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