/* * 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 * in its entirety, and (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. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE. * * Original code by Hannes Gredler (hannes@juniper.net) */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include "netdissect.h" #include "extract.h" #include "addrtoname.h" #include "ethertype.h" #include "gmpls.h" #include "af.h" #include "signature.h" /* * RFC 2205 common header * * 0 1 2 3 * +-------------+-------------+-------------+-------------+ * | Vers | Flags| Msg Type | RSVP Checksum | * +-------------+-------------+-------------+-------------+ * | Send_TTL | (Reserved) | RSVP Length | * +-------------+-------------+-------------+-------------+ * */ struct rsvp_common_header { uint8_t version_flags; uint8_t msg_type; uint8_t checksum[2]; uint8_t ttl; uint8_t reserved; uint8_t length[2]; }; /* * RFC2205 object header * * * 0 1 2 3 * +-------------+-------------+-------------+-------------+ * | Length (bytes) | Class-Num | C-Type | * +-------------+-------------+-------------+-------------+ * | | * // (Object contents) // * | | * +-------------+-------------+-------------+-------------+ */ struct rsvp_object_header { uint8_t length[2]; uint8_t class_num; uint8_t ctype; }; #define RSVP_VERSION 1 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4) #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f) #define RSVP_MSGTYPE_PATH 1 #define RSVP_MSGTYPE_RESV 2 #define RSVP_MSGTYPE_PATHERR 3 #define RSVP_MSGTYPE_RESVERR 4 #define RSVP_MSGTYPE_PATHTEAR 5 #define RSVP_MSGTYPE_RESVTEAR 6 #define RSVP_MSGTYPE_RESVCONF 7 #define RSVP_MSGTYPE_AGGREGATE 12 #define RSVP_MSGTYPE_ACK 13 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */ #define RSVP_MSGTYPE_SREFRESH 15 #define RSVP_MSGTYPE_HELLO 20 static const struct tok rsvp_msg_type_values[] = { { RSVP_MSGTYPE_PATH, "Path" }, { RSVP_MSGTYPE_RESV, "Resv" }, { RSVP_MSGTYPE_PATHERR, "PathErr" }, { RSVP_MSGTYPE_RESVERR, "ResvErr" }, { RSVP_MSGTYPE_PATHTEAR, "PathTear" }, { RSVP_MSGTYPE_RESVTEAR, "ResvTear" }, { RSVP_MSGTYPE_RESVCONF, "ResvConf" }, { RSVP_MSGTYPE_AGGREGATE, "Aggregate" }, { RSVP_MSGTYPE_ACK, "Acknowledgement" }, { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" }, { RSVP_MSGTYPE_SREFRESH, "Refresh" }, { RSVP_MSGTYPE_HELLO, "Hello" }, { 0, NULL} }; static const struct tok rsvp_header_flag_values[] = { { 0x01, "Refresh reduction capable" }, /* rfc2961 */ { 0, NULL} }; #define RSVP_OBJ_SESSION 1 /* rfc2205 */ #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */ #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */ #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */ #define RSVP_OBJ_ERROR_SPEC 6 #define RSVP_OBJ_SCOPE 7 #define RSVP_OBJ_STYLE 8 /* rfc2205 */ #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */ #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */ #define RSVP_OBJ_SENDER_TEMPLATE 11 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */ #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */ #define RSVP_OBJ_POLICY_DATA 14 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */ #define RSVP_OBJ_LABEL 16 /* rfc3209 */ #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */ #define RSVP_OBJ_ERO 20 /* rfc3209 */ #define RSVP_OBJ_RRO 21 /* rfc3209 */ #define RSVP_OBJ_HELLO 22 /* rfc3209 */ #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_S2L 50 /* rfc4875 */ #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-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 */ static const struct tok rsvp_obj_values[] = { { RSVP_OBJ_SESSION, "Session" }, { RSVP_OBJ_RSVP_HOP, "RSVP Hop" }, { RSVP_OBJ_INTEGRITY, "Integrity" }, { RSVP_OBJ_TIME_VALUES, "Time Values" }, { RSVP_OBJ_ERROR_SPEC, "Error Spec" }, { RSVP_OBJ_SCOPE, "Scope" }, { RSVP_OBJ_STYLE, "Style" }, { RSVP_OBJ_FLOWSPEC, "Flowspec" }, { RSVP_OBJ_FILTERSPEC, "FilterSpec" }, { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" }, { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" }, { RSVP_OBJ_ADSPEC, "Adspec" }, { RSVP_OBJ_POLICY_DATA, "Policy Data" }, { RSVP_OBJ_CONFIRM, "Confirm" }, { RSVP_OBJ_LABEL, "Label" }, { RSVP_OBJ_LABEL_REQ, "Label Request" }, { RSVP_OBJ_ERO, "ERO" }, { RSVP_OBJ_RRO, "RRO" }, { RSVP_OBJ_HELLO, "Hello" }, { RSVP_OBJ_MESSAGE_ID, "Message ID" }, { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" }, { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" }, { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" }, { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" }, { 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" }, { RSVP_OBJ_NOTIFY_REQ, "Notify Request" }, { RSVP_OBJ_PROTECTION, "Protection" }, { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" }, { RSVP_OBJ_S2L, "Sub-LSP to LSP" }, { 0, NULL} }; #define RSVP_CTYPE_IPV4 1 #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 #define RSVP_CTYPE_4 4 #define RSVP_CTYPE_12 12 #define RSVP_CTYPE_13 13 #define RSVP_CTYPE_14 14 /* * the ctypes are not globally unique so for * translating it to strings we build a table based * on objects offsetted by the ctype */ static const struct