git.maemo.org Git - connman/blob - plugins/bluetooth.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <stdlib.h>
  28
  29 #include <gdbus.h>
  30
  31 #define CONNMAN_API_SUBJECT_TO_CHANGE
  32 #include <connman/plugin.h>
  33 #include <connman/device.h>
  34 #include <connman/dbus.h>
  35 #include <connman/log.h>
  36
  37 #include "inet.h"
  38
  39 #define BLUEZ_SERVICE                   "org.bluez"
  40 #define BLUEZ_MANAGER_INTERFACE         BLUEZ_SERVICE ".Manager"
  41 #define BLUEZ_ADAPTER_INTERFACE         BLUEZ_SERVICE ".Adapter"
  42 #define BLUEZ_DEVICE_INTERFACE          BLUEZ_SERVICE ".Device"
  43 #define BLUEZ_NETWORK_INTERFACE         BLUEZ_SERVICE ".Network"
  44
  45 #define LIST_ADAPTERS                   "ListAdapters"
  46 #define ADAPTER_ADDED                   "AdapterAdded"
  47 #define ADAPTER_REMOVED                 "AdapterRemoved"
  48
  49 #define PROPERTY_CHANGED                "PropertyChanged"
  50 #define GET_PROPERTIES                  "GetProperties"
  51 #define SET_PROPERTY                    "SetProperty"
  52
  53 #define CONNECT                         "Connect"
  54 #define DISCONNECT                      "Disconnect"
  55
  56 #define TIMEOUT 5000
  57
  58 typedef void (* properties_callback_t) (DBusConnection *connection,
  59                                                         const char *path,
  60                                                         DBusMessage *message,
  61                                                         void *user_data);
  62
  63 struct properties_data {
  64         DBusConnection *connection;
  65         DBusMessage *message;
  66         properties_callback_t callback;
  67         void *user_data;
  68 };
  69
  70 static void get_properties_reply(DBusPendingCall *call, void *user_data)
  71 {
  72         struct properties_data *data = user_data;
  73         DBusMessage *reply;
  74         const char *path;
  75
  76         reply = dbus_pending_call_steal_reply(call);
  77         if (reply == NULL)
  78                 goto done;
  79
  80         path = dbus_message_get_path(data->message);
  81
  82         data->callback(data->connection, path, reply, data->user_data);
  83
  84         dbus_message_unref(reply);
  85
  86 done:
  87         dbus_message_unref(data->message);
  88         g_free(data);
  89 }
  90
  91 static void get_properties(DBusConnection *connection,
  92                                 const char *path, const char *interface,
  93                                 properties_callback_t callback, void *user_data)
  94 {
  95         struct properties_data *data;
  96         DBusMessage *message;
  97         DBusPendingCall *call;
  98
  99         DBG("path %s interface %s", path, interface);
 100
 101         data = g_try_new0(struct properties_data, 1);
 102         if (data == NULL)
 103                 return;
 104
 105         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 106                                                 interface, GET_PROPERTIES);
 107         if (message == NULL) {
 108                 g_free(data);
 109                 return;
 110         }
 111
 112         if (dbus_connection_send_with_reply(connection, message,
 113                                                 &call, TIMEOUT) == FALSE) {
 114                 connman_error("Failed to get properties for %s", interface);
 115                 dbus_message_unref(message);
 116                 g_free(data);
 117                 return;
 118         }
 119
 120         data->connection = connection;
 121         data->message    = message;
 122         data->callback   = callback;
 123         data->user_data  = user_data;
 124
 125         dbus_pending_call_set_notify(call, get_properties_reply, data, NULL);
 126 }
 127
 128 struct adapter_data {
 129         DBusConnection *connection;
 130 };
 131
 132 struct network_data {
 133         DBusConnection *connection;
 134         char *interface;
 135 };
 136
 137 static int pan_probe(struct connman_network *network)
 138 {
 139         struct connman_device *device = connman_network_get_device(network);
 140         struct adapter_data *adapter;
 141         struct network_data *data;
 142
 143         DBG("network %p", network);
 144
 145         if (device == NULL)
