plugins/bluetooth.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  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/technology.h>
  37 #include <connman/device.h>
  38 #include <connman/inet.h>
  39 #include <connman/dbus.h>
  40 #include <connman/log.h>
  41
  42 #define BLUEZ_SERVICE                   "org.bluez"
  43 #define BLUEZ_MANAGER_INTERFACE         BLUEZ_SERVICE ".Manager"
  44 #define BLUEZ_ADAPTER_INTERFACE         BLUEZ_SERVICE ".Adapter"
  45 #define BLUEZ_DEVICE_INTERFACE          BLUEZ_SERVICE ".Device"
  46 #define BLUEZ_NETWORK_INTERFACE         BLUEZ_SERVICE ".Network"
  47 #define BLUEZ_NETWORK_SERVER            BLUEZ_SERVICE ".NetworkServer"
  48
  49 #define LIST_ADAPTERS                   "ListAdapters"
  50 #define ADAPTER_ADDED                   "AdapterAdded"
  51 #define ADAPTER_REMOVED                 "AdapterRemoved"
  52 #define DEVICE_REMOVED                  "DeviceRemoved"
  53
  54 #define PROPERTY_CHANGED                "PropertyChanged"
  55 #define GET_PROPERTIES                  "GetProperties"
  56 #define SET_PROPERTY                    "SetProperty"
  57
  58 #define CONNECT                         "Connect"
  59 #define DISCONNECT                      "Disconnect"
  60
  61 #define REGISTER                        "Register"
  62 #define UNREGISTER                      "Unregister"
  63
  64 #define UUID_NAP        "00001116-0000-1000-8000-00805f9b34fb"
  65
  66 #define TIMEOUT 5000
  67
  68 static DBusConnection *connection;
  69
  70 static GHashTable *bluetooth_devices = NULL;
  71 static GHashTable *bluetooth_networks = NULL;
  72
  73 static int pan_probe(struct connman_network *network)
  74 {
  75         DBG("network %p", network);
  76
  77         return 0;
  78 }
  79
  80 static void pan_remove(struct connman_network *network)
  81 {
  82         DBG("network %p", network);
  83 }
  84
  85 static void connect_reply(DBusPendingCall *call, void *user_data)
  86 {
  87         struct connman_network *network = user_data;
  88         DBusMessage *reply;
  89         DBusError error;
  90         const char *interface = NULL;
  91         int index;
  92
  93         DBG("network %p", network);
  94
  95         reply = dbus_pending_call_steal_reply(call);
  96
  97         dbus_error_init(&error);
  98
  99         if (dbus_set_error_from_message(&error, reply) == TRUE) {
 100                 connman_error("%s", error.message);
 101                 dbus_error_free(&error);
 102                 goto done;
 103         }
 104
 105         if (dbus_message_get_args(reply, &error,
 106                                         DBUS_TYPE_STRING, &interface,
 107                                                 DBUS_TYPE_INVALID) == FALSE) {
 108                 if (dbus_error_is_set(&error) == TRUE) {
 109                         connman_error("%s", error.message);
 110                         dbus_error_free(&error);
 111                 } else
 112                         connman_error("Wrong arguments for connect");
 113                 goto done;
 114         }
 115
 116         if (interface == NULL)
 117                 goto done;
 118
 119         DBG("interface %s", interface);
 120
 121         index = connman_inet_ifindex(interface);
 122
 123         connman_network_set_index(network, index);
 124
 125         connman_network_set_connected(network, TRUE);
 126
 127 done:
 128         dbus_message_unref(reply);
 129
 130         dbus_pending_call_unref(call);
 131 }
 132
 133 static int pan_connect(struct connman_network *network)
 134 {
 135         const char *path = connman_network_get_string(network, "Path");
 136         const char *uuid = "nap";
 137         DBusMessage *message;
 138         DBusPendingCall *call;
 139
 140         DBG("network %p", network);
 141
 142         if (path == NULL)
 143                 return -EINVAL;
 144
 145         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 146                                         BLUEZ_NETWORK_INTERFACE, CONNECT);
 147         if (message == NULL)
 148                 return -ENOMEM;
 149
 150         dbus_message_set_auto_start(message, FALSE);
 151
 152         dbus_message_append_args(message, DBUS_TYPE_STRING, &uuid,
 153                                                         DBUS_TYPE_INVALID);
 154
 155         if (dbus_connection_send_with_reply(connection, message,
 156                                         &call, TIMEOUT * 10) == FALSE) {
 157                 connman_error("Failed to connect service");
 158                 dbus_message_unref(message);
 159                 return -EINVAL;
 160         }
 161
 162         if (call == NULL) {
 163                 connman_error("D-Bus connection not available");
 164                 dbus_message_unref(message);
 165                 return -EINVAL;
 166         }
 167
 168         dbus_pending_call_set_notify(call, connect_reply, network, NULL);
 169
 170         dbus_message_unref(message);
 171
 172         return -EINPROGRESS;
 173 }
 174
 175 static void disconnect_reply(DBusPendingCall *call, void *user_data)
 176 {
 177         struct connman_network *network = user_data;
 178         DBusMessage *reply;
 179         DBusError error;
 180
 181         DBG("network %p", network);
 182
 183         reply = dbus_pending_call_steal_reply(call);
 184
 185         dbus_error_init(&error);
 186
