src/technology.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2013  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 bool global_offlinemode;
  45
  46 struct connman_rfkill {
  47         unsigned int index;
  48         enum connman_service_type type;
  49         bool softblock;
  50         bool hardblock;
  51 };
  52
  53 struct connman_technology {
  54         int refcount;
  55         enum connman_service_type type;
  56         char *path;
  57         GSList *device_list;
  58         bool enabled;
  59         char *regdom;
  60         bool connected;
  61
  62         bool tethering;
  63         bool tethering_persistent; /* Tells the save status, needed
  64                                               * as offline mode might set
  65                                               * tethering OFF.
  66                                               */
  67         char *tethering_ident;
  68         char *tethering_passphrase;
  69         bool tethering_hidden;
  70
  71         bool enable_persistent; /* Save the tech state */
  72
  73         GSList *driver_list;
  74
  75         DBusMessage *pending_reply;
  76         guint pending_timeout;
  77
  78         GSList *scan_pending;
  79
  80         bool rfkill_driven;
  81         bool softblocked;
  82         bool hardblocked;
  83         bool dbus_registered;
  84 };
  85
  86 static GSList *driver_list = NULL;
  87
  88 static int technology_enabled(struct connman_technology *technology);
  89 static int technology_disabled(struct connman_technology *technology);
  90
  91 static gint compare_priority(gconstpointer a, gconstpointer b)
  92 {
  93         const struct connman_technology_driver *driver1 = a;
  94         const struct connman_technology_driver *driver2 = b;
  95
  96         return driver2->priority - driver1->priority;
  97 }
  98
  99 static void rfkill_check(gpointer key, gpointer value, gpointer user_data)
 100 {
 101         struct connman_rfkill *rfkill = value;
 102         enum connman_service_type type = GPOINTER_TO_INT(user_data);
 103
 104         /* Calling _technology_rfkill_add will update the tech. */
 105         if (rfkill->type == type)
 106                 __connman_technology_add_rfkill(rfkill->index, type,
 107                                 rfkill->softblock, rfkill->hardblock);
 108 }
 109
 110 bool
 111 connman_technology_is_tethering_allowed(enum connman_service_type type)
 112 {
 113         static char *allowed_default[] = { "wifi", "bluetooth", "gadget",
 114                                            NULL };
 115         const char *type_str = __connman_service_type2string(type);
 116         char **allowed;
 117         int i;
 118
 119         if (!type_str)
 120                 return false;
 121
 122         allowed = connman_setting_get_string_list("TetheringTechnologies");
 123         if (!allowed)
 124                 allowed = allowed_default;
 125
 126         for (i = 0; allowed[i]; i++) {
 127                 if (g_strcmp0(allowed[i], type_str) == 0)
 128                         return true;
 129         }
 130
 131         return false;
 132 }
 133
 134 static const char *get_name(enum connman_service_type type)
 135 {
 136         switch (type) {
 137         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 138         case CONNMAN_SERVICE_TYPE_SYSTEM:
 139         case CONNMAN_SERVICE_TYPE_GPS:
 140         case CONNMAN_SERVICE_TYPE_VPN:
 141                 break;
 142         case CONNMAN_SERVICE_TYPE_GADGET:
 143                 return "Gadget";
 144         case CONNMAN_SERVICE_TYPE_ETHERNET:
 145                 return "Wired";
 146         case CONNMAN_SERVICE_TYPE_WIFI:
 147                 return "WiFi";
 148         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 149                 return "Bluetooth";
 150         case CONNMAN_SERVICE_TYPE_CELLULAR:
 151                 return "Cellular";
 152         case CONNMAN_SERVICE_TYPE_P2P:
 153                 return "P2P";
 154         }
 155
 156         return NULL;
 157 }
 158
 159 static void technology_save(struct connman_technology *technology)
 160 {
 161         GKeyFile *keyfile;
 162         gchar *identifier;
 163         const char *name = get_name(technology->type);
 164
 165         DBG("technology %p type %d name %s", technology, technology->type,
 166                                                                         name);
 167         if (!name)
 168                 return;
 169
 170         keyfile = __connman_storage_load_global();
 171         if (!keyfile)
 172                 keyfile = g_key_file_new();
 173
 174         identifier = g_strdup_printf("%s", name);
 175         if (!identifier)
 176                 goto done;
 177
 178         g_key_file_set_boolean(keyfile, identifier, "Enable",
 179                                 technology->enable_persistent);
 180
 181         g_key_file_set_boolean(keyfile, identifier, "Tethering",
 182                                 technology->tethering_persistent);
 183
 184         g_key_file_set_boolean(keyfile, identifier, "Hidden",
 185                                 technology->tethering_hidden);
 186
 187         if (technology->tethering_ident)
 188                 g_key_file_set_string(keyfile, identifier,
 189                                         "Tethering.Identifier",
 190                                         technology->tethering_ident);
 191
 192         if (technology->tethering_passphrase)
 193                 g_key_file_set_string(keyfile, identifier,
 194                                         "Tethering.Passphrase",
 195                                         technology->tethering_passphrase);
 196
 197 done:
 198         g_free(identifier);
 199
 200         __connman_storage_save_global(keyfile);
 201
 202         g_key_file_free(keyfile);
 203
 204         return;
 205 }
 206
 207 static void tethering_changed(struct connman_technology *technology)
 208 {
 209         dbus_bool_t tethering = technology->tethering;
 210
 211         connman_dbus_property_changed_basic(technology->path,
 212                                 CONNMAN_TECHNOLOGY_INTERFACE, "Tethering",
 213                                                 DBUS_TYPE_BOOLEAN, &tethering);
 214
 215         technology_save(technology);
 216 }
 217
 218 void connman_technology_tethering_notify(struct connman_technology *technology,
 219                                                         bool enabled)
 220 {
 221         DBG("technology %p enabled %u", technology, enabled);
 222
 223         if (technology->tethering == enabled)
 224                 return;
 225
 226         technology->tethering = enabled;
 227
 228         tethering_changed(technology);
 229
 230         if (enabled)
 231                 __connman_tethering_set_enabled();
 232         else
 233                 __connman_tethering_set_disabled();
 234 }
 235
 236 static int set_tethering(struct connman_technology *technology,
 237                                 bool enabled)
 238 {
 239         int result = -EOPNOTSUPP;
 240         int err;
 241         const char *ident, *passphrase, *bridge;
 242         GSList *tech_drivers;
 243         bool hidden;
 244
 245         ident = technology->tethering_ident;
 246         passphrase = technology->tethering_passphrase;
 247         hidden = technology->tethering_hidden;
 248
 249         __sync_synchronize();
 250         if (!technology->enabled)
 251                 return -EACCES;
 252
 253         bridge = __connman_tethering_get_bridge();
 254         if (!bridge)
 255                 return -EOPNOTSUPP;
 256
 257         if (technology->type == CONNMAN_SERVICE_TYPE_WIFI && (!ident))
 258                 return -EINVAL;
 259
 260         for (tech_drivers = technology->driver_list; tech_drivers;
 261              tech_drivers = g_slist_next(tech_drivers)) {
 262                 struct connman_technology_driver *driver = tech_drivers->data;
 263
 264                 if (!driver || !driver->set_tethering)
 265                         continue;
 266
 267                 err = driver->set_tethering(technology, ident, passphrase,
 268                                 bridge, enabled, hidden);
 269
 270                 if (result == -EINPROGRESS)
 271                         continue;
 272
 273                 if (err == -EINPROGRESS || err == 0) {
 274                         result = err;
 275                         continue;
 276                 }
 277         }
 278
 279         return result;
 280 }
 281
 282 void connman_technology_regdom_notify(struct connman_technology *technology,
 283                                                         const char *alpha2)
 284 {
 285         DBG("");
 286
 287         if (!alpha2)
 288                 connman_error("Failed to set regulatory domain");
 289         else
 290                 DBG("Regulatory domain set to %s", alpha2);
 291
 292         g_free(technology->regdom);
 293         technology->regdom = g_strdup(alpha2);
 294 }
 295
 296 static int set_regdom_by_device(struct connman_technology *technology,
 297                                                         const char *alpha2)
 298 {
 299         GSList *list;
 300
 301         for (list = technology->device_list; list; list = list->next) {
 302                 struct connman_device *device = list->data;
 303
 304                 if (connman_device_set_regdom(device, alpha2) != 0)
 305                         return -ENOTSUP;
 306         }
 307
 308         return 0;
 309 }
 310
 311 int connman_technology_set_regdom(const char *alpha2)
 312 {
 313         GSList *list, *tech_drivers;
 314
 315         for (list = technology_list; list; list = list->next) {
 316                 struct connman_technology *technology = list->data;
 317
 318                 if (set_regdom_by_device(technology, alpha2) != 0) {
