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 *control;
  50         char *ident;
  51         unsigned int connections;
  52         guint scan_timeout;
  53         struct connman_ipconfig *ipconfig;
  54
  55         struct connman_device_driver *driver;
  56         void *driver_data;
  57
  58         connman_bool_t registered;
  59
  60         char *last_network;
  61         struct connman_network *network;
  62         GHashTable *networks;
  63
  64         DBusMessage *pending;
  65         guint timeout;
  66 };
  67
  68 static gboolean device_scan_trigger(gpointer user_data)
  69 {
  70         struct connman_device *device = user_data;
  71
  72         DBG("device %p", device);
  73
  74         if (device->driver == NULL) {
  75                 device->scan_timeout = 0;
  76                 return FALSE;
  77         }
  78
  79         if (device->driver->scan)
  80                 device->driver->scan(device);
  81
  82         return TRUE;
  83 }
  84
  85 static const char *type2description(enum connman_device_type type)
  86 {
  87         switch (type) {
  88         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  89         case CONNMAN_DEVICE_TYPE_VENDOR:
  90                 break;
  91         case CONNMAN_DEVICE_TYPE_ETHERNET:
  92                 return "Ethernet";
  93         case CONNMAN_DEVICE_TYPE_WIFI:
  94                 return "Wireless";
  95         case CONNMAN_DEVICE_TYPE_WIMAX:
  96                 return "WiMAX";
  97         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  98                 return "Bluetooth";
  99         case CONNMAN_DEVICE_TYPE_GPS:
 100                 return "GPS";
 101         case CONNMAN_DEVICE_TYPE_MBM:
 102         case CONNMAN_DEVICE_TYPE_HSO:
 103         case CONNMAN_DEVICE_TYPE_NOZOMI:
 104         case CONNMAN_DEVICE_TYPE_HUAWEI:
 105         case CONNMAN_DEVICE_TYPE_NOVATEL:
 106                 return "Cellular";
 107         }
 108
 109         return NULL;
 110 }
 111
 112 static const char *type2string(enum connman_device_type type)
 113 {
 114         switch (type) {
 115         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 116         case CONNMAN_DEVICE_TYPE_VENDOR:
 117                 break;
 118         case CONNMAN_DEVICE_TYPE_ETHERNET:
 119                 return "ethernet";
 120         case CONNMAN_DEVICE_TYPE_WIFI:
 121                 return "wifi";
 122         case CONNMAN_DEVICE_TYPE_WIMAX:
 123                 return "wimax";
 124         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 125                 return "bluetooth";
 126         case CONNMAN_DEVICE_TYPE_GPS:
 127                 return "gps";
 128         case CONNMAN_DEVICE_TYPE_MBM:
 129         case CONNMAN_DEVICE_TYPE_HSO:
 130         case CONNMAN_DEVICE_TYPE_HUAWEI:
 131         case CONNMAN_DEVICE_TYPE_NOZOMI:
 132         case CONNMAN_DEVICE_TYPE_NOVATEL:
 133                 return "cellular";
 134         }
 135
 136         return NULL;
 137 }
 138
 139 static int set_connected(struct connman_device *device,
 140                                                 connman_bool_t connected)
 141 {
 142         if (connected == TRUE) {
 143                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 144                 struct connman_element *element;
 145
 146                 device->disconnected = TRUE;
 147
 148                 switch (device->element.ipv4.method) {
 149                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 150                 case CONNMAN_IPCONFIG_METHOD_OFF:
 151                         return 0;
 152                 case CONNMAN_IPCONFIG_METHOD_STATIC:
 153                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 154                         break;
 155                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 156                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 157                         break;
 158                 }
 159
 160                 element = connman_element_create(NULL);
 161                 if (element != NULL) {
 162                         struct connman_service *service;
 163
 164                         element->type  = type;
 165                         element->index = device->element.index;
 166
 167                         if (connman_element_register(element,
 168                                                         &device->element) < 0)
 169                                 connman_element_unref(element);
 170
 171                         device->disconnected = FALSE;
 172
 173                         service = __connman_service_lookup_from_device(device);
 174                         __connman_service_indicate_state(service,
 175                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 176                 }
 177         } else {
 178                 struct connman_service *service;
 179
 180                 connman_element_unregister_children(&device->element);
 181
 182                 device->disconnected = TRUE;
 183
 184                 service = __connman_service_lookup_from_device(device);
 185                 __connman_service_indicate_state(service,
 186                                         CONNMAN_SERVICE_STATE_IDLE);
 187         }
 188
 189         return 0;
 190 }
 191
 192 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 193 {
 194         struct connman_service *service;
 195
 196         service = __connman_service_lookup_from_device(device);
 197         __connman_service_set_carrier(service, carrier);
 198
 199         return set_connected(device, carrier);
 200 }
 201
 202 static int set_powered(struct connman_device *device, connman_bool_t powered)
 203 {
 204         struct connman_device_driver *driver = device->driver;
 205         int err;
 206
 207         DBG("device %p powered %d", device, powered);
 208
 209         if (!driver)
 210                 return -EINVAL;
 211
 212         if (powered == TRUE) {
 213                 if (driver->enable) {
 214                         err = driver->enable(device);
 215                         __connman_notifier_device_type_increase(device->type);
 216                 } else
 217                         err = -EINVAL;
 218         } else {
 219                 g_hash_table_remove_all(device->networks);
 220
 221                 set_carrier(device, FALSE);
 222
 223                 if (driver->disable) {
 224                         err = driver->disable(device);
 225                         __connman_notifier_device_type_decrease(device->type);
 226                 } else
 227                         err = -EINVAL;
 228         }
 229
 230         if (err == 0)
 231                 device->powered = powered;
 232
 233         return err;
 234 }
 235
 236 static void append_path(gpointer key, gpointer value, gpointer user_data)
 237 {
 238         struct connman_element *element = value;
 239         DBusMessageIter *iter = user_data;
 240
 241         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 242                                                         &element->path);
 243 }
 244
 245 static void append_networks(struct connman_device *device,
 246                                                 DBusMessageIter *entry)
 247 {
 248         DBusMessageIter value, iter;
 249         const char *key = "Networks";
 250
 251         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 252
 253         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 254                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 255                                                                 &value);
 256
 257         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 258                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 259         g_hash_table_foreach(device->networks, append_path, &iter);
 260         dbus_message_iter_close_container(&value, &iter);
 261
 262         dbus_message_iter_close_container(entry, &value);
 263 }
 264
 265 static DBusMessage *get_properties(DBusConnection *conn,
 266                                         DBusMessage *msg, void *data)
 267 {
 268         struct connman_device *device = data;
 269         DBusMessage *reply;
 270         DBusMessageIter array, dict, entry;
 271         const char *str;
 272
 273         DBG("conn %p", conn);
 274
 275         if (__connman_security_check_privilege(msg,
 276                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 277                 return __connman_error_permission_denied(msg);
 278
 279         reply = dbus_message_new_method_return(msg);
 280         if (reply == NULL)
 281                 return NULL;
 282
 283         dbus_message_iter_init_append(reply, &array);
 284
 285         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 286                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 287                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 288                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 289
 290         if (device->name != NULL)
 291                 connman_dbus_dict_append_variant(&dict, "Name",
 292                                         DBUS_TYPE_STRING, &device->name);
