forked from osmocom/wireshark
de90565452
No need to duplicate memory allocation of hash tables to have a "debug copy". Maybe a separate wmem allocator can be used within the dissector, but that type of debugging shouldn't be in trunk source. Keep it on private branch until it's working. Change-Id: I4bdd0f3d1b613f7ae79aa57ebb8e5c3293023253 Reviewed-on: https://code.wireshark.org/review/16282 Reviewed-by: Michael Mann <mmann78@netscape.net>
3994 lines
145 KiB
C
3994 lines
145 KiB
C
/* Do not modify this file. Changes will be overwritten. */
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/* Generated automatically by the ASN.1 to Wireshark dissector compiler */
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/* packet-tcap.c */
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/* asn2wrs.py -b -p tcap -c ./tcap.cnf -s ./packet-tcap-template -D . -O ../.. tcap.asn UnidialoguePDUs.asn DialoguePDUs.asn */
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/* Input file: packet-tcap-template.c */
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#line 1 "./asn1/tcap/packet-tcap-template.c"
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/* packet-tcap-template.c
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* Routines for TCAP
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* Copyright 2004 - 2005, Tim Endean <endeant@hotmail.com>
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* Built from the gsm-map dissector Copyright 2004 - 2005, 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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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/exceptions.h>
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#include <epan/prefs.h>
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#include <epan/oids.h>
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#include <epan/asn1.h>
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#include <epan/address_types.h>
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#include <epan/strutil.h>
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#include <epan/show_exception.h>
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#include "packet-ber.h"
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#include "packet-tcap.h"
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#include "packet-mtp3.h"
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#define PNAME "Transaction Capabilities Application Part"
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#define PSNAME "TCAP"
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#define PFNAME "tcap"
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/* Initialize the protocol and registered fields */
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static int proto_tcap = -1;
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static int hf_tcap_tag = -1;
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static int hf_tcap_length = -1;
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static int hf_tcap_data = -1;
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static int hf_tcap_tid = -1;
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static int hf_tcap_constructor_eoc=-1;
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int hf_tcapsrt_SessionId=-1;
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int hf_tcapsrt_Duplicate=-1;
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int hf_tcapsrt_BeginSession=-1;
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int hf_tcapsrt_EndSession=-1;
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int hf_tcapsrt_SessionTime=-1;
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/*--- Included file: packet-tcap-hf.c ---*/
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#line 1 "./asn1/tcap/packet-tcap-hf.c"
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static int hf_tcap_UniDialoguePDU_PDU = -1; /* UniDialoguePDU */
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static int hf_tcap_DialoguePDU_PDU = -1; /* DialoguePDU */
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static int hf_tcap_oid = -1; /* OBJECT_IDENTIFIER */
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static int hf_tcap_dialog = -1; /* Dialog1 */
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static int hf_tcap_unidirectional = -1; /* Unidirectional */
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static int hf_tcap_begin = -1; /* Begin */
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static int hf_tcap_end = -1; /* End */
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static int hf_tcap_continue = -1; /* Continue */
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static int hf_tcap_abort = -1; /* Abort */
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static int hf_tcap_dialoguePortion = -1; /* DialoguePortion */
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static int hf_tcap_components = -1; /* ComponentPortion */
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static int hf_tcap_otid = -1; /* OrigTransactionID */
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static int hf_tcap_dtid = -1; /* DestTransactionID */
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static int hf_tcap_reason = -1; /* Reason */
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static int hf_tcap_p_abortCause = -1; /* P_AbortCause */
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static int hf_tcap_u_abortCause = -1; /* DialoguePortion */
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static int hf_tcap__untag_item = -1; /* Component */
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static int hf_tcap_invoke = -1; /* Invoke */
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static int hf_tcap_returnResultLast = -1; /* ReturnResult */
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static int hf_tcap_returnError = -1; /* ReturnError */
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static int hf_tcap_reject = -1; /* Reject */
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static int hf_tcap_returnResultNotLast = -1; /* ReturnResult */
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static int hf_tcap_invokeID = -1; /* InvokeIdType */
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static int hf_tcap_linkedID = -1; /* InvokeIdType */
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static int hf_tcap_opCode = -1; /* OPERATION */
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static int hf_tcap_parameter = -1; /* Parameter */
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static int hf_tcap_resultretres = -1; /* T_resultretres */
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static int hf_tcap_errorCode = -1; /* ErrorCode */
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static int hf_tcap_invokeIDRej = -1; /* T_invokeIDRej */
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static int hf_tcap_derivable = -1; /* InvokeIdType */
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static int hf_tcap_not_derivable = -1; /* NULL */
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static int hf_tcap_problem = -1; /* T_problem */
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static int hf_tcap_generalProblem = -1; /* GeneralProblem */
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static int hf_tcap_invokeProblem = -1; /* InvokeProblem */
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static int hf_tcap_returnResultProblem = -1; /* ReturnResultProblem */
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static int hf_tcap_returnErrorProblem = -1; /* ReturnErrorProblem */
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static int hf_tcap_localValue = -1; /* INTEGER */
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static int hf_tcap_globalValue = -1; /* OBJECT_IDENTIFIER */
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static int hf_tcap_nationaler = -1; /* INTEGER_M32768_32767 */
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static int hf_tcap_privateer = -1; /* INTEGER */
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static int hf_tcap_unidialoguePDU = -1; /* AUDT_apdu */
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static int hf_tcap_audt_protocol_version = -1; /* AUDT_protocol_version */
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static int hf_tcap_audt_application_context_name = -1; /* AUDT_application_context_name */
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static int hf_tcap_audt_user_information = -1; /* AUDT_user_information */
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static int hf_tcap_audt_user_information_item = -1; /* EXTERNAL */
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static int hf_tcap_dialogueRequest = -1; /* AARQ_apdu */
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static int hf_tcap_dialogueResponse = -1; /* AARE_apdu */
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static int hf_tcap_dialogueAbort = -1; /* ABRT_apdu */
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static int hf_tcap_aarq_protocol_version = -1; /* AARQ_protocol_version */
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static int hf_tcap_aarq_application_context_name = -1; /* AARQ_application_context_name */
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static int hf_tcap_aarq_user_information = -1; /* AARQ_user_information */
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static int hf_tcap_aarq_user_information_item = -1; /* EXTERNAL */
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static int hf_tcap_aare_protocol_version = -1; /* AARE_protocol_version */
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static int hf_tcap_aare_application_context_name = -1; /* AARE_application_context_name */
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static int hf_tcap_result = -1; /* Associate_result */
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static int hf_tcap_result_source_diagnostic = -1; /* Associate_source_diagnostic */
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static int hf_tcap_aare_user_information = -1; /* AARE_user_information */
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static int hf_tcap_aare_user_information_item = -1; /* EXTERNAL */
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static int hf_tcap_abort_source = -1; /* ABRT_source */
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static int hf_tcap_abrt_user_information = -1; /* ABRT_user_information */
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static int hf_tcap_abrt_user_information_item = -1; /* EXTERNAL */
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static int hf_tcap_dialogue_service_user = -1; /* T_dialogue_service_user */
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static int hf_tcap_dialogue_service_provider = -1; /* T_dialogue_service_provider */
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/* named bits */
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static int hf_tcap_AUDT_protocol_version_version1 = -1;
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static int hf_tcap_AARQ_protocol_version_version1 = -1;
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static int hf_tcap_AARE_protocol_version_version1 = -1;
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/*--- End of included file: packet-tcap-hf.c ---*/
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#line 61 "./asn1/tcap/packet-tcap-template.c"
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/* Initialize the subtree pointers */
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static gint ett_tcap = -1;
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static gint ett_param = -1;
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static gint ett_otid = -1;
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static gint ett_dtid = -1;
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gint ett_tcap_stat = -1;
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static struct tcapsrt_info_t * gp_tcapsrt_info;
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static gboolean tcap_subdissector_used=FALSE;
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static dissector_handle_t requested_subdissector_handle = NULL;
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static int ss7pc_address_type = -1;
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static struct tcaphash_context_t * gp_tcap_context=NULL;
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/*--- Included file: packet-tcap-ett.c ---*/
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#line 1 "./asn1/tcap/packet-tcap-ett.c"
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static gint ett_tcap_ExternalPDU_U = -1;
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static gint ett_tcap_TCMessage = -1;
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static gint ett_tcap_Unidirectional = -1;
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static gint ett_tcap_Begin = -1;
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static gint ett_tcap_End = -1;
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static gint ett_tcap_Continue = -1;
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static gint ett_tcap_Abort = -1;
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static gint ett_tcap_Reason = -1;
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static gint ett_tcap_SEQUENCE_SIZE_1_MAX_OF_Component = -1;
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static gint ett_tcap_Component = -1;
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static gint ett_tcap_Invoke = -1;
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static gint ett_tcap_ReturnResult = -1;
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static gint ett_tcap_T_resultretres = -1;
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static gint ett_tcap_ReturnError = -1;
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static gint ett_tcap_Reject = -1;
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static gint ett_tcap_T_invokeIDRej = -1;
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static gint ett_tcap_T_problem = -1;
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static gint ett_tcap_OPERATION = -1;
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static gint ett_tcap_ErrorCode = -1;
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static gint ett_tcap_UniDialoguePDU = -1;
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static gint ett_tcap_AUDT_apdu_U = -1;
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static gint ett_tcap_AUDT_protocol_version = -1;
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static gint ett_tcap_AUDT_user_information = -1;
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static gint ett_tcap_DialoguePDU = -1;
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static gint ett_tcap_AARQ_apdu_U = -1;
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static gint ett_tcap_AARQ_protocol_version = -1;
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static gint ett_tcap_AARQ_user_information = -1;
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static gint ett_tcap_AARE_apdu_U = -1;
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static gint ett_tcap_AARE_protocol_version = -1;
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static gint ett_tcap_AARE_user_information = -1;
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static gint ett_tcap_ABRT_apdu_U = -1;
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static gint ett_tcap_ABRT_user_information = -1;
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static gint ett_tcap_Associate_source_diagnostic = -1;
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/*--- End of included file: packet-tcap-ett.c ---*/
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#line 79 "./asn1/tcap/packet-tcap-template.c"
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/* When several Tcap components are received in a single TCAP message,
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we have to use several buffers for the stored parameters
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because else this data are erased during TAP dissector call */
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#define MAX_TCAP_INSTANCE 10
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static int tcapsrt_global_current=0;
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static struct tcapsrt_info_t tcapsrt_global_info[MAX_TCAP_INSTANCE];
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#define MAX_SSN 254
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static range_t *global_ssn_range;
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static range_t *ssn_range;
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struct tcap_private_t tcap_private;
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gboolean gtcap_HandleSRT=FALSE;
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/* These two timeout (in second) are used when some message are lost,
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or when the same TCAP transcation identifier is reused */
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guint gtcap_RepetitionTimeout = 10;
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guint gtcap_LostTimeout = 30;
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gboolean gtcap_PersistentSRT=FALSE;
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gboolean gtcap_DisplaySRT=FALSE;
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gboolean gtcap_StatSRT=FALSE;
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/* Global hash tables*/
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static GHashTable *tcaphash_context = NULL;
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static GHashTable *tcaphash_begin = NULL;
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static GHashTable *tcaphash_cont = NULL;
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static GHashTable *tcaphash_end = NULL;
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static GHashTable *tcaphash_ansi = NULL;
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static guint32 tcapsrt_global_SessionId=1;
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static dissector_handle_t tcap_handle = NULL;
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static dissector_table_t ber_oid_dissector_table;
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static const char * cur_oid;
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static const char * tcapext_oid;
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static proto_tree * tcap_top_tree=NULL;
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static proto_tree * tcap_stat_tree=NULL;
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static dissector_handle_t data_handle;
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static dissector_handle_t ansi_tcap_handle;
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static void raz_tcap_private(struct tcap_private_t * p_tcap_private);
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static int dissect_tcap_param(asn1_ctx_t *actx, proto_tree *tree, tvbuff_t *tvb, int offset);
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static int dissect_tcap_ITU_ComponentPDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_, proto_tree *tree, int hf_index _U_);
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static GHashTable* ansi_sub_dissectors = NULL;
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static GHashTable* itu_sub_dissectors = NULL;
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extern void add_ansi_tcap_subdissector(guint32 ssn, dissector_handle_t dissector) {
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g_hash_table_insert(ansi_sub_dissectors,GUINT_TO_POINTER(ssn),dissector);
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dissector_add_uint("sccp.ssn",ssn,tcap_handle);
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}
