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_MBM:
 101         case CONNMAN_DEVICE_TYPE_HSO:
 102         case CONNMAN_DEVICE_TYPE_NOZOMI:
 103         case CONNMAN_DEVICE_TYPE_HUAWEI:
 104         case CONNMAN_DEVICE_TYPE_NOVATEL:
 105                 return "Cellular";
 106         }
 107
 108         return NULL;
 109 }
 110
 111 static const char *type2string(enum connman_device_type type)
 112 {
 113         switch (type) {
 114         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 115         case CONNMAN_DEVICE_TYPE_VENDOR:
 116                 break;
 117         case CONNMAN_DEVICE_TYPE_ETHERNET:
 118                 return "ethernet";
 119         case CONNMAN_DEVICE_TYPE_WIFI:
 120                 return "wifi";
 121         case CONNMAN_DEVICE_TYPE_WIMAX:
 122                 return "wimax";
 123         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 124                 return "bluetooth";
 125         case CONNMAN_DEVICE_TYPE_GPS:
 126                 return "gps";
 127         case CONNMAN_DEVICE_TYPE_MBM:
 128         case CONNMAN_DEVICE_TYPE_HSO:
 129         case CONNMAN_DEVICE_TYPE_HUAWEI:
 130         case CONNMAN_DEVICE_TYPE_NOZOMI:
 131         case CONNMAN_DEVICE_TYPE_NOVATEL:
 132                 return "cellular";
 133         }
 134
 135         return NULL;
 136 }
 137
 138 static int set_connected(struct connman_device *device,
 139                                                 connman_bool_t connected)
 140 {
 141         if (connected == TRUE) {
 142                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 143                 struct connman_element *element;
 144
 145                 device->disconnected = TRUE;
 146
 147                 switch (device->element.ipv4.method) {
 148                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 149                 case CONNMAN_IPCONFIG_METHOD_OFF:
 150                         return 0;
 151                 case CONNMAN_IPCONFIG_METHOD_STATIC:
 152                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 153                         break;
 154                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 155                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 156                         break;
 157                 }
 158
 159                 element = connman_element_create(NULL);
 160                 if (element != NULL) {
 161                         struct connman_service *service;
 162
 163                         element->type  = type;
 164                         element->index = device->element.index;
 165
 166                         if (connman_element_register(element,
 167                                                         &device->element) < 0)
 168                                 connman_element_unref(element);
 169
 170                         device->disconnected = FALSE;
 171
 172                         service = __connman_service_lookup_from_device(device);
 173                         __connman_service_indicate_state(service,
 174                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 175                 }
 176         } else {
 177                 connman_element_unregister_children(&device->element);
 178
 179                 device->disconnected = TRUE;
 180         }
 181
 182         return 0;
 183 }
 184
 185 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 186 {
 187         struct connman_service *service;
 188
 189         service = __connman_service_lookup_from_device(device);
 190         __connman_service_set_carrier(service, carrier);
 191
 192         return set_connected(device, carrier);
 193 }
 194
 195 static int set_powered(struct connman_device *device, connman_bool_t powered)
 196 {
 197         struct connman_device_driver *driver = device->driver;
 198         int err;
 199
 200         DBG("device %p powered %d", device, powered);
 201
 202         if (!driver)
 203                 return -EINVAL;
 204
 205         if (powered == TRUE) {
 206                 if (driver->enable) {
 207                         err = driver->enable(device);
 208                         __connman_notifier_device_type_increase(device->type);
 209                 } else
 210                         err = -EINVAL;
 211         } else {
 212                 g_hash_table_remove_all(device->networks);
 213
 214                 set_carrier(device, FALSE);
 215
 216                 if (driver->disable) {
 217                         err = driver->disable(device);
 218                         __connman_notifier_device_type_decrease(device->type);
 219                 } else
 220                         err = -EINVAL;
 221         }
 222
 223         return err;
 224 }
 225
 226 static void append_path(gpointer key, gpointer value, gpointer user_data)
 227 {
 228         struct connman_element *element = value;
 229         DBusMessageIter *iter = user_data;
 230
 231         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 232                                                         &element->path);
 233 }
 234
 235 static void append_networks(struct connman_device *device,
 236                                                 DBusMessageIter *entry)
 237 {
 238         DBusMessageIter value, iter;
 239         const char *key = "Networks";
 240
 241         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 242
 243         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 244                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 245                                                                 &value);
 246
 247         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 248                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 249         g_hash_table_foreach(device->networks, append_path, &iter);
 250         dbus_message_iter_close_container(&value, &iter);
 251
 252         dbus_message_iter_close_container(entry, &value);
 253 }
 254
 255 static DBusMessage *get_properties(DBusConnection *conn,
 256                                         DBusMessage *msg, void *data)
 257 {
 258         struct connman_device *device = data;
 259         DBusMessage *reply;
 260         DBusMessageIter array, dict, entry;
 261         const char *str;
 262
 263         DBG("conn %p", conn);
 264
 265         if (__connman_security_check_privilege(msg,
 266                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 267                 return __connman_error_permission_denied(msg);
 268
 269         reply = dbus_message_new_method_return(msg);
 270         if (reply == NULL)
 271                 return NULL;
 272
 273         dbus_message_iter_init_append(reply, &array);
 274
 275         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 276                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 277                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 278                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 279
 280         if (device->name != NULL)
 281                 connman_dbus_dict_append_variant(&dict, "Name",
 282                                         DBUS_TYPE_STRING, &device->name);
 283
 284         str = type2string(device->type);
 285         if (str != NULL)
 286                 connman_dbus_dict_append_variant(&dict, "Type",
 287                                                 DBUS_TYPE_STRING, &str);
 288
 289         if (device->address != NULL)
 290                 connman_dbus_dict_append_variant(&dict, "Address",
 291                                         DBUS_TYPE_STRING, &device->address);
 292
 293         if (device->interface != NULL)
 294                 connman_dbus_dict_append_variant(&dict, "Interface",
 295                                         DBUS_TYPE_STRING, &device->interface);
 296
 297         connman_dbus_dict_append_variant(&dict, "Powered",
