diff options
Diffstat (limited to 'contrib/tcpdump/print-ospf.c')
| -rw-r--r-- | contrib/tcpdump/print-ospf.c | 971 |
1 files changed, 0 insertions, 971 deletions
diff --git a/contrib/tcpdump/print-ospf.c b/contrib/tcpdump/print-ospf.c deleted file mode 100644 index 634849b699cc..000000000000 --- a/contrib/tcpdump/print-ospf.c +++ /dev/null @@ -1,971 +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 1.56.2.3 2005/08/23 11:16:29 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_NONE, "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: - if (fn_printn(op->ospf_authdata, - sizeof(op->ospf_authdata), snapend)) { - printf("\""); - goto trunc; - } - printf("\""); - 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); -} |