213 lines
6.9 KiB
C
213 lines
6.9 KiB
C
|
/* packet-sbc-ap.c
|
||
|
* Routines for SBc Application Part (SBc-AP) packet dissection
|
||
|
*
|
||
|
* $Id: packet-sbc-ap-template.c
|
||
|
*
|
||
|
* 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 29.168
|
||
|
*/
|
||
|
|
||
|
#ifdef HAVE_CONFIG_H
|
||
|
# include "config.h"
|
||
|
#endif
|
||
|
|
||
|
#include <glib.h>
|
||
|
#include <epan/packet.h>
|
||
|
|
||
|
#include <stdio.h>
|
||
|
#include <string.h>
|
||
|
#include <epan/emem.h>
|
||
|
#include <epan/strutil.h>
|
||
|
#include <epan/asn1.h>
|
||
|
#include <epan/sctpppids.h>
|
||
|
|
||
|
#include "packet-ber.h"
|
||
|
#include "packet-per.h"
|
||
|
#include "packet-e212.h"
|
||
|
|
||
|
#define PNAME "SBc Application Part"
|
||
|
#define PSNAME "SBCAP"
|
||
|
#define PFNAME "sbcap"
|
||
|
|
||
|
/* The registered port number for SBc-AP is 29168.
|
||
|
* The registered payload protocol identifier for SBc-AP is 24.
|
||
|
*/
|
||
|
#define SBC_AP_PORT 29168
|
||
|
static dissector_handle_t sbc_ap_handle=NULL;
|
||
|
|
||
|
|
||
|
#include "packet-sbc-ap-val.h"
|
||
|
|
||
|
/* Initialize the protocol and registered fields */
|
||
|
static int proto_sbc_ap = -1;
|
||
|
|
||
|
#include "packet-sbc-ap-hf.c"
|
||
|
|
||
|
/* Initialize the subtree pointers */
|
||
|
static int ett_sbc_ap = -1;
|
||
|
|
||
|
#include "packet-sbc-ap-ett.c"
|
||
|
|
||
|
enum{
|
||
|
INITIATING_MESSAGE,
|
||
|
SUCCESSFUL_OUTCOME,
|
||
|
UNSUCCESSFUL_OUTCOME
|
||
|
};
|
||
|
|
||
|
/* Global variables */
|
||
|
static guint32 ProcedureCode;
|
||
|
static guint32 ProtocolIE_ID;
|
||
|
static guint32 ProtocolExtensionID;
|
||
|
static int global_sbc_ap_port = SBC_AP_PORT;
|
||
|
|
||
|
/* Dissector tables */
|
||
|
static dissector_table_t sbc_ap_ies_dissector_table;
|
||
|
static dissector_table_t sbc_ap_extension_dissector_table;
|
||
|
static dissector_table_t sbc_ap_proc_imsg_dissector_table;
|
||
|
static dissector_table_t sbc_ap_proc_sout_dissector_table;
|
||
|
static dissector_table_t sbc_ap_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-sbc-ap-fn.c"
|
||
|
|
||
|
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
||
|
{
|
||
|
return (dissector_try_uint(sbc_ap_ies_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
|
||
|
}
|
||
|
/* Currently not used
|
||
|
static int dissect_ProtocolIEFieldPairFirstValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
||
|
{
|
||
|
return (dissector_try_uint(sbc_ap_ies_p1_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
|
||
|
}
|
||
|
|
||
|
static int dissect_ProtocolIEFieldPairSecondValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
||
|
{
|
||
|
return (dissector_try_uint(sbc_ap_ies_p2_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_uint(sbc_ap_extension_dissector_table, ProtocolExtensionID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
|
||
|
}
|
||
|
|
||
|
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
||
|
{
|
||
|
return (dissector_try_uint(sbc_ap_proc_imsg_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
|
||
|
}
|
||
|
|
||
|
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
||
|
{
|
||
|
