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_MBM:
 101         case CONNMAN_DEVICE_TYPE_HSO:
 102         case CONNMAN_DEVICE_TYPE_NOZOMI:
 103         case CONNMAN_DEVICE_TYPE_HUAWEI:
 104         case CONNMAN_DEVICE_TYPE_NOVATEL:
 105                 return "Cellular";
 106         }
 107
 108         return NULL;
 109 }
 110
 111 static const char *type2string(enum connman_device_type type)
 112 {
 113         switch (type) {
 114         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 115         case CONNMAN_DEVICE_TYPE_VENDOR:
 116                 break;
 117         case CONNMAN_DEVICE_TYPE_ETHERNET:
 118                 return "ethernet";
 119         case CONNMAN_DEVICE_TYPE_WIFI:
 120                 return "wifi";
 121         case CONNMAN_DEVICE_TYPE_WIMAX:
 122                 return "wimax";
 123         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 124                 return "bluetooth";
 125         case CONNMAN_DEVICE_TYPE_GPS:
 126                 return "gps";
 127         case CONNMAN_DEVICE_TYPE_MBM:
 128         case CONNMAN_DEVICE_TYPE_HSO:
 129         case CONNMAN_DEVICE_TYPE_HUAWEI:
 130         case CONNMAN_DEVICE_TYPE_NOZOMI:
 131         case CONNMAN_DEVICE_TYPE_NOVATEL:
 132                 return "cellular";
 133         }
 134
 135         return NULL;
 136 }
 137
 138 static int set_connected(struct connman_device *device,
 139                                                 connman_bool_t connected)
 140 {
 141         if (connected == TRUE) {
 142                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 143                 struct connman_element *element;
 144
 145                 device->disconnected = TRUE;
 146
 147                 switch (device->element.ipv4.method) {
 148                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 149                 case CONNMAN_IPCONFIG_METHOD_OFF:
 150                         return 0;
 151                 case CONNMAN_IPCONFIG_METHOD_STATIC:
 152                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 153                         break;
 154                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 155                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 156                         break;
 157                 }
 158
 159                 element = connman_element_create(NULL);
 160                 if (element != NULL) {
 161                         struct connman_service *service;
 162
 163                         element->type  = type;
 164                         element->index = device->element.index;
 165
 166                         if (connman_element_register(element,
 167                                                         &device->element) < 0)
 168                                 connman_element_unref(element);
 169
 170                         device->disconnected = FALSE;
 171
 172                         service = __connman_service_lookup_from_device(device);
 173                         __connman_service_indicate_state(service,
 174                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 175                 }
 176         } else {
 177                 connman_element_unregister_children(&device->element);
 178
 179                 device->disconnected = TRUE;
 180         }
 181
 182         return 0;
 183 }
 184
 185 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 186 {
 187         struct connman_service *service;
 188
 189         service = __connman_service_lookup_from_device(device);
 190         __connman_service_set_carrier(service, carrier);
 191
 192         return set_connected(device, carrier);
 193 }
 194
 195 static int set_powered(struct connman_device *device, connman_bool_t powered)
 196 {
 197         struct connman_device_driver *driver = device->driver;
 198         int err;
 199
 200         DBG("device %p powered %d", device, powered);
 201
 202         if (!driver)
 203                 return -EINVAL;
 204
 205         if (powered == TRUE) {
 206                 if (driver->enable) {
 207                         err = driver->enable(device);
 208                         __connman_notifier_device_type_increase(device->type);
 209                 } else
 210                         err = -EINVAL;
 211         } else {
 212                 g_hash_table_remove_all(device->networks);
 213
 214                 set_carrier(device, FALSE);
 215
 216                 if (driver->disable) {
 217                         err = driver->disable(device);
 218                         __connman_notifier_device_type_decrease(device->type);
 219                 } else
 220                         err = -EINVAL;
 221         }
 222
 223         return err;
 224 }
 225
 226 static void append_path(gpointer key, gpointer value, gpointer user_data)
 227 {
 228         struct connman_element *element = value;
 229         DBusMessageIter *iter = user_data;
 230
 231         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 232                                                         &element->path);
 233 }
 234
 235 static void append_networks(struct connman_device *device,
 236                                                 DBusMessageIter *entry)
 237 {
 238         DBusMessageIter value, iter;
 239         const char *key = "Networks";
 240
 241         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 242
 243         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 244                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 245                                                                 &value);
 246
 247         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 248                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 249         g_hash_table_foreach(device->networks, append_path, &iter);
 250         dbus_message_iter_close_container(&value, &iter);
 251
 252         dbus_message_iter_close_container(entry, &value);
 253 }
 254
 255 static DBusMessage *get_properties(DBusConnection *conn,
 256                                         DBusMessage *msg, void *data)
 257 {
 258         struct connman_device *device = data;
 259         DBusMessage *reply;
 260         DBusMessageIter array, dict, entry;
 261         const char *str;
 262
 263         DBG("conn %p", conn);
 264
 265         if (__connman_security_check_privilege(msg,
 266                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 267                 return __connman_error_permission_denied(msg);
 268
 269         reply = dbus_message_new_method_return(msg);
 270         if (reply == NULL)
 271                 return NULL;
 272
 273         dbus_message_iter_init_append(reply, &array);
 274
 275         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 276                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 277                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 278                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 279
 280         if (device->name != NULL)
 281                 connman_dbus_dict_append_variant(&dict, "Name",
 282                                         DBUS_TYPE_STRING, &device->name);
 283
 284         str = type2string(device->type);
 285         if (str != NULL)
 286                 connman_dbus_dict_append_variant(&dict, "Type",
 287                                                 DBUS_TYPE_STRING, &str);
 288
 289         if (device->address != NULL)
 290                 connman_dbus_dict_append_variant(&dict, "Address",
 291                                         DBUS_TYPE_STRING, &device->address);
 292
 293         if (device->interface != NULL)
 294                 connman_dbus_dict_append_variant(&dict, "Interface",
 295                                         DBUS_TYPE_STRING, &device->interface);
 296
 297         connman_dbus_dict_append_variant(&dict, "Powered",
 298                                         DBUS_TYPE_BOOLEAN, &device->powered);
 299
 300         if (device->driver && device->driver->scan)
 301                 connman_dbus_dict_append_variant(&dict, "Scanning",
 302                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 303
 304         switch (device->mode) {
 305         case CONNMAN_DEVICE_MODE_UNKNOWN:
 306                 break;
 307         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 308                 __connman_element_append_ipv4(&device->element, &dict);
 309                 break;
 310         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 311         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 312                 if (device->scan_interval > 0)