 293
 294         str = type2string(device->type);
 295         if (str != NULL)
 296                 connman_dbus_dict_append_variant(&dict, "Type",
 297                                                 DBUS_TYPE_STRING, &str);
 298
 299         if (device->address != NULL)
 300                 connman_dbus_dict_append_variant(&dict, "Address",
 301                                         DBUS_TYPE_STRING, &device->address);
 302
 303         if (device->interface != NULL)
 304                 connman_dbus_dict_append_variant(&dict, "Interface",
 305                                         DBUS_TYPE_STRING, &device->interface);
 306
 307         connman_dbus_dict_append_variant(&dict, "Powered",
 308                                         DBUS_TYPE_BOOLEAN, &device->powered);
 309
 310         if (device->driver && device->driver->scan)
 311                 connman_dbus_dict_append_variant(&dict, "Scanning",
 312                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 313
 314         switch (device->mode) {
 315         case CONNMAN_DEVICE_MODE_UNKNOWN:
 316                 break;
 317         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 318                 __connman_element_append_ipv4(&device->element, &dict);
 319                 break;
 320         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 321         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 322                 if (device->scan_interval > 0)
 323                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 324                                 DBUS_TYPE_UINT16, &device->scan_interval);
 325
 326                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 327                                                                 NULL, &entry);
 328                 append_networks(device, &entry);
 329                 dbus_message_iter_close_container(&dict, &entry);
 330                 break;
 331         }
 332
 333         dbus_message_iter_close_container(&array, &dict);
 334
 335         return reply;
 336 }
 337
 338 static gboolean powered_timeout(gpointer user_data)
 339 {
 340         struct connman_device *device = user_data;
 341
 342         DBG("device %p", device);
 343
 344         device->timeout = 0;
 345
 346         if (device->pending != NULL) {
 347                 DBusMessage *reply;
 348
 349                 reply = __connman_error_operation_timeout(device->pending);
 350                 if (reply != NULL)
 351                         g_dbus_send_message(connection, reply);
 352
 353                 dbus_message_unref(device->pending);
 354                 device->pending = NULL;
 355         }
 356
 357         return FALSE;
 358 }
 359
 360 static DBusMessage *set_property(DBusConnection *conn,
 361                                         DBusMessage *msg, void *data)
 362 {
 363         struct connman_device *device = data;
 364         DBusMessageIter iter, value;
 365         const char *name;
 366         int type;
 367
 368         DBG("conn %p", conn);
 369
 370         if (dbus_message_iter_init(msg, &iter) == FALSE)
 371                 return __connman_error_invalid_arguments(msg);
 372
 373         dbus_message_iter_get_basic(&iter, &name);
 374         dbus_message_iter_next(&iter);
 375         dbus_message_iter_recurse(&iter, &value);
 376
 377         if (__connman_security_check_privilege(msg,
 378                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 379                 return __connman_error_permission_denied(msg);
 380
 381         type = dbus_message_iter_get_arg_type(&value);
 382
 383         if (g_str_equal(name, "Powered") == TRUE) {
 384                 connman_bool_t powered;
 385                 int err;
 386
 387                 if (type != DBUS_TYPE_BOOLEAN)
 388                         return __connman_error_invalid_arguments(msg);
 389
 390                 dbus_message_iter_get_basic(&value, &powered);
 391
 392                 if (device->powered == powered)
 393                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 394
 395                 if (device->pending != NULL)
 396                         return __connman_error_in_progress(msg);
 397
 398                 err = set_powered(device, powered);
 399                 if (err < 0) {
 400                         if (err != -EINPROGRESS)
 401                                 return __connman_error_failed(msg, -err);
 402
 403                         device->pending = dbus_message_ref(msg);
 404
 405                         device->timeout = g_timeout_add_seconds(15,
 406                                                 powered_timeout, device);
 407
 408                         return NULL;
 409                 }
 410         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 411                 connman_uint16_t interval;
 412
 413                 switch (device->mode) {
 414                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 415                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 416                         return __connman_error_invalid_arguments(msg);
 417                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 418                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 419                         break;
 420                 }
 421
 422                 if (type != DBUS_TYPE_UINT16)
 423                         return __connman_error_invalid_arguments(msg);
 424
 425                 dbus_message_iter_get_basic(&value, &interval);
 426
 427                 device->scan_interval = interval;
 428
 429                 if (device->scan_timeout > 0) {
 430                         g_source_remove(device->scan_timeout);
 431                         device->scan_timeout = 0;
 432                 }
 433
 434                 if (device->scan_interval > 0) {
 435                         guint interval = device->scan_interval;
 436                         device->scan_timeout = g_timeout_add_seconds(interval,
 437                                                 device_scan_trigger, device);
 438                 }
 439         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 440                 int err;
 441
 442                 switch (device->mode) {
 443                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 444                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 445                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 446                         return __connman_error_invalid_arguments(msg);
 447                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 448                         break;
 449                 }
 450
 451                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 452                                                         name + 5, &value);
 453                 if (err < 0)
 454                         return __connman_error_failed(msg, -err);
 455         } else
 456                 return __connman_error_invalid_property(msg);
 457
 458         __connman_storage_save_device(device);
 459
 460         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 461 }
 462
 463 static char *build_group(const unsigned char *ssid, unsigned int ssid_len,
 464                                         const char *mode, const char *security)
 465 {
 466         GString *str;
 467         unsigned int i;
 468
 469         str = g_string_sized_new((ssid_len * 2) + 24);
 470         if (str == NULL)
 471                 return NULL;
 472
 473         if (ssid_len > 0 && ssid[0] != '\0') {
 474                 for (i = 0; i < ssid_len; i++)
 475                         g_string_append_printf(str, "%02x", ssid[i]);
 476         }
 477
 478         g_string_append_printf(str, "_%s_%s", mode, security);
 479
 480         return g_string_free(str, FALSE);
 481 }
 482
 483 static void convert_name(const char *ssid, char *name,
 484                                                 unsigned int ssid_len)
 485 {
 486         unsigned int i;
 487
 488         for (i = 0; i < ssid_len; i++) {
 489                 if (g_ascii_isprint(ssid[i]))
 490                         name[i] = ssid[i];
 491                 else
 492                         name[i] = ' ';
 493         }
 494 }
 495
 496 static struct connman_network *find_network(struct connman_device *device,
 497                                         const void *ssid, const char *address,
 498                                         const char *security, const char *mode)
 499 {
 500         GHashTableIter network_iter;
 501         gpointer key, value;
 502
 503         if (ssid == NULL)
 504                 return NULL;
 505
 506         g_hash_table_iter_init(&network_iter, device->networks);
 507         while (g_hash_table_iter_next(&network_iter, &key, &value) == TRUE) {
 508                 const void *tmp_ssid;
 509                 const char *tmp_security, *tmp_mode, *tmp_address;
 510                 unsigned int tmp_ssid_size;
 511
 512                 tmp_ssid = connman_network_get_blob(value, "WiFi.SSID",
 513                                                         &tmp_ssid_size);
