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94a3708f00
Builds using Autotools or CMake generate config.h, thus remove the '#ifdef HAVE_CONFIG_H'/'#endif'. Remove also the 'add_definitions(-DHAVE_CONFIG_H)' in CMakeLists.txt.
2042 lines
81 KiB
C
2042 lines
81 KiB
C
/*
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* Copyright (c) 1998-2007 The TCPDUMP project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code
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* distributions retain the above copyright notice and this paragraph
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* in its entirety, and (2) distributions including binary code include
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* the above copyright notice and this paragraph in its entirety in
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* the documentation or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
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* WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
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* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE.
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*
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* Original code by Hannes Gredler (hannes@gredler.at)
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*/
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/* \summary: Resource ReSerVation Protocol (RSVP) printer */
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/* specification: RFC 2205 */
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#include <config.h>
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#include "netdissect-stdinc.h"
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#define ND_LONGJMP_FROM_TCHECK
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#include "netdissect.h"
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#include "extract.h"
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#include "addrtoname.h"
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#include "ethertype.h"
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#include "gmpls.h"
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#include "af.h"
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#include "signature.h"
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/*
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* RFC 2205 common header
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*
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* 0 1 2 3
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* +-------------+-------------+-------------+-------------+
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* | Vers | Flags| Msg Type | RSVP Checksum |
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* +-------------+-------------+-------------+-------------+
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* | Send_TTL | (Reserved) | RSVP Length |
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* +-------------+-------------+-------------+-------------+
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*
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*/
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struct rsvp_common_header {
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nd_uint8_t version_flags;
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nd_uint8_t msg_type;
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nd_uint16_t checksum;
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nd_uint8_t ttl;
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nd_byte reserved[1];
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nd_uint16_t length;
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};
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/*
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* RFC2205 object header
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*
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*
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* 0 1 2 3
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* +-------------+-------------+-------------+-------------+
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* | Length (bytes) | Class-Num | C-Type |
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* +-------------+-------------+-------------+-------------+
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* | |
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* // (Object contents) //
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* | |
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* +-------------+-------------+-------------+-------------+
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*/
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struct rsvp_object_header {
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nd_uint16_t length;
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nd_uint8_t class_num;
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nd_uint8_t ctype;
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};
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#define RSVP_VERSION 1
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#define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
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#define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
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#define RSVP_MSGTYPE_PATH 1
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#define RSVP_MSGTYPE_RESV 2
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#define RSVP_MSGTYPE_PATHERR 3
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#define RSVP_MSGTYPE_RESVERR 4
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#define RSVP_MSGTYPE_PATHTEAR 5
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#define RSVP_MSGTYPE_RESVTEAR 6
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#define RSVP_MSGTYPE_RESVCONF 7
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#define RSVP_MSGTYPE_BUNDLE 12
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#define RSVP_MSGTYPE_ACK 13
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#define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
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#define RSVP_MSGTYPE_SREFRESH 15
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#define RSVP_MSGTYPE_HELLO 20
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static const struct tok rsvp_msg_type_values[] = {
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{ RSVP_MSGTYPE_PATH, "Path" },
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{ RSVP_MSGTYPE_RESV, "Resv" },
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{ RSVP_MSGTYPE_PATHERR, "PathErr" },
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{ RSVP_MSGTYPE_RESVERR, "ResvErr" },
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{ RSVP_MSGTYPE_PATHTEAR, "PathTear" },
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{ RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
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{ RSVP_MSGTYPE_RESVCONF, "ResvConf" },
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{ RSVP_MSGTYPE_BUNDLE, "Bundle" },
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{ RSVP_MSGTYPE_ACK, "Acknowledgement" },
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{ RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
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{ RSVP_MSGTYPE_SREFRESH, "Refresh" },
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{ RSVP_MSGTYPE_HELLO, "Hello" },
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{ 0, NULL}
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};
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static const struct tok rsvp_header_flag_values[] = {
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{ 0x01, "Refresh reduction capable" }, /* rfc2961 */
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{ 0, NULL}
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};
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static const struct tok rsvp_obj_capability_flag_values[] = {
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{ 0x0004, "RecoveryPath Transmit Enabled" },
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{ 0x0002, "RecoveryPath Desired" },
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{ 0x0001, "RecoveryPath Srefresh Capable" },
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{ 0, NULL}
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};
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#define RSVP_OBJ_SESSION 1 /* rfc2205 */
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#define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
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#define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
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#define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
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#define RSVP_OBJ_ERROR_SPEC 6
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#define RSVP_OBJ_SCOPE 7
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#define RSVP_OBJ_STYLE 8 /* rfc2205 */
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#define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
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#define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
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#define RSVP_OBJ_SENDER_TEMPLATE 11
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#define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
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#define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
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#define RSVP_OBJ_POLICY_DATA 14
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#define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
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#define RSVP_OBJ_LABEL 16 /* rfc3209 */
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#define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
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#define RSVP_OBJ_ERO 20 /* rfc3209 */
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#define RSVP_OBJ_RRO 21 /* rfc3209 */
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#define RSVP_OBJ_HELLO 22 /* rfc3209 */
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#define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */
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#define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
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#define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
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#define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
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#define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
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#define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
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#define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
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#define RSVP_OBJ_S2L 50 /* rfc4875 */
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#define RSVP_OBJ_DETOUR 63 /* rfc4090 */
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#define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
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#define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
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#define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
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#define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
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#define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
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#define RSVP_OBJ_CAPABILITY 134 /* rfc5063 */
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#define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
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#define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
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#define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
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#define RSVP_OBJ_FASTREROUTE 205 /* rfc4090 */
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#define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
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#define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
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#define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
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#define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
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static const struct tok rsvp_obj_values[] = {
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{ RSVP_OBJ_SESSION, "Session" },
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{ RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
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{ RSVP_OBJ_INTEGRITY, "Integrity" },
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{ RSVP_OBJ_TIME_VALUES, "Time Values" },
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{ RSVP_OBJ_ERROR_SPEC, "Error Spec" },
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{ RSVP_OBJ_SCOPE, "Scope" },
