2007-08-29 11:57:27 +00:00
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/* packet-ranap.c
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* Routines for UMTS Node B Application Part(RANAP) packet dissection
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2008-07-26 02:04:19 +00:00
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* Copyright 2005, Anders Broman <anders.broman[AT]ericsson.com>
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2007-08-29 11:57:27 +00:00
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*
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* $Id$
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2005-10-10 20:42:58 +00:00
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*
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2006-05-21 05:12:17 +00:00
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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2005-10-10 20:42:58 +00:00
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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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2007-08-29 11:57:27 +00:00
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*
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2005-10-10 20:42:58 +00:00
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* References: 3GPP TS 25.413 version 6.6.0 Release
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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/conversation.h>
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#include <stdio.h>
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#include <string.h>
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2007-08-29 11:57:27 +00:00
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#include <epan/emem.h>
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#include <epan/strutil.h>
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#include <epan/asn1.h>
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2008-07-26 02:04:19 +00:00
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#include <epan/prefs.h>
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2005-10-10 20:42:58 +00:00
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#include "packet-ber.h"
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#include "packet-per.h"
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2007-09-03 16:40:51 +00:00
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#include "packet-gsm_map.h"
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2005-10-10 20:42:58 +00:00
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#include "packet-ranap.h"
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2006-01-26 06:54:52 +00:00
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#include "packet-e212.h"
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2007-03-21 00:43:05 +00:00
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#include "packet-sccp.h"
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2005-10-10 20:42:58 +00:00
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2007-08-29 11:57:27 +00:00
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#ifdef _MSC_VER
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/* disable: "warning C4146: unary minus operator applied to unsigned type, result still unsigned" */
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#pragma warning(disable:4146)
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#endif
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2005-10-10 20:42:58 +00:00
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2008-07-26 02:04:19 +00:00
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#define SCCP_SSN_RANAP 142
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2005-10-10 20:42:58 +00:00
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#define PNAME "Radio Access Network Application Part"
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#define PSNAME "RANAP"
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#define PFNAME "ranap"
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2007-08-29 11:57:27 +00:00
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#include "packet-ranap-val.h"
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2005-10-10 20:42:58 +00:00
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2007-08-29 11:57:27 +00:00
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static dissector_handle_t ranap_handle = NULL;
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2005-10-10 20:42:58 +00:00
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/* Initialize the protocol and registered fields */
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2007-08-29 11:57:27 +00:00
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static int proto_ranap = -1;
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2005-10-10 20:42:58 +00:00
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2007-09-03 16:40:51 +00:00
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static int hf_ranap_imsi_digits = -1;
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2005-10-10 20:42:58 +00:00
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#include "packet-ranap-hf.c"
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/* Initialize the subtree pointers */
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2006-01-26 06:54:52 +00:00
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static int ett_ranap = -1;
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2005-10-10 20:42:58 +00:00
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2007-08-29 11:57:27 +00:00
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#include "packet-ranap-ett.c"
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2005-10-10 20:42:58 +00:00
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/* Global variables */
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2005-10-25 18:38:47 +00:00
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static guint32 ProcedureCode;
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static guint32 ProtocolIE_ID;
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2007-08-29 11:57:27 +00:00
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static guint32 ProtocolExtensionID;
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2008-07-26 02:04:19 +00:00
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/* Initialise the Preferences */
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static gint global_ranap_sccp_ssn = SCCP_SSN_RANAP;
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2007-08-29 11:57:27 +00:00
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/* Dissector tables */
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static dissector_table_t ranap_ies_dissector_table;
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static dissector_table_t ranap_ies_p1_dissector_table;
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static dissector_table_t ranap_ies_p2_dissector_table;
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static dissector_table_t ranap_extension_dissector_table;
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static dissector_table_t ranap_proc_imsg_dissector_table;
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static dissector_table_t ranap_proc_sout_dissector_table;
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static dissector_table_t ranap_proc_uout_dissector_table;
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static dissector_table_t ranap_proc_out_dissector_table;
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static dissector_table_t nas_pdu_dissector_table;
