135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/* packet-ilp.c
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* Routines for OMA Internal Location Protocol packet dissection
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* Copyright 2006, e.yimjia <jy.m12.0@gmail.com>
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* Copyright 2019, Pascal Quantin <pascal@wireshark.org>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* ref OMA-TS-ILP-V2_0_4-20181213-A
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* http://www.openmobilealliance.org
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/prefs.h>
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#include <epan/asn1.h>
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#include "packet-per.h"
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#include "packet-tcp.h"
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#include "packet-gsm_map.h"
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#include "packet-e164.h"
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#include "packet-e212.h"
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#define PNAME "OMA Internal Location Protocol"
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#define PSNAME "ILP"
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#define PFNAME "ilp"
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void proto_register_ilp(void);
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static dissector_handle_t rrlp_handle;
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static dissector_handle_t lpp_handle;
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static dissector_handle_t ilp_handle;
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/* IANA Registered Ports
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* oma-ilp 7276/tcp OMA Internal Location
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*/
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#define ILP_TCP_PORT 7276
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/* Initialize the protocol and registered fields */
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static int proto_ilp = -1;
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#define ILP_HEADER_SIZE 2
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static gboolean ilp_desegment = TRUE;
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#include "packet-ilp-hf.c"
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static int hf_ilp_mobile_directory_number = -1;
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/* Initialize the subtree pointers */
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static gint ett_ilp = -1;
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static gint ett_ilp_setid = -1;
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#include "packet-ilp-ett.c"
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/* Include constants */
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#include "packet-ilp-val.h"
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#include "packet-ilp-fn.c"
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static guint
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get_ilp_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
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{
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/* PDU length = Message length */
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return tvb_get_ntohs(tvb,offset);
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}
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static int
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dissect_ilp_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
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{
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tcp_dissect_pdus(tvb, pinfo, tree, ilp_desegment, ILP_HEADER_SIZE,
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get_ilp_pdu_len, dissect_ILP_PDU_PDU, data);
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return tvb_captured_length(tvb);
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}
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void proto_reg_handoff_ilp(void);
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/*--- proto_register_ilp -------------------------------------------*/
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void proto_register_ilp(void) {
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/* List of fields */
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static hf_register_info hf[] = {
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#include "packet-ilp-hfarr.c"
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{ &hf_ilp_mobile_directory_number,
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{ "Mobile Directory Number", "ilp.mobile_directory_number",
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FT_STRING, BASE_NONE, NULL, 0,
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NULL, HFILL }},
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};
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/* List of subtrees */
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static gint *ett[] = {
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&ett_ilp,
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&ett_ilp_setid,
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#include "packet-ilp-ettarr.c"
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};
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module_t *ilp_module;
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/* Register protocol */
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proto_ilp = proto_register_protocol(PNAME, PSNAME, PFNAME);
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ilp_handle = register_dissector("ilp", dissect_ilp_tcp, proto_ilp);
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/* Register fields and subtrees */
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proto_register_field_array(proto_ilp, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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ilp_module = prefs_register_protocol(proto_ilp, NULL);
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prefs_register_bool_preference(ilp_module, "desegment_ilp_messages",
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"Reassemble ILP messages spanning multiple TCP segments",
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"Whether the ILP dissector should reassemble messages spanning multiple TCP segments."
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" To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
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&ilp_desegment);
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}
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/*--- proto_reg_handoff_ilp ---------------------------------------*/
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void
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proto_reg_handoff_ilp(void)
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{
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dissector_add_string("media_type","application/oma-supl-ilp", ilp_handle);
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rrlp_handle = find_dissector_add_dependency("rrlp", proto_ilp);
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lpp_handle = find_dissector_add_dependency("lpp", proto_ilp);
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dissector_add_uint_with_preference("tcp.port", ILP_TCP_PORT, ilp_handle);
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}
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