 298                                         DBUS_TYPE_BOOLEAN, &device->powered);
 299
 300         if (device->driver && device->driver->scan)
 301                 connman_dbus_dict_append_variant(&dict, "Scanning",
 302                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 303
 304         switch (device->mode) {
 305         case CONNMAN_DEVICE_MODE_UNKNOWN:
 306                 break;
 307         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 308                 __connman_element_append_ipv4(&device->element, &dict);
 309                 break;
 310         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 311         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 312                 if (device->scan_interval > 0)
 313                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 314                                 DBUS_TYPE_UINT16, &device->scan_interval);
 315
 316                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 317                                                                 NULL, &entry);
 318                 append_networks(device, &entry);
 319                 dbus_message_iter_close_container(&dict, &entry);
 320                 break;
 321         }
 322
 323         dbus_message_iter_close_container(&array, &dict);
 324
 325         return reply;
 326 }
 327
 328 static gboolean powered_timeout(gpointer user_data)
 329 {
 330         struct connman_device *device = user_data;
 331
 332         DBG("device %p", device);
 333
 334         device->timeout = 0;
 335
 336         if (device->pending != NULL) {
 337                 DBusMessage *reply;
 338
 339                 reply = __connman_error_operation_timeout(device->pending);
 340                 if (reply != NULL)
 341                         g_dbus_send_message(connection, reply);
 342
 343                 dbus_message_unref(device->pending);
 344                 device->pending = NULL;
 345         }
 346
 347         return FALSE;
 348 }
 349
 350 static DBusMessage *set_property(DBusConnection *conn,
 351                                         DBusMessage *msg, void *data)
 352 {
 353         struct connman_device *device = data;
 354         DBusMessageIter iter, value;
 355         const char *name;
 356         int type;
 357
 358         DBG("conn %p", conn);
 359
 360         if (dbus_message_iter_init(msg, &iter) == FALSE)
 361                 return __connman_error_invalid_arguments(msg);
 362
 363         dbus_message_iter_get_basic(&iter, &name);
 364         dbus_message_iter_next(&iter);
 365         dbus_message_iter_recurse(&iter, &value);
 366
 367         if (__connman_security_check_privilege(msg,
 368                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 369                 return __connman_error_permission_denied(msg);
 370
 371         type = dbus_message_iter_get_arg_type(&value);
 372
 373         if (g_str_equal(name, "Powered") == TRUE) {
 374                 connman_bool_t powered;
 375                 int err;
 376
 377                 if (type != DBUS_TYPE_BOOLEAN)
 378                         return __connman_error_invalid_arguments(msg);
 379
 380                 dbus_message_iter_get_basic(&value, &powered);
 381
 382                 if (device->powered == powered)
 383                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 384
 385                 if (device->pending != NULL)
 386                         return __connman_error_in_progress(msg);
 387
 388                 err = set_powered(device, powered);
 389                 if (err < 0) {
 390                         if (err != -EINPROGRESS)
 391                                 return __connman_error_failed(msg, -err);
 392
 393                         device->pending = dbus_message_ref(msg);
 394
 395                         device->timeout = g_timeout_add_seconds(15,
 396                                                 powered_timeout, device);
 397
 398                         return NULL;
 399                 }
 400         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 401                 connman_uint16_t interval;
 402
 403                 switch (device->mode) {
 404                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 405                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 406                         return __connman_error_invalid_arguments(msg);
 407                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 408                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 409                         break;
 410                 }
 411
 412                 if (type != DBUS_TYPE_UINT16)
 413                         return __connman_error_invalid_arguments(msg);
 414
 415                 dbus_message_iter_get_basic(&value, &interval);
 416
 417                 device->scan_interval = interval;
 418
 419                 if (device->scan_timeout > 0) {
 420                         g_source_remove(device->scan_timeout);
 421                         device->scan_timeout = 0;
 422                 }
 423
 424                 if (device->scan_interval > 0) {
 425                         guint interval = device->scan_interval;
 426                         device->scan_timeout = g_timeout_add_seconds(interval,
 427                                                 device_scan_trigger, device);
 428                 }
 429         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 430                 int err;
 431
 432                 switch (device->mode) {
 433                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 434                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 435                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 436                         return __connman_error_invalid_arguments(msg);
 437                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 438                         break;
 439                 }
 440
 441                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 442                                                         name + 5, &value);
 443                 if (err < 0)
 444                         return __connman_error_failed(msg, -err);
 445         } else
 446                 return __connman_error_invalid_property(msg);
 447
 448         __connman_storage_save_device(device);
 449
 450         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 451 }
 452
 453 static char *build_group(const unsigned char *ssid, unsigned int ssid_len,
 454                                         const char *mode, const char *security)
 455 {
 456         GString *str;
 457         unsigned int i;
 458
 459         str = g_string_sized_new((ssid_len * 2) + 24);
 460         if (str == NULL)
 461                 return NULL;
 462
 463         if (ssid_len > 0 && ssid[0] != '\0') {
 464                 for (i = 0; i < ssid_len; i++)
 465                         g_string_append_printf(str, "%02x", ssid[i]);
 466         }
 467
 468         g_string_append_printf(str, "_%s_%s", mode, security);
 469
 470         return g_string_free(str, FALSE);
 471 }
 472
 473 static void convert_name(const char *ssid, char *name,
 474                                                 unsigned int ssid_len)
 475 {
 476         unsigned int i;
 477
 478         for (i = 0; i < ssid_len; i++) {
 479                 if (g_ascii_isprint(ssid[i]))
 480                         name[i] = ssid[i];
 481                 else
 482                         name[i] = ' ';
 483         }
 484 }
 485
 486 static DBusMessage *join_network(DBusConnection *conn,
 487                                         DBusMessage *msg, void *data)
 488 {
 489         struct connman_device *device = data;
 490         struct connman_network *network;
 491         enum connman_network_type type;
