X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/f7653c76cfbf0c797543dd7ea769ecc10783b444..a890c4489fa1bcee9f455ee28d772bb1ccf590bf:/print-rsvp.c diff --git a/print-rsvp.c b/print-rsvp.c index c08ea07e..263ef3d4 100644 --- a/print-rsvp.c +++ b/print-rsvp.c @@ -1,4 +1,6 @@ /* + * Copyright (c) 1998-2007 The TCPDUMP project + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that: (1) source code * distributions retain the above copyright notice and this paragraph @@ -13,24 +15,20 @@ * Original code by Hannes Gredler (hannes@juniper.net) */ -#ifndef lint -static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.2 2002-10-06 08:00:26 hannes Exp $"; -#endif - +#define NETDISSECT_REWORKED #ifdef HAVE_CONFIG_H #include "config.h" #endif #include -#include -#include - #include "interface.h" #include "extract.h" #include "addrtoname.h" #include "ethertype.h" +#include "gmpls.h" +#include "af.h" +#include "signature.h" /* * RFC 2205 common header @@ -45,18 +43,18 @@ static const char rcsid[] = */ struct rsvp_common_header { - u_char version_flags; - u_char msg_type; - u_char checksum[2]; - u_char ttl; - u_char reserved; - u_char length[2]; + 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 | @@ -68,13 +66,14 @@ struct rsvp_common_header { */ struct rsvp_object_header { - u_char length[2]; - u_char class_num; - u_char ctype; + 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_VERSION(x) (((x)&0xf0)>>4) +#define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f) #define RSVP_MSGTYPE_PATH 1 #define RSVP_MSGTYPE_RESV 2 @@ -105,36 +104,52 @@ static const struct tok rsvp_msg_type_values[] = { { 0, NULL} }; -#define RSVP_OBJ_SESSION 1 -#define RSVP_OBJ_RSVP_HOP 3 -#define RSVP_OBJ_INTEGRITY 4 -#define RSVP_OBJ_TIME_VALUES 5 +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 -#define RSVP_OBJ_FLOWSPEC 9 -#define RSVP_OBJ_FILTERSPEC 10 +#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 -#define RSVP_OBJ_ADSPEC 13 +#define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */ +#define RSVP_OBJ_ADSPEC 13 /* rfc2215 */ #define RSVP_OBJ_POLICY_DATA 14 -#define RSVP_OBJ_CONFIRM 15 -#define RSVP_OBJ_LABEL 16 -#define RSVP_OBJ_LABEL_REQ 19 -#define RSVP_OBJ_ERO 20 -#define RSVP_OBJ_RRO 21 -#define RSVP_OBJ_HELLO 22 -#define RSVP_OBJ_MESSAGE_ID 23 -#define RSVP_OBJ_MESSAGE_ID_ACK 24 -#define RSVP_OBJ_MESSAGE_ID_LIST 25 -#define RSVP_OBJ_RECOVERY_LABEL 34 -#define RSVP_OBJ_UPSTREAM_LABEL 35 -#define RSVP_OBJ_DETOUR 63 -#define RSVP_OBJ_SUGGESTED_LABEL 129 -#define RSVP_OBJ_PROPERTIES 204 -#define RSVP_OBJ_FASTREROUTE 205 -#define RSVP_OBJ_SESSION_ATTTRIBUTE 207 -#define RSVP_OBJ_RESTART_CAPABILITY 131 /* draft-pan-rsvp-te-restart */ +#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" }, @@ -161,38 +176,153 @@ static const struct tok rsvp_obj_values[] = { { 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_ATTTRIBUTE, "Session Attribute" }, + { 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_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_LABEL+RSVP_CTYPE_IPV4, "IPv4" }, - { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_IPV4, "IPv4" }, - { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" }, - { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" }, - { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" }, + { 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 @@ -200,183 +330,1606 @@ 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} }; -void -rsvp_print(register const u_char *pptr, register u_int len) { +/* 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} +}; - const struct rsvp_common_header *rsvp_com_header; - const struct rsvp_object_header *rsvp_obj_header; - const u_char *tptr,*obj_tptr; - u_short tlen,rsvp_obj_len,rsvp_obj_ctype,obj_tlen; +/* RFC3209 */ +static const struct tok rsvp_obj_rro_label_flag_values[] = { + { 0x01, "Global" }, + { 0, NULL} +}; - tptr=pptr; - rsvp_com_header = (const struct rsvp_common_header *)pptr; - TCHECK(*rsvp_com_header); +static const struct tok rsvp_resstyle_values[] = { + { 17, "Wildcard Filter" }, + { 10, "Fixed Filter" }, + { 18, "Shared Explicit" }, + { 0, NULL} +}; - /* - * Sanity checking of the header. - */ - if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) { - printf("RSVP version %u packet not supported", - RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)); - return; - } +#define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2 +#define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5 - /* in non-verbose mode just lets