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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 | ||
4dc61015 VB |
18 | #ifndef _COMMON_H |
19 | #define _COMMON_H | |
20 | ||
a0cd2b9a | 21 | #include "check-compat.h" |
4b292b55 | 22 | #include "../src/daemon/lldpd.h" |
4dc61015 VB |
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 */ | |
dedb1eb0 | 54 | |
4dc61015 VB |
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 |