src/device.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static DBusConnection *connection = NULL;
  34
  35 struct connman_device {
  36         struct connman_element element;
  37         enum connman_device_type type;
  38         enum connman_device_mode mode;
  39         connman_bool_t secondary;
  40         connman_bool_t powered;
  41         connman_bool_t carrier;
  42         connman_bool_t scanning;
  43         connman_bool_t disconnected;
  44         connman_uint16_t scan_interval;
  45         char *name;
  46         char *node;
  47         char *address;
  48         char *interface;
  49         char *control;
  50         char *ident;
  51         unsigned int connections;
  52         guint scan_timeout;
  53         struct connman_ipconfig *ipconfig;
  54
  55         struct connman_device_driver *driver;
  56         void *driver_data;
  57
  58         connman_bool_t registered;
  59
  60         char *last_network;
  61         struct connman_network *network;
  62         GHashTable *networks;
  63
  64         DBusMessage *pending;
  65         guint timeout;
  66 };
  67
  68 static gboolean device_scan_trigger(gpointer user_data)
  69 {
  70         struct connman_device *device = user_data;
  71
  72         DBG("device %p", device);
  73
  74         if (device->driver == NULL) {
  75                 device->scan_timeout = 0;
  76                 return FALSE;
  77         }
  78
  79         if (device->driver->scan)
  80                 device->driver->scan(device);
  81
  82         return TRUE;
  83 }
  84
  85 static const char *type2description(enum connman_device_type type)
  86 {
  87         switch (type) {
  88         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  89         case CONNMAN_DEVICE_TYPE_VENDOR:
  90                 break;
  91         case CONNMAN_DEVICE_TYPE_ETHERNET:
  92                 return "Ethernet";
  93         case CONNMAN_DEVICE_TYPE_WIFI:
  94                 return "Wireless";
  95         case CONNMAN_DEVICE_TYPE_WIMAX:
  96                 return "WiMAX";
  97         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  98                 return "Bluetooth";
  99         case CONNMAN_DEVICE_TYPE_GPS:
 100                 return "GPS";
 101         case CONNMAN_DEVICE_TYPE_MBM:
 102         case CONNMAN_DEVICE_TYPE_HSO:
 103         case CONNMAN_DEVICE_TYPE_NOZOMI:
 104         case CONNMAN_DEVICE_TYPE_HUAWEI:
 105         case CONNMAN_DEVICE_TYPE_NOVATEL:
 106                 return "Cellular";
 107         }
 108
 109         return NULL;
 110 }
 111
 112 static const char *type2string(enum connman_device_type type)
 113 {
 114         switch (type) {
 115         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 116         case CONNMAN_DEVICE_TYPE_VENDOR:
 117                 break;
 118         case CONNMAN_DEVICE_TYPE_ETHERNET:
 119                 return "ethernet";
 120         case CONNMAN_DEVICE_TYPE_WIFI:
 121                 return "wifi";
 122         case CONNMAN_DEVICE_TYPE_WIMAX:
 123                 return "wimax";
 124         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 125                 return "bluetooth";
 126         case CONNMAN_DEVICE_TYPE_GPS:
 127                 return "gps";
 128         case CONNMAN_DEVICE_TYPE_MBM:
 129         case CONNMAN_DEVICE_TYPE_HSO:
 130         case CONNMAN_DEVICE_TYPE_HUAWEI:
 131         case CONNMAN_DEVICE_TYPE_NOZOMI:
 132         case CONNMAN_DEVICE_TYPE_NOVATEL:
 133                 return "cellular";
 134         }
 135
 136         return NULL;
 137 }
 138
 139 static int set_connected(struct connman_device *device,
 140                                                 connman_bool_t connected)
 141 {
 142         if (connected == TRUE) {
 143                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 144                 struct connman_element *element;
 145
 146                 device->disconnected = TRUE;
 147
 148                 switch (device->element.ipv4.method) {
 149                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 150                 case CONNMAN_IPCONFIG_METHOD_OFF:
 151                         return 0;
 152                 case CONNMAN_IPCONFIG_METHOD_STATIC:
 153                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 154                         break;
 155                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 156                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 157                         break;
 158                 }
 159
 160                 element = connman_element_create(NULL);
 161                 if (element != NULL) {
 162                         struct connman_service *service;
 163
 164                         element->type  = type;
 165                         element->index = device->element.index;
 166
 167                         if (connman_element_register(element,
 168                                                         &device->element) < 0)
 169                                 connman_element_unref(element);
 170
 171                         device->disconnected = FALSE;
 172
 173                         service = __connman_service_lookup_from_device(device);
 174                         __connman_service_indicate_state(service,
 175                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 176                 }
 177         } else {
 178                 struct connman_service *service;
 179
 180                 connman_element_unregister_children(&device->element);
 181
 182                 device->disconnected = TRUE;
 183
 184                 service = __connman_service_lookup_from_device(device);
 185                 __connman_service_indicate_state(service,
 186                                         CONNMAN_SERVICE_STATE_IDLE);
 187         }
 188
 189         return 0;
 190 }
 191
 192 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 193 {
 194         struct connman_service *service;
 195
 196         if (carrier == TRUE)
 197                 __connman_profile_add_device(device);
 198         else
 199                 __connman_profile_remove_device(device);
 200
 201         service = __connman_service_lookup_from_device(device);
 202         __connman_service_set_carrier(service, carrier);
 203
 204         return set_connected(device, carrier);
 205 }
 206
 207 static int powered_changed(struct connman_device *device)
 208 {
 209         DBusMessage *signal;
 210         DBusMessageIter entry, value;
 211         const char *key = "Powered";
 212
 213         signal = dbus_message_new_signal(device->element.path,
 214                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 215         if (signal == NULL)
 216                 return -ENOMEM;
 217
 218         dbus_message_iter_init_append(signal, &entry);
 219
 220         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 221
 222         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 223                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 224         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
 225                                                         &device->powered);
 226         dbus_message_iter_close_container(&entry, &value);
 227
 228         g_dbus_send_message(connection, signal);
 229
 230         return 0;
 231 }
 232
 233 static int set_powered(struct connman_device *device, connman_bool_t powered)
 234 {
 235         struct connman_device_driver *driver = device->driver;
 236         int err;
 237
 238         DBG("device %p powered %d", device, powered);
 239
 240         if (device->powered == powered)
 241                 return -EALREADY;
 242
 243         if (!driver)
 244                 return -EINVAL;
 245
 246         if (powered == TRUE) {
 247                 if (driver->enable) {
 248                         err = driver->enable(device);
 249                         __connman_notifier_device_type_increase(device->type);
 250                 } else
 251                         err = -EINVAL;
 252         } else {
 253                 g_hash_table_remove_all(device->networks);
 254
 255                 set_carrier(device, FALSE);
 256
 257                 if (driver->disable) {
 258                         err = driver->disable(device);
 259                         __connman_notifier_device_type_decrease(device->type);
 260                 } else
 261                         err = -EINVAL;
 262         }
 263
 264         if (err == 0) {
 265                 device->powered = powered;
 266                 powered_changed(device);
 267         }
 268
 269         return err;
 270 }
 271
 272 static void append_path(gpointer key, gpointer value, gpointer user_data)
 273 {
 274         struct connman_element *element = value;
 275         DBusMessageIter *iter = user_data;
 276
 277         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 278                                                         &element->path);
 279 }
 280
 281 static void append_networks(struct connman_device *device,
 282                                                 DBusMessageIter *entry)
 283 {
 284         DBusMessageIter value, iter;
 285         const char *key = "Networks";
 286
 287         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 288
 289         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 290                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 291                                                                 &value);
