Move tcpdump-3.9/ to tcpdump/. No need for a versioned dir.
[dragonfly.git] / contrib / tcpdump / print-enc.c
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c8cf0f94
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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 1.4 2005/04/06 21:32:39 mcr 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 "addrtoname.h"
39
40#include "enc.h"
41
42#define ENC_PRINT_TYPE(wh, xf, nam) \
43 if ((wh) & (xf)) { \
44 printf("%s%s", nam, (wh) == (xf) ? "): " : ","); \
45 (wh) &= ~(xf); \
46 }
47
48u_int
49enc_if_print(const struct pcap_pkthdr *h, register const u_char *p)
50{
51 register u_int length = h->len;
52 register u_int caplen = h->caplen;
53 int flags;
54 const struct enchdr *hdr;
55
56 if (caplen < ENC_HDRLEN) {
57 printf("[|enc]");
58 goto out;
59 }
60
61 hdr = (struct enchdr *)p;
62 flags = hdr->flags;
63 if (flags == 0)
64 printf("(unprotected): ");
65 else
66 printf("(");
67 ENC_PRINT_TYPE(flags, M_AUTH, "authentic");
68 ENC_PRINT_TYPE(flags, M_CONF, "confidential");
69 /* ENC_PRINT_TYPE(flags, M_TUNNEL, "tunnel"); */
70 printf("SPI 0x%08x: ", (u_int32_t)ntohl(hdr->spi));
71
72 length -= ENC_HDRLEN;
73 /* XXX - use the address family */
74 ip_print(gndo, p + ENC_HDRLEN, length);
75
76out:
77 return (ENC_HDRLEN);
78}
79
80
81/*
82 * Local Variables:
83 * c-style: whitesmith
84 * c-basic-offset: 8
85 * End:
86 */