 492         unsigned int ssid_size;
 493         const char *group, *mode, *security;
 494         const void *ssid;
 495         DBusMessageIter iter, array;
 496         int err, index;
 497
 498         DBG("conn %p", conn);
 499
 500         if (__connman_security_check_privilege(msg,
 501                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 502                 return __connman_error_permission_denied(msg);
 503
 504         if (!device->driver || !device->driver->join)
 505                 return __connman_error_not_supported(msg);
 506
 507         dbus_message_iter_init(msg, &iter);
 508         dbus_message_iter_recurse(&iter, &array);
 509
 510         switch (device->type) {
 511         case CONNMAN_DEVICE_TYPE_WIFI:
 512                 type = CONNMAN_NETWORK_TYPE_WIFI;
 513                 break;
 514         default:
 515                 return __connman_error_not_supported(msg);
 516         }
 517
 518         network = connman_network_create("00_00_00_00_00_00", type);
 519         if (network == NULL)
 520                 return __connman_error_failed(msg, ENOMEM);
 521
 522         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 523                 DBusMessageIter entry, value;
 524                 const char *key, *str;
 525
 526                 dbus_message_iter_recurse(&array, &entry);
 527                 dbus_message_iter_get_basic(&entry, &key);
 528
 529                 dbus_message_iter_next(&entry);
 530                 dbus_message_iter_recurse(&entry, &value);
 531
 532                 switch (dbus_message_iter_get_arg_type(&value)) {
 533                 case DBUS_TYPE_STRING:
 534                         dbus_message_iter_get_basic(&value, &str);
 535                         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 536                                 char *name;
 537
 538                                 connman_network_set_blob(network, key,
 539                                                         str, strlen(str));
 540                                 name = g_try_malloc0(strlen(str) + 1);
 541                                 if (name == NULL)
 542                                         return __connman_error_failed(msg,
 543                                                                       -ENOMEM);
 544
 545                                 convert_name((char *) str, name, strlen(str));
 546                                 connman_network_set_name(network, name);
 547                                 g_free(name);
 548
 549                         } else
 550                                 connman_network_set_string(network, key, str);
 551                         break;
 552                 }
 553
 554                 dbus_message_iter_next(&array);
 555         }
 556
 557         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_size);
 558         mode = connman_network_get_string(network, "WiFi.Mode");
 559         security = connman_network_get_string(network, "WiFi.Security");
 560         group = build_group(ssid, ssid_size, mode, security);
 561
 562         connman_network_set_group(network, group);
 563
 564         index = connman_device_get_index(device);
 565         connman_network_set_index(network, index);
 566
 567         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 568
 569         err = device->driver->join(device, network);
 570
 571         connman_network_unref(network);
 572
 573         if (err < 0)
 574                 return __connman_error_failed(msg, -err);
 575
 576         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 577 }
 578
 579 static DBusMessage *create_network(DBusConnection *conn,
 580                                         DBusMessage *msg, void *data)
 581 {
 582         DBG("conn %p", conn);
 583
 584         if (__connman_security_check_privilege(msg,
 585                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 586                 return __connman_error_permission_denied(msg);
 587
 588         return __connman_error_invalid_arguments(msg);
 589 }
 590
 591 static DBusMessage *remove_network(DBusConnection *conn,
 592                                         DBusMessage *msg, void *data)
 593 {
 594         DBG("conn %p", conn);
 595
 596         if (__connman_security_check_privilege(msg,
 597                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 598                 return __connman_error_permission_denied(msg);
 599
 600         return __connman_error_invalid_arguments(msg);
 601 }
 602
 603 static DBusMessage *propose_scan(DBusConnection *conn,
 604                                         DBusMessage *msg, void *data)
 605 {
 606         struct connman_device *device = data;
 607         int err;
 608
 609         DBG("conn %p", conn);
 610
 611         switch (device->mode) {
 612         case CONNMAN_DEVICE_MODE_UNKNOWN:
 613         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 614                 return __connman_error_not_supported(msg);
 615         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 616         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 617                 break;
 618         }
 619
 620         if (!device->driver || !device->driver->scan)
 621                 return __connman_error_not_supported(msg);
 622
 623         if (device->powered == FALSE)
 624                 return __connman_error_failed(msg, EINVAL);
 625
 626         err = device->driver->scan(device);
 627         if (err < 0)
 628                 return __connman_error_failed(msg, -err);
 629
 630         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 631 }
 632
 633 static GDBusMethodTable device_methods[] = {
 634         { "GetProperties", "",      "a{sv}", get_properties },
 635         { "SetProperty",   "sv",    "",      set_property,
 636                                                 G_DBUS_METHOD_FLAG_ASYNC },
 637         { "JoinNetwork",   "a{sv}", "",      join_network   },
 638         { "CreateNetwork", "a{sv}", "o",     create_network },
 639         { "RemoveNetwork", "o",     "",      remove_network },
 640         { "ProposeScan",   "",      "",      propose_scan   },
 641         { },
 642 };
 643
 644 static GDBusSignalTable device_signals[] = {
 645         { "PropertyChanged", "sv" },
 646         { },
 647 };
 648
 649 static void append_devices(DBusMessageIter *entry)
 650 {
 651         DBusMessageIter value, iter;
 652         const char *key = "Devices";
 653
 654         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 655
 656         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 657                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 658                                                                 &value);
 659
 660         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 661                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 662         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 663         dbus_message_iter_close_container(&value, &iter);
 664
 665         dbus_message_iter_close_container(entry, &value);
 666 }
 667
 668 static void emit_devices_signal(void)
 669 {
 670         DBusMessage *signal;
 671         DBusMessageIter entry;
 672
 673         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 674                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 675         if (signal == NULL)
 676                 return;
 677
 678         dbus_message_iter_init_append(signal, &entry);
 679
 680         append_devices(&entry);
 681
 682         g_dbus_send_message(connection, signal);
 683 }
 684
 685 static int register_interface(struct connman_element *element)
 686 {
 687         struct connman_device *device = element->device;
 688
 689         DBG("element %p name %s", element, element->name);
 690
 691         if (g_dbus_register_interface(connection, element->path,
