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                 struct connman_service *service;
 178
 179                 connman_element_unregister_children(&device->element);
 180
 181                 device->disconnected = TRUE;
 182
 183                 service = __connman_service_lookup_from_device(device);
 184                 __connman_service_indicate_state(service,
 185                                         CONNMAN_SERVICE_STATE_IDLE);
 186         }
 187
 188         return 0;
 189 }
 190
 191 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 192 {
 193         struct connman_service *service;
 194
 195         service = __connman_service_lookup_from_device(device);
 196         __connman_service_set_carrier(service, carrier);
 197
 198         return set_connected(device, carrier);
 199 }
 200
 201 static int set_powered(struct connman_device *device, connman_bool_t powered)
 202 {
 203         struct connman_device_driver *driver = device->driver;
 204         int err;
 205
 206         DBG("device %p powered %d", device, powered);
 207
 208         if (!driver)
 209                 return -EINVAL;
 210
 211         if (powered == TRUE) {
 212                 if (driver->enable) {
 213                         err = driver->enable(device);
 214                         __connman_notifier_device_type_increase(device->type);
 215                 } else
 216                         err = -EINVAL;
 217         } else {
 218                 g_hash_table_remove_all(device->networks);
 219
 220                 set_carrier(device, FALSE);
 221
 222                 if (driver->disable) {
 223                         err = driver->disable(device);
 224                         __connman_notifier_device_type_decrease(device->type);
 225                 } else
 226                         err = -EINVAL;
 227         }
 228
 229         return err;
 230 }
 231
 232 static void append_path(gpointer key, gpointer value, gpointer user_data)
 233 {
 234         struct connman_element *element = value;
 235         DBusMessageIter *iter = user_data;
 236
 237         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 238                                                         &element->path);
 239 }
 240
 241 static void append_networks(struct connman_device *device,
 242                                                 DBusMessageIter *entry)
 243 {
 244         DBusMessageIter value, iter;
 245         const char *key = "Networks";
 246
 247         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 248
 249         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 250                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 251                                                                 &value);
 252
 253         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 254                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 255         g_hash_table_foreach(device->networks, append_path, &iter);
 256         dbus_message_iter_close_container(&value, &iter);
 257
 258         dbus_message_iter_close_container(entry, &value);
 259 }
 260
 261 static DBusMessage *get_properties(DBusConnection *conn,
 262                                         DBusMessage *msg, void *data)
 263 {
 264         struct connman_device *device = data;
 265         DBusMessage *reply;
 266         DBusMessageIter array, dict, entry;
 267         const char *str;
 268
 269         DBG("conn %p", conn);
 270
 271         if (__connman_security_check_privilege(msg,
 272                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 273                 return __connman_error_permission_denied(msg);
 274
 275         reply = dbus_message_new_method_return(msg);
 276         if (reply == NULL)
 277                 return NULL;
 278
 279         dbus_message_iter_init_append(reply, &array);
 280
 281         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 282                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 283                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 284                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 285
 286         if (device->name != NULL)
 287                 connman_dbus_dict_append_variant(&dict, "Name",
 288                                         DBUS_TYPE_STRING, &device->name);
 289
 290         str = type2string(device->type);
 291         if (str != NULL)
 292                 connman_dbus_dict_append_variant(&dict, "Type",
 293                                                 DBUS_TYPE_STRING, &str);
 294
 295         if (device->address != NULL)
 296                 connman_dbus_dict_append_variant(&dict, "Address",
 297                                         DBUS_TYPE_STRING, &device->address);
 298
 299         if (device->interface != NULL)
 300                 connman_dbus_dict_append_variant(&dict, "Interface",
 301                                         DBUS_TYPE_STRING, &device->interface);
 302
 303         connman_dbus_dict_append_variant(&dict, "Powered",
 304                                         DBUS_TYPE_BOOLEAN, &device->powered);
 305
 306         if (device->driver && device->driver->scan)
 307                 connman_dbus_dict_append_variant(&dict, "Scanning",
 308                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 309
 310         switch (device->mode) {
 311         case CONNMAN_DEVICE_MODE_UNKNOWN:
 312                 break;
 313         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 314                 __connman_element_append_ipv4(&device->element, &dict);
 315                 break;
 316         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 317         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 318                 if (device->scan_interval > 0)
 319                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 320                                 DBUS_TYPE_UINT16, &device->scan_interval);
 321
 322                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 323                                                                 NULL, &entry);
 324                 append_networks(device, &entry);
 325                 dbus_message_iter_close_container(&dict, &entry);
 326                 break;
 327         }
 328
 329         dbus_message_iter_close_container(&array, &dict);
 330
 331         return reply;
 332 }
 333
 334 static gboolean powered_timeout(gpointer user_data)
 335 {
 336         struct connman_device *device = user_data;
 337
 338         DBG("device %p", device);
 339
 340         device->timeout = 0;
 341
 342         if (device->pending != NULL) {
 343                 DBusMessage *reply;
 344
 345                 reply = __connman_error_operation_timeout(device->pending);
 346                 if (reply != NULL)
 347                         g_dbus_send_message(connection, reply);
 348
 349                 dbus_message_unref(device->pending);
 350                 device->pending = NULL;
 351         }
 352
 353         return FALSE;
 354 }
 355
 356 static DBusMessage *set_property(DBusConnection *conn,
 357                                         DBusMessage *msg, void *data)
 358 {
 359         struct connman_device *device = data;
 360         DBusMessageIter iter, value;
 361         const char *name;
 362         int type;
 363
 364         DBG("conn %p", conn);
 365
 366         if (dbus_message_iter_init(msg, &iter) == FALSE)
 367                 return __connman_error_invalid_arguments(msg);
 368
 369         dbus_message_iter_get_basic(&iter, &name);
 370         dbus_message_iter_next(&iter);
 371         dbus_message_iter_recurse(&iter, &value);
 372
 373         if (__connman_security_check_privilege(msg,
 374                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 375                 return __connman_error_permission_denied(msg);
 376
 377         type = dbus_message_iter_get_arg_type(&value);
 378
