plugins/bluetooth.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2013  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 <string.h>
  28
  29 #define CONNMAN_API_SUBJECT_TO_CHANGE
  30 #include <connman/plugin.h>
  31 #include <connman/dbus.h>
  32 #include <connman/technology.h>
  33 #include <connman/device.h>
  34 #include <connman/inet.h>
  35 #include <gdbus.h>
  36
  37 #define BLUEZ_SERVICE                   "org.bluez"
  38 #define BLUEZ_PATH                      "/org/bluez"
  39 #define BLUETOOTH_PAN_PANU              "00001115-0000-1000-8000-00805f9b34fb"
  40 #define BLUETOOTH_PAN_NAP               "00001116-0000-1000-8000-00805f9b34fb"
  41 #define BLUETOOTH_PAN_GN                "00001117-0000-1000-8000-00805f9b34fb"
  42
  43 #define BLUETOOTH_ADDR_LEN              6
  44
  45 static DBusConnection *connection;
  46 static GDBusClient *client;
  47 static GHashTable *devices;
  48 static GHashTable *networks;
  49 static bool bluetooth_tethering;
  50
  51 struct bluetooth_pan {
  52         struct connman_network *network;
  53         GDBusProxy *btdevice_proxy;
  54         GDBusProxy *btnetwork_proxy;
  55         const char *pan_role;
  56 };
  57
  58 static void address2ident(const char *address, char *ident)
  59 {
  60         int i;
  61
  62         for (i = 0; i < BLUETOOTH_ADDR_LEN; i++) {
  63                 ident[i * 2] = address[i * 3];
  64                 ident[i * 2 + 1] = address[i * 3 + 1];
  65         }
  66         ident[BLUETOOTH_ADDR_LEN * 2] = '\0';
  67 }
  68
  69 static const char *proxy_get_string(GDBusProxy *proxy, const char *property)
  70 {
  71         DBusMessageIter iter;
  72         const char *str;
  73
  74         if (!g_dbus_proxy_get_property(proxy, property, &iter))
  75                 return NULL;
  76         dbus_message_iter_get_basic(&iter, &str);
  77         return str;
  78 }
  79
  80 static bool proxy_get_bool(GDBusProxy *proxy, const char *property)
  81 {
  82         DBusMessageIter iter;
  83         dbus_bool_t value;
  84
  85         if (!g_dbus_proxy_get_property(proxy, property, &iter))
  86                 return false;
  87         dbus_message_iter_get_basic(&iter, &value);
  88         return value;
  89 }
  90
  91 static const char *proxy_get_role(GDBusProxy *proxy)
  92 {
  93         DBusMessageIter iter, value;
  94         const char *pref = NULL;
  95
  96         if (!proxy)
  97                 return NULL;
  98
  99         if (!g_dbus_proxy_get_property(proxy, "UUIDs", &iter))
 100                 return NULL;
 101
 102         dbus_message_iter_recurse(&iter, &value);
 103         while (dbus_message_iter_get_arg_type(&value) == DBUS_TYPE_STRING) {
 104                 const char *uuid;
 105
 106                 dbus_message_iter_get_basic(&value, &uuid);
 107                 /*
 108                  * If a device offers more than one role, we prefer NAP,
 109                  * then GN, then PANU.