 692                                         CONNMAN_DEVICE_INTERFACE,
 693                                         device_methods, device_signals,
 694                                         NULL, device, NULL) == FALSE) {
 695                 connman_error("Failed to register %s device", element->path);
 696                 return -EIO;
 697         }
 698
 699         device->registered = TRUE;
 700
 701         emit_devices_signal();
 702
 703         return 0;
 704 }
 705
 706 static void unregister_interface(struct connman_element *element)
 707 {
 708         struct connman_device *device = element->device;
 709
 710         DBG("element %p name %s", element, element->name);
 711
 712         device->registered = FALSE;
 713
 714         emit_devices_signal();
 715
 716         g_dbus_unregister_interface(connection, element->path,
 717                                                 CONNMAN_DEVICE_INTERFACE);
 718 }
 719
 720 static void device_enable(struct connman_device *device)
 721 {
 722         DBG("device %p", device);
 723
 724         if (device->powered == TRUE)
 725                 return;
 726
 727         if (device->driver->enable) {
 728                 device->driver->enable(device);
 729                 __connman_notifier_device_type_increase(device->type);
 730         }
 731 }
 732
 733 static void device_disable(struct connman_device *device)
 734 {
 735         DBG("device %p", device);
 736
 737         if (device->powered == FALSE)
 738                 return;
 739
 740         g_hash_table_remove_all(device->networks);
 741
 742         if (device->driver->disable) {
 743                 device->driver->disable(device);
 744                 __connman_notifier_device_type_decrease(device->type);
 745         }
 746 }
 747
 748 static int setup_device(struct connman_device *device)
 749 {
 750         int err;
 751
 752         DBG("device %p", device);
 753
 754         err = register_interface(&device->element);
 755         if (err < 0) {
 756                 if (device->driver->remove)
 757                         device->driver->remove(device);
 758                 device->driver = NULL;
 759                 return err;
 760         }
 761
 762         switch (device->mode) {
 763         case CONNMAN_DEVICE_MODE_UNKNOWN:
 764         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 765         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 766                 break;
 767         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 768                 if (device->secondary == FALSE)
 769                         __connman_profile_add_device(device);
 770                 break;
 771         }
 772
 773         device_enable(device);
 774
 775         return 0;
 776 }
 777
 778 static void probe_driver(struct connman_element *element, gpointer user_data)
 779 {
 780         struct connman_device_driver *driver = user_data;
 781
 782         DBG("element %p name %s", element, element->name);
 783
 784         if (element->device == NULL)
 785                 return;
 786
 787         if (element->device->driver != NULL)
 788                 return;
 789
 790         if (driver->type != element->device->type)
 791                 return;
 792
 793         if (driver->probe(element->device) < 0)
 794                 return;
 795
 796         element->device->driver = driver;
 797
 798         setup_device(element->device);
 799 }
 800
 801 static void remove_device(struct connman_device *device)
 802 {
 803         DBG("device %p", device);
 804
 805         device_disable(device);
 806
 807         switch (device->mode) {
 808         case CONNMAN_DEVICE_MODE_UNKNOWN:
 809         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 810         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 811                 break;
 812         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 813                 if (device->secondary == FALSE)
 814                         __connman_profile_remove_device(device);
 815                 break;
 816         }
 817
 818         unregister_interface(&device->element);
 819
 820         if (device->driver->remove)
 821                 device->driver->remove(device);
 822
 823         device->driver = NULL;
 824 }
 825
 826 static void remove_driver(struct connman_element *element, gpointer user_data)
 827 {
 828         struct connman_device_driver *driver = user_data;
 829
 830         DBG("element %p name %s", element, element->name);
 831
 832         if (element->device == NULL)
 833                 return;
 834
 835         if (element->device->driver == driver)
 836                 remove_device(element->device);
 837 }
 838
 839 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 840 {
 841         if (device == NULL || device->driver == NULL)
 842                 return FALSE;
 843
 844         return device->registered;
 845 }
 846
 847 static GSList *driver_list = NULL;
 848
 849 static gint compare_priority(gconstpointer a, gconstpointer b)
 850 {
 851         const struct connman_device_driver *driver1 = a;
 852         const struct connman_device_driver *driver2 = b;
 853
 854         return driver2->priority - driver1->priority;
 855 }
 856
 857 /**
 858  * connman_device_driver_register:
 859  * @driver: device driver definition
 860  *
 861  * Register a new device driver
 862  *
 863  * Returns: %0 on success
 864  */
 865 int connman_device_driver_register(struct connman_device_driver *driver)
 866 {
 867         DBG("driver %p name %s", driver, driver->name);
 868
 869         driver_list = g_slist_insert_sorted(driver_list, driver,
 870                                                         compare_priority);
 871
 872         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 873                                                 probe_driver, driver);
 874
 875         return 0;
 876 }
 877
 878 /**
 879  * connman_device_driver_unregister:
 880  * @driver: device driver definition
 881  *
 882  * Remove a previously registered device driver
 883  */
 884 void connman_device_driver_unregister(struct connman_device_driver *driver)
 885 {
 886         DBG("driver %p name %s", driver, driver->name);
 887
 888         driver_list = g_slist_remove(driver_list, driver);
 889
 890         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 891                                                 remove_driver, driver);
 892 }
 893
 894 static void unregister_network(gpointer data)
 895 {
 896         struct connman_network *network = data;
 897
 898         DBG("network %p", network);
 899
 900         connman_element_unregister((struct connman_element *) network);
 901
 902         connman_network_unref(network);
 903 }
 904
 905 static void device_destruct(struct connman_element *element)
 906 {
 907         struct connman_device *device = element->device;
 908
 909         DBG("element %p name %s", element, element->name);
 910
 911         if (device->timeout > 0) {
 912                 g_source_remove(device->timeout);
 913                 device->timeout = 0;
 914         }
 915
 916         if (device->pending != NULL) {
 917                 dbus_message_unref(device->pending);
 918                 device->pending = NULL;
 919         }
 920
 921         g_free(device->ident);
 922         g_free(device->node);
 923         g_free(device->name);
 924         g_free(device->address);
 925         g_free(device->interface);
 926
 927         connman_ipconfig_unref(device->ipconfig);
 928
 929         g_free(device->last_network);
 930
 931         g_hash_table_destroy(device->networks);
 932         device->networks = NULL;
 933 }
 934
 935 /**
 936  * connman_device_create:
 937  * @node: device node name (for example an address)
 938  * @type: device type
 939  *
 940  * Allocate a new device of given #type and assign the #node name to it.
