forked from osmocom/wireshark
739 lines
26 KiB
C
739 lines
26 KiB
C
/* packet-camel-template.c
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* Routines for Camel
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* Copyright 2004, Tim Endean <endeant@hotmail.com>
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* Copyright 2005, Olivier Jacques <olivier.jacques@hp.com>
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* Copyright 2005, Javier AcuÇña <javier.acuna@sixbell.com>
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* Updated to ETSI TS 129 078 V6.4.0 (2004-3GPP TS 29.078 version 6.4.0 Release 6 1 12)
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* Copyright 2005, Anders Broman <anders.broman@ericsson.com>
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* Built from the gsm-map dissector Copyright 2004, Anders Broman <anders.broman@ericsson.com>
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*
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* $Id$
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* References: ETSI 300 374
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*/
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/*
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* Indentation logic: this file is indented with 2 spaces indentation.
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* there are no tabs.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/prefs.h>
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#include <epan/conversation.h>
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#include <epan/tap.h>
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#include <stdio.h>
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#include <string.h>
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#include "packet-ber.h"
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#include "packet-camel.h"
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#include "packet-q931.h"
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#include "packet-e164.h"
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#include "packet-isup.h"
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#include "packet-gsm_map.h"
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#define PNAME "Camel"
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#define PSNAME "CAMEL"
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#define PFNAME "camel"
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/* Initialize the protocol and registered fields */
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int proto_camel = -1;
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int date_format = 1; /*assume european date format */
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static int hf_digit = -1;
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static int hf_camel_invokeCmd = -1; /* Opcode */
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static int hf_camel_invokeid = -1; /* INTEGER */
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static int hf_camel_linkedID = -1; /* INTEGER */
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static int hf_camel_absent = -1; /* NULL */
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static int hf_camel_invokeId = -1; /* InvokeId */
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static int hf_camel_invoke = -1; /* InvokePDU */
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static int hf_camel_returnResult = -1; /* InvokePDU */
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static int hf_camel_returnResult_result = -1;
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static int hf_camel_getPassword = -1;
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static int hf_camel_currentPassword = -1;
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static int hf_camel_nature_of_number = -1;
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static int hf_camel_number_plan = -1;
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static int hf_camel_imsi_digits = -1;
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static int hf_camel_addr_extension = -1;
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static int hf_camel_addr_natureOfAddressIndicator = -1;
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static int hf_camel_addr_nature_of_number = -1;
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static int hf_camel_addr_numberingPlanInd = -1;
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static int hf_camel_addr_digits = -1;
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static int hf_camel_cause_indicator = -1;
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#include "packet-camel-hf.c"
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static guint global_tcap_itu_ssn = 0;
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/* Initialize the subtree pointers */
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static gint ett_camel = -1;
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static gint ett_camel_InvokeId = -1;
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static gint ett_camel_InvokePDU = -1;
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static gint ett_camel_ReturnResultPDU = -1;
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static gint ett_camel_ReturnResult_result = -1;
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static gint ett_camel_camelPDU = -1;
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static gint ett_camelisup_parameter = -1;
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static gint ett_camel_addr = -1;
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#include "packet-camel-ett.c"
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/* Preference settings default */
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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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dissector_handle_t camel_handle;
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/* Global variables */
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static int application_context_version;
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static int dissect_invokeCmd(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset);
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static const true_false_string camel_extension_value = {
