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         GSList *driver_list;
  69
  70         DBusMessage *pending_reply;
  71         guint pending_timeout;
  72
  73         GSList *scan_pending;
  74
  75         connman_bool_t rfkill_driven;
  76         connman_bool_t softblocked;
  77         connman_bool_t hardblocked;
  78         connman_bool_t dbus_registered;
  79 };
  80
  81 static GSList *driver_list = NULL;
  82
  83 static gint compare_priority(gconstpointer a, gconstpointer b)
  84 {
  85         const struct connman_technology_driver *driver1 = a;
  86         const struct connman_technology_driver *driver2 = b;
  87
  88         return driver2->priority - driver1->priority;
  89 }
  90
  91 static void rfkill_check(gpointer key, gpointer value, gpointer user_data)
  92 {
  93         struct connman_rfkill *rfkill = value;
  94         enum connman_service_type type = GPOINTER_TO_INT(user_data);
  95
  96         /* Calling _technology_rfkill_add will update the tech. */
  97         if (rfkill->type == type)
  98                 __connman_technology_add_rfkill(rfkill->index, type,
  99                                 rfkill->softblock, rfkill->hardblock);
 100 }
 101
 102 /**
 103  * connman_technology_driver_register:
 104  * @driver: Technology driver definition
 105  *
 106  * Register a new technology driver
 107  *
 108  * Returns: %0 on success
 109  */
 110 int connman_technology_driver_register(struct connman_technology_driver *driver)
 111 {
 112         GSList *list;
 113         struct connman_device *device;
 114         enum connman_service_type type;
 115
 116         DBG("Registering %s driver", driver->name);
 117
 118         driver_list = g_slist_insert_sorted(driver_list, driver,
 119                                                         compare_priority);
 120
 121         /*
 122          * Check for technology less devices if this driver
 123          * can service any of them.
 124         */
 125         for (list = techless_device_list; list != NULL; list = list->next) {
 126                 device = list->data;
 127
 128                 type = __connman_device_get_service_type(device);
 129                 if (type != driver->type)
 130                         continue;
 131
 132                 techless_device_list = g_slist_remove(techless_device_list,
 133                                                                 device);
 134
 135                 __connman_technology_add_device(device);
 136         }
 137
 138         /* Check for orphaned rfkill switches. */
 139         g_hash_table_foreach(rfkill_list, rfkill_check,
 140                                         GINT_TO_POINTER(driver->type));
 141
 142         return 0;
 143 }
 144
 145 /**
 146  * connman_technology_driver_unregister:
 147  * @driver: Technology driver definition
 148  *
 149  * Remove a previously registered technology driver
 150  */
 151 void connman_technology_driver_unregister(struct connman_technology_driver *driver)
 152 {
 153         GSList *list, *tech_drivers;
 154         struct connman_technology *technology;
 155         struct connman_technology_driver *current;
 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                 for (tech_drivers = technology->driver_list;
 163                      tech_drivers != NULL;
 164                      tech_drivers = g_slist_next(tech_drivers)) {
 165
 166                         current = tech_drivers->data;
 167                         if (driver != current)
 168                                 continue;
 169
 170                         if (driver->remove != NULL)
 171                                 driver->remove(technology);
 172
 173                         technology->driver_list =
 174                                 g_slist_remove(technology->driver_list, driver);
 175
 176                         break;
 177                 }
 178         }
 179
 180         driver_list = g_slist_remove(driver_list, driver);
 181 }
 182
 183 static void tethering_changed(struct connman_technology *technology)
 184 {
 185         connman_bool_t tethering = technology->tethering;
 186
 187         connman_dbus_property_changed_basic(technology->path,
 188                                 CONNMAN_TECHNOLOGY_INTERFACE, "Tethering",
 189                                                 DBUS_TYPE_BOOLEAN, &tethering);
 190 }
 191
 192 void connman_technology_tethering_notify(struct connman_technology *technology,
 193                                                         connman_bool_t enabled)
 194 {
 195         GSList *list;
 196
 197         DBG("technology %p enabled %u", technology, enabled);
 198
 199         if (technology->tethering == enabled)
 200                 return;
 201
 202         technology->tethering = enabled;
 203
 204         tethering_changed(technology);
 205
 206         if (enabled == TRUE)
 207                 __connman_tethering_set_enabled();
 208         else {
 209                 for (list = technology_list; list; list = list->next) {
 210                         struct connman_technology *other_tech = list->data;
 211                         if (other_tech->tethering == TRUE)
 212                                 break;
 213                 }
 214                 if (list == NULL)
 215                         __connman_tethering_set_disabled();
 216         }
 217 }
 218
 219 static int set_tethering(struct connman_technology *technology,
 220                                 connman_bool_t enabled)
 221 {
 222         int result = -EOPNOTSUPP;
 223         int err;
 224         const char *ident, *passphrase, *bridge;
 225         GSList *tech_drivers;
 226
 227         ident = technology->tethering_ident;
 228         passphrase = technology->tethering_passphrase;
 229
 230         __sync_synchronize();
 231         if (technology->enabled == FALSE)
 232                 return -EACCES;
 233
 234         bridge = __connman_tethering_get_bridge();
 235         if (bridge == NULL)
 236                 return -EOPNOTSUPP;
 237
 238         if (technology->type == CONNMAN_SERVICE_TYPE_WIFI &&
 239             (ident == NULL || passphrase == NULL))
 240                 return -EINVAL;
 241
 242         for (tech_drivers = technology->driver_list; tech_drivers != NULL;
 243              tech_drivers = g_slist_next(tech_drivers)) {
 244                 struct connman_technology_driver *driver = tech_drivers->data;
 245
 246                 if (driver == NULL || driver->set_tethering == NULL)
 247                         continue;
 248
 249                 err = driver->set_tethering(technology, ident, passphrase,
 250                                 bridge, enabled);
 251
 252                 if (result == -EINPROGRESS)
 253                         continue;
 254
 255                 if (err == -EINPROGRESS || err == 0) {
 256                         result = err;
 257                         continue;
 258                 }
 259         }
 260
 261         return result;
 262 }
 263
 264 void connman_technology_regdom_notify(struct connman_technology *technology,
 265                                                         const char *alpha2)
 266 {
 267         DBG("");
 268
 269         if (alpha2 == NULL)
 270                 connman_error("Failed to set regulatory domain");