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{ RSVP_OBJ_STYLE, "Style" },
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{ RSVP_OBJ_FLOWSPEC, "Flowspec" },
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{ RSVP_OBJ_FILTERSPEC, "FilterSpec" },
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{ RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
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{ RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
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{ RSVP_OBJ_ADSPEC, "Adspec" },
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{ RSVP_OBJ_POLICY_DATA, "Policy Data" },
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{ RSVP_OBJ_CONFIRM, "Confirm" },
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{ RSVP_OBJ_LABEL, "Label" },
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{ RSVP_OBJ_LABEL_REQ, "Label Request" },
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{ RSVP_OBJ_ERO, "ERO" },
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{ RSVP_OBJ_RRO, "RRO" },
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{ RSVP_OBJ_HELLO, "Hello" },
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{ RSVP_OBJ_MESSAGE_ID, "Message ID" },
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{ RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
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{ RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
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{ RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
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{ RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
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{ RSVP_OBJ_LABEL_SET, "Label Set" },
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{ RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
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{ RSVP_OBJ_DETOUR, "Detour" },
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{ RSVP_OBJ_CLASSTYPE, "Class Type" },
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{ RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
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{ RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
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{ RSVP_OBJ_PROPERTIES, "Properties" },
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{ RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
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{ RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
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{ RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" },
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{ RSVP_OBJ_CALL_ID, "Call-ID" },
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{ RSVP_OBJ_CALL_OPS, "Call Capability" },
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{ RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
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{ RSVP_OBJ_CAPABILITY, "Capability" },
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{ RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
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{ RSVP_OBJ_PROTECTION, "Protection" },
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{ RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
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{ RSVP_OBJ_S2L, "Sub-LSP to LSP" },
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{ 0, NULL}
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};
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#define RSVP_CTYPE_IPV4 1
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#define RSVP_CTYPE_IPV6 2
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#define RSVP_CTYPE_TUNNEL_IPV4 7
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#define RSVP_CTYPE_TUNNEL_IPV6 8
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#define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
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#define RSVP_CTYPE_1 1
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#define RSVP_CTYPE_2 2
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#define RSVP_CTYPE_3 3
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#define RSVP_CTYPE_4 4
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#define RSVP_CTYPE_12 12
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#define RSVP_CTYPE_13 13
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#define RSVP_CTYPE_14 14
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/*
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* the ctypes are not globally unique so for
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* translating it to strings we build a table based
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* on objects offsetted by the ctype
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*/
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static const struct tok rsvp_ctype_values[] = {
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{ 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
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{ 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
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{ 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
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{ 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
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{ 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
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{ 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
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{ 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
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{ 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
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{ 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
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{ 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
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{ 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
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{ 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
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{ 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
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{ 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
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{ 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
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{ 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
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{ 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
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{ 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
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{ 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
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{ 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
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{ 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
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{ 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
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{ 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" },
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{ 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" },
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{ 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" },
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{ 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
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{ 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
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{ 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
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{ 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
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{ 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
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{ 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
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{ 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" },
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{ 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
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{ 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
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{ 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
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{ 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
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{ 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
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{ 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
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{ 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
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{ 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
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{ 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
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{ 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
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{ 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
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{ 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
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{ 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
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{ 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
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{ 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
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{ 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
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{ 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
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{ 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
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{ 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
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{ 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
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{ 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
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{ 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
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{ 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
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{ 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
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{ 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
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{ 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
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{ 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
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{ 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
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{ 256*RSVP_OBJ_CAPABILITY+RSVP_CTYPE_1, "1" },
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{ 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
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{ 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
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{ 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
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{ 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
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{ 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
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{ 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
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{ 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
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{ 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
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{ 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
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{ 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" },
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{ 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" },
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{ 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" },
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{ 0, NULL}
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};
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/*
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* XXX - this assumes a 16-byte digest, which is true for HMAC-MD5, but
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* isn't necessarily the case for other hash algorithms.
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*
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* Unless I've missed something, there's nothing in RFC 2747 to indicate
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* the hash algorithm being used, so it's presumably something set up
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* out-of-band, or negotiated by other RSVP objects.
