src/device.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  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 = NULL;
  34
  35 struct connman_device {
  36         struct connman_element element;
  37         enum connman_device_type type;
  38         enum connman_device_mode mode;
  39         connman_bool_t secondary;
  40         connman_bool_t powered;
  41         connman_bool_t carrier;
  42         connman_bool_t scanning;
  43         connman_bool_t disconnected;
  44         connman_uint16_t scan_interval;
  45         char *name;
  46         char *node;
  47         char *address;
  48         char *interface;
  49         char *ident;
  50         unsigned int connections;
  51         guint scan_timeout;
  52         struct connman_ipconfig *ipconfig;
  53
  54         struct connman_device_driver *driver;
  55         void *driver_data;
  56
  57         connman_bool_t registered;
  58
  59         char *last_network;
  60         struct connman_network *network;
  61         GHashTable *networks;
  62
  63         DBusMessage *pending;
  64         guint timeout;
  65 };
  66
  67 static gboolean device_scan_trigger(gpointer user_data)
  68 {
  69         struct connman_device *device = user_data;
  70
  71         DBG("device %p", device);
  72
  73         if (device->driver == NULL) {
  74                 device->scan_timeout = 0;
  75                 return FALSE;
  76         }
  77
  78         if (device->driver->scan)
  79                 device->driver->scan(device);
  80
  81         return TRUE;
  82 }
  83
  84 static const char *type2description(enum connman_device_type type)
  85 {
  86         switch (type) {
  87         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  88         case CONNMAN_DEVICE_TYPE_VENDOR:
  89                 break;
  90         case CONNMAN_DEVICE_TYPE_ETHERNET:
  91                 return "Ethernet";
  92         case CONNMAN_DEVICE_TYPE_WIFI:
  93                 return "Wireless";
  94         case CONNMAN_DEVICE_TYPE_WIMAX:
  95                 return "WiMAX";
  96         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  97                 return "Bluetooth";
  98         case CONNMAN_DEVICE_TYPE_GPS:
  99                 return "GPS";
 100         case CONNMAN_DEVICE_TYPE_HSO:
 101         case CONNMAN_DEVICE_TYPE_NOZOMI:
 102         case CONNMAN_DEVICE_TYPE_HUAWEI:
 103         case CONNMAN_DEVICE_TYPE_NOVATEL:
 104                 return "Cellular";
 105         }
 106
 107         return NULL;
 108 }
 109
 110 static const char *type2string(enum connman_device_type type)
 111 {
 112         switch (type) {
 113         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 114         case CONNMAN_DEVICE_TYPE_VENDOR:
 115                 break;
 116         case CONNMAN_DEVICE_TYPE_ETHERNET:
 117                 return "ethernet";
 118         case CONNMAN_DEVICE_TYPE_WIFI:
 119                 return "wifi";
 120         case CONNMAN_DEVICE_TYPE_WIMAX:
 121                 return "wimax";
 122         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 123                 return "bluetooth";
 124         case CONNMAN_DEVICE_TYPE_GPS:
 125                 return "gps";
 126         case CONNMAN_DEVICE_TYPE_HSO:
 127         case CONNMAN_DEVICE_TYPE_HUAWEI:
 128         case CONNMAN_DEVICE_TYPE_NOZOMI:
 129         case CONNMAN_DEVICE_TYPE_NOVATEL:
 130                 return "cellular";
 131         }
 132
 133         return NULL;
 134 }
 135
 136 static int set_connected(struct connman_device *device,
 137                                                 connman_bool_t connected)
 138 {
 139         if (connected == TRUE) {
 140                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 141                 struct connman_element *element;
 142
 143                 device->disconnected = TRUE;
 144
 145                 switch (device->element.ipv4.method) {
 146                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 147                 case CONNMAN_IPCONFIG_METHOD_OFF:
 148                         return 0;
 149                 case CONNMAN_IPCONFIG_METHOD_STATIC:
 150                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 151                         break;
 152                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 153                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 154                         break;
 155                 }
 156
 157                 element = connman_element_create(NULL);
 158                 if (element != NULL) {
 159                         struct connman_service *service;
 160
 161                         element->type  = type;
 162                         element->index = device->element.index;
 163
 164                         if (connman_element_register(element,
 165                                                         &device->element) < 0)
 166                                 connman_element_unref(element);
 167
 168                         device->disconnected = FALSE;
 169
 170                         service = __connman_service_lookup_from_device(device);
 171                         __connman_service_indicate_state(service,
 172                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 173                 }
 174         } else {
 175                 connman_element_unregister_children(&device->element);
 176
 177                 device->disconnected = TRUE;
 178         }
 179
 180         return 0;
 181 }
 182
 183 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 184 {
 185         struct connman_service *service;
 186
 187         service = __connman_service_lookup_from_device(device);
 188         __connman_service_set_carrier(service, carrier);
 189
 190         return set_connected(device, carrier);
 191 }
 192
 193 static int set_powered(struct connman_device *device, connman_bool_t powered)
 194 {
 195         struct connman_device_driver *driver = device->driver;
 196         int err;
 197
 198         DBG("device %p powered %d", device, powered);
 199
 200         if (!driver)
 201                 return -EINVAL;
 202
 203         if (powered == TRUE) {
 204                 if (driver->enable) {
 205                         err = driver->enable(device);
 206                         __connman_notifier_device_type_increase(device->type);
 207                 } else
 208                         err = -EINVAL;
 209         } else {
 210                 g_hash_table_remove_all(device->networks);
 211
 212                 set_carrier(device, FALSE);
 213
 214                 if (driver->disable) {
 215                         err = driver->disable(device);
 216                         __connman_notifier_device_type_decrease(device->type);
 217                 } else
 218                         err = -EINVAL;
 219         }
 220
 221         return err;
 222 }
 223
 224 static void append_path(gpointer key, gpointer value, gpointer user_data)
 225 {
 226         struct connman_element *element = value;
 227         DBusMessageIter *iter = user_data;
 228
 229         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 230                                                         &element->path);
 231 }
 232
 233 static void append_networks(struct connman_device *device,
 234                                                 DBusMessageIter *entry)
 235 {
 236         DBusMessageIter value, iter;
 237         const char *key = "Networks";
 238
 239         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 240
 241         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 242                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 243                                                                 &value);
 244
 245         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 246                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 247         g_hash_table_foreach(device->networks, append_path, &iter);
 248         dbus_message_iter_close_container(&value, &iter);
 249
 250         dbus_message_iter_close_container(entry, &value);
 251 }
 252
 253 static DBusMessage *get_properties(DBusConnection *conn,
