2013-07-23 04:09:50 +00:00
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/* packet-bt3ds.c
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* Routines for Bluetooth 3DS dissection
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*
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* Copyright 2013, Michal Labedzki for Tieto Corporation
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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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2018-02-12 11:23:27 +00:00
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* SPDX-License-Identifier: GPL-2.0-or-later
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2013-07-23 04:09:50 +00:00
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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/expert.h>
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#include "packet-btl2cap.h"
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#include "packet-btsdp.h"
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static int proto_bt3ds = -1;
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static int hf_message_opcode = -1;
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static int hf_association_notification = -1;
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static int hf_user_request_for_battery_level_display = -1;
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static int hf_reserved = -1;
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static int hf_battery_level = -1;
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static expert_field ei_message_opcode_reserved = EI_INIT;
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static expert_field ei_reserved = EI_INIT;
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static expert_field ei_battery_level_reserved = EI_INIT;
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static expert_field ei_unexpected_data = EI_INIT;
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static gint ett_bt3ds = -1;
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2014-03-03 11:12:03 +00:00
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static dissector_handle_t b3ds_handle;
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2013-07-23 04:09:50 +00:00
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static const value_string message_opcode_vals[] = {
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{ 0x00, "3DG Connection Announcement" },
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{ 0, NULL }
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};
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void proto_register_bt3ds(void);
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void proto_reg_handoff_bt3ds(void);
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static gint
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dissect_bt3ds(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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proto_item *main_item;
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proto_tree *main_tree;
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proto_item *sub_item;
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gint offset = 0;
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guint8 value;
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2013-11-02 19:20:04 +00:00
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main_item = proto_tree_add_item(tree, proto_bt3ds, tvb, offset, -1, ENC_NA);
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main_tree = proto_item_add_subtree(main_item, ett_bt3ds);
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2013-07-23 04:09:50 +00:00
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "3DS");
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switch (pinfo->p2p_dir) {
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case P2P_DIR_SENT:
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2013-10-29 14:09:20 +00:00
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col_set_str(pinfo->cinfo, COL_INFO, "Sent ");
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2013-07-23 04:09:50 +00:00
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break;
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case P2P_DIR_RECV:
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2013-10-29 14:09:20 +00:00
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col_set_str(pinfo->cinfo, COL_INFO, "Rcvd ");
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2013-07-23 04:09:50 +00:00
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break;
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default:
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2015-01-18 09:44:04 +00:00
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col_set_str(pinfo->cinfo, COL_INFO, "UnknownDirection ");
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2013-07-23 04:09:50 +00:00
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break;
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}
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sub_item = proto_tree_add_item(main_tree, hf_message_opcode, tvb, offset, 1, ENC_BIG_ENDIAN);
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value = tvb_get_guint8(tvb, offset);
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if (value > 0)
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expert_add_info(pinfo, sub_item, &ei_message_opcode_reserved);
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offset += 1;
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s", val_to_str_const(value, message_opcode_vals, "Unknown"));
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sub_item = proto_tree_add_item(main_tree, hf_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(main_tree, hf_user_request_for_battery_level_display, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(main_tree, hf_association_notification, tvb, offset, 1, ENC_BIG_ENDIAN);
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value = tvb_get_guint8(tvb, offset) >> 2;
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if (value != 0)
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expert_add_info(pinfo, sub_item, &ei_reserved);
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offset += 1;
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sub_item = proto_tree_add_item(main_tree, hf_battery_level, tvb, offset, 1, ENC_BIG_ENDIAN);
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value = tvb_get_guint8(tvb, offset);
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if (value >= 101 && value <= 254)
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expert_add_info(pinfo, sub_item, &ei_battery_level_reserved);
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else if (value == 255)
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proto_item_append_text(sub_item, "Battery Level Reporting Not Supported");
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offset += 1;
