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