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extern void add_itu_tcap_subdissector(guint32 ssn, dissector_handle_t dissector) {
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g_hash_table_insert(itu_sub_dissectors,GUINT_TO_POINTER(ssn),dissector);
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dissector_add_uint("sccp.ssn",ssn,tcap_handle);
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}
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extern void delete_ansi_tcap_subdissector(guint32 ssn, dissector_handle_t dissector _U_) {
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g_hash_table_remove(ansi_sub_dissectors,GUINT_TO_POINTER(ssn));
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if (!get_itu_tcap_subdissector(ssn))
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dissector_delete_uint("sccp.ssn",ssn,tcap_handle);
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}
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extern void delete_itu_tcap_subdissector(guint32 ssn, dissector_handle_t dissector _U_) {
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g_hash_table_remove(itu_sub_dissectors,GUINT_TO_POINTER(ssn));
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if (!get_ansi_tcap_subdissector(ssn))
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dissector_delete_uint("sccp.ssn", ssn,tcap_handle);
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}
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dissector_handle_t get_ansi_tcap_subdissector(guint32 ssn) {
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return (dissector_handle_t)g_hash_table_lookup(ansi_sub_dissectors,GUINT_TO_POINTER(ssn));
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}
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dissector_handle_t get_itu_tcap_subdissector(guint32 ssn) {
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return (dissector_handle_t)g_hash_table_lookup(itu_sub_dissectors,GUINT_TO_POINTER(ssn));
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}
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/*--- Included file: packet-tcap-fn.c ---*/
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#line 1 "./asn1/tcap/packet-tcap-fn.c"
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static int
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dissect_tcap_OBJECT_IDENTIFIER(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_object_identifier(implicit_tag, actx, tree, tvb, offset, hf_index, NULL);
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return offset;
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}
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static int
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dissect_tcap_Dialog1(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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#line 72 "./asn1/tcap/tcap.cnf"
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offset = dissect_tcap_DialoguePDU(TRUE, tvb, offset, actx, tree, -1);
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return offset;
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}
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static const ber_sequence_t ExternalPDU_U_sequence[] = {
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{ &hf_tcap_oid , BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_tcap_OBJECT_IDENTIFIER },
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{ &hf_tcap_dialog , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_tcap_Dialog1 },
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{ NULL, 0, 0, 0, NULL }
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};
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static int
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dissect_tcap_ExternalPDU_U(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
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ExternalPDU_U_sequence, hf_index, ett_tcap_ExternalPDU_U);
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return offset;
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}
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static int
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dissect_tcap_ExternalPDU(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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#line 67 "./asn1/tcap/tcap.cnf"
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offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset,
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hf_index, BER_CLASS_UNI, 8, TRUE, dissect_tcap_ExternalPDU_U);
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return offset;
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}
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static int
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dissect_tcap_DialogueOC(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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#line 62 "./asn1/tcap/tcap.cnf"
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offset = dissect_tcap_ExternalPDU(FALSE /*implicit_tag*/, tvb, offset, actx, tree, -1);
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return offset;
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}
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static int
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dissect_tcap_DialoguePortion(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset,
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hf_index, BER_CLASS_APP, 11, TRUE, dissect_tcap_DialogueOC);
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return offset;
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}
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static int
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dissect_tcap_InvokeIdType(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
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NULL);
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return offset;
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}
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static int
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dissect_tcap_INTEGER(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
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NULL);
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return offset;
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}
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static const value_string tcap_OPERATION_vals[] = {
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{ 0, "localValue" },
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{ 1, "globalValue" },
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{ 0, NULL }
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};
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static const ber_choice_t OPERATION_choice[] = {
|
|
{ 0, &hf_tcap_localValue , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_tcap_INTEGER },
|
|
{ 1, &hf_tcap_globalValue , BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_tcap_OBJECT_IDENTIFIER },
|
|
{ 0, NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_OPERATION(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_choice(actx, tree, tvb, offset,
|
|
OPERATION_choice, hf_index, ett_tcap_OPERATION,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_Parameter(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 77 "./asn1/tcap/tcap.cnf"
|
|
|
|
offset = dissect_tcap_param(actx,tree,tvb,offset);
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t Invoke_sequence[] = {
|
|
{ &hf_tcap_invokeID , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_tcap_InvokeIdType },
|
|
{ &hf_tcap_linkedID , BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_tcap_InvokeIdType },
|
|
{ &hf_tcap_opCode , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_tcap_OPERATION },
|
|
{ &hf_tcap_parameter , BER_CLASS_ANY, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_tcap_Parameter },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_Invoke(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
Invoke_sequence, hf_index, ett_tcap_Invoke);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t T_resultretres_sequence[] = {
|
|
{ &hf_tcap_opCode , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_tcap_OPERATION },
|
|
{ &hf_tcap_parameter , BER_CLASS_ANY, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_tcap_Parameter },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_T_resultretres(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
T_resultretres_sequence, hf_index, ett_tcap_T_resultretres);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t ReturnResult_sequence[] = {
|
|
{ &hf_tcap_invokeID , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_tcap_InvokeIdType },
|
|
{ &hf_tcap_resultretres , BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_tcap_T_resultretres },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_ReturnResult(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
ReturnResult_sequence, hf_index, ett_tcap_ReturnResult);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_INTEGER_M32768_32767(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_ErrorCode_vals[] = {
|
|
{ 19, "nationaler" },
|
|
{ 20, "privateer" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t ErrorCode_choice[] = {
|
|
{ 19, &hf_tcap_nationaler , BER_CLASS_PRI, 19, BER_FLAGS_IMPLTAG, dissect_tcap_INTEGER_M32768_32767 },
|
|
{ 20, &hf_tcap_privateer , BER_CLASS_PRI, 20, BER_FLAGS_IMPLTAG, dissect_tcap_INTEGER },
|
|
{ 0, NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_ErrorCode(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_choice(actx, tree, tvb, offset,
|
|
ErrorCode_choice, hf_index, ett_tcap_ErrorCode,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t ReturnError_sequence[] = {
|
|
{ &hf_tcap_invokeID , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_tcap_InvokeIdType },
|
|
{ &hf_tcap_errorCode , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_tcap_ErrorCode },
|
|
{ &hf_tcap_parameter , BER_CLASS_ANY, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_tcap_Parameter },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_ReturnError(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
ReturnError_sequence, hf_index, ett_tcap_ReturnError);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_NULL(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_null(implicit_tag, actx, tree, tvb, offset, hf_index);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_T_invokeIDRej_vals[] = {
|
|
{ 0, "derivable" },
|
|
{ 1, "not-derivable" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t T_invokeIDRej_choice[] = {
|
|
{ 0, &hf_tcap_derivable , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_tcap_InvokeIdType },
|
|
{ 1, &hf_tcap_not_derivable , BER_CLASS_UNI, BER_UNI_TAG_NULL, BER_FLAGS_NOOWNTAG, dissect_tcap_NULL },
|
|
{ 0, NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_T_invokeIDRej(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_choice(actx, tree, tvb, offset,
|
|
T_invokeIDRej_choice, hf_index, ett_tcap_T_invokeIDRej,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_GeneralProblem_vals[] = {
|
|
{ 0, "unrecognizedComponent" },
|
|
{ 1, "mistypedComponent" },
|
|
{ 2, "badlyStructuredComponent" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_tcap_GeneralProblem(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_InvokeProblem_vals[] = {
|
|
{ 0, "duplicateInvokeID" },
|
|
{ 1, "unrecognizedOperation" },
|
|
{ 2, "mistypedParameter" },
|
|
{ 3, "resourceLimitation" },
|
|
{ 4, "initiatingRelease" },
|
|
{ 5, "unrecognizedLinkedID" },
|
|
{ 6, "linkedResponseUnexpected" },
|
|
{ 7, "unexpectedLinkedOperation" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_tcap_InvokeProblem(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_ReturnResultProblem_vals[] = {
|
|
{ 0, "unrecognizedInvokeID" },
|
|
{ 1, "returnResultUnexpected" },
|
|
{ 2, "mistypedParameter" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_tcap_ReturnResultProblem(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_ReturnErrorProblem_vals[] = {
|
|
{ 0, "unrecognizedInvokeID" },
|
|
{ 1, "returnErrorUnexpected" },
|
|
{ 2, "unrecognizedError" },
|
|
{ 3, "unexpectedError" },
|
|
{ 4, "mistypedParameter" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_tcap_ReturnErrorProblem(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_T_problem_vals[] = {
|
|
{ 0, "generalProblem" },
|
|
{ 1, "invokeProblem" },
|
|
{ 2, "returnResultProblem" },
|
|
{ 3, "returnErrorProblem" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t T_problem_choice[] = {
|
|
{ 0, &hf_tcap_generalProblem , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_tcap_GeneralProblem },
|
|
{ 1, &hf_tcap_invokeProblem , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_tcap_InvokeProblem },
|
|
{ 2, &hf_tcap_returnResultProblem, BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_tcap_ReturnResultProblem },
|
|
{ 3, &hf_tcap_returnErrorProblem, BER_CLASS_CON, 3, BER_FLAGS_IMPLTAG, dissect_tcap_ReturnErrorProblem },
|
|
{ 0, NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_T_problem(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_choice(actx, tree, tvb, offset,
|
|
T_problem_choice, hf_index, ett_tcap_T_problem,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t Reject_sequence[] = {
|
|
{ &hf_tcap_invokeIDRej , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_tcap_T_invokeIDRej },
|
|
{ &hf_tcap_problem , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_tcap_T_problem },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_Reject(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
Reject_sequence, hf_index, ett_tcap_Reject);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_Component_vals[] = {
|
|
{ 1, "invoke" },
|
|
{ 2, "returnResultLast" },
|
|
{ 3, "returnError" },
|
|
{ 4, "reject" },
|
|
{ 7, "returnResultNotLast" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t Component_choice[] = {
|
|
{ 1, &hf_tcap_invoke , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_tcap_Invoke },
|
|
{ 2, &hf_tcap_returnResultLast, BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_tcap_ReturnResult },
|
|
{ 3, &hf_tcap_returnError , BER_CLASS_CON, 3, BER_FLAGS_IMPLTAG, dissect_tcap_ReturnError },
|
|
{ 4, &hf_tcap_reject , BER_CLASS_CON, 4, BER_FLAGS_IMPLTAG, dissect_tcap_Reject },
|
|
{ 7, &hf_tcap_returnResultNotLast, BER_CLASS_CON, 7, BER_FLAGS_IMPLTAG, dissect_tcap_ReturnResult },
|
|
{ 0, NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_Component(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 82 "./asn1/tcap/tcap.cnf"
|
|
tvbuff_t *next_tvb;
|
|
gint8 ber_class;
|
|
gboolean pc;
|
|
gint tag;
|
|
guint32 len, comp_offset;
|
|
volatile guint32 _offset;
|
|
gint ind_field;
|
|
|
|
comp_offset = dissect_ber_identifier(actx->pinfo, tree, tvb, offset, &ber_class, &pc, &tag);
|
|
comp_offset = dissect_ber_length(actx->pinfo, tree, tvb, comp_offset, &len, &ind_field);
|
|
/* we can believe the length now */
|
|
next_tvb = tvb_new_subset_length(tvb, offset, len+comp_offset-offset);
|
|
|
|
if (!next_tvb)
|
|
return comp_offset;
|
|
|
|
_offset = offset;
|
|
TRY {
|
|
_offset = dissect_ber_choice(actx, tree, tvb, _offset,
|
|
Component_choice, hf_index, ett_tcap_Component,
|
|
NULL);
|
|
}
|
|
CATCH_NONFATAL_ERRORS {
|
|
show_exception(tvb, actx->pinfo, tree, EXCEPT_CODE, GET_MESSAGE);
|
|
}
|
|
ENDTRY;
|
|
offset = _offset;
|
|
|
|
dissect_tcap_ITU_ComponentPDU(implicit_tag, next_tvb, 0, actx, tcap_top_tree, hf_index);
|
|
|
|
/* return comp_offset+len; or return offset (will be automatically added) */
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t SEQUENCE_SIZE_1_MAX_OF_Component_sequence_of[1] = {
|
|
{ &hf_tcap__untag_item , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_tcap_Component },
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_SEQUENCE_SIZE_1_MAX_OF_Component(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset,
|
|
SEQUENCE_SIZE_1_MAX_OF_Component_sequence_of, hf_index, ett_tcap_SEQUENCE_SIZE_1_MAX_OF_Component);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_ComponentPortion(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset,
|
|
hf_index, BER_CLASS_APP, 12, TRUE, dissect_tcap_SEQUENCE_SIZE_1_MAX_OF_Component);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t Unidirectional_sequence[] = {
|
|
{ &hf_tcap_dialoguePortion, BER_CLASS_APP, 11, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_tcap_DialoguePortion },
|
|
{ &hf_tcap_components , BER_CLASS_APP, 12, BER_FLAGS_NOOWNTAG, dissect_tcap_ComponentPortion },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_Unidirectional(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
Unidirectional_sequence, hf_index, ett_tcap_Unidirectional);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_OCTET_STRING_SIZE_1_4(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_OrigTransactionID(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 131 "./asn1/tcap/tcap.cnf"
|
|
tvbuff_t *parameter_tvb;
|
|
guint8 len, i;
|
|
proto_tree *subtree;
|
|
int saved_offset;
|
|
|
|
hf_index = hf_tcap_tid;
|
|
saved_offset = offset;
|
|
offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset,
|
|
hf_index, BER_CLASS_APP, 8, TRUE, dissect_tcap_OCTET_STRING_SIZE_1_4);
|
|
|
|
PROTO_ITEM_SET_HIDDEN(actx->created_item);
|
|
offset = saved_offset;
|
|
|
|
subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_otid, NULL, "Source Transaction ID");
|
|
offset = dissect_ber_octet_string(implicit_tag, actx, subtree, tvb, offset, hf_tcap_otid,
|
|
¶meter_tvb);
|
|
|
|
if (parameter_tvb) {
|
|
len = tvb_reported_length_remaining(parameter_tvb, 0);
|
|
switch(len) {
|
|
case 1:
|
|
gp_tcapsrt_info->src_tid=tvb_get_guint8(parameter_tvb, 0);
|
|
break;
|
|
case 2:
|
|
gp_tcapsrt_info->src_tid=tvb_get_ntohs(parameter_tvb, 0);
|
|
break;
|
|
case 4:
|
|
gp_tcapsrt_info->src_tid=tvb_get_ntohl(parameter_tvb, 0);
|
|
break;
|
|
default:
|
|
gp_tcapsrt_info->src_tid=0;
|
|
break;
|
|
}
|
|
|
|
if (len) {
|
|
col_append_str(actx->pinfo->cinfo, COL_INFO, "otid(");
|
|
for (i = 0; i < len; i++) {
|
|
col_append_fstr(actx->pinfo->cinfo, COL_INFO, "%02x",tvb_get_guint8(parameter_tvb,i));
|
|
}
|
|
col_append_str(actx->pinfo->cinfo, COL_INFO, ") ");
|
|
}
|
|
}
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t Begin_sequence[] = {
|
|
{ &hf_tcap_otid , BER_CLASS_APP, 8, BER_FLAGS_NOOWNTAG, dissect_tcap_OrigTransactionID },
|
|
{ &hf_tcap_dialoguePortion, BER_CLASS_APP, 11, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_tcap_DialoguePortion },
|
|
{ &hf_tcap_components , BER_CLASS_APP, 12, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_tcap_ComponentPortion },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_Begin(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 215 "./asn1/tcap/tcap.cnf"
|
|
gp_tcapsrt_info->ope=TC_BEGIN;
|
|
|
|
/* Do not change col_add_str() to col_append_str() here: we _want_ this call
|
|
* to overwrite whatever's currently in the INFO column (e.g., "UDT" from
|
|
* the SCCP dissector).
|
|
*
|
|
* If there's something there that should not be overwritten, whoever
|
|
* put that info there should call col_set_fence() to protect it.
|
|
*/
|
|
col_set_str(actx->pinfo->cinfo, COL_INFO, "Begin ");
|
|
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
Begin_sequence, hf_index, ett_tcap_Begin);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_DestTransactionID(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 174 "./asn1/tcap/tcap.cnf"
|
|
tvbuff_t *parameter_tvb;
|
|
guint8 len , i;
|
|
proto_tree *subtree;
|
|
int saved_offset;
|
|
|
|
hf_index = hf_tcap_tid;
|
|
saved_offset = offset;
|
|
offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset,
|
|
hf_index, BER_CLASS_APP, 9, TRUE, dissect_tcap_OCTET_STRING_SIZE_1_4);
|
|
|
|
PROTO_ITEM_SET_HIDDEN(actx->created_item);
|
|
offset = saved_offset;
|
|
|
|
subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_dtid, NULL, "Destination Transaction ID");
|
|
offset = dissect_ber_octet_string(implicit_tag, actx, subtree, tvb, offset, hf_tcap_dtid,
|
|
¶meter_tvb);
|
|
|
|
if (parameter_tvb) {
|
|
