forked from osmocom/wireshark
2176 lines
115 KiB
C
2176 lines
115 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) compliant to
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* http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m3ua-05.txt (expired)
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* http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m3ua-06.txt (expired)
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* http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m3ua-07.txt (expired)
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* http://www.ietf.org/rfc/rfc3332.txt
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* http://datatracker.ietf.org/doc/rfc4666/
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*
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* Copyright 2000, 2001, 2002, 2003, 2004 Michael Tuexen <tuexen [AT] fh-muenster.de>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/prefs.h>
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#include <epan/sctpppids.h>
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#include <wsutil/str_util.h>
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#include "packet-mtp3.h"
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#include "packet-sccp.h"
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#include "packet-frame.h"
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#include "packet-q708.h"
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#include <epan/tap.h>
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void proto_register_m3ua(void);
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void proto_reg_handoff_m3ua(void);
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static gint m3ua_pref_mtp3_standard;
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#define SCTP_PORT_M3UA 2905
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#define ADD_PADDING(x) ((((x) + 3) >> 2) << 2)
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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 PROTOCOL_VERSION_RELEASE_1 1
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static const value_string 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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#define MESSAGE_CLASS_RKM_MESSAGE 9
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static const value_string 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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{ MESSAGE_CLASS_RKM_MESSAGE, "Routing key management messages" },
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{ 0, NULL } };
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static const value_string v5_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_DRST 6
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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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#define MESSAGE_TYPE_REG_REQ 1
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#define MESSAGE_TYPE_REG_RSP 2
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#define MESSAGE_TYPE_DEREG_REQ 3
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#define MESSAGE_TYPE_DEREG_RSP 4
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static const value_string v5_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 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_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DRST, "Destination Restricted (DRST)" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP up (ASPUP)" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down (ASPDN)" },
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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 (ASPUP_ACK)" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack (ASPDN_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 (ASPAC)" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive (ASPIA)" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack (ASPAC_ACK)" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack (ASPIA_ACK)" },
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{ MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "Registration request (REG_REQ)" },
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{ MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "Registration response (REG_RSP)" },
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{ MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "Deregistration request (DEREG_REQ)" },
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{ MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "Deregistration response (DEREG_RSP)" },
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{ 0, NULL } };
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static const value_string v5_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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static const value_string 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_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DRST, "DRST" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASPUP" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASPDN" },
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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, "ASPUP_ACK" },
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{ MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASPDN_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 , "ASPAC" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASPIA" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASPAC_ACK" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASPIA_ACK" },
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{ MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "REG_REQ" },
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{ MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "REG_RSP" },
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{ MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "DEREG_REQ" },
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{ MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "DEREG_RSP" },
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{ 0, NULL } };
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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_version = -1;
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static int hf_reserved = -1;
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static int hf_message_class = -1;
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static int hf_v5_message_class = -1;
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static int hf_message_type = -1;
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static int hf_message_length = -1;
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static int hf_v5_parameter_tag = -1;
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static int hf_v6_parameter_tag = -1;
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static int hf_v7_parameter_tag = -1;
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static int hf_parameter_tag = -1;
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static int hf_parameter_length = -1;
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static int hf_parameter_value = -1;
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static int hf_parameter_padding = -1;
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/* static int hf_parameter_trailer = -1; */
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static int hf_network_appearance = -1;
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static int hf_info_string = -1;
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static int hf_routing_context = -1;
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static int hf_diagnostic_information = -1;
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static int hf_heartbeat_data = -1;
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static int hf_v5_error_code = -1;
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static int hf_v6_error_code = -1;
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static int hf_v7_error_code = -1;
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static int hf_error_code = -1;
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static int hf_status_type = -1;
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static int hf_status_info = -1;
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static int hf_asp_identifier = -1;
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static int hf_affected_point_code_mask = -1;
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static int hf_affected_point_code_pc = -1;
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static int hf_cause = -1;
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static int hf_user = -1;
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static int hf_reason = -1;
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static int hf_v5_traffic_mode_type = -1;
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static int hf_v6_traffic_mode_type = -1;
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static int hf_v7_traffic_mode_type = -1;
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static int hf_traffic_mode_type = -1;
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static int hf_congestion_reserved = -1;
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static int hf_congestion_level = -1;
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static int hf_concerned_dest_reserved = -1;
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static int hf_concerned_dest_pc = -1;
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static int hf_local_rk_identifier = -1;
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static int hf_dpc_mask = -1;
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static int hf_dpc_pc = -1;
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static int hf_si = -1;
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static int hf_ssn = -1;
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static int hf_opc_list_mask = -1;
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static int hf_opc_list_pc = -1;
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static int hf_cic_range_mask = -1;
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static int hf_cic_range_pc = -1;
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static int hf_cic_range_upper = -1;
