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 <stdio.h>
  27 #include <errno.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <netinet/ether.h>
  31
  32 #include <gdbus.h>
  33
  34 #define CONNMAN_API_SUBJECT_TO_CHANGE
  35 #include <connman/plugin.h>
  36 #include <connman/device.h>
  37 #include <connman/inet.h>
  38 #include <connman/dbus.h>
  39 #include <connman/log.h>
  40
  41 #define BLUEZ_SERVICE                   "org.bluez"
  42 #define BLUEZ_MANAGER_INTERFACE         BLUEZ_SERVICE ".Manager"
  43 #define BLUEZ_ADAPTER_INTERFACE         BLUEZ_SERVICE ".Adapter"
  44 #define BLUEZ_DEVICE_INTERFACE          BLUEZ_SERVICE ".Device"
  45 #define BLUEZ_NETWORK_INTERFACE         BLUEZ_SERVICE ".Network"
  46
  47 #define LIST_ADAPTERS                   "ListAdapters"
  48 #define ADAPTER_ADDED                   "AdapterAdded"
  49 #define ADAPTER_REMOVED                 "AdapterRemoved"
  50
  51 #define PROPERTY_CHANGED                "PropertyChanged"
  52 #define GET_PROPERTIES                  "GetProperties"
  53 #define SET_PROPERTY                    "SetProperty"
  54
  55 #define CONNECT                         "Connect"
  56 #define DISCONNECT                      "Disconnect"
  57
  58 #define UUID_NAP        "00001116-0000-1000-8000-00805f9b34fb"
  59
  60 #define TIMEOUT 5000
  61
  62 static DBusConnection *connection;
  63
  64 static GHashTable *bluetooth_devices = NULL;
  65
  66 static int pan_probe(struct connman_network *network)
  67 {
  68         DBG("network %p", network);
  69
  70         return 0;
  71 }
  72
  73 static void pan_remove(struct connman_network *network)
  74 {
  75         DBG("network %p", network);
  76 }
  77
  78 static void connect_reply(DBusPendingCall *call, void *user_data)
  79 {
  80         struct connman_network *network = user_data;
  81         DBusMessage *reply;
  82         DBusError error;
  83         const char *interface = NULL;
  84         int index;
  85
  86         DBG("network %p", network);
  87
  88         reply = dbus_pending_call_steal_reply(call);
  89         if (reply == NULL)
  90                 return;
  91
  92         dbus_error_init(&error);
  93
  94         if (dbus_message_get_args(reply, &error,
  95                                         DBUS_TYPE_STRING, &interface,
  96                                                 DBUS_TYPE_INVALID) == FALSE) {
  97                 if (dbus_error_is_set(&error) == TRUE) {
  98                         connman_error("%s", error.message);
  99                         dbus_error_free(&error);
 100                 } else
 101                         connman_error("Wrong arguments for connect");
 102                 goto done;
 103         }
 104
 105         if (interface == NULL)
 106                 goto done;
 107
 108         DBG("interface %s", interface);
 109
 110         index = connman_inet_ifindex(interface);
 111
 112         connman_network_set_index(network, index);
 113
 114         connman_network_set_method(network, CONNMAN_IPCONFIG_METHOD_DHCP);
 115
 116         connman_network_set_connected(network, TRUE);
 117
 118 done:
 119         dbus_message_unref(reply);
 120 }
 121
 122 static int pan_connect(struct connman_network *network)
 123 {
 124         const char *path = connman_network_get_string(network, "Path");
 125         const char *uuid = "nap";
 126         DBusMessage *message;
 127         DBusPendingCall *call;
 128
 129         DBG("network %p", network);
 130
 131         if (path == NULL)
 132                 return -EINVAL;
 133
 134         if (connman_network_get_index(network) >= 0)
 135                 return -EISCONN;
 136
 137         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 138                                         BLUEZ_NETWORK_INTERFACE, CONNECT);
 139         if (message == NULL)
 140                 return -ENOMEM;
 141
 142         dbus_message_set_auto_start(message, FALSE);
 143
 144         dbus_message_append_args(message, DBUS_TYPE_STRING, &uuid,
 145                                                         DBUS_TYPE_INVALID);
 146
 147         if (dbus_connection_send_with_reply(connection, message,
 148                                         &call, TIMEOUT * 10) == FALSE) {
 149                 connman_error("Failed to connect service");
 150                 dbus_message_unref(message);
 151                 return -EINVAL;
 152         }
 153
 154         if (call == NULL) {
 155                 connman_error("D-Bus connection not available");