 292
 293         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 294                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 295         g_hash_table_foreach(device->networks, append_path, &iter);
 296         dbus_message_iter_close_container(&value, &iter);
 297
 298         dbus_message_iter_close_container(entry, &value);
 299 }
 300
 301 static DBusMessage *get_properties(DBusConnection *conn,
 302                                         DBusMessage *msg, void *data)
 303 {
 304         struct connman_device *device = data;
 305         DBusMessage *reply;
 306         DBusMessageIter array, dict, entry;
 307         const char *str;
 308
 309         DBG("conn %p", conn);
 310
 311         if (__connman_security_check_privilege(msg,
 312                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 313                 return __connman_error_permission_denied(msg);
 314
 315         reply = dbus_message_new_method_return(msg);
 316         if (reply == NULL)
 317                 return NULL;
 318
 319         dbus_message_iter_init_append(reply, &array);
 320
 321         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 322                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 323                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 324                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 325
 326         if (device->name != NULL)
 327                 connman_dbus_dict_append_variant(&dict, "Name",
 328                                         DBUS_TYPE_STRING, &device->name);
 329
 330         str = type2string(device->type);
 331         if (str != NULL)
 332                 connman_dbus_dict_append_variant(&dict, "Type",
 333                                                 DBUS_TYPE_STRING, &str);
 334
 335         if (device->address != NULL)
 336                 connman_dbus_dict_append_variant(&dict, "Address",
 337                                         DBUS_TYPE_STRING, &device->address);
 338
 339         if (device->interface != NULL)
 340                 connman_dbus_dict_append_variant(&dict, "Interface",
 341                                         DBUS_TYPE_STRING, &device->interface);
 342
 343         connman_dbus_dict_append_variant(&dict, "Powered",
 344                                         DBUS_TYPE_BOOLEAN, &device->powered);
 345
 346         if (device->driver && device->driver->scan)
 347                 connman_dbus_dict_append_variant(&dict, "Scanning",
 348                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 349
 350         switch (device->mode) {
 351         case CONNMAN_DEVICE_MODE_UNKNOWN:
 352                 break;
 353         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 354                 __connman_element_append_ipv4(&device->element, &dict);
 355                 break;
 356         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 357         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 358                 if (device->scan_interval > 0)
 359                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 360                                 DBUS_TYPE_UINT16, &device->scan_interval);
 361
 362                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 363                                                                 NULL, &entry);
 364                 append_networks(device, &entry);
 365                 dbus_message_iter_close_container(&dict, &entry);
 366                 break;
 367         }
 368
 369         dbus_message_iter_close_container(&array, &dict);
 370
 371         return reply;
 372 }
 373
 374 static gboolean powered_timeout(gpointer user_data)
 375 {
 376         struct connman_device *device = user_data;
 377
 378         DBG("device %p", device);
 379
 380         device->timeout = 0;
 381
 382         if (device->pending != NULL) {
 383                 DBusMessage *reply;
 384
 385                 reply = __connman_error_operation_timeout(device->pending);
 386                 if (reply != NULL)
 387                         g_dbus_send_message(connection, reply);
 388
 389                 dbus_message_unref(device->pending);
 390                 device->pending = NULL;
 391         }
 392
 393         return FALSE;
 394 }
 395
 396 static DBusMessage *set_property(DBusConnection *conn,
 397                                         DBusMessage *msg, void *data)
 398 {
 399         struct connman_device *device = data;
 400         DBusMessageIter iter, value;
 401         const char *name;
 402         int type;
 403
 404         DBG("conn %p", conn);
 405
 406         if (dbus_message_iter_init(msg, &iter) == FALSE)
 407                 return __connman_error_invalid_arguments(msg);
 408
 409         dbus_message_iter_get_basic(&iter, &name);
 410         dbus_message_iter_next(&iter);
 411         dbus_message_iter_recurse(&iter, &value);
 412
 413         if (__connman_security_check_privilege(msg,
 414                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 415                 return __connman_error_permission_denied(msg);
 416
 417         type = dbus_message_iter_get_arg_type(&value);
 418
 419         if (g_str_equal(name, "Powered") == TRUE) {
 420                 connman_bool_t powered;
 421                 int err;
 422
 423                 if (type != DBUS_TYPE_BOOLEAN)
 424                         return __connman_error_invalid_arguments(msg);
 425
 426                 dbus_message_iter_get_basic(&value, &powered);
 427
 428                 if (device->powered == powered)
 429                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 430
 431                 if (device->pending != NULL)
 432                         return __connman_error_in_progress(msg);
 433
 434                 err = set_powered(device, powered);
 435                 if (err < 0) {
 436                         if (err != -EINPROGRESS)
 437                                 return __connman_error_failed(msg, -err);
 438
 439                         device->pending = dbus_message_ref(msg);
 440
 441                         device->timeout = g_timeout_add_seconds(15,
 442                                                 powered_timeout, device);
 443
 444                         return NULL;
 445                 }
 446         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 447                 connman_uint16_t interval;
 448
 449                 switch (device->mode) {
 450                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 451                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 452                         return __connman_error_invalid_arguments(msg);
 453                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 454                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 455                         break;
 456                 }
 457
 458                 if (type != DBUS_TYPE_UINT16)
 459                         return __connman_error_invalid_arguments(msg);
 460
 461                 dbus_message_iter_get_basic(&value, &interval);
 462
 463                 device->scan_interval = interval;
 464
 465                 if (device->scan_timeout > 0) {
 466                         g_source_remove(device->scan_timeout);
 467                         device->scan_timeout = 0;
 468                 }
 469
 470                 if (device->scan_interval > 0) {
 471                         guint interval = device->scan_interval;
 472                         device->scan_timeout = g_timeout_add_seconds(interval,
 473                                                 device_scan_trigger, device);
 474                 }
 475         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 476                 int err;
 477
 478                 switch (device->mode) {
 479                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 480                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 481                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 482                         return __connman_error_invalid_arguments(msg);
 483                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 484                         break;
 485                 }
 486
 487                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 488                                                         name + 5, &value);
 489                 if (err < 0)
 490                         return __connman_error_failed(msg, -err);
 491         } else
 492                 return __connman_error_invalid_property(msg);
 493
 494         __connman_storage_save_device(device);
 495
 496         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 497 }
 498
 499 static void convert_name(const char *ssid, char *name,
 500                                                 unsigned int ssid_len)
 501 {
 502         unsigned int i;
 503
 504         for (i = 0; i < ssid_len; i++) {
 505                 if (g_ascii_isprint(ssid[i]))
 506                         name[i] = ssid[i];
 507                 else
 508                         name[i] = ' ';
 509         }
 510 }
 511
 512 static struct connman_network *find_network(struct connman_device *device,
 513                                         const void *ssid, const char *address,
 514                                         const char *security, const char *mode)
 515 {
