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These flaws * are solved by Optparse. * * 1) Parser state is stored entirely in global variables, some of * which are static and inaccessible. This means only one thread can * use getopt(). It also means it's not possible to recursively parse * nested sub-arguments while in the middle of argument parsing. * Optparse fixes this by storing all state on a local struct. * * 2) The POSIX standard provides no way to properly reset the parser. * This means for portable code that getopt() is only good for one * run, over one argv with one optstring. It also means subcommand * options cannot be processed with getopt(). Most implementations * provide a method to reset the parser, but it's not portable. * Optparse provides an optparse_arg() function for stepping over * subcommands and continuing parsing of options with another * optstring. The Optparse struct itself can be passed around to * subcommand handlers for additional subcommand option parsing. A * full reset can be achieved by with an additional optparse_init(). * * 3) Error messages are printed to stderr. This can be disabled with * opterr, but the messages themselves are still inaccessible. * Optparse solves this by writing an error message in its errmsg * field. The downside to Optparse is that this error message will * always be in English rather than the current locale. * * Optparse should be familiar with anyone accustomed to getopt(), and * it could be a nearly drop-in replacement. The optstring is the same * and the fields have the same names as the getopt() global variables * (optarg, optind, optopt). * * Optparse also supports GNU-style long options with optparse_long(). * The interface is slightly different and simpler than getopt_long(). * * By default, argv is permuted as it is parsed, moving non-option * arguments to the end. This can be disabled by setting the `permute` * field to 0 after initialization. */ struct optparse { char **argv; int permute; int optind; int optopt; char *optarg; char errmsg[64]; int subopt; }; enum optparse_argtype { OPTPARSE_NONE, OPTPARSE_REQUIRED, OPTPARSE_OPTIONAL }; struct optparse_long { const char *longname; int shortname; enum optparse_argtype argtype; }; /** * Initializes the parser state. */ void optparse_init(struct optparse *options, char **argv); /** * Read the next option in the argv array. * @param optstring a getopt()-formatted option string. * @return the next option character, -1 for done, or '?' for error * * Just like getopt(), a character followed by no colons means no * argument. One colon means the option has a required argument. Two * colons means the option takes an optional argument. */ int optparse(struct optparse *options, const char *optstring); /** * Handles GNU-style long options in addition to getopt() options. * This works a lot like GNU's getopt_long(). The last option in * longopts must be all zeros, marking the end of the array. The * longindex argument may be NULL. */ int optparse_long(struct optparse *options, const struct optparse_long *longopts, int *longindex); /** * Used for stepping over non-option arguments. * @return the next non-option argument, or NULL for no more arguments * * Argument parsing can continue with optparse() after using this * function. That would be used to parse the options for the * subcommand returned by optparse_arg(). This function allows you to * ignore the value of optind. */ char *optparse_arg(struct optparse *options); #endif fping-5.1/src/socket6.c0000644000175100001710000001003514177770216011724 00000000000000/* * fping: fast-ping, file-ping, favorite-ping, funky-ping * * Ping a list of target hosts in a round robin fashion. * A better ping overall. * * fping website: http://www.fping.org * * Current maintainer of fping: David Schweikert * Please send suggestions and patches to: david@schweikert.ch * * * Original author: Roland Schemers * IPv6 Support: Jeroen Massar * Improved main loop: David Schweikert * Debian Merge, TOS settings: Tobi Oetiker * Bugfixes, byte order & senseful seq.-numbers: Stephan Fuhrmann (stephan.fuhrmann AT 1und1.de) * * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by Stanford University. The name of the University 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 WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #include "config.h" #include "fping.h" #include #include #include #include #include #include #include #include char* ping_buffer_ipv6 = 0; size_t ping_pkt_size_ipv6; int open_ping_socket_ipv6(int *socktype) { struct protoent* proto; int s; /* confirm that ICMP is available on this machine */ if ((proto = getprotobyname("ipv6-icmp")) == NULL) crash_and_burn("icmp: unknown protocol"); /* create raw socket for ICMP calls (ping) */ *socktype = SOCK_RAW; s = socket(AF_INET6, *socktype, proto->p_proto); if (s < 0) { /* try non-privileged icmp (works on Mac OSX without privileges, for example) */ *socktype = SOCK_DGRAM; s = socket(AF_INET6, *socktype, proto->p_proto); if (s < 0) { return -1; } } /* Make sure that we use non-blocking IO */ { int flags; if ((flags = fcntl(s, F_GETFL, 0)) < 0) perror("fcntl"); if (fcntl(s, F_SETFL, flags | O_NONBLOCK) < 0) perror("fcntl"); } return s; } void init_ping_buffer_ipv6(size_t ping_data_size) { /* allocate ping buffer */ ping_pkt_size_ipv6 = ping_data_size + sizeof(struct icmp6_hdr); ping_buffer_ipv6 = (char*)calloc(1, ping_pkt_size_ipv6); if (!ping_buffer_ipv6) crash_and_burn("can't malloc ping packet"); } void socket_set_src_addr_ipv6(int s, struct in6_addr* src_addr, int *ident) { struct sockaddr_in6 sa; socklen_t len = sizeof(sa); memset(&sa, 0, sizeof(sa)); sa.sin6_family = AF_INET6; sa.sin6_addr = *src_addr; if (bind(s, (struct sockaddr*)&sa, sizeof(sa)) < 0) errno_crash_and_burn("cannot bind source address"); if (ident) { memset(&sa, 0, len); if (getsockname(s, (struct sockaddr *)&sa, &len) < 0) errno_crash_and_burn("can't get ICMP socket identity"); if (sa.sin6_port) *ident = sa.sin6_port; } } int socket_sendto_ping_ipv6(int s, struct sockaddr* saddr, socklen_t saddr_len, uint16_t icmp_seq_nr, uint16_t icmp_id_nr) { struct icmp6_hdr* icp; int n; icp = (struct icmp6_hdr*)ping_buffer_ipv6; icp->icmp6_type = ICMP6_ECHO_REQUEST; icp->icmp6_code = 0; icp->icmp6_seq = htons(icmp_seq_nr); icp->icmp6_id = icmp_id_nr; if (random_data_flag) { for (n = sizeof(struct icmp6_hdr); n < ping_pkt_size_ipv6; ++n) { ping_buffer_ipv6[n] = random() & 0xFF; } } icp->icmp6_cksum = 0; /* The IPv6 stack calculates the checksum for us... */ n = sendto(s, icp, ping_pkt_size_ipv6, 0, saddr, saddr_len); return n; } fping-5.1/src/optparse.c0000644000175100001710000001616114177770216012211 00000000000000#include "optparse.h" #define MSG_INVALID "invalid option" #define MSG_MISSING "option requires an argument" #define MSG_TOOMANY "option takes no arguments" static int opterror(struct optparse *options, const char *message, const char *data) { unsigned p = 0; while (*message) options->errmsg[p++] = *message++; const char *sep = " -- '"; while (*sep) options->errmsg[p++] = *sep++; while (p < sizeof(options->errmsg) - 2 && *data) options->errmsg[p++] = *data++; options->errmsg[p++] = '\''; options->errmsg[p++] = '\0'; return '?'; } void optparse_init(struct optparse *options, char **argv) { options->argv = argv; options->permute = 1; options->optind = 1; options->subopt = 0; options->optarg = 0; options->errmsg[0] = '\0'; } static inline int is_dashdash(const char *arg) { return arg != 0 && arg[0] == '-' && arg[1] == '-' && arg[2] == '\0'; } static inline int is_shortopt(const char *arg) { return arg != 0 && arg[0] == '-' && arg[1] != '-' && arg[1] != '\0'; } static inline int is_longopt(const char *arg) { return arg != 0 && arg[0] == '-' && arg[1] == '-' && arg[2] != '\0'; } static void permute(struct optparse *options, int index) { char *nonoption = options->argv[index]; for (int i = index; i < options->optind - 1; i++) options->argv[i] = options->argv[i + 1]; options->argv[options->optind - 1] = nonoption; } static int argtype(const char *optstring, char c) { if (c == ':') return -1; for (; *optstring && c != *optstring; optstring++); if (!*optstring) return -1; int count = OPTPARSE_NONE; if (optstring[1] == ':') count += optstring[2] == ':' ? 2 : 1; return count; } int optparse(struct optparse *options, const char *optstring) { options->errmsg[0] = '\0'; options->optopt = 0; options->optarg = 0; char *option = options->argv[options->optind]; if (option == 0) { return -1; } else if (is_dashdash(option)) { options->optind++; /* consume "--" */ return -1; } else if (!is_shortopt(option)) { if (options->permute) { int index = options->optind; options->optind++; int r = optparse(options, optstring); permute(options, index); options->optind--; return r; } else { return -1; } } option += options->subopt + 1; options->optopt = option[0]; int type = argtype(optstring, option[0]); char *next = options->argv[options->optind + 1]; switch (type) { case -1: { options->optind++; char str[2] = {option[0]}; return opterror(options, MSG_INVALID, str); } case OPTPARSE_NONE: if (option[1]) { options->subopt++; } else { options->subopt = 0; options->optind++; } return option[0]; case OPTPARSE_REQUIRED: options->subopt = 0; options->optind++; if (option[1]) { options->optarg = option + 1; } else if (next != 0) { options->optarg = next; options->optind++; } else { options->optarg = 0; char str[2] = {option[0]}; return opterror(options, MSG_MISSING, str); } return option[0]; case OPTPARSE_OPTIONAL: options->subopt = 0; options->optind++; if (option[1]) options->optarg = option + 1; else options->optarg = 0; return option[0]; } return 0; } char *optparse_arg(struct optparse *options) { options->subopt = 0; char *option = options->argv[options->optind]; if (option != 0) options->optind++; return option; } static inline int longopts_end(const struct optparse_long *longopts, int i) { return !longopts[i].longname && !longopts[i].shortname; } static void optstring_from_long(const struct optparse_long *longopts, char *optstring) { char *p = optstring; for (int i = 0; !longopts_end(longopts, i); i++) { if (longopts[i].shortname) { *p++ = longopts[i].shortname; for (int a = 0; a < (int)longopts[i].argtype; a++) *p++ = ':'; } } *p = '\0'; } /* Unlike strcmp(), handles options containing "=". */ static int longopts_match(const char *longname, const char *option) { if (longname == 0) return 0; const char *a = option, *n = longname; for (; *a && *n && *a != '='; a++, n++) if (*a != *n) return 0; return *n == '\0' && (*a == '\0' || *a == '='); } /* Return the part after "=", or NULL. */ static char * longopts_arg(char *option) { for (; *option && *option != '='; option++); if (*option == '=') return option + 1; else return 0; } static int long_fallback(struct optparse *options, const struct optparse_long *longopts, int *longindex) { char optstring[96 * 3 + 1]; /* 96 ASCII printable characters */ optstring_from_long(longopts, optstring); int result = optparse(options, optstring); if (longindex != 0) { *longindex = -1; if (result != -1) for (int i = 0; !longopts_end(longopts, i); i++) if (longopts[i].shortname == options->optopt) *longindex = i; } return result; } int optparse_long(struct optparse *options, const struct optparse_long *longopts, int *longindex) { char *option = options->argv[options->optind]; if (option == 0) { return -1; } else if (is_dashdash(option)) { options->optind++; /* consume "--" */ return -1; } else if (is_shortopt(option)) { return long_fallback(options, longopts, longindex); } else if (!is_longopt(option)) { if (options->permute) { int index = options->optind; options->optind++; int r = optparse_long(options, longopts, longindex); permute(options, index); options->optind--; return r; } else { return -1; } } /* Parse as long option. */ options->errmsg[0] = '\0'; options->optopt = 0; options->optarg = 0; option += 2; /* skip "--" */ options->optind++; for (int i = 0; !longopts_end(longopts, i); i++) { const char *name = longopts[i].longname; if (longopts_match(name, option)) { if (longindex) *longindex = i; options->optopt = longopts[i].shortname; char *arg = longopts_arg(option); if (longopts[i].argtype == OPTPARSE_NONE && arg != 0) { return opterror(options, MSG_TOOMANY, name); } if (arg != 0) { options->optarg = arg; } else if (longopts[i].argtype == OPTPARSE_REQUIRED) { options->optarg = options->argv[options->optind++]; 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The name of the University 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 WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ #include "config.h" #include "fping.h" #include "options.h" #include "optparse.h" #include #include #include #include #include #include #include #include "seqmap.h" #ifdef HAVE_UNISTD_H #include #endif /* HAVE_UNISTD_H */ #ifdef HAVE_STDLIB_H #include #endif /* HAVE_STDLIB_H */ #include #include #include #include #include #if HAVE_SYS_FILE_H #include #endif /* HAVE_SYS_FILE_H */ #ifdef IPV6 #include #endif #include #include #include #include #include #include #include /*** compatibility ***/ /* Mac OS X's getaddrinfo() does not fail if we use an invalid combination, * e.g. AF_INET6 with "127.0.0.1". If we pass AI_UNUSABLE to flags, it behaves * like other platforms. But AI_UNUSABLE isn't available on other platforms, * and we can safely use 0 for flags instead. */ #ifndef AI_UNUSABLE #define AI_UNUSABLE 0 #endif /* MSG_TRUNC available on Linux kernel 2.2+, makes recvmsg return the full * length of the raw packet received, even if the buffer is smaller */ #ifndef MSG_TRUNC #define MSG_TRUNC 0 #define RECV_BUFSIZE 4096 #else #define RECV_BUFSIZE 128 #endif /*** externals ***/ extern char* optarg; extern int optind, opterr; #ifndef h_errno extern int h_errno; #endif #ifdef __cplusplus } #endif /* __cplusplus */ /*** Constants ***/ #if HAVE_SO_TIMESTAMPNS #define CLOCKID CLOCK_REALTIME #endif /* CLOCK_MONTONIC starts under macOS, OpenBSD and FreeBSD with undefined positive point and can not be use * see github PR #217 */ #if !defined(CLOCKID) #if defined(CLOCK_MONOTONIC) && !defined(__APPLE__) && !defined(__OpenBSD__) && !defined(__FreeBSD__) #define CLOCKID CLOCK_MONOTONIC #else #define CLOCKID CLOCK_REALTIME #endif #endif /*** Ping packet defines ***/ #define MAX_IP_PACKET 65536 /* (theoretical) max IP packet size */ #define SIZE_IP_HDR 40 #define SIZE_ICMP_HDR 8 /* from ip_icmp.h */ #define MAX_PING_DATA (MAX_IP_PACKET - SIZE_IP_HDR - SIZE_ICMP_HDR) #define MAX_GENERATE 100000 /* maximum number of hosts that -g can generate */ /* sized so as to be like traditional ping */ #define DEFAULT_PING_DATA_SIZE 56 /* maxima and minima */ #ifdef FPING_SAFE_LIMITS #define MIN_INTERVAL 1 /* in millisec */ #define MIN_PERHOST_INTERVAL 10 /* in millisec */ #else #define MIN_INTERVAL 0 #define MIN_PERHOST_INTERVAL 0 #endif /* response time array flags */ #define RESP_WAITING -1 #define RESP_UNUSED -2 #define RESP_ERROR -3 #define RESP_TIMEOUT -4 /* debugging flags */ #if defined(DEBUG) || defined(_DEBUG) #define DBG_TRACE 1 #define DBG_SENT_TIMES 2 #define DBG_RANDOM_LOSE_FEW 4 #define DBG_RANDOM_LOSE_MANY 8 #define DBG_PRINT_PER_SYSTEM 16 #define DBG_REPORT_ALL_RTTS 32 #endif /* DEBUG || _DEBUG */ /* Long names for ICMP packet types */ #define ICMP_TYPE_STR_MAX 18 char* icmp_type_str[19] = { "ICMP Echo Reply", /* 0 */ "", "", "ICMP Unreachable", /* 3 */ "ICMP Source Quench", /* 4 */ "ICMP Redirect", /* 5 */ "", "", "ICMP Echo", /* 8 */ "", "", "ICMP Time Exceeded", /* 11 */ "ICMP Parameter Problem", /* 12 */ "ICMP Timestamp Request", /* 13 */ "ICMP Timestamp Reply", /* 14 */ "ICMP Information Request", /* 15 */ "ICMP Information Reply", /* 16 */ "ICMP Mask Request", /* 17 */ "ICMP Mask Reply" /* 18 */ }; char* icmp_unreach_str[16] = { "ICMP Network Unreachable", /* 0 */ "ICMP Host Unreachable", /* 1 */ "ICMP Protocol Unreachable", /* 2 */ "ICMP Port Unreachable", /* 3 */ "ICMP Unreachable (Fragmentation Needed)", /* 4 */ "ICMP Unreachable (Source Route Failed)", /* 5 */ "ICMP Unreachable (Destination Network Unknown)", /* 6 */ "ICMP Unreachable (Destination Host Unknown)", /* 7 */ "ICMP Unreachable (Source Host Isolated)", /* 8 */ "ICMP Unreachable (Communication with Network Prohibited)", /* 9 */ "ICMP Unreachable (Communication with Host Prohibited)", /* 10 */ "ICMP Unreachable (Network Unreachable For Type Of Service)", /* 11 */ "ICMP Unreachable (Host Unreachable For Type Of Service)", /* 12 */ "ICMP Unreachable (Communication Administratively Prohibited)", /* 13 */ "ICMP Unreachable (Host Precedence Violation)", /* 14 */ "ICMP Unreachable (Precedence cutoff in effect)" /* 15 */ }; #define ICMP_UNREACH_MAXTYPE 15 struct event; typedef struct host_entry { int i; /* index into array */ char* name; /* name as given by user */ char* host; /* text description of host */ struct sockaddr_storage saddr; /* internet address */ socklen_t saddr_len; int64_t timeout; /* time to wait for response */ int64_t last_send_time; /* time of last packet sent */ int num_sent; /* number of ping packets sent (for statistics) */ int num_recv; /* number of pings received (duplicates ignored) */ int num_recv_total; /* number of pings received, including duplicates */ int64_t max_reply; /* longest response time */ int64_t min_reply; /* shortest response time */ int64_t total_time; /* sum of response times */ /* _i -> splits (reset on every report interval) */ int num_sent_i; /* number of ping packets sent */ int num_recv_i; /* number of pings received */ int64_t max_reply_i; /* longest response time */ int64_t min_reply_i; /* shortest response time */ int64_t total_time_i; /* sum of response times */ int64_t* resp_times; /* individual response times */ /* to avoid allocating two struct events each time that we send a ping, we * preallocate here two struct events for each ping that we might send for * this host. */ struct event *event_storage_ping; struct event *event_storage_timeout; } HOST_ENTRY; int event_storage_count; /* how many events can be stored in host_entry->event_storage_xxx */ /* basic algorithm to ensure that we have correct data at all times: * * 1. when a ping is sent: * - two events get added into event_queue: * - t+PERIOD: ping event * - t+TIMEOUT: timeout event * * 2. when a ping is received: * - record statistics (increase num_sent and num_received) * - remove timeout event (we store the event in seqmap, so that we can retrieve it when the response is received) * * 3. when a timeout happens: * - record statistics (increase num_sent only) */ #define EV_TYPE_PING 1 #define EV_TYPE_TIMEOUT 2 struct event { struct event *ev_prev; struct event *ev_next; int64_t ev_time; struct host_entry *host; int ping_index; }; struct event_queue { struct event *first; struct event *last; }; /*** globals ***/ HOST_ENTRY** table = NULL; /* array of pointers to items in the list */ /* we keep two separate queues: a ping queue, for when the next ping should be * sent, and a timeout queue. the reason for having two separate queues is that * the ping period and the timeout value are different, so if we put them in * the same event queue, we would need to scan many more entries when inserting * into the sorted list. */ struct event_queue event_queue_ping; struct event_queue event_queue_timeout; char* prog; int ident4 = 0; /* our icmp identity field */ int ident6 = 0; int socket4 = -1; int socktype4 = -1; int using_sock_dgram4 = 0; #ifndef IPV6 int hints_ai_family = AF_INET; #else int socket6 = -1; int socktype6 = -1; int hints_ai_family = AF_UNSPEC; #endif volatile sig_atomic_t status_snapshot = 0; volatile sig_atomic_t finish_requested = 0; unsigned int debugging = 0; /* all time-related values are int64_t nanoseconds */ unsigned int retry = DEFAULT_RETRY; int64_t timeout = (int64_t) DEFAULT_TIMEOUT * 1000000; int64_t interval = (int64_t) DEFAULT_INTERVAL * 1000000; int64_t perhost_interval = (int64_t) DEFAULT_PERHOST_INTERVAL * 1000000; float backoff = DEFAULT_BACKOFF_FACTOR; unsigned int ping_data_size = DEFAULT_PING_DATA_SIZE; unsigned int count = 1, min_reachable = 0; unsigned int trials; int64_t report_interval = 0; unsigned int ttl = 0; int src_addr_set = 0; struct in_addr src_addr; #ifdef IPV6 int src_addr6_set = 0; struct in6_addr src_addr6; #endif /* global stats */ int64_t max_reply = 0; int64_t min_reply = 0; int64_t total_replies = 0; int64_t sum_replies = 0; int max_hostname_len = 0; int num_hosts = 0; /* total number of hosts */ int num_alive = 0, /* total number alive */ num_unreachable = 0, /* total number unreachable */ num_noaddress = 0; /* total number of addresses not found */ int num_timeout = 0, /* number of times select timed out */ num_pingsent = 0, /* total pings sent */ num_pingreceived = 0, /* total pings received */ num_othericmprcvd = 0; /* total non-echo-reply ICMP received */ struct timespec current_time; /* current time (pseudo) */ int64_t current_time_ns; int64_t start_time; int64_t end_time; int64_t last_send_time; /* time last ping was sent */ int64_t next_report_time; /* time next -Q report is expected */ /* switches */ int generate_flag = 0; /* flag for IP list generation */ int verbose_flag, quiet_flag, stats_flag, unreachable_flag, alive_flag; int elapsed_flag, version_flag, count_flag, loop_flag, netdata_flag; int per_recv_flag, report_all_rtts_flag, name_flag, addr_flag, backoff_flag, rdns_flag; int multif_flag, timeout_flag; int outage_flag = 0; int timestamp_flag = 0; int random_data_flag = 0; #if defined(DEBUG) || defined(_DEBUG) int randomly_lose_flag, trace_flag, print_per_system_flag; int lose_factor; #endif /* DEBUG || _DEBUG */ char* filename = NULL; /* file containing hosts to ping */ /*** forward declarations ***/ void add_name(char* name); void add_addr(char* name, char* host, struct sockaddr* ipaddr, socklen_t ipaddr_len); char* na_cat(char* name, struct in_addr ipaddr); void crash_and_burn(char* message); void errno_crash_and_burn(char* message); char* get_host_by_address(struct in_addr in); int send_ping(HOST_ENTRY* h, int index); void usage(int); int wait_for_reply(int64_t); void print_per_system_stats(void); void print_per_system_splits(void); void print_netdata(void); void print_global_stats(void); void main_loop(); void signal_handler(int); void finish(); const char* sprint_tm(int64_t t); void ev_enqueue(struct event_queue *queue, struct event *event); struct event *ev_dequeue(struct event_queue *queue); void ev_remove(struct event_queue *queue, struct event *event); void add_cidr(char*); void add_range(char*, char*); void print_warning(char* fmt, ...); int addr_cmp(struct sockaddr* a, struct sockaddr* b); void host_add_ping_event(HOST_ENTRY *h, int index, int64_t ev_time); void host_add_timeout_event(HOST_ENTRY *h, int index, int64_t ev_time); struct event *host_get_timeout_event(HOST_ENTRY *h, int index); void stats_add(HOST_ENTRY *h, int index, int success, int64_t latency); void update_current_time(); /************************************************************ Function: p_setsockopt ************************************************************* Inputs: p_uid: privileged uid. Others as per setsockopt(2) Description: Elevates privileges to p_uid when required, calls setsockopt, and drops privileges back. ************************************************************/ int p_setsockopt(uid_t p_uid, int sockfd, int level, int optname, const void *optval, socklen_t optlen) { const uid_t saved_uid = geteuid(); int res; if (p_uid != saved_uid && seteuid(p_uid)) { perror("cannot elevate privileges for setsockopt"); } res = setsockopt(sockfd, level, optname, optval, optlen); if (p_uid != saved_uid && seteuid(saved_uid)) { perror("fatal error: could not drop privileges after setsockopt"); /* continuing would be a security hole */ exit(4); } return res; } /************************************************************ Function: main ************************************************************* Inputs: int argc, char** argv Description: Main program entry point ************************************************************/ int main(int argc, char** argv) { int c; const uid_t suid = geteuid(); int tos = 0; struct optparse optparse_state; #ifdef USE_SIGACTION struct sigaction act; #endif /* pre-parse -h/--help, so that we also can output help information * without trying to open the socket, which might fail */ prog = argv[0]; if(argc == 2 && ( strcmp(argv[1],"-h")==0 || strcmp(argv[1],"--help")==0 )) { usage(0); } socket4 = open_ping_socket_ipv4(&socktype4); #ifdef __linux__ /* We only treat SOCK_DGRAM differently on Linux, where the IPv4 header * structure is missing in the message. */ using_sock_dgram4 = (socktype4 == SOCK_DGRAM); #endif #ifdef IPV6 socket6 = open_ping_socket_ipv6(&socktype6); /* if called (sym-linked) via 'fping6', imply '-6' * for backward compatibility */ if (strstr(prog, "fping6")) { hints_ai_family = AF_INET6; } #endif memset(&src_addr, 0, sizeof(src_addr)); #ifdef IPV6 memset(&src_addr6, 0, sizeof(src_addr6)); #endif if (!suid && suid != getuid()) { /* *temporarily* drop privileges */ if (seteuid(getuid()) == -1) perror("cannot setuid"); } optparse_init(&optparse_state, argv); ident4 = ident6 = htons(getpid() & 0xFFFF); verbose_flag = 1; backoff_flag = 1; opterr = 1; /* get command line options */ struct optparse_long longopts[] = { { "ipv4", '4', OPTPARSE_NONE }, { "ipv6", '6', OPTPARSE_NONE }, { "alive", 'a', OPTPARSE_NONE }, { "addr", 'A', OPTPARSE_NONE }, { "size", 'b', OPTPARSE_REQUIRED }, { "backoff", 'B', OPTPARSE_REQUIRED }, { "count", 'c', OPTPARSE_REQUIRED }, { "vcount", 'C', OPTPARSE_REQUIRED }, { "rdns", 'd', OPTPARSE_NONE }, { "timestamp", 'D', OPTPARSE_NONE }, { "elapsed", 'e', OPTPARSE_NONE }, { "file", 'f', OPTPARSE_REQUIRED }, { "generate", 'g', OPTPARSE_NONE }, { "help", 'h', OPTPARSE_NONE }, { "ttl", 'H', OPTPARSE_REQUIRED }, { "interval", 'i', OPTPARSE_REQUIRED }, { "iface", 'I', OPTPARSE_REQUIRED }, { "loop", 'l', OPTPARSE_NONE }, { "all", 'm', OPTPARSE_NONE }, { "dontfrag", 'M', OPTPARSE_NONE }, { "name", 'n', OPTPARSE_NONE }, { "netdata", 'N', OPTPARSE_NONE }, { "outage", 'o', OPTPARSE_NONE }, { "tos", 'O', OPTPARSE_REQUIRED }, { "period", 'p', OPTPARSE_REQUIRED }, { "quiet", 'q', OPTPARSE_NONE }, { "squiet", 'Q', OPTPARSE_REQUIRED }, { "retry", 'r', OPTPARSE_REQUIRED }, { "random", 'R', OPTPARSE_NONE }, { "stats", 's', OPTPARSE_NONE }, { "src", 'S', OPTPARSE_REQUIRED }, { "timeout", 't', OPTPARSE_REQUIRED }, { NULL, 'T', OPTPARSE_REQUIRED }, { "unreach", 'u', OPTPARSE_NONE }, { "version", 'v', OPTPARSE_NONE }, { "reachable", 'x', OPTPARSE_REQUIRED }, #if defined(DEBUG) || defined(_DEBUG) { NULL, 'z', OPTPARSE_REQUIRED }, #endif { 0, 0, 0 } }; float opt_value_float; while ((c = optparse_long(&optparse_state, longopts, NULL)) != EOF) { switch (c) { case '4': #ifdef IPV6 if (hints_ai_family != AF_UNSPEC && hints_ai_family != AF_INET) { fprintf(stderr, "%s: can't specify both -4 and -6\n", prog); exit(1); } hints_ai_family = AF_INET; #endif break; case '6': #ifdef IPV6 if (hints_ai_family != AF_UNSPEC && hints_ai_family != AF_INET6) { fprintf(stderr, "%s: can't specify both -4 and -6\n", prog); exit(1); } hints_ai_family = AF_INET6; #else fprintf(stderr, "%s: IPv6 not supported by this binary\n", prog); exit(1); #endif break; case 'M': #ifdef IP_MTU_DISCOVER if (socket4 >= 0) { int val = IP_PMTUDISC_DO; if (setsockopt(socket4, IPPROTO_IP, IP_MTU_DISCOVER, &val, sizeof(val))) { perror("setsockopt IP_MTU_DISCOVER"); } } #ifdef IPV6 if (socket6 >= 0) { int val = IPV6_PMTUDISC_DO; if (setsockopt(socket6, IPPROTO_IPV6, IPV6_MTU_DISCOVER, &val, sizeof(val))) { perror("setsockopt IPV6_MTU_DISCOVER"); } } #endif #else fprintf(stderr, "%s, -M option not supported on this platform\n", prog); exit(1); #endif break; case 't': if (!sscanf(optparse_state.optarg, "%f", &opt_value_float)) usage(1); if (opt_value_float < 0) { usage(1); } timeout = opt_value_float * 1000000; timeout_flag = 1; break; case 'r': if (!sscanf(optparse_state.optarg, "%u", &retry)) usage(1); break; case 'i': if (!sscanf(optparse_state.optarg, "%f", &opt_value_float)) usage(1); if (opt_value_float < 0) { usage(1); } interval = opt_value_float * 1000000; break; case 'p': if (!sscanf(optparse_state.optarg, "%f", &opt_value_float)) usage(1); if (opt_value_float < 0) { usage(1); } perhost_interval = opt_value_float * 1000000; break; case 'c': if (!