 110                  */
 111                 if (!strcmp(uuid, BLUETOOTH_PAN_NAP))
 112                         return "nap";
 113                 if (!strcmp(uuid, BLUETOOTH_PAN_GN))
 114                         pref = "gn";
 115                 if (!strcmp(uuid, BLUETOOTH_PAN_PANU) && !pref)
 116                         pref = "panu";
 117
 118                 dbus_message_iter_next(&value);
 119         }
 120
 121         return pref;
 122 }
 123
 124 static int bluetooth_pan_probe(struct connman_network *network)
 125 {
 126         GHashTableIter iter;
 127         gpointer key, value;
 128
 129         DBG("network %p", network);
 130
 131         g_hash_table_iter_init(&iter, networks);
 132
 133         while (g_hash_table_iter_next(&iter, &key, &value)) {
 134                 struct bluetooth_pan *pan = value;
 135
 136                 if (network == pan->network)
 137                         return 0;
 138         }
 139
 140         return -EOPNOTSUPP;
 141 }
 142
 143 static void pan_remove_nap(struct bluetooth_pan *pan)
 144 {
 145         struct connman_device *device;
 146         struct connman_network *network = pan->network;
 147
 148         DBG("network %p pan %p", pan->network, pan);
 149
 150         if (!network)
 151                 return;
 152
 153         pan->network = NULL;
 154         connman_network_set_data(network, NULL);
 155
 156         device = connman_network_get_device(network);
 157         if (device)
 158                 connman_device_remove_network(device, network);
 159
 160         connman_network_unref(network);
 161 }
 162
 163 static void bluetooth_pan_remove(struct connman_network *network)
 164 {
 165         struct bluetooth_pan *pan = connman_network_get_data(network);
 166
 167         DBG("network %p pan %p", network, pan);
 168
 169         connman_network_set_data(network, NULL);
 170
 171         if (pan)
 172                 pan_remove_nap(pan);
 173 }
 174
 175 static bool pan_connect(struct bluetooth_pan *pan,
 176                 const char *iface)
 177 {
 178         int index;
 179
 180         if (!iface) {
 181                 if (!proxy_get_bool(pan->btnetwork_proxy, "Connected"))
 182                         return false;
 183                 iface = proxy_get_string(pan->btnetwork_proxy, "Interface");
 184         }
 185
 186         if (!iface)
 187                 return false;
 188
 189         index = connman_inet_ifindex(iface);
 190         if (index < 0) {
 191                 DBG("network %p invalid index %d", pan->network, index);
 192                 return false;
 193         }
 194
 195 #if defined TIZEN_EXT
 196         if (pan->network) {
 197 #endif
 198         connman_network_set_index(pan->network, index);
 199         connman_network_set_connected(pan->network, true);
 200 #if defined TIZEN_EXT
 201         }
 202 #endif
 203
 204         return true;
 205 }
 206
 207 static void pan_connect_cb(DBusMessage *message, void *user_data)
 208 {
 209         const char *path = user_data;
 210         const char *iface = NULL;
 211         struct bluetooth_pan *pan;
 212         DBusMessageIter iter;
 213
 214         pan = g_hash_table_lookup(networks, path);
 215         if (!pan || !pan->network) {
 216                 DBG("network already removed");
 217                 return;
 218         }
 219
 220 #ifdef TIZEN_EXT
 221         /*
 222          * Network could be removed because of BT adapter power off
 223          * This is to handle the scenario where network is removed
 224          * before the connect_cb is called
 225          */
 226         if (!pan->network) {
 227                 DBG("network already removed");
 228                 return;
 229         }
 230 #endif
 231
 232         if (dbus_message_get_type(message) == DBUS_MESSAGE_TYPE_ERROR) {
 233                 const char *dbus_error = dbus_message_get_error_name(message);
 234
 235                 DBG("network %p %s", pan->network, dbus_error);
 236
 237                 if (strcmp(dbus_error,
 238                                 "org.bluez.Error.AlreadyConnected") != 0) {
 239                         connman_network_set_associating(pan->network, false);
 240                         connman_network_set_error(pan->network,
 241                                 CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 242                         return;
 243                 }
 244         } else {
 245                 if (dbus_message_iter_init(message, &iter) &&
 246                                 dbus_message_iter_get_arg_type(&iter) ==