 156                 dbus_message_unref(message);
 157                 return -EINVAL;
 158         }
 159
 160         dbus_pending_call_set_notify(call, connect_reply, network, NULL);
 161
 162         dbus_message_unref(message);
 163
 164         return -EINPROGRESS;
 165 }
 166
 167 static void disconnect_reply(DBusPendingCall *call, void *user_data)
 168 {
 169         struct connman_network *network = user_data;
 170         DBusMessage *reply;
 171         DBusError error;
 172
 173         DBG("network %p", network);
 174
 175         reply = dbus_pending_call_steal_reply(call);
 176         if (reply == NULL)
 177                 return;
 178
 179         dbus_error_init(&error);
 180
 181         if (dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) == FALSE) {
 182                 if (dbus_error_is_set(&error) == TRUE) {
 183                         connman_error("%s", error.message);
 184                         dbus_error_free(&error);
 185                 } else
 186                         connman_error("Wrong arguments for disconnect");
 187                 goto done;
 188         }
 189
 190         connman_network_set_connected(network, FALSE);
 191         connman_network_set_index(network, -1);
 192
 193 done:
 194         dbus_message_unref(reply);
 195 }
 196
 197 static int pan_disconnect(struct connman_network *network)
 198 {
 199         const char *path = connman_network_get_string(network, "Path");
 200         DBusMessage *message;
 201         DBusPendingCall *call;
 202
 203         DBG("network %p", network);
 204
 205         if (path == NULL)
 206                 return -EINVAL;
 207
 208         if (connman_network_get_index(network) < 0)
 209                 return -ENOTCONN;
 210
 211         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 212                                         BLUEZ_NETWORK_INTERFACE, DISCONNECT);
 213         if (message == NULL)
 214                 return -ENOMEM;
 215
 216         dbus_message_set_auto_start(message, FALSE);
 217
 218         dbus_message_append_args(message, DBUS_TYPE_INVALID);
 219
 220         if (dbus_connection_send_with_reply(connection, message,
 221                                                 &call, TIMEOUT) == FALSE) {
 222                 connman_error("Failed to disconnect service");
 223                 dbus_message_unref(message);
 224                 return -EINVAL;
 225         }
 226
 227         if (call == NULL) {
 228                 connman_error("D-Bus connection not available");
 229                 dbus_message_unref(message);
 230                 return -EINVAL;
 231         }
 232
 233         dbus_pending_call_set_notify(call, disconnect_reply, network, NULL);
 234
 235         dbus_message_unref(message);
 236
 237         return 0;
 238 }
 239
 240 static struct connman_network_driver pan_driver = {
 241         .name           = "bluetooth-pan",
 242         .type           = CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN,
 243         .probe          = pan_probe,
 244         .remove         = pan_remove,
 245         .connect        = pan_connect,
 246         .disconnect     = pan_disconnect,
 247 };
 248
 249 static int bluetooth_probe(struct connman_device *device)
 250 {
 251         DBG("device %p", device);
 252
 253         return 0;
 254 }
 255
 256 static void bluetooth_remove(struct connman_device *device)
 257 {
 258         DBG("device %p", device);
 259 }
 260
 261 static void powered_reply(DBusPendingCall *call, void *user_data)
 262 {
 263         DBusMessage *reply;
 264
 265         DBG("");
 266
 267         reply = dbus_pending_call_steal_reply(call);
 268
 269         dbus_message_unref(reply);
 270 }
 271
 272 static int change_powered(DBusConnection *connection, const char *path,
 273                                                         dbus_bool_t powered)
 274 {
 275         DBusMessage *message;
 276         DBusMessageIter iter;
 277         DBusPendingCall *call;
 278
 279         DBG("");
 280
 281         if (path == NULL)
 282                 return -EINVAL;
 283
 284         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 285                                         BLUEZ_ADAPTER_INTERFACE, SET_PROPERTY);
 286         if (message == NULL)
 287                 return -ENOMEM;
 288
 289         dbus_message_set_auto_start(message, FALSE);
 290
 291         dbus_message_iter_init_append(message, &iter);
 292         connman_dbus_property_append_basic(&iter, "Powered",
