diff options
Diffstat (limited to 'contrib/tcpdump/print-rsvp.c')
| -rw-r--r-- | contrib/tcpdump/print-rsvp.c | 178 |
1 files changed, 135 insertions, 43 deletions
diff --git a/contrib/tcpdump/print-rsvp.c b/contrib/tcpdump/print-rsvp.c index b3324b4..94ac6f0 100644 --- a/contrib/tcpdump/print-rsvp.c +++ b/contrib/tcpdump/print-rsvp.c @@ -1,4 +1,6 @@ /* + * Copyright (c) 1998-2005 The TCPDUMP project + * * 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 @@ -15,7 +17,7 @@ #ifndef lint static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.33.2.3 2005/06/16 00:50:12 guy Exp $"; + "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.33.2.8 2005/09/22 14:52:40 hannes Exp $"; #endif #ifdef HAVE_CONFIG_H @@ -115,7 +117,7 @@ static const struct tok rsvp_header_flag_values[] = { #define RSVP_OBJ_SESSION 1 /* rfc2205 */ #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */ -#define RSVP_OBJ_INTEGRITY 4 +#define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */ #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */ #define RSVP_OBJ_ERROR_SPEC 6 #define RSVP_OBJ_SCOPE 7 @@ -139,15 +141,16 @@ static const struct tok rsvp_header_flag_values[] = { #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */ #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */ #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */ -#define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */ -#define RSVP_OBJ_CLASSTYPE 125 /* draft-ietf-tewg-diff-te-proto-07 */ +#define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */ +#define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */ +#define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */ #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */ #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */ #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */ #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */ #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */ #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */ -#define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */ +#define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */ #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */ #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */ #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */ @@ -181,6 +184,7 @@ static const struct tok rsvp_obj_values[] = { { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" }, { RSVP_OBJ_DETOUR, "Detour" }, { RSVP_OBJ_CLASSTYPE, "Class Type" }, + { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" }, { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" }, { RSVP_OBJ_PROPERTIES, "Properties" }, { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" }, @@ -263,13 +267,40 @@ static const struct tok rsvp_ctype_values[] = { { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" }, { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" }, { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, - { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, + { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/ + { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */ { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" }, { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" }, + { 0, NULL} +}; + +struct rsvp_obj_integrity_t { + u_int8_t flags; + u_int8_t res; + u_int8_t key_id[6]; + u_int8_t sequence[8]; + u_int8_t digest[16]; +}; + +static const struct tok rsvp_obj_integrity_flag_values[] = { + { 0x80, "Handshake" }, { 0, NULL} }; +struct rsvp_obj_frr_t { + u_int8_t setup_prio; + u_int8_t hold_prio; + u_int8_t hop_limit; + u_int8_t flags; + u_int8_t bandwidth[4]; + u_int8_t include_any[4]; + u_int8_t exclude_any[4]; + u_int8_t include_all[4]; +}; + + #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f) #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80) @@ -288,7 +319,7 @@ static const struct tok rsvp_obj_xro_values[] = { { 0, NULL} }; -/* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */ +/* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */ static const struct tok rsvp_obj_rro_flag_values[] = { { 0x01, "Local protection available" }, { 0x02, "Local protection in use" }, @@ -348,12 +379,14 @@ static struct tok rsvp_obj_prop_tlv_values[] = { #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25 -#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 125 +#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28 +#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125 static struct tok rsvp_obj_error_code_values[] = { { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" }, { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" }, { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" }, + { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" }, { 0, NULL} }; @@ -372,14 +405,15 @@ static struct tok rsvp_obj_error_code_routing_values[] = { }; static struct tok rsvp_obj_error_code_diffserv_te_values[] = { - { 1, "Unexpected CLASSTYPE object" }, - { 2, "Unsupported Class-Type" }, - { 3, "Invalid Class-Type value" }, - { 4, "Class-Type and setup priority do not form a configured TE-Class" }, - { 5, "Class-Type and holding priority do not form a configured TE-Class" }, - { 6, "Inconsistency between signaled PSC and signaled Class-Type" }, - { 7, "Inconsistency between signaled PHBs and signaled Class-Type" }, - { 0, NULL} + { 1, "Unexpected CT object" }, + { 2, "Unsupported CT" }, + { 3, "Invalid CT value" }, + { 4, "CT/setup priority do not form a configured TE-Class" }, + { 5, "CT/holding priority do not form a configured TE-Class" }, + { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" }, + { 7, "Inconsistency between signaled PSC and signaled CT" }, + { 8, "Inconsistency between signaled PHBs and signaled CT" }, + { 0, NULL} }; #define FALSE 0 @@ -540,6 +574,11 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { const struct rsvp_object_header *rsvp_obj_header; const u_char *obj_tptr; + union { + const struct rsvp_obj_integrity_t *rsvp_obj_integrity; + const struct rsvp_obj_frr_t *rsvp_obj_frr; + } obj_ptr; + u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen; int hexdump,processed,padbytes,error_code,error_value,i; union { @@ -608,7 +647,7 