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2005-10-10 20:42:58 +00:00
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2007-08-29 11:57:27 +00:00
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static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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static int dissect_ProtocolIEFieldPairFirstValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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static int dissect_ProtocolIEFieldPairSecondValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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static int dissect_OutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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2008-07-26 02:04:19 +00:00
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void proto_reg_handoff_ranap(void);
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2007-03-21 00:43:05 +00:00
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2005-10-10 20:42:58 +00:00
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#include "packet-ranap-fn.c"
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2007-08-29 11:57:27 +00:00
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static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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return (dissector_try_port(ranap_ies_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
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2005-10-10 20:42:58 +00:00
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}
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2007-08-29 11:57:27 +00:00
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static int dissect_ProtocolIEFieldPairFirstValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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return (dissector_try_port(ranap_ies_p1_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
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2005-10-10 20:42:58 +00:00
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}
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2007-08-29 11:57:27 +00:00
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static int dissect_ProtocolIEFieldPairSecondValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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return (dissector_try_port(ranap_ies_p2_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
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2005-10-10 20:42:58 +00:00
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}
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2007-08-29 11:57:27 +00:00
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static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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return (dissector_try_port(ranap_extension_dissector_table, ProtocolExtensionID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
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}
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2005-10-10 20:42:58 +00:00
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2007-08-29 11:57:27 +00:00
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static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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return (dissector_try_port(ranap_proc_imsg_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
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}
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2005-10-10 20:42:58 +00:00
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2007-08-29 11:57:27 +00:00
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static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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return (dissector_try_port(ranap_proc_sout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
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2005-10-10 20:42:58 +00:00
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}
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2007-08-29 11:57:27 +00:00
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static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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return (dissector_try_port(ranap_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
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}
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2005-10-10 20:42:58 +00:00
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2007-08-29 11:57:27 +00:00
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static int dissect_OutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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return (dissector_try_port(ranap_proc_out_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
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}
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2005-10-10 20:42:58 +00:00
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static void
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dissect_ranap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_item *ranap_item = NULL;
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proto_tree *ranap_tree = NULL;
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/* make entry in the Protocol column on summary display */
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if (check_col(pinfo->cinfo, COL_PROTOCOL))
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "RANAP");
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2007-08-29 11:57:27 +00:00
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/* create the ranap protocol tree */
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ranap_item = proto_tree_add_item(tree, proto_ranap, tvb, 0, -1, FALSE);
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ranap_tree = proto_item_add_subtree(ranap_item, ett_ranap);
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2008-07-26 02:04:19 +00:00
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2007-08-29 11:57:27 +00:00
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dissect_RANAP_PDU_PDU(tvb, pinfo, ranap_tree);
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2007-03-21 00:43:05 +00:00
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if (pinfo->sccp_info) {
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sccp_msg_info_t* sccp_msg = pinfo->sccp_info;
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2008-07-26 02:04:19 +00:00
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2007-03-27 23:00:55 +00:00
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if (sccp_msg->data.co.assoc)
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sccp_msg->data.co.assoc->payload = SCCP_PLOAD_RANAP;
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2008-07-26 02:04:19 +00:00
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2007-03-27 23:00:55 +00:00
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if (! sccp_msg->data.co.label && ProcedureCode != 0xFFFFFFFF) {
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2007-03-25 21:59:16 +00:00
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const gchar* str = val_to_str(ProcedureCode, ranap_ProcedureCode_vals,"Unknown RANAP");
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2007-03-27 23:00:55 +00:00
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sccp_msg->data.co.label = se_strdup(str);
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2007-03-21 00:43:05 +00:00