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"No Extension",
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"Extension"
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};
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#define EUROPEAN_DATE 1
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#define AMERICAN_DATE 2
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#define CAMEL_DATE_AND_TIME_LEN 20 /* 2*5 + 4 + 5 + 1 (HH:MM:SS;mm/dd/yyyy) */
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static enum_val_t date_options[] = {
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{ "european", "DD/MM/YYYY", EUROPEAN_DATE },
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{ "american", "MM/DD/YYYY", AMERICAN_DATE },
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{ NULL, NULL, 0 }
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};
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static const value_string digit_value[] = {
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{ 0, "0"},
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{ 1, "1"},
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{ 2, "2"},
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{ 3, "3"},
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{ 4, "4"},
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{ 5, "5"},
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{ 6, "6"},
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{ 7, "7"},
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{ 8, "8"},
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{ 9, "9"},
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{ 10, "spare"},
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{ 11, "spare"},
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{ 12, "spare"},
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{ 13, "spare"},
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{ 0, NULL}};
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static const value_string camel_nature_of_addr_indicator_values[] = {
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{ 0x00, "unknown" },
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{ 0x01, "International Number" },
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{ 0x02, "National Significant Number" },
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{ 0x03, "Network Specific Number" },
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{ 0x04, "Subscriber Number" },
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{ 0x05, "Reserved" },
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{ 0x06, "Abbreviated Number" },
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{ 0x07, "Reserved for extension" },
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{ 0, NULL }
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};
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static const value_string camel_number_plan_values[] = {
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{ 0x00, "unknown" },
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{ 0x01, "ISDN/Telephony Numbering (Rec ITU-T E.164)" },
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{ 0x02, "spare" },
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{ 0x03, "Data Numbering (ITU-T Rec. X.121)" },
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{ 0x04, "Telex Numbering (ITU-T Rec. F.69)" },
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{ 0x05, "spare" },
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{ 0x06, "Land Mobile Numbering (ITU-T Rec. E.212)" },
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{ 0x07, "spare" },
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{ 0x08, "National Numbering" },
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{ 0x09, "Private Numbering" },
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{ 0x0f, "Reserved for extension" },
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{ 0, NULL }
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};
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/* End includes from old" packet-camel.c */
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#include "packet-camel-fn.c"
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const value_string camel_opr_code_strings[] = {
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{0, "InitialDP"},
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{16, "AssistRequestInstructions"},
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{17, "EstablishTemporaryConnection"},
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{18, "DisconnectForwardConnection"},
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{19, "ConnectToResource"},
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{20, "Connect"},
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{22, "ReleaseCall"},
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{23, "RequestReportBCSMEvent"},
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{24, "EventReportBCSM"},
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{31, "Continue"},
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{32, "InitiateCallAttempt"},
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{33, "ResetTimer"},
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{34, "FurnishChargingInformation"},
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{35, "ApplyCharging"},
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{36, "ApplyChargingReport"},
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{41, "CallGap"},
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{44, "CallInformationReport"},
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{45, "CallInformationRequest"},
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{46, "SendChargingInformation"},
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{47, "PlayAnnouncement"},
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{48, "PromptAndCollectUserInformation"},
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{49, "SpecializedResourceReport"},
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{53, "Cancel"},
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{55, "ActivityTest"},
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{56, "ContinueWithArgument"},
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{60, "InitialDPSMS"},
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{61, "FurnishChargingInformationSMS"},