 516         GHashTableIter network_iter;
 517         gpointer key, value;
 518
 519         if (ssid == NULL)
 520                 return NULL;
 521
 522         g_hash_table_iter_init(&network_iter, device->networks);
 523         while (g_hash_table_iter_next(&network_iter, &key, &value) == TRUE) {
 524                 const void *tmp_ssid;
 525                 const char *tmp_security, *tmp_mode, *tmp_address;
 526                 unsigned int tmp_ssid_size;
 527
 528                 tmp_ssid = connman_network_get_blob(value, "WiFi.SSID",
 529                                                         &tmp_ssid_size);
 530                 tmp_security = connman_network_get_string(value,
 531                                                         "WiFi.Security");
 532                 tmp_mode = connman_network_get_string(value, "WiFi.Mode");
 533                 tmp_address = connman_network_get_string(value, "Address");
 534
 535                 if (tmp_ssid_size < 1)
 536                         continue;
 537
 538                 if (tmp_ssid && memcmp(ssid, tmp_ssid, tmp_ssid_size))
 539                         continue;
 540
 541                 if (security && tmp_security &&
 542                                 g_strcmp0(security, tmp_security) != 0)
 543                         continue;
 544
 545                 if (mode && tmp_mode && g_strcmp0(mode, tmp_mode) != 0)
 546                         continue;
 547
 548                 if (address && tmp_address &&
 549                                 g_strcmp0(address, tmp_address) != 0)
 550                         continue;
 551
 552                 return connman_network_ref(value);
 553         }
 554
 555         return NULL;
 556 }
 557
 558 static DBusMessage *join_network(DBusConnection *conn,
 559                                         DBusMessage *msg, void *data)
 560 {
 561         struct connman_device *device = data;
 562         struct connman_network *network, *found_network;
 563         enum connman_network_type type;
 564         unsigned int ssid_size;
 565         const char *group, *mode, *security, *address;
 566         const void *ssid;
 567         DBusMessageIter iter, array;
 568         int err, index;
 569
 570         DBG("conn %p", conn);
 571
 572         if (__connman_security_check_privilege(msg,
 573                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 574                 return __connman_error_permission_denied(msg);
 575
 576         if (!device->driver || !device->driver->join)
 577                 return __connman_error_not_supported(msg);
 578
 579         dbus_message_iter_init(msg, &iter);
 580         dbus_message_iter_recurse(&iter, &array);
 581
 582         switch (device->type) {
 583         case CONNMAN_DEVICE_TYPE_WIFI:
 584                 type = CONNMAN_NETWORK_TYPE_WIFI;
 585                 break;
 586         default:
 587                 return __connman_error_not_supported(msg);
 588         }
 589
 590         network = connman_network_create("00_00_00_00_00_00", type);
 591         if (network == NULL)
 592                 return __connman_error_failed(msg, ENOMEM);
 593
 594         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 595                 DBusMessageIter entry, value;
 596                 const char *key, *str;
 597
 598                 dbus_message_iter_recurse(&array, &entry);
 599                 dbus_message_iter_get_basic(&entry, &key);
 600
 601                 dbus_message_iter_next(&entry);
 602                 dbus_message_iter_recurse(&entry, &value);
 603
 604                 switch (dbus_message_iter_get_arg_type(&value)) {
 605                 case DBUS_TYPE_STRING:
 606                         dbus_message_iter_get_basic(&value, &str);
 607                         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 608                                 char *name;
 609
 610                                 connman_network_set_blob(network, key,
 611                                                         str, strlen(str));
 612                                 name = g_try_malloc0(strlen(str) + 1);
 613                                 if (name == NULL)
 614                                         return __connman_error_failed(msg,
 615                                                                       -ENOMEM);
 616
 617                                 convert_name((char *) str, name, strlen(str));
 618                                 connman_network_set_name(network, name);
 619                                 g_free(name);
 620
 621                         } else
 622                                 connman_network_set_string(network, key, str);
 623                         break;
 624                 }
 625
 626                 dbus_message_iter_next(&array);
 627         }
 628
 629         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_size);
 630         security = connman_network_get_string(network, "WiFi.Security");
 631         mode = connman_network_get_string(network, "WiFi.Mode");
 632         address = connman_network_get_string(network, "Address");
 633
 634         found_network = find_network(device, ssid, address, security, mode);
 635         if (found_network != NULL) {
 636                 const char* passphrase;
 637
 638                 passphrase = connman_network_get_string(network,
 639                                                         "WiFi.Passphrase");
 640                 if (passphrase != NULL)
 641                         connman_network_set_string(found_network,
 642                                                         "WiFi.Passphrase",
 643                                                                 passphrase);
 644                 connman_network_unref(network);
 645                 network = found_network;
 646
 647                 err = __connman_network_connect(found_network);
 648
 649                 connman_network_unref(found_network);
 650
 651                 if (err < 0)
 652                         return __connman_error_failed(msg, -err);
 653
 654                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 655         }
 656
 657         group = connman_wifi_build_group_name(ssid, ssid_size, mode, security);
 658
 659         index = connman_device_get_index(device);
 660         connman_network_set_index(network, index);
 661
 662         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 663
 664         if (connman_device_get_disconnected(device) == FALSE)
 665                 __connman_device_disconnect(device);
 666
 667         err = device->driver->join(device, network);
 668
 669         connman_network_unref(network);
 670
 671         if (err < 0)
 672                 return __connman_error_failed(msg, -err);
 673
 674         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 675 }
 676
 677 static DBusMessage *create_network(DBusConnection *conn,
 678                                         DBusMessage *msg, void *data)
 679 {
 680         DBG("conn %p", conn);
 681
 682         if (__connman_security_check_privilege(msg,
 683                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 684                 return __connman_error_permission_denied(msg);
 685
 686         return __connman_error_invalid_arguments(msg);
 687 }
 688
 689 static DBusMessage *remove_network(DBusConnection *conn,
 690                                         DBusMessage *msg, void *data)
 691 {
 692         DBG("conn %p", conn);
 693
 694         if (__connman_security_check_privilege(msg,
 695                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 696                 return __connman_error_permission_denied(msg);
 697
 698         return __connman_error_invalid_arguments(msg);
 699 }
 700
 701 static DBusMessage *propose_scan(DBusConnection *conn,
 702                                         DBusMessage *msg, void *data)
 703 {
 704         struct connman_device *device = data;
 705         int err;
 706
 707         DBG("conn %p", conn);
 708
 709         switch (device->mode) {
 710         case CONNMAN_DEVICE_MODE_UNKNOWN:
 711         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 712                 return __connman_error_not_supported(msg);
 713         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 714         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 715                 break;
 716         }
 717
 718         err = __connman_device_scan(device);
 719         if (err < 0)
 720                 return __connman_error_failed(msg, -err);
 721
 722         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 723 }
 724
 725 static GDBusMethodTable device_methods[] = {
 726         { "GetProperties", "",      "a{sv}", get_properties },
 727         { "SetProperty",   "sv",    "",      set_property,
 728                                                 G_DBUS_METHOD_FLAG_ASYNC },
 729         { "JoinNetwork",   "a{sv}", "",      join_network   },
 730         { "CreateNetwork", "a{sv}", "o",     create_network },
 731         { "RemoveNetwork", "o",     "",      remove_network },
 732         { "ProposeScan",   "",      "",      propose_scan   },
 733         { },
 734 };
 735
 736 static GDBusSignalTable device_signals[] = {
 737         { "PropertyChanged", "sv" },
 738         { },
 739 };
 740
 741 static void append_devices(DBusMessageIter *entry)
 742 {
 743         DBusMessageIter value, iter;
 744         const char *key = "Devices";
 745