 514                 tmp_security = connman_network_get_string(value,
 515                                                         "WiFi.Security");
 516                 tmp_mode = connman_network_get_string(value, "WiFi.Mode");
 517                 tmp_address = connman_network_get_string(value, "Address");
 518
 519                 if (tmp_ssid_size < 1)
 520                         continue;
 521
 522                 if (tmp_ssid && memcmp(ssid, tmp_ssid, tmp_ssid_size))
 523                         continue;
 524
 525                 if (security && tmp_security &&
 526                                 g_strcmp0(security, tmp_security) != 0)
 527                         continue;
 528
 529                 if (mode && tmp_mode && g_strcmp0(mode, tmp_mode) != 0)
 530                         continue;
 531
 532                 if (address && tmp_address &&
 533                                 g_strcmp0(address, tmp_address) != 0)
 534                         continue;
 535
 536                 return connman_network_ref(value);
 537         }
 538
 539         return NULL;
 540 }
 541
 542 static DBusMessage *join_network(DBusConnection *conn,
 543                                         DBusMessage *msg, void *data)
 544 {
 545         struct connman_device *device = data;
 546         struct connman_network *network, *found_network;
 547         enum connman_network_type type;
 548         unsigned int ssid_size;
 549         const char *group, *mode, *security, *address;
 550         const void *ssid;
 551         DBusMessageIter iter, array;
 552         int err, index;
 553
 554         DBG("conn %p", conn);
 555
 556         if (__connman_security_check_privilege(msg,
 557                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 558                 return __connman_error_permission_denied(msg);
 559
 560         if (!device->driver || !device->driver->join)
 561                 return __connman_error_not_supported(msg);
 562
 563         dbus_message_iter_init(msg, &iter);
 564         dbus_message_iter_recurse(&iter, &array);
 565
 566         switch (device->type) {
 567         case CONNMAN_DEVICE_TYPE_WIFI:
 568                 type = CONNMAN_NETWORK_TYPE_WIFI;
 569                 break;
 570         default:
 571                 return __connman_error_not_supported(msg);
 572         }
 573
 574         network = connman_network_create("00_00_00_00_00_00", type);
 575         if (network == NULL)
 576                 return __connman_error_failed(msg, ENOMEM);
 577
 578         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 579                 DBusMessageIter entry, value;
 580                 const char *key, *str;
 581
 582                 dbus_message_iter_recurse(&array, &entry);
 583                 dbus_message_iter_get_basic(&entry, &key);
 584
 585                 dbus_message_iter_next(&entry);
 586                 dbus_message_iter_recurse(&entry, &value);
 587
 588                 switch (dbus_message_iter_get_arg_type(&value)) {
 589                 case DBUS_TYPE_STRING:
 590                         dbus_message_iter_get_basic(&value, &str);
 591                         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 592                                 char *name;
 593
 594                                 connman_network_set_blob(network, key,
 595                                                         str, strlen(str));
 596                                 name = g_try_malloc0(strlen(str) + 1);
 597                                 if (name == NULL)
 598                                         return __connman_error_failed(msg,
 599                                                                       -ENOMEM);
 600
 601                                 convert_name((char *) str, name, strlen(str));
 602                                 connman_network_set_name(network, name);
 603                                 g_free(name);
 604
 605                         } else
 606                                 connman_network_set_string(network, key, str);
 607                         break;
 608                 }
 609
 610                 dbus_message_iter_next(&array);
 611         }
 612
 613         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_size);
 614         security = connman_network_get_string(network, "WiFi.Security");
 615         mode = connman_network_get_string(network, "WiFi.Mode");
 616         address = connman_network_get_string(network, "Address");
 617
 618         found_network = find_network(device, ssid, address, security, mode);
 619         if (found_network != NULL) {
 620                 const char* passphrase;
 621
 622                 passphrase = connman_network_get_string(network,
 623                                                         "WiFi.Passphrase");
 624                 if (passphrase != NULL)
 625                         connman_network_set_string(found_network,
 626                                                         "WiFi.Passphrase",
 627                                                                 passphrase);
 628                 connman_network_unref(network);
 629                 network = found_network;
 630
 631                 err = __connman_network_connect(found_network);
 632
 633                 connman_network_unref(found_network);
 634
 635                 if (err < 0)
 636                         return __connman_error_failed(msg, -err);
 637
 638                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 639         }
 640
 641         group = build_group(ssid, ssid_size, mode, security);
 642
 643         index = connman_device_get_index(device);
 644         connman_network_set_index(network, index);
 645
 646         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 647
 648         if (connman_device_get_disconnected(device) == FALSE)
 649                 __connman_device_disconnect(device);
 650
 651         err = device->driver->join(device, network);
 652
 653         connman_network_unref(network);
 654
 655         if (err < 0)
 656                 return __connman_error_failed(msg, -err);
 657
 658         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 659 }
 660
 661 static DBusMessage *create_network(DBusConnection *conn,
 662                                         DBusMessage *msg, void *data)
 663 {
 664         DBG("conn %p", conn);
 665
 666         if (__connman_security_check_privilege(msg,
 667                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 668                 return __connman_error_permission_denied(msg);
 669
 670         return __connman_error_invalid_arguments(msg);
 671 }
 672
 673 static DBusMessage *remove_network(DBusConnection *conn,
 674                                         DBusMessage *msg, void *data)
 675 {
 676         DBG("conn %p", conn);
 677
 678         if (__connman_security_check_privilege(msg,
 679                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 680                 return __connman_error_permission_denied(msg);
 681
 682         return __connman_error_invalid_arguments(msg);
 683 }
 684
 685 static DBusMessage *propose_scan(DBusConnection *conn,
 686                                         DBusMessage *msg, void *data)
 687 {
 688         struct connman_device *device = data;
 689         int err;
 690
 691         DBG("conn %p", conn);
 692
 693         switch (device->mode) {
 694         case CONNMAN_DEVICE_MODE_UNKNOWN:
 695         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 696                 return __connman_error_not_supported(msg);
 697         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 698         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 699                 break;
 700         }
 701
 702         if (!device->driver || !device->driver->scan)
 703                 return __connman_error_not_supported(msg);
 704
 705         if (device->powered == FALSE)
 706                 return __connman_error_failed(msg, EINVAL);
 707
 708         err = device->driver->scan(device);
 709         if (err < 0)
 710                 return __connman_error_failed(msg, -err);
 711
 712         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 713 }
 714
 715 static GDBusMethodTable device_methods[] = {
 716         { "GetProperties", "",      "a{sv}", get_properties },
 717         { "SetProperty",   "sv",    "",      set_property,
 718                                                 G_DBUS_METHOD_FLAG_ASYNC },
 719         { "JoinNetwork",   "a{sv}", "",      join_network   },
 720         { "CreateNetwork", "a{sv}", "o",     create_network },
 721         { "RemoveNetwork", "o",     "",      remove_network },
 722         { "ProposeScan",   "",      "",      propose_scan   },
 723         { },
 724 };
 725
 726 static GDBusSignalTable device_signals[] = {
 727         { "PropertyChanged", "sv" },
 728         { },
 729 };
 730
 731 static void append_devices(DBusMessageIter *entry)
 732 {
 733         DBusMessageIter value, iter;
 734         const char *key = "Devices";
 735
 736         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 737
