/* packet-bthcrp.c * Routines for Bluetooth HCRP 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 "packet-btl2cap.h" #include "packet-btsdp.h" enum { FORCE_CLIENT_DEFAULT = 0, FORCE_CLIENT_YES = 1, FORCE_CLIENT_NO = 2 }; static int proto_bthcrp; static int hf_bthcrp_notification_pdu_id; static int hf_bthcrp_control_pdu_id; static int hf_bthcrp_control_transaction_id; static int hf_bthcrp_control_parameter_length; static int hf_bthcrp_control_status; static int hf_bthcrp_callback_context_id; static int hf_bthcrp_control_callback_timeout; static int hf_bthcrp_control_timeout; static int hf_bthcrp_control_1284_id; static int hf_bthcrp_control_register; static int hf_bthcrp_control_start_byte; static int hf_bthcrp_control_number_of_bytes; static int hf_bthcrp_control_client_credit_granted; static int hf_bthcrp_control_server_credit_granted; static int hf_bthcrp_control_client_credit_return; static int hf_bthcrp_control_server_credit_return; static int hf_bthcrp_control_client_credit_query; static int hf_bthcrp_control_server_credit_query; static int hf_bthcrp_control_status_reserved_76; static int hf_bthcrp_control_status_paper_empty; static int hf_bthcrp_control_status_select; static int hf_bthcrp_control_status_not_error; static int hf_bthcrp_control_status_reserved_20; static int hf_bthcrp_data; static int ett_bthcrp; static expert_field ei_bthcrp_control_parameter_length; static expert_field ei_bthcrp_unexpected_data; static dissector_handle_t bthcrp_handle; static int force_client = FORCE_CLIENT_DEFAULT; static int psm_control; static int psm_data_stream; static int psm_notification; static const value_string control_pdu_id_vals[] = { { 0x0001, "CR_DataChannelCreditGrant" }, { 0x0002, "CR_DataChannelCreditRequest" }, { 0x0003, "CR_DataChannelCreditReturn" }, { 0x0004, "CR_DataChannelCreditQuery" }, { 0x0005, "CR_GetLPTStatus" }, { 0x0006, "CR_Get1284ID" }, { 0x0007, "CR_SoftReset" }, { 0x0008, "CR_HardReset" }, { 0x0009, "CR_RegisterNotification" }, { 0x000A, "CR_NotificationConnectionAlive" }, { 0, NULL } }; static const value_string status_vals[] = { { 0x0000, "Feature Unsupported" }, { 0x0001, "Success" }, { 0x0002, "Credit Synchronization Error" }, { 0xFFFF, "Generic Failure" }, { 0, NULL } }; static const value_string notification_pdu_id_vals[] = { { 0x0001, "N_Notification" }, { 0, NULL } }; static const value_string register_vals[] = { { 0x00, "Remove Client From Receiver Notification" }, { 0x01, "Add Client To Receiver Notification" }, { 0, NULL } }; static const enum_val_t force_client_enum[] = { { "default", "Default", FORCE_CLIENT_DEFAULT }, { "yes", "Yes", FORCE_CLIENT_YES }, { "no", "No", FORCE_CLIENT_NO }, { NULL, NULL, 0 } }; void proto_register_bthcrp(void); void proto_reg_handoff_bthcrp(void); static int dissect_control(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, bool is_client_message) { /* flow: requests: only client -> server; responses: only server -> */ proto_item *pitem; uint16_t control_pdu_id; unsigned credits; unsigned timeout; unsigned context_id; unsigned notification_register; unsigned number; int parameter_length; pitem = proto_tree_add_item(tree, hf_bthcrp_control_pdu_id, tvb, offset, 2, ENC_BIG_ENDIAN); control_pdu_id = tvb_get_ntohs(tvb, offset); offset += 2; col_append_fstr(pinfo->cinfo, COL_INFO, "Control: %s %s", ((is_client_message) ? "Request" : "Response"), val_to_str_const(control_pdu_id, control_pdu_id_vals, "Unknown PDU ID")); if (control_pdu_id >= 0x8000) { proto_item_append_text(pitem, " (Vendor Specific)"); col_append_str(pinfo->cinfo, COL_INFO, " (Vendor Specific)"); } else if (control_pdu_id == 0x0000 || control_pdu_id >= 0x000B ) { proto_item_append_text(pitem, " (Reserved)"); col_append_str(pinfo->cinfo, COL_INFO, " (Reserved)"); } proto_tree_add_item(tree, hf_bthcrp_control_transaction_id, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; pitem = proto_tree_add_item(tree, hf_bthcrp_control_parameter_length, tvb, offset, 2, ENC_BIG_ENDIAN); parameter_length = tvb_get_ntohs(tvb, offset); offset += 2; if (!is_client_message && parameter_length < 2) { expert_add_info_format(pinfo, pitem, &ei_bthcrp_control_parameter_length, "Parameter length is