 941  *
 942  * Returns: a newly-allocated #connman_device structure
 943  */
 944 struct connman_device *connman_device_create(const char *node,
 945                                                 enum connman_device_type type)
 946 {
 947         struct connman_device *device;
 948         const char *str;
 949
 950         DBG("node %s type %d", node, type);
 951
 952         device = g_try_new0(struct connman_device, 1);
 953         if (device == NULL)
 954                 return NULL;
 955
 956         DBG("device %p", device);
 957
 958         __connman_element_initialize(&device->element);
 959
 960         device->element.name = g_strdup(node);
 961         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 962
 963         device->element.device = device;
 964         device->element.destruct = device_destruct;
 965
 966         str = type2string(type);
 967         if (str != NULL)
 968                 connman_element_set_string(&device->element,
 969                                         CONNMAN_PROPERTY_ID_TYPE, str);
 970
 971         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 972
 973         device->type      = type;
 974         device->name      = g_strdup(type2description(device->type));
 975         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
 976         device->secondary = FALSE;
 977
 978         switch (type) {
 979         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 980         case CONNMAN_DEVICE_TYPE_VENDOR:
 981                 device->scan_interval = 0;
 982                 break;
 983         case CONNMAN_DEVICE_TYPE_ETHERNET:
 984         case CONNMAN_DEVICE_TYPE_WIFI:
 985                 device->scan_interval = 300;
 986                 break;
 987         case CONNMAN_DEVICE_TYPE_WIMAX:
 988                 device->scan_interval = 0;
 989                 break;
 990         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 991                 device->scan_interval = 0;
 992                 break;
 993         case CONNMAN_DEVICE_TYPE_GPS:
 994                 device->scan_interval = 0;
 995                 break;
 996         case CONNMAN_DEVICE_TYPE_MBM:
 997         case CONNMAN_DEVICE_TYPE_HSO:
 998         case CONNMAN_DEVICE_TYPE_NOZOMI:
 999         case CONNMAN_DEVICE_TYPE_HUAWEI:
1000         case CONNMAN_DEVICE_TYPE_NOVATEL:
1001                 device->scan_interval = 0;
1002                 break;
1003         }
1004
1005         device->ipconfig = connman_ipconfig_create();
1006         if (device->ipconfig == NULL) {
1007                 connman_device_unref(device);
1008                 return NULL;
1009         }
1010
1011         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
1012                                                 g_free, unregister_network);
1013
1014         return device;
1015 }
1016
1017 /**
1018  * connman_device_ref:
1019  * @device: device structure
1020  *
1021  * Increase reference counter of device
1022  */
1023 struct connman_device *connman_device_ref(struct connman_device *device)
1024 {
1025         if (connman_element_ref(&device->element) == NULL)
1026                 return NULL;
1027
1028         return device;
1029 }
1030
1031 /**
1032  * connman_device_unref:
1033  * @device: device structure
1034  *
1035  * Decrease reference counter of device
1036  */
1037 void connman_device_unref(struct connman_device *device)
1038 {
1039         connman_element_unref(&device->element);
1040 }
1041
1042 const char *__connman_device_get_type(struct connman_device *device)
1043 {
1044         return type2string(device->type);
1045 }
1046
1047 /**
1048  * connman_device_get_type:
1049  * @device: device structure
1050  *
1051  * Get type of device
1052  */
1053 enum connman_device_type connman_device_get_type(struct connman_device *device)
1054 {
1055         return device->type;
1056 }
1057
1058 /**
1059  * connman_device_get_name:
1060  * @device: device structure
1061  *
1062  * Get unique name of device
1063  */
1064 const char *connman_device_get_name(struct connman_device *device)
1065 {
1066         return device->element.name;
1067 }
1068
1069 /**
1070  * connman_device_get_path:
1071  * @device: device structure
1072  *
1073  * Get path name of device
1074  */
1075 const char *connman_device_get_path(struct connman_device *device)
1076 {
1077         return device->element.path;
1078 }
1079
1080 /**
1081  * connman_device_set_index:
1082  * @device: device structure
1083  * @index: index number
1084  *
1085  * Set index number of device
1086  */
1087 void connman_device_set_index(struct connman_device *device, int index)
1088 {
1089         device->element.index = index;
1090 }
1091
1092 /**
1093  * connman_device_get_index:
1094  * @device: device structure
1095  *
1096  * Get index number of device
1097  */
1098 int connman_device_get_index(struct connman_device *device)
1099 {
1100         return device->element.index;
1101 }
1102
1103 /**
1104  * connman_device_set_interface:
1105  * @device: device structure
1106  * @interface: interface name
1107  *
1108  * Set interface name of device
1109  */
1110 void connman_device_set_interface(struct connman_device *device,
1111                                                         const char *interface)
1112 {
1113         g_free(device->element.devname);
1114         device->element.devname = g_strdup(interface);
1115
1116         g_free(device->interface);
1117         device->interface = g_strdup(interface);
1118
1119         if (device->name == NULL) {
1120                 const char *str = type2description(device->type);
1121                 if (str != NULL && device->interface != NULL)
1122                         device->name = g_strdup_printf("%s (%s)", str,
1123                                                         device->interface);
1124         }
1125 }
1126
1127 /**
1128  * connman_device_get_interface:
1129  * @device: device structure
1130  *
1131  * Get interface name of device
1132  */
1133 const char *connman_device_get_interface(struct connman_device *device)
1134 {
1135         return device->interface;
1136 }
1137
1138 /**
1139  * connman_device_set_ident:
1140  * @device: device structure
1141  * @ident: unique identifier
1142  *
1143  * Set unique identifier of device
1144  */
1145 void connman_device_set_ident(struct connman_device *device,
1146                                                         const char *ident)
1147 {
1148         g_free(device->ident);
1149         device->ident = g_strdup(ident);
1150 }
1151
1152 const char *__connman_device_get_ident(struct connman_device *device)
1153 {
1154         return device->ident;
1155 }
1156
1157 /**
1158  * connman_device_set_mode:
1159  * @device: device structure
1160  * @mode: network mode
1161  *
1162  * Change network mode of device
1163  */
1164 void connman_device_set_mode(struct connman_device *device,
1165                                                 enum connman_device_mode mode)
1166 {
1167         device->mode = mode;
1168 }
1169
1170 /**
1171  * connman_device_get_mode:
1172  * @device: device structure
1173  *
1174  * Get network mode of device
1175  */
1176 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1177 {
1178         return device->mode;
1179 }
1180
1181 /**
1182  * connman_device_set_secondary:
1183  * @device: device structure
1184  * @secondary: secondary value
1185  *
1186  * Change secondary value of device
1187  */
1188 void connman_device_set_secondary(struct connman_device *device,
1189                                                 connman_bool_t secondary)
1190 {
1191         device->secondary = secondary;
1192 }
1193
1194 /**
1195  * connman_device_get_secondary:
1196  * @device: device structure
1197  *
1198  * Get secondary value of device
1199  */
1200 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1201 {
1202         return device->secondary;
1203 }
1204
1205 /**
1206  * connman_device_set_powered:
1207  * @device: device structure
1208  * @powered: powered state
1209  *
1210  * Change power state of device
1211  */
1212 int connman_device_set_powered(struct connman_device *device,
1213                                                 connman_bool_t powered)
1214 {
1215         DBusMessage *signal;
1216         DBusMessageIter entry, value;
1217         const char *key = "Powered";
1218
1219         DBG("driver %p powered %d", device, powered);
1220
1221         if (device->timeout > 0) {
1222                 g_source_remove(device->timeout);
1223                 device->timeout = 0;
1224         }
1225
1226         if (device->pending != NULL) {
1227                 g_dbus_send_reply(connection, device->pending,
1228                                                         DBUS_TYPE_INVALID);
1229
1230                 dbus_message_unref(device->pending);
