vcs.maemo.org Git - connman/blob - src/network.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 <string.h>
  27
  28 #include <gdbus.h>
  29
  30 #include "connman.h"
  31
  32 struct connman_network {
  33         struct connman_element element;
  34         enum connman_network_type type;
  35         enum connman_network_protocol protocol;
  36         connman_bool_t connected;
  37         connman_bool_t remember;
  38         connman_uint8_t strength;
  39         char *identifier;
  40         char *name;
  41         char *node;
  42
  43         struct connman_network_driver *driver;
  44         void *driver_data;
  45
  46         connman_bool_t registered;
  47
  48         struct connman_device *device;
  49
  50         struct {
  51                 void *ssid;
  52                 int ssid_len;
  53                 char *mode;
  54                 char *security;
  55                 char *passphrase;
  56         } wifi;
  57 };
  58
  59 static const char *type2string(enum connman_network_type type)
  60 {
  61         switch (type) {
  62         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  63         case CONNMAN_NETWORK_TYPE_VENDOR:
  64                 break;
  65         case CONNMAN_NETWORK_TYPE_WIFI:
  66                 return "wifi";
  67         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  68         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  69                 return "bluetooth";
  70         case CONNMAN_NETWORK_TYPE_HSO:
  71                 return "cellular";
  72         }
  73
  74         return NULL;
  75 }
  76
  77 static DBusMessage *get_properties(DBusConnection *conn,
  78                                         DBusMessage *msg, void *data)
  79 {
  80         struct connman_network *network = data;
  81         DBusMessage *reply;
  82         DBusMessageIter array, dict;
  83
  84         DBG("conn %p", conn);
  85
  86         reply = dbus_message_new_method_return(msg);
  87         if (reply == NULL)
  88                 return NULL;
  89
  90         dbus_message_iter_init_append(reply, &array);
  91
  92         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
  93                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
  94                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
  95                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
  96
  97         if (network->device) {
  98                 const char *path = connman_device_get_path(network->device);
  99                 if (path != NULL)
 100                         connman_dbus_dict_append_variant(&dict, "Device",
 101                                                 DBUS_TYPE_OBJECT_PATH, &path);
 102         }
 103
 104         if (network->name != NULL)
 105                 connman_dbus_dict_append_variant(&dict, "Name",
 106                                         DBUS_TYPE_STRING, &network->name);
 107
 108         connman_dbus_dict_append_variant(&dict, "Connected",
 109                                 DBUS_TYPE_BOOLEAN, &network->connected);
 110
 111         connman_dbus_dict_append_variant(&dict, "Remember",
 112                                 DBUS_TYPE_BOOLEAN, &network->remember);
 113
 114         if (network->strength > 0)
 115                 connman_dbus_dict_append_variant(&dict, "Strength",
 116                                         DBUS_TYPE_BYTE, &network->strength);
 117
 118         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 119                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 120                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 121                                                 network->wifi.ssid_len);
 122
 123         if (network->wifi.mode != NULL)
 124                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 125                                 DBUS_TYPE_STRING, &network->wifi.mode);
 126
 127         if (network->wifi.security != NULL)
 128                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 129                                 DBUS_TYPE_STRING, &network->wifi.security);
 130
 131         if (network->wifi.passphrase != NULL)
 132                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 133                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 134
 135         dbus_message_iter_close_container(&array, &dict);
 136
 137         return reply;
 138 }
 139
 140 static DBusMessage *set_property(DBusConnection *conn,
 141                                         DBusMessage *msg, void *data)
 142 {
 143         struct connman_network *network = data;
 144         DBusMessageIter iter, value;
 145         const char *name;
 146
 147         DBG("conn %p", conn);
 148
 149         if (dbus_message_iter_init(msg, &iter) == FALSE)
 150                 return __connman_error_invalid_arguments(msg);
 151
 152         dbus_message_iter_get_basic(&iter, &name);
 153         dbus_message_iter_next(&iter);
 154         dbus_message_iter_recurse(&iter, &value);
 155
 156         if (__connman_security_check_privileges(msg) < 0)
 157                 return __connman_error_permission_denied(msg);
 158
 159         if (g_str_equal(name, "Remember") == TRUE) {
 160                 connman_bool_t remember;
 161
 162                 dbus_message_iter_get_basic(&value, &remember);