 187         if (dbus_set_error_from_message(&error, reply) == TRUE) {
 188                 connman_error("%s", error.message);
 189                 dbus_error_free(&error);
 190                 goto done;
 191         }
 192
 193         if (dbus_message_get_args(reply, &error, 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 disconnect");
 199                 goto done;
 200         }
 201
 202         connman_network_set_connected(network, FALSE);
 203
 204 done:
 205         dbus_message_unref(reply);
 206
 207         dbus_pending_call_unref(call);
 208
 209         connman_network_unref(network);
 210 }
 211
 212 static int pan_disconnect(struct connman_network *network)
 213 {
 214         const char *path = connman_network_get_string(network, "Path");
 215         DBusMessage *message;
 216         DBusPendingCall *call;
 217
 218         DBG("network %p", network);
 219
 220         if (path == NULL)
 221                 return -EINVAL;
 222
 223         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 224                                         BLUEZ_NETWORK_INTERFACE, DISCONNECT);
 225         if (message == NULL)
 226                 return -ENOMEM;
 227
 228         dbus_message_set_auto_start(message, FALSE);
 229
 230         dbus_message_append_args(message, DBUS_TYPE_INVALID);
 231
 232         if (dbus_connection_send_with_reply(connection, message,
 233                                                 &call, TIMEOUT) == FALSE) {
 234                 connman_error("Failed to disconnect service");
 235                 dbus_message_unref(message);
 236                 return -EINVAL;
 237         }
 238
 239         if (call == NULL) {
 240                 connman_error("D-Bus connection not available");
 241                 dbus_message_unref(message);
 242                 return -EINVAL;
 243         }
 244
 245         connman_network_ref(network);
 246
 247         connman_network_set_associating(network, FALSE);
 248
 249         dbus_pending_call_set_notify(call, disconnect_reply, network, NULL);
 250
 251         dbus_message_unref(message);
 252
 253         return 0;
 254 }
 255
 256 static struct connman_network_driver pan_driver = {
 257         .name           = "bluetooth-pan",
 258         .type           = CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN,
 259         .probe          = pan_probe,
 260         .remove         = pan_remove,
 261         .connect        = pan_connect,
 262         .disconnect     = pan_disconnect,
 263 };
 264
 265 static gboolean network_changed(DBusConnection *connection,
 266                                 DBusMessage *message, void *user_data)
 267 {
 268         const char *path = dbus_message_get_path(message);
 269         struct connman_network *network;
 270         DBusMessageIter iter, value;
 271         const char *key;
 272
 273         DBG("path %s", path);
 274
 275         network = g_hash_table_lookup(bluetooth_networks, path);
 276         if (network == NULL)
 277                 return TRUE;
 278
 279         if (dbus_message_iter_init(message, &iter) == FALSE)
 280                 return TRUE;
 281
 282         dbus_message_iter_get_basic(&iter, &key);
 283
 284         dbus_message_iter_next(&iter);
 285         dbus_message_iter_recurse(&iter, &value);
 286
 287         if (g_str_equal(key, "Connected") == TRUE) {
 288                 dbus_bool_t connected;
 289
 290                 dbus_message_iter_get_basic(&value, &connected);
 291
 292                 if (connected == TRUE)
 293                         return TRUE;
 294
 295                 connman_network_set_associating(network, FALSE);
 296                 connman_network_set_connected(network, FALSE);
 297         }
 298
 299         return TRUE;
 300 }
 301
 302 static void extract_properties(DBusMessage *reply, const char **parent,
 303                                                 const char **address,
 304                                                 const char **name,
 305                                                 const char **alias,
 306                                                 dbus_bool_t *powered,
 307                                                 dbus_bool_t *scanning,
 308                                                 DBusMessageIter *uuids,
 309                                                 DBusMessageIter *networks)
 310 {
 311         DBusMessageIter array, dict;
 312
 313         if (dbus_message_iter_init(reply, &array) == FALSE)
 314                 return;
 315
 316         if (dbus_message_iter_get_arg_type(&array) != DBUS_TYPE_ARRAY)
 317                 return;
 318
 319         dbus_message_iter_recurse(&array, &dict);
 320
 321         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 322                 DBusMessageIter entry, value;
 323                 const char *key;
 324
 325                 dbus_message_iter_recurse(&dict, &entry);
 326                 dbus_message_iter_get_basic(&entry, &key);
 327
 328                 dbus_message_iter_next(&entry);
 329                 dbus_message_iter_recurse(&entry, &value);
 330
 331                 if (g_str_equal(key, "Adapter") == TRUE) {
 332                         if (parent != NULL)
 333                                 dbus_message_iter_get_basic(&value, parent);
 334                 } else if (g_str_equal(key, "Address") == TRUE) {