 146                 return -EINVAL;
 147
 148         adapter = connman_device_get_data(device);
 149         if (adapter == NULL)
 150                 return -EINVAL;
 151
 152         data = g_try_new0(struct network_data, 1);
 153         if (data == NULL)
 154                 return -ENOMEM;
 155
 156         data->connection = adapter->connection;
 157
 158         connman_network_set_data(network, data);
 159
 160         return 0;
 161 }
 162
 163 static void pan_remove(struct connman_network *network)
 164 {
 165         struct network_data *data = connman_network_get_data(network);
 166
 167         DBG("network %p", network);
 168
 169         connman_network_set_data(network, NULL);
 170
 171         g_free(data);
 172 }
 173
 174 static void connect_reply(DBusPendingCall *call, void *user_data)
 175 {
 176         struct connman_network *network = user_data;
 177         struct network_data *data = connman_network_get_data(network);
 178         DBusMessage *reply;
 179         DBusError error;
 180         const char *interface = NULL;
 181         int index;
 182
 183         DBG("network %p", network);
 184
 185         reply = dbus_pending_call_steal_reply(call);
 186         if (reply == NULL)
 187                 return;
 188
 189         dbus_error_init(&error);
 190
 191         if (dbus_message_get_args(reply, &error,
 192                                         DBUS_TYPE_STRING, &interface,
 193                                                 DBUS_TYPE_INVALID) == FALSE) {
 194                 if (dbus_error_is_set(&error) == TRUE) {
 195                         connman_error("%s", error.message);
 196                         dbus_error_free(&error);
 197                 } else
 198                         connman_error("Wrong arguments for connect");
 199                 goto done;
 200         }
 201
 202         if (interface == NULL)
 203                 goto done;
 204
 205         DBG("interface %s", interface);
 206
 207         data->interface = g_strdup(interface);
 208
 209         index = inet_name2index(interface);
 210
 211         connman_network_set_index(network, index);
 212         connman_network_set_connected(network, TRUE);
 213
 214 done:
 215         dbus_message_unref(reply);
 216 }
 217
 218 static int pan_connect(struct connman_network *network)
 219 {
 220         struct network_data *data = connman_network_get_data(network);
 221         const char *path = connman_network_get_string(network, "Node");
 222         const char *uuid = "nap";
 223         DBusMessage *message;
 224         DBusPendingCall *call;
 225
 226         DBG("network %p", network);
 227
 228         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 229                                         BLUEZ_NETWORK_INTERFACE, CONNECT);
 230         if (message == NULL)
 231                 return -ENOMEM;
 232
 233         dbus_message_append_args(message, DBUS_TYPE_STRING, &uuid,
 234                                                         DBUS_TYPE_INVALID);
 235
 236         if (dbus_connection_send_with_reply(data->connection, message,
 237                                         &call, TIMEOUT * 10) == FALSE) {
 238                 connman_error("Failed to connect service");
 239                 dbus_message_unref(message);
 240                 return -EINVAL;
 241         }
 242
 243         dbus_pending_call_set_notify(call, connect_reply, network, NULL);
 244
 245         dbus_message_unref(message);
 246
 247         return -EINPROGRESS;
 248 }
 249
 250 static void disconnect_reply(DBusPendingCall *call, void *user_data)
 251 {
 252         struct connman_network *network = user_data;
 253         struct network_data *data = connman_network_get_data(network);
 254         DBusMessage *reply;
 255         DBusError error;
 256
 257         DBG("network %p", network);
 258
 259         reply = dbus_pending_call_steal_reply(call);
 260         if (reply == NULL)
 261                 return;
 262
 263         dbus_error_init(&error);
 264
 265         if (dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) == FALSE) {
 266                 if (dbus_error_is_set(&error) == TRUE) {
 267                         connman_error("%s", error.message);
 268                         dbus_error_free(&error);
