5723b50a7d
draft, and to register all protocol fields. svn path=/trunk/; revision=4642
1883 lines
84 KiB
C
1883 lines
84 KiB
C
/* packet-m3ua.c
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* Routines for MTP3 User Adaptation Layer dissection
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* It is hopefully (needs testing) compilant to
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* http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m3ua-06.txt
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* http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m3ua-10.txt
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* To do: - clean up the code
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* - provide better handling of length parameters
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* - provide good information in summary window
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*
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* Copyright 2000, 2001, 2002, Michael Tuexen <Michael.Tuexen@icn.siemens.de>
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*
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* $Id: packet-m3ua.c,v 1.13 2002/01/31 00:47:40 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* Copied from README.developer
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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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 <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#include <string.h>
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#include <glib.h>
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#ifdef NEED_SNPRINTF_H
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# include "snprintf.h"
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#endif
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#include <epan/packet.h>
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#include "prefs.h"
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#define SCTP_PORT_M3UA 2905
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#define M3UA_PAYLOAD_PROTO_ID 3
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#define VERSION_LENGTH 1
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#define RESERVED_LENGTH 1
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#define MESSAGE_CLASS_LENGTH 1
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#define MESSAGE_TYPE_LENGTH 1
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#define MESSAGE_LENGTH_LENGTH 4
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#define COMMON_HEADER_LENGTH (VERSION_LENGTH + RESERVED_LENGTH + MESSAGE_CLASS_LENGTH + \
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MESSAGE_TYPE_LENGTH + MESSAGE_LENGTH_LENGTH)
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#define VERSION_OFFSET 0
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#define RESERVED_OFFSET (VERSION_OFFSET + VERSION_LENGTH)
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#define MESSAGE_CLASS_OFFSET (RESERVED_OFFSET + RESERVED_LENGTH)
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#define MESSAGE_TYPE_OFFSET (MESSAGE_CLASS_OFFSET + MESSAGE_CLASS_LENGTH)
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#define MESSAGE_LENGTH_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
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#define PARAMETER_TAG_LENGTH 2
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#define PARAMETER_LENGTH_LENGTH 2
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#define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_LENGTH)
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#define PARAMETER_TAG_OFFSET 0
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#define PARAMETER_LENGTH_OFFSET (PARAMETER_TAG_OFFSET + PARAMETER_TAG_LENGTH)
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#define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
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#define PARAMETER_HEADER_OFFSET PARAMETER_TAG_OFFSET
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#define V6_NETWORK_APPEARANCE_PARAMETER_TAG 1
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#define V6_PROTOCOL_DATA_1_PARAMETER_TAG 2
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#define V6_PROTOCOL_DATA_2_PARAMETER_TAG 3
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#define V6_INFO_PARAMETER_TAG 4
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#define V6_AFFECTED_DESTINATIONS_PARAMETER_TAG 5
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#define V6_ROUTING_CONTEXT_PARAMETER_TAG 6
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#define V6_DIAGNOSTIC_INFORMATION_PARAMETER_TAG 7
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#define V6_HEARTBEAT_DATA_PARAMETER_TAG 8
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#define V6_USER_CAUSE_PARAMETER_TAG 9
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#define V6_REASON_PARAMETER_TAG 10
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#define V6_TRAFFIC_MODE_TYPE_PARAMETER_TAG 11
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#define V6_ERROR_CODE_PARAMETER_TAG 12
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#define V6_STATUS_PARAMETER_TAG 13
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#define V6_CONGESTION_INDICATION_PARAMETER_TAG 14
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#define V6_CONCERNED_DESTINATION_PARAMETER_TAG 15
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#define V6_ROUTING_KEY_PARAMETER_TAG 16
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#define V6_REGISTRATION_RESULT_PARAMETER_TAG 17
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#define V6_DEREGISTRATION_RESULT_PARAMETER_TAG 18
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#define V6_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG 19
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#define V6_DESTINATION_POINT_CODE_PARAMETER_TAG 20
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#define V6_SERVICE_INDICATORS_PARAMETER_TAG 21
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#define V6_SUBSYSTEM_NUMBERS_PARAMETER_TAG 22
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#define V6_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG 23
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#define V6_CIRCUIT_RANGE_PARAMETER_TAG 24
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#define V6_REGISTRATION_RESULTS_PARAMETER_TAG 25
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#define V6_DEREGISTRATION_RESULTS_PARAMETER_TAG 26
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static const value_string m3ua_v6_parameter_tag_values[] = {
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{ V6_NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" },
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{ V6_PROTOCOL_DATA_1_PARAMETER_TAG, "Protocol data 1" },
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{ V6_PROTOCOL_DATA_2_PARAMETER_TAG, "Protocol data 2" },
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{ V6_INFO_PARAMETER_TAG, "Info" },
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{ V6_AFFECTED_DESTINATIONS_PARAMETER_TAG, "Affected destinations" },
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{ V6_ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" },
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{ V6_DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
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{ V6_HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" },
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{ V6_USER_CAUSE_PARAMETER_TAG, "User / Cause" },
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{ V6_REASON_PARAMETER_TAG, "Reason" },
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{ V6_TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
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{ V6_ERROR_CODE_PARAMETER_TAG, "Error code" },
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{ V6_STATUS_PARAMETER_TAG, "Status" },
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{ V6_CONGESTION_INDICATION_PARAMETER_TAG, "Congestion indication" },
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{ V6_CONCERNED_DESTINATION_PARAMETER_TAG, "Concerned destination" },
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{ V6_ROUTING_KEY_PARAMETER_TAG, "Routing Key" },
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{ V6_REGISTRATION_RESULT_PARAMETER_TAG, "Registration result" },
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{ V6_DEREGISTRATION_RESULT_PARAMETER_TAG, "De-registration result" },
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{ V6_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG, "Local routing key identifier" },
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{ V6_DESTINATION_POINT_CODE_PARAMETER_TAG, "Destination point code" },
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{ V6_SERVICE_INDICATORS_PARAMETER_TAG, "Service indicators" },
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{ V6_SUBSYSTEM_NUMBERS_PARAMETER_TAG, "Subsystem numbers" },
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{ V6_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG, "Originating point code list" },
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{ V6_CIRCUIT_RANGE_PARAMETER_TAG, "Circuit range" },
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{ V6_REGISTRATION_RESULTS_PARAMETER_TAG, "Registration results" },
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{ V6_DEREGISTRATION_RESULTS_PARAMETER_TAG, "De-registration results" },
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{ 0, NULL } };
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#define V10_INFO_STRING_PARAMETER_TAG 0x0004
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#define V10_ROUTING_CONTEXT_PARAMETER_TAG 0x0006
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#define V10_DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x0007
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#define V10_HEARTBEAT_DATA_PARAMETER_TAG 0x0009
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#define V10_TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x000b
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#define V10_ERROR_CODE_PARAMETER_TAG 0x000c
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#define V10_STATUS_PARAMETER_TAG 0x000d
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#define V10_ASP_IDENTIFIER_PARAMETER_TAG 0x0011
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#define V10_AFFECTED_POINT_CODE_PARAMETER_TAG 0x0012
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#define V10_NETWORK_APPEARANCE_PARAMETER_TAG 0x0200
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#define V10_USER_CAUSE_PARAMETER_TAG 0x0204
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#define V10_CONGESTION_INDICATIONS_PARAMETER_TAG 0x0205
