src/technology.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2012  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 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static DBusConnection *connection;
  34
  35 static GSList *technology_list = NULL;
  36
  37 /*
  38  * List of devices with no technology associated with them either because of
  39  * no compiled in support or the driver is not yet loaded.
  40 */
  41 static GSList *techless_device_list = NULL;
  42 static GHashTable *rfkill_list;
  43
  44 static connman_bool_t global_offlinemode;
  45
  46 struct connman_rfkill {
  47         unsigned int index;
  48         enum connman_service_type type;
  49         connman_bool_t softblock;
  50         connman_bool_t hardblock;
  51 };
  52
  53 struct connman_technology {
  54         int refcount;
  55         enum connman_service_type type;
  56         char *path;
  57         GSList *device_list;
  58         connman_bool_t enabled;
  59         char *regdom;
  60         connman_bool_t connected;
  61
  62         connman_bool_t tethering;
  63         char *tethering_ident;
  64         char *tethering_passphrase;
  65
  66         connman_bool_t enable_persistent; /* Save the tech state */
  67
  68         struct connman_technology_driver *driver;
  69         void *driver_data;
  70
  71         DBusMessage *pending_reply;
  72         guint pending_timeout;
  73
  74         GSList *scan_pending;
  75
  76         connman_bool_t rfkill_driven;
  77         connman_bool_t softblocked;
  78         connman_bool_t hardblocked;
  79         connman_bool_t dbus_registered;
  80 };
  81
  82 static GSList *driver_list = NULL;
  83
  84 static gint compare_priority(gconstpointer a, gconstpointer b)
  85 {
  86         const struct connman_technology_driver *driver1 = a;
  87         const struct connman_technology_driver *driver2 = b;
  88
  89         return driver2->priority - driver1->priority;
  90 }
  91
  92 static void rfkill_check(gpointer key, gpointer value, gpointer user_data)
  93 {
  94         struct connman_rfkill *rfkill = value;
  95         enum connman_service_type type = GPOINTER_TO_INT(user_data);
  96
  97         /* Calling _technology_rfkill_add will update the tech. */
  98         if (rfkill->type == type)
  99                 __connman_technology_add_rfkill(rfkill->index, type,
 100                                 rfkill->softblock, rfkill->hardblock);
 101 }
 102
 103 /**
 104  * connman_technology_driver_register:
 105  * @driver: Technology driver definition
 106  *
 107  * Register a new technology driver
 108  *
 109  * Returns: %0 on success
 110  */
 111 int connman_technology_driver_register(struct connman_technology_driver *driver)
 112 {
 113         GSList *list;
 114         struct connman_device *device;
 115         enum connman_service_type type;
 116
 117         DBG("Registering %s driver", driver->name);
 118
 119         driver_list = g_slist_insert_sorted(driver_list, driver,
 120                                                         compare_priority);
 121
 122         if (techless_device_list == NULL)
 123                 goto check_rfkill;
 124
 125         /*
 126          * Check for technology less devices if this driver
 127          * can service any of them.
 128         */
 129         for (list = techless_device_list; list; list = list->next) {
 130                 device = list->data;
 131
 132                 type = __connman_device_get_service_type(device);
 133                 if (type != driver->type)
 134                         continue;
 135
 136                 techless_device_list = g_slist_remove(techless_device_list,
 137                                                                 device);
 138
 139                 __connman_technology_add_device(device);
 140         }
 141
 142 check_rfkill:
 143         /* Check for orphaned rfkill switches. */
 144         g_hash_table_foreach(rfkill_list, rfkill_check,
 145                                         GINT_TO_POINTER(driver->type));
 146
 147         return 0;
 148 }
 149
 150 /**
 151  * connman_technology_driver_unregister:
 152  * @driver: Technology driver definition
 153  *
 154  * Remove a previously registered technology driver
 155  */
 156 void connman_technology_driver_unregister(struct connman_technology_driver *driver)
 157 {
 158         GSList *list;
 159         struct connman_technology *technology;
 160
 161         DBG("Unregistering driver %p name %s", driver, driver->name);
 162
 163         for (list = technology_list; list; list = list->next) {
 164                 technology = list->data;
 165
 166                 if (technology->driver == NULL)
 167                         continue;
 168
 169                 if (technology->type == driver->type) {
 170                         technology->driver->remove(technology);
 171                         technology->driver = NULL;
 172                 }
 173         }
 174
 175         driver_list = g_slist_remove(driver_list, driver);
 176 }
 177
 178 static void tethering_changed(struct connman_technology *technology)
 179 {
 180         connman_bool_t tethering = technology->tethering;
 181
 182         connman_dbus_property_changed_basic(technology->path,
 183                                 CONNMAN_TECHNOLOGY_INTERFACE, "Tethering",
 184                                                 DBUS_TYPE_BOOLEAN, &tethering);
 185 }
 186
 187 void connman_technology_tethering_notify(struct connman_technology *technology,
 188                                                         connman_bool_t enabled)
 189 {
 190         GSList *list;
 191
 192         DBG("technology %p enabled %u", technology, enabled);
 193
 194         if (technology->tethering == enabled)
 195                 return;
 196
 197         technology->tethering = enabled;
 198
 199         tethering_changed(technology);
 200
 201         if (enabled == TRUE)
 202                 __connman_tethering_set_enabled();
 203         else {
 204                 for (list = technology_list; list; list = list->next) {
 205                         struct connman_technology *other_tech = list->data;
 206                         if (other_tech->tethering == TRUE)
 207                                 break;
 208                 }
 209                 if (list == NULL)
 210                         __connman_tethering_set_disabled();
 211         }
 212 }
 213
 214 static int set_tethering(struct connman_technology *technology,
 215                                 connman_bool_t enabled)
 216 {
 217         const char *ident, *passphrase, *bridge;
 218
 219         ident = technology->tethering_ident;
 220         passphrase = technology->tethering_passphrase;
 221
 222         if (technology->driver == NULL ||
 223                         technology->driver->set_tethering == NULL)
 224                 return -EOPNOTSUPP;
 225
 226         __sync_synchronize();
 227         if (technology->enabled == FALSE)
 228                 return -EACCES;
 229
 230         bridge = __connman_tethering_get_bridge();