 379         if (g_str_equal(name, "Powered") == TRUE) {
 380                 connman_bool_t powered;
 381                 int err;
 382
 383                 if (type != DBUS_TYPE_BOOLEAN)
 384                         return __connman_error_invalid_arguments(msg);
 385
 386                 dbus_message_iter_get_basic(&value, &powered);
 387
 388                 if (device->powered == powered)
 389                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 390
 391                 if (device->pending != NULL)
 392                         return __connman_error_in_progress(msg);
 393
 394                 err = set_powered(device, powered);
 395                 if (err < 0) {
 396                         if (err != -EINPROGRESS)
 397                                 return __connman_error_failed(msg, -err);
 398
 399                         device->pending = dbus_message_ref(msg);
 400
 401                         device->timeout = g_timeout_add_seconds(15,
 402                                                 powered_timeout, device);
 403
 404                         return NULL;
 405                 }
 406         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 407                 connman_uint16_t interval;
 408
 409                 switch (device->mode) {
 410                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 411                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 412                         return __connman_error_invalid_arguments(msg);
 413                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 414                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 415                         break;
 416                 }
 417
 418                 if (type != DBUS_TYPE_UINT16)
 419                         return __connman_error_invalid_arguments(msg);
 420
 421                 dbus_message_iter_get_basic(&value, &interval);
 422
 423                 device->scan_interval = interval;
 424
 425                 if (device->scan_timeout > 0) {
 426                         g_source_remove(device->scan_timeout);
 427                         device->scan_timeout = 0;
 428                 }
 429
 430                 if (device->scan_interval > 0) {
 431                         guint interval = device->scan_interval;
 432                         device->scan_timeout = g_timeout_add_seconds(interval,
 433                                                 device_scan_trigger, device);
 434                 }
 435         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 436                 int err;
 437
 438                 switch (device->mode) {
 439                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 440                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 441                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 442                         return __connman_error_invalid_arguments(msg);
 443                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 444                         break;
 445                 }
 446
 447                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 448                                                         name + 5, &value);
 449                 if (err < 0)
 450                         return __connman_error_failed(msg, -err);
 451         } else
 452                 return __connman_error_invalid_property(msg);
 453
 454         __connman_storage_save_device(device);
 455
 456         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 457 }
 458
 459 static char *build_group(const unsigned char *ssid, unsigned int ssid_len,
 460                                         const char *mode, const char *security)
 461 {
 462         GString *str;
 463         unsigned int i;
 464
 465         str = g_string_sized_new((ssid_len * 2) + 24);
 466         if (str == NULL)
 467                 return NULL;
 468
 469         if (ssid_len > 0 && ssid[0] != '\0') {
 470                 for (i = 0; i < ssid_len; i++)
 471                         g_string_append_printf(str, "%02x", ssid[i]);
 472         }
 473
 474         g_string_append_printf(str, "_%s_%s", mode, security);
 475
 476         return g_string_free(str, FALSE);
 477 }
 478
 479 static void convert_name(const char *ssid, char *name,
 480                                                 unsigned int ssid_len)
 481 {
 482         unsigned int i;
 483
 484         for (i = 0; i < ssid_len; i++) {
 485                 if (g_ascii_isprint(ssid[i]))
 486                         name[i] = ssid[i];
 487                 else
 488                         name[i] = ' ';
 489         }
 490 }
 491
 492 static struct connman_network *find_network(struct connman_device *device,
 493                                         const void *ssid, const char *address,
 494                                         const char *security, const char *mode)
 495 {
 496         GHashTableIter network_iter;
 497         gpointer key, value;
 498
 499         if (ssid == NULL)
 500                 return NULL;
 501
 502         g_hash_table_iter_init(&network_iter, device->networks);
 503         while (g_hash_table_iter_next(&network_iter, &key, &value) == TRUE) {
 504                 const void *tmp_ssid;
 505                 const char *tmp_security, *tmp_mode, *tmp_address;
 506                 unsigned int tmp_ssid_size;
 507
 508                 tmp_ssid = connman_network_get_blob(value, "WiFi.SSID",
 509                                                         &tmp_ssid_size);
 510                 tmp_security = connman_network_get_string(value,
 511                                                         "WiFi.Security");
 512                 tmp_mode = connman_network_get_string(value, "WiFi.Mode");
 513                 tmp_address = connman_network_get_string(value, "Address");
 514
 515                 if (tmp_ssid_size < 1)
 516                         continue;
 517
 518                 if (tmp_ssid && memcmp(ssid, tmp_ssid, tmp_ssid_size))
 519                         continue;
 520
 521                 if (security && tmp_security &&
 522                                 g_strcmp0(security, tmp_security) != 0)
 523                         continue;
 524
 525                 if (mode && tmp_mode && g_strcmp0(mode, tmp_mode) != 0)
 526                         continue;
 527
 528                 if (address && tmp_address &&
 529                                 g_strcmp0(address, tmp_address) != 0)
 530                         continue;
 531
 532                 return connman_network_ref(value);
 533         }
 534
 535         return NULL;
 536 }
 537
 538 static DBusMessage *join_network(DBusConnection *conn,
 539                                         DBusMessage *msg, void *data)
 540 {
 541         struct connman_device *device = data;
 542         struct connman_network *network, *found_network;
 543         enum connman_network_type type;
 544         unsigned int ssid_size;
 545         const char *group, *mode, *security, *address;
 546         const void *ssid;
 547         DBusMessageIter iter, array;
 548         int err, index;
 549
 550         DBG("conn %p", conn);
 551
 552         if (__connman_security_check_privilege(msg,
 553                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 554                 return __connman_error_permission_denied(msg);
 555
 556         if (!device->driver || !device->driver->join)
 557                 return __connman_error_not_supported(msg);
 558
 559         dbus_message_iter_init(msg, &iter);
 560         dbus_message_iter_recurse(&iter, &array);
 561
 562         switch (device->type) {
 563         case CONNMAN_DEVICE_TYPE_WIFI:
 564                 type = CONNMAN_NETWORK_TYPE_WIFI;
 565                 break;
 566         default:
 567                 return __connman_error_not_supported(msg);
 568         }
 569
 570         network = connman_network_create("00_00_00_00_00_00", type);