 271         else
 272                 DBG("Regulatory domain set to %s", alpha2);
 273
 274         g_free(technology->regdom);
 275         technology->regdom = g_strdup(alpha2);
 276 }
 277
 278 static int set_regdom_by_device(struct connman_technology *technology,
 279                                                         const char *alpha2)
 280 {
 281         GSList *list;
 282
 283         for (list = technology->device_list; list; list = list->next) {
 284                 struct connman_device *device = list->data;
 285
 286                 if (connman_device_set_regdom(device, alpha2) != 0)
 287                         return -ENOTSUP;
 288         }
 289
 290         return 0;
 291 }
 292
 293 int connman_technology_set_regdom(const char *alpha2)
 294 {
 295         GSList *list, *tech_drivers;
 296
 297         for (list = technology_list; list; list = list->next) {
 298                 struct connman_technology *technology = list->data;
 299
 300                 if (set_regdom_by_device(technology, alpha2) != 0) {
 301
 302                         for (tech_drivers = technology->driver_list;
 303                              tech_drivers != NULL;
 304                              tech_drivers = g_slist_next(tech_drivers)) {
 305
 306                                 struct connman_technology_driver *driver =
 307                                         tech_drivers->data;
 308
 309                                 if (driver->set_regdom != NULL)
 310                                         driver->set_regdom(technology, alpha2);
 311                         }
 312                 }
 313         }
 314
 315         return 0;
 316 }
 317
 318 static void free_rfkill(gpointer data)
 319 {
 320         struct connman_rfkill *rfkill = data;
 321
 322         g_free(rfkill);
 323 }
 324
 325 static const char *get_name(enum connman_service_type type)
 326 {
 327         switch (type) {
 328         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 329         case CONNMAN_SERVICE_TYPE_SYSTEM:
 330         case CONNMAN_SERVICE_TYPE_GPS:
 331         case CONNMAN_SERVICE_TYPE_VPN:
 332         case CONNMAN_SERVICE_TYPE_GADGET:
 333                 break;
 334         case CONNMAN_SERVICE_TYPE_ETHERNET:
 335                 return "Wired";
 336         case CONNMAN_SERVICE_TYPE_WIFI:
 337                 return "WiFi";
 338         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 339                 return "Bluetooth";
 340         case CONNMAN_SERVICE_TYPE_CELLULAR:
 341                 return "Cellular";
 342         }
 343
 344         return NULL;
 345 }
 346
 347 static void technology_save(struct connman_technology *technology)
 348 {
 349         GKeyFile *keyfile;
 350         gchar *identifier;
 351
 352         DBG("technology %p", technology);
 353
 354         keyfile = __connman_storage_load_global();
 355         if (keyfile == NULL)
 356                 keyfile = g_key_file_new();
 357
 358         identifier = g_strdup_printf("%s", get_name(technology->type));
 359         if (identifier == NULL)
 360                 goto done;
 361
 362         g_key_file_set_boolean(keyfile, identifier, "Enable",
 363                                 technology->enable_persistent);
 364
 365         if (technology->tethering_ident != NULL)
 366                 g_key_file_set_string(keyfile, identifier,
 367                                         "Tethering.Identifier",
 368                                         technology->tethering_ident);
 369
 370         if (technology->tethering_passphrase != NULL)
 371                 g_key_file_set_string(keyfile, identifier,
 372                                         "Tethering.Passphrase",
 373                                         technology->tethering_passphrase);
 374
 375 done:
 376         g_free(identifier);
 377
 378         __connman_storage_save_global(keyfile);
 379
 380         g_key_file_free(keyfile);
 381
 382         return;
 383 }
 384
 385 static void technology_load(struct connman_technology *technology)
 386 {
 387         GKeyFile *keyfile;
 388         gchar *identifier;
 389         GError *error = NULL;
 390         connman_bool_t enable;
 391
 392         DBG("technology %p", technology);
 393
 394         keyfile = __connman_storage_load_global();
 395         /* Fallback on disabling technology if file not found. */
 396         if (keyfile == NULL) {
 397                 if (technology->type == CONNMAN_SERVICE_TYPE_ETHERNET)
 398                         /* We enable ethernet by default */
 399                         technology->enable_persistent = TRUE;
 400                 else
 401                         technology->enable_persistent = FALSE;
 402                 return;
 403         }
 404
 405         identifier = g_strdup_printf("%s", get_name(technology->type));
 406         if (identifier == NULL)
 407                 goto done;
 408
 409         enable = g_key_file_get_boolean(keyfile, identifier, "Enable", &error);
 410         if (error == NULL)
 411                 technology->enable_persistent = enable;
 412         else {
 413                 if (technology->type == CONNMAN_SERVICE_TYPE_ETHERNET)
 414                         technology->enable_persistent = TRUE;
 415                 else
 416                         technology->enable_persistent = FALSE;
 417
 418                 technology_save(technology);
 419                 g_clear_error(&error);
 420         }
 421
 422         technology->tethering_ident = g_key_file_get_string(keyfile,
 423                                 identifier, "Tethering.Identifier", NULL);
 424
 425         technology->tethering_passphrase = g_key_file_get_string(keyfile,
 426                                 identifier, "Tethering.Passphrase", NULL);
 427 done:
 428         g_free(identifier);
 429
 430         g_key_file_free(keyfile);
 431
 432         return;
 433 }
 434
 435 connman_bool_t __connman_technology_get_offlinemode(void)
 436 {
 437         return global_offlinemode;
 438 }
 439
 440 static void connman_technology_save_offlinemode()
 441 {
 442         GKeyFile *keyfile;
 443
 444         keyfile = __connman_storage_load_global();
 445         if (keyfile == NULL)
 446                 keyfile = g_key_file_new();
 447
 448         g_key_file_set_boolean(keyfile, "global",
 449                                         "OfflineMode", global_offlinemode);
 450
 451         __connman_storage_save_global(keyfile);
 452
 453         g_key_file_free(keyfile);
 454
 455         return;
 456 }
 457
 458 static connman_bool_t connman_technology_load_offlinemode()
 459 {
 460         GKeyFile *keyfile;
 461         GError *error = NULL;
 462         connman_bool_t offlinemode;
 463
 464         /* If there is a error, we enable offlinemode */
 465         keyfile = __connman_storage_load_global();
 466         if (keyfile == NULL)
 467                 return FALSE;
 468
 469         offlinemode = g_key_file_get_boolean(keyfile, "global",
 470                                                 "OfflineMode", &error);
 471         if (error != NULL) {
 472                 offlinemode = FALSE;
 473                 g_clear_error(&error);
 474         }
 475
 476         g_key_file_free(keyfile);
 477
 478         return offlinemode;
 479 }
 480