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static int hf_cic_range_lower = -1;
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static int hf_protocol_data_opc = -1;
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static int hf_protocol_data_dpc = -1;
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static int hf_protocol_data_mtp3_opc = -1;
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static int hf_protocol_data_mtp3_dpc = -1;
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static int hf_protocol_data_mtp3_pc = -1;
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static int hf_protocol_data_si = -1;
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static int hf_protocol_data_ni = -1;
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static int hf_protocol_data_mtp3_ni = -1;
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static int hf_protocol_data_mp = -1;
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static int hf_protocol_data_sls = -1;
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static int hf_protocol_data_mtp3_sls = -1;
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static int hf_correlation_identifier = -1;
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static int hf_registration_status = -1;
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static int hf_deregistration_status = -1;
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static int hf_registration_result_identifier = -1;
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static int hf_registration_result_status = -1;
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static int hf_registration_result_context = -1;
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static int hf_v6_deregistration_result_status = -1;
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static int hf_v6_deregistration_result_context = -1;
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static int hf_li = -1;
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static int hf_heuristic_standard = -1;
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static int m3ua_tap = -1;
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/* Initialize the subtree pointers */
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static gint ett_m3ua = -1;
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static gint ett_parameter = -1;
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static gint ett_mtp3_equiv = -1;
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static gint ett_q708_opc = -1;
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static gint ett_q708_dpc = -1;
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static module_t *m3ua_module;
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static dissector_handle_t mtp3_handle, data_handle;
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static dissector_table_t si_dissector_table;
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/* stuff for supporting multiple versions */
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typedef enum {
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M3UA_V5,
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M3UA_V6,
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M3UA_V7,
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M3UA_RFC
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} Version_Type;
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static gint version = M3UA_RFC;
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static void
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dissect_parameters(tvbuff_t *, packet_info *, proto_tree *, proto_tree *);
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static void
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dissect_v5_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *m3ua_tree)
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{
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guint8 message_class, message_type;
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/* Extract the common header */
|
|
message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET);
|
|
message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET);
|
|
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str_const(message_class * 256 + message_type, v5_message_class_type_acro_values, "reserved"));
|
|
|
|
if (m3ua_tree) {
|
|
/* add the components of the common header to the protocol tree */
|
|
proto_tree_add_item(m3ua_tree, hf_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(m3ua_tree, hf_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(m3ua_tree, hf_v5_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_uint_format_value(m3ua_tree, hf_message_type, common_header_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, message_type,
|
|
"%s (%u)", val_to_str_const(message_class * 256 + message_type, v5_message_class_type_values, "reserved"), message_type);
|
|
proto_tree_add_item(m3ua_tree, hf_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *m3ua_tree)
|
|
{
|
|
guint8 message_class, message_type;
|
|
|
|
/* Extract the common header */
|
|
message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET);
|
|
message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET);
|
|
|
|
col_add_fstr(pinfo->cinfo, COL_INFO,"%s ", val_to_str_const(message_class * 256 + message_type, message_class_type_acro_values, "reserved"));
|
|
|
|
if (m3ua_tree) {
|
|
/* add the components of the common header to the protocol tree */
|
|
proto_tree_add_item(m3ua_tree, hf_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(m3ua_tree, hf_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(m3ua_tree, hf_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_uint_format_value(m3ua_tree, hf_message_type, common_header_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, message_type,
|
|
"%s (%u)", val_to_str_const(message_class * 256 + message_type, message_class_type_values, "reserved"), message_type);
|
|
proto_tree_add_item(m3ua_tree, hf_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
|
|
#define NETWORK_APPEARANCE_LENGTH 4
|
|
#define NETWORK_APPEARANCE_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_network_appearance_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_network_appearance, parameter_tvb, NETWORK_APPEARANCE_OFFSET, NETWORK_APPEARANCE_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, NETWORK_APPEARANCE_OFFSET));
|
|
}
|
|
|
|
#define V5_PROTOCOL_DATA_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_v5_protocol_data_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *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_length(parameter_tvb, V5_PROTOCOL_DATA_OFFSET, protocol_data_length);
|
|
proto_item_append_text(parameter_item, " (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 INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 info_string_length;
|
|
|
|
info_string_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
|
|
proto_tree_add_item(parameter_tree, hf_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, ENC_ASCII|ENC_NA);
|
|
proto_item_append_text(parameter_item, " (%.*s)", info_string_length,
|
|
tvb_format_text(parameter_tvb, INFO_STRING_OFFSET, info_string_length));
|
|
}
|
|
|
|
#define AFFECTED_MASK_LENGTH 1
|
|
#define AFFECTED_DPC_LENGTH 3
|
|
#define AFFECTED_DESTINATION_LENGTH (AFFECTED_MASK_LENGTH + AFFECTED_DPC_LENGTH)
|
|
|
|
#define AFFECTED_MASK_OFFSET 0
|
|
#define AFFECTED_DPC_OFFSET 1
|
|
|
|
static void
|
|
dissect_affected_destinations_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 number_of_destinations, destination_number;
|
|
gint destination_offset;
|
|
proto_item *item;
|
|
|
|
number_of_destinations = (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) >> 2;
|
|
destination_offset = PARAMETER_VALUE_OFFSET;
|
|
for(destination_number=0; destination_number < number_of_destinations; destination_number++) {
|
|
proto_tree_add_item(parameter_tree, hf_affected_point_code_mask, parameter_tvb, destination_offset + AFFECTED_MASK_OFFSET, AFFECTED_MASK_LENGTH, ENC_BIG_ENDIAN);
|
|
item = proto_tree_add_item(parameter_tree, hf_affected_point_code_pc, parameter_tvb, destination_offset + AFFECTED_DPC_OFFSET, AFFECTED_DPC_LENGTH, ENC_BIG_ENDIAN);
|
|
if (mtp3_pc_structured())
|
|
proto_item_append_text(item, " (%s)", mtp3_pc_to_str(tvb_get_ntoh24(parameter_tvb, destination_offset + AFFECTED_DPC_OFFSET)));
|
|
destination_offset += AFFECTED_DESTINATION_LENGTH;
|
|
}
|
|
proto_item_append_text(parameter_item, " (%u destination%s)", number_of_destinations, plurality(number_of_destinations, "", "s"));
|
|
}
|
|
|
|
#define ROUTING_CONTEXT_LENGTH 4
|
|
|
|
static void
|
|
dissect_routing_context_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 number_of_contexts, context_number;
|
|
gint context_offset;
|
|
|
|
number_of_contexts = (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) >> 2;
|
|
context_offset = PARAMETER_VALUE_OFFSET;
|
|
for(context_number=0; context_number < number_of_contexts; context_number++) {
|
|
proto_tree_add_item(parameter_tree, hf_routing_context, parameter_tvb, context_offset, ROUTING_CONTEXT_LENGTH, ENC_BIG_ENDIAN);
|
|
context_offset += ROUTING_CONTEXT_LENGTH;
|
|
};
|
|
proto_item_append_text(parameter_item, " (%u context%s)", number_of_contexts, plurality(number_of_contexts, "", "s"));
|
|
}
|
|
|
|
#define DIAGNOSTIC_INFO_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 diag_info_length;
|
|
|
|
diag_info_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
|
|
proto_tree_add_item(parameter_tree, hf_diagnostic_information, parameter_tvb, DIAGNOSTIC_INFO_OFFSET, diag_info_length, ENC_NA);
|
|
proto_item_append_text(parameter_item, " (%u byte%s)", diag_info_length, plurality(diag_info_length, "", "s"));
|
|
}
|
|
|
|
#define HEARTBEAT_DATA_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 heartbeat_data_length;
|
|
|
|
heartbeat_data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
|
|
proto_tree_add_item(parameter_tree, hf_heartbeat_data, parameter_tvb, HEARTBEAT_DATA_OFFSET, heartbeat_data_length, ENC_NA);
|
|
proto_item_append_text(parameter_item, " (%u byte%s)", heartbeat_data_length, plurality(heartbeat_data_length, "", "s"));
|
|
}
|
|
|
|
#define UNKNOWN_UNAVAIL_CAUSE 0
|
|
#define UNEQUIPPED_REMOTE_USER_UNAVAIL_CAUSE 1
|
|
#define INACCESSIBLE_REMOTE_USER_UNAVAIL_CAUSE 2
|
|
|
|
static const value_string unavailability_cause_values[] = {
|
|
{ UNKNOWN_UNAVAIL_CAUSE, "Unknown" },
|
|
{ UNEQUIPPED_REMOTE_USER_UNAVAIL_CAUSE, "Unequipped remote user" },
|
|
{ INACCESSIBLE_REMOTE_USER_UNAVAIL_CAUSE, "Inaccessible 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