len = tvb_reported_length_remaining(parameter_tvb, 0);
|
|
switch(len) {
|
|
case 1:
|
|
gp_tcapsrt_info->dst_tid=tvb_get_guint8(parameter_tvb, 0);
|
|
break;
|
|
case 2:
|
|
gp_tcapsrt_info->dst_tid=tvb_get_ntohs(parameter_tvb, 0);
|
|
break;
|
|
case 4:
|
|
gp_tcapsrt_info->dst_tid=tvb_get_ntohl(parameter_tvb, 0);
|
|
break;
|
|
default:
|
|
gp_tcapsrt_info->dst_tid=0;
|
|
break;
|
|
}
|
|
|
|
if (len) {
|
|
col_append_str(actx->pinfo->cinfo, COL_INFO, "dtid(");
|
|
for(i = 0; i < len; i++) {
|
|
col_append_fstr(actx->pinfo->cinfo, COL_INFO, "%02x",tvb_get_guint8(parameter_tvb,i));
|
|
}
|
|
col_append_str(actx->pinfo->cinfo, COL_INFO, ") ");
|
|
}
|
|
}
|
|
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t End_sequence[] = {
|
|
{ &hf_tcap_dtid , BER_CLASS_APP, 9, BER_FLAGS_NOOWNTAG, dissect_tcap_DestTransactionID },
|
|
{ &hf_tcap_dialoguePortion, BER_CLASS_APP, 11, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_tcap_DialoguePortion },
|
|
{ &hf_tcap_components , BER_CLASS_APP, 12, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_tcap_ComponentPortion },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_End(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 229 "./asn1/tcap/tcap.cnf"
|
|
gp_tcapsrt_info->ope=TC_END;
|
|
|
|
col_set_str(actx->pinfo->cinfo, COL_INFO, "End ");
|
|
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
End_sequence, hf_index, ett_tcap_End);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t Continue_sequence[] = {
|
|
{ &hf_tcap_otid , BER_CLASS_APP, 8, BER_FLAGS_NOOWNTAG, dissect_tcap_OrigTransactionID },
|
|
{ &hf_tcap_dtid , BER_CLASS_APP, 9, BER_FLAGS_NOOWNTAG, dissect_tcap_DestTransactionID },
|
|
{ &hf_tcap_dialoguePortion, BER_CLASS_APP, 11, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_tcap_DialoguePortion },
|
|
{ &hf_tcap_components , BER_CLASS_APP, 12, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_tcap_ComponentPortion },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_Continue(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 236 "./asn1/tcap/tcap.cnf"
|
|
gp_tcapsrt_info->ope=TC_CONT;
|
|
|
|
col_set_str(actx->pinfo->cinfo, COL_INFO, "Continue ");
|
|
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
Continue_sequence, hf_index, ett_tcap_Continue);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_P_AbortCause_U_vals[] = {
|
|
{ 0, "unrecognizedMessageType" },
|
|
{ 1, "unrecognizedTransactionID" },
|
|
{ 2, "badlyFormattedTransactionPortion" },
|
|
{ 3, "incorrectTransactionPortion" },
|
|
{ 4, "resourceLimitation" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_tcap_P_AbortCause_U(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_P_AbortCause(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset,
|
|
hf_index, BER_CLASS_APP, 10, TRUE, dissect_tcap_P_AbortCause_U);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_Reason_vals[] = {
|
|
{ 10, "p-abortCause" },
|
|
{ 11, "u-abortCause" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t Reason_choice[] = {
|
|
{ 10, &hf_tcap_p_abortCause , BER_CLASS_APP, 10, BER_FLAGS_NOOWNTAG, dissect_tcap_P_AbortCause },
|
|
{ 11, &hf_tcap_u_abortCause , BER_CLASS_APP, 11, BER_FLAGS_NOOWNTAG, dissect_tcap_DialoguePortion },
|
|
{ 0, NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_Reason(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_choice(actx, tree, tvb, offset,
|
|
Reason_choice, hf_index, ett_tcap_Reason,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t Abort_sequence[] = {
|
|
{ &hf_tcap_dtid , BER_CLASS_APP, 9, BER_FLAGS_NOOWNTAG, dissect_tcap_DestTransactionID },
|
|
{ &hf_tcap_reason , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_tcap_Reason },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_Abort(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 243 "./asn1/tcap/tcap.cnf"
|
|
gp_tcapsrt_info->ope=TC_ABORT;
|
|
|
|
col_set_str(actx->pinfo->cinfo, COL_INFO, "Abort ");
|
|
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
Abort_sequence, hf_index, ett_tcap_Abort);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_choice_t TCMessage_choice[] = {
|
|
{ 1, &hf_tcap_unidirectional , BER_CLASS_APP, 1, BER_FLAGS_IMPLTAG, dissect_tcap_Unidirectional },
|
|
{ 2, &hf_tcap_begin , BER_CLASS_APP, 2, BER_FLAGS_IMPLTAG, dissect_tcap_Begin },
|
|
{ 4, &hf_tcap_end , BER_CLASS_APP, 4, BER_FLAGS_IMPLTAG, dissect_tcap_End },
|
|
{ 5, &hf_tcap_continue , BER_CLASS_APP, 5, BER_FLAGS_IMPLTAG, dissect_tcap_Continue },
|
|
{ 7, &hf_tcap_abort , BER_CLASS_APP, 7, BER_FLAGS_IMPLTAG, dissect_tcap_Abort },
|
|
{ 0, NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_TCMessage(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_choice(actx, tree, tvb, offset,
|
|
TCMessage_choice, hf_index, ett_tcap_TCMessage,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const asn_namedbit AUDT_protocol_version_bits[] = {
|
|
{ 0, &hf_tcap_AUDT_protocol_version_version1, -1, -1, "version1", NULL },
|
|
{ 0, NULL, 0, 0, NULL, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_AUDT_protocol_version(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_bitstring(implicit_tag, actx, tree, tvb, offset,
|
|
AUDT_protocol_version_bits, hf_index, ett_tcap_AUDT_protocol_version,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_AUDT_application_context_name(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 116 "./asn1/tcap/tcap.cnf"
|
|
offset = dissect_ber_object_identifier_str(implicit_tag, actx, tree, tvb, offset, hf_index, &cur_oid);
|
|
|
|
tcap_private.oid= (const void*) cur_oid;
|
|
tcap_private.acv=TRUE;
|
|
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_EXTERNAL(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_external_type(implicit_tag, tree, tvb, offset, actx, hf_index, NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t AUDT_user_information_sequence_of[1] = {
|
|
{ &hf_tcap_audt_user_information_item, BER_CLASS_UNI, BER_UNI_TAG_EXTERNAL, BER_FLAGS_NOOWNTAG, dissect_tcap_EXTERNAL },
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_AUDT_user_information(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset,
|
|
AUDT_user_information_sequence_of, hf_index, ett_tcap_AUDT_user_information);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t AUDT_apdu_U_sequence[] = {
|
|
{ &hf_tcap_audt_protocol_version, BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_tcap_AUDT_protocol_version },
|
|
{ &hf_tcap_audt_application_context_name, BER_CLASS_CON, 1, 0, dissect_tcap_AUDT_application_context_name },
|
|
{ &hf_tcap_audt_user_information, BER_CLASS_CON, 30, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_tcap_AUDT_user_information },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_AUDT_apdu_U(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
AUDT_apdu_U_sequence, hf_index, ett_tcap_AUDT_apdu_U);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_AUDT_apdu(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset,
|
|
hf_index, BER_CLASS_APP, 0, TRUE, dissect_tcap_AUDT_apdu_U);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
const value_string tcap_UniDialoguePDU_vals[] = {
|
|
{ 0, "unidialoguePDU" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t UniDialoguePDU_choice[] = {
|
|
{ 0, &hf_tcap_unidialoguePDU , BER_CLASS_APP, 0, BER_FLAGS_NOOWNTAG, dissect_tcap_AUDT_apdu },
|
|
{ 0, NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
int
|
|
dissect_tcap_UniDialoguePDU(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_choice(actx, tree, tvb, offset,
|
|
UniDialoguePDU_choice, hf_index, ett_tcap_UniDialoguePDU,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const asn_namedbit AARQ_protocol_version_bits[] = {
|
|
{ 0, &hf_tcap_AARQ_protocol_version_version1, -1, -1, "version1", NULL },
|
|
{ 0, NULL, 0, 0, NULL, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_AARQ_protocol_version(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_bitstring(implicit_tag, actx, tree, tvb, offset,
|
|
AARQ_protocol_version_bits, hf_index, ett_tcap_AARQ_protocol_version,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_AARQ_application_context_name(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 121 "./asn1/tcap/tcap.cnf"
|
|
offset = dissect_ber_object_identifier_str(implicit_tag, actx, tree, tvb, offset, hf_index, &cur_oid);
|
|
|
|
tcap_private.oid= (const void*) cur_oid;
|
|
tcap_private.acv=TRUE;
|
|
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t AARQ_user_information_sequence_of[1] = {
|
|
{ &hf_tcap_aarq_user_information_item, BER_CLASS_UNI, BER_UNI_TAG_EXTERNAL, BER_FLAGS_NOOWNTAG, dissect_tcap_EXTERNAL },
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_AARQ_user_information(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset,
|
|
AARQ_user_information_sequence_of, hf_index, ett_tcap_AARQ_user_information);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t AARQ_apdu_U_sequence[] = {
|
|
{ &hf_tcap_aarq_protocol_version, BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_tcap_AARQ_protocol_version },
|
|
{ &hf_tcap_aarq_application_context_name, BER_CLASS_CON, 1, 0, dissect_tcap_AARQ_application_context_name },
|
|
{ &hf_tcap_aarq_user_information, BER_CLASS_CON, 30, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_tcap_AARQ_user_information },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_AARQ_apdu_U(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
AARQ_apdu_U_sequence, hf_index, ett_tcap_AARQ_apdu_U);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_AARQ_apdu(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset,
|
|
hf_index, BER_CLASS_APP, 0, TRUE, dissect_tcap_AARQ_apdu_U);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const asn_namedbit AARE_protocol_version_bits[] = {
|
|
{ 0, &hf_tcap_AARE_protocol_version_version1, -1, -1, "version1", NULL },
|
|
{ 0, NULL, 0, 0, NULL, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_AARE_protocol_version(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_bitstring(implicit_tag, actx, tree, tvb, offset,
|
|
AARE_protocol_version_bits, hf_index, ett_tcap_AARE_protocol_version,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_AARE_application_context_name(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 126 "./asn1/tcap/tcap.cnf"
|
|
offset = dissect_ber_object_identifier_str(implicit_tag, actx, tree, tvb, offset, hf_index, &cur_oid);
|
|
|
|
tcap_private.oid= (const void*) cur_oid;
|
|
tcap_private.acv=TRUE;
|
|
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_Associate_result_vals[] = {
|
|
{ 0, "accepted" },
|
|
{ 1, "reject-permanent" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_tcap_Associate_result(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_T_dialogue_service_user_vals[] = {
|
|
{ 0, "null" },
|
|
{ 1, "no-reason-given" },
|
|
{ 2, "application-context-name-not-supported" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_tcap_T_dialogue_service_user(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_T_dialogue_service_provider_vals[] = {
|
|
{ 0, "null" },
|
|
{ 1, "no-reason-given" },
|
|
{ 2, "no-common-dialogue-portion" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_tcap_T_dialogue_service_provider(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_Associate_source_diagnostic_vals[] = {
|
|
{ 1, "dialogue-service-user" },
|
|
{ 2, "dialogue-service-provider" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t Associate_source_diagnostic_choice[] = {
|
|
{ 1, &hf_tcap_dialogue_service_user, BER_CLASS_CON, 1, 0, dissect_tcap_T_dialogue_service_user },
|
|
{ 2, &hf_tcap_dialogue_service_provider, BER_CLASS_CON, 2, 0, dissect_tcap_T_dialogue_service_provider },
|
|
{ 0, NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_Associate_source_diagnostic(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_choice(actx, tree, tvb, offset,
|
|
Associate_source_diagnostic_choice, hf_index, ett_tcap_Associate_source_diagnostic,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t AARE_user_information_sequence_of[1] = {
|
|
{ &hf_tcap_aare_user_information_item, BER_CLASS_UNI, BER_UNI_TAG_EXTERNAL, BER_FLAGS_NOOWNTAG, dissect_tcap_EXTERNAL },
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_AARE_user_information(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset,
|
|
AARE_user_information_sequence_of, hf_index, ett_tcap_AARE_user_information);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t AARE_apdu_U_sequence[] = {
|
|
{ &hf_tcap_aare_protocol_version, BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_tcap_AARE_protocol_version },
|
|
{ &hf_tcap_aare_application_context_name, BER_CLASS_CON, 1, 0, dissect_tcap_AARE_application_context_name },
|
|
{ &hf_tcap_result , BER_CLASS_CON, 2, 0, dissect_tcap_Associate_result },
|
|
{ &hf_tcap_result_source_diagnostic, BER_CLASS_CON, 3, BER_FLAGS_NOTCHKTAG, dissect_tcap_Associate_source_diagnostic },
|
|
{ &hf_tcap_aare_user_information, BER_CLASS_CON, 30, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_tcap_AARE_user_information },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_AARE_apdu_U(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
AARE_apdu_U_sequence, hf_index, ett_tcap_AARE_apdu_U);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_AARE_apdu(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset,
|
|
hf_index, BER_CLASS_APP, 1, TRUE, dissect_tcap_AARE_apdu_U);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string tcap_ABRT_source_vals[] = {
|
|
{ 0, "dialogue-service-user" },
|
|
{ 1, "dialogue-service-provider" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_tcap_ABRT_source(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t ABRT_user_information_sequence_of[1] = {
|
|
{ &hf_tcap_abrt_user_information_item, BER_CLASS_UNI, BER_UNI_TAG_EXTERNAL, BER_FLAGS_NOOWNTAG, dissect_tcap_EXTERNAL },
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_ABRT_user_information(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset,
|
|
ABRT_user_information_sequence_of, hf_index, ett_tcap_ABRT_user_information);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t ABRT_apdu_U_sequence[] = {
|
|
{ &hf_tcap_abort_source , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_tcap_ABRT_source },
|
|
{ &hf_tcap_abrt_user_information, BER_CLASS_CON, 30, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_tcap_ABRT_user_information },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap_ABRT_apdu_U(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
|
|
ABRT_apdu_U_sequence, hf_index, ett_tcap_ABRT_apdu_U);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_tcap_ABRT_apdu(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset,
|
|
hf_index, BER_CLASS_APP, 4, TRUE, dissect_tcap_ABRT_apdu_U);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
const value_string tcap_DialoguePDU_vals[] = {
|
|
{ 0, "dialogueRequest" },
|
|
{ 1, "dialogueResponse" },
|
|
{ 4, "dialogueAbort" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t DialoguePDU_choice[] = {
|
|
{ 0, &hf_tcap_dialogueRequest, BER_CLASS_APP, 0, BER_FLAGS_NOOWNTAG, dissect_tcap_AARQ_apdu },
|
|
{ 1, &hf_tcap_dialogueResponse, BER_CLASS_APP, 1, BER_FLAGS_NOOWNTAG, dissect_tcap_AARE_apdu },
|
|
{ 4, &hf_tcap_dialogueAbort , BER_CLASS_APP, 4, BER_FLAGS_NOOWNTAG, dissect_tcap_ABRT_apdu },
|
|
{ 0, NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
int
|
|
dissect_tcap_DialoguePDU(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_choice(actx, tree, tvb, offset,
|
|
DialoguePDU_choice, hf_index, ett_tcap_DialoguePDU,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
/*--- PDUs ---*/
|
|
|
|
static int dissect_UniDialoguePDU_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
|
|
int offset = 0;
|
|
asn1_ctx_t asn1_ctx;
|
|
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
|
|
offset = dissect_tcap_UniDialoguePDU(FALSE, tvb, offset, &asn1_ctx, tree, hf_tcap_UniDialoguePDU_PDU);
|
|
return offset;
|
|
}
|
|
static int dissect_DialoguePDU_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
|
|
int offset = 0;
|
|
asn1_ctx_t asn1_ctx;
|
|
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
|
|
offset = dissect_tcap_DialoguePDU(FALSE, tvb, offset, &asn1_ctx, tree, hf_tcap_DialoguePDU_PDU);
|
|
return offset;
|
|
}
|
|
|
|
|
|
/*--- End of included file: packet-tcap-fn.c ---*/
|
|
#line 157 "./asn1/tcap/packet-tcap-template.c"
|
|
|
|
/*
|
|
* DEBUG functions
|
|
*/
|
|
#undef DEBUG_TCAPSRT
|
|
/* #define DEBUG_TCAPSRT */
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
static guint debug_level = 99;
|
|
|
|
static void
|
|
dbg(guint level, const char* fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
if (level > debug_level) return;
|
|
va_start(ap,fmt);
|
|
vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
#endif
|
|
|
|
static gint
|
|
tcaphash_context_equal(gconstpointer k1, gconstpointer k2)
|
|
{
|
|
const struct tcaphash_context_key_t *key1 = (const struct tcaphash_context_key_t *) k1;
|
|
const struct tcaphash_context_key_t *key2 = (const struct tcaphash_context_key_t *) k2;
|
|
|
|
return (key1->session_id == key2->session_id);
|
|
}
|
|
|
|
/* calculate a hash key */
|
|
static guint
|
|
tcaphash_context_calchash(gconstpointer k)
|
|
{
|
|
const struct tcaphash_context_key_t *key = (const struct tcaphash_context_key_t *) k;
|
|
return key->session_id;
|
|
}
|
|
|
|
|
|
static gint
|
|
tcaphash_begin_equal(gconstpointer k1, gconstpointer k2)
|
|
{
|
|
const struct tcaphash_begin_info_key_t *key1 = (const struct tcaphash_begin_info_key_t *) k1;
|
|
const struct tcaphash_begin_info_key_t *key2 = (const struct tcaphash_begin_info_key_t *) k2;
|
|
|
|
if (key1->hashKey == key2->hashKey) {
|
|
if ( (key1->pc_hash == key2->pc_hash) && (key1->tid == key2->tid) )
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/* calculate a hash key */
|
|
static guint
|
|
tcaphash_begin_calchash(gconstpointer k)
|
|
{
|
|
const struct tcaphash_begin_info_key_t *key = (const struct tcaphash_begin_info_key_t *) k;
|
|
guint hashkey;
|
|
/* hashkey = key->opc_hash<<16 + key->dpc_hash<<8 + key->src_tid; */
|
|
hashkey = key->tid;
|
|
return hashkey;
|
|
}
|
|
|
|
static gint
|
|
tcaphash_cont_equal(gconstpointer k1, gconstpointer k2)
|
|
{
|
|
const struct tcaphash_cont_info_key_t *key1 = (const struct tcaphash_cont_info_key_t *) k1;
|
|
const struct tcaphash_cont_info_key_t *key2 = (const struct tcaphash_cont_info_key_t *) k2;
|
|
|
|
if (key1->hashKey == key2->hashKey) {
|
|
|
|
if ( (key1->opc_hash == key2->opc_hash) &&
|
|
(key1->dpc_hash == key2->dpc_hash) &&
|
|
(key1->src_tid == key2->src_tid) &&
|
|
(key1->dst_tid == key2->dst_tid) ) {
|
|
return TRUE;
|
|
}
|
|
else if ( (key1->opc_hash == key2->dpc_hash) &&
|
|
(key1->dpc_hash == key2->opc_hash) &&
|
|
(key1->src_tid == key2->dst_tid) &&
|
|
(key1->dst_tid == key2->src_tid) ) {
|
|
return TRUE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/* calculate a hash key */
|
|
static guint
|
|
tcaphash_cont_calchash(gconstpointer k)
|
|
{
|
|
const struct tcaphash_cont_info_key_t *key = (const struct tcaphash_cont_info_key_t *) k;
|
|
guint hashkey;
|
|
hashkey = key->src_tid + key->dst_tid;
|
|
return hashkey;
|
|
}
|
|
|
|
|
|
static gint
|
|
tcaphash_end_equal(gconstpointer k1, gconstpointer k2)
|
|
{
|
|
const struct tcaphash_end_info_key_t *key1 = (const struct tcaphash_end_info_key_t *) k1;
|
|
const struct tcaphash_end_info_key_t *key2 = (const struct tcaphash_end_info_key_t *) k2;
|
|
|
|
if (key1->hashKey == key2->hashKey) {
|
|
if ( (key1->pc_hash == key2->pc_hash) && (key1->tid == key2->tid) )
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/* calculate a hash key */
|
|
static guint
|
|
tcaphash_end_calchash(gconstpointer k)
|
|
{
|
|
const struct tcaphash_end_info_key_t *key = (const struct tcaphash_end_info_key_t *) k;
|
|
guint hashkey;
|
|
hashkey = key->tid;
|
|
return hashkey;
|
|
}
|
|
|
|
static gint
|
|
tcaphash_ansi_equal(gconstpointer k1, gconstpointer k2)
|
|
{
|
|
const struct tcaphash_ansi_info_key_t *key1 = (const struct tcaphash_ansi_info_key_t *) k1;
|
|
const struct tcaphash_ansi_info_key_t *key2 = (const struct tcaphash_ansi_info_key_t *) k2;
|
|
|
|
if (key1->hashKey == key2->hashKey) {
|
|
|
|
if ( ( (key1->opc_hash == key2->opc_hash) &&
|
|
(key1->dpc_hash == key2->dpc_hash) &&
|
|
(key1->tid == key2->tid) )
|
|
||
|
|
( (key1->opc_hash == key2->dpc_hash) &&
