src/technology.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  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 static connman_bool_t global_offlinemode;
  38
  39 struct connman_rfkill {
  40         unsigned int index;
  41         enum connman_service_type type;
  42         connman_bool_t softblock;
  43         connman_bool_t hardblock;
  44 };
  45
  46 enum connman_technology_state {
  47         CONNMAN_TECHNOLOGY_STATE_UNKNOWN   = 0,
  48         CONNMAN_TECHNOLOGY_STATE_OFFLINE   = 1,
  49         CONNMAN_TECHNOLOGY_STATE_ENABLED   = 2,
  50         CONNMAN_TECHNOLOGY_STATE_CONNECTED = 3,
  51 };
  52
  53 struct connman_technology {
  54         gint refcount;
  55         enum connman_service_type type;
  56         enum connman_technology_state state;
  57         char *path;
  58         GHashTable *rfkill_list;
  59         GSList *device_list;
  60         gint enabled;
  61         char *regdom;
  62
  63         connman_bool_t tethering;
  64         char *tethering_ident;
  65         char *tethering_passphrase;
  66
  67         connman_bool_t enable_persistent; /* Save the tech state */
  68
  69         struct connman_technology_driver *driver;
  70         void *driver_data;
  71
  72         DBusMessage *pending_reply;
  73         guint pending_timeout;
  74 };
  75
  76 static GSList *driver_list = NULL;
  77
  78 static gint compare_priority(gconstpointer a, gconstpointer b)
  79 {
  80         const struct connman_technology_driver *driver1 = a;
  81         const struct connman_technology_driver *driver2 = b;
  82
  83         return driver2->priority - driver1->priority;
  84 }
  85
  86 /**
  87  * connman_technology_driver_register:
  88  * @driver: Technology driver definition
  89  *
  90  * Register a new technology driver
  91  *
  92  * Returns: %0 on success
  93  */
  94 int connman_technology_driver_register(struct connman_technology_driver *driver)
  95 {
  96         GSList *list;
  97         struct connman_technology *technology;
  98
  99         DBG("driver %p name %s", driver, driver->name);
 100
 101         driver_list = g_slist_insert_sorted(driver_list, driver,
 102                                                         compare_priority);
 103
 104         for (list = technology_list; list; list = list->next) {
 105                 technology = list->data;
 106
 107                 if (technology->driver != NULL)
 108                         continue;
 109
 110                 if (technology->type == driver->type)
 111                         technology->driver = driver;
 112         }
 113
 114         return 0;
 115 }
 116
 117 /**
 118  * connman_technology_driver_unregister:
 119  * @driver: Technology driver definition
 120  *
 121  * Remove a previously registered technology driver
 122  */
 123 void connman_technology_driver_unregister(struct connman_technology_driver *driver)
 124 {
 125         GSList *list;
 126         struct connman_technology *technology;
 127
 128         DBG("driver %p name %s", driver, driver->name);
 129
 130         for (list = technology_list; list; list = list->next) {
 131                 technology = list->data;
 132
 133                 if (technology->driver == NULL)
 134                         continue;
 135
 136                 if (technology->type == driver->type) {
 137                         technology->driver->remove(technology);
 138                         technology->driver = NULL;
 139                 }
 140         }
 141
 142         driver_list = g_slist_remove(driver_list, driver);
 143 }
 144
 145 static void tethering_changed(struct connman_technology *technology)
 146 {
 147         connman_bool_t tethering = technology->tethering;
 148
 149         connman_dbus_property_changed_basic(technology->path,
 150                                 CONNMAN_TECHNOLOGY_INTERFACE, "Tethering",
 151                                                 DBUS_TYPE_BOOLEAN, &tethering);
 152 }
 153
 154 void connman_technology_tethering_notify(struct connman_technology *technology,
 155                                                         connman_bool_t enabled)
 156 {
 157         DBG("technology %p enabled %u", technology, enabled);
 158
 159         if (technology->tethering == enabled)
 160                 return;
 161
 162         technology->tethering = enabled;
 163
 164         tethering_changed(technology);
 165
 166         if (enabled == TRUE)
 167                 __connman_tethering_set_enabled();
 168         else
 169                 __connman_tethering_set_disabled();
 170 }
 171
 172 static int set_tethering(struct connman_technology *technology,
 173                                 const char *bridge, connman_bool_t enabled)
 174 {
 175         const char *ident, *passphrase;
 176
 177         ident = technology->tethering_ident;
 178         passphrase = technology->tethering_passphrase;
 179