 335                         if (address != NULL)
 336                                 dbus_message_iter_get_basic(&value, address);
 337                 } else if (g_str_equal(key, "Name") == TRUE) {
 338                         if (name != NULL)
 339                                 dbus_message_iter_get_basic(&value, name);
 340                 } else if (g_str_equal(key, "Alias") == TRUE) {
 341                         if (alias != NULL)
 342                                 dbus_message_iter_get_basic(&value, alias);
 343                 } else if (g_str_equal(key, "Powered") == TRUE) {
 344                         if (powered != NULL)
 345                                 dbus_message_iter_get_basic(&value, powered);
 346                 } else if (g_str_equal(key, "Discovering") == TRUE) {
 347                         if (scanning != NULL)
 348                                 dbus_message_iter_get_basic(&value, scanning);
 349                 } else if (g_str_equal(key, "Devices") == TRUE) {
 350                         if (networks != NULL)
 351                                 memcpy(networks, &value, sizeof(value));
 352                 } else if (g_str_equal(key, "UUIDs") == TRUE) {
 353                         if (uuids != NULL)
 354                                 memcpy(uuids, &value, sizeof(value));
 355                 }
 356
 357                 dbus_message_iter_next(&dict);
 358         }
 359 }
 360
 361 static dbus_bool_t has_pan(DBusMessageIter *array)
 362 {
 363         DBusMessageIter value;
 364
 365         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
 366                 return FALSE;
 367
 368         dbus_message_iter_recurse(array, &value);
 369
 370         while (dbus_message_iter_get_arg_type(&value) == DBUS_TYPE_STRING) {
 371                 const char *uuid;
 372
 373                 dbus_message_iter_get_basic(&value, &uuid);
 374
 375                 if (g_strcmp0(uuid, UUID_NAP) == 0)
 376                         return TRUE;
 377
 378                 dbus_message_iter_next(&value);
 379         }
 380
 381         return FALSE;
 382 }
 383
 384 static void network_properties_reply(DBusPendingCall *call, void *user_data)
 385 {
 386         char *path = user_data;
 387         struct connman_device *device;
 388         struct connman_network *network;
 389         DBusMessage *reply;
 390         DBusMessageIter uuids;
 391         const char *parent = NULL, *address = NULL, *name = NULL;
 392         struct ether_addr addr;
 393         char ident[13];
 394
 395         reply = dbus_pending_call_steal_reply(call);
 396
 397         extract_properties(reply, &parent, &address, NULL, &name,
 398                                                 NULL, NULL, &uuids, NULL);
 399
 400         if (parent == NULL)
 401                 goto done;
 402
 403         device = g_hash_table_lookup(bluetooth_devices, parent);
 404         if (device == NULL)
 405                 goto done;
 406
 407         if (address == NULL)
 408                 goto done;
 409
 410         ether_aton_r(address, &addr);
 411
 412         snprintf(ident, 13, "%02x%02x%02x%02x%02x%02x",
 413                                                 addr.ether_addr_octet[0],
 414                                                 addr.ether_addr_octet[1],
 415                                                 addr.ether_addr_octet[2],
 416                                                 addr.ether_addr_octet[3],
 417                                                 addr.ether_addr_octet[4],
 418                                                 addr.ether_addr_octet[5]);
 419
 420         if (has_pan(&uuids) == FALSE)
 421                 goto done;
 422
 423         network = connman_device_get_network(device, ident);
 424         if (network != NULL)
 425                 goto done;
 426
 427         network = connman_network_create(ident,
 428                                         CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN);
 429         if (network == NULL)
 430                 goto done;
 431
 432         connman_network_set_string(network, "Path", path);
 433
 434         connman_network_set_name(network, name);
 435
 436         connman_device_add_network(device, network);
 437
 438         connman_network_set_group(network, ident);
 439
 440         g_hash_table_insert(bluetooth_networks, g_strdup(path), network);
 441
 442 done:
 443         dbus_message_unref(reply);
 444
 445         dbus_pending_call_unref(call);
 446 }
 447
 448 static void add_network(struct connman_device *device, const char *path)
 449 {
 450         DBusMessage *message;
 451         DBusPendingCall *call;
 452
 453         DBG("path %s", path);
 454
 455         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 456                                 BLUEZ_DEVICE_INTERFACE, GET_PROPERTIES);
 457         if (message == NULL)
 458                 return;
 459
 460         dbus_message_set_auto_start(message, FALSE);
 461
 462         if (dbus_connection_send_with_reply(connection, message,
 463                                                 &call, TIMEOUT) == FALSE) {
 464                 connman_error("Failed to get network properties for %s", path);
 465                 goto done;
 466         }
 467
 468         if (call == NULL) {
 469                 connman_error("D-Bus connection not available");
