/* packet-inap-template.c * Routines for INAP * Copyright 2004, Tim Endean * Built from the gsm-map dissector Copyright 2004, Anders Broman * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * References: ETSI 300 374 * ITU Q.1218 */ #include "config.h" #include #include #include #include #include #include "packet-ber.h" #include "packet-inap.h" #include "packet-q931.h" #include "packet-e164.h" #include "packet-isup.h" #include "packet-tcap.h" #include "packet-dap.h" #include "packet-dsp.h" #define PNAME "Intelligent Network Application Protocol" #define PSNAME "INAP" #define PFNAME "inap" void proto_register_inap(void); void proto_reg_handoff_inap(void); /* Initialize the protocol and registered fields */ static int proto_inap = -1; /* include constants */ #include "packet-inap-val.h" #include "packet-inap-hf.c" #define MAX_SSN 254 static range_t *global_ssn_range; static dissector_handle_t inap_handle; static dissector_handle_t data_handle; /* Global variables */ static guint32 opcode=0; static guint32 errorCode=0; static const char *obj_id = NULL; static int inap_opcode_type; #define INAP_OPCODE_INVOKE 1 #define INAP_OPCODE_RETURN_RESULT 2 #define INAP_OPCODE_RETURN_ERROR 3 #define INAP_OPCODE_REJECT 4 static int hf_inap_cause_indicator = -1; /* Initialize the subtree pointers */ static gint ett_inap = -1; static gint ett_inapisup_parameter = -1; static gint ett_inap_HighLayerCompatibility = -1; static gint ett_inap_extention_data = -1; static gint ett_inap_cause = -1; #include "packet-inap-ett.c" static expert_field ei_inap_unknown_invokeData = EI_INIT; static expert_field ei_inap_unknown_returnResultData = EI_INIT; static expert_field ei_inap_unknown_returnErrorData = EI_INIT; #include "packet-inap-table.c" const value_string inap_general_problem_strings[] = { {0,"General Problem Unrecognized Component"}, {1,"General Problem Mistyped Component"}, {3,"General Problem Badly Structured Component"}, {0, NULL} }; /* Forvard declarations */ static int dissect_invokeData(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_); static int dissect_returnResultData(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_); static int dissect_returnErrorData(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx); #include "packet-inap-fn.c" /* TC-Invokable OPERATION ::= {activateServiceFiltering | activityTest | analysedInformation | analyseInformation | applyCharging | applyChargingReport | assistRequestInstructions | callGap | callInformationReport | callInformationRequest | cancel | cancelStatusReportRequest | collectedInformation | collectInformation | connect | connectToResource | continue | disconnectForwardConnection | establishTemporaryConnection | eventNotificationCharging | eventReportBCSM | furnishChargingInformation | holdCallInNetwork | initialDP | initiateCallAttempt | oAnswer | oCalledPartyBusy | oDisconnect | oMidCall | oNoAnswer | originationAttemptAuthorized | releaseCall | requestCurrentStatusReport | requestEveryStatusChangeReport | requestFirstStatusMatchReport | requestNotificationChargingEvent | requestReportBCSMEvent | resetTimer | routeSelectFailure | selectFacility | selectRoute | sendChargingInformation | serviceFilteringResponse | statusReport | tAnswer | tBusy | tDisconnect | termAttemptAuthorized | tMidCall | tNoAnswer | playAnnouncement | promptAndCollectUserInformation} */ #include "packet-inap-table2.c" static guint8 inap_pdu_type = 0; static guint8 inap_pdu_size = 0; static int dissect_inap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data _U_) { proto_item *item=NULL; proto_tree *tree=NULL; int offset = 0; asn1_ctx_t asn1_ctx; asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo); col_set_str(pinfo->cinfo, COL_PROTOCOL, "INAP"); /* create display subtree for the protocol */ if(parent_tree){ item = proto_tree_add_item(parent_tree, proto_inap, tvb, 0, -1, ENC_NA); tree = proto_item_add_subtree(item, ett_inap); } inap_pdu_type = tvb_get_guint8(tvb, offset)&0x0f; /* Get the length and add 2 */ inap_pdu_size = tvb_get_guint8(tvb, offset+1)+2; opcode = 0; dissect_inap_ROS(TRUE, tvb, offset, &asn1_ctx, tree, -1); return inap_pdu_size; } /*--- proto_reg_handoff_inap ---------------------------------------*/ static void range_delete_callback(guint32 ssn) { if (ssn) { delete_itu_tcap_subdissector(ssn, inap_handle); } } static void range_add_callback(guint32 ssn) { if (ssn) { add_itu_tcap_subdissector(ssn, inap_handle); } } void proto_reg_handoff_inap(void) { static gboolean inap_prefs_initialized = FALSE; static range_t *ssn_range; if (!inap_prefs_initialized) { inap_prefs_initialized = TRUE; inap_handle = find_dissector("inap"); data_handle = find_dissector("data"); oid_add_from_string("Core-INAP-CS1-Codes","0.4.0.1.1.0.3.0"); 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"); oid_add_from_string("alcatel(1006)","1.3.12.2.1006.64"); oid_add_from_string("Siemens (1107)","1.3.12.2.1107"); 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"); } else { range_foreach(ssn_range, range_delete_callback); g_free(ssn_range); } ssn_range = range_copy(global_ssn_range); range_foreach(ssn_range, range_add_callback); } void proto_register_inap(void) { module_t *inap_module; /* List of fields */ static hf_register_info hf[] = { { &hf_inap_cause_indicator, /* Currently not enabled */ { "Cause indicator", "inap.cause_indicator", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &q850_cause_code_vals_ext, 0x7f, NULL, HFILL } }, #include "packet-inap-hfarr.c" }; /* List of subtrees */ static gint *ett[] = { &ett_inap, &ett_inapisup_parameter, &ett_inap_HighLayerCompatibility, &ett_inap_extention_data, &ett_inap_cause, #include "packet-inap-ettarr.c" }; static ei_register_info ei[] = { { &ei_inap_unknown_invokeData, { "inap.unknown.invokeData", PI_MALFORMED, PI_WARN, "Unknown invokeData", EXPFILL }}, { &ei_inap_unknown_returnResultData, { "inap.unknown.returnResultData", PI_MALFORMED, PI_WARN, "Unknown returnResultData", EXPFILL }}, { &ei_inap_unknown_returnErrorData, { "inap.unknown.returnErrorData", PI_MALFORMED, PI_WARN, "Unknown returnResultData", EXPFILL }}, }; expert_module_t* expert_inap; /* Register protocol */ proto_inap = proto_register_protocol(PNAME, PSNAME, PFNAME); register_dissector("inap", dissect_inap, proto_inap); /* Register fields and subtrees */ proto_register_field_array(proto_inap, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_inap = expert_register_protocol(proto_inap); expert_register_field_array(expert_inap, ei, array_length(ei)); register_ber_oid_dissector("0.4.0.1.1.1.0.0", dissect_inap, proto_inap, "cs1-ssp-to-scp"); /* Set default SSNs */ range_convert_str(&global_ssn_range, "106,241", MAX_SSN); inap_module = prefs_register_protocol(proto_inap, proto_reg_handoff_inap); prefs_register_obsolete_preference(inap_module, "tcap.itu_ssn"); prefs_register_obsolete_preference(inap_module, "tcap.itu_ssn1"); prefs_register_range_preference(inap_module, "ssn", "TCAP SSNs", "TCAP Subsystem numbers used for INAP", &global_ssn_range, MAX_SSN); }