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         enum connman_device_policy policy;
  40         connman_bool_t secondary;
  41         connman_bool_t powered;
  42         connman_bool_t carrier;
  43         connman_bool_t scanning;
  44         connman_bool_t disconnected;
  45         connman_uint16_t scan_interval;
  46         char *name;
  47         char *node;
  48         char *address;
  49         char *interface;
  50         char *ident;
  51         unsigned int connections;
  52         guint scan_timeout;
  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 const char *policy2string(enum connman_device_policy policy)
 137 {
 138         switch (policy) {
 139         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 140                 break;
 141         case CONNMAN_DEVICE_POLICY_IGNORE:
 142                 return "ignore";
 143         case CONNMAN_DEVICE_POLICY_OFF:
 144                 return "off";
 145         case CONNMAN_DEVICE_POLICY_AUTO:
 146                 return "auto";
 147         case CONNMAN_DEVICE_POLICY_MANUAL:
 148                 return "manual";
 149         }
 150
 151         return NULL;
 152 }
 153
 154 static enum connman_device_policy string2policy(const char *policy)
 155 {
 156         if (g_str_equal(policy, "ignore") == TRUE)
 157                 return CONNMAN_DEVICE_POLICY_IGNORE;
 158         else if (g_str_equal(policy, "off") == TRUE)
 159                 return CONNMAN_DEVICE_POLICY_OFF;
 160         else if (g_str_equal(policy, "auto") == TRUE)
 161                 return CONNMAN_DEVICE_POLICY_AUTO;
 162         else if (g_str_equal(policy, "manual") == TRUE)
 163                 return CONNMAN_DEVICE_POLICY_MANUAL;
 164         else
 165                 return CONNMAN_DEVICE_POLICY_UNKNOWN;
 166 }
 167
 168 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 169 {
 170         struct connman_service *service;
 171
 172         service = __connman_service_lookup_from_device(device);
 173         __connman_service_set_carrier(service, carrier);
 174
 175         if (carrier == TRUE) {
 176                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 177                 struct connman_element *element;
 178
 179                 device->disconnected = TRUE;
 180
 181                 switch (device->policy) {
 182                 case CONNMAN_DEVICE_POLICY_UNKNOWN:
 183                 case CONNMAN_DEVICE_POLICY_IGNORE:
 184                 case CONNMAN_DEVICE_POLICY_OFF:
 185                 case CONNMAN_DEVICE_POLICY_MANUAL:
 186                         return 0;
 187                 case CONNMAN_DEVICE_POLICY_AUTO:
 188                         break;
 189                 }
 190
 191                 switch (device->element.ipv4.method) {
 192                 case CONNMAN_IPV4_METHOD_UNKNOWN:
 193                 case CONNMAN_IPV4_METHOD_OFF:
 194                         return 0;
 195                 case CONNMAN_IPV4_METHOD_STATIC:
 196                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 197                         break;
 198                 case CONNMAN_IPV4_METHOD_DHCP:
 199                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 200                         break;
 201                 }
 202
 203                 element = connman_element_create(NULL);
 204                 if (element != NULL) {
 205                         element->type  = type;
 206                         element->index = device->element.index;
 207
 208                         if (connman_element_register(element,
 209                                                         &device->element) < 0)
 210                                 connman_element_unref(element);
 211
 212                         device->disconnected = FALSE;
 213
 214                         __connman_service_indicate_state(service,
 215                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 216                 }
 217         } else
 218                 connman_element_unregister_children(&device->element);
 219
 220         return 0;
 221 }
 222
 223 static int set_powered(struct connman_device *device, connman_bool_t powered)
 224 {
 225         struct connman_device_driver *driver = device->driver;
 226         int err;
 227
 228         DBG("device %p powered %d", device, powered);
 229
 230         if (!driver)
 231                 return -EINVAL;
 232
 233         if (powered == TRUE) {
 234                 if (driver->enable) {
 235                         err = driver->enable(device);
 236                         __connman_notifier_device_type_increase(device->type);
 237                 } else
 238                         err = -EINVAL;
 239         } else {
 240                 g_hash_table_remove_all(device->networks);
 241
 242                 set_carrier(device, FALSE);
 243
 244                 if (driver->disable) {
 245                         err = driver->disable(device);
 246                         __connman_notifier_device_type_decrease(device->type);
 247                 } else
 248                         err = -EINVAL;
 249         }
 250
 251         return err;
 252 }
 253
 254 static int set_policy(DBusConnection *connection,
 255                                 struct connman_device *device,
 256                                         enum connman_device_policy policy)
 257 {
 258         DBusMessage *signal;
 259         DBusMessageIter entry, value;
 260         const char *str, *key = "Policy";
 261         int err = 0;
 262
 263         DBG("device %p policy %d", device, policy);
 264
 265         if (device->policy == policy)
 266                 return 0;
 267
 268         switch (policy) {
 269         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 270                 return -EINVAL;
 271         case CONNMAN_DEVICE_POLICY_IGNORE:
 272                 break;
 273         case CONNMAN_DEVICE_POLICY_OFF:
 274                 if (device->powered == TRUE)
 275                         err = set_powered(device, FALSE);
 276                 break;
 277         case CONNMAN_DEVICE_POLICY_AUTO:
 278         case CONNMAN_DEVICE_POLICY_MANUAL:
 279                 if (device->powered == FALSE)
 280                         err = set_powered(device, TRUE);
 281                 else
 282                         err = set_carrier(device, device->carrier);
 283                 break;
 284         }
 285
 286         if (err < 0)
 287                 return err;
 288
 289         device->policy = policy;
 290
 291         signal = dbus_message_new_signal(device->element.path,
 292                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 293         if (signal == NULL)
 294                 return 0;
 295
 296         dbus_message_iter_init_append(signal, &entry);
 297
 298         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 299
 300         str = policy2string(policy);
 301
 302         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 303                                         DBUS_TYPE_STRING_AS_STRING, &value);
 304         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 305         dbus_message_iter_close_container(&entry, &value);
 306
 307         g_dbus_send_message(connection, signal);
 308
 309         return 0;
 310 }
 311
 312 static void append_path(gpointer key, gpointer value, gpointer user_data)
 313 {
 314         struct connman_element *element = value;
 315         DBusMessageIter *iter = user_data;
 316
 317         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 318                                                         &element->path);
 319 }
 320
 321 static void append_networks(struct connman_device *device,
 322                                                 DBusMessageIter *entry)
 323 {
 324         DBusMessageIter value, iter;
 325         const char *key = "Networks";
 326
 327         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 328
 329         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 330                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 331                                                                 &value);
 332
 333         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 334                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 335         g_hash_table_foreach(device->networks, append_path, &iter);
 336         dbus_message_iter_close_container(&value, &iter);