 180         if (technology->driver == NULL ||
 181                         technology->driver->set_tethering == NULL)
 182                 return -EOPNOTSUPP;
 183
 184         if (technology->type == CONNMAN_SERVICE_TYPE_WIFI &&
 185             (ident == NULL || passphrase == NULL))
 186                 return -EINVAL;
 187
 188         return technology->driver->set_tethering(technology, ident, passphrase,
 189                                                         bridge, enabled);
 190 }
 191
 192 void connman_technology_regdom_notify(struct connman_technology *technology,
 193                                                         const char *alpha2)
 194 {
 195         DBG("");
 196
 197         if (alpha2 == NULL)
 198                 connman_error("Failed to set regulatory domain");
 199         else
 200                 DBG("Regulatory domain set to %s", alpha2);
 201
 202         g_free(technology->regdom);
 203         technology->regdom = g_strdup(alpha2);
 204 }
 205
 206 int connman_technology_set_regdom(const char *alpha2)
 207 {
 208         GSList *list;
 209
 210         for (list = technology_list; list; list = list->next) {
 211                 struct connman_technology *technology = list->data;
 212
 213                 if (technology->driver == NULL)
 214                         continue;
 215
 216                 if (technology->driver->set_regdom)
 217                         technology->driver->set_regdom(technology, alpha2);
 218         }
 219
 220         return 0;
 221 }
 222
 223 static void free_rfkill(gpointer data)
 224 {
 225         struct connman_rfkill *rfkill = data;
 226
 227         g_free(rfkill);
 228 }
 229
 230 void __connman_technology_list(DBusMessageIter *iter, void *user_data)
 231 {
 232         GSList *list;
 233
 234         for (list = technology_list; list; list = list->next) {
 235                 struct connman_technology *technology = list->data;
 236
 237                 if (technology->path == NULL)
 238                         continue;
 239
 240                 dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 241                                                         &technology->path);
 242         }
 243 }
 244
 245 static void technologies_changed(void)
 246 {
 247         connman_dbus_property_changed_array(CONNMAN_MANAGER_PATH,
 248                         CONNMAN_MANAGER_INTERFACE, "Technologies",
 249                         DBUS_TYPE_OBJECT_PATH, __connman_technology_list, NULL);
 250 }
 251
 252 static const char *state2string(enum connman_technology_state state)
 253 {
 254         switch (state) {
 255         case CONNMAN_TECHNOLOGY_STATE_UNKNOWN:
 256                 break;
 257         case CONNMAN_TECHNOLOGY_STATE_OFFLINE:
 258                 return "offline";
 259         case CONNMAN_TECHNOLOGY_STATE_ENABLED:
 260                 return "enabled";
 261         case CONNMAN_TECHNOLOGY_STATE_CONNECTED:
 262                 return "connected";
 263         }
 264
 265         return NULL;
 266 }
 267
 268 static void state_changed(struct connman_technology *technology)
 269 {
 270         const char *str;
 271
 272         str = state2string(technology->state);
 273         if (str == NULL)
 274                 return;
 275
 276         connman_dbus_property_changed_basic(technology->path,
 277                                 CONNMAN_TECHNOLOGY_INTERFACE, "State",
 278                                                 DBUS_TYPE_STRING, &str);
 279 }
 280
 281 static const char *get_name(enum connman_service_type type)
 282 {
 283         switch (type) {
 284         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 285         case CONNMAN_SERVICE_TYPE_SYSTEM:
 286         case CONNMAN_SERVICE_TYPE_GPS:
 287         case CONNMAN_SERVICE_TYPE_VPN:
 288         case CONNMAN_SERVICE_TYPE_GADGET:
 289                 break;
 290         case CONNMAN_SERVICE_TYPE_ETHERNET:
 291                 return "Wired";
 292         case CONNMAN_SERVICE_TYPE_WIFI:
 293                 return "WiFi";
 294         case CONNMAN_SERVICE_TYPE_WIMAX:
 295                 return "WiMAX";
 296         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 297                 return "Bluetooth";
 298         case CONNMAN_SERVICE_TYPE_CELLULAR:
 299                 return "3G";
 300         }
 301
 302         return NULL;
 303 }
 304
 305 connman_bool_t __connman_technology_get_offlinemode(void)
 306 {
 307         return global_offlinemode;
 308 }
 309
 310 static int connman_technology_save_offlinemode()
 311 {
 312         GKeyFile *keyfile;
 313
 314         keyfile = __connman_storage_open_profile("default");
 315         if (keyfile == NULL)
 316                 return -EIO;
 317
 318         g_key_file_set_boolean(keyfile, "global",
 319                                         "OfflineMode", global_offlinemode);
 320
 321         __connman_storage_close_profile("default", keyfile, TRUE);
