X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/4dc9cccc3eae696452358ddf4808bed440f14344..de0c7fc746c37eb83e15a6890d30dc6f608e9d76:/print-rsvp.c diff --git a/print-rsvp.c b/print-rsvp.c index 7a7836be..5f895493 100644 --- a/print-rsvp.c +++ b/print-rsvp.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998-2005 The TCPDUMP project + * 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 @@ -12,29 +12,26 @@ * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE. * - * Original code by Hannes Gredler (hannes@juniper.net) + * Original code by Hannes Gredler (hannes@gredler.at) */ -#ifndef lint -static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.40 2005-09-20 10:04:26 hannes Exp $"; -#endif +/* \summary: Resource ReSerVation Protocol (RSVP) printer */ #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include - -#include -#include -#include +#include -#include "interface.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 @@ -49,18 +46,18 @@ static const char rcsid[] _U_ = */ struct rsvp_common_header { - u_int8_t version_flags; - u_int8_t msg_type; - u_int8_t checksum[2]; - u_int8_t ttl; - u_int8_t reserved; - u_int8_t 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 | @@ -72,13 +69,13 @@ struct rsvp_common_header { */ struct rsvp_object_header { - u_int8_t length[2]; - u_int8_t class_num; - u_int8_t 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 @@ -88,7 +85,7 @@ struct rsvp_object_header { #define RSVP_MSGTYPE_PATHTEAR 5 #define RSVP_MSGTYPE_RESVTEAR 6 #define RSVP_MSGTYPE_RESVCONF 7 -#define RSVP_MSGTYPE_AGGREGATE 12 +#define RSVP_MSGTYPE_BUNDLE 12 #define RSVP_MSGTYPE_ACK 13 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */ #define RSVP_MSGTYPE_SREFRESH 15 @@ -102,7 +99,7 @@ static const struct tok rsvp_msg_type_values[] = { { RSVP_MSGTYPE_PATHTEAR, "PathTear" }, { RSVP_MSGTYPE_RESVTEAR, "ResvTear" }, { RSVP_MSGTYPE_RESVCONF, "ResvConf" }, - { RSVP_MSGTYPE_AGGREGATE, "Aggregate" }, + { RSVP_MSGTYPE_BUNDLE, "Bundle" }, { RSVP_MSGTYPE_ACK, "Acknowledgement" }, { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" }, { RSVP_MSGTYPE_SREFRESH, "Refresh" }, @@ -119,7 +116,7 @@ static const struct tok rsvp_header_flag_values[] = { #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_ERROR_SPEC 6 #define RSVP_OBJ_SCOPE 7 #define RSVP_OBJ_STYLE 8 /* rfc2205 */ #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */ @@ -134,14 +131,15 @@ static const struct tok rsvp_header_flag_values[] = { #define RSVP_OBJ_ERO 20 /* rfc3209 */ #define RSVP_OBJ_RRO 21 /* rfc3209 */ #define RSVP_OBJ_HELLO 22 /* rfc3209 */ -#define RSVP_OBJ_MESSAGE_ID 23 -#define RSVP_OBJ_MESSAGE_ID_ACK 24 -#define RSVP_OBJ_MESSAGE_ID_LIST 25 +#define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */ +#define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */ +#define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */ #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */ #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */ #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */ #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */ -#define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */ +#define RSVP_OBJ_S2L 50 /* rfc4875 */ +#define RSVP_OBJ_DETOUR 63 /* rfc4090 */ #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 */ @@ -150,8 +148,9 @@ static const struct tok rsvp_header_flag_values[] = { #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_FASTREROUTE 205 /* rfc4090 */ #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 */ @@ -189,12 +188,14 @@ static const struct tok rsvp_obj_values[] = { { 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} }; @@ -202,10 +203,14 @@ static const struct tok rsvp_obj_values[] = { #define RSVP_CTYPE_IPV6 2 #define RSVP_CTYPE_TUNNEL_IPV4 7 #define RSVP_CTYPE_TUNNEL_IPV6 8 +#define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */ #define RSVP_CTYPE_1 1 #define RSVP_CTYPE_2 2 #define RSVP_CTYPE_3 3 #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 @@ -231,14 +236,22 @@ static const struct tok rsvp_ctype_values[] = { { 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, "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" }, @@ -271,17 +284,22 @@ static const struct tok rsvp_ctype_values[] = { { 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 { - u_int8_t flags; - u_int8_t res; - u_int8_t key_id[6]; - u_int8_t sequence[8]; - u_int8_t digest[16]; + 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[] = { @@ -290,14 +308,14 @@ static const struct tok rsvp_obj_integrity_flag_values[] = { }; struct rsvp_obj_frr_t { - u_int8_t setup_prio; - u_int8_t hold_prio; - u_int8_t hop_limit; - u_int8_t flags; - u_int8_t bandwidth[4]; - u_int8_t include_any[4]; - u_int8_t exclude_any[4]; - u_int8_t include_all[4]; + 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]; }; @@ -307,6 +325,7 @@ struct rsvp_obj_frr_t { #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 @@ -314,12 +333,13 @@ 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 */ +/* RFC4090 */ static const struct tok rsvp_obj_rro_flag_values[] = { { 0x01, "Local protection available" }, { 0x02, "Local protection in use" }, @@ -328,6 +348,12 @@ static const struct tok rsvp_obj_rro_flag_values[] = { { 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" }, @@ -359,16 +385,16 @@ static const struct tok rsvp_intserv_parameter_id_values[] = { { 0, NULL} }; -static struct tok rsvp_session_attribute_flag_values[] = { - { 0x01, "Local Protection desired" }, - { 0x02, "Label Recording desired" }, - { 0x04, "SE Style desired" }, - { 0x08, "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */ - { 0x10, "Node protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */ +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 struct tok