| /* |
| * |
| * BlueZ - Bluetooth protocol stack for Linux |
| * |
| * Copyright (C) 2006-2007 Nokia Corporation |
| * Copyright (C) 2004-2008 Marcel Holtmann <marcel@holtmann.org> |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #define _GNU_SOURCE |
| #include <stdio.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/param.h> |
| #include <sys/ioctl.h> |
| #include <sys/socket.h> |
| |
| #include <bluetooth/bluetooth.h> |
| #include <bluetooth/hci.h> |
| #include <bluetooth/hci_lib.h> |
| #include <bluetooth/sdp.h> |
| |
| #include <glib.h> |
| |
| #include <dbus/dbus.h> |
| |
| #include "hcid.h" |
| #include "dbus.h" |
| #include "textfile.h" |
| #include "manager.h" |
| #include "adapter.h" |
| #include "error.h" |
| #include "dbus-helper.h" |
| #include "dbus-common.h" |
| #include "dbus-error.h" |
| #include "dbus-test.h" |
| #include "dbus-service.h" |
| #include "dbus-security.h" |
| #include "dbus-hci.h" |
| |
| static DBusConnection *connection = NULL; |
| |
| void bonding_request_free(struct bonding_request_info *bonding) |
| { |
| if (!bonding) |
| return; |
| |
| if (bonding->rq) |
| dbus_message_unref(bonding->rq); |
| |
| if (bonding->conn) |
| dbus_connection_unref(bonding->conn); |
| |
| if (bonding->io) |
| g_io_channel_unref(bonding->io); |
| |
| g_free(bonding); |
| } |
| |
| int found_device_cmp(const struct remote_dev_info *d1, |
| const struct remote_dev_info *d2) |
| { |
| int ret; |
| |
| if (bacmp(&d2->bdaddr, BDADDR_ANY)) { |
| ret = bacmp(&d1->bdaddr, &d2->bdaddr); |
| if (ret) |
| return ret; |
| } |
| |
| if (d2->name_status != NAME_ANY) { |
| ret = (d1->name_status - d2->name_status); |
| if (ret) |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| int dev_rssi_cmp(struct remote_dev_info *d1, struct remote_dev_info *d2) |
| { |
| int rssi1, rssi2; |
| |
| rssi1 = d1->rssi < 0 ? -d1->rssi : d1->rssi; |
| rssi2 = d2->rssi < 0 ? -d2->rssi : d2->rssi; |
| |
| return rssi1 - rssi2; |
| } |
| |
| int found_device_add(GSList **list, bdaddr_t *bdaddr, int8_t rssi, |
| name_status_t name_status) |
| { |
| struct remote_dev_info *dev, match; |
| GSList *l; |
| |
| memset(&match, 0, sizeof(struct remote_dev_info)); |
| bacpy(&match.bdaddr, bdaddr); |
| match.name_status = NAME_ANY; |
| |
| /* ignore repeated entries */ |
| l = g_slist_find_custom(*list, &match, (GCompareFunc) found_device_cmp); |
| if (l) { |
| /* device found, update the attributes */ |
| dev = l->data; |
| |
| if (rssi != 0) |
| dev->rssi = rssi; |
| |
| /* Get remote name can be received while inquiring. |
| * Keep in mind that multiple inquiry result events can |
| * be received from the same remote device. |
| */ |
| if (name_status != NAME_NOT_REQUIRED) |
| dev->name_status = name_status; |
| |
| *list = g_slist_sort(*list, (GCompareFunc) dev_rssi_cmp); |
| |
| return -EALREADY; |
| } |
| |
| dev = g_new0(struct remote_dev_info, 1); |
| |
| bacpy(&dev->bdaddr, bdaddr); |
| dev->rssi = rssi; |
| dev->name_status = name_status; |
| |
| *list = g_slist_insert_sorted(*list, dev, (GCompareFunc) dev_rssi_cmp); |
| |
| return 0; |
| } |
| |
| static int found_device_remove(GSList **list, bdaddr_t *bdaddr) |
| { |
| struct remote_dev_info *dev, match; |
| GSList *l; |
| |
| memset(&match, 0, sizeof(struct remote_dev_info)); |
| bacpy(&match.bdaddr, bdaddr); |
| |
| l = g_slist_find_custom(*list, &match, (GCompareFunc) found_device_cmp); |
| if (!l) |
| return -1; |
| |
| dev = l->data; |
| *list = g_slist_remove(*list, dev); |
| g_free(dev); |
| |
| return 0; |
| } |
| |
| int active_conn_find_by_bdaddr(const void *data, const void *user_data) |
| { |
| const struct active_conn_info *con = data; |
| const bdaddr_t *bdaddr = user_data; |
| |
| return bacmp(&con->bdaddr, bdaddr); |
| } |
| |
| static int active_conn_find_by_handle(const void *data, const void *user_data) |
| { |
| const struct active_conn_info *dev = data; |
| const uint16_t *handle = user_data; |
| |
| if (dev->handle == *handle) |
| return 0; |
| |
| return -1; |
| } |
| |
| static int active_conn_append(GSList **list, bdaddr_t *bdaddr, |
| uint16_t handle) |
| { |
| struct active_conn_info *dev; |
| |
| dev = g_new0(struct active_conn_info, 1); |
| |
| bacpy(&dev->bdaddr, bdaddr); |
| dev->handle = handle; |
| |
| *list = g_slist_append(*list, dev); |
| return 0; |
| } |
| |
| DBusMessage *new_authentication_return(DBusMessage *msg, uint8_t status) |
| { |
| switch (status) { |
| case 0x00: /* success */ |
| return dbus_message_new_method_return(msg); |
| |
| case 0x04: /* page timeout */ |
| case 0x08: /* connection timeout */ |
| case 0x10: /* connection accept timeout */ |
| case 0x22: /* LMP response timeout */ |
| case 0x28: /* instant passed - is this a timeout? */ |
| return dbus_message_new_error(msg, |
| ERROR_INTERFACE ".AuthenticationTimeout", |
| "Authentication Timeout"); |
| case 0x17: /* too frequent pairing attempts */ |
| return dbus_message_new_error(msg, |
| ERROR_INTERFACE ".RepeatedAttempts", |
| "Repeated Attempts"); |
| |
| case 0x06: |
| case 0x18: /* pairing not allowed (e.g. gw rejected attempt) */ |
| return dbus_message_new_error(msg, |
| ERROR_INTERFACE ".AuthenticationRejected", |
| "Authentication Rejected"); |
| |
| case 0x07: /* memory capacity */ |
| case 0x09: /* connection limit */ |
| case 0x0a: /* synchronous connection limit */ |
| case 0x0d: /* limited resources */ |
| case 0x14: /* terminated due to low resources */ |
| return dbus_message_new_error(msg, |
| ERROR_INTERFACE ".AuthenticationCanceled", |
| "Authentication Canceled"); |
| |
| case 0x05: /* authentication failure */ |
| case 0x0E: /* rejected due to security reasons - is this auth failure? */ |
| case 0x25: /* encryption mode not acceptable - is this auth failure? */ |
| case 0x26: /* link key cannot be changed - is this auth failure? */ |
| case 0x29: /* pairing with unit key unsupported - is this auth failure? */ |
| case 0x2f: /* insufficient security - is this auth failure? */ |
| default: |
| return dbus_message_new_error(msg, |
| ERROR_INTERFACE ".AuthenticationFailed", |
| "Authentication Failed"); |
| } |
| } |
| |
| static dbus_bool_t send_adapter_signal(DBusConnection *conn, int devid, |
| const char *name, int first, ...) |
| { |
| va_list var_args; |
| dbus_bool_t ret; |
| char path[MAX_PATH_LENGTH]; |
| |
| snprintf(path, sizeof(path)-1, "%s/hci%d", BASE_PATH, devid); |
| |
| va_start(var_args, first); |
| ret = dbus_connection_emit_signal_valist(conn, path, ADAPTER_INTERFACE, |
| name, first, var_args); |
| va_end(var_args); |
| |
| return ret; |
| } |
| |
| static void adapter_mode_changed(struct adapter *adapter, |
| const char *path, uint8_t scan_enable) |
| { |
| const char *mode; |
| |
| adapter->scan_enable = scan_enable; |
| |
| switch (scan_enable) { |
| case SCAN_DISABLED: |
| mode = "off"; |
| adapter->mode = MODE_OFF; |
| break; |
| case SCAN_PAGE: |
| mode = "connectable"; |
| adapter->mode = MODE_CONNECTABLE; |
| break; |
| case (SCAN_PAGE | SCAN_INQUIRY): |
| |
| if (adapter->discov_timeout != 0) |
