/* packet-hci_mon.c * Routines for Bluetooth Linux Monitor dissection * * Copyright 2013, Michal Labedzki for Tieto Corporation * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "config.h" #include #include #include #include #include "packet-bluetooth.h" static int proto_hci_mon; static int hf_adapter_id; static int hf_opcode; static int hf_type; static int hf_bus; static int hf_bd_addr; static int hf_name; static int hf_manufacturer; static int hf_system_note; static int hf_priority; static int hf_ident_length; static int hf_ident; static int hf_message; static int hf_cookie; static int hf_format; static int hf_version; static int hf_revision; static int hf_flags; static int hf_flags_trusted_socket; static int hf_command_length; static int hf_command; static int hf_event; static int ett_hci_mon; static int ett_flags; static expert_field ei_unknown_data; static wmem_tree_t *adapter_to_disconnect_in_frame; static dissector_handle_t hci_mon_handle; static dissector_handle_t bthci_cmd_handle; static dissector_handle_t bthci_evt_handle; static dissector_handle_t bthci_acl_handle; static dissector_handle_t bthci_sco_handle; static dissector_handle_t bthci_iso_handle; #define OPCODE_NEW_INDEX 0 #define OPCODE_DELETE_INDEX 1 #define OPCODE_HCI_COMMAND_PKT 2 #define OPCODE_HCI_EVENT_PKT 3 #define OPCODE_ACL_TX_PACKET 4 #define OPCODE_ACL_RX_PACKET 5 #define OPCODE_SCO_TX_PACKET 6 #define OPCODE_SCO_RX_PACKET 7 #define OPCODE_OPEN_INDEX 8 #define OPCODE_CLOSE_INDEX 9 #define OPCODE_INDEX_INFO 10 #define OPCODE_VENDOR_DIAGNOSTIC 11 #define OPCODE_SYSTEM_NOTE 12 #define OPCODE_USER_LOGGING 13 #define OPCODE_CONTROL_OPEN 14 #define OPCODE_CONTROL_CLOSE 15 #define OPCODE_CONTROL_COMMAND 16 #define OPCODE_CONTROL_EVENT 17 #define OPCODE_ISO_TX_PACKET 18 #define OPCODE_ISO_RX_PACKET 19 static const value_string opcode_vals[] = { { OPCODE_NEW_INDEX, "New Index" }, { OPCODE_DELETE_INDEX, "Delete Index" }, { OPCODE_HCI_COMMAND_PKT, "HCI Command Packet" }, { OPCODE_HCI_EVENT_PKT, "HCI Event Packet" }, { OPCODE_ACL_TX_PACKET, "ACL Tx Packet" }, { OPCODE_ACL_RX_PACKET, "ACL Rx Packet" }, { OPCODE_SCO_TX_PACKET, "SCO Tx Packet" }, { OPCODE_SCO_RX_PACKET, "SCO Rx Packet" }, { OPCODE_OPEN_INDEX, "Open Index" }, { OPCODE_CLOSE_INDEX, "Close Index" }, { OPCODE_INDEX_INFO, "Index Info" }, { OPCODE_VENDOR_DIAGNOSTIC, "Vendor Diagnostic" }, { OPCODE_SYSTEM_NOTE, "System Note" }, { OPCODE_USER_LOGGING, "User Logging" }, { OPCODE_CONTROL_OPEN, "Control Open" }, { OPCODE_CONTROL_CLOSE, "Control Close" }, { OPCODE_CONTROL_COMMAND, "Control Command" }, { OPCODE_CONTROL_EVENT, "Control Event" }, { OPCODE_ISO_TX_PACKET, "ISO Tx Packet" }, { OPCODE_ISO_RX_PACKET, "ISO Rx Packet" }, { 0, NULL } }; value_string_ext(hci_mon_opcode_vals_ext) = VALUE_STRING_EXT_INIT(opcode_vals); static const value_string type_vals[] = { { 0x00, "Virtual" }, { 0x01, "USB" }, { 0x02, "PC Card" }, { 0x03, "UART" }, { 0x04, "RS232" }, { 0x05, "PCI" }, { 0x06, "SDIO" }, { 0x00, NULL } }; static value_string_ext(type_vals_ext) = VALUE_STRING_EXT_INIT(type_vals); static const value_string bus_vals[] = { { 0x00, "BR/EDR" }, { 0x01, "AMP" }, { 0x00, NULL } }; static value_string_ext(bus_vals_ext) = VALUE_STRING_EXT_INIT(bus_vals); #define