1231                 device->pending = NULL;
1232         }
1233
1234         if (device->powered == powered)
1235                 return -EALREADY;
1236
1237         device->powered = powered;
1238
1239         if (device->registered == FALSE)
1240                 return 0;
1241
1242         signal = dbus_message_new_signal(device->element.path,
1243                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1244         if (signal == NULL)
1245                 return 0;
1246
1247         dbus_message_iter_init_append(signal, &entry);
1248
1249         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1250
1251         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1252                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1253         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1254         dbus_message_iter_close_container(&entry, &value);
1255
1256         g_dbus_send_message(connection, signal);
1257
1258         if (powered == FALSE)
1259                 return 0;
1260
1261         if (device->scan_timeout > 0) {
1262                 g_source_remove(device->scan_timeout);
1263                 device->scan_timeout = 0;
1264         }
1265
1266         if (device->scan_interval > 0) {
1267                 guint interval = device->scan_interval;
1268                 device->scan_timeout = g_timeout_add_seconds(interval,
1269                                         device_scan_trigger, device);
1270         }
1271
1272         if (device->driver->scan)
1273                 device->driver->scan(device);
1274
1275         return 0;
1276 }
1277
1278 /**
1279  * connman_device_set_carrier:
1280  * @device: device structure
1281  * @carrier: carrier state
1282  *
1283  * Change carrier state of device (only for device without scanning)
1284  */
1285 int connman_device_set_carrier(struct connman_device *device,
1286                                                 connman_bool_t carrier)
1287 {
1288         DBG("device %p carrier %d", device, carrier);
1289
1290         switch (device->mode) {
1291         case CONNMAN_DEVICE_MODE_UNKNOWN:
1292         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1293         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1294                 return -EINVAL;
1295         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1296                 break;
1297         }
1298
1299         if (device->carrier == carrier)
1300                 return -EALREADY;
1301
1302         device->carrier = carrier;
1303
1304         return set_carrier(device, device->carrier);
1305 }
1306
1307 int __connman_device_connect(struct connman_device *device)
1308 {
1309         DBG("device %p", device);
1310
1311         if (device->disconnected == FALSE)
1312                 return -EINVAL;
1313
1314         if (device->driver && device->driver->connect)
1315                 device->driver->connect(device);
1316
1317         return 0;
1318 }
1319
1320 int __connman_device_disconnect(struct connman_device *device)
1321 {
1322         GHashTableIter iter;
1323         gpointer key, value;
1324
1325         DBG("device %p", device);
1326
1327         connman_device_set_disconnected(device, TRUE);
1328
1329         g_hash_table_iter_init(&iter, device->networks);
1330
1331         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1332                 struct connman_network *network = value;
1333
1334                 if (connman_network_get_connected(network) == TRUE)
1335                         __connman_network_disconnect(network);
1336         }
1337
1338         if (device->driver && device->driver->disconnect)
1339                 device->driver->disconnect(device);
1340
1341         return 0;
1342 }
1343
1344 static void connect_known_network(struct connman_device *device)
1345 {
1346         struct connman_network *network = NULL;
1347         GHashTableIter iter;
1348         gpointer key, value;
1349         const char *name;
1350         unsigned int count = 0;
1351
1352         DBG("device %p", device);
1353
1354         g_hash_table_iter_init(&iter, device->networks);
1355
1356         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1357                 connman_uint8_t old_strength, new_strength;
1358
1359                 count++;
1360
1361                 if (connman_network_get_available(value) == FALSE)
1362                         continue;
1363
1364                 name = connman_network_get_string(value,
1365                                                 CONNMAN_PROPERTY_ID_NAME);
1366                 if (name != NULL && device->last_network != NULL) {
1367                         if (g_str_equal(name, device->last_network) == TRUE) {
1368                                 network = value;
1369                                 break;
1370                         }
1371                 }
1372
1373                 if (network == NULL) {
1374                         network = value;
1375                         continue;
1376                 }
1377
1378                 old_strength = connman_network_get_uint8(network,
1379                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1380                 new_strength = connman_network_get_uint8(value,
1381                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1382
1383                 if (new_strength > old_strength)
1384                         network = value;
1385         }
1386
1387         if (network != NULL) {
1388                 int err;
1389
1390                 name = connman_network_get_string(value,
1391                                                 CONNMAN_PROPERTY_ID_NAME);
1392                 if (name != NULL) {
1393                         err = __connman_network_connect(network);
1394                         if (err == 0 || err == -EINPROGRESS)
1395                                 return;
1396                 }
1397         }
1398
1399         if (count > 0)
1400                 return;
1401
1402         if (device->driver && device->driver->scan)
1403                 device->driver->scan(device);
1404 }
1405
1406 static void mark_network_unavailable(gpointer key, gpointer value,
1407                                                         gpointer user_data)
1408 {
1409         struct connman_network *network = value;
1410
1411         if (connman_network_get_connected(network) == TRUE)
1412                 return;
1413
1414         connman_network_set_available(network, FALSE);
1415 }
1416
1417 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1418                                                         gpointer user_data)
1419 {
1420         struct connman_network *network = value;
1421
1422         if (connman_network_get_connected(network) == TRUE)
1423                 return FALSE;
1424
1425         if (connman_network_get_available(network) == TRUE)
1426                 return FALSE;
1427
1428         return TRUE;
1429 }
1430
1431 /**
1432  * connman_device_set_scanning:
1433  * @device: device structure
1434  * @scanning: scanning state
1435  *
1436  * Change scanning state of device
1437  */
1438 int connman_device_set_scanning(struct connman_device *device,
1439                                                 connman_bool_t scanning)
1440 {
1441         DBusMessage *signal;
1442         DBusMessageIter entry, value;
1443         const char *key = "Scanning";
1444
1445         DBG("device %p scanning %d", device, scanning);
1446
1447         if (!device->driver || !device->driver->scan)
1448                 return -EINVAL;
1449
1450         if (device->scanning == scanning)
1451                 return -EALREADY;
1452
1453         device->scanning = scanning;
1454
1455         signal = dbus_message_new_signal(device->element.path,
1456                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1457         if (signal == NULL)
1458                 return 0;
1459
1460         dbus_message_iter_init_append(signal, &entry);
1461
1462         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1463
1464         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1465                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1466         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1467         dbus_message_iter_close_container(&entry, &value);
1468
1469         g_dbus_send_message(connection, signal);
1470
1471         if (scanning == TRUE) {
1472                 if (device->scan_timeout > 0) {
1473                         g_source_remove(device->scan_timeout);
1474                         device->scan_timeout = 0;
1475                 }
1476
1477                 if (device->scan_interval > 0) {
1478                         guint interval = device->scan_interval;
1479                         device->scan_timeout = g_timeout_add_seconds(interval,
1480                                                 device_scan_trigger, device);
1481                 }
1482
1483                 g_hash_table_foreach(device->networks,
1484                                         mark_network_unavailable, NULL);
1485                 return 0;
1486         }
1487
1488         g_hash_table_foreach_remove(device->networks,
1489                                         remove_unavailable_network, NULL);
1490
1491         if (device->connections > 0)
1492                 return 0;
1493
1494         if (device->disconnected == TRUE)
1495                 return 0;
1496
1497         connect_known_network(device);
1498
1499         return 0;
1500 }
1501
1502 /**
1503  * connman_device_set_disconnected:
1504  * @device: device structure
1505  * @disconnected: disconnected state
1506  *
1507  * Change disconnected state of device (only for device with networks)
1508  */
1509 int connman_device_set_disconnected(struct connman_device *device,
1510                                                 connman_bool_t disconnected)
1511 {
1512         DBG("device %p disconnected %d", device, disconnected);
1513
1514         switch (device->mode) {
1515         case CONNMAN_DEVICE_MODE_UNKNOWN:
1516         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1517                 return -EINVAL;
1518         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1519         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1520                 break;
1521         }
1522
1523         if (device->disconnected == disconnected)
1524                 return -EALREADY;
1525
1526         device->disconnected = disconnected;
1527
1528         return 0;
1529 }
1530
1531 /**
1532  * connman_device_set_connected:
1533  * @device: device structure
1534  * @connected: connected state
1535  *
1536  * Change connected state of device (for Ethernet like devices)
1537  */
1538 int connman_device_set_connected(struct connman_device *device,
1539                                                 connman_bool_t connected)
1540 {
1541         DBG("device %p connected %d", device, connected);
1542
1543         switch (device->mode) {
1544         case CONNMAN_DEVICE_MODE_UNKNOWN:
1545         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1546         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1547                 return -EINVAL;
1548         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1549                 break;
1550         }
1551
1552         if (device->carrier == FALSE)
1553                 return -ENOTCONN;
1554
1555         return set_connected(device, connected);
1556 }
1557
1558 /**
1559  * connman_device_set_string:
1560  * @device: device structure
1561  * @key: unique identifier
1562  * @value: string value
1563  *
1564  * Set string value for specific key
1565  */
1566 int connman_device_set_string(struct connman_device *device,
1567                                         const char *key, const char *value)
1568 {
1569         DBG("device %p key %s value %s", device, key, value);
1570
1571         if (g_str_equal(key, "Address") == TRUE) {
1572                 g_free(device->address);
1573                 device->address = g_strdup(value);
1574         } else if (g_str_equal(key, "Name") == TRUE) {
1575                 g_free(device->name);
1576                 device->name = g_strdup(value);
1577         } else if (g_str_equal(key, "Node") == TRUE) {
1578                 g_free(device->node);
1579                 device->node = g_strdup(value);
1580         }
1581
1582         return connman_element_set_string(&device->element, key, value);
1583 }
1584
1585 /**
1586  * connman_device_get_string:
1587  * @device: device structure
1588  * @key: unique identifier
1589  *
1590  * Get string value for specific key
1591  */
1592 const char *connman_device_get_string(struct connman_device *device,
1593                                                         const char *key)
1594 {
1595         DBG("device %p key %s", device, key);
1596
1597         if (g_str_equal(key, "Address") == TRUE)
1598                 return device->address;
1599         else if (g_str_equal(key, "Name") == TRUE)
1600                 return device->name;
1601         else if (g_str_equal(key, "Node") == TRUE)
1602                 return device->node;
1603
1604         return connman_element_get_string(&device->element, key);
1605 }
1606
1607 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1608 {
1609         struct connman_device *device = element->device;
1610         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1611         connman_bool_t powered;
1612
1613         DBG("element %p name %s", element, element->name);
1614
1615         if (device == NULL)
1616                 return;
1617
1618         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1619
1620         if (device->powered == powered)
1621                 return;
1622
1623         set_powered(device, powered);
1624 }
1625
1626 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1627 {
1628         DBG("offlinmode %d", offlinemode);
1629
1630         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1631                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1632
1633         __connman_notifier_offline_mode(offlinemode);
1634
1635         return 0;
1636 }
1637
1638 void __connman_device_increase_connections(struct connman_device *device)
1639 {
1640         device->connections++;
1641 }
1642
1643 void __connman_device_decrease_connections(struct connman_device *device)
1644 {
1645         device->connections--;
1646 }
1647
1648 /**
1649  * connman_device_add_network:
1650  * @device: device structure
1651  * @network: network structure
1652  *
1653  * Add new network to the device
1654  */
1655 int connman_device_add_network(struct connman_device *device,
1656                                         struct connman_network *network)
1657 {
1658         const char *identifier = connman_network_get_identifier(network);
1659         int err;
1660
1661         DBG("device %p network %p", device, network);
1662
1663         switch (device->mode) {
1664         case CONNMAN_DEVICE_MODE_UNKNOWN:
1665         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1666                 return -EINVAL;
1667         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1668         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1669                 break;
1670         }
1671
1672         __connman_network_set_device(network, device);
1673
1674         __connman_storage_load_network(network);
1675
1676         err = connman_element_register((struct connman_element *) network,
1677                                                         &device->element);
1678         if (err < 0) {
1679                 __connman_network_set_device(network, NULL);
1680                 return err;
1681         }
1682
1683         g_hash_table_insert(device->networks, g_strdup(identifier),
1684                                                                 network);
1685
1686         return 0;
1687 }
1688
1689 /**
1690  * connman_device_get_network:
1691  * @device: device structure
1692  * @identifier: network identifier
1693  *
1694  * Get network for given identifier
1695  */
1696 struct connman_network *connman_device_get_network(struct connman_device *device,
1697                                                         const char *identifier)
1698 {
1699         DBG("device %p identifier %s", device, identifier);
1700
1701         return g_hash_table_lookup(device->networks, identifier);
1702 }
1703
1704 /**
1705  * connman_device_remove_network:
1706  * @device: device structure
1707  * @identifier: network identifier
1708  *
1709  * Remove network for given identifier
1710  */
1711 int connman_device_remove_network(struct connman_device *device,
1712                                                         const char *identifier)
1713 {
1714         DBG("device %p identifier %s", device, identifier);
1715
1716         g_hash_table_remove(device->networks, identifier);
1717
1718         return 0;
1719 }
1720
1721 void __connman_device_set_network(struct connman_device *device,
1722                                         struct connman_network *network)
1723 {
1724         const char *name;
1725
1726         if (device->network == network)
1727                 return;
1728
1729         if (device->network != NULL)
1730                 connman_network_unref(device->network);
1731
1732         if (network != NULL) {
1733                 name = connman_network_get_string(network,
1734                                                 CONNMAN_PROPERTY_ID_NAME);
1735                 g_free(device->last_network);
1736                 device->last_network = g_strdup(name);
1737