 254                                         DBusMessage *msg, void *data)
 255 {
 256         struct connman_device *device = data;
 257         DBusMessage *reply;
 258         DBusMessageIter array, dict, entry;
 259         const char *str;
 260
 261         DBG("conn %p", conn);
 262
 263         if (__connman_security_check_privilege(msg,
 264                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 265                 return __connman_error_permission_denied(msg);
 266
 267         reply = dbus_message_new_method_return(msg);
 268         if (reply == NULL)
 269                 return NULL;
 270
 271         dbus_message_iter_init_append(reply, &array);
 272
 273         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 274                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 275                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 276                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 277
 278         if (device->name != NULL)
 279                 connman_dbus_dict_append_variant(&dict, "Name",
 280                                         DBUS_TYPE_STRING, &device->name);
 281
 282         str = type2string(device->type);
 283         if (str != NULL)
 284                 connman_dbus_dict_append_variant(&dict, "Type",
 285                                                 DBUS_TYPE_STRING, &str);
 286
 287         if (device->address != NULL)
 288                 connman_dbus_dict_append_variant(&dict, "Address",
 289                                         DBUS_TYPE_STRING, &device->address);
 290
 291         if (device->interface != NULL)
 292                 connman_dbus_dict_append_variant(&dict, "Interface",
 293                                         DBUS_TYPE_STRING, &device->interface);
 294
 295         connman_dbus_dict_append_variant(&dict, "Powered",
 296                                         DBUS_TYPE_BOOLEAN, &device->powered);
 297
 298         if (device->driver && device->driver->scan)
 299                 connman_dbus_dict_append_variant(&dict, "Scanning",
 300                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 301
 302         switch (device->mode) {
 303         case CONNMAN_DEVICE_MODE_UNKNOWN:
 304                 break;
 305         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 306                 __connman_element_append_ipv4(&device->element, &dict);
 307                 break;
 308         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 309         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 310                 if (device->scan_interval > 0)
 311                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 312                                 DBUS_TYPE_UINT16, &device->scan_interval);
 313
 314                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 315                                                                 NULL, &entry);
 316                 append_networks(device, &entry);
 317                 dbus_message_iter_close_container(&dict, &entry);
 318                 break;
 319         }
 320
 321         dbus_message_iter_close_container(&array, &dict);
 322
 323         return reply;
 324 }
 325
 326 static gboolean powered_timeout(gpointer user_data)
 327 {
 328         struct connman_device *device = user_data;
 329
 330         DBG("device %p", device);
 331
 332         device->timeout = 0;
 333
 334         if (device->pending != NULL) {
 335                 DBusMessage *reply;
 336
 337                 reply = __connman_error_operation_timeout(device->pending);
 338                 if (reply != NULL)
 339                         g_dbus_send_message(connection, reply);
 340
 341                 dbus_message_unref(device->pending);
 342                 device->pending = NULL;
 343         }
 344
 345         return FALSE;
 346 }
 347
 348 static DBusMessage *set_property(DBusConnection *conn,
 349                                         DBusMessage *msg, void *data)
 350 {
 351         struct connman_device *device = data;
 352         DBusMessageIter iter, value;
 353         const char *name;
 354         int type;
 355
 356         DBG("conn %p", conn);
 357
 358         if (dbus_message_iter_init(msg, &iter) == FALSE)
 359                 return __connman_error_invalid_arguments(msg);
 360
 361         dbus_message_iter_get_basic(&iter, &name);
 362         dbus_message_iter_next(&iter);
 363         dbus_message_iter_recurse(&iter, &value);
 364
 365         if (__connman_security_check_privilege(msg,
 366                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 367                 return __connman_error_permission_denied(msg);
 368
 369         type = dbus_message_iter_get_arg_type(&value);
 370
 371         if (g_str_equal(name, "Powered") == TRUE) {
 372                 connman_bool_t powered;
 373                 int err;
 374
 375                 if (type != DBUS_TYPE_BOOLEAN)
 376                         return __connman_error_invalid_arguments(msg);
 377
 378                 dbus_message_iter_get_basic(&value, &powered);
 379
 380                 if (device->powered == powered)
 381                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 382
 383                 if (device->pending != NULL)
 384                         return __connman_error_in_progress(msg);
 385
 386                 err = set_powered(device, powered);
 387                 if (err < 0) {
 388                         if (err != -EINPROGRESS)
 389                                 return __connman_error_failed(msg, -err);
 390
 391                         device->pending = dbus_message_ref(msg);
 392
 393                         device->timeout = g_timeout_add_seconds(15,
 394                                                 powered_timeout, device);
 395
 396                         return NULL;
 397                 }
 398         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 399                 connman_uint16_t interval;
 400
 401                 switch (device->mode) {
 402                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 403                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 404                         return __connman_error_invalid_arguments(msg);
 405                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 406                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 407                         break;
 408                 }
 409
 410                 if (type != DBUS_TYPE_UINT16)
 411                         return __connman_error_invalid_arguments(msg);
 412
 413                 dbus_message_iter_get_basic(&value, &interval);
 414
 415                 device->scan_interval = interval;
 416
 417                 if (device->scan_timeout > 0) {
 418                         g_source_remove(device->scan_timeout);
 419                         device->scan_timeout = 0;
 420                 }
 421
 422                 if (device->scan_interval > 0) {
 423                         guint interval = device->scan_interval;
 424                         device->scan_timeout = g_timeout_add_seconds(interval,
 425                                                 device_scan_trigger, device);
 426                 }
 427         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 428                 int err;
 429
 430                 switch (device->mode) {
 431                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 432                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 433                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 434                         return __connman_error_invalid_arguments(msg);
 435                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 436                         break;
 437                 }
 438
 439                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 440                                                         name + 5, &value);
 441                 if (err < 0)
 442                         return __connman_error_failed(msg, -err);
 443         } else
 444                 return __connman_error_invalid_property(msg);