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#define V10_CONCERNED_DESTINATION_PARAMETER_TAG 0x0206
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#define V10_ROUTING_KEY_PARAMETER_TAG 0x0207
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#define V10_REGISTRATION_RESULT_PARAMETER_TAG 0x0208
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#define V10_DEREGISTRATION_RESULT_PARAMETER_TAG 0x0209
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#define V10_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG 0x020a
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#define V10_DESTINATION_POINT_CODE_PARAMETER_TAG 0x020b
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#define V10_SERVICE_INDICATORS_PARAMETER_TAG 0x020c
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#define V10_SUBSYSTEM_NUMBERS_PARAMETER_TAG 0x020d
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#define V10_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG 0x020e
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#define V10_CIRCUIT_RANGE_PARAMETER_TAG 0x020f
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#define V10_PROTOCOL_DATA_PARAMETER_TAG 0x0210
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#define V10_CORRELATION_IDENTIFIER_PARAMETER_TAG 0x0211
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#define V10_REGISTRATION_STATUS_PARAMETER_TAG 0x0212
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#define V10_DEREGISTRATION_STATUS_PARAMETER_TAG 0x0213
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static const value_string m3ua_v10_parameter_tag_values[] = {
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{ V10_INFO_STRING_PARAMETER_TAG, "Info string" } ,
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{ V10_ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" } ,
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{ V10_DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic Information" } ,
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{ V10_HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" } ,
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{ V10_TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" } ,
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{ V10_ERROR_CODE_PARAMETER_TAG, "Error code" } ,
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{ V10_STATUS_PARAMETER_TAG, "Status" } ,
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{ V10_ASP_IDENTIFIER_PARAMETER_TAG, "ASP identifier" } ,
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{ V10_AFFECTED_POINT_CODE_PARAMETER_TAG, "Affected point code" } ,
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{ V10_NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" } ,
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{ V10_USER_CAUSE_PARAMETER_TAG, "User / cause" } ,
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{ V10_CONGESTION_INDICATIONS_PARAMETER_TAG, "Congestion indications" } ,
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{ V10_CONCERNED_DESTINATION_PARAMETER_TAG, "Concerned destination" } ,
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{ V10_ROUTING_KEY_PARAMETER_TAG, "Routing key" } ,
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{ V10_REGISTRATION_RESULT_PARAMETER_TAG, "Registration result" } ,
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{ V10_DEREGISTRATION_RESULT_PARAMETER_TAG, "Deregistration result" } ,
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{ V10_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG, "Local routing key identifier" } ,
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{ V10_DESTINATION_POINT_CODE_PARAMETER_TAG, "Destination point code" } ,
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{ V10_SERVICE_INDICATORS_PARAMETER_TAG, "Service indicators" } ,
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{ V10_SUBSYSTEM_NUMBERS_PARAMETER_TAG, "Subsystem number" } ,
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{ V10_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG, "Originating point code list" } ,
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{ V10_CIRCUIT_RANGE_PARAMETER_TAG, "Circuit range" } ,
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{ V10_PROTOCOL_DATA_PARAMETER_TAG, "Protocol data" } ,
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{ V10_CORRELATION_IDENTIFIER_PARAMETER_TAG, "Correlation identifier" } ,
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{ V10_REGISTRATION_STATUS_PARAMETER_TAG, "Registration status" } ,
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{ V10_DEREGISTRATION_STATUS_PARAMETER_TAG, "Deregistration status" } ,
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{ 0, NULL } };
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#define PROTOCOL_VERSION_RELEASE_1 1
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static const value_string m3ua_protocol_version_values[] = {
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{ PROTOCOL_VERSION_RELEASE_1, "Release 1" },
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{ 0, NULL } };
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#define MESSAGE_CLASS_MGMT_MESSAGE 0
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#define MESSAGE_CLASS_TFER_MESSAGE 1
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#define MESSAGE_CLASS_SSNM_MESSAGE 2
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#define MESSAGE_CLASS_ASPSM_MESSAGE 3
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#define MESSAGE_CLASS_ASPTM_MESSAGE 4
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static const value_string m3ua_message_class_values[] = {
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{ MESSAGE_CLASS_MGMT_MESSAGE, "Management messages" },
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{ MESSAGE_CLASS_TFER_MESSAGE, "Transfer messages" },
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{ MESSAGE_CLASS_SSNM_MESSAGE, "SS7 signalling network management messages" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE, "ASP state maintenance messages" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE, "ASP traffic maintenance messages" },
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{ 0, NULL } };
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#define MESSAGE_TYPE_ERR 0
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#define MESSAGE_TYPE_NTFY 1
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#define MESSAGE_TYPE_DATA 1
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#define MESSAGE_TYPE_DUNA 1
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#define MESSAGE_TYPE_DAVA 2
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#define MESSAGE_TYPE_DAUD 3
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#define MESSAGE_TYPE_SCON 4
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#define MESSAGE_TYPE_DUPU 5
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#define MESSAGE_TYPE_UP 1
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#define MESSAGE_TYPE_DOWN 2
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#define MESSAGE_TYPE_BEAT 3
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#define MESSAGE_TYPE_UP_ACK 4
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#define MESSAGE_TYPE_DOWN_ACK 5
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#define MESSAGE_TYPE_BEAT_ACK 6
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#define MESSAGE_TYPE_ACTIVE 1
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#define MESSAGE_TYPE_INACTIVE 2
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#define MESSAGE_TYPE_ACTIVE_ACK 3
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#define MESSAGE_TYPE_INACTIVE_ACK 4
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static const value_string m3ua_message_class_type_values[] = {
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{ MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "Error (ERR)" },
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{ MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "Notify (NTFY)" },
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{ MESSAGE_CLASS_TFER_MESSAGE * 256 + MESSAGE_TYPE_DATA, "Payload data (DATA)" },
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{ MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUNA, "Destination unavailable (DUNA)" },
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{ MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAVA, "Destination available (DAVA)" },
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{ MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAUD, "Destination state audit (DAUD)" },
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{ MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_SCON, "SS7 Network congestion state (SCON)" },
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{ MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUPU, "Destination userpart unavailable (DUPU)" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP up (UP)" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down (DOWN)" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "Heartbeat (BEAT)" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP up ack (UP ACK)" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack (DOWN ACK)" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "Heartbeat ack (BEAT ACK)" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP active (ACTIVE)" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive (INACTIVE)" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack (ACTIVE ACK)" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack (INACTIVE ACK)" },
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{ 0, NULL } };
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static const value_string m3ua_message_class_type_acro_values[] = {
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{ MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "ERR" },
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{ MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "NTFY" },
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{ MESSAGE_CLASS_TFER_MESSAGE * 256 + MESSAGE_TYPE_DATA, "DATA" },
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{ MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUNA, "DUNA" },
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{ MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAVA, "DAVA" },
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{ MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAUD, "DAUD" },
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{ MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_SCON, "SCON" },