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*/
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struct rsvp_obj_integrity_t {
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nd_uint8_t flags;
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nd_uint8_t res;
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nd_byte key_id[6];
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nd_byte sequence[8];
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nd_byte digest[16];
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};
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static const struct tok rsvp_obj_integrity_flag_values[] = {
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{ 0x80, "Handshake" },
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{ 0, NULL}
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};
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struct rsvp_obj_frr_t {
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nd_uint8_t setup_prio;
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nd_uint8_t hold_prio;
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nd_uint8_t hop_limit;
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nd_uint8_t flags;
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nd_float bandwidth;
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nd_uint32_t include_any;
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nd_uint32_t exclude_any;
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nd_uint32_t include_all;
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};
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#define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
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#define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
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#define RSVP_OBJ_CAPABILITY_FLAGS_MASK 0x7U
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#define RSVP_OBJ_XRO_RES 0
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#define RSVP_OBJ_XRO_IPV4 1
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#define RSVP_OBJ_XRO_IPV6 2
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#define RSVP_OBJ_XRO_LABEL 3
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#define RSVP_OBJ_XRO_ASN 32
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#define RSVP_OBJ_XRO_MPLS 64
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static const struct tok rsvp_obj_xro_values[] = {
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{ RSVP_OBJ_XRO_RES, "Reserved" },
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{ RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
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{ RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
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{ RSVP_OBJ_XRO_LABEL, "Label" },
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{ RSVP_OBJ_XRO_ASN, "Autonomous system number" },
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{ RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
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|
{ 0, NULL}
|
|
};
|
|
|
|
/* RFC4090 */
|
|
static const struct tok rsvp_obj_rro_flag_values[] = {
|
|
{ 0x01, "Local protection available" },
|
|
{ 0x02, "Local protection in use" },
|
|
{ 0x04, "Bandwidth protection" },
|
|
{ 0x08, "Node protection" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
/* RFC3209 */
|
|
static const struct tok rsvp_obj_rro_label_flag_values[] = {
|
|
{ 0x01, "Global" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
static const struct tok rsvp_resstyle_values[] = {
|
|
{ 17, "Wildcard Filter" },
|
|
{ 10, "Fixed Filter" },
|
|
{ 18, "Shared Explicit" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
|
|
#define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
|
|
|
|
static const struct tok rsvp_intserv_service_type_values[] = {
|
|
{ 1, "Default/Global Information" },
|
|
{ RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
|
|
{ RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
static const struct tok rsvp_intserv_parameter_id_values[] = {
|
|
{ 4, "IS hop cnt" },
|
|
{ 6, "Path b/w estimate" },
|
|
{ 8, "Minimum path latency" },
|
|
{ 10, "Composed MTU" },
|
|
{ 127, "Token Bucket TSpec" },
|
|
{ 130, "Guaranteed Service RSpec" },
|
|
{ 133, "End-to-end composed value for C" },
|
|
{ 134, "End-to-end composed value for D" },
|
|
{ 135, "Since-last-reshaping point composed C" },
|
|
{ 136, "Since-last-reshaping point composed D" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
static const struct tok rsvp_session_attribute_flag_values[] = {
|
|
{ 0x01, "Local Protection" },
|
|
{ 0x02, "Label Recording" },
|
|
{ 0x04, "SE Style" },
|
|
{ 0x08, "Bandwidth protection" }, /* RFC4090 */
|
|
{ 0x10, "Node protection" }, /* RFC4090 */
|
|
{ 0, NULL}
|
|
};
|
|
|
|
static const struct tok rsvp_obj_prop_tlv_values[] = {
|
|
{ 0x01, "Cos" },
|
|
{ 0x02, "Metric 1" },
|
|
{ 0x04, "Metric 2" },
|
|
{ 0x08, "CCC Status" },
|
|
{ 0x10, "Path Type" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
|
|
#define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
|
|
#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
|
|
#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
|
|
|
|
static const struct tok rsvp_obj_error_code_values[] = {
|
|
{ RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
|
|
{ RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
|
|
{ RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
|
|
{ RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
static const struct tok rsvp_obj_error_code_routing_values[] = {
|
|
{ 1, "Bad EXPLICIT_ROUTE object" },
|
|
{ 2, "Bad strict node" },
|
|
{ 3, "Bad loose node" },
|
|
{ 4, "Bad initial subobject" },
|
|
{ 5, "No route available toward destination" },
|
|
{ 6, "Unacceptable label value" },
|
|
{ 7, "RRO indicated routing loops" },
|
|
{ 8, "non-RSVP-capable router in the path" },
|
|
{ 9, "MPLS label allocation failure" },
|
|
{ 10, "Unsupported L3PID" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
static const struct tok rsvp_obj_error_code_diffserv_te_values[] = {
|
|
{ 1, "Unexpected CT object" },
|
|
{ 2, "Unsupported CT" },
|
|
{ 3, "Invalid CT value" },
|
|
{ 4, "CT/setup priority do not form a configured TE-Class" },
|
|
{ 5, "CT/holding priority do not form a configured TE-Class" },
|
|
{ 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
|
|
{ 7, "Inconsistency between signaled PSC and signaled CT" },
|
|
{ 8, "Inconsistency between signaled PHBs and signaled CT" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
/* rfc3473 / rfc 3471 */
|
|
static const struct tok rsvp_obj_admin_status_flag_values[] = {
|
|
{ 0x80000000, "Reflect" },
|
|
{ 0x00000004, "Testing" },
|
|
{ 0x00000002, "Admin-down" },
|
|
{ 0x00000001, "Delete-in-progress" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
/* label set actions - rfc3471 */
|
|
#define LABEL_SET_INCLUSIVE_LIST 0
|
|
#define LABEL_SET_EXCLUSIVE_LIST 1
|
|
#define LABEL_SET_INCLUSIVE_RANGE 2
|
|
#define LABEL_SET_EXCLUSIVE_RANGE 3
|
|
|
|
static const struct tok rsvp_obj_label_set_action_values[] = {
|
|
{ LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
|
|
{ LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
|
|
{ LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
|
|
{ LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
/* OIF RSVP extensions UNI 1.0 Signaling, release 2 */
|
|
#define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1
|
|
#define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2
|
|
#define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3
|
|
#define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4
|
|
#define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5
|
|
|
|
static const struct tok rsvp_obj_generalized_uni_values[] = {
|
|
{ RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" },
|
|
{ RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" },
|
|
{ RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" },
|
|
{ RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" },
|
|
{ RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
/*
|
|
* this is a dissector for all the intserv defined
|
|
* specs as defined per rfc2215
|
|
* it is called from various rsvp objects;
|
|
* returns the amount of bytes being processed
|
|
*/
|
|
static u_int
|
|
rsvp_intserv_print(netdissect_options *ndo,
|
|
const u_char *tptr, u_int obj_tlen)
|
|
{
|
|
u_int parameter_id,parameter_length;
|
|
|
|
ND_ICHECK_U(obj_tlen, <, 4);
|
|
parameter_id = GET_U_1(tptr);
|
|
parameter_length = GET_BE_U_2(tptr + 2)<<2; /* convert wordcount to bytecount */
|
|
|
|
ND_PRINT("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
|
|
tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
|
|
parameter_id,
|
|
parameter_length,
|
|
GET_U_1(tptr + 1));
|
|
|
|
ND_ICHECK_U(obj_tlen, <, parameter_length + 4);
|
|
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("\n\t\tIS hop count: %u", GET_BE_U_4(tptr + 4));
|
|
}
|
|
break;
|
|
|
|
case 6:
|
|
/*
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | 6 (h) | (i) | 1 (j) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Path b/w estimate (32-bit IEEE floating point number) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
*/
|
|
if (parameter_length == 4) {
|
|
ND_PRINT("\n\t\tPath b/w estimate: %.10g Mbps",
|
|
GET_BE_F_4(tptr + 4) / 125000);
|
|
}
|
|
break;
|
|
|
|
case 8:
|
|
/*
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | 8 (k) | (l) | 1 (m) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Minimum path latency (32-bit integer) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
*/
|
|
if (parameter_length == 4) {
|
|
ND_PRINT("\n\t\tMinimum path latency: ");
|
|
if (GET_BE_U_4(tptr + 4) == 0xffffffff)
|
|
ND_PRINT("don't care");
|
|
else
|
|
ND_PRINT("%u", GET_BE_U_4(tptr + 4));
|
|
}
|
|
break;
|
|
|
|
case 10:
|
|
|
|
/*
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | 10 (n) | (o) | 1 (p) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Composed MTU (32-bit unsigned integer) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
*/
|
|
if (parameter_length == 4) {
|
|
ND_PRINT("\n\t\tComposed MTU: %u bytes", GET_BE_U_4(tptr + 4));
|
|
}
|
|
break;
|
|
case 127:
|
|
/*
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | 127 (e) | 0 (f) | 5 (g) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Token Bucket Rate [r] (32-bit IEEE floating point number) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Token Bucket Size [b] (32-bit IEEE floating point number) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Peak Data Rate [p] (32-bit IEEE floating point number) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Minimum Policed Unit [m] (32-bit integer) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Maximum Packet Size [M] (32-bit integer) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
*/
|
|
|
|
if (parameter_length == 20) {
|
|
ND_PRINT("\n\t\tToken Bucket Rate: %.10g Mbps",
|
|
GET_BE_F_4(tptr + 4) / 125000);
|
|
ND_PRINT("\n\t\tToken Bucket Size: %.10g bytes",
|
|
GET_BE_F_4(tptr + 8));
|
|
ND_PRINT("\n\t\tPeak Data Rate: %.10g Mbps",
|
|
GET_BE_F_4(tptr + 12) / 125000);
|
|
ND_PRINT("\n\t\tMinimum Policed Unit: %u bytes",
|
|
GET_BE_U_4(tptr + 16));
|
|
ND_PRINT("\n\t\tMaximum Packet Size: %u bytes",
|
|
GET_BE_U_4(tptr + 20));
|
|
}
|
|
break;
|
|
|
|
case 130:
|
|
/*
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | 130 (h) | 0 (i) | 2 (j) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Rate [R] (32-bit IEEE floating point number) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Slack Term [S] (32-bit integer) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
*/
|
|
|
|
if (parameter_length == 8) {
|
|
ND_PRINT("\n\t\tRate: %.10g Mbps", GET_BE_F_4(tptr + 4) / 125000);
|
|
ND_PRINT("\n\t\tSlack Term: %u", GET_BE_U_4(tptr + 8));
|
|
}
|
|
break;
|
|
|
|
case 133:
|
|
case 134:
|
|
case 135:
|
|
case 136:
|
|
if (parameter_length == 4) {
|
|
ND_PRINT("\n\t\tValue: %u", GET_BE_U_4(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 */
|
|
|
|
invalid:
|
|
nd_print_invalid(ndo);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Clear checksum prior to signature verification.
|
|
*/
|
|
static void
|
|
rsvp_clear_checksum(void *header)
|
|
{
|
|
struct rsvp_common_header *rsvp_com_header = (struct rsvp_common_header *) header;
|
|
|
|
rsvp_com_header->checksum[0] = 0;
|
|
rsvp_com_header->checksum[1] = 0;
|
|
}
|
|
|
|
static int
|
|
rsvp_obj_print(netdissect_options *ndo,
|
|
const u_char *pptr, u_int plen, const u_char *tptr,
|
|
const char *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 {
|
|
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,rsvp_obj_class_num;
|
|
u_int obj_tlen,intserv_serv_tlen;
|
|
int hexdump;
|
|
u_int processed,padbytes,error_code,error_value,i,sigcheck;
|
|
u_int namelen;
|
|
|
|
u_int action, subchannel;
|
|
|
|
while(tlen>=sizeof(struct rsvp_object_header)) {
|
|
rsvp_obj_header = (const struct rsvp_object_header *)tptr;
|
|
rsvp_obj_len=GET_BE_U_2(rsvp_obj_header->length);
|
|
rsvp_obj_ctype=GET_U_1(rsvp_obj_header->ctype);
|
|
|
|
if(rsvp_obj_len % 4) {
|
|
ND_PRINT("%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)) {
|
|
ND_PRINT("%sERROR: object header too short %u < %zu", indent, rsvp_obj_len,
|
|
sizeof(struct rsvp_object_header));
|
|
return -1;
|
|
}
|
|
|
|
rsvp_obj_class_num = GET_U_1(rsvp_obj_header->class_num);
|
|
ND_PRINT("%s%s Object (%u) Flags: [%s",
|
|
indent,
|
|
tok2str(rsvp_obj_values,
|
|
"Unknown",
|
|
rsvp_obj_class_num),
|
|
rsvp_obj_class_num,
|
|
(rsvp_obj_class_num & 0x80) ?