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}
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}
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2005-10-10 20:42:58 +00:00
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}
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/*--- proto_register_ranap -------------------------------------------*/
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void proto_register_ranap(void) {
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2008-07-26 02:04:19 +00:00
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module_t *ranap_module;
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2005-10-10 20:42:58 +00:00
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/* List of fields */
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2007-08-29 11:57:27 +00:00
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static hf_register_info hf[] = {
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2007-09-03 16:40:51 +00:00
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{ &hf_ranap_imsi_digits,
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{ "IMSI digits", "ranap.imsi_digits",
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FT_STRING, BASE_NONE, NULL, 0,
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"IMSI digits", HFILL }},
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2005-10-10 20:42:58 +00:00
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#include "packet-ranap-hfarr.c"
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};
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/* List of subtrees */
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static gint *ett[] = {
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2007-08-29 11:57:27 +00:00
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&ett_ranap,
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2005-10-10 20:42:58 +00:00
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#include "packet-ranap-ettarr.c"
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};
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2007-08-29 11:57:27 +00:00
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2005-10-10 20:42:58 +00:00
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/* Register protocol */
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2007-08-29 11:57:27 +00:00
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proto_ranap = proto_register_protocol(PNAME, PSNAME, PFNAME);
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2005-10-10 20:42:58 +00:00
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/* Register fields and subtrees */
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proto_register_field_array(proto_ranap, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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2008-07-26 02:04:19 +00:00
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2007-08-29 11:57:27 +00:00
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/* Register dissector */
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2005-10-10 20:42:58 +00:00
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register_dissector("ranap", dissect_ranap, proto_ranap);
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2007-08-29 11:57:27 +00:00
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ranap_handle = find_dissector("ranap");
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/* Register dissector tables */
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ranap_ies_dissector_table = register_dissector_table("ranap.ies", "RANAP-PROTOCOL-IES", FT_UINT32, BASE_DEC);
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ranap_ies_p1_dissector_table = register_dissector_table("ranap.ies.pair.first", "RANAP-PROTOCOL-IES-PAIR FirstValue", FT_UINT32, BASE_DEC);
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ranap_ies_p2_dissector_table = register_dissector_table("ranap.ies.pair.second", "RANAP-PROTOCOL-IES-PAIR SecondValue", FT_UINT32, BASE_DEC);
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ranap_extension_dissector_table = register_dissector_table("ranap.extension", "RANAP-PROTOCOL-EXTENSION", FT_UINT32, BASE_DEC);
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ranap_proc_imsg_dissector_table = register_dissector_table("ranap.proc.imsg", "RANAP-ELEMENTARY-PROCEDURE InitiatingMessage", FT_UINT32, BASE_DEC);
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ranap_proc_sout_dissector_table = register_dissector_table("ranap.proc.sout", "RANAP-ELEMENTARY-PROCEDURE SuccessfulOutcome", FT_UINT32, BASE_DEC);
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ranap_proc_uout_dissector_table = register_dissector_table("ranap.proc.uout", "RANAP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", FT_UINT32, BASE_DEC);
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ranap_proc_out_dissector_table = register_dissector_table("ranap.proc.out", "RANAP-ELEMENTARY-PROCEDURE Outcome", FT_UINT32, BASE_DEC);
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2005-10-10 20:42:58 +00:00
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nas_pdu_dissector_table = register_dissector_table("ranap.nas_pdu", "RANAP NAS PDU", FT_UINT8, BASE_DEC);
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2008-07-26 02:04:19 +00:00
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ranap_module = prefs_register_protocol(proto_ranap, proto_reg_handoff_ranap);
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prefs_register_uint_preference(ranap_module, "sccp_ssn", "SCCP SSN for RANAP",
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"The SCCP SubSystem Number for RANAP (default 142)", 10,
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&global_ranap_sccp_ssn);
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2007-08-29 11:57:27 +00:00
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}
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/*--- proto_reg_handoff_ranap ---------------------------------------*/
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void
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proto_reg_handoff_ranap(void)
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{
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2008-07-26 02:04:19 +00:00
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static int initialized = FALSE;
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static gint local_ranap_sccp_ssn;
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if (!initialized) {
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initialized = TRUE;
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} else {
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dissector_delete("sccp.ssn", local_ranap_sccp_ssn, ranap_handle);
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}
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2007-08-29 11:57:27 +00:00
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2008-07-26 02:04:19 +00:00
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dissector_add("sccp.ssn", global_ranap_sccp_ssn, ranap_handle);
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local_ranap_sccp_ssn = global_ranap_sccp_ssn;
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2005-10-10 20:42:58 +00:00
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2007-08-29 11:57:27 +00:00
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#include "packet-ranap-dis-tab.c"
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2005-10-10 20:42:58 +00:00
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}
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