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{ MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUPU, "DUPU" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP_UP" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP_DOWN" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "BEAT" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP_UP_ACK" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP_DOWN_ACK" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "BEAT_ACK" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP_ACTIVE" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP_INACTIVE" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP_ACTIVE_ACK" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP_INACTIVE_ACK" },
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{ 0, NULL } };
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#define PROTOCOL_DATA_OFFSET PARAMETER_VALUE_OFFSET
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#define UNSPECIFIED_REASON 0
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#define USER_UNAVAILABLE_REASON 1
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#define MANAGEMENT_BLOCKING_REASON 2
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static const value_string m3ua_reason_values[] = {
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{ UNSPECIFIED_REASON, "Unspecified" },
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{ USER_UNAVAILABLE_REASON, "User unavailable" },
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{ MANAGEMENT_BLOCKING_REASON, "Management blocking" },
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{0, NULL } };
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#define REASON_LENGTH 4
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#define REASON_OFFSET PARAMETER_VALUE_OFFSET
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#define TRAFFIC_MODE_TYPE_LENGTH 4
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#define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
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/* Initialize the protocol and registered fields */
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static int proto_m3ua = -1;
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static int hf_m3ua_version = -1;
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static int hf_m3ua_reserved = -1;
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static int hf_m3ua_message_class = -1;
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static int hf_m3ua_message_type = -1;
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static int hf_m3ua_message_length = -1;
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static int hf_m3ua_parameter_tag = -1;
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static int hf_m3ua_parameter_length = -1;
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static int hf_m3ua_parameter_value = -1;
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static int hf_m3ua_parameter_padding = -1;
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static int hf_m3ua_network_appearance = -1;
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static int hf_m3ua_info_string = -1;
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static int hf_m3ua_routing_context = -1;
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static int hf_m3ua_diagnostic_information = -1;
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static int hf_m3ua_heartbeat_data = -1;
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static int hf_m3ua_error_code = -1;
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static int hf_m3ua_status_type = -1;
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static int hf_m3ua_status_info = -1;
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static int hf_m3ua_asp_identifier = -1;
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static int hf_m3ua_affected_point_code_mask = -1;
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static int hf_m3ua_affected_point_code_pc = -1;
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static int hf_m3ua_unavailability_cause = -1;
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static int hf_m3ua_user_identity = -1;
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static int hf_m3ua_reason = -1;
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static int hf_m3ua_traffic_mode_type = -1;
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static int hf_m3ua_congestion_reserved = -1;
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static int hf_m3ua_congestion_level = -1;
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static int hf_m3ua_concerned_dest_reserved = -1;
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static int hf_m3ua_concerned_dest_pc = -1;
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static int hf_m3ua_local_rk_identifier = -1;
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static int hf_m3ua_dpc_mask = -1;
|
|
static int hf_m3ua_dpc_pc = -1;
|
|
static int hf_m3ua_si = -1;
|
|
static int hf_m3ua_ssn = -1;
|
|
static int hf_m3ua_opc_list_mask = -1;
|
|
static int hf_m3ua_opc_list_pc = -1;
|
|
static int hf_m3ua_cic_range_mask = -1;
|
|
static int hf_m3ua_cic_range_pc = -1;
|
|
static int hf_m3ua_cic_range_upper = -1;
|
|
static int hf_m3ua_cic_range_lower = -1;
|
|
static int hf_m3ua_protocol_data_opc = -1;
|
|
static int hf_m3ua_protocol_data_dpc = -1;
|
|
static int hf_m3ua_protocol_data_si = -1;
|
|
static int hf_m3ua_protocol_data_ni = -1;
|
|
static int hf_m3ua_protocol_data_mp = -1;
|
|
static int hf_m3ua_protocol_data_sls = -1;
|
|
static int hf_m3ua_correlation_identifier = -1;
|
|
static int hf_m3ua_registration_status = -1;
|
|
static int hf_m3ua_deregistration_status = -1;
|
|
static int hf_m3ua_registration_result_identifier = -1;
|
|
static int hf_m3ua_registration_result_status = -1;
|
|
static int hf_m3ua_registration_result_context = -1;
|
|
static int hf_m3ua_deregistration_result_status = -1;
|
|
static int hf_m3ua_deregistration_result_context = -1;
|
|
static int hf_m3ua_li = -1;
|
|
|
|
/* Initialize the subtree pointers */
|
|
static gint ett_m3ua = -1;
|
|
static gint ett_m3ua_parameter = -1;
|
|
|
|
static module_t *m3ua_module;
|
|
static dissector_handle_t mtp3_handle, data_handle;
|
|
static dissector_table_t m3ua_si_dissector_table;
|
|
|
|
/* stuff for supporting multiple versions */
|
|
#define M3UA_V6 1
|
|
#define M3UA_V10 2
|
|
static gint m3ua_version = M3UA_V10;
|
|
|
|
static void
|
|
dissect_m3ua_parameters(tvbuff_t *, packet_info *, proto_tree *, proto_tree *);
|
|
|
|
static guint
|
|
nr_of_padding_bytes (guint length)
|
|
{
|
|
guint remainder;
|
|
|
|
remainder = length % 4;
|
|
|
|
if (remainder == 0)
|
|
return 0;
|
|
else
|
|
return 4 - remainder;
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *m3ua_tree)
|
|
{
|
|
guint8 version, reserved, message_class, message_type;
|
|
guint32 message_length;
|
|
|
|
/* Extract the common header */
|
|
version = tvb_get_guint8(common_header_tvb, VERSION_OFFSET);
|
|
reserved = tvb_get_guint8(common_header_tvb, RESERVED_OFFSET);
|
|
message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET);
|
|
message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET);
|
|
message_length = tvb_get_ntohl (common_header_tvb, MESSAGE_LENGTH_OFFSET);
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)) {
|
|
col_append_str(pinfo->cinfo, COL_INFO, val_to_str(message_class * 256 + message_type, m3ua_message_class_type_acro_values, "reserved"));
|
|
col_append_str(pinfo->cinfo, COL_INFO, " ");
|
|
}
|
|
|
|
if (m3ua_tree) {
|
|
/* add the components of the common header to the protocol tree */
|
|
proto_tree_add_uint(m3ua_tree, hf_m3ua_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, version);
|
|
proto_tree_add_uint(m3ua_tree, hf_m3ua_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, reserved);
|
|
proto_tree_add_uint(m3ua_tree, hf_m3ua_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, message_class);
|
|
proto_tree_add_uint_format(m3ua_tree, hf_m3ua_message_type, common_header_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, message_type,
|
|
"Message type: %s (%u)",
|
|
val_to_str(message_class * 256 + message_type, m3ua_message_class_type_values, "reserved"), message_type);
|
|
proto_tree_add_uint(m3ua_tree, hf_m3ua_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, message_length);
|
|
}
|
|
}
|
|
|
|
#define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_m3ua_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 length, info_string_length;
|
|
char *info_string;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
|
|
info_string_length = length - PARAMETER_HEADER_LENGTH;
|
|
info_string = (char *)tvb_get_ptr(parameter_tvb, INFO_STRING_OFFSET, info_string_length);
|
|
proto_tree_add_string(parameter_tree, hf_m3ua_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, info_string);
|
|
proto_item_set_text(parameter_item, "Info String (%.*s)", info_string_length, info_string);
|
|
}
|
|
|
|
#define ROUTING_CONTEXT_LENGTH 4
|
|
|
|
static void
|
|
dissect_m3ua_routing_context_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 length, number_of_contexts, context_number;
|
|
guint32 context;
|
|
gint context_offset;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
number_of_contexts = (length - PARAMETER_HEADER_LENGTH) / 4;
|
|
context_offset = PARAMETER_VALUE_OFFSET;
|
|
for(context_number=1; context_number <= number_of_contexts; context_number++) {
|
|
context = tvb_get_ntohl(parameter_tvb, context_offset);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_routing_context, parameter_tvb, context_offset, ROUTING_CONTEXT_LENGTH, context);
|
|
context_offset += ROUTING_CONTEXT_LENGTH;
|
|
}
|
|
proto_item_set_text(parameter_item, "Routing context parameter (%u context%s)", number_of_contexts, plurality(number_of_contexts, "", "s"));
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 length, diagnostic_info_length;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
diagnostic_info_length = length - PARAMETER_HEADER_LENGTH;
|
|
|
|
proto_tree_add_bytes(parameter_tree, hf_m3ua_diagnostic_information, parameter_tvb, PARAMETER_VALUE_OFFSET, diagnostic_info_length,
|
|
tvb_get_ptr(parameter_tvb, PARAMETER_VALUE_OFFSET, diagnostic_info_length));
|
|
|
|
proto_item_set_text(parameter_item, "Diagnostic information (%u byte%s)", diagnostic_info_length, plurality(diagnostic_info_length, "", "s"));
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 length, heartbeat_data_length;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
|
|
heartbeat_data_length = length - PARAMETER_HEADER_LENGTH;
|
|
|
|
proto_tree_add_bytes(parameter_tree, hf_m3ua_heartbeat_data, parameter_tvb, PARAMETER_VALUE_OFFSET, heartbeat_data_length,
|
|
tvb_get_ptr(parameter_tvb, PARAMETER_VALUE_OFFSET, heartbeat_data_length));
|
|
|
|
proto_item_set_text(parameter_item, "Heartbeat data (%u byte%s)", heartbeat_data_length, plurality(heartbeat_data_length, "", "s"));
|
|
}
|
|
|
|
#define OVER_RIDE_TYPE 1
|
|
#define LOAD_SHARE_TYPE 2
|
|
#define OVER_RIDE_STANDBY_TYPE 3
|
|
#define LOAD_SHARE_STANDBY_TYPE 4
