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authorRui Paulo <rpaulo@FreeBSD.org>2009-03-20 13:27:51 +0000
committerRui Paulo <rpaulo@FreeBSD.org>2009-03-20 13:27:51 +0000
commit81ceab7147ecaac14fa1889cdb461205e1002393 (patch)
tree36afae3dff76dde8d1cee5971ff7f1bc4922ad0f /contrib/tcpdump/print-ospf.c
parentb5bfcb5d8ae026769a67b6230c15014efc32f7fe (diff)
downloadsrc-test2-81ceab7147ecaac14fa1889cdb461205e1002393.tar.gz
src-test2-81ceab7147ecaac14fa1889cdb461205e1002393.zip
Notes
Diffstat (limited to 'contrib/tcpdump/print-ospf.c')
-rw-r--r--contrib/tcpdump/print-ospf.c967
1 files changed, 0 insertions, 967 deletions
diff --git a/contrib/tcpdump/print-ospf.c b/contrib/tcpdump/print-ospf.c
deleted file mode 100644
index fd8f111a3c4e..000000000000
--- a/contrib/tcpdump/print-ospf.c
+++ /dev/null
@@ -1,967 +0,0 @@
-/*
- * Copyright (c) 1992, 1993, 1994, 1995, 1996, 1997
- * 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.
- *
- * OSPF support contributed by Jeffrey Honig (jch@mitchell.cit.cornell.edu)
- */
-
-#ifndef lint
-static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-ospf.c,v 1.56.2.4 2006/12/13 08:24:27 hannes Exp $ (LBL)";
-#endif
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <tcpdump-stdinc.h>
-
-#include <stdio.h>
-
-#include "interface.h"
-#include "addrtoname.h"
-#include "extract.h"
-#include "gmpls.h"
-
-#include "ospf.h"
-
-#include "ip.h"
-
-static struct tok ospf_option_values[] = {
- { OSPF_OPTION_T, "TOS" },
- { OSPF_OPTION_E, "External" },
- { OSPF_OPTION_MC, "Multicast" },
- { OSPF_OPTION_NP, "NSSA" },
- { OSPF_OPTION_EA, "Advertise External" },
- { OSPF_OPTION_DC, "Demand Circuit" },
- { OSPF_OPTION_O, "Opaque" },
- { OSPF_OPTION_DN, "Up/Down" },
- { 0, NULL }
-};
-
-static struct tok ospf_authtype_values[] = {
- { OSPF_AUTH_NONE, "none" },
- { OSPF_AUTH_SIMPLE, "simple" },
- { OSPF_AUTH_MD5, "MD5" },
- { 0, NULL }
-};
-
-static struct tok ospf_rla_flag_values[] = {
- { RLA_FLAG_B, "ABR" },
- { RLA_FLAG_E, "ASBR" },
- { RLA_FLAG_W1, "Virtual" },
- { RLA_FLAG_W2, "W2" },
- { 0, NULL }
-};
-
-static struct tok type2str[] = {
- { OSPF_TYPE_UMD, "UMD" },
- { OSPF_TYPE_HELLO, "Hello" },
- { OSPF_TYPE_DD, "Database Description" },
- { OSPF_TYPE_LS_REQ, "LS-Request" },
- { OSPF_TYPE_LS_UPDATE, "LS-Update" },
- { OSPF_TYPE_LS_ACK, "LS-Ack" },
- { 0, NULL }
-};
-
-static struct tok lsa_values[] = {
- { LS_TYPE_ROUTER, "Router" },
- { LS_TYPE_NETWORK, "Network" },
- { LS_TYPE_SUM_IP, "Summary" },
- { LS_TYPE_SUM_ABR, "ASBR Summary" },
- { LS_TYPE_ASE, "External" },
- { LS_TYPE_GROUP, "Multicast Group" },
- { LS_TYPE_NSSA, "NSSA" },
- { LS_TYPE_OPAQUE_LL, "Link Local Opaque" },
- { LS_TYPE_OPAQUE_AL, "Area Local Opaque" },
- { LS_TYPE_OPAQUE_DW, "Domain Wide Opaque" },
- { 0, NULL }
-};
-
-static struct tok ospf_dd_flag_values[] = {
- { OSPF_DB_INIT, "Init" },
- { OSPF_DB_MORE, "More" },
- { OSPF_DB_MASTER, "Master" },
- { 0, NULL }
-};
-
-static struct tok lsa_opaque_values[] = {
- { LS_OPAQUE_TYPE_TE, "Traffic Engineering" },
- { LS_OPAQUE_TYPE_GRACE, "Graceful restart" },
- { LS_OPAQUE_TYPE_RI, "Router Information" },
- { 0, NULL }
-};
-
-static struct tok lsa_opaque_te_tlv_values[] = {
- { LS_OPAQUE_TE_TLV_ROUTER, "Router Address" },
- { LS_OPAQUE_TE_TLV_LINK, "Link" },
- { 0, NULL }
