print-enc.c revision 1.2 
1/*	$OpenBSD: print-enc.c,v 1.7 2002/02/19 19:39:40 millert Exp $	*/
2
3/*
4 * Copyright (c) 1990, 1991, 1993, 1994, 1995, 1996
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that: (1) source code distributions
9 * retain the above copyright notice and this paragraph in its entirety, (2)
10 * distributions including binary code include the above copyright notice and
11 * this paragraph in its entirety in the documentation or other materials
12 * provided with the distribution, and (3) all advertising materials mentioning
13 * features or use of this software display the following acknowledgement:
14 * ``This product includes software developed by the University of California,
15 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
16 * the University nor the names of its contributors may be used to endorse
17 * or promote products derived from this software without specific prior
18 * written permission.
19 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
20 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22 */
23
24#include <sys/cdefs.h>
25#ifndef lint
26#if 0
27static const char rcsid[] _U_ =
28    "@(#) Header: /tcpdump/master/tcpdump/print-enc.c,v 1.6 2008-11-18 07:35:32 guy Exp (LBL)";
29#else
30__RCSID("$NetBSD: print-enc.c,v 1.2 2010/12/05 05:11:30 christos Exp $");
31#endif
32#endif
33
34#ifdef HAVE_CONFIG_H
35#include "config.h"
36#endif
37
38#include <tcpdump-stdinc.h>
39
40#include <pcap.h>
41
42#include "interface.h"
43#include "extract.h"
44#include "addrtoname.h"
45
46#include "enc.h"
47
48#define ENC_PRINT_TYPE(wh, xf, nam) \
49	if ((wh) & (xf)) { \
50		printf("%s%s", nam, (wh) == (xf) ? "): " : ","); \
51		(wh) &= ~(xf); \
52	}
53
54u_int
55enc_if_print(const struct pcap_pkthdr *h, register const u_char *p)
56{
57	register u_int length = h->len;
58	register u_int caplen = h->caplen;
59	int flags;
60	const struct enchdr *hdr;
61
62	if (caplen < ENC_HDRLEN) {
63		printf("[|enc]");
64		goto out;
65	}
66
67	hdr = (struct enchdr *)p;
68	flags = hdr->flags;
69	if (flags == 0)
70		printf("(unprotected): ");
71	else
72		printf("(");
73	ENC_PRINT_TYPE(flags, M_AUTH, "authentic");
74	ENC_PRINT_TYPE(flags, M_CONF, "confidential");
75	/* ENC_PRINT_TYPE(flags, M_TUNNEL, "tunnel"); */
76	printf("SPI 0x%08x: ", EXTRACT_32BITS(&hdr->spi));
77
78	length -= ENC_HDRLEN;
79	caplen -= ENC_HDRLEN;
80	p += ENC_HDRLEN;
81
82	switch (hdr->af) {
83	case AF_INET:
84		ip_print(gndo, p, length);
85		break;
86#ifdef INET6
87	case AF_INET6:
88		ip6_print(p, length);
89		break;
90#endif /*INET6*/
91	}
92
93out:
94	return (ENC_HDRLEN);
95}
96
97
98/*
99 * Local Variables:
100 * c-style: whitesmith
101 * c-basic-offset: 8
102 * End:
103 */
104