|
|
#define RESERVED_11_USER_ID 11
|
|
#define AAL_2_SIGNALING_USER_ID 12
|
|
#define BICC_USER_ID 13
|
|
#define GATEWAY_CONTROL_PROTOCOL_USER_ID 14
|
|
#define RESERVED_15_USER_ID 15
|
|
|
|
static const value_string 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" },
|
|
{ RESERVED_11_USER_ID, "Reserved" },
|
|
{ AAL_2_SIGNALING_USER_ID,"AAL type2 Signaling"},
|
|
{ BICC_USER_ID, "Bearer Independent Call Control (BICC)"},
|
|
{ GATEWAY_CONTROL_PROTOCOL_USER_ID, "Gateway Control Protocol"},
|
|
{ RESERVED_15_USER_ID, "Reserved" },
|
|
|
|
{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_user_cause_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_cause, parameter_tvb, CAUSE_OFFSET, CAUSE_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(parameter_tree, hf_user, parameter_tvb, USER_OFFSET, USER_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s: %s)",
|
|
val_to_str_const(tvb_get_ntohs(parameter_tvb, USER_OFFSET), user_identity_values, "Unknown user"),
|
|
val_to_str_const(tvb_get_ntohs(parameter_tvb, CAUSE_OFFSET), unavailability_cause_values, "unknown cause"));
|
|
}
|
|
|
|
#define UNSPECIFIED_REASON 0
|
|
#define USER_UNAVAILABLE_REASON 1
|
|
#define MANAGEMENT_BLOCKING_REASON 2
|
|
|
|
static const value_string reason_values[] = {
|
|
{ UNSPECIFIED_REASON, "Unspecified" },
|
|
{ USER_UNAVAILABLE_REASON, "User unavailable" },
|
|
{ MANAGEMENT_BLOCKING_REASON, "Management blocking" },
|
|
{0, NULL } };
|
|
|
|
#define REASON_LENGTH 4
|
|
#define REASON_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_reason, parameter_tvb, REASON_OFFSET, REASON_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, REASON_OFFSET), reason_values, "unknown"));
|
|
}
|
|
|
|
#define TRAFFIC_MODE_TYPE_LENGTH 4
|
|
#define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static const value_string v5_traffic_mode_type_values[] = {
|
|
{ 1, "Over-ride" },
|
|
{ 2, "Load-share" },
|
|
{ 3, "Over-ride (standby)" },
|
|
{ 4, "Load-share (standby)" },
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_v5_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_v5_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), v5_traffic_mode_type_values, "unknown"));
|
|
}
|
|
|
|
static const value_string v6_traffic_mode_type_values[] = {
|
|
{ 1, "Over-ride" },
|
|
{ 2, "Load-share" },
|
|
{ 3, "Over-ride (standby)" },
|
|
{ 4, "Load-share (standby)" },
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_v6_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_v6_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), v6_traffic_mode_type_values, "unknown"));
|
|
}
|
|
|
|
static const value_string v7_traffic_mode_type_values[] = {
|
|
{ 1, "Over-ride" },
|
|
{ 2, "Load-share" },
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_v7_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_v7_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), v7_traffic_mode_type_values, "unknown"));
|
|
}
|
|
|
|
static const value_string traffic_mode_type_values[] = {
|
|
{ 1, "Over-ride" },
|
|
{ 2, "Load-share" },
|
|
{ 3, "Broadcast" },
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), traffic_mode_type_values, "unknown"));
|
|
}
|
|
|
|
#define ERROR_CODE_LENGTH 4
|
|
#define ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static const value_string v5_error_code_values[] = {
|
|
{ 1, "Invalid version" },
|
|
{ 2, "Invalid network appearance" },
|
|
{ 3, "Unsupported message class" },
|
|
{ 4, "Unsupported message type" },
|
|
{ 5, "Invalid traffic handling mode" },
|
|
{ 6, "Unexpected message" },
|
|
{ 7, "Protocol error" },
|
|
{ 8, "Invalid routing context" },
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_v5_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_v5_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET), v5_error_code_values, "unknown"));
|
|
}
|
|
|
|
static const value_string v6_error_code_values[] = {
|
|
{ 1, "Invalid version" },
|
|
{ 2, "Invalid network appearance" },
|
|
{ 3, "Unsupported message class" },
|
|
{ 4, "Unsupported message type" },
|
|
{ 5, "Invalid traffic handling mode" },
|
|
{ 6, "Unexpected message" },
|
|
{ 7, "Protocol error" },
|
|
{ 8, "Invalid routing context" },
|
|
{ 9, "Invalid stream identifier" },
|
|
{ 10, "Invalid parameter value" },
|
|
{ 0, NULL } };
|
|
|
|
|
|
static void
|
|
dissect_v6_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_v6_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET), v6_error_code_values, "unknown"));
|
|
}
|
|
|
|
static const value_string v7_error_code_values[] = {
|
|
{ 1, "Invalid version" },
|
|
{ 2, "Invalid network appearance" },
|
|
{ 3, "Unsupported message class" },
|
|
{ 4, "Unsupported message type" },
|
|
{ 5, "Invalid traffic handling mode" },
|
|
{ 6, "Unexpected message" },
|
|
{ 7, "Protocol error" },
|
|
{ 8, "Invalid routing context" },
|
|
{ 9, "Invalid stream identifier" },
|
|
{ 10, "Invalid parameter value" },
|
|
{ 11, "Refused - Management Blocking" },
|
|
{ 12, "Unknown Routing Context" },
|
|
{ 0, NULL } };
|
|
|
|
|
|
static void
|
|
dissect_v7_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_v7_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET), v7_error_code_values, "unknown"));
|
|
}
|
|
|
|
static const value_string error_code_values[] = {
|
|
{ 0x01, "Invalid version" },
|
|
{ 0x03, "Unsupported message class" },
|
|
{ 0x04, "Unsupported message type" },
|
|
{ 0x05, "Unsupported traffic handling mode" },
|
|
{ 0x06, "Unexpected message" },
|
|
{ 0x07, "Protocol error" },
|
|
{ 0x09, "Invalid stream identifier" },
|
|
{ 0x0d, "Refused - management blocking" },
|
|
{ 0x0e, "ASP identifier required" },
|
|
{ 0x0f, "Invalid ASP identifier" },
|
|
{ 0x11, "Invalid parameter value" },
|
|
{ 0x12, "Parameter field error" },
|
|
{ 0x13, "Unexpected parameter" },
|
|
{ 0x14, "Destination status unknown" },
|
|
{ 0x15, "Invalid network appearance" },
|
|
{ 0x16, "Missing parameter" },
|
|
{ 0x19, "Invalid routing context" },
|
|
{ 0x1a, "No configured AS for ASP" },
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET), error_code_values, "unknown"));
|
|
}
|
|
|
|
#define AS_STATE_CHANGE_TYPE 1
|
|
#define OTHER_TYPE 2
|
|
|
|
static const value_string 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 v567_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" },
|
|
{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_v567_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_item(parameter_tree, hf_status_type, parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_uint_format_value(parameter_tree, hf_status_info, parameter_tvb, STATUS_INFO_OFFSET, STATUS_INFO_LENGTH, status_info,
|
|
"%s (%u)", val_to_str_const(status_type * 256 * 256 + status_info, v567_status_type_info_values, "unknown"), status_info);
|
|
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(status_type * 256 * 256 + status_info, v567_status_type_info_values, "unknown status information"));
|
|
}
|
|
|
|
static const value_string 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 } };
|
|
|
|
static void
|
|
dissect_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_item(parameter_tree, hf_status_type, parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_uint_format_value(parameter_tree, hf_status_info, parameter_tvb, STATUS_INFO_OFFSET, STATUS_INFO_LENGTH, status_info,
|
|
"%s (%u)", val_to_str_const(status_type * 256 * 256 + status_info, status_type_info_values, "unknown"), status_info);
|
|
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(status_type * 256 * 256 + status_info, status_type_info_values, "unknown status information"));
|
|
}
|
|
|
|
static const value_string congestion_level_values[] = {
|
|
{ 0, "No congestion or undefined" },
|
|
{ 1, "Congestion level 1" },
|
|
{ 2, "Congestion level 2" },
|
|
{ 3, "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_congestion_indication_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_congestion_reserved, parameter_tvb, CONG_IND_RESERVED_OFFSET, CONG_IND_RESERVED_LENGTH, ENC_NA);
|
|
proto_tree_add_item(parameter_tree, hf_congestion_level, parameter_tvb, CONG_IND_LEVEL_OFFSET, CONG_IND_LEVEL_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_guint8(parameter_tvb, CONG_IND_LEVEL_OFFSET), congestion_level_values, "unknown"));
|
|
}
|
|
|
|
#define ASP_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define ASP_IDENTIFIER_LENGTH 4
|
|
|
|
static void
|
|
dissect_asp_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_asp_identifier, parameter_tvb, ASP_IDENTIFIER_OFFSET, ASP_IDENTIFIER_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, ASP_IDENTIFIER_OFFSET));
|
|
}
|
|
|
|
#define PROTOCOL_DATA_1_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_protocol_data_1_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_item *parameter_item)
|
|
{
|
|
guint16 protocol_data_length;
|
|
tvbuff_t *payload_tvb;
|
|
|
|
protocol_data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
|
|
payload_tvb = tvb_new_subset_length(parameter_tvb, PROTOCOL_DATA_1_OFFSET, protocol_data_length);
|
|
proto_item_append_text(parameter_item, " (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
|
|
#define PROTOCOL_DATA_2_OFFSET (PARAMETER_VALUE_OFFSET + LI_OCTETT_LENGTH)
|
|
|
|
static void
|
|
dissect_protocol_data_2_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 protocol_data_length;
|
|
tvbuff_t *payload_tvb;
|
|
|
|
protocol_data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH - LI_OCTETT_LENGTH;
|
|
payload_tvb = tvb_new_subset_length(parameter_tvb, PROTOCOL_DATA_2_OFFSET, protocol_data_length);
|
|
proto_tree_add_item(parameter_tree, hf_li, parameter_tvb, LI_OCTETT_OFFSET, LI_OCTETT_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (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);
|
|
}
|
|
|
|
|
|
|
|
#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_concerned_destination_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *item;
|
|
|
|
proto_tree_add_item(parameter_tree, hf_concerned_dest_reserved, parameter_tvb, CON_DEST_RESERVED_OFFSET, CON_DEST_RESERVED_LENGTH, ENC_NA);
|
|
item = proto_tree_add_item(parameter_tree, hf_concerned_dest_pc, parameter_tvb, CON_DEST_PC_OFFSET, CON_DEST_PC_LENGTH, ENC_BIG_ENDIAN);
|
|
if (mtp3_pc_structured())
|
|
proto_item_append_text(item, " (%s)", mtp3_pc_to_str(tvb_get_ntoh24(parameter_tvb, CON_DEST_PC_OFFSET)));
|
|
proto_item_append_text(parameter_item, " (%s)", mtp3_pc_to_str(tvb_get_ntoh24(parameter_tvb, CON_DEST_PC_OFFSET)));
|
|
}
|
|
|
|
static void
|
|
dissect_routing_key_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree)