-};
-
-static struct tok lsa_opaque_te_link_tlv_subtlv_values[] = {
- { LS_OPAQUE_TE_LINK_SUBTLV_LINK_TYPE, "Link Type" },
- { LS_OPAQUE_TE_LINK_SUBTLV_LINK_ID, "Link ID" },
- { LS_OPAQUE_TE_LINK_SUBTLV_LOCAL_IP, "Local Interface IP address" },
- { LS_OPAQUE_TE_LINK_SUBTLV_REMOTE_IP, "Remote Interface IP address" },
- { LS_OPAQUE_TE_LINK_SUBTLV_TE_METRIC, "Traffic Engineering Metric" },
- { LS_OPAQUE_TE_LINK_SUBTLV_MAX_BW, "Maximum Bandwidth" },
- { LS_OPAQUE_TE_LINK_SUBTLV_MAX_RES_BW, "Maximum Reservable Bandwidth" },
- { LS_OPAQUE_TE_LINK_SUBTLV_UNRES_BW, "Unreserved Bandwidth" },
- { LS_OPAQUE_TE_LINK_SUBTLV_ADMIN_GROUP, "Administrative Group" },
- { LS_OPAQUE_TE_LINK_SUBTLV_LINK_LOCAL_REMOTE_ID, "Link Local/Remote Identifier" },
- { LS_OPAQUE_TE_LINK_SUBTLV_LINK_PROTECTION_TYPE, "Link Protection Type" },
- { LS_OPAQUE_TE_LINK_SUBTLV_INTF_SW_CAP_DESCR, "Interface Switching Capability" },
- { LS_OPAQUE_TE_LINK_SUBTLV_SHARED_RISK_GROUP, "Shared Risk Link Group" },
- { LS_OPAQUE_TE_LINK_SUBTLV_BW_CONSTRAINTS, "Bandwidth Constraints" },
- { 0, NULL }
-};
-
-static struct tok lsa_opaque_grace_tlv_values[] = {
- { LS_OPAQUE_GRACE_TLV_PERIOD, "Grace Period" },
- { LS_OPAQUE_GRACE_TLV_REASON, "Graceful restart Reason" },
- { LS_OPAQUE_GRACE_TLV_INT_ADDRESS, "IPv4 interface address" },
- { 0, NULL }
-};
-
-static struct tok lsa_opaque_grace_tlv_reason_values[] = {
- { LS_OPAQUE_GRACE_TLV_REASON_UNKNOWN, "Unknown" },
- { LS_OPAQUE_GRACE_TLV_REASON_SW_RESTART, "Software Restart" },
- { LS_OPAQUE_GRACE_TLV_REASON_SW_UPGRADE, "Software Reload/Upgrade" },
- { LS_OPAQUE_GRACE_TLV_REASON_CP_SWITCH, "Control Processor Switch" },
- { 0, NULL }
-};
-
-static struct tok lsa_opaque_te_tlv_link_type_sub_tlv_values[] = {
- { LS_OPAQUE_TE_LINK_SUBTLV_LINK_TYPE_PTP, "Point-to-point" },
- { LS_OPAQUE_TE_LINK_SUBTLV_LINK_TYPE_MA, "Multi-Access" },
- { 0, NULL }
-};
-
-static struct tok lsa_opaque_ri_tlv_values[] = {
- { LS_OPAQUE_RI_TLV_CAP, "Router Capabilities" },
- { 0, NULL }
-};
-
-static struct tok lsa_opaque_ri_tlv_cap_values[] = {
- { 1, "Reserved" },
- { 2, "Reserved" },
- { 4, "Reserved" },
- { 8, "Reserved" },
- { 16, "graceful restart capable" },
- { 32, "graceful restart helper" },
- { 64, "Stub router support" },
- { 128, "Traffic engineering" },
- { 256, "p2p over LAN" },
- { 512, "path computation server" },
- { 0, NULL }
-};
-
-static char tstr[] = " [|ospf]";
-
-#ifdef WIN32
-#define inline __inline
-#endif /* WIN32 */
-
-static int ospf_print_lshdr(const struct lsa_hdr *);
-static const u_char *ospf_print_lsa(const struct lsa *);
-static int ospf_decode_v2(const struct ospfhdr *, const u_char *);
-
-static int
-ospf_print_lshdr(register const struct lsa_hdr *lshp)
-{
- u_int ls_length;
-
- TCHECK(lshp->ls_length);
- ls_length = EXTRACT_16BITS(&lshp->ls_length);
- if (ls_length < sizeof(struct lsa_hdr)) {
- printf("\n\t Bogus length %u < %lu", ls_length,
- (unsigned long)sizeof(struct lsa_hdr));
- return(-1);
- }
-
- TCHECK(lshp->ls_seq); /* XXX - ls_length check checked this */
- printf("\n\t Advertising Router: %s, seq 0x%08x, age %us, length: %u",
- ipaddr_string(&lshp->ls_router),
- EXTRACT_32BITS(&lshp->ls_seq),
- EXTRACT_16BITS(&lshp->ls_age),
- ls_length-(u_int)sizeof(struct lsa_hdr));
-
