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         int 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         int 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         GSList *list;
 158
 159         DBG("technology %p enabled %u", technology, enabled);
 160
 161         if (technology->tethering == enabled)
 162                 return;
 163
 164         technology->tethering = enabled;
 165
 166         tethering_changed(technology);
 167
 168         if (enabled == TRUE)
 169                 __connman_tethering_set_enabled();
 170         else {
 171                 for (list = technology_list; list; list = list->next) {
 172                         struct connman_technology *other_tech = list->data;
 173                         if (other_tech->tethering == TRUE)
 174                                 break;
 175                 }
 176                 if (list == NULL)
 177                         __connman_tethering_set_disabled();
 178         }
 179 }
 180
 181 static int set_tethering(struct connman_technology *technology,
 182                                 connman_bool_t enabled)
 183 {
 184         const char *ident, *passphrase, *bridge;
 185
 186         ident = technology->tethering_ident;
 187         passphrase = technology->tethering_passphrase;
 188
 189         if (technology->driver == NULL ||
 190                         technology->driver->set_tethering == NULL)
 191                 return -EOPNOTSUPP;
 192
 193         bridge = __connman_tethering_get_bridge();
 194         if (bridge == NULL)
 195                 return -EOPNOTSUPP;
 196
 197         if (technology->type == CONNMAN_SERVICE_TYPE_WIFI &&
 198             (ident == NULL || passphrase == NULL))
 199                 return -EINVAL;
 200
 201         return technology->driver->set_tethering(technology, ident, passphrase,
 202                                                         bridge, enabled);
 203 }
 204
 205 void connman_technology_regdom_notify(struct connman_technology *technology,
 206                                                         const char *alpha2)
 207 {
 208         DBG("");
 209
 210         if (alpha2 == NULL)
 211                 connman_error("Failed to set regulatory domain");
 212         else
 213                 DBG("Regulatory domain set to %s", alpha2);
 214
 215         g_free(technology->regdom);
 216         technology->regdom = g_strdup(alpha2);
 217 }
 218
 219 int connman_technology_set_regdom(const char *alpha2)
 220 {
 221         GSList *list;
 222
 223         for (list = technology_list; list; list = list->next) {
 224                 struct connman_technology *technology = list->data;
 225
 226                 if (technology->driver == NULL)
 227                         continue;
 228
 229                 if (technology->driver->set_regdom)
 230                         technology->driver->set_regdom(technology, alpha2);
 231         }
 232
 233         return 0;
 234 }
 235
 236 static void free_rfkill(gpointer data)
 237 {
 238         struct connman_rfkill *rfkill = data;
 239
 240         g_free(rfkill);
 241 }
 242
 243 void __connman_technology_list(DBusMessageIter *iter, void *user_data)
 244 {
 245         GSList *list;
 246
 247         for (list = technology_list; list; list = list->next) {
 248                 struct connman_technology *technology = list->data;
 249
 250                 if (technology->path == NULL)
 251                         continue;
 252
 253                 dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 254                                                         &technology->path);
 255         }
 256 }
 257
 258 static void technologies_changed(void)
 259 {
 260         connman_dbus_property_changed_array(CONNMAN_MANAGER_PATH,
 261                         CONNMAN_MANAGER_INTERFACE, "Technologies",
 262                         DBUS_TYPE_OBJECT_PATH, __connman_technology_list, NULL);
 263 }
 264
 265 static const char *state2string(enum connman_technology_state state)
 266 {
 267         switch (state) {
 268         case CONNMAN_TECHNOLOGY_STATE_UNKNOWN:
 269                 break;
 270         case CONNMAN_TECHNOLOGY_STATE_OFFLINE:
 271                 return "offline";
 272         case CONNMAN_TECHNOLOGY_STATE_ENABLED:
 273                 return "enabled";
 274         case CONNMAN_TECHNOLOGY_STATE_CONNECTED:
 275                 return "connected";
 276         }
 277
 278         return NULL;
 279 }
 280
 281 static void state_changed(struct connman_technology *technology)
 282 {
 283         const char *str;
 284
 285         str = state2string(technology->state);
 286         if (str == NULL)
 287                 return;
 288
