forked from osmocom/wireshark
156 lines
4.0 KiB
C
156 lines
4.0 KiB
C
/* packet-ulp.c
|
|
* Routines for OMA UserPlane Location Protocol packet dissection
|
|
* Copyright 2006, 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 OMA-TS-ULP-V1_0-20060127-C
|
|
* http://www.openmobilealliance.org
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include <glib.h>
|
|
#include <epan/packet.h>
|
|
#include <epan/conversation.h>
|
|
#include <epan/prefs.h>
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "packet-ulp.h"
|
|
|
|
#include "packet-ber.h"
|
|
#include "packet-per.h"
|
|
#include <epan/emem.h>
|
|
#include "packet-tcp.h"
|
|
|
|
#define PNAME "OMA UserPlane Location Protocol"
|
|
#define PSNAME "ULP"
|
|
#define PFNAME "ulp"
|
|
|
|
static dissector_handle_t ulp_handle=NULL;
|
|
static dissector_handle_t rrlp_handle;
|
|
|
|
/* IANA Registered Ports
|
|
* oma-ulp 7275/tcp OMA UserPlane Location
|
|
* oma-ulp 7275/udp OMA UserPlane Location
|
|
*/
|
|
guint gbl_ulp_port = 7275;
|
|
|
|
/* Initialize the protocol and registered fields */
|
|
static int proto_ulp = -1;
|
|
|
|
|
|
#define ULP_HEADER_SIZE 2
|
|
|
|
gboolean ulp_desegment = TRUE;
|
|
|
|
#include "packet-ulp-hf.c"
|
|
|
|
/* Initialize the subtree pointers */
|
|
static gint ett_ulp = -1;
|
|
#include "packet-ulp-ett.c"
|
|
|
|
/* Include constants */
|
|
#include "packet-ulp-val.h"
|
|
|
|
|
|
#include "packet-ulp-fn.c"
|
|
|
|
|
|
static guint
|
|
get_ulp_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset)
|
|
{
|
|
/* PDU length = Message length */
|
|
return tvb_get_ntohs(tvb,offset);
|
|
}
|
|
|
|
static void
|
|
dissect_ulp_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
tcp_dissect_pdus(tvb, pinfo, tree, ulp_desegment, ULP_HEADER_SIZE,
|
|
get_ulp_pdu_len, dissect_ULP_PDU_PDU);
|
|
}
|
|
/*--- proto_reg_handoff_ulp ---------------------------------------*/
|
|
void
|
|
proto_reg_handoff_ulp(void)
|
|
{
|
|
|
|
ulp_handle = create_dissector_handle(dissect_ulp_tcp, proto_ulp);
|
|
|
|
dissector_add("tcp.port", gbl_ulp_port, ulp_handle);
|
|
|
|
/* application/oma-supl-ulp */
|
|
dissector_add_string("media_type","application/oma-supl-ulp", ulp_handle);
|
|
|
|
rrlp_handle = find_dissector("rrlp");
|
|
|
|
}
|
|
|
|
|
|
/*--- proto_register_ulp -------------------------------------------*/
|
|
void proto_register_ulp(void) {
|
|
|
|
/* List of fields */
|
|
static hf_register_info hf[] = {
|
|
|
|
#include "packet-ulp-hfarr.c"
|
|
};
|
|
|
|
/* List of subtrees */
|
|
static gint *ett[] = {
|
|
&ett_ulp,
|
|
#include "packet-ulp-ettarr.c"
|
|
};
|
|
|
|
module_t *ulp_module;
|
|
|
|
|
|
/* Register protocol */
|
|
proto_ulp = proto_register_protocol(PNAME, PSNAME, PFNAME);
|
|
/* Register fields and subtrees */
|
|
proto_register_field_array(proto_ulp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
ulp_module = prefs_register_protocol(proto_ulp,proto_reg_handoff_ulp);
|
|
|
|
prefs_register_bool_preference(ulp_module, "desegment_ulp_messages",
|
|
"Reassemble ULP messages spanning multiple TCP segments",
|
|
"Whether the ULP dissector should reassemble messages spanning multiple TCP segments."
|
|
" To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
|
|
&ulp_desegment);
|
|
|
|
/* Register a configuration option for port */
|
|
prefs_register_uint_preference(ulp_module, "tcp.port",
|
|
"ULP TCP Port",
|
|
"Set the TCP port for Ulp messages(IANA registerd port is 7275)",
|
|
10,
|
|
&gbl_ulp_port);
|
|
|
|
}
|
|
|
|
|
|
|
|
|