- TCHECK(lshp->ls_type); /* XXX - ls_length check checked this */
- switch (lshp->ls_type) {
- /* the LSA header for opaque LSAs was slightly changed */
- case LS_TYPE_OPAQUE_LL:
- case LS_TYPE_OPAQUE_AL:
- case LS_TYPE_OPAQUE_DW:
- printf("\n\t %s LSA (%d), Opaque-Type: %s LSA (%u), Opaque-ID: %u",
- tok2str(lsa_values,"unknown",lshp->ls_type),
- lshp->ls_type,
-
- tok2str(lsa_opaque_values,
- "unknown",
- *(&lshp->un_lsa_id.opaque_field.opaque_type)),
- *(&lshp->un_lsa_id.opaque_field.opaque_type),
- EXTRACT_24BITS(&lshp->un_lsa_id.opaque_field.opaque_id)
-
- );
- break;
-
- /* all other LSA types use regular style LSA headers */
- default:
- printf("\n\t %s LSA (%d), LSA-ID: %s",
- tok2str(lsa_values,"unknown",lshp->ls_type),
- lshp->ls_type,
- ipaddr_string(&lshp->un_lsa_id.lsa_id));
- break;
- }
-
- TCHECK(lshp->ls_options); /* XXX - ls_length check checked this */
- printf("\n\t Options: [%s]", bittok2str(ospf_option_values,"none",lshp->ls_options));
-
- return (ls_length);
-trunc:
- return (-1);
-}
-
-/*
- * Print a single link state advertisement. If truncated or if LSA length
- * field is less than the length of the LSA header, return NULl, else
- * return pointer to data past end of LSA.
- */
-static const u_int8_t *
-ospf_print_lsa(register const struct lsa *lsap)
-{
- register const u_int8_t *ls_end;
- register const struct rlalink *rlp;
- register const struct tos_metric *tosp;
- register const struct in_addr *ap;
- register const struct aslametric *almp;
- register const struct mcla *mcp;
- register const u_int32_t *lp;
- register int j, k, tlv_type, tlv_length, subtlv_type, subtlv_length, priority_level, te_class;
- register int ls_length;
- const u_int8_t *tptr;
- int count_srlg;
- union { /* int to float conversion buffer for several subTLVs */
- float f;
- u_int32_t i;
- } bw;
-
- tptr = (u_int8_t *)lsap->lsa_un.un_unknown; /* squelch compiler warnings */
- ls_length = ospf_print_lshdr(&lsap->ls_hdr);
- if (ls_length == -1)
- return(NULL);
- ls_end = (u_int8_t *)lsap + ls_length;
- ls_length -= sizeof(struct lsa_hdr);
-
- switch (lsap->ls_hdr.ls_type) {
-
- case LS_TYPE_ROUTER:
- TCHECK(lsap->lsa_un.un_rla.rla_flags);
- printf("\n\t Router LSA Options: [%s]", bittok2str(ospf_rla_flag_values,"none",lsap->lsa_un.un_rla.rla_flags));
-
- TCHECK(lsap->lsa_un.un_rla.rla_count);
- j = EXTRACT_16BITS(&lsap->lsa_un.un_rla.rla_count);
- TCHECK(lsap->lsa_un.un_rla.rla_link);
- rlp = lsap->lsa_un.un_rla.rla_link;
- while (j--) {
- TCHECK(*rlp);
- switch (rlp->link_type) {
-
- case RLA_TYPE_VIRTUAL:
- printf("\n\t Virtual Link: Neighbor Router-ID: %s, Interface Address: %s",
- ipaddr_string(&rlp->link_id),
- ipaddr_string(&rlp->link_data));
- break;
-
- case RLA_TYPE_ROUTER:
- printf("\n\t Neighbor Router-ID: %s, Interface Address: %s",
- ipaddr_string(&rlp->link_id),
- ipaddr_string(&rlp->link_data));
- break;
-
- case RLA_TYPE_TRANSIT:
- printf("\n\t Neighbor Network-ID: %s, Interface Address: %s",
- ipaddr_string(&rlp->link_id),
- ipaddr_string(&rlp->link_data));
- break;
-
- case RLA_TYPE_STUB:
- printf("\n\t Stub Network: %s, Mask: %s",
- ipaddr_string(&rlp->link_id),
- ipaddr_string(&rlp->link_data));
- break;
-
- default:
- printf("\n\t Unknown Router Link Type (%u)",
- rlp->link_type);
- return (ls_end);
- }