 481 static void append_properties(DBusMessageIter *iter,
 482                 struct connman_technology *technology)
 483 {
 484         DBusMessageIter dict;
 485         const char *str;
 486
 487         connman_dbus_dict_open(iter, &dict);
 488
 489         str = get_name(technology->type);
 490         if (str != NULL)
 491                 connman_dbus_dict_append_basic(&dict, "Name",
 492                                                 DBUS_TYPE_STRING, &str);
 493
 494         str = __connman_service_type2string(technology->type);
 495         if (str != NULL)
 496                 connman_dbus_dict_append_basic(&dict, "Type",
 497                                                 DBUS_TYPE_STRING, &str);
 498
 499         __sync_synchronize();
 500         connman_dbus_dict_append_basic(&dict, "Powered",
 501                                         DBUS_TYPE_BOOLEAN,
 502                                         &technology->enabled);
 503
 504         connman_dbus_dict_append_basic(&dict, "Connected",
 505                                         DBUS_TYPE_BOOLEAN,
 506                                         &technology->connected);
 507
 508         connman_dbus_dict_append_basic(&dict, "Tethering",
 509                                         DBUS_TYPE_BOOLEAN,
 510                                         &technology->tethering);
 511
 512         if (technology->tethering_ident != NULL)
 513                 connman_dbus_dict_append_basic(&dict, "TetheringIdentifier",
 514                                         DBUS_TYPE_STRING,
 515                                         &technology->tethering_ident);
 516
 517         if (technology->tethering_passphrase != NULL)
 518                 connman_dbus_dict_append_basic(&dict, "TetheringPassphrase",
 519                                         DBUS_TYPE_STRING,
 520                                         &technology->tethering_passphrase);
 521
 522         connman_dbus_dict_close(iter, &dict);
 523 }
 524
 525 static void technology_added_signal(struct connman_technology *technology)
 526 {
 527         DBusMessage *signal;
 528         DBusMessageIter iter;
 529
 530         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 531                         CONNMAN_MANAGER_INTERFACE, "TechnologyAdded");
 532         if (signal == NULL)
 533                 return;
 534
 535         dbus_message_iter_init_append(signal, &iter);
 536         dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH,
 537                                                         &technology->path);
 538         append_properties(&iter, technology);
 539
 540         dbus_connection_send(connection, signal, NULL);
 541         dbus_message_unref(signal);
 542 }
 543
 544 static void technology_removed_signal(struct connman_technology *technology)
 545 {
 546         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 547                         CONNMAN_MANAGER_INTERFACE, "TechnologyRemoved",
 548                         DBUS_TYPE_OBJECT_PATH, &technology->path,
 549                         DBUS_TYPE_INVALID);
 550 }
 551
 552 static DBusMessage *get_properties(DBusConnection *conn,
 553                                         DBusMessage *message, void *user_data)
 554 {
 555         struct connman_technology *technology = user_data;
 556         DBusMessage *reply;
 557         DBusMessageIter iter;
 558
 559         reply = dbus_message_new_method_return(message);
 560         if (reply == NULL)
 561                 return NULL;
 562
 563         dbus_message_iter_init_append(reply, &iter);
 564         append_properties(&iter, technology);
 565
 566         return reply;
 567 }
 568
 569 void __connman_technology_list_struct(DBusMessageIter *array)
 570 {
 571         GSList *list;
 572         DBusMessageIter entry;
 573
 574         for (list = technology_list; list; list = list->next) {
 575                 struct connman_technology *technology = list->data;
 576
 577                 if (technology->path == NULL ||
 578                                 (technology->rfkill_driven == TRUE &&
 579                                  technology->hardblocked == TRUE))
 580                         continue;
 581
 582                 dbus_message_iter_open_container(array, DBUS_TYPE_STRUCT,
 583                                 NULL, &entry);
 584                 dbus_message_iter_append_basic(&entry, DBUS_TYPE_OBJECT_PATH,
 585                                 &technology->path);
 586                 append_properties(&entry, technology);
 587                 dbus_message_iter_close_container(array, &entry);
 588         }
 589 }
 590
 591 static gboolean technology_pending_reply(gpointer user_data)
 592 {
 593         struct connman_technology *technology = user_data;
 594         DBusMessage *reply;
 595
 596         /* Power request timedout, send ETIMEDOUT. */
 597         if (technology->pending_reply != NULL) {
 598                 reply = __connman_error_failed(technology->pending_reply, ETIMEDOUT);
 599                 if (reply != NULL)
 600                         g_dbus_send_message(connection, reply);
 601
 602                 dbus_message_unref(technology->pending_reply);
 603                 technology->pending_reply = NULL;
 604                 technology->pending_timeout = 0;
 605         }
 606
 607         return FALSE;
 608 }
 609
 610 static int technology_affect_devices(struct connman_technology *technology,
 611                                                 connman_bool_t enable_device)
 612 {
 613         GSList *list;
 614         int err = 0;
 615
 616         for (list = technology->device_list; list; list = list->next) {
 617                 struct connman_device *device = list->data;
 618
 619                 if (enable_device == TRUE)
 620                         err = __connman_device_enable(device);
 621                 else
 622                         err = __connman_device_disable(device);
 623         }
 624
 625         return err;
 626 }
 627
 628 static int technology_enable(struct connman_technology *technology)
 629 {
 630         int err = 0;
 631         int err_dev;
 632
 633         DBG("technology %p enable", technology);
 634
 635         __sync_synchronize();
 636         if (technology->enabled == TRUE)
 637                 return -EALREADY;
 638
 639         if (technology->pending_reply != NULL)
 640                 return -EBUSY;
 641
 642         if (technology->rfkill_driven == TRUE)
 643                 err = __connman_rfkill_block(technology->type, FALSE);
 644
 645         err_dev = technology_affect_devices(technology, TRUE);
 646
 647         if (technology->rfkill_driven == FALSE)
 648                 err = err_dev;
 649
 650         return err;
 651 }
 652
 653 static int technology_disable(struct connman_technology *technology)
 654 {
 655         int err;
 656
 657         DBG("technology %p disable", technology);
 658
 659         __sync_synchronize();
 660         if (technology->enabled == FALSE)
 661                 return -EALREADY;
 662
 663         if (technology->pending_reply != NULL)
 664                 return -EBUSY;
 665
 666         if (technology->tethering == TRUE)
 667                 set_tethering(technology, FALSE);
 668
 669         err = technology_affect_devices(technology, FALSE);