 293                                                 DBUS_TYPE_BOOLEAN, &powered);
 294
 295         if (dbus_connection_send_with_reply(connection, message,
 296                                                 &call, TIMEOUT) == FALSE) {
 297                 connman_error("Failed to change Powered property");
 298                 dbus_message_unref(message);
 299                 return -EINVAL;
 300         }
 301
 302         if (call == NULL) {
 303                 connman_error("D-Bus connection not available");
 304                 dbus_message_unref(message);
 305                 return -EINVAL;
 306         }
 307
 308         dbus_pending_call_set_notify(call, powered_reply, NULL, NULL);
 309
 310         dbus_message_unref(message);
 311
 312         return -EINPROGRESS;
 313 }
 314
 315 static int bluetooth_enable(struct connman_device *device)
 316 {
 317         const char *path = connman_device_get_string(device, "Path");
 318
 319         DBG("device %p", device);
 320
 321         return change_powered(connection, path, TRUE);
 322 }
 323
 324 static int bluetooth_disable(struct connman_device *device)
 325 {
 326         const char *path = connman_device_get_string(device, "Path");
 327
 328         DBG("device %p", device);
 329
 330         return change_powered(connection, path, FALSE);
 331 }
 332
 333 static struct connman_device_driver bluetooth_driver = {
 334         .name           = "bluetooth",
 335         .type           = CONNMAN_DEVICE_TYPE_BLUETOOTH,
 336         .probe          = bluetooth_probe,
 337         .remove         = bluetooth_remove,
 338         .enable         = bluetooth_enable,
 339         .disable        = bluetooth_disable,
 340 };
 341
 342 static void extract_properties(DBusMessage *reply, const char **parent,
 343                                                 const char **address,
 344                                                 const char **name,
 345                                                 const char **alias,
 346                                                 dbus_bool_t *powered,
 347                                                 dbus_bool_t *scanning,
 348                                                 DBusMessageIter *uuids,
 349                                                 DBusMessageIter *networks)
 350 {
 351         DBusMessageIter array, dict;
 352
 353         if (dbus_message_iter_init(reply, &array) == FALSE)
 354                 return;
 355
 356         if (dbus_message_iter_get_arg_type(&array) != DBUS_TYPE_ARRAY)
 357                 return;
 358
 359         dbus_message_iter_recurse(&array, &dict);
 360
 361         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 362                 DBusMessageIter entry, value;
 363                 const char *key;
 364
 365                 dbus_message_iter_recurse(&dict, &entry);
 366                 dbus_message_iter_get_basic(&entry, &key);
 367
 368                 dbus_message_iter_next(&entry);
 369                 dbus_message_iter_recurse(&entry, &value);
 370
 371                 if (g_str_equal(key, "Adapter") == TRUE) {
 372                         if (parent != NULL)
 373                                 dbus_message_iter_get_basic(&value, parent);
 374                 } else if (g_str_equal(key, "Address") == TRUE) {
 375                         if (address != NULL)
 376                                 dbus_message_iter_get_basic(&value, address);
 377                 } else if (g_str_equal(key, "Name") == TRUE) {
 378                         if (name != NULL)
 379                                 dbus_message_iter_get_basic(&value, name);
 380                 } else if (g_str_equal(key, "Alias") == TRUE) {
 381                         if (alias != NULL)
 382                                 dbus_message_iter_get_basic(&value, alias);
 383                 } else if (g_str_equal(key, "Powered") == TRUE) {
 384                         if (powered != NULL)
 385                                 dbus_message_iter_get_basic(&value, powered);
 386                 } else if (g_str_equal(key, "Discovering") == TRUE) {
 387                         if (scanning != NULL)
 388                                 dbus_message_iter_get_basic(&value, scanning);
 389                 } else if (g_str_equal(key, "Devices") == TRUE) {
 390                         if (networks != NULL)
 391                                 memcpy(networks, &value, sizeof(value));