 571         if (network == NULL)
 572                 return __connman_error_failed(msg, ENOMEM);
 573
 574         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 575                 DBusMessageIter entry, value;
 576                 const char *key, *str;
 577
 578                 dbus_message_iter_recurse(&array, &entry);
 579                 dbus_message_iter_get_basic(&entry, &key);
 580
 581                 dbus_message_iter_next(&entry);
 582                 dbus_message_iter_recurse(&entry, &value);
 583
 584                 switch (dbus_message_iter_get_arg_type(&value)) {
 585                 case DBUS_TYPE_STRING:
 586                         dbus_message_iter_get_basic(&value, &str);
 587                         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 588                                 char *name;
 589
 590                                 connman_network_set_blob(network, key,
 591                                                         str, strlen(str));
 592                                 name = g_try_malloc0(strlen(str) + 1);
 593                                 if (name == NULL)
 594                                         return __connman_error_failed(msg,
 595                                                                       -ENOMEM);
 596
 597                                 convert_name((char *) str, name, strlen(str));
 598                                 connman_network_set_name(network, name);
 599                                 g_free(name);
 600
 601                         } else
 602                                 connman_network_set_string(network, key, str);
 603                         break;
 604                 }
 605
 606                 dbus_message_iter_next(&array);
 607         }
 608
 609         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_size);
 610         security = connman_network_get_string(network, "WiFi.Security");
 611         mode = connman_network_get_string(network, "WiFi.Mode");
 612         address = connman_network_get_string(network, "Address");
 613
 614         found_network = find_network(device, ssid, address, security, mode);
 615         if (found_network != NULL) {
 616                 const char* passphrase;
 617
 618                 passphrase = connman_network_get_string(network,
 619                                                         "WiFi.Passphrase");
 620                 if (passphrase != NULL)
 621                         connman_network_set_string(found_network,
 622                                                         "WiFi.Passphrase",
 623                                                                 passphrase);
 624                 connman_network_unref(network);
 625                 network = found_network;
 626
 627                 err = __connman_network_connect(found_network);
 628
 629                 connman_network_unref(found_network);
 630
 631                 if (err < 0)
 632                         return __connman_error_failed(msg, -err);
 633
 634                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 635         }
 636
 637         group = build_group(ssid, ssid_size, mode, security);
 638
 639         index = connman_device_get_index(device);
 640         connman_network_set_index(network, index);
 641
 642         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 643
 644         if (connman_device_get_disconnected(device) == FALSE)
 645                 __connman_device_disconnect(device);
 646
 647         err = device->driver->join(device, network);
 648
 649         connman_network_unref(network);
 650
 651         if (err < 0)
 652                 return __connman_error_failed(msg, -err);
 653
 654         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 655 }
 656
 657 static DBusMessage *create_network(DBusConnection *conn,
 658                                         DBusMessage *msg, void *data)
 659 {
 660         DBG("conn %p", conn);
 661
 662         if (__connman_security_check_privilege(msg,
 663                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 664                 return __connman_error_permission_denied(msg);
 665
 666         return __connman_error_invalid_arguments(msg);
 667 }
 668
 669 static DBusMessage *remove_network(DBusConnection *conn,
 670                                         DBusMessage *msg, void *data)
 671 {
 672         DBG("conn %p", conn);
 673
 674         if (__connman_security_check_privilege(msg,
 675                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 676                 return __connman_error_permission_denied(msg);
 677
 678         return __connman_error_invalid_arguments(msg);
 679 }
 680
 681 static DBusMessage *propose_scan(DBusConnection *conn,
 682                                         DBusMessage *msg, void *data)
 683 {
 684         struct connman_device *device = data;
 685         int err;
 686
 687         DBG("conn %p", conn);
 688
 689         switch (device->mode) {
 690         case CONNMAN_DEVICE_MODE_UNKNOWN:
 691         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 692                 return __connman_error_not_supported(msg);
 693         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 694         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 695                 break;
 696         }
 697
 698         if (!device->driver || !device->driver->scan)
 699                 return __connman_error_not_supported(msg);
 700
 701         if (device->powered == FALSE)
 702                 return __connman_error_failed(msg, EINVAL);
 703
 704         err = device->driver->scan(device);
 705         if (err < 0)
 706                 return __connman_error_failed(msg, -err);
 707
 708         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 709 }
 710
 711 static GDBusMethodTable device_methods[] = {
 712         { "GetProperties", "",      "a{sv}", get_properties },
 713         { "SetProperty",   "sv",    "",      set_property,
 714                                                 G_DBUS_METHOD_FLAG_ASYNC },
 715         { "JoinNetwork",   "a{sv}", "",      join_network   },
 716         { "CreateNetwork", "a{sv}", "o",     create_network },
 717         { "RemoveNetwork", "o",     "",      remove_network },
 718         { "ProposeScan",   "",      "",      propose_scan   },
 719         { },
 720 };
 721
 722 static GDBusSignalTable device_signals[] = {
 723         { "PropertyChanged", "sv" },
 724         { },
 725 };
 726
 727 static void append_devices(DBusMessageIter *entry)
 728 {
 729         DBusMessageIter value, iter;
 730         const char *key = "Devices";
 731
 732         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 733
 734         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 735                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 736                                                                 &value);
 737
 738         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 739                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 740         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 741         dbus_message_iter_close_container(&value, &iter);
 742
 743         dbus_message_iter_close_container(entry, &value);
 744 }
 745
 746 static void emit_devices_signal(void)
 747 {
 748         DBusMessage *signal;
 749         DBusMessageIter entry;
 750
 751         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 752                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 753         if (signal == NULL)
 754                 return;
 755
 756         dbus_message_iter_init_append(signal, &entry);
 757
 758         append_devices(&entry);
 759
 760         g_dbus_send_message(connection, signal);
 761 }
 762
 763 static int register_interface(struct connman_element *element)
 764 {
 765         struct connman_device *device = element->device;
 766
 767         DBG("element %p name %s", element, element->name);
