src/device.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static DBusConnection *connection = NULL;
  34
  35 struct connman_device {
  36         struct connman_element element;
  37         enum connman_device_type type;
  38         enum connman_device_mode mode;
  39         connman_bool_t secondary;
  40         connman_bool_t powered;
  41         connman_bool_t carrier;
  42         connman_bool_t scanning;
  43         connman_bool_t disconnected;
  44         connman_uint16_t scan_interval;
  45         char *name;
  46         char *node;
  47         char *address;
  48         char *interface;
  49         char *ident;
  50         unsigned int connections;
  51         guint scan_timeout;
  52         struct connman_ipconfig *ipconfig;
  53
  54         struct connman_device_driver *driver;
  55         void *driver_data;
  56
  57         connman_bool_t registered;
  58
  59         char *last_network;
  60         struct connman_network *network;
  61         GHashTable *networks;
  62
  63         DBusMessage *pending;
  64         guint timeout;
  65 };
  66
  67 static gboolean device_scan_trigger(gpointer user_data)
  68 {
  69         struct connman_device *device = user_data;
  70
  71         DBG("device %p", device);
  72
  73         if (device->driver == NULL) {
  74                 device->scan_timeout = 0;
  75                 return FALSE;
  76         }
  77
  78         if (device->driver->scan)
  79                 device->driver->scan(device);
  80
  81         return TRUE;
  82 }
  83
  84 static const char *type2description(enum connman_device_type type)
  85 {
  86         switch (type) {
  87         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  88         case CONNMAN_DEVICE_TYPE_VENDOR:
  89                 break;
  90         case CONNMAN_DEVICE_TYPE_ETHERNET:
  91                 return "Ethernet";
  92         case CONNMAN_DEVICE_TYPE_WIFI:
  93                 return "Wireless";
  94         case CONNMAN_DEVICE_TYPE_WIMAX:
  95                 return "WiMAX";
  96         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  97                 return "Bluetooth";
  98         case CONNMAN_DEVICE_TYPE_GPS:
  99                 return "GPS";
 100         case CONNMAN_DEVICE_TYPE_HSO:
 101         case CONNMAN_DEVICE_TYPE_NOZOMI:
 102         case CONNMAN_DEVICE_TYPE_HUAWEI:
 103         case CONNMAN_DEVICE_TYPE_NOVATEL:
 104                 return "Cellular";
 105         }
 106
 107         return NULL;
 108 }
 109
 110 static const char *type2string(enum connman_device_type type)
 111 {
 112         switch (type) {
 113         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 114         case CONNMAN_DEVICE_TYPE_VENDOR:
 115                 break;
 116         case CONNMAN_DEVICE_TYPE_ETHERNET:
 117                 return "ethernet";
 118         case CONNMAN_DEVICE_TYPE_WIFI:
 119                 return "wifi";
 120         case CONNMAN_DEVICE_TYPE_WIMAX:
 121                 return "wimax";
 122         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 123                 return "bluetooth";
 124         case CONNMAN_DEVICE_TYPE_GPS:
 125                 return "gps";
 126         case CONNMAN_DEVICE_TYPE_HSO:
 127         case CONNMAN_DEVICE_TYPE_HUAWEI:
 128         case CONNMAN_DEVICE_TYPE_NOZOMI:
 129         case CONNMAN_DEVICE_TYPE_NOVATEL:
 130                 return "cellular";
 131         }
 132
 133         return NULL;
 134 }
 135
 136 static int set_connected(struct connman_device *device,
 137                                                 connman_bool_t connected)
 138 {
 139         if (connected == TRUE) {
 140                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 141                 struct connman_element *element;
 142
 143                 device->disconnected = TRUE;
 144
 145                 switch (device->element.ipv4.method) {
 146                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 147                 case CONNMAN_IPCONFIG_METHOD_OFF:
 148                         return 0;
 149                 case CONNMAN_IPCONFIG_METHOD_STATIC:
 150                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 151                         break;
 152                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 153                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 154                         break;
 155                 }
 156
 157                 element = connman_element_create(NULL);
 158                 if (element != NULL) {
 159                         struct connman_service *service;
 160
 161                         element->type  = type;
 162                         element->index = device->element.index;
 163
 164                         if (connman_element_register(element,
 165                                                         &device->element) < 0)
 166                                 connman_element_unref(element);
 167
 168                         device->disconnected = FALSE;
 169
 170                         service = __connman_service_lookup_from_device(device);
 171                         __connman_service_indicate_state(service,
 172                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 173                 }
 174         } else {
 175                 connman_element_unregister_children(&device->element);
 176
 177                 device->disconnected = TRUE;
 178         }
 179
 180         return 0;
 181 }
 182
 183 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 184 {
 185         struct connman_service *service;
 186
 187         service = __connman_service_lookup_from_device(device);
 188         __connman_service_set_carrier(service, carrier);
 189
 190         return set_connected(device, carrier);
 191 }
 192
 193 static int set_powered(struct connman_device *device, connman_bool_t powered)
 194 {
 195         struct connman_device_driver *driver = device->driver;
 196         int err;
 197
 198         DBG("device %p powered %d", device, powered);
 199
 200         if (!driver)
 201                 return -EINVAL;
 202
 203         if (powered == TRUE) {
 204                 if (driver->enable) {
 205                         err = driver->enable(device);
 206                         __connman_notifier_device_type_increase(device->type);
 207                 } else
 208                         err = -EINVAL;
 209         } else {
 210                 g_hash_table_remove_all(device->networks);
 211
 212                 set_carrier(device, FALSE);
 213
 214                 if (driver->disable) {
 215                         err = driver->disable(device);
 216                         __connman_notifier_device_type_decrease(device->type);
 217                 } else
 218                         err = -EINVAL;
 219         }
 220
 221         return err;
 222 }
 223
 224 static void append_path(gpointer key, gpointer value, gpointer user_data)
 225 {
 226         struct connman_element *element = value;
 227         DBusMessageIter *iter = user_data;
 228
 229         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 230                                                         &element->path);
 231 }
 232
 233 static void append_networks(struct connman_device *device,
 234                                                 DBusMessageIter *entry)
 235 {
 236         DBusMessageIter value, iter;
 237         const char *key = "Networks";
 238
 239         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 240
 241         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 242                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 243                                                                 &value);
 244
 245         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 246                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 247         g_hash_table_foreach(device->networks, append_path, &iter);
 248         dbus_message_iter_close_container(&value, &iter);
 249
 250         dbus_message_iter_close_container(entry, &value);
 251 }
 252
 253 static DBusMessage *get_properties(DBusConnection *conn,
 254                                         DBusMessage *msg, void *data)
 255 {
 256         struct connman_device *device = data;
 257         DBusMessage *reply;
 258         DBusMessageIter array, dict, entry;
 259         const char *str;
 260
 261         DBG("conn %p", conn);