- printf(", tos 0, metric: %d", EXTRACT_16BITS(&rlp->link_tos0metric));
- tosp = (struct tos_metric *)
- ((sizeof rlp->link_tos0metric) + (u_char *) rlp);
- for (k = 0; k < (int) rlp->link_toscount; ++k, ++tosp) {
- TCHECK(*tosp);
- printf(", tos %d, metric: %d",
- tosp->tos_type,
- EXTRACT_16BITS(&tosp->tos_metric));
- }
- rlp = (struct rlalink *)((u_char *)(rlp + 1) +
- ((rlp->link_toscount) * sizeof(*tosp)));
- }
- break;
-
- case LS_TYPE_NETWORK:
- TCHECK(lsap->lsa_un.un_nla.nla_mask);
- printf("\n\t Mask %s\n\t Connected Routers:",
- ipaddr_string(&lsap->lsa_un.un_nla.nla_mask));
- ap = lsap->lsa_un.un_nla.nla_router;
- while ((u_char *)ap < ls_end) {
- TCHECK(*ap);
- printf("\n\t %s", ipaddr_string(ap));
- ++ap;
- }
- break;
-
- case LS_TYPE_SUM_IP:
- TCHECK(lsap->lsa_un.un_nla.nla_mask);
- printf("\n\t Mask %s",
- ipaddr_string(&lsap->lsa_un.un_sla.sla_mask));
- TCHECK(lsap->lsa_un.un_sla.sla_tosmetric);
- lp = lsap->lsa_un.un_sla.sla_tosmetric;
- /* suppress tos if its not supported */
- if(!((lsap->ls_hdr.ls_options)&OSPF_OPTION_T)) {
- printf(", metric: %u", EXTRACT_32BITS(lp)&SLA_MASK_METRIC);
- break;
- }
- while ((u_char *)lp < ls_end) {
- register u_int32_t ul;
-
- TCHECK(*lp);
- ul = EXTRACT_32BITS(lp);
- printf(", tos %d metric %d",
- (ul & SLA_MASK_TOS) >> SLA_SHIFT_TOS,
- ul & SLA_MASK_METRIC);
- ++lp;
- }
- break;
-
- case LS_TYPE_SUM_ABR:
- TCHECK(lsap->lsa_un.un_sla.sla_tosmetric);
- lp = lsap->lsa_un.un_sla.sla_tosmetric;
- /* suppress tos if its not supported */
- if(!((lsap->ls_hdr.ls_options)&OSPF_OPTION_T)) {
- printf(", metric: %u", EXTRACT_32BITS(lp)&SLA_MASK_METRIC);
- break;
- }
- while ((u_char *)lp < ls_end) {
- register u_int32_t ul;
-
- TCHECK(*lp);
- ul = EXTRACT_32BITS(lp);
- printf(", tos %d metric %d",
- (ul & SLA_MASK_TOS) >> SLA_SHIFT_TOS,
- ul & SLA_MASK_METRIC);
- ++lp;
- }
- break;
-
- case LS_TYPE_ASE:
- case LS_TYPE_NSSA: /* fall through - those LSAs share the same format */
- TCHECK(lsap->lsa_un.un_nla.nla_mask);
- printf("\n\t Mask %s",
- ipaddr_string(&lsap->lsa_un.un_asla.asla_mask));
-
- TCHECK(lsap->lsa_un.un_sla.sla_tosmetric);
- almp = lsap->lsa_un.un_asla.asla_metric;
- while ((u_char *)almp < ls_end) {
- register u_int32_t ul;
-
- TCHECK(almp->asla_tosmetric);
- ul = EXTRACT_32BITS(&almp->asla_tosmetric);
- printf(", type %d, tos %d metric:",
- (ul & ASLA_FLAG_EXTERNAL) ? 2 : 1,
- (ul & ASLA_MASK_TOS) >> ASLA_SHIFT_TOS);
- if ((ul & ASLA_MASK_METRIC)==0xffffff)
- printf(" infinite");
- else
- printf(" %d", (ul & ASLA_MASK_METRIC));
-
- TCHECK(almp->asla_forward);
- if (almp->asla_forward.s_addr) {
- printf(", forward %s",
- ipaddr_string(&almp->asla_forward));
- }
- TCHECK(almp->asla_tag);
- if (almp->asla_tag.s_addr) {
- printf(", tag %s",
- ipaddr_string(&almp->asla_tag));
- }
- ++almp;
- }
- break;
-
- case LS_TYPE_GROUP:
- /* Multicast extensions as of 23 July 1991 */
- mcp = lsap->lsa_un.un_mcla;
- while ((u_char *)mcp < ls_end) {
- TCHECK(mcp->mcla_vid);
- switch (EXTRACT_32BITS(&mcp->mcla_vtype)) {
-
- case MCLA_VERTEX_ROUTER:
- printf("\n\t Router Router-ID %s",
- ipaddr_string(&mcp->mcla_vid));
- break;
-
- case MCLA_VERTEX_NETWORK:
- printf("\n\t Network Designated Router %s",
- ipaddr_string(&mcp->mcla_vid));
- break;
-
- default:
- printf("\n\t unknown VertexType (%u)",
- EXTRACT_32BITS(&mcp->mcla_vtype));