 445
 446         __connman_storage_save_device(device);
 447
 448         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 449 }
 450
 451 static char *build_group(const unsigned char *ssid, unsigned int ssid_len,
 452                                         const char *mode, const char *security)
 453 {
 454         GString *str;
 455         unsigned int i;
 456
 457         str = g_string_sized_new((ssid_len * 2) + 24);
 458         if (str == NULL)
 459                 return NULL;
 460
 461         if (ssid_len > 0 && ssid[0] != '\0') {
 462                 for (i = 0; i < ssid_len; i++)
 463                         g_string_append_printf(str, "%02x", ssid[i]);
 464         }
 465
 466         g_string_append_printf(str, "_%s_%s", mode, security);
 467
 468         return g_string_free(str, FALSE);
 469 }
 470
 471 static DBusMessage *join_network(DBusConnection *conn,
 472                                         DBusMessage *msg, void *data)
 473 {
 474         struct connman_device *device = data;
 475         struct connman_network *network;
 476         enum connman_network_type type;
 477         unsigned int ssid_size;
 478         const char *group, *mode, *security;
 479         const void *ssid;
 480         DBusMessageIter iter, array;
 481         int err, index;
 482
 483         DBG("conn %p", conn);
 484
 485         if (__connman_security_check_privilege(msg,
 486                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 487                 return __connman_error_permission_denied(msg);
 488
 489         if (!device->driver || !device->driver->join)
 490                 return __connman_error_not_supported(msg);
 491
 492         dbus_message_iter_init(msg, &iter);
 493         dbus_message_iter_recurse(&iter, &array);
 494
 495         switch (device->type) {
 496         case CONNMAN_DEVICE_TYPE_WIFI:
 497                 type = CONNMAN_NETWORK_TYPE_WIFI;
 498                 break;
 499         default:
 500                 return __connman_error_not_supported(msg);
 501         }
 502
 503         network = connman_network_create("00_00_00_00_00_00", type);
 504         if (network == NULL)
 505                 return __connman_error_failed(msg, ENOMEM);
 506
 507         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 508                 DBusMessageIter entry, value;
 509                 const char *key, *str;
 510
 511                 dbus_message_iter_recurse(&array, &entry);
 512                 dbus_message_iter_get_basic(&entry, &key);
 513
 514                 dbus_message_iter_next(&entry);
 515                 dbus_message_iter_recurse(&entry, &value);
 516
 517                 switch (dbus_message_iter_get_arg_type(&value)) {
 518                 case DBUS_TYPE_STRING:
 519                         dbus_message_iter_get_basic(&value, &str);
 520                         if (g_str_equal(key, "WiFi.SSID") == TRUE)
 521                                 connman_network_set_blob(network, key,
 522                                                         str, strlen(str));
 523                         else
 524                                 connman_network_set_string(network, key, str);
 525                         break;
 526                 }
 527
 528                 dbus_message_iter_next(&array);
 529         }
 530
 531         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_size);
 532         mode = connman_network_get_string(network, "WiFi.Mode");
 533         security = connman_network_get_string(network, "WiFi.Security");
 534         group = build_group(ssid, ssid_size, mode, security);
 535
 536         connman_network_set_group(network, group);
 537
 538         index = connman_device_get_index(device);
 539         connman_network_set_index(network, index);
 540
 541         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 542
 543         err = device->driver->join(device, network);
 544
 545         connman_network_unref(network);
 546
 547         if (err < 0)
 548                 return __connman_error_failed(msg, -err);
 549
 550         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 551 }
 552
 553 static DBusMessage *create_network(DBusConnection *conn,
 554                                         DBusMessage *msg, void *data)
 555 {
 556         DBG("conn %p", conn);
 557
 558         if (__connman_security_check_privilege(msg,
 559                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 560                 return __connman_error_permission_denied(msg);
 561
 562         return __connman_error_invalid_arguments(msg);
 563 }
 564
 565 static DBusMessage *remove_network(DBusConnection *conn,
 566                                         DBusMessage *msg, void *data)
 567 {
 568         DBG("conn %p", conn);
 569
 570         if (__connman_security_check_privilege(msg,
 571                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 572                 return __connman_error_permission_denied(msg);
 573
 574         return __connman_error_invalid_arguments(msg);
 575 }
 576
 577 static DBusMessage *propose_scan(DBusConnection *conn,
 578                                         DBusMessage *msg, void *data)
 579 {
 580         struct connman_device *device = data;
 581         int err;
 582
 583         DBG("conn %p", conn);
 584
 585         switch (device->mode) {
 586         case CONNMAN_DEVICE_MODE_UNKNOWN:
 587         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 588                 return __connman_error_not_supported(msg);
 589         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 590         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 591                 break;
 592         }
 593
 594         if (!device->driver || !device->driver->scan)
 595                 return __connman_error_not_supported(msg);
 596
 597         if (device->powered == FALSE)
 598                 return __connman_error_failed(msg, EINVAL);
 599
 600         err = device->driver->scan(device);
 601         if (err < 0)
 602                 return __connman_error_failed(msg, -err);
 603
 604         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 605 }
 606
 607 static GDBusMethodTable device_methods[] = {
 608         { "GetProperties", "",      "a{sv}", get_properties },
 609         { "SetProperty",   "sv",    "",      set_property,
 610                                                 G_DBUS_METHOD_FLAG_ASYNC },
 611         { "JoinNetwork",   "a{sv}", "",      join_network   },
 612         { "CreateNetwork", "a{sv}", "o",     create_network },
 613         { "RemoveNetwork", "o",     "",      remove_network },
 614         { "ProposeScan",   "",      "",      propose_scan   },
 615         { },
 616 };
 617
 618 static GDBusSignalTable device_signals[] = {
 619         { "PropertyChanged", "sv" },
 620         { },
 621 };
 622
 623 static void append_devices(DBusMessageIter *entry)
 624 {
 625         DBusMessageIter value, iter;
 626         const char *key = "Devices";
 627
 628         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 629
 630         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 631                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 632                                                                 &value);
 633
 634         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 635                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 636         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 637         dbus_message_iter_close_container(&value, &iter);
 638
 639         dbus_message_iter_close_container(entry, &value);
 640 }
 641
 642 static void emit_devices_signal(void)
 643 {
 644         DBusMessage *signal;
 645         DBusMessageIter entry;
 646
 647         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 648                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 649         if (signal == NULL)
 650                 return;
 651
 652         dbus_message_iter_init_append(signal, &entry);
 653
 654         append_devices(&entry);
 655
 656         g_dbus_send_message(connection, signal);