 247                                 DBUS_TYPE_STRING)
 248                         dbus_message_iter_get_basic(&iter, &iface);
 249         }
 250
 251         DBG("network %p interface %s", pan->network, iface);
 252
 253         pan_connect(pan, iface);
 254 }
 255
 256 static void pan_connect_append(DBusMessageIter *iter,
 257                 void *user_data)
 258 {
 259         const char *path = user_data;
 260         struct bluetooth_pan *pan;
 261
 262         pan = g_hash_table_lookup(networks, path);
 263         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &pan->pan_role);
 264 }
 265
 266 static int bluetooth_pan_connect(struct connman_network *network)
 267 {
 268         struct bluetooth_pan *pan = connman_network_get_data(network);
 269         const char *path;
 270
 271         DBG("network %p", network);
 272
 273         if (!pan)
 274                 return -EINVAL;
 275
 276         path = g_dbus_proxy_get_path(pan->btnetwork_proxy);
 277
 278         if (!g_dbus_proxy_method_call(pan->btnetwork_proxy, "Connect",
 279                         pan_connect_append, pan_connect_cb,
 280                         g_strdup(path), g_free))
 281                 return -EIO;
 282
 283 #if defined TIZEN_EXT
 284         if (pan->network)
 285 #endif
 286         connman_network_set_associating(pan->network, true);
 287
 288         return -EINPROGRESS;
 289 }
 290
 291 static void pan_disconnect_cb(DBusMessage *message, void *user_data)
 292 {
 293         const char *path = user_data;
 294         struct bluetooth_pan *pan;
 295
 296         pan = g_hash_table_lookup(networks, path);
 297         if (!pan || !pan->network) {
 298                 DBG("network already removed");
 299                 return;
 300         }
 301
 302         if (dbus_message_get_type(message) == DBUS_MESSAGE_TYPE_ERROR) {
 303                 const char *dbus_error = dbus_message_get_error_name(message);
 304
 305                 DBG("network %p %s", pan->network, dbus_error);
 306         }
 307
 308         DBG("network %p", pan->network);
 309
 310 #if defined TIZEN_EXT
 311         if (pan->network)
 312 #endif
 313         connman_network_set_connected(pan->network, false);
 314 }
 315
 316 static int bluetooth_pan_disconnect(struct connman_network *network)
 317 {
 318         struct bluetooth_pan *pan = connman_network_get_data(network);
 319         const char *path;
 320
 321         DBG("network %p", network);
 322
 323         if (!pan)
 324                 return -EINVAL;
 325
 326 #if defined TIZEN_EXT
 327         if (connman_network_get_associating(network) == TRUE)
 328                 connman_network_clear_associating(network);
 329 #endif
 330
 331         path = g_dbus_proxy_get_path(pan->btnetwork_proxy);
 332
 333         if (!g_dbus_proxy_method_call(pan->btnetwork_proxy, "Disconnect",
 334                         NULL, pan_disconnect_cb, g_strdup(path), g_free))
 335                 return -EIO;
 336
 337        return -EINPROGRESS;
 338 }
 339
 340 static void btnetwork_property_change(GDBusProxy *proxy, const char *name,
 341                 DBusMessageIter *iter, void *user_data)
 342 {
 343         struct bluetooth_pan *pan;
 344         dbus_bool_t connected;
 345         bool proxy_connected, network_connected;
 346
 347         if (strcmp(name, "Connected") != 0)
 348                 return;
 349
 350         pan = g_hash_table_lookup(networks, g_dbus_proxy_get_path(proxy));
 351         if (!pan || !pan->network)
 352                 return;
 353
 354         dbus_message_iter_get_basic(iter, &connected);
 355         proxy_connected = connected;
 356
 357         network_connected = connman_network_get_connected(pan->network);
 358
 359         DBG("network %p network connected %d proxy connected %d",
 360                         pan->network, network_connected, proxy_connected);
 361
 362        if (network_connected != proxy_connected)
 363                connman_network_set_connected(pan->network, proxy_connected);
 364 }
 365
 366 static void pan_create_nap(struct bluetooth_pan *pan)
 367 {
 368         struct connman_device *device;
 369         const char* role;
 370         const char *adapter;
 371
 372         role = proxy_get_role(pan->btdevice_proxy);
 373         if (!role) {
 374                 pan_remove_nap(pan);
 375                 return;
 376         }
 377
 378         adapter = proxy_get_string(pan->btdevice_proxy, "Adapter");
 379
 380         if (!adapter)
 381                 return;
 382