 337
 338         dbus_message_iter_close_container(entry, &value);
 339 }
 340
 341 static DBusMessage *get_properties(DBusConnection *conn,
 342                                         DBusMessage *msg, void *data)
 343 {
 344         struct connman_device *device = data;
 345         DBusMessage *reply;
 346         DBusMessageIter array, dict, entry;
 347         const char *str;
 348
 349         DBG("conn %p", conn);
 350
 351         if (__connman_security_check_privilege(msg,
 352                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 353                 return __connman_error_permission_denied(msg);
 354
 355         reply = dbus_message_new_method_return(msg);
 356         if (reply == NULL)
 357                 return NULL;
 358
 359         dbus_message_iter_init_append(reply, &array);
 360
 361         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 362                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 363                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 364                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 365
 366         if (device->name != NULL)
 367                 connman_dbus_dict_append_variant(&dict, "Name",
 368                                         DBUS_TYPE_STRING, &device->name);
 369
 370         str = type2string(device->type);
 371         if (str != NULL)
 372                 connman_dbus_dict_append_variant(&dict, "Type",
 373                                                 DBUS_TYPE_STRING, &str);
 374
 375         if (device->address != NULL)
 376                 connman_dbus_dict_append_variant(&dict, "Address",
 377                                         DBUS_TYPE_STRING, &device->address);
 378
 379         if (device->interface != NULL)
 380                 connman_dbus_dict_append_variant(&dict, "Interface",
 381                                         DBUS_TYPE_STRING, &device->interface);
 382
 383         str = policy2string(device->policy);
 384         if (str != NULL)
 385                 connman_dbus_dict_append_variant(&dict, "Policy",
 386                                                 DBUS_TYPE_STRING, &str);
 387
 388         connman_dbus_dict_append_variant(&dict, "Powered",
 389                                         DBUS_TYPE_BOOLEAN, &device->powered);
 390
 391         if (device->driver && device->driver->scan)
 392                 connman_dbus_dict_append_variant(&dict, "Scanning",
 393                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 394
 395         switch (device->mode) {
 396         case CONNMAN_DEVICE_MODE_UNKNOWN:
 397                 break;
 398         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 399                 __connman_element_append_ipv4(&device->element, &dict);
 400                 break;
 401         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 402         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 403                 if (device->scan_interval > 0)
 404                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 405                                 DBUS_TYPE_UINT16, &device->scan_interval);
 406
 407                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 408                                                                 NULL, &entry);
 409                 append_networks(device, &entry);
 410                 dbus_message_iter_close_container(&dict, &entry);
 411                 break;
 412         }
 413
 414         dbus_message_iter_close_container(&array, &dict);
 415
 416         return reply;
 417 }
 418
 419 static gboolean powered_timeout(gpointer user_data)
 420 {
 421         struct connman_device *device = user_data;
 422
 423         DBG("device %p", device);
 424
 425         device->timeout = 0;
 426
 427         if (device->pending != NULL) {
 428                 DBusMessage *reply;
 429
 430                 reply = __connman_error_operation_timeout(device->pending);
 431                 if (reply != NULL)
 432                         g_dbus_send_message(connection, reply);
 433
 434                 dbus_message_unref(device->pending);
 435                 device->pending = NULL;
 436         }
 437
 438         return FALSE;
 439 }
 440
 441 static DBusMessage *set_property(DBusConnection *conn,
 442                                         DBusMessage *msg, void *data)
 443 {
 444         struct connman_device *device = data;
 445         DBusMessageIter iter, value;
 446         const char *name;
 447         int type;
 448
 449         DBG("conn %p", conn);
 450
 451         if (dbus_message_iter_init(msg, &iter) == FALSE)
 452                 return __connman_error_invalid_arguments(msg);
 453
 454         dbus_message_iter_get_basic(&iter, &name);
 455         dbus_message_iter_next(&iter);
 456         dbus_message_iter_recurse(&iter, &value);
 457
 458         if (__connman_security_check_privilege(msg,
 459                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 460                 return __connman_error_permission_denied(msg);
 461
 462         type = dbus_message_iter_get_arg_type(&value);
 463
 464         if (g_str_equal(name, "Powered") == TRUE) {
 465                 connman_bool_t powered;
 466                 int err;
 467
 468                 if (type != DBUS_TYPE_BOOLEAN)
 469                         return __connman_error_invalid_arguments(msg);
 470
 471                 dbus_message_iter_get_basic(&value, &powered);
 472
 473                 if (device->powered == powered)
 474                         return __connman_error_invalid_arguments(msg);
 475
 476                 if (device->pending != NULL)
 477                         return __connman_error_in_progress(msg);
 478
 479                 err = set_powered(device, powered);
 480                 if (err < 0 && err != -EINPROGRESS)
 481                         return __connman_error_failed(msg, -err);
 482
 483                 device->pending = dbus_message_ref(msg);
 484
 485                 device->timeout = g_timeout_add_seconds(15,
 486                                                 powered_timeout, device);
 487
 488                 return NULL;
 489         } else if (g_str_equal(name, "Policy") == TRUE) {
 490                 enum connman_device_policy policy;
 491                 const char *str;
 492                 int err;
 493
 494                 if (type != DBUS_TYPE_STRING)
 495                         return __connman_error_invalid_arguments(msg);
 496
 497                 dbus_message_iter_get_basic(&value, &str);
 498                 policy = string2policy(str);
 499                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
 500                         return __connman_error_invalid_arguments(msg);
 501
 502                 err = set_policy(conn, device, policy);
 503                 if (err < 0)
 504                         return __connman_error_failed(msg, -err);
 505         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 506                 connman_uint16_t interval;
 507
 508                 switch (device->mode) {
 509                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 510                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 511                         return __connman_error_invalid_arguments(msg);
 512                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 513                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 514                         break;
 515                 }
 516
 517                 if (type != DBUS_TYPE_UINT16)
 518                         return __connman_error_invalid_arguments(msg);
 519
 520                 dbus_message_iter_get_basic(&value, &interval);
 521
 522                 device->scan_interval = interval;
 523
 524                 if (device->scan_timeout > 0) {
 525                         g_source_remove(device->scan_timeout);
 526                         device->scan_timeout = 0;
 527                 }
 528
 529                 if (device->scan_interval > 0) {
 530                         guint interval = device->scan_interval;
 531                         device->scan_timeout = g_timeout_add_seconds(interval,
 532                                                 device_scan_trigger, device);
 533                 }
 534         } else if (g_str_has_prefix(name, "IPv4") == TRUE) {