 313                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 314                                 DBUS_TYPE_UINT16, &device->scan_interval);
 315
 316                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 317                                                                 NULL, &entry);
 318                 append_networks(device, &entry);
 319                 dbus_message_iter_close_container(&dict, &entry);
 320                 break;
 321         }
 322
 323         dbus_message_iter_close_container(&array, &dict);
 324
 325         return reply;
 326 }
 327
 328 static gboolean powered_timeout(gpointer user_data)
 329 {
 330         struct connman_device *device = user_data;
 331
 332         DBG("device %p", device);
 333
 334         device->timeout = 0;
 335
 336         if (device->pending != NULL) {
 337                 DBusMessage *reply;
 338
 339                 reply = __connman_error_operation_timeout(device->pending);
 340                 if (reply != NULL)
 341                         g_dbus_send_message(connection, reply);
 342
 343                 dbus_message_unref(device->pending);
 344                 device->pending = NULL;
 345         }
 346
 347         return FALSE;
 348 }
 349
 350 static DBusMessage *set_property(DBusConnection *conn,
 351                                         DBusMessage *msg, void *data)
 352 {
 353         struct connman_device *device = data;
 354         DBusMessageIter iter, value;
 355         const char *name;
 356         int type;
 357
 358         DBG("conn %p", conn);
 359
 360         if (dbus_message_iter_init(msg, &iter) == FALSE)
 361                 return __connman_error_invalid_arguments(msg);
 362
 363         dbus_message_iter_get_basic(&iter, &name);
 364         dbus_message_iter_next(&iter);
 365         dbus_message_iter_recurse(&iter, &value);
 366
 367         if (__connman_security_check_privilege(msg,
 368                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 369                 return __connman_error_permission_denied(msg);
 370
 371         type = dbus_message_iter_get_arg_type(&value);
 372
 373         if (g_str_equal(name, "Powered") == TRUE) {
 374                 connman_bool_t powered;
 375                 int err;
 376
 377                 if (type != DBUS_TYPE_BOOLEAN)
 378                         return __connman_error_invalid_arguments(msg);
 379
 380                 dbus_message_iter_get_basic(&value, &powered);
 381
 382                 if (device->powered == powered)
 383                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 384
 385                 if (device->pending != NULL)
 386                         return __connman_error_in_progress(msg);
 387
 388                 err = set_powered(device, powered);
 389                 if (err < 0) {
 390                         if (err != -EINPROGRESS)
 391                                 return __connman_error_failed(msg, -err);
 392
 393                         device->pending = dbus_message_ref(msg);
 394
 395                         device->timeout = g_timeout_add_seconds(15,
 396                                                 powered_timeout, device);
 397
 398                         return NULL;
 399                 }
 400         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 401                 connman_uint16_t interval;
 402
 403                 switch (device->mode) {
 404                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 405                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 406                         return __connman_error_invalid_arguments(msg);
 407                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 408                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 409                         break;
 410                 }
 411
 412                 if (type != DBUS_TYPE_UINT16)
 413                         return __connman_error_invalid_arguments(msg);
 414
 415                 dbus_message_iter_get_basic(&value, &interval);
 416
 417                 device->scan_interval = interval;
 418
 419                 if (device->scan_timeout > 0) {
 420                         g_source_remove(device->scan_timeout);
 421                         device->scan_timeout = 0;
 422                 }
 423
 424                 if (device->scan_interval > 0) {
 425                         guint interval = device->scan_interval;
 426                         device->scan_timeout = g_timeout_add_seconds(interval,
 427                                                 device_scan_trigger, device);
 428                 }
 429         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 430                 int err;
 431
 432                 switch (device->mode) {
 433                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 434                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 435                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 436                         return __connman_error_invalid_arguments(msg);
 437                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 438                         break;
 439                 }
 440
 441                 err = __connman_ipconfig_set_ipv4(device->ipconfig,
 442                                                         name + 5, &value);
 443                 if (err < 0)
 444                         return __connman_error_failed(msg, -err);
 445         } else
 446                 return __connman_error_invalid_property(msg);
 447
 448         __connman_storage_save_device(device);
 449
 450         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 451 }
 452
 453 static char *build_group(const unsigned char *ssid, unsigned int ssid_len,
 454                                         const char *mode, const char *security)
 455 {
 456         GString *str;
 457         unsigned int i;
 458
 459         str = g_string_sized_new((ssid_len * 2) + 24);
 460         if (str == NULL)
 461                 return NULL;
 462
 463         if (ssid_len > 0 && ssid[0] != '\0') {
 464                 for (i = 0; i < ssid_len; i++)
 465                         g_string_append_printf(str, "%02x", ssid[i]);
 466         }
 467
 468         g_string_append_printf(str, "_%s_%s", mode, security);
 469
 470         return g_string_free(str, FALSE);
 471 }
 472
 473 static void convert_name(const char *ssid, char *name,
 474                                                 unsigned int ssid_len)
 475 {
 476         unsigned int i;
 477
 478         for (i = 0; i < ssid_len; i++) {
 479                 if (g_ascii_isprint(ssid[i]))
 480                         name[i] = ssid[i];
 481                 else
 482                         name[i] = ' ';
 483         }
 484 }
 485
 486 static struct connman_network *find_network(struct connman_device *device,
 487                                         const void *ssid, const char *address,
 488                                         const char *security, const char *mode)
 489 {
 490         GHashTableIter network_iter;
 491         gpointer key, value;
 492
 493         if (ssid == NULL)
 494                 return NULL;
 495
 496         g_hash_table_iter_init(&network_iter, device->networks);
 497         while (g_hash_table_iter_next(&network_iter, &key, &value) == TRUE) {
 498                 const void *tmp_ssid;
 499                 const char *tmp_security, *tmp_mode, *tmp_address;
 500                 unsigned int tmp_ssid_size;
 501
 502                 tmp_ssid = connman_network_get_blob(value, "WiFi.SSID",
 503                                                         &tmp_ssid_size);
 504                 tmp_security = connman_network_get_string(value,
 505                                                         "WiFi.Security");
 506                 tmp_mode = connman_network_get_string(value, "WiFi.Mode");
 507                 tmp_address = connman_network_get_string(value, "Address");
 508
 509                 if (tmp_ssid_size < 1)
 510                         continue;
 511
 512                 if (tmp_ssid && memcmp(ssid, tmp_ssid, tmp_ssid_size))
 513                         continue;
 514
 515                 if (security && tmp_security &&
 516                                 g_strcmp0(security, tmp_security) != 0)
 517                         continue;
 518
 519                 if (mode && tmp_mode && g_strcmp0(mode, tmp_mode) != 0)
 520                         continue;
 521
 522                 if (address && tmp_address &&
 523                                 g_strcmp0(address, tmp_address) != 0)
 524                         continue;
 525
 526                 return connman_network_ref(value);