1738                 device->network = connman_network_ref(network);
1739         } else {
1740                 g_free(device->last_network);
1741                 device->last_network = NULL;
1742
1743                 device->network = NULL;
1744         }
1745 }
1746
1747 /**
1748  * connman_device_register:
1749  * @device: device structure
1750  *
1751  * Register device with the system
1752  */
1753 int connman_device_register(struct connman_device *device)
1754 {
1755         __connman_storage_load_device(device);
1756
1757         switch (device->mode) {
1758         case CONNMAN_DEVICE_MODE_UNKNOWN:
1759         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1760                 break;
1761         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1762         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1763                 __connman_storage_init_network(device);
1764                 break;
1765         }
1766
1767         return connman_element_register(&device->element, NULL);
1768 }
1769
1770 /**
1771  * connman_device_unregister:
1772  * @device: device structure
1773  *
1774  * Unregister device with the system
1775  */
1776 void connman_device_unregister(struct connman_device *device)
1777 {
1778         __connman_storage_save_device(device);
1779
1780         connman_element_unregister(&device->element);
1781 }
1782
1783 /**
1784  * connman_device_get_data:
1785  * @device: device structure
1786  *
1787  * Get private device data pointer
1788  */
1789 void *connman_device_get_data(struct connman_device *device)
1790 {
1791         return device->driver_data;
1792 }
1793
1794 /**
1795  * connman_device_set_data:
1796  * @device: device structure
1797  * @data: data pointer
1798  *
1799  * Set private device data pointer
1800  */
1801 void connman_device_set_data(struct connman_device *device, void *data)
1802 {
1803         device->driver_data = data;
1804 }
1805
1806 static gboolean match_driver(struct connman_device *device,
1807                                         struct connman_device_driver *driver)
1808 {
1809         if (device->type == driver->type ||
1810                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1811                 return TRUE;
1812
1813         return FALSE;
1814 }
1815
1816 static int device_probe(struct connman_element *element)
1817 {
1818         struct connman_device *device = element->device;
1819         GSList *list;
1820
1821         DBG("element %p name %s", element, element->name);
1822
1823         if (device == NULL)
1824                 return -ENODEV;
1825
1826         if (device->driver != NULL)
1827                 return -EALREADY;
1828
1829         for (list = driver_list; list; list = list->next) {
1830                 struct connman_device_driver *driver = list->data;
1831
1832                 if (match_driver(device, driver) == FALSE)
1833                         continue;
1834
1835                 DBG("driver %p name %s", driver, driver->name);
1836
1837                 if (driver->probe(device) == 0) {
1838                         device->driver = driver;
1839                         break;
1840                 }
1841         }
1842
1843         if (device->driver == NULL)
1844                 return -ENODEV;
1845
1846         return setup_device(device);
1847 }
1848
1849 static void device_remove(struct connman_element *element)
1850 {
1851         struct connman_device *device = element->device;
1852
1853         DBG("element %p name %s", element, element->name);
1854
1855         if (device == NULL)
1856                 return;
1857
1858         if (device->driver == NULL)
1859                 return;
1860
1861         remove_device(device);
1862 }
1863
1864 static struct connman_driver device_driver = {
1865         .name           = "device",
1866         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1867         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1868         .probe          = device_probe,
1869         .remove         = device_remove,
1870 };
1871
1872 static int device_load(struct connman_device *device)
1873 {
1874         GKeyFile *keyfile;
1875         gchar *pathname, *identifier, *data = NULL;
1876         gsize length;
1877         int val;
1878
1879         DBG("device %p", device);
1880
1881         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1882                                         __connman_profile_active_ident());
1883         if (pathname == NULL)
1884                 return -ENOMEM;
1885
1886         keyfile = g_key_file_new();
1887
1888         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1889                 g_free(pathname);
1890                 return -ENOENT;
1891         }
1892
1893         g_free(pathname);
1894
1895         if (g_key_file_load_from_data(keyfile, data, length,
1896                                                         0, NULL) == FALSE) {
1897                 g_free(data);
1898                 return -EILSEQ;
1899         }
1900
1901         g_free(data);
1902
1903         identifier = g_strdup_printf("device_%s", device->element.name);
1904         if (identifier == NULL)
1905                 goto done;
1906
1907         switch (device->mode) {
1908         case CONNMAN_DEVICE_MODE_UNKNOWN:
1909         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1910                 break;
1911         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1912         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1913                 val = g_key_file_get_integer(keyfile, identifier,
1914                                                         "ScanInterval", NULL);
1915                 if (val > 0)
1916                         device->scan_interval = val;
1917                 break;
1918         }
1919
1920 done:
1921         g_key_file_free(keyfile);
1922
1923         g_free(identifier);
1924
1925         return 0;
1926 }
1927
1928 static int device_save(struct connman_device *device)
1929 {
1930         GKeyFile *keyfile;
1931         gchar *pathname, *identifier = NULL, *data = NULL;
1932         gsize length;
1933
1934         DBG("device %p", device);
1935
1936         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1937                                         __connman_profile_active_ident());
1938         if (pathname == NULL)
1939                 return -ENOMEM;
1940
1941         keyfile = g_key_file_new();
1942
1943         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1944                 goto update;
1945
1946         if (length > 0) {
1947                 if (g_key_file_load_from_data(keyfile, data, length,
1948                                                         0, NULL) == FALSE)
1949                         goto done;
1950         }
1951
1952         g_free(data);
1953
1954 update:
1955         identifier = g_strdup_printf("device_%s", device->element.name);
1956         if (identifier == NULL)
1957                 goto done;
1958
1959         switch (device->mode) {
1960         case CONNMAN_DEVICE_MODE_UNKNOWN:
1961         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1962                 break;
1963         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1964         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1965                 if (device->scan_interval > 0)
1966                         g_key_file_set_integer(keyfile, identifier,
1967                                         "ScanInterval", device->scan_interval);
1968                 break;
1969         }
1970
1971         data = g_key_file_to_data(keyfile, &length, NULL);
1972
1973         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1974                 connman_error("Failed to store device information");
1975
1976 done:
1977         g_free(data);
1978
1979         g_key_file_free(keyfile);
1980
1981         g_free(identifier);
1982         g_free(pathname);
1983
1984         return 0;
1985 }
1986
1987 static struct connman_storage device_storage = {
1988         .name           = "device",
1989         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1990         .device_load    = device_load,
1991         .device_save    = device_save,
1992 };
1993
1994 int __connman_device_init(void)
1995 {
1996         DBG("");
1997
1998         connection = connman_dbus_get_connection();
1999
2000         if (connman_storage_register(&device_storage) < 0)
2001                 connman_error("Failed to register device storage");
2002
2003         return connman_driver_register(&device_driver);
2004 }
2005
2006 void __connman_device_cleanup(void)
2007 {
2008         DBG("");
2009
2010         connman_driver_unregister(&device_driver);
2011
2012         connman_storage_unregister(&device_storage);
2013
2014         dbus_connection_unref(connection);
2015 }