 768
 769         if (g_dbus_register_interface(connection, element->path,
 770                                         CONNMAN_DEVICE_INTERFACE,
 771                                         device_methods, device_signals,
 772                                         NULL, device, NULL) == FALSE) {
 773                 connman_error("Failed to register %s device", element->path);
 774                 return -EIO;
 775         }
 776
 777         device->registered = TRUE;
 778
 779         emit_devices_signal();
 780
 781         return 0;
 782 }
 783
 784 static void unregister_interface(struct connman_element *element)
 785 {
 786         struct connman_device *device = element->device;
 787
 788         DBG("element %p name %s", element, element->name);
 789
 790         device->registered = FALSE;
 791
 792         emit_devices_signal();
 793
 794         g_dbus_unregister_interface(connection, element->path,
 795                                                 CONNMAN_DEVICE_INTERFACE);
 796 }
 797
 798 static void device_enable(struct connman_device *device)
 799 {
 800         DBG("device %p", device);
 801
 802         if (device->powered == TRUE)
 803                 return;
 804
 805         if (device->driver->enable) {
 806                 device->driver->enable(device);
 807                 __connman_notifier_device_type_increase(device->type);
 808         }
 809 }
 810
 811 static void device_disable(struct connman_device *device)
 812 {
 813         DBG("device %p", device);
 814
 815         if (device->powered == FALSE)
 816                 return;
 817
 818         g_hash_table_remove_all(device->networks);
 819
 820         if (device->driver->disable) {
 821                 device->driver->disable(device);
 822                 __connman_notifier_device_type_decrease(device->type);
 823         }
 824 }
 825
 826 static int setup_device(struct connman_device *device)
 827 {
 828         int err;
 829
 830         DBG("device %p", device);
 831
 832         err = register_interface(&device->element);
 833         if (err < 0) {
 834                 if (device->driver->remove)
 835                         device->driver->remove(device);
 836                 device->driver = NULL;
 837                 return err;
 838         }
 839
 840         switch (device->mode) {
 841         case CONNMAN_DEVICE_MODE_UNKNOWN:
 842         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 843         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 844                 break;
 845         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 846                 if (device->secondary == FALSE)
 847                         __connman_profile_add_device(device);
 848                 break;
 849         }
 850
 851         device_enable(device);
 852
 853         return 0;
 854 }
 855
 856 static void probe_driver(struct connman_element *element, gpointer user_data)
 857 {
 858         struct connman_device_driver *driver = user_data;
 859
 860         DBG("element %p name %s", element, element->name);
 861
 862         if (element->device == NULL)
 863                 return;
 864
 865         if (element->device->driver != NULL)
 866                 return;
 867
 868         if (driver->type != element->device->type)
 869                 return;
 870
 871         if (driver->probe(element->device) < 0)
 872                 return;
 873
 874         element->device->driver = driver;
 875
 876         setup_device(element->device);
 877 }
 878
 879 static void remove_device(struct connman_device *device)
 880 {
 881         DBG("device %p", device);
 882
 883         device_disable(device);
 884
 885         switch (device->mode) {
 886         case CONNMAN_DEVICE_MODE_UNKNOWN:
 887         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 888         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 889                 break;
 890         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 891                 if (device->secondary == FALSE)
 892                         __connman_profile_remove_device(device);
 893                 break;
 894         }
 895
 896         unregister_interface(&device->element);
 897
 898         if (device->driver->remove)
 899                 device->driver->remove(device);
 900
 901         device->driver = NULL;
 902 }
 903
 904 static void remove_driver(struct connman_element *element, gpointer user_data)
 905 {
 906         struct connman_device_driver *driver = user_data;
 907
 908         DBG("element %p name %s", element, element->name);
 909
 910         if (element->device == NULL)
 911                 return;
 912
 913         if (element->device->driver == driver)
 914                 remove_device(element->device);
 915 }
 916
 917 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 918 {
 919         if (device == NULL || device->driver == NULL)
 920                 return FALSE;
 921
 922         return device->registered;
 923 }
 924
 925 static GSList *driver_list = NULL;
 926
 927 static gint compare_priority(gconstpointer a, gconstpointer b)
 928 {
 929         const struct connman_device_driver *driver1 = a;
 930         const struct connman_device_driver *driver2 = b;
 931
 932         return driver2->priority - driver1->priority;
 933 }
 934
 935 /**
 936  * connman_device_driver_register:
 937  * @driver: device driver definition
 938  *
 939  * Register a new device driver
 940  *
 941  * Returns: %0 on success
 942  */
 943 int connman_device_driver_register(struct connman_device_driver *driver)
 944 {
 945         DBG("driver %p name %s", driver, driver->name);
 946
 947         driver_list = g_slist_insert_sorted(driver_list, driver,
 948                                                         compare_priority);
 949
 950         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 951                                                 probe_driver, driver);
 952
 953         return 0;
 954 }
 955
 956 /**
 957  * connman_device_driver_unregister:
 958  * @driver: device driver definition
 959  *
 960  * Remove a previously registered device driver
 961  */
 962 void connman_device_driver_unregister(struct connman_device_driver *driver)
 963 {
 964         DBG("driver %p name %s", driver, driver->name);
 965
 966         driver_list = g_slist_remove(driver_list, driver);
 967
 968         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 969                                                 remove_driver, driver);
 970 }
 971
 972 static void unregister_network(gpointer data)
 973 {
 974         struct connman_network *network = data;
 975
 976         DBG("network %p", network);
 977
 978         connman_element_unregister((struct connman_element *) network);
 979
 980         connman_network_unref(network);
 981 }
 982
 983 static void device_destruct(struct connman_element *element)
 984 {
 985         struct connman_device *device = element->device;
 986
 987         DBG("element %p name %s", element, element->name);
 988
 989         if (device->timeout > 0) {
 990                 g_source_remove(device->timeout);
 991                 device->timeout = 0;
 992         }
 993
 994         if (device->pending != NULL) {
 995                 dbus_message_unref(device->pending);
 996                 device->pending = NULL;
 997         }
 998
 999         g_free(device->ident);
1000         g_free(device->node);
1001         g_free(device->name);
1002         g_free(device->address);
1003         g_free(device->interface);
1004
1005         connman_ipconfig_unref(device->ipconfig);
1006
1007         g_free(device->last_network);
1008
1009         g_hash_table_destroy(device->networks);
1010         device->networks = NULL;
1011 }
1012
1013 /**
1014  * connman_device_create:
1015  * @node: device node name (for example an address)
1016  * @type: device type
1017  *
1018  * Allocate a new device of given #type and assign the #node name to it.