 535                 switch (device->mode) {
 536                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 537                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 538                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 539                         return __connman_error_invalid_arguments(msg);
 540                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 541                         __connman_element_set_ipv4(&device->element,
 542                                                                 name, &value);
 543                         break;
 544                 }
 545         }
 546
 547         __connman_storage_save_device(device);
 548
 549         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 550 }
 551
 552 static char *build_group(const unsigned char *ssid, unsigned int ssid_len,
 553                                         const char *mode, const char *security)
 554 {
 555         GString *str;
 556         unsigned int i;
 557
 558         str = g_string_sized_new((ssid_len * 2) + 24);
 559         if (str == NULL)
 560                 return NULL;
 561
 562         if (ssid_len > 0 && ssid[0] != '\0') {
 563                 for (i = 0; i < ssid_len; i++)
 564                         g_string_append_printf(str, "%02x", ssid[i]);
 565         }
 566
 567         g_string_append_printf(str, "_%s_%s", mode, security);
 568
 569         return g_string_free(str, FALSE);
 570 }
 571
 572 static DBusMessage *join_network(DBusConnection *conn,
 573                                         DBusMessage *msg, void *data)
 574 {
 575         struct connman_device *device = data;
 576         struct connman_network *network;
 577         enum connman_network_type type;
 578         unsigned int ssid_size;
 579         const char *group, *mode, *security;
 580         const void *ssid;
 581         DBusMessageIter iter, array;
 582         int err, index;
 583
 584         DBG("conn %p", conn);
 585
 586         if (__connman_security_check_privilege(msg,
 587                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 588                 return __connman_error_permission_denied(msg);
 589
 590         if (!device->driver || !device->driver->join)
 591                 return __connman_error_not_supported(msg);
 592
 593         dbus_message_iter_init(msg, &iter);
 594         dbus_message_iter_recurse(&iter, &array);
 595
 596         switch (device->type) {
 597         case CONNMAN_DEVICE_TYPE_WIFI:
 598                 type = CONNMAN_NETWORK_TYPE_WIFI;
 599                 break;
 600         default:
 601                 return __connman_error_not_supported(msg);
 602         }
 603
 604         network = connman_network_create("00_00_00_00_00_00", type);
 605         if (network == NULL)
 606                 return __connman_error_failed(msg, ENOMEM);
 607
 608         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 609                 DBusMessageIter entry, value;
 610                 const char *key, *str;
 611
 612                 dbus_message_iter_recurse(&array, &entry);
 613                 dbus_message_iter_get_basic(&entry, &key);
 614
 615                 dbus_message_iter_next(&entry);
 616                 dbus_message_iter_recurse(&entry, &value);
 617
 618                 switch (dbus_message_iter_get_arg_type(&value)) {
 619                 case DBUS_TYPE_STRING:
 620                         dbus_message_iter_get_basic(&value, &str);
 621                         if (g_str_equal(key, "WiFi.SSID") == TRUE)
 622                                 connman_network_set_blob(network, key,
 623                                                         str, strlen(str));
 624                         else
 625                                 connman_network_set_string(network, key, str);
 626                         break;
 627                 }
 628
 629                 dbus_message_iter_next(&array);
 630         }
 631
 632         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_size);
 633         mode = connman_network_get_string(network, "WiFi.Mode");
 634         security = connman_network_get_string(network, "WiFi.Security");
 635         group = build_group(ssid, ssid_size, mode, security);
 636
 637         connman_network_set_group(network, group);
 638
 639         index = connman_device_get_index(device);
 640         connman_network_set_index(network, index);
 641
 642         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 643
 644         err = device->driver->join(device, network);
 645
 646         connman_network_unref(network);
 647
 648         if (err < 0)
 649                 return __connman_error_failed(msg, -err);
 650
 651         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 652 }
 653
 654 static DBusMessage *create_network(DBusConnection *conn,
 655                                         DBusMessage *msg, void *data)
 656 {
 657         DBG("conn %p", conn);
 658
 659         if (__connman_security_check_privilege(msg,
 660                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 661                 return __connman_error_permission_denied(msg);
 662
 663         return __connman_error_invalid_arguments(msg);
 664 }
 665
 666 static DBusMessage *remove_network(DBusConnection *conn,
 667                                         DBusMessage *msg, void *data)
 668 {
 669         DBG("conn %p", conn);
 670
 671         if (__connman_security_check_privilege(msg,
 672                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 673                 return __connman_error_permission_denied(msg);
 674
 675         return __connman_error_invalid_arguments(msg);
 676 }
 677
 678 static DBusMessage *propose_scan(DBusConnection *conn,
 679                                         DBusMessage *msg, void *data)
 680 {
 681         struct connman_device *device = data;
 682         int err;
 683
 684         DBG("conn %p", conn);
 685
 686         switch (device->mode) {
 687         case CONNMAN_DEVICE_MODE_UNKNOWN:
 688         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 689                 return __connman_error_not_supported(msg);
 690         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 691         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 692                 break;
 693         }
 694
 695         if (!device->driver || !device->driver->scan)
 696                 return __connman_error_not_supported(msg);
 697
 698         if (device->powered == FALSE)
 699                 return __connman_error_failed(msg, EINVAL);
 700
 701         err = device->driver->scan(device);
 702         if (err < 0)
 703                 return __connman_error_failed(msg, -err);
 704
 705         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 706 }
 707
 708 static GDBusMethodTable device_methods[] = {
 709         { "GetProperties", "",      "a{sv}", get_properties },
 710         { "SetProperty",   "sv",    "",      set_property,
 711                                                 G_DBUS_METHOD_FLAG_ASYNC },
 712         { "JoinNetwork",   "a{sv}", "",      join_network   },
 713         { "CreateNetwork", "a{sv}", "o",     create_network },
 714         { "RemoveNetwork", "o",     "",      remove_network },
 715         { "ProposeScan",   "",      "",      propose_scan   },
 716         { },
 717 };
 718
 719 static GDBusSignalTable device_signals[] = {
 720         { "PropertyChanged", "sv" },
 721         { },
 722 };
 723
 724 static void append_devices(DBusMessageIter *entry)
 725 {
 726         DBusMessageIter value, iter;
 727         const char *key = "Devices";
 728
 729         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 730
 731         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 732                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 733                                                                 &value);
 734
 735         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 736                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 737         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 738         dbus_message_iter_close_container(&value, &iter);
 739
 740         dbus_message_iter_close_container(entry, &value);
 741 }
 742
 743 static void emit_devices_signal(void)
 744 {
 745         DBusMessage *signal;
 746         DBusMessageIter entry;
 747
