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
25 static 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
49 u_int
enc_if_print(const struct pcap_pkthdr * h,register const u_char * p)50 enc_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
88 out:
89 return (ENC_HDRLEN);
90 }
91
92
93 /*
94 * Local Variables:
95 * c-style: whitesmith
96 * c-basic-offset: 8
97 * End:
98 */
99