|
|
(key1->dpc_hash == key2->opc_hash) &&
|
|
(key1->tid == key2->tid) )
|
|
)
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/* calculate a hash key */
|
|
static guint
|
|
tcaphash_ansi_calchash(gconstpointer k)
|
|
{
|
|
const struct tcaphash_ansi_info_key_t *key = (const struct tcaphash_ansi_info_key_t *) k;
|
|
guint hashkey;
|
|
/* hashkey = key->opc_hash<<16 + key->dpc_hash<<8 + key->src_tid; */
|
|
hashkey = key->tid;
|
|
return hashkey;
|
|
}
|
|
|
|
/*
|
|
* Update a record with the data of the Request
|
|
*/
|
|
static void
|
|
update_tcaphash_begincall(struct tcaphash_begincall_t *p_tcaphash_begincall,
|
|
packet_info *pinfo)
|
|
{
|
|
p_tcaphash_begincall->context->first_frame = pinfo->num;
|
|
p_tcaphash_begincall->context->last_frame = 0;
|
|
p_tcaphash_begincall->context->responded = FALSE;
|
|
p_tcaphash_begincall->context->begin_time = pinfo->abs_ts;
|
|
}
|
|
|
|
/*
|
|
* Append a new dialogue, using the same Key, to the chained list
|
|
* The time is stored too
|
|
*/
|
|
static struct tcaphash_begincall_t *
|
|
append_tcaphash_begincall(struct tcaphash_begincall_t *prev_begincall,
|
|
struct tcaphash_context_t *p_tcaphash_context,
|
|
packet_info *pinfo)
|
|
{
|
|
struct tcaphash_begincall_t *p_new_tcaphash_begincall = NULL;
|
|
|
|
/* Append the transaction to the list, when the same key is found
|
|
This should append when the tcap-transaction Id is reused */
|
|
|
|
p_new_tcaphash_begincall = wmem_new0(wmem_file_scope(), struct tcaphash_begincall_t);
|
|
p_new_tcaphash_begincall->context=p_tcaphash_context;
|
|
p_tcaphash_context->begincall=p_new_tcaphash_begincall;
|
|
p_new_tcaphash_begincall->beginkey=prev_begincall->beginkey;
|
|
p_new_tcaphash_begincall->context->first_frame = pinfo->num;
|
|
p_new_tcaphash_begincall->next_begincall=NULL;
|
|
p_new_tcaphash_begincall->previous_begincall=prev_begincall;
|
|
p_new_tcaphash_begincall->father=FALSE;
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"+B%d ", p_new_tcaphash_begincall->context->session_id);
|
|
#endif
|
|
/* Insert in the chained list */
|
|
prev_begincall->next_begincall = p_new_tcaphash_begincall;
|
|
if (prev_begincall->context->last_frame == 0) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"last ");
|
|
#endif
|
|
prev_begincall->context->last_frame = pinfo->num-1;
|
|
}
|
|
return p_new_tcaphash_begincall;
|
|
}
|
|
|
|
/*
|
|
* Update a record with the data of the Request
|
|
*/
|
|
static void
|
|
update_tcaphash_ansicall(struct tcaphash_ansicall_t *p_tcaphash_ansicall,
|
|
packet_info *pinfo)
|
|
{
|
|
p_tcaphash_ansicall->context->first_frame = pinfo->num;
|
|
p_tcaphash_ansicall->context->last_frame = 0;
|
|
p_tcaphash_ansicall->context->responded = FALSE;
|
|
p_tcaphash_ansicall->context->begin_time = pinfo->abs_ts;
|
|
}
|
|
|
|
/*
|
|
* Append a new dialogue, using the same Key, to the chained list
|
|
* The time is stored too
|
|
*/
|
|
static struct tcaphash_ansicall_t *
|
|
append_tcaphash_ansicall(struct tcaphash_ansicall_t *prev_ansicall,
|
|
struct tcaphash_context_t *p_tcaphash_context,
|
|
packet_info *pinfo)
|
|
{
|
|
struct tcaphash_ansicall_t *p_new_tcaphash_ansicall = NULL;
|
|
|
|
/* Append the transaction to the list, when the same key is found
|
|
This should append when the tcap-transaction Id is reused */
|
|
|
|
p_new_tcaphash_ansicall = wmem_new0(wmem_file_scope(), struct tcaphash_ansicall_t);
|
|
p_new_tcaphash_ansicall->context=p_tcaphash_context;
|
|
p_tcaphash_context->ansicall=p_new_tcaphash_ansicall;
|
|
p_new_tcaphash_ansicall->ansikey=prev_ansicall->ansikey;
|
|
p_new_tcaphash_ansicall->context->first_frame = pinfo->num;
|
|
p_new_tcaphash_ansicall->next_ansicall=NULL;
|
|
p_new_tcaphash_ansicall->previous_ansicall=prev_ansicall;
|
|
p_new_tcaphash_ansicall->father=FALSE;
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"+A%d ", p_new_tcaphash_ansicall->context->session_id);
|
|
#endif
|
|
/* Insert in the chained list */
|
|
prev_ansicall->next_ansicall = p_new_tcaphash_ansicall;
|
|
if (prev_ansicall->context->last_frame == 0) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"last ");
|
|
#endif
|
|
prev_ansicall->context->last_frame = pinfo->num-1;
|
|
}
|
|
return p_new_tcaphash_ansicall;
|
|
}
|
|
|
|
|
|
static struct tcaphash_contcall_t *
|
|
append_tcaphash_contcall(struct tcaphash_contcall_t *prev_contcall,
|
|
struct tcaphash_context_t *p_tcaphash_context)
|
|
{
|
|
struct tcaphash_contcall_t *p_new_tcaphash_contcall = NULL;
|
|
|
|
/* Append the transaction to the list, when the same key is found
|
|
This should append when the tcap-transaction Id is reused */
|
|
|
|
p_new_tcaphash_contcall = wmem_new0(wmem_file_scope(), struct tcaphash_contcall_t);
|
|
p_new_tcaphash_contcall->context=p_tcaphash_context;
|
|
p_tcaphash_context->contcall=p_new_tcaphash_contcall;
|
|
p_new_tcaphash_contcall->contkey=prev_contcall->contkey;
|
|
p_new_tcaphash_contcall->next_contcall=NULL;
|
|
p_new_tcaphash_contcall->previous_contcall=prev_contcall;
|
|
p_new_tcaphash_contcall->father=FALSE;
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"+C%d ", p_new_tcaphash_contcall->context->session_id);
|
|
#endif
|
|
/* Insert in the chained list */
|
|
prev_contcall->next_contcall = p_new_tcaphash_contcall;
|
|
return p_new_tcaphash_contcall;
|
|
}
|
|
|
|
|
|
static struct tcaphash_endcall_t *
|
|
append_tcaphash_endcall(struct tcaphash_endcall_t *prev_endcall,
|
|
struct tcaphash_context_t *p_tcaphash_context)
|
|
{
|
|
struct tcaphash_endcall_t *p_new_tcaphash_endcall = NULL;
|
|
|
|
/* Append the transaction to the list, when the same key is found
|
|
This should append when the tcap-transaction Id is reused */
|
|
|
|
p_new_tcaphash_endcall = wmem_new0(wmem_file_scope(), struct tcaphash_endcall_t);
|
|
p_new_tcaphash_endcall->context=p_tcaphash_context;
|
|
p_tcaphash_context->endcall=p_new_tcaphash_endcall;
|
|
p_new_tcaphash_endcall->endkey=prev_endcall->endkey;
|
|
p_new_tcaphash_endcall->next_endcall=NULL;
|
|
p_new_tcaphash_endcall->previous_endcall=prev_endcall;
|
|
p_new_tcaphash_endcall->father=FALSE;
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"+E%d ", p_new_tcaphash_endcall->context->session_id);
|
|
#endif
|
|
/* Insert in the chained list */
|
|
prev_endcall->next_endcall = p_new_tcaphash_endcall;
|
|
return p_new_tcaphash_endcall;
|
|
}
|
|
|
|
|
|
/*
|
|
* Find the dialog by Key and Time
|
|
*/
|
|
static struct tcaphash_begincall_t *
|
|
find_tcaphash_begin(struct tcaphash_begin_info_key_t *p_tcaphash_begin_key,
|
|
packet_info *pinfo, gboolean isBegin)
|
|
{
|
|
struct tcaphash_begincall_t *p_tcaphash_begincall = NULL;
|
|
p_tcaphash_begincall = (struct tcaphash_begincall_t *)g_hash_table_lookup(tcaphash_begin, p_tcaphash_begin_key);
|
|
|
|
if(p_tcaphash_begincall) {
|
|
do {
|
|
if ( p_tcaphash_begincall->context ) {
|
|
if ( ( isBegin &&
|
|
pinfo->num == p_tcaphash_begincall->context->first_frame )
|
|
||
|
|
( !isBegin &&
|
|
pinfo->num >= p_tcaphash_begincall->context->first_frame &&
|
|
( p_tcaphash_begincall->context->last_frame?pinfo->num <= p_tcaphash_begincall->context->last_frame:1 )
|
|
)
|
|
) {
|
|
/* We have a dialogue, with this key, opened before this request */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"B%d ", p_tcaphash_begincall->context->session_id);
|
|
#endif
|
|
return p_tcaphash_begincall;
|
|
}
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(60,"[B%d] ", p_tcaphash_begincall->context->session_id);
|
|
#endif
|
|
}
|
|
/* Break when list end is reached */
|
|
if(p_tcaphash_begincall->next_begincall == NULL) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(23,"End of Blist ");
|
|
#endif
|
|
break;
|
|
}
|
|
p_tcaphash_begincall = p_tcaphash_begincall->next_begincall;
|
|
} while (p_tcaphash_begincall != NULL) ;
|
|
} else {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(23,"Not in Bhash ");
|
|
#endif
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
|
|
static struct tcaphash_contcall_t *
|
|
find_tcaphash_cont(struct tcaphash_cont_info_key_t *p_tcaphash_cont_key,
|
|
packet_info *pinfo)
|
|
{
|
|
struct tcaphash_contcall_t *p_tcaphash_contcall = NULL;
|
|
p_tcaphash_contcall = (struct tcaphash_contcall_t *)g_hash_table_lookup(tcaphash_cont, p_tcaphash_cont_key);
|
|
|
|
if(p_tcaphash_contcall) {
|
|
do {
|
|
if ( p_tcaphash_contcall->context ) {
|
|
if (pinfo->num >= p_tcaphash_contcall->context->first_frame &&
|
|
(p_tcaphash_contcall->context->last_frame?pinfo->num <= p_tcaphash_contcall->context->last_frame:1) ) {
|
|
/* We have a dialogue, with this key, opened before this request */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"C%d ", p_tcaphash_contcall->context->session_id);
|
|
#endif
|
|
return p_tcaphash_contcall;
|
|
}
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(60,"[C%d] ", p_tcaphash_contcall->context->session_id);
|
|
#endif
|
|
}
|
|
/* Break when list end is reached */
|
|
if(p_tcaphash_contcall->next_contcall == NULL) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(23,"End of Clist ");
|
|
#endif
|
|
break;
|
|
}
|
|
p_tcaphash_contcall = p_tcaphash_contcall->next_contcall;
|
|
} while (p_tcaphash_contcall != NULL) ;
|
|
} else {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(23,"Not in Chash ");
|
|
#endif
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static struct tcaphash_endcall_t *
|
|
find_tcaphash_end(struct tcaphash_end_info_key_t *p_tcaphash_end_key,
|
|
packet_info *pinfo, gboolean isEnd)
|
|
{
|
|
struct tcaphash_endcall_t *p_tcaphash_endcall = NULL;
|
|
p_tcaphash_endcall = (struct tcaphash_endcall_t *)g_hash_table_lookup(tcaphash_end, p_tcaphash_end_key);
|
|
|
|
if(p_tcaphash_endcall) {
|
|
do {
|
|
if ( p_tcaphash_endcall->context ) {
|
|
if ( ( isEnd &&
|
|
(p_tcaphash_endcall->context->last_frame?pinfo->num == p_tcaphash_endcall->context->last_frame:1)
|
|
)
|
|
||
|
|
( !isEnd &&
|
|
pinfo->num >= p_tcaphash_endcall->context->first_frame &&
|
|
(p_tcaphash_endcall->context->last_frame?pinfo->num <= p_tcaphash_endcall->context->last_frame:1)
|
|
)
|
|
) {
|
|
/* We have a dialogue, with this key, opened before this request */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"E%d ", p_tcaphash_endcall->context->session_id);
|
|
#endif
|
|
return p_tcaphash_endcall;
|
|
}
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(60,"[E%d] ", p_tcaphash_endcall->context->session_id);
|
|
#endif
|
|
}
|
|
/* Break when list end is reached */
|
|
if(p_tcaphash_endcall->next_endcall == NULL) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(23,"End of Elist ");
|
|
#endif
|
|
break;
|
|
}
|
|
p_tcaphash_endcall = p_tcaphash_endcall->next_endcall;
|
|
} while (p_tcaphash_endcall != NULL) ;
|
|
} else {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(23,"Not in Ehash ");
|
|
#endif
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* New record to create, to identify a new transaction
|
|
*/
|
|
static struct tcaphash_context_t *
|
|
new_tcaphash_context(struct tcaphash_context_key_t *p_tcaphash_context_key,
|
|
packet_info *pinfo)
|
|
{
|
|
struct tcaphash_context_key_t *p_new_tcaphash_context_key;
|
|
struct tcaphash_context_t *p_new_tcaphash_context = NULL;
|
|
|
|
/* Register the transaction in the hash table
|
|
with the tcap transaction Id as Main Key
|
|
Once created, this entry will be updated later */
|
|
|
|
p_new_tcaphash_context_key = wmem_new(wmem_file_scope(), struct tcaphash_context_key_t);
|
|
p_new_tcaphash_context_key->session_id = p_tcaphash_context_key->session_id;
|
|
|
|
p_new_tcaphash_context = wmem_new0(wmem_file_scope(), struct tcaphash_context_t);
|
|
p_new_tcaphash_context->key = p_new_tcaphash_context_key;
|
|
p_new_tcaphash_context->session_id = p_tcaphash_context_key->session_id;
|
|
p_new_tcaphash_context->first_frame = pinfo->num;
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"S%d ", p_new_tcaphash_context->session_id);
|
|
#endif
|
|
/* store it */
|
|
g_hash_table_insert(tcaphash_context, p_new_tcaphash_context_key, p_new_tcaphash_context);
|
|
return p_new_tcaphash_context;
|
|
}
|
|
|
|
/*
|
|
* New record to create, to identify a new transaction
|
|
*/
|
|
static struct tcaphash_begincall_t *
|
|
new_tcaphash_begin(struct tcaphash_begin_info_key_t *p_tcaphash_begin_key,
|
|
struct tcaphash_context_t *p_tcaphash_context)
|
|
{
|
|
struct tcaphash_begin_info_key_t *p_new_tcaphash_begin_key;
|
|
struct tcaphash_begincall_t *p_new_tcaphash_begincall = NULL;
|
|
|
|
/* Register the transaction in the hash table
|
|
with the tcap transaction Id as Main Key
|
|
Once created, this entry will be updated later */
|
|
|
|
p_new_tcaphash_begin_key = wmem_new(wmem_file_scope(), struct tcaphash_begin_info_key_t);
|
|
p_new_tcaphash_begin_key->hashKey = p_tcaphash_begin_key->hashKey;
|
|
p_new_tcaphash_begin_key->tid = p_tcaphash_begin_key->tid;
|
|
p_new_tcaphash_begin_key->pc_hash = p_tcaphash_begin_key->pc_hash;
|
|
|
|
p_new_tcaphash_begincall = wmem_new0(wmem_file_scope(), struct tcaphash_begincall_t);
|
|
p_new_tcaphash_begincall->beginkey=p_new_tcaphash_begin_key;
|
|
p_new_tcaphash_begincall->context=p_tcaphash_context;
|
|
p_tcaphash_context->begincall=p_new_tcaphash_begincall;
|
|
p_new_tcaphash_begincall->father=TRUE;
|
|
p_new_tcaphash_begincall->next_begincall=NULL;
|
|
p_new_tcaphash_begincall->previous_begincall=NULL;
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"B%d ", p_new_tcaphash_begincall->context->session_id);
|
|
#endif
|
|
/* store it */
|
|
g_hash_table_insert(tcaphash_begin, p_new_tcaphash_begin_key, p_new_tcaphash_begincall);
|
|
return p_new_tcaphash_begincall;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* New record to create, to identify a new transaction
|
|
*/
|
|
static struct tcaphash_contcall_t *
|
|
new_tcaphash_cont(struct tcaphash_cont_info_key_t *p_tcaphash_cont_key,
|
|
struct tcaphash_context_t *p_tcaphash_context)
|
|
{
|
|
struct tcaphash_cont_info_key_t *p_new_tcaphash_cont_key;
|
|
struct tcaphash_contcall_t *p_new_tcaphash_contcall = NULL;
|
|
|
|
/* Register the transaction in the hash table
|
|
with the tcap transaction Id as Main Key
|
|
Once created, this entry will be updated later */
|
|
|
|
p_new_tcaphash_cont_key = wmem_new(wmem_file_scope(), struct tcaphash_cont_info_key_t);
|
|
p_new_tcaphash_cont_key->hashKey = p_tcaphash_cont_key->hashKey;
|
|
p_new_tcaphash_cont_key->src_tid = p_tcaphash_cont_key->src_tid;
|
|
p_new_tcaphash_cont_key->dst_tid = p_tcaphash_cont_key->dst_tid;
|
|
p_new_tcaphash_cont_key->opc_hash = p_tcaphash_cont_key->opc_hash;
|
|
p_new_tcaphash_cont_key->dpc_hash = p_tcaphash_cont_key->dpc_hash;
|
|
|
|
p_new_tcaphash_contcall = wmem_new0(wmem_file_scope(), struct tcaphash_contcall_t);
|
|
p_new_tcaphash_contcall->contkey=p_new_tcaphash_cont_key;
|
|
p_new_tcaphash_contcall->context=p_tcaphash_context;
|
|
p_tcaphash_context->contcall=p_new_tcaphash_contcall;
|
|
p_new_tcaphash_contcall->father=TRUE;
|
|
p_new_tcaphash_contcall->next_contcall=NULL;
|
|
p_new_tcaphash_contcall->previous_contcall=NULL;
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"C%d ", p_new_tcaphash_contcall->context->session_id);
|
|
#endif
|
|
/* store it */
|
|
g_hash_table_insert(tcaphash_cont, p_new_tcaphash_cont_key, p_new_tcaphash_contcall);
|
|
return p_new_tcaphash_contcall;
|
|
}
|
|
|
|
|
|
/*
|
|
* New record to create, to identify a new transaction
|
|
*/
|
|
static struct tcaphash_endcall_t *
|
|
new_tcaphash_end(struct tcaphash_end_info_key_t *p_tcaphash_end_key,
|
|
struct tcaphash_context_t *p_tcaphash_context)
|
|
{
|
|
struct tcaphash_end_info_key_t *p_new_tcaphash_end_key;
|
|
struct tcaphash_endcall_t *p_new_tcaphash_endcall = NULL;
|
|
|
|
/* Register the transaction in the hash table
|
|
with the tcap transaction Id as Main Key
|
|
Once created, this entry will be updated later */
|
|
|
|
p_new_tcaphash_end_key = wmem_new(wmem_file_scope(), struct tcaphash_end_info_key_t);
|
|
p_new_tcaphash_end_key->hashKey = p_tcaphash_end_key->hashKey;
|
|
p_new_tcaphash_end_key->tid = p_tcaphash_end_key->tid;
|
|
p_new_tcaphash_end_key->pc_hash = p_tcaphash_end_key->pc_hash;
|
|
|
|
p_new_tcaphash_endcall = wmem_new0(wmem_file_scope(), struct tcaphash_endcall_t);
|
|
p_new_tcaphash_endcall->endkey=p_new_tcaphash_end_key;
|
|
p_new_tcaphash_endcall->context=p_tcaphash_context;
|
|
p_tcaphash_context->endcall=p_new_tcaphash_endcall;
|
|
p_new_tcaphash_endcall->father=TRUE;
|
|
p_new_tcaphash_endcall->next_endcall=NULL;
|
|
p_new_tcaphash_endcall->previous_endcall=NULL;
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"E%d ", p_new_tcaphash_endcall->context->session_id);
|
|
#endif
|
|
/* store it */
|
|
g_hash_table_insert(tcaphash_end, p_new_tcaphash_end_key, p_new_tcaphash_endcall);
|
|
return p_new_tcaphash_endcall;
|
|
}
|
|
/*
|
|
* New record to create, to identify a new transaction
|
|
*/
|
|
static struct tcaphash_ansicall_t *
|
|
new_tcaphash_ansi(struct tcaphash_ansi_info_key_t *p_tcaphash_ansi_key,
|
|
struct tcaphash_context_t *p_tcaphash_context)
|
|
{
|
|
struct tcaphash_ansi_info_key_t *p_new_tcaphash_ansi_key;
|
|
struct tcaphash_ansicall_t *p_new_tcaphash_ansicall = NULL;
|
|
|
|
/* Register the transaction in the hash table
|
|
with the tcap transaction Id as Main Key
|
|
Once created, this entry will be updated later */
|
|
|
|
p_new_tcaphash_ansi_key = wmem_new(wmem_file_scope(), struct tcaphash_ansi_info_key_t);
|
|
p_new_tcaphash_ansi_key->hashKey = p_tcaphash_ansi_key->hashKey;
|
|
p_new_tcaphash_ansi_key->tid = p_tcaphash_ansi_key->tid;
|
|
p_new_tcaphash_ansi_key->opc_hash = p_tcaphash_ansi_key->opc_hash;
|
|
p_new_tcaphash_ansi_key->dpc_hash = p_tcaphash_ansi_key->dpc_hash;
|
|
|
|
p_new_tcaphash_ansicall = wmem_new0(wmem_file_scope(), struct tcaphash_ansicall_t);
|
|
p_new_tcaphash_ansicall->ansikey=p_new_tcaphash_ansi_key;
|
|
p_new_tcaphash_ansicall->context=p_tcaphash_context;
|
|
p_tcaphash_context->ansicall=p_new_tcaphash_ansicall;
|
|
p_new_tcaphash_ansicall->father=TRUE;
|
|
p_new_tcaphash_ansicall->next_ansicall=NULL;
|
|
p_new_tcaphash_ansicall->previous_ansicall=NULL;
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"A%d ", p_new_tcaphash_ansicall->context->session_id);
|
|
#endif
|
|
/* store it */
|
|
g_hash_table_insert(tcaphash_ansi, p_new_tcaphash_ansi_key, p_new_tcaphash_ansicall);
|
|
return p_new_tcaphash_ansicall;
|
|
}
|
|
|
|
static struct tcaphash_contcall_t *
|
|
create_tcaphash_cont(struct tcaphash_cont_info_key_t *p_tcaphash_cont_key,
|
|
struct tcaphash_context_t *p_tcaphash_context)
|
|
{
|
|
struct tcaphash_contcall_t *p_tcaphash_contcall1 = NULL;
|
|
struct tcaphash_contcall_t *p_tcaphash_contcall = NULL;
|
|
|
|
p_tcaphash_contcall1 = (struct tcaphash_contcall_t *)
|
|
g_hash_table_lookup(tcaphash_cont, p_tcaphash_cont_key);
|
|
|
|
if (p_tcaphash_contcall1) {
|
|
/* Walk through list of transaction with identical keys */
|
|
/* go the the end to insert new record */
|
|
do {
|
|
if (!p_tcaphash_contcall1->next_contcall) {
|
|
p_tcaphash_contcall=append_tcaphash_contcall(p_tcaphash_contcall1,
|
|
p_tcaphash_context);
|
|
break;
|
|
}
|
|
p_tcaphash_contcall1 = p_tcaphash_contcall1->next_contcall;
|
|
} while (p_tcaphash_contcall1 != NULL );
|
|
} else {
|
|
p_tcaphash_contcall = new_tcaphash_cont(p_tcaphash_cont_key,
|
|
p_tcaphash_context);
|
|
}
|
|
return p_tcaphash_contcall;
|
|
}
|
|
|
|
|
|
static struct tcaphash_endcall_t *
|
|
create_tcaphash_end(struct tcaphash_end_info_key_t *p_tcaphash_end_key,
|
|
struct tcaphash_context_t *p_tcaphash_context)
|
|
{
|
|
struct tcaphash_endcall_t *p_tcaphash_endcall1 = NULL;
|
|
struct tcaphash_endcall_t *p_tcaphash_endcall = NULL;
|
|
|
|
p_tcaphash_endcall1 = (struct tcaphash_endcall_t *)
|
|
g_hash_table_lookup(tcaphash_end, p_tcaphash_end_key);
|
|
|
|
if (p_tcaphash_endcall1) {
|
|
/* Walk through list of transaction with identical keys */
|
|
/* go the the end to insert new record */
|
|
do {
|
|
if (!p_tcaphash_endcall1->next_endcall) {
|
|
p_tcaphash_endcall=append_tcaphash_endcall(p_tcaphash_endcall1,
|
|
p_tcaphash_context);
|
|
break;
|
|
}
|
|
p_tcaphash_endcall1 = p_tcaphash_endcall1->next_endcall;
|
|
} while (p_tcaphash_endcall1 != NULL );
|
|
} else {
|
|
p_tcaphash_endcall = new_tcaphash_end(p_tcaphash_end_key,
|
|
p_tcaphash_context);
|
|
}
|
|
return p_tcaphash_endcall;
|
|
}
|
|
|
|
|
|
/*
|
|
* Routine called when the TAP is initialized.