 670
 671         if (technology->rfkill_driven == TRUE)
 672                 err = __connman_rfkill_block(technology->type, TRUE);
 673
 674         return err;
 675 }
 676
 677 static DBusMessage *set_powered(struct connman_technology *technology,
 678                                 DBusMessage *msg, connman_bool_t powered)
 679 {
 680         DBusMessage *reply = NULL;
 681         int err = 0;
 682
 683         if (technology->rfkill_driven && technology->hardblocked == TRUE) {
 684                 err = -EACCES;
 685                 goto make_reply;
 686         }
 687
 688         if (powered == TRUE)
 689                 err = technology_enable(technology);
 690         else
 691                 err = technology_disable(technology);
 692
 693         if (err != -EBUSY) {
 694                 technology->enable_persistent = powered;
 695                 technology_save(technology);
 696         }
 697
 698 make_reply:
 699         if (err == -EINPROGRESS) {
 700                 technology->pending_reply = dbus_message_ref(msg);
 701                 technology->pending_timeout = g_timeout_add_seconds(10,
 702                                         technology_pending_reply, technology);
 703         } else if (err == -EALREADY) {
 704                 if (powered == TRUE)
 705                         reply = __connman_error_already_enabled(msg);
 706                 else
 707                         reply = __connman_error_already_disabled(msg);
 708         } else if (err < 0)
 709                 reply = __connman_error_failed(msg, -err);
 710         else
 711                 reply = g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 712
 713         return reply;
 714 }
 715
 716 static DBusMessage *set_property(DBusConnection *conn,
 717                                         DBusMessage *msg, void *data)
 718 {
 719         struct connman_technology *technology = data;
 720         DBusMessageIter iter, value;
 721         const char *name;
 722         int type;
 723
 724         DBG("conn %p", conn);
 725
 726         if (dbus_message_iter_init(msg, &iter) == FALSE)
 727                 return __connman_error_invalid_arguments(msg);
 728
 729         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
 730                 return __connman_error_invalid_arguments(msg);
 731
 732         dbus_message_iter_get_basic(&iter, &name);
 733         dbus_message_iter_next(&iter);
 734
 735         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
 736                 return __connman_error_invalid_arguments(msg);
 737
 738         dbus_message_iter_recurse(&iter, &value);
 739
 740         type = dbus_message_iter_get_arg_type(&value);
 741
 742         DBG("property %s", name);
 743
 744         if (g_str_equal(name, "Tethering") == TRUE) {
 745                 int err;
 746                 connman_bool_t tethering;
 747
 748                 if (type != DBUS_TYPE_BOOLEAN)
 749                         return __connman_error_invalid_arguments(msg);
 750
 751                 dbus_message_iter_get_basic(&value, &tethering);
 752
 753                 if (technology->tethering == tethering) {
 754                         if (tethering == FALSE)
 755                                 return __connman_error_already_disabled(msg);
 756                         else
 757                                 return __connman_error_already_enabled(msg);
 758                 }
 759
 760                 err = set_tethering(technology, tethering);
 761                 if (err < 0)
 762                         return __connman_error_failed(msg, -err);
 763
 764         } else if (g_str_equal(name, "TetheringIdentifier") == TRUE) {
 765                 const char *str;
 766
 767                 dbus_message_iter_get_basic(&value, &str);
 768
 769                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 770                         return __connman_error_not_supported(msg);
 771
 772                 if (strlen(str) < 1 || strlen(str) > 32)
 773                         return __connman_error_invalid_arguments(msg);
 774
 775                 if (g_strcmp0(technology->tethering_ident, str) != 0) {
 776                         g_free(technology->tethering_ident);
 777                         technology->tethering_ident = g_strdup(str);
 778                         technology_save(technology);
 779
 780                         connman_dbus_property_changed_basic(technology->path,
 781                                                 CONNMAN_TECHNOLOGY_INTERFACE,
 782                                                 "TetheringIdentifier",
 783                                                 DBUS_TYPE_STRING,
 784                                                 &technology->tethering_ident);
 785                 }
 786         } else if (g_str_equal(name, "TetheringPassphrase") == TRUE) {
 787                 const char *str;
 788
 789                 dbus_message_iter_get_basic(&value, &str);
 790
 791                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 792                         return __connman_error_not_supported(msg);
 793
 794                 if (strlen(str) < 8 || strlen(str) > 63)
 795                         return __connman_error_passphrase_required(msg);
 796
 797                 if (g_strcmp0(technology->tethering_passphrase, str) != 0) {
 798                         g_free(technology->tethering_passphrase);
 799                         technology->tethering_passphrase = g_strdup(str);
 800                         technology_save(technology);
 801
 802                         connman_dbus_property_changed_basic(technology->path,
 803                                         CONNMAN_TECHNOLOGY_INTERFACE,
 804                                         "TetheringPassphrase",
 805                                         DBUS_TYPE_STRING,
 806                                         &technology->tethering_passphrase);
 807                 }
 808         } else if (g_str_equal(name, "Powered") == TRUE) {
 809                 connman_bool_t enable;
 810
 811                 if (type != DBUS_TYPE_BOOLEAN)
 812                         return __connman_error_invalid_arguments(msg);
 813
 814                 dbus_message_iter_get_basic(&value, &enable);
 815
 816                 return set_powered(technology, msg, enable);
 817         } else
 818                 return __connman_error_invalid_property(msg);
 819
 820         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 821 }
 822
 823 static struct connman_technology *technology_find(enum connman_service_type type)
 824 {
 825         GSList *list;
 826
 827         DBG("type %d", type);
 828
 829         for (list = technology_list; list; list = list->next) {
 830                 struct connman_technology *technology = list->data;
 831
 832                 if (technology->type == type)
 833                         return technology;
 834         }
 835
 836         return NULL;
 837 }
 838
 839 static void reply_scan_pending(struct connman_technology *technology, int err)
 840 {
 841         DBusMessage *reply;
 842
 843         DBG("technology %p err %d", technology, err);
 844
 845         while (technology->scan_pending != NULL) {
 846                 DBusMessage *msg = technology->scan_pending->data;
 847