CTRL_OPEN_RAW 0x0000 #define CTRL_OPEN_USER 0x0001 #define CTRL_OPEN_CONTROL 0x0002 static const value_string format_vals[] = { { CTRL_OPEN_RAW, "Rqw" }, { CTRL_OPEN_USER, "User" }, { CTRL_OPEN_CONTROL, "Control" }, { 0x00, NULL } }; static value_string_ext(format_vals_ext) = VALUE_STRING_EXT_INIT(format_vals); static const value_string priority_vals[] = { { 0, "EMERG" }, { 1, "ALERT" }, { 2, "CRIT" }, { 3, "ERR" }, { 4, "WARNING" }, { 5, "NOTICE" }, { 6, "INFO" }, { 7, "DEBUG" }, { 0, NULL } }; static value_string_ext(priority_vals_ext) = VALUE_STRING_EXT_INIT(priority_vals); #define EVENT_COMMAND_COMPLETE 0x0001 #define EVENT_COMMAND_STATUS 0x0002 #define EVENT_CONTROLLER_ERROR 0x0003 #define EVENT_INDEX_ADDED 0x0004 #define EVENT_INDEX_REMOVED 0x0005 #define EVENT_NEW_SETTINGS 0x0006 #define EVENT_CLASS_OF_DEVICE_CHANGED 0x0007 #define EVENT_LOCAL_NAME_CHANGED 0x0008 #define EVENT_NEW_LINK_KEY 0x0009 #define EVENT_NEW_LONG_TERM_KEY 0x000a #define EVENT_DEVICE_CONNECTED 0x000b #define EVENT_DEVICE_DISCONNECTED 0x000c #define EVENT_CONNECT_FAILED 0x000d #define EVENT_PIN_CODE_REQUEST 0x000e #define EVENT_USER_CONFIRMATION_REQUEST 0x000f #define EVENT_USER_PASSKEY_REQUEST 0x0010 #define EVENT_AUTHENTICAION_FAILED 0x0011 #define EVENT_DEVICE_FOUND 0x0012 #define EVENT_DISCOVERING 0x0013 #define EVENT_DEVICE_BLOCKED 0x0014 #define EVENT_DEVICE_UNBLOCKED 0x0015 #define EVENT_DEVICE_UNPAIRED 0x0016 #define EVENT_PASSKEY_NOTIFY 0x0017 #define EVENT_NEW_IRK 0x0018 #define EVENT_NEW_CSRK 0x0019 #define EVENT_DEVICE_ADDED 0x001a #define EVENT_DEVICE_REMOVED 0x001b #define EVENT_NEW_CONNECTION_PARAMETER 0x001c #define EVENT_UNCONFIGURED_INDEX_ADDED 0x001d #define EVENT_UNCONFIGURED_INDEX_REMOVED 0x001e #define EVENT_NEW_CONFIGURATION_OPTIONS 0x001f #define EVENT_EXTENDED_INDEX_ADDED 0x0020 #define EVENT_EXTENDED_INDEX_REMOVED 0x0021 #define EVENT_LOCAL_OUT_OF_BAND_DATA_UPDATED 0x0022 #define EVENT_ADVERTISING_ADDED 0x0023 #define EVENT_ADVERTISING_REMOVED 0x0024 #define EVENT_EXTENDED_INFO_CHANGED 0x0025 #define EVENT_PHY_CONFIGURATION_CHANGED 0x0026 static const value_string event_vals[] = { { EVENT_COMMAND_COMPLETE, "Command complete" }, { EVENT_COMMAND_STATUS, "Command status" }, { EVENT_CONTROLLER_ERROR, "Controller error" }, { EVENT_INDEX_ADDED, "Index added" }, { EVENT_INDEX_REMOVED, "Index removed" }, { EVENT_NEW_SETTINGS, "New settings" }, { EVENT_CLASS_OF_DEVICE_CHANGED, "Class of device changed" }, { EVENT_LOCAL_NAME_CHANGED, "Local name changed" }, { EVENT_NEW_LINK_KEY, "New link key" }, { EVENT_NEW_LONG_TERM_KEY, "New long-term key" }, { EVENT_DEVICE_CONNECTED, "Device connected" }, { EVENT_DEVICE_DISCONNECTED, "Device disconnected" }, { EVENT_CONNECT_FAILED, "Connect failed" }, { EVENT_PIN_CODE_REQUEST, "PIN code request" }, { EVENT_USER_CONFIRMATION_REQUEST, "User confirmation request" }, { EVENT_USER_PASSKEY_REQUEST, "User passkey request" }, { EVENT_AUTHENTICAION_FAILED, "Authentication failed" }, { EVENT_DEVICE_FOUND, "Device found" }, { EVENT_DISCOVERING, "Discovering" }, { EVENT_DEVICE_BLOCKED, "Device blocked" }, { EVENT_DEVICE_UNBLOCKED, "Device unblocked" }, { EVENT_DEVICE_UNPAIRED, "Device unpaired" }, { EVENT_PASSKEY_NOTIFY, "Passkey notify" }, { EVENT_NEW_IRK, "New