 163
 164                 if (network->remember == remember)
 165                         return __connman_error_invalid_arguments(msg);
 166         } else if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 167                 const char *passphrase;
 168
 169                 dbus_message_iter_get_basic(&value, &passphrase);
 170
 171                 g_free(network->wifi.passphrase);
 172                 network->wifi.passphrase = g_strdup(passphrase);
 173         }
 174
 175         __connman_storage_save_network(network);
 176
 177         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 178 }
 179
 180 static DBusMessage *do_connect(DBusConnection *conn,
 181                                         DBusMessage *msg, void *data)
 182 {
 183         struct connman_network *network = data;
 184         int err;
 185
 186         DBG("conn %p", conn);
 187
 188         if (network->connected == TRUE)
 189                 return __connman_error_failed(msg);
 190
 191         if (network->driver && network->driver->connect) {
 192                 err = network->driver->connect(network);
 193                 if (err < 0 && err != -EINPROGRESS)
 194                         return __connman_error_failed(msg);
 195         } else
 196                 network->connected = TRUE;
 197
 198         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 199 }
 200
 201 static DBusMessage *do_disconnect(DBusConnection *conn,
 202                                         DBusMessage *msg, void *data)
 203 {
 204         struct connman_network *network = data;
 205         int err;
 206
 207         DBG("conn %p", conn);
 208
 209         if (network->connected == FALSE)
 210                 return __connman_error_failed(msg);
 211
 212         connman_element_unregister_children(&network->element);
 213
 214         if (network->driver && network->driver->disconnect) {
 215                 err = network->driver->disconnect(network);
 216                 if (err < 0 && err != -EINPROGRESS)
 217                         return __connman_error_failed(msg);
 218         } else
 219                 network->connected = FALSE;
 220
 221         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 222 }
 223
 224 static GDBusMethodTable network_methods[] = {
 225         { "GetProperties", "",   "a{sv}", get_properties },
 226         { "SetProperty",   "sv", "",      set_property   },
 227         { "Connect",       "",   "",      do_connect     },
 228         { "Disconnect",    "",   "",      do_disconnect  },
 229         { },
 230 };
 231
 232 static GDBusSignalTable network_signals[] = {
 233         { "PropertyChanged", "sv" },
 234         { },
 235 };
 236
 237 static DBusConnection *connection;
 238
 239 static void append_networks(struct connman_device *device,
 240                                                 DBusMessageIter *entry)
 241 {
 242         DBusMessageIter value, iter;
 243         const char *key = "Networks";
 244
 245         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 246
 247         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 248                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 249                                                                 &value);
 250
 251         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 252                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 253         __connman_element_list((struct connman_element *) device,
 254                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 255         dbus_message_iter_close_container(&value, &iter);
 256
 257         dbus_message_iter_close_container(entry, &value);
 258 }
 259
 260 static void emit_networks_signal(struct connman_device *device)
 261 {
 262         DBusMessage *signal;
 263         DBusMessageIter entry;
 264
 265         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 266                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 267         if (signal == NULL)
 268                 return;
 269
 270         dbus_message_iter_init_append(signal, &entry);
 271
 272         append_networks(device, &entry);
 273
 274         g_dbus_send_message(connection, signal);
 275 }
 276
 277 static int register_interface(struct connman_element *element)
 278 {
 279         struct connman_network *network = element->network;
 280
 281         DBG("element %p name %s", element, element->name);
 282
 283         if (g_dbus_register_interface(connection, element->path,
 284                                         CONNMAN_NETWORK_INTERFACE,
 285                                         network_methods, network_signals,
 286                                         NULL, network, NULL) == FALSE) {
 287                 connman_error("Failed to register %s network", element->path);
 288                 return -EIO;
 289         }
 290
 291         network->registered = TRUE;
 292
 293         emit_networks_signal(network->device);
 294
 295         return 0;
 296 }
 297
 298 static void unregister_interface(struct connman_element *element)
 299 {
 300         struct connman_network * network = element->network;
 301
 302         DBG("element %p name %s", element, element->name);
 303
 304         network->registered = FALSE;
 305
 306         emit_networks_signal(network->device);