 738         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 739                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 740                                                                 &value);
 741
 742         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 743                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 744         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 745         dbus_message_iter_close_container(&value, &iter);
 746
 747         dbus_message_iter_close_container(entry, &value);
 748 }
 749
 750 static void emit_devices_signal(void)
 751 {
 752         DBusMessage *signal;
 753         DBusMessageIter entry;
 754
 755         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 756                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 757         if (signal == NULL)
 758                 return;
 759
 760         dbus_message_iter_init_append(signal, &entry);
 761
 762         append_devices(&entry);
 763
 764         g_dbus_send_message(connection, signal);
 765 }
 766
 767 static int register_interface(struct connman_element *element)
 768 {
 769         struct connman_device *device = element->device;
 770
 771         DBG("element %p name %s", element, element->name);
 772
 773         if (g_dbus_register_interface(connection, element->path,
 774                                         CONNMAN_DEVICE_INTERFACE,
 775                                         device_methods, device_signals,
 776                                         NULL, device, NULL) == FALSE) {
 777                 connman_error("Failed to register %s device", element->path);
 778                 return -EIO;
 779         }
 780
 781         device->registered = TRUE;
 782
 783         emit_devices_signal();
 784
 785         return 0;
 786 }
 787
 788 static void unregister_interface(struct connman_element *element)
 789 {
 790         struct connman_device *device = element->device;
 791
 792         DBG("element %p name %s", element, element->name);
 793
 794         device->registered = FALSE;
 795
 796         emit_devices_signal();
 797
 798         g_dbus_unregister_interface(connection, element->path,
 799                                                 CONNMAN_DEVICE_INTERFACE);
 800 }
 801
 802 static void device_enable(struct connman_device *device)
 803 {
 804         DBG("device %p", device);
 805
 806         if (device->powered == TRUE)
 807                 return;
 808
 809         if (device->driver->enable) {
 810                 device->driver->enable(device);
 811                 __connman_notifier_device_type_increase(device->type);
 812         }
 813 }
 814
 815 static void device_disable(struct connman_device *device)
 816 {
 817         DBG("device %p", device);
 818
 819         if (device->powered == FALSE)
 820                 return;
 821
 822         g_hash_table_remove_all(device->networks);
 823
 824         if (device->driver->disable) {
 825                 device->driver->disable(device);
 826                 __connman_notifier_device_type_decrease(device->type);
 827         }
 828 }
 829
 830 static int setup_device(struct connman_device *device)
 831 {
 832         int err;
 833
 834         DBG("device %p", device);
 835
 836         err = register_interface(&device->element);
 837         if (err < 0) {
 838                 if (device->driver->remove)
 839                         device->driver->remove(device);
 840                 device->driver = NULL;
 841                 return err;
 842         }
 843
 844         switch (device->mode) {
 845         case CONNMAN_DEVICE_MODE_UNKNOWN:
 846         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 847         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 848                 break;
 849         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 850                 if (device->secondary == FALSE)
 851                         __connman_profile_add_device(device);
 852                 break;
 853         }
 854
 855         device_enable(device);
 856
 857         return 0;
 858 }
 859
 860 static void probe_driver(struct connman_element *element, gpointer user_data)
 861 {
 862         struct connman_device_driver *driver = user_data;
 863
 864         DBG("element %p name %s", element, element->name);
 865
 866         if (element->device == NULL)
 867                 return;
 868
 869         if (element->device->driver != NULL)
 870                 return;
 871
 872         if (driver->type != element->device->type)
 873                 return;
 874
 875         if (driver->probe(element->device) < 0)
 876                 return;
 877
 878         element->device->driver = driver;
 879
 880         setup_device(element->device);
 881 }
 882
 883 static void remove_device(struct connman_device *device)
 884 {
 885         DBG("device %p", device);
 886
 887         device_disable(device);
 888
 889         switch (device->mode) {
 890         case CONNMAN_DEVICE_MODE_UNKNOWN:
 891         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 892         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 893                 break;
 894         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 895                 if (device->secondary == FALSE)
 896                         __connman_profile_remove_device(device);
 897                 break;
 898         }
 899
 900         unregister_interface(&device->element);
 901
 902         if (device->driver->remove)
 903                 device->driver->remove(device);
 904
 905         device->driver = NULL;
 906 }
 907
 908 static void remove_driver(struct connman_element *element, gpointer user_data)
 909 {
 910         struct connman_device_driver *driver = user_data;
 911
 912         DBG("element %p name %s", element, element->name);
 913
 914         if (element->device == NULL)
 915                 return;
 916
 917         if (element->device->driver == driver)
 918                 remove_device(element->device);
 919 }
 920
 921 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 922 {
 923         if (device == NULL || device->driver == NULL)
 924                 return FALSE;
 925
 926         return device->registered;
 927 }
 928
 929 static GSList *driver_list = NULL;
 930
 931 static gint compare_priority(gconstpointer a, gconstpointer b)
 932 {
 933         const struct connman_device_driver *driver1 = a;
 934         const struct connman_device_driver *driver2 = b;
 935
 936         return driver2->priority - driver1->priority;
 937 }
 938
 939 /**
 940  * connman_device_driver_register:
 941  * @driver: device driver definition
 942  *
 943  * Register a new device driver
 944  *
 945  * Returns: %0 on success
 946  */
 947 int connman_device_driver_register(struct connman_device_driver *driver)
 948 {
 949         DBG("driver %p name %s", driver, driver->name);
 950
 951         driver_list = g_slist_insert_sorted(driver_list, driver,
 952                                                         compare_priority);
 953
 954         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 955                                                 probe_driver, driver);
 956
 957         return 0;
 958 }
 959
 960 /**
 961  * connman_device_driver_unregister:
 962  * @driver: device driver definition
 963  *
 964  * Remove a previously registered device driver
 965  */
 966 void connman_device_driver_unregister(struct connman_device_driver *driver)
 967 {
 968         DBG("driver %p name %s", driver, driver->name);
 969
 970         driver_list = g_slist_remove(driver_list, driver);
 971
 972         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 973                                                 remove_driver, driver);
 974 }
 975
 976 static void unregister_network(gpointer data)
 977 {
 978         struct connman_network *network = data;
 979
 980         DBG("network %p", network);
 981
 982         connman_element_unregister((struct connman_element *) network);
 983
 984         connman_network_unref(network);
 985 }
 986
 987 static void device_destruct(struct connman_element *element)
 988 {
 989         struct connman_device *device = element->device;
 990
 991         DBG("element %p name %s", element, element->name);
 992
 993         if (device->timeout > 0) {
 994                 g_source_remove(device->timeout);
 995                 device->timeout = 0;
 996         }
 997
 998         if (device->pending != NULL) {
 999                 dbus_message_unref(device->pending);
1000                 device->pending = NULL;
1001         }
1002
1003         g_free(device->ident);
1004         g_free(device->node);
1005         g_free(device->name);
1006         g_free(device->address);
1007         g_free(device->control);
1008         g_free(device->interface);
1009
1010         connman_ipconfig_unref(device->ipconfig);
1011
1012         g_free(device->last_network);
1013
1014         g_hash_table_destroy(device->networks);
1015         device->networks = NULL;
1016 }
1017
1018 /**
1019  * connman_device_create:
1020  * @node: device node name (for example an address)
1021  * @type: device type
1022  *
1023  * Allocate a new device of given #type and assign the #node name to it.