 470                 goto done;
 471         }
 472
 473         dbus_pending_call_set_notify(call, network_properties_reply,
 474                                                 g_strdup(path), g_free);
 475
 476 done:
 477         dbus_message_unref(message);
 478 }
 479
 480 static void check_networks(struct connman_device *device,
 481                                                 DBusMessageIter *array)
 482 {
 483         DBusMessageIter value;
 484
 485         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
 486                 return;
 487
 488         dbus_message_iter_recurse(array, &value);
 489
 490         while (dbus_message_iter_get_arg_type(&value) == DBUS_TYPE_OBJECT_PATH) {
 491                 const char *path;
 492
 493                 dbus_message_iter_get_basic(&value, &path);
 494
 495                 add_network(device, path);
 496
 497                 dbus_message_iter_next(&value);
 498         }
 499 }
 500
 501 static gboolean adapter_changed(DBusConnection *connection,
 502                                 DBusMessage *message, void *user_data)
 503 {
 504         const char *path = dbus_message_get_path(message);
 505         struct connman_device *device;
 506         DBusMessageIter iter, value;
 507         const char *key;
 508
 509         DBG("path %s", path);
 510
 511         device = g_hash_table_lookup(bluetooth_devices, path);
 512         if (device == NULL)
 513                 return TRUE;
 514
 515         if (dbus_message_iter_init(message, &iter) == FALSE)
 516                 return TRUE;
 517
 518         dbus_message_iter_get_basic(&iter, &key);
 519
 520         dbus_message_iter_next(&iter);
 521         dbus_message_iter_recurse(&iter, &value);
 522
 523         if (g_str_equal(key, "Powered") == TRUE) {
 524                 dbus_bool_t val;
 525
 526                 dbus_message_iter_get_basic(&value, &val);
 527                 connman_device_set_powered(device, val);
 528         } else if (g_str_equal(key, "Discovering") == TRUE) {
 529                 dbus_bool_t val;
 530
 531                 dbus_message_iter_get_basic(&value, &val);
 532                 connman_device_set_scanning(device, val);
 533         } else if (g_str_equal(key, "Devices") == TRUE) {
 534                 check_networks(device, &value);
 535         }
 536
 537         return TRUE;
 538 }
 539
 540 static gboolean device_removed(DBusConnection *connection,
 541                                 DBusMessage *message, void *user_data)
 542 {
 543         const char *network_path, *identifier;
 544         struct connman_network *network;
 545         struct connman_device *device;
 546         DBusMessageIter iter;
 547
 548         DBG("");
 549
 550         if (dbus_message_iter_init(message, &iter) == FALSE)
 551                 return TRUE;
 552
 553         dbus_message_iter_get_basic(&iter, &network_path);
 554
 555         network = g_hash_table_lookup(bluetooth_networks, network_path);
 556         if (network == NULL)
 557                 return TRUE;
 558
 559         device = connman_network_get_device(network);
 560         if (device == NULL)
 561                 return TRUE;
 562
 563         identifier = connman_network_get_identifier(network);
 564
 565         g_hash_table_remove(bluetooth_networks, network_path);
 566
 567         connman_device_remove_network(device, identifier);
 568
 569         return TRUE;
 570 }
 571
 572 static gboolean device_changed(DBusConnection *connection,
 573                                 DBusMessage *message, void *user_data)
 574 {
 575         const char *path = dbus_message_get_path(message);
 576         DBusMessageIter iter, value;
 577         const char *key;
 578
 579         DBG("path %s", path);
 580
 581         if (dbus_message_iter_init(message, &iter) == FALSE)
 582                 return TRUE;
 583
 584         dbus_message_iter_get_basic(&iter, &key);
 585
 586         dbus_message_iter_next(&iter);
 587         dbus_message_iter_recurse(&iter, &value);
 588
 589         DBG("key %s", key);
 590
 591         if (g_str_equal(key, "UUIDs") == TRUE)
 592                 add_network(NULL, path);
 593
 594         return TRUE;
 595 }
 596
 597 static void adapter_properties_reply(DBusPendingCall *call, void *user_data)
 598 {
 599         char *path = user_data;
 600         struct connman_device *device;
 601         DBusMessage *reply;
 602         DBusMessageIter networks;
 603         const char *address = NULL, *name = NULL;
 604         dbus_bool_t powered = FALSE, scanning = FALSE;
 605         struct ether_addr addr;
 606         char ident[13];
 607
 608         DBG("path %s", path);
 609
 610         reply = dbus_pending_call_steal_reply(call);
 611
 612         if (path == NULL)
 613                 goto done;
 614
 615         extract_properties(reply, NULL, &address, &name, NULL,
 616                                         &powered, &scanning, NULL, &networks);
 617
 618         if (address == NULL)
 619                 goto done;
 620
 621         if (g_strcmp0(address, "00:00:00:00:00:00") == 0)
 622                 goto done;
 623
 624         device = g_hash_table_lookup(bluetooth_devices, path);
 625         if (device != NULL)
 626                 goto update;
 627
 628         ether_aton_r(address, &addr);
 629
 630         snprintf(ident, 13, "%02x%02x%02x%02x%02x%02x",