 748         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 749                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 750         if (signal == NULL)
 751                 return;
 752
 753         dbus_message_iter_init_append(signal, &entry);
 754
 755         append_devices(&entry);
 756
 757         g_dbus_send_message(connection, signal);
 758 }
 759
 760 static int register_interface(struct connman_element *element)
 761 {
 762         struct connman_device *device = element->device;
 763
 764         DBG("element %p name %s", element, element->name);
 765
 766         if (g_dbus_register_interface(connection, element->path,
 767                                         CONNMAN_DEVICE_INTERFACE,
 768                                         device_methods, device_signals,
 769                                         NULL, device, NULL) == FALSE) {
 770                 connman_error("Failed to register %s device", element->path);
 771                 return -EIO;
 772         }
 773
 774         device->registered = TRUE;
 775
 776         emit_devices_signal();
 777
 778         return 0;
 779 }
 780
 781 static void unregister_interface(struct connman_element *element)
 782 {
 783         struct connman_device *device = element->device;
 784
 785         DBG("element %p name %s", element, element->name);
 786
 787         device->registered = FALSE;
 788
 789         emit_devices_signal();
 790
 791         g_dbus_unregister_interface(connection, element->path,
 792                                                 CONNMAN_DEVICE_INTERFACE);
 793 }
 794
 795 static void device_enable(struct connman_device *device)
 796 {
 797         DBG("device %p", device);
 798
 799         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 800                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 801                 return;
 802
 803         if (device->powered == TRUE)
 804                 return;
 805
 806         if (device->driver->enable) {
 807                 device->driver->enable(device);
 808                 __connman_notifier_device_type_increase(device->type);
 809         }
 810 }
 811
 812 static void device_disable(struct connman_device *device)
 813 {
 814         DBG("device %p", device);
 815
 816         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 817                 return;
 818
 819         if (device->powered == FALSE)
 820                 return;
 821
 822         g_hash_table_remove_all(device->networks);
 823
 824         if (device->driver->disable) {
 825                 device->driver->disable(device);
 826                 __connman_notifier_device_type_decrease(device->type);
 827         }
 828 }
 829
 830 static int setup_device(struct connman_device *device)
 831 {
 832         int err;
 833
 834         DBG("device %p", device);
 835
 836         err = register_interface(&device->element);
 837         if (err < 0) {
 838                 if (device->driver->remove)
 839                         device->driver->remove(device);
 840                 device->driver = NULL;
 841                 return err;
 842         }
 843
 844         switch (device->mode) {
 845         case CONNMAN_DEVICE_MODE_UNKNOWN:
 846         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 847         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 848                 break;
 849         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 850                 if (device->secondary == FALSE)
 851                         __connman_profile_add_device(device);
 852                 break;
 853         }
 854
 855         device_enable(device);
 856
 857         return 0;
 858 }
 859
 860 static void probe_driver(struct connman_element *element, gpointer user_data)
 861 {
 862         struct connman_device_driver *driver = user_data;
 863
 864         DBG("element %p name %s", element, element->name);
 865
 866         if (element->device == NULL)
 867                 return;
 868
 869         if (element->device->driver != NULL)
 870                 return;
 871
 872         if (driver->type != element->device->type)
 873                 return;
 874
 875         if (driver->probe(element->device) < 0)
 876                 return;
 877
 878         element->device->driver = driver;
 879
 880         setup_device(element->device);
 881 }
 882
 883 static void remove_device(struct connman_device *device)
 884 {
 885         DBG("device %p", device);
 886
 887         device_disable(device);
 888
 889         switch (device->mode) {
 890         case CONNMAN_DEVICE_MODE_UNKNOWN:
 891         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 892         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 893                 break;
 894         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 895                 if (device->secondary == FALSE)
 896                         __connman_profile_remove_device(device);
 897                 break;
 898         }
 899
 900         unregister_interface(&device->element);
 901
 902         if (device->driver->remove)
 903                 device->driver->remove(device);
 904
 905         device->driver = NULL;
 906 }
 907
 908 static void remove_driver(struct connman_element *element, gpointer user_data)
 909 {
 910         struct connman_device_driver *driver = user_data;
 911
 912         DBG("element %p name %s", element, element->name);
 913
 914         if (element->device == NULL)
 915                 return;
 916
 917         if (element->device->driver == driver)
 918                 remove_device(element->device);
 919 }
 920
 921 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 922 {
 923         if (device == NULL || device->driver == NULL)
 924                 return FALSE;
 925
 926         return device->registered;
 927 }
 928
 929 static GSList *driver_list = NULL;
 930
 931 static gint compare_priority(gconstpointer a, gconstpointer b)
 932 {
 933         const struct connman_device_driver *driver1 = a;
 934         const struct connman_device_driver *driver2 = b;
 935
 936         return driver2->priority - driver1->priority;
 937 }
 938
 939 /**
 940  * connman_device_driver_register:
 941  * @driver: device driver definition
 942  *
 943  * Register a new device driver
 944  *
 945  * Returns: %0 on success
 946  */
 947 int connman_device_driver_register(struct connman_device_driver *driver)
 948 {
 949         DBG("driver %p name %s", driver, driver->name);
 950
 951         driver_list = g_slist_insert_sorted(driver_list, driver,
 952                                                         compare_priority);
 953
 954         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 955                                                 probe_driver, driver);
 956
 957         return 0;
 958 }
 959
 960 /**
 961  * connman_device_driver_unregister:
 962  * @driver: device driver definition
 963  *
 964  * Remove a previously registered device driver
 965  */
 966 void connman_device_driver_unregister(struct connman_device_driver *driver)
 967 {
 968         DBG("driver %p name %s", driver, driver->name);
 969
 970         driver_list = g_slist_remove(driver_list, driver);
 971
 972         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 973                                                 remove_driver, driver);
 974 }
 975
 976 static void unregister_network(gpointer data)
 977 {
 978         struct connman_network *network = data;
 979
 980         DBG("network %p", network);
 981
 982         connman_element_unregister((struct connman_element *) network);
 983
 984         connman_network_unref(network);
 985 }
 986
 987 static void device_destruct(struct connman_element *element)
 988 {
 989         struct connman_device *device = element->device;
 990
 991         DBG("element %p name %s", element, element->name);
 992
 993         g_free(device->ident);
 994         g_free(device->node);
 995         g_free(device->name);
 996         g_free(device->address);
 997         g_free(device->interface);
 998
 999         g_free(device->last_network);
1000
1001         g_hash_table_destroy(device->networks);
1002         device->networks = NULL;
1003 }
1004
1005 /**
1006  * connman_device_create:
1007  * @node: device node name (for example an address)
1008  * @type: device type
1009  *
1010  * Allocate a new device of given #type and assign the #node name to it.
