarg); } bufferevent_decref_and_unlock_(bufev); } static void bufferevent_run_deferred_callbacks_unlocked(struct event_callback *cb, void *arg) { struct bufferevent_private *bufev_private = arg; struct bufferevent *bufev = &bufev_private->bev; BEV_LOCK(bufev); #define UNLOCKED(stmt) \ do { BEV_UNLOCK(bufev); stmt; BEV_LOCK(bufev); } while(0) if ((bufev_private->eventcb_pending & BEV_EVENT_CONNECTED) && bufev->errorcb) { /* The "connected" happened before any reads or writes, so send it first. */ bufferevent_event_cb errorcb = bufev->errorcb; void *cbarg = bufev->cbarg; bufev_private->eventcb_pending &= ~BEV_EVENT_CONNECTED; UNLOCKED(errorcb(bufev, BEV_EVENT_CONNECTED, cbarg)); } if (bufev_private->readcb_pending && bufev->readcb) { bufferevent_data_cb readcb = bufev->readcb; void *cbarg = bufev->cbarg; bufev_private->readcb_pending = 0; UNLOCKED(readcb(bufev, cbarg)); bufferevent_inbuf_wm_check(bufev); } if (bufev_private->writecb_pending && bufev->writecb) { bufferevent_data_cb writecb = bufev->writecb; void *cbarg = bufev->cbarg; bufev_private->writecb_pending = 0; UNLOCKED(writecb(bufev, cbarg)); } if (bufev_private->eventcb_pending && bufev->errorcb) { bufferevent_event_cb errorcb = bufev->errorcb; void *cbarg = bufev->cbarg; short what = bufev_private->eventcb_pending; int err = bufev_private->errno_pending; bufev_private->eventcb_pending = 0; bufev_private->errno_pending = 0; EVUTIL_SET_SOCKET_ERROR(err); UNLOCKED(errorcb(bufev,what,cbarg)); } bufferevent_decref_and_unlock_(bufev); #undef UNLOCKED } #define SCHEDULE_DEFERRED(bevp) \ do { \ if (event_deferred_cb_schedule_( \ (bevp)->bev.ev_base, \ &(bevp)->deferred)) \ bufferevent_incref_(&(bevp)->bev); \ } while (0) void bufferevent_run_readcb_(struct bufferevent *bufev, int options) { /* Requires that we hold the lock and a reference */ struct bufferevent_private *p = BEV_UPCAST(bufev); if (bufev->readcb == NULL) return; if ((p->options|options) & BEV_OPT_DEFER_CALLBACKS) { p->readcb_pending = 1; SCHEDULE_DEFERRED(p); } else { bufev->readcb(bufev, bufev->cbarg); bufferevent_inbuf_wm_check(bufev); } } void bufferevent_run_writecb_(struct bufferevent *bufev, int options) { /* Requires that we hold the lock and a reference */ struct bufferevent_private *p = BEV_UPCAST(bufev); if (bufev->writecb == NULL) return; if ((p->options|options) & BEV_OPT_DEFER_CALLBACKS) { p->writecb_pending = 1; SCHEDULE_DEFERRED(p); } else { bufev->writecb(bufev, bufev->cbarg); } } #define BEV_TRIG_ALL_OPTS ( \ BEV_TRIG_IGNORE_WATERMARKS| \ BEV_TRIG_DEFER_CALLBACKS \ ) void bufferevent_trigger(struct bufferevent *bufev, short iotype, int options) { bufferevent_incref_and_lock_(bufev); bufferevent_trigger_nolock_(bufev, iotype, options&BEV_TRIG_ALL_OPTS); bufferevent_decref_and_unlock_(bufev); } void bufferevent_run_eventcb_(struct bufferevent *bufev, short what, int options) { /* Requires that we hold the lock and a reference */ struct bufferevent_private *p = BEV_UPCAST(bufev); if (bufev->errorcb == NULL) return; if ((p->options|options) & BEV_OPT_DEFER_CALLBACKS) { p->eventcb_pending |= what; p->errno_pending = EVUTIL_SOCKET_ERROR(); SCHEDULE_DEFERRED(p); } else { bufev->errorcb(bufev, what, bufev->cbarg); } } void bufferevent_trigger_event(struct bufferevent *bufev, short what, int options) { bufferevent_incref_and_lock_(bufev); bufferevent_run_eventcb_(bufev, what, options&BEV_TRIG_ALL_OPTS); bufferevent_decref_and_unlock_(bufev); } int bufferevent_init_common_(struct bufferevent_private *bufev_private, struct event_base *base, const struct bufferevent_ops *ops, enum bufferevent_options options) { struct bufferevent *bufev = &bufev_private->bev; if (!bufev->input) { if ((bufev->input = evbuffer_new()) == NULL) goto err; } if (!bufev->output) { if ((bufev->output = evbuffer_new()) == NULL) goto err; } bufev_private->refcnt = 1; bufev->ev_base = base; /* Disable timeouts. */ evutil_timerclear(&bufev->timeout_read); evutil_timerclear(&bufev->timeout_write); bufev->be_ops = ops; if (bufferevent_ratelim_init_(bufev_private)) goto err; /* * Set to EV_WRITE so that using bufferevent_write is going to * trigger a callback. Reading needs to be explicitly enabled * because otherwise no data will be available. */ bufev->enabled = EV_WRITE; #ifndef EVENT__DISABLE_THREAD_SUPPORT if (options & BEV_OPT_THREADSAFE) { if (bufferevent_enable_locking_(bufev, NULL) < 0) goto err; } #endif if ((options & (BEV_OPT_DEFER_CALLBACKS|BEV_OPT_UNLOCK_CALLBACKS)) == BEV_OPT_UNLOCK_CALLBACKS) { event_warnx("UNLOCK_CALLBACKS requires DEFER_CALLBACKS"); goto err; } if (options & BEV_OPT_UNLOCK_CALLBACKS) event_deferred_cb_init_( &bufev_private->deferred, event_base_get_npriorities(base) / 2, bufferevent_run_deferred_callbacks_unlocked, bufev_private); else event_deferred_cb_init_( &bufev_private->deferred, event_base_get_npriorities(base) / 2, bufferevent_run_deferred_callbacks_locked, bufev_private); bufev_private->options = options; evbuffer_set_parent_(bufev->input, bufev); evbuffer_set_parent_(bufev->output, bufev); return 0; err: if (bufev->input) { evbuffer_free(bufev->input); bufev->input = NULL; } if (bufev->output) { evbuffer_free(bufev->output); bufev->output = NULL; } return -1; } void bufferevent_setcb(struct bufferevent *bufev, bufferevent_data_cb readcb, bufferevent_data_cb writecb, bufferevent_event_cb eventcb, void *cbarg) { BEV_LOCK(bufev); bufev->readcb = readcb; bufev->writecb = writecb; bufev->errorcb = eventcb; bufev->cbarg = cbarg; BEV_UNLOCK(bufev); } void bufferevent_getcb(struct bufferevent *bufev, bufferevent_data_cb *readcb_ptr, bufferevent_data_cb *writecb_ptr, bufferevent_event_cb *eventcb_ptr, void **cbarg_ptr) { BEV_LOCK(bufev); if (readcb_ptr) *readcb_ptr = bufev->readcb; if (writecb_ptr) *writecb_ptr = bufev->writecb; if (eventcb_ptr) *eventcb_ptr = bufev->errorcb; if (cbarg_ptr) *cbarg_ptr = bufev->cbarg; BEV_UNLOCK(bufev); } struct evbuffer * bufferevent_get_input(struct bufferevent *bufev) { return bufev->input; } struct evbuffer * bufferevent_get_output(struct bufferevent *bufev) { return bufev->output; } struct event_base * bufferevent_get_base(struct bufferevent *bufev) { return bufev->ev_base; } int bufferevent_get_priority(const struct bufferevent *bufev) { if (event_initialized(&bufev->ev_read)) { return event_get_priority(&bufev->ev_read); } else { return event_base_get_npriorities(bufev->ev_base) / 2; } } int bufferevent_write(struct bufferevent *bufev, const void *data, size_t size) { if (evbuffer_add(bufev->output, data, size) == -1) return (-1); return 0; } int bufferevent_write_buffer(struct bufferevent *bufev, struct evbuffer *buf) { if (evbuffer_add_buffer(bufev->output, buf) == -1) return (-1); return 0; } size_t bufferevent_read(struct bufferevent *bufev, void *data, size_t size) { return (evbuffer_remove(bufev->input, data, size)); } int bufferevent_read_buffer(struct bufferevent *bufev, struct evbuffer *buf) { return (evbuffer_add_buffer(buf, bufev->input)); } int bufferevent_enable(struct bufferevent *bufev, short event) { struct bufferevent_private *bufev_private = BEV_UPCAST(bufev); short impl_events = event; int r = 0; bufferevent_incref_and_lock_(bufev); if (bufev_private->read_suspended) impl_events &= ~EV_READ; if (bufev_private->write_suspended) impl_events &= ~EV_WRITE; bufev->enabled |= event; if (impl_events && bufev->be_ops->enable(bufev, impl_events) < 0) r = -1; if (r) event_debug(("%s: cannot enable 0x%hx on %p", __func__, event, bufev)); bufferevent_decref_and_unlock_(bufev); return r; } int bufferevent_set_timeouts(struct bufferevent *bufev, const struct timeval *tv_read, const struct timeval *tv_write) { int r = 0; BEV_LOCK(bufev); if (tv_read) { bufev->timeout_read = *tv_read; } else { evutil_timerclear(&bufev->timeout_read); } if (tv_write) { bufev->timeout_write = *tv_write; } else { evutil_timerclear(&bufev->timeout_write); } if (bufev->be_ops->adj_timeouts) r = bufev->be_ops->adj_timeouts(bufev); BEV_UNLOCK(bufev); return r; } /* Obsolete; use bufferevent_set_timeouts */ void bufferevent_settimeout(struct bufferevent *bufev, int timeout_read, int timeout_write) { struct timeval tv_read, tv_write; struct timeval *ptv_read = NULL, *ptv_write = NULL; memset(&tv_read, 0, sizeof(tv_read)); memset(&tv_write, 0, sizeof(tv_write)); if (timeout_read) { tv_read.tv_sec = timeout_read; ptv_read = &tv_read; } if (timeout_write) { tv_write.tv_sec = timeout_write; ptv_write = &tv_write; } bufferevent_set_timeouts(bufev, ptv_read, ptv_write); } int bufferevent_disable_hard_(struct bufferevent *bufev, short event) { int r = 0; struct bufferevent_private *bufev_private = BEV_UPCAST(bufev); BEV_LOCK(bufev); bufev->enabled &= ~event; bufev_private->connecting = 0; if (bufev->be_ops->disable(bufev, event) < 0) r = -1; BEV_UNLOCK(bufev); return r; } int bufferevent_disable(struct bufferevent *bufev, short event) { int r = 0; BEV_LOCK(bufev); bufev->enabled &= ~event; if (bufev->be_ops->disable(bufev, event) < 0) r = -1; if (r) event_debug(("%s: cannot disable 0x%hx on %p", __func__, event, bufev)); BEV_UNLOCK(bufev); return r; } /* * Sets the water marks */ void bufferevent_setwatermark(struct bufferevent *bufev, short events, size_t lowmark, size_t highmark) { struct bufferevent_private *bufev_private = BEV_UPCAST(bufev); BEV_LOCK(bufev); if (events & EV_WRITE) { bufev->wm_write.low = lowmark; bufev->wm_write.high = highmark; } if (events & EV_READ) { bufev->wm_read.low = lowmark; bufev->wm_read.high = highmark; if (highmark) { /* There is now a new high-water mark for read. enable the callback if needed, and see if we should suspend/bufferevent_wm_unsuspend. */ if (bufev_private->read_watermarks_cb == NULL) { bufev_private->read_watermarks_cb = evbuffer_add_cb(bufev->input, bufferevent_inbuf_wm_cb, bufev); } evbuffer_cb_set_flags(bufev->input, bufev_private->read_watermarks_cb, EVBUFFER_CB_ENABLED|EVBUFFER_CB_NODEFER); if (evbuffer_get_length(bufev->input) >= highmark) bufferevent_wm_suspend_read(bufev); else if (evbuffer_get_length(bufev->input) < highmark) bufferevent_wm_unsuspend_read(bufev); } else { /* There is now no high-water mark for read. */ if (bufev_private->read_watermarks_cb) evbuffer_cb_clear_flags(bufev->input, bufev_private->read_watermarks_cb, EVBUFFER_CB_ENABLED); bufferevent_wm_unsuspend_read(bufev); } } BEV_UNLOCK(bufev); } int bufferevent_getwatermark(struct bufferevent *bufev, short events, size_t *lowmark, size_t *highmark) { if (events == EV_WRITE) { BEV_LOCK(bufev); if (lowmark) *lowmark = bufev->wm_write.low; if (highmark) *highmark = bufev->wm_write.high; BEV_UNLOCK(bufev); return 0; } if (events == EV_READ) { BEV_LOCK(bufev); if (lowmark) *lowmark = bufev->wm_read.low; if (highmark) *highmark = bufev->wm_read.high; BEV_UNLOCK(bufev); return 0; } return -1; } int bufferevent_flush(struct bufferevent *bufev, short iotype, enum bufferevent_flush_mode mode) { int r = -1; BEV_LOCK(bufev); if (bufev->be_ops->flush) r = bufev->be_ops->flush(bufev, iotype, mode); BEV_UNLOCK(bufev); return r; } void bufferevent_incref_and_lock_(struct bufferevent *bufev) { struct bufferevent_private *bufev_private = BEV_UPCAST(bufev); BEV_LOCK(bufev); ++bufev_private->refcnt; } #if 0 static void bufferevent_transfer_lock_ownership_(struct bufferevent *donor, struct bufferevent *recipient) { struct bufferevent_private *d = BEV_UPCAST(donor); struct bufferevent_private *r = BEV_UPCAST(recipient); if (d->lock != r->lock) return; if (r->own_lock) return; if (d->own_lock) { d->own_lock = 0; r->own_lock = 1; } } #endif int bufferevent_decref_and_unlock_(struct bufferevent *bufev) { struct bufferevent_private *bufev_private = BEV_UPCAST(bufev); int n_cbs = 0; #define MAX_CBS 16 struct event_callback *cbs[MAX_CBS]; EVUTIL_ASSERT(bufev_private->refcnt > 0); if (--bufev_private->refcnt) { BEV_UNLOCK(bufev); return 0; } if (bufev->be_ops->unlink) bufev->be_ops->unlink(bufev); /* Okay, we're out of references. Let's finalize this once all the * callbacks are done running. */ cbs[0] = &bufev->ev_read.ev_evcallback; cbs[1] = &bufev->ev_write.ev_evcallback; cbs[2] = &bufev_private->deferred; n_cbs = 3; if (bufev_private->rate_limiting) { struct event *e = &bufev_private->rate_limiting->refill_bucket_event; if (event_initialized(e)) cbs[n_cbs++] = &e->ev_evcallback; } n_cbs += evbuffer_get_callbacks_(bufev->input, cbs+n_cbs, MAX_CBS-n_cbs); n_cbs += evbuffer_get_callbacks_(bufev->output, cbs+n_cbs, MAX_CBS-n_cbs); event_callback_finalize_many_(bufev->ev_base, n_cbs, cbs, bufferevent_finalize_cb_); #undef MAX_CBS BEV_UNLOCK(bufev); return 1; } static void bufferevent_finalize_cb_(struct event_callback *evcb, void *arg_) { struct bufferevent *bufev = arg_; struct bufferevent *underlying; struct bufferevent_private *bufev_private = BEV_UPCAST(bufev); BEV_LOCK(bufev); underlying = bufferevent_get_underlying(bufev); /* Clean up the shared info */ if (bufev->be_ops->destruct) bufev->be_ops->destruct(bufev); /* XXX what happens if refcnt for these buffers is > 1? * The buffers can share a lock with this bufferevent object, * but the lock might be destroyed below. */ /* evbuffer will free the callbacks */ evbuffer_free(bufev->input); evbuffer_free(bufev->output); if (bufev_private->rate_limiting) { if (bufev_private->rate_limiting->group) bufferevent_remove_from_rate_limit_group_internal_(bufev,0); mm_free(bufev_private->rate_limiting); bufev_private->rate_limiting = NULL; } BEV_UNLOCK(bufev); if (bufev_private->own_lock) EVTHREAD_FREE_LOCK(bufev_private->lock, EVTHREAD_LOCKTYPE_RECURSIVE); /* Free the actual allocated memory. */ mm_free(((char*)bufev) - bufev->be_ops->mem_offset); /* Release the reference to underlying now that we no longer need the * reference to it. We wait this long mainly in case our lock is * shared with underlying. * * The 'destruct' function will also drop a reference to underlying * if BEV_OPT_CLOSE_ON_FREE is set. * * XXX Should we/can we just refcount evbuffer/bufferevent locks? * It would probably save us some headaches. */ if (underlying) bufferevent_decref_(underlying); } int bufferevent_decref(struct bufferevent *bufev) { BEV_LOCK(bufev); return bufferevent_decref_and_unlock_(bufev); } void bufferevent_free(struct bufferevent *bufev) { BEV_LOCK(bufev); bufferevent_setcb(bufev, NULL, NULL, NULL, NULL); bufferevent_cancel_all_(bufev); bufferevent_decref_and_unlock_(bufev); } void bufferevent_incref(struct bufferevent *bufev) { struct bufferevent_private *bufev_private = BEV_UPCAST(bufev); /* XXX: now that this function is public, we might want to * - return the count from this function * - create a new function to atomically grab the current refcount */ BEV_LOCK(bufev); ++bufev_private->refcnt; BEV_UNLOCK(bufev); } int bufferevent_enable_locking_(struct bufferevent *bufev, void *lock) { #ifdef EVENT__DISABLE_THREAD_SUPPORT return -1; #else struct bufferevent *underlying; if (BEV_UPCAST(bufev)->lock) return -1; underlying = bufferevent_get_underlying(bufev); if (!lock && underlying && BEV_UPCAST(underlying)->lock) { lock = BEV_UPCAST(underlying)->lock; BEV_UPCAST(bufev)->lock = lock; BEV_UPCAST(bufev)->own_lock = 0; } else if (!lock) { EVTHREAD_ALLOC_LOCK(lock, EVTHREAD_LOCKTYPE_RECURSIVE); if (!lock) return -1; BEV_UPCAST(bufev)->lock = lock; BEV_UPCAST(bufev)->own_lock = 1; } else { BEV_UPCAST(bufev)->lock = lock; BEV_UPCAST(bufev)->own_lock = 0; } evbuffer_enable_locking(bufev->input, lock); evbuffer_enable_locking(bufev->output, lock); if (underlying && !BEV_UPCAST(underlying)->lock) bufferevent_enable_locking_(underlying, lock); return 0; #endif } int bufferevent_setfd(struct bufferevent *bev, evutil_socket_t fd) { union bufferevent_ctrl_data d; int res = -1; d.fd = fd; BEV_LOCK(bev); if (bev->be_ops->ctrl) res = bev->be_ops->ctrl(bev, BEV_CTRL_SET_FD, &d); if (res) event_debug(("%s: cannot set fd for %p to "EV_SOCK_FMT, __func__, bev, fd)); BEV_UNLOCK(bev); return res; } evutil_socket_t bufferevent_getfd(struct bufferevent *bev) { union bufferevent_ctrl_data d; int res = -1; d.fd = -1; BEV_LOCK(bev); if (bev->be_ops->ctrl) res = bev->be_ops->ctrl(bev, BEV_CTRL_GET_FD, &d); if (res) event_debug(("%s: cannot get fd for %p", __func__, bev)); BEV_UNLOCK(bev); return (res<0) ? -1 : d.fd; } enum bufferevent_options bufferevent_get_options_(struct bufferevent *bev) { struct bufferevent_private *bev_p = BEV_UPCAST(bev); enum bufferevent_options options; BEV_LOCK(bev); options = bev_p->options; BEV_UNLOCK(bev); return options; } static void bufferevent_cancel_all_(struct bufferevent *bev) { union bufferevent_ctrl_data d; memset(&d, 0, sizeof(d)); BEV_LOCK(bev); if (bev->be_ops->ctrl) bev->be_ops->ctrl(bev, BEV_CTRL_CANCEL_ALL, &d); BEV_UNLOCK(bev); } short bufferevent_get_enabled(struct bufferevent *bufev) { short r; BEV_LOCK(bufev); r = bufev->enabled; BEV_UNLOCK(bufev); return r; } struct bufferevent * bufferevent_get_underlying(struct bufferevent *bev) { union bufferevent_ctrl_data d; int res = -1; d.ptr = NULL; BEV_LOCK(bev); if (bev->be_ops->ctrl) res = bev->be_ops->ctrl(bev, BEV_CTRL_GET_UNDERLYING, &d); BEV_UNLOCK(bev); return (res<0) ? NULL : d.ptr; } static void bufferevent_generic_read_timeout_cb(evutil_socket_t fd, short event, void *ctx) { struct bufferevent *bev = ctx; bufferevent_incref_and_lock_(bev); bufferevent_disable(bev, EV_READ); bufferevent_run_eventcb_(bev, BEV_EVENT_TIMEOUT|BEV_EVENT_READING, 0); bufferevent_decref_and_unlock_(bev); } static void bufferevent_generic_write_timeout_cb(evutil_socket_t fd, short event, void *ctx) { struct bufferevent *bev = ctx; bufferevent_incref_and_lock_(bev); bufferevent_disable(bev, EV_WRITE); bufferevent_run_eventcb_(bev, BEV_EVENT_TIMEOUT|BEV_EVENT_WRITING, 0); bufferevent_decref_and_unlock_(bev); } void bufferevent_init_generic_timeout_cbs_(struct bufferevent *bev) { event_assign(&bev->ev_read, bev->ev_base, -1, EV_FINALIZE, bufferevent_generic_read_timeout_cb, bev); event_assign(&bev->ev_write, bev->ev_base, -1, EV_FINALIZE, bufferevent_generic_write_timeout_cb, bev); } int bufferevent_generic_adj_timeouts_(struct bufferevent *bev) { const short enabled = bev->enabled; struct bufferevent_private *bev_p = BEV_UPCAST(bev); int r1=0, r2=0; if ((enabled & EV_READ) && !bev_p->read_suspended && evutil_timerisset(&bev->timeout_read)) r1 = event_add(&bev->ev_read, &bev->timeout_read); else r1 = event_del(&bev->ev_read); if ((enabled & EV_WRITE) && !bev_p->write_suspended && evutil_timerisset(&bev->timeout_write) && evbuffer_get_length(bev->output)) r2 = event_add(&bev->ev_write, &bev->timeout_write); else r2 = event_del(&bev->ev_write); if (r1 < 0 || r2 < 0) return -1; return 0; } int bufferevent_generic_adj_existing_timeouts_(struct bufferevent *bev) { int r = 0; if (event_pending(&bev->ev_read, EV_READ, NULL)) { if (evutil_timerisset(&bev->timeout_read)) { if (bufferevent_add_event_(&bev->ev_read, &bev->timeout_read) < 0) r = -1; } else { event_remove_timer(&bev->ev_read); } } if (event_pending(&bev->ev_write, EV_WRITE, NULL)) { if (evutil_timerisset(&bev->timeout_write)) { if (bufferevent_add_event_(&bev->ev_write, &bev->timeout_write) < 0) r = -1; } else { event_remove_timer(&bev->ev_write); } } return r; } int bufferevent_add_event_(struct event *ev, const struct timeval *tv) { if (!evutil_timerisset(tv)) return event_add(ev, NULL); else return event_add(ev, tv); } /* For use by user programs only; internally, we should be calling either bufferevent_incref_and_lock_(), or BEV_LOCK. */ void bufferevent_lock(struct bufferevent *bev) { bufferevent_incref_and_lock_(bev); } void bufferevent_unlock(struct bufferevent *bev) { bufferevent_decref_and_unlock_(bev); } lldpd-1.0.18/libevent/devpoll.c0000644000076400001440000001732114111362570015563 0ustar00bernatusers/* * Copyright 2000-2009 Niels Provos * Copyright 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #ifdef EVENT__HAVE_DEVPOLL #include #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #include #include #include #include #include #include #include #include #include "event2/event.h" #include "event2/event_struct.h" #include "event2/thread.h" #include "event-internal.h" #include "evsignal-internal.h" #include "log-internal.h" #include "evmap-internal.h" #include "evthread-internal.h" struct devpollop { struct pollfd *events; int nevents; int dpfd; struct pollfd *changes; int nchanges; }; static void *devpoll_init(struct event_base *); static int devpoll_add(struct event_base *, int fd, short old, short events, void *); static int devpoll_del(struct event_base *, int fd, short old, short events, void *); static int devpoll_dispatch(struct event_base *, struct timeval *); static void devpoll_dealloc(struct event_base *); const struct eventop devpollops = { "devpoll", devpoll_init, devpoll_add, devpoll_del, devpoll_dispatch, devpoll_dealloc, 1, /* need reinit */ EV_FEATURE_FDS|EV_FEATURE_O1, 0 }; #define NEVENT 32000 static int devpoll_commit(struct devpollop *devpollop) { /* * Due to a bug in Solaris, we have to use pwrite with an offset of 0. * Write is limited to 2GB of data, until it will fail. */ if (pwrite(devpollop->dpfd, devpollop->changes, sizeof(struct pollfd) * devpollop->nchanges, 0) == -1) return (-1); devpollop->nchanges = 0; return (0); } static int devpoll_queue(struct devpollop *devpollop, int fd, int events) { struct pollfd *pfd; if (devpollop->nchanges >= devpollop->nevents) { /* * Change buffer is full, must commit it to /dev/poll before * adding more */ if (devpoll_commit(devpollop) != 0) return (-1); } pfd = &devpollop->changes[devpollop->nchanges++]; pfd->fd = fd; pfd->events = events; pfd->revents = 0; return (0); } static void * devpoll_init(struct event_base *base) { int dpfd, nfiles = NEVENT; struct rlimit rl; struct devpollop *devpollop; if (!(devpollop = mm_calloc(1, sizeof(struct devpollop)))) return (NULL); if (getrlimit(RLIMIT_NOFILE, &rl) == 0 && rl.rlim_cur != RLIM_INFINITY) nfiles = rl.rlim_cur; /* Initialize the kernel queue */ if ((dpfd = evutil_open_closeonexec_("/dev/poll", O_RDWR, 0)) == -1) { event_warn("open: /dev/poll"); mm_free(devpollop); return (NULL); } devpollop->dpfd = dpfd; /* Initialize fields */ /* FIXME: allocating 'nfiles' worth of space here can be * expensive and unnecessary. See how epoll.c does it instead. */ devpollop->events = mm_calloc(nfiles, sizeof(struct pollfd)); if (devpollop->events == NULL) { mm_free(devpollop); close(dpfd); return (NULL); } devpollop->nevents = nfiles; devpollop->changes = mm_calloc(nfiles, sizeof(struct pollfd)); if (devpollop->changes == NULL) { mm_free(devpollop->events); mm_free(devpollop); close(dpfd); return (NULL); } evsig_init_(base); return (devpollop); } static int devpoll_dispatch(struct event_base *base, struct timeval *tv) { struct devpollop *devpollop = base->evbase; struct pollfd *events = devpollop->events; struct dvpoll dvp; int i, res, timeout = -1; if (devpollop->nchanges) devpoll_commit(devpollop); if (tv != NULL) timeout = tv->tv_sec * 1000 + (tv->tv_usec + 999) / 1000; dvp.dp_fds = devpollop->events; dvp.dp_nfds = devpollop->nevents; dvp.dp_timeout = timeout; EVBASE_RELEASE_LOCK(base, th_base_lock); res = ioctl(devpollop->dpfd, DP_POLL, &dvp); EVBASE_ACQUIRE_LOCK(base, th_base_lock); if (res == -1) { if (errno != EINTR) { event_warn("ioctl: DP_POLL"); return (-1); } return (0); } event_debug(("%s: devpoll_wait reports %d", __func__, res)); for (i = 0; i < res; i++) { int which = 0; int what = events[i].revents; if (what & POLLHUP) what |= POLLIN | POLLOUT; else if (what & POLLERR) what |= POLLIN | POLLOUT; if (what & POLLIN) which |= EV_READ; if (what & POLLOUT) which |= EV_WRITE; if (!which) continue; /* XXX(niels): not sure if this works for devpoll */ evmap_io_active_(base, events[i].fd, which); } return (0); } static int devpoll_add(struct event_base *base, int fd, short old, short events, void *p) { struct devpollop *devpollop = base->evbase; int res; (void)p; /* * It's not necessary to OR the existing read/write events that we * are currently interested in with the new event we are adding. * The /dev/poll driver ORs any new events with the existing events * that it has cached for the fd. */ res = 0; if (events & EV_READ) res |= POLLIN; if (events & EV_WRITE) res |= POLLOUT; if (devpoll_queue(devpollop, fd, res) != 0) return (-1); return (0); } static int devpoll_del(struct event_base *base, int fd, short old, short events, void *p) { struct devpollop *devpollop = base->evbase; int res; (void)p; res = 0; if (events & EV_READ) res |= POLLIN; if (events & EV_WRITE) res |= POLLOUT; /* * The only way to remove an fd from the /dev/poll monitored set is * to use POLLREMOVE by itself. This removes ALL events for the fd * provided so if we care about two events and are only removing one * we must re-add the other event after POLLREMOVE. */ if (devpoll_queue(devpollop, fd, POLLREMOVE) != 0) return (-1); if ((res & (POLLIN|POLLOUT)) != (POLLIN|POLLOUT)) { /* * We're not deleting all events, so we must resubmit the * event that we are still interested in if one exists. */ if ((res & POLLIN) && (old & EV_WRITE)) { /* Deleting read, still care about write */ devpoll_queue(devpollop, fd, POLLOUT); } else if ((res & POLLOUT) && (old & EV_READ)) { /* Deleting write, still care about read */ devpoll_queue(devpollop, fd, POLLIN); } } return (0); } static void devpoll_dealloc(struct event_base *base) { struct devpollop *devpollop = base->evbase; evsig_dealloc_(base); if (devpollop->events) mm_free(devpollop->events); if (devpollop->changes) mm_free(devpollop->changes); if (devpollop->dpfd >= 0) close(devpollop->dpfd); memset(devpollop, 0, sizeof(struct devpollop)); mm_free(devpollop); } #endif /* EVENT__HAVE_DEVPOLL */ lldpd-1.0.18/libevent/cmake/0000755000076400001440000000000014550773325015041 5ustar00bernatuserslldpd-1.0.18/libevent/cmake/LibeventConfig.cmake.in0000644000076400001440000001577514111362571021353 0ustar00bernatusers# - Config file for the Libevent package # It defines the following variables # LIBEVENT_FOUND - true if libevent and all required components found on the system # LIBEVENT_xxx_FOUND - true if component xxx(see available components) found on the system # LIBEVENT_VERSION - libevent version in format Major.Minor.Patch # LIBEVENT_INCLUDE_DIRS - directories where libevent header is located. # LIBEVENT_INCLUDE_DIR - same as DIRS # LIBEVENT_LIBRARIES - libevent library to link against. # LIBEVENT_LIBRARY - same as LIBRARIES # # These variables are deprecated, don't use them. # LIBEVENT_STATIC_LIBRARIES - libraries to link against (archive/static) # LIBEVENT_SHARED_LIBRARIES - libraries to link against (shared) # # When you try to locate the libevent libraries, you should specify which components you want to use. # The following table lists all available components. If none is given, all imported targets will used. # core - the core functons of libevent # extra - extra functions, contains http, dns and rpc # pthreads - multiple threads for libevent, not exists on Windows # openssl - openssl support for libevent # # By default, the shared libraries of libevent will be found. To find the static ones instead, # you must set the LIBEVENT_STATIC_LINK variable to TRUE before calling find_package(Libevent ...). # If no component provided, all components will be used. # example: # set(LIBEVENT_STATIC_LINK TRUE) # find_package(Libevent 2.2 REQUIRED COMPONENTS core) # include_directories(${LIBEVENT_INCLUDE_DIRS}) # Can be omitted # target_link_libraries(myapp ${LIBEVENT_LIBRARIES}) # or target_link_libraries(myapp libevent::core) # # find_package() can handle dependencies automatically. For example, given the 'openssl' component, # all dependencies (libevent_core, libssl, libcrypto and openssl include directories) will be found. set(CONFIG_FOR_INSTALL_TREE @CONFIG_FOR_INSTALL_TREE@) set(LIBEVENT_VERSION @EVENT_PACKAGE_VERSION@) # IMPORTED targets from LibeventTargets.cmake set(LIBEVENT_STATIC_LIBRARIES "@LIBEVENT_STATIC_LIBRARIES@") set(LIBEVENT_SHARED_LIBRARIES "@LIBEVENT_SHARED_LIBRARIES@") # Default to the same type as libevent was built: if(NOT DEFINED LIBEVENT_STATIC_LINK) set(LIBEVENT_STATIC_LINK NOT @EVENT_LIBRARY_SHARED@) endif() set(CMAKE_FIND_LIBRARY_SUFFIXES_SAVE "${CMAKE_FIND_LIBRARY_SUFFIXES}") if(${LIBEVENT_STATIC_LINK}) set(_LIB_TYPE static) set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_STATIC_LIBRARY_SUFFIX}) set(_AVAILABLE_LIBS "${LIBEVENT_STATIC_LIBRARIES}") else() set(_LIB_TYPE shared) set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_SHARED_LIBRARY_SUFFIX}) set(_AVAILABLE_LIBS "${LIBEVENT_SHARED_LIBRARIES}") endif() # Get the path of the current file. get_filename_component(LIBEVENT_CMAKE_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH) get_filename_component(_INSTALL_PREFIX "${LIBEVENT_CMAKE_DIR}/../../.." ABSOLUTE) macro(message_if_needed _flag _msg) if (NOT ${CMAKE_FIND_PACKAGE_NAME}_FIND_QUIETLY) message(${_flag} "${_msg}") endif() endmacro() macro(no_component_msg _comp) if(${CMAKE_FIND_PACKAGE_NAME}_FIND_REQUIRED_${_comp}) set(pthreadlib) if(NOT WIN32) set(pthreadlib ", pthreads") endif() message(FATAL_ERROR "Your libevent library does not contain a ${_comp} component!\n" "The valid components are core, extra${pthreadlib} and openssl.") else() message_if_needed(WARNING "Your libevent library does not contain a ${_comp} component!") endif() endmacro() set(_EVENT_COMPONENTS) if(${CMAKE_FIND_PACKAGE_NAME}_FIND_COMPONENTS) list(REMOVE_DUPLICATES ${CMAKE_FIND_PACKAGE_NAME}_FIND_COMPONENTS) foreach(_comp ${${CMAKE_FIND_PACKAGE_NAME}_FIND_COMPONENTS}) list(FIND _AVAILABLE_LIBS ${_comp} _INDEX) if(_INDEX GREATER -1) list(APPEND _EVENT_COMPONENTS ${_comp}) else() no_component_msg(${_comp}) endif() endforeach() else() set(_EVENT_COMPONENTS ${_AVAILABLE_LIBS}) endif() set(_POSSIBLE_PKG_NAMES) list(APPEND _POSSIBLE_PKG_NAMES ${CMAKE_FIND_PACKAGE_NAME} LIBEVENT Libevent libevent) list(REMOVE_DUPLICATES _POSSIBLE_PKG_NAMES) macro(set_case_insensitive_found _comp) foreach(name ${_POSSIBLE_PKG_NAMES}) if("${_comp}" STREQUAL "") set(${name}_FOUND TRUE) set(${name}_NOTFOUND FALSE) else() set(${name}_${_comp}_FOUND TRUE) set(${name}_${_comp}_NOTFOUND FALSE) endif() endforeach() endmacro() if(CONFIG_FOR_INSTALL_TREE) ## Config for install tree ---------------------------------------- # Find includes unset(_event_h CACHE) find_path(_event_h NAMES event2/event.h PATHS "${_INSTALL_PREFIX}/include" NO_DEFAULT_PATH) if(_event_h) set(LIBEVENT_INCLUDE_DIRS "${_event_h}") message_if_needed(STATUS "Found libevent include directory: ${_event_h}") else() message_if_needed(WARNING "Your libevent library does not contain header files!") endif() # Find libraries macro(find_event_lib _comp) unset(_event_lib CACHE) find_library(_event_lib NAMES "event_${_comp}" PATHS "${_INSTALL_PREFIX}/lib" NO_DEFAULT_PATH) if(_event_lib) list(APPEND LIBEVENT_LIBRARIES "libevent::${_comp}") set_case_insensitive_found(${_comp}) message_if_needed(STATUS "Found libevent component: ${_event_lib}") else() no_component_msg(${_comp}) endif() endmacro() foreach(comp ${_EVENT_COMPONENTS}) find_event_lib(${comp}) endforeach() else() ## Config for build tree ---------------------------------------- set(LIBEVENT_INCLUDE_DIRS "@EVENT__INCLUDE_DIRS@") foreach(_comp ${_EVENT_COMPONENTS}) list(APPEND LIBEVENT_LIBRARIES "libevent::${_comp}") set_case_insensitive_found(${_comp}) endforeach() endif() set(LIBEVENT_INCLUDE_DIR ${LIBEVENT_INCLUDE_DIRS}) if(LIBEVENT_LIBRARIES) set(LIBEVENT_LIBRARY ${LIBEVENT_LIBRARIES}) if(CONFIG_FOR_INSTALL_TREE) message_if_needed(STATUS "Found libevent ${LIBEVENT_VERSION} in ${_INSTALL_PREFIX}") else() message_if_needed(STATUS "Found libevent ${LIBEVENT_VERSION} in ${LIBEVENT_CMAKE_DIR}") endif() # Avoid including targets more than one times if(NOT TARGET event_core_${_LIB_TYPE}) # Include the project Targets file, this contains definitions for IMPORTED targets. include(${LIBEVENT_CMAKE_DIR}/LibeventTargets-${_LIB_TYPE}.cmake) endif() else() if(${CMAKE_FIND_PACKAGE_NAME}_FIND_REQUIRED) message(FATAL_ERROR "Can not find any libraries for libevent.") else() message_if_needed(WARNING "Can not find any libraries for libevent.") endif() endif() set(CMAKE_FIND_LIBRARY_SUFFIXES "${CMAKE_FIND_LIBRARY_SUFFIXES_SAVE}") unset(_LIB_TYPE) unset(_AVAILABLE_LIBS) unset(_EVENT_COMPONENTS) unset(_POSSIBLE_PKG_NAMES) unset(_INSTALL_PREFIX) lldpd-1.0.18/libevent/cmake/CheckFileOffsetBits.cmake0000644000076400001440000000366714111362571021653 0ustar00bernatusers# - Check if _FILE_OFFSET_BITS macro needed for large files # CHECK_FILE_OFFSET_BITS () # # The following variables may be set before calling this macro to # modify the way the check is run: # # CMAKE_REQUIRED_FLAGS = string of compile command line flags # CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar) # CMAKE_REQUIRED_INCLUDES = list of include directories # Copyright (c) 2009, Michihiro NAKAJIMA # # Redistribution and use is allowed according to the terms of the BSD license. # For details see the accompanying COPYING-CMAKE-SCRIPTS file. #INCLUDE(CheckCSourceCompiles) GET_FILENAME_COMPONENT(_selfdir_CheckFileOffsetBits "${CMAKE_CURRENT_LIST_FILE}" PATH) MACRO (CHECK_FILE_OFFSET_BITS) IF(NOT DEFINED _FILE_OFFSET_BITS) MESSAGE(STATUS "Cheking _FILE_OFFSET_BITS for large files") TRY_COMPILE(__WITHOUT_FILE_OFFSET_BITS_64 ${CMAKE_CURRENT_BINARY_DIR} ${_selfdir_CheckFileOffsetBits}/CheckFileOffsetBits.c COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}) IF(NOT __WITHOUT_FILE_OFFSET_BITS_64) TRY_COMPILE(__WITH_FILE_OFFSET_BITS_64 ${CMAKE_CURRENT_BINARY_DIR} ${_selfdir_CheckFileOffsetBits}/CheckFileOffsetBits.c COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} -D_FILE_OFFSET_BITS=64) ENDIF(NOT __WITHOUT_FILE_OFFSET_BITS_64) IF(NOT __WITHOUT_FILE_OFFSET_BITS_64 AND __WITH_FILE_OFFSET_BITS_64) SET(_FILE_OFFSET_BITS 64 CACHE INTERNAL "_FILE_OFFSET_BITS macro needed for large files") MESSAGE(STATUS "Cheking _FILE_OFFSET_BITS for large files - needed") ELSE(NOT __WITHOUT_FILE_OFFSET_BITS_64 AND __WITH_FILE_OFFSET_BITS_64) SET(_FILE_OFFSET_BITS "" CACHE INTERNAL "_FILE_OFFSET_BITS macro needed for large files") MESSAGE(STATUS "Cheking _FILE_OFFSET_BITS for large files - not needed") ENDIF(NOT __WITHOUT_FILE_OFFSET_BITS_64 AND __WITH_FILE_OFFSET_BITS_64) ENDIF(NOT DEFINED _FILE_OFFSET_BITS) ENDMACRO (CHECK_FILE_OFFSET_BITS) lldpd-1.0.18/libevent/cmake/UseDoxygen.cmake0000644000076400001440000000723014111362571020125 0ustar00bernatusers# Use FindDoxygen.cmake to generate documentation. option(DOXYGEN_GENERATE_HTML "Generate HTML" ON) option(DOXYGEN_GENERATE_MAN "Generate man pages" OFF) option(DOXYGEN_MAN_LINKS "Generate man links" ON) option(DOXYGEN_GENERATE_LATEX "Generate LaTeX" OFF) # If the case-insensitive value of the cmake option is one of # "off, no, false" or 0, it is equal to false, otherwise true. # And the values of the doxygen config does not exactly match it. # So we need to convert the cmake option to a doxygen config. macro(_convert_to_dx_cfg CMK_OPTION) if (${CMK_OPTION}) set(${CMK_OPTION} YES) else() set(${CMK_OPTION} NO) endif() endmacro() macro(UseDoxygen) if (${CMAKE_VERSION} VERSION_LESS "3.9") # Old versions of cmake have poor support for Doxygen generation. message(FATAL_ERROR "Doxygen generation only enabled for cmake 3.9 and higher") else() find_package(Doxygen) if (DOXYGEN_FOUND) set(DOXYGEN_PROJECT_NAME ${PROJECT_NAME}) set(DOXYGEN_PROJECT_NUMBER ${EVENT_PACKAGE_VERSION}) set(DOXYGEN_PROJECT_BRIEF "Event notification library") set(DOXYGEN_OUTPUT_DIRECTORY doxygen) set(DOXYGEN_STRIP_FROM_PATH include) set(DOXYGEN_JAVADOC_AUTOBRIEF YES) set(DOXYGEN_OPTIMIZE_OUTPUT_FOR_C YES) set(DOXYGEN_SORT_BRIEF_DOCS YES) set(DOXYGEN_RECURSIVE NO) _convert_to_dx_cfg(DOXYGEN_GENERATE_HTML) _convert_to_dx_cfg(DOXYGEN_GENERATE_MAN) _convert_to_dx_cfg(DOXYGEN_MAN_LINKS) _convert_to_dx_cfg(DOXYGEN_GENERATE_LATEX) set(DOXYGEN_LATEX_CMD_NAME latex) set(DOXYGEN_PAPER_TYPE a4wide) set(DOXYGEN_PDF_HYPERLINKS NO) set(DOXYGEN_GENERATE_RTF NO) set(DOXYGEN_GENERATE_XML NO) set(DOXYGEN_GENERATE_CHI NO) set(DOXYGEN_PREDEFINED TAILQ_ENTRY RB_ENTRY EVENT_DEFINED_TQENTRY_ EVENT_IN_DOXYGEN_ ) set(DOX_INPUT include/event2/buffer.h include/event2/buffer_compat.h include/event2/bufferevent.h include/event2/bufferevent_compat.h include/event2/bufferevent_ssl.h include/event2/dns.h include/event2/dns_compat.h include/event2/event.h include/event2/event_compat.h include/event2/http.h include/event2/http_compat.h include/event2/listener.h include/event2/rpc.h include/event2/rpc_compat.h include/event2/tag.h include/event2/tag_compat.h include/event2/thread.h include/event2/util.h ) # Add 'doxygen' target doxygen_add_docs(doxygen ${DOX_INPUT} ALL WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} COMMENT "Generating doxygen documentation for ${PROJECT_NAME}..." ) # Use 'make clean' to remove the generated directory set_property(DIRECTORY PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "${PROJECT_BINARY_DIR}/${DOXYGEN_OUTPUT_DIRECTORY}" ) # Install html into /share/doc/ if ("${DOXYGEN_GENERATE_HTML}" STREQUAL "YES") install(DIRECTORY ${PROJECT_BINARY_DIR}/${DOXYGEN_OUTPUT_DIRECTORY}/html DESTINATION ${CMAKE_INSTALL_PREFIX}/share/doc/${PROJECT_NAME} COMPONENT doc ) endif() # Install manual into /share/man/man3 if ("${DOXYGEN_GENERATE_MAN}" STREQUAL "YES") install(DIRECTORY ${PROJECT_BINARY_DIR}/${DOXYGEN_OUTPUT_DIRECTORY}/man/man3 DESTINATION ${CMAKE_INSTALL_PREFIX}/share/man COMPONENT doc ) endif() else(DOXYGEN_FOUND) message(FATAL_ERROR "Doxygen command not found, set EVENT__DOXYGEN to disable") endif (DOXYGEN_FOUND) endif() endmacro() lldpd-1.0.18/libevent/cmake/CheckWorkingKqueue.cmake0000644000076400001440000000167214111362571021575 0ustar00bernatusersinclude(CheckCSourceRuns) check_c_source_runs( " #include #include #include #include #include #include int main(int argc, char **argv) { int kq; int n; int fd[2]; struct kevent ev; struct timespec ts; char buf[80000]; if (pipe(fd) == -1) exit(1); if (fcntl(fd[1], F_SETFL, O_NONBLOCK) == -1) exit(1); while ((n = write(fd[1], buf, sizeof(buf))) == sizeof(buf)) ; if ((kq = kqueue()) == -1) exit(1); memset(&ev, 0, sizeof(ev)); ev.ident = fd[1]; ev.filter = EVFILT_WRITE; ev.flags = EV_ADD | EV_ENABLE; n = kevent(kq, &ev, 1, NULL, 0, NULL); if (n == -1) exit(1); read(fd[0], buf, sizeof(buf)); ts.tv_sec = 0; ts.tv_nsec = 0; n = kevent(kq, NULL, 0, &ev, 1, &ts); if (n == -1 || n == 0) exit(1); exit(0); } " EVENT__HAVE_WORKING_KQUEUE) lldpd-1.0.18/libevent/cmake/COPYING-CMAKE-SCRIPTS0000644000076400001440000000245614111362571020034 0ustar00bernatusersRedistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.lldpd-1.0.18/libevent/cmake/VersionViaGit.cmake0000644000076400001440000000367214111362571020572 0ustar00bernatusers# This module defines the following variables utilizing # git to determine the parent tag. And if found the macro # will attempt to parse them in the github tag fomat # # Useful for auto-versioning in our CMakeLists # # EVENT_GIT___VERSION_MAJOR - Major version. # EVENT_GIT___VERSION_MINOR - Minor version # EVENT_GIT___VERSION_STAGE - Stage version # # Example usage: # # event_fuzzy_version_from_git() # message("Libvent major=${EVENT_GIT___VERSION_MAJOR}") # message(" minor=${EVENT_GIT___VERSION_MINOR}") # message(" patch=${EVENT_GIT___VERSION_PATCH}") # message(" stage=${EVENT_GIT___VERSION_STAGE}") # endif() include(FindGit) macro(event_fuzzy_version_from_git) # set our defaults. set(EVENT_GIT___VERSION_MAJOR 2) set(EVENT_GIT___VERSION_MINOR 1) set(EVENT_GIT___VERSION_PATCH 12) set(EVENT_GIT___VERSION_STAGE "stable") find_package(Git) if (GIT_FOUND) execute_process( COMMAND ${GIT_EXECUTABLE} describe --abbrev=0 --always WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} RESULT_VARIABLE GITRET OUTPUT_VARIABLE GITVERSION OUTPUT_STRIP_TRAILING_WHITESPACE ) string(REGEX REPLACE "[\\._-]" ";" VERSION_LIST "${GITVERSION}") if(VERSION_LIST) list(LENGTH VERSION_LIST VERSION_LIST_LENGTH) endif() if ((GITRET EQUAL 0) AND (VERSION_LIST_LENGTH EQUAL 5)) list(GET VERSION_LIST 1 _MAJOR) list(GET VERSION_LIST 2 _MINOR) list(GET VERSION_LIST 3 _PATCH) list(GET VERSION_LIST 4 _STAGE) set(_DEFAULT_VERSION "${EVENT_GIT___VERSION_MAJOR}.${EVENT_GIT___VERSION_MINOR}.${EVENT_GIT___VERSION_PATCH}-${EVENT_GIT___VERSION_STAGE}") set(_GIT_VERSION "${_MAJOR}.${_MINOR}.${_PATCH}-${_STAGE}") if (${_DEFAULT_VERSION} VERSION_LESS ${_GIT_VERSION}) set(EVENT_GIT___VERSION_MAJOR ${_MAJOR}) set(EVENT_GIT___VERSION_MINOR ${_MINOR}) set(EVENT_GIT___VERSION_PATCH ${_PATCH}) set(EVENT_GIT___VERSION_STAGE ${_STAGE}) endif() endif() endif() endmacro() lldpd-1.0.18/libevent/cmake/CodeCoverage.cmake0000644000076400001440000001430514111362571020362 0ustar00bernatusers# # Boost Software License - Version 1.0 - August 17th, 2003 # # Permission is hereby granted, free of charge, to any person or organization # obtaining a copy of the software and accompanying documentation covered by # this license (the "Software") to use, reproduce, display, distribute, # execute, and transmit the Software, and to prepare derivative works of the # Software, and to permit third-parties to whom the Software is furnished to # do so, all subject to the following: # # The copyright notices in the Software and this entire statement, including # the above license grant, this restriction and the following disclaimer, # must be included in all copies of the Software, in whole or in part, and # all derivative works of the Software, unless such copies or derivative # works are solely in the form of machine-executable object code generated by # a source language processor. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT # SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE # FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, # ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER # DEALINGS IN THE SOFTWARE. # # 2012-01-31, Lars Bilke # - Enable Code Coverage # # 2013-09-17, Joakim Söderberg # - Added support for Clang. # - Some additional usage instructions. # # 2016-11-02, Azat Khuzhin # - Adopt for C compiler only (libevent) # # USAGE: # 1. Copy this file into your cmake modules path. # # 2. Add the following line to your CMakeLists.txt: # INCLUDE(CodeCoverage) # # 3. Set compiler flags to turn off optimization and enable coverage: # SET(CMAKE_CXX_FLAGS "-g -O0 -fprofile-arcs -ftest-coverage") # SET(CMAKE_C_FLAGS "-g -O0 -fprofile-arcs -ftest-coverage") # # 3. Use the function SETUP_TARGET_FOR_COVERAGE to create a custom make target # which runs your test executable and produces a lcov code coverage report: # Example: # SETUP_TARGET_FOR_COVERAGE( # my_coverage_target # Name for custom target. # test_driver # Name of the test driver executable that runs the tests. # # NOTE! This should always have a ZERO as exit code # # otherwise the coverage generation will not complete. # coverage # Name of output directory. # ) # # 4. Build a Debug build: # cmake -DCMAKE_BUILD_TYPE=Debug .. # make # make my_coverage_target # # # Check prereqs FIND_PROGRAM( GCOV_PATH gcov ) FIND_PROGRAM( LCOV_PATH lcov ) FIND_PROGRAM( GENHTML_PATH genhtml ) FIND_PROGRAM( GCOVR_PATH gcovr PATHS ${CMAKE_SOURCE_DIR}/tests) IF(NOT GCOV_PATH) MESSAGE(FATAL_ERROR "gcov not found! Aborting...") ENDIF() # NOT GCOV_PATH IF(NOT CMAKE_COMPILER_IS_GNUCC) # Clang version 3.0.0 and greater now supports gcov as well. MESSAGE(WARNING "Compiler is not GNU gcc! Clang Version 3.0.0 and greater supports gcov as well, but older versions don't.") IF(NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang") MESSAGE(FATAL_ERROR "Compiler is not GNU gcc! Aborting...") ENDIF() ENDIF() # NOT CMAKE_COMPILER_IS_GNUCC IF ( NOT CMAKE_BUILD_TYPE STREQUAL "Debug" ) MESSAGE( WARNING "Code coverage results with an optimized (non-Debug) build may be misleading" ) ENDIF() # NOT CMAKE_BUILD_TYPE STREQUAL "Debug" # Param _targetname The name of new the custom make target # Param _testrunner The name of the target which runs the tests. # MUST return ZERO always, even on errors. # If not, no coverage report will be created! # Param _outputname lcov output is generated as _outputname.info # HTML report is generated in _outputname/index.html # Optional fourth parameter is passed as arguments to _testrunner # Pass them in list form, e.g.: "-j;2" for -j 2 FUNCTION(SETUP_TARGET_FOR_COVERAGE _targetname _testrunner _outputname) IF(NOT LCOV_PATH) MESSAGE(FATAL_ERROR "lcov not found! Aborting...") ENDIF() # NOT LCOV_PATH IF(NOT GENHTML_PATH) MESSAGE(FATAL_ERROR "genhtml not found! Aborting...") ENDIF() # NOT GENHTML_PATH # Setup target ADD_CUSTOM_TARGET(${_targetname} # Cleanup lcov ${LCOV_PATH} --directory . --zerocounters # Run tests COMMAND ${_testrunner} ${ARGV3} # Capturing lcov counters and generating report COMMAND ${LCOV_PATH} --directory . --capture --output-file ${_outputname}.info COMMAND ${LCOV_PATH} --remove ${_outputname}.info 'tests/*' '/usr/*' --output-file ${_outputname}.info.cleaned COMMAND ${GENHTML_PATH} -o ${_outputname} ${_outputname}.info.cleaned COMMAND ${CMAKE_COMMAND} -E remove ${_outputname}.info ${_outputname}.info.cleaned WORKING_DIRECTORY ${CMAKE_BINARY_DIR} COMMENT "Resetting code coverage counters to zero.\nProcessing code coverage counters and generating report." ) # Show info where to find the report ADD_CUSTOM_COMMAND(TARGET ${_targetname} POST_BUILD COMMAND ; COMMENT "Open ./${_outputname}/index.html in your browser to view the coverage report." ) ENDFUNCTION() # SETUP_TARGET_FOR_COVERAGE # Param _targetname The name of new the custom make target # Param _testrunner The name of the target which runs the tests # Param _outputname cobertura output is generated as _outputname.xml # Optional fourth parameter is passed as arguments to _testrunner # Pass them in list form, e.g.: "-j;2" for -j 2 FUNCTION(SETUP_TARGET_FOR_COVERAGE_COBERTURA _targetname _testrunner _outputname) IF(NOT PYTHON_EXECUTABLE) MESSAGE(FATAL_ERROR "Python not found! Aborting...") ENDIF() # NOT PYTHON_EXECUTABLE IF(NOT GCOVR_PATH) MESSAGE(FATAL_ERROR "gcovr not found! Aborting...") ENDIF() # NOT GCOVR_PATH ADD_CUSTOM_TARGET(${_targetname} # Run tests ${_testrunner} ${ARGV3} # Running gcovr COMMAND ${GCOVR_PATH} -x -r ${CMAKE_SOURCE_DIR} -e '${CMAKE_SOURCE_DIR}/tests/' -o ${_outputname}.xml WORKING_DIRECTORY ${CMAKE_BINARY_DIR} COMMENT "Running gcovr to produce Cobertura code coverage report." ) # Show info where to find the report ADD_CUSTOM_COMMAND(TARGET ${_targetname} POST_BUILD COMMAND ; COMMENT "Cobertura code coverage report saved in ${_outputname}.xml." ) ENDFUNCTION() # SETUP_TARGET_FOR_COVERAGE_COBERTURA lldpd-1.0.18/libevent/cmake/CheckConstExists.cmake0000644000076400001440000000145714111362571021264 0ustar00bernatusersinclude(CheckCSourceCompiles) macro(check_const_exists CONST FILES VARIABLE) if (NOT DEFINED ${VARIABLE}) set(check_const_exists_source "") foreach(file ${FILES}) set(check_const_exists_source "${check_const_exists_source} #include <${file}>") endforeach() set(check_const_exists_source "${check_const_exists_source} int main() { (void)${CONST}; return 0; }") check_c_source_compiles("${check_const_exists_source}" ${VARIABLE}) if (${${VARIABLE}}) set(${VARIABLE} 1 CACHE INTERNAL "Have const ${CONST}") message(STATUS "Looking for ${CONST} - found") else() set(${VARIABLE} 0 CACHE INTERNAL "Have const ${CONST}") message(STATUS "Looking for ${CONST} - not found") endif() endif() endmacro(check_const_exists) lldpd-1.0.18/libevent/cmake/AddEventLibrary.cmake0000644000076400001440000001550214111362571021053 0ustar00bernatusersinclude(CMakeParseArguments) set(LIBEVENT_SHARED_LIBRARIES "") set(LIBEVENT_STATIC_LIBRARIES "") macro(set_event_shared_lib_flags LIB_NAME) set_target_properties("${LIB_NAME}_shared" PROPERTIES COMPILE_FLAGS ${ARGN}) set_target_properties("${LIB_NAME}_shared" PROPERTIES LINK_FLAGS ${ARGN}) endmacro() macro(generate_pkgconfig LIB_NAME) set(prefix ${CMAKE_INSTALL_PREFIX}) set(exec_prefix ${CMAKE_INSTALL_PREFIX}) set(libdir ${CMAKE_INSTALL_PREFIX}/lib) set(includedir ${CMAKE_INSTALL_PREFIX}/include) set(VERSION ${EVENT_ABI_LIBVERSION}) set(LIBS "") foreach (LIB ${LIB_PLATFORM}) set(LIBS "${LIBS} -L${LIB}") endforeach() set(OPENSSL_LIBS "") foreach(LIB ${OPENSSL_LIBRARIES}) set(OPENSSL_LIBS "${OPENSSL_LIBS} -L${LIB}") endforeach() configure_file("lib${LIB_NAME}.pc.in" "lib${LIB_NAME}.pc" @ONLY) install( FILES "${CMAKE_CURRENT_BINARY_DIR}/lib${LIB_NAME}.pc" DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig" ) endmacro() # LIB_NAME maybe event_core, event_extra, event_openssl, event_pthreads or event. # Targets whose LIB_NAME is not 'event' should be exported and installed. macro(export_install_target TYPE LIB_NAME OUTER_INCLUDES) if("${LIB_NAME}" STREQUAL "event") install(TARGETS "${LIB_NAME}_${TYPE}" LIBRARY DESTINATION "lib" COMPONENT lib ARCHIVE DESTINATION "lib" COMPONENT lib RUNTIME DESTINATION "lib" COMPONENT lib COMPONENT dev ) else() string(REPLACE "event_" "" PURE_NAME ${LIB_NAME}) string(TOUPPER ${TYPE} UPPER_TYPE) list(APPEND LIBEVENT_${UPPER_TYPE}_LIBRARIES "${PURE_NAME}") set(OUTER_INCS) if (NOT "${OUTER_INCLUDES}" STREQUAL "NONE") set(OUTER_INCS ${OUTER_INCLUDES}) endif() target_include_directories("${LIB_NAME}_${TYPE}" PUBLIC "$" "$" "$" ${OUTER_INCS} ) set_target_properties("${LIB_NAME}_${TYPE}" PROPERTIES EXPORT_NAME ${PURE_NAME}) export(TARGETS "${LIB_NAME}_${TYPE}" NAMESPACE ${PROJECT_NAME}:: FILE "${PROJECT_BINARY_DIR}/LibeventTargets-${TYPE}.cmake" APPEND ) install(TARGETS "${LIB_NAME}_${TYPE}" EXPORT LibeventTargets-${TYPE} LIBRARY DESTINATION "lib" COMPONENT lib ARCHIVE DESTINATION "lib" COMPONENT lib RUNTIME DESTINATION "lib" COMPONENT lib COMPONENT dev ) endif() endmacro() # Global variables that it uses: # - EVENT_ABI_LIBVERSION # - EVENT_ABI_LIBVERSION_CURRENT # - EVENT_ABI_LIBVERSION_REVISION # - EVENT_ABI_LIBVERSION_AGE # - EVENT_PACKAGE_RELEASE # - CMAKE_THREAD_LIBS_INIT LIB_PLATFORM # - OPENSSL_LIBRARIES # - EVENT_SHARED_FLAGS # - EVENT_LIBRARY_STATIC # - EVENT_LIBRARY_SHARED # # Exported variables: # - LIBEVENT_SHARED_LIBRARIES # - LIBEVENT_STATIC_LIBRARIES macro(add_event_library LIB_NAME) cmake_parse_arguments(LIB "" # Options "VERSION" # One val "SOURCES;LIBRARIES;INNER_LIBRARIES;OUTER_INCLUDES" # Multi val ${ARGN} ) if ("${LIB_OUTER_INCLUDES}" STREQUAL "") set(LIB_OUTER_INCLUDES NONE) endif() set(ADD_EVENT_LIBRARY_INTERFACE) if (${EVENT_LIBRARY_STATIC}) add_library("${LIB_NAME}_static" STATIC ${LIB_SOURCES}) set_target_properties("${LIB_NAME}_static" PROPERTIES OUTPUT_NAME "${LIB_NAME}" CLEAN_DIRECT_OUTPUT 1) if(LIB_INNER_LIBRARIES) set(INNER_LIBRARIES "${LIB_INNER_LIBRARIES}_static") endif() target_link_libraries("${LIB_NAME}_static" ${CMAKE_THREAD_LIBS_INIT} ${LIB_PLATFORM} ${INNER_LIBRARIES} ${LIB_LIBRARIES}) export_install_target(static "${LIB_NAME}" "${LIB_OUTER_INCLUDES}") set(ADD_EVENT_LIBRARY_INTERFACE "${LIB_NAME}_static") endif() if (${EVENT_LIBRARY_SHARED}) add_library("${LIB_NAME}_shared" SHARED ${LIB_SOURCES}) if(LIB_INNER_LIBRARIES) set(INNER_LIBRARIES "${LIB_INNER_LIBRARIES}_shared") endif() target_link_libraries("${LIB_NAME}_shared" ${CMAKE_THREAD_LIBS_INIT} ${LIB_PLATFORM} ${INNER_LIBRARIES} ${LIB_LIBRARIES}) if (EVENT_SHARED_FLAGS) set_event_shared_lib_flags("${LIB_NAME}" "${EVENT_SHARED_FLAGS}") endif() if (WIN32) set_target_properties( "${LIB_NAME}_shared" PROPERTIES OUTPUT_NAME "${LIB_NAME}" SOVERSION ${EVENT_ABI_LIBVERSION}) elseif (APPLE) math(EXPR COMPATIBILITY_VERSION "${EVENT_ABI_LIBVERSION_CURRENT}+1") math(EXPR CURRENT_MINUS_AGE "${EVENT_ABI_LIBVERSION_CURRENT}-${EVENT_ABI_LIBVERSION_AGE}") set_target_properties( "${LIB_NAME}_shared" PROPERTIES OUTPUT_NAME "${LIB_NAME}-${EVENT_PACKAGE_RELEASE}.${CURRENT_MINUS_AGE}" INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/lib" LINK_FLAGS "-compatibility_version ${COMPATIBILITY_VERSION} -current_version ${COMPATIBILITY_VERSION}.${EVENT_ABI_LIBVERSION_REVISION}") else() math(EXPR CURRENT_MINUS_AGE "${EVENT_ABI_LIBVERSION_CURRENT}-${EVENT_ABI_LIBVERSION_AGE}") set_target_properties( "${LIB_NAME}_shared" PROPERTIES OUTPUT_NAME "${LIB_NAME}-${EVENT_PACKAGE_RELEASE}" VERSION "${CURRENT_MINUS_AGE}.${EVENT_ABI_LIBVERSION_AGE}.