/* packet-m3ua.c * Routines for MTP3 User Adaptation Layer dissection * It is hopefully (needs testing) compilant to * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m3ua-06.txt * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m3ua-12.txt * To do: - clean up the code * - provide better handling of length parameters * - provide good information in summary window * * Copyright 2000, 2001, 2002, Michael Tuexen * * $Id: packet-m3ua.c,v 1.22 2002/12/02 23:43:27 guy Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * Copied from README.developer * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include "prefs.h" #define SCTP_PORT_M3UA 2905 #define M3UA_PAYLOAD_PROTO_ID 3 #define VERSION_LENGTH 1 #define RESERVED_LENGTH 1 #define MESSAGE_CLASS_LENGTH 1 #define MESSAGE_TYPE_LENGTH 1 #define MESSAGE_LENGTH_LENGTH 4 #define COMMON_HEADER_LENGTH (VERSION_LENGTH + RESERVED_LENGTH + MESSAGE_CLASS_LENGTH + \ MESSAGE_TYPE_LENGTH + MESSAGE_LENGTH_LENGTH) #define VERSION_OFFSET 0 #define RESERVED_OFFSET (VERSION_OFFSET + VERSION_LENGTH) #define MESSAGE_CLASS_OFFSET (RESERVED_OFFSET + RESERVED_LENGTH) #define MESSAGE_TYPE_OFFSET (MESSAGE_CLASS_OFFSET + MESSAGE_CLASS_LENGTH) #define MESSAGE_LENGTH_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH) #define PARAMETER_TAG_LENGTH 2 #define PARAMETER_LENGTH_LENGTH 2 #define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_LENGTH) #define PARAMETER_TAG_OFFSET 0 #define PARAMETER_LENGTH_OFFSET (PARAMETER_TAG_OFFSET + PARAMETER_TAG_LENGTH) #define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH) #define PARAMETER_HEADER_OFFSET PARAMETER_TAG_OFFSET #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 m3ua_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 } }; #define V12_INFO_STRING_PARAMETER_TAG 0x0004 #define V12_ROUTING_CONTEXT_PARAMETER_TAG 0x0006 #define V12_DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x0007 #define V12_HEARTBEAT_DATA_PARAMETER_TAG 0x0009 #define V12_TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x000b #define V12_ERROR_CODE_PARAMETER_TAG 0x000c #define V12_STATUS_PARAMETER_TAG 0x000d #define V12_ASP_IDENTIFIER_PARAMETER_TAG 0x0011 #define V12_AFFECTED_POINT_CODE_PARAMETER_TAG 0x0012 #define V12_CORRELATION_IDENTIFIER_PARAMETER_TAG 0x0013 #define V12_NETWORK_APPEARANCE_PARAMETER_TAG 0x0200 #define V12_USER_CAUSE_PARAMETER_TAG 0x0204 #define V12_CONGESTION_INDICATIONS_PARAMETER_TAG 0x0205 #define V12_CONCERNED_DESTINATION_PARAMETER_TAG 0x0206 #define V12_ROUTING_KEY_PARAMETER_TAG 0x0207 #define V12_REGISTRATION_RESULT_PARAMETER_TAG 0x0208 #define V12_DEREGISTRATION_RESULT_PARAMETER_TAG 0x0209 #define V12_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG 0x020a #define V12_DESTINATION_POINT_CODE_PARAMETER_TAG 0x020b #define V12_SERVICE_INDICATORS_PARAMETER_TAG 0x020c #define V12_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG 0x020e #define V12_CIRCUIT_RANGE_PARAMETER_TAG 0x020f #define V12_PROTOCOL_DATA_PARAMETER_TAG 0x0210 #define V12_REGISTRATION_STATUS_PARAMETER_TAG 0x0212 #define V12_DEREGISTRATION_STATUS_PARAMETER_TAG 0x0213 static const value_string m3ua_v12_parameter_tag_values[] = { { V12_INFO_STRING_PARAMETER_TAG, "Info string" } , { V12_ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" } , { V12_DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic Information" } , { V12_HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" } , { V12_TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" } , { V12_ERROR_CODE_PARAMETER_TAG, "Error code" } , { V12_STATUS_PARAMETER_TAG, "Status" } , { V12_ASP_IDENTIFIER_PARAMETER_TAG, "ASP identifier" } , { V12_AFFECTED_POINT_CODE_PARAMETER_TAG, "Affected point code" } , { V12_CORRELATION_IDENTIFIER_PARAMETER_TAG, "Correlation identifier" } , { V12_NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" } , { V12_USER_CAUSE_PARAMETER_TAG, "User / cause" } , { V12_CONGESTION_INDICATIONS_PARAMETER_TAG, "Congestion indications" } , { V12_CONCERNED_DESTINATION_PARAMETER_TAG, "Concerned destination" } , { V12_ROUTING_KEY_PARAMETER_TAG, "Routing key" } , { V12_REGISTRATION_RESULT_PARAMETER_TAG, "Registration result" } , { V12_DEREGISTRATION_RESULT_PARAMETER_TAG, "Deregistration result" } , { V12_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG, "Local routing key identifier" } , { V12_DESTINATION_POINT_CODE_PARAMETER_TAG, "Destination point code" } , { V12_SERVICE_INDICATORS_PARAMETER_TAG, "Service indicators" } , { V12_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG, "Originating point code list" } , { V12_CIRCUIT_RANGE_PARAMETER_TAG, "Circuit range" } , { V12_PROTOCOL_DATA_PARAMETER_TAG, "Protocol data" } , { V12_REGISTRATION_STATUS_PARAMETER_TAG, "Registration status" } , { V12_DEREGISTRATION_STATUS_PARAMETER_TAG, "Deregistration status" } , { 0, NULL } }; #define PROTOCOL_VERSION_RELEASE_1 1 static const value_string m3ua_protocol_version_values[] = { { PROTOCOL_VERSION_RELEASE_1, "Release 1" }, { 0, NULL } }; #define MESSAGE_CLASS_MGMT_MESSAGE 0 #define MESSAGE_CLASS_TFER_MESSAGE 1 #define MESSAGE_CLASS_SSNM_MESSAGE 2 #define MESSAGE_CLASS_ASPSM_MESSAGE 3 #define MESSAGE_CLASS_ASPTM_MESSAGE 4 #define MESSAGE_CLASS_RKM_MESSAGE 9 static const value_string m3ua_message_class_values[] = { { MESSAGE_CLASS_MGMT_MESSAGE, "Management messages" }, { MESSAGE_CLASS_TFER_MESSAGE, "Transfer messages" }, { MESSAGE_CLASS_SSNM_MESSAGE, "SS7 signalling network management messages" }, { MESSAGE_CLASS_ASPSM_MESSAGE, "ASP state maintenance messages" }, { MESSAGE_CLASS_ASPTM_MESSAGE, "ASP traffic maintenance messages" }, { MESSAGE_CLASS_RKM_MESSAGE, "Routing key management messages" }, { 0, NULL } }; #define MESSAGE_TYPE_ERR 0 #define MESSAGE_TYPE_NTFY 1 #define MESSAGE_TYPE_DATA 1 #define MESSAGE_TYPE_DUNA 1 #define MESSAGE_TYPE_DAVA 2 #define MESSAGE_TYPE_DAUD 3 #define MESSAGE_TYPE_SCON 4 #define MESSAGE_TYPE_DUPU 5 #define MESSAGE_TYPE_DRST 6 #define MESSAGE_TYPE_UP 1 #define MESSAGE_TYPE_DOWN 2 #define MESSAGE_TYPE_BEAT 3 #define MESSAGE_TYPE_UP_ACK 4 #define MESSAGE_TYPE_DOWN_ACK 5 #define MESSAGE_TYPE_BEAT_ACK 6 #define MESSAGE_TYPE_ACTIVE 1 #define MESSAGE_TYPE_INACTIVE 2 #define MESSAGE_TYPE_ACTIVE_ACK 3 #define MESSAGE_TYPE_INACTIVE_ACK 4 #define MESSAGE_TYPE_REG_REQ 1 #define MESSAGE_TYPE_REG_RSP 2 #define MESSAGE_TYPE_DEREG_REQ 3 #define MESSAGE_TYPE_DEREG_RSP 4 static const value_string m3ua_message_class_type_values[] = { { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "Error (ERR)" }, { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "Notify (NTFY)" }, { MESSAGE_CLASS_TFER_MESSAGE * 256 + MESSAGE_TYPE_DATA, "Payload data (DATA)" }, { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUNA, "Destination unavailable (DUNA)" }, { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAVA, "Destination available (DAVA)" }, { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAUD, "Destination state audit (DAUD)" }, { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_SCON, "SS7 Network congestion state (SCON)" }, { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUPU, "Destination userpart unavailable (DUPU)" }, { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DRST, "Destination Restricted (DRST)" }, { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP up (UP)" }, { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down (DOWN)" }, { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "Heartbeat (BEAT)" }, { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP up ack (UP ACK)" }, { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack (DOWN ACK)" }, { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "Heartbeat ack (BEAT ACK)" }, { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP active (ACTIVE)" }, { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive (INACTIVE)" }, { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack (ACTIVE ACK)" }, { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack (INACTIVE ACK)" }, { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "Registration request (REG_REQ)" }, { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "Registration response (REG_RSP)" }, { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "Deregistration request (DEREG_REQ)" }, { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "Deregistration response (DEREG_RSP)" }, { 0, NULL } }; static const value_string m3ua_message_class_type_acro_values[] = { { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "ERR" }, { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "NTFY" }, { MESSAGE_CLASS_TFER_MESSAGE * 256 + MESSAGE_TYPE_DATA, "DATA" }, { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUNA, "DUNA" }, { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAVA, "DAVA" }, { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAUD, "DAUD" }, { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_SCON, "SCON" }, { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUPU, "DUPU" }, { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DRST, "DRST" }, { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP_UP" }, { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP_DOWN" }, { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "BEAT" }, { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP_UP_ACK" }, { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP_DOWN_ACK" }, { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "BEAT_ACK" }, { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP_ACTIVE" }, { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP_INACTIVE" }, { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP_ACTIVE_ACK" }, { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP_INACTIVE_ACK" }, { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "REG_REQ" }, { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "REG_RSP" }, { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "DEREG_REQ" }, { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "DEREG_RSP" }, { 0, NULL } }; #define PROTOCOL_DATA_OFFSET PARAMETER_VALUE_OFFSET #define UNSPECIFIED_REASON 0 #define USER_UNAVAILABLE_REASON 1 #define MANAGEMENT_BLOCKING_REASON 2 static const value_string m3ua_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 #define TRAFFIC_MODE_TYPE_LENGTH 4 #define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET /* Initialize the protocol and registered fields */ static int proto_m3ua = -1; static int hf_m3ua_version = -1; static int hf_m3ua_reserved = -1; static int hf_m3ua_message_class = -1; static int hf_m3ua_message_type = -1; static int hf_m3ua_message_length = -1; static int hf_m3ua_parameter_tag = -1; static int hf_m3ua_parameter_length = -1; static int hf_m3ua_parameter_value = -1; static int hf_m3ua_parameter_padding = -1; static int hf_m3ua_network_appearance = -1; static int hf_m3ua_info_string = -1; static int hf_m3ua_routing_context = -1; static int hf_m3ua_diagnostic_information = -1; static int hf_m3ua_heartbeat_data = -1; static int hf_m3ua_error_code = -1; static int hf_m3ua_status_type = -1; static int hf_m3ua_status_info = -1; static int hf_m3ua_asp_identifier = -1; static int hf_m3ua_affected_point_code_mask = -1; static int hf_m3ua_affected_point_code_pc = -1; static int hf_m3ua_unavailability_cause = -1; static int hf_m3ua_user_identity = -1; static int hf_m3ua_reason = -1; static int hf_m3ua_traffic_mode_type = -1; static int hf_m3ua_congestion_reserved = -1; static int hf_m3ua_congestion_level = -1; static int hf_m3ua_concerned_dest_reserved = -1; static int hf_m3ua_concerned_dest_pc = -1; static int hf_m3ua_local_rk_identifier = -1; static int hf_m3ua_dpc_mask = -1; static int hf_m3ua_dpc_pc = -1; static int hf_m3ua_si = -1; static int hf_m3ua_ssn = -1; static int hf_m3ua_opc_list_mask = -1; static int hf_m3ua_opc_list_pc = -1; static int hf_m3ua_cic_range_mask = -1; static int hf_m3ua_cic_range_pc = -1; static int hf_m3ua_cic_range_upper = -1; static int hf_m3ua_cic_range_lower = -1; static int hf_m3ua_protocol_data_opc = -1; static int hf_m3ua_protocol_data_dpc = -1; static int hf_m3ua_protocol_data_si = -1; static int hf_m3ua_protocol_data_ni = -1; static int hf_m3ua_protocol_data_mp = -1; static int hf_m3ua_protocol_data_sls = -1; static int hf_m3ua_correlation_identifier = -1; static int hf_m3ua_registration_status = -1; static int hf_m3ua_deregistration_status = -1; static int hf_m3ua_registration_result_identifier = -1; static int hf_m3ua_registration_result_status = -1; static int hf_m3ua_registration_result_context = -1; static int hf_m3ua_deregistration_result_status = -1; static int hf_m3ua_deregistration_result_context = -1; static int hf_m3ua_li = -1; /* Initialize the subtree pointers */ static gint ett_m3ua = -1; static gint ett_m3ua_parameter = -1; static module_t *m3ua_module; static dissector_handle_t mtp3_handle, data_handle; static dissector_table_t m3ua_si_dissector_table; /* stuff for supporting multiple versions */ #define M3UA_V6 1 #define M3UA_V12 2 static gint m3ua_version = M3UA_V12; static void dissect_m3ua_parameters(tvbuff_t *, packet_info *, proto_tree *, proto_tree *); static guint nr_of_padding_bytes (guint length) { guint remainder; remainder = length % 4; if (remainder == 0) return 0; else return 4 - remainder; } static void dissect_m3ua_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *m3ua_tree) { guint8 version, reserved, message_class, message_type; guint32 message_length; /* Extract the common header */ version = tvb_get_guint8(common_header_tvb, VERSION_OFFSET); reserved = tvb_get_guint8(common_header_tvb, RESERVED_OFFSET); message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET); message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET); message_length = tvb_get_ntohl (common_header_tvb, MESSAGE_LENGTH_OFFSET); if (check_col(pinfo->cinfo, COL_INFO)) { col_append_str(pinfo->cinfo, COL_INFO, val_to_str(message_class * 256 + message_type, m3ua_message_class_type_acro_values, "reserved")); col_append_str(pinfo->cinfo, COL_INFO, " "); } if (m3ua_tree) { /* add the components of the common header to the protocol tree */ proto_tree_add_uint(m3ua_tree, hf_m3ua_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, version); proto_tree_add_uint(m3ua_tree, hf_m3ua_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, reserved); proto_tree_add_uint(m3ua_tree, hf_m3ua_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, message_class); proto_tree_add_uint_format(m3ua_tree, hf_m3ua_message_type, common_header_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, message_type, "Message type: %s (%u)", val_to_str(message_class * 256 + message_type, m3ua_message_class_type_values, "reserved"), message_type); proto_tree_add_uint(m3ua_tree, hf_m3ua_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, message_length); } } #define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET static void dissect_m3ua_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint16 length, info_string_length; const char *info_string; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); info_string_length = length - PARAMETER_HEADER_LENGTH; info_string = (const char *)tvb_get_ptr(parameter_tvb, INFO_STRING_OFFSET, info_string_length); proto_tree_add_string(parameter_tree, hf_m3ua_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, info_string); proto_item_set_text(parameter_item, "Info String (%.*s)", info_string_length, info_string); } #define ROUTING_CONTEXT_LENGTH 4 static void dissect_m3ua_routing_context_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint16 length, number_of_contexts, context_number; guint32 context; gint context_offset; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); number_of_contexts = (length - PARAMETER_HEADER_LENGTH) / 4; context_offset = PARAMETER_VALUE_OFFSET; for(context_number=1; context_number <= number_of_contexts; context_number++) { context = tvb_get_ntohl(parameter_tvb, context_offset); proto_tree_add_uint(parameter_tree, hf_m3ua_routing_context, parameter_tvb, context_offset, ROUTING_CONTEXT_LENGTH, context); context_offset += ROUTING_CONTEXT_LENGTH; } proto_item_set_text(parameter_item, "Routing context parameter (%u context%s)", number_of_contexts, plurality(number_of_contexts, "", "s")); } static void dissect_m3ua_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint16 length, diagnostic_info_length; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); diagnostic_info_length = length - PARAMETER_HEADER_LENGTH; proto_tree_add_bytes(parameter_tree, hf_m3ua_diagnostic_information, parameter_tvb, PARAMETER_VALUE_OFFSET, diagnostic_info_length, tvb_get_ptr(parameter_tvb, PARAMETER_VALUE_OFFSET, diagnostic_info_length)); proto_item_set_text(parameter_item, "Diagnostic information (%u byte%s)", diagnostic_info_length, plurality(diagnostic_info_length, "", "s")); } static void dissect_m3ua_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint16 length, heartbeat_data_length; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); heartbeat_data_length = length - PARAMETER_HEADER_LENGTH; proto_tree_add_bytes(parameter_tree, hf_m3ua_heartbeat_data, parameter_tvb, PARAMETER_VALUE_OFFSET, heartbeat_data_length, tvb_get_ptr(parameter_tvb, PARAMETER_VALUE_OFFSET, heartbeat_data_length)); proto_item_set_text(parameter_item, "Heartbeat data (%u byte%s)", heartbeat_data_length, plurality(heartbeat_data_length, "", "s")); } #define