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/* packet-nbap.c
* Routines for UMTS Node B Application Part(NBAP) packet dissection
* Copyright 2005, Anders Broman <anders.broman@ericsson.com>
*
* $Id$
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Ref: 3GPP TS 25.433 version 6.6.0 Release 6
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <glib.h>
#include <epan/packet.h>
#include <epan/conversation.h>
#include <stdio.h>
#include <string.h>
#include <epan/asn1.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 Iub interface NBAP signalling"
#define PSNAME "NBAP"
#define PFNAME "nbap"
#include "packet-nbap-val.h"
static dissector_handle_t nbap_handle = NULL;
/* Initialize the protocol and registered fields */
static int proto_nbap = -1;
#include "packet-nbap-hf.c"
/* Initialize the subtree pointers */
static int ett_nbap = -1;
#include "packet-nbap-ett.c"
/* Global variables */
static guint32 ProcedureCode;
static guint32 ProtocolIE_ID;
static guint32 ddMode;
static const gchar *ProcedureID;
/* Dissector tables */
static dissector_table_t nbap_ies_dissector_table;
static dissector_table_t nbap_extension_dissector_table;
static dissector_table_t nbap_proc_imsg_dissector_table;
static dissector_table_t nbap_proc_sout_dissector_table;
static dissector_table_t nbap_proc_uout_dissector_table;
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
#include "packet-nbap-fn.c"
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
return (dissector_try_port(nbap_ies_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
}
static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
return (dissector_try_port(nbap_extension_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
}
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
if (!ProcedureID) return 0;
return (dissector_try_string(nbap_proc_imsg_dissector_table, ProcedureID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
}
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
if (!ProcedureID) return 0;
return (dissector_try_string(nbap_proc_sout_dissector_table, ProcedureID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
}
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
if (!ProcedureID) return 0;
return (dissector_try_string(nbap_proc_uout_dissector_table, ProcedureID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
}
static void
dissect_nbap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
proto_item *nbap_item = NULL;
proto_tree *nbap_tree = NULL;
/* make entry in the Protocol column on summary display */
if (check_col(pinfo->cinfo, COL_PROTOCOL))
col_set_str(pinfo->cinfo, COL_PROTOCOL, "NBAP");
/* create the nbap protocol tree */
nbap_item = proto_tree_add_item(tree, proto_nbap, tvb, 0, -1, FALSE);
nbap_tree = proto_item_add_subtree(nbap_item, ett_nbap);
dissect_NBAP_PDU_PDU(tvb, pinfo, nbap_tree);
}
/*--- proto_register_nbap -------------------------------------------*/
void proto_register_nbap(void) {
/* List of fields */
static hf_register_info hf[] = {
#include "packet-nbap-hfarr.c"
};
/* List of subtrees */
static gint *ett[] = {
&ett_nbap,
#include "packet-nbap-ettarr.c"
};
/* Register protocol */
proto_nbap = proto_register_protocol(PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array(proto_nbap, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
/* Register dissector */
register_dissector("nbap", dissect_nbap, proto_nbap);
nbap_handle = find_dissector("nbap");
/* Register dissector tables */
nbap_ies_dissector_table = register_dissector_table("nbap.ies", "NBAP-PROTOCOL-IES", FT_UINT32, BASE_DEC);
nbap_extension_dissector_table = register_dissector_table("nbap.extension", "NBAP-PROTOCOL-EXTENSION", FT_UINT32, BASE_DEC);
nbap_proc_imsg_dissector_table = register_dissector_table("nbap.proc.imsg", "NBAP-ELEMENTARY-PROCEDURE InitiatingMessage", FT_STRING, BASE_NONE);
nbap_proc_sout_dissector_table = register_dissector_table("nbap.proc.sout", "NBAP-ELEMENTARY-PROCEDURE SuccessfulOutcome", FT_STRING, BASE_NONE);
nbap_proc_uout_dissector_table = register_dissector_table("nbap.proc.uout", "NBAP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", FT_STRING, BASE_NONE);
}
/*--- proto_reg_handoff_nbap ---------------------------------------*/
void
proto_reg_handoff_nbap(void)
{
/*dissector_add("sctp.ppi", Add ppid here, nbap_handle); */
dissector_add("sctp.port", 0, nbap_handle);
#include "packet-nbap-dis-tab.c"
}
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