NetBSD/usr.sbin/tcpdump/print-rt6.c
itojun 159487207b add NetBSD RCSID where necessary.
add __RCSID where necessary.
make sure "make lint" does not raise fatal error (print-nfs.c)
1999-09-04 03:36:41 +00:00

124 lines
3.4 KiB
C

/* $NetBSD: print-rt6.c,v 1.3 1999/09/04 03:36:42 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
#if 0
static const char rcsid[] =
"@(#) /master/usr.sbin/tcpdump/tcpdump/print-icmp.c,v 2.1 1995/02/03 18:14:42 polk Exp (LBL)";
#else
#include <sys/cdefs.h>
__RCSID("$NetBSD: print-rt6.c,v 1.3 1999/09/04 03:36:42 itojun Exp $");
#endif
#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 */