 848                 DBG("reply to %s", dbus_message_get_sender(msg));
 849
 850                 if (err == 0)
 851                         reply = g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 852                 else
 853                         reply = __connman_error_failed(msg, -err);
 854                 g_dbus_send_message(connection, reply);
 855                 dbus_message_unref(msg);
 856
 857                 technology->scan_pending =
 858                         g_slist_delete_link(technology->scan_pending,
 859                                         technology->scan_pending);
 860         }
 861 }
 862
 863 void __connman_technology_scan_started(struct connman_device *device)
 864 {
 865         DBG("device %p", device);
 866 }
 867
 868 void __connman_technology_scan_stopped(struct connman_device *device)
 869 {
 870         int count = 0;
 871         struct connman_technology *technology;
 872         enum connman_service_type type;
 873         GSList *list;
 874
 875         type = __connman_device_get_service_type(device);
 876         technology = technology_find(type);
 877
 878         DBG("technology %p device %p", technology, device);
 879
 880         if (technology == NULL)
 881                 return;
 882
 883         for (list = technology->device_list; list != NULL; list = list->next) {
 884                 struct connman_device *other_device = list->data;
 885
 886                 if (device == other_device)
 887                         continue;
 888
 889                 if (__connman_device_get_service_type(other_device) != type)
 890                         continue;
 891
 892                 if (connman_device_get_scanning(other_device) == TRUE)
 893                         count += 1;
 894         }
 895
 896         if (count == 0)
 897                 reply_scan_pending(technology, 0);
 898 }
 899
 900 void __connman_technology_notify_regdom_by_device(struct connman_device *device,
 901                                                 int result, const char *alpha2)
 902 {
 903         connman_bool_t regdom_set = FALSE;
 904         struct connman_technology *technology;
 905         enum connman_service_type type;
 906         GSList *tech_drivers;
 907
 908         type = __connman_device_get_service_type(device);
 909         technology = technology_find(type);
 910
 911         if (technology == NULL)
 912                 return;
 913
 914         if (result < 0) {
 915
 916                 for (tech_drivers = technology->driver_list;
 917                      tech_drivers != NULL;
 918                      tech_drivers = g_slist_next(tech_drivers)) {
 919                         struct connman_technology_driver *driver =
 920                                 tech_drivers->data;
 921
 922                         if (driver->set_regdom != NULL) {
 923                                 driver->set_regdom(technology, alpha2);
 924                                 regdom_set = TRUE;
 925                         }
 926
 927                 }
 928
 929                 if (regdom_set == FALSE)
 930                         alpha2 = NULL;
 931         }
 932
 933         connman_technology_regdom_notify(technology, alpha2);
 934 }
 935
 936 static DBusMessage *scan(DBusConnection *conn, DBusMessage *msg, void *data)
 937 {
 938         struct connman_technology *technology = data;
 939         int err;
 940
 941         DBG ("technology %p request from %s", technology,
 942                         dbus_message_get_sender(msg));
 943
 944         dbus_message_ref(msg);
 945         technology->scan_pending =
 946                 g_slist_prepend(technology->scan_pending, msg);
 947
 948         err = __connman_device_request_scan(technology->type);
 949         if (err < 0)
 950                 reply_scan_pending(technology, err);
 951
 952         return NULL;
 953 }
 954
 955 static const GDBusMethodTable technology_methods[] = {
 956         { GDBUS_DEPRECATED_METHOD("GetProperties",
 957                         NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
 958                         get_properties) },
 959         { GDBUS_ASYNC_METHOD("SetProperty",
 960                         GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
 961                         NULL, set_property) },
 962         { GDBUS_ASYNC_METHOD("Scan", NULL, NULL, scan) },
 963         { },
 964 };
 965
 966 static const GDBusSignalTable technology_signals[] = {
 967         { GDBUS_SIGNAL("PropertyChanged",
 968                         GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
 969         { },
 970 };
 971
 972 static gboolean technology_dbus_register(struct connman_technology *technology)
 973 {
 974         if (technology->dbus_registered == TRUE ||
 975                                 (technology->rfkill_driven == TRUE &&
 976                                  technology->hardblocked == TRUE))
 977                 return TRUE;
 978
 979         if (g_dbus_register_interface(connection, technology->path,
 980                                 CONNMAN_TECHNOLOGY_INTERFACE,
 981                                 technology_methods, technology_signals,
 982                                 NULL, technology, NULL) == FALSE) {
 983                 connman_error("Failed to register %s", technology->path);
 984                 return FALSE;
 985         }
 986
 987         technology_added_signal(technology);
 988         technology->dbus_registered = TRUE;
 989
 990         return TRUE;
 991 }
 992
 993 static struct connman_technology *technology_get(enum connman_service_type type)
 994 {
 995         GSList *tech_drivers = NULL;
 996         struct connman_technology_driver *driver;
 997         struct connman_technology *technology;
 998         const char *str;
 999         GSList *list;
1000
1001         DBG("type %d", type);
1002
1003         str = __connman_service_type2string(type);
1004         if (str == NULL)
1005                 return NULL;
1006
1007         technology = technology_find(type);
1008         if (technology != NULL) {
1009                 __sync_fetch_and_add(&technology->refcount, 1);
1010                 return technology;
1011         }
1012
1013         /* First check if we have a driver for this technology type */
1014         for (list = driver_list; list; list = list->next) {
1015                 driver = list->data;
1016
1017                 if (driver->type == type) {
1018                         DBG("technology %p driver %p", technology, driver);
1019                         tech_drivers = g_slist_append(tech_drivers, driver);
1020                 }
1021         }
1022
1023         if (tech_drivers == NULL) {
1024                 DBG("No matching drivers found for %s.",
1025                                 __connman_service_type2string(type));
1026                 return NULL;
1027         }
1028
1029         technology = g_try_new0(struct connman_technology, 1);
1030         if (technology == NULL)
1031                 return NULL;
1032
1033         technology->refcount = 1;
1034
1035         technology->rfkill_driven = FALSE;
1036         technology->softblocked = FALSE;
1037         technology->hardblocked = FALSE;
1038
1039         technology->type = type;
1040         technology->path = g_strdup_printf("%s/technology/%s",