 231         if (bridge == NULL)
 232                 return -EOPNOTSUPP;
 233
 234         if (technology->type == CONNMAN_SERVICE_TYPE_WIFI &&
 235             (ident == NULL || passphrase == NULL))
 236                 return -EINVAL;
 237
 238         return technology->driver->set_tethering(technology, ident, passphrase,
 239                                                         bridge, enabled);
 240 }
 241
 242 void connman_technology_regdom_notify(struct connman_technology *technology,
 243                                                         const char *alpha2)
 244 {
 245         DBG("");
 246
 247         if (alpha2 == NULL)
 248                 connman_error("Failed to set regulatory domain");
 249         else
 250                 DBG("Regulatory domain set to %s", alpha2);
 251
 252         g_free(technology->regdom);
 253         technology->regdom = g_strdup(alpha2);
 254 }
 255
 256 static int set_regdom_by_device(struct connman_technology *technology,
 257                                                         const char *alpha2)
 258 {
 259         GSList *list;
 260
 261         for (list = technology->device_list; list; list = list->next) {
 262                 struct connman_device *device = list->data;
 263
 264                 if (connman_device_set_regdom(device, alpha2) != 0)
 265                         return -ENOTSUP;
 266         }
 267
 268         return 0;
 269 }
 270
 271 int connman_technology_set_regdom(const char *alpha2)
 272 {
 273         GSList *list;
 274
 275         for (list = technology_list; list; list = list->next) {
 276                 struct connman_technology *technology = list->data;
 277
 278                 if (set_regdom_by_device(technology, alpha2) != 0) {
 279                         if (technology->driver == NULL)
 280                                 continue;
 281
 282                         if (technology->driver->set_regdom != NULL)
 283                                 technology->driver->set_regdom(technology,
 284                                                                 alpha2);
 285                 }
 286         }
 287
 288         return 0;
 289 }
 290
 291 static void free_rfkill(gpointer data)
 292 {
 293         struct connman_rfkill *rfkill = data;
 294
 295         g_free(rfkill);
 296 }
 297
 298 static const char *get_name(enum connman_service_type type)
 299 {
 300         switch (type) {
 301         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 302         case CONNMAN_SERVICE_TYPE_SYSTEM:
 303         case CONNMAN_SERVICE_TYPE_GPS:
 304         case CONNMAN_SERVICE_TYPE_VPN:
 305         case CONNMAN_SERVICE_TYPE_GADGET:
 306                 break;
 307         case CONNMAN_SERVICE_TYPE_ETHERNET:
 308                 return "Wired";
 309         case CONNMAN_SERVICE_TYPE_WIFI:
 310                 return "WiFi";
 311         case CONNMAN_SERVICE_TYPE_WIMAX:
 312                 return "WiMAX";
 313         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 314                 return "Bluetooth";
 315         case CONNMAN_SERVICE_TYPE_CELLULAR:
 316                 return "Cellular";
 317         }
 318
 319         return NULL;
 320 }
 321
 322 static void technology_save(struct connman_technology *technology)
 323 {
 324         GKeyFile *keyfile;
 325         gchar *identifier;
 326
 327         DBG("technology %p", technology);
 328
 329         keyfile = __connman_storage_load_global();
 330         if (keyfile == NULL)
 331                 keyfile = g_key_file_new();
 332
 333         identifier = g_strdup_printf("%s", get_name(technology->type));
 334         if (identifier == NULL)
 335                 goto done;
 336
 337         g_key_file_set_boolean(keyfile, identifier, "Enable",
 338                                 technology->enable_persistent);
 339
 340         if (technology->tethering_ident != NULL)
 341                 g_key_file_set_string(keyfile, identifier,
 342                                         "Tethering.Identifier",
 343                                         technology->tethering_ident);
 344
 345         if (technology->tethering_passphrase != NULL)
 346                 g_key_file_set_string(keyfile, identifier,
 347                                         "Tethering.Passphrase",
 348                                         technology->tethering_passphrase);
 349
 350 done:
 351         g_free(identifier);
 352
 353         __connman_storage_save_global(keyfile);
 354
 355         g_key_file_free(keyfile);
 356
 357         return;
 358 }
 359
 360 static void technology_load(struct connman_technology *technology)
 361 {
 362         GKeyFile *keyfile;
 363         gchar *identifier;
 364         GError *error = NULL;
 365         connman_bool_t enable;
 366
 367         DBG("technology %p", technology);
 368
 369         keyfile = __connman_storage_load_global();
 370         /* Fallback on disabling technology if file not found. */
 371         if (keyfile == NULL) {
 372                 if (technology->type == CONNMAN_SERVICE_TYPE_ETHERNET)
 373                         /* We enable ethernet by default */
 374                         technology->enable_persistent = TRUE;
 375                 else
 376                         technology->enable_persistent = FALSE;
 377                 return;
 378         }
 379
 380         identifier = g_strdup_printf("%s", get_name(technology->type));
 381         if (identifier == NULL)
 382                 goto done;
 383
 384         enable = g_key_file_get_boolean(keyfile, identifier, "Enable", &error);
 385         if (error == NULL)
 386                 technology->enable_persistent = enable;
 387         else {
 388                 if (technology->type == CONNMAN_SERVICE_TYPE_ETHERNET)
 389                         technology->enable_persistent = TRUE;
 390                 else
 391                         technology->enable_persistent = FALSE;
 392
 393                 technology_save(technology);
 394                 g_clear_error(&error);
 395         }
 396
 397         technology->tethering_ident = g_key_file_get_string(keyfile,
 398                                 identifier, "Tethering.Identifier", NULL);
 399
 400         technology->tethering_passphrase = g_key_file_get_string(keyfile,
 401                                 identifier, "Tethering.Passphrase", NULL);
 402 done:
 403         g_free(identifier);
 404
 405         g_key_file_free(keyfile);
 406
 407         return;
 408 }
 409
 410 connman_bool_t __connman_technology_get_offlinemode(void)
 411 {
 412         return global_offlinemode;
 413 }
 414
 415 static void connman_technology_save_offlinemode()
 416 {
 417         GKeyFile *keyfile;
 418
 419         keyfile = __connman_storage_load_global();
 420         if (keyfile == NULL)
 421                 keyfile = g_key_file_new();
 422
 423         g_key_file_set_boolean(keyfile, "global",
 424                                         "OfflineMode", global_offlinemode);
 425
 426         __connman_storage_save_global(keyfile);
 427
 428         g_key_file_free(keyfile);