|
|
|
|
static const value_string m3ua_v6_traffic_mode_type_values[] = {
|
|
{ OVER_RIDE_TYPE , "Over-ride" },
|
|
{ LOAD_SHARE_TYPE, "Load-share" },
|
|
{ OVER_RIDE_STANDBY_TYPE, "Over-ride (standby)" },
|
|
{ LOAD_SHARE_STANDBY_TYPE, "Load-share (standby)" },
|
|
{0, NULL } };
|
|
|
|
static void
|
|
dissect_m3ua_v6_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 traffic_mode_type;
|
|
|
|
traffic_mode_type = tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET);
|
|
|
|
proto_tree_add_uint_format(parameter_tree, hf_m3ua_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, traffic_mode_type,
|
|
"Traffic mode type: %u (%s)", traffic_mode_type, val_to_str(traffic_mode_type, m3ua_v6_traffic_mode_type_values, "unknown"));
|
|
proto_item_set_text(parameter_item, "Traffic mode type parameter (%s)", val_to_str(traffic_mode_type, m3ua_v6_traffic_mode_type_values, "unknown"));
|
|
}
|
|
|
|
#define BROADCAST_TYPE 3
|
|
|
|
static const value_string m3ua_v10_traffic_mode_type_values[] = {
|
|
{ OVER_RIDE_TYPE , "Over-ride" },
|
|
{ LOAD_SHARE_TYPE, "Load-share" },
|
|
{ BROADCAST_TYPE, "Broadcast" },
|
|
{0, NULL } };
|
|
|
|
static void
|
|
dissect_m3ua_v10_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 traffic_mode_type;
|
|
|
|
traffic_mode_type = tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET);
|
|
|
|
proto_tree_add_uint_format(parameter_tree, hf_m3ua_traffic_mode_type,
|
|
parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH,
|
|
traffic_mode_type, "Traffic mode type: %u (%s)",
|
|
traffic_mode_type, val_to_str(traffic_mode_type, m3ua_v10_traffic_mode_type_values, "unknown"));
|
|
proto_item_set_text(parameter_item, "Traffic mode type parameter (%s)", val_to_str(traffic_mode_type, m3ua_v10_traffic_mode_type_values, "unknown"));
|
|
}
|
|
|
|
#define V6_INVALID_VERSION_ERROR_CODE 1
|
|
#define V6_INVALID_NETWORK_APPEARANCE_ERROR_CODE 2
|
|
#define V6_UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE 3
|
|
#define V6_UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE 4
|
|
#define V6_INVALID_TRAFFIC_HANDLING_MODE_ERROR_CODE 5
|
|
#define V6_UNEXPECTED_MESSAGE_ERROR_CODE 6
|
|
#define V6_PROTOCOL_ERROR_ERROR_CODE 7
|
|
#define V6_INVALID_ROUTING_CONTEXT_ERROR_CODE 8
|
|
#define V6_INVALID_STREAM_IDENTIFIER_ERROR_CODE 9
|
|
#define V6_INVALID_PARAMETER_VALUE_ERROR_CODE 10
|
|
|
|
static const value_string m3ua_v6_error_code_values[] = {
|
|
{ V6_INVALID_VERSION_ERROR_CODE, "Invalid version" },
|
|
{ V6_INVALID_NETWORK_APPEARANCE_ERROR_CODE, "Invalid network appearance" },
|
|
{ V6_UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE, "Unsupported message class" },
|
|
{ V6_UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE, "Unsupported message type" },
|
|
{ V6_INVALID_TRAFFIC_HANDLING_MODE_ERROR_CODE, "Invalid traffic handling mode" },
|
|
{ V6_UNEXPECTED_MESSAGE_ERROR_CODE, "Unexpected message" },
|
|
{ V6_PROTOCOL_ERROR_ERROR_CODE, "Protocol error" },
|
|
{ V6_INVALID_ROUTING_CONTEXT_ERROR_CODE, "Invalid routing context" },
|
|
{ V6_INVALID_STREAM_IDENTIFIER_ERROR_CODE, "Invalid stream identifier" },
|
|
{ V6_INVALID_PARAMETER_VALUE_ERROR_CODE, "Invalid parameter value" },
|
|
{ 0, NULL } };
|
|
|
|
#define ERROR_CODE_LENGTH 4
|
|
#define ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_m3ua_v6_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 error_code;
|
|
|
|
error_code = tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET);
|
|
proto_tree_add_uint_format(parameter_tree, hf_m3ua_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, error_code,
|
|
"Error code: %u (%s)", error_code, val_to_str(error_code, m3ua_v6_error_code_values, "unknown"));
|
|
proto_item_set_text(parameter_item, "Error code parameter (%s)", val_to_str(error_code, m3ua_v6_error_code_values, "unknown"));
|
|
}
|
|
|
|
|
|
#define V10_INVALID_VERSION_ERROR_CODE 0x01
|
|
#define V10_UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE 0x03
|
|
#define V10_UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE 0x04
|
|
#define V10_UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR_CODE 0x05
|
|
#define V10_UNEXPECTED_MESSAGE_ERROR_CODE 0x06
|
|
#define V10_PROTOCOL_ERROR_ERROR_CODE 0x07
|
|
#define V10_INVALID_STREAM_IDENTIFIER_ERROR_CODE 0x09
|
|
#define V10_REFUSED_ERROR_CODE 0x0d
|
|
#define V10_ASP_IDENTIFIER_REQUIRED_ERROR_CODE 0x0e
|
|
#define V10_INVALID_ASP_IDENTIFIER_ERROR_CODE 0x0f
|
|
#define V10_INVALID_ROUTING_CONTEXT_ERROR_CODE 0x10
|
|
#define V10_INVALID_PARAMETER_VALUE_ERROR_CODE 0x11
|
|
#define V10_PARAMETER_FIELD_ERROR_CODE 0x12
|
|
#define V10_UNEXPECTED_PARAMETER_ERROR_CODE 0x13
|
|
#define V10_DESTINATION_STATUS_UNKNOWN_ERROR_CODE 0x14
|
|
#define V10_INVALID_NETWORK_APPEARANCE_ERROR_CODE 0x15
|
|
#define V10_NO_CONFIGURED_AS_FOR_ASP_ERROR_CODE 0x16
|
|
|
|
static const value_string m3ua_v10_error_code_values[] = {
|
|
{ V10_INVALID_VERSION_ERROR_CODE, "Invalid version" },
|
|
{ V10_UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE, "Unsupported message class" },
|
|
{ V10_UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE, "Unsupported message type" },
|
|
{ V10_UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR_CODE, "Unsupported traffic handling mode" },
|
|
{ V10_UNEXPECTED_MESSAGE_ERROR_CODE, "Unexpected message" },
|
|
{ V10_PROTOCOL_ERROR_ERROR_CODE, "Protocol error" },
|
|
{ V10_INVALID_STREAM_IDENTIFIER_ERROR_CODE, "Invalid stream identifier" },
|
|
{ V10_REFUSED_ERROR_CODE, "Refused - management blocking" },
|
|
{ V10_ASP_IDENTIFIER_REQUIRED_ERROR_CODE, "ASP identifier required" },
|
|
{ V10_INVALID_ASP_IDENTIFIER_ERROR_CODE, "Invalid ASP identifier" },
|
|
{ V10_INVALID_ROUTING_CONTEXT_ERROR_CODE, "Invalid routing context" },
|
|
{ V10_INVALID_PARAMETER_VALUE_ERROR_CODE, "Invalid parameter value" },
|
|
{ V10_PARAMETER_FIELD_ERROR_CODE, "Parameter field error" },
|
|
{ V10_UNEXPECTED_PARAMETER_ERROR_CODE, "Unexpected parameter" },
|
|
{ V10_DESTINATION_STATUS_UNKNOWN_ERROR_CODE, "Destination status unknown" },
|
|
{ V10_INVALID_NETWORK_APPEARANCE_ERROR_CODE, "Invalid network sppearance" },
|
|
{ V10_NO_CONFIGURED_AS_FOR_ASP_ERROR_CODE, "No configured AS for ASP" },
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_m3ua_v10_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 error_code;
|
|
|
|
error_code = tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET);
|
|
proto_tree_add_uint_format(parameter_tree, hf_m3ua_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, error_code,
|
|
"Error code: %u (%s)",error_code, val_to_str(error_code, m3ua_v10_error_code_values, "unknown"));
|
|
proto_item_set_text(parameter_item, "Error code parameter (%s)", val_to_str(error_code, m3ua_v10_error_code_values, "unknown"));
|
|
}
|
|
|
|
#define AS_STATE_CHANGE_TYPE 1
|
|
#define OTHER_TYPE 2
|
|
|
|
static const value_string m3ua_status_type_values[] = {
|
|
{ AS_STATE_CHANGE_TYPE, "Application server state change" },
|
|
{ OTHER_TYPE, "Other" },
|
|
{ 0, NULL } };
|
|
|
|
#define RESERVED_INFO 1
|
|
#define AS_INACTIVE_INFO 2
|
|
#define AS_ACTIVE_INFO 3
|
|
#define AS_PENDING_INFO 4
|
|
|
|
#define INSUFFICIENT_ASP_RES_INFO 1
|
|
#define ALTERNATE_ASP_ACTIVE_INFO 2
|
|
#define ASP_FAILURE_INFO 3
|
|
|
|
static const value_string m3ua_status_type_info_values[] = {
|
|
{ AS_STATE_CHANGE_TYPE * 256 * 256 + RESERVED_INFO, "Reserved" },
|
|
{ AS_STATE_CHANGE_TYPE * 256 * 256 + AS_INACTIVE_INFO, "Application server inactive" },
|
|
{ AS_STATE_CHANGE_TYPE * 256 * 256 + AS_ACTIVE_INFO, "Application server active" },
|
|
{ AS_STATE_CHANGE_TYPE * 256 * 256 + AS_PENDING_INFO, "Application server pending" },
|
|
{ OTHER_TYPE * 256 * 256 + INSUFFICIENT_ASP_RES_INFO, "Insufficient ASP resources active in AS" },
|
|
{ OTHER_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_INFO, "Alternate ASP active" },
|
|
{ OTHER_TYPE * 256 * 256 + ASP_FAILURE_INFO, "ASP Failure" },
|
|
{0, NULL } };
|
|
|
|
#define STATUS_TYPE_LENGTH 2
|
|
#define STATUS_INFO_LENGTH 2
|
|
|
|
#define STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define STATUS_INFO_OFFSET (STATUS_TYPE_OFFSET + STATUS_TYPE_LENGTH)
|
|
|
|
static void
|
|
dissect_m3ua_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 status_type, status_info;
|
|
|
|
status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET);
|
|
status_info = tvb_get_ntohs(parameter_tvb, STATUS_INFO_OFFSET);
|
|
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_status_type, parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH, status_type);
|
|
proto_tree_add_uint_format(parameter_tree, hf_m3ua_status_info, parameter_tvb, STATUS_INFO_OFFSET, STATUS_INFO_LENGTH, status_info,
|
|
"Status info: %s (%u)", val_to_str(status_type * 256 * 256 + status_info, m3ua_status_type_info_values, "unknown"), status_info);
|
|
|
|
proto_item_set_text(parameter_item,
|
|
"Status type / ID (%s)", val_to_str(status_type * 256 * 256 + status_info, m3ua_status_type_info_values, "unknown status information"));
|
|
}
|
|
|
|
#define ASP_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define ASP_IDENTIFIER_LENGTH 4
|
|
|
|
static void
|
|
dissect_m3ua_asp_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 identifier;
|
|
|
|
identifier = tvb_get_ntohl(parameter_tvb, ASP_IDENTIFIER_OFFSET);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_asp_identifier, parameter_tvb, ASP_IDENTIFIER_OFFSET, ASP_IDENTIFIER_LENGTH, identifier);
|
|
proto_item_set_text(parameter_item, "ASP identifier (%u)", identifier);
|
|
}
|
|
|
|
#define AFFECTED_MASK_LENGTH 1
|
|
#define AFFECTED_PC_LENGTH 3
|
|
#define AFFECTED_POINT_CODE_LENGTH (AFFECTED_MASK_LENGTH + AFFECTED_PC_LENGTH)
|
|
|
|
#define AFFECTED_MASK_OFFSET 0
|
|
#define AFFECTED_PC_OFFSET (AFFECTED_MASK_OFFSET + AFFECTED_MASK_LENGTH)
|
|
|
|
static void
|
|
dissect_m3ua_affected_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 mask;
|
|
guint16 length, number_of_point_codes, point_code_number;
|
|
guint32 pc;
|
|
gint point_code_offset;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
number_of_point_codes = (length - PARAMETER_HEADER_LENGTH) / AFFECTED_POINT_CODE_LENGTH;
|
|
|
|
point_code_offset = PARAMETER_VALUE_OFFSET;
|
|
for(point_code_number=1; point_code_number <= number_of_point_codes; point_code_number++) {
|
|
mask = tvb_get_guint8(parameter_tvb, point_code_offset + AFFECTED_MASK_OFFSET);
|
|
pc = tvb_get_ntoh24(parameter_tvb, point_code_offset + AFFECTED_PC_OFFSET);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_affected_point_code_mask, parameter_tvb, point_code_offset + AFFECTED_MASK_OFFSET, AFFECTED_MASK_LENGTH, mask);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_affected_point_code_pc, parameter_tvb, point_code_offset + AFFECTED_PC_OFFSET, AFFECTED_PC_LENGTH, pc);
|
|
point_code_offset += AFFECTED_POINT_CODE_LENGTH;
|
|
};
|
|
proto_item_set_text(parameter_item, "Affected point code parameter (%u point code%s)", number_of_point_codes, plurality(number_of_point_codes, "", "s"));
|
|
|
|
}
|
|
|
|
#define NETWORK_APPEARANCE_LENGTH 4
