1478 lines
56 KiB
C
1478 lines
56 KiB
C
/*
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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@juniper.net)
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*/
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#ifndef lint
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static const char rcsid[] _U_ =
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"@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.33.2.3 2005/06/16 00:50:12 guy Exp $";
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <tcpdump-stdinc.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "interface.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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/*
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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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u_int8_t version_flags;
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u_int8_t msg_type;
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u_int8_t checksum[2];
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u_int8_t ttl;
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u_int8_t reserved;
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u_int8_t length[2];
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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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u_int8_t length[2];
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u_int8_t class_num;
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u_int8_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_AGGREGATE 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_AGGREGATE, "Aggregate" },
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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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#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
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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
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#define RSVP_OBJ_MESSAGE_ID_ACK 24
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#define RSVP_OBJ_MESSAGE_ID_LIST 25
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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_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */
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#define RSVP_OBJ_CLASSTYPE 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_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 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */
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#define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
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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_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_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_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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{ 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_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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/*
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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_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_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_MESSAGE_ID+RSVP_CTYPE_1, "1" },
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{ 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "1" },
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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_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
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{ 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
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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_CLASSTYPE+RSVP_CTYPE_1, "1" },
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{ 0, NULL}
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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_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_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_ASN, "Autonomous system number" },
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{ RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
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{ 0, NULL}
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};
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/* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
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static const struct tok rsvp_obj_rro_flag_values[] = {