 392                 } else if (g_str_equal(key, "UUIDs") == TRUE) {
 393                         if (uuids != NULL)
 394                                 memcpy(uuids, &value, sizeof(value));
 395                 }
 396
 397                 dbus_message_iter_next(&dict);
 398         }
 399 }
 400
 401 static dbus_bool_t has_pan(DBusMessageIter *array)
 402 {
 403         DBusMessageIter value;
 404
 405         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
 406                 return FALSE;
 407
 408         dbus_message_iter_recurse(array, &value);
 409
 410         while (dbus_message_iter_get_arg_type(&value) == DBUS_TYPE_STRING) {
 411                 const char *uuid;
 412
 413                 dbus_message_iter_get_basic(&value, &uuid);
 414
 415                 if (g_strcmp0(uuid, UUID_NAP) == 0)
 416                         return TRUE;
 417
 418                 dbus_message_iter_next(&value);
 419         }
 420
 421         return FALSE;
 422 }
 423
 424 static void network_properties_reply(DBusPendingCall *call, void *user_data)
 425 {
 426         char *path = user_data;
 427         struct connman_device *device;
 428         struct connman_network *network;
 429         DBusMessage *reply;
 430         DBusMessageIter uuids;
 431         const char *parent = NULL, *address = NULL, *name = NULL;
 432         struct ether_addr addr;
 433         char ident[13];
 434
 435         reply = dbus_pending_call_steal_reply(call);
 436         if (reply == NULL)
 437                 return;
 438
 439         extract_properties(reply, &parent, &address, NULL, &name,
 440                                                 NULL, NULL, &uuids, NULL);
 441
 442         if (parent == NULL)
 443                 goto done;
 444
 445         device = g_hash_table_lookup(bluetooth_devices, parent);
 446         if (device == NULL)
 447                 goto done;
 448
 449         if (address == NULL)
 450                 goto done;
 451
 452         ether_aton_r(address, &addr);
 453
 454         snprintf(ident, 13, "%02x%02x%02x%02x%02x%02x",
 455                                                 addr.ether_addr_octet[0],
 456                                                 addr.ether_addr_octet[1],
 457                                                 addr.ether_addr_octet[2],
 458                                                 addr.ether_addr_octet[3],
 459                                                 addr.ether_addr_octet[4],
 460                                                 addr.ether_addr_octet[5]);
 461
 462         if (has_pan(&uuids) == FALSE)
 463                 goto done;
 464
 465         network = connman_device_get_network(device, ident);
 466         if (network != NULL)
 467                 goto done;
 468
 469         network = connman_network_create(ident,
 470                                         CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN);
 471         if (network == NULL)
 472                 goto done;
 473
 474         connman_network_set_string(network, "Path", path);
 475
 476         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 477
 478         connman_network_set_name(network, name);
 479
 480         connman_device_add_network(device, network);
 481
 482         connman_network_set_group(network, ident);
 483
 484 done:
 485         dbus_message_unref(reply);
 486 }
 487
 488 static void add_network(struct connman_device *device, const char *path)
 489 {
 490         DBusMessage *message;
 491         DBusPendingCall *call;
 492
 493         DBG("path %s", path);
 494
 495         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 496                                 BLUEZ_DEVICE_INTERFACE, GET_PROPERTIES);
 497         if (message == NULL)
 498                 return;
 499
 500         dbus_message_set_auto_start(message, FALSE);
 501
 502         if (dbus_connection_send_with_reply(connection, message,
 503                                                 &call, TIMEOUT) == FALSE) {
 504                 connman_error("Failed to get network properties for %s", path);
 505                 goto done;
 506         }
 507
 508         if (call == NULL) {
 509                 connman_error("D-Bus connection not available");
 510                 goto done;
 511         }
 512
 513         dbus_pending_call_set_notify(call, network_properties_reply,
 514                                                 g_strdup(path), g_free);
 515
 516 done:
 517         dbus_message_unref(message);
 518 }
 519