1024  *
1025  * Returns: a newly-allocated #connman_device structure
1026  */
1027 struct connman_device *connman_device_create(const char *node,
1028                                                 enum connman_device_type type)
1029 {
1030         struct connman_device *device;
1031         const char *str;
1032
1033         DBG("node %s type %d", node, type);
1034
1035         device = g_try_new0(struct connman_device, 1);
1036         if (device == NULL)
1037                 return NULL;
1038
1039         DBG("device %p", device);
1040
1041         __connman_element_initialize(&device->element);
1042
1043         device->element.name = g_strdup(node);
1044         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
1045
1046         device->element.device = device;
1047         device->element.destruct = device_destruct;
1048
1049         str = type2string(type);
1050         if (str != NULL)
1051                 connman_element_set_string(&device->element,
1052                                         CONNMAN_PROPERTY_ID_TYPE, str);
1053
1054         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
1055
1056         device->type      = type;
1057         device->name      = g_strdup(type2description(device->type));
1058         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
1059         device->secondary = FALSE;
1060
1061         switch (type) {
1062         case CONNMAN_DEVICE_TYPE_UNKNOWN:
1063         case CONNMAN_DEVICE_TYPE_VENDOR:
1064                 device->scan_interval = 0;
1065                 break;
1066         case CONNMAN_DEVICE_TYPE_ETHERNET:
1067         case CONNMAN_DEVICE_TYPE_WIFI:
1068                 device->scan_interval = 300;
1069                 break;
1070         case CONNMAN_DEVICE_TYPE_WIMAX:
1071                 device->scan_interval = 0;
1072                 break;
1073         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
1074                 device->scan_interval = 0;
1075                 break;
1076         case CONNMAN_DEVICE_TYPE_GPS:
1077                 device->scan_interval = 0;
1078                 break;
1079         case CONNMAN_DEVICE_TYPE_MBM:
1080         case CONNMAN_DEVICE_TYPE_HSO:
1081         case CONNMAN_DEVICE_TYPE_NOZOMI:
1082         case CONNMAN_DEVICE_TYPE_HUAWEI:
1083         case CONNMAN_DEVICE_TYPE_NOVATEL:
1084                 device->scan_interval = 0;
1085                 break;
1086         }
1087
1088         device->ipconfig = connman_ipconfig_create();
1089         if (device->ipconfig == NULL) {
1090                 connman_device_unref(device);
1091                 return NULL;
1092         }
1093
1094         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
1095                                                 g_free, unregister_network);
1096
1097         return device;
1098 }
1099
1100 /**
1101  * connman_device_ref:
1102  * @device: device structure
1103  *
1104  * Increase reference counter of device
1105  */
1106 struct connman_device *connman_device_ref(struct connman_device *device)
1107 {
1108         if (connman_element_ref(&device->element) == NULL)
1109                 return NULL;
1110
1111         return device;
1112 }
1113
1114 /**
1115  * connman_device_unref:
1116  * @device: device structure
1117  *
1118  * Decrease reference counter of device
1119  */
1120 void connman_device_unref(struct connman_device *device)
1121 {
1122         connman_element_unref(&device->element);
1123 }
1124
1125 const char *__connman_device_get_type(struct connman_device *device)
1126 {
1127         return type2string(device->type);
1128 }
1129
1130 /**
1131  * connman_device_get_type:
1132  * @device: device structure
1133  *
1134  * Get type of device
1135  */
1136 enum connman_device_type connman_device_get_type(struct connman_device *device)
1137 {
1138         return device->type;
1139 }
1140
1141 /**
1142  * connman_device_get_name:
1143  * @device: device structure
1144  *
1145  * Get unique name of device
1146  */
1147 const char *connman_device_get_name(struct connman_device *device)
1148 {
1149         return device->element.name;
1150 }
1151
1152 /**
1153  * connman_device_get_path:
1154  * @device: device structure
1155  *
1156  * Get path name of device
1157  */
1158 const char *connman_device_get_path(struct connman_device *device)
1159 {
1160         return device->element.path;
1161 }
1162
1163 /**
1164  * connman_device_set_index:
1165  * @device: device structure
1166  * @index: index number
1167  *
1168  * Set index number of device
1169  */
1170 void connman_device_set_index(struct connman_device *device, int index)
1171 {
1172         device->element.index = index;
1173 }
1174
1175 /**
1176  * connman_device_get_index:
1177  * @device: device structure
1178  *
1179  * Get index number of device
1180  */
1181 int connman_device_get_index(struct connman_device *device)
1182 {
1183         return device->element.index;
1184 }
1185
1186 /**
1187  * connman_device_set_interface:
1188  * @device: device structure
1189  * @interface: interface name
1190  * @control: control interface
1191  *
1192  * Set interface name of device
1193  */
1194 void connman_device_set_interface(struct connman_device *device,
1195                                 const char *interface, const char *control)
1196 {
1197         g_free(device->element.devname);
1198         device->element.devname = g_strdup(interface);
1199
1200         g_free(device->interface);
1201         device->interface = g_strdup(interface);
1202
1203         g_free(device->control);
1204         device->control = g_strdup(control);
1205
1206         if (device->name == NULL) {
1207                 const char *str = type2description(device->type);
1208                 if (str != NULL && device->interface != NULL)
1209                         device->name = g_strdup_printf("%s (%s)", str,
1210                                                         device->interface);
1211         }
1212 }
1213
1214 /**
1215  * connman_device_set_ident:
1216  * @device: device structure
1217  * @ident: unique identifier
1218  *
1219  * Set unique identifier of device
1220  */
1221 void connman_device_set_ident(struct connman_device *device,
1222                                                         const char *ident)
1223 {
1224         g_free(device->ident);
1225         device->ident = g_strdup(ident);
1226 }
1227
1228 const char *__connman_device_get_ident(struct connman_device *device)
1229 {
1230         return device->ident;
1231 }
1232
1233 /**
1234  * connman_device_set_mode:
1235  * @device: device structure
1236  * @mode: network mode
1237  *
1238  * Change network mode of device
1239  */
1240 void connman_device_set_mode(struct connman_device *device,
1241                                                 enum connman_device_mode mode)
1242 {
1243         device->mode = mode;
1244 }
1245
1246 /**
1247  * connman_device_get_mode:
1248  * @device: device structure
1249  *
1250  * Get network mode of device
1251  */
1252 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1253 {
1254         return device->mode;
1255 }
1256
1257 /**
1258  * connman_device_set_secondary:
1259  * @device: device structure
1260  * @secondary: secondary value
1261  *
1262  * Change secondary value of device
1263  */
1264 void connman_device_set_secondary(struct connman_device *device,
1265                                                 connman_bool_t secondary)
1266 {
1267         device->secondary = secondary;
1268 }
1269
1270 /**
1271  * connman_device_get_secondary:
1272  * @device: device structure
1273  *
1274  * Get secondary value of device
1275  */
1276 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1277 {
1278         return device->secondary;
1279 }
1280
1281 /**
1282  * connman_device_set_powered:
1283  * @device: device structure
1284  * @powered: powered state
1285  *
1286  * Change power state of device
1287  */
1288 int connman_device_set_powered(struct connman_device *device,
1289                                                 connman_bool_t powered)
1290 {
1291         DBusMessage *signal;
1292         DBusMessageIter entry, value;
1293         const char *key = "Powered";
1294
1295         DBG("driver %p powered %d", device, powered);