${EVENT_ABI_LIBVERSION_REVISION}" SOVERSION "${CURRENT_MINUS_AGE}" INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib") endif() if (NOT WIN32) set(LIB_LINK_NAME "${CMAKE_SHARED_LIBRARY_PREFIX}${LIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}") add_custom_command(TARGET ${LIB_NAME}_shared POST_BUILD COMMAND ${CMAKE_COMMAND} -E create_symlink "$" "${LIB_LINK_NAME}" WORKING_DIRECTORY "${CMAKE_LIBRARY_OUTPUT_DIRECTORY}") endif() export_install_target(shared "${LIB_NAME}" "${LIB_OUTER_INCLUDES}") set(ADD_EVENT_LIBRARY_INTERFACE "${LIB_NAME}_shared") if (NOT WIN32) install(FILES "$/${LIB_LINK_NAME}" DESTINATION "lib" COMPONENT lib) endif() endif() add_library(${LIB_NAME} INTERFACE) target_link_libraries(${LIB_NAME} INTERFACE ${ADD_EVENT_LIBRARY_INTERFACE}) generate_pkgconfig("${LIB_NAME}") endmacro() lldpd-1.0.18/libevent/cmake/LibeventConfigVersion.cmake.in0000644000076400001440000000060214111362571022700 0ustar00bernatusersset(PACKAGE_VERSION "@EVENT_PACKAGE_VERSION@") # Check whether the requested PACKAGE_FIND_VERSION is compatible if("${PACKAGE_VERSION}" VERSION_LESS "${PACKAGE_FIND_VERSION}") set(PACKAGE_VERSION_COMPATIBLE FALSE) else() set(PACKAGE_VERSION_COMPATIBLE TRUE) if ("${PACKAGE_VERSION}" VERSION_EQUAL "${PACKAGE_FIND_VERSION}") set(PACKAGE_VERSION_EXACT TRUE) endif() endif() lldpd-1.0.18/libevent/cmake/Uninstall.cmake.in0000644000076400001440000000210614111362571020406 0ustar00bernatusers# https://gitlab.kitware.com/cmake/community/wikis/FAQ#can-i-do-make-uninstall-with-cmake if(NOT EXISTS "@CMAKE_BINARY_DIR@/install_manifest.txt") message(FATAL_ERROR "Cannot find install manifest: @CMAKE_BINARY_DIR@/install_manifest.txt") endif(NOT EXISTS "@CMAKE_BINARY_DIR@/install_manifest.txt") file(READ "@CMAKE_BINARY_DIR@/install_manifest.txt" files) string(REGEX REPLACE "\n" ";" files "${files}") foreach(file ${files}) message(STATUS "Uninstalling $ENV{DESTDIR}${file}") if(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}") exec_program( "@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\"" OUTPUT_VARIABLE rm_out RETURN_VALUE rm_retval ) if(NOT "${rm_retval}" STREQUAL 0) message(FATAL_ERROR "Problem when removing $ENV{DESTDIR}${file}") endif(NOT "${rm_retval}" STREQUAL 0) else(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}") message(STATUS "File $ENV{DESTDIR}${file} does not exist.") endif(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}") endforeach(file) lldpd-1.0.18/libevent/cmake/Macros.cmake0000644000076400001440000000230114111362571017251 0ustar00bernatusersinclude(CheckSymbolExists) include(CheckIncludeFiles) # Check if each symbol in the symbol list exists, # and define PREFIX__HAVE_SYMNAME to 1 if yes. # # SYMLIST: list of symbols to check # HEADERS: header files to be included in check code # PREFIX: the prefix of definition macro(CHECK_SYMBOLS_EXIST SYMLIST HEADERS PREFIX) foreach(SYMNAME ${SYMLIST}) string(TOUPPER "${SYMNAME}" SYMNAME_UPPER) if ("${PREFIX}" STREQUAL "") set(HAVE_SYM_DEF "HAVE_${SYMNAME_UPPER}") else() set(HAVE_SYM_DEF "${PREFIX}__HAVE_${SYMNAME_UPPER}") endif() CHECK_SYMBOL_EXISTS(${SYMNAME} "${HEADERS}" ${HAVE_SYM_DEF}) endforeach() endmacro() # Check if file exists, define PREFIX__HAVE_FILE to 1 if yes, # and collect file to EVENT_INCLUDES macro(CHECK_INCLUDE_FILE_CONCAT FILE PREFIX) string(REGEX REPLACE "[./]" "_" FILE_UL ${FILE}) string(TOUPPER "${FILE_UL}" FILE_UL_UPPER) if ("${PREFIX}" STREQUAL "") set(HAVE_FILE_DEF "HAVE_${FILE_UL_UPPER}") else() set(HAVE_FILE_DEF "${PREFIX}__HAVE_${FILE_UL_UPPER}") endif() CHECK_INCLUDE_FILES("${EVENT_INCLUDES};${FILE}" ${HAVE_FILE_DEF}) if(${HAVE_FILE_DEF}) set(EVENT_INCLUDES ${EVENT_INCLUDES} ${FILE}) endif() endmacro() lldpd-1.0.18/libevent/cmake/Copyright.txt0000644000076400001440000000513714111362571017546 0ustar00bernatusersCMake - Cross Platform Makefile Generator Copyright 2000-2013 Kitware, Inc. Copyright 2000-2011 Insight Software Consortium All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the names of Kitware, Inc., the Insight Software Consortium, nor the names of their contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ------------------------------------------------------------------------------ The above copyright and license notice applies to distributions of CMake in source and binary form. Some source files contain additional notices of original copyright by their contributors; see each source for details. Third-party software packages supplied with CMake under compatible licenses provide their own copyright notices documented in corresponding subdirectories. ------------------------------------------------------------------------------ CMake was initially developed by Kitware with the following sponsorship: * National Library of Medicine at the National Institutes of Health as part of the Insight Segmentation and Registration Toolkit (ITK). * US National Labs (Los Alamos, Livermore, Sandia) ASC Parallel Visualization Initiative. * National Alliance for Medical Image Computing (NAMIC) is funded by the National Institutes of Health through the NIH Roadmap for Medical Research, Grant U54 EB005149. * Kitware, Inc.lldpd-1.0.18/libevent/cmake/CheckPrototypeDefinition.cmake0000644000076400001440000000731514111362571023013 0ustar00bernatusers# - Check if the protoype we expect is correct. # check_prototype_definition(FUNCTION PROTOTYPE RETURN HEADER VARIABLE) # # FUNCTION - The name of the function (used to check if prototype exists) # PROTOTYPE- The prototype to check. # RETURN - The return value of the function. # HEADER - The header files required. # VARIABLE - The variable to store the result. # # Example: # # check_prototype_definition(getpwent_r # "struct passwd *getpwent_r(struct passwd *src, char *buf, int buflen)" # "NULL" # "unistd.h;pwd.h" # SOLARIS_GETPWENT_R) # # The following variables may be set before calling this macro to # modify the way the check is run: # # CMAKE_REQUIRED_FLAGS = string of compile command line flags # CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar) # CMAKE_REQUIRED_INCLUDES = list of include directories # CMAKE_REQUIRED_LIBRARIES = list of libraries to link function(CHECK_PROTOTYPE_DEFINITION _FUNCTION _PROTOTYPE _RETURN _HEADER _VARIABLE) if (${_VARIABLE} MATCHES "^${_VARIABLE}$") set(CHECK_PROTOTYPE_DEFINITION_CONTENT "/* */\n") set(CHECK_PROTOTYPE_DEFINITION_FLAGS ${CMAKE_REQUIRED_FLAGS}) if (CMAKE_REQUIRED_LIBRARIES) set(CHECK_PROTOTYPE_DEFINITION_LIBS "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") else(CMAKE_REQUIRED_LIBRARIES) set(CHECK_PROTOTYPE_DEFINITION_LIBS) endif(CMAKE_REQUIRED_LIBRARIES) if (CMAKE_REQUIRED_INCLUDES) set(CMAKE_SYMBOL_EXISTS_INCLUDES "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}") else(CMAKE_REQUIRED_INCLUDES) set(CMAKE_SYMBOL_EXISTS_INCLUDES) endif(CMAKE_REQUIRED_INCLUDES) foreach(_FILE ${_HEADER}) set(CHECK_PROTOTYPE_DEFINITION_HEADER "${CHECK_PROTOTYPE_DEFINITION_HEADER}#include <${_FILE}>\n") endforeach(_FILE) set(CHECK_PROTOTYPE_DEFINITION_SYMBOL ${_FUNCTION}) set(CHECK_PROTOTYPE_DEFINITION_PROTO ${_PROTOTYPE}) set(CHECK_PROTOTYPE_DEFINITION_RETURN ${_RETURN}) configure_file("${PROJECT_SOURCE_DIR}/cmake/CheckPrototypeDefinition.c.in" "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckPrototypeDefinition.c" @ONLY) file(READ ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckPrototypeDefinition.c _SOURCE) try_compile(${_VARIABLE} ${CMAKE_BINARY_DIR} ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckPrototypeDefinition.c COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${CHECK_PROTOTYPE_DEFINITION_FLAGS} "${CHECK_PROTOTYPE_DEFINITION_LIBS}" "${CMAKE_SYMBOL_EXISTS_INCLUDES}" OUTPUT_VARIABLE OUTPUT) if (${_VARIABLE}) set(${_VARIABLE} 1 CACHE INTERNAL "Have correct prototype for ${_FUNCTION}") message(STATUS "Checking prototype ${_FUNCTION} for ${_VARIABLE} - True") file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log "Determining if the prototype ${_FUNCTION} exists for ${_VARIABLE} passed with the following output:\n" "${OUTPUT}\n\n") else (${_VARIABLE}) message(STATUS "Checking prototype ${_FUNCTION} for ${_VARIABLE} - False") set(${_VARIABLE} 0 CACHE INTERNAL "Have correct prototype for ${_FUNCTION}") file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "Determining if the prototype ${_FUNCTION} exists for ${_VARIABLE} failed with the following output:\n" "${OUTPUT}\n\n${_SOURCE}\n\n") endif (${_VARIABLE}) endif() endfunction(CHECK_PROTOTYPE_DEFINITION) lldpd-1.0.18/libevent/cmake/CheckFileOffsetBits.c0000644000076400001440000000044714111362571021006 0ustar00bernatusers#include #define KB ((off_t)1024) #define MB ((off_t)1024 * KB) #define GB ((off_t)1024 * MB) #define TB ((off_t)1024 * GB) int t2[(((64 * GB -1) % 671088649) == 268434537) && (((TB - (64 * GB -1) + 255) % 1792151290) == 305159546)? 1: -1]; int main() { ; return 0; } lldpd-1.0.18/libevent/cmake/CheckPrototypeDefinition.c.in0000644000076400001440000000100214111362571022545 0ustar00bernatusers@CHECK_PROTOTYPE_DEFINITION_HEADER@ static void cmakeRequireSymbol(int dummy, ...) { (void) dummy; } static void checkSymbol(void) { #ifndef @CHECK_PROTOTYPE_DEFINITION_SYMBOL@ cmakeRequireSymbol(0, &@CHECK_PROTOTYPE_DEFINITION_SYMBOL@); #endif } @CHECK_PROTOTYPE_DEFINITION_PROTO@ { return @CHECK_PROTOTYPE_DEFINITION_RETURN@; } #ifdef __CLASSIC_C__ int main() { int ac; char*av[]; #else int main(int ac, char *av[]) { #endif checkSymbol(); if (ac > 1000) { return *av[0]; } return 0; } lldpd-1.0.18/libevent/cmake/CheckFunctionKeywords.cmake0000644000076400001440000000104114111362571022300 0ustar00bernatusersinclude(CheckCSourceCompiles) macro(check_function_keywords _wordlist) set(${_result} "") foreach(flag ${_wordlist}) string(REGEX REPLACE "[-+/ ()]" "_" flagname "${flag}") string(TOUPPER "${flagname}" flagname) set(have_flag "HAVE_${flagname}") check_c_source_compiles("${flag} void func(); void func() { } int main() { func(); return 0; }" ${have_flag}) if(${have_flag} AND NOT ${_result}) set(${_result} "${flag}") endif(${have_flag} AND NOT ${_result}) endforeach(flag) endmacro(check_function_keywords) lldpd-1.0.18/libevent/cmake/AddCompilerFlags.cmake0000644000076400001440000000052014111362571021166 0ustar00bernatusersinclude(CheckCCompilerFlag) macro(add_compiler_flags) foreach(flag ${ARGN}) string(REGEX REPLACE "[-.+/:= ]" "_" _flag_esc "${flag}") check_c_compiler_flag("${flag}" check_c_compiler_flag_${_flag_esc}) if (check_c_compiler_flag_${_flag_esc}) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}") endif() endforeach() endmacro() lldpd-1.0.18/libevent/evmap.c0000644000076400001440000007052314111362570015231 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #ifdef _WIN32 #include #define WIN32_LEAN_AND_MEAN #include #undef WIN32_LEAN_AND_MEAN #endif #include #if !defined(_WIN32) && defined(EVENT__HAVE_SYS_TIME_H) #include #endif #include #include #include #ifndef _WIN32 #include #endif #include #include #include #include #include #include "event-internal.h" #include "evmap-internal.h" #include "mm-internal.h" #include "changelist-internal.h" /** An entry for an evmap_io list: notes all the events that want to read or write on a given fd, and the number of each. */ struct evmap_io { struct event_dlist events; ev_uint16_t nread; ev_uint16_t nwrite; ev_uint16_t nclose; }; /* An entry for an evmap_signal list: notes all the events that want to know when a signal triggers. */ struct evmap_signal { struct event_dlist events; }; /* On some platforms, fds start at 0 and increment by 1 as they are allocated, and old numbers get used. For these platforms, we implement io maps just like signal maps: as an array of pointers to struct evmap_io. But on other platforms (windows), sockets are not 0-indexed, not necessarily consecutive, and not necessarily reused. There, we use a hashtable to implement evmap_io. */ #ifdef EVMAP_USE_HT struct event_map_entry { HT_ENTRY(event_map_entry) map_node; evutil_socket_t fd; union { /* This is a union in case we need to make more things that can be in the hashtable. */ struct evmap_io evmap_io; } ent; }; /* Helper used by the event_io_map hashtable code; tries to return a good hash * of the fd in e->fd. */ static inline unsigned hashsocket(struct event_map_entry *e) { /* On win32, in practice, the low 2-3 bits of a SOCKET seem not to * matter. Our hashtable implementation really likes low-order bits, * though, so let's do the rotate-and-add trick. */ unsigned h = (unsigned) e->fd; h += (h >> 2) | (h << 30); return h; } /* Helper used by the event_io_map hashtable code; returns true iff e1 and e2 * have the same e->fd. */ static inline int eqsocket(struct event_map_entry *e1, struct event_map_entry *e2) { return e1->fd == e2->fd; } HT_PROTOTYPE(event_io_map, event_map_entry, map_node, hashsocket, eqsocket) HT_GENERATE(event_io_map, event_map_entry, map_node, hashsocket, eqsocket, 0.5, mm_malloc, mm_realloc, mm_free) #define GET_IO_SLOT(x, map, slot, type) \ do { \ struct event_map_entry key_, *ent_; \ key_.fd = slot; \ ent_ = HT_FIND(event_io_map, map, &key_); \ (x) = ent_ ? &ent_->ent.type : NULL; \ } while (0); #define GET_IO_SLOT_AND_CTOR(x, map, slot, type, ctor, fdinfo_len) \ do { \ struct event_map_entry key_, *ent_; \ key_.fd = slot; \ HT_FIND_OR_INSERT_(event_io_map, map_node, hashsocket, map, \ event_map_entry, &key_, ptr, \ { \ ent_ = *ptr; \ }, \ { \ ent_ = mm_calloc(1,sizeof(struct event_map_entry)+fdinfo_len); \ if (EVUTIL_UNLIKELY(ent_ == NULL)) \ return (-1); \ ent_->fd = slot; \ (ctor)(&ent_->ent.type); \ HT_FOI_INSERT_(map_node, map, &key_, ent_, ptr) \ }); \ (x) = &ent_->ent.type; \ } while (0) void evmap_io_initmap_(struct event_io_map *ctx) { HT_INIT(event_io_map, ctx); } void evmap_io_clear_(struct event_io_map *ctx) { struct event_map_entry **ent, **next, *this; for (ent = HT_START(event_io_map, ctx); ent; ent = next) { this = *ent; next = HT_NEXT_RMV(event_io_map, ctx, ent); mm_free(this); } HT_CLEAR(event_io_map, ctx); /* remove all storage held by the ctx. */ } #endif /* Set the variable 'x' to the field in event_map 'map' with fields of type 'struct type *' corresponding to the fd or signal 'slot'. Set 'x' to NULL if there are no entries for 'slot'. Does no bounds-checking. */ #define GET_SIGNAL_SLOT(x, map, slot, type) \ (x) = (struct type *)((map)->entries[slot]) /* As GET_SLOT, but construct the entry for 'slot' if it is not present, by allocating enough memory for a 'struct type', and initializing the new value by calling the function 'ctor' on it. Makes the function return -1 on allocation failure. */ #define GET_SIGNAL_SLOT_AND_CTOR(x, map, slot, type, ctor, fdinfo_len) \ do { \ if ((map)->entries[slot] == NULL) { \ (map)->entries[slot] = \ mm_calloc(1,sizeof(struct type)+fdinfo_len); \ if (EVUTIL_UNLIKELY((map)->entries[slot] == NULL)) \ return (-1); \ (ctor)((struct type *)(map)->entries[slot]); \ } \ (x) = (struct type *)((map)->entries[slot]); \ } while (0) /* If we aren't using hashtables, then define the IO_SLOT macros and functions as thin aliases over the SIGNAL_SLOT versions. */ #ifndef EVMAP_USE_HT #define GET_IO_SLOT(x,map,slot,type) GET_SIGNAL_SLOT(x,map,slot,type) #define GET_IO_SLOT_AND_CTOR(x,map,slot,type,ctor,fdinfo_len) \ GET_SIGNAL_SLOT_AND_CTOR(x,map,slot,type,ctor,fdinfo_len) #define FDINFO_OFFSET sizeof(struct evmap_io) void evmap_io_initmap_(struct event_io_map* ctx) { evmap_signal_initmap_(ctx); } void evmap_io_clear_(struct event_io_map* ctx) { evmap_signal_clear_(ctx); } #endif /** Expand 'map' with new entries of width 'msize' until it is big enough to store a value in 'slot'. */ static int evmap_make_space(struct event_signal_map *map, int slot, int msize) { if (map->nentries <= slot) { int nentries = map->nentries ? map->nentries : 32; void **tmp; if (slot > INT_MAX / 2) return (-1); while (nentries <= slot) nentries <<= 1; if (nentries > INT_MAX / msize) return (-1); tmp = (void **)mm_realloc(map->entries, nentries * msize); if (tmp == NULL) return (-1); memset(&tmp[map->nentries], 0, (nentries - map->nentries) * msize); map->nentries = nentries; map->entries = tmp; } return (0); } void evmap_signal_initmap_(struct event_signal_map *ctx) { ctx->nentries = 0; ctx->entries = NULL; } void evmap_signal_clear_(struct event_signal_map *ctx) { if (ctx->entries != NULL) { int i; for (i = 0; i < ctx->nentries; ++i) { if (ctx->entries[i] != NULL) mm_free(ctx->entries[i]); } mm_free(ctx->entries); ctx->entries = NULL; } ctx->nentries = 0; } /* code specific to file descriptors */ /** Constructor for struct evmap_io */ static void evmap_io_init(struct evmap_io *entry) { LIST_INIT(&entry->events); entry->nread = 0; entry->nwrite = 0; entry->nclose = 0; } /* return -1 on error, 0 on success if nothing changed in the event backend, * and 1 on success if something did. */ int evmap_io_add_(struct event_base *base, evutil_socket_t fd, struct event *ev) { const struct eventop *evsel = base->evsel; struct event_io_map *io = &base->io; struct evmap_io *ctx = NULL; int nread, nwrite, nclose, retval = 0; short res = 0, old = 0; struct event *old_ev; EVUTIL_ASSERT(fd == ev->ev_fd); if (fd < 0) return 0; #ifndef EVMAP_USE_HT if (fd >= io->nentries) { if (evmap_make_space(io, fd, sizeof(struct evmap_io *)) == -1) return (-1); } #endif GET_IO_SLOT_AND_CTOR(ctx, io, fd, evmap_io, evmap_io_init, evsel->fdinfo_len); nread = ctx->nread; nwrite = ctx->nwrite; nclose = ctx->nclose; if (nread) old |= EV_READ; if (nwrite) old |= EV_WRITE; if (nclose) old |= EV_CLOSED; if (ev->ev_events & EV_READ) { if (++nread == 1) res |= EV_READ; } if (ev->ev_events & EV_WRITE) { if (++nwrite == 1) res |= EV_WRITE; } if (ev->ev_events & EV_CLOSED) { if (++nclose == 1) res |= EV_CLOSED; } if (EVUTIL_UNLIKELY(nread > 0xffff || nwrite > 0xffff || nclose > 0xffff)) { event_warnx("Too many events reading or writing on fd %d", (int)fd); return -1; } if (EVENT_DEBUG_MODE_IS_ON() && (old_ev = LIST_FIRST(&ctx->events)) && (old_ev->ev_events&EV_ET) != (ev->ev_events&EV_ET)) { event_warnx("Tried to mix edge-triggered and non-edge-triggered" " events on fd %d", (int)fd); return -1; } if (res) { void *extra = ((char*)ctx) + sizeof(struct evmap_io); /* XXX(niels): we cannot mix edge-triggered and * level-triggered, we should probably assert on * this. */ if (evsel->add(base, ev->ev_fd, old, (ev->ev_events & EV_ET) | res, extra) == -1) return (-1); retval = 1; } ctx->nread = (ev_uint16_t) nread; ctx->nwrite = (ev_uint16_t) nwrite; ctx->nclose = (ev_uint16_t) nclose; LIST_INSERT_HEAD(&ctx->events, ev, ev_io_next); return (retval); } /* return -1 on error, 0 on success if nothing changed in the event backend, * and 1 on success if something did. */ int evmap_io_del_(struct event_base *base, evutil_socket_t fd, struct event *ev) { const struct eventop *evsel = base->evsel; struct event_io_map *io = &base->io; struct evmap_io *ctx; int nread, nwrite, nclose, retval = 0; short res = 0, old = 0; if (fd < 0) return 0; EVUTIL_ASSERT(fd == ev->ev_fd); #ifndef EVMAP_USE_HT if (fd >= io->nentries) return (-1); #endif GET_IO_SLOT(ctx, io, fd, evmap_io); nread = ctx->nread; nwrite = ctx->nwrite; nclose = ctx->nclose; if (nread) old |= EV_READ; if (nwrite) old |= EV_WRITE; if (nclose) old |= EV_CLOSED; if (ev->ev_events & EV_READ) { if (--nread == 0) res |= EV_READ; EVUTIL_ASSERT(nread >= 0); } if (ev->ev_events & EV_WRITE) { if (--nwrite == 0) res |= EV_WRITE; EVUTIL_ASSERT(nwrite >= 0); } if (ev->ev_events & EV_CLOSED) { if (--nclose == 0) res |= EV_CLOSED; EVUTIL_ASSERT(nclose >= 0); } if (res) { void *extra = ((char*)ctx) + sizeof(struct evmap_io); if (evsel->del(base, ev->ev_fd, old, (ev->ev_events & EV_ET) | res, extra) == -1) { retval = -1; } else { retval = 1; } } ctx->nread = nread; ctx->nwrite = nwrite; ctx->nclose = nclose; LIST_REMOVE(ev, ev_io_next); return (retval); } void evmap_io_active_(struct event_base *base, evutil_socket_t fd, short events) { struct event_io_map *io = &base->io; struct evmap_io *ctx; struct event *ev; #ifndef EVMAP_USE_HT if (fd < 0 || fd >= io->nentries) return; #endif GET_IO_SLOT(ctx, io, fd, evmap_io); if (NULL == ctx) return; LIST_FOREACH(ev, &ctx->events, ev_io_next) { if (ev->ev_events & (events & ~EV_ET)) event_active_nolock_(ev, ev->ev_events & events, 1); } } /* code specific to signals */ static void evmap_signal_init(struct evmap_signal *entry) { LIST_INIT(&entry->events); } int evmap_signal_add_(struct event_base *base, int sig, struct event *ev) { const struct eventop *evsel = base->evsigsel; struct event_signal_map *map = &base->sigmap; struct evmap_signal *ctx = NULL; if (sig < 0 || sig >= NSIG) return (-1); if (sig >= map->nentries) { if (evmap_make_space( map, sig, sizeof(struct evmap_signal *)) == -1) return (-1); } GET_SIGNAL_SLOT_AND_CTOR(ctx, map, sig, evmap_signal, evmap_signal_init, base->evsigsel->fdinfo_len); if (LIST_EMPTY(&ctx->events)) { if (evsel->add(base, ev->ev_fd, 0, EV_SIGNAL, NULL) == -1) return (-1); } LIST_INSERT_HEAD(&ctx->events, ev, ev_signal_next); return (1); } int evmap_signal_del_(struct event_base *base, int sig, struct event *ev) { const struct eventop *evsel = base->evsigsel; struct event_signal_map *map = &base->sigmap; struct evmap_signal *ctx; if (sig < 0 || sig >= map->nentries) return (-1); GET_SIGNAL_SLOT(ctx, map, sig, evmap_signal); LIST_REMOVE(ev, ev_signal_next); if (LIST_FIRST(&ctx->events) == NULL) { if (evsel->del(base, ev->ev_fd, 0, EV_SIGNAL, NULL) == -1) return (-1); } return (1); } void evmap_signal_active_(struct event_base *base, evutil_socket_t sig, int ncalls) { struct event_signal_map *map = &base->sigmap; struct evmap_signal *ctx; struct event *ev; if (sig < 0 || sig >= map->nentries) return; GET_SIGNAL_SLOT(ctx, map, sig, evmap_signal); if (!ctx) return; LIST_FOREACH(ev, &ctx->events, ev_signal_next) event_active_nolock_(ev, EV_SIGNAL, ncalls); } void * evmap_io_get_fdinfo_(struct event_io_map *map, evutil_socket_t fd) { struct evmap_io *ctx; GET_IO_SLOT(ctx, map, fd, evmap_io); if (ctx) return ((char*)ctx) + sizeof(struct evmap_io); else return NULL; } /* Callback type for evmap_io_foreach_fd */ typedef int (*evmap_io_foreach_fd_cb)( struct event_base *, evutil_socket_t, struct evmap_io *, void *); /* Multipurpose helper function: Iterate over every file descriptor event_base * for which we could have EV_READ or EV_WRITE events. For each such fd, call * fn(base, signum, evmap_io, arg), where fn is the user-provided * function, base is the event_base, signum is the signal number, evmap_io * is an evmap_io structure containing a list of events pending on the * file descriptor, and arg is the user-supplied argument. * * If fn returns 0, continue on to the next signal. Otherwise, return the same * value that fn returned. * * Note that there is no guarantee that the file descriptors will be processed * in any particular order. */ static int evmap_io_foreach_fd(struct event_base *base, evmap_io_foreach_fd_cb fn, void *arg) { evutil_socket_t fd; struct event_io_map *iomap = &base->io; int r = 0; #ifdef EVMAP_USE_HT struct event_map_entry **mapent; HT_FOREACH(mapent, event_io_map, iomap) { struct evmap_io *ctx = &(*mapent)->ent.evmap_io; fd = (*mapent)->fd; #else for (fd = 0; fd < iomap->nentries; ++fd) { struct evmap_io *ctx = iomap->entries[fd]; if (!ctx) continue; #endif if ((r = fn(base, fd, ctx, arg))) break; } return r; } /* Callback type for evmap_signal_foreach_signal */ typedef int (*evmap_signal_foreach_signal_cb)( struct event_base *, int, struct evmap_signal *, void *); /* Multipurpose helper function: Iterate over every signal number in the * event_base for which we could have signal events. For each such signal, * call fn(base, signum, evmap_signal, arg), where fn is the user-provided * function, base is the event_base, signum is the signal number, evmap_signal * is an evmap_signal structure containing a list of events pending on the * signal, and arg is the user-supplied argument. * * If fn returns 0, continue on to the next signal. Otherwise, return the same * value that fn returned. */ static int evmap_signal_foreach_signal(struct event_base *base, evmap_signal_foreach_signal_cb fn, void *arg) { struct event_signal_map *sigmap = &base->sigmap; int r = 0; int signum; for (signum = 0; signum < sigmap->nentries; ++signum) { struct evmap_signal *ctx = sigmap->entries[signum]; if (!ctx) continue; if ((r = fn(base, signum, ctx, arg))) break; } return r; } /* Helper for evmap_reinit_: tell the backend to add every fd for which we have * pending events, with the appropriate combination of EV_READ, EV_WRITE, and * EV_ET. */ static int evmap_io_reinit_iter_fn(struct event_base *base, evutil_socket_t fd, struct evmap_io *ctx, void *arg) { const struct eventop *evsel = base->evsel; void *extra; int *result = arg; short events = 0; struct event *ev; EVUTIL_ASSERT(ctx); extra = ((char*)ctx) + sizeof(struct evmap_io); if (ctx->nread) events |= EV_READ; if (ctx->nwrite) events |= EV_WRITE; if (ctx->nclose) events |= EV_CLOSED; if (evsel->fdinfo_len) memset(extra, 0, evsel->fdinfo_len); if (events && (ev = LIST_FIRST(&ctx->events)) && (ev->ev_events & EV_ET)) events |= EV_ET; if (evsel->add(base, fd, 0, events, extra) == -1) *result = -1; return 0; } /* Helper for evmap_reinit_: tell the backend to add every signal for which we * have pending events. */ static int evmap_signal_reinit_iter_fn(struct event_base *base, int signum, struct evmap_signal *ctx, void *arg) { const struct eventop *evsel = base->evsigsel; int *result = arg; if (!LIST_EMPTY(&ctx->events)) { if (evsel->add(base, signum, 0, EV_SIGNAL, NULL) == -1) *result = -1; } return 0; } int evmap_reinit_(struct event_base *base) { int result = 0; evmap_io_foreach_fd(base, evmap_io_reinit_iter_fn, &result); if (result < 0) return -1; evmap_signal_foreach_signal(base, evmap_signal_reinit_iter_fn, &result); if (result < 0) return -1; return 0; } /* Helper for evmap_delete_all_: delete every event in an event_dlist. */ static int delete_all_in_dlist(struct event_dlist *dlist) { struct event *ev; while ((ev = LIST_FIRST(dlist))) event_del(ev); return 0; } /* Helper for evmap_delete_all_: delete every event pending on an fd. */ static int evmap_io_delete_all_iter_fn(struct event_base *base, evutil_socket_t fd, struct evmap_io *io_info, void *arg) { return delete_all_in_dlist(&io_info->events); } /* Helper for evmap_delete_all_: delete every event pending on a signal. */ static int evmap_signal_delete_all_iter_fn(struct event_base *base, int signum, struct evmap_signal *sig_info, void *arg) { return delete_all_in_dlist(&sig_info->events); } void evmap_delete_all_(struct event_base *base) { evmap_signal_foreach_signal(base, evmap_signal_delete_all_iter_fn, NULL); evmap_io_foreach_fd(base, evmap_io_delete_all_iter_fn, NULL); } /** Per-fd structure for use with changelists. It keeps track, for each fd or * signal using the changelist, of where its entry in the changelist is. */ struct event_changelist_fdinfo { int idxplus1; /* this is the index +1, so that memset(0) will make it * a no-such-element */ }; void event_changelist_init_(struct event_changelist *changelist) { changelist->changes = NULL; changelist->changes_size = 0; changelist->n_changes = 0; } /** Helper: return the changelist_fdinfo corresponding to a given change. */ static inline struct event_changelist_fdinfo * event_change_get_fdinfo(struct event_base *base, const struct event_change *change) { char *ptr; if (change->read_change & EV_CHANGE_SIGNAL) { struct evmap_signal *ctx; GET_SIGNAL_SLOT(ctx, &base->sigmap, change->fd, evmap_signal); ptr = ((char*)ctx) + sizeof(struct evmap_signal); } else { struct evmap_io *ctx; GET_IO_SLOT(ctx, &base->io, change->fd, evmap_io); ptr = ((char*)ctx) + sizeof(struct evmap_io); } return (void*)ptr; } /** Callback helper for event_changelist_assert_ok */ static int event_changelist_assert_ok_foreach_iter_fn( struct event_base *base, evutil_socket_t fd, struct evmap_io *io, void *arg) { struct event_changelist *changelist = &base->changelist; struct event_changelist_fdinfo *f; f = (void*) ( ((char*)io) + sizeof(struct evmap_io) ); if (f->idxplus1) { struct event_change *c = &changelist->changes[f->idxplus1 - 1]; EVUTIL_ASSERT(c->fd == fd); } return 0; } /** Make sure that the changelist is consistent with the evmap structures. */ static void event_changelist_assert_ok(struct event_base *base) { int i; struct event_changelist *changelist = &base->changelist; EVUTIL_ASSERT(changelist->changes_size >= changelist->n_changes); for (i = 0; i < changelist->n_changes; ++i) { struct event_change *c = &changelist->changes[i]; struct event_changelist_fdinfo *f; EVUTIL_ASSERT(c->fd >= 0); f = event_change_get_fdinfo(base, c); EVUTIL_ASSERT(f); EVUTIL_ASSERT(f->idxplus1 == i + 1); } evmap_io_foreach_fd(base, event_changelist_assert_ok_foreach_iter_fn, NULL); } #ifdef DEBUG_CHANGELIST #define event_changelist_check(base) event_changelist_assert_ok((base)) #else #define event_changelist_check(base) ((void)0) #endif void event_changelist_remove_all_(struct event_changelist *changelist, struct event_base *base) { int i; event_changelist_check(base); for (i = 0; i < changelist->n_changes; ++i) { struct event_change *ch = &changelist->changes[i]; struct event_changelist_fdinfo *fdinfo = event_change_get_fdinfo(base, ch); EVUTIL_ASSERT(fdinfo->idxplus1 == i + 1); fdinfo->idxplus1 = 0; } changelist->n_changes = 0; event_changelist_check(base); } void event_changelist_freemem_(struct event_changelist *changelist) { if (changelist->changes) mm_free(changelist->changes); event_changelist_init_(changelist); /* zero it all out. */ } /** Increase the size of 'changelist' to hold more changes. */ static int event_changelist_grow(struct event_changelist *changelist) { int new_size; struct event_change *new_changes; if (changelist->changes_size < 64) new_size = 64; else new_size = changelist->changes_size * 2; new_changes = mm_realloc(changelist->changes, new_size * sizeof(struct event_change)); if (EVUTIL_UNLIKELY(new_changes == NULL)) return (-1); changelist->changes = new_changes; changelist->changes_size = new_size; return (0); } /** Return a pointer to the changelist entry for the file descriptor or signal * 'fd', whose fdinfo is 'fdinfo'. If none exists, construct it, setting its * old_events field to old_events. */ static struct event_change * event_changelist_get_or_construct(struct event_changelist *changelist, evutil_socket_t fd, short old_events, struct event_changelist_fdinfo *fdinfo) { struct event_change *change; if (fdinfo->idxplus1 == 0) { int idx; EVUTIL_ASSERT(changelist->n_changes <= changelist->changes_size); if (changelist->n_changes == changelist->changes_size) { if (event_changelist_grow(changelist) < 0) return NULL; } idx = changelist->n_changes++; change = &changelist->changes[idx]; fdinfo->idxplus1 = idx + 1; memset(change, 0, sizeof(struct event_change)); change->fd = fd; change->old_events = old_events; } else { change = &changelist->changes[fdinfo->idxplus1 - 1]; EVUTIL_ASSERT(change->fd == fd); } return change; } int event_changelist_add_(struct event_base *base, evutil_socket_t fd, short old, short events, void *p) { struct event_changelist *changelist = &base->changelist; struct event_changelist_fdinfo *fdinfo = p; struct event_change *change; ev_uint8_t evchange = EV_CHANGE_ADD | (events & (EV_ET|EV_PERSIST|EV_SIGNAL)); event_changelist_check(base); change = event_changelist_get_or_construct(changelist, fd, old, fdinfo); if (!change) return -1; /* An add replaces any previous delete, but doesn't result in a no-op, * since the delete might fail (because the fd had been closed since * the last add, for instance. */ if (events & (EV_READ|EV_SIGNAL)) change->read_change = evchange; if (events & EV_WRITE) change->write_change = evchange; if (events & EV_CLOSED) change->close_change = evchange; event_changelist_check(base); return (0); } int event_changelist_del_(struct event_base *base, evutil_socket_t fd, short old, short events, void *p) { struct event_changelist *changelist = &base->changelist; struct event_changelist_fdinfo *fdinfo = p; struct event_change *change; ev_uint8_t del = EV_CHANGE_DEL | (events & EV_ET); event_changelist_check(base); change = event_changelist_get_or_construct(changelist, fd, old, fdinfo); event_changelist_check(base); if (!change) return -1; /* A delete on an event set that doesn't contain the event to be deleted produces a no-op. This effectively emoves any previous uncommitted add, rather than replacing it: on those platforms where "add, delete, dispatch" is not the same as "no-op, dispatch", we want the no-op behavior. If we have a no-op item, we could remove it it from the list entirely, but really there's not much point: skipping the no-op change when we do the dispatch later is far cheaper than rejuggling the array now. As this stands, it also lets through deletions of events that are not currently set. */ if (events & (EV_READ|EV_SIGNAL)) { if (!(change->old_events & (EV_READ | EV_SIGNAL))) change->read_change = 0; else change->read_change = del; } if (events & EV_WRITE) { if (!(change->old_events & EV_WRITE)) change->write_change = 0; else change->write_change = del; } if (events & EV_CLOSED) { if (!(change->old_events & EV_CLOSED)) change->close_change = 0; else change->close_change = del; } event_changelist_check(base); return (0); } /* Helper for evmap_check_integrity_: verify that all of the events pending on * given fd are set up correctly, and that the nread and nwrite counts on that * fd are correct. */ static int evmap_io_check_integrity_fn(struct event_base *base, evutil_socket_t fd, struct evmap_io *io_info, void *arg) { struct event *ev; int n_read = 0, n_write = 0, n_close = 0; /* First, make sure the list itself isn't corrupt. Otherwise, * running LIST_FOREACH could be an exciting adventure. */ EVUTIL_ASSERT_LIST_OK(&io_info->events, event, ev_io_next); LIST_FOREACH(ev, &io_info->events, ev_io_next) { EVUTIL_ASSERT(ev->ev_flags & EVLIST_INSERTED); EVUTIL_ASSERT(ev->ev_fd == fd); EVUTIL_ASSERT(!(ev->ev_events & EV_SIGNAL)); EVUTIL_ASSERT((ev->ev_events & (EV_READ|EV_WRITE|EV_CLOSED))); if (ev->ev_events & EV_READ) ++n_read; if (ev->ev_events & EV_WRITE) ++n_write; if (ev->ev_events & EV_CLOSED) ++n_close; } EVUTIL_ASSERT(n_read == io_info->nread); EVUTIL_ASSERT(n_write == io_info->nwrite); EVUTIL_ASSERT(n_close == io_info->nclose); return 0; } /* Helper for evmap_check_integrity_: verify that all of the events pending * on given signal are set up correctly. */ static int evmap_signal_check_integrity_fn(struct event_base *base, int signum, struct evmap_signal *sig_info, void *arg) { struct event *ev; /* First, make sure the list itself isn't corrupt. */ EVUTIL_ASSERT_LIST_OK(&sig_info->events, event, ev_signal_next); LIST_FOREACH(ev, &sig_info->events, ev_io_next) { EVUTIL_ASSERT(ev->ev_flags & EVLIST_INSERTED); EVUTIL_ASSERT(ev->ev_fd == signum); EVUTIL_ASSERT((ev->ev_events & EV_SIGNAL)); EVUTIL_ASSERT(!(ev->ev_events & (EV_READ|EV_WRITE|EV_CLOSED))); } return 0; } void evmap_check_integrity_(struct event_base *base) { evmap_io_foreach_fd(base, evmap_io_check_integrity_fn, NULL); evmap_signal_foreach_signal(base, evmap_signal_check_integrity_fn, NULL); if (base->evsel->add == event_changelist_add_) event_changelist_assert_ok(base); } /* Helper type for evmap_foreach_event_: Bundles a function to call on every * event, and the user-provided void* to use as its third argument. */ struct evmap_foreach_event_helper { event_base_foreach_event_cb fn; void *arg; }; /* Helper for evmap_foreach_event_: calls a provided function on every event * pending on a given fd. */ static int evmap_io_foreach_event_fn(struct event_base *base, evutil_socket_t fd, struct evmap_io *io_info, void *arg) { struct evmap_foreach_event_helper *h = arg; struct event *ev; int r; LIST_FOREACH(ev, &io_info->events, ev_io_next) { if ((r = h->fn(base, ev, h->arg))) return r; } return 0; } /* Helper for evmap_foreach_event_: calls a provided function on every event * pending on a given signal. */ static int evmap_signal_foreach_event_fn(struct event_base *base, int signum, struct evmap_signal *sig_info, void *arg) { struct event *ev; struct evmap_foreach_event_helper *h = arg; int r; LIST_FOREACH(ev, &sig_info->events, ev_signal_next) { if ((r = h->fn(base, ev, h->arg))) return r; } return 0; } int evmap_foreach_event_(struct event_base *base, event_base_foreach_event_cb fn, void *arg) { struct evmap_foreach_event_helper h; int r; h.fn = fn; h.arg = arg; if ((r = evmap_io_foreach_fd(base, evmap_io_foreach_event_fn, &h))) return r; return evmap_signal_foreach_signal(base, evmap_signal_foreach_event_fn, &h); } lldpd-1.0.18/libevent/test/0000755000076400001440000000000014550773325014740 5ustar00bernatuserslldpd-1.0.18/libevent/test/regress.h0000644000076400001440000001230414111362571016551 0ustar00bernatusers/* * Copyright (c) 2000-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef REGRESS_H_INCLUDED_ #define REGRESS_H_INCLUDED_ #ifdef __cplusplus extern "C" { #endif #include "tinytest.h" #include "tinytest_macros.h" extern struct testcase_t main_testcases[]; extern struct testcase_t evtag_testcases[]; extern struct testcase_t evbuffer_testcases[]; extern struct testcase_t finalize_testcases[]; extern struct testcase_t bufferevent_testcases[]; extern struct testcase_t bufferevent_iocp_testcases[]; extern struct testcase_t util_testcases[]; extern struct testcase_t signal_testcases[]; extern struct testcase_t http_testcases[]; extern struct testcase_t http_iocp_testcases[]; extern struct testcase_t dns_testcases[]; extern struct testcase_t rpc_testcases[]; extern struct testcase_t edgetriggered_testcases[]; extern struct testcase_t minheap_testcases[]; extern struct testcase_t iocp_testcases[]; extern struct testcase_t ssl_testcases[]; extern struct testcase_t listener_testcases[]; extern struct testcase_t listener_iocp_testcases[]; extern struct testcase_t thread_testcases[]; extern struct evutil_weakrand_state test_weakrand_state; #define test_weakrand() (evutil_weakrand_(&test_weakrand_state)) void regress_threads(void *); void test_bufferevent_zlib(void *); /* Helpers to wrap old testcases */ extern evutil_socket_t pair[2]; extern int test_ok; extern int called; extern struct event_base *global_base; extern int in_legacy_test_wrapper; int regress_make_tmpfile(const void *data, size_t datalen, char **filename_out); struct basic_test_data { struct event_base *base; evutil_socket_t pair[2]; void (*legacy_test_fn)(void); void *setup_data; }; extern const struct testcase_setup_t basic_setup; extern const struct testcase_setup_t legacy_setup; void run_legacy_test_fn(void *ptr); extern int libevent_tests_running_in_debug_mode; /* A couple of flags that basic/legacy_setup can support. */ #define TT_NEED_SOCKETPAIR TT_FIRST_USER_FLAG #define TT_NEED_BASE (TT_FIRST_USER_FLAG<<1) #define TT_NEED_DNS (TT_FIRST_USER_FLAG<<2) #define TT_LEGACY (TT_FIRST_USER_FLAG<<3) #define TT_NEED_THREADS (TT_FIRST_USER_FLAG<<4) #define TT_NO_LOGS (TT_FIRST_USER_FLAG<<5) #define TT_ENABLE_IOCP_FLAG (TT_FIRST_USER_FLAG<<6) #define TT_ENABLE_IOCP (TT_ENABLE_IOCP_FLAG|TT_NEED_THREADS) #define TT_ENABLE_DEBUG_MODE (TT_ENABLE_IOCP_FLAG<<7) /* All the flags that a legacy test needs. */ #define TT_ISOLATED TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_BASE #define BASIC(name,flags) \ { #name, test_## name, flags, &basic_setup, NULL } #define LEGACY(name,flags) \ { #name, run_legacy_test_fn, flags|TT_LEGACY, &legacy_setup, \ test_## name } struct evutil_addrinfo; struct evutil_addrinfo *ai_find_by_family(struct evutil_addrinfo *ai, int f); struct evutil_addrinfo *ai_find_by_protocol(struct evutil_addrinfo *ai, int p); int test_ai_eq_(const struct evutil_addrinfo *ai, const char *sockaddr_port, int socktype, int protocol, int line); #define test_ai_eq(ai, str, s, p) do { \ if (test_ai_eq_((ai), (str), (s), (p), __LINE__)<0) \ goto end; \ } while (0) #define test_timeval_diff_leq(tv1, tv2, diff, tolerance) \ tt_int_op(labs(timeval_msec_diff((tv1), (tv2)) - diff), <=, tolerance) #define test_timeval_diff_eq(tv1, tv2, diff) \ test_timeval_diff_leq((tv1), (tv2), (diff), 50) long timeval_msec_diff(const struct timeval *start, const struct timeval *end); #ifndef _WIN32 pid_t regress_fork(void); #endif #ifdef EVENT__HAVE_OPENSSL #include EVP_PKEY *ssl_getkey(void); X509 *ssl_getcert(EVP_PKEY *key); SSL_CTX *get_ssl_ctx(void); void init_ssl(void); #endif void * basic_test_setup(const struct testcase_t *testcase); int basic_test_cleanup(const struct testcase_t *testcase, void *ptr); #ifdef __cplusplus } #endif #endif /* REGRESS_H_INCLUDED_ */ lldpd-1.0.18/libevent/test/tinytest_local.h0000644000076400001440000000025214111362571020133 0ustar00bernatusers #include "util-internal.h" #ifdef _WIN32 #include #endif #include "event2/util.h" #ifdef snprintf #undef snprintf #endif #define snprintf evutil_snprintf lldpd-1.0.18/libevent/test/regress.c0000644000076400001440000025554514111362571016564 0ustar00bernatusers/* * Copyright (c) 2003-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "util-internal.h" #ifdef _WIN32 #include #include #endif #include "event2/event-config.h" #include #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #ifndef _WIN32 #include #include #include #include #include #include #endif #include #include #include #include #include #include #include #include #include "event2/event.h" #include "event2/event_struct.h" #include "event2/event_compat.h" #include "event2/tag.h" #include "event2/buffer.h" #include "event2/buffer_compat.h" #include "event2/util.h" #include "event-internal.h" #include "evthread-internal.h" #include "log-internal.h" #include "time-internal.h" #include "regress.h" #include "regress_thread.h" #ifndef _WIN32 #include "regress.gen.h" #endif evutil_socket_t pair[2]; int test_ok; int called; struct event_base *global_base; static char wbuf[4096]; static char rbuf[4096]; static int woff; static int roff; static int usepersist; static struct timeval tset; static struct timeval tcalled; #define TEST1 "this is a test" #ifdef _WIN32 #define write(fd,buf,len) send((fd),(buf),(int)(len),0) #define read(fd,buf,len) recv((fd),(buf),(int)(len),0) #endif struct basic_cb_args { struct event_base *eb; struct event *ev; unsigned int callcount; }; static void simple_read_cb(evutil_socket_t fd, short event, void *arg) { char buf[256]; int len; len = read(fd, buf, sizeof(buf)); if (len) { if (!called) { if (event_add(arg, NULL) == -1) exit(1); } } else if (called == 1) test_ok = 1; called++; } static void basic_read_cb(evutil_socket_t fd, short event, void *data) { char buf[256]; int len; struct basic_cb_args *arg = data; len = read(fd, buf, sizeof(buf)); if (len < 0) { tt_fail_perror("read (callback)"); } else { switch (arg->callcount++) { case 0: /* first call: expect to read data; cycle */ if (len > 0) return; tt_fail_msg("EOF before data read"); break; case 1: /* second call: expect EOF; stop */ if (len > 0) tt_fail_msg("not all data read on first cycle"); break; default: /* third call: should not happen */ tt_fail_msg("too many cycles"); } } event_del(arg->ev); event_base_loopexit(arg->eb, NULL); } static void dummy_read_cb(evutil_socket_t fd, short event, void *arg) { } static void simple_write_cb(evutil_socket_t fd, short event, void *arg) { int len; len = write(fd, TEST1, strlen(TEST1) + 1); if (len == -1) test_ok = 0; else test_ok = 1; } static void multiple_write_cb(evutil_socket_t fd, short event, void *arg) { struct event *ev = arg; int len; len = 128; if (woff + len >= (int)sizeof(wbuf)) len = sizeof(wbuf) - woff; len = write(fd, wbuf + woff, len); if (len == -1) { fprintf(stderr, "%s: write\n", __func__); if (usepersist) event_del(ev); return; } woff += len; if (woff >= (int)sizeof(wbuf)) { shutdown(fd, EVUTIL_SHUT_WR); if (usepersist) event_del(ev); return; } if (!usepersist) { if (event_add(ev, NULL) == -1) exit(1); } } static void multiple_read_cb(evutil_socket_t fd, short event, void *arg) { struct event *ev = arg; int len; len = read(fd, rbuf + roff, sizeof(rbuf) - roff); if (len == -1) fprintf(stderr, "%s: read\n", __func__); if (len <= 0) { if (usepersist) event_del(ev); return; } roff += len; if (!usepersist) { if (event_add(ev, NULL) == -1) exit(1); } } static void timeout_cb(evutil_socket_t fd, short event, void *arg) { evutil_gettimeofday(&tcalled, NULL); } struct both { struct event ev; int nread; }; static void combined_read_cb(evutil_socket_t fd, short event, void *arg) { struct both *both = arg; char buf[128]; int len; len = read(fd, buf, sizeof(buf)); if (len == -1) fprintf(stderr, "%s: read\n", __func__); if (len <= 0) return; both->nread += len; if (event_add(&both->ev, NULL) == -1) exit(1); } static void combined_write_cb(evutil_socket_t fd, short event, void *arg) { struct both *both = arg; char buf[128]; int len; len = sizeof(buf); if (len > both->nread) len = both->nread; memset(buf, 'q', len); len = write(fd, buf, len); if (len == -1) fprintf(stderr, "%s: write\n", __func__); if (len <= 0) { shutdown(fd, EVUTIL_SHUT_WR); return; } both->nread -= len; if (event_add(&both->ev, NULL) == -1) exit(1); } /* These macros used to replicate the work of the legacy test wrapper code */ #define setup_test(x) do { \ if (!in_legacy_test_wrapper) { \ TT_FAIL(("Legacy test %s not wrapped properly", x)); \ return; \ } \ } while (0) #define cleanup_test() setup_test("cleanup") static void test_simpleread(void) { struct event ev; /* Very simple read test */ setup_test("Simple read: "); if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) { tt_fail_perror("write"); } shutdown(pair[0], EVUTIL_SHUT_WR); event_set(&ev, pair[1], EV_READ, simple_read_cb, &ev); if (event_add(&ev, NULL) == -1) exit(1); event_dispatch(); cleanup_test(); } static void test_simplewrite(void) { struct event ev; /* Very simple write test */ setup_test("Simple write: "); event_set(&ev, pair[0], EV_WRITE, simple_write_cb, &ev); if (event_add(&ev, NULL) == -1) exit(1); event_dispatch(); cleanup_test(); } static void simpleread_multiple_cb(evutil_socket_t fd, short event, void *arg) { if (++called == 2) test_ok = 1; } static void test_simpleread_multiple(void) { struct event one, two; /* Very simple read test */ setup_test("Simple read to multiple evens: "); if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) { tt_fail_perror("write"); } shutdown(pair[0], EVUTIL_SHUT_WR); event_set(&one, pair[1], EV_READ, simpleread_multiple_cb, NULL); if (event_add(&one, NULL) == -1) exit(1); event_set(&two, pair[1], EV_READ, simpleread_multiple_cb, NULL); if (event_add(&two, NULL) == -1) exit(1); event_dispatch(); cleanup_test(); } static int have_closed = 0; static int premature_event = 0; static void simpleclose_close_fd_cb(evutil_socket_t s, short what, void *ptr) { evutil_socket_t **fds = ptr; TT_BLATHER(("Closing")); evutil_closesocket(*fds[0]); evutil_closesocket(*fds[1]); *fds[0] = -1; *fds[1] = -1; have_closed = 1; } static void record_event_cb(evutil_socket_t s, short what, void *ptr) { short *whatp = ptr; if (!have_closed) premature_event = 1; *whatp = what; TT_BLATHER(("Recorded %d on socket %d", (int)what, (int)s)); } static void test_simpleclose_rw(void *ptr) { /* Test that a close of FD is detected as a read and as a write. */ struct event_base *base = event_base_new(); evutil_socket_t pair1[2]={-1,-1}, pair2[2] = {-1, -1}; evutil_socket_t *to_close[2]; struct event *rev=NULL, *wev=NULL, *closeev=NULL; struct timeval tv; short got_read_on_close = 0, got_write_on_close = 0; char buf[1024]; memset(buf, 99, sizeof(buf)); #ifdef _WIN32 #define LOCAL_SOCKETPAIR_AF AF_INET #else #define LOCAL_SOCKETPAIR_AF AF_UNIX #endif if (evutil_socketpair(LOCAL_SOCKETPAIR_AF, SOCK_STREAM, 0, pair1)<0) TT_DIE(("socketpair: %s", strerror(errno))); if (evutil_socketpair(LOCAL_SOCKETPAIR_AF, SOCK_STREAM, 0, pair2)<0) TT_DIE(("socketpair: %s", strerror(errno))); if (evutil_make_socket_nonblocking(pair1[1]) < 0) TT_DIE(("make_socket_nonblocking")); if (evutil_make_socket_nonblocking(pair2[1]) < 0) TT_DIE(("make_socket_nonblocking")); /** Stuff pair2[1] full of data, until write fails */ while (1) { int r = write(pair2[1], buf, sizeof(buf)); if (r<0) { int err = evutil_socket_geterror(pair2[1]); if (! EVUTIL_ERR_RW_RETRIABLE(err)) TT_DIE(("write failed strangely: %s", evutil_socket_error_to_string(err))); break; } } to_close[0] = &pair1[0]; to_close[1] = &pair2[0]; closeev = event_new(base, -1, EV_TIMEOUT, simpleclose_close_fd_cb, to_close); rev = event_new(base, pair1[1], EV_READ, record_event_cb, &got_read_on_close); TT_BLATHER(("Waiting for read on %d", (int)pair1[1])); wev = event_new(base, pair2[1], EV_WRITE, record_event_cb, &got_write_on_close); TT_BLATHER(("Waiting for write on %d", (int)pair2[1])); tv.tv_sec = 0; tv.tv_usec = 100*1000; /* Close pair1[0] after a little while, and make * sure we get a read event. */ event_add(closeev, &tv); event_add(rev, NULL); event_add(wev, NULL); /* Don't let the test go on too long. */ tv.tv_sec = 0; tv.tv_usec = 200*1000; event_base_loopexit(base, &tv); event_base_loop(base, 0); tt_int_op(got_read_on_close, ==, EV_READ); tt_int_op(got_write_on_close, ==, EV_WRITE); tt_int_op(premature_event, ==, 0); end: if (pair1[0] >= 0) evutil_closesocket(pair1[0]); if (pair1[1] >= 0) evutil_closesocket(pair1[1]); if (pair2[0] >= 0) evutil_closesocket(pair2[0]); if (pair2[1] >= 0) evutil_closesocket(pair2[1]); if (rev) event_free(rev); if (wev) event_free(wev); if (closeev) event_free(closeev); if (base) event_base_free(base); } static void test_simpleclose(void *ptr) { struct basic_test_data *data = ptr; struct event_base *base = data->base; evutil_socket_t *pair = data->pair; const char *flags = (const char *)data->setup_data; int et = !!strstr(flags, "ET"); int persist = !!strstr(flags, "persist"); short events = EV_CLOSED | (et ? EV_ET : 0) | (persist ? EV_PERSIST : 0); struct event *ev = NULL; short got_event; if (!(event_base_get_features(data->base) & EV_FEATURE_EARLY_CLOSE)) tt_skip(); /* XXX: should this code moved to regress_et.c ? */ if (et && !