308 lines
10 KiB
C
308 lines
10 KiB
C
/* isi-ss.c
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* Dissector for ISI's Subscriber Services resource
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* Copyright 2010, Sebastian Reichel <sre@ring0.de>
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* Copyright 2010, Tyson Key <tyson.key@gmail.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <glib.h>
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#include <epan/prefs.h>
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#include <epan/packet.h>
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#include "packet-isi.h"
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#include "isi-ss.h"
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#include <epan/dissectors/packet-gsm_sms.h>
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static const value_string isi_ss_message_id[] = {
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{0x00, "SS_SERVICE_REQ"},
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{0x01, "SS_SERVICE_COMPLETED_RESP"},
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{0x02, "SS_SERVICE_FAILED_RESP"},
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{0x03, "SS_SERVICE_NOT_SUPPORTED_RESP"},
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{0x04, "SS_GSM_USSD_SEND_REQ"},
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{0x05, "SS_GSM_USSD_SEND_RESP"},
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{0x06, "SS_GSM_USSD_RECEIVE_IND"},
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{0x09, "SS_STATUS_IND"},
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{0x10, "SS_SERVICE_COMPLETED_IND"},
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{0x11, "SS_CANCEL_REQ"},
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{0x12, "SS_CANCEL_RESP"},
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{0x15, "SS_RELEASE_REQ"},
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{0x16, "SS_RELEASE_RESP"},
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{0xF0, "COMMON_MESSAGE"},
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};
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static const value_string isi_ss_ussd_type[] = {
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{0x01, "SS_GSM_USSD_MT_REPLY"},
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{0x02, "SS_GSM_USSD_COMMAND"},
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{0x03, "SS_GSM_USSD_REQUEST"},
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{0x04, "SS_GSM_USSD_NOTIFY"},
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{0x05, "SS_GSM_USSD_END"},
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};
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static const value_string isi_ss_subblock[] = {
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{0x00, "SS_FORWARDING"},
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{0x01, "SS_STATUS_RESULT"},
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{0x03, "SS_GSM_PASSWORD"},
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{0x04, "SS_GSM_FORWARDING_INFO"},
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{0x05, "SS_GSM_FORWARDING_FEATURE"},
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{0x08, "SS_GSM_DATA"},
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{0x09, "SS_GSM_BSC_INFO"},
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{0x0B, "SS_GSM_PASSWORD_INFO"},
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{0x0D, "SS_GSM_INDICATE_PASSWORD_ERROR"},
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{0x0E, "SS_GSM_INDICATE_ERROR"},
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{0x2F, "SS_GSM_ADDITIONAL_INFO"},
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{0x32, "SS_GSM_USSD_STRING"},
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};
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static const value_string isi_ss_operation[] = {
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{0x01, "SS_ACTIVATION"},
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{0x02, "SS_DEACTIVATION"},
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{0x03, "SS_REGISTRATION"},
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{0x04, "SS_ERASURE"},
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{0x05, "SS_INTERROGATION"},
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{0x06, "SS_GSM_PASSWORD_REGISTRATION"},
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};
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static const value_string isi_ss_service_code[] = {
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{0x00, "SS_ALL_TELE_AND_BEARER"},
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{0x0A, "SS_GSM_ALL_TELE"},
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{0x0B, "SS_GSM_TELEPHONY"},
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{0x0C, "SS_GSM_ALL_DATA_TELE"},
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{0x0D, "SS_GSM_FACSIMILE"},
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{0x10, "SS_GSM_SMS"},
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{0x00, NULL}
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};
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static const value_string isi_ss_status_indication[] = {
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{0x00, "SS_STATUS_REQUEST_SERVICE_START"},
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{0x01, "SS_STATUS_REQUEST_SERVICE_STOP"},
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{0x02, "SS_GSM_STATUS_REQUEST_USSD_START"},
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{0x03, "SS_GSM_STATUS_REQUEST_USSD_STOP"},
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{0x00, NULL}
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};
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static const value_string isi_ss_common_message_id[] = {
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{0x01, "COMM_SERVICE_NOT_IDENTIFIED_RESP"},
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{0x12, "COMM_ISI_VERSION_GET_REQ"},
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{0x13, "COMM_ISI_VERSION_GET_RESP"},
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{0x14, "COMM_ISA_ENTITY_NOT_REACHABLE_RESP"},
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};
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static dissector_handle_t isi_ss_handle;
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static void dissect_isi_ss(tvbuff_t *tvb, packet_info *pinfo, proto_item *tree);
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static gint32 hf_isi_ss_message_id = -1;
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static gint32 hf_isi_ss_ussd_type = -1;
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static gint32 hf_isi_ss_subblock_count = -1;
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static gint32 hf_isi_ss_subblock = -1;
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static gint32 hf_isi_ss_operation = -1;
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static gint32 hf_isi_ss_service_code = -1;
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static gint32 hf_isi_ss_status_indication = -1;
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static gint32 hf_isi_ss_ussd_length = -1;
