275 lines
8.6 KiB
C
275 lines
8.6 KiB
C
/* packet-inap-template.c
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* Routines for INAP
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* Copyright 2004, Tim Endean <endeant@hotmail.com>
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* Built from the gsm-map dissector Copyright 2004, Anders Broman <anders.broman@ericsson.com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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* References: ETSI 300 374
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* ITU Q.1218
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/prefs.h>
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#include <epan/oids.h>
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#include <epan/expert.h>
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#include <epan/asn1.h>
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#include "packet-ber.h"
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#include "packet-inap.h"
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#include "packet-q931.h"
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#include "packet-e164.h"
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#include "packet-isup.h"
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#include "packet-tcap.h"
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#include "packet-dap.h"
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#include "packet-dsp.h"
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#define PNAME "Intelligent Network Application Protocol"
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#define PSNAME "INAP"
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#define PFNAME "inap"
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void proto_register_inap(void);
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void proto_reg_handoff_inap(void);
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/* Initialize the protocol and registered fields */
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static int proto_inap = -1;
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/* include constants */
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#include "packet-inap-val.h"
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#include "packet-inap-hf.c"
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#define MAX_SSN 254
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static range_t *global_ssn_range;
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static dissector_handle_t inap_handle;
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static dissector_handle_t data_handle;
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/* Global variables */
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static guint32 opcode=0;
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static guint32 errorCode=0;
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static const char *obj_id = NULL;
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static int inap_opcode_type;
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#define INAP_OPCODE_INVOKE 1
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#define INAP_OPCODE_RETURN_RESULT 2
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#define INAP_OPCODE_RETURN_ERROR 3
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#define INAP_OPCODE_REJECT 4
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static int hf_inap_cause_indicator = -1;
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/* Initialize the subtree pointers */
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static gint ett_inap = -1;
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static gint ett_inapisup_parameter = -1;
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static gint ett_inap_HighLayerCompatibility = -1;
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static gint ett_inap_extention_data = -1;
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static gint ett_inap_cause = -1;
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#include "packet-inap-ett.c"
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static expert_field ei_inap_unknown_invokeData = EI_INIT;
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static expert_field ei_inap_unknown_returnResultData = EI_INIT;
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static expert_field ei_inap_unknown_returnErrorData = EI_INIT;
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#include "packet-inap-table.c"
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const value_string inap_general_problem_strings[] = {
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{0,"General Problem Unrecognized Component"},
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{1,"General Problem Mistyped Component"},
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{3,"General Problem Badly Structured Component"},
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{0, NULL}
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};
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/* Forvard declarations */
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static int dissect_invokeData(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_);
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static int dissect_returnResultData(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_);
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static int dissect_returnErrorData(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx);
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#include "packet-inap-fn.c"
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/*
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TC-Invokable OPERATION ::=
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{activateServiceFiltering | activityTest | analysedInformation |
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analyseInformation | applyCharging | applyChargingReport |
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assistRequestInstructions | callGap | callInformationReport |
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callInformationRequest | cancel | cancelStatusReportRequest |
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collectedInformation | collectInformation | connect | connectToResource |
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continue | disconnectForwardConnection | establishTemporaryConnection |
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eventNotificationCharging | eventReportBCSM | furnishChargingInformation |
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holdCallInNetwork | initialDP | initiateCallAttempt | oAnswer |
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oCalledPartyBusy | oDisconnect | oMidCall | oNoAnswer |
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originationAttemptAuthorized | releaseCall | requestCurrentStatusReport |
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requestEveryStatusChangeReport | requestFirstStatusMatchReport |
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requestNotificationChargingEvent | requestReportBCSMEvent | resetTimer |
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routeSelectFailure | selectFacility | selectRoute | sendChargingInformation
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| serviceFilteringResponse | statusReport | tAnswer | tBusy | tDisconnect |
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termAttemptAuthorized | tMidCall | tNoAnswer | playAnnouncement |
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promptAndCollectUserInformation}
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*/
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#include "packet-inap-table2.c"
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static guint8 inap_pdu_type = 0;
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static guint8 inap_pdu_size = 0;
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static int
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dissect_inap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data _U_)
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{
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proto_item *item=NULL;
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proto_tree *tree=NULL;
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int offset = 0;