shorter than 2 in response"); } if (parameter_length < tvb_reported_length_remaining(tvb, offset)) { expert_add_info_format(pinfo, pitem, &ei_bthcrp_control_parameter_length, "Parameter length is shorter than payload length"); } else if (parameter_length > tvb_reported_length_remaining(tvb, offset)) { expert_add_info_format(pinfo, pitem, &ei_bthcrp_control_parameter_length, "Parameter length is larger than payload length"); } if (!is_client_message) { proto_tree_add_item(tree, hf_bthcrp_control_status, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; } if (control_pdu_id >= 0x8000) { if (tvb_reported_length_remaining(tvb, offset)) { proto_tree_add_item(tree, hf_bthcrp_data, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_NA); offset += tvb_reported_length_remaining(tvb, offset); } } else switch(control_pdu_id) { case 0x0001: /* CR_DataChannelCreditGrant */ if (is_client_message) { proto_tree_add_item(tree, hf_bthcrp_control_client_credit_granted, tvb, offset, 4, ENC_BIG_ENDIAN); credits = tvb_get_ntohl(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " - CreditGranted: %u", credits); offset += 4; } break; case 0x0002: /* CR_DataChannelCreditRequest */ if (!is_client_message) { proto_tree_add_item(tree, hf_bthcrp_control_server_credit_granted, tvb, offset, 4, ENC_BIG_ENDIAN); credits = tvb_get_ntohl(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " - CreditGranted: %u", credits); offset += 4; } break; case 0x0003: /* CR_DataChannelCreditReturn */ if (is_client_message) { proto_tree_add_item(tree, hf_bthcrp_control_client_credit_return, tvb, offset, 4, ENC_BIG_ENDIAN); credits = tvb_get_ntohl(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " - Client Credit Return: %u", credits); offset += 4; } else { proto_tree_add_item(tree, hf_bthcrp_control_server_credit_return, tvb, offset, 4, ENC_BIG_ENDIAN); credits = tvb_get_ntohl(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " - Server Credit Return: %u", credits); offset += 4; } break; case 0x0004: /* CR_DataChannelCreditQuery */ if (is_client_message) { proto_tree_add_item(tree, hf_bthcrp_control_client_credit_query, tvb, offset, 4, ENC_BIG_ENDIAN); credits = tvb_get_ntohl(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " - Client Credit: %u", credits); offset += 4; } else { proto_tree_add_item(tree, hf_bthcrp_control_server_credit_query, tvb, offset, 4, ENC_BIG_ENDIAN); credits = tvb_get_ntohl(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " - Server Credit: %u", credits); offset += 4; } break; case 0x0005: /* CR_GetLPTStatus */ if (!is_client_message) { proto_tree_add_item(tree, hf_bthcrp_control_status_reserved_76, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_bthcrp_control_status_paper_empty, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_bthcrp_control_status_select, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_bthcrp_control_status_not_error, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_bthcrp_control_status_reserved_20, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } break; case 0x0006: /* CR_Get1284ID */ if (is_client_message) { proto_tree_add_item(tree, hf_bthcrp_control_start_byte, tvb, offset, 2, ENC_BIG_ENDIAN); number = tvb_get_ntohs(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " - Start Byte: %u", number); offset += 2; proto_tree_add_item(tree, hf_bthcrp_control_number_of_bytes, tvb, offset, 2, ENC_BIG_ENDIAN); number = tvb_get_ntohs(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, ", Number Of Bytes: %u", number); offset += 2; } else { const uint8_t *id; proto_tree_add_item_ret_string(tree, hf_bthcrp_control_1284_id, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_ASCII | ENC_NA, pinfo->pool, &id); col_append_fstr(pinfo->cinfo, COL_INFO, " - 1284 ID: %s", id); offset += tvb_reported_length_remaining(tvb, offset); } break; case 0x0007: /* CR_SoftReset */ case 0x0008: /* CR_HardReset */ break; case 0x0009: /* CR_RegisterNotification */ if (is_client_message) { proto_tree_add_item(tree, hf_bthcrp_control_register, tvb, offset, 1, ENC_BIG_ENDIAN); notification_register = tvb_get_uint8(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " - Register: %s", val_to_str_const(notification_register, register_vals, "unknown register")); offset += 1; proto_tree_add_item(tree, hf_bthcrp_callback_context_id, tvb, offset, 4, ENC_BIG_ENDIAN); context_id = tvb_get_ntohl(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, ", Callback ContextID: %u", context_id); offset += 4; proto_tree_add_item(tree, hf_bthcrp_control_callback_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); timeout = tvb_get_ntohl(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, ", Callback Timeout: %u", timeout); offset += 4; } else { proto_tree_add_item(tree, hf_bthcrp_control_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); timeout = tvb_get_ntohl(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " - Timeout: %u", timeout); offset += 4; proto_tree_add_item(tree, hf_bthcrp_control_callback_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); timeout = tvb_get_ntohl(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, ", Callback Timeout: %u", timeout); offset += 4; } break; case 0x000A: /* CR_NotificationConnectionAlive */ if (!is_client_message) { proto_tree_add_item(tree, hf_bthcrp_control_timeout, tvb, offset, 4, ENC_BIG_ENDIAN); timeout = tvb_get_ntohl(tvb, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " - Timeout: %u", timeout); offset += 4; } break; } return offset; } static int dissect_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset) { /* flow: server <-> client */ tvbuff_t *next_tvb; col_append_str(pinfo->cinfo, COL_INFO, "HCRP data stream"); next_tvb = tvb_new_subset_remaining(tvb, offset); call_data_dissector(next_tvb, pinfo, tree); offset += tvb_reported_length_remaining(tvb, offset); return offset; } static int dissect_notification(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, bool is_client_message) { /* flow: only server -> client */ uint16_t notification_pdu_id; proto_item *pitem; if (is_client_message) { col_append_str(pinfo->cinfo, COL_INFO, "Notification: unexpected notification stream"); return offset; } pitem = proto_tree_add_item(tree, hf_bthcrp_notification_pdu_id, tvb, offset, 2, ENC_BIG_ENDIAN); notification_pdu_id = tvb_get_ntohs(tvb, offset); offset += 2; col_append_fstr(pinfo->cinfo, COL_INFO, "Notification: %s", val_to_str_const(notification_pdu_id, notification_pdu_id_vals, "Unknown PDU ID")); if (notification_pdu_id >= 0x8000) { proto_item_append_text(pitem, " (Vendor Specific)"); col_append_str(pinfo->cinfo, COL_INFO, " (Vendor Specific)"); if (tvb_reported_length_remaining(tvb, offset)) { proto_tree_add_item(tree, hf_bthcrp_data, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_NA); offset += tvb_reported_length_remaining(tvb, offset); } } else if (notification_pdu_id != 0x001) { proto_item_append_text(pitem, " (Reserved)"); col_append_str(pinfo->cinfo, COL_INFO, " (Reserved)"); } switch(notification_pdu_id) { case 0x01: /* N_NOTIFICATION */ proto_tree_add_item(tree, hf_bthcrp_callback_context_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; break; } return offset; } static int dissect_bthcrp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { proto_item *main_item; proto_tree *main_tree; int offset = 0; int protocol = -1; bool is_client_message = false; int previous_proto; previous_proto = (GPOINTER_TO_INT(wmem_list_frame_data(wmem_list_frame_prev(wmem_list_tail(pinfo->layers))))); if (previous_proto == proto_btl2cap) { btl2cap_data_t *l2cap_data; wmem_tree_key_t key[10]; uint32_t interface_id; uint32_t adapter_id; uint32_t sdp_psm = SDP_PSM_DEFAULT; uint32_t direction; uint32_t bd_addr_oui; uint32_t bd_addr_id; uint32_t service_type; uint32_t service_channel; uint32_t frame_number; service_info_t *service_info; l2cap_data = (btl2cap_data_t *) data; interface_id = l2cap_data->interface_id; adapter_id = l2cap_data->adapter_id; direction = (l2cap_data->is_local_psm) ? P2P_DIR_SENT : P2P_DIR_RECV; if (direction == P2P_DIR_RECV) { bd_addr_oui = l2cap_data->remote_bd_addr_oui; bd_addr_id = l2cap_data->remote_bd_addr_id; } else { bd_addr_oui = 0; bd_addr_id = 0; } service_type = BTSDP_L2CAP_PROTOCOL_UUID; service_channel = l2cap_data->psm; frame_number = pinfo->num; key[0].length = 1; key[0].key = &interface_id; key[1].length = 