1296
1297         if (device->timeout > 0) {
1298                 g_source_remove(device->timeout);
1299                 device->timeout = 0;
1300         }
1301
1302         if (device->pending != NULL) {
1303                 g_dbus_send_reply(connection, device->pending,
1304                                                         DBUS_TYPE_INVALID);
1305
1306                 dbus_message_unref(device->pending);
1307                 device->pending = NULL;
1308         }
1309
1310         if (device->powered == powered)
1311                 return -EALREADY;
1312
1313         device->powered = powered;
1314
1315         if (device->registered == FALSE)
1316                 return 0;
1317
1318         signal = dbus_message_new_signal(device->element.path,
1319                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1320         if (signal == NULL)
1321                 return 0;
1322
1323         dbus_message_iter_init_append(signal, &entry);
1324
1325         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1326
1327         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1328                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1329         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1330         dbus_message_iter_close_container(&entry, &value);
1331
1332         g_dbus_send_message(connection, signal);
1333
1334         if (powered == FALSE)
1335                 return 0;
1336
1337         if (device->scan_timeout > 0) {
1338                 g_source_remove(device->scan_timeout);
1339                 device->scan_timeout = 0;
1340         }
1341
1342         if (device->scan_interval > 0) {
1343                 guint interval = device->scan_interval;
1344                 device->scan_timeout = g_timeout_add_seconds(interval,
1345                                         device_scan_trigger, device);
1346         }
1347
1348         if (device->driver->scan)
1349                 device->driver->scan(device);
1350
1351         return 0;
1352 }
1353
1354 /**
1355  * connman_device_set_carrier:
1356  * @device: device structure
1357  * @carrier: carrier state
1358  *
1359  * Change carrier state of device (only for device without scanning)
1360  */
1361 int connman_device_set_carrier(struct connman_device *device,
1362                                                 connman_bool_t carrier)
1363 {
1364         DBG("device %p carrier %d", device, carrier);
1365
1366         switch (device->mode) {
1367         case CONNMAN_DEVICE_MODE_UNKNOWN:
1368         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1369         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1370                 return -EINVAL;
1371         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1372                 break;
1373         }
1374
1375         if (device->carrier == carrier)
1376                 return -EALREADY;
1377
1378         device->carrier = carrier;
1379
1380         return set_carrier(device, device->carrier);
1381 }
1382
1383 int __connman_device_connect(struct connman_device *device)
1384 {
1385         DBG("device %p", device);
1386
1387         if (device->disconnected == FALSE)
1388                 return -EINVAL;
1389
1390         if (device->driver && device->driver->connect)
1391                 device->driver->connect(device);
1392
1393         return 0;
1394 }
1395
1396 int __connman_device_disconnect(struct connman_device *device)
1397 {
1398         GHashTableIter iter;
1399         gpointer key, value;
1400
1401         DBG("device %p", device);
1402
1403         connman_device_set_disconnected(device, TRUE);
1404
1405         g_hash_table_iter_init(&iter, device->networks);
1406
1407         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1408                 struct connman_network *network = value;
1409
1410                 if (connman_network_get_connected(network) == TRUE)
1411                         __connman_network_disconnect(network);
1412         }
1413
1414         if (device->driver && device->driver->disconnect)
1415                 device->driver->disconnect(device);
1416
1417         return 0;
1418 }
1419
1420 static void mark_network_unavailable(gpointer key, gpointer value,
1421                                                         gpointer user_data)
1422 {
1423         struct connman_network *network = value;
1424
1425         if (connman_network_get_connected(network) == TRUE)
1426                 return;
1427
1428         connman_network_set_available(network, FALSE);
1429 }
1430
1431 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1432                                                         gpointer user_data)
1433 {
1434         struct connman_network *network = value;
1435
1436         if (connman_network_get_connected(network) == TRUE)
1437                 return FALSE;
1438
1439         if (connman_network_get_available(network) == TRUE)
1440                 return FALSE;
1441
1442         return TRUE;
1443 }
1444
1445 /**
1446  * connman_device_set_scanning:
1447  * @device: device structure
1448  * @scanning: scanning state
1449  *
1450  * Change scanning state of device
1451  */
1452 int connman_device_set_scanning(struct connman_device *device,
1453                                                 connman_bool_t scanning)
1454 {
1455         DBusMessage *signal;
1456         DBusMessageIter entry, value;
1457         const char *key = "Scanning";
1458
1459         DBG("device %p scanning %d", device, scanning);
1460
1461         if (!device->driver || !device->driver->scan)
1462                 return -EINVAL;
1463
1464         if (device->scanning == scanning)
1465                 return -EALREADY;
1466
1467         device->scanning = scanning;
1468
1469         signal = dbus_message_new_signal(device->element.path,
1470                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1471         if (signal == NULL)
1472                 return 0;
1473
1474         dbus_message_iter_init_append(signal, &entry);
1475
1476         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1477
1478         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1479                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1480         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1481         dbus_message_iter_close_container(&entry, &value);
1482
1483         g_dbus_send_message(connection, signal);
1484
1485         if (scanning == TRUE) {
1486                 if (device->scan_timeout > 0) {
1487                         g_source_remove(device->scan_timeout);
1488                         device->scan_timeout = 0;
1489                 }
1490
1491                 if (device->scan_interval > 0) {
1492                         guint interval = device->scan_interval;
1493                         device->scan_timeout = g_timeout_add_seconds(interval,
1494                                                 device_scan_trigger, device);
1495                 }
1496
1497                 g_hash_table_foreach(device->networks,
1498                                         mark_network_unavailable, NULL);
1499                 return 0;
1500         }
1501
1502         g_hash_table_foreach_remove(device->networks,
1503                                         remove_unavailable_network, NULL);
1504
1505         if (device->connections > 0)
1506                 return 0;
1507
1508         if (device->disconnected == TRUE)
1509                 return 0;
1510
1511         return 0;
1512 }
1513
1514 /**
1515  * connman_device_set_disconnected:
1516  * @device: device structure
1517  * @disconnected: disconnected state
1518  *
1519  * Change disconnected state of device (only for device with networks)
1520  */
1521 int connman_device_set_disconnected(struct connman_device *device,
1522                                                 connman_bool_t disconnected)
1523 {
1524         DBG("device %p disconnected %d", device, disconnected);
1525
1526         switch (device->mode) {
1527         case CONNMAN_DEVICE_MODE_UNKNOWN:
1528         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1529                 return -EINVAL;