 319
 320                         for (tech_drivers = technology->driver_list;
 321                              tech_drivers;
 322                              tech_drivers = g_slist_next(tech_drivers)) {
 323
 324                                 struct connman_technology_driver *driver =
 325                                         tech_drivers->data;
 326
 327                                 if (driver->set_regdom)
 328                                         driver->set_regdom(technology, alpha2);
 329                         }
 330                 }
 331         }
 332
 333         return 0;
 334 }
 335
 336 static struct connman_technology *technology_find(enum connman_service_type type)
 337 {
 338         GSList *list;
 339
 340         DBG("type %d", type);
 341
 342         for (list = technology_list; list; list = list->next) {
 343                 struct connman_technology *technology = list->data;
 344
 345                 if (technology->type == type)
 346                         return technology;
 347         }
 348
 349         return NULL;
 350 }
 351
 352 bool connman_technology_get_wifi_tethering(const char **ssid,
 353                                                         const char **psk)
 354 {
 355         struct connman_technology *technology;
 356
 357         if (!ssid || !psk)
 358                 return false;
 359
 360         *ssid = *psk = NULL;
 361
 362         technology = technology_find(CONNMAN_SERVICE_TYPE_WIFI);
 363         if (!technology)
 364                 return false;
 365
 366         if (!technology->tethering)
 367                 return false;
 368
 369         *ssid = technology->tethering_ident;
 370         *psk = technology->tethering_passphrase;
 371
 372         return true;
 373 }
 374
 375 static void free_rfkill(gpointer data)
 376 {
 377         struct connman_rfkill *rfkill = data;
 378
 379         g_free(rfkill);
 380 }
 381
 382 static void technology_load(struct connman_technology *technology)
 383 {
 384         GKeyFile *keyfile;
 385         gchar *identifier;
 386         GError *error = NULL;
 387         bool enable, need_saving = false;
 388
 389         DBG("technology %p", technology);
 390
 391         keyfile = __connman_storage_load_global();
 392         /* Fallback on disabling technology if file not found. */
 393         if (!keyfile) {
 394                 if (technology->type == CONNMAN_SERVICE_TYPE_ETHERNET)
 395                         /* We enable ethernet by default */
 396                         technology->enable_persistent = true;
 397                 else
 398                         technology->enable_persistent = false;
 399                 return;
 400         }
 401
 402         identifier = g_strdup_printf("%s", get_name(technology->type));
 403         if (!identifier)
 404                 goto done;
 405
 406         enable = g_key_file_get_boolean(keyfile, identifier, "Enable", &error);
 407         if (!error)
 408                 technology->enable_persistent = enable;
 409         else {
 410                 if (technology->type == CONNMAN_SERVICE_TYPE_ETHERNET)
 411                         technology->enable_persistent = true;
 412                 else
 413                         technology->enable_persistent = false;
 414
 415                 need_saving = true;
 416                 g_clear_error(&error);
 417         }
 418
 419         enable = g_key_file_get_boolean(keyfile, identifier,
 420                                         "Tethering", &error);
 421         if (!error)
 422                 technology->tethering_persistent = enable;
 423         else {
 424                 need_saving = true;
 425                 g_clear_error(&error);
 426         }
 427
 428         if (need_saving)
 429                 technology_save(technology);
 430
 431         technology->tethering_ident = g_key_file_get_string(keyfile,
 432                                 identifier, "Tethering.Identifier", NULL);
 433
 434         technology->tethering_passphrase = g_key_file_get_string(keyfile,
 435                                 identifier, "Tethering.Passphrase", NULL);
 436 done:
 437         g_free(identifier);
 438
 439         g_key_file_free(keyfile);
 440
 441         return;
 442 }
 443
 444 bool __connman_technology_get_offlinemode(void)
 445 {
 446         return global_offlinemode;
 447 }
 448
 449 static void connman_technology_save_offlinemode(void)
 450 {
 451         GKeyFile *keyfile;
 452
 453         keyfile = __connman_storage_load_global();
 454         if (!keyfile)
 455                 keyfile = g_key_file_new();
 456
 457         g_key_file_set_boolean(keyfile, "global",
 458                                         "OfflineMode", global_offlinemode);
 459
 460         __connman_storage_save_global(keyfile);
 461
 462         g_key_file_free(keyfile);
 463
 464         return;
 465 }
 466
 467 static bool connman_technology_load_offlinemode(void)
 468 {
 469         GKeyFile *keyfile;
 470         GError *error = NULL;
 471         bool offlinemode;
 472
 473         /* If there is a error, we enable offlinemode */
 474         keyfile = __connman_storage_load_global();
 475         if (!keyfile)
 476                 return false;
 477
 478         offlinemode = g_key_file_get_boolean(keyfile, "global",
 479                                                 "OfflineMode", &error);
 480         if (error) {
 481                 offlinemode = false;
 482                 g_clear_error(&error);
 483         }
 484
 485         g_key_file_free(keyfile);
 486
 487         return offlinemode;
 488 }
 489
 490 static void append_properties(DBusMessageIter *iter,
 491                 struct connman_technology *technology)
 492 {
 493         DBusMessageIter dict;
 494         dbus_bool_t val;
 495         const char *str;
 496
 497         connman_dbus_dict_open(iter, &dict);
 498
 499         str = get_name(technology->type);
 500         if (str)
 501                 connman_dbus_dict_append_basic(&dict, "Name",
 502                                                 DBUS_TYPE_STRING, &str);
 503
 504         str = __connman_service_type2string(technology->type);
 505         if (str)
 506                 connman_dbus_dict_append_basic(&dict, "Type",
 507                                                 DBUS_TYPE_STRING, &str);
 508
 509         __sync_synchronize();
 510         val = technology->enabled;
 511         connman_dbus_dict_append_basic(&dict, "Powered",
 512                                         DBUS_TYPE_BOOLEAN,
 513                                         &val);
 514
 515         val = technology->connected;
 516         connman_dbus_dict_append_basic(&dict, "Connected",
 517                                         DBUS_TYPE_BOOLEAN,
 518                                         &val);
 519
 520         val = technology->tethering;
 521         connman_dbus_dict_append_basic(&dict, "Tethering",
 522                                         DBUS_TYPE_BOOLEAN,
 523                                         &val);
 524
 525         if (technology->tethering_ident)
 526                 connman_dbus_dict_append_basic(&dict, "TetheringIdentifier",
 527                                         DBUS_TYPE_STRING,
 528                                         &technology->tethering_ident);
 529
 530         if (technology->tethering_passphrase)
 531                 connman_dbus_dict_append_basic(&dict, "TetheringPassphrase",
 532                                         DBUS_TYPE_STRING,
 533                                         &technology->tethering_passphrase);
 534
 535         val = technology->tethering_hidden;
 536         connman_dbus_dict_append_basic(&dict, "Hidden",
 537                                         DBUS_TYPE_BOOLEAN,
 538                                         &val);
 539
 540         connman_dbus_dict_close(iter, &dict);
 541 }
 542
 543 static void technology_added_signal(struct connman_technology *technology)
 544 {
 545         DBusMessage *signal;
 546         DBusMessageIter iter;
 547
 548         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 549                         CONNMAN_MANAGER_INTERFACE, "TechnologyAdded");
 550         if (!signal)
 551                 return;
 552
 553         dbus_message_iter_init_append(signal, &iter);
 554         dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH,
 555                                                         &technology->path);
 556         append_properties(&iter, technology);
 557
 558         dbus_connection_send(connection, signal, NULL);
 559         dbus_message_unref(signal);
 560 }
 561
 562 static void technology_removed_signal(struct connman_technology *technology)
 563 {
 564         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 565                         CONNMAN_MANAGER_INTERFACE, "TechnologyRemoved",
 566                         DBUS_TYPE_OBJECT_PATH, &technology->path,
 567                         DBUS_TYPE_INVALID);
 568 }
 569
 570 static DBusMessage *get_properties(DBusConnection *conn,
 571                                         DBusMessage *message, void *user_data)
 572 {
 573         struct connman_technology *technology = user_data;
 574         DBusMessage *reply;
 575         DBusMessageIter iter;
 576
 577         reply = dbus_message_new_method_return(message);
 578         if (!reply)
 579                 return NULL;
 580
 581         dbus_message_iter_init_append(reply, &iter);
 582         append_properties(&iter, technology);
 583
 584         return reply;
 585 }
 586
 587 void __connman_technology_list_struct(DBusMessageIter *array)
 588 {
 589         GSList *list;
 590         DBusMessageIter entry;
 591
 592         for (list = technology_list; list; list = list->next) {
 593                 struct connman_technology *technology = list->data;
