vcs.maemo.org Git - connman/blob - 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 struct connman_device {
  34         struct connman_element element;
  35         enum connman_device_type type;
  36         enum connman_device_mode mode;
  37         enum connman_device_policy policy;
  38         connman_bool_t powered;
  39         connman_bool_t carrier;
  40         connman_bool_t scanning;
  41         connman_bool_t disconnected;
  42         connman_uint8_t priority;
  43         connman_uint16_t scan_interval;
  44         char *name;
  45         char *node;
  46         char *address;
  47         char *interface;
  48         unsigned int connections;
  49         guint scan_timeout;
  50
  51         struct connman_device_driver *driver;
  52         void *driver_data;
  53
  54         connman_bool_t registered;
  55
  56         char *last_network;
  57         struct connman_network *network;
  58         GHashTable *networks;
  59 };
  60
  61 static gboolean device_scan_trigger(gpointer user_data)
  62 {
  63         struct connman_device *device = user_data;
  64
  65         DBG("device %p", device);
  66
  67         if (device->driver == NULL) {
  68                 device->scan_timeout = 0;
  69                 return FALSE;
  70         }
  71
  72         if (device->driver->scan)
  73                 device->driver->scan(device);
  74
  75         return TRUE;
  76 }
  77
  78 static const char *type2description(enum connman_device_type type)
  79 {
  80         switch (type) {
  81         case CONNMAN_DEVICE_TYPE_UNKNOWN:
  82         case CONNMAN_DEVICE_TYPE_VENDOR:
  83                 break;
  84         case CONNMAN_DEVICE_TYPE_ETHERNET:
  85                 return "Ethernet";
  86         case CONNMAN_DEVICE_TYPE_WIFI:
  87                 return "Wireless";
  88         case CONNMAN_DEVICE_TYPE_WIMAX:
  89                 return "WiMAX";
  90         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
  91                 return "Bluetooth";
  92         case CONNMAN_DEVICE_TYPE_GPS:
  93                 return "GPS";
  94         case CONNMAN_DEVICE_TYPE_HSO:
  95         case CONNMAN_DEVICE_TYPE_NOZOMI:
  96         case CONNMAN_DEVICE_TYPE_HUAWEI:
  97         case CONNMAN_DEVICE_TYPE_NOVATEL:
  98                 return "Cellular";
  99         }
 100
 101         return NULL;
 102 }
 103
 104 static const char *type2string(enum connman_device_type type)
 105 {
 106         switch (type) {
 107         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 108         case CONNMAN_DEVICE_TYPE_VENDOR:
 109                 break;
 110         case CONNMAN_DEVICE_TYPE_ETHERNET:
 111                 return "ethernet";
 112         case CONNMAN_DEVICE_TYPE_WIFI:
 113                 return "wifi";
 114         case CONNMAN_DEVICE_TYPE_WIMAX:
 115                 return "wimax";
 116         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 117                 return "bluetooth";
 118         case CONNMAN_DEVICE_TYPE_GPS:
 119                 return "gps";
 120         case CONNMAN_DEVICE_TYPE_HSO:
 121         case CONNMAN_DEVICE_TYPE_HUAWEI:
 122         case CONNMAN_DEVICE_TYPE_NOZOMI:
 123         case CONNMAN_DEVICE_TYPE_NOVATEL:
 124                 return "cellular";
 125         }
 126
 127         return NULL;
 128 }
 129
 130 static const char *policy2string(enum connman_device_policy policy)
 131 {
 132         switch (policy) {
 133         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 134                 break;
 135         case CONNMAN_DEVICE_POLICY_IGNORE:
 136                 return "ignore";
 137         case CONNMAN_DEVICE_POLICY_OFF:
 138                 return "off";
 139         case CONNMAN_DEVICE_POLICY_AUTO:
 140                 return "auto";
 141         case CONNMAN_DEVICE_POLICY_MANUAL:
 142                 return "manual";
 143         }
 144
 145         return NULL;
 146 }
 147
 148 static enum connman_device_policy string2policy(const char *policy)
 149 {
 150         if (g_str_equal(policy, "ignore") == TRUE)
 151                 return CONNMAN_DEVICE_POLICY_IGNORE;
 152         else if (g_str_equal(policy, "off") == TRUE)
 153                 return CONNMAN_DEVICE_POLICY_OFF;
 154         else if (g_str_equal(policy, "auto") == TRUE)
 155                 return CONNMAN_DEVICE_POLICY_AUTO;
 156         else if (g_str_equal(policy, "manual") == TRUE)
 157                 return CONNMAN_DEVICE_POLICY_MANUAL;
 158         else
 159                 return CONNMAN_DEVICE_POLICY_UNKNOWN;
 160 }
 161
 162 static int set_carrier(struct connman_device *device, connman_bool_t carrier)
 163 {
 164         struct connman_service *service;
 165
 166         service = __connman_service_lookup_from_device(device);
 167         __connman_service_set_carrier(service, carrier);
 168
 169         if (carrier == TRUE) {
 170                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 171                 struct connman_element *element;
 172
 173                 switch (device->element.ipv4.method) {
 174                 case CONNMAN_IPV4_METHOD_UNKNOWN:
 175                 case CONNMAN_IPV4_METHOD_OFF:
 176                         return 0;
 177                 case CONNMAN_IPV4_METHOD_STATIC:
 178                         type = CONNMAN_ELEMENT_TYPE_IPV4;
 179                         break;
 180                 case CONNMAN_IPV4_METHOD_DHCP:
 181                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 182                         break;
 183                 }
 184
 185                 element = connman_element_create(NULL);
 186                 if (element != NULL) {
 187                         element->type  = type;
 188                         element->index = device->element.index;
 189
 190                         if (connman_element_register(element,
 191                                                         &device->element) < 0)
 192                                 connman_element_unref(element);
 193
 194                         __connman_service_indicate_configuration(service);
 195                 }
 196         } else
 197                 connman_element_unregister_children(&device->element);
 198
 199         return 0;
 200 }
 201
 202 static int set_powered(struct connman_device *device, connman_bool_t powered)
 203 {
 204         struct connman_device_driver *driver = device->driver;
 205         int err;
 206
 207         DBG("device %p powered %d", device, powered);
 208
 209         if (!driver)
 210                 return -EINVAL;
 211
 212         if (powered == TRUE) {
 213                 if (driver->enable) {
 214                         err = driver->enable(device);
 215                         __connman_notifier_device_type_increase(device->type);
 216                 } else
 217                         err = -EINVAL;
 218         } else {
 219                 g_hash_table_remove_all(device->networks);
 220
 221                 set_carrier(device, FALSE);
 222
 223                 if (driver->disable) {
 224                         err = driver->disable(device);
 225                         __connman_notifier_device_type_decrease(device->type);
 226                 } else
 227                         err = -EINVAL;
 228         }
 229
 230         return err;
 231 }
 232
 233 static int set_policy(DBusConnection *connection,
 234                                 struct connman_device *device,
 235                                         enum connman_device_policy policy)
 236 {
 237         DBusMessage *signal;
 238         DBusMessageIter entry, value;
 239         const char *str, *key = "Policy";
 240         int err = 0;
 241
 242         DBG("device %p policy %d", device, policy);
 243
 244         if (device->policy == policy)
 245                 return 0;
 246
 247         switch (policy) {
 248         case CONNMAN_DEVICE_POLICY_UNKNOWN:
 249                 return -EINVAL;
 250         case CONNMAN_DEVICE_POLICY_IGNORE:
 251                 break;
 252         case CONNMAN_DEVICE_POLICY_OFF:
 253                 if (device->powered == TRUE)
 254                         err = set_powered(device, FALSE);
 255                 break;
 256         case CONNMAN_DEVICE_POLICY_AUTO:
 257         case CONNMAN_DEVICE_POLICY_MANUAL:
 258                 if (device->powered == FALSE)
 259                         err = set_powered(device, TRUE);
 260                 else
 261                         err = set_carrier(device, device->carrier);