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{ 0x01, "Local protection available" },
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{ 0x02, "Local protection in use" },
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{ 0x04, "Bandwidth protection" },
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{ 0x08, "Node protection" },
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{ 0, NULL}
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};
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static const struct tok rsvp_resstyle_values[] = {
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{ 17, "Wildcard Filter" },
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{ 10, "Fixed Filter" },
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{ 18, "Shared Explicit" },
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{ 0, NULL}
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};
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#define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
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#define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
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static const struct tok rsvp_intserv_service_type_values[] = {
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{ 1, "Default/Global Information" },
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{ RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
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{ RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
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{ 0, NULL}
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};
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static const struct tok rsvp_intserv_parameter_id_values[] = {
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{ 4, "IS hop cnt" },
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{ 6, "Path b/w estimate" },
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{ 8, "Minimum path latency" },
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{ 10, "Composed MTU" },
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{ 127, "Token Bucket TSpec" },
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{ 130, "Guaranteed Service RSpec" },
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{ 133, "End-to-end composed value for C" },
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{ 134, "End-to-end composed value for D" },
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{ 135, "Since-last-reshaping point composed C" },
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{ 136, "Since-last-reshaping point composed D" },
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{ 0, NULL}
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};
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static struct tok rsvp_session_attribute_flag_values[] = {
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{ 0x01, "Local Protection desired" },
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{ 0x02, "Label Recording desired" },
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{ 0x04, "SE Style desired" },
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{ 0x08, "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
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{ 0x10, "Node protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
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{ 0, NULL}
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};
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static struct tok rsvp_obj_prop_tlv_values[] = {
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{ 0x01, "Cos" },
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{ 0x02, "Metric 1" },
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{ 0x04, "Metric 2" },
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{ 0x08, "CCC Status" },
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{ 0x10, "Path Type" },
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{ 0, NULL}
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};
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#define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
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#define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
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#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 125
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static struct tok rsvp_obj_error_code_values[] = {
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{ RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