 307
 308         g_dbus_unregister_interface(connection, element->path,
 309                                                 CONNMAN_NETWORK_INTERFACE);
 310 }
 311
 312 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 313 {
 314         if (network == NULL || network->driver == NULL)
 315                 return FALSE;
 316
 317         return network->registered;
 318 }
 319
 320 static GSList *driver_list = NULL;
 321
 322 static gint compare_priority(gconstpointer a, gconstpointer b)
 323 {
 324         const struct connman_network_driver *driver1 = a;
 325         const struct connman_network_driver *driver2 = b;
 326
 327         return driver2->priority - driver1->priority;
 328 }
 329
 330 /**
 331  * connman_network_driver_register:
 332  * @driver: network driver definition
 333  *
 334  * Register a new network driver
 335  *
 336  * Returns: %0 on success
 337  */
 338 int connman_network_driver_register(struct connman_network_driver *driver)
 339 {
 340         DBG("driver %p name %s", driver, driver->name);
 341
 342         driver_list = g_slist_insert_sorted(driver_list, driver,
 343                                                         compare_priority);
 344
 345         return 0;
 346 }
 347
 348 /**
 349  * connman_network_driver_unregister:
 350  * @driver: network driver definition
 351  *
 352  * Remove a previously registered network driver
 353  */
 354 void connman_network_driver_unregister(struct connman_network_driver *driver)
 355 {
 356         DBG("driver %p name %s", driver, driver->name);
 357
 358         driver_list = g_slist_remove(driver_list, driver);
 359 }
 360
 361 static void network_destruct(struct connman_element *element)
 362 {
 363         struct connman_network *network = element->network;
 364
 365         DBG("element %p name %s", element, element->name);
 366
 367         g_free(network->wifi.ssid);
 368         g_free(network->wifi.mode);
 369         g_free(network->wifi.security);
 370         g_free(network->wifi.passphrase);
 371
 372         g_free(network->node);
 373         g_free(network->name);
 374         g_free(network->identifier);
 375 }
 376
 377 /**
 378  * connman_network_create:
 379  * @identifier: network identifier (for example an unqiue name)
 380  *
 381  * Allocate a new network and assign the #identifier to it.
 382  *
 383  * Returns: a newly-allocated #connman_network structure
 384  */
 385 struct connman_network *connman_network_create(const char *identifier,
 386                                                 enum connman_network_type type)
 387 {
 388         struct connman_network *network;
 389         connman_uint8_t strength = 0;
 390         const char *str;
 391
 392         DBG("identifier %s type %d", identifier, type);
 393
 394         network = g_try_new0(struct connman_network, 1);
 395         if (network == NULL)
 396                 return NULL;
 397
 398         DBG("network %p", network);
 399
 400         network->element.refcount = 1;
 401
 402         network->element.name = g_strdup(identifier);
 403         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 404         network->element.index = -1;
 405
 406         network->element.network = network;
 407         network->element.destruct = network_destruct;
 408
 409         str = type2string(type);
 410         if (str != NULL)
 411                 connman_element_add_static_property(&network->element,
 412                                         "Type", DBUS_TYPE_STRING, &str);
 413
 414         connman_element_add_static_property(&network->element,
 415                                         "Strength", DBUS_TYPE_BYTE, &strength);
 416
 417         network->type = type;
 418         network->identifier = g_strdup(identifier);
 419
 420         return network;
 421 }
 422
 423 /**
 424  * connman_network_ref:
 425  * @network: network structure
 426  *
 427  * Increase reference counter of  network
 428  */
 429 struct connman_network *connman_network_ref(struct connman_network *network)
 430 {
 431         if (connman_element_ref(&network->element) == NULL)
 432                 return NULL;
 433
 434         return network;
 435 }
 436
 437 /**
 438  * connman_network_unref:
 439  * @network: network structure
 440  *
 441  * Decrease reference counter of network
 442  */
 443 void connman_network_unref(struct connman_network *network)
 444 {
 445         connman_element_unref(&network->element);
 446 }
 447
 448 /**
 449  * connman_network_get_identifier:
 450  * @network: network structure
 451  *
 452  * Get identifier of network
 453  */
 454 const char *connman_network_get_identifier(struct connman_network *network)
 455 {
 456         return network->identifier;
 457 }
 458
 459 /**
 460  * connman_network_get_path:
 461  * @network: network structure
 462  *
 463  * Get path name of network
 464  */
 465 const char *connman_network_get_path(struct connman_network *network)
 466 {
 467         return network->element.path;
 468 }
 469
 470 /**
 471  * connman_network_set_index:
 472  * @network: network structure
 473  * @index: index number
 474  *
 475  * Set index number of network
 476  */
 477 void connman_network_set_index(struct connman_network *network, int index)
 478 {
 479         network->element.index = index;
 480 }
 481
 482 /**