 262                 break;
 263         }
 264
 265         if (err < 0)
 266                 return err;
 267
 268         device->policy = policy;
 269
 270         signal = dbus_message_new_signal(device->element.path,
 271                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 272         if (signal == NULL)
 273                 return 0;
 274
 275         dbus_message_iter_init_append(signal, &entry);
 276
 277         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 278
 279         str = policy2string(policy);
 280
 281         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 282                                         DBUS_TYPE_STRING_AS_STRING, &value);
 283         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 284         dbus_message_iter_close_container(&entry, &value);
 285
 286         g_dbus_send_message(connection, signal);
 287
 288         return 0;
 289 }
 290
 291 static void append_path(gpointer key, gpointer value, gpointer user_data)
 292 {
 293         struct connman_element *element = value;
 294         DBusMessageIter *iter = user_data;
 295
 296         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
 297                                                         &element->path);
 298 }
 299
 300 static void append_networks(struct connman_device *device,
 301                                                 DBusMessageIter *entry)
 302 {
 303         DBusMessageIter value, iter;
 304         const char *key = "Networks";
 305
 306         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 307
 308         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 309                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 310                                                                 &value);
 311
 312         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 313                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 314         g_hash_table_foreach(device->networks, append_path, &iter);
 315         dbus_message_iter_close_container(&value, &iter);
 316
 317         dbus_message_iter_close_container(entry, &value);
 318 }
 319
 320 static DBusMessage *get_properties(DBusConnection *conn,
 321                                         DBusMessage *msg, void *data)
 322 {
 323         struct connman_device *device = data;
 324         DBusMessage *reply;
 325         DBusMessageIter array, dict, entry;
 326         const char *str;
 327
 328         DBG("conn %p", conn);
 329
 330         if (__connman_security_check_privilege(msg,
 331                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 332                 return __connman_error_permission_denied(msg);
 333
 334         reply = dbus_message_new_method_return(msg);
 335         if (reply == NULL)
 336                 return NULL;
 337
 338         dbus_message_iter_init_append(reply, &array);
 339
 340         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 341                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 342                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 343                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 344
 345         if (device->name != NULL)
 346                 connman_dbus_dict_append_variant(&dict, "Name",
 347                                         DBUS_TYPE_STRING, &device->name);
 348
 349         str = type2string(device->type);
 350         if (str != NULL)
 351                 connman_dbus_dict_append_variant(&dict, "Type",
 352                                                 DBUS_TYPE_STRING, &str);
 353
 354         if (device->address != NULL)
 355                 connman_dbus_dict_append_variant(&dict, "Address",
 356                                         DBUS_TYPE_STRING, &device->address);
 357
 358         if (device->interface != NULL)
 359                 connman_dbus_dict_append_variant(&dict, "Interface",
 360                                         DBUS_TYPE_STRING, &device->interface);
 361
 362         str = policy2string(device->policy);
 363         if (str != NULL)
 364                 connman_dbus_dict_append_variant(&dict, "Policy",
 365                                                 DBUS_TYPE_STRING, &str);
 366
 367         if (device->priority > 0)
 368                 connman_dbus_dict_append_variant(&dict, "Priority",
 369                                         DBUS_TYPE_BYTE, &device->priority);
 370
 371         connman_dbus_dict_append_variant(&dict, "Powered",
 372                                         DBUS_TYPE_BOOLEAN, &device->powered);
 373
 374         if (device->driver && device->driver->scan)
 375                 connman_dbus_dict_append_variant(&dict, "Scanning",
 376                                         DBUS_TYPE_BOOLEAN, &device->scanning);
 377
 378         switch (device->mode) {
 379         case CONNMAN_DEVICE_MODE_UNKNOWN:
 380                 break;
 381         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 382                 __connman_element_append_ipv4(&device->element, &dict);
 383                 break;
 384         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 385         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 386                 if (device->scan_interval > 0)
 387                         connman_dbus_dict_append_variant(&dict, "ScanInterval",
 388                                 DBUS_TYPE_UINT16, &device->scan_interval);
 389
 390                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 391                                                                 NULL, &entry);
 392                 append_networks(device, &entry);
 393                 dbus_message_iter_close_container(&dict, &entry);
 394                 break;
 395         }
 396
 397         dbus_message_iter_close_container(&array, &dict);
 398
 399         return reply;
 400 }
 401
 402 static DBusMessage *set_property(DBusConnection *conn,
 403                                         DBusMessage *msg, void *data)
 404 {
 405         struct connman_device *device = data;
 406         DBusMessageIter iter, value;
 407         const char *name;
 408         int type;
 409
 410         DBG("conn %p", conn);
 411
 412         if (dbus_message_iter_init(msg, &iter) == FALSE)
 413                 return __connman_error_invalid_arguments(msg);
 414
 415         dbus_message_iter_get_basic(&iter, &name);
 416         dbus_message_iter_next(&iter);
 417         dbus_message_iter_recurse(&iter, &value);
 418
 419         if (__connman_security_check_privilege(msg,
 420                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 421                 return __connman_error_permission_denied(msg);
 422
 423         type = dbus_message_iter_get_arg_type(&value);
 424
 425         if (g_str_equal(name, "Powered") == TRUE) {
 426                 connman_bool_t powered;
 427                 int err;
 428
 429                 if (type != DBUS_TYPE_BOOLEAN)
 430                         return __connman_error_invalid_arguments(msg);
 431
 432                 dbus_message_iter_get_basic(&value, &powered);
 433
 434                 if (device->powered == powered)
 435                         return __connman_error_invalid_arguments(msg);
 436
 437                 err = set_powered(device, powered);
 438                 if (err < 0 && err != -EINPROGRESS)
 439                         return __connman_error_failed(msg);
 440         } else if (g_str_equal(name, "Policy") == TRUE) {
 441                 enum connman_device_policy policy;
 442                 const char *str;
 443                 int err;
 444
 445                 if (type != DBUS_TYPE_STRING)
 446                         return __connman_error_invalid_arguments(msg);
 447
 448                 dbus_message_iter_get_basic(&value, &str);
 449                 policy = string2policy(str);
 450                 if (policy == CONNMAN_DEVICE_POLICY_UNKNOWN)
 451                         return __connman_error_invalid_arguments(msg);
 452
 453                 err = set_policy(conn, device, policy);
 454                 if (err < 0)
 455                         return __connman_error_failed(msg);
 456         } else if (g_str_equal(name, "Priority") == TRUE) {
 457                 connman_uint8_t priority;
 458
 459                 if (type != DBUS_TYPE_BYTE)
 460                         return __connman_error_invalid_arguments(msg);
 461
 462                 dbus_message_iter_get_basic(&value, &priority);
 463