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{ RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
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{ RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
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{ 0, NULL}
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};
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static struct tok rsvp_obj_error_code_routing_values[] = {
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{ 1, "Bad EXPLICIT_ROUTE object" },
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{ 2, "Bad strict node" },
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{ 3, "Bad loose node" },
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{ 4, "Bad initial subobject" },
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{ 5, "No route available toward destination" },
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{ 6, "Unacceptable label value" },
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{ 7, "RRO indicated routing loops" },
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{ 8, "non-RSVP-capable router in the path" },
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{ 9, "MPLS label allocation failure" },
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{ 10, "Unsupported L3PID" },
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{ 0, NULL}
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};
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static struct tok rsvp_obj_error_code_diffserv_te_values[] = {
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{ 1, "Unexpected CLASSTYPE object" },
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{ 2, "Unsupported Class-Type" },
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{ 3, "Invalid Class-Type value" },
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{ 4, "Class-Type and setup priority do not form a configured TE-Class" },
|
|
{ 5, "Class-Type and holding priority do not form a configured TE-Class" },
|
|
{ 6, "Inconsistency between signaled PSC and signaled Class-Type" },
|
|
{ 7, "Inconsistency between signaled PHBs and signaled Class-Type" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
#define FALSE 0
|
|
#define TRUE 1
|
|
|
|
|
|
static int rsvp_intserv_print(const u_char *, u_short);
|
|
|
|
/*
|
|
* 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) {
|
|
|
|
int parameter_id,parameter_length;
|
|
union {
|
|
float f;
|
|
u_int32_t i;
|
|
} bw;
|
|
|
|
if (obj_tlen < 4)
|
|
return 0;
|
|
parameter_id = *(tptr);
|
|
parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
|
|
|
|
printf("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
|
|
tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
|
|
parameter_id,
|
|
parameter_length,
|
|
*(tptr+1));
|
|
|
|
if (obj_tlen < parameter_length+4)
|
|
return 0;
|
|
switch(parameter_id) { /* parameter_id */
|
|
|
|
case 4:
|
|
/*
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | 4 (e) | (f) | 1 (g) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | IS hop cnt (32-bit unsigned integer) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
*/
|
|
if (parameter_length == 4)
|
|
printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4));
|
|
break;
|
|
|
|
case 6:
|
|
/*
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | 6 (h) | (i) | 1 (j) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Path b/w estimate (32-bit IEEE floating point number) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
*/
|
|
if (parameter_length == 4) {
|
|
bw.i = EXTRACT_32BITS(tptr+4);
|
|
printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
|
|
}
|
|
break;
|
|
|
|
case 8:
|
|
/*
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | 8 (k) | (l) | 1 (m) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Minimum path latency (32-bit integer) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
*/
|
|
if (parameter_length == 4) {
|
|
printf("\n\t\tMinimum path latency: ");
|
|
if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
|
|
printf("don't care");
|
|
else
|
|
printf("%u", EXTRACT_32BITS(tptr+4));
|
|
}
|
|
break;
|
|
|
|
case 10:
|
|
|
|
/*
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | 10 (n) | (o) | 1 (p) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Composed MTU (32-bit unsigned integer) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
*/
|
|
if (parameter_length == 4)
|
|
printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
|
|
break;
|
|
case 127:
|
|
/*