| adapter->timeout_id = g_timeout_add(adapter->discov_timeout * 1000, |
| discov_timeout_handler, adapter); |
| |
| if (adapter->mode == MODE_LIMITED) { |
| mode = "limited"; |
| } else { |
| adapter->mode = MODE_DISCOVERABLE; |
| mode = "discoverable"; |
| } |
| break; |
| case SCAN_INQUIRY: |
| /* Address the scenario where another app changed the scan mode */ |
| if (adapter->discov_timeout != 0) |
| adapter->timeout_id = g_timeout_add(adapter->discov_timeout * 1000, |
| discov_timeout_handler, adapter); |
| /* ignore, this event should not be sent*/ |
| default: |
| /* ignore, reserved */ |
| return; |
| } |
| |
| dbus_connection_emit_signal(connection, path, ADAPTER_INTERFACE, |
| "ModeChanged", |
| DBUS_TYPE_STRING, &mode, |
| DBUS_TYPE_INVALID); |
| } |
| |
| /* |
| * HCI D-Bus services |
| */ |
| static void reply_pending_requests(const char *path, struct adapter *adapter) |
| { |
| if (!path || !adapter) |
| return; |
| |
| /* pending bonding */ |
| if (adapter->bonding) { |
| error_authentication_canceled(connection, adapter->bonding->rq); |
| name_listener_remove(connection, |
| dbus_message_get_sender(adapter->bonding->rq), |
| (name_cb_t) create_bond_req_exit, |
| adapter); |
| if (adapter->bonding->io_id) |
| g_source_remove(adapter->bonding->io_id); |
| g_io_channel_close(adapter->bonding->io); |
| bonding_request_free(adapter->bonding); |
| adapter->bonding = NULL; |
| } |
| |
| /* If there is a pending reply for discovery cancel */ |
| if (adapter->discovery_cancel) { |
| DBusMessage *reply; |
| reply = dbus_message_new_method_return(adapter->discovery_cancel); |
| send_message_and_unref(connection, reply); |
| dbus_message_unref(adapter->discovery_cancel); |
| adapter->discovery_cancel = NULL; |
| } |
| |
| if (adapter->discov_active) { |
| /* Send discovery completed signal if there isn't name |
| * to resolve */ |
| dbus_connection_emit_signal(connection, path, |
| ADAPTER_INTERFACE, |
| "DiscoveryCompleted", |
| DBUS_TYPE_INVALID); |
| |
| /* Cancel inquiry initiated by D-Bus client */ |
| if (adapter->discov_requestor) |
| cancel_discovery(adapter); |
| } |
| |
| if (adapter->pdiscov_active) { |
| /* Send periodic discovery stopped signal exit or stop |
| * the device */ |
| dbus_connection_emit_signal(connection, path, |
| ADAPTER_INTERFACE, |
| "PeriodicDiscoveryStopped", |
| DBUS_TYPE_INVALID); |
| |
| /* Stop periodic inquiry initiated by D-Bus client */ |
| if (adapter->pdiscov_requestor) |
| cancel_periodic_discovery(adapter); |
| } |
| } |
| |
| int unregister_adapter_path(const char *path) |
| { |
| struct adapter *adapter = NULL; |
| |
| info("Unregister path: %s", path); |
| |
| dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter); |
| |
| if (!adapter) |
| goto unreg; |
| |
| /* check pending requests */ |
| reply_pending_requests(path, adapter); |
| |
| cancel_passkey_agent_requests(adapter->passkey_agents, path, NULL); |
| |
| release_passkey_agents(adapter, NULL); |
| |
| if (adapter->discov_requestor) { |
| name_listener_remove(connection, |
| adapter->discov_requestor, |
| (name_cb_t) discover_devices_req_exit, adapter); |
| g_free(adapter->discov_requestor); |
| adapter->discov_requestor = NULL; |
| } |
| |
| if (adapter->pdiscov_requestor) { |
| name_listener_remove(connection, |
| adapter->pdiscov_requestor, |
| (name_cb_t) periodic_discover_req_exit, |
| adapter); |
| g_free(adapter->pdiscov_requestor); |
| adapter->pdiscov_requestor = NULL; |
| } |
| |
| if (adapter->found_devices) { |
| g_slist_foreach(adapter->found_devices, |
| (GFunc) g_free, NULL); |
| g_slist_free(adapter->found_devices); |
| adapter->found_devices = NULL; |
| } |
| |
| if (adapter->oor_devices) { |
| g_slist_foreach(adapter->oor_devices, |
| (GFunc) free, NULL); |
| g_slist_free(adapter->oor_devices); |
| adapter->oor_devices = NULL; |
| } |
| |
| if (adapter->pin_reqs) { |
| g_slist_foreach(adapter->pin_reqs, |
| (GFunc) g_free, NULL); |
| g_slist_free(adapter->pin_reqs); |
| adapter->pin_reqs = NULL; |
| } |
| |
| if (adapter->active_conn) { |
| g_slist_foreach(adapter->active_conn, |
| (GFunc) free, NULL); |
| g_slist_free(adapter->active_conn); |
| adapter->active_conn = NULL; |
| } |
| |
| /* Check if there is a pending RemoteDeviceDisconnect request */ |
| if (adapter->pending_dc) { |
| error_no_such_adapter(adapter->pending_dc->conn, |
| adapter->pending_dc->msg); |
| g_source_remove(adapter->pending_dc->timeout_id); |
| dc_pending_timeout_cleanup(adapter); |
| } |
| |
| g_free(adapter); |
| |
| unreg: |
| if (!dbus_connection_destroy_object_path(connection, path)) { |
| error("D-Bus failed to unregister %s object", path); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| /***************************************************************** |
| * |
| * Section reserved to HCI commands confirmation handling and low |
| * level events(eg: device attached/dettached. |
| * |
| *****************************************************************/ |
| |
| int hcid_dbus_register_device(uint16_t id) |
| { |
| char path[MAX_PATH_LENGTH]; |
| char *pptr = path; |
| struct adapter *adapter; |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| adapter = g_try_new0(struct adapter, 1); |
| if (!adapter) { |
| error("Failed to alloc memory to D-Bus path register data (%s)", |
| path); |
| return -1; |
| } |
| |
| adapter->dev_id = id; |
| adapter->pdiscov_resolve_names = 1; |
| |
| if (!dbus_connection_create_object_path(connection, path, adapter, |
| NULL)) { |
| error("D-Bus failed to register %s object", path); |
| g_free(adapter); |
| return -1; |
| } |
| |
| if (!adapter_init(connection, path)) { |
| error("Adapter interface init failed"); |
| goto failed; |
| } |
| |
| if (!security_init(connection, path)) { |
| error("Security interface init failed"); |
| goto failed; |
| } |
| |
| if (!test_init(connection, path)) { |
| error("Test interface init failed"); |
| goto failed; |
| } |
| |
| /* |
| * Send the adapter added signal |
| */ |
| dbus_connection_emit_signal(connection, BASE_PATH, MANAGER_INTERFACE, |
| "AdapterAdded", |
| DBUS_TYPE_STRING, &pptr, |
| DBUS_TYPE_INVALID); |
| |
| return 0; |
| |
| failed: |
| dbus_connection_destroy_object_path(connection, path); |
| g_free(adapter); |
| |
| return -1; |
| } |
| |
| int hcid_dbus_unregister_device(uint16_t id) |
| { |
| char path[MAX_PATH_LENGTH]; |
| char *pptr = path; |
| int ret; |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| dbus_connection_emit_signal(connection, BASE_PATH, MANAGER_INTERFACE, |
| "AdapterRemoved", |
| DBUS_TYPE_STRING, &pptr, |
| DBUS_TYPE_INVALID); |
| |
| ret = unregister_adapter_path(path); |
| |
| if (ret == 0 && (get_default_adapter() == id || get_default_adapter() < 0)) { |
| int new_default = hci_get_route(NULL); |
| set_default_adapter(new_default); |
| if (new_default >= 0) { |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, |
| new_default); |
| dbus_connection_emit_signal(connection, BASE_PATH, |
| MANAGER_INTERFACE, |
| "DefaultAdapterChanged", |
| DBUS_TYPE_STRING, &pptr, |
| DBUS_TYPE_INVALID); |
| } else { |