 289         connman_dbus_property_changed_basic(technology->path,
 290                                 CONNMAN_TECHNOLOGY_INTERFACE, "State",
 291                                                 DBUS_TYPE_STRING, &str);
 292 }
 293
 294 static const char *get_name(enum connman_service_type type)
 295 {
 296         switch (type) {
 297         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 298         case CONNMAN_SERVICE_TYPE_SYSTEM:
 299         case CONNMAN_SERVICE_TYPE_GPS:
 300         case CONNMAN_SERVICE_TYPE_VPN:
 301         case CONNMAN_SERVICE_TYPE_GADGET:
 302                 break;
 303         case CONNMAN_SERVICE_TYPE_ETHERNET:
 304                 return "Wired";
 305         case CONNMAN_SERVICE_TYPE_WIFI:
 306                 return "WiFi";
 307         case CONNMAN_SERVICE_TYPE_WIMAX:
 308                 return "WiMAX";
 309         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 310                 return "Bluetooth";
 311         case CONNMAN_SERVICE_TYPE_CELLULAR:
 312                 return "Cellular";
 313         }
 314
 315         return NULL;
 316 }
 317
 318 static void load_state(struct connman_technology *technology)
 319 {
 320         GKeyFile *keyfile;
 321         gchar *identifier;
 322         GError *error = NULL;
 323         connman_bool_t enable;
 324
 325         DBG("technology %p", technology);
 326
 327         keyfile = __connman_storage_load_global();
 328         /* Fallback on disabling technology if file not found. */
 329         if (keyfile == NULL) {
 330                 technology->enable_persistent = FALSE;
 331                 return;
 332         }
 333
 334         identifier = g_strdup_printf("%s", get_name(technology->type));
 335         if (identifier == NULL)
 336                 goto done;
 337
 338         enable = g_key_file_get_boolean(keyfile, identifier, "Enable", &error);
 339         if (error == NULL)
 340                 technology->enable_persistent = enable;
 341         else {
 342                 technology->enable_persistent = FALSE;
 343                 g_clear_error(&error);
 344         }
 345 done:
 346         g_free(identifier);
 347
 348         g_key_file_free(keyfile);
 349
 350         return;
 351 }
 352
 353 static void save_state(struct connman_technology *technology)
 354 {
 355         GKeyFile *keyfile;
 356         gchar *identifier;
 357
 358         DBG("technology %p", technology);
 359
 360         keyfile = __connman_storage_load_global();
 361         if (keyfile == NULL)
 362                 keyfile = g_key_file_new();
 363
 364         identifier = g_strdup_printf("%s", get_name(technology->type));
 365         if (identifier == NULL)
 366                 goto done;
 367
 368         g_key_file_set_boolean(keyfile, identifier, "Enable",
 369                                 technology->enable_persistent);
 370
 371 done:
 372         g_free(identifier);
 373
 374         __connman_storage_save_global(keyfile);
 375
 376         g_key_file_free(keyfile);
 377
 378         return;
 379 }
 380
 381 connman_bool_t __connman_technology_get_offlinemode(void)
 382 {
 383         return global_offlinemode;
 384 }
 385
 386 static void connman_technology_save_offlinemode()
 387 {
 388         GKeyFile *keyfile;
 389
 390         keyfile = __connman_storage_load_global();
 391         if (keyfile == NULL)
 392                 keyfile = g_key_file_new();
 393
 394         g_key_file_set_boolean(keyfile, "global",
 395                                         "OfflineMode", global_offlinemode);
 396
 397         __connman_storage_save_global(keyfile);
 398
 399         g_key_file_free(keyfile);
 400
 401         return;
 402 }
 403
 404 static connman_bool_t connman_technology_load_offlinemode()
 405 {
 406         GKeyFile *keyfile;
 407         GError *error = NULL;
 408         connman_bool_t offlinemode;
 409
 410         /* If there is a error, we enable offlinemode */
 411         keyfile = __connman_storage_load_global();
 412         if (keyfile == NULL)
 413                 return TRUE;
 414
 415         offlinemode = g_key_file_get_boolean(keyfile, "global",
 416                                                 "OfflineMode", &error);
 417         if (error != NULL) {
 418                 offlinemode = TRUE;
 419                 g_clear_error(&error);
 420         }
 421
 422         g_key_file_free(keyfile);
 423
 424         return offlinemode;
 425 }
 426
 427 static void append_properties(DBusMessageIter *iter,
 428                 struct connman_technology *technology)
 429 {
 430         DBusMessageIter dict;
 431         const char *str;
 432
 433         connman_dbus_dict_open(iter, &dict);
 434
