X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/a681cd86bd3c049cc31b19b0c0c48a225d25b33a..48ecdd0e0bb33d17852063fbf839b593f1dfc8bf:/print-rsvp.c diff --git a/print-rsvp.c b/print-rsvp.c index d6019039..5ed731c3 100644 --- a/print-rsvp.c +++ b/print-rsvp.c @@ -1,4 +1,6 @@ /* + * Copyright (c) 1998-2007 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 1.29 2004-07-21 21:43:26 guy Exp $"; + "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.48 2007-09-13 17:29:50 guy Exp $"; #endif #ifdef HAVE_CONFIG_H @@ -33,6 +35,7 @@ static const char rcsid[] _U_ = #include "addrtoname.h" #include "ethertype.h" #include "gmpls.h" +#include "af.h" /* * RFC 2205 common header @@ -115,7 +118,7 @@ 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 @@ -132,22 +135,25 @@ static const struct tok rsvp_header_flag_values[] = { #define RSVP_OBJ_ERO 20 /* rfc3209 */ #define RSVP_OBJ_RRO 21 /* rfc3209 */ #define RSVP_OBJ_HELLO 22 /* rfc3209 */ -#define RSVP_OBJ_MESSAGE_ID 23 -#define RSVP_OBJ_MESSAGE_ID_ACK 24 -#define RSVP_OBJ_MESSAGE_ID_LIST 25 +#define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */ +#define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */ +#define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */ #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */ #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_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_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */ #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */ #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */ @@ -179,10 +185,13 @@ static const struct tok rsvp_obj_values[] = { { RSVP_OBJ_LABEL_SET, "Label Set" }, { 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" }, { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" }, + { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" }, { RSVP_OBJ_CALL_ID, "Call-ID" }, { RSVP_OBJ_CALL_OPS, "Call Capability" }, { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" }, @@ -196,6 +205,7 @@ static const struct tok rsvp_obj_values[] = { #define RSVP_CTYPE_IPV6 2 #define RSVP_CTYPE_TUNNEL_IPV4 7 #define RSVP_CTYPE_TUNNEL_IPV6 8 +#define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */ #define RSVP_CTYPE_1 1 #define RSVP_CTYPE_2 2 #define RSVP_CTYPE_3 3 @@ -228,11 +238,13 @@ static const struct tok rsvp_ctype_values[] = { { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" }, { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" }, { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, + { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" }, { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" }, { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" }, { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" }, - { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" }, + { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" }, { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" }, { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" }, { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" }, @@ -261,12 +273,43 @@ 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_ADMIN_STATUS+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_GENERALIZED_UNI+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) @@ -285,7 +328,7 @@ 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" }, @@ -345,10 +388,14 @@ 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 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} }; @@ -366,9 +413,56 @@ static struct tok rsvp_obj_error_code_routing_values[] = { { 0, NULL} }; -#define FALSE 0 -#define TRUE 1 +static struct tok rsvp_obj_error_code_diffserv_te_values[] = { + { 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} +}; +/* rfc3473 / rfc 3471 */ +static const struct tok rsvp_obj_admin_status_flag_values[] = { + { 0x80000000, "Reflect" }, + { 0x00000004, "Testing" }, + { 0x00000002, "Admin-down" }, + { 0x00000001, "Delete-in-progress" }, + { 0, NULL} +}; + +/* label set actions - rfc3471 */ +#define LABEL_SET_INCLUSIVE_LIST 0 +#define LABEL_SET_EXCLUSIVE_LIST 1 +#define LABEL_SET_INCLUSIVE_RANGE 2 +#define LABEL_SET_EXCLUSIVE_RANGE 3 + +static const struct tok rsvp_obj_label_set_action_values[] = { + { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" }, + { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" }, + { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" }, + { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" }, + { 0, NULL} +}; + +/* OIF RSVP extensions UNI 1.0 Signaling, release 2 */ +#define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1 +#define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2 +#define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3 +#define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4 +#define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5 + +static const struct tok rsvp_obj_generalized_uni_values[] = { + { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" }, + { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" }, + { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" }, + { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" }, + { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" }, + { 