(count = (unsigned int)atoi(optparse_state.optarg))) usage(1); count_flag = 1; break; case 'C': if (!(count = (unsigned int)atoi(optparse_state.optarg))) usage(1); count_flag = 1; report_all_rtts_flag = 1; break; case 'b': if (!sscanf(optparse_state.optarg, "%u", &ping_data_size)) usage(1); break; case 'h': usage(0); break; case 'q': verbose_flag = 0; quiet_flag = 1; break; case 'Q': verbose_flag = 0; quiet_flag = 1; if (!sscanf(optparse_state.optarg, "%f", &opt_value_float)) usage(1); if (opt_value_float < 0) { usage(1); } report_interval = opt_value_float * 1e9; break; case 'e': elapsed_flag = 1; break; case 'm': multif_flag = 1; break; case 'N': netdata_flag = 1; break; case 'n': name_flag = 1; if (rdns_flag) { fprintf(stderr, "%s: use either one of -d or -n\n", prog); exit(1); } break; case 'd': rdns_flag = 1; if (name_flag) { fprintf(stderr, "%s: use either one of -d or -n\n", prog); exit(1); } break; case 'A': addr_flag = 1; break; case 'B': if (!(backoff = atof(optparse_state.optarg))) usage(1); break; case 's': stats_flag = 1; break; case 'D': timestamp_flag = 1; break; case 'R': random_data_flag = 1; break; case 'l': loop_flag = 1; backoff_flag = 0; break; case 'u': unreachable_flag = 1; break; case 'a': alive_flag = 1; break; case 'H': if (!(ttl = (unsigned int)atoi(optparse_state.optarg))) usage(1); break; #if defined(DEBUG) || defined(_DEBUG) case 'z': if (sscanf(optparse_state.optarg, "0x%x", &debugging) != 1) if (sscanf(optparse_state.optarg, "%u", &debugging) != 1) usage(1); break; #endif /* DEBUG || _DEBUG */ case 'v': printf("%s: Version %s\n", prog, VERSION); exit(0); case 'x': if (!(min_reachable = (unsigned int)atoi(optparse_state.optarg))) usage(1); break; case 'f': filename = optparse_state.optarg; break; case 'g': /* use IP list generation */ /* mutually exclusive with using file input or command line targets */ generate_flag = 1; break; case 'S': if (inet_pton(AF_INET, optparse_state.optarg, &src_addr)) { src_addr_set = 1; break; } #ifdef IPV6 if (inet_pton(AF_INET6, optparse_state.optarg, &src_addr6)) { src_addr6_set = 1; break; } #endif fprintf(stderr, "%s: can't parse source address: %s\n", prog, optparse_state.optarg); exit(1); case 'I': #ifdef SO_BINDTODEVICE if (socket4 >= 0) { if (p_setsockopt(suid, socket4, SOL_SOCKET, SO_BINDTODEVICE, optparse_state.optarg, strlen(optparse_state.optarg))) { perror("binding to specific interface (SO_BINTODEVICE)"); exit(1); } } #ifdef IPV6 if (socket6 >= 0) { if (p_setsockopt(suid, socket6, SOL_SOCKET, SO_BINDTODEVICE, optparse_state.optarg, strlen(optparse_state.optarg))) { perror("binding to specific interface (SO_BINTODEVICE), IPV6"); exit(1); } } #endif #else printf("%s: cant bind to a particular net interface since SO_BINDTODEVICE is not supported on your os.\n", prog); exit(3); ; #endif break; case 'T': /* This option is ignored for compatibility reasons ("select timeout" is not meaningful anymore) */ break; case 'O': if (sscanf(optparse_state.optarg, "%i", &tos)) { if (socket4 >= 0) { if (setsockopt(socket4, IPPROTO_IP, IP_TOS, &tos, sizeof(tos))) { perror("setting type of service octet IP_TOS"); } } #if defined(IPV6) && defined(IPV6_TCLASS) if (socket6 >= 0) { if (setsockopt(socket6, IPPROTO_IPV6, IPV6_TCLASS, &tos, sizeof(tos))) { perror("setting type of service octet IPV6_TCLASS"); } } #endif } else { usage(1); } break; case 'o': outage_flag = 1; break; case '?': fprintf(stderr, "%s: %s\n", argv[0], optparse_state.errmsg); fprintf(stderr, "see 'fping -h' for usage information\n"); exit(1); break; } } /* permanently drop privileges */ if (suid != getuid() && setuid(getuid())) { perror("fatal: failed to permanently drop privileges"); /* continuing would be a security hole */ exit(4); } /* validate various option settings */ #ifndef IPV6 if (socket4 < 0) { #else if ((socket4 < 0 && socket6 < 0) || (hints_ai_family == AF_INET6 && socket6 < 0)) { #endif crash_and_burn("can't create socket (must run as root?)"); } if (ttl > 255) { fprintf(stderr, "%s: ttl %u out of range\n", prog, ttl); exit(1); } if (unreachable_flag && alive_flag) { fprintf(stderr, "%s: specify only one of a, u\n", prog); exit(1); } if (count_flag && loop_flag) { fprintf(stderr, "%s: specify only one of c, l\n", prog); exit(1); } #ifdef FPING_SAFE_LIMITS if ((interval < (int64_t) MIN_INTERVAL * 1000000 || perhost_interval < (int64_t) MIN_PERHOST_INTERVAL * 1000000) && getuid()) { fprintf(stderr, "%s: these options are too risky for mere mortals.\n", prog); fprintf(stderr, "%s: You need -i >= %u and -p >= %u\n", prog, MIN_INTERVAL, MIN_PERHOST_INTERVAL); exit(1); } #endif if (ping_data_size > MAX_PING_DATA) { fprintf(stderr, "%s: data size %u not valid, must be lower than %u\n", prog, ping_data_size, (unsigned int)MAX_PING_DATA); exit(1); } if ((backoff > MAX_BACKOFF_FACTOR) || (backoff < MIN_BACKOFF_FACTOR)) { fprintf(stderr, "%s: backoff factor %.1f not valid, must be between %.1f and %.1f\n", prog, backoff, MIN_BACKOFF_FACTOR, MAX_BACKOFF_FACTOR); exit(1); } if (alive_flag || unreachable_flag || min_reachable) verbose_flag = 0; if (count_flag) { if (verbose_flag) per_recv_flag = 1; alive_flag = unreachable_flag = verbose_flag = 0; } if (loop_flag) { if (!report_interval) per_recv_flag = 1; alive_flag = unreachable_flag = verbose_flag = 0; } trials = (count > retry + 1) ? count : retry + 1; /* auto-tune default timeout for count/loop modes * see also github #32 */ if (loop_flag || count_flag) { if (!timeout_flag) { timeout = perhost_interval; if (timeout > (int64_t) AUTOTUNE_TIMEOUT_MAX * 1000000) { timeout = (int64_t) AUTOTUNE_TIMEOUT_MAX * 1000000; } } } #if defined(DEBUG) || defined(_DEBUG) if (debugging & DBG_TRACE) trace_flag = 1; if (debugging & DBG_RANDOM_LOSE_FEW) { randomly_lose_flag = 1; lose_factor = 1; /* ie, 1/4 */ } if (debugging & DBG_RANDOM_LOSE_MANY) { randomly_lose_flag = 1; lose_factor = 5; /* ie, 3/4 */ } if (debugging & DBG_PRINT_PER_SYSTEM) print_per_system_flag = 1; if ((debugging & DBG_REPORT_ALL_RTTS) && !loop_flag) report_all_rtts_flag = 1; if (trace_flag) { fprintf(stderr, "%s:\n count: %u, retry: %u, interval: %.0f ms\n", prog, count, retry, interval / 1e6); fprintf(stderr, " perhost_interval: %.0f ms, timeout: %.0f\n", perhost_interval / 1e6, timeout / 1e6); fprintf(stderr, " ping_data_size = %u, trials = %u\n", ping_data_size, trials); if (verbose_flag) fprintf(stderr, " verbose_flag set\n"); if (multif_flag) fprintf(stderr, " multif_flag set\n"); if (name_flag) fprintf(stderr, " name_flag set\n"); if (addr_flag) fprintf(stderr, " addr_flag set\n"); if (stats_flag) fprintf(stderr, " stats_flag set\n"); if (unreachable_flag) fprintf(stderr, " unreachable_flag set\n"); if (alive_flag) fprintf(stderr, " alive_flag set\n"); if (elapsed_flag) fprintf(stderr, " elapsed_flag set\n"); if (version_flag) fprintf(stderr, " version_flag set\n"); if (count_flag) fprintf(stderr, " count_flag set\n"); if (loop_flag) fprintf(stderr, " loop_flag set\n"); if (backoff_flag) fprintf(stderr, " backoff_flag set\n"); if (per_recv_flag) fprintf(stderr, " per_recv_flag set\n"); if (report_all_rtts_flag) fprintf(stderr, " report_all_rtts_flag set\n"); if (randomly_lose_flag) fprintf(stderr, " randomly_lose_flag set\n"); if (print_per_system_flag) fprintf(stderr, " print_per_system_flag set\n"); if (outage_flag) fprintf(stderr, " outage_flag set\n"); if (netdata_flag) fprintf(stderr, " netdata_flag set\n"); } #endif /* DEBUG || _DEBUG */ /* set the TTL, if the -H option was set (otherwise ttl will be = 0) */ if (ttl > 0) { if (socket4 >= 0) { if (setsockopt(socket4, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl))) { perror("setting time to live"); } } #ifdef IPV6 if (socket6 >= 0) { if (setsockopt(socket6, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &ttl, sizeof(ttl))) { perror("setting time to live"); } } #endif } #if HAVE_SO_TIMESTAMPNS { int opt = 1; if (socket4 >= 0) { if (setsockopt(socket4, SOL_SOCKET, SO_TIMESTAMPNS, &opt, sizeof(opt))) { perror("setting SO_TIMESTAMPNS option"); } } #ifdef IPV6 if (socket6 >= 0) { if (setsockopt(socket6, SOL_SOCKET, SO_TIMESTAMPNS, &opt, sizeof(opt))) { perror("setting SO_TIMESTAMPNS option (IPv6)"); } } #endif } #endif update_current_time(); start_time = current_time_ns; /* handle host names supplied on command line or in a file */ /* if the generate_flag is on, then generate the IP list */ argv = &argv[optparse_state.optind]; argc -= optparse_state.optind; /* calculate how many ping can be in-flight per host */ if(count_flag) { event_storage_count = count; } else if(loop_flag) { if(perhost_interval > timeout) { event_storage_count = 1; } else { event_storage_count = 1 + timeout / perhost_interval; } } else { event_storage_count = 1; } /* file and generate are mutually exclusive */ /* file and command line are mutually exclusive */ /* generate requires command line parameters beyond the switches */ if ((*argv && filename) || (filename && generate_flag) || (generate_flag && !*argv)) usage(1); /* if no conditions are specified, then assume input from stdin */ if (!*argv && !filename && !generate_flag) filename = "-"; if (*argv && !generate_flag) { while (*argv) { add_name(*argv); ++argv; } } else if (filename) { FILE* ping_file; char line[132]; char host[132]; if (strcmp(filename, "-") == 0) ping_file = fdopen(0, "r"); else ping_file = fopen(filename, "r"); if (!ping_file) errno_crash_and_burn("fopen"); while (fgets(line, sizeof(line), ping_file)) { if (sscanf(line, "%s", host) != 1) continue; if ((!*host) || (host[0] == '#')) /* magic to avoid comments */ continue; add_name(host); } fclose(ping_file); } else if (*argv && generate_flag) { if (argc == 1) { /* one target: we expect a cidr range (n.n.n.n/m) */ add_cidr(argv[0]); } else if (argc == 2) { add_range(argv[0], argv[1]); } else { usage(1); } } else { usage(1); } if (!num_hosts) { exit(num_noaddress ? 2 : 1); } if (src_addr_set && socket4 >= 0) { socket_set_src_addr_ipv4(socket4, &src_addr, (socktype4 == SOCK_DGRAM) ? &ident4 : NULL); } #ifdef IPV6 if (src_addr6_set && socket6 >= 0) { socket_set_src_addr_ipv6(socket6, &src_addr6, (socktype6 == SOCK_DGRAM) ? &ident6 : NULL); } #endif /* allocate and initialize array to map host nr to host_entry */ { struct event *cursor = event_queue_ping.first; int i= 0; table = (HOST_ENTRY**)calloc(num_hosts, sizeof(HOST_ENTRY *)); if (!table) crash_and_burn("Can't malloc array of hosts"); /* initialize table of hosts. we know that we have ping events scheduled * for each of them */ for (cursor = event_queue_ping.first; cursor; cursor = cursor->ev_next) { table[i] = cursor->host; cursor->host->i = i; i++; } } init_ping_buffer_ipv4(ping_data_size); #ifdef IPV6 init_ping_buffer_ipv6(ping_data_size); #endif #ifdef USE_SIGACTION memset(&act, 0, sizeof(act)); act.sa_handler = signal_handler; sigemptyset(&act.sa_mask); sigaddset(&act.sa_mask, SIGINT); sigaddset(&act.sa_mask, SIGQUIT); act.sa_flags = SA_RESTART; if (sigaction(SIGQUIT, &act, NULL) || sigaction(SIGINT, &act, NULL)) { crash_and_burn("failure to set signal handler"); } #else signal(SIGINT, signal_handler); signal(SIGQUIT, signal_handler); #endif setlinebuf(stdout); if (report_interval) { next_report_time = current_time_ns + report_interval; } last_send_time = 0; seqmap_init(); /* main loop */ main_loop(); finish(); return 0; } static inline int64_t timespec_ns(struct timespec* a) { return ((int64_t) a->tv_sec * 1000000000) + a->tv_nsec; } void add_cidr(char* addr) { char* addr_end; char* mask_str; unsigned long mask; unsigned long bitmask; int ret; struct addrinfo addr_hints; struct addrinfo* addr_res; unsigned long net_addr; unsigned long net_last; /* Split address from mask */ addr_end = strchr(addr, '/'); if (addr_end == NULL) { usage(1); } *addr_end = '\0'; mask_str = addr_end + 1; mask = atoi(mask_str); /* parse address (IPv4 only) */ memset(&addr_hints, 0, sizeof(struct addrinfo)); addr_hints.ai_family = AF_UNSPEC; addr_hints.ai_flags = AI_NUMERICHOST; ret = getaddrinfo(addr, NULL, &addr_hints, &addr_res); if (ret) { fprintf(stderr, "%s, can't parse address %s: %s\n", prog, addr, gai_strerror(ret)); exit(1); } if (addr_res->ai_family != AF_INET) { fprintf(stderr, "%s: -g works only with IPv4 addresses\n", prog); exit(1); } net_addr = ntohl(((struct sockaddr_in*)addr_res->ai_addr)->sin_addr.s_addr); /* check mask */ if (mask < 1 || mask > 32) { fprintf(stderr, "%s: netmask must be between 1 and 32 (is: %s)\n", prog, mask_str); exit(1); } /* convert mask integer from 1 to 32 to a bitmask */ bitmask = ((unsigned long)0xFFFFFFFF) << (32 - mask); /* calculate network range */ net_addr &= bitmask; net_last = net_addr + ((unsigned long)0x1 << (32 - mask)) - 1; /* exclude network and broadcast address for regular prefixes */ if (mask < 31) { net_last--; net_addr++; } /* add all hosts in that network (net_addr and net_last inclusive) */ for (; net_addr <= net_last; net_addr++) { struct in_addr in_addr_tmp; char buffer[20]; in_addr_tmp.s_addr = htonl(net_addr); inet_ntop(AF_INET, &in_addr_tmp, buffer, sizeof(buffer)); add_name(buffer); } freeaddrinfo(addr_res); } void add_range(char* start, char* end) { struct addrinfo addr_hints; struct addrinfo* addr_res; unsigned long start_long; unsigned long end_long; int ret; /* parse start address (IPv4 only) */ memset(&addr_hints, 0, sizeof(struct addrinfo)); addr_hints.ai_family = AF_UNSPEC; addr_hints.ai_flags = AI_NUMERICHOST; ret = getaddrinfo(start, NULL, &addr_hints, &addr_res); if (ret) { fprintf(stderr, "%s: can't parse address %s: %s\n", prog, start, gai_strerror(ret)); exit(1); } if (addr_res->ai_family != AF_INET) { freeaddrinfo(addr_res); fprintf(stderr, "%s: -g works only with IPv4 addresses\n", prog); exit(1); } start_long = ntohl(((struct sockaddr_in*)addr_res->ai_addr)->sin_addr.s_addr); /* parse end address (IPv4 only) */ memset(&addr_hints, 0, sizeof(struct addrinfo)); addr_hints.ai_family = AF_UNSPEC; addr_hints.ai_flags = AI_NUMERICHOST; ret = getaddrinfo(end, NULL, &addr_hints, &addr_res); if (ret) { fprintf(stderr, "%s: can't parse address %s: %s\n", prog, end, gai_strerror(ret)); exit(1); } if (addr_res->ai_family != AF_INET) { freeaddrinfo(addr_res); fprintf(stderr, "%s: -g works only with IPv4 addresses\n", prog); exit(1); } end_long = ntohl(((struct sockaddr_in*)addr_res->ai_addr)->sin_addr.s_addr); freeaddrinfo(addr_res); if (end_long > start_long + MAX_GENERATE) { fprintf(stderr, "%s: -g parameter generates too many addresses\n", prog); exit(1); } /* generate */ for (; start_long <= end_long; start_long++) { struct in_addr in_addr_tmp; char buffer[20]; in_addr_tmp.s_addr = htonl(start_long); inet_ntop(AF_INET, &in_addr_tmp, buffer, sizeof(buffer)); add_name(buffer); } } void main_loop() { int64_t lt; int64_t wait_time_ns; struct event *event; struct host_entry *h; while (event_queue_ping.first || event_queue_timeout.first) { dbg_printf("%s", "# main_loop\n"); /* timeout event ? */ if (event_queue_timeout.first && event_queue_timeout.first->ev_time - current_time_ns <= 0) { event = ev_dequeue(&event_queue_timeout); h = event->host; dbg_printf("%s [%d]: timeout event\n", h->host, event->ping_index); stats_add(h, event->ping_index, 0, -1); if (per_recv_flag) { if (timestamp_flag) { printf("[%.5f] ", (double)current_time_ns / 1e9); } printf("%-*s : [%d], timed out", max_hostname_len, h->host, event->ping_index); if(h->num_recv > 0) { printf(" (%s avg, ", sprint_tm(h->total_time / h->num_recv)); } else { printf(" (NaN avg, "); } if (h->num_recv <= h->num_sent) { printf("%d%% loss)", ((h->num_sent - h->num_recv) * 100) / h->num_sent); } else { printf("%d%% return)", (h->num_recv_total * 100) / h->num_sent); } printf("\n"); } /* do we need to send a retry? */ if (!loop_flag && !count_flag) { if (h->num_sent < retry + 1) { if (backoff_flag) { h->timeout *= backoff; } send_ping(h, event->ping_index); } } /* note: we process first timeout events, because we might need to * wait to process ping events, while we for sure never need to * wait for timeout events. */ continue; } /* ping event ? */ if (event_queue_ping.first && event_queue_ping.first->ev_time - current_time_ns <= 0) { /* Make sure that we don't ping more than once every "interval" */ lt = current_time_ns - last_send_time; if (lt < interval) goto wait_for_reply; /* Dequeue the event */ event = ev_dequeue(&event_queue_ping); h = event->host; dbg_printf("%s [%d]: ping event\n", h->host, event->ping_index); /* Send the ping */ send_ping(h, event->ping_index); /* Loop and count mode: schedule next ping */ if (loop_flag || (count_flag && event->ping_index+1 < count)) { host_add_ping_event(h, event->ping_index+1, event->ev_time + perhost_interval); } } wait_for_reply: /* When is the next ping next event? */ wait_time_ns = -1; if (event_queue_ping.first) { wait_time_ns = event_queue_ping.first->ev_time - current_time_ns; if (wait_time_ns < 0) wait_time_ns = 0; /* make sure that we wait enough, so that the inter-ping delay is * bigger than 'interval' */ if (wait_time_ns < interval) { lt = current_time_ns - last_send_time; if (lt < interval) { wait_time_ns = interval - lt; } } dbg_printf("next ping event in %.0f ms (%s)\n", wait_time_ns / 1e6, event_queue_ping.first->host->host); } /* When is the next timeout event? */ if (event_queue_timeout.first) { int64_t wait_time_timeout = event_queue_timeout.first->ev_time - current_time_ns; if(wait_time_ns < 0 || wait_time_timeout < wait_time_ns) { wait_time_ns = wait_time_timeout; if (wait_time_ns < 0) { wait_time_ns = 0; } } dbg_printf("next timeout event in %.0f ms (%s)\n", wait_time_timeout / 1e6, event_queue_timeout.first->host->host); } /* When is the next report due? */ if (report_interval && (loop_flag || count_flag)) { int64_t wait_time_next_report = next_report_time - current_time_ns; if (wait_time_next_report < wait_time_ns) { wait_time_ns = wait_time_next_report; if (wait_time_ns < 0) { wait_time_ns = 0; } } dbg_printf("next report event in %0.f ms\n", wait_time_next_report / 1e6); } /* if wait_time is still -1, it means that we are waiting for nothing... */ if(wait_time_ns == -1) { break; } /* end of loop was requested by interrupt signal handler */ if (finish_requested) { break; } /* Receive replies */ /* (this is what sleeps during each loop iteration) */ dbg_printf("waiting up to %.0f ms\n", wait_time_ns / 1e6); if (wait_for_reply(wait_time_ns)) { while (wait_for_reply(0)) ; /* process other replies in the queue */ } update_current_time(); if (status_snapshot) { status_snapshot = 0; print_per_system_splits(); } /* Print report */ if (report_interval && (loop_flag || count_flag) && (current_time_ns >= next_report_time)) { if (netdata_flag) print_netdata(); else print_per_system_splits(); while (current_time_ns >= next_report_time) { next_report_time += report_interval; } } } } /************************************************************ Function: signal_handler ************************************************************* Inputs: int signum Description: SIGQUIT signal handler - set flag and return SIGINT signal handler - set flag and return ************************************************************/ void signal_handler(int signum) { switch (signum) { case SIGINT: finish_requested = 1; break; case SIGQUIT: status_snapshot = 1; break; } } /************************************************************ Function: update_current_time *************************************************************/ void update_current_time() { clock_gettime(CLOCKID, ¤t_time); current_time_ns = timespec_ns(¤t_time); } /************************************************************ Function: finish ************************************************************* Inputs: void (none) Description: Main program clean up and exit point ************************************************************/ void finish() { int i; HOST_ENTRY* h; update_current_time(); end_time = current_time_ns; /* tot up unreachables */ for (i = 0; i < num_hosts; i++) { h = table[i]; if (!h->num_recv) { num_unreachable++; if (verbose_flag || unreachable_flag) { printf("%s", h->host); if (verbose_flag) printf(" is unreachable"); printf("\n"); } } } if (count_flag || loop_flag) print_per_system_stats(); #if defined(DEBUG) || defined(_DEBUG) else if (print_per_system_flag) print_per_system_stats(); #endif /* DEBUG || _DEBUG */ if (stats_flag) print_global_stats(); if (min_reachable) { if ((num_hosts-num_unreachable) >= min_reachable) { printf("Enough hosts reachable (required: %d, reachable: %d)\n", min_reachable, num_hosts-num_unreachable); exit(0); } else { printf("Not enough hosts reachable (required: %d, reachable: %d)\n", min_reachable, num_hosts-num_unreachable); exit(1); } } if (num_noaddress) exit(2); else if (num_alive != num_hosts) exit(1); exit(0); } /************************************************************ Function: print_per_system_stats ************************************************************* Inputs: void (none) Description: ************************************************************/ void print_per_system_stats(void) { int i, j, avg, outage_ms; HOST_ENTRY* h; int64_t resp; if (verbose_flag || per_recv_flag) fprintf(stderr, "\n"); for (i = 0; i < num_hosts; i++) { h = table[i]; fprintf(stderr, "%-*s :", max_hostname_len, h->host); if (report_all_rtts_flag) { for (j = 0; j < h->num_sent; j++) { if ((resp = h->resp_times[j]) >= 0) fprintf(stderr, " %s", sprint_tm(resp)); else fprintf(stderr, " -"); } fprintf(stderr, "\n"); } else { if (h->num_recv <= h->num_sent) { fprintf(stderr, " xmt/rcv/%%loss = %d/%d/%d%%", h->num_sent, h->num_recv, h->num_sent > 0 ? ((h->num_sent - h->num_recv) * 100) / h->num_sent : 0); if (outage_flag) { /* Time outage total */ outage_ms = (h->num_sent - h->num_recv) * perhost_interval / 1e6; fprintf(stderr, ", outage(ms) = %d", outage_ms); } } else { fprintf(stderr, " xmt/rcv/%%return = %d/%d/%d%%", h->num_sent, h->num_recv, ((h->num_recv * 100) / h->num_sent)); } if (h->num_recv) { avg = h->total_time / h->num_recv; fprintf(stderr, ", min/avg/max = %s", sprint_tm(h->min_reply)); fprintf(stderr, "/%s", sprint_tm(avg)); fprintf(stderr, "/%s", sprint_tm(h->max_reply)); } fprintf(stderr, "\n"); } } } /************************************************************ Function: print_netdata ************************************************************* Inputs: void (none) Description: ************************************************************/ void print_netdata(void) { static int sent_charts = 0; int i; int64_t avg; HOST_ENTRY* h; for (i = 0; i < num_hosts; i++) { h = table[i]; if (!sent_charts) { printf("CHART fping.