 435         str = state2string(technology->state);
 436         if (str != NULL)
 437                 connman_dbus_dict_append_basic(&dict, "State",
 438                                                 DBUS_TYPE_STRING, &str);
 439
 440         str = get_name(technology->type);
 441         if (str != NULL)
 442                 connman_dbus_dict_append_basic(&dict, "Name",
 443                                                 DBUS_TYPE_STRING, &str);
 444
 445         str = __connman_service_type2string(technology->type);
 446         if (str != NULL)
 447                 connman_dbus_dict_append_basic(&dict, "Type",
 448                                                 DBUS_TYPE_STRING, &str);
 449
 450         connman_dbus_dict_append_basic(&dict, "Tethering",
 451                                         DBUS_TYPE_BOOLEAN,
 452                                         &technology->tethering);
 453
 454         if (technology->tethering_ident != NULL)
 455                 connman_dbus_dict_append_basic(&dict, "TetheringIdentifier",
 456                                                 DBUS_TYPE_STRING,
 457                                                 &technology->tethering_ident);
 458
 459         if (technology->tethering_passphrase != NULL)
 460                 connman_dbus_dict_append_basic(&dict, "TetheringPassphrase",
 461                                                 DBUS_TYPE_STRING,
 462                                                 &technology->tethering_passphrase);
 463
 464         connman_dbus_dict_close(iter, &dict);
 465 }
 466
 467 static void technology_added_signal(struct connman_technology *technology)
 468 {
 469         DBusMessage *signal;
 470         DBusMessageIter iter;
 471
 472         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 473                         CONNMAN_MANAGER_INTERFACE, "TechnologyAdded");
 474         if (signal == NULL)
 475                 return;
 476
 477         dbus_message_iter_init_append(signal, &iter);
 478         append_properties(&iter, technology);
 479
 480         dbus_connection_send(connection, signal, NULL);
 481         dbus_message_unref(signal);
 482 }
 483
 484 static void technology_removed_signal(struct connman_technology *technology)
 485 {
 486         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 487                         CONNMAN_MANAGER_INTERFACE, "TechnologyRemoved",
 488                         DBUS_TYPE_OBJECT_PATH, technology->path);
 489 }
 490
 491 static DBusMessage *get_properties(DBusConnection *conn,
 492                                         DBusMessage *message, void *user_data)
 493 {
 494         struct connman_technology *technology = user_data;
 495         DBusMessage *reply;
 496         DBusMessageIter iter;
 497
 498         reply = dbus_message_new_method_return(message);
 499         if (reply == NULL)
 500                 return NULL;
 501
 502         dbus_message_iter_init_append(reply, &iter);
 503         append_properties(&iter, technology);
 504
 505         return reply;
 506 }
 507
 508 void __connman_technology_list_struct(DBusMessageIter *array)
 509 {
 510         GSList *list;
 511         DBusMessageIter entry;
 512
 513         for (list = technology_list; list; list = list->next) {
 514                 struct connman_technology *technology = list->data;
 515
 516                 if (technology->path == NULL)
 517                         continue;
 518
 519                 dbus_message_iter_open_container(array, DBUS_TYPE_STRUCT,
 520                                 NULL, &entry);
 521                 dbus_message_iter_append_basic(&entry, DBUS_TYPE_OBJECT_PATH,
 522                                 &technology->path);
 523                 append_properties(&entry, technology);
 524                 dbus_message_iter_close_container(array, &entry);
 525         }
 526 }
 527
 528 static DBusMessage *set_property(DBusConnection *conn,
 529                                         DBusMessage *msg, void *data)
 530 {
 531         struct connman_technology *technology = data;
 532         DBusMessageIter iter, value;
 533         const char *name;
 534         int type;
 535
 536         DBG("conn %p", conn);
 537
 538         if (dbus_message_iter_init(msg, &iter) == FALSE)
 539                 return __connman_error_invalid_arguments(msg);
 540
 541         dbus_message_iter_get_basic(&iter, &name);
 542         dbus_message_iter_next(&iter);
 543         dbus_message_iter_recurse(&iter, &value);
 544
 545         type = dbus_message_iter_get_arg_type(&value);
 546
 547         DBG("property %s", name);
 548
 549         if (g_str_equal(name, "Tethering") == TRUE) {
 550                 int err;
 551                 connman_bool_t tethering;