1041                                                         CONNMAN_PATH, str);
1042
1043         technology->device_list = NULL;
1044
1045         technology->pending_reply = NULL;
1046
1047         technology_load(technology);
1048
1049         if (technology_dbus_register(technology) == FALSE) {
1050                 g_free(technology);
1051                 return NULL;
1052         }
1053
1054         technology_list = g_slist_prepend(technology_list, technology);
1055
1056         technology->driver_list = tech_drivers;
1057
1058         for (list = tech_drivers; list != NULL; list = g_slist_next(list)) {
1059                 driver = list->data;
1060
1061                 if (driver->probe != NULL && driver->probe(technology) < 0)
1062                         DBG("Driver probe failed for technology %p",
1063                                         technology);
1064         }
1065
1066         DBG("technology %p", technology);
1067
1068         return technology;
1069 }
1070
1071 static void technology_dbus_unregister(struct connman_technology *technology)
1072 {
1073         if (technology->dbus_registered == FALSE)
1074                 return;
1075
1076         technology_removed_signal(technology);
1077         g_dbus_unregister_interface(connection, technology->path,
1078                 CONNMAN_TECHNOLOGY_INTERFACE);
1079
1080         technology->dbus_registered = FALSE;
1081 }
1082
1083 static void technology_put(struct connman_technology *technology)
1084 {
1085         DBG("technology %p", technology);
1086
1087         if (__sync_sub_and_fetch(&technology->refcount, 1) > 0)
1088                 return;
1089
1090         reply_scan_pending(technology, -EINTR);
1091
1092         while (technology->driver_list != NULL) {
1093                 struct connman_technology_driver *driver;
1094
1095                 driver = technology->driver_list->data;
1096
1097                 if (driver->remove != NULL)
1098                         driver->remove(technology);
1099
1100                 technology->driver_list =
1101                         g_slist_delete_link(technology->driver_list,
1102                                         technology->driver_list);
1103         }
1104
1105         technology_list = g_slist_remove(technology_list, technology);
1106
1107         technology_dbus_unregister(technology);
1108
1109         g_slist_free(technology->device_list);
1110
1111         g_free(technology->path);
1112         g_free(technology->regdom);
1113         g_free(technology->tethering_ident);
1114         g_free(technology->tethering_passphrase);
1115         g_free(technology);
1116 }
1117
1118 void __connman_technology_add_interface(enum connman_service_type type,
1119                                 int index, const char *name, const char *ident)
1120 {
1121         struct connman_technology *technology;
1122         GSList *tech_drivers;
1123         struct connman_technology_driver *driver;
1124
1125         switch (type) {
1126         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1127         case CONNMAN_SERVICE_TYPE_SYSTEM:
1128                 return;
1129         case CONNMAN_SERVICE_TYPE_ETHERNET:
1130         case CONNMAN_SERVICE_TYPE_WIFI:
1131         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1132         case CONNMAN_SERVICE_TYPE_CELLULAR:
1133         case CONNMAN_SERVICE_TYPE_GPS:
1134         case CONNMAN_SERVICE_TYPE_VPN:
1135         case CONNMAN_SERVICE_TYPE_GADGET:
1136                 break;
1137         }
1138
1139         connman_info("Adding interface %s [ %s ]", name,
1140                                 __connman_service_type2string(type));
1141
1142         technology = technology_find(type);
1143
1144         if (technology == NULL)
1145                 return;
1146
1147         for (tech_drivers = technology->driver_list; tech_drivers != NULL;
1148              tech_drivers = g_slist_next(tech_drivers)) {
1149                 driver = tech_drivers->data;
1150
1151                 if(driver->add_interface != NULL)
1152                         driver->add_interface(technology, index, name, ident);
1153         }
1154 }
1155
1156 void __connman_technology_remove_interface(enum connman_service_type type,
1157                                 int index, const char *name, const char *ident)
1158 {
1159         struct connman_technology *technology;
1160         GSList *tech_drivers;
1161         struct connman_technology_driver *driver;
1162
1163         switch (type) {
1164         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1165         case CONNMAN_SERVICE_TYPE_SYSTEM:
1166                 return;
1167         case CONNMAN_SERVICE_TYPE_ETHERNET:
1168         case CONNMAN_SERVICE_TYPE_WIFI:
1169         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1170         case CONNMAN_SERVICE_TYPE_CELLULAR:
1171         case CONNMAN_SERVICE_TYPE_GPS:
1172         case CONNMAN_SERVICE_TYPE_VPN:
1173         case CONNMAN_SERVICE_TYPE_GADGET:
1174                 break;
1175         }
1176
1177         connman_info("Remove interface %s [ %s ]", name,
1178                                 __connman_service_type2string(type));
1179
1180         technology = technology_find(type);
1181
1182         if (technology == NULL)
1183                 return;
1184
1185         for (tech_drivers = technology->driver_list; tech_drivers != NULL;
1186              tech_drivers = g_slist_next(tech_drivers)) {
1187                 driver = tech_drivers->data;
1188
1189                 if(driver->remove_interface != NULL)
1190                         driver->remove_interface(technology, index);
1191         }
1192 }
1193
1194 int __connman_technology_add_device(struct connman_device *device)
1195 {
1196         struct connman_technology *technology;
1197         enum connman_service_type type;
1198
1199         DBG("device %p", device);
1200
1201         type = __connman_device_get_service_type(device);
1202
1203         technology = technology_get(type);
1204         if (technology == NULL) {
1205                 /*
1206                  * Since no driver can be found for this device at the moment we
1207                  * add it to the techless device list.
1208                 */
1209                 techless_device_list = g_slist_prepend(techless_device_list,
1210                                                                 device);
1211
1212                 return -ENXIO;
1213         }
1214
1215         __sync_synchronize();
1216         if (technology->rfkill_driven == TRUE) {
1217                 if (technology->enabled == TRUE)
1218                         __connman_device_enable(device);
1219                 else
1220                         __connman_device_disable(device);
1221
1222                 goto done;
1223         }
1224
1225         if (technology->enable_persistent == TRUE &&
1226                                         global_offlinemode == FALSE) {
1227                 int err = __connman_device_enable(device);
1228                 /*
1229                  * connman_technology_add_device() calls __connman_device_enable()
1230                  * but since the device is already enabled, the calls does not
1231                  * propagate through to connman_technology_enabled via
1232                  * connman_device_set_powered.