 631                                                 addr.ether_addr_octet[0],
 632                                                 addr.ether_addr_octet[1],
 633                                                 addr.ether_addr_octet[2],
 634                                                 addr.ether_addr_octet[3],
 635                                                 addr.ether_addr_octet[4],
 636                                                 addr.ether_addr_octet[5]);
 637
 638         device = connman_device_create(ident, CONNMAN_DEVICE_TYPE_BLUETOOTH);
 639         if (device == NULL)
 640                 goto done;
 641
 642         connman_device_set_ident(device, ident);
 643
 644         connman_device_set_string(device, "Path", path);
 645
 646         if (connman_device_register(device) < 0) {
 647                 connman_device_unref(device);
 648                 goto done;
 649         }
 650
 651         g_hash_table_insert(bluetooth_devices, g_strdup(path), device);
 652
 653 update:
 654         connman_device_set_string(device, "Address", address);
 655         connman_device_set_string(device, "Name", name);
 656         connman_device_set_string(device, "Path", path);
 657
 658         connman_device_set_powered(device, powered);
 659         connman_device_set_scanning(device, scanning);
 660
 661         if (powered == TRUE)
 662                 check_networks(device, &networks);
 663
 664 done:
 665         dbus_message_unref(reply);
 666
 667         dbus_pending_call_unref(call);
 668 }
 669
 670 static void add_adapter(DBusConnection *connection, const char *path)
 671 {
 672         DBusMessage *message;
 673         DBusPendingCall *call;
 674
 675         DBG("path %s", path);
 676
 677         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 678                                 BLUEZ_ADAPTER_INTERFACE, GET_PROPERTIES);
 679         if (message == NULL)
 680                 return;
 681
 682         dbus_message_set_auto_start(message, FALSE);
 683
 684         if (dbus_connection_send_with_reply(connection, message,
 685                                                 &call, TIMEOUT) == FALSE) {
 686                 connman_error("Failed to get adapter properties for %s", path);
 687                 goto done;
 688         }
 689
 690         if (call == NULL) {
 691                 connman_error("D-Bus connection not available");
 692                 goto done;
 693         }
 694
 695         dbus_pending_call_set_notify(call, adapter_properties_reply,
 696                                                 g_strdup(path), g_free);
 697
 698 done:
 699         dbus_message_unref(message);
 700 }
 701
 702 static gboolean adapter_added(DBusConnection *connection, DBusMessage *message,
 703                                 void *user_data)
 704 {
 705         const char *path;
 706
 707         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 708                                 DBUS_TYPE_INVALID);
 709         add_adapter(connection, path);
 710         return TRUE;
 711 }
 712
 713 static void remove_adapter(DBusConnection *connection, const char *path)
 714 {
 715         DBG("path %s", path);
 716
 717         g_hash_table_remove(bluetooth_devices, path);
 718 }
 719
 720 static gboolean adapter_removed(DBusConnection *connection, DBusMessage *message,
 721                                 void *user_data)
 722 {
 723         const char *path;
 724
 725         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 726                                 DBUS_TYPE_INVALID);
 727         remove_adapter(connection, path);
 728         return TRUE;
 729 }
 730
 731 static void list_adapters_reply(DBusPendingCall *call, void *user_data)
 732 {
 733         DBusMessage *reply;
 734         DBusError error;
 735         char **adapters;
 736         int i, num_adapters;
 737
 738         DBG("");
 739
 740         reply = dbus_pending_call_steal_reply(call);
 741
 742         dbus_error_init(&error);
 743
 744         if (dbus_set_error_from_message(&error, reply) == TRUE) {
 745                 connman_error("%s", error.message);
 746                 dbus_error_free(&error);
 747                 goto done;
 748         }
 749
 750         if (dbus_message_get_args(reply, &error,
 751                                 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
 752                                                 &adapters, &num_adapters,
 753                                                 DBUS_TYPE_INVALID) == FALSE) {
 754                 if (dbus_error_is_set(&error) == TRUE) {
 755                         connman_error("%s", error.message);
 756                         dbus_error_free(&error);
 757                 } else
 758                         connman_error("Wrong arguments for adapter list");
 759                 goto done;
 760         }
 761
 762         for (i = 0; i < num_adapters; i++)
 763                 add_adapter(connection, adapters[i]);
 764
 765         g_strfreev(adapters);
 766
 767 done:
 768         dbus_message_unref(reply);
 769
 770         dbus_pending_call_unref(call);
 771 }
 772
 773 static void unregister_device(gpointer data)
 774 {
 775         struct connman_device *device = data;
 776
 777         DBG("");
 778
 779         connman_device_unregister(device);
 780         connman_device_unref(device);
 781 }
 782