 552
 553                 if (type != DBUS_TYPE_BOOLEAN)
 554                         return __connman_error_invalid_arguments(msg);
 555
 556                 dbus_message_iter_get_basic(&value, &tethering);
 557
 558                 if (technology->tethering == tethering)
 559                         return __connman_error_in_progress(msg);
 560
 561                 err = set_tethering(technology, tethering);
 562                 if (err < 0)
 563                         return __connman_error_failed(msg, -err);
 564
 565         } else if (g_str_equal(name, "TetheringIdentifier") == TRUE) {
 566                 const char *str;
 567
 568                 dbus_message_iter_get_basic(&value, &str);
 569
 570                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 571                         return __connman_error_not_supported(msg);
 572
 573                 technology->tethering_ident = g_strdup(str);
 574         } else if (g_str_equal(name, "TetheringPassphrase") == TRUE) {
 575                 const char *str;
 576
 577                 dbus_message_iter_get_basic(&value, &str);
 578
 579                 if (technology->type != CONNMAN_SERVICE_TYPE_WIFI)
 580                         return __connman_error_not_supported(msg);
 581
 582                 if (strlen(str) < 8)
 583                         return __connman_error_invalid_arguments(msg);
 584
 585                 technology->tethering_passphrase = g_strdup(str);
 586         } else
 587                 return __connman_error_invalid_property(msg);
 588
 589         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 590 }
 591
 592 static GDBusMethodTable technology_methods[] = {
 593         { "GetProperties", "",   "a{sv}", get_properties },
 594         { "SetProperty",   "sv", "",      set_property   },
 595         { },
 596 };
 597
 598 static GDBusSignalTable technology_signals[] = {
 599         { "PropertyChanged", "sv" },
 600         { },
 601 };
 602
 603 static struct connman_technology *technology_find(enum connman_service_type type)
 604 {
 605         GSList *list;
 606
 607         DBG("type %d", type);
 608
 609         for (list = technology_list; list; list = list->next) {
 610                 struct connman_technology *technology = list->data;
 611
 612                 if (technology->type == type)
 613                         return technology;
 614         }
 615
 616         return NULL;
 617 }
 618
 619 static struct connman_technology *technology_get(enum connman_service_type type)
 620 {
 621         struct connman_technology *technology;
 622         const char *str;
 623         GSList *list;
 624
 625         DBG("type %d", type);
 626
 627         technology = technology_find(type);
 628         if (technology != NULL) {
 629                 __sync_fetch_and_add(&technology->refcount, 1);
 630                 goto done;
 631         }
 632
 633         str = __connman_service_type2string(type);
 634         if (str == NULL)
 635                 return NULL;
 636
 637         technology = g_try_new0(struct connman_technology, 1);
 638         if (technology == NULL)
 639                 return NULL;
 640
 641         technology->refcount = 1;
 642
 643         technology->type = type;
 644         technology->path = g_strdup_printf("%s/technology/%s",
 645                                                         CONNMAN_PATH, str);
 646
 647         technology->rfkill_list = g_hash_table_new_full(g_int_hash, g_int_equal,
 648                                                         NULL, free_rfkill);
 649         technology->device_list = NULL;
 650
 651         technology->pending_reply = NULL;
 652         technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 653
 654         load_state(technology);
 655
 656         if (g_dbus_register_interface(connection, technology->path,
 657                                         CONNMAN_TECHNOLOGY_INTERFACE,
 658                                         technology_methods, technology_signals,
 659                                         NULL, technology, NULL) == FALSE) {
 660                 connman_error("Failed to register %s", technology->path);
 661                 g_free(technology);
 662                 return NULL;
 663         }
 664
 665         technology_list = g_slist_append(technology_list, technology);
 666
 667         technologies_changed();
 668         technology_added_signal(technology);
 669
 670         if (technology->driver != NULL)
 671                 goto done;
 672
 673         for (list = driver_list; list; list = list->next) {
 674                 struct connman_technology_driver *driver = list->data;
 675
