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[] =
24 "@(#) $Header: /tcpdump/master/tcpdump/print-ripng.c,v 1.10 2001/11/16 08:59:22 itojun Exp $";
33 #include <sys/param.h>
35 #include <sys/types.h>
36 #include <sys/socket.h>
38 #include <netinet/in.h>
44 #include "interface.h"
45 #include "addrtoname.h"
48 rip6_entry_print(register const struct netinfo6 *ni, int metric)
51 l = printf("%s/%d", ip6addr_string(&ni->rip6_dest), ni->rip6_plen);
53 l += printf(" [%d]", ntohs(ni->rip6_tag));
55 l += printf(" (%d)", ni->rip6_metric);
60 ripng_print(const u_char *dat, unsigned int length)
62 register const struct rip6 *rp = (struct rip6 *)dat;
63 register const struct netinfo6 *ni;
64 register int amt = snapend - dat;
65 register int i = min(length, amt) -
66 (sizeof(struct rip6) - sizeof(struct netinfo6));
73 switch (rp->rip6_cmd) {
76 j = length / sizeof(*ni);
78 && rp->rip6_nets->rip6_metric == HOPCNT_INFINITY6
79 && IN6_IS_ADDR_UNSPECIFIED(&rp->rip6_nets->rip6_dest)) {
80 printf(" ripng-req dump");
83 if (j * sizeof(*ni) != length - 4)
84 printf(" ripng-req %d[%u]:", j, length);
86 printf(" ripng-req %d:", j);
87 trunc = ((i / sizeof(*ni)) * sizeof(*ni) != i);
88 for (ni = rp->rip6_nets; (i -= sizeof(*ni)) >= 0; ++ni) {
93 rip6_entry_print(ni, 0);
97 j = length / sizeof(*ni);
98 if (j * sizeof(*ni) != length - 4)
99 printf(" ripng-resp %d[%u]:", j, length);
101 printf(" ripng-resp %d:", j);
102 trunc = ((i / sizeof(*ni)) * sizeof(*ni) != i);
103 for (ni = rp->rip6_nets; (i -= sizeof(*ni)) >= 0; ++ni) {
108 rip6_entry_print(ni, ni->rip6_metric);
114 printf(" ripng-%d ?? %u", rp->rip6_cmd, length);
117 if (rp->rip6_vers != RIP6_VERSION)
118 printf(" [vers %d]", rp->rip6_vers);