|
|
* so hash table are (re)created
|
|
*/
|
|
void
|
|
tcapsrt_init_routine(void)
|
|
{
|
|
|
|
/* free hash-table for SRT */
|
|
if (tcaphash_context != NULL) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(16,"Destroy hash_context \n");
|
|
#endif
|
|
g_hash_table_destroy(tcaphash_context);
|
|
}
|
|
|
|
if (tcaphash_begin != NULL) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(16,"Destroy hash_begin \n");
|
|
#endif
|
|
g_hash_table_destroy(tcaphash_begin);
|
|
}
|
|
|
|
if (tcaphash_cont != NULL) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(16,"Destroy hash_cont \n");
|
|
#endif
|
|
g_hash_table_destroy(tcaphash_cont);
|
|
}
|
|
|
|
if (tcaphash_end != NULL) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(16,"Destroy hash_end \n");
|
|
#endif
|
|
g_hash_table_destroy(tcaphash_end);
|
|
}
|
|
|
|
if (tcaphash_ansi != NULL) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(16,"Destroy hash_ansi \n");
|
|
#endif
|
|
g_hash_table_destroy(tcaphash_ansi);
|
|
}
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(16,"Create hash \n");
|
|
#endif
|
|
/* create new hash-tables for SRT */
|
|
tcaphash_context = g_hash_table_new(tcaphash_context_calchash, tcaphash_context_equal);
|
|
tcaphash_begin = g_hash_table_new(tcaphash_begin_calchash, tcaphash_begin_equal);
|
|
tcaphash_cont = g_hash_table_new(tcaphash_cont_calchash, tcaphash_cont_equal);
|
|
tcaphash_end = g_hash_table_new(tcaphash_end_calchash, tcaphash_end_equal);
|
|
tcaphash_ansi = g_hash_table_new(tcaphash_ansi_calchash, tcaphash_ansi_equal);
|
|
|
|
/* Reset the session counter */
|
|
tcapsrt_global_SessionId=1;
|
|
|
|
/* Display of SRT only if Persistent Stat */
|
|
gtcap_DisplaySRT=gtcap_PersistentSRT || gtcap_HandleSRT>cap_StatSRT;
|
|
}
|
|
|
|
/*
|
|
* Create the record identifiying the TCAP transaction
|
|
* When the identifier for the transaction is reused, check
|
|
* the following criteria before to append a new record:
|
|
* - a timeout corresponding to a message retransmission is detected,
|
|
* - a message hast been lost
|
|
* - or the previous transaction has been be closed
|
|
*/
|
|
static struct tcaphash_context_t *
|
|
tcaphash_begin_matching(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
struct tcapsrt_info_t *p_tcapsrt_info)
|
|
{
|
|
struct tcaphash_context_t *p_tcaphash_context=NULL;
|
|
struct tcaphash_context_key_t tcaphash_context_key;
|
|
struct tcaphash_begincall_t *p_tcaphash_begincall, *p_new_tcaphash_begincall=NULL;
|
|
struct tcaphash_begin_info_key_t tcaphash_begin_key;
|
|
proto_item *pi;
|
|
proto_item *stat_item=NULL;
|
|
proto_tree *stat_tree=NULL;
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(51,"src %s srcTid %lx dst %s ", address_to_str(wmem_packet_scope(), &pinfo->src), p_tcapsrt_info->src_tid, address_to_str(wmem_packet_scope(), &pinfo->dst));
|
|
#endif
|
|
|
|
/* prepare the key data */
|
|
tcaphash_begin_key.tid = p_tcapsrt_info->src_tid;
|
|
if (pinfo->src.type == ss7pc_address_type && pinfo->dst.type == ss7pc_address_type)
|
|
{
|
|
/* We have MTP3 PCs (so we can safely do this cast) */
|
|
tcaphash_begin_key.pc_hash = mtp3_pc_hash((const mtp3_addr_pc_t *)pinfo->src.data);
|
|
} else {
|
|
/* Don't have MTP3 PCs (have SCCP GT ?) */
|
|
tcaphash_begin_key.pc_hash = g_str_hash(address_to_str(wmem_packet_scope(), &pinfo->src));
|
|
}
|
|
tcaphash_begin_key.hashKey=tcaphash_begin_calchash(&tcaphash_begin_key);
|
|
|
|
/* look up the request */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"\n Hbegin #%u ", pinfo->num);
|
|
dbg(11,"key %lx ",tcaphash_begin_key.hashKey);
|
|
dbg(51,"addr %s ", address_to_str(wmem_packet_scope(), &pinfo->src));
|
|
dbg(51,"Tid %lx \n",tcaphash_begin_key.tid);
|
|
#endif
|
|
|
|
p_tcaphash_begincall = (struct tcaphash_begincall_t *)
|
|
g_hash_table_lookup(tcaphash_begin, &tcaphash_begin_key);
|
|
|
|
if (p_tcaphash_begincall) {
|
|
/* Walk through list of transaction with identical keys */
|
|
do {
|
|
/* Check if the request with this reqSeqNum has been seen, with the same Message Type */
|
|
if (pinfo->num == p_tcaphash_begincall->context->first_frame) {
|
|
/* We have seen this request before -> do nothing */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(22,"Already seen ");
|
|
#endif
|
|
p_tcaphash_context=p_tcaphash_begincall->context;
|
|
break;
|
|
}
|
|
/* If the last record for Tcap transaction with identifier has not been reached */
|
|
if (!p_tcaphash_begincall->next_begincall) {
|
|
/* check if we have to create a new record or not */
|
|
/* if last request has been responded (response number is known)
|
|
and this request appears after last response (has bigger frame number)
|
|
and last request occurred after the timeout for repetition,
|
|
or
|
|
if last request hasn't been responded (so number unknown)
|
|
and this request appears after last request (has bigger frame number)
|
|
and this request occurred after the timeout for message lost */
|
|
if ( ( p_tcaphash_begincall->context->last_frame != 0
|
|
&& pinfo->num > p_tcaphash_begincall->context->first_frame
|
|
&& (guint) pinfo->abs_ts.secs > (guint)(p_tcaphash_begincall->context->begin_time.secs + gtcap_RepetitionTimeout)
|
|
) ||
|
|
( p_tcaphash_begincall->context->last_frame == 0
|
|
&& pinfo->num > p_tcaphash_begincall->context->first_frame
|
|
&& (guint)pinfo->abs_ts.secs > (guint)(p_tcaphash_begincall->context->begin_time.secs + gtcap_LostTimeout)
|
|
)
|
|
)
|
|
{
|
|
/* we decide that we have a new request */
|
|
/* Append new record to the list */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"(timeout) Append key %lx ",tcaphash_begin_key.hashKey);
|
|
dbg(12,"Frame %u rsp %u ",pinfo->num,p_tcaphash_begincall->context->last_frame );
|
|
#endif
|
|
tcaphash_context_key.session_id = tcapsrt_global_SessionId++;
|
|
p_tcaphash_context = new_tcaphash_context(&tcaphash_context_key, pinfo);
|
|
|
|
p_new_tcaphash_begincall = append_tcaphash_begincall(p_tcaphash_begincall,
|
|
p_tcaphash_context,
|
|
pinfo);
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"Update key %lx ",tcaphash_begin_key.hashKey);
|
|
#endif
|
|
update_tcaphash_begincall(p_new_tcaphash_begincall, pinfo);
|
|
} else { /* timeout or message lost */
|
|
|
|
/* If the Tid is reused for a closed Transaction */
|
|
/* Or if we received an TC_BEGIN for a Transaction marked as "closed" */
|
|
/* (this is the case, for pre-arranged END, the transaction is marked as closed */
|
|
/* by the upper layer, thank to a callback method close) */
|
|
if ( p_tcaphash_begincall->context->closed) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"(closed) Append key %lu ",tcaphash_begin_key.hashKey);
|
|
dbg(12,"Frame %u rsp %u ",pinfo->num,p_tcaphash_begincall->context->last_frame );
|
|
#endif
|
|
tcaphash_context_key.session_id = tcapsrt_global_SessionId++;
|
|
p_tcaphash_context = new_tcaphash_context(&tcaphash_context_key, pinfo);
|
|
p_new_tcaphash_begincall = append_tcaphash_begincall(p_tcaphash_begincall,
|
|
p_tcaphash_context,
|
|
pinfo);
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"Update key %lu ",tcaphash_begin_key.hashKey);
|
|
#endif
|
|
update_tcaphash_begincall(p_new_tcaphash_begincall, pinfo);
|
|
|
|
} else {
|
|
/* the TCAP session is not closed, so, either messages have been lost */
|
|
/* or it's a duplicate request. Mark it as such. */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(21,"Display_duplicate %d ",p_tcaphash_begincall->context->first_frame);
|
|
#endif
|
|
p_tcaphash_context=p_tcaphash_begincall->context;
|
|
if (gtcap_DisplaySRT && tree) {
|
|
stat_tree = proto_tree_add_subtree(tree, tvb, 0, -1, ett_tcap_stat, &stat_item, "Stat");
|
|
PROTO_ITEM_SET_GENERATED(stat_item);
|
|
pi = proto_tree_add_uint_format(stat_tree, hf_tcapsrt_Duplicate, tvb, 0, 0,
|
|
p_tcaphash_context->first_frame,
|
|
"Duplicate with session %u in frame %u",
|
|
p_tcaphash_context->session_id,p_tcaphash_context->first_frame);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
}
|
|
return p_tcaphash_context;
|
|
} /* Previous session closed */
|
|
} /* test with Timeout or message Lost */
|
|
break;
|
|
} /* Next call is NULL */
|
|
/* Repeat the tests for the next record with the same transaction identifier */
|
|
p_tcaphash_begincall = p_tcaphash_begincall->next_begincall;
|
|
} while (p_tcaphash_begincall != NULL );
|
|
/*
|
|
* End of analyze for the list be TC_BEGIN with same transaction ID
|
|
*/
|
|
} else { /* p_tcaphash_begincall has not been found */
|
|
/*
|
|
* Create a new TCAP context
|
|
*/
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"New key %lx ",tcaphash_begin_key.hashKey);
|
|
#endif
|
|
|
|
tcaphash_context_key.session_id = tcapsrt_global_SessionId++;
|
|
p_tcaphash_context = new_tcaphash_context(&tcaphash_context_key, pinfo);
|
|
p_tcaphash_begincall = new_tcaphash_begin(&tcaphash_begin_key, p_tcaphash_context);
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(11,"Update key %lx ",tcaphash_begin_key.hashKey);
|
|
dbg(11,"Frame reqlink #%u ", pinfo->num);
|
|
#endif
|
|
update_tcaphash_begincall(p_tcaphash_begincall, pinfo);
|
|
}
|
|
|
|
/* display tcap session, if available */
|
|
if ( gtcap_DisplaySRT && tree &&
|
|
p_tcaphash_context &&
|
|
p_tcaphash_context->session_id) {
|
|
stat_tree = proto_tree_add_subtree(tree, tvb, 0, 0, ett_tcap_stat, &stat_item, "Stat");
|
|
PROTO_ITEM_SET_GENERATED(stat_item);
|
|
pi = proto_tree_add_uint(stat_tree, hf_tcapsrt_SessionId, tvb, 0,0, p_tcaphash_context->session_id);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
|
|
/* add link to response frame, if available */
|
|
/* p_tcaphash_begincall->context->last_frame) */
|
|
if( p_tcaphash_context->last_frame != 0 ){
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"Display_frameRsplink %d ",p_tcaphash_context->last_frame);
|
|
#endif
|
|
pi = proto_tree_add_uint_format(stat_tree, hf_tcapsrt_BeginSession, tvb, 0, 0,
|
|
p_tcaphash_context->last_frame,
|
|
"End of session in frame %u",
|
|
p_tcaphash_context->last_frame);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
}
|
|
}
|
|
return p_tcaphash_context;
|
|
}
|
|
|
|
/*
|
|
* Try to find a TCAP session according to the source and destination
|
|
* Identifier given in the TC_CONT
|
|
* If nothing is found, it is probably a session in opening state, so try to find
|
|
* a tcap session registered with a TC_BEGIN "key", matching the destination Id of the TC_CONT
|
|
* Then associate the TC_CONT "key" to the TCAP context, and create a TC_END "key"
|
|
* and display the available info for the TCAP context
|
|
*/
|
|
static struct tcaphash_context_t *
|
|
tcaphash_cont_matching(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
struct tcapsrt_info_t *p_tcapsrt_info)
|
|
{
|
|
struct tcaphash_context_t *p_tcaphash_context=NULL;
|
|
struct tcaphash_contcall_t *p_tcaphash_contcall;
|
|
struct tcaphash_cont_info_key_t tcaphash_cont_key;
|
|
struct tcaphash_begin_info_key_t tcaphash_begin_key;
|
|
struct tcaphash_begincall_t *p_tcaphash_begincall;
|
|
struct tcaphash_end_info_key_t tcaphash_end_key;
|
|
proto_item *pi;
|
|
proto_item *stat_item=NULL;
|
|
proto_tree *stat_tree=NULL;
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(51,"src %s srcTid %lx dst %s dstTid %lx ", address_to_str(wmem_packet_scope(), &pinfo->src), p_tcapsrt_info->src_tid, address_to_str(wmem_packet_scope(), &pinfo->dst), p_tcapsrt_info->dst_tid);
|
|
dbg(10,"\n Hcont #%u ", pinfo->num);
|
|
#endif
|
|
|
|
/* look only for matching request, if matching conversation is available. */
|
|
tcaphash_cont_key.src_tid = p_tcapsrt_info->src_tid;
|
|
tcaphash_cont_key.dst_tid = p_tcapsrt_info->dst_tid;
|
|
if (pinfo->src.type == ss7pc_address_type && pinfo->dst.type == ss7pc_address_type)
|
|
{
|
|
/* We have MTP3 PCs (so we can safely do this cast) */
|
|
tcaphash_cont_key.opc_hash = mtp3_pc_hash((const mtp3_addr_pc_t *)pinfo->src.data);
|
|
tcaphash_cont_key.dpc_hash = mtp3_pc_hash((const mtp3_addr_pc_t *)pinfo->dst.data);
|
|
} else {
|
|
/* Don't have MTP3 PCs (have SCCP GT ?) */
|
|
tcaphash_cont_key.opc_hash = g_str_hash(address_to_str(wmem_packet_scope(), &pinfo->src));
|
|
tcaphash_cont_key.dpc_hash = g_str_hash(address_to_str(wmem_packet_scope(), &pinfo->dst));
|
|
}
|
|
tcaphash_cont_key.hashKey=tcaphash_cont_calchash(&tcaphash_cont_key);
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(11,"Ckey %lx ", tcaphash_cont_key.hashKey);
|
|
dbg(51,"addr %s %s ", address_to_str(wmem_packet_scope(), &pinfo->src), address_to_str(wmem_packet_scope(), &pinfo->dst));
|
|
dbg(51,"Tid %lx %lx \n",tcaphash_cont_key.src_tid, tcaphash_cont_key.dst_tid);
|
|
#endif
|
|
p_tcaphash_contcall = find_tcaphash_cont(&tcaphash_cont_key, pinfo);
|
|
if(p_tcaphash_contcall) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"CFound ");
|
|
#endif
|
|
p_tcaphash_context=p_tcaphash_contcall->context;
|
|
} else { /* cont not found */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"CnotFound ");
|
|
#endif
|
|
/* Find the TCAP transaction according to the TC_BEGIN (from dtid,dst) */
|
|
tcaphash_begin_key.tid = p_tcapsrt_info->dst_tid;
|
|
if (pinfo->src.type == ss7pc_address_type && pinfo->dst.type == ss7pc_address_type)
|
|
{
|
|
/* We have MTP3 PCs (so we can safely do this cast) */
|
|
tcaphash_begin_key.pc_hash = mtp3_pc_hash((const mtp3_addr_pc_t *)pinfo->dst.data);
|
|
} else {
|
|
/* Don't have MTP3 PCs (have SCCP GT ?) */
|
|
tcaphash_begin_key.pc_hash = g_str_hash(address_to_str(wmem_packet_scope(), &pinfo->dst));
|
|
}
|
|
tcaphash_begin_key.hashKey=tcaphash_begin_calchash(&tcaphash_begin_key);
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(11,"Bkey %lx ", tcaphash_begin_key.hashKey);
|
|
dbg(51,"addr %s ", address_to_str(wmem_packet_scope(), &pinfo->dst));
|
|
dbg(51,"Tid %lx \n",tcaphash_begin_key.tid);
|
|
#endif
|
|
p_tcaphash_begincall = find_tcaphash_begin(&tcaphash_begin_key, pinfo, FALSE);
|
|
if(!p_tcaphash_begincall){
|
|
/* can this actually happen? */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"BNotFound trying stid,src");
|
|
#endif
|
|
/* Do we have a continue from the same source? (stid,src) */
|
|
tcaphash_begin_key.tid = p_tcapsrt_info->src_tid;
|
|
if (pinfo->src.type == ss7pc_address_type && pinfo->dst.type == ss7pc_address_type)
|
|
{
|
|
/* We have MTP3 PCs (so we can safely do this cast) */
|
|
tcaphash_begin_key.pc_hash = mtp3_pc_hash((const mtp3_addr_pc_t *)pinfo->src.data);
|
|
} else {
|
|
/* Don't have MTP3 PCs (have SCCP GT ?) */
|
|
tcaphash_begin_key.pc_hash = g_str_hash(address_to_str(wmem_packet_scope(), &pinfo->src));
|
|
}
|
|
tcaphash_begin_key.hashKey=tcaphash_begin_calchash(&tcaphash_begin_key);
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(11,"Bkey %lx ", tcaphash_begin_key.hashKey);
|
|
dbg(51,"addr %s ", address_to_str(wmem_packet_scope(), &pinfo->src));
|
|
dbg(51,"Tid %lx \n",tcaphash_begin_key.tid);
|
|
#endif
|
|
p_tcaphash_begincall = find_tcaphash_begin(&tcaphash_begin_key, pinfo,FALSE);
|
|
}
|
|
if(p_tcaphash_begincall &&
|
|
!p_tcaphash_begincall->context->contcall ) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"BFound \n");
|
|
#endif
|
|
p_tcaphash_context=p_tcaphash_begincall->context;
|
|
p_tcaphash_context->responded=TRUE;
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"New Ckey %lx ",tcaphash_cont_key.hashKey);
|
|
dbg(11,"Frame reqlink #%u \n", pinfo->num);
|
|
#endif
|
|
create_tcaphash_cont(&tcaphash_cont_key,
|
|
p_tcaphash_begincall->context);
|
|
|
|
/* Create END for (stid,src) */
|
|
tcaphash_end_key.tid = p_tcapsrt_info->src_tid;
|
|
if (pinfo->src.type == ss7pc_address_type && pinfo->dst.type == ss7pc_address_type)
|
|
{
|
|
/* We have MTP3 PCs (so we can safely do this cast) */
|
|
tcaphash_end_key.pc_hash = mtp3_pc_hash((const mtp3_addr_pc_t *)pinfo->src.data);
|
|
} else {
|
|
/* Don't have MTP3 PCs (have SCCP GT ?) */
|
|
tcaphash_end_key.pc_hash = g_str_hash(address_to_str(wmem_packet_scope(), &pinfo->src));
|
|
}
|
|
tcaphash_end_key.hashKey=tcaphash_end_calchash(&tcaphash_end_key);
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"New Ekey %lx ",tcaphash_end_key.hashKey);
|
|
dbg(51,"addr %s ", address_to_str(wmem_packet_scope(), &pinfo->src));
|
|
dbg(51,"Tid %lx ",tcaphash_end_key.tid);
|
|
dbg(11,"Frame reqlink #%u ", pinfo->num);
|
|
#endif
|
|
create_tcaphash_end(&tcaphash_end_key,
|
|
p_tcaphash_begincall->context);
|
|
|
|
} else { /* Begin not found */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"BnotFound ");
|
|
#endif
|
|
} /* begin found */
|
|
} /* cont found */
|
|
/* display tcap session, if available */
|
|
if (gtcap_DisplaySRT && tree &&
|
|
p_tcaphash_context &&
|
|
p_tcaphash_context->session_id) {
|
|
stat_tree = proto_tree_add_subtree(tree, tvb, 0, -1, ett_tcap_stat, &stat_item, "Stat");
|
|
PROTO_ITEM_SET_GENERATED(stat_item);
|
|
pi = proto_tree_add_uint(stat_tree, hf_tcapsrt_SessionId, tvb, 0,0, p_tcaphash_context->session_id);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
}
|
|
|
|
return p_tcaphash_context;
|
|
}
|
|
|
|
/*
|
|
* Try to find a TCAP session according to the destination Identifier given in the TC_END/TC_ABORT
|
|
* If nothing is found,
|
|
* - either it is a session in opening state,
|
|
* - or the session is closed/aborted by the remote, ( so we switch the src and dst tid )
|
|