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{62, "ConnectSMS"},
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{63, "RequestReportSMSEvent"},
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{64, "EventReportSMS"},
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{65, "ContinueSMS"},
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{66, "ReleaseSMS"},
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{67, "ResetTimerSMS"},
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{70, "ActivityTestGPRS"},
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{71, "ApplyChargingGPRS"},
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{72, "ApplyChargingReportGPRS"},
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{73, "CancelGPRS"},
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{74, "ConnectGPRS"},
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{75, "ContinueGPRS"},
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{76, "EntityReleasedGPRS"},
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{77, "FurnishChargingInformationGPRS"},
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{78, "InitialDPGPRS"},
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{79, "ReleaseGPRS"},
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{80, "EventReportGPRS"},
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{81, "RequestReportGPRSEvent"},
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{82, "ResetTimerGPRS"},
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{83, "SendChargingInformationGPRS"},
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{86, "DFCWithArgument"},
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{88, "ContinueWithArgument"},
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{90, "DisconnectLeg"},
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{93, "MoveLeg"},
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{95, "SplitLeg"},
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{96, "EntityReleased"},
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{97, "PlayTone"},
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{0, NULL}
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};
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char camel_number_to_char(int number)
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{
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if (number < 10)
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return (char) (number + 48 ); /* this is ASCII specific */
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else
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return (char) (number + 55 );
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}
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static guint32 opcode=0;
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static int
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dissect_camel_Opcode(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index) {
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offset = dissect_ber_integer(FALSE, pinfo, tree, tvb, offset, hf_index, &opcode);
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if (check_col(pinfo->cinfo, COL_INFO)){
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/* Add Camel Opcode to INFO column */
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col_append_fstr(pinfo->cinfo, COL_INFO, val_to_str(opcode, camel_opr_code_strings, "Unknown Camel (%u)"));
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col_append_fstr(pinfo->cinfo, COL_INFO, " ");
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}
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return offset;
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}
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static int dissect_invokeData(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
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switch(opcode){
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case 0: /*InitialDP*/
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offset=dissect_camel_InitialDPArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 16: /*AssistRequestInstructions*/
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offset=dissect_camel_AssistRequestInstructionsArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 17: /*EstablishTemporaryConnection*/
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offset=dissect_camel_EstablishTemporaryConnectionArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 18: /*DisconnectForwardConnections*/
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proto_tree_add_text(tree, tvb, offset, -1, "Disconnect Forward Connection");
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break;
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case 19: /*ConnectToResource*/
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offset=dissect_camel_ConnectToResourceArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 20: /*Connect*/
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offset=dissect_camel_ConnectArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 22: /*releaseCall*/
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offset=dissect_camel_ReleaseCallArg(FALSE, tvb, offset, pinfo, tree, hf_camel_cause);
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break;
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case 23: /*RequestReportBCSMEvent*/
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offset=dissect_camel_RequestReportBCSMEventArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 24: /*EventReportBCSM*/
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offset=dissect_camel_EventReportBCSMArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 31: /*Continue*/
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/* Continue: no arguments - do nothing */
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break;
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case 32: /*initiateCallAttempt*/
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offset=dissect_camel_InitiateCallAttemptArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 33: /*ResetTimer*/
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offset=dissect_camel_ResetTimerArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 34: /*FurnishChargingInformation*/