print the basic Message Type*/ - if (vflag < 1) { - printf("RSVP %s Message, length: %u", - tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type), - len); - return; - } +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} +}; - /* ok they seem to want to know everything - lets fully decode it */ +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} +}; - printf("RSVP, length: %u",len); +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} +}; - tlen=EXTRACT_16BITS(rsvp_com_header->length); +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} +}; - printf("\n\tv: %u, msg-type: %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), - tlen, - rsvp_com_header->ttl, - EXTRACT_16BITS(rsvp_com_header->checksum)); +#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 - tptr+=sizeof(const struct rsvp_common_header); - tlen-=sizeof(const struct rsvp_common_header); +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))); - while(tlen>0) { + 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 ? */ - if (!TTEST2(*tptr, sizeof(struct rsvp_object_header))) - goto trunc; + 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 || rsvp_obj_len < 4) - return; + 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; + } - printf("\n\t %s Object (%u), Class-Type: %s (%u), length: %u", - tok2str(rsvp_obj_values, "Unknown",rsvp_obj_header->class_num), + 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, - tok2str(rsvp_ctype_values, "Unknown",((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype), + ((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); + 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 (!TTEST2(*tptr, rsvp_obj_len)) - goto trunc; + if (!ND_TTEST2(*tptr, rsvp_obj_len)) + return -1; + hexdump=FALSE; switch(rsvp_obj_header->class_num) { - case RSVP_OBJ_LABEL: + 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 ) { - printf("\n\t Label: %u", EXTRACT_32BITS(obj_tptr)); + 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_LABEL_REQ: + + 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 ) { - printf("\n\t L3 Protocol ID: %s", + ND_PRINT((ndo, "%s L3 Protocol ID: %s", + ident, tok2str(ethertype_values, - "Unknown Protocol 0x%04x", - EXTRACT_16BITS(obj_tptr+2))); + "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 ) { - printf("\n\t Subobject Type: %s", + ND_PRINT((ndo, "%s Subobject Type: %s, length %u", + ident, tok2str(rsvp_obj_xro_values, "Unknown %u", - RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr))); + RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)), + *(obj_tptr + 1))); + + if (*(obj_tptr+1) == 0) { /* prevent infinite loops */ + ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident)); + break; + } + switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) { case RSVP_OBJ_XRO_IPV4: - printf(", %s, %s/%u", + ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]", RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict", - ipaddr_string(obj_tptr+2), - *(obj_tptr+6)); + 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 1: - printf("\n\t Restart Time: %ums\n\t Recovery Time: %ums", + 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), - EXTRACT_16BITS(obj_tptr+4)); + 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_SESSION: - case RSVP_OBJ_RSVP_HOP: - case RSVP_OBJ_INTEGRITY: - case RSVP_OBJ_TIME_VALUES: - case RSVP_OBJ_ERROR_SPEC: + case RSVP_OBJ_SCOPE: - case RSVP_OBJ_STYLE: - case RSVP_OBJ_FILTERSPEC: - case RSVP_OBJ_SENDER_TEMPLATE: - case RSVP_OBJ_SENDER_TSPEC: - case RSVP_OBJ_ADSPEC: case RSVP_OBJ_POLICY_DATA: - case RSVP_OBJ_CONFIRM: - case RSVP_OBJ_HELLO: - case RSVP_OBJ_MESSAGE_ID: - case RSVP_OBJ_MESSAGE_ID_ACK: - case RSVP_OBJ_MESSAGE_ID_LIST: - case RSVP_OBJ_RECOVERY_LABEL: - case RSVP_OBJ_UPSTREAM_LABEL: - case RSVP_OBJ_DETOUR: - case RSVP_OBJ_SUGGESTED_LABEL: - case RSVP_OBJ_PROPERTIES: - case RSVP_OBJ_FASTREROUTE: - case RSVP_OBJ_SESSION_ATTTRIBUTE: + case RSVP_OBJ_ACCEPT_LABEL_SET: + case RSVP_OBJ_PROTECTION: default: - if (vflag <= 1) - print_unknown_data(obj_tptr,"\n\t ",obj_tlen); + if (ndo->ndo_vflag <= 1) + print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */ break; } - /* do we want to see an additionally hexdump ? */ - if (vflag > 1) - print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", - rsvp_obj_len-sizeof(struct rsvp_object_header)); + /* 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; + return 0; trunc: - printf("\n\t\t packet exceeded snapshot"); + 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")); +}