 746         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 747
 748         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 749                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 750                                                                 &value);
 751
 752         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 753                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 754         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 755         dbus_message_iter_close_container(&value, &iter);
 756
 757         dbus_message_iter_close_container(entry, &value);
 758 }
 759
 760 static void emit_devices_signal(void)
 761 {
 762         DBusMessage *signal;
 763         DBusMessageIter entry;
 764
 765         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 766                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 767         if (signal == NULL)
 768                 return;
 769
 770         dbus_message_iter_init_append(signal, &entry);
 771
 772         append_devices(&entry);
 773
 774         g_dbus_send_message(connection, signal);
 775 }
 776
 777 static int register_interface(struct connman_element *element)
 778 {
 779         struct connman_device *device = element->device;
 780
 781         DBG("element %p name %s", element, element->name);
 782
 783         if (g_dbus_register_interface(connection, element->path,
 784                                         CONNMAN_DEVICE_INTERFACE,
 785                                         device_methods, device_signals,
 786                                         NULL, device, NULL) == FALSE) {
 787                 connman_error("Failed to register %s device", element->path);
 788                 return -EIO;
 789         }
 790
 791         device->registered = TRUE;
 792
 793         emit_devices_signal();
 794
 795         return 0;
 796 }
 797
 798 static void unregister_interface(struct connman_element *element)
 799 {
 800         struct connman_device *device = element->device;
 801
 802         DBG("element %p name %s", element, element->name);
 803
 804         device->registered = FALSE;
 805
 806         emit_devices_signal();
 807
 808         g_dbus_unregister_interface(connection, element->path,
 809                                                 CONNMAN_DEVICE_INTERFACE);
 810 }
 811
 812 static void device_enable(struct connman_device *device)
 813 {
 814         DBG("device %p", device);
 815
 816         if (device->powered == TRUE)
 817                 return;
 818
 819         if (device->driver->enable) {
 820                 if (device->driver->enable(device) == 0)
 821                         device->powered = TRUE;
 822                 __connman_notifier_device_type_increase(device->type);
 823         }
 824 }
 825
 826 static void device_disable(struct connman_device *device)
 827 {
 828         DBG("device %p", device);
 829
 830         if (device->powered == FALSE)
 831                 return;
 832
 833         g_hash_table_remove_all(device->networks);
 834
 835         if (device->driver->disable) {
 836                 if (device->driver->disable(device) == 0)
 837                         device->powered = FALSE;
 838                 __connman_notifier_device_type_decrease(device->type);
 839         }
 840 }
 841
 842 static int setup_device(struct connman_device *device)
 843 {
 844         int err;
 845
 846         DBG("device %p", device);
 847
 848         err = register_interface(&device->element);
 849         if (err < 0) {
 850                 if (device->driver->remove)
 851                         device->driver->remove(device);
 852                 device->driver = NULL;
 853                 return err;
 854         }
 855
 856         switch (device->mode) {
 857         case CONNMAN_DEVICE_MODE_UNKNOWN:
 858         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 859         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 860                 break;
 861         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 862                 if (device->carrier == TRUE && device->secondary == FALSE)
 863                         __connman_profile_add_device(device);
 864                 break;
 865         }
 866
 867         device_enable(device);
 868
 869         return 0;
 870 }
 871
 872 static void probe_driver(struct connman_element *element, gpointer user_data)
 873 {
 874         struct connman_device_driver *driver = user_data;
 875
 876         DBG("element %p name %s", element, element->name);
 877
 878         if (element->device == NULL)
 879                 return;
 880
 881         if (element->device->driver != NULL)
 882                 return;
 883
 884         if (driver->type != element->device->type)
 885                 return;
 886
 887         if (driver->probe(element->device) < 0)
 888                 return;
 889
 890         element->device->driver = driver;
 891
 892         setup_device(element->device);
 893 }
 894
 895 static void remove_device(struct connman_device *device)
 896 {
 897         DBG("device %p", device);
 898
 899         device_disable(device);
 900
 901         switch (device->mode) {
 902         case CONNMAN_DEVICE_MODE_UNKNOWN:
 903         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 904         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 905                 break;
 906         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 907                 if (device->secondary == FALSE)
 908                         __connman_profile_remove_device(device);
 909                 break;
 910         }
 911
 912         unregister_interface(&device->element);
 913
 914         if (device->driver->remove)
 915                 device->driver->remove(device);
 916
 917         device->driver = NULL;
 918 }
 919
 920 static void remove_driver(struct connman_element *element, gpointer user_data)
 921 {
 922         struct connman_device_driver *driver = user_data;
 923
 924         DBG("element %p name %s", element, element->name);
 925
 926         if (element->device == NULL)
 927                 return;
 928
 929         if (element->device->driver == driver)
 930                 remove_device(element->device);
 931 }
 932
 933 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 934 {
 935         if (device == NULL || device->driver == NULL)
 936                 return FALSE;
 937
 938         return device->registered;
 939 }
 940
 941 static GSList *driver_list = NULL;
 942
 943 static gint compare_priority(gconstpointer a, gconstpointer b)
 944 {
 945         const struct connman_device_driver *driver1 = a;
 946         const struct connman_device_driver *driver2 = b;
 947
 948         return driver2->priority - driver1->priority;
 949 }
 950
 951 /**
 952  * connman_device_driver_register:
 953  * @driver: device driver definition
 954  *
 955  * Register a new device driver
 956  *
 957  * Returns: %0 on success
 958  */
 959 int connman_device_driver_register(struct connman_device_driver *driver)
 960 {
 961         DBG("driver %p name %s", driver, driver->name);
 962
 963         driver_list = g_slist_insert_sorted(driver_list, driver,
 964                                                         compare_priority);
 965
 966         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 967                                                 probe_driver, driver);
 968
 969         return 0;
 970 }
 971
 972 /**
 973  * connman_device_driver_unregister:
 974  * @driver: device driver definition
 975  *
 976  * Remove a previously registered device driver
 977  */
 978 void connman_device_driver_unregister(struct connman_device_driver *driver)
 979 {
 980         DBG("driver %p name %s", driver, driver->name);
 981
 982         driver_list = g_slist_remove(driver_list, driver);
 983
 984         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 985                                                 remove_driver, driver);
 986 }
 987
 988 static void unregister_network(gpointer data)
 989 {
 990         struct connman_network *network = data;
 991
 992         DBG("network %p", network);
 993
 994         connman_element_unregister((struct connman_element *) network);
 995
 996         connman_network_unref(network);
 997 }
 998
 999 static void device_destruct(struct connman_element *element)
1000 {
1001         struct connman_device *device = element->device;
1002
1003         DBG("element %p name %s", element, element->name);
1004
1005         if (device->timeout > 0) {
1006                 g_source_remove(device->timeout);
1007                 device->timeout = 0;
1008         }
1009
1010         if (device->pending != NULL) {
1011                 dbus_message_unref(device->pending);
1012                 device->pending = NULL;
1013         }
1014
1015         g_free(device->ident);
1016         g_free(device->node);
1017         g_free(device->name);
1018         g_free(device->address);
1019         g_free(device->control);
1020         g_free(device->interface);
1021
1022         connman_ipconfig_unref(device->ipconfig);
1023
1024         g_free(device->last_network);
1025
1026         g_hash_table_destroy(device->networks);
1027         device->networks = NULL;
1028 }
1029
1030 /**
1031  * connman_device_create:
1032  * @node: device node name (for example an address)
1033  * @type: device type
1034  *
1035  * Allocate a new device of given #type and assign the #node name to it.