 520 static void check_networks(struct connman_device *device,
 521                                                 DBusMessageIter *array)
 522 {
 523         DBusMessageIter value;
 524
 525         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
 526                 return;
 527
 528         dbus_message_iter_recurse(array, &value);
 529
 530         while (dbus_message_iter_get_arg_type(&value) == DBUS_TYPE_OBJECT_PATH) {
 531                 const char *path;
 532
 533                 dbus_message_iter_get_basic(&value, &path);
 534
 535                 add_network(device, path);
 536
 537                 dbus_message_iter_next(&value);
 538         }
 539 }
 540
 541 static void adapter_changed(DBusConnection *connection, DBusMessage *message)
 542 {
 543         const char *path = dbus_message_get_path(message);
 544         struct connman_device *device;
 545         DBusMessageIter iter, value;
 546         const char *key;
 547
 548         DBG("path %s", path);
 549
 550         device = g_hash_table_lookup(bluetooth_devices, path);
 551         if (device == NULL)
 552                 return;
 553
 554         if (dbus_message_iter_init(message, &iter) == FALSE)
 555                 return;
 556
 557         dbus_message_iter_get_basic(&iter, &key);
 558
 559         dbus_message_iter_next(&iter);
 560         dbus_message_iter_recurse(&iter, &value);
 561
 562         if (g_str_equal(key, "Powered") == TRUE) {
 563                 dbus_bool_t val;
 564
 565                 dbus_message_iter_get_basic(&value, &val);
 566                 connman_device_set_powered(device, val);
 567         } else if (g_str_equal(key, "Discovering") == TRUE) {
 568                 dbus_bool_t val;
 569
 570                 dbus_message_iter_get_basic(&value, &val);
 571                 connman_device_set_scanning(device, val);
 572         } else if (g_str_equal(key, "Devices") == TRUE) {
 573                 check_networks(device, &value);
 574         }
 575 }
 576
 577 static void adapter_properties_reply(DBusPendingCall *call, void *user_data)
 578 {
 579         char *path = user_data;
 580         struct connman_device *device;
 581         DBusMessage *reply;
 582         DBusMessageIter networks;
 583         const char *address = NULL, *name = NULL;
 584         dbus_bool_t powered = FALSE, scanning = FALSE;
 585         struct ether_addr addr;
 586         char ident[13];
 587
 588         DBG("path %s", path);
 589
 590         reply = dbus_pending_call_steal_reply(call);
 591         if (reply == NULL)
 592                 return;
 593
 594         if (path == NULL)
 595                 goto done;
 596
 597         extract_properties(reply, NULL, &address, &name, NULL,
 598                                         &powered, &scanning, NULL, &networks);
 599
 600         if (address == NULL)
 601                 goto done;
 602
 603         device = g_hash_table_lookup(bluetooth_devices, path);
 604         if (device != NULL)
 605                 goto update;
 606
 607         ether_aton_r(address, &addr);
 608
 609         snprintf(ident, 13, "%02x%02x%02x%02x%02x%02x",
 610                                                 addr.ether_addr_octet[0],
 611                                                 addr.ether_addr_octet[1],
 612                                                 addr.ether_addr_octet[2],
 613                                                 addr.ether_addr_octet[3],
 614                                                 addr.ether_addr_octet[4],
 615                                                 addr.ether_addr_octet[5]);
 616
 617         device = connman_device_create(ident, CONNMAN_DEVICE_TYPE_BLUETOOTH);
 618         if (device == NULL)
 619                 goto done;
 620
 621         connman_device_set_ident(device, ident);
 622
 623         connman_device_set_mode(device, CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE);
 624
 625         if (connman_device_register(device) < 0) {
 626                 connman_device_unref(device);
 627                 goto done;
 628         }
 629
 630         g_hash_table_insert(bluetooth_devices, g_strdup(path), device);
 631
 632 update:
 633         connman_device_set_string(device, "Address", address);
 634         connman_device_set_string(device, "Name", name);
 635         connman_device_set_string(device, "Path", path);
 636
 637         connman_device_set_powered(device, powered);
 638         connman_device_set_scanning(device, scanning);
 639
 640         if (powered == TRUE)