 262
 263         if (__connman_security_check_privilege(msg,
 264                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 265                 return __connman_error_permission_denied(msg);
 266
 267         reply = dbus_message_new_method_return(msg);
 268         if (reply == NULL)
 269                 return NULL;
 270
 271         dbus_message_iter_init_append(reply, &array);
 272
 273         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 274                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 275                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 276                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 277
 278         if (device->name != NULL)
 279                 connman_dbus_dict_append_variant(&dict, "Name",
 280                                         DBUS_TYPE_STRING, &device->name);
 281
 282         str = type2string(device->type);
 283         if (str != NULL)
 284                 connman_dbus_dict_append_variant(&dict, "Type",
 285                                                 DBUS_TYPE_STRING, &str);
 286
 287         if (device->address != NULL)
 288                 connman_dbus_dict_append_variant(&dict, "Address",
 289                                         DBUS_TYPE_STRING, &device->address);
 290
 291         if (device->interface != NULL)
 292                 connman_dbus_dict_append_variant(&dict, "Interface",
 293                                         DBUS_TYPE_STRING, &device->interface);
 294
 295         connman_dbus_dict_append_variant(&dict, "Powered",
 296                                         DBUS_TYPE_BOOLEAN, &device->powered);
 297
 298         if (device->driver && device->driver->scan)
 299                 connman_dbus_dict_append_variant(&dict, "Scanning",
 300                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 301
 302         switch (device->mode) {
 303         case CONNMAN_DEVICE_MODE_UNKNOWN:
 304                 break;
 305         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 306                 __connman_element_append_ipv4(&device->element, &dict);
 307                 break;
 308         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 309         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 310                 if (device->scan_interval > 0)
 311                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 312                                 DBUS_TYPE_UINT16, &device->scan_interval);
 313
 314                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 315                                                                 NULL, &entry);
 316                 append_networks(device, &entry);
 317                 dbus_message_iter_close_container(&dict, &entry);
 318                 break;
 319         }
 320
 321         dbus_message_iter_close_container(&array, &dict);
 322
 323         return reply;
 324 }
 325
 326 static gboolean powered_timeout(gpointer user_data)
 327 {
 328         struct connman_device *device = user_data;
 329
 330         DBG("device %p", device);
 331
 332         device->timeout = 0;
 333
 334         if (device->pending != NULL) {
 335                 DBusMessage *reply;
 336
 337                 reply = __connman_error_operation_timeout(device->pending);
 338                 if (reply != NULL)
 339                         g_dbus_send_message(connection, reply);
 340
 341                 dbus_message_unref(device->pending);
 342                 device->pending = NULL;
 343         }
 344
 345         return FALSE;
 346 }
 347
 348 static DBusMessage *set_property(DBusConnection *conn,
 349                                         DBusMessage *msg, void *data)
 350 {
 351         struct connman_device *device = data;
 352         DBusMessageIter iter, value;
 353         const char *name;
 354         int type;
 355
 356         DBG("conn %p", conn);
 357
 358         if (dbus_message_iter_init(msg, &iter) == FALSE)
 359                 return __connman_error_invalid_arguments(msg);
 360
 361         dbus_message_iter_get_basic(&iter, &name);
 362         dbus_message_iter_next(&iter);
 363         dbus_message_iter_recurse(&iter, &value);
 364
 365         if (__connman_security_check_privilege(msg,
 366                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 367                 return __connman_error_permission_denied(msg);
 368
 369         type = dbus_message_iter_get_arg_type(&value);
 370
 371         if (g_str_equal(name, "Powered") == TRUE) {
 372                 connman_bool_t powered;
 373                 int err;
 374
 375                 if (type != DBUS_TYPE_BOOLEAN)
 376                         return __connman_error_invalid_arguments(msg);
 377
 378                 dbus_message_iter_get_basic(&value, &powered);
 379
 380                 if (device->powered == powered)
 381                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 382
 383                 if (device->pending != NULL)
 384                         return __connman_error_in_progress(msg);
 385
 386                 err = set_powered(device, powered);
 387                 if (err < 0) {
 388                         if (err != -EINPROGRESS)
 389                                 return __connman_error_failed(msg, -err);
 390
 391                         device->pending = dbus_message_ref(msg);
 392
 393                         device->timeout = g_timeout_add_seconds(15,
 394                                                 powered_timeout, device);
 395
 396                         return NULL;
 397                 }
 398         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 399                 connman_uint16_t interval;
 400
 401                 switch (device->mode) {
 402                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 403                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 404                         return __connman_error_invalid_arguments(msg);
 405                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 406                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 407                         break;
 408                 }
 409
 410                 if (type != DBUS_TYPE_UINT16)
 411                         return __connman_error_invalid_arguments(msg);
 412
 413                 dbus_message_iter_get_basic(&value, &interval);
 414
 415                 device->scan_interval = interval;
 416
 417                 if (device->scan_timeout > 0) {
 418                         g_source_remove(device->scan_timeout);
 419                         device->scan_timeout = 0;
 420                 }
 421
 422                 if (device->scan_interval > 0) {
 423                         guint interval = device->scan_interval;
 424                         device->scan_timeout = g_timeout_add_seconds(interval,
 425                                                 device_scan_trigger, device);
 426                 }
 427         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 428                 int err;
 429
 430                 switch (device->mode) {
 431                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 432                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 433                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 434                         return __connman_error_invalid_arguments(msg);
 435                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 436                         break;
 437                 }
 438
 439                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 440                                                         name + 5, &value);
 441                 if (err < 0)
 442                         return __connman_error_failed(msg, -err);
 443         } else
 444                 return __connman_error_invalid_property(msg);
 445
 446         __connman_storage_save_device(device);
 447
 448         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 449 }
 450
 451 static char *build_group(const unsigned char *ssid, unsigned int ssid_len,
 452                                         const char *mode, const char *security)
 453 {
 454         GString *str;
 455         unsigned int i;
 456
 457         str = g_string_sized_new((ssid_len * 2) + 24);
 458         if (str == NULL)
 459                 return NULL;
 460