1233                  */
1234                 if (err == -EALREADY)
1235                         __connman_technology_enabled(type);
1236         }
1237         /* if technology persistent state is offline */
1238         if (technology->enable_persistent == FALSE)
1239                 __connman_device_disable(device);
1240
1241 done:
1242         technology->device_list = g_slist_prepend(technology->device_list,
1243                                                                 device);
1244
1245         return 0;
1246 }
1247
1248 int __connman_technology_remove_device(struct connman_device *device)
1249 {
1250         struct connman_technology *technology;
1251         enum connman_service_type type;
1252
1253         DBG("device %p", device);
1254
1255         type = __connman_device_get_service_type(device);
1256
1257         technology = technology_find(type);
1258         if (technology == NULL) {
1259                 techless_device_list = g_slist_remove(techless_device_list,
1260                                                                 device);
1261                 return -ENXIO;
1262         }
1263
1264         technology->device_list = g_slist_remove(technology->device_list,
1265                                                                 device);
1266         technology_put(technology);
1267
1268         return 0;
1269 }
1270
1271 static void powered_changed(struct connman_technology *technology)
1272 {
1273         if (technology->dbus_registered == FALSE)
1274                 return;
1275
1276         if (technology->pending_reply != NULL) {
1277                 g_dbus_send_reply(connection,
1278                                 technology->pending_reply, DBUS_TYPE_INVALID);
1279                 dbus_message_unref(technology->pending_reply);
1280                 technology->pending_reply = NULL;
1281
1282                 g_source_remove(technology->pending_timeout);
1283                 technology->pending_timeout = 0;
1284         }
1285
1286         __sync_synchronize();
1287         connman_dbus_property_changed_basic(technology->path,
1288                         CONNMAN_TECHNOLOGY_INTERFACE, "Powered",
1289                         DBUS_TYPE_BOOLEAN, &technology->enabled);
1290 }
1291
1292 static int technology_enabled(struct connman_technology *technology)
1293 {
1294         __sync_synchronize();
1295         if (technology->enabled == TRUE)
1296                 return -EALREADY;
1297
1298         technology->enabled = TRUE;
1299
1300         powered_changed(technology);
1301
1302         return 0;
1303 }
1304
1305 int __connman_technology_enabled(enum connman_service_type type)
1306 {
1307         struct connman_technology *technology;
1308
1309         technology = technology_find(type);
1310         if (technology == NULL)
1311                 return -ENXIO;
1312
1313         if (technology->rfkill_driven == TRUE)
1314                 return 0;
1315
1316         return technology_enabled(technology);
1317 }
1318
1319 static int technology_disabled(struct connman_technology *technology)
1320 {
1321         __sync_synchronize();
1322         if (technology->enabled == FALSE)
1323                 return -EALREADY;
1324
1325         technology->enabled = FALSE;
1326
1327         powered_changed(technology);
1328
1329         return 0;
1330 }
1331
1332 int __connman_technology_disabled(enum connman_service_type type)
1333 {
1334         struct connman_technology *technology;
1335         GSList *list;
1336
1337         technology = technology_find(type);
1338         if (technology == NULL)
1339                 return -ENXIO;
1340
1341         if (technology->rfkill_driven == TRUE)
1342                 return 0;
1343
1344         for (list = technology->device_list; list != NULL; list = list->next) {
1345                 struct connman_device *device = list->data;
1346
1347                 if (connman_device_get_powered(device) == TRUE)
1348                         return 0;
1349         }
1350
1351         return technology_disabled(technology);
1352 }
1353
1354 int __connman_technology_set_offlinemode(connman_bool_t offlinemode)
1355 {
1356         GSList *list;
1357         int err = -EINVAL;
1358
1359         if (global_offlinemode == offlinemode)
1360                 return 0;
1361
1362         DBG("offlinemode %s", offlinemode ? "On" : "Off");
1363
1364         /*
1365          * This is a bit tricky. When you set offlinemode, there is no
1366          * way to differentiate between attempting offline mode and
1367          * resuming offlinemode from last saved profile. We need that
1368          * information in rfkill_update, otherwise it falls back on the
1369          * technology's persistent state. Hence we set the offline mode here
1370          * but save it & call the notifier only if its successful.
1371          */
1372
1373         global_offlinemode = offlinemode;
1374
1375         /* Traverse technology list, enable/disable each technology. */
1376         for (list = technology_list; list; list = list->next) {
1377                 struct connman_technology *technology = list->data;
1378
1379                 if (offlinemode)
1380                         err = technology_disable(technology);
1381
1382                 if (!offlinemode && technology->enable_persistent)
1383                         err = technology_enable(technology);
1384         }
1385
1386         if (err == 0 || err == -EINPROGRESS || err == -EALREADY) {
1387                 connman_technology_save_offlinemode();
1388                 __connman_notifier_offlinemode(offlinemode);
1389         } else
1390                 global_offlinemode = connman_technology_load_offlinemode();
1391
1392         return err;
1393 }
1394
1395 void __connman_technology_set_connected(enum connman_service_type type,
1396                 connman_bool_t connected)
1397 {
1398         struct connman_technology *technology;
1399
1400         technology = technology_find(type);
1401         if (technology == NULL)
1402                 return;
1403
1404         DBG("technology %p connected %d", technology, connected);
1405
1406         technology->connected = connected;
1407
1408         connman_dbus_property_changed_basic(technology->path,
1409                         CONNMAN_TECHNOLOGY_INTERFACE, "Connected",
1410                         DBUS_TYPE_BOOLEAN, &connected);
1411 }
1412
1413 static connman_bool_t technology_apply_rfkill_change(struct connman_technology *technology,
1414                                                 connman_bool_t softblock,
1415                                                 connman_bool_t hardblock,
1416                                                 connman_bool_t new_rfkill)
1417 {
1418         gboolean hardblock_changed = FALSE;
1419         gboolean apply = TRUE;
1420         GList *start, *list;
1421
1422         DBG("technology %p --> %d/%d vs %d/%d",
1423                         technology, softblock, hardblock,
1424                         technology->softblocked, technology->hardblocked);
1425
1426         if (technology->hardblocked == hardblock)
1427                 goto softblock_change;
1428
1429         if (!(new_rfkill == TRUE && hardblock == FALSE)) {
1430                 start = g_hash_table_get_values(rfkill_list);
1431
1432                 for (list = start; list != NULL; list = list->next) {
1433                         struct connman_rfkill *rfkill = list->data;
1434
1435                         if (rfkill->type != technology->type)
1436                                 continue;
1437