 383         device = g_hash_table_lookup(devices, adapter);
 384
 385         if (!device || !connman_device_get_powered(device))
 386                 return;
 387
 388         if (!pan->network) {
 389                 const char *address;
 390                 char ident[BLUETOOTH_ADDR_LEN * 2 + 1];
 391                 const char *name, *path;
 392
 393                 address = proxy_get_string(pan->btdevice_proxy, "Address");
 394                 if (!address) {
 395                         connman_warn("Bluetooth device address missing");
 396                         return;
 397                 }
 398
 399                 address2ident(address, ident);
 400
 401                 pan->network = connman_network_create(ident,
 402                                 CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN);
 403
 404                 name = proxy_get_string(pan->btdevice_proxy, "Alias");
 405                 path = g_dbus_proxy_get_path(pan->btnetwork_proxy);
 406
 407                 DBG("network %p %s %s", pan->network, path, name);
 408
 409                 if (!pan->network) {
 410                         connman_warn("Bluetooth network %s creation failed",
 411                                         path);
 412                         return;
 413                 }
 414
 415                 connman_network_set_data(pan->network, pan);
 416                 connman_network_set_name(pan->network, name);
 417                 connman_network_set_group(pan->network, ident);
 418         }
 419
 420         pan->pan_role = role;
 421         connman_device_add_network(device, pan->network);
 422
 423         if (pan_connect(pan, NULL))
 424                 DBG("network %p already connected", pan->network);
 425 }
 426
 427 static void btdevice_property_change(GDBusProxy *proxy, const char *name,
 428                 DBusMessageIter *iter, void *user_data)
 429 {
 430         struct bluetooth_pan *pan;
 431         const char *old_role = NULL;
 432         const char *new_role;
 433
 434         if (strcmp(name, "UUIDs"))
 435                 return;
 436
 437         pan = g_hash_table_lookup(networks, g_dbus_proxy_get_path(proxy));
 438         if (!pan)
 439                 return;
 440
 441         if (pan->network &&
 442                         connman_network_get_device(pan->network))
 443                 old_role = pan->pan_role;
 444         new_role = proxy_get_role(pan->btdevice_proxy);
 445
 446         DBG("network %p network role %s proxy role %s", pan->network, old_role,
 447                         new_role);
 448
 449         if (old_role && new_role && !strcmp(old_role, new_role))
 450                 return;
 451
 452         pan_create_nap(pan);
 453 }
 454
 455 static void pan_free(gpointer data)
 456 {
 457         struct bluetooth_pan *pan = data;
 458
 459         if (pan->btnetwork_proxy) {
 460                 g_dbus_proxy_unref(pan->btnetwork_proxy);
 461                 pan->btnetwork_proxy = NULL;
 462         }
 463
 464         if (pan->btdevice_proxy) {
 465                 g_dbus_proxy_unref(pan->btdevice_proxy);
 466                 pan->btdevice_proxy = NULL;
 467         }
 468
 469         pan_remove_nap(pan);
 470
 471         g_free(pan);
 472 }
 473
 474 static void pan_create(GDBusProxy *network_proxy)
 475 {
 476         const char *path = g_dbus_proxy_get_path(network_proxy);
 477         struct bluetooth_pan *pan;
 478
 479         pan = g_try_new0(struct bluetooth_pan, 1);
 480
 481         if (!pan) {
 482                 connman_error("Out of memory creating PAN NAP");
 483                 return;
 484         }
 485
 486         g_hash_table_replace(networks, g_strdup(path), pan);
 487
 488         pan->btnetwork_proxy = g_dbus_proxy_ref(network_proxy);
 489         pan->btdevice_proxy = g_dbus_proxy_new(client, path,
 490                         "org.bluez.Device1");
 491
 492         if (!pan->btdevice_proxy) {
 493                 connman_error("Cannot create BT PAN watcher %s", path);
 494                 g_hash_table_remove(networks, path);
 495                 return;
 496         }
 497
 498         g_dbus_proxy_set_property_watch(pan->btnetwork_proxy,
 499                         btnetwork_property_change, NULL);
 500
 501         g_dbus_proxy_set_property_watch(pan->btdevice_proxy,
 502                         btdevice_property_change, NULL);
 503
 504         DBG("pan %p %s role %s", pan, path, proxy_get_role(pan->btdevice_proxy));
 505
 506         pan_create_nap(pan);
 507 }
 508
 509 static struct connman_network_driver network_driver = {
