119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
/* $NetBSD: print-rt6.c,v 1.2 1999/07/04 02:57:51 itojun 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char rcsid[] =
|
|
"@(#) /master/usr.sbin/tcpdump/tcpdump/print-icmp.c,v 2.1 1995/02/03 18:14:42 polk Exp (LBL)";
|
|
#endif
|
|
|
|
#ifdef INET6
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <net/if.h>
|
|
|
|
#include <netinet/in.h>
|
|
#include <netinet/if_ether.h>
|
|
#include <netinet/in_systm.h>
|
|
#include <netinet/ip.h>
|
|
#include <netinet/ip_icmp.h>
|
|
#include <netinet/ip_var.h>
|
|
#include <netinet/udp.h>
|
|
#include <netinet/udp_var.h>
|
|
#include <netinet/tcp.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <netinet/ip6.h>
|
|
|
|
#include "interface.h"
|
|
#include "addrtoname.h"
|
|
|
|
int
|
|
rt6_print(register const u_char *bp, register const u_char *bp2)
|
|
{
|
|
register const struct ip6_rthdr0 *dp;
|
|
register const struct ip6_hdr *ip;
|
|
register const u_char *ep;
|
|
u_long bitmap = 0x0800;
|
|
u_long slmap;
|
|
int i, len;
|
|
|
|
#if 0
|
|
#define TCHECK(var) if ((u_char *)&(var) >= ep - sizeof(var)) goto trunc
|
|
#endif
|
|
|
|
dp = (struct ip6_rthdr0 *)bp;
|
|
ip = (struct ip6_hdr *)bp2;
|
|
len = dp->ip6r0_len;
|
|
|
|
/* 'ep' points to the end of avaible data. */
|
|
ep = snapend;
|
|
|
|
printf("%s > %s: ",
|
|
ip6addr_string(&ip->ip6_src),
|
|
ip6addr_string(&ip->ip6_dst));
|
|
|
|
TCHECK(dp->ip6r0_slmap[2]);
|
|
printf("srcrt (len=%d, ", dp->ip6r0_len);
|
|
printf("type=%d, ", dp->ip6r0_type);
|
|
printf("segleft=%d, ", dp->ip6r0_segleft);
|
|
if (dp->ip6r0_type != 0)
|
|
goto trunc;
|
|
slmap = (dp->ip6r0_slmap[0] << 16)
|
|
| (dp->ip6r0_slmap[1] << 8)
|
|
| (dp->ip6r0_slmap[2]);
|
|
printf("bitmap=");
|
|
for (i = 24; i > 0; i--) {
|
|
if (slmap & bitmap)
|
|
printf("S");
|
|
else
|
|
printf("L");
|
|
bitmap >>= 1;
|
|
}
|
|
if (len % 2 == 1)
|
|
goto trunc;
|
|
len >>= 1;
|
|
printf(", ");
|
|
for (i = 0; i < len; i++) {
|
|
if ((((u_char *)&(dp->ip6r0_reserved)) + sizeof(u_long)
|
|
+ (i<<4)) > ep) goto trunc;
|
|
printf(" [%d]%s", i,
|
|
ip6addr_string(((u_char *)&(dp->ip6r0_reserved)) +
|
|
sizeof(u_long) + (i<<4)));
|
|
if (i != len - 1)
|
|
printf(", ");
|
|
|
|
}
|
|
printf(")");
|
|
return((dp->ip6r0_len + 1) << 3);
|
|
trunc:
|
|
fputs("[|srcrt]", stdout);
|
|
return 65535;
|
|
#undef TCHECK
|
|
}
|
|
#endif /* INET6 */
|