1036  *
1037  * Returns: a newly-allocated #connman_device structure
1038  */
1039 struct connman_device *connman_device_create(const char *node,
1040                                                 enum connman_device_type type)
1041 {
1042         struct connman_device *device;
1043         const char *str;
1044
1045         DBG("node %s type %d", node, type);
1046
1047         device = g_try_new0(struct connman_device, 1);
1048         if (device == NULL)
1049                 return NULL;
1050
1051         DBG("device %p", device);
1052
1053         __connman_element_initialize(&device->element);
1054
1055         device->element.name = g_strdup(node);
1056         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
1057
1058         device->element.device = device;
1059         device->element.destruct = device_destruct;
1060
1061         str = type2string(type);
1062         if (str != NULL)
1063                 connman_element_set_string(&device->element,
1064                                         CONNMAN_PROPERTY_ID_TYPE, str);
1065
1066         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
1067
1068         device->type      = type;
1069         device->name      = g_strdup(type2description(device->type));
1070         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
1071         device->secondary = FALSE;
1072
1073         switch (type) {
1074         case CONNMAN_DEVICE_TYPE_UNKNOWN:
1075         case CONNMAN_DEVICE_TYPE_VENDOR:
1076                 device->scan_interval = 0;
1077                 break;
1078         case CONNMAN_DEVICE_TYPE_ETHERNET:
1079         case CONNMAN_DEVICE_TYPE_WIFI:
1080                 device->scan_interval = 300;
1081                 break;
1082         case CONNMAN_DEVICE_TYPE_WIMAX:
1083                 device->scan_interval = 0;
1084                 break;
1085         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
1086                 device->scan_interval = 0;
1087                 break;
1088         case CONNMAN_DEVICE_TYPE_GPS:
1089                 device->scan_interval = 0;
1090                 break;
1091         case CONNMAN_DEVICE_TYPE_MBM:
1092         case CONNMAN_DEVICE_TYPE_HSO:
1093         case CONNMAN_DEVICE_TYPE_NOZOMI:
1094         case CONNMAN_DEVICE_TYPE_HUAWEI:
1095         case CONNMAN_DEVICE_TYPE_NOVATEL:
1096                 device->scan_interval = 0;
1097                 break;
1098         }
1099
1100         device->ipconfig = connman_ipconfig_create();
1101         if (device->ipconfig == NULL) {
1102                 connman_device_unref(device);
1103                 return NULL;
1104         }
1105
1106         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
1107                                                 g_free, unregister_network);
1108
1109         return device;
1110 }
1111
1112 /**
1113  * connman_device_ref:
1114  * @device: device structure
1115  *
1116  * Increase reference counter of device
1117  */
1118 struct connman_device *connman_device_ref(struct connman_device *device)
1119 {
1120         if (connman_element_ref(&device->element) == NULL)
1121                 return NULL;
1122
1123         return device;
1124 }
1125
1126 /**
1127  * connman_device_unref:
1128  * @device: device structure
1129  *
1130  * Decrease reference counter of device
1131  */
1132 void connman_device_unref(struct connman_device *device)
1133 {
1134         connman_element_unref(&device->element);
1135 }
1136
1137 const char *__connman_device_get_type(struct connman_device *device)
1138 {
1139         return type2string(device->type);
1140 }
1141
1142 /**
1143  * connman_device_get_type:
1144  * @device: device structure
1145  *
1146  * Get type of device
1147  */
1148 enum connman_device_type connman_device_get_type(struct connman_device *device)
1149 {
1150         return device->type;
1151 }
1152
1153 /**
1154  * connman_device_get_name:
1155  * @device: device structure
1156  *
1157  * Get unique name of device
1158  */
1159 const char *connman_device_get_name(struct connman_device *device)
1160 {
1161         return device->element.name;
1162 }
1163
1164 /**
1165  * connman_device_get_path:
1166  * @device: device structure
1167  *
1168  * Get path name of device
1169  */
1170 const char *connman_device_get_path(struct connman_device *device)
1171 {
1172         return device->element.path;
1173 }
1174
1175 /**
1176  * connman_device_set_index:
1177  * @device: device structure
1178  * @index: index number
1179  *
1180  * Set index number of device
1181  */
1182 void connman_device_set_index(struct connman_device *device, int index)
1183 {
1184         device->element.index = index;
1185 }
1186
1187 /**
1188  * connman_device_get_index:
1189  * @device: device structure
1190  *
1191  * Get index number of device
1192  */
1193 int connman_device_get_index(struct connman_device *device)
1194 {
1195         return device->element.index;
1196 }
1197
1198 /**
1199  * connman_device_set_interface:
1200  * @device: device structure
1201  * @interface: interface name
1202  * @control: control interface
1203  *
1204  * Set interface name of device
1205  */
1206 void connman_device_set_interface(struct connman_device *device,
1207                                 const char *interface, const char *control)
1208 {
1209         g_free(device->element.devname);
1210         device->element.devname = g_strdup(interface);
1211
1212         g_free(device->interface);
1213         device->interface = g_strdup(interface);
1214
1215         g_free(device->control);
1216         device->control = g_strdup(control);
1217
1218         if (device->name == NULL) {
1219                 const char *str = type2description(device->type);
1220                 if (str != NULL && device->interface != NULL)
1221                         device->name = g_strdup_printf("%s (%s)", str,
1222                                                         device->interface);
1223         }
1224 }
1225
1226 const char *connman_device_get_control(struct connman_device *device)
1227 {
1228         return device->control;
1229 }
1230
1231 /**
1232  * connman_device_set_ident:
1233  * @device: device structure
1234  * @ident: unique identifier
1235  *
1236  * Set unique identifier of device
1237  */
1238 void connman_device_set_ident(struct connman_device *device,
1239                                                         const char *ident)
1240 {
1241         g_free(device->ident);
1242         device->ident = g_strdup(ident);
1243 }
1244
1245 const char *__connman_device_get_ident(struct connman_device *device)
1246 {
1247         return device->ident;
1248 }
1249
1250 /**
1251  * connman_device_set_mode:
1252  * @device: device structure
1253  * @mode: network mode
1254  *
1255  * Change network mode of device
1256  */
1257 void connman_device_set_mode(struct connman_device *device,
1258                                                 enum connman_device_mode mode)
1259 {
1260         device->mode = mode;
1261 }
1262
1263 /**
1264  * connman_device_get_mode:
1265  * @device: device structure
1266  *
1267  * Get network mode of device
1268  */
1269 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1270 {
1271         return device->mode;
1272 }
1273
1274 /**
1275  * connman_device_set_secondary:
1276  * @device: device structure
1277  * @secondary: secondary value
1278  *
1279  * Change secondary value of device
1280  */
1281 void connman_device_set_secondary(struct connman_device *device,
1282                                                 connman_bool_t secondary)
1283 {
1284         device->secondary = secondary;
1285 }
1286
1287 /**
1288  * connman_device_get_secondary:
1289  * @device: device structure
1290  *
1291  * Get secondary value of device
1292  */
1293 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1294 {
1295         return device->secondary;
1296 }
1297
1298 /**
1299  * connman_device_set_powered:
1300  * @device: device structure
1301  * @powered: powered state
1302  *
1303  * Change power state of device
1304  */
1305 int connman_device_set_powered(struct connman_device *device,
1306                                                 connman_bool_t powered)
1307 {
1308         DBG("driver %p powered %d", device, powered);
1309
1310         if (device->timeout > 0) {
1311                 g_source_remove(device->timeout);
1312                 device->timeout = 0;
1313         }
1314
1315         if (device->pending != NULL) {
