1145 lines
58 KiB
C
1145 lines
58 KiB
C
/* packet-m2ua.c
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* Routines for MTP2 User Adaptation Layer dissection
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* It is hopefully (needs testing) compliant to
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* https://tools.ietf.org/html/rfc3331
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* To do: - provide better handling of length parameters
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*
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* Copyright 2002, 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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* SPDX-License-Identifier: GPL-2.0-or-later
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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 <wsutil/ws_roundup.h>
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void proto_register_m2ua(void);
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void proto_reg_handoff_m2ua(void);
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#define SCTP_PORT_M2UA 2904
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/* Initialize the protocol and registered fields */
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static int proto_m2ua = -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_message_type = -1;
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static int hf_message_length = -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_interface_id_int = -1;
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static int hf_interface_id_text = -1;
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static int hf_info_string = -1;
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static int hf_diagnostic_information = -1;
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static int hf_interface_id_start = -1;
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static int hf_interface_id_stop = -1;
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static int hf_heartbeat_data = -1;
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static int hf_traffic_mode_type = -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_ident = -1;
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static int hf_asp_id = -1;
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static int hf_correlation_id = -1;
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static int hf_data_2_li = -1;
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static int hf_state = -1;
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static int hf_event = -1;
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static int hf_congestion_status = -1;
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static int hf_discard_status = -1;
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static int hf_action = -1;
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static int hf_sequence_number = -1;
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static int hf_retrieval_result = -1;
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static int hf_local_lk_id = -1;
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static int hf_sdt_reserved = -1;
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static int hf_sdt_id = -1;
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static int hf_sdl_reserved = -1;
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static int hf_sdl_id = -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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/* Initialize the subtree pointers */
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static gint ett_m2ua = -1;
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static gint ett_m2ua_parameter = -1;
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static dissector_handle_t mtp3_handle;
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static dissector_handle_t m2ua_handle;
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static void
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dissect_parameters(tvbuff_t *, packet_info *, proto_tree *, proto_tree *);
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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 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_ASPSM_MESSAGE 3
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#define MESSAGE_CLASS_ASPTM_MESSAGE 4
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#define MESSAGE_CLASS_MAUP_MESSAGE 6
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#define MESSAGE_CLASS_IIM_MESSAGE 10
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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_ASPSM_MESSAGE, "ASP state maintenance messages" },
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{ MESSAGE_CLASS_ASPTM_MESSAGE, "ASP traffic maintenance messages" },
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{ MESSAGE_CLASS_MAUP_MESSAGE, "MTP2 user adaptation messages" },
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{ MESSAGE_CLASS_IIM_MESSAGE, "Interface identifier management messages" },
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{ 0, NULL } };
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/* MGMT */
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#define MESSAGE_TYPE_ERR 0
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#define MESSAGE_TYPE_NTFY 1
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/* ASPSM */
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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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/* ASPTM */
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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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/* MAUP */
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#define MESSAGE_TYPE_DATA 1
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#define MESSAGE_TYPE_ESTAB_REQ 2
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#define MESSAGE_TYPE_ESTAB_CONF 3
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#define MESSAGE_TYPE_REL_REQ 4
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#define MESSAGE_TYPE_REL_CONF 5
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#define MESSAGE_TYPE_REL_IND 6
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#define MESSAGE_TYPE_STATE_REQ 7
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#define MESSAGE_TYPE_STATE_CONF 8
