tcpdump源程序

/* * Copyright (c) 1992, 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. * * Original code by Matt Thomas, Digital Equipment Corporation * * Extensively modified by Hannes Gredler (hannes@juniper.net) for more * complete IS-IS support. */ #ifndef lint static const char rcsid[] _U_ = "@(#) $Header: /tcpdump/master/tcpdump/print-isoclns.c,v 1.106.2.5 2004/03/24 01:45:26 guy Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <tcpdump-stdinc.h> #include <stdio.h> #include <string.h> #include "interface.h" #include "addrtoname.h" #include "ethertype.h" #include "ether.h" #include "extract.h" #include "gmpls.h" #define NLPID_CLNS 129 /* 0x81 */ #define NLPID_ESIS 130 /* 0x82 */ #define NLPID_ISIS 131 /* 0x83 */ #define NLPID_IP6 0x8e #define NLPID_IP 0xcc #define NLPID_NULLNS 0 #define IPV4 1 /* AFI value */ #define IPV6 2 /* AFI value */ /* * IS-IS is defined in ISO 10589. Look there for protocol definitions. */ #define SYSTEM_ID_LEN ETHER_ADDR_LEN #define NODE_ID_LEN SYSTEM_ID_LEN+1 #define LSP_ID_LEN SYSTEM_ID_LEN+2 #define ISIS_VERSION 1 #define PDU_TYPE_MASK 0x1F #define PRIORITY_MASK 0x7F #define L1_LAN_IIH 15 #define L2_LAN_IIH 16 #define PTP_IIH 17 #define L1_LSP 18 #define L2_LSP 20 #define L1_CSNP 24 #define L2_CSNP 25 #define L1_PSNP 26 #define L2_PSNP 27 static struct tok isis_pdu_values[] = { { L1_LAN_IIH, "L1 Lan IIH"}, { L2_LAN_IIH, "L2 Lan IIH"}, { PTP_IIH, "p2p IIH"}, { L1_LSP, "L1 LSP"}, { L2_LSP, "L2 LSP"}, { L1_CSNP, "L1 CSNP"}, { L2_CSNP, "L2 CSNP"}, { L1_PSNP, "L1 PSNP"}, { L2_PSNP, "L2 PSNP"}, { 0, NULL} }; /* * A TLV is a tuple of a type, length and a value and is normally used for * encoding information in all sorts of places. This is an enumeration of * the well known types. * * list taken from rfc3359 plus some memory from veterans ;-) */ #define TLV_AREA_ADDR 1 /* iso10589 */ #define TLV_IS_REACH 2 /* iso10589 */ #define TLV_ESNEIGH 3 /* iso10589 */ #define TLV_PART_DIS 4 /* iso10589 */ #define TLV_PREFIX_NEIGH 5 /* iso10589 */ #define TLV_ISNEIGH 6 /* iso10589 */ #define TLV_ISNEIGH_VARLEN 7 /* iso10589 */ #define TLV_PADDING 8 /* iso10589 */ #define TLV_LSP 9 /* iso10589 */ #define TLV_AUTH 10 /* iso10589, rfc3567 */ #define TLV_CHECKSUM 12 /* rfc3358 */ #define TLV_LSP_BUFFERSIZE 14 /* iso10589 rev2 */ #define TLV_EXT_IS_REACH 22 /* draft-ietf-isis-traffic-05 */ #define TLV_IS_ALIAS_ID 24 /* draft-ietf-isis-ext-lsp-frags-02 */ #define TLV_DECNET_PHASE4 42 #define TLV_LUCENT_PRIVATE 66 #define TLV_INT_IP_REACH 128 /* rfc1195, rfc2966 */ #define TLV_PROTOCOLS 129 /* rfc1195 */ #define TLV_EXT_IP_REACH 130 /* rfc1195, rfc2966 */ #define TLV_IDRP_INFO 131 /* rfc1195 */ #define TLV_IPADDR 132 /* rfc1195 */ #define TLV_IPAUTH 133 /* rfc1195 */ #define TLV_TE_ROUTER_ID 134 /* draft-ietf-isis-traffic-05 */ #define TLV_EXTD_IP_REACH 135 /* draft-ietf-isis-traffic-05 */ #define TLV_HOSTNAME 137 /* rfc2763 */ #define TLV_SHARED_RISK_GROUP 