 322
 323         return 0;
 324 }
 325
 326 static connman_bool_t connman_technology_load_offlinemode()
 327 {
 328         GKeyFile *keyfile;
 329         GError *error = NULL;
 330         connman_bool_t offlinemode;
 331
 332         /* If there is a error, we enable offlinemode */
 333         keyfile = __connman_storage_open_profile("default");
 334         if (keyfile == NULL)
 335                 return TRUE;
 336
 337         offlinemode = g_key_file_get_boolean(keyfile, "global",
 338                                                 "OfflineMode", &error);
 339         if (error != NULL) {
 340                 offlinemode = TRUE;
 341                 g_clear_error(&error);
 342         }
 343         __connman_storage_close_profile("default", keyfile, FALSE);
 344
 345         return offlinemode;
 346 }
 347
 348 static DBusMessage *get_properties(DBusConnection *conn,
 349                                         DBusMessage *message, void *user_data)
 350 {
 351         struct connman_technology *technology = user_data;
 352         DBusMessage *reply;
 353         DBusMessageIter array, dict;
 354         const char *str;
 355
 356         reply = dbus_message_new_method_return(message);
 357         if (reply == NULL)
 358                 return NULL;
 359
 360         dbus_message_iter_init_append(reply, &array);
 361
 362         connman_dbus_dict_open(&array, &dict);
 363
 364         str = state2string(technology->state);
 365         if (str != NULL)
 366                 connman_dbus_dict_append_basic(&dict, "State",
 367                                                 DBUS_TYPE_STRING, &str);
 368
 369         str = get_name(technology->type);
 370         if (str != NULL)
 371                 connman_dbus_dict_append_basic(&dict, "Name",
 372                                                 DBUS_TYPE_STRING, &str);
 373
 374         str = __connman_service_type2string(technology->type);
 375         if (str != NULL)
 376                 connman_dbus_dict_append_basic(&dict, "Type",
 377                                                 DBUS_TYPE_STRING, &str);
 378
 379         connman_dbus_dict_append_basic(&dict, "Tethering",
 380                                         DBUS_TYPE_BOOLEAN,
 381                                         &technology->tethering);
 382
 383         if (technology->tethering_ident != NULL)
 384                 connman_dbus_dict_append_basic(&dict, "TetheringIdentifier",
 385                                                 DBUS_TYPE_STRING,
 386                                                 &technology->tethering_ident);
 387
 388         if (technology->tethering_passphrase != NULL)
 389                 connman_dbus_dict_append_basic(&dict, "TetheringPassphrase",
 390                                                 DBUS_TYPE_STRING,
 391                                                 &technology->tethering_passphrase);
 392
 393         connman_dbus_dict_close(&array, &dict);
 394
 395         return reply;
 396 }
 397
 398 static DBusMessage *set_property(DBusConnection *conn,
 399                                         DBusMessage *msg, void *data)
 400 {
 401         struct connman_technology *technology = data;
 402         DBusMessageIter iter, value;
 403         const char *name;
 404         int type;
 405
 406         DBG("conn %p", conn);
 407
 408         if (dbus_message_iter_init(msg, &iter) == FALSE)
 409                 return __connman_error_invalid_arguments(msg);
 410
 411         dbus_message_iter_get_basic(&iter, &name);
 412         dbus_message_iter_next(&iter);
 413         dbus_message_iter_recurse(&iter, &value);
 414
 415         type = dbus_message_iter_get_arg_type(&value);
 416
 417         DBG("property %s", name);
 418
 419         if (g_str_equal(name, "Tethering") == TRUE) {
 420                 int err;
 421                 connman_bool_t tethering;
 422                 const char *bridge;
 423
 424                 if (type != DBUS_TYPE_BOOLEAN)
 425                         return __connman_error_invalid_arguments(msg);
 426
 427                 dbus_message_iter_get_basic(&value, &tethering);
 428
 429                 if (technology->tethering == tethering)
 430                         return __connman_error_in_progress(msg);
 431
 432                 bridge = __connman_tethering_get_bridge();
 433                 if (bridge == NULL)
 434                         return __connman_error_not_supported(msg);
 435
 436                 err = set_tethering(technology, bridge, tethering);
 437                 if (err < 0)
 438                         return __connman_error_failed(msg, -err);
 439
 440         } else if (g_str_equal(name, "TetheringIdentifier") == TRUE) {
 441                 const char *str;
 442
 443                 dbus_message_iter_get_basic(&value, &str);
 444