IRK" }, { EVENT_NEW_CSRK, "New CSRK" }, { EVENT_DEVICE_ADDED, "Device added" }, { EVENT_DEVICE_REMOVED, "Device removed" }, { EVENT_NEW_CONNECTION_PARAMETER, "New connection parameter" }, { EVENT_UNCONFIGURED_INDEX_ADDED, "Unconfigured index added" }, { EVENT_UNCONFIGURED_INDEX_REMOVED, "Unconfigured index removed" }, { EVENT_NEW_CONFIGURATION_OPTIONS, "New configuration options" }, { EVENT_EXTENDED_INDEX_ADDED, "Extended index added" }, { EVENT_EXTENDED_INDEX_REMOVED, "Extended index removed" }, { EVENT_LOCAL_OUT_OF_BAND_DATA_UPDATED, "Local out-of-band data updated" }, { EVENT_ADVERTISING_ADDED, "Advertising added" }, { EVENT_ADVERTISING_REMOVED, "Advertising removed" }, { EVENT_EXTENDED_INFO_CHANGED, "Extended info changed" }, { EVENT_PHY_CONFIGURATION_CHANGED, "PHY configuration changed" }, { 0x00, NULL } }; static value_string_ext(event_vals_ext) = VALUE_STRING_EXT_INIT(event_vals); void proto_register_hci_mon(void); void proto_reg_handoff_hci_mon(void); static int dissect_hci_mon(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { proto_tree *hci_mon_item; proto_item *hci_mon_tree; proto_item *sub_item; int offset = 0; uint16_t opcode; uint16_t adapter_id; bluetooth_data_t *bluetooth_data; tvbuff_t *next_tvb; uint32_t *adapter_disconnect_in_frame; wmem_tree_t *subtree; wmem_tree_key_t key[4]; uint32_t k_interface_id; uint32_t k_adapter_id; uint32_t k_frame_number; uint32_t ident_length; uint32_t command_length; static int * const flags_fields[] = { &hf_flags_trusted_socket, NULL }; bluetooth_data = (bluetooth_data_t *) data; /* * XXX - the raw data sent to a Bluetooth monitor socket has a 6-byte * header, the last 2 bytes of which are a big-endian length field, * giving the length of the payload. * * Somehow, the length field disappears. */ DISSECTOR_ASSERT(bluetooth_data->previous_protocol_data_type == BT_PD_BTMON); adapter_id = bluetooth_data->previous_protocol_data.btmon->adapter_id; opcode = bluetooth_data->previous_protocol_data.btmon->opcode; if (opcode == 0x00 || opcode == 0x01) pinfo->p2p_dir = P2P_DIR_RECV; else if (opcode % 2) pinfo->p2p_dir = P2P_DIR_RECV; else pinfo->p2p_dir = P2P_DIR_SENT; hci_mon_item = proto_tree_add_item(tree, proto_hci_mon, tvb, offset, tvb_captured_length(tvb), ENC_NA); hci_mon_tree = proto_item_add_subtree(hci_mon_item, ett_hci_mon); col_set_str(pinfo->cinfo, COL_PROTOCOL, "HCI_MON"); if (opcode == 0x00 || opcode == 0x01) col_set_str(pinfo->cinfo, COL_INFO, "Info "); else switch (pinfo->p2p_dir) { case P2P_DIR_SENT: col_set_str(pinfo->cinfo, COL_INFO, "Sent "); break; case P2P_DIR_RECV: col_set_str(pinfo->cinfo, COL_INFO, "Rcvd "); break; default: col_set_str(pinfo->cinfo, COL_INFO, "UnknownDirection "); break; } sub_item = proto_tree_add_uint(hci_mon_tree, hf_adapter_id, tvb, offset, 0, adapter_id); proto_item_set_generated(sub_item); sub_item = proto_tree_add_uint(hci_mon_tree, hf_opcode, tvb, offset, 0, opcode); proto_item_set_generated(sub_item); col_append_fstr(pinfo->cinfo, COL_INFO, "Adapter Id: %u, Opcode: %s", adapter_id, val_to_str_ext(opcode, &hci_mon_opcode_vals_ext, "Unknown (%u)")); bluetooth_data->adapter_id = adapter_id; k_interface_id = bluetooth_data->interface_id; k_adapter_id = adapter_id; k_frame_number = pinfo->num; key[0].length = 1; key[0].key = &k_interface_id; key[1].length = 1; key[1].key = &k_adapter_id; if (!pinfo->fd->visited && opcode == 0x01) { /* Delete Index */ uint32_t *disconnect_in_frame; key[2].length = 1; key[2].key = &k_frame_number; key[3].length = 0; key[3].key = NULL; disconnect_in_frame = wmem_new(wmem_file_scope(), uint32_t); if (disconnect_in_frame) { *disconnect_in_frame = pinfo->num; wmem_tree_insert32_array(adapter_to_disconnect_in_frame, key, disconnect_in_frame); } } key[2].length = 0; key[2].key = NULL; subtree = (wmem_tree_t *) wmem_tree_lookup32_array(adapter_to_disconnect_in_frame, key); adapter_disconnect_in_frame = (subtree) ? (uint32_t *) wmem_tree_lookup32_le(subtree, k_frame_number) : NULL; if (adapter_disconnect_in_frame) { bluetooth_data->adapter_disconnect_in_frame = adapter_disconnect_in_frame; } else { bluetooth_data->adapter_disconnect_in_frame = &bluetooth_max_disconnect_in_frame; } pinfo->ptype = PT_BLUETOOTH; next_tvb = tvb_new_subset_remaining(tvb, offset); switch(opcode) { case OPCODE_NEW_INDEX: proto_tree_add_item(hci_mon_tree, hf_bus, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(hci_mon_tree, hf_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; offset = dissect_bd_addr(hf_bd_addr, pinfo, hci_mon_tree, tvb, offset, true, bluetooth_data->interface_id, bluetooth_data->adapter_id, NULL); proto_tree_add_item(hci_mon_tree, hf_name, tvb, offset, 8, ENC_NA | ENC_ASCII); offset += 8; break; case OPCODE_DELETE_INDEX: /* No parameters */ break; case OPCODE_HCI_COMMAND_PKT: call_dissector_with_data(bthci_cmd_handle, next_tvb, pinfo, tree, bluetooth_data); offset = tvb_reported_length(tvb); break; case OPCODE_HCI_EVENT_PKT: call_dissector_with_data(bthci_evt_handle, next_tvb, pinfo, tree, bluetooth_data); offset = tvb_reported_length(tvb); break; case OPCODE_ACL_TX_PACKET: case OPCODE_ACL_RX_PACKET: call_dissector_with_data(bthci_acl_handle, next_tvb, pinfo, tree, bluetooth_data); offset = tvb_reported_length(tvb); break; case OPCODE_SCO_TX_PACKET: case OPCODE_SCO_RX_PACKET: call_dissector_with_data(bthci_sco_handle, next_tvb, pinfo, tree, bluetooth_data); offset = tvb_reported_length(tvb); break; case OPCODE_OPEN_INDEX: /* No parameters */ break; case OPCODE_CLOSE_INDEX: /* No parameters */ break; case OPCODE_INDEX_INFO: offset = dissect_bd_addr(hf_bd_addr, pinfo, hci_mon_tree, tvb, offset, true, bluetooth_data->interface_id, bluetooth_data->adapter_id, NULL); proto_tree_add_item(hci_mon_tree, hf_manufacturer, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; break; case OPCODE_VENDOR_DIAGNOSTIC: /* XXX - what are the parameters, if any? */ break; case OPCODE_SYSTEM_NOTE: /* * XXX - NUL-terminated, so that you always have a NUL at the * end of the message? * * Or is it data from userland, which might or might not be * NUL-terminated? * * We make it FT_STRINGZPAD, just in case. */ proto_tree_add_item(hci_mon_tree, hf_system_note, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_NA | ENC_ASCII); offset = tvb_reported_length(tvb); break; case OPCODE_USER_LOGGING: proto_tree_add_item(hci_mon_tree, hf_priority, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item_ret_uint(hci_mon_tree, hf_ident_length, tvb, offset, 