 783 static void bluetooth_connect(DBusConnection *connection, void *user_data)
 784 {
 785         DBusMessage *message;
 786         DBusPendingCall *call;
 787
 788         DBG("connection %p", connection);
 789
 790         bluetooth_devices = g_hash_table_new_full(g_str_hash, g_str_equal,
 791                                                 g_free, unregister_device);
 792
 793         bluetooth_networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 794                                                 g_free, NULL);
 795
 796         message = dbus_message_new_method_call(BLUEZ_SERVICE, "/",
 797                                 BLUEZ_MANAGER_INTERFACE, LIST_ADAPTERS);
 798         if (message == NULL)
 799                 return;
 800
 801         dbus_message_set_auto_start(message, FALSE);
 802
 803         if (dbus_connection_send_with_reply(connection, message,
 804                                                 &call, TIMEOUT) == FALSE) {
 805                 connman_error("Failed to get Bluetooth adapters");
 806                 goto done;
 807         }
 808
 809         if (call == NULL) {
 810                 connman_error("D-Bus connection not available");
 811                 goto done;
 812         }
 813
 814         dbus_pending_call_set_notify(call, list_adapters_reply, NULL, NULL);
 815
 816 done:
 817         dbus_message_unref(message);
 818 }
 819
 820 static void bluetooth_disconnect(DBusConnection *connection, void *user_data)
 821 {
 822         DBG("connection %p", connection);
 823
 824         if (bluetooth_devices == NULL)
 825                 return;
 826
 827         g_hash_table_destroy(bluetooth_networks);
 828         g_hash_table_destroy(bluetooth_devices);
 829         bluetooth_devices = NULL;
 830 }
 831
 832 static int bluetooth_probe(struct connman_device *device)
 833 {
 834         DBG("device %p", device);
 835
 836         return 0;
 837 }
 838
 839 static void bluetooth_remove(struct connman_device *device)
 840 {
 841         DBG("device %p", device);
 842 }
 843
 844 static void powered_reply(DBusPendingCall *call, void *user_data)
 845 {
 846         DBusError error;
 847         DBusMessage *reply;
 848
 849         DBG("");
 850
 851         reply = dbus_pending_call_steal_reply(call);
 852
 853         dbus_error_init(&error);
 854
 855         if (dbus_set_error_from_message(&error, reply) == TRUE) {
 856                 connman_error("%s", error.message);
 857                 dbus_error_free(&error);
 858                 dbus_message_unref(reply);
 859                 dbus_pending_call_unref(call);
 860                 return;
 861         }
 862
 863         dbus_message_unref(reply);
 864         dbus_pending_call_unref(call);
 865
 866         add_adapter(connection, user_data);
 867 }
 868
 869 static int change_powered(DBusConnection *connection, const char *path,
 870                                                         dbus_bool_t powered)
 871 {
 872         DBusMessage *message;
 873         DBusMessageIter iter;
 874         DBusPendingCall *call;
 875
 876         DBG("");
 877
 878         if (path == NULL)
 879                 return -EINVAL;
 880
 881         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
 882                                         BLUEZ_ADAPTER_INTERFACE, SET_PROPERTY);
 883         if (message == NULL)
 884                 return -ENOMEM;
 885
 886         dbus_message_set_auto_start(message, FALSE);
 887
 888         dbus_message_iter_init_append(message, &iter);
 889         connman_dbus_property_append_basic(&iter, "Powered",
 890                                                 DBUS_TYPE_BOOLEAN, &powered);
 891
 892         if (dbus_connection_send_with_reply(connection, message,
 893                                                 &call, TIMEOUT) == FALSE) {
 894                 connman_error("Failed to change Powered property");
 895                 dbus_message_unref(message);
 896                 return -EINVAL;
 897         }
 898
 899         if (call == NULL) {
 900                 connman_error("D-Bus connection not available");
 901                 dbus_message_unref(message);
 902                 return -EINVAL;
 903         }
 904
 905         dbus_pending_call_set_notify(call, powered_reply,
 906                                         g_strdup(path), g_free);
 907
 908         dbus_message_unref(message);
 909
 910         return -EINPROGRESS;
 911 }
 912
 913 static int bluetooth_enable(struct connman_device *device)
 914 {
 915         const char *path = connman_device_get_string(device, "Path");
 916
 917         DBG("device %p", device);
 918
 919         return change_powered(connection, path, TRUE);
 920 }
 921
 922 static int bluetooth_disable(struct connman_device *device)
 923 {
 924         const char *path = connman_device_get_string(device, "Path");
 925
 926         DBG("device %p", device);
 927
 928         return change_powered(connection, path, FALSE);
 929 }
 930
 931 static struct connman_device_driver bluetooth_driver = {
 932         .name           = "bluetooth",
 933         .type           = CONNMAN_DEVICE_TYPE_BLUETOOTH,
 934         .probe          = bluetooth_probe,
 935         .remove         = bluetooth_remove,
 936         .enable         = bluetooth_enable,
 937         .disable        = bluetooth_disable,
 938 };
 939
 940 static int tech_probe(struct connman_technology *technology)