 429
 430         return;
 431 }
 432
 433 static connman_bool_t connman_technology_load_offlinemode()
 434 {
 435         GKeyFile *keyfile;
 436         GError *error = NULL;
 437         connman_bool_t offlinemode;
 438
 439         /* If there is a error, we enable offlinemode */
 440         keyfile = __connman_storage_load_global();
 441         if (keyfile == NULL)
 442                 return FALSE;
 443
 444         offlinemode = g_key_file_get_boolean(keyfile, "global",
 445                                                 "OfflineMode", &error);
 446         if (error != NULL) {
 447                 offlinemode = FALSE;
 448                 g_clear_error(&error);
 449         }
 450
 451         g_key_file_free(keyfile);
 452
 453         return offlinemode;
 454 }
 455
 456 static void append_properties(DBusMessageIter *iter,
 457                 struct connman_technology *technology)
 458 {
 459         DBusMessageIter dict;
 460         const char *str;
 461
 462         connman_dbus_dict_open(iter, &dict);
 463
 464         str = get_name(technology->type);
 465         if (str != NULL)
 466                 connman_dbus_dict_append_basic(&dict, "Name",
 467                                                 DBUS_TYPE_STRING, &str);
 468
 469         str = __connman_service_type2string(technology->type);
 470         if (str != NULL)
 471                 connman_dbus_dict_append_basic(&dict, "Type",
 472                                                 DBUS_TYPE_STRING, &str);
 473
 474         __sync_synchronize();
 475         connman_dbus_dict_append_basic(&dict, "Powered",
 476                                         DBUS_TYPE_BOOLEAN,
 477                                         &technology->enabled);
 478
 479         connman_dbus_dict_append_basic(&dict, "Connected",
 480                                         DBUS_TYPE_BOOLEAN,
 481                                         &technology->connected);
 482
 483         connman_dbus_dict_append_basic(&dict, "Tethering",
 484                                         DBUS_TYPE_BOOLEAN,
 485                                         &technology->tethering);
 486
 487         if (technology->tethering_ident != NULL)
 488                 connman_dbus_dict_append_basic(&dict, "TetheringIdentifier",
 489                                         DBUS_TYPE_STRING,
 490                                         &technology->tethering_ident);
 491
 492         if (technology->tethering_passphrase != NULL)
 493                 connman_dbus_dict_append_basic(&dict, "TetheringPassphrase",
 494                                         DBUS_TYPE_STRING,
 495                                         &technology->tethering_passphrase);
 496
 497         connman_dbus_dict_close(iter, &dict);
 498 }
 499
 500 static void technology_added_signal(struct connman_technology *technology)
 501 {
 502         DBusMessage *signal;
 503         DBusMessageIter iter;
 504
 505         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 506                         CONNMAN_MANAGER_INTERFACE, "TechnologyAdded");
 507         if (signal == NULL)
 508                 return;
 509
 510         dbus_message_iter_init_append(signal, &iter);
 511         dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH,
 512                                                         &technology->path);
 513         append_properties(&iter, technology);
 514
 515         dbus_connection_send(connection, signal, NULL);
 516         dbus_message_unref(signal);
 517 }
 518
 519 static void technology_removed_signal(struct connman_technology *technology)
 520 {
 521         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 522                         CONNMAN_MANAGER_INTERFACE, "TechnologyRemoved",
 523                         DBUS_TYPE_OBJECT_PATH, &technology->path,
 524                         DBUS_TYPE_INVALID);
 525 }
 526
 527 static DBusMessage *get_properties(DBusConnection *conn,
 528                                         DBusMessage *message, void *user_data)
 529 {
 530         struct connman_technology *technology = user_data;
 531         DBusMessage *reply;
 532         DBusMessageIter iter;
 533
 534         reply = dbus_message_new_method_return(message);
 535         if (reply == NULL)
 536                 return NULL;
 537
 538         dbus_message_iter_init_append(reply, &iter);
 539         append_properties(&iter, technology);
 540
 541         return reply;
 542 }
 543
 544 void __connman_technology_list_struct(DBusMessageIter *array)
 545 {
 546         GSList *list;
 547         DBusMessageIter entry;
 548
 549         for (list = technology_list; list; list = list->next) {
 550                 struct connman_technology *technology = list->data;
 551
 552                 if (technology->path == NULL ||
 553                                 (technology->rfkill_driven == TRUE &&
 554                                  technology->hardblocked == TRUE))
 555                         continue;
 556
 557                 dbus_message_iter_open_container(array, DBUS_TYPE_STRUCT,
 558                                 NULL, &entry);
 559                 dbus_message_iter_append_basic(&entry, DBUS_TYPE_OBJECT_PATH,
 560                                 &technology->path);
 561                 append_properties(&entry, technology);
 562                 dbus_message_iter_close_container(array, &entry);
 563         }
 564 }
 565
 566 static gboolean technology_pending_reply(gpointer user_data)
 567 {
 568         struct connman_technology *technology = user_data;
 569         DBusMessage *reply;
 570
 571         /* Power request timedout, send ETIMEDOUT. */
 572         if (technology->pending_reply != NULL) {
 573                 reply = __connman_error_failed(technology->pending_reply, ETIMEDOUT);
 574                 if (reply != NULL)
 575                         g_dbus_send_message(connection, reply);
 576
 577                 dbus_message_unref(technology->pending_reply);
 578                 technology->pending_reply = NULL;
 579                 technology->pending_timeout = 0;
 580         }
 581
 582         return FALSE;
 583 }
 584
 585 static int technology_affect_devices(struct connman_technology *technology,
 586                                                 connman_bool_t enable_device)
 587 {
 588         GSList *list;
 589         int err = 0;
 590
 591         for (list = technology->device_list; list; list = list->next) {
 592                 struct connman_device *device = list->data;
 593
 594                 if (enable_device == TRUE)
 595                         err = __connman_device_enable(device);
 596                 else
 597                         err = __connman_device_disable(device);
 598         }
 599
 600         return err;
 601 }
 602
 603 static int technology_enable(struct connman_technology *technology)
 604 {
 605         DBG("technology %p enable", technology);
 606
 607         __sync_synchronize();
 608         if (technology->enabled == TRUE)
 609                 return -EALREADY;
 610