OVER_RIDE_TYPE 1 #define LOAD_SHARE_TYPE 2 #define OVER_RIDE_STANDBY_TYPE 3 #define LOAD_SHARE_STANDBY_TYPE 4 static const value_string m3ua_v6_traffic_mode_type_values[] = { { OVER_RIDE_TYPE , "Over-ride" }, { LOAD_SHARE_TYPE, "Load-share" }, { OVER_RIDE_STANDBY_TYPE, "Over-ride (standby)" }, { LOAD_SHARE_STANDBY_TYPE, "Load-share (standby)" }, {0, NULL } }; static void dissect_m3ua_v6_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 traffic_mode_type; traffic_mode_type = tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET); proto_tree_add_uint_format(parameter_tree, hf_m3ua_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, traffic_mode_type, "Traffic mode type: %u (%s)", traffic_mode_type, val_to_str(traffic_mode_type, m3ua_v6_traffic_mode_type_values, "unknown")); proto_item_set_text(parameter_item, "Traffic mode type parameter (%s)", val_to_str(traffic_mode_type, m3ua_v6_traffic_mode_type_values, "unknown")); } #define BROADCAST_TYPE 3 static const value_string m3ua_v12_traffic_mode_type_values[] = { { OVER_RIDE_TYPE , "Over-ride" }, { LOAD_SHARE_TYPE, "Load-share" }, { BROADCAST_TYPE, "Broadcast" }, {0, NULL } }; static void dissect_m3ua_v12_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 traffic_mode_type; traffic_mode_type = tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET); proto_tree_add_uint_format(parameter_tree, hf_m3ua_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, traffic_mode_type, "Traffic mode type: %u (%s)", traffic_mode_type, val_to_str(traffic_mode_type, m3ua_v12_traffic_mode_type_values, "unknown")); proto_item_set_text(parameter_item, "Traffic mode type parameter (%s)", val_to_str(traffic_mode_type, m3ua_v12_traffic_mode_type_values, "unknown")); } #define V6_INVALID_VERSION_ERROR_CODE 1 #define V6_INVALID_NETWORK_APPEARANCE_ERROR_CODE 2 #define V6_UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE 3 #define V6_UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE 4 #define V6_INVALID_TRAFFIC_HANDLING_MODE_ERROR_CODE 5 #define V6_UNEXPECTED_MESSAGE_ERROR_CODE 6 #define V6_PROTOCOL_ERROR_ERROR_CODE 7 #define V6_INVALID_ROUTING_CONTEXT_ERROR_CODE 8 #define V6_INVALID_STREAM_IDENTIFIER_ERROR_CODE 9 #define V6_INVALID_PARAMETER_VALUE_ERROR_CODE 10 static const value_string m3ua_v6_error_code_values[] = { { V6_INVALID_VERSION_ERROR_CODE, "Invalid version" }, { V6_INVALID_NETWORK_APPEARANCE_ERROR_CODE, "Invalid network appearance" }, { V6_UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE, "Unsupported message class" }, { V6_UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE, "Unsupported message type" }, { V6_INVALID_TRAFFIC_HANDLING_MODE_ERROR_CODE, "Invalid traffic handling mode" }, { V6_UNEXPECTED_MESSAGE_ERROR_CODE, "Unexpected message" }, { V6_PROTOCOL_ERROR_ERROR_CODE, "Protocol error" }, { V6_INVALID_ROUTING_CONTEXT_ERROR_CODE, "Invalid routing context" }, { V6_INVALID_STREAM_IDENTIFIER_ERROR_CODE, "Invalid stream identifier" }, { V6_INVALID_PARAMETER_VALUE_ERROR_CODE, "Invalid parameter value" }, { 0, NULL } }; #define ERROR_CODE_LENGTH 4 #define ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET static void dissect_m3ua_v6_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 error_code; error_code = tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET); proto_tree_add_uint_format(parameter_tree, hf_m3ua_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, error_code, "Error code: %u (%s)", error_code, val_to_str(error_code, m3ua_v6_error_code_values, "unknown")); proto_item_set_text(parameter_item, "Error code parameter (%s)", val_to_str(error_code, m3ua_v6_error_code_values, "unknown")); } #define V12_INVALID_VERSION_ERROR_CODE 0x01 #define V12_UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE 0x03 #define V12_UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE 0x04 #define V12_UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR_CODE 0x05 #define V12_UNEXPECTED_MESSAGE_ERROR_CODE 0x06 #define V12_PROTOCOL_ERROR_ERROR_CODE 0x07 #define V12_INVALID_STREAM_IDENTIFIER_ERROR_CODE 0x09 #define V12_REFUSED_ERROR_CODE 0x0d #define V12_ASP_IDENTIFIER_REQUIRED_ERROR_CODE 0x0e #define V12_INVALID_ASP_IDENTIFIER_ERROR_CODE 0x0f #define V12_INVALID_PARAMETER_VALUE_ERROR_CODE 0x11 #define V12_PARAMETER_FIELD_ERROR_CODE 0x12 #define V12_UNEXPECTED_PARAMETER_ERROR_CODE 0x13 #define V12_DESTINATION_STATUS_UNKNOWN_ERROR_CODE 0x14 #define V12_INVALID_NETWORK_APPEARANCE_ERROR_CODE 0x15 #define V12_MISSING_PARAMETER_ERROR_CODE 0x16 #define V12_INVALID_ROUTING_CONTEXT_ERROR_CODE 0x19 #define V12_NO_CONFIGURED_AS_FOR_ASP_ERROR_CODE 0x1a static const value_string m3ua_v12_error_code_values[] = { { V12_INVALID_VERSION_ERROR_CODE, "Invalid version" }, { V12_UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE, "Unsupported message class" }, { V12_UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE, "Unsupported message type" }, { V12_UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR_CODE, "Unsupported traffic handling mode" }, { V12_UNEXPECTED_MESSAGE_ERROR_CODE, "Unexpected message" }, { V12_PROTOCOL_ERROR_ERROR_CODE, "Protocol error" }, { V12_INVALID_STREAM_IDENTIFIER_ERROR_CODE, "Invalid stream identifier" }, { V12_REFUSED_ERROR_CODE, "Refused - management blocking" }, { V12_ASP_IDENTIFIER_REQUIRED_ERROR_CODE, "ASP identifier required" }, { V12_INVALID_ASP_IDENTIFIER_ERROR_CODE, "Invalid ASP identifier" }, { V12_INVALID_PARAMETER_VALUE_ERROR_CODE, "Invalid parameter value" }, { V12_PARAMETER_FIELD_ERROR_CODE, "Parameter field error" }, { V12_UNEXPECTED_PARAMETER_ERROR_CODE, "Unexpected parameter" }, { V12_DESTINATION_STATUS_UNKNOWN_ERROR_CODE, "Destination status unknown" }, { V12_INVALID_NETWORK_APPEARANCE_ERROR_CODE, "Invalid network appearance" }, { V12_MISSING_PARAMETER_ERROR_CODE, "Missing parameter" }, { V12_INVALID_ROUTING_CONTEXT_ERROR_CODE, "Invalid routing context" }, { V12_NO_CONFIGURED_AS_FOR_ASP_ERROR_CODE, "No configured AS for ASP" }, { 0, NULL } }; static void dissect_m3ua_v12_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 error_code; error_code = tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET); proto_tree_add_uint_format(parameter_tree, hf_m3ua_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, error_code, "Error code: %u (%s)",error_code, val_to_str(error_code, m3ua_v12_error_code_values, "unknown")); proto_item_set_text(parameter_item, "Error code parameter (%s)", val_to_str(error_code, m3ua_v12_error_code_values, "unknown")); } #define AS_STATE_CHANGE_TYPE 1 #define OTHER_TYPE 2 static const value_string m3ua_status_type_values[] = { { AS_STATE_CHANGE_TYPE, "Application server state change" }, { OTHER_TYPE, "Other" }, { 0, NULL } }; #define RESERVED_INFO 1 #define AS_INACTIVE_INFO 2 #define AS_ACTIVE_INFO 3 #define AS_PENDING_INFO 4 #define INSUFFICIENT_ASP_RES_INFO 1 #define ALTERNATE_ASP_ACTIVE_INFO 2 #define ASP_FAILURE_INFO 3 static const value_string m3ua_status_type_info_values[] = { { AS_STATE_CHANGE_TYPE * 256 * 256 + RESERVED_INFO, "Reserved" }, { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_INACTIVE_INFO, "Application server inactive" }, { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_ACTIVE_INFO, "Application server active" }, { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_PENDING_INFO, "Application server pending" }, { OTHER_TYPE * 256 * 256 + INSUFFICIENT_ASP_RES_INFO, "Insufficient ASP resources active in AS" }, { OTHER_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_INFO, "Alternate ASP active" }, { OTHER_TYPE * 256 * 256 + ASP_FAILURE_INFO, "ASP Failure" }, {0, NULL } }; #define STATUS_TYPE_LENGTH 2 #define STATUS_INFO_LENGTH 2 #define STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET #define STATUS_INFO_OFFSET (STATUS_TYPE_OFFSET + STATUS_TYPE_LENGTH) static void dissect_m3ua_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint16 status_type, status_info; status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET); status_info = tvb_get_ntohs(parameter_tvb, STATUS_INFO_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_status_type, parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH, status_type); proto_tree_add_uint_format(parameter_tree, hf_m3ua_status_info, parameter_tvb, STATUS_INFO_OFFSET, STATUS_INFO_LENGTH, status_info, "Status info: %s (%u)", val_to_str(status_type * 256 * 256 + status_info, m3ua_status_type_info_values, "unknown"), status_info); proto_item_set_text(parameter_item, "Status type / ID (%s)", val_to_str(status_type * 256 * 256 + status_info, m3ua_status_type_info_values, "unknown status information")); } #define ASP_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET #define ASP_IDENTIFIER_LENGTH 4 static void dissect_m3ua_asp_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 identifier; identifier = tvb_get_ntohl(parameter_tvb, ASP_IDENTIFIER_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_asp_identifier, parameter_tvb, ASP_IDENTIFIER_OFFSET, ASP_IDENTIFIER_LENGTH, identifier); proto_item_set_text(parameter_item, "ASP identifier (%u)", identifier); } #define AFFECTED_MASK_LENGTH 1 #define AFFECTED_PC_LENGTH 3 #define AFFECTED_POINT_CODE_LENGTH (AFFECTED_MASK_LENGTH + AFFECTED_PC_LENGTH) #define AFFECTED_MASK_OFFSET 0 #define AFFECTED_PC_OFFSET (AFFECTED_MASK_OFFSET + AFFECTED_MASK_LENGTH) static void dissect_m3ua_affected_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint8 mask; guint16 length, number_of_point_codes, point_code_number; guint32 pc; gint point_code_offset; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); number_of_point_codes = (length - PARAMETER_HEADER_LENGTH) / AFFECTED_POINT_CODE_LENGTH; point_code_offset = PARAMETER_VALUE_OFFSET; for(point_code_number=1; point_code_number <= number_of_point_codes; point_code_number++) { mask = tvb_get_guint8(parameter_tvb, point_code_offset + AFFECTED_MASK_OFFSET); pc = tvb_get_ntoh24(parameter_tvb, point_code_offset + AFFECTED_PC_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_affected_point_code_mask, parameter_tvb, point_code_offset + AFFECTED_MASK_OFFSET, AFFECTED_MASK_LENGTH, mask); proto_tree_add_uint(parameter_tree, hf_m3ua_affected_point_code_pc, parameter_tvb, point_code_offset + AFFECTED_PC_OFFSET, AFFECTED_PC_LENGTH, pc); point_code_offset += AFFECTED_POINT_CODE_LENGTH; }; proto_item_set_text(parameter_item, "Affected point code parameter (%u point code%s)", number_of_point_codes, plurality(number_of_point_codes, "", "s")); } #define NETWORK_APPEARANCE_LENGTH 4 #define NETWORK_APPEARANCE_OFFSET PARAMETER_VALUE_OFFSET static void dissect_m3ua_network_appearance_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 network_appearance; network_appearance = tvb_get_ntohl(parameter_tvb, NETWORK_APPEARANCE_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_network_appearance, parameter_tvb, NETWORK_APPEARANCE_OFFSET, NETWORK_APPEARANCE_LENGTH, network_appearance); proto_item_set_text(parameter_item, "Network appearance: %u", network_appearance); } #define UNKNOWN_UNAVAIL_CAUSE 0 #define UNEQUIPPED_REMOTE_USER_UNAVAIL_CAUSE 1 #define INACCESSABLE_REMOTE_USER_UNAVAIL_CAUSE 2 static const value_string m3ua_unavailability_cause_values[] = { { UNKNOWN_UNAVAIL_CAUSE, "Unknown" }, { UNEQUIPPED_REMOTE_USER_UNAVAIL_CAUSE, "Unequipped remote user" }, { INACCESSABLE_REMOTE_USER_UNAVAIL_CAUSE, "Inaccessable remote user" }, {0, NULL } }; #define RESERVED_0_USER_ID 0 #define RESERVED_1_USER_ID 1 #define RESERVED_2_USER_ID 2 #define SCCP_USER_ID 3 #define TUP_USER_ID 4 #define ISUP_USER_ID 5 #define RESERVED_6_USER_ID 6 #define RESERVED_7_USER_ID 7 #define RESERVED_8_USER_ID 8 #define BROADBAND_ISUP_USER_ID 9 #define SATELLITE_ISUP_USER_ID 10 static const value_string m3ua_user_identity_values[] = { { RESERVED_0_USER_ID, "Reserved" }, { RESERVED_1_USER_ID, "Reserved" }, { RESERVED_2_USER_ID, "Reserved" }, { SCCP_USER_ID, "SCCP" }, { TUP_USER_ID, "TUP" }, { ISUP_USER_ID, "ISUP" }, { RESERVED_6_USER_ID, "Reserved" }, { RESERVED_7_USER_ID, "Reserved" }, { RESERVED_8_USER_ID, "Reserved" }, { BROADBAND_ISUP_USER_ID, "Broadband ISUP" }, { SATELLITE_ISUP_USER_ID, "Satellite ISUP" }, {0, NULL } }; #define CAUSE_LENGTH 2 #define USER_LENGTH 2 #define CAUSE_OFFSET PARAMETER_VALUE_OFFSET #define USER_OFFSET (CAUSE_OFFSET + CAUSE_LENGTH) static void dissect_m3ua_user_cause_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint16 cause, user; cause = tvb_get_ntohs(parameter_tvb, CAUSE_OFFSET); user = tvb_get_ntohs(parameter_tvb, USER_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_unavailability_cause, parameter_tvb, CAUSE_OFFSET, CAUSE_LENGTH, cause); proto_tree_add_uint(parameter_tree, hf_m3ua_user_identity, parameter_tvb, USER_OFFSET, USER_LENGTH, user); proto_item_set_text(parameter_item, "User / Cause parameter (%s: %s)", val_to_str(user, m3ua_user_identity_values, "Unknown user"), val_to_str(cause, m3ua_unavailability_cause_values, "unknown cause")); } static void dissect_m3ua_protocol_data_1_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_item *parameter_item) { guint16 length, protocol_data_length; tvbuff_t *payload_tvb; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); protocol_data_length = length - PARAMETER_HEADER_LENGTH; payload_tvb = tvb_new_subset(parameter_tvb, PROTOCOL_DATA_OFFSET, protocol_data_length, protocol_data_length); proto_item_set_text(parameter_item, "Protocol data (SS7 message of %u byte%s)", protocol_data_length, plurality(protocol_data_length, "", "s")); proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH); call_dissector(mtp3_handle, payload_tvb, pinfo, tree); } #define LI_OCTETT_LENGTH 1 #define LI_OCTETT_OFFSET PARAMETER_VALUE_OFFSET static void dissect_m3ua_protocol_data_2_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item) { guint8 li; guint16 length, protocol_data_length; tvbuff_t *payload_tvb; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); li = tvb_get_guint8(parameter_tvb, LI_OCTETT_OFFSET); protocol_data_length = length - PARAMETER_HEADER_LENGTH - LI_OCTETT_LENGTH; payload_tvb = tvb_new_subset(parameter_tvb, PROTOCOL_DATA_OFFSET + LI_OCTETT_LENGTH, protocol_data_length, protocol_data_length); proto_tree_add_uint(parameter_tree, hf_m3ua_li, parameter_tvb, LI_OCTETT_OFFSET, LI_OCTETT_LENGTH, li); proto_item_set_text(parameter_item, "Protocol data (SS7 message of %u byte%s)", protocol_data_length, plurality(protocol_data_length, "", "s")); proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH + LI_OCTETT_LENGTH); call_dissector(mtp3_handle, payload_tvb, pinfo, tree); } static void dissect_m3ua_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 reason; reason = tvb_get_ntohl(parameter_tvb, REASON_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_reason, parameter_tvb, REASON_OFFSET, REASON_LENGTH, reason); proto_item_set_text(parameter_item, "Reason parameter (%s)", val_to_str(reason, m3ua_reason_values, "unknown")); } #define NO_CONGESTION_LEVEL 0 #define CONGESTION_LEVEL_1_LEVEL 1 #define CONGESTION_LEVEL_2_LEVEL 2 #define CONGESTION_LEVEL_3_LEVEL 3 static const value_string m3ua_congestion_level_values[] = { { NO_CONGESTION_LEVEL, "No congestion or undefined" }, { CONGESTION_LEVEL_1_LEVEL, "Congestion level 1" }, { CONGESTION_LEVEL_2_LEVEL, "Congestion level 2" }, { CONGESTION_LEVEL_3_LEVEL, "Congestion level 3" }, {0, NULL } }; #define CONG_IND_RESERVED_LENGTH 3 #define CONG_IND_LEVEL_LENGTH 1 #define CONG_IND_RESERVED_OFFSET PARAMETER_VALUE_OFFSET #define CONG_IND_LEVEL_OFFSET (CONG_IND_RESERVED_OFFSET + CONG_IND_RESERVED_LENGTH) static void dissect_m3ua_congestion_indication_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint8 level; level = tvb_get_guint8(parameter_tvb, CONG_IND_LEVEL_OFFSET); proto_tree_add_bytes(parameter_tree, hf_m3ua_congestion_reserved, parameter_tvb, CONG_IND_RESERVED_OFFSET, CONG_IND_RESERVED_LENGTH, tvb_get_ptr(parameter_tvb, CONG_IND_RESERVED_OFFSET, CONG_IND_RESERVED_LENGTH)); proto_tree_add_uint(parameter_tree, hf_m3ua_congestion_level, parameter_tvb, CONG_IND_LEVEL_OFFSET, CONG_IND_LEVEL_LENGTH, level); proto_item_set_text(parameter_item, "Congestion indication(%s)", val_to_str(level, m3ua_congestion_level_values, "unknown")); } #define CON_DEST_RESERVED_LENGTH 1 #define CON_DEST_PC_LENGTH 3 #define CON_DEST_RESERVED_OFFSET PARAMETER_VALUE_OFFSET #define CON_DEST_PC_OFFSET (CON_DEST_RESERVED_OFFSET + CON_DEST_RESERVED_LENGTH) static void dissect_m3ua_concerned_destination_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 pc; pc = tvb_get_ntoh24(parameter_tvb, CON_DEST_PC_OFFSET); proto_tree_add_bytes(parameter_tree, hf_m3ua_concerned_dest_reserved, parameter_tvb, CON_DEST_RESERVED_OFFSET, CON_DEST_RESERVED_LENGTH, tvb_get_ptr(parameter_tvb, CON_DEST_RESERVED_OFFSET, CON_DEST_RESERVED_LENGTH)); proto_tree_add_uint(parameter_tree, hf_m3ua_concerned_dest_pc, parameter_tvb, CON_DEST_PC_OFFSET, CON_DEST_PC_LENGTH, pc); proto_item_set_text(parameter_item, "Concerned destination (%u)", pc); } static void dissect_m3ua_routing_key_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item) { tvbuff_t *parameters_tvb; guint16 length, parameters_length; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); parameters_length = length - PARAMETER_HEADER_LENGTH; parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length); dissect_m3ua_parameters(parameters_tvb, pinfo, tree, parameter_tree); proto_item_set_text(parameter_item, "Routing