%s_packets '' 'FPing Packets for host %s' packets '%s' fping.packets line 110020 %.0f\n", h->name, h->host, h->host, report_interval / 1e9); printf("DIMENSION xmt sent absolute 1 1\n"); printf("DIMENSION rcv received absolute 1 1\n"); } printf("BEGIN fping.%s_packets\n", h->name); printf("SET xmt = %d\n", h->num_sent_i); printf("SET rcv = %d\n", h->num_recv_i); printf("END\n"); if (!sent_charts) { printf("CHART fping.%s_quality '' 'FPing Quality for host %s' percentage '%s' fping.quality area 110010 %.0f\n", h->name, h->host, h->host, report_interval / 1e9); printf("DIMENSION returned '' absolute 1 1\n"); /* printf("DIMENSION lost '' absolute 1 1\n"); */ } printf("BEGIN fping.%s_quality\n", h->name); /* if( h->num_recv_i <= h->num_sent_i ) printf("SET lost = %d\n", h->num_sent_i > 0 ? ( ( h->num_sent_i - h->num_recv_i ) * 100 ) / h->num_sent_i : 0 ); else printf("SET lost = 0\n"); */ printf("SET returned = %d\n", h->num_sent_i > 0 ? ((h->num_recv_i * 100) / h->num_sent_i) : 0); printf("END\n"); if (!sent_charts) { printf("CHART fping.%s_latency '' 'FPing Latency for host %s' ms '%s' fping.latency area 110000 %.0f\n", h->name, h->host, h->host, report_interval / 1e9); printf("DIMENSION min minimum absolute 1 1000000\n"); printf("DIMENSION max maximum absolute 1 1000000\n"); printf("DIMENSION avg average absolute 1 1000000\n"); } printf("BEGIN fping.%s_latency\n", h->name); if (h->num_recv_i) { avg = h->total_time_i / h->num_recv_i; printf("SET min = %" PRId64 "\n", h->min_reply_i); printf("SET avg = %" PRId64 "\n", avg); printf("SET max = %" PRId64 "\n", h->max_reply_i); } printf("END\n"); h->num_sent_i = h->num_recv_i = h->max_reply_i = h->min_reply_i = h->total_time_i = 0; } sent_charts = 1; } /************************************************************ Function: print_per_system_splits ************************************************************* Inputs: void (none) Description: ************************************************************/ void print_per_system_splits(void) { int i, avg, outage_ms_i; HOST_ENTRY* h; struct tm* curr_tm; if (verbose_flag || per_recv_flag) fprintf(stderr, "\n"); update_current_time(); curr_tm = localtime((time_t*)¤t_time.tv_sec); fprintf(stderr, "[%2.2d:%2.2d:%2.2d]\n", curr_tm->tm_hour, curr_tm->tm_min, curr_tm->tm_sec); for (i = 0; i < num_hosts; i++) { h = table[i]; fprintf(stderr, "%-*s :", max_hostname_len, h->host); if (h->num_recv_i <= h->num_sent_i) { fprintf(stderr, " xmt/rcv/%%loss = %d/%d/%d%%", h->num_sent_i, h->num_recv_i, h->num_sent_i > 0 ? ((h->num_sent_i - h->num_recv_i) * 100) / h->num_sent_i : 0); if (outage_flag) { /* Time outage */ outage_ms_i = (h->num_sent_i - h->num_recv_i) * perhost_interval / 1e6; fprintf(stderr, ", outage(ms) = %d", outage_ms_i); } } else { fprintf(stderr, " xmt/rcv/%%return = %d/%d/%d%%", h->num_sent_i, h->num_recv_i, h->num_sent_i > 0 ? ((h->num_recv_i * 100) / h->num_sent_i) : 0); } if (h->num_recv_i) { avg = h->total_time_i / h->num_recv_i; fprintf(stderr, ", min/avg/max = %s", sprint_tm(h->min_reply_i)); fprintf(stderr, "/%s", sprint_tm(avg)); fprintf(stderr, "/%s", sprint_tm(h->max_reply_i)); } fprintf(stderr, "\n"); h->num_sent_i = h->num_recv_i = h->max_reply_i = h->min_reply_i = h->total_time_i = 0; } } /************************************************************ Function: print_global_stats ************************************************************* Inputs: void (none) Description: ************************************************************/ void print_global_stats(void) { fprintf(stderr, "\n"); fprintf(stderr, " %7d targets\n", num_hosts); fprintf(stderr, " %7d alive\n", num_alive); fprintf(stderr, " %7d unreachable\n", num_unreachable); fprintf(stderr, " %7d unknown addresses\n", num_noaddress); fprintf(stderr, "\n"); fprintf(stderr, " %7d timeouts (waiting for response)\n", num_timeout); fprintf(stderr, " %7d ICMP Echos sent\n", num_pingsent); fprintf(stderr, " %7d ICMP Echo Replies received\n", num_pingreceived); fprintf(stderr, " %7d other ICMP received\n", num_othericmprcvd); fprintf(stderr, "\n"); if (total_replies == 0) { min_reply = 0; max_reply = 0; total_replies = 1; sum_replies = 0; } fprintf(stderr, " %s ms (min round trip time)\n", sprint_tm(min_reply)); fprintf(stderr, " %s ms (avg round trip time)\n", sprint_tm(sum_replies / total_replies)); fprintf(stderr, " %s ms (max round trip time)\n", sprint_tm(max_reply)); fprintf(stderr, " %12.3f sec (elapsed real time)\n", (end_time - start_time) / 1e9); fprintf(stderr, "\n"); } /************************************************************ Function: send_ping ************************************************************* Inputs: int s, HOST_ENTRY *h Description: Compose and transmit an ICMP_ECHO REQUEST packet. The IP packet will be added on by the kernel. The ID field is our UNIX process ID, and the sequence number is an index into an array of outstanding ping requests. The sequence number will later be used to quickly figure out who the ping reply came from. ************************************************************/ int send_ping(HOST_ENTRY* h, int index) { int n; int myseq; int ret = 1; update_current_time(); h->last_send_time = current_time_ns; myseq = seqmap_add(h->i, index, current_time_ns); dbg_printf("%s [%d]: send ping\n", h->host, index); if (h->saddr.ss_family == AF_INET && socket4 >= 0) { n = socket_sendto_ping_ipv4(socket4, (struct sockaddr*)&h->saddr, h->saddr_len, myseq, ident4); } #ifdef IPV6 else if (h->saddr.ss_family == AF_INET6 && socket6 >= 0) { n = socket_sendto_ping_ipv6(socket6, (struct sockaddr*)&h->saddr, h->saddr_len, myseq, ident6); } #endif else { return 0; } /* error sending? */ if ( (n < 0) #if defined(EHOSTDOWN) && errno != EHOSTDOWN #endif ) { if (verbose_flag) { print_warning("%s: error while sending ping: %s\n", h->host, strerror(errno)); } else { dbg_printf("%s: error while sending ping: %s\n", h->host, strerror(errno)); } h->num_sent++; h->num_sent_i++; if (!loop_flag) h->resp_times[index] = RESP_ERROR; ret = 0; } else { /* schedule timeout */ host_add_timeout_event(h, index, current_time_ns + h->timeout); /* mark this trial as outstanding */ if (!loop_flag) { h->resp_times[index] = RESP_WAITING; } } num_pingsent++; last_send_time = h->last_send_time; return (ret); } int socket_can_read(struct timeval* timeout) { int nfound; fd_set readset; int socketmax; #ifndef IPV6 socketmax = socket4; #else socketmax = socket4 > socket6 ? socket4 : socket6; #endif select_again: FD_ZERO(&readset); if(socket4 >= 0) FD_SET(socket4, &readset); #ifdef IPV6 if(socket6 >= 0) FD_SET(socket6, &readset); #endif nfound = select(socketmax + 1, &readset, NULL, NULL, timeout); if (nfound < 0) { if (errno == EINTR) { /* interrupted system call: redo the select */ goto select_again; } else { perror("select"); } } if (nfound > 0) { if (socket4 >= 0 && FD_ISSET(socket4, &readset)) { return socket4; } #ifdef IPV6 if (socket6 >= 0 && FD_ISSET(socket6, &readset)) { return socket6; } #endif } return -1; } int receive_packet(int64_t wait_time, int64_t* reply_timestamp, struct sockaddr* reply_src_addr, size_t reply_src_addr_len, char* reply_buf, size_t reply_buf_len) { struct timeval to; int s = 0; int recv_len; static unsigned char msg_control[40]; struct iovec msg_iov = { reply_buf, reply_buf_len }; struct msghdr recv_msghdr = { reply_src_addr, reply_src_addr_len, &msg_iov, 1, &msg_control, sizeof(msg_control), 0 }; #if HAVE_SO_TIMESTAMPNS struct cmsghdr* cmsg; #endif /* Wait for a socket to become ready */ if (wait_time) { to.tv_sec = wait_time / UINT64_C(1000000000); to.tv_usec = (wait_time % UINT64_C(1000000000)) / 1000 + 1; } else { to.tv_sec = 0; to.tv_usec = 0; } s = socket_can_read(&to); if (s == -1) { return 0; /* timeout */ } recv_len = recvmsg(s, &recv_msghdr, MSG_TRUNC); if (recv_len <= 0) { return 0; } #if HAVE_SO_TIMESTAMPNS /* ancilliary data */ { struct timespec reply_timestamp_ts; for (cmsg = CMSG_FIRSTHDR(&recv_msghdr); cmsg != NULL; cmsg = CMSG_NXTHDR(&recv_msghdr, cmsg)) { if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_TIMESTAMPNS) { memcpy(&reply_timestamp_ts, CMSG_DATA(cmsg), sizeof(reply_timestamp_ts)); *reply_timestamp = timespec_ns(&reply_timestamp_ts); } } } #endif #if defined(DEBUG) || defined(_DEBUG) if (randomly_lose_flag) { if ((random() & 0x07) <= lose_factor) return 0; } #endif return recv_len; } /* stats_add: update host statistics for a single packet that was received (or timed out) * h: host entry to update * index: if in count mode: index number for this ping packet (-1 otherwise) * success: 1 if response received, 0 otherwise * latency: response time, in ns */ void stats_add(HOST_ENTRY *h, int index, int success, int64_t latency) { /* sent count - we update only on receive/timeout, so that we don't get * weird loss percentage, just because a packet was note recived yet. */ h->num_sent++; h->num_sent_i++; if(!success) { if(!loop_flag && index>=0) { h->resp_times[index] = RESP_TIMEOUT; } num_timeout++; return; } /* received count */ h->num_recv++; h->num_recv_i++; /* maximum */ if (!h->max_reply || latency > h->max_reply) { h->max_reply = latency; } if (!h->max_reply_i || latency > h->max_reply_i) { h->max_reply_i = latency; } /* minimum */ if (!h->min_reply || latency < h->min_reply) { h->min_reply = latency; } if (!h->min_reply_i || latency < h->min_reply_i) { h->min_reply_i = latency; } /* total time (for average) */ h->total_time += latency; h->total_time_i += latency; /* response time per-packet (count mode) */ if(!loop_flag && index>=0) { h->resp_times[index] = latency; } } /* stats_reset_interval: reset interval statistics * h: host entry to update */ void stats_reset_interval(HOST_ENTRY *h) { h->num_sent_i = 0; h->num_recv_i = 0; h->max_reply_i = 0; h->min_reply_i = 0; h->total_time_i = 0; } int decode_icmp_ipv4( struct sockaddr* response_addr, size_t response_addr_len, char* reply_buf, size_t reply_buf_len, unsigned short* id, unsigned short* seq) { struct icmp* icp; int hlen = 0; if (!using_sock_dgram4) { struct ip* ip = (struct ip*)reply_buf; #if defined(__alpha__) && __STDC__ && !defined(__GLIBC__) /* The alpha headers are decidedly broken. * Using an ANSI compiler, it provides ip_vhl instead of ip_hl and * ip_v. So, to get ip_hl, we mask off the bottom four bits. */ hlen = (ip->ip_vhl & 0x0F) << 2; #else hlen = ip->ip_hl << 2; #endif } if (reply_buf_len < hlen + ICMP_MINLEN) { /* too short */ if (verbose_flag) { char buf[INET6_ADDRSTRLEN]; getnameinfo( response_addr, sizeof( struct sockaddr_in ), buf, INET6_ADDRSTRLEN, NULL, 0, NI_NUMERICHOST); printf("received packet too short for ICMP (%d bytes from %s)\n", (int)reply_buf_len, buf); } return -1; } icp = (struct icmp*)(reply_buf + hlen); if (icp->icmp_type != ICMP_ECHOREPLY) { /* Handle other ICMP packets */ struct icmp* sent_icmp; SEQMAP_VALUE* seqmap_value; char addr_ascii[INET6_ADDRSTRLEN]; HOST_ENTRY* h; /* reply icmp packet (hlen + ICMP_MINLEN) followed by "sent packet" (ip + icmp headers) */ if (reply_buf_len < hlen + ICMP_MINLEN + sizeof(struct ip) + ICMP_MINLEN) { /* discard ICMP message if we can't tell that it was caused by us (i.e. if the "sent packet" is not included). */ return -1; } sent_icmp = (struct icmp*)(reply_buf + hlen + ICMP_MINLEN + sizeof(struct ip)); if (sent_icmp->icmp_type != ICMP_ECHO || sent_icmp->icmp_id != ident4) { /* not caused by us */ return -1; } seqmap_value = seqmap_fetch(ntohs(sent_icmp->icmp_seq), current_time_ns); if (seqmap_value == NULL) { return -1; } getnameinfo(response_addr, sizeof( struct sockaddr_in ), addr_ascii, INET6_ADDRSTRLEN, NULL, 0, NI_NUMERICHOST); switch (icp->icmp_type) { case ICMP_UNREACH: h = table[seqmap_value->host_nr]; if (icp->icmp_code > ICMP_UNREACH_MAXTYPE) { print_warning("ICMP Unreachable (Invalid Code) from %s for ICMP Echo sent to %s", addr_ascii, h->host); } else { print_warning("%s from %s for ICMP Echo sent to %s", icmp_unreach_str[icp->icmp_code], addr_ascii, h->host); } print_warning("\n"); num_othericmprcvd++; break; case ICMP_SOURCEQUENCH: case ICMP_REDIRECT: case ICMP_TIMXCEED: case ICMP_PARAMPROB: h = table[seqmap_value->host_nr]; if (icp->icmp_type <= ICMP_TYPE_STR_MAX) { print_warning("%s from %s for ICMP Echo sent to %s", icmp_type_str[icp->icmp_type], addr_ascii, h->host); } else { print_warning("ICMP %d from %s for ICMP Echo sent to %s", icp->icmp_type, addr_ascii, h->host); } print_warning("\n"); num_othericmprcvd++; break; } return -1; } *id = icp->icmp_id; *seq = ntohs(icp->icmp_seq); return hlen; } #ifdef IPV6 int decode_icmp_ipv6( struct sockaddr* response_addr, size_t response_addr_len, char* reply_buf, size_t reply_buf_len, unsigned short* id, unsigned short* seq) { struct icmp6_hdr* icp; if (reply_buf_len < sizeof(struct icmp6_hdr)) { if (verbose_flag) { char buf[INET6_ADDRSTRLEN]; getnameinfo((struct sockaddr*)&response_addr, sizeof(response_addr), buf, INET6_ADDRSTRLEN, NULL, 0, NI_NUMERICHOST); printf("received packet too short for ICMP (%d bytes from %s)\n", (int)reply_buf_len, buf); } return 0; /* too short */ } icp = (struct icmp6_hdr*)reply_buf; if (icp->icmp6_type != ICMP6_ECHO_REPLY) { /* Handle other ICMP packets */ struct icmp6_hdr* sent_icmp; SEQMAP_VALUE* seqmap_value; char addr_ascii[INET6_ADDRSTRLEN]; HOST_ENTRY* h; /* reply icmp packet (ICMP_MINLEN) followed by "sent packet" (ip + icmp headers) */ if (reply_buf_len < ICMP_MINLEN + sizeof(struct ip) + ICMP_MINLEN) { /* discard ICMP message if we can't tell that it was caused by us (i.e. if the "sent packet" is not included). */ return 0; } sent_icmp = (struct icmp6_hdr*)(reply_buf + sizeof(struct icmp6_hdr) + sizeof(struct ip)); if (sent_icmp->icmp6_type != ICMP_ECHO || sent_icmp->icmp6_id != ident6) { /* not caused by us */ return 0; } seqmap_value = seqmap_fetch(ntohs(sent_icmp->icmp6_seq), current_time_ns); if (seqmap_value == NULL) { return 0; } getnameinfo(response_addr, response_addr_len, addr_ascii, INET6_ADDRSTRLEN, NULL, 0, NI_NUMERICHOST); switch (icp->icmp6_type) { case ICMP_UNREACH: h = table[seqmap_value->host_nr]; if (icp->icmp6_code > ICMP_UNREACH_MAXTYPE) { print_warning("ICMP Unreachable (Invalid Code) from %s for ICMP Echo sent to %s", addr_ascii, h->host); } else { print_warning("%s from %s for ICMP Echo sent to %s", icmp_unreach_str[icp->icmp6_code], addr_ascii, h->host); } print_warning("\n"); num_othericmprcvd++; break; case ICMP_SOURCEQUENCH: case ICMP_REDIRECT: case ICMP_TIMXCEED: case ICMP_PARAMPROB: h = table[seqmap_value->host_nr]; if (icp->icmp6_type <= ICMP_TYPE_STR_MAX) { print_warning("%s from %s for ICMP Echo sent to %s", icmp_type_str[icp->icmp6_type], addr_ascii, h->host); } else { print_warning("ICMP %d from %s for ICMP Echo sent to %s", icp->icmp6_type, addr_ascii, h->host); } print_warning("\n"); num_othericmprcvd++; break; } return 0; } *id = icp->icmp6_id; *seq = ntohs(icp->icmp6_seq); return 1; } #endif int wait_for_reply(int64_t wait_time) { int result; static char buffer[RECV_BUFSIZE]; struct sockaddr_storage response_addr; int n, avg; HOST_ENTRY* h; int64_t this_reply; int this_count; int64_t recv_time=0; SEQMAP_VALUE* seqmap_value; unsigned short id; unsigned short seq; /* Receive packet */ result = receive_packet(wait_time, /* max. wait time, in ns */ &recv_time, /* reply_timestamp */ (struct sockaddr*)&response_addr, /* reply_src_addr */ sizeof(response_addr), /* reply_src_addr_len */ buffer, /* reply_buf */ sizeof(buffer) /* reply_buf_len */ ); if (result <= 0) { return 0; } update_current_time(); if(recv_time==0) recv_time = current_time_ns; /* Process ICMP packet and retrieve id/seq */ if (response_addr.ss_family == AF_INET) { int ip_hlen = decode_icmp_ipv4( (struct sockaddr*)&response_addr, sizeof(response_addr), buffer, sizeof(buffer), &id, &seq); if (ip_hlen < 0) { return 1; } if (id != ident4) { return 1; /* packet received, but not the one we are looking for! */ } if (!using_sock_dgram4) { /* do not include IP header in returned size, to be consistent with ping(8) and also * with fping with IPv6 hosts */ result -= ip_hlen; } } #ifdef IPV6 else if (response_addr.ss_family == AF_INET6) { if (!decode_icmp_ipv6( (struct sockaddr*)&response_addr, sizeof(response_addr), buffer, sizeof(buffer), &id, &seq)) { return 1; } if (id != ident6) { return 1; /* packet received, but not the one we are looking for! */ } } #endif else { return 1; } seqmap_value = seqmap_fetch(seq, current_time_ns); if (seqmap_value == NULL) { return 1; } /* find corresponding host_entry */ n = seqmap_value->host_nr; h = table[n]; this_count = seqmap_value->ping_count; this_reply = recv_time - seqmap_value->ping_ts; /* update stats that include invalid replies */ h->num_recv_total++; num_pingreceived++; dbg_printf("received [%d] from %s\n", this_count, h->host); /* discard duplicates */ if (!loop_flag && h->resp_times[this_count] >= 0) { if (!per_recv_flag) { fprintf(stderr, "%s : duplicate for [%d], %d bytes, %s ms", h->host, this_count, result, sprint_tm(this_reply)); if (addr_cmp((struct sockaddr*)&response_addr, (struct sockaddr*)&h->saddr)) { char buf[INET6_ADDRSTRLEN]; getnameinfo((struct sockaddr*)&response_addr, sizeof(response_addr), buf, INET6_ADDRSTRLEN, NULL, 0, NI_NUMERICHOST); fprintf(stderr, " [<- %s]", buf); } fprintf(stderr, "\n"); } return 1; } /* discard reply if delay is larger than timeout * (see also: github #32) */ if (this_reply > h->timeout) { return 1; } /* update stats */ stats_add(h, this_count, 1, this_reply); // TODO: move to stats_add? if (!max_reply || this_reply > max_reply) max_reply = this_reply; if (!min_reply || this_reply < min_reply) min_reply = this_reply; sum_replies += this_reply; total_replies++; /* initialize timeout to initial timeout (without backoff) */ h->timeout = timeout; /* remove timeout event */ struct event *timeout_event = host_get_timeout_event(h, this_count); if(timeout_event) { ev_remove(&event_queue_timeout, timeout_event); } /* print "is alive" */ if (h->num_recv == 1) { num_alive++; if (verbose_flag || alive_flag) { printf("%s", h->host); if (verbose_flag) printf(" is alive"); if (elapsed_flag) printf(" (%s ms)", sprint_tm(this_reply)); if (addr_cmp((struct sockaddr*)&response_addr, (struct sockaddr*)&h->saddr)) { char buf[INET6_ADDRSTRLEN]; getnameinfo((struct sockaddr*)&response_addr, sizeof(response_addr), buf, INET6_ADDRSTRLEN, NULL, 0, NI_NUMERICHOST); fprintf(stderr, " [<- %s]", buf); } printf("\n"); } } /* print received ping (unless --quiet) */ if (per_recv_flag) { if (timestamp_flag) { printf("[%.5f] ", (double)recv_time / 1e9); } avg = h->total_time / h->num_recv; printf("%-*s : [%d], %d bytes, %s ms", max_hostname_len, h->host, this_count, result, sprint_tm(this_reply)); printf(" (%s avg, ", sprint_tm(avg)); if (h->num_recv <= h->num_sent) { printf("%d%% loss)", ((h->num_sent - h->num_recv) * 100) / h->num_sent); } else { printf("%d%% return)", (h->num_recv_total * 100) / h->num_sent); } if (addr_cmp((struct sockaddr*)&response_addr, (struct sockaddr*)&h->saddr)) { char buf[INET6_ADDRSTRLEN]; getnameinfo((struct sockaddr*)&response_addr, sizeof(response_addr), buf, INET6_ADDRSTRLEN, NULL, 0, NI_NUMERICHOST); fprintf(stderr, " [<- %s]", buf); } printf("\n"); } return 1; } /************************************************************ Function: add_name ************************************************************* Inputs: char* name Description: process input name for addition to target list name can turn into multiple targets via multiple interfaces (-m) or via NIS groups ************************************************************/ void add_name(char* name) { struct addrinfo *res0, *res, hints; int ret_ga; char* printname; char namebuf[256]; char addrbuf[256]; /* getaddrinfo */ memset(&hints, 0, sizeof(struct addrinfo)); hints.ai_flags = AI_UNUSABLE; hints.ai_socktype = SOCK_RAW; hints.ai_family = hints_ai_family; if (hints_ai_family == AF_INET) { hints.ai_protocol = IPPROTO_ICMP; } #ifdef IPV6 else if (hints_ai_family == AF_INET6) { hints.ai_protocol = IPPROTO_ICMPV6; } #endif else { hints.ai_socktype = SOCK_STREAM; hints.ai_protocol = 0; } ret_ga = getaddrinfo(name, NULL, &hints, &res0); if (ret_ga) { if (!quiet_flag) print_warning("%s: %s\n", name, gai_strerror(ret_ga)); num_noaddress++; return; } /* NOTE: we could/should loop with res on all addresses like this: * for (res = res0; res; res = res->ai_next) { * We don't do it yet, however, because is is an incompatible change * (need to implement a separate option for this) */ for (res = res0; res; res = res->ai_next) { /* name_flag: addr -> name lookup requested) */ if (name_flag || rdns_flag) { int do_rdns = rdns_flag ? 1 : 0; if (name_flag) { /* Was it a numerical address? Only then do a rdns-query */ struct addrinfo* nres; hints.ai_flags = AI_NUMERICHOST; if (getaddrinfo(name, NULL, &hints, &nres) == 0) { do_rdns = 1; freeaddrinfo(nres); } } if (do_rdns && getnameinfo(res->ai_addr, res->ai_addrlen, namebuf, sizeof(namebuf) / sizeof(char), NULL, 0, 0) == 0) { printname = namebuf; } else { printname = name; } } else { printname = name; } /* addr_flag: name -> addr lookup requested */ if (addr_flag) { int ret; ret = getnameinfo(res->ai_addr, res->ai_addrlen, addrbuf, sizeof(addrbuf) / sizeof(char), NULL, 0, NI_NUMERICHOST); if (ret) { if (!quiet_flag) { print_warning("%s: can't forward-lookup address (%s)\n", name, gai_strerror(ret)); } continue; } if (name_flag || rdns_flag) { char nameaddrbuf[512+3]; snprintf(nameaddrbuf, sizeof(nameaddrbuf) / sizeof(char), "%s (%s)", printname, addrbuf); add_addr(name, nameaddrbuf, res->ai_addr, res->ai_addrlen); } else { add_addr(name, addrbuf, res->ai_addr, res->ai_addrlen); } } else { add_addr(name, printname, res->ai_addr, res->ai_addrlen); } if (!multif_flag) { break; } } freeaddrinfo(res0); } /************************************************************ Function: add_addr ************************************************************* Description: add single address to list of hosts to be pinged ************************************************************/ void add_addr(char* name, char* host, struct sockaddr* ipaddr, socklen_t ipaddr_len) { HOST_ENTRY* p; int n; int64_t *i; p = (HOST_ENTRY*)calloc(1, sizeof(HOST_ENTRY)); if (!p) crash_and_burn("can't allocate HOST_ENTRY"); p->name = strdup(name); p->host = strdup(host); memcpy(&p->saddr, ipaddr, ipaddr_len); p->saddr_len = ipaddr_len; p->timeout = timeout; p->min_reply = 0; if (netdata_flag) { char* s = p->name; while (*s) { if (!isalnum(*s)) *s = '_'; s++; } } if (strlen(p->host) > max_hostname_len) max_hostname_len = strlen(p->host); /* array for response time results */ if (!loop_flag) { i = (int64_t*)malloc(trials * sizeof(int64_t)); if (!i) crash_and_burn("can't allocate resp_times array"); for (n = 1; n < trials; n++) i[n] = RESP_UNUSED; p->resp_times = i; } /* allocate event storage */ p->event_storage_ping = (struct event *) calloc(event_storage_count, sizeof(struct event)); p->event_storage_timeout = (struct event *) calloc(event_storage_count, sizeof(struct event)); /* schedule first ping */ host_add_ping_event(p, 0, current_time_ns); num_hosts++; } /************************************************************ Function: crash_and_burn ************************************************************* Inputs: char* message Description: ************************************************************/ void crash_and_burn(char* message) { if (verbose_flag) fprintf(stderr, "%s: %s\n", prog, message); exit(4); } /************************************************************ Function: errno_crash_and_burn ************************************************************* Inputs: char* message Description: ************************************************************/ void errno_crash_and_burn(char* message) { fprintf(stderr, "%s: %s : %s\n", prog, message, strerror(errno)); exit(4); } /************************************************************ Function: print_warning Description: fprintf(stderr, ...), unless running with -q *************************************************************/ void print_warning(char* format, ...) { va_list args; if (!quiet_flag) { va_start(args, format); vfprintf(stderr, format, args); va_end(args); } } /************************************************************ Function: sprint_tm ************************************************************* render nanosecond int64_t value into milliseconds string with three digits of precision. ************************************************************/ const char* sprint_tm(int64_t ns) { static char buf[10]; double t = (double)ns / 1e6; if (t < 0.0) { /* negative (unexpected) */ sprintf(buf, "%.2g", t); } else if (t < 1.0) { /* <= 0.99 ms */ sprintf(buf, "%.3f", t); } else if (t < 10.0) { /* 1.00 - 9.99 ms */ sprintf(buf, "%.2f", t); } else if (t < 100.0) { /* 10.0 - 99.9 ms */ sprintf(buf, "%.1f", t); } else if (t < 1000000.0) { /* 100 - 1'000'000 ms */ sprintf(buf, "%.0f", t); } else { sprintf(buf, "%.3e", t); } return (buf); } /************************************************************ Function: addr_cmp *************************************************************/ int addr_cmp(struct sockaddr* a, struct sockaddr* b) { if (a->sa_family != b->sa_family) { return a->sa_family - b->sa_family; } else { if (a->sa_family == AF_INET) { return ((struct sockaddr_in*)a)->sin_addr.s_addr - ((struct sockaddr_in*)b)->sin_addr.s_addr; } else if (a->sa_family == AF_INET6) { return memcmp(&((struct sockaddr_in6*)a)->sin6_addr, &((struct sockaddr_in6*)b)->sin6_addr, sizeof(((struct sockaddr_in6*)a)->sin6_addr)); } } return 0; } void host_add_ping_event(HOST_ENTRY *h, int index, int64_t ev_time) { struct event *event = &h->event_storage_ping[index % event_storage_count]; event->host = h; event->ping_index = index; event->ev_time = ev_time; ev_enqueue(&event_queue_ping, event); dbg_printf("%s [%d]: add ping event in %.0f ms\n", event->host->host, index, (ev_time - current_time_ns) / 1e6); } void host_add_timeout_event(HOST_ENTRY *h, int index, int64_t ev_time) { struct event *event = &h->event_storage_timeout[index % event_storage_count]; event->host = h; event->ping_index = index; event->ev_time = ev_time; ev_enqueue(&event_queue_timeout, event); dbg_printf("%s [%d]: add timeout event in %.0f ms\n", event->host->host, index, (ev_time - current_time_ns) / 1e6); } struct event *host_get_timeout_event(HOST_ENTRY *h, int index) { return &h->event_storage_timeout[index % event_storage_count]; } /************************************************************ Function: ev_enqueue Enqueue an event The queue is sorted by event->ev_time, so that queue->first always points to the earliest event. We start scanning the queue from the tail, because we assume that new events mostly get inserted with a event time higher than the others. *************************************************************/ void ev_enqueue(struct event_queue *queue, struct event* event) { struct event* i; struct event* i_prev; /* Empty list */ if (queue->last == NULL) { event->ev_next = NULL; event->ev_prev = NULL; queue->first = event; queue->last = event; return; } /* Insert on tail? */ if (event->ev_time - queue->last->ev_time >= 0) { event->ev_next = NULL; event->ev_prev = queue->last; queue->last->ev_next = event; queue->last = event; return; } /* Find insertion point */ i = queue->last; while (1) { i_prev = i->ev_prev; if (i_prev == NULL || event->ev_time - i_prev->ev_time >= 0) { event->ev_prev = i_prev; event->ev_next = i; i->ev_prev = event; if (i_prev != NULL) { i_prev->ev_next = event; } else { queue->first = event; } return; } i = i_prev; } } /************************************************************ Function: ev_dequeue *************************************************************/ struct event *ev_dequeue(struct event_queue *queue) { struct event *dequeued; if (queue->first == NULL) { return NULL; } dequeued = queue->first; ev_remove(queue, dequeued); return dequeued; } /************************************************************ Function: ev_remove *************************************************************/ void ev_remove(struct event_queue *queue, struct event *event) { if (queue->first == event) { queue->first = event->ev_next; } if (queue->last == event) { queue->last = event->ev_prev; } if (event->ev_prev) { event->ev_prev->ev_next = event->ev_next; } if (event->ev_next) { event->ev_next->ev_prev = event->ev_prev; } event->ev_prev = NULL; event->ev_next = NULL; } /************************************************************ Function: usage ************************************************************* Inputs: int: 0 if output on request, 1 if output because of wrong argument Description: ************************************************************/ void usage(int is_error) { FILE* out = is_error ? stderr : stdout; fprintf(out, "Usage: %s [options] [targets...]