 611         if (technology->pending_reply != NULL)
 612                 return -EBUSY;
 613
 614         if (technology->rfkill_driven == TRUE)
 615                 return __connman_rfkill_block(technology->type, FALSE);
 616
 617         return technology_affect_devices(technology, TRUE);
 618 }
 619
 620 static int technology_disable(struct connman_technology *technology)
 621 {
 622         DBG("technology %p disable", technology);
 623
 624         __sync_synchronize();
 625         if (technology->enabled == FALSE)
 626                 return -EALREADY;
 627
 628         if (technology->pending_reply != NULL)
 629                 return -EBUSY;
 630
 631         if (technology->tethering == TRUE)
 632                 set_tethering(technology, FALSE);
 633
 634         if (technology->rfkill_driven == TRUE)
 635                 return __connman_rfkill_block(technology->type, TRUE);
 636
 637         return technology_affect_devices(technology, FALSE);
 638 }
 639
 640 static DBusMessage *set_powered(struct connman_technology *technology,
 641                                 DBusMessage *msg, connman_bool_t powered)
 642 {
 643         DBusMessage *reply = NULL;
 644         int err = 0;
 645
 646         if (technology->rfkill_driven && technology->hardblocked == TRUE) {
 647                 err = -EACCES;
 648                 goto make_reply;
 649         }
 650
 651         if (powered == TRUE)
 652                 err = technology_enable(technology);
 653         else
 654                 err = technology_disable(technology);
 655
 656         if (err != -EBUSY) {
 657                 technology->enable_persistent = powered;
 658                 technology_save(technology);
 659         }
 660
 661 make_reply:
 662         if (err == -EINPROGRESS) {
 663                 technology->pending_reply = dbus_message_ref(msg);
 664                 technology->pending_timeout = g_timeout_add_seconds(10,
 665                                         technology_pending_reply, technology);
 666         } else if (err == -EALREADY) {
 667                 if (powered == TRUE)
 668                         reply = __connman_error_already_enabled(msg);
 669                 else
 670                         reply = __connman_error_already_disabled(msg);
 671         } else if (err < 0)
 672                 reply = __connman_error_failed(msg, -err);
 673         else
 674                 reply = g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 675
 676         return reply;
 677 }
 678
 679 static DBusMessage *set_property(DBusConnection *conn,
 680                                         DBusMessage *msg, void *data)
 681 {
 682         struct connman_technology *technology = data;
 683         DBusMessageIter iter, value;
 684         const char *name;
 685         int type;
 686
 687         DBG("conn %p", conn);
 688
 689         if (dbus_message_iter_init(msg, &iter) == FALSE)
 690                 return __connman_error_invalid_arguments(msg);
 691
 692         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
 693                 return __connman_error_invalid_arguments(msg);
 694
 695         dbus_message_iter_get_basic(&iter, &name);
 696         dbus_message_iter_next(&iter);
 697
 698         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
 699                 return __connman_error_invalid_arguments(msg);
 700
 701         dbus_message_iter_recurse(&iter, &value);
 702
 703         type = dbus_message_iter_get_arg_type(&value);
 704
 705         DBG("property %s", name);
 706
 707         if (g_str_equal(name, "Tethering") == TRUE) {
 708                 int err;
 709                 connman_bool_t tethering;
 710
 711                 if (type != DBUS_TYPE_BOOLEAN)
 712                         return __connman_error_invalid_arguments(msg);
 713
 714                 dbus_message_iter_get_basic(&value, &tethering);
 715
 716                 if (technology->tethering == tethering) {
 717                         if (tethering == FALSE)
 718                                 return __connman_error_already_disabled(msg);
 719                         else
 720                                 return __connman_error_already_enabled(msg);
 721                 }
 722
 723                 err = set_tethering(technology, tethering);
 724                 if (err < 0)
 725                         return __connman_error_failed(msg, -err);
 726
 727         } else if (g_str_equal(name, "TetheringIdentifier") == TRUE) {
 728                 const char *str;
 729
 730                 dbus_message_iter_get_basic(&value, &str);
 731
 732                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 733                         return __connman_error_not_supported(msg);
 734
 735                 if (strlen(str) < 1 || strlen(str) > 32)
 736                         return __connman_error_invalid_arguments(msg);
 737
 738                 if (g_strcmp0(technology->tethering_ident, str) != 0) {
 739                         g_free(technology->tethering_ident);
 740                         technology->tethering_ident = g_strdup(str);
 741                         technology_save(technology);
 742
 743                         connman_dbus_property_changed_basic(technology->path,
 744                                                 CONNMAN_TECHNOLOGY_INTERFACE,
 745                                                 "TetheringIdentifier",
 746                                                 DBUS_TYPE_STRING,
 747                                                 &technology->tethering_ident);
 748                 }
 749         } else if (g_str_equal(name, "TetheringPassphrase") == TRUE) {
 750                 const char *str;
 751
 752                 dbus_message_iter_get_basic(&value, &str);
 753
 754                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 755                         return __connman_error_not_supported(msg);
 756
 757                 if (strlen(str) < 8 || strlen(str) > 63)
 758                         return __connman_error_passphrase_required(msg);
 759
 760                 if (g_strcmp0(technology->tethering_passphrase, str) != 0) {
 761                         g_free(technology->tethering_passphrase);
 762                         technology->tethering_passphrase = g_strdup(str);
 763                         technology_save(technology);
 764
 765                         connman_dbus_property_changed_basic(technology->path,
 766                                         CONNMAN_TECHNOLOGY_INTERFACE,
 767                                         "TetheringPassphrase",
 768                                         DBUS_TYPE_STRING,
 769                                         &technology->tethering_passphrase);
 770                 }
 771         } else if (g_str_equal(name, "Powered") == TRUE) {
 772                 connman_bool_t enable;
 773
 774                 if (type != DBUS_TYPE_BOOLEAN)
 775                         return __connman_error_invalid_arguments(msg);
 776
 777                 dbus_message_iter_get_basic(&value, &enable);
 778