 594
 595                 if (!technology->path ||
 596                                 (technology->rfkill_driven &&
 597                                  technology->hardblocked))
 598                         continue;
 599
 600                 dbus_message_iter_open_container(array, DBUS_TYPE_STRUCT,
 601                                 NULL, &entry);
 602                 dbus_message_iter_append_basic(&entry, DBUS_TYPE_OBJECT_PATH,
 603                                 &technology->path);
 604                 append_properties(&entry, technology);
 605                 dbus_message_iter_close_container(array, &entry);
 606         }
 607 }
 608
 609 static gboolean technology_pending_reply(gpointer user_data)
 610 {
 611         struct connman_technology *technology = user_data;
 612         DBusMessage *reply;
 613
 614         /* Power request timedout, send ETIMEDOUT. */
 615         if (technology->pending_reply) {
 616                 reply = __connman_error_failed(technology->pending_reply, ETIMEDOUT);
 617                 if (reply)
 618                         g_dbus_send_message(connection, reply);
 619
 620                 dbus_message_unref(technology->pending_reply);
 621                 technology->pending_reply = NULL;
 622                 technology->pending_timeout = 0;
 623         }
 624
 625         return FALSE;
 626 }
 627
 628 static int technology_affect_devices(struct connman_technology *technology,
 629                                                 bool enable_device)
 630 {
 631         int err = 0, err_dev;
 632         GSList *list;
 633
 634         if (technology->type == CONNMAN_SERVICE_TYPE_P2P) {
 635                 if (enable_device)
 636                         __connman_technology_enabled(technology->type);
 637                 else
 638                         __connman_technology_disabled(technology->type);
 639                 return 0;
 640         }
 641
 642         for (list = technology->device_list; list; list = list->next) {
 643                 struct connman_device *device = list->data;
 644
 645                 if (enable_device)
 646                         err_dev = __connman_device_enable(device);
 647                 else
 648                         err_dev = __connman_device_disable(device);
 649
 650                 if (err_dev < 0 && err_dev != -EALREADY)
 651                         err = err_dev;
 652         }
 653
 654         return err;
 655 }
 656
 657 static void powered_changed(struct connman_technology *technology)
 658 {
 659         dbus_bool_t enabled;
 660
 661         if (!technology->dbus_registered)
 662                 return;
 663
 664         if (technology->pending_reply) {
 665                 g_dbus_send_reply(connection,
 666                                 technology->pending_reply, DBUS_TYPE_INVALID);
 667                 dbus_message_unref(technology->pending_reply);
 668                 technology->pending_reply = NULL;
 669
 670                 g_source_remove(technology->pending_timeout);
 671                 technology->pending_timeout = 0;
 672         }
 673
 674         __sync_synchronize();
 675         enabled = technology->enabled;
 676 #if defined TIZEN_EXT
 677         DBG("ConnMan, Powered : %s, %s",
 678                         enabled ? "TRUE" : "FALSE",technology->path);
 679 #endif
 680         connman_dbus_property_changed_basic(technology->path,
 681                         CONNMAN_TECHNOLOGY_INTERFACE, "Powered",
 682                         DBUS_TYPE_BOOLEAN, &enabled);
 683 }
 684
 685 static void enable_tethering(struct connman_technology *technology)
 686 {
 687         int ret;
 688
 689         if (!connman_setting_get_bool("PersistentTetheringMode"))
 690                 return;
 691
 692         ret = set_tethering(technology, true);
 693         if (ret < 0 && ret != -EALREADY)
 694                 DBG("Cannot enable tethering yet for %s (%d/%s)",
 695                         get_name(technology->type),
 696                         -ret, strerror(-ret));
 697 }
 698
 699 static int technology_enabled(struct connman_technology *technology)
 700 {
 701         __sync_synchronize();
 702         if (technology->enabled)
 703                 return -EALREADY;
 704
 705         technology->enabled = true;
 706
 707         if (technology->type == CONNMAN_SERVICE_TYPE_WIFI) {
 708                 struct connman_technology *p2p;
 709
 710                 p2p = technology_find(CONNMAN_SERVICE_TYPE_P2P);
 711                 if (p2p && !p2p->enabled && p2p->enable_persistent)
 712                         technology_enabled(p2p);
 713         }
 714
 715         if (technology->tethering_persistent)
 716                 enable_tethering(technology);
 717
 718         powered_changed(technology);
 719
 720         return 0;
 721 }
 722
 723 static int technology_enable(struct connman_technology *technology)
 724 {
 725         int err = 0;
 726         int err_dev;
 727
 728         DBG("technology %p enable", technology);
 729
 730         __sync_synchronize();
 731
 732         if (technology->type == CONNMAN_SERVICE_TYPE_P2P) {
 733                 struct connman_technology *wifi;
 734
 735                 wifi = technology_find(CONNMAN_SERVICE_TYPE_WIFI);
 736                 if (wifi && wifi->enabled)
 737                         return technology_enabled(technology);
 738                 return 0;
 739         }
 740
 741         if (technology->enabled)
 742                 return -EALREADY;
 743
 744         if (technology->pending_reply)
 745                 return -EBUSY;
 746
 747         if (connman_setting_get_bool("PersistentTetheringMode") &&
 748                                         technology->tethering)
 749                 set_tethering(technology, true);
 750
 751         if (technology->rfkill_driven)
 752                 err = __connman_rfkill_block(technology->type, false);
 753
 754         err_dev = technology_affect_devices(technology, true);
 755
 756         if (!technology->rfkill_driven)
 757                 err = err_dev;
 758
 759         return err;
 760 }
 761
 762 static int technology_disabled(struct connman_technology *technology)
 763 {
 764         __sync_synchronize();
 765         if (!technology->enabled)
 766                 return -EALREADY;
 767
 768         technology->enabled = false;
 769
 770         powered_changed(technology);
 771
 772         return 0;
 773 }
 774
 775 static int technology_disable(struct connman_technology *technology)
 776 {
 777         int err;
 778
 779         DBG("technology %p disable", technology);
 780
 781         __sync_synchronize();
 782
 783         if (technology->type == CONNMAN_SERVICE_TYPE_P2P) {
 784                 technology->enable_persistent = false;
 785                 return technology_disabled(technology);
 786         } else if (technology->type == CONNMAN_SERVICE_TYPE_WIFI) {
 787                 struct connman_technology *p2p;
 788
 789                 p2p = technology_find(CONNMAN_SERVICE_TYPE_P2P);
 790                 if (p2p && p2p->enabled) {
 791                         p2p->enable_persistent = true;
 792                         technology_disabled(p2p);
 793                 }
 794         }
 795
 796         if (!technology->enabled)
 797                 return -EALREADY;
 798
 799         if (technology->pending_reply)
 800                 return -EBUSY;
 801
 802         if (technology->tethering)
 803                 set_tethering(technology, false);
 804
 805         err = technology_affect_devices(technology, false);
 806
 807         if (technology->rfkill_driven)
 808                 err = __connman_rfkill_block(technology->type, true);
 809
 810         return err;
 811 }
 812
 813 static DBusMessage *set_powered(struct connman_technology *technology,
 814                                 DBusMessage *msg, bool powered)
 815 {
 816         DBusMessage *reply = NULL;
 817         int err = 0;
 818
 819         if (technology->rfkill_driven && technology->hardblocked) {
 820                 err = -EACCES;
 821                 goto make_reply;
 822         }
 823
 824         if (powered)
 825                 err = technology_enable(technology);
 826         else
 827                 err = technology_disable(technology);
 828
 829         if (err != -EBUSY) {
 830                 technology->enable_persistent = powered;
 831                 technology_save(technology);
 832         }
 833
 834 make_reply:
 835         if (err == -EINPROGRESS) {
 836                 technology->pending_reply = dbus_message_ref(msg);
 837                 technology->pending_timeout = g_timeout_add_seconds(10,
 838                                         technology_pending_reply, technology);
 839         } else if (err == -EALREADY) {
 840                 if (powered)
 841                         reply = __connman_error_already_enabled(msg);
 842                 else
 843                         reply = __connman_error_already_disabled(msg);
 844         } else if (err < 0)
 845                 reply = __connman_error_failed(msg, -err);
 846         else
 847                 reply = g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 848
 849         return reply;
 850 }
 851
 852 static DBusMessage *set_property(DBusConnection *conn,
 853                                         DBusMessage *msg, void *data)
 854 {
 855         struct connman_technology *technology = data;
 856         DBusMessageIter iter, value;
 857         const char *name;
 858         int type;
 859
 860         DBG("conn %p", conn);
 861
 862         if (!dbus_message_iter_init(msg, &iter))
 863                 return __connman_error_invalid_arguments(msg);
 864
 865         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
 866                 return __connman_error_invalid_arguments(msg);
 867