 657 }
 658
 659 static int register_interface(struct connman_element *element)
 660 {
 661         struct connman_device *device = element->device;
 662
 663         DBG("element %p name %s", element, element->name);
 664
 665         if (g_dbus_register_interface(connection, element->path,
 666                                         CONNMAN_DEVICE_INTERFACE,
 667                                         device_methods, device_signals,
 668                                         NULL, device, NULL) == FALSE) {
 669                 connman_error("Failed to register %s device", element->path);
 670                 return -EIO;
 671         }
 672
 673         device->registered = TRUE;
 674
 675         emit_devices_signal();
 676
 677         return 0;
 678 }
 679
 680 static void unregister_interface(struct connman_element *element)
 681 {
 682         struct connman_device *device = element->device;
 683
 684         DBG("element %p name %s", element, element->name);
 685
 686         device->registered = FALSE;
 687
 688         emit_devices_signal();
 689
 690         g_dbus_unregister_interface(connection, element->path,
 691                                                 CONNMAN_DEVICE_INTERFACE);
 692 }
 693
 694 static void device_enable(struct connman_device *device)
 695 {
 696         DBG("device %p", device);
 697
 698         if (device->powered == TRUE)
 699                 return;
 700
 701         if (device->driver->enable) {
 702                 device->driver->enable(device);
 703                 __connman_notifier_device_type_increase(device->type);
 704         }
 705 }
 706
 707 static void device_disable(struct connman_device *device)
 708 {
 709         DBG("device %p", device);
 710
 711         if (device->powered == FALSE)
 712                 return;
 713
 714         g_hash_table_remove_all(device->networks);
 715
 716         if (device->driver->disable) {
 717                 device->driver->disable(device);
 718                 __connman_notifier_device_type_decrease(device->type);
 719         }
 720 }
 721
 722 static int setup_device(struct connman_device *device)
 723 {
 724         int err;
 725
 726         DBG("device %p", device);
 727
 728         err = register_interface(&device->element);
 729         if (err < 0) {
 730                 if (device->driver->remove)
 731                         device->driver->remove(device);
 732                 device->driver = NULL;
 733                 return err;
 734         }
 735
 736         switch (device->mode) {
 737         case CONNMAN_DEVICE_MODE_UNKNOWN:
 738         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 739         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 740                 break;
 741         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 742                 if (device->secondary == FALSE)
 743                         __connman_profile_add_device(device);
 744                 break;
 745         }
 746
 747         device_enable(device);
 748
 749         return 0;
 750 }
 751
 752 static void probe_driver(struct connman_element *element, gpointer user_data)
 753 {
 754         struct connman_device_driver *driver = user_data;
 755
 756         DBG("element %p name %s", element, element->name);
 757
 758         if (element->device == NULL)
 759                 return;
 760
 761         if (element->device->driver != NULL)
 762                 return;
 763
 764         if (driver->type != element->device->type)
 765                 return;
 766
 767         if (driver->probe(element->device) < 0)
 768                 return;
 769
 770         element->device->driver = driver;
 771
 772         setup_device(element->device);
 773 }
 774
 775 static void remove_device(struct connman_device *device)
 776 {
 777         DBG("device %p", device);
 778
 779         device_disable(device);
 780
 781         switch (device->mode) {
 782         case CONNMAN_DEVICE_MODE_UNKNOWN:
 783         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 784         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 785                 break;
 786         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 787                 if (device->secondary == FALSE)
 788                         __connman_profile_remove_device(device);
 789                 break;
 790         }
 791
 792         unregister_interface(&device->element);
 793
 794         if (device->driver->remove)
 795                 device->driver->remove(device);
 796
 797         device->driver = NULL;
 798 }
 799
 800 static void remove_driver(struct connman_element *element, gpointer user_data)
 801 {
 802         struct connman_device_driver *driver = user_data;
 803
 804         DBG("element %p name %s", element, element->name);
 805
 806         if (element->device == NULL)
 807                 return;
 808
 809         if (element->device->driver == driver)
 810                 remove_device(element->device);
 811 }
 812
 813 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 814 {
 815         if (device == NULL || device->driver == NULL)
 816                 return FALSE;
 817
 818         return device->registered;
 819 }
 820
 821 static GSList *driver_list = NULL;
 822
 823 static gint compare_priority(gconstpointer a, gconstpointer b)
 824 {
 825         const struct connman_device_driver *driver1 = a;
 826         const struct connman_device_driver *driver2 = b;
 827
 828         return driver2->priority - driver1->priority;
 829 }
 830
 831 /**
 832  * connman_device_driver_register:
 833  * @driver: device driver definition
 834  *
 835  * Register a new device driver
 836  *
 837  * Returns: %0 on success
 838  */
 839 int connman_device_driver_register(struct connman_device_driver *driver)
 840 {
 841         DBG("driver %p name %s", driver, driver->name);
 842
 843         driver_list = g_slist_insert_sorted(driver_list, driver,
 844                                                         compare_priority);
 845
 846         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 847                                                 probe_driver, driver);
 848
 849         return 0;
 850 }
 851
 852 /**
 853  * connman_device_driver_unregister:
 854  * @driver: device driver definition
 855  *
 856  * Remove a previously registered device driver
 857  */
 858 void connman_device_driver_unregister(struct connman_device_driver *driver)
 859 {
 860         DBG("driver %p name %s", driver, driver->name);
 861
 862         driver_list = g_slist_remove(driver_list, driver);
 863
 864         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 865                                                 remove_driver, driver);
 866 }
 867
 868 static void unregister_network(gpointer data)
 869 {
 870         struct connman_network *network = data;
 871
 872         DBG("network %p", network);
 873
 874         connman_element_unregister((struct connman_element *) network);
 875
 876         connman_network_unref(network);
 877 }
 878
 879 static void device_destruct(struct connman_element *element)
 880 {
 881         struct connman_device *device = element->device;
 882
 883         DBG("element %p name %s", element, element->name);
 884
 885         if (device->timeout > 0) {
 886                 g_source_remove(device->timeout);
 887                 device->timeout = 0;
 888         }
 889
 890         if (device->pending != NULL) {
 891                 dbus_message_unref(device->pending);
 892                 device->pending = NULL;
 893         }
 894
 895         g_free(device->ident);
 896         g_free(device->node);
 897         g_free(device->name);
 898         g_free(device->address);
 899         g_free(device->interface);
 900
 901         connman_ipconfig_unref(device->ipconfig);
 902
 903         g_free(device->last_network);
 904
 905         g_hash_table_destroy(device->networks);
 906         device->networks = NULL;
 907 }
 908
 909 /**
 910  * connman_device_create:
 911  * @node: device node name (for example an address)
 912  * @type: device type
 913  *
 914  * Allocate a new device of given #type and assign the #node name to it.