- break;
- }
- ++mcp;
- }
- break;
-
- case LS_TYPE_OPAQUE_LL: /* fall through */
- case LS_TYPE_OPAQUE_AL:
- case LS_TYPE_OPAQUE_DW:
-
- switch (*(&lsap->ls_hdr.un_lsa_id.opaque_field.opaque_type)) {
- case LS_OPAQUE_TYPE_RI:
- tptr = (u_int8_t *)(&lsap->lsa_un.un_ri_tlv.type);
-
- while (ls_length != 0) {
- TCHECK2(*tptr, 4);
- if (ls_length < 4) {
- printf("\n\t Remaining LS length %u < 4", ls_length);
- return(ls_end);
- }
- tlv_type = EXTRACT_16BITS(tptr);
- tlv_length = EXTRACT_16BITS(tptr+2);
- tptr+=4;
- ls_length-=4;
-
- printf("\n\t %s TLV (%u), length: %u, value: ",
- tok2str(lsa_opaque_ri_tlv_values,"unknown",tlv_type),
- tlv_type,
- tlv_length);
-
- if (tlv_length > ls_length) {
- printf("\n\t Bogus length %u > %u", tlv_length,
- ls_length);
- return(ls_end);
- }
- ls_length-=tlv_length;
- TCHECK2(*tptr, tlv_length);
- switch(tlv_type) {
-
- case LS_OPAQUE_RI_TLV_CAP:
- if (tlv_length != 4) {
- printf("\n\t Bogus length %u != 4", tlv_length);
- return(ls_end);
- }
- printf("Capabilities: %s",
- bittok2str(lsa_opaque_ri_tlv_cap_values, "Unknown", EXTRACT_32BITS(tptr)));
- break;
- default:
- if (vflag <= 1) {
- if(!print_unknown_data(tptr,"\n\t ",tlv_length))
- return(ls_end);
- }
- break;
-
- }
- tptr+=tlv_length;
- }
-
- break;
- case LS_OPAQUE_TYPE_GRACE:
- tptr = (u_int8_t *)(&lsap->lsa_un.un_grace_tlv.type);
-
- while (ls_length != 0) {
- TCHECK2(*tptr, 4);
- if (ls_length < 4) {
- printf("\n\t Remaining LS length %u < 4", ls_length);
- return(ls_end);
- }
- tlv_type = EXTRACT_16BITS(tptr);
- tlv_length = EXTRACT_16BITS(tptr+2);
- tptr+=4;
- ls_length-=4;
-
- printf("\n\t %s TLV (%u), length: %u, value: ",
- tok2str(lsa_opaque_grace_tlv_values,"unknown",tlv_type),
- tlv_type,
- tlv_length);
-
- if (tlv_length > ls_length) {
- printf("\n\t Bogus length %u > %u", tlv_length,
- ls_length);
- return(ls_end);
- }
- ls_length-=tlv_length;
- TCHECK2(*tptr, tlv_length);
- switch(tlv_type) {
-
- case LS_OPAQUE_GRACE_TLV_PERIOD:
- if (tlv_length != 4) {
- printf("\n\t Bogus length %u != 4", tlv_length);
- return(ls_end);
- }
- printf("%us",EXTRACT_32BITS(tptr));
- break;
- case LS_OPAQUE_GRACE_TLV_REASON:
- if (tlv_length != 1) {
- printf("\n\t Bogus length %u != 1", tlv_length);
- return(ls_end);
- }
- printf("%s (%u)",
- tok2str(lsa_opaque_grace_tlv_reason_values, "Unknown", *tptr),
- *tptr);
- break;
- case LS_OPAQUE_GRACE_TLV_INT_ADDRESS:
- if (tlv_length != 4) {
- printf("\n\t Bogus length %u != 4", tlv_length);
- return(ls_end);
- }
- printf("%s", ipaddr_string(tptr));
- break;
- default:
- if (vflag <= 1) {
- if(!print_unknown_data(tptr,"\n\t ",tlv_length))
- return(ls_end);
- }
- break;
-
- }
- tptr+=tlv_length;
- }
-
- break;
- case LS_OPAQUE_TYPE_TE:
- tptr = (u_int8_t *)(&lsap->lsa_un.un_te_lsa_tlv.type);
-
- while (ls_length != 0) {
- TCHECK2(*tptr, 4);
- if (ls_length < 4) {
- printf("\n\t Remaining LS length %u < 4", ls_length);
- return(ls_end);
- }
- tlv_type = EXTRACT_16BITS(tptr);
- tlv_length = EXTRACT_16BITS(tptr+2);
- tptr+=4;
- ls_length-=4;
-
- printf("\n\t %s TLV (%u), length: %u",
- tok2str(lsa_opaque_te_tlv_values,"unknown",tlv_type),
- tlv_type,
- tlv_length);
-
- if (tlv_length > ls_length) {
- printf("\n\t Bogus length %u > %u", tlv_length,
- ls_length);
- return(ls_end);