\n", prog); fprintf(out, "\n"); fprintf(out, "Probing options:\n"); fprintf(out, " -4, --ipv4 only ping IPv4 addresses\n"); fprintf(out, " -6, --ipv6 only ping IPv6 addresses\n"); fprintf(out, " -b, --size=BYTES amount of ping data to send, in bytes (default: %d)\n", DEFAULT_PING_DATA_SIZE); fprintf(out, " -B, --backoff=N set exponential backoff factor to N (default: 1.5)\n"); fprintf(out, " -c, --count=N count mode: send N pings to each target\n"); fprintf(out, " -f, --file=FILE read list of targets from a file ( - means stdin)\n"); fprintf(out, " -g, --generate generate target list (only if no -f specified)\n"); fprintf(out, " (give start and end IP in the target list, or a CIDR address)\n"); fprintf(out, " (ex. %s -g 192.168.1.0 192.168.1.255 or %s -g 192.168.1.0/24)\n", prog, prog); fprintf(out, " -H, --ttl=N set the IP TTL value (Time To Live hops)\n"); #ifdef SO_BINDTODEVICE fprintf(out, " -I, --iface=IFACE bind to a particular interface\n"); #endif fprintf(out, " -l, --loop loop mode: send pings forever\n"); fprintf(out, " -m, --all use all IPs of provided hostnames (e.g. IPv4 and IPv6), use with -A\n"); fprintf(out, " -M, --dontfrag set the Don't Fragment flag\n"); fprintf(out, " -O, --tos=N set the type of service (tos) flag on the ICMP packets\n"); fprintf(out, " -p, --period=MSEC interval between ping packets to one target (in ms)\n"); fprintf(out, " (in loop and count modes, default: %.0f ms)\n", perhost_interval / 1e6); fprintf(out, " -r, --retry=N number of retries (default: %d)\n", DEFAULT_RETRY); fprintf(out, " -R, --random random packet data (to foil link data compression)\n"); fprintf(out, " -S, --src=IP set source address\n"); fprintf(out, " -t, --timeout=MSEC individual target initial timeout (default: %.0f ms,\n", timeout / 1e6); fprintf(out, " except with -l/-c/-C, where it's the -p period up to 2000 ms)\n"); fprintf(out, "\n"); fprintf(out, "Output options:\n"); fprintf(out, " -a, --alive show targets that are alive\n"); fprintf(out, " -A, --addr show targets by address\n"); fprintf(out, " -C, --vcount=N same as -c, report results in verbose format\n"); fprintf(out, " -d, --rdns show targets by name (force reverse-DNS lookup)\n"); fprintf(out, " -D, --timestamp print timestamp before each output line\n"); fprintf(out, " -e, --elapsed show elapsed time on return packets\n"); fprintf(out, " -i, --interval=MSEC interval between sending ping packets (default: %.0f ms)\n", interval / 1e6); fprintf(out, " -n, --name show targets by name (reverse-DNS lookup for target IPs)\n"); fprintf(out, " -N, --netdata output compatible for netdata (-l -Q are required)\n"); fprintf(out, " -o, --outage show the accumulated outage time (lost packets * packet interval)\n"); fprintf(out, " -q, --quiet quiet (don't show per-target/per-ping results)\n"); fprintf(out, " -Q, --squiet=SECS same as -q, but add interval summary every SECS seconds\n"); fprintf(out, " -s, --stats print final stats\n"); fprintf(out, " -u, --unreach show targets that are unreachable\n"); fprintf(out, " -v, --version show version\n"); fprintf(out, " -x, --reachable=N shows if >=N hosts are reachable or not\n"); exit(is_error); } fping-5.1/src/socket4.c0000644000175100001710000001116314177770216011725 00000000000000/* * fping: fast-ping, file-ping, favorite-ping, funky-ping * * Ping a list of target hosts in a round robin fashion. * A better ping overall. * * fping website: http://www.fping.org * * Current maintainer of fping: David Schweikert * Please send suggestions and patches to: david@schweikert.ch * * * Original author: Roland Schemers * IPv6 Support: Jeroen Massar * Improved main loop: David Schweikert * Debian Merge, TOS settings: Tobi Oetiker * Bugfixes, byte order & senseful seq.-numbers: Stephan Fuhrmann (stephan.fuhrmann AT 1und1.de) * * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by Stanford University. The name of the University 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 WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #include "config.h" #include "fping.h" #include #include #include #include #include #include #include #include #include #include char* ping_buffer_ipv4 = 0; size_t ping_pkt_size_ipv4; int open_ping_socket_ipv4(int *socktype) { struct protoent* proto; int s; /* confirm that ICMP is available on this machine */ if ((proto = getprotobyname("icmp")) == NULL) crash_and_burn("icmp: unknown protocol"); /* create raw socket for ICMP calls (ping) */ *socktype = SOCK_RAW; s = socket(AF_INET, *socktype, proto->p_proto); if (s < 0) { /* try non-privileged icmp (works on Mac OSX without privileges, for example) */ *socktype = SOCK_DGRAM; s = socket(AF_INET, *socktype, proto->p_proto); if (s < 0) { return -1; } } /* Make sure that we use non-blocking IO */ { int flags; if ((flags = fcntl(s, F_GETFL, 0)) < 0) perror("fcntl"); if (fcntl(s, F_SETFL, flags | O_NONBLOCK) < 0) perror("fcntl"); } return s; } void init_ping_buffer_ipv4(size_t ping_data_size) { /* allocate ping buffer */ ping_pkt_size_ipv4 = ping_data_size + ICMP_MINLEN; ping_buffer_ipv4 = (char*)calloc(1, ping_pkt_size_ipv4); if (!ping_buffer_ipv4) crash_and_burn("can't malloc ping packet"); } void socket_set_src_addr_ipv4(int s, struct in_addr* src_addr, int *ident) { struct sockaddr_in sa; socklen_t len = sizeof(sa); memset(&sa, 0, len); sa.sin_family = AF_INET; sa.sin_addr = *src_addr; if (bind(s, (struct sockaddr*)&sa, len) < 0) errno_crash_and_burn("cannot bind source address"); if (ident) { memset(&sa, 0, len); if (getsockname(s, (struct sockaddr *)&sa, &len) < 0) errno_crash_and_burn("can't get ICMP socket identity"); if (sa.sin_port) *ident = sa.sin_port; } } unsigned short calcsum(unsigned short* buffer, int length) { unsigned long sum; /* initialize sum to zero and loop until length (in words) is 0 */ for (sum = 0; length > 1; length -= 2) /* sizeof() returns number of bytes, we're interested in number of words */ sum += *buffer++; /* add 1 word of buffer to sum and proceed to the next */ /* we may have an extra byte */ if (length == 1) sum += (char)*buffer; sum = (sum >> 16) + (sum & 0xFFFF); /* add high 16 to low 16 */ sum += (sum >> 16); /* add carry */ return ~sum; } int socket_sendto_ping_ipv4(int s, struct sockaddr* saddr, socklen_t saddr_len, uint16_t icmp_seq_nr, uint16_t icmp_id_nr) { struct icmp* icp; int n; icp = (struct icmp*)ping_buffer_ipv4; icp->icmp_type = ICMP_ECHO; icp->icmp_code = 0; icp->icmp_cksum = 0; icp->icmp_seq = htons(icmp_seq_nr); icp->icmp_id = icmp_id_nr; if (random_data_flag) { for (n = ((char*)&icp->icmp_data - (char*)icp); n < ping_pkt_size_ipv4; ++n) { ping_buffer_ipv4[n] = random() & 0xFF; } } icp->icmp_cksum = calcsum((unsigned short*)icp, ping_pkt_size_ipv4); n = sendto(s, icp, ping_pkt_size_ipv4, 0, saddr, saddr_len); return n; } fping-5.1/src/options.h0000644000175100001710000000310214177770216012043 00000000000000 /* * Interval is the minimum amount of time between sending a ping packet to * any host. * * Perhost_interval is the minimum amount of time between sending a ping * packet to a particular responding host (when count is > 1) * * Timeout is the initial amount of time between sending a ping packet to * a particular non-responding host. * * Retry is the number of ping packets to send to a non-responding host * before giving up (in is-it-alive mode). * * Backoff factor is how much longer to wait on successive retries. * * */ /* constants */ #ifndef DEFAULT_INTERVAL #define DEFAULT_INTERVAL 10 /* default time between packets (msec) */ #endif #ifndef DEFAULT_PERHOST_INTERVAL /* default time between packets */ #define DEFAULT_PERHOST_INTERVAL 1000 /* to a particular destination */ #endif /* in counting/looping mode */ #ifndef DEFAULT_TIMEOUT #define DEFAULT_TIMEOUT 500 /* individual host timeouts */ #define AUTOTUNE_TIMEOUT_MAX 2000 #endif #ifndef DEFAULT_RETRY #define DEFAULT_RETRY 3 /* number of times to retry a host */ #endif #ifndef DEFAULT_SELECT_TIME #define DEFAULT_SELECT_TIME 10 /* default time to wait during select() */ #endif #ifndef DEFAULT_BACKOFF_FACTOR #define DEFAULT_BACKOFF_FACTOR 1.5 /* exponential timeout factor */ #endif #define MIN_BACKOFF_FACTOR 1.0 /* exponential timeout factor */ #define MAX_BACKOFF_FACTOR 5.0 /* exponential timeout factor */ #ifndef DNS_TIMEOUT #define DNS_TIMEOUT 1000 /* time in micro_sec for dns retry */ #endif fping-5.1/src/fping.h0000644000175100001710000000242614177770216011463 00000000000000#ifndef _FPING_H #define _FPING_H #define __APPLE_USE_RFC_3542 1 #include #include #include /* this requires variadic macros, part of C99 */ #if (defined(DEBUG) || defined(_DEBUG)) extern int64_t current_time_ns; extern int trace_flag; #define dbg_printf(fmt, ...) do { if (trace_flag) { fprintf(stderr, "[%10.5f] ", (double)(current_time_ns / 1000)/1000000); fprintf(stderr, fmt, __VA_ARGS__); } } while (0) #else #define dbg_printf(fmt, ...) #endif /* fping.c */ void crash_and_burn( char *message ); void errno_crash_and_burn( char *message ); int in_cksum( unsigned short *p, int n ); extern int random_data_flag; /* socket.c */ int open_ping_socket_ipv4(int *socktype); void init_ping_buffer_ipv4(size_t ping_data_size); void socket_set_src_addr_ipv4(int s, struct in_addr *src_addr, int *ident); int socket_sendto_ping_ipv4(int s, struct sockaddr *saddr, socklen_t saddr_len, uint16_t icmp_seq, uint16_t icmp_id); #ifdef IPV6 int open_ping_socket_ipv6(int *socktype); void init_ping_buffer_ipv6(size_t ping_data_size); void socket_set_src_addr_ipv6(int s, struct in6_addr *src_addr, int *ident); int socket_sendto_ping_ipv6(int s, struct sockaddr *saddr, socklen_t saddr_len, uint16_t icmp_seq, uint16_t icmp_id); #endif #endif fping-5.1/src/seqmap.c0000644000175100001710000001024114177770216011633 00000000000000/* * fping: fast-ping, file-ping, favorite-ping, funky-ping * * Ping a list of target hosts in a round robin fashion. * A better ping overall. * * fping website: http://www.fping.org * * Current maintainer of fping: David Schweikert * Please send suggestions and patches to: david@schweikert.ch * * * Original author: Roland Schemers * IPv6 Support: Jeroen Massar * Improved main loop: David Schweikert * Debian Merge, TOS settings: Tobi Oetiker * Bugfixes, byte order & senseful seq.-numbers: Stephan Fuhrmann (stephan.fuhrmann AT 1und1.de) * * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by Stanford University. The name of the University 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 WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * seqmap.c: implementation of a mapping between sequence number and (host, ping_nr) * we can't just use ping_nr*host_count + host_nr, because it can * overflow the 16 bit of the icmp header field. See also: * https://github.com/schweikert/fping/issues/48 */ #include "config.h" #include "seqmap.h" #include "limits.h" #include "options.h" #include "fping.h" #include #include /* description of the data structure used: * * - we assume that no more than SEQMAP_MAXSEQ (65535) pings are sent in * the timeout interval (SEQMAP_TIMEOUT_IN_NS) * - we store the values in an array with SEQMAP_MAXSEQ elements * - current sequence number % SEQMAP_MAXSEQ gives the current index * - when entering a value, we check that the current entry is expired */ static SEQMAP_VALUE* seqmap_map = NULL; static unsigned int seqmap_next_id = 0; #define SEQMAP_TIMEOUT_IN_NS 10000000000 #define SEQMAP_UNASSIGNED_HOST_NR UINT_MAX void seqmap_init() { seqmap_map = calloc(SEQMAP_MAXSEQ, sizeof(SEQMAP_VALUE)); if (seqmap_map == NULL) { perror("malloc error (can't allocate seqmap_map)"); } } unsigned int seqmap_add(unsigned int host_nr, unsigned int ping_count, int64_t timestamp) { unsigned int current_id; SEQMAP_VALUE* next_value; if (!seqmap_map) { fprintf(stderr, "fping internal error: seqmap not initialized.\n"); exit(4); } /* check if expired (note that unused seqmap values will have fields set to * 0, so will be seen as expired */ next_value = &seqmap_map[seqmap_next_id]; if (timestamp - next_value->ping_ts < SEQMAP_TIMEOUT_IN_NS) { fprintf(stderr, "fping error: not enough sequence numbers available! (expire_timeout=%ld, host_nr=%d, ping_count=%d, seqmap_next_id=%d)\n", SEQMAP_TIMEOUT_IN_NS, host_nr, ping_count, seqmap_next_id); exit(4); } /* store the value */ next_value->host_nr = host_nr; next_value->ping_count = ping_count; next_value->ping_ts = timestamp; /* increase next id */ current_id = seqmap_next_id; seqmap_next_id = (seqmap_next_id + 1) % SEQMAP_MAXSEQ; dbg_printf("seqmap_add(host: %d, index: %d) -> %d\n", host_nr, ping_count, current_id); return current_id; } SEQMAP_VALUE* seqmap_fetch(unsigned int id, int64_t now) { SEQMAP_VALUE* value; if (id > SEQMAP_MAXSEQ) { return NULL; } value = &seqmap_map[id]; /* verify that value is not expired */ if (now - value->ping_ts >= SEQMAP_TIMEOUT_IN_NS) { dbg_printf("seqmap_fetch(%d) -> host: %d, index: %d -> DISCARDED %ld\n", id, value->host_nr, value->ping_count, now - value->ping_ts); return NULL; } dbg_printf("seqmap_fetch(%d) -> host: %d, index: %d\n", id, value->host_nr, value->ping_count); return value; } fping-5.1/src/seqmap.h0000644000175100001710000000064014177770216011642 00000000000000#ifndef SEQMAP_H #define SEQMAP_H #include #include typedef struct seqmap_value { unsigned int host_nr; unsigned int ping_count; int64_t ping_ts; } SEQMAP_VALUE; #define SEQMAP_MAXSEQ 65535 void seqmap_init(); unsigned int seqmap_add(unsigned int host_nr, unsigned int ping_count, int64_t now); SEQMAP_VALUE *seqmap_fetch(unsigned int id, int64_t now); #endif fping-5.1/src/Makefile.am0000644000175100001710000000041614177770216012240 00000000000000AM_CFLAGS = -Wall -Wextra -Wno-sign-compare sbin_PROGRAMS = fping fping_SOURCES = fping.c seqmap.c socket4.c fping.h options.h seqmap.h optparse.c optparse.h fping_DEPENDENCIES = ../config.h if IPV6 fping_SOURCES += socket6.c fping_CFLAGS = $(AM_CFLAGS) -DIPV6 endif fping-5.1/config.guess0000755000175100001710000014030414177770274011742 00000000000000#! /bin/sh # Attempt to guess a canonical system name. # Copyright 1992-2021 Free Software Foundation, Inc. # shellcheck disable=SC2006,SC2268 # see below for rationale timestamp='2021-06-03' # 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"). # # 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. 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: $0 [OPTION] Output the configuration name of the system \`$me' is run on. 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.guess ($timestamp) Originally written by Per Bothner. Copyright 1992-2021 Free Software Foundation, Inc. This is free software; see the source for copying conditions. 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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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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 ;; *: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. 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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: fping-5.1/COPYING0000644000175100001710000000205314177770216010447 00000000000000 * Original author: Roland Schemers * IPv6 Support: Jeroen Massar * Improved main loop: David Schweikert * Debian Merge, TOS settings: Tobi Oetiker * Bugfixes, byte order & senseful seq.-numbers: Stephan Fuhrmann (stephan.fuhrmann AT 1und1.de) * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by Stanford University. The name of the University 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 WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. fping-5.1/configure0000755000175100001710000064127714177770273011347 00000000000000#! /bin/sh # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.71 for fping 5.1. # # # Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation, # Inc. # # # This configure script is free software; the Free Software Foundation # gives unlimited permission to copy, distribute and modify it. ## -------------------- ## ## M4sh Initialization. ## ## -------------------- ## # Be more Bourne compatible DUALCASE=1; export DUALCASE # for MKS sh as_nop=: if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1 then : emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. 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Do not test the value of __STDC__, because some compilers set it to 0 while being otherwise adequately conformant. */ #if !defined __STDC__ # error "Compiler does not advertise C89 conformance" #endif #include #include struct stat; /* Most of the following tests are stolen from RCS 5.7 src/conf.sh. */ struct buf { int x; }; struct buf * (*rcsopen) (struct buf *, struct stat *, int); static char *e (p, i) char **p; int i; { return p[i]; } static char *f (char * (*g) (char **, int), char **p, ...) { char *s; va_list v; va_start (v,p); s = g (p, va_arg (v,int)); va_end (v); return s; } /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has function prototypes and stuff, but not \xHH hex character constants. These do not provoke an error unfortunately, instead are silently treated as an "x". The following induces an error, until -std is added to get proper ANSI mode. Curiously \x00 != x always comes out true, for an array size at least. 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These examples are taken from C99 6.10.3.5. // dprintf is used instead of fprintf to avoid needing to declare // FILE and stderr. #define debug(...) dprintf (2, __VA_ARGS__) #define showlist(...) puts (#__VA_ARGS__) #define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) static void test_varargs_macros (void) { int x = 1234; int y = 5678; debug ("Flag"); debug ("X = %d\n", x); showlist (The first, second, and third items.); report (x>y, "x is %d but y is %d", x, y); } // Check long long types. #define BIG64 18446744073709551615ull #define BIG32 4294967295ul #define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) #if !BIG_OK #error "your preprocessor is broken" #endif #if BIG_OK #else #error "your preprocessor is broken" #endif static long long int bignum = -9223372036854775807LL; static unsigned long long int ubignum = BIG64; struct incomplete_array { int datasize; double data[]; }; struct named_init { int number; const wchar_t *name; double average; }; typedef const char *ccp; static inline int test_restrict (ccp restrict text) { // See if C++-style comments work. // Iterate through items via the restricted pointer. // Also check for declarations in for loops. for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i) continue; return 0; } // Check varargs and va_copy. static bool test_varargs (const char *format, ...) { va_list args; va_start (args, format); va_list args_copy; va_copy (args_copy, args); const char *str = ""; int number = 0; float fnumber = 0; while (*format) { switch (*format++) { case '\''s'\'': // string str = va_arg (args_copy, const char *); break; case '\''d'\'': // int number = va_arg (args_copy, int); break; case '\''f'\'': // float fnumber = va_arg (args_copy, double); break; default: break; } } va_end (args_copy); va_end (args); return *str && number && fnumber; } ' # Test code for whether the C compiler supports C99 (body of main). ac_c_conftest_c99_main=' // Check bool. _Bool success = false; success |= (argc != 0); // Check restrict. if (test_restrict ("String literal") == 0) success = true; char *restrict newvar = "Another string"; // Check varargs. success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234); test_varargs_macros (); // Check flexible array members. struct incomplete_array *ia = malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); ia->datasize = 10; for (int i = 0; i < ia->datasize; ++i) ia->data[i] = i * 1.234; // Check named initializers. struct named_init ni = { .number = 34, .name = L"Test wide string", .average = 543.34343, }; ni.number = 58; int dynamic_array[ni.number]; dynamic_array[0] = argv[0][0]; dynamic_array[ni.number - 1] = 543; // work around unused variable warnings ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\'' || dynamic_array[ni.number - 1] != 543); ' # Test code for whether the C compiler supports C11 (global declarations) ac_c_conftest_c11_globals=' // Does the compiler advertise C11 conformance? #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L # error "Compiler does not advertise C11 conformance" #endif // Check _Alignas. char _Alignas (double) aligned_as_double; char _Alignas (0) no_special_alignment; extern char aligned_as_int; char _Alignas (0) _Alignas (int) aligned_as_int; // Check _Alignof. enum { int_alignment = _Alignof (int), int_array_alignment = _Alignof (int[100]), char_alignment = _Alignof (char) }; _Static_assert (0 < -_Alignof (int), "_Alignof is signed"); // Check _Noreturn. int _Noreturn does_not_return (void) { for (;;) continue; } // Check _Static_assert. struct test_static_assert { int x; _Static_assert (sizeof (int) <= sizeof (long int), "_Static_assert does not work in struct"); long int y; }; // Check UTF-8 literals. #define u8 syntax error! char const utf8_literal[] = u8"happens to be ASCII" "another string"; // Check duplicate typedefs. typedef long *long_ptr; typedef long int *long_ptr; typedef long_ptr long_ptr; // Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1. struct anonymous { union { struct { int i; int j; }; struct { int k; long int l; } w; }; int m; } v1; ' # Test code for whether the C compiler supports C11 (body of main). ac_c_conftest_c11_main=' _Static_assert ((offsetof (struct anonymous, i) == offsetof (struct anonymous, w.k)), "Anonymous union alignment botch"); v1.i = 2; v1.w.k = 5; ok |= v1.i != 5; ' # Test code for whether the C compiler supports C11 (complete). ac_c_conftest_c11_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} ${ac_c_conftest_c11_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} ${ac_c_conftest_c11_main} return ok; } " # Test code for whether the C compiler supports C99 (complete). ac_c_conftest_c99_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} return ok; } " # Test code for whether the C compiler supports C89 (complete). ac_c_conftest_c89_program="${ac_c_conftest_c89_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} return ok; } " as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H" as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H" as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H" as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H" as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H" as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H" as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H" as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H" as_fn_append ac_header_c_list " wchar.h wchar_h HAVE_WCHAR_H" as_fn_append ac_header_c_list " minix/config.h minix_config_h HAVE_MINIX_CONFIG_H" # Auxiliary files required by this configure script. ac_aux_files="missing install-sh config.guess config.sub compile" # Locations in which to look for auxiliary files. ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${srcdir}/../.." # Search for a directory containing all of the required auxiliary files, # $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates. # If we don't find one directory that contains all the files we need, # we report the set of missing files from the *first* directory in # $ac_aux_dir_candidates and give up. ac_missing_aux_files="" ac_first_candidate=: printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR as_found=false for as_dir in $ac_aux_dir_candidates do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac as_found=: printf "%s\n" "$as_me:${as_lineno-$LINENO}: trying $as_dir" >&5 ac_aux_dir_found=yes ac_install_sh= for ac_aux in $ac_aux_files do # As a special case, if "install-sh" is required, that requirement # can be satisfied by any of "install-sh", "install.sh", or "shtool", # and $ac_install_sh is set appropriately for whichever one is found. if test x"$ac_aux" = x"install-sh" then if test -f "${as_dir}install-sh"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install-sh found" >&5 ac_install_sh="${as_dir}install-sh -c" elif test -f "${as_dir}install.sh"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install.sh found" >&5 ac_install_sh="${as_dir}install.sh -c" elif test -f "${as_dir}shtool"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}shtool found" >&5 ac_install_sh="${as_dir}shtool install -c" else ac_aux_dir_found=no if $ac_first_candidate; then ac_missing_aux_files="${ac_missing_aux_files} install-sh" else break fi fi else if test -f "${as_dir}${ac_aux}"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}${ac_aux} found" >&5 else ac_aux_dir_found=no if $ac_first_candidate; then ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}" else break fi fi fi done if test "$ac_aux_dir_found" = yes; then ac_aux_dir="$as_dir" break fi ac_first_candidate=false as_found=false done IFS=$as_save_IFS if $as_found then : else $as_nop as_fn_error $? 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When coming back to configure, we # need to make the FD available again. if test "$no_create" != yes; then ac_cs_success=: ac_config_status_args= test "$silent" = yes && ac_config_status_args="$ac_config_status_args --quiet" exec 5>/dev/null $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false exec 5>>config.log # Use ||, not &&, to avoid exiting from the if with $? = 1, which # would make configure fail if this is the last instruction. $ac_cs_success || as_fn_exit 1 fi if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} fi fping-5.1/ci/0000755000175100001710000000000014177770277010076 500000000000000fping-5.1/ci/test-13-unknown-host.pl0000755000175100001710000000037114177770216014220 00000000000000#!/usr/bin/perl -w use Test::Command tests => 3; # fping { my $cmd = Test::Command->new(cmd => "fping nosuchname.example.com"); $cmd->exit_is_num(2); $cmd->stdout_is_eq(""); $cmd->stderr_like(qr{^nosuchname\.example\.com: .*not (known|found)}); } fping-5.1/ci/run-tests.sh0000755000175100001710000000012014177770216012303 00000000000000#!/bin/sh set -ex PATH=`pwd`/src:$PATH prove ci/test-*.pl ci/test-tarball.sh fping-5.1/ci/test-10-option-u-x.pl0000755000175100001710000000155714177770216013571 00000000000000#!/usr/bin/perl -w use Test::Command tests => 12; # -u show targets that are unreachable # -v show version # fping -u { my $cmd = Test::Command->new(cmd => "fping -r0 -u 8.8.0.0 127.0.0.1"); $cmd->exit_is_num(1); $cmd->stdout_is_eq("8.8.0.0\n"); $cmd->stderr_is_eq(""); } # fping -v { my $cmd = Test::Command->new(cmd => "fping -v"); $cmd->exit_is_num(0); $cmd->stdout_like(qr{ping: Version [45]\.\d+(-rc\d+)?}); $cmd->stderr_is_eq(""); } # fping -x { my $cmd = Test::Command->new(cmd => "fping -x 1 8.8.0.0 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("Enough hosts reachable (required: 1, reachable: 1)\n"); $cmd->stderr_is_eq(""); } # fping -x { my $cmd = Test::Command->new(cmd => "fping -x 2 8.8.0.0 127.0.0.1"); $cmd->exit_is_num(1); $cmd->stdout_is_eq("Not enough hosts reachable (required: 2, reachable: 1)\n"); $cmd->stderr_is_eq(""); } fping-5.1/ci/test-06-options-f-h.pl0000755000175100001710000000433414177770216013716 00000000000000#!/usr/bin/perl -w use Test::Command tests => 24; use File::Temp; # -f file read list of targets from a file ( - means stdin) (only if no -g specified) # -g generate target list (only if no -f specified) # (specify the start and end IP in the target list, or supply a IP netmask) # (ex. ../src/fping -g 192.168.1.0 192.168.1.255 or ../src/fping -g 192.168.1.0/24) # -H n Set the IP TTL value (Time To Live hops) my $tmpfile = File::Temp->new(); print $tmpfile "127.0.0.1\n127.0.0.2\n"; close($tmpfile); # fping without option (-> equivalent to 'fping -f -') { my $cmd = Test::Command->new(cmd => "cat ".$tmpfile->filename." | fping"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n127.0.0.2 is alive\n"); $cmd->stderr_is_eq(""); } # fping -f - { my $cmd = Test::Command->new(cmd => "cat ".$tmpfile->filename." | fping -f -"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n127.0.0.2 is alive\n"); $cmd->stderr_is_eq(""); } # fping -f file { my $cmd = Test::Command->new(cmd => "fping -f ".$tmpfile->filename); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n127.0.0.2 is alive\n"); $cmd->stderr_is_eq(""); } # fping -g (range) { my $cmd = Test::Command->new(cmd => "fping -g 127.0.0.1 127.0.0.5"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n127.0.0.2 is alive\n127.0.0.3 is alive\n127.0.0.4 is alive\n127.0.0.5 is alive\n"); $cmd->stderr_is_eq(""); } # fping -g (cidr) { my $cmd = Test::Command->new(cmd => "fping -g 127.0.0.1/30"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n127.0.0.2 is alive\n"); $cmd->stderr_is_eq(""); } # fping -g (cidr - long prefixes) { my $cmd = Test::Command->new(cmd => "fping -g 127.0.0.2/31"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.2 is alive\n127.0.0.3 is alive\n"); $cmd->stderr_is_eq(""); } # fping -g (cidr - too long prefixes) { my $cmd = Test::Command->new(cmd => "fping -g 127.0.0.2/33"); $cmd->exit_is_num(1); $cmd->stdout_is_eq(""); $cmd->stderr_is_eq("fping: netmask must be between 1 and 32 (is: 33)\n"); } # fping -H { my $cmd = Test::Command->new(cmd => "fping -H 1 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n"); $cmd->stderr_is_eq(""); } fping-5.1/ci/build-1-autotools.sh0000755000175100001710000000226314177770216013635 00000000000000#!/bin/bash set -e set -x if [[ "$OSTYPE" == "darwin"* ]]; then exit 0 fi AUTOCONF=http://ftp.gnu.org/gnu/autoconf/autoconf-2.71.tar.gz AUTOMAKE=http://ftp.gnu.org/gnu/automake/automake-1.16.5.tar.gz LIBTOOL=http://ftp.gnu.org/gnu/libtool/libtool-2.4.6.tar.gz PREFIX=$(pwd)/ci/build PATH=$(pwd)/ci/build/bin:$PATH if [ ! -d ci ]; then echo "you must run this in the root fping directory" >&2 exit 1 fi # remove standard versions sudo apt-get remove -qq autoconf automake autotools-dev libtool # prepare build environment cd ci rm -rf build mkdir -p build/src cd build/src # autoconf ( AUTOCONF_FILE=$(basename $AUTOCONF) AUTOCONF_DIR=$(echo $AUTOCONF_FILE | sed -e 's/\.tar.*//') wget $AUTOCONF tar xf $AUTOCONF_FILE cd $AUTOCONF_DIR ./configure --prefix=$PREFIX make install ) # automake ( AUTOMAKE_FILE=$(basename $AUTOMAKE) AUTOMAKE_DIR=$(echo $AUTOMAKE_FILE | sed -e 's/\.tar.*//') wget $AUTOMAKE tar xf $AUTOMAKE_FILE cd $AUTOMAKE_DIR ./configure --prefix=$PREFIX make install ) # libtool ( LIBTOOL_FILE=$(basename $LIBTOOL) LIBTOOL_DIR=$(echo $LIBTOOL_FILE | sed -e 's/\.tar.*//') wget $LIBTOOL tar xf $LIBTOOL_FILE cd $LIBTOOL_DIR ./configure --prefix=$PREFIX make install ) fping-5.1/ci/test-15-netdata.pl0000755000175100001710000000206514177770216013172 00000000000000#!/usr/bin/perl -w use Test::Command; use Test::More; plan tests => 3; # fping { my $cmd = Test::Command->new(cmd => "fping -c 2 -Q 1 -N 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_like(qr{CHART fping\.127_0_0_1_packets '' 'FPing Packets for host 127\.0\.0\.1' packets '127.0.0.1' fping\.packets line 110020 1 DIMENSION xmt sent absolute 1 1 DIMENSION rcv received absolute 1 1 BEGIN fping\.127_0_0_1_packets SET xmt = 1 SET rcv = 1 END CHART fping\.127_0_0_1_quality '' 'FPing Quality for host 127\.0\.0\.1' percentage '127.0.0.1' fping\.quality area 110010 1 DIMENSION returned '' absolute 1 1 BEGIN fping\.127_0_0_1_quality SET returned = 100 END CHART fping\.127_0_0_1_latency '' 'FPing Latency for host 127\.0\.0\.1' ms '127.0.0.1' fping\.latency area 110000 1 DIMENSION min minimum absolute 1 1000000 DIMENSION max maximum absolute 1 1000000 DIMENSION avg average absolute 1 1000000 BEGIN fping\.127_0_0_1_latency SET min = \d+ SET avg = \d+ SET max = \d+ END} ); $cmd->stderr_like(qr{127.0.0.1 : xmt/rcv/%loss = 2/2/0%, min/avg/max = \d\.\d+/\d\.\d+/\d\.\d+}); } fping-5.1/ci/test-02-help.pl0000755000175100001710000000141414177770216012473 00000000000000#!/usr/bin/perl -w use Test::Command tests => 9; my $I_HELP = " -I, --iface=IFACE bind to a particular interface\n"; $I_HELP = '' if $^O eq 'darwin'; # fping -h my $cmd1 = Test::Command->new(cmd => "fping -h"); $cmd1->exit_is_num(0); $cmd1->stdout_like(qr{Usage: fping \[options\] \[targets\.\.\.\] Probing options: .* -v, --version show version }s); $cmd1->stderr_is_eq(""); # fping -v my $cmd2 = Test::Command->new(cmd => "fping -v"); $cmd2->exit_is_num(0); $cmd2->stdout_like(qr{fping: Version \S+}); $cmd2->stderr_is_eq(""); # fping with unknown option my $cmd3 = Test::Command->new(cmd => "fping -Z"); $cmd3->exit_is_num(1); $cmd3->stdout_is_eq(""); $cmd3->stderr_like(qr{^fping: (illegal|invalid) option -- '?Z'?\nsee 'fping -h' for usage information\n$}); fping-5.1/ci/build-4-compile.sh0000755000175100001710000000116314177770216013235 00000000000000#!/bin/bash set -x PATH=$(pwd)/ci/build/bin:$PATH if [ ! -d ci ]; then echo "you must run this in the root fping directory" >&2 exit 1 fi autoreconf -i ./configure --enable-ipv4 --enable-ipv6 --enable-safe-limits --prefix=/opt/fping make CFLAGS="-g -O0 -fprofile-arcs -ftest-coverage" ## setcap currently doesn't work anymore on travis-ci #sudo setcap cap_net_raw+ep src/fping ## setcap debugging: #pwd #df -k . #which setcap #uname -a #mount # #sudo apt-get install strace #sudo strace setcap cap_net_raw+ep src/fping # use setuid, since setcap is not available sudo chown root src/fping sudo chmod u+s src/fping fping-5.1/ci/test-14-ping-internet-hosts.pl0000755000175100001710000000555414177770216015500 00000000000000#!/usr/bin/perl -w use Test::Command; use Test::More; # evaluate if we have internet if(!gethostbyname("www.google.com")) { plan skip_all => 'Can\'t resolve www.google.com -> no internet?'; exit 0; } plan tests => 30; my $re_num = qr{\d+(?:\.\d+)?}; # fping { my $cmd = Test::Command->new(cmd => "fping -q -i 10 -p 20 -c 3 -t200 8.8.8.8 www.france-telecom.fr www.google.com"); $cmd->exit_is_num(0); $cmd->stdout_is_eq(""); $cmd->stderr_like(qr{8\.8\.8\.8\s*: xmt/rcv/%loss = [123]/[123]/\d+%, min/avg/max = $re_num/$re_num/$re_num www\.france-telecom\.fr\s*: xmt/rcv/%loss = [123]/[123]/\d+%, min/avg/max = $re_num/$re_num/$re_num www\.google\.com\s*: xmt/rcv/%loss = [123]/[123]/\d+%, min/avg/max = $re_num/$re_num/$re_num }); } # fping -A -n { my $cmd = Test::Command->new(cmd => "fping -A -n 8.8.8.8"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("dns.google (8.8.8.8) is alive\n"); $cmd->stderr_is_eq(""); } # fping -4 -A -n { my $cmd = Test::Command->new(cmd => "fping -4 -A -n dns.google"); $cmd->exit_is_num(0); $cmd->stdout_like(qr{^dns.google \(8\.8\.(4\.4|8\.8)\) is alive\n$}); $cmd->stderr_is_eq(""); } # fping -4 --addr --rdns { my $cmd = Test::Command->new(cmd => "fping -4 --addr --rdns www.apple.com"); $cmd->exit_is_num(0); $cmd->stdout_like(qr{^\S+\.akamaitechnologies\.com \(\d+\.\d+\.\d+\.\d+\) is alive\n$}); $cmd->stderr_is_eq(""); } # fping -4 --addr --name { my $cmd = Test::Command->new(cmd => "fping -4 --addr --name www.google.com"); $cmd->exit_is_num(0); $cmd->stdout_like(qr{^www\.google\.com \(\d+\.\d+\.\d+\.\d+\) is alive\n$}); $cmd->stderr_is_eq(""); } # fping -A -n (IPv6) SKIP: { if($ENV{SKIP_IPV6}) { skip 'Skip IPv6 tests', 3; } my $cmd = Test::Command->new(cmd => "fping -6 -n -A dns.google"); $cmd->exit_is_num(0); $cmd->stdout_like(qr{^dns.google \(2001:4860:4860::88(44|88)\) is alive\n$}); $cmd->stderr_is_eq(""); } # fping -m SKIP: { if($ENV{SKIP_IPV6}) { skip 'Skip IPv6 tests', 3; } my $cmd = Test::Command->new(cmd => "fping -A -m dns.google"); $cmd->exit_is_num(0); $cmd->stdout_like(qr{^.* is alive\n.* is alive\n.* is alive\n.* is alive\n}); $cmd->stderr_is_eq(""); } # fping -m -A { my $cmd = Test::Command->new(cmd => "fping -4 -A -m www.cloudflare.com"); $cmd->exit_is_num(0); $cmd->stdout_like(qr{\d+\.\d+\.\d+\.\d+ is alive\n\d+\.\d+\.\d+\.\d+ is alive\n}); $cmd->stderr_is_eq(""); } # fping -n { my $cmd = Test::Command->new(cmd => "fping -n 8.8.8.8"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("dns.google is alive\n"); $cmd->stderr_is_eq(""); } # fping -M SKIP: { if($^O eq 'darwin') { skip '-M option not supported on macOS', 3; } my $cmd = Test::Command->new(cmd => "fping -r 0 -b 10000 -M 8.8.8.8"); $cmd->exit_is_num(1); $cmd->stdout_is_eq("8.8.8.8 is unreachable\n"); $cmd->stderr_is_eq("8.8.8.8: error while sending ping: Message too long\n"); } fping-5.1/ci/deploy-coveralls.sh0000755000175100001710000000075414177770216013640 00000000000000#!/bin/sh set -xe if [ "$TRAVIS_DIST" = "trusty" ]; then echo "skip coveralls on trusty because coveralls errors out due to python issues" exit 0 elif [ "$TRAVIS_OS_NAME" = "osx" ]; then pip3 install --user cpp-coveralls PATH="${PATH}:$(python3 -c 'import site; print(site.USER_BASE)')/bin" else pip install --user cpp-coveralls fi export COVERALLS_PARALLEL=true coveralls --build-root src --exclude src/optparse.c --exclude ci --exclude config.h --gcov-options '\-lp' fping-5.1/ci/test-07-options-i-m.pl0000755000175100001710000000322714177770216013727 00000000000000#!/usr/bin/perl -w use Test::Command tests => 9; use Test::More; # -i n interval between sending ping packets (in millisec) (default 25) # -l loop sending pings forever # -m ping multiple interfaces on target host # -M don't fragment # fping -i n { my $cmd = Test::Command->new(cmd => "fping -i 100 127.0.0.1 127.0.0.2"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n127.0.0.2 is alive\n"); $cmd->stderr_is_eq(""); } # fping -l { my $cmd = Test::Command->new(cmd => '(sleep 2; pkill fping)& fping -p 900 -l 127.0.0.1'); $cmd->stdout_like(qr{127\.0\.0\.1 : \[0\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) 127\.0\.0\.1 : \[1\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) }); } # fping -l with SIGQUIT { my $cmd = Test::Command->new(cmd => '(sleep 2; pkill -QUIT fping; sleep 2; pkill fping)& fping -p 900 -l 127.0.0.1'); $cmd->stdout_like(qr{127\.0\.0\.1 : \[0\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) 127\.0\.0\.1 : \[1\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) 127\.0\.0\.1 : \[2\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) 127\.0\.0\.1 : \[3\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) 127\.0\.0\.1 : \[4\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) }); $cmd->stderr_like(qr{\[\d+:\d+:\d+\] 127\.0\.0\.1 : xmt/rcv/%loss = \d+/\d+/\d+%, min/avg/max = \d+\.\d+/\d+\.\d+/\d+\.\d+ }); } # fping -M SKIP: { if($^O eq 'darwin') { skip '-M option not supported on macOS', 3; } my $cmd = Test::Command->new(cmd => "fping -M 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n"); $cmd->stderr_is_eq(""); } # fping -m -> test-14-internet-hosts fping-5.1/ci/test-04-options-a-b.pl0000755000175100001710000000474714177770216013711 00000000000000#!/usr/bin/perl -w use Test::Command tests => 32; use Test::More; use Time::HiRes qw(gettimeofday tv_interval); # -4 only use IPv4 addresses # -6 only use IPv6 addresses # -a show targets that are alive # -A show targets by address # -b n amount of ping data to send, in bytes (default 56) # -B f set exponential backoff factor to f # fping -4 -6 { my $cmd = Test::Command->new(cmd => "fping -4 -6 127.0.0.1"); $cmd->exit_is_num(1); $cmd->stdout_is_eq(""); $cmd->stderr_is_eq("fping: can't specify both -4 and -6\n"); } # fping -6 -4 { my $cmd = Test::Command->new(cmd => "fping -6 -4 127.0.0.1"); $cmd->exit_is_num(1); $cmd->stdout_is_eq(""); $cmd->stderr_is_eq("fping: can't specify both -4 and -6\n"); } # fping -4 { my $cmd = Test::Command->new(cmd => "fping -4 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n"); $cmd->stderr_is_eq(""); } { my $cmd = Test::Command->new(cmd => "fping -4 ::1"); $cmd->exit_is_num(2); $cmd->stdout_is_eq(""); $cmd->stderr_like(qr{^::1:.*(not supported|not known)}); } # fping -6 SKIP: { if($ENV{SKIP_IPV6}) { skip 'Skip IPv6 tests', 3; } my $cmd = Test::Command->new(cmd => "fping -6 ::1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("::1 is alive\n"); $cmd->stderr_is_eq(""); } { my $cmd = Test::Command->new(cmd => "fping -6 127.0.0.1"); $cmd->exit_is_num(2); $cmd->stdout_is_eq(""); $cmd->stderr_like(qr{127\.0\.0\.1:.*(not supported|not known)}); } # fping -a { my $cmd = Test::Command->new(cmd => "fping -a 127.0.0.1 127.0.0.2"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1\n127.0.0.2\n"); $cmd->stderr_is_eq(""); } # fping -A { my $cmd = Test::Command->new(cmd => "fping -4 -A localhost"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n"); $cmd->stderr_is_eq(""); } # fping -b { my $cmd = Test::Command->new(cmd => "fping -b 1000 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n"); $cmd->stderr_is_eq(""); } # fping -B SKIP: { if($^O eq 'darwin') { skip 'timing test not reliable on macOS', 5; } my $t0 = [gettimeofday]; my $cmd = Test::Command->new(cmd => "fping -t 100 -r 3 -B 2 8.8.8.7"); $cmd->exit_is_num(1); $cmd->stdout_is_eq("8.8.8.7 is unreachable\n"); $cmd->stderr_like(qr{^(|(8.8.8.7: error while sending ping: No route to host\n)+)$}); my $elapsed = tv_interval($t0); # 0.1 + 0.2 + 0.4 + 0.8 = 1.5 cmp_ok($elapsed, '>=', 1.5); cmp_ok($elapsed, '<', 1.9); } fping-5.1/ci/test-12-option-type.pl0000755000175100001710000000036514177770216014037 00000000000000#!/usr/bin/perl -w use Test::Command tests => 33; for my $arg (qw(b B c C H i O p Q r t)) { my $cmd = Test::Command->new(cmd => "fping -$arg xxx"); $cmd->exit_is_num(1); $cmd->stdout_is_eq(""); $cmd->stderr_like(qr{Usage:}); } fping-5.1/ci/test-09-option-r-t.pl0000755000175100001710000000475714177770216013577 00000000000000#!/usr/bin/perl -w use Test::Command tests => 21; use Test::More; # -R random bytes # -r n number of retries (default 3) # -s print final stats # -S addr set source address # -t n individual target initial timeout (in millisec) (default 500) # -T n ignored (for compatibility with fping 2.4) # fping -R { my $cmd = Test::Command->new(cmd => "fping -q -R -c3 -p100 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq(""); $cmd->stderr_like(qr{127\.0\.0\.1 : xmt/rcv/%loss = 3/3/0%.*}); } SKIP: { if($ENV{SKIP_IPV6}) { skip 'Skip IPv6 tests', 3; } my $cmd = Test::Command->new(cmd => "fping -q -R -c3 -p100 ::1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq(""); $cmd->stderr_like(qr{::1 : xmt/rcv/%loss = 3/3/0%.*}); } # fping -r tested in test-4-options-a-b.pl # fping -s { my $cmd = Test::Command->new(cmd => "fping -s 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n"); $cmd->stderr_like(qr{\s* \s*1 targets \s*1 alive \s*0 unreachable \s*0 unknown addresses \s* \s*0 timeouts \(waiting for response\) \s*1 ICMP Echos sent \s*1 ICMP Echo Replies received \s*0 other ICMP received \s*\d\.\d+ ms \(min round trip time\) \s*\d\.\d+ ms \(avg round trip time\) \s*\d\.\d+ ms \(max round trip time\) \s*\d\.\d+ sec \(elapsed real time\) }); } # fping -s (no host reachable) { my $cmd = Test::Command->new(cmd => "fping -r0 -t100 -s 8.8.0.0"); $cmd->exit_is_num(1); $cmd->stdout_is_eq("8.8.0.0 is unreachable\n"); $cmd->stderr_like(qr{\s* \s*1 targets \s*0 alive \s*1 unreachable \s*0 unknown addresses \s* \s*1 timeouts \(waiting for response\) \s*1 ICMP Echos sent \s*0 ICMP Echo Replies received \s*0 other ICMP received \s*\d\.\d+ ms \(min round trip time\) \s*\d\.\d+ ms \(avg round trip time\) \s*\d\.\d+ ms \(max round trip time\) \s*\d\.\d+ sec \(elapsed real time\) }); } # fping -S { my $cmd = Test::Command->new(cmd => "fping -S 127.0.0.1 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n"); $cmd->stderr_is_eq(""); } # fping -S SKIP: { if($ENV{SKIP_IPV6}) { skip 'Skip IPv6 tests', 3; } my $cmd = Test::Command->new(cmd => "fping -S ::1 ::1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("::1 is alive\n"); $cmd->stderr_is_eq(""); } # fping -S { my $cmd = Test::Command->new(cmd => "fping -S bla"); $cmd->exit_is_num(1); $cmd->stdout_is_eq(""); $cmd->stderr_is_eq("fping: can't parse source address: bla\n"); } # (note: fping -t also tested in test-4-options-a-b.pl) fping-5.1/ci/deploy-bintray.sh0000755000175100001710000000056314177770216013314 00000000000000#!/bin/bash # upload to bintray.com/schweikert set -e VERSION=$(ls fping-*.tar.gz | sed -e 's/^fping-//' | sed -e 's/\.tar\.gz$//') if [[ "$VERSION" =~ ^[0-9]+\.[0-9]+$ ]]; then REPO=release else REPO=beta fi curl -T fping-$VERSION.tar.gz -uschweikert:$BINTRAY_API_KEY https://api.bintray.com/content/schweikert/$REPO/fping/$VERSION/fping-$VERSION.tar.gz echo fping-5.1/ci/test-03-forbidden.pl0000755000175100001710000000335114177770216013502 00000000000000#!/usr/bin/perl -w use Test::Command tests => 24; # fping -i 0 my $cmd1 = Test::Command->new(cmd => "fping -i 0 -T10 -g 127.0.0.1/29"); $cmd1->exit_is_num(1); $cmd1->stdout_is_eq(""); $cmd1->stderr_is_eq(<= 1 and -p >= 10 END # fping -p 9 my $cmd2 = Test::Command->new(cmd => "fping -c3 -p 9 127.0.0.1"); $cmd2->exit_is_num(1); $cmd2->stdout_is_eq(""); $cmd2->stderr_is_eq(<= 1 and -p >= 10 END # fping -H 300 my $cmd5 = Test::Command->new(cmd => "fping -H 300 127.0.0.1"); $cmd5->exit_is_num(1); $cmd5->stdout_is_eq(""); $cmd5->stderr_is_eq("fping: ttl 300 out of range\n"); # fping -a -u my $cmd6 = Test::Command->new(cmd => "fping -a -u 127.0.0.1"); $cmd6->exit_is_num(1); $cmd6->stdout_is_eq(""); $cmd6->stderr_is_eq("fping: specify only one of a, u\n"); # fping -c -l my $cmd7 = Test::Command->new(cmd => "fping -c3 -l 127.0.0.1"); $cmd7->exit_is_num(1); $cmd7->stdout_is_eq(""); $cmd7->stderr_is_eq("fping: specify only one of c, l\n"); # fping -b 65509 my $cmd8 = Test::Command->new(cmd => "fping -b 65509 127.0.0.1"); $cmd8->exit_is_num(1); $cmd8->stdout_is_eq(""); $cmd8->stderr_is_eq("fping: data size 65509 not valid, must be lower than 65488\n"); # fping -B 0.9 my $cmd9 = Test::Command->new(cmd => "fping -B 0.9 127.0.0.1"); $cmd9->exit_is_num(1); $cmd9->stdout_is_eq(""); $cmd9->stderr_is_eq("fping: backoff factor 0.9 not valid, must be between 1.0 and 5.0\n"); # fping -B 0.9 my $cmd10 = Test::Command->new(cmd => "fping -B 5.1 127.0.0.1"); $cmd10->exit_is_num(1); $cmd10->stdout_is_eq(""); $cmd10->stderr_is_eq("fping: backoff factor 5.1 not valid, must be between 1.0 and 5.0\n"); fping-5.1/ci/deploy-coverity.sh0000755000175100001710000000162414177770216013507 00000000000000#!/bin/sh set -e COVERITY_SCAN_PROJECT_NAME=schweikert/fping COVERITY_SCAN_EMAIL=david@schweikert.ch if [ -z "$COVERITY_SCAN_TOKEN" ]; then echo "ERROR: COVERITY_SCAN_TOKEN not defined." >&2 exit 1 fi curl -o /tmp/cov-analysis-linux64.tgz https://scan.coverity.com/download/linux64 \ --form project=$COVERITY_SCAN_PROJECT_NAME --form token=$COVERITY_SCAN_TOKEN tar xfz /tmp/cov-analysis-linux64.tgz ./autogen.sh ./configure --enable-ipv4 --enable-ipv6 --enable-safe-limits --prefix=/opt/fping cov-analysis-linux64-*/bin/cov-build --dir cov-int make -j4 tar cfz cov-int.tar.gz cov-int curl https://scan.coverity.com/builds?project=$COVERITY_SCAN_PROJECT_NAME \ --form token=$COVERITY_SCAN_TOKEN \ --form email=$COVERITY_SCAN_EMAIL \ --form file=@cov-int.tar.gz \ --form version="`git rev-parse --short HEAD`" \ --form description="`git rev-parse --short HEAD` / $TRAVIS_BUILD_ID " fping-5.1/ci/run-lcov.sh0000755000175100001710000000021614177770216012112 00000000000000#!/bin/sh lcov -c -no-external \ -d . \ -b src \ -o lcov-all.info lcov --remove lcov-all.info -o lcov.info \ '*/optparse.c' fping-5.1/ci/build-2-test-command.sh0000755000175100001710000000020014177770216014165 00000000000000#!