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | 127 (e) | 0 (f) | 5 (g) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Token Bucket Rate [r] (32-bit IEEE floating point number) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Token Bucket Size [b] (32-bit IEEE floating point number) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Peak Data Rate [p] (32-bit IEEE floating point number) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Minimum Policed Unit [m] (32-bit integer) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Maximum Packet Size [M] (32-bit integer) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
*/
|
|
|
|
if (parameter_length == 20) {
|
|
bw.i = EXTRACT_32BITS(tptr+4);
|
|
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));
|
|
}
|
|
break;
|
|
|
|
case 130:
|
|
/*
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | 130 (h) | 0 (i) | 2 (j) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Rate [R] (32-bit IEEE floating point number) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Slack Term [S] (32-bit integer) |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
*/
|
|
|
|
if (parameter_length == 8) {
|
|
bw.i = EXTRACT_32BITS(tptr+4);
|
|
printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
|
|
printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
|
|
}
|
|
break;
|
|
|
|
case 133:
|
|
case 134:
|
|
case 135:
|
|
case 136:
|
|
if (parameter_length == 4)
|
|
printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
|
|
break;
|
|
|
|
default:
|
|
if (vflag <= 1)
|
|
print_unknown_data(tptr+4,"\n\t\t",parameter_length);
|
|
}
|
|
return (parameter_length+4); /* header length 4 bytes */
|
|
}
|
|
|
|
static int
|
|
rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) {
|
|
|
|
const struct rsvp_object_header *rsvp_obj_header;
|
|
const u_char *obj_tptr;
|
|
u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
|
|
int hexdump,processed,padbytes,error_code,error_value,i;
|
|
union {
|
|
float f;
|
|
u_int32_t i;
|
|
} bw;
|
|
u_int8_t namelen;
|
|
|
|
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;
|
|
|
|
rsvp_obj_header = (const struct rsvp_object_header *)tptr;
|
|
rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
|
|
rsvp_obj_ctype=rsvp_obj_header->ctype;
|
|
|
|
if(rsvp_obj_len % 4) {
|
|
printf("%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len);
|
|
return -1;
|
|
}
|
|
if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
|
|
printf("%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
|
|
(unsigned long)sizeof(const struct rsvp_object_header));
|
|
return -1;
|
|
}
|
|
|
|
printf("%s%s Object (%u) Flags: [%s",
|
|
ident,
|
|
tok2str(rsvp_obj_values,
|
|
"Unknown",
|
|
rsvp_obj_header->class_num),
|
|
rsvp_obj_header->class_num,
|
|
((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
|
|
|
|
if (rsvp_obj_header->class_num > 128)
|
|
printf(" %s",
|
|
((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
|
|
|
|
printf(" if unknown], Class-Type: %s (%u), length: %u",
|
|
tok2str(rsvp_ctype_values,
|
|
"Unknown",
|
|
((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
|
|
rsvp_obj_ctype,
|
|
rsvp_obj_len);
|
|
|
|
if(tlen < rsvp_obj_len) {
|
|
printf("%sERROR: object goes past end of objects TLV", ident);
|
|
return -1;
|
|
}
|
|
|
|
obj_tptr=tptr+sizeof(struct rsvp_object_header);
|
|
obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
|
|
|
|
/* did we capture enough for fully decoding the object ? */
|
|
if (!TTEST2(*tptr, rsvp_obj_len))
|
|
return -1;
|
|
hexdump=FALSE;
|
|
|
|
switch(rsvp_obj_header->class_num) {
|
|
case RSVP_OBJ_SESSION:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_IPV4:
|
|
if (obj_tlen < 8)
|
|
return -1;
|
|
printf("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
|
|
ident,
|
|
ipaddr_string(obj_tptr),
|
|
*(obj_tptr+4));
|
|
printf("%s Flags: [0x%02x], DestPort %u",
|
|
ident,
|
|
*(obj_tptr+5),
|
|
EXTRACT_16BITS(obj_tptr+6));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
#ifdef INET6
|
|
case RSVP_CTYPE_IPV6:
|
|
if (obj_tlen < 20)
|
|
return -1;
|
|
printf("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
|
|
ident,
|
|
ip6addr_string(obj_tptr),
|
|
*(obj_tptr+16));
|
|
printf("%s Flags: [0x%02x], DestPort %u",
|
|
ident,
|
|
*(obj_tptr+17),
|
|
EXTRACT_16BITS(obj_tptr+18));
|
|
obj_tlen-=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));
|
|
obj_tlen-=36;
|
|
obj_tptr+=36;
|
|
break;
|
|
#endif
|
|
case RSVP_CTYPE_TUNNEL_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));
|
|
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 < 4)
|
|
return -1;
|
|
printf("%s IPv4 Receiver Address: %s",
|
|
ident,
|
|
ipaddr_string(obj_tptr));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
break;
|
|
#ifdef INET6
|
|
case RSVP_CTYPE_IPV6:
|
|
if (obj_tlen < 16)
|
|
return -1;
|
|
printf("%s IPv6 Receiver Address: %s",
|
|
ident,
|
|
ip6addr_string(obj_tptr));
|
|
obj_tlen-=16;
|
|
obj_tptr+=16;
|
|
break;
|
|
#endif
