mirror of
https://github.com/the-tcpdump-group/tcpdump.git
synced 2024-11-30 13:34:04 +08:00
c9d84d15c5
Hope I did not break anything. Portability on IPv4-only node needs checking, I'll do this very soon. (sorry for rather jumbo commit) XXx what is _FAVOR_BSD?
124 lines
3.4 KiB
C
124 lines
3.4 KiB
C
/*
|
|
* Copyright (c) 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-rip.c,v 2.1 1995/02/03 18:15:05 polk Exp (LBL)";
|
|
#endif
|
|
|
|
#ifdef INET6
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <netinet/in.h>
|
|
#include <netinet/in_systm.h>
|
|
#include <netinet/ip.h>
|
|
#include <netinet/ip_var.h>
|
|
#include <netinet/udp.h>
|
|
#include <netinet/udp_var.h>
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
|
|
#include <netinet/ip6.h>
|
|
|
|
#include "route6d.h"
|
|
#include "interface.h"
|
|
#include "addrtoname.h"
|
|
|
|
static int
|
|
rip6_entry_print(register const struct netinfo6 *ni, int metric)
|
|
{
|
|
int l;
|
|
l = printf("%s/%d", ip6addr_string(&ni->rip6_dest), ni->rip6_plen);
|
|
if (ni->rip6_tag)
|
|
l += printf(" [%d]", ntohs(ni->rip6_tag));
|
|
if (metric)
|
|
l += printf(" (%d)", ni->rip6_metric);
|
|
return l;
|
|
}
|
|
|
|
void
|
|
ripng_print(const u_char *dat, int length)
|
|
{
|
|
register const struct rip6 *rp = (struct rip6 *)dat;
|
|
register const struct netinfo6 *ni;
|
|
register int amt = snapend - dat;
|
|
register int i = min(length, amt) -
|
|
(sizeof(struct rip6) - sizeof(struct netinfo6));
|
|
int j;
|
|
int trunc;
|
|
|
|
if (i < 0)
|
|
return;
|
|
|
|
switch (rp->rip6_cmd) {
|
|
|
|
case RIP6_REQUEST:
|
|
j = length / sizeof(*ni);
|
|
if (j == 1
|
|
&& rp->rip6_nets->rip6_metric == HOPCNT_INFINITY6
|
|
&& IN6_IS_ADDR_UNSPECIFIED(&rp->rip6_nets->rip6_dest)) {
|
|
printf(" ripng-req dump");
|
|
break;
|
|
}
|
|
if (j * sizeof(*ni) != length - 4)
|
|
printf(" ripng-req %d[%d]:", j, length);
|
|
else
|
|
printf(" ripng-req %d:", j);
|
|
trunc = ((i / sizeof(*ni)) * sizeof(*ni) != i);
|
|
for (ni = rp->rip6_nets; (i -= sizeof(*ni)) >= 0; ++ni) {
|
|
if (vflag)
|
|
printf("\n\t");
|
|
else
|
|
printf(" ");
|
|
rip6_entry_print(ni, 0);
|
|
}
|
|
break;
|
|
case RIP6_RESPONSE:
|
|
j = length / sizeof(*ni);
|
|
if (j * sizeof(*ni) != length - 4)
|
|
printf(" ripng-resp %d[%d]:", j, length);
|
|
else
|
|
printf(" ripng-resp %d:", j);
|
|
trunc = ((i / sizeof(*ni)) * sizeof(*ni) != i);
|
|
for (ni = rp->rip6_nets; (i -= sizeof(*ni)) >= 0; ++ni) {
|
|
if (vflag)
|
|
printf("\n\t");
|
|
else
|
|
printf(" ");
|
|
rip6_entry_print(ni, ni->rip6_metric);
|
|
}
|
|
if (trunc)
|
|
printf("[|rip]");
|
|
break;
|
|
default:
|
|
printf(" ripng-%d ?? %d", rp->rip6_cmd, length);
|
|
break;
|
|
}
|
|
if (rp->rip6_vers != RIP6_VERSION)
|
|
printf(" [vers %d]", rp->rip6_vers);
|
|
}
|
|
#endif /* INET6 */
|