|
|
#define NETWORK_APPEARANCE_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_m3ua_network_appearance_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 network_appearance;
|
|
|
|
network_appearance = tvb_get_ntohl(parameter_tvb, NETWORK_APPEARANCE_OFFSET);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_network_appearance, parameter_tvb, NETWORK_APPEARANCE_OFFSET, NETWORK_APPEARANCE_LENGTH, network_appearance);
|
|
proto_item_set_text(parameter_item, "Network appearance: %u", network_appearance);
|
|
}
|
|
|
|
#define UNKNOWN_UNAVAIL_CAUSE 0
|
|
#define UNEQUIPPED_REMOTE_USER_UNAVAIL_CAUSE 1
|
|
#define INACCESSABLE_REMOTE_USER_UNAVAIL_CAUSE 2
|
|
|
|
static const value_string m3ua_unavailability_cause_values[] = {
|
|
{ UNKNOWN_UNAVAIL_CAUSE, "Unknown" },
|
|
{ UNEQUIPPED_REMOTE_USER_UNAVAIL_CAUSE, "Unequipped remote user" },
|
|
{ INACCESSABLE_REMOTE_USER_UNAVAIL_CAUSE, "Inaccessable remote user" },
|
|
{0, NULL } };
|
|
|
|
#define RESERVED_0_USER_ID 0
|
|
#define RESERVED_1_USER_ID 1
|
|
#define RESERVED_2_USER_ID 2
|
|
#define SCCP_USER_ID 3
|
|
#define TUP_USER_ID 4
|
|
#define ISUP_USER_ID 5
|
|
#define RESERVED_6_USER_ID 6
|
|
#define RESERVED_7_USER_ID 7
|
|
#define RESERVED_8_USER_ID 8
|
|
#define BROADBAND_ISUP_USER_ID 9
|
|
#define SATELLITE_ISUP_USER_ID 10
|
|
|
|
static const value_string m3ua_user_identity_values[] = {
|
|
{ RESERVED_0_USER_ID, "Reserved" },
|
|
{ RESERVED_1_USER_ID, "Reserved" },
|
|
{ RESERVED_2_USER_ID, "Reserved" },
|
|
{ SCCP_USER_ID, "SCCP" },
|
|
{ TUP_USER_ID, "TUP" },
|
|
{ ISUP_USER_ID, "ISUP" },
|
|
{ RESERVED_6_USER_ID, "Reserved" },
|
|
{ RESERVED_7_USER_ID, "Reserved" },
|
|
{ RESERVED_8_USER_ID, "Reserved" },
|
|
{ BROADBAND_ISUP_USER_ID, "Broadband ISUP" },
|
|
{ SATELLITE_ISUP_USER_ID, "Satellite ISUP" },
|
|
{0, NULL } };
|
|
|
|
#define CAUSE_LENGTH 2
|
|
#define USER_LENGTH 2
|
|
|
|
#define CAUSE_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define USER_OFFSET (CAUSE_OFFSET + CAUSE_LENGTH)
|
|
|
|
static void
|
|
dissect_m3ua_user_cause_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 cause, user;
|
|
|
|
cause = tvb_get_ntohs(parameter_tvb, CAUSE_OFFSET);
|
|
user = tvb_get_ntohs(parameter_tvb, USER_OFFSET);
|
|
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_unavailability_cause, parameter_tvb, CAUSE_OFFSET, CAUSE_LENGTH, cause);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_user_identity, parameter_tvb, USER_OFFSET, USER_LENGTH, user);
|
|
proto_item_set_text(parameter_item, "User / Cause parameter (%s: %s)",
|
|
val_to_str(user, m3ua_user_identity_values, "Unknown user"),
|
|
val_to_str(cause, m3ua_unavailability_cause_values, "unknown cause"));
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_protocol_data_1_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 length, protocol_data_length;
|
|
tvbuff_t *payload_tvb;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
protocol_data_length = length - PARAMETER_HEADER_LENGTH;
|
|
payload_tvb = tvb_new_subset(parameter_tvb, PROTOCOL_DATA_OFFSET, protocol_data_length, protocol_data_length);
|
|
proto_item_set_text(parameter_item, "Protocol data (SS7 message of %u byte%s)", protocol_data_length, plurality(protocol_data_length, "", "s"));
|
|
proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH);
|
|
call_dissector(mtp3_handle, payload_tvb, pinfo, tree);
|
|
|
|
}
|
|
|
|
#define LI_OCTETT_LENGTH 1
|
|
#define LI_OCTETT_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_m3ua_protocol_data_2_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 li;
|
|
guint16 length, protocol_data_length;
|
|
tvbuff_t *payload_tvb;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
li = tvb_get_guint8(parameter_tvb, LI_OCTETT_OFFSET);
|
|
protocol_data_length = length - PARAMETER_HEADER_LENGTH - LI_OCTETT_LENGTH;
|
|
payload_tvb = tvb_new_subset(parameter_tvb, PROTOCOL_DATA_OFFSET + LI_OCTETT_LENGTH, protocol_data_length, protocol_data_length);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_li, parameter_tvb, LI_OCTETT_OFFSET, LI_OCTETT_LENGTH, li);
|
|
proto_item_set_text(parameter_item, "Protocol data (SS7 message of %u byte%s)", protocol_data_length, plurality(protocol_data_length, "", "s"));
|
|
proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH + LI_OCTETT_LENGTH);
|
|
call_dissector(mtp3_handle, payload_tvb, pinfo, tree);
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 reason;
|
|
|
|
reason = tvb_get_ntohl(parameter_tvb, REASON_OFFSET);
|
|
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_reason, parameter_tvb, REASON_OFFSET, REASON_LENGTH, reason);
|
|
proto_item_set_text(parameter_item, "Reason parameter (%s)", val_to_str(reason, m3ua_reason_values, "unknown"));
|
|
}
|
|
|
|
#define NO_CONGESTION_LEVEL 0
|
|
#define CONGESTION_LEVEL_1_LEVEL 1
|
|
#define CONGESTION_LEVEL_2_LEVEL 2
|
|
#define CONGESTION_LEVEL_3_LEVEL 3
|
|
|
|
static const value_string m3ua_congestion_level_values[] = {
|
|
{ NO_CONGESTION_LEVEL, "No congestion or undefined" },
|
|
{ CONGESTION_LEVEL_1_LEVEL, "Congestion level 1" },
|
|
{ CONGESTION_LEVEL_2_LEVEL, "Congestion level 2" },
|
|
{ CONGESTION_LEVEL_3_LEVEL, "Congestion level 3" },
|
|
{0, NULL } };
|
|
|
|
#define CONG_IND_RESERVED_LENGTH 3
|
|
#define CONG_IND_LEVEL_LENGTH 1
|
|
|
|
#define CONG_IND_RESERVED_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define CONG_IND_LEVEL_OFFSET (CONG_IND_RESERVED_OFFSET + CONG_IND_RESERVED_LENGTH)
|
|
|
|
static void
|
|
dissect_m3ua_congestion_indication_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 level;
|
|
|
|
level = tvb_get_guint8(parameter_tvb, CONG_IND_LEVEL_OFFSET);
|
|
|
|
proto_tree_add_bytes(parameter_tree, hf_m3ua_congestion_reserved, parameter_tvb, CONG_IND_RESERVED_OFFSET, CONG_IND_RESERVED_LENGTH,
|
|
tvb_get_ptr(parameter_tvb, CONG_IND_RESERVED_OFFSET, CONG_IND_RESERVED_LENGTH));
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_congestion_level, parameter_tvb, CONG_IND_LEVEL_OFFSET, CONG_IND_LEVEL_LENGTH, level);
|
|
proto_item_set_text(parameter_item, "Congestion indication(%s)", val_to_str(level, m3ua_congestion_level_values, "unknown"));
|
|
}
|
|
|
|
#define CON_DEST_RESERVED_LENGTH 1
|
|
#define CON_DEST_PC_LENGTH 3
|
|
|
|
#define CON_DEST_RESERVED_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define CON_DEST_PC_OFFSET (CON_DEST_RESERVED_OFFSET + CON_DEST_RESERVED_LENGTH)
|
|
|
|
static void
|
|
dissect_m3ua_concerned_destination_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 pc;
|
|
|
|
pc = tvb_get_ntoh24(parameter_tvb, CON_DEST_PC_OFFSET);
|
|
|
|
proto_tree_add_bytes(parameter_tree, hf_m3ua_concerned_dest_reserved, parameter_tvb, CON_DEST_RESERVED_OFFSET, CON_DEST_RESERVED_LENGTH,
|
|
tvb_get_ptr(parameter_tvb, CON_DEST_RESERVED_OFFSET, CON_DEST_RESERVED_LENGTH));
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_concerned_dest_pc, parameter_tvb, CON_DEST_PC_OFFSET, CON_DEST_PC_LENGTH, pc);
|
|
proto_item_set_text(parameter_item, "Concerned destination (%u)", pc);
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_routing_key_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
tvbuff_t *parameters_tvb;
|
|
guint16 length, parameters_length;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
parameters_length = length - PARAMETER_HEADER_LENGTH;
|
|
parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length);
|
|
dissect_m3ua_parameters(parameters_tvb, pinfo, tree, parameter_tree);
|
|
proto_item_set_text(parameter_item, "Routing key");
|
|
}
|
|
|
|
static const value_string m3ua_registration_result_status_values[] = {
|
|
{ 0, "Successfully Registered" } ,
|
|
{ 1, "Error - Unknown" } ,
|
|
{ 2, "Error - Invalid DPC" } ,
|
|
{ 3, "Error - Invalid Network Appearance" } ,
|
|
{ 4, "Error - Invalid Routing Key" } ,
|
|
{ 5, "Error - Permission Denied" } ,
|
|
{ 6, "Error - Overlapping (Non-unique) Routing Key" } ,
|
|
{ 7, "Error - Routing Key not Provisioned" } ,
|
|
{ 8, "Error - Insufficient Resources" } ,
|
|
{ 0, NULL } };
|
|
|
|
#define REG_RES_IDENTIFIER_LENGTH 4
|
|
#define REG_RES_STATUS_LENGTH 4
|
|
#define REG_RES_CONTEXT_LENGTH 4
|
|
|
|
#define REG_RES_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define REG_RES_STATUS_OFFSET (REG_RES_IDENTIFIER_OFFSET + REG_RES_IDENTIFIER_LENGTH)
|
|
#define REG_RES_CONTEXT_OFFSET (REG_RES_STATUS_OFFSET + REG_RES_STATUS_LENGTH)
|
|
|
|
static void
|
|
dissect_m3ua_v6_registration_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 id, status, context;
|
|
|
|
id = tvb_get_ntohl(parameter_tvb, REG_RES_IDENTIFIER_OFFSET);
|
|
status = tvb_get_ntohl(parameter_tvb, REG_RES_STATUS_OFFSET);
|
|
context = tvb_get_ntohl(parameter_tvb, REG_RES_CONTEXT_OFFSET);
|
|
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_registration_result_identifier, parameter_tvb, REG_RES_IDENTIFIER_OFFSET, REG_RES_IDENTIFIER_LENGTH, id);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_registration_result_status, parameter_tvb, REG_RES_STATUS_OFFSET, REG_RES_STATUS_LENGTH, status);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_registration_result_context, parameter_tvb, REG_RES_CONTEXT_OFFSET, REG_RES_CONTEXT_LENGTH, context);
|
|
proto_item_set_text(parameter_item, "Registration result");
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_v10_registration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
tvbuff_t *parameters_tvb;
|
|
guint16 length, parameters_length;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
parameters_length = length - PARAMETER_HEADER_LENGTH;
|
|
parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length);
|
|
dissect_m3ua_parameters(parameters_tvb, pinfo, tree, parameter_tree);
|
|
proto_item_set_text(parameter_item, "Registration result");
|
|
}
|
|
|
|
static const value_string m3ua_deregistration_result_status_values[] = {
|
|
{ 0, "Successfully De-registered" } ,
|
|
{ 1, "Error - Unknown" } ,
|
|
{ 2, "Error - Invalid Routing context" } ,
|
|
{ 3, "Error - Permission Denied" } ,
|
|
{ 4, "Error - Not registered" } ,
|
|
{ 0, NULL } };
|
|
|
|
#define DEREG_RES_CONTEXT_LENGTH 4
|
|
#define DEREG_RES_STATUS_LENGTH 4
|
|
|
|
#define DEREG_RES_CONTEXT_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define DEREG_RES_STATUS_OFFSET (DEREG_RES_CONTEXT_OFFSET + DEREG_RES_CONTEXT_LENGTH)
|
|
|
|
static void
|
|
dissect_m3ua_v6_deregistration_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 status, context;
|
|
|
|
context = tvb_get_ntohl(parameter_tvb, DEREG_RES_CONTEXT_OFFSET);
|
|
status = tvb_get_ntohl(parameter_tvb, DEREG_RES_STATUS_OFFSET);
|
|
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_deregistration_result_context, parameter_tvb, DEREG_RES_CONTEXT_OFFSET, DEREG_RES_CONTEXT_LENGTH, context);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_deregistration_result_status, parameter_tvb, DEREG_RES_STATUS_OFFSET, DEREG_RES_STATUS_LENGTH, status);
|
|
proto_item_set_text(parameter_item, "De-registration result");
|
|
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_v10_deregistration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