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_NOTIFY_REQ:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_IPV4:
|
|
if (obj_tlen < 4)
|
|
return -1;
|
|
printf("%s IPv4 Notify Node Address: %s",
|
|
ident,
|
|
ipaddr_string(obj_tptr));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
break;
|
|
#ifdef INET6
|
|
case RSVP_CTYPE_IPV6:
|
|
if (obj_tlen < 16)
|
|
return-1;
|
|
printf("%s IPv6 Notify Node Address: %s",
|
|
ident,
|
|
ip6addr_string(obj_tptr));
|
|
obj_tlen-=16;
|
|
obj_tptr+=16;
|
|
break;
|
|
#endif
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
|
|
case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
|
|
case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
|
|
case RSVP_OBJ_LABEL:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
while(obj_tlen >= 4 ) {
|
|
printf("%s Label: %u", ident, EXTRACT_32BITS(obj_tptr));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
}
|
|
break;
|
|
case RSVP_CTYPE_2:
|
|
if (obj_tlen < 4)
|
|
return-1;
|
|
printf("%s Generalized Label: %u",
|
|
ident,
|
|
EXTRACT_32BITS(obj_tptr));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
break;
|
|
case RSVP_CTYPE_3:
|
|
if (obj_tlen < 12)
|
|
return-1;
|
|
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));
|
|
obj_tlen-=12;
|
|
obj_tptr+=12;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_STYLE:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
if (obj_tlen < 4)
|
|
return-1;
|
|
printf("%s Reservation Style: %s, Flags: [0x%02x]",
|
|
ident,
|
|
tok2str(rsvp_resstyle_values,
|
|
"Unknown",
|
|
EXTRACT_24BITS(obj_tptr+1)),
|
|
*(obj_tptr));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_SENDER_TEMPLATE:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_IPV4:
|
|
if (obj_tlen < 8)
|
|
return-1;
|
|
printf("%s Source Address: %s, Source Port: %u",
|
|
ident,
|
|
ipaddr_string(obj_tptr),
|
|
EXTRACT_16BITS(obj_tptr+6));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
#ifdef INET6
|
|
case RSVP_CTYPE_IPV6:
|
|
if (obj_tlen < 20)
|
|
return-1;
|
|
printf("%s Source Address: %s, Source Port: %u",
|
|
ident,
|
|
ip6addr_string(obj_tptr),
|
|
EXTRACT_16BITS(obj_tptr+18));
|
|
obj_tlen-=20;
|
|
obj_tptr+=20;
|
|
break;
|
|
#endif
|
|
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));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_LABEL_REQ:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
while(obj_tlen >= 4 ) {
|
|
printf("%s L3 Protocol ID: %s",
|
|
ident,
|
|
tok2str(ethertype_values,
|
|
"Unknown Protocol (0x%04x)",
|
|
EXTRACT_16BITS(obj_tptr+2)));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
}
|
|
break;
|
|
case RSVP_CTYPE_2:
|
|
if (obj_tlen < 12)
|
|
return-1;
|
|
printf("%s L3 Protocol ID: %s",
|
|
ident,
|
|
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);
|
|
obj_tlen-=12;
|
|
obj_tptr+=12;
|
|
break;
|
|
case RSVP_CTYPE_3:
|
|
if (obj_tlen < 12)
|
|
return-1;
|
|
printf("%s L3 Protocol ID: %s",
|
|
ident,
|
|
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" : "");
|
|
obj_tlen-=12;
|
|
obj_tptr+=12;
|
|
break;
|
|
case RSVP_CTYPE_4:
|
|
if (obj_tlen < 8)
|
|
return-1;
|
|
printf("%s LSP Encoding Type: %s (%u)",
|
|
ident,
|
|
tok2str(gmpls_encoding_values,
|
|
"Unknown",
|
|
*obj_tptr),
|
|
*obj_tptr);
|
|
printf("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
|
|
ident,
|
|
tok2str(gmpls_switch_cap_values,
|
|
"Unknown",
|
|
*(obj_tptr+1)),
|
|
*(obj_tptr+1),
|
|
tok2str(gmpls_payload_values,
|
|
"Unknown",
|
|
EXTRACT_16BITS(obj_tptr+2)),
|
|
EXTRACT_16BITS(obj_tptr+2));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_RRO:
|
|
case RSVP_OBJ_ERO:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_IPV4:
|
|
while(obj_tlen >= 4 ) {
|
|
printf("%s Subobject Type: %s, length %u",
|
|
ident,
|
|
tok2str(rsvp_obj_xro_values,
|
|
"Unknown %u",
|
|
RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
|
|
*(obj_tptr+1));
|
|
|
|
if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
|
|
printf("%s ERROR: zero length ERO subtype",ident);
|
|
break;
|
|
}
|
|
|
|
switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
|
|
case RSVP_OBJ_XRO_IPV4:
|
|
printf(", %s, %s/%u, Flags: [%s]",
|
|
RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
|
|
ipaddr_string(obj_tptr+2),
|
|
*(obj_tptr+6),
|
|
bittok2str(rsvp_obj_rro_flag_values,
|
|
"none",
|
|
*(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
|
|
}
|
|
obj_tlen-=*(obj_tptr+1);
|
|
obj_tptr+=*(obj_tptr+1);
|
|
}
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_HELLO:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
case RSVP_CTYPE_2:
|
|
if (obj_tlen < 8)
|
|
return-1;
|
|
printf("%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
|
|
ident,
|
|
EXTRACT_32BITS(obj_tptr),
|
|