 464                 device->priority = priority;
 465         } else if (g_str_equal(name, "ScanInterval") == TRUE) {
 466                 connman_uint16_t interval;
 467
 468                 switch (device->mode) {
 469                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 470                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 471                         return __connman_error_invalid_arguments(msg);
 472                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 473                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 474                         break;
 475                 }
 476
 477                 if (type != DBUS_TYPE_UINT16)
 478                         return __connman_error_invalid_arguments(msg);
 479
 480                 dbus_message_iter_get_basic(&value, &interval);
 481
 482                 device->scan_interval = interval;
 483
 484                 if (device->scan_timeout > 0) {
 485                         g_source_remove(device->scan_timeout);
 486                         device->scan_timeout = 0;
 487                 }
 488
 489                 if (device->scan_interval > 0) {
 490                         guint interval = device->scan_interval;
 491                         device->scan_timeout = g_timeout_add_seconds(interval,
 492                                                 device_scan_trigger, device);
 493                 }
 494         } else if (g_str_has_prefix(name, "IPv4") == TRUE) {
 495                 switch (device->mode) {
 496                 case CONNMAN_DEVICE_MODE_UNKNOWN:
 497                 case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 498                 case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 499                         return __connman_error_invalid_arguments(msg);
 500                 case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 501                         __connman_element_set_ipv4(&device->element,
 502                                                                 name, &value);
 503                         break;
 504                 }
 505         }
 506
 507         __connman_storage_save_device(device);
 508
 509         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 510 }
 511
 512 static DBusMessage *join_network(DBusConnection *conn,
 513                                         DBusMessage *msg, void *data)
 514 {
 515         struct connman_device *device = data;
 516         struct connman_network *network;
 517         enum connman_network_type type;
 518         DBusMessageIter iter, array;
 519         int err, index;
 520
 521         DBG("conn %p", conn);
 522
 523         if (__connman_security_check_privilege(msg,
 524                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 525                 return __connman_error_permission_denied(msg);
 526
 527         if (!device->driver || !device->driver->join)
 528                 return __connman_error_not_supported(msg);
 529
 530         dbus_message_iter_init(msg, &iter);
 531         dbus_message_iter_recurse(&iter, &array);
 532
 533         switch (device->type) {
 534         case CONNMAN_DEVICE_TYPE_WIFI:
 535                 type = CONNMAN_NETWORK_TYPE_WIFI;
 536                 break;
 537         default:
 538                 return __connman_error_not_supported(msg);
 539         }
 540
 541         network = connman_network_create("00_00_00_00_00_00", type);
 542         if (network == NULL)
 543                 return __connman_error_failed(msg);
 544
 545         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 546                 DBusMessageIter entry, value;
 547                 const char *key, *str;
 548
 549                 dbus_message_iter_recurse(&array, &entry);
 550                 dbus_message_iter_get_basic(&entry, &key);
 551
 552                 dbus_message_iter_next(&entry);
 553                 dbus_message_iter_recurse(&entry, &value);
 554
 555                 switch (dbus_message_iter_get_arg_type(&value)) {
 556                 case DBUS_TYPE_STRING:
 557                         dbus_message_iter_get_basic(&value, &str);
 558                         if (g_str_equal(key, "WiFi.SSID") == TRUE)
 559                                 connman_network_set_blob(network, key,
 560                                                         str, strlen(str));
 561                         else
 562                                 connman_network_set_string(network, key, str);
 563                         break;
 564                 }
 565
 566                 dbus_message_iter_next(&array);
 567         }
 568
 569         index = connman_device_get_index(device);
 570         connman_network_set_index(network, index);
 571
 572         connman_network_set_protocol(network, CONNMAN_NETWORK_PROTOCOL_IP);
 573
 574         err = device->driver->join(device, network);
 575
 576         connman_network_unref(network);
 577
 578         if (err < 0)
 579                 return __connman_error_failed(msg);
 580
 581         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 582 }
 583
 584 static DBusMessage *create_network(DBusConnection *conn,
 585                                         DBusMessage *msg, void *data)
 586 {
 587         DBG("conn %p", conn);
 588
 589         if (__connman_security_check_privilege(msg,
 590                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 591                 return __connman_error_permission_denied(msg);
 592
 593         return __connman_error_invalid_arguments(msg);
 594 }
 595
 596 static DBusMessage *remove_network(DBusConnection *conn,
 597                                         DBusMessage *msg, void *data)
 598 {
 599         DBG("conn %p", conn);
 600
 601         if (__connman_security_check_privilege(msg,
 602                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 603                 return __connman_error_permission_denied(msg);
 604
 605         return __connman_error_invalid_arguments(msg);
 606 }
 607
 608 static DBusMessage *propose_scan(DBusConnection *conn,
 609                                         DBusMessage *msg, void *data)
 610 {
 611         struct connman_device *device = data;
 612         int err;
 613
 614         DBG("conn %p", conn);
 615
 616         switch (device->mode) {
 617         case CONNMAN_DEVICE_MODE_UNKNOWN:
 618         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 619                 return __connman_error_not_supported(msg);
 620         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 621         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 622                 break;
 623         }
 624
 625         if (!device->driver || !device->driver->scan)
 626                 return __connman_error_not_supported(msg);
 627
 628         if (device->powered == FALSE)
 629                 return __connman_error_failed(msg);
 630
 631         err = device->driver->scan(device);
 632         if (err < 0)
 633                 return __connman_error_failed(msg);
 634
 635         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 636 }
 637
 638 static GDBusMethodTable device_methods[] = {
 639         { "GetProperties", "",      "a{sv}", get_properties },
 640         { "SetProperty",   "sv",    "",      set_property   },
 641         { "JoinNetwork",   "a{sv}", "",      join_network   },
 642         { "CreateNetwork", "a{sv}", "o",     create_network },
 643         { "RemoveNetwork", "o",     "",      remove_network },
 644         { "ProposeScan",   "",      "",      propose_scan   },
 645         { },
 646 };
 647
 648 static GDBusSignalTable device_signals[] = {
 649         { "PropertyChanged", "sv" },
 650         { },
 651 };
 652
 653 static DBusConnection *connection;
 654
 655 static void append_devices(DBusMessageIter *entry)
 656 {
 657         DBusMessageIter value, iter;
 658         const char *key = "Devices";
 659
 660         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 661
 662         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 663                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 664                                                                 &value);
 665
 666         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 667                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 668         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
 669         dbus_message_iter_close_container(&value, &iter);