tvbuff_t *parameters_tvb;
|
|
guint16 length, parameters_length;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
parameters_length = length - PARAMETER_HEADER_LENGTH;
|
|
parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length);
|
|
dissect_m3ua_parameters(parameters_tvb, pinfo, tree, parameter_tree);
|
|
proto_item_set_text(parameter_item, "Deregistration result");
|
|
}
|
|
|
|
|
|
#define LOCAL_RK_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define LOCAL_RK_IDENTIFIER_LENGTH 4
|
|
|
|
static void
|
|
dissect_m3ua_local_routing_key_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 id;
|
|
|
|
id = tvb_get_ntohl(parameter_tvb, LOCAL_RK_IDENTIFIER_OFFSET);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_local_rk_identifier, parameter_tvb, LOCAL_RK_IDENTIFIER_OFFSET, LOCAL_RK_IDENTIFIER_LENGTH, id);
|
|
proto_item_set_text(parameter_item, "Local routing key identifier (%u)", id);
|
|
}
|
|
|
|
#define DPC_MASK_LENGTH 1
|
|
#define DPC_PC_LENGTH 3
|
|
|
|
#define DPC_MASK_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define DPC_PC_OFFSET (DPC_MASK_OFFSET + DPC_MASK_LENGTH)
|
|
|
|
static void
|
|
dissect_m3ua_destination_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 pc;
|
|
guint8 mask;
|
|
|
|
mask = tvb_get_guint8(parameter_tvb, DPC_MASK_OFFSET);
|
|
pc = tvb_get_ntoh24(parameter_tvb, DPC_PC_OFFSET);
|
|
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_dpc_mask, parameter_tvb, DPC_MASK_OFFSET, DPC_MASK_LENGTH, mask);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_dpc_pc, parameter_tvb, DPC_PC_OFFSET, DPC_PC_LENGTH, pc);
|
|
proto_item_set_text(parameter_item, "Destination point code (%u)", pc);
|
|
}
|
|
|
|
#define SI_LENGTH 1
|
|
|
|
static void
|
|
dissect_m3ua_service_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 si;
|
|
guint16 length, number_of_sis, si_number;
|
|
gint si_offset;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
number_of_sis = length - PARAMETER_HEADER_LENGTH;
|
|
|
|
si_offset = PARAMETER_VALUE_OFFSET;
|
|
for(si_number=1; si_number <= number_of_sis; si_number++) {
|
|
si = tvb_get_guint8(parameter_tvb, si_offset);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_si, parameter_tvb, si_offset, SI_LENGTH, si);
|
|
si_offset += SI_LENGTH;
|
|
};
|
|
proto_item_set_text(parameter_item, "Service indicators (%u indicator%s)", number_of_sis, plurality(number_of_sis, "", "s"));
|
|
|
|
}
|
|
#define SSN_LENGTH 1
|
|
|
|
static void
|
|
dissect_m3ua_subsystem_numbers_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 ssn;
|
|
guint16 length, number_of_ssns, ssn_number;
|
|
gint ssn_offset;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
number_of_ssns = length - PARAMETER_HEADER_LENGTH;
|
|
|
|
ssn_offset = PARAMETER_VALUE_OFFSET;
|
|
for(ssn_number=1; ssn_number <= number_of_ssns; ssn_number++) {
|
|
ssn = tvb_get_guint8(parameter_tvb, ssn_offset);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_ssn, parameter_tvb, ssn_offset, SSN_LENGTH, ssn);
|
|
ssn_offset += SSN_LENGTH;
|
|
};
|
|
proto_item_set_text(parameter_item, "Subsystem numbers (%u number%s)", number_of_ssns, plurality(number_of_ssns, "", "s"));
|
|
|
|
}
|
|
|
|
#define OPC_MASK_LENGTH 1
|
|
#define OPC_PC_LENGTH 3
|
|
#define OPC_LENGTH (OPC_MASK_LENGTH + OPC_PC_LENGTH)
|
|
#define OPC_MASK_OFFSET 0
|
|
#define OPC_PC_OFFSET (OPC_MASK_OFFSET + OPC_MASK_LENGTH)
|
|
|
|
static void
|
|
dissect_m3ua_originating_point_code_list_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 mask;
|
|
guint16 length, number_of_point_codes, point_code_number;
|
|
guint32 pc;
|
|
gint point_code_offset;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
number_of_point_codes = (length - PARAMETER_HEADER_LENGTH) / 4;
|
|
|
|
point_code_offset = PARAMETER_VALUE_OFFSET;
|
|
for(point_code_number=1; point_code_number <= number_of_point_codes; point_code_number++) {
|
|
mask = tvb_get_guint8(parameter_tvb, point_code_offset + AFFECTED_MASK_OFFSET);
|
|
pc = tvb_get_ntoh24(parameter_tvb, point_code_offset + AFFECTED_PC_OFFSET);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_opc_list_mask, parameter_tvb, point_code_offset + OPC_MASK_OFFSET, OPC_MASK_LENGTH, mask);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_opc_list_pc, parameter_tvb, point_code_offset + OPC_PC_OFFSET, OPC_PC_LENGTH, pc);
|
|
point_code_offset += OPC_LENGTH;
|
|
};
|
|
proto_item_set_text(parameter_item, "Originating point code list (%u point code%s)", number_of_point_codes, plurality(number_of_point_codes, "", "s"));
|
|
}
|
|
|
|
#define CIC_RANGE_MASK_LENGTH 1
|
|
#define CIC_RANGE_PC_LENGTH 3
|
|
#define CIC_RANGE_LOWER_LENGTH 2
|
|
#define CIC_RANGE_UPPER_LENGTH 2
|
|
#define CIC_RANGE_LENGTH (CIC_RANGE_MASK_LENGTH + CIC_RANGE_PC_LENGTH + CIC_RANGE_LOWER_LENGTH + CIC_RANGE_UPPER_LENGTH)
|
|
#define CIC_RANGE_MASK_OFFSET 0
|
|
#define CIC_RANGE_PC_OFFSET (CIC_RANGE_MASK_OFFSET + CIC_RANGE_MASK_LENGTH)
|
|
#define CIC_RANGE_LOWER_OFFSET (CIC_RANGE_PC_OFFSET + CIC_RANGE_PC_LENGTH)
|
|
#define CIC_RANGE_UPPER_OFFSET (CIC_RANGE_LOWER_OFFSET + CIC_RANGE_LOWER_LENGTH)
|
|
|
|
static void
|
|
dissect_m3ua_circuit_range_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 mask;
|
|
guint16 length, number_of_point_codes, point_code_number, lower, upper;
|
|
guint32 pc;
|
|
gint point_code_offset;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
number_of_point_codes = (length - PARAMETER_HEADER_LENGTH) / CIC_RANGE_LENGTH;
|
|
|
|
point_code_offset = PARAMETER_VALUE_OFFSET;
|
|
for(point_code_number = 1; point_code_number <= number_of_point_codes; point_code_number++) {
|
|
mask = tvb_get_guint8(parameter_tvb, point_code_offset + CIC_RANGE_MASK_OFFSET);
|
|
pc = tvb_get_ntoh24(parameter_tvb, point_code_offset + CIC_RANGE_PC_OFFSET);
|
|
lower = tvb_get_ntohs(parameter_tvb, point_code_offset + CIC_RANGE_LOWER_OFFSET);
|
|
upper = tvb_get_ntohs(parameter_tvb, point_code_offset + CIC_RANGE_UPPER_OFFSET);
|
|
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_cic_range_mask, parameter_tvb, point_code_offset + CIC_RANGE_MASK_OFFSET, CIC_RANGE_MASK_LENGTH, mask);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_cic_range_pc, parameter_tvb, point_code_offset + CIC_RANGE_PC_OFFSET, CIC_RANGE_PC_LENGTH, pc);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_cic_range_lower, parameter_tvb, point_code_offset + CIC_RANGE_LOWER_OFFSET, CIC_RANGE_LOWER_LENGTH, lower);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_cic_range_upper, parameter_tvb, point_code_offset + CIC_RANGE_UPPER_OFFSET, CIC_RANGE_UPPER_LENGTH, upper);
|
|
point_code_offset += CIC_RANGE_LENGTH;
|
|
};
|
|
proto_item_set_text(parameter_item, "Circuit range (%u range%s)", number_of_point_codes, plurality(number_of_point_codes, "", "s"));
|
|
}
|
|
|
|
#define DATA_OPC_LENGTH 4
|
|
#define DATA_DPC_LENGTH 4
|
|
#define DATA_SI_LENGTH 1
|
|
#define DATA_NI_LENGTH 1
|
|
#define DATA_MP_LENGTH 1
|
|
#define DATA_SLS_LENGTH 1
|
|
#define DATA_HDR_LENGTH (DATA_OPC_LENGTH + DATA_DPC_LENGTH + DATA_SI_LENGTH + DATA_NI_LENGTH + DATA_MP_LENGTH + DATA_SLS_LENGTH)
|
|
|
|
#define DATA_OPC_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define DATA_DPC_OFFSET (DATA_OPC_OFFSET + DATA_OPC_LENGTH)
|
|
#define DATA_SI_OFFSET (DATA_DPC_OFFSET + DATA_DPC_LENGTH)
|
|
#define DATA_NI_OFFSET (DATA_SI_OFFSET + DATA_SI_LENGTH)
|
|
#define DATA_MP_OFFSET (DATA_NI_OFFSET + DATA_NI_LENGTH)
|
|
#define DATA_SLS_OFFSET (DATA_MP_OFFSET + DATA_MP_LENGTH)
|
|
#define DATA_ULP_OFFSET (DATA_SLS_OFFSET + DATA_SLS_LENGTH)
|
|
|
|
static void
|
|
dissect_m3ua_protocol_data_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 opc, dpc;
|
|
guint16 length, ulp_length;
|
|
guint8 si, ni, mp, sls;
|
|
tvbuff_t *payload_tvb;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
ulp_length = length - PARAMETER_HEADER_LENGTH - DATA_HDR_LENGTH;
|
|
payload_tvb = tvb_new_subset(parameter_tvb, DATA_ULP_OFFSET, ulp_length, ulp_length);
|
|
opc = tvb_get_ntohl(parameter_tvb, DATA_OPC_OFFSET);
|
|
dpc = tvb_get_ntohl(parameter_tvb, DATA_DPC_OFFSET);
|
|
si = tvb_get_guint8(parameter_tvb, DATA_SI_OFFSET);
|
|
ni = tvb_get_guint8(parameter_tvb, DATA_NI_OFFSET);
|
|
mp = tvb_get_guint8(parameter_tvb, DATA_MP_OFFSET);
|
|
sls = tvb_get_guint8(parameter_tvb, DATA_SLS_OFFSET);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_protocol_data_opc, parameter_tvb, DATA_OPC_OFFSET, DATA_OPC_LENGTH, opc);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_protocol_data_dpc, parameter_tvb, DATA_DPC_OFFSET, DATA_DPC_LENGTH, dpc);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_protocol_data_si, parameter_tvb, DATA_SI_OFFSET, DATA_SI_LENGTH, si);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_protocol_data_ni, parameter_tvb, DATA_NI_OFFSET, DATA_NI_LENGTH, ni);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_protocol_data_mp, parameter_tvb, DATA_MP_OFFSET, DATA_MP_LENGTH, mp);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_protocol_data_sls, parameter_tvb, DATA_SLS_OFFSET, DATA_SLS_LENGTH, sls);
|
|
|
|
proto_item_set_text(parameter_item, "Protocol data (SS7 message of %u byte%s)", ulp_length, plurality(ulp_length, "", "s"));
|
|
proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH + DATA_HDR_LENGTH);
|
|
|
|
if (!dissector_try_port(m3ua_si_dissector_table, si, payload_tvb, pinfo, tree)) {
|
|
call_dissector(data_handle, payload_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
#define CORR_ID_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define CORR_ID_LENGTH 4
|
|
|
|
static void
|
|
dissect_m3ua_correlation_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 id;
|
|
|
|
id = tvb_get_ntohl(parameter_tvb, CORR_ID_OFFSET);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_correlation_identifier, parameter_tvb, CORR_ID_OFFSET, CORR_ID_LENGTH, id);
|
|
proto_item_set_text(parameter_item, "Correlation Identifer (%u)", id);
|
|
}
|
|
|
|
#define REG_STATUS_LENGTH 4
|
|
#define REG_STATUS_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static const value_string m3ua_registration_status_values[] = {
|
|
{ 0, "Successfully Registered" },
|
|
{ 1, "Error - Unknown" },
|
|
{ 2, "Error - Invalid DPC" },
|
|
{ 3, "Error - Invalid Network Appearance" },
|
|
{ 4, "Error - Invalid Routing Key" },
|
|
{ 5, "Error - Permission Denied" },
|
|
{ 6, "Error - Cannot Support Unique Routing" },
|
|
{ 7, "Error - Routing Key not Currently Provisioned" },
|
|
{ 8, "Error - Insufficient Resources" },
|
|
{ 9, "Error - Unsupported RK parameter Field" },
|
|
{ 10, "Error - Unsupported/Invalid Traffic Handling Mode" },
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_m3ua_registration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 status;
|
|
|
|
status = tvb_get_ntohl(parameter_tvb, REG_STATUS_OFFSET);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_registration_status, parameter_tvb, REG_STATUS_OFFSET, REG_STATUS_LENGTH, status);
|
|
proto_item_set_text(parameter_item, "Registration status (%s)", val_to_str(status, m3ua_registration_status_values, "unknown"));