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offset=dissect_camel_FurnishChargingInformationArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 35: /*ApplyCharging*/
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offset=dissect_camel_ApplyChargingArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 36: /*ApplyChargingReport*/
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offset=dissect_camel_ApplyChargingReportArg(TRUE, tvb, offset, pinfo, tree, -1);
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break;
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case 41: /*CallGap*/
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offset=dissect_camel_CallGapArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 44: /*CallInformationReport*/
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offset=dissect_camel_CallInformationReportArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 45: /*CallInformationRequest*/
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offset=dissect_camel_CallInformationRequestArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 46: /*SendChargingInformation*/
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offset=dissect_camel_SendChargingInformationArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 47: /*PlayAnnouncement*/
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offset=dissect_camel_PlayAnnouncementArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 48: /*PromptAndCollectUserInformation*/
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offset=dissect_camel_PromptAndCollectUserInformationArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 49: /*SpecializedResourceReport*/
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offset=dissect_camel_SpecializedResourceReportArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 53: /*Cancel*/
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offset=dissect_camel_CancelArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 56: /*ContinueWithArgument*/
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offset=dissect_camel_ContinueWithArgumentArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 60: /*InitialDPSMS*/
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offset=dissect_camel_InitialDPSMSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 61: /*FurnishChargingInformationSMS*/
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offset=dissect_camel_FurnishChargingInformationSMSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 62: /*ConnectSMS*/
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offset=dissect_camel_ConnectSMSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 63: /*RequestReportSMSEvent*/
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offset=dissect_camel_RequestReportSMSEventArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 64: /*EventReportSMS*/
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offset=dissect_camel_EventReportSMSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 65: /*ContinueSMS*/
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/* ContinueSMS: no arguments - do nothing */
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break;
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case 66: /*ReleaseSMS*/
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offset=dissect_camel_ReleaseSMSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 67: /*ResetTimerSMS*/
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offset=dissect_camel_ResetTimerSMSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 71: /*ApplyChargingGPRS*/
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offset=dissect_camel_ApplyChargingGPRSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 73: /*CancelGPRS*/
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offset=dissect_camel_CancelGPRSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 74: /*ConnectGPRS*/
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offset=dissect_camel_ConnectGPRSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 75: /*ContinueGPRS*/
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offset=dissect_camel_ContinueGPRSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 77: /*FurnishChargingInformationGPRS*/
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offset=dissect_camel_FurnishChargingInformationGPRSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 78: /*InitialDPGPRS*/
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offset=dissect_camel_InitialDPGPRSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 79: /*ReleaseGPRS*/
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offset=dissect_camel_ReleaseGPRSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 81: /*RequestReportGPRSEvent*/
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offset=dissect_camel_RequestReportGPRSEventArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 82: /*ResetTimerGPRS*/
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offset=dissect_camel_ResetTimerGPRSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 83: /*SendChargingInformationGPRS*/
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offset=dissect_camel_SendChargingInformationGPRSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 86: /*DFCWithArgument*/
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offset= dissect_camel_DisconnectForwardConnectionWithArgumentArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 88: /*ContinueWithArgument*/
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/* XXX Same as opcode 56 ??? */
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offset= dissect_camel_ContinueWithArgumentArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 90: /*DisconnectLeg*/
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offset= dissect_camel_DisconnectLegArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 93: /*MoveLeg*/
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offset= dissect_camel_MoveLegArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 95: /*SplitLeg*/
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offset= dissect_camel_SplitLegArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 96: /*EntityReleased*/
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offset= dissect_camel_EntityReleasedArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 97: /*PlayTone*/
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offset= dissect_camel_PlayToneArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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default:
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proto_tree_add_text(tree, tvb, offset, -1, "Unknown invokeData blob");
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/* todo call the asn.1 dissector */
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}
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return offset;
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}
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static int dissect_returnResultData(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
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switch(opcode){
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case 32: /*initiateCallAttempt*/
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offset=dissect_camel_InitiateCallAttemptRes(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 48: /*PromptAndCollectUserInformation*/
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offset=dissect_camel_ReceivedInformationArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 55: /*ActivityTest*/
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/* ActivityTest: no arguments - do nothing */
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break;
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case 70: /*ActivityTestGPRS*/
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/* ActivityTestGPRS: no arguments - do nothing */
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break;
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case 72: /*ApplyChargingReportGPRS*/
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offset=dissect_camel_ApplyChargingReportGPRSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 76: /*EntityReleasedGPRS*/
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offset=dissect_camel_EntityReleasedGPRSArg(FALSE, tvb, offset, pinfo, tree, -1);
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break;
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case 80: /*EventReportGPRS*/
|
|
offset=dissect_camel_EventReportGPRSArg(FALSE, tvb, offset, pinfo, tree, -1);
|
|
break;
|
|
default:
|
|
proto_tree_add_text(tree, tvb, offset, -1, "Unknown returnResultData blob");
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_invokeCmd(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_camel_Opcode(FALSE, tvb, offset, pinfo, tree, hf_camel_invokeCmd);
|
|
}
|
|
|
|
static int dissect_invokeid(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_ber_integer(FALSE, pinfo, tree, tvb, offset, hf_camel_invokeid, NULL);
|
|
}
|
|
|
|
|
|
static const value_string InvokeId_vals[] = {
|
|
{ 0, "invokeid" },
|
|
{ 1, "absent" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static int dissect_absent(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_camel_NULL(FALSE, tvb, offset, pinfo, tree, hf_camel_absent);
|
|
}
|
|
|
|
static const ber_choice_t InvokeId_choice[] = {
|
|
{ 0, BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_invokeid },
|
|
{ 1, BER_CLASS_UNI, BER_UNI_TAG_NULL, BER_FLAGS_NOOWNTAG, dissect_absent },
|
|
{ 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_camel_InvokeId(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index) {
|
|
offset = dissect_ber_choice(pinfo, tree, tvb, offset,
|
|
InvokeId_choice, hf_index, ett_camel_InvokeId, NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_invokeId(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_camel_InvokeId(FALSE, tvb, offset, pinfo, tree, hf_camel_invokeId);
|
|
}
|
|
static int dissect_linkedID_impl(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_ber_integer(TRUE, pinfo, tree, tvb, offset, hf_camel_linkedID, NULL);
|
|
}
|
|
|
|
static const ber_sequence_t InvokePDU_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_invokeId },
|
|
{ BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_linkedID_impl },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_invokeCmd },
|
|
{ BER_CLASS_UNI, -1/*depends on Cmd*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_invokeData },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_camel_InvokePDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index) {
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
InvokePDU_sequence, hf_index, ett_camel_InvokePDU);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_invoke_impl(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_camel_InvokePDU(TRUE, tvb, offset, pinfo, tree, hf_camel_invoke);
|
|
}
|
|
|
|
static const ber_sequence_t ReturnResult_result_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_invokeCmd },
|
|
{ BER_CLASS_UNI, -1/*depends on Cmd*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_returnResultData },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
static int
|
|
dissect_returnResult_result(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
offset = dissect_ber_sequence(FALSE, pinfo, tree, tvb, offset,
|
|
ReturnResult_result_sequence, hf_camel_returnResult_result, ett_camel_ReturnResult_result);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static const ber_sequence_t ReturnResultPDU_sequence[] = {
|
|
{ BER_CLASS_UNI, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_invokeId },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_returnResult_result },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_camel_returnResultPDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index) {
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
ReturnResultPDU_sequence, hf_index, ett_camel_ReturnResultPDU);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_returnResult_impl(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_camel_returnResultPDU(TRUE, tvb, offset, pinfo, tree, hf_camel_returnResult);
|
|
}
|
|
|
|
static const value_string camelPDU_vals[] = {
|
|
{ 1, "Invoke " },
|
|
{ 2, "ReturnResult " },
|
|
{ 3, "ReturnError " },
|
|
{ 4, "Reject " },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t camelPDU_choice[] = {
|
|
{ 1, BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_invoke_impl },
|
|
{ 2, BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_returnResult_impl },
|
|
#ifdef REMOVED
|
|
{ 3, BER_CLASS_CON, 3, BER_FLAGS_IMPLTAG, dissect_returnError_impl },
|
|
{ 4, BER_CLASS_CON, 4, BER_FLAGS_IMPLTAG, dissect_reject_impl },
|
|
#endif
|
|
{ 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static guint8 camel_pdu_type = 0;
|
|
static guint8 camel_pdu_size = 0;
|