 676                 DBG("driver %p name %s", driver, driver->name);
 677
 678                 if (driver->type != technology->type)
 679                         continue;
 680
 681                 if (driver->probe(technology) == 0) {
 682                         technology->driver = driver;
 683                         break;
 684                 }
 685         }
 686
 687 done:
 688         DBG("technology %p", technology);
 689
 690         return technology;
 691 }
 692
 693 static void technology_put(struct connman_technology *technology)
 694 {
 695         DBG("technology %p", technology);
 696
 697         if (__sync_fetch_and_sub(&technology->refcount, 1) != 1)
 698                 return;
 699
 700         if (technology->driver) {
 701                 technology->driver->remove(technology);
 702                 technology->driver = NULL;
 703         }
 704
 705         technology_list = g_slist_remove(technology_list, technology);
 706
 707         technologies_changed();
 708         technology_removed_signal(technology);
 709
 710         g_dbus_unregister_interface(connection, technology->path,
 711                                                 CONNMAN_TECHNOLOGY_INTERFACE);
 712
 713         g_slist_free(technology->device_list);
 714         g_hash_table_destroy(technology->rfkill_list);
 715
 716         g_free(technology->path);
 717         g_free(technology->regdom);
 718         g_free(technology);
 719 }
 720
 721 void __connman_technology_add_interface(enum connman_service_type type,
 722                                 int index, const char *name, const char *ident)
 723 {
 724         struct connman_technology *technology;
 725
 726         switch (type) {
 727         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 728         case CONNMAN_SERVICE_TYPE_SYSTEM:
 729                 return;
 730         case CONNMAN_SERVICE_TYPE_ETHERNET:
 731         case CONNMAN_SERVICE_TYPE_WIFI:
 732         case CONNMAN_SERVICE_TYPE_WIMAX:
 733         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 734         case CONNMAN_SERVICE_TYPE_CELLULAR:
 735         case CONNMAN_SERVICE_TYPE_GPS:
 736         case CONNMAN_SERVICE_TYPE_VPN:
 737         case CONNMAN_SERVICE_TYPE_GADGET:
 738                 break;
 739         }
 740
 741         connman_info("Create interface %s [ %s ]", name,
 742                                 __connman_service_type2string(type));
 743
 744         technology = technology_get(type);
 745
 746         if (technology == NULL || technology->driver == NULL
 747                         || technology->driver->add_interface == NULL)
 748                 return;
 749
 750         technology->driver->add_interface(technology,
 751                                         index, name, ident);
 752 }
 753
 754 void __connman_technology_remove_interface(enum connman_service_type type,
 755                                 int index, const char *name, const char *ident)
 756 {
 757         struct connman_technology *technology;
 758
 759         switch (type) {
 760         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 761         case CONNMAN_SERVICE_TYPE_SYSTEM:
 762                 return;
 763         case CONNMAN_SERVICE_TYPE_ETHERNET:
 764         case CONNMAN_SERVICE_TYPE_WIFI:
 765         case CONNMAN_SERVICE_TYPE_WIMAX:
 766         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 767         case CONNMAN_SERVICE_TYPE_CELLULAR:
 768         case CONNMAN_SERVICE_TYPE_GPS:
 769         case CONNMAN_SERVICE_TYPE_VPN:
 770         case CONNMAN_SERVICE_TYPE_GADGET:
 771                 break;
 772         }
 773
 774         connman_info("Remove interface %s [ %s ]", name,
 775                                 __connman_service_type2string(type));
 776
 777         technology = technology_find(type);
 778
 779         if (technology == NULL || technology->driver == NULL)
 780                 return;
 781
 782         if (technology->driver->remove_interface)
 783                 technology->driver->remove_interface(technology, index);
 784
 785         technology_put(technology);
 786 }
 787
 788 int __connman_technology_add_device(struct connman_device *device)
 789 {
 790         struct connman_technology *technology;
 791         enum connman_service_type type;
 792
 793         DBG("device %p", device);
 794
 795         type = __connman_device_get_service_type(device);
 796         __connman_notifier_register(type);
 797
 798         technology = technology_get(type);
 799         if (technology == NULL)
 800                 return -ENXIO;
 801
 802         if (technology->enable_persistent && !global_offlinemode)
 803                 __connman_device_enable(device);
 804         /* if technology persistent state is offline */