| *path = '\0'; |
| dbus_connection_emit_signal(connection, BASE_PATH, |
| MANAGER_INTERFACE, |
| "DefaultAdapterChanged", |
| DBUS_TYPE_STRING, &pptr, |
| DBUS_TYPE_INVALID); |
| } |
| } |
| |
| return ret; |
| } |
| |
| int hcid_dbus_start_device(uint16_t id) |
| { |
| char path[MAX_PATH_LENGTH], *pptr; |
| struct hci_dev_info di; |
| struct adapter* adapter; |
| struct hci_conn_list_req *cl = NULL; |
| struct hci_conn_info *ci; |
| const char *mode; |
| int i, err, dd = -1, ret = -1; |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| if (hci_devinfo(id, &di) < 0) { |
| error("Getting device info failed: hci%d", id); |
| return -1; |
| } |
| |
| if (hci_test_bit(HCI_RAW, &di.flags)) |
| return -1; |
| |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| error("Getting %s path data failed!", path); |
| return -1; |
| } |
| |
| if (hci_test_bit(HCI_INQUIRY, &di.flags)) |
| adapter->discov_active = 1; |
| else |
| adapter->discov_active = 0; |
| |
| adapter->up = 1; |
| adapter->discov_timeout = get_discoverable_timeout(id); |
| adapter->discov_type = DISCOVER_TYPE_NONE; |
| |
| dd = hci_open_dev(id); |
| if (dd < 0) |
| goto failed; |
| |
| adapter->scan_enable = get_startup_scan(id); |
| hci_send_cmd(dd, OGF_HOST_CTL, OCF_WRITE_SCAN_ENABLE, |
| 1, &adapter->scan_enable); |
| /* |
| * Get the adapter Bluetooth address |
| */ |
| err = get_device_address(adapter->dev_id, adapter->address, |
| sizeof(adapter->address)); |
| if (err < 0) |
| goto failed; |
| |
| err = get_device_class(adapter->dev_id, adapter->class); |
| if (err < 0) |
| goto failed; |
| |
| adapter->mode = get_startup_mode(id); |
| if (adapter->mode == MODE_LIMITED) |
| set_limited_discoverable(dd, adapter->class, TRUE); |
| |
| /* |
| * retrieve the active connections: address the scenario where |
| * the are active connections before the daemon've started |
| */ |
| |
| cl = g_malloc0(10 * sizeof(*ci) + sizeof(*cl)); |
| |
| cl->dev_id = id; |
| cl->conn_num = 10; |
| ci = cl->conn_info; |
| |
| if (ioctl(dd, HCIGETCONNLIST, cl) < 0) |
| goto failed; |
| |
| for (i = 0; i < cl->conn_num; i++, ci++) |
| active_conn_append(&adapter->active_conn, |
| &ci->bdaddr, ci->handle); |
| |
| ret = 0; |
| |
| mode = mode2str(adapter->mode); |
| dbus_connection_emit_signal(connection, path, ADAPTER_INTERFACE, |
| "ModeChanged", |
| DBUS_TYPE_STRING, &mode, |
| DBUS_TYPE_INVALID); |
| |
| if (get_default_adapter() < 0) { |
| set_default_adapter(id); |
| pptr = path; |
| dbus_connection_emit_signal(connection, BASE_PATH, |
| MANAGER_INTERFACE, |
| "DefaultAdapterChanged", |
| DBUS_TYPE_STRING, &pptr, |
| DBUS_TYPE_INVALID); |
| } |
| |
| failed: |
| if (dd >= 0) |
| hci_close_dev(dd); |
| |
| g_free(cl); |
| |
| return ret; |
| } |
| |
| static void send_dc_signal(struct active_conn_info *dev, const char *path) |
| { |
| char addr[18]; |
| const char *paddr = addr; |
| |
| ba2str(&dev->bdaddr, addr); |
| |
| dbus_connection_emit_signal(connection, path, ADAPTER_INTERFACE, |
| "RemoteDeviceDisconnected", |
| DBUS_TYPE_STRING, &paddr, |
| DBUS_TYPE_INVALID); |
| } |
| |
| int hcid_dbus_stop_device(uint16_t id) |
| { |
| char path[MAX_PATH_LENGTH]; |
| struct adapter *adapter; |
| const char *mode = "off"; |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| error("Getting %s path data failed!", path); |
| return -1; |
| } |
| /* cancel pending timeout */ |
| if (adapter->timeout_id) { |
| g_source_remove(adapter->timeout_id); |
| adapter->timeout_id = 0; |
| } |
| |
| /* check pending requests */ |
| reply_pending_requests(path, adapter); |
| |
| cancel_passkey_agent_requests(adapter->passkey_agents, path, NULL); |
| |
| release_passkey_agents(adapter, NULL); |
| |
| if (adapter->discov_requestor) { |
| name_listener_remove(connection, adapter->discov_requestor, |
| (name_cb_t) discover_devices_req_exit, |
| adapter); |
| g_free(adapter->discov_requestor); |
| adapter->discov_requestor = NULL; |
| } |
| |
| if (adapter->pdiscov_requestor) { |
| name_listener_remove(connection, adapter->pdiscov_requestor, |
| (name_cb_t) periodic_discover_req_exit, |
| adapter); |
| g_free(adapter->pdiscov_requestor); |
| adapter->pdiscov_requestor = NULL; |
| } |
| |
| if (adapter->found_devices) { |
| g_slist_foreach(adapter->found_devices, (GFunc) g_free, NULL); |
| g_slist_free(adapter->found_devices); |
| adapter->found_devices = NULL; |
| } |
| |
| if (adapter->oor_devices) { |
| g_slist_foreach(adapter->oor_devices, (GFunc) free, NULL); |
| g_slist_free(adapter->oor_devices); |
| adapter->oor_devices = NULL; |
| } |
| |
| if (adapter->pin_reqs) { |
| g_slist_foreach(adapter->pin_reqs, (GFunc) g_free, NULL); |
| g_slist_free(adapter->pin_reqs); |
| adapter->pin_reqs = NULL; |
| } |
| |
| if (adapter->active_conn) { |
| g_slist_foreach(adapter->active_conn, (GFunc) send_dc_signal, path); |
| g_slist_foreach(adapter->active_conn, (GFunc) g_free, NULL); |
| g_slist_free(adapter->active_conn); |
| adapter->active_conn = NULL; |
| } |
| |
| send_adapter_signal(connection, adapter->dev_id, "ModeChanged", |
| DBUS_TYPE_STRING, &mode, |
| DBUS_TYPE_INVALID); |
| |
| adapter->up = 0; |
| adapter->scan_enable = SCAN_DISABLED; |
| adapter->mode = MODE_OFF; |
| adapter->discov_active = 0; |
| adapter->pdiscov_active = 0; |
| adapter->pinq_idle = 0; |
| adapter->discov_type = DISCOVER_TYPE_NONE; |
| |
| return 0; |
| } |
| |
| int pin_req_cmp(const void *p1, const void *p2) |
| { |
| const struct pending_pin_info *pb1 = p1; |
| const struct pending_pin_info *pb2 = p2; |
| |
| return p2 ? bacmp(&pb1->bdaddr, &pb2->bdaddr) : -1; |
| } |
| |
| void hcid_dbus_pending_pin_req_add(bdaddr_t *sba, bdaddr_t *dba) |
| { |
| char path[MAX_PATH_LENGTH], addr[18]; |
| struct adapter *adapter; |
| struct pending_pin_info *info; |
| int id; |
| |
| ba2str(sba, addr); |
| |
| id = hci_devid(addr); |
| if (id < 0) { |
| error("No matching device id for %s", addr); |
| return; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| error("Getting %s path data failed!", path); |
| return; |
| } |
| |
| info = g_new0(struct pending_pin_info, 1); |
| |
| bacpy(&info->bdaddr, dba); |
| adapter->pin_reqs = g_slist_append(adapter->pin_reqs, info); |
| |
| if (adapter->bonding && !bacmp(dba, &adapter->bonding->bdaddr)) |
| adapter->bonding->auth_active = 1; |
| } |
| |
| int hcid_dbus_request_pin(int dev, bdaddr_t *sba, struct hci_conn_info *ci) |
| { |
| char path[MAX_PATH_LENGTH], addr[18]; |
| int id; |
| |
| ba2str(sba, addr); |
| |
| id = hci_devid(addr); |
| if (id < 0) { |
| error("No matching device id for %s", addr); |
| return -1; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| return handle_passkey_request(connection, dev, path, sba, &ci->bdaddr); |
| } |
| |
| int hcid_dbus_confirm_pin(int dev, bdaddr_t *sba, struct hci_conn_info *ci, char *pin) |
| { |
| char path[MAX_PATH_LENGTH], addr[18]; |
| int id; |
| |
| ba2str(sba, addr); |
| |
| id = hci_devid(addr); |
| if (id < 0) { |
| error("No matching device id for %s", addr); |
