netdiscover-0.3-pre-beta7/0000755000175000017500000000000012504170237012467 500000000000000netdiscover-0.3-pre-beta7/configure.ac0000644000175000017500000000072712504161433014701 00000000000000AC_INIT([netdiscover], [0.3-pre-beta7], [jpenalbae@gmail.com]) AC_CONFIG_AUX_DIR([build-aux]) AM_INIT_AUTOMAKE([-Wall -Werror]) AC_PROG_CC dnl Checks for header files. dnl check for pcap.h AC_CHECK_HEADER(pcap.h,, AC_MSG_ERROR(Cannot find pcap.h - You need libpcap installed.)) AC_CONFIG_HEADERS([config.h]) AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile]) AC_OUTPUT printf "\nRun ./update-oui-database.sh if you want a updated MAC vendors database.\n\n" netdiscover-0.3-pre-beta7/AUTHORS0000644000175000017500000000173012504161041013451 00000000000000******************************************************************************* AUTHORS & CONTRIBUTORS ******************************************************************************* If you have any suggestion or bugs, please email Also if you want to contribute, feel free to send any patches. Netdiscover =========== Netdiscover has been written by Jaime Penalba Estebanez Web page can be found at http://www.nixgeneration.com/~jaime/netdiscover/ Contributors ============ Netdiscover includes the following contributions: - Debian packages and manual page by "Nicolas Weyland " - First parsable output attempt by "Marcel van der Boom " - Parsable output patch by "Guillaume Pratte " - Known hosts list feature by "Janusz Uzycki " - Fix for undefined docdir by "Janusz Uzycki " netdiscover-0.3-pre-beta7/NEWS0000644000175000017500000000007612504161042013103 00000000000000Look at http://nixgeneration.com/~jaime/netdiscover/ for news netdiscover-0.3-pre-beta7/README0000644000175000017500000000674312504161042013273 00000000000000Welcome to Netdiscover 0.3 beta. Netdiscover is a network address discovering tool, developed mainly for those wireless networks without dhcp server, it also works on hub/switched networks. Its based on arp packets, it will send arp requests and sniff for replys. Its my first public C tool, so dont be too hard with me, if some parts on the code looks like offuscated or are unreadable, and feel free to mail me with suggestions or patches at Also mail me for any bug or compilation error, it must compile with gcc 2.95 or newer. An excesive cpu comsuption happens on OpenBSD, due to threads design and the use of pcap_open_live() with pcap_loop(), any sugestions for fix are welcome. Requeriments ============ - libpcap - libnet > 1.1.2 - Tested to work on Linux, Solaris MacOS X and OpenBSD, other unixes may work Build ===== $ sh update-oui-database.sh (optional) $ ./configure $ make # make install Usage ===== Screen Keys: - k/j (or up/down arrow keys) scroll up/down - q quit Usage: ./netdiscover [-i device] [-r range | -p] [-s time] [-n node] [-c count] [-f] [-S] -i device The network device to sniff at and inject packets. If no device was specified, first available will be used. -r range Scan a given range instead of auto scan. Valid range values are: 192.168.0.0/24, 192.168.0.0/16 or 192.168.0.0/8 -p Enable passive mode do not send anything, only sniff -s time It will sleep given time in milliseconds between each arp request injection. (default 1) -c count Number of times to send each arp reques. Usefull for networks with packet loss, so it will scan given times for each host. -n node Last ip octet used for scanning as source host, you can change it if the default host is already used (from 2 to 253) (default 66) -S Enable sleep time supression betwen each request. I will sleep each 255 scanned hosts instead of do it by each one, this mode was used on 0.3 beta4 and older releases. Avoid this option on networks with packet lossing, or in wireless networks with low signal level. (also called hardcore mode) -f Enable fastmode scan, it will only scan for hosts .1, .100, .254 on each network, usefull when searching for addresses being used, after find one you can make a specific range scan to see online boxes. Scanned hosts can be easily modified at fast_ips[] array on main.c source. If -p or -r options are not used, netdiscover will automatically scan for common lan addresses. Those address lists can be modified at common_net[] on main.c Examples ======== Scan common lan addresses on eth0 # netdiscover -i eth0 Fast scan common lan addresses on eth0 (search only for gateways) # netdiscover -i eth0 -f Scan some fixed ranges # netdiscover -i eth0 172.26.0.0/24 # netdiscover -i eth0 192.168.0.0/16 # netdiscover -i eth0 10.0.0.0/8 Scan common lan addresses with sleep time 0.5 instead of default 1 # netdiscover -i eth0 -s 0.5 Scan fixed range on fast mode with sleep time 0.5 instead of default 1 # netdiscover -i eth0 192.168.0.0/16 -f -s 0.5 Only sniff for arp traffic, dont send nothing # netdiscover -i eth0 -p Scan for common lan addresses using old hardcore mode (much more faster, but avoid it on networks with bad link) # netdiscover -i eth0 -S More parameter combinations are possible, these are only some examples. 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Generated from configure.ac by autoheader. */ /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_MEMORY_H /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_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_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 /* 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 you have the ANSI C header files. */ #undef STDC_HEADERS /* Version number of package */ #undef VERSION netdiscover-0.3-pre-beta7/COPYING0000644000175000017500000010437412504161042013445 00000000000000 GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. 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If conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot convey a covered work so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not convey it at all. For example, if you agree to terms that obligate you to collect a royalty for further conveying from those to whom you convey the Program, the only way you could satisfy both those terms and this License would be to refrain entirely from conveying the Program. 13. Use with the GNU Affero General Public License. Notwithstanding any other provision of this License, you have permission to link or combine any covered work with a work licensed under version 3 of the GNU Affero General Public License into a single combined work, and to convey the resulting work. The terms of this License will continue to apply to the part which is the covered work, but the special requirements of the GNU Affero General Public License, section 13, concerning interaction through a network will apply to the combination as such. 14. Revised Versions of this License. The Free Software Foundation may publish revised and/or new versions of the GNU General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies that a certain numbered version of the GNU General Public License "or any later version" applies to it, you have the option of following the terms and conditions either of that numbered version or of any later version published by the Free Software Foundation. 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Copyright (C) This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . Also add information on how to contact you by electronic and paper mail. If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode: Copyright (C) This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an "about box". You should also get your employer (if you work as a programmer) or school, if any, to sign a "copyright disclaimer" for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see . The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read . netdiscover-0.3-pre-beta7/Makefile.am0000644000175000017500000000046412504161042014441 00000000000000# against of error: Makefile.am:3: `doc_DATA' is used but `docdir' is undefined docdir = @docdir@ SUBDIRS = src doc doc_DATA = \ README\ COPYING\ AUTHORS\ ChangeLog\ NEWS\ TODO EXTRA_DIST = \ rpm/mandriva.spec \ rpm/redhat.spec \ update-oui-database.sh netdiscover-0.3-pre-beta7/src/0000755000175000017500000000000012504170237013256 500000000000000netdiscover-0.3-pre-beta7/src/fhandle.c0000644000175000017500000000370712504161042014744 00000000000000/*************************************************************************** * fhandle.c * * Thu Dec 29 07:04:39 2005 * Copyright 2005 Jaime Pealba Estebanez * jpenalbae@gmail.com ****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include "fhandle.h" /* Read range list from file */ char **fread_list(char *file) { FILE *rl; char **rlist; char line[100]; int lcount = 0; int trim; if ((rl = fopen(file, "r")) == NULL) return NULL; /* Count lines and rewind, kinda lamme... */ while (fgets(line, sizeof(line), rl) != NULL) lcount++; rewind(rl); rlist = (char **) malloc (sizeof(char *) * (lcount + 1)); lcount = 0; /* Read lines again and fill double-linked list */ while (fgets(line, sizeof(line), rl) != NULL) { trim = strlen(line) - 1; while ( trim >= 0 && ( line[trim] == '\r' || line[trim] == '\n' )) { line[trim] = '\0'; trim--; } rlist[lcount] = (char *) malloc (sizeof(char) * (strlen(line) + 1)); snprintf(rlist[lcount], strlen(line) + 1, "%s", line); lcount++; } rlist[lcount] = NULL; fclose(rl); return rlist; } netdiscover-0.3-pre-beta7/src/data_unique.c0000644000175000017500000001507312504161042015641 00000000000000/*************************************************************************** * data_unique.c * * Sat Apr 5 09:36:32 CEST 2008 * Copyright 2008 Jaime Penalba Estebanez * jpenalbae@gmail.com * * Data abstraction layer part for unique hosts ****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include "misc.h" #include "data_al.h" /* Pointers to hold list data */ struct data_registry *first_unique, *last_unique; /* Pointer to handle list */ struct data_registry *current_unique; /* Registry data counter */ struct data_counter unique_count; /* Screen printing buffers */ char line[300], tline[300]; extern char blank[]; /* Initialize required data */ void unique_init() { first_unique = NULL; last_unique = NULL; } /* Used to beging the iteration between registries */ void unique_beginning_registry() { current_unique = first_unique; } /* Go to next registry */ void unique_next_registry(void) { current_unique = current_unique->next; } /* Return current registry mainly to check if its null */ struct data_registry *unique_current_unique(void) { return current_unique; } /* Return hosts count */ int unique_hosts_count(void) { return unique_count.hosts; } /* Print current registry line (for interactive mode) */ void unique_print_line() { int j; sprintf(line, " "); sprintf(tline, " "); /* Set IP */ sprintf(tline, "%s ", current_unique->sip); strcat(line, tline); /* Fill with spaces */ for (j=strlen(line); j<17; j++) strcat(line, blank); /* IP & MAC */ sprintf(tline, "%02x:%02x:%02x:%02x:%02x:%02x ", current_unique->header->smac[0], current_unique->header->smac[1], current_unique->header->smac[2], current_unique->header->smac[3], current_unique->header->smac[4], current_unique->header->smac[5]); strcat(line, tline); /* Count, Length & Vendor */ sprintf(tline, "%5d %7d %s", current_unique->count, current_unique->tlength, current_unique->vendor ); strcat(line, tline); /* Fill again with spaces and cut the string to fit width */ for (j=strlen(line); jfocused == 0) printf("%s\n", line); else printf(KNOWN_COLOR, line); } /* Add new data to the registry list */ void unique_add_registry(struct data_registry *registry) { int i = 0; struct data_registry *new_data; if ( first_unique == NULL ) { /* Duplicate this registry, as the pointer is being used by rep/req al */ new_data = (struct data_registry *) malloc (sizeof(struct data_registry)); *new_data = *registry; unique_count.hosts++; search_mac(new_data); first_unique = new_data; last_unique = new_data; /* Set for printing if parsable_output is enabled */ if (parsable_output) current_unique = new_data; } else { struct data_registry *tmp_registry; tmp_registry = first_unique; /* Check for dupe packets */ while ( tmp_registry != NULL && i != 1 ) { if ( ( strcmp(tmp_registry->sip, registry->sip) == 0 ) && ( memcmp(tmp_registry->header->smac, registry->header->smac, 6) == 0 ) ) { tmp_registry->count++; tmp_registry->tlength += registry->header->length; /* Not required to print if parsable_output is enabled */ if (parsable_output) current_unique = NULL; i = 1; } tmp_registry = tmp_registry->next; } /* Add it if isnt dupe */ if ( i != 1 ) { /* Duplicate this registry, as the pointer is being used by rep/req al */ new_data = (struct data_registry *) malloc (sizeof(struct data_registry)); *new_data = *registry; unique_count.hosts++; search_mac(new_data); last_unique->next = new_data; last_unique = new_data; /* Set for printing if parsable_output is enabled */ if (parsable_output) current_unique = new_data; } } unique_count.pakets++; unique_count.length += registry->header->length; if (parsable_output && current_unique != NULL) { unique_print_line(); fflush(stdout); } } void unique_print_header_sumary(int width) { int j; sprintf(line, " %i Captured ARP Req/Rep packets, from %i hosts. Total size: %i", unique_count.pakets, unique_count.hosts, unique_count.length); printf("%s", line); /* Fill with spaces */ for (j=strlen(line); j #include #include #include #include #include #include #include "screen.h" #include "ifaces.h" #include "data_al.h" #include #include #include #define ARP_REPLY "\x00\x02" #define ARP_REQUEST "\x00\x01" #ifndef ETHER_HDRLEN #define ETHER_HDRLEN 14 #endif #ifndef ETH_HLEN #define ETH_HLEN 14 #endif #ifndef ETH_ALEN #define ETH_ALEN 6 #endif #ifndef IP_ALEN #define IP_ALEN 4 #endif #ifndef ARPOP_REQUEST #define ARPOP_REQUEST 1 #define ARPOP_REPLY 2 #endif /* Shitty globals */ pcap_t *inject; unsigned char smac[] = { 0xCA, 0xFE, 0xCA, 0xFE, 0xCA, 0xFE }; struct p_header *temp_header; /* Start Sniffing on given iface */ void *start_sniffer(void *args) { pcap_t *descr; struct bpf_program fp; struct t_data *datos; char *filter; datos = (struct t_data *)args; /* Open interface */ descr = pcap_open_live(datos->interface, BUFSIZ, 1, PCAP_TOUT, errbuf); if(descr == NULL) { printf("pcap_open_live(): %s\n", errbuf); sighandler(0); // QUIT } /* Set pcap filter */ filter = (datos->pcap_filter == NULL) ? "arp" : datos->pcap_filter; if(pcap_compile(descr, &fp, filter, 0, 0) == -1) { printf("pcap_compile(): %s\n", pcap_geterr(descr)); sighandler(0); // QUIT } pcap_setfilter(descr, &fp); /* Start loop for packet capture */ pcap_loop(descr, -1, (pcap_handler)process_packet, NULL); return NULL; } /* Handle packets recived from pcap_loop */ void process_packet(u_char *args, struct pcap_pkthdr* pkthdr, const u_char* packet) { struct p_header *new_header; new_header = (struct p_header *) malloc (sizeof(struct p_header)); /* Get packet ethernet header data and fill struct */ memcpy(new_header->dmac, packet, 6); /* dest mac */ memcpy(new_header->smac, packet + 6, 6); /* src mac */ new_header->length = pkthdr->len; /* Packet size */ /* Discard packets with our mac as source */ if (memcmp(new_header->smac, smac, 6) != 0) { unsigned char type[2]; memcpy(type, packet + 20, 2); struct data_registry *new_reg; new_reg = (struct data_registry *) malloc (sizeof(struct data_registry)); new_reg->header = new_header; new_reg->tlength = new_header->length; process_arp_header(new_reg, packet); /* Check if its ARP request or reply, and add it to list */ if (memcmp(type, ARP_REPLY, 2) == 0) { new_reg->type = 2; /* Arp Type */ pthread_mutex_lock(data_access); _data_reply.add_registry(new_reg); pthread_mutex_unlock(data_access); } else if (memcmp(type, ARP_REQUEST, 2) == 0) { new_reg->type = 1; /* Arp Type */ pthread_mutex_lock(data_access); _data_request.add_registry(new_reg); pthread_mutex_unlock(data_access); } else { free(new_header); free(new_reg->sip); free(new_reg->dip); free(new_reg); } } } /* Handle arp packet header */ void process_arp_header(struct data_registry *new_reg, const u_char* packet) { /* Populate basic common registry info */ new_reg->count = 1; new_reg->next = NULL; /* Allocate memory for ip addrs */ new_reg->sip = (char *) malloc (sizeof(char) * 16); new_reg->dip = (char *) malloc (sizeof(char) * 16); /* Source IP */ sprintf(new_reg->sip, "%d.%d.%d.%d", packet[28], packet[29], packet[30], packet[31]); /* Destination IP */ sprintf(new_reg->dip, "%d.%d.%d.