 805         if (!technology->enable_persistent)
 806                 __connman_device_disable(device);
 807
 808         technology->device_list = g_slist_append(technology->device_list,
 809                                                                 device);
 810
 811         return 0;
 812 }
 813
 814 int __connman_technology_remove_device(struct connman_device *device)
 815 {
 816         struct connman_technology *technology;
 817         enum connman_service_type type;
 818
 819         DBG("device %p", device);
 820
 821         type = __connman_device_get_service_type(device);
 822         __connman_notifier_unregister(type);
 823
 824         technology = technology_find(type);
 825         if (technology == NULL)
 826                 return -ENXIO;
 827
 828         technology->device_list = g_slist_remove(technology->device_list,
 829                                                                 device);
 830         if (technology->device_list == NULL) {
 831                 technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 832                 state_changed(technology);
 833         }
 834
 835         return 0;
 836 }
 837
 838 static gboolean technology_pending_reply(gpointer user_data)
 839 {
 840         struct connman_technology *technology = user_data;
 841         DBusMessage *reply;
 842
 843         /* Power request timedout, send ETIMEDOUT. */
 844         if (technology->pending_reply != NULL) {
 845                 reply = __connman_error_failed(technology->pending_reply, ETIMEDOUT);
 846                 if (reply != NULL)
 847                         g_dbus_send_message(connection, reply);
 848
 849                 dbus_message_unref(technology->pending_reply);
 850                 technology->pending_reply = NULL;
 851                 technology->pending_timeout = 0;
 852         }
 853
 854         return FALSE;
 855 }
 856
 857 int __connman_technology_enabled(enum connman_service_type type)
 858 {
 859         struct connman_technology *technology;
 860
 861         technology = technology_find(type);
 862         if (technology == NULL)
 863                 return -ENXIO;
 864
 865         if (__sync_fetch_and_add(&technology->enabled, 1) == 0) {
 866                 __connman_notifier_enable(type);
 867                 technology->state = CONNMAN_TECHNOLOGY_STATE_ENABLED;
 868                 state_changed(technology);
 869         }
 870
 871         if (technology->pending_reply != NULL) {
 872                 g_dbus_send_reply(connection, technology->pending_reply, DBUS_TYPE_INVALID);
 873                 dbus_message_unref(technology->pending_reply);
 874                 g_source_remove(technology->pending_timeout);
 875                 technology->pending_reply = NULL;
 876                 technology->pending_timeout = 0;
 877         }
 878
 879         return 0;
 880 }
 881
 882 int __connman_technology_enable(enum connman_service_type type, DBusMessage *msg)
 883 {
 884         struct connman_technology *technology;
 885         GSList *list;
 886         int err = 0;
 887         int ret = -ENODEV;
 888         DBusMessage *reply;
 889
 890         DBG("type %d enable", type);
 891
 892         technology = technology_find(type);
 893         if (technology == NULL) {
 894                 err = -ENXIO;
 895                 goto done;
 896         }
 897
 898         if (technology->pending_reply != NULL) {
 899                 err = -EBUSY;
 900                 goto done;
 901         }
 902
 903         if (msg != NULL) {
 904                 /*
 905                  * This is a bit of a trick. When msg is not NULL it means
 906                  * thats technology_enable was invoked from the manager API. Hence we save
 907                  * the state here.
 908                  */
 909                 technology->enable_persistent = TRUE;
 910                 save_state(technology);
 911         }
 912
 913         __connman_rfkill_block(technology->type, FALSE);
 914
 915         /*
 916          * An empty device list means that devices in the technology
 917          * were rfkill blocked. The unblock above will enable the devs.
 918          */
 919         if (technology->device_list == NULL)
 920                 return 0;
 921
 922         for (list = technology->device_list; list; list = list->next) {
 923                 struct connman_device *device = list->data;
 924
 925                 err = __connman_device_enable(device);
 926                 /*
 927                  * err = 0 : Device was enabled right away.
 928                  * If atleast one device gets enabled, we consider
 929                  * the technology to be enabled.