 510         .name           = "bluetooth",
 511         .type           = CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN,
 512         .probe          = bluetooth_pan_probe,
 513         .remove         = bluetooth_pan_remove,
 514         .connect        = bluetooth_pan_connect,
 515         .disconnect     = bluetooth_pan_disconnect,
 516 };
 517
 518 static void enable_device(struct connman_device *device, const char *path)
 519 {
 520         GHashTableIter iter;
 521         gpointer key, value;
 522
 523         DBG("device %p %s", device, path);
 524         connman_device_set_powered(device, true);
 525
 526         g_hash_table_iter_init(&iter, networks);
 527         while (g_hash_table_iter_next(&iter, &key, &value)) {
 528                 struct bluetooth_pan *pan = value;
 529
 530                 if (g_strcmp0(proxy_get_string(pan->btdevice_proxy, "Adapter"),
 531                                                 path) == 0) {
 532
 533                         DBG("enable network %p", pan->network);
 534                         pan_create_nap(pan);
 535                 }
 536         }
 537 }
 538
 539 static void device_enable_cb(const DBusError *error, void *user_data)
 540 {
 541         char *path = user_data;
 542         struct connman_device *device;
 543
 544         device = g_hash_table_lookup(devices, path);
 545         if (!device) {
 546                 DBG("device already removed");
 547                 goto out;
 548         }
 549
 550         if (dbus_error_is_set(error)) {
 551                 connman_warn("Bluetooth device %s not enabled %s",
 552                                 path, error->message);
 553                 goto out;
 554         }
 555
 556 #if !defined TIZEN_EXT
 557         enable_device(device, path);
 558 #endif
 559 out:
 560         g_free(path);
 561 }
 562
 563 static int bluetooth_device_enable(struct connman_device *device)
 564 {
 565         GDBusProxy *proxy = connman_device_get_data(device);
 566         dbus_bool_t device_powered = TRUE;
 567         const char *path;
 568
 569         if (!proxy)
 570                 return 0;
 571
 572         path = g_dbus_proxy_get_path(proxy);
 573
 574         if (proxy_get_bool(proxy, "Powered")) {
 575                 DBG("already enabled %p %s", device, path);
 576                 return -EALREADY;
 577         }
 578
 579         DBG("device %p %s", device, path);
 580
 581         g_dbus_proxy_set_property_basic(proxy, "Powered",
 582                         DBUS_TYPE_BOOLEAN, &device_powered,
 583                         device_enable_cb, g_strdup(path), NULL);
 584
 585         return -EINPROGRESS;
 586 }
 587
 588 static void disable_device(struct connman_device *device, const char *path)
 589 {
 590         GHashTableIter iter;
 591         gpointer key, value;
 592
 593         DBG("device %p %s", device, path);
 594         connman_device_set_powered(device, false);
 595
 596         g_hash_table_iter_init(&iter, networks);
 597         while (g_hash_table_iter_next(&iter, &key, &value)) {
 598                 struct bluetooth_pan *pan = value;
 599
 600                 if (pan->network && connman_network_get_device(pan->network)
 601                                 == device) {
 602                         DBG("disable network %p", pan->network);
 603                         connman_device_remove_network(device, pan->network);
 604                 }
 605         }
 606 }
 607
 608 static void device_disable_cb(const DBusError *error, void *user_data)
 609 {
 610         char *path = user_data;
 611         struct connman_device *device;
 612
 613         device = g_hash_table_lookup(devices, path);
 614         if (!device) {
 615                 DBG("device already removed");
 616                 goto out;
 617         }
 618
 619         if (dbus_error_is_set(error)) {
 620                 connman_warn("Bluetooth device %s not disabled: %s",
 621                                 path, error->message);
 622                 goto out;
 623         }
 624
 625 #if !defined TIZEN_EXT
 626         disable_device(device, path);
 627 #endif
 628
 629 out:
 630         g_free(path);
 631 }
 632
 633 static int bluetooth_device_disable(struct connman_device *device)
 634 {
 635         GDBusProxy *proxy = connman_device_get_data(device);
 636         dbus_bool_t device_powered = FALSE;
 637         const char *path;
 638
 639         if (!proxy)
 640                 return 0;
 641
 642         path = g_dbus_proxy_get_path(proxy);
 643
 644         if (!proxy_get_bool(proxy, "Powered")) {
