
For now, printing of Sun RPC requests is disabled because we do not yet have the RPC header files. This should affect basically noone, as we do not have any RPC-based programs yet, for the same reason. Change-Id: Ie7818faaaacdc104d8b2c37a68866b4ce18247d6
182 lines
5.8 KiB
C
182 lines
5.8 KiB
C
/*
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* Copyright (c) 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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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: print-ripng.c,v 1.4 2014/11/20 03:05:03 christos Exp $");
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#endif
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#define NETDISSECT_REWORKED
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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 <tcpdump-stdinc.h>
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#include "interface.h"
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#include "addrtoname.h"
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#include "extract.h"
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/*
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* Copyright (C) 1995, 1996, 1997 and 1998 WIDE Project.
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* 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 the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#define RIP6_VERSION 1
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#define RIP6_REQUEST 1
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#define RIP6_RESPONSE 2
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struct netinfo6 {
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struct in6_addr rip6_dest;
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uint16_t rip6_tag;
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uint8_t rip6_plen;
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uint8_t rip6_metric;
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};
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struct rip6 {
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uint8_t rip6_cmd;
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uint8_t rip6_vers;
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uint8_t rip6_res1[2];
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union {
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struct netinfo6 ru6_nets[1];
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char ru6_tracefile[1];
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} rip6un;
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#define rip6_nets rip6un.ru6_nets
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#define rip6_tracefile rip6un.ru6_tracefile
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};
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#define HOPCNT_INFINITY6 16
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#if !defined(IN6_IS_ADDR_UNSPECIFIED) && !defined(_MSC_VER) /* MSVC inline */
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static int IN6_IS_ADDR_UNSPECIFIED(const struct in6_addr *addr)
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{
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static const struct in6_addr in6addr_any; /* :: */
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return (memcmp(addr, &in6addr_any, sizeof(*addr)) == 0);
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}
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#endif
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static int
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rip6_entry_print(netdissect_options *ndo, register const struct netinfo6 *ni, int metric)
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{
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int l;
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l = ND_PRINT((ndo, "%s/%d", ip6addr_string(ndo, &ni->rip6_dest), ni->rip6_plen));
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if (ni->rip6_tag)
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l += ND_PRINT((ndo, " [%d]", EXTRACT_16BITS(&ni->rip6_tag)));
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if (metric)
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l += ND_PRINT((ndo, " (%d)", ni->rip6_metric));
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return l;
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}
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void
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ripng_print(netdissect_options *ndo, const u_char *dat, unsigned int length)
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{
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register const struct rip6 *rp = (struct rip6 *)dat;
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register const struct netinfo6 *ni;
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register u_int amt;
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register u_int i;
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int j;
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int trunc;
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if (ndo->ndo_snapend < dat)
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return;
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amt = ndo->ndo_snapend - dat;
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i = min(length, amt);
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if (i < (sizeof(struct rip6) - sizeof(struct netinfo6)))
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return;
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i -= (sizeof(struct rip6) - sizeof(struct netinfo6));
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switch (rp->rip6_cmd) {
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case RIP6_REQUEST:
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j = length / sizeof(*ni);
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if (j == 1
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&& rp->rip6_nets->rip6_metric == HOPCNT_INFINITY6
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&& IN6_IS_ADDR_UNSPECIFIED(&rp->rip6_nets->rip6_dest)) {
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ND_PRINT((ndo, " ripng-req dump"));
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break;
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}
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if (j * sizeof(*ni) != length - 4)
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ND_PRINT((ndo, " ripng-req %d[%u]:", j, length));
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else
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ND_PRINT((ndo, " ripng-req %d:", j));
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trunc = ((i / sizeof(*ni)) * sizeof(*ni) != i);
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for (ni = rp->rip6_nets; i >= sizeof(*ni);
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i -= sizeof(*ni), ++ni) {
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if (ndo->ndo_vflag > 1)
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ND_PRINT((ndo, "\n\t"));
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else
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ND_PRINT((ndo, " "));
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rip6_entry_print(ndo, ni, 0);
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}
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break;
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case RIP6_RESPONSE:
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j = length / sizeof(*ni);
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if (j * sizeof(*ni) != length - 4)
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ND_PRINT((ndo, " ripng-resp %d[%u]:", j, length));
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else
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ND_PRINT((ndo, " ripng-resp %d:", j));
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trunc = ((i / sizeof(*ni)) * sizeof(*ni) != i);
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for (ni = rp->rip6_nets; i >= sizeof(*ni);
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i -= sizeof(*ni), ++ni) {
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if (ndo->ndo_vflag > 1)
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ND_PRINT((ndo, "\n\t"));
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else
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ND_PRINT((ndo, " "));
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rip6_entry_print(ndo, ni, ni->rip6_metric);
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}
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if (trunc)
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ND_PRINT((ndo, "[|ripng]"));
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break;
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default:
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ND_PRINT((ndo, " ripng-%d ?? %u", rp->rip6_cmd, length));
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break;
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}
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if (rp->rip6_vers != RIP6_VERSION)
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ND_PRINT((ndo, " [vers %d]", rp->rip6_vers));
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}
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#endif /* INET6 */
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