/* $NetBSD: print-rip.c,v 1.4 1995/06/20 23:38:49 christos 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 char rcsid[] = "@(#) Header: print-rip.c,v 1.20 94/06/14 20:18:47 leres Exp (LBL)"; #endif #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 <protocols/routed.h> #include <errno.h> #include <stdio.h> #include "interface.h" #include "addrtoname.h" static void rip_entry_print(register const struct netinfo *ni) { if (ntohs(ni->rip_family) != AF_INET) { register int i; printf(" [family %d:", ntohs(ni->rip_family)); printf(" %04x", ni->rip_dst); printf("]"); } else { struct sockaddr_in sin; sin.sin_addr.s_addr = ni->rip_dst; printf(" %s", ipaddr_string(&sin.sin_addr)); if (ni->rip_tag) printf(" [port %d]", ni->rip_tag); } printf("(%d)", ntohl(ni->rip_metric)); } void rip_print(const u_char *dat, int length) { register const struct rip *rp = (struct rip *)dat; register const struct netinfo *ni; register int amt = snapend - dat; register int i = min(length, amt) - (sizeof(struct rip) - sizeof(struct netinfo)); int j; int trunc; if (i < 0) return; switch (rp->rip_cmd) { case RIPCMD_REQUEST: printf(" rip-req %d", length); break; case RIPCMD_RESPONSE: j = length / sizeof(*ni); if (j * sizeof(*ni) != length - 4) printf(" rip-resp %d[%d]:", j, length); else printf(" rip-resp %d:", j); trunc = ((i / sizeof(*ni)) * sizeof(*ni) != i); for (ni = rp->rip_nets; (i -= sizeof(*ni)) >= 0; ++ni) rip_entry_print(ni); if (trunc) printf("[|rip]"); break; case RIPCMD_TRACEON: printf(" rip-traceon %d: \"%s\"", length, rp->rip_tracefile); break; case RIPCMD_TRACEOFF: printf(" rip-traceoff %d", length); break; case RIPCMD_POLL: printf(" rip-poll %d", length); break; case RIPCMD_POLLENTRY: printf(" rip-pollentry %d", length); break; default: printf(" rip-%d ?? %d", rp->rip_cmd, length); break; } if (rp->rip_vers != RIP_VERSION_1) printf(" [vers %d]", rp->rip_vers); }