 930                  */
 931                 if (err == 0)
 932                         ret = 0;
 933         }
 934
 935 done:
 936         if (ret == 0) {
 937                 if (msg != NULL)
 938                         g_dbus_send_reply(connection, msg, DBUS_TYPE_INVALID);
 939                 return ret;
 940         }
 941
 942         if (msg != NULL) {
 943                 if (err == -EINPROGRESS) {
 944                         technology->pending_reply = dbus_message_ref(msg);
 945                         technology->pending_timeout = g_timeout_add_seconds(10,
 946                                         technology_pending_reply, technology);
 947                 } else {
 948                         reply = __connman_error_failed(msg, -err);
 949                         if (reply != NULL)
 950                                 g_dbus_send_message(connection, reply);
 951                 }
 952         }
 953
 954         return err;
 955 }
 956
 957 int __connman_technology_disabled(enum connman_service_type type)
 958 {
 959         struct connman_technology *technology;
 960
 961         technology = technology_find(type);
 962         if (technology == NULL)
 963                 return -ENXIO;
 964
 965         if (technology->pending_reply != NULL) {
 966                 g_dbus_send_reply(connection, technology->pending_reply, DBUS_TYPE_INVALID);
 967                 dbus_message_unref(technology->pending_reply);
 968                 g_source_remove(technology->pending_timeout);
 969                 technology->pending_reply = NULL;
 970                 technology->pending_timeout = 0;
 971         }
 972
 973         if (__sync_fetch_and_sub(&technology->enabled, 1) != 1)
 974                 return 0;
 975
 976         __connman_notifier_disable(type);
 977         technology->state = CONNMAN_TECHNOLOGY_STATE_OFFLINE;
 978         state_changed(technology);
 979
 980         return 0;
 981 }
 982
 983 int __connman_technology_disable(enum connman_service_type type, DBusMessage *msg)
 984 {
 985         struct connman_technology *technology;
 986         GSList *list;
 987         int err = 0;
 988         int ret = -ENODEV;
 989         DBusMessage *reply;
 990
 991         DBG("type %d disable", type);
 992
 993         technology = technology_find(type);
 994         if (technology == NULL) {
 995                 err = -ENXIO;
 996                 goto done;
 997         }
 998
 999         if (technology->pending_reply != NULL) {
1000                 err = -EBUSY;
1001                 goto done;
1002         }
1003
1004         if (technology->tethering == TRUE)
1005                 set_tethering(technology, FALSE);
1006
1007         if (msg != NULL) {
1008                 technology->enable_persistent = FALSE;
1009                 save_state(technology);
1010         }
1011
1012         __connman_rfkill_block(technology->type, TRUE);
1013
1014         for (list = technology->device_list; list; list = list->next) {
1015                 struct connman_device *device = list->data;
1016
1017                 err = __connman_device_disable(device);
1018                 if (err == 0)
1019                         ret = 0;
1020         }
1021
1022 done:
1023         if (ret == 0) {
1024                 if (msg != NULL)
1025                         g_dbus_send_reply(connection, msg, DBUS_TYPE_INVALID);
1026                 return ret;
1027         }
1028
1029         if (msg != NULL) {
1030                 if (err == -EINPROGRESS) {
1031                         technology->pending_reply = dbus_message_ref(msg);
1032                         technology->pending_timeout = g_timeout_add_seconds(10,
1033                                         technology_pending_reply, technology);
1034                 } else {
1035                         reply = __connman_error_failed(msg, -err);
1036                         if (reply != NULL)
1037                                 g_dbus_send_message(connection, reply);
1038                 }
1039         }
1040
1041         return err;
1042 }
1043
1044 int __connman_technology_set_offlinemode(connman_bool_t offlinemode)
1045 {
1046         GSList *list;
1047         int err = -EINVAL;
1048
1049         if (global_offlinemode == offlinemode)
1050                 return 0;
1051
1052         DBG("offlinemode %s", offlinemode ? "On" : "Off");
1053
1054         /*
1055          * This is a bit tricky. When you set offlinemode, there is no
1056          * way to differentiate between attempting offline mode and
1057          * resuming offlinemode from last saved profile. We need that
1058          * information in rfkill_update, otherwise it falls back on the
1059          * technology's persistent state. Hence we set the offline mode here
1060          * but save it & call the notifier only if its successful.