- }
- ls_length-=tlv_length;
- switch(tlv_type) {
- case LS_OPAQUE_TE_TLV_LINK:
- while (tlv_length != 0) {
- if (tlv_length < 4) {
- printf("\n\t Remaining TLV length %u < 4",
- tlv_length);
- return(ls_end);
- }
- TCHECK2(*tptr, 4);
- subtlv_type = EXTRACT_16BITS(tptr);
- subtlv_length = EXTRACT_16BITS(tptr+2);
- tptr+=4;
- tlv_length-=4;
-
- printf("\n\t %s subTLV (%u), length: %u",
- tok2str(lsa_opaque_te_link_tlv_subtlv_values,"unknown",subtlv_type),
- subtlv_type,
- subtlv_length);
-
- TCHECK2(*tptr, subtlv_length);
- switch(subtlv_type) {
- case LS_OPAQUE_TE_LINK_SUBTLV_ADMIN_GROUP:
- printf(", 0x%08x", EXTRACT_32BITS(tptr));
- break;
- case LS_OPAQUE_TE_LINK_SUBTLV_LINK_ID:
- case LS_OPAQUE_TE_LINK_SUBTLV_LINK_LOCAL_REMOTE_ID:
- printf(", %s (0x%08x)",
- ipaddr_string(tptr),
- EXTRACT_32BITS(tptr));
- if (subtlv_length == 8) /* draft-ietf-ccamp-ospf-gmpls-extensions */
- printf(", %s (0x%08x)",
- ipaddr_string(tptr+4),
- EXTRACT_32BITS(tptr+4));
- break;
- case LS_OPAQUE_TE_LINK_SUBTLV_LOCAL_IP:
- case LS_OPAQUE_TE_LINK_SUBTLV_REMOTE_IP:
- printf(", %s", ipaddr_string(tptr));
- break;
- case LS_OPAQUE_TE_LINK_SUBTLV_MAX_BW:
- case LS_OPAQUE_TE_LINK_SUBTLV_MAX_RES_BW:
- bw.i = EXTRACT_32BITS(tptr);
- printf(", %.3f Mbps", bw.f*8/1000000 );
- break;
- case LS_OPAQUE_TE_LINK_SUBTLV_UNRES_BW:
- for (te_class = 0; te_class < 8; te_class++) {
- bw.i = EXTRACT_32BITS(tptr+te_class*4);
- printf("\n\t\tTE-Class %u: %.3f Mbps",
- te_class,
- bw.f*8/1000000 );
- }
- break;
- case LS_OPAQUE_TE_LINK_SUBTLV_BW_CONSTRAINTS:
- printf("\n\t\tBandwidth Constraints Model ID: %s (%u)",
- tok2str(diffserv_te_bc_values, "unknown", *tptr),
- *tptr);
- /* decode BCs until the subTLV ends */
- for (te_class = 0; te_class < (subtlv_length-4)/4; te_class++) {
- bw.i = EXTRACT_32BITS(tptr+4+te_class*4);
- printf("\n\t\t Bandwidth constraint CT%u: %.3f Mbps",
- te_class,
- bw.f*8/1000000 );
- }
- break;
- case LS_OPAQUE_TE_LINK_SUBTLV_TE_METRIC:
- printf(", Metric %u", EXTRACT_32BITS(tptr));
- break;
- case LS_OPAQUE_TE_LINK_SUBTLV_LINK_PROTECTION_TYPE:
- printf(", %s, Priority %u",
- bittok2str(gmpls_link_prot_values, "none", *tptr),
- *(tptr+1));
- break;
- case LS_OPAQUE_TE_LINK_SUBTLV_INTF_SW_CAP_DESCR:
- printf("\n\t\tInterface Switching Capability: %s",
- tok2str(gmpls_switch_cap_values, "Unknown", *(tptr)));
- printf("\n\t\tLSP Encoding: %s\n\t\tMax LSP Bandwidth:",
- tok2str(gmpls_encoding_values, "Unknown", *(tptr+1)));
- for (priority_level = 0; priority_level < 8; priority_level++) {
- bw.i = EXTRACT_32BITS(tptr+4+(priority_level*4));
- printf("\n\t\t priority level %d: %.3f Mbps",
- priority_level,
- bw.f*8/1000000 );
- }
- break;
- case LS_OPAQUE_TE_LINK_SUBTLV_LINK_TYPE:
- printf(", %s (%u)",
- tok2str(lsa_opaque_te_tlv_link_type_sub_tlv_values,"unknown",*tptr),
- *tptr);
- break;
-
- case LS_OPAQUE_TE_LINK_SUBTLV_SHARED_RISK_GROUP:
- count_srlg = subtlv_length / 4;
- if (count_srlg != 0)
- printf("\n\t\t Shared risk group: ");
- while (count_srlg > 0) {
- bw.i = EXTRACT_32BITS(tptr);
- printf("%d",bw.i);
- tptr+=4;
- count_srlg--;
- if (count_srlg > 0)
- printf(", ");
- }
- break;
-
- default:
- if (vflag <= 1) {
- if(!print_unknown_data(tptr,"\n\t\t",subtlv_length))
- return(ls_end);
- }
- break;
- }