1019  *
1020  * Returns: a newly-allocated #connman_device structure
1021  */
1022 struct connman_device *connman_device_create(const char *node,
1023                                                 enum connman_device_type type)
1024 {
1025         struct connman_device *device;
1026         const char *str;
1027
1028         DBG("node %s type %d", node, type);
1029
1030         device = g_try_new0(struct connman_device, 1);
1031         if (device == NULL)
1032                 return NULL;
1033
1034         DBG("device %p", device);
1035
1036         __connman_element_initialize(&device->element);
1037
1038         device->element.name = g_strdup(node);
1039         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
1040
1041         device->element.device = device;
1042         device->element.destruct = device_destruct;
1043
1044         str = type2string(type);
1045         if (str != NULL)
1046                 connman_element_set_string(&device->element,
1047                                         CONNMAN_PROPERTY_ID_TYPE, str);
1048
1049         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
1050
1051         device->type      = type;
1052         device->name      = g_strdup(type2description(device->type));
1053         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
1054         device->secondary = FALSE;
1055
1056         switch (type) {
1057         case CONNMAN_DEVICE_TYPE_UNKNOWN:
1058         case CONNMAN_DEVICE_TYPE_VENDOR:
1059                 device->scan_interval = 0;
1060                 break;
1061         case CONNMAN_DEVICE_TYPE_ETHERNET:
1062         case CONNMAN_DEVICE_TYPE_WIFI:
1063                 device->scan_interval = 300;
1064                 break;
1065         case CONNMAN_DEVICE_TYPE_WIMAX:
1066                 device->scan_interval = 0;
1067                 break;
1068         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
1069                 device->scan_interval = 0;
1070                 break;
1071         case CONNMAN_DEVICE_TYPE_GPS:
1072                 device->scan_interval = 0;
1073                 break;
1074         case CONNMAN_DEVICE_TYPE_MBM:
1075         case CONNMAN_DEVICE_TYPE_HSO:
1076         case CONNMAN_DEVICE_TYPE_NOZOMI:
1077         case CONNMAN_DEVICE_TYPE_HUAWEI:
1078         case CONNMAN_DEVICE_TYPE_NOVATEL:
1079                 device->scan_interval = 0;
1080                 break;
1081         }
1082
1083         device->ipconfig = connman_ipconfig_create();
1084         if (device->ipconfig == NULL) {
1085                 connman_device_unref(device);
1086                 return NULL;
1087         }
1088
1089         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
1090                                                 g_free, unregister_network);
1091
1092         return device;
1093 }
1094
1095 /**
1096  * connman_device_ref:
1097  * @device: device structure
1098  *
1099  * Increase reference counter of device
1100  */
1101 struct connman_device *connman_device_ref(struct connman_device *device)
1102 {
1103         if (connman_element_ref(&device->element) == NULL)
1104                 return NULL;
1105
1106         return device;
1107 }
1108
1109 /**
1110  * connman_device_unref:
1111  * @device: device structure
1112  *
1113  * Decrease reference counter of device
1114  */
1115 void connman_device_unref(struct connman_device *device)
1116 {
1117         connman_element_unref(&device->element);
1118 }
1119
1120 const char *__connman_device_get_type(struct connman_device *device)
1121 {
1122         return type2string(device->type);
1123 }
1124
1125 /**
1126  * connman_device_get_type:
1127  * @device: device structure
1128  *
1129  * Get type of device
1130  */
1131 enum connman_device_type connman_device_get_type(struct connman_device *device)
1132 {
1133         return device->type;
1134 }
1135
1136 /**
1137  * connman_device_get_name:
1138  * @device: device structure
1139  *
1140  * Get unique name of device
1141  */
1142 const char *connman_device_get_name(struct connman_device *device)
1143 {
1144         return device->element.name;
1145 }
1146
1147 /**
1148  * connman_device_get_path:
1149  * @device: device structure
1150  *
1151  * Get path name of device
1152  */
1153 const char *connman_device_get_path(struct connman_device *device)
1154 {
1155         return device->element.path;
1156 }
1157
1158 /**
1159  * connman_device_set_index:
1160  * @device: device structure
1161  * @index: index number
1162  *
1163  * Set index number of device
1164  */
1165 void connman_device_set_index(struct connman_device *device, int index)
1166 {
1167         device->element.index = index;
1168 }
1169
1170 /**
1171  * connman_device_get_index:
1172  * @device: device structure
1173  *
1174  * Get index number of device
1175  */
1176 int connman_device_get_index(struct connman_device *device)
1177 {
1178         return device->element.index;
1179 }
1180
1181 /**
1182  * connman_device_set_interface:
1183  * @device: device structure
1184  * @interface: interface name
1185  *
1186  * Set interface name of device
1187  */
1188 void connman_device_set_interface(struct connman_device *device,
1189                                                         const char *interface)
1190 {
1191         g_free(device->element.devname);
1192         device->element.devname = g_strdup(interface);
1193
1194         g_free(device->interface);
1195         device->interface = g_strdup(interface);
1196
1197         if (device->name == NULL) {
1198                 const char *str = type2description(device->type);
1199                 if (str != NULL && device->interface != NULL)
1200                         device->name = g_strdup_printf("%s (%s)", str,
1201                                                         device->interface);
1202         }
1203 }
1204
1205 /**
1206  * connman_device_get_interface:
1207  * @device: device structure
1208  *
1209  * Get interface name of device
1210  */
1211 const char *connman_device_get_interface(struct connman_device *device)
1212 {
1213         return device->interface;
1214 }
1215
1216 /**
1217  * connman_device_set_ident:
1218  * @device: device structure
1219  * @ident: unique identifier
1220  *
1221  * Set unique identifier of device
1222  */
1223 void connman_device_set_ident(struct connman_device *device,
1224                                                         const char *ident)
1225 {
1226         g_free(device->ident);
1227         device->ident = g_strdup(ident);
1228 }
1229
1230 const char *__connman_device_get_ident(struct connman_device *device)
1231 {
1232         return device->ident;
1233 }
1234
1235 /**
1236  * connman_device_set_mode:
1237  * @device: device structure
1238  * @mode: network mode
1239  *
1240  * Change network mode of device
1241  */
1242 void connman_device_set_mode(struct connman_device *device,
1243                                                 enum connman_device_mode mode)
1244 {
1245         device->mode = mode;
1246 }
1247
1248 /**
1249  * connman_device_get_mode:
1250  * @device: device structure
1251  *
1252  * Get network mode of device
1253  */
1254 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1255 {
1256         return device->mode;
1257 }
1258
1259 /**
1260  * connman_device_set_secondary:
1261  * @device: device structure
1262  * @secondary: secondary value
1263  *
1264  * Change secondary value of device
1265  */
1266 void connman_device_set_secondary(struct connman_device *device,
1267                                                 connman_bool_t secondary)
1268 {
1269         device->secondary = secondary;
1270 }
1271
1272 /**
1273  * connman_device_get_secondary:
1274  * @device: device structure
1275  *
1276  * Get secondary value of device
1277  */
1278 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1279 {
1280         return device->secondary;
1281 }
1282
1283 /**
1284  * connman_device_set_powered:
1285  * @device: device structure
1286  * @powered: powered state
1287  *
1288  * Change power state of device
1289  */
1290 int connman_device_set_powered(struct connman_device *device,
1291                                                 connman_bool_t powered)
