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/* $OpenBSD: print-ripng.c,v 1.5 2015/11/16 00:16:39 mmcc Exp $ */ |
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/* |
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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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#ifdef INET6 |
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#include <sys/time.h> |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <netinet/ip.h> |
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#include <netinet/ip_var.h> |
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#include <netinet/udp.h> |
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#include <netinet/udp_var.h> |
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#include <errno.h> |
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#include <stdio.h> |
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#include <netinet/ip6.h> |
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#include "route6d.h" |
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#include "interface.h" |
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#include "addrtoname.h" |
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static int |
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rip6_entry_print(const struct netinfo6 *ni, int metric) |
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{ |
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int l; |
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l = printf("%s/%d", ip6addr_string(&ni->rip6_dest), ni->rip6_plen); |
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if (ni->rip6_tag) |
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l += printf(" [%d]", ntohs(ni->rip6_tag)); |
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if (metric) |
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l += printf(" (%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(const u_char *dat, int length) |
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{ |
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const struct rip6 *rp = (struct rip6 *)dat; |
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const struct netinfo6 *ni; |
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int amt = snapend - dat; |
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int i = min(length, amt) - |
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(sizeof(struct rip6) - sizeof(struct netinfo6)); |
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int j; |
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int trunc; |
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if (i < 0) |
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return; |
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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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printf(" 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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printf(" ripng-req %d[%d]:", j, length); |
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else |
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printf(" 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)) >= 0; ++ni) { |
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if (vflag) |
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printf("\n\t"); |
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else |
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printf(" "); |
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rip6_entry_print(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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printf(" ripng-resp %d[%d]:", j, length); |
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else |
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printf(" 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)) >= 0; ++ni) { |
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if (vflag) |
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printf("\n\t"); |
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else |
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printf(" "); |
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rip6_entry_print(ni, ni->rip6_metric); |
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} |
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if (trunc) |
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printf("[|rip]"); |
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break; |
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default: |
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printf(" ripng-%d ?? %d", 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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printf(" [vers %d]", rp->rip6_vers); |
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} |
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#endif /* INET6 */ |