|
|
|
static int
|
|
dissect_camel_camelPDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index) {
|
|
|
|
char *version_ptr;
|
|
|
|
opcode = 0;
|
|
application_context_version = 0;
|
|
if (pinfo->private_data != NULL){
|
|
version_ptr = strrchr(pinfo->private_data,'.');
|
|
if (version_ptr) {
|
|
application_context_version = atoi(version_ptr+1);
|
|
}
|
|
}
|
|
|
|
camel_pdu_type = tvb_get_guint8(tvb, offset)&0x0f;
|
|
/* Get the length and add 2 */
|
|
camel_pdu_size = tvb_get_guint8(tvb, offset+1)+2;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)){
|
|
/* Populate the info column with PDU type*/
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, val_to_str(camel_pdu_type, camelPDU_vals, "Unknown Camel (%u)"));
|
|
}
|
|
|
|
offset = dissect_ber_choice(pinfo, tree, tvb, offset,
|
|
camelPDU_choice, hf_index, ett_camel_camelPDU, NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static void
|
|
dissect_camel(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
if (check_col(pinfo->cinfo, COL_PROTOCOL)) {
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Camel");
|
|
}
|
|
|
|
/* create display subtree for the protocol */
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, proto_camel, tvb, 0, -1, FALSE);
|
|
tree = proto_item_add_subtree(item, ett_camel);
|
|
}
|
|
|
|
dissect_camel_camelPDU(FALSE, tvb, 0, pinfo, tree, -1);
|
|
|
|
}
|
|
|
|
/*--- proto_reg_handoff_camel ---------------------------------------*/
|
|
static void range_delete_callback(guint32 ssn)
|
|
{
|
|
if (ssn) {
|
|
dissector_delete("tcap.itu_ssn", ssn, camel_handle);
|
|
}
|
|
}
|
|
|
|
static void range_add_callback(guint32 ssn)
|
|
{
|
|
if (ssn) {
|
|
dissector_add("tcap.itu_ssn", ssn, camel_handle);
|
|
}
|
|
}
|
|
|
|
void proto_reg_handoff_camel(void) {
|
|
|
|
static int camel_prefs_initialized = FALSE;
|
|
|
|
if (!camel_prefs_initialized) {
|
|
camel_prefs_initialized = TRUE;
|
|
camel_handle = create_dissector_handle(dissect_camel, proto_camel);
|
|
} else {
|
|
range_foreach(ssn_range, range_delete_callback);
|
|
}
|
|
|
|
g_free(ssn_range);
|
|
ssn_range = range_copy(global_ssn_range);
|
|
|
|
range_foreach(ssn_range, range_add_callback);
|
|
|
|
}
|
|
|
|
void proto_register_camel(void) {
|
|
module_t *camel_module;
|
|
/* List of fields */
|
|
static hf_register_info hf[] = {
|
|
{ &hf_camel_cause_indicator, /* Currently not enabled */
|
|
{ "Cause indicator", "camel.cause_indicator",
|
|
FT_UINT8, BASE_DEC, VALS(q850_cause_code_vals), 0x7f,
|
|
"", HFILL }},
|
|
{ &hf_camel_invokeCmd,
|
|
{ "invokeCmd", "camel.invokeCmd",
|
|
FT_UINT32, BASE_DEC, VALS(camel_opr_code_strings), 0,
|
|
"InvokePDU/invokeCmd", HFILL }},
|
|
{ &hf_camel_invokeid,
|
|
{ "invokeid", "camel.invokeid",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"InvokeId/invokeid", HFILL }},
|
|
{ &hf_camel_linkedID,
|
|
{ "linkedid", "camel.linkedid",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"LinkedId/linkedid", HFILL }},
|
|
|
|
{ &hf_camel_absent,
|
|
{ "absent", "camel.absent",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"InvokeId/absent", HFILL }},
|
|
{ &hf_camel_invokeId,
|
|
{ "invokeId", "camel.invokeId",
|
|
FT_UINT32, BASE_DEC, VALS(InvokeId_vals), 0,
|
|
"InvokePDU/invokeId", HFILL }},
|
|
{ &hf_camel_invoke,
|
|
{ "invoke", "camel.invoke",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"camelPDU/invoke", HFILL }},
|
|
{ &hf_camel_returnResult,
|
|
{ "returnResult", "camel.returnResult",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"camelPDU/returnResult", HFILL }},
|
|
{ &hf_camel_imsi_digits,
|
|
{ "Imsi digits", "camel.imsi_digits",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
"Imsi digits", HFILL }},
|
|
{ &hf_camel_addr_extension,
|
|
{ "Extension", "camel.addr_extension",
|
|
FT_BOOLEAN, 8, TFS(&camel_extension_value), 0x80,
|
|
"Extension", HFILL }},
|
|
{ &hf_camel_addr_natureOfAddressIndicator,
|
|
{ "Nature of address", "camel.addr_nature_of_addr",
|
|
FT_UINT8, BASE_HEX, VALS(camel_nature_of_addr_indicator_values), 0x70,
|
|
"Nature of address", HFILL }},
|
|
{ &hf_camel_addr_numberingPlanInd,
|
|
{ "Numbering plan indicator", "camel.addr_numbering_plan",
|
|
FT_UINT8, BASE_HEX, VALS(camel_number_plan_values), 0x0f,
|
|
"Numbering plan indicator", HFILL }},
|
|
{ &hf_camel_addr_digits,
|
|
{ "Address digits", "camel.address_digits",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
"Address digits", HFILL }},
|
|
{ &hf_digit,
|
|
{ "Digit Value", "camel.digit_value",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(digit_value),
|
|
0, "", HFILL }},
|
|
#ifdef REMOVED
|
|
#endif
|
|
#include "packet-camel-hfarr.c"
|
|
};
|
|
|
|
/* List of subtrees */
|
|
static gint *ett[] = {
|
|
&ett_camel,
|
|
&ett_camel_InvokeId,
|
|
&ett_camel_InvokePDU,
|
|
&ett_camel_ReturnResultPDU,
|
|
&ett_camel_ReturnResult_result,
|
|
&ett_camel_camelPDU,
|
|
&ett_camelisup_parameter,
|
|
&ett_camel_addr,
|
|
#include "packet-camel-ettarr.c"
|
|
};
|
|
|
|
/* Register protocol */
|
|
proto_camel = proto_register_protocol(PNAME, PSNAME, PFNAME);
|
|
|
|
proto_register_field_array(proto_camel, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
register_ber_oid_dissector_handle("0.4.0.0.1.0.50.1",camel_handle, proto_camel, "itu-t(0) identified-organization(4) etsi(0) mobileDomain(0) gsm-Network|umts-Network(1) applicationContext(0) cap-gsmssf-to-gsmscf(50) version2(1)" );
|
|
register_ber_oid_dissector_handle("0.4.0.0.1.0.51.1",camel_handle, proto_camel, "itu-t(0) identified-organization(4) etsi(0) mobileDomain(0) gsm-Network|umts-Network(1) applicationContext(0) cap-assist-handoff-gsmssf-to-gsmscf(51) version2(1)" );
|
|
register_ber_oid_dissector_handle("0.4.0.0.1.0.52.1",camel_handle, proto_camel, "itu-t(0) identified-organization(4) etsi(0) mobileDomain(0) gsm-Network|umts-Network(1) applicationContext(0) cap-gsmSRF-to-gsmscf(52) version2(1)" );
|
|
|
|
/* Register our configuration options, particularly our ssn:s */
|
|
/* Set default SSNs */
|
|
range_convert_str(&global_ssn_range, "6-9", MAX_SSN);
|
|
ssn_range = range_empty();
|
|
|
|
camel_module = prefs_register_protocol(proto_camel, proto_reg_handoff_camel);
|
|
|
|
prefs_register_enum_preference(camel_module, "date.format", "Date Format",
|
|
"The date format: (DD/MM) or (MM/DD)",
|
|
&date_format, date_options, FALSE);
|
|
|
|
|
|
prefs_register_range_preference(camel_module, "tcap.ssn",
|
|
"TCAP SSNs",
|
|
"TCAP Subsystem numbers used for Camel",
|
|
&global_ssn_range, MAX_SSN);
|
|
}
|
|
|