|
|
{
|
|
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_length(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length);
|
|
dissect_parameters(parameters_tvb, pinfo, tree, parameter_tree);
|
|
}
|
|
|
|
static const value_string 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_v67_registration_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_registration_result_identifier, parameter_tvb, REG_RES_IDENTIFIER_OFFSET, REG_RES_IDENTIFIER_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(parameter_tree, hf_registration_result_status, parameter_tvb, REG_RES_STATUS_OFFSET, REG_RES_STATUS_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(parameter_tree, hf_registration_result_context, parameter_tvb, REG_RES_CONTEXT_OFFSET, REG_RES_CONTEXT_LENGTH, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void
|
|
dissect_registration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree)
|
|
{
|
|
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_length(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length);
|
|
dissect_parameters(parameters_tvb, pinfo, tree, parameter_tree);
|
|
}
|
|
|
|
static const value_string v6_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_v67_deregistration_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_v6_deregistration_result_context, parameter_tvb, DEREG_RES_CONTEXT_OFFSET, DEREG_RES_CONTEXT_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(parameter_tree, hf_v6_deregistration_result_status, parameter_tvb, DEREG_RES_STATUS_OFFSET, DEREG_RES_STATUS_LENGTH, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void
|
|
dissect_deregistration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree)
|
|
{
|
|
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_length(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length);
|
|
dissect_parameters(parameters_tvb, pinfo, tree, parameter_tree);
|
|
}
|
|
|
|
|
|
#define LOCAL_RK_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define LOCAL_RK_IDENTIFIER_LENGTH 4
|
|
|
|
static void
|
|
dissect_local_routing_key_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_local_rk_identifier, parameter_tvb, LOCAL_RK_IDENTIFIER_OFFSET, LOCAL_RK_IDENTIFIER_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, LOCAL_RK_IDENTIFIER_OFFSET));
|
|
}
|
|
|
|
#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_destination_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *item;
|
|
|
|
proto_tree_add_item(parameter_tree, hf_dpc_mask, parameter_tvb, DPC_MASK_OFFSET, DPC_MASK_LENGTH, ENC_BIG_ENDIAN);
|
|
item = proto_tree_add_item(parameter_tree, hf_dpc_pc, parameter_tvb, DPC_PC_OFFSET, DPC_PC_LENGTH, ENC_BIG_ENDIAN);
|
|
if (mtp3_pc_structured())
|
|
proto_item_append_text(item, " (%s)", mtp3_pc_to_str(tvb_get_ntoh24(parameter_tvb, DPC_PC_OFFSET)));
|
|
proto_item_append_text(parameter_item, " (%s)", mtp3_pc_to_str(tvb_get_ntoh24(parameter_tvb, DPC_PC_OFFSET)));
|
|
}
|
|
|
|
#define SI_LENGTH 1
|
|
|
|
static void
|
|
dissect_service_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
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=0; si_number < number_of_sis; si_number++) {
|
|
proto_tree_add_item(parameter_tree, hf_si, parameter_tvb, si_offset, SI_LENGTH, ENC_BIG_ENDIAN);
|
|
si_offset += SI_LENGTH;
|
|
};
|
|
proto_item_append_text(parameter_item, " (%u indicator%s)", number_of_sis, plurality(number_of_sis, "", "s"));
|
|
|
|
}
|
|
#define SSN_LENGTH 1
|
|
|
|
static void
|
|
dissect_subsystem_numbers_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
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=0; ssn_number < number_of_ssns; ssn_number++) {
|
|
proto_tree_add_item(parameter_tree, hf_ssn, parameter_tvb, ssn_offset, SSN_LENGTH, ENC_BIG_ENDIAN);
|
|
ssn_offset += SSN_LENGTH;
|
|
};
|
|
proto_item_append_text(parameter_item, " (%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_originating_point_code_list_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 length, number_of_point_codes, point_code_number;
|
|
gint point_code_offset;
|
|
proto_item *item;
|
|
|
|
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=0; point_code_number < number_of_point_codes; point_code_number++) {
|
|
proto_tree_add_item(parameter_tree, hf_opc_list_mask, parameter_tvb, point_code_offset + OPC_MASK_OFFSET, OPC_MASK_LENGTH, ENC_BIG_ENDIAN);
|
|
item = proto_tree_add_item(parameter_tree, hf_opc_list_pc, parameter_tvb, point_code_offset + OPC_PC_OFFSET, OPC_PC_LENGTH, ENC_BIG_ENDIAN);
|
|
if (mtp3_pc_structured())
|
|
proto_item_append_text(item, " (%s)", mtp3_pc_to_str(tvb_get_ntoh24(parameter_tvb, point_code_offset + OPC_PC_OFFSET)));
|
|
point_code_offset += OPC_LENGTH;
|
|
};
|
|
proto_item_append_text(parameter_item, " (%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_circuit_range_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 length, number_of_point_codes, point_code_number, cic_low, cic_high;
|
|
guint32 pc;
|
|
gint point_code_offset;
|
|
proto_item *pc_item, *cic_range_item;
|
|
proto_tree *cic_range_tree;
|
|
gchar *pc_string;
|
|
|
|
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 = 0; point_code_number < number_of_point_codes; point_code_number++) {
|
|
cic_range_tree = proto_tree_add_subtree(parameter_tree, parameter_tvb, point_code_offset + CIC_RANGE_MASK_OFFSET, CIC_RANGE_LENGTH, ett_parameter, &cic_range_item, "CIC range");
|
|
|
|
proto_tree_add_item(cic_range_tree, hf_cic_range_mask, parameter_tvb, point_code_offset + CIC_RANGE_MASK_OFFSET, CIC_RANGE_MASK_LENGTH, ENC_BIG_ENDIAN);
|
|
|
|
pc = tvb_get_ntoh24(parameter_tvb, point_code_offset + CIC_RANGE_PC_OFFSET);
|
|
pc_string = mtp3_pc_to_str(pc);
|
|
pc_item = proto_tree_add_item(cic_range_tree, hf_cic_range_pc, parameter_tvb, point_code_offset + CIC_RANGE_PC_OFFSET, CIC_RANGE_PC_LENGTH, ENC_BIG_ENDIAN);
|
|
if (mtp3_pc_structured())
|
|
proto_item_append_text(pc_item, " (%s)", pc_string);
|
|
|
|
cic_low = tvb_get_ntohs(parameter_tvb, point_code_offset + CIC_RANGE_LOWER_OFFSET);
|
|
proto_tree_add_item(cic_range_tree, hf_cic_range_lower, parameter_tvb, point_code_offset + CIC_RANGE_LOWER_OFFSET, CIC_RANGE_LOWER_LENGTH, ENC_BIG_ENDIAN);
|
|
cic_high = tvb_get_ntohs(parameter_tvb, point_code_offset + CIC_RANGE_UPPER_OFFSET);
|
|
proto_tree_add_item(cic_range_tree, hf_cic_range_upper, parameter_tvb, point_code_offset + CIC_RANGE_UPPER_OFFSET, CIC_RANGE_UPPER_LENGTH, ENC_BIG_ENDIAN);
|
|
|
|
proto_item_append_text(cic_range_item, " (%s: %d-%d)", pc_string, cic_low, cic_high);
|
|
point_code_offset += CIC_RANGE_LENGTH;
|
|
};
|
|
proto_item_append_text(parameter_item, " (%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 guint
|
|
m3ua_heur_mtp3_standard(tvbuff_t *tvb, packet_info *pinfo, guint32 opc, guint32 dpc, guint8 si)
|
|
{
|
|
switch (si) {
|
|
case MTP_SI_SCCP:
|
|
{
|
|
if (opc < ITU_PC_MASK && dpc < ITU_PC_MASK &&
|
|
looks_like_valid_sccp(PINFO_FD_NUM(pinfo), tvb, ITU_STANDARD)) {
|
|
|
|
return ITU_STANDARD;
|
|
}
|
|
/* Network 0 is reserved in ANSI */
|
|
/* Could also check that cluster!=0 for small networks (networks 1-5) */
|
|
if ((opc & ANSI_NETWORK_MASK) > 0 && (dpc & ANSI_NETWORK_MASK) > 0 &&
|
|
looks_like_valid_sccp(PINFO_FD_NUM(pinfo), tvb, ANSI_STANDARD)) {
|
|
|
|
return ANSI_STANDARD;
|
|
}
|
|
if (looks_like_valid_sccp(PINFO_FD_NUM(pinfo), tvb, CHINESE_ITU_STANDARD)) {
|
|
return CHINESE_ITU_STANDARD;
|
|
}
|
|
if (opc < JAPAN_PC_MASK && dpc < JAPAN_PC_MASK &&
|
|
looks_like_valid_sccp(PINFO_FD_NUM(pinfo), tvb, JAPAN_STANDARD)) {
|
|
|
|
return JAPAN_STANDARD;
|
|
}
|
|
|
|
return HEURISTIC_FAILED_STANDARD;
|
|
|
|
}
|
|
default:
|
|
return HEURISTIC_FAILED_STANDARD;
|
|
}
|
|
}
|
|
|
|
static void
|
|
m3ua_reset_mtp3_standard(void)
|
|
{
|
|
mtp3_standard = m3ua_pref_mtp3_standard;
|
|
}
|
|
|
|
static void
|
|
dissect_protocol_data_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 ulp_length;
|
|
tvbuff_t *payload_tvb;
|
|
proto_item *item, *gen_item;
|
|
mtp3_tap_rec_t* mtp3_tap;
|
|
proto_tree *q708_tree;
|
|
gint heuristic_standard;
|
|
guint8 si;
|
|
guint32 opc, dpc;
|
|
|
|
mtp3_tap = wmem_new0(pinfo->pool, mtp3_tap_rec_t);
|
|
|
|
si = tvb_get_guint8(parameter_tvb, DATA_SI_OFFSET);
|
|
ulp_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH - DATA_HDR_LENGTH;
|
|
payload_tvb = tvb_new_subset_length(parameter_tvb, DATA_ULP_OFFSET, ulp_length);
|
|
dpc = tvb_get_ntohl(parameter_tvb, DATA_DPC_OFFSET);
|
|
opc = tvb_get_ntohl(parameter_tvb, DATA_OPC_OFFSET);
|
|
|
|
m3ua_pref_mtp3_standard = mtp3_standard;
|
|
|
|
if (mtp3_heuristic_standard) {
|
|
heuristic_standard = m3ua_heur_mtp3_standard(payload_tvb, pinfo, opc, dpc, si);
|
|
if (heuristic_standard == HEURISTIC_FAILED_STANDARD) {
|
|
gen_item = proto_tree_add_uint_format(tree, hf_heuristic_standard, parameter_tvb, 0, 0, heuristic_standard,
|
|
"Could not determine Heuristic using %s", val_to_str_const(mtp3_standard, mtp3_standard_vals, "unknown"));
|
|
} else {
|
|
gen_item = proto_tree_add_uint_format(tree, hf_heuristic_standard, parameter_tvb, 0, 0, heuristic_standard,
|
|
"%s", val_to_str_const(heuristic_standard, mtp3_standard_vals, "unknown"));
|
|
|
|
mtp3_standard = heuristic_standard;
|
|
|
|
/* Register a frame-end routine to ensure mtp3_standard is set
|
|
* back even if an exception is thrown.
|
|
*/
|
|
register_frame_end_routine(pinfo, m3ua_reset_mtp3_standard);
|
|
}
|
|
PROTO_ITEM_SET_GENERATED(gen_item);
|
|
}
|
|
|
|
mtp3_tap->addr_dpc.type = (Standard_Type)mtp3_standard;
|
|
mtp3_tap->addr_dpc.pc = dpc;
|
|
mtp3_tap->addr_dpc.ni = tvb_get_guint8(parameter_tvb, DATA_NI_OFFSET);
|
|
set_address(&pinfo->dst, AT_SS7PC, sizeof(mtp3_addr_pc_t), (guint8 *) &mtp3_tap->addr_dpc);
|
|
|
|
|
|
mtp3_tap->addr_opc.type = (Standard_Type)mtp3_standard;
|
|
mtp3_tap->addr_opc.pc = opc;
|
|
mtp3_tap->addr_opc.ni = tvb_get_guint8(parameter_tvb, DATA_NI_OFFSET);
|
|
set_address(&pinfo->src, AT_SS7PC, sizeof(mtp3_addr_pc_t), (guint8 *) &mtp3_tap->addr_opc);
|
|
|
|
mtp3_tap->mtp3_si_code = tvb_get_guint8(parameter_tvb, DATA_SI_OFFSET);
|
|
mtp3_tap->size = 0;
|
|
|
|
tap_queue_packet(m3ua_tap, pinfo, mtp3_tap);
|
|
|
|
ulp_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH - DATA_HDR_LENGTH;
|
|
|
|
if (parameter_tree) {
|
|
item = proto_tree_add_item(parameter_tree, hf_protocol_data_opc, parameter_tvb, DATA_OPC_OFFSET, DATA_OPC_LENGTH, ENC_BIG_ENDIAN);
|
|
if (mtp3_pc_structured())
|
|
proto_item_append_text(item, " (%s)", mtp3_pc_to_str(opc));
|
|
if(mtp3_tap->addr_opc.ni == MTP3_NI_INT0) {
|
|
q708_tree = proto_item_add_subtree(item,ett_q708_opc);
|
|
/* Q.708 (1984-10) Numbering of International Signalling Point Codes */
|
|