 941 {
 942         return 0;
 943 }
 944
 945 static void tech_remove(struct connman_technology *technology)
 946 {
 947 }
 948
 949 static void server_register_reply(DBusPendingCall *call, void *user_data)
 950 {
 951         struct connman_technology *technology = user_data;
 952         DBusError error;
 953         DBusMessage *reply;
 954
 955         DBG("");
 956
 957         reply = dbus_pending_call_steal_reply(call);
 958
 959         dbus_error_init(&error);
 960
 961         if (dbus_set_error_from_message(&error, reply) == TRUE) {
 962                 connman_error("%s", error.message);
 963                 dbus_error_free(&error);
 964                 dbus_message_unref(reply);
 965                 dbus_pending_call_unref(call);
 966                 return;
 967         }
 968
 969         dbus_message_unref(reply);
 970         dbus_pending_call_unref(call);
 971
 972         connman_technology_tethering_notify(technology, TRUE);
 973 }
 974
 975 static void server_unregister_reply(DBusPendingCall *call, void *user_data)
 976 {
 977         struct connman_technology *technology = user_data;
 978         DBusError error;
 979         DBusMessage *reply;
 980
 981         DBG("");
 982
 983         reply = dbus_pending_call_steal_reply(call);
 984
 985         dbus_error_init(&error);
 986
 987         if (dbus_set_error_from_message(&error, reply) == TRUE) {
 988                 connman_error("%s", error.message);
 989                 dbus_error_free(&error);
 990                 dbus_message_unref(reply);
 991                 dbus_pending_call_unref(call);
 992                 return;
 993         }
 994
 995         dbus_message_unref(reply);
 996         dbus_pending_call_unref(call);
 997
 998         connman_technology_tethering_notify(technology, FALSE);
 999 }
1000
1001
1002 static void server_register(const char *path, const char *uuid,
1003                                 struct connman_technology *technology,
1004                                 const char *bridge, connman_bool_t enabled)
1005 {
1006         DBusMessage *message;
1007         DBusPendingCall *call;
1008         char *command;
1009
1010         DBG("path %s enabled %d", path, enabled);
1011
1012         command = enabled ? REGISTER : UNREGISTER;
1013
1014         message = dbus_message_new_method_call(BLUEZ_SERVICE, path,
1015                                         BLUEZ_NETWORK_SERVER, command);
1016         if (message == NULL)
1017                 return;
1018
1019         dbus_message_set_auto_start(message, FALSE);
1020
1021         dbus_message_append_args(message, DBUS_TYPE_STRING, &uuid,
1022                                                         DBUS_TYPE_INVALID);
1023
1024         if (enabled == TRUE)
1025                 dbus_message_append_args(message, DBUS_TYPE_STRING, &bridge,
1026                                                         DBUS_TYPE_INVALID);
1027
1028         if (dbus_connection_send_with_reply(connection, message,
1029                                                 &call, TIMEOUT) == FALSE) {
1030                 connman_error("Failed to enable PAN server");
1031                 dbus_message_unref(message);
1032                 return;
1033         }
1034
1035         if (call == NULL) {
1036                 connman_error("D-Bus connection not available");
1037                 dbus_message_unref(message);
1038                 return;
1039         }
1040
1041         if (enabled == TRUE)
1042                 dbus_pending_call_set_notify(call, server_register_reply,
1043                                                 technology, NULL);
1044         else
1045                 dbus_pending_call_set_notify(call, server_unregister_reply,
1046                                                 technology, NULL);
1047
1048         dbus_message_unref(message);
1049 }
1050
1051 struct tethering_info {
1052         struct connman_technology *technology;
1053         const char *bridge;
1054 };
1055
1056 static void enable_nap(gpointer key, gpointer value, gpointer user_data)
1057 {
1058         struct tethering_info *info = user_data;
1059         struct connman_device *device = value;
1060         const char *path;
1061
1062         DBG("");
1063
1064         path = connman_device_get_string(device, "Path");
1065
1066         server_register(path, "nap", info->technology, info->bridge, TRUE);
1067 }
1068
1069 static void disable_nap(gpointer key, gpointer value, gpointer user_data)
1070 {
1071         struct tethering_info *info = user_data;
1072         struct connman_device *device = value;
1073         const char *path;
1074
1075         DBG("");
1076
1077         path = connman_device_get_string(device, "Path");
1078
1079         server_register(path, "nap", info->technology, info->bridge, FALSE);
1080 }
1081
1082 static int tech_set_tethering(struct connman_technology *technology,
1083                                 const char *bridge, connman_bool_t enabled)
1084 {
1085         struct tethering_info info = {
1086                 .technology     = technology,
1087                 .bridge         = bridge,
1088         };
1089
1090         DBG("bridge %s", bridge);
1091
1092         if (enabled)
1093                 g_hash_table_foreach(bluetooth_devices, enable_nap, &info);
1094         else
1095                 g_hash_table_foreach(bluetooth_devices, disable_nap, &info);