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asn1_ctx_t asn1_ctx;
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asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "INAP");
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/* create display subtree for the protocol */
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if(parent_tree){
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item = proto_tree_add_item(parent_tree, proto_inap, tvb, 0, -1, ENC_NA);
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tree = proto_item_add_subtree(item, ett_inap);
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}
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inap_pdu_type = tvb_get_guint8(tvb, offset)&0x0f;
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/* Get the length and add 2 */
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inap_pdu_size = tvb_get_guint8(tvb, offset+1)+2;
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opcode = 0;
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dissect_inap_ROS(TRUE, tvb, offset, &asn1_ctx, tree, -1);
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return inap_pdu_size;
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}
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/*--- proto_reg_handoff_inap ---------------------------------------*/
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static void range_delete_callback(guint32 ssn)
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{
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if (ssn) {
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delete_itu_tcap_subdissector(ssn, inap_handle);
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}
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}
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static void range_add_callback(guint32 ssn)
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{
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if (ssn) {
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add_itu_tcap_subdissector(ssn, inap_handle);
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}
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}
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void proto_reg_handoff_inap(void) {
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static gboolean inap_prefs_initialized = FALSE;
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static range_t *ssn_range;
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if (!inap_prefs_initialized) {
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inap_prefs_initialized = TRUE;
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inap_handle = find_dissector("inap");
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data_handle = find_dissector("data");
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oid_add_from_string("Core-INAP-CS1-Codes","0.4.0.1.1.0.3.0");
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oid_add_from_string("iso(1) identified-organization(3) icd-ecma(12) member-company(2) 1107 oen(3) inap(3) extensions(2)","1.3.12.2.1107.3.3.2");
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oid_add_from_string("alcatel(1006)","1.3.12.2.1006.64");
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oid_add_from_string("Siemens (1107)","1.3.12.2.1107");
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oid_add_from_string("iso(1) member-body(2) gb(826) national(0) ericsson(1249) inDomain(51) inNetwork(1) inNetworkcapabilitySet1plus(1) ","1.2.826.0.1249.51.1.1");
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}
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else {
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range_foreach(ssn_range, range_delete_callback);
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g_free(ssn_range);
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}
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ssn_range = range_copy(global_ssn_range);
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range_foreach(ssn_range, range_add_callback);
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}
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void proto_register_inap(void) {
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module_t *inap_module;
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/* List of fields */
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static hf_register_info hf[] = {
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{ &hf_inap_cause_indicator, /* Currently not enabled */
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{ "Cause indicator", "inap.cause_indicator",
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FT_UINT8, BASE_DEC | BASE_EXT_STRING, &q850_cause_code_vals_ext, 0x7f,
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NULL, HFILL } },
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#include "packet-inap-hfarr.c"
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};
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/* List of subtrees */
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static gint *ett[] = {
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&ett_inap,
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&ett_inapisup_parameter,
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&ett_inap_HighLayerCompatibility,
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&ett_inap_extention_data,
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&ett_inap_cause,
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#include "packet-inap-ettarr.c"
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};
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static ei_register_info ei[] = {
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{ &ei_inap_unknown_invokeData, { "inap.unknown.invokeData", PI_MALFORMED, PI_WARN, "Unknown invokeData", EXPFILL }},
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{ &ei_inap_unknown_returnResultData, { "inap.unknown.returnResultData", PI_MALFORMED, PI_WARN, "Unknown returnResultData", EXPFILL }},
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{ &ei_inap_unknown_returnErrorData, { "inap.unknown.returnErrorData", PI_MALFORMED, PI_WARN, "Unknown returnResultData", EXPFILL }},
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};
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expert_module_t* expert_inap;
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/* Register protocol */
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proto_inap = proto_register_protocol(PNAME, PSNAME, PFNAME);
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register_dissector("inap", dissect_inap, proto_inap);
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/* Register fields and subtrees */
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proto_register_field_array(proto_inap, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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expert_inap = expert_register_protocol(proto_inap);
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expert_register_field_array(expert_inap, ei, array_length(ei));
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register_ber_oid_dissector("0.4.0.1.1.1.0.0", dissect_inap, proto_inap, "cs1-ssp-to-scp");
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/* Set default SSNs */
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range_convert_str(&global_ssn_range, "106,241", MAX_SSN);
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inap_module = prefs_register_protocol(proto_inap, proto_reg_handoff_inap);
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prefs_register_obsolete_preference(inap_module, "tcap.itu_ssn");
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prefs_register_obsolete_preference(inap_module, "tcap.itu_ssn1");
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prefs_register_range_preference(inap_module, "ssn", "TCAP SSNs",
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"TCAP Subsystem numbers used for INAP",
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&global_ssn_range, MAX_SSN);
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}
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 2
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=2 tabstop=8 expandtab:
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* :indentSize=2:tabSize=8:noTabs=true:
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*/
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