 779                 return set_powered(technology, msg, enable);
 780         } else
 781                 return __connman_error_invalid_property(msg);
 782
 783         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 784 }
 785
 786 static struct connman_technology *technology_find(enum connman_service_type type)
 787 {
 788         GSList *list;
 789
 790         DBG("type %d", type);
 791
 792         for (list = technology_list; list; list = list->next) {
 793                 struct connman_technology *technology = list->data;
 794
 795                 if (technology->type == type)
 796                         return technology;
 797         }
 798
 799         return NULL;
 800 }
 801
 802 static void reply_scan_pending(struct connman_technology *technology, int err)
 803 {
 804         DBusMessage *reply;
 805
 806         DBG("technology %p err %d", technology, err);
 807
 808         while (technology->scan_pending != NULL) {
 809                 DBusMessage *msg = technology->scan_pending->data;
 810
 811                 DBG("reply to %s", dbus_message_get_sender(msg));
 812
 813                 if (err == 0)
 814                         reply = g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 815                 else
 816                         reply = __connman_error_failed(msg, -err);
 817                 g_dbus_send_message(connection, reply);
 818                 dbus_message_unref(msg);
 819
 820                 technology->scan_pending =
 821                         g_slist_delete_link(technology->scan_pending,
 822                                         technology->scan_pending);
 823         }
 824 }
 825
 826 void __connman_technology_scan_started(struct connman_device *device)
 827 {
 828         DBG("device %p", device);
 829 }
 830
 831 void __connman_technology_scan_stopped(struct connman_device *device)
 832 {
 833         int count = 0;
 834         struct connman_technology *technology;
 835         enum connman_service_type type;
 836         GSList *list;
 837
 838         type = __connman_device_get_service_type(device);
 839         technology = technology_find(type);
 840
 841         DBG("technology %p device %p", technology, device);
 842
 843         if (technology == NULL)
 844                 return;
 845
 846         for (list = technology->device_list; list != NULL; list = list->next) {
 847                 struct connman_device *other_device = list->data;
 848
 849                 if (device == other_device)
 850                         continue;
 851
 852                 if (__connman_device_get_service_type(other_device) != type)
 853                         continue;
 854
 855                 if (connman_device_get_scanning(other_device) == TRUE)
 856                         count += 1;
 857         }
 858
 859         if (count == 0)
 860                 reply_scan_pending(technology, 0);
 861 }
 862
 863 void __connman_technology_notify_regdom_by_device(struct connman_device *device,
 864                                                 int result, const char *alpha2)
 865 {
 866         struct connman_technology *technology;
 867         enum connman_service_type type;
 868
 869         type = __connman_device_get_service_type(device);
 870         technology = technology_find(type);
 871
 872         if (technology == NULL)
 873                 return;
 874
 875         if (result < 0) {
 876                 if (technology->driver != NULL &&
 877                                 technology->driver->set_regdom != NULL) {
 878                         technology->driver->set_regdom(technology, alpha2);
 879                         return;
 880                 }
 881
 882                 alpha2 = NULL;
 883         }
 884
 885         connman_technology_regdom_notify(technology, alpha2);
 886 }
 887
 888 static DBusMessage *scan(DBusConnection *conn, DBusMessage *msg, void *data)
 889 {
 890         struct connman_technology *technology = data;
 891         int err;
 892
 893         DBG ("technology %p request from %s", technology,
 894                         dbus_message_get_sender(msg));
 895
 896         dbus_message_ref(msg);
 897         technology->scan_pending =
 898                 g_slist_prepend(technology->scan_pending, msg);
 899
 900         err = __connman_device_request_scan(technology->type);
 901         if (err < 0)
 902                 reply_scan_pending(technology, err);
 903
 904         return NULL;
 905 }
 906
 907 static const GDBusMethodTable technology_methods[] = {
 908         { GDBUS_DEPRECATED_METHOD("GetProperties",
 909                         NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
 910                         get_properties) },
 911         { GDBUS_ASYNC_METHOD("SetProperty",
 912                         GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
 913                         NULL, set_property) },
 914         { GDBUS_ASYNC_METHOD("Scan", NULL, NULL, scan) },
 915         { },
 916 };
 917
 918 static const GDBusSignalTable technology_signals[] = {
 919         { GDBUS_SIGNAL("PropertyChanged",
 920                         GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
 921         { },
 922 };
 923
 924 static gboolean technology_dbus_register(struct connman_technology *technology)
 925 {
 926         if (technology->dbus_registered == TRUE ||
 927                                 (technology->rfkill_driven == TRUE &&
 928                                  technology->hardblocked == TRUE))
 929                 return TRUE;
 930
 931         if (g_dbus_register_interface(connection, technology->path,
 932                                 CONNMAN_TECHNOLOGY_INTERFACE,
 933                                 technology_methods, technology_signals,
 934                                 NULL, technology, NULL) == FALSE) {
 935                 connman_error("Failed to register %s", technology->path);
 936                 return FALSE;
 937         }
 938
 939         technology_added_signal(technology);
 940         technology->dbus_registered = TRUE;
 941
 942         return TRUE;
 943 }
 944
 945 static struct connman_technology *technology_get(enum connman_service_type type)
 946 {
 947         struct connman_technology *technology;
 948         struct connman_technology_driver *driver = NULL;
 949         const char *str;
 950         GSList *list;
 951         int err;
 952
 953         DBG("type %d", type);
 954
 955         str = __connman_service_type2string(type);
 956         if (str == NULL)
 957                 return NULL;
 958
 959         technology = technology_find(type);
 960         if (technology != NULL) {
 961                 __sync_fetch_and_add(&technology->refcount, 1);
 962                 return technology;
 963         }
 964
 965         /* First check if we have a driver for this technology type */
 966         for (list = driver_list; list; list = list->next) {
 967                 driver = list->data;
 968
 969                 if (driver->type == type)
 970                         break;
 971                 else