 527         }
 528
 529         return NULL;
 530 }
 531
 532 static DBusMessage *join_network(DBusConnection *conn,
 533                                         DBusMessage *msg, void *data)
 534 {
 535         struct connman_device *device = data;
 536         struct connman_network *network, *found_network;
 537         enum connman_network_type type;
 538         unsigned int ssid_size;
 539         const char *group, *mode, *security, *address;
 540         const void *ssid;
 541         DBusMessageIter iter, array;
 542         int err, index;
 543
 544         DBG("conn %p", conn);
 545
 546         if (__connman_security_check_privilege(msg,
 547                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 548                 return __connman_error_permission_denied(msg);
 549
 550         if (!device->driver || !device->driver->join)
 551                 return __connman_error_not_supported(msg);
 552
 553         dbus_message_iter_init(msg, &iter);
 554         dbus_message_iter_recurse(&iter, &array);
 555
 556         switch (device->type) {
 557         case CONNMAN_DEVICE_TYPE_WIFI:
 558                 type = CONNMAN_NETWORK_TYPE_WIFI;
 559                 break;
 560         default:
 561                 return __connman_error_not_supported(msg);
 562         }
 563
 564         network = connman_network_create("00_00_00_00_00_00", type);
 565         if (network == NULL)
 566                 return __connman_error_failed(msg, ENOMEM);
 567
 568         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 569                 DBusMessageIter entry, value;
 570                 const char *key, *str;
 571
 572                 dbus_message_iter_recurse(&array, &entry);
 573                 dbus_message_iter_get_basic(&entry, &key);
 574
 575                 dbus_message_iter_next(&entry);
 576                 dbus_message_iter_recurse(&entry, &value);
 577
 578                 switch (dbus_message_iter_get_arg_type(&value)) {
 579                 case DBUS_TYPE_STRING:
 580                         dbus_message_iter_get_basic(&value, &str);
 581                         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 582                                 char *name;
 583
 584                                 connman_network_set_blob(network, key,
 585                                                         str, strlen(str));
 586                                 name = g_try_malloc0(strlen(str) + 1);
 587                                 if (name == NULL)
 588                                         return __connman_error_failed(msg,
 589                                                                       -ENOMEM);
 590
 591                                 convert_name((char *) str, name, strlen(str));
 592                                 connman_network_set_name(network, name);
 593                                 g_free(name);
 594
 595                         } else
 596                                 connman_network_set_string(network, key, str);
 597                         break;
 598                 }
 599
 600                 dbus_message_iter_next(&array);
 601         }
 602
 603         ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_size);
 604         security = connman_network_get_string(network, "WiFi.Security");
 605         mode = connman_network_get_string(network, "WiFi.Mode");
 606         address = connman_network_get_string(network, "Address");
 607
 608         found_network = find_network(device, ssid, address, security, mode);
 609         if (found_network != NULL) {
 610                 const char* passphrase;
 611
 612                 passphrase = connman_network_get_string(network,
 613                                                         "WiFi.Passphrase");
 614                 if (passphrase != NULL)
 615                         connman_network_set_string(found_network,
 616                                                         "WiFi.Passphrase",
 617                                                                 passphrase);
 618                 connman_network_unref(network);
 619                 network = found_network;
 620
 621                 err = __connman_network_connect(found_network);
 622
 623                 connman_network_unref(found_network);
 624
 625                 if (err < 0)
 626                         return __connman_error_failed(msg, -err);
 627
 628                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 629         }
 630
 631         group = build_group(ssid, ssid_size, mode, security);
 632
 633         connman_network_set_group(network, group);
 634
 635         index = connman_device_get_index(device);
 636         connman_network_set_index(network, index);
 637
 638         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 639
 640         if (connman_device_get_disconnected(device) == FALSE)
 641                 __connman_device_disconnect(device);
 642
 643         err = device->driver->join(device, network);
 644
 645         connman_network_unref(network);
 646
 647         if (err < 0)
 648                 return __connman_error_failed(msg, -err);
 649
 650         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 651 }
 652
 653 static DBusMessage *create_network(DBusConnection *conn,
 654                                         DBusMessage *msg, void *data)
 655 {
 656         DBG("conn %p", conn);
 657
 658         if (__connman_security_check_privilege(msg,
 659                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 660                 return __connman_error_permission_denied(msg);
 661
 662         return __connman_error_invalid_arguments(msg);
 663 }
 664
 665 static DBusMessage *remove_network(DBusConnection *conn,
 666                                         DBusMessage *msg, void *data)
 667 {
 668         DBG("conn %p", conn);
 669
 670         if (__connman_security_check_privilege(msg,
 671                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 672                 return __connman_error_permission_denied(msg);
 673
 674         return __connman_error_invalid_arguments(msg);
 675 }
 676
 677 static DBusMessage *propose_scan(DBusConnection *conn,
 678                                         DBusMessage *msg, void *data)
 679 {
 680         struct connman_device *device = data;
 681         int err;
 682
 683         DBG("conn %p", conn);
 684
 685         switch (device->mode) {
 686         case CONNMAN_DEVICE_MODE_UNKNOWN:
 687         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 688                 return __connman_error_not_supported(msg);
 689         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 690         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 691                 break;
 692         }
 693
 694         if (!device->driver || !device->driver->scan)
 695                 return __connman_error_not_supported(msg);
 696
 697         if (device->powered == FALSE)
 698                 return __connman_error_failed(msg, EINVAL);
 699
 700         err = device->driver->scan(device);
 701         if (err < 0)
 702                 return __connman_error_failed(msg, -err);
 703
 704         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 705 }
 706
 707 static GDBusMethodTable device_methods[] = {
 708         { "GetProperties", "",      "a{sv}", get_properties },
 709         { "SetProperty",   "sv",    "",      set_property,
 710                                                 G_DBUS_METHOD_FLAG_ASYNC },
 711         { "JoinNetwork",   "a{sv}", "",      join_network   },
 712         { "CreateNetwork", "a{sv}", "o",     create_network },
 713         { "RemoveNetwork", "o",     "",      remove_network },
 714         { "ProposeScan",   "",      "",      propose_scan   },
 715         { },
 716 };
 717
 718 static GDBusSignalTable device_signals[] = {
 719         { "PropertyChanged", "sv" },
 720         { },
 721 };
 722
 723 static void append_devices(DBusMessageIter *entry)
 724 {
 725         DBusMessageIter value, iter;
 726         const char *key = "Devices";
 727
 728         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 729
 730         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 731                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 732                                                                 &value);
 733
 734         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 735                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 736         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 737         dbus_message_iter_close_container(&value, &iter);
 738
 739         dbus_message_iter_close_container(entry, &value);