 915  *
 916  * Returns: a newly-allocated #connman_device structure
 917  */
 918 struct connman_device *connman_device_create(const char *node,
 919                                                 enum connman_device_type type)
 920 {
 921         struct connman_device *device;
 922         const char *str;
 923
 924         DBG("node %s type %d", node, type);
 925
 926         device = g_try_new0(struct connman_device, 1);
 927         if (device == NULL)
 928                 return NULL;
 929
 930         DBG("device %p", device);
 931
 932         __connman_element_initialize(&device->element);
 933
 934         device->element.name = g_strdup(node);
 935         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 936
 937         device->element.device = device;
 938         device->element.destruct = device_destruct;
 939
 940         str = type2string(type);
 941         if (str != NULL)
 942                 connman_element_set_string(&device->element,
 943                                         CONNMAN_PROPERTY_ID_TYPE, str);
 944
 945         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 946
 947         device->type      = type;
 948         device->name      = g_strdup(type2description(device->type));
 949         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
 950         device->secondary = FALSE;
 951
 952         switch (type) {
 953         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 954         case CONNMAN_DEVICE_TYPE_VENDOR:
 955                 device->scan_interval = 0;
 956                 break;
 957         case CONNMAN_DEVICE_TYPE_ETHERNET:
 958         case CONNMAN_DEVICE_TYPE_WIFI:
 959                 device->scan_interval = 300;
 960                 break;
 961         case CONNMAN_DEVICE_TYPE_WIMAX:
 962                 device->scan_interval = 0;
 963                 break;
 964         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 965                 device->scan_interval = 0;
 966                 break;
 967         case CONNMAN_DEVICE_TYPE_GPS:
 968                 device->scan_interval = 0;
 969                 break;
 970         case CONNMAN_DEVICE_TYPE_HSO:
 971         case CONNMAN_DEVICE_TYPE_NOZOMI:
 972         case CONNMAN_DEVICE_TYPE_HUAWEI:
 973         case CONNMAN_DEVICE_TYPE_NOVATEL:
 974                 device->scan_interval = 0;
 975                 break;
 976         }
 977
 978         device->ipconfig = connman_ipconfig_create();
 979         if (device->ipconfig == NULL) {
 980                 connman_device_unref(device);
 981                 return NULL;
 982         }
 983
 984         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
 985                                                 g_free, unregister_network);
 986
 987         return device;
 988 }
 989
 990 /**
 991  * connman_device_ref:
 992  * @device: device structure
 993  *
 994  * Increase reference counter of device
 995  */
 996 struct connman_device *connman_device_ref(struct connman_device *device)
 997 {
 998         if (connman_element_ref(&device->element) == NULL)
 999                 return NULL;
1000
1001         return device;
1002 }
1003
1004 /**
1005  * connman_device_unref:
1006  * @device: device structure
1007  *
1008  * Decrease reference counter of device
1009  */
1010 void connman_device_unref(struct connman_device *device)
1011 {
1012         connman_element_unref(&device->element);
1013 }
1014
1015 const char *__connman_device_get_type(struct connman_device *device)
1016 {
1017         return type2string(device->type);
1018 }
1019
1020 /**
1021  * connman_device_get_type:
1022  * @device: device structure
1023  *
1024  * Get type of device
1025  */
1026 enum connman_device_type connman_device_get_type(struct connman_device *device)
1027 {
1028         return device->type;
1029 }
1030
1031 /**
1032  * connman_device_get_name:
1033  * @device: device structure
1034  *
1035  * Get unique name of device
1036  */
1037 const char *connman_device_get_name(struct connman_device *device)
1038 {
1039         return device->element.name;
1040 }
1041
1042 /**
1043  * connman_device_get_path:
1044  * @device: device structure
1045  *
1046  * Get path name of device
1047  */
1048 const char *connman_device_get_path(struct connman_device *device)
1049 {
1050         return device->element.path;
1051 }
1052
1053 /**
1054  * connman_device_set_index:
1055  * @device: device structure
1056  * @index: index number
1057  *
1058  * Set index number of device
1059  */
1060 void connman_device_set_index(struct connman_device *device, int index)
1061 {
1062         device->element.index = index;
1063 }
1064
1065 /**
1066  * connman_device_get_index:
1067  * @device: device structure
1068  *
1069  * Get index number of device
1070  */
1071 int connman_device_get_index(struct connman_device *device)
1072 {
1073         return device->element.index;
1074 }
1075
1076 /**
1077  * connman_device_set_interface:
1078  * @device: device structure
1079  * @interface: interface name
1080  *
1081  * Set interface name of device
1082  */
1083 void connman_device_set_interface(struct connman_device *device,
1084                                                         const char *interface)
1085 {
1086         g_free(device->element.devname);
1087         device->element.devname = g_strdup(interface);
1088
1089         g_free(device->interface);
1090         device->interface = g_strdup(interface);
1091
1092         if (device->name == NULL) {
1093                 const char *str = type2description(device->type);
1094                 if (str != NULL && device->interface != NULL)
1095                         device->name = g_strdup_printf("%s (%s)", str,
1096                                                         device->interface);
1097         }
1098 }
1099
1100 /**
1101  * connman_device_get_interface:
1102  * @device: device structure
1103  *
1104  * Get interface name of device
1105  */
1106 const char *connman_device_get_interface(struct connman_device *device)
1107 {
1108         return device->interface;
1109 }
1110
1111 /**
1112  * connman_device_set_ident:
1113  * @device: device structure
1114  * @ident: unique identifier
1115  *
1116  * Set unique identifier of device
1117  */
1118 void connman_device_set_ident(struct connman_device *device,
1119                                                         const char *ident)
1120 {
1121         g_free(device->ident);
1122         device->ident = g_strdup(ident);
1123 }
1124
1125 const char *__connman_device_get_ident(struct connman_device *device)
1126 {
1127         return device->ident;
1128 }
1129
1130 /**
1131  * connman_device_set_mode:
1132  * @device: device structure
1133  * @mode: network mode
1134  *
1135  * Change network mode of device
1136  */
1137 void connman_device_set_mode(struct connman_device *device,
1138                                                 enum connman_device_mode mode)
1139 {
1140         device->mode = mode;
1141 }
1142
1143 /**
1144  * connman_device_get_mode:
1145  * @device: device structure
1146  *
1147  * Get network mode of device
1148  */
1149 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1150 {
1151         return device->mode;
1152 }
1153
1154 /**
1155  * connman_device_set_secondary:
1156  * @device: device structure
1157  * @secondary: secondary value
1158  *
1159  * Change secondary value of device
1160  */
1161 void connman_device_set_secondary(struct connman_device *device,
1162                                                 connman_bool_t secondary)
1163 {
1164         device->secondary = secondary;
1165 }
1166
1167 /**
1168  * connman_device_get_secondary:
1169  * @device: device structure
1170  *
1171  * Get secondary value of device
1172  */
1173 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1174 {
1175         return device->secondary;
1176 }
1177
1178 /**
1179  * connman_device_set_powered:
1180  * @device: device structure
1181  * @powered: powered state
1182  *
1183  * Change power state of device
1184  */
1185 int connman_device_set_powered(struct connman_device *device,
1186                                                 connman_bool_t powered)
1187 {
1188         DBusMessage *signal;
1189         DBusMessageIter entry, value;
1190         const char *key = "Powered";
1191
1192         DBG("driver %p powered %d", device, powered);
1193
1194         if (device->timeout > 0) {
1195                 g_source_remove(device->timeout);
1196                 device->timeout = 0;
1197         }
1198
1199         if (device->pending != NULL) {
1200                 g_dbus_send_reply(connection, device->pending,
1201                                                         DBUS_TYPE_INVALID);
1202
1203                 dbus_message_unref(device->pending);
1204                 device->pending = NULL;