1292 {
1293         DBusMessage *signal;
1294         DBusMessageIter entry, value;
1295         const char *key = "Powered";
1296
1297         DBG("driver %p powered %d", device, powered);
1298
1299         if (device->timeout > 0) {
1300                 g_source_remove(device->timeout);
1301                 device->timeout = 0;
1302         }
1303
1304         if (device->pending != NULL) {
1305                 g_dbus_send_reply(connection, device->pending,
1306                                                         DBUS_TYPE_INVALID);
1307
1308                 dbus_message_unref(device->pending);
1309                 device->pending = NULL;
1310         }
1311
1312         if (device->powered == powered)
1313                 return -EALREADY;
1314
1315         device->powered = powered;
1316
1317         if (device->registered == FALSE)
1318                 return 0;
1319
1320         signal = dbus_message_new_signal(device->element.path,
1321                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1322         if (signal == NULL)
1323                 return 0;
1324
1325         dbus_message_iter_init_append(signal, &entry);
1326
1327         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1328
1329         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1330                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1331         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1332         dbus_message_iter_close_container(&entry, &value);
1333
1334         g_dbus_send_message(connection, signal);
1335
1336         if (powered == FALSE)
1337                 return 0;
1338
1339         if (device->scan_timeout > 0) {
1340                 g_source_remove(device->scan_timeout);
1341                 device->scan_timeout = 0;
1342         }
1343
1344         if (device->scan_interval > 0) {
1345                 guint interval = device->scan_interval;
1346                 device->scan_timeout = g_timeout_add_seconds(interval,
1347                                         device_scan_trigger, device);
1348         }
1349
1350         if (device->driver->scan)
1351                 device->driver->scan(device);
1352
1353         return 0;
1354 }
1355
1356 /**
1357  * connman_device_set_carrier:
1358  * @device: device structure
1359  * @carrier: carrier state
1360  *
1361  * Change carrier state of device (only for device without scanning)
1362  */
1363 int connman_device_set_carrier(struct connman_device *device,
1364                                                 connman_bool_t carrier)
1365 {
1366         DBG("device %p carrier %d", device, carrier);
1367
1368         switch (device->mode) {
1369         case CONNMAN_DEVICE_MODE_UNKNOWN:
1370         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1371         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1372                 return -EINVAL;
1373         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1374                 break;
1375         }
1376
1377         if (device->carrier == carrier)
1378                 return -EALREADY;
1379
1380         device->carrier = carrier;
1381
1382         return set_carrier(device, device->carrier);
1383 }
1384
1385 int __connman_device_connect(struct connman_device *device)
1386 {
1387         DBG("device %p", device);
1388
1389         if (device->disconnected == FALSE)
1390                 return -EINVAL;
1391
1392         if (device->driver && device->driver->connect)
1393                 device->driver->connect(device);
1394
1395         return 0;
1396 }
1397
1398 int __connman_device_disconnect(struct connman_device *device)
1399 {
1400         GHashTableIter iter;
1401         gpointer key, value;
1402
1403         DBG("device %p", device);
1404
1405         connman_device_set_disconnected(device, TRUE);
1406
1407         g_hash_table_iter_init(&iter, device->networks);
1408
1409         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1410                 struct connman_network *network = value;
1411
1412                 if (connman_network_get_connected(network) == TRUE)
1413                         __connman_network_disconnect(network);
1414         }
1415
1416         if (device->driver && device->driver->disconnect)
1417                 device->driver->disconnect(device);
1418
1419         return 0;
1420 }
1421
1422 static void mark_network_unavailable(gpointer key, gpointer value,
1423                                                         gpointer user_data)
1424 {
1425         struct connman_network *network = value;
1426
1427         if (connman_network_get_connected(network) == TRUE)
1428                 return;
1429
1430         connman_network_set_available(network, FALSE);
1431 }
1432
1433 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1434                                                         gpointer user_data)
1435 {
1436         struct connman_network *network = value;
1437
1438         if (connman_network_get_connected(network) == TRUE)
1439                 return FALSE;
1440
1441         if (connman_network_get_available(network) == TRUE)
1442                 return FALSE;
1443
1444         return TRUE;
1445 }
1446
1447 /**
1448  * connman_device_set_scanning:
1449  * @device: device structure
1450  * @scanning: scanning state
1451  *
1452  * Change scanning state of device
1453  */
1454 int connman_device_set_scanning(struct connman_device *device,
1455                                                 connman_bool_t scanning)
1456 {
1457         DBusMessage *signal;
1458         DBusMessageIter entry, value;
1459         const char *key = "Scanning";
1460
1461         DBG("device %p scanning %d", device, scanning);
1462
1463         if (!device->driver || !device->driver->scan)
1464                 return -EINVAL;
1465
1466         if (device->scanning == scanning)
1467                 return -EALREADY;
1468
1469         device->scanning = scanning;
1470
1471         signal = dbus_message_new_signal(device->element.path,
1472                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1473         if (signal == NULL)
1474                 return 0;
1475
1476         dbus_message_iter_init_append(signal, &entry);
1477
1478         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1479
1480         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1481                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1482         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1483         dbus_message_iter_close_container(&entry, &value);
1484
1485         g_dbus_send_message(connection, signal);
1486
1487         if (scanning == TRUE) {
1488                 if (device->scan_timeout > 0) {
1489                         g_source_remove(device->scan_timeout);
1490                         device->scan_timeout = 0;
1491                 }
1492
1493                 if (device->scan_interval > 0) {
1494                         guint interval = device->scan_interval;
1495                         device->scan_timeout = g_timeout_add_seconds(interval,
1496                                                 device_scan_trigger, device);
1497                 }
1498
1499                 g_hash_table_foreach(device->networks,
1500                                         mark_network_unavailable, NULL);
1501                 return 0;
1502         }
1503
1504         g_hash_table_foreach_remove(device->networks,
1505                                         remove_unavailable_network, NULL);
1506
1507         if (device->connections > 0)
1508                 return 0;
1509
1510         if (device->disconnected == TRUE)
1511                 return 0;
1512
1513         return 0;
1514 }
1515
1516 /**
1517  * connman_device_set_disconnected:
1518  * @device: device structure
1519  * @disconnected: disconnected state
1520  *
1521  * Change disconnected state of device (only for device with networks)
1522  */
1523 int connman_device_set_disconnected(struct connman_device *device,
1524                                                 connman_bool_t disconnected)
1525 {
1526         DBG("device %p disconnected %d", device, disconnected);