 461         if (ssid_len > 0 && ssid[0] != '\0') {
 462                 for (i = 0; i < ssid_len; i++)
 463                         g_string_append_printf(str, "%02x", ssid[i]);
 464         }
 465
 466         g_string_append_printf(str, "_%s_%s", mode, security);
 467
 468         return g_string_free(str, FALSE);
 469 }
 470
 471 static char *build_network_name(const char *ssid, char *name,
 472                                                 unsigned int ssid_len)
 473 {
 474         unsigned int i;
 475         char *d = name;
 476
 477         for (i = 0; i < ssid_len; i++)
 478                 if (g_ascii_isprint(ssid[i]))
 479                         *d++ = ssid[i];
 480
 481         *d = '\0';
 482         return name;
 483 }
 484
 485 static DBusMessage *join_network(DBusConnection *conn,
 486                                         DBusMessage *msg, void *data)
 487 {
 488         struct connman_device *device = data;
 489         struct connman_network *network;
 490         enum connman_network_type type;
 491         unsigned int ssid_size;
 492         const char *group, *mode, *security;
 493         const void *ssid;
 494         DBusMessageIter iter, array;
 495         int err, index;
 496
 497         DBG("conn %p", conn);
 498
 499         if (__connman_security_check_privilege(msg,
 500                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 501                 return __connman_error_permission_denied(msg);
 502
 503         if (!device->driver || !device->driver->join)
 504                 return __connman_error_not_supported(msg);
 505
 506         dbus_message_iter_init(msg, &iter);
 507         dbus_message_iter_recurse(&iter, &array);
 508
 509         switch (device->type) {
 510         case CONNMAN_DEVICE_TYPE_WIFI:
 511                 type = CONNMAN_NETWORK_TYPE_WIFI;
 512                 break;
 513         default:
 514                 return __connman_error_not_supported(msg);
 515         }
 516
 517         network = connman_network_create("00_00_00_00_00_00", type);
 518         if (network == NULL)
 519                 return __connman_error_failed(msg, ENOMEM);
 520
 521         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 522                 DBusMessageIter entry, value;
 523                 const char *key, *str;
 524
 525                 dbus_message_iter_recurse(&array, &entry);
 526                 dbus_message_iter_get_basic(&entry, &key);
 527
 528                 dbus_message_iter_next(&entry);
 529                 dbus_message_iter_recurse(&entry, &value);
 530
 531                 switch (dbus_message_iter_get_arg_type(&value)) {
 532                 case DBUS_TYPE_STRING:
 533                         dbus_message_iter_get_basic(&value, &str);
 534                         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 535                                 char *name;
 536
 537                                 connman_network_set_blob(network, key,
 538                                                         str, strlen(str));
 539                                 name = g_try_malloc0(strlen(str) + 1);
 540                                 if (name == NULL)
 541                                         return __connman_error_failed(msg,
 542                                                                       -ENOMEM);
 543
 544                                 name = build_network_name((char *) str, name,
 545                                                                   strlen(str));
 546                                 connman_network_set_name(network, name);
 547                                 g_free(name);
 548
 549                         } else
 550                                 connman_network_set_string(network, key, str);
 551                         break;
 552                 }
 553
 554                 dbus_message_iter_next(&array);
 555         }
 556
 557         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_size);
 558         mode = connman_network_get_string(network, "WiFi.Mode");
 559         security = connman_network_get_string(network, "WiFi.Security");
 560         group = build_group(ssid, ssid_size, mode, security);
 561
 562         connman_network_set_group(network, group);
 563
 564         index = connman_device_get_index(device);
 565         connman_network_set_index(network, index);
 566
 567         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 568
 569         err = device->driver->join(device, network);
 570
 571         connman_network_unref(network);
 572
 573         if (err < 0)
 574                 return __connman_error_failed(msg, -err);
 575
 576         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 577 }
 578
 579 static DBusMessage *create_network(DBusConnection *conn,
 580                                         DBusMessage *msg, void *data)
 581 {
 582         DBG("conn %p", conn);
 583
 584         if (__connman_security_check_privilege(msg,
 585                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 586                 return __connman_error_permission_denied(msg);
 587
 588         return __connman_error_invalid_arguments(msg);
 589 }
 590
 591 static DBusMessage *remove_network(DBusConnection *conn,
 592                                         DBusMessage *msg, void *data)
 593 {
 594         DBG("conn %p", conn);
 595
 596         if (__connman_security_check_privilege(msg,
 597                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 598                 return __connman_error_permission_denied(msg);
 599
 600         return __connman_error_invalid_arguments(msg);
 601 }
 602
 603 static DBusMessage *propose_scan(DBusConnection *conn,
 604                                         DBusMessage *msg, void *data)
 605 {
 606         struct connman_device *device = data;
 607         int err;
 608
 609         DBG("conn %p", conn);
 610
 611         switch (device->mode) {
 612         case CONNMAN_DEVICE_MODE_UNKNOWN:
 613         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 614                 return __connman_error_not_supported(msg);
 615         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 616         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 617                 break;
 618         }
 619
 620         if (!device->driver || !device->driver->scan)
 621                 return __connman_error_not_supported(msg);
 622
 623         if (device->powered == FALSE)
 624                 return __connman_error_failed(msg, EINVAL);
 625
 626         err = device->driver->scan(device);
 627         if (err < 0)
 628                 return __connman_error_failed(msg, -err);
 629
 630         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 631 }
 632
 633 static GDBusMethodTable device_methods[] = {
 634         { "GetProperties", "",      "a{sv}", get_properties },
 635         { "SetProperty",   "sv",    "",      set_property,
 636                                                 G_DBUS_METHOD_FLAG_ASYNC },
 637         { "JoinNetwork",   "a{sv}", "",      join_network   },
 638         { "CreateNetwork", "a{sv}", "o",     create_network },
 639         { "RemoveNetwork", "o",     "",      remove_network },
 640         { "ProposeScan",   "",      "",      propose_scan   },
 641         { },
 642 };
 643
 644 static GDBusSignalTable device_signals[] = {
 645         { "PropertyChanged", "sv" },
 646         { },
 647 };
 648
 649 static void append_devices(DBusMessageIter *entry)
 650 {
 651         DBusMessageIter value, iter;
 652         const char *key = "Devices";
 653
 654         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 655
 656         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 657                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 658                                                                 &value);
 659
 660         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 661                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 662         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 663         dbus_message_iter_close_container(&value, &iter);
 664
 665         dbus_message_iter_close_container(entry, &value);
 666 }
 667
 668 static void emit_devices_signal(void)
 669 {
 670         DBusMessage *signal;
 671         DBusMessageIter entry;
 672
 673         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 674                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 675         if (signal == NULL)
