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