- /* in OSPF everything has to be 32-bit aligned, including TLVs */
- if (subtlv_length%4 != 0)
- subtlv_length+=4-(subtlv_length%4);
-
- tlv_length-=subtlv_length;
- tptr+=subtlv_length;
-
- }
- break;
-
- case LS_OPAQUE_TE_TLV_ROUTER:
- if (tlv_length < 4) {
- printf("\n\t TLV length %u < 4", tlv_length);
- return(ls_end);
- }
- TCHECK2(*tptr, 4);
- printf(", %s", ipaddr_string(tptr));
- break;
-
- default:
- if (vflag <= 1) {
- if(!print_unknown_data(tptr,"\n\t ",tlv_length))
- return(ls_end);
- }
- break;
- }
- tptr+=tlv_length;
- }
- break;
- }
- break;
- default:
- if (vflag <= 1) {
- if(!print_unknown_data((u_int8_t *)lsap->lsa_un.un_unknown,
- "\n\t ", ls_length))
- return(ls_end);
- }
- break;
- }
-
- /* do we want to see an additionally hexdump ? */
- if (vflag> 1)
- if(!print_unknown_data((u_int8_t *)lsap->lsa_un.un_unknown,
- "\n\t ", ls_length)) {
- return(ls_end);
- }
-
- return (ls_end);
-trunc:
- return (NULL);
-}
-
-static int
-ospf_decode_v2(register const struct ospfhdr *op,
- register const u_char *dataend)
-{
- register const struct in_addr *ap;
- register const struct lsr *lsrp;
- register const struct lsa_hdr *lshp;
- register const struct lsa *lsap;
- register u_int32_t lsa_count,lsa_count_max;
-
- switch (op->ospf_type) {
-
- case OSPF_TYPE_UMD:
- /*
- * Rob Coltun's special monitoring packets;
- * do nothing
- */
- break;
-
- case OSPF_TYPE_HELLO:
- printf("\n\tOptions: [%s]",
- bittok2str(ospf_option_values,"none",op->ospf_hello.hello_options));
-
- TCHECK(op->ospf_hello.hello_deadint);
- printf("\n\t Hello Timer: %us, Dead Timer %us, Mask: %s, Priority: %u",
- EXTRACT_16BITS(&op->ospf_hello.hello_helloint),
- EXTRACT_32BITS(&op->ospf_hello.hello_deadint),
- ipaddr_string(&op->ospf_hello.hello_mask),
- op->ospf_hello.hello_priority);
-
- TCHECK(op->ospf_hello.hello_dr);
- if (op->ospf_hello.hello_dr.s_addr != 0)
- printf("\n\t Designated Router %s",
- ipaddr_string(&op->ospf_hello.hello_dr));
-
- TCHECK(op->ospf_hello.hello_bdr);
- if (op->ospf_hello.hello_bdr.s_addr != 0)
- printf(", Backup Designated Router %s",
- ipaddr_string(&op->ospf_hello.hello_bdr));
-
- ap = op->ospf_hello.hello_neighbor;
- if ((u_char *)ap < dataend)
- printf("\n\t Neighbor List:");
- while ((u_char *)ap < dataend) {
- TCHECK(*ap);
- printf("\n\t %s", ipaddr_string(ap));
- ++ap;
- }
- break; /* HELLO */
-
- case OSPF_TYPE_DD:
- TCHECK(op->ospf_db.db_options);
- printf("\n\tOptions: [%s]",
- bittok2str(ospf_option_values,"none",op->ospf_db.db_options));
- TCHECK(op->ospf_db.db_flags);
- printf(", DD Flags: [%s]",
- bittok2str(ospf_dd_flag_values,"none",op->ospf_db.db_flags));
-
- if (vflag) {
- /* Print all the LS adv's */
- lshp = op->ospf_db.db_lshdr;
- while (ospf_print_lshdr(lshp) != -1) {
- ++lshp;
- }
- }
- break;
-
- case OSPF_TYPE_LS_REQ:
- lsrp = op->ospf_lsr;
- while ((u_char *)lsrp < dataend) {
- TCHECK(*lsrp);
-
- printf("\n\t Advertising Router: %s, %s LSA (%u)",
- ipaddr_string(&lsrp->ls_router),
- tok2str(lsa_values,"unknown",EXTRACT_32BITS(lsrp->ls_type)),
- EXTRACT_32BITS(&lsrp->ls_type));
-
- switch (EXTRACT_32BITS(lsrp->ls_type)) {
- /* the LSA header for opaque LSAs was slightly changed */
- case LS_TYPE_OPAQUE_LL:
- case LS_TYPE_OPAQUE_AL:
- case LS_TYPE_OPAQUE_DW:
- printf(", Opaque-Type: %s LSA (%u), Opaque-ID: %u",