1527
1528         switch (device->mode) {
1529         case CONNMAN_DEVICE_MODE_UNKNOWN:
1530         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1531                 return -EINVAL;
1532         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1533         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1534                 break;
1535         }
1536
1537         if (device->disconnected == disconnected)
1538                 return -EALREADY;
1539
1540         device->disconnected = disconnected;
1541
1542         return 0;
1543 }
1544
1545 /**
1546  * connman_device_get_disconnected:
1547  * @device: device structure
1548  *
1549  * Get device disconnected state
1550  */
1551 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1552 {
1553         return device->disconnected;
1554 }
1555
1556 /**
1557  * connman_device_set_connected:
1558  * @device: device structure
1559  * @connected: connected state
1560  *
1561  * Change connected state of device (for Ethernet like devices)
1562  */
1563 int connman_device_set_connected(struct connman_device *device,
1564                                                 connman_bool_t connected)
1565 {
1566         DBG("device %p connected %d", device, connected);
1567
1568         switch (device->mode) {
1569         case CONNMAN_DEVICE_MODE_UNKNOWN:
1570         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1571         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1572                 return -EINVAL;
1573         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1574                 break;
1575         }
1576
1577         if (device->carrier == FALSE)
1578                 return -ENOTCONN;
1579
1580         return set_connected(device, connected);
1581 }
1582
1583 /**
1584  * connman_device_set_string:
1585  * @device: device structure
1586  * @key: unique identifier
1587  * @value: string value
1588  *
1589  * Set string value for specific key
1590  */
1591 int connman_device_set_string(struct connman_device *device,
1592                                         const char *key, const char *value)
1593 {
1594         DBG("device %p key %s value %s", device, key, value);
1595
1596         if (g_str_equal(key, "Address") == TRUE) {
1597                 g_free(device->address);
1598                 device->address = g_strdup(value);
1599         } else if (g_str_equal(key, "Name") == TRUE) {
1600                 g_free(device->name);
1601                 device->name = g_strdup(value);
1602         } else if (g_str_equal(key, "Node") == TRUE) {
1603                 g_free(device->node);
1604                 device->node = g_strdup(value);
1605         }
1606
1607         return connman_element_set_string(&device->element, key, value);
1608 }
1609
1610 /**
1611  * connman_device_get_string:
1612  * @device: device structure
1613  * @key: unique identifier
1614  *
1615  * Get string value for specific key
1616  */
1617 const char *connman_device_get_string(struct connman_device *device,
1618                                                         const char *key)
1619 {
1620         DBG("device %p key %s", device, key);
1621
1622         if (g_str_equal(key, "Address") == TRUE)
1623                 return device->address;
1624         else if (g_str_equal(key, "Name") == TRUE)
1625                 return device->name;
1626         else if (g_str_equal(key, "Node") == TRUE)
1627                 return device->node;
1628
1629         return connman_element_get_string(&device->element, key);
1630 }
1631
1632 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1633 {
1634         struct connman_device *device = element->device;
1635         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1636         connman_bool_t powered;
1637
1638         DBG("element %p name %s", element, element->name);
1639
1640         if (device == NULL)
1641                 return;
1642
1643         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1644
1645         if (device->powered == powered)
1646                 return;
1647
1648         set_powered(device, powered);
1649 }
1650
1651 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1652 {
1653         DBG("offlinmode %d", offlinemode);
1654
1655         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1656                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1657
1658         __connman_notifier_offline_mode(offlinemode);
1659
1660         return 0;
1661 }
1662
1663 void __connman_device_increase_connections(struct connman_device *device)
1664 {
1665         device->connections++;
1666 }
1667
1668 void __connman_device_decrease_connections(struct connman_device *device)
1669 {
1670         device->connections--;
1671 }
1672
1673 /**
1674  * connman_device_add_network:
1675  * @device: device structure
1676  * @network: network structure
1677  *
1678  * Add new network to the device
1679  */
1680 int connman_device_add_network(struct connman_device *device,
1681                                         struct connman_network *network)
1682 {
1683         const char *identifier = connman_network_get_identifier(network);
1684         int err;
1685
1686         DBG("device %p network %p", device, network);
1687
1688         switch (device->mode) {
1689         case CONNMAN_DEVICE_MODE_UNKNOWN:
1690         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1691                 return -EINVAL;
1692         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1693         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1694                 break;
1695         }
1696
1697         __connman_network_set_device(network, device);
1698
1699         __connman_storage_load_network(network);
1700
1701         err = connman_element_register((struct connman_element *) network,
1702                                                         &device->element);
1703         if (err < 0) {
1704                 __connman_network_set_device(network, NULL);
1705                 return err;
1706         }
1707
1708         g_hash_table_insert(device->networks, g_strdup(identifier),
1709                                                                 network);
1710
1711         return 0;
1712 }
1713
1714 /**
1715  * connman_device_get_network:
1716  * @device: device structure
1717  * @identifier: network identifier
1718  *
1719  * Get network for given identifier
1720  */
1721 struct connman_network *connman_device_get_network(struct connman_device *device,
1722                                                         const char *identifier)
1723 {
1724         DBG("device %p identifier %s", device, identifier);
1725
1726         return g_hash_table_lookup(device->networks, identifier);
1727 }
1728
1729 /**
1730  * connman_device_remove_network:
1731  * @device: device structure
1732  * @identifier: network identifier
1733  *
1734  * Remove network for given identifier
1735  */
1736 int connman_device_remove_network(struct connman_device *device,
1737                                                         const char *identifier)
1738 {
1739         DBG("device %p identifier %s", device, identifier);
1740
1741         g_hash_table_remove(device->networks, identifier);
1742
1743         return 0;
1744 }
1745
1746 void __connman_device_set_network(struct connman_device *device,
1747                                         struct connman_network *network)
1748 {
1749         const char *name;
1750
1751         if (device->network == network)
1752                 return;
1753
1754         if (device->network != NULL)
1755                 connman_network_unref(device->network);
1756
1757         if (network != NULL) {
1758                 name = connman_network_get_string(network,
1759                                                 CONNMAN_PROPERTY_ID_NAME);
1760                 g_free(device->last_network);
1761                 device->last_network = g_strdup(name);
1762
1763                 device->network = connman_network_ref(network);
1764         } else {
1765                 g_free(device->last_network);
1766                 device->last_network = NULL;
1767
1768                 device->network = NULL;