1, ENC_NA, &ident_length); offset += 1; proto_tree_add_item(hci_mon_tree, hf_ident, tvb, offset, ident_length, ENC_NA | ENC_ASCII); offset += ident_length; proto_tree_add_item(hci_mon_tree, hf_message, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_NA | ENC_ASCII); offset = tvb_reported_length(tvb); break; case OPCODE_CONTROL_OPEN: proto_tree_add_item(hci_mon_tree, hf_cookie, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(hci_mon_tree, hf_format, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; proto_tree_add_item(hci_mon_tree, hf_version, tvb, offset, 1, ENC_NA); proto_tree_add_item(hci_mon_tree, hf_revision, tvb, offset + 1, 2, ENC_LITTLE_ENDIAN); offset += 3; proto_tree_add_bitmask(hci_mon_tree, tvb, offset, hf_flags, ett_flags, flags_fields, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item_ret_uint(hci_mon_tree, hf_command_length, tvb, offset, 1, ENC_NA, &command_length); offset += 1; /* * XXX - null-padded? We assume so; the Linux kernel code, as of * the 5.3 kernel, always copies TASK_COMM_LEN bytes and sets the * command length to TASK_COMM_LEN. */ proto_tree_add_item(hci_mon_tree, hf_command, tvb, offset, command_length, ENC_NA | ENC_ASCII); offset += command_length; break; case OPCODE_CONTROL_CLOSE: proto_tree_add_item(hci_mon_tree, hf_cookie, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; break; case OPCODE_CONTROL_COMMAND: proto_tree_add_item(hci_mon_tree, hf_cookie, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* XXX - different field for this opcode? */ proto_tree_add_item(hci_mon_tree, hf_opcode, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; break; case OPCODE_CONTROL_EVENT: proto_tree_add_item(hci_mon_tree, hf_cookie, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(hci_mon_tree, hf_event, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; /* XXX - dissect the payload of the event */ break; case OPCODE_ISO_TX_PACKET: case OPCODE_ISO_RX_PACKET: call_dissector_with_data(bthci_iso_handle, next_tvb, pinfo, tree, bluetooth_data); offset = tvb_reported_length(tvb); break; } if (tvb_reported_length_remaining(tvb, offset) > 0) { proto_tree_add_expert(hci_mon_tree, pinfo, &ei_unknown_data, tvb, offset, tvb_reported_length_remaining(tvb, offset)); offset = tvb_reported_length(tvb); } /* NOTE: Oops... HCI_MON have special packet with length 0, but there is a pseudo-header with certain infos, mark it as dissected */ if (opcode == 0x01) return 1; return offset; } void proto_register_hci_mon(void) { module_t *module; expert_module_t *expert_module; static hf_register_info hf[] = { { &hf_adapter_id, { "Adapter ID", "hci_mon.adapter_id", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_opcode, { "Opcode", "hci_mon.opcode", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &hci_mon_opcode_vals_ext, 0x00, NULL, HFILL } }, { &hf_type, { "Type", "hci_mon.type", FT_UINT8, BASE_HEX | BASE_EXT_STRING, &type_vals_ext, 0x00, NULL, HFILL } }, { &hf_bus, { "Bus", "hci_mon.bus", FT_UINT8, BASE_HEX | BASE_EXT_STRING, &bus_vals_ext, 0x00, NULL, HFILL } }, { &hf_bd_addr, { "BD_ADDR", "hci_mon.bd_addr", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL} }, { &hf_name, { "Adapter