|
|
((rsvp_obj_class_num & 0x40) ? "ignore and forward" :
|
|
"ignore silently") :
|
|
"reject");
|
|
|
|
ND_PRINT(" if unknown], Class-Type: %s (%u), length: %u",
|
|
tok2str(rsvp_ctype_values,
|
|
"Unknown",
|
|
(rsvp_obj_class_num<<8)+rsvp_obj_ctype),
|
|
rsvp_obj_ctype,
|
|
rsvp_obj_len);
|
|
|
|
if(tlen < rsvp_obj_len) {
|
|
ND_PRINT("%sERROR: object goes past end of objects TLV", indent);
|
|
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 ? */
|
|
ND_TCHECK_LEN(tptr, rsvp_obj_len);
|
|
hexdump=FALSE;
|
|
|
|
switch(rsvp_obj_class_num) {
|
|
case RSVP_OBJ_SESSION:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_IPV4:
|
|
if (obj_tlen < 8)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr),
|
|
GET_U_1(obj_tptr + sizeof(nd_ipv4)));
|
|
ND_PRINT("%s Flags: [0x%02x], DestPort %u",
|
|
indent,
|
|
GET_U_1((obj_tptr + 5)),
|
|
GET_BE_U_2(obj_tptr + 6));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
case RSVP_CTYPE_IPV6:
|
|
if (obj_tlen < 20)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
|
|
indent,
|
|
GET_IP6ADDR_STRING(obj_tptr),
|
|
GET_U_1(obj_tptr + sizeof(nd_ipv6)));
|
|
ND_PRINT("%s Flags: [0x%02x], DestPort %u",
|
|
indent,
|
|
GET_U_1((obj_tptr + sizeof(nd_ipv6) + 1)),
|
|
GET_BE_U_2(obj_tptr + sizeof(nd_ipv6) + 2));
|
|
obj_tlen-=20;
|
|
obj_tptr+=20;
|
|
break;
|
|
|
|
case RSVP_CTYPE_TUNNEL_IPV6:
|
|
if (obj_tlen < 36)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
|
|
indent,
|
|
GET_IP6ADDR_STRING(obj_tptr),
|
|
GET_BE_U_2(obj_tptr + 18),
|
|
GET_IP6ADDR_STRING(obj_tptr + 20));
|
|
obj_tlen-=36;
|
|
obj_tptr+=36;
|
|
break;
|
|
|
|
case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
|
|
if (obj_tlen < 26)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
|
|
indent,
|
|
GET_BE_U_4(obj_tptr),
|
|
GET_BE_U_2(obj_tptr + 6),
|
|
GET_IP6ADDR_STRING(obj_tptr + 8));
|
|
obj_tlen-=26;
|
|
obj_tptr+=26;
|
|
break;
|
|
case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
|
|
if (obj_tlen < 12)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr),
|
|
GET_BE_U_2(obj_tptr + 6),
|
|
GET_IPADDR_STRING(obj_tptr + 8));
|
|
obj_tlen-=12;
|
|
obj_tptr+=12;
|
|
break;
|
|
case RSVP_CTYPE_TUNNEL_IPV4:
|
|
case RSVP_CTYPE_UNI_IPV4:
|
|
if (obj_tlen < 12)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr),
|
|
GET_BE_U_2(obj_tptr + 6),
|
|
GET_IPADDR_STRING(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(nd_ipv4))
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv4 Receiver Address: %s",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr));
|
|
obj_tlen-=sizeof(nd_ipv4);
|
|
obj_tptr+=sizeof(nd_ipv4);
|
|
break;
|
|
case RSVP_CTYPE_IPV6:
|
|
if (obj_tlen < sizeof(nd_ipv6))
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv6 Receiver Address: %s",
|
|
indent,
|
|
GET_IP6ADDR_STRING(obj_tptr));
|
|
obj_tlen-=sizeof(nd_ipv6);
|
|
obj_tptr+=sizeof(nd_ipv6);
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_NOTIFY_REQ:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_IPV4:
|
|
if (obj_tlen < sizeof(nd_ipv4))
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv4 Notify Node Address: %s",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr));
|
|
obj_tlen-=sizeof(nd_ipv4);
|
|
obj_tptr+=sizeof(nd_ipv4);
|
|
break;
|
|
case RSVP_CTYPE_IPV6:
|
|
if (obj_tlen < sizeof(nd_ipv6))
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv6 Notify Node Address: %s",
|
|
indent,
|
|
GET_IP6ADDR_STRING(obj_tptr));
|
|
obj_tlen-=sizeof(nd_ipv6);
|
|
obj_tptr+=sizeof(nd_ipv6);
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
|
|
case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
|
|
case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
|
|
case RSVP_OBJ_LABEL:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
while(obj_tlen >= 4 ) {
|
|
ND_PRINT("%s Label: %u", indent, GET_BE_U_4(obj_tptr));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
}
|
|
break;
|
|
case RSVP_CTYPE_2:
|
|
if (obj_tlen < 4)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Generalized Label: %u",
|
|
indent,
|
|
GET_BE_U_4(obj_tptr));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
break;
|
|
case RSVP_CTYPE_3:
|
|
if (obj_tlen < 12)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
|
|
indent,
|
|
GET_BE_U_4(obj_tptr),
|
|
indent,
|
|
GET_BE_U_4(obj_tptr + 4),
|
|
GET_BE_U_4(obj_tptr + 8));
|
|
obj_tlen-=12;
|
|
obj_tptr+=12;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_STYLE:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
if (obj_tlen < 4)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Reservation Style: %s, Flags: [0x%02x]",
|
|
indent,
|
|
tok2str(rsvp_resstyle_values,
|
|
"Unknown",
|
|
GET_BE_U_3(obj_tptr + 1)),
|
|
GET_U_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)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Source Address: %s, Source Port: %u",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr),
|
|
GET_BE_U_2(obj_tptr + 6));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
case RSVP_CTYPE_IPV6:
|
|
if (obj_tlen < 20)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Source Address: %s, Source Port: %u",
|
|
indent,
|
|
GET_IP6ADDR_STRING(obj_tptr),
|
|
GET_BE_U_2(obj_tptr + 18));
|
|
obj_tlen-=20;
|
|
obj_tptr+=20;
|
|
break;
|
|
case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
|
|
if (obj_tlen < 40)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
|
|
"%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
|
|
indent,
|
|
GET_IP6ADDR_STRING(obj_tptr),
|
|
GET_BE_U_2(obj_tptr + 18),
|
|
indent,
|
|
GET_IP6ADDR_STRING(obj_tptr+20),
|
|
GET_BE_U_2(obj_tptr + 38));
|
|
obj_tlen-=40;
|
|
obj_tptr+=40;
|
|
break;
|
|
case RSVP_CTYPE_TUNNEL_IPV4:
|
|
if (obj_tlen < 8)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr),
|
|
GET_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)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
|
|
"%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr),
|
|
GET_BE_U_2(obj_tptr + 6),
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr+8),
|
|
GET_BE_U_2(obj_tptr + 12));
|
|