 670
 671         dbus_message_iter_close_container(entry, &value);
 672 }
 673
 674 static void emit_devices_signal(void)
 675 {
 676         DBusMessage *signal;
 677         DBusMessageIter entry;
 678
 679         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 680                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 681         if (signal == NULL)
 682                 return;
 683
 684         dbus_message_iter_init_append(signal, &entry);
 685
 686         append_devices(&entry);
 687
 688         g_dbus_send_message(connection, signal);
 689 }
 690
 691 static int register_interface(struct connman_element *element)
 692 {
 693         struct connman_device *device = element->device;
 694
 695         DBG("element %p name %s", element, element->name);
 696
 697         if (g_dbus_register_interface(connection, element->path,
 698                                         CONNMAN_DEVICE_INTERFACE,
 699                                         device_methods, device_signals,
 700                                         NULL, device, NULL) == FALSE) {
 701                 connman_error("Failed to register %s device", element->path);
 702                 return -EIO;
 703         }
 704
 705         device->registered = TRUE;
 706
 707         emit_devices_signal();
 708
 709         return 0;
 710 }
 711
 712 static void unregister_interface(struct connman_element *element)
 713 {
 714         struct connman_device *device = element->device;
 715
 716         DBG("element %p name %s", element, element->name);
 717
 718         device->registered = FALSE;
 719
 720         emit_devices_signal();
 721
 722         g_dbus_unregister_interface(connection, element->path,
 723                                                 CONNMAN_DEVICE_INTERFACE);
 724 }
 725
 726 static void device_enable(struct connman_device *device)
 727 {
 728         DBG("device %p", device);
 729
 730         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE ||
 731                                 device->policy == CONNMAN_DEVICE_POLICY_OFF)
 732                 return;
 733
 734         if (device->powered == TRUE)
 735                 return;
 736
 737         if (device->driver->enable) {
 738                 device->driver->enable(device);
 739                 __connman_notifier_device_type_increase(device->type);
 740         }
 741 }
 742
 743 static void device_disable(struct connman_device *device)
 744 {
 745         DBG("device %p", device);
 746
 747         if (device->policy == CONNMAN_DEVICE_POLICY_IGNORE)
 748                 return;
 749
 750         if (device->powered == FALSE)
 751                 return;
 752
 753         g_hash_table_remove_all(device->networks);
 754
 755         if (device->driver->disable) {
 756                 device->driver->disable(device);
 757                 __connman_notifier_device_type_decrease(device->type);
 758         }
 759 }
 760
 761 static int setup_device(struct connman_device *device)
 762 {
 763         int err;
 764
 765         DBG("device %p", device);
 766
 767         err = register_interface(&device->element);
 768         if (err < 0) {
 769                 if (device->driver->remove)
 770                         device->driver->remove(device);
 771                 device->driver = NULL;
 772                 return err;
 773         }
 774
 775         switch (device->mode) {
 776         case CONNMAN_DEVICE_MODE_UNKNOWN:
 777         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 778         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 779                 break;
 780         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 781                 __connman_profile_add_device(device);
 782                 break;
 783         }
 784
 785         device_enable(device);
 786
 787         return 0;
 788 }
 789
 790 static void probe_driver(struct connman_element *element, gpointer user_data)
 791 {
 792         struct connman_device_driver *driver = user_data;
 793
 794         DBG("element %p name %s", element, element->name);
 795
 796         if (element->device == NULL)
 797                 return;
 798
 799         if (element->device->driver != NULL)
 800                 return;
 801
 802         if (driver->type != element->device->type)
 803                 return;
 804
 805         if (driver->probe(element->device) < 0)
 806                 return;
 807
 808         element->device->driver = driver;
 809
 810         setup_device(element->device);
 811 }
 812
 813 static void remove_device(struct connman_device *device)
 814 {
 815         DBG("device %p", device);
 816
 817         device_disable(device);
 818
 819         switch (device->mode) {
 820         case CONNMAN_DEVICE_MODE_UNKNOWN:
 821         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
 822         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
 823                 break;
 824         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
 825                 __connman_profile_remove_device(device);
 826                 break;
 827         }
 828
 829         unregister_interface(&device->element);
 830
 831         if (device->driver->remove)
 832                 device->driver->remove(device);
 833
 834         device->driver = NULL;
 835 }
 836
 837 static void remove_driver(struct connman_element *element, gpointer user_data)
 838 {
 839         struct connman_device_driver *driver = user_data;
 840
 841         DBG("element %p name %s", element, element->name);
 842
 843         if (element->device == NULL)
 844                 return;
 845
 846         if (element->device->driver == driver)
 847                 remove_device(element->device);
 848 }
 849
 850 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 851 {
 852         if (device == NULL || device->driver == NULL)
 853                 return FALSE;
 854
 855         return device->registered;
 856 }
 857
 858 static GSList *driver_list = NULL;
 859
 860 static gint compare_priority(gconstpointer a, gconstpointer b)
 861 {
 862         const struct connman_device_driver *driver1 = a;
 863         const struct connman_device_driver *driver2 = b;
 864
 865         return driver2->priority - driver1->priority;
 866 }
 867
 868 /**
 869  * connman_device_driver_register:
 870  * @driver: device driver definition
 871  *
 872  * Register a new device driver
 873  *
 874  * Returns: %0 on success
 875  */
 876 int connman_device_driver_register(struct connman_device_driver *driver)
 877 {
 878         DBG("driver %p name %s", driver, driver->name);
 879
 880         driver_list = g_slist_insert_sorted(driver_list, driver,
 881                                                         compare_priority);
 882
 883         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 884                                                 probe_driver, driver);
 885
 886         return 0;
 887 }
 888
 889 /**
 890  * connman_device_driver_unregister:
 891  * @driver: device driver definition
 892  *
 893  * Remove a previously registered device driver
 894  */
 895 void connman_device_driver_unregister(struct connman_device_driver *driver)
 896 {
 897         DBG("driver %p name %s", driver, driver->name);
 898
 899         driver_list = g_slist_remove(driver_list, driver);
 900
 901         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
 902                                                 remove_driver, driver);
 903 }
 904
 905 static void unregister_network(gpointer data)
 906 {
 907         struct connman_network *network = data;
 908
 909         DBG("network %p", network);
 910
 911         connman_element_unregister((struct connman_element *) network);
 912
 913         connman_network_unref(network);
 914 }
 915
 916 static void device_destruct(struct connman_element *element)
 917 {
 918         struct connman_device *device = element->device;
 919
 920         DBG("element %p name %s", element, element->name);
 921
 922         g_free(device->node);
 923         g_free(device->name);
 924         g_free(device->address);
 925         g_free(device->interface);
 926
 927         g_free(device->last_network);
 928
 929         g_hash_table_destroy(device->networks);
 930         device->networks = NULL;
 931 }
 932
 933 /**
 934  * connman_device_create:
 935  * @node: device node name (for example an address)
 936  * @type: device type
 937  *
 938  * Allocate a new device of given #type and assign the #node name to it.