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static gint32 hf_isi_ss_common_message_id = -1;
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void proto_reg_handoff_isi_ss(void) {
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static gboolean initialized=FALSE;
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if (!initialized) {
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isi_ss_handle = create_dissector_handle(dissect_isi_ss, proto_isi);
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dissector_add_uint("isi.resource", 0x06, isi_ss_handle);
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}
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}
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void proto_register_isi_ss(void) {
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static hf_register_info hf[] = {
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{ &hf_isi_ss_message_id,
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{ "Message ID", "isi.ss.msg_id", FT_UINT8, BASE_HEX, isi_ss_message_id, 0x0, "Message ID", HFILL }},
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{ &hf_isi_ss_ussd_type,
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{ "USSD Type", "isi.ss.ussd.type", FT_UINT8, BASE_HEX, isi_ss_ussd_type, 0x0, "USSD Type", HFILL }},
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{ &hf_isi_ss_subblock_count,
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{ "Subblock Count", "isi.ss.subblock_count", FT_UINT8, BASE_DEC, NULL, 0x0, "Subblock Count", HFILL }},
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{ &hf_isi_ss_subblock,
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{ "Subblock", "isi.ss.subblock", FT_UINT8, BASE_HEX, isi_ss_subblock, 0x0, "Subblock", HFILL }},
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{ &hf_isi_ss_operation,
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{ "Operation", "isi.ss.operation", FT_UINT8, BASE_HEX, isi_ss_operation, 0x0, "Operation", HFILL }},
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{ &hf_isi_ss_service_code,
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{ "Service Code", "isi.ss.service_code", FT_UINT8, BASE_HEX, isi_ss_service_code, 0x0, "Service Code", HFILL }},
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{ &hf_isi_ss_status_indication,
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{ "Status Indication", "isi.ss.status_indication", FT_UINT8, BASE_HEX, isi_ss_status_indication, 0x0, "Status Indication", HFILL }},
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{ &hf_isi_ss_ussd_length,
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{ "Length", "isi.ss.ussd.length", FT_UINT8, BASE_DEC, NULL, 0x0, "Length", HFILL }},
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{ &hf_isi_ss_common_message_id,
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{ "Common Message ID", "isi.ss.common.msg_id", FT_UINT8, BASE_HEX, isi_ss_common_message_id, 0x0, "Common Message ID", HFILL }},
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};
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proto_register_field_array(proto_isi, hf, array_length(hf));
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register_dissector("isi.ss", dissect_isi_ss, proto_isi);
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}
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static void dissect_isi_ss(tvbuff_t *tvb, packet_info *pinfo, proto_item *isitree) {
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proto_item *item = NULL;
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proto_tree *tree = NULL;
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guint8 cmd, code;
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if(isitree) {
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tree = proto_tree_add_subtree_format(isitree, tvb, 0, -1, ett_isi_msg, &item, "Payload");
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proto_tree_add_item(tree, hf_isi_ss_message_id, tvb, 0, 1, FALSE);
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cmd = tvb_get_guint8(tvb, 0);
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switch(cmd) {
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case 0x00: /* SS_SERVICE_REQ */
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proto_tree_add_item(tree, hf_isi_ss_operation, tvb, 1, 1, FALSE);
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proto_tree_add_item(tree, hf_isi_ss_service_code, tvb, 2, 1, FALSE);
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code = tvb_get_guint8(tvb, 1);
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switch(code) {
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case 0x05:
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col_set_str(pinfo->cinfo, COL_INFO, "Service Request: Interrogation");
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break;
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case 0x06:
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col_set_str(pinfo->cinfo, COL_INFO, "Service Request: GSM Password Registration");
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break;
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default:
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col_set_str(pinfo->cinfo, COL_INFO, "Service Request");
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break;
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}
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break;
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case 0x01: /* SS_SERVICE_COMPLETED_RESP */
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proto_tree_add_item(tree, hf_isi_ss_operation, tvb, 1, 1, FALSE);
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proto_tree_add_item(tree, hf_isi_ss_service_code, tvb, 2, 1, FALSE);
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code = tvb_get_guint8(tvb, 1);
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switch(code) {
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case 0x05:
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col_set_str(pinfo->cinfo, COL_INFO, "Service Completed Response: Interrogation");
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break;
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default:
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col_set_str(pinfo->cinfo, COL_INFO, "Service Completed Response");
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break;
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}
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break;
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case 0x02: /* SS_SERVICE_FAILED_RESP */
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//proto_tree_add_item(tree, hf_isi_ss_service_type, tvb, 1, 1, FALSE);
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code = tvb_get_guint8(tvb, 1);
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switch(code) {
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//case 0x2F:
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// col_set_str(pinfo->cinfo, COL_INFO, "Network Information Request: Read Home PLMN");
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// break;
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default:
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col_set_str(pinfo->cinfo, COL_INFO, "Service Failed Response");