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#define MESSAGE_TYPE_STATE_IND 9
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#define MESSAGE_TYPE_DATA_RETR_REQ 10
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#define MESSAGE_TYPE_DATA_RETR_CONF 11
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#define MESSAGE_TYPE_DATA_RETR_IND 12
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#define MESSAGE_TYPE_DATA_RETR_COMP_IND 13
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#define MESSAGE_TYPE_CONG_IND 14
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#define MESSAGE_TYPE_DATA_ACK 15
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/* IIM */
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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 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_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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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA, "DATA (DATA)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_REQ, "Establish request (ESTAB_REQ)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_CONF, "Establish confirm (ESTAB_CONF)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_REQ, "Release request (REL_REQ)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_CONF, "Release confirm (REL_CONF)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_IND, "Release indication (REL_IND)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_REQ, "State request (STATE_REQ)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_CONF, "State confirm (STATE_CONF)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_IND, "State indication (STATE_IND)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_REQ, "Data retrieval request (DATA_RETR_REQ)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_CONF, "Data retrieval confirm (DATA_RETR_CONF)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_IND, "Data retrieval indication (DATA_RETR_IND)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_COMP_IND, "Data retrieval complete indication (DATA_RETR_COMP_IND)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_CONG_IND, "Congestion indication (CONG_IND)" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_ACK, "Data acknowledge (DATA_ACK)" },
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{ MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "Registration request (REG_REQ)" },
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{ MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "Registration response (REG_RSP)" },
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{ MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "Deregistration request (DEREG_REQ)" },
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{ MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "Deregistration response (DEREG_RSP)" },
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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_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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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA, "DATA" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_REQ, "ESTAB_REQ" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_CONF, "ESTAB_CONF" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_REQ, "REL_REQ" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_CONF, "REL_CONF" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_IND, "REL_IND" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_REQ, "STATE_REQ" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_CONF, "STATE_CONF" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_IND, "STATE_IND" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_REQ, "DATA_RETR_REQ" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_CONF, "DATA_RETR_CONF" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_IND, "DATA_RETR_IND" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_COMP_IND, "DATA_RETR_COMP_IND" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_CONG_IND, "CONG_IND" },
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{ MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_ACK, "DATA_ACK" },
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{ MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "REG_REQ" },
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{ MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "REG_RSP" },
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{ MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "DEREG_REQ" },
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{ MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "DEREG_RSP" },
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{ 0, NULL } };
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static void
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dissect_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *m2ua_tree)
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{
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guint8 message_class, message_type;
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/* Extract the common header */
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message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET);
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message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET);
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str_const(message_class * 256 + message_type, message_class_type_acro_values, "reserved"));
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if (m2ua_tree) {
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/* add the components of the common header to the protocol tree */
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proto_tree_add_item(m2ua_tree, hf_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, ENC_BIG_ENDIAN);
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proto_tree_add_item(m2ua_tree, hf_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, ENC_BIG_ENDIAN);
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proto_tree_add_item(m2ua_tree, hf_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, ENC_BIG_ENDIAN);
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proto_tree_add_uint_format_value(m2ua_tree, hf_message_type, common_header_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, message_type,