(event_base_get_features(data->base) & EV_FEATURE_ET)) tt_skip(); ev = event_new(base, pair[0], events, record_event_cb, &got_event); tt_assert(ev); tt_assert(!event_add(ev, NULL)); got_event = 0; if (strstr(flags, "close")) { tt_assert(!evutil_closesocket(pair[1])); /* avoid closing in setup routines */ pair[1] = -1; } else if (strstr(flags, "shutdown")) { tt_assert(!shutdown(pair[1], EVUTIL_SHUT_WR)); } else { tt_abort_msg("unknown flags"); } /* w/o edge-triggerd but w/ persist it will not stop */ if (!et && persist) { struct timeval tv; tv.tv_sec = 0; tv.tv_usec = 10000; tt_assert(!event_base_loopexit(base, &tv)); } tt_int_op(event_base_loop(base, EVLOOP_NONBLOCK), ==, !persist); tt_int_op(got_event, ==, (events & ~EV_PERSIST)); end: if (ev) event_free(ev); } static void test_multiple(void) { struct event ev, ev2; int i; /* Multiple read and write test */ setup_test("Multiple read/write: "); memset(rbuf, 0, sizeof(rbuf)); for (i = 0; i < (int)sizeof(wbuf); i++) wbuf[i] = i; roff = woff = 0; usepersist = 0; event_set(&ev, pair[0], EV_WRITE, multiple_write_cb, &ev); if (event_add(&ev, NULL) == -1) exit(1); event_set(&ev2, pair[1], EV_READ, multiple_read_cb, &ev2); if (event_add(&ev2, NULL) == -1) exit(1); event_dispatch(); if (roff == woff) test_ok = memcmp(rbuf, wbuf, sizeof(wbuf)) == 0; cleanup_test(); } static void test_persistent(void) { struct event ev, ev2; int i; /* Multiple read and write test with persist */ setup_test("Persist read/write: "); memset(rbuf, 0, sizeof(rbuf)); for (i = 0; i < (int)sizeof(wbuf); i++) wbuf[i] = i; roff = woff = 0; usepersist = 1; event_set(&ev, pair[0], EV_WRITE|EV_PERSIST, multiple_write_cb, &ev); if (event_add(&ev, NULL) == -1) exit(1); event_set(&ev2, pair[1], EV_READ|EV_PERSIST, multiple_read_cb, &ev2); if (event_add(&ev2, NULL) == -1) exit(1); event_dispatch(); if (roff == woff) test_ok = memcmp(rbuf, wbuf, sizeof(wbuf)) == 0; cleanup_test(); } static void test_combined(void) { struct both r1, r2, w1, w2; setup_test("Combined read/write: "); memset(&r1, 0, sizeof(r1)); memset(&r2, 0, sizeof(r2)); memset(&w1, 0, sizeof(w1)); memset(&w2, 0, sizeof(w2)); w1.nread = 4096; w2.nread = 8192; event_set(&r1.ev, pair[0], EV_READ, combined_read_cb, &r1); event_set(&w1.ev, pair[0], EV_WRITE, combined_write_cb, &w1); event_set(&r2.ev, pair[1], EV_READ, combined_read_cb, &r2); event_set(&w2.ev, pair[1], EV_WRITE, combined_write_cb, &w2); tt_assert(event_add(&r1.ev, NULL) != -1); tt_assert(!event_add(&w1.ev, NULL)); tt_assert(!event_add(&r2.ev, NULL)); tt_assert(!event_add(&w2.ev, NULL)); event_dispatch(); if (r1.nread == 8192 && r2.nread == 4096) test_ok = 1; end: cleanup_test(); } static void test_simpletimeout(void) { struct timeval tv; struct event ev; setup_test("Simple timeout: "); tv.tv_usec = 200*1000; tv.tv_sec = 0; evutil_timerclear(&tcalled); evtimer_set(&ev, timeout_cb, NULL); evtimer_add(&ev, &tv); evutil_gettimeofday(&tset, NULL); event_dispatch(); test_timeval_diff_eq(&tset, &tcalled, 200); test_ok = 1; end: cleanup_test(); } static void periodic_timeout_cb(evutil_socket_t fd, short event, void *arg) { int *count = arg; (*count)++; if (*count == 6) { /* call loopexit only once - on slow machines(?), it is * apparently possible for this to get called twice. */ test_ok = 1; event_base_loopexit(global_base, NULL); } } static void test_persistent_timeout(void) { struct timeval tv; struct event ev; int count = 0; evutil_timerclear(&tv); tv.tv_usec = 10000; event_assign(&ev, global_base, -1, EV_TIMEOUT|EV_PERSIST, periodic_timeout_cb, &count); event_add(&ev, &tv); event_dispatch(); event_del(&ev); } static void test_persistent_timeout_jump(void *ptr) { struct basic_test_data *data = ptr; struct event ev; int count = 0; struct timeval msec100 = { 0, 100 * 1000 }; struct timeval msec50 = { 0, 50 * 1000 }; struct timeval msec300 = { 0, 300 * 1000 }; event_assign(&ev, data->base, -1, EV_PERSIST, periodic_timeout_cb, &count); event_add(&ev, &msec100); /* Wait for a bit */ evutil_usleep_(&msec300); event_base_loopexit(data->base, &msec50); event_base_dispatch(data->base); tt_int_op(count, ==, 1); end: event_del(&ev); } struct persist_active_timeout_called { int n; short events[16]; struct timeval tvs[16]; }; static void activate_cb(evutil_socket_t fd, short event, void *arg) { struct event *ev = arg; event_active(ev, EV_READ, 1); } static void persist_active_timeout_cb(evutil_socket_t fd, short event, void *arg) { struct persist_active_timeout_called *c = arg; if (c->n < 15) { c->events[c->n] = event; evutil_gettimeofday(&c->tvs[c->n], NULL); ++c->n; } } static void test_persistent_active_timeout(void *ptr) { struct timeval tv, tv2, tv_exit, start; struct event ev; struct persist_active_timeout_called res; struct basic_test_data *data = ptr; struct event_base *base = data->base; memset(&res, 0, sizeof(res)); tv.tv_sec = 0; tv.tv_usec = 200 * 1000; event_assign(&ev, base, -1, EV_TIMEOUT|EV_PERSIST, persist_active_timeout_cb, &res); event_add(&ev, &tv); tv2.tv_sec = 0; tv2.tv_usec = 100 * 1000; event_base_once(base, -1, EV_TIMEOUT, activate_cb, &ev, &tv2); tv_exit.tv_sec = 0; tv_exit.tv_usec = 600 * 1000; event_base_loopexit(base, &tv_exit); event_base_assert_ok_(base); evutil_gettimeofday(&start, NULL); event_base_dispatch(base); event_base_assert_ok_(base); tt_int_op(res.n, ==, 3); tt_int_op(res.events[0], ==, EV_READ); tt_int_op(res.events[1], ==, EV_TIMEOUT); tt_int_op(res.events[2], ==, EV_TIMEOUT); test_timeval_diff_eq(&start, &res.tvs[0], 100); test_timeval_diff_eq(&start, &res.tvs[1], 300); test_timeval_diff_eq(&start, &res.tvs[2], 500); end: event_del(&ev); } struct common_timeout_info { struct event ev; struct timeval called_at; int which; int count; }; static void common_timeout_cb(evutil_socket_t fd, short event, void *arg) { struct common_timeout_info *ti = arg; ++ti->count; evutil_gettimeofday(&ti->called_at, NULL); if (ti->count >= 4) event_del(&ti->ev); } static void test_common_timeout(void *ptr) { struct basic_test_data *data = ptr; struct event_base *base = data->base; int i; struct common_timeout_info info[100]; struct timeval start; struct timeval tmp_100_ms = { 0, 100*1000 }; struct timeval tmp_200_ms = { 0, 200*1000 }; struct timeval tmp_5_sec = { 5, 0 }; struct timeval tmp_5M_usec = { 0, 5*1000*1000 }; const struct timeval *ms_100, *ms_200, *sec_5; ms_100 = event_base_init_common_timeout(base, &tmp_100_ms); ms_200 = event_base_init_common_timeout(base, &tmp_200_ms); sec_5 = event_base_init_common_timeout(base, &tmp_5_sec); tt_assert(ms_100); tt_assert(ms_200); tt_assert(sec_5); tt_ptr_op(event_base_init_common_timeout(base, &tmp_200_ms), ==, ms_200); tt_ptr_op(event_base_init_common_timeout(base, ms_200), ==, ms_200); tt_ptr_op(event_base_init_common_timeout(base, &tmp_5M_usec), ==, sec_5); tt_int_op(ms_100->tv_sec, ==, 0); tt_int_op(ms_200->tv_sec, ==, 0); tt_int_op(sec_5->tv_sec, ==, 5); tt_int_op(ms_100->tv_usec, ==, 100000|0x50000000); tt_int_op(ms_200->tv_usec, ==, 200000|0x50100000); tt_int_op(sec_5->tv_usec, ==, 0|0x50200000); memset(info, 0, sizeof(info)); for (i=0; i<100; ++i) { info[i].which = i; event_assign(&info[i].ev, base, -1, EV_TIMEOUT|EV_PERSIST, common_timeout_cb, &info[i]); if (i % 2) { if ((i%20)==1) { /* Glass-box test: Make sure we survive the * transition to non-common timeouts. It's * a little tricky. */ event_add(&info[i].ev, ms_200); event_add(&info[i].ev, &tmp_100_ms); } else if ((i%20)==3) { /* Check heap-to-common too. */ event_add(&info[i].ev, &tmp_200_ms); event_add(&info[i].ev, ms_100); } else if ((i%20)==5) { /* Also check common-to-common. */ event_add(&info[i].ev, ms_200); event_add(&info[i].ev, ms_100); } else { event_add(&info[i].ev, ms_100); } } else { event_add(&info[i].ev, ms_200); } } event_base_assert_ok_(base); evutil_gettimeofday(&start, NULL); event_base_dispatch(base); event_base_assert_ok_(base); for (i=0; i<10; ++i) { tt_int_op(info[i].count, ==, 4); if (i % 2) { test_timeval_diff_eq(&start, &info[i].called_at, 400); } else { test_timeval_diff_eq(&start, &info[i].called_at, 800); } } /* Make sure we can free the base with some events in. */ for (i=0; i<100; ++i) { if (i % 2) { event_add(&info[i].ev, ms_100); } else { event_add(&info[i].ev, ms_200); } } end: event_base_free(data->base); /* need to do this here before info is * out-of-scope */ data->base = NULL; } #ifndef _WIN32 #define current_base event_global_current_base_ extern struct event_base *current_base; static void fork_signal_cb(evutil_socket_t fd, short events, void *arg) { event_del(arg); } int child_pair[2] = { -1, -1 }; static void simple_child_read_cb(evutil_socket_t fd, short event, void *arg) { char buf[256]; int len; len = read(fd, buf, sizeof(buf)); if (write(child_pair[0], "", 1) < 0) tt_fail_perror("write"); if (len) { if (!called) { if (event_add(arg, NULL) == -1) exit(1); } } else if (called == 1) test_ok = 1; called++; } #define TEST_FORK_EXIT_SUCCESS 76 static void fork_wait_check(int pid) { int status; TT_BLATHER(("Before waitpid")); #ifdef WNOWAIT if ((waitpid(pid, &status, WNOWAIT) == -1 && errno == EINVAL) && #else if ( #endif waitpid(pid, &status, 0) == -1) { perror("waitpid"); exit(1); } TT_BLATHER(("After waitpid")); if (WEXITSTATUS(status) != TEST_FORK_EXIT_SUCCESS) { fprintf(stdout, "FAILED (exit): %d\n", WEXITSTATUS(status)); exit(1); } } static void test_fork(void) { char c; struct event ev, sig_ev, usr_ev, existing_ev; pid_t pid; setup_test("After fork: "); { if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, child_pair) == -1) { fprintf(stderr, "%s: socketpair\n", __func__); exit(1); } if (evutil_make_socket_nonblocking(child_pair[0]) == -1) { fprintf(stderr, "fcntl(O_NONBLOCK)"); exit(1); } } tt_assert(current_base); evthread_make_base_notifiable(current_base); if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) { tt_fail_perror("write"); } event_set(&ev, pair[1], EV_READ, simple_child_read_cb, &ev); if (event_add(&ev, NULL) == -1) exit(1); evsignal_set(&sig_ev, SIGCHLD, fork_signal_cb, &sig_ev); evsignal_add(&sig_ev, NULL); evsignal_set(&existing_ev, SIGUSR2, fork_signal_cb, &existing_ev); evsignal_add(&existing_ev, NULL); event_base_assert_ok_(current_base); TT_BLATHER(("Before fork")); if ((pid = regress_fork()) == 0) { /* in the child */ TT_BLATHER(("In child, before reinit")); event_base_assert_ok_(current_base); if (event_reinit(current_base) == -1) { fprintf(stdout, "FAILED (reinit)\n"); exit(1); } TT_BLATHER(("After reinit")); event_base_assert_ok_(current_base); TT_BLATHER(("After assert-ok")); evsignal_del(&sig_ev); evsignal_set(&usr_ev, SIGUSR1, fork_signal_cb, &usr_ev); evsignal_add(&usr_ev, NULL); kill(getpid(), SIGUSR1); kill(getpid(), SIGUSR2); called = 0; event_dispatch(); event_base_free(current_base); /* we do not send an EOF; simple_read_cb requires an EOF * to set test_ok. we just verify that the callback was * called. */ exit(test_ok != 0 || called != 2 ? -2 : TEST_FORK_EXIT_SUCCESS); } /** wait until client read first message */ if (read(child_pair[1], &c, 1) < 0) { tt_fail_perror("read"); } if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) { tt_fail_perror("write"); } fork_wait_check(pid); /* test that the current event loop still works */ if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) { fprintf(stderr, "%s: write\n", __func__); } shutdown(pair[0], EVUTIL_SHUT_WR); evsignal_set(&usr_ev, SIGUSR1, fork_signal_cb, &usr_ev); evsignal_add(&usr_ev, NULL); kill(getpid(), SIGUSR1); kill(getpid(), SIGUSR2); event_dispatch(); evsignal_del(&sig_ev); tt_int_op(test_ok, ==, 1); end: cleanup_test(); if (child_pair[0] != -1) evutil_closesocket(child_pair[0]); if (child_pair[1] != -1) evutil_closesocket(child_pair[1]); } #ifdef EVTHREAD_USE_PTHREADS_IMPLEMENTED static void* del_wait_thread(void *arg) { struct timeval tv_start, tv_end; evutil_gettimeofday(&tv_start, NULL); event_dispatch(); evutil_gettimeofday(&tv_end, NULL); test_timeval_diff_eq(&tv_start, &tv_end, 300); end: return NULL; } static void del_wait_cb(evutil_socket_t fd, short event, void *arg) { struct timeval delay = { 0, 300*1000 }; TT_BLATHER(("Sleeping: %i", test_ok)); evutil_usleep_(&delay); ++test_ok; } static void test_del_wait(void) { struct event ev; THREAD_T thread; setup_test("event_del will wait: "); event_set(&ev, pair[1], EV_READ|EV_PERSIST, del_wait_cb, &ev); event_add(&ev, NULL); THREAD_START(thread, del_wait_thread, NULL); if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) { tt_fail_perror("write"); } { struct timeval delay = { 0, 30*1000 }; evutil_usleep_(&delay); } { struct timeval tv_start, tv_end; evutil_gettimeofday(&tv_start, NULL); event_del(&ev); evutil_gettimeofday(&tv_end, NULL); test_timeval_diff_eq(&tv_start, &tv_end, 270); } THREAD_JOIN(thread); tt_int_op(test_ok, ==, 1); end: ; } static void null_cb(evutil_socket_t fd, short what, void *arg) {} static void* test_del_notify_thread(void *arg) { event_dispatch(); return NULL; } static void test_del_notify(void) { struct event ev; THREAD_T thread; test_ok = 1; event_set(&ev, -1, EV_READ, null_cb, &ev); event_add(&ev, NULL); THREAD_START(thread, test_del_notify_thread, NULL); { struct timeval delay = { 0, 1000 }; evutil_usleep_(&delay); } event_del(&ev); THREAD_JOIN(thread); } #endif static void signal_cb_sa(int sig) { test_ok = 2; } static void signal_cb(evutil_socket_t fd, short event, void *arg) { struct event *ev = arg; evsignal_del(ev); test_ok = 1; } static void test_simplesignal_impl(int find_reorder) { struct event ev; struct itimerval itv; evsignal_set(&ev, SIGALRM, signal_cb, &ev); evsignal_add(&ev, NULL); /* find bugs in which operations are re-ordered */ if (find_reorder) { evsignal_del(&ev); evsignal_add(&ev, NULL); } memset(&itv, 0, sizeof(itv)); itv.it_value.tv_sec = 0; itv.it_value.tv_usec = 100000; if (setitimer(ITIMER_REAL, &itv, NULL) == -1) goto skip_simplesignal; event_dispatch(); skip_simplesignal: if (evsignal_del(&ev) == -1) test_ok = 0; cleanup_test(); } static void test_simplestsignal(void) { setup_test("Simplest one signal: "); test_simplesignal_impl(0); } static void test_simplesignal(void) { setup_test("Simple signal: "); test_simplesignal_impl(1); } static void test_multiplesignal(void) { struct event ev_one, ev_two; struct itimerval itv; setup_test("Multiple signal: "); evsignal_set(&ev_one, SIGALRM, signal_cb, &ev_one); evsignal_add(&ev_one, NULL); evsignal_set(&ev_two, SIGALRM, signal_cb, &ev_two); evsignal_add(&ev_two, NULL); memset(&itv, 0, sizeof(itv)); itv.it_value.tv_sec = 0; itv.it_value.tv_usec = 100000; if (setitimer(ITIMER_REAL, &itv, NULL) == -1) goto skip_simplesignal; event_dispatch(); skip_simplesignal: if (evsignal_del(&ev_one) == -1) test_ok = 0; if (evsignal_del(&ev_two) == -1) test_ok = 0; cleanup_test(); } static void test_immediatesignal(void) { struct event ev; test_ok = 0; evsignal_set(&ev, SIGUSR1, signal_cb, &ev); evsignal_add(&ev, NULL); kill(getpid(), SIGUSR1); event_loop(EVLOOP_NONBLOCK); evsignal_del(&ev); cleanup_test(); } static void test_signal_dealloc(void) { /* make sure that evsignal_event is event_del'ed and pipe closed */ struct event ev; struct event_base *base = event_init(); evsignal_set(&ev, SIGUSR1, signal_cb, &ev); evsignal_add(&ev, NULL); evsignal_del(&ev); event_base_free(base); /* If we got here without asserting, we're fine. */ test_ok = 1; cleanup_test(); } static void test_signal_pipeloss(void) { /* make sure that the base1 pipe is closed correctly. */ struct event_base *base1, *base2; int pipe1; test_ok = 0; base1 = event_init(); pipe1 = base1->sig.ev_signal_pair[0]; base2 = event_init(); event_base_free(base2); event_base_free(base1); if (close(pipe1) != -1 || errno!=EBADF) { /* fd must be closed, so second close gives -1, EBADF */ printf("signal pipe not closed. "); test_ok = 0; } else { test_ok = 1; } cleanup_test(); } /* * make two bases to catch signals, use both of them. this only works * for event mechanisms that use our signal pipe trick. kqueue handles * signals internally, and all interested kqueues get all the signals. */ static void test_signal_switchbase(void) { struct event ev1, ev2; struct event_base *base1, *base2; int is_kqueue; test_ok = 0; base1 = event_init(); base2 = event_init(); is_kqueue = !strcmp(event_get_method(),"kqueue"); evsignal_set(&ev1, SIGUSR1, signal_cb, &ev1); evsignal_set(&ev2, SIGUSR1, signal_cb, &ev2); if (event_base_set(base1, &ev1) || event_base_set(base2, &ev2) || event_add(&ev1, NULL) || event_add(&ev2, NULL)) { fprintf(stderr, "%s: cannot set base, add\n", __func__); exit(1); } tt_ptr_op(event_get_base(&ev1), ==, base1); tt_ptr_op(event_get_base(&ev2), ==, base2); test_ok = 0; /* can handle signal before loop is called */ kill(getpid(), SIGUSR1); event_base_loop(base2, EVLOOP_NONBLOCK); if (is_kqueue) { if (!test_ok) goto end; test_ok = 0; } event_base_loop(base1, EVLOOP_NONBLOCK); if (test_ok && !is_kqueue) { test_ok = 0; /* set base1 to handle signals */ event_base_loop(base1, EVLOOP_NONBLOCK); kill(getpid(), SIGUSR1); event_base_loop(base1, EVLOOP_NONBLOCK); event_base_loop(base2, EVLOOP_NONBLOCK); } end: event_base_free(base1); event_base_free(base2); cleanup_test(); } /* * assert that a signal event removed from the event queue really is * removed - with no possibility of it's parent handler being fired. */ static void test_signal_assert(void) { struct event ev; struct event_base *base = event_init(); test_ok = 0; /* use SIGCONT so we don't kill ourselves when we signal to nowhere */ evsignal_set(&ev, SIGCONT, signal_cb, &ev); evsignal_add(&ev, NULL); /* * if evsignal_del() fails to reset the handler, it's current handler * will still point to evsig_handler(). */ evsignal_del(&ev); kill(getpid(), SIGCONT); #if 0 /* only way to verify we were in evsig_handler() */ /* XXXX Now there's no longer a good way. */ if (base->sig.evsig_caught) test_ok = 0; else test_ok = 1; #else test_ok = 1; #endif event_base_free(base); cleanup_test(); return; } /* * assert that we restore our previous signal handler properly. */ static void test_signal_restore(void) { struct event ev; struct event_base *base = event_init(); #ifdef EVENT__HAVE_SIGACTION struct sigaction sa; #endif test_ok = 0; #ifdef EVENT__HAVE_SIGACTION sa.sa_handler = signal_cb_sa; sa.sa_flags = 0x0; sigemptyset(&sa.sa_mask); if (sigaction(SIGUSR1, &sa, NULL) == -1) goto out; #else if (signal(SIGUSR1, signal_cb_sa) == SIG_ERR) goto out; #endif evsignal_set(&ev, SIGUSR1, signal_cb, &ev); evsignal_add(&ev, NULL); evsignal_del(&ev); kill(getpid(), SIGUSR1); /* 1 == signal_cb, 2 == signal_cb_sa, we want our previous handler */ if (test_ok != 2) test_ok = 0; out: event_base_free(base); cleanup_test(); return; } static void signal_cb_swp(int sig, short event, void *arg) { called++; if (called < 5) kill(getpid(), sig); else event_loopexit(NULL); } static void timeout_cb_swp(evutil_socket_t fd, short event, void *arg) { if (called == -1) { struct timeval tv = {5, 0}; called = 0; evtimer_add((struct event *)arg, &tv); kill(getpid(), SIGUSR1); return; } test_ok = 0; event_loopexit(NULL); } static void test_signal_while_processing(void) { struct event_base *base = event_init(); struct event ev, ev_timer; struct timeval tv = {0, 0}; setup_test("Receiving a signal while processing other signal: "); called = -1; test_ok = 1; signal_set(&ev, SIGUSR1, signal_cb_swp, NULL); signal_add(&ev, NULL); evtimer_set(&ev_timer, timeout_cb_swp, &ev_timer); evtimer_add(&ev_timer, &tv); event_dispatch(); event_base_free(base); cleanup_test(); return; } #endif static void test_free_active_base(void *ptr) { struct basic_test_data *data = ptr; struct event_base *base1; struct event ev1; base1 = event_init(); tt_assert(base1); event_assign(&ev1, base1, data->pair[1], EV_READ, dummy_read_cb, NULL); event_add(&ev1, NULL); event_base_free(base1); /* should not crash */ base1 = event_init(); tt_assert(base1); event_assign(&ev1, base1, data->pair[0], 0, dummy_read_cb, NULL); event_active(&ev1, EV_READ, 1); event_base_free(base1); end: ; } static void test_manipulate_active_events(void *ptr) { struct basic_test_data *data = ptr; struct event_base *base = data->base; struct event ev1; event_assign(&ev1, base, -1, EV_TIMEOUT, dummy_read_cb, NULL); /* Make sure an active event is pending. */ event_active(&ev1, EV_READ, 1); tt_int_op(event_pending(&ev1, EV_READ|EV_TIMEOUT|EV_WRITE, NULL), ==, EV_READ); /* Make sure that activating an event twice works. */ event_active(&ev1, EV_WRITE, 1); tt_int_op(event_pending(&ev1, EV_READ|EV_TIMEOUT|EV_WRITE, NULL), ==, EV_READ|EV_WRITE); end: event_del(&ev1); } static void event_selfarg_cb(evutil_socket_t fd, short event, void *arg) { struct event *ev = arg; struct event_base *base = event_get_base(ev); event_base_assert_ok_(base); event_base_loopexit(base, NULL); tt_want(ev == event_base_get_running_event(base)); } static void test_event_new_selfarg(void *ptr) { struct basic_test_data *data = ptr; struct event_base *base = data->base; struct event *ev = event_new(base, -1, EV_READ, event_selfarg_cb, event_self_cbarg()); event_active(ev, EV_READ, 1); event_base_dispatch(base); event_free(ev); } static void test_event_assign_selfarg(void *ptr) { struct basic_test_data *data = ptr; struct event_base *base = data->base; struct event ev; event_assign(&ev, base, -1, EV_READ, event_selfarg_cb, event_self_cbarg()); event_active(&ev, EV_READ, 1); event_base_dispatch(base); } static void test_event_base_get_num_events(void *ptr) { struct basic_test_data *data = ptr; struct event_base *base = data->base; struct event ev; int event_count_active; int event_count_virtual; int event_count_added; int event_count_active_virtual; int event_count_active_added; int event_count_virtual_added; int event_count_active_added_virtual; struct timeval qsec = {0, 100000}; event_assign(&ev, base, -1, EV_READ, event_selfarg_cb, event_self_cbarg()); event_add(&ev, &qsec); event_count_active = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE); event_count_virtual = event_base_get_num_events(base, EVENT_BASE_COUNT_VIRTUAL); event_count_added = event_base_get_num_events(base, EVENT_BASE_COUNT_ADDED); event_count_active_virtual = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_VIRTUAL); event_count_active_added = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_ADDED); event_count_virtual_added = event_base_get_num_events(base, EVENT_BASE_COUNT_VIRTUAL|EVENT_BASE_COUNT_ADDED); event_count_active_added_virtual = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE| EVENT_BASE_COUNT_ADDED| EVENT_BASE_COUNT_VIRTUAL); tt_int_op(event_count_active, ==, 0); tt_int_op(event_count_virtual, ==, 0); /* libevent itself adds a timeout event, so the event_count is 2 here */ tt_int_op(event_count_added, ==, 2); tt_int_op(event_count_active_virtual, ==, 0); tt_int_op(event_count_active_added, ==, 2); tt_int_op(event_count_virtual_added, ==, 2); tt_int_op(event_count_active_added_virtual, ==, 2); event_active(&ev, EV_READ, 1); event_count_active = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE); event_count_virtual = event_base_get_num_events(base, EVENT_BASE_COUNT_VIRTUAL); event_count_added = event_base_get_num_events(base, EVENT_BASE_COUNT_ADDED); event_count_active_virtual = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_VIRTUAL); event_count_active_added = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_ADDED); event_count_virtual_added = event_base_get_num_events(base, EVENT_BASE_COUNT_VIRTUAL|EVENT_BASE_COUNT_ADDED); event_count_active_added_virtual = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE| EVENT_BASE_COUNT_ADDED| EVENT_BASE_COUNT_VIRTUAL); tt_int_op(event_count_active, ==, 1); tt_int_op(event_count_virtual, ==, 0); tt_int_op(event_count_added, ==, 3); tt_int_op(event_count_active_virtual, ==, 1); tt_int_op(event_count_active_added, ==, 4); tt_int_op(event_count_virtual_added, ==, 3); tt_int_op(event_count_active_added_virtual, ==, 4); event_base_loop(base, 0); event_count_active = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE); event_count_virtual = event_base_get_num_events(base, EVENT_BASE_COUNT_VIRTUAL); event_count_added = event_base_get_num_events(base, EVENT_BASE_COUNT_ADDED); event_count_active_virtual = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_VIRTUAL); event_count_active_added = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_ADDED); event_count_virtual_added = event_base_get_num_events(base, EVENT_BASE_COUNT_VIRTUAL|EVENT_BASE_COUNT_ADDED); event_count_active_added_virtual = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE| EVENT_BASE_COUNT_ADDED| EVENT_BASE_COUNT_VIRTUAL); tt_int_op(event_count_active, ==, 0); tt_int_op(event_count_virtual, ==, 0); tt_int_op(event_count_added, ==, 0); tt_int_op(event_count_active_virtual, ==, 0); tt_int_op(event_count_active_added, ==, 0); tt_int_op(event_count_virtual_added, ==, 0); tt_int_op(event_count_active_added_virtual, ==, 0); event_base_add_virtual_(base); event_count_active = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE); event_count_virtual = event_base_get_num_events(base, EVENT_BASE_COUNT_VIRTUAL); event_count_added = event_base_get_num_events(base, EVENT_BASE_COUNT_ADDED); event_count_active_virtual = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_VIRTUAL); event_count_active_added = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_ADDED); event_count_virtual_added = event_base_get_num_events(base, EVENT_BASE_COUNT_VIRTUAL|EVENT_BASE_COUNT_ADDED); event_count_active_added_virtual = event_base_get_num_events(base, EVENT_BASE_COUNT_ACTIVE| EVENT_BASE_COUNT_ADDED| EVENT_BASE_COUNT_VIRTUAL); tt_int_op(event_count_active, ==, 0); tt_int_op(event_count_virtual, ==, 1); tt_int_op(event_count_added, ==, 0); tt_int_op(event_count_active_virtual, ==, 1); tt_int_op(event_count_active_added, ==, 0); tt_int_op(event_count_virtual_added, ==, 1); tt_int_op(event_count_active_added_virtual, ==, 1); end: ; } static void test_event_base_get_max_events(void *ptr) { struct basic_test_data *data = ptr; struct event_base *base = data->base; struct event ev; struct event ev2; int event_count_active; int event_count_virtual; int event_count_added; int event_count_active_virtual; int event_count_active_added; int event_count_virtual_added; int event_count_active_added_virtual; struct timeval qsec = {0, 100000}; event_assign(&ev, base, -1, EV_READ, event_selfarg_cb, event_self_cbarg()); event_assign(&ev2, base, -1, EV_READ, event_selfarg_cb, event_self_cbarg()); event_add(&ev, &qsec); event_add(&ev2, &qsec); event_del(&ev2); event_count_active = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE, 0); event_count_virtual = event_base_get_max_events(base, EVENT_BASE_COUNT_VIRTUAL, 0); event_count_added = event_base_get_max_events(base, EVENT_BASE_COUNT_ADDED, 0); event_count_active_virtual = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_VIRTUAL, 0); event_count_active_added = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_ADDED, 0); event_count_virtual_added = event_base_get_max_events(base, EVENT_BASE_COUNT_VIRTUAL | EVENT_BASE_COUNT_ADDED, 0); event_count_active_added_virtual = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_ADDED | EVENT_BASE_COUNT_VIRTUAL, 0); tt_int_op(event_count_active, ==, 0); tt_int_op(event_count_virtual, ==, 0); /* libevent itself adds a timeout event, so the event_count is 4 here */ tt_int_op(event_count_added, ==, 4); tt_int_op(event_count_active_virtual, ==, 0); tt_int_op(event_count_active_added, ==, 4); tt_int_op(event_count_virtual_added, ==, 4); tt_int_op(event_count_active_added_virtual, ==, 4); event_active(&ev, EV_READ, 1); event_count_active = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE, 0); event_count_virtual = event_base_get_max_events(base, EVENT_BASE_COUNT_VIRTUAL, 0); event_count_added = event_base_get_max_events(base, EVENT_BASE_COUNT_ADDED, 0); event_count_active_virtual = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_VIRTUAL, 0); event_count_active_added = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_ADDED, 0); event_count_virtual_added = event_base_get_max_events(base, EVENT_BASE_COUNT_VIRTUAL | EVENT_BASE_COUNT_ADDED, 0); event_count_active_added_virtual = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_ADDED | EVENT_BASE_COUNT_VIRTUAL, 0); tt_int_op(event_count_active, ==, 1); tt_int_op(event_count_virtual, ==, 0); tt_int_op(event_count_added, ==, 4); tt_int_op(event_count_active_virtual, ==, 1); tt_int_op(event_count_active_added, ==, 5); tt_int_op(event_count_virtual_added, ==, 4); tt_int_op(event_count_active_added_virtual, ==, 5); event_base_loop(base, 0); event_count_active = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE, 1); event_count_virtual = event_base_get_max_events(base, EVENT_BASE_COUNT_VIRTUAL, 1); event_count_added = event_base_get_max_events(base, EVENT_BASE_COUNT_ADDED, 1); event_count_active_virtual = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_VIRTUAL, 0); event_count_active_added = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_ADDED, 0); event_count_virtual_added = event_base_get_max_events(base, EVENT_BASE_COUNT_VIRTUAL | EVENT_BASE_COUNT_ADDED, 0); event_count_active_added_virtual = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_ADDED | EVENT_BASE_COUNT_VIRTUAL, 1); tt_int_op(event_count_active, ==, 1); tt_int_op(event_count_virtual, ==, 0); tt_int_op(event_count_added, ==, 4); tt_int_op(event_count_active_virtual, ==, 0); tt_int_op(event_count_active_added, ==, 0); tt_int_op(event_count_virtual_added, ==, 0); tt_int_op(event_count_active_added_virtual, ==, 0); event_count_active = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE, 0); event_count_virtual = event_base_get_max_events(base, EVENT_BASE_COUNT_VIRTUAL, 0); event_count_added = event_base_get_max_events(base, EVENT_BASE_COUNT_ADDED, 0); tt_int_op(event_count_active, ==, 0); tt_int_op(event_count_virtual, ==, 0); tt_int_op(event_count_added, ==, 0); event_base_add_virtual_(base); event_count_active = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE, 0); event_count_virtual = event_base_get_max_events(base, EVENT_BASE_COUNT_VIRTUAL, 0); event_count_added = event_base_get_max_events(base, EVENT_BASE_COUNT_ADDED, 0); event_count_active_virtual = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_VIRTUAL, 0); event_count_active_added = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_ADDED, 0); event_count_virtual_added = event_base_get_max_events(base, EVENT_BASE_COUNT_VIRTUAL | EVENT_BASE_COUNT_ADDED, 0); event_count_active_added_virtual = event_base_get_max_events(base, EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_ADDED | EVENT_BASE_COUNT_VIRTUAL, 0); tt_int_op(event_count_active, ==, 0); tt_int_op(event_count_virtual, ==, 1); tt_int_op(event_count_added, ==, 0); tt_int_op(event_count_active_virtual, ==, 1); tt_int_op(event_count_active_added, ==, 0); tt_int_op(event_count_virtual_added, ==, 1); tt_int_op(event_count_active_added_virtual, ==, 1); end: ; } static void test_bad_assign(void *ptr) { struct event ev; int r; /* READ|SIGNAL is not allowed */ r = event_assign(&ev, NULL, -1, EV_SIGNAL|EV_READ, dummy_read_cb, NULL); tt_int_op(r,==,-1); end: ; } static int reentrant_cb_run = 0; static void bad_reentrant_run_loop_cb(evutil_socket_t fd, short what, void *ptr) { struct event_base *base = ptr; int r; reentrant_cb_run = 1; /* This reentrant call to event_base_loop should be detected and * should fail */ r = event_base_loop(base, 0); tt_int_op(r, ==, -1); end: ; } static void test_bad_reentrant(void *ptr) { struct basic_test_data *data = ptr; struct event_base *base = data->base; struct event ev; int r; event_assign(&ev, base, -1, 0, bad_reentrant_run_loop_cb, base); event_active(&ev, EV_WRITE, 1); r = event_base_loop(base, 0); tt_int_op(r, ==, 1); tt_int_op(reentrant_cb_run, ==, 1); end: ; } static int n_write_a_byte_cb=0; static int n_read_and_drain_cb=0; static int n_activate_other_event_cb=0; static void write_a_byte_cb(evutil_socket_t fd, short what, void *arg) { char buf[] = "x"; if (write(fd, buf, 1) == 1) ++n_write_a_byte_cb; } static void read_and_drain_cb(evutil_socket_t fd, short what, void *arg) { char buf[128]; int n; ++n_read_and_drain_cb; while ((n = read(fd, buf, sizeof(buf))) > 0) ; } static void activate_other_event_cb(evutil_socket_t fd, short what, void *other_) { struct event *ev_activate = other_; ++n_activate_other_event_cb; event_active_later_(ev_activate, EV_READ); } static void test_active_later(void *ptr) { struct basic_test_data *data = ptr; struct event *ev1 = NULL, *ev2 = NULL; struct event ev3, ev4; struct timeval qsec = {0, 100000}; ev1 = event_new(data->base, data->pair[0], EV_READ|EV_PERSIST, read_and_drain_cb, NULL); ev2 = event_new(data->base, data->pair[1], EV_WRITE|EV_PERSIST, write_a_byte_cb, NULL); event_assign(&ev3, data->base, -1, 0, activate_other_event_cb, &ev4); event_assign(&ev4, data->base, -1, 0, activate_other_event_cb, &ev3); event_add(ev1, NULL); event_add(ev2, NULL); event_active_later_(&ev3, EV_READ); event_base_loopexit(data->base, &qsec); event_base_loop(data->base, 0); TT_BLATHER(("%d write calls, %d read calls, %d activate-other calls.", n_write_a_byte_cb, n_read_and_drain_cb, n_activate_other_event_cb)); event_del(&ev3); event_del(&ev4); tt_int_op(n_write_a_byte_cb, ==, n_activate_other_event_cb); tt_int_op(n_write_a_byte_cb, >, 100); tt_int_op(n_read_and_drain_cb, >, 100); tt_int_op(n_activate_other_event_cb, >, 100); event_active_later_(&ev4, EV_READ); event_active(&ev4, EV_READ, 1); /* This should make the event active immediately. */ tt_assert((ev4.ev_flags & EVLIST_ACTIVE) != 0); tt_assert((ev4.ev_flags & EVLIST_ACTIVE_LATER) == 0); /* Now leave this one around, so that event_free sees it and removes * it. */ event_active_later_(&ev3, EV_READ); event_base_assert_ok_(data->base); end: if (ev1) event_free(ev1); if (ev2) event_free(ev2); event_base_free(data->base); data->base = NULL; } static void incr_arg_cb(evutil_socket_t fd, short what, void *arg) { int *intptr = arg; (void) fd; (void) what; ++*intptr; } static void remove_timers_cb(evutil_socket_t fd, short what, void *arg) { struct event **ep = arg; (void) fd; (void) what; event_remove_timer(ep[0]); event_remove_timer(ep[1]); } static void send_a_byte_cb(evutil_socket_t fd, short what, void *arg) { evutil_socket_t *sockp = arg; (void) fd; (void) what; if (write(*sockp, "A", 1) < 0) tt_fail_perror("write"); } struct read_not_timeout_param { struct event **ev; int events; int count; }; static void read_not_timeout_cb(evutil_socket_t fd, short what, void *arg) { struct read_not_timeout_param *rntp = arg; char c; ev_ssize_t n; (void) fd; (void) what; n = read(fd, &c, 1); tt_int_op(n, ==, 1); rntp->events |= what; ++rntp->count; if(2 == rntp->count) event_del(rntp->ev[0]); end: ; } static void test_event_remove_timeout(void *ptr) { struct basic_test_data *data = ptr; struct event_base *base = data->base; struct event *ev[5]; int ev1_fired=0; struct timeval ms25 = { 0, 25*1000 }, ms40 = { 0, 40*1000 }, ms75 = { 0, 75*1000 }, ms125 = { 0, 125*1000 }; struct read_not_timeout_param rntp = { ev, 0, 0 }; event_base_assert_ok_(base); ev[0] = event_new(base, data->pair[0], EV_READ|EV_PERSIST, read_not_timeout_cb, &rntp); ev[1] = evtimer_new(base, incr_arg_cb, &ev1_fired); ev[2] = evtimer_new(base, remove_timers_cb, ev); ev[3] = evtimer_new(base, send_a_byte_cb, &data->pair[1]); ev[4] = evtimer_new(base, send_a_byte_cb, &data->pair[1]); tt_assert(base); event_add(ev[2], &ms25); /* remove timers */ event_add(ev[4], &ms40); /* write to test if timer re-activates */ event_add(ev[0], &ms75); /* read */ event_add(ev[1], &ms75); /* timer */ event_add(ev[3], &ms125); /* timeout. */ event_base_assert_ok_(base); event_base_dispatch(base); tt_int_op(ev1_fired, ==, 0); tt_int_op(rntp.events, ==, EV_READ); event_base_assert_ok_(base); end: event_free(ev[0]); event_free(ev[1]); event_free(ev[2]); event_free(ev[3]); event_free(ev[4]); } static void test_event_base_new(void *ptr) { struct basic_test_data *data = ptr; struct event_base *base = 0; struct event ev1; struct basic_cb_args args; int towrite = (int)strlen(TEST1)+1; int len = write(data->pair[0], TEST1, towrite); if (len < 0) tt_abort_perror("initial write"); else if (len != towrite) tt_abort_printf(("initial write fell short (%d of %d bytes)", len, towrite)); if (shutdown(data->pair[0], EVUTIL_SHUT_WR)) tt_abort_perror("initial write shutdown"); base = event_base_new(); if (!base) tt_abort_msg("failed to create event base"); args.eb = base; args.ev = &ev1; args.callcount = 0; event_assign(&ev1, base, data->pair[1], EV_READ|EV_PERSIST, basic_read_cb, &args); if (event_add(&ev1, NULL)) tt_abort_perror("initial event_add"); if (event_base_loop(base, 0)) tt_abort_msg("unsuccessful exit from event loop"); end: if (base) event_base_free(base); } static void test_loopexit(void) { struct timeval tv, tv_start, tv_end; struct event ev; setup_test("Loop exit: "); tv.tv_usec = 0; tv.tv_sec = 60*60*24; evtimer_set(&ev, timeout_cb, NULL); evtimer_add(&ev, &tv); tv.tv_usec = 300*1000; tv.tv_sec = 0; event_loopexit(&tv); evutil_gettimeofday(&tv_start, NULL); event_dispatch(); evutil_gettimeofday(&tv_end, NULL); evtimer_del(&ev); tt_assert(event_base_got_exit(global_base)); tt_assert(!event_base_got_break(global_base)); test_timeval_diff_eq(&tv_start, &tv_end, 300); test_ok = 1; end: cleanup_test(); } static void test_loopexit_multiple(void) { struct timeval tv, tv_start, tv_end; struct event_base *base; setup_test("Loop Multiple exit: "); base = event_base_new(); tv.tv_usec = 200*1000; tv.tv_sec = 0; event_base_loopexit(base, &tv); tv.tv_usec = 0; tv.tv_sec = 3; event_base_loopexit(base, &tv); evutil_gettimeofday(&tv_start, NULL); event_base_dispatch(base); evutil_gettimeofday(&tv_end, NULL); tt_assert(event_base_got_exit(base)); tt_assert(!event_base_got_break(base)); event_base_free(base); test_timeval_diff_eq(&tv_start, &tv_end, 200); test_ok = 1; end: cleanup_test(); } static void break_cb(evutil_socket_t fd, short events, void *arg) { test_ok = 1; event_loopbreak(); } static void fail_cb(evutil_socket_t fd, short events, void *arg) { test_ok = 0; } static void test_loopbreak(void) { struct event ev1, ev2; struct timeval tv; setup_test("Loop break: "); tv.tv_sec = 0; tv.tv_usec = 0; evtimer_set(&ev1, break_cb, NULL); evtimer_add(&ev1, &tv); evtimer_set(&ev2, fail_cb, NULL); evtimer_add(&ev2, &tv); event_dispatch(); tt_assert(!event_base_got_exit(global_base)); tt_assert(event_base_got_break(global_base)); evtimer_del(&ev1); evtimer_del(&ev2); end: cleanup_test(); } static struct event *readd_test_event_last_added = NULL; static void re_add_read_cb(evutil_socket_t fd, short event, void *arg) { char buf[256]; struct event *ev_other = arg; ev_ssize_t n_read; readd_test_event_last_added = ev_other; n_read = read(fd, buf, sizeof(buf)); if (n_read < 0) { tt_fail_perror("read"); event_base_loopbreak(event_get_base(ev_other)); } else { event_add(ev_other, NULL); ++test_ok; } } static void test_nonpersist_readd(void *_data) { struct event ev1, ev2; struct basic_test_data *data = _data; memset(&ev1, 0, sizeof(ev1)); memset(&ev2, 0, sizeof(ev2)); tt_assert(!event_assign(&ev1, data->base, data->pair[0], EV_READ, re_add_read_cb, &ev2)); tt_assert(!event_assign(&ev2, data->base, data->pair[1], EV_READ, re_add_read_cb, &ev1)); tt_int_op(write(data->pair[0], "Hello", 5), ==, 5); tt_int_op(write(data->pair[1], "Hello", 5), ==, 5); tt_int_op(event_add(&ev1, NULL), ==, 0); tt_int_op(event_add(&ev2, NULL), ==, 0); tt_int_op(event_base_loop(data->base, EVLOOP_ONCE), ==, 0); tt_int_op(test_ok, ==, 2); /* At this point, we executed both callbacks. Whichever one got * called first added the second, but the second then immediately got * deleted before its callback was called. At this point, though, it * re-added the first. */ tt_assert(readd_test_event_last_added); if (readd_test_event_last_added == &ev1) { tt_assert(event_pending(&ev1, EV_READ, NULL) && !event_pending(&ev2, EV_READ, NULL)); } else { tt_assert(event_pending(&ev2, EV_READ, NULL) && !event_pending(&ev1, EV_READ, NULL)); } end: if (event_initialized(&ev1)) event_del(&ev1); if (event_initialized(&ev2)) event_del(&ev2); } struct test_pri_event { struct event ev; int count; }; static void test_priorities_cb(evutil_socket_t fd, short what, void *arg) { struct test_pri_event *pri = arg; struct timeval tv; if (pri->count == 3) { event_loopexit(NULL); return; } pri->count++; evutil_timerclear(&tv); event_add(&pri->ev, &tv); } static void test_priorities_impl(int npriorities) { struct test_pri_event one, two; struct timeval tv; TT_BLATHER(("Testing Priorities %d: ", npriorities)); event_base_priority_init(global_base, npriorities); memset(&one, 0, sizeof(one)); memset(&two, 0, sizeof(two)); timeout_set(&one.ev, test_priorities_cb, &one); if (event_priority_set(&one.ev, 0) == -1) { fprintf(stderr, "%s: failed to set priority", __func__); exit(1); } timeout_set(&two.ev, test_priorities_cb, &two); if (event_priority_set(&two.ev, npriorities - 1) == -1) { fprintf(stderr, "%s: failed to set priority", __func__); exit(1); } evutil_timerclear(&tv); if (event_add(&one.ev, &tv) == -1) exit(1); if (event_add(&two.ev, &tv) == -1) exit(1); event_dispatch(); event_del(&one.ev); event_del(&two.ev); if (npriorities == 1) { if (one.count == 3 && two.count == 3) test_ok = 1; } else if (npriorities == 2) { /* Two is called once because event_loopexit is priority 1 */ if (one.count == 3 && two.count == 1) test_ok = 1; } else { if (one.count == 3 && two.count == 0) test_ok = 1; } } static void test_priorities(void) { test_priorities_impl(1); if (test_ok) test_priorities_impl(2); if (test_ok) test_priorities_impl(3); } /* priority-active-inversion: activate a higher-priority event, and make sure * it keeps us from running a lower-priority event first. */ static int n_pai_calls = 0; static struct event pai_events[3]; static void prio_active_inversion_cb(evutil_socket_t fd, short what, void *arg) { int *call_order = arg; *call_order = n_pai_calls++; if (n_pai_calls == 1) { /* This should activate later, even though it shares a priority with us. */ event_active(&pai_events[1], EV_READ, 1); /* This should activate next, since its priority is higher, even though we activated it second. */ event_active(&pai_events[2], EV_TIMEOUT, 1); } } static void test_priority_active_inversion(void *data_) { struct basic_test_data *data = data_; struct event_base *base = data->base; int call_order[3]; int i; tt_int_op(event_base_priority_init(base, 8), ==, 0); n_pai_calls = 0; memset(call_order, 0, sizeof(call_order)); for (i=0;i<3;++i) { event_assign(&pai_events[i], data->base, -1, 0, prio_active_inversion_cb, &call_order[i]); } event_priority_set(&pai_events[0], 4); event_priority_set(&pai_events[1], 4); event_priority_set(&pai_events[2], 0); event_active(&pai_events[0], EV_WRITE, 1); event_base_dispatch(base); tt_int_op(n_pai_calls, ==, 3); tt_int_op(call_order[0], ==, 0); tt_int_op(call_order[1], ==, 2); tt_int_op(call_order[2], ==, 1); end: ; } static void test_multiple_cb(evutil_socket_t fd, short event, void *arg) { if (event & EV_READ) test_ok |= 1; else if (event & EV_WRITE) test_ok |= 2; } static void test_multiple_events_for_same_fd(void) { struct event e1, e2; setup_test("Multiple events for same fd: "); event_set(&e1, pair[0], EV_READ, test_multiple_cb, NULL); event_add(&e1, NULL); event_set(&e2, pair[0], EV_WRITE, test_multiple_cb, NULL); event_add(&e2, NULL); event_loop(EVLOOP_ONCE); event_del(&e2); if (write(pair[1], TEST1, strlen(TEST1)+1) < 0) { tt_fail_perror("write"); } event_loop(EVLOOP_ONCE); event_del(&e1); if (test_ok != 3) test_ok = 0; cleanup_test(); } int evtag_decode_int(ev_uint32_t *pnumber, struct evbuffer *evbuf); int evtag_decode_int64(ev_uint64_t *pnumber, struct evbuffer *evbuf); int evtag_encode_tag(struct evbuffer *evbuf, ev_uint32_t number); int evtag_decode_tag(ev_uint32_t *pnumber, struct evbuffer *evbuf); static void read_once_cb(evutil_socket_t fd, short event, void *arg) { char buf[256]; int len; len = read(fd, buf, sizeof(buf)); if (called) { test_ok = 0; } else if (len) { /* Assumes global pair[0] can be used for writing */ if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) { tt_fail_perror("write"); test_ok = 0; } else { test_ok = 1; } } called++; } static void test_want_only_once(void) { struct event ev; struct timeval tv; /* Very simple read test */ setup_test("Want read only once: "); if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) { tt_fail_perror("write"); } /* Setup the loop termination */ evutil_timerclear(&tv); tv.tv_usec = 300*1000; event_loopexit(&tv); event_set(&ev, pair[1], EV_READ, read_once_cb, &ev); if (event_add(&ev, NULL) == -1) exit(1); event_dispatch(); cleanup_test(); } #define TEST_MAX_INT 6 static void evtag_int_test(void *ptr) { struct evbuffer *tmp = evbuffer_new(); ev_uint32_t integers[TEST_MAX_INT] = { 0xaf0, 0x1000, 0x1, 0xdeadbeef, 0x00, 0xbef000 }; ev_uint32_t integer; ev_uint64_t big_int; int i; evtag_init(); for (i = 0; i < TEST_MAX_INT; i++) { int oldlen, newlen; oldlen = (int)EVBUFFER_LENGTH(tmp); evtag_encode_int(tmp, integers[i]); newlen = (int)EVBUFFER_LENGTH(tmp); TT_BLATHER(("encoded 0x%08x with %d bytes", (unsigned)integers[i], newlen - oldlen)); big_int = integers[i]; big_int *= 1000000000; /* 1 billion */ evtag_encode_int64(tmp, big_int); } for (i = 0; i < TEST_MAX_INT; i++) { tt_int_op(evtag_decode_int(&integer, tmp), !=, -1); tt_uint_op(integer, ==, integers[i]); tt_int_op(evtag_decode_int64(&big_int, tmp), !=, -1); tt_assert((big_int / 1000000000) == integers[i]); } tt_uint_op(EVBUFFER_LENGTH(tmp), ==, 0); end: evbuffer_free(tmp); } static void evtag_fuzz(void *ptr) { unsigned char buffer[4096]; struct evbuffer *tmp = evbuffer_new(); struct timeval tv; int i, j; int not_failed = 0; evtag_init(); for (j = 0; j < 100; j++) { for (i = 0; i < (int)sizeof(buffer); i++) buffer[i] = test_weakrand(); evbuffer_drain(tmp, -1); evbuffer_add(tmp, buffer, sizeof(buffer)); if (evtag_unmarshal_timeval(tmp, 0, &tv) != -1) not_failed++; } /* The majority of decodes should fail */ tt_int_op(not_failed, <, 10); /* Now insert some corruption into the tag length field */ evbuffer_drain(tmp, -1); evutil_timerclear(&tv); tv.tv_sec = 1; evtag_marshal_timeval(tmp, 0, &tv); evbuffer_add(tmp, buffer, sizeof(buffer)); ((char *)EVBUFFER_DATA(tmp))[1] = '\xff'; if (evtag_unmarshal_timeval(tmp, 0, &tv) != -1) { tt_abort_msg("evtag_unmarshal_timeval should have failed"); } end: evbuffer_free(tmp); } static void evtag_tag_encoding(void *ptr) { struct evbuffer *tmp = evbuffer_new(); ev_uint32_t integers[TEST_MAX_INT] = { 0xaf0, 0x1000, 0x1, 0xdeadbeef, 0x00, 0xbef000 }; ev_uint32_t integer; int i; evtag_init(); for (i = 0; i < TEST_MAX_INT; i++) { int oldlen, newlen; oldlen = (int)EVBUFFER_LENGTH(tmp); evtag_encode_tag(tmp, integers[i]); newlen = (int)EVBUFFER_LENGTH(tmp); TT_BLATHER(("encoded 0x%08x with %d bytes", (unsigned)integers[i], newlen - oldlen)); } for (i = 0; i < TEST_MAX_INT; i++) { tt_int_op(evtag_decode_tag(&integer, tmp), !=, -1); tt_uint_op(integer, ==, integers[i]); } tt_uint_op(EVBUFFER_LENGTH(tmp), ==, 0); end: evbuffer_free(tmp); } static void evtag_test_peek(void *ptr) { struct evbuffer *tmp = evbuffer_new(); ev_uint32_t u32; evtag_marshal_int(tmp, 30, 0); evtag_marshal_string(tmp, 40, "Hello world"); tt_int_op(evtag_peek(tmp, &u32), ==, 1); tt_int_op(u32, ==, 30); tt_int_op(evtag_peek_length(tmp, &u32), ==, 0); tt_int_op(u32, ==, 1+1+1); tt_int_op(evtag_consume(tmp), ==, 0); tt_int_op(evtag_peek(tmp, &u32), ==, 1); tt_int_op(u32, ==, 40); tt_int_op(evtag_peek_length(tmp, &u32), ==, 0); tt_int_op(u32, ==, 1+1+11); tt_int_op(evtag_payload_length(tmp, &u32), ==, 0); tt_int_op(u32, ==, 11); end: evbuffer_free(tmp); } static void test_methods(void *ptr) { const char **methods = event_get_supported_methods(); struct event_config *cfg = NULL; struct event_base *base = NULL; const char *backend; int n_methods = 0; tt_assert(methods); backend = methods[0]; while (*methods != NULL) { TT_BLATHER(("Support method: %s", *methods)); ++methods; ++n_methods; } cfg = event_config_new(); assert(cfg != NULL); tt_int_op(event_config_avoid_method(cfg, backend), ==, 0); event_config_set_flag(cfg, EVENT_BASE_FLAG_IGNORE_ENV); base = event_base_new_with_config(cfg); if (n_methods > 1) { tt_assert(base); tt_str_op(backend, !=, event_base_get_method(base)); } else { tt_assert(base == NULL); } end: if (base) event_base_free(base); if (cfg) event_config_free(cfg); } static void test_version(void *arg) { const char *vstr; ev_uint32_t vint; int major, minor, patch, n; vstr = event_get_version(); vint = event_get_version_number(); tt_assert(vstr); tt_assert(vint); tt_str_op(vstr, ==, LIBEVENT_VERSION); tt_int_op(vint, ==, LIBEVENT_VERSION_NUMBER); n = sscanf(vstr, "%d.%d.%d", &major, &minor, &patch); tt_assert(3 == n); tt_int_op((vint&0xffffff00), ==, ((major<<24)|(minor<<16)|(patch<<8))); end: ; } static void test_base_features(void *arg) { struct event_base *base = NULL; struct event_config *cfg = NULL; cfg = event_config_new(); tt_assert(0 == event_config_require_features(cfg, EV_FEATURE_ET)); base = event_base_new_with_config(cfg); if (base) { tt_int_op(EV_FEATURE_ET, ==, event_base_get_features(base) & EV_FEATURE_ET); } else { base = event_base_new(); tt_int_op(0, ==, event_base_get_features(base) & EV_FEATURE_ET); } end: if (base) event_base_free(base); if (cfg) event_config_free(cfg); } #ifdef EVENT__HAVE_SETENV #define SETENV_OK #elif !defined(EVENT__HAVE_SETENV) && defined(EVENT__HAVE_PUTENV) static void setenv(const char *k, const char *v, int o_) { char b[256]; evutil_snprintf(b, sizeof(b), "%s=%s",k,v); putenv(b); } #define SETENV_OK #endif #ifdef EVENT__HAVE_UNSETENV #define UNSETENV_OK #elif !defined(EVENT__HAVE_UNSETENV) && defined(EVENT__HAVE_PUTENV) static void unsetenv(const char *k) { char b[256]; evutil_snprintf(b, sizeof(b), "%s=",k); putenv(b); } #define UNSETENV_OK #endif #if defined(SETENV_OK) && defined(UNSETENV_OK) static void methodname_to_envvar(const char *mname, char *buf, size_t buflen) { char *cp; evutil_snprintf(buf, buflen, "EVENT_NO%s", mname); for (cp = buf; *cp; ++cp) { *cp = EVUTIL_TOUPPER_(*cp); } } #endif static void test_base_environ(void *arg) { struct event_base *base = NULL; struct event_config *cfg = NULL; #if defined(SETENV_OK) && defined(UNSETENV_OK) const char **basenames; int i, n_methods=0; char varbuf[128]; const char *defaultname, *ignoreenvname; /* See if unsetenv works before we rely on it. */ setenv("EVENT_NOWAFFLES", "1", 1); unsetenv("EVENT_NOWAFFLES"); if (getenv("EVENT_NOWAFFLES") != NULL) { #ifndef EVENT__HAVE_UNSETENV TT_DECLARE("NOTE", ("Can't fake unsetenv; skipping test")); #else TT_DECLARE("NOTE", ("unsetenv doesn't work; skipping test")); #endif tt_skip(); } basenames = event_get_supported_methods(); for (i = 0; basenames[i]; ++i) { methodname_to_envvar(basenames[i], varbuf, sizeof(varbuf)); unsetenv(varbuf); ++n_methods; } base = event_base_new(); tt_assert(base); defaultname = event_base_get_method(base); TT_BLATHER(("default is <%s>", defaultname)); event_base_free(base); base = NULL; /* Can we disable the method with EVENT_NOfoo ? */ if (!strcmp(defaultname, "epoll (with changelist)")) { setenv("EVENT_NOEPOLL", "1", 1); ignoreenvname = "epoll"; } else { methodname_to_envvar(defaultname, varbuf, sizeof(varbuf)); setenv(varbuf, "1", 1); ignoreenvname = defaultname; } /* Use an empty cfg rather than NULL so a failure doesn't exit() */ cfg = event_config_new(); base = event_base_new_with_config(cfg); event_config_free(cfg); cfg = NULL; if (n_methods == 1) { tt_assert(!base); } else { tt_assert(base); tt_str_op(defaultname, !