key"); } static const value_string m3ua_registration_result_status_values[] = { { 0, "Successfully Registered" } , { 1, "Error - Unknown" } , { 2, "Error - Invalid DPC" } , { 3, "Error - Invalid Network Appearance" } , { 4, "Error - Invalid Routing Key" } , { 5, "Error - Permission Denied" } , { 6, "Error - Overlapping (Non-unique) Routing Key" } , { 7, "Error - Routing Key not Provisioned" } , { 8, "Error - Insufficient Resources" } , { 0, NULL } }; #define REG_RES_IDENTIFIER_LENGTH 4 #define REG_RES_STATUS_LENGTH 4 #define REG_RES_CONTEXT_LENGTH 4 #define REG_RES_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET #define REG_RES_STATUS_OFFSET (REG_RES_IDENTIFIER_OFFSET + REG_RES_IDENTIFIER_LENGTH) #define REG_RES_CONTEXT_OFFSET (REG_RES_STATUS_OFFSET + REG_RES_STATUS_LENGTH) static void dissect_m3ua_v6_registration_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 id, status, context; id = tvb_get_ntohl(parameter_tvb, REG_RES_IDENTIFIER_OFFSET); status = tvb_get_ntohl(parameter_tvb, REG_RES_STATUS_OFFSET); context = tvb_get_ntohl(parameter_tvb, REG_RES_CONTEXT_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_registration_result_identifier, parameter_tvb, REG_RES_IDENTIFIER_OFFSET, REG_RES_IDENTIFIER_LENGTH, id); proto_tree_add_uint(parameter_tree, hf_m3ua_registration_result_status, parameter_tvb, REG_RES_STATUS_OFFSET, REG_RES_STATUS_LENGTH, status); proto_tree_add_uint(parameter_tree, hf_m3ua_registration_result_context, parameter_tvb, REG_RES_CONTEXT_OFFSET, REG_RES_CONTEXT_LENGTH, context); proto_item_set_text(parameter_item, "Registration result"); } static void dissect_m3ua_v12_registration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item) { tvbuff_t *parameters_tvb; guint16 length, parameters_length; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); parameters_length = length - PARAMETER_HEADER_LENGTH; parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length); dissect_m3ua_parameters(parameters_tvb, pinfo, tree, parameter_tree); proto_item_set_text(parameter_item, "Registration result"); } static const value_string m3ua_deregistration_result_status_values[] = { { 0, "Successfully De-registered" } , { 1, "Error - Unknown" } , { 2, "Error - Invalid Routing context" } , { 3, "Error - Permission Denied" } , { 4, "Error - Not registered" } , { 0, NULL } }; #define DEREG_RES_CONTEXT_LENGTH 4 #define DEREG_RES_STATUS_LENGTH 4 #define DEREG_RES_CONTEXT_OFFSET PARAMETER_VALUE_OFFSET #define DEREG_RES_STATUS_OFFSET (DEREG_RES_CONTEXT_OFFSET + DEREG_RES_CONTEXT_LENGTH) static void dissect_m3ua_v6_deregistration_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 status, context; context = tvb_get_ntohl(parameter_tvb, DEREG_RES_CONTEXT_OFFSET); status = tvb_get_ntohl(parameter_tvb, DEREG_RES_STATUS_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_deregistration_result_context, parameter_tvb, DEREG_RES_CONTEXT_OFFSET, DEREG_RES_CONTEXT_LENGTH, context); proto_tree_add_uint(parameter_tree, hf_m3ua_deregistration_result_status, parameter_tvb, DEREG_RES_STATUS_OFFSET, DEREG_RES_STATUS_LENGTH, status); proto_item_set_text(parameter_item, "De-registration result"); } static void dissect_m3ua_v12_deregistration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item) { tvbuff_t *parameters_tvb; guint16 length, parameters_length; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); parameters_length = length - PARAMETER_HEADER_LENGTH; parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length); dissect_m3ua_parameters(parameters_tvb, pinfo, tree, parameter_tree); proto_item_set_text(parameter_item, "Deregistration result"); } #define LOCAL_RK_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET #define LOCAL_RK_IDENTIFIER_LENGTH 4 static void dissect_m3ua_local_routing_key_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 id; id = tvb_get_ntohl(parameter_tvb, LOCAL_RK_IDENTIFIER_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_local_rk_identifier, parameter_tvb, LOCAL_RK_IDENTIFIER_OFFSET, LOCAL_RK_IDENTIFIER_LENGTH, id); proto_item_set_text(parameter_item, "Local routing key identifier (%u)", id); } #define DPC_MASK_LENGTH 1 #define DPC_PC_LENGTH 3 #define DPC_MASK_OFFSET PARAMETER_VALUE_OFFSET #define DPC_PC_OFFSET (DPC_MASK_OFFSET + DPC_MASK_LENGTH) static void dissect_m3ua_destination_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 pc; guint8 mask; mask = tvb_get_guint8(parameter_tvb, DPC_MASK_OFFSET); pc = tvb_get_ntoh24(parameter_tvb, DPC_PC_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_dpc_mask, parameter_tvb, DPC_MASK_OFFSET, DPC_MASK_LENGTH, mask); proto_tree_add_uint(parameter_tree, hf_m3ua_dpc_pc, parameter_tvb, DPC_PC_OFFSET, DPC_PC_LENGTH, pc); proto_item_set_text(parameter_item, "Destination point code (%u)", pc); } #define SI_LENGTH 1 static void dissect_m3ua_service_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint8 si; guint16 length, number_of_sis, si_number; gint si_offset; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); number_of_sis = length - PARAMETER_HEADER_LENGTH; si_offset = PARAMETER_VALUE_OFFSET; for(si_number=1; si_number <= number_of_sis; si_number++) { si = tvb_get_guint8(parameter_tvb, si_offset); proto_tree_add_uint(parameter_tree, hf_m3ua_si, parameter_tvb, si_offset, SI_LENGTH, si); si_offset += SI_LENGTH; }; proto_item_set_text(parameter_item, "Service indicators (%u indicator%s)", number_of_sis, plurality(number_of_sis, "", "s")); } #define SSN_LENGTH 1 static void dissect_m3ua_subsystem_numbers_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint8 ssn; guint16 length, number_of_ssns, ssn_number; gint ssn_offset; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); number_of_ssns = length - PARAMETER_HEADER_LENGTH; ssn_offset = PARAMETER_VALUE_OFFSET; for(ssn_number=1; ssn_number <= number_of_ssns; ssn_number++) { ssn = tvb_get_guint8(parameter_tvb, ssn_offset); proto_tree_add_uint(parameter_tree, hf_m3ua_ssn, parameter_tvb, ssn_offset, SSN_LENGTH, ssn); ssn_offset += SSN_LENGTH; }; proto_item_set_text(parameter_item, "Subsystem numbers (%u number%s)", number_of_ssns, plurality(number_of_ssns, "", "s")); } #define OPC_MASK_LENGTH 1 #define OPC_PC_LENGTH 3 #define OPC_LENGTH (OPC_MASK_LENGTH + OPC_PC_LENGTH) #define OPC_MASK_OFFSET 0 #define OPC_PC_OFFSET (OPC_MASK_OFFSET + OPC_MASK_LENGTH) static void dissect_m3ua_originating_point_code_list_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint8 mask; guint16 length, number_of_point_codes, point_code_number; guint32 pc; gint point_code_offset; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); number_of_point_codes = (length - PARAMETER_HEADER_LENGTH) / 4; point_code_offset = PARAMETER_VALUE_OFFSET; for(point_code_number=1; point_code_number <= number_of_point_codes; point_code_number++) { mask = tvb_get_guint8(parameter_tvb, point_code_offset + AFFECTED_MASK_OFFSET); pc = tvb_get_ntoh24(parameter_tvb, point_code_offset + AFFECTED_PC_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_opc_list_mask, parameter_tvb, point_code_offset + OPC_MASK_OFFSET, OPC_MASK_LENGTH, mask); proto_tree_add_uint(parameter_tree, hf_m3ua_opc_list_pc, parameter_tvb, point_code_offset + OPC_PC_OFFSET, OPC_PC_LENGTH, pc); point_code_offset += OPC_LENGTH; }; proto_item_set_text(parameter_item, "Originating point code list (%u point code%s)", number_of_point_codes, plurality(number_of_point_codes, "", "s")); } #define CIC_RANGE_MASK_LENGTH 1 #define CIC_RANGE_PC_LENGTH 3 #define CIC_RANGE_LOWER_LENGTH 2 #define CIC_RANGE_UPPER_LENGTH 2 #define CIC_RANGE_LENGTH (CIC_RANGE_MASK_LENGTH + CIC_RANGE_PC_LENGTH + CIC_RANGE_LOWER_LENGTH + CIC_RANGE_UPPER_LENGTH) #define CIC_RANGE_MASK_OFFSET 0 #define CIC_RANGE_PC_OFFSET (CIC_RANGE_MASK_OFFSET + CIC_RANGE_MASK_LENGTH) #define CIC_RANGE_LOWER_OFFSET (CIC_RANGE_PC_OFFSET + CIC_RANGE_PC_LENGTH) #define CIC_RANGE_UPPER_OFFSET (CIC_RANGE_LOWER_OFFSET + CIC_RANGE_LOWER_LENGTH) static void dissect_m3ua_circuit_range_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint8 mask; guint16 length, number_of_point_codes, point_code_number, lower, upper; guint32 pc; gint point_code_offset; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); number_of_point_codes = (length - PARAMETER_HEADER_LENGTH) / CIC_RANGE_LENGTH; point_code_offset = PARAMETER_VALUE_OFFSET; for(point_code_number = 1; point_code_number <= number_of_point_codes; point_code_number++) { mask = tvb_get_guint8(parameter_tvb, point_code_offset + CIC_RANGE_MASK_OFFSET); pc = tvb_get_ntoh24(parameter_tvb, point_code_offset + CIC_RANGE_PC_OFFSET); lower = tvb_get_ntohs(parameter_tvb, point_code_offset + CIC_RANGE_LOWER_OFFSET); upper = tvb_get_ntohs(parameter_tvb, point_code_offset + CIC_RANGE_UPPER_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_cic_range_mask, parameter_tvb, point_code_offset + CIC_RANGE_MASK_OFFSET, CIC_RANGE_MASK_LENGTH, mask); proto_tree_add_uint(parameter_tree, hf_m3ua_cic_range_pc, parameter_tvb, point_code_offset + CIC_RANGE_PC_OFFSET, CIC_RANGE_PC_LENGTH, pc); proto_tree_add_uint(parameter_tree, hf_m3ua_cic_range_lower, parameter_tvb, point_code_offset + CIC_RANGE_LOWER_OFFSET, CIC_RANGE_LOWER_LENGTH, lower); proto_tree_add_uint(parameter_tree, hf_m3ua_cic_range_upper, parameter_tvb, point_code_offset + CIC_RANGE_UPPER_OFFSET, CIC_RANGE_UPPER_LENGTH, upper); point_code_offset += CIC_RANGE_LENGTH; }; proto_item_set_text(parameter_item, "Circuit range (%u range%s)", number_of_point_codes, plurality(number_of_point_codes, "", "s")); } #define DATA_OPC_LENGTH 4 #define DATA_DPC_LENGTH 4 #define DATA_SI_LENGTH 1 #define DATA_NI_LENGTH 1 #define DATA_MP_LENGTH 1 #define DATA_SLS_LENGTH 1 #define DATA_HDR_LENGTH (DATA_OPC_LENGTH + DATA_DPC_LENGTH + DATA_SI_LENGTH + DATA_NI_LENGTH + DATA_MP_LENGTH + DATA_SLS_LENGTH) #define DATA_OPC_OFFSET PARAMETER_VALUE_OFFSET #define DATA_DPC_OFFSET (DATA_OPC_OFFSET + DATA_OPC_LENGTH) #define DATA_SI_OFFSET (DATA_DPC_OFFSET + DATA_DPC_LENGTH) #define DATA_NI_OFFSET (DATA_SI_OFFSET + DATA_SI_LENGTH) #define DATA_MP_OFFSET (DATA_NI_OFFSET + DATA_NI_LENGTH) #define DATA_SLS_OFFSET (DATA_MP_OFFSET + DATA_MP_LENGTH) #define DATA_ULP_OFFSET (DATA_SLS_OFFSET + DATA_SLS_LENGTH) static void dissect_m3ua_protocol_data_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 opc, dpc; guint16 length, ulp_length; guint8 si, ni, mp, sls; tvbuff_t *payload_tvb; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); ulp_length = length - PARAMETER_HEADER_LENGTH - DATA_HDR_LENGTH; payload_tvb = tvb_new_subset(parameter_tvb, DATA_ULP_OFFSET, ulp_length, ulp_length); opc = tvb_get_ntohl(parameter_tvb, DATA_OPC_OFFSET); dpc = tvb_get_ntohl(parameter_tvb, DATA_DPC_OFFSET); si = tvb_get_guint8(parameter_tvb, DATA_SI_OFFSET); ni = tvb_get_guint8(parameter_tvb, DATA_NI_OFFSET); mp = tvb_get_guint8(parameter_tvb, DATA_MP_OFFSET); sls = tvb_get_guint8(parameter_tvb, DATA_SLS_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_protocol_data_opc, parameter_tvb, DATA_OPC_OFFSET, DATA_OPC_LENGTH, opc); proto_tree_add_uint(parameter_tree, hf_m3ua_protocol_data_dpc, parameter_tvb, DATA_DPC_OFFSET, DATA_DPC_LENGTH, dpc); proto_tree_add_uint(parameter_tree, hf_m3ua_protocol_data_si, parameter_tvb, DATA_SI_OFFSET, DATA_SI_LENGTH, si); proto_tree_add_uint(parameter_tree, hf_m3ua_protocol_data_ni, parameter_tvb, DATA_NI_OFFSET, DATA_NI_LENGTH, ni); proto_tree_add_uint(parameter_tree, hf_m3ua_protocol_data_mp, parameter_tvb, DATA_MP_OFFSET, DATA_MP_LENGTH, mp); proto_tree_add_uint(parameter_tree, hf_m3ua_protocol_data_sls, parameter_tvb, DATA_SLS_OFFSET, DATA_SLS_LENGTH, sls); proto_item_set_text(parameter_item, "Protocol data (SS7 message of %u byte%s)", ulp_length, plurality(ulp_length, "", "s")); proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH + DATA_HDR_LENGTH); if (!dissector_try_port(m3ua_si_dissector_table, si, payload_tvb, pinfo, tree)) { call_dissector(data_handle, payload_tvb, pinfo, tree); } } #define CORR_ID_OFFSET PARAMETER_VALUE_OFFSET #define CORR_ID_LENGTH 4 static void dissect_m3ua_correlation_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 id; id = tvb_get_ntohl(parameter_tvb, CORR_ID_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_correlation_identifier, parameter_tvb, CORR_ID_OFFSET, CORR_ID_LENGTH, id); proto_item_set_text(parameter_item, "Correlation Identifer (%u)", id); } #define REG_STATUS_LENGTH 4 #define REG_STATUS_OFFSET PARAMETER_VALUE_OFFSET static const value_string m3ua_registration_status_values[] = { { 0, "Successfully Registered" }, { 1, "Error - Unknown" }, { 2, "Error - Invalid DPC" }, { 3, "Error - Invalid Network Appearance" }, { 4, "Error - Invalid Routing Key" }, { 5, "Error - Permission Denied" }, { 6, "Error - Cannot Support Unique Routing" }, { 7, "Error - Routing Key not Currently Provisioned" }, { 8, "Error - Insufficient Resources" }, { 9, "Error - Unsupported RK parameter Field" }, { 10, "Error - Unsupported/Invalid Traffic Handling Mode" }, { 0, NULL } }; static void dissect_m3ua_registration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 status; status = tvb_get_ntohl(parameter_tvb, REG_STATUS_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_registration_status, parameter_tvb, REG_STATUS_OFFSET, REG_STATUS_LENGTH, status); proto_item_set_text(parameter_item, "Registration status (%s)", val_to_str(status, m3ua_registration_status_values, "unknown")); } #define DEREG_STATUS_LENGTH 4 #define DEREG_STATUS_OFFSET PARAMETER_VALUE_OFFSET static const value_string m3ua_deregistration_status_values[] = { { 0, "Successfully Deregistered" }, { 1, "Error - Unknown" }, { 2, "Error - Invalid Routing Context" }, { 3, "Error - Permission Denied" }, { 4, "Error - Not Registered" }, { 5, "Error - ASP Currently Active for Routing Context" }, { 0, NULL } }; static void dissect_m3ua_deregistration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint32 status; status = tvb_get_ntohl(parameter_tvb, DEREG_STATUS_OFFSET); proto_tree_add_uint(parameter_tree, hf_m3ua_deregistration_status, parameter_tvb, DEREG_STATUS_OFFSET, DEREG_STATUS_LENGTH, status); proto_item_set_text(parameter_item, "Deregistration status (%s)", val_to_str(status, m3ua_deregistration_status_values, "unknown")); } static void dissect_m3ua_registration_results_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item) { tvbuff_t *parameters_tvb; guint16 length, parameters_length; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); parameters_length = length - PARAMETER_HEADER_LENGTH; parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length); dissect_m3ua_parameters(parameters_tvb, pinfo, tree, parameter_tree); proto_item_set_text(parameter_item, "Registration results"); } static void dissect_m3ua_deregistration_results_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item) { tvbuff_t *parameters_tvb; guint16 length, parameters_length; length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); parameters_length = length - PARAMETER_HEADER_LENGTH; parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length); dissect_m3ua_parameters(parameters_tvb, pinfo, tree, parameter_tree); proto_item_set_text(parameter_item, "Deregistration results"); } static void dissect_m3ua_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { guint16 tag, length, parameter_value_length; tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET); length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); parameter_value_length = length - PARAMETER_HEADER_LENGTH; proto_tree_add_bytes(parameter_tree, hf_m3ua_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length, tvb_get_ptr(parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length)); proto_item_set_text(parameter_item, "Parameter with tag %u and %u byte%s value", tag, parameter_value_length, plurality(parameter_value_length, "", "s")); } static void dissect_m3ua_v6_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree) { guint16 tag, length, padding_length, total_length; proto_item *parameter_item; proto_tree *parameter_tree; /* extract tag and length from the parameter */ tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET); length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); /* calculate padding and total length */ padding_length = tvb_length(parameter_tvb) - length; total_length = length + padding_length; /* create proto_tree stuff */ parameter_item = proto_tree_add_text(m3ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, total_length, "Incomplete parameter"); parameter_tree = proto_item_add_subtree(parameter_item, ett_m3ua_parameter); /* add tag and length to the m3ua tree */ proto_tree_add_uint_format(parameter_tree, hf_m3ua_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, tag, "Parameter tag: %s (0x%x)", val_to_str(tag, m3ua_v6_parameter_tag_values, "unknown"), tag); proto_tree_add_uint(parameter_tree, hf_m3ua_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, length); switch(tag) { case V6_NETWORK_APPEARANCE_PARAMETER_TAG: dissect_m3ua_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_PROTOCOL_DATA_1_PARAMETER_TAG: dissect_m3ua_protocol_data_1_parameter(parameter_tvb, pinfo, tree, parameter_item); break; case V6_PROTOCOL_DATA_2_PARAMETER_TAG: dissect_m3ua_protocol_data_2_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item); break; case