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break;
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}
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break;
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case 0x04: /* SS_GSM_USSD_SEND_REQ */
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proto_tree_add_item(tree, hf_isi_ss_ussd_type, tvb, 1, 1, FALSE);
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proto_tree_add_item(tree, hf_isi_ss_subblock_count, tvb, 2, 1, FALSE);
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code = tvb_get_guint8(tvb, 1);
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switch(code) {
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case 0x02: //SS_GSM_USSD_COMMAND
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proto_tree_add_item(tree, hf_isi_ss_subblock, tvb, 3, 1, FALSE);
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col_set_str(pinfo->cinfo, COL_INFO, "GSM USSD Send Command Request");
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break;
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default:
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col_set_str(pinfo->cinfo, COL_INFO, "GSM USSD Message Send Request");
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break;
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}
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break;
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case 0x05: /* SS_GSM_USSD_SEND_RESP */
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//proto_tree_add_item(tree, hf_isi_ss_service_type, tvb, 1, 1, FALSE);
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code = tvb_get_guint8(tvb, 1);
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switch(code) {
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//case 0x2F:
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// col_set_str(pinfo->cinfo, COL_INFO, "Network Information Request: Read Home PLMN");
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// break;
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default:
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col_set_str(pinfo->cinfo, COL_INFO, "GSM USSD Message Send Response");
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break;
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}
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break;
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case 0x06: /* SS_GSM_USSD_RECEIVE_IND */
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//An unknown Encoding Information byte precedes - see 3GPP TS 23.038 chapter 5
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proto_tree_add_item(tree, hf_isi_ss_ussd_type, tvb, 2, 1, FALSE);
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proto_tree_add_item(tree, hf_isi_ss_ussd_length, tvb, 3, 1, FALSE);
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code = tvb_get_guint8(tvb, 1);
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switch(code) {
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case 0x04:
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col_set_str(pinfo->cinfo, COL_INFO, "GSM USSD Message Received Notification");
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break;
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default:
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col_set_str(pinfo->cinfo, COL_INFO, "GSM USSD Message Received Indication");
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break;
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}
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break;
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case 0x09: /* SS_STATUS_IND */
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proto_tree_add_item(tree, hf_isi_ss_status_indication, tvb, 1, 1, FALSE);
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proto_tree_add_item(tree, hf_isi_ss_subblock_count, tvb, 2, 1, FALSE);
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//proto_tree_add_item(tree, hf_isi_ss_subblock, tvb, 3, 1, FALSE);
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code = tvb_get_guint8(tvb, 1);
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switch(code) {
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case 0x00:
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col_set_str(pinfo->cinfo, COL_INFO, "Status Indication: Request Service Start");
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break;
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case 0x01:
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col_set_str(pinfo->cinfo, COL_INFO, "Status Indication: Request Service Stop");
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break;
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case 0x02:
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col_set_str(pinfo->cinfo, COL_INFO, "Status Indication: Request USSD Start");
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break;
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case 0x03:
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col_set_str(pinfo->cinfo, COL_INFO, "Status Indication: Request USSD Stop");
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break;
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default:
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col_set_str(pinfo->cinfo, COL_INFO, "Status Indication");
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break;
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}
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break;
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case 0x10: /* SS_SERVICE_COMPLETED_IND */
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proto_tree_add_item(tree, hf_isi_ss_operation, tvb, 1, 1, FALSE);
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proto_tree_add_item(tree, hf_isi_ss_service_code, tvb, 2, 1, FALSE);
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code = tvb_get_guint8(tvb, 1);
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switch(code) {
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case 0x05:
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col_set_str(pinfo->cinfo, COL_INFO, "Service Completed Indication: Interrogation");
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break;
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default:
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col_set_str(pinfo->cinfo, COL_INFO, "Service Completed Indication");
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break;
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}
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break;
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case 0xF0: /* COMMON_MESSAGE */
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dissect_isi_common("Subscriber Service", tvb, pinfo, tree);
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break;
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default:
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col_set_str(pinfo->cinfo, COL_INFO, "Unknown type");
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break;
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}
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}
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}
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