=, event_base_get_method(base)); event_base_free(base); base = NULL; } /* Can we disable looking at the environment with IGNORE_ENV ? */ cfg = event_config_new(); event_config_set_flag(cfg, EVENT_BASE_FLAG_IGNORE_ENV); base = event_base_new_with_config(cfg); tt_assert(base); tt_str_op(ignoreenvname, ==, event_base_get_method(base)); #else tt_skip(); #endif end: if (base) event_base_free(base); if (cfg) event_config_free(cfg); } static void read_called_once_cb(evutil_socket_t fd, short event, void *arg) { tt_int_op(event, ==, EV_READ); called += 1; end: ; } static void timeout_called_once_cb(evutil_socket_t fd, short event, void *arg) { tt_int_op(event, ==, EV_TIMEOUT); called += 100; end: ; } static void immediate_called_twice_cb(evutil_socket_t fd, short event, void *arg) { tt_int_op(event, ==, EV_TIMEOUT); called += 1000; end: ; } static void test_event_once(void *ptr) { struct basic_test_data *data = ptr; struct timeval tv; int r; tv.tv_sec = 0; tv.tv_usec = 50*1000; called = 0; r = event_base_once(data->base, data->pair[0], EV_READ, read_called_once_cb, NULL, NULL); tt_int_op(r, ==, 0); r = event_base_once(data->base, -1, EV_TIMEOUT, timeout_called_once_cb, NULL, &tv); tt_int_op(r, ==, 0); r = event_base_once(data->base, -1, 0, NULL, NULL, NULL); tt_int_op(r, <, 0); r = event_base_once(data->base, -1, EV_TIMEOUT, immediate_called_twice_cb, NULL, NULL); tt_int_op(r, ==, 0); tv.tv_sec = 0; tv.tv_usec = 0; r = event_base_once(data->base, -1, EV_TIMEOUT, immediate_called_twice_cb, NULL, &tv); tt_int_op(r, ==, 0); if (write(data->pair[1], TEST1, strlen(TEST1)+1) < 0) { tt_fail_perror("write"); } shutdown(data->pair[1], EVUTIL_SHUT_WR); event_base_dispatch(data->base); tt_int_op(called, ==, 2101); end: ; } static void test_event_once_never(void *ptr) { struct basic_test_data *data = ptr; struct timeval tv; /* Have one trigger in 10 seconds (don't worry, because) */ tv.tv_sec = 10; tv.tv_usec = 0; called = 0; event_base_once(data->base, -1, EV_TIMEOUT, timeout_called_once_cb, NULL, &tv); /* But shut down the base in 75 msec. */ tv.tv_sec = 0; tv.tv_usec = 75*1000; event_base_loopexit(data->base, &tv); event_base_dispatch(data->base); tt_int_op(called, ==, 0); end: ; } static void test_event_pending(void *ptr) { struct basic_test_data *data = ptr; struct event *r=NULL, *w=NULL, *t=NULL; struct timeval tv, now, tv2; tv.tv_sec = 0; tv.tv_usec = 500 * 1000; r = event_new(data->base, data->pair[0], EV_READ, simple_read_cb, NULL); w = event_new(data->base, data->pair[1], EV_WRITE, simple_write_cb, NULL); t = evtimer_new(data->base, timeout_cb, NULL); tt_assert(r); tt_assert(w); tt_assert(t); evutil_gettimeofday(&now, NULL); event_add(r, NULL); event_add(t, &tv); tt_assert( event_pending(r, EV_READ, NULL)); tt_assert(!event_pending(w, EV_WRITE, NULL)); tt_assert(!event_pending(r, EV_WRITE, NULL)); tt_assert( event_pending(r, EV_READ|EV_WRITE, NULL)); tt_assert(!event_pending(r, EV_TIMEOUT, NULL)); tt_assert( event_pending(t, EV_TIMEOUT, NULL)); tt_assert( event_pending(t, EV_TIMEOUT, &tv2)); tt_assert(evutil_timercmp(&tv2, &now, >)); test_timeval_diff_eq(&now, &tv2, 500); end: if (r) { event_del(r); event_free(r); } if (w) { event_del(w); event_free(w); } if (t) { event_del(t); event_free(t); } } static void dfd_cb(evutil_socket_t fd, short e, void *data) { *(int*)data = (int)e; } static void test_event_closed_fd_poll(void *arg) { struct timeval tv; struct event *e; struct basic_test_data *data = (struct basic_test_data *)arg; int i = 0; if (strcmp(event_base_get_method(data->base), "poll")) { tinytest_set_test_skipped_(); return; } e = event_new(data->base, data->pair[0], EV_READ, dfd_cb, &i); tt_assert(e); tv.tv_sec = 0; tv.tv_usec = 500 * 1000; event_add(e, &tv); tt_assert(event_pending(e, EV_READ, NULL)); close(data->pair[0]); data->pair[0] = -1; /** avoids double-close */ event_base_loop(data->base, EVLOOP_ONCE); tt_int_op(i, ==, EV_READ); end: if (e) { event_del(e); event_free(e); } } #ifndef _WIN32 /* You can't do this test on windows, since dup2 doesn't work on sockets */ /* Regression test for our workaround for a fun epoll/linux related bug * where fd2 = dup(fd1); add(fd2); close(fd2); dup2(fd1,fd2); add(fd2) * will get you an EEXIST */ static void test_dup_fd(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct event *ev1=NULL, *ev2=NULL; int fd, dfd=-1; int ev1_got, ev2_got; tt_int_op(write(data->pair[0], "Hello world", strlen("Hello world")), >, 0); fd = data->pair[1]; dfd = dup(fd); tt_int_op(dfd, >=, 0); ev1 = event_new(base, fd, EV_READ|EV_PERSIST, dfd_cb, &ev1_got); ev2 = event_new(base, dfd, EV_READ|EV_PERSIST, dfd_cb, &ev2_got); ev1_got = ev2_got = 0; event_add(ev1, NULL); event_add(ev2, NULL); event_base_loop(base, EVLOOP_ONCE); tt_int_op(ev1_got, ==, EV_READ); tt_int_op(ev2_got, ==, EV_READ); /* Now close and delete dfd then dispatch. We need to do the * dispatch here so that when we add it later, we think there * was an intermediate delete. */ close(dfd); event_del(ev2); ev1_got = ev2_got = 0; event_base_loop(base, EVLOOP_ONCE); tt_want_int_op(ev1_got, ==, EV_READ); tt_int_op(ev2_got, ==, 0); /* Re-duplicate the fd. We need to get the same duplicated * value that we closed to provoke the epoll quirk. Also, we * need to change the events to write, or else the old lingering * read event will make the test pass whether the change was * successful or not. */ tt_int_op(dup2(fd, dfd), ==, dfd); event_free(ev2); ev2 = event_new(base, dfd, EV_WRITE|EV_PERSIST, dfd_cb, &ev2_got); event_add(ev2, NULL); ev1_got = ev2_got = 0; event_base_loop(base, EVLOOP_ONCE); tt_want_int_op(ev1_got, ==, EV_READ); tt_int_op(ev2_got, ==, EV_WRITE); end: if (ev1) event_free(ev1); if (ev2) event_free(ev2); if (dfd >= 0) close(dfd); } #endif #ifdef EVENT__DISABLE_MM_REPLACEMENT static void test_mm_functions(void *arg) { tinytest_set_test_skipped_(); } #else static int check_dummy_mem_ok(void *mem_) { char *mem = mem_; mem -= 16; return !memcmp(mem, "{[]}", 16); } static void * dummy_malloc(size_t len) { char *mem = malloc(len+16); memcpy(mem, "{[]}", 16); return mem+16; } static void * dummy_realloc(void *mem_, size_t len) { char *mem = mem_; if (!mem) return dummy_malloc(len); tt_want(check_dummy_mem_ok(mem_)); mem -= 16; mem = realloc(mem, len+16); return mem+16; } static void dummy_free(void *mem_) { char *mem = mem_; tt_want(check_dummy_mem_ok(mem_)); mem -= 16; free(mem); } static void test_mm_functions(void *arg) { struct event_base *b = NULL; struct event_config *cfg = NULL; event_set_mem_functions(dummy_malloc, dummy_realloc, dummy_free); cfg = event_config_new(); event_config_avoid_method(cfg, "Nonesuch"); b = event_base_new_with_config(cfg); tt_assert(b); tt_assert(check_dummy_mem_ok(b)); end: if (cfg) event_config_free(cfg); if (b) event_base_free(b); } #endif static void many_event_cb(evutil_socket_t fd, short event, void *arg) { int *calledp = arg; *calledp += 1; } static void test_many_events(void *arg) { /* Try 70 events that should all be ready at once. This will * exercise the "resize" code on most of the backends, and will make * sure that we can get past the 64-handle limit of some windows * functions. */ #define MANY 70 struct basic_test_data *data = arg; struct event_base *base = data->base; int one_at_a_time = data->setup_data != NULL; evutil_socket_t sock[MANY]; struct event *ev[MANY]; int called[MANY]; int i; int loopflags = EVLOOP_NONBLOCK, evflags=0; if (one_at_a_time) { loopflags |= EVLOOP_ONCE; evflags = EV_PERSIST; } memset(sock, 0xff, sizeof(sock)); memset(ev, 0, sizeof(ev)); memset(called, 0, sizeof(called)); for (i = 0; i < MANY; ++i) { /* We need an event that will hit the backend, and that will * be ready immediately. "Send a datagram" is an easy * instance of that. */ sock[i] = socket(AF_INET, SOCK_DGRAM, 0); tt_assert(sock[i] >= 0); tt_assert(!evutil_make_socket_nonblocking(sock[i])); called[i] = 0; ev[i] = event_new(base, sock[i], EV_WRITE|evflags, many_event_cb, &called[i]); event_add(ev[i], NULL); if (one_at_a_time) event_base_loop(base, EVLOOP_NONBLOCK|EVLOOP_ONCE); } event_base_loop(base, loopflags); for (i = 0; i < MANY; ++i) { if (one_at_a_time) tt_int_op(called[i], ==, MANY - i + 1); else tt_int_op(called[i], ==, 1); } end: for (i = 0; i < MANY; ++i) { if (ev[i]) event_free(ev[i]); if (sock[i] >= 0) evutil_closesocket(sock[i]); } #undef MANY } static void test_struct_event_size(void *arg) { tt_int_op(event_get_struct_event_size(), <=, sizeof(struct event)); end: ; } static void test_get_assignment(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct event *ev1 = NULL; const char *str = "foo"; struct event_base *b; evutil_socket_t s; short what; event_callback_fn cb; void *cb_arg; ev1 = event_new(base, data->pair[1], EV_READ, dummy_read_cb, (void*)str); event_get_assignment(ev1, &b, &s, &what, &cb, &cb_arg); tt_ptr_op(b, ==, base); tt_fd_op(s, ==, data->pair[1]); tt_int_op(what, ==, EV_READ); tt_ptr_op(cb, ==, dummy_read_cb); tt_ptr_op(cb_arg, ==, str); /* Now make sure this doesn't crash. */ event_get_assignment(ev1, NULL, NULL, NULL, NULL, NULL); end: if (ev1) event_free(ev1); } struct foreach_helper { int count; const struct event *ev; }; static int foreach_count_cb(const struct event_base *base, const struct event *ev, void *arg) { struct foreach_helper *h = event_get_callback_arg(ev); struct timeval *tv = arg; if (event_get_callback(ev) != timeout_cb) return 0; tt_ptr_op(event_get_base(ev), ==, base); tt_int_op(tv->tv_sec, ==, 10); h->ev = ev; h->count++; return 0; end: return -1; } static int foreach_find_cb(const struct event_base *base, const struct event *ev, void *arg) { const struct event **ev_out = arg; struct foreach_helper *h = event_get_callback_arg(ev); if (event_get_callback(ev) != timeout_cb) return 0; if (h->count == 99) { *ev_out = ev; return 101; } return 0; } static void test_event_foreach(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct event *ev[5]; struct foreach_helper visited[5]; int i; struct timeval ten_sec = {10,0}; const struct event *ev_found = NULL; for (i = 0; i < 5; ++i) { visited[i].count = 0; visited[i].ev = NULL; ev[i] = event_new(base, -1, 0, timeout_cb, &visited[i]); } tt_int_op(-1, ==, event_base_foreach_event(NULL, foreach_count_cb, NULL)); tt_int_op(-1, ==, event_base_foreach_event(base, NULL, NULL)); event_add(ev[0], &ten_sec); event_add(ev[1], &ten_sec); event_active(ev[1], EV_TIMEOUT, 1); event_active(ev[2], EV_TIMEOUT, 1); event_add(ev[3], &ten_sec); /* Don't touch ev[4]. */ tt_int_op(0, ==, event_base_foreach_event(base, foreach_count_cb, &ten_sec)); tt_int_op(1, ==, visited[0].count); tt_int_op(1, ==, visited[1].count); tt_int_op(1, ==, visited[2].count); tt_int_op(1, ==, visited[3].count); tt_ptr_op(ev[0], ==, visited[0].ev); tt_ptr_op(ev[1], ==, visited[1].ev); tt_ptr_op(ev[2], ==, visited[2].ev); tt_ptr_op(ev[3], ==, visited[3].ev); visited[2].count = 99; tt_int_op(101, ==, event_base_foreach_event(base, foreach_find_cb, &ev_found)); tt_ptr_op(ev_found, ==, ev[2]); end: for (i=0; i<5; ++i) { event_free(ev[i]); } } static struct event_base *cached_time_base = NULL; static int cached_time_reset = 0; static int cached_time_sleep = 0; static void cache_time_cb(evutil_socket_t fd, short what, void *arg) { struct timeval *tv = arg; tt_int_op(0, ==, event_base_gettimeofday_cached(cached_time_base, tv)); if (cached_time_sleep) { struct timeval delay = { 0, 30*1000 }; evutil_usleep_(&delay); } if (cached_time_reset) { event_base_update_cache_time(cached_time_base); } end: ; } static void test_gettimeofday_cached(void *arg) { struct basic_test_data *data = arg; struct event_config *cfg = NULL; struct event_base *base = NULL; struct timeval tv1, tv2, tv3, now; struct event *ev1=NULL, *ev2=NULL, *ev3=NULL; int cached_time_disable = strstr(data->setup_data, "disable") != NULL; cfg = event_config_new(); if (cached_time_disable) { event_config_set_flag(cfg, EVENT_BASE_FLAG_NO_CACHE_TIME); } cached_time_base = base = event_base_new_with_config(cfg); tt_assert(base); /* Try gettimeofday_cached outside of an event loop. */ evutil_gettimeofday(&now, NULL); tt_int_op(0, ==, event_base_gettimeofday_cached(NULL, &tv1)); tt_int_op(0, ==, event_base_gettimeofday_cached(base, &tv2)); tt_int_op(timeval_msec_diff(&tv1, &tv2), <, 10); tt_int_op(timeval_msec_diff(&tv1, &now), <, 10); cached_time_reset = strstr(data->setup_data, "reset") != NULL; cached_time_sleep = strstr(data->setup_data, "sleep") != NULL; ev1 = event_new(base, -1, 0, cache_time_cb, &tv1); ev2 = event_new(base, -1, 0, cache_time_cb, &tv2); ev3 = event_new(base, -1, 0, cache_time_cb, &tv3); event_active(ev1, EV_TIMEOUT, 1); event_active(ev2, EV_TIMEOUT, 1); event_active(ev3, EV_TIMEOUT, 1); event_base_dispatch(base); if (cached_time_reset && cached_time_sleep) { tt_int_op(labs(timeval_msec_diff(&tv1,&tv2)), >, 10); tt_int_op(labs(timeval_msec_diff(&tv2,&tv3)), >, 10); } else if (cached_time_disable && cached_time_sleep) { tt_int_op(labs(timeval_msec_diff(&tv1,&tv2)), >, 10); tt_int_op(labs(timeval_msec_diff(&tv2,&tv3)), >, 10); } else if (! cached_time_disable) { tt_assert(evutil_timercmp(&tv1, &tv2, ==)); tt_assert(evutil_timercmp(&tv2, &tv3, ==)); } end: if (ev1) event_free(ev1); if (ev2) event_free(ev2); if (ev3) event_free(ev3); if (base) event_base_free(base); if (cfg) event_config_free(cfg); } static void tabf_cb(evutil_socket_t fd, short what, void *arg) { int *ptr = arg; *ptr = what; *ptr += 0x10000; } static void test_evmap_invalid_slots(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct event *ev1 = NULL, *ev2 = NULL; int e1, e2; #ifndef _WIN32 struct event *ev3 = NULL, *ev4 = NULL; int e3, e4; #endif ev1 = evsignal_new(base, -1, dummy_read_cb, (void *)base); ev2 = evsignal_new(base, NSIG, dummy_read_cb, (void *)base); tt_assert(ev1); tt_assert(ev2); e1 = event_add(ev1, NULL); e2 = event_add(ev2, NULL); tt_int_op(e1, !=, 0); tt_int_op(e2, !=, 0); #ifndef _WIN32 ev3 = event_new(base, INT_MAX, EV_READ, dummy_read_cb, (void *)base); ev4 = event_new(base, INT_MAX / 2, EV_READ, dummy_read_cb, (void *)base); tt_assert(ev3); tt_assert(ev4); e3 = event_add(ev3, NULL); e4 = event_add(ev4, NULL); tt_int_op(e3, !=, 0); tt_int_op(e4, !=, 0); #endif end: event_free(ev1); event_free(ev2); #ifndef _WIN32 event_free(ev3); event_free(ev4); #endif } static void test_active_by_fd(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct event *ev1 = NULL, *ev2 = NULL, *ev3 = NULL, *ev4 = NULL; int e1,e2,e3,e4; #ifndef _WIN32 struct event *evsig = NULL; int es; #endif struct timeval tenmin = { 600, 0 }; /* Ensure no crash on nonexistent FD. */ event_base_active_by_fd(base, 1000, EV_READ); /* Ensure no crash on bogus FD. */ event_base_active_by_fd(base, -1, EV_READ); /* Ensure no crash on nonexistent/bogus signal. */ event_base_active_by_signal(base, 1000); event_base_active_by_signal(base, -1); event_base_assert_ok_(base); e1 = e2 = e3 = e4 = 0; ev1 = event_new(base, data->pair[0], EV_READ, tabf_cb, &e1); ev2 = event_new(base, data->pair[0], EV_WRITE, tabf_cb, &e2); ev3 = event_new(base, data->pair[1], EV_READ, tabf_cb, &e3); ev4 = event_new(base, data->pair[1], EV_READ, tabf_cb, &e4); tt_assert(ev1); tt_assert(ev2); tt_assert(ev3); tt_assert(ev4); #ifndef _WIN32 evsig = event_new(base, SIGHUP, EV_SIGNAL, tabf_cb, &es); tt_assert(evsig); event_add(evsig, &tenmin); #endif event_add(ev1, &tenmin); event_add(ev2, NULL); event_add(ev3, NULL); event_add(ev4, &tenmin); event_base_assert_ok_(base); /* Trigger 2, 3, 4 */ event_base_active_by_fd(base, data->pair[0], EV_WRITE); event_base_active_by_fd(base, data->pair[1], EV_READ); event_base_active_by_fd(base, data->pair[1], EV_TIMEOUT); #ifndef _WIN32 event_base_active_by_signal(base, SIGHUP); #endif event_base_assert_ok_(base); event_base_loop(base, EVLOOP_ONCE); tt_int_op(e1, ==, 0); tt_int_op(e2, ==, EV_WRITE | 0x10000); tt_int_op(e3, ==, EV_READ | 0x10000); /* Mask out EV_WRITE here, since it could be genuinely writeable. */ tt_int_op((e4 & ~EV_WRITE), ==, EV_READ | EV_TIMEOUT | 0x10000); #ifndef _WIN32 tt_int_op(es, ==, EV_SIGNAL | 0x10000); #endif end: if (ev1) event_free(ev1); if (ev2) event_free(ev2); if (ev3) event_free(ev3); if (ev4) event_free(ev4); #ifndef _WIN32 if (evsig) event_free(evsig); #endif } struct testcase_t main_testcases[] = { /* Some converted-over tests */ { "methods", test_methods, TT_FORK, NULL, NULL }, { "version", test_version, 0, NULL, NULL }, BASIC(base_features, TT_FORK|TT_NO_LOGS), { "base_environ", test_base_environ, TT_FORK, NULL, NULL }, BASIC(event_base_new, TT_FORK|TT_NEED_SOCKETPAIR), BASIC(free_active_base, TT_FORK|TT_NEED_SOCKETPAIR), BASIC(manipulate_active_events, TT_FORK|TT_NEED_BASE), BASIC(event_new_selfarg, TT_FORK|TT_NEED_BASE), BASIC(event_assign_selfarg, TT_FORK|TT_NEED_BASE), BASIC(event_base_get_num_events, TT_FORK|TT_NEED_BASE), BASIC(event_base_get_max_events, TT_FORK|TT_NEED_BASE), BASIC(evmap_invalid_slots, TT_FORK|TT_NEED_BASE), BASIC(bad_assign, TT_FORK|TT_NEED_BASE|TT_NO_LOGS), BASIC(bad_reentrant, TT_FORK|TT_NEED_BASE|TT_NO_LOGS), BASIC(active_later, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR|TT_RETRIABLE), BASIC(event_remove_timeout, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR), /* These are still using the old API */ LEGACY(persistent_timeout, TT_FORK|TT_NEED_BASE), { "persistent_timeout_jump", test_persistent_timeout_jump, TT_FORK|TT_NEED_BASE, &basic_setup, NULL }, { "persistent_active_timeout", test_persistent_active_timeout, TT_FORK|TT_NEED_BASE|TT_RETRIABLE, &basic_setup, NULL }, LEGACY(priorities, TT_FORK|TT_NEED_BASE), BASIC(priority_active_inversion, TT_FORK|TT_NEED_BASE), { "common_timeout", test_common_timeout, TT_FORK|TT_NEED_BASE, &basic_setup, NULL }, /* These legacy tests may not all need all of these flags. */ LEGACY(simpleread, TT_ISOLATED), LEGACY(simpleread_multiple, TT_ISOLATED), LEGACY(simplewrite, TT_ISOLATED), { "simpleclose_rw", test_simpleclose_rw, TT_FORK, &basic_setup, NULL }, /* simpleclose */ { "simpleclose_close", test_simpleclose, TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_BASE, &basic_setup, (void *)"close" }, { "simpleclose_shutdown", test_simpleclose, TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_BASE, &basic_setup, (void *)"shutdown" }, /* simpleclose_*_persist */ { "simpleclose_close_persist", test_simpleclose, TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_BASE, &basic_setup, (void *)"close_persist" }, { "simpleclose_shutdown_persist", test_simpleclose, TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_BASE, &basic_setup, (void *)"shutdown_persist" }, /* simpleclose_*_et */ { "simpleclose_close_et", test_simpleclose, TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_BASE, &basic_setup, (void *)"close_ET" }, { "simpleclose_shutdown_et", test_simpleclose, TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_BASE, &basic_setup, (void *)"shutdown_ET" }, /* simpleclose_*_persist_et */ { "simpleclose_close_persist_et", test_simpleclose, TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_BASE, &basic_setup, (void *)"close_persist_ET" }, { "simpleclose_shutdown_persist_et", test_simpleclose, TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_BASE, &basic_setup, (void *)"shutdown_persist_ET" }, LEGACY(multiple, TT_ISOLATED), LEGACY(persistent, TT_ISOLATED), LEGACY(combined, TT_ISOLATED), LEGACY(simpletimeout, TT_ISOLATED), LEGACY(loopbreak, TT_ISOLATED), LEGACY(loopexit, TT_ISOLATED), LEGACY(loopexit_multiple, TT_ISOLATED), { "nonpersist_readd", test_nonpersist_readd, TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_BASE, &basic_setup, NULL }, LEGACY(multiple_events_for_same_fd, TT_ISOLATED), LEGACY(want_only_once, TT_ISOLATED), { "event_once", test_event_once, TT_ISOLATED, &basic_setup, NULL }, { "event_once_never", test_event_once_never, TT_ISOLATED, &basic_setup, NULL }, { "event_pending", test_event_pending, TT_ISOLATED, &basic_setup, NULL }, { "event_closed_fd_poll", test_event_closed_fd_poll, TT_ISOLATED, &basic_setup, NULL }, #ifndef _WIN32 { "dup_fd", test_dup_fd, TT_ISOLATED, &basic_setup, NULL }, #endif { "mm_functions", test_mm_functions, TT_FORK, NULL, NULL }, { "many_events", test_many_events, TT_ISOLATED, &basic_setup, NULL }, { "many_events_slow_add", test_many_events, TT_ISOLATED, &basic_setup, (void*)1 }, { "struct_event_size", test_struct_event_size, 0, NULL, NULL }, BASIC(get_assignment, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR), BASIC(event_foreach, TT_FORK|TT_NEED_BASE), { "gettimeofday_cached", test_gettimeofday_cached, TT_FORK, &basic_setup, (void*)"" }, { "gettimeofday_cached_sleep", test_gettimeofday_cached, TT_FORK, &basic_setup, (void*)"sleep" }, { "gettimeofday_cached_reset", test_gettimeofday_cached, TT_FORK, &basic_setup, (void*)"sleep reset" }, { "gettimeofday_cached_disabled", test_gettimeofday_cached, TT_FORK, &basic_setup, (void*)"sleep disable" }, { "gettimeofday_cached_disabled_nosleep", test_gettimeofday_cached, TT_FORK, &basic_setup, (void*)"disable" }, BASIC(active_by_fd, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR), #ifndef _WIN32 LEGACY(fork, TT_ISOLATED), #endif #ifdef EVTHREAD_USE_PTHREADS_IMPLEMENTED LEGACY(del_wait, TT_ISOLATED|TT_NEED_THREADS|TT_RETRIABLE), LEGACY(del_notify, TT_ISOLATED|TT_NEED_THREADS), #endif END_OF_TESTCASES }; struct testcase_t evtag_testcases[] = { { "int", evtag_int_test, TT_FORK, NULL, NULL }, { "fuzz", evtag_fuzz, TT_FORK, NULL, NULL }, { "encoding", evtag_tag_encoding, TT_FORK, NULL, NULL }, { "peek", evtag_test_peek, 0, NULL, NULL }, END_OF_TESTCASES }; struct testcase_t signal_testcases[] = { #ifndef _WIN32 LEGACY(simplestsignal, TT_ISOLATED), LEGACY(simplesignal, TT_ISOLATED), LEGACY(multiplesignal, TT_ISOLATED), LEGACY(immediatesignal, TT_ISOLATED), LEGACY(signal_dealloc, TT_ISOLATED), LEGACY(signal_pipeloss, TT_ISOLATED), LEGACY(signal_switchbase, TT_ISOLATED|TT_NO_LOGS), LEGACY(signal_restore, TT_ISOLATED), LEGACY(signal_assert, TT_ISOLATED), LEGACY(signal_while_processing, TT_ISOLATED), #endif END_OF_TESTCASES }; lldpd-1.0.18/libevent/test/regress_iocp.c0000644000076400001440000002144114111362571017560 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include "event2/event.h" #include "event2/thread.h" #include "event2/buffer.h" #include "event2/buffer_compat.h" #include "event2/bufferevent.h" #include #include #include "regress.h" #include "tinytest.h" #include "tinytest_macros.h" #define WIN32_LEAN_AND_MEAN #include #include #undef WIN32_LEAN_AND_MEAN #include "iocp-internal.h" #include "evbuffer-internal.h" #include "evthread-internal.h" /* FIXME remove these ones */ #include #include "event2/event_struct.h" #include "event-internal.h" #define MAX_CALLS 16 static void *count_lock = NULL, *count_cond = NULL; static int count = 0; static void count_init(void) { EVTHREAD_ALLOC_LOCK(count_lock, 0); EVTHREAD_ALLOC_COND(count_cond); tt_assert(count_lock); tt_assert(count_cond); end: ; } static void count_free(void) { EVTHREAD_FREE_LOCK(count_lock, 0); EVTHREAD_FREE_COND(count_cond); } static void count_incr(void) { EVLOCK_LOCK(count_lock, 0); count++; EVTHREAD_COND_BROADCAST(count_cond); EVLOCK_UNLOCK(count_lock, 0); } static int count_wait_for(int i, int ms) { struct timeval tv; DWORD elapsed; int rv = -1; EVLOCK_LOCK(count_lock, 0); while (ms > 0 && count != i) { tv.tv_sec = 0; tv.tv_usec = ms * 1000; elapsed = GetTickCount(); EVTHREAD_COND_WAIT_TIMED(count_cond, count_lock, &tv); elapsed = GetTickCount() - elapsed; ms -= elapsed; } if (count == i) rv = 0; EVLOCK_UNLOCK(count_lock, 0); return rv; } struct dummy_overlapped { struct event_overlapped eo; void *lock; int call_count; uintptr_t keys[MAX_CALLS]; ev_ssize_t sizes[MAX_CALLS]; }; static void dummy_cb(struct event_overlapped *o, uintptr_t key, ev_ssize_t n, int ok) { struct dummy_overlapped *d_o = EVUTIL_UPCAST(o, struct dummy_overlapped, eo); EVLOCK_LOCK(d_o->lock, 0); if (d_o->call_count < MAX_CALLS) { d_o->keys[d_o->call_count] = key; d_o->sizes[d_o->call_count] = n; } d_o->call_count++; EVLOCK_UNLOCK(d_o->lock, 0); count_incr(); } static int pair_is_in(struct dummy_overlapped *o, uintptr_t key, ev_ssize_t n) { int i; int result = 0; EVLOCK_LOCK(o->lock, 0); for (i=0; i < o->call_count; ++i) { if (o->keys[i] == key && o->sizes[i] == n) { result = 1; break; } } EVLOCK_UNLOCK(o->lock, 0); return result; } static void test_iocp_port(void *ptr) { struct event_iocp_port *port = NULL; struct dummy_overlapped o1, o2; memset(&o1, 0, sizeof(o1)); memset(&o2, 0, sizeof(o2)); count_init(); EVTHREAD_ALLOC_LOCK(o1.lock, EVTHREAD_LOCKTYPE_RECURSIVE); EVTHREAD_ALLOC_LOCK(o2.lock, EVTHREAD_LOCKTYPE_RECURSIVE); tt_assert(o1.lock); tt_assert(o2.lock); event_overlapped_init_(&o1.eo, dummy_cb); event_overlapped_init_(&o2.eo, dummy_cb); port = event_iocp_port_launch_(0); tt_assert(port); tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 10, 100)); tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 20, 200)); tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 11, 101)); tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 21, 201)); tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 12, 102)); tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 22, 202)); tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 13, 103)); tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 23, 203)); tt_int_op(count_wait_for(8, 2000), ==, 0); tt_want(!event_iocp_shutdown_(port, 2000)); tt_int_op(o1.call_count, ==, 4); tt_int_op(o2.call_count, ==, 4); tt_want(pair_is_in(&o1, 10, 100)); tt_want(pair_is_in(&o1, 11, 101)); tt_want(pair_is_in(&o1, 12, 102)); tt_want(pair_is_in(&o1, 13, 103)); tt_want(pair_is_in(&o2, 20, 200)); tt_want(pair_is_in(&o2, 21, 201)); tt_want(pair_is_in(&o2, 22, 202)); tt_want(pair_is_in(&o2, 23, 203)); end: EVTHREAD_FREE_LOCK(o1.lock, EVTHREAD_LOCKTYPE_RECURSIVE); EVTHREAD_FREE_LOCK(o2.lock, EVTHREAD_LOCKTYPE_RECURSIVE); count_free(); } static struct evbuffer *rbuf = NULL, *wbuf = NULL; static void read_complete(struct event_overlapped *eo, uintptr_t key, ev_ssize_t nbytes, int ok) { tt_assert(ok); evbuffer_commit_read_(rbuf, nbytes); count_incr(); end: ; } static void write_complete(struct event_overlapped *eo, uintptr_t key, ev_ssize_t nbytes, int ok) { tt_assert(ok); evbuffer_commit_write_(wbuf, nbytes); count_incr(); end: ; } static void test_iocp_evbuffer(void *ptr) { struct event_overlapped rol, wol; struct basic_test_data *data = ptr; struct event_iocp_port *port = NULL; struct evbuffer *buf=NULL; struct evbuffer_chain *chain; char junk[1024]; int i; count_init(); event_overlapped_init_(&rol, read_complete); event_overlapped_init_(&wol, write_complete); for (i = 0; i < (int)sizeof(junk); ++i) junk[i] = (char)(i); rbuf = evbuffer_overlapped_new_(data->pair[0]); wbuf = evbuffer_overlapped_new_(data->pair[1]); evbuffer_enable_locking(rbuf, NULL); evbuffer_enable_locking(wbuf, NULL); port = event_iocp_port_launch_(0); tt_assert(port); tt_assert(rbuf); tt_assert(wbuf); tt_assert(!event_iocp_port_associate_(port, data->pair[0], 100)); tt_assert(!event_iocp_port_associate_(port, data->pair[1], 100)); for (i=0;i<10;++i) evbuffer_add(wbuf, junk, sizeof(junk)); buf = evbuffer_new(); tt_assert(buf != NULL); evbuffer_add(rbuf, junk, sizeof(junk)); tt_assert(!evbuffer_launch_read_(rbuf, 2048, &rol)); evbuffer_add_buffer(buf, rbuf); tt_int_op(evbuffer_get_length(buf), ==, sizeof(junk)); for (chain = buf->first; chain; chain = chain->next) tt_int_op(chain->flags & EVBUFFER_MEM_PINNED_ANY, ==, 0); tt_assert(!evbuffer_get_length(rbuf)); tt_assert(!evbuffer_launch_write_(wbuf, 512, &wol)); tt_int_op(count_wait_for(2, 2000), ==, 0); tt_int_op(evbuffer_get_length(rbuf),==,512); /* FIXME Actually test some stuff here. */ tt_want(!event_iocp_shutdown_(port, 2000)); end: count_free(); evbuffer_free(rbuf); evbuffer_free(wbuf); if (buf) evbuffer_free(buf); } static int got_readcb = 0; static void async_readcb(struct bufferevent *bev, void *arg) { /* Disabling read should cause the loop to quit */ bufferevent_disable(bev, EV_READ); got_readcb++; } static void test_iocp_bufferevent_async(void *ptr) { struct basic_test_data *data = ptr; struct event_iocp_port *port = NULL; struct bufferevent *bea1=NULL, *bea2=NULL; char buf[128]; size_t n; event_base_start_iocp_(data->base, 0); port = event_base_get_iocp_(data->base); tt_assert(port); bea1 = bufferevent_async_new_(data->base, data->pair[0], BEV_OPT_DEFER_CALLBACKS); bea2 = bufferevent_async_new_(data->base, data->pair[1], BEV_OPT_DEFER_CALLBACKS); tt_assert(bea1); tt_assert(bea2); bufferevent_setcb(bea2, async_readcb, NULL, NULL, NULL); bufferevent_enable(bea1, EV_WRITE); bufferevent_enable(bea2, EV_READ); bufferevent_write(bea1, "Hello world", strlen("Hello world")+1); event_base_dispatch(data->base); tt_int_op(got_readcb, ==, 1); n = bufferevent_read(bea2, buf, sizeof(buf)-1); buf[n]='\0'; tt_str_op(buf, ==, "Hello world"); end: bufferevent_free(bea1); bufferevent_free(bea2); } struct testcase_t iocp_testcases[] = { { "port", test_iocp_port, TT_FORK|TT_NEED_THREADS, &basic_setup, NULL }, { "evbuffer", test_iocp_evbuffer, TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_THREADS, &basic_setup, NULL }, { "bufferevent_async", test_iocp_bufferevent_async, TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_THREADS|TT_NEED_BASE, &basic_setup, NULL }, END_OF_TESTCASES }; lldpd-1.0.18/libevent/test/Makefile.nmake0000644000076400001440000000474114111362571017466 0ustar00bernatusers# WATCH OUT! This makefile is a work in progress. -*- makefile -*- !IFDEF OPENSSL_DIR SSL_CFLAGS=/I$(OPENSSL_DIR)\include /DEVENT__HAVE_OPENSSL SSL_OBJS=regress_ssl.obj SSL_LIBS=..\libevent_openssl.lib $(OPENSSL_DIR)\lib\libeay32.lib $(OPENSSL_DIR)\lib\ssleay32.lib gdi32.lib User32.lib !ELSE SSL_CFLAGS= SSL_OBJS= SSL_LIBS= !ENDIF CFLAGS=/I.. /I../WIN32-Code /I../WIN32-Code/nmake /I../include /I../compat /DHAVE_CONFIG_H /DTINYTEST_LOCAL $(SSL_CFLAGS) CFLAGS=$(CFLAGS) /Ox /W3 /wd4996 /nologo REGRESS_OBJS=regress.obj regress_buffer.obj regress_http.obj regress_dns.obj \ regress_testutils.obj \ regress_rpc.obj regress.gen.obj \ regress_et.obj regress_bufferevent.obj \ regress_listener.obj regress_util.obj tinytest.obj \ regress_main.obj regress_minheap.obj regress_iocp.obj \ regress_thread.obj regress_finalize.obj $(SSL_OBJS) OTHER_OBJS=test-init.obj test-eof.obj test-closed.obj test-weof.obj test-time.obj \ bench.obj bench_cascade.obj bench_http.obj bench_httpclient.obj \ test-changelist.obj \ print-winsock-errors.obj PROGRAMS=regress.exe \ test-init.exe test-eof.exe test-closed.exe test-weof.exe test-time.exe \ test-changelist.exe \ print-winsock-errors.exe # Disabled for now: # bench.exe bench_cascade.exe bench_http.exe bench_httpclient.exe LIBS=..\libevent.lib ws2_32.lib shell32.lib advapi32.lib all: $(PROGRAMS) regress.exe: $(REGRESS_OBJS) $(CC) $(CFLAGS) $(LIBS) $(SSL_LIBS) $(REGRESS_OBJS) test-init.exe: test-init.obj $(CC) $(CFLAGS) $(LIBS) test-init.obj test-eof.exe: test-eof.obj $(CC) $(CFLAGS) $(LIBS) test-eof.obj test-closed.exe: test-closed.obj $(CC) $(CFLAGS) $(LIBS) test-closed.obj test-changelist.exe: test-changelist.obj $(CC) $(CFLAGS) $(LIBS) test-changelist.obj test-weof.exe: test-weof.obj $(CC) $(CFLAGS) $(LIBS) test-weof.obj test-time.exe: test-time.obj $(CC) $(CFLAGS) $(LIBS) test-time.obj print-winsock-errors.exe: print-winsock-errors.obj $(CC) $(CFLAGS) $(LIBS) print-winsock-errors.obj bench.exe: bench.obj $(CC) $(CFLAGS) $(LIBS) bench.obj bench_cascade.exe: bench_cascade.obj $(CC) $(CFLAGS) $(LIBS) bench_cascade.obj bench_http.exe: bench_http.obj $(CC) $(CFLAGS) $(LIBS) bench_http.obj bench_httpclient.exe: bench_httpclient.obj $(CC) $(CFLAGS) $(LIBS) bench_httpclient.obj regress.gen.c regress.gen.h: regress.rpc ../event_rpcgen.py echo // > regress.gen.c echo #define NO_PYTHON_EXISTS > regress.gen.h -python ..\event_rpcgen.py regress.rpc clean: -del $(REGRESS_OBJS) -del $(OTHER_OBJS) -del $(PROGRAMS) lldpd-1.0.18/libevent/test/bench_http.c0000644000076400001440000001170614111362571017215 0ustar00bernatusers/* * Copyright 2008-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #include #include #ifdef _WIN32 #include #else #include #include #include #include #endif #include #include #include #include #include #include #include "event2/event.h" #include "event2/buffer.h" #include "event2/util.h" #include "event2/http.h" #include "event2/thread.h" static void http_basic_cb(struct evhttp_request *req, void *arg); static char *content; static size_t content_len = 0; static void http_basic_cb(struct evhttp_request *req, void *arg) { struct evbuffer *evb = evbuffer_new(); evbuffer_add(evb, content, content_len); /* allow sending of an empty reply */ evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb); evbuffer_free(evb); } #if LIBEVENT_VERSION_NUMBER >= 0x02000200 static void http_ref_cb(struct evhttp_request *req, void *arg) { struct evbuffer *evb = evbuffer_new(); evbuffer_add_reference(evb, content, content_len, NULL, NULL); /* allow sending of an empty reply */ evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb); evbuffer_free(evb); } #endif int main(int argc, char **argv) { struct event_config *cfg = event_config_new(); struct event_base *base; struct evhttp *http; int i; int c; int use_iocp = 0; ev_uint16_t port = 8080; char *endptr = NULL; #ifdef _WIN32 WSADATA WSAData; WSAStartup(0x101, &WSAData); #else if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) return (1); #endif setbuf(stdout, NULL); setbuf(stderr, NULL); for (i = 1; i < argc; ++i) { if (*argv[i] != '-') continue; c = argv[i][1]; if ((c == 'p' || c == 'l') && i + 1 >= argc) { fprintf(stderr, "-%c requires argument.\n", c); exit(1); } switch (c) { case 'p': if (i+1 >= argc || !argv[i+1]) { fprintf(stderr, "Missing port\n"); exit(1); } port = (int)strtol(argv[i+1], &endptr, 10); if (*endptr != '\0') { fprintf(stderr, "Bad port\n"); exit(1); } break; case 'l': if (i+1 >= argc || !argv[i+1]) { fprintf(stderr, "Missing content length\n"); exit(1); } content_len = (size_t)strtol(argv[i+1], &endptr, 10); if (*endptr != '\0' || content_len == 0) { fprintf(stderr, "Bad content length\n"); exit(1); } break; #ifdef _WIN32 case 'i': use_iocp = 1; #ifdef EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED evthread_use_windows_threads(); #endif event_config_set_flag(cfg,EVENT_BASE_FLAG_STARTUP_IOCP); break; #endif default: fprintf(stderr, "Illegal argument \"%c\"\n", c); exit(1); } } base = event_base_new_with_config(cfg); if (!base) { fprintf(stderr, "creating event_base failed. Exiting.\n"); return 1; } http = evhttp_new(base); content = malloc(content_len); if (content == NULL) { fprintf(stderr, "Cannot allocate content\n"); exit(1); } else { int i = 0; for (i = 0; i < (int)content_len; ++i) content[i] = (i & 255); } evhttp_set_cb(http, "/ind", http_basic_cb, NULL); fprintf(stderr, "/ind - basic content (memory copy)\n"); evhttp_set_cb(http, "/ref", http_ref_cb, NULL); fprintf(stderr, "/ref - basic content (reference)\n"); fprintf(stderr, "Serving %d bytes on port %d using %s\n", (int)content_len, port, use_iocp? "IOCP" : event_base_get_method(base)); evhttp_bind_socket(http, "0.0.0.0", port); #ifdef _WIN32 if (use_iocp) { struct timeval tv={99999999,0}; event_base_loopexit(base, &tv); } #endif event_base_dispatch(base); #ifdef _WIN32 WSACleanup(); #endif /* NOTREACHED */ return (0); } lldpd-1.0.18/libevent/test/tinytest_macros.h0000644000076400001440000001726614111362571020342 0ustar00bernatusers/* tinytest_macros.h -- Copyright 2009-2012 Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef TINYTEST_MACROS_H_INCLUDED_ #define TINYTEST_MACROS_H_INCLUDED_ /* Helpers for defining statement-like macros */ #define TT_STMT_BEGIN do { #define TT_STMT_END } while (0) /* Redefine this if your test functions want to abort with something besides * "goto end;" */ #ifndef TT_EXIT_TEST_FUNCTION #define TT_EXIT_TEST_FUNCTION TT_STMT_BEGIN goto end; TT_STMT_END #endif /* Redefine this if you want to note success/failure in some different way. */ #ifndef TT_DECLARE #define TT_DECLARE(prefix, args) \ TT_STMT_BEGIN \ printf("\n %s %s:%d: ",prefix,__FILE__,__LINE__); \ printf args ; \ TT_STMT_END #endif /* Announce a failure. Args are parenthesized printf args. */ #define TT_GRIPE(args) TT_DECLARE("FAIL", args) /* Announce a non-failure if we're verbose. */ #define TT_BLATHER(args) \ TT_STMT_BEGIN \ if (tinytest_get_verbosity_()>1) TT_DECLARE(" OK", args); \ TT_STMT_END #define TT_DIE(args) \ TT_STMT_BEGIN \ tinytest_set_test_failed_(); \ TT_GRIPE(args); \ TT_EXIT_TEST_FUNCTION; \ TT_STMT_END #define TT_FAIL(args) \ TT_STMT_BEGIN \ tinytest_set_test_failed_(); \ TT_GRIPE(args); \ TT_STMT_END /* Fail and abort the current test for the reason in msg */ #define tt_abort_printf(msg) TT_DIE(msg) #define tt_abort_perror(op) TT_DIE(("%s: %s [%d]",(op),strerror(errno), errno)) #define tt_abort_msg(msg) TT_DIE(("%s", msg)) #define tt_abort() TT_DIE(("%s", "(Failed.)")) /* Fail but do not abort the current test for the reason in msg. */ #define tt_failprint_f(msg) TT_FAIL(msg) #define tt_fail_perror(op) TT_FAIL(("%s: %s [%d]",(op),strerror(errno), errno)) #define tt_fail_msg(msg) TT_FAIL(("%s", msg)) #define tt_fail() TT_FAIL(("%s", "(Failed.)")) /* End the current test, and indicate we are skipping it. */ #define tt_skip() \ TT_STMT_BEGIN \ tinytest_set_test_skipped_(); \ TT_EXIT_TEST_FUNCTION; \ TT_STMT_END #define tt_want_(b, msg, fail) \ TT_STMT_BEGIN \ if (!(b)) { \ tinytest_set_test_failed_(); \ TT_GRIPE(("%s",msg)); \ fail; \ } else { \ TT_BLATHER(("%s",msg)); \ } \ TT_STMT_END /* Assert b, but do not stop the test if b fails. Log msg on failure. */ #define tt_want_msg(b, msg) \ tt_want_(b, msg, ); /* Assert b and stop the test if b fails. Log msg on failure. */ #define tt_assert_msg(b, msg) \ tt_want_(b, msg, TT_EXIT_TEST_FUNCTION); /* Assert b, but do not stop the test if b fails. */ #define tt_want(b) tt_want_msg( (b), "want("#b")") /* Assert b, and stop the test if b fails. */ #define tt_assert(b) tt_assert_msg((b), "assert("#b")") #define tt_assert_test_fmt_type(a,b,str_test,type,test,printf_type,printf_fmt, \ setup_block,cleanup_block,die_on_fail) \ TT_STMT_BEGIN \ type val1_ = (type)(a); \ type val2_ = (type)(b); \ int tt_status_ = (test); \ if (!tt_status_ || tinytest_get_verbosity_()>1) { \ printf_type print_; \ printf_type print1_; \ printf_type print2_; \ type value_ = val1_; \ setup_block; \ print1_ = print_; \ value_ = val2_; \ setup_block; \ print2_ = print_; \ TT_DECLARE(tt_status_?" OK":"FAIL", \ ("assert(%s): "printf_fmt" vs "printf_fmt, \ str_test, print1_, print2_)); \ print_ = print1_; \ cleanup_block; \ print_ = print2_; \ cleanup_block; \ if (!tt_status_) { \ tinytest_set_test_failed_(); \ die_on_fail ; \ } \ } \ TT_STMT_END #define tt_assert_test_type(a,b,str_test,type,test,fmt,die_on_fail) \ tt_assert_test_fmt_type(a,b,str_test,type,test,type,fmt, \ {print_=value_;},{},die_on_fail) #define tt_assert_test_type_opt(a,b,str_test,type,test,fmt,die_on_fail) \ tt_assert_test_fmt_type(a,b,str_test,type,test,type,fmt, \ {print_=value_?value_:"";},{},die_on_fail) /* Helper: assert that a op b, when cast to type. Format the values with * printf format fmt on failure. */ #define tt_assert_op_type(a,op,b,type,fmt) \ tt_assert_test_type(a,b,#a" "#op" "#b,type,(val1_ op val2_),fmt, \ TT_EXIT_TEST_FUNCTION) #define tt_int_op(a,op,b) \ tt_assert_test_type(a,b,#a" "#op" "#b,long,(val1_ op val2_), \ "%ld",TT_EXIT_TEST_FUNCTION) /** To compare SOCKET(windows)/fd */ #define tt_fd_op(a,op,b) do { \ int _a = (int)(a); \ int _b = (int)(b); \ tt_assert_test_type(_a,_b,#a" "#op" "#b,long,(val1_ op val2_), \ "%ld",TT_EXIT_TEST_FUNCTION); \ } while (0) #define tt_uint_op(a,op,b) \ tt_assert_test_type(a,b,#a" "#op" "#b,unsigned long, \ (val1_ op val2_),"%lu",TT_EXIT_TEST_FUNCTION) #define tt_ptr_op(a,op,b) \ tt_assert_test_type(a,b,#a" "#op" "#b,const void*, \ (val1_ op val2_),"%p",TT_EXIT_TEST_FUNCTION) /** XXX: have some issues with printing this non-NUL terminated strings */ #define tt_nstr_op(n,a,op,b) \ tt_assert_test_type_opt(a,b,#a" "#op" "#b,const char *, \ (val1_ && val2_ && strncmp(val1_,val2_,(n)) op 0),"<%s>", \ TT_EXIT_TEST_FUNCTION) #define tt_str_op(a,op,b) \ tt_assert_test_type_opt(a,b,#a" "#op" "#b,const char *, \ (val1_ && val2_ && strcmp(val1_,val2_) op 0),"<%s>", \ TT_EXIT_TEST_FUNCTION) #define tt_mem_op(expr1, op, expr2, len) \ tt_assert_test_fmt_type(expr1,expr2,#expr1" "#op" "#expr2, \ const void *, \ (val1_ && val2_ && memcmp(val1_, val2_, len) op 0), \ char *, "%s", \ { print_ = tinytest_format_hex_(value_, (len)); }, \ { if (print_) free(print_); }, \ TT_EXIT_TEST_FUNCTION \ ); #define tt_want_int_op(a,op,b) \ tt_assert_test_type(a,b,#a" "#op" "#b,long,(val1_ op val2_),"%ld",(void)0) #define tt_want_uint_op(a,op,b) \ tt_assert_test_type(a,b,#a" "#op" "#b,unsigned long, \ (val1_ op val2_),"%lu",(void)0) #define tt_want_ptr_op(a,op,b) \ tt_assert_test_type(a,b,#a" "#op" "#b,const void*, \ (val1_ op val2_),"%p",(void)0) #define tt_want_str_op(a,op,b) \ tt_assert_test_type(a,b,#a" "#op" "#b,const char *, \ (strcmp(val1_,val2_) op 0),"<%s>",(void)0) #endif lldpd-1.0.18/libevent/test/test-changelist.c0000644000076400001440000001342314111362571020173 0ustar00bernatusers/* * Copyright (c) 2010-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #ifdef _WIN32 #include #include #else #include #endif #include #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #ifdef EVENT__HAVE_SYS_SOCKET_H #include #endif #include #include #include #include #include #include "event2/event.h" #include "event2/util.h" #include struct cpu_usage_timer { #ifdef _WIN32 HANDLE thread; FILETIME usertimeBegin; FILETIME kerneltimeBegin; #else clock_t ticksBegin; #endif struct timeval timeBegin; }; static void start_cpu_usage_timer(struct cpu_usage_timer *timer) { #ifdef _WIN32 int r; FILETIME createtime, exittime; timer->thread = GetCurrentThread(); r = GetThreadTimes(timer->thread, &createtime, &exittime, &timer->usertimeBegin, &timer->kerneltimeBegin); if (r==0) printf("GetThreadTimes failed."); #else timer->ticksBegin = clock(); #endif evutil_gettimeofday(&timer->timeBegin, NULL); } #ifdef _WIN32 static ev_int64_t filetime_to_100nsec(const FILETIME *ft) { /* Number of 100-nanosecond units */ ev_int64_t n = ft->dwHighDateTime; n <<= 32; n += ft->dwLowDateTime; return n; } static double filetime_diff(const FILETIME *ftStart, const FILETIME *ftEnd) { ev_int64_t s, e, diff; double r; s = filetime_to_100nsec(ftStart); e = filetime_to_100nsec(ftEnd); diff = e - s; r = (double) diff; return r / 1.0e7; } #endif static void get_cpu_usage(struct cpu_usage_timer *timer, double *secElapsedOut, double *secUsedOut, double *usageOut) { #ifdef _WIN32 double usertime_seconds, kerneltime_seconds; FILETIME createtime, exittime, usertimeEnd, kerneltimeEnd; int r; #else clock_t ticksEnd; #endif struct timeval timeEnd, timeDiff; double secondsPassed, secondsUsed; #ifdef _WIN32 r = GetThreadTimes(timer->thread, &createtime, &exittime, &usertimeEnd, &kerneltimeEnd); if (r==0) printf("GetThreadTimes failed."); usertime_seconds = filetime_diff(&timer->usertimeBegin, &usertimeEnd); kerneltime_seconds = filetime_diff(&timer->kerneltimeBegin, &kerneltimeEnd); secondsUsed = kerneltime_seconds + usertime_seconds; #else ticksEnd = clock(); secondsUsed = (ticksEnd - timer->ticksBegin) / (double)CLOCKS_PER_SEC; #endif evutil_gettimeofday(&timeEnd, NULL); evutil_timersub(&timeEnd, &timer->timeBegin, &timeDiff); secondsPassed = timeDiff.tv_sec + (timeDiff.tv_usec / 1.0e6); *secElapsedOut = secondsPassed; *secUsedOut = secondsUsed; *usageOut = secondsUsed / secondsPassed; } static void write_cb(evutil_socket_t fd, short event, void *arg) { printf("write callback. should only see this once\n"); /* got what we want remove the event */ event_del(*(struct event**)arg); /* opps changed my mind add it back again */ event_add(*(struct event**)arg,NULL); /* not a good day for decisiveness, I really didn't want it after all */ event_del(*(struct event**)arg); } static void timeout_cb(evutil_socket_t fd, short event, void *arg) { printf("timeout fired, time to end test\n"); event_del(*(struct event**)arg); return; } int main(int argc, char **argv) { struct event* ev; struct event* timeout; struct event_base* base; evutil_socket_t pair[2]; struct timeval tv; struct cpu_usage_timer timer; double usage, secPassed, secUsed; #ifdef _WIN32 WORD wVersionRequested; WSADATA wsaData; wVersionRequested = MAKEWORD(2, 2); (void) WSAStartup(wVersionRequested, &wsaData); #endif if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1) return (1); /* Initialize the event library */ if (!(base = event_base_new())) return (1); /* Initialize a timeout to terminate the test */ timeout = evtimer_new(base,timeout_cb,&timeout); /* and watch for writability on one end of the pipe */ ev = event_new(base,pair[1],EV_WRITE | EV_PERSIST, write_cb, &ev); tv.tv_sec = 1; tv.tv_usec = 500*1000; evtimer_add(timeout, &tv); event_add(ev, NULL); start_cpu_usage_timer(&timer); event_base_dispatch(base); event_free(ev); event_free(timeout); event_base_free(base); get_cpu_usage(&timer, &secPassed, &secUsed, &usage); /* attempt to calculate our cpu usage over the test should be virtually nil */ printf("usec used=%d, usec passed=%d, cpu usage=%.2f%%\n", (int)(secUsed*1e6), (int)(secPassed*1e6), usage*100); if (usage > 50.0) /* way too high */ return 1; return 0; } lldpd-1.0.18/libevent/test/regress_finalize.c0000644000076400001440000002346714111362571020441 0ustar00bernatusers/* * Copyright (c) 2013 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "evconfig-private.h" #include "tinytest.h" #include "tinytest_macros.h" #include #include "event2/event.h" #include "event2/util.h" #include "event-internal.h" #include "defer-internal.h" #include "regress.h" #include "regress_thread.h" static void timer_callback(evutil_socket_t fd, short what, void *arg) { int *int_arg = arg; *int_arg += 1; (void)fd; (void)what; } static void simple_callback(struct event_callback *evcb, void *arg) { int *int_arg = arg; *int_arg += 1; (void)evcb; } static void event_finalize_callback_1(struct event *ev, void *arg) { int *int_arg = arg; *int_arg += 100; (void)ev; } static void callback_finalize_callback_1(struct event_callback *evcb, void *arg) { int *int_arg = arg; *int_arg += 100; (void)evcb; } static void test_fin_cb_invoked(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct event *ev; struct event ev2; struct event_callback evcb; int cb_called = 0; int ev_called = 0; const struct timeval ten_sec = {10,0}; event_deferred_cb_init_(&evcb, 0, simple_callback, &cb_called); ev = evtimer_new(base, timer_callback, &ev_called); /* Just finalize them; don't bother adding. */ event_free_finalize(0, ev, event_finalize_callback_1); event_callback_finalize_(base, 0, &evcb, callback_finalize_callback_1); event_base_dispatch(base); tt_int_op(cb_called, ==, 100); tt_int_op(ev_called, ==, 100); ev_called = cb_called = 0; event_base_assert_ok_(base); /* Now try it when they're active. (actually, don't finalize: make * sure activation can happen! */ ev = evtimer_new(base, timer_callback, &ev_called); event_deferred_cb_init_(&evcb, 0, simple_callback, &cb_called); event_active(ev, EV_TIMEOUT, 1); event_callback_activate_(base, &evcb); event_base_dispatch(base); tt_int_op(cb_called, ==, 1); tt_int_op(ev_called, ==, 1); ev_called = cb_called = 0; event_base_assert_ok_(base); /* Great, it worked. Now activate and finalize and make sure only * finalizing happens. */ event_active(ev, EV_TIMEOUT, 1); event_callback_activate_(base, &evcb); event_free_finalize(0, ev, event_finalize_callback_1); event_callback_finalize_(base, 0, &evcb, callback_finalize_callback_1); event_base_dispatch(base); tt_int_op(cb_called, ==, 100); tt_int_op(ev_called, ==, 100); ev_called = 0; event_base_assert_ok_(base); /* Okay, now add but don't have it become active, and make sure *that* * works. */ ev = evtimer_new(base, timer_callback, &ev_called); event_add(ev, &ten_sec); event_free_finalize(0, ev, event_finalize_callback_1); event_base_dispatch(base); tt_int_op(ev_called, ==, 100); ev_called = 0; event_base_assert_ok_(base); /* Now try adding and deleting after finalizing. */ ev = evtimer_new(base, timer_callback, &ev_called); evtimer_assign(&ev2, base, timer_callback, &ev_called); event_add(ev, &ten_sec); event_free_finalize(0, ev, event_finalize_callback_1); event_finalize(0, &ev2, event_finalize_callback_1); event_add(&ev2, &ten_sec); event_del(ev); event_active(&ev2, EV_TIMEOUT, 1); event_base_dispatch(base); tt_int_op(ev_called, ==, 200); event_base_assert_ok_(base); end: ; } #ifndef EVENT__DISABLE_MM_REPLACEMENT static void * tfff_malloc(size_t n) { return malloc(n); } static void *tfff_p1=NULL, *tfff_p2=NULL; static int tfff_p1_freed=0, tfff_p2_freed=0; static void tfff_free(void *p) { if (! p) return; if (p == tfff_p1) ++tfff_p1_freed; if (p == tfff_p2) ++tfff_p2_freed; free(p); } static void * tfff_realloc(void *p, size_t sz) { return realloc(p,sz); } #endif static void test_fin_free_finalize(void *arg) { #ifdef EVENT__DISABLE_MM_REPLACEMENT tinytest_set_test_skipped_(); #else struct event_base *base = NULL; struct event *ev, *ev2; int ev_called = 0; int ev2_called = 0; (void)arg; event_set_mem_functions(tfff_malloc, tfff_realloc, tfff_free); base = event_base_new(); tt_assert(base); ev = evtimer_new(base, timer_callback, &ev_called); ev2 = evtimer_new(base, timer_callback, &ev2_called); tfff_p1 = ev; tfff_p2 = ev2; event_free_finalize(0, ev, event_finalize_callback_1); event_finalize(0, ev2, event_finalize_callback_1); event_base_dispatch(base); tt_int_op(ev_called, ==, 100); tt_int_op(ev2_called, ==, 100); event_base_assert_ok_(base); tt_int_op(tfff_p1_freed, ==, 1); tt_int_op(tfff_p2_freed, ==, 0); event_free(ev2); end: if (base) event_base_free(base); #endif } /* For test_fin_within_cb */ struct event_and_count { struct event *ev; struct event *ev2; int count; }; static void event_finalize_callback_2(struct event *ev, void *arg) { struct event_and_count *evc = arg; evc->count += 100; event_free(ev); } static void timer_callback_2(evutil_socket_t fd, short what, void *arg) { struct event_and_count *evc = arg; event_finalize(0, evc->ev, event_finalize_callback_2); event_finalize(0, evc->ev2, event_finalize_callback_2); ++ evc->count; (void)fd; (void)what; } static void test_fin_within_cb(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct event_and_count evc1, evc2; evc1.count = evc2.count = 0; evc2.ev2 = evc1.ev = evtimer_new(base, timer_callback_2, &evc1); evc1.ev2 = evc2.ev = evtimer_new(base, timer_callback_2, &evc2); /* Activate both. The first one will have its callback run, which * will finalize both of them, preventing the second one's callback * from running. */ event_active(evc1.ev, EV_TIMEOUT, 1); event_active(evc2.ev, EV_TIMEOUT, 1); event_base_dispatch(base); tt_int_op(evc1.count, ==, 101); tt_int_op(evc2.count, ==, 100); event_base_assert_ok_(base); /* Now try with EV_PERSIST events. */ evc1.count = evc2.count = 0; evc2.ev2 = evc1.ev = event_new(base, -1, EV_PERSIST, timer_callback_2, &evc1); evc1.ev2 = evc2.ev = event_new(base, -1, EV_PERSIST, timer_callback_2, &evc2); event_active(evc1.ev, EV_TIMEOUT, 1); event_active(evc2.ev, EV_TIMEOUT, 1); event_base_dispatch(base); tt_int_op(evc1.count, ==, 101); tt_int_op(evc2.count, ==, 100); event_base_assert_ok_(base); end: ; } static void event_finalize_callback_free(struct event *ev, void *arg) { struct event_base *base = arg; int err; if (base) { err = event_assign(ev, base, -1, EV_TIMEOUT, NULL, NULL); tt_int_op(err, ==, 0); test_ok += 1; } else { free(ev); test_ok += 1; } end: ; } static void test_fin_debug_use_after_free(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct event *ev; tt_ptr_op(ev = event_new(base, -1, EV_TIMEOUT, NULL, base), !=, NULL); tt_int_op(event_add(ev, NULL), ==, 0); tt_int_op(event_finalize(0, ev, event_finalize_callback_free), ==, 0); // Dispatch base to trigger callbacks event_base_dispatch(base); event_base_assert_ok_(base); tt_int_op(test_ok, ==, 1); // Now add again, since we did event_assign in event_finalize_callback_free // This used to fail in event_debug_assert_is_setup_ tt_int_op(event_add(ev, NULL), ==, 0); // Finalize and dispatch again tt_int_op(event_finalize(0, ev, event_finalize_callback_free), ==, 0); event_base_dispatch(base); event_base_assert_ok_(base); tt_int_op(test_ok, ==, 2); end: ; } #if 0 static void timer_callback_3(evutil_socket_t *fd, short what, void *arg) { (void)fd; (void)what; } static void test_fin_many(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct event *ev1, *ev2; struct event_callback evcb1, evcb2; int ev1_count = 0, ev2_count = 0; int evcb1_count = 0, evcb2_count = 0; struct event_callback *array[4]; int n; /* First attempt: call finalize_many with no events running */ ev1 = evtimer_new(base, timer_callback, &ev1_count); ev1 = evtimer_new(base, timer_callback, &ev2_count); event_deferred_cb_init_(&evcb1, 0, simple_callback, &evcb1_called); event_deferred_cb_init_(&evcb2, 0, simple_callback, &evcb2_called); array[0] = &ev1->ev_evcallback; array[1] = &ev2->ev_evcallback; array[2] = &evcb1; array[3] = &evcb2; n = event_callback_finalize_many(base, 4, array, callback_finalize_callback_1); } #endif #define TEST(name, flags) \ { #name, test_fin_##name, (flags), &basic_setup, NULL } struct testcase_t finalize_testcases[] = { TEST(cb_invoked, TT_FORK|TT_NEED_BASE), TEST(free_finalize, TT_FORK), TEST(within_cb, TT_FORK|TT_NEED_BASE), TEST(debug_use_after_free, TT_FORK|TT_NEED_BASE|TT_ENABLE_DEBUG_MODE), // TEST(many, TT_FORK|TT_NEED_BASE), END_OF_TESTCASES }; lldpd-1.0.18/libevent/test/regress_listener.c0000644000076400001440000002330014111362571020447 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "util-internal.h" #ifdef _WIN32 #include #include #endif #include #ifndef _WIN32 #include #include # ifdef _XOPEN_SOURCE_EXTENDED # include # endif #include #endif #ifdef EVENT__HAVE_SYS_RESOURCE_H #include #endif #include #include "event2/listener.h" #include "event2/event.h" #include "event2/util.h" #include "regress.h" #include "tinytest.h" #include "tinytest_macros.h" static void acceptcb(struct evconnlistener *listener, evutil_socket_t fd, struct sockaddr *addr, int socklen, void *arg) { int *ptr = arg; --*ptr; TT_BLATHER(("Got one for %p", ptr)); evutil_closesocket(fd); if (! *ptr) evconnlistener_disable(listener); } static void regress_pick_a_port(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evconnlistener *listener1 = NULL, *listener2 = NULL; struct sockaddr_in sin; int count1 = 2, count2 = 1; struct sockaddr_storage ss1, ss2; struct sockaddr_in *sin1, *sin2; ev_socklen_t slen1 = sizeof(ss1), slen2 = sizeof(ss2); unsigned int flags = LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE|LEV_OPT_CLOSE_ON_EXEC; evutil_socket_t fd1, fd2, fd3; fd1 = fd2 = fd3 = EVUTIL_INVALID_SOCKET; if (data->setup_data && strstr((char*)data->setup_data, "ts")) { flags |= LEV_OPT_THREADSAFE; } memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */ sin.sin_port = 0; /* "You pick!" */ listener1 = evconnlistener_new_bind(base, acceptcb, &count1, flags, -1, (struct sockaddr *)&sin, sizeof(sin)); tt_assert(listener1); listener2 = evconnlistener_new_bind(base, acceptcb, &count2, flags, -1, (struct sockaddr *)&sin, sizeof(sin)); tt_assert(listener2); tt_assert(evconnlistener_get_fd(listener1) != EVUTIL_INVALID_SOCKET); tt_assert(evconnlistener_get_fd(listener2) != EVUTIL_INVALID_SOCKET); tt_assert(getsockname(evconnlistener_get_fd(listener1), (struct sockaddr*)&ss1, &slen1) == 0); tt_assert(getsockname(evconnlistener_get_fd(listener2), (struct sockaddr*)&ss2, &slen2) == 0); tt_int_op(ss1.ss_family, ==, AF_INET); tt_int_op(ss2.ss_family, ==, AF_INET); sin1 = (struct sockaddr_in*)&ss1; sin2 = (struct sockaddr_in*)&ss2; tt_int_op(ntohl(sin1->sin_addr.s_addr), ==, 0x7f000001); tt_int_op(ntohl(sin2->sin_addr.s_addr), ==, 0x7f000001); tt_int_op(sin1->sin_port, !