V6_INFO_PARAMETER_TAG: dissect_m3ua_info_string_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_AFFECTED_DESTINATIONS_PARAMETER_TAG: dissect_m3ua_affected_point_code_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_ROUTING_CONTEXT_PARAMETER_TAG: dissect_m3ua_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_DIAGNOSTIC_INFORMATION_PARAMETER_TAG: dissect_m3ua_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_HEARTBEAT_DATA_PARAMETER_TAG: dissect_m3ua_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_USER_CAUSE_PARAMETER_TAG: dissect_m3ua_user_cause_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_REASON_PARAMETER_TAG: dissect_m3ua_reason_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_TRAFFIC_MODE_TYPE_PARAMETER_TAG: dissect_m3ua_v6_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_ERROR_CODE_PARAMETER_TAG: dissect_m3ua_v6_error_code_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_STATUS_PARAMETER_TAG: dissect_m3ua_status_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_CONGESTION_INDICATION_PARAMETER_TAG: dissect_m3ua_congestion_indication_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_CONCERNED_DESTINATION_PARAMETER_TAG: dissect_m3ua_concerned_destination_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_ROUTING_KEY_PARAMETER_TAG: dissect_m3ua_routing_key_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item); break; case V6_REGISTRATION_RESULT_PARAMETER_TAG: dissect_m3ua_v6_registration_result_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_DEREGISTRATION_RESULT_PARAMETER_TAG: dissect_m3ua_v6_deregistration_result_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG: dissect_m3ua_local_routing_key_identifier_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_DESTINATION_POINT_CODE_PARAMETER_TAG: dissect_m3ua_destination_point_code_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_SERVICE_INDICATORS_PARAMETER_TAG: dissect_m3ua_service_indicators_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_SUBSYSTEM_NUMBERS_PARAMETER_TAG: dissect_m3ua_subsystem_numbers_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG: dissect_m3ua_originating_point_code_list_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_CIRCUIT_RANGE_PARAMETER_TAG: dissect_m3ua_circuit_range_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V6_REGISTRATION_RESULTS_PARAMETER_TAG: dissect_m3ua_registration_results_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item); break; case V6_DEREGISTRATION_RESULTS_PARAMETER_TAG: dissect_m3ua_deregistration_results_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item); break; default: dissect_m3ua_unknown_parameter(parameter_tvb, parameter_tree, parameter_item); break; }; if (padding_length > 0) proto_tree_add_bytes(parameter_tree, hf_m3ua_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, tvb_get_ptr(parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length)); } static void dissect_m3ua_v12_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree) { guint16 tag, length, padding_length, total_length; proto_item *parameter_item; proto_tree *parameter_tree; /* extract tag and length from the parameter */ tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET); length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); /* calculate padding and total length */ padding_length = tvb_length(parameter_tvb) - length; total_length = length + padding_length; /* create proto_tree stuff */ parameter_item = proto_tree_add_text(m3ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, total_length, "Incomplete parameter"); parameter_tree = proto_item_add_subtree(parameter_item, ett_m3ua_parameter); /* add tag and length to the m3ua tree */ proto_tree_add_uint_format(parameter_tree, hf_m3ua_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, tag, "Parameter tag: %s (0x%x)", val_to_str(tag, m3ua_v12_parameter_tag_values, "unknown"), tag); proto_tree_add_uint(parameter_tree, hf_m3ua_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, length); switch(tag) { case V12_INFO_STRING_PARAMETER_TAG: dissect_m3ua_info_string_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_ROUTING_CONTEXT_PARAMETER_TAG: dissect_m3ua_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_DIAGNOSTIC_INFORMATION_PARAMETER_TAG: dissect_m3ua_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_HEARTBEAT_DATA_PARAMETER_TAG: dissect_m3ua_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_TRAFFIC_MODE_TYPE_PARAMETER_TAG: dissect_m3ua_v12_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_ERROR_CODE_PARAMETER_TAG: dissect_m3ua_v12_error_code_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_STATUS_PARAMETER_TAG: dissect_m3ua_status_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_ASP_IDENTIFIER_PARAMETER_TAG: dissect_m3ua_asp_identifier_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_AFFECTED_POINT_CODE_PARAMETER_TAG: dissect_m3ua_affected_point_code_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_NETWORK_APPEARANCE_PARAMETER_TAG: dissect_m3ua_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_USER_CAUSE_PARAMETER_TAG: dissect_m3ua_user_cause_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_CONGESTION_INDICATIONS_PARAMETER_TAG: dissect_m3ua_congestion_indication_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_CONCERNED_DESTINATION_PARAMETER_TAG: dissect_m3ua_concerned_destination_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_ROUTING_KEY_PARAMETER_TAG: dissect_m3ua_routing_key_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item); break; case V12_REGISTRATION_RESULT_PARAMETER_TAG: dissect_m3ua_v12_registration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item); break; case V12_DEREGISTRATION_RESULT_PARAMETER_TAG: dissect_m3ua_v12_deregistration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item); break; case V12_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG: dissect_m3ua_local_routing_key_identifier_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_DESTINATION_POINT_CODE_PARAMETER_TAG: dissect_m3ua_destination_point_code_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_SERVICE_INDICATORS_PARAMETER_TAG: dissect_m3ua_service_indicators_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG: dissect_m3ua_originating_point_code_list_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_CIRCUIT_RANGE_PARAMETER_TAG: dissect_m3ua_circuit_range_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_PROTOCOL_DATA_PARAMETER_TAG: dissect_m3ua_protocol_data_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item); break; case V12_CORRELATION_IDENTIFIER_PARAMETER_TAG: dissect_m3ua_correlation_identifier_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_REGISTRATION_STATUS_PARAMETER_TAG: dissect_m3ua_registration_status_parameter(parameter_tvb, parameter_tree, parameter_item); break; case V12_DEREGISTRATION_STATUS_PARAMETER_TAG: dissect_m3ua_deregistration_status_parameter(parameter_tvb, parameter_tree, parameter_item); break; default: dissect_m3ua_unknown_parameter(parameter_tvb, parameter_tree, parameter_item); break; }; if (padding_length > 0) proto_tree_add_bytes(parameter_tree, hf_m3ua_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, tvb_get_ptr(parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length)); } static void dissect_m3ua_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree) { gint offset, length, padding_length, total_length, remaining_length; tvbuff_t *parameter_tvb; offset = 0; while((remaining_length = tvb_reported_length_remaining(parameters_tvb, offset))) { length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET); padding_length = nr_of_padding_bytes(length); if (remaining_length >= length) total_length = MIN(length + padding_length, remaining_length); else total_length = length + padding_length; /* create a tvb for the parameter including the padding bytes */ parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length); switch(m3ua_version) { case M3UA_V6: dissect_m3ua_v6_parameter(parameter_tvb, pinfo, tree, m3ua_tree); break; case M3UA_V12: dissect_m3ua_v12_parameter(parameter_tvb, pinfo, tree, m3ua_tree); break; } /* get rid of the handled parameter */ offset += total_length; } } static void dissect_m3ua_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree) { tvbuff_t *common_header_tvb, *parameters_tvb; common_header_tvb = tvb_new_subset(message_tvb, 0, COMMON_HEADER_LENGTH, COMMON_HEADER_LENGTH); parameters_tvb = tvb_new_subset(message_tvb, COMMON_HEADER_LENGTH, -1, -1); dissect_m3ua_common_header(common_header_tvb, pinfo, m3ua_tree); if (m3ua_tree) dissect_m3ua_parameters(parameters_tvb, pinfo, tree, m3ua_tree); } static