obj_tlen-=16;
|
|
obj_tptr+=16;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_LABEL_REQ:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
while(obj_tlen >= 4 ) {
|
|
ND_PRINT("%s L3 Protocol ID: %s",
|
|
indent,
|
|
tok2str(ethertype_values,
|
|
"Unknown Protocol (0x%04x)",
|
|
GET_BE_U_2(obj_tptr + 2)));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
}
|
|
break;
|
|
case RSVP_CTYPE_2:
|
|
if (obj_tlen < 12)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s L3 Protocol ID: %s",
|
|
indent,
|
|
tok2str(ethertype_values,
|
|
"Unknown Protocol (0x%04x)",
|
|
GET_BE_U_2(obj_tptr + 2)));
|
|
ND_PRINT(",%s merge capability",
|
|
((GET_U_1(obj_tptr + 4)) & 0x80) ? "no" : "" );
|
|
ND_PRINT("%s Minimum VPI/VCI: %u/%u",
|
|
indent,
|
|
(GET_BE_U_2(obj_tptr + 4))&0xfff,
|
|
(GET_BE_U_2(obj_tptr + 6)) & 0xfff);
|
|
ND_PRINT("%s Maximum VPI/VCI: %u/%u",
|
|
indent,
|
|
(GET_BE_U_2(obj_tptr + 8))&0xfff,
|
|
(GET_BE_U_2(obj_tptr + 10)) & 0xfff);
|
|
obj_tlen-=12;
|
|
obj_tptr+=12;
|
|
break;
|
|
case RSVP_CTYPE_3:
|
|
if (obj_tlen < 12)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s L3 Protocol ID: %s",
|
|
indent,
|
|
tok2str(ethertype_values,
|
|
"Unknown Protocol (0x%04x)",
|
|
GET_BE_U_2(obj_tptr + 2)));
|
|
ND_PRINT("%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
|
|
indent,
|
|
(GET_BE_U_4(obj_tptr + 4))&0x7fffff,
|
|
(GET_BE_U_4(obj_tptr + 8))&0x7fffff,
|
|
(((GET_BE_U_2(obj_tptr + 4)>>7)&3) == 0 ) ? "10" : "",
|
|
(((GET_BE_U_2(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : "");
|
|
obj_tlen-=12;
|
|
obj_tptr+=12;
|
|
break;
|
|
case RSVP_CTYPE_4:
|
|
if (obj_tlen < 4)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s LSP Encoding Type: %s (%u)",
|
|
indent,
|
|
tok2str(gmpls_encoding_values,
|
|
"Unknown",
|
|
GET_U_1(obj_tptr)),
|
|
GET_U_1(obj_tptr));
|
|
ND_PRINT("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
|
|
indent,
|
|
tok2str(gmpls_switch_cap_values,
|
|
"Unknown",
|
|
GET_U_1((obj_tptr + 1))),
|
|
GET_U_1(obj_tptr + 1),
|
|
tok2str(gmpls_payload_values,
|
|
"Unknown",
|
|
GET_BE_U_2(obj_tptr + 2)),
|
|
GET_BE_U_2(obj_tptr + 2));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_RRO:
|
|
case RSVP_OBJ_ERO:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_IPV4:
|
|
while(obj_tlen >= 4 ) {
|
|
u_char length;
|
|
|
|
ND_TCHECK_4(obj_tptr);
|
|
length = GET_U_1(obj_tptr + 1);
|
|
ND_PRINT("%s Subobject Type: %s, length %u",
|
|
indent,
|
|
tok2str(rsvp_obj_xro_values,
|
|
"Unknown %u",
|
|
RSVP_OBJ_XRO_MASK_SUBOBJ(GET_U_1(obj_tptr))),
|
|
length);
|
|
if (obj_tlen < length) {
|
|
ND_PRINT("%s ERROR: ERO subobject length > object length", indent);
|
|
break;
|
|
}
|
|
|
|
if (length == 0) { /* prevent infinite loops */
|
|
ND_PRINT("%s ERROR: zero length ERO subtype", indent);
|
|
break;
|
|
}
|
|
|
|
switch(RSVP_OBJ_XRO_MASK_SUBOBJ(GET_U_1(obj_tptr))) {
|
|
u_char prefix_length;
|
|
|
|
case RSVP_OBJ_XRO_IPV4:
|
|
if (length != 8) {
|
|
ND_PRINT(" ERROR: length != 8");
|
|
goto invalid;
|
|
}
|
|
ND_TCHECK_8(obj_tptr);
|
|
prefix_length = GET_U_1(obj_tptr + 6);
|
|
if (prefix_length != 32) {
|
|
ND_PRINT(" ERROR: Prefix length %u != 32",
|
|
prefix_length);
|
|
goto invalid;
|
|
}
|
|
ND_PRINT(", %s, %s/%u, Flags: [%s]",
|
|
RSVP_OBJ_XRO_MASK_LOOSE(GET_U_1(obj_tptr)) ? "Loose" : "Strict",
|
|
GET_IPADDR_STRING(obj_tptr+2),
|
|
GET_U_1((obj_tptr + 6)),
|
|
bittok2str(rsvp_obj_rro_flag_values,
|
|
"none",
|
|
GET_U_1((obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
|
|
break;
|
|
case RSVP_OBJ_XRO_LABEL:
|
|
if (length != 8) {
|
|
ND_PRINT(" ERROR: length != 8");
|
|
goto invalid;
|
|
}
|
|
ND_PRINT(", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
|
|
bittok2str(rsvp_obj_rro_label_flag_values,
|
|
"none",
|
|
GET_U_1((obj_tptr + 2))),
|
|
GET_U_1(obj_tptr + 2),
|
|
tok2str(rsvp_ctype_values,
|
|
"Unknown",
|
|
GET_U_1((obj_tptr + 3)) + (256 * RSVP_OBJ_RRO)),
|
|
GET_U_1((obj_tptr + 3)),
|
|
GET_BE_U_4(obj_tptr + 4));
|
|
}
|
|
obj_tlen-=length;
|
|
obj_tptr+=length;
|
|
}
|
|
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)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
|
|
indent,
|
|
GET_BE_U_4(obj_tptr),
|
|
GET_BE_U_4(obj_tptr + 4));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_RESTART_CAPABILITY:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
if (obj_tlen < 8)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Restart Time: %ums, Recovery Time: %ums",
|
|
indent,
|
|
GET_BE_U_4(obj_tptr),
|
|
GET_BE_U_4(obj_tptr + 4));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_CAPABILITY:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
if (obj_tlen < 4)
|
|
goto obj_tooshort;
|
|
uint32_t unused_and_flags = GET_BE_U_4(obj_tptr);
|
|
if (unused_and_flags & ~RSVP_OBJ_CAPABILITY_FLAGS_MASK)
|
|
ND_PRINT("%s [reserved=0x%08x must be zero]", indent,
|
|
unused_and_flags & ~RSVP_OBJ_CAPABILITY_FLAGS_MASK);
|
|
ND_PRINT("%s Flags: [%s]",
|
|
indent,
|
|
bittok2str(rsvp_obj_capability_flag_values,
|
|
"none",
|
|
(unused_and_flags & RSVP_OBJ_CAPABILITY_FLAGS_MASK)));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_SESSION_ATTRIBUTE:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_TUNNEL_IPV4:
|
|
if (obj_tlen < 4)
|
|
goto obj_tooshort;
|
|
namelen = GET_U_1(obj_tptr + 3);
|
|
if (obj_tlen < 4+namelen)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Session Name: ", indent);
|
|
for (i = 0; i < namelen; i++)
|
|
fn_print_char(ndo, GET_U_1(obj_tptr + 4 + i));
|
|
ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
|
|
indent,
|
|
GET_U_1(obj_tptr),
|
|
GET_U_1(obj_tptr + 1),
|
|
bittok2str(rsvp_session_attribute_flag_values,
|
|
"none",
|
|
GET_U_1((obj_tptr + 2))),
|
|
GET_U_1(obj_tptr + 2));
|
|
obj_tlen-=4+namelen;
|
|
obj_tptr+=4+namelen;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_GENERALIZED_UNI:
|
|
switch(rsvp_obj_ctype) {
|
|
u_int subobj_type,af,subobj_len,total_subobj_len;
|
|
|
|
case RSVP_CTYPE_1:
|
|
|
|
if (obj_tlen < 4)
|
|
goto obj_tooshort;
|
|
|
|
/* 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.
