+++ /dev/null
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
- * Reserved. This file contains Original Code and/or Modifications of
- * Original Code as defined in and that are subject to the Apple Public
- * Source License Version 1.0 (the 'License'). You may not use this file
- * except in compliance with the License. Please obtain a copy of the
- * License at http://www.apple.com/publicsource and read it before using
- * this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License."
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994, 1995, 1996
- * 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[] =
- "@(#) $Header: /cvs/Darwin/Commands/NeXT/network_cmds/tcpdump.tproj/print-icmp.c,v 1.1.1.1 1999/05/02 03:58:33 wsanchez Exp $ (LBL)";
-#endif
-
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/socket.h>
-
-#if __STDC__
-struct mbuf;
-struct rtentry;
-#endif
-#include <net/if.h>
-
-#include <netinet/in.h>
-#include <netinet/if_ether.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <netinet/ip_icmp.h>
-#include <netinet/ip_var.h>
-#include <netinet/udp.h>
-#include <netinet/udp_var.h>
-#include <netinet/tcp.h>
-#include <netinet/tcpip.h>
-
-#include <stdio.h>
-#include <string.h>
-
-#include "interface.h"
-#include "addrtoname.h"
-#include "extract.h" /* must come after interface.h */
-
-/* rfc1700 */
-#ifndef ICMP_UNREACH_NET_UNKNOWN
-#define ICMP_UNREACH_NET_UNKNOWN 6 /* destination net unknown */
-#endif
-#ifndef ICMP_UNREACH_HOST_UNKNOWN
-#define ICMP_UNREACH_HOST_UNKNOWN 7 /* destination host unknown */
-#endif
-#ifndef ICMP_UNREACH_ISOLATED
-#define ICMP_UNREACH_ISOLATED 8 /* source host isolated */
-#endif
-#ifndef ICMP_UNREACH_NET_PROHIB
-#define ICMP_UNREACH_NET_PROHIB 9 /* admin prohibited net */
-#endif
-#ifndef ICMP_UNREACH_HOST_PROHIB
-#define ICMP_UNREACH_HOST_PROHIB 10 /* admin prohibited host */
-#endif
-#ifndef ICMP_UNREACH_TOSNET
-#define ICMP_UNREACH_TOSNET 11 /* tos prohibited net */
-#endif
-#ifndef ICMP_UNREACH_TOSHOST
-#define ICMP_UNREACH_TOSHOST 12 /* tos prohibited host */
-#endif
-
-/* rfc1716 */
-#ifndef ICMP_UNREACH_FILTER_PROHIB
-#define ICMP_UNREACH_FILTER_PROHIB 13 /* admin prohibited filter */
-#endif
-#ifndef ICMP_UNREACH_HOST_PRECEDENCE
-#define ICMP_UNREACH_HOST_PRECEDENCE 14 /* host precedence violation */
-#endif
-#ifndef ICMP_UNREACH_PRECEDENCE_CUTOFF
-#define ICMP_UNREACH_PRECEDENCE_CUTOFF 15 /* precedence cutoff */
-#endif
-
-/* rfc1256 */
-#ifndef ICMP_ROUTERADVERT
-#define ICMP_ROUTERADVERT 9 /* router advertisement */
-#endif
-#ifndef ICMP_ROUTERSOLICIT
-#define ICMP_ROUTERSOLICIT 10 /* router solicitation */
-#endif
-
-/* Most of the icmp types */
-static struct tok icmp2str[] = {
- { ICMP_ECHOREPLY, "echo reply" },
- { ICMP_SOURCEQUENCH, "source quench" },
- { ICMP_ECHO, "echo request" },
- { ICMP_ROUTERSOLICIT, "router solicitation" },
- { ICMP_TSTAMP, "time stamp request" },
- { ICMP_TSTAMPREPLY, "time stamp reply" },
- { ICMP_IREQ, "information request" },
