| /* |
| * 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@gredler.at) |
| */ |
| |
| /* \summary: Resource ReSerVation Protocol (RSVP) printer */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include <netdissect-stdinc.h> |
| |
| #include "netdissect.h" |
| #include "extract.h" |
| #include "addrtoname.h" |
| #include "ethertype.h" |
| #include "gmpls.h" |
| #include "af.h" |
| #include "signature.h" |
| |
| static const char tstr[] = " [|rsvp]"; |
| |
| /* |
| * 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_BUNDLE 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_BUNDLE, "Bundle" }, |
| { 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); |
| ND_TCHECK2(*(tptr + 2), 2); |
| 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_TCHECK2(*(tptr + 4), 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) { |
| ND_TCHECK2(*(tptr + 4), 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_TCHECK2(*(tptr + 4), 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_TCHECK2(*(tptr + 4), 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) { |
| ND_TCHECK2(*(tptr + 4), 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) { |
| ND_TCHECK2(*(tptr + 4), 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_TCHECK2(*(tptr + 4), 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 */ |
| |
| trunc: |
| ND_PRINT((ndo, "%s", tstr)); |
| return 0; |
| } |
| |
| /* |
| * Clear checksum prior to signature verification. |
| */ |
| static void |
| rsvp_clear_checksum(void *header) |
| { |
| struct rsvp_common_header *rsvp_com_header = (struct rsvp_common_header *) header; |
| |
| rsvp_com_header->checksum[0] = 0; |
| rsvp_com_header->checksum[1] = 0; |
| } |
| |
| static int |
| rsvp_obj_print(netdissect_options *ndo, |
| const u_char *pptr, u_int plen, const u_char *tptr, |
| const char *ident, u_int tlen, |
| const struct rsvp_common_header *rsvp_com_header) |
| { |
| 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; |
| 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; |
| 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; |
| 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; |
| 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; |
| 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; |
| 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; |
| 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; |
| 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 ) { |
| u_char length; |
| |
| ND_TCHECK2(*obj_tptr, 4); |
| length = *(obj_tptr + 1); |
| ND_PRINT((ndo, "%s Subobject Type: %s, length %u", |
| ident, |
| tok2str(rsvp_obj_xro_values, |
| "Unknown %u", |
| RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)), |
| length)); |
| |
| if (length == 0) { /* prevent infinite loops */ |
| ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident)); |
| break; |
| } |
| |
| switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) { |
| u_char prefix_length; |
| |
| case RSVP_OBJ_XRO_IPV4: |
| if (length != 8) { |
| ND_PRINT((ndo, " ERROR: length != 8")); |
| goto invalid; |
| } |
| ND_TCHECK2(*obj_tptr, 8); |
| prefix_length = *(obj_tptr+6); |
| if (prefix_length != 32) { |
| ND_PRINT((ndo, " ERROR: Prefix length %u != 32", |
| prefix_length)); |
| goto invalid; |
| } |
| 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: |
| if (length != 8) { |
| ND_PRINT((ndo, " ERROR: length != 8")); |
| goto invalid; |
| } |
| ND_TCHECK2(*obj_tptr, 8); |
| 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) { |
| /* If RFC 3476 Section 3.1 defined that a sub-object of the |
| * GENERALIZED_UNI RSVP object must have the Length field as |
| * a multiple of 4, instead of the check below it would be |
| * better to test total_subobj_len only once before the loop. |
| * So long as it does not define it and this while loop does |
| * not implement such a requirement, let's accept that within |
| * each iteration subobj_len may happen to be a multiple of 1 |
| * and test it and total_subobj_len respectively. |
| */ |
| if (total_subobj_len < 4) |
| goto invalid; |
| 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)); |
| |
| /* In addition to what is explained above, the same spec does not |
| * explicitly say that the same Length field includes the 4-octet |
| * sub-object header, but as long as this while loop implements it |
| * as it does include, let's keep the check below consistent with |
| * the rest of the code. |
| */ |
| if(subobj_len < 4 || subobj_len > total_subobj_len) |
| goto invalid; |
| |
| 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; |
| 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; |
| 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; |
| 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; |
| 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; |
| 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; |
| 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; |
| |
| switch(rsvp_obj_ctype) { |
| case RSVP_CTYPE_1: /* new style */ |
| if (obj_tlen < sizeof(struct rsvp_obj_frr_t)) |
| return-1; |
| bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth); |
| 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; |
| bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth); |
| 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; |
| 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; |
| 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))); |
| |
| sigcheck = signature_verify(ndo, pptr, plen, |
| obj_ptr.rsvp_obj_integrity->digest, |
| rsvp_clear_checksum, |
| rsvp_com_header); |
| 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; |
| 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; |
| 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; |
| invalid: |
| ND_PRINT((ndo, "%s", istr)); |
| return -1; |
| trunc: |
| ND_PRINT((ndo, "\n\t\t")); |
| ND_PRINT((ndo, "%s", tstr)); |
| return -1; |
| } |
| |
| void |
| rsvp_print(netdissect_options *ndo, |
| register const u_char *pptr, register u_int len) |
| { |
| const struct rsvp_common_header *rsvp_com_header; |
| const u_char *tptr; |
| u_short plen, tlen; |
| |
| tptr=pptr; |
| |
| rsvp_com_header = (const 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))); |
| |
| 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_BUNDLE: |
| /* |
| * Process each submessage in the bundle message. |
| * Bundle messages may not contain bundle submessages, so we don't |
| * need to handle bundle submessages specially. |
| */ |
| while(tlen > 0) { |
| const u_char *subpptr=tptr, *subtptr; |
| u_short subplen, subtlen; |
| |
| subtptr=subpptr; |
| |
| rsvp_com_header = (const struct rsvp_common_header *)subpptr; |
| 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; |
| } |
| |
| subplen = 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))); |
| |
| 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); |
| |
| /* |
| * Print all objects in the submessage. |
| */ |
| if (rsvp_obj_print(ndo, subpptr, subplen, subtptr, "\n\t ", subtlen, rsvp_com_header) == -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: |
| /* |
| * Print all objects in the message. |
| */ |
| if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen, rsvp_com_header) == -1) |
| return; |
| break; |
| |
| default: |
| print_unknown_data(ndo, tptr, "\n\t ", tlen); |
| break; |
| } |
| |
| return; |
| trunc: |
| ND_PRINT((ndo, "\n\t\t")); |
| ND_PRINT((ndo, "%s", tstr)); |
| } |