1205         }
1206
1207         if (device->powered == powered)
1208                 return -EALREADY;
1209
1210         device->powered = powered;
1211
1212         if (device->registered == FALSE)
1213                 return 0;
1214
1215         signal = dbus_message_new_signal(device->element.path,
1216                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1217         if (signal == NULL)
1218                 return 0;
1219
1220         dbus_message_iter_init_append(signal, &entry);
1221
1222         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1223
1224         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1225                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1226         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1227         dbus_message_iter_close_container(&entry, &value);
1228
1229         g_dbus_send_message(connection, signal);
1230
1231         if (powered == FALSE)
1232                 return 0;
1233
1234         if (device->scan_timeout > 0) {
1235                 g_source_remove(device->scan_timeout);
1236                 device->scan_timeout = 0;
1237         }
1238
1239         if (device->scan_interval > 0) {
1240                 guint interval = device->scan_interval;
1241                 device->scan_timeout = g_timeout_add_seconds(interval,
1242                                         device_scan_trigger, device);
1243         }
1244
1245         if (device->driver->scan)
1246                 device->driver->scan(device);
1247
1248         return 0;
1249 }
1250
1251 /**
1252  * connman_device_set_carrier:
1253  * @device: device structure
1254  * @carrier: carrier state
1255  *
1256  * Change carrier state of device (only for device without scanning)
1257  */
1258 int connman_device_set_carrier(struct connman_device *device,
1259                                                 connman_bool_t carrier)
1260 {
1261         DBG("device %p carrier %d", device, carrier);
1262
1263         switch (device->mode) {
1264         case CONNMAN_DEVICE_MODE_UNKNOWN:
1265         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1266         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1267                 return -EINVAL;
1268         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1269                 break;
1270         }
1271
1272         if (device->carrier == carrier)
1273                 return -EALREADY;
1274
1275         device->carrier = carrier;
1276
1277         return set_carrier(device, device->carrier);
1278 }
1279
1280 int __connman_device_connect(struct connman_device *device)
1281 {
1282         DBG("device %p", device);
1283
1284         if (device->disconnected == FALSE)
1285                 return -EINVAL;
1286
1287         if (device->driver && device->driver->connect)
1288                 device->driver->connect(device);
1289
1290         return 0;
1291 }
1292
1293 int __connman_device_disconnect(struct connman_device *device)
1294 {
1295         GHashTableIter iter;
1296         gpointer key, value;
1297
1298         DBG("device %p", device);
1299
1300         connman_device_set_disconnected(device, TRUE);
1301
1302         g_hash_table_iter_init(&iter, device->networks);
1303
1304         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1305                 struct connman_network *network = value;
1306
1307                 if (connman_network_get_connected(network) == TRUE)
1308                         __connman_network_disconnect(network);
1309         }
1310
1311         if (device->driver && device->driver->disconnect)
1312                 device->driver->disconnect(device);
1313
1314         return 0;
1315 }
1316
1317 static void connect_known_network(struct connman_device *device)
1318 {
1319         struct connman_network *network = NULL;
1320         GHashTableIter iter;
1321         gpointer key, value;
1322         const char *name;
1323         unsigned int count = 0;
1324
1325         DBG("device %p", device);
1326
1327         g_hash_table_iter_init(&iter, device->networks);
1328
1329         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1330                 connman_uint8_t old_strength, new_strength;
1331
1332                 count++;
1333
1334                 if (connman_network_get_available(value) == FALSE)
1335                         continue;
1336
1337                 name = connman_network_get_string(value,
1338                                                 CONNMAN_PROPERTY_ID_NAME);
1339                 if (name != NULL && device->last_network != NULL) {
1340                         if (g_str_equal(name, device->last_network) == TRUE) {
1341                                 network = value;
1342                                 break;
1343                         }
1344                 }
1345
1346                 if (network == NULL) {
1347                         network = value;
1348                         continue;
1349                 }
1350
1351                 old_strength = connman_network_get_uint8(network,
1352                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1353                 new_strength = connman_network_get_uint8(value,
1354                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1355
1356                 if (new_strength > old_strength)
1357                         network = value;
1358         }
1359
1360         if (network != NULL) {
1361                 int err;
1362
1363                 name = connman_network_get_string(value,
1364                                                 CONNMAN_PROPERTY_ID_NAME);
1365                 if (name != NULL) {
1366                         err = __connman_network_connect(network);
1367                         if (err == 0 || err == -EINPROGRESS)
1368                                 return;
1369                 }
1370         }
1371
1372         if (count > 0)
1373                 return;
1374
1375         if (device->driver && device->driver->scan)
1376                 device->driver->scan(device);
1377 }
1378
1379 static void mark_network_unavailable(gpointer key, gpointer value,
1380                                                         gpointer user_data)
1381 {
1382         struct connman_network *network = value;
1383
1384         if (connman_network_get_connected(network) == TRUE)
1385                 return;
1386
1387         connman_network_set_available(network, FALSE);
1388 }
1389
1390 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1391                                                         gpointer user_data)
1392 {
1393         struct connman_network *network = value;
1394
1395         if (connman_network_get_connected(network) == TRUE)
1396                 return FALSE;
1397
1398         if (connman_network_get_available(network) == TRUE)
1399                 return FALSE;
1400
1401         return TRUE;
1402 }
1403
1404 /**
1405  * connman_device_set_scanning:
1406  * @device: device structure
1407  * @scanning: scanning state
1408  *
1409  * Change scanning state of device
1410  */
1411 int connman_device_set_scanning(struct connman_device *device,
1412                                                 connman_bool_t scanning)
1413 {
1414         DBusMessage *signal;
1415         DBusMessageIter entry, value;
1416         const char *key = "Scanning";
1417
1418         DBG("device %p scanning %d", device, scanning);
1419
1420         if (!device->driver || !device->driver->scan)
1421                 return -EINVAL;
1422
1423         if (device->scanning == scanning)
1424                 return -EALREADY;
1425
1426         device->scanning = scanning;
1427
1428         signal = dbus_message_new_signal(device->element.path,
1429                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1430         if (signal == NULL)
1431                 return 0;
1432
1433         dbus_message_iter_init_append(signal, &entry);
1434
1435         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1436
1437         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1438                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1439         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1440         dbus_message_iter_close_container(&entry, &value);
1441
1442         g_dbus_send_message(connection, signal);
1443
1444         if (scanning == TRUE) {
1445                 if (device->scan_timeout > 0) {
1446                         g_source_remove(device->scan_timeout);
1447                         device->scan_timeout = 0;
1448                 }
1449
1450                 if (device->scan_interval > 0) {
1451                         guint interval = device->scan_interval;
1452                         device->scan_timeout = g_timeout_add_seconds(interval,