tok rsvp_ctype_values[] = { { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" }, { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" }, { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" }, { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" }, { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" }, { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" }, { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" }, { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" }, { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" }, { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" }, { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" }, { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" }, { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" }, { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" }, { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" }, { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" }, { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" }, { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" }, { 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_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" }, { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" }, { 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_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" }, { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" }, { 256*RSVP_OBJ_MESSAGE_ID+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" }, { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" }, { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" }, { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" }, { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" }, { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" }, { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" }, { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" }, { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" }, { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" }, { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" }, { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" }, { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" }, { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" }, { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" }, { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" }, { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" }, { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" }, { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" }, { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" }, { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" }, { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" }, { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" }, { 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" }, /* 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" }, { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" }, { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" }, { 0, NULL} }; struct rsvp_obj_integrity_t { uint8_t flags; uint8_t res; uint8_t key_id[6]; uint8_t sequence[8]; uint8_t digest[16]; }; static const struct tok rsvp_obj_integrity_flag_values[] = { { 0x80, "Handshake" }, { 0, NULL} }; struct rsvp_obj_frr_t { uint8_t setup_prio; uint8_t hold_prio; uint8_t hop_limit; uint8_t flags; uint8_t bandwidth[4]; uint8_t include_any[4]; uint8_t exclude_any[4]; uint8_t include_all[4]; }; #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f) #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80) #define RSVP_OBJ_XRO_RES 0 #define RSVP_OBJ_XRO_IPV4 1 #define RSVP_OBJ_XRO_IPV6 2 #define RSVP_OBJ_XRO_LABEL 3 #define RSVP_OBJ_XRO_ASN 32 #define RSVP_OBJ_XRO_MPLS 64 static const struct tok rsvp_obj_xro_values[] = { { RSVP_OBJ_XRO_RES, "Reserved" }, { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" }, { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" }, { RSVP_OBJ_XRO_LABEL, "Label" }, { RSVP_OBJ_XRO_ASN, "Autonomous system number" }, { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" }, { 0, NULL} }; /* 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" }, { 0x04, "Bandwidth protection" }, { 0x08, "Node protection" }, { 0, NULL} }; /* RFC3209 */ static const struct tok rsvp_obj_rro_label_flag_values[] = { { 0x01, "Global" }, { 0, NULL} }; static const struct tok rsvp_resstyle_values[] = { { 17, "Wildcard Filter" }, { 10, "Fixed Filter" }, { 18, "Shared Explicit" }, { 0, NULL} }; #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5 static const struct tok rsvp_intserv_service_type_values[] = { { 1, "Default/Global Information" }, { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" }, { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" }, { 0, NULL} }; static const struct tok rsvp_intserv_parameter_id_values[] = { { 4, "IS hop cnt" }, { 6, "Path b/w estimate" }, { 8, "Minimum path latency" }, { 10, "Composed MTU" }, { 127, "Token Bucket TSpec" }, { 130, "Guaranteed Service RSpec" }, { 133, "End-to-end composed value for C" }, { 134, "End-to-end composed value for D" }, { 