rsvp_obj_prop_tlv_values[] = { +static const struct tok rsvp_obj_prop_tlv_values[] = { { 0x01, "Cos" }, { 0x02, "Metric 1" }, { 0x04, "Metric 2" }, @@ -379,16 +405,18 @@ static struct tok rsvp_obj_prop_tlv_values[] = { #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25 -#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 125 +#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28 +#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125 -static struct tok rsvp_obj_error_code_values[] = { +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 struct tok rsvp_obj_error_code_routing_values[] = { +static const struct tok rsvp_obj_error_code_routing_values[] = { { 1, "Bad EXPLICIT_ROUTE object" }, { 2, "Bad strict node" }, { 3, "Bad loose node" }, @@ -402,49 +430,84 @@ static struct tok rsvp_obj_error_code_routing_values[] = { { 0, NULL} }; -static struct tok rsvp_obj_error_code_diffserv_te_values[] = { +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" }, + { 7, "Inconsistency between signaled PSC and signaled CT" }, { 8, "Inconsistency between signaled PHBs and signaled CT" }, { 0, NULL} }; -#define FALSE 0 -#define TRUE 1 +/* 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} +}; -static int rsvp_intserv_print(const u_char *, u_short); +/* 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(const u_char *tptr, u_short obj_tlen) { - +rsvp_intserv_print(netdissect_options *ndo, + const u_char *tptr, u_short obj_tlen) +{ int parameter_id,parameter_length; union { float f; - u_int32_t i; + 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_TCHECK_2(tptr + 2); + parameter_length = EXTRACT_BE_U_2(tptr + 2)<<2; /* convert wordcount to bytecount */ - printf("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]", + 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)); + EXTRACT_U_1(tptr + 1))); if (obj_tlen < parameter_length+4) return 0; @@ -458,8 +521,10 @@ rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) { * | IS hop cnt (32-bit unsigned integer) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ - if (parameter_length == 4) - printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4)); + if (parameter_length == 4) { + ND_TCHECK_4(tptr + 4); + ND_PRINT((ndo, "\n\t\tIS hop count: %u", EXTRACT_BE_U_4(tptr + 4))); + } break; case 6: @@ -471,8 +536,9 @@ rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) { * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ if (parameter_length == 4) { - bw.i = EXTRACT_32BITS(tptr+4); - printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000); + ND_TCHECK_4(tptr + 4); + bw.i = EXTRACT_BE_U_4(tptr + 4); + ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000)); } break; @@ -485,11 +551,12 @@ rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) { * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ if (parameter_length == 4) { - printf("\n\t\tMinimum path latency: "); - if (EXTRACT_32BITS(tptr+4) == 0xffffffff) - printf("don't care"); + ND_TCHECK_4(tptr + 4); + ND_PRINT((ndo, "\n\t\tMinimum path latency: ")); + if (EXTRACT_BE_U_4(tptr + 4) == 0xffffffff) + ND_PRINT((ndo, "don't care")); else - printf("%u", EXTRACT_32BITS(tptr+4)); + ND_PRINT((ndo, "%u", EXTRACT_BE_U_4(tptr + 4))); } break; @@ -502,11 +569,13 @@ rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) { * | Composed MTU (32-bit unsigned integer) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ - if (parameter_length == 4) - printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4)); + if (parameter_length == 4) { + ND_TCHECK_4(tptr + 4); + ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_BE_U_4(tptr + 4))); + } break; case 127: - /* + /* * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | 127 (e) | 0 (f) | 5 (g) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ @@ -523,19 +592,20 @@ rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) { */ if (parameter_length == 20) { - bw.i = EXTRACT_32BITS(tptr+4); - printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000); - bw.i = EXTRACT_32BITS(tptr+8); - printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f); - bw.i = EXTRACT_32BITS(tptr+12); - printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000); - printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16)); - printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20)); + ND_TCHECK2(*(tptr + 4), 20); + bw.i = EXTRACT_BE_U_4(tptr + 4); + ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000)); + bw.i = EXTRACT_BE_U_4(tptr + 8); + ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f)); + bw.i = EXTRACT_BE_U_4(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_BE_U_4(tptr + 16))); + ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_BE_U_4(tptr + 20))); } break; case 130: - /* + /* * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | 130 (h) | 0 (i) | 2 (j) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ @@ -546,9 +616,10 @@ rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) { */ if (parameter_length == 8) { - bw.i = EXTRACT_32BITS(tptr+4); - printf("\n\t\tRate: %.10g Mbps", bw.f/125000); - printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8)); + ND_TCHECK_8(tptr + 4); + bw.i = EXTRACT_BE_U_4(tptr + 4); + ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000)); + ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_BE_U_4(tptr + 8))); } break; @@ -556,20 +627,41 @@ rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) { case 134: case 135: case 136: - if (parameter_length == 4) - printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4)); + if (parameter_length == 4) { + ND_TCHECK_4(tptr + 4); + ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_BE_U_4(tptr + 4))); + } break; default: - if (vflag <= 1) - print_unknown_data(tptr+4,"\n\t\t",parameter_length); + 