diff options
Diffstat (limited to 'epan/dissectors/packet-m3ua.c')
| -rw-r--r-- | epan/dissectors/packet-m3ua.c | 2008 |
1 files changed, 2008 insertions, 0 deletions
diff --git a/epan/dissectors/packet-m3ua.c b/epan/dissectors/packet-m3ua.c new file mode 100644 index 0000000000..407a394bc2 --- /dev/null +++ b/epan/dissectors/packet-m3ua.c @@ -0,0 +1,2008 @@ +/* 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-05.txt (expired) + * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m3ua-06.txt (expired) + * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m3ua-07.txt (expired) + * http://www.ietf.org/rfc/rfc3332.txt + * + * Copyright 2000, 2001, 2002, 2003, 2004 Michael Tuexen <tuexen [AT] fh-muenster.de> + * + * $Id$ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * 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 <stdio.h> +#include <stdlib.h> + + +#include <string.h> +#include <glib.h> + +#include <epan/packet.h> +#include "prefs.h" +#include "sctpppids.h" +#include "packet-mtp3.h" + +#define SCTP_PORT_M3UA 2905 +#define NETWORK_BYTE_ORDER FALSE +#define ADD_PADDING(x) ((((x) + 3) >> 2) << 2) + +#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 PROTOCOL_VERSION_RELEASE_1 1 + +static const value_string 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 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 } }; + +static const value_string v5_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" }, + { 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 v5_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_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)" }, + { 0, NULL } }; + +static const value_string 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 (ASPUP)" }, + { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down (ASPDN)" }, + { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "Heartbeat (BEAT)" }, + { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP up ack (ASPUP_ACK)" }, + { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack (ASPDN_ACK)" }, + { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "Heartbeat ack (BEAT_ACK)" }, + { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP active (ASPAC)" }, + { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive (ASPIA)" }, + { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack (ASPAC_ACK)" }, + { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack (ASPIA_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 v5_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_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" }, + { 0, NULL } }; + +static const value_string 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, "ASPUP" }, + { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASPDN" }, + { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "BEAT" }, + { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASPUP_ACK" }, + { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASPDN_ACK" }, + { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "BEAT_ACK" }, + { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASPAC" }, + { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASPIA" }, + { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASPAC_ACK" }, + { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASPIA_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 } }; + +/* Initialize the protocol and registered fields */ +static int proto_m3ua = -1; +static int hf_version = -1; +static int hf_reserved = -1; +static int hf_message_class = -1; +static int hf_v5_message_class = -1; +static int hf_message_type = -1; +static int hf_message_length = -1; +static int hf_v5_parameter_tag = -1; +static int hf_v6_parameter_tag = -1; +static int hf_v7_parameter_tag = -1; +static int hf_parameter_tag = -1; +static int hf_parameter_length = -1; +static int hf_parameter_value = -1; +static int hf_parameter_padding = -1; +static int hf_parameter_trailer = -1; +static int hf_network_appearance = -1; +static int hf_info_string = -1; +static int hf_routing_context = -1; +static int hf_diagnostic_information = -1; +static int hf_heartbeat_data = -1; +static int hf_v5_error_code = -1; +static int hf_v6_error_code = -1; +static int hf_v7_error_code = -1; +static int hf_error_code = -1; +static int hf_status_type = -1; +static int hf_status_info = -1; +static int hf_asp_identifier = -1; +static int hf_affected_point_code_mask = -1; +static int hf_affected_point_code_pc = -1; +static int hf_cause = -1; +static int hf_user = -1; +static int hf_reason = -1; +static int hf_v5_traffic_mode_type = -1; +static int hf_v6_traffic_mode_type = -1; +static int hf_v7_traffic_mode_type = -1; +static int hf_traffic_mode_type = -1; +static int hf_congestion_reserved = -1; +static int hf_congestion_level = -1; +static int hf_concerned_dest_reserved = -1; +static int hf_concerned_dest_pc = -1; +static int hf_local_rk_identifier = -1; +static int hf_dpc_mask = -1; +static int hf_dpc_pc = -1; +static int hf_si = -1; +static int hf_ssn = -1; +static int hf_opc_list_mask = -1; +static int hf_opc_list_pc = -1; +static int hf_cic_range_mask = -1; +static int hf_cic_range_pc = -1; +static int hf_cic_range_upper = -1; +static int hf_cic_range_lower = -1; +static int hf_protocol_data_opc = -1; +static int hf_protocol_data_dpc = -1; +static int hf_protocol_data_si = -1; +static int hf_protocol_data_ni = -1; +static int hf_protocol_data_mp = -1; +static int hf_protocol_data_sls = -1; +static int hf_correlation_identifier = -1; +static int hf_registration_status = -1; +static int hf_deregistration_status = -1; +static int hf_registration_result_identifier = -1; +static int hf_registration_result_status = -1; +static int hf_registration_result_context = -1; +static int hf_v6_deregistration_result_status = -1; +static int hf_v6_deregistration_result_context = -1; +static int hf_li = -1; + +/* Initialize the subtree pointers */ +static gint ett_m3ua = -1; +static gint ett_parameter = -1; + +static module_t *m3ua_module; +static dissector_handle_t mtp3_handle, data_handle; +static dissector_table_t si_dissector_table; + +/* stuff for supporting multiple versions */ +typedef enum { + M3UA_V5, + M3UA_V6, + M3UA_V7, + M3UA_RFC +} Version_Type; + +static Version_Type version = M3UA_RFC; + +static void +dissect_parameters(tvbuff_t *, packet_info *, proto_tree *, proto_tree *); + +static void +dissect_v5_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *m3ua_tree) +{ + guint8 message_class, message_type; + + /* Extract the common header */ + message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET); + message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET); + + if (check_col(pinfo->cinfo, COL_INFO)) + col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(message_class * 256 + message_type, v5_message_class_type_acro_values, "reserved")); + + if (m3ua_tree) { + /* add the components of the common header to the protocol tree */ + proto_tree_add_item(m3ua_tree, hf_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(m3ua_tree, hf_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(m3ua_tree, hf_v5_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_uint_format(m3ua_tree, hf_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, v5_message_class_type_values, "reserved"), message_type); + proto_tree_add_item(m3ua_tree, hf_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, NETWORK_BYTE_ORDER); + } +} + +static void +dissect_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *m3ua_tree) +{ + guint8 message_class, message_type; + + /* Extract the common header */ + message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET); + message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET); + + if (check_col(pinfo->cinfo, COL_INFO)) + col_add_fstr(pinfo->cinfo, COL_INFO,"%s ", val_to_str(message_class * 256 + message_type, message_class_type_acro_values, "reserved")); + + if (m3ua_tree) { + /* add the components of the common header to the protocol tree */ + proto_tree_add_item(m3ua_tree, hf_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(m3ua_tree, hf_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(m3ua_tree, hf_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_uint_format(m3ua_tree, hf_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, message_class_type_values, "reserved"), message_type); + proto_tree_add_item(m3ua_tree, hf_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, NETWORK_BYTE_ORDER); + } +} + +#define NETWORK_APPEARANCE_LENGTH 4 +#define NETWORK_APPEARANCE_OFFSET PARAMETER_VALUE_OFFSET + +static void +dissect_network_appearance_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_network_appearance, parameter_tvb, NETWORK_APPEARANCE_OFFSET, NETWORK_APPEARANCE_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, NETWORK_APPEARANCE_OFFSET)); +} + +#define V5_PROTOCOL_DATA_OFFSET PARAMETER_VALUE_OFFSET + +static void +dissect_v5_protocol_data_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_item *parameter_item) +{ + guint16 length, protocol_data_length; + tvbuff_t *payload_tvb; + + length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); + protocol_data_length = length - PARAMETER_HEADER_LENGTH; + payload_tvb = tvb_new_subset(parameter_tvb, V5_PROTOCOL_DATA_OFFSET, protocol_data_length, protocol_data_length); + proto_item_append_text(parameter_item, " (SS7 message of %u byte%s)", protocol_data_length, plurality(protocol_data_length, "", "s")); + proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH); + call_dissector(mtp3_handle, payload_tvb, pinfo, tree); +} + +#define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET + +static void +dissect_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint16 info_string_length; + + info_string_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH; + proto_tree_add_item(parameter_tree, hf_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%.