135, "Since-last-reshaping point composed C" }, { 136, "Since-last-reshaping point composed D" }, { 0, NULL} }; static const struct tok rsvp_session_attribute_flag_values[] = { { 0x01, "Local Protection" }, { 0x02, "Label Recording" }, { 0x04, "SE Style" }, { 0x08, "Bandwidth protection" }, /* RFC4090 */ { 0x10, "Node protection" }, /* RFC4090 */ { 0, NULL} }; static const struct tok rsvp_obj_prop_tlv_values[] = { { 0x01, "Cos" }, { 0x02, "Metric 1" }, { 0x04, "Metric 2" }, { 0x08, "CCC Status" }, { 0x10, "Path Type" }, { 0, NULL} }; #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 const 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} }; static const struct tok rsvp_obj_error_code_routing_values[] = { { 1, "Bad EXPLICIT_ROUTE object" }, { 2, "Bad strict node" }, { 3, "Bad loose node" }, { 4, "Bad initial subobject" }, { 5, "No route available toward destination" }, { 6, "Unacceptable label value" }, { 7, "RRO indicated routing loops" }, { 8, "non-RSVP-capable router in the path" }, { 9, "MPLS label allocation failure" }, { 10, "Unsupported L3PID" }, { 0, NULL} }; static const 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} }; /* * this is a dissector for all the intserv defined * specs as defined per rfc2215 * it is called from various rsvp objects; * returns the amount of bytes being processed */ static int rsvp_intserv_print(netdissect_options *ndo, const u_char *tptr, u_short obj_tlen) { int parameter_id,parameter_length; union { float f; uint32_t i; } bw; if (obj_tlen < 4) return 0; parameter_id = *(tptr); parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */ ND_PRINT((ndo, "\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]", tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id), parameter_id, parameter_length, *(tptr + 1))); if (obj_tlen < parameter_length+4) return 0; switch(parameter_id) { /* parameter_id */ case 4: /* * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | 4 (e) | (f) | 1 (g) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | IS hop cnt (32-bit unsigned integer) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ if (parameter_length == 4) ND_PRINT((ndo, "\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr + 4))); break; case 6: /* * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | 6 (h) | (i) | 1 (j) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Path b/w estimate (32-bit IEEE floating point number) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ if (parameter_length == 4) { bw.i = EXTRACT_32BITS(tptr+4); ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000)); } break; case 8: /* * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | 8 (k) | (l) | 1 (m) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Minimum path latency (32-bit integer) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ if (parameter_length == 4) { ND_PRINT((ndo, "\n\t\tMinimum path latency: ")); if (EXTRACT_32BITS(tptr+4) == 0xffffffff) ND_PRINT((ndo, "don't care")); else ND_PRINT((ndo, "%u", EXTRACT_32BITS(tptr + 4))); } break; case 10: /* * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | 10 (n) | (o) | 1 (p) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Composed MTU (32-bit unsigned integer) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ if (parameter_length == 4) ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr + 4))); break; case 127: /* * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | 127 (e) | 0 (f) | 5 (g) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Token Bucket Rate [r] (32-bit IEEE floating point number) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Token Bucket Size [b] (32-bit IEEE floating point number) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Peak Data Rate [p] (32-bit IEEE floating point number) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Minimum Policed Unit [m] (32-bit integer) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Maximum Packet Size [M] (32-bit integer) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ if (parameter_length == 20) { bw.i = EXTRACT_32BITS(tptr+4); ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000)); bw.i = EXTRACT_32BITS(tptr+8); ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f)); bw.i = EXTRACT_32BITS(tptr+12); ND_PRINT((ndo, "\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000)); ND_PRINT((ndo, "\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr + 16))); ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr + 20))); } break; case 130: /* * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | 130 (h) | 0 (i) | 2 (j) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Rate [R] (32-bit IEEE floating point number) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Slack Term [S] (32-bit integer) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ if (parameter_length == 8) { bw.i = EXTRACT_32BITS(tptr+4); ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000)); ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr + 8))); } break; case 133: case 134: case 135: case 136: if (parameter_length == 4) ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_32BITS(tptr + 4))); break; default: if (ndo->ndo_vflag <= 1) print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length); } return (parameter_length+4); /* header length 4 bytes */ } static int rsvp_obj_print(netdissect_options *ndo, const u_char *pptr #ifndef HAVE_LIBCRYPTO _U_ #endif , u_int plen #ifndef HAVE_LIBCRYPTO _U_ #endif , 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,sigcheck; union { float f; uint32_t i; } bw; uint8_t namelen; u_int action, subchannel; while(tlen>=sizeof(struct rsvp_object_header)) { /* did we capture enough for fully decoding the object header ? */ ND_TCHECK2(*tptr, sizeof(struct rsvp_object_header)); rsvp_obj_header = (const struct rsvp_object_header *)tptr; rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length); rsvp_obj_ctype=rsvp_obj_header->ctype; if(rsvp_obj_len % 4) { ND_PRINT((ndo, "%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)) { ND_PRINT((ndo, "%sERROR: object header too short %u < %lu", ident, rsvp_obj_len, (unsigned long)sizeof(const struct rsvp_object_header))); return -1; } ND_PRINT((ndo, "%s%s Object (%u) Flags: [%s", ident, tok2str(rsvp_obj_values, "Unknown", rsvp_obj_header->class_num), rsvp_obj_header->class_num, ((rsvp_obj_header->class_num) & 0x80) ? "ignore" : "reject")); if (rsvp_obj_header->class_num > 128) ND_PRINT((ndo, " %s", ((rsvp_obj_header->class_num) & 0x40) ? "and forward" : "silently")); ND_PRINT((ndo, " if unknown], Class-Type: %s (%u), length: %u", tok2str(rsvp_ctype_values, "Unknown", ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype), rsvp_obj_ctype, rsvp_obj_len)); if(tlen < rsvp_obj_len) { ND_PRINT((ndo, "%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); /* did we capture enough for fully decoding the object ? */ if (!ND_TTEST2(*tptr, rsvp_obj_len)) return -1; hexdump=FALSE; switch(rsvp_obj_header->class_num) { case RSVP_OBJ_SESSION: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: if (obj_tlen < 8) return -1; ND_PRINT((ndo, "%s IPv4 DestAddress: %s, Protocol ID: 0x%02x", ident, ipaddr_string(ndo, obj_tptr), *(obj_tptr + sizeof(struct in_addr)))); ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u", ident, *(obj_tptr+5), EXTRACT_16BITS(obj_tptr + 6))); obj_tlen-=8; obj_tptr+=8; break; #ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < 20) return -1; ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x", ident, ip6addr_string(ndo, obj_tptr), *(obj_tptr + sizeof(struct in6_addr)))); ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u", ident, *(obj_tptr+sizeof(struct in6_addr)+1), EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2))); obj_tlen-=20; obj_tptr+=20; break; case RSVP_CTYPE_TUNNEL_IPV6: if (obj_tlen < 36) return -1; ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", ident, ip6addr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr+18), ip6addr_string(ndo, obj_tptr + 20))); obj_tlen-=36; obj_tptr+=36; break; case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */ if (obj_tlen < 26) return -1; ND_PRINT((ndo, "%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", ident, EXTRACT_32BITS(obj_tptr), EXTRACT_16BITS(obj_tptr+6), ip6addr_string(ndo, obj_tptr + 8))); obj_tlen-=26; obj_tptr+=26; break; #endif case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */ if (obj_tlen < 12) return -1; ND_PRINT((ndo, "%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", ident, ipaddr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr+6), ipaddr_string(ndo, obj_tptr + 8))); obj_tlen-=12; obj_tptr+=12; break; case RSVP_CTYPE_TUNNEL_IPV4: case RSVP_CTYPE_UNI_IPV4: if (obj_tlen < 12) return -1; ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", ident, ipaddr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr+6), ipaddr_string(ndo, obj_tptr + 8))); obj_tlen-=12; obj_tptr+=12; break; default: hexdump=TRUE; } break; case RSVP_OBJ_CONFIRM: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: if (obj_tlen < sizeof(struct in_addr)) return -1; ND_PRINT((ndo, "%s IPv4 Receiver Address: %s", ident, ipaddr_string(ndo, obj_tptr))); obj_tlen-=sizeof(struct in_addr); obj_tptr+=sizeof(struct in_addr); break; #ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < sizeof(struct in6_addr)) return -1; ND_PRINT((ndo, "%s IPv6 Receiver Address: %s", ident, ip6addr_string(ndo, obj_tptr))); obj_tlen-=sizeof(struct in6_addr); obj_tptr+=sizeof(struct in6_addr); break; #endif default: hexdump=TRUE; } break; case RSVP_OBJ_NOTIFY_REQ: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: if (obj_tlen < sizeof(struct in_addr)) return -1; ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s", ident, ipaddr_string(ndo, obj_tptr))); obj_tlen-=sizeof(struct in_addr); obj_tptr+=sizeof(struct in_addr); break; #ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < sizeof(struct in6_addr)) return-1; ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s", ident, ip6addr_string(ndo, obj_tptr))); obj_tlen-=sizeof(struct in6_addr); obj_tptr+=sizeof(struct in6_addr); break; #endif default: hexdump=TRUE; } break; case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */ case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */ case RSVP_OBJ_RECOVERY_LABEL: /* fall through */ case RSVP_OBJ_LABEL: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: while(obj_tlen >= 4 ) { ND_PRINT((ndo, "%s Label: %u", ident, EXTRACT_32BITS(obj_tptr))); obj_tlen-=4; obj_tptr+=4; } break; case RSVP_CTYPE_2: if (obj_tlen < 4) return-1; ND_PRINT((ndo, "%s Generalized Label: %u", ident, EXTRACT_32BITS(obj_tptr))); obj_tlen-=4; obj_tptr+=4; break; case RSVP_CTYPE_3: if (obj_tlen < 12) return-1; ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u", ident, EXTRACT_32BITS(obj_tptr), ident, EXTRACT_32BITS(obj_tptr+4), EXTRACT_32BITS(obj_tptr + 8))); obj_tlen-=12; obj_tptr+=12; break; default: hexdump=TRUE; } break; case RSVP_OBJ_STYLE: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: if (obj_tlen < 4) return-1; ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]", ident, tok2str(rsvp_resstyle_values, "Unknown", EXTRACT_24BITS(obj_tptr+1)), *(obj_tptr))); obj_tlen-=4; obj_tptr+=4; break; default: hexdump=TRUE; } break; case RSVP_OBJ_SENDER_TEMPLATE: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: if (obj_tlen < 8) return-1; ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u", ident, ipaddr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr + 6))); obj_tlen-=8; obj_tptr+=8; break; #ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < 20) return-1; ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u", ident, ip6addr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr + 18))); obj_tlen-=20; obj_tptr+=20; break; case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */ if (obj_tlen < 40) return-1; ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x" "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", ident, ip6addr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr+18), ident, ip6addr_string(ndo, obj_tptr+20), EXTRACT_16BITS(obj_tptr + 38))); obj_tlen-=40; obj_tptr+=40; break; #endif case RSVP_CTYPE_TUNNEL_IPV4: if (obj_tlen < 8) return-1; ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x", ident, ipaddr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr + 6))); obj_tlen-=8; obj_tptr+=8; break; case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */ if (obj_tlen < 16) return-1; ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x" "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", ident, ipaddr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr+6), ident, ipaddr_string(ndo, obj_tptr+8), EXTRACT_16BITS(obj_tptr + 12))); obj_tlen-=16; obj_tptr+=16; break; default: hexdump=TRUE; } break; case RSVP_OBJ_LABEL_REQ: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: while(obj_tlen >= 4 ) { ND_PRINT((ndo, "%s L3 Protocol ID: %s", ident, tok2str(ethertype_values, "Unknown Protocol (0x%04x)", EXTRACT_16BITS(obj_tptr + 2)))); obj_tlen-=4; obj_tptr+=4; } break; case RSVP_CTYPE_2: if (obj_tlen < 12) return-1; ND_PRINT((ndo, "%s L3 Protocol ID: %s", ident, tok2str(ethertype_values, "Unknown Protocol (0x%04x)", EXTRACT_16BITS(obj_tptr + 2)))); ND_PRINT((ndo, ",%s merge capability",((*(obj_tptr + 4)) & 0x80) ? "no" : "" )); ND_PRINT((ndo, "%s Minimum VPI/VCI: %u/%u", ident, (EXTRACT_16BITS(obj_tptr+4))&0xfff, (EXTRACT_16BITS(obj_tptr + 6)) & 0xfff)); ND_PRINT((ndo, "%s Maximum VPI/VCI: %u/%u", ident, (EXTRACT_16BITS(obj_tptr+8))&0xfff, (EXTRACT_16BITS(obj_tptr + 10)) & 0xfff)); obj_tlen-=12; obj_tptr+=12; break; case RSVP_CTYPE_3: if (obj_tlen < 12) return-1; ND_PRINT((ndo, "%s L3 Protocol ID: %s", ident, tok2str(ethertype_values, "Unknown Protocol (0x%04x)", EXTRACT_16BITS(obj_tptr + 2)))); ND_PRINT((ndo, "%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI", ident, (EXTRACT_32BITS(obj_tptr+4))&0x7fffff, (EXTRACT_32BITS(obj_tptr+8))&0x7fffff, (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "", (((EXTRACT_16BITS(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : "")); obj_tlen-=12; obj_tptr+=12; break; case RSVP_CTYPE_4: if (obj_tlen < 4) return-1; ND_PRINT((ndo, "%s LSP Encoding Type: %s (%u)", ident, tok2str(gmpls_encoding_values, "Unknown", *obj_tptr), *obj_tptr)); ND_PRINT((ndo, "%s Switching Type: %s (%u), Payload ID: %s (0x%04x)", ident, tok2str(gmpls_switch_cap_values, "Unknown", *(obj_tptr+1)), *(obj_tptr+1), tok2str(gmpls_payload_values, "Unknown", EXTRACT_16BITS(obj_tptr+2)), EXTRACT_16BITS(obj_tptr + 2))); obj_tlen-=4; obj_tptr+=4; break; default: hexdump=TRUE; } break; case RSVP_OBJ_RRO: case RSVP_OBJ_ERO: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: while(obj_tlen >= 4 ) { ND_PRINT((ndo, "%s Subobject Type: %s, length %u", ident, tok2str(rsvp_obj_xro_values, "Unknown %u", RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)), *(obj_tptr + 1))); if (*(obj_tptr+1) == 0) { /* prevent infinite loops */ ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident)); break; } switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) { case RSVP_OBJ_XRO_IPV4: ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]", RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict", ipaddr_string(ndo, obj_tptr+2), *(obj_tptr+6), bittok2str(rsvp_obj_rro_flag_values, "none", *(obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */ break; case RSVP_OBJ_XRO_LABEL: ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u", bittok2str(rsvp_obj_rro_label_flag_values, "none", *(obj_tptr+2)), *(obj_tptr+2), tok2str(rsvp_ctype_values, "Unknown", *(obj_tptr+3) + 256*RSVP_OBJ_RRO), *(obj_tptr+3), EXTRACT_32BITS(obj_tptr + 4))); } obj_tlen-=*(obj_tptr+1); obj_tptr+=*(obj_tptr+1); } break; default: hexdump=TRUE; } break; case RSVP_OBJ_HELLO: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: case RSVP_CTYPE_2: if (obj_tlen < 8) return-1; ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x", ident, EXTRACT_32BITS(obj_tptr), EXTRACT_32BITS(obj_tptr + 4))); obj_tlen-=8; obj_tptr+=8; break; default: hexdump=TRUE; } break; case RSVP_OBJ_RESTART_CAPABILITY: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: if (obj_tlen < 8) return-1; ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums", ident, EXTRACT_32BITS(obj_tptr), EXTRACT_32BITS(obj_tptr + 4))); obj_tlen-=8; obj_tptr+=8; break; default: hexdump=TRUE; } break; case RSVP_OBJ_SESSION_ATTRIBUTE: switch(rsvp_obj_ctype) { case RSVP_CTYPE_TUNNEL_IPV4: if (obj_tlen < 4) return-1; namelen = *(obj_tptr+3); if (obj_tlen < 4+namelen) return-1; ND_PRINT((ndo, "%s Session Name: ", ident)); for (i = 0; i < namelen; i++) safeputchar(ndo, *(obj_tptr + 4 + i)); ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)", ident, (int)*obj_tptr, (int)*(obj_tptr+1), bittok2str(rsvp_session_attribute_flag_values, "none", *(obj_tptr+2)), *(obj_tptr + 2))); obj_tlen-=4+*(obj_tptr+3); obj_tptr+=4+*(obj_tptr+3); break; default: hexdump=TRUE; } 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; ND_PRINT((ndo, "%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; ND_PRINT((ndo, "%s UNI IPv4 TNA address: %s", ident, ipaddr_string(ndo, obj_tptr + 4))); break; #ifdef INET6 case AFNUM_INET6: if (subobj_len < 20) return -1; ND_PRINT((ndo, "%s UNI IPv6 TNA address: %s", ident, ip6addr_string(ndo, 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; } ND_PRINT((ndo, "%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; } ND_PRINT((ndo, "%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 */ case RSVP_CTYPE_IPV4: if (obj_tlen < 8) return-1; ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", ident, ipaddr_string(ndo, obj_tptr), EXTRACT_32BITS(obj_tptr + 4))); obj_tlen-=8; obj_tptr+=8; 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 */ case RSVP_CTYPE_IPV6: if (obj_tlen < 20) return-1; ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", ident, ip6addr_string(ndo, obj_tptr), EXTRACT_32BITS(obj_tptr + 16))); obj_tlen-=20; obj_tptr+=20; hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */ break; #endif default: hexdump=TRUE; } break; case RSVP_OBJ_TIME_VALUES: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: if (obj_tlen < 4) return-1; ND_PRINT((ndo, "%s Refresh Period: %ums", ident, EXTRACT_32BITS(obj_tptr))); obj_tlen-=4; obj_tptr+=4; break; default: hexdump=TRUE; } break; /* those three objects do share the same semantics */ case RSVP_OBJ_SENDER_TSPEC: case RSVP_OBJ_ADSPEC: case RSVP_OBJ_FLOWSPEC: switch(rsvp_obj_ctype) { case RSVP_CTYPE_2: if (obj_tlen < 4) return-1; ND_PRINT((ndo, "%s Msg-Version: %u, length: %u", ident, (*obj_tptr & 0xf0) >> 4, EXTRACT_16BITS(obj_tptr + 2) << 2)); obj_tptr+=4; /* get to the start of the service header */ obj_tlen-=4; while (obj_tlen >= 4) { intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2; ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u", ident, tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)), *(obj_tptr), (*(obj_tptr+1)&0x80) ? "" : "not", intserv_serv_tlen)); obj_tptr+=4; /* get to the start of the parameter list */ obj_tlen-=4; while (intserv_serv_tlen>=4) { processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen); if (processed == 0) break; obj_tlen-=processed; intserv_serv_tlen-=processed; obj_tptr+=processed; } } break; default: hexdump=TRUE; } break; case RSVP_OBJ_FILTERSPEC: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: if (obj_tlen < 8) return-1; ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u", ident, ipaddr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr + 6))); obj_tlen-=8; obj_tptr+=8; break; #ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < 20) return-1; ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u", ident, ip6addr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr + 18))); obj_tlen-=20; obj_tptr+=20; break; case RSVP_CTYPE_3: if (obj_tlen < 20) return-1; ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u", ident, ip6addr_string(ndo, obj_tptr), EXTRACT_24BITS(obj_tptr + 17))); obj_tlen-=20; obj_tptr+=20; break; case RSVP_CTYPE_TUNNEL_IPV6: if (obj_tlen < 20) return-1; ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x", ident, ipaddr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr + 18))); obj_tlen-=20; obj_tptr+=20; break; case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */ if (obj_tlen < 40) return-1; ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x" "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", ident, ip6addr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr+18), ident, ip6addr_string(ndo, obj_tptr+20), EXTRACT_16BITS(obj_tptr + 38))); obj_tlen-=40; obj_tptr+=40; break; #endif case RSVP_CTYPE_TUNNEL_IPV4: if (obj_tlen < 8) return-1; ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x", ident, ipaddr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr + 6))); obj_tlen-=8; obj_tptr+=8; break; case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */ if (obj_tlen < 16) return-1; ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x" "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", ident, ipaddr_string(ndo, obj_tptr), EXTRACT_16BITS(obj_tptr+6), ident, ipaddr_string(ndo, obj_tptr+8), EXTRACT_16BITS(obj_tptr + 12))); obj_tlen-=16; obj_tptr+=16; break; default: hexdump=TRUE; } 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_1: /* new style */ if (obj_tlen < sizeof(struct rsvp_obj_frr_t)) return-1; ND_PRINT((ndo, "%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)); ND_PRINT((ndo, "%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; ND_PRINT((ndo, "%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)); ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x", ident, 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; } break; case RSVP_OBJ_DETOUR: switch(rsvp_obj_ctype) { case RSVP_CTYPE_TUNNEL_IPV4: while(obj_tlen >= 8) { ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s", ident, ipaddr_string(ndo, obj_tptr), ipaddr_string(ndo, obj_tptr + 4))); obj_tlen-=8; obj_tptr+=8; } break; default: hexdump=TRUE; } break; case RSVP_OBJ_CLASSTYPE: case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */ switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: ND_PRINT((ndo, "%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 */ case RSVP_CTYPE_IPV4: if (obj_tlen < 8) return-1; error_code=*(obj_tptr+5); error_value=EXTRACT_16BITS(obj_tptr+6); ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", ident, ipaddr_string(ndo, obj_tptr), *(obj_tptr+4), ident, tok2str(rsvp_obj_error_code_values,"unknown",error_code), error_code)); switch (error_code) { case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING: ND_PRINT((ndo, ", Error Value: %s (%u)", 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: ND_PRINT((ndo, ", Error Value: %s (%u)", tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value), error_value)); break; default: ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value)); break; } obj_tlen-=8; obj_tptr+=8; break; #ifdef INET6 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */ case RSVP_CTYPE_IPV6: if (obj_tlen < 20) return-1; error_code=*(obj_tptr+17); error_value=EXTRACT_16BITS(obj_tptr+18); ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", ident, ip6addr_string(ndo, obj_tptr), *(obj_tptr+16), ident, tok2str(rsvp_obj_error_code_values,"unknown",error_code), error_code)); switch (error_code) { case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING: ND_PRINT((ndo, ", Error Value: %s (%u)", tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value), error_value)); break; default: break; } obj_tlen-=20; obj_tptr+=20; break; #endif default: hexdump=TRUE; } break; case RSVP_OBJ_PROPERTIES: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: if (obj_tlen < 4) return-1; padbytes = EXTRACT_16BITS(obj_tptr+2); ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u", ident, EXTRACT_16BITS(obj_tptr), padbytes)); obj_tlen-=4; obj_tptr+=4; /* loop through as long there is anything longer than the TLV header (2) */ while(obj_tlen >= 2 + padbytes) { ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */ ident, tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr), *obj_tptr, *(obj_tptr + 1))); if (obj_tlen < *(obj_tptr+1)) return-1; if (*(obj_tptr+1) < 2) return -1; print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2); obj_tlen-=*(obj_tptr+1); obj_tptr+=*(obj_tptr+1); } break; default: hexdump=TRUE; } break; case RSVP_OBJ_MESSAGE_ID: /* fall through */ case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */ case RSVP_OBJ_MESSAGE_ID_LIST: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: case RSVP_CTYPE_2: if (obj_tlen < 8) return-1; ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u", ident, *obj_tptr, EXTRACT_24BITS(obj_tptr + 1))); obj_tlen-=4; obj_tptr+=4; /* loop through as long there are no messages left */ while(obj_tlen >= 4) { ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)", ident, EXTRACT_32BITS(obj_tptr), EXTRACT_32BITS(obj_tptr))); obj_tlen-=4; obj_tptr+=4; } break; default: hexdump=TRUE; } 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; ND_PRINT((ndo, "%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))); ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ", 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))); #ifdef HAVE_LIBCRYPTO sigcheck = signature_verify(ndo, pptr, plen, (unsigned char *)obj_ptr.