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2015-02-26 13:38:57 +00:00
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if (tvb_reported_length_remaining(tvb, offset) > 0) {
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2013-07-23 04:09:50 +00:00
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proto_tree_add_expert(main_tree, pinfo, &ei_unexpected_data, tvb, offset, -1);
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2015-02-26 13:38:57 +00:00
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offset += tvb_reported_length_remaining(tvb, offset);
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2013-07-23 04:09:50 +00:00
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}
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return offset;
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}
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void
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proto_register_bt3ds(void)
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{
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module_t *module;
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expert_module_t *expert_bt3ds;
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static ei_register_info ei[] = {
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{ &ei_message_opcode_reserved, { "bt3ds.expert.message_opcode.reserved", PI_PROTOCOL, PI_NOTE, "Value is reserved", EXPFILL }},
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{ &ei_reserved, { "bt3ds.expert.reserved", PI_PROTOCOL, PI_NOTE, "Value is reserved", EXPFILL }},
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{ &ei_battery_level_reserved, { "bt3ds.expert.battery_level.reserved", PI_PROTOCOL, PI_NOTE, "Value is reserved", EXPFILL }},
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{ &ei_unexpected_data, { "bt3ds.expert.unexpected_data", PI_PROTOCOL, PI_WARN, "Unexpected data", EXPFILL }}
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};
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static hf_register_info hf[] = {
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{ &hf_message_opcode,
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{ "Message Opcode", "bt3ds.message_opcode",
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FT_UINT8, BASE_HEX, VALS(message_opcode_vals), 0x00,
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NULL, HFILL }
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},
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{ &hf_association_notification,
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{ "Association Notification", "bt3ds.association_notification",
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FT_BOOLEAN, 8, NULL, 0x01,
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NULL, HFILL }
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},
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{ &hf_user_request_for_battery_level_display,
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{ "User Request for Battery Level Display", "bt3ds.user_request_for_battery_level_display",
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FT_BOOLEAN, 8, NULL, 0x02,
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NULL, HFILL }
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},
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{ &hf_reserved,
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{ "Reserved", "bt3ds.reserved",
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FT_UINT8, BASE_HEX, NULL, 0xFC,
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NULL, HFILL }
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},
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{ &hf_battery_level,
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{ "Battery Level", "bt3ds.battery_level",
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FT_UINT8, BASE_DEC, NULL, 0x00,
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"0-100% of current charge level of battery", HFILL }
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}
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};
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static gint *ett[] = {
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&ett_bt3ds
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};
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proto_bt3ds = proto_register_protocol("Bluetooth 3DS Profile", "BT 3DS", "bt3ds");
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2015-12-09 04:04:01 +00:00
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b3ds_handle = register_dissector("bt3ds", dissect_bt3ds, proto_bt3ds);
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2013-07-23 04:09:50 +00:00
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proto_register_field_array(proto_bt3ds, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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expert_bt3ds = expert_register_protocol(proto_bt3ds);
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expert_register_field_array(expert_bt3ds, ei, array_length(ei));
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2018-01-05 13:00:44 +00:00
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module = prefs_register_protocol_subtree("Bluetooth", proto_bt3ds, NULL);
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2013-07-23 04:09:50 +00:00
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prefs_register_static_text_preference(module, "3ds.version",
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"Bluetooth Profile 3DS version: 1.0",
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"Version of profile supported by this dissector.");
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}
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void
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proto_reg_handoff_bt3ds(void)
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{
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2015-07-13 17:01:48 +00:00
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dissector_add_string("bluetooth.uuid", "1137", b3ds_handle);
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dissector_add_string("bluetooth.uuid", "1138", b3ds_handle);
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dissector_add_string("bluetooth.uuid", "1139", b3ds_handle);
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2013-07-23 04:09:50 +00:00
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dissector_add_uint("btl2cap.psm", BTL2CAP_PSM_3DS, b3ds_handle);
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2014-06-20 16:43:28 +00:00
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dissector_add_for_decode_as("btl2cap.cid", b3ds_handle);
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2013-07-23 04:09:50 +00:00
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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: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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