/bin/sh set -ex curl -L http://cpanmin.us | perl - -L $HOME/perl5 App::cpanminus $HOME/perl5/bin/cpanm --sudo Test::Command fping-5.1/ci/test-11-nopriv-fail.pl0000755000175100001710000000177714177770216014005 00000000000000#!/usr/bin/perl -w use English; use Test::Command; use Test::More; if( $^O eq 'darwin' ) { plan skip_all => 'Test irrelevant on MacOS'; exit 0; } sub get_ping_gid_range { open FD, "/proc/sys/net/ipv4/ping_group_range" or return undef; chomp(my $line = ); my @range = split(/\s+/, $line); close FD; return @range; } my @gids = split(' ', $EGID); my @allowed_gid_range = get_ping_gid_range(); # Linux test for unprivileged ping support foreach(@gids) { if ($_ >= $allowed_gid_range[0] && $_ <= $allowed_gid_range[1]) { plan skip_all => "Userspace pings are allowed, gid $_ in range [$allowed_gid_range[0], $allowed_gid_range[1]]"; exit 0; } } plan tests => 3; # run without privileges my $fping_bin = `which fping`; chomp $fping_bin; system("cp $fping_bin /tmp/fping.copy; chmod +x /tmp/fping.copy"); # fping { my $cmd = Test::Command->new(cmd => "/tmp/fping.copy 127.0.0.1"); $cmd->exit_is_num(4); $cmd->stdout_is_eq(""); $cmd->stderr_like(qr{: can't create socket \(must run as root\?\)}); } fping-5.1/ci/test-tarball.sh0000755000175100001710000000105414177770216012744 00000000000000#!/bin/bash # make sure that the .tar.gz file contains everything necessary # to build fping set -e set -x # skip on macos if [[ "$OSTYPE" == "darwin"* ]]; then exit 0 fi make dist VERSION=$(ls fping-*.tar.gz | sed -e 's/^fping-//' | sed -e 's/\.tar\.gz$//') if [ -z "$VERSION" ]; then echo "tar.gz file not found." >&2 exit 1 fi # unarchive TMPDIR=$(mktemp -d --tmpdir=ci) cd $TMPDIR tar xf ../../fping-$VERSION.tar.gz DIRNAME=$(ls) # build cd $DIRNAME ./configure --enable-ipv4 --enable-ipv6 --prefix=/opt/fping make sudo make install fping-5.1/ci/test-08-options-n-q.pl0000755000175100001710000000375714177770216013751 00000000000000#!/usr/bin/perl -w use Test::Command tests => 18; # -n show targets by name (-d is equivalent) # -O n set the type of service (tos) flag on the ICMP packets # -p n interval between ping packets to one target (in millisec) # (in looping and counting modes, default 1000) # -q quiet (don't show per-target/per-ping results) # -Q n same as -q, but show summary every n seconds # fping -n -> test-14-internet-hosts # fping -d -n { my $cmd = Test::Command->new(cmd => "fping -d -n 127.0.0.1"); $cmd->exit_is_num(1); $cmd->stdout_is_eq(""); $cmd->stderr_is_eq("fping: use either one of -d or -n\n"); } # fping -n -d { my $cmd = Test::Command->new(cmd => "fping -n -d 127.0.0.1"); $cmd->exit_is_num(1); $cmd->stdout_is_eq(""); $cmd->stderr_is_eq("fping: use either one of -d or -n\n"); } # fping -o { my $cmd = Test::Command->new(cmd => "fping -t100 -p 100 -o -c 5 8.8.8.7"); $cmd->exit_is_num(1); $cmd->stdout_is_eq("8.8.8.7 : [0], timed out (NaN avg, 100% loss) 8.8.8.7 : [1], timed out (NaN avg, 100% loss) 8.8.8.7 : [2], timed out (NaN avg, 100% loss) 8.8.8.7 : [3], timed out (NaN avg, 100% loss) 8.8.8.7 : [4], timed out (NaN avg, 100% loss) "); $cmd->stderr_like(qr{^\s*8\.8\.8\.7 : xmt/rcv/%loss = 5/0/100%, outage\(ms\) = 50\d\s*$}); } # fping -O { my $cmd = Test::Command->new(cmd => "fping -O 2 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n"); $cmd->stderr_is_eq(""); } # fping -q { my $cmd = Test::Command->new(cmd => "fping -q -p 100 -c 3 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq(""); $cmd->stderr_like(qr{127\.0\.0\.1 : xmt/rcv/%loss = 3/3/0%, min/avg/max = \d\.\d+/\d\.\d+/\d\.\d+ }); } # fping -Q { my $cmd = Test::Command->new(cmd => "fping -Q 1 -p 400 -c 4 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq(""); $cmd->stderr_like(qr{\[\d+:\d+:\d+\] 127\.0\.0\.1 : xmt/rcv/%loss = 3/3/0%, min/avg/max = \d\.\d+/\d\.\d+/\d\.\d+ 127\.0\.0\.1 : xmt/rcv/%loss = 4/4/0%, min/avg/max = \d\.\d+/\d\.\d+/\d\.\d+ }); } fping-5.1/ci/prepare-linux.sh0000755000175100001710000000020714177770216013140 00000000000000#!/bin/bash sudo setcap cap_net_raw+ep src/fping if [[ ! $PATH =~ fping/src ]]; then PATH=/home/dws/checkouts/fping/src:$PATH fi fping-5.1/ci/build-3-prepare-macos.sh0000755000175100001710000000046014177770216014341 00000000000000#!/bin/bash # only do this on Mac OS X if [ `uname -s` != "Darwin" ]; then exit 0; fi if [[ ! `ifconfig lo0` =~ 127\.0\.0\.2 ]]; then sudo ifconfig lo0 127.0.0.2/8 alias sudo ifconfig lo0 127.0.0.3/8 alias sudo ifconfig lo0 127.0.0.4/8 alias sudo ifconfig lo0 127.0.0.5/8 alias fi fping-5.1/ci/test-05-options-c-e.pl0000755000175100001710000000363414177770216013711 00000000000000#!/usr/bin/perl -w use Test::Command tests => 12; # -c n count of pings to send to each target (default 1) # -C n same as -c, report results in verbose format # -D print timestamp before each output line # -e show elapsed time on return packets # fping -c n { my $cmd = Test::Command->new(cmd => "fping -4 -c 2 -p 100 localhost 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_like(qr{localhost : \[0\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) 127\.0\.0\.1 : \[0\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) localhost : \[1\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) 127\.0\.0\.1 : \[1\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) }); $cmd->stderr_like(qr{localhost : xmt/rcv/%loss = 2/2/0%, min/avg/max = \d\.\d+/\d\.\d+/\d\.\d+ 127\.0\.0\.1 : xmt/rcv/%loss = 2/2/0%, min/avg/max = \d\.\d+/\d\.\d+/\d\.\d+ }); } # fping -C n { my $cmd = Test::Command->new(cmd => "fping -4 -C 2 -p 100 localhost 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_like(qr{localhost : \[0\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) 127\.0\.0\.1 : \[0\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) localhost : \[1\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) 127\.0\.0\.1 : \[1\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) }); $cmd->stderr_like(qr{localhost : \d\.\d+ \d\.\d+ 127\.0\.0\.1 : \d\.\d+ \d\.\d+ }); } # fping -D { my $cmd = Test::Command->new(cmd => "fping -D -c 2 -p 100 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_like(qr{\[\d+\.\d+\] 127\.0\.0\.1 : \[0\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) \[\d+\.\d+\] 127\.0\.0\.1 : \[1\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) }); $cmd->stderr_like(qr{127\.0\.0\.1 : xmt/rcv/%loss = 2/2/0%, min/avg/max = \d\.\d+/\d\.\d+/\d\.\d+ }); } # fping -e { my $cmd = Test::Command->new(cmd => "fping -e 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_like(qr{127\.0\.0\.1 is alive \(\d\.\d+ ms\) }); $cmd->stderr_is_eq(""); } fping-5.1/ci/test-issue-56.pl0000755000175100001710000000057714177770216012715 00000000000000#!/usr/bin/perl -w # regression testing for github issue #56 # use Test::Command; use Test::More; if( $^O eq 'darwin' ) { plan skip_all => 'Test disabled on MacOS'; exit 0; } plan tests => 3; my $cmd1 = Test::Command->new(cmd => "fping -t100 -p100 -C3 255.255.255.255"); $cmd1->exit_is_num(1); $cmd1->stdout_is_eq(""); $cmd1->stderr_is_eq("\n255.255.255.255 : - - -\n"); fping-5.1/ci/test-issue-58.pl0000755000175100001710000000043614177770216012711 00000000000000#!/usr/bin/perl -w # regression testing for github issue #58 use Test::Command tests => 3; my $cmd1 = Test::Command->new(cmd => "fping -a -g 2001:db8:120:4161::4/64"); $cmd1->exit_is_num(1); $cmd1->stdout_is_eq(""); $cmd1->stderr_is_eq("fping: -g works only with IPv4 addresses\n"); fping-5.1/ci/test-01-basics.pl0000755000175100001710000000167114177770216013013 00000000000000#!/usr/bin/perl -w use Test::Command tests => 9; use Test::More; # ping 127.0.0.1 { my $cmd = Test::Command->new(cmd => "fping 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("127.0.0.1 is alive\n"); $cmd->stderr_is_eq(""); } # ping ::1 SKIP: { #system("/sbin/ifconfig >&2"); if($ENV{SKIP_IPV6}) { skip 'Skip IPv6 tests', 3; } my $cmd = Test::Command->new(cmd => "fping ::1"); $cmd->exit_is_num(0); $cmd->stdout_is_eq("::1 is alive\n"); $cmd->stderr_is_eq(""); } # ping 3 times 127.0.0.1 { my $cmd = Test::Command->new(cmd => "fping -p 100 -C3 127.0.0.1"); $cmd->exit_is_num(0); $cmd->stdout_like(qr{127\.0\.0\.1 : \[0\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) 127\.0\.0\.1 : \[1\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) 127\.0\.0\.1 : \[2\], 64 bytes, \d\.\d+ ms \(\d\.\d+ avg, 0% loss\) }); $cmd->stderr_like(qr{127\.0\.0\.1 : \d\.\d+ \d\.\d+ \d\.\d+\n}); } fping-5.1/depcomp0000755000175100001710000005602014177770274011000 00000000000000#! /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). 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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]... 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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" fping \- send ICMP ECHO_REQUEST packets to network hosts .SH "SYNOPSIS" .IX Header "SYNOPSIS" \&\fBfping\fR [ \fIoptions\fR ] [ \fIsystems...\fR ] .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\fBfping\fR is a program like \fBping\fR which uses the Internet Control Message Protocol (\s-1ICMP\s0) echo request to determine if a target host is responding. \&\fBfping\fR differs from \fBping\fR in that you can specify any number of targets on the command line, or specify a file containing the lists of targets to ping. Instead of sending to one target until it times out or replies, \fBfping\fR will send out a ping packet and move on to the next target in a round-robin fashion. In the default mode, if a target replies, it is noted and removed from the list of targets to check; if a target does not respond within a certain time limit and/or retry limit it is designated as unreachable. \fBfping\fR also supports sending a specified number of pings to a target, or looping indefinitely (as in \&\fBping\fR ). Unlike \fBping\fR, \fBfping\fR is meant to be used in scripts, so its output is designed to be easy to parse. Current statistics can be obtained without termination of process with signal \s-1SIGQUIT\s0 (^\e from the keyboard on most systems). .SH "OPTIONS" .IX Header "OPTIONS" .IP "\fB\-4\fR, \fB\-\-ipv4\fR" 5 .IX Item "-4, --ipv4" Restrict name resolution and IPs to IPv4 addresses. .IP "\fB\-6\fR, \fB\-\-ipv6\fR" 5 .IX Item "-6, --ipv6" Restrict name resolution and IPs to IPv6 addresses. .IP "\fB\-a\fR, \fB\-\-alive\fR" 5 .IX Item "-a, --alive" Show systems that are alive. .IP "\fB\-A\fR, \fB\-\-addr\fR" 5 .IX Item "-A, --addr" Display targets by address rather than \s-1DNS\s0 name. Combined with \-d, the output will be both the ip and (if available) the hostname. .IP "\fB\-b\fR, \fB\-\-size\fR=\fI\s-1BYTES\s0\fR" 5 .IX Item "-b, --size=BYTES" Number of bytes of ping data to send. The minimum size (normally 12) allows room for the data that \fBfping\fR needs to do its work (sequence number, timestamp). The reported received data size includes the \s-1IP\s0 header (normally 20 bytes) and \s-1ICMP\s0 header (8 bytes), so the minimum total size is 40 bytes. Default is 56, as in \fBping\fR. Maximum is the theoretical maximum \s-1IP\s0 datagram size (64K), though most systems limit this to a smaller, system-dependent number. .IP "\fB\-B\fR, \fB\-\-backoff\fR=\fIN\fR" 5 .IX Item "-B, --backoff=N" Backoff factor. In the default mode, \fBfping\fR sends several requests to a target before giving up, waiting longer for a reply on each successive request. This parameter is the value by which the wait time (\fB\-t\fR) is multiplied on each successive request; it must be entered as a floating-point number (x.y). The default is 1.5. .IP "\fB\-c\fR, \fB\-\-count\fR=\fIN\fR" 5 .IX Item "-c, --count=N" Number of request packets to send to each target. In this mode, a line is displayed for each received response (this can suppressed with \fB\-q\fR or \fB\-Q\fR). Also, statistics about responses for each target are displayed when all requests have been sent (or when interrupted). .IP "\fB\-C\fR, \fB\-\-vcount\fR=\fIN\fR" 5 .IX Item "-C, --vcount=N" Similar to \fB\-c\fR, but the per-target statistics are displayed in a format designed for automated response-time statistics gathering. For example: .Sp .Vb 2 \& $ fping \-C 5 \-q somehost \& somehost : 91.7 37.0 29.2 \- 36.8 .Ve .Sp shows the response time in milliseconds for each of the five requests, with the \&\f(CW\*(C`\-\*(C'\fR indicating that no response was received to the fourth request. .IP "\fB\-d\fR, \fB\-\-rdns\fR" 5 .IX Item "-d, --rdns" Use \s-1DNS\s0 to lookup address of ping target. This allows you to give fping a list of \s-1IP\s0 addresses as input and print hostnames in the output. This is similar to option \fB\-n\fR/\fB\-\-name\fR, but will force a reverse-DNS lookup even if you give hostnames as target (\s-1NAME\-\s0>\s-1IP\-\s0>\s-1NAME\s0). .IP "\fB\-D\fR, \fB\-\-timestamp\fR" 5 .IX Item "-D, --timestamp" Add Unix timestamps in front of output lines generated with in looping or counting modes (\fB\-l\fR, \fB\-c\fR, or \fB\-C\fR). .IP "\fB\-e\fR, \fB\-\-elapsed\fR" 5 .IX Item "-e, --elapsed" Show elapsed (round-trip) time of packets. .IP "\fB\-f\fR, \fB\-\-file\fR" 5 .IX Item "-f, --file" Read list of targets from a file. This option can only be used by the root user. Regular users should pipe in the file via stdin: .Sp .Vb 1 \& $ fping < targets_file .Ve .IP "\fB\-g\fR, \fB\-\-generate\fR \fIaddr/mask\fR" 5 .IX Item "-g, --generate addr/mask" Generate a target list from a supplied \s-1IP\s0 netmask, or a starting and ending \s-1IP.\s0 Specify the netmask or start/end in the targets portion of the command line. If a network with netmask is given, the network and broadcast addresses will be excluded. ex. To ping the network 192.168.1.0/24, the specified command line could look like either: .Sp .Vb 1 \& $ fping \-g 192.168.1.0/24 .Ve .Sp or .Sp .Vb 1 \& $ fping \-g 192.168.1.1 192.168.1.254 .Ve .IP "\fB\-h\fR, \fB\-\-help\fR" 5 .IX Item "-h, --help" Print usage message. .IP "\fB\-H\fR, \fB\-\-ttl\fR=\fIN\fR" 5 .IX Item "-H, --ttl=N" Set the \s-1IP TTL\s0 field (time to live hops). .IP "\fB\-i\fR, \fB\-\-interval\fR=\fI\s-1MSEC\s0\fR" 5 .IX Item "-i, --interval=MSEC" The minimum amount of time (in milliseconds) between sending a ping packet to any target (default is 10, minimum is 1). .IP "\fB\-I\fR, \fB\-\-iface\fR=\fI\s-1IFACE\s0\fR" 5 .IX Item "-I, --iface=IFACE" Set the interface (requires \s-1SO_BINDTODEVICE\s0 support). .IP "\fB\-l\fR, \fB\-\-loop\fR" 5 .IX Item "-l, --loop" Loop sending packets to each target indefinitely. Can be interrupted with Ctrl-C; statistics about responses for each target are then displayed. .IP "\fB\-m\fR, \fB\-\-all\fR" 5 .IX Item "-m, --all" Send pings to each of a target host's multiple \s-1IP\s0 addresses (use of option '\-A' is recommended). .IP "\fB\-M\fR, \fB\-\-dontfrag\fR" 5 .IX Item "-M, --dontfrag" Set the \*(L"Don't Fragment\*(R" bit in the \s-1IP\s0 header (used to determine/test the \s-1MTU\s0). .IP "\fB\-n\fR, \fB\-\-name\fR" 5 .IX Item "-n, --name" If targets are specified as \s-1IP\s0 addresses, do a reverse-DNS lookup on them to print hostnames in the output. .IP "\fB\-N\fR, \fB\-\-netdata\fR" 5 .IX Item "-N, --netdata" Format output for netdata (\-l \-Q are required). See: .IP "\fB\-o\fR, \fB\-\-outage\fR" 5 .IX Item "-o, --outage" Calculate \*(L"outage time\*(R" based on the number of lost pings and the interval used (useful for network convergence tests). .IP "\fB\-O\fR, \fB\-\-tos\fR=\fIN\fR" 5 .IX Item "-O, --tos=N" Set the typ of service flag (\s-1TOS\s0). \fIN\fR can be either decimal or hexadecimal (0xh) format. .IP "\fB\-p\fR, \fB\-\-period\fR=\fI\s-1MSEC\s0\fR" 5 .IX Item "-p, --period=MSEC" In looping or counting modes (\fB\-l\fR, \fB\-c\fR, or \fB\-C\fR), this parameter sets the time in milliseconds that \fBfping\fR waits between successive packets to an individual target. Default is 1000 and minimum is 10. .IP "\fB\-q\fR, \fB\-\-quiet\fR" 5 .IX Item "-q, --quiet" Quiet. Don't show per-probe results, but only the final summary. Also don't show \s-1ICMP\s0 error messages. .IP "\fB\-Q\fR, \fB\-\-squiet\fR=\fI\s-1SECS\s0\fR" 5 .IX Item "-Q, --squiet=SECS" Like \fB\-q\fR, but additionally show interval summary results every \fI\s-1SECS\s0\fR seconds. .IP "\fB\-r\fR, \fB\-\-retry\fR=\fIN\fR" 5 .IX Item "-r, --retry=N" Retry limit (default 3). This is the number of times an attempt at pinging a target will be made, not including the first try. .IP "\fB\-R\fR, \fB\-\-random\fR" 5 .IX Item "-R, --random" Instead of using all-zeros as the packet data, generate random bytes. Use to defeat, e.g., link data compression. .IP "\fB\-s\fR, \fB\-\-stats\fR" 5 .IX Item "-s, --stats" Print cumulative statistics upon exit. .IP "\fB\-S\fR, \fB\-\-src\fR=\fIaddr\fR" 5 .IX Item "-S, --src=addr" Set source address. .IP "\fB\-t\fR, \fB\-\-timeout\fR=\fI\s-1MSEC\s0\fR" 5 .IX Item "-t, --timeout=MSEC" Initial target timeout in milliseconds. In the default, non-loop mode, the default timeout is 500ms, and it represents the amount of time that \fBfping\fR waits for a response to its first request. Successive timeouts are multiplied by the backoff factor specified with \fB\-B\fR. .Sp In loop/count mode, the default timeout is automatically adjusted to match the \*(L"period\*(R" value (but not more than 2000ms). You can still adjust the timeout value with this option, if you wish to, but note that setting a value larger than \*(L"period\*(R" produces inconsistent results, because the timeout value can be respected only for the last ping. .Sp Also note that any received replies that are larger than the timeout value, will be discarded. .IP "\fB\-T\fR \fIn\fR" 5 .IX Item "-T n" Ignored (for compatibility with fping 2.4). .IP "\fB\-u\fR, \fB\-\-unreach\fR" 5 .IX Item "-u, --unreach" Show targets that are unreachable. .IP "\fB\-v\fR, \fB\-\-version\fR" 5 .IX Item "-v, --version" Print \fBfping\fR version information. .IP "\fB\-x\fR, \fB\-\-reachable\fR=\fIN\fR" 5 .IX Item "-x, --reachable=N" Given a list of hosts, this mode checks if number of reachable hosts is >= N and exits true in that case. .SH "EXAMPLES" .IX Header "EXAMPLES" Generate 20 pings to two hosts in ca. 1 second (i.e. one ping every 50 ms to each host), and report every ping \s-1RTT\s0 at the end: .PP .Vb 1 \& $ fping \-\-quiet \-\-interval=1 \-\-vcount=20 \-\-period=50 127.0.0.1 127.0.0.2 .Ve .SH "AUTHORS" .IX Header "AUTHORS" .IP "\(bu" 4 Roland J. Schemers \s-1III,\s0 Stanford University, concept and versions 1.x .IP "\(bu" 4 \&\s-1RL\s0 \*(L"Bob\*(R" Morgan, Stanford University, versions 2.x .IP "\(bu" 4 David Papp, versions 2.3x and up .IP "\(bu" 4 David Schweikert, versions 3.0 and up .PP \&\fBfping website: \fR .SH "DIAGNOSTICS" .IX Header "DIAGNOSTICS" Exit status is 0 if all the hosts are reachable, 1 if some hosts were unreachable, 2 if any \s-1IP\s0 addresses were not found, 3 for invalid command line arguments, and 4 for a system call failure. .SH "RESTRICTIONS" .IX Header "RESTRICTIONS" If fping was configured with \f(CW\*(C`\-\-enable\-safe\-limits\*(C'\fR, the following values are not allowed for non-root users: .IP "\(bu" 4 \&\fB\-i\fR \fIn\fR, where \fIn\fR < 1 msec .IP "\(bu" 4 \&\fB\-p\fR \fIn\fR, where \fIn\fR < 10 msec .SH "SEE ALSO" .IX Header "SEE ALSO" \&\f(CWping(8)\fR fping-5.1/doc/CHANGELOG.pre-v40000644000175100001710000005672514177770216012526 000000000000002017-02-09 David Schweikert * Version 3.16 * (feature) Support kernel-timestamping of received packets (#46) * (feature) Simplify restrictions: only -i >= 1 and -p >= 10 are enforced now * (bugfix) Fix option -m to return all IPs of a hostname * (bugfix) Fix option -H (ttl) for IPv6 * (bugfix) Fix option -M (don't fragment) for IPv6 * (bugfix) Fix option -O (ToS) for IPv6 * (bugfix) Fix compatibility issue with AIX (#69, @blentzgh) * (bugfix) Fix option -q not suppressing some ICMP error messages (#83) * (bugfix) Fix option -M expecting an argument, when it shouldn't * (bugfix) Fix minor issues found by Coverity Scan 2017-01-11 David Schweikert * Version 3.15 * (bugfix) Fix compiler errors on platforms other than Linux (related to the new -M option, #109) * Test suite fixes for macOS 2017-01-10 David Schweikert * Version 3.14 * (feature) Ignore network and broadcast for cidrs /31 and /32 (#102, Martin Topholm) * (feature) New option '-M' to set the "Don't Fragment" flag (#91, Don Bowman) * (feature) New option '-N' to output statistics for netdata (see: http://my-netdata.io/, #105, Costa Tsaousis) * (feature) New option '-o' to calculate total outage time (#90, @jgerbeck) * (bugfix) Exit code should be 2 when the hostname can't be resolved (fixes #98, reported by @green-fox) * (bugfix) Fix issue compliling on RHEL/Centos 7 (#95, @jbackman) * (bugfix) Lower -i limit to 1 instead of 10 * (bugfix) Improve interval preciseness of -Q reporting * (bugfix) Fix occasional false positive in -Q reporting (#97) * (bugfix) Solaris 10 portability fix (#107, Peter Bray) 2015-10-21 David Schweikert * Version 3.13 * (bugfix) Fix ICMP errors sometimes causing crashes with fping >= 3.11 (fixes #85, reported by Jamie Heilman and Bill Blough) 2015-10-14 David Schweikert * Version 3.12 * (bugfix) Fix fping6 -R (fixes #84, reported by Stuart Henderson) 2015-10-12 David Schweikert * Version 3.11 * (feature) New option -R to use random bytes instead of NULLs (#72, Anthony DeRobertis) * (feature) Small documentation and performance improvements (Ryan Underwood) * (bugfix) Fix double entries with fping -u and unreachable hosts * (internal) Use sockaddr_storage and simplify code, so that we can one day support both IPv4 and IPv6 with the same binary 2014-05-03 David Schweikert * Version 3.10 * Fix confusing error message with -g and IPv6 addresses (#58, reported by Axel Beckert) * Allow option '-f' also for non-root (since setuid privileges are dropped) * Do not retry twice DNS lookup on DNS lookup problem * Remove support for NIS groups * Better document -B backoff-factor and when it can be used (#33, Oleksiy Zagorskyi) * More tests added 2014-03-08 David Schweikert * Version 3.9 * Fix random output on socket error (reported by Aleksandrs Saveljevs, #56) * Support ppc64le architecture by including alpha libtool version (reported by Amit Kumar Gupta and Aravinda B Thunug) * Fix compilation problem on FreeBSD (#57) * Initial test suite and continous intergration (with travis-ci.org / coveralls.io) * Don't output usage information on error 2013-11-08 David Schweikert * Version 3.8 * Fix segmentation fault introduced in version 3.7 with loop mode (reported by Vlad Glagolev, #55) 2013-11-04 David Schweikert * Version 3.7 * Allow running as non-root on Mac OS X by using non-privileged ICMP (#7) * Remove unnecessary IPv6 socket options * Fix again compatibility issue with FreeBSD (Shawn Chu) * Fix fping hanging forever on permanent sendto failure (Shawn Chu) * Fix duplicate echo reply packets causing early stop in count mode (reported by Ramon Schwammberger, #53) 2013-10-10 David Schweikert * Version 3.6 * Fix loop issue after 65536 pings (reported by Peter Folk and GBert, #12) * Minimum ping data size is now 0 * Removed setsockopt IPV6_CHECKSUM, which shouldn't be set and breaks compiling on Solaris (reported by Juergen Arndt) * Fix wrong min RTT value with -Q option (reported by Alexander Ivanov, #51) 2013-05-22 David Schweikert * Version 3.5 * Fix sprint_tm buffer size crash (reported by Japheth Cleaver) * Addded -D flag to print timestamps (Toke Høiland-Jørgensen) * Fix fping6 build on OS X 10.8 (unknown contributor) * Fix compatibility issue with FreeBSD (Alexandre Raynaud, Jason Harris, #39) * Fping.spec: fix setuid permissions and provides fping6 (Marcus Vinicius Ferreira) * Re-create configure script with autoconf 2.69 for aarch64 support (Chuck Anderson, #45) 2012-09-04 David Schweikert * Version 3.4 * Revert "Output statistics to stdout instead of stderr", because it breaks tools assuming the output goes to stderr 2012-08-19 David Schweikert * Version 3.3 * Do not output icmp errors with -q (#1) * Add --enable-ipv4 and --enable-ipv6 options to configure (Niclas Zeising) * Fix removing of unreachable hosts when doing loop (Thomas Liske, #13 #23) * Fix -A for fping6 (reported by Matt LaPlante, #14) * Fix "options inet6" breaking IPv4 name resolution (reported by Matt LaPlante, #17) * Output statistics to stdout instead of stderr (suggested by Simon Leinen, #9) * Set default data size to 56 bytes on all architectures (#18) * Added contrib/fping.spec (Stephen Schaefer, #24) * Convert man-page source to POD for easier maintenance * Fix error message on DNS error for IPv6 hosts (#27) * Fix -n flag in fping6 (#28) * Man-page fix: TOS option typo (Thomas Liske, #23) * Man-page fix: inconsistency in regards to numeric arguments (Robert Henney) * Man-page fix: better description of option -q (#15) 2012-05-29 David Schweikert * Version 3.2 * Improve documentation for -g option (G.W. Haywood) * Performance optimization for big select timeouts (#10, Andrey Bondarenko) * Fix restart of select call after interrupt signal (#8, Boian Bonev) * Fix infinite loop caused by linked list corruption (#11, Boian Bonev) 2012-04-26 David Schweikert * Version 3.1 * -g option (generate): exclude network and broadcast address for cidr ranges (idea by Eric Brander) * do not explicitely check if running as root, to make it possible to install fping with linux capabilities instead of making it setuid (setcap cap_net_raw+ep fping) * ANSI C (C89) compiler now a requirement * Portability fixes * Reorganized source