 269                 } else
 270                         connman_error("Wrong arguments for disconnect");
 271                 goto done;
 272         }
 273
 274         g_free(data->interface);
 275         data->interface = NULL;
 276
 277         connman_network_set_connected(network, FALSE);
 278         connman_network_set_index(network, -1);
 279
 280 done:
 281         dbus_message_unref(reply);
 282 }
 283
 284 static int pan_disconnect(struct connman_network *network)
 285 {
 286         struct network_data *data = connman_network_get_data(network);
 287         const char *path = connman_network_get_string(network, "Node");
 288         DBusMessage *message;
 289         DBusPendingCall *call;
 290
 291         DBG("network %p", network);
 292
 293         if (data->interface == NULL)
 294                 return -EINVAL;
 295
 296         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 297                                         BLUEZ_NETWORK_INTERFACE, DISCONNECT);
 298         if (message == NULL)
 299                 return -ENOMEM;
 300
 301         dbus_message_append_args(message, DBUS_TYPE_STRING, &data->interface,
 302                                                         DBUS_TYPE_INVALID);
 303
 304         if (dbus_connection_send_with_reply(data->connection, message,
 305                                                 &call, TIMEOUT) == FALSE) {
 306                 connman_error("Failed to disconnect service");
 307                 dbus_message_unref(message);
 308                 return -EINVAL;
 309         }
 310
 311         dbus_pending_call_set_notify(call, disconnect_reply, network, NULL);
 312
 313         dbus_message_unref(message);
 314
 315         return -EINPROGRESS;
 316 }
 317
 318 static struct connman_network_driver pan_driver = {
 319         .name           = "bluetooth-pan",
 320         .type           = CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN,
 321         .probe          = pan_probe,
 322         .remove         = pan_remove,
 323         .connect        = pan_connect,
 324         .disconnect     = pan_disconnect,
 325 };
 326
 327 static int bluetooth_probe(struct connman_device *adapter)
 328 {
 329         struct adapter_data *data;
 330
 331         DBG("adapter %p", adapter);
 332
 333         data = g_try_new0(struct adapter_data, 1);
 334         if (data == NULL)
 335                 return -ENOMEM;
 336
 337         data->connection = connman_dbus_get_connection();
 338         if (data->connection == NULL) {
 339                 g_free(data);
 340                 return -EIO;
 341         }
 342
 343         connman_device_set_data(adapter, data);
 344
 345         return 0;
 346 }
 347
 348 static void bluetooth_remove(struct connman_device *adapter)
 349 {
 350         struct adapter_data *data = connman_device_get_data(adapter);
 351
 352         DBG("adapter %p", adapter);
 353
 354         connman_device_set_data(adapter, NULL);
 355
 356         dbus_connection_unref(data->connection);
 357
 358         g_free(data);
 359 }
 360
 361 static void powered_reply(DBusPendingCall *call, void *user_data)
 362 {
 363         DBusMessage *reply;
 364
 365         DBG("");
 366
 367         reply = dbus_pending_call_steal_reply(call);
 368
 369         dbus_message_unref(reply);
 370 }
 371
 372 static int change_powered(DBusConnection *connection, const char *path,
 373                                                         dbus_bool_t powered)
 374 {
 375         DBusMessage *message;
 376         DBusMessageIter iter;
 377         DBusPendingCall *call;
 378
 379         DBG("");
 380
 381         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 382                                         BLUEZ_ADAPTER_INTERFACE, SET_PROPERTY);
 383         if (message == NULL)
 384                 return -ENOMEM;
 385
 386         dbus_message_iter_init_append(message, &iter);
 387         connman_dbus_property_append_variant(&iter, "Powered",
 388                                                 DBUS_TYPE_BOOLEAN, &powered);
 389
 390         if (dbus_connection_send_with_reply(connection, message,
 391                                                 &call, TIMEOUT) == FALSE) {
 392                 connman_error("Failed to change Powered property");