 676                 return;
 677
 678         dbus_message_iter_init_append(signal, &entry);
 679
 680         append_devices(&entry);
 681
 682         g_dbus_send_message(connection, signal);
 683 }
 684
 685 static int register_interface(struct connman_element *element)
 686 {
 687         struct connman_device *device = element->device;
 688
 689         DBG("element %p name %s", element, element->name);
 690
 691         if (g_dbus_register_interface(connection, element->path,
 692                                         CONNMAN_DEVICE_INTERFACE,
 693                                         device_methods, device_signals,
 694                                         NULL, device, NULL) == FALSE) {
 695                 connman_error("Failed to register %s device", element->path);
 696                 return -EIO;
 697         }
 698
 699         device->registered = TRUE;
 700
 701         emit_devices_signal();
 702
 703         return 0;
 704 }
 705
 706 static void unregister_interface(struct connman_element *element)
 707 {
 708         struct connman_device *device = element->device;
 709
 710         DBG("element %p name %s", element, element->name);
 711
 712         device->registered = FALSE;
 713
 714         emit_devices_signal();
 715
 716         g_dbus_unregister_interface(connection, element->path,
 717                                                 CONNMAN_DEVICE_INTERFACE);
 718 }
 719
 720 static void device_enable(struct connman_device *device)
 721 {
 722         DBG("device %p", device);
 723
 724         if (device->powered == TRUE)
 725                 return;
 726
 727         if (device->driver->enable) {
 728                 device->driver->enable(device);
 729                 __connman_notifier_device_type_increase(device->type);
 730         }
 731 }
 732
 733 static void device_disable(struct connman_device *device)
 734 {
 735         DBG("device %p", device);
 736
 737         if (device->powered == FALSE)
 738                 return;
 739
 740         g_hash_table_remove_all(device->networks);
 741
 742         if (device->driver->disable) {
 743                 device->driver->disable(device);
 744                 __connman_notifier_device_type_decrease(device->type);
 745         }
 746 }
 747
 748 static int setup_device(struct connman_device *device)
 749 {
 750         int err;
 751
 752         DBG("device %p", device);
 753
 754         err = register_interface(&device->element);
 755         if (err < 0) {
 756                 if (device->driver->remove)
 757                         device->driver->remove(device);
 758                 device->driver = NULL;
 759                 return err;
 760         }
 761
 762         switch (device->mode) {
 763         case CONNMAN_DEVICE_MODE_UNKNOWN:
 764         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 765         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 766                 break;
 767         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 768                 if (device->secondary == FALSE)
 769                         __connman_profile_add_device(device);
 770                 break;
 771         }
 772
 773         device_enable(device);
 774
 775         return 0;
 776 }
 777
 778 static void probe_driver(struct connman_element *element, gpointer user_data)
 779 {
 780         struct connman_device_driver *driver = user_data;
 781
 782         DBG("element %p name %s", element, element->name);
 783
 784         if (element->device == NULL)
 785                 return;
 786
 787         if (element->device->driver != NULL)
 788                 return;
 789
 790         if (driver->type != element->device->type)
 791                 return;
 792
 793         if (driver->probe(element->device) < 0)
 794                 return;
 795
 796         element->device->driver = driver;
 797
 798         setup_device(element->device);
 799 }
 800
 801 static void remove_device(struct connman_device *device)
 802 {
 803         DBG("device %p", device);
 804
 805         device_disable(device);
 806
 807         switch (device->mode) {
 808         case CONNMAN_DEVICE_MODE_UNKNOWN:
 809         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 810         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 811                 break;
 812         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 813                 if (device->secondary == FALSE)
 814                         __connman_profile_remove_device(device);
 815                 break;
 816         }
 817
 818         unregister_interface(&device->element);
 819
 820         if (device->driver->remove)
 821                 device->driver->remove(device);
 822
 823         device->driver = NULL;
 824 }
 825
 826 static void remove_driver(struct connman_element *element, gpointer user_data)
 827 {
 828         struct connman_device_driver *driver = user_data;
 829
 830         DBG("element %p name %s", element, element->name);
 831
 832         if (element->device == NULL)
 833                 return;
 834
 835         if (element->device->driver == driver)
 836                 remove_device(element->device);
 837 }
 838
 839 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 840 {
 841         if (device == NULL || device->driver == NULL)
 842                 return FALSE;
 843
 844         return device->registered;
 845 }
 846
 847 static GSList *driver_list = NULL;
 848
 849 static gint compare_priority(gconstpointer a, gconstpointer b)
 850 {
 851         const struct connman_device_driver *driver1 = a;
 852         const struct connman_device_driver *driver2 = b;
 853
 854         return driver2->priority - driver1->priority;
 855 }
 856
 857 /**
 858  * connman_device_driver_register:
 859  * @driver: device driver definition
 860  *
 861  * Register a new device driver
 862  *
 863  * Returns: %0 on success
 864  */
 865 int connman_device_driver_register(struct connman_device_driver *driver)
 866 {
 867         DBG("driver %p name %s", driver, driver->name);
 868
 869         driver_list = g_slist_insert_sorted(driver_list, driver,
 870                                                         compare_priority);
 871
 872         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 873                                                 probe_driver, driver);
 874
 875         return 0;
 876 }
 877
 878 /**
 879  * connman_device_driver_unregister:
 880  * @driver: device driver definition
 881  *
 882  * Remove a previously registered device driver
 883  */
 884 void connman_device_driver_unregister(struct connman_device_driver *driver)
 885 {
 886         DBG("driver %p name %s", driver, driver->name);
 887
 888         driver_list = g_slist_remove(driver_list, driver);
 889
 890         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 891                                                 remove_driver, driver);
 892 }
 893
 894 static void unregister_network(gpointer data)
 895 {
 896         struct connman_network *network = data;
 897
 898         DBG("network %p", network);
 899
 900         connman_element_unregister((struct connman_element *) network);
 901
 902         connman_network_unref(network);
 903 }
 904
 905 static void device_destruct(struct connman_element *element)
 906 {
 907         struct connman_device *device = element->device;
 908
 909         DBG("element %p name %s", element, element->name);
 910
 911         if (device->timeout > 0) {
 912                 g_source_remove(device->timeout);
 913                 device->timeout = 0;
 914         }
 915
 916         if (device->pending != NULL) {
 917                 dbus_message_unref(device->pending);
 918                 device->pending = NULL;
 919         }
 920
 921         g_free(device->ident);
 922         g_free(device->node);
 923         g_free(device->name);
 924         g_free(device->address);
 925         g_free(device->interface);
 926
 927         connman_ipconfig_unref(device->ipconfig);
 928
 929         g_free(device->last_network);
 930
 931         g_hash_table_destroy(device->networks);
 932         device->networks = NULL;
 933 }
 934
 935 /**
 936  * connman_device_create:
 937  * @node: device node name (for example an address)
 938  * @type: device type
 939  *
 940  * Allocate a new device of given #type and assign the #node name to it.