1316                 g_dbus_send_reply(connection, device->pending,
1317                                                         DBUS_TYPE_INVALID);
1318
1319                 dbus_message_unref(device->pending);
1320                 device->pending = NULL;
1321         }
1322
1323         if (device->powered == powered)
1324                 return -EALREADY;
1325
1326         device->powered = powered;
1327
1328         if (device->registered == FALSE)
1329                 return 0;
1330
1331         powered_changed(device);
1332
1333         if (powered == FALSE)
1334                 return 0;
1335
1336         if (device->scan_timeout > 0) {
1337                 g_source_remove(device->scan_timeout);
1338                 device->scan_timeout = 0;
1339         }
1340
1341         if (device->scan_interval > 0) {
1342                 guint interval = device->scan_interval;
1343                 device->scan_timeout = g_timeout_add_seconds(interval,
1344                                         device_scan_trigger, device);
1345         }
1346
1347         if (device->driver->scan)
1348                 device->driver->scan(device);
1349
1350         return 0;
1351 }
1352
1353 /**
1354  * connman_device_set_carrier:
1355  * @device: device structure
1356  * @carrier: carrier state
1357  *
1358  * Change carrier state of device (only for device without scanning)
1359  */
1360 int connman_device_set_carrier(struct connman_device *device,
1361                                                 connman_bool_t carrier)
1362 {
1363         DBG("device %p carrier %d", device, carrier);
1364
1365         switch (device->mode) {
1366         case CONNMAN_DEVICE_MODE_UNKNOWN:
1367         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1368         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1369                 return -EINVAL;
1370         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1371                 break;
1372         }
1373
1374         if (device->carrier == carrier)
1375                 return -EALREADY;
1376
1377         device->carrier = carrier;
1378
1379         return set_carrier(device, device->carrier);
1380 }
1381
1382 int __connman_device_scan(struct connman_device *device)
1383 {
1384         if (!device->driver || !device->driver->scan)
1385                 return -EOPNOTSUPP;
1386
1387         if (device->powered == FALSE)
1388                 return -ENOLINK;
1389
1390         return device->driver->scan(device);
1391 }
1392
1393 int __connman_device_enable(struct connman_device *device)
1394 {
1395         if (!device->driver || !device->driver->enable)
1396                 return -EOPNOTSUPP;
1397
1398         if (device->powered == TRUE)
1399                 return -EALREADY;
1400
1401         device_enable(device);
1402
1403         return 0;
1404 }
1405
1406 int __connman_device_disable(struct connman_device *device)
1407 {
1408         if (!device->driver || !device->driver->disable)
1409                 return -EOPNOTSUPP;
1410
1411         if (device->powered == FALSE)
1412                 return -ENOLINK;
1413
1414         device_disable(device);
1415
1416         return 0;
1417 }
1418
1419 int __connman_device_connect(struct connman_device *device)
1420 {
1421         DBG("device %p", device);
1422
1423         if (device->disconnected == FALSE)
1424                 return -EINVAL;
1425
1426         if (device->driver && device->driver->connect)
1427                 device->driver->connect(device);
1428
1429         return 0;
1430 }
1431
1432 int __connman_device_disconnect(struct connman_device *device)
1433 {
1434         GHashTableIter iter;
1435         gpointer key, value;
1436
1437         DBG("device %p", device);
1438
1439         connman_device_set_disconnected(device, TRUE);
1440
1441         g_hash_table_iter_init(&iter, device->networks);
1442
1443         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1444                 struct connman_network *network = value;
1445
1446                 if (connman_network_get_connected(network) == TRUE ||
1447                                 connman_network_get_associating(network) == TRUE)
1448                         __connman_network_disconnect(network);
1449         }
1450
1451         if (device->driver && device->driver->disconnect)
1452                 device->driver->disconnect(device);
1453
1454         return 0;
1455 }
1456
1457 static void mark_network_unavailable(gpointer key, gpointer value,
1458                                                         gpointer user_data)
1459 {
1460         struct connman_network *network = value;
1461
1462         if (connman_network_get_connected(network) == TRUE)
1463                 return;
1464
1465         connman_network_set_available(network, FALSE);
1466 }
1467
1468 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1469                                                         gpointer user_data)
1470 {
1471         struct connman_network *network = value;
1472
1473         if (connman_network_get_connected(network) == TRUE)
1474                 return FALSE;
1475
1476         if (connman_network_get_available(network) == TRUE)
1477                 return FALSE;
1478
1479         return TRUE;
1480 }
1481
1482 void __connman_device_cleanup_networks(struct connman_device *device)
1483 {
1484         g_hash_table_foreach_remove(device->networks,
1485                                         remove_unavailable_network, NULL);
1486 }
1487
1488 /**
1489  * connman_device_set_scanning:
1490  * @device: device structure
1491  * @scanning: scanning state
1492  *
1493  * Change scanning state of device
1494  */
1495 int connman_device_set_scanning(struct connman_device *device,
1496                                                 connman_bool_t scanning)
1497 {
1498         DBusMessage *signal;
1499         DBusMessageIter entry, value;
1500         const char *key = "Scanning";
1501
1502         DBG("device %p scanning %d", device, scanning);
1503
1504         if (!device->driver || !device->driver->scan)
1505                 return -EINVAL;
1506
1507         if (device->scanning == scanning)
1508                 return -EALREADY;
1509
1510         device->scanning = scanning;
1511
1512         signal = dbus_message_new_signal(device->element.path,
1513                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1514         if (signal == NULL)
1515                 return 0;
1516
1517         dbus_message_iter_init_append(signal, &entry);
1518
1519         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1520
1521         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1522                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1523         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1524         dbus_message_iter_close_container(&entry, &value);
1525
1526         g_dbus_send_message(connection, signal);
1527
1528         if (scanning == TRUE) {
1529                 if (device->scan_timeout > 0) {
1530                         g_source_remove(device->scan_timeout);
1531                         device->scan_timeout = 0;
1532                 }
1533
1534                 if (device->scan_interval > 0) {
1535                         guint interval = device->scan_interval;
1536                         device->scan_timeout = g_timeout_add_seconds(interval,
1537                                                 device_scan_trigger, device);
1538                 }
1539
1540                 g_hash_table_foreach(device->networks,
1541                                         mark_network_unavailable, NULL);
1542                 return 0;
1543         }
1544
1545         __connman_device_cleanup_networks(device);
1546
1547         if (device->connections > 0)
1548                 return 0;
1549
1550         if (device->disconnected == TRUE)
1551                 return 0;
1552
1553         __connman_service_auto_connect();
1554
1555         return 0;
1556 }
1557
1558 /**
1559  * connman_device_set_disconnected:
1560  * @device: device structure
1561  * @disconnected: disconnected state
1562  *
1563  * Change disconnected state of device (only for device with networks)
1564  */
1565 int connman_device_set_disconnected(struct connman_device *device,
1566                                                 connman_bool_t disconnected)
1567 {
1568         DBG("device %p disconnected %d", device, disconnected);
1569
