forked from osmocom/wireshark
193 lines
6.8 KiB
C
193 lines
6.8 KiB
C
/* packet-rua-template.c
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* Routines for UMTS Home Node B RANAP User Adaptation (RUA) packet dissection
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* Copyright 2010 Neil Piercy, ip.access Limited <Neil.Piercy@ipaccess.com>
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*
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* $Id$
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* Ref: 3GPP TS 25.468 version 8.1.0 Release 8
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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 <string.h>
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#include <epan/packet.h>
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#include <epan/sctpppids.h>
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#include <epan/asn1.h>
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#include <epan/prefs.h>
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#include "packet-per.h"
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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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#define PNAME "UTRAN Iuh interface RUA signalling"
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#define PSNAME "RUA"
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#define PFNAME "rua"
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/* Dissector to use SCTP PPID 19 or a configured SCTP port. IANA assigned port = 29169*/
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#define SCTP_PORT_RUA 29169;
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#include "packet-rua-val.h"
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/* Initialize the protocol and registered fields */
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static int proto_rua = -1;
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#include "packet-rua-hf.c"
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/* Initialize the subtree pointers */
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static int ett_rua = -1;
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/* initialise sub-dissector handles */
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static dissector_handle_t ranap_handle = NULL;
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#include "packet-rua-ett.c"
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/* Global variables */
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static guint32 ProcedureCode;
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static guint32 ProtocolIE_ID;
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static guint global_sctp_port = SCTP_PORT_RUA;
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/* Dissector tables */
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static dissector_table_t rua_ies_dissector_table;
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static dissector_table_t rua_extension_dissector_table;
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static dissector_table_t rua_proc_imsg_dissector_table;
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static dissector_table_t rua_proc_sout_dissector_table;
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static dissector_table_t rua_proc_uout_dissector_table;
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static int dissect_ProtocolIEFieldValue(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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void proto_reg_handoff_rua(void);
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#include "packet-rua-fn.c"
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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_uint_new(rua_ies_dissector_table, ProtocolIE_ID, tvb, pinfo, tree, FALSE)) ? tvb_length(tvb) : 0;
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}
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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_uint_new(rua_extension_dissector_table, ProtocolIE_ID, tvb, pinfo, tree, FALSE)) ? tvb_length(tvb) : 0;
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}
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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_uint_new(rua_proc_imsg_dissector_table, ProcedureCode, tvb, pinfo, tree, FALSE)) ? tvb_length(tvb) : 0;
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}
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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_uint_new(rua_proc_sout_dissector_table, ProcedureCode, tvb, pinfo, tree, FALSE)) ? tvb_length(tvb) : 0;
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}
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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_uint_new(rua_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree, FALSE)) ? tvb_length(tvb) : 0;
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}
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static void
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dissect_rua(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_item *rua_item = NULL;
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proto_tree *rua_tree = NULL;
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/* make entry in the Protocol column on summary display */
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "RUA");
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/* create the rua protocol tree */
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rua_item = proto_tree_add_item(tree, proto_rua, tvb, 0, -1, FALSE);
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rua_tree = proto_item_add_subtree(rua_item, ett_rua);
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dissect_RUA_PDU_PDU(tvb, pinfo, rua_tree);
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}
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/*--- proto_register_rua -------------------------------------------*/
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void proto_register_rua(void) {
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module_t *rua_module;
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/* List of fields */
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static hf_register_info hf[] = {
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#include "packet-rua-hfarr.c"
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};
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/* List of subtrees */
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static gint *ett[] = {
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&ett_rua,
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#include "packet-rua-ettarr.c"
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};
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/* Register protocol */
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proto_rua = proto_register_protocol(PNAME, PSNAME, PFNAME);
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/* Register fields and subtrees */
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proto_register_field_array(proto_rua, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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/* Register dissector */
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register_dissector("rua", dissect_rua, proto_rua);
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/* Register dissector tables */
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rua_ies_dissector_table = register_dissector_table("rua.ies", "RUA-PROTOCOL-IES", FT_UINT32, BASE_DEC);
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rua_extension_dissector_table = register_dissector_table("rua.extension", "RUA-PROTOCOL-EXTENSION", FT_UINT32, BASE_DEC);
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rua_proc_imsg_dissector_table = register_dissector_table("rua.proc.imsg", "RUA-ELEMENTARY-PROCEDURE InitiatingMessage", FT_UINT32, BASE_DEC);
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rua_proc_sout_dissector_table = register_dissector_table("rua.proc.sout", "RUA-ELEMENTARY-PROCEDURE SuccessfulOutcome", FT_UINT32, BASE_DEC);
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rua_proc_uout_dissector_table = register_dissector_table("rua.proc.uout", "RUA-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", FT_UINT32, BASE_DEC);
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rua_module = prefs_register_protocol(proto_rua, proto_reg_handoff_rua);
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prefs_register_uint_preference(rua_module, "port", "RUA SCTP Port", "Set the port for RUA messages (Default of 29169)", 10, &global_sctp_port);
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}
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/*--- proto_reg_handoff_rua ---------------------------------------*/
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void
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proto_reg_handoff_rua(void)
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{
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static gboolean initialized = FALSE;
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static dissector_handle_t rua_handle;
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static guint sctp_port;
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if (!initialized) {
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rua_handle = find_dissector("rua");
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ranap_handle = find_dissector("ranap");
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dissector_add_uint("sctp.ppi", RUA_PAYLOAD_PROTOCOL_ID, rua_handle);
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initialized = TRUE;
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#include "packet-rua-dis-tab.c"
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} else {
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dissector_delete_uint("sctp.port", sctp_port, rua_handle);
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}
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/* Set our port number for future use */
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sctp_port = global_sctp_port;
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dissector_add_uint("sctp.port", sctp_port, rua_handle);
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}
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