 941  *
 942  * Returns: a newly-allocated #connman_device structure
 943  */
 944 struct connman_device *connman_device_create(const char *node,
 945                                                 enum connman_device_type type)
 946 {
 947         struct connman_device *device;
 948         const char *str;
 949
 950         DBG("node %s type %d", node, type);
 951
 952         device = g_try_new0(struct connman_device, 1);
 953         if (device == NULL)
 954                 return NULL;
 955
 956         DBG("device %p", device);
 957
 958         __connman_element_initialize(&device->element);
 959
 960         device->element.name = g_strdup(node);
 961         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 962
 963         device->element.device = device;
 964         device->element.destruct = device_destruct;
 965
 966         str = type2string(type);
 967         if (str != NULL)
 968                 connman_element_set_string(&device->element,
 969                                         CONNMAN_PROPERTY_ID_TYPE, str);
 970
 971         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
 972
 973         device->type      = type;
 974         device->name      = g_strdup(type2description(device->type));
 975         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
 976         device->secondary = FALSE;
 977
 978         switch (type) {
 979         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 980         case CONNMAN_DEVICE_TYPE_VENDOR:
 981                 device->scan_interval = 0;
 982                 break;
 983         case CONNMAN_DEVICE_TYPE_ETHERNET:
 984         case CONNMAN_DEVICE_TYPE_WIFI:
 985                 device->scan_interval = 300;
 986                 break;
 987         case CONNMAN_DEVICE_TYPE_WIMAX:
 988                 device->scan_interval = 0;
 989                 break;
 990         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 991                 device->scan_interval = 0;
 992                 break;
 993         case CONNMAN_DEVICE_TYPE_GPS:
 994                 device->scan_interval = 0;
 995                 break;
 996         case CONNMAN_DEVICE_TYPE_HSO:
 997         case CONNMAN_DEVICE_TYPE_NOZOMI:
 998         case CONNMAN_DEVICE_TYPE_HUAWEI:
 999         case CONNMAN_DEVICE_TYPE_NOVATEL:
1000                 device->scan_interval = 0;
1001                 break;
1002         }
1003
1004         device->ipconfig = connman_ipconfig_create();
1005         if (device->ipconfig == NULL) {
1006                 connman_device_unref(device);
1007                 return NULL;
1008         }
1009
1010         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
1011                                                 g_free, unregister_network);
1012
1013         return device;
1014 }
1015
1016 /**
1017  * connman_device_ref:
1018  * @device: device structure
1019  *
1020  * Increase reference counter of device
1021  */
1022 struct connman_device *connman_device_ref(struct connman_device *device)
1023 {
1024         if (connman_element_ref(&device->element) == NULL)
1025                 return NULL;
1026
1027         return device;
1028 }
1029
1030 /**
1031  * connman_device_unref:
1032  * @device: device structure
1033  *
1034  * Decrease reference counter of device
1035  */
1036 void connman_device_unref(struct connman_device *device)
1037 {
1038         connman_element_unref(&device->element);
1039 }
1040
1041 const char *__connman_device_get_type(struct connman_device *device)
1042 {
1043         return type2string(device->type);
1044 }
1045
1046 /**
1047  * connman_device_get_type:
1048  * @device: device structure
1049  *
1050  * Get type of device
1051  */
1052 enum connman_device_type connman_device_get_type(struct connman_device *device)
1053 {
1054         return device->type;
1055 }
1056
1057 /**
1058  * connman_device_get_name:
1059  * @device: device structure
1060  *
1061  * Get unique name of device
1062  */
1063 const char *connman_device_get_name(struct connman_device *device)
1064 {
1065         return device->element.name;
1066 }
1067
1068 /**
1069  * connman_device_get_path:
1070  * @device: device structure
1071  *
1072  * Get path name of device
1073  */
1074 const char *connman_device_get_path(struct connman_device *device)
1075 {
1076         return device->element.path;
1077 }
1078
1079 /**
1080  * connman_device_set_index:
1081  * @device: device structure
1082  * @index: index number
1083  *
1084  * Set index number of device
1085  */
1086 void connman_device_set_index(struct connman_device *device, int index)
1087 {
1088         device->element.index = index;
1089 }
1090
1091 /**
1092  * connman_device_get_index:
1093  * @device: device structure
1094  *
1095  * Get index number of device
1096  */
1097 int connman_device_get_index(struct connman_device *device)
1098 {
1099         return device->element.index;
1100 }
1101
1102 /**
1103  * connman_device_set_interface:
1104  * @device: device structure
1105  * @interface: interface name
1106  *
1107  * Set interface name of device
1108  */
1109 void connman_device_set_interface(struct connman_device *device,
1110                                                         const char *interface)
1111 {
1112         g_free(device->element.devname);
1113         device->element.devname = g_strdup(interface);
1114
1115         g_free(device->interface);
1116         device->interface = g_strdup(interface);
1117
1118         if (device->name == NULL) {
1119                 const char *str = type2description(device->type);
1120                 if (str != NULL && device->interface != NULL)
1121                         device->name = g_strdup_printf("%s (%s)", str,
1122                                                         device->interface);
1123         }
1124 }
1125
1126 /**
1127  * connman_device_get_interface:
1128  * @device: device structure
1129  *
1130  * Get interface name of device
1131  */
1132 const char *connman_device_get_interface(struct connman_device *device)
1133 {
1134         return device->interface;
1135 }
1136
1137 /**
1138  * connman_device_set_ident:
1139  * @device: device structure
1140  * @ident: unique identifier
1141  *
1142  * Set unique identifier of device
1143  */
1144 void connman_device_set_ident(struct connman_device *device,
1145                                                         const char *ident)
1146 {
1147         g_free(device->ident);
1148         device->ident = g_strdup(ident);
1149 }
1150
1151 const char *__connman_device_get_ident(struct connman_device *device)
1152 {
1153         return device->ident;
1154 }
1155
1156 /**
1157  * connman_device_set_mode:
1158  * @device: device structure
1159  * @mode: network mode
1160  *
1161  * Change network mode of device
1162  */
1163 void connman_device_set_mode(struct connman_device *device,
1164                                                 enum connman_device_mode mode)
1165 {
1166         device->mode = mode;
1167 }
1168
1169 /**
1170  * connman_device_get_mode:
1171  * @device: device structure
1172  *
1173  * Get network mode of device
1174  */
1175 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1176 {
1177         return device->mode;
1178 }
1179
1180 /**
1181  * connman_device_set_secondary:
1182  * @device: device structure
1183  * @secondary: secondary value
1184  *
1185  * Change secondary value of device
1186  */
1187 void connman_device_set_secondary(struct connman_device *device,
1188                                                 connman_bool_t secondary)
1189 {
1190         device->secondary = secondary;
1191 }
1192
1193 /**
1194  * connman_device_get_secondary:
1195  * @device: device structure
1196  *
1197  * Get secondary value of device
1198  */
1199 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1200 {
1201         return device->secondary;
1202 }
1203
1204 /**
1205  * connman_device_set_powered:
1206  * @device: device structure
1207  * @powered: powered state
1208  *
1209  * Change power state of device
1210  */
1211 int connman_device_set_powered(struct connman_device *device,
1212                                                 connman_bool_t powered)
1213 {
1214         DBusMessage *signal;
1215         DBusMessageIter entry, value;
1216         const char *key = "Powered";
1217
1218         DBG("driver %p powered %d", device, powered);
1219
1220         if (device->timeout > 0) {
1221                 g_source_remove(device->timeout);
1222                 device->timeout = 0;
1223         }
1224
1225         if (device->pending != NULL) {
1226                 g_dbus_send_reply(connection, device->pending,
1227                                                         DBUS_TYPE_INVALID);
1228
1229                 dbus_message_unref(device->pending);
