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#ifndef lint
25static const char rcsid[] _U_ =
26    "@(#) $Header: /tcpdump/master/tcpdump/print-enc.c,v 1.6 2008-11-18 07:35:32 guy Exp $ (LBL)";
27#endif
28
29#ifdef HAVE_CONFIG_H
30#include "config.h"
31#endif
32
33#include <tcpdump-stdinc.h>
34
35#include <pcap.h>
36
37#include "interface.h"
38#include "extract.h"
39#include "addrtoname.h"
40
41#include "enc.h"
42
43#define ENC_PRINT_TYPE(wh, xf, nam) \
44	if ((wh) & (xf)) { \
45		printf("%s%s", nam, (wh) == (xf) ? "): " : ","); \
46		(wh) &= ~(xf); \
47	}
48
49u_int
50enc_if_print(const struct pcap_pkthdr *h, register const u_char *p)
51{
52	register u_int length = h->len;
53	register u_int caplen = h->caplen;
54	int flags;
55	const struct enchdr *hdr;
56
57	if (caplen < ENC_HDRLEN) {
58		printf("[|enc]");
59		goto out;
60	}
61
62	hdr = (struct enchdr *)p;
63	flags = hdr->flags;
64	if (flags == 0)
65		printf("(unprotected): ");
66	else
67		printf("(");
68	ENC_PRINT_TYPE(flags, M_AUTH, "authentic");
69	ENC_PRINT_TYPE(flags, M_CONF, "confidential");
70	/* ENC_PRINT_TYPE(flags, M_TUNNEL, "tunnel"); */
71	printf("SPI 0x%08x: ", EXTRACT_32BITS(&hdr->spi));
72
73	length -= ENC_HDRLEN;
74	caplen -= ENC_HDRLEN;
75	p += ENC_HDRLEN;
76
77	switch (hdr->af) {
78	case AF_INET:
79		ip_print(gndo, p, length);
80		break;
81#ifdef INET6
82	case AF_INET6:
83		ip6_print(gndo, p, length);
84		break;
85#endif /*INET6*/
86	}
87
88out:
89	return (ENC_HDRLEN);
90}
91
92
93/*
94 * Local Variables:
95 * c-style: whitesmith
96 * c-basic-offset: 8
97 * End:
98 */
99