EXTRACT_32BITS(obj_tptr+4));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_RESTART_CAPABILITY:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
if (obj_tlen < 8)
|
|
return-1;
|
|
printf("%s Restart Time: %ums, Recovery Time: %ums",
|
|
ident,
|
|
EXTRACT_32BITS(obj_tptr),
|
|
EXTRACT_32BITS(obj_tptr+4));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_SESSION_ATTRIBUTE:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_TUNNEL_IPV4:
|
|
if (obj_tlen < 4)
|
|
return-1;
|
|
namelen = *(obj_tptr+3);
|
|
if (obj_tlen < 4+namelen)
|
|
return-1;
|
|
printf("%s Session Name: ", ident);
|
|
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,
|
|
"none",
|
|
*(obj_tptr+2)));
|
|
|
|
obj_tlen-=4+*(obj_tptr+3);
|
|
obj_tptr+=4+*(obj_tptr+3);
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_RSVP_HOP:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
|
|
case RSVP_CTYPE_IPV4:
|
|
if (obj_tlen < 8)
|
|
return-1;
|
|
printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
|
|
ident,
|
|
ipaddr_string(obj_tptr),
|
|
EXTRACT_32BITS(obj_tptr+4));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
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));
|
|
obj_tlen-=20;
|
|
obj_tptr+=20;
|
|
hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
|
|
break;
|
|
#endif
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_TIME_VALUES:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
if (obj_tlen < 4)
|
|
return-1;
|
|
printf("%s Refresh Period: %ums",
|
|
ident,
|
|
EXTRACT_32BITS(obj_tptr));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
/* those three objects do share the same semantics */
|
|
case RSVP_OBJ_SENDER_TSPEC:
|
|
case RSVP_OBJ_ADSPEC:
|
|
case RSVP_OBJ_FLOWSPEC:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_2:
|
|
if (obj_tlen < 4)
|
|
return-1;
|
|
printf("%s Msg-Version: %u, length: %u",
|
|
ident,
|
|
(*obj_tptr & 0xf0) >> 4,
|
|
EXTRACT_16BITS(obj_tptr+2)<<2);
|
|
obj_tptr+=4; /* get to the start of the service header */
|
|
obj_tlen-=4;
|
|
|
|
while (obj_tlen >= 4) {
|
|
intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
|
|
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);
|
|
|
|
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);
|
|
if (processed == 0)
|
|
break;
|
|
obj_tlen-=processed;
|
|
intserv_serv_tlen-=processed;
|
|
obj_tptr+=processed;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_FILTERSPEC:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_IPV4:
|
|
if (obj_tlen < 8)
|
|
return-1;
|
|
printf("%s Source Address: %s, Source Port: %u",
|
|
ident,
|
|
ipaddr_string(obj_tptr),
|
|
EXTRACT_16BITS(obj_tptr+6));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
#ifdef INET6
|
|
case RSVP_CTYPE_IPV6:
|
|
if (obj_tlen < 20)
|
|
return-1;
|
|
printf("%s Source Address: %s, Source Port: %u",
|
|
ident,
|
|
ip6addr_string(obj_tptr),
|
|
EXTRACT_16BITS(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));
|
|
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));
|
|
obj_tlen-=20;
|
|
obj_tptr+=20;
|
|
break;
|
|
#endif
|
|
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));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_FASTREROUTE:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_TUNNEL_IPV4:
|
|
if (obj_tlen < 16)
|
|
return-1;
|
|
bw.i = EXTRACT_32BITS(obj_tptr+4);
|
|
printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
|
|
ident,
|
|
(int)*obj_tptr,
|
|
(int)*(obj_tptr+1),
|
|
(int)*(obj_tptr+2),
|
|
bw.f*8/1000000);
|
|
printf("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
|
|
ident,
|
|
EXTRACT_32BITS(obj_tptr+8),
|
|
EXTRACT_32BITS(obj_tptr+12));
|
|
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) {
|
|
printf("%s PLR-ID: %s, Avoid-Node-ID: %s",
|
|
ident,
|
|
ipaddr_string(obj_tptr),
|
|
ipaddr_string(obj_tptr+4));
|
|
obj_tlen-=8;
|
|
obj_tptr+=8;
|
|
}
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_CLASSTYPE:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
printf("%s Class Type: %u",
|
|
ident,
|
|
EXTRACT_32BITS(obj_tptr)&0x7);
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_ERROR_SPEC:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
|
|
case RSVP_CTYPE_IPV4:
|
|
if (obj_tlen < 8)
|
|
return-1;
|
|
error_code=*(obj_tptr+5);
|
|
error_value=EXTRACT_16BITS(obj_tptr+6);
|
|
printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
|
|
ident,
|
|
ipaddr_string(obj_tptr),
|
|
*(obj_tptr+4),
|
|
ident,
|
|
tok2str(rsvp_obj_error_code_values,"unknown",error_code),
|
|
error_code);
|
|
switch (error_code) {
|
|
case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
|
|
printf(", 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:
|
|
printf(", Error Value: %s (%u)",
|
|
tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
|
|
error_value);
|
|
break;
|
|
default:
|
|