directory * Bugfix: fix timeout issue on Solaris (Sandor Geller) * Man-page fixes (Axel Beckert) * Added -H option to specify number of hops (Paul Duda) * Output usage information to stdout when called with -h (Paul Duda) 2011-12-28 David Schweikert * Version 3.0 * rewritten main loop for improved performance * -T parameter (select timeout) now obsolete * Maintenance taken over from unresponsive previous maintainer (anybody please step up, if you disagree) * New homepage: www.fping.org 2009-12-21 Tobi Oetiker * Version v2.4b2-to3-ipv6 * added -On option to set the TOS octet * Removed unused variables from code * updated to current autoconf standards * Merged Debian changes (see below) ---------------------------------------------------------------------- fping (2.4b2-to-ipv6-16.1) unstable; urgency=low * NMU during Moenchengladbach BSP * Fixes FTBFS on kfreebsd (Closes: #555398) * Fixes typo "Paramter" in binary -- Axel Beckert Sat, 23 Jan 2010 16:22:02 +0100 fping (2.4b2-to-ipv6-16) unstable; urgency=low * Fix the following bugs - Network byte order sensitivity was missing completely. Added hopefully all missing calls. - The sequence numbering scheme used led to packet drops. Changed it to a more senseful numbering scheme. - Some minor C programming mistakes ('=' instead of '=='). Patch by Stephan Fuhrmann; closes: #502569 * Add support for command line select timeout setting Patch by Marton Balint; closes: #502575 * Remove symlinks in /usr/sbin; closes: #377732 * Standards-Version is 3.8.0 -- Anibal Monsalve Salazar Sat, 18 Oct 2008 12:04:52 +1100 fping (2.4b2-to-ipv6-15) unstable; urgency=low * Added interface binding (-I) for fping Patch by Peter Naulls Closes: #439014 * Fixed a couple of typos in fping.8. Closes: #423180 * Added homepage control header * Bumped Standards-Version to 3.7.3 * Fixed the following lintian issue: - debian-rules-sets-DH_COMPAT -- Anibal Monsalve Salazar Mon, 03 Mar 2008 17:46:17 +1100 fping (2.4b2-to-ipv6-13) unstable; urgency=low * Fixed stdout flush problem, closes: #340146. Patch by Bart Martens . -- Anibal Monsalve Salazar Fri, 30 Dec 2005 08:30:09 +1100 fping (2.4b2-to-ipv6-12) unstable; urgency=low * Fixed "problem with option -r (retry limit)", closes: #318402. Patch by Qingning Huo . -- Anibal Monsalve Salazar Sat, 08 Oct 2005 21:26:35 +1000 fping (2.4b2-to-ipv6-11) unstable; urgency=low * Fixed "would be useful to specify 'source address' like ping for multi homed machines", closes: #198486. Patch by Marc Haber . -- Anibal Monsalve Salazar Thu, 02 Jun 2005 08:14:54 +1000 fping (2.4b2-to-ipv6-10) unstable; urgency=low * Fixed "unnecessary delay with the -c option after the last packet" (Closes: #293856). Patch by Niko Tyni -- Anibal Monsalve Salazar Sun, 06 Feb 2005 23:25:57 +1100 fping (2.4b2-to-ipv6-9) unstable; urgency=low * Fixed "fping6 always does reverse lookup" (Closes: #273647). Patch by Jeroen Massar and forwarded by Bernhard Schmidt -- Anibal Monsalve Salazar Mon, 10 Jan 2005 00:01:32 +1100 fping (2.4b2-to-ipv6-7) unstable; urgency=low * Build fping in build/ipv[46] instead of build and build-ipv6. * Made DNS errors non-fatal for IPv6 (closes: #198056). -- Herbert Xu Fri, 20 Jun 2003 21:36:30 +1000 fping (2.4b2-to-ipv6-6) unstable; urgency=low * Do not use incorrect linux.h file (closes: #85468). -- Herbert Xu Sat, 17 May 2003 14:13:11 +1000 fping (2.4b2-to-ipv6-5) unstable; urgency=low * Fixed yet another divide by zero bug (closes: #148445). -- Herbert Xu Tue, 4 Jun 2002 12:18:03 +1000 fping (2.4b2-to-ipv6-4) unstable; urgency=low * Made fping6 setuid (closes: #136386). * Moved fping back into bin. * Partially applied IPv6 patch to fix IPv6 checksums (closes: #136479). -- Herbert Xu Sun, 7 Apr 2002 20:36:56 +1000 fping (2.4b2-to-ipv6-3) unstable; urgency=low * Added compatibility symlink for fping (closes: #135203). -- Herbert Xu Sat, 23 Feb 2002 08:34:11 +1100 fping (2.4b2-to-ipv6-2) unstable; urgency=low * Fixed another divide by zero error (closes: #132370). -- Herbert Xu Thu, 7 Feb 2002 20:10:48 +1100 fping (2.4b2-to-ipv6-1) unstable; urgency=low * New upstream release. * Install fping into sbin as done by upstream. -- Herbert Xu Fri, 1 Feb 2002 22:11:59 +1100 fping (2.2b2-3) unstable; urgency=low * Removed INSTALL file from package (closes: #84050). * Fixed alignment bug. -- Herbert Xu Sat, 10 Feb 2001 19:25:18 +1100 fping (2.2b2-2) unstable; urgency=low * Made changes for dpkg-statoverride (closes: #83838). -- Herbert Xu Sun, 28 Jan 2001 21:53:05 +1100 fping (2.2b2-1) unstable; urgency=low * New upstream release. * Fixed typo that prevented -d from working (closes: #83255). * Drop root privileges after opening the socket (closes: #81589). * Fixed the options [tip], they were out by a factor of 10 (Richard Kettlewell, closes: #83742). -- Herbert Xu Sun, 28 Jan 2001 00:09:41 +1100 fping (2.2b1-2) unstable; urgency=low * Fixed typo in control file, spotted by William Ono (closes: #49909). -- Herbert Xu Mon, 15 May 2000 12:27:03 +1000 fping (2.2b1-1) unstable; urgency=low * Initial release. * Fixed divide by zero error (closes: #29902). -- Herbert Xu Sat, 30 Oct 1999 16:36:19 +1000 --------------------------------------------------------------------------------- Wed Jan 16 2002 Jeroen Massar - Revision v2.4b2-to-IPv6 - Added IPv6 support. - Added -I option for selecting source IPv4/IPv6 address. - Makefile.in now generates a Makefile which will build both fping (IPv4) and fping6 (IPv6). Thus it makes an fping (IPv4 only) and an fping6 (IPv6 only). - num_unreachable was counted twice when a sendto() generated errors. - See http://unfix.org/projects/ipv6/ Tue Mar 14 2001 Jason Ewasiuk - Revision v2.4b1 - added -g option for generating IPs from a start to an end value - two available options, generate IPs from start IP to end IP or from a passed netmask, such as 192.168.1.0/24 Thu Feb 15 2001 Jason Ewasiuk - Revision v2.3b1 - formatting changes to code layout (fping.c) NOTE: Best viewed with a tab stop of 4 - merged in changes from Debian c/o Herbert Xu - Compilation fix on alphas with glibc - Alignment issues (note from JE: in wait_for_reply()) - A typo with the time specified on the command line (note from JE: bug was using 10 instead of 100) - Drop privileges after obtaining socket (note from JE: might be moot, since prog exits if user is not root) - touched all files in package to this date - couple new #ifdefs added for future WIN32 support (Haven't got to adding this yet, will take a lot of rewriting.) Fri Dec 8 10:33:13 2000 Roland Schemers * stop using sys_errlist and start using strerror fixed bug in output of -C Wed Jan 8 11:18:37 1997 Roland Schemers * Created ChangeLog file. What follows was from the CHANGES file. * Revision 2.0 1994/10/31 21:26:23 morgan Substantial rewrite, including new features: support some traditional ping features: loop mode specify size of data packets specify how many pings to send show per-response data interpret ICMPs other than ICMP Echo response also rewrote main loop completely make timings in tenths of milliseconds do exponential backoff on retries port to more systems add some debugging stuff do better checking on whether received ICMP is for us * Revision 1.24 1993/12/10 23:11:39 schemers commented out seteuid(getuid()) since it isn't needed * Revision 1.23 1993/12/10 18:33:41 schemers Took out the -f option for non-root users. This can be enabled by defining ENABLE_F_OPTION before compiling. There is a call to access before opening the file, but there is a race condition. Reading from stdin is much safer. * Revision 1.22 1993/11/16 19:49:24 schemers Took out setuid(getuid()) and used access() system call to check for access to the file specified with "-f". * Revision 1.21 1993/07/20 18:08:19 schemers commented out the test to make sure the ping packet came from the same IP address as the one we sent to. This could cause problems on multi-homed hosts. * Revision 1.20 1993/02/23 00:16:38 schemers fixed syntax error (should have compiled before checking in...) * Revision 1.19 1993/02/23 00:15:15 schemers turned off printing of "is alive" when -a is specified. * Revision 1.18 1992/07/28 15:16:44 schemers added a fflush(stdout) call before the summary is sent to stderr, so everything shows up in the right order. * Revision 1.17 1992/07/23 03:29:42 schemers * Revision 1.16 1992/07/22 19:24:37 schemers Fixed declaration of timeval_diff. Didn't notice the problem because I use 'cc' in stead of gcc under Ultrix. Time to switch? :-) Modified file reaing so it would skip blank lines or lines starting with a '#'. Now you can do something like: fping -ad < /etc/hosts * Revision 1.15 1992/07/21 17:07:18 schemers Put in sanity checks so only root can specify "dangerous" options. Changed usage to show switchs in alphabetical order. * Revision 1.14 1992/07/21 16:40:52 schemers * Revision 1.13 1992/07/17 21:02:17 schemers Changed the default timeout to 2500 msec, and retry to 3. This was due to suggestions from people with slow (WAN) networks. The default 1 sec timeout was too fast. Added '-e' option for showing elapsed (round-trip) times on pakets, and modified the -s option to include min, max, and average round-trip times, and over all elapsed time. Modified action taken when a error is returned from sendto. The action taken now considers the host unreachable and prints the hostname followed by the errno message. The program will not exit and will continue to try other hosts. * Revision 1.12 1992/07/17 16:38:54 schemers * Revision 1.11 1992/07/17 16:28:38 schemers move socket create call so I could do a setuid(getuid()) before the fopen call is made. Once the socket is created root privs aren't needed to send stuff out on it. moved num_timeout counter. It really was for debug purposes and didn't make sense to the general public :-) Now it is the number of timeouts (pings that didn't get received with the time limit). * Revision 1.10 1992/07/16 16:24:38 schemers * Revision 1.9 1992/07/16 16:00:04 schemers * Revision 1.8 1992/07/16 05:44:41 schemers Added _NO_PROTO stuff for older compilers, and _POSIX_SOURCE for unistd.h, and _POSIX_SOURCE for stdlib.h. Also added check for __cplusplus. Now compiles ok under Ultrix 3.1, and Sun4 using cc. Also compiled ok using g++ 2.2.2. Changed '-a' and '-u' flags to be mutually exclusive (makes sense, since specifiying both '-a' and '-u' is the same as not specifiying anything. Since '-a' and '-u' are mutually exclusive, these options now only print the hostname, and not the 'is alive' or 'is unreachable' messages. This makes it much easier to do stuff like: #!/usr/local/bin/perl $hosts_to_backup=`cat /etc/hosts.backup|fping -a`; Since you don't have to strip off the 'is alive' messages. Changed usage to and stats to print to stderr instead of stdout. ----------------------------------------------------------------------------- RCS header info from original fping.c package (no longer required) /* *************************************************** * * Standard RCS Header information (see co(1)) * * $Author: schemers $ * * $Date: 1997/01/08 20:29:33 $ * * $Revision: 2.2 $ * * $Locker: $ * * $Source: /afs/ir/group/networking/src/fping/fping-2.2/src/RCS/fping.c,v $ * * $State: Exp $ * * $Log: fping.c,v $ * * Revision 2.2 1997/01/08 20:29:33 schemers * changes for autoconf/automake * * Revision 2.1 1997/01/08 19:07:18 schemers * checked in RL "Bob"'s changes before configure'ing * * Revision 2.0 1994/10/31 21:26:23 schemers * many changes by RL "Bob" Morgan * add timing data collection, loop mode, per-packet output, etc * * Revision 1.24 1993/12/10 23:11:39 schemers * commented out seteuid(getuid()) since it isn't needed * * Revision 1.23 1993/12/10 18:33:41 schemers * Took out the -f option for non-root users. This can be enabled by * defining ENABLE_F_OPTION before compiling. There is a call to * access before opening the file, but there is a race condition. * Reading from stdin is much safer. * * Revision 1.22 1993/11/16 19:49:24 schemers * Took out setuid(getuid()) and used access() system call to * check for access to the file specified with "-f". * * Revision 1.21 1993/07/20 18:08:19 schemers * commented out the test to make sure the ping packet came from the * same IP address as the one we sent to. This could cause problems on * multi-homed hosts. * * Revision 1.20 1993/02/23 00:16:38 schemers * fixed syntax error (should have compiled before checking in...) * * Revision 1.19 1993/02/23 00:15:15 schemers * turned off printing of "is alive" when -a is specified. * * Revision 1.18 1992/07/28 15:16:44 schemers * added a fflush(stdout) call before the summary is sent to stderr, so * everything shows up in the right order. * * Revision 1.17 1992/07/23 03:29:42 schemers * fixed declaration of timeval_diff. * * Revision 1.16 1992/07/22 19:24:37 schemers * Modified file reading so it would skip blanks lines or lines starting * with a '#'. Now you can do something like: * * fping -ad < /etc/hosts * * Revision 1.15 1992/07/21 17:07:18 schemers * Put in sanity checks so only root can specify "dangerous" options. * Changed usage to show switchs in alphabetical order. * * Revision 1.14 1992/07/21 16:40:52 schemers * Now when sendto returns an error, the host is considered unreachable and * and the error message (from errno) is displayed. * * Revision 1.13 1992/07/17 21:02:17 schemers * changed default timeout to 2500 msec (for WANs), and default try * to 3. This gives 10 second overall timeout. * * Added -e option for showing elapsed (round-trip) time on packets * * Modified -s option to inlude to round-trip stats * * Added #ifndef DEFAULT_* stuff its easier to change the defaults * * Reorganized main loop. * * cleaned up timeval stuff. removed set_timeval and timeval_expired * since they aren't needed anymore. Just use timeval_diff. * * Revision 1.12 1992/07/17 16:38:54 schemers * move socket create call so I could do a setuid(getuid()) before the * fopen call is made. Once the socket is created root privs aren't needed * to send stuff out on it. * * Revision 1.11 1992/07/17 16:28:38 schemers * moved num_timeout counter. It really was for debug purposes and didn't * make sense to the general public :-) Now it is the number of timeouts * (pings that didn't get received with the time limit). * * Revision 1.10 1992/07/16 16:24:38 schemers * changed usage() to use fprintf(stderr,"..."); * * Revision 1.9 1992/07/16 16:00:04 schemers * Added _NO_PROTO stuff for older compilers, and _POSIX_SOURCE * for unistd.h, and _POSIX_SOURCE for stdlib.h. Also added * check for __cplusplus. * * Revision 1.8 1992/07/16 05:44:41 schemers * changed -a and -u to only show hostname in results. This is * for easier parsing. Also added -v flag * * Revision 1.7 1992/07/14 18:45:23 schemers * initialized last_time in add_host function * * Revision 1.6 1992/07/14 18:32:40 schemers * changed select to use FD_ macros * * Revision 1.5 1992/07/14 17:21:22 schemers * standardized exit status codes * * Revision 1.4 1992/06/26 15:25:35 schemers * changed name from rrping to fping * * Revision 1.3 1992/06/24 15:39:32 schemers * added -d option for unreachable systems * * Revision 1.2 1992/06/23 03:01:23 schemers * misc fixes from R.L. "Bob" Morgan * * Revision 1.1 1992/06/19 18:23:52 schemers * Initial revision * *-------------------------------------------------- * Copyright (c) 1992, 1994, 1997 Board of Trustees * Leland Stanford Jr. University *************************************************** */ fping-5.1/doc/README.19920000644000175100001710000000402614177770216011446 00000000000000Original README (from 1992) fping - A tool to quickly ping N number of hosts to determine their reachability. Roland J. Schemers III - Stanford University schemers@Stanford.EDU fping is a ping(1) like program which uses the Internet Control Message Protocol (ICMP) echo request to determine if a host is up. fping is different from ping in that you can specify any number of hosts on the command line, or specify a file containing the lists of hosts to ping. Instead of trying one host until it timeouts or replies, fping will send out a ping packet and move on to the next host in a round-robin fashion. If a host replies, it is noted and removed from the list of hosts to check. If a host does not respond within a certain time limit and/or retry limit it will be considered unreachable. Site Stanford University has a large TCP/IP network with over 16,000 assigned IP addresses and over 100 IP subnets. Problem and Issues With a large a number of IP addresses in use, its becomes more and more time consuming to check on which IP addresses are actively in use, and which critical machines (routers, bridges, servers, etc) are reachable. One example is we have a program which goes through all of our routers arp caches looking for IP addresses that are in use. After finding a list of IP addresses that aren't in any arp caches fping can then be used to see if these IP addresses really aren't being used, or are just behind the routers. Checking 2500 hosts (99% of which are unreachable) via ping can take hours. fping was written to solve the problem of pinging N number of hosts in an efficient manner. By sending out pings in a round-robin fashion and checking on responses as they come in at random, a large number of hosts can be checked at once. Unlike ping, fping is meant to be used in scripts and its output is easy to parse. fping-5.1/doc/fping.pod0000644000175100001710000002050614177770216011773 00000000000000=head1 NAME fping - send ICMP ECHO_REQUEST packets to network hosts =head1 SYNOPSIS B [ I ] [ I ] =head1 DESCRIPTION B is a program like B which uses the Internet Control Message Protocol (ICMP) echo request to determine if a target host is responding. B differs from B in that you can specify any number of targets on the command line, or specify a file containing the lists of targets to ping. Instead of sending to one target until it times out or replies, B will send out a ping packet and move on to the next target in a round-robin fashion. In the default mode, if a target replies, it is noted and removed from the list of targets to check; if a target does not respond within a certain time limit and/or retry limit it is designated as unreachable. B also supports sending a specified number of pings to a target, or looping indefinitely (as in B ). Unlike B, B is meant to be used in scripts, so its output is designed to be easy to parse. Current statistics can be obtained without termination of process with signal SIGQUIT (^\ from the keyboard on most systems). =head1 OPTIONS =over 5 =item B<-4>, B<--ipv4> Restrict name resolution and IPs to IPv4 addresses. =item B<-6>, B<--ipv6> Restrict name resolution and IPs to IPv6 addresses. =item B<-a>, B<--alive> Show systems that are alive. =item B<-A>, B<--addr> Display targets by address rather than DNS name. Combined with -d, the output will be both the ip and (if available) the hostname. =item B<-b>, B<--size>=I Number of bytes of ping data to send. The minimum size (normally 12) allows room for the data that B needs to do its work (sequence number, timestamp). The reported received data size includes the IP header (normally 20 bytes) and ICMP header (8 bytes), so the minimum total size is 40 bytes. Default is 56, as in B. Maximum is the theoretical maximum IP datagram size (64K), though most systems limit this to a smaller, system-dependent number. =item B<-B>, B<--backoff>=I Backoff factor. In the default mode, B sends several requests to a target before giving up, waiting longer for a reply on each successive request. This parameter is the value by which the wait time (B<-t>) is multiplied on each successive request; it must be entered as a floating-point number (x.y). The default is 1.5. =item B<-c>, B<--count>=I Number of request packets to send to each target. In this mode, a line is displayed for each received response (this can suppressed with B<-q> or B<-Q>). Also, statistics about responses for each target are displayed when all requests have been sent (or when interrupted). =item B<-C>, B<--vcount>=I Similar to B<-c>, but the per-target statistics are displayed in a format designed for automated response-time statistics gathering. For example: $ fping -C 5 -q somehost somehost : 91.7 37.0 29.2 - 36.8 shows the response time in milliseconds for each of the five requests, with the C<-> indicating that no response was received to the fourth request. =item B<-d>, B<--rdns> Use DNS to lookup address of ping target. This allows you to give fping a list of IP addresses as input and print hostnames in the output. This is similar to option B<-n>/B<--name>, but will force a reverse-DNS lookup even if you give hostnames as target (NAME->IP->NAME). =item B<-D>, B<--timestamp> Add Unix timestamps in front of output lines generated with in looping or counting modes (B<-l>, B<-c>, or B<-C>). =item B<-e>, B<--elapsed> Show elapsed (round-trip) time of packets. =item B<-f>, B<--file> Read list of targets from a file. This option can only be used by the root user. Regular users should pipe in the file via stdin: $ fping < targets_file =item B<-g>, B<--generate> I Generate a target list from a supplied IP netmask, or a starting and ending IP. Specify the netmask or start/end in the targets portion of the command line. If a network with netmask is given, the network and broadcast addresses will be excluded. ex. To ping the network 192.168.1.0/24, the specified command line could look like either: $ fping -g 192.168.1.0/24 or $ fping -g 192.168.1.1 192.168.1.254 =item B<-h>, B<--help> Print usage message. =item B<-H>, B<--ttl>=I Set the IP TTL field (time to live hops). =item B<-i>, B<--interval>=I The minimum amount of time (in milliseconds) between sending a ping packet to any target (default is 10, minimum is 1). =item B<-I>, B<--iface>=I Set the interface (requires SO_BINDTODEVICE support). =item B<-l>, B<--loop> Loop sending packets to each target indefinitely. Can be interrupted with Ctrl-C; statistics about responses for each target are then displayed. =item B<-m>, B<--all> Send pings to each of a target host's multiple IP addresses (use of option '-A' is recommended). =item B<-M>, B<--dontfrag> Set the "Don't Fragment" bit in the IP header (used to determine/test the MTU). =item B<-n>, B<--name> If targets are specified as IP addresses, do a reverse-DNS lookup on them to print hostnames in the output. =item B<-N>, B<--netdata> Format output for netdata (-l -Q are required). See: L =item B<-o>, B<--outage> Calculate "outage time" based on the number of lost pings and the interval used (useful for network convergence tests). =item B<-O>, B<--tos>=I Set the typ of service flag (TOS). I can be either decimal or hexadecimal (0xh) format. =item B<-p>, B<--period>=I In looping or counting modes (B<-l>, B<-c>, or B<-C>), this parameter sets the time in milliseconds that B waits between successive packets to an individual target. Default is 1000 and minimum is 10. =item B<-q>, B<--quiet> Quiet. Don't show per-probe results, but only the final summary. Also don't show ICMP error messages. =item B<-Q>, B<--squiet>=I Like B<-q>, but additionally show interval summary results every I seconds. =item B<-r>, B<--retry>=I Retry limit (default 3). This is the number of times an attempt at pinging a target will be made, not including the first try. =item B<-R>, B<--random> Instead of using all-zeros as the packet data, generate random bytes. Use to defeat, e.g., link data compression. =item B<-s>, B<--stats> Print cumulative statistics upon exit. =item B<-S>, B<--src>=I Set source address. =item B<-t>, B<--timeout>=I Initial target timeout in milliseconds. In the default, non-loop mode, the default timeout is 500ms, and it represents the amount of time that B waits for a response to its first request. Successive timeouts are multiplied by the backoff factor specified with B<-B>. In loop/count mode, the default timeout is automatically adjusted to match the "period" value (but not more than 2000ms). You can still adjust the timeout value with this option, if you wish to, but note that setting a value larger than "period" produces inconsistent results, because the timeout value can be respected only for the last ping. Also note that any received replies that are larger than the timeout value, will be discarded. =item B<-T> I Ignored (for compatibility with fping 2.4). =item B<-u>, B<--unreach> Show targets that are unreachable. =item B<-v>, B<--version> Print B version information. =item B<-x>, B<--reachable>=I Given a list of hosts, this mode checks if number of reachable hosts is >= N and exits true in that case. =back =head1 EXAMPLES Generate 20 pings to two hosts in ca. 1 second (i.e. one ping every 50 ms to each host), and report every ping RTT at the end: $ fping --quiet --interval=1 --vcount=20 --period=50 127.0.0.1 127.0.0.2 =head1 AUTHORS =over 4 =item * Roland J. Schemers III, Stanford University, concept and versions 1.x =item * RL "Bob" Morgan, Stanford University, versions 2.x =item * David Papp, versions 2.3x and up =item * David Schweikert, versions 3.0 and up =back B> =head1 DIAGNOSTICS Exit status is 0 if all the hosts are reachable, 1 if some hosts were unreachable, 2 if any IP addresses were not found, 3 for invalid command line arguments, and 4 for a system call failure. =head1 RESTRICTIONS If fping was configured with C<--enable-safe-limits>, the following values are not allowed for non-root users: =over 4 =item * B<-i> I, where I < 1 msec =item * B<-p> I, where I < 10 msec =back =head1 SEE ALSO C fping-5.1/doc/Makefile.in0000644000175100001710000003465214177770274012244 00000000000000# 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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Generated from configure.ac by autoheader. */ #ifndef CONFIG_H #define CONFIG_H /* safe limits should be enforced */ #undef FPING_SAFE_LIMITS /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the `nsl' library (-lnsl). */ #undef HAVE_LIBNSL /* Define to 1 if you have the `socket' library (-lsocket). */ #undef HAVE_LIBSOCKET /* Define to 1 if you have the header file. */ #undef HAVE_MINIX_CONFIG_H /* Define to 1 if you have the header file. */ #undef HAVE_NETINET_ICMP6_H /* SO_TIMESTAMPNS is defined */ #undef HAVE_SO_TIMESTAMPNS /* 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 header file. */ #undef HAVE_SYS_FILE_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_STAT_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_UNISTD_H /* Define to 1 if you have the header file. */ #undef HAVE_WCHAR_H /* IPv4 enabled */ #undef IPV4 /* IPv6 enabled */ #undef IPV6 /* 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 1 if all of the C90 standard headers exist (not just the ones required in a freestanding environment). 