| return -1; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| return handle_confirm_request(connection, dev, path, sba, &ci->bdaddr, pin); |
| } |
| |
| void hcid_dbus_bonding_process_complete(bdaddr_t *local, bdaddr_t *peer, |
| uint8_t status) |
| { |
| struct adapter *adapter; |
| char path[MAX_PATH_LENGTH], local_addr[18], peer_addr[18]; |
| const char *paddr = peer_addr; |
| GSList *l; |
| int id; |
| |
| ba2str(local, local_addr); |
| ba2str(peer, peer_addr); |
| |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| /* create the authentication reply */ |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| error("Getting %s path data failed!", path); |
| return; |
| } |
| |
| if (status) |
| cancel_passkey_agent_requests(adapter->passkey_agents, path, |
| peer); |
| |
| l = g_slist_find_custom(adapter->pin_reqs, peer, pin_req_cmp); |
| if (l) { |
| void *d = l->data; |
| adapter->pin_reqs = g_slist_remove(adapter->pin_reqs, l->data); |
| g_free(d); |
| |
| if (!status) |
| send_adapter_signal(connection, adapter->dev_id, |
| "BondingCreated", |
| DBUS_TYPE_STRING, &paddr, |
| DBUS_TYPE_INVALID); |
| } |
| |
| release_passkey_agents(adapter, peer); |
| |
| if (!adapter->bonding || bacmp(&adapter->bonding->bdaddr, peer)) |
| return; /* skip: no bonding req pending */ |
| |
| if (adapter->bonding->cancel) { |
| /* reply authentication canceled */ |
| error_authentication_canceled(connection, adapter->bonding->rq); |
| } else { |
| DBusMessage *reply; |
| /* reply authentication success or an error */ |
| reply = new_authentication_return(adapter->bonding->rq, |
| status); |
| send_message_and_unref(connection, reply); |
| } |
| |
| name_listener_remove(connection, |
| dbus_message_get_sender(adapter->bonding->rq), |
| (name_cb_t) create_bond_req_exit, adapter); |
| |
| if (adapter->bonding->io_id) |
| g_source_remove(adapter->bonding->io_id); |
| g_io_channel_close(adapter->bonding->io); |
| bonding_request_free(adapter->bonding); |
| adapter->bonding = NULL; |
| } |
| |
| void hcid_dbus_inquiry_start(bdaddr_t *local) |
| { |
| struct adapter *adapter; |
| char path[MAX_PATH_LENGTH], local_addr[18]; |
| int id; |
| |
| ba2str(local, local_addr); |
| |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| if (dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| adapter->discov_active = 1; |
| /* |
| * Cancel pending remote name request and clean the device list |
| * when inquiry is supported in periodic inquiry idle state. |
| */ |
| if (adapter->pdiscov_active) |
| pending_remote_name_cancel(adapter); |
| |
| /* Disable name resolution for non D-Bus clients */ |
| if (!adapter->discov_requestor) |
| adapter->discov_type &= ~RESOLVE_NAME; |
| } |
| |
| send_adapter_signal(connection, adapter->dev_id, "DiscoveryStarted", |
| DBUS_TYPE_INVALID); |
| } |
| |
| int found_device_req_name(struct adapter *adapter) |
| { |
| struct hci_request rq; |
| evt_cmd_status rp; |
| remote_name_req_cp cp; |
| struct remote_dev_info match; |
| GSList *l; |
| int dd, req_sent = 0; |
| |
| /* get the next remote address */ |
| if (!adapter->found_devices) |
| return -ENODATA; |
| |
| memset(&match, 0, sizeof(struct remote_dev_info)); |
| bacpy(&match.bdaddr, BDADDR_ANY); |
| match.name_status = NAME_REQUIRED; |
| |
| l = g_slist_find_custom(adapter->found_devices, &match, |
| (GCompareFunc) found_device_cmp); |
| if (!l) |
| return -ENODATA; |
| |
| dd = hci_open_dev(adapter->dev_id); |
| if (dd < 0) |
| return -errno; |
| |
| memset(&rq, 0, sizeof(rq)); |
| rq.ogf = OGF_LINK_CTL; |
| rq.ocf = OCF_REMOTE_NAME_REQ; |
| rq.cparam = &cp; |
| rq.clen = REMOTE_NAME_REQ_CP_SIZE; |
| rq.rparam = &rp; |
| rq.rlen = EVT_CMD_STATUS_SIZE; |
| rq.event = EVT_CMD_STATUS; |
| |
| /* send at least one request or return failed if the list is empty */ |
| do { |
| struct remote_dev_info *dev = l->data; |
| char peer_addr[18]; |
| const char *signal = NULL, *paddr = peer_addr; |
| |
| /* flag to indicate the current remote name requested */ |
| dev->name_status = NAME_REQUESTED; |
| |
| memset(&rp, 0, sizeof(rp)); |
| memset(&cp, 0, sizeof(cp)); |
| bacpy(&cp.bdaddr, &dev->bdaddr); |
| cp.pscan_rep_mode = 0x02; |
| |
| ba2str(&dev->bdaddr, peer_addr); |
| |
| if (hci_send_req(dd, &rq, 500) < 0) { |
| error("Unable to send the HCI remote name request: %s (%d)", |
| strerror(errno), errno); |
| signal = "RemoteNameFailed"; |
| } |
| |
| if (rp.status) { |
| error("Remote name request failed with status 0x%02x", |
| rp.status); |
| signal = "RemoteNameFailed"; |
| } |
| |
| if (!signal) { |
| req_sent = 1; |
| /* if we are in discovery, inform application of getting name */ |
| if (adapter->discov_type & (STD_INQUIRY | PERIODIC_INQUIRY)) |
| signal = "RemoteNameRequested"; |
| } |
| |
| if (signal) |
| send_adapter_signal(connection, adapter->dev_id, signal, |
| DBUS_TYPE_STRING, &paddr, |
| DBUS_TYPE_INVALID); |
| |
| if (req_sent) |
| break; |
| |
| /* if failed, request the next element */ |
| /* remove the element from the list */ |
| adapter->found_devices = g_slist_remove(adapter->found_devices, dev); |
| g_free(dev); |
| |
| /* get the next element */ |
| l = g_slist_find_custom(adapter->found_devices, &match, |
| (GCompareFunc) found_device_cmp); |
| |
| } while (l); |
| |
| hci_close_dev(dd); |
| |
| if (!req_sent) |
| return -ENODATA; |
| |
| return 0; |
| } |
| |
| static void send_out_of_range(const char *path, GSList *l) |
| { |
| while (l) { |
| const char *peer_addr = l->data; |
| |
| dbus_connection_emit_signal(connection, path, |
| ADAPTER_INTERFACE, |
| "RemoteDeviceDisappeared", |
| DBUS_TYPE_STRING, &peer_addr, |
| DBUS_TYPE_INVALID); |
| l = l->next; |
| } |
| } |
| |
| void hcid_dbus_inquiry_complete(bdaddr_t *local) |
| { |
| struct adapter *adapter; |
| GSList *l; |
| char path[MAX_PATH_LENGTH], local_addr[18]; |
| struct remote_dev_info *dev; |
| bdaddr_t tmp; |
| int id; |
| |
| ba2str(local, local_addr); |
| |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| error("Getting %s path data failed!", path); |
| goto done; |
| } |
| |
| /* Out of range verification */ |
| if (adapter->pdiscov_active && !adapter->discov_active) { |
| send_out_of_range(path, adapter->oor_devices); |
| |
| g_slist_foreach(adapter->oor_devices, (GFunc) free, NULL); |
| g_slist_free(adapter->oor_devices); |
| adapter->oor_devices = NULL; |
| |
| l = adapter->found_devices; |
| while (l) { |
| dev = l->data; |
| baswap(&tmp, &dev->bdaddr); |
| adapter->oor_devices = g_slist_append(adapter->oor_devices, |
| batostr(&tmp)); |
| l = l->next; |
| } |
| } |
| |
| adapter->pinq_idle = 1; |
| |
| /* |
| * Enable resolution again: standard inquiry can be |
| * received in the periodic inquiry idle state. |
| */ |
| if (adapter->pdiscov_requestor && adapter->pdiscov_resolve_names) |
| adapter->discov_type |= RESOLVE_NAME; |
| |
| /* |
| * The following scenarios can happen: |
| * 1. standard inquiry: always send discovery completed signal |
| * 2. standard inquiry + name resolving: send discovery completed |
| * after name resolving |
| * 3. periodic inquiry: skip discovery completed signal |