 645                 DBG("already disabled %p %s", device, path);
 646                 return -EALREADY;
 647         }
 648
 649         DBG("device %p %s", device, path);
 650
 651         g_dbus_proxy_set_property_basic(proxy, "Powered",
 652                         DBUS_TYPE_BOOLEAN, &device_powered,
 653                         device_disable_cb, g_strdup(path), NULL);
 654
 655         return -EINPROGRESS;
 656 }
 657
 658 static void adapter_property_change(GDBusProxy *proxy, const char *name,
 659                 DBusMessageIter *iter, void *user_data)
 660 {
 661         struct connman_device *device;
 662         const char *path;
 663         bool adapter_powered, device_powered;
 664
 665         if (strcmp(name, "Powered") != 0)
 666                 return;
 667
 668         path = g_dbus_proxy_get_path(proxy);
 669         device = g_hash_table_lookup(devices, path);
 670
 671         adapter_powered = proxy_get_bool(proxy, "Powered");
 672         device_powered = connman_device_get_powered(device);
 673
 674         DBG("device %p %s device powered %d adapter powered %d", device, path,
 675                         device_powered, adapter_powered);
 676
 677         if (device_powered != adapter_powered) {
 678                 if (adapter_powered)
 679                         enable_device(device, path);
 680                 else
 681                         disable_device(device, path);
 682         }
 683 }
 684
 685 static void device_free(gpointer data)
 686 {
 687         struct connman_device *device = data;
 688         GDBusProxy *proxy = connman_device_get_data(device);
 689
 690         connman_device_set_data(device, NULL);
 691         if (proxy)
 692                 g_dbus_proxy_unref(proxy);
 693
 694         connman_device_unregister(device);
 695         connman_device_unref(device);
 696 }
 697
 698 struct tethering_info {
 699         struct connman_technology *technology;
 700         char *bridge;
 701         bool enable;
 702 };
 703
 704 static void tethering_free(void *user_data)
 705 {
 706         struct tethering_info *tethering = user_data;
 707
 708         g_free(tethering->bridge);
 709         g_free(tethering);
 710 }
 711
 712 static void tethering_create_cb(DBusMessage *message, void *user_data)
 713 {
 714         struct tethering_info *tethering = user_data;
 715
 716         if (dbus_message_get_type(message) == DBUS_MESSAGE_TYPE_ERROR) {
 717                 const char *dbus_error = dbus_message_get_error_name(message);
 718
 719                 DBG("%s tethering failed: %s",
 720                                 tethering->enable ? "enable" : "disable",
 721                                 dbus_error);
 722                 return;
 723         }
 724
 725         DBG("bridge %s %s", tethering->bridge, tethering->enable ?
 726                         "enabled": "disabled");
 727
 728         if (tethering->technology)
 729                 connman_technology_tethering_notify(tethering->technology,
 730                                 tethering->enable);
 731 }
 732
 733 static void tethering_append(DBusMessageIter *iter, void *user_data)
 734 {
 735         struct tethering_info *tethering = user_data;
 736         const char *nap = "nap";
 737
 738         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &nap);
 739         if (tethering->enable)
 740                 dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
 741                                 &tethering->bridge);
 742 }
 743
 744 static bool tethering_create(const char *path,
 745                 struct connman_technology *technology, const char *bridge,
 746                 bool enabled)
 747 {
 748         struct tethering_info *tethering = g_new0(struct tethering_info, 1);
 749         GDBusProxy *proxy;
 750         const char *method;
 751         bool result;
 752
 753         DBG("path %s bridge %s", path, bridge);
 754
 755         if (!bridge) {
 756                 g_free(tethering);
 757                 return false;
 758         }
 759
 760         proxy = g_dbus_proxy_new(client, path, "org.bluez.NetworkServer1");
 761         if (!proxy) {
 762                 g_free(tethering);
 763                 return false;
 764         }
 765
 766         tethering->technology = technology;
 767         tethering->bridge = g_strdup(bridge);
 768         tethering->enable = enabled;
 769
 770         if (tethering->enable)
 771                 method = "Register";
 772         else
 773                 method = "Unregister";
 774