analyze_q708_ispc(parameter_tvb, q708_tree, DATA_OPC_OFFSET, DATA_OPC_LENGTH, opc);
|
|
}
|
|
|
|
item = proto_tree_add_item(parameter_tree, hf_protocol_data_dpc, parameter_tvb, DATA_DPC_OFFSET, DATA_DPC_LENGTH, ENC_BIG_ENDIAN);
|
|
if (mtp3_pc_structured())
|
|
proto_item_append_text(item, " (%s)", mtp3_pc_to_str(dpc));
|
|
if(mtp3_tap->addr_dpc.ni == MTP3_NI_INT0) {
|
|
q708_tree = proto_item_add_subtree(item,ett_q708_dpc);
|
|
analyze_q708_ispc(parameter_tvb, q708_tree, DATA_DPC_OFFSET, DATA_DPC_LENGTH, dpc);
|
|
}
|
|
|
|
proto_tree_add_item(parameter_tree, hf_protocol_data_si, parameter_tvb, DATA_SI_OFFSET, DATA_SI_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(parameter_tree, hf_protocol_data_ni, parameter_tvb, DATA_NI_OFFSET, DATA_NI_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(parameter_tree, hf_protocol_data_mp, parameter_tvb, DATA_MP_OFFSET, DATA_MP_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(parameter_tree, hf_protocol_data_sls, parameter_tvb, DATA_SLS_OFFSET, DATA_SLS_LENGTH, ENC_BIG_ENDIAN);
|
|
|
|
proto_item_append_text(parameter_item, " (SS7 message of %u byte%s)", ulp_length, plurality(ulp_length, "", "s"));
|
|
proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH + DATA_HDR_LENGTH);
|
|
|
|
parameter_tree = proto_tree_add_subtree(parameter_tree,parameter_tvb,0,0,ett_mtp3_equiv,&item,"MTP3 equivalents");
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
|
|
item = proto_tree_add_item(parameter_tree, hf_protocol_data_mtp3_opc, parameter_tvb, DATA_OPC_OFFSET, DATA_OPC_LENGTH, ENC_BIG_ENDIAN);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
item = proto_tree_add_item(parameter_tree, hf_protocol_data_mtp3_dpc, parameter_tvb, DATA_DPC_OFFSET, DATA_OPC_LENGTH, ENC_BIG_ENDIAN);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
item = proto_tree_add_item(parameter_tree, hf_protocol_data_mtp3_pc, parameter_tvb, DATA_OPC_OFFSET, DATA_OPC_LENGTH, ENC_BIG_ENDIAN);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
item = proto_tree_add_item(parameter_tree, hf_protocol_data_mtp3_pc, parameter_tvb, DATA_DPC_OFFSET, DATA_OPC_LENGTH, ENC_BIG_ENDIAN);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
item = proto_tree_add_item(parameter_tree, hf_protocol_data_mtp3_ni, parameter_tvb, DATA_NI_OFFSET, DATA_NI_LENGTH, ENC_BIG_ENDIAN);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
item = proto_tree_add_item(parameter_tree, hf_protocol_data_mtp3_sls, parameter_tvb, DATA_SLS_OFFSET, DATA_SLS_LENGTH, ENC_BIG_ENDIAN);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
|
|
}/* parameter_tree */
|
|
|
|
payload_tvb = tvb_new_subset_length(parameter_tvb, DATA_ULP_OFFSET, ulp_length);
|
|
if (!dissector_try_uint(si_dissector_table, tvb_get_guint8(parameter_tvb, DATA_SI_OFFSET), payload_tvb, pinfo, tree))
|
|
call_dissector(data_handle, payload_tvb, pinfo, tree);
|
|
|
|
mtp3_standard = m3ua_pref_mtp3_standard;
|
|
}
|
|
|
|
#define CORR_ID_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define CORR_ID_LENGTH 4
|
|
|
|
static void
|
|
dissect_correlation_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_correlation_identifier, parameter_tvb, CORR_ID_OFFSET, CORR_ID_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, CORR_ID_OFFSET));
|
|
}
|
|
|
|
#define REG_STATUS_LENGTH 4
|
|
#define REG_STATUS_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static const value_string 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" },
|
|
{ 11, "Error - Routing Key Change Refused" },
|
|
{ 12, "Error - Routing Key Already Registered" },
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_registration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_registration_status, parameter_tvb, REG_STATUS_OFFSET, REG_STATUS_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, REG_STATUS_OFFSET), registration_status_values, "unknown"));
|
|
}
|
|
|
|
#define DEREG_STATUS_LENGTH 4
|
|
#define DEREG_STATUS_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static const value_string 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_deregistration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_deregistration_status, parameter_tvb, DEREG_STATUS_OFFSET, DEREG_STATUS_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, DEREG_STATUS_OFFSET), deregistration_status_values, "unknown"));
|
|
}
|
|
|
|
static void
|
|
dissect_registration_results_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree)
|
|
{
|
|
tvbuff_t *parameters_tvb;
|
|
guint16 parameters_length;
|
|
|
|
parameters_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
|
|
parameters_tvb = tvb_new_subset_length(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length);
|
|
dissect_parameters(parameters_tvb, pinfo, tree, parameter_tree);
|
|
}
|
|
|
|
static void
|
|
dissect_deregistration_results_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree)
|
|
{
|
|
tvbuff_t *parameters_tvb;
|
|
guint16 parameters_length;
|
|
|
|
parameters_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
|
|
parameters_tvb = tvb_new_subset_length(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length);
|
|
dissect_parameters(parameters_tvb, pinfo, tree, parameter_tree);
|
|
}
|
|
|
|
static void
|
|
dissect_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 tag, parameter_value_length;
|
|
|
|
tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
|
|
parameter_value_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
|
|
proto_tree_add_item(parameter_tree, hf_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length, ENC_NA);
|
|
proto_item_append_text(parameter_item, " (tag %u and %u byte%s value)", tag, parameter_value_length, plurality(parameter_value_length, "", "s"));
|
|
}
|
|
|
|
#define V5_NETWORK_APPEARANCE_PARAMETER_TAG 1
|
|
#define V5_PROTOCOL_DATA_PARAMETER_TAG 3
|
|
#define V5_INFO_PARAMETER_TAG 4
|
|
#define V5_AFFECTED_DESTINATIONS_PARAMETER_TAG 5
|
|
#define V5_ROUTING_CONTEXT_PARAMETER_TAG 6
|
|
#define V5_DIAGNOSTIC_INFORMATION_PARAMETER_TAG 7
|
|
#define V5_HEARTBEAT_DATA_PARAMETER_TAG 8
|
|
#define V5_USER_CAUSE_PARAMETER_TAG 9
|
|
#define V5_REASON_PARAMETER_TAG 10
|
|
#define V5_TRAFFIC_MODE_TYPE_PARAMETER_TAG 11
|
|
#define V5_ERROR_CODE_PARAMETER_TAG 12
|
|
#define V5_STATUS_PARAMETER_TAG 13
|
|
#define V5_CONGESTION_INDICATION_PARAMETER_TAG 14
|
|
|
|
static const value_string v5_parameter_tag_values[] = {
|
|
{ V5_NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" },
|
|
{ V5_PROTOCOL_DATA_PARAMETER_TAG, "Protocol data" },
|
|
{ V5_INFO_PARAMETER_TAG, "Info" },
|
|
{ V5_AFFECTED_DESTINATIONS_PARAMETER_TAG, "Affected destinations" },
|
|
{ V5_ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" },
|
|
{ V5_DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
|
|
{ V5_HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" },
|
|
{ V5_USER_CAUSE_PARAMETER_TAG, "User / Cause" },
|
|
{ V5_REASON_PARAMETER_TAG, "Reason" },
|
|
{ V5_TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
|
|
{ V5_ERROR_CODE_PARAMETER_TAG, "Error code" },
|
|
{ V5_STATUS_PARAMETER_TAG, "Status" },
|
|
{ V5_CONGESTION_INDICATION_PARAMETER_TAG, "Congestion indication" },
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_v5_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree)
|
|
{
|
|
guint16 tag, length, padding_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);
|
|
padding_length = tvb_reported_length(parameter_tvb) - length;
|
|
|
|
if (!tree && tag != V5_PROTOCOL_DATA_PARAMETER_TAG)
|
|
return; /* Nothing to do here */
|
|
|
|
/* create proto_tree stuff */
|
|
parameter_tree = proto_tree_add_subtree(m3ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, -1, ett_parameter, ¶meter_item,
|
|
val_to_str_const(tag, v5_parameter_tag_values, "Unknown parameter"));
|
|
|
|
/* add tag and length to the parameter tree */
|
|
proto_tree_add_item(parameter_tree, hf_v5_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, ENC_BIG_ENDIAN);
|
|
|
|
switch(tag) {
|
|
case V5_NETWORK_APPEARANCE_PARAMETER_TAG:
|
|
dissect_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V5_PROTOCOL_DATA_PARAMETER_TAG:
|
|
dissect_v5_protocol_data_parameter(parameter_tvb, pinfo, tree, parameter_item);
|
|
break;
|
|
case V5_INFO_PARAMETER_TAG:
|
|
dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V5_AFFECTED_DESTINATIONS_PARAMETER_TAG:
|
|
dissect_affected_destinations_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V5_ROUTING_CONTEXT_PARAMETER_TAG:
|
|
dissect_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V5_DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
|
|
dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V5_HEARTBEAT_DATA_PARAMETER_TAG:
|
|
dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V5_USER_CAUSE_PARAMETER_TAG:
|
|
dissect_user_cause_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V5_REASON_PARAMETER_TAG:
|
|
dissect_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V5_TRAFFIC_MODE_TYPE_PARAMETER_TAG:
|
|
dissect_v5_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V5_ERROR_CODE_PARAMETER_TAG:
|
|
dissect_v5_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V5_STATUS_PARAMETER_TAG:
|
|
dissect_v567_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V5_CONGESTION_INDICATION_PARAMETER_TAG:
|
|
dissect_congestion_indication_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
default:
|
|
dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
};
|
|
if (padding_length > 0)
|
|
proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, ENC_NA);
|
|
}
|
|
|
|
#define V6_NETWORK_APPEARANCE_PARAMETER_TAG 1
|
|
#define V6_PROTOCOL_DATA_1_PARAMETER_TAG 2
|
|
#define V6_PROTOCOL_DATA_2_PARAMETER_TAG 3
|
|
#define V6_INFO_PARAMETER_TAG 4
|
|
#define V6_AFFECTED_DESTINATIONS_PARAMETER_TAG 5
|
|
#define V6_ROUTING_CONTEXT_PARAMETER_TAG 6
|
|
#define V6_DIAGNOSTIC_INFORMATION_PARAMETER_TAG 7
|
|
#define V6_HEARTBEAT_DATA_PARAMETER_TAG 8
|
|
#define V6_USER_CAUSE_PARAMETER_TAG 9
|
|
#define V6_REASON_PARAMETER_TAG 10
|
|
#define V6_TRAFFIC_MODE_TYPE_PARAMETER_TAG 11
|
|
#define V6_ERROR_CODE_PARAMETER_TAG 12
|
|
#define V6_STATUS_PARAMETER_TAG 13
|
|
#define V6_CONGESTION_INDICATION_PARAMETER_TAG 14
|
|
#define V6_CONCERNED_DESTINATION_PARAMETER_TAG 15
|
|
#define V6_ROUTING_KEY_PARAMETER_TAG 16
|
|
#define V6_REGISTRATION_RESULT_PARAMETER_TAG 17
|
|
#define V6_DEREGISTRATION_RESULT_PARAMETER_TAG 18
|
|
#define V6_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG 19
|
|
#define V6_DESTINATION_POINT_CODE_PARAMETER_TAG 20
|
|
#define V6_SERVICE_INDICATORS_PARAMETER_TAG 21
|
|
#define V6_SUBSYSTEM_NUMBERS_PARAMETER_TAG 22
|
|
#define V6_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG 23
|
|
