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