 868         dbus_message_iter_get_basic(&iter, &name);
 869         dbus_message_iter_next(&iter);
 870
 871         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
 872                 return __connman_error_invalid_arguments(msg);
 873
 874         dbus_message_iter_recurse(&iter, &value);
 875
 876         type = dbus_message_iter_get_arg_type(&value);
 877
 878         DBG("property %s", name);
 879
 880         if (technology->type == CONNMAN_SERVICE_TYPE_WIFI && technology->connected) {
 881                 uid_t uid;
 882                 if (connman_dbus_get_connection_unix_user_sync(conn,
 883                                                 dbus_message_get_sender(msg),
 884                                                 &uid) < 0) {
 885                         DBG("Can not get unix user id!");
 886                         return __connman_error_permission_denied(msg);
 887                 }
 888
 889                 if (!__connman_service_is_user_allowed(CONNMAN_SERVICE_TYPE_WIFI, uid)) {
 890                         DBG("Not allow this user to operate wifi technology now!");
 891                         return __connman_error_permission_denied(msg);
 892                 }
 893         }
 894
 895         if (g_str_equal(name, "Tethering")) {
 896                 dbus_bool_t tethering;
 897                 int err;
 898
 899                 if (type != DBUS_TYPE_BOOLEAN)
 900                         return __connman_error_invalid_arguments(msg);
 901
 902                 if (!connman_technology_is_tethering_allowed(technology->type)) {
 903                         DBG("%s tethering not allowed by config file",
 904                                 __connman_service_type2string(technology->type));
 905                         return __connman_error_not_supported(msg);
 906                 }
 907
 908                 dbus_message_iter_get_basic(&value, &tethering);
 909
 910                 if (technology->tethering == tethering) {
 911                         if (!tethering)
 912                                 return __connman_error_already_disabled(msg);
 913                         else
 914                                 return __connman_error_already_enabled(msg);
 915                 }
 916
 917                 err = set_tethering(technology, tethering);
 918                 if (err < 0)
 919                         return __connman_error_failed(msg, -err);
 920
 921                 technology->tethering_persistent = tethering;
 922
 923                 technology_save(technology);
 924
 925         } else if (g_str_equal(name, "TetheringIdentifier")) {
 926                 const char *str;
 927
 928                 dbus_message_iter_get_basic(&value, &str);
 929
 930                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 931                         return __connman_error_not_supported(msg);
 932
 933                 if (strlen(str) < 1 || strlen(str) > 32)
 934                         return __connman_error_invalid_arguments(msg);
 935
 936                 if (g_strcmp0(technology->tethering_ident, str) != 0) {
 937                         g_free(technology->tethering_ident);
 938                         technology->tethering_ident = g_strdup(str);
 939                         technology_save(technology);
 940
 941                         connman_dbus_property_changed_basic(technology->path,
 942                                                 CONNMAN_TECHNOLOGY_INTERFACE,
 943                                                 "TetheringIdentifier",
 944                                                 DBUS_TYPE_STRING,
 945                                                 &technology->tethering_ident);
 946                 }
 947         } else if (g_str_equal(name, "TetheringPassphrase")) {
 948                 const char *str;
 949
 950                 dbus_message_iter_get_basic(&value, &str);
 951
 952                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 953                         return __connman_error_not_supported(msg);
 954
 955                 if (strlen(str) < 8 || strlen(str) > 63) {
 956                         if (g_str_equal(str, "")) {
 957                                 technology->tethering_passphrase = NULL;
 958
 959                                 connman_dbus_property_changed_basic(technology->path,
 960                                                 CONNMAN_TECHNOLOGY_INTERFACE,
 961                                                 "TetheringPassphrase",
 962                                                 DBUS_TYPE_STRING,
 963                                                 &str);
 964                         }
 965                         else
 966                                 return __connman_error_passphrase_required(msg);
 967                 } else {
 968                         if (g_strcmp0(technology->tethering_passphrase, str) != 0) {
 969                                 g_free(technology->tethering_passphrase);
 970                                 technology->tethering_passphrase = g_strdup(str);
 971                                 technology_save(technology);
 972
 973                                 connman_dbus_property_changed_basic(technology->path,
 974                                                 CONNMAN_TECHNOLOGY_INTERFACE,
 975                                                 "TetheringPassphrase",
 976                                                 DBUS_TYPE_STRING,
 977                                                 &technology->tethering_passphrase);
 978                         }
 979                 }
 980         } else if (g_str_equal(name, "Hidden")) {
 981                 dbus_bool_t hidden;
 982
 983                 if (type != DBUS_TYPE_BOOLEAN)
 984                         return __connman_error_invalid_arguments(msg);
 985
 986                 dbus_message_iter_get_basic(&value, &hidden);
 987
 988                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 989                         return __connman_error_not_supported(msg);
 990
 991                 technology->tethering_hidden = hidden;
 992                 technology_save(technology);
 993
 994                 connman_dbus_property_changed_basic(technology->path,
 995                                         CONNMAN_TECHNOLOGY_INTERFACE,
 996                                         "Hidden",
 997                                         DBUS_TYPE_BOOLEAN,
 998                                         &hidden);
 999         } else if (g_str_equal(name, "Powered")) {
1000                 dbus_bool_t enable;
1001
1002                 if (type != DBUS_TYPE_BOOLEAN)
1003                         return __connman_error_invalid_arguments(msg);
1004
1005                 dbus_message_iter_get_basic(&value, &enable);
1006
1007                 return set_powered(technology, msg, enable);
1008         } else
1009                 return __connman_error_invalid_property(msg);
1010
1011         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1012 }
1013
1014 static void reply_scan_pending(struct connman_technology *technology, int err)
1015 {
1016         DBusMessage *reply;
1017
1018         DBG("technology %p err %d", technology, err);
1019
1020         while (technology->scan_pending) {
1021                 DBusMessage *msg = technology->scan_pending->data;
1022
1023                 DBG("reply to %s", dbus_message_get_sender(msg));
1024
1025                 if (err == 0)
1026                         reply = g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
1027                 else
1028                         reply = __connman_error_failed(msg, -err);
1029                 g_dbus_send_message(connection, reply);
1030                 dbus_message_unref(msg);
1031
1032                 technology->scan_pending =
1033                         g_slist_delete_link(technology->scan_pending,
1034                                         technology->scan_pending);
1035         }
1036 }
1037
1038 #if defined TIZEN_EXT
1039 dbus_bool_t __connman_technology_notify_scan_changed(const char *key, void *val)
1040 {
1041         DBG("key %s", key);
1042         DBusMessage *signal;
1043         DBusMessageIter iter;
1044         dbus_bool_t result = FALSE;
1045
1046         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1047                         CONNMAN_MANAGER_INTERFACE, "ScanChanged");
1048         if (!signal)
1049                 return result;
1050
1051         dbus_message_iter_init_append(signal, &iter);
1052         connman_dbus_property_append_basic(&iter, key, DBUS_TYPE_BOOLEAN, val);
1053
1054         result = dbus_connection_send(connection, signal, NULL);
1055         dbus_message_unref(signal);
1056
1057         DBG("Successfuly sent signal");
1058
1059         return result;
1060 }
1061 #endif
1062
1063 void __connman_technology_scan_started(struct connman_device *device)
1064 {
1065         DBG("device %p", device);
1066 #if defined TIZEN_EXT
1067         dbus_bool_t status = 1;
1068         __connman_technology_notify_scan_changed("scan_started", &status);
1069 #endif
1070 }
1071
1072 void __connman_technology_scan_stopped(struct connman_device *device,
1073                                         enum connman_service_type type)
1074 {
1075         int count = 0;
1076         struct connman_technology *technology;
1077         GSList *list;
1078
1079         technology = technology_find(type);
1080
1081         DBG("technology %p device %p", technology, device);
1082
1083         if (!technology)
1084                 return;
1085
1086         for (list = technology->device_list; list; list = list->next) {
1087                 struct connman_device *other_device = list->data;
1088
1089                 if (device == other_device)
1090                         continue;
1091
1092                 if (__connman_device_get_service_type(other_device) != type)