 972                         driver = NULL;
 973         }
 974
 975         if (driver == NULL) {
 976                 DBG("No matching driver found for %s.",
 977                                 __connman_service_type2string(type));
 978                 return NULL;
 979         }
 980
 981         technology = g_try_new0(struct connman_technology, 1);
 982         if (technology == NULL)
 983                 return NULL;
 984
 985         technology->refcount = 1;
 986
 987         technology->rfkill_driven = FALSE;
 988         technology->softblocked = FALSE;
 989         technology->hardblocked = FALSE;
 990
 991         technology->type = type;
 992         technology->path = g_strdup_printf("%s/technology/%s",
 993                                                         CONNMAN_PATH, str);
 994
 995         technology->device_list = NULL;
 996
 997         technology->pending_reply = NULL;
 998
 999         technology_load(technology);
1000
1001         if (technology_dbus_register(technology) == FALSE) {
1002                 g_free(technology);
1003                 return NULL;
1004         }
1005
1006         technology_list = g_slist_prepend(technology_list, technology);
1007
1008         technology->driver = driver;
1009         err = driver->probe(technology);
1010         if (err != 0)
1011                 DBG("Driver probe failed for technology %p", technology);
1012
1013         DBG("technology %p", technology);
1014
1015         return technology;
1016 }
1017
1018 static void technology_dbus_unregister(struct connman_technology *technology)
1019 {
1020         if (technology->dbus_registered == FALSE)
1021                 return;
1022
1023         technology_removed_signal(technology);
1024         g_dbus_unregister_interface(connection, technology->path,
1025                 CONNMAN_TECHNOLOGY_INTERFACE);
1026
1027         technology->dbus_registered = FALSE;
1028 }
1029
1030 static void technology_put(struct connman_technology *technology)
1031 {
1032         DBG("technology %p", technology);
1033
1034         if (__sync_sub_and_fetch(&technology->refcount, 1) > 0)
1035                 return;
1036
1037         reply_scan_pending(technology, -EINTR);
1038
1039         if (technology->driver) {
1040                 technology->driver->remove(technology);
1041                 technology->driver = NULL;
1042         }
1043
1044         technology_list = g_slist_remove(technology_list, technology);
1045
1046         technology_dbus_unregister(technology);
1047
1048         g_slist_free(technology->device_list);
1049
1050         g_free(technology->path);
1051         g_free(technology->regdom);
1052         g_free(technology->tethering_ident);
1053         g_free(technology->tethering_passphrase);
1054         g_free(technology);
1055 }
1056
1057 void __connman_technology_add_interface(enum connman_service_type type,
1058                                 int index, const char *name, const char *ident)
1059 {
1060         struct connman_technology *technology;
1061
1062         switch (type) {
1063         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1064         case CONNMAN_SERVICE_TYPE_SYSTEM:
1065                 return;
1066         case CONNMAN_SERVICE_TYPE_ETHERNET:
1067         case CONNMAN_SERVICE_TYPE_WIFI:
1068         case CONNMAN_SERVICE_TYPE_WIMAX:
1069         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1070         case CONNMAN_SERVICE_TYPE_CELLULAR:
1071         case CONNMAN_SERVICE_TYPE_GPS:
1072         case CONNMAN_SERVICE_TYPE_VPN:
1073         case CONNMAN_SERVICE_TYPE_GADGET:
1074                 break;
1075         }
1076
1077         connman_info("Adding interface %s [ %s ]", name,
1078                                 __connman_service_type2string(type));
1079
1080         technology = technology_find(type);
1081
1082         if (technology == NULL || technology->driver == NULL
1083                         || technology->driver->add_interface == NULL)
1084                 return;
1085
1086         technology->driver->add_interface(technology,
1087                                         index, name, ident);
1088 }
1089
1090 void __connman_technology_remove_interface(enum connman_service_type type,
1091                                 int index, const char *name, const char *ident)
1092 {
1093         struct connman_technology *technology;
1094
1095         switch (type) {
1096         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1097         case CONNMAN_SERVICE_TYPE_SYSTEM:
1098                 return;
1099         case CONNMAN_SERVICE_TYPE_ETHERNET:
1100         case CONNMAN_SERVICE_TYPE_WIFI:
1101         case CONNMAN_SERVICE_TYPE_WIMAX:
1102         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1103         case CONNMAN_SERVICE_TYPE_CELLULAR:
1104         case CONNMAN_SERVICE_TYPE_GPS:
1105         case CONNMAN_SERVICE_TYPE_VPN:
1106         case CONNMAN_SERVICE_TYPE_GADGET:
1107                 break;
1108         }
1109
1110         connman_info("Remove interface %s [ %s ]", name,
1111                                 __connman_service_type2string(type));
1112
1113         technology = technology_find(type);
1114
1115         if (technology == NULL || technology->driver == NULL)
1116                 return;
1117
1118         if (technology->driver->remove_interface)
1119                 technology->driver->remove_interface(technology, index);
1120 }
1121
1122 int __connman_technology_add_device(struct connman_device *device)
1123 {
1124         struct connman_technology *technology;
1125         enum connman_service_type type;
1126
1127         DBG("device %p", device);
1128
1129         type = __connman_device_get_service_type(device);
1130
1131         technology = technology_get(type);
1132         if (technology == NULL) {
1133                 /*
1134                  * Since no driver can be found for this device at the moment we
1135                  * add it to the techless device list.
1136                 */
1137                 techless_device_list = g_slist_prepend(techless_device_list,
1138                                                                 device);
1139
1140                 return -ENXIO;
1141         }
1142
1143         __sync_synchronize();
1144         if (technology->rfkill_driven == TRUE) {
1145                 if (technology->enabled == TRUE)
1146                         __connman_device_enable(device);
1147                 else
1148                         __connman_device_disable(device);
1149
1150                 goto done;
1151         }
1152
1153         if (technology->enable_persistent == TRUE &&
1154                                         global_offlinemode == FALSE) {
1155                 int err = __connman_device_enable(device);
1156                 /*
1157                  * connman_technology_add_device() calls __connman_device_enable()
1158                  * but since the device is already enabled, the calls does not
1159                  * propagate through to connman_technology_enabled via
1160                  * connman_device_set_powered.