|
|
}
|
|
|
|
#define DEREG_STATUS_LENGTH 4
|
|
#define DEREG_STATUS_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static const value_string m3ua_deregistration_status_values[] = {
|
|
{ 0, "Successfully Deregistered" },
|
|
{ 1, "Error - Unknown" },
|
|
{ 2, "Error - Invalid Routing Context" },
|
|
{ 3, "Error - Permission Denied" },
|
|
{ 4, "Error - Not Registered" },
|
|
{ 5, "Error - ASP Currently Active for Routing Context" },
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_m3ua_deregistration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 status;
|
|
|
|
status = tvb_get_ntohl(parameter_tvb, DEREG_STATUS_OFFSET);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_deregistration_status, parameter_tvb, DEREG_STATUS_OFFSET, DEREG_STATUS_LENGTH, status);
|
|
proto_item_set_text(parameter_item, "Deregistration status (%s)", val_to_str(status, m3ua_deregistration_status_values, "unknown"));
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_registration_results_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
tvbuff_t *parameters_tvb;
|
|
guint16 length, parameters_length;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
parameters_length = length - PARAMETER_HEADER_LENGTH;
|
|
parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length);
|
|
dissect_m3ua_parameters(parameters_tvb, pinfo, tree, parameter_tree);
|
|
proto_item_set_text(parameter_item, "Registration results");
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_deregistration_results_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
tvbuff_t *parameters_tvb;
|
|
guint16 length, parameters_length;
|
|
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
parameters_length = length - PARAMETER_HEADER_LENGTH;
|
|
parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length);
|
|
dissect_m3ua_parameters(parameters_tvb, pinfo, tree, parameter_tree);
|
|
proto_item_set_text(parameter_item, "Deregistration results");
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 tag, length, parameter_value_length;
|
|
|
|
tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
|
|
parameter_value_length = length - PARAMETER_HEADER_LENGTH;
|
|
|
|
proto_tree_add_bytes(parameter_tree, hf_m3ua_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length,
|
|
tvb_get_ptr(parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length));
|
|
|
|
proto_item_set_text(parameter_item, "Parameter with tag %u and %u byte%s value", tag, parameter_value_length, plurality(parameter_value_length, "", "s"));
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_v6_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree)
|
|
{
|
|
guint16 tag, length, padding_length, total_length;
|
|
proto_item *parameter_item;
|
|
proto_tree *parameter_tree;
|
|
|
|
/* extract tag and length from the parameter */
|
|
tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
|
|
/* calculate padding and total length */
|
|
padding_length = tvb_length(parameter_tvb) - length;
|
|
total_length = length + padding_length;
|
|
|
|
/* create proto_tree stuff */
|
|
parameter_item = proto_tree_add_text(m3ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, total_length, "Incomplete parameter");
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_m3ua_parameter);
|
|
|
|
/* add tag and length to the m3ua tree */
|
|
proto_tree_add_uint_format(parameter_tree, hf_m3ua_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, tag,
|
|
"Parameter tag: %s (0x%x)", val_to_str(tag, m3ua_v6_parameter_tag_values, "unknown"), tag);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, length);
|
|
|
|
switch(tag) {
|
|
case V6_NETWORK_APPEARANCE_PARAMETER_TAG:
|
|
dissect_m3ua_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_PROTOCOL_DATA_1_PARAMETER_TAG:
|
|
dissect_m3ua_protocol_data_1_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_PROTOCOL_DATA_2_PARAMETER_TAG:
|
|
dissect_m3ua_protocol_data_2_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_INFO_PARAMETER_TAG:
|
|
dissect_m3ua_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_AFFECTED_DESTINATIONS_PARAMETER_TAG:
|
|
dissect_m3ua_affected_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_ROUTING_CONTEXT_PARAMETER_TAG:
|
|
dissect_m3ua_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
|
|
dissect_m3ua_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_HEARTBEAT_DATA_PARAMETER_TAG:
|
|
dissect_m3ua_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_USER_CAUSE_PARAMETER_TAG:
|
|
dissect_m3ua_user_cause_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_REASON_PARAMETER_TAG:
|
|
dissect_m3ua_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_TRAFFIC_MODE_TYPE_PARAMETER_TAG:
|
|
dissect_m3ua_v6_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_ERROR_CODE_PARAMETER_TAG:
|
|
dissect_m3ua_v6_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_STATUS_PARAMETER_TAG:
|
|
dissect_m3ua_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_CONGESTION_INDICATION_PARAMETER_TAG:
|
|
dissect_m3ua_congestion_indication_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_CONCERNED_DESTINATION_PARAMETER_TAG:
|
|
dissect_m3ua_concerned_destination_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_ROUTING_KEY_PARAMETER_TAG:
|
|
dissect_m3ua_routing_key_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_REGISTRATION_RESULT_PARAMETER_TAG:
|
|
dissect_m3ua_v6_registration_result_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_DEREGISTRATION_RESULT_PARAMETER_TAG:
|
|
dissect_m3ua_v6_deregistration_result_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG:
|
|
dissect_m3ua_local_routing_key_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_DESTINATION_POINT_CODE_PARAMETER_TAG:
|
|
dissect_m3ua_destination_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_SERVICE_INDICATORS_PARAMETER_TAG:
|
|
dissect_m3ua_service_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_SUBSYSTEM_NUMBERS_PARAMETER_TAG:
|
|
dissect_m3ua_subsystem_numbers_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG:
|
|
dissect_m3ua_originating_point_code_list_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_CIRCUIT_RANGE_PARAMETER_TAG:
|
|
dissect_m3ua_circuit_range_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_REGISTRATION_RESULTS_PARAMETER_TAG:
|
|
dissect_m3ua_registration_results_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_DEREGISTRATION_RESULTS_PARAMETER_TAG:
|
|
dissect_m3ua_deregistration_results_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
|
|
break;
|
|
default:
|
|
dissect_m3ua_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
};
|
|
|
|
if (padding_length > 0)
|
|
proto_tree_add_bytes(parameter_tree, hf_m3ua_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length,
|
|
tvb_get_ptr(parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length));
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_v10_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree)
|
|
{
|
|
guint16 tag, length, padding_length, total_length;
|
|
proto_item *parameter_item;
|
|
proto_tree *parameter_tree;
|
|
|
|
/* extract tag and length from the parameter */
|
|
tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
|
|
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
|
|
|
/* calculate padding and total length */
|
|
padding_length = tvb_length(parameter_tvb) - length;
|
|
total_length = length + padding_length;
|
|
|
|
/* create proto_tree stuff */
|
|
parameter_item = proto_tree_add_text(m3ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, total_length, "Incomplete parameter");
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_m3ua_parameter);
|
|
|
|
/* add tag and length to the m3ua tree */
|
|
proto_tree_add_uint_format(parameter_tree, hf_m3ua_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, tag,
|
|
"Parameter tag: %s (0x%x)", val_to_str(tag, m3ua_v10_parameter_tag_values, "unknown"), tag);
|
|
proto_tree_add_uint(parameter_tree, hf_m3ua_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, length);
|
|
|
|
switch(tag) {
|
|
case V10_INFO_STRING_PARAMETER_TAG:
|
|
dissect_m3ua_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_ROUTING_CONTEXT_PARAMETER_TAG:
|
|
dissect_m3ua_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
|
|
dissect_m3ua_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_HEARTBEAT_DATA_PARAMETER_TAG:
|
|
dissect_m3ua_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_TRAFFIC_MODE_TYPE_PARAMETER_TAG:
|
|
dissect_m3ua_v10_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_ERROR_CODE_PARAMETER_TAG:
|
|
dissect_m3ua_v10_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_STATUS_PARAMETER_TAG:
|
|
dissect_m3ua_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_ASP_IDENTIFIER_PARAMETER_TAG:
|
|
dissect_m3ua_asp_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_AFFECTED_POINT_CODE_PARAMETER_TAG:
|
|
dissect_m3ua_affected_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_NETWORK_APPEARANCE_PARAMETER_TAG:
|
|
dissect_m3ua_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_USER_CAUSE_PARAMETER_TAG:
|
|
dissect_m3ua_user_cause_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_CONGESTION_INDICATIONS_PARAMETER_TAG:
|
|
dissect_m3ua_congestion_indication_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_CONCERNED_DESTINATION_PARAMETER_TAG:
|
|
dissect_m3ua_concerned_destination_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_ROUTING_KEY_PARAMETER_TAG:
|
|
dissect_m3ua_routing_key_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_REGISTRATION_RESULT_PARAMETER_TAG:
|
|
dissect_m3ua_v10_registration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_DEREGISTRATION_RESULT_PARAMETER_TAG:
|
|
dissect_m3ua_v10_deregistration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG:
|
|
dissect_m3ua_local_routing_key_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_DESTINATION_POINT_CODE_PARAMETER_TAG:
|
|
dissect_m3ua_destination_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_SERVICE_INDICATORS_PARAMETER_TAG:
|
|
dissect_m3ua_service_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG:
|
|
dissect_m3ua_originating_point_code_list_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_CIRCUIT_RANGE_PARAMETER_TAG:
|
|
dissect_m3ua_circuit_range_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_PROTOCOL_DATA_PARAMETER_TAG:
|
|
dissect_m3ua_protocol_data_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_CORRELATION_IDENTIFIER_PARAMETER_TAG:
|
|
dissect_m3ua_correlation_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_REGISTRATION_STATUS_PARAMETER_TAG:
|
|
dissect_m3ua_registration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V10_DEREGISTRATION_STATUS_PARAMETER_TAG:
|
|
dissect_m3ua_deregistration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
default:
|
|
dissect_m3ua_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
};
|
|
|
|
if (padding_length > 0)
|
|
proto_tree_add_bytes(parameter_tree, hf_m3ua_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length,