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { printf("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x", ident, ipaddr_string(obj_tptr), - *(obj_tptr+4)); + *(obj_tptr+sizeof(struct in_addr))); printf("%s Flags: [0x%02x], DestPort %u", ident, *(obj_tptr+5), @@ -623,11 +662,11 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { printf("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x", ident, ip6addr_string(obj_tptr), - *(obj_tptr+16)); + *(obj_tptr+sizeof(struct in6_addr))); printf("%s Flags: [0x%02x], DestPort %u", ident, - *(obj_tptr+17), - EXTRACT_16BITS(obj_tptr+18)); + *(obj_tptr+sizeof(struct in6_addr)+1), + EXTRACT_16BITS(obj_tptr+sizeof(struct in6_addr)+2)); obj_tlen-=20; obj_tptr+=20; break; @@ -663,23 +702,23 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_OBJ_CONFIRM: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: - if (obj_tlen < 4) + if (obj_tlen < sizeof(struct in_addr)) return -1; printf("%s IPv4 Receiver Address: %s", ident, ipaddr_string(obj_tptr)); - obj_tlen-=4; - obj_tptr+=4; + obj_tlen-=sizeof(struct in_addr); + obj_tptr+=sizeof(struct in_addr); break; #ifdef INET6 case RSVP_CTYPE_IPV6: - if (obj_tlen < 16) + if (obj_tlen < sizeof(struct in6_addr)) return -1; printf("%s IPv6 Receiver Address: %s", ident, ip6addr_string(obj_tptr)); - obj_tlen-=16; - obj_tptr+=16; + obj_tlen-=sizeof(struct in6_addr); + obj_tptr+=sizeof(struct in6_addr); break; #endif default: @@ -690,23 +729,23 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_OBJ_NOTIFY_REQ: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: - if (obj_tlen < 4) + if (obj_tlen < sizeof(struct in_addr)) return -1; printf("%s IPv4 Notify Node Address: %s", ident, ipaddr_string(obj_tptr)); - obj_tlen-=4; - obj_tptr+=4; + obj_tlen-=sizeof(struct in_addr); + obj_tptr+=sizeof(struct in_addr); break; #ifdef INET6 case RSVP_CTYPE_IPV6: - if (obj_tlen < 16) + if (obj_tlen < sizeof(struct in6_addr)) return-1; printf("%s IPv6 Notify Node Address: %s", ident, ip6addr_string(obj_tptr)); - obj_tlen-=16; - obj_tptr+=16; + obj_tlen-=sizeof(struct in6_addr); + obj_tptr+=sizeof(struct in6_addr); break; #endif default: @@ -997,7 +1036,8 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { EXTRACT_32BITS(obj_tptr+4)); obj_tlen-=8; obj_tptr+=8; - hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */ + if (obj_tlen) + hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */ break; #ifdef INET6 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */ @@ -1136,24 +1176,46 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { break; case RSVP_OBJ_FASTREROUTE: + /* the differences between c-type 1 and 7 are minor */ + obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr; + bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth); + switch(rsvp_obj_ctype) { - case RSVP_CTYPE_TUNNEL_IPV4: + case RSVP_CTYPE_1: /* new style */ + if (obj_tlen < sizeof(struct rsvp_obj_frr_t)) + return-1; + printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", + ident, + (int)obj_ptr.rsvp_obj_frr->setup_prio, + (int)obj_ptr.rsvp_obj_frr->hold_prio, + (int)obj_ptr.rsvp_obj_frr->hop_limit, + bw.f*8/1000000); + printf("%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x", + ident, + EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any), + EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any), + EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)); + obj_tlen-=sizeof(struct rsvp_obj_frr_t); + obj_tptr+=sizeof(struct rsvp_obj_frr_t); + break; + + case RSVP_CTYPE_TUNNEL_IPV4: /* old style */ if (obj_tlen < 16) return-1; - bw.i = EXTRACT_32BITS(obj_tptr+4); printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", ident, - (int)*obj_tptr, - (int)*(obj_tptr+1), - (int)*(obj_tptr+2), + (int)obj_ptr.rsvp_obj_frr->setup_prio, + (int)obj_ptr.rsvp_obj_frr->hold_prio, + (int)obj_ptr.rsvp_obj_frr->hop_limit, bw.f*8/1000000); printf("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x", ident, - EXTRACT_32BITS(obj_tptr+8), - EXTRACT_32BITS(obj_tptr+12)); + EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any), + EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)); obj_tlen-=16; obj_tptr+=16; break; + default: hexdump=TRUE; } @@ -1177,9 +1239,10 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { break; case RSVP_OBJ_CLASSTYPE: + case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */ switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: - printf("%s Class Type: %u", + printf("%s CT: %u", ident, EXTRACT_32BITS(obj_tptr)&0x7); obj_tlen-=4; @@ -1211,7 +1274,8 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value), error_value); break; - case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: + case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */ + case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD: printf(", Error Value: %s (%u)", tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value), error_value); @@ -1317,12 +1381,40 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { } break; + case RSVP_OBJ_INTEGRITY: + switch(rsvp_obj_ctype) { + case RSVP_CTYPE_1: + if (obj_tlen < sizeof(struct rsvp_obj_integrity_t)) + return-1; + obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr; + printf("%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]", + ident, + EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id), + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2), + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence), + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4), + bittok2str(rsvp_obj_integrity_flag_values, + "none", + obj_ptr.rsvp_obj_integrity->flags)); + printf("%s MD5-sum 0x%08x%08x%08x%08x (unverified)", + ident, + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest), + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4), + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8), + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+12)); + obj_tlen+=sizeof(struct rsvp_obj_integrity_t); + obj_tptr+=sizeof(struct rsvp_obj_integrity_t); + break; + default: + hexdump=TRUE; + } + break; + /* * FIXME those are the defined objects that lack a decoder * you are welcome to contribute code ;-) */ - case RSVP_OBJ_INTEGRITY: case RSVP_OBJ_SCOPE: case RSVP_OBJ_POLICY_DATA: case RSVP_OBJ_LABEL_SET: |