1453                                                 device_scan_trigger, device);
1454                 }
1455
1456                 g_hash_table_foreach(device->networks,
1457                                         mark_network_unavailable, NULL);
1458                 return 0;
1459         }
1460
1461         g_hash_table_foreach_remove(device->networks,
1462                                         remove_unavailable_network, NULL);
1463
1464         if (device->connections > 0)
1465                 return 0;
1466
1467         if (device->disconnected == TRUE)
1468                 return 0;
1469
1470         connect_known_network(device);
1471
1472         return 0;
1473 }
1474
1475 /**
1476  * connman_device_set_disconnected:
1477  * @device: device structure
1478  * @disconnected: disconnected state
1479  *
1480  * Change disconnected state of device (only for device with networks)
1481  */
1482 int connman_device_set_disconnected(struct connman_device *device,
1483                                                 connman_bool_t disconnected)
1484 {
1485         DBG("device %p disconnected %d", device, disconnected);
1486
1487         switch (device->mode) {
1488         case CONNMAN_DEVICE_MODE_UNKNOWN:
1489         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1490                 return -EINVAL;
1491         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1492         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1493                 break;
1494         }
1495
1496         if (device->disconnected == disconnected)
1497                 return -EALREADY;
1498
1499         device->disconnected = disconnected;
1500
1501         return 0;
1502 }
1503
1504 /**
1505  * connman_device_set_connected:
1506  * @device: device structure
1507  * @connected: connected state
1508  *
1509  * Change connected state of device (for Ethernet like devices)
1510  */
1511 int connman_device_set_connected(struct connman_device *device,
1512                                                 connman_bool_t connected)
1513 {
1514         DBG("device %p connected %d", device, connected);
1515
1516         switch (device->mode) {
1517         case CONNMAN_DEVICE_MODE_UNKNOWN:
1518         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1519         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1520                 return -EINVAL;
1521         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1522                 break;
1523         }
1524
1525         if (device->carrier == FALSE)
1526                 return -ENOTCONN;
1527
1528         return set_connected(device, connected);
1529 }
1530
1531 /**
1532  * connman_device_set_string:
1533  * @device: device structure
1534  * @key: unique identifier
1535  * @value: string value
1536  *
1537  * Set string value for specific key
1538  */
1539 int connman_device_set_string(struct connman_device *device,
1540                                         const char *key, const char *value)
1541 {
1542         DBG("device %p key %s value %s", device, key, value);
1543
1544         if (g_str_equal(key, "Address") == TRUE) {
1545                 g_free(device->address);
1546                 device->address = g_strdup(value);
1547         } else if (g_str_equal(key, "Name") == TRUE) {
1548                 g_free(device->name);
1549                 device->name = g_strdup(value);
1550         } else if (g_str_equal(key, "Node") == TRUE) {
1551                 g_free(device->node);
1552                 device->node = g_strdup(value);
1553         }
1554
1555         return connman_element_set_string(&device->element, key, value);
1556 }
1557
1558 /**
1559  * connman_device_get_string:
1560  * @device: device structure
1561  * @key: unique identifier
1562  *
1563  * Get string value for specific key
1564  */
1565 const char *connman_device_get_string(struct connman_device *device,
1566                                                         const char *key)
1567 {
1568         DBG("device %p key %s", device, key);
1569
1570         if (g_str_equal(key, "Address") == TRUE)
1571                 return device->address;
1572         else if (g_str_equal(key, "Name") == TRUE)
1573                 return device->name;
1574         else if (g_str_equal(key, "Node") == TRUE)
1575                 return device->node;
1576
1577         return connman_element_get_string(&device->element, key);
1578 }
1579
1580 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1581 {
1582         struct connman_device *device = element->device;
1583         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1584         connman_bool_t powered;
1585
1586         DBG("element %p name %s", element, element->name);
1587
1588         if (device == NULL)
1589                 return;
1590
1591         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1592
1593         if (device->powered == powered)
1594                 return;
1595
1596         set_powered(device, powered);
1597 }
1598
1599 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1600 {
1601         DBG("offlinmode %d", offlinemode);
1602
1603         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1604                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1605
1606         __connman_notifier_offline_mode(offlinemode);
1607
1608         return 0;
1609 }
1610
1611 void __connman_device_increase_connections(struct connman_device *device)
1612 {
1613         device->connections++;
1614 }
1615
1616 void __connman_device_decrease_connections(struct connman_device *device)
1617 {
1618         device->connections--;
1619 }
1620
1621 /**
1622  * connman_device_add_network:
1623  * @device: device structure
1624  * @network: network structure
1625  *
1626  * Add new network to the device
1627  */
1628 int connman_device_add_network(struct connman_device *device,
1629                                         struct connman_network *network)
1630 {
1631         const char *identifier = connman_network_get_identifier(network);
1632         int err;
1633
1634         DBG("device %p network %p", device, network);
1635
1636         switch (device->mode) {
1637         case CONNMAN_DEVICE_MODE_UNKNOWN:
1638         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1639                 return -EINVAL;
1640         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1641         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1642                 break;
1643         }
1644
1645         __connman_network_set_device(network, device);
1646
1647         __connman_storage_load_network(network);
1648
1649         err = connman_element_register((struct connman_element *) network,
1650                                                         &device->element);
1651         if (err < 0) {
1652                 __connman_network_set_device(network, NULL);
1653                 return err;
1654         }
1655
1656         g_hash_table_insert(device->networks, g_strdup(identifier),
1657                                                                 network);
1658
1659         return 0;
1660 }
1661
1662 /**
1663  * connman_device_get_network:
1664  * @device: device structure
1665  * @identifier: network identifier
1666  *
1667  * Get network for given identifier
1668  */
1669 struct connman_network *connman_device_get_network(struct connman_device *device,
1670                                                         const char *identifier)
1671 {
1672         DBG("device %p identifier %s", device, identifier);
1673
1674         return g_hash_table_lookup(device->networks, identifier);
1675 }
1676
1677 /**
1678  * connman_device_remove_network:
1679  * @device: device structure
1680  * @identifier: network identifier
1681  *
1682  * Remove network for given identifier
1683  */
1684 int connman_device_remove_network(struct connman_device *device,
1685                                                         const char *identifier)
1686 {
1687         DBG("device %p identifier %s", device, identifier);
1688
1689         g_hash_table_remove(device->networks, identifier);
1690
1691         return 0;
1692 }
1693
1694 void __connman_device_set_network(struct connman_device *device,
1695                                         struct connman_network *network)
1696 {
1697         const char *name;
1698
1699         if (device->network == network)
1700                 return;
1701
1702         if (device->network != NULL)
1703                 connman_network_unref(device->network);
1704
1705         if (network != NULL) {
1706                 name = connman_network_get_string(network,
1707                                                 CONNMAN_PROPERTY_ID_NAME);
1708                 g_free(device->last_network);
1709                 device->last_network = g_strdup(name);
1710