1230                 device->pending = NULL;
1231         }
1232
1233         if (device->powered == powered)
1234                 return -EALREADY;
1235
1236         device->powered = powered;
1237
1238         if (device->registered == FALSE)
1239                 return 0;
1240
1241         signal = dbus_message_new_signal(device->element.path,
1242                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1243         if (signal == NULL)
1244                 return 0;
1245
1246         dbus_message_iter_init_append(signal, &entry);
1247
1248         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1249
1250         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1251                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1252         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1253         dbus_message_iter_close_container(&entry, &value);
1254
1255         g_dbus_send_message(connection, signal);
1256
1257         if (powered == FALSE)
1258                 return 0;
1259
1260         if (device->scan_timeout > 0) {
1261                 g_source_remove(device->scan_timeout);
1262                 device->scan_timeout = 0;
1263         }
1264
1265         if (device->scan_interval > 0) {
1266                 guint interval = device->scan_interval;
1267                 device->scan_timeout = g_timeout_add_seconds(interval,
1268                                         device_scan_trigger, device);
1269         }
1270
1271         if (device->driver->scan)
1272                 device->driver->scan(device);
1273
1274         return 0;
1275 }
1276
1277 /**
1278  * connman_device_set_carrier:
1279  * @device: device structure
1280  * @carrier: carrier state
1281  *
1282  * Change carrier state of device (only for device without scanning)
1283  */
1284 int connman_device_set_carrier(struct connman_device *device,
1285                                                 connman_bool_t carrier)
1286 {
1287         DBG("device %p carrier %d", device, carrier);
1288
1289         switch (device->mode) {
1290         case CONNMAN_DEVICE_MODE_UNKNOWN:
1291         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1292         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1293                 return -EINVAL;
1294         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1295                 break;
1296         }
1297
1298         if (device->carrier == carrier)
1299                 return -EALREADY;
1300
1301         device->carrier = carrier;
1302
1303         return set_carrier(device, device->carrier);
1304 }
1305
1306 int __connman_device_connect(struct connman_device *device)
1307 {
1308         DBG("device %p", device);
1309
1310         if (device->disconnected == FALSE)
1311                 return -EINVAL;
1312
1313         if (device->driver && device->driver->connect)
1314                 device->driver->connect(device);
1315
1316         return 0;
1317 }
1318
1319 int __connman_device_disconnect(struct connman_device *device)
1320 {
1321         GHashTableIter iter;
1322         gpointer key, value;
1323
1324         DBG("device %p", device);
1325
1326         connman_device_set_disconnected(device, TRUE);
1327
1328         g_hash_table_iter_init(&iter, device->networks);
1329
1330         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1331                 struct connman_network *network = value;
1332
1333                 if (connman_network_get_connected(network) == TRUE)
1334                         __connman_network_disconnect(network);
1335         }
1336
1337         if (device->driver && device->driver->disconnect)
1338                 device->driver->disconnect(device);
1339
1340         return 0;
1341 }
1342
1343 static void connect_known_network(struct connman_device *device)
1344 {
1345         struct connman_network *network = NULL;
1346         GHashTableIter iter;
1347         gpointer key, value;
1348         const char *name;
1349         unsigned int count = 0;
1350
1351         DBG("device %p", device);
1352
1353         g_hash_table_iter_init(&iter, device->networks);
1354
1355         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1356                 connman_uint8_t old_strength, new_strength;
1357
1358                 count++;
1359
1360                 if (connman_network_get_available(value) == FALSE)
1361                         continue;
1362
1363                 name = connman_network_get_string(value,
1364                                                 CONNMAN_PROPERTY_ID_NAME);
1365                 if (name != NULL && device->last_network != NULL) {
1366                         if (g_str_equal(name, device->last_network) == TRUE) {
1367                                 network = value;
1368                                 break;
1369                         }
1370                 }
1371
1372                 if (network == NULL) {
1373                         network = value;
1374                         continue;
1375                 }
1376
1377                 old_strength = connman_network_get_uint8(network,
1378                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1379                 new_strength = connman_network_get_uint8(value,
1380                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1381
1382                 if (new_strength > old_strength)
1383                         network = value;
1384         }
1385
1386         if (network != NULL) {
1387                 int err;
1388
1389                 name = connman_network_get_string(value,
1390                                                 CONNMAN_PROPERTY_ID_NAME);
1391                 if (name != NULL) {
1392                         err = __connman_network_connect(network);
1393                         if (err == 0 || err == -EINPROGRESS)
1394                                 return;
1395                 }
1396         }
1397
1398         if (count > 0)
1399                 return;
1400
1401         if (device->driver && device->driver->scan)
1402                 device->driver->scan(device);
1403 }
1404
1405 static void mark_network_unavailable(gpointer key, gpointer value,
1406                                                         gpointer user_data)
1407 {
1408         struct connman_network *network = value;
1409
1410         if (connman_network_get_connected(network) == TRUE)
1411                 return;
1412
1413         connman_network_set_available(network, FALSE);
1414 }
1415
1416 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1417                                                         gpointer user_data)
1418 {
1419         struct connman_network *network = value;
1420
1421         if (connman_network_get_connected(network) == TRUE)
1422                 return FALSE;
1423
1424         if (connman_network_get_available(network) == TRUE)
1425                 return FALSE;
1426
1427         return TRUE;
1428 }
1429
1430 /**
1431  * connman_device_set_scanning:
1432  * @device: device structure
1433  * @scanning: scanning state
1434  *
1435  * Change scanning state of device
1436  */
1437 int connman_device_set_scanning(struct connman_device *device,
1438                                                 connman_bool_t scanning)
1439 {
1440         DBusMessage *signal;
1441         DBusMessageIter entry, value;
1442         const char *key = "Scanning";
1443
1444         DBG("device %p scanning %d", device, scanning);
1445
1446         if (!device->driver || !device->driver->scan)
1447                 return -EINVAL;
1448
1449         if (device->scanning == scanning)
1450                 return -EALREADY;
1451
1452         device->scanning = scanning;
1453
1454         signal = dbus_message_new_signal(device->element.path,
1455                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1456         if (signal == NULL)
1457                 return 0;
1458
1459         dbus_message_iter_init_append(signal, &entry);
1460
1461         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1462
1463         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1464                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1465         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1466         dbus_message_iter_close_container(&entry, &value);
1467
1468         g_dbus_send_message(connection, signal);
1469
1470         if (scanning == TRUE) {
1471                 if (device->scan_timeout > 0) {
1472                         g_source_remove(device->scan_timeout);
1473                         device->scan_timeout = 0;
1474                 }
1475
1476                 if (device->scan_interval > 0) {
1477                         guint interval = device->scan_interval;
1478                         device->scan_timeout = g_timeout_add_seconds(interval,