 393                 dbus_message_unref(message);
 394                 return -EINVAL;
 395         }
 396
 397         dbus_pending_call_set_notify(call, powered_reply, NULL, NULL);
 398
 399         dbus_message_unref(message);
 400
 401         return -EINPROGRESS;
 402 }
 403
 404 static int bluetooth_enable(struct connman_device *adapter)
 405 {
 406         struct adapter_data *data = connman_device_get_data(adapter);
 407         const char *path = connman_device_get_string(adapter, "Node");
 408
 409         DBG("adapter %p", adapter);
 410
 411         return change_powered(data->connection, path, TRUE);
 412 }
 413
 414 static int bluetooth_disable(struct connman_device *adapter)
 415 {
 416         struct adapter_data *data = connman_device_get_data(adapter);
 417         const char *path = connman_device_get_string(adapter, "Node");
 418
 419         DBG("adapter %p", adapter);
 420
 421         return change_powered(data->connection, path, FALSE);
 422 }
 423
 424 static int bluetooth_scan(struct connman_device *adapter)
 425 {
 426         DBG("adapter %p", adapter);
 427
 428         return -EIO;
 429 }
 430
 431 static struct connman_device_driver bluetooth_driver = {
 432         .name           = "bluetooth",
 433         .type           = CONNMAN_DEVICE_TYPE_BLUETOOTH,
 434         .probe          = bluetooth_probe,
 435         .remove         = bluetooth_remove,
 436         .enable         = bluetooth_enable,
 437         .disable        = bluetooth_disable,
 438         .scan           = bluetooth_scan,
 439 };
 440
 441 static GSList *adapter_list = NULL;
 442
 443 static void free_adapters(void)
 444 {
 445         GSList *list;
 446
 447         DBG("");
 448
 449         for (list = adapter_list; list; list = list->next) {
 450                 struct connman_device *adapter = list->data;
 451
 452                 connman_device_unregister(adapter);
 453                 connman_device_unref(adapter);
 454         }
 455
 456         g_slist_free(adapter_list);
 457         adapter_list = NULL;
 458 }
 459
 460 static struct connman_device *find_adapter(const char *path)
 461 {
 462         GSList *list;
 463
 464         DBG("path %s", path);
 465
 466         for (list = adapter_list; list; list = list->next) {
 467                 struct connman_device *adapter = list->data;
 468                 const char *adapter_path = connman_device_get_string(adapter,
 469                                                                         "Node");
 470
 471                 if (adapter_path == NULL)
 472                         continue;
 473
 474                 if (g_str_equal(adapter_path, path) == TRUE)
 475                         return adapter;
 476         }
 477
 478         return NULL;
 479 }
 480
 481 static void device_properties(DBusConnection *connection, const char *path,
 482                                 DBusMessage *message, void *user_data)
 483 {
 484         struct connman_device *device = user_data;
 485         const char *node = g_basename(path);
 486         struct connman_network *network;
 487
 488         DBG("path %s", path);
 489
 490         network = connman_device_get_network(device, node);
 491         if (network != NULL)
 492                 return;
 493
 494         network = connman_network_create(node,
 495                                         CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN);
 496         if (network == NULL)
 497                 return;
 498
 499         connman_network_set_string(network, "Node", path);
 500
 501         connman_device_add_network(device, network);
 502 }
 503
 504 static void check_devices(struct connman_device *adapter,
 505                         DBusConnection *connection, DBusMessageIter *array)
 506 {
 507         DBusMessageIter value;
 508
 509         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
 510                 return;
 511
 512         dbus_message_iter_recurse(array, &value);
 513
 514         while (dbus_message_iter_get_arg_type(&value) == DBUS_TYPE_OBJECT_PATH) {
 515                 const char *path;
 516
 517                 dbus_message_iter_get_basic(&value, &path);
 518
 519                 get_properties(connection, path, BLUEZ_DEVICE_INTERFACE,