1093                         continue;
1094
1095                 if (connman_device_get_scanning(other_device))
1096                         count += 1;
1097         }
1098
1099 #if defined TIZEN_EXT
1100         if (count == 0) {
1101                 DBusMessage *signal;
1102                 dbus_bool_t status = 0;
1103                 __connman_technology_notify_scan_changed("scan_done", &status);
1104
1105                 signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1106                                                                                 CONNMAN_MANAGER_INTERFACE, "ScanDone");
1107                 if (!signal)
1108                         return;
1109
1110                 dbus_connection_send(connection, signal, NULL);
1111                 dbus_message_unref(signal);
1112                 reply_scan_pending(technology, 0);
1113         }
1114 #else
1115         if (count == 0)
1116                 reply_scan_pending(technology, 0);
1117 #endif
1118 }
1119
1120 void __connman_technology_notify_regdom_by_device(struct connman_device *device,
1121                                                 int result, const char *alpha2)
1122 {
1123         bool regdom_set = false;
1124         struct connman_technology *technology;
1125         enum connman_service_type type;
1126         GSList *tech_drivers;
1127
1128         type = __connman_device_get_service_type(device);
1129         technology = technology_find(type);
1130
1131         if (!technology)
1132                 return;
1133
1134         if (result < 0) {
1135
1136                 for (tech_drivers = technology->driver_list;
1137                      tech_drivers;
1138                      tech_drivers = g_slist_next(tech_drivers)) {
1139                         struct connman_technology_driver *driver =
1140                                 tech_drivers->data;
1141
1142                         if (driver->set_regdom) {
1143                                 driver->set_regdom(technology, alpha2);
1144                                 regdom_set = true;
1145                         }
1146
1147                 }
1148
1149                 if (!regdom_set)
1150                         alpha2 = NULL;
1151         }
1152
1153         connman_technology_regdom_notify(technology, alpha2);
1154 }
1155
1156 static DBusMessage *scan(DBusConnection *conn, DBusMessage *msg, void *data)
1157 {
1158         struct connman_technology *technology = data;
1159         int err;
1160
1161         DBG("technology %p request from %s", technology,
1162                         dbus_message_get_sender(msg));
1163
1164         dbus_message_ref(msg);
1165         technology->scan_pending =
1166                 g_slist_prepend(technology->scan_pending, msg);
1167
1168         err = __connman_device_request_scan(technology->type);
1169         if (err < 0)
1170                 reply_scan_pending(technology, err);
1171
1172         return NULL;
1173 }
1174
1175 #if defined TIZEN_EXT
1176 static DBusMessage *specific_scan(DBusConnection *conn, DBusMessage *msg, void *data)
1177 {
1178         struct connman_technology *technology = data;
1179         GSList *specific_scan_list = NULL;
1180         int scan_type = 0;
1181         const char *name = NULL;
1182         unsigned int freq = 0;
1183         DBusMessageIter iter, dict;
1184         int err;
1185
1186         DBG("technology %p request from %s", technology,
1187                         dbus_message_get_sender(msg));
1188
1189         if (!dbus_message_iter_init(msg, &iter))
1190                 return __connman_error_invalid_arguments(msg);
1191
1192         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY)
1193                 return __connman_error_invalid_arguments(msg);
1194
1195         dbus_message_iter_recurse(&iter, &dict);
1196         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1197                 DBusMessageIter entry, value2;
1198                 const char *key;
1199                 int type;
1200
1201                 dbus_message_iter_recurse(&dict, &entry);
1202                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1203                         return __connman_error_invalid_arguments(msg);
1204
1205                 dbus_message_iter_get_basic(&entry, &key);
1206                 dbus_message_iter_next(&entry);
1207
1208                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
1209                         return __connman_error_invalid_arguments(msg);
1210
1211                 dbus_message_iter_recurse(&entry, &value2);
1212                 type = dbus_message_iter_get_arg_type(&value2);
1213                 if (g_str_equal(key, "SSID")) {
1214                         if (type != DBUS_TYPE_STRING)
1215                                 return __connman_error_invalid_arguments(msg);
1216
1217                         scan_type = 1; /* SSID based scan */
1218                         dbus_message_iter_get_basic(&value2, &name);
1219                         DBG("name %s", name);
1220                         specific_scan_list = g_slist_append(specific_scan_list, g_strdup(name));
1221                 } else if (g_str_equal(key, "Frequency")) {
1222                         if (type != DBUS_TYPE_UINT16) {
1223                                 g_slist_free_full(specific_scan_list, g_free);
1224                                 return __connman_error_invalid_arguments(msg);
1225                         }
1226
1227                         scan_type = 2; /* Frequency based scan */
1228                         dbus_message_iter_get_basic(&value2, &freq);
1229                         DBG("freq %d", freq);
1230                         specific_scan_list = g_slist_append(specific_scan_list, GINT_TO_POINTER(freq));
1231                 }
1232                 dbus_message_iter_next(&dict);
1233         }
1234
1235         dbus_message_ref(msg);
1236         technology->scan_pending =
1237                 g_slist_prepend(technology->scan_pending, msg);
1238
1239         err = __connman_device_request_specific_scan(technology->type, scan_type, specific_scan_list);
1240         if (err < 0)
1241                 reply_scan_pending(technology, err);
1242
1243         g_slist_free_full(specific_scan_list, g_free);
1244         return NULL;
1245 }
1246
1247 static DBusMessage *get_scan_state(DBusConnection *conn, DBusMessage *msg, void *data)
1248 {
1249         DBusMessage *reply;
1250         DBusMessageIter iter, dict;
1251         GSList *list;
1252         struct connman_technology *technology = data;
1253         dbus_bool_t scanning = false;
1254
1255         DBG("technology %p", technology);
1256
1257         for (list = technology->device_list; list; list = list->next) {
1258                 struct connman_device *device = list->data;
1259                 scanning = connman_device_get_scanning(device);
1260                 if(scanning)
1261                         break;
1262         }
1263
1264         DBG("scanning : %d", scanning);
1265         reply = dbus_message_new_method_return(msg);
1266         if (!reply)
1267                 return NULL;
1268
1269         dbus_message_iter_init_append(reply, &iter);
1270
1271         connman_dbus_dict_open(&iter, &dict);
1272         connman_dbus_dict_append_basic(&dict, "Scanstate",
1273                                         DBUS_TYPE_BOOLEAN,
1274                                         &scanning);
1275
1276         connman_dbus_dict_close(&iter, &dict);
1277
1278         return reply;
1279 }
1280 #endif
1281
1282 static const GDBusMethodTable technology_methods[] = {
1283         { GDBUS_DEPRECATED_METHOD("GetProperties",
1284                         NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
1285                         get_properties) },
1286         { GDBUS_ASYNC_METHOD("SetProperty",
1287                         GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
1288                         NULL, set_property) },
1289         { GDBUS_ASYNC_METHOD("Scan", NULL, NULL, scan) },
1290         { GDBUS_ASYNC_METHOD("SpecificScan", GDBUS_ARGS({ "specificscan", "a{sv}" }),
1291                         NULL, specific_scan) },
1292 #if defined TIZEN_EXT
1293         { GDBUS_METHOD("GetScanState", NULL, GDBUS_ARGS({ "scan_state", "a{sv}" }),
1294                         get_scan_state) },
1295 #endif
1296         { },
1297 };
1298
1299 static const GDBusSignalTable technology_signals[] = {
1300         { GDBUS_SIGNAL("PropertyChanged",
1301                         GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
1302         { GDBUS_SIGNAL("DhcpConnected",
1303                         GDBUS_ARGS({ "aptype", "s" },
1304                                 { "ipaddr", "s" },
1305                                 { "macaddr", "s" },
1306                                 { "hostname", "s" })) },
1307         { GDBUS_SIGNAL("DhcpLeaseDeleted",
1308                         GDBUS_ARGS({ "aptype", "s" },
1309                                 { "ipaddr", "s" },
1310                                 { "macaddr", "s" },
1311                                 { "hostname", "s" })) },
1312         { },
1313 };
1314
1315 static bool technology_dbus_register(struct connman_technology *technology)
1316 {
1317         if (technology->dbus_registered ||
1318                                 (technology->rfkill_driven &&
1319                                  technology->hardblocked))
1320                 return true;
1321
1322         if (!g_dbus_register_interface(connection, technology->path,
1323                                         CONNMAN_TECHNOLOGY_INTERFACE,
1324                                         technology_methods, technology_signals,
1325                                         NULL, technology, NULL)) {
1326                 connman_error("Failed to register %s", technology->path);