 483  * connman_network_get_index:
 484  * @network: network structure
 485  *
 486  * Get index number of network
 487  */
 488 int connman_network_get_index(struct connman_network *network)
 489 {
 490         return network->element.index;
 491 }
 492
 493 /**
 494  * connman_network_set_protocol:
 495  * @network: network structure
 496  * @protocol: network protocol
 497  *
 498  * Change protocol of network
 499  */
 500 void connman_network_set_protocol(struct connman_network *network,
 501                                         enum connman_network_protocol protocol)
 502 {
 503         network->protocol = protocol;
 504 }
 505
 506 /**
 507  * connman_network_set_connected:
 508  * @network: network structure
 509  * @connected: connected state
 510  *
 511  * Change connected state of network
 512  */
 513 int connman_network_set_connected(struct connman_network *network,
 514                                                 connman_bool_t connected)
 515 {
 516         DBG("network %p connected %d", network, connected);
 517
 518         if (network->connected == connected)
 519                 return -EALREADY;
 520
 521         network->connected = connected;
 522
 523         if (connected == TRUE) {
 524                 struct connman_element *element;
 525                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 526
 527                 switch (network->protocol) {
 528                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 529                         return 0;
 530                 case CONNMAN_NETWORK_PROTOCOL_IP:
 531                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 532                         break;
 533                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 534                         type = CONNMAN_ELEMENT_TYPE_PPP;
 535                         break;
 536                 }
 537
 538                 __connman_device_increase_connections(network->device);
 539
 540                 element = connman_element_create(NULL);
 541                 if (element != NULL) {
 542                         element->type  = type;
 543                         element->index = network->element.index;
 544
 545                         if (connman_element_register(element,
 546                                                 &network->element) < 0)
 547                                 connman_element_unref(element);
 548                 }
 549         } else {
 550                 connman_element_unregister_children(&network->element);
 551
 552                 __connman_device_decrease_connections(network->device);
 553         }
 554
 555         return 0;
 556 }
 557
 558 /**
 559  * connman_network_get_remember:
 560  * @network: network structure
 561  *
 562  * Get network remember setting
 563  */
 564 connman_bool_t connman_network_get_remember(struct connman_network *network)
 565 {
 566         return network->remember;
 567 }
 568
 569 /**
 570  * connman_network_connect:
 571  * @network: network structure
 572  *
 573  * Connect network
 574  */
 575 int connman_network_connect(struct connman_network *network)
 576 {
 577         if (network->connected == TRUE)
 578                 return -EALREADY;
 579
 580         if (network->driver && network->driver->connect)
 581                 return network->driver->connect(network);
 582
 583         network->connected = TRUE;
 584
 585         return 0;
 586 }
 587
 588 /**
 589  * connman_network_set_string:
 590  * @network: network structure
 591  * @key: unique identifier
 592  * @value: string value
 593  *
 594  * Set string value for specific key
 595  */
 596 int connman_network_set_string(struct connman_network *network,
 597                                         const char *key, const char *value)
 598 {
 599         DBG("network %p key %s value %s", network, key, value);
 600
 601         if (g_str_equal(key, "Name") == TRUE) {
 602                 g_free(network->name);
 603                 network->name = g_strdup(value);
 604         } else if (g_str_equal(key, "Node") == TRUE) {
 605                 g_free(network->node);
 606                 network->node = g_strdup(value);
 607         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 608                 g_free(network->wifi.mode);
 609                 network->wifi.mode = g_strdup(value);
 610         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 611                 g_free(network->wifi.security);
 612                 network->wifi.security = g_strdup(value);
 613         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 614                 g_free(network->wifi.passphrase);
 615                 network->wifi.passphrase = g_strdup(value);
 616         }
 617
 618         return 0;
 619 }
 620
 621 /**
 622  * connman_network_get_string:
 623  * @network: network structure
 624  * @key: unique identifier
 625  *
 626  * Get string value for specific key
 627  */
 628 const char *connman_network_get_string(struct connman_network *network,
 629                                                         const char *key)
 630 {
 631         DBG("network %p key %s", network, key);
 632
 633         if (g_str_equal(key, "Name") == TRUE)
 634                 return network->name;
 635         else if (g_str_equal(key, "Node") == TRUE)
 636                 return network->node;