*s)", info_string_length, + (const char *)tvb_get_ptr(parameter_tvb, INFO_STRING_OFFSET, info_string_length)); +} + +#define AFFECTED_MASK_LENGTH 1 +#define AFFECTED_DPC_LENGTH 3 +#define AFFECTED_DESTINATION_LENGTH (AFFECTED_MASK_LENGTH + AFFECTED_DPC_LENGTH) + +#define AFFECTED_MASK_OFFSET 0 +#define AFFECTED_DPC_OFFSET 1 + +static void +dissect_affected_destinations_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint16 number_of_destinations, destination_number; + gint destination_offset; + proto_item *item; + + number_of_destinations = (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) >> 2; + destination_offset = PARAMETER_VALUE_OFFSET; + for(destination_number=1; destination_number <= number_of_destinations; destination_number++) { + proto_tree_add_item(parameter_tree, hf_affected_point_code_mask, parameter_tvb, destination_offset + AFFECTED_MASK_OFFSET, AFFECTED_MASK_LENGTH, NETWORK_BYTE_ORDER); + item = proto_tree_add_item(parameter_tree, hf_affected_point_code_pc, parameter_tvb, destination_offset + AFFECTED_DPC_OFFSET, AFFECTED_DPC_LENGTH, NETWORK_BYTE_ORDER); + if (mtp3_pc_structured()) + proto_item_append_text(item, " (%s)", mtp3_pc_to_str(tvb_get_ntoh24(parameter_tvb, destination_offset + AFFECTED_DPC_OFFSET))); + destination_offset += AFFECTED_DESTINATION_LENGTH; + } + proto_item_append_text(parameter_item, " (%u destination%s)", number_of_destinations, plurality(number_of_destinations, "", "s")); +} + +#define ROUTING_CONTEXT_LENGTH 4 + +static void +dissect_routing_context_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint16 number_of_contexts, context_number; + gint context_offset; + + number_of_contexts = (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) >> 2; + context_offset = PARAMETER_VALUE_OFFSET; + for(context_number=1; context_number <= number_of_contexts; context_number++) { + proto_tree_add_item(parameter_tree, hf_routing_context, parameter_tvb, context_offset, ROUTING_CONTEXT_LENGTH, NETWORK_BYTE_ORDER); + context_offset += ROUTING_CONTEXT_LENGTH; + }; + proto_item_append_text(parameter_item, " (%u context%s)", number_of_contexts, plurality(number_of_contexts, "", "s")); +} + +#define DIAGNOSTIC_INFO_OFFSET PARAMETER_VALUE_OFFSET + +static void +dissect_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint16 diag_info_length; + + diag_info_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH; + proto_tree_add_item(parameter_tree, hf_diagnostic_information, parameter_tvb, DIAGNOSTIC_INFO_OFFSET, diag_info_length, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%u byte%s)", diag_info_length, plurality(diag_info_length, "", "s")); +} + +#define HEARTBEAT_DATA_OFFSET PARAMETER_VALUE_OFFSET + +static void +dissect_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint16 heartbeat_data_length; + + heartbeat_data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH; + proto_tree_add_item(parameter_tree, hf_heartbeat_data, parameter_tvb, HEARTBEAT_DATA_OFFSET, heartbeat_data_length, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%u byte%s)", heartbeat_data_length, plurality(heartbeat_data_length, "", "s")); +} + +#define UNKNOWN_UNAVAIL_CAUSE 0 +#define UNEQUIPPED_REMOTE_USER_UNAVAIL_CAUSE 1 +#define INACCESSABLE_REMOTE_USER_UNAVAIL_CAUSE 2 + +static const value_string 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 +#define RESERVED_11_USER_ID 11 +#define AAL_2_SIGNALING_USER_ID 12 +#define BICC_USER_ID 13 +#define GATEWAY_CONTROL_PROTOCOL_USER_ID 14 +#define RESERVED_15_USER_ID 15 + +static const value_string user_identity_values[] = { + { RESERVED_0_USER_ID, "Reserved" }, + { RESERVED_1_USER_ID, "Reserved" }, + { RESERVED_2_USER_ID, "Reserved" }, + { SCCP_USER_ID, "SCCP" }, + { TUP_USER_ID, "TUP" }, + { ISUP_USER_ID, "ISUP" }, + { RESERVED_6_USER_ID, "Reserved" }, + { RESERVED_7_USER_ID, "Reserved" }, + { RESERVED_8_USER_ID, "Reserved" }, + { BROADBAND_ISUP_USER_ID, "Broadband ISUP" }, + { SATELLITE_ISUP_USER_ID, "Satellite ISUP" }, + { RESERVED_11_USER_ID, "Reserved" }, + { AAL_2_SIGNALING_USER_ID,"AAL type2 Signaling"}, + { BICC_USER_ID, "Bearer Independent Call Control (BICC)"}, + { GATEWAY_CONTROL_PROTOCOL_USER_ID, "Gateway Control Protocol"}, + { RESERVED_15_USER_ID, "Reserved" }, + + {0, NULL } }; + +#define CAUSE_LENGTH 2 +#define USER_LENGTH 2 + +#define CAUSE_OFFSET PARAMETER_VALUE_OFFSET +#define USER_OFFSET (CAUSE_OFFSET + CAUSE_LENGTH) + +static void +dissect_user_cause_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_cause, parameter_tvb, CAUSE_OFFSET, CAUSE_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_user, parameter_tvb, USER_OFFSET, USER_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%s: %s)", + val_to_str(tvb_get_ntohs(parameter_tvb, USER_OFFSET), user_identity_values, "Unknown user"), + val_to_str(tvb_get_ntohs(parameter_tvb, CAUSE_OFFSET), unavailability_cause_values, "unknown cause")); +} + +#define UNSPECIFIED_REASON 0 +#define USER_UNAVAILABLE_REASON 1 +#define MANAGEMENT_BLOCKING_REASON 2 + +static const value_string reason_values[] = { + { UNSPECIFIED_REASON, "Unspecified" }, + { USER_UNAVAILABLE_REASON, "User unavailable" }, + { MANAGEMENT_BLOCKING_REASON, "Management blocking" }, + {0, NULL } }; + +#define REASON_LENGTH 4 +#define REASON_OFFSET PARAMETER_VALUE_OFFSET + +static void +dissect_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_reason, parameter_tvb, REASON_OFFSET, REASON_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, REASON_OFFSET), reason_values, "unknown")); +} + +#define TRAFFIC_MODE_TYPE_LENGTH 4 +#define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET + +static const value_string v5_traffic_mode_type_values[] = { + { 1, "Over-ride" }, + { 2, "Load-share" }, + { 3, "Over-ride (standby)" }, + { 4, "Load-share (standby)" }, + { 0, NULL } }; + +static void +dissect_v5_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_v5_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), v5_traffic_mode_type_values, "unknown")); +} + +static const value_string v6_traffic_mode_type_values[] = { + { 1, "Over-ride" }, + { 2, "Load-share" }, + { 3, "Over-ride (standby)" }, + { 4, "Load-share (standby)" }, + { 0, NULL } }; + +static void +dissect_v6_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_v6_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), v6_traffic_mode_type_values, "unknown")); +} + +static const value_string v7_traffic_mode_type_values[] = { + { 1, "Over-ride" }, + { 2, "Load-share" }, + { 0, NULL } }; + +static void +dissect_v7_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_v7_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), v7_traffic_mode_type_values, "unknown")); +} + +static const value_string traffic_mode_type_values[] = { + { 1, "Over-ride" }, + { 2, "Load-share" }, + { 3, "Broadcast" }, + { 0, NULL } }; + +static void +dissect_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), traffic_mode_type_values, "unknown")); +} + +#define ERROR_CODE_LENGTH 4 +#define ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET + +static const value_string v5_error_code_values[] = { + { 1, "Invalid version" }, + { 2, "Invalid network appearance" }, + { 3, "Unsupported message class" }, + { 4, "Unsupported message type" }, + { 5, "Invalid traffic handling mode" }, + { 6, "Unexpected message" }, + { 7, "Protocol error" }, + { 8, "Invalid routing context" }, + { 0, NULL } }; + +static void +dissect_v5_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_v5_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET), v5_error_code_values, "unknown")); +} + +static const value_string v6_error_code_values[] = { + { 1, "Invalid version" }, + { 2, "Invalid network appearance" }, + { 3, "Unsupported message class" }, + { 4, "Unsupported message type" }, + { 5, "Invalid traffic handling mode" }, + { 6, "Unexpected message" }, + { 7, "Protocol error" }, + { 8, "Invalid routing context" }, + { 9, "Invalid stream identifier" }, + { 10, "Invalid parameter value" }, + { 0, NULL } }; + + +static void +dissect_v6_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_v6_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET), v6_error_code_values, "unknown")); +} + +static const value_string v7_error_code_values[] = { + { 1, "Invalid version" }, + { 2, "Invalid network appearance" }, + { 3, "Unsupported message class" }, + { 4, "Unsupported message type" }, + { 5, "Invalid traffic handling mode" }, + { 6, "Unexpected message" }, + { 7, "Protocol error" }, + { 8, "Invalid routing context" }, + { 9, "Invalid stream identifier" }, + { 10, "Invalid parameter value" }, + { 11, "Refused - Management Blocking" }, + { 12, "Unknown Routing Context" }, + { 0, NULL } }; + + +static void +dissect_v7_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_v7_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET), v7_error_code_values, "unknown")); +} + +static const value_string error_code_values[] = { + { 0x01, "Invalid version" }, + { 0x03, "Unsupported message class" }, + { 0x04, "Unsupported message type" }, + { 0x05, "Unsupported traffic handling mode" }, + { 0x06, "Unexpected message" }, + { 0x07, "Protocol error" }, + { 0x09, "Invalid stream identifier" }, + { 0x0d, "Refused - management blocking" }, + { 0x0e, "ASP identifier required" }, + { 0x0f, "Invalid ASP identifier" }, + { 0x11, "Invalid parameter value" }, + { 0x12, "Parameter field error" }, + { 0x13, "Unexpected parameter" }, + { 0x14, "Destination status unknown" }, + { 0x15, "Invalid network appearance" }, + { 