138 /* draft-ietf-isis-gmpls-extensions */ #define TLV_NORTEL_PRIVATE1 176 #define TLV_NORTEL_PRIVATE2 177 #define TLV_HOLDTIME 198 /* ES-IS */ #define TLV_RESTART_SIGNALING 211 /* draft-ietf-isis-restart-01 */ #define TLV_MT_IS_REACH 222 /* draft-ietf-isis-wg-multi-topology-05 */ #define TLV_MT_SUPPORTED 229 /* draft-ietf-isis-wg-multi-topology-05 */ #define TLV_IP6ADDR 232 /* draft-ietf-isis-ipv6-02 */ #define TLV_MT_IP_REACH 235 /* draft-ietf-isis-wg-multi-topology-05 */ #define TLV_IP6_REACH 236 /* draft-ietf-isis-ipv6-02 */ #define TLV_MT_IP6_REACH 237 /* draft-ietf-isis-wg-multi-topology-05 */ #define TLV_PTP_ADJ 240 /* rfc3373 */ #define TLV_IIH_SEQNR 241 /* draft-shen-isis-iih-sequence-00 */ #define TLV_VENDOR_PRIVATE 250 /* draft-ietf-isis-proprietary-tlv-00 */ static struct tok isis_tlv_values[] = { { TLV_AREA_ADDR, "Area address(es)"}, { TLV_IS_REACH, "IS Reachability"}, { TLV_ESNEIGH, "ES Neighbor(s)"}, { TLV_PART_DIS, "Partition DIS"}, { TLV_PREFIX_NEIGH, "Prefix Neighbors"}, { TLV_ISNEIGH, "IS Neighbor(s)"}, { TLV_ISNEIGH_VARLEN, "IS Neighbor(s) (variable length)"}, { TLV_PADDING, "Padding"}, { TLV_LSP, "LSP entries"}, { TLV_AUTH, "Authentication"}, { TLV_CHECKSUM, "Checksum"}, { TLV_LSP_BUFFERSIZE, "LSP Buffersize"}, { TLV_EXT_IS_REACH, "Extended IS Reachability"}, { TLV_IS_ALIAS_ID, "IS Alias ID"}, { TLV_DECNET_PHASE4, "DECnet Phase IV"}, { TLV_LUCENT_PRIVATE, "Lucent Proprietary"}, { TLV_INT_IP_REACH, "IPv4 Internal Reachability"}, { TLV_PROTOCOLS, "Protocols supported"}, { TLV_EXT_IP_REACH, "IPv4 External Reachability"}, { TLV_IDRP_INFO, "Inter-Domain Information Type"}, { TLV_IPADDR, "IPv4 Interface address(es)"}, { TLV_IPAUTH, "IPv4 authentication (deprecated)"}, { TLV_TE_ROUTER_ID, "Traffic Engineering Router ID"}, { TLV_EXTD_IP_REACH, "Extended IPv4 Reachability"}, { TLV_HOSTNAME, "Hostname"}, { TLV_SHARED_RISK_GROUP, "Shared Risk Link Group"}, { TLV_NORTEL_PRIVATE1, "Nortel Proprietary"}, { TLV_NORTEL_PRIVATE2, "Nortel Proprietary"}, { TLV_HOLDTIME, "Holdtime"}, { TLV_RESTART_SIGNALING, "Restart Signaling"}, { TLV_MT_IS_REACH, "Multi Topology IS Reachability"}, { TLV_MT_SUPPORTED, "Multi Topology"}, { TLV_IP6ADDR, "IPv6 Interface address(es)"}, { TLV_MT_IP_REACH, "Multi-Topology IPv4 Reachability"}, { TLV_IP6_REACH, "IPv6 reachability"}, { TLV_MT_IP6_REACH, "Multi-Topology IP6 Reachability"}, { TLV_PTP_ADJ, "Point-to-point Adjacency State"}, { TLV_IIH_SEQNR, "Hello PDU Sequence Number"}, { TLV_VENDOR_PRIVATE, "Vendor Private"}, { 0, NULL } }; #define SUBTLV_EXT_IS_REACH_ADMIN_GROUP 3 /* draft-ietf-isis-traffic-05 */ #define SUBTLV_EXT_IS_REACH_LINK_LOCAL_REMOTE_ID 4 /* draft-ietf-isis-gmpls-extensions */ #define SUBTLV_EXT_IS_REACH_LINK_REMOTE_ID 5 /* draft-ietf-isis-traffic-05 */ #define SUBTLV_EXT_IS_REACH_IPV4_INTF_ADDR 6 /* draft-ietf-isis-traffic-05 */ #define SUBTLV_EXT_IS_REACH_IPV4_NEIGHBOR_ADDR 8 /* draft-ietf-isis-traffic-05 */ #define S