 637         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
 638                 return network->wifi.mode;
 639         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 640                 return network->wifi.security;
 641         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 642                 return network->wifi.passphrase;
 643
 644         return NULL;
 645 }
 646
 647 /**
 648  * connman_network_set_uint8:
 649  * @network: network structure
 650  * @key: unique identifier
 651  * @value: integer value
 652  *
 653  * Set integer value for specific key
 654  */
 655 int connman_network_set_uint8(struct connman_network *network,
 656                                         const char *key, connman_uint8_t value)
 657 {
 658         DBG("network %p key %s value %d", network, key, value);
 659
 660         if (g_str_equal(key, "Strength") == TRUE) {
 661                 network->strength = value;
 662                 connman_element_set_static_property(&network->element,
 663                                         "Strength", DBUS_TYPE_BYTE, &value);
 664         }
 665
 666         return 0;
 667 }
 668
 669 /**
 670  * connman_network_set_blob:
 671  * @network: network structure
 672  * @key: unique identifier
 673  * @data: blob data
 674  * @size: blob size
 675  *
 676  * Set binary blob value for specific key
 677  */
 678 int connman_network_set_blob(struct connman_network *network,
 679                         const char *key, const void *data, unsigned int size)
 680 {
 681         DBG("network %p key %s size %d", network, key, size);
 682
 683         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 684                 g_free(network->wifi.ssid);
 685                 network->wifi.ssid = g_try_malloc(size);
 686                 if (network->wifi.ssid != NULL) {
 687                         memcpy(network->wifi.ssid, data, size);
 688                         network->wifi.ssid_len = size;
 689                 } else
 690                         network->wifi.ssid_len = 0;
 691         }
 692
 693         return 0;
 694 }
 695
 696 /**
 697  * connman_network_get_blob:
 698  * @network: network structure
 699  * @key: unique identifier
 700  * @size: pointer to blob size
 701  *
 702  * Get binary blob value for specific key
 703  */
 704 const void *connman_network_get_blob(struct connman_network *network,
 705                                         const char *key, unsigned int *size)
 706 {
 707         DBG("network %p key %s", network, key);
 708
 709         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 710                 if (size != NULL)
 711                         *size = network->wifi.ssid_len;
 712                 return network->wifi.ssid;
 713         }
 714
 715         return NULL;
 716 }
 717
 718 void __connman_network_set_device(struct connman_network *network,
 719                                         struct connman_device *device)
 720 {
 721         network->device = device;
 722 }
 723
 724 /**
 725  * connman_network_get_device:
 726  * @network: network structure
 727  *
 728  * Get parent device of network
 729  */
 730 struct connman_device *connman_network_get_device(struct connman_network *network)
 731 {
 732         return network->device;
 733 }
 734
 735 /**
 736  * connman_network_get_data:
 737  * @network: network structure
 738  *
 739  * Get private network data pointer
 740  */
 741 void *connman_network_get_data(struct connman_network *network)
 742 {
 743         return network->driver_data;
 744 }
 745
 746 /**
 747  * connman_network_set_data:
 748  * @network: network structure
 749  * @data: data pointer
 750  *
 751  * Set private network data pointer
 752  */
 753 void connman_network_set_data(struct connman_network *network, void *data)
 754 {
 755         network->driver_data = data;
 756 }
 757
 758 static gboolean match_driver(struct connman_network *network,
 759                                         struct connman_network_driver *driver)
 760 {
 761         if (network->type == driver->type ||
 762                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
 763                 return TRUE;
 764
 765         return FALSE;
 766 }
 767
 768 static int network_probe(struct connman_element *element)
 769 {
 770         struct connman_network *network = element->network;
 771         GSList *list;
 772         int err;
 773
 774         DBG("element %p name %s", element, element->name);
 775
 776         if (network == NULL)
 777                 return -ENODEV;
 778
 779         for (list = driver_list; list; list = list->next) {
 780                 struct connman_network_driver *driver = list->data;
 781
 782                 if (match_driver(network, driver) == FALSE)
 783                         continue;
 784
 785                 DBG("driver %p name %s", driver, driver->name);
 786
 787                 if (driver->probe(network) == 0) {
 788                         network->driver = driver;
 789                         break;
 790                 }
 791         }
 792
 793         if (network->driver == NULL)
 794                 return -ENODEV;
 795
 796         err = register_interface(element);
 797         if (err < 0) {
 798                 if (network->driver->remove)
 799                         network->driver->remove(network);