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"%s (%u)",
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val_to_str_const(message_class * 256 + message_type, message_class_type_values, "reserved"), message_type);
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proto_tree_add_item(m2ua_tree, hf_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, ENC_BIG_ENDIAN);
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}
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}
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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 INT_INTERFACE_ID_OFFSET PARAMETER_VALUE_OFFSET
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#define INT_INTERFACE_ID_LENGTH 4
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static void
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dissect_interface_identifier_int_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
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{
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proto_tree_add_item(parameter_tree, hf_interface_id_int, parameter_tvb, INT_INTERFACE_ID_OFFSET, INT_INTERFACE_ID_LENGTH, ENC_BIG_ENDIAN);
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proto_item_append_text(parameter_item, " (%d)", tvb_get_ntohl(parameter_tvb, INT_INTERFACE_ID_OFFSET));
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}
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#define TEXT_INTERFACE_ID_OFFSET PARAMETER_VALUE_OFFSET
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static void
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dissect_interface_identifier_text_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
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{
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guint16 interface_id_length;
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interface_id_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
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proto_tree_add_item(parameter_tree, hf_interface_id_text, parameter_tvb, TEXT_INTERFACE_ID_OFFSET, interface_id_length, ENC_ASCII);
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proto_item_append_text(parameter_item, " (%s)",
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tvb_format_text(wmem_packet_scope(), parameter_tvb, TEXT_INTERFACE_ID_OFFSET, interface_id_length));
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}
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#define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
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static void
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dissect_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
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{
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guint16 info_string_length;
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info_string_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
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proto_tree_add_item(parameter_tree, hf_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, ENC_ASCII);
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proto_item_append_text(parameter_item, " (%s)",
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tvb_format_text(wmem_packet_scope(), parameter_tvb, INFO_STRING_OFFSET, info_string_length));
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}
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#define DIAGNOSTIC_INFO_OFFSET PARAMETER_VALUE_OFFSET
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static void
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dissect_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
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{
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guint16 diag_info_length;
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diag_info_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
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proto_tree_add_item(parameter_tree, hf_diagnostic_information, parameter_tvb, DIAGNOSTIC_INFO_OFFSET, diag_info_length, ENC_NA);
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proto_item_append_text(parameter_item, " (%u byte%s)", diag_info_length, plurality(diag_info_length, "", "s"));
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}
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#define START_LENGTH 4
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#define END_LENGTH 4
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#define INTERVAL_LENGTH (START_LENGTH + END_LENGTH)
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#define START_OFFSET 0
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#define END_OFFSET (START_OFFSET + START_LENGTH)
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static void
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dissect_interface_identifier_range_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
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{
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guint16 number_of_ranges, range_number;
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gint offset;
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number_of_ranges = (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) / INTERVAL_LENGTH;
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offset = PARAMETER_VALUE_OFFSET;
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for(range_number = 0; range_number < number_of_ranges; range_number++) {
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proto_tree_add_item(parameter_tree, hf_interface_id_start, parameter_tvb, offset + START_OFFSET, START_LENGTH, ENC_BIG_ENDIAN);
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proto_tree_add_item(parameter_tree, hf_interface_id_stop, parameter_tvb, offset + END_OFFSET, END_LENGTH, ENC_BIG_ENDIAN);
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offset += INTERVAL_LENGTH;
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};
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proto_item_append_text(parameter_item, " (%u range%s)", number_of_ranges, plurality(number_of_ranges, "", "s"));
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}
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#define HEARTBEAT_DATA_OFFSET PARAMETER_VALUE_OFFSET
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static void