 641                 check_networks(device, &networks);
 642
 643 done:
 644         dbus_message_unref(reply);
 645 }
 646
 647 static void add_adapter(DBusConnection *connection, const char *path)
 648 {
 649         DBusMessage *message;
 650         DBusPendingCall *call;
 651
 652         DBG("path %s", path);
 653
 654         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 655                                 BLUEZ_ADAPTER_INTERFACE, GET_PROPERTIES);
 656         if (message == NULL)
 657                 return;
 658
 659         dbus_message_set_auto_start(message, FALSE);
 660
 661         if (dbus_connection_send_with_reply(connection, message,
 662                                                 &call, TIMEOUT) == FALSE) {
 663                 connman_error("Failed to get adapter properties for %s", path);
 664                 goto done;
 665         }
 666
 667         if (call == NULL) {
 668                 connman_error("D-Bus connection not available");
 669                 goto done;
 670         }
 671
 672         dbus_pending_call_set_notify(call, adapter_properties_reply,
 673                                                 g_strdup(path), g_free);
 674
 675 done:
 676         dbus_message_unref(message);
 677 }
 678
 679 static void remove_adapter(DBusConnection *connection, const char *path)
 680 {
 681         DBG("path %s", path);
 682
 683         g_hash_table_remove(bluetooth_devices, path);
 684 }
 685
 686 static void list_adapters_reply(DBusPendingCall *call, void *user_data)
 687 {
 688         DBusMessage *reply;
 689         DBusError error;
 690         char **adapters;
 691         int i, num_adapters;
 692
 693         DBG("");
 694
 695         reply = dbus_pending_call_steal_reply(call);
 696         if (reply == NULL)
 697                 return;
 698
 699         dbus_error_init(&error);
 700
 701         if (dbus_message_get_args(reply, &error,
 702                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
 703                                                 &adapters, &num_adapters,
 704                                                 DBUS_TYPE_INVALID) == FALSE) {
 705                 if (dbus_error_is_set(&error) == TRUE) {
 706                         connman_error("%s", error.message);
 707                         dbus_error_free(&error);
 708                 } else
 709                         connman_error("Wrong arguments for adapter list");
 710                 goto done;
 711         }
 712
 713         for (i = 0; i < num_adapters; i++)
 714                 add_adapter(connection, adapters[i]);
 715
 716         g_strfreev(adapters);
 717
 718 done:
 719         dbus_message_unref(reply);
 720 }
 721
 722 static void unregister_device(gpointer data)
 723 {
 724         struct connman_device *device = data;
 725
 726         DBG("");
 727
 728         connman_device_unregister(device);
 729         connman_device_unref(device);
 730 }
 731
 732 static void bluetooth_connect(DBusConnection *connection, void *user_data)
 733 {
 734         DBusMessage *message;
 735         DBusPendingCall *call;
 736
 737         DBG("connection %p", connection);
 738
 739         bluetooth_devices = g_hash_table_new_full(g_str_hash, g_str_equal,
 740                                                 g_free, unregister_device);
 741
 742         message = dbus_message_new_method_call(BLUEZ_SERVICE, "/",
 743                                 BLUEZ_MANAGER_INTERFACE, LIST_ADAPTERS);
 744         if (message == NULL)
 745                 return;
 746
 747         dbus_message_set_auto_start(message, FALSE);
 748
 749         if (dbus_connection_send_with_reply(connection, message,
 750                                                 &call, TIMEOUT) == FALSE) {
 751                 connman_error("Failed to get Bluetooth adapters");
 752                 goto done;
 753         }
 754
 755         if (call == NULL) {
 756                 connman_error("D-Bus connection not available");
 757                 goto done;
 758         }
 759
 760         dbus_pending_call_set_notify(call, list_adapters_reply, NULL, NULL);
 761
 762 done:
 763         dbus_message_unref(message);
 764 }
 765
 766 static void bluetooth_disconnect(DBusConnection *connection, void *user_data)
 767 {
 768         DBG("connection %p", connection);
 769
 770         if (bluetooth_devices == NULL)
 771                 return;
 772
 773         g_hash_table_destroy(bluetooth_devices);
 774         bluetooth_devices = NULL;