#define V6_CIRCUIT_RANGE_PARAMETER_TAG 24
|
|
#define V6_REGISTRATION_RESULTS_PARAMETER_TAG 25
|
|
#define V6_DEREGISTRATION_RESULTS_PARAMETER_TAG 26
|
|
|
|
static const value_string v6_parameter_tag_values[] = {
|
|
{ V6_NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" },
|
|
{ V6_PROTOCOL_DATA_1_PARAMETER_TAG, "Protocol data 1" },
|
|
{ V6_PROTOCOL_DATA_2_PARAMETER_TAG, "Protocol data 2" },
|
|
{ V6_INFO_PARAMETER_TAG, "Info" },
|
|
{ V6_AFFECTED_DESTINATIONS_PARAMETER_TAG, "Affected destinations" },
|
|
{ V6_ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" },
|
|
{ V6_DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
|
|
{ V6_HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" },
|
|
{ V6_USER_CAUSE_PARAMETER_TAG, "User / Cause" },
|
|
{ V6_REASON_PARAMETER_TAG, "Reason" },
|
|
{ V6_TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
|
|
{ V6_ERROR_CODE_PARAMETER_TAG, "Error code" },
|
|
{ V6_STATUS_PARAMETER_TAG, "Status" },
|
|
{ V6_CONGESTION_INDICATION_PARAMETER_TAG, "Congestion indication" },
|
|
{ V6_CONCERNED_DESTINATION_PARAMETER_TAG, "Concerned destination" },
|
|
{ V6_ROUTING_KEY_PARAMETER_TAG, "Routing Key" },
|
|
{ V6_REGISTRATION_RESULT_PARAMETER_TAG, "Registration result" },
|
|
{ V6_DEREGISTRATION_RESULT_PARAMETER_TAG, "De-registration result" },
|
|
{ V6_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG, "Local routing key identifier" },
|
|
{ V6_DESTINATION_POINT_CODE_PARAMETER_TAG, "Destination point code" },
|
|
{ V6_SERVICE_INDICATORS_PARAMETER_TAG, "Service indicators" },
|
|
{ V6_SUBSYSTEM_NUMBERS_PARAMETER_TAG, "Subsystem numbers" },
|
|
{ V6_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG, "Originating point code list" },
|
|
{ V6_CIRCUIT_RANGE_PARAMETER_TAG, "Circuit range" },
|
|
{ V6_REGISTRATION_RESULTS_PARAMETER_TAG, "Registration results" },
|
|
{ V6_DEREGISTRATION_RESULTS_PARAMETER_TAG, "De-registration results" },
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_v6_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree)
|
|
{
|
|
guint16 tag, length, padding_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);
|
|
padding_length = tvb_reported_length(parameter_tvb) - length;
|
|
|
|
if (!tree && tag != V6_PROTOCOL_DATA_1_PARAMETER_TAG && tag != V6_PROTOCOL_DATA_2_PARAMETER_TAG)
|
|
return; /* Nothing to do here */
|
|
|
|
/* create proto_tree stuff */
|
|
parameter_tree = proto_tree_add_subtree(m3ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, -1,
|
|
ett_parameter, ¶meter_item, val_to_str_const(tag, v6_parameter_tag_values, "Unknown parameter"));
|
|
|
|
/* add tag and length to the parameter tree */
|
|
proto_tree_add_item(parameter_tree, hf_v6_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, ENC_BIG_ENDIAN);
|
|
|
|
switch(tag) {
|
|
case V6_NETWORK_APPEARANCE_PARAMETER_TAG:
|
|
dissect_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_PROTOCOL_DATA_1_PARAMETER_TAG:
|
|
dissect_protocol_data_1_parameter(parameter_tvb, pinfo, tree, parameter_item);
|
|
break;
|
|
case V6_PROTOCOL_DATA_2_PARAMETER_TAG:
|
|
dissect_protocol_data_2_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_INFO_PARAMETER_TAG:
|
|
dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_AFFECTED_DESTINATIONS_PARAMETER_TAG:
|
|
dissect_affected_destinations_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_ROUTING_CONTEXT_PARAMETER_TAG:
|
|
dissect_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
|
|
dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_HEARTBEAT_DATA_PARAMETER_TAG:
|
|
dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_USER_CAUSE_PARAMETER_TAG:
|
|
dissect_user_cause_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_REASON_PARAMETER_TAG:
|
|
dissect_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_TRAFFIC_MODE_TYPE_PARAMETER_TAG:
|
|
dissect_v6_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_ERROR_CODE_PARAMETER_TAG:
|
|
dissect_v6_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_STATUS_PARAMETER_TAG:
|
|
dissect_v567_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_CONGESTION_INDICATION_PARAMETER_TAG:
|
|
dissect_congestion_indication_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_CONCERNED_DESTINATION_PARAMETER_TAG:
|
|
dissect_concerned_destination_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_ROUTING_KEY_PARAMETER_TAG:
|
|
dissect_routing_key_parameter(parameter_tvb, pinfo, tree, parameter_tree);
|
|
break;
|
|
case V6_REGISTRATION_RESULT_PARAMETER_TAG:
|
|
dissect_v67_registration_result_parameter(parameter_tvb, parameter_tree);
|
|
break;
|
|
case V6_DEREGISTRATION_RESULT_PARAMETER_TAG:
|
|
dissect_v67_deregistration_result_parameter(parameter_tvb, parameter_tree);
|
|
break;
|
|
case V6_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG:
|
|
dissect_local_routing_key_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_DESTINATION_POINT_CODE_PARAMETER_TAG:
|
|
dissect_destination_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_SERVICE_INDICATORS_PARAMETER_TAG:
|
|
dissect_service_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_SUBSYSTEM_NUMBERS_PARAMETER_TAG:
|
|
dissect_subsystem_numbers_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG:
|
|
dissect_originating_point_code_list_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_CIRCUIT_RANGE_PARAMETER_TAG:
|
|
dissect_circuit_range_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V6_REGISTRATION_RESULTS_PARAMETER_TAG:
|
|
dissect_registration_results_parameter(parameter_tvb, pinfo, tree, parameter_tree);
|
|
break;
|
|
case V6_DEREGISTRATION_RESULTS_PARAMETER_TAG:
|
|
dissect_deregistration_results_parameter(parameter_tvb, pinfo, tree, parameter_tree);
|
|
break;
|
|
default:
|
|
dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
};
|
|
|
|
if (padding_length > 0)
|
|
proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, ENC_NA);
|
|
}
|
|
|
|
#define V7_NETWORK_APPEARANCE_PARAMETER_TAG 0x80
|
|
#define V7_PROTOCOL_DATA_1_PARAMETER_TAG 0x81
|
|
#define V7_PROTOCOL_DATA_2_PARAMETER_TAG 0x82
|
|
#define V7_INFO_PARAMETER_TAG 0x04
|
|
#define V7_AFFECTED_DESTINATIONS_PARAMETER_TAG 0x83
|
|
#define V7_ROUTING_CONTEXT_PARAMETER_TAG 0x06
|
|
#define V7_DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x07
|
|
#define V7_HEARTBEAT_DATA_PARAMETER_TAG 0x09
|
|
#define V7_USER_CAUSE_PARAMETER_TAG 0x84
|
|
#define V7_REASON_PARAMETER_TAG 0x0a
|
|
#define V7_TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x0b
|
|
#define V7_ERROR_CODE_PARAMETER_TAG 0x0c
|
|
#define V7_STATUS_PARAMETER_TAG 0x0d
|
|
#define V7_CONGESTION_INDICATION_PARAMETER_TAG 0x85
|
|
#define V7_CONCERNED_DESTINATION_PARAMETER_TAG 0x86
|
|
#define V7_ROUTING_KEY_PARAMETER_TAG 0x87
|
|
#define V7_REGISTRATION_RESULT_PARAMETER_TAG 0x88
|
|
#define V7_DEREGISTRATION_RESULT_PARAMETER_TAG 0x89
|
|
#define V7_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG 0x8a
|
|
#define V7_DESTINATION_POINT_CODE_PARAMETER_TAG 0x8b
|
|
#define V7_SERVICE_INDICATORS_PARAMETER_TAG 0x8c
|
|
#define V7_SUBSYSTEM_NUMBERS_PARAMETER_TAG 0x8d
|
|
#define V7_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG 0x8e
|
|
#define V7_CIRCUIT_RANGE_PARAMETER_TAG 0x8f
|
|
#define V7_REGISTRATION_RESULTS_PARAMETER_TAG 0x90
|
|
#define V7_DEREGISTRATION_RESULTS_PARAMETER_TAG 0x91
|
|
|
|
static const value_string v7_parameter_tag_values[] = {
|
|
{ V7_NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" },
|
|
{ V7_PROTOCOL_DATA_1_PARAMETER_TAG, "Protocol data 1" },
|
|
{ V7_PROTOCOL_DATA_2_PARAMETER_TAG, "Protocol data 2" },
|
|
{ V7_INFO_PARAMETER_TAG, "Info" },
|
|
{ V7_AFFECTED_DESTINATIONS_PARAMETER_TAG, "Affected destinations" },
|
|
{ V7_ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" },
|
|
{ V7_DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
|
|
{ V7_HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" },
|
|
{ V7_USER_CAUSE_PARAMETER_TAG, "User / Cause" },
|
|
{ V7_REASON_PARAMETER_TAG, "Reason" },
|
|
{ V7_TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
|
|
{ V7_ERROR_CODE_PARAMETER_TAG, "Error code" },
|
|
{ V7_STATUS_PARAMETER_TAG, "Status" },
|
|
{ V7_CONGESTION_INDICATION_PARAMETER_TAG, "Congestion indication" },
|
|
{ V7_CONCERNED_DESTINATION_PARAMETER_TAG, "Concerned destination" },
|
|
{ V7_ROUTING_KEY_PARAMETER_TAG, "Routing Key" },
|
|
{ V7_REGISTRATION_RESULT_PARAMETER_TAG, "Registration result" },
|
|
{ V7_DEREGISTRATION_RESULT_PARAMETER_TAG, "De-registration result" },
|
|
{ V7_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG, "Local routing key identifier" },
|
|
{ V7_DESTINATION_POINT_CODE_PARAMETER_TAG, "Destination point code" },
|
|
{ V7_SERVICE_INDICATORS_PARAMETER_TAG, "Service indicators" },
|
|
{ V7_SUBSYSTEM_NUMBERS_PARAMETER_TAG, "Subsystem numbers" },
|
|
{ V7_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG, "Originating point code list" },
|
|
{ V7_CIRCUIT_RANGE_PARAMETER_TAG, "Circuit range" },
|
|
{ V7_REGISTRATION_RESULTS_PARAMETER_TAG, "Registration results" },
|
|
{ V7_DEREGISTRATION_RESULTS_PARAMETER_TAG, "De-registration results" },
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_v7_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree)
|
|
{
|
|
guint16 tag, length, padding_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);
|
|
padding_length = tvb_reported_length(parameter_tvb) - length;
|
|
|
|
if (!tree && tag != V7_PROTOCOL_DATA_1_PARAMETER_TAG && tag != V7_PROTOCOL_DATA_2_PARAMETER_TAG)
|
|
return; /* Nothing to do here */
|
|
|
|
/* create proto_tree stuff */
|
|
parameter_tree = proto_tree_add_subtree(m3ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, -1,
|
|
ett_parameter, ¶meter_item, val_to_str_const(tag, v7_parameter_tag_values, "Unknown parameter"));
|
|
|
|
/* add tag and length to the parameter tree */
|
|
proto_tree_add_item(parameter_tree, hf_v7_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, ENC_BIG_ENDIAN);
|
|
|
|
switch(tag) {
|
|
case V7_NETWORK_APPEARANCE_PARAMETER_TAG:
|
|
dissect_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_PROTOCOL_DATA_1_PARAMETER_TAG:
|
|
dissect_protocol_data_1_parameter(parameter_tvb, pinfo, tree, parameter_item);
|
|
break;
|
|
case V7_PROTOCOL_DATA_2_PARAMETER_TAG:
|
|
dissect_protocol_data_2_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_INFO_PARAMETER_TAG:
|
|
dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_AFFECTED_DESTINATIONS_PARAMETER_TAG:
|
|
dissect_affected_destinations_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_ROUTING_CONTEXT_PARAMETER_TAG:
|
|
dissect_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
|
|
dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_HEARTBEAT_DATA_PARAMETER_TAG:
|
|
dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_USER_CAUSE_PARAMETER_TAG:
|
|
dissect_user_cause_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_REASON_PARAMETER_TAG:
|
|
dissect_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_TRAFFIC_MODE_TYPE_PARAMETER_TAG:
|
|
dissect_v7_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_ERROR_CODE_PARAMETER_TAG:
|
|
dissect_v7_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_STATUS_PARAMETER_TAG:
|
|
dissect_v567_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_CONGESTION_INDICATION_PARAMETER_TAG:
|
|
dissect_congestion_indication_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_CONCERNED_DESTINATION_PARAMETER_TAG:
|
|
dissect_concerned_destination_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_ROUTING_KEY_PARAMETER_TAG:
|
|
dissect_routing_key_parameter(parameter_tvb, pinfo, tree, parameter_tree);
|
|
break;
|
|
case V7_REGISTRATION_RESULT_PARAMETER_TAG:
|
|
dissect_v67_registration_result_parameter(parameter_tvb, parameter_tree);
|
|
break;
|
|
case V7_DEREGISTRATION_RESULT_PARAMETER_TAG:
|
|
dissect_v67_deregistration_result_parameter(parameter_tvb, parameter_tree);
|
|
break;
|
|
case V7_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG:
|
|
dissect_local_routing_key_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_DESTINATION_POINT_CODE_PARAMETER_TAG:
|
|
dissect_destination_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_SERVICE_INDICATORS_PARAMETER_TAG:
|
|
dissect_service_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_SUBSYSTEM_NUMBERS_PARAMETER_TAG:
|
|
dissect_subsystem_numbers_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG:
|
|
dissect_originating_point_code_list_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_CIRCUIT_RANGE_PARAMETER_TAG:
|
|
dissect_circuit_range_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case V7_REGISTRATION_RESULTS_PARAMETER_TAG:
|
|
dissect_registration_results_parameter(parameter_tvb, pinfo, tree, parameter_tree);
|
|
break;
|
|
case V7_DEREGISTRATION_RESULTS_PARAMETER_TAG:
|
|
dissect_deregistration_results_parameter(parameter_tvb, pinfo, tree, parameter_tree);
|
|
break;
|
|
default:
|
|
dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
};
|
|
|
|
if (padding_length > 0)
|
|
proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, ENC_NA);
|
|
}
|
|
|
|
#define INFO_STRING_PARAMETER_TAG 0x0004
|
|
#define ROUTING_CONTEXT_PARAMETER_TAG 0x0006
|
|
#define DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x0007
|
|
#define HEARTBEAT_DATA_PARAMETER_TAG 0x0009
|
|
#define TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x000b
|
|
#define ERROR_CODE_PARAMETER_TAG 0x000c
|
|
#define STATUS_PARAMETER_TAG 0x000d
|
|
#define ASP_IDENTIFIER_PARAMETER_TAG 0x0011
|
|
#define AFFECTED_POINT_CODE_PARAMETER_TAG 0x0012
|
|
#define CORRELATION_IDENTIFIER_PARAMETER_TAG 0x0013
|
|
|
|
#define NETWORK_APPEARANCE_PARAMETER_TAG 0x0200
|
|
#define USER_CAUSE_PARAMETER_TAG 0x0204
|
|
#define CONGESTION_INDICATIONS_PARAMETER_TAG 0x0205
|
|
#define CONCERNED_DESTINATION_PARAMETER_TAG 0x0206
|
|
#define ROUTING_KEY_PARAMETER_TAG 0x0207
|
|
#define REGISTRATION_RESULT_PARAMETER_TAG 0x0208
|
|
#define DEREGISTRATION_RESULT_PARAMETER_TAG 0x0209
|
|
#define LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG 0x020a
|
|
#define DESTINATION_POINT_CODE_PARAMETER_TAG 0x020b
|
|
#define SERVICE_INDICATORS_PARAMETER_TAG 0x020c
|
|
#define ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG 0x020e
|
|
#define CIRCUIT_RANGE_PARAMETER_TAG 0x020f
|
|
#define PROTOCOL_DATA_PARAMETER_TAG 0x0210
|
|
#define REGISTRATION_STATUS_PARAMETER_TAG 0x0212
|
|
#define DEREGISTRATION_STATUS_PARAMETER_TAG 0x0213
|
|
|
|
static const value_string parameter_tag_values[] = {
|
|
{ INFO_STRING_PARAMETER_TAG, "Info string" } ,
|
|
{ ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" } ,
|
|
{ DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic Information" } ,
|
|
{ HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" } ,
|
|
{ TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" } ,
|
|
{ ERROR_CODE_PARAMETER_TAG, "Error code" } ,
|
|
{ STATUS_PARAMETER_TAG, "Status" } ,
|
|
{ ASP_IDENTIFIER_PARAMETER_TAG, "ASP identifier" } ,
|
|
{ AFFECTED_POINT_CODE_PARAMETER_TAG, "Affected point code" } ,
|
|
{ CORRELATION_IDENTIFIER_PARAMETER_TAG, "Correlation identifier" } ,
|
|
{ NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" } ,
|
|
{ USER_CAUSE_PARAMETER_TAG, "User / cause" } ,
|
|
{ CONGESTION_INDICATIONS_PARAMETER_TAG, "Congestion indications" } ,
|
|
{ CONCERNED_DESTINATION_PARAMETER_TAG, "Concerned destination" } ,
|
|
{ ROUTING_KEY_PARAMETER_TAG, "Routing key" } ,
|
|
{ REGISTRATION_RESULT_PARAMETER_TAG, "Registration result" } ,
|
|
{ DEREGISTRATION_RESULT_PARAMETER_TAG, "Deregistration result" } ,
|
|
{ LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG, "Local routing key identifier" } ,
|
|
{ DESTINATION_POINT_CODE_PARAMETER_TAG, "Destination point code" } ,
|
|
{ SERVICE_INDICATORS_PARAMETER_TAG, "Service indicators" } ,
|
|
{ ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG, "Originating point code list" } ,
|
|
{ CIRCUIT_RANGE_PARAMETER_TAG, "Circuit range" } ,
|
|
{ PROTOCOL_DATA_PARAMETER_TAG, "Protocol data" } ,
|
|
{ REGISTRATION_STATUS_PARAMETER_TAG, "Registration status" } ,
|
|
{ DEREGISTRATION_STATUS_PARAMETER_TAG, "Deregistration status" } ,
|
|
{ 0, NULL } };
|
|
|
|
static void
|
|
dissect_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree)
|
|
{
|
|
guint16 tag, length, padding_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);
|
|
padding_length = tvb_reported_length(parameter_tvb) - length;
|
|
|
|
|
|
if (!tree && tag != PROTOCOL_DATA_PARAMETER_TAG)
|
|
return; /* Nothing to do here */
|
|
|
|
/* create proto_tree stuff */
|
|
parameter_tree = proto_tree_add_subtree(m3ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, -1,
|
|
ett_parameter, ¶meter_item, val_to_str_const(tag, parameter_tag_values, "Unknown parameter"));
|
|
|
|
/* add tag and length to the parameter tree */
|
|
proto_tree_add_item(parameter_tree, hf_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, ENC_BIG_ENDIAN);
|
|
|
|
switch(tag) {
|
|
case INFO_STRING_PARAMETER_TAG:
|
|
dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case ROUTING_CONTEXT_PARAMETER_TAG:
|
|
dissect_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
|
|
dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case HEARTBEAT_DATA_PARAMETER_TAG:
|
|
dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case TRAFFIC_MODE_TYPE_PARAMETER_TAG:
|
|
dissect_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case ERROR_CODE_PARAMETER_TAG:
|
|
dissect_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case STATUS_PARAMETER_TAG:
|
|
dissect_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case ASP_IDENTIFIER_PARAMETER_TAG:
|
|
dissect_asp_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case AFFECTED_POINT_CODE_PARAMETER_TAG:
|
|
dissect_affected_destinations_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case NETWORK_APPEARANCE_PARAMETER_TAG:
|
|
dissect_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case USER_CAUSE_PARAMETER_TAG:
|
|
dissect_user_cause_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case CONGESTION_INDICATIONS_PARAMETER_TAG:
|
|
dissect_congestion_indication_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case CONCERNED_DESTINATION_PARAMETER_TAG:
|
|
dissect_concerned_destination_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case ROUTING_KEY_PARAMETER_TAG:
|
|
dissect_routing_key_parameter(parameter_tvb, pinfo, tree, parameter_tree);
|
|
break;
|
|
case REGISTRATION_RESULT_PARAMETER_TAG:
|
|
dissect_registration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree);
|
|
break;
|
|
case DEREGISTRATION_RESULT_PARAMETER_TAG:
|
|
dissect_deregistration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree);
|
|
break;
|
|
case LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG:
|
|
dissect_local_routing_key_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case DESTINATION_POINT_CODE_PARAMETER_TAG:
|
|
dissect_destination_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case SERVICE_INDICATORS_PARAMETER_TAG:
|
|
dissect_service_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG:
|
|
dissect_originating_point_code_list_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case CIRCUIT_RANGE_PARAMETER_TAG:
|
|
dissect_circuit_range_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PROTOCOL_DATA_PARAMETER_TAG:
|
|
dissect_protocol_data_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
|
|
break;
|
|
case CORRELATION_IDENTIFIER_PARAMETER_TAG:
|
|
dissect_correlation_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case REGISTRATION_STATUS_PARAMETER_TAG:
|
|
dissect_registration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case DEREGISTRATION_STATUS_PARAMETER_TAG:
|
|
dissect_deregistration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
default:
|
|
dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
};
|
|
|
|
if (padding_length > 0)
|
|
proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, ENC_NA);
|
|
}
|
|
|
|
static void
|
|
dissect_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree)
|
|
{
|
|
gint offset, 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);
|
|
total_length = ADD_PADDING(length);
|
|
if (remaining_length >= length)
|
|
total_length = MIN(total_length, remaining_length);
|
|
/* create a tvb for the parameter including the padding bytes */
|
|
parameter_tvb = tvb_new_subset_length(parameters_tvb, offset, total_length);
|
|
switch(version) {
|
|
case M3UA_V5:
|
|
dissect_v5_parameter(parameter_tvb, pinfo, tree, m3ua_tree);
|
|
break;
|
|
case M3UA_V6:
|
|
dissect_v6_parameter(parameter_tvb, pinfo, tree, m3ua_tree);
|
|
break;
|
|
case M3UA_V7:
|
|
dissect_v7_parameter(parameter_tvb, pinfo, tree, m3ua_tree);
|
|
break;
|
|
case M3UA_RFC:
|
|
dissect_parameter(parameter_tvb, pinfo, tree, m3ua_tree);
|
|
break;
|
|
}
|
|
/* get rid of the handled parameter */
|
|
offset += total_length;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_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_length(message_tvb, 0, COMMON_HEADER_LENGTH);
|
|
parameters_tvb = tvb_new_subset_remaining(message_tvb, COMMON_HEADER_LENGTH);
|
|
if (version == M3UA_V5)
|
|
dissect_v5_common_header(common_header_tvb, pinfo, m3ua_tree);
|
|
else
|
|
dissect_common_header(common_header_tvb, pinfo, m3ua_tree);
|
|
|
|
/* Need to dissect (certain) parameters even when !tree, so subdissectors
|
|
* (e.g., MTP3) are always called.