- { ICMP_IREQREPLY, "information reply" },
- { ICMP_MASKREQ, "address mask request" },
- { 0, NULL }
-};
-
-/* Formats for most of the ICMP_UNREACH codes */
-static struct tok unreach2str[] = {
- { ICMP_UNREACH_NET, "net %s unreachable" },
- { ICMP_UNREACH_HOST, "host %s unreachable" },
- { ICMP_UNREACH_SRCFAIL,
- "%s unreachable - source route failed" },
- { ICMP_UNREACH_NET_UNKNOWN, "net %s unreachable - unknown" },
- { ICMP_UNREACH_HOST_UNKNOWN, "host %s unreachable - unknown" },
- { ICMP_UNREACH_ISOLATED,
- "%s unreachable - source host isolated" },
- { ICMP_UNREACH_NET_PROHIB,
- "net %s unreachable - admin prohibited" },
- { ICMP_UNREACH_HOST_PROHIB,
- "host %s unreachable - admin prohibited" },
- { ICMP_UNREACH_TOSNET,
- "net %s unreachable - tos prohibited" },
- { ICMP_UNREACH_TOSHOST,
- "host %s unreachable - tos prohibited" },
- { ICMP_UNREACH_FILTER_PROHIB,
- "host %s unreachable - admin prohibited filter" },
- { ICMP_UNREACH_HOST_PRECEDENCE,
- "host %s unreachable - host precedence violation" },
- { ICMP_UNREACH_PRECEDENCE_CUTOFF,
- "host %s unreachable - precedence cutoff" },
- { 0, NULL }
-};
-
-/* Formats for the ICMP_REDIRECT codes */
-static struct tok type2str[] = {
- { ICMP_REDIRECT_NET, "redirect %s to net %s" },
- { ICMP_REDIRECT_HOST, "redirect %s to host %s" },
- { ICMP_REDIRECT_TOSNET, "redirect-tos %s to net %s" },
- { ICMP_REDIRECT_TOSHOST, "redirect-tos %s to net %s" },
- { 0, NULL }
-};
-
-/* rfc1191 */
-struct mtu_discovery {
- short unused;
- short nexthopmtu;
-};
-
-/* rfc1256 */
-struct ih_rdiscovery {
- u_char ird_addrnum;
- u_char ird_addrsiz;
- u_short ird_lifetime;
-};
-
-struct id_rdiscovery {
- u_int32_t ird_addr;
- u_int32_t ird_pref;
-};
-
-void
-icmp_print(register const u_char *bp, register const u_char *bp2)
-{
- register char *cp;
- register const struct icmp *dp;
- register const struct ip *ip;
- register const char *str, *fmt;
- register const struct ip *oip;
- register const struct udphdr *ouh;
- register u_int hlen, dport, mtu;
- char buf[256];
-
- dp = (struct icmp *)bp;
- ip = (struct ip *)bp2;
- str = buf;
-
- (void)printf("%s > %s: ",
- ipaddr_string(&ip->ip_src),
- ipaddr_string(&ip->ip_dst));
-
- TCHECK(dp->icmp_code);
- switch (dp->icmp_type) {
-
- case ICMP_UNREACH:
- TCHECK(dp->icmp_ip.ip_dst);
- switch (dp->icmp_code) {
-
- case ICMP_UNREACH_PROTOCOL:
- TCHECK(dp->icmp_ip.ip_p);
- (void)sprintf(buf, "%s protocol %d unreachable",
- ipaddr_string(&dp->icmp_ip.ip_dst),
- dp->icmp_ip.ip_p);
- break;
-
- case ICMP_UNREACH_PORT:
- TCHECK(dp->icmp_ip.ip_p);
- oip = &dp->icmp_ip;
- hlen = oip->ip_hl * 4;
- ouh = (struct udphdr *)(((u_char *)oip) + hlen);
- dport = ntohs(ouh->uh_dport);
- switch (oip->ip_p) {
-
- case IPPROTO_TCP:
- (void)sprintf(buf,
- "%s tcp port %s unreachable",
- ipaddr_string(&oip->ip_dst),
- tcpport_string(dport));
- break;
-
- case IPPROTO_UDP:
- (void)sprintf(buf,
- "%s udp port %s unreachable",
- ipaddr_string(&oip->ip_dst),
- udpport_string(dport));