 445                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 446                         return __connman_error_not_supported(msg);
 447
 448                 technology->tethering_ident = g_strdup(str);
 449         } else if (g_str_equal(name, "TetheringPassphrase") == TRUE) {
 450                 const char *str;
 451
 452                 dbus_message_iter_get_basic(&value, &str);
 453
 454                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 455                         return __connman_error_not_supported(msg);
 456
 457                 if (strlen(str) < 8)
 458                         return __connman_error_invalid_arguments(msg);
 459
 460                 technology->tethering_passphrase = g_strdup(str);
 461         } else
 462                 return __connman_error_invalid_property(msg);
 463
 464         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 465 }
 466
 467 static GDBusMethodTable technology_methods[] = {
 468         { "GetProperties", "",   "a{sv}", get_properties },
 469         { "SetProperty",   "sv", "",      set_property   },
 470         { },
 471 };
 472
 473 static GDBusSignalTable technology_signals[] = {
 474         { "PropertyChanged", "sv" },
 475         { },
 476 };
 477
 478 static struct connman_technology *technology_find(enum connman_service_type type)
 479 {
 480         GSList *list;
 481
 482         DBG("type %d", type);
 483
 484         for (list = technology_list; list; list = list->next) {
 485                 struct connman_technology *technology = list->data;
 486
 487                 if (technology->type == type)
 488                         return technology;
 489         }
 490
 491         return NULL;
 492 }
 493
 494 static struct connman_technology *technology_get(enum connman_service_type type)
 495 {
 496         struct connman_technology *technology;
 497         const char *str;
 498         GSList *list;
 499
 500         DBG("type %d", type);
 501
 502         technology = technology_find(type);
 503         if (technology != NULL) {
 504                 g_atomic_int_inc(&technology->refcount);
 505                 goto done;
 506         }
 507
 508         str = __connman_service_type2string(type);
 509         if (str == NULL)
 510                 return NULL;
 511
 512         technology = g_try_new0(struct connman_technology, 1);
 513         if (technology == NULL)
 514                 return NULL;
 515
 516         technology->refcount = 1;
 517
 518         technology->type = type;
 519         technology->path = g_strdup_printf("%s/technology/%s",
 520                                                         CONNMAN_PATH, str);
 521
 522         technology->rfkill_list = g_hash_table_new_full(g_int_hash, g_int_equal,
 523                                                         NULL, free_rfkill);
 524         technology->device_list = NULL;
 525
 526         technology->pending_reply = NULL;
 527         technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 528
 529         __connman_storage_load_technology(technology);
 530
 531         if (g_dbus_register_interface(connection, technology->path,
 532                                         CONNMAN_TECHNOLOGY_INTERFACE,
 533                                         technology_methods, technology_signals,
 534                                         NULL, technology, NULL) == FALSE) {
 535                 connman_error("Failed to register %s", technology->path);
 536                 g_free(technology);
 537                 return NULL;
 538         }
 539
 540         technology_list = g_slist_append(technology_list, technology);
 541
 542         technologies_changed();
 543
 544         if (technology->driver != NULL)
 545                 goto done;
 546
 547         for (list = driver_list; list; list = list->next) {
 548                 struct connman_technology_driver *driver = list->data;
 549
 550                 DBG("driver %p name %s", driver, driver->name);
 551
 552                 if (driver->type != technology->type)
 553                         continue;
 554
 555                 if (driver->probe(technology) == 0) {
 556                         technology->driver = driver;
 557                         break;
 558                 }
 559         }
 560
 561 done:
 562         DBG("technology %p", technology);
 563
 564         return technology;
 565 }
 566
 567 static void technology_put(struct connman_technology *technology)
 568 {
 569         DBG("technology %p", technology);
 570
 571         if (g_atomic_int_dec_and_test(&technology->refcount) == FALSE)
 572                 return;
 573
 574         if (technology->driver) {
 575                 technology->driver->remove(technology);
 576                 technology->driver = NULL;
 577         }
 578
 579         technology_list = g_slist_remove(technology_list, technology);
 580
 581         technologies_changed();
 582