1711                 device->network = connman_network_ref(network);
1712         } else {
1713                 g_free(device->last_network);
1714                 device->last_network = NULL;
1715
1716                 device->network = NULL;
1717         }
1718 }
1719
1720 /**
1721  * connman_device_register:
1722  * @device: device structure
1723  *
1724  * Register device with the system
1725  */
1726 int connman_device_register(struct connman_device *device)
1727 {
1728         __connman_storage_load_device(device);
1729
1730         switch (device->mode) {
1731         case CONNMAN_DEVICE_MODE_UNKNOWN:
1732         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1733                 break;
1734         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1735         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1736                 __connman_storage_init_network(device);
1737                 break;
1738         }
1739
1740         return connman_element_register(&device->element, NULL);
1741 }
1742
1743 /**
1744  * connman_device_unregister:
1745  * @device: device structure
1746  *
1747  * Unregister device with the system
1748  */
1749 void connman_device_unregister(struct connman_device *device)
1750 {
1751         __connman_storage_save_device(device);
1752
1753         connman_element_unregister(&device->element);
1754 }
1755
1756 /**
1757  * connman_device_get_data:
1758  * @device: device structure
1759  *
1760  * Get private device data pointer
1761  */
1762 void *connman_device_get_data(struct connman_device *device)
1763 {
1764         return device->driver_data;
1765 }
1766
1767 /**
1768  * connman_device_set_data:
1769  * @device: device structure
1770  * @data: data pointer
1771  *
1772  * Set private device data pointer
1773  */
1774 void connman_device_set_data(struct connman_device *device, void *data)
1775 {
1776         device->driver_data = data;
1777 }
1778
1779 static gboolean match_driver(struct connman_device *device,
1780                                         struct connman_device_driver *driver)
1781 {
1782         if (device->type == driver->type ||
1783                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1784                 return TRUE;
1785
1786         return FALSE;
1787 }
1788
1789 static int device_probe(struct connman_element *element)
1790 {
1791         struct connman_device *device = element->device;
1792         GSList *list;
1793
1794         DBG("element %p name %s", element, element->name);
1795
1796         if (device == NULL)
1797                 return -ENODEV;
1798
1799         if (device->driver != NULL)
1800                 return -EALREADY;
1801
1802         for (list = driver_list; list; list = list->next) {
1803                 struct connman_device_driver *driver = list->data;
1804
1805                 if (match_driver(device, driver) == FALSE)
1806                         continue;
1807
1808                 DBG("driver %p name %s", driver, driver->name);
1809
1810                 if (driver->probe(device) == 0) {
1811                         device->driver = driver;
1812                         break;
1813                 }
1814         }
1815
1816         if (device->driver == NULL)
1817                 return -ENODEV;
1818
1819         return setup_device(device);
1820 }
1821
1822 static void device_remove(struct connman_element *element)
1823 {
1824         struct connman_device *device = element->device;
1825
1826         DBG("element %p name %s", element, element->name);
1827
1828         if (device == NULL)
1829                 return;
1830
1831         if (device->driver == NULL)
1832                 return;
1833
1834         remove_device(device);
1835 }
1836
1837 static struct connman_driver device_driver = {
1838         .name           = "device",
1839         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1840         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1841         .probe          = device_probe,
1842         .remove         = device_remove,
1843 };
1844
1845 static int device_load(struct connman_device *device)
1846 {
1847         GKeyFile *keyfile;
1848         gchar *pathname, *identifier, *data = NULL;
1849         gsize length;
1850         int val;
1851
1852         DBG("device %p", device);
1853
1854         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1855                                         __connman_profile_active_ident());
1856         if (pathname == NULL)
1857                 return -ENOMEM;
1858
1859         keyfile = g_key_file_new();
1860
1861         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1862                 g_free(pathname);
1863                 return -ENOENT;
1864         }
1865
1866         g_free(pathname);
1867
1868         if (g_key_file_load_from_data(keyfile, data, length,
1869                                                         0, NULL) == FALSE) {
1870                 g_free(data);
1871                 return -EILSEQ;
1872         }
1873
1874         g_free(data);
1875
1876         identifier = g_strdup_printf("device_%s", device->element.name);
1877         if (identifier == NULL)
1878                 goto done;
1879
1880         switch (device->mode) {
1881         case CONNMAN_DEVICE_MODE_UNKNOWN:
1882         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1883                 break;
1884         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1885         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1886                 val = g_key_file_get_integer(keyfile, identifier,
1887                                                         "ScanInterval", NULL);
1888                 if (val > 0)
1889                         device->scan_interval = val;
1890                 break;
1891         }
1892
1893 done:
1894         g_key_file_free(keyfile);
1895
1896         g_free(identifier);
1897
1898         return 0;
1899 }
1900
1901 static int device_save(struct connman_device *device)
1902 {
1903         GKeyFile *keyfile;
1904         gchar *pathname, *identifier = NULL, *data = NULL;
1905         gsize length;
1906
1907         DBG("device %p", device);
1908
1909         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1910                                         __connman_profile_active_ident());
1911         if (pathname == NULL)
1912                 return -ENOMEM;
1913
1914         keyfile = g_key_file_new();
1915
1916         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1917                 goto update;
1918
1919         if (length > 0) {
1920                 if (g_key_file_load_from_data(keyfile, data, length,
1921                                                         0, NULL) == FALSE)
1922                         goto done;
1923         }
1924
1925         g_free(data);
1926
1927 update:
1928         identifier = g_strdup_printf("device_%s", device->element.name);
1929         if (identifier == NULL)
1930                 goto done;
1931
1932         switch (device->mode) {
1933         case CONNMAN_DEVICE_MODE_UNKNOWN:
1934         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1935                 break;
1936         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1937         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1938                 if (device->scan_interval > 0)
1939                         g_key_file_set_integer(keyfile, identifier,
1940                                         "ScanInterval", device->scan_interval);
1941                 break;
1942         }
1943
1944         data = g_key_file_to_data(keyfile, &length, NULL);
1945
1946         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1947                 connman_error("Failed to store device information");
1948
1949 done:
1950         g_free(data);
1951
1952         g_key_file_free(keyfile);
1953
1954         g_free(identifier);
1955         g_free(pathname);
1956
1957         return 0;
1958 }
1959
1960 static struct connman_storage device_storage = {
1961         .name           = "device",
1962         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1963         .device_load    = device_load,
1964         .device_save    = device_save,
1965 };
1966
1967 int __connman_device_init(void)
1968 {
1969         DBG("");
1970
1971         connection = connman_dbus_get_connection();
1972
1973         if (connman_storage_register(&device_storage) < 0)
1974                 connman_error("Failed to register device storage");
1975
1976         return connman_driver_register(&device_driver);
1977 }
1978
1979 void __connman_device_cleanup(void)
1980 {
1981         DBG("");
1982
1983         connman_driver_unregister(&device_driver);
1984
1985         connman_storage_unregister(&device_storage);
1986
1987         dbus_connection_unref(connection);
1988 }