 740 }
 741
 742 static void emit_devices_signal(void)
 743 {
 744         DBusMessage *signal;
 745         DBusMessageIter entry;
 746
 747         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 748                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 749         if (signal == NULL)
 750                 return;
 751
 752         dbus_message_iter_init_append(signal, &entry);
 753
 754         append_devices(&entry);
 755
 756         g_dbus_send_message(connection, signal);
 757 }
 758
 759 static int register_interface(struct connman_element *element)
 760 {
 761         struct connman_device *device = element->device;
 762
 763         DBG("element %p name %s", element, element->name);
 764
 765         if (g_dbus_register_interface(connection, element->path,
 766                                         CONNMAN_DEVICE_INTERFACE,
 767                                         device_methods, device_signals,
 768                                         NULL, device, NULL) == FALSE) {
 769                 connman_error("Failed to register %s device", element->path);
 770                 return -EIO;
 771         }
 772
 773         device->registered = TRUE;
 774
 775         emit_devices_signal();
 776
 777         return 0;
 778 }
 779
 780 static void unregister_interface(struct connman_element *element)
 781 {
 782         struct connman_device *device = element->device;
 783
 784         DBG("element %p name %s", element, element->name);
 785
 786         device->registered = FALSE;
 787
 788         emit_devices_signal();
 789
 790         g_dbus_unregister_interface(connection, element->path,
 791                                                 CONNMAN_DEVICE_INTERFACE);
 792 }
 793
 794 static void device_enable(struct connman_device *device)
 795 {
 796         DBG("device %p", device);
 797
 798         if (device->powered == TRUE)
 799                 return;
 800
 801         if (device->driver->enable) {
 802                 device->driver->enable(device);
 803                 __connman_notifier_device_type_increase(device->type);
 804         }
 805 }
 806
 807 static void device_disable(struct connman_device *device)
 808 {
 809         DBG("device %p", device);
 810
 811         if (device->powered == FALSE)
 812                 return;
 813
 814         g_hash_table_remove_all(device->networks);
 815
 816         if (device->driver->disable) {
 817                 device->driver->disable(device);
 818                 __connman_notifier_device_type_decrease(device->type);
 819         }
 820 }
 821
 822 static int setup_device(struct connman_device *device)
 823 {
 824         int err;
 825
 826         DBG("device %p", device);
 827
 828         err = register_interface(&device->element);
 829         if (err < 0) {
 830                 if (device->driver->remove)
 831                         device->driver->remove(device);
 832                 device->driver = NULL;
 833                 return err;
 834         }
 835
 836         switch (device->mode) {
 837         case CONNMAN_DEVICE_MODE_UNKNOWN:
 838         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 839         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 840                 break;
 841         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 842                 if (device->secondary == FALSE)
 843                         __connman_profile_add_device(device);
 844                 break;
 845         }
 846
 847         device_enable(device);
 848
 849         return 0;
 850 }
 851
 852 static void probe_driver(struct connman_element *element, gpointer user_data)
 853 {
 854         struct connman_device_driver *driver = user_data;
 855
 856         DBG("element %p name %s", element, element->name);
 857
 858         if (element->device == NULL)
 859                 return;
 860
 861         if (element->device->driver != NULL)
 862                 return;
 863
 864         if (driver->type != element->device->type)
 865                 return;
 866
 867         if (driver->probe(element->device) < 0)
 868                 return;
 869
 870         element->device->driver = driver;
 871
 872         setup_device(element->device);
 873 }
 874
 875 static void remove_device(struct connman_device *device)
 876 {
 877         DBG("device %p", device);
 878
 879         device_disable(device);
 880
 881         switch (device->mode) {
 882         case CONNMAN_DEVICE_MODE_UNKNOWN:
 883         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 884         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 885                 break;
 886         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 887                 if (device->secondary == FALSE)
 888                         __connman_profile_remove_device(device);
 889                 break;
 890         }
 891
 892         unregister_interface(&device->element);
 893
 894         if (device->driver->remove)
 895                 device->driver->remove(device);
 896
 897         device->driver = NULL;
 898 }
 899
 900 static void remove_driver(struct connman_element *element, gpointer user_data)
 901 {
 902         struct connman_device_driver *driver = user_data;
 903
 904         DBG("element %p name %s", element, element->name);
 905
 906         if (element->device == NULL)
 907                 return;
 908
 909         if (element->device->driver == driver)
 910                 remove_device(element->device);
 911 }
 912
 913 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 914 {
 915         if (device == NULL || device->driver == NULL)
 916                 return FALSE;
 917
 918         return device->registered;
 919 }
 920
 921 static GSList *driver_list = NULL;
 922
 923 static gint compare_priority(gconstpointer a, gconstpointer b)
 924 {
 925         const struct connman_device_driver *driver1 = a;
 926         const struct connman_device_driver *driver2 = b;
 927
 928         return driver2->priority - driver1->priority;
 929 }
 930
 931 /**
 932  * connman_device_driver_register:
 933  * @driver: device driver definition
 934  *
 935  * Register a new device driver
 936  *
 937  * Returns: %0 on success
 938  */
 939 int connman_device_driver_register(struct connman_device_driver *driver)
 940 {
 941         DBG("driver %p name %s", driver, driver->name);
 942
 943         driver_list = g_slist_insert_sorted(driver_list, driver,
 944                                                         compare_priority);
 945
 946         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 947                                                 probe_driver, driver);
 948
 949         return 0;
 950 }
 951
 952 /**
 953  * connman_device_driver_unregister:
 954  * @driver: device driver definition
 955  *
 956  * Remove a previously registered device driver
 957  */
 958 void connman_device_driver_unregister(struct connman_device_driver *driver)
 959 {
 960         DBG("driver %p name %s", driver, driver->name);
 961
 962         driver_list = g_slist_remove(driver_list, driver);
 963
 964         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 965                                                 remove_driver, driver);
 966 }
 967
 968 static void unregister_network(gpointer data)
 969 {
 970         struct connman_network *network = data;
 971
 972         DBG("network %p", network);
 973
 974         connman_element_unregister((struct connman_element *) network);
 975
 976         connman_network_unref(network);
 977 }
 978
 979 static void device_destruct(struct connman_element *element)
 980 {
 981         struct connman_device *device = element->device;
 982
 983         DBG("element %p name %s", element, element->name);
 984
 985         if (device->timeout > 0) {
 986                 g_source_remove(device->timeout);
 987                 device->timeout = 0;
 988         }
 989
 990         if (device->pending != NULL) {
 991                 dbus_message_unref(device->pending);
 992                 device->pending = NULL;
 993         }
 994
 995         g_free(device->ident);
 996         g_free(device->node);
 997         g_free(device->name);
 998         g_free(device->address);
 999         g_free(device->interface);
1000
1001         connman_ipconfig_unref(device->ipconfig);
1002
1003         g_free(device->last_network);
1004
1005         g_hash_table_destroy(device->networks);
1006         device->networks = NULL;
1007 }
1008
1009 /**
1010  * connman_device_create:
1011  * @node: device node name (for example an address)
1012  * @type: device type
1013  *
1014  * Allocate a new device of given #type and assign the #node name to it.
1015  *
1016  * Returns: a newly-allocated #connman_device structure
1017  */
1018 struct connman_device *connman_device_create(const char *node,
1019                                                 enum connman_device_type type)
1020 {
1021         struct connman_device *device;
1022         const char *str;
1023
1024         DBG("node %s type %d", node, type);
1025
1026         device = g_try_new0(struct connman_device, 1);
1027         if (device == NULL)
1028                 return NULL;
1029
1030         DBG("device %p", device);
1031
1032         __connman_element_initialize(&device->element);
1033
1034         device->element.name = g_strdup(node);
1035         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
1036
1037         device->element.device = device;
1038         device->element.destruct = device_destruct;
1039
1040         str = type2string(type);
1041         if (str != NULL)
1042                 connman_element_set_string(&device->element,
1043                                         CONNMAN_PROPERTY_ID_TYPE, str);
1044
1045         device->element.ipv4.method = CONNMAN_IPCONFIG_METHOD_DHCP;
1046
1047         device->type      = type;
1048         device->name      = g_strdup(type2description(device->type));
1049         device->mode      = CONNMAN_DEVICE_MODE_UNKNOWN;
1050         device->secondary = FALSE;
1051
1052         switch (type) {
1053         case CONNMAN_DEVICE_TYPE_UNKNOWN:
1054         case CONNMAN_DEVICE_TYPE_VENDOR:
1055                 device->scan_interval = 0;
1056                 break;
1057         case CONNMAN_DEVICE_TYPE_ETHERNET:
1058         case CONNMAN_DEVICE_TYPE_WIFI:
1059                 device->scan_interval = 300;
1060                 break;
1061         case CONNMAN_DEVICE_TYPE_WIMAX:
1062                 device->scan_interval = 0;
1063                 break;
1064         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
1065                 device->scan_interval = 0;
1066                 break;
1067         case CONNMAN_DEVICE_TYPE_GPS:
1068                 device->scan_interval = 0;
1069                 break;
1070         case CONNMAN_DEVICE_TYPE_MBM:
1071         case CONNMAN_DEVICE_TYPE_HSO:
1072         case CONNMAN_DEVICE_TYPE_NOZOMI:
1073         case CONNMAN_DEVICE_TYPE_HUAWEI:
1074         case CONNMAN_DEVICE_TYPE_NOVATEL:
1075                 device->scan_interval = 0;
1076                 break;
1077         }
1078
1079         device->ipconfig = connman_ipconfig_create();
1080         if (device->ipconfig == NULL) {
1081                 connman_device_unref(device);
1082                 return NULL;
1083         }
1084
1085         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
1086                                                 g_free, unregister_network);
1087
1088         return device;
1089 }
1090
1091 /**
1092  * connman_device_ref:
1093  * @device: device structure
1094  *
1095  * Increase reference counter of device
1096  */
1097 struct connman_device *connman_device_ref(struct connman_device *device)
1098 {
1099         if (connman_element_ref(&device->element) == NULL)
1100                 return NULL;
1101
1102         return device;
1103 }
1104
1105 /**
1106  * connman_device_unref:
1107  * @device: device structure
1108  *
1109  * Decrease reference counter of device
1110  */
1111 void connman_device_unref(struct connman_device *device)
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_mode:
1233  * @device: device structure
1234  * @mode: network mode
1235  *
1236  * Change network mode of device
1237  */
1238 void connman_device_set_mode(struct connman_device *device,
1239                                                 enum connman_device_mode mode)
1240 {
1241         device->mode = mode;
1242 }
1243
1244 /**
1245  * connman_device_get_mode:
1246  * @device: device structure
1247  *
1248  * Get network mode of device
1249  */
1250 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1251 {
1252         return device->mode;
1253 }
1254
1255 /**
1256  * connman_device_set_secondary:
1257  * @device: device structure
1258  * @secondary: secondary value
1259  *
1260  * Change secondary value of device
1261  */
1262 void connman_device_set_secondary(struct connman_device *device,
1263                                                 connman_bool_t secondary)
1264 {
1265         device->secondary = secondary;
1266 }
1267
1268 /**
1269  * connman_device_get_secondary:
1270  * @device: device structure
1271  *
1272  * Get secondary value of device
1273  */
1274 connman_bool_t connman_device_get_secondary(struct connman_device *device)
1275 {
1276         return device->secondary;
1277 }
1278
1279 /**
1280  * connman_device_set_powered:
1281  * @device: device structure
1282  * @powered: powered state
1283  *
1284  * Change power state of device
1285  */
1286 int connman_device_set_powered(struct connman_device *device,
1287                                                 connman_bool_t powered)
1288 {
1289         DBusMessage *signal;
1290         DBusMessageIter entry, value;
1291         const char *key = "Powered";
1292
1293         DBG("driver %p powered %d", device, powered);
1294
1295         if (device->timeout > 0) {
1296                 g_source_remove(device->timeout);
1297                 device->timeout = 0;
1298         }
1299
1300         if (device->pending != NULL) {
1301                 g_dbus_send_reply(connection, device->pending,
1302                                                         DBUS_TYPE_INVALID);
1303
1304                 dbus_message_unref(device->pending);
1305                 device->pending = NULL;
1306         }
1307
1308         if (device->powered == powered)
1309                 return -EALREADY;
1310
1311         device->powered = powered;
1312
1313         if (device->registered == FALSE)
1314                 return 0;
1315
1316         signal = dbus_message_new_signal(device->element.path,
1317                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1318         if (signal == NULL)
1319                 return 0;
1320
1321         dbus_message_iter_init_append(signal, &entry);
1322
1323         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1324
1325         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1326                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1327         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1328         dbus_message_iter_close_container(&entry, &value);
1329
1330         g_dbus_send_message(connection, signal);
1331
1332         if (powered == FALSE)
1333                 return 0;
1334
1335         if (device->scan_timeout > 0) {
1336                 g_source_remove(device->scan_timeout);
1337                 device->scan_timeout = 0;
1338         }
1339
1340         if (device->scan_interval > 0) {
1341                 guint interval = device->scan_interval;
1342                 device->scan_timeout = g_timeout_add_seconds(interval,
1343                                         device_scan_trigger, device);
1344         }
1345
1346         if (device->driver->scan)
1347                 device->driver->scan(device);
1348
1349         return 0;
1350 }
1351
1352 /**
1353  * connman_device_set_carrier:
1354  * @device: device structure
1355  * @carrier: carrier state
1356  *
1357  * Change carrier state of device (only for device without scanning)
1358  */
1359 int connman_device_set_carrier(struct connman_device *device,
1360                                                 connman_bool_t carrier)
1361 {
1362         DBG("device %p carrier %d", device, carrier);
1363
1364         switch (device->mode) {
1365         case CONNMAN_DEVICE_MODE_UNKNOWN:
1366         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1367         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1368                 return -EINVAL;
1369         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1370                 break;
1371         }
1372
1373         if (device->carrier == carrier)
1374                 return -EALREADY;
1375
1376         device->carrier = carrier;
1377
1378         return set_carrier(device, device->carrier);
1379 }
1380
1381 int __connman_device_connect(struct connman_device *device)
1382 {
1383         DBG("device %p", device);
1384
1385         if (device->disconnected == FALSE)
1386                 return -EINVAL;
1387
1388         if (device->driver && device->driver->connect)
1389                 device->driver->connect(device);
1390
1391         return 0;
1392 }
1393
1394 int __connman_device_disconnect(struct connman_device *device)
1395 {
1396         GHashTableIter iter;
1397         gpointer key, value;
1398
1399         DBG("device %p", device);
1400
1401         connman_device_set_disconnected(device, TRUE);
1402
1403         g_hash_table_iter_init(&iter, device->networks);
1404
1405         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1406                 struct connman_network *network = value;
1407
1408                 if (connman_network_get_connected(network) == TRUE)
1409                         __connman_network_disconnect(network);
1410         }
1411
1412         if (device->driver && device->driver->disconnect)
1413                 device->driver->disconnect(device);
1414
1415         return 0;
1416 }
1417
1418 static void connect_known_network(struct connman_device *device)
1419 {
1420         struct connman_network *network = NULL;
1421         GHashTableIter iter;
1422         gpointer key, value;
1423         const char *name;
1424         unsigned int count = 0;
1425
1426         DBG("device %p", device);
1427
1428         g_hash_table_iter_init(&iter, device->networks);
1429
1430         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1431                 connman_uint8_t old_strength, new_strength;
1432
1433                 count++;
1434
1435                 if (connman_network_get_available(value) == FALSE)
1436                         continue;
1437
1438                 name = connman_network_get_string(value,
1439                                                 CONNMAN_PROPERTY_ID_NAME);
1440                 if (name != NULL && device->last_network != NULL) {
1441                         if (g_str_equal(name, device->last_network) == TRUE) {
1442                                 network = value;
1443                                 break;
1444                         }
1445                 }
1446
1447                 if (network == NULL) {
1448                         network = value;
1449                         continue;
1450                 }
1451
1452                 old_strength = connman_network_get_uint8(network,
1453                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1454                 new_strength = connman_network_get_uint8(value,
1455                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1456
1457                 if (new_strength > old_strength)
1458                         network = value;
1459         }
1460
1461         if (network != NULL) {
1462                 int err;
1463
1464                 name = connman_network_get_string(value,
1465                                                 CONNMAN_PROPERTY_ID_NAME);
1466                 if (name != NULL) {
1467                         err = __connman_network_connect(network);
1468                         if (err == 0 || err == -EINPROGRESS)
1469                                 return;
1470                 }
1471         }
1472
1473         if (count > 0)
1474                 return;
1475
1476         if (device->driver && device->driver->scan)
1477                 device->driver->scan(device);
1478 }
1479
1480 static void mark_network_unavailable(gpointer key, gpointer value,
1481                                                         gpointer user_data)
1482 {
1483         struct connman_network *network = value;
1484
1485         if (connman_network_get_connected(network) == TRUE)
1486                 return;
1487
1488         connman_network_set_available(network, FALSE);
1489 }
1490
1491 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1492                                                         gpointer user_data)
1493 {
1494         struct connman_network *network = value;
1495
1496         if (connman_network_get_connected(network) == TRUE)
1497                 return FALSE;
1498
1499         if (connman_network_get_available(network) == TRUE)
1500                 return FALSE;
1501
1502         return TRUE;
1503 }
1504
1505 /**
1506  * connman_device_set_scanning:
1507  * @device: device structure
1508  * @scanning: scanning state
1509  *
1510  * Change scanning state of device
1511  */
1512 int connman_device_set_scanning(struct connman_device *device,
1513                                                 connman_bool_t scanning)
1514 {
1515         DBusMessage *signal;
1516         DBusMessageIter entry, value;
1517         const char *key = "Scanning";
1518
1519         DBG("device %p scanning %d", device, scanning);
1520
1521         if (!device->driver || !device->driver->scan)
1522                 return -EINVAL;
1523
1524         if (device->scanning == scanning)
1525                 return -EALREADY;
1526
1527         device->scanning = scanning;
1528
1529         signal = dbus_message_new_signal(device->element.path,
1530                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1531         if (signal == NULL)
1532                 return 0;
1533
1534         dbus_message_iter_init_append(signal, &entry);
1535
1536         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1537
1538         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1539                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1540         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1541         dbus_message_iter_close_container(&entry, &value);
1542
1543         g_dbus_send_message(connection, signal);
1544
1545         if (scanning == TRUE) {
1546                 if (device->scan_timeout > 0) {
1547                         g_source_remove(device->scan_timeout);
1548                         device->scan_timeout = 0;
1549                 }
1550
1551                 if (device->scan_interval > 0) {
1552                         guint interval = device->scan_interval;
1553                         device->scan_timeout = g_timeout_add_seconds(interval,
1554                                                 device_scan_trigger, device);
1555                 }
1556
1557                 g_hash_table_foreach(device->networks,
1558                                         mark_network_unavailable, NULL);
1559                 return 0;
1560         }
1561
1562         g_hash_table_foreach_remove(device->networks,
1563                                         remove_unavailable_network, NULL);
1564
1565         if (device->connections > 0)
1566                 return 0;
1567
1568         if (device->disconnected == TRUE)
1569                 return 0;
1570
1571         connect_known_network(device);
1572
1573         return 0;
1574 }
1575
1576 /**
1577  * connman_device_set_disconnected:
1578  * @device: device structure
1579  * @disconnected: disconnected state
1580  *
1581  * Change disconnected state of device (only for device with networks)
1582  */
1583 int connman_device_set_disconnected(struct connman_device *device,
1584                                                 connman_bool_t disconnected)
1585 {
1586         DBG("device %p disconnected %d", device, disconnected);
1587
1588         switch (device->mode) {
1589         case CONNMAN_DEVICE_MODE_UNKNOWN:
1590         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1591                 return -EINVAL;
1592         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1593         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1594                 break;
1595         }
1596
1597         if (device->disconnected == disconnected)
1598                 return -EALREADY;
1599
1600         device->disconnected = disconnected;
1601
1602         return 0;
1603 }
1604
1605 /**
1606  * connman_device_get_disconnected:
1607  * @device: device structure
1608  *
1609  * Get device disconnected state
1610  */
1611 connman_bool_t connman_device_get_disconnected(struct connman_device *device)
1612 {
1613         return device->disconnected;
1614 }
1615
1616 /**
1617  * connman_device_set_connected:
1618  * @device: device structure
1619  * @connected: connected state
1620  *
1621  * Change connected state of device (for Ethernet like devices)
1622  */
1623 int connman_device_set_connected(struct connman_device *device,
1624                                                 connman_bool_t connected)
1625 {
1626         DBG("device %p connected %d", device, connected);
1627
1628         switch (device->mode) {
1629         case CONNMAN_DEVICE_MODE_UNKNOWN:
1630         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1631         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1632                 return -EINVAL;
1633         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1634                 break;
1635         }
1636
1637         if (device->carrier == FALSE)
1638                 return -ENOTCONN;
1639
1640         return set_connected(device, connected);
1641 }
1642
1643 /**
1644  * connman_device_set_string:
1645  * @device: device structure
1646  * @key: unique identifier
1647  * @value: string value
1648  *
1649  * Set string value for specific key
1650  */
1651 int connman_device_set_string(struct connman_device *device,
1652                                         const char *key, const char *value)
1653 {
1654         DBG("device %p key %s value %s", device, key, value);
1655
1656         if (g_str_equal(key, "Address") == TRUE) {
1657                 g_free(device->address);
1658                 device->address = g_strdup(value);
1659         } else if (g_str_equal(key, "Name") == TRUE) {
1660                 g_free(device->name);
1661                 device->name = g_strdup(value);
1662         } else if (g_str_equal(key, "Node") == TRUE) {
1663                 g_free(device->node);
1664                 device->node = g_strdup(value);
1665         }
1666
1667         return connman_element_set_string(&device->element, key, value);
1668 }
1669
1670 /**
1671  * connman_device_get_string:
1672  * @device: device structure
1673  * @key: unique identifier
1674  *
1675  * Get string value for specific key
1676  */
1677 const char *connman_device_get_string(struct connman_device *device,
1678                                                         const char *key)
1679 {
1680         DBG("device %p key %s", device, key);
1681
1682         if (g_str_equal(key, "Address") == TRUE)
1683                 return device->address;
1684         else if (g_str_equal(key, "Name") == TRUE)
1685                 return device->name;
1686         else if (g_str_equal(key, "Node") == TRUE)
1687                 return device->node;
1688
1689         return connman_element_get_string(&device->element, key);
1690 }
1691
1692 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1693 {
1694         struct connman_device *device = element->device;
1695         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1696         connman_bool_t powered;
1697
1698         DBG("element %p name %s", element, element->name);
1699
1700         if (device == NULL)
1701                 return;
1702
1703         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1704
1705         if (device->powered == powered)
1706                 return;
1707
1708         set_powered(device, powered);
1709 }
1710
1711 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1712 {
1713         DBG("offlinmode %d", offlinemode);
1714
1715         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1716                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1717
1718         __connman_notifier_offline_mode(offlinemode);
1719
1720         return 0;
1721 }
1722
1723 void __connman_device_increase_connections(struct connman_device *device)
1724 {
1725         device->connections++;
1726 }
1727
1728 void __connman_device_decrease_connections(struct connman_device *device)
1729 {
1730         device->connections--;
1731 }
1732
1733 /**
1734  * connman_device_add_network:
1735  * @device: device structure
1736  * @network: network structure
1737  *
1738  * Add new network to the device
1739  */
1740 int connman_device_add_network(struct connman_device *device,
1741                                         struct connman_network *network)
1742 {
1743         const char *identifier = connman_network_get_identifier(network);
1744         int err;
1745
1746         DBG("device %p network %p", device, network);
1747
1748         switch (device->mode) {
1749         case CONNMAN_DEVICE_MODE_UNKNOWN:
1750         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1751                 return -EINVAL;
1752         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1753         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1754                 break;
1755         }
1756
1757         __connman_network_set_device(network, device);
1758
1759         __connman_storage_load_network(network);
1760
1761         err = connman_element_register((struct connman_element *) network,
1762                                                         &device->element);
1763         if (err < 0) {
1764                 __connman_network_set_device(network, NULL);
1765                 return err;
1766         }
1767
1768         g_hash_table_insert(device->networks, g_strdup(identifier),
1769                                                                 network);
1770
1771         return 0;
1772 }
1773
1774 /**
1775  * connman_device_get_network:
1776  * @device: device structure
1777  * @identifier: network identifier
1778  *
1779  * Get network for given identifier
1780  */
1781 struct connman_network *connman_device_get_network(struct connman_device *device,
1782                                                         const char *identifier)
1783 {
1784         DBG("device %p identifier %s", device, identifier);
1785
1786         return g_hash_table_lookup(device->networks, identifier);
1787 }
1788
1789 /**
1790  * connman_device_remove_network:
1791  * @device: device structure
1792  * @identifier: network identifier
1793  *
1794  * Remove network for given identifier
1795  */
1796 int connman_device_remove_network(struct connman_device *device,
1797                                                         const char *identifier)
1798 {
1799         DBG("device %p identifier %s", device, identifier);
1800
1801         g_hash_table_remove(device->networks, identifier);
1802
1803         return 0;
1804 }
1805
1806 void __connman_device_set_network(struct connman_device *device,
1807                                         struct connman_network *network)
1808 {
1809         const char *name;
1810
1811         if (device->network == network)
1812                 return;
1813
1814         if (device->network != NULL)
1815                 connman_network_unref(device->network);
1816
1817         if (network != NULL) {
1818                 name = connman_network_get_string(network,
1819                                                 CONNMAN_PROPERTY_ID_NAME);
1820                 g_free(device->last_network);
1821                 device->last_network = g_strdup(name);
1822
1823                 device->network = connman_network_ref(network);
1824         } else {
1825                 g_free(device->last_network);
1826                 device->last_network = NULL;
1827
1828                 device->network = NULL;
1829         }
1830 }
1831
1832 /**
1833  * connman_device_register:
1834  * @device: device structure
1835  *
1836  * Register device with the system
1837  */
1838 int connman_device_register(struct connman_device *device)
1839 {
1840         __connman_storage_load_device(device);
1841
1842         switch (device->mode) {
1843         case CONNMAN_DEVICE_MODE_UNKNOWN:
1844         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1845                 break;