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dissect_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
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{
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guint16 heartbeat_data_length;
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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 OVER_RIDE_TYPE 1
|
|
#define LOAD_SHARE_TYPE 2
|
|
#define BROADCAST_TYPE 3
|
|
|
|
static const value_string traffic_mode_type_values[] = {
|
|
{ OVER_RIDE_TYPE , "Override" },
|
|
{ LOAD_SHARE_TYPE, "Load-share" },
|
|
{ BROADCAST_TYPE, "Broadcast" },
|
|
{ 0, NULL } };
|
|
|
|
#define TRAFFIC_MODE_TYPE_LENGTH 4
|
|
#define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
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 INVALID_VERSION_ERROR_CODE 0x01
|
|
#define INVALID_INTERFACE_IDENTIFIER_ERROR_CODE 0x02
|
|
#define UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE 0x03
|
|
#define UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE 0x04
|
|
#define UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR_CODE 0x05
|
|
#define UNEXPECTED_MESSAGE_ERROR_CODE 0x06
|
|
#define PROTOCOL_ERROR_ERROR_CODE 0x07
|
|
#define UNSUPPORTED_INTERFACE_IDENTIFIER_TYPE_ERROR_CODE 0x08
|
|
#define INVALID_STREAM_IDENTIFIER_ERROR_CODE 0x09
|
|
#define REFUSED_ERROR_CODE 0x0d
|
|
#define ASP_IDENTIFIER_REQUIRED_ERROR_CODE 0x0e
|
|
#define INVALID_ASP_IDENTIFIER_ERROR_CODE 0x0f
|
|
#define ASP_ACTIVE_FOR_INTERFACE_IDENTIFIER_ERROR_CODE 0x10
|
|
#define INVALID_PARAMETER_VALUE_ERROR_CODE 0x11
|
|
#define PARAMETER_FIELD_ERROR_CODE 0x12
|
|
#define UNEXPECTED_PARAMETER_ERROR_CODE 0x13
|
|
#define MISSING_PARAMETER_ERROR_CODE 0x16
|
|
|
|
static const value_string error_code_values[] = {
|
|
{ INVALID_VERSION_ERROR_CODE, "Invalid version" },
|
|
{ INVALID_INTERFACE_IDENTIFIER_ERROR_CODE, "Invalid interface identifier" },
|
|
{ UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE, "Unsupported message class" },
|
|
{ UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE, "Unsupported message type" },
|
|
{ UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR_CODE, "Unsupported traffic handling mode" },
|
|
{ UNEXPECTED_MESSAGE_ERROR_CODE, "Unexpected message" },
|
|
{ PROTOCOL_ERROR_ERROR_CODE, "Protocol error" },
|
|
{ UNSUPPORTED_INTERFACE_IDENTIFIER_TYPE_ERROR_CODE, "Unsupported interface identifier type" },
|
|
{ INVALID_STREAM_IDENTIFIER_ERROR_CODE, "Invalid stream identifier" },
|
|
{ REFUSED_ERROR_CODE, "Refused - management blocking" },
|
|
{ ASP_IDENTIFIER_REQUIRED_ERROR_CODE, "ASP identifier required" },
|
|
{ INVALID_ASP_IDENTIFIER_ERROR_CODE, "Invalid ASP identifier" },
|
|
{ ASP_ACTIVE_FOR_INTERFACE_IDENTIFIER_ERROR_CODE, "ASP active for interface identifier" },
|
|
{ INVALID_PARAMETER_VALUE_ERROR_CODE, "Invalid parameter value" },
|
|
{ PARAMETER_FIELD_ERROR_CODE, "Parameter field error" },
|
|
{ UNEXPECTED_PARAMETER_ERROR_CODE, "Unexpected parameter" },
|
|
{ MISSING_PARAMETER_ERROR_CODE, "Missing parameter" },
|
|
{ 0, NULL } };
|
|
|
|
#define ERROR_CODE_LENGTH 4
|
|
#define ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
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 status_type_id_values[] = {
|
|
{ AS_STATE_CHANGE_TYPE * 256 * 256 + RESERVED_INFO, "Reserved" },
|
|
{ AS_STATE_CHANGE_TYPE * 256 * 256 + AS_INACTIVE_INFO, "Application server inactive" },
|
|
{ AS_STATE_CHANGE_TYPE * 256 * 256 + AS_ACTIVE_INFO, "Application server active" },
|
|
{ AS_STATE_CHANGE_TYPE * 256 * 256 + AS_PENDING_INFO, "Application server pending" },
|
|
{ OTHER_TYPE * 256 * 256 + INSUFFICIENT_ASP_RES_INFO, "Insufficient ASP resources active in AS" },
|
|
{ OTHER_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_INFO, "Alternate ASP active" },
|
|
{ OTHER_TYPE * 256 * 256 + ASP_FAILURE_INFO, "ASP Failure" },
|
|
{0, NULL } };
|
|
|
|
#define STATUS_TYPE_LENGTH 2
|
|
#define STATUS_IDENT_LENGTH 2
|
|
|
|
#define STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define STATUS_IDENT_OFFSET (STATUS_TYPE_OFFSET + STATUS_TYPE_LENGTH)
|
|
|
|
static void
|
|
dissect_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 status_type, status_id;
|
|
|
|
status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET);
|
|
status_id = tvb_get_ntohs(parameter_tvb, STATUS_IDENT_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(parameter_tree, hf_status_ident, parameter_tvb, STATUS_IDENT_OFFSET, STATUS_IDENT_LENGTH,
|
|
status_id, "Status identification: %u (%s)", status_id,
|
|
val_to_str_const(status_type * 256 * 256 + status_id, status_type_id_values, "unknown"));
|
|
|
|
proto_item_append_text(parameter_item, " (%s)",
|
|
val_to_str_const(status_type * 256 * 256 + status_id, status_type_id_values, "unknown status information"));
|
|
}
|
|
|
|
#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_id, 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 CORRELATION_ID_LENGTH 4
|
|
#define CORRELATION_ID_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
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_id, parameter_tvb, CORRELATION_ID_OFFSET, CORRELATION_ID_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, CORRELATION_ID_OFFSET));
|
|
}
|
|
|
|
#define DATA_1_MTP3_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)
|
|
{
|
|
tvbuff_t *payload_tvb;
|
|
guint32 payload_length;
|
|
|
|
payload_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
|
|
|
|
payload_tvb = tvb_new_subset_length(parameter_tvb, DATA_1_MTP3_OFFSET, payload_length);
|
|
proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH);
|
|
call_dissector(mtp3_handle, payload_tvb, pinfo, tree);
|
|
|
|
proto_item_set_text(parameter_item, "Data 1 parameter");
|
|
}
|
|
|
|
#define DATA_2_LI_LENGTH 1
|
|
#define DATA_2_LI_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define DATA_2_MTP3_OFFSET (DATA_2_LI_OFFSET + DATA_2_LI_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)
|
|
{
|
|
tvbuff_t *payload_tvb;
|
|
guint32 payload_length;
|
|
|
|
payload_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH - DATA_2_LI_LENGTH;
|
|
|
|
proto_tree_add_item(parameter_tree, hf_data_2_li, parameter_tvb, DATA_2_LI_OFFSET, DATA_2_LI_LENGTH, ENC_BIG_ENDIAN);
|
|
payload_tvb = tvb_new_subset_length(parameter_tvb, DATA_2_MTP3_OFFSET, payload_length);
|
|
proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH + DATA_2_LI_LENGTH);
|
|
call_dissector(mtp3_handle, payload_tvb, pinfo, tree);
|
|
}
|
|
|
|
|
|
#define STATUS_LPO_SET 0x0