%d", packet[38], packet[39], packet[40], packet[41]); } /* Get our mac address */ void get_mac(char *disp) { #ifdef __linux__ struct ifreq ifr; size_t if_name_len = strlen(disp); if (if_name_len < sizeof(ifr.ifr_name)) { memcpy(ifr.ifr_name, disp, if_name_len); ifr.ifr_name[if_name_len] = 0; } else { printf("interface name is too long"); exit(1); } int fd = socket(AF_UNIX,SOCK_DGRAM,0); if (fd == -1) { printf("%s", strerror(errno)); exit(1); } if (ioctl(fd,SIOCGIFHWADDR,&ifr) == -1) { int temp_errno = errno; close(fd); printf("%s", strerror(temp_errno)); exit(1); } close(fd); if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) { printf("not an Ethernet interface"); exit(1); } //unsigned char* mac = (unsigned char*) ; memcpy(smac, ifr.ifr_hwaddr.sa_data, ETH_ALEN); #else //printf("Unsuported OS\n"); //exit(1); #endif } /* Init device for libpcap and get mac addr */ void inject_init(char *disp) { char loc_errbuf[PCAP_ERRBUF_SIZE]; /* Open interface for injection */ inject = pcap_open_live(disp, BUFSIZ, 1, PCAP_TOUT, loc_errbuf); if(inject == NULL) { printf("pcap_open_live(): %s\n", loc_errbuf); exit(1); } get_mac(disp); } /* Forge Arp Packet, using libpcap */ void forge_arp(char *source_ip, char *dest_ip, char *disp) { in_addr_t sip, dip; char raw_arp[] = "\xff\xff\xff\xff\xff\xff" // mac destination "\x00\x00\x00\x00\x00\x00" // mac source "\x08\x06" // type "\x00\x01" // hw type "\x08\x00" // protocol type "\x06" // hw size "\x04" // protocol size "\x00\x01" // opcode "\x00\x00\x00\x00\x00\x00" // sender mac "\x00\x00\x00\x00" // sender ip "\xff\xff\xff\xff\xff\xff" // target mac "\x00\x00\x00\x00"; // target ip /* get src & dst ip address */ dip = inet_addr(dest_ip); sip = inet_addr(source_ip); memcpy(raw_arp + 28, (char*) &sip, IP_ALEN); memcpy(raw_arp + 38, (char*) &dip, IP_ALEN); /* set mac addr */ memcpy(raw_arp + 6, smac, ETH_ALEN); memcpy(raw_arp + 22, smac, ETH_ALEN); /* Inject the packet */ pcap_sendpacket(inject, (unsigned char *)raw_arp, sizeof(raw_arp) - 1); } void inject_destroy() { pcap_close(inject); } netdiscover-0.3-pre-beta7/src/misc.h0000644000175000017500000000250112504161042014272 00000000000000/*************************************************************************** * misc.h * * Thu Jul 21 03:19:30 2005 * Copyright 2005 Jaime Penalba Estebanez * jpenalbae@gmail.com ****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _MISC_H #define _MISC_H #include "data_al.h" #ifdef __cplusplus extern "C" { #endif /* Functions */ char *search_vendor(unsigned char[6]); void string_cutter(char *, int); int load_known_mac_table(char *); void search_mac(struct data_registry *); #ifdef __cplusplus } #endif #endif /* _MISC_H */ netdiscover-0.3-pre-beta7/src/data_reply.c0000644000175000017500000001217312504161042015464 00000000000000/*************************************************************************** * data_reply.c * * Sat Apr 5 09:36:32 CEST 2008 * Copyright 2008 Jaime Penalba Estebanez * jpenalbae@gmail.com * * Data abstraction layer part for arp replys ****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include "misc.h" #include "data_al.h" /* Pointers to hold list data */ struct data_registry *first_reply, *last_reply; /* Pointer to handle list */ struct data_registry *current_reply; /* Registry data counter */ struct data_counter reply_count; /* Screen printing buffers */ char line[300], tline[300]; extern char blank[]; /* Initialize required data */ void reply_init() { first_reply = NULL; last_reply = NULL; } /* Used to beging the iteration between registries */ void reply_beginning_registry() { current_reply = first_reply; } /* Go to next registry */ void reply_next_registry(void) { current_reply = current_reply->next; } /* Return current registry mainly to check if its null */ struct data_registry *reply_current_reply(void) { return current_reply; } /* Return hosts count */ int reply_hosts_count(void) { return reply_count.hosts; } /* Print current registry line (for interactive mode) */ void reply_print_line() { int j; sprintf(line, " "); sprintf(tline, " "); /* Set IP */ sprintf(tline, "%s ", current_reply->sip); strcat(line, tline); /* Fill with spaces */ for (j=strlen(line); j<17; j++) strcat(line, blank); /* IP & MAC */ sprintf(tline, "%02x:%02x:%02x:%02x:%02x:%02x ", current_reply->header->smac[0], current_reply->header->smac[1], current_reply->header->smac[2], current_reply->header->smac[3], current_reply->header->smac[4], current_reply->header->smac[5]); strcat(line, tline); /* Count, Length & Vendor */ sprintf(tline, "%5d %7d %s", current_reply->count, current_reply->header->length, current_reply->vendor ); strcat(line, tline); /* Fill again with spaces and cut the string to fit width */ for (j=strlen(line); jfocused == 0) printf("%s\n", line); else printf(KNOWN_COLOR, line); } /* Add new data to the registry list */ void reply_add_registry(struct data_registry *registry) { int i = 0; _data_unique.add_registry(registry); if ( first_reply == NULL ) { reply_count.hosts++; search_mac(registry); first_reply = registry; last_reply = registry; } else { struct data_registry *tmp_registry; tmp_registry = first_reply; /* Check for dupe packets */ while ( tmp_registry != NULL && i != 1 ) { if ( ( strcmp(tmp_registry->sip, registry->sip) == 0 ) && ( memcmp(tmp_registry->header->smac, registry->header->smac, 6) == 0 ) ) { tmp_registry->count++; tmp_registry->header->length += registry->header->length; i = 1; } tmp_registry = tmp_registry->next; } /* Add it if isnt dupe */ if ( i != 1 ) { reply_count.hosts++; search_mac(registry); last_reply->next = registry; last_reply = registry; } } reply_count.pakets++; reply_count.length += registry->header->length; } void reply_print_header_sumary(int width) { int j; sprintf(line, " %i Captured ARP Reply packets, from %i hosts. Total size: %i", reply_count.pakets, reply_count.hosts, reply_count.length); printf("%s", line); /* Fill with spaces */ for (j=strlen(line); j ****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _SCREEN_H #define _SCREEN_H #ifdef __cplusplus extern "C" { #endif #include /* ARP types definitions */ #define NARP_REQUEST 1 #define NARP_REPLY 2 /* Screen modes definitions */ #define SMODE_REPLY 0 #define SMODE_REQUEST 1 #define SMODE_HELP 2 #define SMODE_HOST 3 /* Known Hosts highlight color */ //#define KNOWN_COLOR "\33[42;30m%s\33[0m\n" #define KNOWN_COLOR "\33[1m%s\33[0m\n" /* Ohh no, more globals */ struct winsize win_sz; char *current_network; int parsable_output, continue_listening; /* Screen functions */ void print_screen(); void fill_screen(); void read_key(); void init_screen(); void sighandler(int); #ifdef __cplusplus } #endif #endif /* _SCREEN_H */ netdiscover-0.3-pre-beta7/src/misc.c0000644000175000017500000001234512504164533014304 00000000000000/*************************************************************************** * misc.c * * Thu Jul 21 03:20:02 2005 * Copyright 2005 Jaime Penalba Estebanez * jpenalbae@gmail.com ****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include #include "ifaces.h" #include "fhandle.h" #include "misc.h" #include "oui.h" /* optional table/list of MAC addresses of known hosts */ char **known_mac_table; /* struct ether_addr **split_mac_list(char *string) { int x; int count = 0; char *aux; struct ether_addr **macs; const char delimiters[] = ","; // Count number of items in the string for (x=0; x 0) { known_mac_table[i][0] = '?'; /* WARNING */ i++; continue; } else { /* finish parsing, skip all others lines - ERROR */ break; } } /* Convert mac to upper */ for (j=0; j<12; j++) known_mac_table[i][j] = toupper(known_mac_table[i][j]); /* convert all spaces and tabulator after MAC address into '\0' */ for (j = 12; j < len; j++) { if ((known_mac_table[i][j] == ' ') || (known_mac_table[i][j] == '\t')) known_mac_table[i][j] = '\0'; else break; // first char of hostname } if (j >= len) { printf("WARNING: no host name given in the file! (%s)\n", known_mac_table[i]); sleep(5); /* protection */ known_mac_table[i][13] = '!'; } /* next line */ i++; } // while printf("Parsing known MACs table completed.\n"); return 0; } char *get_known_mac_hostname(char *mac_hostname) { if (strlen(mac_hostname) != 12) { /* error in MACs table content */ return NULL; } /* skip MAC and all '\0' */ mac_hostname += 12; while (*mac_hostname == '\0') mac_hostname++; return mac_hostname; } /* find out known host name */ char *search_known_mac(unsigned char mac[6]) { char tmac[13]; int i; /* protection */ if (known_mac_table == NULL) return NULL; sprintf(tmac, "%02x%02x%02x%02x%02x%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); /* Convert mac to upper */ for (i=0; i<12; i++) tmac[i] = toupper(tmac[i]); i = 0; while (known_mac_table[i] != NULL) { if (strcmp(known_mac_table[i]/*separated MAC*/, tmac) == 0) return get_known_mac_hostname(known_mac_table[i]); i++; } return NULL; } /* First try find out known host name, otherwise use standard vendor */ void search_mac(struct data_registry *registry) { registry->vendor = search_known_mac(registry->header->smac); if (registry->vendor == NULL) { registry->vendor = search_vendor(registry->header->smac); registry->focused = 0; /* unidentified host, vendor used */ } else { registry->focused = 1; /* identified host, hostname used */ } } netdiscover-0.3-pre-beta7/src/data_request.c0000644000175000017500000001264712504161042016027 00000000000000/*************************************************************************** * data_request.c * * Sat Apr 5 09:36:32 CEST 2008 * Copyright 2008 Jaime Penalba Estebanez * jpenalbae@gmail.com * * Data abstraction layer part for arp request ****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include "misc.h" #include "data_al.h" /* Pointers to hold list data */ struct data_registry *request_first, *request_last; /* Pointer to handle list */ struct data_registry *request_current; /* Registry data counter */ struct data_counter request_count; /* Screen printing buffers */ char line[300], tline[300]; extern char blank[]; /* Initialize required data */ void request_init() { request_first = NULL; request_last = NULL; } /* Used to beging the iteration between registries */ void request_beginning_registry() { request_current = request_first; } /* Go to next registry */ void request_next_registry(void) { request_current = request_current->next; } /* Return current registry mainly to check if its null */ struct data_registry *request_current_registry(void) {return request_current;} /* Return hosts count */ int request_hosts_count(void) { return request_count.hosts; } /* Print current registry line (for interactive mode) */ void request_print_line() { int j; sprintf(line, " "); sprintf(tline, " "); /* Get source IP */ sprintf(tline, "%s ", request_current->sip); strcat(line, tline); /* Fill with spaces */ for (j=strlen(line); j<17; j++) strcat(line, blank); /* Get source MAC */ sprintf(tline, "%02x:%02x:%02x:%02x:%02x:%02x ", request_current->header->smac[0], request_current->header->smac[1], request_current->header->smac[2], request_current->header->smac[3], request_current->header->smac[4], request_current->header->smac[5]); strcat(line, tline); /* Get destination IP */ sprintf(tline, "%s", request_current->dip); strcat(line, tline); /* Fill with spaces */ for (j=strlen(line); j<54; j++) strcat(line, blank); /* Count, Length & Vendor */ sprintf(tline, "%5d", request_current->count); strcat(line, tline); /* Fill again with spaces and cut the string to fit width */ for (j=strlen(line); jfocused == 0) printf("%s\n", line); else printf(KNOWN_COLOR, line); } /* Add new data to the registry list */ void request_add_registry(struct data_registry *registry) { int i = 0; _data_unique.add_registry(registry); if ( request_first == NULL ) { request_count.hosts++; search_mac(registry); request_first = registry; request_last = registry; } else { struct data_registry *tmp_request; tmp_request = request_first; /* Check for dupe packets */ while ( tmp_request != NULL && i != 1 ) { if ( ( strcmp(tmp_request->sip, registry->sip) == 0 ) && ( strcmp(tmp_request->dip, registry->dip) == 0 ) && ( memcmp(tmp_request->header->smac, registry->header->smac, 6) == 0 ) ) { tmp_request->count++; tmp_request->header->length += registry->header->length; i = 1; } tmp_request = tmp_request->next; } /* Add it if isnt dupe */ if ( i != 1 ) { request_count.hosts++; search_mac(registry); request_last->next = registry; request_last = registry; } } request_count.pakets++; request_count.length += registry->header->length; } void request_print_header_sumary(int width) { int j; sprintf(line, " %i Captured ARP Request packets, from %i hosts. 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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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define _GNU_SOURCE #define VERSION "0.3-pre-beta7" #include #include #include #include #include #include #include #include "ifaces.h" #include "screen.h" #include "fhandle.h" #include "misc.h" #define RPATH "%s/.netdiscover/ranges" #define FPATH "%s/.netdiscover/fastips" extern void parseable_scan_end(); void *inject_arp(void *arg); void *screen_refresh(void *arg); void *parsable_screen_refresh(void *arg); void scan_range(char *disp, char *sip); void usage(); /* Last octect of ips scaned in fast mode */ /* Add new addr if needed here */ char **fast_ips; char *dfast_ips[] = { "1", "2", "100", "200", "254", NULL}; /* Common local networks to scan */ /* Add new networks if needed here */ char **common_net; char *dcommon_net[] = { "192.168.0.0/16", "172.16.0.0/16", "172.26.0.0/16", "172.27.0.0/16", "172.17.0.0/16", "172.18.0.0/16", "172.19.0.0/16", "172.20.0.0/16", "172.21.0.0/16", "172.22.0.0/16", "172.23.0.0/16", "172.24.0.0/16", "172.25.0.0/16", "172.28.0.0/16", "172.29.0.0/16", "172.30.0.0/16", "172.31.0.0/16", "10.0.0.0/8", NULL }; pthread_t injection, sniffer, screen, keys; /* Command line flags */ int flag_fast_mode; int flag_repeat_scan; int flag_network_octect; int flag_supress_sleep; int flag_ignore_files; int flag_auto_scan; long flag_sleep_time; /* Read control keys */ void *keys_thread(void *arg) { while ( 1 == 1 ) read_key(); } /* main, fetch params and start */ int main(int argc, char **argv) { int c; int flag_passive_mode = 0; int flag_scan_range = 0; int flag_scan_list = 0; int no_parsable_header = 0; char *plist = NULL; char *mlist = NULL; /* Config file handling vars */ char *home, *path; struct t_data datos; /* Some default values for the program options. */ datos.source_ip = NULL; datos.interface = NULL; datos.pcap_filter = NULL; flag_sleep_time = 99; flag_network_octect = 67; flag_repeat_scan = 1; flag_auto_scan = 0; /* Globals defined in screen.h */ parsable_output = 0; continue_listening = 0; current_network = (char *) malloc ((sizeof(char)) * 19); sprintf(current_network, "Starting."); /* Fetch parameters */ while ((c = getopt(argc, argv, "i:s:r:l:m:n:c:F:pSfdPNLh")) != EOF) { switch (c) { case 'i': /* Set the interface */ datos.interface = (char *) malloc (sizeof(char) * (strlen(optarg) + 1)); sprintf(datos.interface, "%s", optarg); break; case 'p': /* Enable passive mode */ flag_passive_mode = 1; break; case 's': /* Set sleep time */ flag_sleep_time = atol(optarg); break; case 'S': /* Enable sleep supression */ flag_supress_sleep = 1; break; case 'c': /* Set no. of times to repeat the scan */ flag_repeat_scan = atoi(optarg); break; case 'n': /* Set las used octect */ flag_network_octect = atoi(optarg); break; case 'r': /* Set the range to scan */ datos.source_ip = (char *) malloc (sizeof(char) * strlen(optarg) + 1); sprintf(datos.source_ip, "%s", optarg); flag_scan_range = 1; break; case 'l': /* Scan ranges on the given file */ plist = (char *) malloc (sizeof(char) * (strlen(optarg) + 1)); sprintf(plist, "%s", optarg); flag_scan_list = 1; break; case 'm': /* Scan MACs on the given file */ mlist = (char *) malloc (sizeof(char) * (strlen(optarg) + 1)); sprintf(mlist, "%s", optarg); break; case 'f': /* Enable fast mode */ flag_fast_mode = 1; break; case 'F': /* Edit pcap filter */ datos.pcap_filter = (char *) malloc (sizeof(char) * (strlen(optarg) + 1)); sprintf(datos.pcap_filter, "%s", optarg); break; case 'd': /* Ignore home config files */ flag_ignore_files = 1; break; case 'P': /* Produces parsable output (vs interactive screen) */ parsable_output = 1; break; case 'N': /* Do not print header under parsable mode */ no_parsable_header = 1; break; case 'L': /* Continue to listen in parsable output mode after active scan is completed */ parsable_output = 1; continue_listening = 1; break; default: printf("\n"); /* continues... */ case 'h': /* Show help */ usage(argv[0]); exit(1); break; } } if (optind < argc) { printf("Invalid extra argument: %s\n\n", argv[optind]); usage(argv[0]); exit(1); } /* Check for uid 0 */ if ( getuid() && geteuid() ) { printf("You must be root to run this.\n"); exit(1); } /* If no iface was specified, autoselect one. exit, if no one available */ if (datos.interface == NULL) { datos.interface = pcap_lookupdev(errbuf); if (datos.interface == NULL) { printf("Couldn't find default device: %s\n", errbuf); exit(1); } } /* Load user config files or set defaults */ home = getenv("HOME"); /* Read user configured ranges if arent disabled */ path = (char *) malloc (sizeof(char) * (strlen(home) + strlen(RPATH) + 1)); sprintf(path, RPATH, home); if (((common_net = fread_list(path)) == NULL) || (flag_ignore_files == 1)) common_net = dcommon_net; free(path); /* Read user configured ips for fast mode if arent disabled */ path = (char *) malloc (sizeof(char) * (strlen(home) + strlen(FPATH) + 1)); sprintf(path, FPATH, home); if(((fast_ips = fread_list(path)) == NULL) || (flag_ignore_files == 1)) fast_ips = dfast_ips; free(path); /* Read range list given by user if specified */ if (flag_scan_list == 1) { if ((common_net = fread_list(plist)) == NULL) { printf("File \"%s\" containing ranges, cannot be read.\n", plist); exit(1); } } /* Read Mac list of known hosts */ if (mlist != NULL) { if (load_known_mac_table(mlist) < 0) { printf("File \"%s\" containing MACs and host names, cannot be read.