1327                 return false;
1328         }
1329
1330         technology_added_signal(technology);
1331         technology->dbus_registered = true;
1332
1333         return true;
1334 }
1335
1336 static void technology_dbus_unregister(struct connman_technology *technology)
1337 {
1338         if (!technology->dbus_registered)
1339                 return;
1340
1341         technology_removed_signal(technology);
1342         g_dbus_unregister_interface(connection, technology->path,
1343                 CONNMAN_TECHNOLOGY_INTERFACE);
1344
1345         technology->dbus_registered = false;
1346 }
1347
1348 static void technology_put(struct connman_technology *technology)
1349 {
1350         DBG("technology %p", technology);
1351
1352         if (__sync_sub_and_fetch(&technology->refcount, 1) > 0)
1353                 return;
1354
1355         reply_scan_pending(technology, -EINTR);
1356
1357         while (technology->driver_list) {
1358                 struct connman_technology_driver *driver;
1359
1360                 driver = technology->driver_list->data;
1361
1362                 if (driver->remove)
1363                         driver->remove(technology);
1364
1365                 technology->driver_list =
1366                         g_slist_delete_link(technology->driver_list,
1367                                         technology->driver_list);
1368         }
1369
1370         technology_list = g_slist_remove(technology_list, technology);
1371
1372         technology_dbus_unregister(technology);
1373
1374         g_slist_free(technology->device_list);
1375
1376         g_free(technology->path);
1377         g_free(technology->regdom);
1378         g_free(technology->tethering_ident);
1379         g_free(technology->tethering_passphrase);
1380         g_free(technology);
1381 }
1382
1383 static struct connman_technology *technology_get(enum connman_service_type type)
1384 {
1385         GSList *tech_drivers = NULL;
1386         struct connman_technology_driver *driver;
1387         struct connman_technology *technology;
1388         const char *str;
1389         GSList *list;
1390
1391         DBG("type %d", type);
1392
1393         str = __connman_service_type2string(type);
1394         if (!str)
1395                 return NULL;
1396
1397         technology = technology_find(type);
1398         if (technology) {
1399                 if (type != CONNMAN_SERVICE_TYPE_P2P)
1400                         __sync_fetch_and_add(&technology->refcount, 1);
1401                 return technology;
1402         }
1403
1404         /* First check if we have a driver for this technology type */
1405         for (list = driver_list; list; list = list->next) {
1406                 driver = list->data;
1407
1408                 if (driver->type == type) {
1409                         DBG("technology %p driver %p", technology, driver);
1410                         tech_drivers = g_slist_append(tech_drivers, driver);
1411                 }
1412         }
1413
1414         if (!tech_drivers) {
1415                 DBG("No matching drivers found for %s.",
1416                                 __connman_service_type2string(type));
1417                 return NULL;
1418         }
1419
1420         technology = g_try_new0(struct connman_technology, 1);
1421         if (!technology)
1422                 return NULL;
1423
1424         technology->refcount = 1;
1425         technology->type = type;
1426         technology->tethering_hidden = FALSE;
1427         technology->path = g_strdup_printf("%s/technology/%s",
1428                                                         CONNMAN_PATH, str);
1429
1430         technology_load(technology);
1431         technology_list = g_slist_prepend(technology_list, technology);
1432         technology->driver_list = tech_drivers;
1433
1434         for (list = tech_drivers; list; list = list->next) {
1435                 driver = list->data;
1436
1437                 if (driver->probe && driver->probe(technology) < 0)
1438                         DBG("Driver probe failed for technology %p",
1439                                         technology);
1440         }
1441
1442         if (!technology_dbus_register(technology)) {
1443                 technology_put(technology);
1444                 return NULL;
1445         }
1446
1447         if (type == CONNMAN_SERVICE_TYPE_P2P) {
1448                 struct connman_technology *wifi;
1449                 bool enable;
1450
1451                 enable = technology->enable_persistent;
1452
1453                 wifi = technology_find(CONNMAN_SERVICE_TYPE_WIFI);
1454                 if (enable && wifi)
1455                         enable = wifi->enabled;
1456
1457                 technology_affect_devices(technology, enable);
1458         }
1459
1460         DBG("technology %p %s", technology, get_name(technology->type));
1461
1462         return technology;
1463 }
1464
1465 int connman_technology_driver_register(struct connman_technology_driver *driver)
1466 {
1467         GSList *list;
1468         struct connman_device *device;
1469         enum connman_service_type type;
1470
1471         for (list = driver_list; list; list = list->next) {
1472                 if (list->data == driver)
1473                         goto exist;
1474         }
1475
1476         DBG("Registering %s driver", driver->name);
1477
1478         driver_list = g_slist_insert_sorted(driver_list, driver,
1479                                                         compare_priority);
1480
1481         /*
1482          * Check for technology less devices if this driver
1483          * can service any of them.
1484         */
1485         for (list = techless_device_list; list; list = list->next) {
1486                 device = list->data;
1487
1488                 type = __connman_device_get_service_type(device);
1489                 if (type != driver->type)
1490                         continue;
1491
1492                 techless_device_list = g_slist_remove(techless_device_list,
1493                                                                 device);
1494
1495                 __connman_technology_add_device(device);
1496         }
1497
1498         /* Check for orphaned rfkill switches. */
1499         g_hash_table_foreach(rfkill_list, rfkill_check,
1500                                         GINT_TO_POINTER(driver->type));
1501
1502 exist:
1503         if (driver->type == CONNMAN_SERVICE_TYPE_P2P) {
1504                 if (!technology_get(CONNMAN_SERVICE_TYPE_P2P))
1505                         return -ENOMEM;
1506         }
1507
1508         return 0;
1509 }
1510
1511 void connman_technology_driver_unregister(struct connman_technology_driver *driver)
1512 {
1513         GSList *list, *tech_drivers;
1514         struct connman_technology *technology;
1515         struct connman_technology_driver *current;
1516
1517         DBG("Unregistering driver %p name %s", driver, driver->name);
1518
1519         for (list = technology_list; list; list = list->next) {
1520                 technology = list->data;
1521
1522                 for (tech_drivers = technology->driver_list; tech_drivers;
1523                                 tech_drivers = g_slist_next(tech_drivers)) {
1524                         current = tech_drivers->data;
1525                         if (driver != current)
1526                                 continue;
1527
1528                         if (driver->remove)
1529                                 driver->remove(technology);
1530
1531                         technology->driver_list =
1532                                 g_slist_remove(technology->driver_list,
1533                                                                 driver);
1534                         break;
1535                 }
1536         }
1537
1538         driver_list = g_slist_remove(driver_list, driver);
1539
1540         if (driver->type == CONNMAN_SERVICE_TYPE_P2P) {
1541                 technology = technology_find(CONNMAN_SERVICE_TYPE_P2P);
1542                 if (technology)
1543                         technology_put(technology);
1544         }
1545 }
1546
1547 void __connman_technology_add_interface(enum connman_service_type type,
1548                                 int index, const char *ident)
1549 {
1550         struct connman_technology *technology;
1551         GSList *tech_drivers;
1552         struct connman_technology_driver *driver;
1553         char *name;
1554
1555         switch (type) {
1556         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1557         case CONNMAN_SERVICE_TYPE_SYSTEM:
1558                 return;
1559         case CONNMAN_SERVICE_TYPE_ETHERNET:
1560         case CONNMAN_SERVICE_TYPE_WIFI:
1561         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1562         case CONNMAN_SERVICE_TYPE_CELLULAR:
1563         case CONNMAN_SERVICE_TYPE_GPS:
1564         case CONNMAN_SERVICE_TYPE_VPN:
1565         case CONNMAN_SERVICE_TYPE_GADGET:
1566         case CONNMAN_SERVICE_TYPE_P2P:
1567                 break;
1568         }
1569
1570         name = connman_inet_ifname(index);
1571         connman_info("Adding interface %s [ %s ]", name,
1572                                 __connman_service_type2string(type));
1573
1574         technology = technology_find(type);
1575
1576         if (!technology)
1577                 goto out;
1578
1579         for (tech_drivers = technology->driver_list; tech_drivers;
1580              tech_drivers = g_slist_next(tech_drivers)) {
1581                 driver = tech_drivers->data;
1582
1583                 if (driver->add_interface)
1584                         driver->add_interface(technology, index, name, ident);
1585         }
1586
1587         /*
1588          * At this point we can try to enable tethering automatically as
1589          * now the interfaces are set properly.