|
|
#define STATUS_LPO_CLEAR 0x1
|
|
#define STATUS_EMER_SET 0x2
|
|
#define STATUS_EMER_CLEAR 0x3
|
|
#define STATUS_FLUSH_BUFFERS 0x4
|
|
#define STATUS_CONTINUE 0x5
|
|
#define STATUS_CLEAR_RTB 0x6
|
|
#define STATUS_AUDIT 0x7
|
|
#define STATUS_CONG_CLEAR 0x8
|
|
#define STATUS_CONG_ACCEPT 0x9
|
|
#define STATUS_CONG_DISCARD 0xa
|
|
|
|
static const value_string state_values[] = {
|
|
{ STATUS_LPO_SET, "Request local processor outage" },
|
|
{ STATUS_LPO_CLEAR, "Request local processor outage recovered" },
|
|
{ STATUS_EMER_SET, "Request emergency alignment" },
|
|
{ STATUS_EMER_CLEAR, "Request normal alignment (cancel emergency)" },
|
|
{ STATUS_FLUSH_BUFFERS, "Flush or clear receive, transmit and retransmit queues" },
|
|
{ STATUS_CONTINUE, "Continue or Resume" },
|
|
{ STATUS_CLEAR_RTB, "Clear the retransmit queue" },
|
|
{ STATUS_AUDIT, "Audit state of link" },
|
|
{ STATUS_CONG_CLEAR, "Congestion cleared" },
|
|
{ STATUS_CONG_ACCEPT, "Congestion accept" },
|
|
{ STATUS_CONG_DISCARD, "Congestion discard" },
|
|
{0, NULL } };
|
|
|
|
#define STATE_LENGTH 4
|
|
#define STATE_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_state_request_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_state, parameter_tvb, STATE_OFFSET, STATE_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, STATE_OFFSET), state_values, "unknown"));
|
|
}
|
|
|
|
#define EVENT_RPO_ENTER 0x1
|
|
#define EVENT_RPO_EXIT 0x2
|
|
#define EVENT_LPO_ENTER 0x3
|
|
#define EVENT_LPO_EXIT 0x4
|
|
|
|
static const value_string event_values[] = {
|
|
{ EVENT_RPO_ENTER, "Remote entered processor outage" },
|
|
{ EVENT_RPO_EXIT, "Remote exited processor outage" },
|
|
{ EVENT_LPO_ENTER, "Link entered processor outage" },
|
|
{ EVENT_LPO_EXIT, "Link exited processor outage" },
|
|
{0, NULL } };
|
|
|
|
#define EVENT_LENGTH 4
|
|
#define EVENT_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_state_event_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_event, parameter_tvb, EVENT_OFFSET, EVENT_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, STATE_OFFSET), event_values, "unknown"));
|
|
}
|
|
|
|
#define LEVEL_NONE 0x0
|
|
#define LEVEL_1 0x1
|
|
#define LEVEL_2 0x2
|
|
#define LEVEL_3 0x3
|
|
|
|
static const value_string level_values[] = {
|
|
{ LEVEL_NONE, "No congestion" },
|
|
{ LEVEL_1, "Congestion Level 1" },
|
|
{ LEVEL_2, "Congestion Level 2" },
|
|
{ LEVEL_3, "Congestion Level 3" },
|
|
{0, NULL } };
|
|
|
|
#define CONGESTION_STATUS_LENGTH 4
|
|
#define CONGESTION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_congestion_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_congestion_status, parameter_tvb, CONGESTION_STATUS_OFFSET, CONGESTION_STATUS_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, CONGESTION_STATUS_OFFSET), level_values, "unknown"));
|
|
}
|
|
|
|
#define DISCARD_STATUS_LENGTH 4
|
|
#define DISCARD_STATUS_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_discard_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_discard_status, parameter_tvb, DISCARD_STATUS_OFFSET, DISCARD_STATUS_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, DISCARD_STATUS_OFFSET), level_values, "unknown"));
|
|
}
|
|
|
|
#define ACTION_RTRV_BSN 0x1
|
|
#define ACTION_RTRV_MSGS 0x2
|
|
|
|
static const value_string action_values[] = {
|
|
{ ACTION_RTRV_BSN, "Retrieve the backward sequence number" },
|
|
{ ACTION_RTRV_MSGS, "Retrieve the PDUs from the transmit and retransmit queues" },
|
|
{0, NULL } };
|
|
|
|
|
|
#define ACTION_LENGTH 4
|
|
#define ACTION_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_action_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_action, parameter_tvb, ACTION_OFFSET, ACTION_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, ACTION_OFFSET), action_values, "unknown"));
|
|
}
|
|
|
|
#define SEQUENCE_NUMBER_LENGTH 4
|
|
#define SEQUENCE_NUMBER_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_sequence_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_sequence_number, parameter_tvb, SEQUENCE_NUMBER_OFFSET, SEQUENCE_NUMBER_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, SEQUENCE_NUMBER_OFFSET));
|
|
}
|
|
|
|
#define RESULT_SUCCESS 0x0
|
|
#define RESULT_FAILURE 0x1
|
|
|
|
static const value_string retrieval_result_values[] = {
|
|
{ RESULT_SUCCESS, "Action successful" },
|
|
{ RESULT_FAILURE , "Action failed" },
|
|
{ 0, NULL } };
|
|
|
|
|
|
#define RETRIEVAL_RESULT_LENGTH 4
|
|
#define RETRIEVAL_RESULT_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_retrieval_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_retrieval_result, parameter_tvb, RETRIEVAL_RESULT_OFFSET, RETRIEVAL_RESULT_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, RETRIEVAL_RESULT_OFFSET), retrieval_result_values, "unknown"));
|
|
}
|
|
|
|
static void
|
|
dissect_link_key_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);
|
|
}
|
|
|
|
#define LOCAL_LK_ID_LENGTH 4
|
|
#define LOCAL_LK_ID_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
static void
|
|
dissect_local_lk_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_local_lk_id, parameter_tvb, LOCAL_LK_ID_OFFSET, LOCAL_LK_ID_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, LOCAL_LK_ID_OFFSET));
|
|
}
|
|
|
|
#define SDT_RESERVED_LENGTH 2
|
|
#define SDT_ID_LENGTH 2
|
|
#define SDT_RESERVED_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define SDT_ID_OFFSET (SDT_RESERVED_OFFSET + SDT_RESERVED_LENGTH)
|
|
|
|
static void
|
|
dissect_sdt_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_sdt_reserved, parameter_tvb, SDT_RESERVED_OFFSET, SDT_RESERVED_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(parameter_tree, hf_sdt_id, parameter_tvb, SDT_ID_OFFSET, SDT_ID_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohs(parameter_tvb, SDT_ID_OFFSET));
|
|
}
|
|
|
|
#define SDL_RESERVED_LENGTH 2
|
|
#define SDL_ID_LENGTH 2
|
|
#define SDL_RESERVED_OFFSET PARAMETER_VALUE_OFFSET
|
|
#define SDL_ID_OFFSET (SDL_RESERVED_OFFSET + SDL_RESERVED_LENGTH)
|
|
|
|
static void
|
|
dissect_sdl_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_item(parameter_tree, hf_sdl_reserved, parameter_tvb, SDL_RESERVED_OFFSET, SDL_RESERVED_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(parameter_tree, hf_sdl_id, parameter_tvb, SDL_ID_OFFSET, SDL_ID_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohs(parameter_tvb, SDL_ID_OFFSET));
|
|
}
|
|
|
|
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 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);
|
|
}
|
|
|