printf(", 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,
|
|
tok2str(rsvp_obj_error_code_values,"unknown",error_code),
|
|
error_code);
|
|
|
|
switch (error_code) {
|
|
case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
|
|
printf(", Error Value: %s (%u)",
|
|
tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
|
|
error_value);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
obj_tlen-=20;
|
|
obj_tptr+=20;
|
|
break;
|
|
#endif
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case RSVP_OBJ_PROPERTIES:
|
|
switch(rsvp_obj_ctype) {
|
|
case RSVP_CTYPE_1:
|
|
if (obj_tlen < 4)
|
|
return-1;
|
|
padbytes = EXTRACT_16BITS(obj_tptr+2);
|
|
printf("%s TLV count: %u, padding bytes: %u",
|
|
ident,
|
|
EXTRACT_16BITS(obj_tptr),
|
|
padbytes);
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
/* loop through as long there is anything longer than the TLV header (2) */
|
|
while(obj_tlen >= 2 + padbytes) {
|
|
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))
|
|
return-1;
|
|
if (*(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);
|
|
}
|
|
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:
|
|
if (obj_tlen < 8)
|
|
return-1;
|
|
printf("%s Flags [0x%02x], epoch: %u",
|
|
ident,
|
|
*obj_tptr,
|
|
EXTRACT_24BITS(obj_tptr+1));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
/* loop through as long there are no messages left */
|
|
while(obj_tlen >= 4) {
|
|
printf("%s Message-ID 0x%08x (%u)",
|
|
ident,
|
|
EXTRACT_32BITS(obj_tptr),
|
|
EXTRACT_32BITS(obj_tptr));
|
|
obj_tlen-=4;
|
|
obj_tptr+=4;
|
|
}
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
/*
|
|
* FIXME those are the defined objects that lack a decoder
|
|
* you are welcome to contribute code ;-)
|
|
*/
|
|
|
|
case RSVP_OBJ_INTEGRITY:
|
|
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 */
|
|
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));
|
|
|
|
tptr+=rsvp_obj_len;
|
|
tlen-=rsvp_obj_len;
|
|
}
|
|
return 0;
|
|
trunc:
|
|
printf("\n\t\t packet exceeded snapshot");
|
|
return -1;
|
|
}
|
|
|
|
|
|
void
|
|
rsvp_print(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;
|
|
|
|
tptr=pptr;
|
|
|
|
rsvp_com_header = (const struct rsvp_common_header *)pptr;
|
|
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));
|
|
return;
|
|
}
|
|
|
|
/* in non-verbose mode just lets print the basic Message Type*/
|
|
if (vflag < 1) {
|
|
printf("RSVPv%u %s Message, length: %u",
|
|
RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
|
|
tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
|
|
len);
|
|
return;
|
|
}
|
|
|
|
/* ok they seem to want to know everything - lets fully decode it */
|
|
|
|
tlen=EXTRACT_16BITS(rsvp_com_header->length);
|
|
|
|
printf("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
|
|
RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
|
|
tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
|
|
rsvp_com_header->msg_type,
|
|
bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
|
|
tlen,
|
|
rsvp_com_header->ttl,
|
|
EXTRACT_16BITS(rsvp_com_header->checksum));
|
|
|
|
if (tlen < sizeof(const struct rsvp_common_header)) {
|
|
printf("ERROR: common header too short %u < %lu", tlen,
|
|
(unsigned long)sizeof(const struct rsvp_common_header));
|
|
return;
|
|
}
|
|
|
|
tptr+=sizeof(const struct rsvp_common_header);
|
|
tlen-=sizeof(const struct rsvp_common_header);
|
|
|
|
switch(rsvp_com_header->msg_type) {
|
|
|
|
case RSVP_MSGTYPE_AGGREGATE:
|
|
while(tlen > 0) {
|
|
subtptr=tptr;
|
|
rsvp_com_header = (const struct rsvp_common_header *)subtptr;
|
|
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));
|
|
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",
|
|
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));
|
|
return;
|
|
}
|
|
|
|
if (tlen < subtlen) {
|
|
printf("ERROR: common header too large %u > %u", subtlen,
|
|
tlen);
|
|
return;
|
|
}
|
|
|
|
subtptr+=sizeof(const struct rsvp_common_header);
|
|
subtlen-=sizeof(const struct rsvp_common_header);
|
|
|
|
if (rsvp_obj_print(subtptr,"\n\t ", subtlen) == -1)
|
|
return;
|
|
|
|
tptr+=subtlen+sizeof(const struct rsvp_common_header);
|
|
tlen-=subtlen+sizeof(const struct rsvp_common_header);
|
|
}
|
|
|
|
break;
|
|
|
|
case RSVP_MSGTYPE_PATH:
|
|
case RSVP_MSGTYPE_RESV:
|
|
case RSVP_MSGTYPE_PATHERR:
|
|
case RSVP_MSGTYPE_RESVERR:
|
|
case RSVP_MSGTYPE_PATHTEAR:
|
|
case RSVP_MSGTYPE_RESVTEAR:
|
|
case RSVP_MSGTYPE_RESVCONF:
|
|
case RSVP_MSGTYPE_HELLO_OLD:
|
|
case RSVP_MSGTYPE_HELLO:
|
|
case RSVP_MSGTYPE_ACK:
|
|
case RSVP_MSGTYPE_SREFRESH:
|
|
if (rsvp_obj_print(tptr,"\n\t ", tlen) == -1)
|
|
return;
|
|
break;
|
|
|
|
default:
|
|
print_unknown_data(tptr,"\n\t ",tlen);
|
|
break;
|
|
}
|
|
|
|
return;
|
|
trunc:
|
|
printf("\n\t\t packet exceeded snapshot");
|
|
}
|