 939  *
 940  * Returns: a newly-allocated #connman_device structure
 941  */
 942 struct connman_device *connman_device_create(const char *node,
 943                                                 enum connman_device_type type)
 944 {
 945         struct connman_device *device;
 946         const char *str;
 947
 948         DBG("node %s type %d", node, type);
 949
 950         device = g_try_new0(struct connman_device, 1);
 951         if (device == NULL)
 952                 return NULL;
 953
 954         DBG("device %p", device);
 955
 956         __connman_element_initialize(&device->element);
 957
 958         device->element.name = g_strdup(node);
 959         device->element.type = CONNMAN_ELEMENT_TYPE_DEVICE;
 960
 961         device->element.device = device;
 962         device->element.destruct = device_destruct;
 963
 964         str = type2string(type);
 965         if (str != NULL)
 966                 connman_element_set_string(&device->element,
 967                                         CONNMAN_PROPERTY_ID_TYPE, str);
 968
 969         device->element.ipv4.method = CONNMAN_IPV4_METHOD_DHCP;
 970
 971         device->type   = type;
 972         device->name   = g_strdup(type2description(device->type));
 973         device->mode   = CONNMAN_DEVICE_MODE_UNKNOWN;
 974         device->policy = CONNMAN_DEVICE_POLICY_AUTO;
 975
 976         switch (type) {
 977         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 978         case CONNMAN_DEVICE_TYPE_VENDOR:
 979                 device->priority = 0;
 980                 device->scan_interval = 0;
 981                 break;
 982         case CONNMAN_DEVICE_TYPE_ETHERNET:
 983         case CONNMAN_DEVICE_TYPE_WIFI:
 984                 device->priority = 100;
 985                 device->scan_interval = 300;
 986                 break;
 987         case CONNMAN_DEVICE_TYPE_WIMAX:
 988                 device->priority = 20;
 989                 device->scan_interval = 0;
 990                 break;
 991         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 992                 device->priority = 50;
 993                 device->scan_interval = 0;
 994                 break;
 995         case CONNMAN_DEVICE_TYPE_GPS:
 996                 device->priority = 0;
 997                 device->scan_interval = 0;
 998                 break;
 999         case CONNMAN_DEVICE_TYPE_HSO:
1000         case CONNMAN_DEVICE_TYPE_NOZOMI:
1001         case CONNMAN_DEVICE_TYPE_HUAWEI:
1002         case CONNMAN_DEVICE_TYPE_NOVATEL:
1003                 device->priority = 60;
1004                 device->scan_interval = 0;
1005                 break;
1006         }
1007
1008         device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
1009                                                 g_free, unregister_network);
1010
1011         return device;
1012 }
1013
1014 /**
1015  * connman_device_ref:
1016  * @device: device structure
1017  *
1018  * Increase reference counter of device
1019  */
1020 struct connman_device *connman_device_ref(struct connman_device *device)
1021 {
1022         if (connman_element_ref(&device->element) == NULL)
1023                 return NULL;
1024
1025         return device;
1026 }
1027
1028 /**
1029  * connman_device_unref:
1030  * @device: device structure
1031  *
1032  * Decrease reference counter of device
1033  */
1034 void connman_device_unref(struct connman_device *device)
1035 {
1036         connman_element_unref(&device->element);
1037 }
1038
1039 const char *__connman_device_get_type(struct connman_device *device)
1040 {
1041         return type2string(device->type);
1042 }
1043
1044 /**
1045  * connman_device_get_type:
1046  * @device: device structure
1047  *
1048  * Get type of device
1049  */
1050 enum connman_device_type connman_device_get_type(struct connman_device *device)
1051 {
1052         return device->type;
1053 }
1054
1055 /**
1056  * connman_device_get_name:
1057  * @device: device structure
1058  *
1059  * Get unique name of device
1060  */
1061 const char *connman_device_get_name(struct connman_device *device)
1062 {
1063         return device->element.name;
1064 }
1065
1066 /**
1067  * connman_device_get_path:
1068  * @device: device structure
1069  *
1070  * Get path name of device
1071  */
1072 const char *connman_device_get_path(struct connman_device *device)
1073 {
1074         return device->element.path;
1075 }
1076
1077 /**
1078  * connman_device_set_index:
1079  * @device: device structure
1080  * @index: index number
1081  *
1082  * Set index number of device
1083  */
1084 void connman_device_set_index(struct connman_device *device, int index)
1085 {
1086         device->element.index = index;
1087 }
1088
1089 /**
1090  * connman_device_get_index:
1091  * @device: device structure
1092  *
1093  * Get index number of device
1094  */
1095 int connman_device_get_index(struct connman_device *device)
1096 {
1097         return device->element.index;
1098 }
1099
1100 /**
1101  * connman_device_set_interface:
1102  * @device: device structure
1103  * @interface: interface name
1104  *
1105  * Set interface name of device
1106  */
1107 void connman_device_set_interface(struct connman_device *device,
1108                                                         const char *interface)
1109 {
1110         g_free(device->element.devname);
1111         device->element.devname = g_strdup(interface);
1112
1113         g_free(device->interface);
1114         device->interface = g_strdup(interface);
1115
1116         if (device->name == NULL) {
1117                 const char *str = type2description(device->type);
1118                 if (str != NULL && device->interface != NULL)
1119                         device->name = g_strdup_printf("%s (%s)", str,
1120                                                         device->interface);
1121         }
1122 }
1123
1124 /**
1125  * connman_device_get_interface:
1126  * @device: device structure
1127  *
1128  * Get interface name of device
1129  */
1130 const char *connman_device_get_interface(struct connman_device *device)
1131 {
1132         return device->interface;
1133 }
1134
1135 /**
1136  * connman_device_set_policy:
1137  * @device: device structure
1138  * @policy: power and connection policy
1139  *
1140  * Change power and connection policy of device
1141  */
1142 void connman_device_set_policy(struct connman_device *device,
1143                                         enum connman_device_policy policy)
1144 {
1145         device->policy = policy;
1146 }
1147
1148 /**
1149  * connman_device_set_mode:
1150  * @device: device structure
1151  * @mode: network mode
1152  *
1153  * Change network mode of device
1154  */
1155 void connman_device_set_mode(struct connman_device *device,
1156                                                 enum connman_device_mode mode)
1157 {
1158         device->mode = mode;
1159 }
1160
1161 /**
1162  * connman_device_get_mode:
1163  * @device: device structure
1164  *
1165  * Get network mode of device
1166  */
1167 enum connman_device_mode connman_device_get_mode(struct connman_device *device)
1168 {
1169         return device->mode;
1170 }
1171
1172 /**
1173  * connman_device_set_powered:
1174  * @device: device structure
1175  * @powered: powered state
1176  *
1177  * Change power state of device
1178  */
1179 int connman_device_set_powered(struct connman_device *device,
1180                                                 connman_bool_t powered)
1181 {
1182         DBusMessage *signal;
1183         DBusMessageIter entry, value;
1184         const char *key = "Powered";
1185
1186         DBG("driver %p powered %d", device, powered);
1187
1188         if (device->powered == powered)
1189                 return -EALREADY;
1190
1191         device->powered = powered;
1192
1193         if (device->registered == FALSE)
1194                 return 0;
1195
1196         signal = dbus_message_new_signal(device->element.path,
1197                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1198         if (signal == NULL)
1199                 return 0;
1200
1201         dbus_message_iter_init_append(signal, &entry);
1202
1203         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1204
1205         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1206                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1207         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &powered);
1208         dbus_message_iter_close_container(&entry, &value);
1209
1210         g_dbus_send_message(connection, signal);
1211
1212         if (powered == FALSE)
1213                 return 0;