|
#define SUCCESSFULL_REGISTRATION_STATUS 0
|
|
#define UNKNOWN_REGISTRATION_STATUS 1
|
|
#define INVALID_SDLI_REGISTRATION_STATUS 2
|
|
#define INVALID_SDTI_REGISTRATION_STATUS 3
|
|
#define INVALID_LINK_KEY_REGISTRATION_STATUS 4
|
|
#define PERMISSION_DENIED_REGISTRATION_STATUS 5
|
|
#define OVERLAPPING_LINK_KEY_REGISTRATION_STATUS 6
|
|
#define LINK_KEY_NOT_PROVISIONED_REGISTRATION_STATUS 7
|
|
#define INSUFFICIENT_RESOURCES_REGISTRATION_STATUS 8
|
|
|
|
static const value_string registration_status_values[] = {
|
|
{ SUCCESSFULL_REGISTRATION_STATUS, "Successfully registered" },
|
|
{ UNKNOWN_REGISTRATION_STATUS, "Error - Unknown" },
|
|
{ INVALID_SDLI_REGISTRATION_STATUS, "Error - Invalid SDLI" },
|
|
{ INVALID_SDTI_REGISTRATION_STATUS, "Error - Invalid SDTI" },
|
|
{ INVALID_LINK_KEY_REGISTRATION_STATUS, "Error - Invalid link key" },
|
|
{ PERMISSION_DENIED_REGISTRATION_STATUS, "Error - Permission denied" },
|
|
{ OVERLAPPING_LINK_KEY_REGISTRATION_STATUS, "Error - Overlapping (Non-unique) link key" },
|
|
{ LINK_KEY_NOT_PROVISIONED_REGISTRATION_STATUS, "Error - Link key not provisioned" },
|
|
{ INSUFFICIENT_RESOURCES_REGISTRATION_STATUS, "Error - Insufficient resources" },
|
|
{ 0, NULL } };
|
|
|
|
#define REGISTRATION_STATUS_LENGTH 4
|
|
#define REGISTRATION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
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, REGISTRATION_STATUS_OFFSET, REGISTRATION_STATUS_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, REGISTRATION_STATUS_OFFSET), registration_status_values, "unknown"));
|
|
}
|
|
|
|
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 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);
|
|
}
|
|
|
|
#define SUCCESSFULL_DEREGISTRATION_STATUS 0
|
|
#define UNKNOWN_DEREGISTRATION_STATUS 1
|
|
#define INVALID_INTERFACE_IDENTIFIER_DEREGISTRATION_STATUS 2
|
|
#define PERMISSION_DENIED_DEREGISTRATION_STATUS 3
|
|
#define NOT_REGISTRED_DEREGISTRATION_STATUS 4
|
|
|
|
static const value_string deregistration_status_values[] = {
|
|
{ SUCCESSFULL_DEREGISTRATION_STATUS, "Successfully deregistered" },
|
|
{ UNKNOWN_DEREGISTRATION_STATUS, "Error - Unknown" },
|
|
{ INVALID_INTERFACE_IDENTIFIER_DEREGISTRATION_STATUS, "Error - Invalid interface identifier" },
|
|
{ PERMISSION_DENIED_DEREGISTRATION_STATUS, "Error - Permission denied" },
|
|
{ NOT_REGISTRED_DEREGISTRATION_STATUS, "Error - Not registered" },
|
|
{ 0, NULL } };
|
|
|
|
#define DEREGISTRATION_STATUS_LENGTH 4
|
|
#define DEREGISTRATION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
|
|
|
|
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, DEREGISTRATION_STATUS_OFFSET, DEREGISTRATION_STATUS_LENGTH, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, DEREGISTRATION_STATUS_OFFSET), deregistration_status_values, "unknown"));
|
|
}
|
|
|
|
static void
|
|
dissect_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 parameter_value_length;
|
|
|
|
parameter_value_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
|
|
if (parameter_value_length > 0)
|
|
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, " with tag %u and %u byte%s value",
|
|
tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET), parameter_value_length, plurality(parameter_value_length, "", "s"));
|
|
}
|
|
|
|
/* Common parameter tags */
|
|
#define INTERFACE_IDENTIFIER_INT_PARAMETER_TAG 0x0001
|
|
#define INTERFACE_IDENTIFIER_TEXT_PARAMETER_TAG 0x0003
|
|
#define INFO_STRING_PARAMETER_TAG 0x0004
|
|
#define DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x0007
|
|
#define INTERFACE_IDENTIFIER_RANGE_PARAMETER_TAG 0x0008
|
|
#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 CORRELATION_IDENTIFIER_PARAMETER_TAG 0x0013
|
|
|
|
/* M2PA specific parameter tags */
|
|
#define PROTOCOL_DATA_1_PARAMETER_TAG 0x0300
|
|
#define PROTOCOL_DATA_2_PARAMETER_TAG 0x0301
|
|
#define STATE_REQUEST_PARAMETER_TAG 0x0302
|
|
#define STATE_EVENT_PARAMETER_TAG 0x0303
|
|
#define CONGESTION_STATUS_PARAMETER_TAG 0x0304
|
|
#define DISCARD_STATUS_PARAMETER_TAG 0x0305
|
|
#define ACTION_PARAMETER_TAG 0x0306
|
|
#define SEQUENCE_NUMBER_PARAMETER_TAG 0x0307
|
|
#define RETRIEVAL_RESULT_PARAMETER_TAG 0x0308
|
|
#define LINK_KEY_PARAMETER_TAG 0x0309
|
|
#define LOCAL_LK_IDENTIFIER_PARAMETER_TAG 0x030a
|
|
#define SDT_IDENTIFIER_PARAMETER_TAG 0x030b
|
|
#define SDL_IDENTIFIER_PARAMETER_TAG 0x030c
|
|
#define REG_RESULT_PARAMETER_TAG 0x030d
|
|
#define REG_STATUS_PARAMETER_TAG 0x030e
|
|
#define DEREG_RESULT_PARAMETER_TAG 0x030f
|
|
#define DEREG_STATUS_PARAMETER_TAG 0x0310
|
|
|
|
static const value_string parameter_tag_values[] = {
|
|
{ INTERFACE_IDENTIFIER_INT_PARAMETER_TAG, "Interface identifier (integer)" },
|
|
{ INTERFACE_IDENTIFIER_TEXT_PARAMETER_TAG, "Interface identifier (text)" },
|
|
{ INFO_STRING_PARAMETER_TAG, "Info string" },
|
|
{ DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
|
|
{ INTERFACE_IDENTIFIER_RANGE_PARAMETER_TAG, "Interface identifier (integer range)" },
|
|
{ HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" },
|
|
{ TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
|
|
{ ERROR_CODE_PARAMETER_TAG, "Error code" },
|
|
{ STATUS_PARAMETER_TAG, "Status type / information" },
|
|
{ ASP_IDENTIFIER_PARAMETER_TAG, "ASP identifier" },
|
|
{ CORRELATION_IDENTIFIER_PARAMETER_TAG, "Correlation identifier" },
|
|
{ PROTOCOL_DATA_1_PARAMETER_TAG, "Protocol data 1" },
|
|
{ PROTOCOL_DATA_2_PARAMETER_TAG, "Protocol data 2" },
|
|
{ STATE_REQUEST_PARAMETER_TAG, "State request" },
|
|
{ STATE_EVENT_PARAMETER_TAG, "State event" },
|
|
{ CONGESTION_STATUS_PARAMETER_TAG, "Congestion state" },
|
|
{ DISCARD_STATUS_PARAMETER_TAG, "Discard state" },
|
|
{ ACTION_PARAMETER_TAG, "Action" },
|
|
{ SEQUENCE_NUMBER_PARAMETER_TAG, "Sequence number" },
|
|
{ RETRIEVAL_RESULT_PARAMETER_TAG, "Retrieval result" },
|
|
{ LINK_KEY_PARAMETER_TAG, "Link key" },
|
|
{ LOCAL_LK_IDENTIFIER_PARAMETER_TAG, "Local LK identifier" },
|
|
{ SDT_IDENTIFIER_PARAMETER_TAG, "SDT identifier" },
|
|
{ SDL_IDENTIFIER_PARAMETER_TAG, "SDL identifier" },
|
|
{ REG_RESULT_PARAMETER_TAG, "Registration result" },
|
|
{ REG_STATUS_PARAMETER_TAG, "Registration status" },
|
|
{ DEREG_RESULT_PARAMETER_TAG, "Deregistration result" },
|
|
{ DEREG_STATUS_PARAMETER_TAG, "Deregistration status" },
|
|
{ 0, NULL } };
|
|
|
|
/*
|
|
* Default preference for 'Protocol Data 1 Parameter Tag' is RFC3331 value
|
|
* defined above (PROTOCOL_DATA_1_PARAMETER_TAG)
|
|
*
|
|
* The other option is the old Draft 7 value defined below.