 520                                                 device_properties, adapter);
 521
 522                 dbus_message_iter_next(&value);
 523         }
 524 }
 525
 526 static void property_changed(DBusConnection *connection, DBusMessage *message)
 527 {
 528         const char *path = dbus_message_get_path(message);
 529         struct connman_device *adapter;
 530         DBusMessageIter iter, value;
 531         const char *key;
 532
 533         DBG("path %s", path);
 534
 535         adapter = find_adapter(path);
 536         if (adapter == NULL)
 537                 return;
 538
 539         if (dbus_message_iter_init(message, &iter) == FALSE)
 540                 return;
 541
 542         dbus_message_iter_get_basic(&iter, &key);
 543
 544         dbus_message_iter_next(&iter);
 545         dbus_message_iter_recurse(&iter, &value);
 546
 547         if (g_str_equal(key, "Powered") == TRUE) {
 548                 gboolean val;
 549
 550                 dbus_message_iter_get_basic(&value, &val);
 551                 connman_device_set_powered(adapter, val);
 552         } else if (g_str_equal(key, "Discovering") == TRUE) {
 553                 gboolean val;
 554
 555                 dbus_message_iter_get_basic(&value, &val);
 556                 connman_device_set_scanning(adapter, val);
 557         }
 558 }
 559
 560 static void parse_adapter_properties(struct connman_device *adapter,
 561                                                 DBusConnection *connection,
 562                                                         DBusMessage *reply)
 563 {
 564         DBusMessageIter array, dict;
 565
 566         if (dbus_message_iter_init(reply, &array) == FALSE)
 567                 return;
 568
 569         if (dbus_message_iter_get_arg_type(&array) != DBUS_TYPE_ARRAY)
 570                 return;
 571
 572         dbus_message_iter_recurse(&array, &dict);
 573
 574         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 575                 DBusMessageIter entry, value;
 576                 const char *key;
 577
 578                 dbus_message_iter_recurse(&dict, &entry);
 579                 dbus_message_iter_get_basic(&entry, &key);
 580
 581                 dbus_message_iter_next(&entry);
 582                 dbus_message_iter_recurse(&entry, &value);
 583
 584                 if (g_str_equal(key, "Powered") == TRUE) {
 585                         gboolean val;
 586
 587                         dbus_message_iter_get_basic(&value, &val);
 588                         connman_device_set_powered(adapter, val);
 589                 } else if (g_str_equal(key, "Discovering") == TRUE) {
 590                         gboolean val;
 591
 592                         dbus_message_iter_get_basic(&value, &val);
 593                         connman_device_set_scanning(adapter, val);
 594                 } else if (g_str_equal(key, "Devices") == TRUE) {
 595                         check_devices(adapter, connection, &value);
 596                 }
 597
 598                 dbus_message_iter_next(&dict);
 599         }
 600 }
 601
 602 static void adapter_properties(DBusConnection *connection, const char *path,
 603                                 DBusMessage *message, void *user_data)
 604 {
 605         const char *node = g_basename(path);
 606         struct connman_device *adapter;
 607
 608         DBG("path %s", path);
 609
 610         adapter = find_adapter(path);
 611         if (adapter != NULL)
 612                 goto done;
 613
 614         adapter = connman_device_create(node, CONNMAN_DEVICE_TYPE_BLUETOOTH);
 615         if (adapter == NULL)
 616                 return;
 617
 618         connman_device_set_string(adapter, "Node", path);
 619
 620         if (node != NULL && g_str_has_prefix(node, "hci") == TRUE) {
 621                 int index;
 622                 errno = 0;
 623                 index = atoi(node + 3);
 624                 if (errno == 0)
 625                         connman_device_set_index(adapter, index);
 626         }
 627
 628         connman_device_set_interface(adapter, node);
 629
 630         connman_device_set_policy(adapter, CONNMAN_DEVICE_POLICY_MANUAL);
 631         connman_device_set_mode(adapter, CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE);
 632