\n", mlist); exit(1); } } /* Init libnet, data layers and screen */ inject_init(datos.interface); _data_reply.init(); _data_request.init(); _data_unique.init(); init_screen(); /* Init mutex */ data_access = (pthread_mutex_t *)malloc(sizeof (pthread_mutex_t)); pthread_mutex_init(data_access, NULL); /* If no mode was selected, enable auto scan */ if ((flag_scan_range != 1) && (flag_passive_mode != 1)) flag_auto_scan = 1; /* Start the execution */ if (parsable_output) { if (!no_parsable_header) _data_unique.print_simple_header(); } else { system("clear"); pthread_create(&screen, NULL, screen_refresh, (void *)NULL); pthread_create(&keys, NULL, keys_thread, (void *)NULL); } pthread_create(&sniffer, NULL, start_sniffer, (void *)&datos); if (flag_passive_mode == 1) { current_network = "(passive)"; pthread_join(sniffer,NULL); } else { if (pthread_create(&injection, NULL, inject_arp, (void *)&datos)) perror("Could not create injection thread"); pthread_join(sniffer,NULL); } if(datos.pcap_filter != NULL) free(datos.pcap_filter); return 0; } /* Refresh screen function called by screen thread */ void *screen_refresh(void *arg) { while (1==1) { print_screen(); sleep(1); } } /* Start the arp injection on the given network device */ void *inject_arp(void *arg) { struct t_data *datos; datos = (struct t_data *)arg; sleep(2); /* Scan the given range, or start the auto scan mode */ if ( flag_auto_scan != 1 ) { scan_range(datos->interface, datos->source_ip); } else { int x = 0; while (common_net[x] != NULL) { scan_range(datos->interface, common_net[x]); x++; } } /* Wait for last arp replys and mark as scan finished */ sleep(2); sprintf(current_network, "Finished!"); inject_destroy(); /* If parseable output is enabled, print end and exit */ if(parsable_output) parseable_scan_end(); return NULL; } /* Scan 255 hosts network */ void scan_net(char *disp, char *sip) { int x, j; char test[16], fromip[16]; sprintf(fromip,"%s.%i", sip, flag_network_octect); /* Repeat given times */ for (x=0; x255 || *aux != '\0') e = -1; k = strtol(b, &aux, 10); if (k<0 || k>255 || *aux != '\0') e = -1; k = strtol(c, &aux, 10); if (k<0 || k>255 || *aux != '\0') e = -1; k = strtol(d, &aux, 10); if (k<0 || k>255 || *aux != '\0') e = -1; } /* Scan class C network */ if ( e == 24) { sprintf(net, "%s.%s.%s", a, b, c); sprintf(current_network,"%s.0/%i", net, e); scan_net(disp, net); }/* Scan class B network */ else if ( e == 16) { for (i=0; i<256; i++) { sprintf(net, "%s.%s.%i", a, b, i); sprintf(current_network,"%s.%s.%i.0/%i", a, b, i, e); scan_net(disp, net); } } /* Scan class A network */ else if ( e == 8) { for (k=0; k<256; k++) { for (i=0; i<256; i++) { sprintf(net, "%s.%i.%i", a, k, i); sprintf(current_network,"%s.%i.%i.0/%i", a, k, i, e); scan_net(disp, net); } } } else { // system("clear"); printf("\nERROR: Network range must be 0.0.0.0/8 , /16 or /24\n\n"); sighandler(SIGTERM); sleep(5); exit(1); } } /* Print usage instructions */ void usage(char *comando) { printf("Netdiscover %s [Active/passive arp reconnaissance tool]\n" "Written by: Jaime Penalba \n\n" "Usage: %s [-i device] [-r range | -l file | -p] [-m file] [-s time] [-n node] " "[-c count] [-f] [-d] [-S] [-P] [-c]\n" " -i device: your network device\n" " -r range: scan a given range instead of auto scan. 192.168.6.0/24,/16,/8\n" " -l file: scan the list of ranges contained into the given file\n" " -p passive mode: do not send anything, only sniff\n" " -m file: scan the list of known MACs and host names\n" " -F filter: Customize pcap filter expression (default: \"arp\")\n" " -s time: time to sleep between each arp request (miliseconds)\n" " -n node: last ip octet used for scanning (from 2 to 253)\n" " -c count: number of times to send each arp reques (for nets with packet loss)\n" " -f enable fastmode scan, saves a lot of time, recommended for auto\n" " -d ignore home config files for autoscan and fast mode\n" " -S enable sleep time supression betwen each request (hardcore mode)\n" " -P print results in a format suitable for parsing by another program\n" " -N Do not print header. Only valid when -P is enabled.\n" " -L in parsable output mode (-P), continue listening after the active scan is completed\n\n" "If -r, -l or -p are not enabled, netdiscover will scan for common lan addresses.\n", VERSION, comando); } netdiscover-0.3-pre-beta7/src/fhandle.h0000644000175000017500000000227412504161042014747 00000000000000/*************************************************************************** * fhandle.h * * Thu Dec 29 07:05:08 2005 * Copyright 2005 Jaime PeÃąalba Estebanez * jpenalbae@gmail.com ****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _FHANDLE_H #define _FHANDLE_H #ifdef __cplusplus extern "C" { #endif // File handling functions char **fread_list(char *); #ifdef __cplusplus } #endif #endif /* _FHANDLE_H */ netdiscover-0.3-pre-beta7/src/data_al.h0000644000175000017500000000601212504161042014725 00000000000000/*************************************************************************** * data_al.h * * Sat Apr 5 09:36:32 CEST 2008 * Copyright 2008 Jaime Penalba Estebanez * jpenalbae@gmail.com * * Data abstraction layer ****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _DATA_AL_H #define _DATA_AL_H #include #include "screen.h" #ifdef __cplusplus extern "C" { #endif pthread_mutex_t *data_access; /* Holds each data type total counters */ struct data_counter { unsigned int pakets; // Total pakets unsigned int hosts; // Total hosts unsigned int length; // Total length }; /* Holds ethernet headers packet data */ struct p_header { unsigned char smac[6]; // Source MAC unsigned char dmac[6]; // Destination MAC unsigned int length; // Paket length }; /* Holds registry data */ struct data_registry { struct p_header *header; // Ethernet data header char *sip; // Source IP char *dip; // Destination IP char *vendor; // MAC vendor short type; // Paket type unsigned int count; // Total pakets count unsigned int tlength; // Total pakets length char focused; // Focused (colour / bold) struct data_registry *next; // Next registry }; /* Holds data abstraction layer for data types */ struct data_al { void (*init)(void); // Init data void (*beginning_registry)(void); // Go to 1st reg void (*next_registry)(void); // Go to next reg struct data_registry *(*current_registry)(void); // Get current reg void (*print_line)(void); // Print reg line void (*print_header)(int width); // Print scr header void (*add_registry)(struct data_registry *registry); // Add new registry int (*hosts_count)(void); // Get hosts count void (*print_simple_header)(); // Print smp header }; extern const struct data_al _data_reply; extern const struct data_al _data_request; extern const struct data_al _data_unique; #ifdef __cplusplus } #endif #endif /* _DATA_AL_H */ netdiscover-0.3-pre-beta7/src/ifaces.h0000644000175000017500000000421512504161042014575 00000000000000/*************************************************************************** * ifaces.h * * Mon Jun 27 04:56:18 2005 * Copyright 2005 Jaime Penalba Estebanez * jpenalbae@gmail.com * * Contributors: * Parsable output by Guillaume Pratte ****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _IFACES_H #define _IFACES_H #ifdef __cplusplus extern "C" { #endif #include #include #include "data_al.h" /* If system is Solaris */ #if defined(sun) && (defined(__svr4__) || defined(__SVR4)) #define PCAP_TOUT 20 typedef uint64_t u_int64_t; typedef uint32_t u_int32_t; typedef uint16_t u_int16_t; typedef uint8_t u_int8_t; #else #define PCAP_TOUT 0 #endif /* Shitty globals */ char errbuf[PCAP_ERRBUF_SIZE]; /* Threads data structure */ struct t_data { char *interface; char *source_ip; char *pcap_filter; struct ether_addr **ignore_macs; }; /* Sniffer/Packet processing Functions */ void *start_sniffer(void *); void process_arp_header(struct data_registry *, const u_char *); void process_packet(u_char *, struct pcap_pkthdr *, const u_char *); /* ARP Generation & Injection */ void inject_init(char *); void forge_arp(char *, char *, char *); void inject_destroy(); #ifdef __cplusplus } #endif #endif /* _IFACES_H */ netdiscover-0.3-pre-beta7/src/screen.c0000644000175000017500000002154512504161042014622 00000000000000/*************************************************************************** * screen.c * * Tue Jul 12 03:23:41 2005 * Copyright 2005 Jaime Penalba Estebanez * jpenalbae@gmail.com * * Contributors: * Parsable output by Guillaume Pratte ****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* * Thanks to Christophe Devine, aircrack creator, who gave me the * inspiration to make this screen interface. You can see his site * here http://www.cr0.net:8040/code/network/ */ #include #include #include #include #include #include #include #include #include "screen.h" #include "misc.h" #include "ifaces.h" #include "data_al.h" /* Shity globals */ struct termios stored_settings, working_settings; extern pthread_t screen, keys, sniffer, injection; int scroll; int