1570         switch (device->mode) {
1571         case CONNMAN_DEVICE_MODE_UNKNOWN:
1572         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1573                 return -EINVAL;
1574         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1575         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1576                 break;
1577         }
1578
1579         if (device->disconnected == disconnected)
1580                 return -EALREADY;
1581
1582         device->disconnected = disconnected;
1583
1584         return 0;
1585 }
1586
1587 /**
1588  * connman_device_get_disconnected:
1589  * @device: device structure
1590  *
1591  * Get device disconnected state
1592  */
1593 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1594 {
1595         return device->disconnected;
1596 }
1597
1598 /**
1599  * connman_device_set_connected:
1600  * @device: device structure
1601  * @connected: connected state
1602  *
1603  * Change connected state of device (for Ethernet like devices)
1604  */
1605 int connman_device_set_connected(struct connman_device *device,
1606                                                 connman_bool_t connected)
1607 {
1608         DBG("device %p connected %d", device, connected);
1609
1610         switch (device->mode) {
1611         case CONNMAN_DEVICE_MODE_UNKNOWN:
1612         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1613         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1614                 return -EINVAL;
1615         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1616                 break;
1617         }
1618
1619         if (device->carrier == FALSE)
1620                 return -ENOTCONN;
1621
1622         return set_connected(device, connected);
1623 }
1624
1625 /**
1626  * connman_device_set_string:
1627  * @device: device structure
1628  * @key: unique identifier
1629  * @value: string value
1630  *
1631  * Set string value for specific key
1632  */
1633 int connman_device_set_string(struct connman_device *device,
1634                                         const char *key, const char *value)
1635 {
1636         DBG("device %p key %s value %s", device, key, value);
1637
1638         if (g_str_equal(key, "Address") == TRUE) {
1639                 g_free(device->address);
1640                 device->address = g_strdup(value);
1641         } else if (g_str_equal(key, "Name") == TRUE) {
1642                 g_free(device->name);
1643                 device->name = g_strdup(value);
1644         } else if (g_str_equal(key, "Node") == TRUE) {
1645                 g_free(device->node);
1646                 device->node = g_strdup(value);
1647         }
1648
1649         return connman_element_set_string(&device->element, key, value);
1650 }
1651
1652 /**
1653  * connman_device_get_string:
1654  * @device: device structure
1655  * @key: unique identifier
1656  *
1657  * Get string value for specific key
1658  */
1659 const char *connman_device_get_string(struct connman_device *device,
1660                                                         const char *key)
1661 {
1662         DBG("device %p key %s", device, key);
1663
1664         if (g_str_equal(key, "Address") == TRUE)
1665                 return device->address;
1666         else if (g_str_equal(key, "Name") == TRUE)
1667                 return device->name;
1668         else if (g_str_equal(key, "Node") == TRUE)
1669                 return device->node;
1670
1671         return connman_element_get_string(&device->element, key);
1672 }
1673
1674 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1675 {
1676         struct connman_device *device = element->device;
1677         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1678         connman_bool_t powered;
1679
1680         DBG("element %p name %s", element, element->name);
1681
1682         if (device == NULL)
1683                 return;
1684
1685         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1686
1687         if (device->powered == powered)
1688                 return;
1689
1690         set_powered(device, powered);
1691 }
1692
1693 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1694 {
1695         DBG("offlinmode %d", offlinemode);
1696
1697         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1698                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1699
1700         __connman_notifier_offline_mode(offlinemode);
1701
1702         return 0;
1703 }
1704
1705 void __connman_device_increase_connections(struct connman_device *device)
1706 {
1707         device->connections++;
1708 }
1709
1710 void __connman_device_decrease_connections(struct connman_device *device)
1711 {
1712         device->connections--;
1713 }
1714
1715 /**
1716  * connman_device_add_network:
1717  * @device: device structure
1718  * @network: network structure
1719  *
1720  * Add new network to the device
1721  */
1722 int connman_device_add_network(struct connman_device *device,
1723                                         struct connman_network *network)
1724 {
1725         const char *identifier = connman_network_get_identifier(network);
1726         int err;
1727
1728         DBG("device %p network %p", device, network);
1729
1730         switch (device->mode) {
1731         case CONNMAN_DEVICE_MODE_UNKNOWN:
1732         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1733                 return -EINVAL;
1734         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1735         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1736                 break;
1737         }
1738
1739         __connman_network_set_device(network, device);
1740
1741         __connman_storage_load_network(network);
1742
1743         err = connman_element_register((struct connman_element *) network,
1744                                                         &device->element);
1745         if (err < 0) {
1746                 __connman_network_set_device(network, NULL);
1747                 return err;
1748         }
1749
1750         g_hash_table_insert(device->networks, g_strdup(identifier),
1751                                                                 network);
1752
1753         return 0;
1754 }
1755
1756 /**
1757  * connman_device_get_network:
1758  * @device: device structure
1759  * @identifier: network identifier
1760  *
1761  * Get network for given identifier
1762  */
1763 struct connman_network *connman_device_get_network(struct connman_device *device,
1764                                                         const char *identifier)
1765 {
1766         DBG("device %p identifier %s", device, identifier);
1767
1768         return g_hash_table_lookup(device->networks, identifier);
1769 }
1770
1771 /**
1772  * connman_device_remove_network:
1773  * @device: device structure
1774  * @identifier: network identifier
1775  *
1776  * Remove network for given identifier
1777  */
1778 int connman_device_remove_network(struct connman_device *device,
1779                                                         const char *identifier)
1780 {
1781         DBG("device %p identifier %s", device, identifier);
1782
1783         g_hash_table_remove(device->networks, identifier);
1784
1785         return 0;
1786 }
1787
1788 void __connman_device_set_network(struct connman_device *device,
1789                                         struct connman_network *network)
1790 {
1791         const char *name;
1792
1793         if (device->network == network)
1794                 return;
1795
1796         if (device->network != NULL)
1797                 connman_network_unref(device->network);
1798
1799         if (network != NULL) {
1800                 name = connman_network_get_string(network,
1801                                                 CONNMAN_PROPERTY_ID_NAME);
1802                 g_free(device->last_network);
1803                 device->last_network = g_strdup(name);
1804
1805                 device->network = connman_network_ref(network);
1806         } else {
1807                 g_free(device->last_network);
1808                 device->last_network = NULL;
1809
1810                 device->network = NULL;
1811         }
1812 }
1813
1814 /**
1815  * connman_device_register:
1816  * @device: device structure
1817  *
1818  * Register device with the system
1819  */
1820 int connman_device_register(struct connman_device *device)
1821 {
1822         __connman_storage_load_device(device);