1214
1215         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1216                 return 0;
1217
1218         if (device->scan_timeout > 0) {
1219                 g_source_remove(device->scan_timeout);
1220                 device->scan_timeout = 0;
1221         }
1222
1223         if (device->scan_interval > 0) {
1224                 guint interval = device->scan_interval;
1225                 device->scan_timeout = g_timeout_add_seconds(interval,
1226                                         device_scan_trigger, device);
1227         }
1228
1229         if (device->driver->scan)
1230                 device->driver->scan(device);
1231
1232         return 0;
1233 }
1234
1235 /**
1236  * connman_device_set_carrier:
1237  * @device: device structure
1238  * @carrier: carrier state
1239  *
1240  * Change carrier state of device (only for device without scanning)
1241  */
1242 int connman_device_set_carrier(struct connman_device *device,
1243                                                 connman_bool_t carrier)
1244 {
1245         DBG("driver %p carrier %d", device, carrier);
1246
1247         switch (device->mode) {
1248         case CONNMAN_DEVICE_MODE_UNKNOWN:
1249         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1250         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1251                 return -EINVAL;
1252         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1253                 break;
1254         }
1255
1256         if (device->carrier == carrier)
1257                 return -EALREADY;
1258
1259         device->carrier = carrier;
1260
1261         if (carrier == TRUE)
1262                 device->disconnected = FALSE;
1263
1264         switch (device->policy) {
1265         case CONNMAN_DEVICE_POLICY_UNKNOWN:
1266         case CONNMAN_DEVICE_POLICY_IGNORE:
1267         case CONNMAN_DEVICE_POLICY_OFF:
1268                 return 0;
1269         case CONNMAN_DEVICE_POLICY_AUTO:
1270         case CONNMAN_DEVICE_POLICY_MANUAL:
1271                 break;
1272         }
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         return 0;
1285 }
1286
1287 int __connman_device_disconnect(struct connman_device *device)
1288 {
1289         GHashTableIter iter;
1290         gpointer key, value;
1291
1292         DBG("device %p", device);
1293
1294         connman_device_set_disconnected(device, TRUE);
1295
1296         g_hash_table_iter_init(&iter, device->networks);
1297
1298         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1299                 struct connman_network *network = value;
1300
1301                 if (connman_network_get_connected(network) == TRUE)
1302                         __connman_network_disconnect(network);
1303         }
1304
1305         return 0;
1306 }
1307
1308 static void connect_known_network(struct connman_device *device)
1309 {
1310         struct connman_network *network = NULL;
1311         GHashTableIter iter;
1312         gpointer key, value;
1313         unsigned int count = 0;
1314
1315         DBG("device %p", device);
1316
1317         g_hash_table_iter_init(&iter, device->networks);
1318
1319         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1320                 connman_uint8_t old_priority, new_priority;
1321                 connman_uint8_t old_strength, new_strength;
1322                 const char *name;
1323
1324                 count++;
1325
1326                 if (connman_network_get_available(value) == FALSE)
1327                         continue;
1328
1329                 name = connman_network_get_string(value,
1330                                                 CONNMAN_PROPERTY_ID_NAME);
1331                 if (name != NULL && device->last_network != NULL) {
1332                         if (g_str_equal(name, device->last_network) == TRUE) {
1333                                 network = value;
1334                                 break;
1335                         }
1336                 }
1337
1338                 if (connman_network_get_remember(value) == FALSE)
1339                         continue;
1340
1341                 if (network == NULL) {
1342                         network = value;
1343                         continue;
1344                 }
1345
1346                 old_priority = connman_network_get_uint8(network,
1347                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1348                 new_priority = connman_network_get_uint8(value,
1349                                                 CONNMAN_PROPERTY_ID_PRIORITY);
1350
1351                 if (new_priority != old_priority) {
1352                         if (new_priority > old_priority)
1353                                 network = value;
1354                         continue;
1355                 }
1356
1357                 old_strength = connman_network_get_uint8(network,
1358                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1359                 new_strength = connman_network_get_uint8(value,
1360                                                 CONNMAN_PROPERTY_ID_STRENGTH);
1361
1362                 if (new_strength > old_strength)
1363                         network = value;
1364         }
1365
1366         if (network != NULL) {
1367                 int err;
1368
1369                 err = connman_network_connect(network);
1370                 if (err == 0 || err == -EINPROGRESS)
1371                         return;
1372         }
1373
1374         if (count > 0)
1375                 return;
1376
1377         if (device->driver && device->driver->scan)
1378                 device->driver->scan(device);
1379 }
1380
1381 static void mark_network_unavailable(gpointer key, gpointer value,
1382                                                         gpointer user_data)
1383 {
1384         struct connman_network *network = value;
1385
1386         if (connman_network_get_connected(network) == TRUE)
1387                 return;
1388
1389         connman_network_set_available(network, FALSE);
1390 }
1391
1392 static gboolean remove_unavailable_network(gpointer key, gpointer value,
1393                                                         gpointer user_data)
1394 {
1395         struct connman_network *network = value;
1396
1397         if (connman_network_get_connected(network) == TRUE)
1398                 return FALSE;
1399
1400         if (connman_network_get_remember(network) == TRUE)
1401                 return FALSE;
1402
1403         if (connman_network_get_available(network) == TRUE)
1404                 return FALSE;
1405
1406         return TRUE;
1407 }
1408
1409 /**
1410  * connman_device_set_scanning:
1411  * @device: device structure
1412  * @scanning: scanning state
1413  *
1414  * Change scanning state of device
1415  */
1416 int connman_device_set_scanning(struct connman_device *device,
1417                                                 connman_bool_t scanning)
1418 {
1419         DBusMessage *signal;
1420         DBusMessageIter entry, value;
1421         const char *key = "Scanning";
1422
1423         DBG("driver %p scanning %d", device, scanning);
1424
1425         if (!device->driver || !device->driver->scan)
1426                 return -EINVAL;
1427
1428         if (device->scanning == scanning)
1429                 return -EALREADY;
1430
1431         device->scanning = scanning;
1432
1433         signal = dbus_message_new_signal(device->element.path,
1434                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1435         if (signal == NULL)
1436                 return 0;
1437
1438         dbus_message_iter_init_append(signal, &entry);
1439
1440         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
1441
1442         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1443                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
1444         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &scanning);
1445         dbus_message_iter_close_container(&entry, &value);
1446
1447         g_dbus_send_message(connection, signal);
1448
1449         if (scanning == TRUE) {
1450                 if (device->scan_timeout > 0) {
1451                         g_source_remove(device->scan_timeout);
1452                         device->scan_timeout = 0;
1453                 }
1454
1455                 if (device->scan_interval > 0) {
1456                         guint interval = device->scan_interval;
1457                         device->scan_timeout = g_timeout_add_seconds(interval,
1458                                                 device_scan_trigger, device);
1459                 }
1460
1461                 g_hash_table_foreach(device->networks,
1462                                         mark_network_unavailable, NULL);
1463                 return 0;
1464         }
1465
1466         g_hash_table_foreach_remove(device->networks,
1467                                         remove_unavailable_network, NULL);
1468
1469         if (device->connections > 0)
1470                 return 0;
1471
1472         if (device->disconnected == TRUE)
1473                 return 0;
1474
1475         if (device->policy != CONNMAN_DEVICE_POLICY_AUTO)
1476                 return 0;
1477
1478         connect_known_network(device);
1479
1480         return 0;
1481 }
1482
1483 /**
1484  * connman_device_set_disconnected:
1485  * @device: device structure
1486  * @disconnected: disconnected state
1487  *
1488  * Change disconnected state of device (only for device with networks)
1489  */
1490 int connman_device_set_disconnected(struct connman_device *device,
1491                                                 connman_bool_t disconnected)
1492 {
1493         DBG("driver %p disconnected %d", device, disconnected);
1494
1495         switch (device->mode) {
1496         case CONNMAN_DEVICE_MODE_UNKNOWN:
1497         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1498                 return -EINVAL;
1499         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1500         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1501                 break;
1502         }
1503
1504         if (device->disconnected == disconnected)
1505                 return -EALREADY;
1506
1507         device->disconnected = disconnected;
1508
1509         return 0;
1510 }
1511
1512 /**
1513  * connman_device_set_string:
1514  * @device: device structure
1515  * @key: unique identifier
1516  * @value: string value
1517  *
1518  * Set string value for specific key
1519  */
1520 int connman_device_set_string(struct connman_device *device,
1521                                         const char *key, const char *value)
1522 {
1523         DBG("device %p key %s value %s", device, key, value);
1524
1525         if (g_str_equal(key, "Address") == TRUE) {
1526                 g_free(device->address);
1527                 device->address = g_strdup(value);
1528         } else if (g_str_equal(key, "Name") == TRUE) {
1529                 g_free(device->name);
1530                 device->name = g_strdup(value);
1531         } else if (g_str_equal(key, "Node") == TRUE) {
1532                 g_free(device->node);
1533                 device->node = g_strdup(value);
1534         }
1535
1536         return connman_element_set_string(&device->element, key, value);
1537 }
1538
1539 /**
1540  * connman_device_get_string:
1541  * @device: device structure
1542  * @key: unique identifier
1543  *
1544  * Get string value for specific key
1545  */
1546 const char *connman_device_get_string(struct connman_device *device,
1547                                                         const char *key)
1548 {
1549         DBG("device %p key %s", device, key);
1550
1551         if (g_str_equal(key, "Address") == TRUE)
1552                 return device->address;
1553         else if (g_str_equal(key, "Name") == TRUE)
1554                 return device->name;
1555         else if (g_str_equal(key, "Node") == TRUE)
1556                 return device->node;
1557
1558         return connman_element_get_string(&device->element, key);
1559 }
1560
1561 static void set_offlinemode(struct connman_element *element, gpointer user_data)
1562 {
1563         struct connman_device *device = element->device;
1564         connman_bool_t offlinemode = GPOINTER_TO_UINT(user_data);
1565         connman_bool_t powered;
1566
1567         DBG("element %p name %s", element, element->name);
1568
1569         if (device == NULL)
1570                 return;
1571
1572         powered = (offlinemode == TRUE) ? FALSE : TRUE;
1573
1574         if (device->powered == powered)
1575                 return;
1576
1577         set_powered(device, powered);
1578 }
1579
1580 int __connman_device_set_offlinemode(connman_bool_t offlinemode)
1581 {
1582         DBG("offlinmode %d", offlinemode);
1583
1584         __connman_element_foreach(NULL, CONNMAN_ELEMENT_TYPE_DEVICE,
1585                         set_offlinemode, GUINT_TO_POINTER(offlinemode));
1586
1587         __connman_notifier_offline_mode(offlinemode);
1588
1589         return 0;
1590 }
1591
1592 void __connman_device_increase_connections(struct connman_device *device)
1593 {
1594         device->connections++;
1595 }
1596
1597 void __connman_device_decrease_connections(struct connman_device *device)
1598 {
1599         device->connections--;
1600 }
1601
1602 /**
1603  * connman_device_add_network:
1604  * @device: device structure
1605  * @network: network structure
1606  *
1607  * Add new network to the device
1608  */
1609 int connman_device_add_network(struct connman_device *device,
1610                                         struct connman_network *network)
1611 {
1612         const char *identifier = connman_network_get_identifier(network);
1613         int err;
1614
1615         DBG("device %p network %p", device, network);
1616
1617         switch (device->mode) {
1618         case CONNMAN_DEVICE_MODE_UNKNOWN:
1619         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1620                 return -EINVAL;
1621         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1622         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1623                 break;
1624         }
1625
1626         __connman_network_set_device(network, device);
1627
1628         __connman_storage_load_network(network);
1629
1630         err = connman_element_register((struct connman_element *) network,
1631                                                         &device->element);
1632         if (err < 0) {
1633                 __connman_network_set_device(network, NULL);
1634                 return err;
1635         }
1636
1637         g_hash_table_insert(device->networks, g_strdup(identifier),
1638                                                                 network);
1639
1640         return 0;
1641 }
1642
1643 /**
1644  * connman_device_get_network:
1645  * @device: device structure
1646  * @identifier: network identifier
1647  *
1648  * Get network for given identifier
1649  */
1650 struct connman_network *connman_device_get_network(struct connman_device *device,
1651                                                         const char *identifier)
1652 {
1653         DBG("device %p identifier %s", device, identifier);
1654
1655         return g_hash_table_lookup(device->networks, identifier);
1656 }
1657
1658 /**
1659  * connman_device_remove_network:
1660  * @device: device structure
1661  * @identifier: network identifier
1662  *
1663  * Remove network for given identifier
1664  */
1665 int connman_device_remove_network(struct connman_device *device,
1666                                                         const char *identifier)
1667 {
1668         DBG("device %p identifier %s", device, identifier);
1669
1670         g_hash_table_remove(device->networks, identifier);
1671
1672         return 0;
1673 }
1674
1675 void __connman_device_set_network(struct connman_device *device,
1676                                         struct connman_network *network)
1677 {
1678         const char *name;
1679
1680         if (network != NULL) {
1681                 name = connman_network_get_string(network,
1682                                                 CONNMAN_PROPERTY_ID_NAME);
1683                 device->last_network = g_strdup(name);
1684         }
1685
1686         device->network = network;
1687 }
1688
1689 /**
1690  * connman_device_register:
1691  * @device: device structure
1692  *
1693  * Register device with the system
1694  */
1695 int connman_device_register(struct connman_device *device)
1696 {
1697         __connman_storage_load_device(device);
1698
1699         switch (device->mode) {
1700         case CONNMAN_DEVICE_MODE_UNKNOWN:
1701         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1702                 break;
1703         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1704         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1705                 __connman_storage_init_network(device);
1706                 break;
1707         }
1708
1709         return connman_element_register(&device->element, NULL);
1710 }
1711
1712 /**
1713  * connman_device_unregister:
1714  * @device: device structure
1715  *
1716  * Unregister device with the system
1717  */
1718 void connman_device_unregister(struct connman_device *device)