=, sin2->sin_port); tt_ptr_op(evconnlistener_get_base(listener1), ==, base); tt_ptr_op(evconnlistener_get_base(listener2), ==, base); fd1 = fd2 = fd3 = EVUTIL_INVALID_SOCKET; evutil_socket_connect_(&fd1, (struct sockaddr*)&ss1, slen1); evutil_socket_connect_(&fd2, (struct sockaddr*)&ss1, slen1); evutil_socket_connect_(&fd3, (struct sockaddr*)&ss2, slen2); #ifdef _WIN32 Sleep(100); /* XXXX this is a stupid stopgap. */ #endif event_base_dispatch(base); tt_int_op(count1, ==, 0); tt_int_op(count2, ==, 0); end: if (fd1>=0) EVUTIL_CLOSESOCKET(fd1); if (fd2>=0) EVUTIL_CLOSESOCKET(fd2); if (fd3>=0) EVUTIL_CLOSESOCKET(fd3); if (listener1) evconnlistener_free(listener1); if (listener2) evconnlistener_free(listener2); } static void errorcb(struct evconnlistener *lis, void *data_) { int *data = data_; *data = 1000; evconnlistener_disable(lis); } static void regress_listener_error(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evconnlistener *listener = NULL; int count = 1; unsigned int flags = LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE; if (data->setup_data && strstr((char*)data->setup_data, "ts")) { flags |= LEV_OPT_THREADSAFE; } /* send, so that pair[0] will look 'readable'*/ tt_int_op(send(data->pair[1], "hello", 5, 0), >, 0); /* Start a listener with a bogus socket. */ listener = evconnlistener_new(base, acceptcb, &count, flags, 0, data->pair[0]); tt_assert(listener); evconnlistener_set_error_cb(listener, errorcb); tt_assert(listener); event_base_dispatch(base); tt_int_op(count,==,1000); /* set by error cb */ end: if (listener) evconnlistener_free(listener); } static void acceptcb_free(struct evconnlistener *listener, evutil_socket_t fd, struct sockaddr *addr, int socklen, void *arg) { int *ptr = arg; --*ptr; TT_BLATHER(("Got one for %p", ptr)); evutil_closesocket(fd); if (! *ptr) evconnlistener_free(listener); } static void regress_listener_close_accepted_fd(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evconnlistener *listener = NULL; struct sockaddr_in sin; struct sockaddr_storage ss; ev_socklen_t slen = sizeof(ss); int count = 1; unsigned int flags = LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE; evutil_socket_t fd = EVUTIL_INVALID_SOCKET; memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */ sin.sin_port = 0; /* "You pick!" */ /* Start a listener with a bogus socket. */ listener = evconnlistener_new_bind(base, acceptcb_free, &count, flags, -1, (struct sockaddr *)&sin, sizeof(sin)); tt_assert(listener); tt_assert(getsockname(evconnlistener_get_fd(listener), (struct sockaddr*)&ss, &slen) == 0); evutil_socket_connect_(&fd, (struct sockaddr*)&ss, slen); event_base_dispatch(base); end: ; } static void regress_listener_immediate_close(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evconnlistener *listener = NULL; struct sockaddr_in sin; struct sockaddr_storage ss; ev_socklen_t slen = sizeof(ss); int count = 1; unsigned int flags = LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE; evutil_socket_t fd1 = EVUTIL_INVALID_SOCKET, fd2 = EVUTIL_INVALID_SOCKET; memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */ sin.sin_port = 0; /* "You pick!" */ /* Start a listener with a bogus socket. */ listener = evconnlistener_new_bind(base, acceptcb, &count, flags, -1, (struct sockaddr *)&sin, sizeof(sin)); tt_assert(listener); tt_assert(getsockname(evconnlistener_get_fd(listener), (struct sockaddr*)&ss, &slen) == 0); evutil_socket_connect_(&fd1, (struct sockaddr*)&ss, slen); evutil_socket_connect_(&fd2, (struct sockaddr*)&ss, slen); event_base_dispatch(base); tt_int_op(count, ==, 0); end: if (listener) evconnlistener_free(listener); } #ifdef EVENT__HAVE_SETRLIMIT static void regress_listener_error_unlock(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evconnlistener *listener = NULL; unsigned int flags = LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE|LEV_OPT_THREADSAFE; tt_int_op(send(data->pair[1], "hello", 5, 0), >, 0); /* Start a listener with a bogus socket. */ listener = evconnlistener_new(base, acceptcb, NULL, flags, 0, data->pair[0]); tt_assert(listener); /** accept() must errored out with EMFILE */ { struct rlimit rl; rl.rlim_cur = rl.rlim_max = data->pair[1]; if (setrlimit(RLIMIT_NOFILE, &rl) == -1) { TT_DIE(("Can't change RLIMIT_NOFILE")); } } event_base_loop(base, EVLOOP_ONCE); /** with lock debugging, can fail on lock->count assertion */ end: if (listener) evconnlistener_free(listener); } #endif struct testcase_t listener_testcases[] = { { "randport", regress_pick_a_port, TT_FORK|TT_NEED_BASE, &basic_setup, NULL}, { "randport_ts", regress_pick_a_port, TT_FORK|TT_NEED_BASE, &basic_setup, (char*)"ts"}, #ifdef EVENT__HAVE_SETRLIMIT { "error_unlock", regress_listener_error_unlock, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR|TT_NO_LOGS, &basic_setup, NULL}, #endif { "error", regress_listener_error, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, &basic_setup, NULL}, { "error_ts", regress_listener_error, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, &basic_setup, (char*)"ts"}, { "close_accepted_fd", regress_listener_close_accepted_fd, TT_FORK|TT_NEED_BASE, &basic_setup, NULL, }, { "immediate_close", regress_listener_immediate_close, TT_FORK|TT_NEED_BASE, &basic_setup, NULL, }, END_OF_TESTCASES, }; struct testcase_t listener_iocp_testcases[] = { { "randport", regress_pick_a_port, TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup, NULL}, { "error", regress_listener_error, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR|TT_ENABLE_IOCP, &basic_setup, NULL}, END_OF_TESTCASES, }; lldpd-1.0.18/libevent/test/regress_testutils.h0000644000076400001440000000504414111362571020674 0ustar00bernatusers/* * Copyright (c) 2010-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef REGRESS_TESTUTILS_H_INCLUDED_ #define REGRESS_TESTUTILS_H_INCLUDED_ #include "event2/dns.h" struct regress_dns_server_table { const char *q; const char *anstype; const char *ans; int seen; int lower; }; struct evdns_server_port * regress_get_dnsserver(struct event_base *base, ev_uint16_t *portnum, evutil_socket_t *psock, evdns_request_callback_fn_type cb, void *arg); /* Helper: return the port that a socket is bound on, in host order. */ int regress_get_socket_port(evutil_socket_t fd); /* used to look up pre-canned responses in a search table */ void regress_dns_server_cb( struct evdns_server_request *req, void *data); /* globally allocates a dns server that serves from a search table */ int regress_dnsserver(struct event_base *base, ev_uint16_t *port, struct regress_dns_server_table *seach_table); /* clean up the global dns server resources */ void regress_clean_dnsserver(void); struct evconnlistener; struct sockaddr; int regress_get_listener_addr(struct evconnlistener *lev, struct sockaddr *sa, ev_socklen_t *socklen); #endif /* REGRESS_TESTUTILS_H_INCLUDED_ */ lldpd-1.0.18/libevent/test/regress.gen.c0000644000076400001440000000000214143725025017306 0ustar00bernatusers lldpd-1.0.18/libevent/test/regress_et.c0000644000076400001440000002003114111362571017230 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "../util-internal.h" #include "event2/event-config.h" #ifdef _WIN32 #include #endif #include #include #ifdef EVENT__HAVE_SYS_SOCKET_H #include #endif #include #include #include #include #ifndef _WIN32 #include #include #endif #include #include "event2/event.h" #include "event2/util.h" #include "regress.h" static int was_et = 0; static int base_supports_et(struct event_base *base) { return (!strcmp(event_base_get_method(base), "epoll") || !strcmp(event_base_get_method(base), "epoll (with changelist)") || !strcmp(event_base_get_method(base), "kqueue")); } static void read_cb(evutil_socket_t fd, short event, void *arg) { char buf; int len; len = recv(fd, &buf, sizeof(buf), 0); called++; if (event & EV_ET) was_et = 1; if (!len) event_del(arg); } static void test_edgetriggered(void *data_) { struct basic_test_data *data = data_; struct event_base *base = data->base; evutil_socket_t *pair = data->pair; struct event *ev = NULL; const char *test = "test string"; int supports_et; /* On Linux 3.2.1 (at least, as patched by Fedora and tested by Nick), * doing a "recv" on an AF_UNIX socket resets the readability of the * socket, even though there is no state change, so we don't actually * get edge-triggered behavior. Yuck! Linux 3.1.9 didn't have this * problem. */ called = was_et = 0; tt_int_op(send(pair[0], test, (int)strlen(test)+1, 0), >, 0); tt_int_op(shutdown(pair[0], EVUTIL_SHUT_WR), ==, 0); supports_et = base_supports_et(base); TT_BLATHER(("Checking for edge-triggered events with %s, which should %s" "support edge-triggering", event_base_get_method(base), supports_et?"":"not ")); /* Initialize one event */ ev = event_new(base, pair[1], EV_READ|EV_ET|EV_PERSIST, read_cb, &ev); tt_assert(ev != NULL); tt_int_op(event_add(ev, NULL), ==, 0); /* We're going to call the dispatch function twice. The first invocation * will read a single byte from pair[1] in either case. If we're edge * triggered, we'll only see the event once (since we only see transitions * from no data to data), so the second invocation of event_base_loop will * do nothing. If we're level triggered, the second invocation of * event_base_loop will also activate the event (because there's still * data to read). */ tt_int_op(event_base_loop(base,EVLOOP_NONBLOCK|EVLOOP_ONCE), ==, 0); tt_int_op(event_base_loop(base,EVLOOP_NONBLOCK|EVLOOP_ONCE), ==, 0); if (supports_et) { tt_int_op(called, ==, 1); tt_assert(was_et); } else { tt_int_op(called, ==, 2); tt_assert(!was_et); } end: if (ev) { event_del(ev); event_free(ev); } } static void test_edgetriggered_mix_error(void *data_) { struct basic_test_data *data = data_; struct event_base *base = NULL; struct event *ev_et=NULL, *ev_lt=NULL; #ifdef EVENT__DISABLE_DEBUG_MODE if (1) tt_skip(); #endif if (!libevent_tests_running_in_debug_mode) event_enable_debug_mode(); base = event_base_new(); /* try mixing edge-triggered and level-triggered to make sure it fails*/ ev_et = event_new(base, data->pair[0], EV_READ|EV_ET, read_cb, ev_et); tt_assert(ev_et); ev_lt = event_new(base, data->pair[0], EV_READ, read_cb, ev_lt); tt_assert(ev_lt); /* Add edge-triggered, then level-triggered. Get an error. */ tt_int_op(0, ==, event_add(ev_et, NULL)); tt_int_op(-1, ==, event_add(ev_lt, NULL)); tt_int_op(EV_READ, ==, event_pending(ev_et, EV_READ, NULL)); tt_int_op(0, ==, event_pending(ev_lt, EV_READ, NULL)); tt_int_op(0, ==, event_del(ev_et)); /* Add level-triggered, then edge-triggered. Get an error. */ tt_int_op(0, ==, event_add(ev_lt, NULL)); tt_int_op(-1, ==, event_add(ev_et, NULL)); tt_int_op(EV_READ, ==, event_pending(ev_lt, EV_READ, NULL)); tt_int_op(0, ==, event_pending(ev_et, EV_READ, NULL)); end: if (ev_et) event_free(ev_et); if (ev_lt) event_free(ev_lt); if (base) event_base_free(base); } static int read_notification_count; static int last_read_notification_was_et; static void read_notification_cb(evutil_socket_t fd, short event, void *arg) { read_notification_count++; last_read_notification_was_et = (event & EV_ET); } static int write_notification_count; static int last_write_notification_was_et; static void write_notification_cb(evutil_socket_t fd, short event, void *arg) { write_notification_count++; last_write_notification_was_et = (event & EV_ET); } /* After two or more events have been registered for the same * file descriptor using EV_ET, if one of the events is * deleted, then the epoll_ctl() call issued by libevent drops * the EPOLLET flag resulting in level triggered * notifications. */ static void test_edge_triggered_multiple_events(void *data_) { struct basic_test_data *data = data_; struct event *read_ev = NULL; struct event *write_ev = NULL; const char c = 'A'; struct event_base *base = data->base; evutil_socket_t *pair = data->pair; if (!base_supports_et(base)) { tt_skip(); return; } read_notification_count = 0; last_read_notification_was_et = 0; write_notification_count = 0; last_write_notification_was_et = 0; /* Make pair[1] readable */ tt_int_op(send(pair[0], &c, 1, 0), >, 0); read_ev = event_new(base, pair[1], EV_READ|EV_ET|EV_PERSIST, read_notification_cb, NULL); write_ev = event_new(base, pair[1], EV_WRITE|EV_ET|EV_PERSIST, write_notification_cb, NULL); event_add(read_ev, NULL); event_add(write_ev, NULL); event_base_loop(base, EVLOOP_NONBLOCK|EVLOOP_ONCE); event_base_loop(base, EVLOOP_NONBLOCK|EVLOOP_ONCE); tt_assert(last_read_notification_was_et); tt_int_op(read_notification_count, ==, 1); tt_assert(last_write_notification_was_et); tt_int_op(write_notification_count, ==, 1); event_del(read_ev); /* trigger acitivity second time for the backend that can have multiple * events for one fd (like kqueue) */ close(pair[0]); pair[0] = -1; /* Verify that we are still edge-triggered for write notifications */ event_base_loop(base, EVLOOP_NONBLOCK|EVLOOP_ONCE); event_base_loop(base, EVLOOP_NONBLOCK|EVLOOP_ONCE); tt_assert(last_write_notification_was_et); tt_int_op(write_notification_count, ==, 2); end: if (read_ev) event_free(read_ev); if (write_ev) event_free(write_ev); } struct testcase_t edgetriggered_testcases[] = { { "et", test_edgetriggered, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, &basic_setup, NULL }, { "et_mix_error", test_edgetriggered_mix_error, TT_FORK|TT_NEED_SOCKETPAIR|TT_NO_LOGS, &basic_setup, NULL }, { "et_multiple_events", test_edge_triggered_multiple_events, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, &basic_setup, NULL }, END_OF_TESTCASES }; lldpd-1.0.18/libevent/test/regress_thread.h0000644000076400001440000000474414111362571020111 0ustar00bernatusers/* * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef REGRESS_THREAD_H_INCLUDED_ #define REGRESS_THREAD_H_INCLUDED_ #if defined(_WIN32) /** _WIN32 */ #define THREAD_T void * /* HANDLE */ #define THREAD_FN unsigned __stdcall #define THREAD_RETURN() return (0) #define THREAD_SELF() GetCurrentThreadId() #define THREAD_START(threadvar, fn, arg) do { \ uintptr_t threadhandle = _beginthreadex(NULL,0,fn,(arg),0,NULL); \ (threadvar) = (THREAD_T)threadhandle; \ thread_setup(threadvar); \ } while (0) #define THREAD_JOIN(th) WaitForSingleObject(th, INFINITE) #else /* !_WIN32 */ #include #define THREAD_T pthread_t #define THREAD_FN void * #define THREAD_RETURN() return (NULL) #define THREAD_SELF() pthread_self() #define THREAD_START(threadvar, fn, arg) do { \ if (!pthread_create(&(threadvar), NULL, fn, arg)) \ thread_setup(threadvar); \ } while (0) #define THREAD_JOIN(th) pthread_join(th, NULL) #endif /* \!_WIN32 */ void thread_setup(THREAD_T pthread); #endif lldpd-1.0.18/libevent/test/regress_ssl.c0000644000076400001440000007467214111362571017445 0ustar00bernatusers/* * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ // Get rid of OSX 10.7 and greater deprecation warnings. #if defined(__APPLE__) && defined(__clang__) #pragma clang diagnostic ignored "-Wdeprecated-declarations" #endif #ifdef _WIN32 #include #include #endif #include "util-internal.h" #ifndef _WIN32 #include #include #include #endif #include "event2/util.h" #include "event2/event.h" #include "event2/bufferevent_ssl.h" #include "event2/bufferevent_struct.h" #include "event2/buffer.h" #include "event2/listener.h" #include "regress.h" #include "tinytest.h" #include "tinytest_macros.h" #include #include #include "openssl-compat.h" #include #ifdef _WIN32 #include #define read _read #define write _write #else #include #endif /* A pre-generated key, to save the cost of doing an RSA key generation step * during the unit tests. It is published in this file, so you would have to * be very foolish to consider using it in your own code. */ static const char KEY[] = "-----BEGIN RSA PRIVATE KEY-----\n" "MIIEogIBAAKCAQEAtK07Ili0dkJb79m/sFmHoVJTWyLoveXex2yX/BtUzzcvZEOu\n" "QLon/++5YOA48kzZm5K9mIwZkZhui1ZgJ5Bjq0LGAWTZGIn+NXjLFshPYvTKpOCW\n" "uzL0Ir0LXMsBLYJQ5A4FomLNxs4I3H/dhDSGy/rSiJB1B4w2xNiwPK08/VL3zZqk\n" "V+GsSvGIIkzhTMbqPJy9K8pqyjwOU2pgORS794yXciTGxWYjTDzJPgQ35YMDATaG\n" "jr4HHo1zxU/Lj0pndSUK5rKLYxYQ3Uc8B3AVYDl9CP/GbOoQ4LBzS68JjcAUyp6i\n" "6NfXlc2D9S9XgqVqwI+JqgJs0eW/+zPY2UEDWwIDAQABAoIBAD2HzV66FOM9YDAD\n" "2RtGskEHV2nvLpIVadRCsFPkPvK+2X3s6rgSbbLkwh4y3lHuSCGKTNVZyQ9jeSos\n" "xVxT+Q2HFQW+gYyw2gj91TQyDY8mzKhv8AVaqff2p5r3a7RC8CdqexK9UVUGL9Bg\n" "H2F5vfpTtkVZ5PEoGDLblNFlMiMW/t1SobUeBVx+Msco/xqk9lFv1A9nnepGy0Gi\n" "D+i6YNGTBsX22YhoCZl/ICxCL8lgqPei4FvBr9dBVh/jQgjuUBm2jz55p2r7+7Aw\n" "khmXHReejoVokQ2+htgSgZNKlKuDy710ZpBqnDi8ynQi82Y2qCpyg/p/xcER54B6\n" "hSftaiECgYEA2RkSoxU+nWk+BClQEUZRi88QK5W/M8oo1DvUs36hvPFkw3Jk/gz0\n" "fgd5bnA+MXj0Fc0QHvbddPjIkyoI/evq9GPV+JYIuH5zabrlI3Jvya8q9QpAcEDO\n" "KkL/O09qXVEW52S6l05nh4PLejyI7aTyTIN5nbVLac/+M8MY/qOjZksCgYEA1Q1o\n" "L8kjSavU2xhQmSgZb9W62Do60sa3e73ljrDPoiyvbExldpSdziFYxHBD/Rep0ePf\n" "eVSGS3VSwevt9/jSGo2Oa83TYYns9agBm03oR/Go/DukESdI792NsEM+PRFypVNy\n" "AohWRLj0UU6DV+zLKp0VBavtx0ATeLFX0eN17TECgYBI2O/3Bz7uhQ0JSm+SjFz6\n" "o+2SInp5P2G57aWu4VQWWY3tQ2p+EQzNaWam10UXRrXoxtmc+ktPX9e2AgnoYoyB\n" "myqGcpnUhqHlnZAb999o9r1cYidDQ4uqhLauSTSwwXAFDzjJYsa8o03Y440y6QFh\n" "CVD6yYXXqLJs3g96CqDexwKBgAHxq1+0QCQt8zVElYewO/svQhMzBNJjic0RQIT6\n" "zAo4yij80XgxhvcYiszQEW6/xobpw2JCCS+rFGQ8mOFIXfJsFD6blDAxp/3d2JXo\n" "MhRl+hrDGI4ng5zcsqxHEMxR2m/zwPiQ8eiSn3gWdVBaEsiCwmxY00ScKxFQ3PJH\n" "Vw4hAoGAdZLd8KfjjG6lg7hfpVqavstqVi9LOgkHeCfdjn7JP+76kYrgLk/XdkrP\n" "N/BHhtFVFjOi/mTQfQ5YfZImkm/1ePBy7437DT8BDkOxspa50kK4HPggHnU64h1w\n" "lhdEOj7mAgHwGwwVZWOgs9Lq6vfztnSuhqjha1daESY6kDscPIQ=\n" "-----END RSA PRIVATE KEY-----\n"; EVP_PKEY * ssl_getkey(void) { EVP_PKEY *key; BIO *bio; /* new read-only BIO backed by KEY. */ bio = BIO_new_mem_buf((char*)KEY, -1); tt_assert(bio); key = PEM_read_bio_PrivateKey(bio,NULL,NULL,NULL); BIO_free(bio); tt_assert(key); return key; end: return NULL; } X509 * ssl_getcert(EVP_PKEY *key) { /* Dummy code to make a quick-and-dirty valid certificate with OpenSSL. Don't copy this code into your own program! It does a number of things in a stupid and insecure way. */ X509 *x509 = NULL; X509_NAME *name = NULL; int nid; time_t now = time(NULL); tt_assert(key); x509 = X509_new(); tt_assert(x509); tt_assert(0 != X509_set_version(x509, 2)); tt_assert(0 != ASN1_INTEGER_set(X509_get_serialNumber(x509), (long)now)); name = X509_NAME_new(); tt_assert(name); nid = OBJ_txt2nid("commonName"); tt_assert(NID_undef != nid); tt_assert(0 != X509_NAME_add_entry_by_NID( name, nid, MBSTRING_ASC, (unsigned char*)"example.com", -1, -1, 0)); X509_set_subject_name(x509, name); X509_set_issuer_name(x509, name); X509_NAME_free(name); X509_time_adj(X509_getm_notBefore(x509), 0, &now); now += 3600; X509_time_adj(X509_getm_notAfter(x509), 0, &now); X509_set_pubkey(x509, key); tt_assert(0 != X509_sign(x509, key, EVP_sha1())); return x509; end: X509_free(x509); X509_NAME_free(name); return NULL; } static int disable_tls_11_and_12 = 0; static SSL_CTX *the_ssl_ctx = NULL; SSL_CTX * get_ssl_ctx(void) { if (the_ssl_ctx) return the_ssl_ctx; the_ssl_ctx = SSL_CTX_new(SSLv23_method()); if (!the_ssl_ctx) return NULL; if (disable_tls_11_and_12) { #ifdef SSL_OP_NO_TLSv1_2 SSL_CTX_set_options(the_ssl_ctx, SSL_OP_NO_TLSv1_2); #endif #ifdef SSL_OP_NO_TLSv1_1 SSL_CTX_set_options(the_ssl_ctx, SSL_OP_NO_TLSv1_1); #endif } return the_ssl_ctx; } static int test_is_done; static int n_connected; static int got_close; static int got_error; static int got_timeout; static int renegotiate_at = -1; static int stop_when_connected; static int pending_connect_events; static struct event_base *exit_base; static X509 *the_cert; EVP_PKEY *the_key; void init_ssl(void) { #if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \ (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L) SSL_library_init(); ERR_load_crypto_strings(); SSL_load_error_strings(); OpenSSL_add_all_algorithms(); if (SSLeay() != OPENSSL_VERSION_NUMBER) { TT_DECLARE("WARN", ("Version mismatch for openssl: compiled with %lx but running with %lx", (unsigned long)OPENSSL_VERSION_NUMBER, (unsigned long)SSLeay())); } #endif } static void * ssl_test_setup(const struct testcase_t *testcase) { init_ssl(); the_key = ssl_getkey(); EVUTIL_ASSERT(the_key); the_cert = ssl_getcert(the_key); EVUTIL_ASSERT(the_cert); disable_tls_11_and_12 = 0; return basic_test_setup(testcase); } static int ssl_test_cleanup(const struct testcase_t *testcase, void *ptr) { int ret = basic_test_cleanup(testcase, ptr); if (!ret) { return ret; } test_is_done = 0; n_connected = 0; got_close = 0; got_error = 0; got_timeout = 0; renegotiate_at = -1; stop_when_connected = 0; pending_connect_events = 0; exit_base = NULL; X509_free(the_cert); EVP_PKEY_free(the_key); SSL_CTX_free(the_ssl_ctx); the_ssl_ctx = NULL; return 1; } const struct testcase_setup_t ssl_setup = { ssl_test_setup, ssl_test_cleanup }; /* ==================== Here's a simple test: we read a number from the input, increment it, and reply, until we get to 1001. */ enum regress_openssl_type { REGRESS_OPENSSL_SOCKETPAIR = 1, REGRESS_OPENSSL_FILTER = 2, REGRESS_OPENSSL_RENEGOTIATE = 4, REGRESS_OPENSSL_OPEN = 8, REGRESS_OPENSSL_DIRTY_SHUTDOWN = 16, REGRESS_OPENSSL_FD = 32, REGRESS_OPENSSL_CLIENT = 64, REGRESS_OPENSSL_SERVER = 128, REGRESS_OPENSSL_FREED = 256, REGRESS_OPENSSL_TIMEOUT = 512, REGRESS_OPENSSL_SLEEP = 1024, REGRESS_OPENSSL_CLIENT_WRITE = 2048, REGRESS_DEFERRED_CALLBACKS = 4096, }; static void bufferevent_openssl_check_fd(struct bufferevent *bev, int filter) { tt_fd_op(bufferevent_getfd(bev), !=, EVUTIL_INVALID_SOCKET); tt_fd_op(bufferevent_setfd(bev, EVUTIL_INVALID_SOCKET), ==, 0); if (filter) { tt_fd_op(bufferevent_getfd(bev), !=, EVUTIL_INVALID_SOCKET); } else { tt_fd_op(bufferevent_getfd(bev), ==, EVUTIL_INVALID_SOCKET); } end: ; } static void bufferevent_openssl_check_freed(struct bufferevent *bev) { tt_int_op(event_pending(&bev->ev_read, EVLIST_ALL, NULL), ==, 0); tt_int_op(event_pending(&bev->ev_write, EVLIST_ALL, NULL), ==, 0); end: ; } static void free_on_cb(struct bufferevent *bev, void *ctx) { TT_BLATHER(("free_on_cb: %p", bev)); bufferevent_free(bev); } static void respond_to_number(struct bufferevent *bev, void *ctx) { struct evbuffer *b = bufferevent_get_input(bev); char *line; int n; enum regress_openssl_type type; type = (enum regress_openssl_type)ctx; line = evbuffer_readln(b, NULL, EVBUFFER_EOL_LF); if (! line) return; n = atoi(line); if (n <= 0) TT_FAIL(("Bad number: %s", line)); free(line); TT_BLATHER(("The number was %d", n)); if (n == 1001) { ++test_is_done; bufferevent_free(bev); /* Should trigger close on other side. */ return; } if ((type & REGRESS_OPENSSL_CLIENT) && n == renegotiate_at) { SSL_renegotiate(bufferevent_openssl_get_ssl(bev)); } ++n; evbuffer_add_printf(bufferevent_get_output(bev), "%d\n", n); TT_BLATHER(("Done reading; now writing.")); bufferevent_enable(bev, EV_WRITE); bufferevent_disable(bev, EV_READ); } static void done_writing_cb(struct bufferevent *bev, void *ctx) { struct evbuffer *b = bufferevent_get_output(bev); if (evbuffer_get_length(b)) return; TT_BLATHER(("Done writing.")); bufferevent_disable(bev, EV_WRITE); bufferevent_enable(bev, EV_READ); } static void eventcb(struct bufferevent *bev, short what, void *ctx) { X509 *peer_cert = NULL; enum regress_openssl_type type; type = (enum regress_openssl_type)ctx; TT_BLATHER(("Got event %d", (int)what)); if (what & BEV_EVENT_CONNECTED) { SSL *ssl; ++n_connected; ssl = bufferevent_openssl_get_ssl(bev); tt_assert(ssl); peer_cert = SSL_get_peer_certificate(ssl); if (type & REGRESS_OPENSSL_SERVER) { tt_assert(peer_cert == NULL); } else { tt_assert(peer_cert != NULL); } if (stop_when_connected) { if (--pending_connect_events == 0) event_base_loopexit(exit_base, NULL); } if ((type & REGRESS_OPENSSL_CLIENT_WRITE) && (type & REGRESS_OPENSSL_CLIENT)) evbuffer_add_printf(bufferevent_get_output(bev), "1\n"); } else if (what & BEV_EVENT_EOF) { TT_BLATHER(("Got a good EOF")); ++got_close; if (type & REGRESS_OPENSSL_FD) { bufferevent_openssl_check_fd(bev, type & REGRESS_OPENSSL_FILTER); } if (type & REGRESS_OPENSSL_FREED) { bufferevent_openssl_check_freed(bev); } bufferevent_free(bev); } else if (what & BEV_EVENT_ERROR) { TT_BLATHER(("Got an error.")); ++got_error; if (type & REGRESS_OPENSSL_FD) { bufferevent_openssl_check_fd(bev, type & REGRESS_OPENSSL_FILTER); } if (type & REGRESS_OPENSSL_FREED) { bufferevent_openssl_check_freed(bev); } bufferevent_free(bev); } else if (what & BEV_EVENT_TIMEOUT) { TT_BLATHER(("Got timeout.")); ++got_timeout; if (type & REGRESS_OPENSSL_FD) { bufferevent_openssl_check_fd(bev, type & REGRESS_OPENSSL_FILTER); } if (type & REGRESS_OPENSSL_FREED) { bufferevent_openssl_check_freed(bev); } bufferevent_free(bev); } end: if (peer_cert) X509_free(peer_cert); } static void open_ssl_bufevs(struct bufferevent **bev1_out, struct bufferevent **bev2_out, struct event_base *base, int is_open, int flags, SSL *ssl1, SSL *ssl2, evutil_socket_t *fd_pair, struct bufferevent **underlying_pair, enum regress_openssl_type type) { int state1 = is_open ? BUFFEREVENT_SSL_OPEN :BUFFEREVENT_SSL_CONNECTING; int state2 = is_open ? BUFFEREVENT_SSL_OPEN :BUFFEREVENT_SSL_ACCEPTING; int dirty_shutdown = type & REGRESS_OPENSSL_DIRTY_SHUTDOWN; if (fd_pair) { *bev1_out = bufferevent_openssl_socket_new( base, fd_pair[0], ssl1, state1, flags); *bev2_out = bufferevent_openssl_socket_new( base, fd_pair[1], ssl2, state2, flags); } else { *bev1_out = bufferevent_openssl_filter_new( base, underlying_pair[0], ssl1, state1, flags); *bev2_out = bufferevent_openssl_filter_new( base, underlying_pair[1], ssl2, state2, flags); } bufferevent_setcb(*bev1_out, respond_to_number, done_writing_cb, eventcb, (void*)(REGRESS_OPENSSL_CLIENT | (long)type)); bufferevent_setcb(*bev2_out, respond_to_number, done_writing_cb, eventcb, (void*)(REGRESS_OPENSSL_SERVER | (long)type)); bufferevent_openssl_set_allow_dirty_shutdown(*bev1_out, dirty_shutdown); bufferevent_openssl_set_allow_dirty_shutdown(*bev2_out, dirty_shutdown); } static void regress_bufferevent_openssl(void *arg) { struct basic_test_data *data = arg; struct bufferevent *bev1, *bev2; SSL *ssl1, *ssl2; int flags = BEV_OPT_DEFER_CALLBACKS; struct bufferevent *bev_ll[2] = { NULL, NULL }; evutil_socket_t *fd_pair = NULL; enum regress_openssl_type type; type = (enum regress_openssl_type)data->setup_data; if (type & REGRESS_OPENSSL_RENEGOTIATE) { if (OPENSSL_VERSION_NUMBER >= 0x10001000 && OPENSSL_VERSION_NUMBER < 0x1000104f) { /* 1.0.1 up to 1.0.1c has a bug where TLS1.1 and 1.2 * can't renegotiate with themselves. Disable. */ disable_tls_11_and_12 = 1; } renegotiate_at = 600; } ssl1 = SSL_new(get_ssl_ctx()); ssl2 = SSL_new(get_ssl_ctx()); SSL_use_certificate(ssl2, the_cert); SSL_use_PrivateKey(ssl2, the_key); if (!(type & REGRESS_OPENSSL_OPEN)) flags |= BEV_OPT_CLOSE_ON_FREE; if (!(type & REGRESS_OPENSSL_FILTER)) { tt_assert(type & REGRESS_OPENSSL_SOCKETPAIR); fd_pair = data->pair; } else { bev_ll[0] = bufferevent_socket_new(data->base, data->pair[0], BEV_OPT_CLOSE_ON_FREE); bev_ll[1] = bufferevent_socket_new(data->base, data->pair[1], BEV_OPT_CLOSE_ON_FREE); } open_ssl_bufevs(&bev1, &bev2, data->base, 0, flags, ssl1, ssl2, fd_pair, bev_ll, type); if (!(type & REGRESS_OPENSSL_FILTER)) { tt_fd_op(bufferevent_getfd(bev1), ==, data->pair[0]); } else { tt_ptr_op(bufferevent_get_underlying(bev1), ==, bev_ll[0]); } if (type & REGRESS_OPENSSL_OPEN) { pending_connect_events = 2; stop_when_connected = 1; exit_base = data->base; event_base_dispatch(data->base); /* Okay, now the renegotiation is done. Make new * bufferevents to test opening in BUFFEREVENT_SSL_OPEN */ flags |= BEV_OPT_CLOSE_ON_FREE; bufferevent_free(bev1); bufferevent_free(bev2); bev1 = bev2 = NULL; open_ssl_bufevs(&bev1, &bev2, data->base, 1, flags, ssl1, ssl2, fd_pair, bev_ll, type); } if (!(type & REGRESS_OPENSSL_TIMEOUT)) { bufferevent_enable(bev1, EV_READ|EV_WRITE); bufferevent_enable(bev2, EV_READ|EV_WRITE); if (!(type & REGRESS_OPENSSL_CLIENT_WRITE)) evbuffer_add_printf(bufferevent_get_output(bev1), "1\n"); event_base_dispatch(data->base); tt_assert(test_is_done == 1); tt_assert(n_connected == 2); /* We don't handle shutdown properly yet */ if (type & REGRESS_OPENSSL_DIRTY_SHUTDOWN) { tt_int_op(got_close, ==, 1); tt_int_op(got_error, ==, 0); } else { tt_int_op(got_error, ==, 1); } tt_int_op(got_timeout, ==, 0); } else { struct timeval t = { 2, 0 }; bufferevent_enable(bev1, EV_READ|EV_WRITE); bufferevent_disable(bev2, EV_READ|EV_WRITE); bufferevent_set_timeouts(bev1, &t, &t); if (!(type & REGRESS_OPENSSL_CLIENT_WRITE)) evbuffer_add_printf(bufferevent_get_output(bev1), "1\n"); event_base_dispatch(data->base); tt_assert(test_is_done == 0); tt_assert(n_connected == 0); tt_int_op(got_close, ==, 0); tt_int_op(got_error, ==, 0); tt_int_op(got_timeout, ==, 1); bufferevent_free(bev2); } end: return; } static void acceptcb_deferred(evutil_socket_t fd, short events, void *arg) { struct bufferevent *bev = arg; bufferevent_enable(bev, EV_READ|EV_WRITE); } static void acceptcb(struct evconnlistener *listener, evutil_socket_t fd, struct sockaddr *addr, int socklen, void *arg) { struct basic_test_data *data = arg; struct bufferevent *bev; enum regress_openssl_type type; SSL *ssl = SSL_new(get_ssl_ctx()); type = (enum regress_openssl_type)data->setup_data; SSL_use_certificate(ssl, the_cert); SSL_use_PrivateKey(ssl, the_key); bev = bufferevent_openssl_socket_new( data->base, fd, ssl, BUFFEREVENT_SSL_ACCEPTING, BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS); tt_assert(bev); bufferevent_setcb(bev, respond_to_number, NULL, eventcb, (void*)(REGRESS_OPENSSL_SERVER)); if (type & REGRESS_OPENSSL_SLEEP) { struct timeval when = { 1, 0 }; event_base_once(data->base, -1, EV_TIMEOUT, acceptcb_deferred, bev, &when); bufferevent_disable(bev, EV_READ|EV_WRITE); } else { bufferevent_enable(bev, EV_READ|EV_WRITE); } /* Only accept once, then disable ourself. */ evconnlistener_disable(listener); end: ; } struct rwcount { evutil_socket_t fd; size_t read; size_t write; }; static int bio_rwcount_new(BIO *b) { BIO_set_init(b, 0); BIO_set_data(b, NULL); return 1; } static int bio_rwcount_free(BIO *b) { TT_BLATHER(("bio_rwcount_free: %p", b)); if (!b) return 0; if (BIO_get_shutdown(b)) { BIO_set_init(b, 0); BIO_set_data(b, NULL); } return 1; } static int bio_rwcount_read(BIO *b, char *out, int outlen) { struct rwcount *rw = BIO_get_data(b); ev_ssize_t ret = recv(rw->fd, out, outlen, 0); ++rw->read; if (ret == -1 && EVUTIL_ERR_RW_RETRIABLE(EVUTIL_SOCKET_ERROR())) { BIO_set_retry_read(b); } return ret; } static int bio_rwcount_write(BIO *b, const char *in, int inlen) { struct rwcount *rw = BIO_get_data(b); ev_ssize_t ret = send(rw->fd, in, inlen, 0); ++rw->write; if (ret == -1 && EVUTIL_ERR_RW_RETRIABLE(EVUTIL_SOCKET_ERROR())) { BIO_set_retry_write(b); } return ret; } static long bio_rwcount_ctrl(BIO *b, int cmd, long num, void *ptr) { struct rwcount *rw = BIO_get_data(b); long ret = 0; switch (cmd) { case BIO_C_GET_FD: ret = rw->fd; break; case BIO_CTRL_GET_CLOSE: ret = BIO_get_shutdown(b); break; case BIO_CTRL_SET_CLOSE: BIO_set_shutdown(b, (int)num); break; case BIO_CTRL_PENDING: ret = 0; break; case BIO_CTRL_WPENDING: ret = 0; break; case BIO_CTRL_DUP: case BIO_CTRL_FLUSH: ret = 1; break; } return ret; } static int bio_rwcount_puts(BIO *b, const char *s) { return bio_rwcount_write(b, s, strlen(s)); } #define BIO_TYPE_LIBEVENT_RWCOUNT 0xff1 static BIO_METHOD *methods_rwcount; static BIO_METHOD * BIO_s_rwcount(void) { if (methods_rwcount == NULL) { methods_rwcount = BIO_meth_new(BIO_TYPE_LIBEVENT_RWCOUNT, "rwcount"); if (methods_rwcount == NULL) return NULL; BIO_meth_set_write(methods_rwcount, bio_rwcount_write); BIO_meth_set_read(methods_rwcount, bio_rwcount_read); BIO_meth_set_puts(methods_rwcount, bio_rwcount_puts); BIO_meth_set_ctrl(methods_rwcount, bio_rwcount_ctrl); BIO_meth_set_create(methods_rwcount, bio_rwcount_new); BIO_meth_set_destroy(methods_rwcount, bio_rwcount_free); } return methods_rwcount; } static BIO * BIO_new_rwcount(int close_flag) { BIO *result; if (!(result = BIO_new(BIO_s_rwcount()))) return NULL; BIO_set_init(result, 1); BIO_set_data(result, NULL); BIO_set_shutdown(result, !!close_flag); return result; } static void regress_bufferevent_openssl_connect(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evconnlistener *listener; struct bufferevent *bev; struct sockaddr_in sin; struct sockaddr_storage ss; ev_socklen_t slen; SSL *ssl; struct rwcount rw = { -1, 0, 0 }; enum regress_openssl_type type; type = (enum regress_openssl_type)data->setup_data; memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_addr.s_addr = htonl(0x7f000001); memset(&ss, 0, sizeof(ss)); slen = sizeof(ss); listener = evconnlistener_new_bind(base, acceptcb, data, LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE, -1, (struct sockaddr *)&sin, sizeof(sin)); tt_assert(listener); tt_assert(evconnlistener_get_fd(listener) >= 0); ssl = SSL_new(get_ssl_ctx()); tt_assert(ssl); bev = bufferevent_openssl_socket_new( data->base, -1, ssl, BUFFEREVENT_SSL_CONNECTING, BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS); tt_assert(bev); bufferevent_setcb(bev, respond_to_number, free_on_cb, eventcb, (void*)(REGRESS_OPENSSL_CLIENT)); tt_assert(getsockname(evconnlistener_get_fd(listener), (struct sockaddr*)&ss, &slen) == 0); tt_assert(slen == sizeof(struct sockaddr_in)); tt_int_op(((struct sockaddr*)&ss)->sa_family, ==, AF_INET); tt_assert(0 == bufferevent_socket_connect(bev, (struct sockaddr*)&ss, slen)); /* Possible only when we have fd, since be_openssl can and will overwrite * bio otherwise before */ if (type & REGRESS_OPENSSL_SLEEP) { BIO *bio; rw.fd = bufferevent_getfd(bev); bio = BIO_new_rwcount(0); tt_assert(bio); BIO_set_data(bio, &rw); SSL_set_bio(ssl, bio, bio); } evbuffer_add_printf(bufferevent_get_output(bev), "1\n"); bufferevent_enable(bev, EV_READ|EV_WRITE); event_base_dispatch(base); tt_int_op(rw.read, <=, 100); tt_int_op(rw.write, <=, 100); end: evconnlistener_free(listener); } struct wm_context { int server; int flags; struct evbuffer *data; size_t to_read; size_t wm_high; size_t limit; size_t get; struct bufferevent *bev; struct wm_context *neighbour; }; static void wm_transfer(struct bufferevent *bev, void *arg) { struct wm_context *ctx = arg; struct evbuffer *in = bufferevent_get_input(bev); struct evbuffer *out = bufferevent_get_output(bev); size_t len = evbuffer_get_length(in); size_t drain = len < ctx->to_read ? len : ctx->to_read; if (ctx->get >= ctx->limit) { TT_BLATHER(("wm_transfer-%s(%p): break", ctx->server ? "server" : "client", bev)); bufferevent_setcb(bev, NULL, NULL, NULL, NULL); bufferevent_disable(bev, EV_READ); if (ctx->neighbour->get >= ctx->neighbour->limit) { event_base_loopbreak(bufferevent_get_base(bev)); } } else { ctx->get += drain; evbuffer_drain(in, drain); } TT_BLATHER(("wm_transfer-%s(%p): " "in: " EV_SIZE_FMT ", " "out: " EV_SIZE_FMT ", " "got: " EV_SIZE_FMT "", ctx->server ? "server" : "client", bev, evbuffer_get_length(in), evbuffer_get_length(out), ctx->get)); evbuffer_add_buffer_reference(out, ctx->data); } static void wm_eventcb(struct bufferevent *bev, short what, void *arg) { struct wm_context *ctx = arg; TT_BLATHER(("wm_eventcb-%s(%p): %i", ctx->server ? "server" : "client", bev, what)); if (what & BEV_EVENT_CONNECTED) { } else { ctx->get = 0; } } static void wm_acceptcb(struct evconnlistener *listener, evutil_socket_t fd, struct sockaddr *addr, int socklen, void *arg) { struct wm_context *ctx = arg; struct bufferevent *bev; struct event_base *base = evconnlistener_get_base(listener); SSL *ssl = SSL_new(get_ssl_ctx()); SSL_use_certificate(ssl, the_cert); SSL_use_PrivateKey(ssl, the_key); bev = bufferevent_openssl_socket_new( base, fd, ssl, BUFFEREVENT_SSL_ACCEPTING, ctx->flags); TT_BLATHER(("wm_transfer-%s(%p): accept", ctx->server ? "server" : "client", bev)); bufferevent_setwatermark(bev, EV_READ, 0, ctx->wm_high); bufferevent_setcb(bev, wm_transfer, NULL, wm_eventcb, ctx); bufferevent_enable(bev, EV_READ|EV_WRITE); ctx->bev = bev; /* Only accept once, then disable ourself. */ evconnlistener_disable(listener); } static void regress_bufferevent_openssl_wm(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evconnlistener *listener; struct bufferevent *bev; struct sockaddr_in sin; struct sockaddr_storage ss; enum regress_openssl_type type = (enum regress_openssl_type)data->setup_data; int bev_flags = BEV_OPT_CLOSE_ON_FREE; ev_socklen_t slen; SSL *ssl; struct wm_context client, server; char *payload; size_t payload_len = 1<<10; size_t wm_high = 5<<10; memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_addr.s_addr = htonl(0x7f000001); memset(&ss, 0, sizeof(ss)); slen = sizeof(ss); if (type & REGRESS_DEFERRED_CALLBACKS) bev_flags |= BEV_OPT_DEFER_CALLBACKS; memset(&client, 0, sizeof(client)); memset(&server, 0, sizeof(server)); client.server = 0; server.server = 1; client.flags = server.flags = bev_flags; client.data = evbuffer_new(); server.data = evbuffer_new(); payload = calloc(1, payload_len); memset(payload, 'A', payload_len); evbuffer_add(server.data, payload, payload_len); evbuffer_add(client.data, payload, payload_len); client.wm_high = server.wm_high = wm_high; client.limit = server.limit = wm_high<<3; client.to_read = server.to_read = payload_len>>1; TT_BLATHER(("openssl_wm: " "payload_len = " EV_SIZE_FMT ", " "wm_high = " EV_SIZE_FMT ", " "limit = " EV_SIZE_FMT ", " "to_read: " EV_SIZE_FMT "", payload_len, wm_high, server.limit, server.to_read)); listener = evconnlistener_new_bind(base, wm_acceptcb, &server, LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE, -1, (struct sockaddr *)&sin, sizeof(sin)); tt_assert(listener); tt_assert(evconnlistener_get_fd(listener) >= 0); ssl = SSL_new(get_ssl_ctx()); tt_assert(ssl); if (type & REGRESS_OPENSSL_FILTER) { bev = bufferevent_socket_new(data->base, -1, client.flags); tt_assert(bev); bev = bufferevent_openssl_filter_new( base, bev, ssl, BUFFEREVENT_SSL_CONNECTING, client.flags); } else { bev = bufferevent_openssl_socket_new( data->base, -1, ssl, BUFFEREVENT_SSL_CONNECTING, client.flags); } tt_assert(bev); client.bev = bev; server.neighbour = &client; client.neighbour = &server; bufferevent_setwatermark(bev, EV_READ, 0, client.wm_high); bufferevent_setcb(bev, wm_transfer, NULL, wm_eventcb, &client); tt_assert(getsockname(evconnlistener_get_fd(listener), (struct sockaddr*)&ss, &slen) == 0); tt_assert(!bufferevent_socket_connect(bev, (struct sockaddr*)&ss, slen)); tt_assert(!evbuffer_add_buffer_reference(bufferevent_get_output(bev), client.data)); tt_assert(!bufferevent_enable(bev, EV_READ|EV_WRITE)); event_base_dispatch(base); tt_int_op(client.get, ==, client.limit); tt_int_op(server.get, ==, server.limit); end: free(payload); evbuffer_free(client.data); evbuffer_free(server.data); evconnlistener_free(listener); bufferevent_free(client.bev); bufferevent_free(server.bev); /* XXX: by some reason otherise there is a leak */ if (!(type & REGRESS_OPENSSL_FILTER)) event_base_loop(base, EVLOOP_ONCE); } struct testcase_t ssl_testcases[] = { #define T(a) ((void *)(a)) { "bufferevent_socketpair", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_SOCKETPAIR) }, { "bufferevent_socketpair_write_after_connect", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_SOCKETPAIR|REGRESS_OPENSSL_CLIENT_WRITE) }, { "bufferevent_filter", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_FILTER) }, { "bufferevent_filter_write_after_connect", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_FILTER|REGRESS_OPENSSL_CLIENT_WRITE) }, { "bufferevent_renegotiate_socketpair", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_RENEGOTIATE) }, { "bufferevent_renegotiate_filter", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_RENEGOTIATE) }, { "bufferevent_socketpair_startopen", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_OPEN) }, { "bufferevent_filter_startopen", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_OPEN) }, { "bufferevent_socketpair_dirty_shutdown", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_DIRTY_SHUTDOWN) }, { "bufferevent_filter_dirty_shutdown", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_DIRTY_SHUTDOWN) }, { "bufferevent_renegotiate_socketpair_dirty_shutdown", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_RENEGOTIATE | REGRESS_OPENSSL_DIRTY_SHUTDOWN) }, { "bufferevent_renegotiate_filter_dirty_shutdown", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_RENEGOTIATE | REGRESS_OPENSSL_DIRTY_SHUTDOWN) }, { "bufferevent_socketpair_startopen_dirty_shutdown", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_OPEN | REGRESS_OPENSSL_DIRTY_SHUTDOWN) }, { "bufferevent_filter_startopen_dirty_shutdown", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_OPEN | REGRESS_OPENSSL_DIRTY_SHUTDOWN) }, { "bufferevent_socketpair_fd", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_FD) }, { "bufferevent_socketpair_freed", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_FREED) }, { "bufferevent_socketpair_freed_fd", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_FREED | REGRESS_OPENSSL_FD) }, { "bufferevent_filter_freed_fd", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_FREED | REGRESS_OPENSSL_FD) }, { "bufferevent_socketpair_timeout", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_TIMEOUT) }, { "bufferevent_socketpair_timeout_freed_fd", regress_bufferevent_openssl, TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_TIMEOUT | REGRESS_OPENSSL_FREED | REGRESS_OPENSSL_FD) }, { "bufferevent_connect", regress_bufferevent_openssl_connect, TT_FORK|TT_NEED_BASE, &ssl_setup, NULL }, { "bufferevent_connect_sleep", regress_bufferevent_openssl_connect, TT_FORK|TT_NEED_BASE, &ssl_setup, T(REGRESS_OPENSSL_SLEEP) }, { "bufferevent_wm", regress_bufferevent_openssl_wm, TT_FORK|TT_NEED_BASE, &ssl_setup, NULL }, { "bufferevent_wm_filter", regress_bufferevent_openssl_wm, TT_FORK|TT_NEED_BASE, &ssl_setup, T(REGRESS_OPENSSL_FILTER) }, { "bufferevent_wm_defer", regress_bufferevent_openssl_wm, TT_FORK|TT_NEED_BASE, &ssl_setup, T(REGRESS_DEFERRED_CALLBACKS) }, { "bufferevent_wm_filter_defer", regress_bufferevent_openssl_wm, TT_FORK|TT_NEED_BASE, &ssl_setup, T(REGRESS_OPENSSL_FILTER|REGRESS_DEFERRED_CALLBACKS) }, #undef T END_OF_TESTCASES, }; lldpd-1.0.18/libevent/test/check-dumpevents.py0000755000076400001440000000301314111362571020545 0ustar00bernatusers#!/usr/bin/env python # # Post-process the output of test-dumpevents and check it for correctness. # import math import re import sys text = sys.stdin.readlines() try: expect_inserted_pos = text.index("Inserted:\n") expect_active_pos = text.index("Active:\n") got_inserted_pos = text.index("Inserted events:\n") got_active_pos = text.index("Active events:\n") except ValueError: sys.stderr.write("Missing expected dividing line in dumpevents output") sys.exit(1) if not (expect_inserted_pos < expect_active_pos < got_inserted_pos < got_active_pos): sys.stderr.write("Sections out of order in dumpevents output") sys.exit(1) now,T= text[1].split() T = float(T) want_inserted = set(text[expect_inserted_pos+1:expect_active_pos]) want_active = set(text[expect_active_pos+1:got_inserted_pos-1]) got_inserted = set(text[got_inserted_pos+1:got_active_pos]) got_active = set(text[got_active_pos+1:]) pat = re.compile(r'Timeout=([0-9\.]+)') def replace_time(m): t = float(m.group(1)) if .9 < abs(t-T) < 1.1: return "Timeout=T+1" elif 2.4 < abs(t-T) < 2.6: return "Timeout=T+2.5" else: return m.group(0) cleaned_inserted = set( pat.sub(replace_time, s) for s in got_inserted if "Internal" not in s) if cleaned_inserted != want_inserted: sys.stderr.write("Inserted event lists were not as expected!") sys.exit(1) if set(got_active) != set(want_active): sys.stderr.write("Active event lists were not as expected!") sys.exit(1) lldpd-1.0.18/libevent/test/test-dumpevents.c0000644000076400001440000001310214111362571020236 0ustar00bernatusers/* * Copyright (c) 2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "util-internal.h" #include "event2/event-config.h" #ifdef _WIN32 #include #include #else #include #endif #include #include #include static void sock_perror(const char *s) { #ifdef _WIN32 const char *err = evutil_socket_error_to_string(EVUTIL_SOCKET_ERROR()); fprintf(stderr, "%s: %s\n", s, err); #else perror(s); #endif } static void callback1(evutil_socket_t fd, short events, void *arg) { } static void callback2(evutil_socket_t fd, short events, void *arg) { } /* Testing code for event_base_dump_events(). Notes that just because we have code to exercise this function, doesn't mean that *ANYTHING* about the output format is guaranteed to remain in the future. */ int main(int argc, char **argv) { #define N_EVENTS 13 int i; struct event *ev[N_EVENTS]; evutil_socket_t pair1[2]; evutil_socket_t pair2[2]; struct timeval tv_onesec = {1,0}; struct timeval tv_two5sec = {2,500*1000}; const struct timeval *tv_onesec_common; const struct timeval *tv_two5sec_common; struct event_base *base; struct timeval now; #ifdef _WIN32 WORD wVersionRequested; WSADATA wsaData; wVersionRequested = MAKEWORD(2, 2); WSAStartup(wVersionRequested, &wsaData); #endif #ifdef _WIN32 #define LOCAL_SOCKETPAIR_AF AF_INET #else #define LOCAL_SOCKETPAIR_AF AF_UNIX #endif if (evutil_make_internal_pipe_(pair1) < 0 || evutil_make_internal_pipe_(pair2) < 0) { sock_perror("evutil_make_internal_pipe_"); return 1; } if (!(base = event_base_new())) { fprintf(stderr,"Couldn't make event_base\n"); return 2; } tv_onesec_common = event_base_init_common_timeout(base, &tv_onesec); tv_two5sec_common = event_base_init_common_timeout(base, &tv_two5sec); ev[0] = event_new(base, pair1[0], EV_WRITE, callback1, NULL); ev[1] = event_new(base, pair1[1], EV_READ|EV_PERSIST, callback1, NULL); ev[2] = event_new(base, pair2[0], EV_WRITE|EV_PERSIST, callback2, NULL); ev[3] = event_new(base, pair2[1], EV_READ, callback2, NULL); /* For timers */ ev[4] = evtimer_new(base, callback1, NULL); ev[5] = evtimer_new(base, callback1, NULL); ev[6] = evtimer_new(base, callback1, NULL); ev[7] = event_new(base, -1, EV_PERSIST, callback2, NULL); ev[8] = event_new(base, -1, EV_PERSIST, callback2, NULL); ev[9] = event_new(base, -1, EV_PERSIST, callback2, NULL); /* To activate */ ev[10] = event_new(base, -1, 0, callback1, NULL); ev[11] = event_new(base, -1, 0, callback2, NULL); /* Signals */ ev[12] = evsignal_new(base, SIGINT, callback2, NULL); event_add(ev[0], NULL); event_add(ev[1], &tv_onesec); event_add(ev[2], tv_onesec_common); event_add(ev[3], tv_two5sec_common); event_add(ev[4], tv_onesec_common); event_add(ev[5], tv_onesec_common); event_add(ev[6], &tv_onesec); event_add(ev[7], tv_two5sec_common); event_add(ev[8], tv_onesec_common); event_add(ev[9], &tv_two5sec); event_active(ev[10], EV_READ, 1); event_active(ev[11], EV_READ|EV_WRITE|EV_TIMEOUT, 1); event_active(ev[1], EV_READ, 1); event_add(ev[12], NULL); evutil_gettimeofday(&now,NULL); puts("=====expected"); printf("Now= %ld.%06d\n",(long)now.tv_sec,(int)now.tv_usec); puts("Inserted:"); printf(" %p [fd %ld] Write\n",ev[0],(long)pair1[0]); printf(" %p [fd %ld] Read Persist Timeout=T+1\n",ev[1],(long)pair1[1]); printf(" %p [fd %ld] Write Persist Timeout=T+1\n",ev[2],(long)pair2[0]); printf(" %p [fd %ld] Read Timeout=T+2.5\n",ev[3],(long)pair2[1]); printf(" %p [fd -1] Timeout=T+1\n",ev[4]); printf(" %p [fd -1] Timeout=T+1\n",ev[5]); printf(" %p [fd -1] Timeout=T+1\n",ev[6]); printf(" %p [fd -1] Persist Timeout=T+2.5\n",ev[7]); printf(" %p [fd -1] Persist Timeout=T+1\n",ev[8]); printf(" %p [fd -1] Persist Timeout=T+2.5\n",ev[9]); printf(" %p [sig %d] Signal Persist\n", ev[12], (int)SIGINT); puts("Active:"); printf(" %p [fd -1, priority=0] Read active\n", ev[10]); printf(" %p [fd -1, priority=0] Read Write Timeout active\n", ev[11]); printf(" %p [fd %ld, priority=0] Read active\n", ev[1], (long)pair1[1]); puts("======received"); event_base_dump_events(base, stdout); for (i = 0; i < N_EVENTS; ++i) { event_free(ev[i]); } event_base_free(base); return 0; } lldpd-1.0.18/libevent/test/test-fdleak.c0000644000076400001440000001554414111362571017306 0ustar00bernatusers/* * Copyright (c) 2012 Ross Lagerwall * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #ifdef _WIN32 #define WIN32_LEAN_AND_MEAN #include #endif #include #include #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #ifdef EVENT__HAVE_SYS_RESOURCE_H #include #endif #ifdef EVENT__HAVE_NETINET_IN_H #include #endif #include "event2/event.h" #include "event2/bufferevent.h" #include "event2/buffer.h" #include "event2/listener.h" /* Number of requests to make. Setting this too high might result in the machine running out of ephemeral ports */ #ifdef _WIN32 #define MAX_REQUESTS 1000 #else #define MAX_REQUESTS 4000 #endif /* Provide storage for the address, both for the server & the clients */ static struct sockaddr_in saddr; /* Number of sucessful requests so far */ static int num_requests; static void start_client(struct event_base *base); static void my_perror(const char *s) { fprintf(stderr, "%s: %s", s, evutil_socket_error_to_string(EVUTIL_SOCKET_ERROR())); } /* =============================================== Server functions =============================================== */ /* Read a byte from the client and write it back */ static void server_read_cb(struct bufferevent *bev, void *ctx) { while (evbuffer_get_length(bufferevent_get_input(bev))) { unsigned char tmp; bufferevent_read(bev, &tmp, 1); bufferevent_write(bev, &tmp, 1); } } /* Wait for an EOF and then free the bufferevent */ static void server_event_cb(struct bufferevent *bev, short events, void *ctx) { if (events & BEV_EVENT_ERROR) { my_perror("Error from bufferevent"); exit(1); } else if (events & BEV_EVENT_EOF) { bufferevent_free(bev); if (num_requests == MAX_REQUESTS) { event_base_loopbreak(bufferevent_get_base(bev)); } } } /* Accept a client socket and set it up to for reading & writing */ static void listener_accept_cb(struct evconnlistener *listener, evutil_socket_t sock, struct sockaddr *addr, int len, void *ptr) { struct event_base *base = evconnlistener_get_base(listener); struct bufferevent *bev = bufferevent_socket_new(base, sock, BEV_OPT_CLOSE_ON_FREE); bufferevent_setcb(bev, server_read_cb, NULL, server_event_cb, NULL); bufferevent_enable(bev, EV_READ|EV_WRITE); } /* Start the server listening on a random port and start the first client. */ static void start_loop(void) { struct event_base *base; struct evconnlistener *listener; struct sockaddr_storage ss; ev_socklen_t socklen = sizeof(ss); evutil_socket_t fd; base = event_base_new(); if (base == NULL) { puts("Could not open event base!"); exit(1); } listener = evconnlistener_new_bind(base, listener_accept_cb, NULL, LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE, -1, (struct sockaddr *)&saddr, sizeof(saddr)); if (listener == NULL) { my_perror("Could not create listener!"); exit(1); } fd = evconnlistener_get_fd(listener); if (fd < 0) { puts("Couldn't get fd from listener"); exit(1); } if (getsockname(fd, (struct sockaddr *)&ss, &socklen) < 0) { my_perror("getsockname()"); exit(1); } memcpy(&saddr, &ss, sizeof(saddr)); if (saddr.sin_family != AF_INET) { puts("AF mismatch from getsockname()."); exit(1); } start_client(base); event_base_dispatch(base); evconnlistener_free(listener); event_base_free(base); } /* =============================================== Client functions =============================================== */ /* Check that the server sends back the same byte that the client sent. If MAX_REQUESTS have been reached, exit. Otherwise, start another client. */ static void client_read_cb(struct bufferevent *bev, void *ctx) { unsigned char tmp; struct event_base *base = bufferevent_get_base(bev); bufferevent_read(bev, &tmp, 1); if (tmp != 'A') { puts("Incorrect data received!"); exit(2); } bufferevent_free(bev); num_requests++; if (++num_requests < MAX_REQUESTS) { start_client(base); } } /* Send a byte to the server. */ static void client_event_cb(struct bufferevent *bev, short events, void *ctx) { if (events & BEV_EVENT_CONNECTED) { unsigned char tmp = 'A'; bufferevent_write(bev, &tmp, 1); } else if (events & BEV_EVENT_ERROR) { puts("Client socket got error!"); exit(2); } bufferevent_enable(bev, EV_READ); } /* Open a client socket to connect to localhost on sin */ static void start_client(struct event_base *base) { struct bufferevent *bev = bufferevent_socket_new(base, -1, BEV_OPT_CLOSE_ON_FREE); bufferevent_setcb(bev, client_read_cb, NULL, client_event_cb, NULL); if (bufferevent_socket_connect(bev, (struct sockaddr *)&saddr, sizeof(saddr)) < 0) { my_perror("Could not connect!"); bufferevent_free(bev); exit(2); } } int main(int argc, char **argv) { #ifdef EVENT__HAVE_SETRLIMIT /* Set the fd limit to a low value so that any fd leak is caught without making many requests. */ struct rlimit rl; rl.rlim_cur = rl.rlim_max = 20; if (setrlimit(RLIMIT_NOFILE, &rl) == -1) { my_perror("setrlimit"); exit(3); } #endif #ifdef _WIN32 WSADATA WSAData; WSAStartup(0x101, &WSAData); #endif /* Set up an address, used by both client & server. */ memset(&saddr, 0, sizeof(saddr)); saddr.sin_family = AF_INET; saddr.sin_addr.s_addr = htonl(0x7f000001); saddr.sin_port = 0; /* Tell the implementation to pick a port. */ start_loop(); return 0; } /* XXX why does this test cause so much latency sometimes (OSX 10.5)? */ lldpd-1.0.18/libevent/test/regress.gen.h0000644000076400001440000000003114143725025017315 0ustar00bernatusers#define NO_PYTHON_EXISTS lldpd-1.0.18/libevent/test/test-closed.c0000644000076400001440000000640714111362571017327 0ustar00bernatusers/* * Copyright (c) 2002-2007 Niels Provos * Copyright (c) 2007-2013 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "../util-internal.h" #include "event2/event-config.h" #ifdef _WIN32 #include #else #include #endif #include #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #ifdef EVENT__HAVE_SYS_SOCKET_H #include #endif #include #include #include #include #include #include #include struct timeval timeout = {3, 0}; static void closed_cb(evutil_socket_t fd, short event, void *arg) { if (EV_TIMEOUT & event) { printf("%s: Timeout!