void dissect_m3ua(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree) { proto_item *m3ua_item; proto_tree *m3ua_tree; /* make entry in the Protocol column on summary display */ if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "M3UA"); /* In the interest of speed, if "tree" is NULL, don't do any work not necessary to generate protocol tree items. */ if (tree) { /* create the m3ua protocol tree */ m3ua_item = proto_tree_add_item(tree, proto_m3ua, message_tvb, 0, -1, FALSE); m3ua_tree = proto_item_add_subtree(m3ua_item, ett_m3ua); } else { m3ua_tree = NULL; }; /* dissect the message */ dissect_m3ua_message(message_tvb, pinfo, tree, m3ua_tree); } /* Register the protocol with Ethereal */ void proto_register_m3ua(void) { /* Setup list of header fields */ static hf_register_info hf[] = { { &hf_m3ua_version, { "Version", "m3ua.version", FT_UINT8, BASE_DEC, VALS(m3ua_protocol_version_values), 0x0, "", HFILL } }, { &hf_m3ua_reserved, { "Reserved", "m3ua.reserved", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL } }, { &hf_m3ua_message_class, { "Message class", "m3ua.message_class", FT_UINT8, BASE_DEC, VALS(m3ua_message_class_values), 0x0, "", HFILL } }, { &hf_m3ua_message_type, { "Message Type", "m3ua.message_type", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_message_length, { "Message length", "m3ua.message_length", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_parameter_tag, { "Parameter Tag", "m3ua.parameter_tag", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_parameter_length, { "Parameter length", "m3ua.parameter_length", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_parameter_value, { "Parameter value", "m3ua.parameter_value", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, { &hf_m3ua_parameter_padding, { "Padding", "m3ua.parameter_padding", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, { &hf_m3ua_info_string, { "Info string", "m3ua.info_string", FT_STRING, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_routing_context, { "Routing context", "m3ua.routing_context", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_diagnostic_information, { "Diagnostic information", "m3ua.diagnostic_information", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, { &hf_m3ua_heartbeat_data, { "Heartbeat data", "m3ua.heartbeat_data", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, { &hf_m3ua_error_code, { "Error code", "m3ua.error_code", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_status_type, { "Status type", "m3ua.status_type", FT_UINT16, BASE_DEC, VALS(m3ua_status_type_values), 0x0, "", HFILL } }, { &hf_m3ua_status_info, { "Status info", "m3ua.status_info", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_asp_identifier, { "ASP identifier", "m3ua.asp_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_affected_point_code_mask, { "Mask", "m3ua.affected_point_code_mask", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_affected_point_code_pc, { "Affected point code", "m3ua.affected_point_code_pc", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_network_appearance, { "Network appearance", "m3ua.network_appearance", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_unavailability_cause, { "Unavailability cause", "m3ua.unavailability_cause", FT_UINT16, BASE_DEC, VALS(m3ua_unavailability_cause_values), 0x0, "", HFILL } }, { &hf_m3ua_user_identity, { "User Identity", "m3ua.user_identity", FT_UINT16, BASE_DEC, VALS(m3ua_user_identity_values), 0x0, "", HFILL } }, { &hf_m3ua_congestion_reserved, { "Reserved", "m3ua.congestion_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, { &hf_m3ua_congestion_level, { "Congestion level", "m3ua.congestion_level", FT_UINT8, BASE_DEC, VALS(m3ua_congestion_level_values), 0x0, "", HFILL } }, { &hf_m3ua_concerned_dest_reserved, { "Reserved", "m3ua.concerned_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, { &hf_m3ua_concerned_dest_pc, { "Concerned DPC", "m3ua.concerned_dpc", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_dpc_mask, { "Mask", "m3ua.dpc_mask", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_dpc_pc, { "Destination point code", "m3ua.dpc_pc", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_si, { "Service indicator", "m3ua_si", FT_UINT8, BASE_DEC, VALS(m3ua_user_identity_values), 0x0, "", HFILL } }, { &hf_m3ua_ssn, { "Subsystem number", "m3ua_ssn", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_opc_list_mask, { "Mask", "m3ua.opc_list_mask", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_opc_list_pc, { "Originating point code", "m3ua.opc_list_pc", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_cic_range_mask, { "Mask", "m3ua.cic_range_mask", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_cic_range_pc, { "Originating point code", "m3ua.cic_range_pc", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_cic_range_lower, { "Lower CIC value", "m3ua.cic_range_lower", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_cic_range_upper, { "Upper CIC value", "m3ua.cic_range_upper", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_local_rk_identifier, { "Local routing key identifier", "m3ua.local_rk_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_li, { "Length indicator", "m3ua.protocol_data_2_li", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_protocol_data_opc, { "OPC", "m3ua.protocol_data_opc", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_protocol_data_dpc, { "DPC", "m3ua.protocol_data_dpc", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_protocol_data_si, { "SI", "m3ua.protocol_data_si", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_protocol_data_ni, { "NI", "m3ua.protocol_data_ni", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_protocol_data_mp, { "MP", "m3ua.protocol_data_mp", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_protocol_data_sls, { "SLS", "m3ua.protocol_data_sls", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_correlation_identifier, { "Correlation Identifier", "m3ua.correlation_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_registration_status, { "Registration status", "m3ua.registration_status", FT_UINT32, BASE_DEC, VALS(m3ua_registration_status_values), 0x0, "", HFILL } }, { &hf_m3ua_deregistration_status, { "Deregistration status", "m3ua.deregistration_status", FT_UINT32, BASE_DEC, VALS(m3ua_deregistration_status_values), 0x0, "", HFILL } }, { &hf_m3ua_reason, { "Reason", "m3ua_reason", FT_UINT32, BASE_DEC, VALS(m3ua_reason_values), 0x0, "", HFILL } }, { &hf_m3ua_traffic_mode_type, { "Traffic mode Type", "m3ua.traffic_mode_type", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_registration_result_identifier, { "Local RK-identifier value", "m3ua.registration_result_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_registration_result_status, { "Registration status", "m3ua.registration_results_status", FT_UINT32, BASE_DEC, VALS(m3ua_registration_result_status_values), 0x0, "", HFILL } }, { &hf_m3ua_registration_result_context, { "Routing context", "m3ua.registration_result_routing_context", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_m3ua_deregistration_result_status, { "De-Registration status", "m3ua.deregistration_results_status", FT_UINT32, BASE_DEC, VALS(m3ua_deregistration_result_status_values), 0x0, "", HFILL } }, { &hf_m3ua_deregistration_result_context, { "Routing context", "m3ua.deregistration_result_routing_context", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_m3ua, &ett_m3ua_parameter, }; static enum_val_t m3ua_options[] = { { "Internet Draft version 6", M3UA_V6 }, { "Internet Draft version 12", M3UA_V12 }, { NULL, 0 } }; /* Register the protocol name and description */ proto_m3ua = proto_register_protocol("MTP 3 User Adaptation Layer", "M3UA", "m3ua"); m3ua_module = prefs_register_protocol(proto_m3ua, NULL); prefs_register_enum_preference(m3ua_module, "version", "M3UA Version", "Internet Draft version used by Ethereal", &m3ua_version, m3ua_options, FALSE); /* Required function calls to register the header fields and subtrees used */ proto_register_field_array(proto_m3ua, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); m3ua_si_dissector_table = register_dissector_table("m3ua.protocol_data_si", "MTP3 Service indicator", FT_UINT8, BASE_HEX); }; void proto_reg_handoff_m3ua(void) { dissector_handle_t m3ua_handle; /* * Get a handle for the MTP3 dissector. */ mtp3_handle = find_dissector("mtp3"); data_handle = find_dissector("data"); m3ua_handle = create_dissector_handle(dissect_m3ua, proto_m3ua); dissector_add("sctp.ppi", M3UA_PAYLOAD_PROTO_ID, m3ua_handle); dissector_add("sctp.port", SCTP_PORT_M3UA, m3ua_handle); }