1719 {
1720         __connman_storage_save_device(device);
1721
1722         connman_element_unregister(&device->element);
1723 }
1724
1725 /**
1726  * connman_device_get_data:
1727  * @device: device structure
1728  *
1729  * Get private device data pointer
1730  */
1731 void *connman_device_get_data(struct connman_device *device)
1732 {
1733         return device->driver_data;
1734 }
1735
1736 /**
1737  * connman_device_set_data:
1738  * @device: device structure
1739  * @data: data pointer
1740  *
1741  * Set private device data pointer
1742  */
1743 void connman_device_set_data(struct connman_device *device, void *data)
1744 {
1745         device->driver_data = data;
1746 }
1747
1748 static gboolean match_driver(struct connman_device *device,
1749                                         struct connman_device_driver *driver)
1750 {
1751         if (device->type == driver->type ||
1752                         driver->type == CONNMAN_DEVICE_TYPE_UNKNOWN)
1753                 return TRUE;
1754
1755         return FALSE;
1756 }
1757
1758 static int device_probe(struct connman_element *element)
1759 {
1760         struct connman_device *device = element->device;
1761         GSList *list;
1762
1763         DBG("element %p name %s", element, element->name);
1764
1765         if (device == NULL)
1766                 return -ENODEV;
1767
1768         if (device->driver != NULL)
1769                 return -EALREADY;
1770
1771         for (list = driver_list; list; list = list->next) {
1772                 struct connman_device_driver *driver = list->data;
1773
1774                 if (match_driver(device, driver) == FALSE)
1775                         continue;
1776
1777                 DBG("driver %p name %s", driver, driver->name);
1778
1779                 if (driver->probe(device) == 0) {
1780                         device->driver = driver;
1781                         break;
1782                 }
1783         }
1784
1785         if (device->driver == NULL)
1786                 return -ENODEV;
1787
1788         return setup_device(device);
1789 }
1790
1791 static void device_remove(struct connman_element *element)
1792 {
1793         struct connman_device *device = element->device;
1794
1795         DBG("element %p name %s", element, element->name);
1796
1797         if (device == NULL)
1798                 return;
1799
1800         if (device->driver == NULL)
1801                 return;
1802
1803         remove_device(device);
1804 }
1805
1806 static struct connman_driver device_driver = {
1807         .name           = "device",
1808         .type           = CONNMAN_ELEMENT_TYPE_DEVICE,
1809         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1810         .probe          = device_probe,
1811         .remove         = device_remove,
1812 };
1813
1814 static int device_load(struct connman_device *device)
1815 {
1816         GKeyFile *keyfile;
1817         gchar *pathname, *data = NULL;
1818         gsize length;
1819         char *str;
1820         int val;
1821
1822         DBG("device %p", device);
1823
1824         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1825                                                         device->element.name);
1826         if (pathname == NULL)
1827                 return -ENOMEM;
1828
1829         keyfile = g_key_file_new();
1830
1831         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1832                 g_free(pathname);
1833                 return -ENOENT;
1834         }
1835
1836         g_free(pathname);
1837
1838         if (g_key_file_load_from_data(keyfile, data, length,
1839                                                         0, NULL) == FALSE) {
1840                 g_free(data);
1841                 return -EILSEQ;
1842         }
1843
1844         g_free(data);
1845
1846         str = g_key_file_get_string(keyfile, "Configuration", "Policy", NULL);
1847         if (str != NULL) {
1848                 device->policy = string2policy(str);
1849                 g_free(str);
1850         }
1851
1852         val = g_key_file_get_integer(keyfile, "Configuration",
1853                                                         "Priority", NULL);
1854         if (val > 0)
1855                 device->priority = val;
1856
1857         switch (device->mode) {
1858         case CONNMAN_DEVICE_MODE_UNKNOWN:
1859         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1860                 break;
1861         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1862         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1863                 val = g_key_file_get_integer(keyfile, "Configuration",
1864                                                         "ScanInterval", NULL);
1865                 if (val > 0)
1866                         device->scan_interval = val;
1867                 break;
1868         }
1869
1870 #if 0
1871         str = g_key_file_get_string(keyfile, "Configuration",
1872                                                         "LastNetwork", NULL);
1873         if (str != NULL)
1874                 device->last_network = str;
1875 #endif
1876
1877         g_key_file_free(keyfile);
1878
1879         return 0;
1880 }
1881
1882 static int device_save(struct connman_device *device)
1883 {
1884         GKeyFile *keyfile;
1885         gchar *pathname, *data = NULL;
1886         gsize length;
1887         const char *str;
1888
1889         DBG("device %p", device);
1890
1891         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR,
1892                                                         device->element.name);
1893         if (pathname == NULL)
1894                 return -ENOMEM;
1895
1896         keyfile = g_key_file_new();
1897
1898         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1899                 goto update;
1900
1901         if (length > 0) {
1902                 if (g_key_file_load_from_data(keyfile, data, length,
1903                                                         0, NULL) == FALSE)
1904                         goto done;
1905         }
1906
1907         g_free(data);
1908
1909 update:
1910         str = policy2string(device->policy);
1911         if (str != NULL)
1912                 g_key_file_set_string(keyfile, "Configuration", "Policy", str);
1913
1914         if (device->priority > 0)
1915                 g_key_file_set_integer(keyfile, "Configuration",
1916                                                 "Priority", device->priority);
1917
1918         switch (device->mode) {
1919         case CONNMAN_DEVICE_MODE_UNKNOWN:
1920         case CONNMAN_DEVICE_MODE_TRANSPORT_IP:
1921                 break;
1922         case CONNMAN_DEVICE_MODE_NETWORK_SINGLE:
1923         case CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE:
1924                 if (device->scan_interval > 0)
1925                         g_key_file_set_integer(keyfile, "Configuration",
1926                                         "ScanInterval", device->scan_interval);
1927                 break;
1928         }
1929
1930         if (device->last_network != NULL)
1931                 g_key_file_set_string(keyfile, "Configuration",
1932                                         "LastNetwork", device->last_network);
1933
1934         data = g_key_file_to_data(keyfile, &length, NULL);
1935
1936         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1937                 connman_error("Failed to store device information");
1938
1939 done:
1940         g_free(data);
1941
1942         g_key_file_free(keyfile);
1943
1944         g_free(pathname);
1945
1946         if (device->network != NULL)
1947                 __connman_storage_save_network(device->network);
1948
1949         return 0;
1950 }
1951
1952 static struct connman_storage device_storage = {
1953         .name           = "device",
1954         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1955         .device_load    = device_load,
1956         .device_save    = device_save,
1957 };
1958
1959 int __connman_device_init(void)
1960 {
1961         DBG("");
1962
1963         connection = connman_dbus_get_connection();
1964
1965         if (connman_storage_register(&device_storage) < 0)
1966                 connman_error("Failed to register device storage");
1967
1968         return connman_driver_register(&device_driver);
1969 }
1970
1971 void __connman_device_cleanup(void)
1972 {
1973         DBG("");
1974
1975         connman_driver_unregister(&device_driver);
1976
1977         connman_storage_unregister(&device_storage);
1978
1979         dbus_connection_unref(connection);
1980 }