1438                         if (rfkill->hardblock != hardblock)
1439                                 apply = FALSE;
1440                 }
1441
1442                 g_list_free(start);
1443         }
1444
1445         if (apply == FALSE)
1446                 goto softblock_change;
1447
1448         technology->hardblocked = hardblock;
1449         hardblock_changed = TRUE;
1450
1451 softblock_change:
1452         if (apply == FALSE && technology->softblocked != softblock)
1453                 apply = TRUE;
1454
1455         if (apply == FALSE)
1456                 return technology->hardblocked;
1457
1458         technology->softblocked = softblock;
1459
1460         if (technology->hardblocked == TRUE ||
1461                                         technology->softblocked == TRUE) {
1462                 if (technology_disabled(technology) != -EALREADY)
1463                         technology_affect_devices(technology, FALSE);
1464         } else if (technology->hardblocked == FALSE &&
1465                                         technology->softblocked == FALSE) {
1466                 if (technology_enabled(technology) != -EALREADY)
1467                         technology_affect_devices(technology, TRUE);
1468         }
1469
1470         if (hardblock_changed == TRUE) {
1471                 if (technology->hardblocked == TRUE) {
1472                         DBG("%s is switched off.", get_name(technology->type));
1473                         technology_dbus_unregister(technology);
1474                 } else
1475                         technology_dbus_register(technology);
1476         }
1477
1478         return technology->hardblocked;
1479 }
1480
1481 int __connman_technology_add_rfkill(unsigned int index,
1482                                         enum connman_service_type type,
1483                                                 connman_bool_t softblock,
1484                                                 connman_bool_t hardblock)
1485 {
1486         struct connman_technology *technology;
1487         struct connman_rfkill *rfkill;
1488
1489         DBG("index %u type %d soft %u hard %u", index, type,
1490                                                         softblock, hardblock);
1491
1492         rfkill = g_hash_table_lookup(rfkill_list, GINT_TO_POINTER(index));
1493         if (rfkill != NULL)
1494                 goto done;
1495
1496         rfkill = g_try_new0(struct connman_rfkill, 1);
1497         if (rfkill == NULL)
1498                 return -ENOMEM;
1499
1500         rfkill->index = index;
1501         rfkill->type = type;
1502         rfkill->softblock = softblock;
1503         rfkill->hardblock = hardblock;
1504
1505         g_hash_table_insert(rfkill_list, GINT_TO_POINTER(index), rfkill);
1506
1507 done:
1508         technology = technology_get(type);
1509         /* If there is no driver for this type, ignore it. */
1510         if (technology == NULL)
1511                 return -ENXIO;
1512
1513         technology->rfkill_driven = TRUE;
1514
1515         /* If hardblocked, there is no need to handle softblocked state */
1516         if (technology_apply_rfkill_change(technology,
1517                                 softblock, hardblock, TRUE) == TRUE)
1518                 return 0;
1519
1520         /*
1521          * Depending on softblocked state we unblock/block according to
1522          * offlinemode and persistente state.
1523          */
1524         if (technology->softblocked == TRUE &&
1525                                 global_offlinemode == FALSE &&
1526                                 technology->enable_persistent == TRUE)
1527                 return __connman_rfkill_block(type, FALSE);
1528         else if (technology->softblocked == FALSE &&
1529                         (global_offlinemode == TRUE ||
1530                                 technology->enable_persistent == FALSE))
1531                 return __connman_rfkill_block(type, TRUE);
1532
1533         return 0;
1534 }
1535
1536 int __connman_technology_update_rfkill(unsigned int index,
1537                                         enum connman_service_type type,
1538                                                 connman_bool_t softblock,
1539                                                 connman_bool_t hardblock)
1540 {
1541         struct connman_technology *technology;
1542         struct connman_rfkill *rfkill;
1543
1544         DBG("index %u soft %u hard %u", index, softblock, hardblock);
1545
1546         rfkill = g_hash_table_lookup(rfkill_list, GINT_TO_POINTER(index));
1547         if (rfkill == NULL)
1548                 return -ENXIO;
1549
1550         if (rfkill->softblock == softblock &&
1551                                 rfkill->hardblock == hardblock)
1552                 return 0;
1553
1554         rfkill->softblock = softblock;
1555         rfkill->hardblock = hardblock;
1556
1557         technology = technology_find(type);
1558         /* If there is no driver for this type, ignore it. */
1559         if (technology == NULL)
1560                 return -ENXIO;
1561
1562         /* If hardblocked, there is no need to handle softblocked state */
1563         if (technology_apply_rfkill_change(technology,
1564                                 softblock, hardblock, FALSE) == TRUE)
1565                 return 0;
1566
1567         if (global_offlinemode == TRUE)
1568                 return 0;
1569
1570         /*
1571          * Depending on softblocked state we unblock/block according to
1572          * persistent state.
1573          */
1574         if (technology->softblocked == TRUE &&
1575                                 technology->enable_persistent == TRUE)
1576                 return __connman_rfkill_block(type, FALSE);
1577         else if (technology->softblocked == FALSE &&
1578                                 technology->enable_persistent == FALSE)
1579                 return __connman_rfkill_block(type, TRUE);
1580
1581         return 0;
1582 }
1583
1584 int __connman_technology_remove_rfkill(unsigned int index,
1585                                         enum connman_service_type type)
1586 {
1587         struct connman_technology *technology;
1588         struct connman_rfkill *rfkill;
1589
1590         DBG("index %u", index);
1591
1592         rfkill = g_hash_table_lookup(rfkill_list, GINT_TO_POINTER(index));
1593         if (rfkill == NULL)
1594                 return -ENXIO;
1595
1596         g_hash_table_remove(rfkill_list, GINT_TO_POINTER(index));
1597
1598         technology = technology_find(type);
1599         if (technology == NULL)
1600                 return -ENXIO;
1601
1602         technology_apply_rfkill_change(technology,
1603                 technology->softblocked, !technology->hardblocked, FALSE);
1604
1605         technology_put(technology);
1606
1607         return 0;
1608 }
1609
1610 int __connman_technology_init(void)
1611 {
1612         DBG("");
1613
1614         connection = connman_dbus_get_connection();
1615
1616         rfkill_list = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1617                                                         NULL, free_rfkill);
1618
1619         global_offlinemode = connman_technology_load_offlinemode();
1620
1621         /* This will create settings file if it is missing */
1622         connman_technology_save_offlinemode();
1623
1624         return 0;
1625 }
1626
1627 void __connman_technology_cleanup(void)
1628 {
1629         DBG("");
1630
1631         g_hash_table_destroy(rfkill_list);
1632
1633         dbus_connection_unref(connection);
1634 }