 583         g_dbus_unregister_interface(connection, technology->path,
 584                                                 CONNMAN_TECHNOLOGY_INTERFACE);
 585
 586         g_slist_free(technology->device_list);
 587         g_hash_table_destroy(technology->rfkill_list);
 588
 589         g_free(technology->path);
 590         g_free(technology->regdom);
 591         g_free(technology);
 592 }
 593
 594 void __connman_technology_add_interface(enum connman_service_type type,
 595                                 int index, const char *name, const char *ident)
 596 {
 597         struct connman_technology *technology;
 598
 599         switch (type) {
 600         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 601         case CONNMAN_SERVICE_TYPE_SYSTEM:
 602                 return;
 603         case CONNMAN_SERVICE_TYPE_ETHERNET:
 604         case CONNMAN_SERVICE_TYPE_WIFI:
 605         case CONNMAN_SERVICE_TYPE_WIMAX:
 606         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 607         case CONNMAN_SERVICE_TYPE_CELLULAR:
 608         case CONNMAN_SERVICE_TYPE_GPS:
 609         case CONNMAN_SERVICE_TYPE_VPN:
 610         case CONNMAN_SERVICE_TYPE_GADGET:
 611                 break;
 612         }
 613
 614         connman_info("Create interface %s [ %s ]", name,
 615                                 __connman_service_type2string(type));
 616
 617         technology = technology_get(type);
 618
 619         if (technology == NULL || technology->driver == NULL
 620                         || technology->driver->add_interface == NULL)
 621                 return;
 622
 623         technology->driver->add_interface(technology,
 624                                         index, name, ident);
 625 }
 626
 627 void __connman_technology_remove_interface(enum connman_service_type type,
 628                                 int index, const char *name, const char *ident)
 629 {
 630         struct connman_technology *technology;
 631
 632         switch (type) {
 633         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 634         case CONNMAN_SERVICE_TYPE_SYSTEM:
 635                 return;
 636         case CONNMAN_SERVICE_TYPE_ETHERNET:
 637         case CONNMAN_SERVICE_TYPE_WIFI:
 638         case CONNMAN_SERVICE_TYPE_WIMAX:
 639         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 640         case CONNMAN_SERVICE_TYPE_CELLULAR:
 641         case CONNMAN_SERVICE_TYPE_GPS:
 642         case CONNMAN_SERVICE_TYPE_VPN:
 643         case CONNMAN_SERVICE_TYPE_GADGET:
 644                 break;
 645         }
 646
 647         connman_info("Remove interface %s [ %s ]", name,
 648                                 __connman_service_type2string(type));
 649
 650         technology = technology_find(type);
 651
 652         if (technology == NULL || technology->driver == NULL)
 653                 return;
 654
 655         if (technology->driver->remove_interface)
 656                 technology->driver->remove_interface(technology, index);
 657
 658         technology_put(technology);
 659 }
 660
 661 int __connman_technology_add_device(struct connman_device *device)
 662 {
 663         struct connman_technology *technology;
 664         enum connman_service_type type;
 665
 666         DBG("device %p", device);
 667
 668         type = __connman_device_get_service_type(device);
 669         __connman_notifier_register(type);
 670
 671         technology = technology_get(type);
 672         if (technology == NULL)
 673                 return -ENXIO;
 674
 675         if (technology->enable_persistent && !global_offlinemode)
 676                 __connman_device_enable(device);
 677         /* if technology persistent state is offline */
 678         if (!technology->enable_persistent)
 679                 __connman_device_disable(device);
 680
 681         technology->device_list = g_slist_append(technology->device_list,
 682                                                                 device);
 683
 684         return 0;
 685 }
 686
 687 int __connman_technology_remove_device(struct connman_device *device)
 688 {
 689         struct connman_technology *technology;
 690         enum connman_service_type type;
 691
 692         DBG("device %p", device);
 693
 694         type = __connman_device_get_service_type(device);
 695         __connman_notifier_unregister(type);
 696
 697         technology = technology_find(type);
 698         if (technology == NULL)
 699                 return -ENXIO;
 700
 701         technology->device_list = g_slist_remove(technology->device_list,
 702                                                                 device);
 703         if (technology->device_list == NULL) {
 704                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 705                 state_changed(technology);
 706         }
 707
 708         return 0;
 709 }
 710
 711 static gboolean technology_pending_reply(gpointer user_data)