\ rsvp_obj_integrity->digest); #else sigcheck = CANT_CHECK_SIGNATURE; #endif ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck))); 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; ND_PRINT((ndo, "%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); ND_PRINT((ndo, "%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; ND_PRINT((ndo, "%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 ) { ND_PRINT((ndo, "%s Subchannel #%u: %u", ident, subchannel, EXTRACT_32BITS(obj_tptr))); obj_tptr+=4; obj_tlen-=4; subchannel++; } break; } break; default: hexdump=TRUE; } case RSVP_OBJ_S2L: switch (rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: if (obj_tlen < 4) return-1; ND_PRINT((ndo, "%s Sub-LSP destination address: %s", ident, ipaddr_string(ndo, obj_tptr))); obj_tlen-=4; obj_tptr+=4; break; #ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < 16) return-1; ND_PRINT((ndo, "%s Sub-LSP destination address: %s", ident, ip6addr_string(ndo, obj_tptr))); obj_tlen-=16; obj_tptr+=16; break; #endif default: hexdump=TRUE; } /* * FIXME those are the defined objects that lack a decoder * you are welcome to contribute code ;-) */ case RSVP_OBJ_SCOPE: case RSVP_OBJ_POLICY_DATA: case RSVP_OBJ_ACCEPT_LABEL_SET: case RSVP_OBJ_PROTECTION: default: if (ndo->ndo_vflag <= 1) print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */ break; } /* do we also want to see a hex dump ? */ if (ndo->ndo_vflag > 1 || hexdump == TRUE) print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */ rsvp_obj_len - sizeof(struct rsvp_object_header)); tptr+=rsvp_obj_len; tlen-=rsvp_obj_len; } return 0; trunc: ND_PRINT((ndo, "\n\t\t packet exceeded snapshot")); return -1; } void rsvp_print(netdissect_options *ndo, register const u_char *pptr, register u_int len) { struct rsvp_common_header *rsvp_com_header; const u_char *tptr,*subtptr; u_short plen, tlen, subtlen; tptr=pptr; rsvp_com_header = (struct rsvp_common_header *)pptr; ND_TCHECK(*rsvp_com_header); /* * Sanity checking of the header. */ if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) { ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported", RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags))); return; } /* in non-verbose mode just lets print the basic Message Type*/ if (ndo->ndo_vflag < 1) { ND_PRINT((ndo, "RSVPv%u %s Message, length: %u", RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags), tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type), len)); return; } /* ok they seem to want to know everything - lets fully decode it */ plen = tlen = EXTRACT_16BITS(rsvp_com_header->length); ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x", RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags), tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type), rsvp_com_header->msg_type, bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)), tlen, rsvp_com_header->ttl, EXTRACT_16BITS(rsvp_com_header->checksum))); /* * Clear checksum prior to signature verification. */ rsvp_com_header->checksum[0] = 0; rsvp_com_header->checksum[1] = 0; if (tlen < sizeof(const struct rsvp_common_header)) { ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen, (unsigned long)sizeof(const struct rsvp_common_header))); return; } tptr+=sizeof(const struct rsvp_common_header); tlen-=sizeof(const struct rsvp_common_header); switch(rsvp_com_header->msg_type) { case RSVP_MSGTYPE_AGGREGATE: while(tlen > 0) { subtptr=tptr; rsvp_com_header = (struct rsvp_common_header *)subtptr; ND_TCHECK(*rsvp_com_header); /* * Sanity checking of the header. */ if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) { ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported", RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags))); return; } subtlen=EXTRACT_16BITS(rsvp_com_header->length); ND_PRINT((ndo, "\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x", RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags), tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type), rsvp_com_header->msg_type, bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)), subtlen, rsvp_com_header->ttl, EXTRACT_16BITS(rsvp_com_header->checksum))); /* * Clear checksum prior to signature verification. */ rsvp_com_header->checksum[0] = 0; rsvp_com_header->checksum[1] = 0; if (subtlen < sizeof(const struct rsvp_common_header)) { ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen, (unsigned long)sizeof(const struct rsvp_common_header))); return; } if (tlen < subtlen) { ND_PRINT((ndo, "ERROR: common header too large %u > %u", subtlen, tlen)); return; } subtptr+=sizeof(const struct rsvp_common_header); subtlen-=sizeof(const struct rsvp_common_header); if (rsvp_obj_print(ndo, pptr, plen, subtptr, "\n\t ", subtlen) == -1) return; tptr+=subtlen+sizeof(const struct rsvp_common_header); tlen-=subtlen+sizeof(const struct rsvp_common_header); } break; case RSVP_MSGTYPE_PATH: case RSVP_MSGTYPE_RESV: case RSVP_MSGTYPE_PATHERR: case RSVP_MSGTYPE_RESVERR: case RSVP_MSGTYPE_PATHTEAR: case RSVP_MSGTYPE_RESVTEAR: case RSVP_MSGTYPE_RESVCONF: case RSVP_MSGTYPE_HELLO_OLD: case RSVP_MSGTYPE_HELLO: case RSVP_MSGTYPE_ACK: case RSVP_MSGTYPE_SREFRESH: if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen) == -1) return; break; default: print_unknown_data(ndo, tptr, "\n\t ", tlen); break; } return; trunc: ND_PRINT((ndo, "\n\t\t packet exceeded snapshot")); }