* so try to find a tcap session registered with a TC_BEGIN "key",
|
|
* matching the destination Id of the TC_END
|
|
* Then associate the TC_CONT "key" to the TCAP context
|
|
* and display the available info for the TCAP context
|
|
*/
|
|
|
|
static struct tcaphash_context_t *
|
|
tcaphash_end_matching(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
struct tcapsrt_info_t *p_tcapsrt_info)
|
|
{
|
|
struct tcaphash_context_t *p_tcaphash_context=NULL;
|
|
|
|
struct tcaphash_end_info_key_t tcaphash_end_key;
|
|
struct tcaphash_endcall_t *p_tcaphash_endcall=NULL;
|
|
|
|
struct tcaphash_begin_info_key_t tcaphash_begin_key;
|
|
struct tcaphash_begincall_t *p_tcaphash_begincall=NULL;
|
|
proto_item *pi;
|
|
nstime_t delta;
|
|
proto_item *stat_item=NULL;
|
|
proto_tree *stat_tree=NULL;
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(51,"src %s dst %s dstTid %lx ", address_to_str(wmem_packet_scope(), &pinfo->src), address_to_str(wmem_packet_scope(), &pinfo->dst), p_tcapsrt_info->dst_tid);
|
|
dbg(10,"\n Hend #%u ", pinfo->num);
|
|
#endif
|
|
/* look only for matching request, if matching conversation is available. */
|
|
tcaphash_end_key.tid = p_tcapsrt_info->dst_tid;
|
|
if (pinfo->src.type == ss7pc_address_type && pinfo->dst.type == ss7pc_address_type)
|
|
{
|
|
/* We have MTP3 PCs (so we can safely do this cast) */
|
|
tcaphash_end_key.pc_hash = mtp3_pc_hash((const mtp3_addr_pc_t *)pinfo->dst.data);
|
|
} else {
|
|
/* Don't have MTP3 PCs (have SCCP GT ?) */
|
|
tcaphash_end_key.pc_hash = g_str_hash(address_to_str(wmem_packet_scope(), &pinfo->dst));
|
|
}
|
|
tcaphash_end_key.hashKey=tcaphash_end_calchash(&tcaphash_end_key);
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(11,"Ekey %lx ",tcaphash_end_key.hashKey);
|
|
dbg(11,"addr %s ", address_to_str(wmem_packet_scope(), &pinfo->dst));
|
|
dbg(51,"Tid %lx ",tcaphash_end_key.tid);
|
|
#endif
|
|
p_tcaphash_endcall = find_tcaphash_end(&tcaphash_end_key, pinfo,TRUE);
|
|
|
|
if(!p_tcaphash_endcall) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"EnotFound ");
|
|
#endif
|
|
tcaphash_begin_key.tid = p_tcapsrt_info->dst_tid;
|
|
if (pinfo->src.type == ss7pc_address_type && pinfo->dst.type == ss7pc_address_type)
|
|
{
|
|
/* We have MTP3 PCs (so we can safely do this cast) */
|
|
tcaphash_begin_key.pc_hash = mtp3_pc_hash((const mtp3_addr_pc_t *)pinfo->dst.data);
|
|
} else {
|
|
/* Don't have MTP3 PCs (have SCCP GT ?) */
|
|
tcaphash_begin_key.pc_hash = g_str_hash(address_to_str(wmem_packet_scope(), &pinfo->dst));
|
|
}
|
|
tcaphash_begin_key.hashKey=tcaphash_begin_calchash(&tcaphash_begin_key);
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(11,"Bkey %lx ", tcaphash_begin_key.hashKey);
|
|
dbg(51,"addr %s ", address_to_str(wmem_packet_scope(), &pinfo->dst));
|
|
dbg(51,"Tid %lx ",tcaphash_begin_key.tid);
|
|
#endif
|
|
p_tcaphash_begincall = find_tcaphash_begin(&tcaphash_begin_key, pinfo,FALSE);
|
|
if(!p_tcaphash_begincall) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"BnotFound ");
|
|
#endif
|
|
}
|
|
}
|
|
if (p_tcaphash_endcall) {
|
|
/* Use the TC_BEGIN Destination reference */
|
|
p_tcaphash_context=p_tcaphash_endcall->context;
|
|
} else if (p_tcaphash_begincall) {
|
|
/* Use the TC_BEGIN Source reference */
|
|
p_tcaphash_context=p_tcaphash_begincall->context;
|
|
}
|
|
|
|
if (p_tcaphash_context) {
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"Found, req=%d ",p_tcaphash_context->first_frame);
|
|
#endif
|
|
if (gtcap_DisplaySRT && tree) {
|
|
stat_tree = proto_tree_add_subtree(tree, tvb, 0, -1, ett_tcap_stat, &stat_item, "Stat");
|
|
PROTO_ITEM_SET_GENERATED(stat_item);
|
|
|
|
pi = proto_tree_add_uint(stat_tree, hf_tcapsrt_SessionId, tvb, 0,0, p_tcaphash_context->session_id);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
}
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"Display framereqlink %d ",p_tcaphash_context->first_frame);
|
|
#endif
|
|
/* Indicate the frame to which this is a reply. */
|
|
if (gtcap_DisplaySRT && stat_tree) {
|
|
pi = proto_tree_add_uint_format(stat_tree, hf_tcapsrt_EndSession, tvb, 0, 0,
|
|
p_tcaphash_context->first_frame,
|
|
"Begin of session in frame %u",
|
|
p_tcaphash_context->first_frame);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
/* Calculate Service Response Time */
|
|
nstime_delta(&delta, &pinfo->abs_ts, &p_tcaphash_context->begin_time);
|
|
|
|
/* display Service Response Time and make it filterable */
|
|
pi = proto_tree_add_time(stat_tree, hf_tcapsrt_SessionTime, tvb, 0, 0, &delta);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
}
|
|
/* Close the context and remove it (if needed) */
|
|
tcapsrt_close(p_tcaphash_context,pinfo);
|
|
|
|
} else {/* context present */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"Context notFound ");
|
|
#endif
|
|
}
|
|
return p_tcaphash_context;
|
|
}
|
|
|
|
/*
|
|
* ANSI PART
|
|
* Create the record identifiying the TCAP transaction
|
|
* When the identifier for the transaction is reused, check
|
|
* the following criteria before to append a new record:
|
|
* - a timeout corresponding to a message retransmission is detected,
|
|
* - a message hast been lost
|
|
* - or the previous transaction has been be closed
|
|
*/
|
|
static struct tcaphash_context_t *
|
|
tcaphash_ansi_matching(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
struct tcapsrt_info_t *p_tcapsrt_info)
|
|
{
|
|
struct tcaphash_context_t *p_tcaphash_context=NULL;
|
|
struct tcaphash_context_key_t tcaphash_context_key;
|
|
struct tcaphash_ansicall_t *p_tcaphash_ansicall, *p_new_tcaphash_ansicall;
|
|
struct tcaphash_ansi_info_key_t tcaphash_ansi_key;
|
|
proto_item *pi;
|
|
nstime_t delta;
|
|
gboolean isResponse=FALSE;
|
|
proto_tree * stat_tree=NULL;
|
|
proto_item * stat_item=NULL;
|
|
|
|
/* prepare the key data */
|
|
tcaphash_ansi_key.tid = p_tcapsrt_info->src_tid;
|
|
if (pinfo->src.type == ss7pc_address_type && pinfo->dst.type == ss7pc_address_type)
|
|
{
|
|
/* We have MTP3 PCs (so we can safely do this cast) */
|
|
tcaphash_ansi_key.opc_hash = mtp3_pc_hash((const mtp3_addr_pc_t *)pinfo->src.data);
|
|
tcaphash_ansi_key.dpc_hash = mtp3_pc_hash((const mtp3_addr_pc_t *)pinfo->dst.data);
|
|
} else {
|
|
/* Don't have MTP3 PCs (have SCCP GT ?) */
|
|
tcaphash_ansi_key.opc_hash = g_str_hash(address_to_str(wmem_packet_scope(), &pinfo->src));
|
|
tcaphash_ansi_key.dpc_hash = g_str_hash(address_to_str(wmem_packet_scope(), &pinfo->dst));
|
|
}
|
|
tcaphash_ansi_key.hashKey=tcaphash_ansi_calchash(&tcaphash_ansi_key);
|
|
|
|
/* look up the request */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"\n Hansi #%u ", pinfo->num);
|
|
dbg(11,"key %lx ",tcaphash_ansi_key.hashKey);
|
|
dbg(51,"PC %s %s ",address_to_str(wmem_packet_scope(), &pinfo->src), address_to_str(wmem_packet_scope(), &pinfo->dst));
|
|
dbg(51,"Tid %lx ",tcaphash_ansi_key.tid);
|
|
#endif
|
|
p_tcaphash_ansicall = (struct tcaphash_ansicall_t *)
|
|
g_hash_table_lookup(tcaphash_ansi, &tcaphash_ansi_key);
|
|
|
|
if (p_tcaphash_ansicall) {
|
|
/* Walk through list of transaction with identical keys */
|
|
do {
|
|
/* Check if the request with this reqSeqNum has been seen */
|
|
if (pinfo->num == p_tcaphash_ansicall->context->first_frame) {
|
|
/* We have seen this request before -> do nothing */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(22,"Request already seen ");
|
|
#endif
|
|
isResponse=FALSE;
|
|
p_tcaphash_context=p_tcaphash_ansicall->context;
|
|
break;
|
|
}
|
|
|
|
/* Check if the reponse with this reqSeqNum has been seen */
|
|
if (pinfo->num == p_tcaphash_ansicall->context->last_frame) {
|
|
/* We have seen this response before -> do nothing */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(22,"Response already seen ");
|
|
#endif
|
|
isResponse=TRUE;
|
|
p_tcaphash_context=p_tcaphash_ansicall->context;
|
|
break;
|
|
}
|
|
|
|
/* Check for the first Request without Response
|
|
received before this frame */
|
|
if ( pinfo->num > p_tcaphash_ansicall->context->first_frame &&
|
|
p_tcaphash_ansicall->context->last_frame==0 ) {
|
|
/* Take it, and update the context */
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"Update key %lx ",tcaphash_ansi_key.hashKey);
|
|
#endif
|
|
p_tcaphash_ansicall->context->last_frame = pinfo->num;
|
|
p_tcaphash_ansicall->context->responded = TRUE;
|
|
p_tcaphash_ansicall->context->closed = TRUE;
|
|
p_tcaphash_context=p_tcaphash_ansicall->context;
|
|
isResponse=TRUE;
|
|
|
|
if (gtcap_DisplaySRT && tree) {
|
|
stat_tree = proto_tree_add_subtree(tree, tvb, 0, -1, ett_tcap_stat, &stat_item, "Stat");
|
|
PROTO_ITEM_SET_GENERATED(stat_item);
|
|
|
|
pi = proto_tree_add_uint(stat_tree, hf_tcapsrt_SessionId, tvb, 0,0, p_tcaphash_context->session_id);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"Display framereqlink %d ",p_tcaphash_context->first_frame);
|
|
#endif
|
|
/* Indicate the frame to which this is a reply. */
|
|
pi = proto_tree_add_uint_format(stat_tree, hf_tcapsrt_EndSession, tvb, 0, 0,
|
|
p_tcaphash_context->first_frame,
|
|
"Begin of session in frame %u",
|
|
p_tcaphash_context->first_frame);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
/* Calculate Service Response Time */
|
|
nstime_delta(&delta, &pinfo->abs_ts, &p_tcaphash_context->begin_time);
|
|
|
|
/* display Service Response Time and make it filterable */
|
|
pi = proto_tree_add_time(stat_tree, hf_tcapsrt_SessionTime, tvb, 0, 0, &delta);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
}
|
|
break;
|
|
} /* Lastframe=0, so take it */
|
|
|
|
|
|
/* If the last record for Tcap transaction with identifier has been reached */
|
|
if (!p_tcaphash_ansicall->next_ansicall) {
|
|
/* check if we have to create a new record or not */
|
|
/* if last request has been responded (response number in known)
|
|
and this request appears after last response (has bigger frame number)
|
|
and last request occurred after the timeout for repetition,
|
|
or
|
|
if last request hasn't been responded (so number unknown)
|
|
and this request appears after last request (has bigger frame number)
|
|
and this request occurred after the timeout for message lost */
|
|
if ( ( p_tcaphash_ansicall->context->last_frame != 0
|
|
&& pinfo->num > p_tcaphash_ansicall->context->first_frame
|
|
&& (guint) pinfo->abs_ts.secs > (guint)(p_tcaphash_ansicall->context->begin_time.secs + gtcap_RepetitionTimeout)
|
|
) ||
|
|
( p_tcaphash_ansicall->context->last_frame == 0
|
|
&& pinfo->num > p_tcaphash_ansicall->context->first_frame
|
|
&& (guint)pinfo->abs_ts.secs > (guint)(p_tcaphash_ansicall->context->begin_time.secs + gtcap_LostTimeout)
|
|
)
|
|
)
|
|
{
|
|
/* we decide that we have a new request */
|
|
/* Append new record to the list */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"(timeout) Append key %lx ",tcaphash_ansi_key.hashKey);
|
|
dbg(12,"Frame %u rsp %u ",pinfo->num,p_tcaphash_ansicall->context->last_frame );
|
|
#endif
|
|
tcaphash_context_key.session_id = tcapsrt_global_SessionId++;
|
|
p_tcaphash_context = new_tcaphash_context(&tcaphash_context_key, pinfo);
|
|
p_new_tcaphash_ansicall = append_tcaphash_ansicall(p_tcaphash_ansicall,
|
|
p_tcaphash_context,
|
|
pinfo);
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"Update key %lx ",tcaphash_ansi_key.hashKey);
|
|
#endif
|
|
update_tcaphash_ansicall(p_new_tcaphash_ansicall, pinfo);
|
|
p_tcaphash_ansicall=p_new_tcaphash_ansicall;
|
|
} else {
|
|
|
|
/* If the Tid is reused for a closed Transaction */
|
|
if ( p_tcaphash_ansicall->context->closed) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"(closed) Append key %lu ",tcaphash_ansi_key.hashKey);
|
|
dbg(12,"Frame %u rsp %u ",pinfo->num,p_tcaphash_ansicall->context->last_frame );
|
|
#endif
|
|
tcaphash_context_key.session_id = tcapsrt_global_SessionId++;
|
|
p_tcaphash_context = new_tcaphash_context(&tcaphash_context_key, pinfo);
|
|
p_new_tcaphash_ansicall = append_tcaphash_ansicall(p_tcaphash_ansicall,
|
|
p_tcaphash_context,
|
|
pinfo);
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"Update key %lu ",tcaphash_ansi_key.hashKey);
|
|
#endif
|
|
update_tcaphash_ansicall(p_new_tcaphash_ansicall, pinfo);
|
|
p_tcaphash_ansicall=p_new_tcaphash_ansicall;
|
|
|
|
} else {
|
|
/* the Tid is reused for an opened Transaction */
|
|
/* so, this is the reply to the request of our context */
|
|
p_tcaphash_context=p_tcaphash_ansicall->context;
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(12,"Found, req=%d ",p_tcaphash_context->first_frame);
|
|
#endif
|
|
|
|
if (gtcap_DisplaySRT && tree) {
|
|
stat_tree = proto_tree_add_subtree(tree, tvb, 0, -1, ett_tcap_stat, &stat_item, "Stat");
|
|
PROTO_ITEM_SET_GENERATED(stat_item);
|
|
|
|
pi = proto_tree_add_uint(stat_tree, hf_tcapsrt_SessionId, tvb, 0,0, p_tcaphash_context->session_id);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"Display framereqlink %d ",p_tcaphash_context->first_frame);
|
|
#endif
|
|
/* Indicate the frame to which this is a reply. */
|
|
pi = proto_tree_add_uint_format(stat_tree, hf_tcapsrt_EndSession, tvb, 0, 0,
|
|
p_tcaphash_context->first_frame,
|
|
"Begin of session in frame %u",
|
|
p_tcaphash_context->first_frame);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
/* Calculate Service Response Time */
|
|
nstime_delta(&delta, &pinfo->abs_ts, &p_tcaphash_context->begin_time);
|
|
|
|
/* display Service Response Time and make it filterable */
|
|
pi = proto_tree_add_time(stat_tree, hf_tcapsrt_SessionTime, tvb, 0, 0, &delta);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
}
|
|
p_tcaphash_context=p_tcaphash_ansicall->context;
|
|
} /* test with Timeout */
|
|
} /* closed */
|
|
break;
|
|
} /* Next call is NULL */
|
|
p_tcaphash_ansicall = p_tcaphash_ansicall->next_ansicall;
|
|
} while (p_tcaphash_ansicall != NULL );
|
|
/*
|
|
* New TCAP context
|
|
*/
|
|
} else { /* p_tcaphash_ansicall has not been found */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(10,"New key %lx ",tcaphash_ansi_key.hashKey);
|
|
#endif
|
|
|
|
tcaphash_context_key.session_id = tcapsrt_global_SessionId++;
|
|
p_tcaphash_context = new_tcaphash_context(&tcaphash_context_key, pinfo);
|
|
p_tcaphash_ansicall = new_tcaphash_ansi(&tcaphash_ansi_key, p_tcaphash_context);
|
|
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(11,"Update key %lx ",tcaphash_ansi_key.hashKey);
|
|
dbg(11,"Frame reqlink #%u ", pinfo->num);
|
|
#endif
|
|
update_tcaphash_ansicall(p_tcaphash_ansicall, pinfo);
|
|
}
|
|
|
|
/* display tcap session, if available */
|
|
if ( gtcap_DisplaySRT && tree &&
|
|
p_tcaphash_context &&
|
|
p_tcaphash_context->session_id) {
|
|
stat_tree = proto_tree_add_subtree(tree, tvb, 0, -1, ett_tcap_stat, &stat_item, "Stat");
|
|
PROTO_ITEM_SET_GENERATED(stat_item);
|
|
pi = proto_tree_add_uint(stat_tree, hf_tcapsrt_SessionId, tvb, 0,0, p_tcaphash_context->session_id);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
}
|
|
|
|
|
|
/* add link to response frame, if available */
|
|
if( gtcap_DisplaySRT && stat_tree &&
|
|
p_tcaphash_ansicall->context->last_frame != 0){
|
|
if (!isResponse) { /* Request */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"Display_frameRsplink %d ",p_tcaphash_ansicall->context->last_frame);
|
|
#endif
|
|
pi = proto_tree_add_uint_format(stat_tree, hf_tcapsrt_BeginSession, tvb, 0, 0,
|
|
p_tcaphash_ansicall->context->last_frame,
|
|
"End of session in frame %u",
|
|
p_tcaphash_ansicall->context->last_frame);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
} else { /* Response */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"Display framereqlink %d ",p_tcaphash_context->first_frame);
|
|
#endif
|
|
/* Indicate the frame to which this is a reply. */
|
|
if (gtcap_DisplaySRT) {
|
|
pi = proto_tree_add_uint_format(stat_tree, hf_tcapsrt_EndSession, tvb, 0, 0,
|
|
p_tcaphash_context->first_frame,
|
|
"Begin of session in frame %u",
|
|
p_tcaphash_context->first_frame);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
/* Calculate Service Response Time */
|
|
nstime_delta(&delta, &pinfo->abs_ts, &p_tcaphash_context->begin_time);
|
|
|
|
/* display Service Response Time and make it filterable */
|
|
pi = proto_tree_add_time(stat_tree, hf_tcapsrt_SessionTime, tvb, 0, 0, &delta);
|
|
PROTO_ITEM_SET_GENERATED(pi);
|
|
}
|
|
} /* Request or Response */
|
|
}
|
|
return p_tcaphash_context;
|
|
}
|
|
|
|
/*
|
|
* Service Response Time analyze
|
|
* Called just after dissector call
|
|
* Associate a TCAP context to a tcap session and display session related infomations
|
|
* like the first frame, the last, the session duration,
|
|
* and a uniq session identifier for the filtering
|
|
*
|
|
* For ETSI tcap, the TCAP context can be reached through three keys
|
|
* - a key (BEGIN) identifying the session according to the tcap source identifier
|
|
* - a key (CONT) identifying the established session (src_id and dst_id)
|
|
* - a key (END) identifying the session according to the tcap destination identifier
|
|
*
|
|
* For ANSI tcap, the TCAP context is reached through a uniq key
|
|
* - a key (ANSI) identifying the session according to the tcap identifier
|
|
*/
|
|
struct tcaphash_context_t *
|
|
tcapsrt_call_matching(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
struct tcapsrt_info_t *p_tcapsrt_info)
|
|
{
|
|
struct tcaphash_context_t *tcap_context=NULL;
|
|
|
|