1530         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1531         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1532                 break;
1533         }
1534
1535         if (device->disconnected == disconnected)
1536                 return -EALREADY;
1537
1538         device->disconnected = disconnected;
1539
1540         return 0;
1541 }
1542
1543 /**
1544  * connman_device_get_disconnected:
1545  * @device: device structure
1546  *
1547  * Get device disconnected state
1548  */
1549 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1550 {
1551         return device->disconnected;
1552 }
1553
1554 /**
1555  * connman_device_set_connected:
1556  * @device: device structure
1557  * @connected: connected state
1558  *
1559  * Change connected state of device (for Ethernet like devices)
1560  */
1561 int connman_device_set_connected(struct connman_device *device,
1562                                                 connman_bool_t connected)
1563 {
1564         DBG("device %p connected %d", device, connected);
1565
1566         switch (device->mode) {
1567         case CONNMAN_DEVICE_MODE_UNKNOWN:
1568         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1569         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1570                 return -EINVAL;
1571         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1572                 break;
1573         }
1574
1575         if (device->carrier == FALSE)
1576                 return -ENOTCONN;
1577
1578         return set_connected(device, connected);
1579 }
1580
1581 /**
1582  * connman_device_set_string:
1583  * @device: device structure
1584  * @key: unique identifier
1585  * @value: string value
1586  *
1587  * Set string value for specific key
1588  */
1589 int connman_device_set_string(struct connman_device *device,
1590                                         const char *key, const char *value)
1591 {
1592         DBG("device %p key %s value %s", device, key, value);
1593
1594         if (g_str_equal(key, "Address") == TRUE) {
1595                 g_free(device->address);
1596                 device->address = g_strdup(value);
1597         } else if (g_str_equal(key, "Name") == TRUE) {
1598                 g_free(device->name);
1599                 device->name = g_strdup(value);
1600         } else if (g_str_equal(key, "Node") == TRUE) {
1601                 g_free(device->node);
1602                 device->node = g_strdup(value);
1603         }
1604
1605         return connman_element_set_string(&device->element, key, value);
1606 }
1607
1608 /**
1609  * connman_device_get_string:
1610  * @device: device structure
1611  * @key: unique identifier
1612  *
1613  * Get string value for specific key
1614  */
1615 const char *connman_device_get_string(struct connman_device *device,
1616                                                         const char *key)
1617 {
1618         DBG("device %p key %s", device, key);
1619
1620         if (g_str_equal(key, "Address") == TRUE)
1621                 return device->address;
1622         else if (g_str_equal(key, "Name") == TRUE)
1623                 return device->name;
1624         else if (g_str_equal(key, "Node") == TRUE)
1625                 return device->node;
1626
1627         return connman_element_get_string(&device->element, key);
1628 }
1629
1630 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1631 {
1632         struct connman_device *device = element->device;
1633         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1634         connman_bool_t powered;
1635
1636         DBG("element %p name %s", element, element->name);
1637
1638         if (device == NULL)
1639                 return;
1640
1641         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1642
1643         if (device->powered == powered)
1644                 return;
1645
1646         set_powered(device, powered);
1647 }
1648
1649 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1650 {
1651         DBG("offlinmode %d", offlinemode);
1652
1653         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1654                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1655
1656         __connman_notifier_offline_mode(offlinemode);
1657
1658         return 0;
1659 }
1660
1661 void __connman_device_increase_connections(struct connman_device *device)
1662 {
1663         device->connections++;
1664 }
1665
1666 void __connman_device_decrease_connections(struct connman_device *device)
1667 {
1668         device->connections--;
1669 }
1670
1671 /**
1672  * connman_device_add_network:
1673  * @device: device structure
1674  * @network: network structure
1675  *
1676  * Add new network to the device
1677  */
1678 int connman_device_add_network(struct connman_device *device,
1679                                         struct connman_network *network)
1680 {
1681         const char *identifier = connman_network_get_identifier(network);
1682         int err;
1683
1684         DBG("device %p network %p", device, network);
1685
1686         switch (device->mode) {
1687         case CONNMAN_DEVICE_MODE_UNKNOWN:
1688         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1689                 return -EINVAL;
1690         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1691         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1692                 break;
1693         }
1694
1695         __connman_network_set_device(network, device);
1696
1697         __connman_storage_load_network(network);
1698
1699         err = connman_element_register((struct connman_element *) network,
1700                                                         &device->element);
1701         if (err < 0) {
1702                 __connman_network_set_device(network, NULL);
1703                 return err;
1704         }
1705
1706         g_hash_table_insert(device->networks, g_strdup(identifier),
1707                                                                 network);
1708
1709         return 0;
1710 }
1711
1712 /**
1713  * connman_device_get_network:
1714  * @device: device structure
1715  * @identifier: network identifier
1716  *
1717  * Get network for given identifier
1718  */
1719 struct connman_network *connman_device_get_network(struct connman_device *device,
1720                                                         const char *identifier)
1721 {
1722         DBG("device %p identifier %s", device, identifier);
1723
1724         return g_hash_table_lookup(device->networks, identifier);
1725 }
1726
1727 /**
1728  * connman_device_remove_network:
1729  * @device: device structure
1730  * @identifier: network identifier
1731  *
1732  * Remove network for given identifier
1733  */
1734 int connman_device_remove_network(struct connman_device *device,
1735                                                         const char *identifier)
1736 {
1737         DBG("device %p identifier %s", device, identifier);
1738
1739         g_hash_table_remove(device->networks, identifier);
1740
1741         return 0;
1742 }
1743
1744 void __connman_device_set_network(struct connman_device *device,
1745                                         struct connman_network *network)
1746 {
1747         const char *name;
1748
1749         if (device->network == network)
1750                 return;
1751
1752         if (device->network != NULL)
1753                 connman_network_unref(device->network);
1754
1755         if (network != NULL) {
1756                 name = connman_network_get_string(network,
1757                                                 CONNMAN_PROPERTY_ID_NAME);
1758                 g_free(device->last_network);
1759                 device->last_network = g_strdup(name);
1760
1761                 device->network = connman_network_ref(network);
1762         } else {
1763                 g_free(device->last_network);
1764                 device->last_network = NULL;
1765
1766                 device->network = NULL;
1767         }
1768 }
1769
1770 /**
1771  * connman_device_register:
1772  * @device: device structure
1773  *
1774  * Register device with the system
1775  */
1776 int connman_device_register(struct connman_device *device)
1777 {
1778         __connman_storage_load_device(device);
1779
1780         switch (device->mode) {