1590          */
1591         if (technology->tethering_persistent)
1592                 enable_tethering(technology);
1593
1594 out:
1595         g_free(name);
1596 }
1597
1598 void __connman_technology_remove_interface(enum connman_service_type type,
1599                                 int index, const char *ident)
1600 {
1601         struct connman_technology *technology;
1602         GSList *tech_drivers;
1603         struct connman_technology_driver *driver;
1604         char *name;
1605
1606         switch (type) {
1607         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1608         case CONNMAN_SERVICE_TYPE_SYSTEM:
1609                 return;
1610         case CONNMAN_SERVICE_TYPE_ETHERNET:
1611         case CONNMAN_SERVICE_TYPE_WIFI:
1612         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1613         case CONNMAN_SERVICE_TYPE_CELLULAR:
1614         case CONNMAN_SERVICE_TYPE_GPS:
1615         case CONNMAN_SERVICE_TYPE_VPN:
1616         case CONNMAN_SERVICE_TYPE_GADGET:
1617         case CONNMAN_SERVICE_TYPE_P2P:
1618                 break;
1619         }
1620
1621         name = connman_inet_ifname(index);
1622         connman_info("Remove interface %s [ %s ]", name,
1623                                 __connman_service_type2string(type));
1624         g_free(name);
1625
1626         technology = technology_find(type);
1627
1628         if (!technology)
1629                 return;
1630
1631         for (tech_drivers = technology->driver_list; tech_drivers;
1632              tech_drivers = g_slist_next(tech_drivers)) {
1633                 driver = tech_drivers->data;
1634
1635                 if (driver->remove_interface)
1636                         driver->remove_interface(technology, index);
1637         }
1638 }
1639
1640 int __connman_technology_add_device(struct connman_device *device)
1641 {
1642         struct connman_technology *technology;
1643         enum connman_service_type type;
1644
1645         type = __connman_device_get_service_type(device);
1646
1647         DBG("device %p type %s", device, get_name(type));
1648
1649         technology = technology_get(type);
1650         if (!technology) {
1651                 /*
1652                  * Since no driver can be found for this device at the moment we
1653                  * add it to the techless device list.
1654                 */
1655                 techless_device_list = g_slist_prepend(techless_device_list,
1656                                                                 device);
1657
1658                 return -ENXIO;
1659         }
1660
1661         __sync_synchronize();
1662         if (technology->rfkill_driven) {
1663                 if (technology->enabled)
1664                         __connman_device_enable(device);
1665                 else
1666                         __connman_device_disable(device);
1667
1668                 goto done;
1669         }
1670
1671         if (technology->enable_persistent &&
1672                                         !global_offlinemode) {
1673                 int err = __connman_device_enable(device);
1674                 /*
1675                  * connman_technology_add_device() calls __connman_device_enable()
1676                  * but since the device is already enabled, the calls does not
1677                  * propagate through to connman_technology_enabled via
1678                  * connman_device_set_powered.
1679                  */
1680                 if (err == -EALREADY)
1681                         __connman_technology_enabled(type);
1682         }
1683         /* if technology persistent state is offline */
1684         if (!technology->enable_persistent)
1685                 __connman_device_disable(device);
1686
1687 done:
1688         technology->device_list = g_slist_prepend(technology->device_list,
1689                                                                 device);
1690
1691         return 0;
1692 }
1693
1694 int __connman_technology_remove_device(struct connman_device *device)
1695 {
1696         struct connman_technology *technology;
1697         enum connman_service_type type;
1698
1699         DBG("device %p", device);
1700
1701         type = __connman_device_get_service_type(device);
1702
1703         technology = technology_find(type);
1704         if (!technology) {
1705                 techless_device_list = g_slist_remove(techless_device_list,
1706                                                                 device);
1707                 return -ENXIO;
1708         }
1709
1710         technology->device_list = g_slist_remove(technology->device_list,
1711                                                                 device);
1712
1713         if (technology->tethering)
1714                 set_tethering(technology, false);
1715
1716         technology_put(technology);
1717
1718         return 0;
1719 }
1720
1721 int __connman_technology_enabled(enum connman_service_type type)
1722 {
1723         struct connman_technology *technology;
1724
1725         technology = technology_find(type);
1726         if (!technology)
1727                 return -ENXIO;
1728
1729         DBG("technology %p type %s rfkill %d enabled %d", technology,
1730                 get_name(type), technology->rfkill_driven,
1731                 technology->enabled);
1732 #if !defined TIZEN_EXT
1733         if (technology->rfkill_driven) {
1734                 if (technology->tethering_persistent)
1735                         enable_tethering(technology);
1736                 return 0;
1737         }
1738 #endif
1739
1740         return technology_enabled(technology);
1741 }
1742
1743 int __connman_technology_disabled(enum connman_service_type type)
1744 {
1745         struct connman_technology *technology;
1746         GSList *list;
1747
1748         technology = technology_find(type);
1749         if (!technology)
1750                 return -ENXIO;
1751 #if !defined TIZEN_EXT
1752         if (technology->rfkill_driven)
1753                 return 0;
1754 #endif
1755         for (list = technology->device_list; list; list = list->next) {
1756                 struct connman_device *device = list->data;
1757
1758                 if (connman_device_get_powered(device))
1759                         return 0;
1760         }
1761
1762         return technology_disabled(technology);
1763 }
1764
1765 int __connman_technology_set_offlinemode(bool offlinemode)
1766 {
1767         GSList *list;
1768         int err = -EINVAL, enabled_tech_count = 0;
1769
1770         if (global_offlinemode == offlinemode)
1771                 return 0;
1772
1773         DBG("offlinemode %s", offlinemode ? "On" : "Off");
1774
1775         /*
1776          * This is a bit tricky. When you set offlinemode, there is no
1777          * way to differentiate between attempting offline mode and
1778          * resuming offlinemode from last saved profile. We need that
1779          * information in rfkill_update, otherwise it falls back on the
1780          * technology's persistent state. Hence we set the offline mode here
1781          * but save it & call the notifier only if its successful.
