print-raw.c revision 75115 
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 1.33 2000/10/06 04:23:13 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#include <sys/file.h>
35#include <sys/ioctl.h>
36
37#include <netinet/in.h>
38
39#include <pcap.h>
40#include <stdio.h>
41#include <string.h>
42
43#include "addrtoname.h"
44#include "interface.h"
45
46/*
47 * The DLT_RAW packet has no header. It contains a raw IP packet.
48 */
49
50void
51raw_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
52{
53	u_int length = h->len;
54	u_int caplen = h->caplen;
55
56	ts_print(&h->ts);
57
58	/*
59	 * Some printers want to get back at the link level addresses,
60	 * and/or check that they're not walking off the end of the packet.
61	 * Rather than pass them all the way down, we set these globals.
62	 */
63	packetp = p;
64	snapend = p + caplen;
65
66	if (eflag)
67		printf("ip: ");
68
69	ipN_print(p, length);
70
71	if (xflag)
72		default_print(p, caplen);
73	putchar('\n');
74}
75