|
|
*/
|
|
ND_ICHECK_U(total_subobj_len, <, 4);
|
|
subobj_len = GET_BE_U_2(obj_tptr);
|
|
subobj_type = (GET_BE_U_2(obj_tptr + 2))>>8;
|
|
af = (GET_BE_U_2(obj_tptr + 2))&0x00FF;
|
|
|
|
ND_PRINT("%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.
|
|
*
|
|
* XXX - RFC 3476 Section 3.1 says "The contents of these
|
|
* sub-objects are described in [8]", where [8] is
|
|
* UNI 1.0 Signaling Specification, The Optical
|
|
* Internetworking Forum. The URL they give for that
|
|
* document is
|
|
*
|
|
* http://www.oiforum.com/public/UNI_1.0_ia.html
|
|
*
|
|
* but that doesn't work; the new URL appears to be
|
|
*
|
|
* https://web.archive.org/web/20160401194747/http://www.oiforum.com/public/documents/OIF-UNI-01.0.pdf
|
|
*
|
|
* and *that* document, in section 12.5.2.3
|
|
* "GENERALIZED_UNI Object (Class-Num=11bbbbbb (TBA))",
|
|
* says nothing about the length field in general, but
|
|
* some of the examples it gives in subsections have
|
|
* length field values that clearly includes the length
|
|
* of the sub-object header as well as the length of the
|
|
* value.
|
|
*/
|
|
if(subobj_len < 4 || subobj_len > total_subobj_len ||
|
|
obj_tlen < 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_IP:
|
|
if (subobj_len < 8)
|
|
goto subobj_tooshort;
|
|
ND_PRINT("%s UNI IPv4 TNA address: %s",
|
|
indent, GET_IPADDR_STRING(obj_tptr + 4));
|
|
break;
|
|
case AFNUM_IP6:
|
|
if (subobj_len < 20)
|
|
goto subobj_tooshort;
|
|
ND_PRINT("%s UNI IPv6 TNA address: %s",
|
|
indent, GET_IP6ADDR_STRING(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 > 4) {
|
|
/* unless we have a TLV parser lets just hexdump */
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
|
|
if (subobj_len < 16) {
|
|
goto subobj_tooshort;
|
|
}
|
|
|
|
ND_PRINT("%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
|
|
indent,
|
|
((GET_BE_U_4(obj_tptr + 4))>>31),
|
|
((GET_BE_U_4(obj_tptr + 4))&0xFF),
|
|
GET_BE_U_4(obj_tptr + 8),
|
|
GET_BE_U_4(obj_tptr + 12));
|
|
break;
|
|
|
|
case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
|
|
if (subobj_len < 8) {
|
|
goto subobj_tooshort;
|
|
}
|
|
|
|
ND_PRINT("%s Service level: %u",
|
|
indent, (GET_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;
|
|
}
|
|
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)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr),
|
|
GET_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;
|
|
case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
|
|
case RSVP_CTYPE_IPV6:
|
|
if (obj_tlen < 20)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
|
|
indent,
|
|
GET_IP6ADDR_STRING(obj_tptr),
|
|
GET_BE_U_4(obj_tptr + 16));
|
|
obj_tlen-=20;
|
|
obj_tptr+=20;
|
|
hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_TIME_VALUES:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
if (obj_tlen < 4)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Refresh Period: %ums",
|
|
indent,
|
|
GET_BE_U_4(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)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Msg-Version: %u, length: %u",
|
|
indent,
|
|
(GET_U_1(obj_tptr) & 0xf0) >> 4,
|
|
GET_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=GET_BE_U_2(obj_tptr + 2)<<2;
|
|
ND_PRINT("%s Service Type: %s (%u), break bit %sset, Service length: %u",
|
|
indent,
|
|
tok2str(rsvp_intserv_service_type_values,"unknown",GET_U_1((obj_tptr))),
|
|
GET_U_1(obj_tptr),
|
|
(GET_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(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)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Source Address: %s, Source Port: %u",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr),
|
|
GET_BE_U_2(obj_tptr + 6));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
case RSVP_CTYPE_IPV6:
|
|
if (obj_tlen < 20)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Source Address: %s, Source Port: %u",
|
|
indent,
|
|
GET_IP6ADDR_STRING(obj_tptr),
|
|
GET_BE_U_2(obj_tptr + 18));
|
|
obj_tlen-=20;
|
|
obj_tptr+=20;
|
|
break;
|
|
case RSVP_CTYPE_3:
|
|
if (obj_tlen < 20)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Source Address: %s, Flow Label: %u",
|
|
indent,
|
|
GET_IP6ADDR_STRING(obj_tptr),
|
|
GET_BE_U_3(obj_tptr + 17));
|
|
obj_tlen-=20;
|
|
obj_tptr+=20;
|
|
break;
|
|
case RSVP_CTYPE_TUNNEL_IPV6:
|
|
if (obj_tlen < 20)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Source Address: %s, LSP-ID: 0x%04x",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr),
|
|
GET_BE_U_2(obj_tptr + 18));
|
|
obj_tlen-=20;
|
|
obj_tptr+=20;
|
|
break;
|
|
case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
|
|
if (obj_tlen < 40)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
|
|
"%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
|
|
indent,
|
|
GET_IP6ADDR_STRING(obj_tptr),
|
|
GET_BE_U_2(obj_tptr + 18),
|
|
indent,
|
|
GET_IP6ADDR_STRING(obj_tptr+20),
|
|
GET_BE_U_2(obj_tptr + 38));
|
|
obj_tlen-=40;
|
|
obj_tptr+=40;
|
|
break;
|
|
case RSVP_CTYPE_TUNNEL_IPV4:
|
|
if (obj_tlen < 8)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Source Address: %s, LSP-ID: 0x%04x",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr),
|
|
GET_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)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
|
|
"%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr),
|
|
GET_BE_U_2(obj_tptr + 6),
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr+8),
|
|
GET_BE_U_2(obj_tptr + 12));
|
|
obj_tlen-=16;
|
|
obj_tptr+=16;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_FASTREROUTE:
|
|
/* the differences between c-type 1 and 7 are minor */
|
|
obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
|
|
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1: /* new style */
|
|
if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
|
|
indent,
|
|
GET_U_1(obj_ptr.rsvp_obj_frr->setup_prio),
|
|
GET_U_1(obj_ptr.rsvp_obj_frr->hold_prio),
|
|
GET_U_1(obj_ptr.rsvp_obj_frr->hop_limit),
|
|
GET_BE_F_4(obj_ptr.rsvp_obj_frr->bandwidth) * 8 / 1000000);
|
|
ND_PRINT("%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
|
|
indent,
|
|
GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_any),
|
|
GET_BE_U_4(obj_ptr.rsvp_obj_frr->exclude_any),
|
|
GET_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;
|
|
|
|
case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
|
|
if (obj_tlen < 16)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
|
|
indent,
|
|
GET_U_1(obj_ptr.rsvp_obj_frr->setup_prio),
|
|
GET_U_1(obj_ptr.rsvp_obj_frr->hold_prio),
|
|
GET_U_1(obj_ptr.rsvp_obj_frr->hop_limit),
|
|
GET_BE_F_4(obj_ptr.rsvp_obj_frr->bandwidth) * 8 / 1000000);
|
|