smode, oldmode; char line[300], tline[300]; char blank[] = " "; /* Inits lists with null pointers, sighandlers, etc */ void init_screen() { /* Interface properties */ scroll = 0; smode = SMODE_HOST; /* Set interative mode options if no parsable mode */ if(!parsable_output) { /* Set signal handlers */ signal( SIGCONT, sighandler ); signal( SIGINT, sighandler ); signal( SIGKILL, sighandler ); signal( SIGTERM, sighandler ); signal( SIGHUP, sighandler ); signal( SIGABRT, sighandler ); /* Set console properties to read keys */ tcgetattr(0,&stored_settings); working_settings = stored_settings; working_settings.c_lflag &= ~(ICANON|ECHO); working_settings.c_cc[VTIME] = 0; working_settings.c_cc[VMIN] = 1; tcsetattr(0,TCSANOW,&working_settings); } } /* Handle signals and set terminal */ void sighandler(int signum) { if (parsable_output) { exit(0); } else { if (signum == SIGCONT) { tcsetattr(0,TCSANOW,&working_settings); } else { tcsetattr(0,TCSANOW,&stored_settings); signal(SIGINT, SIG_DFL); signal(SIGTERM, SIG_DFL); pthread_kill(keys, signum); exit(0); } } } /* Check scrolling limit */ int scroll_limit() { const struct data_al *current_data_mode; /* Use corresponding data layer depending on current screen mode */ current_data_mode = NULL; switch (smode) { case SMODE_REPLY: current_data_mode = &_data_reply; break; case SMODE_REQUEST: current_data_mode = &_data_request; break; case SMODE_HOST: current_data_mode = &_data_unique; break; case SMODE_HELP: current_data_mode = &_data_unique; break; } return current_data_mode->hosts_count() - scroll; } /* Read input keys */ void read_key() { int ch, i; ch = getchar(); /* Check for arrow keys */ if ( ch == 27 && (ch = getchar()) == 91) { switch (getchar()) { case 66: ch = 106; break; case 65: ch = 107; break; } } switch (ch) { case 107: // Scroll up if (scroll > 0) scroll--; break; case 106: // Scroll down if (scroll_limit() > 1) scroll++; break; case ',': // Scroll page up for (i = 0; i < win_sz.ws_row - 7; i++) if (scroll > 0) scroll--; break; case '.': // Scroll page down for (i = 0; i < win_sz.ws_row - 7; i++) if (scroll_limit() > 1) scroll++; break; case 114: // Show requests view smode = SMODE_REQUEST; scroll = 0; break; case 97: // Show replies view smode = SMODE_REPLY; scroll = 0; break; case 117: // Show unique hosts view smode = SMODE_HOST; scroll = 0; break; case 113: // Quit if (smode == SMODE_HELP) smode = oldmode; else sighandler(0); break; case 104: // Show help screen if (smode != SMODE_HELP) { oldmode = smode; smode = SMODE_HELP; scroll = 0; } break; } /* Debug code else { printf("\n\nYou pressed %i\n\n", ch); sleep(2); } */ print_screen(); } /* Clear and fill the screen */ void print_screen() { /* Get Console Size */ if (ioctl(0, TIOCGWINSZ, &win_sz) < 0) { win_sz.ws_row = 24; win_sz.ws_col = 80; } /* Flush and print screen */ fprintf( stderr, "\33[1;1H" ); pthread_mutex_lock(data_access); fill_screen(); pthread_mutex_unlock(data_access); fprintf( stderr, "\33[J" ); fflush(stdout); } /* Print header line containing scanning and current screen mode */ void print_status_header() { int j; char *current_smode = NULL; switch (smode) { case SMODE_REPLY: current_smode = "ARP Reply"; break; case SMODE_REQUEST: current_smode = "ARP Request"; break; case SMODE_HOST: current_smode = "Unique Hosts"; break; case SMODE_HELP: current_smode = "Help"; break; } sprintf(line, " Currently scanning: %s | Screen View: %s", current_network, current_smode); printf("%s", line); /* Fill with spaces */ for (j=strlen(line); jprint_header(win_sz.ws_col); /* Print screen main data */ if (smode != SMODE_HELP) { int x = 0; current_data_mode->beginning_registry(); while (current_data_mode->current_registry() != NULL) { if (x >= scroll) current_data_mode->print_line(); current_data_mode->next_registry(); x++; /* Check if end of screen was reached */ if (x >= ( (win_sz.ws_row + scroll) - 7)) break; } } else if(smode == SMODE_HELP) { int i; printf("\t ______________________________________________ \n" "\t | | \n" "\t | \33[1mUsage Keys\33[0m | \n" "\t | h: show this help screen | \n" "\t | j: scroll down (or down arrow) | \n" "\t | k: scroll up (or up arrow) | \n" "\t | .: scroll page up | \n" "\t | ,: scroll page down | \n" "\t | q: exit this screen or end | \n" "\t | | \n" "\t | \33[1mScreen views\33[0m | \n" "\t | a: show arp replys list | \n" "\t | r: show arp requests list | \n" "\t | u: show unique hosts detected | \n" "\t | | \n" "\t ---------------------------------------------- \n"); for (i=25; ioui.txt # # Syntax: oui.txt2oui.h_netdiscover # # Script generate src/oui.h file. # # 16-May-2009 Frantisek Hanzlik (Original author) # 07-Jun-2001 Larry Reznick (fixes & code clean) #********************************************************************** # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # JA=${0##*/} DATE=$(date +'%Y%m%d') ORIGF=oui.txt DSTD=src DSTF=oui.h URL="http://standards.ieee.org/develop/regauth/oui/oui.txt" TMPF=$ORIGF-$DATE AWK="gawk" #AWK="mawk" #AWK="awk" [ -d "$DSTD" ] || { echo "$JA: Destdir \"$DSTD\" not exist!"; exit 1; } #if ! [ -f "$TMPF" -a -s "$TMPF" ]; then # echo "Trying download \"$ORIGF\" with lynx..." # if ! lynx -source $URL >"$TMPF"; then # echo "Trying download \"$ORIGF\" with elinks..." # if ! elinks -source $URL >"$TMPF"; then # echo "Trying download \"$ORIGF\" with wget..." # if ! wget --quiet --output-document="$TMPF" $URL; then # echo "$JA: Cann't obtain \"$URL\"!" # exit 1 # fi # fi # fi #else # echo "\"$TMPF\" already exist, skipping download..." #fi if ! [ -f "$TMPF" -a -s "$TMPF" ]; then echo -n "Trying download \"$ORIGF\" with lynx..." if [[ -x /usr/bin/lynx ]]; then lynx -source $URL >"$TMPF" else echo -n " with elinks..." if [[ -x /usr/bin/elinks ]]; then elinks -source $URL >"$TMPF" else echo " with wget..." if [[ -x /usr/bin/wget ]]; then wget --quiet --output-document="$TMPF" $URL else if [[ -x /usr/bin/curl ]]; then curl -s $URL >"$TMPF" else echo "$JA: Can't obtain \"$URL\"!" exit 1 fi fi fi fi else echo -n "\"$TMPF\" already exist, skipping download..." fi echo "" echo "Process oui.txt (\"$TMPF\")..." # if RS is null string, then records are separated by blank lines... # but this isn't true in oui.txt LANG=C grep "base 16" $TMPF | sed "s/\"/'/g" | $AWK --re-interval --assign URL="$URL" ' BEGIN { NN = 0; printf( \ "/*\n" \ " * Organizationally Unique Identifier list at date %s\n" \ " * Automatically generated from %s\n" \ " * For Netdiscover by Jaime Penalba\n" \ " *\n" \ " */\n" \ "\n" \ "struct oui {\n" \ " char *prefix; /* 24 bit global prefix */\n" \ " char *vendor; /* Vendor id string */\n" \ "};\n" \ "\n" \ "struct oui oui_table[] = {\n", strftime("%d-%b-%Y"), URL); } { printf(" { \"%s\", \"", $1); for (i=4; i"$DSTD/$DSTF" if [ $? -ne 0 ]; then echo "$JA: $TMPF parsing error !" exit 1 else echo "All OK" ls -oh oui.txt-* src/oui.h fi netdiscover-0.3-pre-beta7/aclocal.m40000644000175000017500000012166112504161443014255 00000000000000# generated automatically by aclocal 1.14.1 -*- Autoconf -*- # Copyright (C) 1996-2013 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) m4_ifndef([AC_AUTOCONF_VERSION], [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, [m4_warning([this file was generated for autoconf 2.69. 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We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvisualcpp fi if test "$depmode" = msvc7msys; then # This is just like msvc7 but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvc7 fi if test "$depmode" = xlc; then # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. gccflag=-qmakedep=gcc,-MF depmode=gcc fi case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. ## Unfortunately, FreeBSD c89 acceptance of flags depends upon ## the command line argument order; so add the flags where they ## appear in depend2.am. Note that the slowdown incurred here ## affects only configure: in makefiles, %FASTDEP% shortcuts this. for arg do case $arg in -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; *) set fnord "$@" "$arg" ;; esac shift # fnord shift # $arg done "$@" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. ## (see the conditional assignment to $gccflag above). ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). Also, it might not be ## supported by the other compilers which use the 'gcc' depmode. ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The second -e expression handles DOS-style file names with drive # letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the "deleted header file" problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. ## Some versions of gcc put a space before the ':'. On the theory ## that the space means something, we add a space to the output as ## well. hp depmode also adds that space, but also prefixes the VPATH ## to the object. Take care to not repeat it in the output. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; sgi) if test "$libtool" = yes; then "$@" "-Wp,-MDupdate,$tmpdepfile" else "$@" -MDupdate "$tmpdepfile" fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files echo "$object : \\" > "$depfile" # Clip off the initial element (the dependent). Don't try to be # clever and replace this with sed code, as IRIX sed won't handle # lines with more than a fixed number of characters (4096 in # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; # the IRIX cc adds comments like '#:fec' to the end of the # dependency line. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ | tr "$nl" ' ' >> "$depfile" echo >> "$depfile" # The second pass generates a dummy entry for each header file. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" ;; xlc) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; aix) # The C for AIX Compiler uses -M and outputs the dependencies # in a .u file. In older versions, this file always lives in the # current directory. Also, the AIX compiler puts '$object:' at the # start of each line; $object doesn't have directory information. # Version 6 uses the directory in both cases. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.u tmpdepfile2=$base.u tmpdepfile3=$dir.libs/$base.u "$@" -Wc,-M else tmpdepfile1=$dir$base.u tmpdepfile2=$dir$base.u tmpdepfile3=$dir$base.u "$@" -M fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done aix_post_process_depfile ;; tcc) # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 # FIXME: That version still under development at the moment of writing. # Make that this statement remains true also for stable, released # versions. # It will wrap lines (doesn't matter whether long or short) with a # trailing '\', as in: # # foo.o : \ # foo.c \ # foo.h \ # # It will put a trailing '\' even on the last line, and will use leading # spaces rather than leading tabs (at least since its commit 0394caf7 # "Emit spaces for -MD"). "$@" -MD -MF "$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. # We have to change lines of the first kind to '$object: \'. sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" # And for each line of the second kind, we have to emit a 'dep.h:' # dummy dependency, to avoid the deleted-header problem. sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" rm -f "$tmpdepfile" ;; ## The order of this option in the case statement is important, since the ## shell code in configure will try each of these formats in the order ## listed in this file. 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Use a locking strategy to avoid stomping on # the same $tmpdepfile. lockdir=$base.d-lock trap " echo '$0: caught signal, cleaning up...' >&2 rmdir '$lockdir' exit 1 " 1 2 13 15 numtries=100 i=$numtries while test $i -gt 0; do # mkdir is a portable test-and-set. if mkdir "$lockdir" 2>/dev/null; then # This process acquired the lock. "$@" -MD stat=$? # Release the lock. rmdir "$lockdir" break else # If the lock is being held by a different process, wait # until the winning process is done or we timeout. while test -d "$lockdir" && test $i -gt 0; do sleep 1 i=`expr $i - 1` done fi i=`expr $i - 1` done trap - 1 2 13 15 if test $i -le 0; then echo "$0: failed to acquire lock after $numtries attempts" >&2 echo "$0: check lockdir '$lockdir'" >&2 exit 1 fi if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each line is of the form `foo.o: dependent.h', # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. # Do two passes, one to just change these to # `$object: dependent.h' and one to simply `dependent.h:'. sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" # Some versions of the HPUX 10.20 sed can't process this invocation # correctly. Breaking it into two sed invocations is a workaround. sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp2) # The "hp" stanza above does not work with aCC (C++) and HP's ia64 # compilers, which have integrated preprocessors. 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It can also be used on switched networks. Built on top of libnet and libpcap, it can passively detect online hosts or search for them by sending arp requests. .PP Furthermore, it can be used to inspect your network's arp traffic, or find network addresses using auto scan mode, which will scan for common local networks. .SH OPTIONS .TP \fB\-i\fR device The network interface to sniff and inject packets. If no interface is specified, first available will be used. .TP \fB\-r\fR range Scan a given range instead of auto scan. Valid range values area for example: 192.168.0.0/24, 192.168.0.0/16 or 192.168.0.0/8. .TP \fB\-l\fR file Scan ranges contained on the given file, it must contain one range per line. .TP \fB\-p\fR Enable passive mode. In passive mode, netdiscover does not send anything, but does only sniff. .TP \fB\-s\fR time Sleep given time in milliseconds between each arp request injection. (default 1) .TP \fB\-c\fR count Number of times to send each arp request. Useful for networks with packet loss, so it will scan given times for each host. .TP \fB\-n\fR node Last ip octet of the source ip used for scanning. You can change it if the default host is already used. (allowed range: 2 to 253, default 66) .TP \fB\-S\fR Enable sleep time suppression between each request. If set, netdiscover will sleep after having scanned 255 hosts instead of sleeping after each one. This mode was used in netdiscover 0.3 beta4 and before. Avoid this option in networks with packet loss, or in wireless networks with low signal level. (also called hardcore mode) .TP \fB\-f\fR Enable fast mode scan. This will only scan for .1, .100 and .254 on each network. This mode is usefull while searching for ranges being used. After you found such range you can make a specific range scan to find online boxes. .TP \fB\-d\fR Ignore configuration files at home dir, this will use defaults ranges and ips for autoscan and fast mode. See below for information about configuration files. .TP \fB\-P\fR Produces output suitable to be redirected into a file or be parsed by another program, instead of using interactive mode. Enabling this option, netdiscover will stop after scanning given ranges. .TP \fB\-L\fR When using -P, continue program execution after the active scan phase to capture ARP packets passively. .SH USAGE If passive mode (-p), scan list (-l) or scan range (-r) options arent enabled, netdiscover will scan for common lan addresses. .PP Screen control keys .TP \fBh\fR Show help screen .TP \fBj\fR Scroll down (or down arrow) .TP \fBk\fR Scroll up (or up arrow) .TP \fBa\fR Show arp replys list .TP \fBr\fR Show arp requests list .TP \fBq\fR Close help screen or end application .SH CONFIG FILES There are 2 configuration files that netdiscover will look for, each time it is executed, if file doesnt exist it will use default values. You can use the -d switch to disable reading and loading configuration files. .TP \fB~/.netdiscover/ranges\fR This file contains a list of ranges (one per line) used for auto scan mode instead of default ranges. By default netdiscover will use a list of common ranges used on local networks. Example:\fR 192.168.21.0/24 172.26.0.0/16 10.0.0.0/8 .TP \fB~/.netdiscover/fastips\fR List contaning the last octect of the ips to be scanned on each subnet, when using fast mode, by default (1,100,154). Example:\fR 1 10 25 254 .SH AUTHOR netdiscover was written by Jaime Penalba Estebanez. .PP This manual page was originally written by Nicolas Weyland, for the Debian project. This man page has been merged into netdiscover project, and modified from the original. netdiscover-0.3-pre-beta7/INSTALL0000644000175000017500000002713612504161042013443 00000000000000Installation Instructions ************************* Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. This file is free documentation; the Free Software Foundation gives unlimited permission to copy, distribute and modify it. Basic Installation ================== Briefly, the shell commands `./configure; make; make install' should configure, build, and install this package. The following more-detailed instructions are generic; see the `README' file for instructions specific to this package. 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, and a file `config.log' containing compiler output (useful mainly for debugging `configure'). It can also use an optional file (typically called `config.cache' and enabled with `--cache-file=config.cache' or simply `-C') that saves the results of its tests to speed up reconfiguring. Caching is disabled by default to prevent problems with accidental use of stale cache files. 