1; key[1].key = &adapter_id; key[2].length = 1; key[2].key = &sdp_psm; key[3].length = 1; key[3].key = &direction; key[4].length = 1; key[4].key = &bd_addr_oui; key[5].length = 1; key[5].key = &bd_addr_id; key[6].length = 1; key[6].key = &service_type; key[7].length = 1; key[7].key = &service_channel; key[8].length = 1; key[8].key = &frame_number; key[9].length = 0; key[9].key = NULL; service_info = btsdp_get_service_info(key); if (service_info && service_info->interface_id == interface_id && service_info->adapter_id == adapter_id && service_info->sdp_psm == SDP_PSM_DEFAULT && ((service_info->direction == P2P_DIR_RECV && service_info->bd_addr_oui == bd_addr_oui && service_info->bd_addr_id == bd_addr_id) || (service_info->direction != P2P_DIR_RECV && service_info->bd_addr_oui == 0 && service_info->bd_addr_id == 0)) && service_info->type == BTSDP_L2CAP_PROTOCOL_UUID && service_info->channel == l2cap_data->psm) { if ((service_info->protocol == BTSDP_HARDCOPY_CONTROL_CHANNEL_PROTOCOL_UUID || service_info->protocol == BTSDP_HARDCOPY_DATA_CHANNEL_PROTOCOL_UUID) && ((!l2cap_data->is_local_psm && pinfo->p2p_dir == P2P_DIR_SENT) || (l2cap_data->is_local_psm && pinfo->p2p_dir == P2P_DIR_RECV))) { is_client_message = true; } else if (service_info->protocol == BTSDP_HARDCOPY_NOTIFICATION_PROTOCOL_UUID && ((l2cap_data->is_local_psm && pinfo->p2p_dir == P2P_DIR_SENT) || (!l2cap_data->is_local_psm && pinfo->p2p_dir == P2P_DIR_RECV))) { is_client_message = true; } protocol = service_info->protocol; } if (psm_control != 0 && l2cap_data->psm == psm_control) { protocol = BTSDP_HARDCOPY_CONTROL_CHANNEL_PROTOCOL_UUID; } else if (psm_data_stream != 0 && l2cap_data->psm == psm_data_stream) { protocol = BTSDP_HARDCOPY_DATA_CHANNEL_PROTOCOL_UUID; } else if (psm_notification != 0 && l2cap_data->psm == psm_notification) { protocol = BTSDP_HARDCOPY_NOTIFICATION_PROTOCOL_UUID; } } main_item = proto_tree_add_item(tree, proto_bthcrp, tvb, offset, -1, ENC_NA); main_tree = proto_item_add_subtree(main_item, ett_bthcrp); col_set_str(pinfo->cinfo, COL_PROTOCOL, "HCRP"); 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; } if (force_client != FORCE_CLIENT_DEFAULT) { is_client_message = (force_client == FORCE_CLIENT_YES && pinfo->p2p_dir == P2P_DIR_SENT) || (force_client != FORCE_CLIENT_YES && pinfo->p2p_dir == P2P_DIR_RECV); } if (protocol == BTSDP_HARDCOPY_CONTROL_CHANNEL_PROTOCOL_UUID) { offset = dissect_control(tvb, pinfo, main_tree, offset, is_client_message); } else if (protocol == BTSDP_HARDCOPY_DATA_CHANNEL_PROTOCOL_UUID) { offset = dissect_data(tvb, pinfo, main_tree, offset); } else if (protocol == BTSDP_HARDCOPY_NOTIFICATION_PROTOCOL_UUID) { offset = dissect_notification(tvb, pinfo, main_tree, offset, is_client_message); } else { col_append_str(pinfo->cinfo, COL_INFO, "HCRP stream"); } if (tvb_reported_length_remaining(tvb, offset)) { proto_item *pitem; pitem = proto_tree_add_item(main_tree, hf_bthcrp_data, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_NA); expert_add_info(pinfo, pitem, &ei_bthcrp_unexpected_data); } return offset; } void proto_register_bthcrp(void) { module_t *module; expert_module_t* expert_bthcrp; static hf_register_info hf[] = { { &hf_bthcrp_control_pdu_id, { "Control PDU ID", "bthcrp.control.pdu_id", FT_UINT16, BASE_HEX, VALS(control_pdu_id_vals), 0x00, NULL, HFILL } }, { &hf_bthcrp_control_transaction_id, { "Transaction ID", "bthcrp.control.transaction_id", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_parameter_length, { "Parameter Length", "bthcrp.control.parameter_length", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_status, { "Status", "bthcrp.control.status", FT_UINT16, BASE_HEX, VALS(status_vals), 0x00, NULL, HFILL } }, { &hf_bthcrp_notification_pdu_id, { "Notification PDU ID", "bthcrp.notification.pdu_id", FT_UINT16, BASE_HEX, VALS(notification_pdu_id_vals), 0x00, NULL, HFILL } }, { &hf_bthcrp_callback_context_id, { "Callback Context ID", "bthcrp.callback.context_id", FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_callback_timeout, { "Callback Timeout", "bthcrp.callback.timeout", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_timeout, { "Timeout", "bthcrp.timeout", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_register, { "Register", "bthcrp.register", FT_UINT8, BASE_HEX, VALS(register_vals), 