\n", __func__); exit(1); } if (EV_CLOSED & event) { printf("%s: detected socket close with success\n", __func__); return; } printf("%s: unable to detect socket close\n", __func__); exit(1); } int main(int argc, char **argv) { struct event_base *base; struct event_config *cfg; struct event *ev; const char *test = "test string"; evutil_socket_t pair[2]; /* Initialize the library and check if the backend supports EV_FEATURE_EARLY_CLOSE */ cfg = event_config_new(); event_config_require_features(cfg, EV_FEATURE_EARLY_CLOSE); base = event_base_new_with_config(cfg); event_config_free(cfg); if (!base) { /* Backend doesn't support EV_FEATURE_EARLY_CLOSE */ return 0; } /* Create a pair of sockets */ if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1) return (1); /* Send some data on socket 0 and immediately close it */ if (send(pair[0], test, (int)strlen(test)+1, 0) < 0) return (1); shutdown(pair[0], EVUTIL_SHUT_WR); /* Dispatch */ ev = event_new(base, pair[1], EV_CLOSED | EV_TIMEOUT, closed_cb, event_self_cbarg()); event_add(ev, &timeout); event_base_dispatch(base); /* Finalize library */ event_free(ev); event_base_free(base); return 0; } lldpd-1.0.18/libevent/test/regress_dns.c0000644000076400001440000021470014111362571017414 0ustar00bernatusers/* * Copyright (c) 2003-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "../util-internal.h" #ifdef _WIN32 #include #include #include #endif #include "event2/event-config.h" #include #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #ifndef _WIN32 #include #include #include #include #include #endif #ifdef EVENT__HAVE_NETINET_IN6_H #include #endif #ifdef HAVE_NETDB_H #include #endif #include #include #include #include #include #ifdef EVENT__HAVE_SYS_RESOURCE_H #include #endif #include "event2/dns.h" #include "event2/dns_compat.h" #include "event2/dns_struct.h" #include "event2/event.h" #include "event2/event_compat.h" #include "event2/event_struct.h" #include "event2/util.h" #include "event2/listener.h" #include "event2/bufferevent.h" #include #include "log-internal.h" #include "evthread-internal.h" #include "regress.h" #include "regress_testutils.h" #include "regress_thread.h" #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) static int dns_ok = 0; static int dns_got_cancel = 0; static int dns_err = 0; static void dns_gethostbyname_cb(int result, char type, int count, int ttl, void *addresses, void *arg) { dns_ok = dns_err = 0; if (result == DNS_ERR_TIMEOUT) { printf("[Timed out] "); dns_err = result; goto out; } if (result != DNS_ERR_NONE) { printf("[Error code %d] ", result); goto out; } TT_BLATHER(("type: %d, count: %d, ttl: %d: ", type, count, ttl)); switch (type) { case DNS_IPv6_AAAA: { #if defined(EVENT__HAVE_STRUCT_IN6_ADDR) && defined(EVENT__HAVE_INET_NTOP) && defined(INET6_ADDRSTRLEN) struct in6_addr *in6_addrs = addresses; char buf[INET6_ADDRSTRLEN+1]; int i; /* a resolution that's not valid does not help */ if (ttl < 0) goto out; for (i = 0; i < count; ++i) { const char *b = evutil_inet_ntop(AF_INET6, &in6_addrs[i], buf,sizeof(buf)); if (b) TT_BLATHER(("%s ", b)); else TT_BLATHER(("%s ", strerror(errno))); } #endif break; } case DNS_IPv4_A: { struct in_addr *in_addrs = addresses; int i; /* a resolution that's not valid does not help */ if (ttl < 0) goto out; for (i = 0; i < count; ++i) TT_BLATHER(("%s ", inet_ntoa(in_addrs[i]))); break; } case DNS_PTR: /* may get at most one PTR */ if (count != 1) goto out; TT_BLATHER(("%s ", *(char **)addresses)); break; default: goto out; } dns_ok = type; out: if (arg == NULL) event_loopexit(NULL); else event_base_loopexit((struct event_base *)arg, NULL); } static void dns_gethostbyname(void) { dns_ok = 0; evdns_resolve_ipv4("www.monkey.org", 0, dns_gethostbyname_cb, NULL); event_dispatch(); tt_int_op(dns_ok, ==, DNS_IPv4_A); test_ok = dns_ok; end: ; } static void dns_gethostbyname6(void) { dns_ok = 0; evdns_resolve_ipv6("www.ietf.org", 0, dns_gethostbyname_cb, NULL); event_dispatch(); if (!dns_ok && dns_err == DNS_ERR_TIMEOUT) { tt_skip(); } tt_int_op(dns_ok, ==, DNS_IPv6_AAAA); test_ok = 1; end: ; } static void dns_gethostbyaddr(void) { struct in_addr in; in.s_addr = htonl(0x7f000001ul); /* 127.0.0.1 */ dns_ok = 0; evdns_resolve_reverse(&in, 0, dns_gethostbyname_cb, NULL); event_dispatch(); tt_int_op(dns_ok, ==, DNS_PTR); test_ok = dns_ok; end: ; } static void dns_resolve_reverse(void *ptr) { struct in_addr in; struct event_base *base = event_base_new(); struct evdns_base *dns = evdns_base_new(base, EVDNS_BASE_INITIALIZE_NAMESERVERS); struct evdns_request *req = NULL; tt_assert(base); tt_assert(dns); in.s_addr = htonl(0x7f000001ul); /* 127.0.0.1 */ dns_ok = 0; req = evdns_base_resolve_reverse( dns, &in, 0, dns_gethostbyname_cb, base); tt_assert(req); event_base_dispatch(base); tt_int_op(dns_ok, ==, DNS_PTR); end: if (dns) evdns_base_free(dns, 0); if (base) event_base_free(base); } static int n_server_responses = 0; static void dns_server_request_cb(struct evdns_server_request *req, void *data) { int i, r; const char TEST_ARPA[] = "11.11.168.192.in-addr.arpa"; const char TEST_IN6[] = "f.e.f.e." "0.0.0.0." "0.0.0.0." "1.1.1.1." "a.a.a.a." "0.0.0.0." "0.0.0.0." "0.f.f.f.ip6.arpa"; for (i = 0; i < req->nquestions; ++i) { const int qtype = req->questions[i]->type; const int qclass = req->questions[i]->dns_question_class; const char *qname = req->questions[i]->name; struct in_addr ans; ans.s_addr = htonl(0xc0a80b0bUL); /* 192.168.11.11 */ if (qtype == EVDNS_TYPE_A && qclass == EVDNS_CLASS_INET && !evutil_ascii_strcasecmp(qname, "zz.example.com")) { r = evdns_server_request_add_a_reply(req, qname, 1, &ans.s_addr, 12345); if (r<0) dns_ok = 0; } else if (qtype == EVDNS_TYPE_AAAA && qclass == EVDNS_CLASS_INET && !evutil_ascii_strcasecmp(qname, "zz.example.com")) { char addr6[17] = "abcdefghijklmnop"; r = evdns_server_request_add_aaaa_reply(req, qname, 1, addr6, 123); if (r<0) dns_ok = 0; } else if (qtype == EVDNS_TYPE_PTR && qclass == EVDNS_CLASS_INET && !evutil_ascii_strcasecmp(qname, TEST_ARPA)) { r = evdns_server_request_add_ptr_reply(req, NULL, qname, "ZZ.EXAMPLE.COM", 54321); if (r<0) dns_ok = 0; } else if (qtype == EVDNS_TYPE_PTR && qclass == EVDNS_CLASS_INET && !evutil_ascii_strcasecmp(qname, TEST_IN6)){ r = evdns_server_request_add_ptr_reply(req, NULL, qname, "ZZ-INET6.EXAMPLE.COM", 54322); if (r<0) dns_ok = 0; } else if (qtype == EVDNS_TYPE_A && qclass == EVDNS_CLASS_INET && !evutil_ascii_strcasecmp(qname, "drop.example.com")) { if (evdns_server_request_drop(req)<0) dns_ok = 0; return; } else { printf("Unexpected question %d %d \"%s\" ", qtype, qclass, qname); dns_ok = 0; } } r = evdns_server_request_respond(req, 0); if (r<0) { printf("Couldn't send reply. "); dns_ok = 0; } } static void dns_server_gethostbyname_cb(int result, char type, int count, int ttl, void *addresses, void *arg) { if (result == DNS_ERR_CANCEL) { if (arg != (void*)(char*)90909) { printf("Unexpected cancelation"); dns_ok = 0; } dns_got_cancel = 1; goto out; } if (result != DNS_ERR_NONE) { printf("Unexpected result %d. ", result); dns_ok = 0; goto out; } if (count != 1) { printf("Unexpected answer count %d. ", count); dns_ok = 0; goto out; } switch (type) { case DNS_IPv4_A: { struct in_addr *in_addrs = addresses; if (in_addrs[0].s_addr != htonl(0xc0a80b0bUL) || ttl != 12345) { printf("Bad IPv4 response \"%s\" %d. ", inet_ntoa(in_addrs[0]), ttl); dns_ok = 0; goto out; } break; } case DNS_IPv6_AAAA: { #if defined (EVENT__HAVE_STRUCT_IN6_ADDR) && defined(EVENT__HAVE_INET_NTOP) && defined(INET6_ADDRSTRLEN) struct in6_addr *in6_addrs = addresses; char buf[INET6_ADDRSTRLEN+1]; if (memcmp(&in6_addrs[0].s6_addr, "abcdefghijklmnop", 16) || ttl != 123) { const char *b = evutil_inet_ntop(AF_INET6, &in6_addrs[0],buf,sizeof(buf)); printf("Bad IPv6 response \"%s\" %d. ", b, ttl); dns_ok = 0; goto out; } #endif break; } case DNS_PTR: { char **addrs = addresses; if (arg != (void*)6) { if (strcmp(addrs[0], "ZZ.EXAMPLE.COM") || ttl != 54321) { printf("Bad PTR response \"%s\" %d. ", addrs[0], ttl); dns_ok = 0; goto out; } } else { if (strcmp(addrs[0], "ZZ-INET6.EXAMPLE.COM") || ttl != 54322) { printf("Bad ipv6 PTR response \"%s\" %d. ", addrs[0], ttl); dns_ok = 0; goto out; } } break; } default: printf("Bad response type %d. ", type); dns_ok = 0; } out: if (++n_server_responses == 3) { event_loopexit(NULL); } } static void dns_server(void) { evutil_socket_t sock=-1; struct sockaddr_in my_addr; struct sockaddr_storage ss; ev_socklen_t slen; struct evdns_server_port *port=NULL; struct in_addr resolve_addr; struct in6_addr resolve_addr6; struct evdns_base *base=NULL; struct evdns_request *req=NULL; dns_ok = 1; base = evdns_base_new(NULL, 0); /* Now configure a nameserver port. */ sock = socket(AF_INET, SOCK_DGRAM, 0); if (sock<0) { tt_abort_perror("socket"); } evutil_make_socket_nonblocking(sock); memset(&my_addr, 0, sizeof(my_addr)); my_addr.sin_family = AF_INET; my_addr.sin_port = 0; /* kernel picks */ my_addr.sin_addr.s_addr = htonl(0x7f000001UL); if (bind(sock, (struct sockaddr*)&my_addr, sizeof(my_addr)) < 0) { tt_abort_perror("bind"); } slen = sizeof(ss); if (getsockname(sock, (struct sockaddr*)&ss, &slen) < 0) { tt_abort_perror("getsockname"); } port = evdns_add_server_port(sock, 0, dns_server_request_cb, NULL); /* Add ourself as the only nameserver, and make sure we really are * the only nameserver. */ evdns_base_nameserver_sockaddr_add(base, (struct sockaddr*)&ss, slen, 0); tt_int_op(evdns_base_count_nameservers(base), ==, 1); { struct sockaddr_storage ss2; int slen2; memset(&ss2, 0, sizeof(ss2)); slen2 = evdns_base_get_nameserver_addr(base, 0, (struct sockaddr *)&ss2, 3); tt_int_op(slen2, ==, slen); tt_int_op(ss2.ss_family, ==, 0); slen2 = evdns_base_get_nameserver_addr(base, 0, (struct sockaddr *)&ss2, sizeof(ss2)); tt_int_op(slen2, ==, slen); tt_mem_op(&ss2, ==, &ss, slen); slen2 = evdns_base_get_nameserver_addr(base, 1, (struct sockaddr *)&ss2, sizeof(ss2)); tt_int_op(-1, ==, slen2); } /* Send some queries. */ evdns_base_resolve_ipv4(base, "zz.example.com", DNS_QUERY_NO_SEARCH, dns_server_gethostbyname_cb, NULL); evdns_base_resolve_ipv6(base, "zz.example.com", DNS_QUERY_NO_SEARCH, dns_server_gethostbyname_cb, NULL); resolve_addr.s_addr = htonl(0xc0a80b0bUL); /* 192.168.11.11 */ evdns_base_resolve_reverse(base, &resolve_addr, 0, dns_server_gethostbyname_cb, NULL); memcpy(resolve_addr6.s6_addr, "\xff\xf0\x00\x00\x00\x00\xaa\xaa" "\x11\x11\x00\x00\x00\x00\xef\xef", 16); evdns_base_resolve_reverse_ipv6(base, &resolve_addr6, 0, dns_server_gethostbyname_cb, (void*)6); req = evdns_base_resolve_ipv4(base, "drop.example.com", DNS_QUERY_NO_SEARCH, dns_server_gethostbyname_cb, (void*)(char*)90909); evdns_cancel_request(base, req); event_dispatch(); tt_assert(dns_got_cancel); test_ok = dns_ok; end: if (port) evdns_close_server_port(port); if (sock >= 0) evutil_closesocket(sock); if (base) evdns_base_free(base, 0); } static int n_replies_left; static struct event_base *exit_base; static struct evdns_server_port *exit_port; struct generic_dns_callback_result { int result; char type; int count; int ttl; size_t addrs_len; void *addrs; char addrs_buf[256]; }; static void generic_dns_callback(int result, char type, int count, int ttl, void *addresses, void *arg) { size_t len; struct generic_dns_callback_result *res = arg; res->result = result; res->type = type; res->count = count; res->ttl = ttl; if (type == DNS_IPv4_A) len = count * 4; else if (type == DNS_IPv6_AAAA) len = count * 16; else if (type == DNS_PTR) len = strlen(addresses)+1; else { res->addrs_len = len = 0; res->addrs = NULL; } if (len) { res->addrs_len = len; if (len > 256) len = 256; memcpy(res->addrs_buf, addresses, len); res->addrs = res->addrs_buf; } --n_replies_left; if (n_replies_left == 0) { if (exit_port) { evdns_close_server_port(exit_port); exit_port = NULL; } else event_base_loopexit(exit_base, NULL); } } static struct regress_dns_server_table search_table[] = { { "host.a.example.com", "err", "3", 0, 0 }, { "host.b.example.com", "err", "3", 0, 0 }, { "host.c.example.com", "A", "11.22.33.44", 0, 0 }, { "host2.a.example.com", "err", "3", 0, 0 }, { "host2.b.example.com", "A", "200.100.0.100", 0, 0 }, { "host2.c.example.com", "err", "3", 0, 0 }, { "hostn.a.example.com", "errsoa", "0", 0, 0 }, { "hostn.b.example.com", "errsoa", "3", 0, 0 }, { "hostn.c.example.com", "err", "0", 0, 0 }, { "host", "err", "3", 0, 0 }, { "host2", "err", "3", 0, 0 }, { "*", "err", "3", 0, 0 }, { NULL, NULL, NULL, 0, 0 } }; static void dns_search_test_impl(void *arg, int lower) { struct regress_dns_server_table table[ARRAY_SIZE(search_table)]; struct basic_test_data *data = arg; struct event_base *base = data->base; struct evdns_base *dns = NULL; ev_uint16_t portnum = 0; char buf[64]; struct generic_dns_callback_result r[8]; size_t i; for (i = 0; i < ARRAY_SIZE(table); ++i) { table[i] = search_table[i]; table[i].lower = lower; } tt_assert(regress_dnsserver(base, &portnum, table)); evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum); dns = evdns_base_new(base, 0); tt_assert(!evdns_base_nameserver_ip_add(dns, buf)); evdns_base_search_add(dns, "a.example.com"); evdns_base_search_add(dns, "b.example.com"); evdns_base_search_add(dns, "c.example.com"); n_replies_left = ARRAY_SIZE(r); exit_base = base; evdns_base_resolve_ipv4(dns, "host", 0, generic_dns_callback, &r[0]); evdns_base_resolve_ipv4(dns, "host2", 0, generic_dns_callback, &r[1]); evdns_base_resolve_ipv4(dns, "host", DNS_NO_SEARCH, generic_dns_callback, &r[2]); evdns_base_resolve_ipv4(dns, "host2", DNS_NO_SEARCH, generic_dns_callback, &r[3]); evdns_base_resolve_ipv4(dns, "host3", 0, generic_dns_callback, &r[4]); evdns_base_resolve_ipv4(dns, "hostn.a.example.com", DNS_NO_SEARCH, generic_dns_callback, &r[5]); evdns_base_resolve_ipv4(dns, "hostn.b.example.com", DNS_NO_SEARCH, generic_dns_callback, &r[6]); evdns_base_resolve_ipv4(dns, "hostn.c.example.com", DNS_NO_SEARCH, generic_dns_callback, &r[7]); event_base_dispatch(base); tt_int_op(r[0].type, ==, DNS_IPv4_A); tt_int_op(r[0].count, ==, 1); tt_int_op(((ev_uint32_t*)r[0].addrs)[0], ==, htonl(0x0b16212c)); tt_int_op(r[1].type, ==, DNS_IPv4_A); tt_int_op(r[1].count, ==, 1); tt_int_op(((ev_uint32_t*)r[1].addrs)[0], ==, htonl(0xc8640064)); tt_int_op(r[2].result, ==, DNS_ERR_NOTEXIST); tt_int_op(r[3].result, ==, DNS_ERR_NOTEXIST); tt_int_op(r[4].result, ==, DNS_ERR_NOTEXIST); tt_int_op(r[5].result, ==, DNS_ERR_NODATA); tt_int_op(r[5].ttl, ==, 42); tt_int_op(r[6].result, ==, DNS_ERR_NOTEXIST); tt_int_op(r[6].ttl, ==, 42); tt_int_op(r[7].result, ==, DNS_ERR_NODATA); tt_int_op(r[7].ttl, ==, 0); end: if (dns) evdns_base_free(dns, 0); regress_clean_dnsserver(); } static void dns_search_empty_test(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evdns_base *dns = NULL; dns = evdns_base_new(base, 0); evdns_base_search_add(dns, "whatever.example.com"); n_replies_left = 1; exit_base = base; tt_ptr_op(evdns_base_resolve_ipv4(dns, "", 0, generic_dns_callback, NULL), ==, NULL); end: if (dns) evdns_base_free(dns, 0); } static void dns_search_test(void *arg) { dns_search_test_impl(arg, 0); } static void dns_search_lower_test(void *arg) { dns_search_test_impl(arg, 1); } static int request_count = 0; static struct evdns_request *current_req = NULL; static void search_cancel_server_cb(struct evdns_server_request *req, void *data) { const char *question; if (req->nquestions != 1) TT_DIE(("Only handling one question at a time; got %d", req->nquestions)); question = req->questions[0]->name; TT_BLATHER(("got question, %s", question)); tt_assert(request_count > 0); tt_assert(!evdns_server_request_respond(req, 3)); if (!--request_count) evdns_cancel_request(NULL, current_req); end: ; } static void dns_search_cancel_test(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evdns_base *dns = NULL; struct evdns_server_port *port = NULL; ev_uint16_t portnum = 0; struct generic_dns_callback_result r1; char buf[64]; port = regress_get_dnsserver(base, &portnum, NULL, search_cancel_server_cb, NULL); tt_assert(port); evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum); dns = evdns_base_new(base, 0); tt_assert(!evdns_base_nameserver_ip_add(dns, buf)); evdns_base_search_add(dns, "a.example.com"); evdns_base_search_add(dns, "b.example.com"); evdns_base_search_add(dns, "c.example.com"); evdns_base_search_add(dns, "d.example.com"); exit_base = base; request_count = 3; n_replies_left = 1; current_req = evdns_base_resolve_ipv4(dns, "host", 0, generic_dns_callback, &r1); event_base_dispatch(base); tt_int_op(r1.result, ==, DNS_ERR_CANCEL); end: if (port) evdns_close_server_port(port); if (dns) evdns_base_free(dns, 0); } static void fail_server_cb(struct evdns_server_request *req, void *data) { const char *question; int *count = data; struct in_addr in; /* Drop the first N requests that we get. */ if (*count > 0) { --*count; tt_want(! evdns_server_request_drop(req)); return; } if (req->nquestions != 1) TT_DIE(("Only handling one question at a time; got %d", req->nquestions)); question = req->questions[0]->name; if (!evutil_ascii_strcasecmp(question, "google.com")) { /* Detect a probe, and get out of the loop. */ event_base_loopexit(exit_base, NULL); } tt_assert(evutil_inet_pton(AF_INET, "16.32.64.128", &in)); evdns_server_request_add_a_reply(req, question, 1, &in.s_addr, 100); tt_assert(! evdns_server_request_respond(req, 0)) return; end: tt_want(! evdns_server_request_drop(req)); } static void dns_retry_test_impl(void *arg, int flags) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evdns_server_port *port = NULL; struct evdns_base *dns = NULL; int drop_count = 2; ev_uint16_t portnum = 0; char buf[64]; struct generic_dns_callback_result r1; port = regress_get_dnsserver(base, &portnum, NULL, fail_server_cb, &drop_count); tt_assert(port); evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum); dns = evdns_base_new(base, flags); tt_assert(!evdns_base_nameserver_ip_add(dns, buf)); tt_assert(! evdns_base_set_option(dns, "timeout", "0.2")); tt_assert(! evdns_base_set_option(dns, "max-timeouts:", "10")); tt_assert(! evdns_base_set_option(dns, "initial-probe-timeout", "0.1")); evdns_base_resolve_ipv4(dns, "host.example.com", 0, generic_dns_callback, &r1); n_replies_left = 1; exit_base = base; event_base_dispatch(base); tt_int_op(drop_count, ==, 0); tt_int_op(r1.type, ==, DNS_IPv4_A); tt_int_op(r1.count, ==, 1); tt_int_op(((ev_uint32_t*)r1.addrs)[0], ==, htonl(0x10204080)); /* Now try again, but this time have the server get treated as * failed, so we can send it a test probe. */ drop_count = 4; tt_assert(! evdns_base_set_option(dns, "max-timeouts:", "2")); tt_assert(! evdns_base_set_option(dns, "attempts:", "3")); memset(&r1, 0, sizeof(r1)); evdns_base_resolve_ipv4(dns, "host.example.com", 0, generic_dns_callback, &r1); n_replies_left = 2; /* This will run until it answers the "google.com" probe request. */ event_base_dispatch(base); /* We'll treat the server as failed here. */ tt_int_op(r1.result, ==, DNS_ERR_TIMEOUT); /* It should work this time. */ tt_int_op(drop_count, ==, 0); evdns_base_resolve_ipv4(dns, "host.example.com", 0, generic_dns_callback, &r1); event_base_dispatch(base); tt_int_op(r1.result, ==, DNS_ERR_NONE); tt_int_op(r1.type, ==, DNS_IPv4_A); tt_int_op(r1.count, ==, 1); tt_int_op(((ev_uint32_t*)r1.addrs)[0], ==, htonl(0x10204080)); end: if (dns) evdns_base_free(dns, 0); if (port) evdns_close_server_port(port); } static void dns_retry_test(void *arg) { dns_retry_test_impl(arg, 0); } static void dns_retry_disable_when_inactive_test(void *arg) { dns_retry_test_impl(arg, EVDNS_BASE_DISABLE_WHEN_INACTIVE); } static struct regress_dns_server_table internal_error_table[] = { /* Error 4 (NOTIMPL) makes us reissue the request to another server if we can. XXXX we should reissue under a much wider set of circumstances! */ { "foof.example.com", "err", "4", 0, 0 }, { NULL, NULL, NULL, 0, 0 } }; static struct regress_dns_server_table reissue_table[] = { { "foof.example.com", "A", "240.15.240.15", 0, 0 }, { NULL, NULL, NULL, 0, 0 } }; static void dns_reissue_test_impl(void *arg, int flags) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evdns_server_port *port1 = NULL, *port2 = NULL; struct evdns_base *dns = NULL; struct generic_dns_callback_result r1; ev_uint16_t portnum1 = 0, portnum2=0; char buf1[64], buf2[64]; port1 = regress_get_dnsserver(base, &portnum1, NULL, regress_dns_server_cb, internal_error_table); tt_assert(port1); port2 = regress_get_dnsserver(base, &portnum2, NULL, regress_dns_server_cb, reissue_table); tt_assert(port2); evutil_snprintf(buf1, sizeof(buf1), "127.0.0.1:%d", (int)portnum1); evutil_snprintf(buf2, sizeof(buf2), "127.0.0.1:%d", (int)portnum2); dns = evdns_base_new(base, flags); tt_assert(!evdns_base_nameserver_ip_add(dns, buf1)); tt_assert(! evdns_base_set_option(dns, "timeout:", "0.3")); tt_assert(! evdns_base_set_option(dns, "max-timeouts:", "2")); tt_assert(! evdns_base_set_option(dns, "attempts:", "5")); memset(&r1, 0, sizeof(r1)); evdns_base_resolve_ipv4(dns, "foof.example.com", 0, generic_dns_callback, &r1); /* Add this after, so that we are sure to get a reissue. */ tt_assert(!evdns_base_nameserver_ip_add(dns, buf2)); n_replies_left = 1; exit_base = base; event_base_dispatch(base); tt_int_op(r1.result, ==, DNS_ERR_NONE); tt_int_op(r1.type, ==, DNS_IPv4_A); tt_int_op(r1.count, ==, 1); tt_int_op(((ev_uint32_t*)r1.addrs)[0], ==, htonl(0xf00ff00f)); /* Make sure we dropped at least once. */ tt_int_op(internal_error_table[0].seen, >, 0); end: if (dns) evdns_base_free(dns, 0); if (port1) evdns_close_server_port(port1); if (port2) evdns_close_server_port(port2); } static void dns_reissue_test(void *arg) { dns_reissue_test_impl(arg, 0); } static void dns_reissue_disable_when_inactive_test(void *arg) { dns_reissue_test_impl(arg, EVDNS_BASE_DISABLE_WHEN_INACTIVE); } #if 0 static void dumb_bytes_fn(char *p, size_t n) { unsigned i; /* This gets us 6 bits of entropy per transaction ID, which means we * will have probably have collisions and need to pick again. */ for (i=0;ibase; struct evdns_base *dns = NULL; struct evdns_server_port *dns_port = NULL; ev_uint16_t portnum = 0; char buf[64]; int disable_when_inactive = flags & EVDNS_BASE_DISABLE_WHEN_INACTIVE; struct generic_dns_callback_result r[20]; int i; dns_port = regress_get_dnsserver(base, &portnum, NULL, regress_dns_server_cb, reissue_table); tt_assert(dns_port); if (disable_when_inactive) { exit_port = dns_port; } evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum); dns = evdns_base_new(base, flags); tt_assert(!evdns_base_nameserver_ip_add(dns, buf)); tt_assert(! evdns_base_set_option(dns, "max-inflight:", "3")); tt_assert(! evdns_base_set_option(dns, "randomize-case:", "0")); for (i=0;i<20;++i) evdns_base_resolve_ipv4(dns, "foof.example.com", 0, generic_dns_callback, &r[i]); n_replies_left = 20; exit_base = base; event_base_dispatch(base); for (i=0;i<20;++i) { tt_int_op(r[i].type, ==, DNS_IPv4_A); tt_int_op(r[i].count, ==, 1); tt_int_op(((ev_uint32_t*)r[i].addrs)[0], ==, htonl(0xf00ff00f)); } end: if (dns) evdns_base_free(dns, 0); if (exit_port) { evdns_close_server_port(exit_port); exit_port = NULL; } else if (! disable_when_inactive) { evdns_close_server_port(dns_port); } } static void dns_inflight_test(void *arg) { dns_inflight_test_impl(arg, 0); } static void dns_disable_when_inactive_test(void *arg) { dns_inflight_test_impl(arg, EVDNS_BASE_DISABLE_WHEN_INACTIVE); } static void dns_disable_when_inactive_no_ns_test(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base, *inactive_base; struct evdns_base *dns = NULL; ev_uint16_t portnum = 0; char buf[64]; struct generic_dns_callback_result r; inactive_base = event_base_new(); tt_assert(inactive_base); /** Create dns server with inactive base, to avoid replying to clients */ tt_assert(regress_dnsserver(inactive_base, &portnum, search_table)); evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum); dns = evdns_base_new(base, EVDNS_BASE_DISABLE_WHEN_INACTIVE); tt_assert(!evdns_base_nameserver_ip_add(dns, buf)); tt_assert(! evdns_base_set_option(dns, "timeout:", "0.1")); evdns_base_resolve_ipv4(dns, "foof.example.com", 0, generic_dns_callback, &r); n_replies_left = 1; exit_base = base; event_base_dispatch(base); tt_int_op(n_replies_left, ==, 0); tt_int_op(r.result, ==, DNS_ERR_TIMEOUT); tt_int_op(r.count, ==, 0); tt_ptr_op(r.addrs, ==, NULL); end: if (dns) evdns_base_free(dns, 0); regress_clean_dnsserver(); if (inactive_base) event_base_free(inactive_base); } static void dns_initialize_nameservers_test(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evdns_base *dns = NULL; dns = evdns_base_new(base, 0); tt_assert(dns); tt_int_op(evdns_base_get_nameserver_addr(dns, 0, NULL, 0), ==, -1); evdns_base_free(dns, 0); dns = evdns_base_new(base, EVDNS_BASE_INITIALIZE_NAMESERVERS); tt_assert(dns); tt_int_op(evdns_base_get_nameserver_addr(dns, 0, NULL, 0), ==, sizeof(struct sockaddr)); end: if (dns) evdns_base_free(dns, 0); } #ifndef _WIN32 #define RESOLV_FILE "empty-resolv.conf" static void dns_nameservers_no_default_test(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evdns_base *dns = NULL; int ok = access(RESOLV_FILE, R_OK); tt_assert(ok); dns = evdns_base_new(base, 0); tt_assert(dns); tt_int_op(evdns_base_get_nameserver_addr(dns, 0, NULL, 0), ==, -1); /* We cannot test * EVDNS_BASE_INITIALIZE_NAMESERVERS|EVDNS_BASE_NAMESERVERS_NO_DEFAULT * because we cannot mock "/etc/resolv.conf" (yet). */ evdns_base_resolv_conf_parse(dns, DNS_OPTIONS_ALL|DNS_OPTION_NAMESERVERS_NO_DEFAULT, RESOLV_FILE); tt_int_op(evdns_base_get_nameserver_addr(dns, 0, NULL, 0), ==, -1); evdns_base_resolv_conf_parse(dns, DNS_OPTIONS_ALL, RESOLV_FILE); tt_int_op(evdns_base_get_nameserver_addr(dns, 0, NULL, 0), ==, sizeof(struct sockaddr)); end: if (dns) evdns_base_free(dns, 0); } #endif /* === Test for bufferevent_socket_connect_hostname */ static int total_connected_or_failed = 0; static int total_n_accepted = 0; static struct event_base *be_connect_hostname_base = NULL; /* Implements a DNS server for the connect_hostname test and the * getaddrinfo_async test */ static void be_getaddrinfo_server_cb(struct evdns_server_request *req, void *data) { int i; int *n_got_p=data; int added_any=0; ++*n_got_p; for (i = 0; i < req->nquestions; ++i) { const int qtype = req->questions[i]->type; const int qclass = req->questions[i]->dns_question_class; const char *qname = req->questions[i]->name; struct in_addr ans; struct in6_addr ans6; memset(&ans6, 0, sizeof(ans6)); TT_BLATHER(("Got question about %s, type=%d", qname, qtype)); if (qtype == EVDNS_TYPE_A && qclass == EVDNS_CLASS_INET && !evutil_ascii_strcasecmp(qname, "nobodaddy.example.com")) { ans.s_addr = htonl(0x7f000001); evdns_server_request_add_a_reply(req, qname, 1, &ans.s_addr, 2000); added_any = 1; } else if (!evutil_ascii_strcasecmp(qname, "nosuchplace.example.com")) { /* ok, just say notfound. */ } else if (!evutil_ascii_strcasecmp(qname, "both.example.com")) { if (qtype == EVDNS_TYPE_A) { ans.s_addr = htonl(0x50502020); evdns_server_request_add_a_reply(req, qname, 1, &ans.s_addr, 2000); added_any = 1; } else if (qtype == EVDNS_TYPE_AAAA) { ans6.s6_addr[0] = 0x80; ans6.s6_addr[1] = 0xff; ans6.s6_addr[14] = 0xbb; ans6.s6_addr[15] = 0xbb; evdns_server_request_add_aaaa_reply(req, qname, 1, &ans6.s6_addr, 2000); added_any = 1; } evdns_server_request_add_cname_reply(req, qname, "both-canonical.example.com", 1000); } else if (!evutil_ascii_strcasecmp(qname, "v4only.example.com") || !evutil_ascii_strcasecmp(qname, "v4assert.example.com")) { if (qtype == EVDNS_TYPE_A) { ans.s_addr = htonl(0x12345678); evdns_server_request_add_a_reply(req, qname, 1, &ans.s_addr, 2000); added_any = 1; } else if (!evutil_ascii_strcasecmp(qname, "v4assert.example.com")) { TT_FAIL(("Got an AAAA request for v4assert")); } } else if (!evutil_ascii_strcasecmp(qname, "v6only.example.com") || !evutil_ascii_strcasecmp(qname, "v6assert.example.com")) { if (qtype == EVDNS_TYPE_AAAA) { ans6.s6_addr[0] = 0x0b; ans6.s6_addr[1] = 0x0b; ans6.s6_addr[14] = 0xf0; ans6.s6_addr[15] = 0x0d; evdns_server_request_add_aaaa_reply(req, qname, 1, &ans6.s6_addr, 2000); added_any = 1; } else if (!evutil_ascii_strcasecmp(qname, "v6assert.example.com")) { TT_FAIL(("Got a A request for v6assert")); } } else if (!evutil_ascii_strcasecmp(qname, "v6timeout.example.com")) { if (qtype == EVDNS_TYPE_A) { ans.s_addr = htonl(0xabcdef01); evdns_server_request_add_a_reply(req, qname, 1, &ans.s_addr, 2000); added_any = 1; } else if (qtype == EVDNS_TYPE_AAAA) { /* Let the v6 request time out.*/ evdns_server_request_drop(req); return; } } else if (!evutil_ascii_strcasecmp(qname, "v4timeout.example.com")) { if (qtype == EVDNS_TYPE_AAAA) { ans6.s6_addr[0] = 0x0a; ans6.s6_addr[1] = 0x0a; ans6.s6_addr[14] = 0xff; ans6.s6_addr[15] = 0x01; evdns_server_request_add_aaaa_reply(req, qname, 1, &ans6.s6_addr, 2000); added_any = 1; } else if (qtype == EVDNS_TYPE_A) { /* Let the v4 request time out.*/ evdns_server_request_drop(req); return; } } else if (!evutil_ascii_strcasecmp(qname, "v6timeout-nonexist.example.com")) { if (qtype == EVDNS_TYPE_A) { /* Fall through, give an nexist. */ } else if (qtype == EVDNS_TYPE_AAAA) { /* Let the v6 request time out.*/ evdns_server_request_drop(req); return; } } else if (!evutil_ascii_strcasecmp(qname, "all-timeout.example.com")) { /* drop all requests */ evdns_server_request_drop(req); return; } else { TT_GRIPE(("Got weird request for %s",qname)); } } if (added_any) { TT_BLATHER(("answering")); evdns_server_request_respond(req, 0); } else { TT_BLATHER(("saying nexist.")); evdns_server_request_respond(req, 3); } } /* Implements a listener for connect_hostname test. */ static void nil_accept_cb(struct evconnlistener *l, evutil_socket_t fd, struct sockaddr *s, int socklen, void *arg) { int *p = arg; (*p)++; ++total_n_accepted; /* don't do anything with the socket; let it close when we exit() */ if (total_n_accepted >= 3 && total_connected_or_failed >= 5) event_base_loopexit(be_connect_hostname_base, NULL); } struct be_conn_hostname_result { int dnserr; int what; }; /* Bufferevent event callback for the connect_hostname test: remembers what * event we got. */ static void be_connect_hostname_event_cb(struct bufferevent *bev, short what, void *ctx) { struct be_conn_hostname_result *got = ctx; if (got->what) { TT_FAIL(("Two events on one bufferevent. %d,%d", got->what, (int)what)); } TT_BLATHER(("Got a bufferevent event %d", what)); got->what = what; if ((what & BEV_EVENT_CONNECTED) || (what & BEV_EVENT_ERROR)) { int expected = 3; int r = bufferevent_socket_get_dns_error(bev); if (r) { got->dnserr = r; TT_BLATHER(("DNS error %d: %s", r, evutil_gai_strerror(r))); } ++total_connected_or_failed; TT_BLATHER(("Got %d connections or errors.", total_connected_or_failed)); /** emfile test */ if (errno == EMFILE) { expected = 0; } if (total_n_accepted >= expected && total_connected_or_failed >= 5) event_base_loopexit(be_connect_hostname_base, NULL); } } static void test_bufferevent_connect_hostname(void *arg) { struct basic_test_data *data = arg; struct evconnlistener *listener = NULL; struct bufferevent *be[5]; struct be_conn_hostname_result be_outcome[ARRAY_SIZE(be)]; int expect_err; struct evdns_base *dns=NULL; struct evdns_server_port *port=NULL; struct sockaddr_in sin; int listener_port=-1; ev_uint16_t dns_port=0; int n_accept=0, n_dns=0; char buf[128]; int emfile = data->setup_data && !strcmp(data->setup_data, "emfile"); unsigned i; int ret; be_connect_hostname_base = data->base; /* Bind an address and figure out what port it's on. */ memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */ sin.sin_port = 0; listener = evconnlistener_new_bind(data->base, nil_accept_cb, &n_accept, LEV_OPT_REUSEABLE|LEV_OPT_CLOSE_ON_EXEC, -1, (struct sockaddr *)&sin, sizeof(sin)); tt_assert(listener); listener_port = regress_get_socket_port( evconnlistener_get_fd(listener)); port = regress_get_dnsserver(data->base, &dns_port, NULL, be_getaddrinfo_server_cb, &n_dns); tt_assert(port); tt_int_op(dns_port, >=, 0); /* Start an evdns_base that uses the server as its resolver. */ dns = evdns_base_new(data->base, 0); evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)dns_port); evdns_base_nameserver_ip_add(dns, buf); #ifdef EVENT__HAVE_SETRLIMIT if (emfile) { int fd = socket(AF_INET, SOCK_STREAM, 0); struct rlimit file = { fd, fd }; tt_int_op(fd, >=, 0); tt_assert(!close(fd)); tt_assert(!setrlimit(RLIMIT_NOFILE, &file)); } #endif /* Now, finally, at long last, launch the bufferevents. One should do * a failing lookup IP, one should do a successful lookup by IP, * and one should do a successful lookup by hostname. */ for (i = 0; i < ARRAY_SIZE(be); ++i) { memset(&be_outcome[i], 0, sizeof(be_outcome[i])); be[i] = bufferevent_socket_new(data->base, -1, BEV_OPT_CLOSE_ON_FREE); bufferevent_setcb(be[i], NULL, NULL, be_connect_hostname_event_cb, &be_outcome[i]); } /* Use the blocking resolver. This one will fail if your resolver * can't resolve localhost to 127.0.0.1 */ tt_assert(!bufferevent_socket_connect_hostname(be[3], NULL, AF_INET, "localhost", listener_port)); /* Use the blocking resolver with a nonexistent hostname. */ tt_assert(!bufferevent_socket_connect_hostname(be[4], NULL, AF_INET, "nonesuch.nowhere.example.com", 80)); { /* The blocking resolver will use the system nameserver, which * might tell us anything. (Yes, some twits even pretend that * example.com is real.) Let's see what answer to expect. */ struct evutil_addrinfo hints, *ai = NULL; memset(&hints, 0, sizeof(hints)); hints.ai_family = AF_INET; hints.ai_socktype = SOCK_STREAM; hints.ai_protocol = IPPROTO_TCP; expect_err = evutil_getaddrinfo( "nonesuch.nowhere.example.com", "80", &hints, &ai); } /* Launch an async resolve that will fail. */ tt_assert(!bufferevent_socket_connect_hostname(be[0], dns, AF_INET, "nosuchplace.example.com", listener_port)); /* Connect to the IP without resolving. */ tt_assert(!bufferevent_socket_connect_hostname(be[1], dns, AF_INET, "127.0.0.1", listener_port)); /* Launch an async resolve that will succeed. */ tt_assert(!bufferevent_socket_connect_hostname(be[2], dns, AF_INET, "nobodaddy.example.com", listener_port)); ret = event_base_dispatch(data->base); #ifdef __sun__ if (emfile && !strcmp(event_base_get_method(data->base), "devpoll")) { tt_int_op(ret, ==, -1); /** DP_POLL failed */ tt_skip(); } else #endif { tt_int_op(ret, ==, 0); } tt_int_op(be_outcome[0].what, ==, BEV_EVENT_ERROR); tt_int_op(be_outcome[0].dnserr, ==, EVUTIL_EAI_NONAME); tt_int_op(be_outcome[1].what, ==, !emfile ? BEV_EVENT_CONNECTED : BEV_EVENT_ERROR); tt_int_op(be_outcome[1].dnserr, ==, 0); tt_int_op(be_outcome[2].what, ==, !emfile ? BEV_EVENT_CONNECTED : BEV_EVENT_ERROR); tt_int_op(be_outcome[2].dnserr, ==, 0); tt_int_op(be_outcome[3].what, ==, !emfile ? BEV_EVENT_CONNECTED : BEV_EVENT_ERROR); if (!emfile) { tt_int_op(be_outcome[3].dnserr, ==, 0); } else { tt_int_op(be_outcome[3].dnserr, !=, 0); } if (expect_err) { tt_int_op(be_outcome[4].what, ==, BEV_EVENT_ERROR); tt_int_op(be_outcome[4].dnserr, ==, expect_err); } if (emfile) { tt_int_op(n_accept, ==, 0); } else { tt_int_op(n_accept, ==, 3); } tt_int_op(n_dns, ==, 2); end: if (listener) evconnlistener_free(listener); if (port) evdns_close_server_port(port); if (dns) evdns_base_free(dns, 0); for (i = 0; i < ARRAY_SIZE(be); ++i) { if (be[i]) bufferevent_free(be[i]); } } struct gai_outcome { int err; struct evutil_addrinfo *ai; }; static int n_gai_results_pending = 0; static struct event_base *exit_base_on_no_pending_results = NULL; static void gai_cb(int err, struct evutil_addrinfo *res, void *ptr) { struct gai_outcome *go = ptr; go->err = err; go->ai = res; if (--n_gai_results_pending <= 0 && exit_base_on_no_pending_results) event_base_loopexit(exit_base_on_no_pending_results, NULL); if (n_gai_results_pending < 900) TT_BLATHER(("Got an answer; expecting %d more.", n_gai_results_pending)); } static void cancel_gai_cb(evutil_socket_t fd, short what, void *ptr) { struct evdns_getaddrinfo_request *r = ptr; evdns_getaddrinfo_cancel(r); } static void test_getaddrinfo_async(void *arg) { struct basic_test_data *data = arg; struct evutil_addrinfo hints, *a; struct gai_outcome local_outcome; struct gai_outcome a_out[12]; unsigned i; struct evdns_getaddrinfo_request *r; char buf[128]; struct evdns_server_port *port = NULL; ev_uint16_t dns_port = 0; int n_dns_questions = 0; struct evdns_base *dns_base; memset(a_out, 0, sizeof(a_out)); memset(&local_outcome, 0, sizeof(local_outcome)); dns_base = evdns_base_new(data->base, 0); tt_assert(dns_base); /* for localhost */ evdns_base_load_hosts(dns_base, NULL); tt_assert(! evdns_base_set_option(dns_base, "timeout", "0.3")); tt_assert(! evdns_base_set_option(dns_base, "getaddrinfo-allow-skew", "0.2")); n_gai_results_pending = 10000; /* don't think about exiting yet. */ /* 1. Try some cases that will never hit the asynchronous resolver. */ /* 1a. Simple case with a symbolic service name */ memset(&hints, 0, sizeof(hints)); hints.ai_family = PF_UNSPEC; hints.ai_socktype = SOCK_STREAM; memset(&local_outcome, 0, sizeof(local_outcome)); r = evdns_getaddrinfo(dns_base, "1.2.3.4", "http", &hints, gai_cb, &local_outcome); tt_assert(! r); if (!local_outcome.err) { tt_ptr_op(local_outcome.ai,!=,NULL); test_ai_eq(local_outcome.ai, "1.2.3.4:80", SOCK_STREAM, IPPROTO_TCP); evutil_freeaddrinfo(local_outcome.ai); local_outcome.ai = NULL; } else { TT_BLATHER(("Apparently we have no getservbyname.")); } /* 1b. EVUTIL_AI_NUMERICHOST is set */ memset(&hints, 0, sizeof(hints)); hints.ai_family = PF_UNSPEC; hints.ai_flags = EVUTIL_AI_NUMERICHOST; memset(&local_outcome, 0, sizeof(local_outcome)); r = evdns_getaddrinfo(dns_base, "www.google.com", "80", &hints, gai_cb, &local_outcome); tt_ptr_op(r,==,NULL); tt_int_op(local_outcome.err,==,EVUTIL_EAI_NONAME); tt_ptr_op(local_outcome.ai,==,NULL); /* 1c. We give a numeric address (ipv6) */ memset(&hints, 0, sizeof(hints)); memset(&local_outcome, 0, sizeof(local_outcome)); hints.ai_family = PF_UNSPEC; hints.ai_protocol = IPPROTO_TCP; r = evdns_getaddrinfo(dns_base, "f::f", "8008", &hints, gai_cb, &local_outcome); tt_assert(!r); tt_int_op(local_outcome.err,==,0); tt_assert(local_outcome.ai); tt_ptr_op(local_outcome.ai->ai_next,==,NULL); test_ai_eq(local_outcome.ai, "[f::f]:8008", SOCK_STREAM, IPPROTO_TCP); evutil_freeaddrinfo(local_outcome.ai); local_outcome.ai = NULL; /* 1d. We give a numeric address (ipv4) */ memset(&hints, 0, sizeof(hints)); memset(&local_outcome, 0, sizeof(local_outcome)); hints.ai_family = PF_UNSPEC; r = evdns_getaddrinfo(dns_base, "5.6.7.8", NULL, &hints, gai_cb, &local_outcome); tt_assert(!r); tt_int_op(local_outcome.err,==,0); tt_assert(local_outcome.ai); a = ai_find_by_protocol(local_outcome.ai, IPPROTO_TCP); tt_assert(a); test_ai_eq(a, "5.6.7.8", SOCK_STREAM, IPPROTO_TCP); a = ai_find_by_protocol(local_outcome.ai, IPPROTO_UDP); tt_assert(a); test_ai_eq(a, "5.6.7.8", SOCK_DGRAM, IPPROTO_UDP); evutil_freeaddrinfo(local_outcome.ai); local_outcome.ai = NULL; /* 1e. nodename is NULL (bind) */ memset(&hints, 0, sizeof(hints)); memset(&local_outcome, 0, sizeof(local_outcome)); hints.ai_family = PF_UNSPEC; hints.ai_socktype = SOCK_DGRAM; hints.ai_flags = EVUTIL_AI_PASSIVE; r = evdns_getaddrinfo(dns_base, NULL, "9090", &hints, gai_cb, &local_outcome); tt_assert(!r); tt_int_op(local_outcome.err,==,0); tt_assert(local_outcome.ai); /* we should get a v4 address of 0.0.0.0... */ a = ai_find_by_family(local_outcome.ai, PF_INET); tt_assert(a); test_ai_eq(a, "0.0.0.0:9090", SOCK_DGRAM, IPPROTO_UDP); /* ... and a v6 address of ::0 */ a = ai_find_by_family(local_outcome.ai, PF_INET6); tt_assert(a); test_ai_eq(a, "[::]:9090", SOCK_DGRAM, IPPROTO_UDP); evutil_freeaddrinfo(local_outcome.ai); local_outcome.ai = NULL; /* 1f. nodename is NULL (connect) */ memset(&hints, 0, sizeof(hints)); memset(&local_outcome, 0, sizeof(local_outcome)); hints.ai_family = PF_UNSPEC; hints.ai_socktype = SOCK_STREAM; r = evdns_getaddrinfo(dns_base, NULL, "2", &hints, gai_cb, &local_outcome); tt_assert(!r); tt_int_op(local_outcome.err,==,0); tt_assert(local_outcome.ai); /* we should get a v4 address of 127.0.0.1 .... */ a = ai_find_by_family(local_outcome.ai, PF_INET); tt_assert(a); test_ai_eq(a, "127.0.0.1:2", SOCK_STREAM, IPPROTO_TCP); /* ... and a v6 address of ::1 */ a = ai_find_by_family(local_outcome.ai, PF_INET6); tt_assert(a); test_ai_eq(a, "[::1]:2", SOCK_STREAM, IPPROTO_TCP); evutil_freeaddrinfo(local_outcome.ai); local_outcome.ai = NULL; /* 1g. We find localhost immediately. (pf_unspec) */ memset(&hints, 0, sizeof(hints)); memset(&local_outcome, 0, sizeof(local_outcome)); hints.ai_family = PF_UNSPEC; hints.ai_socktype = SOCK_STREAM; r = evdns_getaddrinfo(dns_base, "LOCALHOST", "80", &hints, gai_cb, &local_outcome); tt_assert(!r); tt_int_op(local_outcome.err,==,0); tt_assert(local_outcome.ai); /* we should get a v4 address of 127.0.0.1 .... */ a = ai_find_by_family(local_outcome.ai, PF_INET); tt_assert(a); test_ai_eq(a, "127.0.0.1:80", SOCK_STREAM, IPPROTO_TCP); /* ... and a v6 address of ::1 */ a = ai_find_by_family(local_outcome.ai, PF_INET6); tt_assert(a); test_ai_eq(a, "[::1]:80", SOCK_STREAM, IPPROTO_TCP); evutil_freeaddrinfo(local_outcome.ai); local_outcome.ai = NULL; /* 1g. We find localhost immediately. (pf_inet6) */ memset(&hints, 0, sizeof(hints)); memset(&local_outcome, 0, sizeof(local_outcome)); hints.ai_family = PF_INET6; hints.ai_socktype = SOCK_STREAM; r = evdns_getaddrinfo(dns_base, "LOCALHOST", "9999", &hints, gai_cb, &local_outcome); tt_assert(! r); tt_int_op(local_outcome.err,==,0); tt_assert(local_outcome.ai); a = local_outcome.ai; test_ai_eq(a, "[::1]:9999", SOCK_STREAM, IPPROTO_TCP); tt_ptr_op(a->ai_next, ==, NULL); evutil_freeaddrinfo(local_outcome.ai); local_outcome.ai = NULL; /* 2. Okay, now we can actually test the asynchronous resolver. */ /* Start a dummy local dns server... */ port = regress_get_dnsserver(data->base, &dns_port, NULL, be_getaddrinfo_server_cb, &n_dns_questions); tt_assert(port); tt_int_op(dns_port, >=, 0); /* ... and tell the evdns_base about it. */ evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", dns_port); evdns_base_nameserver_ip_add(dns_base, buf); memset(&hints, 0, sizeof(hints)); hints.ai_family = PF_UNSPEC; hints.ai_socktype = SOCK_STREAM; hints.ai_flags = EVUTIL_AI_CANONNAME; /* 0: Request for both.example.com should return both addresses. */ r = evdns_getaddrinfo(dns_base, "both.example.com", "8000", &hints, gai_cb, &a_out[0]); tt_assert(r); /* 1: Request for v4only.example.com should return one address. */ r = evdns_getaddrinfo(dns_base, "v4only.example.com", "8001", &hints, gai_cb, &a_out[1]); tt_assert(r); /* 2: Request for v6only.example.com should return one address. */ hints.ai_flags = 0; r = evdns_getaddrinfo(dns_base, "v6only.example.com", "8002", &hints, gai_cb, &a_out[2]); tt_assert(r); /* 3: PF_INET request for v4assert.example.com should not generate a * v6 request. The server will fail the test if it does. */ hints.ai_family = PF_INET; r = evdns_getaddrinfo(dns_base, "v4assert.example.com", "8003", &hints, gai_cb, &a_out[3]); tt_assert(r); /* 4: PF_INET6 request for v6assert.example.com should not generate a * v4 request. The server will fail the test if it does. */ hints.ai_family = PF_INET6; r = evdns_getaddrinfo(dns_base, "v6assert.example.com", "8004", &hints, gai_cb, &a_out[4]); tt_assert(r); /* 5: PF_INET request for nosuchplace.example.com should give NEXIST. */ hints.ai_family = PF_INET; r = evdns_getaddrinfo(dns_base, "nosuchplace.example.com", "8005", &hints, gai_cb, &a_out[5]); tt_assert(r); /* 6: PF_UNSPEC request for nosuchplace.example.com should give NEXIST. */ hints.ai_family = PF_UNSPEC; r = evdns_getaddrinfo(dns_base, "nosuchplace.example.com", "8006", &hints, gai_cb, &a_out[6]); tt_assert(r); /* 7: PF_UNSPEC request for v6timeout.example.com should give an ipv4 * address only. */ hints.ai_family = PF_UNSPEC; r = evdns_getaddrinfo(dns_base, "v6timeout.example.com", "8007", &hints, gai_cb, &a_out[7]); tt_assert(r); /* 8: PF_UNSPEC request for v6timeout-nonexist.example.com should give * a NEXIST */ hints.ai_family = PF_UNSPEC; r = evdns_getaddrinfo(dns_base, "v6timeout-nonexist.example.com", "8008", &hints, gai_cb, &a_out[8]); tt_assert(r); /* 9: AI_ADDRCONFIG should at least not crash. Can't test it more * without knowing what kind of internet we have. */ hints.ai_flags |= EVUTIL_AI_ADDRCONFIG; r = evdns_getaddrinfo(dns_base, "both.example.com", "8009", &hints, gai_cb, &a_out[9]); tt_assert(r); /* 10: PF_UNSPEC for v4timeout.example.com should give an ipv6 address * only. */ hints.ai_family = PF_UNSPEC; hints.ai_flags = 0; r = evdns_getaddrinfo(dns_base, "v4timeout.example.com", "8010", &hints, gai_cb, &a_out[10]); tt_assert(r); /* 11: timeout.example.com: cancel it after 100 msec. */ r = evdns_getaddrinfo(dns_base, "all-timeout.example.com", "8011", &hints, gai_cb, &a_out[11]); tt_assert(r); { struct timeval tv; tv.tv_sec = 0; tv.tv_usec = 100*1000; /* 100 msec */ event_base_once(data->base, -1, EV_TIMEOUT, cancel_gai_cb, r, &tv); } /* XXXXX There are more tests we could do, including: - A test to elicit NODATA. */ n_gai_results_pending = 12; exit_base_on_no_pending_results = data->base; event_base_dispatch(data->base); /* 0: both.example.com */ tt_int_op(a_out[0].err, ==, 0); tt_assert(a_out[0].ai); tt_assert(a_out[0].ai->ai_next); tt_assert(!a_out[0].ai->ai_next->ai_next); a = ai_find_by_family(a_out[0].ai, PF_INET); tt_assert(a); test_ai_eq(a, "80.80.32.32:8000", SOCK_STREAM, IPPROTO_TCP); a = ai_find_by_family(a_out[0].ai, PF_INET6); tt_assert(a); test_ai_eq(a, "[80ff::bbbb]:8000", SOCK_STREAM, IPPROTO_TCP); tt_assert(a_out[0].ai->ai_canonname); tt_str_op(a_out[0].ai->ai_canonname, ==, "both-canonical.example.com"); /* 1: v4only.example.com */ tt_int_op(a_out[1].err, ==, 0); tt_assert(a_out[1].ai); tt_assert(! a_out[1].ai->ai_next); test_ai_eq(a_out[1].ai, "18.52.86.120:8001", SOCK_STREAM, IPPROTO_TCP); tt_assert(a_out[1].ai->ai_canonname == NULL); /* 2: v6only.example.com */ tt_int_op(a_out[2].err, ==, 0); tt_assert(a_out[2].ai); tt_assert(! a_out[2].ai->ai_next); test_ai_eq(a_out[2].ai, "[b0b::f00d]:8002", SOCK_STREAM, IPPROTO_TCP); /* 3: v4assert.example.com */ tt_int_op(a_out[3].err, ==, 0); tt_assert(a_out[3].ai); tt_assert(! a_out[3].ai->ai_next); test_ai_eq(a_out[3].ai, "18.52.86.120:8003", SOCK_STREAM, IPPROTO_TCP); /* 4: v6assert.example.com */ tt_int_op(a_out[4].err, ==, 0); tt_assert(a_out[4].ai); tt_assert(! a_out[4].ai->ai_next); test_ai_eq(a_out[4].ai, "[b0b::f00d]:8004", SOCK_STREAM, IPPROTO_TCP); /* 5: nosuchplace.example.com (inet) */ tt_int_op(a_out[5].err, ==, EVUTIL_EAI_NONAME); tt_assert(! a_out[5].ai); /* 6: nosuchplace.example.com (unspec) */ tt_int_op(a_out[6].err, ==, EVUTIL_EAI_NONAME); tt_assert(! a_out[6].ai); /* 7: v6timeout.example.com */ tt_int_op(a_out[7].err, ==, 0); tt_assert(a_out[7].ai); tt_assert(! a_out[7].ai->ai_next); test_ai_eq(a_out[7].ai, "171.205.239.1:8007", SOCK_STREAM, IPPROTO_TCP); /* 8: v6timeout-nonexist.example.com */ tt_int_op(a_out[8].err, ==, EVUTIL_EAI_NONAME); tt_assert(! a_out[8].ai); /* 9: both (ADDRCONFIG) */ tt_int_op(a_out[9].err, ==, 0); tt_assert(a_out[9].ai); a = ai_find_by_family(a_out[9].ai, PF_INET); if (a) test_ai_eq(a, "80.80.32.32:8009", SOCK_STREAM, IPPROTO_TCP); else tt_assert(ai_find_by_family(a_out[9].ai, PF_INET6)); a = ai_find_by_family(a_out[9].ai, PF_INET6); if (a) test_ai_eq(a, "[80ff::bbbb]:8009", SOCK_STREAM, IPPROTO_TCP); else tt_assert(ai_find_by_family(a_out[9].ai, PF_INET)); /* 10: v4timeout.example.com */ tt_int_op(a_out[10].err, ==, 0); tt_assert(a_out[10].ai); tt_assert(! a_out[10].ai->ai_next); test_ai_eq(a_out[10].ai, "[a0a::ff01]:8010", SOCK_STREAM, IPPROTO_TCP); /* 11: cancelled request. */ tt_int_op(a_out[11].err, ==, EVUTIL_EAI_CANCEL); tt_assert(a_out[11].ai == NULL); end: if (local_outcome.ai) evutil_freeaddrinfo(local_outcome.ai); for (i = 0; i < ARRAY_SIZE(a_out); ++i) { if (a_out[i].ai) evutil_freeaddrinfo(a_out[i].ai); } if (port) evdns_close_server_port(port); if (dns_base) evdns_base_free(dns_base, 0); } struct gaic_request_status { int magic; struct event_base *base; struct evdns_base *dns_base; struct evdns_getaddrinfo_request *request; struct event cancel_event; int canceled; }; #define GAIC_MAGIC 0x1234abcd static int gaic_pending = 0; static int gaic_freed = 0; static void gaic_cancel_request_cb(evutil_socket_t fd, short what, void *arg) { struct gaic_request_status *status = arg; tt_assert(status->magic == GAIC_MAGIC); status->canceled = 1; evdns_getaddrinfo_cancel(status->request); return; end: event_base_loopexit(status->base, NULL); } static void gaic_server_cb(struct evdns_server_request *req, void *arg) { ev_uint32_t answer = 0x7f000001; tt_assert(req->nquestions); evdns_server_request_add_a_reply(req, req->questions[0]->name, 1, &answer, 100); evdns_server_request_respond(req, 0); return; end: evdns_server_request_respond(req, DNS_ERR_REFUSED); } static void gaic_getaddrinfo_cb(int result, struct evutil_addrinfo *res, void *arg) { struct gaic_request_status *status = arg; struct event_base *base = status->base; tt_assert(status->magic == GAIC_MAGIC); if (result == EVUTIL_EAI_CANCEL) { tt_assert(status->canceled); } event_del(&status->cancel_event); memset(status, 0xf0, sizeof(*status)); free(status); end: if (res) { TT_BLATHER(("evutil_freeaddrinfo(%p)", res)); evutil_freeaddrinfo(res); ++gaic_freed; } if (--gaic_pending <= 0) event_base_loopexit(base, NULL); } static void gaic_launch(struct event_base *base, struct evdns_base *dns_base) { struct gaic_request_status *status = calloc(1,sizeof(*status)); struct timeval tv = { 0, 10000 }; status->magic = GAIC_MAGIC; status->base = base; status->dns_base = dns_base; event_assign(&status->cancel_event, base, -1, 0, gaic_cancel_request_cb, status); status->request = evdns_getaddrinfo(dns_base, "foobar.bazquux.example.com", "80", NULL, gaic_getaddrinfo_cb, status); event_add(&status->cancel_event, &tv); ++gaic_pending; } #ifdef EVENT_SET_MEM_FUNCTIONS_IMPLEMENTED /* FIXME: We should move this to regress_main.c if anything else needs it.*/ /* Trivial replacements for malloc/free/realloc to check for memory leaks. * Not threadsafe. */ static int allocated_chunks = 0; static void * cnt_malloc(size_t sz) { allocated_chunks += 1; return malloc(sz); } static void * cnt_realloc(void *old, size_t sz) { if (!old) allocated_chunks += 1; if (!sz) allocated_chunks -= 1; return realloc(old, sz); } static void cnt_free(void *ptr) { allocated_chunks -= 1; free(ptr); } struct testleak_env_t { struct event_base *base; struct evdns_base *dns_base; struct evdns_request *req; struct generic_dns_callback_result r; }; static void * testleak_setup(const struct testcase_t *testcase) { struct testleak_env_t *env; allocated_chunks = 0; /* Reset allocation counter, to start allocations from the very beginning. * (this will avoid false-positive negative numbers for allocated_chunks) */ libevent_global_shutdown(); event_set_mem_functions(cnt_malloc, cnt_realloc, cnt_free); event_enable_debug_mode(); /* not mm_calloc: we don't want to mess with the count. */ env = calloc(1, sizeof(struct testleak_env_t)); env->base = event_base_new(); env->dns_base = evdns_base_new(env->base, 0); env->req = evdns_base_resolve_ipv4( env->dns_base, "example.com", DNS_QUERY_NO_SEARCH, generic_dns_callback, &env->r); return env; } static int testleak_cleanup(const struct testcase_t *testcase, void *env_) { int ok = 0; struct testleak_env_t *env = env_; tt_assert(env); #ifdef EVENT__DISABLE_DEBUG_MODE tt_int_op(allocated_chunks, ==, 0); #else libevent_global_shutdown(); tt_int_op(allocated_chunks, ==, 0); #endif ok = 1; end: if (env) { if (env->dns_base) evdns_base_free(env->dns_base, 0); if (env->base) event_base_free(env->base); free(env); } return ok; } static struct testcase_setup_t testleak_funcs = { testleak_setup, testleak_cleanup }; static void test_dbg_leak_cancel(void *env_) { /* cancel, loop, free/dns, free/base */ struct testleak_env_t *env = env_; int send_err_shutdown = 1; evdns_cancel_request(env->dns_base, env->req); env->req = 0; /* `req` is freed in callback, that's why one loop is required. */ event_base_loop(env->base, EVLOOP_NONBLOCK); /* send_err_shutdown means nothing as soon as our request is * already canceled */ evdns_base_free(env->dns_base, send_err_shutdown); env->dns_base = 0; event_base_free(env->base); env->base = 0; } static void dbg_leak_resume(void *env_, int cancel, int send_err_shutdown) { /* cancel, loop, free/dns, free/base */ struct testleak_env_t *env = env_; if (cancel) { evdns_cancel_request(env->dns_base, env->req); tt_assert(!evdns_base_resume(env->dns_base)); } else { /* TODO: No nameservers, request can't be processed, must be errored */ tt_assert(!evdns_base_resume(env->dns_base)); } event_base_loop(env->base, EVLOOP_NONBLOCK); /** * Because we don't cancel request, and want our callback to recieve * DNS_ERR_SHUTDOWN, we use deferred callback, and there was: * - one extra malloc(), * @see reply_schedule_callback() * - and one missing free * @see request_finished() (req->handle->pending_cb = 1) * than we don't need to count in testleak_cleanup(), but we can clean them * if we will run loop once again, but *after* evdns base freed. */ evdns_base_free(env->dns_base, send_err_shutdown); env->dns_base = 0; event_base_loop(env->base, EVLOOP_NONBLOCK); end: event_base_free(env->base); env->base = 0; } #define IMPL_DBG_LEAK_RESUME(name, cancel, send_err_shutdown) \ static void \ test_dbg_leak_##name##_(void *env_) \ { \ dbg_leak_resume(env_, cancel, send_err_shutdown); \ } IMPL_DBG_LEAK_RESUME(resume, 0, 0) IMPL_DBG_LEAK_RESUME(cancel_and_resume, 1, 0) IMPL_DBG_LEAK_RESUME(resume_send_err, 0, 1) IMPL_DBG_LEAK_RESUME(cancel_and_resume_send_err, 1, 1) static void test_dbg_leak_shutdown(void *env_) { /* free/dns, loop, free/base */ struct testleak_env_t *env = env_; int send_err_shutdown = 1; /* `req` is freed both with `send_err_shutdown` and without it, * the only difference is `evdns_callback` call */ env->req = 0; evdns_base_free(env->dns_base, send_err_shutdown); env->dns_base = 0; /* `req` is freed in callback, that's why one loop is required */ event_base_loop(env->base, EVLOOP_NONBLOCK); event_base_free(env->base); env->base = 0; } #endif static void test_getaddrinfo_async_cancel_stress(void *ptr) { struct event_base *base; struct evdns_base *dns_base = NULL; struct evdns_server_port *server = NULL; evutil_socket_t fd = -1; struct sockaddr_in sin; struct sockaddr_storage ss; ev_socklen_t slen; unsigned i; base = event_base_new(); dns_base = evdns_base_new(base, 0); memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_port = 0; sin.sin_addr.s_addr = htonl(0x7f000001); if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { tt_abort_perror("socket"); } evutil_make_socket_nonblocking(fd); if (bind(fd, (struct sockaddr*)&sin, sizeof(sin))<0) { tt_abort_perror("bind"); } server = evdns_add_server_port_with_base(base, fd, 0, gaic_server_cb, base); memset(&ss, 0, sizeof(ss)); slen = sizeof(ss); if (getsockname(fd, (struct sockaddr*)&ss, &slen)<0) { tt_abort_perror("getsockname"); } evdns_base_nameserver_sockaddr_add(dns_base, (struct sockaddr*)&ss, slen, 0); for (i = 0; i < 1000; ++i) { gaic_launch(base, dns_base); } event_base_dispatch(base); // at least some was canceled via external event tt_int_op(gaic_freed, !