- break;
-
- default:
- (void)sprintf(buf,
- "%s protocol %d port %d unreachable",
- ipaddr_string(&oip->ip_dst),
- oip->ip_p, dport);
- break;
- }
- break;
-
- case ICMP_UNREACH_NEEDFRAG:
- {
- register const struct mtu_discovery *mp;
-
- mp = (struct mtu_discovery *)&dp->icmp_void;
- mtu = EXTRACT_16BITS(&mp->nexthopmtu);
- if (mtu)
- (void)sprintf(buf,
- "%s unreachable - need to frag (mtu %d)",
- ipaddr_string(&dp->icmp_ip.ip_dst), mtu);
- else
- (void)sprintf(buf,
- "%s unreachable - need to frag",
- ipaddr_string(&dp->icmp_ip.ip_dst));
- }
- break;
-
- default:
- fmt = tok2str(unreach2str, "#%d %%s unreachable",
- dp->icmp_code);
- (void)sprintf(buf, fmt,
- ipaddr_string(&dp->icmp_ip.ip_dst));
- break;
- }
- break;
-
- case ICMP_REDIRECT:
- TCHECK(dp->icmp_ip.ip_dst);
- fmt = tok2str(type2str, "redirect-#%d %%s to net %%s",
- dp->icmp_code);
- (void)sprintf(buf, fmt,
- ipaddr_string(&dp->icmp_ip.ip_dst),
- ipaddr_string(&dp->icmp_gwaddr));
- break;
-
- case ICMP_ROUTERADVERT:
- {
- register const struct ih_rdiscovery *ihp;
- register const struct id_rdiscovery *idp;
- u_int lifetime, num, size;
-
- (void)strcpy(buf, "router advertisement");
- cp = buf + strlen(buf);
-
- ihp = (struct ih_rdiscovery *)&dp->icmp_void;
- TCHECK(*ihp);
- (void)strcpy(cp, " lifetime ");
- cp = buf + strlen(buf);
- lifetime = EXTRACT_16BITS(&ihp->ird_lifetime);
- if (lifetime < 60)
- (void)sprintf(cp, "%u", lifetime);
- else if (lifetime < 60 * 60)
- (void)sprintf(cp, "%u:%02u",
- lifetime / 60, lifetime % 60);
- else
- (void)sprintf(cp, "%u:%02u:%02u",
- lifetime / 3600,
- (lifetime % 3600) / 60,
- lifetime % 60);
- cp = buf + strlen(buf);
-
- num = ihp->ird_addrnum;
- (void)sprintf(cp, " %d:", num);
- cp = buf + strlen(buf);
-
- size = ihp->ird_addrsiz;
- if (size != 2) {
- (void)sprintf(cp, " [size %d]", size);
- break;
- }
- idp = (struct id_rdiscovery *)&dp->icmp_data;
- while (num-- > 0) {
- TCHECK(*idp);
- (void)sprintf(cp, " {%s %u}",
- ipaddr_string(&idp->ird_addr),
- EXTRACT_32BITS(&idp->ird_pref));
- cp = buf + strlen(buf);
- }
- }
- break;
-
- case ICMP_TIMXCEED:
- TCHECK(dp->icmp_ip.ip_dst);
- switch (dp->icmp_code) {
-
- case ICMP_TIMXCEED_INTRANS:
- str = "time exceeded in-transit";
- break;
-
- case ICMP_TIMXCEED_REASS:
- str = "ip reassembly time exceeded";
- break;
-
- default:
- (void)sprintf(buf, "time exceeded-#%d", dp->icmp_code);
- break;
- }
- break;
-
- case ICMP_PARAMPROB:
- if (dp->icmp_code)
- (void)sprintf(buf, "parameter problem - code %d",
- dp->icmp_code);
- else {
- TCHECK(dp->icmp_pptr);
- (void)sprintf(buf, "parameter problem - octet %d",
- dp->icmp_pptr);
- }
- break;
-
- case ICMP_MASKREPLY:
- TCHECK(dp->icmp_mask);
- (void)sprintf(buf, "address mask is 0x%08x",
- (u_int32_t)ntohl(dp->icmp_mask));
- break;
-
- default:
- str = tok2str(icmp2str, "type-#%d", dp->icmp_type);
- break;
- }
- (void)printf("icmp: %s", str);
- return;
-trunc:
- fputs("[|icmp]", stdout);
-}
projects / apple / network_cmds.git / blobdiff