 775 }
 776
 777 static DBusHandlerResult bluetooth_signal(DBusConnection *connection,
 778                                         DBusMessage *message, void *user_data)
 779 {
 780         if (dbus_message_is_signal(message, BLUEZ_ADAPTER_INTERFACE,
 781                                                 PROPERTY_CHANGED) == TRUE) {
 782                 adapter_changed(connection, message);
 783         } else if (dbus_message_is_signal(message, BLUEZ_MANAGER_INTERFACE,
 784                                                 ADAPTER_ADDED) == TRUE) {
 785                 const char *path;
 786                 dbus_message_get_args(message, NULL,
 787                                         DBUS_TYPE_OBJECT_PATH, &path,
 788                                                         DBUS_TYPE_INVALID);
 789                 add_adapter(connection, path);
 790         } else if (dbus_message_is_signal(message, BLUEZ_MANAGER_INTERFACE,
 791                                                 ADAPTER_REMOVED) == TRUE) {
 792                 const char *path;
 793                 dbus_message_get_args(message, NULL,
 794                                         DBUS_TYPE_OBJECT_PATH, &path,
 795                                                         DBUS_TYPE_INVALID);
 796                 remove_adapter(connection, path);
 797         }
 798
 799         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 800 }
 801
 802 static guint watch;
 803
 804 static const char *added_rule = "type=signal,member=" ADAPTER_ADDED
 805                                         ",interface=" BLUEZ_MANAGER_INTERFACE;
 806 static const char *removed_rule = "type=signal,member=" ADAPTER_REMOVED
 807                                         ",interface=" BLUEZ_MANAGER_INTERFACE;
 808
 809 static const char *adapter_rule = "type=signal,member=" PROPERTY_CHANGED
 810                                         ",interface=" BLUEZ_ADAPTER_INTERFACE;
 811
 812 static int bluetooth_init(void)
 813 {
 814         int err;
 815
 816         connection = connman_dbus_get_connection();
 817         if (connection == NULL)
 818                 return -EIO;
 819
 820         if (dbus_connection_add_filter(connection, bluetooth_signal,
 821                                                 NULL, NULL) == FALSE) {
 822                 err = -EIO;
 823                 goto unref;
 824         }
 825
 826         err = connman_network_driver_register(&pan_driver);
 827         if (err < 0)
 828                 goto remove;
 829
 830         err = connman_device_driver_register(&bluetooth_driver);
 831         if (err < 0) {
 832                 connman_network_driver_unregister(&pan_driver);
 833                 goto remove;
 834         }
 835
 836         watch = g_dbus_add_service_watch(connection, BLUEZ_SERVICE,
 837                         bluetooth_connect, bluetooth_disconnect, NULL, NULL);
 838         if (watch == 0) {
 839                 connman_device_driver_unregister(&bluetooth_driver);
 840                 connman_network_driver_unregister(&pan_driver);
 841                 err = -EIO;
 842                 goto remove;
 843         }
 844
 845         dbus_bus_add_match(connection, added_rule, NULL);
 846         dbus_bus_add_match(connection, removed_rule, NULL);
 847         dbus_bus_add_match(connection, adapter_rule, NULL);
 848         dbus_connection_flush(connection);
 849
 850         return 0;
 851
 852 remove:
 853         dbus_connection_remove_filter(connection, bluetooth_signal, NULL);
 854
 855 unref:
 856         dbus_connection_unref(connection);
 857
 858         return err;
 859 }
 860
 861 static void bluetooth_exit(void)
 862 {
 863         dbus_bus_remove_match(connection, adapter_rule, NULL);
 864         dbus_bus_remove_match(connection, removed_rule, NULL);
 865         dbus_bus_remove_match(connection, added_rule, NULL);
 866         dbus_connection_flush(connection);
 867
 868         g_dbus_remove_watch(connection, watch);
 869
 870         bluetooth_disconnect(connection, NULL);
 871
 872         connman_device_driver_unregister(&bluetooth_driver);
 873         connman_network_driver_unregister(&pan_driver);
 874
 875         dbus_connection_remove_filter(connection, bluetooth_signal, NULL);
 876
 877         dbus_connection_unref(connection);
 878 }
 879
 880 CONNMAN_PLUGIN_DEFINE(bluetooth, "Bluetooth technology plugin", VERSION,
 881                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, bluetooth_init, bluetooth_exit)