/* $OpenBSD: print-ripng.c,v 1.1 2000/04/26 21:35:42 jakob Exp $ */ /* * 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 */