Name", "hci_mon.adapter_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL} }, { &hf_manufacturer, { "Manufacturer", "hci_mon.manufacturer", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_system_note, { "System Note", "hci_mon.system_note", FT_STRINGZPAD, BASE_NONE, NULL, 0x0, NULL, HFILL} }, { &hf_priority, { "Priority", "hci_mon.priority", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &priority_vals_ext, 0x0, NULL, HFILL} }, { &hf_ident_length, { "Ident Length", "hci_mon.ident_length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} }, { &hf_ident, { "Ident", "hci_mon.ident", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL} }, { &hf_message, { "Message", "hci_mon.message", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL} }, { &hf_cookie, { "Cookie", "hci_mon.cookie", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL} }, { &hf_format, { "Format", "hci_mon.format", FT_UINT16, BASE_HEX | BASE_EXT_STRING, &format_vals_ext, 0x00, NULL, HFILL} }, { &hf_version, { "Version", "hci_mon.version", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_revision, { "Revision", "hci_mon.version_minor", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_flags, { "Flags", "hci_mon.flags", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL} }, { &hf_flags_trusted_socket, { "Trusted Socket", "hci_mon.flags.trusted_socket", FT_BOOLEAN, 32, NULL, 0x00000001, NULL, HFILL} }, { &hf_command_length, { "Command Length", "hci_mon.command_length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} }, { &hf_command, { "Command", "hci_mon.command", FT_STRINGZPAD, BASE_NONE, NULL, 0x0, NULL, HFILL} }, { &hf_event, { "Event", "hci_mon.event", FT_UINT16, BASE_HEX | BASE_EXT_STRING, &event_vals_ext, 0x0, NULL, HFILL} } }; static ei_register_info ei[] = { { &ei_unknown_data, { "hci_mon.unknown_data", PI_PROTOCOL, PI_WARN, "Unknown data", EXPFILL }}, }; static int *ett[] = { &ett_hci_mon, &ett_flags }; proto_hci_mon = proto_register_protocol("Bluetooth Linux Monitor Transport", "HCI_MON", "hci_mon"); proto_register_field_array(proto_hci_mon, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); hci_mon_handle = register_dissector("hci_mon", dissect_hci_mon, proto_hci_mon); expert_module = expert_register_protocol(proto_hci_mon); expert_register_field_array(expert_module, ei, array_length(ei)); adapter_to_disconnect_in_frame = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope()); module = prefs_register_protocol_subtree("Bluetooth", proto_hci_mon, NULL); prefs_register_static_text_preference(module, "bthci_mon.version", "Bluetooth Linux Monitor Transport introduced in BlueZ 5.x", "Version of protocol supported by this dissector."); } void proto_reg_handoff_hci_mon(void) { bthci_cmd_handle = find_dissector_add_dependency("bthci_cmd", proto_hci_mon); bthci_evt_handle = find_dissector_add_dependency("bthci_evt", proto_hci_mon); bthci_acl_handle = find_dissector_add_dependency("bthci_acl", proto_hci_mon); bthci_sco_handle = find_dissector_add_dependency("bthci_sco", proto_hci_mon); bthci_iso_handle = find_dissector_add_dependency("bthci_iso_data", proto_hci_mon); dissector_add_uint("bluetooth.encap", WTAP_ENCAP_BLUETOOTH_LINUX_MONITOR, hci_mon_handle); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */