src/device.c

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