| * 4. periodic inquiry + standard inquiry: always send discovery |
| * completed signal |
| * |
| * Keep in mind that non D-Bus requests can arrive. |
| */ |
| |
| if (!found_device_req_name(adapter)) |
| goto done; /* skip - there is name to resolve */ |
| |
| if (adapter->discov_active) { |
| dbus_connection_emit_signal(connection, path, |
| ADAPTER_INTERFACE, |
| "DiscoveryCompleted", |
| DBUS_TYPE_INVALID); |
| adapter->discov_active = 0; |
| } |
| |
| /* free discovered devices list */ |
| g_slist_foreach(adapter->found_devices, (GFunc) g_free, NULL); |
| g_slist_free(adapter->found_devices); |
| adapter->found_devices = NULL; |
| |
| if (adapter->discov_requestor) { |
| name_listener_remove(connection, adapter->discov_requestor, |
| (name_cb_t) discover_devices_req_exit, adapter); |
| g_free(adapter->discov_requestor); |
| adapter->discov_requestor = NULL; |
| |
| /* If there is a pending reply for discovery cancel */ |
| if (adapter->discovery_cancel) { |
| DBusMessage *reply; |
| reply = dbus_message_new_method_return(adapter->discovery_cancel); |
| send_message_and_unref(connection, reply); |
| dbus_message_unref(adapter->discovery_cancel); |
| adapter->discovery_cancel = NULL; |
| } |
| |
| /* reset the discover type for standard inquiry only */ |
| adapter->discov_type &= ~STD_INQUIRY; |
| } |
| |
| done: |
| /* Proceed with any queued up audits */ |
| process_audits_list(path); |
| } |
| |
| void hcid_dbus_periodic_inquiry_start(bdaddr_t *local, uint8_t status) |
| { |
| struct adapter *adapter; |
| char path[MAX_PATH_LENGTH], local_addr[18]; |
| int id; |
| |
| /* Don't send the signal if the cmd failed */ |
| if (status) |
| return; |
| |
| ba2str(local, local_addr); |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| if (dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| adapter->pdiscov_active = 1; |
| |
| /* Disable name resolution for non D-Bus clients */ |
| if (!adapter->pdiscov_requestor) |
| adapter->discov_type &= ~RESOLVE_NAME; |
| } |
| |
| dbus_connection_emit_signal(connection, path, ADAPTER_INTERFACE, |
| "PeriodicDiscoveryStarted", |
| DBUS_TYPE_INVALID); |
| } |
| |
| void hcid_dbus_periodic_inquiry_exit(bdaddr_t *local, uint8_t status) |
| { |
| struct adapter *adapter; |
| char path[MAX_PATH_LENGTH], local_addr[18]; |
| int id; |
| |
| /* Don't send the signal if the cmd failed */ |
| if (status) |
| return; |
| |
| ba2str(local, local_addr); |
| |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| error("Getting %s path data failed!", path); |
| return; |
| } |
| |
| /* reset the discover type to be able to handle D-Bus and non D-Bus |
| * requests */ |
| adapter->pdiscov_active = 0; |
| adapter->discov_type &= ~(PERIODIC_INQUIRY | RESOLVE_NAME); |
| |
| /* free discovered devices list */ |
| g_slist_foreach(adapter->found_devices, (GFunc) g_free, NULL); |
| g_slist_free(adapter->found_devices); |
| adapter->found_devices = NULL; |
| |
| /* free out of range devices list */ |
| g_slist_foreach(adapter->oor_devices, (GFunc) free, NULL); |
| g_slist_free(adapter->oor_devices); |
| adapter->oor_devices = NULL; |
| |
| if (adapter->pdiscov_requestor) { |
| name_listener_remove(connection, adapter->pdiscov_requestor, |
| (name_cb_t) periodic_discover_req_exit, |
| adapter); |
| g_free(adapter->pdiscov_requestor); |
| adapter->pdiscov_requestor = NULL; |
| } |
| |
| /* workaround: inquiry completed is not sent when exiting from |
| * periodic inquiry */ |
| if (adapter->discov_active) { |
| dbus_connection_emit_signal(connection, path, |
| ADAPTER_INTERFACE, |
| "DiscoveryCompleted", |
| DBUS_TYPE_INVALID); |
| adapter->discov_active = 0; |
| } |
| |
| /* Send discovery completed signal if there isn't name to resolve */ |
| dbus_connection_emit_signal(connection, path, ADAPTER_INTERFACE, |
| "PeriodicDiscoveryStopped", |
| DBUS_TYPE_INVALID); |
| } |
| |
| static char *extract_eir_name(uint8_t *data, uint8_t *type) |
| { |
| if (!data || !type) |
| return NULL; |
| |
| if (data[0] == 0) |
| return NULL; |
| |
| *type = data[1]; |
| |
| switch (*type) { |
| case 0x08: |
| case 0x09: |
| return strndup((char *) (data + 2), data[0] - 1); |
| } |
| |
| return NULL; |
| } |
| |
| void hcid_dbus_inquiry_result(bdaddr_t *local, bdaddr_t *peer, uint32_t class, |
| int8_t rssi, uint8_t *data) |
| { |
| char filename[PATH_MAX + 1], path[MAX_PATH_LENGTH]; |
| struct adapter *adapter; |
| GSList *l; |
| char local_addr[18], peer_addr[18], *name, *tmp_name; |
| const char *paddr = peer_addr; |
| struct remote_dev_info match; |
| dbus_int16_t tmp_rssi = rssi; |
| uint8_t name_type = 0x00; |
| name_status_t name_status; |
| int id; |
| |
| ba2str(local, local_addr); |
| ba2str(peer, peer_addr); |
| |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| error("Getting %s path data failed!", path); |
| return; |
| } |
| |
| write_remote_class(local, peer, class); |
| |
| if (data) |
| write_remote_eir(local, peer, data); |
| |
| /* |
| * workaround to identify situation when the daemon started and |
| * a standard inquiry or periodic inquiry was already running |
| */ |
| if (!adapter->discov_active && !adapter->pdiscov_active) |
| adapter->pdiscov_active = 1; |
| |
| /* reset the idle flag when the inquiry complete event arrives */ |
| if (adapter->pdiscov_active) { |
| adapter->pinq_idle = 0; |
| |
| /* Out of range list update */ |
| l = g_slist_find_custom(adapter->oor_devices, peer_addr, |
| (GCompareFunc) strcmp); |
| if (l) { |
| char *dev = l->data; |
| adapter->oor_devices = g_slist_remove(adapter->oor_devices, |
| dev); |
| g_free(dev); |
| } |
| } |
| |
| /* send the device found signal */ |
| dbus_connection_emit_signal(connection, path, ADAPTER_INTERFACE, |
| "RemoteDeviceFound", |
| DBUS_TYPE_STRING, &paddr, |
| DBUS_TYPE_UINT32, &class, |
| DBUS_TYPE_INT16, &tmp_rssi, |
| DBUS_TYPE_INVALID); |
| |
| memset(&match, 0, sizeof(struct remote_dev_info)); |
| bacpy(&match.bdaddr, peer); |
| match.name_status = NAME_SENT; |
| /* if found: don't send the name again */ |
| l = g_slist_find_custom(adapter->found_devices, &match, |
| (GCompareFunc) found_device_cmp); |
| if (l) |
| return; |
| |
| /* the inquiry result can be triggered by NON D-Bus client */ |
| if (adapter->discov_type & RESOLVE_NAME) |
| name_status = NAME_REQUIRED; |
| else |
| name_status = NAME_NOT_REQUIRED; |
| |
| create_name(filename, PATH_MAX, STORAGEDIR, local_addr, "names"); |
| name = textfile_get(filename, peer_addr); |
| |
| tmp_name = extract_eir_name(data, &name_type); |
| if (tmp_name) { |
| if (name_type == 0x09) { |
| write_device_name(local, peer, tmp_name); |
| name_status = NAME_NOT_REQUIRED; |
| |
| if (name) |
| g_free(name); |
| |
| name = tmp_name; |
| } else { |
| if (name) |
| free(tmp_name); |
| else |
| name = tmp_name; |
| } |
| } |
| |
| if (name) { |
| dbus_connection_emit_signal(connection, path, |
| ADAPTER_INTERFACE, |
| "RemoteNameUpdated", |
| DBUS_TYPE_STRING, &paddr, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_INVALID); |
| g_free(name); |
| |
| if (name_type != 0x08) |