 712 {
 713         struct connman_technology *technology = user_data;
 714         DBusMessage *reply;
 715
 716         /* Power request timedout, send ETIMEDOUT. */
 717         if (technology->pending_reply != NULL) {
 718                 reply = __connman_error_failed(technology->pending_reply, ETIMEDOUT);
 719                 if (reply != NULL)
 720                         g_dbus_send_message(connection, reply);
 721
 722                 dbus_message_unref(technology->pending_reply);
 723                 technology->pending_reply = NULL;
 724                 technology->pending_timeout = 0;
 725         }
 726
 727         return FALSE;
 728 }
 729
 730 int __connman_technology_enabled(enum connman_service_type type)
 731 {
 732         struct connman_technology *technology;
 733
 734         technology = technology_find(type);
 735         if (technology == NULL)
 736                 return -ENXIO;
 737
 738         if (g_atomic_int_exchange_and_add(&technology->enabled, 1) == 0) {
 739                 __connman_notifier_enable(type);
 740                 technology->state = CONNMAN_TECHNOLOGY_STATE_ENABLED;
 741                 state_changed(technology);
 742         }
 743
 744         if (technology->pending_reply != NULL) {
 745                 g_dbus_send_reply(connection, technology->pending_reply, DBUS_TYPE_INVALID);
 746                 dbus_message_unref(technology->pending_reply);
 747                 technology->pending_reply = NULL;
 748                 technology->pending_timeout = 0;
 749         }
 750
 751         return 0;
 752 }
 753
 754 int __connman_technology_enable(enum connman_service_type type, DBusMessage *msg)
 755 {
 756         struct connman_technology *technology;
 757         GSList *list;
 758         int err = 0;
 759         int ret = -ENODEV;
 760         DBusMessage *reply;
 761
 762         DBG("type %d enable", type);
 763
 764         technology = technology_find(type);
 765         if (technology == NULL) {
 766                 err = -ENXIO;
 767                 goto done;
 768         }
 769
 770         if (technology->pending_reply != NULL) {
 771                 err = -EBUSY;
 772                 goto done;
 773         }
 774
 775         if (msg != NULL) {
 776                 technology->pending_reply = dbus_message_ref(msg);
 777                 /*
 778                  * This is a bit of a trick. When msg is not NULL it means
 779                  * thats technology_enable was invoked from the manager API. Hence we save
 780                  * the state here.
 781                  */
 782                 technology->enable_persistent = TRUE;
 783                 __connman_storage_save_technology(technology);
 784         }
 785
 786         __connman_rfkill_block(technology->type, FALSE);
 787
 788         for (list = technology->device_list; list; list = list->next) {
 789                 struct connman_device *device = list->data;
 790
 791                 err = __connman_device_enable(device);
 792                 /*
 793                  * err = 0 : Device was enabled right away.
 794                  * If atleast one device gets enabled, we consider
 795                  * the technology to be enabled.
 796                  */
 797                 if (err == 0)
 798                         ret = 0;
 799         }
 800
 801 done:
 802         if (ret == 0)
 803                 return ret;
 804
 805         if (msg != NULL) {
 806                 if (err == -EINPROGRESS)
 807                         technology->pending_timeout = g_timeout_add_seconds(10,
 808                                         technology_pending_reply, technology);
 809                 else {
 810                         reply = __connman_error_failed(msg, -err);
 811                         if (reply != NULL)
 812                                 g_dbus_send_message(connection, reply);
 813                 }
 814         }
 815
 816         return err;
 817 }
 818
 819 int __connman_technology_disabled(enum connman_service_type type)
 820 {
 821         struct connman_technology *technology;
 822
 823         technology = technology_find(type);
 824         if (technology == NULL)
 825                 return -ENXIO;
 826
 827         if (technology->pending_reply != NULL) {
 828                 g_dbus_send_reply(connection, technology->pending_reply, DBUS_TYPE_INVALID);
 829                 dbus_message_unref(technology->pending_reply);
 830                 technology->pending_reply = NULL;
 831         }
 832
 833         if (g_atomic_int_dec_and_test(&technology->enabled) == TRUE) {
 834                 __connman_notifier_disable(type);
 835                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 836                 state_changed(technology);
 837         }
 838
 839         return 0;
 840 }
 841
 842 int __connman_technology_disable(enum connman_service_type type, DBusMessage *msg)
