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ce132b307b
ip6.h is almost normal RFC2292 header. icmp6.h has couple of extensions (not covered by RFC2292), like MLD, ICMPv6 nodeinfo, and router renumber. XXX how to synchronize with future kame changes?
115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
/*
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* Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code distributions
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* retain the above copyright notice and this paragraph in its entirety, (2)
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* distributions including binary code include the above copyright notice and
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* this paragraph in its entirety in the documentation or other materials
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* provided with the distribution, and (3) all advertising materials mentioning
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* features or use of this software display the following acknowledgement:
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* ``This product includes software developed by the University of California,
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* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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* the University nor the names of its contributors may be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#ifndef lint
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static const char rcsid[] =
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"@(#) $Header: /tcpdump/master/tcpdump/print-rt6.c,v 1.16 2000-10-07 05:53:13 itojun Exp $";
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef INET6
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include "ip6.h"
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#include "interface.h"
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#include "addrtoname.h"
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int
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rt6_print(register const u_char *bp, register const u_char *bp2)
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{
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register const struct ip6_rthdr *dp;
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register const struct ip6_rthdr0 *dp0;
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register const struct ip6_hdr *ip;
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register const u_char *ep;
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int i, len;
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dp = (struct ip6_rthdr *)bp;
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ip = (struct ip6_hdr *)bp2;
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len = dp->ip6r_len;
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/* 'ep' points to the end of available data. */
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ep = snapend;
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#if 0
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printf("%s > %s: ",
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ip6addr_string(&ip->ip6_src),
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ip6addr_string(&ip->ip6_dst));
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#endif
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TCHECK(dp->ip6r_segleft);
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printf("srcrt (len=%d", dp->ip6r_len); /*)*/
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printf(", type=%d", dp->ip6r_type);
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printf(", segleft=%d", dp->ip6r_segleft);
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switch (dp->ip6r_type) {
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#ifndef IPV6_RTHDR_TYPE_0
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#define IPV6_RTHDR_TYPE_0 0
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#endif
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case IPV6_RTHDR_TYPE_0:
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dp0 = (struct ip6_rthdr0 *)dp;
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TCHECK(dp0->ip6r0_reserved);
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if (dp0->ip6r0_reserved || vflag) {
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printf(", rsv=0x%0x",
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(u_int32_t)ntohl(dp0->ip6r0_reserved));
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}
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if (len % 2 == 1)
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goto trunc;
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len >>= 1;
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for (i = 0; i < len; i++) {
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struct in6_addr *addr;
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addr = ((struct in6_addr *)(dp0 + 1)) + i;
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if ((u_char *)addr > ep - sizeof(*addr))
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goto trunc;
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printf(", [%d]%s", i, ip6addr_string((u_char *)addr));
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}
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/*(*/
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printf(") ");
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return((dp0->ip6r0_len + 1) << 3);
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break;
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default:
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goto trunc;
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break;
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}
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trunc:
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fputs("[|srcrt]", stdout);
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return 65535; /* XXX */
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}
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#endif /* INET6 */
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