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; } -static int -rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { +/* + * 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 *indent, 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 { @@ -578,53 +670,54 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { } obj_ptr; u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen; - int hexdump,processed,padbytes,error_code,error_value,i; + int hexdump,processed,padbytes,error_code,error_value,i,sigcheck; union { float f; - u_int32_t i; + uint32_t i; } bw; - u_int8_t namelen; + 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_len=EXTRACT_BE_U_2(rsvp_obj_header->length); rsvp_obj_ctype=rsvp_obj_header->ctype; if(rsvp_obj_len % 4) { - printf("%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len); + ND_PRINT((ndo, "%sERROR: object header size %u not a multiple of 4", indent, rsvp_obj_len)); return -1; } if(rsvp_obj_len < sizeof(struct rsvp_object_header)) { - printf("%sERROR: object header too short %u < %lu", ident, rsvp_obj_len, - (unsigned long)sizeof(const struct rsvp_object_header)); + ND_PRINT((ndo, "%sERROR: object header too short %u < %lu", indent, rsvp_obj_len, + (unsigned long)sizeof(struct rsvp_object_header))); return -1; } - printf("%s%s Object (%u) Flags: [%s", - ident, + ND_PRINT((ndo, "%s%s Object (%u) Flags: [%s", + indent, tok2str(rsvp_obj_values, "Unknown", rsvp_obj_header->class_num), rsvp_obj_header->class_num, - ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject"); + ((rsvp_obj_header->class_num) & 0x80) ? "ignore" : "reject")); if (rsvp_obj_header->class_num > 128) - printf(" %s", - ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently"); + ND_PRINT((ndo, " %s", + ((rsvp_obj_header->class_num) & 0x40) ? "and forward" : "silently")); - printf(" if unknown], Class-Type: %s (%u), length: %u", + 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) { - printf("%sERROR: object goes past end of objects TLV", ident); + ND_PRINT((ndo, "%sERROR: object goes past end of objects TLV", indent)); return -1; } @@ -632,7 +725,7 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { 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)) + if (!ND_TTEST2(*tptr, rsvp_obj_len)) return -1; hexdump=FALSE; @@ -642,55 +735,77 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_IPV4: if (obj_tlen < 8) return -1; - printf("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x", - ident, - ipaddr_string(obj_tptr), - *(obj_tptr+sizeof(struct in_addr))); - printf("%s Flags: [0x%02x], DestPort %u", - ident, - *(obj_tptr+5), - EXTRACT_16BITS(obj_tptr+6)); + ND_PRINT((ndo, "%s IPv4 DestAddress: %s, Protocol ID: 0x%02x", + indent, + ipaddr_string(ndo, obj_tptr), + EXTRACT_U_1(obj_tptr + sizeof(struct in_addr)))); + ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u", + indent, + EXTRACT_U_1((obj_tptr + 5)), + EXTRACT_BE_U_2(obj_tptr + 6))); obj_tlen-=8; - obj_tptr+=8; + obj_tptr+=8; break; -#ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < 20) return -1; - printf("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x", - ident, - ip6addr_string(obj_tptr), - *(obj_tptr+sizeof(struct in6_addr))); - printf("%s Flags: [0x%02x], DestPort %u", - ident, - *(obj_tptr+sizeof(struct in6_addr)+1), - EXTRACT_16BITS(obj_tptr+sizeof(struct in6_addr)+2)); + ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x", + indent, + ip6addr_string(ndo, obj_tptr), + EXTRACT_U_1(obj_tptr + sizeof(struct in6_addr)))); + ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u", + indent, + EXTRACT_U_1((obj_tptr + sizeof(struct in6_addr) + 1)), + EXTRACT_BE_U_2(obj_tptr + sizeof(struct in6_addr) + 2))); obj_tlen-=20; - obj_tptr+=20; + obj_tptr+=20; break; case RSVP_CTYPE_TUNNEL_IPV6: if (obj_tlen < 36) return -1; - printf("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", - ident, - ip6addr_string(obj_tptr), - EXTRACT_16BITS(obj_tptr+18), - ip6addr_string(obj_tptr+20)); + ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", + indent, + ip6addr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(obj_tptr + 18), + ip6addr_string(ndo, obj_tptr + 20))); obj_tlen-=36; - obj_tptr+=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", + indent, + EXTRACT_BE_U_4(obj_tptr), + EXTRACT_BE_U_2(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", + indent, + ipaddr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(obj_tptr + 6), + ipaddr_string(ndo, obj_tptr + 8))); + obj_tlen-=12; + obj_tptr+=12; break; -#endif case RSVP_CTYPE_TUNNEL_IPV4: + case RSVP_CTYPE_UNI_IPV4: if (obj_tlen < 12) return -1; - printf("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", - ident, - ipaddr_string(obj_tptr), - EXTRACT_16BITS(obj_tptr+6), - ipaddr_string(obj_tptr+8)); + ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", + indent, + ipaddr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(obj_tptr + 6), + ipaddr_string(ndo, obj_tptr + 8))); obj_tlen-=12; - obj_tptr+=12; + obj_tptr+=12; break; default: hexdump=TRUE; @@ -702,23 +817,21 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_IPV4: if (obj_tlen < sizeof(struct in_addr)) return -1; - printf("%s IPv4 Receiver Address: %s", - ident, - ipaddr_string(obj_tptr)); + ND_PRINT((ndo, "%s IPv4 Receiver Address: %s", + indent, + ipaddr_string(ndo, obj_tptr))); obj_tlen-=sizeof(struct in_addr); - obj_tptr+=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; - printf("%s IPv6 Receiver Address: %s", - ident, - ip6addr_string(obj_tptr)); + ND_PRINT((ndo, "%s IPv6 Receiver Address: %s", + indent, + ip6addr_string(ndo, obj_tptr))); obj_tlen-=sizeof(struct in6_addr); - obj_tptr+=sizeof(struct in6_addr); + obj_tptr+=sizeof(struct in6_addr); break; -#endif default: hexdump=TRUE; } @@ -729,23 +842,21 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_IPV4: if (obj_tlen < sizeof(struct in_addr)) return -1; - printf("%s IPv4 Notify Node Address: %s", - ident, - ipaddr_string(obj_tptr)); + ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s", + indent, + ipaddr_string(ndo, obj_tptr))); obj_tlen-=sizeof(struct in_addr); - obj_tptr+=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; - printf("%s IPv6 Notify Node Address: %s", - ident, - ip6addr_string(obj_tptr)); + ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s", + indent, + ip6addr_string(ndo, obj_tptr))); obj_tlen-=sizeof(struct in6_addr); - obj_tptr+=sizeof(struct in6_addr); + obj_tptr+=sizeof(struct in6_addr); break; -#endif default: hexdump=TRUE; } @@ -758,7 +869,7 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: while(obj_tlen >= 4 ) { - printf("%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)); + ND_PRINT((ndo, "%s Label: %u", indent, EXTRACT_BE_U_4(obj_tptr))); obj_tlen-=4; obj_tptr+=4; } @@ -766,21 +877,21 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_2: if (obj_tlen < 4) return-1; - printf("%s Generalized Label: %u", - ident, - EXTRACT_32BITS(obj_tptr)); + ND_PRINT((ndo, "%s Generalized Label: %u", + indent, + EXTRACT_BE_U_4(obj_tptr))); obj_tlen-=4; obj_tptr+=4; break; case RSVP_CTYPE_3: if (obj_tlen < 12) return-1; - printf("%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)); + ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u", + indent, + EXTRACT_BE_U_4(obj_tptr), + indent, + EXTRACT_BE_U_4(obj_tptr + 4), + EXTRACT_BE_U_4(obj_tptr + 8))); obj_tlen-=12; obj_tptr+=12; break; @@ -794,12 +905,12 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_1: if (obj_tlen < 4) return-1; - printf("%s Reservation Style: %s, Flags: [0x%02x]", - ident, + ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]", + indent, tok2str(rsvp_resstyle_values, "Unknown", - EXTRACT_24BITS(obj_tptr+1)), - *(obj_tptr)); + EXTRACT_BE_U_3(obj_tptr + 1)), + EXTRACT_U_1(obj_tptr))); obj_tlen-=4; obj_tptr+=4; break; @@ -813,35 +924,61 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_IPV4: if (obj_tlen < 8) return-1; - printf("%s Source Address: %s, Source Port: %u", - ident, - ipaddr_string(obj_tptr), - EXTRACT_16BITS(obj_tptr+6)); + ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u", + indent, + ipaddr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(obj_tptr + 6))); obj_tlen-=8; obj_tptr+=8; break; -#ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < 20) return-1; - printf("%s Source Address: %s, Source Port: %u", - ident, - ip6addr_string(obj_tptr), - EXTRACT_16BITS(obj_tptr+18)); + ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u", + indent, + ip6addr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(obj_tptr + 18))); obj_tlen-=20; obj_tptr+=20; break; -#endif + 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", + indent, + ip6addr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(obj_tptr + 18), + indent, + ip6addr_string(ndo, obj_tptr+20), + EXTRACT_BE_U_2(obj_tptr + 38))); + obj_tlen-=40; + obj_tptr+=40; + break; case RSVP_CTYPE_TUNNEL_IPV4: if (obj_tlen < 8) return-1; - printf("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x", - ident, - ipaddr_string(obj_tptr), - EXTRACT_16BITS(obj_tptr+6)); + ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x", + indent, + ipaddr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(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", + indent, + ipaddr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(obj_tptr + 6), + indent, + ipaddr_string(ndo, obj_tptr+8), + EXTRACT_BE_U_2(obj_tptr + 12))); + obj_tlen-=16; + obj_tptr+=16; + break; default: hexdump=TRUE; } @@ -851,11 +988,11 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: while(obj_tlen >= 4 ) { - printf("%s L3 Protocol ID: %s", - ident, + ND_PRINT((ndo, "%s L3 Protocol ID: %s", + indent, tok2str(ethertype_values, "Unknown Protocol (0x%04x)", - EXTRACT_16BITS(obj_tptr+2))); + EXTRACT_BE_U_2(obj_tptr + 2)))); obj_tlen-=4; obj_tptr+=4; } @@ -863,61 +1000,61 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_2: if (obj_tlen < 12) return-1; - printf("%s L3 Protocol ID: %s", - ident, + ND_PRINT((ndo, "%s L3 Protocol ID: %s", + indent, tok2str(ethertype_values, "Unknown Protocol (0x%04x)", - EXTRACT_16BITS(obj_tptr+2))); - printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" ); - printf("%s Minimum VPI/VCI: %u/%u", - ident, - (EXTRACT_16BITS(obj_tptr+4))&0xfff, - (EXTRACT_16BITS(obj_tptr+6))&0xfff); - printf("%s Maximum VPI/VCI: %u/%u", - ident, - (EXTRACT_16BITS(obj_tptr+8))&0xfff, - (EXTRACT_16BITS(obj_tptr+10))&0xfff); + EXTRACT_BE_U_2(obj_tptr + 2)))); + ND_PRINT((ndo, ",%s merge capability",((EXTRACT_U_1(obj_tptr + 4)) & 0x80) ? "no" : "" )); + ND_PRINT((ndo, "%s Minimum VPI/VCI: %u/%u", + indent, + (EXTRACT_BE_U_2(obj_tptr + 4))&0xfff, + (EXTRACT_BE_U_2(obj_tptr + 6)) & 0xfff)); + ND_PRINT((ndo, "%s Maximum VPI/VCI: %u/%u", + indent, + (EXTRACT_BE_U_2(obj_tptr + 8))&0xfff, + (EXTRACT_BE_U_2(obj_tptr + 10)) & 0xfff)); obj_tlen-=12; obj_tptr+=12; break; case RSVP_CTYPE_3: if (obj_tlen < 12) return-1; - printf("%s L3 Protocol ID: %s", - ident, + ND_PRINT((ndo, "%s L3 Protocol ID: %s", + indent, tok2str(ethertype_values, "Unknown Protocol (0x%04x)", - EXTRACT_16BITS(obj_tptr+2))); - printf("%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" : ""); + EXTRACT_BE_U_2(obj_tptr + 2)))); + ND_PRINT((ndo, "%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI", + indent, + (EXTRACT_BE_U_4(obj_tptr + 4))&0x7fffff, + (EXTRACT_BE_U_4(obj_tptr + 8))&0x7fffff, + (((EXTRACT_BE_U_2(obj_tptr + 4)>>7)&3) == 0 ) ? "10" : "", + (((EXTRACT_BE_U_2(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : "")); obj_tlen-=12; obj_tptr+=12; break; case RSVP_CTYPE_4: - if (obj_tlen < 8) + if (obj_tlen < 4) return-1; - printf("%s LSP Encoding Type: %s (%u)", - ident, + ND_PRINT((ndo, "%s LSP Encoding Type: %s (%u)", + indent, tok2str(gmpls_encoding_values, "Unknown", - *obj_tptr), - *obj_tptr); - printf("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)", - ident, + EXTRACT_U_1(obj_tptr)), + EXTRACT_U_1(obj_tptr))); + ND_PRINT((ndo, "%s Switching Type: %s (%u), Payload ID: %s (0x%04x)", + indent, tok2str(gmpls_switch_cap_values, "Unknown", - *(obj_tptr+1)), - *(obj_tptr+1), + EXTRACT_U_1((obj_tptr + 1))), + EXTRACT_U_1(obj_tptr + 1), tok2str(gmpls_payload_values, "Unknown", - EXTRACT_16BITS(obj_tptr+2)), - EXTRACT_16BITS(obj_tptr+2)); - obj_tlen-=8; - obj_tptr+=8; + EXTRACT_BE_U_2(obj_tptr + 2)), + EXTRACT_BE_U_2(obj_tptr + 2))); + obj_tlen-=4; + obj_tptr+=4; break; default: hexdump=TRUE; @@ -929,30 +1066,64 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: while(obj_tlen >= 4 ) { - printf("%s Subobject Type: %s, length %u", - ident, + u_char length; + + ND_TCHECK_4(obj_tptr); + length = EXTRACT_U_1(obj_tptr + 1); + ND_PRINT((ndo, "%s Subobject Type: %s, length %u", + indent, tok2str(rsvp_obj_xro_values, "Unknown %u", - RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)), - *(obj_tptr+1)); + RSVP_OBJ_XRO_MASK_SUBOBJ(EXTRACT_U_1(obj_tptr))), + length)); - if (*(obj_tptr+1) == 0) { /* prevent infinite loops */ - printf("%s ERROR: zero length ERO subtype",ident); + if (length == 0) { /* prevent infinite loops */ + ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", indent)); break; } - switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) { + switch(RSVP_OBJ_XRO_MASK_SUBOBJ(EXTRACT_U_1(obj_tptr))) { + u_char prefix_length; + case RSVP_OBJ_XRO_IPV4: - printf(", %s, %s/%u, Flags: [%s]", - RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict", - ipaddr_string(obj_tptr+2), - *(obj_tptr+6), + if (length != 8) { + ND_PRINT((ndo, " ERROR: length != 8")); + goto invalid; + } + ND_TCHECK_8(obj_tptr); + prefix_length = EXTRACT_U_1(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(EXTRACT_U_1(obj_tptr)) ? "Loose" : "Strict", + ipaddr_string(ndo, obj_tptr+2), + EXTRACT_U_1((obj_tptr + 6)), bittok2str(rsvp_obj_rro_flag_values, "none", - *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */ + EXTRACT_U_1((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_TCHECK_8(obj_tptr); + ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u", + bittok2str(rsvp_obj_rro_label_flag_values, + "none", + EXTRACT_U_1((obj_tptr + 2))), + EXTRACT_U_1(obj_tptr + 2), + tok2str(rsvp_ctype_values, + "Unknown", + EXTRACT_U_1((obj_tptr + 3)) + (256 * RSVP_OBJ_RRO)), + EXTRACT_U_1((obj_tptr + 3)), + EXTRACT_BE_U_4(obj_tptr + 4))); } - obj_tlen-=*(obj_tptr+1); - obj_tptr+=*(obj_tptr+1); + obj_tlen-=EXTRACT_U_1(obj_tptr + 1); + obj_tptr+=EXTRACT_U_1(obj_tptr + 1); } break; default: @@ -966,10 +1137,10 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_2: if (obj_tlen < 8) return-1; - printf("%s Source Instance: 0x%08x, Destination Instance: 0x%08x", - ident, - EXTRACT_32BITS(obj_tptr), - EXTRACT_32BITS(obj_tptr+4)); + ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x", + indent, + EXTRACT_BE_U_4(obj_tptr), + EXTRACT_BE_U_4(obj_tptr + 4))); obj_tlen-=8; obj_tptr+=8; break; @@ -983,10 +1154,10 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_1: if (obj_tlen < 8) return-1; - printf("%s Restart Time: %ums, Recovery Time: %ums", - ident, - EXTRACT_32BITS(obj_tptr), - EXTRACT_32BITS(obj_tptr+4)); + ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums", + indent, + EXTRACT_BE_U_4(obj_tptr), + EXTRACT_BE_U_4(obj_tptr + 4))); obj_tlen-=8; obj_tptr+=8; break; @@ -1000,23 +1171,141 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_TUNNEL_IPV4: if (obj_tlen < 4) return-1; - namelen = *(obj_tptr+3); + namelen = EXTRACT_U_1(obj_tptr + 3); if (obj_tlen < 4+namelen) return-1; - printf("%s Session Name: ", ident); + ND_PRINT((ndo, "%s Session Name: ", indent)); for (i = 0; i < namelen; i++) - safeputchar(*(obj_tptr+4+i)); - printf("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s]", - ident, - (int)*obj_tptr, - (int)*(obj_tptr+1), - tok2str(rsvp_session_attribute_flag_values, + safeputchar(ndo, EXTRACT_U_1(obj_tptr + 4 + i)); + ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)", + indent, + EXTRACT_U_1(obj_tptr), + EXTRACT_U_1(obj_tptr + 1), + bittok2str(rsvp_session_attribute_flag_values, "none", - *(obj_tptr+2))); + EXTRACT_U_1((obj_tptr + 2))), + EXTRACT_U_1(obj_tptr + 2))); + obj_tlen-=4+EXTRACT_U_1((obj_tptr + 3)); + obj_tptr+=4+EXTRACT_U_1((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_BE_U_2(obj_tptr); + subobj_type = (EXTRACT_BE_U_2(obj_tptr + 2))>>8; + af = (EXTRACT_BE_U_2(obj_tptr + 2))&0x00FF; + + ND_PRINT((ndo, "%s Subobject Type: %s (%u), AF: %s (%u), length: %u", + indent, + 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", + indent, 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", + indent, 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", + indent, + ((EXTRACT_BE_U_4(obj_tptr + 4))>>31), + ((EXTRACT_BE_U_4(obj_tptr + 4))&0xFF), + EXTRACT_BE_U_4(obj_tptr + 8), + EXTRACT_BE_U_4(obj_tptr + 12))); + break; - obj_tlen-=4+*(obj_tptr+3); - obj_tptr+=4+*(obj_tptr+3); + case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL: + if (subobj_len < 8) { + return -1; + } + + ND_PRINT((ndo, "%s Service level: %u", + indent, (EXTRACT_BE_U_4(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; } @@ -1028,29 +1317,27 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_IPV4: if (obj_tlen < 8) return-1; - printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", - ident, - ipaddr_string(obj_tptr), - EXTRACT_32BITS(obj_tptr+4)); + ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", + indent, + ipaddr_string(ndo, obj_tptr), + EXTRACT_BE_U_4(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; - printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", - ident, - ip6addr_string(obj_tptr), - EXTRACT_32BITS(obj_tptr+16)); + ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", + indent, + ip6addr_string(ndo, obj_tptr), + EXTRACT_BE_U_4(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; } @@ -1061,9 +1348,9 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_1: if (obj_tlen < 4) return-1; - printf("%s Refresh Period: %ums", - ident, - EXTRACT_32BITS(obj_tptr)); + ND_PRINT((ndo, "%s Refresh Period: %ums", + indent, + EXTRACT_BE_U_4(obj_tptr))); obj_tlen-=4; obj_tptr+=4; break; @@ -1080,27 +1367,27 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_2: if (obj_tlen < 4) return-1; - printf("%s Msg-Version: %u, length: %u", - ident, - (*obj_tptr & 0xf0) >> 4, - EXTRACT_16BITS(obj_tptr+2)<<2); + ND_PRINT((ndo, "%s Msg-Version: %u, length: %u", + indent, + (EXTRACT_U_1(obj_tptr) & 0xf0) >> 4, + EXTRACT_BE_U_2(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; - printf("%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); - + intserv_serv_tlen=EXTRACT_BE_U_2(obj_tptr + 2)<<2; + ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u", + indent, + tok2str(rsvp_intserv_service_type_values,"unknown",EXTRACT_U_1((obj_tptr))), + EXTRACT_U_1(obj_tptr), + (EXTRACT_U_1(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(obj_tptr, obj_tlen); + processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen); if (processed == 0) break; obj_tlen-=processed; @@ -1119,55 +1406,81 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_IPV4: if (obj_tlen < 8) return-1; - printf("%s Source Address: %s, Source Port: %u", - ident, - ipaddr_string(obj_tptr), - EXTRACT_16BITS(obj_tptr+6)); + ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u", + indent, + ipaddr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(obj_tptr + 6))); obj_tlen-=8; obj_tptr+=8; break; -#ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < 20) return-1; - printf("%s Source Address: %s, Source Port: %u", - ident, - ip6addr_string(obj_tptr), - EXTRACT_16BITS(obj_tptr+18)); + ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u", + indent, + ip6addr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(obj_tptr + 18))); obj_tlen-=20; obj_tptr+=20; break; case RSVP_CTYPE_3: if (obj_tlen < 20) return-1; - printf("%s Source Address: %s, Flow Label: %u", - ident, - ip6addr_string(obj_tptr), - EXTRACT_24BITS(obj_tptr+17)); + ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u", + indent, + ip6addr_string(ndo, obj_tptr), + EXTRACT_BE_U_3(obj_tptr + 17))); obj_tlen-=20; obj_tptr+=20; break; case RSVP_CTYPE_TUNNEL_IPV6: if (obj_tlen < 20) return-1; - printf("%s Source Address: %s, LSP-ID: 0x%04x", - ident, - ipaddr_string(obj_tptr), - EXTRACT_16BITS(obj_tptr+18)); + ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x", + indent, + ipaddr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(obj_tptr + 18))); obj_tlen-=20; obj_tptr+=20; break; -#endif + 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", + indent, + ip6addr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(obj_tptr + 18), + indent, + ip6addr_string(ndo, obj_tptr+20), + EXTRACT_BE_U_2(obj_tptr + 38))); + obj_tlen-=40; + obj_tptr+=40; + break; case RSVP_CTYPE_TUNNEL_IPV4: if (obj_tlen < 8) return-1; - printf("%s Source Address: %s, LSP-ID: 0x%04x", - ident, - ipaddr_string(obj_tptr), - EXTRACT_16BITS(obj_tptr+6)); + ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x", + indent, + ipaddr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(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", + indent, + ipaddr_string(ndo, obj_tptr), + EXTRACT_BE_U_2(obj_tptr + 6), + indent, + ipaddr_string(ndo, obj_tptr+8), + EXTRACT_BE_U_2(obj_tptr + 12))); + obj_tlen-=16; + obj_tptr+=16; + break; default: hexdump=TRUE; } @@ -1176,23 +1489,23 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { 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; - printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", - ident, - (int)obj_ptr.rsvp_obj_frr->setup_prio, - (int)obj_ptr.rsvp_obj_frr->hold_prio, - (int)obj_ptr.rsvp_obj_frr->hop_limit, - bw.f*8/1000000); - printf("%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x", - ident, - EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any), - EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any), - EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)); + bw.i = EXTRACT_BE_U_4(obj_ptr.rsvp_obj_frr->bandwidth); + ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", + indent, + obj_ptr.rsvp_obj_frr->setup_prio, + obj_ptr.rsvp_obj_frr->hold_prio, + 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", + indent, + EXTRACT_BE_U_4(obj_ptr.rsvp_obj_frr->include_any), + EXTRACT_BE_U_4(obj_ptr.rsvp_obj_frr->exclude_any), + EXTRACT_BE_U_4(obj_ptr.rsvp_obj_frr->include_all))); obj_tlen-=sizeof(struct rsvp_obj_frr_t); obj_tptr+=sizeof(struct rsvp_obj_frr_t); break; @@ -1200,16 +1513,17 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_TUNNEL_IPV4: /* old style */ if (obj_tlen < 16) return-1; - printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", - ident, - (int)obj_ptr.rsvp_obj_frr->setup_prio, - (int)obj_ptr.rsvp_obj_frr->hold_prio, - (int)obj_ptr.rsvp_obj_frr->hop_limit, - bw.f*8/1000000); - printf("%s Include 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)); + bw.i = EXTRACT_BE_U_4(obj_ptr.rsvp_obj_frr->bandwidth); + ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", + indent, + obj_ptr.rsvp_obj_frr->setup_prio, + obj_ptr.rsvp_obj_frr->hold_prio, + obj_ptr.rsvp_obj_frr->hop_limit, + bw.f * 8 / 1000000)); + ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x", + indent, + EXTRACT_BE_U_4(obj_ptr.rsvp_obj_frr->include_any), + EXTRACT_BE_U_4(obj_ptr.rsvp_obj_frr->exclude_any))); obj_tlen-=16; obj_tptr+=16; break; @@ -1223,10 +1537,10 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { switch(rsvp_obj_ctype) { case RSVP_CTYPE_TUNNEL_IPV4: while(obj_tlen >= 8) { - printf("%s PLR-ID: %s, Avoid-Node-ID: %s", - ident, - ipaddr_string(obj_tptr), - ipaddr_string(obj_tptr+4)); + ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s", + indent, + ipaddr_string(ndo, obj_tptr), + ipaddr_string(ndo, obj_tptr + 4))); obj_tlen-=8; obj_tptr+=8; } @@ -1240,9 +1554,9 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */ switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: - printf("%s CT: %u", - ident, - EXTRACT_32BITS(obj_tptr)&0x7); + ND_PRINT((ndo, "%s CT: %u", + indent, + EXTRACT_BE_U_4(obj_tptr) & 0x7)); obj_tlen-=4; obj_tptr+=4; break; @@ -1257,53 +1571,53 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_IPV4: if (obj_tlen < 8) return-1; - error_code=*(obj_tptr+5); - error_value=EXTRACT_16BITS(obj_tptr+6); - printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", - ident, - ipaddr_string(obj_tptr), - *(obj_tptr+4), - ident, + error_code=EXTRACT_U_1(obj_tptr + 5); + error_value=EXTRACT_BE_U_2(obj_tptr + 6); + ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", + indent, + ipaddr_string(ndo, obj_tptr), + EXTRACT_U_1(obj_tptr + 4), + indent, tok2str(rsvp_obj_error_code_values,"unknown",error_code), - error_code); + error_code)); switch (error_code) { case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING: - printf(", Error Value: %s (%u)", + ND_PRINT((ndo, ", Error Value: %s (%u)", tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value), - error_value); + error_value)); break; - case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: - printf(", Error Value: %s (%u)", + 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); + error_value)); break; default: - printf(", Unknown Error Value (%u)", error_value); + 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); - printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", - ident, - ip6addr_string(obj_tptr), - *(obj_tptr+16), - ident, + error_code=EXTRACT_U_1(obj_tptr + 17); + error_value=EXTRACT_BE_U_2(obj_tptr + 18); + ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", + indent, + ip6addr_string(ndo, obj_tptr), + EXTRACT_U_1(obj_tptr + 16), + indent, tok2str(rsvp_obj_error_code_values,"unknown",error_code), - error_code); + error_code)); switch (error_code) { case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING: - printf(", Error Value: %s (%u)", + ND_PRINT((ndo, ", Error Value: %s (%u)", tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value), - error_value); + error_value)); break; default: break; @@ -1311,7 +1625,6 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { obj_tlen-=20; obj_tptr+=20; break; -#endif default: hexdump=TRUE; } @@ -1322,27 +1635,28 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_CTYPE_1: if (obj_tlen < 4) return-1; - padbytes = EXTRACT_16BITS(obj_tptr+2); - printf("%s TLV count: %u, padding bytes: %u", - ident, - EXTRACT_16BITS(obj_tptr), - padbytes); + padbytes = EXTRACT_BE_U_2(obj_tptr + 2); + ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u", + indent, + EXTRACT_BE_U_2(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) { - printf("%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)) + ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */ + indent, + tok2str(rsvp_obj_prop_tlv_values,"unknown",EXTRACT_U_1(obj_tptr)), + EXTRACT_U_1(obj_tptr), + EXTRACT_U_1(obj_tptr + 1))); + if (obj_tlen < EXTRACT_U_1((obj_tptr + 1))) return-1; - if (*(obj_tptr+1) < 2) + if (EXTRACT_U_1(obj_tptr + 1) < 2) return -1; - print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2); - obj_tlen-=*(obj_tptr+1); - obj_tptr+=*(obj_tptr+1); + print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", + EXTRACT_U_1(obj_tptr + 1) - 2); + obj_tlen-=EXTRACT_U_1(obj_tptr + 1); + obj_tptr+=EXTRACT_U_1(obj_tptr + 1); } break; default: @@ -1355,20 +1669,21 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_OBJ_MESSAGE_ID_LIST: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: + case RSVP_CTYPE_2: if (obj_tlen < 8) return-1; - printf("%s Flags [0x%02x], epoch: %u", - ident, - *obj_tptr, - EXTRACT_24BITS(obj_tptr+1)); + ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u", + indent, + EXTRACT_U_1(obj_tptr), + EXTRACT_BE_U_3(obj_tptr + 1))); obj_tlen-=4; obj_tptr+=4; /* loop through as long there are no messages left */ while(obj_tlen >= 4) { - printf("%s Message-ID 0x%08x (%u)", - ident, - EXTRACT_32BITS(obj_tptr), - EXTRACT_32BITS(obj_tptr)); + ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)", + indent, + EXTRACT_BE_U_4(obj_tptr), + EXTRACT_BE_U_4(obj_tptr))); obj_tlen-=4; obj_tptr+=4; } @@ -1384,28 +1699,120 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { if (obj_tlen < sizeof(struct rsvp_obj_integrity_t)) return-1; obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr; - printf("%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]", - ident, - EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id), - EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2), - EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence), - EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4), + ND_PRINT((ndo, "%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]", + indent, + EXTRACT_BE_U_2(obj_ptr.rsvp_obj_integrity->key_id), + EXTRACT_BE_U_4(obj_ptr.rsvp_obj_integrity->key_id + 2), + EXTRACT_BE_U_4(obj_ptr.rsvp_obj_integrity->sequence), + EXTRACT_BE_U_4(obj_ptr.rsvp_obj_integrity->sequence + 4), bittok2str(rsvp_obj_integrity_flag_values, "none", - obj_ptr.rsvp_obj_integrity->flags)); - printf("%s MD5-sum 0x%08x%08x%08x%08x (unverified)", - ident, - EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest), - EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4), - EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8), - EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+12)); + obj_ptr.rsvp_obj_integrity->flags))); + ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ", + indent, + EXTRACT_BE_U_4(obj_ptr.rsvp_obj_integrity->digest), + EXTRACT_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 4), + EXTRACT_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 8), + EXTRACT_BE_U_4(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; + 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]", indent, + bittok2str(rsvp_obj_admin_status_flag_values, "none", + EXTRACT_BE_U_4(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_BE_U_2(obj_tptr)>>8); + + ND_PRINT((ndo, "%s Action: %s (%u), Label type: %u", indent, + tok2str(rsvp_obj_label_set_action_values, "Unknown", action), + action, ((EXTRACT_BE_U_4(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", indent, + EXTRACT_BE_U_4(obj_tptr + 4), + EXTRACT_BE_U_4(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", indent, subchannel, + EXTRACT_BE_U_4(obj_tptr))); + obj_tptr+=4; + obj_tlen-=4; + subchannel++; + } + break; + } + break; + default: + hexdump=TRUE; + } + break; + + 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", + indent, 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", + indent, ip6addr_string(ndo, obj_tptr))); + + obj_tlen-=16; + obj_tptr+=16; + break; + default: + hexdump=TRUE; + } + break; /* * FIXME those are the defined objects that lack a decoder @@ -1414,128 +1821,144 @@ rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { case RSVP_OBJ_SCOPE: case RSVP_OBJ_POLICY_DATA: - case RSVP_OBJ_LABEL_SET: case RSVP_OBJ_ACCEPT_LABEL_SET: case RSVP_OBJ_PROTECTION: default: - if (vflag <= 1) - print_unknown_data(obj_tptr,"\n\t ",obj_tlen); /* FIXME indentation */ + 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 (vflag > 1 || hexdump==TRUE) - print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", /* FIXME indentation */ - rsvp_obj_len-sizeof(struct rsvp_object_header)); + 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: - printf("\n\t\t packet exceeded snapshot"); + ND_PRINT((ndo, "\n\t\t")); + ND_PRINT((ndo, "%s", tstr)); return -1; } - void -rsvp_print(register const u_char *pptr, register u_int len) { - +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,*subtptr; - u_short tlen,subtlen; + const u_char *tptr; + u_short plen, tlen; tptr=pptr; rsvp_com_header = (const struct rsvp_common_header *)pptr; - TCHECK(*rsvp_com_header); + ND_TCHECK(*rsvp_com_header); /* * Sanity checking of the header. */ if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) { - printf("ERROR: RSVP version %u packet not supported", - RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)); + 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 (vflag < 1) { - printf("RSVPv%u %s Message, length: %u", + 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); + len)); return; } /* ok they seem to want to know everything - lets fully decode it */ - tlen=EXTRACT_16BITS(rsvp_com_header->length); + plen = tlen = EXTRACT_BE_U_2(rsvp_com_header->length); - printf("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x", + 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)); + EXTRACT_BE_U_2(rsvp_com_header->checksum))); - if (tlen < sizeof(const struct rsvp_common_header)) { - printf("ERROR: common header too short %u < %lu", tlen, - (unsigned long)sizeof(const struct rsvp_common_header)); + if (tlen < sizeof(struct rsvp_common_header)) { + ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen, + (unsigned long)sizeof(struct rsvp_common_header))); return; } - tptr+=sizeof(const struct rsvp_common_header); - tlen-=sizeof(const struct rsvp_common_header); + tptr+=sizeof(struct rsvp_common_header); + tlen-=sizeof(struct rsvp_common_header); switch(rsvp_com_header->msg_type) { - case RSVP_MSGTYPE_AGGREGATE: + 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) { - subtptr=tptr; - rsvp_com_header = (const struct rsvp_common_header *)subtptr; - TCHECK(*rsvp_com_header); + 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) { - printf("ERROR: RSVP version %u packet not supported", - RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)); + 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); - - printf("\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x", + + subplen = subtlen = EXTRACT_BE_U_2(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)) { - printf("ERROR: common header too short %u < %lu", subtlen, - (unsigned long)sizeof(const struct rsvp_common_header)); + EXTRACT_BE_U_2(rsvp_com_header->checksum))); + + if (subtlen < sizeof(struct rsvp_common_header)) { + ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen, + (unsigned long)sizeof(struct rsvp_common_header))); return; } if (tlen < subtlen) { - printf("ERROR: common header too large %u > %u", subtlen, - tlen); + 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); + subtptr+=sizeof(struct rsvp_common_header); + subtlen-=sizeof(struct rsvp_common_header); - if (rsvp_obj_print(subtptr,"\n\t ", subtlen) == -1) + /* + * 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); + tptr+=subtlen+sizeof(struct rsvp_common_header); + tlen-=subtlen+sizeof(struct rsvp_common_header); } break; @@ -1551,16 +1974,20 @@ rsvp_print(register const u_char *pptr, register u_int len) { case RSVP_MSGTYPE_HELLO: case RSVP_MSGTYPE_ACK: case RSVP_MSGTYPE_SREFRESH: - if (rsvp_obj_print(tptr,"\n\t ", tlen) == -1) + /* + * 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(tptr,"\n\t ",tlen); + default: + print_unknown_data(ndo, tptr, "\n\t ", tlen); break; } return; trunc: - printf("\n\t\t packet exceeded snapshot"); + ND_PRINT((ndo, "\n\t\t")); + ND_PRINT((ndo, "%s", tstr)); }