/* if this packet isn't loaded because of a read filter, don't output anything */
|
|
if(pinfo == NULL || pinfo->num == 0) {
|
|
return NULL;
|
|
}
|
|
|
|
switch (p_tcapsrt_info->ope) {
|
|
|
|
case TC_BEGIN:
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(1,"\nTC_BEGIN ");
|
|
#endif
|
|
tcap_context=tcaphash_begin_matching(tvb, pinfo, tree, p_tcapsrt_info);
|
|
break;
|
|
|
|
case TC_CONT:
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(1,"\nTC_CONT ");
|
|
#endif
|
|
tcap_context=tcaphash_cont_matching(tvb, pinfo, tree, p_tcapsrt_info);
|
|
break;
|
|
|
|
case TC_ABORT:
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(1,"\nTC_ABORT ");
|
|
#endif
|
|
tcap_context=tcaphash_end_matching(tvb, pinfo, tree, p_tcapsrt_info);
|
|
break;
|
|
|
|
case TC_END:
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(1,"\nTC_END ");
|
|
#endif
|
|
tcap_context=tcaphash_end_matching(tvb, pinfo, tree, p_tcapsrt_info);
|
|
break;
|
|
|
|
case TC_ANSI_ALL:
|
|
case TC_ANSI_ABORT:
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(1,"\nTC_ANSI ");
|
|
#endif
|
|
tcap_context=tcaphash_ansi_matching(tvb, pinfo, tree, p_tcapsrt_info);
|
|
break;
|
|
|
|
default:
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(1,"\nUnknown %d ", p_tcapsrt_info->ope);
|
|
#endif
|
|
break;
|
|
} /* switch tcapop */
|
|
#ifdef DEBUG_TCAPSRT
|
|
if (tcap_context)
|
|
dbg(1,"session %d ", tcap_context->session_id);
|
|
#endif
|
|
return tcap_context;
|
|
}
|
|
|
|
/*
|
|
* Initialize the Message Info used by the main dissector
|
|
* Data are linked to a TCAP transaction
|
|
*/
|
|
struct tcapsrt_info_t *
|
|
tcapsrt_razinfo(void)
|
|
{
|
|
struct tcapsrt_info_t *p_tcapsrt_info ;
|
|
|
|
/* Global buffer for packet extraction */
|
|
tcapsrt_global_current++;
|
|
if(tcapsrt_global_current==MAX_TCAP_INSTANCE){
|
|
tcapsrt_global_current=0;
|
|
}
|
|
|
|
p_tcapsrt_info=&tcapsrt_global_info[tcapsrt_global_current];
|
|
memset(p_tcapsrt_info,0,sizeof(struct tcapsrt_info_t));
|
|
|
|
return p_tcapsrt_info;
|
|
}
|
|
|
|
void
|
|
tcapsrt_close(struct tcaphash_context_t *p_tcaphash_context,
|
|
packet_info *pinfo)
|
|
{
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(60,"Force close ");
|
|
#endif
|
|
if (p_tcaphash_context) {
|
|
p_tcaphash_context->responded=TRUE;
|
|
p_tcaphash_context->last_frame = pinfo->num;
|
|
p_tcaphash_context->end_time = pinfo->abs_ts;
|
|
p_tcaphash_context->closed=TRUE;
|
|
|
|
/* If the endkey is present */
|
|
if (p_tcaphash_context->endcall
|
|
&& !gtcap_PersistentSRT) {
|
|
if (p_tcaphash_context->endcall->next_endcall) {
|
|
if (p_tcaphash_context->endcall->previous_endcall ) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"deplace Ehash ");
|
|
#endif
|
|
p_tcaphash_context->endcall->previous_endcall->next_endcall
|
|
= p_tcaphash_context->endcall->next_endcall;
|
|
p_tcaphash_context->endcall->next_endcall->previous_endcall
|
|
= p_tcaphash_context->endcall->previous_endcall;
|
|
g_hash_table_remove(tcaphash_end, p_tcaphash_context->endcall->endkey);
|
|
} else {
|
|
/* cannot remove the father */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"father Ehash ");
|
|
#endif
|
|
} /* no previous link, so father */
|
|
} else if (!gtcap_PersistentSRT) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"remove Ehash ");
|
|
#endif
|
|
g_hash_table_remove(tcaphash_end, p_tcaphash_context->endcall->endkey);
|
|
|
|
} /* endcall without chained string */
|
|
} /* no endcall */
|
|
|
|
|
|
/* If the contkey is present */
|
|
if (p_tcaphash_context->contcall
|
|
&& !gtcap_PersistentSRT) {
|
|
if (p_tcaphash_context->contcall->next_contcall) {
|
|
if (p_tcaphash_context->contcall->previous_contcall ) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"deplace Chash ");
|
|
#endif
|
|
p_tcaphash_context->contcall->previous_contcall->next_contcall
|
|
= p_tcaphash_context->contcall->next_contcall;
|
|
p_tcaphash_context->contcall->next_contcall->previous_contcall
|
|
= p_tcaphash_context->contcall->previous_contcall;
|
|
g_hash_table_remove(tcaphash_cont, p_tcaphash_context->contcall->contkey);
|
|
} else {
|
|
/* cannot remove the father */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"father Chash ");
|
|
#endif
|
|
} /* no previous link, so father */
|
|
} else if (!gtcap_PersistentSRT) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"remove Chash ");
|
|
#endif
|
|
g_hash_table_remove(tcaphash_cont, p_tcaphash_context->contcall->contkey);
|
|
} /* contcall without chained string */
|
|
} /* no contcall */
|
|
|
|
|
|
/* If the beginkey is present */
|
|
if (p_tcaphash_context->begincall
|
|
&& !gtcap_PersistentSRT) {
|
|
if (p_tcaphash_context->begincall->next_begincall) {
|
|
if (p_tcaphash_context->begincall->previous_begincall ) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"deplace Bhash ");
|
|
#endif
|
|
p_tcaphash_context->begincall->previous_begincall->next_begincall
|
|
= p_tcaphash_context->begincall->next_begincall;
|
|
p_tcaphash_context->begincall->next_begincall->previous_begincall
|
|
= p_tcaphash_context->begincall->previous_begincall;
|
|
g_hash_table_remove(tcaphash_begin, p_tcaphash_context->begincall->beginkey);
|
|
} else {
|
|
/* cannot remove the father */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"father Bhash ");
|
|
#endif
|
|
}
|
|
} else if (!gtcap_PersistentSRT) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"remove Bhash ");
|
|
#endif
|
|
g_hash_table_remove(tcaphash_begin, p_tcaphash_context->begincall->beginkey);
|
|
} /* begincall without chained string */
|
|
} /* no begincall */
|
|
|
|
/* If the ansikey is present */
|
|
if (p_tcaphash_context->ansicall
|
|
&& !gtcap_PersistentSRT) {
|
|
if (p_tcaphash_context->ansicall->next_ansicall) {
|
|
if (p_tcaphash_context->ansicall->previous_ansicall ) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"deplace Ahash ");
|
|
#endif
|
|
p_tcaphash_context->ansicall->previous_ansicall->next_ansicall
|
|
= p_tcaphash_context->ansicall->next_ansicall;
|
|
p_tcaphash_context->ansicall->next_ansicall->previous_ansicall
|
|
= p_tcaphash_context->ansicall->previous_ansicall;
|
|
g_hash_table_remove(tcaphash_ansi, p_tcaphash_context->ansicall->ansikey);
|
|
} else {
|
|
/* cannot remove the father */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"father Ahash ");
|
|
#endif
|
|
}
|
|
} else if (!gtcap_PersistentSRT) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"remove Ahash ");
|
|
#endif
|
|
g_hash_table_remove(tcaphash_ansi, p_tcaphash_context->ansicall->ansikey);
|
|
} /* ansicall without chained string */
|
|
} /* no ansicall */
|
|
|
|
if (!gtcap_PersistentSRT) {
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"remove context ");
|
|
#endif
|
|
g_hash_table_remove(tcaphash_context, p_tcaphash_context->key);
|
|
}
|
|
} else { /* no context */
|
|
#ifdef DEBUG_TCAPSRT
|
|
dbg(20,"No context to remove ");
|
|
#endif
|
|
}
|
|
}
|
|
|
|
const value_string tcap_component_type_str[] = {
|
|
{ TCAP_COMP_INVOKE, "Invoke" },
|
|
{ TCAP_COMP_RRL, "Return Result(L)" },
|
|
{ TCAP_COMP_RE, "Return Error" },
|
|
{ TCAP_COMP_REJECT, "Reject" },
|
|
{ TCAP_COMP_RRN, "Return Result(NL)" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_tcap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data _U_)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
struct tcaphash_context_t * p_tcap_context;
|
|
dissector_handle_t subdissector_handle;
|
|
asn1_ctx_t asn1_ctx;
|
|
gint8 ber_class;
|
|
gboolean pc;
|
|
gint tag;
|
|
|
|
/* Check if ANSI TCAP and call the ANSI TCAP dissector if that's the case
|
|
* PackageType ::= CHOICE { unidirectional [PRIVATE 1] IMPLICIT UniTransactionPDU,
|
|
* queryWithPerm [PRIVATE 2] IMPLICIT TransactionPDU,
|
|
* queryWithoutPerm [PRIVATE 3] IMPLICIT TransactionPDU,
|
|
* response [PRIVATE 4] IMPLICIT TransactionPDU,
|
|
* conversationWithPerm [PRIVATE 5] IMPLICIT TransactionPDU,
|
|
* conversationWithoutPerm [PRIVATE 6] IMPLICIT TransactionPDU,
|
|
* abort [PRIVATE 22] IMPLICIT Abort
|
|
* }
|
|
*
|
|
*
|
|
*/
|
|
get_ber_identifier(tvb, 0, &ber_class, &pc, &tag);
|
|
|
|
if(ber_class == BER_CLASS_PRI){
|
|
switch (tag){
|
|
|
|
case 1:
|
|
case 2:
|
|
case 3:
|
|
case 4:
|
|
case 5:
|
|
case 6:
|
|
case 22:
|
|
return call_dissector(ansi_tcap_handle, tvb, pinfo, parent_tree);
|
|
|
|
default:
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
}
|
|
|
|
/* ITU TCAP */
|
|
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
|
|
|
|
tcap_top_tree = parent_tree;
|
|
tcap_stat_tree = NULL;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "TCAP");
|
|
|
|
/* create display subtree for the protocol */
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, proto_tcap, tvb, 0, -1, ENC_NA);
|
|
tree = proto_item_add_subtree(item, ett_tcap);
|
|
tcap_stat_tree=tree;
|
|
}
|
|
cur_oid = NULL;
|
|
tcapext_oid = NULL;
|
|
raz_tcap_private(&tcap_private);
|
|
|
|
asn1_ctx.value_ptr = &tcap_private;
|
|
gp_tcapsrt_info=tcapsrt_razinfo();
|
|
tcap_subdissector_used=FALSE;
|
|
gp_tcap_context=NULL;
|
|
dissect_tcap_TCMessage(FALSE, tvb, 0, &asn1_ctx, tree, -1);
|
|
|
|
if (gtcap_HandleSRT && !tcap_subdissector_used ) {
|
|
p_tcap_context=tcapsrt_call_matching(tvb, pinfo, tcap_stat_tree, gp_tcapsrt_info);
|
|
tcap_private.context=p_tcap_context;
|
|
|
|
/* If the current message is TCAP only,
|
|
* save the Application Context Name for the next messages
|
|
*/
|
|
if ( p_tcap_context && cur_oid && !p_tcap_context->oid_present ) {
|
|
/* Save the application context and the sub dissector */
|
|
g_strlcpy(p_tcap_context->oid, cur_oid, sizeof(p_tcap_context->oid));
|
|
p_tcap_context->oid_present=TRUE;
|
|
if ( (subdissector_handle = dissector_get_string_handle(ber_oid_dissector_table, cur_oid)) ) {
|
|
p_tcap_context->subdissector_handle=subdissector_handle;
|
|
p_tcap_context->subdissector_present=TRUE;
|
|
}
|
|
}
|
|
if (gtcap_HandleSRT && p_tcap_context && p_tcap_context->callback) {
|
|
/* Callback fonction for the upper layer */
|
|
(p_tcap_context->callback)(tvb, pinfo, tcap_stat_tree, p_tcap_context);
|
|
}
|
|
}
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_tcap(void)
|
|
{
|
|
|
|
data_handle = find_dissector("data");
|
|
ansi_tcap_handle = find_dissector_add_dependency("ansi_tcap", proto_tcap);
|
|
ber_oid_dissector_table = find_dissector_table("ber.oid");
|
|
|
|
ss7pc_address_type = address_type_get_by_name("AT_SS7PC");
|
|
|
|
|
|
/*--- Included file: packet-tcap-dis-tab.c ---*/
|
|
#line 1 "./asn1/tcap/packet-tcap-dis-tab.c"
|
|
register_ber_oid_dissector("0.0.17.773.1.1.1", dissect_DialoguePDU_PDU, proto_tcap, "id-as-dialogue");
|
|
register_ber_oid_dissector("0.0.17.773.1.2.1", dissect_UniDialoguePDU_PDU, proto_tcap, "id-as-uniDialogue");
|
|
|
|
|
|
/*--- End of included file: packet-tcap-dis-tab.c ---*/
|
|
#line 1982 "./asn1/tcap/packet-tcap-template.c"
|
|
}
|
|
|
|
static void init_tcap(void);
|
|
static void cleanup_tcap(void);
|
|
|
|
void
|
|
proto_register_tcap(void)
|
|
{
|
|
|
|
/* Setup list of header fields See Section 1.6.1 for details*/
|
|
static hf_register_info hf[] = {
|
|
{ &hf_tcap_tag,
|
|
{ "Tag",
|
|
"tcap.msgtype",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_tcap_length,
|
|
{ "Length",
|
|
"tcap.len",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_tcap_data,
|
|
{ "Data",
|
|
"tcap.data",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_tcap_tid,
|
|
{ "Transaction Id",
|
|
"tcap.tid",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_tcap_constructor_eoc,
|
|
{ "CONSTRUCTOR EOC",
|
|
"tcap.constructor_eoc",
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
/* Tcap Service Response Time */
|
|
{ &hf_tcapsrt_SessionId,
|
|
{ "Session Id",
|
|
"tcap.srt.session_id",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_tcapsrt_BeginSession,
|
|
{ "Begin Session",
|
|
"tcap.srt.begin",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x0,
|
|
"SRT Begin of Session", HFILL }
|
|
},
|
|
{ &hf_tcapsrt_EndSession,
|
|
{ "End Session",
|
|
"tcap.srt.end",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x0,
|
|
"SRT End of Session", HFILL }
|
|
},
|
|
{ &hf_tcapsrt_SessionTime,
|
|
{ "Session duration",
|
|
"tcap.srt.sessiontime",
|
|
FT_RELATIVE_TIME, BASE_NONE, NULL, 0x0,
|
|
"Duration of the TCAP session", HFILL }
|
|
},
|
|
{ &hf_tcapsrt_Duplicate,
|
|
{ "Session Duplicate",
|
|
"tcap.srt.duplicate",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x0,
|
|
"SRT Duplicated with Session", HFILL }
|
|
},
|
|
|
|
/*--- Included file: packet-tcap-hfarr.c ---*/
|
|
#line 1 "./asn1/tcap/packet-tcap-hfarr.c"
|
|
{ &hf_tcap_UniDialoguePDU_PDU,
|
|
{ "UniDialoguePDU", "tcap.UniDialoguePDU",
|
|
FT_UINT32, BASE_DEC, VALS(tcap_UniDialoguePDU_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_DialoguePDU_PDU,
|
|
{ "DialoguePDU", "tcap.DialoguePDU",
|
|
FT_UINT32, BASE_DEC, VALS(tcap_DialoguePDU_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_oid,
|
|
{ "oid", "tcap.oid",
|
|
FT_OID, BASE_NONE, NULL, 0,
|
|
"OBJECT_IDENTIFIER", HFILL }},
|
|
{ &hf_tcap_dialog,
|
|
{ "dialog", "tcap.dialog",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
"Dialog1", HFILL }},
|
|
{ &hf_tcap_unidirectional,
|
|
{ "unidirectional", "tcap.unidirectional_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_begin,
|
|
{ "begin", "tcap.begin_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_end,
|
|
{ "end", "tcap.end_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_continue,
|
|
{ "continue", "tcap.continue_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_abort,
|
|
{ "abort", "tcap.abort_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_dialoguePortion,
|
|
{ "dialoguePortion", "tcap.dialoguePortion",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_components,
|
|
{ "components", "tcap.components",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"ComponentPortion", HFILL }},
|
|
{ &hf_tcap_otid,
|
|
{ "otid", "tcap.otid",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
"OrigTransactionID", HFILL }},
|
|
{ &hf_tcap_dtid,
|
|
{ "dtid", "tcap.dtid",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
"DestTransactionID", HFILL }},
|
|
{ &hf_tcap_reason,
|
|
{ "reason", "tcap.reason",
|
|
FT_UINT32, BASE_DEC, VALS(tcap_Reason_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_p_abortCause,
|
|
{ "p-abortCause", "tcap.p_abortCause",
|
|
FT_UINT32, BASE_DEC, VALS(tcap_P_AbortCause_U_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_u_abortCause,
|
|
{ "u-abortCause", "tcap.u_abortCause",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
"DialoguePortion", HFILL }},
|
|
{ &hf_tcap__untag_item,
|
|
{ "Component", "tcap.Component",
|
|
FT_UINT32, BASE_DEC, VALS(tcap_Component_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_invoke,
|
|
{ "invoke", "tcap.invoke_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_returnResultLast,
|
|
{ "returnResultLast", "tcap.returnResultLast_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"ReturnResult", HFILL }},
|
|
{ &hf_tcap_returnError,
|
|
{ "returnError", "tcap.returnError_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_reject,
|
|
{ "reject", "tcap.reject_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_returnResultNotLast,
|
|
{ "returnResultNotLast", "tcap.returnResultNotLast_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"ReturnResult", HFILL }},
|
|
{ &hf_tcap_invokeID,
|
|
{ "invokeID", "tcap.invokeID",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"InvokeIdType", HFILL }},
|
|
{ &hf_tcap_linkedID,
|
|
{ "linkedID", "tcap.linkedID",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"InvokeIdType", HFILL }},
|
|
{ &hf_tcap_opCode,
|
|
{ "opCode", "tcap.opCode",
|
|
FT_UINT32, BASE_DEC, VALS(tcap_OPERATION_vals), 0,
|
|
"OPERATION", HFILL }},
|
|
{ &hf_tcap_parameter,
|
|
{ "parameter", "tcap.parameter_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_resultretres,
|
|
{ "resultretres", "tcap.resultretres_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_errorCode,
|
|
{ "errorCode", "tcap.errorCode",
|
|
FT_UINT32, BASE_DEC, VALS(tcap_ErrorCode_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_invokeIDRej,
|
|
{ "invokeIDRej", "tcap.invokeIDRej",
|
|
FT_UINT32, BASE_DEC, VALS(tcap_T_invokeIDRej_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_derivable,
|
|
{ "derivable", "tcap.derivable",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"InvokeIdType", HFILL }},
|
|
{ &hf_tcap_not_derivable,
|
|
{ "not-derivable", "tcap.not_derivable_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_problem,
|
|
{ "problem", "tcap.problem",
|
|
FT_UINT32, BASE_DEC, VALS(tcap_T_problem_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_generalProblem,
|
|
{ "generalProblem", "tcap.generalProblem",
|
|
FT_INT32, BASE_DEC, VALS(tcap_GeneralProblem_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_invokeProblem,
|
|
{ "invokeProblem", "tcap.invokeProblem",
|
|
FT_INT32, BASE_DEC, VALS(tcap_InvokeProblem_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_returnResultProblem,
|
|
{ "returnResultProblem", "tcap.returnResultProblem",
|
|
FT_INT32, BASE_DEC, VALS(tcap_ReturnResultProblem_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_returnErrorProblem,
|
|
{ "returnErrorProblem", "tcap.returnErrorProblem",
|
|