|
|
*/
|
|
#define PROTOCOL_DATA_1_DRAFT_7 0x000e
|
|
static gint protocol_data_1_global = PROTOCOL_DATA_1_PARAMETER_TAG;
|
|
|
|
static void
|
|
dissect_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m2ua_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);
|
|
|
|
/* calculate padding and total length */
|
|
padding_length = tvb_reported_length(parameter_tvb) - length;
|
|
|
|
/* create proto_tree stuff */
|
|
parameter_tree = proto_tree_add_subtree(m2ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, -1,
|
|
ett_m2ua_parameter, ¶meter_item, val_to_str_const(tag, parameter_tag_values, "Unknown parameter"));
|
|
|
|
if ((protocol_data_1_global == PROTOCOL_DATA_1_DRAFT_7) &&
|
|
(tag == PROTOCOL_DATA_1_DRAFT_7))
|
|
{
|
|
/* add tag and length to the m2ua tree */
|
|
proto_tree_add_uint_format_value(parameter_tree, hf_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH,
|
|
tag, "Protocol data 1 (0x000e)");
|
|
|
|
proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, ENC_BIG_ENDIAN);
|
|
tag = PROTOCOL_DATA_1_PARAMETER_TAG;
|
|
}
|
|
else
|
|
{
|
|
/* add tag and length to the m2ua 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 INTERFACE_IDENTIFIER_INT_PARAMETER_TAG:
|
|
dissect_interface_identifier_int_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case INTERFACE_IDENTIFIER_TEXT_PARAMETER_TAG:
|
|
dissect_interface_identifier_text_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case INFO_STRING_PARAMETER_TAG:
|
|
dissect_info_string_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 INTERFACE_IDENTIFIER_RANGE_PARAMETER_TAG:
|
|
dissect_interface_identifier_range_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 CORRELATION_IDENTIFIER_PARAMETER_TAG:
|
|
dissect_correlation_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PROTOCOL_DATA_1_PARAMETER_TAG:
|
|
dissect_protocol_data_1_parameter(parameter_tvb, pinfo, tree, parameter_item);
|
|
break;
|
|
case PROTOCOL_DATA_2_PARAMETER_TAG:
|
|
dissect_protocol_data_2_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
|
|
break;
|
|
case STATE_REQUEST_PARAMETER_TAG:
|
|
dissect_state_request_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case STATE_EVENT_PARAMETER_TAG:
|
|
dissect_state_event_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case CONGESTION_STATUS_PARAMETER_TAG:
|
|
dissect_congestion_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case DISCARD_STATUS_PARAMETER_TAG:
|
|
dissect_discard_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case ACTION_PARAMETER_TAG:
|
|
dissect_action_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case SEQUENCE_NUMBER_PARAMETER_TAG:
|
|
dissect_sequence_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case RETRIEVAL_RESULT_PARAMETER_TAG:
|
|
dissect_retrieval_result_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case LINK_KEY_PARAMETER_TAG:
|
|
dissect_link_key_parameter(parameter_tvb, pinfo, tree, parameter_tree);
|
|
break;
|
|
case LOCAL_LK_IDENTIFIER_PARAMETER_TAG:
|
|
dissect_local_lk_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case SDT_IDENTIFIER_PARAMETER_TAG:
|
|
dissect_sdt_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case SDL_IDENTIFIER_PARAMETER_TAG:
|
|
dissect_sdl_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case REG_RESULT_PARAMETER_TAG:
|
|
dissect_registration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree);
|
|
break;
|
|
case REG_STATUS_PARAMETER_TAG:
|
|
dissect_registration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case DEREG_RESULT_PARAMETER_TAG:
|
|
dissect_deregistration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree);
|
|
break;
|
|
case DEREG_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 *m2ua_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 = WS_ROUNDUP_4(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);
|
|
dissect_parameter(parameter_tvb, pinfo, tree, m2ua_tree);
|
|
/* 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 *m2ua_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);
|
|
dissect_common_header(common_header_tvb, pinfo, m2ua_tree);
|
|
dissect_parameters(parameters_tvb, pinfo, tree, m2ua_tree);
|
|
}
|
|
|
|
static int
|
|
dissect_m2ua(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
proto_item *m2ua_item;
|
|
proto_tree *m2ua_tree;
|
|
|
|
/* make entry in the Protocol column on summary display */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "M2UA");
|
|
|
|
/* create the m2ua protocol tree */
|
|
m2ua_item = proto_tree_add_item(tree, proto_m2ua, message_tvb, 0, -1, ENC_NA);
|
|
m2ua_tree = proto_item_add_subtree(m2ua_item, ett_m2ua);
|
|
|
|
/* dissect the message */
|
|
dissect_message(message_tvb, pinfo, tree, m2ua_tree);
|
|
return tvb_captured_length(message_tvb);
|
|
}
|
|
|
|
/* Register the protocol with Wireshark */
|
|
void
|
|
proto_register_m2ua(void)
|
|
{
|
|
|
|
/* Setup list of header fields */
|
|
static hf_register_info hf[] = {
|
|
{ &hf_version, { "Version", "m2ua.version", FT_UINT8, BASE_DEC, VALS(protocol_version_values), 0x0, NULL, HFILL } },
|
|
{ &hf_reserved, { "Reserved", "m2ua.reserved", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_message_class, { "Message class", "m2ua.message_class", FT_UINT8, BASE_DEC, VALS(message_class_values), 0x0, NULL, HFILL } },
|
|