0, NULL} +}; static int rsvp_intserv_print(const u_char *, u_short); @@ -520,10 +614,15 @@ rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) { } static int -rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { +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 { @@ -532,7 +631,9 @@ rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { } bw; u_int8_t namelen; - while(tlen>0) { + u_int action, subchannel; + + while(tlen>=sizeof(struct rsvp_object_header)) { /* did we capture enough for fully decoding the object header ? */ if (!TTEST2(*tptr, sizeof(struct rsvp_object_header))) goto trunc; @@ -541,8 +642,12 @@ rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length); rsvp_obj_ctype=rsvp_obj_header->ctype; - if(rsvp_obj_len % 4 || rsvp_obj_len < sizeof(struct rsvp_object_header)) { - printf("ERROR: object header too short %u < %lu", rsvp_obj_len, + if(rsvp_obj_len % 4) { + printf("%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len); + return -1; + } + if(rsvp_obj_len < sizeof(struct rsvp_object_header)) { + printf("%sERROR: object header too short %u < %lu", ident, rsvp_obj_len, (unsigned long)sizeof(const struct rsvp_object_header)); return -1; } @@ -566,6 +671,11 @@ rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { rsvp_obj_ctype, rsvp_obj_len); + if(tlen < rsvp_obj_len) { + printf("%sERROR: object goes past end of objects TLV", ident); + return -1; + } + obj_tptr=tptr+sizeof(struct rsvp_object_header); obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header); @@ -583,7 +693,7 @@ rsvp_obj_print (const u_char *tptr, const u_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), @@ -598,11 +708,11 @@ rsvp_obj_print (const u_char *tptr, const u_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; @@ -620,6 +730,7 @@ rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { break; #endif case RSVP_CTYPE_TUNNEL_IPV4: + case RSVP_CTYPE_UNI_IPV4: if (obj_tlen < 12) return -1; printf("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", @@ -638,23 +749,23 @@ rsvp_obj_print (const u_char *tptr, const u_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: @@ -665,23 +776,23 @@ rsvp_obj_print (const u_char *tptr, const u_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: @@ -836,7 +947,7 @@ rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { obj_tptr+=12; break; case RSVP_CTYPE_4: - if (obj_tlen < 8) + if (obj_tlen < 4) return-1; printf("%s LSP Encoding Type: %s (%u)", ident, @@ -854,8 +965,8 @@ rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { "Unknown", EXTRACT_16BITS(obj_tptr+2)), EXTRACT_16BITS(obj_tptr+2)); - obj_tlen-=8; - obj_tptr+=8; + obj_tlen-=4; + obj_tptr+=4; break; default: hexdump=TRUE; @@ -867,11 +978,18 @@ rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: while(obj_tlen >= 4 ) { - printf("%s Subobject Type: %s", + printf("%s Subobject Type: %s, length %u", ident, tok2str(rsvp_obj_xro_values, "Unknown %u", - RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr))); + RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)), + *(obj_tptr+1)); + + if (*(obj_tptr+1) == 0) { /* prevent infinite loops */ + printf("%s ERROR: zero length ERO subtype",ident); + break; + } + switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) { case RSVP_OBJ_XRO_IPV4: printf(", %s, %s/%u, Flags: [%s]", @@ -916,8 +1034,8 @@ rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { return-1; printf("%s Restart Time: %ums, Recovery Time: %ums", ident, - EXTRACT_16BITS(obj_tptr), - EXTRACT_16BITS(obj_tptr+4)); + EXTRACT_32BITS(obj_tptr), + EXTRACT_32BITS(obj_tptr+4)); obj_tlen-=8; obj_tptr+=8; break; @@ -953,6 +1071,106 @@ rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { } break; + case RSVP_OBJ_GENERALIZED_UNI: + switch(rsvp_obj_ctype) { + int subobj_type,af,subobj_len,total_subobj_len; + + case RSVP_CTYPE_1: + + if (obj_tlen < 4) + return-1; + + /* read variable length subobjects */ + total_subobj_len = obj_tlen; + while(total_subobj_len > 0) { + subobj_len = EXTRACT_16BITS(obj_tptr); + subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8; + af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF; + + printf("%s Subobject Type: %s (%u), AF: %s (%u), length: %u", + ident, + tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type), + subobj_type, + tok2str(af_values, "Unknown", af), af, + subobj_len); + + switch(subobj_type) { + case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS: + case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS: + + switch(af) { + case AFNUM_INET: + if (subobj_len < 8) + return -1; + printf("%s UNI IPv4 TNA address: %s", + ident, ipaddr_string(obj_tptr+4)); + break; +#ifdef INET6 + case AFNUM_INET6: + if (subobj_len < 20) + return -1; + printf("%s UNI IPv6 TNA address: %s", + ident, ip6addr_string(obj_tptr+4)); + break; +#endif + case AFNUM_NSAP: + if (subobj_len) { + /* unless we have a TLV parser lets just hexdump */ + hexdump=TRUE; + } + break; + } + break; + + case RSVP_GEN_UNI_SUBOBJ_DIVERSITY: + if (subobj_len) { + /* unless we have a TLV parser lets just hexdump */ + hexdump=TRUE; + } + break; + + case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL: + if (subobj_len < 16) { + return -1; + } + + printf("%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u", + ident, + ((EXTRACT_32BITS(obj_tptr+4))>>31), + ((EXTRACT_32BITS(obj_tptr+4))&0xFF), + EXTRACT_32BITS(obj_tptr+8), + EXTRACT_32BITS(obj_tptr+12)); + break; + + case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL: + if (subobj_len < 8) { + return -1; + } + + printf("%s Service level: %u", + ident, (EXTRACT_32BITS(obj_tptr+4))>>24); + break; + + default: + hexdump=TRUE; + break; + } + total_subobj_len-=subobj_len; + obj_tptr+=subobj_len; + obj_tlen+=subobj_len; + } + + if (total_subobj_len) { + /* unless we have a TLV parser lets just hexdump */ + hexdump=TRUE; + } + break; + + default: + hexdump=TRUE; + } + break; + case RSVP_OBJ_RSVP_HOP: switch(rsvp_obj_ctype) { case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */ @@ -965,7 +1183,8 @@ rsvp_obj_print (const u_char *tptr, const u_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 */ @@ -1104,24 +1323,46 @@ rsvp_obj_print (const u_char *tptr, const u_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; } @@ -1144,6 +1385,21 @@ rsvp_obj_print (const u_char *tptr, const u_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 CT: %u", + ident, + EXTRACT_32BITS(obj_tptr)&0x7); + obj_tlen-=4; + obj_tptr+=4; + break; + default: + hexdump=TRUE; + } + break; + case RSVP_OBJ_ERROR_SPEC: switch(rsvp_obj_ctype) { case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */ @@ -1152,7 +1408,7 @@ rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { return-1; error_code=*(obj_tptr+5); error_value=EXTRACT_16BITS(obj_tptr+6); - printf("%s Error Node Adress: %s, Flags: [0x%02x]%s Error Code: %s (%u)", + printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", ident, ipaddr_string(obj_tptr), *(obj_tptr+4), @@ -1165,6 +1421,12 @@ rsvp_obj_print (const u_char *tptr, const u_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: /* 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); + break; default: printf(", Unknown Error Value (%u)", error_value); break; @@ -1179,7 +1441,7 @@ rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { return-1; error_code=*(obj_tptr+17); error_value=EXTRACT_16BITS(obj_tptr+18); - printf("%s Error Node Adress: %s, Flags: [0x%02x]%s Error Code: %s (%u)", + printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", ident, ip6addr_string(obj_tptr), *(obj_tptr+16), @@ -1226,6 +1488,8 @@ rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { *(obj_tptr+1)); if (obj_tlen < *(obj_tptr+1)) return-1; + if (*(obj_tptr+1) < 2) + return -1; print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2); obj_tlen-=*(obj_tptr+1); obj_tptr+=*(obj_tptr+1); @@ -1241,6 +1505,7 @@ rsvp_obj_print (const u_char *tptr, const u_char *ident, u_int tlen) { case RSVP_OBJ_MESSAGE_ID_LIST: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: + case RSVP_CTYPE_2: if (obj_tlen < 8) return-1; printf("%s Flags [0x%02x], epoch: %u", @@ -1264,25 +1529,112 @@ rsvp_obj_print (const u_char *tptr, const u_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; + + case RSVP_OBJ_ADMIN_STATUS: + switch(rsvp_obj_ctype) { + case RSVP_CTYPE_1: + if (obj_tlen < 4) + return-1; + printf("%s Flags [%s]", ident, + bittok2str(rsvp_obj_admin_status_flag_values, "none", + EXTRACT_32BITS(obj_tptr))); + obj_tlen-=4; + obj_tptr+=4; + break; + default: + hexdump=TRUE; + } + break; + + case RSVP_OBJ_LABEL_SET: + switch(rsvp_obj_ctype) { + case RSVP_CTYPE_1: + if (obj_tlen < 4) + return-1; + action = (EXTRACT_16BITS(obj_tptr)>>8); + + printf("%s Action: %s (%u), Label type: %u", ident, + tok2str(rsvp_obj_label_set_action_values, "Unknown", action), + action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))); + + switch (action) { + case LABEL_SET_INCLUSIVE_RANGE: + case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */ + + /* only a couple of subchannels are expected */ + if (obj_tlen < 12) + return -1; + printf("%s Start range: %u, End range: %u", ident, + EXTRACT_32BITS(obj_tptr+4), + EXTRACT_32BITS(obj_tptr+8)); + obj_tlen-=12; + obj_tptr+=12; + break; + + default: + obj_tlen-=4; + obj_tptr+=4; + subchannel = 1; + while(obj_tlen >= 4 ) { + printf("%s Subchannel #%u: %u", ident, subchannel, + EXTRACT_32BITS(obj_tptr)); + obj_tptr+=4; + obj_tlen-=4; + subchannel++; + } + break; + } + break; + + default: + hexdump=TRUE; + } + /* * 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: case RSVP_OBJ_ACCEPT_LABEL_SET: case RSVP_OBJ_PROTECTION: default: if (vflag <= 1) - print_unknown_data(obj_tptr,"\n\t ",obj_tlen); /* FIXME identation */ + print_unknown_data(obj_tptr,"\n\t ",obj_tlen); /* FIXME indentation */ break; } - /* do we want to see an additionally hexdump ? */ + /* do we also want to see a hex dump ? */ if (vflag > 1 || hexdump==TRUE) - print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", /* FIXME identation */ + print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", /* FIXME indentation */ rsvp_obj_len-sizeof(struct rsvp_object_header)); tptr+=rsvp_obj_len; @@ -1380,6 +1732,12 @@ rsvp_print(register const u_char *pptr, register u_int len) { return; } + if (tlen < subtlen) { + printf("ERROR: common header too large %u > %u", subtlen, + tlen); + return; + } + subtptr+=sizeof(const struct rsvp_common_header); subtlen-=sizeof(const struct rsvp_common_header);