| name_status = NAME_SENT; |
| } |
| |
| /* add in the list to track name sent/pending */ |
| found_device_add(&adapter->found_devices, peer, rssi, name_status); |
| } |
| |
| void hcid_dbus_remote_class(bdaddr_t *local, bdaddr_t *peer, uint32_t class) |
| { |
| char local_addr[18], peer_addr[18]; |
| const char *paddr = peer_addr; |
| uint32_t old_class = 0; |
| int id; |
| |
| read_remote_class(local, peer, &old_class); |
| |
| if (old_class == class) |
| return; |
| |
| ba2str(local, local_addr); |
| ba2str(peer, peer_addr); |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| send_adapter_signal(connection, id, "RemoteClassUpdated", |
| DBUS_TYPE_STRING, &paddr, |
| DBUS_TYPE_UINT32, &class, |
| DBUS_TYPE_INVALID); |
| |
| } |
| |
| void hcid_dbus_remote_name(bdaddr_t *local, bdaddr_t *peer, uint8_t status, |
| char *name) |
| { |
| struct adapter *adapter; |
| char path[MAX_PATH_LENGTH], local_addr[18], peer_addr[18]; |
| const char *paddr = peer_addr; |
| int id; |
| |
| ba2str(local, local_addr); |
| ba2str(peer, peer_addr); |
| |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| error("Getting %s path data failed!", path); |
| return; |
| } |
| |
| if (status) |
| dbus_connection_emit_signal(connection, path, |
| ADAPTER_INTERFACE, |
| "RemoteNameFailed", |
| DBUS_TYPE_STRING, &paddr, |
| DBUS_TYPE_INVALID); |
| else |
| dbus_connection_emit_signal(connection, path, |
| ADAPTER_INTERFACE, |
| "RemoteNameUpdated", |
| DBUS_TYPE_STRING, &paddr, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_INVALID); |
| |
| /* remove from remote name request list */ |
| found_device_remove(&adapter->found_devices, peer); |
| |
| /* check if there is more devices to request names */ |
| if (!found_device_req_name(adapter)) |
| return; /* skip if a new request has been sent */ |
| |
| /* free discovered devices list */ |
| g_slist_foreach(adapter->found_devices, (GFunc) g_free, NULL); |
| g_slist_free(adapter->found_devices); |
| adapter->found_devices = NULL; |
| |
| /* The discovery completed signal must be sent only for discover |
| * devices request WITH name resolving */ |
| if (adapter->discov_requestor) { |
| name_listener_remove(connection, adapter->discov_requestor, |
| (name_cb_t) discover_devices_req_exit, adapter); |
| g_free(adapter->discov_requestor); |
| adapter->discov_requestor = NULL; |
| |
| /* If there is a pending reply for discovery cancel */ |
| if (adapter->discovery_cancel) { |
| DBusMessage *reply; |
| reply = dbus_message_new_method_return(adapter->discovery_cancel); |
| send_message_and_unref(connection, reply); |
| dbus_message_unref(adapter->discovery_cancel); |
| adapter->discovery_cancel = NULL; |
| } |
| |
| /* Disable name resolution for non D-Bus clients */ |
| if (!adapter->pdiscov_requestor) |
| adapter->discov_type &= ~RESOLVE_NAME; |
| } |
| |
| if (adapter->discov_active) { |
| dbus_connection_emit_signal(connection, path, |
| ADAPTER_INTERFACE, |
| "DiscoveryCompleted", |
| DBUS_TYPE_INVALID); |
| adapter->discov_active = 0; |
| } |
| } |
| |
| void hcid_dbus_conn_complete(bdaddr_t *local, uint8_t status, uint16_t handle, |
| bdaddr_t *peer) |
| { |
| char path[MAX_PATH_LENGTH], local_addr[18], peer_addr[18]; |
| const char *paddr = peer_addr; |
| struct adapter *adapter; |
| int id; |
| |
| ba2str(local, local_addr); |
| ba2str(peer, peer_addr); |
| |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| error("Getting %s path data failed!", path); |
| return; |
| } |
| |
| if (status) { |
| GSList *l; |
| |
| cancel_passkey_agent_requests(adapter->passkey_agents, path, |
| peer); |
| release_passkey_agents(adapter, peer); |
| |
| l = g_slist_find_custom(adapter->pin_reqs, peer, pin_req_cmp); |
| if (l) { |
| struct pending_pin_req *p = l->data; |
| adapter->pin_reqs = g_slist_remove(adapter->pin_reqs, p); |
| g_free(p); |
| } |
| |
| if (adapter->bonding) |
| adapter->bonding->hci_status = status; |
| } else { |
| /* Send the remote device connected signal */ |
| dbus_connection_emit_signal(connection, path, |
| ADAPTER_INTERFACE, |
| "RemoteDeviceConnected", |
| DBUS_TYPE_STRING, &paddr, |
| DBUS_TYPE_INVALID); |
| |
| /* add in the active connetions list */ |
| active_conn_append(&adapter->active_conn, peer, handle); |
| } |
| } |
| |
| void hcid_dbus_disconn_complete(bdaddr_t *local, uint8_t status, |
| uint16_t handle, uint8_t reason) |
| { |
| DBusMessage *reply; |
| char path[MAX_PATH_LENGTH], local_addr[18], peer_addr[18]; |
| const char *paddr = peer_addr; |
| struct adapter *adapter; |
| struct active_conn_info *dev; |
| GSList *l; |
| int id; |
| |
| if (status) { |
| error("Disconnection failed: 0x%02x", status); |
| return; |
| } |
| |
| ba2str(local, local_addr); |
| |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| error("Getting %s path data failed!", path); |
| return; |
| } |
| |
| l = g_slist_find_custom(adapter->active_conn, &handle, |
| active_conn_find_by_handle); |
| |
| if (!l) |
| return; |
| |
| dev = l->data; |
| |
| ba2str(&dev->bdaddr, peer_addr); |
| |
| /* clean pending HCI cmds */ |
| hci_req_queue_remove(adapter->dev_id, &dev->bdaddr); |
| |
| /* Cancel D-Bus/non D-Bus requests */ |
| cancel_passkey_agent_requests(adapter->passkey_agents, path, |
| &dev->bdaddr); |
| release_passkey_agents(adapter, &dev->bdaddr); |
| |
| l = g_slist_find_custom(adapter->pin_reqs, &dev->bdaddr, pin_req_cmp); |
| if (l) { |
| struct pending_pin_req *p = l->data; |
| adapter->pin_reqs = g_slist_remove(adapter->pin_reqs, p); |
| g_free(p); |
| } |
| |
| /* Check if there is a pending CreateBonding request */ |
| if (adapter->bonding && (bacmp(&adapter->bonding->bdaddr, &dev->bdaddr) == 0)) { |
| if (adapter->bonding->cancel) { |
| /* reply authentication canceled */ |
| error_authentication_canceled(connection, |
| adapter->bonding->rq); |
| } else { |
| reply = new_authentication_return(adapter->bonding->rq, |
| HCI_AUTHENTICATION_FAILURE); |
| send_message_and_unref(connection, reply); |
| } |
| |
| name_listener_remove(connection, |
| dbus_message_get_sender(adapter->bonding->rq), |
| (name_cb_t) create_bond_req_exit, |
| adapter); |
| if (adapter->bonding->io_id) |
| g_source_remove(adapter->bonding->io_id); |
| g_io_channel_close(adapter->bonding->io); |
| bonding_request_free(adapter->bonding); |
| adapter->bonding = NULL; |
| } |
| |
| /* Check if there is a pending RemoteDeviceDisconnect request */ |
| if (adapter->pending_dc) { |
| reply = dbus_message_new_method_return(adapter->pending_dc->msg); |
| if (!reply) |
| error("Failed to allocate disconnect reply"); |
| else |
| send_message_and_unref(adapter->pending_dc->conn, reply); |
| |
| g_source_remove(adapter->pending_dc->timeout_id); |
| dc_pending_timeout_cleanup(adapter); |
| } |
| |
| /* Send the remote device disconnected signal */ |
| dbus_connection_emit_signal(connection, path, ADAPTER_INTERFACE, |
| "RemoteDeviceDisconnected", |
| DBUS_TYPE_STRING, &paddr, |
| DBUS_TYPE_INVALID); |
| |
| adapter->active_conn = g_slist_remove(adapter->active_conn, dev); |
| g_free(dev); |
| |
| } |
| |