1161                  */
1162                 if (err == -EALREADY)
1163                         __connman_technology_enabled(type);
1164         }
1165         /* if technology persistent state is offline */
1166         if (technology->enable_persistent == FALSE)
1167                 __connman_device_disable(device);
1168
1169 done:
1170         technology->device_list = g_slist_prepend(technology->device_list,
1171                                                                 device);
1172
1173         return 0;
1174 }
1175
1176 int __connman_technology_remove_device(struct connman_device *device)
1177 {
1178         struct connman_technology *technology;
1179         enum connman_service_type type;
1180
1181         DBG("device %p", device);
1182
1183         type = __connman_device_get_service_type(device);
1184
1185         technology = technology_find(type);
1186         if (technology == NULL) {
1187                 techless_device_list = g_slist_remove(techless_device_list,
1188                                                                 device);
1189                 return -ENXIO;
1190         }
1191
1192         technology->device_list = g_slist_remove(technology->device_list,
1193                                                                 device);
1194         technology_put(technology);
1195
1196         return 0;
1197 }
1198
1199 static void powered_changed(struct connman_technology *technology)
1200 {
1201         if (technology->dbus_registered == FALSE)
1202                 return;
1203
1204         if (technology->pending_reply != NULL) {
1205                 g_dbus_send_reply(connection,
1206                                 technology->pending_reply, DBUS_TYPE_INVALID);
1207                 dbus_message_unref(technology->pending_reply);
1208                 technology->pending_reply = NULL;
1209
1210                 g_source_remove(technology->pending_timeout);
1211                 technology->pending_timeout = 0;
1212         }
1213
1214         __sync_synchronize();
1215         connman_dbus_property_changed_basic(technology->path,
1216                         CONNMAN_TECHNOLOGY_INTERFACE, "Powered",
1217                         DBUS_TYPE_BOOLEAN, &technology->enabled);
1218 }
1219
1220 static int technology_enabled(struct connman_technology *technology)
1221 {
1222         __sync_synchronize();
1223         if (technology->enabled == TRUE)
1224                 return -EALREADY;
1225
1226         technology->enabled = TRUE;
1227
1228         powered_changed(technology);
1229
1230         return 0;
1231 }
1232
1233 int __connman_technology_enabled(enum connman_service_type type)
1234 {
1235         struct connman_technology *technology;
1236
1237         technology = technology_find(type);
1238         if (technology == NULL)
1239                 return -ENXIO;
1240
1241         if (technology->rfkill_driven == TRUE)
1242                 return 0;
1243
1244         return technology_enabled(technology);
1245 }
1246
1247 static int technology_disabled(struct connman_technology *technology)
1248 {
1249         __sync_synchronize();
1250         if (technology->enabled == FALSE)
1251                 return -EALREADY;
1252
1253         technology->enabled = FALSE;
1254
1255         powered_changed(technology);
1256
1257         return 0;
1258 }
1259
1260 int __connman_technology_disabled(enum connman_service_type type)
1261 {
1262         struct connman_technology *technology;
1263         GSList *list;
1264
1265         technology = technology_find(type);
1266         if (technology == NULL)
1267                 return -ENXIO;
1268
1269         if (technology->rfkill_driven == TRUE)
1270                 return 0;
1271
1272         for (list = technology->device_list; list != NULL; list = list->next) {
1273                 struct connman_device *device = list->data;
1274
1275                 if (connman_device_get_powered(device) == TRUE)
1276                         return 0;
1277         }
1278
1279         return technology_disabled(technology);
1280 }
1281
1282 int __connman_technology_set_offlinemode(connman_bool_t offlinemode)
1283 {
1284         GSList *list;
1285         int err = -EINVAL;
1286
1287         if (global_offlinemode == offlinemode)
1288                 return 0;
1289
1290         DBG("offlinemode %s", offlinemode ? "On" : "Off");
1291
1292         /*
1293          * This is a bit tricky. When you set offlinemode, there is no
1294          * way to differentiate between attempting offline mode and
1295          * resuming offlinemode from last saved profile. We need that
1296          * information in rfkill_update, otherwise it falls back on the
1297          * technology's persistent state. Hence we set the offline mode here
1298          * but save it & call the notifier only if its successful.
1299          */
1300
1301         global_offlinemode = offlinemode;
1302
1303         /* Traverse technology list, enable/disable each technology. */
1304         for (list = technology_list; list; list = list->next) {
1305                 struct connman_technology *technology = list->data;
1306
1307                 if (offlinemode)
1308                         err = technology_disable(technology);
1309
1310                 if (!offlinemode && technology->enable_persistent)
1311                         err = technology_enable(technology);
1312         }
1313
1314         if (err == 0 || err == -EINPROGRESS || err == -EALREADY) {
1315                 connman_technology_save_offlinemode();
1316                 __connman_notifier_offlinemode(offlinemode);
1317         } else
1318                 global_offlinemode = connman_technology_load_offlinemode();
1319
1320         return err;
1321 }
1322
1323 void __connman_technology_set_connected(enum connman_service_type type,
1324                 connman_bool_t connected)
1325 {
1326         struct connman_technology *technology;
1327
1328         technology = technology_find(type);
1329         if (technology == NULL)
1330                 return;
1331
1332         DBG("technology %p connected %d", technology, connected);
1333
1334         technology->connected = connected;
1335
1336         connman_dbus_property_changed_basic(technology->path,
1337                         CONNMAN_TECHNOLOGY_INTERFACE, "Connected",
1338                         DBUS_TYPE_BOOLEAN, &connected);
1339 }
1340
1341 static connman_bool_t technology_apply_rfkill_change(struct connman_technology *technology,
1342                                                 connman_bool_t softblock,
1343                                                 connman_bool_t hardblock,
1344                                                 connman_bool_t new_rfkill)
1345 {
1346         gboolean hardblock_changed = FALSE;
1347         gboolean apply = TRUE;
1348         GList *start, *list;
1349
1350         DBG("technology %p --> %d/%d vs %d/%d",
1351                         technology, softblock, hardblock,
1352                         technology->softblocked, technology->hardblocked);
1353
1354         if (technology->hardblocked == hardblock)
1355                 goto softblock_change;
1356
1357         if (!(new_rfkill == TRUE && hardblock == FALSE)) {
1358                 start = g_hash_table_get_values(rfkill_list);
1359
1360                 for (list = start; list != NULL; list = list->next) {
1361                         struct connman_rfkill *rfkill = list->data;
1362
1363                         if (rfkill->type != technology->type)
1364                                 continue;
1365