 800                 return err;
 801         }
 802
 803         return 0;
 804 }
 805
 806 static void network_remove(struct connman_element *element)
 807 {
 808         struct connman_network *network = element->network;
 809
 810         DBG("element %p name %s", element, element->name);
 811
 812         if (network == NULL)
 813                 return;
 814
 815         if (network->driver == NULL)
 816                 return;
 817
 818         unregister_interface(element);
 819
 820         if (network->driver->remove)
 821                 network->driver->remove(network);
 822 }
 823
 824 static struct connman_driver network_driver = {
 825         .name           = "network",
 826         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
 827         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
 828         .probe          = network_probe,
 829         .remove         = network_remove,
 830 };
 831
 832 static int network_load(struct connman_network *network)
 833 {
 834         GKeyFile *keyfile;
 835         gchar *pathname, *data = NULL;
 836         gsize length;
 837         const char *name;
 838
 839         DBG("network %p", network);
 840
 841         name = connman_device_get_name(network->device);
 842         if (name == NULL)
 843                 return -EINVAL;
 844
 845         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
 846         if (pathname == NULL)
 847                 return -ENOMEM;
 848
 849         keyfile = g_key_file_new();
 850
 851         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
 852                 g_free(pathname);
 853                 return -ENOENT;
 854         }
 855
 856         g_free(pathname);
 857
 858         if (g_key_file_load_from_data(keyfile, data, length,
 859                                                         0, NULL) == FALSE) {
 860                 g_free(data);
 861                 return -EILSEQ;
 862         }
 863
 864         g_free(data);
 865
 866         network->remember = g_key_file_get_boolean(keyfile,
 867                                         network->identifier, "Remember", NULL);
 868
 869         g_free(network->wifi.security);
 870         network->wifi.security = g_key_file_get_string(keyfile,
 871                                 network->identifier, "WiFi.Security", NULL);
 872
 873         g_free(network->wifi.passphrase);
 874         network->wifi.passphrase = g_key_file_get_string(keyfile,
 875                                 network->identifier, "WiFi.Passphrase", NULL);
 876
 877         g_key_file_free(keyfile);
 878
 879         return 0;
 880 }
 881
 882 static int network_save(struct connman_network *network)
 883 {
 884         GKeyFile *keyfile;
 885         gchar *pathname, *data = NULL;
 886         gsize length;
 887         const char *name;
 888
 889         DBG("network %p", network);
 890
 891         name = connman_device_get_name(network->device);
 892         if (name == NULL)
 893                 return -EINVAL;
 894
 895         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
 896         if (pathname == NULL)
 897                 return -ENOMEM;
 898
 899         keyfile = g_key_file_new();
 900
 901         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
 902                 goto update;
 903
 904         if (length > 0) {
 905                 if (g_key_file_load_from_data(keyfile, data, length,
 906                                                         0, NULL) == FALSE)
 907                         goto done;
 908         }
 909
 910         g_free(data);
 911
 912 update:
 913         g_key_file_set_boolean(keyfile, network->identifier,
 914                                         "Remember", network->remember);
 915
 916         if (network->wifi.security != NULL)
 917                 g_key_file_set_string(keyfile, network->identifier,
 918                                 "WiFi.Security", network->wifi.security);
 919
 920         if (network->wifi.passphrase != NULL)
 921                 g_key_file_set_string(keyfile, network->identifier,
 922                                 "WiFi.Passphrase", network->wifi.passphrase);
 923
 924         data = g_key_file_to_data(keyfile, &length, NULL);
 925
 926         g_file_set_contents(pathname, data, length, NULL);
 927
 928 done:
 929         g_free(data);
 930
 931         g_key_file_free(keyfile);
 932
 933         g_free(pathname);
 934
 935         return 0;
 936 }
 937
 938 static struct connman_storage network_storage = {
 939         .name           = "network",
 940         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
 941         .network_load   = network_load,
 942         .network_save   = network_save,
 943 };
 944
 945 int __connman_network_init(void)
 946 {
 947         DBG("");
 948
 949         connection = connman_dbus_get_connection();
 950
 951         if (connman_storage_register(&network_storage) < 0)
 952                 connman_error("Failed to register network storage");
 953
 954         return connman_driver_register(&network_driver);
 955 }
 956
 957 void __connman_network_cleanup(void)
 958 {
 959         DBG("");
 960
 961         connman_driver_unregister(&network_driver);
 962
 963         connman_storage_unregister(&network_storage);
 964
 965         dbus_connection_unref(connection);
 966 }