0x16, "Missing parameter" }, + { 0x19, "Invalid routing context" }, + { 0x1a, "No configured AS for ASP" }, + { 0, NULL } }; + +static void +dissect_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET), error_code_values, "unknown")); +} + +#define AS_STATE_CHANGE_TYPE 1 +#define OTHER_TYPE 2 + +static const value_string status_type_values[] = { + { AS_STATE_CHANGE_TYPE, "Application server state change" }, + { OTHER_TYPE, "Other" }, + { 0, NULL } }; + +#define RESERVED_INFO 1 +#define AS_INACTIVE_INFO 2 +#define AS_ACTIVE_INFO 3 +#define AS_PENDING_INFO 4 + +#define INSUFFICIENT_ASP_RES_INFO 1 +#define ALTERNATE_ASP_ACTIVE_INFO 2 +#define ASP_FAILURE_INFO 3 + +static const value_string v567_status_type_info_values[] = { + { AS_STATE_CHANGE_TYPE * 256 * 256 + RESERVED_INFO, "Reserved" }, + { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_INACTIVE_INFO, "Application server inactive" }, + { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_ACTIVE_INFO, "Application server active" }, + { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_PENDING_INFO, "Application server pending" }, + { OTHER_TYPE * 256 * 256 + INSUFFICIENT_ASP_RES_INFO, "Insufficient ASP resources active in AS" }, + { OTHER_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_INFO, "Alternate ASP active" }, + {0, NULL } }; + + +#define STATUS_TYPE_LENGTH 2 +#define STATUS_INFO_LENGTH 2 + +#define STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET +#define STATUS_INFO_OFFSET (STATUS_TYPE_OFFSET + STATUS_TYPE_LENGTH) + +static void +dissect_v567_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint16 status_type, status_info; + + status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET); + status_info = tvb_get_ntohs(parameter_tvb, STATUS_INFO_OFFSET); + + proto_tree_add_item(parameter_tree, hf_status_type, parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_uint_format(parameter_tree, hf_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, v567_status_type_info_values, "unknown"), status_info); + + proto_item_append_text(parameter_item, " (%s)", val_to_str(status_type * 256 * 256 + status_info, v567_status_type_info_values, "unknown status information")); +} + +static const value_string status_type_info_values[] = { + { AS_STATE_CHANGE_TYPE * 256 * 256 + RESERVED_INFO, "Reserved" }, + { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_INACTIVE_INFO, "Application server inactive" }, + { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_ACTIVE_INFO, "Application server active" }, + { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_PENDING_INFO, "Application server pending" }, + { OTHER_TYPE * 256 * 256 + INSUFFICIENT_ASP_RES_INFO, "Insufficient ASP resources active in AS" }, + { OTHER_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_INFO, "Alternate ASP active" }, + { OTHER_TYPE * 256 * 256 + ASP_FAILURE_INFO, "ASP Failure" }, + {0, NULL } }; + +static void +dissect_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint16 status_type, status_info; + + status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET); + status_info = tvb_get_ntohs(parameter_tvb, STATUS_INFO_OFFSET); + + proto_tree_add_item(parameter_tree, hf_status_type, parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_uint_format(parameter_tree, hf_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, status_type_info_values, "unknown"), status_info); + + proto_item_append_text(parameter_item, " (%s)", val_to_str(status_type * 256 * 256 + status_info, status_type_info_values, "unknown status information")); +} + +static const value_string congestion_level_values[] = { + { 0, "No congestion or undefined" }, + { 1, "Congestion level 1" }, + { 2, "Congestion level 2" }, + { 3, "Congestion level 3" }, + { 0, NULL } }; + +#define CONG_IND_RESERVED_LENGTH 3 +#define CONG_IND_LEVEL_LENGTH 1 + +#define CONG_IND_RESERVED_OFFSET PARAMETER_VALUE_OFFSET +#define CONG_IND_LEVEL_OFFSET (CONG_IND_RESERVED_OFFSET + CONG_IND_RESERVED_LENGTH) + +static void +dissect_congestion_indication_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_congestion_reserved, parameter_tvb, CONG_IND_RESERVED_OFFSET, CONG_IND_RESERVED_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_congestion_level, parameter_tvb, CONG_IND_LEVEL_OFFSET, CONG_IND_LEVEL_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_guint8(parameter_tvb, CONG_IND_LEVEL_OFFSET), congestion_level_values, "unknown")); +} + +#define ASP_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET +#define ASP_IDENTIFIER_LENGTH 4 + +static void +dissect_asp_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_asp_identifier, parameter_tvb, ASP_IDENTIFIER_OFFSET, ASP_IDENTIFIER_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, ASP_IDENTIFIER_OFFSET)); +} + +#define PROTOCOL_DATA_1_OFFSET PARAMETER_VALUE_OFFSET + +static void +dissect_protocol_data_1_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_item *parameter_item) +{ + guint16 protocol_data_length; + tvbuff_t *payload_tvb; + + protocol_data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH; + payload_tvb = tvb_new_subset(parameter_tvb, PROTOCOL_DATA_1_OFFSET, protocol_data_length, protocol_data_length); + proto_item_append_text(parameter_item, " (SS7 message of %u byte%s)", protocol_data_length, plurality(protocol_data_length, "", "s")); + proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH); + call_dissector(mtp3_handle, payload_tvb, pinfo, tree); +} + +#define LI_OCTETT_LENGTH 1 +#define LI_OCTETT_OFFSET PARAMETER_VALUE_OFFSET +#define PROTOCOL_DATA_2_OFFSET (PARAMETER_VALUE_OFFSET + LI_OCTETT_LENGTH) + +static void +dissect_protocol_data_2_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint8 li; + guint16 protocol_data_length; + tvbuff_t *payload_tvb; + + li = tvb_get_guint8(parameter_tvb, LI_OCTETT_OFFSET); + protocol_data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH - LI_OCTETT_LENGTH; + payload_tvb = tvb_new_subset(parameter_tvb, PROTOCOL_DATA_2_OFFSET, protocol_data_length, protocol_data_length); + proto_tree_add_item(parameter_tree, hf_li, parameter_tvb, LI_OCTETT_OFFSET, LI_OCTETT_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (SS7 message of %u byte%s)", protocol_data_length, plurality(protocol_data_length, "", "s")); + proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH + LI_OCTETT_LENGTH); + call_dissector(mtp3_handle, payload_tvb, pinfo, tree); +} + + + +#define CON_DEST_RESERVED_LENGTH 1 +#define CON_DEST_PC_LENGTH 3 + +#define CON_DEST_RESERVED_OFFSET PARAMETER_VALUE_OFFSET +#define CON_DEST_PC_OFFSET (CON_DEST_RESERVED_OFFSET + CON_DEST_RESERVED_LENGTH) + +static void +dissect_concerned_destination_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_item *item; + + proto_tree_add_item(parameter_tree, hf_concerned_dest_reserved, parameter_tvb, CON_DEST_RESERVED_OFFSET, CON_DEST_RESERVED_LENGTH, NETWORK_BYTE_ORDER); + item = proto_tree_add_item(parameter_tree, hf_concerned_dest_pc, parameter_tvb, CON_DEST_PC_OFFSET, CON_DEST_PC_LENGTH, NETWORK_BYTE_ORDER); + if (mtp3_pc_structured()) + proto_item_append_text(item, " (%s)", mtp3_pc_to_str(tvb_get_ntoh24(parameter_tvb, CON_DEST_PC_OFFSET))); + proto_item_append_text(parameter_item, " (%u)", tvb_get_ntoh24(parameter_tvb, CON_DEST_PC_OFFSET)); +} + +static void +dissect_routing_key_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree) +{ + tvbuff_t *parameters_tvb; + guint16 length, parameters_length; + + length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); + parameters_length = length - PARAMETER_HEADER_LENGTH; + parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length); + dissect_parameters(parameters_tvb, pinfo, tree, parameter_tree); +} + +static const value_string registration_result_status_values[] = { + { 0, "Successfully Registered" } , + { 1, "Error - Unknown" } , + { 2, "Error - Invalid DPC" } , + { 3, "Error - Invalid Network Appearance" } , + { 4, "Error - Invalid Routing Key" } , + { 5, "Error - Permission Denied" } , + { 6, "Error - Overlapping (Non-unique) Routing Key" } , + { 7, "Error - Routing Key not Provisioned" } , + { 8, "Error - Insufficient Resources" } , + { 0, NULL } }; + +#define REG_RES_IDENTIFIER_LENGTH 4 +#define REG_RES_STATUS_LENGTH 4 +#define REG_RES_CONTEXT_LENGTH 4 + +#define REG_RES_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET +#define REG_RES_STATUS_OFFSET (REG_RES_IDENTIFIER_OFFSET + REG_RES_IDENTIFIER_LENGTH) +#define REG_RES_CONTEXT_OFFSET (REG_RES_STATUS_OFFSET + REG_RES_STATUS_LENGTH) + +static void +dissect_v67_registration_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree) +{ + proto_tree_add_item(parameter_tree, hf_registration_result_identifier, parameter_tvb, REG_RES_IDENTIFIER_OFFSET, REG_RES_IDENTIFIER_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_registration_result_status, parameter_tvb, REG_RES_STATUS_OFFSET, REG_RES_STATUS_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_registration_result_context, parameter_tvb, REG_RES_CONTEXT_OFFSET, REG_RES_CONTEXT_LENGTH, NETWORK_BYTE_ORDER); +} + +static void +dissect_registration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree) +{ + tvbuff_t *parameters_tvb; + guint16 length, parameters_length; + + length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); + parameters_length = length - PARAMETER_HEADER_LENGTH; + parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length); + dissect_parameters(parameters_tvb, pinfo, tree, parameter_tree); +} + +static const value_string v6_deregistration_result_status_values[] = { + { 0, "Successfully De-registered" } , + { 1, "Error - Unknown" } , + { 2, "Error - Invalid Routing context" } , + { 3, "Error - Permission Denied" } , + { 4, "Error - Not