 843 {
 844         struct connman_technology *technology;
 845         GSList *list;
 846         int err = 0;
 847         int ret = -ENODEV;
 848         DBusMessage *reply;
 849
 850         DBG("type %d disable", type);
 851
 852         technology = technology_find(type);
 853         if (technology == NULL) {
 854                 err = -ENXIO;
 855                 goto done;
 856         }
 857
 858         if (technology->pending_reply != NULL) {
 859                 err = -EBUSY;
 860                 goto done;
 861         }
 862
 863         if (msg != NULL) {
 864                 technology->pending_reply = dbus_message_ref(msg);
 865                 technology->enable_persistent = FALSE;
 866                 __connman_storage_save_technology(technology);
 867         }
 868
 869         __connman_rfkill_block(technology->type, TRUE);
 870
 871         for (list = technology->device_list; list; list = list->next) {
 872                 struct connman_device *device = list->data;
 873
 874                 err = __connman_device_disable(device);
 875                 if (err == 0)
 876                         ret = 0;
 877         }
 878
 879 done:
 880         if (ret == 0)
 881                 return ret;
 882
 883         if (msg != NULL) {
 884                 if (err == -EINPROGRESS)
 885                         technology->pending_timeout = g_timeout_add_seconds(10,
 886                                         technology_pending_reply, technology);
 887                 else {
 888                         reply = __connman_error_failed(msg, -err);
 889                         if (reply != NULL)
 890                                 g_dbus_send_message(connection, reply);
 891                 }
 892         }
 893
 894         return err;
 895 }
 896
 897 int __connman_technology_set_offlinemode(connman_bool_t offlinemode)
 898 {
 899         GSList *list;
 900         int err = -EINVAL;
 901
 902         if (global_offlinemode == offlinemode)
 903                 return 0;
 904
 905         DBG("offlinemode %s", offlinemode ? "On" : "Off");
 906
 907         /*
 908          * This is a bit tricky. When you set offlinemode, there is no
 909          * way to differentiate between attempting offline mode and
 910          * resuming offlinemode from last saved profile. We need that
 911          * information in rfkill_update, otherwise it falls back on the
 912          * technology's persistent state. Hence we set the offline mode here
 913          * but save it & call the notifier only if its successful.
 914          */
 915
 916         global_offlinemode = offlinemode;
 917
 918         /* Traverse technology list, enable/disable each technology. */
 919         for (list = technology_list; list; list = list->next) {
 920                 struct connman_technology *technology = list->data;
 921
 922                 if (offlinemode)
 923                         err = __connman_technology_disable(technology->type, NULL);
 924
 925                 if (!offlinemode && technology->enable_persistent)
 926                         err = __connman_technology_enable(technology->type, NULL);
 927         }
 928
 929         if (err == 0 || err == -EINPROGRESS || err == -EALREADY) {
 930                 connman_technology_save_offlinemode();
 931                 __connman_notifier_offlinemode(offlinemode);
 932         } else
 933                 global_offlinemode = connman_technology_load_offlinemode();
 934
 935         return err;
 936 }
 937
 938 int __connman_technology_add_rfkill(unsigned int index,
 939                                         enum connman_service_type type,
 940                                                 connman_bool_t softblock,
 941                                                 connman_bool_t hardblock)
 942 {
 943         struct connman_technology *technology;
 944         struct connman_rfkill *rfkill;
 945
 946         DBG("index %u type %d soft %u hard %u", index, type,
 947                                                         softblock, hardblock);
 948
 949         technology = technology_get(type);
 950         if (technology == NULL)
 951                 return -ENXIO;
 952
 953         rfkill = g_try_new0(struct connman_rfkill, 1);
 954         if (rfkill == NULL)
 955                 return -ENOMEM;
 956
 957         rfkill->index = index;
 958         rfkill->type = type;
 959         rfkill->softblock = softblock;
 960         rfkill->hardblock = hardblock;
 961
 962         g_hash_table_replace(technology->rfkill_list, &rfkill->index, rfkill);
 963
 964         if (hardblock) {
 965                 DBG("%s is switched off.", get_name(type));
 966                 return 0;
 967         }
 968
 969         /*
 970          * If Offline mode is on, we softblock the device if it isnt already.
 971          * If Offline mode is off, we rely on the persistent state of tech.