1096
1097         return 0;
1098 }
1099
1100 static struct connman_technology_driver tech_driver = {
1101         .name           = "bluetooth",
1102         .type           = CONNMAN_SERVICE_TYPE_BLUETOOTH,
1103         .probe          = tech_probe,
1104         .remove         = tech_remove,
1105         .set_tethering  = tech_set_tethering,
1106 };
1107
1108 static guint watch;
1109 static guint added_watch;
1110 static guint removed_watch;
1111 static guint adapter_watch;
1112 static guint device_watch;
1113 static guint device_removed_watch;
1114 static guint network_watch;
1115
1116 static int bluetooth_init(void)
1117 {
1118         int err;
1119
1120         connection = connman_dbus_get_connection();
1121         if (connection == NULL)
1122                 return -EIO;
1123
1124         watch = g_dbus_add_service_watch(connection, BLUEZ_SERVICE,
1125                         bluetooth_connect, bluetooth_disconnect, NULL, NULL);
1126
1127         added_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
1128                                                 BLUEZ_MANAGER_INTERFACE,
1129                                                 ADAPTER_ADDED, adapter_added,
1130                                                 NULL, NULL);
1131
1132         removed_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
1133                                                 BLUEZ_MANAGER_INTERFACE,
1134                                                 ADAPTER_REMOVED, adapter_removed,
1135                                                 NULL, NULL);
1136
1137         adapter_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
1138                                                 BLUEZ_ADAPTER_INTERFACE,
1139                                                 PROPERTY_CHANGED, adapter_changed,
1140                                                 NULL, NULL);
1141
1142         device_removed_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
1143                                                 BLUEZ_ADAPTER_INTERFACE,
1144                                                 DEVICE_REMOVED, device_removed,
1145                                                 NULL, NULL);
1146
1147         device_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
1148                                                 BLUEZ_DEVICE_INTERFACE,
1149                                                 PROPERTY_CHANGED, device_changed,
1150                                                 NULL, NULL);
1151
1152         network_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
1153                                                 BLUEZ_NETWORK_INTERFACE,
1154                                                 PROPERTY_CHANGED, network_changed,
1155                                                 NULL, NULL);
1156
1157         if (watch == 0 || added_watch == 0 || removed_watch == 0
1158                         || adapter_watch == 0 || network_watch == 0
1159                                 || device_watch == 0
1160                                         || device_removed_watch == 0) {
1161                 err = -EIO;
1162                 goto remove;
1163         }
1164
1165         err = connman_network_driver_register(&pan_driver);
1166         if (err < 0)
1167                 goto remove;
1168
1169         err = connman_device_driver_register(&bluetooth_driver);
1170         if (err < 0) {
1171                 connman_network_driver_unregister(&pan_driver);
1172                 goto remove;
1173         }
1174
1175         err = connman_technology_driver_register(&tech_driver);
1176         if (err < 0) {
1177                 connman_device_driver_unregister(&bluetooth_driver);
1178                 connman_network_driver_unregister(&pan_driver);
1179                 return err;
1180         }
1181
1182         return 0;
1183
1184 remove:
1185         g_dbus_remove_watch(connection, watch);
1186         g_dbus_remove_watch(connection, added_watch);
1187         g_dbus_remove_watch(connection, removed_watch);
1188         g_dbus_remove_watch(connection, adapter_watch);
1189         g_dbus_remove_watch(connection, device_removed_watch);
1190         g_dbus_remove_watch(connection, device_watch);
1191         g_dbus_remove_watch(connection, network_watch);
1192
1193         dbus_connection_unref(connection);
1194
1195         return err;
1196 }
1197
1198 static void bluetooth_exit(void)
1199 {
1200         g_dbus_remove_watch(connection, watch);
1201         g_dbus_remove_watch(connection, added_watch);
1202         g_dbus_remove_watch(connection, removed_watch);
1203         g_dbus_remove_watch(connection, adapter_watch);
1204         g_dbus_remove_watch(connection, device_removed_watch);
1205         g_dbus_remove_watch(connection, device_watch);
1206         g_dbus_remove_watch(connection, network_watch);
1207
1208         bluetooth_disconnect(connection, NULL);
1209
1210         connman_technology_driver_unregister(&tech_driver);
1211
1212         connman_device_driver_unregister(&bluetooth_driver);
1213         connman_network_driver_unregister(&pan_driver);
1214
1215         dbus_connection_unref(connection);
1216 }
1217
1218 CONNMAN_PLUGIN_DEFINE(bluetooth, "Bluetooth technology plugin", VERSION,
1219                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, bluetooth_init, bluetooth_exit)