{ &hf_message_type, { "Message Type", "m2ua.message_type", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_message_length, { "Message length", "m2ua.message_length", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_parameter_tag, { "Parameter Tag", "m2ua.parameter_tag", FT_UINT16, BASE_HEX, VALS(parameter_tag_values), 0x0, NULL, HFILL } },
|
|
{ &hf_parameter_length, { "Parameter length", "m2ua.parameter_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_parameter_value, { "Parameter value", "m2ua.parameter_value", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_parameter_padding, { "Padding", "m2ua.parameter_padding", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_interface_id_int, { "Interface Identifier (integer)", "m2ua.interface_identifier_int", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_interface_id_text, { "Interface identifier (text)", "m2ua.interface_identifier_text", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_info_string, { "Info string", "m2ua.info_string", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_diagnostic_information, { "Diagnostic information", "m2ua.diagnostic_information", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_interface_id_start, { "Interface Identifier (start)", "m2ua.interface_identifier_start", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_interface_id_stop, { "Interface Identifier (stop)", "m2ua.interface_identifier_stop", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_heartbeat_data, { "Heartbeat data", "m2ua.heartbeat_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_traffic_mode_type, { "Traffic mode Type", "m2ua.traffic_mode_type", FT_UINT32, BASE_DEC, VALS(traffic_mode_type_values), 0x0, NULL, HFILL } },
|
|
{ &hf_error_code, { "Error code", "m2ua.error_code", FT_UINT32, BASE_DEC, VALS(error_code_values), 0x0, NULL, HFILL } },
|
|
{ &hf_status_type, { "Status type", "m2ua.status_type", FT_UINT16, BASE_DEC, VALS(status_type_values), 0x0, NULL, HFILL } },
|
|
{ &hf_status_ident, { "Status info", "m2ua.status_info", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_asp_id, { "ASP identifier", "m2ua.asp_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_correlation_id, { "Correlation identifier", "m2ua.correlation_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_data_2_li, { "Length indicator", "m2ua.data_2_li", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_state, { "State", "m2ua.state", FT_UINT32, BASE_DEC, VALS(state_values), 0x0, NULL, HFILL } },
|
|
{ &hf_event, { "Event", "m2ua.event", FT_UINT32, BASE_DEC, VALS(event_values), 0x0, NULL, HFILL } },
|
|
{ &hf_congestion_status, { "Congestion status", "m2ua.congestion_status", FT_UINT32, BASE_DEC, VALS(level_values), 0x0, NULL, HFILL } },
|
|
{ &hf_discard_status, { "Discard status", "m2ua.discard_status", FT_UINT32, BASE_DEC, VALS(level_values), 0x0, NULL, HFILL } },
|
|
{ &hf_action, { "Actions", "m2ua.action", FT_UINT32, BASE_DEC, VALS(action_values), 0x0, NULL, HFILL } },
|
|
{ &hf_sequence_number, { "Sequence number", "m2ua.sequence_number", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_retrieval_result, { "Retrieval result", "m2ua.retrieval_result", FT_UINT32, BASE_DEC, VALS(retrieval_result_values), 0x0, NULL, HFILL } },
|
|
{ &hf_local_lk_id, { "Local LK identifier", "m2ua.local_lk_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_sdt_reserved, { "Reserved", "m2ua.sdt_reserved", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_sdt_id, { "SDT identifier", "m2ua.sdt_identifier", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_sdl_reserved, { "Reserved", "m2ua.sdl_reserved", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_sdl_id, { "SDL identifier", "m2ua.sdl_identifier", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_registration_status, { "Registration status", "m2ua.registration_status", FT_UINT32, BASE_DEC, VALS(registration_status_values), 0x0, NULL, HFILL } },
|
|
{ &hf_deregistration_status, { "Deregistration status", "m2ua.deregistration_status", FT_UINT32, BASE_DEC, VALS(deregistration_status_values), 0x0, NULL, HFILL } },
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_m2ua,
|
|
&ett_m2ua_parameter,
|
|
};
|
|
|
|
static const enum_val_t protocol_data_1_options[] = {
|
|
{ "draft-7", "0x000e (Draft 7)", PROTOCOL_DATA_1_DRAFT_7 },
|
|
{ "rfc3331", "0x0300 (RFC3331)", PROTOCOL_DATA_1_PARAMETER_TAG },
|
|
{ NULL, NULL, 0 }
|
|
};
|
|
|
|
module_t *m2ua_module;
|
|
|
|
/* Register the protocol name and description */
|
|
proto_m2ua = proto_register_protocol("MTP 2 User Adaptation Layer", "M2UA", "m2ua");
|
|
m2ua_handle = register_dissector("m2ua", dissect_m2ua, proto_m2ua);
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_m2ua, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
m2ua_module = prefs_register_protocol(proto_m2ua, NULL);
|
|
|
|
prefs_register_enum_preference(m2ua_module,
|
|
"protocol_data_1_tag",
|
|
"Protocol Data 1 Parameter Tag",
|
|
"The value of the parameter tag for protocol data 1",
|
|
&protocol_data_1_global,
|
|
protocol_data_1_options,
|
|
FALSE);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_m2ua(void)
|
|
{
|
|
mtp3_handle = find_dissector_add_dependency("mtp3", proto_m2ua);
|
|
dissector_add_uint("sctp.ppi", M2UA_PAYLOAD_PROTOCOL_ID, m2ua_handle);
|
|
dissector_add_uint("sctp.port", SCTP_PORT_M2UA, m2ua_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://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:
|
|
*/
|