1781         case CONNMAN_DEVICE_MODE_UNKNOWN:
1782         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1783                 break;
1784         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1785         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1786                 __connman_storage_init_network(device);
1787                 break;
1788         }
1789
1790         return connman_element_register(&device->element, NULL);
1791 }
1792
1793 /**
1794  * connman_device_unregister:
1795  * @device: device structure
1796  *
1797  * Unregister device with the system
1798  */
1799 void connman_device_unregister(struct connman_device *device)
1800 {
1801         __connman_storage_save_device(device);
1802
1803         connman_element_unregister(&device->element);
1804 }
1805
1806 /**
1807  * connman_device_get_data:
1808  * @device: device structure
1809  *
1810  * Get private device data pointer
1811  */
1812 void *connman_device_get_data(struct connman_device *device)
1813 {
1814         return device->driver_data;
1815 }
1816
1817 /**
1818  * connman_device_set_data:
1819  * @device: device structure
1820  * @data: data pointer
1821  *
1822  * Set private device data pointer
1823  */
1824 void connman_device_set_data(struct connman_device *device, void *data)
1825 {
1826         device->driver_data = data;
1827 }
1828
1829 static gboolean match_driver(struct connman_device *device,
1830                                         struct connman_device_driver *driver)
1831 {
1832         if (device->type == driver->type ||
1833                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1834                 return TRUE;
1835
1836         return FALSE;
1837 }
1838
1839 static int device_probe(struct connman_element *element)
1840 {
1841         struct connman_device *device = element->device;
1842         GSList *list;
1843
1844         DBG("element %p name %s", element, element->name);
1845
1846         if (device == NULL)
1847                 return -ENODEV;
1848
1849         if (device->driver != NULL)
1850                 return -EALREADY;
1851
1852         for (list = driver_list; list; list = list->next) {
1853                 struct connman_device_driver *driver = list->data;
1854
1855                 if (match_driver(device, driver) == FALSE)
1856                         continue;
1857
1858                 DBG("driver %p name %s", driver, driver->name);
1859
1860                 if (driver->probe(device) == 0) {
1861                         device->driver = driver;
1862                         break;
1863                 }
1864         }
1865
1866         if (device->driver == NULL)
1867                 return -ENODEV;
1868
1869         return setup_device(device);
1870 }
1871
1872 static void device_remove(struct connman_element *element)
1873 {
1874         struct connman_device *device = element->device;
1875
1876         DBG("element %p name %s", element, element->name);
1877
1878         if (device == NULL)
1879                 return;
1880
1881         if (device->driver == NULL)
1882                 return;
1883
1884         remove_device(device);
1885 }
1886
1887 static struct connman_driver device_driver = {
1888         .name           = "device",
1889         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1890         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1891         .probe          = device_probe,
1892         .remove         = device_remove,
1893 };
1894
1895 static int device_load(struct connman_device *device)
1896 {
1897         GKeyFile *keyfile;
1898         gchar *pathname, *identifier, *data = NULL;
1899         gsize length;
1900         int val;
1901
1902         DBG("device %p", device);
1903
1904         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1905                                         __connman_profile_active_ident());
1906         if (pathname == NULL)
1907                 return -ENOMEM;
1908
1909         keyfile = g_key_file_new();
1910
1911         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1912                 g_free(pathname);
1913                 return -ENOENT;
1914         }
1915
1916         g_free(pathname);
1917
1918         if (g_key_file_load_from_data(keyfile, data, length,
1919                                                         0, NULL) == FALSE) {
1920                 g_free(data);
1921                 return -EILSEQ;
1922         }
1923
1924         g_free(data);
1925
1926         identifier = g_strdup_printf("device_%s", device->element.name);
1927         if (identifier == NULL)
1928                 goto done;
1929
1930         switch (device->mode) {
1931         case CONNMAN_DEVICE_MODE_UNKNOWN:
1932         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1933                 break;
1934         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1935         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1936                 val = g_key_file_get_integer(keyfile, identifier,
1937                                                         "ScanInterval", NULL);
1938                 if (val > 0)
1939                         device->scan_interval = val;
1940                 break;
1941         }
1942
1943 done:
1944         g_key_file_free(keyfile);
1945
1946         g_free(identifier);
1947
1948         return 0;
1949 }
1950
1951 static int device_save(struct connman_device *device)
1952 {
1953         GKeyFile *keyfile;
1954         gchar *pathname, *identifier = NULL, *data = NULL;
1955         gsize length;
1956
1957         DBG("device %p", device);
1958
1959         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1960                                         __connman_profile_active_ident());
1961         if (pathname == NULL)
1962                 return -ENOMEM;
1963
1964         keyfile = g_key_file_new();
1965
1966         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1967                 goto update;
1968
1969         if (length > 0) {
1970                 if (g_key_file_load_from_data(keyfile, data, length,
1971                                                         0, NULL) == FALSE)
1972                         goto done;
1973         }
1974
1975         g_free(data);
1976
1977 update:
1978         identifier = g_strdup_printf("device_%s", device->element.name);
1979         if (identifier == NULL)
1980                 goto done;
1981
1982         switch (device->mode) {
1983         case CONNMAN_DEVICE_MODE_UNKNOWN:
1984         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1985                 break;
1986         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1987         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1988                 if (device->scan_interval > 0)
1989                         g_key_file_set_integer(keyfile, identifier,
1990                                         "ScanInterval", device->scan_interval);
1991                 break;
1992         }
1993
1994         data = g_key_file_to_data(keyfile, &length, NULL);
1995
1996         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1997                 connman_error("Failed to store device information");
1998
1999 done:
2000         g_free(data);
2001
2002         g_key_file_free(keyfile);
2003
2004         g_free(identifier);
2005         g_free(pathname);
2006
2007         return 0;
2008 }
2009
2010 static struct connman_storage device_storage = {
2011         .name           = "device",
2012         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
2013         .device_load    = device_load,
2014         .device_save    = device_save,
2015 };
2016
2017 int __connman_device_init(void)
2018 {
2019         DBG("");
2020
2021         connection = connman_dbus_get_connection();
2022
2023         if (connman_storage_register(&device_storage) < 0)
2024                 connman_error("Failed to register device storage");
2025
2026         return connman_driver_register(&device_driver);
2027 }
2028
2029 void __connman_device_cleanup(void)
2030 {
2031         DBG("");
2032
2033         connman_driver_unregister(&device_driver);
2034
2035         connman_storage_unregister(&device_storage);
2036
2037         dbus_connection_unref(connection);
2038 }