1011  *
1012  * Returns: a newly-allocated #connman_device structure
1013  */
1014 struct connman_device *connman_device_create(const char *node,
1015                                                 enum connman_device_type type)
1016 {
1017         struct connman_device *device;
1018         const char *str;
1019
1020         DBG("node %s type %d", node, type);
1021
1022         device = g_try_new0(struct connman_device, 1);
1023         if (device == NULL)
1024                 return NULL;
1025
1026         DBG("device %p", device);
1027
1028         __connman_element_initialize(&device->element);
1029
1030         device->element.name = g_strdup(node);
1031         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
1032
1033         device->element.device = device;
1034         device->element.destruct = device_destruct;
1035
1036         str = type2string(type);
1037         if (str != NULL)
1038                 connman_element_set_string(&device->element,
1039                                         CONNMAN_PROPERTY_ID_TYPE, str);
1040
1041         device->element.ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
1042
1043         device->type      = type;
1044         device->name      = g_strdup(type2description(device->type));
1045         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
1046         device->policy    = CONNMAN_DEVICE_POLICY_AUTO;
1047         device->secondary = FALSE;
1048
1049         switch (type) {
1050         case CONNMAN_DEVICE_TYPE_UNKNOWN:
1051         case CONNMAN_DEVICE_TYPE_VENDOR:
1052                 device->scan_interval = 0;
1053                 break;
1054         case CONNMAN_DEVICE_TYPE_ETHERNET:
1055         case CONNMAN_DEVICE_TYPE_WIFI:
1056                 device->scan_interval = 300;
1057                 break;
1058         case CONNMAN_DEVICE_TYPE_WIMAX:
1059                 device->scan_interval = 0;
1060                 break;
1061         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
1062                 device->scan_interval = 0;
1063                 break;
1064         case CONNMAN_DEVICE_TYPE_GPS:
1065                 device->scan_interval = 0;
1066                 break;
1067         case CONNMAN_DEVICE_TYPE_HSO:
1068         case CONNMAN_DEVICE_TYPE_NOZOMI:
1069         case CONNMAN_DEVICE_TYPE_HUAWEI:
1070         case CONNMAN_DEVICE_TYPE_NOVATEL:
1071                 device->scan_interval = 0;
1072                 break;
1073         }
1074
1075         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
1076                                                 g_free, unregister_network);
1077
1078         return device;
1079 }
1080
1081 /**
1082  * connman_device_ref:
1083  * @device: device structure
1084  *
1085  * Increase reference counter of device
1086  */
1087 struct connman_device *connman_device_ref(struct connman_device *device)
1088 {
1089         if (connman_element_ref(&device->element) == NULL)
1090                 return NULL;
1091
1092         return device;
1093 }
1094
1095 /**
1096  * connman_device_unref:
1097  * @device: device structure
1098  *
1099  * Decrease reference counter of device
1100  */
1101 void connman_device_unref(struct connman_device *device)
1102 {
1103         if (device->timeout > 0) {
1104                 g_source_remove(device->timeout);
1105                 device->timeout = 0;
1106         }
1107
1108         if (device->pending != NULL) {
1109                 dbus_message_unref(device->pending);
1110                 device->pending = NULL;
1111         }
1112
1113         connman_element_unref(&device->element);
1114 }
1115
1116 const char *__connman_device_get_type(struct connman_device *device)
1117 {
1118         return type2string(device->type);
1119 }
1120
1121 /**
1122  * connman_device_get_type:
1123  * @device: device structure
1124  *
1125  * Get type of device
1126  */
1127 enum connman_device_type connman_device_get_type(struct connman_device *device)
1128 {
1129         return device->type;
1130 }
1131
1132 /**
1133  * connman_device_get_name:
1134  * @device: device structure
1135  *
1136  * Get unique name of device
1137  */
1138 const char *connman_device_get_name(struct connman_device *device)
1139 {
1140         return device->element.name;
1141 }
1142
1143 /**
1144  * connman_device_get_path:
1145  * @device: device structure
1146  *
1147  * Get path name of device
1148  */
1149 const char *connman_device_get_path(struct connman_device *device)
1150 {
1151         return device->element.path;
1152 }
1153
1154 /**
1155  * connman_device_set_index:
1156  * @device: device structure
1157  * @index: index number
1158  *
1159  * Set index number of device
1160  */
1161 void connman_device_set_index(struct connman_device *device, int index)
1162 {
1163         device->element.index = index;
1164 }
1165
1166 /**
1167  * connman_device_get_index:
1168  * @device: device structure
1169  *
1170  * Get index number of device
1171  */
1172 int connman_device_get_index(struct connman_device *device)
1173 {
1174         return device->element.index;
1175 }
1176
1177 /**
1178  * connman_device_set_interface:
1179  * @device: device structure
1180  * @interface: interface name
1181  *
1182  * Set interface name of device
1183  */
1184 void connman_device_set_interface(struct connman_device *device,
1185                                                         const char *interface)
1186 {
1187         g_free(device->element.devname);
1188         device->element.devname = g_strdup(interface);
1189
1190         g_free(device->interface);
1191         device->interface = g_strdup(interface);
1192
1193         if (device->name == NULL) {
1194                 const char *str = type2description(device->type);
1195                 if (str != NULL && device->interface != NULL)
1196                         device->name = g_strdup_printf("%s (%s)", str,
1197                                                         device->interface);
1198         }
1199 }
1200
1201 /**
1202  * connman_device_get_interface:
1203  * @device: device structure
1204  *
1205  * Get interface name of device
1206  */
1207 const char *connman_device_get_interface(struct connman_device *device)
1208 {
1209         return device->interface;
1210 }
1211
1212 /**
1213  * connman_device_set_ident:
1214  * @device: device structure
1215  * @ident: unique identifier
1216  *
1217  * Set unique identifier of device
1218  */
1219 void connman_device_set_ident(struct connman_device *device,
1220                                                         const char *ident)
1221 {
1222         g_free(device->ident);
1223         device->ident = g_strdup(ident);
1224 }
1225
1226 const char *__connman_device_get_ident(struct connman_device *device)
1227 {
1228         return device->ident;
1229 }
1230
1231 /**
1232  * connman_device_set_policy:
1233  * @device: device structure
1234  * @policy: power and connection policy
1235  *
1236  * Change power and connection policy of device
1237  */
1238 void connman_device_set_policy(struct connman_device *device,
1239                                         enum connman_device_policy policy)
1240 {
1241         device->policy = policy;
1242 }
1243
1244 /**
1245  * connman_device_set_mode:
1246  * @device: device structure
1247  * @mode: network mode
1248  *
1249  * Change network mode of device
1250  */
1251 void connman_device_set_mode(struct connman_device *device,
1252                                                 enum connman_device_mode mode)
1253 {
1254         device->mode = mode;
1255 }
1256
1257 /**
1258  * connman_device_get_mode:
1259  * @device: device structure
1260  *
1261  * Get network mode of device
1262  */
1263 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1264 {
1265         return device->mode;
1266 }
1267
1268 /**
1269  * connman_device_set_secondary:
1270  * @device: device structure
1271  * @secondary: secondary value
1272  *
1273  * Change secondary value of device
1274  */
1275 void connman_device_set_secondary(struct connman_device *device,
1276                                                 connman_bool_t secondary)
1277 {
1278         device->secondary = secondary;
1279 }
1280
1281 /**
1282  * connman_device_get_secondary:
1283  * @device: device structure
1284  *
1285  * Get secondary value of device
1286  */
1287 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1288 {
1289         return device->secondary;
1290 }
1291
1292 /**
1293  * connman_device_set_powered:
1294  * @device: device structure
1295  * @powered: powered state
1296  *
1297  * Change power state of device
1298  */
1299 int connman_device_set_powered(struct connman_device *device,
1300                                                 connman_bool_t powered)
1301 {
1302         DBusMessage *signal;
1303         DBusMessageIter entry, value;
1304         const char *key = "Powered";
1305
1306         DBG("driver %p powered %d", device, powered);
1307
1308         if (device->timeout > 0) {
1309                 g_source_remove(device->timeout);
1310                 device->timeout = 0;
1311         }
1312
1313         if (device->pending != NULL) {
1314                 g_dbus_send_reply(connection, device->pending,
1315                                                         DBUS_TYPE_INVALID);
1316
1317                 dbus_message_unref(device->pending);
1318         }
1319
1320         if (device->powered == powered)
1321                 return -EALREADY;
1322
1323         device->powered = powered;
1324
1325         if (device->registered == FALSE)
1326                 return 0;
1327
1328         signal = dbus_message_new_signal(device->element.path,
1329                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1330         if (signal == NULL)
1331                 return 0;
1332
1333         dbus_message_iter_init_append(signal, &entry);
1334
1335         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1336
1337         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1338                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1339         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1340         dbus_message_iter_close_container(&entry, &value);
1341
1342         g_dbus_send_message(connection, signal);
1343
1344         if (powered == FALSE)
1345                 return 0;
1346
1347         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1348                 return 0;
1349
1350         if (device->scan_timeout > 0) {
1351                 g_source_remove(device->scan_timeout);
1352                 device->scan_timeout = 0;
1353         }
1354
1355         if (device->scan_interval > 0) {
1356                 guint interval = device->scan_interval;
1357                 device->scan_timeout = g_timeout_add_seconds(interval,
1358                                         device_scan_trigger, device);
1359         }
1360
1361         if (device->driver->scan)
1362                 device->driver->scan(device);
1363
1364         return 0;
1365 }
1366
1367 /**
1368  * connman_device_set_carrier:
1369  * @device: device structure
1370  * @carrier: carrier state
1371  *
1372  * Change carrier state of device (only for device without scanning)
1373  */
1374 int connman_device_set_carrier(struct connman_device *device,
1375                                                 connman_bool_t carrier)
1376 {
1377         DBG("driver %p carrier %d", device, carrier);
1378
1379         switch (device->mode) {
1380         case CONNMAN_DEVICE_MODE_UNKNOWN:
1381         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1382         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1383                 return -EINVAL;
1384         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1385                 break;
1386         }
1387
1388         if (device->carrier == carrier)
1389                 return -EALREADY;
1390
1391         device->carrier = carrier;
1392
1393         return set_carrier(device, device->carrier);
1394 }
1395
1396 int __connman_device_connect(struct connman_device *device)
1397 {
1398         DBG("device %p", device);
1399
1400         if (device->disconnected == FALSE)
1401                 return -EINVAL;
1402
1403         if (device->driver && device->driver->connect)
1404                 device->driver->connect(device);
1405
1406         return 0;
1407 }
1408
1409 int __connman_device_disconnect(struct connman_device *device)
1410 {
1411         GHashTableIter iter;
1412         gpointer key, value;
1413
1414         DBG("device %p", device);
1415
1416         connman_device_set_disconnected(device, TRUE);
1417
1418         g_hash_table_iter_init(&iter, device->networks);
1419
1420         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1421                 struct connman_network *network = value;
1422
1423                 if (connman_network_get_connected(network) == TRUE)
1424                         __connman_network_disconnect(network);
1425         }
1426
1427         if (device->driver && device->driver->disconnect)
1428                 device->driver->disconnect(device);
1429
1430         return 0;
1431 }
1432
1433 static void connect_known_network(struct connman_device *device)
1434 {
1435         struct connman_network *network = NULL;
1436         GHashTableIter iter;
1437         gpointer key, value;
1438         const char *name;
1439         unsigned int count = 0;
1440
1441         DBG("device %p", device);
1442
1443         g_hash_table_iter_init(&iter, device->networks);
1444
1445         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1446                 connman_uint8_t old_strength, new_strength;
1447
1448                 count++;
1449
1450                 if (connman_network_get_available(value) == FALSE)
1451                         continue;
1452
1453                 name = connman_network_get_string(value,
1454                                                 CONNMAN_PROPERTY_ID_NAME);
1455                 if (name != NULL && device->last_network != NULL) {
1456                         if (g_str_equal(name, device->last_network) == TRUE) {
1457                                 network = value;
1458                                 break;
1459                         }
1460                 }
1461
1462                 if (network == NULL) {
1463                         network = value;
1464                         continue;
1465                 }
1466
1467                 old_strength = connman_network_get_uint8(network,
1468                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1469                 new_strength = connman_network_get_uint8(value,
1470                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1471
1472                 if (new_strength > old_strength)
1473                         network = value;
1474         }
1475
1476         if (network != NULL) {
1477                 int err;
1478
1479                 name = connman_network_get_string(value,
1480                                                 CONNMAN_PROPERTY_ID_NAME);
1481                 if (name != NULL) {
1482                         err = __connman_network_connect(network);
1483                         if (err == 0 || err == -EINPROGRESS)
1484                                 return;
1485                 }
1486         }
1487
1488         if (count > 0)
1489                 return;
1490
1491         if (device->driver && device->driver->scan)
1492                 device->driver->scan(device);
1493 }
1494
1495 static void mark_network_unavailable(gpointer key, gpointer value,
1496                                                         gpointer user_data)
1497 {
1498         struct connman_network *network = value;
1499
1500         if (connman_network_get_connected(network) == TRUE)
1501                 return;
1502
1503         connman_network_set_available(network, FALSE);
1504 }
1505
1506 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1507                                                         gpointer user_data)
1508 {
1509         struct connman_network *network = value;
1510
1511         if (connman_network_get_connected(network) == TRUE)
1512                 return FALSE;
1513
1514         if (connman_network_get_available(network) == TRUE)
1515                 return FALSE;
1516
1517         return TRUE;
1518 }
1519
1520 /**
1521  * connman_device_set_scanning:
1522  * @device: device structure
1523  * @scanning: scanning state
1524  *
1525  * Change scanning state of device
1526  */
1527 int connman_device_set_scanning(struct connman_device *device,
1528                                                 connman_bool_t scanning)
1529 {
1530         DBusMessage *signal;
1531         DBusMessageIter entry, value;
1532         const char *key = "Scanning";
1533
1534         DBG("driver %p scanning %d", device, scanning);
1535
1536         if (!device->driver || !device->driver->scan)
1537                 return -EINVAL;
1538
1539         if (device->scanning == scanning)
1540                 return -EALREADY;
1541
1542         device->scanning = scanning;
1543
1544         signal = dbus_message_new_signal(device->element.path,
1545                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1546         if (signal == NULL)
1547                 return 0;
1548
1549         dbus_message_iter_init_append(signal, &entry);
1550
1551         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1552
1553         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1554                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1555         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1556         dbus_message_iter_close_container(&entry, &value);
1557
1558         g_dbus_send_message(connection, signal);
1559
1560         if (scanning == TRUE) {
1561                 if (device->scan_timeout > 0) {
1562                         g_source_remove(device->scan_timeout);
1563                         device->scan_timeout = 0;
1564                 }
1565
1566                 if (device->scan_interval > 0) {
1567                         guint interval = device->scan_interval;
1568                         device->scan_timeout = g_timeout_add_seconds(interval,
1569                                                 device_scan_trigger, device);
1570                 }
1571
1572                 g_hash_table_foreach(device->networks,
1573                                         mark_network_unavailable, NULL);
1574                 return 0;
1575         }
1576
1577         g_hash_table_foreach_remove(device->networks,
1578                                         remove_unavailable_network, NULL);
1579
1580         if (device->connections > 0)
1581                 return 0;
1582
1583         if (device->disconnected == TRUE)
1584                 return 0;
1585
1586         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1587                 return 0;
1588
1589         connect_known_network(device);
1590
1591         return 0;
1592 }
1593
1594 /**
1595  * connman_device_set_disconnected:
1596  * @device: device structure
1597  * @disconnected: disconnected state
1598  *
1599  * Change disconnected state of device (only for device with networks)
1600  */
1601 int connman_device_set_disconnected(struct connman_device *device,
1602                                                 connman_bool_t disconnected)
1603 {
1604         DBG("driver %p disconnected %d", device, disconnected);
1605
1606         switch (device->mode) {
1607         case CONNMAN_DEVICE_MODE_UNKNOWN:
1608         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1609                 return -EINVAL;
1610         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1611         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1612                 break;
1613         }
1614
1615         if (device->disconnected == disconnected)
1616                 return -EALREADY;
1617
1618         device->disconnected = disconnected;
1619
1620         return 0;
1621 }
1622
1623 /**
1624  * connman_device_set_string:
1625  * @device: device structure
1626  * @key: unique identifier
1627  * @value: string value
1628  *
1629  * Set string value for specific key
1630  */
1631 int connman_device_set_string(struct connman_device *device,
1632                                         const char *key, const char *value)
1633 {
1634         DBG("device %p key %s value %s", device, key, value);
1635
1636         if (g_str_equal(key, "Address") == TRUE) {
1637                 g_free(device->address);
1638                 device->address = g_strdup(value);
1639         } else if (g_str_equal(key, "Name") == TRUE) {
1640                 g_free(device->name);
1641                 device->name = g_strdup(value);
1642         } else if (g_str_equal(key, "Node") == TRUE) {
1643                 g_free(device->node);
1644                 device->node = g_strdup(value);
1645         }
1646
1647         return connman_element_set_string(&device->element, key, value);
1648 }
1649
1650 /**
1651  * connman_device_get_string:
1652  * @device: device structure
1653  * @key: unique identifier
1654  *
1655  * Get string value for specific key
1656  */
1657 const char *connman_device_get_string(struct connman_device *device,
1658                                                         const char *key)
1659 {
1660         DBG("device %p key %s", device, key);
1661
1662         if (g_str_equal(key, "Address") == TRUE)
1663                 return device->address;
1664         else if (g_str_equal(key, "Name") == TRUE)
1665                 return device->name;
1666         else if (g_str_equal(key, "Node") == TRUE)
1667                 return device->node;
1668
1669         return connman_element_get_string(&device->element, key);
1670 }
1671
1672 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1673 {
1674         struct connman_device *device = element->device;
1675         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1676         connman_bool_t powered;
1677
1678         DBG("element %p name %s", element, element->name);
1679
1680         if (device == NULL)
1681                 return;
1682
1683         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1684
1685         if (device->powered == powered)
1686                 return;
1687
1688         set_powered(device, powered);
1689 }
1690
1691 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1692 {
1693         DBG("offlinmode %d", offlinemode);
1694
1695         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1696                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1697
1698         __connman_notifier_offline_mode(offlinemode);
1699
1700         return 0;
1701 }
1702
1703 void __connman_device_increase_connections(struct connman_device *device)
1704 {
1705         device->connections++;
1706 }
1707
1708 void __connman_device_decrease_connections(struct connman_device *device)
1709 {
1710         device->connections--;
1711 }
1712
1713 /**
1714  * connman_device_add_network:
1715  * @device: device structure
1716  * @network: network structure
1717  *
1718  * Add new network to the device
1719  */
1720 int connman_device_add_network(struct connman_device *device,
1721                                         struct connman_network *network)
1722 {
1723         const char *identifier = connman_network_get_identifier(network);
1724         int err;
1725
1726         DBG("device %p network %p", device, network);
1727
1728         switch (device->mode) {
1729         case CONNMAN_DEVICE_MODE_UNKNOWN:
1730         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1731                 return -EINVAL;
1732         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1733         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1734                 break;
1735         }
1736
1737         __connman_network_set_device(network, device);
1738
1739         __connman_storage_load_network(network);
1740
1741         err = connman_element_register((struct connman_element *) network,
1742                                                         &device->element);
1743         if (err < 0) {
1744                 __connman_network_set_device(network, NULL);
1745                 return err;
1746         }
1747
1748         g_hash_table_insert(device->networks, g_strdup(identifier),
1749                                                                 network);
1750
1751         return 0;
1752 }
1753
1754 /**
1755  * connman_device_get_network:
1756  * @device: device structure
1757  * @identifier: network identifier
1758  *
1759  * Get network for given identifier
1760  */
1761 struct connman_network *connman_device_get_network(struct connman_device *device,
1762                                                         const char *identifier)
1763 {
1764         DBG("device %p identifier %s", device, identifier);
1765
1766         return g_hash_table_lookup(device->networks, identifier);
1767 }
1768
1769 /**
1770  * connman_device_remove_network:
1771  * @device: device structure
1772  * @identifier: network identifier
1773  *
1774  * Remove network for given identifier
1775  */
1776 int connman_device_remove_network(struct connman_device *device,
1777                                                         const char *identifier)
1778 {
1779         DBG("device %p identifier %s", device, identifier);
1780
1781         g_hash_table_remove(device->networks, identifier);
1782
1783         return 0;
1784 }
1785
1786 void __connman_device_set_network(struct connman_device *device,
1787                                         struct connman_network *network)
1788 {
1789         const char *name;
1790
1791         if (device->network == network)
1792                 return;
1793
1794         if (device->network != NULL)
1795                 connman_network_unref(device->network);
1796
1797         if (network != NULL) {
1798                 name = connman_network_get_string(network,
1799                                                 CONNMAN_PROPERTY_ID_NAME);
1800                 g_free(device->last_network);
1801                 device->last_network = g_strdup(name);
1802
1803                 device->network = connman_network_ref(network);
1804         } else {
1805                 g_free(device->last_network);
1806                 device->last_network = NULL;
1807
1808                 device->network = NULL;
1809         }
1810 }
1811
1812 /**
1813  * connman_device_register:
1814  * @device: device structure
1815  *
1816  * Register device with the system
1817  */
1818 int connman_device_register(struct connman_device *device)
1819 {
1820         __connman_storage_load_device(device);
1821
1822         switch (device->mode) {
1823         case CONNMAN_DEVICE_MODE_UNKNOWN:
1824         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1825                 break;
1826         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1827         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1828                 __connman_storage_init_network(device);
1829                 break;
1830         }
1831
1832         return connman_element_register(&device->element, NULL);
1833 }
1834
1835 /**
1836  * connman_device_unregister:
1837  * @device: device structure
1838  *
1839  * Unregister device with the system
1840  */
1841 void connman_device_unregister(struct connman_device *device)
1842 {
1843         __connman_storage_save_device(device);
1844
1845         connman_element_unregister(&device->element);
1846 }
1847
1848 /**
1849  * connman_device_get_data:
1850  * @device: device structure
1851  *
1852  * Get private device data pointer
1853  */
1854 void *connman_device_get_data(struct connman_device *device)
1855 {
1856         return device->driver_data;
1857 }
1858
1859 /**
1860  * connman_device_set_data:
1861  * @device: device structure
1862  * @data: data pointer
1863  *
1864  * Set private device data pointer
1865  */
1866 void connman_device_set_data(struct connman_device *device, void *data)
1867 {
1868         device->driver_data = data;
1869 }
1870
1871 static gboolean match_driver(struct connman_device *device,
1872                                         struct connman_device_driver *driver)
1873 {
1874         if (device->type == driver->type ||
1875                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1876                 return TRUE;
1877
1878         return FALSE;
1879 }
1880
1881 static int device_probe(struct connman_element *element)
1882 {
1883         struct connman_device *device = element->device;
1884         GSList *list;
1885
1886         DBG("element %p name %s", element, element->name);
1887
1888         if (device == NULL)
1889                 return -ENODEV;
1890
1891         if (device->driver != NULL)
1892                 return -EALREADY;
1893
1894         for (list = driver_list; list; list = list->next) {
1895                 struct connman_device_driver *driver = list->data;
1896
1897                 if (match_driver(device, driver) == FALSE)
1898                         continue;
1899
1900                 DBG("driver %p name %s", driver, driver->name);
1901
1902                 if (driver->probe(device) == 0) {
1903                         device->driver = driver;
1904                         break;
1905                 }
1906         }
1907
1908         if (device->driver == NULL)
1909                 return -ENODEV;
1910
1911         return setup_device(device);
1912 }
1913
1914 static void device_remove(struct connman_element *element)
1915 {
1916         struct connman_device *device = element->device;
1917
1918         DBG("element %p name %s", element, element->name);
1919
1920         if (device == NULL)
1921                 return;
1922
1923         if (device->driver == NULL)
1924                 return;
1925
1926         remove_device(device);
1927 }
1928
1929 static struct connman_driver device_driver = {
1930         .name           = "device",
1931         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1932         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1933         .probe          = device_probe,
1934         .remove         = device_remove,
1935 };
1936
1937 static int device_load(struct connman_device *device)
1938 {
1939         GKeyFile *keyfile;
1940         gchar *pathname, *identifier, *data = NULL;
1941         gsize length;
1942         char *str;
1943         int val;
1944
1945         DBG("device %p", device);
1946
1947         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1948                                         __connman_profile_active_ident());
1949         if (pathname == NULL)
1950                 return -ENOMEM;
1951
1952         keyfile = g_key_file_new();
1953
1954         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1955                 g_free(pathname);
1956                 return -ENOENT;
1957         }
1958
1959         g_free(pathname);
1960
1961         if (g_key_file_load_from_data(keyfile, data, length,
1962                                                         0, NULL) == FALSE) {
1963                 g_free(data);
1964                 return -EILSEQ;
1965         }
1966
1967         g_free(data);
1968
1969         identifier = g_strdup_printf("device_%s", device->element.name);
1970         if (identifier == NULL)
1971                 goto done;
1972
1973         str = g_key_file_get_string(keyfile, identifier, "Policy", NULL);
1974         if (str != NULL) {
1975                 device->policy = string2policy(str);
1976                 g_free(str);
1977         }
1978
1979         switch (device->mode) {
1980         case CONNMAN_DEVICE_MODE_UNKNOWN:
1981         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1982                 break;
1983         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1984         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1985                 val = g_key_file_get_integer(keyfile, identifier,
1986                                                         "ScanInterval", NULL);
1987                 if (val > 0)
1988                         device->scan_interval = val;
1989                 break;
1990         }
1991
1992 done:
1993         g_key_file_free(keyfile);
1994
1995         g_free(identifier);
1996
1997         return 0;
1998 }
1999
2000 static int device_save(struct connman_device *device)
2001 {
2002         GKeyFile *keyfile;
2003         gchar *pathname, *identifier = NULL, *data = NULL;
2004         gsize length;
2005         const char *str;
2006
2007         DBG("device %p", device);
2008
2009         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
2010                                         __connman_profile_active_ident());
2011         if (pathname == NULL)
2012                 return -ENOMEM;
2013
2014         keyfile = g_key_file_new();
2015
2016         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
2017                 goto update;
2018
2019         if (length > 0) {
2020                 if (g_key_file_load_from_data(keyfile, data, length,
2021                                                         0, NULL) == FALSE)
2022                         goto done;
2023         }
2024
2025         g_free(data);
2026
2027 update:
2028         identifier = g_strdup_printf("device_%s", device->element.name);
2029         if (identifier == NULL)
2030                 goto done;
2031
2032         str = policy2string(device->policy);
2033         if (str != NULL)
2034                 g_key_file_set_string(keyfile, identifier, "Policy", str);
2035
2036         switch (device->mode) {
2037         case CONNMAN_DEVICE_MODE_UNKNOWN:
2038         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
2039                 break;
2040         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
2041         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
2042                 if (device->scan_interval > 0)
2043                         g_key_file_set_integer(keyfile, identifier,
2044                                         "ScanInterval", device->scan_interval);
2045                 break;
2046         }
2047
2048         data = g_key_file_to_data(keyfile, &length, NULL);
2049
2050         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
2051                 connman_error("Failed to store device information");
2052
2053 done:
2054         g_free(data);
2055
2056         g_key_file_free(keyfile);
2057
2058         g_free(identifier);
2059         g_free(pathname);
2060
2061         return 0;
2062 }
2063
2064 static struct connman_storage device_storage = {
2065         .name           = "device",
2066         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
2067         .device_load    = device_load,
2068         .device_save    = device_save,
2069 };
2070
2071 int __connman_device_init(void)
2072 {
2073         DBG("");
2074
2075         connection = connman_dbus_get_connection();
2076
2077         if (connman_storage_register(&device_storage) < 0)
2078                 connman_error("Failed to register device storage");
2079
2080         return connman_driver_register(&device_driver);
2081 }
2082
2083 void __connman_device_cleanup(void)
2084 {
2085         DBG("");
2086
2087         connman_driver_unregister(&device_driver);
2088
2089         connman_storage_unregister(&device_storage);
2090
2091         dbus_connection_unref(connection);
2092 }