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/* packet-h501.c
* Routines for H.501 packet dissection
* 2007 Tomas Kukosa
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/prefs.h>
#include <epan/oids.h>
#include <epan/asn1.h>
#include <wsutil/array.h>
#include "packet-tpkt.h"
#include "packet-per.h"
#include "packet-h225.h"
#include "packet-h235.h"
#define PNAME "H.501 Mobility"
#define PSNAME "H.501"
#define PFNAME "h501"
void proto_register_h501(void);
/* Initialize the protocol and registered fields */
static int proto_h501;
#include "packet-h501-hf.c"
/* Initialize the subtree pointers */
static int ett_h501;
#include "packet-h501-ett.c"
/* Dissectors */
static dissector_handle_t h501_pdu_handle;
static dissector_handle_t h501_udp_handle;
static dissector_handle_t h501_tcp_handle;
/* Preferences */
#define H501_PORT 2099
static bool h501_desegment_tcp = true;
void proto_reg_handoff_h501(void);
#include "packet-h501-fn.c"
static int
dissect_h501_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
proto_item *ti = NULL;
proto_tree *h501_tree = NULL;
col_set_str(pinfo->cinfo, COL_PROTOCOL, PSNAME);
ti = proto_tree_add_item(tree, proto_h501, tvb, 0, -1, ENC_NA);
h501_tree = proto_item_add_subtree(ti, ett_h501);
return dissect_Message_PDU(tvb, pinfo, h501_tree, NULL);
}
static int
dissect_h501_udp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
dissect_tpkt_encap(tvb, pinfo, tree, false, h501_pdu_handle);
return tvb_captured_length(tvb);
}
static int
dissect_h501_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
dissect_tpkt_encap(tvb, pinfo, tree, h501_desegment_tcp, h501_pdu_handle);
return tvb_captured_length(tvb);
}
/*--- proto_register_h501 ----------------------------------------------*/
void proto_register_h501(void) {
module_t *h501_module;
/* List of fields */
static hf_register_info hf[] = {
#include "packet-h501-hfarr.c"
};
/* List of subtrees */
static int *ett[] = {
&ett_h501,
#include "packet-h501-ettarr.c"
};
/* Register protocol */
proto_h501 = proto_register_protocol(PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array(proto_h501, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
/* Register dissectors */
h501_pdu_handle = register_dissector(PFNAME, dissect_h501_pdu, proto_h501);
h501_udp_handle = register_dissector(PFNAME ".udp", dissect_h501_udp, proto_h501);
h501_tcp_handle = register_dissector(PFNAME ".tcp", dissect_h501_tcp, proto_h501);
/* Register dissection preferences */
h501_module = prefs_register_protocol(proto_h501, NULL);
prefs_register_bool_preference(h501_module, "desegment",
"Desegment H.501 over TCP",
"Desegment H.501 messages that span more TCP segments",
&h501_desegment_tcp);
}
/*--- proto_reg_handoff_h501 -------------------------------------------*/
void proto_reg_handoff_h501(void)
{
dissector_add_uint_with_preference("tcp.port", H501_PORT, h501_tcp_handle);
dissector_add_uint_with_preference("udp.port", H501_PORT, h501_udp_handle);
}
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