1061          */
1062
1063         global_offlinemode = offlinemode;
1064
1065         /* Traverse technology list, enable/disable each technology. */
1066         for (list = technology_list; list; list = list->next) {
1067                 struct connman_technology *technology = list->data;
1068
1069                 if (offlinemode)
1070                         err = __connman_technology_disable(technology->type, NULL);
1071
1072                 if (!offlinemode && technology->enable_persistent)
1073                         err = __connman_technology_enable(technology->type, NULL);
1074         }
1075
1076         if (err == 0 || err == -EINPROGRESS || err == -EALREADY) {
1077                 connman_technology_save_offlinemode();
1078                 __connman_notifier_offlinemode(offlinemode);
1079         } else
1080                 global_offlinemode = connman_technology_load_offlinemode();
1081
1082         return err;
1083 }
1084
1085 int __connman_technology_add_rfkill(unsigned int index,
1086                                         enum connman_service_type type,
1087                                                 connman_bool_t softblock,
1088                                                 connman_bool_t hardblock)
1089 {
1090         struct connman_technology *technology;
1091         struct connman_rfkill *rfkill;
1092
1093         DBG("index %u type %d soft %u hard %u", index, type,
1094                                                         softblock, hardblock);
1095
1096         technology = technology_get(type);
1097         if (technology == NULL)
1098                 return -ENXIO;
1099
1100         rfkill = g_try_new0(struct connman_rfkill, 1);
1101         if (rfkill == NULL)
1102                 return -ENOMEM;
1103
1104         __connman_notifier_register(type);
1105
1106         rfkill->index = index;
1107         rfkill->type = type;
1108         rfkill->softblock = softblock;
1109         rfkill->hardblock = hardblock;
1110
1111         g_hash_table_replace(technology->rfkill_list, &rfkill->index, rfkill);
1112
1113         if (hardblock) {
1114                 DBG("%s is switched off.", get_name(type));
1115                 return 0;
1116         }
1117
1118         /*
1119          * If Offline mode is on, we softblock the device if it isnt already.
1120          * If Offline mode is off, we rely on the persistent state of tech.
1121          */
1122         if (global_offlinemode) {
1123                 if (!softblock)
1124                         return __connman_rfkill_block(type, TRUE);
1125         } else {
1126                 if (technology->enable_persistent && softblock)
1127                         return __connman_rfkill_block(type, FALSE);
1128                 /* if technology persistent state is offline */
1129                 if (!technology->enable_persistent && !softblock)
1130                         return __connman_rfkill_block(type, TRUE);
1131         }
1132
1133         return 0;
1134 }
1135
1136 int __connman_technology_update_rfkill(unsigned int index,
1137                                         enum connman_service_type type,
1138                                                 connman_bool_t softblock,
1139                                                 connman_bool_t hardblock)
1140 {
1141         struct connman_technology *technology;
1142         struct connman_rfkill *rfkill;
1143
1144         DBG("index %u soft %u hard %u", index, softblock, hardblock);
1145
1146         technology = technology_find(type);
1147         if (technology == NULL)
1148                 return -ENXIO;
1149
1150         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
1151         if (rfkill == NULL)
1152                 return -ENXIO;
1153
1154         if (rfkill->softblock == softblock &&
1155                 rfkill->hardblock == hardblock)
1156                 return 0;
1157
1158         rfkill->softblock = softblock;
1159         rfkill->hardblock = hardblock;
1160
1161         if (hardblock) {
1162                 DBG("%s is switched off.", get_name(type));
1163                 return 0;
1164         }
1165
1166         if (!global_offlinemode) {
1167                 if (technology->enable_persistent && softblock)
1168                         return __connman_rfkill_block(type, FALSE);
1169                 if (!technology->enable_persistent && !softblock)
1170                         return __connman_rfkill_block(type, TRUE);
1171         }
1172
1173         return 0;
1174 }
1175
1176 int __connman_technology_remove_rfkill(unsigned int index,
1177                                         enum connman_service_type type)
1178 {
1179         struct connman_technology *technology;
1180         struct connman_rfkill *rfkill;
1181
1182         DBG("index %u", index);
1183
1184         technology = technology_find(type);
1185         if (technology == NULL)
1186                 return -ENXIO;
1187
1188         rfkill = g_hash_table_lookup(technology->rfkill_list, &index);
1189         if (rfkill == NULL)
1190                 return -ENXIO;
1191
1192         g_hash_table_remove(technology->rfkill_list, &index);
1193
1194         technology_put(technology);
1195
1196         return 0;
1197 }
1198
1199 int __connman_technology_init(void)
1200 {
1201         DBG("");
1202
1203         connection = connman_dbus_get_connection();
1204
1205         global_offlinemode = connman_technology_load_offlinemode();
1206
1207         return 0;
1208 }
1209
1210 void __connman_technology_cleanup(void)
1211 {
1212         DBG("");
1213
1214         dbus_connection_unref(connection);
1215 }