registered" } , + { 0, NULL } }; + +#define DEREG_RES_CONTEXT_LENGTH 4 +#define DEREG_RES_STATUS_LENGTH 4 + +#define DEREG_RES_CONTEXT_OFFSET PARAMETER_VALUE_OFFSET +#define DEREG_RES_STATUS_OFFSET (DEREG_RES_CONTEXT_OFFSET + DEREG_RES_CONTEXT_LENGTH) + +static void +dissect_v67_deregistration_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree) +{ + proto_tree_add_item(parameter_tree, hf_v6_deregistration_result_context, parameter_tvb, DEREG_RES_CONTEXT_OFFSET, DEREG_RES_CONTEXT_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_v6_deregistration_result_status, parameter_tvb, DEREG_RES_STATUS_OFFSET, DEREG_RES_STATUS_LENGTH, NETWORK_BYTE_ORDER); +} + +static void +dissect_deregistration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree) +{ + tvbuff_t *parameters_tvb; + guint16 length, parameters_length; + + length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); + parameters_length = length - PARAMETER_HEADER_LENGTH; + parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length); + dissect_parameters(parameters_tvb, pinfo, tree, parameter_tree); +} + + +#define LOCAL_RK_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET +#define LOCAL_RK_IDENTIFIER_LENGTH 4 + +static void +dissect_local_routing_key_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint32 id; + + id = tvb_get_ntohl(parameter_tvb, LOCAL_RK_IDENTIFIER_OFFSET); + proto_tree_add_item(parameter_tree, hf_local_rk_identifier, parameter_tvb, LOCAL_RK_IDENTIFIER_OFFSET, LOCAL_RK_IDENTIFIER_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, LOCAL_RK_IDENTIFIER_OFFSET)); +} + +#define DPC_MASK_LENGTH 1 +#define DPC_PC_LENGTH 3 + +#define DPC_MASK_OFFSET PARAMETER_VALUE_OFFSET +#define DPC_PC_OFFSET (DPC_MASK_OFFSET + DPC_MASK_LENGTH) + +static void +dissect_destination_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_item *item; + + proto_tree_add_item(parameter_tree, hf_dpc_mask, parameter_tvb, DPC_MASK_OFFSET, DPC_MASK_LENGTH, NETWORK_BYTE_ORDER); + item = proto_tree_add_item(parameter_tree, hf_dpc_pc, parameter_tvb, DPC_PC_OFFSET, DPC_PC_LENGTH, NETWORK_BYTE_ORDER); + if (mtp3_pc_structured()) + proto_item_append_text(item, " (%s)", mtp3_pc_to_str(tvb_get_ntoh24(parameter_tvb, DPC_PC_OFFSET))); + proto_item_append_text(parameter_item, " (%u)", tvb_get_ntoh24(parameter_tvb, DPC_PC_OFFSET)); +} + +#define SI_LENGTH 1 + +static void +dissect_service_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint16 length, number_of_sis, si_number; + gint si_offset; + + length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); + number_of_sis = length - PARAMETER_HEADER_LENGTH; + + si_offset = PARAMETER_VALUE_OFFSET; + for(si_number=1; si_number <= number_of_sis; si_number++) { + proto_tree_add_item(parameter_tree, hf_si, parameter_tvb, si_offset, SI_LENGTH, NETWORK_BYTE_ORDER); + si_offset += SI_LENGTH; + }; + proto_item_append_text(parameter_item, " (%u indicator%s)", number_of_sis, plurality(number_of_sis, "", "s")); + +} +#define SSN_LENGTH 1 + +static void +dissect_subsystem_numbers_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint16 length, number_of_ssns, ssn_number; + gint ssn_offset; + + length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); + number_of_ssns = length - PARAMETER_HEADER_LENGTH; + + ssn_offset = PARAMETER_VALUE_OFFSET; + for(ssn_number=1; ssn_number <= number_of_ssns; ssn_number++) { + proto_tree_add_item(parameter_tree, hf_ssn, parameter_tvb, ssn_offset, SSN_LENGTH, NETWORK_BYTE_ORDER); + ssn_offset += SSN_LENGTH; + }; + proto_item_append_text(parameter_item, " (%u number%s)", number_of_ssns, plurality(number_of_ssns, "", "s")); + +} + +#define OPC_MASK_LENGTH 1 +#define OPC_PC_LENGTH 3 +#define OPC_LENGTH (OPC_MASK_LENGTH + OPC_PC_LENGTH) +#define OPC_MASK_OFFSET 0 +#define OPC_PC_OFFSET (OPC_MASK_OFFSET + OPC_MASK_LENGTH) + +static void +dissect_originating_point_code_list_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint16 length, number_of_point_codes, point_code_number; + gint point_code_offset; + proto_item *item; + + length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); + number_of_point_codes = (length - PARAMETER_HEADER_LENGTH) / 4; + + point_code_offset = PARAMETER_VALUE_OFFSET; + for(point_code_number=1; point_code_number <= number_of_point_codes; point_code_number++) { + proto_tree_add_item(parameter_tree, hf_opc_list_mask, parameter_tvb, point_code_offset + OPC_MASK_OFFSET, OPC_MASK_LENGTH, NETWORK_BYTE_ORDER); + item = proto_tree_add_item(parameter_tree, hf_opc_list_pc, parameter_tvb, point_code_offset + OPC_PC_OFFSET, OPC_PC_LENGTH, NETWORK_BYTE_ORDER); + if (mtp3_pc_structured()) + proto_item_append_text(item, " (%s)", mtp3_pc_to_str(tvb_get_ntoh24(parameter_tvb, point_code_offset + OPC_PC_OFFSET))); + point_code_offset += OPC_LENGTH; + }; + proto_item_append_text(parameter_item, " (%u point code%s)", number_of_point_codes, plurality(number_of_point_codes, "", "s")); +} + +#define CIC_RANGE_MASK_LENGTH 1 +#define CIC_RANGE_PC_LENGTH 3 +#define CIC_RANGE_LOWER_LENGTH 2 +#define CIC_RANGE_UPPER_LENGTH 2 +#define CIC_RANGE_LENGTH (CIC_RANGE_MASK_LENGTH + CIC_RANGE_PC_LENGTH + CIC_RANGE_LOWER_LENGTH + CIC_RANGE_UPPER_LENGTH) +#define CIC_RANGE_MASK_OFFSET 0 +#define CIC_RANGE_PC_OFFSET (CIC_RANGE_MASK_OFFSET + CIC_RANGE_MASK_LENGTH) +#define CIC_RANGE_LOWER_OFFSET (CIC_RANGE_PC_OFFSET + CIC_RANGE_PC_LENGTH) +#define CIC_RANGE_UPPER_OFFSET (CIC_RANGE_LOWER_OFFSET + CIC_RANGE_LOWER_LENGTH) + +static void +dissect_circuit_range_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint16 length, number_of_point_codes, point_code_number; + 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++) { + proto_tree_add_item(parameter_tree, hf_cic_range_mask, parameter_tvb, point_code_offset + CIC_RANGE_MASK_OFFSET, CIC_RANGE_MASK_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_cic_range_pc, parameter_tvb, point_code_offset + CIC_RANGE_PC_OFFSET, CIC_RANGE_PC_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_cic_range_lower, parameter_tvb, point_code_offset + CIC_RANGE_LOWER_OFFSET, CIC_RANGE_LOWER_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_cic_range_upper, parameter_tvb, point_code_offset + CIC_RANGE_UPPER_OFFSET, CIC_RANGE_UPPER_LENGTH, NETWORK_BYTE_ORDER); + point_code_offset += CIC_RANGE_LENGTH; + }; + proto_item_append_text(parameter_item, " (%u range%s)", number_of_point_codes, plurality(number_of_point_codes, "", "s")); +} + +#define DATA_OPC_LENGTH 4 +#define DATA_DPC_LENGTH 4 +#define DATA_SI_LENGTH 1 +#define DATA_NI_LENGTH 1 +#define DATA_MP_LENGTH 1 +#define DATA_SLS_LENGTH 1 +#define DATA_HDR_LENGTH (DATA_OPC_LENGTH + DATA_DPC_LENGTH + DATA_SI_LENGTH + DATA_NI_LENGTH + DATA_MP_LENGTH + DATA_SLS_LENGTH) + +#define DATA_OPC_OFFSET PARAMETER_VALUE_OFFSET +#define DATA_DPC_OFFSET (DATA_OPC_OFFSET + DATA_OPC_LENGTH) +#define DATA_SI_OFFSET (DATA_DPC_OFFSET + DATA_DPC_LENGTH) +#define DATA_NI_OFFSET (DATA_SI_OFFSET + DATA_SI_LENGTH) +#define DATA_MP_OFFSET (DATA_NI_OFFSET + DATA_NI_LENGTH) +#define DATA_SLS_OFFSET (DATA_MP_OFFSET + DATA_MP_LENGTH) +#define DATA_ULP_OFFSET (DATA_SLS_OFFSET + DATA_SLS_LENGTH) + +static void +dissect_protocol_data_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint16 ulp_length; + tvbuff_t *payload_tvb; + proto_item *item; + + ulp_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH - DATA_HDR_LENGTH; + + if (parameter_tree) { + item = proto_tree_add_item(parameter_tree, hf_protocol_data_opc, parameter_tvb, DATA_OPC_OFFSET, DATA_OPC_LENGTH, NETWORK_BYTE_ORDER); + if (mtp3_pc_structured()) + proto_item_append_text(item, " (%s)", mtp3_pc_to_str(tvb_get_ntohl(parameter_tvb, DATA_OPC_OFFSET))); + item = proto_tree_add_item(parameter_tree, hf_protocol_data_dpc, parameter_tvb, DATA_DPC_OFFSET, DATA_DPC_LENGTH, NETWORK_BYTE_ORDER); + if (mtp3_pc_structured()) + proto_item_append_text(item, " (%s)", mtp3_pc_to_str(tvb_get_ntohl(parameter_tvb, DATA_DPC_OFFSET))); + proto_tree_add_item(parameter_tree, hf_protocol_data_si, parameter_tvb, DATA_SI_OFFSET, DATA_SI_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_protocol_data_ni, parameter_tvb, DATA_NI_OFFSET, DATA_NI_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_protocol_data_mp, parameter_tvb, DATA_MP_OFFSET, DATA_MP_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_protocol_data_sls, parameter_tvb, DATA_SLS_OFFSET, DATA_SLS_LENGTH, NETWORK_BYTE_ORDER); + + proto_item_append_text(parameter_item, " (SS7 message of %u byte%s)", ulp_length, plurality(ulp_length, "", "s")); + proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH + DATA_HDR_LENGTH); + } + + payload_tvb = tvb_new_subset(parameter_tvb, DATA_ULP_OFFSET, ulp_length, ulp_length); + if (!dissector_try_port(si_dissector_table, tvb_get_guint8(parameter_tvb, DATA_SI_OFFSET), 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_correlation_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_correlation_identifier, parameter_tvb, CORR_ID_OFFSET, CORR_ID_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, CORR_ID_OFFSET)); +} + +#define REG_STATUS_LENGTH 4 +#define REG_STATUS_OFFSET PARAMETER_VALUE_OFFSET + +static const value_string registration_status_values[] = { + { 0, "Successfully Registered" }, + { 1, "Error - Unknown" }, + { 2, "Error - Invalid DPC" }, + { 3, "Error - Invalid Network Appearance" }, + { 4, "Error - Invalid Routing Key" }, + { 5, "Error - Permission Denied" }, + { 6, "Error - Cannot Support Unique Routing" }, + { 7, "Error - Routing Key not Currently Provisioned" }, + { 8, "Error - Insufficient Resources" }, + { 9, "Error - Unsupported RK parameter Field" }, + { 10, "Error - Unsupported/Invalid Traffic Handling Mode" }, + { 0, NULL } }; + +static void +dissect_registration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_registration_status, parameter_tvb, REG_STATUS_OFFSET, REG_STATUS_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, REG_STATUS_OFFSET), registration_status_values, "unknown")); +} + +#define DEREG_STATUS_LENGTH 4 +#define DEREG_STATUS_OFFSET PARAMETER_VALUE_OFFSET + +static const value_string deregistration_status_values[] = { + { 0, "Successfully Deregistered" }, + { 1, "Error - Unknown" }, + { 2, "Error - Invalid Routing Context" }, + { 3, "Error - Permission Denied" }, + { 4, "Error - Not Registered" }, + { 5, "Error - ASP Currently Active for Routing Context" }, + { 0, NULL } }; + +static void +dissect_deregistration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + proto_tree_add_item(parameter_tree, hf_deregistration_status, parameter_tvb, DEREG_STATUS_OFFSET, DEREG_STATUS_LENGTH, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, DEREG_STATUS_OFFSET), deregistration_status_values, "unknown")); +} + +static void +dissect_registration_results_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree) +{ + tvbuff_t *parameters_tvb; + guint16 parameters_length; + + parameters_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH; + parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length); + dissect_parameters(parameters_tvb, pinfo, tree, parameter_tree); +} + +static void +dissect_deregistration_results_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree) +{ + tvbuff_t *parameters_tvb; + guint16 parameters_length; + + parameters_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH; + parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length); + dissect_parameters(parameters_tvb, pinfo, tree, parameter_tree); +} + +static void +dissect_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) +{ + guint16 tag, parameter_value_length; + + tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET); + parameter_value_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH; + proto_tree_add_item(parameter_tree, hf_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length, NETWORK_BYTE_ORDER); + proto_item_append_text(parameter_item, " (tag %u and %u byte%s value)", tag, parameter_value_length, plurality(parameter_value_length, "", "s")); +} + +#define V5_NETWORK_APPEARANCE_PARAMETER_TAG 1 +#define V5_PROTOCOL_DATA_PARAMETER_TAG 3 +#define V5_INFO_PARAMETER_TAG 4 +#define V5_AFFECTED_DESTINATIONS_PARAMETER_TAG 5 +#define V5_ROUTING_CONTEXT_PARAMETER_TAG 6 +#define V5_DIAGNOSTIC_INFORMATION_PARAMETER_TAG 7 +#define V5_HEARTBEAT_DATA_PARAMETER_TAG 8 +#define V5_USER_CAUSE_PARAMETER_TAG 9 +#define V5_REASON_PARAMETER_TAG 10 +#define V5_TRAFFIC_MODE_TYPE_PARAMETER_TAG 11 +#define V5_ERROR_CODE_PARAMETER_TAG 12 +#define V5_STATUS_PARAMETER_TAG 13 +#define V5_CONGESTION_INDICATION_PARAMETER_TAG 14 + +static const value_string v5_parameter_tag_values[] = { + { V5_NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" }, + { V5_PROTOCOL_DATA_PARAMETER_TAG, "Protocol data" }, + { V5_INFO_PARAMETER_TAG, "Info" }, + { V5_AFFECTED_DESTINATIONS_PARAMETER_TAG, "Affected destinations" }, + { V5_ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" }, + { V5_DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" }, + { V5_HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" }, + { V5_USER_CAUSE_PARAMETER_TAG, "User / Cause" }, + { V5_REASON_PARAMETER_TAG, "Reason" }, + { V5_TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" }, + { V5_ERROR_CODE_PARAMETER_TAG, "Error code" }, + { V5_STATUS_PARAMETER_TAG, "Status" }, + { V5_CONGESTION_INDICATION_PARAMETER_TAG, "Congestion indication" }, + { 0, NULL } }; + +static void +dissect_v5_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree) +{ + guint16 tag, length, padding_length; + proto_item *parameter_item; + proto_tree *parameter_tree; + + /* extract tag and length from the parameter */ + tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET); + length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); + padding_length = tvb_length(parameter_tvb) - length; + + if (!tree && tag != V5_PROTOCOL_DATA_PARAMETER_TAG) + return; /* Nothing to do here */ + + /* create proto_tree stuff */ + parameter_item = proto_tree_add_text(m3ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, tvb_length(parameter_tvb), val_to_str(tag, v5_parameter_tag_values, "Unknown parameter")); + parameter_tree = proto_item_add_subtree(parameter_item, ett_parameter); + + /* add tag and length to the parameter tree */ + proto_tree_add_item(parameter_tree, hf_v5_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, NETWORK_BYTE_ORDER); + + switch(tag) { + case V5_NETWORK_APPEARANCE_PARAMETER_TAG: + dissect_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V5_PROTOCOL_DATA_PARAMETER_TAG: + dissect_v5_protocol_data_parameter(parameter_tvb, pinfo, tree, parameter_item); + break; + case V5_INFO_PARAMETER_TAG: + dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V5_AFFECTED_DESTINATIONS_PARAMETER_TAG: + dissect_affected_destinations_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V5_ROUTING_CONTEXT_PARAMETER_TAG: + dissect_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V5_DIAGNOSTIC_INFORMATION_PARAMETER_TAG: + dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V5_HEARTBEAT_DATA_PARAMETER_TAG: + dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V5_USER_CAUSE_PARAMETER_TAG: + dissect_user_cause_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V5_REASON_PARAMETER_TAG: + dissect_reason_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V5_TRAFFIC_MODE_TYPE_PARAMETER_TAG: + dissect_v5_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V5_ERROR_CODE_PARAMETER_TAG: + dissect_v5_error_code_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V5_STATUS_PARAMETER_TAG: + dissect_v567_status_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V5_CONGESTION_INDICATION_PARAMETER_TAG: + dissect_congestion_indication_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + default: + dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + }; + if (padding_length > 0) + proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, NETWORK_BYTE_ORDER); +} + +#define V6_NETWORK_APPEARANCE_PARAMETER_TAG 1 +#define V6_PROTOCOL_DATA_1_PARAMETER_TAG 2 +#define V6_PROTOCOL_DATA_2_PARAMETER_TAG 3 +#define V6_INFO_PARAMETER_TAG 4 +#define V6_AFFECTED_DESTINATIONS_PARAMETER_TAG 5 +#define V6_ROUTING_CONTEXT_PARAMETER_TAG 6 +#define V6_DIAGNOSTIC_INFORMATION_PARAMETER_TAG 7 +#define V6_HEARTBEAT_DATA_PARAMETER_TAG 8 +#define V6_USER_CAUSE_PARAMETER_TAG 9 +#define V6_REASON_PARAMETER_TAG 10 +#define V6_TRAFFIC_MODE_TYPE_PARAMETER_TAG 11 +#define V6_ERROR_CODE_PARAMETER_TAG 12 +#define V6_STATUS_PARAMETER_TAG 13 +#define V6_CONGESTION_INDICATION_PARAMETER_TAG 14 +#define V6_CONCERNED_DESTINATION_PARAMETER_TAG 15 +#define V6_ROUTING_KEY_PARAMETER_TAG 16 +#define V6_REGISTRATION_RESULT_PARAMETER_TAG 17 +#define V6_DEREGISTRATION_RESULT_PARAMETER_TAG 18 +#define V6_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG 19 +#define V6_DESTINATION_POINT_CODE_PARAMETER_TAG 20 +#define V6_SERVICE_INDICATORS_PARAMETER_TAG 21 +#define V6_SUBSYSTEM_NUMBERS_PARAMETER_TAG 22 +#define V6_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG 23 +#define V6_CIRCUIT_RANGE_PARAMETER_TAG 24 +#define V6_REGISTRATION_RESULTS_PARAMETER_TAG 25 +#define V6_DEREGISTRATION_RESULTS_PARAMETER_TAG 26 + +static const value_string v6_parameter_tag_values[] = { + { V6_NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" }, + { V6_PROTOCOL_DATA_1_PARAMETER_TAG, "Protocol data 1" }, + { V6_PROTOCOL_DATA_2_PARAMETER_TAG, "Protocol data 2" }, + { V6_INFO_PARAMETER_TAG, "Info" }, + { V6_AFFECTED_DESTINATIONS_PARAMETER_TAG, "Affected destinations" }, + { V6_ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" }, + { V6_DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" }, + { V6_HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" }, + { V6_USER_CAUSE_PARAMETER_TAG, "User / Cause" }, + { V6_REASON_PARAMETER_TAG, "Reason" }, + { V6_TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" }, + { V6_ERROR_CODE_PARAMETER_TAG, "Error code" }, + { V6_STATUS_PARAMETER_TAG, "Status" }, + { V6_CONGESTION_INDICATION_PARAMETER_TAG, "Congestion indication" }, + { V6_CONCERNED_DESTINATION_PARAMETER_TAG, "Concerned destination" }, + { V6_ROUTING_KEY_PARAMETER_TAG, "Routing Key" }, + { V6_REGISTRATION_RESULT_PARAMETER_TAG, "Registration result" }, + { V6_DEREGISTRATION_RESULT_PARAMETER_TAG, "De-registration result" }, + { V6_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG, "Local routing key identifier" }, + { V6_DESTINATION_POINT_CODE_PARAMETER_TAG, "Destination point code" }, + { V6_SERVICE_INDICATORS_PARAMETER_TAG, "Service indicators" }, + { V6_SUBSYSTEM_NUMBERS_PARAMETER_TAG, "Subsystem numbers" }, + { V6_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG, "Originating point code list" }, + { V6_CIRCUIT_RANGE_PARAMETER_TAG, "Circuit range" }, + { V6_REGISTRATION_RESULTS_PARAMETER_TAG, "Registration results" }, + { V6_DEREGISTRATION_RESULTS_PARAMETER_TAG, "De-registration results" }, + { 0, NULL } }; + +static void +dissect_v6_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree) +{ + guint16 tag, length, padding_length; + proto_item *parameter_item; + proto_tree *parameter_tree; + + /* extract tag and length from the parameter */ + tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET); + length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); + padding_length = tvb_length(parameter_tvb) - length; + + if (!tree && tag != V6_PROTOCOL_DATA_1_PARAMETER_TAG && tag != V6_PROTOCOL_DATA_2_PARAMETER_TAG) + return; /* Nothing to do here */ + + /* create proto_tree stuff */ + parameter_item = proto_tree_add_text(m3ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, tvb_length(parameter_tvb), val_to_str(tag, v6_parameter_tag_values, "Unknown parameter")); + parameter_tree = proto_item_add_subtree(parameter_item, ett_parameter); + + /* add tag and length to the parameter tree */ + proto_tree_add_item(parameter_tree, hf_v6_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, NETWORK_BYTE_ORDER); + + switch(tag) { + case V6_NETWORK_APPEARANCE_PARAMETER_TAG: + dissect_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_PROTOCOL_DATA_1_PARAMETER_TAG: + dissect_protocol_data_1_parameter(parameter_tvb, pinfo, tree, parameter_item); + break; + case V6_PROTOCOL_DATA_2_PARAMETER_TAG: + dissect_protocol_data_2_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item); + break; + case V6_INFO_PARAMETER_TAG: + dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_AFFECTED_DESTINATIONS_PARAMETER_TAG: + dissect_affected_destinations_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_ROUTING_CONTEXT_PARAMETER_TAG: + dissect_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_DIAGNOSTIC_INFORMATION_PARAMETER_TAG: + dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_HEARTBEAT_DATA_PARAMETER_TAG: + dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_USER_CAUSE_PARAMETER_TAG: + dissect_user_cause_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_REASON_PARAMETER_TAG: + dissect_reason_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_TRAFFIC_MODE_TYPE_PARAMETER_TAG: + dissect_v6_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_ERROR_CODE_PARAMETER_TAG: + dissect_v6_error_code_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_STATUS_PARAMETER_TAG: + dissect_v567_status_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_CONGESTION_INDICATION_PARAMETER_TAG: + dissect_congestion_indication_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_CONCERNED_DESTINATION_PARAMETER_TAG: + dissect_concerned_destination_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_ROUTING_KEY_PARAMETER_TAG: + dissect_routing_key_parameter(parameter_tvb, pinfo, tree, parameter_tree); + break; + case V6_REGISTRATION_RESULT_PARAMETER_TAG: + dissect_v67_registration_result_parameter(parameter_tvb, parameter_tree); + break; + case V6_DEREGISTRATION_RESULT_PARAMETER_TAG: + dissect_v67_deregistration_result_parameter(parameter_tvb, parameter_tree); + break; + case V6_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG: + dissect_local_routing_key_identifier_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_DESTINATION_POINT_CODE_PARAMETER_TAG: + dissect_destination_point_code_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_SERVICE_INDICATORS_PARAMETER_TAG: + dissect_service_indicators_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_SUBSYSTEM_NUMBERS_PARAMETER_TAG: + dissect_subsystem_numbers_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG: + dissect_originating_point_code_list_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_CIRCUIT_RANGE_PARAMETER_TAG: + dissect_circuit_range_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V6_REGISTRATION_RESULTS_PARAMETER_TAG: + dissect_registration_results_parameter(parameter_tvb, pinfo, tree, parameter_tree); + break; + case V6_DEREGISTRATION_RESULTS_PARAMETER_TAG: + dissect_deregistration_results_parameter(parameter_tvb, pinfo, tree, parameter_tree); + break; + default: + dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + }; + + if (padding_length > 0) + proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, NETWORK_BYTE_ORDER); +} + +#define V7_NETWORK_APPEARANCE_PARAMETER_TAG 0x80 +#define V7_PROTOCOL_DATA_1_PARAMETER_TAG 0x81 +#define V7_PROTOCOL_DATA_2_PARAMETER_TAG 0x82 +#define V7_INFO_PARAMETER_TAG 0x04 +#define V7_AFFECTED_DESTINATIONS_PARAMETER_TAG 0x83 +#define V7_ROUTING_CONTEXT_PARAMETER_TAG 0x06 +#define V7_DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x07 +#define V7_HEARTBEAT_DATA_PARAMETER_TAG 0x09 +#define V7_USER_CAUSE_PARAMETER_TAG 0x84 +#define V7_REASON_PARAMETER_TAG 0x0a +#define V7_TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x0b +#define V7_ERROR_CODE_PARAMETER_TAG 0x0c +#define V7_STATUS_PARAMETER_TAG 0x0d +#define V7_CONGESTION_INDICATION_PARAMETER_TAG 0x85 +#define V7_CONCERNED_DESTINATION_PARAMETER_TAG 0x86 +#define V7_ROUTING_KEY_PARAMETER_TAG 0x87 +#define V7_REGISTRATION_RESULT_PARAMETER_TAG 0x88 +#define V7_DEREGISTRATION_RESULT_PARAMETER_TAG 0x89 +#define V7_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG 0x8a +#define V7_DESTINATION_POINT_CODE_PARAMETER_TAG 0x8b +#define V7_SERVICE_INDICATORS_PARAMETER_TAG 0x8c +#define V7_SUBSYSTEM_NUMBERS_PARAMETER_TAG 0x8d +#define V7_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG 0x8e +#define V7_CIRCUIT_RANGE_PARAMETER_TAG 0x8f +#define V7_REGISTRATION_RESULTS_PARAMETER_TAG 0x90 +#define V7_DEREGISTRATION_RESULTS_PARAMETER_TAG 0x91 + +static const value_string v7_parameter_tag_values[] = { + { V7_NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" }, + { V7_PROTOCOL_DATA_1_PARAMETER_TAG, "Protocol data 1" }, + { V7_PROTOCOL_DATA_2_PARAMETER_TAG, "Protocol data 2" }, + { V7_INFO_PARAMETER_TAG, "Info" }, + { V7_AFFECTED_DESTINATIONS_PARAMETER_TAG, "Affected destinations" }, + { V7_ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" }, + { V7_DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" }, + { V7_HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" }, + { V7_USER_CAUSE_PARAMETER_TAG, "User / Cause" }, + { V7_REASON_PARAMETER_TAG, "Reason" }, + { V7_TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" }, + { V7_ERROR_CODE_PARAMETER_TAG, "Error code" }, + { V7_STATUS_PARAMETER_TAG, "Status" }, + { V7_CONGESTION_INDICATION_PARAMETER_TAG, "Congestion indication" }, + { V7_CONCERNED_DESTINATION_PARAMETER_TAG, "Concerned destination" }, + { V7_ROUTING_KEY_PARAMETER_TAG, "Routing Key" }, + { V7_REGISTRATION_RESULT_PARAMETER_TAG, "Registration result" }, + { V7_DEREGISTRATION_RESULT_PARAMETER_TAG, "De-registration result" }, + { V7_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG, "Local routing key identifier" }, + { V7_DESTINATION_POINT_CODE_PARAMETER_TAG, "Destination point code" }, + { V7_SERVICE_INDICATORS_PARAMETER_TAG, "Service indicators" }, + { V7_SUBSYSTEM_NUMBERS_PARAMETER_TAG, "Subsystem numbers" }, + { V7_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG, "Originating point code list" }, + { V7_CIRCUIT_RANGE_PARAMETER_TAG, "Circuit range" }, + { V7_REGISTRATION_RESULTS_PARAMETER_TAG, "Registration results" }, + { V7_DEREGISTRATION_RESULTS_PARAMETER_TAG, "De-registration results" }, + { 0, NULL } }; + +static void +dissect_v7_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree) +{ + guint16 tag, length, padding_length; + proto_item *parameter_item; + proto_tree *parameter_tree; + + /* extract tag and length from the parameter */ + tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET); + length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); + padding_length = tvb_length(parameter_tvb) - length; + + if (!tree && tag != V7_PROTOCOL_DATA_1_PARAMETER_TAG && tag != V7_PROTOCOL_DATA_2_PARAMETER_TAG) + return; /* Nothing to do here */ + + /* create proto_tree stuff */ + parameter_item = proto_tree_add_text(m3ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, tvb_length(parameter_tvb), val_to_str(tag, v7_parameter_tag_values, "Unknown parameter")); + parameter_tree = proto_item_add_subtree(parameter_item, ett_parameter); + + /* add tag and length to the parameter tree */ + proto_tree_add_item(parameter_tree, hf_v7_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, NETWORK_BYTE_ORDER); + + switch(tag) { + case V7_NETWORK_APPEARANCE_PARAMETER_TAG: + dissect_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_PROTOCOL_DATA_1_PARAMETER_TAG: + dissect_protocol_data_1_parameter(parameter_tvb, pinfo, tree, parameter_item); + break; + case V7_PROTOCOL_DATA_2_PARAMETER_TAG: + dissect_protocol_data_2_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item); + break; + case V7_INFO_PARAMETER_TAG: + dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_AFFECTED_DESTINATIONS_PARAMETER_TAG: + dissect_affected_destinations_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_ROUTING_CONTEXT_PARAMETER_TAG: + dissect_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_DIAGNOSTIC_INFORMATION_PARAMETER_TAG: + dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_HEARTBEAT_DATA_PARAMETER_TAG: + dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_USER_CAUSE_PARAMETER_TAG: + dissect_user_cause_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_REASON_PARAMETER_TAG: + dissect_reason_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_TRAFFIC_MODE_TYPE_PARAMETER_TAG: + dissect_v7_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_ERROR_CODE_PARAMETER_TAG: + dissect_v7_error_code_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_STATUS_PARAMETER_TAG: + dissect_v567_status_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_CONGESTION_INDICATION_PARAMETER_TAG: + dissect_congestion_indication_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_CONCERNED_DESTINATION_PARAMETER_TAG: + dissect_concerned_destination_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_ROUTING_KEY_PARAMETER_TAG: + dissect_routing_key_parameter(parameter_tvb, pinfo, tree, parameter_tree); + break; + case V7_REGISTRATION_RESULT_PARAMETER_TAG: + dissect_v67_registration_result_parameter(parameter_tvb, parameter_tree); + break; + case V7_DEREGISTRATION_RESULT_PARAMETER_TAG: + dissect_v67_deregistration_result_parameter(parameter_tvb, parameter_tree); + break; + case V7_LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG: + dissect_local_routing_key_identifier_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_DESTINATION_POINT_CODE_PARAMETER_TAG: + dissect_destination_point_code_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_SERVICE_INDICATORS_PARAMETER_TAG: + dissect_service_indicators_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_SUBSYSTEM_NUMBERS_PARAMETER_TAG: + dissect_subsystem_numbers_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG: + dissect_originating_point_code_list_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_CIRCUIT_RANGE_PARAMETER_TAG: + dissect_circuit_range_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case V7_REGISTRATION_RESULTS_PARAMETER_TAG: + dissect_registration_results_parameter(parameter_tvb, pinfo, tree, parameter_tree); + break; + case V7_DEREGISTRATION_RESULTS_PARAMETER_TAG: + dissect_deregistration_results_parameter(parameter_tvb, pinfo, tree, parameter_tree); + break; + default: + dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + }; + + if (padding_length > 0) + proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, NETWORK_BYTE_ORDER); +} + +#define INFO_STRING_PARAMETER_TAG 0x0004 +#define ROUTING_CONTEXT_PARAMETER_TAG 0x0006 +#define DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x0007 +#define HEARTBEAT_DATA_PARAMETER_TAG 0x0009 +#define TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x000b +#define ERROR_CODE_PARAMETER_TAG 0x000c +#define STATUS_PARAMETER_TAG 0x000d +#define ASP_IDENTIFIER_PARAMETER_TAG 0x0011 +#define AFFECTED_POINT_CODE_PARAMETER_TAG 0x0012 +#define CORRELATION_IDENTIFIER_PARAMETER_TAG 0x0013 + +#define NETWORK_APPEARANCE_PARAMETER_TAG 0x0200 +#define USER_CAUSE_PARAMETER_TAG 0x0204 +#define CONGESTION_INDICATIONS_PARAMETER_TAG 0x0205 +#define CONCERNED_DESTINATION_PARAMETER_TAG 0x0206 +#define ROUTING_KEY_PARAMETER_TAG 0x0207 +#define REGISTRATION_RESULT_PARAMETER_TAG 0x0208 +#define DEREGISTRATION_RESULT_PARAMETER_TAG 0x0209 +#define LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG 0x020a +#define DESTINATION_POINT_CODE_PARAMETER_TAG 0x020b +#define SERVICE_INDICATORS_PARAMETER_TAG 0x020c +#define ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG 0x020e +#define CIRCUIT_RANGE_PARAMETER_TAG 0x020f +#define PROTOCOL_DATA_PARAMETER_TAG 0x0210 +#define REGISTRATION_STATUS_PARAMETER_TAG 0x0212 +#define DEREGISTRATION_STATUS_PARAMETER_TAG 0x0213 + +static const value_string parameter_tag_values[] = { + { INFO_STRING_PARAMETER_TAG, "Info string" } , + { ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" } , + { DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic Information" } , + { HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" } , + { TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" } , + { ERROR_CODE_PARAMETER_TAG, "Error code" } , + { STATUS_PARAMETER_TAG, "Status" } , + { ASP_IDENTIFIER_PARAMETER_TAG, "ASP identifier" } , + { AFFECTED_POINT_CODE_PARAMETER_TAG, "Affected point code" } , + { CORRELATION_IDENTIFIER_PARAMETER_TAG, "Correlation identifier" } , + { NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" } , + { USER_CAUSE_PARAMETER_TAG, "User / cause" } , + { CONGESTION_INDICATIONS_PARAMETER_TAG, "Congestion indications" } , + { CONCERNED_DESTINATION_PARAMETER_TAG, "Concerned destination" } , + { ROUTING_KEY_PARAMETER_TAG, "Routing key" } , + { REGISTRATION_RESULT_PARAMETER_TAG, "Registration result" } , + { DEREGISTRATION_RESULT_PARAMETER_TAG, "Deregistration result" } , + { LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG, "Local routing key identifier" } , + { DESTINATION_POINT_CODE_PARAMETER_TAG, "Destination point code" } , + { SERVICE_INDICATORS_PARAMETER_TAG, "Service indicators" } , + { ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG, "Originating point code list" } , + { CIRCUIT_RANGE_PARAMETER_TAG, "Circuit range" } , + { PROTOCOL_DATA_PARAMETER_TAG, "Protocol data" } , + { REGISTRATION_STATUS_PARAMETER_TAG, "Registration status" } , + { DEREGISTRATION_STATUS_PARAMETER_TAG, "Deregistration status" } , + { 0, NULL } }; + +static void +dissect_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree) +{ + guint16 tag, length, padding_length; + proto_item *parameter_item; + proto_tree *parameter_tree; + + /* extract tag and length from the parameter */ + tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET); + length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET); + padding_length = tvb_length(parameter_tvb) - length; + + + if (!tree && tag != PROTOCOL_DATA_PARAMETER_TAG) + return; /* Nothing to do here */ + + /* create proto_tree stuff */ + parameter_item = proto_tree_add_text(m3ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, tvb_length(parameter_tvb), val_to_str(tag, parameter_tag_values, "Unknown parameter")); + parameter_tree = proto_item_add_subtree(parameter_item, ett_parameter); + + /* add tag and length to the parameter tree */ + proto_tree_add_item(parameter_tree, hf_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, NETWORK_BYTE_ORDER); + proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, NETWORK_BYTE_ORDER); + + switch(tag) { + case INFO_STRING_PARAMETER_TAG: + dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case ROUTING_CONTEXT_PARAMETER_TAG: + dissect_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case DIAGNOSTIC_INFORMATION_PARAMETER_TAG: + dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case HEARTBEAT_DATA_PARAMETER_TAG: + dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case TRAFFIC_MODE_TYPE_PARAMETER_TAG: + dissect_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case ERROR_CODE_PARAMETER_TAG: + dissect_error_code_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case STATUS_PARAMETER_TAG: + dissect_status_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case ASP_IDENTIFIER_PARAMETER_TAG: + dissect_asp_identifier_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case AFFECTED_POINT_CODE_PARAMETER_TAG: + dissect_affected_destinations_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case NETWORK_APPEARANCE_PARAMETER_TAG: + dissect_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case USER_CAUSE_PARAMETER_TAG: + dissect_user_cause_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case CONGESTION_INDICATIONS_PARAMETER_TAG: + dissect_congestion_indication_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case CONCERNED_DESTINATION_PARAMETER_TAG: + dissect_concerned_destination_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case ROUTING_KEY_PARAMETER_TAG: + dissect_routing_key_parameter(parameter_tvb, pinfo, tree, parameter_tree); + break; + case REGISTRATION_RESULT_PARAMETER_TAG: + dissect_registration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree); + break; + case DEREGISTRATION_RESULT_PARAMETER_TAG: + dissect_deregistration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree); + break; + case LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG: + dissect_local_routing_key_identifier_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case DESTINATION_POINT_CODE_PARAMETER_TAG: + dissect_destination_point_code_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case SERVICE_INDICATORS_PARAMETER_TAG: + dissect_service_indicators_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case ORIGINATING_POINT_CODE_LIST_PARAMETER_TAG: + dissect_originating_point_code_list_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case CIRCUIT_RANGE_PARAMETER_TAG: + dissect_circuit_range_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case PROTOCOL_DATA_PARAMETER_TAG: + dissect_protocol_data_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item); + break; + case CORRELATION_IDENTIFIER_PARAMETER_TAG: + dissect_correlation_identifier_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case REGISTRATION_STATUS_PARAMETER_TAG: + dissect_registration_status_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + case DEREGISTRATION_STATUS_PARAMETER_TAG: + dissect_deregistration_status_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + default: + dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item); + break; + }; + + if (padding_length > 0) + proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, NETWORK_BYTE_ORDER); +} + +static void +dissect_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree) +{ + gint offset, length, total_length, remaining_length; + tvbuff_t *parameter_tvb; + + offset = 0; + while((remaining_length = tvb_length_remaining(parameters_tvb, offset))) { + length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET); + total_length = ADD_PADDING(length); + if (remaining_length >= length) + total_length = MIN(total_length, remaining_length); + /* create a tvb for the parameter including the padding bytes */ + parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length); + switch(version) { + case M3UA_V5: + dissect_v5_parameter(parameter_tvb, pinfo, tree, m3ua_tree); + break; + case M3UA_V6: + dissect_v6_parameter(parameter_tvb, pinfo, tree, m3ua_tree); + break; + case M3UA_V7: + dissect_v7_parameter(parameter_tvb, pinfo, tree, m3ua_tree); + break; + case M3UA_RFC: + dissect_parameter(parameter_tvb, pinfo, tree, m3ua_tree); + break; + } + /* get rid of the handled parameter */ + offset += total_length; + } +} + + +static void +dissect_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m3ua_tree) +{ + tvbuff_t *common_header_tvb, *parameters_tvb; + + common_header_tvb = tvb_new_subset(message_tvb, 0, COMMON_HEADER_LENGTH, COMMON_HEADER_LENGTH); + parameters_tvb = tvb_new_subset(message_tvb, COMMON_HEADER_LENGTH, -1, -1); + if (version == M3UA_V5) + dissect_v5_common_header(common_header_tvb, pinfo, m3ua_tree); + else + dissect_common_header(common_header_tvb, pinfo, m3ua_tree); + + /* Need to dissect (certain) parameters even when !tree, so subdissectors + * (e.g., MTP3) are always called. + */ + dissect_parameters(parameters_tvb, pinfo, tree, m3ua_tree); +} + +static void +dissect_m3ua(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *m3ua_item; + proto_tree *m3ua_tree; + + /* make entry in the Protocol column on summary display */ + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + switch(version) { + case M3UA_V5: + col_set_str(pinfo->cinfo, COL_PROTOCOL, "M3UA (ID 05)"); + break; + case M3UA_V6: + col_set_str(pinfo->cinfo, COL_PROTOCOL, "M3UA (ID 06)"); + break; + case M3UA_V7: + col_set_str(pinfo->cinfo, COL_PROTOCOL, "M3UA (ID 07)"); + break; + case M3UA_RFC: + col_set_str(pinfo->cinfo, COL_PROTOCOL, "M3UA (RFC 3332)"); + break; + }; + + /* 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_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_version, { "Version", "m3ua.version", FT_UINT8, BASE_DEC, VALS(protocol_version_values), 0x0, "", HFILL } }, + { &hf_reserved, { "Reserved", "m3ua.reserved", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL } }, + { &hf_v5_message_class, { "Message class", "m3ua.message_class", FT_UINT8, BASE_DEC, VALS(v5_message_class_values), 0x0, "", HFILL } }, + { &hf_message_class, { "Message class", "m3ua.message_class", FT_UINT8, BASE_DEC, VALS(message_class_values), 0x0, "", HFILL } }, + { &hf_message_type, { "Message Type", "m3ua.message_type", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_message_length, { "Message length", "m3ua.message_length", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_v5_parameter_tag, { "Parameter Tag", "m3ua.parameter_tag", FT_UINT16, BASE_DEC, VALS(v5_parameter_tag_values), 0x0, "", HFILL } }, + { &hf_v6_parameter_tag, { "Parameter Tag", "m3ua.parameter_tag", FT_UINT16, BASE_DEC, VALS(v6_parameter_tag_values), 0x0, "", HFILL } }, + { &hf_v7_parameter_tag, { "Parameter Tag", "m3ua.parameter_tag", FT_UINT16, BASE_DEC, VALS(v7_parameter_tag_values), 0x0, "", HFILL } }, + { &hf_parameter_tag, { "Parameter Tag", "m3ua.parameter_tag", FT_UINT16, BASE_DEC, VALS(parameter_tag_values), 0x0, "", HFILL } }, + { &hf_parameter_length, { "Parameter length", "m3ua.parameter_length", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_parameter_value, { "Parameter value", "m3ua.parameter_value", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, + { &hf_parameter_padding, { "Padding", "m3ua.parameter_padding", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, + { &hf_parameter_trailer, { "Trailer", "m3ua.paramter_trailer", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, + { &hf_network_appearance, { "Network appearance", "m3ua.network_appearance", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_info_string, { "Info string", "m3ua.info_string", FT_STRING, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_routing_context, { "Routing context", "m3ua.routing_context", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_diagnostic_information, { "Diagnostic information", "m3ua.diagnostic_information", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, + { &hf_heartbeat_data, { "Heartbeat data", "m3ua.heartbeat_data", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, + { &hf_v5_error_code, { "Error code", "m3ua.error_code", FT_UINT32, BASE_DEC, VALS(v5_error_code_values), 0x0, "", HFILL } }, + { &hf_v6_error_code, { "Error code", "m3ua.error_code", FT_UINT32, BASE_DEC, VALS(v6_error_code_values), 0x0, "", HFILL } }, + { &hf_v7_error_code, { "Error code", "m3ua.error_code", FT_UINT32, BASE_DEC, VALS(v7_error_code_values), 0x0, "", HFILL } }, + { &hf_error_code, { "Error code", "m3ua.error_code", FT_UINT32, BASE_DEC, VALS(error_code_values), 0x0, "", HFILL } }, + { &hf_status_type, { "Status type", "m3ua.status_type", FT_UINT16, BASE_DEC, VALS(status_type_values), 0x0, "", HFILL } }, + { &hf_status_info, { "Status info", "m3ua.status_info", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_asp_identifier, { "ASP identifier", "m3ua.asp_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_affected_point_code_mask, { "Mask", "m3ua.affected_point_code_mask", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_affected_point_code_pc, { "Affected point code", "m3ua.affected_point_code_pc", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_cause, { "Unavailability cause", "m3ua.unavailability_cause", FT_UINT16, BASE_DEC, VALS(unavailability_cause_values), 0x0, "", HFILL } }, + { &hf_user, { "User Identity", "m3ua.user_identity", FT_UINT16, BASE_DEC, VALS(user_identity_values), 0x0, "", HFILL } }, + { &hf_reason, { "Reason", "m3ua.reason", FT_UINT32, BASE_DEC, VALS(reason_values), 0x0, "", HFILL } }, + { &hf_v5_traffic_mode_type, { "Traffic mode Type", "m3ua.traffic_mode_type", FT_UINT32, BASE_DEC, VALS(v5_traffic_mode_type_values), 0x0, "", HFILL } }, + { &hf_v6_traffic_mode_type, { "Traffic mode Type", "m3ua.traffic_mode_type", FT_UINT32, BASE_DEC, VALS(v6_traffic_mode_type_values), 0x0, "", HFILL } }, + { &hf_v7_traffic_mode_type, { "Traffic mode Type", "m3ua.traffic_mode_type", FT_UINT32, BASE_DEC, VALS(v7_traffic_mode_type_values), 0x0, "", HFILL } }, + { &hf_traffic_mode_type, { "Traffic mode Type", "m3ua.traffic_mode_type", FT_UINT32, BASE_DEC, VALS(traffic_mode_type_values), 0x0, "", HFILL } }, + { &hf_congestion_reserved, { "Reserved", "m3ua.congestion_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, + { &hf_congestion_level, { "Congestion level", "m3ua.congestion_level", FT_UINT8, BASE_DEC, VALS(congestion_level_values), 0x0, "", HFILL } }, + { &hf_concerned_dest_reserved, { "Reserved", "m3ua.concerned_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } }, + { &hf_concerned_dest_pc, { "Concerned DPC", "m3ua.concerned_dpc", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_local_rk_identifier, { "Local routing key identifier", "m3ua.local_rk_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_dpc_mask, { "Mask", "m3ua.dpc_mask", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_dpc_pc, { "Destination point code", "m3ua.dpc_pc", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_si, { "Service indicator", "m3ua.si", FT_UINT8, BASE_DEC, VALS(user_identity_values), 0x0, "", HFILL } }, + { &hf_ssn, { "Subsystem number", "m3ua.ssn", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_opc_list_mask, { "Mask", "m3ua.opc_list_mask", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_opc_list_pc, { "Originating point code", "m3ua.opc_list_pc", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_cic_range_mask, { "Mask", "m3ua.cic_range_mask", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_cic_range_pc, { "Originating point code", "m3ua.cic_range_pc", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_cic_range_lower, { "Lower CIC value", "m3ua.cic_range_lower", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_cic_range_upper, { "Upper CIC value", "m3ua.cic_range_upper", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_li, { "Length indicator", "m3ua.protocol_data_2_li", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_protocol_data_opc, { "OPC", "m3ua.protocol_data_opc", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_protocol_data_dpc, { "DPC", "m3ua.protocol_data_dpc", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_protocol_data_si, { "SI", "m3ua.protocol_data_si", FT_UINT8, BASE_DEC, VALS(user_identity_values), 0x0, "", HFILL } }, + { &hf_protocol_data_ni, { "NI", "m3ua.protocol_data_ni", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_protocol_data_mp, { "MP", "m3ua.protocol_data_mp", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_protocol_data_sls, { "SLS", "m3ua.protocol_data_sls", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_correlation_identifier, { "Correlation Identifier", "m3ua.correlation_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_registration_status, { "Registration status", "m3ua.registration_status", FT_UINT32, BASE_DEC, VALS(registration_status_values), 0x0, "", HFILL } }, + { &hf_deregistration_status, { "Deregistration status", "m3ua.deregistration_status", FT_UINT32, BASE_DEC, VALS(deregistration_status_values), 0x0, "", HFILL } }, + { &hf_registration_result_identifier, { "Local RK-identifier value", "m3ua.registration_result_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_registration_result_status, { "Registration status", "m3ua.registration_results_status", FT_UINT32, BASE_DEC, VALS(registration_result_status_values), 0x0, "", HFILL } }, + { &hf_registration_result_context, { "Routing context", "m3ua.registration_result_routing_context", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_v6_deregistration_result_status, { "De-Registration status", "m3ua.deregistration_results_status", FT_UINT32, BASE_DEC, VALS(v6_deregistration_result_status_values), 0x0, "", HFILL } }, + { &hf_v6_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_parameter, + }; + + static enum_val_t options[] = { + { "draft-5", "Internet Draft version 5", M3UA_V5 }, + { "draft-6", "Internet Draft version 6", M3UA_V6 }, + { "draft-7", "Internet Draft version 7", M3UA_V7 }, + { "rfc3332", "RFC 3332", M3UA_RFC }, + { NULL, 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", "Version used by Ethereal", (gint *)&version, options, FALSE); + + /* Required function calls to register the header fields and subtrees used */ + proto_register_field_array(proto_m3ua, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + 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_PROTOCOL_ID, m3ua_handle); + dissector_add("sctp.port", SCTP_PORT_M3UA, m3ua_handle); +} |