ND_PRINT("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
|
|
indent,
|
|
GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_any),
|
|
GET_BE_U_4(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("%s PLR-ID: %s, Avoid-Node-ID: %s",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr),
|
|
GET_IPADDR_STRING(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:
|
|
if (obj_tlen < 4)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s CT: %u",
|
|
indent,
|
|
GET_BE_U_4(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)
|
|
goto obj_tooshort;
|
|
error_code=GET_U_1(obj_tptr + 5);
|
|
error_value=GET_BE_U_2(obj_tptr + 6);
|
|
ND_PRINT("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
|
|
indent,
|
|
GET_IPADDR_STRING(obj_tptr),
|
|
GET_U_1(obj_tptr + 4),
|
|
indent,
|
|
tok2str(rsvp_obj_error_code_values,"unknown",error_code),
|
|
error_code);
|
|
switch (error_code) {
|
|
case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
|
|
ND_PRINT(", 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(", Error Value: %s (%u)",
|
|
tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
|
|
error_value);
|
|
break;
|
|
default:
|
|
ND_PRINT(", Unknown Error Value (%u)", error_value);
|
|
break;
|
|
}
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
|
|
case RSVP_CTYPE_IPV6:
|
|
if (obj_tlen < 20)
|
|
goto obj_tooshort;
|
|
error_code=GET_U_1(obj_tptr + 17);
|
|
error_value=GET_BE_U_2(obj_tptr + 18);
|
|
ND_PRINT("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
|
|
indent,
|
|
GET_IP6ADDR_STRING(obj_tptr),
|
|
GET_U_1(obj_tptr + 16),
|
|
indent,
|
|
tok2str(rsvp_obj_error_code_values,"unknown",error_code),
|
|
error_code);
|
|
|
|
switch (error_code) {
|
|
case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
|
|
ND_PRINT(", Error Value: %s (%u)",
|
|
tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
|
|
error_value);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
obj_tlen-=20;
|
|
obj_tptr+=20;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_PROPERTIES:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
if (obj_tlen < 4)
|
|
goto obj_tooshort;
|
|
padbytes = GET_BE_U_2(obj_tptr + 2);
|
|
ND_PRINT("%s TLV count: %u, padding bytes: %u",
|
|
indent,
|
|
GET_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) {
|
|
ND_PRINT("%s %s TLV (0x%02x), length: %u", /* length includes header */
|
|
indent,
|
|
tok2str(rsvp_obj_prop_tlv_values,"unknown",GET_U_1(obj_tptr)),
|
|
GET_U_1(obj_tptr),
|
|
GET_U_1(obj_tptr + 1));
|
|
if (obj_tlen < GET_U_1(obj_tptr + 1))
|
|
goto obj_tooshort;
|
|
if (GET_U_1(obj_tptr + 1) < 2) {
|
|
ND_PRINT("%sERROR: property TLV is too short", indent);
|
|
return -1;
|
|
}
|
|
print_unknown_data(ndo, obj_tptr + 2, "\n\t\t",
|
|
GET_U_1(obj_tptr + 1) - 2);
|
|
obj_tlen-=GET_U_1(obj_tptr + 1);
|
|
obj_tptr+=GET_U_1(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 < 4)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Flags [0x%02x], epoch: %u",
|
|
indent,
|
|
GET_U_1(obj_tptr),
|
|
GET_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) {
|
|
ND_PRINT("%s Message-ID 0x%08x (%u)",
|
|
indent,
|
|
GET_BE_U_4(obj_tptr),
|
|
GET_BE_U_4(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))
|
|
goto obj_tooshort;
|
|
obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
|
|
ND_PRINT("%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
|
|
indent,
|
|
GET_BE_U_2(obj_ptr.rsvp_obj_integrity->key_id),
|
|
GET_BE_U_4(obj_ptr.rsvp_obj_integrity->key_id + 2),
|
|
GET_BE_U_4(obj_ptr.rsvp_obj_integrity->sequence),
|
|
GET_BE_U_4(obj_ptr.rsvp_obj_integrity->sequence + 4),
|
|
bittok2str(rsvp_obj_integrity_flag_values,
|
|
"none",
|
|
GET_U_1(obj_ptr.rsvp_obj_integrity->flags)));
|
|
ND_PRINT("%s MD5-sum 0x%08x%08x%08x%08x ",
|
|
indent,
|
|
GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest),
|
|
GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 4),
|
|
GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 8),
|
|
GET_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(" (%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)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Flags [%s]", indent,
|
|
bittok2str(rsvp_obj_admin_status_flag_values, "none",
|
|
GET_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)
|
|
goto obj_tooshort;
|
|
action = (GET_BE_U_2(obj_tptr)>>8);
|
|
|
|
ND_PRINT("%s Action: %s (%u), Label type: %u", indent,
|
|
tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
|
|
action, (GET_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)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Start range: %u, End range: %u", indent,
|
|
GET_BE_U_4(obj_tptr + 4),
|
|
GET_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("%s Subchannel #%u: %u", indent, subchannel,
|
|
GET_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)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Sub-LSP destination address: %s",
|
|
indent, GET_IPADDR_STRING(obj_tptr));
|
|
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
break;
|
|
case RSVP_CTYPE_IPV6:
|
|
if (obj_tlen < 16)
|
|
goto obj_tooshort;
|
|
ND_PRINT("%s Sub-LSP destination address: %s",
|
|
indent, GET_IP6ADDR_STRING(obj_tptr));
|
|
|
|
obj_tlen-=16;
|
|
obj_tptr+=16;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
/*
|
|
* FIXME those are the defined objects that lack a decoder
|
|
* you are welcome to contribute code ;-)
|
|
*/
|
|
|
|
case RSVP_OBJ_SCOPE:
|
|
case RSVP_OBJ_POLICY_DATA:
|
|
case RSVP_OBJ_ACCEPT_LABEL_SET:
|
|
case RSVP_OBJ_PROTECTION:
|
|
default:
|
|
if (ndo->ndo_vflag <= 1)
|
|
print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
|
|
break;
|
|
}
|
|
/* do we also want to see a hex dump ? */
|
|
if (ndo->ndo_vflag > 1 || hexdump == TRUE)
|
|
print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
|
|
rsvp_obj_len - sizeof(struct rsvp_object_header));
|
|
|
|
tptr+=rsvp_obj_len;
|
|
tlen-=rsvp_obj_len;
|
|
}
|
|
return 0;
|
|
subobj_tooshort:
|
|
ND_PRINT("%sERROR: sub-object is too short", indent);
|
|
return -1;
|
|
obj_tooshort:
|
|
ND_PRINT("%sERROR: object is too short", indent);
|
|
return -1;
|
|
invalid:
|
|
nd_print_invalid(ndo);
|
|
return -1;
|
|
}
|
|
|
|
void
|
|
rsvp_print(netdissect_options *ndo,
|
|
const u_char *pptr, u_int len)
|
|
{
|
|
const struct rsvp_common_header *rsvp_com_header;
|
|
uint8_t version_flags, msg_type;
|
|
const u_char *tptr;
|
|
u_short plen, tlen;
|
|
|
|
ndo->ndo_protocol = "rsvp";
|
|
tptr=pptr;
|
|
|
|
rsvp_com_header = (const struct rsvp_common_header *)pptr;
|
|
ND_TCHECK_SIZE(rsvp_com_header);
|
|
version_flags = GET_U_1(rsvp_com_header->version_flags);
|
|
|
|
/*
|
|
* Sanity checking of the header.
