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/* packet-rua-template.c
* Routines for UMTS Home Node B RANAP User Adaptation (RUA) packet dissection
* Copyright 2010 Neil Piercy, ip.access Limited <Neil.Piercy@ipaccess.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Ref: 3GPP TS 25.468 version 8.1.0 Release 8
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/sctpppids.h>
#include <epan/asn1.h>
#include <epan/prefs.h>
#include "packet-per.h"
#ifdef _MSC_VER
/* disable: "warning C4146: unary minus operator applied to unsigned type, result still unsigned" */
#pragma warning(disable:4146)
#endif
#define PNAME "UTRAN Iuh interface RUA signalling"
#define PSNAME "RUA"
#define PFNAME "rua"
/* Dissector to use SCTP PPID 19 or a configured SCTP port. IANA assigned port = 29169*/
#define SCTP_PORT_RUA 29169;
void proto_register_rua(void);
#include "packet-rua-val.h"
/* Initialize the protocol and registered fields */
static int proto_rua = -1;
#include "packet-rua-hf.c"
/* Initialize the subtree pointers */
static int ett_rua = -1;
/* initialise sub-dissector handles */
static dissector_handle_t ranap_handle = NULL;
#include "packet-rua-ett.c"
/* Global variables */
static guint32 ProcedureCode;
static guint32 ProtocolIE_ID;
static guint global_sctp_port = SCTP_PORT_RUA
/* Dissector tables */
static dissector_table_t rua_ies_dissector_table;
static dissector_table_t rua_extension_dissector_table;
static dissector_table_t rua_proc_imsg_dissector_table;
static dissector_table_t rua_proc_sout_dissector_table;
static dissector_table_t rua_proc_uout_dissector_table;
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
void proto_reg_handoff_rua(void);
#include "packet-rua-fn.c"
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint_new(rua_ies_dissector_table, ProtocolIE_ID, tvb, pinfo, tree, FALSE, NULL)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint_new(rua_extension_dissector_table, ProtocolIE_ID, tvb, pinfo, tree, FALSE, NULL)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint_new(rua_proc_imsg_dissector_table, ProcedureCode, tvb, pinfo, tree, FALSE, NULL)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint_new(rua_proc_sout_dissector_table, ProcedureCode, tvb, pinfo, tree, FALSE, NULL)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint_new(rua_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree, FALSE, NULL)) ? tvb_captured_length(tvb) : 0;
}
static int
dissect_rua(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
proto_item *rua_item = NULL;
proto_tree *rua_tree = NULL;
/* make entry in the Protocol column on summary display */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "RUA");
/* create the rua protocol tree */
rua_item = proto_tree_add_item(tree, proto_rua, tvb, 0, -1, ENC_NA);
rua_tree = proto_item_add_subtree(rua_item, ett_rua);
return dissect_RUA_PDU_PDU(tvb, pinfo, rua_tree, data);
}
/*--- proto_register_rua -------------------------------------------*/
void proto_register_rua(void) {
module_t *rua_module;
/* List of fields */
static hf_register_info hf[] = {
#include "packet-rua-hfarr.c"
};
/* List of subtrees */
static gint *ett[] = {
&ett_rua,
#include "packet-rua-ettarr.c"
};
/* Register protocol */
proto_rua = proto_register_protocol(PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array(proto_rua, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
/* Register dissector */
register_dissector("rua", dissect_rua, proto_rua);
/* Register dissector tables */
rua_ies_dissector_table = register_dissector_table("rua.ies", "RUA-PROTOCOL-IES", proto_rua, FT_UINT32, BASE_DEC, DISSECTOR_TABLE_ALLOW_DUPLICATE);
rua_extension_dissector_table = register_dissector_table("rua.extension", "RUA-PROTOCOL-EXTENSION", proto_rua, FT_UINT32, BASE_DEC, DISSECTOR_TABLE_ALLOW_DUPLICATE);
rua_proc_imsg_dissector_table = register_dissector_table("rua.proc.imsg", "RUA-ELEMENTARY-PROCEDURE InitiatingMessage", proto_rua, FT_UINT32, BASE_DEC, DISSECTOR_TABLE_ALLOW_DUPLICATE);
rua_proc_sout_dissector_table = register_dissector_table("rua.proc.sout", "RUA-ELEMENTARY-PROCEDURE SuccessfulOutcome", proto_rua, FT_UINT32, BASE_DEC, DISSECTOR_TABLE_ALLOW_DUPLICATE);
rua_proc_uout_dissector_table = register_dissector_table("rua.proc.uout", "RUA-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", proto_rua, FT_UINT32, BASE_DEC, DISSECTOR_TABLE_ALLOW_DUPLICATE);
rua_module = prefs_register_protocol(proto_rua, proto_reg_handoff_rua);
prefs_register_uint_preference(rua_module, "port", "RUA SCTP Port", "Set the port for RUA messages (Default of 29169)", 10, &global_sctp_port);
}
/*--- proto_reg_handoff_rua ---------------------------------------*/
void
proto_reg_handoff_rua(void)
{
static gboolean initialized = FALSE;
static dissector_handle_t rua_handle;
static guint sctp_port;
if (!initialized) {
rua_handle = find_dissector("rua");
ranap_handle = find_dissector("ranap");
dissector_add_uint("sctp.ppi", RUA_PAYLOAD_PROTOCOL_ID, rua_handle);
initialized = TRUE;
#include "packet-rua-dis-tab.c"
} else {
dissector_delete_uint("sctp.port", sctp_port, rua_handle);
}
/* Set our port number for future use */
sctp_port = global_sctp_port;
dissector_add_uint("sctp.port", sctp_port, rua_handle);
}
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