|
|
tvb_get_ptr(parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length));
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree)
|
|
{
|
|
gint offset, length, padding_length, total_length, remaining_length;
|
|
tvbuff_t *parameter_tvb;
|
|
|
|
offset = 0;
|
|
while((remaining_length = tvb_reported_length_remaining(parameters_tvb, offset))) {
|
|
length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
|
|
padding_length = nr_of_padding_bytes(length);
|
|
if (remaining_length >= length)
|
|
total_length = MIN(length + padding_length, remaining_length);
|
|
else
|
|
total_length = length + padding_length;
|
|
/* create a tvb for the parameter including the padding bytes */
|
|
parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length);
|
|
switch(m3ua_version) {
|
|
case M3UA_V6:
|
|
dissect_m3ua_v6_parameter(parameter_tvb, pinfo, tree, m3ua_tree);
|
|
break;
|
|
case M3UA_V10:
|
|
dissect_m3ua_v10_parameter(parameter_tvb, pinfo, tree, m3ua_tree);
|
|
break;
|
|
}
|
|
/* get rid of the handled parameter */
|
|
offset += total_length;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_m3ua_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree)
|
|
{
|
|
tvbuff_t *common_header_tvb, *parameters_tvb;
|
|
|
|
common_header_tvb = tvb_new_subset(message_tvb, 0, COMMON_HEADER_LENGTH, COMMON_HEADER_LENGTH);
|
|
parameters_tvb = tvb_new_subset(message_tvb, COMMON_HEADER_LENGTH, -1, -1);
|
|
dissect_m3ua_common_header(common_header_tvb, pinfo, m3ua_tree);
|
|
if (m3ua_tree)
|
|
dissect_m3ua_parameters(parameters_tvb, pinfo, tree, m3ua_tree);
|
|
}
|
|
|
|
static void
|
|
dissect_m3ua(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *m3ua_item;
|
|
proto_tree *m3ua_tree;
|
|
|
|
/* make entry in the Protocol column on summary display */
|
|
if (check_col(pinfo->cinfo, COL_PROTOCOL))
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "M3UA");
|
|
|
|
/* In the interest of speed, if "tree" is NULL, don't do any work not
|
|
necessary to generate protocol tree items. */
|
|
if (tree) {
|
|
/* create the m3ua protocol tree */
|
|
m3ua_item = proto_tree_add_item(tree, proto_m3ua, message_tvb, 0, -1, FALSE);
|
|
m3ua_tree = proto_item_add_subtree(m3ua_item, ett_m3ua);
|
|
} else {
|
|
m3ua_tree = NULL;
|
|
};
|
|
/* dissect the message */
|
|
dissect_m3ua_message(message_tvb, pinfo, tree, m3ua_tree);
|
|
}
|
|
|
|
/* Register the protocol with Ethereal */
|
|
void
|
|
proto_register_m3ua(void)
|
|
{
|
|
|
|
/* Setup list of header fields */
|
|
static hf_register_info hf[] = {
|
|
{ &hf_m3ua_version,
|
|
{ "Version", "m3ua.version",
|
|
FT_UINT8, BASE_DEC, VALS(m3ua_protocol_version_values), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_reserved,
|
|
{ "Reserved", "m3ua.reserved",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_message_class,
|
|
{ "Message class", "m3ua.message_class",
|
|
FT_UINT8, BASE_DEC, VALS(m3ua_message_class_values), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_message_type,
|
|
{ "Message Type", "m3ua.message_type",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_message_length,
|
|
{ "Message length", "m3ua.message_length",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_parameter_tag,
|
|
{ "Parameter Tag", "m3ua.parameter_tag",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_parameter_length,
|
|
{ "Parameter length", "m3ua.parameter_length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_parameter_value,
|
|
{ "Paramter value", "m3ua.parameter_value",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_parameter_padding,
|
|
{ "Padding", "m3ua.parameter_padding",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_info_string,
|
|
{ "Info string", "m3ua.info_string",
|
|
FT_STRING, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_routing_context,
|
|
{ "Routing context", "m3ua.routing_context",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_diagnostic_information,
|
|
{ "Diagnostic information", "m3ua.diagnostic_information",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_heartbeat_data,
|
|
{ "Heartbeat data", "m3ua.heartbeat_data",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_error_code,
|
|
{ "Error code", "m3ua.error_code",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_status_type,
|
|
{ "Status type", "m3ua.status_type",
|
|
FT_UINT16, BASE_DEC, VALS(m3ua_status_type_values), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_status_info,
|
|
{ "Status info", "m3ua.status_info",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_asp_identifier,
|
|
{ "ASP identifier", "m3ua.asp_identifier",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_affected_point_code_mask,
|
|
{ "Mask", "m3ua.affected_point_code_mask",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_affected_point_code_pc,
|
|
{ "Affected point code", "m3ua.affected_point_code_pc",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_network_appearance,
|
|
{ "Network appearance", "m3ua.network_appearance",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_unavailability_cause,
|
|
{ "Unavailability cause", "m3ua.unavailability_cause",
|
|
FT_UINT16, BASE_DEC, VALS(m3ua_unavailability_cause_values), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_user_identity,
|
|
{ "User Identity", "m3ua.user_identity",
|
|
FT_UINT16, BASE_DEC, VALS(m3ua_user_identity_values), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_congestion_reserved,
|
|
{ "Reserved", "m3ua.congestion_reserved",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_congestion_level,
|
|
{ "Congestion level", "m3ua.congestion_level",
|
|
FT_UINT8, BASE_DEC, VALS(m3ua_congestion_level_values), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_concerned_dest_reserved,
|
|
{ "Reserved", "m3ua.concerned_reserved",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_concerned_dest_pc,
|
|
{ "Concerned DPC", "m3ua.concerned_dpc",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_dpc_mask,
|
|
{ "Mask", "m3ua.dpc_mask",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_dpc_pc,
|
|
{ "Destination point code", "m3ua.dpc_pc",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_si,
|
|
{ "Service indicator", "m3ua_si",
|
|
FT_UINT8, BASE_DEC, VALS(m3ua_user_identity_values), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_ssn,
|
|
{ "Subsystem number", "m3ua_ssn",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_opc_list_mask,
|
|
{ "Mask", "m3ua.opc_list_mask",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_opc_list_pc,
|
|
{ "Originating point code", "m3ua.opc_list_pc",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_cic_range_mask,
|
|
{ "Mask", "m3ua.cic_range_mask",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_cic_range_pc,
|
|
{ "Originating point code", "m3ua.cic_range_pc",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_cic_range_lower,
|
|
{ "Lower CIC value", "m3ua.cic_range_lower",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_cic_range_upper,
|
|
{ "Upper CIC value", "m3ua.cic_range_upper",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_local_rk_identifier,
|
|
{ "Local routing key identifier", "m3ua.local_rk_identifier",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_li,
|
|
{ "Length indicator", "m3ua.protocol_data_2_li",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_protocol_data_opc,
|
|
{ "OPC", "m3ua.protocol_data_opc",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_protocol_data_dpc,
|
|
{ "DPC", "m3ua.protocol_data_dpc",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_protocol_data_si,
|
|
{ "SI", "m3ua.protocol_data_si",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_protocol_data_ni,
|
|
{ "NI", "m3ua.protocol_data_ni",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_protocol_data_mp,
|
|
{ "MP", "m3ua.protocol_data_mp",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_protocol_data_sls,
|
|
{ "SLS", "m3ua.protocol_data_sls",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_correlation_identifier,
|
|
{ "Correlation Identifier", "m3ua.correlation_identifier",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_registration_status,
|
|
{ "Registration status", "m3ua.registration_status",
|
|
FT_UINT32, BASE_HEX, VALS(m3ua_registration_status_values), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_deregistration_status,
|
|
{ "Deregistration status", "m3ua.deregistration_status",
|
|
FT_UINT32, BASE_HEX, VALS(m3ua_deregistration_status_values), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_reason,
|
|
{ "Reason", "m3ua_reason",
|
|
FT_UINT32, BASE_DEC, VALS(m3ua_reason_values), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_traffic_mode_type,
|
|
{ "Traffic mode Type", "m3ua.traffic_mode_type",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_registration_result_identifier,
|
|
{ "Local RK-identifier value", "m3ua.registration_result_identifier",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_registration_result_status,
|
|
{ "Registration status", "m3ua.registration_results_status",
|
|
FT_UINT32, BASE_DEC, VALS(m3ua_registration_result_status_values), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_registration_result_context,
|
|
{ "Routing context", "m3ua.registration_result_routing_context",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_deregistration_result_status,
|
|
{ "De-Registration status", "m3ua.deregistration_results_status",
|
|
FT_UINT32, BASE_DEC, VALS(m3ua_deregistration_result_status_values), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_m3ua_deregistration_result_context,
|
|
{ "Routing context", "m3ua.deregistration_result_routing_context",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }
|
|
},
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_m3ua,
|
|
&ett_m3ua_parameter,
|
|
};
|
|
|
|
static enum_val_t m3ua_options[] = {
|
|
{ "Internet Draft version 6", M3UA_V6 },
|
|
{ "Internet Draft version 10", M3UA_V10 },
|
|
{ NULL, 0 }
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_m3ua = proto_register_protocol("MTP 3 User Adaptation Layer", "M3UA", "m3ua");
|
|
m3ua_module = prefs_register_protocol(proto_m3ua, NULL);
|
|
prefs_register_enum_preference(m3ua_module,
|
|
"version", "M3UA Version", "Internet Draft version used by Ethereal",
|
|
&m3ua_version, m3ua_options, FALSE);
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_m3ua, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
m3ua_si_dissector_table = register_dissector_table("m3ua.protocol_data_si", "MTP3 Service indicator", FT_UINT8, BASE_HEX);
|
|
|
|
};
|
|
|
|
void
|
|
proto_reg_handoff_m3ua(void)
|
|
{
|
|
dissector_handle_t m3ua_handle;
|
|
|
|
/*
|
|
* Get a handle for the MTP3 dissector.
|
|
*/
|
|
mtp3_handle = find_dissector("mtp3");
|
|
data_handle = find_dissector("data");
|
|
m3ua_handle = create_dissector_handle(dissect_m3ua, proto_m3ua);
|
|
dissector_add("sctp.ppi", M3UA_PAYLOAD_PROTO_ID, m3ua_handle);
|
|
dissector_add("sctp.port", SCTP_PORT_M3UA, m3ua_handle);
|
|
}
|