forked from osmocom/wireshark
![Michael Mann](/assets/img/avatar_default.png)
Similar to the "tcp.port" changes in I99604f95d426ad345f4b494598d94178b886eb67, convert dissectors that use "udp.port". More cleanup done on dissectors that use both TCP and UDP dissector tables, so that less preference callbacks exist. Change-Id: If07be9b9e850c244336a7069599cd554ce312dd3 Reviewed-on: https://code.wireshark.org/review/18120 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
181 lines
5.6 KiB
C
181 lines
5.6 KiB
C
/* packet-lge_monitor.c
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* Routines for LGE Monitor packet dissection
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* Copyright 2006, Anders Broman <anders.broman[at]ericsson.com>
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* LGE Monitor is a trace tool from Nortel.
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*/
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#include "config.h"
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#include <epan/packet.h>
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void proto_reg_handoff_lge_monitor(void);
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void proto_register_lge_monitor(void);
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/* Initialize the protocol and registered fields */
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static int proto_lge_monitor = -1;
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static int hf_lge_monitor_dir = -1;
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static int hf_lge_monitor_prot = -1;
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static int hf_lge_monitor_length = -1;
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static int hf_lge_monitor_data = -1;
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/* Initialize the subtree pointers */
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static int ett_lge_monitor = -1;
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static int ett_lge_header = -1;
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static dissector_handle_t mtp3_handle, m3ua_handle, sccp_handle, sctp_handle;
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static const value_string lge_monitor_dir_vals[] = {
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{ 0x00, "TX(Transmit Message Signaling Unit)" },
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{ 0x01, "RX(Receive Message Signaling Unit)" },
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{ 0, NULL }
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};
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static const value_string lge_monitor_prot_vals[] = {
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{ 0x00, "MTP-3(Message Transfer Part 3)" },
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{ 0x01, "SCCP(Signaling Connection Control Part)"},
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{ 0x02, "SCTP(Stream Control Transmission Protocol)"},
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{ 0x03, "M3UA(MTP-3 User Adaptation)"},
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{ 0, NULL }
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};
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#define LGEMON_PROTO_HEADER_LENGTH 12
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/* Code to actually dissect the packets */
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static int
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dissect_lge_monitor(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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int offset = 0;
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guint32 lge_monitor_proto_id;
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tvbuff_t* next_tvb = NULL;
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proto_tree* header_tree;
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/* Set up structures needed to add the protocol subtree and manage it */
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proto_item *ti;
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proto_tree *lge_monitor_tree;
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/* Make entries in Protocol column and Info column on summary display */
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "LGE Monitor");
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ti = proto_tree_add_item(tree, proto_lge_monitor, tvb, 0, LGEMON_PROTO_HEADER_LENGTH, ENC_NA);
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lge_monitor_tree = proto_item_add_subtree(ti, ett_lge_monitor);
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header_tree = proto_tree_add_subtree(lge_monitor_tree, tvb, offset, LGEMON_PROTO_HEADER_LENGTH, ett_lge_header, NULL, "LGE Monitor PDU");
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proto_tree_add_item(header_tree, hf_lge_monitor_dir, tvb, offset, 4, ENC_BIG_ENDIAN);
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offset += 4;
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lge_monitor_proto_id = tvb_get_ntohl(tvb,offset);
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proto_tree_add_item(header_tree, hf_lge_monitor_prot, tvb, offset, 4, ENC_BIG_ENDIAN);
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offset += 4;
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proto_tree_add_item(header_tree, hf_lge_monitor_length, tvb, offset, 4, ENC_BIG_ENDIAN);
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offset += 4;
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next_tvb = tvb_new_subset_remaining(tvb, offset);
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switch (lge_monitor_proto_id){
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case 0: /* MTP3 */
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call_dissector(mtp3_handle, next_tvb, pinfo, tree);
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break;
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case 1: /* SCCP */
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call_dissector(sccp_handle, next_tvb, pinfo, tree);
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break;
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case 2: /* SCTP */
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call_dissector(sctp_handle, next_tvb, pinfo, tree);
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break;
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case 3: /* M3UA */
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call_dissector(m3ua_handle, next_tvb, pinfo, tree);
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break;
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default:
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proto_tree_add_item(lge_monitor_tree, hf_lge_monitor_data, tvb, offset, -1, ENC_NA);
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break;
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}
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return tvb_captured_length(tvb);
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}
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void
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proto_reg_handoff_lge_monitor(void)
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{
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dissector_handle_t lge_monitor_handle;
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lge_monitor_handle = create_dissector_handle(dissect_lge_monitor, proto_lge_monitor);
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dissector_add_for_decode_as_with_preference("udp.port", lge_monitor_handle);
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mtp3_handle = find_dissector_add_dependency("mtp3", proto_lge_monitor);
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m3ua_handle = find_dissector_add_dependency("m3ua", proto_lge_monitor);
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sccp_handle = find_dissector_add_dependency("sccp", proto_lge_monitor);
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sctp_handle = find_dissector_add_dependency("sctp", proto_lge_monitor);
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}
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void
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proto_register_lge_monitor(void)
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{
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/* Setup list of header fields */
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static hf_register_info hf[] = {
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{ &hf_lge_monitor_dir,
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{ "Direction", "lge_monitor.dir",
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FT_UINT32, BASE_DEC, VALS(lge_monitor_dir_vals), 0x0,
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NULL, HFILL }
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},
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{ &hf_lge_monitor_prot,
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{ "Protocol Identifier", "lge_monitor.prot",
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FT_UINT32, BASE_DEC, VALS(lge_monitor_prot_vals), 0x0,
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NULL, HFILL }
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},
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{ &hf_lge_monitor_length,
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{ "Payload Length", "lge_monitor.length",
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FT_UINT32, BASE_DEC, NULL, 0x0,
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NULL, HFILL }
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},
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{ &hf_lge_monitor_data,
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{ "LGE Monitor data", "lge_monitor.monitor_data",
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FT_BYTES, BASE_NONE, NULL, 0x0,
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NULL, HFILL }
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},
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};
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/* Setup protocol subtree array */
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static gint *ett[] = {
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&ett_lge_monitor,
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&ett_lge_header
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};
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/* Register the protocol name and description */
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proto_lge_monitor = proto_register_protocol("LGE Monitor","LGE_Monitor", "lge_monitor");
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/* Required function calls to register the header fields and subtrees used */
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proto_register_field_array(proto_lge_monitor, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 8
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=8 tabstop=8 noexpandtab:
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* :indentSize=8:tabSize=8:noTabs=false:
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*/
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