return (dissector_try_uint(sbc_ap_proc_sout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
|
||
|
}
|
||
|
|
||
|
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
||
|
{
|
||
|
return (dissector_try_uint(sbc_ap_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
|
||
|
}
|
||
|
|
||
|
|
||
|
static void
|
||
|
dissect_sbc_ap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
||
|
{
|
||
|
proto_item *sbc_ap_item = NULL;
|
||
|
proto_tree *sbc_ap_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, PNAME);
|
||
|
|
||
|
/* create the sbc_ap protocol tree */
|
||
|
if (tree) {
|
||
|
sbc_ap_item = proto_tree_add_item(tree, proto_sbc_ap, tvb, 0, -1, FALSE);
|
||
|
sbc_ap_tree = proto_item_add_subtree(sbc_ap_item, ett_sbc_ap);
|
||
|
|
||
|
dissect_SBC_AP_PDU_PDU(tvb, pinfo, sbc_ap_tree);
|
||
|
}
|
||
|
}
|
||
|
/*--- proto_register_sbc_ap -------------------------------------------*/
|
||
|
void proto_register_sbc_ap(void) {
|
||
|
|
||
|
/* List of fields */
|
||
|
static hf_register_info hf[] = {
|
||
|
|
||
|
#include "packet-sbc-ap-hfarr.c"
|
||
|
};
|
||
|
|
||
|
/* List of subtrees */
|
||
|
static gint *ett[] = {
|
||
|
&ett_sbc_ap,
|
||
|
#include "packet-sbc-ap-ettarr.c"
|
||
|
};
|
||
|
|
||
|
|
||
|
/* Register protocol */
|
||
|
proto_sbc_ap = proto_register_protocol(PNAME, PSNAME, PFNAME);
|
||
|
/* Register fields and subtrees */
|
||
|
proto_register_field_array(proto_sbc_ap, hf, array_length(hf));
|
||
|
proto_register_subtree_array(ett, array_length(ett));
|
||
|
|
||
|
|
||
|
/* Register dissector tables */
|
||
|
sbc_ap_ies_dissector_table = register_dissector_table("sbc_ap.ies", "SBC-AP-PROTOCOL-IES", FT_UINT32, BASE_DEC);
|
||
|
sbc_ap_extension_dissector_table = register_dissector_table("sbc_ap.extension", "SBC-AP-PROTOCOL-EXTENSION", FT_UINT32, BASE_DEC);
|
||
|
sbc_ap_proc_imsg_dissector_table = register_dissector_table("sbc_ap.proc.imsg", "SBC-AP-ELEMENTARY-PROCEDURE InitiatingMessage", FT_UINT32, BASE_DEC);
|
||
|
sbc_ap_proc_sout_dissector_table = register_dissector_table("sbc_ap.proc.sout", "SBC-AP-ELEMENTARY-PROCEDURE SuccessfulOutcome", FT_UINT32, BASE_DEC);
|
||
|
sbc_ap_proc_uout_dissector_table = register_dissector_table("sbc_ap.proc.uout", "SBC-AP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", FT_UINT32, BASE_DEC);
|
||
|
|
||
|
|
||
|
}
|
||
|
|
||
|
|
||
|
/*--- proto_reg_handoff_sbc_ap ---------------------------------------*/
|
||
|
void
|
||
|
proto_reg_handoff_sbc_ap(void)
|
||
|
{
|
||
|
static gboolean inited = FALSE;
|
||
|
static guint SctpPort;
|
||
|
|
||
|
if( !inited ) {
|
||
|
sbc_ap_handle = create_dissector_handle(dissect_sbc_ap, proto_sbc_ap);
|
||
|
dissector_add_uint("sctp.ppi", SBC_AP_PAYLOAD_PROTOCOL_ID, sbc_ap_handle);
|
||
|
inited = TRUE;
|
||
|
#include "packet-sbc-ap-dis-tab.c"
|
||
|
} else {
|
||
|
if (SctpPort != 0) {
|
||
|
dissector_delete_uint("sctp.port", SctpPort, sbc_ap_handle);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
SctpPort = global_sbc_ap_port;
|
||
|
if (SctpPort != 0) {
|
||
|
dissector_add_uint("sctp.port", SctpPort, sbc_ap_handle);
|
||
|
}
|
||
|
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|