2 * Copyright (c) 1989, 1990, 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
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
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.
23 static const char rcsid[] _U_ =
24 "@(#) $Header: /tcpdump/master/tcpdump/print-ripng.c,v 1.15.2.2 2003/11/16 08:51:42 guy Exp $";
33 #include <tcpdump-stdinc.h>
36 const struct in6_addr in6addr_any; /* :: */
41 IN6_ADDR_EQUAL(const struct in6_addr *a, const struct in6_addr *b)
43 return (memcmp(a, b, sizeof(struct in6_addr)) == 0);
46 #define IN6_IS_ADDR_UNSPECIFIED(a) IN6_ADDR_EQUAL((a), &in6addr_any)
48 #endif /* __MINGW32__ */
53 #include "interface.h"
54 #include "addrtoname.h"
58 rip6_entry_print(register const struct netinfo6 *ni, int metric)
61 l = printf("%s/%d", ip6addr_string(&ni->rip6_dest), ni->rip6_plen);
63 l += printf(" [%d]", EXTRACT_16BITS(&ni->rip6_tag));
65 l += printf(" (%d)", ni->rip6_metric);
70 ripng_print(const u_char *dat, unsigned int length)
72 register const struct rip6 *rp = (struct rip6 *)dat;
73 register const struct netinfo6 *ni;
83 if (i < (sizeof(struct rip6) - sizeof(struct netinfo6)))
85 i -= (sizeof(struct rip6) - sizeof(struct netinfo6));
87 switch (rp->rip6_cmd) {
90 j = length / sizeof(*ni);
92 && rp->rip6_nets->rip6_metric == HOPCNT_INFINITY6
93 && IN6_IS_ADDR_UNSPECIFIED(&rp->rip6_nets->rip6_dest)) {
94 printf(" ripng-req dump");
97 if (j * sizeof(*ni) != length - 4)
98 printf(" ripng-req %d[%u]:", j, length);
100 printf(" ripng-req %d:", j);
101 trunc = ((i / sizeof(*ni)) * sizeof(*ni) != i);
102 for (ni = rp->rip6_nets; i >= sizeof(*ni);
103 i -= sizeof(*ni), ++ni) {
108 rip6_entry_print(ni, 0);
112 j = length / sizeof(*ni);
113 if (j * sizeof(*ni) != length - 4)
114 printf(" ripng-resp %d[%u]:", j, length);
116 printf(" ripng-resp %d:", j);
117 trunc = ((i / sizeof(*ni)) * sizeof(*ni) != i);
118 for (ni = rp->rip6_nets; i >= sizeof(*ni);
119 i -= sizeof(*ni), ++ni) {
124 rip6_entry_print(ni, ni->rip6_metric);
130 printf(" ripng-%d ?? %u", rp->rip6_cmd, length);
133 if (rp->rip6_vers != RIP6_VERSION)
134 printf(" [vers %d]", rp->rip6_vers);