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Define to 500 only if necessary to make mbstate_t available. */ #ifndef _XOPEN_SOURCE # undef _XOPEN_SOURCE #endif /* Version number of package */ #undef VERSION /* some OSes do not define this ... lets take a wild guess */ #ifndef INADDR_NONE # define INADDR_NONE 0xffffffffU #endif #endif /* CONFIG_H */ fping-5.1/INSTALL0000644000175100001710000001654714177770216010462 00000000000000Basic Installation ================== These are generic installation instructions. --> See the README file for fping-specific instructions. <-- The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. It may also create one or more `.h' files containing system-dependent definitions. Finally, it creates a shell script `config.status' that you can run in the future to recreate the current configuration, a file `config.cache' that saves the results of its tests to speed up reconfiguring, and a file `config.log' containing compiler output (useful mainly for debugging `configure'). If you need to do unusual things to compile the package, please try to figure out how `configure' could check whether to do them, and mail diffs or instructions to the address given in the `README' so they can be considered for the next release. If at some point `config.cache' contains results you don't want to keep, you may remove or edit it. The file `configure.in' is used to create `configure' by a program called `autoconf'. You only need `configure.in' if you want to change it or regenerate `configure' using a newer version of `autoconf'. The simplest way to compile this package is: 1. `cd' to the directory containing the package's source code and type `./configure' to configure the package for your system. If you're using `csh' on an old version of System V, you might need to type `sh ./configure' instead to prevent `csh' from trying to execute `configure' itself. Running `configure' takes a while. While running, it prints some messages telling which features it is checking for. 2. Type `make' to compile the package. 3. Optionally, type `make check' to run any self-tests that come with the package. 4. Type `make install' to install the programs and any data files and documentation. 5. You can remove the program binaries and object files from the source code directory by typing `make clean'. To also remove the files that `configure' created (so you can compile the package for a different kind of computer), type `make distclean'. There is also a `make maintainer-clean' target, but that is intended mainly for the package's developers. If you use it, you may have to get all sorts of other programs in order to regenerate files that came with the distribution. Compilers and Options ===================== Some systems require unusual options for compilation or linking that the `configure' script does not know about. You can give `configure' initial values for variables by setting them in the environment. Using a Bourne-compatible shell, you can do that on the command line like this: CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure Or on systems that have the `env' program, you can do it like this: env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure Compiling For Multiple Architectures ==================================== You can compile the package for more than one kind of computer at the same time, by placing the object files for each architecture in their own directory. To do this, you must use a version of `make' that supports the `VPATH' variable, such as GNU `make'. `cd' to the directory where you want the object files and executables to go and run the `configure' script. `configure' automatically checks for the source code in the directory that `configure' is in and in `..'. If you have to use a `make' that does not supports the `VPATH' variable, you have to compile the package for one architecture at a time in the source code directory. After you have installed the package for one architecture, use `make distclean' before reconfiguring for another architecture. Installation Names ================== By default, `make install' will install the package's files in `/usr/local/bin', `/usr/local/man', etc. You can specify an installation prefix other than `/usr/local' by giving `configure' the option `--prefix=PATH'. You can specify separate installation prefixes for architecture-specific files and architecture-independent files. If you give `configure' the option `--exec-prefix=PATH', the package will use PATH as the prefix for installing programs and libraries. Documentation and other data files will still use the regular prefix. If the package supports it, you can cause programs to be installed with an extra prefix or suffix on their names by giving `configure' the option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. Optional Features ================= Some packages pay attention to `--enable-FEATURE' options to `configure', where FEATURE indicates an optional part of the package. They may also pay attention to `--with-PACKAGE' options, where PACKAGE is something like `gnu-as' or `x' (for the X Window System). The `README' should mention any `--enable-' and `--with-' options that the package recognizes. For packages that use the X Window System, `configure' can usually find the X include and library files automatically, but if it doesn't, you can use the `configure' options `--x-includes=DIR' and `--x-libraries=DIR' to specify their locations. Specifying the System Type ========================== There may be some features `configure' can not figure out automatically, but needs to determine by the type of host the package will run on. Usually `configure' can figure that out, but if it prints a message saying it can not guess the host type, give it the `--host=TYPE' option. TYPE can either be a short name for the system type, such as `sun4', or a canonical name with three fields: CPU-COMPANY-SYSTEM See the file `config.sub' for the possible values of each field. If `config.sub' isn't included in this package, then this package doesn't need to know the host type. If you are building compiler tools for cross-compiling, you can also use the `--target=TYPE' option to select the type of system they will produce code for and the `--build=TYPE' option to select the type of system on which you are compiling the package. Sharing Defaults ================ If you want to set default values for `configure' scripts to share, you can create a site shell script called `config.site' that gives default values for variables like `CC', `cache_file', and `prefix'. `configure' looks for `PREFIX/share/config.site' if it exists, then `PREFIX/etc/config.site' if it exists. Or, you can set the `CONFIG_SITE' environment variable to the location of the site script. A warning: not all `configure' scripts look for a site script. Operation Controls ================== `configure' recognizes the following options to control how it operates. `--cache-file=FILE' Use and save the results of the tests in FILE instead of `./config.cache'. Set FILE to `/dev/null' to disable caching, for debugging `configure'. `--help' Print a summary of the options to `configure', and exit. `--quiet' `--silent' `-q' Do not print messages saying which checks are being made. `--srcdir=DIR' Look for the package's source code in directory DIR. Usually `configure' can determine that directory automatically. `--version' Print the version of Autoconf used to generate the `configure' script, and exit. `configure' also accepts some other, not widely useful, options. fping-5.1/compile0000755000175100001710000001635014177770274011003 00000000000000#! /bin/sh # Wrapper for compilers which do not understand '-c -o'. scriptversion=2018-03-07.03; # UTC # Copyright (C) 1999-2021 Free Software Foundation, Inc. # Written by Tom Tromey . # # 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. # This file is maintained in Automake, please report # bugs to or send patches to # . nl=' ' # We need space, tab and new line, in precisely that order. Quoting is # there to prevent tools from complaining about whitespace usage. IFS=" "" $nl" file_conv= # func_file_conv build_file lazy # Convert a $build file to $host form and store it in $file # Currently only supports Windows hosts. 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"$@" ret=$? if test -f "$cofile"; then test "$cofile" = "$ofile" || mv "$cofile" "$ofile" elif test -f "${cofile}bj"; then test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" fi rmdir "$lockdir" exit $ret # Local Variables: # mode: shell-script # sh-indentation: 2 # 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: fping-5.1/contrib/0000755000175100001710000000000014177770216011134 500000000000000fping-5.1/contrib/fping.spec0000644000175100001710000000352414177770216013037 00000000000000Summary: send ICMP echo probes to multiple hosts Name: fping Version: 4.2 Release: 1 License: Freely redistributable without restriction Group: Applications/System Source0: http://fping.org/dist/%{name}-%{version}.tar.gz BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-buildroot %description fping is a program to send ICMP echo probes to network hosts, similar to ping, but much better performing when pinging multiple hosts. fping has a very long history: Roland Schemers did publish a first version of it in 1992 and it has established itself since then as a standard tool for network diagnostics and statistics. %prep %setup -q %build if [ ! -f ./configure ] ; then ./autogen.sh fi # fping %configure --enable-ipv4 make # fping6 %configure --enable-ipv6 make %{__mv} -f src/fping src/fping6 %install rm -rf $RPM_BUILD_ROOT make DESTDIR=$RPM_BUILD_ROOT install # fping6 %{__install} -Dp -m4755 src/fping6 %{buildroot}%{_sbindir}/fping6 %{__ln_s} -f fping.8 %{buildroot}%{_mandir}/man8/fping6.8 %clean rm -rf $RPM_BUILD_ROOT %files %defattr(-,root,root,-) %attr(4755, root, root) /usr/sbin/fping %attr(4755, root, root) /usr/sbin/fping6 %doc README.md COPYING CHANGELOG.md /usr/share/man/man8/fping.8.gz /usr/share/man/man8/fping6.8.gz %post if [ -x /usr/sbin/setcap ]; then /bin/chmod 0755 /usr/sbin/fping* /usr/sbin/setcap cap_net_raw+ep /usr/sbin/fping /usr/sbin/setcap cap_net_raw+ep /usr/sbin/fping6 fi %changelog * Mon Dec 24 2012 Marcus Vinicius Ferreira - Missing './configure' script when cloning from master. - Making 'fping6'. - Fix setuid permission to 'rwsr-xr-x'. - doc files. - Replacing setuid permission if 'setcap' is present on post-install. - Using 'http://fping.org/dist/' for release source distributions. * Mon Jul 16 2012 Stephen Schaefer - Initial build # vim:ft=spec: fping-5.1/README.md0000644000175100001710000000365514177770216010704 00000000000000[![Build Status](https://travis-ci.org/schweikert/fping.svg?branch=develop)](https://travis-ci.org/schweikert/fping) [![Coverage Status](https://coveralls.io/repos/github/schweikert/fping/badge.svg?branch=develop)](https://coveralls.io/github/schweikert/fping?branch=develop) [![Coverity Scan Build Status](https://scan.coverity.com/projects/11559/badge.svg?flat=1")](https://scan.coverity.com/projects/schweikert-fping) # fping fping is a program to send ICMP echo probes to network hosts, similar to ping, but much better performing when pinging multiple hosts. fping has a long long story: Roland Schemers did publish a first version of it in 1992 and it has established itself since then as a standard tool. _Current maintainer_: David Schweikert \ _Website_: https://fping.org/ _Mailing-list_: https://groups.google.com/group/fping-users ## Installation If you want to install fping from source, proceed as follows: 0. Run `./autogen.sh` (only if you got the source from Github). 1. Run `./configure` with the correct arguments. (see: `./configure --help`) 2. Run `make; make install`. 3. Make fping either setuid, or, if under Linux: `sudo setcap cap_net_raw+ep fping` If you can't run fping as root or can't use the cap_net_raw capability, you can also run fping in unprivileged mode. This works on MacOS and also on Linux, provided that your GID is included in the range defined in `/proc/sys/net/ipv4/ping_group_range`. This is particularly useful for running fping in rootless / unprivileged containers. ## Usage Have a look at the [fping(8)](doc/fping.pod) manual page for usage help. (`fping -h` will also give a minimal help output.) ## Credits * Original author: Roland Schemers (schemers@stanford.edu) * Previous maintainer: RL "Bob" Morgan (morgan@stanford.edu) * Initial IPv6 Support: Jeroen Massar (jeroen@unfix.org / jeroen@ipng.nl) * Other contributors: see [CHANGELOG.md](CHANGELOG.md) fping-5.1/CHANGELOG.md0000644000175100001710000002005414177770216011226 00000000000000fping 5.1 (2022-02-06) ====================== ## Bugfixes and other changes - Use setcap to specify specific files in fping.spec (#232, thanks @zdyxry) - Netdata: use host instead name as family label (#226, thanks @k0ste) - Netdata: use formatstring macro PRId64 (#229, thanks @gsnw) - Allow -4 option to be given multiple times (#215, thanks @normanr) - Documentation fix (#208, thanks @timgates42) - Retain privileges until after privileged setsockopt (#200, thanks @simetnicbr) - Set bind to source only when option is set (#198, thanks @dinoex) - Update Azure test pipeline (#197, thanks @gsnw) - Fix getnameinfo not called properly for IPv4 (#227, thanks @aafbsd) - Fixed wrong timestamp under Free- and OpenBSD and macOS (#217, thanks @gsnw) - Documentation updates (#240, thanks @auerswal) - Updated autotools (autoconf 2.71, automake 1.16.5, libtool 2.4.6) fping 5.0 (2020-08-05) ====================== ## Incompatible Changes - In non-quiet loop and count mode, a line is printed for every lost packet (#175, thanks @kbucheli): ``` $ fping -D -c2 8.8.8.8 8.8.8.7 [1596092373.18423] 8.8.8.8 : [0], 64 bytes, 12.8 ms (12.8 avg, 0% loss) [1596092374.18223] 8.8.8.7 : [0], timed out (NaN avg, 100% loss) [1596092374.18424] 8.8.8.8 : [1], 64 bytes, 12.3 ms (12.5 avg, 0% loss) [1596092375.18344] 8.8.8.7 : [1], timed out (NaN avg, 100% loss) 8.8.8.8 : xmt/rcv/%loss = 2/2/0%, min/avg/max = 12.3/12.5/12.8 8.8.8.7 : xmt/rcv/%loss = 2/0/100% ``` - The returned size in bytes now always excludes the IP header, so if before it reported '84 bytes' e.g. when using 'fping -l', now it reports '64 bytes'. This is to make the reported size consistent with ping(8) from iputils and also with fping when pinging a IPv6 host (which never included the IPv6 header size). ## New features - The number of sent pings is only counted when the pings are received or have timed out, ensuring that the loss ratio will be always correct. This makes it possible, for example, to use loop mode (-l) with interval statistics (-Q) and a timeout larger than period, without having the issue that initially some pings would be reported as missing (#193) - Improved precision of measurements from 10us to 1us (#136, thanks @tycho) ## Bugfixes and other changes - The reported size of received packets is now always correct on Linux even for packets > 4096 bytes (#180) - Travis CI automated testing now also macos testing and additional ubuntu distributions (#196) fping 4.4 (2020-07-24) ====================== ## Bugfixes and other changes - Fix wrong ident used for normal (non-unprivileged) pings (#191, thanks @tycho) - Fix build with --disable-ipv6 (#187, thanks Polynomial-C) fping 4.3 (2020-07-11) ====================== ## New features - Linux unprivileged ping support (#173, thanks @tycho) - Add SIGQUIT summary support similar to ping (#185, thanks @laddp) ## Bugfixes and other changes - Corrected long option name of -s to --stats (#148, thanks @wopfel) - Do not fail if using fping6 with -6 flag (#149, thanks @stromnet) - Fail if interface binding (-I) does not work (#162, thanks @kbucheli) - Fix using option -4 when fping is compiled IPv4-only (#154, thanks @pbhenson) - Add Azure pipeline test build (#153 and #170, thanks @gsnw) - GCC 10 compatibility fixes (#167 and #168, thanks @cranderson) - Macos build fix (#174, thanks @tycho) - Fix xmt stats in Netdata output (#172, thanks @vlvkobal) - Only increase num_alive if response is not a duplicate (#151, thanks @brownowski) - Use line buffering for stdout (#179, thanks @bg6cq) fping 4.2 (2019-02-19) ====================== ## New features - New option -x / --reachable to check if the number of reachable hosts is >= a certain number. Useful for example to implement connectivity-checks (#138, thanks @deepak0004) ## Bugfixes and other changes - Allow decimal numbers for '-t', '-i', '-p', and '-Q' - Fix build with --disable-ipv6 (#134, thanks @Polynomial-C) - Fix hang with '-6', with ipv6 kernel module, but not loaded (#140, thanks @abelbeck) - Assume '-6' if the binary is named 'fping6' (this is mostly for special embedded-distro use cases, and not meant to be used generally in place of compiling IPv6-only binary or using '-6', see also the notes in #139, thanks abelbeck) - Get rid of warning "timeout (-t) value larger than period (-p) produces unexpected results" (#142, thanks @MrDragon1122) fping 4.1 (2018-09-17) ====================== ## Bugfixes and other changes - Fix problem when socket fd is 0 (#125, thanks Ramón Novoa!) - Fix running on servers with disabled IPv6 (#118, thanks Simon Matter) - Allow running "fping -h" or "--help" even when raw socket can't be opened (#131, thanks @teto) - Fix build issue with FreeBSD and IPv6 (#132, thanks @gsnw) fping 4.0 (2017-04-23) ====================== ## Incompatible Changes ##### fping and fping6 unification fping and fping6 are now unified into one binary. It means that, for example, doing 'fping google.com' is going to ping the IPv6 IP of google.com on IPv6-enabled hosts. If you need exact compatibility with old versions, you can configure and install fping twice: once for ipv4, and once for ipv6: ./configure --disable-ipv6; make clean install ./configure --disable-ipv4 --program-suffix=6; make clean install ##### Option -n, not the same as -d anymore Option -n / --name is now doing a reverse-DNS lookups on host addresses, only if they are given as IP address, but not for hostnames. For example, if you write 'fping -n google.com', fping would previously do a forward-DNS lookup on google.com, and then a reverse-DNS lookup on the resolved IP address. Now, it is just going to keep the name 'google.com'. That same behavior can be achieved with the option -d / --rdns (which was previously an alias for -n). fping<4.0 fping>=4.0 fping -n NAME NAME->IP->IPNAME NAME fping -d NAME NAME->IP->IPNAME NAME->IP->IPNAME ##### Discarding of late packets fping will now discard replies, if they arrive after the defined timeout for reply packets, specified with -t. This change is relevant only for the count and loop modes, where the measured times should be now more consistent (see github issue [#32][i32] for details). To prevent loosing reply packets because of this change, the default timeout in count and loop modes is now automatically adjusted to the period interval (up to 2000 ms), but it can be overriden with the -t option. The default timeout for non-loop/count modes remains 500 ms. ##### No restrictions by default fping will not enforce -i >= 1 and -p >= 10 anymore, except if you './configure --enable-safe-limits'. The reasoning to removing the restrictions by default, is that users can clog the network with other tools anyway, and these restrictions are sometimes getting in the way (for example if you try to ping a lot of hosts). ##### Default interval (-i) changed from 25ms to 10ms The default minimum interval between ping probes has been changed from 25ms to 10ms. The reason is that 25ms is very high, considering today's fast networks: it generates at most 31 kbps of traffic (for IPv4 and default payload size). ## New features - Unified 'fping' and 'fping6' into one binary ([#80][i80]) - Long option names for all options - IPv6 enabled by default - New option -4 to force IPv4 - New option -6 to force IPv6 - Keep original name if a hostname is given with -n/--name - Option -d/--rdns now always does a rdns-lookup, even for names, as '-n' was doing until now - Enforce -t timeout on reply packets, by discarding late packets ([#32][i32]) - Auto-adjust timeout for -c/-C/-l mode to value of -p ## Bugfixes and other changes - -i/-p restrictions disabled by default (enable with --enable-safe-limits) - Default interval -i changed from 25ms to 10ms - Fix compatibility issue with GNU Hurd - A C99 compiler is now required - Option parsing with optparse (https://github.com/skeeto/optparse). Thanks Christopher Wellons! - New changelog file format [i32]: https://github.com/schweikert/fping/issues/32 [i80]: https://github.com/schweikert/fping/issues/80 (see doc/CHANGELOG.pre-v4 for older changes) fping-5.1/configure.ac0000644000175100001710000000605714177770216011712 00000000000000dnl Process this file with autoconf to produce a configure script. dnl Minimum Autoconf version required. AC_PREREQ(2.59) AC_INIT([fping],[5.1]) AC_GNU_SOURCE dnl --disable-ipv4 AC_ARG_ENABLE([ipv4], AS_HELP_STRING([--disable-ipv4], [Disable support for pinging IPv4 hosts])) AM_CONDITIONAL([IPV4], [test "x$enable_ipv4" != "xno"]) AM_COND_IF([IPV4], [AC_DEFINE([IPV4], [1], [IPv4 enabled])]) dnl --disable-ipv6 AC_ARG_ENABLE([ipv6], AS_HELP_STRING([--disable-ipv6], [Disable support for pinging IPv6 hosts])) AS_IF([test "x$enable_ipv6" != "xno"], [ dnl Test if IPv6 is supported AC_CHECK_HEADERS([netinet/icmp6.h], [have_ipv6="yes"], [], [[ #include #include ]]) ]) dnl Can't disable both IPv4 and IPv6 AS_IF([test "x$enable_ipv4" = "xno" -a "x$enable_ipv6" = "xno"], [ AC_MSG_ERROR([Need to enable IPv4 or IPv6. Can't disable both!)]) ]) dnl IPv6 required, but not supported? AS_IF([test \( "x$enable_ipv6" = "xyes" -o "x$enable_ipv4" = "xno" \) -a "x$have_ipv6" != "xyes" ], [ AC_MSG_ERROR([IPv6 not supported on this platform (netinet/icmp6.h header not found)]) ]) AM_CONDITIONAL([IPV6], [test "x$have_ipv6" = "xyes"]) AM_COND_IF([IPV6], [AC_DEFINE([IPV6], [1], [IPv6 enabled])]) AC_ARG_ENABLE([timestamp], AS_HELP_STRING([--disable-timestamp], [Disable kernel-based packet timestaping (SO_TIMESTAMPNS)])) AS_IF([test "x$enable_timestamp" != "xno"], [ AC_CHECK_DECL([SO_TIMESTAMPNS], [AC_DEFINE(HAVE_SO_TIMESTAMPNS, [1], [SO_TIMESTAMPNS is defined])], [have_so_timestamp="no"], [#include #include ]) ]) dnl Test if --enable-timestamp is explicitely enabled and make an error if this platform doesn't support it AS_IF([test "x$enable_timestamp" = "xyes" -a "x$have_so_timestamp" = "xno"], [ AC_MSG_ERROR([--enable-timestamp not supported on this platform]) ]) AC_ARG_ENABLE([safe-limits], AS_HELP_STRING([--enable-safe-limits], [Restrict timing parameters (-i, -p) within "safe" limits])) AS_IF([test "x$enable_safe_limits" = "xyes"], [ AC_DEFINE(FPING_SAFE_LIMITS, [1], [safe limits should be enforced])]) AC_CANONICAL_TARGET AM_INIT_AUTOMAKE([-Wall -Werror foreign]) AM_MAINTAINER_MODE AC_CONFIG_HEADERS([config.h]) dnl Checks for programs. AC_PROG_CC AM_PROG_CC_C_O AC_PROG_CC_STDC AC_PROG_CPP AC_PROG_INSTALL dnl Checks for libraries. AC_CHECK_FUNC(gethostbyname) if test $ac_cv_func_gethostbyname = no; then AC_CHECK_LIB(nsl, gethostbyname) fi AC_CHECK_FUNC(connect) if test $ac_cv_func_connect = no; then AC_CHECK_LIB(socket, connect) fi AC_CHECK_FUNC(sigaction) if test $ac_cv_func_sigaction = yes; then AC_DEFINE([USE_SIGACTION],[1],[Define if sigaction is available.]) fi AH_TOP([ #ifndef CONFIG_H #define CONFIG_H ]) AH_BOTTOM([ /* some OSes do not define this ... lets take a wild guess */ #ifndef INADDR_NONE # define INADDR_NONE 0xffffffffU #endif #endif /* CONFIG_H */ ]) dnl Checks for header files. AC_CHECK_HEADERS([unistd.h sys/file.h stdlib.h sys/select.h]) AC_CONFIG_FILES([Makefile doc/Makefile src/Makefile]) AC_OUTPUT fping-5.1/Makefile.am0000644000175100001710000000011714177770216011447 00000000000000SUBDIRS = doc src EXTRA_DIST = CHANGELOG.md contrib README.md ci/*.sh ci/*.pl