| int set_limited_discoverable(int dd, const uint8_t *cls, gboolean limited) |
| { |
| uint32_t dev_class; |
| int err; |
| int num = (limited ? 2 : 1); |
| uint8_t lap[] = { 0x33, 0x8b, 0x9e, 0x00, 0x8b, 0x9e }; |
| /* |
| * 1: giac |
| * 2: giac + liac |
| */ |
| if (hci_write_current_iac_lap(dd, num, lap, 1000) < 0) { |
| err = errno; |
| error("Can't write current IAC LAP: %s(%d)", |
| strerror(err), err); |
| return -err; |
| } |
| |
| if (limited) { |
| if (cls[1] & 0x20) |
| return 0; /* Already limited */ |
| |
| dev_class = (cls[2] << 16) | ((cls[1] | 0x20) << 8) | cls[0]; |
| } else { |
| if (!(cls[1] & 0x20)) |
| return 0; /* Already clear */ |
| |
| dev_class = (cls[2] << 16) | ((cls[1] & 0xdf) << 8) | cls[0]; |
| } |
| |
| if (hci_write_class_of_dev(dd, dev_class, 1000) < 0) { |
| err = errno; |
| error("Can't write class of device: %s (%d)", |
| strerror(err), err); |
| return -err; |
| } |
| |
| return 0; |
| } |
| |
| int set_service_classes(int dd, const uint8_t *cls, uint8_t value) |
| { |
| uint32_t dev_class; |
| int err; |
| |
| if (cls[2] == value) |
| return 0; /* Already set */ |
| |
| dev_class = (value << 16) | (cls[1] << 8) | cls[0]; |
| |
| if (hci_write_class_of_dev(dd, dev_class, 1000) < 0) { |
| err = errno; |
| error("Can't write class of device: %s (%d)", |
| strerror(err), err); |
| return -err; |
| } |
| |
| return 0; |
| } |
| |
| gboolean discov_timeout_handler(void *data) |
| { |
| struct adapter *adapter = data; |
| struct hci_request rq; |
| int dd; |
| uint8_t scan_enable = adapter->scan_enable; |
| uint8_t status = 0; |
| gboolean retval = TRUE; |
| |
| scan_enable &= ~SCAN_INQUIRY; |
| |
| dd = hci_open_dev(adapter->dev_id); |
| if (dd < 0) { |
| error("HCI device open failed: hci%d", adapter->dev_id); |
| return TRUE; |
| } |
| |
| memset(&rq, 0, sizeof(rq)); |
| rq.ogf = OGF_HOST_CTL; |
| rq.ocf = OCF_WRITE_SCAN_ENABLE; |
| rq.cparam = &scan_enable; |
| rq.clen = sizeof(scan_enable); |
| rq.rparam = &status; |
| rq.rlen = sizeof(status); |
| rq.event = EVT_CMD_COMPLETE; |
| |
| if (hci_send_req(dd, &rq, 1000) < 0) { |
| error("Sending write scan enable command to hci%d failed: %s (%d)", |
| adapter->dev_id, strerror(errno), errno); |
| goto failed; |
| } |
| if (status) { |
| error("Setting scan enable failed with status 0x%02x", status); |
| goto failed; |
| } |
| |
| set_limited_discoverable(dd, adapter->class, FALSE); |
| |
| adapter->timeout_id = 0; |
| retval = FALSE; |
| |
| failed: |
| if (dd >= 0) |
| hci_close_dev(dd); |
| |
| return retval; |
| } |
| |
| /* Section reserved to device HCI callbacks */ |
| |
| void hcid_dbus_setname_complete(bdaddr_t *local) |
| { |
| int id, dd = -1; |
| read_local_name_rp rp; |
| struct hci_request rq; |
| const char *pname = (char *) rp.name; |
| char local_addr[18], name[249]; |
| |
| ba2str(local, local_addr); |
| |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| dd = hci_open_dev(id); |
| if (dd < 0) { |
| error("HCI device open failed: hci%d", id); |
| memset(&rp, 0, sizeof(rp)); |
| } else { |
| memset(&rq, 0, sizeof(rq)); |
| rq.ogf = OGF_HOST_CTL; |
| rq.ocf = OCF_READ_LOCAL_NAME; |
| rq.rparam = &rp; |
| rq.rlen = READ_LOCAL_NAME_RP_SIZE; |
| rq.event = EVT_CMD_COMPLETE; |
| |
| if (hci_send_req(dd, &rq, 1000) < 0) { |
| error("Sending getting name command failed: %s (%d)", |
| strerror(errno), errno); |
| rp.name[0] = '\0'; |
| } |
| |
| if (rp.status) { |
| error("Getting name failed with status 0x%02x", |
| rp.status); |
| rp.name[0] = '\0'; |
| } |
| hci_close_dev(dd); |
| } |
| |
| strncpy(name, pname, sizeof(name) - 1); |
| name[248] = '\0'; |
| pname = name; |
| |
| send_adapter_signal(connection, id, "NameChanged", |
| DBUS_TYPE_STRING, &pname, DBUS_TYPE_INVALID); |
| } |
| |
| void hcid_dbus_setscan_enable_complete(bdaddr_t *local) |
| { |
| struct adapter *adapter; |
| char path[MAX_PATH_LENGTH], local_addr[18]; |
| read_scan_enable_rp rp; |
| struct hci_request rq; |
| int id, dd = -1; |
| |
| ba2str(local, local_addr); |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| dd = hci_open_dev(id); |
| if (dd < 0) { |
| error("HCI device open failed: hci%d", id); |
| return; |
| } |
| |
| memset(&rq, 0, sizeof(rq)); |
| rq.ogf = OGF_HOST_CTL; |
| rq.ocf = OCF_READ_SCAN_ENABLE; |
| rq.rparam = &rp; |
| rq.rlen = READ_SCAN_ENABLE_RP_SIZE; |
| rq.event = EVT_CMD_COMPLETE; |
| |
| if (hci_send_req(dd, &rq, 1000) < 0) { |
| error("Sending read scan enable command failed: %s (%d)", |
| strerror(errno), errno); |
| goto failed; |
| } |
| |
| if (rp.status) { |
| error("Getting scan enable failed with status 0x%02x", |
| rp.status); |
| goto failed; |
| } |
| |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| error("Getting %s path data failed!", path); |
| goto failed; |
| } |
| |
| if (adapter->timeout_id) { |
| g_source_remove(adapter->timeout_id); |
| adapter->timeout_id = 0; |
| } |
| |
| if (adapter->scan_enable != rp.enable) |
| adapter_mode_changed(adapter, path, rp.enable); |
| |
| failed: |
| if (dd >= 0) |
| hci_close_dev(dd); |
| } |
| |
| void hcid_dbus_write_class_complete(bdaddr_t *local) |
| { |
| struct adapter *adapter; |
| char path[MAX_PATH_LENGTH], local_addr[18]; |
| int id, dd; |
| uint8_t cls[3]; |
| |
| ba2str(local, local_addr); |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| error("Getting %s path data failed!", path); |
| return; |
| } |
| |
| dd = hci_open_dev(id); |
| if (dd < 0) { |
| error("HCI device open failed: hci%d", id); |
| return; |
| } |
| |
| if (hci_read_class_of_dev(dd, cls, 1000) < 0) { |
| error("Can't read class of device on hci%d: %s (%d)", |
| id, strerror(errno), errno); |
| hci_close_dev(dd); |
| return; |
| } |
| |
| write_local_class(local, cls); |
| set_device_class(adapter->dev_id, cls); |
| memcpy(adapter->class, cls, 3); |
| |
| hci_close_dev(dd); |
| } |
| |
| void hcid_dbus_write_simple_pairing_mode_complete(bdaddr_t *local) |
| { |
| char addr[18]; |
| int dev_id, dd; |
| uint8_t mode; |
| |
| ba2str(local, addr); |
| |
| dev_id = hci_devid(addr); |
| if (dev_id < 0) { |
| error("No matching device id for %s", addr); |
| return; |
| } |
| |
| dd = hci_open_dev(dev_id); |
| if (dd < 0) { |
| error("HCI device open failed: hci%d", dev_id); |
| return; |
| } |
| |
| if (hci_read_simple_pairing_mode(dd, &mode, 1000) < 0) { |
| error("Can't read class of device on hci%d: %s(%d)", |
| dev_id, strerror(errno), errno); |
| hci_close_dev(dd); |
| return; |
| } |
| |
| set_simple_pairing_mode(dev_id, mode); |
| |
| hci_close_dev(dd); |
| } |
| |
| void hcid_dbus_pin_code_reply(bdaddr_t *local, void *ptr) |
| { |
| |
| typedef struct { |
| uint8_t status; |
| bdaddr_t bdaddr; |
| } __attribute__ ((packed)) ret_pin_code_req_reply; |
| |
| struct adapter *adapter; |
| ret_pin_code_req_reply *ret = ptr + EVT_CMD_COMPLETE_SIZE; |
| GSList *l; |
| char path[MAX_PATH_LENGTH], local_addr[18]; |
| int id; |
| |
| ba2str(local, local_addr); |
| id = hci_devid(local_addr); |
| if (id < 0) { |
| error("No matching device id for %s", local_addr); |
| return; |