1823
1824         switch (device->mode) {
1825         case CONNMAN_DEVICE_MODE_UNKNOWN:
1826         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1827                 break;
1828         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1829         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1830                 __connman_storage_init_network(device);
1831                 break;
1832         }
1833
1834         __connman_notifier_device_type_register(device->type);
1835
1836         return connman_element_register(&device->element, NULL);
1837 }
1838
1839 /**
1840  * connman_device_unregister:
1841  * @device: device structure
1842  *
1843  * Unregister device with the system
1844  */
1845 void connman_device_unregister(struct connman_device *device)
1846 {
1847         __connman_storage_save_device(device);
1848
1849         __connman_notifier_device_type_unregister(device->type);
1850
1851         connman_element_unregister(&device->element);
1852 }
1853
1854 /**
1855  * connman_device_get_data:
1856  * @device: device structure
1857  *
1858  * Get private device data pointer
1859  */
1860 void *connman_device_get_data(struct connman_device *device)
1861 {
1862         return device->driver_data;
1863 }
1864
1865 /**
1866  * connman_device_set_data:
1867  * @device: device structure
1868  * @data: data pointer
1869  *
1870  * Set private device data pointer
1871  */
1872 void connman_device_set_data(struct connman_device *device, void *data)
1873 {
1874         device->driver_data = data;
1875 }
1876
1877 static gboolean match_driver(struct connman_device *device,
1878                                         struct connman_device_driver *driver)
1879 {
1880         if (device->type == driver->type ||
1881                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1882                 return TRUE;
1883
1884         return FALSE;
1885 }
1886
1887 static int device_probe(struct connman_element *element)
1888 {
1889         struct connman_device *device = element->device;
1890         GSList *list;
1891
1892         DBG("element %p name %s", element, element->name);
1893
1894         if (device == NULL)
1895                 return -ENODEV;
1896
1897         if (device->driver != NULL)
1898                 return -EALREADY;
1899
1900         for (list = driver_list; list; list = list->next) {
1901                 struct connman_device_driver *driver = list->data;
1902
1903                 if (match_driver(device, driver) == FALSE)
1904                         continue;
1905
1906                 DBG("driver %p name %s", driver, driver->name);
1907
1908                 if (driver->probe(device) == 0) {
1909                         device->driver = driver;
1910                         break;
1911                 }
1912         }
1913
1914         if (device->driver == NULL)
1915                 return -ENODEV;
1916
1917         return setup_device(device);
1918 }
1919
1920 static void device_remove(struct connman_element *element)
1921 {
1922         struct connman_device *device = element->device;
1923
1924         DBG("element %p name %s", element, element->name);
1925
1926         if (device == NULL)
1927                 return;
1928
1929         if (device->driver == NULL)
1930                 return;
1931
1932         remove_device(device);
1933 }
1934
1935 static struct connman_driver device_driver = {
1936         .name           = "device",
1937         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1938         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1939         .probe          = device_probe,
1940         .remove         = device_remove,
1941 };
1942
1943 static int device_load(struct connman_device *device)
1944 {
1945         GKeyFile *keyfile;
1946         gchar *pathname, *identifier, *data = NULL;
1947         gsize length;
1948         int val;
1949
1950         DBG("device %p", device);
1951
1952         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1953                                         __connman_profile_active_ident());
1954         if (pathname == NULL)
1955                 return -ENOMEM;
1956
1957         keyfile = g_key_file_new();
1958
1959         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1960                 g_free(pathname);
1961                 return -ENOENT;
1962         }
1963
1964         g_free(pathname);
1965
1966         if (g_key_file_load_from_data(keyfile, data, length,
1967                                                         0, NULL) == FALSE) {
1968                 g_free(data);
1969                 return -EILSEQ;
1970         }
1971
1972         g_free(data);
1973
1974         identifier = g_strdup_printf("device_%s", device->element.name);
1975         if (identifier == NULL)
1976                 goto done;
1977
1978         switch (device->mode) {
1979         case CONNMAN_DEVICE_MODE_UNKNOWN:
1980         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1981                 break;
1982         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1983         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1984                 val = g_key_file_get_integer(keyfile, identifier,
1985                                                         "ScanInterval", NULL);
1986                 if (val > 0)
1987                         device->scan_interval = val;
1988                 break;
1989         }
1990
1991 done:
1992         g_key_file_free(keyfile);
1993
1994         g_free(identifier);
1995
1996         return 0;
1997 }
1998
1999 static int device_save(struct connman_device *device)
2000 {
2001         GKeyFile *keyfile;
2002         gchar *pathname, *identifier = NULL, *data = NULL;
2003         gsize length;
2004
2005         DBG("device %p", device);
2006
2007         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
2008                                         __connman_profile_active_ident());
2009         if (pathname == NULL)
2010                 return -ENOMEM;
2011
2012         keyfile = g_key_file_new();
2013
2014         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
2015                 goto update;
2016
2017         if (length > 0) {
2018                 if (g_key_file_load_from_data(keyfile, data, length,
2019                                                         0, NULL) == FALSE)
2020                         goto done;
2021         }
2022
2023         g_free(data);
2024
2025 update:
2026         identifier = g_strdup_printf("device_%s", device->element.name);
2027         if (identifier == NULL)
2028                 goto done;
2029
2030         switch (device->mode) {
2031         case CONNMAN_DEVICE_MODE_UNKNOWN:
2032         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
2033                 break;
2034         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
2035         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
2036                 if (device->scan_interval > 0)
2037                         g_key_file_set_integer(keyfile, identifier,
2038                                         "ScanInterval", device->scan_interval);
2039                 break;
2040         }
2041
2042         data = g_key_file_to_data(keyfile, &length, NULL);
2043
2044         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
2045                 connman_error("Failed to store device information");
2046
2047 done:
2048         g_free(data);
2049
2050         g_key_file_free(keyfile);
2051
2052         g_free(identifier);
2053         g_free(pathname);
2054
2055         return 0;
2056 }
2057
2058 static struct connman_storage device_storage = {
2059         .name           = "device",
2060         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
2061         .device_load    = device_load,
2062         .device_save    = device_save,
2063 };
2064
2065 int __connman_device_init(void)
2066 {
2067         DBG("");
2068
2069         connection = connman_dbus_get_connection();
2070
2071         if (connman_storage_register(&device_storage) < 0)
2072                 connman_error("Failed to register device storage");
2073
2074         return connman_driver_register(&device_driver);
2075 }
2076
2077 void __connman_device_cleanup(void)
2078 {
2079         DBG("");
2080
2081         connman_driver_unregister(&device_driver);
2082
2083         connman_storage_unregister(&device_storage);
2084
2085         dbus_connection_unref(connection);
2086 }