tests/common.h

   1 /* -*- mode: c; c-file-style: "openbsd" -*- */
   2 /*
   3  * Copyright (c) 2015 Vincent Bernat <bernat@luffy.cx>
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #ifndef _COMMON_H
  19 #define _COMMON_H
  20
  21 #include "check-compat.h"
  22 #include "../src/daemon/lldpd.h"
  23
  24 /* See:
  25  * http://wiki.wireshark.org/Development/LibpcapFileFormat
  26  */
  27 struct pcap_hdr {
  28         u_int32_t magic_number;   /* magic number */
  29         u_int16_t version_major;  /* major version number */
  30         u_int16_t version_minor;  /* minor version number */
  31         u_int32_t thiszone;       /* GMT to local correction */
  32         u_int32_t sigfigs;        /* accuracy of timestamps */
  33         u_int32_t snaplen;        /* max length of captured packets, in octets */
  34         u_int32_t network;        /* data link type */
  35 };
  36 struct pcaprec_hdr {
  37         u_int32_t ts_sec;         /* timestamp seconds */
  38         u_int32_t ts_usec;        /* timestamp microseconds */
  39         u_int32_t incl_len;       /* number of octets of packet saved in file */
  40         u_int32_t orig_len;       /* actual length of packet */
  41 };
  42
  43 struct packet {
  44         TAILQ_ENTRY(packet) next;
  45         int size;
  46         char data[];
  47 };
  48 TAILQ_HEAD(pkts_t, packet);
  49
  50 extern int dump;                /* Dump file descriptor in pcap format */
  51 extern char filenameprefix[];   /* Prefix for filename dumping */
  52 extern char *filename;          /* Filename we are dumping to */
  53 extern char macaddress[];         /* MAC address we use to send */
  54
  55 extern struct pkts_t pkts; /* List of sent packets */
  56 extern struct lldpd_hardware hardware;
  57 extern struct lldpd_chassis chassis;
  58
  59 int pcap_send(struct lldpd *, struct lldpd_hardware *, char *, size_t);
  60 void pcap_setup();
  61 void pcap_teardown();
  62
  63 #endif