| } |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, id); |
| |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &adapter)) { |
| error("Getting %s path data failed!", path); |
| return; |
| } |
| |
| l = g_slist_find_custom(adapter->pin_reqs, &ret->bdaddr, pin_req_cmp); |
| if (l) { |
| struct pending_pin_info *p = l->data; |
| p->replied = 1; |
| } |
| } |
| |
| void create_bond_req_exit(const char *name, struct adapter *adapter) |
| { |
| char path[MAX_PATH_LENGTH]; |
| GSList *l; |
| |
| snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, adapter->dev_id); |
| |
| debug("CreateConnection requestor (%s) exited before bonding was completed", |
| name); |
| |
| cancel_passkey_agent_requests(adapter->passkey_agents, path, |
| &adapter->bonding->bdaddr); |
| release_passkey_agents(adapter, &adapter->bonding->bdaddr); |
| |
| l = g_slist_find_custom(adapter->pin_reqs, &adapter->bonding->bdaddr, |
| pin_req_cmp); |
| if (l) { |
| struct pending_pin_info *p = l->data; |
| |
| if (!p->replied) { |
| int dd; |
| |
| dd = hci_open_dev(adapter->dev_id); |
| if (dd >= 0) { |
| hci_send_cmd(dd, OGF_LINK_CTL, |
| OCF_PIN_CODE_NEG_REPLY, |
| 6, &adapter->bonding->bdaddr); |
| hci_close_dev(dd); |
| } |
| } |
| |
| adapter->pin_reqs = g_slist_remove(adapter->pin_reqs, p); |
| g_free(p); |
| } |
| |
| g_io_channel_close(adapter->bonding->io); |
| if (adapter->bonding->io_id) |
| g_source_remove(adapter->bonding->io_id); |
| bonding_request_free(adapter->bonding); |
| adapter->bonding = NULL; |
| } |
| |
| void discover_devices_req_exit(const char *name, struct adapter *adapter) |
| { |
| debug("DiscoverDevices requestor (%s) exited", name); |
| |
| /* Cleanup the discovered devices list and send the command to cancel |
| * inquiry or cancel remote name request. The return can be ignored. */ |
| cancel_discovery(adapter); |
| } |
| |
| static int inquiry_cancel(int dd, int to) |
| { |
| struct hci_request rq; |
| uint8_t status; |
| |
| memset(&rq, 0, sizeof(rq)); |
| rq.ogf = OGF_LINK_CTL; |
| rq.ocf = OCF_INQUIRY_CANCEL; |
| rq.rparam = &status; |
| rq.rlen = sizeof(status); |
| rq.event = EVT_CMD_COMPLETE; |
| |
| if (hci_send_req(dd, &rq, to) < 0) |
| return -1; |
| |
| if (status) { |
| errno = bt_error(status); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| static int remote_name_cancel(int dd, bdaddr_t *dba, int to) |
| { |
| remote_name_req_cancel_cp cp; |
| struct hci_request rq; |
| uint8_t status; |
| |
| memset(&rq, 0, sizeof(rq)); |
| memset(&cp, 0, sizeof(cp)); |
| |
| bacpy(&cp.bdaddr, dba); |
| |
| rq.ogf = OGF_LINK_CTL; |
| rq.ocf = OCF_REMOTE_NAME_REQ_CANCEL; |
| rq.cparam = &cp; |
| rq.clen = REMOTE_NAME_REQ_CANCEL_CP_SIZE; |
| rq.rparam = &status; |
| rq.rlen = sizeof(status); |
| rq.event = EVT_CMD_COMPLETE; |
| |
| if (hci_send_req(dd, &rq, to) < 0) |
| return -1; |
| |
| if (status) { |
| errno = bt_error(status); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| int cancel_discovery(struct adapter *adapter) |
| { |
| struct remote_dev_info *dev, match; |
| GSList *l; |
| int dd, err = 0; |
| |
| if (!adapter->discov_active) |
| goto cleanup; |
| |
| dd = hci_open_dev(adapter->dev_id); |
| if (dd < 0) { |
| err = -ENODEV; |
| goto cleanup; |
| } |
| |
| /* |
| * If there is a pending read remote name request means |
| * that the inquiry complete event was already received |
| */ |
| memset(&match, 0, sizeof(struct remote_dev_info)); |
| bacpy(&match.bdaddr, BDADDR_ANY); |
| match.name_status = NAME_REQUESTED; |
| |
| l = g_slist_find_custom(adapter->found_devices, &match, |
| (GCompareFunc) found_device_cmp); |
| if (l) { |
| dev = l->data; |
| if (remote_name_cancel(dd, &dev->bdaddr, 1000) < 0) { |
| error("Read remote name cancel failed: %s, (%d)", |
| strerror(errno), errno); |
| err = -errno; |
| } |
| } else { |
| if (inquiry_cancel(dd, 1000) < 0) { |
| error("Inquiry cancel failed:%s (%d)", |
| strerror(errno), errno); |
| err = -errno; |
| } |
| } |
| |
| hci_close_dev(dd); |
| |
| cleanup: |
| /* |
| * Reset discov_requestor and discover_state in the remote name |
| * request event handler or in the inquiry complete handler. |
| */ |
| g_slist_foreach(adapter->found_devices, (GFunc) g_free, NULL); |
| g_slist_free(adapter->found_devices); |
| adapter->found_devices = NULL; |
| |
| /* Disable name resolution for non D-Bus clients */ |
| if (!adapter->pdiscov_requestor) |
| adapter->discov_type &= ~RESOLVE_NAME; |
| |
| return err; |
| } |
| |
| void periodic_discover_req_exit(const char *name, struct adapter *adapter) |
| { |
| debug("PeriodicDiscovery requestor (%s) exited", name); |
| |
| /* Cleanup the discovered devices list and send the cmd to exit from |
| * periodic inquiry or cancel remote name request. The return value can |
| * be ignored. */ |
| |
| cancel_periodic_discovery(adapter); |
| } |
| |
| static int periodic_inquiry_exit(int dd, int to) |
| { |
| struct hci_request rq; |
| uint8_t status; |
| |
| memset(&rq, 0, sizeof(rq)); |
| rq.ogf = OGF_LINK_CTL; |
| rq.ocf = OCF_EXIT_PERIODIC_INQUIRY; |
| rq.rparam = &status; |
| rq.rlen = sizeof(status); |
| rq.event = EVT_CMD_COMPLETE; |
| |
| if (hci_send_req(dd, &rq, to) < 0) |
| return -1; |
| |
| if (status) { |
| errno = status; |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| int cancel_periodic_discovery(struct adapter *adapter) |
| { |
| struct remote_dev_info *dev, match; |
| GSList *l; |
| int dd, err = 0; |
| |
| if (!adapter->pdiscov_active) |
| goto cleanup; |
| |
| dd = hci_open_dev(adapter->dev_id); |
| if (dd < 0) { |
| err = -ENODEV; |
| goto cleanup; |
| } |
| /* find the pending remote name request */ |
| memset(&match, 0, sizeof(struct remote_dev_info)); |
| bacpy(&match.bdaddr, BDADDR_ANY); |
| match.name_status = NAME_REQUESTED; |
| |
| l = g_slist_find_custom(adapter->found_devices, &match, |
| (GCompareFunc) found_device_cmp); |
| if (l) { |
| dev = l->data; |
| if (remote_name_cancel(dd, &dev->bdaddr, 1000) < 0) { |
| error("Read remote name cancel failed: %s, (%d)", |
| strerror(errno), errno); |
| err = -errno; |
| } |
| } |
| |
| /* ovewrite err if necessary: stop periodic inquiry has higher |
| * priority */ |
| if (periodic_inquiry_exit(dd, 1000) < 0) { |
| error("Periodic Inquiry exit failed:%s (%d)", |
| strerror(errno), errno); |
| err = -errno; |
| } |
| |
| hci_close_dev(dd); |
| |
| cleanup: |
| /* |
| * Reset pdiscov_requestor and pdiscov_active is done when the |
| * cmd complete event for exit periodic inquiry mode cmd arrives. |
| */ |
| g_slist_foreach(adapter->found_devices, (GFunc) g_free, NULL); |
| g_slist_free(adapter->found_devices); |
| adapter->found_devices = NULL; |
| |
| return err; |
| } |
| |
| /* Most of the functions in this module require easy access to a connection so |
| * we keep it global here and provide these access functions the other (few) |
| * modules that require access to it */ |
| |
| void set_dbus_connection(DBusConnection *conn) |
| { |
| connection = conn; |
| } |
| |
| DBusConnection *get_dbus_connection(void) |
| { |
| return connection; |
| } |