FT_INT32, BASE_DEC, VALS(tcap_ReturnErrorProblem_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_localValue,
|
|
{ "localValue", "tcap.localValue",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"INTEGER", HFILL }},
|
|
{ &hf_tcap_globalValue,
|
|
{ "globalValue", "tcap.globalValue",
|
|
FT_OID, BASE_NONE, NULL, 0,
|
|
"OBJECT_IDENTIFIER", HFILL }},
|
|
{ &hf_tcap_nationaler,
|
|
{ "nationaler", "tcap.nationaler",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"INTEGER_M32768_32767", HFILL }},
|
|
{ &hf_tcap_privateer,
|
|
{ "privateer", "tcap.privateer",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"INTEGER", HFILL }},
|
|
{ &hf_tcap_unidialoguePDU,
|
|
{ "unidialoguePDU", "tcap.unidialoguePDU_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"AUDT_apdu", HFILL }},
|
|
{ &hf_tcap_audt_protocol_version,
|
|
{ "protocol-version", "tcap.protocol_version",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
"AUDT_protocol_version", HFILL }},
|
|
{ &hf_tcap_audt_application_context_name,
|
|
{ "application-context-name", "tcap.application_context_name",
|
|
FT_OID, BASE_NONE, NULL, 0,
|
|
"AUDT_application_context_name", HFILL }},
|
|
{ &hf_tcap_audt_user_information,
|
|
{ "user-information", "tcap.user_information",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"AUDT_user_information", HFILL }},
|
|
{ &hf_tcap_audt_user_information_item,
|
|
{ "user-information item", "tcap.user_information_item_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"EXTERNAL", HFILL }},
|
|
{ &hf_tcap_dialogueRequest,
|
|
{ "dialogueRequest", "tcap.dialogueRequest_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"AARQ_apdu", HFILL }},
|
|
{ &hf_tcap_dialogueResponse,
|
|
{ "dialogueResponse", "tcap.dialogueResponse_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"AARE_apdu", HFILL }},
|
|
{ &hf_tcap_dialogueAbort,
|
|
{ "dialogueAbort", "tcap.dialogueAbort_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"ABRT_apdu", HFILL }},
|
|
{ &hf_tcap_aarq_protocol_version,
|
|
{ "protocol-version", "tcap.protocol_version",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
"AARQ_protocol_version", HFILL }},
|
|
{ &hf_tcap_aarq_application_context_name,
|
|
{ "application-context-name", "tcap.application_context_name",
|
|
FT_OID, BASE_NONE, NULL, 0,
|
|
"AARQ_application_context_name", HFILL }},
|
|
{ &hf_tcap_aarq_user_information,
|
|
{ "user-information", "tcap.user_information",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"AARQ_user_information", HFILL }},
|
|
{ &hf_tcap_aarq_user_information_item,
|
|
{ "user-information item", "tcap.user_information_item_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"EXTERNAL", HFILL }},
|
|
{ &hf_tcap_aare_protocol_version,
|
|
{ "protocol-version", "tcap.protocol_version",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
"AARE_protocol_version", HFILL }},
|
|
{ &hf_tcap_aare_application_context_name,
|
|
{ "application-context-name", "tcap.application_context_name",
|
|
FT_OID, BASE_NONE, NULL, 0,
|
|
"AARE_application_context_name", HFILL }},
|
|
{ &hf_tcap_result,
|
|
{ "result", "tcap.result",
|
|
FT_INT32, BASE_DEC, VALS(tcap_Associate_result_vals), 0,
|
|
"Associate_result", HFILL }},
|
|
{ &hf_tcap_result_source_diagnostic,
|
|
{ "result-source-diagnostic", "tcap.result_source_diagnostic",
|
|
FT_UINT32, BASE_DEC, VALS(tcap_Associate_source_diagnostic_vals), 0,
|
|
"Associate_source_diagnostic", HFILL }},
|
|
{ &hf_tcap_aare_user_information,
|
|
{ "user-information", "tcap.user_information",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"AARE_user_information", HFILL }},
|
|
{ &hf_tcap_aare_user_information_item,
|
|
{ "user-information item", "tcap.user_information_item_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"EXTERNAL", HFILL }},
|
|
{ &hf_tcap_abort_source,
|
|
{ "abort-source", "tcap.abort_source",
|
|
FT_INT32, BASE_DEC, VALS(tcap_ABRT_source_vals), 0,
|
|
"ABRT_source", HFILL }},
|
|
{ &hf_tcap_abrt_user_information,
|
|
{ "user-information", "tcap.user_information",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"ABRT_user_information", HFILL }},
|
|
{ &hf_tcap_abrt_user_information_item,
|
|
{ "user-information item", "tcap.user_information_item_element",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"EXTERNAL", HFILL }},
|
|
{ &hf_tcap_dialogue_service_user,
|
|
{ "dialogue-service-user", "tcap.dialogue_service_user",
|
|
FT_INT32, BASE_DEC, VALS(tcap_T_dialogue_service_user_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_dialogue_service_provider,
|
|
{ "dialogue-service-provider", "tcap.dialogue_service_provider",
|
|
FT_INT32, BASE_DEC, VALS(tcap_T_dialogue_service_provider_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_AUDT_protocol_version_version1,
|
|
{ "version1", "tcap.version1",
|
|
FT_BOOLEAN, 8, NULL, 0x80,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_AARQ_protocol_version_version1,
|
|
{ "version1", "tcap.version1",
|
|
FT_BOOLEAN, 8, NULL, 0x80,
|
|
NULL, HFILL }},
|
|
{ &hf_tcap_AARE_protocol_version_version1,
|
|
{ "version1", "tcap.version1",
|
|
FT_BOOLEAN, 8, NULL, 0x80,
|
|
NULL, HFILL }},
|
|
|
|
/*--- End of included file: packet-tcap-hfarr.c ---*/
|
|
#line 2055 "./asn1/tcap/packet-tcap-template.c"
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_tcap,
|
|
&ett_param,
|
|
&ett_otid,
|
|
&ett_dtid,
|
|
&ett_tcap_stat,
|
|
|
|
/*--- Included file: packet-tcap-ettarr.c ---*/
|
|
#line 1 "./asn1/tcap/packet-tcap-ettarr.c"
|
|
&ett_tcap_ExternalPDU_U,
|
|
&ett_tcap_TCMessage,
|
|
&ett_tcap_Unidirectional,
|
|
&ett_tcap_Begin,
|
|
&ett_tcap_End,
|
|
&ett_tcap_Continue,
|
|
&ett_tcap_Abort,
|
|
&ett_tcap_Reason,
|
|
&ett_tcap_SEQUENCE_SIZE_1_MAX_OF_Component,
|
|
&ett_tcap_Component,
|
|
&ett_tcap_Invoke,
|
|
&ett_tcap_ReturnResult,
|
|
&ett_tcap_T_resultretres,
|
|
&ett_tcap_ReturnError,
|
|
&ett_tcap_Reject,
|
|
&ett_tcap_T_invokeIDRej,
|
|
&ett_tcap_T_problem,
|
|
&ett_tcap_OPERATION,
|
|
&ett_tcap_ErrorCode,
|
|
&ett_tcap_UniDialoguePDU,
|
|
&ett_tcap_AUDT_apdu_U,
|
|
&ett_tcap_AUDT_protocol_version,
|
|
&ett_tcap_AUDT_user_information,
|
|
&ett_tcap_DialoguePDU,
|
|
&ett_tcap_AARQ_apdu_U,
|
|
&ett_tcap_AARQ_protocol_version,
|
|
&ett_tcap_AARQ_user_information,
|
|
&ett_tcap_AARE_apdu_U,
|
|
&ett_tcap_AARE_protocol_version,
|
|
&ett_tcap_AARE_user_information,
|
|
&ett_tcap_ABRT_apdu_U,
|
|
&ett_tcap_ABRT_user_information,
|
|
&ett_tcap_Associate_source_diagnostic,
|
|
|
|
/*--- End of included file: packet-tcap-ettarr.c ---*/
|
|
#line 2065 "./asn1/tcap/packet-tcap-template.c"
|
|
};
|
|
|
|
/*static enum_val_t tcap_options[] = {
|
|
{ "itu", "ITU", ITU_TCAP_STANDARD },
|
|
{ "ansi", "ANSI", ANSI_TCAP_STANDARD },
|
|
{ NULL, NULL, 0 }
|
|
};*/
|
|
|
|
module_t *tcap_module;
|
|
|
|
/* Register the protocol name and description */
|
|
proto_tcap = proto_register_protocol(PNAME, PSNAME, PFNAME);
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|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_tcap, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
tcap_module = prefs_register_protocol(proto_tcap, NULL);
|
|
|
|
#if 0
|
|
prefs_register_enum_preference(tcap_module, "standard", "ITU TCAP standard",
|
|
"The SS7 standard used in ITU TCAP packets",
|
|
&tcap_standard, tcap_options, FALSE);
|
|
#else
|
|
prefs_register_obsolete_preference(tcap_module, "standard");
|
|
#endif
|
|
|
|
#if 0
|
|
prefs_register_bool_preference(tcap_module, "lock_info_col", "Lock Info column",
|
|
"Always show TCAP in Info column",
|
|
&lock_info_col);
|
|
#else
|
|
prefs_register_obsolete_preference(tcap_module, "lock_info_col");
|
|
#endif
|
|
|
|
/* Set default SSNs */
|
|
range_convert_str(&global_ssn_range, "", MAX_SSN);
|
|
|
|
prefs_register_range_preference(tcap_module, "ssn", "SCCP SSNs",
|
|
"SCCP (and SUA) SSNs to decode as TCAP",
|
|
&global_ssn_range, MAX_SSN);
|
|
|
|
prefs_register_bool_preference(tcap_module, "srt",
|
|
"Service Response Time Analyse",
|
|
"Activate the analyse for Response Time",
|
|
>cap_HandleSRT);
|
|
|
|
prefs_register_bool_preference(tcap_module, "persistentsrt",
|
|
"Persistent stats for SRT",
|
|
"Statistics for Response Time",
|
|
>cap_PersistentSRT);
|
|
|
|
prefs_register_uint_preference(tcap_module, "repetitiontimeout",
|
|
"Repetition timeout",
|
|
"Maximal delay for message repetion",
|
|
10, >cap_RepetitionTimeout);
|
|
|
|
prefs_register_uint_preference(tcap_module, "losttimeout",
|
|
"lost timeout",
|
|
"Maximal delay for message lost",
|
|
10, >cap_LostTimeout);
|
|
|
|
ansi_sub_dissectors = g_hash_table_new(g_direct_hash,g_direct_equal);
|
|
itu_sub_dissectors = g_hash_table_new(g_direct_hash,g_direct_equal);
|
|
|
|
/* 'globally' register dissector */
|
|
register_dissector("tcap", dissect_tcap, proto_tcap);
|
|
|
|
tcap_handle = create_dissector_handle(dissect_tcap, proto_tcap);
|
|
|
|
register_init_routine(&init_tcap);
|
|
register_cleanup_routine(&cleanup_tcap);
|
|
}
|
|
|
|
|
|
static void range_delete_callback(guint32 ssn)
|
|
{
|
|
if ( ssn && !get_ansi_tcap_subdissector(ssn) && !get_itu_tcap_subdissector(ssn) ) {
|
|
dissector_delete_uint("sccp.ssn", ssn, tcap_handle);
|
|
}
|
|
}
|
|
|
|
static void range_add_callback(guint32 ssn)
|
|
{
|
|
if (ssn && !get_ansi_tcap_subdissector(ssn) && !get_itu_tcap_subdissector(ssn) ) {
|
|
dissector_add_uint("sccp.ssn", ssn, tcap_handle);
|
|
}
|
|
}
|
|
|
|
|
|
static void init_tcap(void)
|
|
{
|
|
ssn_range = range_copy(global_ssn_range);
|
|
range_foreach(ssn_range, range_add_callback);
|
|
tcapsrt_init_routine();
|
|
}
|
|
|
|
static void cleanup_tcap(void)
|
|
{
|
|
range_foreach(ssn_range, range_delete_callback);
|
|
g_free(ssn_range);
|
|
}
|
|
|
|
static int
|
|
dissect_tcap_param(asn1_ctx_t *actx, proto_tree *tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
gint tag_offset, saved_offset, len_offset;
|
|
tvbuff_t *next_tvb;
|
|
proto_tree *subtree;
|
|
gint8 ber_class;
|
|
gboolean pc;
|
|
gint32 tag;
|
|
guint32 len;
|
|
guint32 tag_length;
|
|
guint32 len_length;
|
|
gboolean ind_field;
|
|
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0)
|
|
{
|
|
saved_offset = offset;
|
|
|
|
offset = get_ber_identifier(tvb, offset, &ber_class, &pc, &tag);
|
|
tag_offset = offset;
|
|
offset = get_ber_length(tvb, offset, &len, &ind_field);
|
|
len_offset = offset;
|
|
|
|
tag_length = tag_offset - saved_offset;
|
|
len_length = len_offset - tag_offset;
|
|
|
|
if (pc)
|
|
{
|
|
subtree = proto_tree_add_subtree(tree, tvb, saved_offset,
|
|
len + (len_offset - saved_offset), ett_param, NULL,
|
|
"CONSTRUCTOR");
|
|
proto_tree_add_uint_format(subtree, hf_tcap_tag, tvb,
|
|
saved_offset, tag_length, tag,
|
|
"CONSTRUCTOR Tag");
|
|
proto_tree_add_uint(subtree, hf_tcap_tag, tvb, saved_offset,
|
|
tag_length, ber_class);
|
|
|
|
proto_tree_add_uint(subtree, hf_tcap_length, tvb, tag_offset,
|
|
len_length, len);
|
|
|
|
if (len-(2*ind_field)) /*should always be positive unless we get an empty contructor pointless? */
|
|
{
|
|
next_tvb = tvb_new_subset_length(tvb, offset, len-(2*ind_field));
|
|
dissect_tcap_param(actx, subtree,next_tvb,0);
|
|
}
|
|
|
|
if (ind_field)
|
|
proto_tree_add_item(subtree, hf_tcap_constructor_eoc, tvb, offset+len-2, 2, ENC_BIG_ENDIAN);
|
|
|
|
offset += len;
|
|
}
|
|
else
|
|
{
|
|
subtree = proto_tree_add_subtree_format(tree, tvb, saved_offset,
|
|
len + (len_offset - saved_offset), ett_param, NULL,
|
|
"Parameter (0x%.2x)", tag);
|
|
|
|
proto_tree_add_uint(subtree, hf_tcap_tag, tvb, saved_offset,
|
|
tag_length, tag);
|
|
|
|
proto_tree_add_uint(subtree, hf_tcap_length, tvb,
|
|
saved_offset+tag_length, len_length, len);
|
|
|
|
if (len) /* check for NULLS */
|
|
{
|
|
next_tvb = tvb_new_subset_length(tvb, offset, len);
|
|
dissect_ber_octet_string(TRUE, actx, tree, next_tvb, 0,
|
|
hf_tcap_data, NULL);
|
|
}
|
|
|
|
offset += len;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static void raz_tcap_private(struct tcap_private_t * p_tcap_private)
|
|
{
|
|
memset(p_tcap_private,0,sizeof(struct tcap_private_t) );
|
|
}
|
|
|
|
/*
|
|
* Call ITU Subdissector to decode the Tcap Component
|
|
*/
|
|
static int
|
|
dissect_tcap_ITU_ComponentPDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_, proto_tree *tree, int hf_index _U_)
|
|
{
|
|
dissector_handle_t subdissector_handle=NULL;
|
|
gboolean is_subdissector=FALSE;
|
|
struct tcaphash_context_t * p_tcap_context=NULL;
|
|
|
|
/*
|
|
* ok lets look at the oid and ssn and try and find a dissector, otherwise lets decode it.
|
|
*/
|
|
|
|
/*
|
|
* Handle The TCAP Service Response Time
|
|
*/
|
|
if ( gtcap_HandleSRT ) {
|
|
if (!tcap_subdissector_used) {
|
|
p_tcap_context=tcapsrt_call_matching(tvb, actx->pinfo, tcap_stat_tree, gp_tcapsrt_info);
|
|
tcap_subdissector_used=TRUE;
|
|
gp_tcap_context=p_tcap_context;
|
|
tcap_private.context=p_tcap_context;
|
|
} else {
|
|
/* Take the last TCAP context */
|
|
p_tcap_context = gp_tcap_context;
|
|
tcap_private.context=p_tcap_context;
|
|
}
|
|
}
|
|
if (p_tcap_context) {
|
|
if (cur_oid) {
|
|
if (p_tcap_context->oid_present) {
|
|
/* We have already an Application Context, check if we have
|
|
to fallback to a lower version */
|
|
if ( strncmp(p_tcap_context->oid, cur_oid, sizeof(p_tcap_context->oid))!=0) {
|
|
/* ACN, changed, Fallback to lower version
|
|
* and update the subdissector (purely formal)
|
|
*/
|
|
g_strlcpy(p_tcap_context->oid,cur_oid, sizeof(p_tcap_context->oid));
|
|
if ( (subdissector_handle = dissector_get_string_handle(ber_oid_dissector_table, cur_oid)) ) {
|
|
p_tcap_context->subdissector_handle=subdissector_handle;
|
|
p_tcap_context->subdissector_present=TRUE;
|
|
}
|
|
}
|
|
} else {
|
|
/* We do not have the OID in the TCAP context, so store it */
|
|
g_strlcpy(p_tcap_context->oid, cur_oid, sizeof(p_tcap_context->oid));
|
|
p_tcap_context->oid_present=TRUE;
|
|
/* Try to find a subdissector according to OID */
|
|
if ( (subdissector_handle
|
|
= dissector_get_string_handle(ber_oid_dissector_table, cur_oid)) ) {
|
|
p_tcap_context->subdissector_handle=subdissector_handle;
|
|
p_tcap_context->subdissector_present=TRUE;
|
|
} else {
|
|
/* Not found, so try to find a subdissector according to SSN */
|
|
if ( (subdissector_handle = get_itu_tcap_subdissector(actx->pinfo->match_uint))) {
|
|
/* Found according to SSN */
|
|
p_tcap_context->subdissector_handle=subdissector_handle;
|
|
p_tcap_context->subdissector_present=TRUE;
|
|
}
|
|
}
|
|
} /* context OID */
|
|
} else {
|
|
/* Copy the OID from the TCAP context to the current oid */
|
|
if (p_tcap_context->oid_present) {
|
|
tcap_private.oid= (void*) p_tcap_context->oid;
|
|
tcap_private.acv=TRUE;
|
|
}
|
|
} /* no OID */
|
|
} /* no TCAP context */
|
|
|
|
|
|
if ( p_tcap_context
|
|
&& p_tcap_context->subdissector_present) {
|
|
/* Take the subdissector from the context */
|
|
subdissector_handle=p_tcap_context->subdissector_handle;
|
|
is_subdissector=TRUE;
|
|
}
|
|
|
|
/* Have SccpUsersTable protocol taking precedence over sccp.ssn table */
|
|
if (!is_subdissector && requested_subdissector_handle) {
|
|
is_subdissector = TRUE;
|
|
subdissector_handle = requested_subdissector_handle;
|
|
}
|
|
|
|
if (!is_subdissector) {
|
|
/*
|
|
* If we do not currently know the subdissector, we have to find it
|
|
* - first, according to the OID
|
|
* - then according to the SSN
|
|
* - and at least, take the default Data handler
|
|
*/
|
|
if (ber_oid_dissector_table && cur_oid) {
|
|
/* Search if we can find the sub protocol according to the A.C.N */
|
|
if ( (subdissector_handle
|
|
= dissector_get_string_handle(ber_oid_dissector_table, cur_oid)) ) {
|
|
/* found */
|
|
is_subdissector=TRUE;
|
|
} else {
|
|
/* Search if we can found the sub protocol according to the SSN table */
|
|
if ( (subdissector_handle
|
|
= get_itu_tcap_subdissector(actx->pinfo->match_uint))) {
|
|
/* Found according to SSN */
|
|
is_subdissector=TRUE;
|
|
} else {
|
|
/* Nothing found, take the Data handler */
|
|
subdissector_handle = data_handle;
|
|
is_subdissector=TRUE;
|
|
} /* SSN */
|
|
} /* ACN */
|
|
} else {
|
|
/* There is no A.C.N for this transaction, so search in the SSN table */
|
|
if ( (subdissector_handle = get_itu_tcap_subdissector(actx->pinfo->match_uint))) {
|
|
/* Found according to SSN */
|
|
is_subdissector=TRUE;
|
|
} else {
|
|
subdissector_handle = data_handle;
|
|
is_subdissector=TRUE;
|
|
}
|
|
} /* OID */
|
|
} else {
|
|
/* We have it already */
|
|
}
|
|
|
|
/* Call the sub dissector if present, and not already called */
|
|
if (is_subdissector) {
|
|
call_dissector_with_data(subdissector_handle, tvb, actx->pinfo, tree, actx->value_ptr);
|
|
col_set_fence(actx->pinfo->cinfo, COL_INFO);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
void
|
|
call_tcap_dissector(dissector_handle_t handle, tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree)
|
|
{
|
|
requested_subdissector_handle = handle;
|
|
|
|
TRY {
|
|
dissect_tcap(tvb, pinfo, tree, NULL);
|
|
} CATCH_ALL {
|
|
requested_subdissector_handle = NULL;
|
|
RETHROW;
|
|
} ENDTRY;
|
|
|
|
requested_subdissector_handle = NULL;
|
|
}
|
|
|
|
/*
|
|
* Editor modelines
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 2
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=2 tabstop=8 expandtab:
|
|
* :indentSize=2:tabSize=8:noTabs=true:
|
|
*/
|