|
|
*/
|
|
if (RSVP_EXTRACT_VERSION(version_flags) != RSVP_VERSION) {
|
|
ND_PRINT("ERROR: RSVP version %u packet not supported",
|
|
RSVP_EXTRACT_VERSION(version_flags));
|
|
return;
|
|
}
|
|
|
|
msg_type = GET_U_1(rsvp_com_header->msg_type);
|
|
|
|
/* in non-verbose mode just lets print the basic Message Type*/
|
|
if (ndo->ndo_vflag < 1) {
|
|
ND_PRINT("RSVPv%u %s Message, length: %u",
|
|
RSVP_EXTRACT_VERSION(version_flags),
|
|
tok2str(rsvp_msg_type_values, "unknown (%u)",msg_type),
|
|
len);
|
|
return;
|
|
}
|
|
|
|
/* ok they seem to want to know everything - lets fully decode it */
|
|
|
|
plen = tlen = GET_BE_U_2(rsvp_com_header->length);
|
|
|
|
ND_PRINT("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
|
|
RSVP_EXTRACT_VERSION(version_flags),
|
|
tok2str(rsvp_msg_type_values, "unknown, type: %u",msg_type),
|
|
msg_type,
|
|
bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(version_flags)),
|
|
tlen,
|
|
GET_U_1(rsvp_com_header->ttl),
|
|
GET_BE_U_2(rsvp_com_header->checksum));
|
|
|
|
if (tlen < sizeof(struct rsvp_common_header)) {
|
|
ND_PRINT("ERROR: common header too short %u < %zu", tlen,
|
|
sizeof(struct rsvp_common_header));
|
|
return;
|
|
}
|
|
|
|
tptr+=sizeof(struct rsvp_common_header);
|
|
tlen-=sizeof(struct rsvp_common_header);
|
|
|
|
switch(msg_type) {
|
|
|
|
case RSVP_MSGTYPE_BUNDLE:
|
|
/*
|
|
* Process each submessage in the bundle message.
|
|
* Bundle messages may not contain bundle submessages, so we don't
|
|
* need to handle bundle submessages specially.
|
|
*/
|
|
while(tlen != 0) {
|
|
const u_char *subpptr=tptr, *subtptr;
|
|
u_short subplen, subtlen;
|
|
|
|
subtptr=subpptr;
|
|
|
|
rsvp_com_header = (const struct rsvp_common_header *)subpptr;
|
|
ND_TCHECK_SIZE(rsvp_com_header);
|
|
version_flags = GET_U_1(rsvp_com_header->version_flags);
|
|
|
|
/*
|
|
* Sanity checking of the header.
|
|
*/
|
|
if (RSVP_EXTRACT_VERSION(version_flags) != RSVP_VERSION) {
|
|
ND_PRINT("ERROR: RSVP version %u packet not supported",
|
|
RSVP_EXTRACT_VERSION(version_flags));
|
|
return;
|
|
}
|
|
|
|
subplen = subtlen = GET_BE_U_2(rsvp_com_header->length);
|
|
|
|
msg_type = GET_U_1(rsvp_com_header->msg_type);
|
|
ND_PRINT("\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
|
|
RSVP_EXTRACT_VERSION(version_flags),
|
|
tok2str(rsvp_msg_type_values, "unknown, type: %u",msg_type),
|
|
msg_type,
|
|
bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(version_flags)),
|
|
subtlen,
|
|
GET_U_1(rsvp_com_header->ttl),
|
|
GET_BE_U_2(rsvp_com_header->checksum));
|
|
|
|
if (subtlen < sizeof(struct rsvp_common_header)) {
|
|
ND_PRINT("ERROR: common header too short %u < %zu", subtlen,
|
|
sizeof(struct rsvp_common_header));
|
|
return;
|
|
}
|
|
|
|
if (tlen < subtlen) {
|
|
ND_PRINT("ERROR: common header too large %u > %u", subtlen,
|
|
tlen);
|
|
return;
|
|
}
|
|
|
|
subtptr+=sizeof(struct rsvp_common_header);
|
|
subtlen-=sizeof(struct rsvp_common_header);
|
|
|
|
/*
|
|
* Print all objects in the submessage.
|
|
*/
|
|
if (rsvp_obj_print(ndo, subpptr, subplen, subtptr, "\n\t ", subtlen, rsvp_com_header) == -1)
|
|
return;
|
|
|
|
tptr+=subtlen+sizeof(struct rsvp_common_header);
|
|
tlen-=subtlen+sizeof(struct rsvp_common_header);
|
|
}
|
|
|
|
break;
|
|
|
|
case RSVP_MSGTYPE_PATH:
|
|
case RSVP_MSGTYPE_RESV:
|
|
case RSVP_MSGTYPE_PATHERR:
|
|
case RSVP_MSGTYPE_RESVERR:
|
|
case RSVP_MSGTYPE_PATHTEAR:
|
|
case RSVP_MSGTYPE_RESVTEAR:
|
|
case RSVP_MSGTYPE_RESVCONF:
|
|
case RSVP_MSGTYPE_HELLO_OLD:
|
|
case RSVP_MSGTYPE_HELLO:
|
|
case RSVP_MSGTYPE_ACK:
|
|
case RSVP_MSGTYPE_SREFRESH:
|
|
/*
|
|
* Print all objects in the message.
|
|
*/
|
|
if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen, rsvp_com_header) == -1)
|
|
return;
|
|
break;
|
|
|
|
default:
|
|
print_unknown_data(ndo, tptr, "\n\t ", tlen);
|
|
break;
|
|
}
|
|
}
|