 972          */
 973         if (global_offlinemode) {
 974                 if (!softblock)
 975                         return __connman_rfkill_block(type, TRUE);
 976         } else {
 977                 if (technology->enable_persistent && softblock)
 978                         return __connman_rfkill_block(type, FALSE);
 979                 /* if technology persistent state is offline */
 980                 if (!technology->enable_persistent && !softblock)
 981                         return __connman_rfkill_block(type, TRUE);
 982         }
 983
 984         return 0;
 985 }
 986
 987 int __connman_technology_update_rfkill(unsigned int index,
 988                                         enum connman_service_type type,
 989                                                 connman_bool_t softblock,
 990                                                 connman_bool_t hardblock)
 991 {
 992         struct connman_technology *technology;
 993         struct connman_rfkill *rfkill;
 994
 995         DBG("index %u soft %u hard %u", index, softblock, hardblock);
 996
 997         technology = technology_find(type);
 998         if (technology == NULL)
 999                 return -ENXIO;
1000
1001         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
1002         if (rfkill == NULL)
1003                 return -ENXIO;
1004
1005         if (rfkill->softblock == softblock &&
1006                 rfkill->hardblock == hardblock)
1007                 return 0;
1008
1009         rfkill->softblock = softblock;
1010         rfkill->hardblock = hardblock;
1011
1012         if (hardblock) {
1013                 DBG("%s is switched off.", get_name(type));
1014                 return 0;
1015         }
1016
1017         if (!global_offlinemode) {
1018                 if (technology->enable_persistent && softblock)
1019                         return __connman_rfkill_block(type, FALSE);
1020                 if (!technology->enable_persistent && !softblock)
1021                         return __connman_rfkill_block(type, TRUE);
1022         }
1023
1024         return 0;
1025 }
1026
1027 int __connman_technology_remove_rfkill(unsigned int index,
1028                                         enum connman_service_type type)
1029 {
1030         struct connman_technology *technology;
1031         struct connman_rfkill *rfkill;
1032
1033         DBG("index %u", index);
1034
1035         technology = technology_find(type);
1036         if (technology == NULL)
1037                 return -ENXIO;
1038
1039         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
1040         if (rfkill == NULL)
1041                 return -ENXIO;
1042
1043         g_hash_table_remove(technology->rfkill_list, &index);
1044
1045         technology_put(technology);
1046
1047         return 0;
1048 }
1049
1050 static int technology_load(struct connman_technology *technology)
1051 {
1052         GKeyFile *keyfile;
1053         gchar *identifier;
1054         GError *error = NULL;
1055         connman_bool_t enable;
1056
1057         DBG("technology %p", technology);
1058
1059         keyfile = __connman_storage_open_profile("default");
1060         if (keyfile == NULL)
1061                 return 0;
1062
1063         identifier = g_strdup_printf("%s", get_name(technology->type));
1064         if (identifier == NULL)
1065                 goto done;
1066
1067         enable = g_key_file_get_boolean(keyfile, identifier, "Enable", &error);
1068         if (error == NULL)
1069                 technology->enable_persistent = enable;
1070         else
1071                 technology->enable_persistent = FALSE;
1072
1073         g_clear_error(&error);
1074 done:
1075         g_free(identifier);
1076
1077         __connman_storage_close_profile("default", keyfile, FALSE);
1078
1079         return 0;
1080 }
1081
1082 static int technology_save(struct connman_technology *technology)
1083 {
1084         GKeyFile *keyfile;
1085         gchar *identifier;
1086
1087         DBG("technology %p", technology);
1088
1089         keyfile = __connman_storage_open_profile("default");
1090         if (keyfile == NULL)
1091                 return 0;
1092
1093         identifier = g_strdup_printf("%s", get_name(technology->type));
1094         if (identifier == NULL)
1095                 goto done;
1096
1097         g_key_file_set_boolean(keyfile, identifier, "Enable",
1098                                 technology->enable_persistent);
1099
1100 done:
1101         g_free(identifier);
1102
1103         __connman_storage_close_profile("default", keyfile, TRUE);
1104
1105         return 0;
1106 }
1107
1108 static struct connman_storage tech_storage = {
1109         .name           = "technology",
1110         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1111         .tech_load      = technology_load,
1112         .tech_save      = technology_save,
1113 };
1114
1115 int __connman_technology_init(void)
1116 {
1117         DBG("");
1118
1119         connection = connman_dbus_get_connection();
1120
1121         global_offlinemode = connman_technology_load_offlinemode();
1122
1123         return connman_storage_register(&tech_storage);
1124 }
1125
1126 void __connman_technology_cleanup(void)
1127 {
1128         DBG("");
1129
1130         dbus_connection_unref(connection);
1131
1132         connman_storage_unregister(&tech_storage);
1133 }