1479                                                 device_scan_trigger, device);
1480                 }
1481
1482                 g_hash_table_foreach(device->networks,
1483                                         mark_network_unavailable, NULL);
1484                 return 0;
1485         }
1486
1487         g_hash_table_foreach_remove(device->networks,
1488                                         remove_unavailable_network, NULL);
1489
1490         if (device->connections > 0)
1491                 return 0;
1492
1493         if (device->disconnected == TRUE)
1494                 return 0;
1495
1496         connect_known_network(device);
1497
1498         return 0;
1499 }
1500
1501 /**
1502  * connman_device_set_disconnected:
1503  * @device: device structure
1504  * @disconnected: disconnected state
1505  *
1506  * Change disconnected state of device (only for device with networks)
1507  */
1508 int connman_device_set_disconnected(struct connman_device *device,
1509                                                 connman_bool_t disconnected)
1510 {
1511         DBG("device %p disconnected %d", device, disconnected);
1512
1513         switch (device->mode) {
1514         case CONNMAN_DEVICE_MODE_UNKNOWN:
1515         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1516                 return -EINVAL;
1517         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1518         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1519                 break;
1520         }
1521
1522         if (device->disconnected == disconnected)
1523                 return -EALREADY;
1524
1525         device->disconnected = disconnected;
1526
1527         return 0;
1528 }
1529
1530 /**
1531  * connman_device_set_connected:
1532  * @device: device structure
1533  * @connected: connected state
1534  *
1535  * Change connected state of device (for Ethernet like devices)
1536  */
1537 int connman_device_set_connected(struct connman_device *device,
1538                                                 connman_bool_t connected)
1539 {
1540         DBG("device %p connected %d", device, connected);
1541
1542         switch (device->mode) {
1543         case CONNMAN_DEVICE_MODE_UNKNOWN:
1544         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1545         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1546                 return -EINVAL;
1547         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1548                 break;
1549         }
1550
1551         if (device->carrier == FALSE)
1552                 return -ENOTCONN;
1553
1554         return set_connected(device, connected);
1555 }
1556
1557 /**
1558  * connman_device_set_string:
1559  * @device: device structure
1560  * @key: unique identifier
1561  * @value: string value
1562  *
1563  * Set string value for specific key
1564  */
1565 int connman_device_set_string(struct connman_device *device,
1566                                         const char *key, const char *value)
1567 {
1568         DBG("device %p key %s value %s", device, key, value);
1569
1570         if (g_str_equal(key, "Address") == TRUE) {
1571                 g_free(device->address);
1572                 device->address = g_strdup(value);
1573         } else if (g_str_equal(key, "Name") == TRUE) {
1574                 g_free(device->name);
1575                 device->name = g_strdup(value);
1576         } else if (g_str_equal(key, "Node") == TRUE) {
1577                 g_free(device->node);
1578                 device->node = g_strdup(value);
1579         }
1580
1581         return connman_element_set_string(&device->element, key, value);
1582 }
1583
1584 /**
1585  * connman_device_get_string:
1586  * @device: device structure
1587  * @key: unique identifier
1588  *
1589  * Get string value for specific key
1590  */
1591 const char *connman_device_get_string(struct connman_device *device,
1592                                                         const char *key)
1593 {
1594         DBG("device %p key %s", device, key);
1595
1596         if (g_str_equal(key, "Address") == TRUE)
1597                 return device->address;
1598         else if (g_str_equal(key, "Name") == TRUE)
1599                 return device->name;
1600         else if (g_str_equal(key, "Node") == TRUE)
1601                 return device->node;
1602
1603         return connman_element_get_string(&device->element, key);
1604 }
1605
1606 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1607 {
1608         struct connman_device *device = element->device;
1609         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1610         connman_bool_t powered;
1611
1612         DBG("element %p name %s", element, element->name);
1613
1614         if (device == NULL)
1615                 return;
1616
1617         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1618
1619         if (device->powered == powered)
1620                 return;
1621
1622         set_powered(device, powered);
1623 }
1624
1625 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1626 {
1627         DBG("offlinmode %d", offlinemode);
1628
1629         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1630                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1631
1632         __connman_notifier_offline_mode(offlinemode);
1633
1634         return 0;
1635 }
1636
1637 void __connman_device_increase_connections(struct connman_device *device)
1638 {
1639         device->connections++;
1640 }
1641
1642 void __connman_device_decrease_connections(struct connman_device *device)
1643 {
1644         device->connections--;
1645 }
1646
1647 /**
1648  * connman_device_add_network:
1649  * @device: device structure
1650  * @network: network structure
1651  *
1652  * Add new network to the device
1653  */
1654 int connman_device_add_network(struct connman_device *device,
1655                                         struct connman_network *network)
1656 {
1657         const char *identifier = connman_network_get_identifier(network);
1658         int err;
1659
1660         DBG("device %p network %p", device, network);
1661
1662         switch (device->mode) {
1663         case CONNMAN_DEVICE_MODE_UNKNOWN:
1664         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1665                 return -EINVAL;
1666         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1667         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1668                 break;
1669         }
1670
1671         __connman_network_set_device(network, device);
1672
1673         __connman_storage_load_network(network);
1674
1675         err = connman_element_register((struct connman_element *) network,
1676                                                         &device->element);
1677         if (err < 0) {
1678                 __connman_network_set_device(network, NULL);
1679                 return err;
1680         }
1681
1682         g_hash_table_insert(device->networks, g_strdup(identifier),
1683                                                                 network);
1684
1685         return 0;
1686 }
1687
1688 /**
1689  * connman_device_get_network:
1690  * @device: device structure
1691  * @identifier: network identifier
1692  *
1693  * Get network for given identifier
1694  */
1695 struct connman_network *connman_device_get_network(struct connman_device *device,
1696                                                         const char *identifier)
1697 {
1698         DBG("device %p identifier %s", device, identifier);
1699
1700         return g_hash_table_lookup(device->networks, identifier);
1701 }
1702
1703 /**
1704  * connman_device_remove_network:
1705  * @device: device structure
1706  * @identifier: network identifier
1707  *
1708  * Remove network for given identifier
1709  */
1710 int connman_device_remove_network(struct connman_device *device,
1711                                                         const char *identifier)
1712 {
1713         DBG("device %p identifier %s", device, identifier);
1714
1715         g_hash_table_remove(device->networks, identifier);
1716
1717         return 0;
1718 }
1719
1720 void __connman_device_set_network(struct connman_device *device,
1721                                         struct connman_network *network)
1722 {
1723         const char *name;
1724
1725         if (device->network == network)
1726                 return;
1727
1728         if (device->network != NULL)
1729                 connman_network_unref(device->network);
1730
1731         if (network != NULL) {
1732                 name = connman_network_get_string(network,
1733                                                 CONNMAN_PROPERTY_ID_NAME);
1734                 g_free(device->last_network);
1735                 device->last_network = g_strdup(name);
1736