 775         result = g_dbus_proxy_method_call(proxy, method, tethering_append,
 776                         tethering_create_cb, tethering, tethering_free);
 777
 778         g_dbus_proxy_unref(proxy);
 779
 780         return result;
 781 }
 782
 783 static void device_create(GDBusProxy *proxy)
 784 {
 785         struct connman_device *device = NULL;
 786         const char *path = g_dbus_proxy_get_path(proxy);
 787         const char *address;
 788         char ident[BLUETOOTH_ADDR_LEN * 2 + 1];
 789         bool powered;
 790
 791         address = proxy_get_string(proxy, "Address");
 792         if (!address)
 793                 return;
 794
 795         address2ident(address, ident);
 796
 797         device = connman_device_create("bluetooth",
 798                         CONNMAN_DEVICE_TYPE_BLUETOOTH);
 799         if (!device)
 800                 return;
 801
 802         connman_device_set_data(device, g_dbus_proxy_ref(proxy));
 803         connman_device_set_ident(device, ident);
 804
 805         g_hash_table_replace(devices, g_strdup(path), device);
 806
 807         DBG("device %p %s device powered %d adapter powered %d", device,
 808                         path, connman_device_get_powered(device),
 809                         proxy_get_bool(proxy, "Powered"));
 810
 811         if (connman_device_register(device) < 0) {
 812                 g_hash_table_remove(devices, device);
 813                 return;
 814         }
 815
 816         g_dbus_proxy_set_property_watch(proxy, adapter_property_change, NULL);
 817
 818         powered = proxy_get_bool(proxy, "Powered");
 819         connman_device_set_powered(device, powered);
 820
 821         if (proxy_get_role(proxy) && !bluetooth_tethering)
 822                 tethering_create(path, NULL, NULL, false);
 823 }
 824
 825 static void object_added(GDBusProxy *proxy, void *user_data)
 826 {
 827         const char *interface;
 828
 829         interface = g_dbus_proxy_get_interface(proxy);
 830         if (!interface) {
 831                 connman_warn("Interface or proxy missing when adding "
 832                                                         "bluetooth object");
 833                 return;
 834         }
 835
 836         if (strcmp(interface, "org.bluez.Adapter1") == 0) {
 837                 DBG("%s %s", interface, g_dbus_proxy_get_path(proxy));
 838                 device_create(proxy);
 839                 return;
 840         }
 841
 842         if (strcmp(interface, "org.bluez.Network1") == 0) {
 843                 DBG("%s %s", interface, g_dbus_proxy_get_path(proxy));
 844                 pan_create(proxy);
 845                 return;
 846         }
 847 }
 848
 849 static void object_removed(GDBusProxy *proxy, void *user_data)
 850 {
 851         const char *interface, *path;
 852
 853         interface = g_dbus_proxy_get_interface(proxy);
 854         if (!interface) {
 855                 connman_warn("Interface or proxy missing when removing "
 856                                                         "bluetooth object");
 857                 return;
 858         }
 859
 860         if (strcmp(interface, "org.bluez.Adapter1") == 0) {
 861                 path = g_dbus_proxy_get_path(proxy);
 862                 DBG("%s %s", interface, path);
 863
 864                 g_hash_table_remove(devices, path);
 865         }
 866
 867         if (strcmp(interface, "org.bluez.Network1") == 0) {
 868                 path = g_dbus_proxy_get_path(proxy);
 869                 DBG("%s %s", interface, path);
 870
 871                 g_hash_table_remove(networks, path);
 872         }
 873
 874 }
 875
 876 static int bluetooth_device_probe(struct connman_device *device)
 877 {
 878         GHashTableIter iter;
 879         gpointer key, value;
 880
 881         g_hash_table_iter_init(&iter, devices);
 882
 883         while (g_hash_table_iter_next(&iter, &key, &value)) {
 884                 struct connman_device *known = value;
 885
 886                 if (device == known)
 887                         return 0;
 888         }
 889
 890         return -EOPNOTSUPP;
 891 }
 892
 893 static void bluetooth_device_remove(struct connman_device *device)
 894 {
 895         DBG("%p", device);
 896 }
 897
 898 static struct connman_device_driver device_driver = {
 899         .name           = "bluetooth",
 900         .type           = CONNMAN_DEVICE_TYPE_BLUETOOTH,
 901         .probe          = bluetooth_device_probe,
 902         .remove         = bluetooth_device_remove,
 903         .enable         = bluetooth_device_enable,