1782          */
1783
1784         global_offlinemode = offlinemode;
1785
1786         /* Traverse technology list, enable/disable each technology. */
1787         for (list = technology_list; list; list = list->next) {
1788                 struct connman_technology *technology = list->data;
1789
1790                 if (offlinemode)
1791                         err = technology_disable(technology);
1792                 else {
1793                         if (technology->hardblocked)
1794                                 continue;
1795
1796                         if (technology->enable_persistent) {
1797                                 err = technology_enable(technology);
1798                                 enabled_tech_count++;
1799                         }
1800                 }
1801         }
1802
1803         if (err == 0 || err == -EINPROGRESS || err == -EALREADY ||
1804                         (err == -EINVAL && enabled_tech_count == 0)) {
1805                 connman_technology_save_offlinemode();
1806                 __connman_notifier_offlinemode(offlinemode);
1807         } else
1808                 global_offlinemode = connman_technology_load_offlinemode();
1809
1810         return err;
1811 }
1812
1813 void __connman_technology_set_connected(enum connman_service_type type,
1814                 bool connected)
1815 {
1816         struct connman_technology *technology;
1817         dbus_bool_t val;
1818
1819         technology = technology_find(type);
1820         if (!technology)
1821                 return;
1822
1823         DBG("technology %p connected %d", technology, connected);
1824
1825         technology->connected = connected;
1826
1827         val = connected;
1828         connman_dbus_property_changed_basic(technology->path,
1829                         CONNMAN_TECHNOLOGY_INTERFACE, "Connected",
1830                         DBUS_TYPE_BOOLEAN, &val);
1831 }
1832
1833 static bool technology_apply_rfkill_change(struct connman_technology *technology,
1834                                                 bool softblock,
1835                                                 bool hardblock,
1836                                                 bool new_rfkill)
1837 {
1838         bool hardblock_changed = false;
1839         bool apply = true;
1840         GList *start, *list;
1841
1842         DBG("technology %p --> %d/%d vs %d/%d",
1843                         technology, softblock, hardblock,
1844                         technology->softblocked, technology->hardblocked);
1845
1846         if (technology->hardblocked == hardblock)
1847                 goto softblock_change;
1848
1849         if (!(new_rfkill && !hardblock)) {
1850                 start = g_hash_table_get_values(rfkill_list);
1851
1852                 for (list = start; list; list = list->next) {
1853                         struct connman_rfkill *rfkill = list->data;
1854
1855                         if (rfkill->type != technology->type)
1856                                 continue;
1857
1858                         if (rfkill->hardblock != hardblock)
1859                                 apply = false;
1860                 }
1861
1862                 g_list_free(start);
1863         }
1864
1865         if (!apply)
1866                 goto softblock_change;
1867
1868         technology->hardblocked = hardblock;
1869         hardblock_changed = true;
1870
1871 softblock_change:
1872         if (!apply && technology->softblocked != softblock)
1873                 apply = true;
1874
1875         if (!apply)
1876                 return technology->hardblocked;
1877
1878         technology->softblocked = softblock;
1879
1880         if (technology->hardblocked ||
1881                                         technology->softblocked) {
1882                 if (technology_disabled(technology) != -EALREADY)
1883                         technology_affect_devices(technology, false);
1884         } else if (!technology->hardblocked &&
1885                                         !technology->softblocked) {
1886                 if (technology_enabled(technology) != -EALREADY)
1887                         technology_affect_devices(technology, true);
1888         }
1889
1890         if (hardblock_changed) {
1891                 if (technology->hardblocked) {
1892                         DBG("%s is switched off.", get_name(technology->type));
1893                         technology_dbus_unregister(technology);
1894                 } else {
1895                         DBG("%s is switched on.", get_name(technology->type));
1896                         technology_dbus_register(technology);
1897
1898                         if (global_offlinemode)
1899                                 __connman_rfkill_block(technology->type, true);
1900                 }
1901         }
1902
1903         return technology->hardblocked;
1904 }
1905
1906 int __connman_technology_add_rfkill(unsigned int index,
1907                                         enum connman_service_type type,
1908                                                 bool softblock,
1909                                                 bool hardblock)
1910 {
1911         struct connman_technology *technology;
1912         struct connman_rfkill *rfkill;
1913
1914         DBG("index %u type %d soft %u hard %u", index, type,
1915                                                         softblock, hardblock);
1916
1917         rfkill = g_hash_table_lookup(rfkill_list, GINT_TO_POINTER(index));
1918         if (rfkill)
1919                 goto done;
1920
1921         rfkill = g_try_new0(struct connman_rfkill, 1);
1922         if (!rfkill)
1923                 return -ENOMEM;
1924
1925         rfkill->index = index;
1926         rfkill->type = type;
1927         rfkill->softblock = softblock;
1928         rfkill->hardblock = hardblock;
1929
1930         g_hash_table_insert(rfkill_list, GINT_TO_POINTER(index), rfkill);
1931
1932 done:
1933 #if defined TIZEN_EXT
1934         /* Fix Svace Issue [WGID: 1348]. */
1935         g_free(rfkill);
1936 #endif
1937         technology = technology_get(type);
1938         /* If there is no driver for this type, ignore it. */
1939         if (!technology)
1940                 return -ENXIO;
1941
1942         technology->rfkill_driven = true;
1943
1944 #if !defined TIZEN_EXT
1945         /* If hardblocked, there is no need to handle softblocked state */
1946         if (technology_apply_rfkill_change(technology,
1947                                 softblock, hardblock, true))
1948                 return 0;
1949 #endif
1950         if (global_offlinemode)
1951                 return 0;
1952
1953         /*
1954          * Depending on softblocked state we unblock/block according to
1955          * offlinemode and persistente state.
1956          */
1957         if (technology->softblocked &&
1958                                 technology->enable_persistent)
1959                 return __connman_rfkill_block(type, false);
1960         else if (!technology->softblocked &&
1961                                 !technology->enable_persistent)
1962                 return __connman_rfkill_block(type, true);
1963
1964         return 0;
1965 }
1966
1967 int __connman_technology_update_rfkill(unsigned int index,
1968                                         enum connman_service_type type,
1969                                                 bool softblock,
1970                                                 bool hardblock)
1971 {
1972         struct connman_technology *technology;
1973         struct connman_rfkill *rfkill;
1974
1975         DBG("index %u soft %u hard %u", index, softblock, hardblock);
1976
1977         rfkill = g_hash_table_lookup(rfkill_list, GINT_TO_POINTER(index));
1978         if (!rfkill)
1979                 return -ENXIO;
1980
1981         if (rfkill->softblock == softblock &&
1982                                 rfkill->hardblock == hardblock)
1983                 return 0;
1984
1985         rfkill->softblock = softblock;
1986         rfkill->hardblock = hardblock;
1987
1988         technology = technology_find(type);
1989         /* If there is no driver for this type, ignore it. */
1990         if (!technology)
1991                 return -ENXIO;
1992
1993         technology_apply_rfkill_change(technology, softblock, hardblock,
1994                                                                 false);
1995
1996         if (technology->hardblocked)
1997                 DBG("%s hardblocked", get_name(technology->type));
1998         else
1999                 DBG("%s is%s softblocked", get_name(technology->type),
2000                         technology->softblocked ? "" : " not");
2001
2002         return 0;
2003 }
2004
2005 int __connman_technology_remove_rfkill(unsigned int index,
2006                                         enum connman_service_type type)
2007 {
2008         struct connman_technology *technology;
2009         struct connman_rfkill *rfkill;
2010
2011         DBG("index %u", index);
2012
2013         rfkill = g_hash_table_lookup(rfkill_list, GINT_TO_POINTER(index));
2014         if (!rfkill)
2015                 return -ENXIO;
2016
2017         g_hash_table_remove(rfkill_list, GINT_TO_POINTER(index));
2018
2019         technology = technology_find(type);
2020         if (!technology)
2021                 return -ENXIO;
2022
2023         technology_apply_rfkill_change(technology,
2024                 technology->softblocked, !technology->hardblocked, false);
2025
2026         technology_put(technology);
2027
2028         return 0;
2029 }
2030
2031 int __connman_technology_init(void)
2032 {
2033         DBG("");
2034
2035         connection = connman_dbus_get_connection();
2036
2037         rfkill_list = g_hash_table_new_full(g_direct_hash, g_direct_equal,
2038                                                         NULL, free_rfkill);
2039
2040         global_offlinemode = connman_technology_load_offlinemode();
2041
2042         /* This will create settings file if it is missing */
2043         connman_technology_save_offlinemode();
2044
2045         return 0;
2046 }
2047
2048 void __connman_technology_cleanup(void)
2049 {
2050         DBG("");
2051
2052         while (technology_list) {
2053                 struct connman_technology *technology = technology_list->data;
2054                 technology_list = g_slist_remove(technology_list, technology);
2055                 technology_put(technology);
2056         }
2057
2058         g_hash_table_destroy(rfkill_list);
2059
2060         dbus_connection_unref(connection);
2061 }