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 you are using the cache, and at some point `config.cache' contains results you don't want to keep, you may remove or edit it. The file `configure.ac' (or `configure.in') is used to create `configure' by a program called `autoconf'. You need `configure.ac' 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. Running `configure' might take 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'. 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The `short' variant lists options used only in the top level, while the `recursive' variant lists options also present in any nested packages. `--version' `-V' Print the version of Autoconf used to generate the `configure' script, and exit. `--cache-file=FILE' Enable the cache: use and save the results of the tests in FILE, traditionally `config.cache'. FILE defaults to `/dev/null' to disable caching. `--config-cache' `-C' Alias for `--cache-file=config.cache'. `--quiet' `--silent' `-q' Do not print messages saying which checks are being made. To suppress all normal output, redirect it to `/dev/null' (any error messages will still be shown). `--srcdir=DIR' Look for the package's source code in directory DIR. Usually `configure' can determine that directory automatically. `--prefix=DIR' Use DIR as the installation prefix. *Note Installation Names:: for more details, including other options available for fine-tuning the installation locations. `--no-create' `-n' Run the configure checks, but stop before creating any output files. `configure' also accepts some other, not widely useful, options. 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It can be also used on hub/switched networks. Built on top of libnet and libpcap, it can passively detect online hosts, or search for them, by actively sending arp requests, it can also be used to inspect your network arp traffic, and find network addresses using auto scan mode, which will scan for common local networks. %prep %setup %build if [ ! -f configure ] then ./autogen.sh fi %configure2_5x %make %install %makeinstall rm -rf $RPM_BUILD_ROOT/usr/doc %clean rm -rf $RPM_BUILD_ROOT %files %defattr(-,root,root) %doc ChangeLog README AUTHORS INSTALL NEWS TODO %dir %{_sbindir}/netdiscover %dir %{_mandir} %{_mandir}/* %changelog * Thu Apr 26 2006 Francis Giraldeau - 0.3beta7-20060404cvs - Correction of installation directories * Mon Mar 27 2006 Francis Giraldeau - 0.3beta6-20060223cvs - Initial writing netdiscover-0.3-pre-beta7/rpm/redhat.spec0000644000175000017500000000303312504161042015321 00000000000000%define name netdiscover %define version 0.3beta7 %define release 20060502cvs Summary: A network address discovering/monitoring tool Name: %{name} Version: %{version} Release: %{release} Source0: %{name}-%{version}.tar.bz2 License: GPL Group: Networking/Other BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-buildroot BuildArch: i586 URL: http://nixgeneration.com/~jaime/netdiscover/ %description Netdiscover is an active/passive address reconnaissance tool, mainly developed for those wireless networks without dhcp server, when you are wardriving. It can be also used on hub/switched networks. Built on top of libnet and libpcap, it can passively detect online hosts, or search for them, by actively sending arp requests, it can also be used to inspect your network arp traffic, and find network addresses using auto scan mode, which will scan for common local networks. %prep %setup %build if [ ! -f configure ] then ./autogen.sh fi %configure make %install %makeinstall rm -rf $RPM_BUILD_ROOT/usr/doc %clean rm -rf $RPM_BUILD_ROOT %files %defattr(-,root,root) %doc ChangeLog README AUTHORS INSTALL NEWS TODO %dir %{_sbindir}/netdiscover %dir %{_mandir} %{_mandir}/* %changelog * Tue May 2 2006 Jaime Peņalba - 0.3beta7-20060502cvs - Modified for RedHat/Fedora * Thu Apr 26 2006 Francis Giraldeau - 0.3beta7-20060404cvs - Correction of installation directories * Mon Mar 27 2006 Francis Giraldeau - 0.3beta6-20060223cvs - Initial writing netdiscover-0.3-pre-beta7/ChangeLog0000644000175000017500000001146412504161042014161 00000000000000Netdiscover 0.3-beta7 (Currently working on it) * update-oui-database.sh script modified to work with latest oui.txt * Larry Reznick : oui script fixes for redhat and code reformatting to make it more readable including manpage * Emanuele Acri : Libnet injection replaced by pcap * Frantisek Hanzlik : oui script speed drastically improved * Janusz Uzycki : Scroll page up/down feature added * Janusz Uzycki : Known hosts list feature * Janusz Uzycki : Fix for undefined docdir * Several variable naming changes * Autotools scripts updated * Fixed scroll limits & some screen improvements * Fixed crash when freeing common ranges list at end of scan * New data abstraction layer added to handle diferent view modes * Included script to update oui database. * Added custom pcap filter option. Patch by Gustavo Chain. * Some code layout clean. * Several fixes to avoid potential buffer overflows. Patch by Alex. * fhandle.c fixed to be able to handle ms-dos line format. Patch by Alex. * Some ranges not working through -r option fixed. Patch by Alex. * Improved network addresses sanity checks, thanks to Alex. * Netmask will be setup to /24 by default if its omited, thanks to Alex. * Added .2 .200 hosts to be scanned on fast mode, thanks again to Alex. * Some unnecessary mallocs where removed to prevent memory leaks, thanks to Alex (SuD) for the patch. * Hang when "h" is pressed twice fixed * Madriva and RedHat rpm .spec files added, thanks to Francis Giraldeau and Guillaume Pratte for the contribution * Buffer overflow on search_vendor fixed, thanks to Guillaume Pratte * Solaris bus error when freeing a pointer returned by getenv fixed * Added parsable output thanks to Guillaume Pratte for the patch * Added support to read ranges from a given file using -l switch * Manpage updated with new features and some examples * Added support to read user config files for ranges and fasmode lists * MAC vendors list updated * Hang on Ctrl+C fixed, thanks to Alex (SuD) for the patch * Improved argument handling, thanks to Alex (SuD) for reporting Netdiscover 0.3-beta6 * Changed installation path to sbin * Added man page, Thanks to Nicolas Weyland * Added help screen (pressing "h" while running) * Added new screen to display arp request * Fixed screen refresh/display problems * Improved screen interface to display large hosts lists, j/k or up/down arrow keys can now be used to scroll * Fixed packet length count display Netdiscover 0.3-beta5 * Now arp request sender data is added to the stations list * Improved sniffer packet processing code * Major code cleaning / commenting done * If no interface is specified will autoselect firstone available * Better error handling, including interface and uid checking Netdiscover 0.3-beta4 * Fixed header checks on configure.in, thanks to Charlie Brady for reporting * Supress sleep time between each arp request, instead sleep between each network scanned, also called the hardcore mode :) (like in older betas) * Added request count option (-c switch) * Some screen display changes * Supports decimal sleep times * Some changes to support gcc 2.95 * Added customizable array for ips scanned on fast mode * Some changes made arround scanning loops, and sleep time, the scan will be slower by default, but safer (longer sleeps to avoid packet loss) * Changed usage parameters, to easyer way (thanks to SuD for the idea) Netdiscover 0.3-beta3 * Completing documentation for 0.3 final release * Added support to change last octet of scanning host (option "n") * Solaris and OpenBSD support added, also must work on other unixes * Improved configure.in, now checks the system, libnet.h and pcap.h Netdiscover 0.3-beta2 * Added mac vendor database, and identifing Netdiscover 0.3-beta1 * Added other thread for screen refresh, also refresh time as parameter * Fast scan mode, will only scan for .1, .100 and .254 of each network * Improved arp packet forgery, now doesnt lose packets * No more lamme ip changing at given interface, now you can browse while scanning, and ioctls where removed * A lot more of fixes for portability Netdiscover 0.2 beta (July 17, 2005) * Added getopt for parameter handling * Sleep time parameter added * New passive mode detection * New /8, /16, /24 scan mode * New auto scan mode * Added packet counters * Scan progress added * Nicer interface (no more scrolling!) * Ignore packets with our mac address as source Netdiscover 0.1 beta (July 11, 2005) * First beta version released