 904         .disable        = bluetooth_device_disable,
 905 };
 906
 907 static int bluetooth_tech_probe(struct connman_technology *technology)
 908 {
 909         return 0;
 910 }
 911
 912 static void bluetooth_tech_remove(struct connman_technology *technology)
 913 {
 914
 915 }
 916
 917 static int bluetooth_tech_set_tethering(struct connman_technology *technology,
 918                 const char *identifier, const char *passphrase,
 919                 const char *bridge, bool enabled)
 920 {
 921         GHashTableIter hash_iter;
 922         gpointer key, value;
 923         int i = 0;
 924
 925         bluetooth_tethering = enabled;
 926
 927         g_hash_table_iter_init(&hash_iter, devices);
 928
 929         while (g_hash_table_iter_next(&hash_iter, &key, &value)) {
 930                 const char *path = key;
 931                 struct connman_device *device = value;
 932
 933                 DBG("device %p", device);
 934
 935                 if (tethering_create(path, technology, bridge, enabled)
 936                                 )
 937                         i++;
 938         }
 939
 940         DBG("%s %d device(s)", enabled ? "enabled" : "disabled", i);
 941
 942         if (i == 0)
 943                 return -ENODEV;
 944
 945         return 0;
 946 }
 947
 948 static struct connman_technology_driver tech_driver = {
 949         .name           = "bluetooth",
 950         .type           = CONNMAN_SERVICE_TYPE_BLUETOOTH,
 951         .probe          = bluetooth_tech_probe,
 952         .remove         = bluetooth_tech_remove,
 953         .set_tethering  = bluetooth_tech_set_tethering,
 954 };
 955
 956 static int bluetooth_init(void)
 957 {
 958         connection = connman_dbus_get_connection();
 959         if (!connection)
 960                 goto out;
 961
 962         if (connman_technology_driver_register(&tech_driver) < 0) {
 963                 connman_warn("Failed to initialize technology for Bluez 5");
 964                 goto out;
 965         }
 966
 967         devices = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
 968                         device_free);
 969
 970         if (connman_device_driver_register(&device_driver) < 0) {
 971                 connman_warn("Failed to initialize device driver for "
 972                                 BLUEZ_SERVICE);
 973                 connman_technology_driver_unregister(&tech_driver);
 974                 goto out;
 975         }
 976
 977         if (connman_network_driver_register(&network_driver) < 0) {
 978                 connman_technology_driver_unregister(&tech_driver);
 979                 connman_device_driver_unregister(&device_driver);
 980                 goto out;
 981         }
 982
 983         networks = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
 984                         pan_free);
 985
 986         client = g_dbus_client_new(connection, BLUEZ_SERVICE, BLUEZ_PATH);
 987         if (!client) {
 988                 connman_warn("Failed to initialize D-Bus client for "
 989                                 BLUEZ_SERVICE);
 990                 goto out;
 991         }
 992
 993         g_dbus_client_set_proxy_handlers(client, object_added, object_removed,
 994                         NULL, NULL);
 995
 996         return 0;
 997
 998 out:
 999         if (networks)
1000                 g_hash_table_destroy(networks);
1001
1002         if (devices)
1003                 g_hash_table_destroy(devices);
1004
1005         if (client)
1006                 g_dbus_client_unref(client);
1007
1008         if (connection)
1009                 dbus_connection_unref(connection);
1010
1011         return -EIO;
1012 }
1013
1014 static void bluetooth_exit(void)
1015 {
1016         /*
1017          * We unset the disabling of the Bluetooth device when shutting down
1018          * so that non-PAN BT connections are not affected.
1019          */
1020         device_driver.disable = NULL;
1021
1022         g_dbus_client_unref(client);
1023
1024         connman_network_driver_unregister(&network_driver);
1025         g_hash_table_destroy(networks);
1026
1027         connman_device_driver_unregister(&device_driver);
1028         g_hash_table_destroy(devices);
1029
1030         connman_technology_driver_unregister(&tech_driver);
1031         dbus_connection_unref(connection);
1032 }
1033
1034 CONNMAN_PLUGIN_DEFINE(bluetooth, "Bluetooth technology plugin", VERSION,
1035                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, bluetooth_init, bluetooth_exit)