1737                 device->network = connman_network_ref(network);
1738         } else {
1739                 g_free(device->last_network);
1740                 device->last_network = NULL;
1741
1742                 device->network = NULL;
1743         }
1744 }
1745
1746 /**
1747  * connman_device_register:
1748  * @device: device structure
1749  *
1750  * Register device with the system
1751  */
1752 int connman_device_register(struct connman_device *device)
1753 {
1754         __connman_storage_load_device(device);
1755
1756         switch (device->mode) {
1757         case CONNMAN_DEVICE_MODE_UNKNOWN:
1758         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1759                 break;
1760         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1761         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1762                 __connman_storage_init_network(device);
1763                 break;
1764         }
1765
1766         return connman_element_register(&device->element, NULL);
1767 }
1768
1769 /**
1770  * connman_device_unregister:
1771  * @device: device structure
1772  *
1773  * Unregister device with the system
1774  */
1775 void connman_device_unregister(struct connman_device *device)
1776 {
1777         __connman_storage_save_device(device);
1778
1779         connman_element_unregister(&device->element);
1780 }
1781
1782 /**
1783  * connman_device_get_data:
1784  * @device: device structure
1785  *
1786  * Get private device data pointer
1787  */
1788 void *connman_device_get_data(struct connman_device *device)
1789 {
1790         return device->driver_data;
1791 }
1792
1793 /**
1794  * connman_device_set_data:
1795  * @device: device structure
1796  * @data: data pointer
1797  *
1798  * Set private device data pointer
1799  */
1800 void connman_device_set_data(struct connman_device *device, void *data)
1801 {
1802         device->driver_data = data;
1803 }
1804
1805 static gboolean match_driver(struct connman_device *device,
1806                                         struct connman_device_driver *driver)
1807 {
1808         if (device->type == driver->type ||
1809                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1810                 return TRUE;
1811
1812         return FALSE;
1813 }
1814
1815 static int device_probe(struct connman_element *element)
1816 {
1817         struct connman_device *device = element->device;
1818         GSList *list;
1819
1820         DBG("element %p name %s", element, element->name);
1821
1822         if (device == NULL)
1823                 return -ENODEV;
1824
1825         if (device->driver != NULL)
1826                 return -EALREADY;
1827
1828         for (list = driver_list; list; list = list->next) {
1829                 struct connman_device_driver *driver = list->data;
1830
1831                 if (match_driver(device, driver) == FALSE)
1832                         continue;
1833
1834                 DBG("driver %p name %s", driver, driver->name);
1835
1836                 if (driver->probe(device) == 0) {
1837                         device->driver = driver;
1838                         break;
1839                 }
1840         }
1841
1842         if (device->driver == NULL)
1843                 return -ENODEV;
1844
1845         return setup_device(device);
1846 }
1847
1848 static void device_remove(struct connman_element *element)
1849 {
1850         struct connman_device *device = element->device;
1851
1852         DBG("element %p name %s", element, element->name);
1853
1854         if (device == NULL)
1855                 return;
1856
1857         if (device->driver == NULL)
1858                 return;
1859
1860         remove_device(device);
1861 }
1862
1863 static struct connman_driver device_driver = {
1864         .name           = "device",
1865         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1866         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1867         .probe          = device_probe,
1868         .remove         = device_remove,
1869 };
1870
1871 static int device_load(struct connman_device *device)
1872 {
1873         GKeyFile *keyfile;
1874         gchar *pathname, *identifier, *data = NULL;
1875         gsize length;
1876         int val;
1877
1878         DBG("device %p", device);
1879
1880         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1881                                         __connman_profile_active_ident());
1882         if (pathname == NULL)
1883                 return -ENOMEM;
1884
1885         keyfile = g_key_file_new();
1886
1887         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1888                 g_free(pathname);
1889                 return -ENOENT;
1890         }
1891
1892         g_free(pathname);
1893
1894         if (g_key_file_load_from_data(keyfile, data, length,
1895                                                         0, NULL) == FALSE) {
1896                 g_free(data);
1897                 return -EILSEQ;
1898         }
1899
1900         g_free(data);
1901
1902         identifier = g_strdup_printf("device_%s", device->element.name);
1903         if (identifier == NULL)
1904                 goto done;
1905
1906         switch (device->mode) {
1907         case CONNMAN_DEVICE_MODE_UNKNOWN:
1908         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1909                 break;
1910         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1911         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1912                 val = g_key_file_get_integer(keyfile, identifier,
1913                                                         "ScanInterval", NULL);
1914                 if (val > 0)
1915                         device->scan_interval = val;
1916                 break;
1917         }
1918
1919 done:
1920         g_key_file_free(keyfile);
1921
1922         g_free(identifier);
1923
1924         return 0;
1925 }
1926
1927 static int device_save(struct connman_device *device)
1928 {
1929         GKeyFile *keyfile;
1930         gchar *pathname, *identifier = NULL, *data = NULL;
1931         gsize length;
1932
1933         DBG("device %p", device);
1934
1935         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1936                                         __connman_profile_active_ident());
1937         if (pathname == NULL)
1938                 return -ENOMEM;
1939
1940         keyfile = g_key_file_new();
1941
1942         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1943                 goto update;
1944
1945         if (length > 0) {
1946                 if (g_key_file_load_from_data(keyfile, data, length,
1947                                                         0, NULL) == FALSE)
1948                         goto done;
1949         }
1950
1951         g_free(data);
1952
1953 update:
1954         identifier = g_strdup_printf("device_%s", device->element.name);
1955         if (identifier == NULL)
1956                 goto done;
1957
1958         switch (device->mode) {
1959         case CONNMAN_DEVICE_MODE_UNKNOWN:
1960         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1961                 break;
1962         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1963         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1964                 if (device->scan_interval > 0)
1965                         g_key_file_set_integer(keyfile, identifier,
1966                                         "ScanInterval", device->scan_interval);
1967                 break;
1968         }
1969
1970         data = g_key_file_to_data(keyfile, &length, NULL);
1971
1972         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1973                 connman_error("Failed to store device information");
1974
1975 done:
1976         g_free(data);
1977
1978         g_key_file_free(keyfile);
1979
1980         g_free(identifier);
1981         g_free(pathname);
1982
1983         return 0;
1984 }
1985
1986 static struct connman_storage device_storage = {
1987         .name           = "device",
1988         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1989         .device_load    = device_load,
1990         .device_save    = device_save,
1991 };
1992
1993 int __connman_device_init(void)
1994 {
1995         DBG("");
1996
1997         connection = connman_dbus_get_connection();
1998
1999         if (connman_storage_register(&device_storage) < 0)
2000                 connman_error("Failed to register device storage");
2001
2002         return connman_driver_register(&device_driver);
2003 }
2004
2005 void __connman_device_cleanup(void)
2006 {
2007         DBG("");
2008
2009         connman_driver_unregister(&device_driver);
2010
2011         connman_storage_unregister(&device_storage);
2012
2013         dbus_connection_unref(connection);
2014 }