1366                         if (rfkill->hardblock != hardblock)
1367                                 apply = FALSE;
1368                 }
1369
1370                 g_list_free(start);
1371         }
1372
1373         if (apply == FALSE)
1374                 goto softblock_change;
1375
1376         technology->hardblocked = hardblock;
1377         hardblock_changed = TRUE;
1378
1379 softblock_change:
1380         if (apply == FALSE && technology->softblocked != softblock)
1381                 apply = TRUE;
1382
1383         if (apply == FALSE)
1384                 return technology->hardblocked;
1385
1386         technology->softblocked = softblock;
1387
1388         if (technology->hardblocked == TRUE ||
1389                                         technology->softblocked == TRUE) {
1390                 if (technology_disabled(technology) != -EALREADY)
1391                         technology_affect_devices(technology, FALSE);
1392         } else if (technology->hardblocked == FALSE &&
1393                                         technology->softblocked == FALSE) {
1394                 if (technology_enabled(technology) != -EALREADY)
1395                         technology_affect_devices(technology, TRUE);
1396         }
1397
1398         if (hardblock_changed == TRUE) {
1399                 if (technology->hardblocked == TRUE) {
1400                         DBG("%s is switched off.", get_name(technology->type));
1401                         technology_dbus_unregister(technology);
1402                 } else
1403                         technology_dbus_register(technology);
1404         }
1405
1406         return technology->hardblocked;
1407 }
1408
1409 int __connman_technology_add_rfkill(unsigned int index,
1410                                         enum connman_service_type type,
1411                                                 connman_bool_t softblock,
1412                                                 connman_bool_t hardblock)
1413 {
1414         struct connman_technology *technology;
1415         struct connman_rfkill *rfkill;
1416
1417         DBG("index %u type %d soft %u hard %u", index, type,
1418                                                         softblock, hardblock);
1419
1420         rfkill = g_hash_table_lookup(rfkill_list, GINT_TO_POINTER(index));
1421         if (rfkill != NULL)
1422                 goto done;
1423
1424         rfkill = g_try_new0(struct connman_rfkill, 1);
1425         if (rfkill == NULL)
1426                 return -ENOMEM;
1427
1428         rfkill->index = index;
1429         rfkill->type = type;
1430         rfkill->softblock = softblock;
1431         rfkill->hardblock = hardblock;
1432
1433         g_hash_table_insert(rfkill_list, GINT_TO_POINTER(index), rfkill);
1434
1435 done:
1436         technology = technology_get(type);
1437         /* If there is no driver for this type, ignore it. */
1438         if (technology == NULL)
1439                 return -ENXIO;
1440
1441         technology->rfkill_driven = TRUE;
1442
1443         /* If hardblocked, there is no need to handle softblocked state */
1444         if (technology_apply_rfkill_change(technology,
1445                                 softblock, hardblock, TRUE) == TRUE)
1446                 return 0;
1447
1448         /*
1449          * Depending on softblocked state we unblock/block according to
1450          * offlinemode and persistente state.
1451          */
1452         if (technology->softblocked == TRUE &&
1453                                 global_offlinemode == FALSE &&
1454                                 technology->enable_persistent == TRUE)
1455                 return __connman_rfkill_block(type, FALSE);
1456         else if (technology->softblocked == FALSE &&
1457                         (global_offlinemode == TRUE ||
1458                                 technology->enable_persistent == FALSE))
1459                 return __connman_rfkill_block(type, TRUE);
1460
1461         return 0;
1462 }
1463
1464 int __connman_technology_update_rfkill(unsigned int index,
1465                                         enum connman_service_type type,
1466                                                 connman_bool_t softblock,
1467                                                 connman_bool_t hardblock)
1468 {
1469         struct connman_technology *technology;
1470         struct connman_rfkill *rfkill;
1471
1472         DBG("index %u soft %u hard %u", index, softblock, hardblock);
1473
1474         rfkill = g_hash_table_lookup(rfkill_list, GINT_TO_POINTER(index));
1475         if (rfkill == NULL)
1476                 return -ENXIO;
1477
1478         if (rfkill->softblock == softblock &&
1479                                 rfkill->hardblock == hardblock)
1480                 return 0;
1481
1482         rfkill->softblock = softblock;
1483         rfkill->hardblock = hardblock;
1484
1485         technology = technology_find(type);
1486         /* If there is no driver for this type, ignore it. */
1487         if (technology == NULL)
1488                 return -ENXIO;
1489
1490         /* If hardblocked, there is no need to handle softblocked state */
1491         if (technology_apply_rfkill_change(technology,
1492                                 softblock, hardblock, FALSE) == TRUE)
1493                 return 0;
1494
1495         if (global_offlinemode == TRUE)
1496                 return 0;
1497
1498         /*
1499          * Depending on softblocked state we unblock/block according to
1500          * persistent state.
1501          */
1502         if (technology->softblocked == TRUE &&
1503                                 technology->enable_persistent == TRUE)
1504                 return __connman_rfkill_block(type, FALSE);
1505         else if (technology->softblocked == FALSE &&
1506                                 technology->enable_persistent == FALSE)
1507                 return __connman_rfkill_block(type, TRUE);
1508
1509         return 0;
1510 }
1511
1512 int __connman_technology_remove_rfkill(unsigned int index,
1513                                         enum connman_service_type type)
1514 {
1515         struct connman_technology *technology;
1516         struct connman_rfkill *rfkill;
1517
1518         DBG("index %u", index);
1519
1520         rfkill = g_hash_table_lookup(rfkill_list, GINT_TO_POINTER(index));
1521         if (rfkill == NULL)
1522                 return -ENXIO;
1523
1524         g_hash_table_remove(rfkill_list, GINT_TO_POINTER(index));
1525
1526         technology = technology_find(type);
1527         if (technology == NULL)
1528                 return -ENXIO;
1529
1530         technology_apply_rfkill_change(technology,
1531                 technology->softblocked, !technology->hardblocked, FALSE);
1532
1533         technology_put(technology);
1534
1535         return 0;
1536 }
1537
1538 int __connman_technology_init(void)
1539 {
1540         DBG("");
1541
1542         connection = connman_dbus_get_connection();
1543
1544         rfkill_list = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1545                                                         NULL, free_rfkill);
1546
1547         global_offlinemode = connman_technology_load_offlinemode();
1548
1549         /* This will create settings file if it is missing */
1550         connman_technology_save_offlinemode();
1551
1552         return 0;
1553 }
1554
1555 void __connman_technology_cleanup(void)
1556 {
1557         DBG("");
1558
1559         g_hash_table_destroy(rfkill_list);
1560
1561         dbus_connection_unref(connection);
1562 }