|
|
*/
|
|
dissect_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 */
|
|
switch(version) {
|
|
case M3UA_V5:
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "M3UA (ID 05)");
|
|
break;
|
|
case M3UA_V6:
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "M3UA (ID 06)");
|
|
break;
|
|
case M3UA_V7:
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "M3UA (ID 07)");
|
|
break;
|
|
case M3UA_RFC:
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "M3UA (RFC 4666)");
|
|
break;
|
|
};
|
|
|
|
/* create the m3ua protocol tree */
|
|
m3ua_item = proto_tree_add_item(tree, proto_m3ua, message_tvb, 0, -1, ENC_NA);
|
|
m3ua_tree = proto_item_add_subtree(m3ua_item, ett_m3ua);
|
|
|
|
/* dissect the message */
|
|
dissect_message(message_tvb, pinfo, tree, m3ua_tree);
|
|
}
|
|
|
|
/* Register the protocol with Wireshark */
|
|
void
|
|
proto_register_m3ua(void)
|
|
{
|
|
|
|
/* Setup list of header fields */
|
|
static hf_register_info hf[] = {
|
|
{ &hf_version, { "Version", "m3ua.version", FT_UINT8, BASE_DEC, VALS(protocol_version_values), 0x0, NULL, HFILL } },
|
|
{ &hf_reserved, { "Reserved", "m3ua.reserved", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_v5_message_class, { "Message class", "m3ua.message_class", FT_UINT8, BASE_DEC, VALS(v5_message_class_values), 0x0, NULL, HFILL } },
|
|
{ &hf_message_class, { "Message class", "m3ua.message_class", FT_UINT8, BASE_DEC, VALS(message_class_values), 0x0, NULL, HFILL } },
|
|
{ &hf_message_type, { "Message Type", "m3ua.message_type", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_message_length, { "Message length", "m3ua.message_length", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_v5_parameter_tag, { "Parameter Tag", "m3ua.parameter_tag", FT_UINT16, BASE_DEC, VALS(v5_parameter_tag_values), 0x0, NULL, HFILL } },
|
|
{ &hf_v6_parameter_tag, { "Parameter Tag", "m3ua.parameter_tag", FT_UINT16, BASE_DEC, VALS(v6_parameter_tag_values), 0x0, NULL, HFILL } },
|
|
{ &hf_v7_parameter_tag, { "Parameter Tag", "m3ua.parameter_tag", FT_UINT16, BASE_DEC, VALS(v7_parameter_tag_values), 0x0, NULL, HFILL } },
|
|
{ &hf_parameter_tag, { "Parameter Tag", "m3ua.parameter_tag", FT_UINT16, BASE_DEC, VALS(parameter_tag_values), 0x0, NULL, HFILL } },
|
|
{ &hf_parameter_length, { "Parameter length", "m3ua.parameter_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_parameter_value, { "Parameter value", "m3ua.parameter_value", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_parameter_padding, { "Padding", "m3ua.parameter_padding", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
#if 0
|
|
{ &hf_parameter_trailer, { "Trailer", "m3ua.paramter_trailer", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
#endif
|
|
{ &hf_network_appearance, { "Network appearance", "m3ua.network_appearance", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_info_string, { "Info string", "m3ua.info_string", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_routing_context, { "Routing context", "m3ua.routing_context", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_diagnostic_information, { "Diagnostic information", "m3ua.diagnostic_information", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_heartbeat_data, { "Heartbeat data", "m3ua.heartbeat_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_v5_error_code, { "Error code", "m3ua.error_code", FT_UINT32, BASE_DEC, VALS(v5_error_code_values), 0x0, NULL, HFILL } },
|
|
{ &hf_v6_error_code, { "Error code", "m3ua.error_code", FT_UINT32, BASE_DEC, VALS(v6_error_code_values), 0x0, NULL, HFILL } },
|
|
{ &hf_v7_error_code, { "Error code", "m3ua.error_code", FT_UINT32, BASE_DEC, VALS(v7_error_code_values), 0x0, NULL, HFILL } },
|
|
{ &hf_error_code, { "Error code", "m3ua.error_code", FT_UINT32, BASE_DEC, VALS(error_code_values), 0x0, NULL, HFILL } },
|
|
{ &hf_status_type, { "Status type", "m3ua.status_type", FT_UINT16, BASE_DEC, VALS(status_type_values), 0x0, NULL, HFILL } },
|
|
{ &hf_status_info, { "Status info", "m3ua.status_info", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_asp_identifier, { "ASP identifier", "m3ua.asp_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_affected_point_code_mask, { "Mask", "m3ua.affected_point_code_mask", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_affected_point_code_pc, { "Affected point code", "m3ua.affected_point_code_pc", FT_UINT24, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_cause, { "Unavailability cause", "m3ua.unavailability_cause", FT_UINT16, BASE_DEC, VALS(unavailability_cause_values), 0x0, NULL, HFILL } },
|
|
{ &hf_user, { "User Identity", "m3ua.user_identity", FT_UINT16, BASE_DEC, VALS(user_identity_values), 0x0, NULL, HFILL } },
|
|
{ &hf_reason, { "Reason", "m3ua.reason", FT_UINT32, BASE_DEC, VALS(reason_values), 0x0, NULL, HFILL } },
|
|
{ &hf_v5_traffic_mode_type, { "Traffic mode Type", "m3ua.traffic_mode_type", FT_UINT32, BASE_DEC, VALS(v5_traffic_mode_type_values), 0x0, NULL, HFILL } },
|
|
{ &hf_v6_traffic_mode_type, { "Traffic mode Type", "m3ua.traffic_mode_type", FT_UINT32, BASE_DEC, VALS(v6_traffic_mode_type_values), 0x0, NULL, HFILL } },
|
|
{ &hf_v7_traffic_mode_type, { "Traffic mode Type", "m3ua.traffic_mode_type", FT_UINT32, BASE_DEC, VALS(v7_traffic_mode_type_values), 0x0, NULL, HFILL } },
|
|
{ &hf_traffic_mode_type, { "Traffic mode Type", "m3ua.traffic_mode_type", FT_UINT32, BASE_DEC, VALS(traffic_mode_type_values), 0x0, NULL, HFILL } },
|
|
{ &hf_congestion_reserved, { "Reserved", "m3ua.congestion_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_congestion_level, { "Congestion level", "m3ua.congestion_level", FT_UINT8, BASE_DEC, VALS(congestion_level_values), 0x0, NULL, HFILL } },
|
|
{ &hf_concerned_dest_reserved, { "Reserved", "m3ua.concerned_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_concerned_dest_pc, { "Concerned DPC", "m3ua.concerned_dpc", FT_UINT24, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_local_rk_identifier, { "Local routing key identifier", "m3ua.local_rk_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_dpc_mask, { "Mask", "m3ua.dpc_mask", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_dpc_pc, { "Destination point code", "m3ua.dpc_pc", FT_UINT24, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_si, { "Service indicator", "m3ua.si", FT_UINT8, BASE_DEC, VALS(user_identity_values), 0x0, NULL, HFILL } },
|
|
{ &hf_ssn, { "Subsystem number", "m3ua.ssn", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_opc_list_mask, { "Mask", "m3ua.opc_list_mask", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_opc_list_pc, { "Originating point code", "m3ua.opc_list_pc", FT_UINT24, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_cic_range_mask, { "Mask", "m3ua.cic_range_mask", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_cic_range_pc, { "Originating point code", "m3ua.cic_range_pc", FT_UINT24, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_cic_range_lower, { "Lower CIC value", "m3ua.cic_range_lower", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_cic_range_upper, { "Upper CIC value", "m3ua.cic_range_upper", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_li, { "Length indicator", "m3ua.protocol_data_2_li", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_protocol_data_opc, { "OPC", "m3ua.protocol_data_opc", FT_UINT32, BASE_DEC, NULL, 0x0, "Originating Point Code", HFILL } },
|
|
{ &hf_protocol_data_dpc, { "DPC", "m3ua.protocol_data_dpc", FT_UINT32, BASE_DEC, NULL, 0x0, "Destination Point Code", HFILL } },
|
|
{ &hf_protocol_data_mtp3_opc, { "OPC", "mtp3.opc", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_protocol_data_mtp3_dpc, { "DPC", "mtp3.dpc", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_protocol_data_mtp3_pc, { "PC", "mtp3.pc", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_protocol_data_si, { "SI", "m3ua.protocol_data_si", FT_UINT8, BASE_DEC, VALS(mtp3_service_indicator_code_short_vals), 0x0, "Service Indicator", HFILL } },
|
|
{ &hf_protocol_data_ni, { "NI", "m3ua.protocol_data_ni", FT_UINT8, BASE_DEC, VALS(mtp3_network_indicator_vals), 0x0, "Network Indicator", HFILL } },
|
|
{ &hf_protocol_data_mtp3_ni, { "NI", "mtp3.ni", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_protocol_data_mp, { "MP", "m3ua.protocol_data_mp", FT_UINT8, BASE_DEC, NULL, 0x0, "Message Priority", HFILL } },
|
|
{ &hf_protocol_data_sls, { "SLS", "m3ua.protocol_data_sls", FT_UINT8, BASE_DEC, NULL, 0x0, "Signalling Link Selection", HFILL } },
|
|
{ &hf_protocol_data_mtp3_sls, { "SLS", "mtp3.sls", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_correlation_identifier, { "Correlation Identifier", "m3ua.correlation_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_registration_status, { "Registration status", "m3ua.registration_status", FT_UINT32, BASE_DEC, VALS(registration_status_values), 0x0, NULL, HFILL } },
|
|
{ &hf_deregistration_status, { "Deregistration status", "m3ua.deregistration_status", FT_UINT32, BASE_DEC, VALS(deregistration_status_values), 0x0, NULL, HFILL } },
|
|
{ &hf_registration_result_identifier, { "Local RK-identifier value", "m3ua.registration_result_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_registration_result_status, { "Registration status", "m3ua.registration_results_status", FT_UINT32, BASE_DEC, VALS(registration_result_status_values), 0x0, NULL, HFILL } },
|
|
{ &hf_registration_result_context, { "Routing context", "m3ua.registration_result_routing_context", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_v6_deregistration_result_status, { "De-Registration status", "m3ua.deregistration_results_status", FT_UINT32, BASE_DEC, VALS(v6_deregistration_result_status_values), 0x0, NULL, HFILL } },
|
|
{ &hf_v6_deregistration_result_context, { "Routing context", "m3ua.deregistration_result_routing_context", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_heuristic_standard, { "Heuristic standard", "m3ua.heuristic_standard", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_m3ua,
|
|
&ett_parameter,
|
|
&ett_mtp3_equiv,
|
|
&ett_q708_opc,
|
|
&ett_q708_dpc,
|
|
};
|
|
|
|
static const enum_val_t options[] = {
|
|
{ "draft-5", "Internet Draft version 5", M3UA_V5 },
|
|
{ "draft-6", "Internet Draft version 6", M3UA_V6 },
|
|
{ "draft-7", "Internet Draft version 7", M3UA_V7 },
|
|
{ "rfc4666", "RFC 4666", M3UA_RFC },
|
|
{ NULL, NULL, 0 }
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_m3ua = proto_register_protocol("MTP 3 User Adaptation Layer", "M3UA", "m3ua");
|
|
register_dissector("m3ua", dissect_m3ua, proto_m3ua);
|
|
|
|
m3ua_module = prefs_register_protocol(proto_m3ua, NULL);
|
|
prefs_register_enum_preference(m3ua_module, "version", "M3UA Version", "Version used by Wireshark", &version, 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_tap = register_tap("m3ua");
|
|
|
|
}
|
|
|
|
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 = find_dissector("m3ua");
|
|
dissector_add_uint("sctp.ppi", M3UA_PAYLOAD_PROTOCOL_ID, m3ua_handle);
|
|
dissector_add_uint("sctp.port", SCTP_PORT_M3UA, m3ua_handle);
|
|
|
|
si_dissector_table = find_dissector_table("mtp3.service_indicator");
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 2
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=2 tabstop=8 expandtab:
|
|
* :indentSize=2:tabSize=8:noTabs=true:
|
|
*/
|