1846         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1847         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1848                 __connman_storage_init_network(device);
1849                 break;
1850         }
1851
1852         return connman_element_register(&device->element, NULL);
1853 }
1854
1855 /**
1856  * connman_device_unregister:
1857  * @device: device structure
1858  *
1859  * Unregister device with the system
1860  */
1861 void connman_device_unregister(struct connman_device *device)
1862 {
1863         __connman_storage_save_device(device);
1864
1865         connman_element_unregister(&device->element);
1866 }
1867
1868 /**
1869  * connman_device_get_data:
1870  * @device: device structure
1871  *
1872  * Get private device data pointer
1873  */
1874 void *connman_device_get_data(struct connman_device *device)
1875 {
1876         return device->driver_data;
1877 }
1878
1879 /**
1880  * connman_device_set_data:
1881  * @device: device structure
1882  * @data: data pointer
1883  *
1884  * Set private device data pointer
1885  */
1886 void connman_device_set_data(struct connman_device *device, void *data)
1887 {
1888         device->driver_data = data;
1889 }
1890
1891 static gboolean match_driver(struct connman_device *device,
1892                                         struct connman_device_driver *driver)
1893 {
1894         if (device->type == driver->type ||
1895                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1896                 return TRUE;
1897
1898         return FALSE;
1899 }
1900
1901 static int device_probe(struct connman_element *element)
1902 {
1903         struct connman_device *device = element->device;
1904         GSList *list;
1905
1906         DBG("element %p name %s", element, element->name);
1907
1908         if (device == NULL)
1909                 return -ENODEV;
1910
1911         if (device->driver != NULL)
1912                 return -EALREADY;
1913
1914         for (list = driver_list; list; list = list->next) {
1915                 struct connman_device_driver *driver = list->data;
1916
1917                 if (match_driver(device, driver) == FALSE)
1918                         continue;
1919
1920                 DBG("driver %p name %s", driver, driver->name);
1921
1922                 if (driver->probe(device) == 0) {
1923                         device->driver = driver;
1924                         break;
1925                 }
1926         }
1927
1928         if (device->driver == NULL)
1929                 return -ENODEV;
1930
1931         return setup_device(device);
1932 }
1933
1934 static void device_remove(struct connman_element *element)
1935 {
1936         struct connman_device *device = element->device;
1937
1938         DBG("element %p name %s", element, element->name);
1939
1940         if (device == NULL)
1941                 return;
1942
1943         if (device->driver == NULL)
1944                 return;
1945
1946         remove_device(device);
1947 }
1948
1949 static struct connman_driver device_driver = {
1950         .name           = "device",
1951         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1952         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1953         .probe          = device_probe,
1954         .remove         = device_remove,
1955 };
1956
1957 static int device_load(struct connman_device *device)
1958 {
1959         GKeyFile *keyfile;
1960         gchar *pathname, *identifier, *data = NULL;
1961         gsize length;
1962         int val;
1963
1964         DBG("device %p", device);
1965
1966         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1967                                         __connman_profile_active_ident());
1968         if (pathname == NULL)
1969                 return -ENOMEM;
1970
1971         keyfile = g_key_file_new();
1972
1973         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1974                 g_free(pathname);
1975                 return -ENOENT;
1976         }
1977
1978         g_free(pathname);
1979
1980         if (g_key_file_load_from_data(keyfile, data, length,
1981                                                         0, NULL) == FALSE) {
1982                 g_free(data);
1983                 return -EILSEQ;
1984         }
1985
1986         g_free(data);
1987
1988         identifier = g_strdup_printf("device_%s", device->element.name);
1989         if (identifier == NULL)
1990                 goto done;
1991
1992         switch (device->mode) {
1993         case CONNMAN_DEVICE_MODE_UNKNOWN:
1994         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1995                 break;
1996         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1997         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1998                 val = g_key_file_get_integer(keyfile, identifier,
1999                                                         "ScanInterval", NULL);
2000                 if (val > 0)
2001                         device->scan_interval = val;
2002                 break;
2003         }
2004
2005 done:
2006         g_key_file_free(keyfile);
2007
2008         g_free(identifier);
2009
2010         return 0;
2011 }
2012
2013 static int device_save(struct connman_device *device)
2014 {
2015         GKeyFile *keyfile;
2016         gchar *pathname, *identifier = NULL, *data = NULL;
2017         gsize length;
2018
2019         DBG("device %p", device);
2020
2021         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
2022                                         __connman_profile_active_ident());
2023         if (pathname == NULL)
2024                 return -ENOMEM;
2025
2026         keyfile = g_key_file_new();
2027
2028         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
2029                 goto update;
2030
2031         if (length > 0) {
2032                 if (g_key_file_load_from_data(keyfile, data, length,
2033                                                         0, NULL) == FALSE)
2034                         goto done;
2035         }
2036
2037         g_free(data);
2038
2039 update:
2040         identifier = g_strdup_printf("device_%s", device->element.name);
2041         if (identifier == NULL)
2042                 goto done;
2043
2044         switch (device->mode) {
2045         case CONNMAN_DEVICE_MODE_UNKNOWN:
2046         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
2047                 break;
2048         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
2049         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
2050                 if (device->scan_interval > 0)
2051                         g_key_file_set_integer(keyfile, identifier,
2052                                         "ScanInterval", device->scan_interval);
2053                 break;
2054         }
2055
2056         data = g_key_file_to_data(keyfile, &length, NULL);
2057
2058         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
2059                 connman_error("Failed to store device information");
2060
2061 done:
2062         g_free(data);
2063
2064         g_key_file_free(keyfile);
2065
2066         g_free(identifier);
2067         g_free(pathname);
2068
2069         return 0;
2070 }
2071
2072 static struct connman_storage device_storage = {
2073         .name           = "device",
2074         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
2075         .device_load    = device_load,
2076         .device_save    = device_save,
2077 };
2078
2079 int __connman_device_init(void)
2080 {
2081         DBG("");
2082
2083         connection = connman_dbus_get_connection();
2084
2085         if (connman_storage_register(&device_storage) < 0)
2086                 connman_error("Failed to register device storage");
2087
2088         return connman_driver_register(&device_driver);
2089 }
2090
2091 void __connman_device_cleanup(void)
2092 {
2093         DBG("");
2094
2095         connman_driver_unregister(&device_driver);
2096
2097         connman_storage_unregister(&device_storage);
2098
2099         dbus_connection_unref(connection);
2100 }