0x00, NULL, HFILL } }, { &hf_bthcrp_control_1284_id, { "1284 ID", "bthcrp.1284_id", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_start_byte, { "Start Byte", "bthcrp.start_byte", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_number_of_bytes, { "Number Of Bytes", "bthcrp.number_of_bytes", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_client_credit_granted, { "Client Credit Granted", "bthcrp.client_credit_granted", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_server_credit_granted, { "Server Credit Granted", "bthcrp.server_credit_granted", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_client_credit_return, { "Client Credit Return", "bthcrp.client_credit_return", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_server_credit_return, { "Server Credit Return", "bthcrp.server_credit_return", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_client_credit_query, { "Client Credit Query", "bthcrp.client_credit_query", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_server_credit_query, { "Server Credit Query", "bthcrp.server_credit_query", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_bthcrp_control_status_reserved_76, { "Reserved", "bthcrp.status.reserved76", FT_UINT8, BASE_DEC, NULL, 0xC0, NULL, HFILL } }, { &hf_bthcrp_control_status_paper_empty, { "Paper Empty", "bthcrp.status.paper_empty", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL } }, { &hf_bthcrp_control_status_select, { "Select", "bthcrp.status.select", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL } }, { &hf_bthcrp_control_status_not_error, { "Not Error", "bthcrp.status.not_error", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL } }, { &hf_bthcrp_control_status_reserved_20, { "Reserved", "bthcrp.status.reserved210", FT_UINT8, BASE_HEX, NULL, 0x07, NULL, HFILL } }, { &hf_bthcrp_data, { "Data", "bthcrp.data", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL } } }; static int *ett[] = { &ett_bthcrp }; static ei_register_info ei[] = { { &ei_bthcrp_control_parameter_length, { "bthcrp.control_parameter_length.bad", PI_PROTOCOL, PI_WARN, "Length bad", EXPFILL }}, { &ei_bthcrp_unexpected_data, { "bthcrp.unexpected_data", PI_PROTOCOL, PI_WARN, "Unexpected data", EXPFILL }}, }; proto_bthcrp = proto_register_protocol("Bluetooth HCRP Profile", "BT HCRP", "bthcrp"); bthcrp_handle = register_dissector("bthcrp", dissect_bthcrp, proto_bthcrp); proto_register_field_array(proto_bthcrp, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_bthcrp = expert_register_protocol(proto_bthcrp); expert_register_field_array(expert_bthcrp, ei, array_length(ei)); module = prefs_register_protocol_subtree("Bluetooth", proto_bthcrp, NULL); prefs_register_static_text_preference(module, "hcrp.version", "Bluetooth Profile HCRP version: 1.2", "Version of profile supported by this dissector."); prefs_register_obsolete_preference(module, "hcrp.is_client"); prefs_register_enum_preference(module, "hcrp.force_client", "Force Client", "If \"yes\" localhost will be treat as Client, \"no\" as Server", &force_client, force_client_enum, false); prefs_register_uint_preference(module, "hcrp.control.psm", "L2CAP PSM for Control", "L2CAP PSM for Control", 10, &psm_control); prefs_register_uint_preference(module, "hcrp.data.psm", "L2CAP PSM for Data", "L2CAP PSM for Data", 10, &psm_data_stream); prefs_register_uint_preference(module, "hcrp.notification.psm", "L2CAP PSM for Notification", "L2CAP PSM for Notification", 10, &psm_notification); } void proto_reg_handoff_bthcrp(void) { dissector_add_string("bluetooth.uuid", "12", bthcrp_handle); dissector_add_string("bluetooth.uuid", "14", bthcrp_handle); dissector_add_string("bluetooth.uuid", "16", bthcrp_handle); dissector_add_string("bluetooth.uuid", "1125", bthcrp_handle); dissector_add_string("bluetooth.uuid", "1126", bthcrp_handle); dissector_add_string("bluetooth.uuid", "1127", bthcrp_handle); dissector_add_for_decode_as("btl2cap.psm", bthcrp_handle); dissector_add_for_decode_as("btl2cap.cid", bthcrp_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: */