- tok2str(lsa_opaque_values, "unknown",lsrp->un_ls_stateid.opaque_field.opaque_type),
- lsrp->un_ls_stateid.opaque_field.opaque_type,
- EXTRACT_24BITS(&lsrp->un_ls_stateid.opaque_field.opaque_id));
- break;
- default:
- printf(", LSA-ID: %s",
- ipaddr_string(&lsrp->un_ls_stateid.ls_stateid));
- break;
- }
-
- ++lsrp;
- }
- break;
-
- case OSPF_TYPE_LS_UPDATE:
- lsap = op->ospf_lsu.lsu_lsa;
- TCHECK(op->ospf_lsu.lsu_count);
- lsa_count_max = EXTRACT_32BITS(&op->ospf_lsu.lsu_count);
- printf(", %d LSA%s",lsa_count_max, lsa_count_max > 1 ? "s" : "");
- for (lsa_count=1;lsa_count <= lsa_count_max;lsa_count++) {
- printf("\n\t LSA #%u",lsa_count);
- lsap = (const struct lsa *)ospf_print_lsa(lsap);
- if (lsap == NULL)
- goto trunc;
- }
- break;
-
- case OSPF_TYPE_LS_ACK:
- lshp = op->ospf_lsa.lsa_lshdr;
- while (ospf_print_lshdr(lshp) != -1) {
- ++lshp;
- }
- break;
-
- default:
- printf("v2 type (%d)", op->ospf_type);
- break;
- }
- return (0);
-trunc:
- return (1);
-}
-
-void
-ospf_print(register const u_char *bp, register u_int length,
- const u_char *bp2 _U_)
-{
- register const struct ospfhdr *op;
- register const u_char *dataend;
- register const char *cp;
-
- op = (struct ospfhdr *)bp;
-
- /* XXX Before we do anything else, strip off the MD5 trailer */
- TCHECK(op->ospf_authtype);
- if (EXTRACT_16BITS(&op->ospf_authtype) == OSPF_AUTH_MD5) {
- length -= OSPF_AUTH_MD5_LEN;
- snapend -= OSPF_AUTH_MD5_LEN;
- }
-
- /* If the type is valid translate it, or just print the type */
- /* value. If it's not valid, say so and return */
- TCHECK(op->ospf_type);
- cp = tok2str(type2str, "unknown LS-type", op->ospf_type);
- printf("OSPFv%u, %s, length: %u",
- op->ospf_version,
- cp,
- length);
- if (*cp == 'u')
- return;
-
- if(!vflag) /* non verbose - so lets bail out here */
- return;
-
- TCHECK(op->ospf_len);
- if (length != EXTRACT_16BITS(&op->ospf_len)) {
- printf(" [len %d]", EXTRACT_16BITS(&op->ospf_len));
- return;
- }
- dataend = bp + length;
-
- TCHECK(op->ospf_routerid);
- printf("\n\tRouter-ID: %s", ipaddr_string(&op->ospf_routerid));
-
- TCHECK(op->ospf_areaid);
- if (op->ospf_areaid.s_addr != 0)
- printf(", Area %s", ipaddr_string(&op->ospf_areaid));
- else
- printf(", Backbone Area");
-
- if (vflag) {
- /* Print authentication data (should we really do this?) */
- TCHECK2(op->ospf_authdata[0], sizeof(op->ospf_authdata));
-
- printf(", Authentication Type: %s (%u)",
- tok2str(ospf_authtype_values,"unknown",EXTRACT_16BITS(&op->ospf_authtype)),
- EXTRACT_16BITS(&op->ospf_authtype));
-
- switch (EXTRACT_16BITS(&op->ospf_authtype)) {
-
- case OSPF_AUTH_NONE:
- break;
-
- case OSPF_AUTH_SIMPLE:
- printf("\n\tSimple text password: ");
- safeputs(op->ospf_authdata, OSPF_AUTH_SIMPLE_LEN);
- break;
-
- case OSPF_AUTH_MD5:
- printf("\n\tKey-ID: %u, Auth-Length: %u, Crypto Sequence Number: 0x%08x",
- *((op->ospf_authdata)+2),
- *((op->ospf_authdata)+3),
- EXTRACT_32BITS((op->ospf_authdata)+4));
- break;
-
- default:
- return;
- }
- }
- /* Do rest according to version. */
- switch (op->ospf_version) {
-
- case 2:
- /* ospf version 2 */
- if (ospf_decode_v2(op, dataend))
- goto trunc;
- break;
-
- default:
- printf(" ospf [version %d]", op->ospf_version);
- break;
- } /* end switch on version */
-
- return;
-trunc:
- fputs(tstr, stdout);
-}