=, 1000); end: if (dns_base) evdns_base_free(dns_base, 1); if (server) evdns_close_server_port(server); if (base) event_base_free(base); if (fd >= 0) evutil_closesocket(fd); } static void dns_client_fail_requests_test(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; int limit_inflight = data->setup_data && !strcmp(data->setup_data, "limit-inflight"); struct evdns_base *dns = NULL; struct evdns_server_port *dns_port = NULL; ev_uint16_t portnum = 0; char buf[64]; struct generic_dns_callback_result r[20]; unsigned i; dns_port = regress_get_dnsserver(base, &portnum, NULL, regress_dns_server_cb, reissue_table); tt_assert(dns_port); evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum); dns = evdns_base_new(base, EVDNS_BASE_DISABLE_WHEN_INACTIVE); tt_assert(!evdns_base_nameserver_ip_add(dns, buf)); if (limit_inflight) tt_assert(!evdns_base_set_option(dns, "max-inflight:", "11")); for (i = 0; i < 20; ++i) evdns_base_resolve_ipv4(dns, "foof.example.com", 0, generic_dns_callback, &r[i]); n_replies_left = 20; exit_base = base; evdns_base_free(dns, 1 /** fail requests */); /** run defered callbacks, to trigger UAF */ event_base_dispatch(base); tt_int_op(n_replies_left, ==, 0); for (i = 0; i < 20; ++i) tt_int_op(r[i].result, ==, DNS_ERR_SHUTDOWN); end: evdns_close_server_port(dns_port); } static void getaddrinfo_cb(int err, struct evutil_addrinfo *res, void *ptr) { generic_dns_callback(err, 0, 0, 0, NULL, ptr); } static void dns_client_fail_requests_getaddrinfo_test(void *arg) { struct basic_test_data *data = arg; struct event_base *base = data->base; struct evdns_base *dns = NULL; struct evdns_server_port *dns_port = NULL; ev_uint16_t portnum = 0; char buf[64]; struct generic_dns_callback_result r[20]; int i; dns_port = regress_get_dnsserver(base, &portnum, NULL, regress_dns_server_cb, reissue_table); tt_assert(dns_port); evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum); dns = evdns_base_new(base, EVDNS_BASE_DISABLE_WHEN_INACTIVE); tt_assert(!evdns_base_nameserver_ip_add(dns, buf)); for (i = 0; i < 20; ++i) tt_assert(evdns_getaddrinfo(dns, "foof.example.com", "80", NULL, getaddrinfo_cb, &r[i])); n_replies_left = 20; exit_base = base; evdns_base_free(dns, 1 /** fail requests */); /** run defered callbacks, to trigger UAF */ event_base_dispatch(base); tt_int_op(n_replies_left, ==, 0); for (i = 0; i < 20; ++i) tt_int_op(r[i].result, ==, EVUTIL_EAI_FAIL); end: evdns_close_server_port(dns_port); } #ifdef EVTHREAD_USE_PTHREADS_IMPLEMENTED struct race_param { void *lock; void *reqs_cmpl_cond; int bw_threads; void *bw_threads_exited_cond; volatile int stopping; void *base; void *dns; int locked; }; static void * race_base_run(void *arg) { struct race_param *rp = (struct race_param *)arg; event_base_loop(rp->base, EVLOOP_NO_EXIT_ON_EMPTY); THREAD_RETURN(); } static void * race_busywait_run(void *arg) { struct race_param *rp = (struct race_param *)arg; struct sockaddr_storage ss; while (!rp->stopping) evdns_base_get_nameserver_addr(rp->dns, 0, (struct sockaddr *)&ss, sizeof(ss)); EVLOCK_LOCK(rp->lock, 0); if (--rp->bw_threads == 0) EVTHREAD_COND_SIGNAL(rp->bw_threads_exited_cond); EVLOCK_UNLOCK(rp->lock, 0); THREAD_RETURN(); } static void race_gai_cb(int result, struct evutil_addrinfo *res, void *arg) { struct race_param *rp = arg; (void)result; (void)res; --n_replies_left; if (n_replies_left == 0) { EVLOCK_LOCK(rp->lock, 0); EVTHREAD_COND_SIGNAL(rp->reqs_cmpl_cond); EVLOCK_UNLOCK(rp->lock, 0); } } static void getaddrinfo_race_gotresolve_test(void *arg) { struct race_param rp; struct evdns_server_port *dns_port = NULL; ev_uint16_t portnum = 0; char buf[64]; int i; // Some stress is needed to yield inside getaddrinfo between resolve_ipv4 and resolve_ipv6 int n_reqs = 16384; #ifdef _SC_NPROCESSORS_ONLN int n_threads = sysconf(_SC_NPROCESSORS_ONLN) + 1; #else int n_threads = 17; #endif THREAD_T thread[n_threads]; struct timeval tv; (void)arg; evthread_use_pthreads(); rp.base = event_base_new(); tt_assert(rp.base); if (evthread_make_base_notifiable(rp.base) < 0) tt_abort_msg("Couldn't make base notifiable!"); dns_port = regress_get_dnsserver(rp.base, &portnum, NULL, regress_dns_server_cb, reissue_table); tt_assert(dns_port); evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum); rp.dns = evdns_base_new(rp.base, 0); tt_assert(!evdns_base_nameserver_ip_add(rp.dns, buf)); n_replies_left = n_reqs; EVTHREAD_ALLOC_LOCK(rp.lock, 0); EVTHREAD_ALLOC_COND(rp.reqs_cmpl_cond); EVTHREAD_ALLOC_COND(rp.bw_threads_exited_cond); tt_assert(rp.lock); tt_assert(rp.reqs_cmpl_cond); tt_assert(rp.bw_threads_exited_cond); rp.bw_threads = 0; rp.stopping = 0; // Run resolver thread THREAD_START(thread[0], race_base_run, &rp); // Run busy-wait threads used to force yield this thread for (i = 1; i < n_threads; i++) { rp.bw_threads++; THREAD_START(thread[i], race_busywait_run, &rp); } EVLOCK_LOCK(rp.lock, 0); rp.locked = 1; for (i = 0; i < n_reqs; ++i) { tt_assert(evdns_getaddrinfo(rp.dns, "foof.example.com", "80", NULL, race_gai_cb, &rp)); // This magic along with busy-wait threads make this thread yield frequently if (i % 100 == 0) { tv.tv_sec = 0; tv.tv_usec = 10000; evutil_usleep_(&tv); } } exit_base = rp.base; // Wait for some time tv.tv_sec = 5; tv.tv_usec = 0; EVTHREAD_COND_WAIT_TIMED(rp.reqs_cmpl_cond, rp.lock, &tv); // Stop busy-wait threads tv.tv_sec = 1; tv.tv_usec = 0; rp.stopping = 1; tt_assert(EVTHREAD_COND_WAIT_TIMED(rp.bw_threads_exited_cond, rp.lock, &tv) == 0); EVLOCK_UNLOCK(rp.lock, 0); rp.locked = 0; evdns_base_free(rp.dns, 1 /** fail requests */); tt_int_op(n_replies_left, ==, 0); end: if (rp.locked) EVLOCK_UNLOCK(rp.lock, 0); EVTHREAD_FREE_LOCK(rp.lock, 0); EVTHREAD_FREE_COND(rp.reqs_cmpl_cond); EVTHREAD_FREE_COND(rp.bw_threads_exited_cond); evdns_close_server_port(dns_port); event_base_loopbreak(rp.base); event_base_free(rp.base); } #endif static void test_set_so_rcvbuf_so_sndbuf(void *arg) { struct basic_test_data *data = arg; struct evdns_base *dns_base; dns_base = evdns_base_new(data->base, 0); tt_assert(dns_base); tt_assert(!evdns_base_set_option(dns_base, "so-rcvbuf", "10240")); tt_assert(!evdns_base_set_option(dns_base, "so-sndbuf", "10240")); /* actually check SO_RCVBUF/SO_SNDBUF not fails */ tt_assert(!evdns_base_nameserver_ip_add(dns_base, "127.0.0.1")); end: if (dns_base) evdns_base_free(dns_base, 0); } static void test_set_option(void *arg) { #define SUCCESS 0 #define FAIL -1 struct basic_test_data *data = arg; struct evdns_base *dns_base; size_t i; /* Option names are allowed to have ':' at the end. * So all test option names come in pairs. */ const char *int_options[] = { "ndots", "ndots:", "max-timeouts", "max-timeouts:", "max-inflight", "max-inflight:", "attempts", "attempts:", "randomize-case", "randomize-case:", "so-rcvbuf", "so-rcvbuf:", "so-sndbuf", "so-sndbuf:", }; const char *timeval_options[] = { "timeout", "timeout:", "getaddrinfo-allow-skew", "getaddrinfo-allow-skew:", "initial-probe-timeout", "initial-probe-timeout:", }; const char *addr_port_options[] = { "bind-to", "bind-to:", }; dns_base = evdns_base_new(data->base, 0); tt_assert(dns_base); for (i = 0; i < ARRAY_SIZE(int_options); ++i) { tt_assert(SUCCESS == evdns_base_set_option(dns_base, int_options[i], "0")); tt_assert(SUCCESS == evdns_base_set_option(dns_base, int_options[i], "1")); tt_assert(SUCCESS == evdns_base_set_option(dns_base, int_options[i], "10000")); tt_assert(FAIL == evdns_base_set_option(dns_base, int_options[i], "foo")); tt_assert(FAIL == evdns_base_set_option(dns_base, int_options[i], "3.14")); } for (i = 0; i < ARRAY_SIZE(timeval_options); ++i) { tt_assert(SUCCESS == evdns_base_set_option(dns_base, timeval_options[i], "1")); tt_assert(SUCCESS == evdns_base_set_option(dns_base, timeval_options[i], "0.001")); tt_assert(SUCCESS == evdns_base_set_option(dns_base, timeval_options[i], "3.14")); tt_assert(SUCCESS == evdns_base_set_option(dns_base, timeval_options[i], "10000")); tt_assert(FAIL == evdns_base_set_option(dns_base, timeval_options[i], "0")); tt_assert(FAIL == evdns_base_set_option(dns_base, timeval_options[i], "foo")); } for (i = 0; i < ARRAY_SIZE(addr_port_options); ++i) { tt_assert(SUCCESS == evdns_base_set_option(dns_base, addr_port_options[i], "8.8.8.8:80")); tt_assert(SUCCESS == evdns_base_set_option(dns_base, addr_port_options[i], "1.2.3.4")); tt_assert(SUCCESS == evdns_base_set_option(dns_base, addr_port_options[i], "::1:82")); tt_assert(SUCCESS == evdns_base_set_option(dns_base, addr_port_options[i], "3::4")); tt_assert(FAIL == evdns_base_set_option(dns_base, addr_port_options[i], "3.14")); tt_assert(FAIL == evdns_base_set_option(dns_base, addr_port_options[i], "foo")); } #undef SUCCESS #undef FAIL end: if (dns_base) evdns_base_free(dns_base, 0); } #define DNS_LEGACY(name, flags) \ { #name, run_legacy_test_fn, flags|TT_LEGACY, &legacy_setup, \ dns_##name } struct testcase_t dns_testcases[] = { DNS_LEGACY(server, TT_FORK|TT_NEED_BASE), DNS_LEGACY(gethostbyname, TT_FORK|TT_NEED_BASE|TT_NEED_DNS|TT_OFF_BY_DEFAULT), DNS_LEGACY(gethostbyname6, TT_FORK|TT_NEED_BASE|TT_NEED_DNS|TT_OFF_BY_DEFAULT), DNS_LEGACY(gethostbyaddr, TT_FORK|TT_NEED_BASE|TT_NEED_DNS|TT_OFF_BY_DEFAULT), { "resolve_reverse", dns_resolve_reverse, TT_FORK|TT_OFF_BY_DEFAULT, NULL, NULL }, { "search_empty", dns_search_empty_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL }, { "search", dns_search_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL }, { "search_lower", dns_search_lower_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL }, { "search_cancel", dns_search_cancel_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL }, { "retry", dns_retry_test, TT_FORK|TT_NEED_BASE|TT_NO_LOGS, &basic_setup, NULL }, { "retry_disable_when_inactive", dns_retry_disable_when_inactive_test, TT_FORK|TT_NEED_BASE|TT_NO_LOGS, &basic_setup, NULL }, { "reissue", dns_reissue_test, TT_FORK|TT_NEED_BASE|TT_NO_LOGS, &basic_setup, NULL }, { "reissue_disable_when_inactive", dns_reissue_disable_when_inactive_test, TT_FORK|TT_NEED_BASE|TT_NO_LOGS, &basic_setup, NULL }, { "inflight", dns_inflight_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL }, { "bufferevent_connect_hostname", test_bufferevent_connect_hostname, TT_FORK|TT_NEED_BASE, &basic_setup, NULL }, #ifdef EVENT__HAVE_SETRLIMIT { "bufferevent_connect_hostname_emfile", test_bufferevent_connect_hostname, TT_FORK|TT_NEED_BASE, &basic_setup, (char*)"emfile" }, #endif { "disable_when_inactive", dns_disable_when_inactive_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL }, { "disable_when_inactive_no_ns", dns_disable_when_inactive_no_ns_test, TT_FORK|TT_NEED_BASE|TT_NO_LOGS, &basic_setup, NULL }, { "initialize_nameservers", dns_initialize_nameservers_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL }, #ifndef _WIN32 { "nameservers_no_default", dns_nameservers_no_default_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL }, #endif { "getaddrinfo_async", test_getaddrinfo_async, TT_FORK|TT_NEED_BASE, &basic_setup, (char*)"" }, { "getaddrinfo_cancel_stress", test_getaddrinfo_async_cancel_stress, TT_FORK, NULL, NULL }, #ifdef EVENT_SET_MEM_FUNCTIONS_IMPLEMENTED { "leak_shutdown", test_dbg_leak_shutdown, TT_FORK, &testleak_funcs, NULL }, { "leak_cancel", test_dbg_leak_cancel, TT_FORK, &testleak_funcs, NULL }, { "leak_resume", test_dbg_leak_resume_, TT_FORK, &testleak_funcs, NULL }, { "leak_cancel_and_resume", test_dbg_leak_cancel_and_resume_, TT_FORK, &testleak_funcs, NULL }, { "leak_resume_send_err", test_dbg_leak_resume_send_err_, TT_FORK, &testleak_funcs, NULL }, { "leak_cancel_and_resume_send_err", test_dbg_leak_cancel_and_resume_send_err_, TT_FORK, &testleak_funcs, NULL }, #endif { "client_fail_requests", dns_client_fail_requests_test, TT_FORK|TT_NEED_BASE|TT_NO_LOGS, &basic_setup, NULL }, { "client_fail_waiting_requests", dns_client_fail_requests_test, TT_FORK|TT_NEED_BASE|TT_NO_LOGS, &basic_setup, (char*)"limit-inflight" }, { "client_fail_requests_getaddrinfo", dns_client_fail_requests_getaddrinfo_test, TT_FORK|TT_NEED_BASE|TT_NO_LOGS, &basic_setup, NULL }, #ifdef EVTHREAD_USE_PTHREADS_IMPLEMENTED { "getaddrinfo_race_gotresolve", getaddrinfo_race_gotresolve_test, TT_FORK|TT_OFF_BY_DEFAULT, NULL, NULL }, #endif { "set_SO_RCVBUF_SO_SNDBUF", test_set_so_rcvbuf_so_sndbuf, TT_FORK|TT_NEED_BASE, &basic_setup, NULL }, { "set_options", test_set_option, TT_FORK|TT_NEED_BASE, &basic_setup, NULL }, END_OF_TESTCASES }; lldpd-1.0.18/libevent/test/test-time.c0000644000076400001440000000623014111362571017006 0ustar00bernatusers/* * Copyright (c) 2002-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "event2/event-config.h" #include "util-internal.h" #include #include #include #include #include #include #ifndef _WIN32 #include #include #endif #include #include "event2/event.h" #include "event2/event_compat.h" #include "event2/event_struct.h" int called = 0; #define NEVENT 20000 struct event *ev[NEVENT]; struct evutil_weakrand_state weakrand_state; static int rand_int(int n) { return evutil_weakrand_(&weakrand_state) % n; } static void time_cb(evutil_socket_t fd, short event, void *arg) { struct timeval tv; int i, j; called++; if (called < 10*NEVENT) { for (i = 0; i < 10; i++) { j = rand_int(NEVENT); tv.tv_sec = 0; tv.tv_usec = rand_int(50000); if (tv.tv_usec % 2 || called < NEVENT) evtimer_add(ev[j], &tv); else evtimer_del(ev[j]); } } } int main(int argc, char **argv) { struct event_base *base; struct timeval tv; int i; #ifdef _WIN32 WORD wVersionRequested; WSADATA wsaData; wVersionRequested = MAKEWORD(2, 2); (void) WSAStartup(wVersionRequested, &wsaData); #endif evutil_weakrand_seed_(&weakrand_state, 0); if (getenv("EVENT_DEBUG_LOGGING_ALL")) { event_enable_debug_logging(EVENT_DBG_ALL); } base = event_base_new(); for (i = 0; i < NEVENT; i++) { ev[i] = evtimer_new(base, time_cb, event_self_cbarg()); tv.tv_sec = 0; tv.tv_usec = rand_int(50000); evtimer_add(ev[i], &tv); } i = event_base_dispatch(base); printf("event_base_dispatch=%d, called=%d, EVENT=%d\n", i, called, NEVENT); if (i == 1 && called >= NEVENT) { return EXIT_SUCCESS; } else { return EXIT_FAILURE; } } lldpd-1.0.18/libevent/test/regress_http.c0000644000076400001440000040210414111362571017604 0ustar00bernatusers/* * Copyright (c) 2003-2007 Niels Provos * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "util-internal.h" #ifdef _WIN32 #include #include #include #endif #include "event2/event-config.h" #include #include #ifdef EVENT__HAVE_SYS_TIME_H #include #endif #include #ifndef _WIN32 #include #include #include #include #endif #include #include #include #include #include #include "event2/dns.h" #include "event2/event.h" #include "event2/http.h" #include "event2/buffer.h" #include "event2/bufferevent.h" #include "event2/bufferevent_ssl.h" #include "event2/util.h" #include "event2/listener.h" #include "log-internal.h" #include "http-internal.h" #include "regress.h" #include "regress_testutils.h" #define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0])) /* set if a test needs to call loopexit on a base */ static struct event_base *exit_base; static char const BASIC_REQUEST_BODY[] = "This is funny"; static void http_basic_cb(struct evhttp_request *req, void *arg); static void http_timeout_cb(struct evhttp_request *req, void *arg); static void http_large_cb(struct evhttp_request *req, void *arg); static void http_chunked_cb(struct evhttp_request *req, void *arg); static void http_post_cb(struct evhttp_request *req, void *arg); static void http_put_cb(struct evhttp_request *req, void *arg); static void http_delete_cb(struct evhttp_request *req, void *arg); static void http_delay_cb(struct evhttp_request *req, void *arg); static void http_large_delay_cb(struct evhttp_request *req, void *arg); static void http_badreq_cb(struct evhttp_request *req, void *arg); static void http_dispatcher_cb(struct evhttp_request *req, void *arg); static void http_on_complete_cb(struct evhttp_request *req, void *arg); #define HTTP_BIND_IPV6 1 #define HTTP_BIND_SSL 2 #define HTTP_SSL_FILTER 4 static int http_bind(struct evhttp *myhttp, ev_uint16_t *pport, int mask) { int port; struct evhttp_bound_socket *sock; int ipv6 = mask & HTTP_BIND_IPV6; if (ipv6) sock = evhttp_bind_socket_with_handle(myhttp, "::1", *pport); else sock = evhttp_bind_socket_with_handle(myhttp, "127.0.0.1", *pport); if (sock == NULL) { if (ipv6) return -1; else event_errx(1, "Could not start web server"); } port = regress_get_socket_port(evhttp_bound_socket_get_fd(sock)); if (port < 0) return -1; *pport = (ev_uint16_t) port; return 0; } #ifdef EVENT__HAVE_OPENSSL static struct bufferevent * https_bev(struct event_base *base, void *arg) { SSL *ssl = SSL_new(get_ssl_ctx()); SSL_use_certificate(ssl, ssl_getcert(ssl_getkey())); SSL_use_PrivateKey(ssl, ssl_getkey()); return bufferevent_openssl_socket_new( base, -1, ssl, BUFFEREVENT_SSL_ACCEPTING, BEV_OPT_CLOSE_ON_FREE); } #endif static struct evhttp * http_setup_gencb(ev_uint16_t *pport, struct event_base *base, int mask, void (*cb)(struct evhttp_request *, void *), void *cbarg) { struct evhttp *myhttp; /* Try a few different ports */ myhttp = evhttp_new(base); if (http_bind(myhttp, pport, mask) < 0) return NULL; #ifdef EVENT__HAVE_OPENSSL if (mask & HTTP_BIND_SSL) { init_ssl(); evhttp_set_bevcb(myhttp, https_bev, NULL); } #endif evhttp_set_gencb(myhttp, cb, cbarg); /* Register a callback for certain types of requests */ evhttp_set_cb(myhttp, "/test", http_basic_cb, myhttp); evhttp_set_cb(myhttp, "/test nonconformant", http_basic_cb, myhttp); evhttp_set_cb(myhttp, "/timeout", http_timeout_cb, myhttp); evhttp_set_cb(myhttp, "/large", http_large_cb, base); evhttp_set_cb(myhttp, "/chunked", http_chunked_cb, base); evhttp_set_cb(myhttp, "/streamed", http_chunked_cb, base); evhttp_set_cb(myhttp, "/postit", http_post_cb, base); evhttp_set_cb(myhttp, "/putit", http_put_cb, base); evhttp_set_cb(myhttp, "/deleteit", http_delete_cb, base); evhttp_set_cb(myhttp, "/delay", http_delay_cb, base); evhttp_set_cb(myhttp, "/largedelay", http_large_delay_cb, base); evhttp_set_cb(myhttp, "/badrequest", http_badreq_cb, base); evhttp_set_cb(myhttp, "/oncomplete", http_on_complete_cb, base); evhttp_set_cb(myhttp, "/", http_dispatcher_cb, base); return (myhttp); } static struct evhttp * http_setup(ev_uint16_t *pport, struct event_base *base, int mask) { return http_setup_gencb(pport, base, mask, NULL, NULL); } #ifndef NI_MAXSERV #define NI_MAXSERV 1024 #endif static evutil_socket_t http_connect(const char *address, ev_uint16_t port) { /* Stupid code for connecting */ struct evutil_addrinfo ai, *aitop; char strport[NI_MAXSERV]; struct sockaddr *sa; size_t slen; evutil_socket_t fd; memset(&ai, 0, sizeof(ai)); ai.ai_family = AF_INET; ai.ai_socktype = SOCK_STREAM; evutil_snprintf(strport, sizeof(strport), "%d", port); if (evutil_getaddrinfo(address, strport, &ai, &aitop) != 0) { event_warn("getaddrinfo"); return (-1); } sa = aitop->ai_addr; slen = aitop->ai_addrlen; fd = socket(AF_INET, SOCK_STREAM, 0); if (fd == -1) event_err(1, "socket failed"); evutil_make_socket_nonblocking(fd); if (connect(fd, sa, slen) == -1) { #ifdef _WIN32 int tmp_err = WSAGetLastError(); if (tmp_err != WSAEINPROGRESS && tmp_err != WSAEINVAL && tmp_err != WSAEWOULDBLOCK) event_err(1, "connect failed"); #else if (errno != EINPROGRESS) event_err(1, "connect failed"); #endif } evutil_freeaddrinfo(aitop); return (fd); } /* Helper: do a strcmp on the contents of buf and the string s. */ static int evbuffer_datacmp(struct evbuffer *buf, const char *s) { size_t b_sz = evbuffer_get_length(buf); size_t s_sz = strlen(s); unsigned char *d; int r; if (b_sz < s_sz) return -1; d = evbuffer_pullup(buf, s_sz); if (!d) d = (unsigned char *)""; if ((r = memcmp(d, s, s_sz))) return r; if (b_sz > s_sz) return 1; else return 0; } /* Helper: Return true iff buf contains s */ static int evbuffer_contains(struct evbuffer *buf, const char *s) { struct evbuffer_ptr ptr; ptr = evbuffer_search(buf, s, strlen(s), NULL); return ptr.pos != -1; } static void http_readcb(struct bufferevent *bev, void *arg) { const char *what = BASIC_REQUEST_BODY; struct event_base *my_base = arg; if (evbuffer_contains(bufferevent_get_input(bev), what)) { struct evhttp_request *req = evhttp_request_new(NULL, NULL); enum message_read_status done; /* req->kind = EVHTTP_RESPONSE; */ done = evhttp_parse_firstline_(req, bufferevent_get_input(bev)); if (done != ALL_DATA_READ) goto out; done = evhttp_parse_headers_(req, bufferevent_get_input(bev)); if (done != ALL_DATA_READ) goto out; if (done == 1 && evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Type") != NULL) test_ok++; out: evhttp_request_free(req); bufferevent_disable(bev, EV_READ); if (exit_base) event_base_loopexit(exit_base, NULL); else if (my_base) event_base_loopexit(my_base, NULL); else { fprintf(stderr, "No way to exit loop!\n"); exit(1); } } } static void http_writecb(struct bufferevent *bev, void *arg) { if (evbuffer_get_length(bufferevent_get_output(bev)) == 0) { /* enable reading of the reply */ bufferevent_enable(bev, EV_READ); test_ok++; } } static void http_errorcb(struct bufferevent *bev, short what, void *arg) { /** For ssl */ if (what & BEV_EVENT_CONNECTED) return; test_ok = -2; event_base_loopexit(arg, NULL); } static int found_multi = 0; static int found_multi2 = 0; static void http_basic_cb(struct evhttp_request *req, void *arg) { struct evbuffer *evb = evbuffer_new(); struct evhttp_connection *evcon; int empty = evhttp_find_header(evhttp_request_get_input_headers(req), "Empty") != NULL; TT_BLATHER(("%s: called\n", __func__)); evbuffer_add_printf(evb, BASIC_REQUEST_BODY); evcon = evhttp_request_get_connection(req); tt_assert(evhttp_connection_get_server(evcon) == arg); { const struct sockaddr *sa; char addrbuf[128]; sa = evhttp_connection_get_addr(evcon); tt_assert(sa); if (sa->sa_family == AF_INET) { evutil_format_sockaddr_port_((struct sockaddr *)sa, addrbuf, sizeof(addrbuf)); tt_assert(!strncmp(addrbuf, "127.0.0.1:", strlen("127.0.0.1:"))); } else if (sa->sa_family == AF_INET6) { evutil_format_sockaddr_port_((struct sockaddr *)sa, addrbuf, sizeof(addrbuf)); tt_assert(!strncmp(addrbuf, "[::1]:", strlen("[::1]:"))); } else { tt_fail_msg("Unsupported family"); } } /* For multi-line headers test */ { const char *multi = evhttp_find_header(evhttp_request_get_input_headers(req),"X-Multi"); if (multi) { found_multi = !strcmp(multi,"aaaaaaaa a END"); if (strcmp("END", multi + strlen(multi) - 3) == 0) test_ok++; if (evhttp_find_header(evhttp_request_get_input_headers(req), "X-Last")) test_ok++; } } { const char *multi2 = evhttp_find_header(evhttp_request_get_input_headers(req),"X-Multi-Extra-WS"); if (multi2) { found_multi2 = !strcmp(multi2,"libevent 2.1"); } } /* injecting a bad content-length */ if (evhttp_find_header(evhttp_request_get_input_headers(req), "X-Negative")) evhttp_add_header(evhttp_request_get_output_headers(req), "Content-Length", "-100"); /* allow sending of an empty reply */ evhttp_send_reply(req, HTTP_OK, "Everything is fine", !empty ? evb : NULL); end: evbuffer_free(evb); } static void http_timeout_reply_cb(evutil_socket_t fd, short events, void *arg) { struct evhttp_request *req = arg; evhttp_send_reply(req, HTTP_OK, "Everything is fine", NULL); test_ok++; } static void http_timeout_cb(struct evhttp_request *req, void *arg) { struct timeval when = { 0, 100 }; event_base_once(exit_base, -1, EV_TIMEOUT, http_timeout_reply_cb, req, &when); } static void http_large_cb(struct evhttp_request *req, void *arg) { struct evbuffer *evb = evbuffer_new(); int i; for (i = 0; i < 1<<20; ++i) { evbuffer_add_printf(evb, BASIC_REQUEST_BODY); } evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb); evbuffer_free(evb); } static char const* const CHUNKS[] = { "This is funny", "but not hilarious.", "bwv 1052" }; struct chunk_req_state { struct event_base *base; struct evhttp_request *req; int i; }; static void http_chunked_trickle_cb(evutil_socket_t fd, short events, void *arg) { struct evbuffer *evb = evbuffer_new(); struct chunk_req_state *state = arg; struct timeval when = { 0, 0 }; evbuffer_add_printf(evb, "%s", CHUNKS[state->i]); evhttp_send_reply_chunk(state->req, evb); evbuffer_free(evb); if (++state->i < (int) (sizeof(CHUNKS)/sizeof(CHUNKS[0]))) { event_base_once(state->base, -1, EV_TIMEOUT, http_chunked_trickle_cb, state, &when); } else { evhttp_send_reply_end(state->req); free(state); } } static void http_chunked_cb(struct evhttp_request *req, void *arg) { struct timeval when = { 0, 0 }; struct chunk_req_state *state = malloc(sizeof(struct chunk_req_state)); TT_BLATHER(("%s: called\n", __func__)); memset(state, 0, sizeof(struct chunk_req_state)); state->req = req; state->base = arg; if (strcmp(evhttp_request_get_uri(req), "/streamed") == 0) { evhttp_add_header(evhttp_request_get_output_headers(req), "Content-Length", "39"); } /* generate a chunked/streamed reply */ evhttp_send_reply_start(req, HTTP_OK, "Everything is fine"); /* but trickle it across several iterations to ensure we're not * assuming it comes all at once */ event_base_once(arg, -1, EV_TIMEOUT, http_chunked_trickle_cb, state, &when); } static struct bufferevent * create_bev(struct event_base *base, evutil_socket_t fd, int ssl_mask, int flags_) { int flags = BEV_OPT_DEFER_CALLBACKS | flags_; struct bufferevent *bev = NULL; if (!ssl_mask) { bev = bufferevent_socket_new(base, fd, flags); } else { #ifdef EVENT__HAVE_OPENSSL SSL *ssl = SSL_new(get_ssl_ctx()); if (ssl_mask & HTTP_SSL_FILTER) { struct bufferevent *underlying = bufferevent_socket_new(base, fd, flags); bev = bufferevent_openssl_filter_new( base, underlying, ssl, BUFFEREVENT_SSL_CONNECTING, flags); } else { bev = bufferevent_openssl_socket_new( base, fd, ssl, BUFFEREVENT_SSL_CONNECTING, flags); } bufferevent_openssl_set_allow_dirty_shutdown(bev, 1); #endif } return bev; } static void http_half_writecb(struct bufferevent *bev, void *arg) { if (evbuffer_get_length(bufferevent_get_output(bev)) == 0) { if (!test_ok) { const char http_request[] = "host\r\n" "Connection: close\r\n" "\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); } /* enable reading of the reply */ bufferevent_enable(bev, EV_READ); test_ok++; } } static void http_basic_test_impl(void *arg, int ssl, const char *request_line) { struct basic_test_data *data = arg; struct bufferevent *bev = NULL; evutil_socket_t fd; const char *http_request; ev_uint16_t port = 0, port2 = 0; int server_flags = ssl ? HTTP_BIND_SSL : 0; struct evhttp *http = http_setup(&port, data->base, server_flags); struct evbuffer *out; exit_base = data->base; /* bind to a second socket */ if (http_bind(http, &port2, server_flags) == -1) { fprintf(stdout, "FAILED (bind)\n"); exit(1); } fd = http_connect("127.0.0.1", port); /* Stupid thing to send a request */ bev = create_bev(data->base, fd, ssl, BEV_OPT_CLOSE_ON_FREE); bufferevent_setcb(bev, http_readcb, http_half_writecb, http_errorcb, data->base); out = bufferevent_get_output(bev); /* first half of the http request */ evbuffer_add_printf(out, "%s\r\n" "Host: some", request_line); test_ok = 0; event_base_dispatch(data->base); tt_int_op(test_ok, ==, 3); /* connect to the second port */ bufferevent_free(bev); fd = http_connect("127.0.0.1", port2); /* Stupid thing to send a request */ bev = create_bev(data->base, fd, ssl, BEV_OPT_CLOSE_ON_FREE); bufferevent_setcb(bev, http_readcb, http_writecb, http_errorcb, data->base); out = bufferevent_get_output(bev); evbuffer_add_printf(out, "%s\r\n" "Host: somehost\r\n" "Connection: close\r\n" "\r\n", request_line); test_ok = 0; event_base_dispatch(data->base); tt_int_op(test_ok, ==, 2); /* Connect to the second port again. This time, send an absolute uri. */ bufferevent_free(bev); fd = http_connect("127.0.0.1", port2); /* Stupid thing to send a request */ bev = create_bev(data->base, fd, ssl, BEV_OPT_CLOSE_ON_FREE); bufferevent_setcb(bev, http_readcb, http_writecb, http_errorcb, data->base); http_request = "GET http://somehost.net/test HTTP/1.1\r\n" "Host: somehost\r\n" "Connection: close\r\n" "\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); test_ok = 0; event_base_dispatch(data->base); tt_int_op(test_ok, ==, 2); evhttp_free(http); end: if (bev) bufferevent_free(bev); } static void http_basic_test(void *arg)\ { http_basic_test_impl(arg, 0, "GET /test HTTP/1.1"); } static void http_basic_trailing_space_test(void *arg) { http_basic_test_impl(arg, 0, "GET /test HTTP/1.1 "); } static void http_delay_reply(evutil_socket_t fd, short what, void *arg) { struct evhttp_request *req = arg; evhttp_send_reply(req, HTTP_OK, "Everything is fine", NULL); ++test_ok; } static void http_delay_cb(struct evhttp_request *req, void *arg) { struct timeval tv; evutil_timerclear(&tv); tv.tv_sec = 0; tv.tv_usec = 200 * 1000; event_base_once(arg, -1, EV_TIMEOUT, http_delay_reply, req, &tv); } static void http_badreq_cb(struct evhttp_request *req, void *arg) { struct evbuffer *buf = evbuffer_new(); evhttp_add_header(evhttp_request_get_output_headers(req), "Content-Type", "text/xml; charset=UTF-8"); evbuffer_add_printf(buf, "Hello, %s!", "127.0.0.1"); evhttp_send_reply(req, HTTP_OK, "OK", buf); evbuffer_free(buf); } static void http_badreq_errorcb(struct bufferevent *bev, short what, void *arg) { TT_BLATHER(("%s: called (what=%04x, arg=%p)", __func__, what, arg)); /* ignore */ } static void http_badreq_readcb(struct bufferevent *bev, void *arg) { const char *what = "Hello, 127.0.0.1"; const char *bad_request = "400 Bad Request"; if (evbuffer_contains(bufferevent_get_input(bev), bad_request)) { TT_FAIL(("%s:bad request detected", __func__)); bufferevent_disable(bev, EV_READ); event_base_loopexit(arg, NULL); return; } if (evbuffer_contains(bufferevent_get_input(bev), what)) { struct evhttp_request *req = evhttp_request_new(NULL, NULL); enum message_read_status done; /* req->kind = EVHTTP_RESPONSE; */ done = evhttp_parse_firstline_(req, bufferevent_get_input(bev)); if (done != ALL_DATA_READ) goto out; done = evhttp_parse_headers_(req, bufferevent_get_input(bev)); if (done != ALL_DATA_READ) goto out; if (done == 1 && evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Type") != NULL) test_ok++; out: evhttp_request_free(req); evbuffer_drain(bufferevent_get_input(bev), evbuffer_get_length(bufferevent_get_input(bev))); } shutdown(bufferevent_getfd(bev), EVUTIL_SHUT_WR); } static void http_badreq_successcb(evutil_socket_t fd, short what, void *arg) { TT_BLATHER(("%s: called (what=%04x, arg=%p)", __func__, what, arg)); event_base_loopexit(exit_base, NULL); } static void http_bad_request_test(void *arg) { struct basic_test_data *data = arg; struct timeval tv; struct bufferevent *bev = NULL; evutil_socket_t fd = EVUTIL_INVALID_SOCKET; const char *http_request; ev_uint16_t port=0, port2=0; struct evhttp *http = http_setup(&port, data->base, 0); test_ok = 0; exit_base = data->base; /* bind to a second socket */ if (http_bind(http, &port2, 0) == -1) TT_DIE(("Bind socket failed")); /* NULL request test */ fd = http_connect("127.0.0.1", port); tt_assert(fd != EVUTIL_INVALID_SOCKET); /* Stupid thing to send a request */ bev = bufferevent_socket_new(data->base, fd, 0); bufferevent_setcb(bev, http_badreq_readcb, http_writecb, http_badreq_errorcb, data->base); bufferevent_enable(bev, EV_READ); /* real NULL request */ http_request = ""; bufferevent_write(bev, http_request, strlen(http_request)); shutdown(fd, EVUTIL_SHUT_WR); timerclear(&tv); tv.tv_usec = 10000; event_base_once(data->base, -1, EV_TIMEOUT, http_badreq_successcb, bev, &tv); event_base_dispatch(data->base); bufferevent_free(bev); evutil_closesocket(fd); if (test_ok != 0) { fprintf(stdout, "FAILED\n"); exit(1); } /* Second answer (BAD REQUEST) on connection close */ /* connect to the second port */ fd = http_connect("127.0.0.1", port2); tt_assert(fd != EVUTIL_INVALID_SOCKET); /* Stupid thing to send a request */ bev = bufferevent_socket_new(data->base, fd, 0); bufferevent_setcb(bev, http_badreq_readcb, http_writecb, http_badreq_errorcb, data->base); bufferevent_enable(bev, EV_READ); /* first half of the http request */ http_request = "GET /badrequest HTTP/1.0\r\n" \ "Connection: Keep-Alive\r\n" \ "\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); timerclear(&tv); tv.tv_usec = 10000; event_base_once(data->base, -1, EV_TIMEOUT, http_badreq_successcb, bev, &tv); event_base_dispatch(data->base); tt_int_op(test_ok, ==, 2); end: evhttp_free(http); if (bev) bufferevent_free(bev); if (fd >= 0) evutil_closesocket(fd); } static struct evhttp_connection *delayed_client; static void http_large_delay_cb(struct evhttp_request *req, void *arg) { struct timeval tv; evutil_timerclear(&tv); tv.tv_usec = 500000; event_base_once(arg, -1, EV_TIMEOUT, http_delay_reply, req, &tv); evhttp_connection_fail_(delayed_client, EVREQ_HTTP_EOF); } /* * HTTP DELETE test, just piggyback on the basic test */ static void http_delete_cb(struct evhttp_request *req, void *arg) { struct evbuffer *evb = evbuffer_new(); int empty = evhttp_find_header(evhttp_request_get_input_headers(req), "Empty") != NULL; /* Expecting a DELETE request */ if (evhttp_request_get_command(req) != EVHTTP_REQ_DELETE) { fprintf(stdout, "FAILED (delete type)\n"); exit(1); } TT_BLATHER(("%s: called\n", __func__)); evbuffer_add_printf(evb, BASIC_REQUEST_BODY); /* allow sending of an empty reply */ evhttp_send_reply(req, HTTP_OK, "Everything is fine", !empty ? evb : NULL); evbuffer_free(evb); } static void http_delete_test(void *arg) { struct basic_test_data *data = arg; struct bufferevent *bev; evutil_socket_t fd = EVUTIL_INVALID_SOCKET; const char *http_request; ev_uint16_t port = 0; struct evhttp *http = http_setup(&port, data->base, 0); exit_base = data->base; test_ok = 0; tt_assert(http); fd = http_connect("127.0.0.1", port); tt_assert(fd != EVUTIL_INVALID_SOCKET); /* Stupid thing to send a request */ bev = bufferevent_socket_new(data->base, fd, 0); bufferevent_setcb(bev, http_readcb, http_writecb, http_errorcb, data->base); http_request = "DELETE /deleteit HTTP/1.1\r\n" "Host: somehost\r\n" "Connection: close\r\n" "\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); event_base_dispatch(data->base); bufferevent_free(bev); evutil_closesocket(fd); fd = EVUTIL_INVALID_SOCKET; evhttp_free(http); tt_int_op(test_ok, ==, 2); end: if (fd >= 0) evutil_closesocket(fd); } static void http_sent_cb(struct evhttp_request *req, void *arg) { ev_uintptr_t val = (ev_uintptr_t)arg; struct evbuffer *b; if (val != 0xDEADBEEF) { fprintf(stdout, "FAILED on_complete_cb argument\n"); exit(1); } b = evhttp_request_get_output_buffer(req); if (evbuffer_get_length(b) != 0) { fprintf(stdout, "FAILED on_complete_cb output buffer not written\n"); exit(1); } TT_BLATHER(("%s: called\n", __func__)); ++test_ok; } static void http_on_complete_cb(struct evhttp_request *req, void *arg) { struct evbuffer *evb = evbuffer_new(); evhttp_request_set_on_complete_cb(req, http_sent_cb, (void *)0xDEADBEEF); TT_BLATHER(("%s: called\n", __func__)); evbuffer_add_printf(evb, BASIC_REQUEST_BODY); /* allow sending of an empty reply */ evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb); evbuffer_free(evb); ++test_ok; } static void http_on_complete_test(void *arg) { struct basic_test_data *data = arg; struct bufferevent *bev; evutil_socket_t fd = EVUTIL_INVALID_SOCKET; const char *http_request; ev_uint16_t port = 0; struct evhttp *http = http_setup(&port, data->base, 0); exit_base = data->base; test_ok = 0; fd = http_connect("127.0.0.1", port); tt_assert(fd != EVUTIL_INVALID_SOCKET); /* Stupid thing to send a request */ bev = bufferevent_socket_new(data->base, fd, 0); bufferevent_setcb(bev, http_readcb, http_writecb, http_errorcb, data->base); http_request = "GET /oncomplete HTTP/1.1\r\n" "Host: somehost\r\n" "Connection: close\r\n" "\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); event_base_dispatch(data->base); bufferevent_free(bev); evhttp_free(http); tt_int_op(test_ok, ==, 4); end: if (fd >= 0) evutil_closesocket(fd); } static void http_allowed_methods_eventcb(struct bufferevent *bev, short what, void *arg) { char **output = arg; if ((what & (BEV_EVENT_ERROR|BEV_EVENT_EOF))) { char buf[4096]; int n; n = evbuffer_remove(bufferevent_get_input(bev), buf, sizeof(buf)-1); if (n >= 0) { buf[n]='\0'; if (*output) free(*output); *output = strdup(buf); } event_base_loopexit(exit_base, NULL); } } static void http_allowed_methods_test(void *arg) { struct basic_test_data *data = arg; struct bufferevent *bev1, *bev2, *bev3; evutil_socket_t fd1=-1, fd2=-1, fd3=-1; const char *http_request; char *result1=NULL, *result2=NULL, *result3=NULL; ev_uint16_t port = 0; struct evhttp *http = http_setup(&port, data->base, 0); exit_base = data->base; test_ok = 0; fd1 = http_connect("127.0.0.1", port); tt_assert(fd1 != EVUTIL_INVALID_SOCKET); /* GET is out; PATCH is in. */ evhttp_set_allowed_methods(http, EVHTTP_REQ_PATCH); /* Stupid thing to send a request */ bev1 = bufferevent_socket_new(data->base, fd1, 0); bufferevent_enable(bev1, EV_READ|EV_WRITE); bufferevent_setcb(bev1, NULL, NULL, http_allowed_methods_eventcb, &result1); http_request = "GET /index.html HTTP/1.1\r\n" "Host: somehost\r\n" "Connection: close\r\n" "\r\n"; bufferevent_write(bev1, http_request, strlen(http_request)); event_base_dispatch(data->base); fd2 = http_connect("127.0.0.1", port); tt_assert(fd2 != EVUTIL_INVALID_SOCKET); bev2 = bufferevent_socket_new(data->base, fd2, 0); bufferevent_enable(bev2, EV_READ|EV_WRITE); bufferevent_setcb(bev2, NULL, NULL, http_allowed_methods_eventcb, &result2); http_request = "PATCH /test HTTP/1.1\r\n" "Host: somehost\r\n" "Connection: close\r\n" "\r\n"; bufferevent_write(bev2, http_request, strlen(http_request)); event_base_dispatch(data->base); fd3 = http_connect("127.0.0.1", port); tt_assert(fd3 != EVUTIL_INVALID_SOCKET); bev3 = bufferevent_socket_new(data->base, fd3, 0); bufferevent_enable(bev3, EV_READ|EV_WRITE); bufferevent_setcb(bev3, NULL, NULL, http_allowed_methods_eventcb, &result3); http_request = "FLOOP /test HTTP/1.1\r\n" "Host: somehost\r\n" "Connection: close\r\n" "\r\n"; bufferevent_write(bev3, http_request, strlen(http_request)); event_base_dispatch(data->base); bufferevent_free(bev1); bufferevent_free(bev2); bufferevent_free(bev3); evhttp_free(http); /* Method known but disallowed */ tt_assert(result1); tt_assert(!strncmp(result1, "HTTP/1.1 501 ", strlen("HTTP/1.1 501 "))); /* Method known and allowed */ tt_assert(result2); tt_assert(!strncmp(result2, "HTTP/1.1 200 ", strlen("HTTP/1.1 200 "))); /* Method unknown */ tt_assert(result3); tt_assert(!strncmp(result3, "HTTP/1.1 501 ", strlen("HTTP/1.1 501 "))); end: if (result1) free(result1); if (result2) free(result2); if (result3) free(result3); if (fd1 >= 0) evutil_closesocket(fd1); if (fd2 >= 0) evutil_closesocket(fd2); if (fd3 >= 0) evutil_closesocket(fd3); } static void http_request_no_action_done(struct evhttp_request *, void *); static void http_request_done(struct evhttp_request *, void *); static void http_request_empty_done(struct evhttp_request *, void *); static void http_connection_test_(struct basic_test_data *data, int persistent, const char *address, struct evdns_base *dnsbase, int ipv6, int family, int ssl) { ev_uint16_t port = 0; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; struct evhttp *http; int mask = 0; if (ipv6) mask |= HTTP_BIND_IPV6; if (ssl) mask |= HTTP_BIND_SSL; http = http_setup(&port, data->base, mask); test_ok = 0; if (!http && ipv6) { tt_skip(); } tt_assert(http); if (ssl) { #ifdef EVENT__HAVE_OPENSSL SSL *ssl = SSL_new(get_ssl_ctx()); struct bufferevent *bev = bufferevent_openssl_socket_new( data->base, -1, ssl, BUFFEREVENT_SSL_CONNECTING, BEV_OPT_DEFER_CALLBACKS); bufferevent_openssl_set_allow_dirty_shutdown(bev, 1); evcon = evhttp_connection_base_bufferevent_new(data->base, dnsbase, bev, address, port); #else tt_skip(); #endif } else { evcon = evhttp_connection_base_new(data->base, dnsbase, address, port); } tt_assert(evcon); evhttp_connection_set_family(evcon, family); tt_assert(evhttp_connection_get_base(evcon) == data->base); exit_base = data->base; tt_assert(evhttp_connection_get_server(evcon) == NULL); /* * At this point, we want to schedule a request to the HTTP * server using our make request method. */ req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) { fprintf(stdout, "FAILED\n"); exit(1); } event_base_dispatch(data->base); tt_assert(test_ok); /* try to make another request over the same connection */ test_ok = 0; req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); /* * if our connections are not supposed to be persistent; request * a close from the server. */ if (!persistent) evhttp_add_header(evhttp_request_get_output_headers(req), "Connection", "close"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) { tt_abort_msg("couldn't make request"); } event_base_dispatch(data->base); /* make another request: request empty reply */ test_ok = 0; req = evhttp_request_new(http_request_empty_done, data->base); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Empty", "itis"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); end: if (evcon) evhttp_connection_free(evcon); if (http) evhttp_free(http); } static void http_connection_test(void *arg) { http_connection_test_(arg, 0, "127.0.0.1", NULL, 0, AF_UNSPEC, 0); } static void http_persist_connection_test(void *arg) { http_connection_test_(arg, 1, "127.0.0.1", NULL, 0, AF_UNSPEC, 0); } static struct regress_dns_server_table search_table[] = { { "localhost", "A", "127.0.0.1", 0, 0 }, { NULL, NULL, NULL, 0, 0 } }; static void http_connection_async_test(void *arg) { struct basic_test_data *data = arg; ev_uint16_t port = 0; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; struct evdns_base *dns_base = NULL; ev_uint16_t portnum = 0; char address[64]; struct evhttp *http = http_setup(&port, data->base, 0); exit_base = data->base; tt_assert(regress_dnsserver(data->base, &portnum, search_table)); dns_base = evdns_base_new(data->base, 0/* init name servers */); tt_assert(dns_base); /* Add ourself as the only nameserver, and make sure we really are * the only nameserver. */ evutil_snprintf(address, sizeof(address), "127.0.0.1:%d", portnum); evdns_base_nameserver_ip_add(dns_base, address); test_ok = 0; evcon = evhttp_connection_base_new(data->base, dns_base, "127.0.0.1", port); tt_assert(evcon); /* * At this point, we want to schedule a request to the HTTP * server using our make request method. */ req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) { fprintf(stdout, "FAILED\n"); exit(1); } event_base_dispatch(data->base); tt_assert(test_ok); /* try to make another request over the same connection */ test_ok = 0; req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); /* * if our connections are not supposed to be persistent; request * a close from the server. */ evhttp_add_header(evhttp_request_get_output_headers(req), "Connection", "close"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) { tt_abort_msg("couldn't make request"); } event_base_dispatch(data->base); /* make another request: request empty reply */ test_ok = 0; req = evhttp_request_new(http_request_empty_done, data->base); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Empty", "itis"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); end: if (evcon) evhttp_connection_free(evcon); if (http) evhttp_free(http); if (dns_base) evdns_base_free(dns_base, 0); regress_clean_dnsserver(); } static void http_autofree_connection_test(void *arg) { struct basic_test_data *data = arg; ev_uint16_t port = 0; struct evhttp_connection *evcon = NULL; struct evhttp_request *req[2] = { NULL }; struct evhttp *http = http_setup(&port, data->base, 0); size_t i; test_ok = 0; evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port); tt_assert(evcon); /* * At this point, we want to schedule two request to the HTTP * server using our make request method. */ req[0] = evhttp_request_new(http_request_empty_done, data->base); req[1] = evhttp_request_new(http_request_empty_done, data->base); /* Add the information that we care about */ for (i = 0; i < ARRAY_SIZE(req); ++i) { evhttp_add_header(evhttp_request_get_output_headers(req[i]), "Host", "somehost"); evhttp_add_header(evhttp_request_get_output_headers(req[i]), "Connection", "close"); evhttp_add_header(evhttp_request_get_output_headers(req[i]), "Empty", "itis"); if (evhttp_make_request(evcon, req[i], EVHTTP_REQ_GET, "/test") == -1) { tt_abort_msg("couldn't make request"); } } /* * Tell libevent to free the connection when the request completes * We then set the evcon pointer to NULL since we don't want to free it * when this function ends. */ evhttp_connection_free_on_completion(evcon); evcon = NULL; for (i = 0; i < ARRAY_SIZE(req); ++i) event_base_dispatch(data->base); /* at this point, the http server should have no connection */ tt_assert(TAILQ_FIRST(&http->connections) == NULL); end: if (evcon) evhttp_connection_free(evcon); if (http) evhttp_free(http); } static void http_request_never_call(struct evhttp_request *req, void *arg) { fprintf(stdout, "FAILED\n"); exit(1); } static void http_failed_request_done(struct evhttp_request *req, void *arg) { tt_assert(!req); end: event_base_loopexit(arg, NULL); } #ifndef _WIN32 static void http_timed_out_request_done(struct evhttp_request *req, void *arg) { tt_assert(req); tt_int_op(evhttp_request_get_response_code(req), !=, HTTP_OK); end: event_base_loopexit(arg, NULL); } #endif static void http_request_error_cb_with_cancel(enum evhttp_request_error error, void *arg) { if (error != EVREQ_HTTP_REQUEST_CANCEL) { fprintf(stderr, "FAILED\n"); exit(1); } test_ok = 1; { struct timeval tv; evutil_timerclear(&tv); tv.tv_sec = 0; tv.tv_usec = 500 * 1000; event_base_loopexit(exit_base, &tv); } } static void http_do_cancel(evutil_socket_t fd, short what, void *arg) { struct evhttp_request *req = arg; evhttp_cancel_request(req); ++test_ok; } static void http_no_write(struct evbuffer *buffer, const struct evbuffer_cb_info *info, void *arg) { fprintf(stdout, "FAILED\n"); exit(1); } static void http_free_evcons(struct evhttp_connection **evcons) { struct evhttp_connection *evcon, **orig = evcons; if (!evcons) return; while ((evcon = *evcons++)) { evhttp_connection_free(evcon); } free(orig); } /** fill the backlog to force server drop packages for timeouts */ static struct evhttp_connection ** http_fill_backlog(struct event_base *base, int port) { #define BACKLOG_SIZE 256 struct evhttp_connection **evcon = malloc(sizeof(*evcon) * (BACKLOG_SIZE + 1)); int i; for (i = 0; i < BACKLOG_SIZE; ++i) { struct evhttp_request *req; evcon[i] = evhttp_connection_base_new(base, NULL, "127.0.0.1", port); tt_assert(evcon[i]); evhttp_connection_set_timeout(evcon[i], 5); req = evhttp_request_new(http_request_never_call, NULL); tt_assert(req); tt_int_op(evhttp_make_request(evcon[i], req, EVHTTP_REQ_GET, "/delay"), !=, -1); } evcon[i] = NULL; return evcon; end: fprintf(stderr, "Couldn't fill the backlog"); return NULL; } enum http_cancel_test_type { BASIC = 1, BY_HOST = 2, NO_NS = 4, INACTIVE_SERVER = 8, SERVER_TIMEOUT = 16, NS_TIMEOUT = 32, }; static struct evhttp_request * http_cancel_test_bad_request_new(enum http_cancel_test_type type, struct event_base *base) { #ifndef _WIN32 if (!(type & NO_NS) && (type & SERVER_TIMEOUT)) return evhttp_request_new(http_timed_out_request_done, base); else #endif if ((type & INACTIVE_SERVER) || (type & NO_NS)) return evhttp_request_new(http_failed_request_done, base); else return NULL; } static void http_cancel_test(void *arg) { struct basic_test_data *data = arg; ev_uint16_t port = 0; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; struct bufferevent *bufev = NULL; struct timeval tv; struct evdns_base *dns_base = NULL; ev_uint16_t portnum = 0; char address[64]; struct evhttp *inactive_http = NULL; struct event_base *inactive_base = NULL; struct evhttp_connection **evcons = NULL; struct event_base *base_to_fill = data->base; enum http_cancel_test_type type = (enum http_cancel_test_type)data->setup_data; struct evhttp *http = http_setup(&port, data->base, 0); if (type & BY_HOST) { const char *timeout = (type & NS_TIMEOUT) ? "6" : "3"; tt_assert(regress_dnsserver(data->base, &portnum, search_table)); dns_base = evdns_base_new(data->base, 0/* init name servers */); tt_assert(dns_base); /** XXX: Hack the port to make timeout after resolving */ if (type & NO_NS) ++portnum; evutil_snprintf(address, sizeof(address), "127.0.0.1:%d", portnum); evdns_base_nameserver_ip_add(dns_base, address); evdns_base_set_option(dns_base, "timeout:", timeout); evdns_base_set_option(dns_base, "initial-probe-timeout:", timeout); evdns_base_set_option(dns_base, "attempts:", "1"); } exit_base = data->base; test_ok = 0; if (type & INACTIVE_SERVER) { port = 0; inactive_base = event_base_new(); inactive_http = http_setup(&port, inactive_base, 0); base_to_fill = inactive_base; } if (type & SERVER_TIMEOUT) evcons = http_fill_backlog(base_to_fill, port); evcon = evhttp_connection_base_new( data->base, dns_base, type & BY_HOST ? "localhost" : "127.0.0.1", port); if (type & INACTIVE_SERVER) evhttp_connection_set_timeout(evcon, 5); tt_assert(evcon); bufev = evhttp_connection_get_bufferevent(evcon); /* Guarantee that we stack in connect() not after waiting EV_READ after * write() */ if (type & SERVER_TIMEOUT) evbuffer_add_cb(bufferevent_get_output(bufev), http_no_write, NULL); /* * At this point, we want to schedule a request to the HTTP * server using our make request method. */ req = evhttp_request_new(http_request_never_call, NULL); evhttp_request_set_error_cb(req, http_request_error_cb_with_cancel); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); /* We give ownership of the request to the connection */ tt_int_op(evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/delay"), !=, -1); evutil_timerclear(&tv); tv.tv_sec = 0; tv.tv_usec = 100 * 1000; event_base_once(data->base, -1, EV_TIMEOUT, http_do_cancel, req, &tv); event_base_dispatch(data->base); if (type & NO_NS || type & INACTIVE_SERVER) tt_int_op(test_ok, ==, 2); /** no servers responses */ else tt_int_op(test_ok, ==, 3); /* try to make another request over the same connection */ test_ok = 0; http_free_evcons(evcons); if (type & SERVER_TIMEOUT) evcons = http_fill_backlog(base_to_fill, port); req = http_cancel_test_bad_request_new(type, data->base); if (!req) req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); /* We give ownership of the request to the connection */ tt_int_op(evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test"), !=, -1); event_base_dispatch(data->base); /* make another request: request empty reply */ test_ok = 0; http_free_evcons(evcons); if (type & SERVER_TIMEOUT) evcons = http_fill_backlog(base_to_fill, port); req = http_cancel_test_bad_request_new(type, data->base); if (!req) req = evhttp_request_new(http_request_empty_done, data->base); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Empty", "itis"); /* We give ownership of the request to the connection */ tt_int_op(evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test"), !=, -1); event_base_dispatch(data->base); end: http_free_evcons(evcons); if (bufev) evbuffer_remove_cb(bufferevent_get_output(bufev), http_no_write, NULL); if (evcon) evhttp_connection_free(evcon); if (http) evhttp_free(http); if (dns_base) evdns_base_free(dns_base, 0); regress_clean_dnsserver(); if (inactive_http) evhttp_free(inactive_http); if (inactive_base) event_base_free(inactive_base); } static void http_request_no_action_done(struct evhttp_request *req, void *arg) { EVUTIL_ASSERT(exit_base); event_base_loopexit(exit_base, NULL); } static void http_request_done(struct evhttp_request *req, void *arg) { const char *what = arg; if (!req) { fprintf(stderr, "FAILED\n"); exit(1); } if (evhttp_request_get_response_code(req) != HTTP_OK) { fprintf(stderr, "FAILED\n"); exit(1); } if (evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Type") == NULL) { fprintf(stderr, "FAILED\n"); exit(1); } if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != strlen(what)) { fprintf(stderr, "FAILED\n"); exit(1); } if (evbuffer_datacmp(evhttp_request_get_input_buffer(req), what) != 0) { fprintf(stderr, "FAILED\n"); exit(1); } test_ok = 1; EVUTIL_ASSERT(exit_base); event_base_loopexit(exit_base, NULL); } static void http_request_expect_error(struct evhttp_request *req, void *arg) { if (evhttp_request_get_response_code(req) == HTTP_OK) { fprintf(stderr, "FAILED\n"); exit(1); } test_ok = 1; EVUTIL_ASSERT(arg); event_base_loopexit(arg, NULL); } /* test virtual hosts */ static void http_virtual_host_test(void *arg) { struct basic_test_data *data = arg; ev_uint16_t port = 0; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; struct evhttp *second = NULL, *third = NULL; evutil_socket_t fd; struct bufferevent *bev; const char *http_request; struct evhttp *http = http_setup(&port, data->base, 0); exit_base = data->base; /* virtual host */ second = evhttp_new(NULL); evhttp_set_cb(second, "/funnybunny", http_basic_cb, http); third = evhttp_new(NULL); evhttp_set_cb(third, "/blackcoffee", http_basic_cb, http); if (evhttp_add_virtual_host(http, "foo.com", second) == -1) { tt_abort_msg("Couldn't add vhost"); } if (evhttp_add_virtual_host(http, "bar.*.foo.com", third) == -1) { tt_abort_msg("Couldn't add wildcarded vhost"); } /* add some aliases to the vhosts */ tt_assert(evhttp_add_server_alias(second, "manolito.info") == 0); tt_assert(evhttp_add_server_alias(third, "bonkers.org") == 0); evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port); tt_assert(evcon); /* make a request with a different host and expect an error */ req = evhttp_request_new(http_request_expect_error, data->base); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/funnybunny") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); tt_assert(test_ok == 1); test_ok = 0; /* make a request with the right host and expect a response */ req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "foo.com"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/funnybunny") == -1) { fprintf(stdout, "FAILED\n"); exit(1); } event_base_dispatch(data->base); tt_assert(test_ok == 1); test_ok = 0; /* make a request with the right host and expect a response */ req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "bar.magic.foo.com"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/blackcoffee") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); tt_assert(test_ok == 1) test_ok = 0; /* make a request with the right host and expect a response */ req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "manolito.info"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/funnybunny") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); tt_assert(test_ok == 1) test_ok = 0; /* make a request with the right host and expect a response */ req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY); /* Add the Host header. This time with the optional port. */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "bonkers.org:8000"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/blackcoffee") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); tt_assert(test_ok == 1) test_ok = 0; /* Now make a raw request with an absolute URI. */ fd = http_connect("127.0.0.1", port); tt_assert(fd != EVUTIL_INVALID_SOCKET); /* Stupid thing to send a request */ bev = bufferevent_socket_new(data->base, fd, 0); bufferevent_setcb(bev, http_readcb, http_writecb, http_errorcb, NULL); /* The host in the URI should override the Host: header */ http_request = "GET http://manolito.info/funnybunny HTTP/1.1\r\n" "Host: somehost\r\n" "Connection: close\r\n" "\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); event_base_dispatch(data->base); tt_int_op(test_ok, ==, 2); bufferevent_free(bev); evutil_closesocket(fd); end: if (evcon) evhttp_connection_free(evcon); if (http) evhttp_free(http); } /* test date header and content length */ static void http_request_empty_done(struct evhttp_request *req, void *arg) { if (!req) { fprintf(stderr, "FAILED\n"); exit(1); } if (evhttp_request_get_response_code(req) != HTTP_OK) { fprintf(stderr, "FAILED\n"); exit(1); } if (evhttp_find_header(evhttp_request_get_input_headers(req), "Date") == NULL) { fprintf(stderr, "FAILED\n"); exit(1); } if (evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Length") == NULL) { fprintf(stderr, "FAILED\n"); exit(1); } if (strcmp(evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Length"), "0")) { fprintf(stderr, "FAILED\n"); exit(1); } if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != 0) { fprintf(stderr, "FAILED\n"); exit(1); } test_ok = 1; EVUTIL_ASSERT(arg); event_base_loopexit(arg, NULL); } /* * HTTP DISPATCHER test */ void http_dispatcher_cb(struct evhttp_request *req, void *arg) { struct evbuffer *evb = evbuffer_new(); TT_BLATHER(("%s: called\n", __func__)); evbuffer_add_printf(evb, "DISPATCHER_TEST"); evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb); evbuffer_free(evb); } static void http_dispatcher_test_done(struct evhttp_request *req, void *arg) { struct event_base *base = arg; const char *what = "DISPATCHER_TEST"; if (!req) { fprintf(stderr, "FAILED\n"); exit(1); } if (evhttp_request_get_response_code(req) != HTTP_OK) { fprintf(stderr, "FAILED\n"); exit(1); } if (evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Type") == NULL) { fprintf(stderr, "FAILED (content type)\n"); exit(1); } if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != strlen(what)) { fprintf(stderr, "FAILED (length %lu vs %lu)\n", (unsigned long)evbuffer_get_length(evhttp_request_get_input_buffer(req)), (unsigned long)strlen(what)); exit(1); } if (evbuffer_datacmp(evhttp_request_get_input_buffer(req), what) != 0) { fprintf(stderr, "FAILED (data)\n"); exit(1); } test_ok = 1; event_base_loopexit(base, NULL); } static void http_dispatcher_test(void *arg) { struct basic_test_data *data = arg; ev_uint16_t port = 0; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; struct evhttp *http = http_setup(&port, data->base, 0); test_ok = 0; evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port); tt_assert(evcon); /* also bind to local host */ evhttp_connection_set_local_address(evcon, "127.0.0.1"); /* * At this point, we want to schedule an HTTP GET request * server using our make request method. */ req = evhttp_request_new(http_dispatcher_test_done, data->base); tt_assert(req); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/?arg=val") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); end: if (evcon) evhttp_connection_free(evcon); if (http) evhttp_free(http); } /* * HTTP POST test. */ void http_postrequest_done(struct evhttp_request *, void *); #define POST_DATA "Okay. Not really printf" static void http_post_test(void *arg) { struct basic_test_data *data = arg; ev_uint16_t port = 0; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; struct evhttp *http = http_setup(&port, data->base, 0); test_ok = 0; evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port); tt_assert(evcon); /* * At this point, we want to schedule an HTTP POST request * server using our make request method. */ req = evhttp_request_new(http_postrequest_done, data->base); tt_assert(req); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); evbuffer_add_printf(evhttp_request_get_output_buffer(req), POST_DATA); if (evhttp_make_request(evcon, req, EVHTTP_REQ_POST, "/postit") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); tt_int_op(test_ok, ==, 1); test_ok = 0; req = evhttp_request_new(http_postrequest_done, data->base); tt_assert(req); /* Now try with 100-continue. */ /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); evhttp_add_header(evhttp_request_get_output_headers(req), "Expect", "100-continue"); evbuffer_add_printf(evhttp_request_get_output_buffer(req), POST_DATA); if (evhttp_make_request(evcon, req, EVHTTP_REQ_POST, "/postit") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); tt_int_op(test_ok, ==, 1); evhttp_connection_free(evcon); evhttp_free(http); end: ; } void http_post_cb(struct evhttp_request *req, void *arg) { struct evbuffer *evb; TT_BLATHER(("%s: called\n", __func__)); /* Yes, we are expecting a post request */ if (evhttp_request_get_command(req) != EVHTTP_REQ_POST) { fprintf(stdout, "FAILED (post type)\n"); exit(1); } if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != strlen(POST_DATA)) { fprintf(stdout, "FAILED (length: %lu vs %lu)\n", (unsigned long) evbuffer_get_length(evhttp_request_get_input_buffer(req)), (unsigned long) strlen(POST_DATA)); exit(1); } if (evbuffer_datacmp(evhttp_request_get_input_buffer(req), POST_DATA) != 0) { fprintf(stdout, "FAILED (data)\n"); fprintf(stdout, "Got :%s\n", evbuffer_pullup(evhttp_request_get_input_buffer(req),-1)); fprintf(stdout, "Want:%s\n", POST_DATA); exit(1); } evb = evbuffer_new(); evbuffer_add_printf(evb, BASIC_REQUEST_BODY); evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb); evbuffer_free(evb); } void http_postrequest_done(struct evhttp_request *req, void *arg) { const char *what = BASIC_REQUEST_BODY; struct event_base *base = arg; if (req == NULL) { fprintf(stderr, "FAILED (timeout)\n"); exit(1); } if (evhttp_request_get_response_code(req) != HTTP_OK) { fprintf(stderr, "FAILED (response code)\n"); exit(1); } if (evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Type") == NULL) { fprintf(stderr, "FAILED (content type)\n"); exit(1); } if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != strlen(what)) { fprintf(stderr, "FAILED (length %lu vs %lu)\n", (unsigned long)evbuffer_get_length(evhttp_request_get_input_buffer(req)), (unsigned long)strlen(what)); exit(1); } if (evbuffer_datacmp(evhttp_request_get_input_buffer(req), what) != 0) { fprintf(stderr, "FAILED (data)\n"); exit(1); } test_ok = 1; event_base_loopexit(base, NULL); } /* * HTTP PUT test, basically just like POST, but ... */ void http_putrequest_done(struct evhttp_request *, void *); #define PUT_DATA "Hi, I'm some PUT data" static void http_put_test(void *arg) { struct basic_test_data *data = arg; ev_uint16_t port = 0; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; struct evhttp *http = http_setup(&port, data->base, 0); test_ok = 0; evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port); tt_assert(evcon); /* * Schedule the HTTP PUT request */ req = evhttp_request_new(http_putrequest_done, data->base); tt_assert(req); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "someotherhost"); evbuffer_add_printf(evhttp_request_get_output_buffer(req), PUT_DATA); if (evhttp_make_request(evcon, req, EVHTTP_REQ_PUT, "/putit") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); evhttp_connection_free(evcon); evhttp_free(http); tt_int_op(test_ok, ==, 1); end: ; } void http_put_cb(struct evhttp_request *req, void *arg) { struct evbuffer *evb; TT_BLATHER(("%s: called\n", __func__)); /* Expecting a PUT request */ if (evhttp_request_get_command(req) != EVHTTP_REQ_PUT) { fprintf(stdout, "FAILED (put type)\n"); exit(1); } if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != strlen(PUT_DATA)) { fprintf(stdout, "FAILED (length: %lu vs %lu)\n", (unsigned long)evbuffer_get_length(evhttp_request_get_input_buffer(req)), (unsigned long)strlen(PUT_DATA)); exit(1); } if (evbuffer_datacmp(evhttp_request_get_input_buffer(req), PUT_DATA) != 0) { fprintf(stdout, "FAILED (data)\n"); fprintf(stdout, "Got :%s\n", evbuffer_pullup(evhttp_request_get_input_buffer(req),-1)); fprintf(stdout, "Want:%s\n", PUT_DATA); exit(1); } evb = evbuffer_new(); evbuffer_add_printf(evb, "That ain't funny"); evhttp_send_reply(req, HTTP_OK, "Everything is great", evb); evbuffer_free(evb); } void http_putrequest_done(struct evhttp_request *req, void *arg) { struct event_base *base = arg; const char *what = "That ain't funny"; if (req == NULL) { fprintf(stderr, "FAILED (timeout)\n"); exit(1); } if (evhttp_request_get_response_code(req) != HTTP_OK) { fprintf(stderr, "FAILED (response code)\n"); exit(1); } if (evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Type") == NULL) { fprintf(stderr, "FAILED (content type)\n"); exit(1); } if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != strlen(what)) { fprintf(stderr, "FAILED (length %lu vs %lu)\n", (unsigned long)evbuffer_get_length(evhttp_request_get_input_buffer(req)), (unsigned long)strlen(what)); exit(1); } if (evbuffer_datacmp(evhttp_request_get_input_buffer(req), what) != 0) { fprintf(stderr, "FAILED (data)\n"); exit(1); } test_ok = 1; event_base_loopexit(base, NULL); } static void http_failure_readcb(struct bufferevent *bev, void *arg) { const char *what = "400 Bad Request"; if (evbuffer_contains(bufferevent_get_input(bev), what)) { test_ok = 2; bufferevent_disable(bev, EV_READ); event_base_loopexit(arg, NULL); } } /* * Testing that the HTTP server can deal with a malformed request. */ static void http_failure_test(void *arg) { struct basic_test_data *data = arg; struct bufferevent *bev; evutil_socket_t fd = EVUTIL_INVALID_SOCKET; const char *http_request; ev_uint16_t port = 0; struct evhttp *http = http_setup(&port, data->base, 0); test_ok = 0; fd = http_connect("127.0.0.1", port); tt_assert(fd != EVUTIL_INVALID_SOCKET); /* Stupid thing to send a request */ bev = bufferevent_socket_new(data->base, fd, 0); bufferevent_setcb(bev, http_failure_readcb, http_writecb, http_errorcb, data->base); http_request = "illegal request\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); event_base_dispatch(data->base); bufferevent_free(bev); evhttp_free(http); tt_int_op(test_ok, ==, 2); end: if (fd >= 0) evutil_closesocket(fd); } static void close_detect_done(struct evhttp_request *req, void *arg) { struct timeval tv; tt_assert(req); tt_assert(evhttp_request_get_response_code(req) == HTTP_OK); test_ok = 1; end: evutil_timerclear(&tv); tv.tv_usec = 150000; event_base_loopexit(arg, &tv); } static void close_detect_launch(evutil_socket_t fd, short what, void *arg) { struct evhttp_connection *evcon = arg; struct event_base *base = evhttp_connection_get_base(evcon); struct evhttp_request *req; req = evhttp_request_new(close_detect_done, base); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) { tt_fail_msg("Couldn't make request"); } } static void close_detect_cb(struct evhttp_request *req, void *arg) { struct evhttp_connection *evcon = arg; struct event_base *base = evhttp_connection_get_base(evcon); struct timeval tv; if (req != NULL && evhttp_request_get_response_code(req) != HTTP_OK) { tt_abort_msg("Failed"); } evutil_timerclear(&tv); tv.tv_sec = 0; /* longer than the http time out */ tv.tv_usec = 600000; /* longer than the http time out */ /* launch a new request on the persistent connection in .3 seconds */ event_base_once(base, -1, EV_TIMEOUT, close_detect_launch, evcon, &tv); end: ; } static void http_close_detection_(struct basic_test_data *data, int with_delay) { ev_uint16_t port = 0; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; const struct timeval sec_tenth = { 0, 100000 }; struct evhttp *http = http_setup(&port, data->base, 0); test_ok = 0; /* .1 second timeout */ evhttp_set_timeout_tv(http, &sec_tenth); evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port); tt_assert(evcon); evhttp_connection_set_timeout_tv(evcon, &sec_tenth); tt_assert(evcon); delayed_client = evcon; /* * At this point, we want to schedule a request to the HTTP * server using our make request method. */ req = evhttp_request_new(close_detect_cb, evcon); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, with_delay ? "/largedelay" : "/test") == -1) { tt_abort_msg("couldn't make request"); } event_base_dispatch(data->base); /* at this point, the http server should have no connection */ tt_assert(TAILQ_FIRST(&http->connections) == NULL); end: if (evcon) evhttp_connection_free(evcon); if (http) evhttp_free(http); } static void http_close_detection_test(void *arg) { http_close_detection_(arg, 0); } static void http_close_detection_delay_test(void *arg) { http_close_detection_(arg, 1); } static void http_highport_test(void *arg) { struct basic_test_data *data = arg; int i = -1; struct evhttp *myhttp = NULL; /* Try a few different ports */ for (i = 0; i < 50; ++i) { myhttp = evhttp_new(data->base); if (evhttp_bind_socket(myhttp, "127.0.0.1", 65535 - i) == 0) { test_ok = 1; evhttp_free(myhttp); return; } evhttp_free(myhttp); } tt_fail_msg("Couldn't get a high port"); } static void http_bad_header_test(void *ptr) { struct evkeyvalq headers; TAILQ_INIT(&headers); tt_want(evhttp_add_header(&headers, "One", "Two") == 0); tt_want(evhttp_add_header(&headers, "One", "Two\r\n Three") == 0); tt_want(evhttp_add_header(&headers, "One\r", "Two") == -1); tt_want(evhttp_add_header(&headers, "One\n", "Two") == -1); tt_want(evhttp_add_header(&headers, "One", "Two\r") == -1); tt_want(evhttp_add_header(&headers, "One", "Two\n") == -1); evhttp_clear_headers(&headers); } static int validate_header( const struct evkeyvalq* headers, const char *key, const char *value) { const char *real_val = evhttp_find_header(headers, key); tt_assert(real_val != NULL); tt_want(strcmp(real_val, value) == 0); end: return (0); } static void http_parse_query_test(void *ptr) { struct evkeyvalq headers; int r; TAILQ_INIT(&headers); r = evhttp_parse_query("http://www.test.com/?q=test", &headers); tt_want(validate_header(&headers, "q", "test") == 0); tt_int_op(r, ==, 0); evhttp_clear_headers(&headers); r = evhttp_parse_query("http://www.test.com/?q=test&foo=bar", &headers); tt_want(validate_header(&headers, "q", "test") == 0); tt_want(validate_header(&headers, "foo", "bar") == 0); tt_int_op(r, ==, 0); evhttp_clear_headers(&headers); r = evhttp_parse_query("http://www.test.com/?q=test+foo", &headers); tt_want(validate_header(&headers, "q", "test foo") == 0); tt_int_op(r, ==, 0); evhttp_clear_headers(&headers); r = evhttp_parse_query("http://www.test.com/?q=test%0Afoo", &headers); tt_want(validate_header(&headers, "q", "test\nfoo") == 0); tt_int_op(r, ==, 0); evhttp_clear_headers(&headers); r = evhttp_parse_query("http://www.test.com/?q=test%0Dfoo", &headers); tt_want(validate_header(&headers, "q", "test\rfoo") == 0); tt_int_op(r, ==, 0); evhttp_clear_headers(&headers); r = evhttp_parse_query("http://www.test.com/?q=test&&q2", &headers); tt_int_op(r, ==, -1); evhttp_clear_headers(&headers); r = evhttp_parse_query("http://www.test.com/?q=test+this", &headers); tt_want(validate_header(&headers, "q", "test this") == 0); tt_int_op(r, ==, 0); evhttp_clear_headers(&headers); r = evhttp_parse_query("http://www.test.com/?q=test&q2=foo", &headers); tt_int_op(r, ==, 0); tt_want(validate_header(&headers, "q", "test") == 0); tt_want(validate_header(&headers, "q2", "foo") == 0); evhttp_clear_headers(&headers); r = evhttp_parse_query("http://www.test.com/?q&q2=foo", &headers); tt_int_op(r, ==, -1); evhttp_clear_headers(&headers); r = evhttp_parse_query("http://www.test.com/?q=foo&q2", &headers); tt_int_op(r, ==, -1); evhttp_clear_headers(&headers); r = evhttp_parse_query("http://www.test.com/?q=foo&q2&q3=x", &headers); tt_int_op(r, ==, -1); evhttp_clear_headers(&headers); r = evhttp_parse_query("http://www.test.com/?q=&q2=&q3=", &headers); tt_int_op(r, ==, 0); tt_want(validate_header(&headers, "q", "") == 0); tt_want(validate_header(&headers, "q2", "") == 0); tt_want(validate_header(&headers, "q3", "") == 0); evhttp_clear_headers(&headers); end: evhttp_clear_headers(&headers); } static void http_parse_query_str_test(void *ptr) { struct evkeyvalq headers; int r; TAILQ_INIT(&headers); r = evhttp_parse_query_str("http://www.test.com/?q=test", &headers); tt_assert(evhttp_find_header(&headers, "q") == NULL); tt_int_op(r, ==, 0); evhttp_clear_headers(&headers); r = evhttp_parse_query_str("q=test", &headers); tt_want(validate_header(&headers, "q", "test") == 0); tt_int_op(r, ==, 0); evhttp_clear_headers(&headers); end: evhttp_clear_headers(&headers); } static void http_parse_uri_test(void *ptr) { const int nonconform = (ptr != NULL); const unsigned parse_flags = nonconform ? EVHTTP_URI_NONCONFORMANT : 0; struct evhttp_uri *uri = NULL; char url_tmp[4096]; #define URI_PARSE(uri) \ evhttp_uri_parse_with_flags((uri), parse_flags) #define TT_URI(want) do { \ char *ret = evhttp_uri_join(uri, url_tmp, sizeof(url_tmp)); \ tt_want(ret != NULL); \ tt_want(ret == url_tmp); \ if (strcmp(ret,want) != 0) \ TT_FAIL(("\"%s\" != \"%s\"",ret,want)); \ } while(0) tt_want(evhttp_uri_join(NULL, 0, 0) == NULL); tt_want(evhttp_uri_join(NULL, url_tmp, 0) == NULL); tt_want(evhttp_uri_join(NULL, url_tmp, sizeof(url_tmp)) == NULL); /* bad URIs: parsing */ #define BAD(s) do { \ if (URI_PARSE(s) != NULL) \ TT_FAIL(("Expected error parsing \"%s\"",s)); \ } while(0) /* Nonconformant URIs we can parse: parsing */ #define NCF(s) do { \ uri = URI_PARSE(s); \ if (uri != NULL && !nonconform) { \ TT_FAIL(("Expected error parsing \"%s\"",s)); \ } else if (uri == NULL && nonconform) { \ TT_FAIL(("Couldn't parse nonconformant URI \"%s\"", \ s)); \ } \ if (uri) { \ tt_want(evhttp_uri_join(uri, url_tmp, \ sizeof(url_tmp))); \ evhttp_uri_free(uri); \ } \ } while(0) NCF("http://www.test.com/ why hello"); NCF("http://www.test.com/why-hello\x01"); NCF("http://www.test.com/why-hello?\x01"); NCF("http://www.test.com/why-hello#\x01"); BAD("http://www.\x01.test.com/why-hello"); BAD("http://www.%7test.com/why-hello"); NCF("http://www.test.com/why-hell%7o"); BAD("h%3ttp://www.test.com/why-hello"); NCF("http://www.test.com/why-hello%7"); NCF("http://www.test.com/why-hell%7o"); NCF("http://www.test.com/foo?ba%r"); NCF("http://www.test.com/foo#ba%r"); BAD("99:99/foo"); BAD("http://www.test.com:999x/"); BAD("http://www.test.com:x/"); BAD("http://[hello-there]/"); BAD("http://[::1]]/"); BAD("http://[::1/"); BAD("http://[foob/"); BAD("http://[/"); BAD("http://[ffff:ffff:ffff:ffff:Ffff:ffff:ffff:" "ffff:ffff:ffff:ffff:ffff:ffff:ffff]/"); BAD("http://[vX.foo]/"); BAD("http://[vX.foo]/"); BAD("http://[v.foo]/"); BAD("http://[v5.fo%o]/"); BAD("http://[v5X]/"); BAD("http://[v5]/"); BAD("http://[]/"); BAD("http://f\x01red@www.example.com/"); BAD("http://f%0red@www.example.com/"); BAD("http://www.example.com:9999999999999999999999999999999999999/"); BAD("http://www.example.com:hihi/"); BAD("://www.example.com/"); /* bad URIs: joining */ uri = evhttp_uri_new(); tt_want(0==evhttp_uri_set_host(uri, "www.example.com")); tt_want(evhttp_uri_join(uri, url_tmp, sizeof(url_tmp)) != NULL); /* not enough space: */ tt_want(evhttp_uri_join(uri, url_tmp, 3) == NULL); /* host is set, but path doesn't start with "/": */ tt_want(0==evhttp_uri_set_path(uri, "hi_mom")); tt_want(evhttp_uri_join(uri, url_tmp, sizeof(url_tmp)) == NULL); tt_want(evhttp_uri_join(uri, NULL, sizeof(url_tmp))==NULL); tt_want(evhttp_uri_join(uri, url_tmp, 0)==NULL); evhttp_uri_free(uri); uri = URI_PARSE("mailto:foo@bar"); tt_want(uri != NULL); tt_want(evhttp_uri_get_host(uri) == NULL); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(!strcmp(evhttp_uri_get_scheme(uri), "mailto")); tt_want(!strcmp(evhttp_uri_get_path(uri), "foo@bar")); tt_want(evhttp_uri_get_query(uri) == NULL); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("mailto:foo@bar"); evhttp_uri_free(uri); uri = evhttp_uri_new(); /* Bad URI usage: setting invalid values */ tt_want(-1 == evhttp_uri_set_scheme(uri,"")); tt_want(-1 == evhttp_uri_set_scheme(uri,"33")); tt_want(-1 == evhttp_uri_set_scheme(uri,"hi!")); tt_want(-1 == evhttp_uri_set_userinfo(uri,"hello@")); tt_want(-1 == evhttp_uri_set_host(uri,"[1.2.3.4]")); tt_want(-1 == evhttp_uri_set_host(uri,"[")); tt_want(-1 == evhttp_uri_set_host(uri,"www.[foo].com")); tt_want(-1 == evhttp_uri_set_port(uri,-3)); tt_want(-1 == evhttp_uri_set_path(uri,"hello?world")); tt_want(-1 == evhttp_uri_set_query(uri,"hello#world")); tt_want(-1 == evhttp_uri_set_fragment(uri,"hello#world")); /* Valid URI usage: setting valid values */ tt_want(0 == evhttp_uri_set_scheme(uri,"http")); tt_want(0 == evhttp_uri_set_scheme(uri,NULL)); tt_want(0 == evhttp_uri_set_userinfo(uri,"username:pass")); tt_want(0 == evhttp_uri_set_userinfo(uri,NULL)); tt_want(0 == evhttp_uri_set_host(uri,"www.example.com")); tt_want(0 == evhttp_uri_set_host(uri,"1.2.3.4")); tt_want(0 == evhttp_uri_set_host(uri,"[1:2:3:4::]")); tt_want(0 == evhttp_uri_set_host(uri,"[v7.wobblewobble]")); tt_want(0 == evhttp_uri_set_host(uri,NULL)); tt_want(0 == evhttp_uri_set_host(uri,"")); tt_want(0 == evhttp_uri_set_port(uri, -1)); tt_want(0 == evhttp_uri_set_port(uri, 80)); tt_want(0 == evhttp_uri_set_port(uri, 65535)); tt_want(0 == evhttp_uri_set_path(uri, "")); tt_want(0 == evhttp_uri_set_path(uri, "/documents/public/index.html")); tt_want(0 == evhttp_uri_set_path(uri, NULL)); tt_want(0 == evhttp_uri_set_query(uri, "key=val&key2=val2")); tt_want(0 == evhttp_uri_set_query(uri, "keyvalblarg")); tt_want(0 == evhttp_uri_set_query(uri, "")); tt_want(0 == evhttp_uri_set_query(uri, NULL)); tt_want(0 == evhttp_uri_set_fragment(uri, "")); tt_want(0 == evhttp_uri_set_fragment(uri, "here?i?am")); tt_want(0 == evhttp_uri_set_fragment(uri, NULL)); evhttp_uri_free(uri); /* Valid parsing */ uri = URI_PARSE("http://www.test.com/?q=t%33est"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "www.test.com") == 0); tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0); tt_want(strcmp(evhttp_uri_get_query(uri), "q=t%33est") == 0); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("http://www.test.com/?q=t%33est"); evhttp_uri_free(uri); uri = URI_PARSE("http://%77ww.test.com"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "%77ww.test.com") == 0); tt_want(strcmp(evhttp_uri_get_path(uri), "") == 0); tt_want(evhttp_uri_get_query(uri) == NULL); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("http://%77ww.test.com"); evhttp_uri_free(uri); uri = URI_PARSE("http://www.test.com?q=test"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "www.test.com") == 0); tt_want(strcmp(evhttp_uri_get_path(uri), "") == 0); tt_want(strcmp(evhttp_uri_get_query(uri), "q=test") == 0); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("http://www.test.com?q=test"); evhttp_uri_free(uri); uri = URI_PARSE("http://www.test.com#fragment"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "www.test.com") == 0); tt_want(strcmp(evhttp_uri_get_path(uri), "") == 0); tt_want(evhttp_uri_get_query(uri) == NULL); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want_str_op(evhttp_uri_get_fragment(uri), ==, "fragment"); TT_URI("http://www.test.com#fragment"); evhttp_uri_free(uri); uri = URI_PARSE("http://8000/"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "8000") == 0); tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0); tt_want(evhttp_uri_get_query(uri) == NULL); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("http://8000/"); evhttp_uri_free(uri); uri = URI_PARSE("http://:8000/"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "") == 0); tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0); tt_want(evhttp_uri_get_query(uri) == NULL); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == 8000); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("http://:8000/"); evhttp_uri_free(uri); uri = URI_PARSE("http://www.test.com:/"); /* empty port */ tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "www.test.com") == 0); tt_want_str_op(evhttp_uri_get_path(uri), ==, "/"); tt_want(evhttp_uri_get_query(uri) == NULL); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("http://www.test.com/"); evhttp_uri_free(uri); uri = URI_PARSE("http://www.test.com:"); /* empty port 2 */ tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "www.test.com") == 0); tt_want(strcmp(evhttp_uri_get_path(uri), "") == 0); tt_want(evhttp_uri_get_query(uri) == NULL); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("http://www.test.com"); evhttp_uri_free(uri); uri = URI_PARSE("ftp://www.test.com/?q=test"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "ftp") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "www.test.com") == 0); tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0); tt_want(strcmp(evhttp_uri_get_query(uri), "q=test") == 0); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("ftp://www.test.com/?q=test"); evhttp_uri_free(uri); uri = URI_PARSE("ftp://[::1]:999/?q=test"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "ftp") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "[::1]") == 0); tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0); tt_want(strcmp(evhttp_uri_get_query(uri), "q=test") == 0); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == 999); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("ftp://[::1]:999/?q=test"); evhttp_uri_free(uri); uri = URI_PARSE("ftp://[ff00::127.0.0.1]/?q=test"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "ftp") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "[ff00::127.0.0.1]") == 0); tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0); tt_want(strcmp(evhttp_uri_get_query(uri), "q=test") == 0); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("ftp://[ff00::127.0.0.1]/?q=test"); evhttp_uri_free(uri); uri = URI_PARSE("ftp://[v99.not_(any:time)_soon]/?q=test"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "ftp") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "[v99.not_(any:time)_soon]") == 0); tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0); tt_want(strcmp(evhttp_uri_get_query(uri), "q=test") == 0); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("ftp://[v99.not_(any:time)_soon]/?q=test"); evhttp_uri_free(uri); uri = URI_PARSE("scheme://user:pass@foo.com:42/?q=test&s=some+thing#fragment"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "scheme") == 0); tt_want(strcmp(evhttp_uri_get_userinfo(uri), "user:pass") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "foo.com") == 0); tt_want(evhttp_uri_get_port(uri) == 42); tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0); tt_want(strcmp(evhttp_uri_get_query(uri), "q=test&s=some+thing") == 0); tt_want(strcmp(evhttp_uri_get_fragment(uri), "fragment") == 0); TT_URI("scheme://user:pass@foo.com:42/?q=test&s=some+thing#fragment"); evhttp_uri_free(uri); uri = URI_PARSE("scheme://user@foo.com/#fragment"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "scheme") == 0); tt_want(strcmp(evhttp_uri_get_userinfo(uri), "user") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "foo.com") == 0); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0); tt_want(evhttp_uri_get_query(uri) == NULL); tt_want(strcmp(evhttp_uri_get_fragment(uri), "fragment") == 0); TT_URI("scheme://user@foo.com/#fragment"); evhttp_uri_free(uri); uri = URI_PARSE("scheme://%75ser@foo.com/#frag@ment"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "scheme") == 0); tt_want(strcmp(evhttp_uri_get_userinfo(uri), "%75ser") == 0); tt_want(strcmp(evhttp_uri_get_host(uri), "foo.com") == 0); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0); tt_want(evhttp_uri_get_query(uri) == NULL); tt_want(strcmp(evhttp_uri_get_fragment(uri), "frag@ment") == 0); TT_URI("scheme://%75ser@foo.com/#frag@ment"); evhttp_uri_free(uri); uri = URI_PARSE("file:///some/path/to/the/file"); tt_want(strcmp(evhttp_uri_get_scheme(uri), "file") == 0); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(strcmp(evhttp_uri_get_host(uri), "") == 0); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(strcmp(evhttp_uri_get_path(uri), "/some/path/to/the/file") == 0); tt_want(evhttp_uri_get_query(uri) == NULL); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("file:///some/path/to/the/file"); evhttp_uri_free(uri); uri = URI_PARSE("///some/path/to/the-file"); tt_want(uri != NULL); tt_want(evhttp_uri_get_scheme(uri) == NULL); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(strcmp(evhttp_uri_get_host(uri), "") == 0); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(strcmp(evhttp_uri_get_path(uri), "/some/path/to/the-file") == 0); tt_want(evhttp_uri_get_query(uri) == NULL); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("///some/path/to/the-file"); evhttp_uri_free(uri); uri = URI_PARSE("/s:ome/path/to/the-file?q=99#fred"); tt_want(uri != NULL); tt_want(evhttp_uri_get_scheme(uri) == NULL); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_host(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(strcmp(evhttp_uri_get_path(uri), "/s:ome/path/to/the-file") == 0); tt_want(strcmp(evhttp_uri_get_query(uri), "q=99") == 0); tt_want(strcmp(evhttp_uri_get_fragment(uri), "fred") == 0); TT_URI("/s:ome/path/to/the-file?q=99#fred"); evhttp_uri_free(uri); uri = URI_PARSE("relative/path/with/co:lon"); tt_want(uri != NULL); tt_want(evhttp_uri_get_scheme(uri) == NULL); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_host(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(strcmp(evhttp_uri_get_path(uri), "relative/path/with/co:lon") == 0); tt_want(evhttp_uri_get_query(uri) == NULL); tt_want(evhttp_uri_get_fragment(uri) == NULL); TT_URI("relative/path/with/co:lon"); evhttp_uri_free(uri); uri = URI_PARSE("bob?q=99&q2=q?33#fr?ed"); tt_want(uri != NULL); tt_want(evhttp_uri_get_scheme(uri) == NULL); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_host(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(strcmp(evhttp_uri_get_path(uri), "bob") == 0); tt_want(strcmp(evhttp_uri_get_query(uri), "q=99&q2=q?33") == 0); tt_want(strcmp(evhttp_uri_get_fragment(uri), "fr?ed") == 0); TT_URI("bob?q=99&q2=q?33#fr?ed"); evhttp_uri_free(uri); uri = URI_PARSE("#fr?ed"); tt_want(uri != NULL); tt_want(evhttp_uri_get_scheme(uri) == NULL); tt_want(evhttp_uri_get_userinfo(uri) == NULL); tt_want(evhttp_uri_get_host(uri) == NULL); tt_want(evhttp_uri_get_port(uri) == -1); tt_want(strcmp(evhttp_uri_get_path(uri), "") == 0); tt_want(evhttp_uri_get_query(uri) == NULL); tt_want(strcmp(evhttp_uri_get_fragment(uri), "fr?ed") == 0); TT_URI("#fr?ed"); evhttp_uri_free(uri); #undef URI_PARSE #undef TT_URI #undef BAD } static void http_uriencode_test(void *ptr) { char *s=NULL, *s2=NULL; size_t sz; int bytes_decoded; #define ENC(from,want,plus) do { \ s = evhttp_uriencode((from), -1, (plus)); \ tt_assert(s); \ tt_str_op(s,==,(want)); \ sz = -1; \ s2 = evhttp_uridecode((s), (plus), &sz); \ tt_assert(s2); \ tt_str_op(s2,==,(from)); \ tt_int_op(sz,==,strlen(from)); \ free(s); \ free(s2); \ s = s2 = NULL; \ } while (0) #define DEC(from,want,dp) do { \ s = evhttp_uridecode((from),(dp),&sz); \ tt_assert(s); \ tt_str_op(s,==,(want)); \ tt_int_op(sz,==,strlen(want)); \ free(s); \ s = NULL; \ } while (0) #define OLD_DEC(from,want) do { \ s = evhttp_decode_uri((from)); \ tt_assert(s); \ tt_str_op(s,==,(want)); \ free(s); \ s = NULL; \ } while (0) ENC("Hello", "Hello",0); ENC("99", "99",0); ENC("", "",0); ENC( "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789-.~_", "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789-.~_",0); ENC(" ", "%20",0); ENC(" ", "+",1); ENC("\xff\xf0\xe0", "%FF%F0%E0",0); ENC("\x01\x19", "%01%19",1); ENC("http://www.ietf.org/rfc/rfc3986.txt", "http%3A%2F%2Fwww.ietf.org%2Frfc%2Frfc3986.txt",1); ENC("1+2=3", "1%2B2%3D3",1); ENC("1+2=3", "1%2B2%3D3",0); /* Now try encoding with internal NULs. */ s = evhttp_uriencode("hello\0world", 11, 0); tt_assert(s); tt_str_op(s,==,"hello%00world"); free(s); s = NULL; /* Now try decoding just part of string. */ s = malloc(6 + 1 /* NUL byte */); bytes_decoded = evhttp_decode_uri_internal("hello%20%20", 6, s, 0); tt_assert(s); tt_int_op(bytes_decoded,==,6); tt_str_op(s,==,"hello%"); free(s); s = NULL; /* Now try out some decoding cases that we don't generate with * encode_uri: Make sure that malformed stuff doesn't crash... */ DEC("%%xhello th+ere \xff", "%%xhello th+ere \xff", 0); /* Make sure plus decoding works */ DEC("plus+should%20work+", "plus should work ",1); /* Try some lowercase hex */ DEC("%f0%a0%b0", "\xf0\xa0\xb0",1); /* Try an internal NUL. */ sz = 0; s = evhttp_uridecode("%00%00x%00%00", 1, &sz); tt_int_op(sz,==,5); tt_assert(!memcmp(s, "\0\0x\0\0", 5)); free(s); s = NULL; /* Try with size == NULL */ sz = 0; s = evhttp_uridecode("%00%00x%00%00", 1, NULL); tt_assert(!memcmp(s, "\0\0x\0\0", 5)); free(s); s = NULL; /* Test out the crazy old behavior of the deprecated * evhttp_decode_uri */ OLD_DEC("http://example.com/normal+path/?key=val+with+spaces", "http://example.com/normal+path/?key=val with spaces"); end: if (s) free(s); if (s2) free(s2); #undef ENC #undef DEC #undef OLD_DEC } static void http_base_test(void *ptr) { struct event_base *base = NULL; struct bufferevent *bev; evutil_socket_t fd; const char *http_request; ev_uint16_t port = 0; struct evhttp *http; test_ok = 0; base = event_base_new(); tt_assert(base); http = http_setup(&port, base, 0); fd = http_connect("127.0.0.1", port); tt_assert(fd != EVUTIL_INVALID_SOCKET); /* Stupid thing to send a request */ bev = bufferevent_socket_new(base, fd, 0); bufferevent_setcb(bev, http_readcb, http_writecb, http_errorcb, base); bufferevent_base_set(base, bev); http_request = "GET /test HTTP/1.1\r\n" "Host: somehost\r\n" "Connection: close\r\n" "\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); event_base_dispatch(base); bufferevent_free(bev); evutil_closesocket(fd); evhttp_free(http); tt_int_op(test_ok, ==, 2); end: if (base) event_base_free(base); } /* * the server is just going to close the connection if it times out during * reading the headers. */ static void http_incomplete_readcb(struct bufferevent *bev, void *arg) { test_ok = -1; event_base_loopexit(exit_base,NULL); } static void http_incomplete_errorcb(struct bufferevent *bev, short what, void *arg) { /** For ssl */ if (what & BEV_EVENT_CONNECTED) return; if (what == (BEV_EVENT_READING|BEV_EVENT_EOF)) test_ok++; else test_ok = -2; event_base_loopexit(exit_base,NULL); } static void http_incomplete_writecb(struct bufferevent *bev, void *arg) { if (arg != NULL) { evutil_socket_t fd = *(evutil_socket_t *)arg; /* terminate the write side to simulate EOF */ shutdown(fd, EVUTIL_SHUT_WR); } if (evbuffer_get_length(bufferevent_get_output(bev)) == 0) { /* enable reading of the reply */ bufferevent_enable(bev, EV_READ); test_ok++; } } static void http_incomplete_test_(struct basic_test_data *data, int use_timeout, int ssl) { struct bufferevent *bev; evutil_socket_t fd; const char *http_request; ev_uint16_t port = 0; struct timeval tv_start, tv_end; struct evhttp *http = http_setup(&port, data->base, ssl ? HTTP_BIND_SSL : 0); exit_base = data->base; test_ok = 0; evhttp_set_timeout(http, 1); fd = http_connect("127.0.0.1", port); tt_assert(fd != EVUTIL_INVALID_SOCKET); /* Stupid thing to send a request */ bev = create_bev(data->base, fd, ssl, 0); bufferevent_setcb(bev, http_incomplete_readcb, http_incomplete_writecb, http_incomplete_errorcb, use_timeout ? NULL : &fd); http_request = "GET /test HTTP/1.1\r\n" "Host: somehost\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); evutil_gettimeofday(&tv_start, NULL); event_base_dispatch(data->base); evutil_gettimeofday(&tv_end, NULL); evutil_timersub(&tv_end, &tv_start, &tv_end); bufferevent_free(bev); if (use_timeout) { evutil_closesocket(fd); fd = EVUTIL_INVALID_SOCKET; } evhttp_free(http); if (use_timeout && tv_end.tv_sec >= 3) { tt_abort_msg("time"); } else if (!use_timeout && tv_end.tv_sec >= 1) { /* we should be done immediately */ tt_abort_msg("time"); } tt_int_op(test_ok, ==, 2); end: if (fd >= 0) evutil_closesocket(fd); } static void http_incomplete_test(void *arg) { http_incomplete_test_(arg, 0, 0); } static void http_incomplete_timeout_test(void *arg) { http_incomplete_test_(arg, 1, 0); } /* * the server is going to reply with chunked data. */ static void http_chunked_readcb(struct bufferevent *bev, void *arg) { /* nothing here */ } static void http_chunked_errorcb(struct bufferevent *bev, short what, void *arg) { struct evhttp_request *req = NULL; /** SSL */ if (what & BEV_EVENT_CONNECTED) return; if (!test_ok) goto out; test_ok = -1; if ((what & BEV_EVENT_EOF) != 0) { const char *header; enum message_read_status done; req = evhttp_request_new(NULL, NULL); /* req->kind = EVHTTP_RESPONSE; */ done = evhttp_parse_firstline_(req, bufferevent_get_input(bev)); if (done != ALL_DATA_READ) goto out; done = evhttp_parse_headers_(req, bufferevent_get_input(bev)); if (done != ALL_DATA_READ) goto out; header = evhttp_find_header(evhttp_request_get_input_headers(req), "Transfer-Encoding"); if (header == NULL || strcmp(header, "chunked")) goto out; header = evhttp_find_header(evhttp_request_get_input_headers(req), "Connection"); if (header == NULL || strcmp(header, "close")) goto out; header = evbuffer_readln(bufferevent_get_input(bev), NULL, EVBUFFER_EOL_CRLF); if (header == NULL) goto out; /* 13 chars */ if (strcmp(header, "d")) { free((void*)header); goto out; } free((void*)header); if (strncmp((char *)evbuffer_pullup(bufferevent_get_input(bev), 13), "This is funny", 13)) goto out; evbuffer_drain(bufferevent_get_input(bev), 13 + 2); header = evbuffer_readln(bufferevent_get_input(bev), NULL, EVBUFFER_EOL_CRLF); if (header == NULL) goto out; /* 18 chars */ if (strcmp(header, "12")) goto out; free((char *)header); if (strncmp((char *)evbuffer_pullup(bufferevent_get_input(bev), 18), "but not hilarious.", 18)) goto out; evbuffer_drain(bufferevent_get_input(bev), 18 + 2); header = evbuffer_readln(bufferevent_get_input(bev), NULL, EVBUFFER_EOL_CRLF); if (header == NULL) goto out; /* 8 chars */ if (strcmp(header, "8")) { free((void*)header); goto out; } free((char *)header); if (strncmp((char *)evbuffer_pullup(bufferevent_get_input(bev), 8), "bwv 1052.", 8)) goto out; evbuffer_drain(bufferevent_get_input(bev), 8 + 2); header = evbuffer_readln(bufferevent_get_input(bev), NULL, EVBUFFER_EOL_CRLF); if (header == NULL) goto out; /* 0 chars */ if (strcmp(header, "0")) { free((void*)header); goto out; } free((void *)header); test_ok = 2; } out: if (req) evhttp_request_free(req); event_base_loopexit(arg, NULL); } static void http_chunked_writecb(struct bufferevent *bev, void *arg) { if (evbuffer_get_length(bufferevent_get_output(bev)) == 0) { /* enable reading of the reply */ bufferevent_enable(bev, EV_READ); test_ok++; } } static void http_chunked_request_done(struct evhttp_request *req, void *arg) { if (evhttp_request_get_response_code(req) != HTTP_OK) { fprintf(stderr, "FAILED\n"); exit(1); } if (evhttp_find_header(evhttp_request_get_input_headers(req), "Transfer-Encoding") == NULL) { fprintf(stderr, "FAILED\n"); exit(1); } if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != 13 + 18 + 8) { fprintf(stderr, "FAILED\n"); exit(1); } if (strncmp((char *)evbuffer_pullup(evhttp_request_get_input_buffer(req), 13 + 18 + 8), "This is funnybut not hilarious.bwv 1052", 13 + 18 + 8)) { fprintf(stderr, "FAILED\n"); exit(1); } test_ok = 1; event_base_loopexit(arg, NULL); } static void http_chunk_out_test_impl(void *arg, int ssl) { struct basic_test_data *data = arg; struct bufferevent *bev = NULL; evutil_socket_t fd; const char *http_request; ev_uint16_t port = 0; struct timeval tv_start, tv_end; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; int i; struct evhttp *http = http_setup(&port, data->base, ssl ? HTTP_BIND_SSL : 0); exit_base = data->base; test_ok = 0; fd = http_connect("127.0.0.1", port); tt_assert(fd != EVUTIL_INVALID_SOCKET); /* Stupid thing to send a request */ bev = create_bev(data->base, fd, ssl, BEV_OPT_CLOSE_ON_FREE); bufferevent_setcb(bev, http_chunked_readcb, http_chunked_writecb, http_chunked_errorcb, data->base); http_request = "GET /chunked HTTP/1.1\r\n" "Host: somehost\r\n" "Connection: close\r\n" "\r\n"; bufferevent_write(bev, http_request, strlen(http_request)); evutil_gettimeofday(&tv_start, NULL); event_base_dispatch(data->base); bufferevent_free(bev); bev = NULL; evutil_gettimeofday(&tv_end, NULL); evutil_timersub(&tv_end, &tv_start, &tv_end); tt_int_op(tv_end.tv_sec, <, 1); tt_int_op(test_ok, ==, 2); /* now try again with the regular connection object */ bev = create_bev(data->base, -1, ssl, BEV_OPT_CLOSE_ON_FREE); evcon = evhttp_connection_base_bufferevent_new( data->base, NULL, bev, "127.0.0.1", port); tt_assert(evcon); /* make two requests to check the keepalive behavior */ for (i = 0; i < 2; i++) { test_ok = 0; req = evhttp_request_new(http_chunked_request_done, data->base); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/chunked") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); tt_assert(test_ok == 1); } end: if (evcon) evhttp_connection_free(evcon); if (http) evhttp_free(http); } static void http_chunk_out_test(void *arg) { http_chunk_out_test_impl(arg, 0); } static void http_stream_out_test_impl(void *arg, int ssl) { struct basic_test_data *data = arg; ev_uint16_t port = 0; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; struct bufferevent *bev; struct evhttp *http = http_setup(&port, data->base, ssl ? HTTP_BIND_SSL : 0); test_ok = 0; exit_base = data->base; bev = create_bev(data->base, -1, ssl, 0); evcon = evhttp_connection_base_bufferevent_new( data->base, NULL, bev, "127.0.0.1", port); tt_assert(evcon); /* * At this point, we want to schedule a request to the HTTP * server using our make request method. */ req = evhttp_request_new(http_request_done, (void *)"This is funnybut not hilarious.bwv 1052"); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/streamed") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); end: if (evcon) evhttp_connection_free(evcon); if (http) evhttp_free(http); } static void http_stream_out_test(void *arg) { http_stream_out_test_impl(arg, 0); } static void http_stream_in_chunk(struct evhttp_request *req, void *arg) { struct evbuffer *reply = arg; if (evhttp_request_get_response_code(req) != HTTP_OK) { fprintf(stderr, "FAILED\n"); exit(1); } evbuffer_add_buffer(reply, evhttp_request_get_input_buffer(req)); } static void http_stream_in_done(struct evhttp_request *req, void *arg) { if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != 0) { fprintf(stderr, "FAILED\n"); exit(1); } event_base_loopexit(exit_base, NULL); } /** * Makes a request and reads the response in chunks. */ static void http_stream_in_test_(struct basic_test_data *data, char const *url, size_t expected_len, char const *expected) { struct evhttp_connection *evcon; struct evbuffer *reply = evbuffer_new(); struct evhttp_request *req = NULL; ev_uint16_t port = 0; struct evhttp *http = http_setup(&port, data->base, 0); exit_base = data->base; evcon = evhttp_connection_base_new(data->base, NULL,"127.0.0.1", port); tt_assert(evcon); req = evhttp_request_new(http_stream_in_done, reply); evhttp_request_set_chunked_cb(req, http_stream_in_chunk); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, url) == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); if (evbuffer_get_length(reply) != expected_len) { TT_DIE(("reply length %lu; expected %lu; FAILED (%s)\n", (unsigned long)evbuffer_get_length(reply), (unsigned long)expected_len, (char*)evbuffer_pullup(reply, -1))); } if (memcmp(evbuffer_pullup(reply, -1), expected, expected_len) != 0) { tt_abort_msg("Memory mismatch"); } test_ok = 1; end: if (reply) evbuffer_free(reply); if (evcon) evhttp_connection_free(evcon); if (http) evhttp_free(http); } static void http_stream_in_test(void *arg) { http_stream_in_test_(arg, "/chunked", 13 + 18 + 8, "This is funnybut not hilarious.bwv 1052"); http_stream_in_test_(arg, "/test", strlen(BASIC_REQUEST_BODY), BASIC_REQUEST_BODY); } static void http_stream_in_cancel_chunk(struct evhttp_request *req, void *arg) { tt_int_op(evhttp_request_get_response_code(req), ==, HTTP_OK); end: evhttp_cancel_request(req); event_base_loopexit(arg, NULL); } static void http_stream_in_cancel_done(struct evhttp_request *req, void *arg) { /* should never be called */ tt_fail_msg("In cancel done"); } static void http_stream_in_cancel_test(void *arg) { struct basic_test_data *data = arg; struct evhttp_connection *evcon; struct evhttp_request *req = NULL; ev_uint16_t port = 0; struct evhttp *http = http_setup(&port, data->base, 0); evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port); tt_assert(evcon); req = evhttp_request_new(http_stream_in_cancel_done, data->base); evhttp_request_set_chunked_cb(req, http_stream_in_cancel_chunk); /* We give ownership of the request to the connection */ if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/chunked") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); test_ok = 1; end: evhttp_connection_free(evcon); evhttp_free(http); } static void http_connection_fail_done(struct evhttp_request *req, void *arg) { struct evhttp_connection *evcon = arg; struct event_base *base = evhttp_connection_get_base(evcon); /* An ENETUNREACH error results in an unrecoverable * evhttp_connection error (see evhttp_connection_fail_()). The * connection will be reset, and the user will be notified with a NULL * req parameter. */ tt_assert(!req); evhttp_connection_free(evcon); test_ok = 1; end: event_base_loopexit(base, NULL); } /* Test unrecoverable evhttp_connection errors by generating an ENETUNREACH * error on connection. */ static void http_connection_fail_test_impl(void *arg, int ssl) { struct basic_test_data *data = arg; ev_uint16_t port = 0; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; struct bufferevent *bev; struct evhttp *http = http_setup(&port, data->base, ssl ? HTTP_BIND_SSL : 0); exit_base = data->base; test_ok = 0; /* auto detect a port */ evhttp_free(http); bev = create_bev(data->base, -1, ssl, 0); /* Pick an unroutable address. This administratively scoped multicast * address should do when working with TCP. */ evcon = evhttp_connection_base_bufferevent_new( data->base, NULL, bev, "239.10.20.30", 80); tt_assert(evcon); /* * At this point, we want to schedule an HTTP GET request * server using our make request method. */ req = evhttp_request_new(http_connection_fail_done, evcon); tt_assert(req); if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/") == -1) { tt_abort_msg("Couldn't make request"); } event_base_dispatch(data->base); tt_int_op(test_ok, ==, 1); end: ; } static void http_connection_fail_test(void *arg) { http_connection_fail_test_impl(arg, 0); } static void http_connection_retry_done(struct evhttp_request *req, void *arg) { tt_assert(req); tt_int_op(evhttp_request_get_response_code(req), !=, HTTP_OK); if (evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Type") != NULL) { tt_abort_msg("(content type)\n"); } tt_uint_op(evbuffer_get_length(evhttp_request_get_input_buffer(req)), ==, 0); test_ok = 1; end: event_base_loopexit(arg,NULL); } struct http_server { ev_uint16_t port; int ssl; struct evhttp *http; }; static struct event_base *http_make_web_server_base=NULL; static void http_make_web_server(evutil_socket_t fd, short what, void *arg) { struct http_server *hs = (struct http_server *)arg; hs->http = http_setup(&hs->port, http_make_web_server_base, hs->ssl ? HTTP_BIND_SSL : 0); } static void http_simple_test_impl(void *arg, int ssl, int dirty, const char *uri) { struct basic_test_data *data = arg; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; struct bufferevent *bev; struct http_server hs = { 0, ssl, NULL, }; struct evhttp *http = http_setup(&hs.port, data->base, ssl ? HTTP_BIND_SSL : 0); exit_base = data->base; test_ok = 0; bev = create_bev(data->base, -1, ssl, 0); #ifdef EVENT__HAVE_OPENSSL bufferevent_openssl_set_allow_dirty_shutdown(bev, dirty); #endif evcon = evhttp_connection_base_bufferevent_new( data->base, NULL, bev, "127.0.0.1", hs.port); tt_assert(evcon); evhttp_connection_set_local_address(evcon, "127.0.0.1"); req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY); tt_assert(req); if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, uri) == -1) tt_abort_msg("Couldn't make request"); event_base_dispatch(data->base); tt_int_op(test_ok, ==, 1); end: if (evcon) evhttp_connection_free(evcon); if (http) evhttp_free(http); } static void http_simple_test(void *arg) { http_simple_test_impl(arg, 0, 0, "/test"); } static void http_simple_nonconformant_test(void *arg) { http_simple_test_impl(arg, 0, 0, "/test nonconformant"); } static void http_connection_retry_test_basic(void *arg, const char *addr, struct evdns_base *dns_base, int ssl) { struct basic_test_data *data = arg; struct evhttp_connection *evcon = NULL; struct evhttp_request *req = NULL; struct timeval tv, tv_start, tv_end; struct bufferevent *bev; struct http_server hs = { 0, ssl, NULL, }; struct evhttp *http = http_setup(&hs.port, data->base, ssl ? HTTP_BIND_SSL : 0); exit_base = data->base; test_ok = 0; /* auto detect a port */ evhttp_free(http); bev = create_bev(data->base, -1, ssl, 0); evcon = evhttp_connection_base_bufferevent_new(data->base, dns_base, bev, addr, hs.port); tt_assert(evcon); if (dns_base) tt_assert(!evhttp_connection_set_flags(evcon, EVHTTP_CON_REUSE_CONNECTED_ADDR)); evhttp_connection_set_timeout(evcon, 1); /* also bind to local host */ evhttp_connection_set_local_address(evcon, "127.0.0.1"); /* * At this point, we want to schedule an HTTP GET request * server using our make request method. */ req = evhttp_request_new(http_connection_retry_done, data->base); tt_assert(req); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/?arg=val") == -1) { tt_abort_msg("Couldn't make request"); } evutil_gettimeofday(&tv_start, NULL); event_base_dispatch(data->base); evutil_gettimeofday(&tv_end, NULL); evutil_timersub(&tv_end, &tv_start, &tv_end); tt_int_op(tv_end.tv_sec, <, 1); tt_int_op(test_ok, ==, 1); /* * now test the same but with retries */ test_ok = 0; /** Shutdown dns server, to test conn_address reusing */ if (dns_base) regress_clean_dnsserver(); { const struct timeval tv_timeout = { 0, 500000 }; const struct timeval tv_retry = { 0, 500000 }; evhttp_connection_set_timeout_tv(evcon, &tv_timeout); evhttp_connection_set_initial_retry_tv(evcon, &tv_retry); } evhttp_connection_set_retries(evcon, 1); req = evhttp_request_new(http_connection_retry_done, data->base); tt_assert(req); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/?arg=val") == -1) { tt_abort_msg("Couldn't make request"); } evutil_gettimeofday(&tv_start, NULL); event_base_dispatch(data->base); evutil_gettimeofday(&tv_end, NULL); /* fails fast, .5 sec to wait to retry, fails fast again. */ test_timeval_diff_leq(&tv_start, &tv_end, 500, 200); tt_assert(test_ok == 1); /* * now test the same but with retries and give it a web server * at the end */ test_ok = 0; evhttp_connection_set_timeout(evcon, 1); evhttp_connection_set_retries(evcon, 3); req = evhttp_request_new(http_dispatcher_test_done, data->base); tt_assert(req); /* Add the information that we care about */ evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost"); if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/?arg=val") == -1) { tt_abort_msg("Couldn't make request"); } /* start up a web server .2 seconds after the connection tried * to send a request */ evutil_timerclear(&tv); tv.tv_usec = 200000; http_make_web_server_base = data->base; event_base_once(data->base, -1, EV_TIMEOUT, http_make_web_server, &hs, &tv); evutil_gettimeofday(&tv_start, NULL); event_base_dispatch(data->base); evutil_gettimeofday(&tv_end, NULL); /* We'll wait twice as long as we did last time. */ test_timeval_diff_leq(&tv_start, &tv_end, 1000, 400); tt_int_op(test_ok, ==, 1); end: if (evcon) evhttp_connection_free(evcon); if (http) evhttp_free(hs.http); } static void http_connection_retry_conn_address_test_impl(void *arg, int ssl) { struct basic_test_data *data = arg; ev_uint16_t portnum = 0; struct evdns_base *dns_base = NULL; char address[64]; tt_assert(regress_dnsserver(data->base, &portnum, search_table)); dns_base = evdns_base_new(data->base, 0/* init name servers */); tt_assert(dns_base); /* Add ourself as the only nameserver, and make sure we really are * the only nameserver. */ evutil_snprintf(address, sizeof(address), "127.0.0.1:%d", portnum); evdns_base_nameserver_ip_add(dns_base, address); http_connection_retry_test_basic(arg, "localhost", dns_base, ssl); end: if (dns_base) evdns_base_free(dns_base, 0); /** dnsserver will be cleaned in http_connection_retry_test_basic() */ } static void http_connection_retry_conn_address_test(void *arg) { http_connection_retry_conn_address_test_impl(arg, 0); } static void http_connection_retry_test_impl(void *arg, int ssl) { http_connection_retry_test_basic(arg, "127.0.0.1", NULL, ssl); } static void http_connection_retry_test(void *arg) { http_connection_retry_test_impl(arg, 0); } static void http_primitives(void *ptr) { char *escaped = NULL; struct evhttp *http = NULL; escaped = evhttp_htmlescape("