113 lines
3.0 KiB
C
113 lines
3.0 KiB
C
/* $NetBSD: print-rt6.c,v 1.4 2007/07/24 11:53:47 drochner Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that: (1) source code distributions
|
|
* retain the above copyright notice and this paragraph in its entirety, (2)
|
|
* distributions including binary code include the above copyright notice and
|
|
* this paragraph in its entirety in the documentation or other materials
|
|
* provided with the distribution, and (3) all advertising materials mentioning
|
|
* features or use of this software display the following acknowledgement:
|
|
* ``This product includes software developed by the University of California,
|
|
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
|
|
* the University nor the names of its contributors may be used to endorse
|
|
* or promote products derived from this software without specific prior
|
|
* written permission.
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static const char rcsid[] _U_ =
|
|
"@(#) Header: /tcpdump/master/tcpdump/print-rt6.c,v 1.26.2.1 2005/04/20 22:35:11 guy Exp";
|
|
#else
|
|
__RCSID("$NetBSD: print-rt6.c,v 1.4 2007/07/24 11:53:47 drochner Exp $");
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#ifdef INET6
|
|
|
|
#include <tcpdump-stdinc.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#include "ip6.h"
|
|
|
|
#include "interface.h"
|
|
#include "addrtoname.h"
|
|
#include "extract.h"
|
|
|
|
int
|
|
rt6_print(register const u_char *bp, const u_char *bp2 _U_)
|
|
{
|
|
register const struct ip6_rthdr *dp;
|
|
register const struct ip6_rthdr0 *dp0;
|
|
register const u_char *ep;
|
|
int i, len;
|
|
register const struct in6_addr *addr;
|
|
|
|
dp = (struct ip6_rthdr *)bp;
|
|
len = dp->ip6r_len;
|
|
|
|
/* 'ep' points to the end of available data. */
|
|
ep = snapend;
|
|
|
|
TCHECK(dp->ip6r_segleft);
|
|
|
|
printf("srcrt (len=%d", dp->ip6r_len); /*)*/
|
|
printf(", type=%d", dp->ip6r_type);
|
|
printf(", segleft=%d", dp->ip6r_segleft);
|
|
|
|
switch (dp->ip6r_type) {
|
|
#ifndef IPV6_RTHDR_TYPE_0
|
|
#define IPV6_RTHDR_TYPE_0 0
|
|
#endif
|
|
#ifndef IPV6_RTHDR_TYPE_2
|
|
#define IPV6_RTHDR_TYPE_2 2
|
|
#endif
|
|
case IPV6_RTHDR_TYPE_0:
|
|
case IPV6_RTHDR_TYPE_2: /* Mobile IPv6 ID-20 */
|
|
dp0 = (struct ip6_rthdr0 *)dp;
|
|
|
|
TCHECK(dp0->ip6r0_reserved);
|
|
if (dp0->ip6r0_reserved || vflag) {
|
|
printf(", rsv=0x%0x",
|
|
EXTRACT_32BITS(&dp0->ip6r0_reserved));
|
|
}
|
|
|
|
if (len % 2 == 1)
|
|
goto trunc;
|
|
len >>= 1;
|
|
addr = &dp0->ip6r0_addr[0];
|
|
for (i = 0; i < len; i++) {
|
|
if ((u_char *)(addr + 1) > ep)
|
|
goto trunc;
|
|
|
|
printf(", [%d]%s", i, ip6addr_string(addr));
|
|
addr++;
|
|
}
|
|
/*(*/
|
|
printf(") ");
|
|
return((dp0->ip6r0_len + 1) << 3);
|
|
break;
|
|
default:
|
|
goto trunc;
|
|
break;
|
|
}
|
|
|
|
trunc:
|
|
fputs("[|srcrt]", stdout);
|
|
return -1;
|
|
}
|
|
#endif /* INET6 */
|