 633         if (connman_device_register(adapter) < 0) {
 634                 connman_device_unref(adapter);
 635                 return;
 636         }
 637
 638         adapter_list = g_slist_append(adapter_list, adapter);
 639
 640 done:
 641         parse_adapter_properties(adapter, connection, message);
 642 }
 643
 644 static void add_adapter(DBusConnection *connection, const char *path)
 645 {
 646         DBG("path %s", path);
 647
 648         get_properties(connection, path, BLUEZ_ADAPTER_INTERFACE,
 649                                                 adapter_properties, NULL);
 650 }
 651
 652 static void remove_adapter(DBusConnection *connection, const char *path)
 653 {
 654         struct connman_device *adapter;
 655
 656         DBG("path %s", path);
 657
 658         adapter = find_adapter(path);
 659         if (adapter == NULL)
 660                 return;
 661
 662         adapter_list = g_slist_remove(adapter_list, adapter);
 663
 664         connman_device_unregister(adapter);
 665         connman_device_unref(adapter);
 666 }
 667
 668 static void list_adapters_reply(DBusPendingCall *call, void *user_data)
 669 {
 670         DBusConnection *connection = user_data;
 671         DBusMessage *reply;
 672         DBusError error;
 673         char **adapters;
 674         int i, num_adapters;
 675
 676         DBG("");
 677
 678         reply = dbus_pending_call_steal_reply(call);
 679
 680         dbus_error_init(&error);
 681
 682         if (dbus_message_get_args(reply, &error,
 683                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
 684                                                 &adapters, &num_adapters,
 685                                                 DBUS_TYPE_INVALID) == FALSE) {
 686                 if (dbus_error_is_set(&error) == TRUE) {
 687                         connman_error("%s", error.message);
 688                         dbus_error_free(&error);
 689                 } else
 690                         connman_error("Wrong arguments for adapter list");
 691                 goto done;
 692         }
 693
 694         for (i = 0; i < num_adapters; i++)
 695                 get_properties(connection, adapters[i],
 696                                         BLUEZ_ADAPTER_INTERFACE,
 697                                                 adapter_properties, NULL);
 698
 699         g_strfreev(adapters);
 700
 701 done:
 702         dbus_message_unref(reply);
 703 }
 704
 705 static void bluetooth_connect(DBusConnection *connection, void *user_data)
 706 {
 707         DBusMessage *message;
 708         DBusPendingCall *call;
 709
 710         DBG("connection %p", connection);
 711
 712         message = dbus_message_new_method_call(BLUEZ_SERVICE, "/",
 713                                 BLUEZ_MANAGER_INTERFACE, LIST_ADAPTERS);
 714         if (message == NULL)
 715                 return;
 716
 717         if (dbus_connection_send_with_reply(connection, message,
 718                                                 &call, TIMEOUT) == FALSE) {
 719                 connman_error("Failed to get Bluetooth adapters");
 720                 dbus_message_unref(message);
 721                 return;
 722         }
 723
 724         dbus_pending_call_set_notify(call, list_adapters_reply,
 725                                                         connection, NULL);
 726
 727         dbus_message_unref(message);
 728 }
 729
 730 static void bluetooth_disconnect(DBusConnection *connection, void *user_data)
 731 {
 732         DBG("connection %p", connection);
 733
 734         free_adapters();
 735 }
 736
 737 static DBusHandlerResult bluetooth_signal(DBusConnection *connection,
 738                                         DBusMessage *message, void *user_data)
 739 {
 740         if (dbus_message_has_interface(message,
 741                         BLUEZ_MANAGER_INTERFACE) == FALSE &&
 742                                 dbus_message_has_interface(message,
 743                                         BLUEZ_ADAPTER_INTERFACE) == FALSE)
 744                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 745
 746         DBG("connection %p", connection);
 747
 748         if (dbus_message_is_signal(message, BLUEZ_ADAPTER_INTERFACE,
 749                                                 PROPERTY_CHANGED) == TRUE) {
