print-raw.c revision 111726 
1/*
2 * Copyright (c) 1996
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 */
21
22#ifndef lint
23static const char rcsid[] =
24    "@(#) $Header: /tcpdump/master/tcpdump/print-raw.c,v 1.34.4.1 2002/06/01 23:51:15 guy Exp $ (LBL)";
25#endif
26
27#ifdef HAVE_CONFIG_H
28#include "config.h"
29#endif
30
31#include <sys/param.h>
32#include <sys/time.h>
33#include <sys/socket.h>
34
35#include <netinet/in.h>
36
37#include <pcap.h>
38#include <stdio.h>
39#include <string.h>
40
41#include "addrtoname.h"
42#include "interface.h"
43
44/*
45 * The DLT_RAW packet has no header. It contains a raw IP packet.
46 */
47
48void
49raw_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
50{
51	u_int length = h->len;
52	u_int caplen = h->caplen;
53
54	++infodelay;
55	ts_print(&h->ts);
56
57	/*
58	 * Some printers want to get back at the link level addresses,
59	 * and/or check that they're not walking off the end of the packet.
60	 * Rather than pass them all the way down, we set these globals.
61	 */
62	packetp = p;
63	snapend = p + caplen;
64
65	if (eflag)
66		printf("ip: ");
67
68	ipN_print(p, length);
69
70	if (xflag)
71		default_print(p, caplen);
72	putchar('\n');
73	--infodelay;
74	if (infoprint)
75		info(0);
76}
77