1769         }
1770 }
1771
1772 /**
1773  * connman_device_register:
1774  * @device: device structure
1775  *
1776  * Register device with the system
1777  */
1778 int connman_device_register(struct connman_device *device)
1779 {
1780         __connman_storage_load_device(device);
1781
1782         switch (device->mode) {
1783         case CONNMAN_DEVICE_MODE_UNKNOWN:
1784         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1785                 break;
1786         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1787         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1788                 __connman_storage_init_network(device);
1789                 break;
1790         }
1791
1792         return connman_element_register(&device->element, NULL);
1793 }
1794
1795 /**
1796  * connman_device_unregister:
1797  * @device: device structure
1798  *
1799  * Unregister device with the system
1800  */
1801 void connman_device_unregister(struct connman_device *device)
1802 {
1803         __connman_storage_save_device(device);
1804
1805         connman_element_unregister(&device->element);
1806 }
1807
1808 /**
1809  * connman_device_get_data:
1810  * @device: device structure
1811  *
1812  * Get private device data pointer
1813  */
1814 void *connman_device_get_data(struct connman_device *device)
1815 {
1816         return device->driver_data;
1817 }
1818
1819 /**
1820  * connman_device_set_data:
1821  * @device: device structure
1822  * @data: data pointer
1823  *
1824  * Set private device data pointer
1825  */
1826 void connman_device_set_data(struct connman_device *device, void *data)
1827 {
1828         device->driver_data = data;
1829 }
1830
1831 static gboolean match_driver(struct connman_device *device,
1832                                         struct connman_device_driver *driver)
1833 {
1834         if (device->type == driver->type ||
1835                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1836                 return TRUE;
1837
1838         return FALSE;
1839 }
1840
1841 static int device_probe(struct connman_element *element)
1842 {
1843         struct connman_device *device = element->device;
1844         GSList *list;
1845
1846         DBG("element %p name %s", element, element->name);
1847
1848         if (device == NULL)
1849                 return -ENODEV;
1850
1851         if (device->driver != NULL)
1852                 return -EALREADY;
1853
1854         for (list = driver_list; list; list = list->next) {
1855                 struct connman_device_driver *driver = list->data;
1856
1857                 if (match_driver(device, driver) == FALSE)
1858                         continue;
1859
1860                 DBG("driver %p name %s", driver, driver->name);
1861
1862                 if (driver->probe(device) == 0) {
1863                         device->driver = driver;
1864                         break;
1865                 }
1866         }
1867
1868         if (device->driver == NULL)
1869                 return -ENODEV;
1870
1871         return setup_device(device);
1872 }
1873
1874 static void device_remove(struct connman_element *element)
1875 {
1876         struct connman_device *device = element->device;
1877
1878         DBG("element %p name %s", element, element->name);
1879
1880         if (device == NULL)
1881                 return;
1882
1883         if (device->driver == NULL)
1884                 return;
1885
1886         remove_device(device);
1887 }
1888
1889 static struct connman_driver device_driver = {
1890         .name           = "device",
1891         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1892         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1893         .probe          = device_probe,
1894         .remove         = device_remove,
1895 };
1896
1897 static int device_load(struct connman_device *device)
1898 {
1899         GKeyFile *keyfile;
1900         gchar *pathname, *identifier, *data = NULL;
1901         gsize length;
1902         int val;
1903
1904         DBG("device %p", device);
1905
1906         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1907                                         __connman_profile_active_ident());
1908         if (pathname == NULL)
1909                 return -ENOMEM;
1910
1911         keyfile = g_key_file_new();
1912
1913         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1914                 g_free(pathname);
1915                 return -ENOENT;
1916         }
1917
1918         g_free(pathname);
1919
1920         if (g_key_file_load_from_data(keyfile, data, length,
1921                                                         0, NULL) == FALSE) {
1922                 g_free(data);
1923                 return -EILSEQ;
1924         }
1925
1926         g_free(data);
1927
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                 val = g_key_file_get_integer(keyfile, identifier,
1939                                                         "ScanInterval", NULL);
1940                 if (val > 0)
1941                         device->scan_interval = val;
1942                 break;
1943         }
1944
1945 done:
1946         g_key_file_free(keyfile);
1947
1948         g_free(identifier);
1949
1950         return 0;
1951 }
1952
1953 static int device_save(struct connman_device *device)
1954 {
1955         GKeyFile *keyfile;
1956         gchar *pathname, *identifier = NULL, *data = NULL;
1957         gsize length;
1958
1959         DBG("device %p", device);
1960
1961         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1962                                         __connman_profile_active_ident());
1963         if (pathname == NULL)
1964                 return -ENOMEM;
1965
1966         keyfile = g_key_file_new();
1967
1968         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1969                 goto update;
1970
1971         if (length > 0) {
1972                 if (g_key_file_load_from_data(keyfile, data, length,
1973                                                         0, NULL) == FALSE)
1974                         goto done;
1975         }
1976
1977         g_free(data);
1978
1979 update:
1980         identifier = g_strdup_printf("device_%s", device->element.name);
1981         if (identifier == NULL)
1982                 goto done;
1983
1984         switch (device->mode) {
1985         case CONNMAN_DEVICE_MODE_UNKNOWN:
1986         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1987                 break;
1988         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1989         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1990                 if (device->scan_interval > 0)
1991                         g_key_file_set_integer(keyfile, identifier,
1992                                         "ScanInterval", device->scan_interval);
1993                 break;
1994         }
1995
1996         data = g_key_file_to_data(keyfile, &length, NULL);
1997
1998         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1999                 connman_error("Failed to store device information");
2000
2001 done:
2002         g_free(data);
2003
2004         g_key_file_free(keyfile);
2005
2006         g_free(identifier);
2007         g_free(pathname);
2008
2009         return 0;
2010 }
2011
2012 static struct connman_storage device_storage = {
2013         .name           = "device",
2014         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
2015         .device_load    = device_load,
2016         .device_save    = device_save,
2017 };
2018
2019 int __connman_device_init(void)
2020 {
2021         DBG("");
2022
2023         connection = connman_dbus_get_connection();
2024
2025         if (connman_storage_register(&device_storage) < 0)
2026                 connman_error("Failed to register device storage");
2027
2028         return connman_driver_register(&device_driver);
2029 }
2030
2031 void __connman_device_cleanup(void)
2032 {
2033         DBG("");
2034
2035         connman_driver_unregister(&device_driver);
2036
2037         connman_storage_unregister(&device_storage);
2038
2039         dbus_connection_unref(connection);
2040 }