 750                 property_changed(connection, message);
 751         } else if (dbus_message_is_signal(message, BLUEZ_MANAGER_INTERFACE,
 752                                                 ADAPTER_ADDED) == TRUE) {
 753                 const char *path;
 754                 dbus_message_get_args(message, NULL,
 755                                         DBUS_TYPE_OBJECT_PATH, &path,
 756                                                         DBUS_TYPE_INVALID);
 757                 add_adapter(connection, path);
 758         } else if (dbus_message_is_signal(message, BLUEZ_MANAGER_INTERFACE,
 759                                                 ADAPTER_REMOVED) == TRUE) {
 760                 const char *path;
 761                 dbus_message_get_args(message, NULL,
 762                                         DBUS_TYPE_OBJECT_PATH, &path,
 763                                                         DBUS_TYPE_INVALID);
 764                 remove_adapter(connection, path);
 765         }
 766
 767         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 768 }
 769
 770 static DBusConnection *connection;
 771 static guint watch;
 772
 773 static const char *added_rule = "type=signal,member=" ADAPTER_ADDED
 774                                         ",interface=" BLUEZ_MANAGER_INTERFACE;
 775 static const char *removed_rule = "type=signal,member=" ADAPTER_REMOVED
 776                                         ",interface=" BLUEZ_MANAGER_INTERFACE;
 777
 778 static const char *adapter_rule = "type=signal,member=" PROPERTY_CHANGED
 779                                         ",interface=" BLUEZ_ADAPTER_INTERFACE;
 780
 781 static int bluetooth_init(void)
 782 {
 783         int err = -EIO;
 784
 785         connection = connman_dbus_get_connection();
 786         if (connection == NULL)
 787                 return -EIO;
 788
 789         if (dbus_connection_add_filter(connection, bluetooth_signal,
 790                                                         NULL, NULL) == FALSE)
 791                 goto unref;
 792
 793         err = connman_network_driver_register(&pan_driver);
 794         if (err < 0)
 795                 goto remove;
 796
 797         err = connman_device_driver_register(&bluetooth_driver);
 798         if (err < 0) {
 799                 connman_network_driver_unregister(&pan_driver);
 800                 goto remove;
 801         }
 802
 803         watch = g_dbus_add_service_watch(connection, BLUEZ_SERVICE,
 804                         bluetooth_connect, bluetooth_disconnect, NULL, NULL);
 805         if (watch == 0) {
 806                 connman_device_driver_unregister(&bluetooth_driver);
 807                 connman_network_driver_unregister(&pan_driver);
 808                 err = -EIO;
 809                 goto remove;
 810         }
 811
 812         if (g_dbus_check_service(connection, BLUEZ_SERVICE) == TRUE)
 813                 bluetooth_connect(connection, NULL);
 814
 815         dbus_bus_add_match(connection, added_rule, NULL);
 816         dbus_bus_add_match(connection, removed_rule, NULL);
 817         dbus_bus_add_match(connection, adapter_rule, NULL);
 818         dbus_connection_flush(connection);
 819
 820         return 0;
 821
 822 remove:
 823         dbus_connection_remove_filter(connection, bluetooth_signal, NULL);
 824
 825 unref:
 826         dbus_connection_unref(connection);
 827
 828         return err;
 829 }
 830
 831 static void bluetooth_exit(void)
 832 {
 833         dbus_bus_remove_match(connection, adapter_rule, NULL);
 834         dbus_bus_remove_match(connection, removed_rule, NULL);
 835         dbus_bus_remove_match(connection, added_rule, NULL);
 836         dbus_connection_flush(connection);
 837
 838         g_dbus_remove_watch(connection, watch);
 839
 840         free_adapters();
 841
 842         connman_device_driver_unregister(&bluetooth_driver);
 843         connman_network_driver_unregister(&pan_driver);
 844
 845         dbus_connection_remove_filter(connection, bluetooth_signal, NULL);
 846
 847         dbus_connection_unref(connection);
 848 }
 849
 850 CONNMAN_PLUGIN_DEFINE(bluetooth, "Bluetooth technology plugin", VERSION,
 851                                                 bluetooth_init, bluetooth_exit)